Connector end cover, end cover assembly and connector

By designing a pressing part on the connector end cap, reliable thermal contact between the temperature sensor and the terminal is achieved by squeezing the inner wall of the housing. This solves the problems of complex and costly fixing devices in the prior art, and achieves the effect of simplifying the structure and reducing costs.

CN223744076UActive Publication Date: 2025-12-30TYCO ELECTRONICS (SHANGHAI) CO LTD +1
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Patent Information

Application Number
CN202520087364.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-12-30
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

In the existing technology, the temperature sensor fixing device of the connector has a complex structure, is difficult to install and has a high cost, which leads to unreliable thermal contact between the temperature sensor and the terminal and can easily cause safety accidents.

Method used

The connector end cap uses a pressing part, including a cantilever or pressure plate structure, to apply a predetermined pressing force to the temperature sensor by squeezing the inner wall of the housing, so that it makes reliable thermal contact with the terminal, simplifying the design of the fixing device.

Benefits of technology

The connector structure has been simplified, manufacturing costs have been reduced, and the reliability of thermal contact between the temperature sensor and the terminal has been improved, reducing safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connector end cover, an end cover assembly and a connector. The connector end cover comprises a peripheral wall which is suitable for being sleeved on the rear end of a shell of the connector; the end wall is suitable for abutting against the rear end face of the shell of the connector. And the pressing part is connected with the end wall and is used for being inserted into a shell of the connector, and the pressing part is suitable for applying a preset pressing force on a temperature sensor of the connector under the extrusion of the inner wall surface of the shell of the connector, so that the temperature sensor is in reliable thermal contact with a terminal of the connector. According to the utility model, a fixing device for fixing the temperature sensor on the terminal does not need to be independently provided, the structure of the connector is simplified, and the manufacturing cost is reduced. Besides, in some exemplary embodiments of the utility model, the temperature sensor can be installed along with the connector end cover, thereby simplifying the installation process of the connector and reducing the installation cost.
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Description

Technical Field

[0001] This utility model relates to a connector end cap, including an end cap assembly of the connector end cap and a connector including the connector end cap. Background Technology

[0002] In existing technologies, when connector terminals carry high currents, their temperature rises rapidly, potentially leading to safety hazards such as fires or damage to electrical equipment. To prevent this, temperature sensors are typically installed within the connector to detect the terminal temperature. To ensure timely and reliable temperature detection, a mounting device is needed to secure the temperature sensor to the terminal, guaranteeing reliable thermal contact. However, current mounting devices for temperature sensors are complex, difficult to install, and costly. Utility Model Content

[0003] The purpose of this utility model is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, a connector end cap is provided. The connector end cap includes: a peripheral wall adapted to be fitted onto the rear end of a connector housing; an end wall adapted to abut against the rear end face of the connector housing; and a pressing portion connected to the end wall for insertion into the connector housing, the pressing portion being adapted to apply a predetermined pressing force to a temperature sensor of the connector under pressure from the inner wall surface of the connector housing, so as to ensure reliable thermal contact between the temperature sensor and the terminals of the connector.

[0005] According to an exemplary embodiment of the present invention, the pressing part includes a cantilever, which is adapted to elastically deform under the pressure of the inner wall surface of the housing and abut against the top surface of the temperature sensor to apply a predetermined pressing force to the temperature sensor.

[0006] According to another exemplary embodiment of the present invention, the cantilever has a root portion connected to the end wall and an intermediate portion located between its root and end portion. When the cantilever is inserted into the housing, the inner wall surface of the housing abuts against the root and end portion of the cantilever, and the intermediate portion of the cantilever abuts against the top surface of the temperature sensor.

[0007] According to another exemplary embodiment of the present invention, an engagement protrusion is formed at the end of the cantilever, the engagement protrusion being adapted to engage with a groove within the housing to lock the cantilever in the housing.

