CN210779252U - Large-current quick plugging connector - Google Patents
Large-current quick plugging connector Download PDFInfo
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- CN210779252U CN210779252U CN201921201120.2U CN201921201120U CN210779252U CN 210779252 U CN210779252 U CN 210779252U CN 201921201120 U CN201921201120 U CN 201921201120U CN 210779252 U CN210779252 U CN 210779252U
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Abstract
The utility model discloses a high-current quick plug-pull connector, which comprises a plug and a socket, wherein the outer side of the plug is provided with an insulated first shell, the inner side of the plug is provided with an electric connector, the outer end of the shell is provided with an insertion hole for connecting the electric connector, and the inner end of the shell is provided with a slot; the socket is arranged in the slot and comprises an insulated second shell and an inner conducting strip, the second shell and the conducting strip form a matched anti-falling structure, the second shell is inserted into the slot, the annular sleeve and the conducting sleeve are arranged between the second shell and the conducting strip, and the first shell and the second shell are connected through a clamping piece in a clamping mode. In the utility model, the second shell and the first shell are connected by a buckle, and the matching position of the second shell and the first shell can be adjusted according to the requirement; the anti-falling matching structure is utilized to ensure that the structures of the conducting plate and the second shell are firmer, and the needle withdrawing caused by separation is avoided; the design of the contact finger spring is adopted to lead the conductive sleeve in the plug to be tightly attached to the conductive sheet of the socket, the overcurrent capacity is high after the plugging is finished, and the temperature rise is reduced.
Description
Technical Field
The utility model relates to a heavy current connector technical field, concretely relates to quick plug connector of heavy current.
Background
The existing new energy electric automobile is driven by electric power, in order to ensure sufficient electric power, an external device is required to be utilized to charge a battery pack in the electric automobile, and in order to improve matching degree and charging efficiency, a large-current connector is usually used.
The existing large-current high-voltage power transmission connecting device has the following defects:
(1) the plug lock catch has poor reliability and is easy to fall off;
(2) the overcurrent capacity is low, and the temperature rises quickly;
(3) the risk that the plastic and the metal are not matched properly to separate and withdraw the needle exists in the use process, and the existing use requirements cannot be met.
In view of this, there is a need to improve the structure of the conventional high-current connection device to facilitate the operation and improve the over-current capability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that there is inconvenient operation, problem that overcurrent ability is low in current heavy current connecting device structure.
In order to solve the technical problem, the utility model provides a high-current quick plug connector, include:
the plug is provided with an insulated first shell on the outer side, an electric connector on the inner side, an insertion hole for connecting the electric connector on the outer end of the shell, a slot on the inner end of the shell, an annular sleeve in the slot, a conductive sleeve on the inner side of the annular sleeve, a contact finger spring fixed on the inner wall of the conductive sleeve, and a bottom connected with the electric connector;
the socket comprises an insulating second shell on the outer side and a conducting strip on the inner side, the second shell and the conducting strip form a matched anti-falling structure, the second shell is inserted into the slot, the annular sleeve and the conducting sleeve are arranged between the second shell and the conducting strip, the conducting strip is electrically connected with the power connector through the contact finger spring, and the first shell and the second shell are connected in a buckling mode through a clamping piece.
In another preferred embodiment, the first shell comprises a rubber sleeve, a shrinkage sleeve and a tail nut which are sequentially nested from inside to outside, the rubber sleeve is arranged on the periphery of the electric connector, a threaded section is further arranged on the periphery of the electric connector, the inner end of the tail nut is fixed with the threaded section, and the outer end of the tail nut forms the insertion opening.
In another preferred embodiment, a through hole is formed in the first housing, the through hole is communicated with the slot, and the clamping member includes:
the inner side of the fixed seat is provided with a spring sleeve, the outer side of the fixed seat is provided with an anti-back buckle, and a spring is arranged in the spring sleeve;
the two sides of the periphery of the push button are provided with anti-tripping parts, one side of the push button is provided with a protruding part, the inner side of the push button is provided with a limiting structure, the limiting structure is abutted against the outer end of the spring through a pin, and the first shell is provided with a sliding groove for the push button to slide;
the clamping groove is arranged on the outer peripheral surface of the second shell and is opposite to the protruding part, along with the sliding of the push button, the protruding part extends into the clamping groove, and the first shell and the second shell are clamped; the protruding part is separated from the clamping groove, and the first shell and the second shell are unlocked.
In another preferred embodiment, the engagement release preventing structure includes:
the limiting socket is arranged on the inner side of the second shell;
the limiting table is arranged at the outer end of the conducting strip, is inserted into the limiting socket and is matched with the limiting socket in shape;
the anti-falling boss is arranged on the conductive sheet, arranged on the inner side of the limiting table and abutted against the inner side surface of the limiting socket.
In another preferred embodiment, the limiting structure is a concave-convex inclined surface, a convex position of the concave-convex inclined surface is provided with a first clamping position, and a concave position of the concave-convex inclined surface is provided with a second clamping position.
In another preferred embodiment, the inner end of the electric connector is provided with a round hole, the conductive sleeve extends into the round hole, and the periphery of the bottom of the conductive sheet is provided with an insulating plug.
In another preferred embodiment, a spring groove is formed in the conductive sleeve, and the contact finger spring is placed in the spring groove.
In another preferred embodiment, a sealing ring is arranged between the second shell and the slot, and a sealing ring is arranged between the tail nut and the first shell.
In another preferred embodiment, the plug and the socket are formed by injection molding and encapsulation.
Compared with the prior art, the utility model has the advantages that the second shell and the first shell are connected by the buckle, and the matching position of the second shell and the first shell can be adjusted according to the requirement; the anti-falling matching structure is utilized to ensure that the structures of the conducting plate and the second shell are firmer, so that the problem of needle withdrawing caused by separation is avoided; the design of the contact finger spring is adopted to lead the conductive sleeve in the plug to be tightly attached to the conductive sheet of the socket, the overcurrent capacity is high after the plugging is finished, the problem that the overcurrent capacity of the traditional connector is not strong is solved, and the temperature rise is reduced.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic structural diagram of the plug of the present invention;
fig. 3 is a schematic exploded view of the plug of the present invention;
fig. 4 is a schematic structural diagram of the socket of the present invention;
fig. 5 is an exploded schematic view of the middle socket of the present invention.
Detailed Description
The utility model provides a quick plug connector of heavy current, it is right to combine the description figure and detailed implementation mode below the utility model discloses make detailed description.
As shown in fig. 1, the present invention provides a high current quick connect/disconnect connector, which includes a plug 100 and a socket 200. Plug 100 and socket 200 are used for connecting respectively filling electric pile and on-vehicle battery pack.
As shown in fig. 2 and 3, the plug 100 has an insulating first housing 110 on the outer side, a contact 116 on the inner side, an insertion opening for connecting the contact 116 on the outer end of the housing, and a slot 113 on the inner end. An annular sleeve 111 is arranged in the slot 113, a conductive sleeve 112 is arranged on the inner side of the annular sleeve 111, a contact finger spring 190 is fixed on the inner wall of the conductive sleeve 112, and the bottom of the conductive sleeve is connected with the power connector 116.
As shown in fig. 4 and 5, the socket 200 is rotatably disposed in the slot 113, and includes an outer insulating second housing 220 and an inner conductive plate 210, the second housing 220 and the conductive plate 210 form a matching anti-disengaging structure, the second housing 220 is inserted into the slot 113, the annular sleeve 111 and the conductive sleeve 112 are disposed between the second housing 220 and the conductive plate 210, the conductive plate 210 is electrically connected to the power connector 116 through the finger contact spring 190, and the first housing 110 and the second housing 220 are connected by a snap-fit connection. The conductive sleeve 112 is used as an electrical connector between the conductive sheet 210 and the contact member 116, so as to ensure the contact area between the conductive sheet 210 and the contact member 116, and avoid over-current or under-current caused by poor contact.
In the utility model, the second shell 220 is connected with the first shell 110 by a buckle, and the matching position of the two shells can be adjusted according to the requirement; the anti-falling matching structure is utilized to ensure that the structures of the conducting plate 210 and the second shell 220 are firmer, so that the problem of needle separation and needle withdrawal is avoided; by adopting the design of the finger spring 190, the conductive sleeve 112 in the plug 100 is tightly attached to the conductive sheet 210 in the socket 200, the overcurrent capacity is high after the plugging is finished, the problem that the overcurrent capacity of the traditional connector is not strong is solved, and the temperature rise is reduced.
As shown in fig. 3, the first housing 110 includes a rubber sleeve 120, a shrink sleeve 130 and a tail nut, which are sequentially nested from inside to outside, the rubber sleeve 120 is disposed on the outer periphery of the power connector 116, a threaded section 115 is further disposed on the outer periphery of the power connector 116, an inner end of the tail nut is fixed to the threaded section 115, and an outer end forms an insertion opening. The rubber sleeve 120 can be firmly sleeved on the power connection body 116 to ensure the insulation effect, meanwhile, the shrink sleeve 130 plays a role in further tightening, and the tail nut is fixed with the power connection body 116 to prevent the rubber sleeve 120, the shrink sleeve 130 and the power connection body 116 from falling off.
