CN218471872U - Small circuit breaker for preventing lead from loosening - Google Patents
Small circuit breaker for preventing lead from loosening Download PDFInfo
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- CN218471872U CN218471872U CN202222874729.4U CN202222874729U CN218471872U CN 218471872 U CN218471872 U CN 218471872U CN 202222874729 U CN202222874729 U CN 202222874729U CN 218471872 U CN218471872 U CN 218471872U
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- circuit breaker
- breaker body
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- supporting plate
- wire
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Abstract
The utility model discloses a miniature circuit breaker for preventing a wire from loosening, which belongs to the field of circuit breakers and comprises a circuit breaker body, wherein the upper surface and the lower surface of the circuit breaker body are provided with wire inserting holes, the front position of the circuit breaker body is provided with a countersunk head screw hole, and the end surface position of the circuit breaker body with the wire inserting holes is fixedly connected with a supporting plate; the surface of the supporting plate is inserted with a clamping assembly, the clamping assembly comprises a clamping plate, guide rods and a return spring A, the guide rods are symmetrically arranged on the surface of the clamping plate, and the return spring A is sleeved outside the guide rods; the circuit breaker body terminal surface position fixedly connected with guide holder, the guide holder surface is provided with the subassembly that draws. The backup pad cooperation centre gripping subassembly is used, under reset spring A and reset spring B's elastic force effect, and is fixed to the inside external conductor centre gripping of the wire spliced eye of plug-in connection at the circuit breaker body, has fine locking protection effect that takes off.
Description
Technical Field
The utility model relates to a circuit breaker field, more specifically say, relate to a miniature circuit breaker that prevents wire pine and take off.
Background
The miniature circuit breaker is a current-limiting type circuit breaker with overload and short-circuit protection, is suitable for overload and short-circuit protection of industrial and commercial lighting power distribution systems with 50Hz alternating current, 230V unipolar voltage and below, and 400V bipolar voltage and below, and can also be used for infrequent on-off switching of lines under normal conditions. The existing leakage circuit breaker with the lead installation structure, which is disclosed in the patent No. CN216213185U, is fixed in a place where the leakage circuit breaker needs to be used through screws, the height of combing according to a circuit needs to be integrally adjusted, the movable sleeve plate is pulled to slide to the height of locating, and the locating screw is used for fixing the position of the movable sleeve plate, so that the leakage circuit breaker is suitable for electrical cabinets with different fixed heights.
However, for the miniature circuit breaker installed on the surface of the carrier and moving back and forth along with the carrier, the vibration generated in the running process of the carrier directly acts on the surface of the circuit breaker, the surface of the miniature circuit breaker is used for pressing a bolt of an external lead to be loosened easily, the clamping force on a lead terminal is reduced, the stability is poor, the lead is loosened or even falls off, and the using effect is influenced, so the miniature circuit breaker for preventing the lead from loosening is provided for solving the existing problems.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a miniature circuit breaker that anti-loosening of wire takes off, backup pad cooperation centre gripping subassembly uses, under reset spring A and reset spring B's spring action, and is fixed to the inside external conductor centre gripping of the wire spliced eye of plug-in connection at the circuit breaker body, has fine locking protection effect that takes off.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A small circuit breaker for preventing a wire from loosening comprises a circuit breaker body, wherein wire inserting holes are formed in the upper surface and the lower surface of the circuit breaker body, countersunk screw holes are formed in the front surface of the circuit breaker body, and a supporting plate is fixedly connected to the end surface of the circuit breaker body, which is provided with the wire inserting holes;
the surface of the supporting plate is inserted with a clamping assembly, the clamping assembly comprises a clamping plate, guide rods and a return spring A, the guide rods are symmetrically arranged on the surface of the clamping plate, and the return spring A is sleeved outside the guide rods;
the circuit breaker body terminal surface fixedly connected with guide holder, the guide holder surface is provided with pulls the subassembly, it includes pull rod, reset spring B and pulls the seat to pull the subassembly, pull seat and pull rod fixed connection, reset spring B cup joints at the pull rod outside.
