CN216389226U

CN216389226U - Environment-friendly dry air insulation circuit breaker

Info

Publication number: CN216389226U
Application number: CN202122820013.1U
Authority: CN
Inventors: 李刚; 李伟; 陈家轩
Original assignee: Shenyang Huiding Runda Technology Co ltd
Current assignee: Shenyang Huiding Runda Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-26
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the technical field of circuit breakers, in particular to an environment-friendly dry air insulation circuit breaker, which comprises a circuit breaker body, wherein an installation notch for installing an electric wire is formed in the circuit breaker body, an inlet is formed in one end of the installation notch, a binding post, a double-end lead screw and clamping plates are arranged in the installation notch, the double-end lead screw is rotatably connected with the circuit breaker body, a fixing hole is formed in the middle of the double-end lead screw along the radial direction of the double-end lead screw, the clamping plates are two metal plates, the two clamping plates are respectively in threaded connection with two ends of the double-end lead screw, and the binding post is electrically connected with the clamping plates through a lead. According to the utility model, the double-end screw rod is rotated, so that the electric wire is wound on the double-end screw rod, and meanwhile, the two clamping plates are driven to mutually approach and clamp the wound electric wire, so that the electric wire is more firmly connected, the conductive area between the electric wire and the clamping plates is increased, and the circuit is more stable.

Description

Environment-friendly dry air insulation circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to an environment-friendly dry air insulation circuit breaker.

Background

The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the low-voltage circuit breaker is also called an automatic switch, is commonly called an air switch and is also called a low-voltage circuit breaker, the low-voltage circuit breaker is an electric appliance which not only has the function of a manual switch, but also can automatically perform voltage loss, undervoltage, overload and short-circuit protection, and the low-voltage circuit breaker is widely applied.

Be equipped with the wiring structure who is used for connecting the electric wire on the current miniature circuit breaker, when wiring structure installs at present, need be connected to the circuit breaker wiring board with electric wire nose earlier, however, to the electric wire that does not have the wire nose, generally directly compress tightly the electric wire through the bolt and fix on wiring inslot metal sheet, so installation, the contact surface between electric wire and the metal sheet is less, appears becoming flexible moreover, influences the circuit stability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the environment-friendly dry air insulation circuit breaker which not only can enable the connection of the electric wire to be firmer, but also can increase the conductive area between the electric wire and the clamping plate, so that the circuit is more stable, and the problem that the original circuit breaker is unstable in wiring and easy to cause the loosening of the circuit is solved.

(II) technical scheme

In order to realize the purposes that the electric wire can be connected more firmly, the conductive area between the electric wire and the clamping plate is increased, and the circuit is more stable, the utility model provides the following technical scheme: the utility model provides an environment-friendly dry air insulation breaker, includes the circuit breaker body, be equipped with the installation notch that is used for installing the electric wire on the circuit breaker body, installation notch one end is equipped with the import, be equipped with terminal, double-end lead screw and splint in the installation notch, double-end lead screw with the circuit breaker body rotates to be connected, the fixed orifices has radially been seted up along it at the double-end lead screw middle part, splint are two metal sheets, and two splint respectively with double-end lead screw both ends threaded connection, the terminal with connect through the wire electricity between the splint.

Optionally, the mounting groove mouth internal fixation be equipped with double-end lead screw parallel arrangement's slide bar, the slide bar slides and runs through two splint, the slide bar both ends all with circuit breaker body internal surface is fixed.

Optionally, wear to be equipped with inside cavity and both ends open-ended guide sleeve in the entrance of installation notch one end, guide sleeve one end just right on the double-end lead screw on the fixed orifices, the other end extends to the circuit breaker body is outside.

Optionally, the guide sleeve is close to the one end of double-end lead screw is the toper structure, the internal diameter of guide sleeve toper one end is by being close to the one end to the other end crescent of double-end lead screw, just the guide sleeve is close to the internal diameter of one end of double-end lead screw is less than the internal diameter of fixed orifices.

Optionally, the guide sleeve is movably arranged in the inlet at one end of the mounting notch in a penetrating manner.

Optionally, the guide sleeve outer wall is equipped with the limiting plate along its radial protrusion, guide sleeve outer wall cover is equipped with the spring, the spring clamp is equipped with the limiting plate with between the circuit breaker internal surface.

Optionally, double-end lead screw one end extends to outside and fixedly connected with head of circuit breaker body, the head with double-end lead screw integrated into one piece, the cross notch has been seted up on the head top.

Optionally, a protrusion is arranged on one side of the head at the top end of the double-head screw rod, and a positioning groove corresponding to the protrusion is formed in the surface of the breaker body.

Optionally, the protrusion is disposed in a direction in which the fixing hole on the double-headed screw rod extends axially.

