Explosion-proof manual change-over switch structure

Abstract

The utility model provides an explosion-proof type manual change-over switch structure which comprises a fixed seat, a movable seat is movably installed on the side of the fixed seat, power connection blocks are fixed to the top and the bottom of the movable seat, an open hole is formed in the movable seat, a fixing bolt is movably installed in the open hole, and the power connection blocks are fixed to the top and the bottom of the movable seat. A mounting hole and an electrode column are respectively fixed on the movable seat, one end of the electrode column is movably mounted in the mounting hole, an electrode plate is fixed in the mounting hole, and the electrode plate is matched with the electrode column. When the explosion-proof type manual change-over switch structure is used, the fixing bolts are detached from the fixing seats, the movable seats are not limited after the fixing bolts are detached, the limited movable seats can be independently detached and replaced, and in addition, the number of the movable seats can be selected according to the use space.

Description

TECHNICAL FIELD

[0001] The utility model relates to manual transfer switch equipment field, concretely is a kind of explosion-proof manual transfer switch structure. BACKGROUND

[0002] The transfer switch is used as power supply introduction switch in electrical circuit, and can control the start, stop, speed change and reversing of motor, and the transfer switch is divided into automatic and received, the existing transfer switch is integrated, and the single circuit cannot be replaced after damage.

[0003] According to the patent literature disclosed in the prior art with the publication number CN216793491U, a kind of explosion-proof transfer switch with protection function, it includes explosion-proof transfer switch main body and the cover of explosion-proof transfer switch main body top, the explosion-proof transfer switch main body top is fixedly connected with positioning column, the cover is internally provided with the positioning hole corresponding with positioning column, the positioning hole is connected with the positioning column by positioning assembly, this technical scheme can drive sliding block to slide in sliding groove under the reset action of first spring when in use, in turn drive abutment block to insert into positioning column, realize the limiting of positioning column and cover, this way can facilitate the installation between cover and switch main body, meanwhile enhance equipment disassembly and maintenance efficiency, improve the use effect of device, for the above technical scheme, although this scheme is convenient for disassembly later, but the line switch cannot be replaced individually after line damage, it is inconvenient when in use. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an explosion-proof manual transfer switch structure to solve the problems raised in the background art, and the utility model has a novel structure, in use, the fixing bolt is removed from the fixing seat, the movable seat loses the limiting after the fixing bolt is removed, the movable seat can be replaced individually after limiting, and additionally, the number of movable seats used can be selected according to the use space.

[0005] To achieve the above object, the utility model is implemented by the following technical scheme: an explosion-proof manual transfer switch structure, comprising a fixing seat, a movable seat movably mounted on the side of the fixing seat, an electric connection block fixed to the top and bottom of the movable seat, an opening formed in the movable seat, a fixing bolt movably mounted in the opening, an installation hole and an electrode column fixed to the movable seat, the electrode column movably mounted in one end of the installation hole, an electrode sheet fixed in the installation hole, the electrode sheet matched with the electrode column, and the fixing seat and the movable seat are both explosion-proof housings.

[0006] Further, the side of the movable seat and the fixed seat is fixed with a fixed block, a fixed hole is formed in the fixed block, a fixed groove is formed in the side of the movable seat, and the fixed block is movably installed in the fixed groove.

[0007] Further, the inside of the fixed seat is fixed with a support pipe, one end of the support pipe is movably installed with a support column, one end of the support column is fixed with a rotating seat, and the rotating seat is a flameproof housing.

[0008] Further, a handle is fixed on the rotating seat, a limiting hole is formed on the fixed seat, a limiting column is welded on the rotating seat and movably installed in the limiting hole.

[0009] Further, a cavity is formed in the inside of the support pipe, one end of the support column is movably installed in the inside of the cavity, and a limiting groove is formed on the inner wall of the cavity.

[0010] Further, a limiting block is movably installed in the inside of the limiting groove, a supporting mechanism is fixedly installed between the limiting block and the limiting groove, and one end of the limiting block is fixed on the support column.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The explosion-proof manual change-over switch structure, when in use, the fixed bolt is removed from the fixed seat, the movable seat loses the limit after the fixed bolt is removed, the movable seat can be individually disassembled and replaced, and in addition, the number of movable seats used can be selected according to the use space.

[0013] 2. The explosion-proof manual change-over switch structure, the limiting column is separated from the limiting hole before the rotating seat rotates, the rotating seat rotates after being separated, the limiting column cooperates with the limiting hole to limit the rotating seat after the rotating seat rotates, and the influence caused by the rotation of the rotating seat is avoided under the limiting condition. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the explosion-proof manual change-over switch structure;

[0015] Fig. 2 It is a structure schematic view of the electrode column of the explosion-proof manual change-over switch structure;

[0016] Fig. 3 It is a structure schematic view of the movable seat after being disassembled of the explosion-proof manual change-over switch structure;

[0017] Fig. 4 It is a support pipe side view cross section structure schematic view of the explosion-proof manual change-over switch structure;

[0018] In the figure: 1, fixed seat; 2, rotating seat; 3, handle; 4, movable seat; 5, electricity connection block; 6, fixed block; 7, fixed hole; 8, fixed bolt; 9, mounting hole; 10, electrode column; 11, opening; 12, limiting hole; 13, support pipe; 14, cavity; 15, limiting groove; 16, limiting block; 17, supporting mechanism; 18, support column; 19, limiting column. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a kind of anti-explosion type manual transfer switch structure, including fixed seat 1, the side of fixed seat 1 is movably installed with movable seat 4, fixed seat 1 and movable seat 4 are all using explosion-proof housing, the top and bottom of movable seat 4 are all fixed with electricity connection block 5, opening 11 is opened on movable seat 4, fixed bolt 8 is movably installed in the inside of opening 11, mounting hole 9 and electrode column 10 are respectively fixed on movable seat 4, one end of electrode column 10 is movably installed in the inside of mounting hole 9, electrode sheet is fixed in the inside of mounting hole 9, electrode sheet is matched with electrode column 10, the side of movable seat 4 and fixed seat 1 is fixed with fixed block 6, fixed hole 7 is opened on fixed block 6, fixed groove is opened on the side of movable seat 4, fixed block 6 is movably installed in the inside of fixed groove, after movable seat 4 is installed together, fixed block 6 is movably installed in the inside of fixed groove and is stored, so as to realize the cooperation installation of multiple movable seats 4.

