CN220029312U - Reliable device for nut installation - Google Patents

Abstract

The utility model discloses a reliable nut installation device, wherein a screw cavity, a nut cavity and a spring flat pad cavity are sequentially formed in the inner wall of a hollow body from bottom to top, and the inner diameters of the screw cavity, the nut cavity and the spring flat pad cavity are from small to large to form two groups of step surface structures; the surface of the step surface at the bottom is connected with a first spring and a nut supporting plate; the upper part of the inner wall of the spring flat cushion cavity is provided with a plurality of flat cushion limiting blocks which are matched with a triggering device connected with the outside of the body; the outer surface of the body is connected with a binding hole. The device has solved prior art can't be simultaneously through reliable fixed bullet flat pad, nut and the screw rod of people's hand when the equipment screw rod in narrow and small space, and work degree of difficulty is big when leading to the nut, causes the problem that individual article drops easily, has can install bullet flat pad and nut when effectual under the inconvenient condition of operation such as the position ratio narrow and small or screw rod down that the screw rod is located to can effectually to the characteristics that drop of individual article of control have been reduced in the work degree of difficulty in the special workplace.

Description

Reliable device for nut installation

Technical Field

The utility model belongs to the technical field of nut installation, and particularly relates to a reliable nut installation device.

Background

In equipment installation and maintenance projects, nut assembly is the most basic work, but in some special structural places such as transformers, generators and the like, the screw is positioned in a relatively narrow position or downward, even in places where operators cannot directly see the screw by naked eyes, under the condition, a spring flat pad and a nut are simultaneously installed, and firstly, three articles cannot be reliably fixed by hands; secondly, the working difficulty is high when the nut is installed, and individual objects are easy to fall off. Therefore, there is a need to design a reliable nut installation device to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a reliable nut installation device, which solves the problems that in the prior art, when a screw rod is assembled in a narrow space, a spring flat pad, the nut and the screw rod cannot be reliably fixed by hands, so that the nut is difficult to work and individual objects are easy to drop off.

In order to solve the technical problems, the utility model adopts the following technical scheme: the nut installation reliable device comprises a hollow body with a cylindrical structure, wherein a screw cavity, a nut cavity and a spring flat pad cavity are sequentially formed in the inner wall of the body from bottom to top, the nut cavity is of a hexagonal cylinder structure, and the screw cavity and the spring flat pad cavity are of a cylindrical structure; the inner diameters of the screw cavity, the nut cavity and the spring flat cushion cavity are from small to large, so that two groups of step surface structures are formed; the surface of the step surface at the bottom is connected with a first spring, and the top end of the first spring is connected with a nut supporting plate; the upper part of the inner wall of the spring flat cushion cavity is provided with a plurality of flat cushion limiting blocks which are matched with a triggering device connected with the outside of the body; the outer surface of the body is connected with a binding hole.

Preferably, the surface of the nut supporting plate is provided with a through round hole, and the diameter of the round hole is the same as the inner diameter of the screw cavity; when in use, the screw rod can extend into the round hole.

Preferably, the trigger device is in sliding connection with a trigger device sliding groove formed in the outer surface of the body, and the trigger device is provided with two position indication of extension and retraction.

Further, limiting clamping grooves are formed in two sides of the inner wall of the sliding groove of the triggering device, and corresponding clamping blocks are arranged on two sides of the triggering device and clamped with the limiting clamping grooves and used for fixing the extending position and the retracting position.

Preferably, a traction end sliding cavity is formed on the outer surface of the body at the inner side of the sliding groove of the triggering device, the inner wall of the traction end sliding cavity is connected with a traction end in a sliding manner, and one side of the traction end is connected with the triggering device.

Preferably, a pipeline-shaped traction rope cavity is formed in the top of the traction end sliding cavity, a traction rope penetrates through the traction rope cavity, one end of the traction rope is connected with the traction end, and the other end of the traction rope is connected with the flat pad limiting block.

Preferably, the flat pad limiting block is in sliding connection with a flat pad limiting block telescopic cavity formed in the inner wall of the spring flat pad cavity, one side of the flat pad limiting block, facing the spring flat pad cavity, is of an inclined surface structure, and one side of the flat pad limiting block, facing the flat pad limiting block telescopic cavity, is connected with the inner wall of the flat pad limiting block telescopic cavity through a second spring.

