CN110600897A - Electric wiring terminal - Google Patents
Electric wiring terminal Download PDFInfo
- Publication number
- CN110600897A CN110600897A CN201811571056.7A CN201811571056A CN110600897A CN 110600897 A CN110600897 A CN 110600897A CN 201811571056 A CN201811571056 A CN 201811571056A CN 110600897 A CN110600897 A CN 110600897A
- Authority
- CN
- China
- Prior art keywords
- wire
- limit
- edge
- shell
- elastic sheet
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 89
- 239000012634 fragment Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000002788 crimping Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 235000014676 Phragmites communis Nutrition 0.000 description 12
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to an electrical terminal. The electric wiring terminal comprises a shell, a threading channel is arranged in the shell, a conducting plate is arranged on one side of the threading channel in the shell, a wire pressing elastic sheet is arranged on the opposite side of the conducting plate, the wire pressing elastic sheet is a bent elastic sheet comprising a first edge and a second edge, an opening formed by the first edge and the second edge faces to the direction of wire insertion, one end of the first edge is fixed relative to the shell, the second edge is close to the conducting plate in the direction of wire insertion and extends in an inclined mode, an operating handle is further rotatably installed on the shell and has a cam jacking face, the first edge can enable the second edge to be close to and far away from the conducting plate when the operating handle is rotated, the wire is pushed forwards in an inclined mode when the second edge moves towards the conducting plate and is compressed on the conducting plate, and the wire is pulled backwards in an inclined mode when the second edge moves away from the conducting plate. The problem that the wire cannot be completely pressed on the conductive sheet in the crimping process is avoided, and the wire cannot be withdrawn when the wire is loosened is avoided.
Description
Technical Field
The present invention relates to electrically conductive connection devices, and more particularly to an electrical terminal.
Background
At the job site of communications facilities or electrical equipment, often use electric connection terminal, traditional electric connection terminal is provided with the body of taking the line hole, and the line ball screw is equipped with on the body, fixes the wire through the line ball screw, adopts line ball screw line ball mode to exist and does the line inconvenient, manual operation line ball screw inaccurate, the poor reliability and the inefficiency scheduling problem to the packing force of wire.
With the development of technology, an electrical connection terminal capable of quickly pressing a wire by a handle operation gradually appears, for example, an electrical connection terminal disclosed in chinese patent application publication No. CN105428830A, which includes a housing, a wire pressing reed rotatably provided in the housing around an axis extending in the front-rear direction, a wire pressing end and a driving end provided on both sides of a rotating shaft, an operating handle rotatably provided on the housing for driving the wire pressing reed to rotate between a wire connection position and a wire pressing position, the operating handle being parallel to the rotation axis of the wire pressing reed, a contact section provided at one end of the operating handle in the housing for operating the wire pressing reed by contacting the contact section with the driving end of the wire pressing reed, a wire pressing hole provided on the housing, when the wire pressing operation is performed, the operating handle is firstly pulled to make the pressure of the wire pressing reed recede from the wire pressing hole so that a wire can penetrate from the wire pressing hole to the position of a contact member in, then, the operating handle is pulled to enable the wire pressing reed to rotate, and the wire pressing end can press the wire on the contact element; when the wire is removed, the operating handle is pulled again to enable the wire pressing reed to rotate, the wire pressing end of the wire pressing reed leaves from the wire, the wire is released from being compressed, and the wire can be pulled out from the wire pressing hole directly by pulling the wire at the moment. However, in the crimping process of the electric connection terminal, the wire pressing end of the wire pressing reed can generate force for pulling the wire out of the wire pressing hole to the wire, so that the wire cannot be in complete contact with the conducting strip, and the conducting strip cannot be effectively utilized and the heating amount of the conducting strip is increased. The wire is pressed for a long time by the line ball reed and its tip is possible to stick up after holding, and the line ball reed release wire probably takes place to interfere with the wire of sticking up occasionally and leads to the wire to be difficult for withdrawing from the line ball hole.
Disclosure of Invention
The invention aims to provide an electric terminal, aiming at solving the problems of low utilization rate of a conducting strip of the electric terminal and difficult exit of a lead in the prior art.
