CN213600272U

CN213600272U - Torsion detection device for electric screwdriver

Info

Publication number: CN213600272U
Application number: CN202022717856.4U
Authority: CN
Inventors: 刘爱峰
Original assignee: Wuxi Xinkanghong Technology Co ltd
Current assignee: Wuxi Xinkanghong Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-02
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a torsion detection device for electric screwdriver, including base, box and support arm, the top fixed mounting of base has the workstation, and one side fixed connection of support arm has fixed pincers, and one side fixed mounting of fixed pincers has splint, and the bottom of splint is laminated each other has the screwdriver handle, and the bottom fixed connection of screwdriver handle has the screwdriver, and the inside top fixed mounting of splint has last cushion, and the inside bottom fixed mounting of splint has lower cushion, and the inside of workstation has been seted up and has been detected the chamber. Among the above-mentioned scheme, splint to the cooperation of spring has avoided current electric screwdriver when carrying out torsion detection, can not prescribe a limit to electric screwdriver's position for at the in-process that detects, electric screwdriver's position easily takes place the problem of skew, and splint distribute and carry out the prescribe a limit to its position around the screwdriver, and the concertina movement of spring makes the position of screwdriver can not take place the skew, has improved the degree of accuracy that detects.

Description

Torsion detection device for electric screwdriver

Technical Field

The utility model relates to an electric screwdriver technical field, more specifically say, the utility model relates to a torsion detection device for electric screwdriver.

Background

The electric screwdriver is mainly used for the assembly line and is one of the tools necessary for most production enterprises, the electric screwdriver can save a large amount of manpower and is suitable for the requirements of modern industry on automation, but the traditional manual screwdriver can judge whether the screw is screwed up according to the feeling, is an electric tool for screwing and unscrewing the screw, is mainly used for the assembly line and is one of the tools necessary for most production enterprises, the existing electric screwdriver does not have a torsion display function, and if the torsion is required to be known exactly, a special torsion tester is required to be used for testing; when the existing electric screwdriver is used for detecting the torsion, the position of the electric screwdriver cannot be limited, so that the position of the electric screwdriver is easy to deviate in the detection process, and the detection accuracy is reduced; in the process of torque detection of the conventional electric screwdriver, the pressure applied to the screwdriver is too high, so that the screwdriver is prone to fracture and has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, an embodiment of the present invention provides a torsion detection device for an electric screwdriver, so as to solve the problem that the position of the electric screwdriver cannot be limited when the torsion detection is performed on the electric screwdriver in the prior art, so that the position of the electric screwdriver is prone to shift during the detection process, thereby reducing the detection accuracy; in addition, in the process of torque detection of the conventional electric screwdriver, the screwdriver is subjected to too high pressure, so that the screwdriver is prone to fracture and has potential safety hazards.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a torsion detection device for electric screwdriver, includes base, box and support arm, the top fixed mounting of base has the workstation, the fixed pincers of one side fixedly connected with of support arm, one side fixed mounting of fixed pincers has splint, the bottom of splint is laminated each other has the screwdriver handle, the bottom fixedly connected with screwdriver of screwdriver handle, the inside top fixed mounting of splint has the cushion, the inside bottom fixed mounting of splint has cushion down, the inside of workstation has been seted up and has been detected the chamber, the inside fixed mounting of workstation has the display screen, the inside fixed mounting who detects the chamber has the torsion post, the inside fixed mounting who detects the chamber has the sensor, the top fixed mounting of torsion post has the pivot, the surperficial laminating pressure ring each other of pivot.

The number of the clamping plates is four, and the four clamping plates are respectively positioned on the periphery of the screwdriver handle.

And a telescopic column is fixedly arranged between the upper cushion block and the lower cushion block, and the surface of the telescopic column is mutually attached with a spring.

The upper end and the lower end of the spring are respectively fixedly connected to the upper cushion block and the lower cushion block, and the upper cushion block and the lower cushion block are rectangular.

The top end of the screwdriver is fixedly connected with a connecting block, and the top end of the connecting block is fixedly connected with an installation shaft.

The inner wall of the rotating shaft is provided with a movable cavity, and the inner wall of the pressure ring is attached to the surface of the screwdriver.

The inner wall of the pressure ring is rough, the surface of the screwdriver is provided with air holes, and the diameter value of each air hole ranges from one centimeter to three centimeters.