Further, the surface of the supporting plate is provided with an arc-shaped clamping groove A, and the surface of the clamping plate is provided with an arc-shaped clamping groove B.
Furthermore, the surfaces of the arc-shaped clamping grooves A of the supporting plate and the surfaces of the arc-shaped clamping grooves B of the clamping plates are all bonded with rubber strips, and anti-skidding lines are arranged on the surfaces of the rubber strips.
Furthermore, the guide holder surface is provided with the guiding hole, the pull rod runs through the guiding hole on guide holder surface and sets up for sliding, reset spring B is located between splint and the guide holder.
Furthermore, the surface of the supporting plate is symmetrically provided with guide holes, the guide rod penetrates through the guide holes of the supporting plate and is arranged in a sliding mode, and the reset spring A is located on the outer side of the supporting plate.
Furthermore, the surface of the circuit breaker body is provided with a guide groove, and a baffle is inserted in the guide groove of the circuit breaker body in a sliding manner.
Furthermore, the guide way of circuit breaker body is located countersunk screw outside, the baffle is located countersunk screw one side of circuit breaker body.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) This scheme, fixed connection has the centre gripping subassembly in the backup pad surface slip grafting of circuit breaker body terminal surface, the centre gripping subassembly includes splint, guide bar and reset spring A, when the wire spliced eye grafting wire of relative circuit breaker body terminal surface, pull the seat of towing in the outside pulling, the relative guide holder of pull rod slides, reset spring B is the extension state, the relative backup pad of guide bar of splint slides, reset spring A is compression state, after the grafting wire, remove the pulling force to the seat of towing, under reset spring A and reset spring B's the spring action, splint are fixed to the wire centre gripping on backup pad surface, good stability, the phenomenon that the pine takes off is difficult for appearing.
(2) According to the scheme, the wire is inserted into the wire inserting hole, the locking bolt is inserted into the countersunk head screw hole, the baffle is pushed along the guide groove in the surface of the breaker body, and the baffle blocks and limits the locking bolt in the countersunk head screw hole, so that a good anti-loosening effect is achieved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the connection structure of the supporting plate and the clamping plate of the present invention;
fig. 3 is a schematic view of the main body of the circuit breaker of the present invention;
fig. 4 is the utility model discloses a circuit breaker body looks sideways at the structural schematic.
The reference numbers in the figures illustrate:
1. a circuit breaker body; 101. a push handle; 2. countersunk head screw holes; 3. a baffle plate; 4. a support plate; 5. a splint; 6. a guide bar; 7. a return spring A; 8. a guide seat; 9. a pull rod; 10. a return spring B; 11. a traction seat; 12. a rubber strip.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a miniature circuit breaker for preventing a wire from loosening comprises a circuit breaker body 1, wherein a push handle 101 is installed on the front surface of the circuit breaker body 1, wire insertion holes are formed in the upper surface and the lower surface of the circuit breaker body 1, a countersunk screw hole 2 is formed in the front surface of the circuit breaker body 1, and a supporting plate 4 is fixedly connected to the end surface of the circuit breaker body 1 with the wire insertion holes;
the surface of the supporting plate 4 is inserted with a clamping assembly, the clamping assembly comprises a clamping plate 5, a guide rod 6 and a return spring A7, the guide rod 6 is symmetrically arranged on the surface of the clamping plate 5, and the return spring A7 is sleeved outside the guide rod 6;
the circuit breaker comprises a breaker body and is characterized in that a guide seat 8 is fixedly connected with the end face of the breaker body 1, a traction assembly is arranged on the surface of the guide seat 8, the traction assembly comprises a pull rod 9, a return spring B10 and a traction seat 11, the traction seat 11 is fixedly connected with the pull rod 9, and the return spring B10 is sleeved outside the pull rod 9.
