Miniature circuit breaker convenient to install

Abstract

The utility model discloses a miniature circuit breaker convenient to install, and relates to the technical field of circuit breakers. The circuit breaker comprises a guide rail, the front face of the guide rail is movably clamped with a circuit breaker body, the back face of the circuit breaker body is provided with a clamping groove, the inner wall of the clamping groove is movably clamped with the surface of the guide rail, and the surface of the circuit breaker body is fixedly connected with a clamping assembly used for being in butt joint with the guide rail. The top of the circuit breaker body is provided with a locking mechanism used for connecting the guide rail and the circuit breaker body, the clamping assembly comprises a clamping sleeve, the clamping sleeve is fixedly connected with the front face of the circuit breaker body, the end of the clamping sleeve is fixedly connected with a side clamping block, the surface of the side clamping block is fixedly connected with an insertion rod, and the insertion rod is fixedly connected with the clamping sleeve. During use, the effect of quickly mounting and dismounting the circuit breaker is realized, other tools are not needed for operation, the operation is more convenient and labor-saving, and particularly, the efficiency is higher when a plurality of circuit breakers are mounted and dismounted.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely relates to a miniature circuit breaker convenient to installation. BACKGROUND

[0002] As an important circuit protection device, miniature circuit breakers (MCB) are widely used in residential, commercial and industrial power distribution systems to prevent circuit overload and short-circuit faults. With the popularity of electrical equipment and the growing demand for electricity, there is a higher demand for the convenience, safety and reliability of miniature circuit breakers.

[0003] Traditional miniature circuit breakers are usually fixed on the guide rail in the power distribution cabinet by buckles or screws. This installation process is more cumbersome, and requires the use of tools (such as screwdrivers) for fixing, with limited operating space and low installation efficiency. Especially in situations where multiple circuit breakers need to be installed, it is time-consuming and labor-intensive. When the circuit breaker needs to be repaired or replaced, the traditional installation method is difficult to disassemble, which can damage the circuit breaker and affect the normal operation of the power distribution system.

[0004] Therefore, a miniature circuit breaker convenient to install is proposed. SUMMARY

[0005] The purpose of the utility model is to solve the problems mentioned in the background art. The utility model provides a miniature circuit breaker convenient to install.

[0006] The utility model discloses a technical scheme to achieve the above purposes:

[0007] A miniature circuit breaker convenient to install includes a guide rail, a circuit breaker body movably connected to the front of the guide rail, a clamping groove provided on the back of the circuit breaker body, the inner wall of the clamping groove movably connected to the surface of the guide rail, a clamping assembly fixedly connected to the surface of the circuit breaker body for butt joint with the guide rail, and a locking mechanism provided on the top of the circuit breaker body for connecting the guide rail and the circuit breaker body.

[0008] Further, the clamping assembly includes a clamping sleeve fixedly connected to the front of the circuit breaker body, a side clamping block fixedly connected to the end of the clamping sleeve, and a plug rod fixedly connected to the surface of the side clamping block. The front of the guide rail is provided with a plug hole, and the inner wall of the plug hole is movably connected to the end of the plug rod.

[0009] Further, the locking mechanism comprises a mounting cavity, which is arranged in the circuit breaker body, and an inner wall of the mounting cavity is rotationally connected with a lead screw, a surface of the lead screw is threadedly connected with a connecting rod, an end of the connecting rod is fixedly connected with a positioning column, a top surface of the guide rail is provided with an alignment groove, and an inner wall of the alignment groove is movably inserted with the end of the positioning column, and left and right sides of the circuit breaker body are both provided with a sliding groove, and an inner wall of the sliding groove is slidably connected with a surface of the connecting rod.

[0010] Further, the adjusting assembly comprises a worm, which is rotationally connected with the circuit breaker body, and a front end of the worm is fixedly connected with a knob.

[0011] Further, the number of the insertion holes and the alignment grooves is multiple.

[0012] Further, left and right ends of the guide rail are both fixedly connected with L-shaped mounting plates.

