CN221290940U - Clamping direction adjusting assembly - Google Patents

Abstract

The utility model provides a clamping direction adjusting assembly which comprises an installation seat, a rotating piece, a first rotating shaft and a locking assembly, wherein the rotating piece is horizontally rotatably installed on the installation seat, a first installation hole is formed in the rotating piece, the first rotating shaft is installed in the first installation hole, the rotating block can horizontally rotate around the first rotating shaft, and the locking assembly is connected with the rotating piece in a matched mode and used for limiting the rotating piece to rotate. Through installing the holder on the centre gripping direction adjustment subassembly, just the rotation piece is in the level rotation on the mount pad, adjustable the centre gripping direction of holder, works as the rotation piece rotates to suitable direction, accessible locking subassembly restriction the continuation rotation of rotation piece to keep rotating the piece towards at certain direction, and the holder is connected on rotating the piece, can effectively adjust the centre gripping direction of holder.

Description

Clamping direction adjusting assembly

Technical Field

The utility model relates to the technical field of workpiece clamping, in particular to a clamping direction adjusting assembly.

Background

When carrying out the centre gripping to the work piece, because the difference of the shape of work piece, or the work piece exists the condition of breach, then need adjust the centre gripping direction to guarantee the effective centre gripping to the work piece, among the prior art, the adjustment of centre gripping direction can not be carried out to the holder, leads to appearing the unstable phenomenon of centre gripping easily, can not satisfy the firm demand of centre gripping.

Disclosure of utility model

The present utility model solves one of the problems of the prior art to a certain extent, and therefore, an object of the present utility model is to provide a clamping direction adjusting assembly capable of effectively adjusting the clamping direction of the clamping member.

The above object is achieved by the following technical scheme:

The clamping direction adjusting assembly comprises a mounting seat, a rotating piece, a first rotating shaft and a locking assembly, wherein the rotating piece can be horizontally and rotatably mounted on the mounting seat, a first mounting hole is formed in the rotating piece, the first rotating shaft is mounted in the first mounting hole, the rotating block can horizontally rotate around the first rotating shaft, and the locking assembly is connected with the rotating piece in a matched mode and used for limiting the rotating piece to rotate.

As a further improvement of the present utility model, the rotating member includes a first lock arm and a second lock arm, an opening gap is formed between the first lock arm and the second lock arm, and the opening gap communicates with the first mounting hole.

As a further improvement of the present utility model, the locking assembly includes a first locking screw, a first locking hole is provided on the first locking arm, a second locking hole is provided on the second locking arm, and the first locking screw passes through the first locking hole and the second locking hole to lock the first locking arm and the second locking arm on the first rotating shaft, so as to limit the rotation of the rotating member.

As a further improvement of the present utility model, the locking device comprises a nut, wherein when the first locking screw passes through the first locking hole and the second locking hole, the first locking arm and the second locking arm are locked on the first rotating shaft through the connection cooperation of the nut and the first locking screw.

As a further improvement of the utility model, three first lock holes are arranged on the first lock arm, and the first lock holes are uniformly arranged at intervals along the vertical direction; the second lock arm is provided with three second lock holes, and the setting positions of the second lock holes are matched with the first lock holes.

As a further improvement of the utility model, the locking component comprises a buckle arranged on the rotating piece, a clamping groove is arranged on the mounting seat, and the rotation of the rotating piece in the horizontal direction is limited by buckling the buckle and the clamping groove.

As a further improvement of the utility model, the first mounting shaft is arranged to extend upward from the mounting base.

As a further development of the utility model, the opening gap is 3-8mm.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. The utility model provides a clamping direction adjusting assembly, which is characterized in that a clamping part is arranged on the clamping direction adjusting assembly, the rotating part horizontally rotates on a mounting seat, the clamping direction of the clamping part can be adjusted, when the rotating part rotates to a proper direction, the locking assembly can limit the continuous rotation of the rotating part so as to keep the rotating part to be in a certain direction, and the clamping part is connected to the rotating part, so that the clamping direction of the clamping part can be effectively adjusted.

