CN220233601U - Connector of automatic charging device - Google Patents
Connector of automatic charging device Download PDFInfo
- Publication number
- CN220233601U CN220233601U CN202322173331.2U CN202322173331U CN220233601U CN 220233601 U CN220233601 U CN 220233601U CN 202322173331 U CN202322173331 U CN 202322173331U CN 220233601 U CN220233601 U CN 220233601U
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- conductive sliding
- sliding piece
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- 239000004020 conductor Substances 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a connector of an automatic charging device, which comprises a connecting female end and a connecting male end; the connecting female end comprises a conductive connecting piece, a conductive sliding piece, a first elastic piece and a second elastic piece; the conductive sliding part is arranged in the conductive connecting part in a sliding way, a groove is formed in the outer side wall of the conductive sliding part along the circumferential direction, a bulge is adjacent to the groove, the conductive sliding part is formed by connecting at least two lobes of conductors, the adjacent conductors are connected through a reset connecting part, and a plugging blind hole is formed in the conductive sliding part along the axial direction; the first elastic piece is sleeved on the conductive sliding piece along the circumferential direction; the second elastic piece is arranged in the conductive connecting piece and provides elastic restoring force for the conductive sliding piece; the connecting male end can be axially inserted into the insertion blind hole of the conductive sliding piece. The utility model can reduce the contact friction of relative motion, has constant pressure and no friction during conductive contact, improves the connection quality and prolongs the service cycle life.
Description
Technical Field
The utility model relates to the technical field of charging connectors, in particular to a connector of an automatic charging device.
Background
In the technical field of charging connection, connection quality and wear resistance are always important indexes of the connector, larger and larger currents are considered, more and more unmanned maintenance-free requirements are met, and cognition and technology in the connector field are required to be continuously updated.
High current connectors often require a very high contact pressure for a contact connection in order to achieve good connection quality and flow guiding requirements, but the tight pressure also increases the risk of wear. In the prior art, various elastic contact forms can alleviate the change of contact quality caused by abrasion to some extent, but still can not reach the cycle service life of tens of thousands times, namely contact abrasion still exists.
Disclosure of Invention
The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, the utility model aims to provide a connector of an automatic charging device, which is used for reducing contact friction of relative motion, has constant pressure and no friction during conductive contact, improves the connection quality and prolongs the service cycle life.
To achieve the above object, an embodiment of the present utility model provides a connector of an automatic charging device, including:
the connecting female end comprises a conductive connecting piece, a conductive sliding piece, a first elastic piece and a second elastic piece; the conductive sliding piece is arranged in the conductive connecting piece in a sliding way, a groove is formed in the outer side wall of the conductive sliding piece along the circumferential direction, a bulge is arranged adjacent to the groove, the conductive sliding piece is formed by connecting at least two lobes of conductors, the adjacent conductors are connected through a reset connecting piece, and a plugging blind hole is formed in the conductive sliding piece along the axial direction; the first elastic piece is sleeved on the conductive sliding piece along the circumferential direction, and is positioned at the groove position in the static state of the conductive sliding piece, and is positioned at the protrusion position in the sliding state of the conductive sliding piece; the second elastic piece is arranged in the conductive connecting piece and provides elastic restoring force for the conductive sliding piece;
the connecting male end can be axially inserted into the plugging blind hole of the conductive sliding piece and is in contact with the bottom of the plugging blind hole, and when the first elastic piece is positioned at the groove position, the radial dimension of the connecting male end is smaller than that of the plugging blind hole, so that a gap exists when the connecting male end is axially inserted into the plugging blind hole of the conductive sliding piece; when the first elastic piece is positioned at the protruding position, the radial size of the plugging blind hole is reduced, and the conductive sliding piece is tightly held by the connecting male end.
According to the connector of the automatic charging device, the first elastic piece is located at the groove position in the static state of the conductive sliding piece, the radial dimension of the connecting male end is smaller than that of the plugging blind hole, the connecting male end is axially inserted into the plugging blind hole of the conductive sliding piece, at the moment, a gap exists between the connecting male end and the plugging blind hole of the conductive sliding piece, and therefore, the connecting male end is inserted into the gap without contact before being axially inserted into the bottom of the plugging blind hole of the conductive sliding piece to be contacted with the bottom of the plugging blind hole of the conductive sliding piece, and no additional resistance exists.
When the connecting male end is axially inserted to contact with the bottom of the plugging blind hole of the conductive sliding part, the connecting male end drives the conductive sliding part to synchronously slide, at the moment, the first elastic part is positioned at the protruding position, the radial size of the plugging blind hole of the conductive sliding part is reduced due to the elastic action of the first elastic part, the conductive sliding part is tightly held by the conductive sliding part to be connected with the male end, the conductive contact surface is already attached, the conductive sliding part and the connecting male end keep advancing and retreating simultaneously, the plugging blind hole is narrowed along with the penetration of the insertion, the contact surface is compressed by the first elastic part, the plugging blind hole of the conductive sliding part is narrowed and keeps constant pretightening force, the conductive sliding part and the connecting male end do not have relative motion, friction is avoided, and abrasion is reduced.
