CN114284795B - Quick-plug structure connector - Google Patents
Quick-plug structure connector Download PDFInfo
- Publication number
- CN114284795B CN114284795B CN202111668931.5A CN202111668931A CN114284795B CN 114284795 B CN114284795 B CN 114284795B CN 202111668931 A CN202111668931 A CN 202111668931A CN 114284795 B CN114284795 B CN 114284795B
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- China
- Prior art keywords
- base
- contact piece
- movable contact
- buckle
- inner base
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- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 230000013011 mating Effects 0.000 claims 1
- 238000010891 electric arc Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a quick-plug structure connector, which comprises: the plug comprises a base and a contact piece, wherein the contact piece is fixedly arranged in the base, the front end of the base is used for being connected with a power socket in a matched mode, and the tail end of the base is used for being connected with equipment or a cable assembly; the inner base component is fixedly arranged in the outer base, the spring is arranged in the movable contact piece, and the fixed contact piece is arranged in the movable contact piece and is propped against the spring; the inner base is in sliding connection with the movable contact piece to realize axial sliding; the sliding blocks are arranged on two sides of the movable contact piece and are fixedly connected with the movable contact piece; the sliding blocks at two sides are connected through a fixed plate; the sliding block is movably connected with one end of the buckle through the reset elastic piece; the socket is in butt joint with the plug, the buckle is in contact with the base, the inner base is driven, the fixed contact piece moves forward, and the movable contact piece is connected with the plug contact piece.
Description
Technical Field
The invention relates to a quick-plug structure connector, and belongs to the technical field of electric connectors.
Background
The power connector is widely applied to various power systems, the power connector is required to have a large through-flow capacity and a good heat dissipation structure, in certain occasions, users need to plug in and out in a live manner, an arc can occur in the live plug-in process, as the arc temperature is high, if the arc cannot be extinguished in a short time, plastic and contact pieces can be burnt out, and electrical equipment can possibly cause the risks of ignition, explosion and the like, and even endanger personal safety;
the common arc extinguishing mode is air flow arc blowing, the arc is quickly blown and distorted to strengthen arc cooling, but the method is applied to equipment with enough space, a connector product cannot be adopted due to insufficient space, quartz sand is adopted on a fuse wire for arc extinguishing, a metal gate arc extinguishing cover is adopted on a circuit breaker, sulfur hexafluoride gas is adopted in a high-voltage switch, a vacuum lamp is adopted as an arc extinguishing medium, and the arc extinguishing modes cannot be realized on the connector due to the fact that larger space is required;
the connector is provided with a magnetic blow-out mode, the electric arc is elongated through the action of a magnetic field, but the mode is only applied to occasions with smaller power, and for a high-power connector, the magnetic field force hardly acts on the deflection of the electric arc due to larger voltage and current and can be diffused to peripheral plastics, so that the connector is easy to burn and fuse and even fires.
Disclosure of Invention
The invention aims to provide a quick-plug structure connector, which solves the defect that the prior art is easy to burn and melt and even fires.
A quick connect structural connector comprising:
the plug comprises a base and a contact piece, wherein the contact piece is fixedly arranged in the base, the front end of the base is used for being connected with a power socket in a matched mode, and the tail end of the base is used for being connected with equipment or a cable assembly;
a socket comprising an outer base, an inner base assembly, a stationary contact and a spring; the inner base assembly comprises an inner base, a movable contact piece, a sliding block and a buckle;
the inner base component is fixedly arranged in the outer base, the spring is arranged in the movable contact piece, and the fixed contact piece is arranged in the movable contact piece and is propped against the spring;
the inner base is in sliding connection with the movable contact piece to realize axial sliding;
the sliding blocks are arranged on two sides of the movable contact piece and fixedly connected with the movable contact piece to realize circumferential positioning; the sliding blocks at two sides are connected through a fixed plate;
the sliding block is movably connected with one end of the buckle through the reset elastic piece;
the socket is in butt joint with the plug, the buckle is in contact with the base, the inner base is driven, the fixed contact piece moves forward, and the movable contact piece is connected with the plug contact piece.