The screwdriver is characterized in that the number of the air holes is a plurality, and the air holes are uniformly distributed on the surface of the screwdriver.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the matching of the clamping plate and the spring avoids the problem that the position of the electric screwdriver cannot be limited when the conventional electric screwdriver is used for detecting the torsion, so that the position of the electric screwdriver is easy to deviate in the detection process, the clamping plates are distributed around the screwdriver to limit the position of the screwdriver, the position of the screwdriver cannot deviate due to the telescopic motion of the spring, and the detection accuracy is improved; in the scheme, the cooperation of the air holes to the pressure ring avoids the problem that the screwdriver is easy to break in the process of torsion detection of the conventional electric screwdriver, the problem that the screwdriver is prone to breaking is solved, the pressure ring measures the torsion borne by the bottom end of the screwdriver, the air holes in the surface of the screwdriver reduce the pressure borne by the screwdriver, the screwdriver is prevented from breaking, and potential safety hazards are reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic structural view of fig. 1 a according to the present invention;

FIG. 3 is a schematic structural view of the inspection platform of the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at the position B in fig. 3;

fig. 5 is a schematic view of the air hole structure of the present invention.

[ reference numerals ]

1. A base; 2. a box body; 3. a support arm; 4. a work table; 5. fixing the pliers; 6. a screwdriver handle; 7. a screwdriver; 8. a splint; 9. an upper cushion block; 10. a lower cushion block; 11. a telescopic column; 12. a spring; 13. a detection chamber; 14. a display screen; 15. a torsion column; 16. a rotating shaft; 17. a sensor; 18. connecting blocks; 19. installing a shaft; 20. a movable cavity; 21. a pressure ring; 22. and (4) air holes.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a torsion detection device for an electric screwdriver as shown in the attached drawings 1-5, which comprises a base 1, a box body 2 and a supporting arm 3, wherein the top end of the base 1 is fixedly provided with a workbench 4, one side of the supporting arm 3 is fixedly connected with a fixed clamp 5, one side of the fixed clamp 5 is fixedly provided with a clamp plate 8, the bottom ends of the clamp plates 8 are mutually jointed with a screwdriver handle 6, the bottom end of the screwdriver handle 6 is fixedly connected with a screwdriver 7, the inner top end of the clamp plate 8 is fixedly provided with an upper cushion block 9, the inner bottom end of the clamp plate 8 is fixedly provided with a lower cushion block 10, the inner part of the workbench 4 is provided with a detection cavity 13, the inner part of the workbench 4 is fixedly provided with a display screen 14, the inner part of the detection cavity 13 is fixedly provided with a torsion column 15, the inner part, a rotating shaft 16 is fixedly arranged at the top end of the torque column 15, pressure rings 21 are mutually attached to the surfaces of the rotating shaft 16, the number of the clamping plates 8 is four, the four clamping plates 8 are respectively positioned at the periphery of the screwdriver handle 6, the upper end and the lower end of the spring 12 are respectively fixedly connected with the upper cushion block 9 and the lower cushion block 10, the upper cushion block 9 and the lower cushion block 10 are rectangular, the top end of the screwdriver 7 is fixedly connected with a connecting block 18, the top end of the connecting block 18 is fixedly connected with a mounting shaft 19, the inner wall of the rotating shaft 16 is provided with a movable cavity 20, the inner wall of the pressure ring 21 is mutually attached to the surface of the screwdriver 7, the inner wall of the pressure ring 21 is rough, the surface of the screwdriver 7 is provided with an air hole 22, the diameter value of the air hole 22 ranges from one centimeter to three centimeters, the number of the air holes 22 is several, and the several air holes 22 are uniformly distributed on the surface of the screwdriver 7.

As shown in fig. 2, a telescopic column 11 is fixedly installed between the upper pad 9 and the lower pad 10, and a spring 12 is attached to the surface of the telescopic column 11.

Specifically, in the process of detecting the torsion, the clamping plates 8 are distributed around the screwdriver 7 to limit the position of the screwdriver, and the spring 12 drives the telescopic column 11 to perform telescopic motion between the upper cushion block 9 and the lower cushion block 10, so that the position of the screwdriver 7 cannot deviate.

The working process of the utility model is as follows:

the cooperation of splint 8 to spring 12, at the in-process that carries out the torsion and detect, splint 8 distributes and carries out the injecing of position to it all around screwdriver 7, spring 12 drives flexible post 11 and carries out concertina movement between last cushion 9 and lower cushion 10, make screwdriver 7's position can not take place to squint, pivot 16 drives screwdriver 7 and rotates, detect the torsion that the pressure ring 21 of 13 inside in chamber was born the screwdriver 7 bottom and measure, sensor 17 receives the signal after, show torsion numerical value on display screen 14, the gas pocket 22 on screwdriver 7 surface has reduced the pressure that screwdriver 7 bore this moment, avoided screwdriver 7 to take place the fracture, the stability of testing process has been guaranteed.

According to the scheme, the matching of the clamping plate 8 and the spring 12 avoids the problem that the position of the electric screwdriver cannot be limited when the conventional electric screwdriver is used for detecting the torsion, so that the position of the electric screwdriver is easy to deviate in the detection process, the clamping plate 8 is distributed around the screwdriver 7 to limit the position of the screwdriver, the position of the screwdriver 7 cannot deviate due to the telescopic motion of the spring 12, and the detection accuracy is improved; the cooperation of the air hole 22 and the pressure ring 21 avoids the problem that the screwdriver is prone to fracture due to overhigh pressure applied to the screwdriver in the torsion detection process of the conventional electric screwdriver, the pressure ring 21 measures the torsion applied to the bottom end of the screwdriver 7, and the air hole 22 in the surface of the screwdriver 7 reduces the pressure applied to the screwdriver 7, avoids the screwdriver 7 from fracturing, and reduces potential safety hazards.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The torsion detection device for the electric screwdriver comprises a base (1), a box body (2) and a supporting arm (3), and is characterized in that a workbench (4) is fixedly mounted at the top end of the base (1), one side of the supporting arm (3) is fixedly connected with a fixed clamp (5), one side of the fixed clamp (5) is fixedly mounted with a clamping plate (8), the bottom ends of the clamping plate (8) are mutually attached with a screwdriver handle (6), the bottom end of the screwdriver handle (6) is fixedly connected with a screwdriver (7), the inner top end of the clamping plate (8) is fixedly mounted with an upper cushion block (9), the inner bottom end of the clamping plate (8) is fixedly mounted with a lower cushion block (10), a detection cavity (13) is formed in the workbench (4), a display screen (14) is fixedly mounted in the workbench (4), and a torsion column (15) is fixedly mounted in the detection cavity (13), the sensor (17) is fixedly installed in the detection cavity (13), the rotating shaft (16) is fixedly installed at the top end of the torsion column (15), and pressure rings (21) are attached to the surface of the rotating shaft (16) mutually.

2. The torsion detecting device for the electric screwdriver according to claim 1, wherein the number of the clamping plates (8) is four, and the four clamping plates (8) are respectively arranged around the screwdriver handle (6).

3. The torsion detecting device for the electric screwdriver according to claim 1, wherein a telescopic column (11) is fixedly installed between the upper cushion block (9) and the lower cushion block (10), and a spring (12) is attached to the surface of the telescopic column (11).

4. The torsion detecting device for the electric screwdriver according to claim 3, wherein the upper end and the lower end of the spring (12) are fixedly connected to the upper pad (9) and the lower pad (10), respectively, and the upper pad (9) and the lower pad (10) are rectangular in shape.

5. The torsion detecting apparatus for the electric screwdriver according to claim 1, wherein a connection block (18) is fixedly connected to a top end of the screwdriver (7), and a mounting shaft (19) is fixedly connected to a top end of the connection block (18).

6. The torsion detecting device for the electric screwdriver according to claim 1, wherein the inner wall of the rotating shaft (16) is provided with a movable cavity (20), and the inner wall of the pressure ring (21) is attached to the surface of the screwdriver (7).

7. The torsion detecting device for the electric screwdriver according to claim 1, wherein the inner wall of the pressure ring (21) is rough, the surface of the screwdriver (7) is provided with air holes (22), and the diameter of the air holes (22) ranges from one centimeter to three centimeters.

8. The torsion detecting apparatus for the electric screwdriver according to claim 7, wherein the number of the air holes (22) is several, and the air holes (22) are uniformly distributed on the surface of the screwdriver (7).