Contact, charging socket and vehicle
By arranging a drainage groove in the contact housing of the charging socket, the problem of poor electrical connection caused by dust accumulation inside the contact is solved, and effective protection of the conductive terminals and stability of the electrical connection are achieved.
Patent Information
- Application Number
- CN202421132576.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Dust and debris are easily accumulated inside the contacts of the AC and DC charging socket, resulting in poor electrical connections, which may cause charging failure.
Design a contact piece with an insertion cavity and a drain groove inside the housing. A first conductive terminal is provided in the insertion cavity. The drain groove is used to discharge dust and debris to ensure the normal operation of the conductive terminal.
Through the design of the drain groove, dust and debris in the insertion cavity are effectively removed, extending the service life of the conductive terminals and ensuring the stability of the electrical connection and the success rate of charging.
Smart Images
Figure CN222380895U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the field of charging technology, and in particular to a contact piece, a charging socket and a vehicle. Background Art
[0002] The power and signal contacts of the AC / DC charging sockets are enclosed spaces. Dust and debris will accumulate inside after long-term use and cannot be discharged. When the plug gun or plug post is inserted for charging, the wear of the internal terminals of the contacts will be accelerated, resulting in ineffective electrical connection, which will cause charging failure. Utility Model Content
[0003] In order to overcome the problems existing in the related art, the present disclosure provides a contact piece, a charging socket and a vehicle to solve the technical problems existing in the related art.
[0004] According to a first aspect of an embodiment of the present disclosure, a contact piece is provided, which includes a contact piece housing and a first conductive terminal, the interior of the contact piece housing defines an insertion cavity extending along a first direction, the first conductive terminal is arranged in the insertion cavity, and an insertion port connected to the insertion cavity is formed on one side of the contact piece housing along the first direction, the insertion port is used for allowing a second conductive terminal to be inserted into the insertion cavity to make conductive contact with the first conductive terminal; the contact piece housing is formed with a first drain groove which is recessed in the second direction and connected to the insertion cavity; wherein the first direction is arranged to intersect with the second direction.
[0005] In some embodiments, the contact housing includes a first barrel section, a second barrel section, and a base that together define the insertion cavity.
[0006] The first barrel section and the second barrel section both extend along the first direction, the first barrel section has the insertion port formed at a first end along the first direction, the first barrel section has a second end along the first direction connected to the first end of the second barrel section along the first direction, and the second barrel section has a second end along the first direction connected to the base;
[0007] The first conductive terminal is disposed in the first barrel section and / or the second barrel section, and the first sewage drain is disposed in the first barrel section and / or the second barrel section.
[0008] In some embodiments, the first conductive terminal is disposed on the inner wall of the first barrel section extending along the first direction, the first drain groove is disposed on the first barrel section extending along the first direction, and the length of the first drain groove along the first direction is the same as the length of the first conductive terminal extending along the first direction; or,
[0009] The first conductive terminal is extended along the first direction and disposed on the inner wall of the second barrel section, the first drain groove is extended along the first direction and disposed on the second barrel section, and the length of the first drain groove along the first direction is the same as the length of the first conductive terminal extending along the first direction; or,
[0010] The first conductive terminal is extended along the first direction and is disposed on the inner walls of the first barrel section and the second barrel section, the first sewage drain groove is extended along the first direction and is disposed on the first barrel section and the second barrel section, and the length of the first sewage drain groove along the first direction is the same as the length of the first conductive terminal extending along the first direction.
[0011] In some embodiments, a plurality of the first drain grooves are provided, and the plurality of the first drain grooves are arranged in pairs around the insertion cavity, and each of the first drain grooves extends along the first direction.
[0012] According to a second aspect of an embodiment of the present disclosure, a charging socket is further provided, comprising a socket housing and a plurality of the contacts, wherein the plurality of the contacts are mounted on the socket housing.
[0013] In some embodiments, the socket housing includes a housing body and a plurality of mounting sleeves, and the contact members are arranged in a one-to-one correspondence with the mounting sleeves;
[0014] The housing body is recessed in the first direction to form at least one socket groove, and at least one mounting sleeve is disposed in the socket groove;
[0015] The mounting sleeve is connected to the bottom wall of the socket slot and extends along the first direction, the mounting sleeve is sleeved on the corresponding contact piece, and a sleeve opening is formed at one end of the mounting sleeve away from the bottom wall along the first direction, and the insertion port and the sleeve opening are arranged opposite to each other in the first direction;
[0016] The first direction is a horizontal direction, the first drainage groove is at least arranged below the contact element housing, and a second drainage groove arranged opposite to the first drainage groove is formed below the mounting sleeve.
[0017] In some embodiments, a drain hole is recessed in a groove side wall of the socket groove, and the drain hole is arranged below the second drain groove.
[0018] In some embodiments, the socket housing further comprises a plurality of first locking members arranged in one-to-one correspondence with the plurality of mounting sleeves, wherein the first locking members are arranged on the corresponding mounting sleeves;
[0019] The contact member is provided with a second locking member, and the second locking member can be locked with the first locking member so that the first drain groove and the second drain groove can be arranged relative to each other.
[0020] In some embodiments, the first locking member includes an elastic locking pin, which is telescopically connected to the inner wall of the mounting sleeve along the second direction; the second locking member includes a locking hole, which is recessed in the contact housing along the second direction, and the elastic locking pin is used to be inserted into the locking hole; or,
[0021] The first locking member includes a locking hole, which is recessed in the inner wall of the mounting sleeve along the second direction; the second locking member includes an elastic locking pin, which is telescopically connected to the contact member housing along the second direction, and the elastic locking pin is used to be inserted into the locking hole.
[0022] According to a third aspect of an embodiment of the present disclosure, a vehicle is also provided, comprising the charging socket.
[0023] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the first conductive terminal is arranged in the contact housing, and the contact housing can effectively protect the first conductive terminal. In the case of electrical connection, the second conductive terminal is inserted into the insertion cavity through the insertion port to make conductive contact with the first conductive terminal, thereby achieving electrical connection. In addition, the contact housing is formed with a first drainage groove that is recessed in the second direction and connected to the insertion cavity. By providing the first drainage groove, impurities such as dust and water stains in the insertion cavity can be effectively discharged, thereby avoiding the presence of dust and other impurities causing the second conductive terminal to accelerate the wear of the first conductive terminal when the electrical connection is inserted, thereby avoiding the problem of electrical connection failure.
[0024] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.
[0026] Figure 1 It is a schematic structural diagram of a contact piece according to the first embodiment of the present disclosure.
[0027] Figure 2 It is a schematic structural diagram of a contact piece according to a second embodiment of the present disclosure.
[0028] Figure 3 It is a schematic structural diagram of a contact piece according to a third embodiment of the present disclosure.
[0029] Figure 4 It is a schematic structural diagram of a charging socket according to an embodiment of the present invention.
[0030] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle.
[0031] Description of Reference Numerals
[0032] 1. Contact parts;
[0033] 11. contact housing; 110. insertion cavity; 1101. insertion port; 111. first drain slot; 112. first barrel section; 113. second barrel section; 114. base; 12. first conductive terminal; 13. second locking member;
[0034] 2. Charging socket;
[0035] 21. socket housing; 211. housing body; 2110. socket slot; 2111. slot bottom wall; 2112. slot side wall; 2113. drain hole;
[0036] 212, installation sleeve; 2120, sleeve opening; 2121, second sewage tank;
[0037] A. The first direction. DETAILED DESCRIPTION
[0038] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.
[0039] In the present disclosure, unless otherwise stated, the directional words used, such as "horizontal, up, and down", specifically refer to the horizontal, up, and down defined by the charging socket in normal use; Figure 4 As shown; the directional words used, such as "first direction", can refer to Figure 1 As shown; the directional words used such as "inside and outside" refer to the inside and outside of the specific structural outline, and the terms used such as "first and second" are only used to distinguish one element from another element, and do not have order and importance.