The first housing 110 is provided with a through hole 114, the through hole 114 is communicated with the slot 113, and the clamping member includes a fixing base 160, a push button 180 and a clamping slot 222. Wherein:
the inner side of the fixed seat 160 is provided with a spring sleeve, the outer side is provided with an anti-back buckle, and a fixed seat 161 is arranged in the spring sleeve; the anti-back-off button is used to prevent the fixing base 160 from popping out of the through hole 114.
Two sides of the periphery of the push button 180 are provided with anti-tripping devices, one side is provided with a protruding part 181, the inner side is provided with a limiting structure 182, the limiting structure 182 is abutted against the outer end of the fixed seat 161 through a pin 162, and the first shell 110 is provided with a sliding groove for the push button 180 to slide; the anti-trip mechanism prevents the push button 180 from popping out of the through-hole 114.
The clamping groove 222 is arranged on the outer peripheral surface of the second shell 220, is opposite to the protrusion 181, and along with the sliding of the push button 180, the protrusion 181 extends into the clamping groove 222, so that the first shell 110 and the second shell 220 are clamped; the protrusion 181 is disengaged from the engaging groove 222, and the first housing 110 and the second housing 220 are released from the engagement.
By utilizing the structure, the matching relation between the first shell 110 and the second shell 220 can be adjusted by hands, the lock catch function adopts the design of the gear push button 180, lock catches at different positions can be realized, and the problem of inconvenient lock catch of a common connector is solved.
Further, in the preferred embodiment, the position-limiting structure 182 is a concave-convex inclined surface, the convex position of the concave-convex inclined surface is provided with a first position-limiting detent, and the concave position of the concave-convex inclined surface is provided with a second position-limiting detent. The concave-convex inclined plane can be set into a plurality of clamping positions, and the limiting effect can be realized by utilizing the shape of the concave-convex inclined plane. The concave-convex inclined plane can be made into two peaks and one valley, the pin 162 slides on the corrugated surface, and the push button 180 pushes the elastic pin to climb up the peaks of the corrugated surface.
As shown in fig. 4, in a specific embodiment, the second housing 220 and the conductive plate 210 form a fitting anti-slip structure, which includes:
a limit socket 221 provided inside the second housing 220;
the limiting table 211 is arranged at the outer end of the conducting strip 210, the limiting table 211 is inserted into the limiting socket 221, and the shape of the limiting table is matched with that of the limiting socket 221;
the anti-falling boss 212 is disposed on the conductive plate 210, disposed on the inner side of the limiting platform 211, and abutted against the inner side surface of the limiting socket 221.
With the above structure, the conductive plate 210 is adapted to the second housing 220 and cannot rotate, and the anti-falling boss 212 prevents the conductive plate 210 from falling off to the outside.
Further, a spring slot is formed in the conductive sleeve 112, and the finger spring 190 is disposed in the spring slot. The spring slots allow the finger springs 190 to be fixed in position and always remain in contact with the conductive strips 210, thereby allowing excessive current flow.
In the specific embodiment, the inner end of the contact 116 is provided with a circular hole, the conductive sleeve 112 extends into the circular hole, and the bottom periphery of the conductive plate 210 is provided with an insulating plug 230. The conductive sleeve 112 is inserted into the round hole of the contact body 116, and the contact is firmer. The insulating plug 230 effectively prevents the end of the conductive sheet 210 from leaking electricity and from contacting other positions of the conductive sleeve 112 to cause adverse effects.
In a specific embodiment, a sealing ring 150 is disposed between the second housing 220 and the socket 113, and a sealing ring 150 is disposed between the tail nut and the first housing 110. The sealing ring 150 improves the sealing property between the first housing 110 and the second housing 220, and has waterproof and dustproof properties.
In a specific embodiment, the plug 100 and the socket 200 are formed by injection molding and encapsulation, and by adopting the processing mode, the leakage situation is effectively avoided, and the stability of the plug 100 and the socket 200 can be improved.
