CN221149893U

CN221149893U - Motor centrifugal switch

Info

Publication number: CN221149893U
Application number: CN202323211022.6U
Authority: CN
Inventors: 陈晖�
Original assignee: Ningbo Zhenhai Rongda Electrical Appliance Co ltd
Current assignee: Ningbo Zhenhai Rongda Electrical Appliance Co ltd
Priority date: 2023-11-28
Filing date: 2023-11-28
Publication date: 2024-06-14
Anticipated expiration: 2033-11-28

Abstract

The utility model relates to the technical field of centrifugal switches and discloses a motor centrifugal switch which comprises a fixed box body, wherein one side of the fixed box body is fixedly connected with a fixed block, a rotating shaft is rotationally connected in an inner cavity of the fixed block, one side of the rotating shaft is fixedly connected with a crank, one side of the rotating shaft is fixedly connected with a bidirectional screw rod, an outer ring of the bidirectional screw rod is in threaded connection with a moving block, the top of the moving block is fixedly connected with a connecting block, the top of the moving block positioned on the left side is provided with a first clamping block, and the top of the moving block positioned on the right side is provided with a second clamping block. Through the cooperation of pivot and two-way lead screw, hold the crank and rotate, can drive and be close to each other or keep away from between the movable block, can be close to each other or keep away from between first grip block and the second grip block simultaneously to can carry out the centre gripping to the motor of equidimension not fixed, avoid influencing the normal use of device simultaneously.

Description

Motor centrifugal switch

Technical Field

The utility model relates to the technical field of centrifugal switches, in particular to a motor centrifugal switch.

Background

The centrifugal switch of the motor is a device for controlling the start and stop of the motor, and has the function of automatically cutting off the power supply when the motor reaches a certain rotating speed so as to protect the safe operation of the motor and other equipment.

The utility model provides a Chinese patent publication No. CN219181344U, which relates to a motor centrifugal switch and aims at solving the technical problems that the production, the assembly and the disassembly are inconvenient due to the poor structural design of the existing similar products, and particularly the centrifugal piece component and the tension spring can be installed after the similar products are installed, so that the production, the assembly and the disassembly are inconvenient. The motor centrifugal switch comprises a centrifugal component and a switch box, and is characterized in that one end of a centrifugal piece component of the centrifugal component is provided with a positioning screw, the end part of the positioning screw extends out of the centrifugal piece component, and when the centrifugal piece component of the centrifugal component rotates upwards to be opened, the positioning screw extending out of the centrifugal piece component is propped against a base to be limited; the other end of the centrifugal piece assembly is positioned above the friction head of the switch box and aligned, the shaft pins at the outer sides between the two ends of the centrifugal piece assembly are hinged and fixed on the side plates at the two sides in the base, the outer diameters of the side plates at the two sides of the base are symmetrically provided with tension springs which are obliquely arranged, the base is a sheet metal part of the box body formed by stamping and bending the plate, and after the motor centrifugal switch is installed through the base, the motor centrifugal switch is provided with positioning screws.

The applicant found when implementing above-mentioned scheme that motor centrifugal switch is the device that can control the motor and start and stop, because the device need start and stop the motor of different models, consequently the motor size of different models also is different, but the centre gripping of device is fixed, when leading to the motor great, the device can not fix the motor and play the effect of starting and stopping, when the motor is less, the grip block can not be stable carry out the centre gripping to the motor, leads to the effect of starting and stopping not stable enough to influence the normal use of the device.

Disclosure of utility model

The utility model aims to provide a motor centrifugal switch which solves the problem of insufficient suitability in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides a motor centrifugal switch, includes the fixed box body, one side fixedly connected with fixed block of fixed box body, the inner chamber rotation of fixed block is connected with the pivot, one side fixedly connected with crank of pivot, one side fixedly connected with two-way lead screw of pivot, the outer lane threaded connection of two-way lead screw has the movable block, the top fixedly connected with connecting block of movable block is located the left the top of movable block is provided with first grip block, is located the right the top of movable block is provided with the second grip block, the bottom sliding connection of fixed box body has the antiskid ribbed tile, and the movable block can be along with the rotation of two-way lead screw and remove.

Preferably, the bottom of fixed case body has seted up first spout, sliding connection has first slider in the inner chamber of first spout, fixed connection between first slider and the antiskid ribbed tile, first spout can let first slider remove more stably for protruding font.

Preferably, the utility model discloses a fixed box body, including fixed box body, sealing plate, handle, sealing plate, locating lever, sealing plate and handle, fixedly connected with in the inner chamber of fixed box body, the locating lever is provided with two sets of and with fixed box body symmetric distribution, the front of fixed box body articulates there is the sealing plate, one side fixedly connected with handle of sealing plate, and the sealing plate can remove along with the removal of handle.

Preferably, the inner cavity of the second clamping block is provided with a groove, the inner cavity of the groove is provided with a second sliding groove, the inner cavity of the second sliding groove is slidably connected with second sliding blocks, the second sliding blocks are provided with two groups and are symmetrically distributed in a fixed box body, a connecting plate is fixedly connected between the second sliding blocks, the connecting plate is fixedly connected with the first clamping block, and the connecting plate can move along with the movement of the first clamping block.

Preferably, a centrifugal frame is arranged on one side of each of the first clamping block and the second clamping block, and a centrifugal ring is movably connected in an inner cavity of the centrifugal frame.

Preferably, one side of the centrifugal frame is provided with a centrifugal iron core plate, threaded rods are connected in the inner cavities of the centrifugal frame and the centrifugal iron core plate in a threaded manner, and nuts are connected with the outer ring threads of the threaded rods in a threaded manner and can avoid falling of the threaded rods.

Preferably, a centrifugal spring piece is arranged between the centrifugal frames, and a connecting box is arranged between the centrifugal spring pieces.

Preferably, a lower contact piece is arranged at the top of the fixed box body, an upper contact piece is arranged at the top of the lower contact piece, and a switch contact piece is arranged between the lower contact piece and the upper contact piece.

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

1. According to the utility model, the crank is held to rotate through the cooperation of the rotating shaft and the bidirectional screw rod, the rotating shaft can be driven to rotate, the rotating shaft is fixedly connected with the bidirectional screw rod, the bidirectional screw rod can rotate along with the rotation of the rotating shaft, and the moving blocks are in threaded connection with the outer ring of the bidirectional screw rod, so that the moving blocks can be driven to be mutually close to or far away from each other by holding the crank to rotate, and meanwhile, the first clamping block and the second clamping block can be mutually close to or far away from each other, so that motors with different sizes can be clamped and fixed, and the normal use of the device is prevented from being influenced.

2. According to the utility model, the first sliding block is aligned to the first sliding groove to slide through the cooperation of the fixed box body and the antiskid plate, so that the antiskid plate can be placed at the bottom of the fixed box body, the damping of the antiskid plate is large, the shaking and moving conditions of the fixed box body can be avoided, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

Fig. 4 is an enlarged view at a of fig. 2.

Wherein: 1. a fixed box body; 2. a fixed block; 3. a rotating shaft; 4. a crank; 5. a two-way screw rod; 6. a moving block; 7. a connecting block; 8. a first clamping block; 9. a second clamping block; 10. a cleat; 11. a first chute; 12. a first slider; 13. a limit rod; 14. a sealing plate; 15. a handle; 16. a groove; 17. a second chute; 18. a second slider; 19. a connecting plate; 20. a centrifugal frame; 21. a centrifugal ring; 22. centrifuging the iron core plate; 23. a threaded rod; 24. a screw cap; 25. a centrifugal spring piece; 26. a connection box; 27. a lower contact piece; 28. an upper contact piece; 29. and a switch contact piece.

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. 1-3, a centrifugal switch for a motor includes a fixed case body 1, and is characterized in that: one side fixedly connected with fixed block 2 of fixed box body 1, the inner chamber rotation of fixed block 2 is connected with pivot 3, one side fixedly connected with crank 4 of pivot 3, one side fixedly connected with two-way lead screw 5 of pivot, the outer lane threaded connection of two-way lead screw 5 has movable block 6, the top fixedly connected with connecting block 7 of movable block 6, the top that is located left movable block 6 is provided with first grip block 8, the top that is located right movable block 6 is provided with second grip block 9, the bottom sliding connection of fixed box body 1 has antiskid ribbed tile 10, movable block 6 can move along with the rotation of two-way lead screw 5. The bottom of fixed box body 1 has seted up first spout 11, and sliding connection has first slider 12 in the inner chamber of first spout 11, fixed connection between first slider 12 and the antiskid ribbed tile 10, and first spout 11 can let first slider 12 remove more stably for protruding font. The utility model discloses a fixed box, including fixed box body 1, sealing plate 14, handle 15, sealing plate 14 and handle 15, fixed box body 1's inner chamber is fixed connection in, and the gag lever post 13 is provided with two sets of and with fixed box body 1 symmetric distribution, and the front of fixed box body 1 articulates there is sealing plate 14, and one side fixedly connected with handle 15 of sealing plate 14, sealing plate 14 can move along with the removal of handle 15.

In the embodiment of the utility model, the handle 15 is held to move, the handle 15 is fixedly connected with the sealing plate 14, the sealing plate 14 moves along with the movement of the handle 15, and the sealing plate 14 is hinged on the front surface of the fixed box body 1, so that the fixed box body 1 can be opened by holding the handle 15 to move.

Referring to fig. 1-4, a groove 16 is formed in an inner cavity of the second clamping block 9, a second sliding groove 17 is formed in an inner cavity of the groove 16, second sliding blocks 18 are slidably connected in the inner cavity of the second sliding groove 17, the second sliding blocks 18 are provided with two groups and are symmetrically distributed with the fixed box body 1, a connecting plate 19 is fixedly connected between the second sliding blocks 18, the connecting plate 19 is fixedly connected with the first clamping block 8, and the connecting plate 19 moves along with the movement of the first clamping block 8. One side of the first clamping block 8 and one side of the second clamping block 9 are respectively provided with a centrifugal frame 20, and a centrifugal ring 21 is movably connected in the inner cavity of the centrifugal frame 20. One side of the centrifugal frame 20 is provided with a centrifugal iron core plate 22, threaded rods 23 are connected in the inner cavities of the centrifugal frame 20 and the centrifugal iron core plate 22 in a threaded manner, nuts 24 are connected to the outer ring threads of the threaded rods 23, and the nuts 24 can prevent the threaded rods 23 from falling off. A centrifugal spring piece 25 is arranged between the centrifugal frames 20, and a connecting box 26 is arranged between the centrifugal spring pieces 25. The top of the fixed box body 1 is provided with a lower contact piece 27, the top of the lower contact piece 27 is provided with an upper contact piece 28, and a switch contact piece 29 is arranged between the lower contact piece 27 and the upper contact piece 28.

In the embodiment of the utility model, when the first clamping block 8 and the second clamping block 9 are close to each other, the connecting plate 19 can be deep into the inner cavity of the groove 16, the connecting plate 19 is fixedly connected with the second sliding block 18, the second sliding groove 17 is arranged in the inner cavity of the groove 16, and the second sliding groove 17 is in a convex shape, so that the movement of the connecting plate 19 can be more stable.

When the motor is used, firstly, the motor is placed between the first clamping block 8 and the second clamping block 9, when the motor is smaller, the crank 4 is held to rotate, the rotating shaft 3 can be driven to rotate, the rotating shaft 3 is fixedly connected with the bidirectional screw rod 5, the bidirectional screw rod 5 can rotate along with the rotation of the rotating shaft 3, and the moving block 6 is in threaded connection with the outer ring of the bidirectional screw rod 5, so that the crank 4 is held to rotate to drive the moving blocks 6 to be close to each other, meanwhile, the first clamping block 8 and the second clamping block 9 are close to each other, and the connecting plate 19 can be deep into the inner cavity of the groove 16, so that the smaller motor can be clamped and fixed. In order to avoid the unstable factor of movable block 6 when moving, fixedly connected with gag lever post 13 in the inner chamber of fixed box body 1, gag lever post 13 alternates in the inner chamber of movable block 6, can let movable block 6 more stable when moving. When the inner cavity of the fixed box body 1 needs to be detected, the handle 15 is held to move, the handle 15 is fixedly connected with the sealing plate 14, the sealing plate 14 moves along with the movement of the handle 15, and the sealing plate 14 is hinged to the front surface of the fixed box body 1, so that the fixed box body 1 can be opened by holding the handle 15 to move. When the motor rotational speed is higher, in order to avoid the condition that shake, removal appear in fixed case body 1, aim at first spout 11 slip with first slider 12, first slider 12 and antiskid plate 10 fixed connection, the bottom at fixed case body 1 is seted up to first spout 11, consequently, aim at first spout 11 slip with first slider 12, can place antiskid plate 10 in the bottom of fixed case body 1, because antiskid plate 10's damping is great, can avoid the condition that shake, removal appear in fixed case body 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor centrifugal switch, includes fixed case body (1), its characterized in that: one side fixedly connected with fixed block (2) of fixed box body (1), the inner chamber rotation of fixed block (2) is connected with pivot (3), one side fixedly connected with crank (4) of pivot (3), one side fixedly connected with two-way lead screw (5) of pivot (3), the outer lane threaded connection of two-way lead screw (5) has movable block (6), the top fixedly connected with connecting block (7) of movable block (6), be located the left side the top of movable block (6) is provided with first grip block (8), is located the right side the top of movable block (6) is provided with second grip block (9), the bottom sliding connection of fixed box body (1) has antiskid ribbed tile (10).

2. A centrifugal switch for an electric motor as set forth in claim 1, wherein: the anti-skid device is characterized in that a first sliding groove (11) is formed in the bottom of the fixed box body (1), a first sliding block (12) is connected in the inner cavity of the first sliding groove (11) in a sliding mode, and the first sliding block (12) is fixedly connected with the anti-skid plate (10).

3. A centrifugal switch for an electric motor as set forth in claim 1, wherein: the utility model discloses a fixed box, including fixed box body (1), sealing plate (14) are articulated in the inner chamber of fixed box body (1), fixedly connected with gag lever post (13), gag lever post (13) are provided with two sets of and with fixed box body (1) symmetric distribution, the front of fixed box body (1) is articulated have sealing plate (14), one side fixedly connected with handle (15) of sealing plate (14).

4. A centrifugal switch for an electric motor as set forth in claim 1, wherein: the inner cavity of the second clamping block (9) is provided with a groove (16), the inner cavity of the groove (16) is provided with a second sliding groove (17), the inner cavity of the second sliding groove (17) is slidably connected with a second sliding block (18), the second sliding blocks (18) are provided with two groups and symmetrically distributed in the fixed box body (1), a connecting plate (19) is fixedly connected between the second sliding blocks (18), and the connecting plate (19) is fixedly connected with the first clamping block (8).

5. A centrifugal switch for an electric motor as set forth in claim 1, wherein: one sides of the first clamping block (8) and the second clamping block (9) are respectively provided with a centrifugal frame (20), and a centrifugal ring (21) is movably connected in an inner cavity of the centrifugal frame (20).

6. A centrifugal switch for an electric motor as set forth in claim 5, wherein: one side of centrifugal frame (20) is provided with centrifugal iron core piece (22), all threaded connection has threaded rod (23) in centrifugal frame (20) and the inner chamber of centrifugal iron core piece (22), the outer lane threaded connection of threaded rod (23) has nut (24).

7. A centrifugal switch for an electric motor as set forth in claim 5, wherein: a centrifugal spring piece (25) is arranged between the centrifugal frames (20), and a connecting box (26) is arranged between the centrifugal spring pieces (25).

8. A centrifugal switch for an electric motor as set forth in claim 1, wherein: the top of fixed box body (1) is provided with down contact (27), the top of lower contact (27) is provided with upper contact (28), be provided with switch contact (29) between lower contact (27) and upper contact (28).