CN218647863U - Phase selection circuit breaker - Google Patents
Phase selection circuit breaker Download PDFInfo
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- CN218647863U CN218647863U CN202222922182.0U CN202222922182U CN218647863U CN 218647863 U CN218647863 U CN 218647863U CN 202222922182 U CN202222922182 U CN 202222922182U CN 218647863 U CN218647863 U CN 218647863U
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- circuit breaker
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Abstract
The utility model discloses a phase selection circuit breaker, including the circuit breaker body, a plurality of plug wire holes have all been seted up, and are a plurality of to circuit breaker body top and bottom the plug wire hole side all sets up threaded hole, threaded hole inside rotates and is connected with the screw, the plug wire hole side is close to threaded hole department and has seted up movable groove, and the inside line ball structure that is equipped with the extrusion electric wire of activity inslot. The utility model discloses in, be provided with the circuit breaker body, the plug wire hole has all been seted up on circuit breaker body top and bottom, inside one side in plug wire hole is equipped with thread groove and screw, the inside thread groove department that is close to in plug wire hole is equipped with line ball structure, line ball structure includes first spring, ejector pin and driving lever, consequently when working a telephone switchboard to this circuit breaker, can drive the ejector pin through first spring and pre-compress in the plug wire downthehole to the electric wire, when recycling the screwdriver and twist the screw and fix the electric wire, just do not need hand electric wire for the connection installation of electric wire is more convenient.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a phase selection circuit breaker.
Background
The phase selection circuit breaker is one of the most widely applied and most important core devices in the power transmission and distribution system, the safety and reliability of the operation of the phase selection circuit breaker are very critical to the power system, when faults such as serious overload or short circuit occur in a power circuit, the circuit breaker automatically cuts off the circuit to realize circuit protection, the current circuit breaker is widely applied, and the cutting-off action of the circuit breaker is mainly used for overheat, overload or short circuit protection of the power circuit.
Usually, a plurality of circuit breakers are arranged in a power distribution cabinet side by side, and each circuit breaker needs to be fixed through a separate screw, so that the installation efficiency of the circuit breaker is low. Secondly, when the phase selection circuit breaker is connected with an electric wire, the electric wire is hard and is easy to pop out of the wiring hole after being inserted into the wiring hole, so that an electrician needs to hold the electric wire with one hand and then screw the screw with a screwdriver with the other hand, the screw is easy to fall out of the threaded hole, and the installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art and providing a phase selection circuit breaker.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a phase selection circuit breaker, includes the circuit breaker body, a plurality of plug wire holes have all been seted up to circuit breaker body top and bottom, and are a plurality of plug wire hole side all sets up threaded hole, threaded hole inside rotates and is connected with the screw, the plug wire hole side is close to threaded hole department and has seted up movable groove, and the inside line ball structure who extrudees the electric wire that is equipped with of activity inslot, the circuit breaker body back is fixed with the horizontal pole, horizontal pole one end is fixed with the joint head, the draw-in groove that matches with the joint head is seted up to the horizontal pole other end, the draw-in groove is kept away from circuit breaker body one side and has been seted up the card hole, the nearly card hole one side of card of joint head rest is equipped with the block structure with card hole joint, circuit breaker body top is fixed with the installation piece.
Furthermore, the threaded hole is communicated with the inside of the wire inserting hole, and the screw extends to the inside of the wire inserting hole, so that the screw can be screwed into the wire inserting hole to fix the electric wire.
Furthermore, the wire pressing structure comprises a first spring fixed on the inner side wall of the movable groove, a push rod is fixed at the other end of the first spring, one end, far away from the first spring, of the push rod is located inside the wire inserting hole, the push rod can pre-press the electric wire in the wire inserting hole through the elastic force of the first spring, and when the electric wire is prevented from being connected, the electric wire is popped out from the wire inserting hole.
Furthermore, a bar-shaped opening is formed in one side, close to the surface of the circuit breaker body, of the movable groove, a driving lever is fixed to one end, located in the movable groove, of the ejector rod, the driving lever penetrates through the bar-shaped opening and is in sliding connection with the bar-shaped opening, the ejector rod can be returned to the movable groove by stirring the driving lever, and at the moment, the electric wire can be inserted into the wire plugging hole.
Furthermore, the block structure is including seting up in the recess of joint one side, and the recess inner wall is fixed with the second spring, second spring other end is fixed with the kelly, the kelly is kept away from the one end and the card hole block of second spring to can make the joint fix in the draw-in groove of adjacent horizontal pole.