[0008] According to another exemplary embodiment of the present invention, a blocking protrusion is formed at the root of the cantilever, the blocking protrusion being adapted to abut against the rear end face of the temperature sensor to prevent the temperature sensor from being pulled out of the housing.

[0009] According to another exemplary embodiment of the present invention, the cantilever further has a fragile connection portion that connects its root to the end wall, the fragile connection portion being adapted to break under pressure from the inner wall surface of the housing, thereby separating the cantilever from the end wall after the cantilever is inserted into the housing.

[0010] According to another exemplary embodiment of the present invention, the pressing part includes a rib formed on the top surface of the pressing plate, the rib being used for interference cooperation with the inner wall surface of the housing, and the bottom surface of the pressing plate being adapted to abut and press against the top surface of the temperature sensor.

[0011] According to another exemplary embodiment of the present invention, the height of the rib protruding from the top surface of the pressure plate gradually increases from front to back, so that the amount of interference between the rib and the inner wall surface of the housing gradually increases from front to back.

[0012] According to another exemplary embodiment of the present invention, the pressing part includes a plurality of pressure plates arranged side by side, the plurality of pressure plates being adapted to simultaneously press on the top surface of the temperature sensor.

[0013] According to another exemplary embodiment of the present invention, a plurality of slots are formed on the peripheral wall, the plurality of slots being spaced apart in the circumferential direction of the peripheral wall for engaging with a plurality of protrusions on the outer peripheral surface of the rear end of the housing, so as to lock the connector end cap onto the rear end of the housing.

[0014] According to another exemplary embodiment of the present invention, the connector end cap further includes: a lead guide portion located on the outside of the end wall, having a guide groove for receiving and guiding the lead of a temperature sensor drawn out from the connector.

[0015] According to another exemplary embodiment of the present invention, the connector end cap further includes: a mounting portion connected to the end wall and defining a mounting chamber for mounting the temperature sensor, the top and bottom of the mounting chamber being open, and the pressing portion being located above the mounting chamber for pressing against the top surface of the temperature sensor.

[0016] According to another exemplary embodiment of the present invention, the mounting portion includes a pair of side plates for defining the mounting chamber, the pair of side plates being adapted to abut against two sides of the temperature sensor respectively; a limiting protrusion is formed at the front end of each pair of side plates, the limiting protrusion being adapted to abut against the front end surface of the temperature sensor.

[0017] According to another exemplary embodiment of the present invention, the mounting portion further includes an elastic arm connected to the end wall, the elastic arm being adapted to abut against the rear end face of the temperature sensor to prevent the temperature sensor from being pulled out of the mounting portion.

[0018] According to another aspect of the present invention, an end cap assembly is provided. The end cap assembly includes: the aforementioned connector end cap; and a temperature sensor pre-installed in the mounting portion of the connector end cap.

[0019] According to another aspect of the present invention, a connector is provided. The connector includes: a housing; terminals disposed within the housing; a temperature sensor mounted within the housing for detecting the temperature of the terminals; and a connector end cap mounted to the rear end of the housing. A pressing portion of the connector end cap applies a predetermined pressing force to the temperature sensor under pressure from the inner wall of the housing, thereby ensuring reliable thermal contact between the temperature sensor and the terminals.

[0020] According to an exemplary embodiment of the present invention, a plurality of terminal mounting holes are formed in the housing, the connector includes a plurality of terminals respectively mounted in the plurality of terminal mounting holes and a plurality of temperature sensors for respectively detecting the temperature of the plurality of terminals, and the connector end cap has a plurality of pressing portions for respectively pressing the plurality of temperature sensors.

[0021] According to another exemplary embodiment of the present invention, the terminal is flat and the temperature sensor has a flat bottom surface adapted to be attached to the top surface of the terminal.

[0022] According to another exemplary embodiment of the present invention, the rear end of the terminal extends from the connector end cap for electrical connection to an external conductor; a nut is fixed on the rear end of the terminal so that the rear end of the terminal can be fastened to the external conductor by a bolt threaded to the nut.

