CN108061160A - A sealing structure of a water temperature sensor - Google Patents
A sealing structure of a water temperature sensor Download PDFInfo
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- CN108061160A CN108061160A CN201810073398.XA CN201810073398A CN108061160A CN 108061160 A CN108061160 A CN 108061160A CN 201810073398 A CN201810073398 A CN 201810073398A CN 108061160 A CN108061160 A CN 108061160A
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- temperature sensor
- water temperature
- gasket
- plastic part
- metal
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 64
- 239000002184 metal Substances 0.000 claims abstract description 64
- 239000004033 plastic Substances 0.000 claims abstract description 42
- 229920001971 elastomer Polymers 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
本发明公开了一种水温传感器的密封结构，包括塑料件、金属嵌件以及水温传感器，所述金属嵌件嵌设于塑料件上，所述水温传感器与金属嵌件之间通过螺纹组装在一起，所述水温传感器与塑料件之间组装有密封件，所述密封件包括金属垫片以及组装于金属垫片上的橡胶密封垫，所述橡胶密封垫分别与塑料件、水温传感器密封接触。水温传感器与塑料件之间组装有密封件，且密封件包括金属垫片与橡胶密封垫，金属垫片用于支撑水温传感器，在塑料件与水温传感器之间形成间隙，能够防止橡胶密封垫被压坏，橡胶密封垫与水温传感器、塑料件密封接触，不但简化了密封结构，而且保证了密封效果。
The invention discloses a sealing structure of a water temperature sensor, which comprises a plastic part, a metal insert and a water temperature sensor, the metal insert is embedded on the plastic part, and the water temperature sensor and the metal insert are assembled together through threads A seal is assembled between the water temperature sensor and the plastic part, the seal includes a metal gasket and a rubber gasket assembled on the metal gasket, and the rubber gasket is in sealing contact with the plastic part and the water temperature sensor respectively. A seal is assembled between the water temperature sensor and the plastic part, and the seal includes a metal gasket and a rubber gasket. The metal gasket is used to support the water temperature sensor and forms a gap between the plastic part and the water temperature sensor, which can prevent the rubber gasket from being damaged. When it is crushed, the rubber gasket is in sealing contact with the water temperature sensor and plastic parts, which not only simplifies the sealing structure, but also ensures the sealing effect.
Description
技术领域technical field
本发明涉及一种密封结构，特别是一种水温传感器的密封结构。The invention relates to a sealing structure, in particular to a sealing structure of a water temperature sensor.
背景技术Background technique
车辆上有各种传感器，其中有水温传感器。水温传感器通过螺纹结构安装在动力系统上，一般情况下，水温传感器会安装在节温器座上，或者出水接头上，也会安装在其他位置，与冷却液直接接触，用于测试冷却液的温度。There are various sensors on the vehicle, among them the water temperature sensor. The water temperature sensor is installed on the power system through a threaded structure. Generally, the water temperature sensor will be installed on the thermostat seat, or on the water outlet joint, and it will also be installed in other positions, directly in contact with the coolant, and used to test the temperature of the coolant. temperature.
原来的节温器座和出水接头，采用铸铁、铸铝等金属材质制成，随着车辆轻量化的要求，塑料材料用来制造节温器座和出水接头，塑料制成的节温器座和出水接头等塑料件，具有质量轻、成型容易、成本低等优点。为了有效安装水温传感器，需要提供与水温传感器相配合的螺纹结构，由于塑料材料的强度低，直接在塑料件上加工螺纹，加工出来的螺纹强度低，不能固定水温传感器。因此在塑料制成的节温器座或者出水接头上埋入一个金属嵌件，金属嵌件上设有螺纹结构，用来固定水温传感器。水温传感器与金属嵌件通过螺纹装配后，冷却液会从金属嵌件与节温器座或出水接头的结合面以及水温传感器与金属嵌件之间渗漏出来，因此需要对水温传感器进行密封。The original thermostat seat and water outlet joint are made of metal materials such as cast iron and cast aluminum. With the requirements of lightweight vehicles, plastic materials are used to manufacture thermostat seats and water outlet joints. Thermostat seats made of plastic Plastic parts such as water outlet joints have the advantages of light weight, easy molding, and low cost. In order to effectively install the water temperature sensor, it is necessary to provide a thread structure that matches the water temperature sensor. Due to the low strength of the plastic material, if the thread is directly processed on the plastic part, the processed thread has low strength and cannot fix the water temperature sensor. Therefore, a metal insert is embedded on the plastic thermostat seat or the water outlet joint, and the metal insert is provided with a threaded structure for fixing the water temperature sensor. After the water temperature sensor and the metal insert are assembled through threads, the coolant will leak from the joint surface of the metal insert and the thermostat seat or the water outlet joint and between the water temperature sensor and the metal insert, so the water temperature sensor needs to be sealed.
