Contactor with dustproof structure

Abstract

The utility model relates to the technical field of contactors, and discloses a contactor with a dustproof structure, which comprises a fixed box, the inner wall of the fixed box is rotatably connected with a worm, the outer wall of the worm is meshed with a worm gear, the inner wall of the worm gear is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with a first bevel gear. The outer wall of the first bevel gear is in engaged connection with a second bevel gear, the inner wall of the fixed box is fixedly connected with a telescopic rod, the outer wall of the telescopic rod is fixedly connected with a fixed plate, the outer wall of the left side of the fixed plate is slidably connected with a mounting seat, and the outer wall of the mounting seat is provided with a dustproof assembly which is used for preventing dust of the contactor. According to the device, the worm is rotated to drive the worm gear and the connecting rod to rotate, the first bevel gear drives the second bevel gear to rotate, under the action of the fixing column, the rotating plate and the push plate are driven to move, the fixing plate is driven to move leftwards and rightwards, and the effects of fixing and adapting to different sizes of mounting ports are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to contactor technical field especially contactor with dustproof structure. BACKGROUND

[0002] The contactor is an electric component, and is used for controlling the current of a motor or other high-power load, and is mainly used for controlling a large-current load in an electric circuit, such as a motor, a heater device, and the like, and it switches the large-current load by controlling a small-current circuit, so as to realize start-stop control of the device.

[0003] The contactor internally contains an electromagnet, a contact and a spring mechanical component, and needs to use a dustproof structure, which can effectively prevent dust, fibers, metal particles or other small particles from entering the interior of the contactor, and these foreign matters can cause the electrical performance of the contactor to decrease, and even cause the mechanical component to be blocked or damaged.

[0004] Most of the contactors do not have an installation slot of different sizes in use, so that the contactor cannot be applied to various devices or installation slots of different specifications, and the flexibility and universality of the contactor are not enhanced. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a contactor with a dustproof structure, which aims to improve the contactor in use, so that it can adapt to installation slots of different specifications, and enhance the flexibility and universality of the contactor.

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

[0007] The contactor with the dustproof structure comprises a fixed box, the inner wall of the fixed box is rotationally connected with a worm, the outer wall of the worm is meshedly connected with a worm wheel, the inner wall of the worm wheel is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a first bevel gear, the outer wall of the first bevel gear is meshedly connected with a second bevel gear, the inner wall of the second bevel gear is fixedly connected with a fixed column, the outer wall of the middle part of the fixed column is fixedly connected with a rotating plate, the inner wall of the rotating plate is fixedly connected with a second circular fixed block, the outer wall of the second circular fixed block is rotationally connected with a push plate, the inner wall of the fixed box is fixedly connected with an extension rod, the outer wall of the extension rod is fixedly connected with a fixed plate, the outer wall of the fixed plate is fixedly connected to the outer wall of the second circular fixed block, the outer wall of the right side of the fixed plate is slidably connected to the outer wall of the fixed box, the outer wall of the left side of the fixed plate is slidably connected with a mounting seat, the outer wall of the mounting seat is provided with a dustproof assembly, and the dustproof assembly is used for dustproof of the contactor.

[0008] Preferably, the dustproof assembly comprises a dustproof cover, an outer wall of the dustproof cover is slidably connected to an outer wall of the mounting seat, and a lower surface of the dustproof cover is fixedly connected with a hinge.

[0009] Preferably, an outer wall of the connecting rod is rotatably connected to an inner wall of the fixing box, a front side outer wall of the fixing column is rotatably connected to the inner wall of the fixing box, and an outer wall of the fixing box is slidably connected to an inner wall of the mounting seat.

[0010] Preferably, a front side outer wall of the fixing box is fixedly connected with a contactor body, an upper surface of the contactor body is fixedly connected with a dustproof shell, and an inner wall of the dustproof shell is rotatably connected with a handle.

[0011] Preferably, a right side outer wall of the handle is fixedly connected with a first L-shaped plate, a right side outer wall of the first L-shaped plate is rotatably connected with a supporting plate, and a left side outer wall of the supporting plate is rotatably connected with a second L-shaped plate.

[0012] Preferably, an inner wall of the second L-shaped plate is rotatably connected with a first circular fixing block, a left side outer wall of the first circular fixing block is fixedly connected to an inner wall of the dustproof shell, and a right side outer wall of the supporting plate is fixedly connected with a first fixing rod.