[0040] Reference Figures 1 to 3As shown, the present disclosure provides a contact piece, which includes a contact piece 1 and a first conductive terminal 12. The interior of the contact piece housing 11 defines an insertion cavity 110 extending along a first direction A. The first conductive terminal 12 is arranged in the insertion cavity 110, and the contact piece housing 11 is formed with an insertion port 1101 connected to the insertion cavity 110 on one side along the first direction A. The insertion port 1101 is used for allowing a second conductive terminal (not shown) to be inserted into the insertion cavity 110 to make conductive contact with the first conductive terminal 12; the contact piece housing 11 is formed with a first drain groove 111 which is recessed in the second direction and connected to the insertion cavity 110; wherein the first direction A is arranged to intersect with the second direction.
[0041] In the above technical solution, the first conductive terminal 12 is arranged in the contact housing 11, and the contact housing 11 can effectively protect the first conductive terminal 12. In the case of electrical connection, the second conductive terminal is inserted into the insertion cavity 110 through the insertion port 1101 to make conductive contact with the first conductive terminal 12, thereby achieving electrical connection. In addition, the contact housing 11 is formed with a first drainage groove 111 that is recessed in the second direction and communicates with the insertion cavity 110. By providing the first drainage groove 111, impurities such as dust and water stains in the insertion cavity 110 can be effectively discharged, thereby avoiding the presence of impurities such as dust that accelerates the wear of the first conductive terminal 12 when the second conductive terminal is inserted for electrical connection, thereby avoiding the problem of electrical connection failure.
[0042] Optionally, the first conductive terminal 12 may be a torsion spring terminal or a crown spring terminal, but the present disclosure does not limit the specific type of the first conductive terminal 12 .
[0043] Optionally, refer to Figures 1 to 3 As shown, the contact housing 11 includes a first barrel section 112, a second barrel section 113 and a base 114 which jointly define an insertion cavity 110. The first barrel section 112 and the second barrel section 113 both extend along a first direction A. An insertion port 1101 is formed at a first end of the first barrel section 112 along the first direction A. The second end of the first barrel section 112 along the first direction A is connected to the first end of the second barrel section 113 along the first direction A. The second end of the second barrel section 113 along the first direction A is connected to the base 114. The first conductive terminal 12 is disposed in the first barrel section 112 and / or the second barrel section 113. The first drain trough 111 is disposed in the first barrel section 112 and / or the second barrel section 113.
[0044] In this embodiment, the first barrel section 112, the second barrel section 113 and the base 114 are simple in structure design and easy to manufacture. However, the present disclosure does not limit the specific structure of the contact housing 11. In addition, there are several specific embodiments for the arrangement of the first conductive terminal 12 and the first drain tank 111:
[0045] ①. The first conductive terminal 12 is arranged on the first barrel section 112, and the first drain groove 111 is arranged on the first barrel section 112. ②. The first conductive terminal 12 is arranged on the first barrel section 112, and the first drain groove 111 is arranged on the second barrel section 113. ③. The first conductive terminal 12 is arranged on the first barrel section 112, and the first drain groove 111 is arranged on the first barrel section 112 and the second barrel section 113. ④. The first conductive terminal 12 is arranged on the second barrel section 113, and the first drain groove 111 is arranged on the first barrel section 112. ⑤. The first conductive terminal 12 is arranged on the second barrel section 113, and the first drain groove 111 is arranged on the second barrel section 113. ⑥. The first conductive terminal 12 is arranged on the second barrel section 113, and the first drain groove 111 is arranged on the first barrel section 112 and the second barrel section 113. ⑦. The first conductive terminal 12 is disposed on the first barrel section 112 and the second barrel section 113, and the first drain groove 111 is disposed on the first barrel section 112. ⑧. The first conductive terminal 12 is disposed on the first barrel section 112 and the second barrel section 113, and the first drain groove 111 is disposed on the second barrel section 113. ⑨. The first conductive terminal 12 is disposed on the first barrel section 112 and the second barrel section 113, and the first drain groove 111 is disposed on the first barrel section 112 and the second barrel section 113. In the arrangement schemes of the above-mentioned various embodiments, the first drain groove 111 can effectively drain the first conductive terminal 12 in the insertion cavity 110, thereby ensuring the normal use of the first conductive terminal 12.