(III) advantageous effects

Compared with the prior art, the utility model provides an environment-friendly dry air insulation circuit breaker, which has the following beneficial effects:

1. according to the utility model, the wiring terminal, the double-end screw rod and the clamping plate are arranged in the mounting groove, the fixing hole is formed in the double-end screw rod, after one end of the electric wire is inserted into the fixing hole, the double-end screw rod is rotated, so that the electric wire is wound on the double-end screw rod, and meanwhile, the two clamping plates are driven to mutually approach and clamp the wound electric wire, so that the electric wire is connected more firmly, the conductive area between the electric wire and the clamping plates is increased, and the circuit is more stable;

2. according to the utility model, the guide sleeve is arranged at the inlet of the mounting notch, so that when the electric wire is inserted into the guide sleeve, the electric wire can be more accurately inserted into the fixing hole under the guide of the guide sleeve;

3. the guide sleeve is arranged in a conical structure, and the end part of the wire can be folded by the guide sleeve with the conical structure, so that the end part of the wire is more easily inserted into the fixing hole.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a schematic bottom sectional view of the present invention;

fig. 4 is an enlarged schematic view of B in fig. 3.

In the figure: 1. a circuit breaker body; 2. installing a notch; 3. a double-end screw rod; 4. a splint; 5. a slide bar; 6. a binding post; 7. a fixing hole; 8. an inlet; 9. a guide sleeve; 10. a limiting plate; 11. a spring; 12. a head portion; 13. a protrusion; 14. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 to 4, an embodiment of the present invention provides a technical solution: an environment-friendly dry air insulation circuit breaker comprises a circuit breaker body 1, wherein a mounting notch 2 for mounting an electric wire is arranged on the circuit breaker body 1, an inlet 8 is arranged at one end of the mounting notch 2, a binding post 6, a double-end lead screw 3 and a clamping plate 4 are arranged in the mounting notch 2, the double-end lead screw 3 is rotatably connected with the circuit breaker body 1, a fixing hole 7 is radially arranged in the middle of the double-end lead screw 3, the clamping plate 4 is two metal plates, the two clamping plates 4 are respectively in threaded connection with two ends of the double-end lead screw 3, the binding post 6 is electrically connected with the clamping plates 4 through a lead wire, one end of the electric wire is peeled and inserted into the fixing hole 7 on the double-end lead screw 3, the electric wire is wound on the double-end lead screw 3 by rotating the double-end lead screw 3, meanwhile, the double-end lead screw 3 drives the two clamping plates 4 to be close to each other and finally clamped on two sides of the electric wire, so that the electric wire is more firmly connected, but also the conductive area between the electric wire and the clamping plate 4 is increased, so that the circuit is more stable.

On the basis of above-mentioned embodiment, the installation notch 2 internal fixation of this implementation is equipped with slide bar 5 with 3 parallel arrangement of double-end lead screw, and slide bar 5 slides and runs through two splint 4, and slide bar 5 both ends all with 1 internal surface fixation of circuit breaker body, the setting of slide bar 5 for it is more stable when two splint 4 remove.

On the basis of above-mentioned embodiment, wear to be equipped with inside cavity and both ends open-ended guide sleeve 9 in the import 8 of the installation notch 2 one end of this implementation, guide sleeve 9 one end is just to the fixed orifices 7 on the stud screw 3, and the other end extends to the circuit breaker body 1 outside, inserts guide sleeve 9 with the electric wire, and under guide sleeve 9's guide, the electric wire can be more accurate insert in the fixed orifices 7.

On the basis of the above embodiment, the one end of the guide sleeve 9 close to the stud screw 3 is in a tapered structure, the inner diameter of the tapered end of the guide sleeve 9 is gradually increased from the one end close to the stud screw 3 to the other end, and the inner diameter of the one end of the guide sleeve 9 close to the stud screw 3 is smaller than the inner diameter of the fixing hole 7, and the end of the wire can be drawn in by the guide sleeve 9 in the tapered structure, so that the end of the wire is more easily inserted into the fixing hole 7.

On the basis of above-mentioned embodiment, the mobilizable import 8 of wearing to establish in installation notch 2 one end of guide sleeve 9 of this implementation sets up so, after the electric wire penetrates fixed orifices 7, can remove guide sleeve 9 to one side of keeping away from double-end lead screw 3, avoids it to influence the clamp of two splint 4 to the electric wire.

On the basis of above-mentioned embodiment, the 9 outer walls of guide sleeve of this implementation are equipped with limiting plate 10 along its radial protrusion, 9 outer walls of guide sleeve are equipped with spring 11 in a sleeved manner, spring 11 presss from both sides and is equipped with between limiting plate 10 and the circuit breaker internal surface, when two splint 4 are separately, guide sleeve 9 is under spring 11's elasticity, its one end supports tight double-end lead screw 3's fixed orifices 7 department, make things convenient for the electric wire to pass and get into in fixed orifices 7 behind guide sleeve 9, and when two splint 4 were close to each other, splint 4 can promote guide sleeve 9 and remove to the one side of keeping away from double-end lead screw 3, make splint 4 can press from both sides tight electric wire.

On the basis of the above-mentioned embodiment, 3 one end of this implementation of double-end lead screw extends to 1 outside and fixedly connected with head 12 of circuit breaker body, and head 12 and double-end lead screw 3 integrated into one piece, the cross notch has been seted up on 12 tops of head, and usable cross screwdriver drive double-end lead screw 3 is rotatory to accomplish the loading and unloading of electric wire.

On the basis of the above-mentioned embodiment, the head 12 one side on the double-end lead screw 3 top of this implementation is equipped with arch 13, and the constant head tank 14 corresponding with arch 13 is seted up on circuit breaker body 1 surface, and arch 13 sets up on the direction of the fixed orifices 7 axial extension on double-end lead screw 3, and when aligning arch 13 and constant head tank 14, fixed orifices 7 on the double-end lead screw 3 just to opening one side of installation notch 2, is convenient for judge the orientation of fixed orifices 7.

The working principle is as follows: when the electric wire is installed, utilize the cross screwdriver to rotate double-end lead screw 3 earlier, make arch 13 on the double-end lead screw 3 align constant head tank 14, then, peel electric wire one end, and insert the one end after peeling along guide sleeve 9, insert to the fixed orifices 7 on the double-end lead screw 3 until the electric wire tip, then, utilize the cross screwdriver once more to revolve wrong double-end lead screw 3 clockwise, make the electric wire winding on double-end lead screw 3, meanwhile, double-end lead screw 3 still drives two splint 4 and is close to each other, two splint 4 finally press from both sides tight in the both sides of electric wire, so far accomplish the installation of electric wire, electric wire after the installation, firm in connection not only, and the conducting area between electric wire and the splint 4 has been increased, make the circuit more stable.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environment-friendly dry air insulation circuit breaker which characterized in that: including circuit breaker body (1), be equipped with installation notch (2) that are used for installing the electric wire on circuit breaker body (1), installation notch (2) one end is equipped with import (8), be equipped with terminal (6), double lead screw (3) and splint (4) in installation notch (2), double lead screw (3) with circuit breaker body (1) rotates and connects, fixed orifices (7) have radially been seted up along it at double lead screw (3) middle part, splint (4) are two metal sheets, and two splint (4) respectively with double lead screw (3) both ends threaded connection, terminal (6) with connect through the wire electricity between splint (4).

2. The environment-friendly dry air insulated circuit breaker of claim 1, wherein: installation notch (2) internal fixation be equipped with double-end lead screw (3) parallel arrangement's slide bar (5), slide bar (5) slide and run through two splint (4), slide bar (5) both ends all with circuit breaker body (1) internal fixed surface.

3. The environment-friendly dry air insulated circuit breaker of claim 1, wherein: install notch (2) one end wear to be equipped with inside cavity and both ends open-ended guide sleeve (9) in import (8), guide sleeve (9) one end just right on double-end lead screw (3) fixed orifices (7), the other end extends to circuit breaker body (1) outside.

4. The environment-friendly dry air insulated circuit breaker of claim 3, wherein: guide sleeve (9) are close to the one end of double-end lead screw (3) is the toper structure, the internal diameter of guide sleeve (9) toper one end is by being close to the one end to the other end crescent of double-end lead screw (3), just guide sleeve (9) are close to the internal diameter of the one end of double-end lead screw (3) is less than the internal diameter of fixed orifices (7).

5. The environment-friendly dry air insulated circuit breaker of claim 3, wherein: the guide sleeve (9) is movably arranged in the inlet (8) at one end of the mounting notch (2) in a penetrating mode.

6. The environment-friendly dry air insulated circuit breaker of claim 5, wherein: guide sleeve (9) outer wall is equipped with limiting plate (10) along its radial protrusion, guide sleeve (9) outer wall cover is equipped with spring (11), spring (11) press from both sides and are equipped with limiting plate (10) with between the circuit breaker internal surface.

7. The environment-friendly dry air insulated circuit breaker of claim 1, wherein: double-end lead screw (3) one end extends to outside and fixedly connected with head (12) of circuit breaker body (1), head (12) with double-end lead screw (3) integrated into one piece, the cross notch has been seted up on head (12) top.

8. The environment-friendly dry air insulated circuit breaker of claim 7, wherein: head (12) one side on double-end lead screw (3) top is equipped with arch (13), circuit breaker body (1) surface seted up with protruding (13) corresponding constant head tank (14).

9. The environment-friendly dry air insulated circuit breaker of claim 8, wherein: the protrusions (13) are arranged on the double-end screw rod (3) in the direction in which the fixing holes (7) axially extend.