CN204067233U - A kind of terminal cover structure of low-voltage electrical apparatus and A.C. contactor - Google Patents
A kind of terminal cover structure of low-voltage electrical apparatus and A.C. contactor Download PDFInfo
- Publication number
- CN204067233U CN204067233U CN201420503906.0U CN201420503906U CN204067233U CN 204067233 U CN204067233 U CN 204067233U CN 201420503906 U CN201420503906 U CN 201420503906U CN 204067233 U CN204067233 U CN 204067233U
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- China
- Prior art keywords
- terminal cover
- securing member
- terminal
- electrical apparatus
- voltage electrical
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- 239000011159 matrix material Substances 0.000 claims abstract description 20
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to a kind of terminal cover structure and A.C. contactor of low-voltage electrical apparatus.Mainly solve the terminal cover structure of existing low-voltage electrical apparatus when wiring, there is the problem that screw is easily lost and occurred the faults such as short circuit.Wherein terminal cover structure comprises matrix, terminal cover and connector assembly, described terminal cover is connected with matrix phase and is positioned at the top of connector assembly, described connector assembly comprises terminal block, securing member and compressing tablet, described securing member matches with terminal block, described compressing tablet is positioned at the below of securing member, it is characterized in that: described terminal cover is provided with screwed hole, described securing member is provided with external screw thread, described securing member is connected with screwed hole spiral by external screw thread, and securing member rotation is drawn close disengaging towards terminal block direction and is threaded and can be separated with terminal cover.Due to the terminal cover structure of this low-voltage electrical apparatus, adopt and screwed hole is set on terminal cover, and screw and terminal cover are spiral link structures.It, when wiring, realizes wiring by tightening screw; And when loose ends, screw is in the state that to be threaded with terminal cover all the time, therefore, it is possible to effectively prevent screw from losing or the equipment that falls to causes occurring the faults such as short circuit, ensure its safety in utilization.
Description
Technical field
The utility model relates to a kind of low-voltage electrical apparatus, refers in particular to a kind of terminal cover structure and A.C. contactor of low-voltage electrical apparatus.
Background technology
Existing low-voltage electrical apparatus, as contactor etc., its connection terminal structure generally comprises screw, compressing tablet and terminal block, generally there are 2 types, the first is not for having terminal cover structure, when wiring, is directly screwed by tool operation screws such as screwdrivers or is unclamped and realize wiring or loose ends; Another kind of for having the structure of terminal cover, terminal cover is positioned at the top of binding post, and lid cover is provided with through hole; it is when wiring; screw is threaded with terminal block through this through hole, and screw itself and terminal cover do not have annexation, and terminal cover only realizes the object of protection.Above-mentioned 2 kinds of structure types, when screw is outwarded winding, screw is easily lost or is dropped on equipment below and causes the faults such as short circuit, there is the shortcomings such as operation inconvenience and potential safety hazard.
Summary of the invention
In order to overcome shortcoming and the weak point of background technology, the utility model provides a kind of terminal cover structure of low-voltage electrical apparatus, and the terminal cover structure solving existing low-voltage electrical apparatus, when wiring, exists the problem that screw is easily lost and occurred the faults such as short circuit.
The technical solution of the utility model is: a kind of terminal cover structure of low-voltage electrical apparatus, comprise matrix, terminal cover and connector assembly, described terminal cover is connected with matrix phase and is positioned at the top of connector assembly, described connector assembly comprises terminal block, securing member and compressing tablet, described securing member matches with terminal block, described compressing tablet is positioned at the below of securing member, it is characterized in that: described terminal cover is provided with screwed hole, described securing member is provided with external screw thread, described securing member is connected with screwed hole spiral by external screw thread, securing member rotation is drawn close disengaging towards terminal block direction and is threaded and can be separated with terminal cover.
Described securing member comprises nut portion and guide rod portion, and described external screw thread is located in nut portion, and described compressing tablet is sheathed in guide rod portion, and described guide rod portion is threaded with terminal block.
Described terminal cover and matrix removably connect, and the inner side of described matrix is provided with the chute of horizontal distribution, and the both sides of described terminal cover are provided with the guide rail coordinated with described chute slippage.
Described low-voltage electrical apparatus be contactor or other.
A kind of A.C. contactor, comprise shell, also comprise described terminal cover structure, matrix and the shell of described terminal cover structure are integrally formed by connecting.
the utility model has following beneficial effect:due to the terminal cover structure of this low-voltage electrical apparatus, adopt and screwed hole is set on terminal cover, and screw and terminal cover are spiral link structures.It, when wiring, realizes wiring by tightening screw; And when loose ends, screw is in the state that to be threaded with terminal cover all the time, therefore, it is possible to effectively prevent screw from losing or the equipment that falls to causes occurring the faults such as short circuit, ensure its safety in utilization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model removes terminal cap.
Fig. 3 is the schematic enlarged-scale view at I place in the utility model Fig. 2.
Fig. 4 is the structural representation of terminal cap in the utility model.
In figure, matrix 1, terminal cover 2, terminal block 3, securing member 4, cap portion 41, guide rod portion 42, compressing tablet 5, screwed hole 6, external screw thread 7, chute 8, guide rail 9, shell 10.
