Connector housing assembly and connector

Abstract

This utility model discloses a connector housing assembly and a connector. The connector housing assembly includes a housing, an end cap, and a seal. The end cap is connected to the housing and, together with the housing, defines an opening that allows a busbar to pass through. The seal includes a U-shaped sealing portion and a rectangular sealing portion. The U-shaped sealing portion is located in a first plane and is adapted to be pressed between the housing and the end cap in a first direction perpendicular to the first plane. The rectangular sealing portion is connected to both ends of the U-shaped sealing portion. The busbar passes through the rectangular sealing portion. The rectangular sealing portion is located in a second plane perpendicular to the first plane and is adapted to be pressed between the housing and the busbar and between the end cap and the busbar in the first direction. The seal is used to achieve a seal between the housing, the end cap, and the busbar. The seal of this utility model has a three-dimensional structure, which can meet the connector's axial and radial waterproof and dustproof requirements.

Description

Technical Field

[0001] This utility model relates to a connector housing assembly and a connector including the connector housing assembly. Background Technology

[0002] In existing technologies, energy storage units in energy storage systems are connected in series with busbars via busbar connectors. However, current busbar connectors cannot simultaneously accommodate busbar connection at any angle and meet the IP67 waterproof and dustproof protection rating requirements. 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 housing assembly is provided, comprising: a housing, an end cap, and a seal, wherein the end cap is connected to the housing and together with the housing defines an opening that allows a busbar to pass through, and the seal comprises: a U-shaped sealing portion and a rectangular sealing portion, the U-shaped sealing portion being located in a first plane and adapted to be pressed between the housing and the end cap in a first direction perpendicular to the first plane, the rectangular sealing portion being connected to both ends of the U-shaped sealing portion, the busbar passing through the rectangular sealing portion, and the rectangular sealing portion being located in a second plane perpendicular to the first plane and adapted to be pressed between the housing and the busbar and between the end cap and the busbar in the first direction, the seal being used to achieve a seal between the housing, the end cap, and the busbar.

[0005] According to an exemplary embodiment of the present invention, the rectangular sealing portion is located in the U-shaped opening of the U-shaped sealing portion, the U-shaped sealing portion comprising: a semi-annular portion and a pair of connecting portions connected between the two ends of the semi-annular portion and the rectangular sealing portion.

[0006] According to another exemplary embodiment of the present invention, the seal has a front side and a rear side opposite to each other in the first direction, and a front sealing rib is formed on the front side of the seal. The front sealing rib extends continuously on the front side of the U-shaped seal and the outer peripheral surface of the rectangular seal located on the front side of the U-shaped seal. The front sealing rib is used for sealing contact with the rotating housing.

[0007] According to another exemplary embodiment of the present invention, a rear sealing rib is formed on the rear side of the seal, the rear sealing rib extending continuously on the rear side of the U-shaped seal and the outer peripheral surface of the rectangular seal located on the rear side of the U-shaped seal, the rear sealing rib being used for sealing contact with the end cap.

[0008] According to another exemplary embodiment of the present invention, an inner sealing rib is formed on the inner circumferential surface of the rectangular sealing portion, the inner sealing rib being used for sealing contact with a manifold passing through the rectangular sealing portion.

[0009] According to another exemplary embodiment of the present invention, the housing includes an insulating housing and a rotating housing, the insulating housing having a mounting base and a connecting portion protruding from the mounting base; the connecting portion has a circular cross-section, and one end of the rotating housing is rotatably mounted on the connecting portion; the end cap is connected to the other end of the rotating housing and together with the rotating housing defines the opening; the seal is pressed between the rotating housing and the end cap, and between the opening and the manifold, the seal being used to achieve a seal between the rotating housing, the end cap, and the manifold.

[0010] According to another exemplary embodiment of the present invention, the U-shaped sealing portion is pressed between the rotating housing and the end cap, the rectangular sealing portion is pressed between the rotating housing and the manifold and between the end cap and the manifold along the first direction, and the rectangular sealing portion is pressed between the opening and the manifold.

[0011] According to another exemplary embodiment of the present invention, a cavity corresponding to the seal is defined between the rotating housing and the end cap, the seal being located in the cavity, the cavity having a first wall surface and a second wall surface opposite to each other in the first direction, the rotating housing defining the first wall surface, the first wall surface corresponding to the front sealing rib of the seal, the end cap defining the second wall surface, the second wall surface corresponding to the rear sealing rib of the seal.

