CN219534432U - Track buckle structure of circuit breaker - Google Patents

Abstract

The utility model discloses a track buckle structure of a circuit breaker, which is characterized by comprising a circuit breaker body, wherein a buckle part is arranged at the back of the circuit breaker body, the buckle part comprises an upper buckle and a lower buckle, the lower buckle is in sliding connection with the circuit breaker body, a transmission gear and a pressing rod are arranged in the bottom side of the circuit breaker body, a rack A is arranged on the lower buckle, a rack B is arranged on the pressing rod, and the rack A and the rack B are both meshed on the transmission gear; the pressing rod is arranged in the breaker body in a sliding manner, a rotatable locking cylinder is arranged on the pressing rod, a blocking part matched with the locking cylinder is arranged on the breaker body, and the movement of the pressing rod is limited through the matching of the blocking part and the locking cylinder. The utility model has the advantages of convenient and quick disassembly, good safety and saving the installation space of the circuit breaker.

Description

Track buckle structure of circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a track buckle structure of a circuit breaker.

Background

The circuit breaker is a comparatively common electrical component, because of its reliable performance, stable mechanism, various outward appearance, wide application is in industry, commercial and civil low voltage terminal distribution's needs, plays protection effects such as breaking, overload protection, short-circuit protection, in prior art, in order to be convenient for install in the switch board and dismantle, often install track structure on the inner wall of switch board, correspondingly, install the track buckle on the circuit breaker, the track buckle can be comparatively convenient the dismouting on the track compare and adopt fixed mode such as screw have certain convenience. However, the existing circuit breaker often needs maintenance personnel to stretch to the bottom of the circuit breaker when dismantling and changing, pulls the buckle just can make circuit breaker and track separation downwards, because still there are other various electrical components and electric wire in the electric cabinet, the space itself of circuit breaker bottom is very narrow and small, still need stretch the hand to pull down the buckle very inconvenient, leads to dismantling the inefficiency, and when dragging the buckle downwards, maintenance personnel still bump into other electrical components and circuit easily, if the operation is not standard, touch the electric wire still easily causes the electric shock danger.

At present, to above-mentioned problem, the patent of public number CN218414438U among the prior art discloses a miniature circuit breaker, and it is through adjusting pole and lifting lever structure, and the pull-down of buckle is led to the front of circuit breaker and is operated, need the maintenance personal handle to stretch to the problem of miniature circuit breaker's bottom when effectively avoiding dismantling the change through the pulling of lifting lever. However, the above prior art has a certain problem: the adjusting rod structures are arranged on two sides of the circuit breaker, so that a corresponding distance must be left between a plurality of circuit breakers which are installed on the same track in parallel to prevent mutual interference when the adjusting rods move, and the waste of installation space is caused, therefore, the buckle structure of the circuit breaker is necessary to be improved, and the problems existing in the prior art are solved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the track buckle structure of the circuit breaker, which is convenient and quick to detach, has good safety and saves the installation space of the circuit breaker.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a track buckle structure of circuit breaker, includes the circuit breaker body, the back of circuit breaker body sets up buckle part, its characterized in that: the clamping component comprises an upper clamping buckle and a lower clamping buckle, the lower clamping buckle is in sliding connection with the circuit breaker body, a transmission gear and a pressing rod are arranged in the bottom side of the circuit breaker body, a rack A is arranged on the lower clamping buckle, a rack B is arranged on the pressing rod, and the rack A and the rack B are both meshed with the transmission gear; the pressing rod is arranged in the breaker body in a sliding manner, the rotatable locking cylinder is arranged on the pressing rod, a blocking portion matched with the locking cylinder is arranged on the breaker body, and the movement of the pressing rod is limited through the matching of the blocking portion and the locking cylinder.

The utility model is further provided with: protruding blocks are arranged on two sides of the locking cylinder, and a notch through which the protruding blocks can pass is arranged on the blocking part.

The utility model is further provided with: the one end that the locking section of thick bamboo is located the inside of circuit breaker body is provided with the baffle ring, the inside of circuit breaker body is provided with limit stop, limit stop is located between protruding piece and the baffle ring, and limit stop both sides are used for blockking protruding piece and baffle ring respectively.

The utility model is further provided with: and an assisting rod is arranged at one outward end of the locking cylinder, and the assisting rod is perpendicular to the locking cylinder.

The utility model is further provided with: the upper buckle and the lower buckle are respectively provided with a groove part, and a rubber layer is arranged in each groove part.

In summary, the utility model has the following beneficial effects:

compared with the prior art, the utility model has the advantages that the clamping buckle can be driven to be separated from the track after the pressing rod is pressed down on the front surface of the circuit breaker through the matching among the rack A, the rack B and the transmission gear, so that an operator is not required to stretch hands into the back surface of the circuit breaker, the operation is more convenient, the safety is improved to a certain extent, and the pressing rod can be arranged at the bottom of the circuit breaker, the influence on the two sides of the circuit breaker is avoided, and the parallel installation of the circuit breaker on the track is easier.

Meanwhile, the locking cylinder is also arranged on the pressing rod, the locking cylinder is matched with the blocking part on the circuit breaker, and the movement of the pressing rod is limited and locked through the arrangement of the locking cylinder and the blocking part, so that the situation of misoperation of the pressing rod is prevented, and the installation stability and firmness are ensured.

Drawings

FIG. 1 is a perspective view showing the overall structure of the present embodiment;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

fig. 3 is a schematic partial cross-sectional view of the present embodiment.

Reference numerals: 1. a circuit breaker body; 101. a blocking portion; 1011. a notch; 2. a snap-fit member; 201. an upper buckle; 202. a lower buckle; 3. a transmission gear; 4. pressing a pressing rod; 401. a locking cylinder; 4011. a protruding block; 5. a rack A; 6. a rack B; 8. a booster rod; 9. a groove portion; 901. a rubber layer; 10. a limit stop; 11. a baffle ring; 12. a chute; 13. a sliding block.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a track buckle structure of a circuit breaker, as shown in fig. 1-3, the circuit breaker comprises a circuit breaker body 1, a buckle part 2 is arranged at the back of the circuit breaker body 1, the buckle part 2 comprises an upper buckle 201 and a lower buckle 202, and the upper buckle 201 and the lower buckle 202 are used for being in clamping fit with an external track (not shown in the figure); wherein, the lower buckle 202 is in sliding connection with the breaker body 1; the circuit breaker comprises a circuit breaker body 1, a lower buckle 202, a lower buckle and a pressing rod, wherein a transmission gear 3 and the pressing rod 4 are arranged in the bottom side of the circuit breaker body, a rack A5 is arranged on the lower buckle 202, a rack B6 is arranged on the pressing rod 4, and the rack A5 and the rack B6 are both meshed on the transmission gear 3; the pressing rod 4 is slidably disposed in the breaker body 1, so that the transmission gear 3 is driven to rotate through the sliding of the pressing rod 4, and then the lower buckle 202 is driven to slide, referring to fig. 3 specifically, in this embodiment, the transmission gear 3 can be driven to rotate in a counterclockwise direction in the figure by pushing the pressing rod inwards, and then the lower buckle 202 is driven to approach the upper buckle 201, so as to achieve the function of clamping the rail. When the pressing rod is pulled outwards, the lower buckle 202 is far away from the upper buckle 201 under the action of the rack B, the transmission gear and the rack A, so that the clamping of the rail is released; in order to facilitate the stable engagement of the rack B with the transmission gear 3 when the pressing rod 4 slides, a sliding block 13 may be disposed below the pressing rod, a sliding groove 12 is disposed on the inner wall of the breaker body, and the sliding block 13 is embedded into the sliding groove 12 to slide, so that stable sliding of the pressing rod can be ensured.

Further, a rotatable locking barrel 401 is arranged on the pressing rod 4, a blocking portion 101 matched with the locking barrel 401 is arranged on the circuit breaker body 1, movement of the pressing rod 4 is limited through matching of the blocking portion 101 and the locking barrel 401, specifically, protruding blocks 4011 are arranged on two sides of the locking barrel 401, a notch 1011 through which the protruding blocks 4011 can pass is arranged on the blocking portion 101, a baffle ring 11 is arranged at one end of the locking barrel 401 located inside the circuit breaker body 1, a limit stop 10 is arranged inside the circuit breaker body 1, the limit stop 10 is located between the protruding blocks 4011 and the baffle ring 11, and two sides of the limit stop 10 are used for blocking the protruding blocks 4011 and the baffle ring 11 respectively. Referring to fig. 2-3, the locking cylinder 401 may rotate relative to the pressing rod 4, so after the boss 4011 on the locking cylinder 401 is pulled out of the notch 1011, only one rotation of the locking cylinder 401 is required, as shown in fig. 2, so that the boss 4011 and the notch 1011 are not aligned to prevent the locking cylinder 401 from moving inwards, that is, the pressing rod 4 will not move inwards, so as to achieve the effect of locking the pressing rod 4, and similarly, after the boss 4011 on the locking cylinder 401 is pushed to enter along the notch 1011 and the inside of the breaker body 1, only one rotation of the locking cylinder 4011 is required, so that the notch 1011 and the boss 4011 are not aligned, that is, the pressing rod 4 is locked. Wherein the limit stop 10 and the retainer 11 can prevent the pressing lever 4 from being excessively outward, and the limit stop 10 and the boss 4011 can prevent the pressing lever from being excessively inward.

Further, an outward end of the locking cylinder 401 is provided with a booster rod 8, and the booster rod 8 is perpendicular to the locking cylinder 401. The locking cylinder 401 can be conveniently rotated by arranging the power assisting rod 8, and correspondingly, the locking cylinder is more convenient to pull outwards.

Further, the upper buckle 201 and the lower buckle 202 are provided with a groove portion 9, and a rubber layer 901 is arranged in the groove portion 9. Specifically, recess portion 9 is used for the track cooperation with outside, can effectively increase frictional force at its inside setting up rubber layer 901, guarantees that the joint is more firm, and in addition, the rubber layer has certain flexibility, under the vibrations environment, rubber layer 901 can play certain cushioning effect, guarantees that circuit breaker body 1 receives less by the influence of vibrations.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims (5)

1. The utility model provides a track buckle structure of circuit breaker, includes circuit breaker body (1), the back of circuit breaker body (1) sets up buckle part (2), its characterized in that: the buckle component (2) comprises an upper buckle (201) and a lower buckle (202), the lower buckle (202) is in sliding connection with the circuit breaker body (1), a transmission gear (3) and a pressing rod (4) are arranged inside the bottom side of the circuit breaker body (1), a rack A (5) is arranged on the lower buckle (202), a rack B (6) is arranged on the pressing rod (4), and the rack A (5) and the rack B (6) are both meshed on the transmission gear (3); the circuit breaker is characterized in that the pressing rod (4) is arranged in the circuit breaker body (1) in a sliding mode, a rotatable locking cylinder (401) is arranged on the pressing rod (4), a blocking portion (101) matched with the locking cylinder (401) is arranged on the circuit breaker body (1), and movement of the pressing rod (4) is limited through matching of the blocking portion (101) and the locking cylinder (401).

2. The track buckle structure of a circuit breaker according to claim 1, wherein: protruding blocks (4011) are arranged on two sides of the locking cylinder (401), and a notch (1011) through which the protruding blocks (4011) can pass is formed in the blocking portion (101).

3. The track buckle structure of a circuit breaker according to claim 2, wherein: one end of the locking cylinder (401) located inside the circuit breaker body (1) is provided with a baffle ring (11), the inside of the circuit breaker body (1) is provided with a limit stop (10), the limit stop (10) is located between the protruding block (4011) and the baffle ring (11), and two sides of the limit stop (10) are respectively used for blocking the protruding block (4011) and the baffle ring (11).

4. The track buckle structure of a circuit breaker according to claim 2, wherein: and one outward end of the locking cylinder (401) is provided with a power-assisted rod (8), and the power-assisted rod (8) is perpendicular to the locking cylinder (401).

5. The track buckle structure of a circuit breaker according to claim 1, wherein: the upper buckle (201) and the lower buckle (202) are respectively provided with a groove part (9), and a rubber layer (901) is arranged in each groove part (9).