CN109994843B - Electric quick wiring device and electric quick junction box - Google Patents
Electric quick wiring device and electric quick junction box Download PDFInfo
- Publication number
- CN109994843B CN109994843B CN201910213762.2A CN201910213762A CN109994843B CN 109994843 B CN109994843 B CN 109994843B CN 201910213762 A CN201910213762 A CN 201910213762A CN 109994843 B CN109994843 B CN 109994843B
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- CN
- China
- Prior art keywords
- wire
- wiring
- contact
- inner shell
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010985 leather Substances 0.000 claims abstract description 12
- 239000013536 elastomeric material Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000013013 elastic material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an electric quick wiring device and an electric quick wiring box, which are characterized in that insulation layers of the heads of two wires to be wired are stripped to expose wire cores, then the wire cores of the two wires are inserted into contact grooves of wire core contact parts from release rings of the two wiring parts, and the wire core contact parts are pushed to slide downwards along the inner wall of an inner shell, so that the contact cores are electrically connected with contact ends. At this time, the wire core sleeve is contacted with the wire core and compresses the wire core, and meanwhile, the pressing piece of the wire leather sleeve is bent inwards due to the action of the lever to lock the wire insulation layer, so that the wire is prevented from loosening. When the wire is required to be taken out, the release ring is only required to be pressed downwards, at this time, the release ring is inserted between the pressing sheet and the wire insulating layer, so that the pressing sheet is separated from the wire, then the wire can be easily pulled out, and after the wire is pulled out, the wire core contact part is reset under the action of the spring. By utilizing the electric quick wiring device and the electric quick wiring box for wiring, screw compression is not needed, and the electric quick wiring device is convenient, labor-saving and safe, and can realize quick and safe wiring operation.
Description
Technical Field
The invention relates to an electrical wiring technology, in particular to an electrical quick wiring device and an electrical quick wiring box.
Background
The electric energy meter wiring device is mainly used for safely exchanging or checking electric energy meters, electric instruments, leakage protection and other electric equipment on site under the condition of load, however, the existing wiring device uses screws to compress a wire core, the number of the screws is large, time and labor are wasted, and accidents such as leakage short circuit and the like can be caused if the screws are forgotten to lock.
Disclosure of Invention
The invention mainly aims to provide an electric quick wiring device and an electric quick wiring box, which are used for solving the problems that in the prior art, the electric wiring is time-consuming and labor-consuming in a mode of using screws to compress wire cores, and accidents such as electric leakage and short circuit are easy to cause.
The invention is realized by the following technical scheme:
the electric quick wiring device comprises two wiring parts, wherein each wiring part comprises an outer shell and an inner shell, a wiring terminal is arranged at the bottom of the inner part of the outer shell, the inner shell is arranged in the outer shell, and a spring, a wire core contact part, a wire leather sleeve and a release ring are arranged in the inner shell;
the bottom of the wire core contact part forms a conical table, the spring is propped between the bottom of the inner shell and the table surface of the conical table, a contact core is arranged on the table surface of the conical table, an opening is formed in the bottom of the inner shell, a contact groove is formed in the top of the wire core contact part, and a wire core sleeve is arranged in the contact groove;
the wire leather sheath comprises an annular sheath body and a plurality of pressing sheets, the pressing sheets are connected to the annular bottom of the annular sheath body, the wire leather sheath is positioned above the wire core contact part, and the annular sheath body is attached to the inner wall of the inner shell;
the release ring is arranged at the top of the inner shell, and the annular sleeve body is clamped between the release ring and the inner wall of the inner shell;
a lever is arranged on the outer wall of the inner shell at a position corresponding to the pressing piece, one end of the lever is connected with a wedge block, the wedge block is propped against the side wall of the conical table, the other end of the lever is connected with a propping block, and the propping block is propped against the pressing piece;
the wire core contact part can slide downwards along the inner wall of the inner shell to enable the contact core to extend out of the opening and be electrically connected with the wiring terminal, and when the wire core contact part slides downwards, the side wall of the conical table pushes the wedge-shaped block to move outwards to enable the lever to tilt, so that the pressing block moves inwards to push the pressing sheet to bend inwards;
the two wiring parts are attached together in a mode that the bottoms of the shells are opposite, and the wiring terminals of the two wiring parts are electrically connected.
Further, a step is arranged on the inner wall of the inner shell.
Further, the lever is mounted in a cavity formed between the outer housing and the inner housing.
Further, the core sleeve has elasticity that generates an inward spring back force when an outward force is applied.
Further, the wire leather sheath is made of elastic materials.
Further, the inner side of the pressing sheet is provided with a plurality of rows of barb-shaped bulges from top to bottom.
