CN211867613U

CN211867613U - Spanner capable of quickly loosening screw

Info

Publication number: CN211867613U
Application number: CN202020450696.9U
Authority: CN
Inventors: 罗元月
Original assignee: Shaoguan Guangkong Mechanical Transmission Technology Co ltd
Current assignee: SHAOGUAN ZHONGXING INDUSTRIAL Co.,Ltd.
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-06
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a can loosen spanner of screw fast, including handle and sleeve be equipped with the spanner mouth that is used for wrenching the screw in the sleeve be equipped with the cavity in the handle, the sleeve rotates the lower extreme of installing at the handle be equipped with in the cavity and can be with the locking mechanical system of sleeve locking be equipped with the track that sets up along handle length direction in the cavity slide in the track and be equipped with the movable block thereby be equipped with the rotatory drive mechanism who loosens the screw of the slip drive sleeve that can pass through the movable block on the movable block, according to such structure, will loosen tighter screw earlier, unblock locking mechanical system, drive movable block along track round trip movement after, it is rotatory towards an orientation to drive the sleeve through drive mechanism to loosen the screw fast, convenient operation, raise the efficiency.

Description

Spanner capable of quickly loosening screw

Technical Field

The utility model relates to the field of mechanical tools, in particular to spanner that can loosen screw fast.

Background

A wrench is a common mounting and dismounting tool; hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The spanner is usually provided with a handle part at one end or two ends of the handle part, and the handle part applies external force by clamping the handle part, so that the bolt or the nut can be screwed to hold the opening or the trepanning of the bolt or the nut; when the screw is used, external force is applied to the handle part along the rotation direction of the screw thread, and the bolt or the nut can be screwed.

When the screw is screwed, the wrench and the hand rotate around the screw, so that the operation is laborious, time-consuming and inconvenient, and when a longer screw is encountered, the time required for screwing is longer, so that the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient operation just can loosen the spanner of screw fast.

In order to achieve the above object, the utility model provides a following technical scheme:

a wrench capable of quickly loosening screws comprises a handle and a sleeve, wherein a wrench opening used for wrenching the screws is formed in the sleeve, a cavity is formed in the handle, the sleeve is rotatably installed at the lower end of the handle, a locking mechanism capable of locking the sleeve is arranged in the cavity, a track arranged in the length direction of the handle is formed in the cavity, a moving block is arranged in the track in a sliding mode, a transmission mechanism capable of driving the sleeve to rotate to loosen the screws through sliding of the moving block is arranged on the moving block, according to the structure, the tightened screws are firstly loosened, the locking mechanism is unlocked, then the moving block is driven to move back and forth along the track, and the sleeve is driven to rotate towards one direction through the transmission mechanism, so that the screws are quickly loosened, the operation is convenient, and the efficiency is improved.

Further, the transmission mechanism comprises gears rotatably mounted at two ends of the front end and the rear end of the cavity, one of the gears is connected with a rotating shaft of the sleeve, a toothed strip is connected between the two gears in a connecting manner, movable grooves are formed in the left side and the right side of the movable block in a penetrating manner, sliding blocks are arranged in the movable grooves in a sliding manner, clamping strips are arranged on the left side and the right side of each sliding block and can move left and right along the movable grooves and are respectively meshed with the left side and the right side of the toothed strip in sequence, a transverse sliding groove communicated with the movable grooves is formed in the lower end of the movable block, a pair of oblique blocks which are rotationally symmetrical are arranged at the lower end of each sliding block, the two oblique blocks are arranged in the transverse sliding grooves in a left and right manner, a pair of pressing blocks which are rotationally symmetrical are arranged in the cavity, the pressing blocks are arranged in the front and back direction and can press the oblique blocks to, the upper end of the handle is provided with a communicating groove which is communicated with the cavity and is arranged along the length direction of the handle, the upper end of the moving block is provided with a shifting block, and the shifting block is movably arranged in the communicating groove.

Furthermore, fixed establishment is including setting up the shrinkage pool in the slider upper end the activity is equipped with the location steel column in the shrinkage pool be connected with first spring between location steel column and the shrinkage pool diapire the interval is equipped with can with location steel column complex positioning groove on the movable groove.