目前的发动机水温传感器的密封结构如下：如图1所示，塑料件3内嵌设有金属嵌件2，然后金属嵌件2与水温传感器1螺纹装配，因此在塑料件3与金属嵌件2之间以及金属嵌件2与水温传感器1之间均设置O型圈4、5，可以有效的防止冷却液从金属嵌件与塑料件之间以及金属嵌件与水温传感器之间泄露。然而这种密封结构存在一定的缺陷：即整个密封结构复杂，导致组装工艺复杂，生产成本高，而且O型圈容易损坏，密封效果差。The sealing structure of the current engine water temperature sensor is as follows: as shown in Figure 1, the plastic part 3 is embedded with a metal insert 2, and then the metal insert 2 is threaded with the water temperature sensor 1, so the plastic part 3 and the metal insert 2 O-rings 4 and 5 are arranged between the metal insert 2 and the water temperature sensor 1, which can effectively prevent the coolant from leaking from between the metal insert and the plastic part and between the metal insert and the water temperature sensor. However, this sealing structure has certain defects: that is, the entire sealing structure is complicated, resulting in complicated assembly process and high production cost, and the O-ring is easy to be damaged and the sealing effect is poor.
发明内容Contents of the invention
为了解决上述现有技术的不足，本发明的目的是提供一种结构简单、密封效果好的水温传感器的密封结构。In order to solve the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a water temperature sensor sealing structure with simple structure and good sealing effect.
为了实现上述目的，本发明所设计的一种水温传感器的密封结构，包括塑料件、金属嵌件以及水温传感器，所述金属嵌件嵌设于塑料件上，所述水温传感器与金属嵌件之间通过螺纹组装在一起，所述水温传感器与塑料件之间组装有密封件，所述密封件包括金属垫片以及组装于金属垫片上的橡胶密封垫，所述橡胶密封垫分别与塑料件、水温传感器密封接触。In order to achieve the above object, a sealing structure of a water temperature sensor designed by the present invention includes a plastic part, a metal insert and a water temperature sensor, the metal insert is embedded on the plastic part, and the water temperature sensor and the metal insert The water temperature sensor and the plastic part are assembled together through threads, and a seal is assembled between the water temperature sensor and the plastic part. The seal includes a metal gasket and a rubber gasket assembled on the metal gasket. The rubber gasket is respectively connected to the plastic part. , Water temperature sensor sealed contact.
进一步，所述橡胶密封垫位于金属垫片的外周和/或内周上。Further, the rubber gasket is located on the outer and/or inner circumference of the metal gasket.
进一步，所述橡胶密封垫与金属垫片一体设置。Further, the rubber gasket is integrated with the metal gasket.
进一步，所述橡胶密封垫与金属垫片一体硫化成型或一体粘接成型或一体装配成型。Further, the rubber gasket and the metal gasket are integrally vulcanized or integrally bonded or integrally assembled.
进一步，所述塑料件为节温器座或出水接头。Further, the plastic part is a thermostat seat or a water outlet joint.
进一步，所述金属嵌件与塑料件注塑成一体或压装成一体。Further, the metal insert is integrally injection molded or press-fitted with the plastic part.