Further, the rows of barb-like projections become progressively denser from top to bottom.
Further, when no downward force is applied to the core contact portion, the contact core and the terminal are in a disconnected state.
Further, the terminals of the two wiring portions are integrally connected together.
An electrical quick connector comprising a plurality of electrical quick connector devices as described above.
Compared with the prior art, when the electric quick wiring device is used for wiring, the insulation layers of the heads of the two wires to be wired are stripped to expose the wire cores, then the wire cores of the two wires are inserted into the contact grooves of the wire core contact parts from the release rings of the two wiring parts, and the wire core contact parts are pushed to slide downwards along the inner wall of the inner shell, so that the contact cores are electrically connected with the contact ends. At this time, the wire core sleeve is contacted with the wire core and compresses the wire core, and meanwhile, the pressing piece of the wire leather sleeve is bent inwards due to the action of the lever to lock the wire insulation layer, so that the wire is prevented from loosening. When the wire is required to be taken out, the release ring is only required to be pressed downwards, at this time, the release ring is inserted between the pressing sheet and the wire insulating layer, so that the pressing sheet is separated from the wire, then the wire can be easily pulled out, and after the wire is pulled out, the wire core contact part is reset under the action of the spring. The electrical rapid wiring device and the electrical rapid wiring box provided by the invention are used for wiring without screw compaction, are convenient, labor-saving and safe, and can realize rapid and safe wiring operation.
Drawings
FIG. 1 is a schematic diagram of the external configuration of an electrical quick connection device according to an embodiment of the present invention;
FIG. 2 is a schematic longitudinal cross-sectional view of an electrical quick connector according to an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of an electrical quick connector device according to an embodiment of the present invention;
FIG. 4 is a schematic view of the internal structure of the electrical quick connector according to the embodiment of the present invention;
FIG. 5 is a schematic diagram showing the internal structure of the electrical quick connection device according to the embodiment of the invention when the wire is taken out;
FIG. 6 is a schematic elevational view of the preform;
FIG. 7 is a schematic view of the longitudinal cross-sectional structure and locking principle of the tablet;
fig. 8 is a schematic structural view of an electrical quick connector according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Referring to fig. 1 to 7, an electrical quick connection device 100 according to an embodiment of the present invention includes two connection parts 1, the connection parts 1 include an outer case 2 and an inner case 3, a connection terminal 4 is installed at the bottom of the inner case 2, the inner case 3 is installed inside the outer case 2, and a spring 5, a wire core contact part 6, a wire sheath 7 and a release ring 8 are installed inside the inner case 3.
The bottom of sinle silk contact portion 6 forms toper platform 9, and spring 5 supports and presses between the bottom of inner shell 3 and the mesa 14 of toper platform 9, installs contact core 10 on the mesa 14 of toper platform 9, and trompil 11 has been seted up to the bottom of inner shell 3, and contact groove 12 has been seted up at the top of sinle silk contact portion 6, installs sinle silk cover 13 in the contact groove 12. The core sleeve 13 is a conductor and is connected to the contact groove 12 or integrally formed with the contact groove 12.
The wire leather sheath 7 comprises an annular sheath body 23 and a plurality of pressing sheets 15, the pressing sheets 15 are connected to the annular bottom of the annular sheath body 23, the wire leather sheath 7 is located above the wire core contact part 6, and the annular sheath body 23 is attached to the inner wall of the inner shell 3.
The release ring 8 is mounted on top of the inner housing 3, and the annular sleeve 23 is sandwiched between the release ring 8 and the inner wall of the inner housing 3.
A lever 16 is arranged on the outer wall of the inner shell 3 at a position corresponding to the pressing piece 15, one end of the lever 16 is connected with a wedge block 17, the wedge block 17 is propped against the side wall 18 of the conical table 9, the other end of the lever 16 is connected with a propping block 19, and the propping block 19 is propped against the pressing piece 15. The fulcrum 22 of the lever 16 may be mounted on the inner wall of the outer housing 2 or on the outer wall of the inner housing 3, preferably on the outer wall of the inner housing 3. When the lever 16 is not stressed, the wedge-shaped block 17 is lightly pressed against the side wall 18 of the conical table 9, and the pressing block 19 is lightly pressed against the pressing sheet 15.
The wire core contact part 6 can slide downwards along the inner wall of the inner shell 3, so that the contact core 10 extends out of the opening 11 and is electrically connected with the wiring terminal 4, when the wire core contact part 6 slides downwards, the side wall 18 of the conical table 9 pushes the wedge block 17 to move outwards, the lever 16 is lifted, the pressing block 19 moves inwards, and the pressing sheet 15 is pushed to bend inwards.