Embodiment
For accompanying drawing, embodiment of the present utility model is described further below:
As shown in the figure, a kind of terminal cover structure of low-voltage electrical apparatus, described low-voltage electrical apparatus is contactor or circuit breaker etc., comprise matrix 1, terminal cover 2 and connector assembly, described terminal cover 2 is connected with matrix 1 and is positioned at the top of connector assembly, described connector assembly comprises terminal block 3, securing member 4 and compressing tablet 5, described securing member 4 matches with terminal block 3, described compressing tablet 5 is positioned at the below of securing member 4, it is characterized in that: described terminal cover 2 is provided with screwed hole 6, described securing member 4 is provided with external screw thread 7, described securing member 4 is connected with screwed hole 6 spiral by external screw thread 7, securing member 4 rotates to be drawn close disengaging towards terminal block 3 direction and is threaded and can be separated with terminal cover 2.This securing member is screw, matches with terminal block in its lower end, during assembling, can first screw is screwed on terminal block, also first screw thread can be connected to terminal cover, and then terminal cover is contained on shell.Initial condition, screw is threaded with terminal cover, and when wiring, draw close terminal block by screwdriver tool axial rotary feeder belt dynamic pressure sheet and carry out the object that line ball realizes wiring, and screw is connected on terminal block, now, dismounting terminal cover can not affect screw, and when unclamping screw, screw rotates the screwed hole screwing in terminal cover, until screw departs from connecting plate, and now, screw is still in and screwed hole connection status, therefore, according to such scheme, due to the terminal cover structure of this low-voltage electrical apparatus, adopt and screwed hole is set on terminal cover, and screw and terminal cover are spiral link structures.It, when wiring, realizes wiring by tightening screw; And when loose ends, screw is in the state that to be threaded with terminal cover all the time, therefore, it is possible to effectively prevent screw from losing or the equipment that falls to causes occurring the faults such as short circuit, ensure its safety in utilization.
In the present embodiment, described securing member 4 comprises nut portion 41 and guide rod portion 42, and described external screw thread 7 is located in nut portion 41, and described compressing tablet 5 is sheathed in guide rod portion 42, and described guide rod portion 42 is threaded with terminal block 3.Nut portion 41 is connected with one with guide rod portion 42, guide rod portion 42 is threaded with terminal block 3, the upper surface in nut portion 41 is provided with the gathering hole snapped in for screwdriver, its periphery arranges external screw thread and realizes the matching relationship with screwed hole, adopt aforesaid way, have that structure is simple, operation time stability strong and fail safe advantages of higher.
In the present embodiment, described terminal cover 2 removably connects with matrix 1, and the inner side of described matrix 1 is provided with the chute 8 of horizontal distribution, and the both sides of described terminal cover 2 are provided with the guide rail 9 coordinated with the slippage of described chute 8.By arranging chute 8 on matrix 1, and guide rail 9 being set on terminal cover, during installation, terminal cover being slipped into matrix from the side and realizes assembling, easy to operate, simply.
A kind of A.C. contactor, comprises shell, also comprises described terminal cover structure, and matrix 1 and the shell 10 of described terminal cover structure are integrally formed by connecting.This A.C. contactor is by arranging terminal cover structure, and in use, terminal cover had both played the object of protection terminal, prevented again screw from losing, and avoided causing potential safety hazard.
Embodiment should not be considered as the restriction to utility model, but anyly done based on spirit of the present utility model
Improvement, all should within protection range of the present utility model.
Claims (5)
1. the terminal cover structure of a low-voltage electrical apparatus, comprise matrix (1), terminal cover (2) and connector assembly, described terminal cover (2) is connected with matrix (1) and is positioned at the top of connector assembly, described connector assembly comprises terminal block (3), securing member (4) and compressing tablet (5), described securing member (4) matches with terminal block (3), described compressing tablet (5) is positioned at the below of securing member (4), it is characterized in that: described terminal cover (2) is provided with screwed hole (6), described securing member (4) is provided with external screw thread (7), described securing member (4) is connected with screwed hole (6) spiral by external screw thread (7), securing member (4) rotation is drawn close disengaging towards terminal block (3) direction and is threaded and can be separated with terminal cover (2).
2. the terminal cover structure of low-voltage electrical apparatus according to claim 1, it is characterized in that: described securing member (4) comprises nut portion (41) and guide rod portion (42), described external screw thread (7) is located in nut portion (41), described compressing tablet (5) is sheathed in guide rod portion (42), and described guide rod portion (42) is threaded with terminal block (3).
3. the terminal cover structure of low-voltage electrical apparatus according to claim 1 and 2, it is characterized in that: described terminal cover (2) and matrix (1) removably connect, the inner side of described matrix (1) is provided with the chute (8) of horizontal distribution, and the both sides of described terminal cover (2) are provided with the guide rail (9) coordinated with described chute (8) slippage.
4. the terminal cover structure of low-voltage electrical apparatus according to claim 1 and 2, is characterized in that: described low-voltage electrical apparatus is contactor.
5. an A.C. contactor, comprises shell (10), it is characterized in that: also comprise claim 1 or the terminal cover structure described in 2 or 3, and matrix (1) and the shell (10) of described terminal cover structure are integrally formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503906.0U CN204067233U (en) | 2014-09-03 | 2014-09-03 | A kind of terminal cover structure of low-voltage electrical apparatus and A.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503906.0U CN204067233U (en) | 2014-09-03 | 2014-09-03 | A kind of terminal cover structure of low-voltage electrical apparatus and A.C. contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067233U true CN204067233U (en) | 2014-12-31 |
Family
ID=52208690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503906.0U Expired - Lifetime CN204067233U (en) | 2014-09-03 | 2014-09-03 | A kind of terminal cover structure of low-voltage electrical apparatus and A.C. contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321029A (en) * | 2017-12-30 | 2018-07-24 | 三友联众集团股份有限公司 | A kind of relay being threaded head |
-
2014
- 2014-09-03 CN CN201420503906.0U patent/CN204067233U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321029A (en) * | 2017-12-30 | 2018-07-24 | 三友联众集团股份有限公司 | A kind of relay being threaded head |
| CN108321029B (en) * | 2017-12-30 | 2024-02-20 | 三友联众集团股份有限公司 | Relay with screw thread head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |