CN216327968U

CN216327968U - Spanner for screw locking

Info

Publication number: CN216327968U
Application number: CN202122556919.7U
Authority: CN
Inventors: 施晶晶
Original assignee: Nantong Skro Screw Manufacturing Co ltd
Current assignee: Nantong Skro Screw Manufacturing Co ltd
Priority date: 2021-10-24
Filing date: 2021-10-24
Publication date: 2022-04-19
Anticipated expiration: 2031-10-24

Abstract

The utility model discloses a wrench for locking a screw, which comprises a wrench head, wherein the bottom end of the wrench head is fixedly connected with an adjusting rod, the bottom end of the adjusting rod is provided with a thread groove, the surface of the thread groove is in threaded connection with a threaded rod, the bottom end of the threaded rod is rotatably connected with a first bearing, the first bearing is fixedly connected with the bottom end of the inner wall of the bottom rod, the bottom end of the bottom rod is fixedly connected with the mounting seat, bayonets are respectively arranged on the two sides of the mounting seat, clamping blocks are respectively clamped on the surfaces of the two bayonets, one side of each clamping block close to the first bearing is fixedly connected with a spring, one end of each spring is fixedly connected with one side of the inner wall of each groove, and the two grooves are respectively arranged on the two sides of the mounting block, thereby adapt to different environment, the screwdriver head of removable bottom to can install the screw of different pass and dismantle.

Description

Spanner for screw locking

Technical Field

The utility model relates to the field of wrenches, in particular to a wrench for locking a screw.

Background

The wrench is a common mounting and dismounting tool, and is a hand tool for screwing bolts, screws, nuts and the like by utilizing the lever principle.

Although the wrench is quite common, the existing wrench cannot lock a screw with a specific hole pattern, and the wrench cannot change the size of the torque force by adjusting the length, so that the wrench is not practical enough.

SUMMERY OF THE UTILITY MODEL

The present invention provides a wrench for locking screws, which solves the problems that the existing wrench proposed in the above background art cannot lock screws with specific hole patterns, and the wrench cannot change the magnitude of torque force by adjusting the length, and is not practical enough.

In order to achieve the purpose, the utility model provides the following technical scheme: a wrench for locking screws comprises a wrench head, wherein the bottom end of the wrench head is fixedly connected with an adjusting rod, the bottom end of the adjusting rod is provided with a thread groove, the surface of the thread groove is in threaded connection with a threaded rod, the bottom end of the threaded rod is rotatably connected with a first bearing, the first bearing is fixedly connected with the bottom end of the inner wall of a bottom rod, two sides of the bottom of the adjusting rod are fixedly connected with sliding blocks, the surfaces of the two sliding blocks are respectively in sliding connection with sliding grooves, the two sliding grooves are respectively arranged on two sides of the inner wall of the bottom rod, the bottom of the threaded rod is fixedly sleeved with a first bevel gear, the surface of the first bevel gear is meshed with a second bevel gear, the middle part of the second bevel gear is fixedly connected with a rotating shaft, the bottom end of the bottom rod is fixedly connected with a mounting seat, two sides of the mounting seat are respectively provided with a bayonet, and the surfaces of the two bayonets are clamped with clamping blocks, two the fixture block is close to the equal fixedly connected with spring in one side of first bearing, and two the one end of spring is fixed connection respectively in one side of two recess inner walls, two the both sides of installing the piece are seted up respectively to the recess, the bottom fixedly connected with screwdriver of installing the piece.

When the wrench used for locking the screw is used, the rotating rod is rotated to finally drive the adjusting rod to stretch out and draw back in the bottom rod, so that the length of the adjusting device is adjusted, the adjusting rod is placed in the groove by pressing the clamping block, the screwdriver can be taken down, and the screwdriver with other tool bits can be replaced.

As a preferable technical scheme of the utility model, one end of the rotating shaft penetrates through the outer wall of the bottom rod and is fixedly connected with a rotating disk, and a second bearing is sleeved at the joint of the rotating shaft and the bottom rod. When the rotating disc rotates, the rotating disc drives the rotating shaft connected with the rotating disc to rotate.

As a preferred technical scheme of the utility model, the surface of the bottom rod is fixedly sleeved with a silica gel sleeve. The work is carried out by holding the hand on the silica gel positioned on the surface of the bottom rod.

As a preferred technical scheme of the utility model, the surface of the silica gel sleeve is provided with anti-skid lines. When the silica gel cover is held by the hand, the protective lines improve the friction force.