[0023] According to another exemplary embodiment of the present invention, a plurality of protrusions are formed on the outer peripheral surface of the rear end of the housing. The plurality of protrusions are spaced apart in the circumferential direction of the rear end of the housing and are used to engage with a plurality of slots on the connector end cover respectively, so as to lock the connector end cover to the rear end of the housing.

[0024] According to another aspect of the present invention, a connector is provided. The connector includes: a housing; terminals disposed within the housing; and the aforementioned end cap assembly mounted to the housing. The connector end cap is mounted to the rear end of the housing, and a temperature sensor is inserted into the housing for detecting the temperature of the terminals. A pressing portion of the connector end cap applies a predetermined pressing force to the temperature sensor under pressure from the inner wall of the housing, thereby ensuring reliable thermal contact between the temperature sensor and the terminals.

[0025] In the foregoing exemplary embodiments of the present invention, the pressing portion on the connector end cap can press the temperature sensor onto the connector terminal, ensuring reliable thermal contact between the temperature sensor and the terminal. Therefore, the present invention eliminates the need to provide a separate fixing device for fixing the temperature sensor to the terminal, simplifying the connector structure and reducing manufacturing costs.

[0026] Furthermore, in some of the aforementioned exemplary embodiments of this utility model, the temperature sensor can be installed together with the connector end cap, simplifying the connector installation process and reducing installation costs.

[0027] Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0028] Figure 1 This diagram shows a perspective view of a connector according to an exemplary first embodiment of the present invention;

[0029] Figure 2 Showing a longitudinal sectional view of a connector according to an exemplary first embodiment of the present invention;

[0030] Figure 3 This diagram shows an exploded view of a connector according to an exemplary first embodiment of the present invention;

[0031] Figure 4 This shows a cross-sectional view of a connector end cap according to an exemplary first embodiment of the present invention;

[0032] Figure 5 Showing a longitudinal sectional view of a connector end cap according to an exemplary first embodiment of the present invention;

[0033] Figure 6 This diagram shows a perspective view of a connector according to an exemplary second embodiment of the present invention;

[0034] Figure 7Showing a longitudinal sectional view of a connector according to an exemplary second embodiment of the present invention;

[0035] Figure 8 An exploded view of a connector according to an exemplary second embodiment of the present invention is shown;

[0036] Figure 9 This shows a cross-sectional view of the end cap assembly of a connector according to an exemplary second embodiment of the present invention;

[0037] Figure 10 This shows a longitudinal sectional view of the end cap assembly of a connector according to an exemplary second embodiment of the present invention. Detailed Implementation

[0038] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of this utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of this utility model and should not be construed as a limitation thereof.

[0039] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0040] According to a general technical concept of the present invention, a connector end cap is provided. The connector end cap includes: a peripheral wall adapted to be fitted onto the rear end of a connector housing; an end wall adapted to abut against the rear end face of the connector housing; and a pressing portion connected to the end wall for insertion into the connector housing, the pressing portion being adapted to apply a predetermined pressing force to a temperature sensor of the connector under pressure from the inner wall surface of the connector housing, so as to ensure reliable thermal contact between the temperature sensor and the terminals of the connector.

[0041] According to another general technical concept of this utility model, an end cap assembly is provided. The end cap assembly includes: the aforementioned connector end cap; and a temperature sensor, pre-installed in the mounting portion of the connector end cap.

[0042] According to another general technical concept of this utility model, a connector is provided. The connector includes: a housing; terminals disposed in the housing; a temperature sensor installed in the housing for detecting the temperature of the terminals; and the aforementioned connector end cap installed on the rear end of the housing. The pressing portion of the connector end cap applies a predetermined pressing force to the temperature sensor under the pressure of the inner wall surface of the housing, so as to ensure reliable thermal contact between the temperature sensor and the terminals.

