CN221551804U - Quick loading device of miniature circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a quick loading device of a miniature circuit breaker, which comprises a fixing mechanism and a buckling mechanism, wherein the buckling mechanism is arranged on the fixing mechanism, the fixing mechanism is used for installing the miniature circuit breaker, and the buckling mechanism is used for assisting in fixing the miniature circuit breaker; the buckling mechanism comprises a pin rod, a hole groove, a fixed rod, a connecting rod, a sliding block, a sliding groove, a fixed ring, a sliding rod, a pull rod and a spring, wherein the hole groove is formed in the left outer side wall of the pin rod. The utility model overcomes the defects of the prior art, the miniature circuit breaker is loaded on the guide rail through the novel fastening mechanism, when the miniature circuit breaker is used, the fixed installation of the miniature circuit breaker can be realized quickly and conveniently only by pulling the pull rod and the rotary fastening ring, and the loading is convenient.

Description

Quick loading device of miniature circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a quick loading device of a miniature circuit breaker.

Background

A circuit breaker is an electrical device for breaking a current when a circuit breaks or fails. Its main function is to protect electrical systems and equipment from problems such as over-currents and short circuits. Circuit breakers typically act as a switch that can quickly open a circuit when needed, preventing current flow. Miniature circuit breakers are generally referred to as circuit breakers that are small in size, low in power consumption, and for low current and low voltage applications.

Generally, the installation mode of miniature circuit breaker has rail mounted and screw fixed installation, and during rail mounted, the buckle of miniature circuit breaker that adopts is integrated in an organic whole with miniature circuit breaker, still needs to block miniature circuit breaker on the guide rail through the buckle during the installation, merges a plurality of miniature circuit breakers together, then rethread screw installation is fixed, and very troublesome, and if the buckle fracture, is difficult to carry out the pertinence restoration.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a quick loading device of a miniature circuit breaker, which overcomes the defects of the prior art and aims to solve the problems that the miniature circuit breaker is clamped on a guide rail by a buckle during installation, a plurality of miniature circuit breakers are combined together and then are installed and fixed by screws, which is very troublesome, and if the buckle breaks, the targeted repair is difficult to carry out.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the quick loading device of the miniature circuit breaker comprises a fixing mechanism and a buckling mechanism, wherein the buckling mechanism is arranged on the fixing mechanism and is used for installing the miniature circuit breaker, and the buckling mechanism is used for assisting in fixing the miniature circuit breaker;

The buckle mechanism comprises a pin rod, a hole groove, a fixing rod, a connecting rod, a sliding block, a sliding groove, a fixing ring, a sliding rod, a pull rod and a spring, wherein the hole groove is formed in the left side outer side wall of the pin rod, the fixing rod is rotationally connected with the pin rod through a support, one end of the connecting rod is rotationally connected with the fixing rod, the other end of the connecting rod is rotationally connected with the sliding block, the sliding groove is formed in the pin rod, the sliding block is slidably connected in the sliding groove, the fixing ring is fixedly connected in the pin rod, the sliding rod is slidably connected with the pull rod in the sliding groove, two ends of the sliding rod are respectively connected with the sliding block and the pull rod, and the spring is sleeved on the sliding rod.

As a preferable technical scheme of the utility model, one end of the fixing rod is provided with a fixing block.

As a preferable technical scheme of the utility model, one end of the spring is fixedly connected with the fixed ring, and the other end of the spring is fixedly connected with the pull rod.

As a preferable technical scheme of the utility model, the outer side wall of the pin rod is provided with external threads, and the pin rod is connected with a fastening ring through the external threads.

As a preferable technical scheme of the utility model, the fixing mechanism comprises a guide rail, a fixing frame and a bottom frame, wherein the fixing frame is fixedly connected with the guide rail, and the bottom frame is integrally formed at the bottom of the guide rail.

As a preferable technical scheme of the utility model, the underframe is provided with a fixing hole.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the miniature circuit breaker is loaded on the guide rail through the novel fastening mechanism, when the miniature circuit breaker is used, the fixed installation of the miniature circuit breaker can be realized quickly and conveniently only by pulling the pull rod and the rotary fastening ring, the loading is convenient, and meanwhile, the fastening mechanism is independent, and when the fastening mechanism is damaged, the miniature circuit breaker can be directly replaced, so that the miniature circuit breaker is convenient for subsequent maintenance.

Drawings

FIG. 1 is a perspective view of a latch mechanism according to the present utility model;

FIG. 2 is a cross-sectional view of the snap mechanism of the present utility model;

FIG. 3 is a perspective view of the securing mechanism of the present utility model;

Fig. 4 is a schematic view of the installation structure of the miniature circuit breaker of the present utility model.

In the figure: 11. a guide rail; 12. a fixing frame; 13. a chassis; 14. a fixing hole; 21. a pin rod; 22. a hole groove; 23. a fixed rod; 24. a fixed block; 25. a connecting rod; 26. a base; 27. a slide block; 28. a chute; 29. a fixing ring; 210. a slide bar; 211. a pull rod; 212. a spring; 213. an external thread; 214. a fastening ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a quick loading device of a miniature circuit breaker includes a fixing mechanism and a fastening mechanism, wherein the fastening mechanism is mounted on the fixing mechanism, the fixing mechanism is used for mounting the miniature circuit breaker, and the fastening mechanism is used for assisting in fixing the miniature circuit breaker; the miniature circuit breaker is fixedly arranged on the fixing mechanism through the buckling mechanism, and the fixing gasket is arranged on the side edge of the bottom of the miniature circuit breaker, and is clamped on the underframe 13 through the buckling mechanism, so that the miniature circuit breaker is fixed.

Referring to fig. 1 and 2, the buckle mechanism comprises a pin 21, a hole 22, a fixed rod 23, a connecting rod 25, a slide block 27, a slide groove 28, a fixed ring 29, a slide bar 210, a pull rod 211 and a spring 212, wherein the hole 22 is arranged on the left outer side wall of the pin 21, the number of the holes 22 is four, the holes are circumferentially distributed on the outer surface of the pin 21, the fixed rod 23 is rotationally connected with the pin 21 through a bracket, one end of the connecting rod 25 is rotationally connected with the fixed rod 23, one end of the slide block 27 is fixedly connected with a base 26, the other end of the connecting rod 25 is rotationally connected with the slide block 27 through the base 26, the slide groove 28 is arranged on the pin 21, the slide block 27 is slidingly connected in the slide groove 28, the fixed ring 29 is fixedly connected in the pin rod 21, the sliding rod 210 and the pull rod 211 are both connected in the sliding groove 28 in a sliding way, two ends of the sliding rod 210 are respectively fixedly connected with the sliding block 27 and the pull rod 211, the spring 212 is sleeved on the sliding rod 210, one end of the spring 212 is fixedly connected with the pull rod 211, the other end of the spring 212 is fixedly connected with the fixed ring 29, limiting sliding blocks are arranged on two sides of the fixed rod 23, a limiting sliding groove is formed in the pin rod 21, the limiting sliding is used for limiting the expansion angle of the fixed rod 23 in a sliding way, the spring 212 is in an expansion state, and a left pulling force is always applied to the pull rod 211, and the underframe 13 is provided with the fixing hole 14. When the buckle mechanism is used, the pull rod 211 is pulled to drive the slide rod 210 and the slide block 27 to move rightwards, the connecting rod 25 is pulled to pull the fixing rod 23 to shrink, the pin rod 21 is inserted into the fixing hole 14, the pull rod 211 is loosened, the pull rod 211 moves rightwards under the thrust of the spring 212, the fixing rod 23 is further expanded, the fastening ring 214 is rotated at the moment, the fastening ring 214 is tightly pressed on a fixing gasket of the miniature circuit breaker, and the fixing gasket is matched with the fixing rod 23 to fasten the chassis 13 together.

Specifically, referring to fig. 1, a fixing block 24 is mounted at one end of the fixing rod 23, for supporting the chassis 13;

Specifically, referring to fig. 1, an outer side wall of the pin 21 is provided with an external thread 213, and the pin 21 is screwed with the fastening ring 214 through the external thread 213. The fastening ring 214 is used to capture the mounting pad of the miniature circuit breaker.

Specifically, referring to fig. 3 and 4, the fixing mechanism includes a guide rail 11, a fixing frame 12 and a bottom frame 13, the fixing frame 12 is fixedly connected with the guide rail 11, and the bottom frame 13 is integrally formed at the bottom of the guide rail 11. The fixing frame 12 is matched with a clamping groove on the miniature circuit breaker and is matched with a clamping mechanism for clamping and fixing the miniature circuit breaker.

Working principle: when the buckle mechanism is used, the fixing frame 12 is clamped into the clamping groove on the miniature circuit breaker, the position of the miniature circuit breaker is slidingly adjusted, the pull rod 211 is pulled to drive the slide rod 210 and the slide block 27 to move rightwards, the connecting rod 25 is pulled to pull the fixing rod 23 to shrink, the pin rod 21 is inserted into the fixing hole 14, the pull rod 211 is loosened, the pull rod 211 moves rightwards under the thrust of the spring 212, the fixing rod 23 is further expanded, the fastening ring 214 is rotated at the moment, the fastening ring 214 is tightly pressed on the fixing gasket of the miniature circuit breaker, and the fixing gasket is matched with the fixing rod 23 to fasten the fixing gasket and the underframe 13 together, so that the miniature circuit breaker is fixed.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a miniature circuit breaker's quick loading device, includes fixed establishment and buckle mechanism, its characterized in that: the clamping mechanism is arranged on the fixing mechanism, the fixing mechanism is used for installing the miniature circuit breaker, and the clamping mechanism is used for assisting in fixing the miniature circuit breaker;

The buckle mechanism comprises a pin rod (21), a hole groove (22), a fixed rod (23), a connecting rod (25), a sliding block (27), a sliding groove (28), a fixed ring (29), a sliding rod (210), a pull rod (211) and a spring (212), wherein the hole groove (22) is formed in the left outer side wall of the pin rod (21), the fixed rod (23) is rotationally connected with the pin rod (21) through a support, one end of the connecting rod (25) is rotationally connected with the fixed rod (23), the other end of the connecting rod (25) is rotationally connected with the sliding block (27), the sliding groove (28) is formed in the pin rod (21), the sliding block (27) is slidably connected in the sliding groove (28), the fixed ring (29) is fixedly connected in the pin rod (21), the sliding rod (210) is slidably connected with the pull rod (211) in the sliding groove (28), and two ends of the sliding rod (210) are respectively fixedly connected with the sliding block (27) and the spring (212) are sleeved on the sliding rod (210).

2. The quick load assembly of a miniature circuit breaker of claim 1, wherein: one end of the fixed rod (23) is provided with a fixed block (24).

3. The quick load assembly of a miniature circuit breaker of claim 1, wherein: one end of the spring (212) is fixedly connected with the fixed ring (29), and the other end of the spring (212) is fixedly connected with the pull rod (211).

4. The quick load assembly of a miniature circuit breaker of claim 1, wherein: the outer side wall of the pin rod (21) is provided with an external thread (213), and the pin rod (21) is in threaded connection with a fastening ring (214) through the external thread (213).

5. The quick load assembly of a miniature circuit breaker of claim 1, wherein: the fixing mechanism comprises a guide rail (11), a fixing frame (12) and a bottom frame (13), wherein the fixing frame (12) is fixedly connected with the guide rail (11), and the bottom frame (13) is integrally formed at the bottom of the guide rail (11).

6. The quick load assembly of a miniature circuit breaker of claim 5, wherein: the underframe (13) is provided with a fixing hole (14).