In order to achieve the above object, the technical scheme of the electric connection terminal of the invention is as follows:
an electric wiring terminal comprises a shell, a threading hole is arranged on the shell, a threading channel is arranged in the inner cavity of the shell corresponding to the threading hole, a conducting strip is arranged on one side of the threading channel in the shell, and the opposite side of the conducting strip is provided with a wire pressing elastic sheet which is a bent elastic sheet comprising a first edge and a second edge, an opening formed by the first edge and the second edge faces the inserting direction of the wire, one end of the first edge is fixed relative to the shell, the second edge is inclined and extends close to the conducting strip in the inserting direction of the wire, the shell is also rotatably provided with an operating handle, the operating handle is provided with a cam top pressing surface, and when the operating handle is rotated, the cam pressing surface presses the first edge to enable the second edge to move close to and away from the conducting strip, when the second edge moves towards the conducting strip, the wire is pushed forwards in an inclined mode and is pressed on the conducting strip in a pressing mode, and when the second edge moves away from the conducting strip, the wire is pulled backwards in an inclined mode.
The beneficial effects are that: the first edge and the second edge of the wire pressing elastic sheet of the electric wiring terminal can elastically swing around one end of the first edge, which is relatively fixed with the shell, so that when a wire is pressed, the second edge can obliquely push the wire forward to press the wire on the wire; and when the wire is loosened, the second edge can obliquely pull the leg wire backwards. Compared with the prior art, the wire pressing device has the advantages that the wire cannot be completely pressed on the conductive sheet in the pressing process, and the wire cannot exit when the wire is loosened.
Specifically, the one end that first side deviates from the second limit is still turned over and is extended there is the third limit, be equipped with fixed pin on the casing, first side and the turn over kink suit of third limit are on fixed pin, still are equipped with in the casing and paste the holding surface that tightly supports with the third limit in one side that the third limit deviates from first side. The line ball shell fragment passes through the fixed pin axle and the holding surface is fixed in the casing, and the line ball shell fragment can rotate around the fixed pin axle and compress tightly and relax the wire.
Furthermore, two sides of the farthest point of the cam top pressing surface respectively form a return section for releasing the wire pressing elastic sheet to loosen the wire and a push section for pushing the wire pressing elastic sheet to compress the wire, and the push sections are linearly connected with the closest point of the cam top pressing surface and tightly attached to the wire pressing elastic sheet when the wire pressing elastic sheet releases the wire. After the wire is loosened by the wire pressing elastic piece through the design, the wire pressing elastic piece and the handle are tightly attached to form limiting on the handle.
Furthermore, a stopping structure for stopping and limiting the handle when the wire pressing elastic sheet releases the wire along the return segment is arranged on the shell, and the stopping structure keeps the handle at the position of the return segment close to the farthest point of the top pressing surface of the cam. The handle is held at a position of the return section near the farthest point of the cam pressing surface so that the handle is held at a position where the cam presses against the position just past the dead point, and the handle moves a short distance when the wire is released.
Furthermore, the shell is of a split buckling structure matched with the shaft hole. Facilitating quick assembly of the housing.
Furthermore, the first, second and third edges are integrally formed by the wire pressing elastic pieces. An organic whole sets up the processing of being convenient for, has reduced line ball shell fragment cost of manufacture.
