CN214588675U - Plug-in circuit breaker compress tightly anticreep termination - Google Patents
Plug-in circuit breaker compress tightly anticreep termination Download PDFInfo
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- CN214588675U CN214588675U CN202120463771.XU CN202120463771U CN214588675U CN 214588675 U CN214588675 U CN 214588675U CN 202120463771 U CN202120463771 U CN 202120463771U CN 214588675 U CN214588675 U CN 214588675U
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- circuit breaker
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Abstract
The utility model relates to a plug-in circuit breaker's compress tightly anticreep termination, including plug-in circuit breaker, fastening screw, baffle, connecting plate, pivot, line ball board and installing support, the pivot set up on the installing support, the line ball board set up in the pivot and can revolve around the pivot, baffle and wiring board card put on the installing support, when needs connect external conductor, fastening screw revolves the internal thread on the baffle and directly supports the application of force end of line ball board, obtains a pressure that makes external conductor upwards and a counter force that gets into the direction along external conductor at the stress end of line ball board, simultaneously because the stress end of line ball board is provided with the barb along the direction of rotation, the terminal surface of connecting plate is provided with the cockscomb structure arch, makes the external conductor who connects difficult droing; because the fastening screw and the wiring cavity of the two poles of the circuit breaker are arranged in parallel, the arc isolating plate is arranged between the two poles, the fastening screw is arranged on the upper part, and the wiring cavity is arranged on the lower part, so that the connecting and disconnecting operation of the external lead cannot be influenced when the external lead is connected and disconnected.
Description
Technical Field
The utility model relates to a low-voltage apparatus annex, concretely relates to plug-in circuit breaker compress tightly anticreep termination.
Background
Along with the rapid development of electric power and communication technologies in China, particularly the application of 5G network technologies, increasingly high requirements are provided for the practicability, safety and reliability of terminal electrical equipment such as circuit breakers, the traditional circuit breaker can not meet the requirements far away, in the continuous research and development, the circuit breaker in China not only reaches a new level in the aspects of miniaturization, intellectualization, reliability and the like, and a plurality of brand new designs are appeared on the structure, for example, the circuit breaker can be conveniently plugged in and out and used like a common electric plug, the circuit breaker can be conveniently installed in or taken out of a circuit, the circuit breaker can be locked in a stable working state in the installation position, meanwhile, the wiring direction of the circuit breaker and the wiring direction of an external lead are in the same plane, the plug-in circuit breaker is the plug-in circuit breaker, and the plug-in circuit breaker can not only provide various safety protection measures for a power line, and the occupied space is small, and various intelligent use requirements can be provided.
At present, plug-in circuit breaker's termination has the multiple, application publication No. CN 111785578A's utility model discloses a typical compound binding post, adopt fastening screw, sliding block, the mode of spring leaf, the problem that circuit breaker wiring direction and external conductor got into the direction difference has been solved, but this structure has an important defect, when fastening screw in compressed tightly external conductor promptly, the moment of a wire roll-off direction has been applyed simultaneously for external conductor to the spring leaf, cause external conductor to follow the roll-off from the terminal frame easily and drop.
Disclosure of Invention
In order to overcome the drawback that bayonet circuit breaker termination external conductor roll-off drops easily, the utility model discloses the moment that a prevention wire roll-off can be exerted to the stress end of line ball board when compressing tightly external conductor, makes the wiring more firm reliable.
The utility model adopts the technical proposal that:
the utility model provides a plug-in circuit breaker's the anticreep termination that compresses tightly, includes plug-in circuit breaker, plug-in circuit breaker's shell sets up to the dipolar, in every utmost point front side lower part, is provided with fastening screw and wiring chamber, is provided with in the wiring intracavity and compresses tightly anticreep termination.
The anti-drop wiring device is characterized in that a fastening screw for pressing the anti-drop wiring device is arranged on the upper portion, a wiring cavity is arranged on the lower portion, the fastening screw and the wiring cavity are arranged in parallel on the lower portion of the front side of the two poles of the plug-in circuit breaker, and arc isolating plates are arranged between the two poles. The external lead is arranged below, the external lead arranged on the fastening screw does not influence the adjustment of the fastening screw when the plug-in circuit breaker is connected, and the arrangement of the two-pole spacing arc plate can block the short circuit of the electric arc between the two poles.
The anti-drop wiring device comprises a fastening screw, a baffle, a connecting plate, a rotating shaft, a wiring board and a mounting bracket, wherein the mounting bracket is arranged in a wiring cavity of the plug-in circuit breaker, the rotating shaft is arranged on the mounting bracket, the wiring board is arranged on the rotating shaft and can rotate around the rotating shaft, the baffle and the wiring board are clamped on the mounting bracket, and the fastening screw directly supports the force application end of the wiring board through an internal thread on the baffle.
The mounting bracket is rectangular and is provided with a bottom plate and two side plates perpendicular to the bottom plate, and the two side plates are correspondingly provided with a front clamping groove, a rear clamping groove and a shaft hole respectively.
The middle part of the baffle is provided with internal threads which are clamped in a front clamping groove of the mounting bracket, the connecting plate is clamped in a rear clamping groove of the mounting bracket, the fastening screw is meshed with the internal threads of the baffle, and the fastening screw can be adjusted to directly abut against the force application end of the wire pressing plate during wiring.
The tension disc is further arranged, a rotating shaft is arranged in a two-axis hole of the mounting support, the tension disc is vertically clamped on the rotating shaft, the tension disc is of a lever structure, the upper portion of the tension disc is a force application end, the lower portion of the tension disc is a force bearing end, the middle portion of the tension disc is an omega-shaped rotating shaft end, an omega-shaped hook of the tension disc is vertically clamped on the rotating shaft of the mounting support, the force application end of the tension disc abuts against a fastening screw, and the force bearing end of the tension disc is an access end of an external lead.
The connecting plate is further arranged to be bent, the rear drooping end is arranged to be a connecting end and connected with the inside of the plug-in circuit breaker, the front horizontal end is an external wire end, a round hole is formed in the vertical surface of the middle of the connecting plate, and the fastening screw penetrates through the round hole and directly abuts against the force application end of the wire pressing plate.
The connecting plate is further arranged, the external conductor end of the connecting plate is arranged on the upper portion of the plug-in circuit breaker wiring cavity, the stress end of the line pressing plate is arranged on the lower portion of the plug-in circuit breaker wiring cavity, the fastening screw is arranged above the line pressing plate, the wiring cavity is arranged below the line pressing plate, when the fastening screw is screwed and the external conductor is pressed and connected, an upward moment can be applied to the external conductor at the stress end of the line pressing plate, and the external conductor is enabled to obtain an upward pressure and a reverse force for preventing the conductor from sliding out.
And in addition, a serrated barb is arranged at the stress end of the line pressing plate along the rotating direction.
Furthermore, the lower part of the external wire end of the connecting plate is provided with saw-toothed bulges.
Further, the wire pressing plate is made of elastic alloy materials.
In a further arrangement, the plug-in circuit breaker comprises a compression anti-drop wiring device of the plug-in circuit breaker.
The pressing anti-drop wiring device with the structure has the advantages that:
because the line pressing plate is of a lever structure, when the fastening screw abuts against the force application end of the line pressing plate, the line pressing plate rotates along the anticlockwise direction of the rotating shaft, an upward moment is applied to the external lead at the force application end of the line pressing plate, so that the external lead obtains an upward pressure and a reverse force along the entering direction of the external lead to press the external lead clamped between the connecting plate and the line pressing plate; because the fastening screw and the wiring cavity of the two poles of the circuit breaker are arranged in parallel, the arc isolating plate is arranged between the two poles, the fastening screw is arranged on the upper part, and the wiring cavity is arranged on the lower part, thus the operation of connecting and disconnecting the external lead cannot be influenced when the fastening screw is rotated to connect and disconnect the external lead.
Drawings
Fig. 1 is an overall structural view of the present invention applied to a plug-in type circuit breaker;
FIG. 2 is a front view of the wiring lug;
FIG. 3 is a cross-sectional view of FIG. 2A-A;
FIG. 4 is a structural view of the mounting bracket of the present invention;
FIG. 5 is an overall view of the mounting bracket system;
FIG. 6 is a view of the internal structure of the mounting bracket;
FIG. 7 is a view showing the structure of the tension plate;
fig. 8 is a diagram showing a structure of a connection plate.
Detailed Description
It should be noted that the terms "upper part", "middle part", "lower part", "end part", "front part", "rear part", "side part" and the like in the description of the present invention indicate positional relationships based on the drawings, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The present invention will be further explained with reference to fig. 1 to 8 by specific embodiments.
The utility model provides a bayonet circuit breaker compresses tightly anticreep termination, as shown in figure 1, bayonet circuit breaker shell set up to 701, 702 dipolar, compress tightly anticreep termination and set up in circuit breaker 701, 702 dipolar shell front side lower part, fastening screw 1 is last, wiring chamber 7011 is under, and fastening screw 1 and wiring chamber 7011 dipolar are set up side by side, and the dipolar interval is provided with flash barrier 703.