[0046] In one embodiment, the first conductive terminal 12 is extended along the first direction A and is disposed on the inner wall of the first barrel section 112, the first drain groove 111 is extended along the first direction A and is disposed on the first barrel section 112, and the length of the first drain groove 111 along the first direction A is the same as the length of the first conductive terminal 12 extending along the first direction A.
[0047] In another embodiment, the first conductive terminal 12 is extended along the first direction A and is disposed on the inner wall of the second barrel section 113, the first drain groove 111 is extended along the first direction A and is disposed on the second barrel section 113, and the length of the first drain groove 111 along the first direction A is the same as the length of the first conductive terminal 12 extending along the first direction A.
[0048] In other embodiments, the first conductive terminal 12 is extended along the first direction A and is disposed on the inner walls of the first barrel section 112 and the second barrel section 113, the first drain groove 111 is extended along the first direction A and is disposed on the first barrel section 112 and the second barrel section 113, and the length of the first drain groove 111 along the first direction A is the same as the length of the first conductive terminal 12 extending along the first direction A.
[0049] In the above three embodiments, by making the sizes of the two in the first direction A the same, the drainage effect of the first drain groove 111 on the first conductive terminal 12 can be effectively improved, and the service life of the first conductive terminal 12 can be extended. However, the present disclosure does not limit the size of the first drain groove 111 and the first conductive terminal 12. In addition, for the shape of the first drain groove 111, it can be constructed as a rectangular groove, but the present disclosure does not limit the specific shape of the first drain groove 111. In addition, for the molding method of the first drain groove 111, it can be formed by machining or stamping, but the present disclosure does not limit the specific molding method of the first drain groove 111.
[0050] In one embodiment, referring to Figure 1 and Figure 3 As shown, a plurality of first drain grooves 111 can be provided, and the plurality of first drain grooves 111 are arranged in pairs around the insertion cavity 110, and each first drain groove 111 extends along the first direction A. By providing a plurality of first drain grooves 111, the draining effect is further improved.
[0051] In addition, the first direction A mentioned above can be a horizontal direction, the insertion cavity 110 can be arranged along a first axis extending in the horizontal direction, and the second direction mentioned above can be a radial direction perpendicular to the first axis. Based on this, for the arrangement of the first drainage groove 111, it can be set to one, and the one first drainage groove 111 can be set at the bottom of the contact housing 11 and extend in a direction parallel to the first axis, so as to facilitate the dust, water stains and other impurities in the insertion cavity 110 to be discharged downward under the action of gravity. Alternatively, the first drainage groove 111 can also be arranged in multiple, multiple first drainage grooves 111 are arranged around the first axis, and the first drainage groove 111 extends in a direction parallel to the first axis to improve the drainage effect.
[0052] Reference Figure 4 and Figure 5 As shown, the present disclosure further provides a charging socket, which includes a socket housing 21 and a plurality of the above-mentioned contacts 1 , wherein the plurality of contacts 1 are installed in the socket housing 21 .
[0053] In an alternative embodiment, referring to Figure 4As shown, the socket housing 21 includes a housing body 211 and a plurality of mounting sleeves 212, and the contact 1 and the mounting sleeves 212 are arranged one by one; the housing body 211 is recessed with at least one socket groove 2110 in the first direction A, and at least one mounting sleeve 212 is arranged in the socket groove 2110; the mounting sleeve 212 is connected to the groove bottom wall 2111 of the socket groove 2110 and extends along the first direction A, the mounting sleeve 212 is sleeved on the corresponding contact 1, and the end of the mounting sleeve 212 away from the groove bottom wall 2111 along the first direction A is formed with a sleeve opening 2120, and the insertion port 1101 and the sleeve opening 2120 are arranged opposite to each other in the first direction A. The first direction A is a horizontal direction, the first drainage groove 111 is at least arranged below the contact housing 11, and a second drainage groove 2121 arranged opposite to the first drainage groove 111 is formed below the mounting sleeve 212.
