CN110977845A

CN110977845A - Adjustable spanner

Info

Publication number: CN110977845A
Application number: CN201911414553.0A
Authority: CN
Inventors: 王加帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-10

Abstract

The invention provides an adjustable wrench, which comprises a handle, a sliding sleeve, a movable piece and a worm wheel, wherein one end of the handle is provided with a first jaw, and the other end of the handle is a holding end; the handle is provided with a worm wheel groove arranged along the length direction of the handle; the sliding sleeve is sleeved on the handle, and a second jaw matched with the first jaw is arranged on the sliding sleeve; the sliding sleeve is provided with a first through groove used for exposing the worm wheel groove; the moving part is sleeved on the sliding sleeve and is provided with a second through groove superposed with the first through groove; the movable piece is used for moving along the length direction vertical to the sliding sleeve under the action of external force; the worm wheel is rotatably connected in the second through groove and is used for being meshed with the worm wheel groove. The adjustable wrench provided by the invention realizes the quick adjustment of the jaw of the adjustable wrench, and effectively improves the working efficiency of users.

Description

Adjustable spanner

Technical Field

The invention belongs to the technical field of hardware tools, and particularly relates to an adjustable wrench.

Background

The adjustable wrench is a common mounting and dismounting tool, the opening width of the adjustable wrench can be adjusted within a certain range, the adjustable wrench is a common tool used by maintenance workers for fastening and loosening nuts and bolts with different specifications,

current adjustable spanner function singleness, and most adjust through screw transmission such as rotating worm wheel or lead screw, this kind of regulation mode wastes time and energy, influences operation personnel's work efficiency.

Disclosure of Invention

The invention aims to provide an adjustable wrench, and aims to solve the technical problems that the adjusting mode of the existing adjustable wrench is time-consuming and labor-consuming, and the working efficiency of workers is influenced.

In order to achieve the purpose, the invention adopts the technical scheme that: providing an adjustable wrench comprising: a handle, one end of which is provided with a first jaw and the other end of which is a holding end; the handle is provided with a worm wheel groove arranged along the length direction of the handle;

the sliding sleeve is sleeved on the handle, and a second jaw matched with the first jaw is arranged on the sliding sleeve; the sliding sleeve is provided with a first through groove used for exposing the worm wheel groove;

the moving piece is sleeved on the sliding sleeve, and a second through groove superposed with the first through groove is formed in the moving piece; the movable piece is used for moving along the length direction vertical to the sliding sleeve under the action of external force; and

and the worm wheel is rotatably connected in the second through groove and is used for being meshed with the worm wheel groove.

As another embodiment of the application, a limiting protrusion for blocking the movable piece from moving along the length direction of the sliding sleeve relative to the sliding sleeve is arranged on the sliding sleeve.

As another embodiment of the present application, the movable member includes:

the fixed frame is sleeved on the sliding sleeve; one end of the fixing frame is provided with the second through groove, and the other end of the fixing frame is an opening end;

the extrusion block is detachably connected with the opening end of the fixed frame; and

the reset spring is arranged between the extrusion block and the sliding sleeve, one end of the reset spring is connected with the lower end face of the extrusion block, and the other end of the reset spring is connected with the sliding sleeve.

As another embodiment of the present application, the fixing frame includes:

the first fixing plate is arranged on one side of the sliding sleeve, one end of the first fixing plate is fixedly connected with the extrusion block, the other end of the first fixing plate is a free end, and a second connecting plate used for being in rotary connection with the worm wheel is arranged on the first fixing plate;

the first connecting plate is arranged below the sliding sleeve, one end of the first connecting plate is rotatably connected with the free end of the first fixing plate, and the other end of the first connecting plate is a connecting end; and

the second fixing plate is arranged opposite to the first fixing plate and arranged on the other side of the sliding sleeve, one end of the second fixing plate is rotatably connected with the connecting end of the first connecting plate, and the other end of the second fixing plate is detachably connected with the extrusion block.

As another embodiment of the present application, the fixing frame further includes length scales, and the length scales are sequentially disposed on the first fixing plate, the first connecting plate, and the second fixing plate, and are used for measuring the length of the object when the first fixing plate, the first connecting plate, and the second fixing plate are unfolded.

As another embodiment of the application, a clamping groove is arranged on the extrusion block;

and a buckle used for being clamped with the clamping groove is arranged on the second fixing plate.

As another embodiment of the present application, a screwdriver is rotatably attached to a side of the second jaw.