Drawings
Fig. 1 is a schematic view of the internal structure of an electrical terminal of the present invention;
FIG. 2 is a schematic view of the electrical terminal of the present invention in a condition where the wire is loosened;
fig. 3 is a schematic view of the electric terminal of the present invention in a state of pressing a wire;
in the drawings: 1. a housing; 11. a cover plate; 12. threading holes; 2. a handle; 21. a pushing end; 22. a return section; 23. a push stroke section; 24. the cam presses the farthest point of the pressing surface; 3. pressing the elastic sheet; 31. a second edge; 32. a first arc segment; 33. a first side; 34. a third side; 35. a second arc segment; 4. a wire pressing elastic sheet rotating shaft; 5. a conductive sheet; 6. a handle shaft; 7. and (4) conducting wires.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 3, the first embodiment of the electrical terminal of the present invention includes a housing 1, the housing 1 is a split fastening structure assembled by a bottom shell and a cover plate 11 through a shaft hole, the housing 1 has a threading hole 12 penetrating the housing 1 from left to right, and a threading passage is provided in an inner cavity of the housing 1 corresponding to the threading hole 12. A conducting strip 5 extending left and right is arranged in the position corresponding to the threading hole 12 in the shell 1, one end of the conducting strip 5 extends out of the shell 1, the conducting strip 5 positioned outside the shell 1 is a plug end, the plug end of the conducting strip 5 in the embodiment is a socket, and in other embodiments, the plug can also be a plug; the conducting strip 5 positioned in the shell 1 is a line pressing end of the conducting strip 5. The upper side of the wire pressing end of the conducting strip 5 in the shell 1 is also provided with a wire pressing elastic sheet 3 which tightly presses a wire 7 penetrating into the wire threading hole 12 on the wire pressing end of the conducting strip 5.
The right side of the bottom shell of the shell 1 is of a mountain-shaped structure with an opening facing the left, a lower side groove at the right end of the bottom shell forms a threading channel, and a lower right corner of an upper side groove at the right end of the bottom shell is provided with a wire pressing elastic piece rotating shaft 4. The wire pressing elastic piece 3 comprises a third edge 34 extending left and right, a second arc segment 35 connected with the right end of the third edge 34 and opening towards the left, a first edge 33 connected with the upper end of the second arc segment 35 and extending towards the left upper side, a first arc segment 32 connected with the first edge 33 and opening towards the right lower side, and a second edge 31 connected with the lower end of the first arc segment 32 and extending towards the right lower side. It can be seen that the third edge 34 is bent inward toward the opening formed by the first edge 33 and the second edge 31, and in other embodiments, the third edge 34 may be located above the first edge 33. The line ball shell fragment is integrative, accessible bending process preparation.
The third edge 34 of the pressing line elastic sheet 3 is tightly attached to the groove wall of the upper side groove of the structure with the opening facing to the left and the inner arc surface of the second arc section 35 is tightly attached to the pressing line elastic sheet rotating shaft 4 on the shell 1, so that the pressing line elastic sheet 3 is fixed in the shell 1. The border position of casing 1 is provided with the breach that is used for installing handle 2, and operating handle 2 rotates through handle pivot 6 and installs in casing 1, and the one end of handle 2 is gone deep into casing 1, and one end is located outside casing 1. One end of the handle 2 in the shell 1 is provided with a pushing end 21 which is pressed against the second edge 31 of the wire pressing elastic sheet 3. The line ball shell fragment 3 is around 4 swing of line ball shell fragment pivot under the promotion of handle 2, and the axis of rotation of line ball shell fragment 3 is parallel with the axis of rotation of handle 2.
The handle 2 is provided with a cam pressing surface pressed against the second edge 31, two sides of a farthest point 24 of the cam pressing surface respectively form a return section 22 for releasing the wire pressing elastic piece 3 to loosen the wire 7 and a push section 23 for pushing the wire pressing elastic piece 3 to compress the wire 7, and the push section 23 is linearly connected with the closest point (the position of the handle rotating shaft 6) of the cam pressing surface and tightly attached to the wire pressing elastic piece 3 when the wire pressing elastic piece 3 releases the wire 7. The shell 1 is provided with a stopping structure for stopping and limiting the handle 2 when the wire pressing elastic sheet 3 releases the wire 7 along the return segment 22, and the stopping structure keeps the handle 2 at the position of the return segment 22 close to the farthest point 24 of the cam pressing surface. One end of the handle 2, which is positioned at the outer side of the shell 1, is a hand for an operator to hold, and an included angle between the hand holding end and the jacking end is larger than 90 degrees to form a crank arm structure.