Furthermore, one end of the clamping rod, which is far away from the second spring, is designed to be a round head, so that the clamping rod can be clamped into the clamping hole more easily.
Furthermore, the mounting hole has been seted up at the mounting plate middle part, can fix the mounting plate inside the switch board through the mounting hole, realizes the installation of circuit breaker.
The utility model has the advantages that:
1. the utility model discloses when using, through setting up the circuit breaker body, the plug wire hole has all been seted up to circuit breaker body top and bottom, the inside one side of plug wire hole is equipped with thread groove and screw, the inside thread groove department that is close to of plug wire hole is equipped with the line ball structure, the line ball structure includes first spring, ejector pin and driving lever, consequently when working a telephone switchboard to this circuit breaker, can drive the ejector pin through first spring and pre-compress in the plug wire downthehole, when recycling the screwdriver and twist the screw and fix the electric wire, just do not need hand electric wire, make the connection installation of electric wire more convenient.
2. The utility model discloses when using, through at the fixed horizontal pole in the circuit breaker body back, the horizontal pole both ends are equipped with joint head and draw-in groove respectively, when installing a plurality of circuit breakers, can splice two adjacent circuit breakers through the horizontal pole for a plurality of circuit breakers link together fast, only need pass through the circuit breaker at both ends the installation piece on top fix inside the switch board can at last, need not all pass through the screw fixation with every circuit breaker in the switch board, can improve the installation effectiveness of circuit breaker greatly.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a top view of the connection of two circuit breakers of the present invention;
fig. 4 is an enlarged view of the position a of the present invention.
Illustration of the drawings:
1. a circuit breaker body; 2. a wire insertion hole; 3. a threaded hole; 4. a screw; 5. a movable groove; 6. a first spring; 7. a top rod; 8. a deflector rod; 9. a strip-shaped opening; 10. a cross bar; 11. a clamping head; 12. a card slot; 13. clamping holes; 14. a groove; 15. a second spring; 16. a clamping rod; 17. mounting a sheet; 18. and (7) installing holes.
Detailed Description
As shown in fig. 1-4, a phase selection circuit breaker is related to, including circuit breaker body 1, a plurality of plug wire holes 2 have all been seted up on 1 top of circuit breaker body and bottom, threaded hole 3 has all been seted up to a plurality of plug wire hole 2 sides, 3 inside rotations in threaded hole are connected with screw 4, 2 sides in plug wire hole are close to 3 departments of threaded hole and have seted up movable groove 5, and the inside wire pressing structure who extrudes the electric wire that is equipped with in movable groove 5, 1 back of circuit breaker body is fixed with horizontal pole 10, horizontal pole 10 one end is fixed with joint 11, the draw-in groove 12 that matches with joint 11 is seted up to the horizontal pole 10 other end, 1 one side of circuit breaker body is kept away from to draw-in groove 12 has seted up card hole 13, joint 11 is close to card hole 13 one side and is equipped with the block structure with card hole 13 joint, 1 top of circuit breaker body is fixed with mounting plate 17. The middle part of the mounting piece 17 is provided with a mounting hole 18.
As shown in fig. 1 and 2, the threaded hole 3 communicates with the inside of the wire insertion hole 2, and the screw 4 extends to the inside of the wire insertion hole 2. Line ball structure is including being fixed in the first spring 6 of 5 inside walls in activity groove, and 6 other ends of first spring are fixed with ejector pin 7, and the one end that first spring 6 was kept away from to ejector pin 7 is located inside wire insertion hole 2. The bar mouth 9 has been seted up near 1 surperficial one side in the activity groove 5 of circuit breaker body, and the one end that ejector pin 7 is located activity groove 5 is fixed with driving lever 8, and driving lever 8 passes bar mouth 9 and with bar mouth 9 sliding connection, during the connecting wire, can stir driving lever 8 then insert wire in plug wire hole 2 inside, utilize ejector pin 7 to compress tightly fixedly to the electric wire, then further fix the electric wire through screw 4.
As shown in fig. 3 and 4, the engaging structure includes a groove 14 opened on one side of the engaging head 11, a second spring 15 is fixed on an inner wall of the groove 14, a locking rod 16 is fixed on the other end of the second spring 15, and one end of the locking rod 16 far away from the second spring 15 is engaged with the locking hole 13. One end of the clamping rod 16, which is far away from the second spring 15, is designed to be a round head, so that two adjacent cross rods 10 can be fixedly butted through the clamping joints 11 and the clamping grooves 12, and thus the fixed connection of two adjacent circuit breaker bodies 1 is realized.