[0043] According to another general technical concept of this utility model, a connector is provided. The connector includes: a housing; terminals disposed in the housing; and the aforementioned end cap assembly mounted to the housing. The connector end cap is mounted on the rear end of the housing, and a temperature sensor is inserted into the housing for detecting the temperature of the terminals. The pressing portion of the connector end cap applies a predetermined pressing force to the temperature sensor under the pressure of the inner wall surface of the housing, so as to ensure reliable thermal contact between the temperature sensor and the terminals. Example

[0044] Figures 1 to 5 This illustrates a first embodiment according to the present invention. Figure 1 This diagram shows a perspective view of a connector according to an exemplary first embodiment of the present invention; Figure 2 Showing a longitudinal sectional view of a connector according to an exemplary first embodiment of the present invention; Figure 3 This diagram shows an exploded view of a connector according to an exemplary first embodiment of the present invention; Figure 4 This shows a cross-sectional view of a connector end cap 1 according to an exemplary first embodiment of the present invention; Figure 5 This shows a longitudinal sectional view of a connector end cap 1 according to an exemplary first embodiment of the present invention.

[0045] like Figures 1 to 5 As shown, in an exemplary embodiment of this utility model, a connector end cap 1 is disclosed. The connector end cap 1 includes a peripheral wall 1a, an end wall 1b, and a pressing portion 10. The peripheral wall 1a is adapted to be fitted onto the rear end of the connector housing 2. The end wall 1b is adapted to abut against the rear end face of the connector housing 2. The pressing portion 10 is connected to the end wall 1b and is used for insertion into the connector housing 2. The pressing portion 10 is adapted to apply a predetermined pressing force to the temperature sensor 3 of the connector under the pressure of the inner wall surface of the connector housing 2, so as to ensure reliable thermal contact between the temperature sensor 3 and the connector terminal 4.

[0046] like Figures 1 to 5As shown, in the illustrated embodiment, the pressing part 10 includes a cantilever 11, which is adapted to undergo elastic deformation under the pressure of the inner wall surface of the housing 2 and abut against the top surface of the temperature sensor 3 to apply a predetermined pressing force to the temperature sensor 3.

[0047] like Figures 1 to 5 As shown in the illustrated embodiment, the cantilever 11 has a root 111 connected to the end wall 1b and an intermediate portion 113 located between its root 111 and end 112. When the cantilever 11 is inserted into the housing 2, the inner wall surface of the housing 2 abuts against the root 111 and end 112 of the cantilever 11, and the intermediate portion 113 of the cantilever 11 abuts against the top surface of the temperature sensor 3.

[0048] like Figures 1 to 5 As shown, in the illustrated embodiment, an engagement protrusion 11a is formed at the end 112 of the cantilever 11. The engagement protrusion 11a is adapted to engage with a groove 2a within the housing 2 to lock the cantilever 11 in the housing 2.

[0049] like Figures 1 to 5 As shown in the illustrated embodiment, a blocking protrusion 11b is formed at the root 111 of the cantilever 11. The blocking protrusion 11b is adapted to abut against the rear end face of the temperature sensor 3 to prevent the temperature sensor 3 from being pulled out of the housing 2.

[0050] like Figures 1 to 5 As shown, in the illustrated embodiment, the cantilever 11 also has a fragile connection 11c that connects its root 111 to the end wall 1b. The fragile connection 11c is adapted to break under pressure from the inner wall of the housing 2, so that the cantilever 11 separates from the end wall 1b after it is inserted into the housing 2.

[0051] like Figures 1 to 5 As shown in the illustrated embodiment, a plurality of slots 1c are formed on the peripheral wall 1a. The plurality of slots 1c are spaced apart in the circumferential direction of the peripheral wall 1a and are used to engage with a plurality of protrusions 2c on the outer peripheral surface of the rear end of the housing 2, so as to lock the connector end cap 1 to the rear end of the housing 2.