The two wiring parts 1 are attached together in such a manner that the bottoms of the housings 2 face each other, and the terminals 4 of the two wiring parts 1 are electrically connected.
When the electrical quick wiring device 100 is used for wiring, the insulation layers of the heads of two wires to be wired are stripped to expose the wire cores 24, then the wire cores 24 of the two wires are inserted into the contact grooves 12 of the wire core contact parts 6 from the release rings 8 of the two wiring parts 1, and the wire core contact parts 6 are pushed to slide downwards along the inner wall of the inner shell 3, so that the contact cores 10 are electrically connected with the contact ends. When the wire core 24 is inserted into the contact groove 12, the core sleeve 13 contacts the wire core 24 and compresses the wire core 24. During the downward sliding process of the wire core contact part 6, the side wall 18 of the conical table 9 can apply an outward thrust to the wedge block 17 so as to push the wedge block 17 to move outwards, so that the lever 16 is tilted, the pressing block 19 moves inwards, the inward movement of the pressing block 19 can apply an inward thrust to the pressing block 15, and the pressing block 15 is pushed to bend inwards to lock the wire insulation layer 25, so that the wire is prevented from loosening. When the wire is required to be taken out, the release ring 8 is only required to be pressed downwards, at this time, the release ring 8 is inserted between the pressing piece 15 and the wire insulating layer 25, so that the pressing piece 15 is separated from the wire, then the wire can be easily pulled out, and after the wire is pulled out, the wire core contact part 6 is reset under the action of the spring 5.
The inner wall of the inner shell 3 is provided with a step to limit the release ring 8, so that the release ring 8 is prevented from falling off.
The lever 16 is installed in a cavity 20 formed between the outer case 2 and the inner case 3, thereby preventing the lever 16 from being damaged by external impact and prolonging the service life.
The core sleeve 13 has elasticity, and generates an inward resilience force when an outward force is applied. When the wire core 24 is inserted into the contact groove 12, the wire core 24 applies an outward pressing force to the wire core sleeve 13, and at this time, the wire core sleeve 13 generates an inward elastic force due to elastic action, so as to compress the wire core 24, increase the contact area with the wire core 24, and reduce the contact resistance.
The wire leather sheath 7 is made of elastic material. Similar to the core sleeve 13 principle, the elastic material can increase the locking force between the wire sheath 7 and the wire. As shown in fig. 6 and 7, to better prevent the wire from loosening, the inner side of the presser 15 is provided with rows of barb-like projections 21 from top to bottom. The barb-shaped protrusions 21 allow easy insertion of the wire without easy removal. Preferably, the rows of barb-shaped protrusions 21 are gradually thickened from top to bottom, and the arrangement structure of the upper row of barb-shaped protrusions is thinned and the lower row of barb-shaped protrusions is thickened, so that the pressing piece 15 can ensure locking force when locking the wire, and can reduce locking force when taking out the wire, and the wire can be conveniently taken out. With respect to the direction, reference is made herein to a single wire connection portion 1, which is defined from top to bottom from one end of the release ring 8 of the wire connection portion 1 to one end of the terminal 4. The arrow direction in fig. 7 is from top to bottom, and the wire is inserted from top to bottom, and the barb of the barb-shaped protrusion 21 is downward, so that the wire is easy to insert and difficult to loose. It should be noted that, when the wire is locked by the pressing piece 15, the barb-shaped protrusion 21 may crush the insulation layer 25 of the wire due to a great locking force on the wire, so that if the wire is to be wired again after being taken out, the insulation layer 25 at the head of the wire may be crushed (typically 3 to 5 cm) is cut off and then wired again.
In order to avoid electric shock accidents in the wiring process, when no downward force is applied to the wire core contact part 6, the contact core 10 and the wiring terminal 4 are in an off state, namely, the contact core 10 and the wiring terminal 4 are connected only when the wire core 24 is inserted into the contact groove 12 and the wire core contact part 6 is continuously pushed to move downwards in place, so that the wiring safety is ensured. In order to ensure the reliability of the electrical connection between the two wiring portions 1, the terminals 4 of the two wiring portions 1 may be integrally connected together, i.e., the terminals 4 of the two wiring portions 1 form an integral structure, eliminating contact resistance, and ensuring electrical connection performance.
The embodiment of the invention also provides an electrical quick connection box, which comprises a plurality of electrical quick connection devices 100.