When the connecting male end is pulled out, the conductive sliding part moves reversely under the action of the second elastic part, the conductive sliding part and the connecting male end still keep free of relative movement and friction until the conductive sliding part and the connecting male end are completely separated, so that the connecting male end is easy to insert and pull out, friction is reduced, connection is easy, and the connecting male end is particularly suitable for automatic connection. The contact friction of the relative motion can be reduced, the constant pressure is realized during conductive contact, the friction is avoided, the connection quality is improved, and the service cycle life is prolonged.
In addition, the connector of the automatic charging device according to the above embodiment of the present utility model may further have the following additional technical features:
optionally, the conductive connection forms an axial slide hole; the conductive sliding piece is arranged in the axial sliding hole in a sliding way.
Optionally, the reset connection piece between adjacent conductors of the conductive sliding piece is a conductive ball, and the conductive ball is arranged between the adjacent conductors.
Optionally, the conductive slider is formed by a tri-lobe conductor connection.
Specifically, adjacent conductors of the conductive sliding piece are connected through a conductive ball, a spherical groove is formed in the end face of each conductor, the conductive ball is arranged in the spherical groove, and part of the conductive ball protrudes out of the spherical groove.
Optionally, the first elastic member is a coil spring, and the coil spring is circumferentially disposed between the conductive sliding member and the conductive connecting member.
Specifically, the inside wall of the conductive connecting piece is provided with an accommodating groove along the circumferential direction, and the coil spring is arranged in the accommodating groove.
Optionally, the connection female end further includes an insulating housing, the insulating housing is sleeved on the conductive connecting piece, a radial blocking edge is formed at an end of the insulating housing to limit the conductive sliding piece from axially falling off, a jack communicated with the plugging blind hole of the conductive sliding piece is formed in the middle of the radial blocking edge, and the radial size of the jack is larger than that of the connection male end.
Optionally, the second elastic element is a spring, one end of the spring is sleeved on the conductive sliding element, and the other end of the spring is sleeved on the conductive connecting element.
Optionally, the axial sliding hole of the conductive connecting piece is a cylindrical hole; the plug-in blind hole of the conductive sliding piece is a cylindrical hole, and the connecting male end is cylindrical.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the utility model (with the male connector end not inserted into the conductive slider);
FIG. 3 is a second cross-sectional view of an embodiment of the present utility model (connection male inserted into conductive slider);
FIG. 4 is a third cross-sectional view of an embodiment of the present utility model (with the male end connected to slide synchronously with the conductive slider);
FIG. 5 is a schematic view of a conductive slider according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of another structure of a conductive slider according to an embodiment of the present utility model.
Description of the reference numerals
The connecting female terminal 1, the conductive connecting piece 11, the axial sliding hole 111, the conductive sliding piece 12, the groove 121, the bulge 122, the reset connecting piece 123, the plugging blind hole 124, the spherical groove 125, the first elastic piece 13, the second elastic piece 14, the insulating shell 15, the radial blocking edge 151 and the connecting male terminal 2.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a connector of an automatic charging device according to an embodiment of the present utility model includes a connection female terminal 1 and a connection male terminal 2.
The connection female terminal 1 includes a conductive connection member 11, a conductive slider 12, a first elastic member 13, and a second elastic member 14. The conductive slider 12 is slidably disposed in the conductive connector 11, alternatively the conductive connector 11 forms an axial slide hole 111, and the conductive slider 12 is slidably disposed in the axial slide hole 111. The conductive connecting piece 11 is arranged as two parts which are mutually spliced so as to facilitate processing and assembly.
The outer side wall of the conductive sliding member 12 is provided with a groove 121 along the circumferential direction, and adjacent to the groove 121 is a protrusion 122, in this embodiment, the conductive sliding member 12 is sequentially provided with the groove 121, the protrusion 122, the groove 121 and the protrusion 122 from the insertion end to the outer end. The conductive sliding part 12 is formed by connecting at least two lobes of conductors, adjacent conductors are connected through a reset connecting piece 123, and the conductive sliding part 12 is provided with a plugging blind hole 124 along the axial direction. In this embodiment, the reset connection member 123 between adjacent conductors of the conductive sliding member 12 is a conductive ball, and a conductive ball is disposed between the adjacent conductors, specifically, the conductive sliding member 12 is formed into a cylinder by connecting three-lobe conductors, the conductive ball between the adjacent conductors is connected, the conductive ball is a steel ball, a spherical groove 125 is disposed on an end surface of the conductor, and the conductive ball is disposed in the spherical groove 125 and partially protrudes out of the spherical groove 125. The conductive sliding piece 12 surrounded by the three-petal conductors forms loose insertion blind holes 124, and the three-petal conductors are restrained by embedded steel balls, so that each petal of conductor can have a gap capable of moving relatively freely and is not excessively loose and separated.