[0021] In the embodiment, the inside of fixed seat 1 is fixed with support pipe 13, one end of support pipe 13 is movably installed with support column 18, one end of support column 18 is fixed with rotating seat 2, rotating seat 2 uses explosion-proof housing, handle 3 is fixed on rotating seat 2, limiting hole 12 is opened on fixed seat 1, limiting column 19 is welded on rotating seat 2, limiting column 19 is movably installed in the inside of limiting hole 12, cavity 14 is opened in the inside of support pipe 13, one end of support column 18 is movably installed in the inside of cavity 14, limiting groove 15 is opened on the inner wall of cavity 14, limiting block 16 is movably installed in the inside of limiting groove 15, supporting mechanism 17 is fixedly installed between limiting block 16 and limiting groove 15, one end of limiting block 16 is fixed on support column 18, supporting mechanism 17 is support spring, support spring pushes support column 18 to shrink to the inside of cavity 14, the movement of support column 18 drives limiting column 19 to enter to the inside of limiting hole 12 and limits rotating seat 2.

[0022] The switch box part adopts a flameproof structure, the junction box part adopts a safety-enhanced structure, the flameproof structure is mainly realized through a flameproof shell, and the safety-enhanced structure is realized through technical means such as shell protection, electrical insulation, wire connection, electrical clearance and creepage distance, and temperature protection.

[0023] The device is used, the movable seat 4 is combined and installed according to the number of movable seats 4, the electrode column 10 on the movable seat 4 at the adjacent position is installed in the installation hole 9, the electrode column 10 is matched with the electrode sheet in the installation hole 9 to realize the connection of the circuit between the movable seats 4, the fixed bolt 8 is installed in the opening 11 after the movable seat 4 is combined and installed, the rotation of the fixed bolt 8 extrudes and limits the movable seat 4, and the movable seat 4 and the fixed seat 1 are fixed, when the fixed seat 1 needs to be installed, the fixed seat 1 is fixed and installed at the use position through the fixed hole 7 on the fixed block 6, the rotating seat 2 is moved outward through the handle 3 during use, the supporting column 18 moves in the cavity 14, the supporting column 18 is extruded to move the supporting mechanism 17, the supporting mechanism 17 is extruded and shrunk to provide a moving space for the supporting column 18, the limiting column 19 moves out of the limiting hole 12 after the rotating seat 2 moves, the rotating seat 2 loses the limitation after moving out, the rotating seat 2 is rotated by 90 degrees to control the equipment, the handle 3 is loosened after the rotating seat 2 is rotated, the rotating seat 2 contacts the fixed seat 1 under the pulling of the supporting mechanism 17, and the limiting column 19 enters the limiting hole 12 to limit and fix the rotating seat 2.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0025] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An explosion-proof manual transfer switch structure, comprising a fixing seat (1), characterized in that: A movable seat (4) is movably mounted on the side of the fixed seat (1), and a power connection block (5) is fixed to the top and bottom of the movable seat (4). An opening (11) is opened on the movable seat (4), and a fixing bolt (8) is movably mounted inside the opening (11). A mounting hole (9) and an electrode column (10) are respectively fixed on the movable seat (4), and one end of the electrode column (10) is movably mounted inside the mounting hole (9). An electrode sheet is fixed inside the mounting hole (9), and the electrode sheet cooperates with the electrode column (10). Both the fixed seat (1) and the movable seat (4) adopt a flameproof shell.

2. The explosion-proof manual transfer switch structure according to claim 1, characterized in that: The sides of the movable seat (4) and the fixed seat (1) are both fixed with fixed blocks (6), the fixed blocks (6) are provided with fixed holes (7), the sides of the movable seat (4) are provided with fixed grooves, and the fixed blocks (6) are movably mounted inside the fixed grooves.

3. The explosion-proof manual transfer switch structure according to claim 2, characterized in that: A support tube (13) is fixed inside the fixed seat (1), a support column (18) is movably mounted on one end of the support tube (13), a rotating seat (2) is fixed on one end of the support column (18), and the rotating seat (2) adopts a flameproof shell.

4. The explosion-proof manual transfer switch structure according to claim 3, characterized in that: A handle (3) is fixed on the rotating seat (2), a limiting hole (12) is opened on the fixed seat (1), a limiting column (19) is welded on the rotating seat (2), and the limiting column (19) is movably installed inside the limiting hole (12).

5. The explosion-proof manual transfer switch structure according to claim 3, characterized in that: A cavity (14) is provided inside the support tube (13), one end of the support column (18) is movably mounted inside the cavity (14), and a limiting groove (15) is provided on the inner wall of the cavity (14).

6. The explosion-proof manual transfer switch structure according to claim 5, characterized in that: A limiting block (16) is movably installed inside the limiting groove (15), a support mechanism (17) is fixedly installed between the limiting block (16) and the limiting groove (15), and one end of the limiting block (16) is fixed on a support column (18).

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