[0013] The utility model discloses the following beneficial effects:

[0014] Before installation, the guide rail is first fixed in the installation position, the circuit breaker body back clamping groove is aligned with the guide rail surface, the clamping assembly is used to preliminarily position between the guide rail and the circuit breaker body, then the locking mechanism is used to lock between the guide rail and the circuit breaker body, thereby realizing the installation and fixation of the circuit breaker body, when disassembling, the limiting effect of the locking mechanism is released, the circuit breaker body is pulled to the front side, and the circuit breaker body can be disassembled from the guide rail surface, and the effect that the circuit breaker is conveniently and quickly installed and disassembled is realized in use, other tools are not needed to operate, and it is more convenient and labor-saving to operate, and especially when multiple circuit breakers are installed and disassembled, the efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is the clamping assembly structure schematic diagram of the utility model;

[0017] Fig. 3 It is the circuit breaker body structure front view of the utility model;

[0018] The guide rail is 1, the circuit breaker body is 2, the clamping assembly is 3, the clamping sleeve is 301, the side clamping block is 302, the insertion rod is 303, the insertion hole is 304, the locking mechanism is 4, the lead screw is 401, the connecting rod is 402, the sliding groove is 403, the positioning column is 404, the alignment groove is 405, the worm is 406, the knob is 407, the worm wheel is 408, the mounting cavity is 409, and the L-shaped mounting plate is 5. DETAILED DESCRIPTION

[0019] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0020] Therefore, the detailed description of the embodiments of the present application provided below in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0021] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0022] The electrical components appearing in the text are all connected with the main controller and 220V mains of the outside world, and the main controller can be a conventional known device such as a computer that can be controlled.

[0023] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the product of the present application is used, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as limiting the present application.

[0024] As Figs. 1 to 3As shown, a kind of miniature circuit breaker of easy installation, including guide rail 1, the positive face of guide rail 1 is movably clamped with circuit breaker body 2, the back of circuit breaker body 2 is provided with clamping groove, and the inner wall of clamping groove is movably clamped with the surface of guide rail 1, the surface of circuit breaker body 2 is fixedly connected with clamping assembly 3 for and the butt joint of guide rail 1, the top of circuit breaker body 2 is provided with locking mechanism 4 for connecting guide rail 1 and circuit breaker body 2.It is more specific that, before installation, guide rail 1 is first fixed in installation position, the back of circuit breaker body 2 clamping groove is aligned with the surface of guide rail 1, clamping assembly 3 is used to preliminarily position between guide rail 1 and circuit breaker body 2, then locking mechanism 4 is used to lock between guide rail 1 and circuit breaker body 2, so as to realize the installation and fixation of circuit breaker body 2, when disassembling, the limiting effect of locking mechanism 4 is released, circuit breaker body 2 is pulled to forward side, and it can be disassembled from the surface of guide rail 1.

[0025] Clamping assembly 3 includes clamping sleeve 301, and clamping sleeve 301 is fixedly connected with the front surface of circuit breaker body 2, the end of clamping sleeve 301 is fixedly connected with side clamping block 302, the surface of side clamping block 302 is fixedly connected with insertion rod 303, the front surface of guide rail 1 is provided with insertion hole 304, and the inner wall of insertion hole 304 is movably inserted with the end of insertion rod 303.It needs to be noted that, side clamping block 302 is aligned with the surface of guide rail 1 and is clamped, so that insertion rod 303 can accurately enter the inner wall of insertion hole 304, so as to realize the preliminary connection and positioning with guide rail 1.

[0026] Locking mechanism 4 includes installation cavity 409, and installation cavity 409 is arranged in the inside of circuit breaker body 2, the inner wall of installation cavity 409 is rotatably connected with lead screw 401, the surface of lead screw 401 is threadedly connected with connecting rod 402, the end of connecting rod 402 is fixedly connected with positioning column 404, the top surface of guide rail 1 is provided with alignment recess 405, and the inner wall of alignment recess 405 is movably inserted with the end of positioning column 404, the left and right sides of circuit breaker body 2 are both provided with sliding slot 403, and the inner wall of sliding slot 403 is slidably connected with the surface of connecting rod 402, and locking mechanism 4 further includes adjusting assembly for controlling the rotation of lead screw 401.It is more specific that, the rotation of lead screw 401 is controlled by adjusting assembly, and under the thread action on its surface, connecting rod 402 will be slid along the inner wall of sliding slot 403, so as to push positioning column 404 to move downward, so that positioning column 404 is inserted into the inner wall of alignment recess 405, so as to fix between guide rail 1 and circuit breaker body 2, and the reverse rotation of lead screw 401 can quickly release the limiting.