Drawings

FIG. 1 is a schematic view of a clamping device according to an embodiment;

FIG. 2 is a schematic structural view of a fixing table according to an embodiment;

FIG. 3 is a schematic view of another structure of a clamping device according to an embodiment;

FIG. 4 is a schematic view of another structure of a clamping device according to an embodiment;

FIG. 5 is a schematic view of a clamping position adjusting assembly according to an embodiment;

FIG. 6 is a schematic view of a clamping adjustment structure according to an embodiment;

FIG. 7 is a schematic view of the structure of the guide rail in the embodiment;

FIG. 8 is a schematic view of a slider structure according to an embodiment;

FIG. 9 is a cross-sectional view of a slider and guide rail in an embodiment;

FIG. 10 is a schematic view of a clamping direction adjusting assembly according to an embodiment;

FIG. 11 is an exploded view of a clip orientation adjustment assembly according to an embodiment;

FIG. 12 is a schematic view showing the horizontal rotation of the rotary member in a top view in the embodiment;

FIG. 13 is a schematic view of a clamp height adjustment assembly according to an embodiment;

FIG. 14 is a schematic view of another embodiment of a clamp height adjustment assembly;

FIG. 15 is a schematic view of an embodiment intermediate distance adjustment assembly;

FIG. 16 is another schematic structural view of an embodiment intermediate distance adjustment assembly;

FIG. 17 is a schematic view of a clamping angle adjusting assembly according to an embodiment;

FIG. 18 is an exploded view of a clip angle adjustment assembly according to an embodiment;

FIG. 19 is a schematic view showing the structure of a rotation limiting block in the embodiment;

FIG. 20 is a schematic diagram of the structure of a rotating block according to the embodiment;

Fig. 21 is a schematic view of a structure of a rotation adjustment of a clamping angle adjusting assembly in an embodiment.

Detailed Description

The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.

Referring to fig. 1-21, a clamping device 1 comprises a fixed table 2 and a clamping adjusting structure 3, wherein a guide rail 4 is arranged on the fixed table 2, the clamping adjusting structure 3 is arranged on the guide rail 4, the clamping adjusting structure 3 comprises a clamping position adjusting component 10, a clamping direction adjusting component 20, a clamping height adjusting component 30, a clamping angle adjusting component 40 and a clamping piece 50,

The clamping position adjusting assembly 10 is slidably arranged on the guide rail 4 to adjust the clamping position of the clamping device body;

the clamping direction adjusting assembly 20 is horizontally rotatably installed on the clamping position adjusting assembly 10 to adjust the clamping direction of the clamping device body;

One end of the clamping height adjusting assembly 30 is connected with the clamping direction adjusting assembly 20, and the other end is connected with the clamping angle adjusting assembly 40 so as to adjust the relative height of the clamping device body;

The clamping angle adjusting assembly 40 is connected to the clamping member 50 to adjust the clamping angle of the clamping member 50.

The clamping device 1 is provided, the position of the clamping adjusting structure 3 can be adjusted through the clamping position adjusting component 10, the clamping direction of the clamping adjusting structure 3 can be adjusted through the clamping direction adjusting component 20, the clamping height can be adjusted through the clamping height adjusting component 30, and the angle of the clamping adjusting structure 3 can be adjusted through the clamping angle adjusting component 40, so that workpieces with different sizes and different shapes can be clamped.

The clamping position adjusting assembly 10, the clamping position adjusting assembly 10 is slidably installed on the guide rail 4 of the fixed table 2, the clamping position adjusting assembly 10 comprises a sliding block 11 and a first screw rod assembly 12, the sliding block 11 is slidably installed on the guide rail 4, the first screw rod assembly 12 comprises a first screw rod body 121 and a connecting block 122, the connecting block 122 is installed on the first screw rod body 121 and is connected with the sliding block 11, so that the sliding block 11 is driven to move on the guide rail 4 through the first screw rod assembly 12, a guide wheel set is further arranged on the sliding block 11, and the guide wheel set is in matched contact with the guide rail 4.

Through the sliding of the sliding block 11 on the guide rail 4, the clamping position adjusting assembly 10 is adjusted to be at the position on the fixed table 2, and the clamping position adjusting assembly 10 is connected with the clamping piece 50, and the clamping distance between two or more clamping position adjusting assemblies 10 on the fixed table 2 can be adjusted to adjust the clamping distance between the clamping pieces 50, so that workpieces with different sizes can be clamped conveniently.

The connection of the clamping position adjusting assembly 10 to the clamping member 50 is here an indirect connection.