Further, the upper part of the flat pad limiting block is provided with a step structure which is clamped and limited with the step structure with the corresponding shape arranged on the upper part of the inner wall of the telescopic cavity of the flat pad limiting block, so that the flat pad limiting block is prevented from being completely separated from the telescopic cavity of the flat pad limiting block.

The reliable nut installation device has the following beneficial effects:

according to the utility model, under the condition that the screw is located in a relatively narrow position or the screw is downward and the like and inconvenient to operate, the elastic flat pad and the nut can be effectively installed at the same time, so that the working difficulty in a special workplace is reduced, and the falling of individual objects can be effectively controlled. The device can manufacture a nut installation reliable device with corresponding specification according to the specification of the nut and the spring flat pad, is convenient for sleeving the bolt, can avoid the loss of individual parts in the operation in a special environment, reduces the working difficulty and increases the working efficiency.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic cross-sectional view of an internal structure of the present utility model;

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

FIG. 3 is a schematic front view of the trigger device of the present utility model;

FIG. 4 is a schematic cross-sectional view of the trigger device of the present utility model mated with a flat pad stopper;

in the figure: the device comprises a body 1, a screw cavity 2, a nut supporting plate 3, a first spring 4, a nut cavity 5, a spring flat cushion cavity 6, a flat cushion limiting block 7, a trigger device 8, a binding hole 9, a flat cushion limiting block telescopic cavity 10, a second spring 11, a traction rope 12, a traction rope cavity 13, a traction end 14, a traction end sliding cavity 15 and a trigger device sliding groove 16.

Detailed Description

As shown in fig. 1-4, a reliable nut installation device comprises a hollow body 1 with a cylindrical structure, wherein a screw cavity 2, a nut cavity 5 and a spring flat pad cavity 6 are sequentially formed in the inner wall of the body 1 from bottom to top, the nut cavity 5 is of a hexagonal cylinder structure, and the screw cavity 2 and the spring flat pad cavity 6 are of a cylindrical structure; the inner diameters of the screw cavity 2, the nut cavity 5 and the spring flat cushion cavity 6 are from small to large, so that two groups of step surface structures are formed; the surface of the step surface at the bottom is connected with a first spring 4, and the top end of the first spring 4 is connected with a nut supporting plate 3; a plurality of flat pad limiting blocks 7 are arranged on the upper part of the inner wall of the spring flat pad cavity 6, and the flat pad limiting blocks 7 are matched with a triggering device 8 connected with the outside of the body 1; the outer surface of the body 1 is connected with a binding hole 9.

Preferably, the surface of the nut supporting plate 3 is provided with a through round hole, and the diameter of the round hole is the same as the inner diameter of the screw cavity 2; when in use, the screw rod can extend into the round hole.

Preferably, the trigger 8 is slidably coupled to a trigger slide slot 16 formed in the outer surface of the body 1, with two positions of extension and retraction.

Further, two sides of the inner wall of the sliding groove 16 of the triggering device are provided with limiting clamping grooves, and two sides of the triggering device 8 are provided with corresponding clamping blocks which are clamped with the limiting clamping grooves and used for fixing the extending position and the retracting position.

Preferably, a traction end sliding cavity 15 is formed on the outer surface of the body 1 at the inner side of the sliding groove 16 of the triggering device, the inner wall of the traction end sliding cavity 15 is slidably connected with a traction end 14, and one side of the traction end 14 is connected with the triggering device 8.

Preferably, a pipe-shaped traction rope cavity 13 is formed at the top of the traction end sliding cavity 15, a traction rope 12 penetrates through the traction rope cavity 13, one end of the traction rope 12 is connected with the traction end 14, and the other end of the traction rope 12 is connected with the flat pad limiting block 7.

Preferably, the flat pad limiting block 7 is in sliding connection with the flat pad limiting block telescopic cavity 10 formed in the inner wall of the spring flat pad cavity 6, one side of the flat pad limiting block 7 facing the spring flat pad cavity 6 is of an inclined surface structure, and one side of the flat pad limiting block 7 facing the flat pad limiting block telescopic cavity 10 is connected with the inner wall of the flat pad limiting block telescopic cavity 10 through the second spring 11.

Further, the upper part of the flat pad limiting block 7 is provided with a step structure which is clamped and limited with the step structure with a corresponding shape arranged on the upper part of the inner wall of the flat pad limiting block telescopic cavity 10, so that the flat pad limiting block 7 is prevented from being completely separated from the flat pad limiting block telescopic cavity 10.