与现有技术相比，本发明的有益效果是：水温传感器与塑料件之间组装有密封件，且密封件包括金属垫片与橡胶密封垫，金属垫片用于支撑水温传感器，在塑料件与水温传感器之间形成间隙，能够防止橡胶密封垫被压坏，橡胶密封垫与水温传感器、塑料件密封接触，不但简化了密封结构，而且保证了密封效果。Compared with the prior art, the beneficial effect of the present invention is that a seal is assembled between the water temperature sensor and the plastic part, and the seal includes a metal gasket and a rubber gasket, and the metal gasket is used to support the water temperature sensor. A gap is formed between the water temperature sensor and the rubber gasket can be prevented from being crushed. The rubber gasket is in sealing contact with the water temperature sensor and the plastic parts, which not only simplifies the sealing structure, but also ensures the sealing effect.
附图说明Description of drawings
图1是现有技术中的水温传感器的密封结构示意图。Fig. 1 is a schematic diagram of a sealing structure of a water temperature sensor in the prior art.
图2是本发明的密封结构示意图。Fig. 2 is a schematic diagram of the sealing structure of the present invention.
图3是本发明中密封件的一种结构示意图。Fig. 3 is a schematic structural view of the seal in the present invention.
图4是本发明中密封件的另一种结构示意图。Fig. 4 is another structural schematic diagram of the sealing member in the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
如图2所示，一种水温传感器的密封结构，包括塑料件8、金属嵌件7以及水温传感器6，所述金属嵌件7嵌设于塑料件8上，所述金属嵌件7与塑料件8之间可以注塑成一体，也可以采用压装成一体，所述水温传感器6与金属嵌件7之间通过螺纹组装在一起，所述水温传感器6与塑料件8之间组装有密封件，所述密封件包括金属垫片9以及组装于金属垫片9上的橡胶密封垫10，所述橡胶密封垫10分别与塑料件8、水温传感器6密封接触。As shown in Figure 2, a sealing structure of a water temperature sensor includes a plastic part 8, a metal insert 7 and a water temperature sensor 6, the metal insert 7 is embedded on the plastic part 8, and the metal insert 7 and the plastic The parts 8 can be integrated by injection molding or press-fitted. The water temperature sensor 6 and the metal insert 7 are threaded together, and a seal is assembled between the water temperature sensor 6 and the plastic part 8. , the seal includes a metal gasket 9 and a rubber gasket 10 assembled on the metal gasket 9, and the rubber gasket 10 is in sealing contact with the plastic part 8 and the water temperature sensor 6 respectively.
所述橡胶密封垫10与金属垫片9 的组装方式有很多种，比如橡胶密封垫10位于金属垫片9的外周上，或者橡胶密封垫10位于金属垫片9的内周上，或者橡胶密封垫10部分位于金属垫片9的外周上、部分位于内周上，或者橡胶密封垫10穿设于金属垫片9上，本实施例中，橡胶密封垫10位于金属垫片9的外周上，如图3所示，橡胶密封垫10组装在金属垫片9的一端，且橡胶密封垫10在外侧，金属垫片9在内侧，如图4所示，橡胶密封垫10组装在金属垫片9的两侧，当然，橡胶密封垫10与金属垫片9的设置方式不限于上述任一一种形式，在此不再一一列举。There are many ways to assemble the rubber gasket 10 and the metal gasket 9. For example, the rubber gasket 10 is positioned on the outer periphery of the metal gasket 9, or the rubber gasket 10 is positioned on the inner periphery of the metal gasket 9, or the rubber gasket 10 is positioned on the inner periphery of the metal gasket 9, or the rubber gasket 10 The gasket 10 is partially located on the outer circumference of the metal gasket 9, and partially located on the inner circumference, or the rubber gasket 10 is pierced on the metal gasket 9. In this embodiment, the rubber gasket 10 is located on the outer circumference of the metal gasket 9, As shown in Figure 3, the rubber gasket 10 is assembled on one end of the metal gasket 9, and the rubber gasket 10 is on the outside, and the metal gasket 9 is on the inside, as shown in Figure 4, the rubber gasket 10 is assembled on the metal gasket 9 Of course, the arrangement of the rubber gasket 10 and the metal gasket 9 is not limited to any one of the above forms, and will not be listed here.