In some embodiments, the first screw assembly 12 further includes a driving motor, and an output end of the driving motor is connected to the first screw body 121 to drive the first screw body 121 to rotate. The first screw rod body 121 can be driven to rotate by forward rotation and reverse rotation of the driving motor, so as to drive the connecting block 122 to move on the first screw rod body 121, so as to drive the sliding block 11 to slide.

In some embodiments, the first screw assembly 12 further includes a hand crank 123, and the hand crank 123 is connected to the first screw body 121, so that the first screw body 121 is driven to rotate by the hand crank 123. The first screw rod body 121 can be driven to rotate by rotating the hand-operated wheel 123, so as to drive the connecting block 122 to move on the first screw rod body 121, so as to drive the sliding block 11 to slide.

The slider 11 includes a slider body 111 and a mounting rack 112, the slider body 111 is connected with the mounting rack 112, and the connection block 122 is connected with the slider body 111. In this embodiment, the slider body 111 is disposed above the guide rail 4, and the mounting rack 112 is disposed below the guide rail 4. An installation space 113 is formed between the slider body 111 and the mounting bracket 112, and the guide rail 4 extends into the installation space 113.

In this embodiment, a chute is formed at one end of the installation slider body 111 facing the guide rail 4, and the chute is connected to and slides in cooperation with the guide rail.

The guide wheel set comprises a first guide wheel 1111 and a second guide wheel arranged at the slider body 111, and the first guide rail 4 is arranged at the front end of the slider body 111 and is in contact with the guide rail 4; the second guide rail 4 is provided at a rear end position of the slider body 111, and is in contact with the guide rail 4. By the contact of the first guide roller 1111 and the second guide roller with the guide rail 4, the frictional resistance is reduced when the slider 11 slides on the guide rail 4.

The guide wheel set further comprises a third guide wheel 1121 and a fourth guide wheel 1122 arranged at one end of the mounting frame 112 facing the guide rail 4, wherein the third guide wheel 1121 is arranged at the front end position of the mounting frame 112 and is in matched contact with the guide rail 4; the fourth guide roller 1122 is disposed at a rear end position of the mounting frame 112 and is in mating contact with the guide rail 4. By the contact of the third guide roller 1121 and the fourth guide roller 1122 with the guide rail 4, the frictional resistance is reduced when the slider 11 slides on the guide rail 4.

A mounting groove 41 is formed in the side wall of the guide rail 4, and a scale 42 is arranged in the mounting groove 41. To identify the position of the slider 11. The slider 11 can be effectively slid to a proper position.

The fixed table 2 comprises a first installation table 6 and a second installation table 7, an installation area is formed between the first installation table 6 and the second installation table 7, the guide rail 4 is arranged at the installation area, one end of the guide rail 4 is connected with the first installation table 6, and the other end extends towards the second installation table 7.

When the installation area is provided with a plurality of guide rails 4, the intervals between the adjacent guide rails 4 are equal.

In this embodiment, the first mounting table 6 is circular, and the second mounting table 7 is outside the first mounting table 6, so as to form an annular mounting area 8 between the first mounting table 6 and the second mounting table 7.

The first mounting table 6 is used for fixedly mounting the fixed table 2. The second mounting platform 7 is used for being matched with the first book searching mounting platform 6 to be connected with the guide rail 4.

In this embodiment, the guide rail 4 is disposed to extend along a straight line.

In some embodiments, two guide rails 4 are provided on the fixed table 2, namely a first guide rail 4 and a second guide rail 4; the clamping position adjusting assemblies 10 are respectively a first clamping position adjusting assembly and a second clamping position adjusting assembly; the first clamping position adjusting assembly is slidably mounted on the first guide rail 4, the second clamping position adjusting assembly is slidably mounted on the second guide rail 4, and the clamping distance between the first clamping position adjusting assembly and the second clamping position adjusting assembly is adjusted through sliding of the first clamping position adjusting assembly and the second clamping position adjusting assembly. The first clamping position adjusting assembly and the second clamping position adjusting assembly are adjusted to adjust the clamping distance between the first clamping position adjusting assembly and the second clamping position adjusting assembly, and workpieces with different sizes can be clamped.