As a preferred technical scheme, pin shafts are fixedly connected to two sides of the inner wall of the wrench head, worms are sleeved on the surfaces of the two pin shafts, racks are meshed to the tops of the worms, and movable wrench lips are fixedly connected to the top ends of the racks. The worm rotates to drive the rack to move, and the rack drives the movable spanner lip to move.

As a preferred technical scheme of the utility model, one side of the top end of the wrench head is fixedly connected with a fixed wrench lip, the other side of the top end of the wrench head is provided with a displacement opening, and the top end of the movable wrench lip penetrates through the displacement opening and is arranged outside the wrench head. The movable pull lip moves on the displacement opening to adjust the distance between the movable pull lip and the fixed pull lip.

As a preferable technical scheme of the utility model, the middle part of the wrench head is provided with a poking opening. The fingers extend into the poking opening to rotate the worm.

Compared with the prior art, the utility model has the beneficial effects that:

1. the second bevel gear is driven to rotate through the rotating shaft, the second bevel gear can drive the threaded rod sleeved with the first bevel gear to rotate, the threaded rod is in threaded connection with a threaded groove in the adjusting rod, and the adjusting rod cannot rotate under the limitation of the sliding block and the sliding groove, so that the threaded rod can drive the adjusting rod to correspondingly ascend or descend when rotating, the adjusting rod can stretch out and draw back in the bottom rod, larger torsion can be obtained through the length adjusting device, or the length adjusting device can adapt to a narrow space, and the device is more practical;

2. through be provided with the screwdriver below the device, the accessible screwdriver is dismantled the screw, and the accessible is pressed the fixture block that is located the mount pad surface bayonet socket, press it into the recess on the installation piece, thereby can relieve the fixed to the installation piece, the screwdriver of detachable this moment, change the tool bit of another kind of shape, in block the mount pad with the installation piece at its top again, the fixture block pops out once more and with the bayonet socket block under the effect of spring force, accomplish fixedly, consequently, the tool bit of the screwdriver of removable different shapes when using, in order to adapt to the screw of various different pass.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view at the foot bar of the present invention;

FIG. 3 is a cross-sectional view at the mount of the present invention;

fig. 4 is a sectional view at the wrench head of the present invention.

In the figure: 1. a wrench head; 2. adjusting a rod; 3. a thread groove; 4. a threaded rod; 5. a first bearing; 6. a bottom bar; 7. a slider; 8. a chute; 9. a first bevel gear; 10. a second bevel gear; 11. a rotating shaft; 12. rotating the disc; 13. a mounting seat; 14. mounting blocks; 15. a groove; 16. a spring; 17. a clamping block; 18. a bayonet; 19. a screwdriver; 20. a silica gel sleeve; 21. fixing the lip; 22. a pin shaft; 23. a worm; 24. a rack; 25. moving and pulling the lips; 26. a displacement port; 27. a poke port; 28. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a wrench for screw locking, which comprises a wrench head 1, wherein the bottom end of the wrench head 1 is fixedly connected with an adjusting rod 2, the bottom end of the adjusting rod 2 is provided with a thread groove 3, the surface of the thread groove 3 is in threaded connection with a threaded rod 4, the threaded rod 4 can drive the adjusting rod 2 to move when rotating in a threaded connection manner, the bottom end of the threaded rod 4 is rotatably connected with a first bearing 5, the first bearing 5 is fixedly connected to the bottom end of the inner wall of a bottom rod 6, so that the threaded rod 4 can rotate relative to the bottom rod 6, both sides of the bottom of the adjusting rod 2 are fixedly connected with sliding blocks 7, the surfaces of the two sliding blocks 7 are respectively in sliding connection with sliding grooves 8, the two sliding grooves 8 are respectively arranged on both sides of the inner wall of the bottom rod 6, the sliding blocks 7 and the sliding grooves 8 play a role in guiding and limiting on the movement of the adjusting rod 2, so that the adjusting rod 2 cannot rotate, the bottom of the threaded rod 4 is fixedly sleeved with a first bevel gear 9, the surface of the first bevel gear 9 is engaged with a second bevel gear 10, the middle part of the second bevel gear 10 is fixedly connected with a rotating shaft 11, the second bevel gear 10 can be driven to rotate through the rotating shaft 11, the second bevel gear 10 can drive the first bevel gear 9 to rotate, so that the threaded rod 4 rotates, the bottom of the bottom rod 6 is fixedly connected with a mounting seat 13, bayonets 18 are respectively arranged on two sides of the mounting seat 13, clamping blocks 17 are respectively clamped on the surfaces of the two bayonets 18, springs 16 are respectively fixedly connected on one sides of the two clamping blocks 17 close to the first bearing 5, one ends of the two springs 16 are respectively fixedly connected on one side of the inner walls of the two grooves 15, the clamping blocks 17 can be ejected outwards under the action of the elastic force of the springs 16, the two grooves 15 are respectively arranged on two sides of the mounting block 14, and a screwdriver 19 is fixedly connected on the bottom of the mounting block 14, the screw can be mounted and dismounted by means of a screwdriver 19.

When the device is used, the second bevel gear 10 is driven to rotate through the rotating shaft 11, the second bevel gear 10 drives the threaded rod 4 sleeved with the first bevel gear 10 to rotate, the threaded rod 4 is in threaded connection with the threaded groove 3 in the adjusting rod 2, and the adjusting rod 2 cannot rotate under the limitation of the sliding block 7 and the sliding groove 8, so that the threaded rod 4 can drive the adjusting rod 2 to correspondingly ascend or descend when rotating, the adjusting rod 2 can stretch and contract in the bottom rod 6 to adjust the length, the screw can be detached through the screwdriver 19, the mounting block 14 at the top of the mounting seat 13 can be pressed into the groove 15 on the mounting block 14 through pressing the clamping block 17 on the bayonet 18 on the surface of the mounting seat 13, the mounting block 14 can be released from being fixed on the mounting block 14, the screwdriver 19 can be removed, a tool bit in another shape can be replaced, the mounting block 14 at the top of the mounting seat 13 can be clamped, and the clamping block 17 can be ejected out again and clamped with the bayonet 18 under the elastic force of the spring 16, the fixation is completed, so that the bit of the screwdriver 19 with different shapes can be replaced when in use, so as to adapt to screws with different hole types;

one end of the rotating shaft 11 penetrates through the outer wall of the bottom rod 6 and is fixedly connected with a rotating disc 12, the rotating disc 12 is convenient to drive the rotating shaft 11 to rotate, a second bearing is sleeved at the joint of the rotating shaft 11 and the bottom rod 6, so that the rotating shaft 11 can stably rotate, a silica gel sleeve 20 is fixedly sleeved on the surface of the bottom rod 6, anti-skid grains 28 are formed in the surface of the silica gel sleeve 20, the silica gel sleeve 20 enables the handheld device not to easily slide, and the anti-skid effect is further improved by the arrangement of the anti-skid grains 28;

when the wrench is used, a user holds the silica gel sleeve 20 on the bottom rod 6, the wrench can be held more stably and is not easy to slide through the anti-skid lines 28 on the surface of the silica gel sleeve 20 when the wrench works, the rotating disc 12 is rotated before the bolt and the nut are disassembled, and therefore the second bevel gear 10 at one end of the rotating shaft 11 can stably rotate under the cooperation of the second bearing, and the length of the wrench is finally adjusted to adapt to different working environments;

the two sides of the inner wall of the wrench head 1 are fixedly connected with pin shafts 22, the surfaces of the two pin shafts 22 are sleeved with worms 23, the worms 23 are sleeved on the pin shafts 22 at the two sides, so that the worms 23 can rotate, the top of the worms 23 is meshed with a rack 24, the top end of the rack 24 is fixedly connected with a movable wrench lip 25, the worm 23 can drive the movable wrench lip 25 on the rack 24 to move when rotating in a meshed mode, one side of the top end of the wrench head 1 is fixedly connected with a fixed wrench lip 21, the other side of the top end of the wrench head 1 is provided with a displacement port 26, the top end of the movable wrench lip 25 penetrates through the displacement port 26 and is arranged outside the wrench head 1, bolts can be clamped through the fixed wrench lip 21 and the movable wrench lip 25, and the middle of the wrench head 1 is provided with a poking port 27 for poking the worms 23;

when the bolt is used, the worm 23 positioned at the poking opening 27 is rotated, and the worm 23 drives the rack 24 meshed above to move when rotating, so that the movable pull lip 25 moves on the displacement opening 26, the distance between the movable pull lip 25 and the fixed pull lip 21 can be adjusted according to the size of the bolt, the bolt is clamped, and then the bolt can be disassembled by twisting the device;

when the wrench is used, the length of the wrench can be adjusted firstly, the second bevel gear 9 is driven to rotate through the rotating shaft 11, the second bevel gear 9 can drive the threaded rod 4 sleeved with the first bevel gear 10 to rotate, the threaded rod 4 is in threaded connection with the threaded groove 3 in the adjusting rod 2, and the adjusting rod 2 cannot rotate under the limitation of the sliding block 7 and the sliding groove 8, so that the threaded rod 4 can drive the adjusting rod 2 to correspondingly ascend or descend when rotating, the adjusting rod 2 can expand and contract in the bottom rod 6, larger torque can be obtained through the length adjusting device, or the screw can be detached through the screw driver 19 by the short adjusting device to adapt to a narrow space, and the wrench is more practical, when the wrench is used, the screw and the nut are detached through the wrench head 1 at the top of the device, the screw driver 19 is arranged below the device, and the screw can be detached through the screw driver 19, the fixing of the mounting block 14 can be released by pressing the fixture block 17 on the bayonet 18 on the surface of the mounting seat 13 into the groove 15 on the mounting block 14, at this time, the screwdriver 19 can be removed, the screwdriver head with another shape can be replaced, the mounting block 14 on the top of the screwdriver can be clamped into the mounting seat 13, the fixture block 17 is ejected again under the elastic force of the spring 16 and clamped with the bayonet 18, and the fixing is completed, so that the screwdriver head with different shapes can be replaced when in use, and the screwdriver head with different shapes can be adapted to screws with different hole types.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a spanner that screw locking used, includes spanner head (1), its characterized in that: the bottom end of the wrench head (1) is fixedly connected with an adjusting rod (2), the bottom end of the adjusting rod (2) is provided with a thread groove (3), the surface of the thread groove (3) is in threaded connection with a threaded rod (4), the bottom end of the threaded rod (4) is rotatably connected with a first bearing (5), the first bearing (5) is fixedly connected with the bottom end of the inner wall of the bottom rod (6), two sides of the bottom of the adjusting rod (2) are fixedly connected with sliding blocks (7), the surfaces of the two sliding blocks (7) are respectively in sliding connection with sliding grooves (8), the two sliding grooves (8) are respectively arranged on two sides of the inner wall of the bottom rod (6), the bottom of the threaded rod (4) is fixedly sleeved with a first bevel gear (9), the surface of the first bevel gear (9) is meshed with a second bevel gear (10), the middle part of the second bevel gear (10) is fixedly connected with a rotating shaft (11), bottom fixedly connected with mount pad (13) of sill bar (6), bayonet socket (18), two have all been seted up to the both sides of mount pad (13) the equal block in surface of bayonet socket (18) has fixture block (17), two fixture block (17) are close to equal fixedly connected with spring (16) in one side of first bearing (5), and two the one end difference fixed connection of spring (16) is in one side of two recess (15) inner walls, two the both sides of installation piece (14) are seted up respectively in recess (15), the bottom fixedly connected with screwdriver (19) of installation piece (14).

2. A wrench for use in tightening screws according to claim 1, further comprising: one end of the rotating shaft (11) penetrates through the outer wall of the bottom rod (6) and is fixedly connected with a rotating disc (12), and a second bearing is sleeved at the joint of the rotating shaft (11) and the bottom rod (6).

3. A wrench for use in tightening screws according to claim 1, further comprising: the surface of the bottom rod (6) is fixedly sleeved with a silica gel sleeve (20).

4. A wrench for use in tightening screws according to claim 3, further comprising: the surface of the silica gel sleeve (20) is provided with anti-skid lines (28).

5. A wrench for use in tightening screws according to claim 1, further comprising: the wrench is characterized in that pin shafts (22) are fixedly connected to two sides of the inner wall of the wrench head (1), worms (23) are sleeved on the surfaces of the two pin shafts (22), racks (24) are meshed to the tops of the worms (23), and movable wrench lips (25) are fixedly connected to the tops of the racks (24).

6. A wrench as claimed in claim 5, wherein: one side of the top end of the wrench head (1) is fixedly connected with a fixed wrench lip (21), the other side of the top end of the wrench head (1) is provided with a displacement opening (26), and the top end of the movable wrench lip (25) penetrates through the displacement opening (26) and is arranged outside the wrench head (1).

7. A wrench as claimed in claim 5, wherein: the middle part of the wrench head (1) is provided with a poking opening (27).