The plug-in circuit breaker compression anti-drop wiring device further comprises a fastening screw 1, a baffle plate 2, a connecting plate 3, a rotating shaft 4, a wire pressing plate 5 and a mounting bracket 6, wherein the rotating shaft 4 is arranged on the mounting bracket 6, the wire pressing plate 5 is arranged on the rotating shaft 4 and can rotate around the rotating shaft 4, the baffle plate 2 is clamped on the mounting bracket 6, and the fastening screw 1 is screwed through an internal thread on the baffle plate 2 to directly abut against a force application end 501 of the wire pressing plate 5;
further, as shown in fig. 4, the mounting bracket 6 is rectangular, and is provided with a bottom plate 604 and two side plates 605 and 606 perpendicular to the bottom plate, and the two side plates 605 and 606 are respectively and correspondingly provided with a front clamping groove 601, a rear clamping groove 602 and a shaft hole 603;
as shown in fig. 4 to 6, the middle part of the baffle 2 is provided with an internal thread, which is clamped in the front clamping groove 601 of the mounting bracket, the connecting plate 3 is clamped in the rear clamping groove 602 of the mounting bracket, the fastening screw 1 is engaged with the internal thread of the baffle 2, and when the wire is connected, the fastening screw 1 is adjusted to directly abut against the force application end 501 of the wire pressing plate 5;
further, as shown in fig. 3 and 6, a rotating shaft 4 is arranged in a shaft hole 603 of two side plates of the mounting bracket 6, the line pressing plate 5 is vertically clamped on the rotating shaft 4, the line pressing plate 5 is set to be of a lever structure, the upper part is a force application end 501, the lower part is a force application end 503, the middle part is an omega-shaped rotating shaft end 502, an omega-shaped hook of the line pressing plate is vertically clamped on the rotating shaft 4 of the mounting bracket 6, the force application end 501 of the line pressing plate 5 is abutted against the fastening screw 1, and the force application end 503 of the line pressing plate 5 is an access end of an external lead.
Further, as shown in fig. 8, the connecting plate 3 is bent, the rear drooping end 301 is a connecting end, and is connected with the inside of the circuit breaker through a connecting hole 3011 on the connecting plate, the front horizontal end 303 is an external lead end, a round hole 3021 is formed in the vertical plane 302 in the middle, and the fastening screw 1 passes through the round hole 3021 and directly abuts against the force application end 502 of the line pressing plate 5.
Further, as shown in fig. 1, the external conductor end 303 of the connecting plate 3 is arranged at the upper part of the plug-in circuit breaker wiring cavity 701, the stressed end 503 of the line pressing plate 5 is arranged at the lower part of the plug-in circuit breaker wiring cavity 701, the fastening screw 1 is arranged at the upper part, the wiring cavity 701 is arranged at the lower part, and when the fastening screw 1 is screwed to press the external conductor, the stressed end 503 of the line pressing plate 5 applies an upward pressure to the external conductor and a reverse force preventing the conductor from sliding out.
Further, as shown in fig. 7, the force-bearing end 503 of the tension disc 5 is provided with a serrated barb 5031 in the rotation direction.
Further, as shown in fig. 8, serrations 3031 are provided at the lower portion of the external lead end 303 of the connecting plate 3.
Further, the wire pressing plate 5 is made of elastic alloy materials, and the wire pressing plate made of the elastic alloy materials has elasticity, high strength and durability.
The action program of the utility model is as follows: as shown in fig. 3, when the plug-in circuit breaker needs to connect an external conductor, the external conductor is inserted from the wiring frame 701, and the fastening screw 1 is rotated clockwise, when the fastening screw 1 abuts against the force application end 501 of the wiring board 5, the fastening screw 1 will apply a pushing force to the force application end 501 of the wiring board 5 to push the wiring board 5 to rotate counterclockwise around the rotating shaft 4, at this time, the force application end 503 of the wire pressing board 5 will apply a counterclockwise moment to the external conductor, on one hand, an upward pressing force is applied to the external conductor, and at the same time, a resistance force for preventing the conductor from slipping out of the falling direction is applied to the external conductor, in addition, the force application end of the wire pressing board 5 is provided with the serrated barb 1, and the serrated protrusion 3031 is provided at the lower part of the terminal of the connection board 3, so that the external conductor can be tightly clamped and pressed in the wiring frame of the plug-in circuit breaker without falling off.