[0052] like Figures 1 to 5 As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes: a housing 2, terminals 4, a temperature sensor 3, and a connector end cap 1. Terminals 4 are disposed in the housing 2. The temperature sensor 3 is mounted in the housing 2 for detecting the temperature of terminals 4. The connector end cap 1 is mounted to the rear end of the housing 2. The pressing portion 10 of the connector end cap 1 applies a predetermined pressing force to the temperature sensor 3 under the pressure of the inner wall surface of the housing 2, so that the temperature sensor 3 and terminals 4 make reliable thermal contact.

[0053] like Figures 1 to 5As shown, in the illustrated embodiment, terminal 4 is flat, and temperature sensor 3 has a flat bottom surface suitable for abutting against the top surface of terminal 4.

[0054] like Figures 1 to 5 As shown, in the illustrated embodiment, the rear end of terminal 4 extends from connector end cap 1 for electrical connection to an external conductor (not shown), which may be a busbar or cable. A nut 41 is fixed to the rear end of terminal 4, allowing the rear end of terminal 4 to be fastened to the external conductor by a bolt (not shown) threaded to the nut 41.

[0055] like Figures 1 to 5 As shown in the illustrated embodiment, a plurality of protrusions 2c are formed on the outer peripheral surface of the rear end of the housing 2. The plurality of protrusions 2c are spaced apart in the circumferential direction of the rear end of the housing 2 and are used to engage with a plurality of slots 1c on the connector end cover respectively, so as to lock the connector end cover 1 onto the rear end of the housing 2. Example

[0056] Figures 6 to 10 This illustrates a second embodiment according to the present invention. Figure 6 This diagram shows a perspective view of a connector according to an exemplary second embodiment of the present invention; Figure 7 Showing a longitudinal sectional view of a connector according to an exemplary second embodiment of the present invention; Figure 8 An exploded view of a connector according to an exemplary second embodiment of the present invention is shown; Figure 9 This shows a cross-sectional view of the end cap assembly of a connector according to an exemplary second embodiment of the present invention; Figure 10 This shows a longitudinal sectional view of the end cap assembly of a connector according to an exemplary second embodiment of the present invention.

[0057] like Figures 6 to 10 As shown, in an exemplary embodiment of this utility model, a connector end cap 1 is disclosed. The connector end cap 1 includes a peripheral wall 1a, an end wall 1b, and a pressing portion 10. The peripheral wall 1a is adapted to be fitted onto the rear end of the connector housing 2. The end wall 1b is adapted to abut against the rear end face of the connector housing 2. The pressing portion 10 is connected to the end wall 1b and is used for insertion into the connector housing 2. The pressing portion 10 is adapted to apply a predetermined pressing force to the temperature sensor 3 of the connector under the pressure of the inner wall surface of the connector housing 2, so as to ensure reliable thermal contact between the temperature sensor 3 and the connector terminal 4.

[0058] like Figures 6 to 10As shown in the illustrated embodiment, the pressing part 10 includes a pressure plate 12 with a protruding rib 121 formed on the top surface of the pressure plate 12. The protruding rib 121 is used to interfere with the inner wall surface of the housing 2. The bottom surface of the pressure plate 12 is adapted to abut and press against the top surface of the temperature sensor 3.

[0059] like Figures 6 to 10 As shown in the illustrated embodiment, the height of the rib 121 protruding from the top surface of the pressure plate 12 gradually increases from front to back, so that the amount of interference between the rib 121 and the inner wall surface of the housing 2 gradually increases from front to back.

[0060] like Figures 6 to 10 As shown in the illustrated embodiment, the pressing part 10 includes a plurality of pressure plates 12 arranged side by side, which are adapted to press simultaneously on the top surface of the temperature sensor 3.

[0061] like Figures 6 to 10 As shown in the illustrated embodiment, a plurality of slots 1c are formed on the peripheral wall 1a. The plurality of slots 1c are spaced apart in the circumferential direction of the peripheral wall 1a and are used to engage with a plurality of protrusions 2c on the outer peripheral surface of the rear end of the housing 2, so as to lock the connector end cap 1 to the rear end of the housing 2.