In some embodiments, eight guide rails 4 are provided on the fixed table 2, and arc length intervals between adjacent guide rails 4 are equal, where the eight guide rails 4 are a first guide rail 4, a second guide rail 4, a third guide rail 4, a fourth guide rail 4, a fifth guide rail 4, a sixth guide rail 4, a seventh guide rail 4, and an eighth guide rail 4, respectively; the clamping position adjusting assemblies 10 are eight, a first clamping position adjusting assembly 10 is arranged on the first guide rail 4, a second clamping position adjusting assembly 10 is arranged on the second guide rail 4, a third clamping position adjusting assembly 10 is arranged on the third guide rail 4, a fourth clamping position adjusting assembly 10 is arranged on the fourth guide rail 4, a fifth clamping position adjusting assembly 10 is arranged on the fifth guide rail 4, a sixth clamping position adjusting assembly 10 is arranged on the sixth guide rail 4, a seventh clamping position adjusting assembly 10 is arranged on the seventh guide rail 4, and an eighth clamping position adjusting assembly 10 is arranged on the eighth guide rail 4. The clamping space is formed among the first clamping position adjusting assembly 10, the second clamping position adjusting assembly 10, the third clamping position adjusting assembly 10, the fourth clamping position adjusting assembly 10, the fifth clamping position adjusting assembly 10, the sixth clamping position adjusting assembly 10, the seventh clamping position adjusting assembly 10 and the eighth clamping position adjusting assembly 10, a workpiece is clamped in the clamping space, and the workpieces with different sizes or different shapes can be effectively clamped by adjusting the positions of the first clamping position adjusting assembly 10, the second clamping position adjusting assembly 10, the third clamping position adjusting assembly 10, the fourth clamping position adjusting assembly 10, the fifth clamping position adjusting assembly 10, the sixth clamping position adjusting assembly 10, the seventh clamping position adjusting assembly 10 and the eighth clamping position adjusting assembly 10, so that the workpiece can be clamped in all directions, and the clamping effect is ensured.

The clamping direction adjusting assembly 20 comprises a mounting seat 26, a rotating member 21, a first rotating shaft 22 and a locking assembly 23, wherein the rotating member 21 can be horizontally and rotatably mounted on the mounting seat, a first mounting hole 24 is formed in the rotating member 21, the first rotating shaft 22 is mounted in the first mounting hole 24, the rotating block 42 can horizontally rotate around the first rotating shaft 22, and the locking assembly 23 is connected with the rotating member 21 in a matched manner and used for limiting the rotating member 21 to rotate.

By installing the clamping member on the clamping direction adjusting assembly 20, and horizontally rotating the rotating member 21 on the sliding block 11 (as shown in fig. 10), the clamping direction of the clamping member 50 can be adjusted, and when the rotating member 21 rotates to a proper direction, the locking assembly 23 can limit the continuous rotation of the rotating member 21 so as to keep the rotating member 21 to be oriented in a certain direction, and the clamping member 50 is connected to the rotating member 21, so that the clamping direction of the clamping member 50 can be effectively adjusted.

The clamping direction adjusting assembly 20 is connected to the clamping member, and in this embodiment, the clamping position adjusting assembly 10 is connected to the clamping member 50 through the clamping direction adjusting assembly 20.

In this embodiment, the mounting seat 26 is formed at the upper end face of the slider. I.e. the clamping direction adjusting assembly 20 is mounted on the slider 11.

In this embodiment, the connection between the clamping direction adjusting member and the clamping member 50 is an indirect connection.

The first mounting hole 24 is also opened in a vertical direction, and the first rotating shaft 22 is disposed in a vertical direction.

The rotating member 21 includes a first lock arm 211 and a second lock arm 212, an opening gap 25 is formed between the first lock arm 211 and the second lock arm 212, and the opening gap 25 communicates with the first mounting hole 24.

In this embodiment, the opening gap is 3-8mm.

In some embodiments, the first locking arm 211 and the second locking arm 212 may be made of a material having a certain elasticity.

The first mounting hole 24 communicates with the outside through the opening gap 25. When the opening gap 25 between the first locking arm 211 and the second locking arm 212 is opened, the aperture of the first mounting hole 24 can be effectively increased, and the rotating block 42 can rotate around the first rotating shaft 22; when the locking assembly 23 is coupled to the rotating member 21, the rotating block 42 is restricted from rotating.

