Automobile temperature sensor shell and automobile temperature sensor

Abstract

The utility model relates to the technical field of automobile accessories, and discloses an automobile temperature sensor shell and an automobile temperature sensor.The automobile temperature sensor shell comprises a shell assembly, the shell assembly comprises a shell section, the inner side of the upper portion of the shell section is provided with an internal thread, the outer side face of the shell section is fixedly connected with an installation portion, and the installation portion is provided with a through hole. An upper sealing ring is arranged on the upper portion of the mounting portion, and a lower blocking piece is fixedly connected to the outer side face of the shell section and located below the mounting portion. According to the utility model, through the arrangement of the upper sealing ring, the middle sealing ring and the bottom sealing ring, a multi-layer sealing effect can be provided, and the air bag is arranged in the middle sealing ring and can expand when heated, so that the sealing performance in a detection state is improved; the upper blocking piece and the lower blocking piece can block the upper side and the lower side of the mounting part, so that the wrench tool is convenient to use and not prone to slipping, and the mounting difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, in particular to an automotive temperature sensor housing and an automotive temperature sensor. Background Art

[0002] Automotive temperature sensors are key devices used to monitor and control various temperatures in automobiles. Automotive temperature sensors are indispensable components in modern automobiles. They ensure the safety and efficiency of vehicle operation by measuring and monitoring various temperatures inside and outside the vehicle. These sensors provide crucial information to the vehicle's electronic control unit (ECU), thereby precisely regulating the vehicle's performance. From engine temperature management to maintaining passenger comfort, temperature sensors play an important role in multiple aspects.

[0003] In the existing technology, a temperature sensor usually includes a thermistor, a conducting wire, and a socket, and it is usually fixed to the temperature sensor housing by a threaded connection. However, a single sealing ring is usually used to seal between the automotive temperature sensor housing and the temperature sensor, which is likely to cause the sealing performance to fail due to vibration, resulting in the failure of the automotive temperature sensor inside the housing and seriously affecting the service life of the temperature sensor. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to provide an automotive temperature sensor housing and an automotive temperature sensor. By providing an upper sealing ring, a middle sealing ring, and a bottom sealing ring, a multi-level sealing effect can be achieved. Moreover, the middle sealing ring is internally provided with an airbag that can expand when heated, improving the sealing performance in the detection state. The provided upper retaining piece and lower retaining piece can provide blocking on the upper and lower sides of the installation part, facilitating the use of wrench tools, not easily slipping off, reducing the installation difficulty, and the upper retaining piece can block the connection between the housing assembly and the temperature detection assembly, greatly improving the overall protection performance and durability.

[0005] To achieve the above object, the present utility model provides the following technical solutions: An automotive temperature sensor housing, comprising a housing assembly. The housing assembly includes a housing section, an internal thread is provided on the inner side of the upper part of the housing section, an installation part is fixedly connected to the outer side surface of the housing section, an upper sealing ring is provided on the upper part of the installation part, a lower baffle is fixedly connected to the outer side surface of the housing section and below the installation part, an installation thread section is provided at the lower part of the housing section, a probe section is fixedly connected to the lower part of the housing section, a middle sealing ring and a bottom sealing ring are provided on the inner wall of the housing section, and an annular airbag is provided inside the middle sealing ring. By providing the upper sealing ring, the middle sealing ring, and the bottom sealing ring, a multi-level sealing effect can be provided, and there is an airbag inside the middle sealing ring, which can expand when heated to improve the sealing performance in the detection state.

[0006] Further, the middle sealing ring is located below the internal thread.

[0007] Further, the bottom sealing ring is located below the middle sealing ring.

[0008] Further, the shape of the lower baffle is circular and extends out of the installation part.

[0009] Further, the cross-sectional shape of the installation part is a regular hexagon, and the lower surface is fixedly connected to the lower baffle.

[0010] Further, an accommodating cavity that communicates with each other is provided inside the housing section and the probe section.

[0011] An automotive temperature sensor, comprising the above-mentioned automotive temperature sensor housing and a temperature detection component. The temperature detection component includes a socket, an upper baffle is provided at the lower part of the socket, a connection head is fixedly connected to the lower part of the socket, and a detection end is fixedly connected to the lower part of the connection head. The provided upper baffle and lower baffle can provide blocking on the upper and lower sides of the installation part, thus facilitating the use of wrench tools, not easily slipping off, reducing the installation difficulty, and the upper baffle can provide blocking at the connection between the housing assembly and the temperature detection component, greatly improving the overall protection performance and durability.