The first elastic piece 13 is sleeved on the conductive sliding piece 11 along the circumferential direction, the first elastic piece 13 is positioned at the groove 121 of the conductive sliding piece 12 in the static state of the conductive sliding piece 11, and the first elastic piece 13 is positioned at the protrusion 122 of the conductive sliding piece 12 in the sliding state of the conductive sliding piece 11. Alternatively, the first elastic member 13 is a coil spring that is circumferentially disposed between the conductive slider 12 and the conductive connector 11. Specifically, the inner side wall of the conductive connecting member 11 is provided with a receiving groove 111 in the circumferential direction, and a coil spring is disposed in the receiving groove 111.
The second elastic member 14 is provided in the conductive connecting member 11 to provide an elastic restoring force to the conductive slider 12. Optionally, the second elastic member 14 is a spring, one end of the spring is sleeved on the conductive sliding member 12, and the other end of the spring is sleeved on the conductive connecting member 11.
Optionally, the connection female end 1 further includes an insulating housing 15, the insulating housing 15 is sleeved on the conductive connecting piece 11, a radial blocking edge 151 is formed at an end of the insulating housing 15 to limit the conductive sliding piece 12 from axially falling off, a jack communicated with the plugging blind hole of the conductive sliding piece is formed in the middle of the radial blocking edge 151, and a radial dimension of the jack is larger than a radial dimension of the connection male end.
The connection male end 2 can be axially inserted into the insertion blind hole 124 of the conductive sliding member 12 and is in contact with the bottom of the insertion blind hole 124, i.e. when the connection male end 2 is inserted into the insertion blind hole 124 of the conductive sliding member 12, the connection male end 2 goes deep into the insertion blind hole 124 of the conductive sliding member 12 and finally is in contact with the bottom of the insertion blind hole 124. When the first elastic member 13 is located at the position of the groove 121 of the conductive sliding member 12, the radial dimension of the connection male end 2 is smaller than the radial dimension of the plugging blind hole 124 of the conductive sliding member 12, so that a gap exists when the connection male end 2 is axially inserted into the plugging blind hole 124 of the conductive sliding member 12. When the first elastic member 13 is located at the position of the protrusion 122 of the conductive sliding member 12, the radial dimension of the plugging blind hole 124 of the conductive sliding member 12 is reduced, the conductive sliding member 12 is tightly held by the connection male end 2, that is, the connection male end 2 is conducted with the conductive connecting member 11, that is, when the connection male end 2 is axially inserted into contact with the bottom of the plugging blind hole 124 of the conductive sliding member 11, the connection male end 2 drives the conductive sliding member 11 to slide synchronously, at this time, the first elastic member 13 is located at the position of the protrusion 122 of the conductive sliding member 12, due to the elastic action of the first elastic member 13, the radial dimension of the plugging blind hole 124 of the conductive sliding member 13 is reduced, the conductive sliding member 12 is tightly held by the connection male end 2, and the conductive contact surface is already attached to enable the connection male end 2 to be conducted with the conductive connecting member 11.
Alternatively, the axial sliding hole 111 of the conductive connecting member 11 is a cylindrical hole; the blind insertion hole 124 of the conductive slider 12 is a cylindrical hole, and the male connection end 2 is cylindrical.
In the connector of the automatic charging device according to the embodiment of the utility model, in the static state of the conductive sliding member 12, the first elastic member 13 is located at the position of the groove 121, the radial dimension of the connection male end 2 is smaller than the radial dimension of the plugging blind hole 124 of the conductive sliding member 12, and the connection male end 2 is axially inserted into the plugging blind hole 124 of the conductive sliding member 12, at this time, a gap exists between the connection male end 2 and the plugging blind hole 124 of the conductive sliding member 12, so that no contact is inserted for the gap before the connection male end 2 is axially inserted into contact with the bottom of the plugging blind hole 124 of the conductive sliding member 12, and no additional resistance is generated.