In this embodiment, the locking assembly 23 includes a first locking screw 231, a first locking hole 2111 is formed in the first locking arm 211, a second locking hole is formed in the second locking arm 212, the first locking screw 231 penetrates through the first locking hole 2111 and the second locking hole, the first locking arm 211 and the second locking arm 212 are locked by the first locking screw 231, so as to reduce the size of the opening gap 25, compress the rotating member 21 on the first rotating shaft 22, and increase the friction resistance between the rotating member 21 and the first rotating shaft 22, so as to effectively limit the rotation of the rotating member 21.

In some embodiments, the first locking hole 2111 is a through hole, the second locking hole is a blind hole, and the first locking screw 231 passes through the first locking hole 2111 to connect with the second locking hole, so as to compress the first locking arm 211 towards the second locking arm 212, so as to reduce the size of the opening gap 25, and even make no gap between the first locking arm 211 and the second locking arm 212.

In some embodiments, the first locking hole 2111 is a through hole, and the second locking hole is a through hole; and the first nut 232 is further included, and when the first locking screw 231 passes through the first locking hole 2111 and the second locking hole, the first locking arm 211 and the second locking arm 212 are locked on the first rotating shaft 22 through the matching connection of the first nut 232 and the first locking screw 231.

In some embodiments, the diameter of the first mounting hole 24 is slightly smaller than the diameter of the first shaft 22.

In this embodiment, three first locking holes 2111 are provided on the first locking arm 211, and the first locking holes 2111 are uniformly arranged at intervals along the vertical direction; three second locking holes are formed in the second locking arm 212, and the second locking holes are disposed at positions matched with the first locking holes 2111. The rotation of the rotating member 21 is effectively limited by the arrangement of the three first locking holes 2111 and the second locking holes and the connection of the three first locking screws 231.

In some embodiments, a buckle is provided on the rotating member 21, a slot is provided on the sliding block 11, and the rotating member 21 is limited to rotate in the horizontal direction by buckling the buckle and the slot.

In some embodiments, a fastening strip is disposed on the first locking arm 211, a fastening hole is disposed on the fastening strip, a fastening block is disposed on the second locking arm 212, and the first locking arm 211 and the second locking arm 212 are connected by the fastening hole on the fastening strip and the fastening block, so as to reduce the size of the opening gap 25, compress the rotating member 21 on the first rotating shaft 22, and limit the horizontal rotation of the rotating member 21.

The clamping height adjusting assembly 30 comprises a parallel connecting rod assembly 31, a first fixing seat 32 and a second fixing seat 33, one end of the parallel connecting rod assembly 31 is rotatably connected with the first fixing seat 32, the other end of the parallel connecting rod assembly 31 is rotatably connected with the second fixing seat 33, the parallel connecting rod assembly 31 comprises a first connecting rod 311 and a second connecting rod 312, a distance adjusting assembly 34 is arranged between the first connecting rod 311 and the second connecting rod 312, one end of the distance adjusting assembly 34 is connected with the first connecting rod 311, and the other end of the distance adjusting assembly 34 is connected with the second connecting rod 312 so as to adjust the height of the parallel connecting rod assembly 31 by adjusting the distance between the first connecting rod 311 and the second connecting rod 312.

The distance between the first connecting rod and the second connecting rod is adjusted through the distance adjusting assembly, so that the clamping height of the parallel connecting rod assembly is adjusted, and workpieces with different heights can be clamped.

The clamping direction adjusting assembly 20 is connected to the clamping member 50 through the clamping height adjusting assembly 30. The first connecting rod 311 and the second connecting rod 312 are disposed in parallel, one ends of the first connecting rod 311 and the second connecting rod 312 are respectively connected with the first fixing seat 32 in a rotating manner, the other ends of the first connecting rod 311 and the second connecting rod 312 extend upwards and are connected with the second fixing seat 33, so that the height of the second fixing seat 33 is raised through the parallel connecting rod assembly 31, and the clamping piece 50 is connected with the second fixing seat 33 to adjust the raising height of the clamping piece 50.

The connection of the clamping height adjusting member and the clamping member 50 is an indirect connection.

The connection point between the first connecting rod 311 and the first fixing seat 32 is a first connection point, the connection point between the second connecting rod 312 and the first fixing seat 32 is a second connection point, and the distance between the first connection point and the second connection point is unchanged; the connection point between the first connecting rod 311 and the second fixing seat 33 is a third connection point, the connection point between the second connecting rod 312 and the second fixing seat 33 is a fourth connection point, and the distance between the third connection point and the fourth connection point is unchanged. So as to form a parallelogram structure among the first connecting rod 311, the second connecting rod 312, the first fixing base 32 and the second fixing base 33.

In this embodiment, the first fixing base 32 is a part of the rotating member 21; or the first fixing base 32 and the rotating member 21 are integrally formed.

The first link 311 includes a first left link 3111 and a first right link 3112, and a first reinforcing block 3113 is provided between the first left link 3111 and the first right link 3112 to reinforce the strength of the first link 311;

The second link 312 includes a second left link 3121 and a second right link 3122, and a second reinforcement block is provided between the second left link 3121 and the second right link 3122 to reinforce the strength of the second link 312.

The distance adjusting assembly 34 comprises a second screw assembly, the second screw assembly comprises a second screw body 341, a fixed block 342 and an adjusting block 343, the fixed block 342 is mounted on the first connecting rod 311, the adjusting block 343 is mounted on the second connecting rod 312, and the second screw body 341 penetrates through the adjusting block 343 to be connected with the fixed block 342. In this embodiment, the fixed block 342 is between the first left link 3111 and the first right link 3112; the adjustment block 343 is between the second left link 3121 and the second right link 3122.

In this embodiment, the second screw body 341 is disposed at the first connecting rod 311 and the second connecting rod 312 in an inclined manner, and a first angle a is formed between the second screw body 341 and the first connecting rod 311 or between the second screw body 341 and the second connecting rod 312.

The first included angle a is smaller than 90 °, that is, an included angle formed between the second screw body 341 and the upper end portion of the first connecting rod 311 is an acute angle, and an included angle formed between the second screw body 341 and the upper end portion of the second connecting rod 312 is an acute angle.

The spacing adjustment assembly 34 further includes a second nut 344, where the second nut 344 abuts against the adjustment block 343 when the second screw body 341 passes through the adjustment block 343 and is connected to the fixed block 342, so as to adjust the spacing between the first link 311 and the second link 312.

When the space between the first link 311 and the second link 312 needs to be reduced, the space between the first link 311 and the second link 312 can be increased by connecting the second nut 344 with the second screw rod body 341, the first included angle is reduced, and the lifting height of the parallel link assembly 31 is increased;

When the distance between the first link 311 and the second link 312 needs to be increased, the distance between the first link 311 and the second link 312 can be reduced by connecting the second nut 344 with the second screw body 341, the first angle is increased, and the lifting height of the parallel link assembly 31 is reduced.

The utility model provides a clamping angle adjusting part 40, clamping angle adjusting structure is connected with clamping piece 50, clamping angle adjusting structure includes connecting piece 41, turning block 42 and restriction turning piece 43, turning block 42 rotatable with connecting piece 41 is connected in rotation, restriction turning piece 43 with connecting piece 41 with turning block 42 is connected, works as when turning block 42 rotates to certain angle, through restriction turning piece 43 with turning block 42 and connecting piece 41 are connected, in order to restrict turning block 42 takes place to rotate, through turning piece 21 adjustable clamping angle of clamping piece 50.

The rotating block 42 is rotatably connected with the connecting piece 41, and the rotating block 42 can rotate up and down relative to the connecting piece 41, when the rotating block 42 rotates to a certain angle, the rotating block 42 is limited by the limiting rotating piece 43, so that the clamping angle adjusting assembly 40 can clamp a workpiece at a proper angle, and when the workpiece is clamped, the workpiece is clamped tightly by the clamping piece through adjusting the clamping angle of the clamping piece, so that the existence of a tiny gap is avoided, and the stable clamping is ensured.

The connecting piece 41 is connected to the second fixing base 33.

The rotating block 42 is connected with the clamping piece 50, and the rotating block 42 is directly connected with the clamping piece 50.

The clamping height adjusting assembly 30 is connected to the clamping member 50 through the clamping angle adjusting assembly 40.

The second rotating shaft 44 is further included, and the rotating block 42 is rotatably connected with the connecting piece 41 through the second rotating shaft 44. The rotating block 42 rotates around the connecting member 41 with the second rotating shaft 44 as a rotating fulcrum, and rotates up and down.