[0013] Preferably, an outer wall of the first fixing rod is fixedly connected with a spring, and another end of the spring is fixedly connected with a second fixing rod.

[0014] Preferably, a left side outer wall of the second fixing rod is fixedly connected to the inner wall of the dustproof shell, an upper surface of the supporting plate is fixedly connected with a wiring board, and a lower surface of the wiring board is slidably connected to an upper surface of the dustproof shell.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1. In the utility model, the worm drives the worm gear and the connecting rod to rotate, the first bevel gear drives the second bevel gear to rotate, the fixing column drives the rotating plate and the push plate to move, and the fixing plate moves leftward and rightward, thereby achieving the effects of fixing and adapting to different sizes of installation openings.

[0017] 2. In the utility model, the handle is rotated backward to drive the first L-shaped plate to rotate, the supporting plate is rotated backward, the second L-shaped plate limits the position of the supporting plate, the supporting plate is flipped forward, thereby achieving the effect of opening and closing, the handle is rotated forward to make the supporting plate achieve the effect of closing, and the movement of the supporting plate achieves the effects of dust prevention and quick installation and disassembly of the wires connected to the wiring board. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The utility model provides a contactor with a dustproof structure.

[0019] Fig. 2 The fixed box of the contactor with dustproof structure is shown in the figure;

[0020] Fig. 3 The fixed plate of the contactor with dustproof structure is shown in the figure;

[0021] Fig. 4 The dustproof shell of the contactor with dustproof structure is shown in the figure;

[0022] Fig. 5 The Fig. 4 enlarged view of A in the figure.

[0023] Legend:

[0024] 1, contactor body; 2, dustproof shell; 3, handle; 4, first L-shaped plate; 5, support plate; 6, first fixed rod; 7, spring; 8, second fixed rod; 9, first circular fixed block; 10, second L-shaped plate; 11, wiring board; 12, fixed box; 13, worm; 14, worm gear; 15, connecting rod; 16, first bevel gear; 17, second bevel gear; 18, fixed column; 19, rotating plate; 20, second circular fixed block; 21, push plate; 22, fixed plate; 23, telescopic rod; 24, mounting seat; 25, hinge; 26, dust cover. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Refer to Figs. 1-3The utility model provides an embodiment: contactor with dustproof structure, including fixed box 12, the inner wall rotation is connected with worm 13 of fixed box 12, the outer wall of worm 13 is engaged with worm wheel 14, the inner wall fixed connection has connecting rod 15 of worm wheel 14, the other end fixed connection has first bevel gear 16 of connecting rod 15, the outer wall engaged connection has second bevel gear 17 of first bevel gear 16, the inner wall fixed connection has fixed column 18 of second bevel gear 17, the middle part outer wall fixed connection has rotary plate 19 of fixed column 18, the inner wall fixed connection has second circular fixed block 20 of rotary plate 19, the outer wall rotation is connected with push plate 21 of second circular fixed block 20, the inner wall fixed connection has telescopic link 23 of fixed box 12, the outer wall fixed connection has fixed plate 22 of telescopic link 23, the outer wall fixed connection of fixed plate 22 is in the outer wall of second circular fixed block 20, the outer wall sliding connection of fixed plate 22's right side is in the outer wall of fixed box 12, the outer wall sliding connection has mounting seat 24 of fixed plate 22's left side, dustproof assembly is provided to the outer wall of mounting seat 24, and dustproof assembly is used for contactor dust prevention;

[0027] Specifically, the worm 13 is rotated to drive the worm wheel 14 to rotate, the connecting rod 15 is rotated to drive the first bevel gear 16 to rotate, the second bevel gear 17 is rotated, the fixed column 18 is rotated to drive the rotary plate 19 to rotate, under the action of the second circular fixed block 20, the rotary plate 19 drives the push plate 21 to move, under the action of the rotary plate 19, the fixed plate 22 is moved left and right, the outer wall of the fixed plate 22 is resisted against the inner wall of the mounting seat 24, and the contactor body 1 is fixed.