The above embodiments are only preferred embodiments and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The electric quick wiring device is characterized by comprising two wiring parts, wherein each wiring part comprises an outer shell and an inner shell, a wiring terminal is arranged at the bottom of the inner part of the outer shell, the inner shell is arranged in the outer shell, and a spring, a wire core contact part, a wire leather sheath and a release ring are arranged in the inner shell;
the bottom of the wire core contact part forms a conical table, the spring is propped between the bottom of the inner shell and the table surface of the conical table, a contact core is arranged on the table surface of the conical table, an opening is formed in the bottom of the inner shell, a contact groove is formed in the top of the wire core contact part, and a wire core sleeve is arranged in the contact groove;
the wire leather sheath comprises an annular sheath body and a plurality of pressing sheets, the pressing sheets are connected to the annular bottom of the annular sheath body, the wire leather sheath is positioned above the wire core contact part, and the annular sheath body is attached to the inner wall of the inner shell;
the release ring is arranged at the top of the inner shell, and the annular sleeve body is clamped between the release ring and the inner wall of the inner shell;
a lever is arranged on the outer wall of the inner shell at a position corresponding to the pressing piece, one end of the lever is connected with a wedge block, the wedge block is propped against the side wall of the conical table, the other end of the lever is connected with a propping block, and the propping block is propped against the pressing piece;
the wire core contact part can slide downwards along the inner wall of the inner shell to enable the contact core to extend out of the opening and be electrically connected with the wiring terminal, and when the wire core contact part slides downwards, the side wall of the conical table pushes the wedge-shaped block to move outwards to enable the lever to tilt, so that the pressing block moves inwards to push the pressing sheet to bend inwards;
the two wiring parts are attached together in a mode that the bottoms of the shells are opposite, and the wiring terminals of the two wiring parts are electrically connected.
2. The electrical quick connect device of claim 1 wherein said inner wall of said inner housing is provided with a step.
3. The electrical quick connect device of claim 1 wherein said lever is mounted in a cavity formed between said outer housing and said inner housing.
4. The electrical quick connect device of claim 1 wherein said core sleeve has a resiliency which when applied with an outward force creates an inward spring back force.
5. The electrical quick connect device of claim 1 wherein said wire holster is an elastomeric material.
6. The electrical quick connect device of claim 5 wherein said tabs are provided with rows of barb-like projections from top to bottom on the inside.
7. The electrical quick connect device of claim 6 wherein said rows of barb-like projections taper from top to bottom.
8. The electrical quick connect device of claim 1 wherein said contact core is in an open state with said terminal when no downward force is applied to said core contact.
9. The electrical quick connect device of claim 1 wherein the terminals of said two wire connection portions are integrally connected together.
10. An electrical quick connection box comprising a number of electrical quick connection devices according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213762.2A CN109994843B (en) | 2019-03-20 | 2019-03-20 | Electric quick wiring device and electric quick junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213762.2A CN109994843B (en) | 2019-03-20 | 2019-03-20 | Electric quick wiring device and electric quick junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109994843A CN109994843A (en) | 2019-07-09 |
| CN109994843B true CN109994843B (en) | 2024-01-30 |
Family
ID=67130709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213762.2A Active CN109994843B (en) | 2019-03-20 | 2019-03-20 | Electric quick wiring device and electric quick junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994843B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509487B (en) * | 2020-04-16 | 2021-08-17 | 贵州电网有限责任公司 | Temperature sensing secondary binding post that discolours that easily inserts |
| CN114421227B (en) * | 2022-01-07 | 2024-05-10 | 金锚电力控股有限公司 | Power supply wiring terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237603A (en) * | 2010-04-23 | 2011-11-09 | 张金秋 | Waterproof electric-shock-resistant universal power socket |
| JP2013048044A (en) * | 2011-08-29 | 2013-03-07 | Panasonic Corp | Connector |
| CN107230896A (en) * | 2017-05-26 | 2017-10-03 | 安徽江淮汽车集团股份有限公司 | Wire bundle plug-in connector |
| CN209691979U (en) * | 2019-03-20 | 2019-11-26 | 贵州电网有限责任公司 | Electrical rapid wiring device and electrical quick connector |
-
2019
- 2019-03-20 CN CN201910213762.2A patent/CN109994843B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237603A (en) * | 2010-04-23 | 2011-11-09 | 张金秋 | Waterproof electric-shock-resistant universal power socket |
| JP2013048044A (en) * | 2011-08-29 | 2013-03-07 | Panasonic Corp | Connector |
| CN107230896A (en) * | 2017-05-26 | 2017-10-03 | 安徽江淮汽车集团股份有限公司 | Wire bundle plug-in connector |
| CN209691979U (en) * | 2019-03-20 | 2019-11-26 | 贵州电网有限责任公司 | Electrical rapid wiring device and electrical quick connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109994843A (en) | 2019-07-09 |
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