[0012] Further, a gap is reserved between the upper baffle and the connection head, an external thread that mates with the internal thread is provided on the upper part of the connection head, a groove that fits with the bottom sealing ring is provided on the lower part of the connection head, and the detection end includes a conductive wire and a thermistor.

[0013] The present utility model has the following beneficial effects:

[0014] A housing for an automotive temperature sensor and an automotive temperature sensor proposed by the present utility model can provide multi-level sealing effects through the provided upper sealing ring, middle sealing ring, and bottom sealing ring. Moreover, there is an airbag inside the middle sealing ring, which can expand when heated to improve the sealing performance in the detection state. The provided upper retaining piece and lower retaining piece can provide blocking on the upper and lower sides of the installation part, thus facilitating the use of wrench tools, not easily slipping off, reducing the installation difficulty, and the upper retaining piece can provide blocking at the connection between the housing assembly and the temperature detection assembly, greatly improving the overall protection performance and durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural view of the housing assembly of the present utility model;

[0016] Figure 2 is a cross-sectional view of the housing assembly of the present utility model;

[0017] Figure 3 is a schematic structural view of the housing assembly and the temperature detection assembly of the present utility model;

[0018] Figure 4 is a cross-sectional view of the housing assembly and the temperature detection assembly of the present utility model;

[0019] Figure 5 is a schematic structural view of the housing assembly and the temperature detection assembly of the present utility model from another perspective.

[0020] LEGEND DESCRIPTION:

[0021] 1. Housing assembly; 2. Temperature detection assembly; 101. Internal thread; 102. Upper sealing ring; 103. Installation part; 104. Lower retaining piece; 105. Installation thread section; 106. Probe section; 107. Housing section; 108. Airbag; 109. Middle sealing ring; 110. Bottom sealing ring; 201. Plug-in socket; 202. Upper retaining piece; 203. Connection head; 204. Detection end. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Refer to Figures 1-5, an embodiment provided by the present utility model: an automotive temperature sensor housing, including a housing assembly 1. The housing assembly 1 includes a housing section 107. An accommodating cavity that communicates with each other is provided inside the housing section 107 and the probe section 106. An internal thread 101 is provided on the inner side of the upper part of the housing section 107. An installation part 103 is fixedly connected to the outer side surface of the housing section 107. The cross-sectional shape of the installation part 103 is a regular hexagon, and the lower surface is fixedly connected to the lower baffle 104. An upper sealing ring 102 is provided on the upper part of the installation part 103. A lower baffle 104 is fixedly connected to the outer side surface of the housing section 107 and below the installation part 103. The shape of the lower baffle 104 is circular and extends out of the installation part 103. An installation thread section 105 is provided at the lower part of the housing section 107. A probe section 106 is fixedly connected to the lower part of the housing section 107. A middle sealing ring 109 and a bottom sealing ring 110 are provided on the inner wall of the housing section 107. The bottom sealing ring 110 is below the middle sealing ring 109. The middle sealing ring 109 is below the internal thread 101. A ring-shaped airbag 108 is provided inside the middle sealing ring 109.

[0024] By providing the upper sealing ring 102, the middle sealing ring 109, and the bottom sealing ring 110, a multi-level sealing effect can be provided, and the middle sealing ring 109 has an airbag 108 inside, which can expand when heated, improving the sealing performance in the detection state.

[0025] Based on the above automotive temperature sensor housing, the present utility model also proposes an automotive temperature sensor, including the above automotive temperature sensor housing and a temperature detection component 2. The temperature detection component 2 includes a socket 201. An upper baffle 202 is provided at the lower part of the socket 201. A connector 203 is fixedly connected to the lower part of the socket 201. A detection end 204 is fixedly connected to the lower part of the connector 203. A gap is reserved between the upper baffle 202 and the connector 203. An external thread that cooperates with the internal thread 101 is provided on the upper part of the connector 203. A groove that is adapted to the bottom sealing ring 110 is provided at the lower part of the connector 203. The detection end 204 includes a conductive wire and a thermistor.