[0012] According to another exemplary embodiment of the present invention, the first wall surface and the second wall surface are respectively provided with grooves that cooperate with the front sealing rib and the rear sealing rib of the seal to increase the sealing performance of the seal.

[0013] According to another exemplary embodiment of the present invention, the connector housing assembly further includes a sealing ring that is pressed between the insulating housing and the rotating housing along the first direction to achieve a seal between the two.

[0014] According to another exemplary embodiment of the present invention, the connecting portion of the insulating shell has a sealing ring mounting groove formed in the circumferential direction at its end for mounting the sealing ring.

[0015] According to another exemplary embodiment of the present invention, the radial dimension of the connecting portion of the insulating shell is increased at the end to form a shoulder structure, and a buckle is provided at one end of the rotating shell connected to the connecting portion of the insulating shell for cooperating with the shoulder structure to restrict the axial movement of the rotating shell relative to the insulating shell.

[0016] According to another exemplary embodiment of the present invention, the insulating housing is provided with a through-hole extending along its axial direction, the through-hole allowing one end of a conductive terminal to be inserted, the rotating housing is provided with a cavity extending along its axial direction, the cavity communicating with the through-hole such that the other end of the conductive terminal extends into the cavity, the cavity communicating with the opening such that the busbar extends through the opening into the cavity and is connected to the conductive terminal in the cavity.

[0017] According to another exemplary embodiment of the present invention, the end cap axially closes the cavity of the rotating housing.

[0018] According to another aspect of the present invention, a connector is provided. The connector includes: the aforementioned connector housing assembly and conductive terminals, one end of which is inserted into and passes through a socket in the insulating housing, and the other end extends into a cavity of the rotating housing and is connected to the busbar in the cavity. The conductive terminal has a threaded hole for mounting the busbar by fasteners. Before the busbar is mounted and secured to the conductive terminal, the busbar is axially rotatable relative to the conductive terminal.

[0019] In the foregoing exemplary embodiments of the present invention, the seal with a three-dimensional structure can achieve the connector’s IP67 waterproof and dustproof requirements in both the axial and radial directions.

[0020] The connector includes a rotatable housing that can be rotatably mounted relative to an insulating housing. Before the busbar and conductive terminals are fastened together, the busbar can be axially rotated relative to the conductive terminals, thereby being adjustable relative to the extension direction of the energy storage unit and thus adapting to the installation requirements of different models of energy storage units.

[0021] In addition, the connector is small in size and has a simple structure.

[0022] 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

[0023] Figure 1A This diagram shows a connector connected to a busbar according to an exemplary embodiment of the present invention;

[0024] Figure 1B show Figure 1A The diagram shown is a schematic of the busbar after it has been rotated relative to the conductive terminals of the connector.

[0025] Figure 2 show Figure 1A Exploded view of the connector shown;

[0026] Figure 3 show Figure 1A A cross-sectional view showing the connector connected to the busbar;

[0027] Figure 4 show Figure 1A A schematic diagram showing the interaction between the insulating housing and the rotating housing of the connector shown.

[0028] Figure 5A show Figure 1A A perspective view of the connector's seal from the rear side.

[0029] Figure 5B show Figure 1A A perspective view of the connector's seal from the front side;

[0030] Figure 6A show Figure 1A A schematic diagram of the rotating housing, seal, and end cap of the connector in relation to each other from a rear view.

[0031] Figure 6B show Figure 1A The diagram shows the interaction of the rotating housing, seal, and end cap of the connector from a frontal view. Detailed Implementation

[0032] 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 concept of this utility model and should not be construed as a limitation thereof.

[0033] 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.

[0034] According to a general technical concept of this utility model, a connector housing assembly is provided, comprising: a housing, an end cap, and a seal. The end cap is connected to the housing and together with the housing defines an opening, the opening allowing a busbar to pass through. The seal comprises: a U-shaped sealing portion and a rectangular sealing portion. The U-shaped sealing portion is located in a first plane and adapted to be pressed between the housing and the end cap in a first direction perpendicular to the first plane. The rectangular sealing portion is connected to both ends of the U-shaped sealing portion. The busbar passes through the rectangular sealing portion. The rectangular sealing portion is located in a second plane perpendicular to the first plane and adapted to be pressed between the housing and the busbar and between the end cap and the busbar in the first direction. The seal is used to achieve a seal between the housing, the end cap, and the busbar.

[0035] According to another overall technical concept of this utility model, a connector is provided, comprising: the aforementioned connector housing assembly and a conductive terminal, one end of the conductive terminal being inserted into and passing through a socket in the insulating housing, and the other end extending into a cavity of the rotating housing and connected to the busbar in the cavity, the conductive terminal having a threaded hole for mounting the busbar by fasteners, and the busbar being rotatable relative to the conductive terminal in the axial direction before the busbar is mounted and fastened to the conductive terminal.

