Connector and electrical connection device

Abstract

This utility model discloses a connector and an electrical connection device. The connector includes: a housing; and terminals disposed in the housing. The housing is an injection-molded part molded onto the terminals, making the housing and the terminals an integral piece. In this utility model, the housing is an injection-molded part molded onto the terminals, thereby eliminating the need to form terminal sockets that mate with the terminals in the housing, and also eliminating the step of inserting the terminals into the housing. This not only greatly improves the manufacturing efficiency of the connector, but also greatly reduces the manufacturing cost.

Description

Technical Field

[0001] This utility model relates to a connector and an electrical connection device including the connector. Background Technology

[0002] In the prior art, connectors typically consist of a housing and terminals. Terminal sockets are formed in the housing, and the terminals are inserted into these sockets. In the prior art, the housing and terminals are two separate components that need to be assembled together. This requires not only forming terminal sockets in the housing to mate with the terminals, but also assembling the terminals into these sockets, which reduces manufacturing efficiency and increases manufacturing costs. 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 is provided. The connector includes: a housing; and terminals disposed in the housing. The housing is an injection-molded part injected onto the terminals, such that the housing and the terminals are integrally formed.

[0005] According to an exemplary embodiment of the present invention, the terminal has a mating end located in the housing, the mating end being used to mate with the mating terminal of the mating connector to electrically connect the terminal of the connector and the mating terminal of the mating connector.

[0006] According to another exemplary embodiment of the present invention, the mating end of the terminal is hollow and cylindrical, so as to allow the mating terminal to be inserted into the mating end of the terminal and to make electrical contact with the mating end of the terminal.

[0007] According to another exemplary embodiment of the present invention, the mating end of the terminal is columnar and adapted to be inserted into the inner cavity of the mating terminal to make electrical contact with the mating terminal.

[0008] According to another exemplary embodiment of the present invention, the housing is formed with an insertion cavity that allows the plug portion of the mating housing of the mating connector to be inserted and a retaining portion located in the insertion cavity, wherein the mating end of the terminal is retained in the retaining portion.

[0009] According to another exemplary embodiment of the present invention, an elastic buckle is formed in the insertion cavity of the housing, the elastic buckle being adapted to engage with a slot on the inserted mating housing to lock the housing and the mating housing together.

[0010] According to another exemplary embodiment of the present invention, the elastic buckle includes a cantilever and a protrusion formed at the end of the cantilever, the protrusion being used to engage with a slot on a mating housing.

[0011] According to another exemplary embodiment of the present invention, the terminal further has a connecting end that extends from the housing for electrical connection to an electrical transmission element.

[0012] According to another exemplary embodiment of the present invention, the connecting end of the terminal is adapted to be welded, crimped or riveted to the electrical transmission component.

[0013] According to another exemplary embodiment of the present invention, the connector further includes: an electrical transmission element, electrically connected to the connection end of the terminal, wherein the electrical transmission element is a cable or a flat conductor.

[0014] According to another exemplary embodiment of the present invention, the extending direction of the mating end of the terminal is perpendicular to or at a predetermined angle to the extending direction of the connecting end of the terminal.

[0015] According to another exemplary embodiment of the present invention, the extending direction of the mating end of the terminal is the same as or parallel to the extending direction of the connecting end of the terminal.

[0016] According to another exemplary embodiment of the present invention, the terminal has a flat plate-shaped portion, the mating end of the terminal is cylindrical and located at one end of the plate-shaped portion; the other end of the plate-shaped portion of the terminal extends out of the housing and serves as the connecting end of the terminal.

[0017] According to another exemplary embodiment of the present invention, the mating end of the terminal is perpendicular to the surface of the plate-shaped portion of the terminal, such that the terminal is L-shaped.

[0018] According to another exemplary embodiment of the present invention, the housing includes: a first housing portion, wherein the mating end of the terminal is located in the first housing portion; and a second housing portion, one end of which is perpendicularly connected to one end of the first housing portion, wherein the portion of the plate-shaped portion of the terminal, excluding the connecting end, is embedded in the injection molding material forming the second housing portion.

