CN209000840U - A kind of miniature circuit breaker and circuit protection device - Google Patents
A kind of miniature circuit breaker and circuit protection device Download PDFInfo
- Publication number
- CN209000840U CN209000840U CN201822075944.1U CN201822075944U CN209000840U CN 209000840 U CN209000840 U CN 209000840U CN 201822075944 U CN201822075944 U CN 201822075944U CN 209000840 U CN209000840 U CN 209000840U
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- China
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- protection device
- circuit protection
- execution unit
- bottom end
- sliding block
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Abstract
The utility model discloses a kind of miniature circuit breaker and circuit protection devices, it is related to breaker technical field, the miniature circuit breaker and circuit protection device, including circuit protection device, the top of circuit protection device is connected with combined floodgate spanner, circuit protection device is internally provided with execution unit, the top of execution unit is flexibly connected by pin shaft with the inner wall of circuit protection device, the side bottom end of execution unit is provided with moving contact, the other side bottom end of execution unit is provided with button, the top of pressing lever is fixedly connected in the middle part of the lower surface of button, the bottom end of pressing lever is fixedly connected with cross bar, the lower surface both ends of cross bar are provided with vertical bar, the bottom end of vertical bar is provided with sliding block, the side of sliding block is fixedly connected with fixture block, one end of fixture block is through to the outside of execution unit.The miniature circuit breaker and circuit protection device facilitate removing and installing for moving contact, reasonable in design, easy to operate, easy to change.
Description
Technical field
The utility model relates to breaker technical field, specially a kind of miniature circuit breaker and circuit protection device.
Background technique
Miniature circuit breaker is to refer to close, carry and cut-off the electric current under normal loop condition, and can close, advise
Fix time it is interior carrying and beginning exception loop condition under electric current switching device.Existing miniature circuit breaker separating brake contact spacing
It is relatively close, it easily causes disjunction short circuiting arc to be difficult to extinguish, causes hazard of catch fire, and when moving contact and static contact contact, collision sense
It is relatively strong, easily damage moving contact and static contact.
A kind of miniature circuit breaker disclosed in 207558720 U of Chinese utility model patent ublic specification of application CN
And circuit protection device, although the circuit protection device is provided with execution unit, moving contact is set on execution unit, is passed through
Abutting portion rotation drives the mode of execution unit rotation, and the lesser slewing area in abutting portion is become the biggish rotation of execution unit
Range has reached and increases moving contact purpose at a distance from static contact, meanwhile, return mechanism can allow moving contact to contact with static contact
When have buffering, avoid strong collision, still, the moving contact of the circuit protection device is inconvenient to dismantle, when moving contact damage when, no
It is convenient for replacing.
Currently, existing circuit protection device is inconvenient for use, it is unfavorable for promoting the use of.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of miniature circuit breaker and circuit protection device, solves
The inconvenient problem of the moving contact replacement of existing circuit protection device.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of miniature circuit breaker and circuit protection device, including circuit protection device, the top of the circuit protection device
It is connected with combined floodgate spanner, the circuit protection device is internally provided with execution unit, and the top of the execution unit is logical
Pin shaft is crossed to be flexibly connected with the inner wall of circuit protection device；
The side bottom end of the execution unit is provided with moving contact, the other side bottom end of the execution unit be provided with by
Button, the lower surface middle part of the button are fixedly connected with the top of pressing lever, and the bottom end of the pressing lever is through to execution unit
The bottom end of inside, the pressing lever is fixedly connected with cross bar；
The lower surface both ends of the cross bar are provided with vertical bar, and the bottom end of the vertical bar is provided with sliding block, the sliding block
Side is fixedly connected with fixture block, and one end of the fixture block is through to the outside of execution unit；
The lower surface four corners of the sliding block pass through connector and are connected with pulley, and the execution unit is close to sliding
Pulley groove is offered on the inner wall of wheel.
Optionally, the execution unit offers push-button recess on the position close to button, and the button and button are recessed
Slot is adapted.
Optionally, the top of the vertical bar is fixedly connected with cross bar, and bottom end and the sliding block of the vertical bar are slidably connected.
Optionally, the bottom end of the vertical bar is set as inclined-plane, and the top of the sliding block is set as inclined-plane；
The bottom end of the vertical bar and the top of sliding block are to adaptation.
Optionally, there are two the sliding block settings, reset spring is provided between two sliding blocks；
The both ends of the reset spring are fitted and connected with two sliding blocks respectively.
Optionally, the moving contact offers card slot on the position close to fixture block；
The fixture block is adapted with card slot.
Optionally, the pulley is located in pulley groove, and the pulley is slidably connected with pulley groove.
(3) beneficial effect
The utility model provides a kind of miniature circuit breaker and circuit protection device, have it is following the utility model has the advantages that
(1), the miniature circuit breaker and circuit protection device pass through button, pressing lever, cross bar, vertical bar, sliding block and fixture block
Be used cooperatively, moving contact can be fixed, facilitate removing and installing for moving contact, it is reasonable in design, it is easy to operate,
It is easy to change.
(2), the miniature circuit breaker and circuit protection device facilitate the movement of sliding block by being provided with pulley and pulley groove,
It is reasonable in design, it is easy to use；By being provided with card slot, facilitate connecting and fixing for moving contact.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the partial cutaway schematic of the utility model；
Fig. 3 is the partial cutaway schematic of the utility model execution unit structure；
Fig. 4 is the enlarged diagram of structure at A in the utility model Fig. 3.
In figure: 1- circuit protection device, 2- combined floodgate spanner, 3- execution unit, 4- moving contact, 5- button, 6- pressing lever, 7-
Cross bar, 8- vertical bar, 9- sliding block, 10- fixture block, 11- reset spring, 12- card slot, 13- pulley, 14- pulley groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:
The top of a kind of miniature circuit breaker and circuit protection device, including circuit protection device 1, circuit protection device 1 is living
Dynamic to be connected with combined floodgate spanner 2, circuit protection device 1 is internally provided with execution unit 3, and the top of execution unit 3 passes through pin shaft
It is flexibly connected with the inner wall of circuit protection device 1；
The side bottom end of execution unit 3 is provided with moving contact 4, and the other side bottom end of execution unit 3 is provided with button 5, presses
The top of pressing lever 6 is fixedly connected in the middle part of the lower surface of button 5, the bottom end of pressing lever 6 is through to the inside of execution unit 3, presses
The bottom end of bar 6 is fixedly connected with cross bar 7；
The lower surface both ends of cross bar 7 are provided with vertical bar 8, and the bottom end of vertical bar 8 is provided with sliding block 9, and the side of sliding block 9 is fixed
It is connected with fixture block 10, one end of fixture block 10 is through to the outside of execution unit 3, and moving contact 4 can be fixed, convenient dynamic touching
First 4 remove and install, it is reasonable in design, it is easy to operate, it is easy to change；
The lower surface four corners of sliding block 9 pass through connector and are connected with pulley 13, and execution unit 3 is close to pulley 13
Inner wall on offer pulley groove 14, facilitate the movement of sliding block 9, it is reasonable in design, it is easy to use.
A kind of optional technical solution as the utility model:
Execution unit 3 offers push-button recess on the position close to button 5, and button 5 is adapted with push-button recess, structure
Rationally.
A kind of optional technical solution as the utility model:
The top of vertical bar 8 is fixedly connected with cross bar 7, and bottom end and the sliding block 9 of vertical bar 8 are slidably connected, simple and practical in structure.
A kind of optional technical solution as the utility model:
The bottom end of vertical bar 8 is set as inclined-plane, and the top of sliding block 9 is set as inclined-plane；
The bottom end of vertical bar 8 and the top of sliding block 9 facilitate transmission to adaptation.
A kind of optional technical solution as the utility model:
There are two the settings of sliding block 9, is provided with reset spring 11 between two sliding blocks 9；
The both ends of reset spring 11 are fitted and connected with two sliding blocks 9 respectively, and design is reasonable.
A kind of optional technical solution as the utility model:
Moving contact 4 offers card slot 12 on the position close to fixture block 10；
Fixture block 10 is adapted with card slot 12, facilitates connecting and fixing for moving contact 4.
A kind of optional technical solution as the utility model:
Pulley 13 is located in pulley groove 14, and pulley 13 is slidably connected with pulley groove 14, sliding block 9 easy to remove.
In conclusion the miniature circuit breaker and circuit protection device, when moving contact 4 is damaged because of collision, to moving contact 4
It is replaced, circuit protection device 1 is dismantled, push button 5, button 5 drives cross bar 7 to be moved by pressing lever 6, cross bar
7 are moved by vertical bar 8 with movable slider 9, and at the same time, 9 pressed home spring 11 of sliding block, sliding block 9 drives fixture block 10 to do far
Movement from card slot 12 can unload moving contact 4, release button 5, button 5 and fixture block 10 when fixture block 10 is detached from card slot 12
It is resetted under the action of 11 elastic force of reset spring, then the moving contact of replacement 4 is fixed on execution unit 3, is just completed
The replacement of moving contact 4, the miniature circuit breaker and circuit protection device, facilitate removing and installing for moving contact 4, and structure design is closed
Reason, it is easy to operate, it is easy to change.
It should be further noted that combined floodgate spanner 2, execution unit 3, circuit protection device 1 in the utility model and
Its internal structure etc. is technology disclosed in existing 207558720 U of utility application prospectus CN, not
It is the improvement of the utility model.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of miniature circuit breaker and circuit protection device, including circuit protection device (1), it is characterised in that: the circuit is protected
The top of protection unit (1) is connected with combined floodgate spanner (2), and the circuit protection device (1) is internally provided with execution unit
(3), the top of the execution unit (3) is flexibly connected by pin shaft with the inner wall of circuit protection device (1)；
The side bottom end of the execution unit (3) is provided with moving contact (4), the other side bottom end setting of the execution unit (3)
Have button (5), the top of pressing lever (6), the bottom end of the pressing lever (6) are fixedly connected in the middle part of the lower surface of the button (5)
It is through to the inside of execution unit (3), the bottom end of the pressing lever (6) is fixedly connected with cross bar (7)；
The lower surface both ends of the cross bar (7) are provided with vertical bar (8), and the bottom end of the vertical bar (8) is provided with sliding block (9), institute
The side for stating sliding block (9) is fixedly connected with fixture block (10), and one end of the fixture block (10) is through to the outside of execution unit (3)；
The lower surface four corners of the sliding block (9) pass through connector and are connected with pulley (13), and the execution unit (3) exists
Pulley groove (14) are offered on the inner wall of pulley (13).
2. a kind of miniature circuit breaker according to claim 1 and circuit protection device, it is characterised in that:
The execution unit (3) offers push-button recess, the button (5) and push-button recess on the position close to button (5)
It is adapted.
3. a kind of miniature circuit breaker according to claim 1 and circuit protection device, it is characterised in that:
The top of the vertical bar (8) is fixedly connected with cross bar (7), and bottom end and the sliding block (9) of the vertical bar (8) are slidably connected.
4. a kind of miniature circuit breaker according to claim 1 and circuit protection device, it is characterised in that:
The bottom end of the vertical bar (8) is set as inclined-plane, and the top of the sliding block (9) is set as inclined-plane；
The top of the bottom end of the vertical bar (8) and sliding block (9) is to adaptation.
5. a kind of miniature circuit breaker according to claim 1 and circuit protection device, it is characterised in that:
There are two sliding block (9) settings, is provided with reset spring (11) between two sliding blocks (9)；
The both ends of the reset spring (11) are fitted and connected with two sliding blocks (9) respectively.
6. a kind of miniature circuit breaker according to claim 1 and circuit protection device, it is characterised in that:
The moving contact (4) offers card slot (12) on the position close to fixture block (10)；
The fixture block (10) is adapted with card slot (12).
7. a kind of miniature circuit breaker according to claim 1 and circuit protection device, it is characterised in that:
The pulley (13) is located in pulley groove (14), and the pulley (13) is slidably connected with pulley groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822075944.1U CN209000840U (en) | 2018-12-11 | 2018-12-11 | A kind of miniature circuit breaker and circuit protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822075944.1U CN209000840U (en) | 2018-12-11 | 2018-12-11 | A kind of miniature circuit breaker and circuit protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000840U true CN209000840U (en) | 2019-06-18 |
Family
ID=66808490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822075944.1U Active CN209000840U (en) | 2018-12-11 | 2018-12-11 | A kind of miniature circuit breaker and circuit protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117738A (en) * | 2020-09-25 | 2020-12-22 | 南京合弘盛电子科技有限公司 | Prevent overheat protection's circuit breaker intelligent protection device |
| CN114263408A (en) * | 2021-12-08 | 2022-04-01 | 张亚范 | Buffering hinge |
-
2018
- 2018-12-11 CN CN201822075944.1U patent/CN209000840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117738A (en) * | 2020-09-25 | 2020-12-22 | 南京合弘盛电子科技有限公司 | Prevent overheat protection's circuit breaker intelligent protection device |
| CN114263408A (en) * | 2021-12-08 | 2022-04-01 | 张亚范 | Buffering hinge |
| CN114263408B (en) * | 2021-12-08 | 2023-12-12 | 深圳辉业科技有限公司 | Buffer hinge |
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