In the utility model, the second shell and the first shell are connected by a buckle, and the matching position of the second shell and the first shell can be adjusted according to the requirement; the anti-falling matching structure is utilized to ensure that the structures of the conducting plate and the second shell are firmer, so that the problem of needle withdrawing caused by separation is avoided; the design of the contact finger spring is adopted to lead the metal electric connector of the plug and the socket to be tightly attached, the overcurrent capacity is high after the insertion is finished, the problem that the overcurrent capacity of the traditional connector is not strong is solved, and the temperature rise is reduced.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (9)
1. A high current quick connect-disconnect connector comprising:
the plug is provided with an insulated first shell on the outer side, an electric connector on the inner side, an insertion hole for connecting the electric connector on the outer end of the shell, a slot on the inner end of the shell, an annular sleeve in the slot, a conductive sleeve on the inner side of the annular sleeve, a contact finger spring fixed on the inner wall of the conductive sleeve, and a bottom connected with the electric connector;
the socket comprises an insulating second shell on the outer side and a conducting strip on the inner side, the second shell and the conducting strip form a matched anti-falling structure, the second shell is inserted into the slot, the annular sleeve and the conducting sleeve are arranged between the second shell and the conducting strip, the conducting strip is electrically connected with the power connector through the contact finger spring, and the first shell and the second shell are connected in a buckling mode through a clamping piece.
2. The high-current quick plug-pull connector according to claim 1, wherein the first housing comprises a rubber sleeve, a shrink sleeve and a tail nut which are sequentially nested from inside to outside, the rubber sleeve is arranged on the periphery of the power connector, a threaded section is further arranged on the periphery of the power connector, the inner end of the tail nut is fixed with the threaded section, and the outer end of the tail nut forms the insertion opening.
3. The large-current quick plug-in connector according to claim 1, wherein a through hole is formed in the first housing, the through hole is communicated with the slot, and the clamping member comprises:
the inner side of the fixed seat is provided with a spring sleeve, the outer side of the fixed seat is provided with an anti-back buckle, and a spring is arranged in the spring sleeve;
the two sides of the periphery of the push button are provided with anti-tripping parts, one side of the push button is provided with a protruding part, the inner side of the push button is provided with a limiting structure, the limiting structure is abutted against the outer end of the spring through a pin, and the first shell is provided with a sliding groove for the push button to slide;
the clamping groove is arranged on the outer peripheral surface of the second shell and is opposite to the protruding part, along with the sliding of the push button, the protruding part extends into the clamping groove, and the first shell and the second shell are clamped; the protruding part is separated from the clamping groove, and the first shell and the second shell are unlocked.
4. The high current quick connect-disconnect connector of claim 1, wherein said mating anti-disengagement structure comprises:
the limiting socket is arranged on the inner side of the second shell;
the limiting table is arranged at the outer end of the conducting strip, is inserted into the limiting socket and is matched with the limiting socket in shape;
the anti-falling boss is arranged on the conductive sheet, arranged on the inner side of the limiting table and abutted against the inner side surface of the limiting socket.
5. The high-current quick plug-pull connector according to claim 3, wherein the limiting structure is a concave-convex inclined surface, a convex position of the concave-convex inclined surface is provided with a first detent, and a concave position of the concave-convex inclined surface is provided with a second detent.
6. A large-current quick plug-pull connector according to claim 1, wherein a circular hole is formed at an inner end of the contact body, the conductive sleeve extends into the circular hole, and an insulating plug is arranged on the periphery of the bottom of the conductive sheet.
7. The high current quick connect-disconnect connector of claim 1, wherein said conductive sleeve has a spring slot therein, said finger spring being disposed in said spring slot.
8. A high current quick connect-disconnect connector according to claim 2, wherein a seal ring is disposed between said second housing and said socket, and a seal ring is disposed between said tail nut and said first housing.
9. A high current quick connect/disconnect connector as recited in claim 1 wherein said plug and said receptacle are formed using a mold injection overmold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201120.2U CN210779252U (en) | 2019-07-26 | 2019-07-26 | Large-current quick plugging connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201120.2U CN210779252U (en) | 2019-07-26 | 2019-07-26 | Large-current quick plugging connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210779252U true CN210779252U (en) | 2020-06-16 |
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ID=71050023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201120.2U Active CN210779252U (en) | 2019-07-26 | 2019-07-26 | Large-current quick plugging connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210779252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053860A (en) * | 2023-03-01 | 2023-05-02 | 温州奥海电气有限公司 | Cylinder penetrating connector |
-
2019
- 2019-07-26 CN CN201921201120.2U patent/CN210779252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053860A (en) * | 2023-03-01 | 2023-05-02 | 温州奥海电气有限公司 | Cylinder penetrating connector |
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