Further, the tail end of the inner base is provided with a hole, and the inner base is fixedly connected with the outer base through a screw.
Further, the front end of the inner base is provided with a through hole which is matched with the movable contact piece to axially slide.
Further, a sliding groove matched with the sliding block is formed in the middle of the inner base, so that circumferential positioning is achieved.
Further, the movable contact piece comprises a body, a butt joint part, a sliding block fixing surface and a hole, wherein the body is in sliding fit with the inner base hole to realize axial movement, the sliding block is installed on the fixing surface, and the hole is used for installing a spring.
Further, the bottom surface of the sliding block is flatly attached to the fixed surface of the movable contact.
Further, the buckle is connected with the sliding block through the rotary pin A, so that the buckle rotates around the rotary pin A.
Further, the inner base is provided with an outer protruding block, when the outer protruding block moves to the tail end of the buckle, the protruding block pushes the tail end of the buckle to rotate inwards, and when the head of the buckle rotates to be separated from the end face of the plug base, the movable contact piece is rapidly pushed forwards under the action of a spring.
Compared with the prior art, the invention has the beneficial effects that: the structure of the invention can realize the rapid insertion function of the connector, can avoid the damage of the electric arc to the connector due to lower insertion speed or un-inserted position when in hot plug, and can avoid fire disaster.
Drawings
FIG. 1 is a schematic view of a plug structure according to the present invention;
FIG. 2 is a cross-sectional view of a plug according to the present invention;
FIG. 3 is a schematic view of a socket according to the present invention;
FIG. 4 is a cross-sectional view of a receptacle according to the present invention;
FIG. 5 is an exploded view of the inner base assembly of the present invention;
FIG. 6 is a schematic view of the inner base assembly of the present invention;
FIG. 7 is a partial cross-sectional view of an inner base member of the present invention;
FIG. 8 is a schematic view of a movable contact structure according to the present invention;
FIG. 9 is a schematic view of a structure of a fixing plate according to the present invention;
FIG. 10 is a schematic view of a slider structure according to the present invention;
FIG. 11 is a schematic view of a buckle structure according to the present invention;
FIG. 12 is a schematic diagram of a reset spring plate structure according to the present invention;
FIG. 13 is a schematic view showing an initial state of contact between the end surface of the buckle and the end surface of the base;
FIG. 14 is a partial schematic view of the clasp in contact with the base end surface;
FIG. 15 is a schematic view of a snap-on and release state;
FIG. 16 is a partial schematic view of a snap-release;
the base assembly of fig. 17 is shown in a snap-in configuration.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 4, the plug 1 of the present invention is composed of a base 11, a contact 12, the contact 12 is fixed in the base 11, a front end 111 of the base is connected with a power socket in a matching manner, and a tail end 112 of the base can be connected with a device or a cable assembly.
The socket 2 of the present invention is composed of an outer base 21, an inner base component, a fixed contact 24, and a spring 25, wherein the fixed contact 24 is fixed in the outer base 21, and the spring 25 is assembled in the inner base component.
Referring to fig. 5 to 7, the inner base assembly is composed of an inner base 22, a movable contact 23, a fixed plate 26, a sliding block 27, a buckle 28, a reset spring 29, a rotating pin a and a fixed pin B, wherein a hole 221 is formed at the tail end of the inner base 22, the inner base 22 is fixedly connected with the outer base 21 through a screw, a through hole 222 is formed in the inner base 22 and is matched with the movable contact 23 to realize axial sliding, a sliding groove 223 is formed in the middle portion of the inner base assembly and is matched with the sliding block 27 to realize circumferential positioning.
The middle part of the movable contact 23 is connected with the sliding block 27, and is fixed by the fixing plate 26 and the fixing pin B, so that the movable contact 23 is ensured to axially move in the inner base 22.