[0036] Figure 1A This diagram shows a connector connected to a busbar according to an exemplary embodiment of the present invention; Figure 1B show Figure 1A The diagram shown is a schematic of the busbar after it has been rotated relative to the conductive terminals of the connector. Figure 2 show Figure 1A Exploded view of the connector shown; Figure 3 show Figure 1A A cross-sectional view showing the connector connected to the busbar; Figure 4 show Figure 1A A schematic diagram showing the interaction between the insulating housing and the rotating housing of the connector shown. Figure 5A show Figure 1A A perspective view of the connector's seal from the rear side. Figure 5B show Figure 1A A perspective view of the connector's seal from the front side; Figure 6A show Figure 1A A schematic diagram of the rotating housing, seal, and end cap of the connector in relation to each other from a rear view. Figure 6B show Figure 1A The diagram shows the interaction of the rotating housing, seal, and end cap of the connector from a frontal view.

[0037] like Figures 1A to 6BAs shown, in an exemplary embodiment of the present invention, a connector housing assembly 10 is disclosed. The connector housing assembly 10 includes a housing, an end cap 60, and a seal 30. The end cap 60 is connected to the housing and, together with the housing, defines an opening 501. The opening 501 allows a bus 2 to pass through. The seal 30 includes a U-shaped seal portion and a rectangular seal portion 304. The U-shaped seal portion includes a semi-annular portion 302 and a pair of connecting portions 308 connected between the two ends of the semi-annular portion 302 and the rectangular seal portion 304. The U-shaped seal portion is located in a first plane and is adapted to be pressed between the rotating housing 50 and the end cap 60 of the connector in a first direction perpendicular to the first plane; the rectangular seal portion 304 is connected to the two ends of the U-shaped seal portion and is located in the U-shaped opening 306 of the U-shaped seal portion. The bus 2 passes through the rectangular seal portion 304. The rectangular sealing portion 304 is located in a second plane perpendicular to the first plane and is adapted to be pressed between the housing and the manifold 2 and between the end cap 60 and the manifold 2 in a first direction. The seal 30 is used to achieve a seal between the housing, the end cap 60 and the manifold 2.

[0038] like Figures 1A to 6B As shown in the illustrated embodiment, the housing includes an insulating housing 40 and a rotating housing 50. The insulating housing 40 has a mounting base 402 and a connecting portion 404 protruding from the mounting base 402. The connecting portion 404 has a circular cross-section. One end of the rotating housing 50 is rotatably mounted on the connecting portion 404. An end cap 60 is connected to the other end of the rotating housing 50 and, together with the rotating housing 50, defines an opening 501. A seal 30 is pressed between the rotating housing 50 and the end cap 60, and between the opening 501 and the busbar 2. The seal 30 is used to achieve a seal between the rotating housing 50, the end cap 60, and the busbar 2.

[0039] like Figures 1A to 6B As shown, in the illustrated embodiment, the seal 30 has a front side and a rear side opposite each other in a first direction. A front sealing rib 312a is formed on the front side of the seal 30, which extends continuously on the front side of the U-shaped seal and the outer peripheral surface of the rectangular seal 304 located on the front side of the U-shaped seal. The front sealing rib 312a is used for sealing contact with the rotating housing 50.

[0040] like Figures 1A to 6B As shown in the illustrated embodiment, a rear sealing rib 312b is formed on the rear side of the seal 30. The rear sealing rib 312b extends continuously on the rear side of the U-shaped seal and the outer peripheral surface of the rectangular seal 304 located on the rear side of the U-shaped seal. The rear sealing rib 312b is used for sealing contact with the end cap 60.

[0041] like Figures 1A to 6BAs shown in the illustrated embodiment, an inner sealing rib 316 is formed on the inner circumferential surface of the rectangular sealing portion 304. The inner sealing rib 316 is used for sealing contact with the manifold 2 passing through the rectangular sealing portion 304.

[0042] like Figures 1A to 6B As shown, in the illustrated embodiment, the U-shaped seal is pressed between the rotating housing 50 and the end cap 60, the rectangular seal 304 is pressed between the rotating housing 50 and the busbar 2 and between the end cap 60 and the busbar 2 along the first direction, and the rectangular seal 304 is pressed between the opening 501 and the busbar 2.