The rotation limiting member 43 includes a rotation limiting block 431, a first insection 433 is disposed at an end of the rotation limiting block 431 facing the rotation block 42, a second insection 421 is disposed at an end of the rotation block 42 facing the rotation limiting block 431, a third insection 411 is disposed at an end of the connecting member 41 facing the fixing member, and when the rotation limiting member 43 is connected with the rotation block 42 and the connecting member 41, the first insection 433 is meshed with the second insection 421 and the third insection 411.

The rotation limiting member 43 further includes a limiting screw 432, a first connecting hole 434 is formed in the rotation limiting block 431, a second connecting hole 422 is formed in the rotation limiting block 42, and the limiting screw 432 penetrates through the first connecting hole 434 to be connected with the second connecting hole 422, so as to limit rotation of the rotation member 21.

When the rotating block 42 rotates to a certain angle, the third ridge 411 of the limiting rotating block 431 is engaged with the second ridge 421 of the rotating block 42 and the third ridge 411 of the connecting block 122, and the limiting screw 432 extends into the first connecting hole 434 of the limiting rotating block 431 and the second connecting hole 422 of the rotating block 42, so as to limit the rotation of the rotating block 42.

The connecting member 41 includes a first connecting member 412 and a second connecting member 413, a locking space 414 is formed between the first connecting member 412 and the second connecting member 413, and the rotating block 42 is mounted in the locking space 414 and extends out from the locking space 414 to be connected with the clamping member 50.

In this embodiment, the rotation limiting block 431 has an arc structure, and the arc of the arc structure is 30-90 °. In some embodiments, the arc-shaped structure has an arc of 40-60 °.

The arc length of the second insection 421 of the rotating block 42 is equal to the arc length of the first insection 433 of the arc structure. To ensure that the limit turning block 431 is engaged with the turning block 42.

The arc length of the third insection 411 is greater than the arc length of the first insection 433 or the arc length of the second insection 421. So that the rotation restricting block 431 can still be engaged with the connection block 122 after the rotation block 42 rotates at the connection block 122.

The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present application, and all such technical deductions, substitutions, improvements made on the basis of the same, similar or similar embodiments of the present application should be regarded as the protection scope of the present patent.

Claims (8)

1. The utility model provides a centre gripping direction adjustment subassembly, its characterized in that, centre gripping direction adjustment subassembly includes mount pad, rotates piece, first pivot and locking subassembly, but rotation piece horizontal rotation installs on the mount pad rotation is last to have seted up first mounting hole, first pivot is installed in the first mounting hole, just rotation piece can wind first pivot is horizontal rotation, locking subassembly with rotation piece cooperation is connected, is used for the restriction rotation takes place for rotation piece.

2. The clip direction adjustment assembly of claim 1, wherein the rotational member includes a first locking arm and a second locking arm, an open gap is formed between the first locking arm and the second locking arm, and the open gap is in communication with the first mounting hole.

3. The clamping direction adjusting assembly according to claim 2, wherein the locking assembly comprises a first locking screw, a first locking hole is formed in the first locking arm, a second locking hole is formed in the second locking arm, and the first locking screw penetrates through the first locking hole and the second locking hole to lock the first locking arm and the second locking arm on the first rotating shaft so as to limit the rotation of the rotating member.

4. A clamping direction adjustment assembly according to claim 3, comprising a nut, the first locking arm and the second locking arm being locked to the first shaft by engagement of the nut with the first locking screw as the first locking screw passes through the first locking hole and the second locking hole.

5. The clamping direction adjusting assembly according to claim 4, wherein three first lock holes are formed in the first lock arm, and the first lock holes are uniformly arranged at intervals in the vertical direction; the second lock arm is provided with three second lock holes, and the setting positions of the second lock holes are matched with the first lock holes.

6. The clamping direction adjusting assembly according to claim 1, wherein the locking assembly comprises a buckle arranged on the rotating member, a clamping groove is arranged on the mounting seat, and the rotating member is limited to rotate through buckling of the buckle and the clamping groove.

7. The clip direction adjustment assembly of claim 1, wherein the first shaft extends upwardly from the mounting base.

8. A clamping direction adjustment assembly according to claim 2, characterized in that the opening gap is 3-8mm.