[0062] like Figures 6 to 10 As shown, in the illustrated embodiment, the connector end cap 1 further includes a lead guide 14 located on the outside of the end wall 1b, having a guide groove 140 for receiving and guiding the lead 31 of the temperature sensor 3 drawn out from the connector.

[0063] like Figures 6 to 10 As shown in the illustrated embodiment, the connector end cap 1 further includes a mounting portion 130, which is connected to the end wall 1b and defines a mounting chamber 131 for mounting the temperature sensor 3. The top and bottom of the mounting chamber 131 are open, and a pressing portion 10 is located above the mounting chamber 131 for pressing against the top surface of the temperature sensor 3.

[0064] like Figures 6 to 10 As shown in the illustrated embodiment, the mounting portion 130 includes a pair of side plates 13 for defining a mounting chamber 131, the pair of side plates 13 being adapted to abut against two sides of the temperature sensor 3 respectively. Limiting protrusions 13a are formed at the front ends of the pair of side plates 13 respectively, the limiting protrusions 13a being adapted to abut against the front end surface of the temperature sensor 3.

[0065] like Figures 6 to 10 As shown in the illustrated embodiment, the mounting portion 130 further includes an elastic arm 13b connected to the end wall 1b. The elastic arm 13b is adapted to abut against the rear end face of the temperature sensor 3 to prevent the temperature sensor 3 from being pulled out of the mounting portion 130.

[0066] like Figures 6 to 10 As shown, in another exemplary embodiment of this utility model, an end cap assembly is also disclosed. This end cap assembly includes a connector end cap 1 and a temperature sensor 3. The temperature sensor 3 is pre-installed in the mounting portion 130 of the connector end cap 1. Therefore, the temperature sensor 3 can be installed together with the connector end cap 1 into the connector housing 2, simplifying the installation process.

[0067] like Figures 6 to 10 As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes: a housing 2, terminals 4, a temperature sensor 3, and a connector end cap 1. Terminals 4 are disposed in the housing 2. The temperature sensor 3 is mounted in the housing 2 for detecting the temperature of terminals 4. The connector end cap 1 is mounted to the rear end of the housing 2. The pressing portion 10 of the connector end cap 1 applies a predetermined pressing force to the temperature sensor 3 under the pressure of the inner wall surface of the housing 2, so that the temperature sensor 3 and terminals 4 make reliable thermal contact.

[0068] like Figures 6 to 10 As shown in the illustrated embodiment, a plurality of terminal mounting holes 21 are formed in the housing 2. The connector includes a plurality of terminals 4 respectively mounted in the plurality of terminal mounting holes 21 and a plurality of temperature sensors 3 for respectively detecting the temperature of the plurality of terminals 4. The connector end cap 1 has a plurality of pressing parts 10 for respectively pressing the plurality of temperature sensors 3.

[0069] like Figures 6 to 10 As shown, in the illustrated embodiment, terminal 4 is flat, and temperature sensor 3 has a flat bottom surface suitable for abutting against the top surface of terminal 4.

[0070] like Figures 6 to 10 As shown, in the illustrated embodiment, the rear end of terminal 4 extends from connector end cap 1 for electrical connection to an external conductor (not shown), which may be a busbar or cable. A nut 41 is fixed to the rear end of terminal 4, allowing the rear end of terminal 4 to be fastened to the external conductor by a bolt (not shown) threaded to the nut 41.

[0071] like Figures 6 to 10 As shown in the illustrated embodiment, a plurality of protrusions 2c are formed on the outer peripheral surface of the rear end of the housing 2. The plurality of protrusions 2c are spaced apart in the circumferential direction of the rear end of the housing 2 and are used to engage with a plurality of slots 1c on the connector end cover respectively, so as to lock the connector end cover 1 onto the rear end of the housing 2.