[0043] like Figures 1A to 6B As shown in the illustrated embodiment, a cavity 110 corresponding to the seal 30 is defined between the rotating housing 50 and the end cap 60. The seal 30 is located in the cavity 110. The cavity 110 has a first wall surface 502 and a second wall surface 602 opposite each other in a first direction. The rotating housing 50 defines the first wall surface 502, which corresponds to the front sealing rib 312a of the seal 30. The end cap 60 defines the second wall surface 602, which corresponds to the rear sealing rib 312b of the seal 30.

[0044] like Figures 1A to 6B As shown in the illustrated embodiment, the first wall surface 502 and the second wall surface 602 are respectively provided with grooves 802 that cooperate with the front sealing rib 312a and the rear sealing rib 312b of the sealing member 30 to increase the sealing performance of the sealing member 30.

[0045] like Figures 1A to 6B As shown, in the illustrated embodiment, the connector housing assembly 10 further includes a sealing ring 70. The sealing ring 70 is pressed between the insulating housing 40 and the rotating housing 50 along a first direction to achieve a seal between the two.

[0046] like Figures 1A to 6B As shown in the illustrated embodiment, the connecting portion 404 of the insulating housing 40 has a sealing ring mounting groove 422 formed in the circumferential direction at its end for mounting the sealing ring 70.

[0047] like Figures 1A to 6B As shown in the illustrated embodiment, the radial dimension of the connecting portion 404 of the insulating housing 40 is increased at its end to form a shoulder structure 412. A latch 512 is provided at one end of the rotating housing 50 connected to the connecting portion 404 of the insulating housing 40, for engaging with the shoulder structure 412 to restrict axial movement of the rotating housing 50 relative to the insulating housing 40.

[0048] like Figures 1A to 6BAs shown in the illustrated embodiment, the insulating housing 40 has a through-hole 414 extending axially therethrough. This through-hole 414 allows one end of the conductive terminal 20 to be inserted. The rotating housing 50 has a cavity 514 extending axially therethrough. This cavity 514 communicates with the through-hole 414 such that the other end of the conductive terminal 20 extends into the cavity 514. This cavity 514 communicates with the opening 501 such that the busbar 2 extends through the opening 501 into the cavity 514 and connects to the conductive terminal 20 within the cavity 514.

[0049] like Figures 1A to 6B As shown, in the illustrated embodiment, the end cap 60 axially closes the cavity 514 of the rotating housing 50.

[0050] like Figures 1A to 6B As shown, in an exemplary embodiment of this utility model, a connector 1 is disclosed for connecting a busbar 2. The connector 1 includes the aforementioned connector housing assembly 10 and conductive terminals 20. One end of the conductive terminal 20 is inserted into and passes through a socket 414 of the insulating housing 40, and the other end extends into a cavity 514 of the rotating housing 50, where it is connected to the busbar 2. The conductive terminal 20 has a threaded hole 202 for mounting the busbar 2 using fasteners 3. Before the busbar 2 is securely mounted to the conductive terminal 20, the busbar 2 can rotate axially relative to the conductive terminal 20.

[0051] 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.

[0052] 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.

[0053] 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.

[0054] 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 housing assembly (10) characterized by, include: case; End cap (60), connected to the housing and together with the housing defining an opening (501) that allows the busbar (2) to pass through; as well as The seal (30) includes: The U-shaped sealing portion is located in a first plane and is adapted to be pressed between the housing and the end cap (60) in a first direction perpendicular to the first plane; and A rectangular sealing part (304) is connected to both ends of the U-shaped sealing part, and the busbar (2) passes through the rectangular sealing part (304). The rectangular sealing portion (304) is located in a second plane perpendicular to the first plane and is adapted to be pressed between the housing and the manifold (2) and between the end cap (60) and the manifold (2) along the first direction. The seal (30) is used to achieve a seal between the housing, the end cap (60) and the manifold (2).

2. The connector housing assembly according to claim 1, characterized in that: The rectangular sealing part (304) is located in the U-shaped opening (306) of the U-shaped sealing part. The U-shaped sealing part includes: The semi-circular portion (302); and A pair of connecting portions (308) are connected between the two ends of the semi-annular portion (302) and the rectangular sealing portion (304).

3. The connector housing assembly according to claim 1, characterized in that: The seal (30) has a front side and a rear side opposite to each other in the first direction. A front sealing rib (312a) is formed on the front side of the seal (30), and the front sealing rib (312a) extends continuously on the front side of the U-shaped seal and on the outer peripheral surface of the rectangular seal (304) located on the front side of the U-shaped seal.

4. The connector housing assembly according to claim 3, characterized in that: A rear sealing rib (312b) is formed on the rear side of the seal (30). The rear sealing rib (312b) extends continuously on the rear side of the U-shaped seal and on the outer peripheral surface of the rectangular seal (304) located on the rear side of the U-shaped seal. The rear sealing rib (312b) is used to make sealing contact with the end cap (60).

5. The connector housing assembly according to claim 4, characterized in that: An inner sealing rib (316) is formed on the inner circumferential surface of the rectangular sealing portion (304), the inner sealing rib (316) being used to make sealing contact with the manifold (2) passing through the rectangular sealing portion (304).

6. The connector housing assembly according to claim 5, characterized in that: The housing includes: An insulating housing (40) has a mounting base (402) and a connecting portion (404) protruding from the mounting base (402), the connecting portion (404) having a circular cross-section; A rotating housing (50), one end of which is rotatably mounted on the connecting part (404), wherein the front sealing rib (312a) is used for sealing contact with the rotating housing (50); The end cap (60) is connected to the other end of the rotating housing (50) and together with the rotating housing (50) defines the opening (501). The seal (30) is pressed between the rotating housing (50) and the end cap (60), and between the opening (501) and the manifold (2). The seal (30) is used to achieve a seal between the rotating housing (50), the end cap (60) and the manifold (2).

7. The connector housing assembly according to claim 6, characterized in that: The U-shaped sealing part is pressed between the rotating housing (50) and the end cap (60). The rectangular sealing portion (304) is pressed between the rotating housing (50) and the manifold (2) and between the end cap (60) and the manifold (2) along the first direction, and The rectangular sealing portion (304) is pressed between the opening (501) and the manifold (2).

8. The connector housing assembly according to claim 7, characterized in that: A cavity (110) corresponding to the seal (30) is defined between the rotating housing (50) and the end cap (60), the seal (30) being located within the cavity (110). The cavity (110) has a first wall (502) and a second wall (602) opposite each other in the first direction. The rotating housing (50) defines the first wall surface (502), which corresponds to the front sealing rib (312a) of the seal (30). The end cap (60) defines the second wall surface (602), which corresponds to the rear sealing rib (312b) of the seal (30).

9. The connector housing assembly according to claim 8, characterized in that: The first wall surface (502) and the second wall surface (602) are respectively provided with grooves (802) that cooperate with the front sealing rib (312a) and the rear sealing rib (312b) of the sealing element (30) to increase the sealing performance of the sealing element (30).

10. The connector housing assembly of claim 6, wherein Also includes: A sealing ring (70) is pressed between the insulating housing (40) and the rotating housing (50) along the first direction to achieve a seal between the two.

11. The connector housing assembly according to claim 10, characterized in that: The connecting portion (404) of the insulating housing (40) has a sealing ring mounting groove (422) formed in the circumferential direction at the end for mounting the sealing ring (70).

12. The connector housing assembly according to claim 6, characterized in that: The connecting portion (404) of the insulating shell (40) has an increased radial dimension at the end to form a shoulder structure (412). The rotating housing (50) is connected to the connecting part (404) of the insulating housing (40) at one end, which is provided with a buckle (512) for cooperating with the shoulder structure (412) to restrict the axial movement of the rotating housing (50) relative to the insulating housing (40).

13. The connector housing assembly according to claim 6, characterized in that: The insulating housing (40) is provided with a through-hole (414) extending along its axial direction, the through-hole (414) allowing one end of the conductive terminal (20) to be inserted. The rotating housing (50) has a cavity (514) extending through it along its axial direction. The cavity (514) is in communication with the socket (414) so ​​that the other end of the conductive terminal (20) extends into the cavity (514). The cavity (514) is in communication with the opening (501) such that the busbar (2) extends through the opening (501) into the cavity (514) and is connected to the conductive terminal (20) in the cavity (514).

14. The connector housing assembly according to claim 13, characterized in that: The end cap (60) axially closes the cavity (514) of the rotating housing (50).

15. A connector (1) for connecting busbars (2), characterized in that include: Connector housing assembly (10) according to any one of claims 1-14; as well as A conductive terminal (20) has one end inserted into and passes through a socket (414) in the insulating housing (40), and the other end extends into a cavity (514) in the rotating housing (50) and is connected to the busbar (2) in the cavity (514). The conductive terminal (20) is provided with a threaded hole (202) for mounting the busbar (2) by means of a fastener (3). Before the busbar (2) is installed and secured to the conductive terminal (20), the busbar (2) may rotate about the axial direction relative to the conductive terminal (20).

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