The working principle of the nut installation reliable device is as follows:

during the use, the adjustment trigger device 8 moves to the retracted position in trigger device sliding tray 16, drive trigger device 8 traction end 14 and slide downwards in traction end sliding chamber 15, thereby drive four haulage ropes 12 and move in haulage rope chamber 13, four flat pad stopper 7 compression springs under the effect of haulage rope 12, and then retract flat pad stopper flexible chamber 10, put the nut into nut chamber 5 afterwards, the flat pad is put into flat pad chamber 6 according to prescribed order, flat pad is higher than flat pad stopper 7 this moment, press flat pad hard, pass through compression spring to flat pad and be less than flat pad stopper 7, trigger device 8 moves to the extension position in trigger device 8 sliding chamber, trigger device 8 traction end 14 upwards slides in traction end sliding chamber 15, four flat pad stopper 7 are under the elasticity effect through the spring after losing haulage rope 12 pulling force, make four flat pad stopper 7 stretch out flat pad chamber 6, flat pad stopper 7 card is in the device this moment, so whole nut and flat pad are put into the device by flat pad stopper 7 card, flat pad is fixed through spring backup pad 3 and flat pad, install flat pad 7 at the position is good, the nut is fixed to the flat pad through the flat pad, the nut is fixed to the flat pad is fixed to the nut is fixed to the position through the flat pad, the nut is fixed to the flat pad is easy to the nut is installed to the flat pad, the nut is fixed to the nut is easy to be opened, the flat pad is adjusted, the nut is easy to be opened and the nut is fixed to be opened and the nut is easy to be opened.

The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (6)

1. The utility model provides a reliable device of nut installation which characterized in that: the nut comprises a hollow body (1) with a cylindrical structure, wherein a screw cavity (2), a nut cavity (5) and a spring flat cushion cavity (6) are sequentially formed in the inner wall of the body (1) from bottom to top, the nut cavity (5) is of a hexagonal cylinder structure, and the screw cavity (2) and the spring flat cushion cavity (6) are of cylindrical structures; the inner diameters of the screw cavity (2), the nut cavity (5) and the spring flat cushion cavity (6) are from small to large, so that two groups of step surface structures are formed; the surface of the step surface at the bottom is connected with a first spring (4), and the top end of the first spring (4) is connected with a nut supporting plate (3); a plurality of flat pad limiting blocks (7) are arranged on the upper part of the inner wall of the elastic flat pad cavity (6), and the flat pad limiting blocks (7) are matched with a triggering device (8) connected with the outside of the body (1); the outer surface of the body (1) is connected with a binding hole (9).

2. A nut installation reliability device as defined in claim 1, wherein: the surface of the nut supporting plate (3) is provided with a through round hole, and the diameter of the round hole is the same as the inner diameter of the screw cavity (2).

3. A nut installation reliability device as defined in claim 1, wherein: the trigger device (8) is in sliding connection with a trigger device sliding groove (16) formed on the outer surface of the body (1), and two positions of extension and retraction are indicated.

4. A nut installation reliability device as defined in claim 3, wherein: the inner side of the triggering device sliding groove (16) is provided with a traction end sliding cavity (15) on the outer surface of the body (1), the inner wall of the traction end sliding cavity (15) is connected with a traction end (14) in a sliding manner, and one side of the traction end (14) is connected with the triggering device (8).

5. A nut installation reliability device as defined in claim 4, wherein: the traction end sliding cavity (15) is provided with a pipeline-shaped traction rope cavity (13), a traction rope (12) penetrates through the traction rope cavity (13), one end of the traction rope (12) is connected with the traction end (14), and the other end of the traction rope is connected with the flat pad limiting block (7).

6. A nut installation reliability device as defined in claim 1, wherein: the flat pad limiting block (7) is connected with the flat pad limiting block telescopic cavity (10) formed in the inner wall of the spring flat pad cavity (6) in a sliding mode, one side, facing the spring flat pad cavity (6), of the flat pad limiting block (7) is of an inclined surface structure, and one side, facing the flat pad limiting block telescopic cavity (10), of the flat pad limiting block (7) is connected with the inner wall of the flat pad limiting block telescopic cavity (10) through a second spring (11).