The sliding block 27 is connected with the buckle 28 through a reset spring piece 29 and a rotary pin A; referring to fig. 8, the movable contact 23 is composed of a body 231, a butt joint portion 232, a slider fixing surface 233 and a hole 234, wherein the body 231 is matched with the inner base hole 222 to realize axial movement, the slider 27 is mounted on the fixing surface 233, and the spring 25 is mounted in the hole.
Referring to fig. 9 to 12, the slider 27 is fixed to the movable contact 23, wherein the bottom surface 271 is flush with the movable contact fixing surface 233, and the fixing pin 2B is installed in the fixing plate hole 262 and the slider hole 275, so as to achieve reliable fixing by riveting.
The rotation pin a is installed in the fastening hole 283 and the slide hole 274, so that the fastening 28 can rotate around the rotation pin 2A.
The middle circular arc 291 of the reset spring 29 is arranged in the rotary pin A, the end surface 292 is fixed in the slide block groove 273, the tail surface 293 is attached to the upper end surface 282 of the buckle 28, and the buckle 28 can be ensured to return to the initial state when not subjected to external force.
Referring to fig. 13 to 14, in the process of docking the plug 1 with the socket 2, the front end face 281 of the buckle 28 contacts with the base end face 113, at this time, the buckle 28 receives an outward torque, and due to the limit of the front end 276 face of the fixing plate, the buckle 28 cannot turn outwards, at this time, the movable contact 2 keeps a certain distance B from the plug contact 12, and according to the voltage and current of the product, the minimum distance between the contacts can be determined, so that no arc can be generated between the two contacts.
The socket 2 continues to move forward, driving the inner base 22 and the fixed contact 24 forward, at which time the movable contact 23 remains stationary and the spring 25 is compressed.
Referring to fig. 15 to 16, when the outer protrusion 224 of the inner base 22 moves to the tail end surface 284 of the buckle 28, the protrusion 224 pushes the tail end surface 284 of the buckle to rotate inwards, and when the head of the buckle 28 rotates to be separated from the end surface of the plug base 21, the movable contact 23 is pushed forward rapidly under the action of the spring 25.
Referring to fig. 17, even if the outer base 21 is not moved forward any more, the spring 25 can push the movable contact 23 and the catch 28 forward a certain distance, ensuring the reliable connection of the movable contact 23 and the plug contact 12.
In the present invention, the plug contact 12 is fixed to the plug base 11, the socket inner base 22, the fixed contact 24 is fixed to the outer base 21, and the clip 28 is connected to the movable contact 23 via the slider 27, and slides in the inner base 22 hole together with the movable contact 23. One end of the movable contact 23 is always connected with the fixed contact 24, and the other end is connected with the plug contact 12 in an opposite-plug manner. In the plug and socket insertion process, the end face of the buckle 28 firstly props against the end face of the plug base 11, at the moment, the movable contact 23 and the plug contact 12 keep a certain distance, electric arcs are avoided between the two contacts, the socket 2 continues to move forwards, the movable contact 23 is kept motionless, the spring 25 is compressed, when the socket 2 moves to a certain position, the lug on the inner base 22 drives the buckle 28 to rotate, the end face of the buckle 28 is separated from the end face of the plug base 11, and at the moment, the movable contact 23 is rapidly pushed forwards under the action of the spring 25 until being in conductive connection with the plug contact 12. The structure can realize the rapid insertion function of the connector, can avoid the damage of the electric arc to the connector due to the lower insertion speed or the fact that the electric arc is not inserted in place when the connector is inserted and pulled out in a live mode, and can avoid fire occurrence.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. A quick connect structural connector, comprising:
the plug comprises a base and a contact piece, wherein the contact piece is fixedly arranged in the base, the front end of the base is used for being connected with a power socket in a matched mode, and the tail end of the base is used for being connected with equipment or a cable assembly;