When the connecting male end 2 is axially inserted into contact with the bottom of the plugging blind hole 124 of the conductive sliding member 12, the connecting male end 2 drives the conductive sliding member 12 to synchronously slide, at this time, the first elastic member 13 is located at the position of the protrusion 122, due to the elastic action of the first elastic member 13, the radial dimension of the plugging blind hole 124 of the conductive sliding member 12 is reduced, the conductive sliding member 12 is tightly held by the connecting male end 2, the conductive contact surface is already attached, the conductive sliding member 12 and the connecting male end 2 keep advancing and retreating simultaneously, the plugging blind hole 124 is narrowed along with the insertion, the first elastic member 13 presses the contact surface, so that the plugging blind hole 124 of the conductive sliding member 12 is narrowed and keeps constant pretightening force, the conductive sliding member 12 and the connecting male end 2 do not relatively move, friction is avoided, and abrasion is reduced.
When the connecting male end 2 is pulled out, the conductive sliding piece 12 moves reversely under the action of the second elastic piece 14, and the conductive sliding piece 12 and the connecting male end 2 still keep free of relative movement and friction until the connecting male end 2 is completely separated, so that the connecting male end 2 is easy to insert and pull out, friction is reduced, connection is easy, and the connecting male end is particularly suitable for automatic connection. The contact friction of the relative motion can be reduced, the constant pressure and no friction are generated during conductive contact, the connection quality is improved, the service cycle life is prolonged, and the contact cycle of 10 ten thousand times under 1000A current is achieved through testing.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A connector for an automatic charging device, comprising:
the connecting female end comprises a conductive connecting piece, a conductive sliding piece, a first elastic piece and a second elastic piece; the conductive sliding piece is arranged in the conductive connecting piece in a sliding way, a groove is formed in the outer side wall of the conductive sliding piece along the circumferential direction, a bulge is arranged adjacent to the groove, the conductive sliding piece is formed by connecting at least two lobes of conductors, the adjacent conductors are connected through a reset connecting piece, and a plugging blind hole is formed in the conductive sliding piece along the axial direction; the first elastic piece is sleeved on the conductive sliding piece along the circumferential direction, and is positioned at the groove position in the static state of the conductive sliding piece, and is positioned at the protrusion position in the sliding state of the conductive sliding piece; the second elastic piece is arranged in the conductive connecting piece and provides elastic restoring force for the conductive sliding piece;
the connecting male end can be axially inserted into the plugging blind hole of the conductive sliding piece and is in contact with the bottom of the plugging blind hole, and when the first elastic piece is positioned at the groove position, the radial dimension of the connecting male end is smaller than that of the plugging blind hole, so that a gap exists when the connecting male end is axially inserted into the plugging blind hole of the conductive sliding piece; when the first elastic piece is positioned at the protruding position, the radial size of the plugging blind hole is reduced, and the conductive sliding piece is tightly held by the connecting male end.
2. The connector of an automatic charging device according to claim 1, wherein the conductive connecting member forms an axial slide hole; the conductive sliding piece is arranged in the axial sliding hole in a sliding way.
3. The connector of claim 1, wherein the reset connection between adjacent conductors of the conductive slider is a conductive ball, and the conductive ball is disposed between the adjacent conductors.
4. The connector of an automatic charging device according to claim 1, wherein said conductive slider is formed by three-lobe conductor connection.
5. The connector of an automatic charging device according to claim 4, wherein adjacent conductors of said conductive slider are connected by a conductive ball, a spherical groove is provided on an end face of the conductor, and said conductive ball is placed in said spherical groove, and partially protrudes from said spherical groove.
6. The connector of claim 1, wherein said first elastic member is a coil spring disposed circumferentially between said conductive slider and said conductive connector.
7. The connector of claim 6, wherein said conductive connector has a receiving groove in a circumferential direction on an inner side wall thereof, said coil spring being disposed in said receiving groove.
8. The connector of claim 1, wherein said female connector further comprises an insulating housing, said insulating housing is sleeved on said conductive connector, a radial stop is formed at an end of said insulating housing to limit axial removal of said conductive slider, a receptacle is intermediate said radial stop for communicating with said blind insertion hole of said conductive slider, and said receptacle has a radial dimension greater than a radial dimension of said male connector.
9. The connector of claim 1, wherein said second elastic member is a spring, one end of said spring is sleeved on said conductive slider, and the other end of said spring is sleeved on said conductive connector.
10. The connector of claim 1, wherein the axial slide hole of the conductive connector is a cylindrical hole; the plug-in blind hole of the conductive sliding piece is a cylindrical hole, and the connecting male end is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173331.2U CN220233601U (en) | 2023-08-11 | 2023-08-11 | Connector of automatic charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173331.2U CN220233601U (en) | 2023-08-11 | 2023-08-11 | Connector of automatic charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233601U true CN220233601U (en) | 2023-12-22 |
Family
ID=89174468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322173331.2U Active CN220233601U (en) | 2023-08-11 | 2023-08-11 | Connector of automatic charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233601U (en) |
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2023
- 2023-08-11 CN CN202322173331.2U patent/CN220233601U/en active Active
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