[0019] According to another exemplary embodiment of the present invention, the terminal is an integrally stamped part.

[0020] According to another exemplary embodiment of the present invention, the connector further includes: an insulating sleeve, one end of which is detachably fitted onto the other end of the second housing portion of the housing, and the connecting end of the terminal is accommodated in one end of the insulating sleeve.

[0021] According to another exemplary embodiment of the present invention, the connector further includes an electrical transmission element electrically connected to the connection end of the terminal and led out from the other end of the insulating sleeve.

[0022] According to another exemplary embodiment of the present invention, the connector further includes a sealing ring, which is mounted in an annular mounting groove on the other end of the second housing portion, the sealing ring being radially pressed between the insulating sleeve and the second housing portion to achieve a seal between the two.

[0023] According to another exemplary embodiment of the present invention, the connector further includes: a seal disposed in the other end of the insulating sleeve and having a through hole that allows the electrical transmission element to pass through, the seal being pressed between the insulating sleeve and the electrical transmission element to achieve a seal between the two.

[0024] According to another exemplary embodiment of the present invention, a plurality of protrusions are formed on the other end of the second housing portion at intervals in its circumferential direction, and a plurality of slots are formed on one end of the insulating sleeve at intervals in its circumferential direction. The plurality of protrusions and the plurality of slots respectively engage to fix the insulating sleeve to the second housing portion.

[0025] According to another aspect of the present invention, an electrical connection device is provided. The electrical connection device includes: an insulating housing; and the aforementioned connector, which is detachably inserted into the insulating housing.

[0026] According to an exemplary embodiment of the present invention, the electrical connection device is a charging base or a charging gun.

[0027] In the foregoing exemplary embodiments of the present invention, the housing is an injection molded part that is injection molded onto the terminal, thereby eliminating the need to form terminal sockets that mate with the terminal in the housing, and also eliminating the step of inserting the terminal into the housing. This not only greatly improves the manufacturing efficiency of the connector, but also greatly reduces the manufacturing cost.

[0028] 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

[0029] Figure 1 A perspective view of a connector according to an exemplary embodiment of the present invention is shown;

[0030] Figure 2 Showing a cross-sectional view of a connector according to an exemplary embodiment of the present invention;

[0031] Figure 3An exploded view of a connector according to an exemplary embodiment of the present invention is shown;

[0032] Figure 4 Showing an anatomical view of a connector according to an exemplary embodiment of the present invention;

[0033] Figure 5 A perspective view of a connector according to an exemplary embodiment of the present invention is shown, wherein an insulating sleeve is shown;

[0034] Figure 6 Showing an anatomical view of a connector according to an exemplary embodiment of the present invention;

[0035] Figure 7 This diagram shows an exploded view of a connector according to an exemplary embodiment of the present invention. Detailed Implementation

[0036] 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.

[0037] 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.

[0038] According to a general technical concept of the present invention, a connector is provided. The connector includes: a housing; and terminals disposed in the housing. The housing is an injection-molded part injected onto the terminals, such that the housing and the terminals are integrally formed.

[0039] According to another general technical concept of this utility model, an electrical connection device is provided. The electrical connection device includes: an insulating shell; and the aforementioned connector, which is detachably inserted into the insulating shell. A mating locking feature is formed in the insulating shell, the mating locking feature engaging with a locking feature of the connector's housing to lock the connector into the insulating shell.

[0040] Figure 1 A perspective view of a connector according to an exemplary embodiment of the present invention is shown; Figure 2 Showing a cross-sectional view of a connector according to an exemplary embodiment of the present invention; Figure 3An exploded view of a connector according to an exemplary embodiment of the present invention is shown; Figure 4 This shows an anatomical view of a connector according to an exemplary embodiment of the present invention.

[0041] like Figures 1 to 4 As shown, in an exemplary embodiment of this utility model, a connector is disclosed. The connector includes a housing 1 and terminals 2. The terminals 2 are disposed in the housing 1. The housing 1 is an injection-molded part injected onto the terminals 2, making the housing 1 and terminals 2 an integral piece. In the illustrated embodiment, the step of molding terminal sockets that mate with the terminals in the housing is eliminated, and the step of inserting the terminals into the housing is also eliminated. This not only greatly improves the manufacturing efficiency of the connector, but also greatly reduces the manufacturing cost.

[0042] like Figures 1 to 4 As shown, in the illustrated embodiment, terminal 2 has a mating end 21 located in housing 1, which is used to mate with the mating end (not shown) of mating connector (not shown) to electrically connect terminal 2 of connector and mating end of mating connector.

[0043] like Figures 1 to 4 As shown in the illustrated embodiment, the mating end 21 of terminal 2 is a hollow cylindrical shape to allow the mating terminal to be inserted into and electrically contact the mating end 21 of terminal 2. However, the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, the mating end 21 of terminal 2 may be cylindrical and adapted to be inserted into the cavity of the mating terminal for electrical contact with the mating terminal.

[0044] like Figures 1 to 4 As shown, in the illustrated embodiment, the housing 1 is formed with an insertion cavity 101 that allows the plug portion (not shown) of the mating housing (not shown) of the mating connector to be inserted, and a retaining portion 110 located in the insertion cavity 101, wherein the mating end 21 of the terminal 2 is retained in the retaining portion 110.

[0045] like Figures 1 to 4 As shown, in the illustrated embodiment, an elastic buckle 13 is formed in the insertion cavity 101 of the housing 1. The elastic buckle 13 is adapted to engage with a slot (not shown) on the inserted mating housing to lock the housing 1 and the mating housing together.

[0046] like Figures 1 to 4 As shown, in the illustrated embodiment, the elastic buckle 13 includes a cantilever 131 and a protrusion 132 formed at the end of the cantilever 131, the protrusion 132 being used to engage with a slot on the mating housing.

[0047] like Figures 1 to 4As shown, in the illustrated embodiment, terminal 2 further has a connecting end 22 extending from housing 1 for electrical connection to an electrical transmission component (not shown). The connecting end 22 of terminal 2 is adapted to be welded, crimped, or riveted to the electrical transmission component.

[0048] like Figures 1 to 4 As shown, in the illustrated embodiment, the connector further includes an electrical transmission element (not shown) that is electrically connected to the connection end 22 of terminal 2. The electrical transmission element may be a cable or a flat conductor.

[0049] like Figures 1 to 4 As shown in the illustrated embodiment, the extending direction of the mating end 21 of terminal 2 is perpendicular to or at a predetermined angle to the extending direction of the connecting end 22 of terminal 2. However, the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, the extending direction of the mating end 21 of terminal 2 may be the same as or parallel to the extending direction of the connecting end 22 of terminal 2.

[0050] like Figures 1 to 4 As shown in the illustrated embodiment, terminal 2 has a flat plate-shaped portion 220, and mating end 21 of terminal 2 is cylindrical and located at one end of the plate-shaped portion 220. The other end of the plate-shaped portion 220 of terminal 2 extends out of the housing 1 and serves as the connecting end 22 of terminal 2.

[0051] like Figures 1 to 4 As shown in the illustrated embodiment, the mating end 21 of terminal 2 is perpendicular to the surface of the plate-shaped portion 220 of terminal 2, making terminal 2 L-shaped.

[0052] like Figures 1 to 4 As shown in the illustrated embodiment, the housing 1 includes a first housing portion 11 and a second housing portion 12, with the mating end 21 of the terminal 2 located in the first housing portion 11. One end of the second housing portion 12 is perpendicularly connected to one end of the first housing portion 11. The portion of the plate-shaped portion 220 of the terminal 2, excluding the connecting end 22, is embedded in the injection molding material forming the second housing portion 12.