a socket comprising an outer base, an inner base assembly, a stationary contact and a spring; the inner base assembly comprises an inner base, a movable contact piece, a sliding block and a buckle;
the inner base component is fixedly arranged in the outer base, the spring is arranged in the movable contact piece, and the fixed contact piece is arranged in the movable contact piece and is propped against the spring;
the inner base is in sliding connection with the movable contact piece to realize axial sliding;
the sliding blocks are arranged on two sides of the movable contact piece and fixedly connected with the movable contact piece to realize circumferential positioning; the sliding blocks at two sides are connected through a fixed plate;
the sliding block is movably connected with one end of the buckle through the reset elastic piece;
the socket is in butt joint with the plug, the buckle is in contact with the base, and the inner base and the fixed contact piece are driven to move forwards, so that the movable contact piece is connected with the plug contact piece;
the inner base is provided with an outer lug, when the outer lug moves to the tail end of the buckle, the lug pushes the tail end of the buckle to rotate outwards, when the buckle head rotates to be separated from the end face of the plug base, the lug contacts with the tail end of the buckle, the buckle head rotates inwards, and the movable contact piece advances forwards under the action of the spring.
2. The quick connect coupler of claim 1, wherein the rear end of the inner base is provided with a hole fixedly connected to the outer base by a screw.
3. The quick connect coupler of claim 1, wherein said inner base end defines a through bore for axial sliding engagement with the movable contact.
4. The quick connector as defined in claim 1, wherein the middle portion of the inner base is provided with a sliding groove for engaging with the sliding block to realize positioning in the circumferential direction.
5. The quick connect coupler of claim 1, wherein the movable contact comprises a body, a mating portion, a slider mounting surface, and a bore, the body slidably engaging the inner base bore for axial movement, the mounting surface mounting the slider, the bore for mounting the spring.
6. The quick connect coupler of claim 5, wherein the bottom surface of the slider is flush with the stationary surface of the movable contact.
7. The quick connect coupler of claim 1, wherein the clasp is coupled to the slider via a swivel pin a such that the clasp rotates about the swivel pin a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111668931.5A CN114284795B (en) | 2021-12-31 | 2021-12-31 | Quick-plug structure connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111668931.5A CN114284795B (en) | 2021-12-31 | 2021-12-31 | Quick-plug structure connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114284795A CN114284795A (en) | 2022-04-05 |
| CN114284795B true CN114284795B (en) | 2024-01-23 |
Family
ID=80879350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111668931.5A Active CN114284795B (en) | 2021-12-31 | 2021-12-31 | Quick-plug structure connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114284795B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557057A (en) * | 2008-04-10 | 2009-10-14 | 贵州航天电器股份有限公司 | Electric connector capable of switching short circuit and open circuit between contacts |
| CN206864698U (en) * | 2017-06-19 | 2018-01-09 | 上海航天科工电器研究院有限公司 | A kind of plug of power connector of four cores rectangle fast insert-pull |
| CN112821138A (en) * | 2020-12-30 | 2021-05-18 | 华为技术有限公司 | Electric connector and electric equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066442B (en) * | 2012-11-30 | 2015-10-21 | 重庆富士特电控有限公司 | The plugs and sockets of employing face contact |
-
2021
- 2021-12-31 CN CN202111668931.5A patent/CN114284795B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557057A (en) * | 2008-04-10 | 2009-10-14 | 贵州航天电器股份有限公司 | Electric connector capable of switching short circuit and open circuit between contacts |
| CN206864698U (en) * | 2017-06-19 | 2018-01-09 | 上海航天科工电器研究院有限公司 | A kind of plug of power connector of four cores rectangle fast insert-pull |
| CN112821138A (en) * | 2020-12-30 | 2021-05-18 | 华为技术有限公司 | Electric connector and electric equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114284795A (en) | 2022-04-05 |
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