When in use: splice a plurality of circuit breaker bodies 1 that will install earlier, the concatenation mode is: press down the kelly 16 of a circuit breaker body 1 back bayonet joint 11, make in its withdrawal recess 14, then insert the bayonet joint 11 of this horizontal pole 10 in the draw-in groove 12 of another circuit breaker body 1 back horizontal pole 10, under second spring 15 elasticity, kelly 16 and card hole 13 block, realize the fixed connection of two horizontal poles 10, two circuit breaker body 1's fixed connection has also been realized, splice a plurality of circuit breaker bodies 1 according to this mode, install the piece 17 through the 1 top of circuit breaker body at both ends after that with a plurality of circuit breaker bodies 1 jointly fix inside the switch board. When connecting the electric wire, stir the driving lever 8 that corresponds plug wire hole 2 one side for in the ejector pin 7 withdrawal activity groove 5, then insert the electric wire in this plug wire hole 2, loosen driving lever 8 afterwards, under first spring 6 elasticity, ejector pin 7 withstands the electric wire, and the rethread screwdriver is screwed in screw hole 3 with screw 4 in, the realization can to the fastening of electric wire.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A phase selection circuit breaker comprises a circuit breaker body (1), and is characterized in that: a plurality of plug wire holes (2) have all been seted up on circuit breaker body (1) top and bottom, and are a plurality of threaded hole (3) have all been seted up to plug wire hole (2) side, threaded hole (3) inside rotation is connected with screw (4), movable groove (5) have been seted up near threaded hole (3) department to plug wire hole (2) side, and the inside line ball structure that is equipped with the extrusion electric wire of movable groove (5), circuit breaker body (1) back is fixed with horizontal pole (10), horizontal pole (10) one end is fixed with joint head (11), draw-in groove (12) that matches with joint head (11) are seted up to the horizontal pole (10) other end, circuit breaker body (1) one side is kept away from in draw-in groove (12) has seted up card hole (13), card joint (11) are close to card hole (13) one side and are equipped with the block structure with card hole (13) joint, circuit breaker body (1) top is fixed with installation piece (17).
2. A phase selecting circuit breaker as claimed in claim 1, characterized in that: the threaded hole (3) is communicated with the inside of the wire inserting hole (2), and the screw (4) extends to the inside of the wire inserting hole (2).
3. A phase selecting circuit breaker according to claim 1, characterized in that: the wire pressing structure comprises a first spring (6) fixed on the inner side wall of the movable groove (5), a push rod (7) is fixed to the other end of the first spring (6), and one end, far away from the first spring (6), of the push rod (7) is located inside the wire inserting hole (2).
4. A phase selection circuit breaker according to claim 3, characterized in that: the circuit breaker is characterized in that a bar-shaped opening (9) is formed in one side, close to the surface of the circuit breaker body (1), of the movable groove (5), a shifting rod (8) is fixed to one end, located in the movable groove (5), of the ejector rod (7), and the shifting rod (8) penetrates through the bar-shaped opening (9) and is connected with the bar-shaped opening (9) in a sliding mode.
5. A phase selecting circuit breaker as claimed in claim 1, characterized in that: the clamping structure comprises a groove (14) formed in one side of the clamping connector (11), a second spring (15) is fixed on the inner wall of the groove (14), a clamping rod (16) is fixed to the other end of the second spring (15), and one end, far away from the second spring (15), of the clamping rod (16) is clamped with the clamping hole (13).
6. The phase selection circuit breaker according to claim 5, wherein: one end of the clamping rod (16) far away from the second spring (15) is designed to be a round head.
7. A phase selecting circuit breaker as claimed in claim 1, characterized in that: the middle part of the mounting piece (17) is provided with a mounting hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222922182.0U CN218647863U (en) | 2022-11-03 | 2022-11-03 | Phase selection circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222922182.0U CN218647863U (en) | 2022-11-03 | 2022-11-03 | Phase selection circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218647863U true CN218647863U (en) | 2023-03-17 |
Family
ID=85497416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222922182.0U Active CN218647863U (en) | 2022-11-03 | 2022-11-03 | Phase selection circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218647863U (en) |
-
2022
- 2022-11-03 CN CN202222922182.0U patent/CN218647863U/en active Active
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