Furthermore, the locking mechanism comprises a first groove arranged at the upper end of the moving block, the shifting block is movably arranged in the first groove in the front-back direction, a stop plate is arranged at the front end of the shifting block, the front end of the stop plate extends out of the moving block and can be clamped in a gear tooth groove at the front end, a second groove is arranged at the lower end of the moving block, a clamping block which can move up and down is arranged in the second groove, a clamping groove is formed in the bottom wall of the cavity, the lower end of the clamping block can extend into the clamping groove, an extending block is arranged on the rear side of the shifting block, a guide post is arranged on one side of the extending block, an inclined sliding groove is arranged on one side of the clamping block in a penetrating mode, one end of the guide post is movably arranged in the inclined sliding groove and can drive the clamping block to extend out of the clamping groove, and clamping points capable of fixing the shifting.

Preferably, a pull ring is arranged at the upper end of the poking block.

Preferably, a baffle plate is arranged at the front end of the cavity, and tension springs are connected between the baffle plate and the moving block at intervals.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses a spanner that can loosen screw fast, compared with the prior art, the advantage lies in when needs loose screw, and accessible spanner mouth will loosen tighter screw earlier, carries out the unblock with locking mechanical system, and the back drives the movable block along track round trip movement, drives the sleeve through drive mechanism and rotates towards a direction to loosen the screw fast, convenient operation improves efficiency.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is one of the half-section schematic diagrams of the present invention.

Fig. 3 is a second half-sectional view of the present invention.

Fig. 4 is a schematic partial sectional view of the present invention.

Fig. 5 is a schematic view of the locking mechanism of the present invention.

Fig. 6 is a schematic view of the fixing mechanism of the present invention.

Fig. 7 is a schematic diagram of the slant block and the top pressing block of the present invention.

Description of reference numerals:

1. a handle; 2. a sleeve; 3. a wrench opening; 4. a cavity; 5. a track; 6. a moving block; 100. a locking mechanism; 200. a transmission mechanism; 21. a gear; 22. a toothed strip; 23. a movable groove; 24. a slider; 25. clamping the strip; 26. a transverse chute; 27. an oblique block; 28. pressing the block; 29. a communicating groove; 201. a shifting block; 300. a fixing mechanism; 31. concave holes; 32. positioning a steel column; 33. a first spring; 34. a positioning groove; 41. a first groove; 42. a stop plate; 43. a second groove; 44. a clamping block; 45. an extension block; 46. a guide post; 47. an oblique chute; 48. sticking points; 49. a card slot; 51. a pull ring; 61. a baffle plate; 62. a tension spring.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

a wrench capable of quickly loosening screws as shown in fig. 1 to 7 has the following specific embodiments: the locking device comprises a handle 1 and a sleeve 2, a wrench opening 3 for wrenching a screw is arranged in the sleeve 2, a cavity 4 is arranged in the handle 1, the sleeve 2 is rotatably mounted at the lower end of the handle 1, a locking mechanism 100 capable of locking the sleeve 2 is arranged in the cavity 4, a track 5 arranged along the length direction of the handle 1 is arranged in the cavity 4, a moving block 6 is arranged in the track 5 in a sliding manner, a transmission mechanism 200 capable of driving the sleeve 2 to rotate towards one direction to loosen the screw through the sliding of the moving block 6 is arranged on the moving block 6, when the screw needs to be loosened, the tighter screw can be firstly loosened through the wrench opening 3, the locking mechanism 100 is unlocked, then the moving block 6 is driven to move back and forth along the track 5, the sleeve 2 is driven to rotate towards one direction through the transmission mechanism 200, so that the screw can be quickly loosened, and the operation, the efficiency is improved.

In the utility model, the transmission mechanism 200 comprises gears 21 rotatably mounted at the front and rear ends of the cavity 4, one of the gears 21 is connected with the rotating shaft of the sleeve 2, a tooth-shaped strip 22 is connected between the two gears 21, a movable groove 23 is arranged on the left and right sides of the movable block 6, a slider 24 is arranged in the movable groove 23 in a sliding manner, clamping strips 25 are arranged on the left and right sides of the slider 24, the clamping strips 25 can move left and right along the movable groove 23 and are respectively meshed with the left and right sides of the tooth-shaped strip 22 in sequence, a transverse sliding groove 26 communicated with the movable groove 23 is arranged at the lower end of the movable block 6, a pair of oblique blocks 27 which are rotationally symmetrically arranged are arranged at the lower end of the slider 24, two oblique blocks 27 are arranged in the transverse sliding groove 26 left and right, a pair of pressing blocks 28 which are rotationally symmetrically arranged is arranged in the cavity 4, the front and rear parts of the pressing blocks 28 are arranged and can, the slider 24 is provided with a fixing mechanism 300 which can fix the slider 24 to keep the clamping strip 25 meshed with the toothed strip 22, the upper end of the handle 1 is provided with a communicating groove 29 which is communicated with the cavity 4 and is arranged along the length direction of the handle 1, the upper end of the moving block 6 is provided with a toggle block 201, the toggle block 201 is movably arranged in the communicating groove 29, and the upper end of the toggle block 201 is provided with a pull ring 51.

The utility model discloses in fixed establishment 300 is including setting up shrinkage pool 31 in 24 upper ends of slider the shrinkage pool 31 internalization is equipped with location steel column 32 be connected with first spring 33 between location steel column 32 and the 31 diapire of shrinkage pool the interval is equipped with can with location steel column 32 complex positioning groove 34 on the activity groove 23.

In the utility model, the locking mechanism 100 comprises a first groove 41 arranged at the upper end of the moving block 6, the shifting block 201 is movably arranged in the first groove 41 back and forth, the front end of the toggle block 201 is provided with a stop plate 42, the front end of the stop plate 42 extends out of the moving block 6 and can be clamped into the tooth groove of the gear 21 at the front end, a second groove 43 is arranged at the lower end of the moving block 6, a clamping block 44 which can move up and down is arranged in the second groove 43, a clamping groove 49 is arranged on the bottom wall of the cavity 4, the lower end of the clamping block 44 can extend into the clamping groove 49, an extension block 45 is arranged at the rear side of the toggle block 201, a guide post 46 is arranged at one side of the extension block 45, an inclined sliding groove 47 is arranged on one side of the clamping block 44 in a penetrating manner, one end of the guide column 46 is movably arranged in the inclined sliding groove 47 and can drive the clamping block 44 to extend out of the clamping groove 49, two sides of the inner wall of the first groove 41 are provided with clamping points 48 capable of fixing the toggle block 201.

The utility model discloses in 4 front ends of cavity are equipped with baffle 61 the interval connection has extension spring 62 between baffle 61 and the movable block 6, with movable block 6 along the backward pulling of track 5, the pulling force of accessible extension spring 62 makes movable block 6 reset, convenient operation.

The utility model discloses specific theory of operation as follows:

the locking mechanism 100 locks the sleeve 2, at this time, the screw can be unscrewed through the wrench opening 3, and then the dial block 201 is pushed to move along the first groove 41, even if the dial block 201 moves from the front to the rear of the fastening point 48, and the dial block 201 can be pushed tightly against the dial block 201 in front of and behind the fastening point 48, at this time, one end of the stop plate 42 is disengaged from the gear 21, the sleeve 2 can rotate, the pull ring 51 is pulled to drive the moving block 6 to move backward along the track 5, at this time, the left-side clamping strip 25 is engaged with the toothed strip 22 and drives the moving block to move, so that the sleeve 2 rotates counterclockwise, when the moving block 6 moves to the rearmost end, the rear-end pushing block 28 pushes the right-side inclined block 27, so that the right-side clamping strip 25 is clamped into the right-side clamping strip 22, the left-side clamping strip 25 is disengaged from the toothed strip 22, and then the moving block 6 moves forward, and the sleeve 2 also rotates counterclockwise, as long as drive the removal that the movable block 6 made a round trip along track 5, can drive sleeve 2 anticlockwise rotation always, and then can be quick unscrew the screw, convenient operation improves efficiency.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spanner that can loosen screw fast, including handle (1) and sleeve (2) be equipped with in sleeve (2) and be used for wrenching spanner mouth (3) of screw, its characterized in that: the novel bolt locking device is characterized in that a cavity (4) is formed in the handle (1), the sleeve (2) is rotatably installed at the lower end of the handle (1), a locking mechanism (100) capable of locking the sleeve (2) is arranged in the cavity (4), a track (5) arranged in the length direction of the handle (1) is arranged in the cavity (4), a moving block (6) is arranged in the track (5) in a sliding mode, and a transmission mechanism (200) capable of driving the sleeve (2) to rotate towards one direction to loosen a bolt through sliding of the moving block (6) is arranged on the moving block (6).

2. The wrench capable of quickly loosening screws according to claim 1, wherein the transmission mechanism (200) comprises gears (21) rotatably mounted at two ends of the front end and the rear end of the cavity (4), one of the gears (21) is connected with the rotating shaft of the sleeve (2), a toothed strip (22) is connected between the two gears (21) in a connecting manner, movable grooves (23) are formed in the left side and the right side of the moving block (6) in a penetrating manner, sliding blocks (24) are slidably arranged in the movable grooves (23), clamping strips (25) are arranged on the left side and the right side of each sliding block (24), the clamping strips (25) can move left and right along the movable grooves (23) and are respectively and sequentially meshed with the left side and the right side of the toothed strip (22), a transverse sliding groove (26) communicated with the movable grooves (23) is arranged at the lower end of the moving block (6), a pair of inclined blocks (27) which are rotationally and symmetrically arranged is arranged at the, the two inclined blocks (27) are arranged in the transverse sliding groove (26) in a left-right mode, a pair of pressing blocks (28) which are rotationally and symmetrically arranged are arranged in the cavity (4), the pressing blocks (28) are arranged in a front-back mode and can press the inclined blocks (27) to enable the clamping strips (25) to move back and forth along the movable groove (23), a fixing mechanism (300) which can fix the sliding block (24) to enable the clamping strips (25) to be meshed with the tooth-shaped strips (22) is arranged on the sliding block (24), a communicating groove (29) which is communicated with the cavity (4) and is arranged along the length direction of the handle (1) is arranged at the upper end of the handle (1), a shifting block (201) is arranged at the upper end of the moving block (6), and the shifting block (201) is movably arranged in the communicating groove (29).

3. The wrench capable of quickly loosening the screw according to claim 2, wherein the fixing mechanism (300) comprises a concave hole (31) formed at the upper end of the sliding block (24), a positioning steel column (32) is movably arranged in the concave hole (31), a first spring (33) is connected between the positioning steel column (32) and the bottom wall of the concave hole (31), and positioning grooves (34) capable of being matched with the positioning steel column (32) are formed in the movable groove (23) at intervals.

4. The wrench capable of quickly loosening screws according to claim 2, wherein the locking mechanism (100) comprises a first groove (41) arranged at the upper end of the moving block (6), the moving block (201) is movably arranged in the first groove (41) in a front-back manner, a stop plate (42) is arranged at the front end of the moving block (201), the front end of the stop plate (42) extends out of the moving block (6) and can be clamped into a tooth groove of a gear (21) at the front end, a second groove (43) is arranged at the lower end of the moving block (6), a clamping block (44) which can move up and down is arranged in the second groove (43), a clamping groove (49) is arranged at the bottom wall of the cavity (4), the lower end of the clamping block (44) can extend into the clamping groove (49), an extending block (45) is arranged at the rear side of the moving block (201), and a guide column (46) is arranged at one side of the extending block (45), one side of the clamping block (44) is provided with an oblique sliding groove (47) in a penetrating mode, one end of the guide column (46) is movably arranged in the oblique sliding groove (47) and can drive the clamping block (44) to extend out of the clamping groove (49), and clamping points (48) capable of fixing the shifting block (201) are arranged on two sides of the inner wall of the first groove (41).

5. A wrench as claimed in claim 2, wherein a pull ring (51) is provided at the upper end of the driver block (201).

6. A wrench as claimed in any one of claims 1 to 5, characterised in that a retaining plate (61) is provided at the front end of the cavity (4), and tension springs (62) are provided between the retaining plate (61) and the movable block (6) at intervals.