The outside of the shell 1 is provided with a notch avoiding the handle 2, when the handle 2 rotates to the position of the notch, the pushing end 21 of the handle 2 pushes against the first edge 33 of the wire pressing elastic sheet 3, and the second edge 31 of the wire pressing elastic sheet 3 rotates to press the wire 7 on the wire pressing end of the conducting sheet 5. At this time, the contact surface between the handle 2 and the first edge 33 is an inclined surface inclined to extend to the upper right, so that the moment direction of the pressing line elastic piece 3 to the handle 2 is in the counterclockwise direction, and the handle 2 is locked.
When the electric connection terminal is used, as can be known from the reference to fig. 2, when the wire 7 is released, the handle 2 is rotated clockwise, the first edge 33 of the wire pressing elastic sheet 3 presses against the return segment 22 of the cam pressing surface of the handle to rotate, the second edge 31 of the wire pressing elastic sheet 3 moves to the upper left, the wire 7 is released, and a force for pulling the wire 7 out of the wire through hole 12 is generated in the process of moving to the upper left. Referring to fig. 3, when the wire 7 is pressed, the handle 2 is rotated counterclockwise, the push section 23 of the cam top pressing surface of the handle pushes the first edge 33 of the wire pressing elastic piece 3 to swing around the wire pressing elastic piece rotating shaft 4, in the process, the second edge 31 of the wire pressing elastic piece 3 moves towards the lower right to press the wire 7 onto the conducting strip 5, and in the process that the wire 7 is pressed by the wire pressing elastic piece 3, the wire pressing elastic piece 3 applies a force to the wire 7 in the lower right direction, so that the wire 7 is pushed towards the inside of the shell 1.
The second embodiment of the electrical terminal of the present invention is different from the first embodiment of the electrical terminal in that the right end of the first side 33 of the wire pressing elastic piece in this embodiment is fixedly connected to the housing, so that the inside of the right housing does not need to be provided with a mountain-shaped structure with an opening facing the left and a third side 34. The rest is the same as the first embodiment, and is not described again.
Claims (7)
1. The utility model provides an electric wiring terminal, includes the casing, is equipped with the through wires hole on the casing, has the threading passageway corresponding to the through wires hole in the inner chamber of casing, and one side of the inherent threading passageway of casing is equipped with the conducting strip, and is equipped with line ball shell fragment, its characterized in that at the offside of conducting strip: the line ball shell fragment is for the bending shell fragment including first limit and second limit, the opening that first limit and second limit formed is towards wire male direction, the relative casing of one end on first limit is fixed, the second limit is close to the conducting strip slope in wire male direction and extends, still rotate on the casing and install operating handle, operating handle has cam top pressing surface, and can make the second limit be close to and keep away from the conducting strip removal through cam top pressing surface roof pressure first limit when rotating operating handle, bulldoze the wire before the slant when the second limit moves towards the conducting strip and compress tightly on the conducting strip, dial back the wire when the conducting strip removes on the second limit.
2. The electrical connection terminal of claim 1, wherein: the one end that deviates from the second limit on first limit still folds back and extends there is the third limit, be equipped with fixed pin axle on the casing, first limit and the trilateral inflection of folding back partial suit are on fixed pin axle, still are equipped with in the casing and paste the bearing surface that tightly supports with the third limit on one side that the third limit deviates from first limit.
3. The electrical connection terminal of claim 2, wherein: the third edge is folded back inwardly of the opening formed by the first and second edges.
4. An electrical connection terminal as claimed in any one of claims 1 to 3, wherein: the two sides of the farthest point of the cam jacking surface respectively form a return section for releasing the wire pressing elastic sheet to loosen the wire and a push section for pushing the wire pressing elastic sheet to compress the wire, and the push sections are linearly connected with the closest point of the cam jacking surface and tightly attached to the wire pressing elastic sheet when the wire pressing elastic sheet releases the wire.
5. The electrical connection terminal of claim 4, wherein: the shell is provided with a stopping structure for stopping and limiting the handle when the wire pressing elastic sheet releases the wire along the return segment, and the stopping structure keeps the handle at the position of the return segment close to the farthest point of the top pressing surface of the cam.