[0072] like Figures 6 to 10As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes a housing 2, terminals 4, and an end cap assembly. Terminals 4 are disposed within the housing 2. The end cap assembly is mounted to the housing 2. A connector end cap 1 is mounted to the rear end of the housing 2, and a temperature sensor 3 is inserted into the housing 2 to detect the temperature of the terminals 4. The pressing portion 10 of the connector end cap 1 applies a predetermined pressing force to the temperature sensor 3 under pressure from the inner wall of the housing 2, thereby ensuring reliable thermal contact between the temperature sensor 3 and the terminals 4.

[0073] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.

[0074] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0075] While some embodiments of the general concept of this utility model have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of this utility model, the scope of which is defined by the claims and their equivalents.

[0076] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of this invention.

Claims

1. A connector end cap characterized by, Comprising: a peripheral wall (1a) adapted to be fitted onto a rear end of a housing (2) of a connector; an end wall (1b) adapted to abut against a rear end face of the housing (2) of the connector; and a pressing portion (10) connected to the end wall (1b) for insertion into the housing (2) of the connector, the pressing portion (10) being adapted to exert a predetermined pressing force on a temperature sensor (3) of the connector under extrusion of an inner wall face of the housing (2) of the connector to make the temperature sensor (3) in reliable thermal contact with a terminal (4) of the connector.

2. The connector end cover according to claim 1, wherein: the pressing portion (10) comprises a cantilever (11) adapted to be elastically deformed under extrusion of the inner wall face of the housing (2) and abut against a top face of the temperature sensor (3) to exert the predetermined pressing force on the temperature sensor (3).

3. The connector end cover according to claim 2, wherein: the cantilever (11) has a root portion (111) connected to the end wall (1b) and an intermediate portion (113) between the root portion (111) and an end portion (112) thereof; when the cantilever (11) is inserted into the housing (2), the inner wall face of the housing (2) abuts against the root portion (111) and the end portion (112) of the cantilever (11), and the intermediate portion (113) of the cantilever (11) abuts against the top face of the temperature sensor (3).

4. The connector end cover according to claim 3, wherein: an engaging protrusion (11a) is formed at the end portion (112) of the cantilever (11) and adapted to engage with a groove (2a) in the housing (2) to lock the cantilever (11) in the housing (2).

5. The connector end cover according to claim 3, wherein: a blocking protrusion (11b) is formed at the root portion (111) of the cantilever (11) and adapted to abut against a rear end face of the temperature sensor (3) to prevent the temperature sensor (3) from being pulled out of the housing (2).

6. The connector end cover according to claim 3, wherein: the cantilever (11) further has a weak connection portion (11c) connecting the root portion (111) thereof to the end wall (1b), the weak connection portion (11c) being adapted to be broken under extrusion of the inner wall face of the housing (2) so that the cantilever (11) is separated from the end wall (1b) after being inserted into the housing (2).

7. The connector end cover according to claim 1, wherein: the pressing portion (10) comprises a pressing plate (12) having a protrusion (121) formed on a top face thereof for interference fit with the inner wall face of the housing (2), and a bottom face of the pressing plate (12) being adapted to abut and press against a top face of the temperature sensor (3).

8. The connector end cover according to claim 7, wherein: ​ The height of the protrusions (121) protruding from the top surface of the pressing plate (12) gradually increases from front to back, so that the interference between the protrusions (121) and the inner wall surface of the shell (2) gradually increases from front to back.

9. The connector end cover according to claim 8, characterized in that: The pressing part (10) includes a plurality of pressing plates (12) arranged side by side, which are adapted to press on the top surface of the temperature sensor (3) at the same time.

10. The connector end cover according to claim 1, characterized in that: A plurality of clamping grooves (1c) are formed on the peripheral wall (1a) and are spaced apart in the circumferential direction of the peripheral wall (1a), for respectively engaging with a plurality of protrusions (2c) on the outer peripheral surface of the rear end of the shell (2), so as to lock the connector end cover (1) to the rear end of the shell (2).