[0027] The adjusting assembly comprises a worm 406, the worm 406 is rotationally connected with the circuit breaker body 2, a knob 407 is fixedly connected to the front end of the worm 406, a worm wheel 408 is fixedly sleeved on the surface of the lead screw 401, and the worm wheel 408 is engaged with the worm 406. It should be noted that the knob 407 can be rotated to drive the worm 406 to rotate, thereby driving the worm wheel 408 engaged with the worm 406 to rotate, and the rotation of the lead screw 401 is controlled, and the worm 406 and the worm wheel 408 can realize self-locking, so that the lead screw 401 can be kept stable.

[0028] The number of the insertion holes 304 and the alignment grooves 405 is multiple. More specifically, by arranging multiple alignment grooves 405 and insertion holes 304, the multiple positioning columns 404 and the insertion rods 303 are facilitated to cooperate, so that the multiple circuit breaker bodies 2 are installed and fixed.

[0029] The left and right ends of the guide rail 1 are fixedly connected with L-shaped mounting plates 5. It should be noted that the guide rail 1 can be stably installed and fixed by cooperating the L-shaped mounting plates 5 with the bolts.

[0030] In summary: before installation, the guide rail 1 is first fixed at the installation position, the back clamping groove of the circuit breaker body 2 is aligned with the surface of the guide rail 1, the clamping assembly 3 is used to preliminarily position the guide rail 1 and the circuit breaker body 2, and then the locking mechanism 4 is used to lock the guide rail 1 and the circuit breaker body 2, so as to realize the installation and fixation of the circuit breaker body 2. When disassembling, the limiting effect of the locking mechanism 4 is released, the circuit breaker body 2 is pulled to the front side, and then it can be disassembled from the surface of the guide rail 1. In use, the effect of facilitating the quick installation and disassembly of the circuit breaker is realized, other tools are not needed for operation, the operation is more convenient and labor-saving, and especially when multiple circuit breakers are installed and disassembled, the efficiency is higher.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A miniature circuit breaker that is easy to install, characterized in that, The circuit breaker includes a guide rail (1), a circuit breaker body (2) is movably engaged on the front of the guide rail (1), a slot is provided on the back of the circuit breaker body (2), and the inner wall of the slot is movably engaged with the surface of the guide rail (1). A clamping assembly (3) for docking with the guide rail (1) is fixedly connected to the surface of the circuit breaker body (2), and a locking mechanism (4) for connecting the guide rail (1) and the circuit breaker body (2) is provided on the top of the circuit breaker body (2).

2. The miniature circuit breaker for easy installation according to claim 1, characterized in that, The clamping assembly (3) includes a sleeve (301), and the sleeve (301) is fixedly connected to the front of the circuit breaker body (2). A side clamping block (302) is fixedly connected to the end of the sleeve (301), and a plug rod (303) is fixedly connected to the surface of the side clamping block (302). A plug hole (304) is opened on the front of the guide rail (1), and the inner wall of the plug hole (304) is movably inserted into the end of the plug rod (303).

3. The miniature circuit breaker for easy installation according to claim 2, characterized in that, The locking mechanism (4) includes a mounting cavity (409) which is located inside the circuit breaker body (2). A lead screw (401) is rotatably connected to the inner wall of the mounting cavity (409). A connecting rod (402) is threadedly connected to the surface of the lead screw (401). A positioning post (404) is fixedly connected to the end of the connecting rod (402). An alignment groove (405) is provided on the top surface of the guide rail (1). The inner wall of the alignment groove (405) is movably inserted into the end of the positioning post (404). Slide grooves (403) are provided through the left and right sides of the circuit breaker body (2). The inner wall of the slide groove (403) is slidably connected to the surface of the connecting rod (402). The locking mechanism (4) also includes an adjustment component for controlling the rotation of the lead screw (401).

4. The miniature circuit breaker for easy installation according to claim 3, characterized in that, The adjusting assembly includes a worm gear (406), which is rotatably connected to the circuit breaker body (2). A knob (407) is fixedly connected to the front end of the worm gear (406). A worm wheel (408) is fixedly sleeved on the surface of the lead screw (401), and the worm wheel (408) meshes with the worm gear (406).

5. A miniature circuit breaker that is easy to install according to claim 4, characterized in that, The number of the insertion holes (304) and the alignment grooves 4 (05) are both multiple sets.

6. The miniature circuit breaker for easy installation according to claim 1, characterized in that, Both ends of the guide rail (1) are fixedly connected to L-shaped mounting plates (5).

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