CN218984626U

CN218984626U - Driving mechanism for brushless spanner

Info

Publication number: CN218984626U
Application number: CN202223381873.0U
Authority: CN
Inventors: 徐雅良; 徐超; 李平友; 陆斐雄
Original assignee: Braith Technology Suzhou Co ltd
Current assignee: Braith Technology Suzhou Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-09
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a brushless spanner transmission mechanism, which comprises a brushless spanner body, wherein the front end of the brushless spanner body is connected with a transmission shaft, one end of the transmission shaft far away from the brushless spanner body is fixedly connected with a spanner sleeve, an inner cavity is formed in the transmission shaft, an adjusting component capable of adjusting the internal space of the brushless spanner is connected in the inner cavity and comprises a pull rod, the top end of the pull rod is rotationally connected with the top end of the inner cavity, the top end of the pull rod extends to the inside of the spanner sleeve and is fixedly connected with a turntable, and the transmission mechanism has the advantages that compared with the prior art, the transmission mechanism has the technical field of spanner structures, the transmission mechanism has the advantages that the rotation of the pull rod is driven by rotation of a rotating ring, so that the turntable is driven to rotate, a rectangular frame is driven to transversely move by a driving groove in the turntable, a fixing plate is driven to move on the inner wall of the chute, and the space between the two fixing plates is adjusted according to nuts.

Description

Driving mechanism for brushless spanner

Technical Field

The utility model relates to the technical field of wrench structures, in particular to a brushless wrench transmission mechanism.

Background

The wrench is an electric tool for tightening and loosening bolts and nuts, and is a tool for tightening high-strength bolts, and the brushless electric wrench controls the phase change, the speed reduction and the speed regulation of the electric wrench by a digital circuit. The brushless electric wrench does not use the mechanical carbon brush phase changer any more, and the problem that the service life of the brush electric wrench cannot be exceeded is solved. In theory, the service life of the brushless electric wrench can reach 20 years, which is the data which cannot be obtained by the brush electric wrench. The brushless electric wrench does not use a gear reducer any more, so that efficiency loss in gear transmission is avoided, the efficiency can reach 80-85%, and noise is greatly reduced.

The process of tightening and loosening the nut by using the sleeve at the front end of the brushless electric wrench is to finally drive the sleeve at the front end of the brushless electric wrench to rotate through the output shaft of the internal motor, the speed reducer and other structures by outputting through the transmission structure, so that the nut is screwed or unscrewed, but the nuts are different in size and have various sizes, so that the sleeve of the brushless electric wrench needs to be replaced when the nuts with different sizes are screwed, the workload is increased, and the working strength is also improved.

To this end we propose a brushless wrench drive.

Disclosure of Invention

The present utility model has been made in view of the above and/or problems occurring in the prior art of a brushless wrench transmission mechanism.

Therefore, the inner cavity and the inner wall of the wrench socket are connected with the adjusting component, the pull rod is driven to rotate by rotating the rotating ring, so that the turntable is driven to rotate, the rectangular frame is driven to transversely move by the driving groove in the turntable, the fixing plates are driven to move on the inner wall of the chute, and the distance between the two fixing plates is adjusted according to the nuts, so that the problem that the socket needs to be replaced when nuts with different sizes are operated in the background technology is solved.

The utility model provides a brushless spanner drive mechanism, includes the brushless spanner body, the front end of brushless spanner body is connected with the transmission shaft, the one end fixedly connected with spanner socket of brushless spanner body is kept away from to the transmission shaft, the inner chamber has been seted up to the transmission shaft inside, spanner telescopic inside and inner chamber are connected with the adjusting part that can adjust the inside interval of brushless spanner.

As a preferred scheme of the brushless spanner transmission mechanism, the adjusting assembly comprises a pull rod, the top end of the pull rod is rotatably connected with the top end of the inner cavity, and the top end of the pull rod extends into the spanner sleeve and is fixedly connected with the turntable.

As a preferable scheme of the brushless spanner transmission mechanism, the inside of the turntable is provided with two groups of through driving grooves, and the inner wall of each driving groove is connected with a rectangular frame in a sliding manner.

As a preferable scheme of the brushless spanner transmission mechanism, one end of the rectangular frame far away from the driving groove is fixedly connected with a fixing plate, sliding grooves are formed in the inner walls of two sides of the spanner sleeve, and the left end surface of the fixing plate is in sliding connection with the inner walls of the sliding grooves.

As a preferable scheme of the brushless spanner transmission mechanism, two sides of the upper surface of the transmission shaft are fixedly connected with fixed blocks, a through limiting hole is formed in the fixed block, and the bottom end of the rectangular frame penetrates through the limiting hole.