It should be noted that: the above examples are given solely for the purpose of illustrating the invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that many more modifications and variations than mentioned above may be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a plug-in circuit breaker's the anticreep termination that compresses tightly, includes plug-in circuit breaker, plug-in circuit breaker's shell set up to the dipolar, in every utmost point front side lower part, be provided with fastening screw and wiring chamber, be provided with in the wiring intracavity and compress tightly anticreep termination, characterized by:
the fastening screw of the compression anti-drop wiring device is arranged on the upper part, the wiring cavity is arranged on the lower part, the fastening screw and the wiring cavity are arranged in parallel at the lower part of the front side of the two poles of the plug-in circuit breaker, and an arc-isolating plate is arranged between the two poles;
compress tightly anticreep termination includes fastening screw, baffle, connecting plate, pivot, line ball board and installing support, the installing support set up in bayonet circuit breaker's wiring intracavity, the pivot setting on the installing support, the line ball board set up in the pivot and can revolute the rotation of axes, baffle and wiring board card put on the installing support, fastening screw revolve the internal thread on the baffle and directly support the application of force end of line ball board.
2. The compression anti-drop wiring device according to claim 1, wherein:
the mounting bracket is rectangular and is provided with a bottom plate and two side plates perpendicular to the bottom plate, and the two side plates are respectively and correspondingly provided with a front clamping groove, a rear clamping groove and a shaft hole.
3. The compression anti-drop wiring device according to claim 1, wherein:
the middle part of the baffle is provided with internal threads which are clamped in the front clamping groove of the mounting bracket, the connecting plate is clamped in the rear clamping groove of the mounting bracket, the fastening screw is meshed with the internal threads of the baffle, and the fastening screw can be adjusted to directly abut against the force application end of the wire pressing plate during wiring.
4. The compression anti-drop wiring device according to claim 1, wherein:
the shaft holes of the two side plates of the mounting bracket are internally provided with rotating shafts, the line pressing plate is vertically clamped on the rotating shafts and is of a lever structure, the upper part of the line pressing plate is a force application end, the lower part of the line pressing plate is a stress end, the middle part of the line pressing plate is an omega-shaped rotating shaft end, the omega-shaped hook of the line pressing plate is vertically clamped on the rotating shafts of the mounting bracket, the force application end of the line pressing plate is abutted to the fastening screw, and the stress end of the line pressing plate is an access end of an external lead.
5. The compression anti-drop wiring device according to claim 1, wherein:
the connecting plate set up to the shape of buckling, the flagging end in rear portion sets up to the link, with plug-in circuit breaker's internal connection, the anterior horizontal end is external wire end, is provided with the round hole on the perpendicular at middle part, fastening screw pass the round hole, directly support the application of force end of line ball board.
6. The compression anti-drop wiring device according to claim 1, wherein:
the external conductor end of the connecting plate is arranged on the upper portion of the plug-in circuit breaker wiring cavity, the stress end of the line pressing plate is arranged on the lower portion of the plug-in circuit breaker wiring cavity, the fastening screw is arranged on the upper portion, the wiring cavity is arranged on the lower portion, when the fastening screw is screwed tightly and the external conductor is pressed, an upward moment can be applied to the external conductor at the stress end of the line pressing plate, and the external conductor is enabled to obtain an upward pressure and a reverse force for preventing the conductor from sliding out.
7. The compression anti-drop wiring device according to claim 1, characterized in that: and the stress end of the wire pressing plate is provided with a sawtooth barb along the rotating direction.
8. The compression anti-drop wiring device according to claim 1, characterized in that: the lower part of the external wire end of the connecting plate is provided with a saw-toothed bulge.
9. The compression anti-drop wiring device according to claim 1, characterized in that: the wire pressing plate is made of elastic alloy materials.
10. The compression anti-drop wiring device according to claim 1, characterized in that: the plug-in circuit breaker comprises the compression anti-drop wiring device of the plug-in circuit breaker according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120463771.XU CN214588675U (en) | 2021-03-03 | 2021-03-03 | Plug-in circuit breaker compress tightly anticreep termination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120463771.XU CN214588675U (en) | 2021-03-03 | 2021-03-03 | Plug-in circuit breaker compress tightly anticreep termination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214588675U true CN214588675U (en) | 2021-11-02 |
Family
ID=78318330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120463771.XU Active CN214588675U (en) | 2021-03-03 | 2021-03-03 | Plug-in circuit breaker compress tightly anticreep termination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214588675U (en) |
-
2021
- 2021-03-03 CN CN202120463771.XU patent/CN214588675U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |