Buckle structure of miniature circuit breaker

Abstract

The utility model discloses a miniature circuit breaker buckle structure comprising a circuit breaker housing, one side of the bottom of the circuit breaker housing is provided with a static buckle, the other side of the bottom of the circuit breaker housing is provided with an operation cavity, the bottom of the operation cavity is communicated with a buckle cavity, the buckle cavity is internally provided with a movable buckle in a sliding manner, and the movable buckle is provided with a movable buckle. A driving gear is rotationally arranged in the buckle cavity, a transmission gear is arranged on one side of the driving gear in a meshed mode, a shifting wheel is arranged at the top of the driving gear, an opening is formed in the position, close to the shifting wheel, of the side wall of the operation cavity, a rack is arranged at one end of the movable buckle, a buckle head is arranged at the other end of the movable buckle, and the transmission gear is meshed with the rack. According to the utility model, not only is the installation operation of the miniature circuit breaker simple and convenient, but also the stepless adjustment of the movable buckle is realized through the gear structure, thereby being suitable for bearing track seats with different sizes, and improving the installation adaptability of the miniature circuit breaker.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of small circuit breaker, specifically relates to a small circuit breaker buckle structure. BACKGROUND

[0002] Circuit breaker (English name: circuit-breaker, circuit breaker) is the switch device that can close, carry and open the current under normal loop condition, and can close, carry and open the current under abnormal loop condition (including short circuit condition) in the prescribed time.

[0003] At present, the small circuit breaker combined with the circuit breaker body and the supporting guide rail seat appears in the market, and the buckle at the rear of the circuit breaker body is clamped on the supporting guide rail seat during installation; however, the buckle at the rear of the circuit breaker with this structure is usually only single-section or double-section buckle structure, which makes the circuit breaker only applicable to the installation of the two sizes of supporting guide rail seats, thereby leading to the inability to use the supporting guide rail seats with sizes other than the two sizes for installation, resulting in low installation adaptability of the small circuit breaker.

[0004] Therefore, the applicant has made beneficial design, found the method for solving the above problems, and the technical scheme to be introduced below is generated in this background. CONTENT OF THE UTILITY MODEL

[0005] The utility model relates to a small circuit breaker buckle structure to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] A small circuit breaker buckle structure, comprising a circuit breaker shell, a static buckle is arranged on one side of the bottom of the circuit breaker shell, an operating cavity is arranged on the other side of the bottom of the circuit breaker shell, a buckle cavity is communicated at the bottom of the operating cavity, a dynamic buckle is slidably arranged in the buckle cavity, a driving gear is rotatably arranged in the buckle cavity, a transmission gear is meshed on one side of the driving gear, a handle is arranged at the top of the driving gear, an opening is formed in the side wall of the operating cavity close to the handle, a rack is arranged at one end of the dynamic buckle, a buckle head is arranged at the other end of the dynamic buckle, and the transmission gear is meshed with the rack.

[0008] Preferably, the top of the dial wheel is provided with a limiting gear, and the inner wall surface of the operation cavity is provided with a limiting convex point matched with the gear teeth of the limiting gear.

[0009] Preferably, the surface of the dial wheel is provided with anti-skid lines.

[0010] Preferably, the dial wheel is exposed from the opening.

[0011] Beneficial effects

[0012] The one or more technical solutions in the buckle structure of the small circuit breaker provided by the utility model have at least one of the following technical effects:

[0013] The utility model discloses a technical scheme, when installing, the circuit breaker shell is placed on the bearing guide rail seat, drives the gear wheel to rotate through dialing the dial wheel, and the transmission gear is driven to rotate by the drive gear, and the rack is moved by the transmission gear, thereby making the dynamic buckle move to the direction of the static buckle, and the circuit breaker shell is clamped on the bearing guide rail seat through the dynamic buckle and the static buckle, thereby completing the installation of the circuit breaker shell, when disassembling, the drive gear is rotated through dialing the dial wheel reversely, the transmission gear is driven to rotate by the drive gear, and the rack is moved by the transmission gear, thereby making the dynamic buckle move to the direction of the static buckle, thereby can take down the circuit breaker shell from the bearing guide rail seat and complete disassembling, the utility model not only makes the installation operation of small circuit breaker simple and convenient, and the stepless adjustment of the dynamic buckle is realized through the gear structure, thereby can be applicable to the bearing track seat of different sizes, and the installation adaptability of small circuit breaker is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the internal structure schematic view of the circuit breaker shell of the utility model;

[0015] Figure 2 It is the operation cavity and buckle cavity structure schematic view of the utility model;

[0016] Figure 3 It is the dynamic buckle moving structure schematic view of the utility model;

[0017] Figure 4 It is the dynamic buckle, drive gear, transmission gear connection structure schematic view of the utility model.

[0018] The corresponding relationship between the annotations of each drawing and the component names in the drawing is as follows:

[0019] 1, circuit breaker shell;2, static buckle;3, operation cavity;4, buckle cavity;5, dynamic buckle;6, drive gear;7, transmission gear;8, dial wheel;9, opening;10, rack;11, buckle head;12, limiting gear;13, limiting convex point;14, anti-skid line. DETAILED DESCRIPTION

[0020] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments. Obviously, the described embodiments are some of the embodiments of the utility model, but not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms "upper", "lower", "left", "right" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the utility model, it should be further explained that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] In order to avoid too many unnecessary details, the structure or function belonging to the known will not be described in detail in the following embodiments.

[0024] As shown in the figure, it is a structure diagram of a small circuit breaker buckle structure of a preferred embodiment of the utility model; Figures 1-4

[0025] ​In the embodiment, the circuit breaker shell 1 is provided with a static buckle 2 on one side of the bottom of the circuit breaker shell 1, and an operation cavity 3 is arranged on the other side of the bottom of the circuit breaker shell 1, and the operation cavity 3 is communicated with a buckle cavity 4 arranged on the bottom of the operation cavity 3, and the operation cavity 3 and the buckle cavity 4 are arranged at an angle of 90 degrees, a dynamic buckle 5 is slidably arranged in the buckle cavity 4, a driving gear 6 is vertically rotatably arranged in the buckle cavity 4, a transmission gear 7 is rotatably arranged on one side of the driving gear 6, the driving gear 6 drives the transmission gear 7 to rotate, a dial wheel 8 is arranged on the top of the driving gear 6, the dial wheel 8 drives the driving gear 6 to rotate, an opening 9 is arranged on the side wall of the operation cavity 3 and close to the dial wheel 8, a rack 10 is arranged on one end of the dynamic buckle 5, and a buckle head 11 is arranged on the other end of the dynamic buckle 5, and the transmission gear 7 is engaged with the rack 10. When installing, the circuit breaker shell 1 is placed on the bearing rail seat, the dial wheel 8 is rotated to drive the driving gear 6 to rotate, the driving gear 6 drives the transmission gear 7 to rotate, the transmission gear 7 drives the rack 10 to move, so that the dynamic buckle 5 moves towards the static buckle 2, the circuit breaker shell 1 is clamped on the bearing rail seat through the dynamic buckle 5 and the static buckle 2, and the installation of the circuit breaker shell 1 is completed; when disassembling, the dial wheel 8 is reversely rotated to drive the driving gear 6 to rotate, the driving gear 6 drives the transmission gear 7 to rotate, the transmission gear 7 drives the rack 10 to move, so that the dynamic buckle 5 moves away from the static buckle 2, and the circuit breaker shell 1 can be taken off from the bearing rail seat to complete the disassembly.

[0026] In the embodiment, the top of the dial wheel 8 is provided with a limiting gear 12, the inner wall surface of the operation cavity 3 is provided with a limiting convex point 13, and the limiting convex point 13 is matched with the teeth of the limiting gear 12. The limiting convex point 13 is clamped with the teeth of the limiting gear 12, so that the dial wheel 8 and the driving gear 6 can be limited, and the dial wheel 8 is prevented from rotating automatically after installation, so that the dynamic buckle 5 is prevented from loosening.

[0027] In the embodiment, the surface of the dial wheel 8 is provided with anti-skid lines 14. The anti-skid lines 14 increase the friction of the surface of the dial wheel 8, and the hand is prevented from slipping when the dial wheel 8 is rotated.

[0028] In the embodiment, the dial wheel 8 is exposed from the opening 9. The structure enables an operator to rotate the dial wheel 8 through the circuit breaker shell 1, and facilitates the operation of the operator.

[0029] The installation mode, connection mode or setting mode of the small circuit breaker buckle structure are all common mechanical modes, and any mode that can achieve the beneficial effects can be implemented.

[0030] The technologies not described in detail in the utility model are all known technologies, and the contents represented in the drawings are part of the description.

[0031] The above is further detailed description of the present application in combination with the specific embodiments, and cannot be deemed as limitation of the present application to the above description. For the ordinary skilled in the art to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which shall be deemed as falling within the protection scope of the present application as defined in the claims.

Claims

1. A miniature circuit breaker snap structure, characterized by: The utility model relates to a circuit breaker, including circuit breaker shell (1), one side of the bottom of circuit breaker shell (1) is equipped with static buckle (2), the other side of the bottom of circuit breaker shell (1) is equipped with operation cavity (3), the bottom of operation cavity (3) is equipped with buckle cavity (4) intercommunication, sliding buckle (5) is equipped in buckle cavity (4), the rotation of drive gear (6) is equipped in buckle cavity (4), drive gear (6) one side is equipped with transmission gear (7) and engages, drive gear (6) top is equipped with dolly (8), the opening (9) is seted up in the side wall of operation cavity (3) near dolly (8), buckle (5) one end is equipped with rack (10), buckle (5) other end is equipped with buckle head (11), transmission gear (7) and rack (10) engage.

2. The small circuit breaker buckle structure according to claim 1, characterized in that: The top of dolly (8) is equipped with limit gear (12), the inner wall surface of operation cavity (3) is equipped with limit convex point (13), and the teeth of limit convex point (13) are matched with the teeth of limit gear (12).

3. The small circuit breaker buckle structure according to claim 1, characterized in that: The surface of dolly (8) is equipped with antiskid line (14).

4. The small circuit breaker buckle structure according to claim 1, characterized in that: Dolly (8) is exposed from the opening (9).

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