[0053] like Figures 1 to 4 As shown in the illustrated embodiment, terminal 2 is a one-piece stamped part. However, this invention is not limited to the illustrated embodiment; for example, terminal 2 can also be a machined part.

[0054] Figure 5 A perspective view of a connector according to an exemplary embodiment of the present invention is shown, wherein an insulating sleeve 9 is shown; Figure 6 Showing an anatomical view of a connector according to an exemplary embodiment of the present invention; Figure 7 This diagram shows an exploded view of a connector according to an exemplary embodiment of the present invention.

[0055] like Figures 1 to 7 As shown in the illustrated embodiment, the connector further includes an insulating sleeve 9, one end of which is detachably fitted onto the other end of the second housing portion 12 of the housing 1. The connecting end 22 of the terminal 2 is accommodated in one end of the insulating sleeve 9.

[0056] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector also includes an electrical transmission element (not shown) that is electrically connected to the connection end 22 of the terminal 2 and led out from the other end of the insulating sleeve 9.

[0057] like Figures 1 to 7 As shown in the illustrated embodiment, the connector further includes a sealing ring 7, which is mounted in an annular mounting groove on the other end of the second housing portion 12. The sealing ring 7 is radially pressed between the insulating sleeve 9 and the second housing portion 12 to achieve a seal between them.

[0058] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector further includes a seal 8 disposed in the other end of the insulating sleeve 9 and forming a through hole that allows the electrical transmission element to pass through. The seal 8 is pressed between the insulating sleeve 9 and the electrical transmission element to achieve a seal between the two.

[0059] like Figures 1 to 7 As shown in the illustrated embodiment, a plurality of protrusions 1a are formed on the other end of the second housing portion 12 at intervals in its circumferential direction, and a plurality of slots 9a are formed on one end of the insulating sleeve 9 at intervals in its circumferential direction. The plurality of protrusions 1a and the plurality of slots 9a respectively engage to fix the insulating sleeve 9 to the second housing portion 12.

[0060] like Figures 1 to 7 As shown in the illustrated embodiment, a locking feature 14 is formed on the exterior of the housing 1. This locking feature 14 is adapted to engage with a mating locking feature (not shown) within the insulating housing (not shown) of the electrical connection device to lock the connector into the insulating housing of the electrical connection device. The locking feature 14 can be a locking protrusion or a spring-loaded buckle.

[0061] like Figures 1 to 7 As shown, in another exemplary embodiment of this utility model, an electrical connection device (not shown) is also disclosed. This electrical connection device includes an insulating housing and the aforementioned connector. The connector is detachably inserted into the insulating housing.

[0062] In one exemplary embodiment of this utility model, the aforementioned electrical connection device can be a charging base or a charging gun.

[0063] 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.

[0064] 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.

[0065] 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.

[0066] 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 characterized by comprising: include: Shell (1); and Terminal (2) is disposed in the housing (1). The housing (1) is an injection molded part that is injection molded onto the terminal (2), so that the housing (1) and the terminal (2) become a single piece.

2. The connector according to claim 1, characterized in that: The terminal (2) has a mating end (21) located in the housing (1), the mating end (21) being mated with the mating terminal of the mating connector to electrically connect the terminal (2) of the connector and the mating terminal of the mating connector.

3. The connector according to claim 2, characterized in that: The mating end (21) of the terminal (2) is hollow cylindrical to allow the mating terminal to be inserted into the mating end (21) of the terminal (2) and to make electrical contact with the mating end (21) of the terminal (2).

4. The connector according to claim 2, characterized in that: The mating end (21) of the terminal (2) is columnar and adapted to be inserted into the cavity of the mating terminal to make electrical contact with the mating terminal.

5. The connector according to claim 2, characterized in that: The housing (1) is formed with an insertion cavity (101) that allows the plug portion of the mating housing of the mating connector to be inserted and a retaining portion (110) located in the insertion cavity (101), wherein the mating end (21) of the terminal (2) is retained in the retaining portion (110).