11. The connector end cap of claim 1, wherein, Further comprising: A lead wire guide (14) is located on the outer side of the end wall (1b) and has a guide groove (140) for accommodating and guiding the lead wire (31) of the temperature sensor (3) drawn out of the connector.

12. The connector end cap of any one of claims 1-11, wherein, Further comprising: A mounting part (130) is connected to the end wall (1b) and defines a mounting chamber (131) for mounting the temperature sensor (3), The top and bottom of the mounting chamber (131) are open, and the pressing part (10) is located above the mounting chamber (131) for pressing on the top surface of the temperature sensor (3).

13. The connector end cover according to claim 12, characterized in that: The mounting part (130) includes a pair of side plates (13) for defining the mounting chamber (131), which are adapted to abut on the two side surfaces of the temperature sensor (3) respectively; Limiting protrusions (13a) are formed at the front ends of the pair of side plates (13) respectively, which are adapted to abut on the front end surface of the temperature sensor (3).

14. The connector end cover according to claim 13, characterized in that: The mounting part (130) further includes a resilient arm (13b) connected to the end wall (1b), which is adapted to abut on the rear end surface of the temperature sensor (3) to prevent the temperature sensor (3) from being pulled out of the mounting part (130).

15. An end cap assembly characterized by, Comprising: The connector end cover (1) according to any one of claims 12-14; and The temperature sensor (3) is pre-mounted into the mounting part (130) of the connector end cover (1).

16. A connector characterized by comprising: Comprising: The shell (2); The terminal (4) is provided in the shell (2); The temperature sensor (3) is mounted in the shell (2) for detecting the temperature of the terminal (4); and The connector end cover (1) according to any one of claims 1-14 is mounted to the rear end of the shell (2), The pressing part (10) of the connector end cover (1) exerts a predetermined pressing force on the temperature sensor (3) under the extrusion of the inner wall surface of the shell (2), so that the temperature sensor (3) is in reliable thermal contact with the terminal (4).

17. The connector according to claim 16, wherein: a plurality of terminal mounting holes (21) are formed in the housing (2), the connector includes a plurality of terminals (4) mounted to the plurality of terminal mounting holes (21), respectively, and a plurality of temperature sensors (3) for detecting temperatures of the plurality of terminals (4), respectively, and the connector cover (1) has a plurality of pressing portions (10) for pressing the plurality of temperature sensors (3), respectively.

18. The connector according to claim 16, wherein: the terminal (4) is flat, and the temperature sensor (3) has a flat bottom surface adapted to be attached to a top surface of the terminal (4).

19. The connector according to claim 18, wherein: a rear end of the terminal (4) is extended from the connector cover (1) for electrically connecting to an external conductor; a nut (41) is fixed to the rear end of the terminal (4) so that the rear end of the terminal (4) can be fastened to the external conductor by a bolt screwed with the nut (41).

20. The connector according to claim 16, wherein: a plurality of protrusions (2c) are formed on an outer peripheral surface of a rear end of the housing (2), the plurality of protrusions (2c) are spaced apart in a circumferential direction of the rear end of the housing (2) for engaging with a plurality of clamping grooves (1c) on the connector cover (1) to lock the connector cover (1) to the rear end of the housing (2).

21. A connector characterized by comprising: comprising: a housing (2); a terminal (4) disposed in the housing (2); and the cover assembly of claim 15 mounted to the housing (2), the connector cover (1) is mounted to a rear end of the housing (2), the temperature sensor (3) is inserted into the housing (2) for detecting a temperature of the terminal (4), the pressing portion (10) of the connector cover (1) exerts a predetermined pressing force on the temperature sensor (3) under extrusion of an inner wall surface of the housing (2) to make the temperature sensor (3) in reliable thermal contact with the terminal (4). ​

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