6. An electrical connection terminal as claimed in any one of claims 1 to 3, wherein: the shell is of a split buckling structure matched with the shaft hole.
7. An electrical connection terminal as claimed in any one of claims 1 to 3, wherein: the line pressing elastic pieces are integrally arranged to form the first, second and third edges.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810702542 | 2018-06-30 | ||
| CN2018107025421 | 2018-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600897A true CN110600897A (en) | 2019-12-20 |
| CN110600897B CN110600897B (en) | 2021-06-04 |
Family
ID=68849298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571056.7A Active CN110600897B (en) | 2018-06-30 | 2018-12-21 | Electric wiring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110600897B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525289A (en) * | 2020-04-21 | 2020-08-11 | 中航光电科技股份有限公司 | A kind of interface unit |
| CN111682326A (en) * | 2020-06-05 | 2020-09-18 | 浙江正泰电器股份有限公司 | Terminals |
| CN112038186A (en) * | 2020-09-24 | 2020-12-04 | 上海良信电器股份有限公司 | Binding post and circuit breaker |
| CN113223902A (en) * | 2021-04-23 | 2021-08-06 | 乐清市万宝龙辅助开关厂 | Connecting terminal |
| CN114447636A (en) * | 2020-11-02 | 2022-05-06 | 町洋企业股份有限公司 | Terminal block structure that saves operating space |
| WO2022121499A1 (en) * | 2020-12-11 | 2022-06-16 | 成都瑞联电气股份有限公司 | Crimp wiring terminal and use method therefor |
| WO2022161517A3 (en) * | 2022-04-29 | 2023-02-02 | 苏州德斯米尔智能科技有限公司 | Manually clamped wire harness port |
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| CN205069944U (en) * | 2015-10-21 | 2016-03-02 | 宁波公牛电器有限公司 | No threaded connecting terminal with stronger clamp force |
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| CN87214630U (en) * | 1987-10-20 | 1988-08-10 | 罗安喜 | Plug-in connecting means for electrical accessories |
| JP2001052774A (en) * | 1999-08-16 | 2001-02-23 | Matsushita Electric Works Ltd | Wire connection device |
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| CN203250858U (en) * | 2013-02-02 | 2013-10-23 | 厦门西霸士连接器有限公司 | A push-button quick terminal |
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| CN203859237U (en) * | 2014-03-08 | 2014-10-01 | 浙江津达电子有限公司 | Binding terminal |
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| CN205069944U (en) * | 2015-10-21 | 2016-03-02 | 宁波公牛电器有限公司 | No threaded connecting terminal with stronger clamp force |
| CN105428914A (en) * | 2015-11-23 | 2016-03-23 | 中航光电科技股份有限公司 | Terminal |
| CN105428830A (en) * | 2015-11-23 | 2016-03-23 | 中航光电科技股份有限公司 | Conductive terminal |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525289A (en) * | 2020-04-21 | 2020-08-11 | 中航光电科技股份有限公司 | A kind of interface unit |
| CN111525289B (en) * | 2020-04-21 | 2021-09-28 | 中航光电科技股份有限公司 | A kind of interface unit |
| CN111682326A (en) * | 2020-06-05 | 2020-09-18 | 浙江正泰电器股份有限公司 | Terminals |
| CN112038186A (en) * | 2020-09-24 | 2020-12-04 | 上海良信电器股份有限公司 | Binding post and circuit breaker |
| CN114447636A (en) * | 2020-11-02 | 2022-05-06 | 町洋企业股份有限公司 | Terminal block structure that saves operating space |
| WO2022121499A1 (en) * | 2020-12-11 | 2022-06-16 | 成都瑞联电气股份有限公司 | Crimp wiring terminal and use method therefor |
| CN113223902A (en) * | 2021-04-23 | 2021-08-06 | 乐清市万宝龙辅助开关厂 | Connecting terminal |
| WO2022161517A3 (en) * | 2022-04-29 | 2023-02-02 | 苏州德斯米尔智能科技有限公司 | Manually clamped wire harness port |
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| CN110600897B (en) | 2021-06-04 |
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