CN212874389U - Electric leakage self-locking device for circuit breaker - Google Patents
Electric leakage self-locking device for circuit breaker Download PDFInfo
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- CN212874389U CN212874389U CN202022145242.3U CN202022145242U CN212874389U CN 212874389 U CN212874389 U CN 212874389U CN 202022145242 U CN202022145242 U CN 202022145242U CN 212874389 U CN212874389 U CN 212874389U
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- circuit breaker
- breaker body
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Abstract
The utility model discloses a electric leakage self-lock device for circuit breaker, including the circuit breaker body, rotate on the circuit breaker body and be provided with the handle bar, the one end rigid coupling that the circuit breaker body was kept away from to the handle bar has the handle piece, is provided with reset button on the circuit breaker body, is provided with locking mechanical system between the outside of handle bar and the circuit breaker body. When circuit breaker body creepage tripping operation, the handle bar descends and drives the slide bar, the second connecting cylinder slides in first spout after, the elasticity of spring can push the chucking piece into the chucking inslot, when the user needs to close a floodgate, then need earlier press reset button, then press the connecting rod, the connecting rod pushes down the chucking piece, make chucking piece roll-off chucking groove, just can push the handle piece this moment, reach the effect of closing a floodgate, operation steps have been increased, can avoid operating the nonstandard person to open and close the circuit breaker body fast in the short time, reach the effect of protection circuit breaker body.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, especially, relate to an electric leakage self-lock device for circuit breaker.
Background
The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.
The prior art has the following problems: when the electric leakage, the circuit breaker can't close a floodgate, and most people can not understand the power consumption standard, and lead to can open and close the circuit breaker fast in the short time, has caused the damage to circuit breaker, circuit, is unfavorable for the use of circuit breaker.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking device locks the circuit breaker handle, increases the step of starting the circuit breaker and avoids opening and close fast in the circuit breaker short time to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a electric leakage self-lock device for circuit breaker, includes the circuit breaker body, rotates on the circuit breaker body and is provided with the handle bar, and the one end rigid coupling that the circuit breaker body was kept away from to the handle bar has the handle piece, is provided with reset button on the circuit breaker body, is provided with locking mechanical system between the outside of handle bar and the circuit breaker body.
The locking mechanism comprises a first connecting cylinder fixedly connected to the circuit breaker body, a first sliding groove is formed in one end, far away from the circuit breaker body, of the first connecting cylinder, a second connecting cylinder is arranged in the first sliding groove in a sliding mode, a second sliding groove is formed in one end, far away from the first sliding groove, of the second connecting cylinder, a sliding rod is arranged in the second sliding groove in a sliding mode, and the sliding rod is fixedly connected with the handle rod.
The one end rigid coupling that the second connecting cylinder stretched into first spout has the connecting plate, the chucking groove that communicates with first spout is seted up on the top of first connecting cylinder, the one end rigid coupling that the connecting plate is close to the chucking groove has the spring, the one end rigid coupling that the spring is close to the chucking groove has the chucking piece, the chucking piece shuttles back and forth and the chucking inslot, the chucking inslot slides and is provided with the connecting rod, the top of first connecting cylinder is stretched out on the top of connecting rod, the spacing groove has all been seted up to the inner wall both sides in chucking groove, the outside rigid coupling of connecting rod has two gag lever posts that are located the spacing ins.
In a preferred embodiment, a spacing ring is fixedly connected to the outer side wall of the clamping block, and the diameter of the spacing ring is larger than that of the clamping groove.
In a preferred embodiment, the top surface of the stop collar is provided with a plurality of resilient pads.
In a preferred embodiment, the one end rigid coupling that the slide bar stretches into in the second spout has the stopper, and the inner wall rigid coupling of second spout has the limiting plate, and the limiting plate is used for blockking the stopper.
In a preferred embodiment, a return spring is fixedly connected between the limiting rod and the limiting groove along the sliding direction of the connecting rod.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up locking mechanical system on the handle bar, when circuit breaker body creepage tripping operation, the handle bar descends and drives the slide bar, the second connecting cylinder slides in first spout after, the elasticity of spring can push the chucking piece into the chucking inslot, when the user needs to close a floodgate, then need press reset button earlier, then press the connecting rod again, the chucking piece is pushed down to the connecting rod, make chucking piece roll-off chucking groove, just can push the handle piece this moment, reach the effect of combined floodgate, operating procedure has been increased, can avoid operating the nonstandard person to open and close the circuit breaker body fast in the short time, reach the effect of protection circuit breaker body.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the locking mechanism of FIG. 2 according to the present invention;
fig. 4 is a sectional view of the connection plate and the first connection cylinder of fig. 3 according to the present invention;
in the figure: 1. a circuit breaker body; 2. a locking mechanism; 21. a slide bar; 22. a second connecting cylinder; 23. a first connecting cylinder; 3. a handle bar; 4. a handle block; 5. a reset button; 6. a clamping block; 7. a connecting rod; 8. a clamping groove; 9. a connecting plate; 10. a first chute; 11. a second chute; 12. a limiting plate; 13. a limiting block; 14. a limiting ring; 15. a return spring; 16. a limiting groove; 17. a limiting rod; 18. an elastic pad; 19. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a electric leakage self-lock device for circuit breaker, includes circuit breaker body 1, rotates on the circuit breaker body 1 and is provided with handle bar 3, and the one end rigid coupling that circuit breaker body 1 was kept away from to handle bar 3 has handle piece 4, is provided with reset button 5 on the circuit breaker body 1, is provided with locking mechanical system 2 between the outside of handle bar 3 and the circuit breaker body 1.