As a preferable scheme of the brushless spanner transmission mechanism, an annular groove is formed in the outer surface of the transmission shaft, a penetrating arc-shaped groove is formed in the inner wall of the annular groove, and a rotating ring is connected to the surface of the annular groove in a rotating mode.

As a preferable scheme of the brushless spanner transmission mechanism, the pull rod is L-shaped, the bottom end of the pull rod penetrates through the arc-shaped groove to be fixedly connected with the rotating ring, and the surface of the rotating ring is connected with the fixing component.

As a preferable scheme of the brushless spanner transmission mechanism, the fixing assembly comprises a threaded rod, a threaded sleeve is arranged in the rotating ring, the threaded rod is connected with the inner wall of the threaded sleeve in a threaded mode, insertion holes capable of being inserted by the threaded rod are formed in the surface of the transmission shaft, and a plurality of insertion holes are formed.

Compared with the prior art, the method has the advantages that: through setting up adjusting part, utilize the swivel becket to rotate and drive the pull rod and rotate to drive the carousel and rotate, drive rectangular frame lateral shifting through the inside drive slot of carousel, thereby drive the fixed plate and remove at the spout inner wall, and then adjust the interval between two fixed plates according to the nut.

Drawings

FIG. 1 is a schematic diagram of a brushless wrench drive mechanism;

FIG. 2 is a top view of a brushless wrench drive mechanism;

FIG. 3 is a top cross-sectional view of a brushless spanner drive mechanism;

fig. 4 is a schematic diagram of a brushless wrench transmission mechanism.

In the figure: the brushless wrench body 1, the wrench socket 2, the transmission shaft 3, the inner cavity 31, the arc-shaped groove 32, the annular groove 33, the insertion hole 41, the threaded socket 42, the threaded rod 43, the turntable 51, the driving groove 52, the sliding groove 53, the fixing plate 54, the rectangular frame 55, the fixing block 56, the limiting hole 57, the rotating ring 58 and the pull rod 59.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a brushless spanner transmission mechanism, which is shown in figures 1, 2, 3 and 4, and comprises a brushless spanner body 1, wherein the front end of the brushless spanner body 1 is connected with a transmission shaft 3, one end of the transmission shaft 3 far away from the brushless spanner body 1 is fixedly connected with a spanner sleeve 2, an inner cavity 31 is formed in the transmission shaft 3, an adjusting component capable of adjusting the inner space of the brushless spanner is connected with the inner space of the spanner sleeve 2, the transmission shaft 3 is connected with a motor output shaft in the brushless spanner body 1 and can transmit the power of a motor, the spanner sleeve 2 is used for fixing and detaching nuts, the adjusting component is used for adjusting the inner space of the spanner sleeve 2, and the device can be suitable for nuts with various sizes without replacing the sleeve.

The adjusting component comprises a pull rod 59, the top end of the pull rod 59 is rotationally connected with the top end of the inner cavity 31, the top end of the pull rod 59 extends to the inside of the wrench socket 2 and is fixedly connected with a rotary table 51, a penetrating driving groove 52 is formed in the rotary table 51, two groups of driving grooves 52 are arranged in the driving groove 52, a rectangular frame 55 is slidably connected to the inner wall of the driving groove 52, one end, far away from the driving groove 52, of the rectangular frame 55 is fixedly connected with a fixing plate 54, sliding grooves 53 are formed in the inner walls of two sides of the wrench socket 2, the left end surface of the fixing plate 54 is slidably connected with the inner walls of the sliding grooves 53, two sides of the upper surface of the transmission shaft 3 are fixedly connected with fixing blocks 56, penetrating limiting holes 57 are formed in the inner portions of the fixing blocks 56, the bottom ends of the rectangular frame 55 penetrate through the limiting holes 57, the rotary table 59 is connected with the rotary table 51 and is used for driving the rotary table 51 to rotate, the rotary table 51 can drive the driving groove 52 to rotate, the rectangular frame 55 is driven to move through the driving groove 52, the fixing plate 54 slides on the inner walls of the sliding grooves 53, and accordingly the distance between the two fixing plates 54 is adjusted, the device is suitable for nuts with different sizes.

The outer surface of the transmission shaft 3 is provided with an annular groove 33, the inner wall of the annular groove 33 is provided with a penetrating arc groove 32, the surface of the annular groove 33 is rotationally connected with a rotating ring 58, the pulling rod 59 is L-shaped, the bottom end of the pulling rod 59 penetrates through the arc groove 32 and is fixedly connected with the rotating ring 58, the surface of the rotating ring 58 is connected with a fixing component, the fixing component comprises a threaded rod 43, a threaded sleeve 42 is arranged in the rotating ring 58, the inner wall of the threaded sleeve 42 is in threaded connection with the threaded rod 43, the surface of the transmission shaft 3 is provided with a jack 41 into which the threaded rod 43 can be inserted, the jack 41 is provided with a plurality of, the annular groove 33 is used for enabling the rotating ring 58 to rotate, the pulling rod 59 can be driven to rotate through the arc groove 32, therefore, the distance between the fixing plates 54 can be adjusted through the turntable 51, the front end of the threaded rod 43 is inserted into the jack 41, the rotating ring 58 can be fixed, and the distance between the two fixing plates 54 can be fixed.

Working principle: when the wrench is specifically used, firstly, the distance between the two fixing plates 54 is adjusted to be the maximum, the wrench socket 2 is sleeved on the outer side of the socket to be twisted, the rotating ring 58 is rotated, the rotating ring 58 drives the pull rod 59 to slide on the surface of the arc-shaped groove 32, the top end of the pull rod 59 drives the rotary table 51 to rotate, the rotary table 51 rotates to drive the driving groove 52 to rotate, so that the driving groove 52 drives the rectangular frame 55 to move, and the rectangular frame 55 only can transversely move due to the limiting of the limiting holes 57 to the rectangular frame 55, so that the fixing plates 54 are driven to move on the inner wall of the sliding groove 53, and then the distance between the two fixing plates 54 is adjusted according to the nuts.

The threaded rod 43 is rotated, and the threaded rod 43 is in threaded connection with the threaded sleeve 42, so that the front end of the threaded rod 43 is inserted into the insertion hole 41, thereby fixing the rotating ring 58, and further fixing the space between the two fixing plates 54.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a brushless spanner drive mechanism, includes brushless spanner body (1), its characterized in that, the front end of brushless spanner body (1) is connected with transmission shaft (3), the one end fixedly connected with spanner sleeve (2) of brushless spanner body (1) are kept away from to transmission shaft (3), inner chamber (31) have been seted up to transmission shaft (3) inside, the inside of spanner sleeve (2) and inner chamber (31) are connected with the adjusting part that can adjust brushless spanner inside interval.

2. A transmission mechanism for a brushless wrench according to claim 1, wherein the adjusting assembly comprises a pull rod (59), the top end of the pull rod (59) is rotatably connected with the top end of the inner cavity (31), and the top end of the pull rod (59) extends into the wrench socket (2) and is fixedly connected with a turntable (51).

3. The transmission mechanism of a brushless wrench according to claim 2, wherein a through driving groove (52) is formed in the turntable (51), two groups of driving grooves (52) are formed, and a rectangular frame (55) is slidably connected to an inner wall of the driving groove (52).

4. A transmission mechanism for a brushless wrench according to claim 3, wherein one end of the rectangular frame (55) away from the driving groove (52) is fixedly connected with a fixing plate (54), sliding grooves (53) are formed in inner walls of two sides of the wrench socket (2), and a left end surface of the fixing plate (54) is slidably connected with inner walls of the sliding grooves (53).

5. The transmission mechanism of the brushless wrench as claimed in claim 4, wherein two sides of the upper surface of the transmission shaft (3) are fixedly connected with fixing blocks (56), a through limiting hole (57) is formed in the fixing blocks (56), and the bottom end of the rectangular frame (55) penetrates through the limiting hole (57).

6. The transmission mechanism of a brushless wrench according to claim 5, wherein an annular groove (33) is provided on an outer surface of the transmission shaft (3), a through arc-shaped groove (32) is provided on an inner wall of the annular groove (33), and a rotating ring (58) is rotatably connected to a surface of the annular groove (33).

7. The transmission mechanism of a brushless wrench according to claim 6, wherein the pull rod (59) is L-shaped, the bottom end of the pull rod (59) is fixedly connected with the rotating ring (58) through the arc-shaped groove (32), and a fixing component is connected to the surface of the rotating ring (58).

8. The transmission mechanism of claim 7, wherein the fixing assembly comprises a threaded rod (43), a threaded sleeve (42) is arranged in the rotating ring (58), the threaded rod (43) is connected with the inner wall of the threaded sleeve (42) in a threaded manner, a jack (41) into which the threaded rod (43) can be inserted is formed in the surface of the transmission shaft (3), and a plurality of jacks (41) are formed.