本实施例中，所述橡胶密封垫10与金属垫片9一体设置，具体的可以是一体硫化成型或一体粘接成型或一体装配成型。In this embodiment, the rubber gasket 10 and the metal gasket 9 are integrally provided, specifically, they may be integrally vulcanized or integrally bonded or integrally assembled.
其中，所述塑料件8可以是节温器座，也可以是出水接头，甚至是其他位置的动力系统部件。Wherein, the plastic part 8 may be a thermostat seat, a water outlet joint, or even a power system component in other positions.
其中，金属垫片9可以采用铝、铜、铁、钢等金属，也可以采用合金，橡胶密封垫10可以是三元乙丙橡胶、氟橡胶、硅橡胶、丁腈橡胶等橡胶，也可以热塑性弹性体。Among them, the metal gasket 9 can be made of metals such as aluminum, copper, iron, steel, or alloys, and the rubber gasket 10 can be rubber such as EPDM rubber, fluorine rubber, silicone rubber, and nitrile rubber, or thermoplastic rubber. elastomer.
水温传感器6通过螺纹结构固定在金属嵌件7上，金属垫片9支撑水温传感器6，在水温传感器6与塑料件8之间形成间隙。金属嵌件7和塑料件8之间存在缝隙，冷却液会从缝隙渗漏；同时，金属嵌件7和水温传感器8之间也存在缝隙，冷却液也会从缝隙渗漏。橡胶密封垫10在金属垫片9形成的间隙中，其一可以防止被压坏，其二可以有固定的压缩；橡胶密封垫10同时和塑料件、水温传感器接触，在接触表面形成密封，能够阻断从上述两处缝隙中渗漏的冷却液。The water temperature sensor 6 is fixed on the metal insert 7 through a threaded structure, and the metal gasket 9 supports the water temperature sensor 6 , forming a gap between the water temperature sensor 6 and the plastic part 8 . There is a gap between the metal insert 7 and the plastic part 8, and the coolant will leak from the gap; meanwhile, there is also a gap between the metal insert 7 and the water temperature sensor 8, and the coolant will also leak from the gap. In the gap formed by the metal gasket 9, the rubber gasket 10 can prevent it from being crushed, and the second can have a fixed compression; the rubber gasket 10 is in contact with the plastic parts and the water temperature sensor at the same time, and forms a seal on the contact surface, which can Block the coolant leaking from the above two gaps.
本实施例中，金属嵌件与塑料件一体注塑成型，省略了加热金属嵌件进行后压装的步骤，并且无需在塑料件上设置O型圈，大大简化了组装工艺，降低了生产成本，并有效的解决了冷却液的泄露问题。In this embodiment, the metal insert and the plastic part are integrally injection-molded, the step of heating the metal insert for post-press fitting is omitted, and there is no need to set an O-ring on the plastic part, which greatly simplifies the assembly process and reduces the production cost. And effectively solved the leakage problem of coolant.
Claims (6)
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| US20210088388A1 (en) * | 2019-09-23 | 2021-03-25 | Anova Applied Electronics, Inc. | Wet bulb temperature sensor system and method for direct measurement of wet bulb temperature in an oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210088388A1 (en) * | 2019-09-23 | 2021-03-25 | Anova Applied Electronics, Inc. | Wet bulb temperature sensor system and method for direct measurement of wet bulb temperature in an oven |
| US11940332B2 (en) * | 2019-09-23 | 2024-03-26 | Anova Applied Electronics, Inc. | Wet bulb temperature sensor system and method for direct measurement of wet bulb temperature in an oven |
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Application publication date: 20180522 |