[0026] By providing the upper baffle 202 and the lower baffle 104, blocking can be provided on the upper and lower sides of the installation part 103, thus facilitating the use of wrench tools, not easily slipping off, reducing the installation difficulty, and the upper baffle 202 can provide blocking at the connection between the housing assembly 1 and the temperature detection component 2, greatly improving the overall protection performance and durability.

[0027] When the housing assembly 1 and the temperature detection assembly 2 are assembled, the temperature detection assembly 2 is placed into the interior of the housing assembly 1 from top to bottom. By using the mutual cooperation of the external thread on the upper part of the connector 203 and the internal thread 101, the two can be tightened together. During the assembly process, the upper retaining piece 202 can provide good protection for the connection between the housing assembly 1 and the temperature detection assembly 2, and the upper sealing ring 102 provides preliminary protection. Secondly, the middle sealing ring 109 and the bottom sealing ring 110 can provide the second and third layers of sealing, ensuring the normal use of the thermistor at the detection end 204 to the greatest extent. And in the detection state, the airbag 108 expands when heated, which can improve the sealing performance of the middle sealing ring 109 and ensure the stability and normality of the detection state.

[0028] Working principle: When the housing assembly 1 and the temperature detection assembly 2 are assembled, the temperature detection assembly 2 is placed into the interior of the housing assembly 1 from top to bottom. By using the mutual cooperation of the external thread on the upper part of the connector 203 and the internal thread 101, the two can be tightened together. During the assembly process, the upper retaining piece 202 can provide good protection for the connection between the housing assembly 1 and the temperature detection assembly 2, and the upper sealing ring 102 provides preliminary protection. Secondly, the middle sealing ring 109 and the bottom sealing ring 110 can provide the second and third layers of sealing, ensuring the normal use of the thermistor at the detection end 204 to the greatest extent. And in the detection state, the airbag 108 expands when heated, which can improve the sealing performance of the middle sealing ring 109 and ensure the stability and normality of the detection state. Among them, the upper retaining piece 202 and the lower retaining piece 104 can block the wrench during installation, prevent the wrench from slipping, and reduce the installation difficulty.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automotive temperature sensor housing, characterized in that: The invention comprises a shell component (1), wherein the shell component (1) comprises a shell segment (107), an inner side of an upper portion of the shell segment (107) is provided with an internal thread (101), an outer side surface of the shell segment (107) is fixedly connected with a mounting portion (103), an upper sealing ring (102) is provided at the upper portion of the mounting portion (103), a lower baffle (104) is fixedly connected to the outer side surface of the shell segment (107) and located below the mounting portion (103), a mounting thread segment (105) is provided at the lower portion of the shell segment (107), a probe segment (106) is fixedly connected to the lower portion of the shell segment (107), a middle sealing ring (109) and a bottom sealing ring (110) are provided on the inner wall of the shell segment (107), and an annular airbag (108) is provided inside the middle sealing ring (109).

2. The automotive temperature sensor housing according to claim 1, characterized in that: The middle sealing ring (109) is located below the internal thread (101).

3. The automotive temperature sensor housing according to claim 1, characterized in that: The bottom sealing ring (110) is located below the middle sealing ring (109).

4. The automotive temperature sensor housing according to claim 1, characterized in that: The lower blocking piece (104) is circular in shape and extends out of the mounting portion (103).

5. The automotive temperature sensor housing according to claim 1, characterized in that: The cross-sectional shape of the mounting portion (103) is a regular hexagon, and the lower surface is fixedly connected to the lower baffle (104).

6. The automotive temperature sensor housing according to claim 1, characterized in that: The shell section (107) and the probe section (106) are provided with mutually communicating accommodation cavities inside.

7. An automobile temperature sensor, characterized in that: It comprises an automobile temperature sensor housing and a temperature detection component (2) as described in any one of claims 1 to 6, wherein the temperature detection component (2) comprises a socket (201), an upper baffle (202) is provided at the lower part of the socket (201), a connector (203) is fixedly connected to the lower part of the socket (201), and a detection terminal (204) is fixedly connected to the lower part of the connector (203).

8. The automobile temperature sensor according to claim 7, characterized in that: A gap is reserved between the upper baffle (202) and the connector (203); an external thread matching the internal thread (101) is provided at the upper portion of the connector (203); a groove matching the bottom sealing ring (110) is provided at the lower portion of the connector (203); and the detection terminal (204) includes a conductive wire and a thermistor.

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