Locking mechanical system 2 includes the first connecting cylinder 23 of rigid coupling on circuit breaker body 1, and first connecting cylinder 23 is kept away from the one end of circuit breaker body 1 and has been seted up first spout 10, and it is provided with second connecting cylinder 22 to slide in first spout 10, and second connecting cylinder 22 is kept away from the one end of first spout 10 and has been seted up second spout 11, and it is provided with slide bar 21 to slide in second spout 11, slide bar 21 and handle bar 3 fixed connection.
The one end rigid coupling that second connecting cylinder 22 stretched into first spout 10 has connecting plate 9, the chucking groove 8 that communicates with first spout 10 is seted up on the top of first connecting cylinder 23, the one end rigid coupling that connecting plate 9 is close to chucking groove 8 has spring 19, spring 19 is close to the one end rigid coupling of chucking groove 8 has chucking piece 6, chucking piece 6 shuttles back and forth and in chucking groove 8, it is provided with connecting rod 7 to slide in chucking groove 8, the top of first connecting cylinder 23 is stretched out on the top of connecting rod 7, spacing groove 16 has all been seted up to the inner wall both sides in chucking groove 8, the outside rigid coupling of connecting rod 7 has two gag lever posts 17 that are located spacing groove 16 respectively.
In this embodiment: by arranging the locking mechanism 2 on the handle lever 3, when the circuit breaker body 1 is tripped due to electric leakage, the handle lever 3 descends to drive the sliding rod 21 and the second connecting cylinder 22 to slide, after the second connecting cylinder 22 slides in the first sliding chute 10, the elastic force of the spring 19 can push the clamping block 6 into the clamping groove 8, when a user needs to switch on, the reset button 5 needs to be pressed first, then the connecting rod 7 is pressed, the connecting rod 7 presses the clamping block 6 downwards, the clamping block 6 slides out of the clamping groove 8, the handle block 4 and the handle rod 3 can be pushed at the moment, the effect of closing is achieved, the operation steps are increased, can avoid the situation that an operator with irregular operation quickly opens and closes the breaker body 1 in a short time to achieve the effect of protecting the breaker body 1, when the connecting rod 7 slides, the limiting rod 17 can shuttle in the limiting groove 16 to achieve the limiting effect, and the connecting rod 7 is prevented from falling into the first sliding groove 10.
Specifically, the outer side wall of the clamping block 6 is fixedly connected with a limiting ring 14, and the diameter of the limiting ring 14 is larger than that of the clamping groove 8; the spacing ring 14 can prevent the clamping block 6 from completely entering the clamping groove 8 and impacting the connecting rod 7, so that the effect of protecting the connecting rod 7 is achieved.
Specifically, the top surface of the spacing ring 14 is provided with a plurality of elastic pads 18; the elastic pad 18 can buffer the force of the limiting ring 14 impacting the first connecting cylinder 23, so as to achieve the protection effect.
Specifically, a limiting block 13 is fixedly connected to one end of the sliding rod 21 extending into the second chute 11, a limiting plate 12 is fixedly connected to the inner wall of the second chute 11, and the limiting plate 12 is used for blocking the limiting block 13; the limiting block 13 and the limiting plate 12 can prevent the sliding rod 21 from sliding out of the second sliding groove 11, so that a protection effect is achieved.
Specifically, a return spring 15 is fixedly connected between the limiting rod 17 and the limiting groove 16 along the sliding direction of the connecting rod 7; the connecting rod 7 can be pushed by the elastic force of the return spring 15, so that the connecting rod 7 is prevented from staying in the clamping groove 8 for a long time, and a user can press the connecting rod 7 conveniently.
The utility model discloses a theory of operation and use flow: when the breaker body 1 is tripped due to electric leakage, the handle rod 3 descends to drive the sliding rod 21 and the second connecting cylinder 22 to slide, after the second connecting cylinder 22 slides in the first sliding groove 10, the elastic force of the spring 19 can push the clamping block 6 into the clamping groove 8, when a user needs to switch on, the reset button 5 needs to be pressed first, then the connecting rod 7 is pressed, the connecting rod 7 presses the clamping block 6 downwards, so that the clamping block 6 slides out of the clamping groove 8, the handle block 4 and the handle rod 3 can be pushed at the moment, the effect of switching on is achieved, operation steps are added, the situation that a person with irregular operation can rapidly switch on and off the breaker body 1 in a short time can be avoided, the effect of protecting the breaker body 1 is achieved, when the connecting rod 7 slides, the limiting rod 17 can shuttle in the limiting groove 16 to achieve the limiting effect, the connecting rod 7 is prevented from falling into the first sliding groove 10, the elastic force of the reset spring 15 can push the connecting rod, avoid connecting rod 7 to stop for a long time in chucking groove 8, convenient to use person presses connecting rod 7, and spacing collar 14 can avoid chucking piece 6 all to get into chucking groove 8 in and striking connecting rod 7, reaches the effect of protection connecting rod 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a electric leakage self-lock device for circuit breaker, includes circuit breaker body (1), its characterized in that: a handle rod (3) is rotatably arranged on the breaker body (1), a handle block (4) is fixedly connected to one end, far away from the breaker body (1), of the handle rod (3), a reset button (5) is arranged on the breaker body (1), and a locking mechanism (2) is arranged between the outer side of the handle rod (3) and the breaker body (1);
the locking mechanism (2) comprises a first connecting cylinder (23) fixedly connected to the breaker body (1), a first sliding groove (10) is formed in one end, far away from the breaker body (1), of the first connecting cylinder (23), a second connecting cylinder (22) is arranged in the first sliding groove (10) in a sliding mode, a second sliding groove (11) is formed in one end, far away from the first sliding groove (10), of the second connecting cylinder (22), a sliding rod (21) is arranged in the second sliding groove (11) in a sliding mode, and the sliding rod (21) is fixedly connected with the handle rod (3);
one end rigid coupling that second connecting cylinder (22) stretched into first spout (10) has connecting plate (9), chucking groove (8) with first spout (10) intercommunication are seted up on the top of first connecting cylinder (23), one end rigid coupling that connecting plate (9) are close to chucking groove (8) has spring (19), the one end rigid coupling that spring (19) are close to chucking groove (8) has chucking piece (6), chucking piece (6) shuttle in chucking groove (8), it is provided with connecting rod (7) to slide in chucking groove (8), the top of first connecting cylinder (23) is stretched out on the top of connecting rod (7), spacing groove (16) have all been seted up to the inner wall both sides of chucking groove (8), the outside rigid coupling of connecting rod (7) has two gag lever posts (17) that are located spacing groove (16) respectively.
2. A residual current self-locking device for a circuit breaker according to claim 1, wherein: the outer side wall of the clamping block (6) is fixedly connected with a limiting ring (14), and the diameter of the limiting ring (14) is larger than that of the clamping groove (8).
3. A residual current self-locking device for a circuit breaker according to claim 2, wherein: the top surface of the spacing ring (14) is provided with a plurality of elastic pads (18).
4. A residual current self-locking device for a circuit breaker according to claim 1, wherein: one end of the sliding rod (21) extending into the second sliding chute (11) is fixedly connected with a limiting block (13), the inner wall of the second sliding chute (11) is fixedly connected with a limiting plate (12), and the limiting plate (12) is used for blocking the limiting block (13).
5. A residual current self-locking device for a circuit breaker according to claim 1, wherein: a return spring (15) is fixedly connected between the limiting rod (17) and the limiting groove (16) along the sliding direction of the connecting rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022145242.3U CN212874389U (en) | 2020-09-27 | 2020-09-27 | Electric leakage self-locking device for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022145242.3U CN212874389U (en) | 2020-09-27 | 2020-09-27 | Electric leakage self-locking device for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212874389U true CN212874389U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022145242.3U Active CN212874389U (en) | 2020-09-27 | 2020-09-27 | Electric leakage self-locking device for circuit breaker |
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| CN (1) | CN212874389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115020162A (en) * | 2022-08-05 | 2022-09-06 | 徐州华隆热电有限公司 | Low-voltage circuit breaker |
-
2020
- 2020-09-27 CN CN202022145242.3U patent/CN212874389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115020162A (en) * | 2022-08-05 | 2022-09-06 | 徐州华隆热电有限公司 | Low-voltage circuit breaker |
| CN115020162B (en) * | 2022-08-05 | 2022-10-25 | 徐州华隆热电有限公司 | Low-voltage circuit breaker |
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