[0054] In this embodiment, firstly, the housing body 211 is recessed with at least one socket groove 2110 in the first direction A, and the socket groove 2110 facilitates the insertion of the corresponding plug (not shown), ensuring the stability and accuracy of the plug insertion. Secondly, the mounting sleeve 212 disposed in the socket groove 2110 is used to be sleeved on the corresponding contact 1, so that the contact 1 can be effectively protected. In addition, a sleeve opening 2120 is formed at one end of the mounting sleeve 212 away from the groove bottom wall 2111 along the first direction A, and the insertion port 1101 and the sleeve opening 2120 are arranged opposite to each other in the first direction A, which facilitates the insertion of the second conductive terminal on the plug. In addition, a second drainage groove 2121 arranged opposite to the first drainage groove 111 is formed below the mounting sleeve 212, so that the dirt discharged from the contact 1 can be discharged through the second drainage groove 2121, avoiding the accumulation of dirt in the mounting sleeve 212, and ensuring that the contact 1 can be electrically connected normally under the premise of realizing the drainage function.
[0055] Reference Figure 5 As shown, the groove side wall 2112 of the socket groove 2110 is recessed with a drainage hole 2113, and the drainage hole 2113 is arranged below the second drainage groove 2121. After the dirt is discharged through the first drainage groove 111 and the second drainage groove 2121 in sequence, it enters the socket groove 2110, and then the dirt can be discharged from the socket groove 2110 through the drainage hole 2113 to avoid the accumulation of dirt.
[0056] Optionally, the socket housing 21 further includes a plurality of first locking members arranged in one-to-one correspondence with the plurality of mounting sleeves 212, and the first locking members are arranged on the corresponding mounting sleeves 212; the contact member 1 is provided with a second locking member 13, and the second locking member 13 can be mutually locked with the first locking member, so that the first drainage groove 111 and the second drainage groove 2121 can be arranged relative to each other. That is, it is ensured that the first drainage groove 111 and the second drainage groove 2121 can maintain a relative arrangement relationship, ensure that the dirt can be discharged normally, and also ensure the stability of the contact member 1 installed on the mounting sleeve 212. The present disclosure does not limit the specific structure of the first locking member and the second locking member, and it is sufficient that they can be effectively locked.
[0057] For example, the first locking member may include an elastic locking pin, which is telescopically connected to the inner wall of the mounting sleeve 212 along the second direction; the second locking member 13 includes a locking hole, which is recessed in the contact housing 11 along the second direction, and the elastic locking pin is used to be inserted into the locking hole; or,
[0058] The first locking member includes a locking hole, which is recessed in the inner wall of the mounting sleeve 212 along the second direction; the second locking member 13 includes an elastic locking pin, which is telescopically connected to the contact housing 11 along the second direction A, and the elastic locking pin is used to be inserted into the locking hole. The locking cooperation between the elastic locking pin and the locking hole can effectively lock the position of the contact 1 relative to the mounting sleeve 212, but the present disclosure does not limit the specific structures of the first locking member and the second locking member.
[0059] The present disclosure further provides a vehicle, which includes the above-mentioned charging socket 2, and a charging gun of a charging pile can be inserted into the charging socket 2 for electrical connection to charge the vehicle.
[0060] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the present disclosure. This application is intended to cover any variations, uses or adaptations of the present disclosure, which follow the general principles of the present disclosure and include common knowledge or customary technical means in the art that are not disclosed in the present disclosure. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.
[0061] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims
1. A contact, characterized in that: The contact piece includes a contact piece housing and a first conductive terminal, the interior of the contact piece housing defines an insertion cavity extending along a first direction, the first conductive terminal is arranged in the insertion cavity, and the contact piece housing is formed with an insertion port connected to the insertion cavity on one side along the first direction, the insertion port is used for allowing the second conductive terminal to be inserted into the insertion cavity to make conductive contact with the first conductive terminal; the contact piece housing is formed with a first drain groove recessed in the second direction and connected to the insertion cavity; wherein the first direction is arranged to intersect with the second direction.
2. The contact according to claim 1, characterized in that: The contact housing comprises a first barrel section, a second barrel section and a base which together define the insertion cavity. The first barrel section and the second barrel section both extend along the first direction, the first barrel section has the insertion port formed at a first end along the first direction, the first barrel section has a second end along the first direction connected to the first end of the second barrel section along the first direction, and the second barrel section has a second end along the first direction connected to the base; The first conductive terminal is disposed in the first barrel section and / or the second barrel section, and the first sewage drain is disposed in the first barrel section and / or the second barrel section.
3. The contact piece according to claim 2, characterized in that: The first conductive terminal is extended along the first direction and disposed on the inner wall of the first barrel section, the first sewage discharge groove is extended along the first direction and disposed on the first barrel section, and the length of the first sewage discharge groove along the first direction is the same as the length of the first conductive terminal extending along the first direction; or, The first conductive terminal is extended along the first direction and disposed on the inner wall of the second cylinder section, the first drainage groove is extended along the first direction and disposed on the second cylinder section, and the length of the first drainage groove along the first direction is the same as the length of the first conductive terminal extending along the first direction; or, The first conductive terminal is extended along the first direction and is disposed on the inner walls of the first barrel section and the second barrel section, the first sewage drain groove is extended along the first direction and is disposed on the first barrel section and the second barrel section, and the length of the first sewage drain groove along the first direction is the same as the length of the first conductive terminal extending along the first direction.
4. The contact according to any one of claims 1 to 3, characterized in that: The first drainage grooves are provided in plurality, and the plurality of first drainage grooves are arranged in pairs around the insertion cavity, and each of the first drainage grooves is extended along the first direction.
5. A charging socket, characterized in that: The charging socket comprises a socket housing and a plurality of contacts according to any one of claims 1 to 4, wherein the plurality of contacts are mounted on the socket housing.
6. The charging socket according to claim 5, characterized in that: The socket housing comprises a housing body and a plurality of mounting sleeves, and the contact members are arranged in one-to-one correspondence with the mounting sleeves; The housing body is recessed in the first direction to form at least one socket groove, and at least one mounting sleeve is disposed in the socket groove; The mounting sleeve is connected to the bottom wall of the socket slot and extends along the first direction, the mounting sleeve is sleeved on the corresponding contact piece, and a sleeve opening is formed at one end of the mounting sleeve away from the bottom wall along the first direction, and the insertion port and the sleeve opening are arranged opposite to each other in the first direction; The first direction is a horizontal direction, the first drainage groove is at least arranged below the contact element housing, and a second drainage groove arranged opposite to the first drainage groove is formed below the mounting sleeve.
7. The charging socket according to claim 6, characterized in that: A drainage hole is recessed in the side wall of the socket groove, and the drainage hole is arranged below the second drainage groove.
8. The charging socket according to claim 6, characterized in that: The socket housing further comprises a plurality of first locking members arranged in one-to-one correspondence with the plurality of mounting sleeves, wherein the first locking members are arranged on the corresponding mounting sleeves; The contact member is provided with a second locking member, and the second locking member can be locked with the first locking member so that the first drain groove and the second drain groove can be arranged relative to each other.
9. The charging socket according to claim 8, characterized in that: The first locking member includes an elastic locking pin, which is telescopically connected to the inner wall of the mounting sleeve along the second direction; the second locking member includes a locking hole, which is recessed in the contact housing along the second direction, and the elastic locking pin is used to be inserted into the locking hole; or, The first locking member includes a locking hole, which is recessed in the inner wall of the mounting sleeve along the second direction; the second locking member includes an elastic locking pin, which is telescopically connected to the contact member housing along the second direction, and the elastic locking pin is used to be inserted into the locking hole.
10. A vehicle, characterized in that: The vehicle comprises the charging socket according to any one of claims 5-9.