CN219145005U

CN219145005U - Combined motor protector

Info

Publication number: CN219145005U
Application number: CN202222563000.5U
Authority: CN
Inventors: 杜金成
Original assignee: Yantai Yuwan Electronic Technology Co ltd
Current assignee: Yantai Yuwan Electronic Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-06
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of motor equipment, in particular to a combined motor protector, which comprises a shell capable of moving forwards and backwards and a connecting plate, wherein the bottom of the connecting plate is fixedly arranged on the upper surface of a switch cover, an adjustable connecting structure is fixedly arranged in the middle of the upper surface of the shell, one end of the connecting structure is in threaded connection with a detachable limiting plate, two top plates are fixedly arranged on one side of the upper surface of the shell, a rotatable movable plate is sleeved in the middle of each top plate, and a slot capable of penetrating through a wiring plate is formed in the left side of the top of the shell. This combination formula motor protector sets up through the cooperation between shell, switch cover, connecting plate, roof and the fly leaf, realizes the protection to protector major structure department to have the function of opening and shutting, improve the convenience of staff's operation, and the shell can be at the surface removal of ware shell, does not influence connecting cable, improves the practicality of device.

Description

Combined motor protector

Technical Field

The utility model relates to the technical field of motor equipment, in particular to a combined motor protector.

Background

The motor protector has the function of comprehensively protecting the motor, and is a device for alarming or protecting when overload, overcurrent, phase failure, locked rotor, short circuit, overvoltage, undervoltage, electric leakage, three-phase imbalance, overheat, bearing abrasion and stator and rotor eccentricity occur to the motor.

The utility model discloses a combined motor protector, which belongs to the technical field of motor equipment and comprises a motor protector body and a shell, wherein the shell is arranged in front of the motor protector body, the upper end face of the motor protector body is provided with a circular groove, the side walls on two sides of the motor protector body are fixedly connected with rectangular sliding blocks, the lower end face of the motor protector body is symmetrically provided with trapezoidal sliding blocks, the front end face of the shell is provided with a first placing cavity, the side walls on two sides of the first placing cavity are provided with rectangular grooves, the top of the first placing cavity is provided with a second placing cavity, the inside of the second placing cavity is provided with a first connecting cylinder, and the inside of the first connecting cylinder is provided with a second connecting cylinder.

In view of the above, a combined motor protector is provided, which realizes the protection of the main structure of the protector, and can clamp the cable, improve the stability of the cable after installation, and avoid influencing the efficiency of later installation in the installation process.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a combined motor protector, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a combination formula motor protector, but the surface joint of ware shell has the shell of fore-and-aft movement and the connecting plate of bottom and the last fixed surface installation of switch cover, the middle part fixed mounting of shell upper surface has adjustable connection structure, connection structure's one end threaded connection has detachable limiting plate, one side fixed mounting of shell upper surface has two roof, rotatable fly leaf has been cup jointed at the middle part of roof, the fluting that can run through the wiring board has been seted up in the left side at shell top.

Optionally, the connecting structure comprises an outer tube with the bottom fixedly installed with the middle of the upper surface of the shell, and the connecting rod can be inserted into the outer tube.

Optionally, the surface welding of connecting rod has the spacing ring that can connect reset spring, reset spring's one end can with the inside wall of outer tube, the one end of connecting rod can with limiting plate's middle part threaded connection.

Optionally, the middle part of fly leaf can closely laminate with the surface of connecting plate, and through mounting bolt connection, the screw thread groove with mounting bolt looks adaptation has all been seted up at the middle part of fly leaf and connecting plate.

Optionally, a limit bolt which can be in threaded connection with the side surface of the shell is installed on one side of the switch cover, so that the switch cover can be closed.

Optionally, the arc groove of the side ear board of the ware shell is all offered to the both sides of shell, but with the both sides joint and the slide of removal of ware shell are offered to the inside wall of shell, the inner wall of slide is provided with the friction pad, makes the shell can spacing after removing.

(III) beneficial effects

The utility model provides a combined motor protector, which has the following beneficial effects:

1. this combination formula motor protector sets up through the cooperation between shell, switch cover, connecting plate, roof and the fly leaf, realizes the protection to protector major structure department to have the function of opening and shutting, improve the convenience of staff's operation, and the shell can be at the surface removal of ware shell, does not influence connecting cable, improves the practicality of device.

2. This modular motor protector, through connection structure's setting, utilize to control connection structure, can adjust the position of limiting plate, carry out the centre gripping to the cable, perhaps lax, usable connection structure is to the cable location after the installation, improves the steadiness of cable installation, avoids pulling force too big in the installation to lead to droing, influences the installation effectiveness that later stage cable is connected.

Drawings

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

FIG. 2 is a schematic diagram of an explosion structure at a switch cover of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic view of an exploded structure of the connection structure of the present utility model.

In the figure: 1. a housing; 2. a housing; 3. opening and closing the cover; 4. a connecting plate; 5. a connection structure; 501. an outer tube; 502. a connecting rod; 503. a return spring; 504. a limiting ring; 6. a limiting plate; 7. a top plate; 8. a movable plate; 9. slotting; 10. installing a bolt; 11. and a limit bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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 and 2, a combined motor protector comprises a housing 2 which is clamped on the surface of a casing 1 and can move back and forth, a connecting plate 4 which is fixedly arranged on the bottom of the housing and the upper surface of a switch cover 3, a side ear plate used for positioning and mounting which is fixedly arranged on the side surface of the casing 1, a limit bolt which can be connected with a mounting surface and is connected with the surface of the side ear plate through threads,

referring to fig. 2, arc grooves on two sides of a shell 2 are formed, side ear plates on a shell 1 can penetrate through the arc grooves, a slide way is formed in the inner side wall of the shell 2, two sides of the shell 1 can be tightly attached to the inner wall of the slide way, the shell 1 is clamped, and friction pads are arranged on the inner wall of the slide way, so that the shell 2 can be limited after moving;

referring to fig. 1 and 4, a limit bolt 11 which can be in threaded connection with a side surface of the housing 2 is installed on one side of the switch cover 3, so that the switch cover 3 can be positioned after being closed, and a transparent plate is arranged in the middle of the switch cover 3, thereby facilitating the observation of the working state of the protector;

referring to fig. 2, an adjustable connection structure 5 is fixedly installed in the middle of the upper surface of a housing 2, one end of the connection structure 5 is in threaded connection with a detachable limiting plate 6, one side of the upper surface of the housing 2 is fixedly provided with two top plates 7, the middle of each top plate 7 is sleeved with a movable plate 8, the surfaces of the movable plates 8 and the connecting plates 4 can be tightly attached, a mounting bolt 10 sequentially penetrates through the movable plates 8 and the connecting plates 4 from top to bottom for threaded connection, and threaded grooves matched with the mounting bolts 10 are formed in the middle of each movable plate 8 and the middle of each connecting plate 4;

referring to fig. 1, a slot 9 is formed on the left side of the top of the housing 2 to penetrate through the wiring board, and the wiring board for connecting the cable above the device housing 1 can be connected with the wiring board through the slot 9 conveniently;

referring to fig. 3, an outer tube 501 is fixedly mounted in the middle of the upper surface of the housing 2, a connecting rod 502 is inserted into the outer tube 501, a limiting ring 504 is welded on the surface of the connecting rod 502, a return spring 503 can be connected to one side of the limiting ring 504, one end of the return spring 503 can be fixedly connected with one end of the inner side wall of the outer tube 501, one end of the connecting rod 502 can penetrate through the outer tube 501 and can be connected with the middle of one side of a limiting plate 6 in a threaded manner, when the cable is inspected in the later period, the connecting rod 502 can be pulled to separate the limiting plate 6 from the cable, the cable is inspected, and after the external force is removed, the limiting plate 6 can be automatically retracted and repositioned.

In the utility model, the working steps of the device are as follows:

1. first, the housing 2 is pulled forward, the housing 2 can move forward and backward on the surface of the housing 1, and the cable is mounted at the terminal block of the protector;

2. secondly, the shell 2 is pushed backwards, the limiting plate 6 arranged above the shell 2 can be tightly attached to the surface of the cable, and the connecting structure 5 has a backward pushing force, so that the cable can be extruded, and the stability is improved;

3. then, the opening and closing cover 3 is rotated, one side is attached to one side of the housing 2, and the opening and closing cover 3 and the housing 2 are connected by using the limit bolt 11;

4. finally, the operating state of the inner protector can be observed through the transparent plate in the middle of the switch cover 3. 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 of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combination formula motor protector, but surface joint including ware shell (1) has shell (2) and bottom and switch cover (3) upper surface fixed mounting's connecting plate (4), its characterized in that: the adjustable connecting structure is characterized in that an adjustable connecting structure (5) is fixedly arranged in the middle of the upper surface of the shell (2), one end of the connecting structure (5) is in threaded connection with a detachable limiting plate (6), two top plates (7) are fixedly arranged on one side of the upper surface of the shell (2), a rotatable movable plate (8) is sleeved in the middle of each top plate (7), and a slot (9) capable of penetrating through a wiring board is formed in the left side of the top of the shell (2).

2. A modular motor protector as set forth in claim 1 wherein: the connecting structure (5) comprises an outer tube (501) with the bottom fixedly installed with the middle of the upper surface of the shell (2), and a connecting rod (502) can be inserted into the outer tube (501).

3. A modular motor protector as set forth in claim 2 wherein: the surface welding of connecting rod (502) has spacing ring (504) that can connect reset spring (503), the inside wall of one end and outer tube (501) of reset spring (503), the middle part threaded connection of one end and limiting plate (6) of connecting rod (502).

4. A modular motor protector as set forth in claim 1 wherein: the middle part of fly leaf (8) can closely laminate with the surface of connecting plate (4), and is connected through mounting bolt (10), the screw thread groove with mounting bolt (10) looks adaptation has all been seted up at the middle part of fly leaf (8) and connecting plate (4).

5. A modular motor protector as set forth in claim 1 wherein: one side of the switch cover (3) is provided with a limit bolt (11) which can be connected with the side surface of the shell (2) in a threaded manner, so that the switch cover (3) can be closed.

6. A modular motor protector as set forth in claim 1 wherein: arc-shaped grooves penetrating through side ear plates of the device shell (1) are formed in two sides of the shell (2), sliding ways which can be clamped and moved with two sides of the device shell (1) are formed in the inner side wall of the shell (2), and friction pads are arranged on the inner walls of the sliding ways, so that the shell (2) can be limited after moving.