[0028] Referring to Figs. 1-3 The dustproof assembly includes a dust cover 26, the outer wall of the dust cover 26 is slidingly connected to the outer wall of the mounting seat 24, the lower surface of the dust cover 26 is fixedly connected with a hinge 25, and the rear side of the hinge 25 is fixedly connected to the outer wall of the mounting seat 24; the outer wall of the connecting rod 15 is rotatably connected to the inner wall of the fixed box 12, the front side of the fixed column 18 is rotatably connected to the inner wall of the fixed box 12, and the outer wall of the fixed box 12 is slidingly connected to the inner wall of the mounting seat 24.

[0029] Specifically, under the action of the hinge 25, the dust cover 26 is used to prevent dust from entering the contactor body 1 installed in the mounting seat 24, and the connecting rod 15 is used to connect the worm wheel 14 and the first bevel gear 16, so that the worm wheel 14 and the first bevel gear 16 are rotated at the same time.

[0030] Referring to Figs. 3-5The outer wall of the front side of the fixed box 12 is fixedly connected with the contactor body 1, the upper surface of the contactor body 1 is fixedly connected with the dustproof shell 2, the inner wall of the dustproof shell 2 is rotatably connected with the handle 3; the right side outer wall of the handle 3 is fixedly connected with the first L-shaped plate 4, the right side outer wall of the first L-shaped plate 4 is rotatably connected with the supporting plate 5, the left side outer wall of the supporting plate 5 is rotatably connected with the second L-shaped plate 10; the inner wall of the second L-shaped plate 10 is rotatably connected with the first circular fixed block 9, the left side outer wall of the first circular fixed block 9 is fixedly connected with the inner wall of the dustproof shell 2, the right side outer wall of the supporting plate 5 is fixedly connected with the first fixed rod 6; the outer wall of the first fixed rod 6 is fixedly connected with the spring 7, the other end of the spring 7 is fixedly connected with the second fixed rod 8; the left side outer wall of the second fixed rod 8 is fixedly connected with the inner wall of the dustproof shell 2, the upper surface of the supporting plate 5 is fixedly connected with the wiring board 11, and the lower surface of the wiring board 11 is slidably connected with the upper surface of the dustproof shell 2.

[0031] Specifically, the handle 3 is rotated backward to drive the first L-shaped plate 4 to rotate backward, drive the supporting plate 5 to move backward, the first circular fixed block 9 is fixed to the inner wall of the dustproof shell 2, and the supporting plate 5 is rotated forward under the action of the second L-shaped plate 10, drive the wiring board 11 to flip forward, the dustproof shell 2 is opened and closed through the wiring board 11, the supporting plate 5 is fixed in the closed state through the second fixed rod 8 and the first fixed rod 6 under the action of the spring 7, the dustproof effect is achieved through the closure of the wiring board 11, and the erosion and wear of external environment on the internal mechanical and electrical components of the contactor are reduced.

[0032] Working principle: when the contactor is needed, the screwdriver is used to drive the worm 13 to rotate the worm wheel 14, under the action of the connecting rod 15, the first bevel gear 16 is driven to rotate, the second bevel gear 17 is driven to rotate through the first bevel gear 16, under the action of the fixed column 18, the rotating plate 19 is driven to rotate, the second circular fixed block 20 is fixed on the inner wall of the rotating plate 19, the second circular fixed block 20 rotates in the inner wall of the push plate 21, the push plate 21 is driven to rotate, the fixed plate 22 moves left and right, the outer wall of the fixed plate 22 abuts against the inner wall of the mounting seat 24, the contactor body 1 is fixed, the telescopic rod 23 offsets the movement of the fixed plate 22, under the action of the hinge 25, the dust cover 26 prevents dust from entering the contactor body 1 installed in the mounting seat 24, the first L-shaped plate 4 is driven to rotate backward through the handle 3, the right outer wall of the first L-shaped plate 4 rotates on the left outer wall of the support plate 5, the support plate 5 moves backward, the left outer wall of the first circular fixed block 9 is fixed on the inner wall of the dustproof shell 2, the second L-shaped plate 10 rotates on the outer wall of the first circular fixed block 9, the support plate 5 is driven to rotate through the support plate 5, and the movement of the support plate 5 is limited under the action of the second L-shaped plate 10, the support plate 5 is driven to rotate forward, the terminal block 11 opens and closes the dustproof shell 2, the spring 7 fixed on the outer wall of the second fixed rod 8 and the spring 7 fixed on the outer wall of the first fixed rod 6 fix the support plate 5 in the closed state, the terminal block 11 prevents dust from entering the terminal of the contactor body 1, and the wires are connected to the terminal block 11, the wires are quickly installed on the terminal through the movement of the terminal block 11, the wires are quickly installed and disassembled, the device can adapt to different sizes of installation openings, can be applied to various equipment or different specifications of installation openings, has the effects of enhancing flexibility and universality, realizes the dustproof effect of the contactor body 1, and quickly connects or disconnects the wires through simple overturning, and reduces the installation and maintenance time.