6. The connector according to claim 5, characterized in that: An elastic buckle (13) is formed in the insertion cavity (101) of the housing (1), the elastic buckle (13) being adapted to engage with a slot on the mating housing to lock the housing (1) and the mating housing together.

7. The connector according to claim 6, characterized in that: The elastic buckle (13) includes a cantilever (131) and a protrusion (132) formed at the end of the cantilever (131), the protrusion (132) being used to engage with a slot on the mating housing.

8. The connector according to any one of claims 2-7, characterized in that: The terminal (2) also has a connection end (22) that extends from the housing (1) for electrical connection to an electrical transmission element.

9. The connector according to claim 8, characterized in that: The connection end (22) of the terminal (2) is adapted to be welded, crimped or riveted to the electrical transmission component.

10. The connector of claim 8, wherein, Also includes: An electrical transmission component is electrically connected to the connection end (22) of the terminal (2). The electrical transmission component is a cable or a flat conductor.

11. The connector according to claim 8, characterized in that: The extending direction of the mating end (21) of the terminal (2) is perpendicular to or at a predetermined angle to the extending direction of the connecting end (22) of the terminal (2).

12. The connector according to claim 8, characterized in that: The extending direction of the mating end (21) of the terminal (2) is the same as or parallel to the extending direction of the connecting end (22) of the terminal (2).

13. The connector according to claim 8, characterized in that: The terminal (2) has a flat plate-shaped portion (220), and the mating end (21) of the terminal (2) is cylindrical and located at one end of the plate-shaped portion (220); The other end of the plate-shaped portion (220) of the terminal (2) extends out from the housing (1) and serves as the connecting end (22) of the terminal (2).

14. The connector according to claim 13, characterized in that: The mating end (21) of the terminal (2) is perpendicular to the surface of the plate-shaped portion (220) of the terminal (2), so that the terminal (2) is L-shaped.

15. The connector according to claim 14, characterized in that: The housing (1) includes: The first housing portion (11) has the mating end (21) of the terminal (2) located within it; and The second housing part (12) has one end perpendicularly connected to one end of the first housing part (11). The portion of the plate-shaped portion (220) of the terminal (2), excluding the connecting end (22), is embedded in the injection molding material forming the second housing portion (12).

16. The connector of claim 13, wherein: The terminal (2) is an integral stamped part.

17. The connector of claim 15, wherein, Also includes: An insulating sleeve (9), one end of which is detachably fitted onto the other end of the second housing portion (12) of the housing (1), The connection end (22) of the terminal (2) is housed in one end of the insulating sleeve (9).

18. The connector of claim 17, wherein, Also includes: The electrical transmission element is electrically connected to the connection end (22) of the terminal (2) and led out from the other end of the insulating sleeve (9).

19. The connector according to claim 17, characterized in that, Also includes: The sealing ring (7) is installed in an annular mounting groove on the other end of the second housing part (12). The sealing ring (7) is radially pressed between the insulating sleeve (9) and the second housing portion (12) to achieve a seal between the two.

20. The connector according to claim 17, characterized in that, Also includes: A sealing element (8) is disposed in the other end of the insulating sleeve (9) and has a through hole that allows the electrical transmission element to pass through. The seal (8) is pressed between the insulating sleeve (9) and the electrical transmission element to achieve a seal between the two.

21. The connector according to claim 17, characterized in that: A plurality of protrusions (1a) are formed at intervals in the circumferential direction on the other end of the second housing part (12), and a plurality of slots (9a) are formed at intervals in the circumferential direction on one end of the insulating sleeve (9). The plurality of protrusions (1a) and the plurality of slots (9a) respectively engage to fix the insulating sleeve (9) to the second housing part (12).

22. An electrical connection device, characterized in that, include: Insulating shell; and The connector according to any one of claims 1-21 is detachably inserted into the insulating shell.

23. The electrical connection device according to claim 22, characterized in that: The electrical connection device is a charging base or a charging gun.

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