It should be noted that, fixed connection has the centre gripping subassembly in 4 surperficial slip pegs graft of backup pad of 1 terminal surface of circuit breaker body, the centre gripping subassembly includes splint 5, guide bar 6 and reset spring A7, when the wire plug-in connection hole grafting wire of 1 terminal surface of circuit breaker body relatively, outside pulling traction seat 11, pull rod 9 slides relative guide seat 8, reset spring B10 is the extension state, guide bar 6 of splint 5 slides relative backup pad 4, reset spring A7 is compression state, after the grafting wire, remove the pulling force to traction seat 11, under reset spring A7 and reset spring B10's spring action, splint 5 are fixed to the wire centre gripping on backup pad 4 surface, good stability, the difficult phenomenon that the pine takes off appears.
Example two
Referring to fig. 2, the surface of the supporting plate 4 is provided with an arc-shaped clamping groove a, the surface of the clamping plate 5 is provided with an arc-shaped clamping groove B, the surfaces of the arc-shaped clamping groove a of the supporting plate 4 and the arc-shaped clamping groove B of the clamping plate 5 are both bonded with rubber strips 12, and the surfaces of the rubber strips 12 are provided with anti-skid lines.
It should be noted that the arc-shaped clamping groove a on the surface of the supporting plate 4 is used in cooperation with the arc-shaped clamping groove B on the surface of the clamping plate 5 to clamp and fix the wire, and the rubber strip 12 increases the friction between the supporting plate 4 and the clamping plate 5 and the wire, thereby improving the stability.
EXAMPLE III
Referring to fig. 2, the surface of the guide holder 8 is provided with a guide hole, the pull rod 9 penetrates through the guide hole on the surface of the guide holder 8 and is arranged in a sliding manner, the reset spring B10 is located between the clamping plate 5 and the guide holder 8, the guide hole is symmetrically formed in the surface of the supporting plate 4, the guide rod 6 penetrates through the guide hole of the supporting plate 4 and is arranged in a sliding manner, and the reset spring A7 is located outside the supporting plate 4.
The support plate 4 is used in cooperation with the clamp plate 5 to clamp and fix the wire.
Example four
Referring to fig. 1, a guide groove is formed in the surface of the circuit breaker body 1, a baffle 3 is inserted into the guide groove of the circuit breaker body 1 in a sliding manner, the guide groove of the circuit breaker body 1 is located outside the countersunk head screw hole 2, and the baffle 3 is located on one side of the countersunk head screw hole 2 of the circuit breaker body 1.
It should be noted that, after the wire is inserted into the wire inserting hole, the locking bolt is inserted into the countersunk head screw hole 2, the baffle 3 is pushed along the guide groove on the surface of the circuit breaker body 1, and the baffle 3 stops and limits the locking bolt inside the countersunk head screw hole 2, so that the anti-loosening effect is good.
When in use: the surface of a supporting plate 4 fixedly connected to the end face of a circuit breaker body 1 is inserted with a clamping assembly in a sliding mode, the clamping assembly comprises a clamping plate 5, a guide rod 6 and a reset spring A7, when a wire is inserted into a wire insertion hole in the end face of the circuit breaker body 1, a traction seat 11 is pulled outwards, a pull rod 9 slides relative to a guide seat 8, a reset spring B10 is in an extension state, the guide rod 6 of the clamping plate 5 slides relative to the supporting plate 4, the reset spring A7 is in a compression state, after the wire is inserted, the pulling force on the traction seat 11 is removed, and under the elastic force action of the reset spring A7 and the reset spring B10, the clamping plate 5 clamps and fixes the wire on the surface of the supporting plate 4, so that the stability is good, and the phenomenon of loosening is not prone to occur; the wire is pegged graft inside the wire spliced eye after, uses locking bolt to peg graft inside countersunk head screw 2, promotes baffle 3 along the guide way on 1 surperficial of circuit breaker body, and baffle 3 stops and spacing to the locking bolt of countersunk head screw 2 inside, also has fine locking pine and takes off the effect.