[0033] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A contactor with a dustproof structure, including a fixed housing (12), characterized in that: A worm gear (13) is rotatably connected to the inner wall of the fixed box (12). A worm wheel (14) is meshed with the outer wall of the worm gear (13). A connecting rod (15) is fixedly connected to the inner wall of the worm wheel (14). A first bevel gear (16) is fixedly connected to the other end of the connecting rod (15). A second bevel gear (17) is meshed with the outer wall of the first bevel gear (16). A fixed column (18) is fixedly connected to the inner wall of the second bevel gear (17). A rotating plate (19) is fixedly connected to the outer wall of the middle part of the fixed column (18). A second circular fixed block is fixedly connected to the inner wall of the rotating plate (19). (20) A push plate (21) is rotatably connected to the outer wall of the second circular fixing block (20). A telescopic rod (23) is fixedly connected to the inner wall of the fixing box (12). A fixing plate (22) is fixedly connected to the outer wall of the telescopic rod (23). The outer wall of the fixing plate (22) is fixedly connected to the outer wall of the second circular fixing block (20). The right outer wall of the fixing plate (22) is slidably connected to the outer wall of the fixing box (12). A mounting seat (24) is slidably connected to the left outer wall of the fixing plate (22). A dustproof component is provided on the outer wall of the mounting seat (24). The dustproof component is used for dustproofing the contactor.

2. The contactor with a dustproof structure according to claim 1, characterized in that: The dustproof assembly includes a dust cover (26), the outer wall of which is slidably connected to the outer wall of the mounting base (24), and a hinge (25) is fixedly connected to the lower surface of the dust cover (26), the rear outer wall of which is fixedly connected to the outer wall of the mounting base (24).

3. The contactor with a dustproof structure according to claim 1, characterized in that: The outer wall of the connecting rod (15) is rotatably connected to the inner wall of the fixed box (12), the front outer wall of the fixed column (18) is rotatably connected to the inner wall of the fixed box (12), and the outer wall of the fixed box (12) is slidably connected to the inner wall of the mounting base (24).

4. The contactor with a dustproof structure according to claim 3, characterized in that: The contactor body (1) is fixedly connected to the front outer wall of the fixed box (12), and a dust cover (2) is fixedly connected to the upper surface of the contactor body (1). A handle (3) is rotatably connected to the inner wall of the dust cover (2).

5. The contactor with a dustproof structure according to claim 4, characterized in that: The handle (3) is fixedly connected to the right outer wall of a first L-shaped plate (4), the right outer wall of the first L-shaped plate (4) is rotatably connected to a support plate (5), and the left outer wall of the support plate (5) is rotatably connected to a second L-shaped plate (10).

6. The contactor with a dustproof structure according to claim 5, characterized in that: The inner wall of the second L-shaped plate (10) is rotatably connected to a first circular fixing block (9), the left outer wall of the first circular fixing block (9) is fixedly connected to the inner wall of the dustproof shell (2), and the right outer wall of the support plate (5) is fixedly connected to a first fixing rod (6).

7. The contactor with a dustproof structure according to claim 6, characterized in that: A spring (7) is fixedly connected to the outer wall of the first fixing rod (6), and a second fixing rod (8) is fixedly connected to the other end of the spring (7).

8. The contactor with a dustproof structure according to claim 7, characterized in that: The left outer wall of the second fixing rod (8) is fixedly connected to the inner wall of the dustproof shell (2), and the upper surface of the support plate (5) is fixedly connected to the wiring plate (11), and the lower surface of the wiring plate (11) is slidably connected to the upper surface of the dustproof shell (2).

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