The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a prevent miniature circuit breaker that wire pine takes off, includes circuit breaker body (1), circuit breaker body (1) openly the position is installed and is pushed away handle (101), circuit breaker body (1) upper and lower surface all is provided with wire spliced eye, its characterized in that: the front side of the circuit breaker body (1) is provided with a countersunk head screw hole (2), and the end face of the circuit breaker body (1) with a wire plug hole is fixedly connected with a support plate (4);
the surface of the supporting plate (4) is inserted with a clamping assembly, the clamping assembly comprises a clamping plate (5), guide rods (6) and a return spring A (7), the guide rods (6) are symmetrically arranged on the surface of the clamping plate (5), and the return spring A (7) is sleeved outside the guide rods (6);
the circuit breaker body (1) terminal surface position fixedly connected with guide holder (8), guide holder (8) surface is provided with pulls the subassembly, pull the subassembly and include pull rod (9), reset spring B (10) and pull seat (11), pull seat (11) and pull rod (9) fixed connection, reset spring B (10) cup joint in pull rod (9) outside.
2. A miniature circuit breaker for preventing conductor release as set forth in claim 1, wherein: the surface of the supporting plate (4) is provided with an arc-shaped clamping groove A, and the surface of the clamping plate (5) is provided with an arc-shaped clamping groove B.
3. A miniature circuit breaker for preventing conductor release as set forth in claim 2, wherein: the rubber strip (12) is bonded to the surfaces of the arc-shaped clamping grooves A of the supporting plate (4) and the arc-shaped clamping grooves B of the clamping plates (5), and anti-skidding lines are arranged on the surfaces of the rubber strips (12).
4. A miniature circuit breaker against conductor loosening as set forth in claim 1, wherein: guide holder (8) surface is provided with the guiding hole, pull rod (9) run through the guiding hole on guide holder (8) surface and set up for sliding, reset spring B (10) are located between splint (5) and guide holder (8).
5. A miniature circuit breaker against conductor loosening as set forth in claim 1, wherein: the surface of the supporting plate (4) is symmetrically provided with guide holes, the guide rod (6) penetrates through the guide holes of the supporting plate (4) and is arranged in a sliding mode, and the reset spring A (7) is located on the outer side of the supporting plate (4).
6. A miniature circuit breaker against conductor loosening as set forth in claim 1, wherein: the surface of the circuit breaker body (1) is provided with a guide groove, and the guide groove of the circuit breaker body (1) is inserted with a baffle (3) in a sliding manner.
7. A miniature circuit breaker against conductor loosening as set forth in claim 6, wherein: the guide way of circuit breaker body (1) is located countersunk screw (2) outside, baffle (3) are located countersunk screw (2) one side of circuit breaker body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874729.4U CN218471872U (en) | 2022-10-28 | 2022-10-28 | Small circuit breaker for preventing lead from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874729.4U CN218471872U (en) | 2022-10-28 | 2022-10-28 | Small circuit breaker for preventing lead from loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218471872U true CN218471872U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222874729.4U Active CN218471872U (en) | 2022-10-28 | 2022-10-28 | Small circuit breaker for preventing lead from loosening |
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| Country | Link |
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| CN (1) | CN218471872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117116708A (en) * | 2023-10-13 | 2023-11-24 | 浙江环方汽车电器有限公司 | Dual-sealing ceramic high-voltage direct-current contactor |
-
2022
- 2022-10-28 CN CN202222874729.4U patent/CN218471872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117116708A (en) * | 2023-10-13 | 2023-11-24 | 浙江环方汽车电器有限公司 | Dual-sealing ceramic high-voltage direct-current contactor |
| CN117116708B (en) * | 2023-10-13 | 2024-04-02 | 浙江环方汽车电器有限公司 | Dual-sealing ceramic high-voltage direct-current contactor |
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