As another embodiment of the application, one end of the handle, which faces away from the first jaw, is provided with a blocking piece for blocking the movement of the sliding sleeve.

As another embodiment of the application, the holding end sleeve of the handle is provided with a rubber sleeve, and sawteeth arranged along the length direction of the rubber sleeve are inserted in the rubber sleeve.

As another embodiment of the application, a fixing block fixedly connected with one end of the saw tooth is arranged on the sliding sleeve;

the blocking piece is provided with a connecting part which is fixedly connected with the other end of the sawtooth.

The adjustable wrench provided by the invention has the beneficial effects that: compared with the prior art, the adjustable wrench has the advantages that the worm wheel is separated from the worm wheel groove by applying acting force to the moving part, and then the adjustable wrench is adjusted by moving the sliding sleeve, so that the jaw of the adjustable wrench is quickly adjusted, and the operating efficiency of users is effectively improved. This adjustable spanner has two kinds of regulation modes simultaneously, and user of service can choose different regulation modes for use according to the actual work needs to adjust this adjustable spanner, has improved this adjustable spanner's application range.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an exploded view of a wrench according to an embodiment of the present invention;

FIG. 2 is a front view of the sliding sleeve of FIG. 1;

FIG. 3 is a schematic elevational view of the movable member employed in FIG. 1;

FIG. 4 is a state view of the adjustable wrench of FIG. 1 with the jaws closed;

FIG. 5 is a state view of another adjustable wrench according to an embodiment of the present invention with open jaws;

FIG. 6 is a schematic front view of another adjustable wrench according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;

FIG. 8 is a schematic side view of the rubber boot used in FIG. 6;

FIG. 9 is a side view of the saw tooth used in FIG. 6;

FIG. 10 is a schematic elevational view of the moveable member of FIG. 6 in an extended position;

fig. 11 is a schematic front view of another sliding sleeve according to an embodiment of the present invention.

In the figure: 1. a handle; 11. a first jaw; 12. a worm gear groove; 13. a blocking member; 14. lightening holes; 15. a hanging hole; 2. a sliding sleeve; 21. a second jaw; 22. a first through groove; 23. a limiting bulge; 24. a fixed block; 25. a screwdriver; 3. a movable member; 31. a second through groove; 32. a fixed mount; 321. a first fixing plate; 322. a first connecting plate; 323. a second fixing plate; 324. a second connecting plate; 325. length scales; 33. extruding the block; 34. a return spring; 4. a worm gear; 5. a rubber sleeve; 6. and (4) saw teeth.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 11, an adjustable wrench according to the present invention will now be described. The adjustable wrench comprises a handle 1, a sliding sleeve 2, a movable piece 3 and a worm wheel 4, wherein one end of the handle 1 is provided with a first jaw 11, and the other end of the handle is a holding end; the handle 1 is provided with a worm wheel groove 12 arranged along the length direction of the handle 1; the sliding sleeve 2 is sleeved on the handle 1, and a second jaw 21 matched with the first jaw 11 is arranged on the sliding sleeve 2; the sliding sleeve 2 is provided with a first through groove 22 for exposing the worm wheel groove 12; the moving part 3 is sleeved on the sliding sleeve 2, and a second through groove 31 which is superposed with the first through groove 22 is arranged on the moving part 3; the movable piece 3 is used for moving along the length direction vertical to the sliding sleeve 2 under the action of external force; the worm wheel 4 is rotatably coupled in the second through groove 31 for engagement with the worm wheel groove 12.

When using this monkey wrench, can directly rotate worm wheel 4 for worm wheel 4 drives sliding sleeve 2 and removes towards the direction of first keeping silent 11, remove one section distance after, the second is kept silent 21 and is kept silent 11 and cooperate, can carry nut and corresponding completion to the fastening operation or the dismantlement operation of nut, after fastening operation or dismantlement operation are accomplished, rotate worm wheel 4 again, make worm wheel 4 drive sliding sleeve 2 and remove along the direction that deviates from first keeping silent 11, make this monkey wrench loosen the nut.

When the adjustable wrench is used, acting force is applied to the movable piece 3, so that the movable piece 3 moves, the movement of the movable piece 3 can drive the worm wheel 4 to move, the worm wheel 4 is separated from the worm wheel groove 12, then the sliding sleeve 2 is pushed to move, the second jaw 21 is moved to an operation position, then the movable piece 3 is reset, the worm wheel 4 is meshed with the worm wheel groove 12, and then corresponding operation is performed on the nut under the matching of the second jaw 21 and the first jaw 11.

Compared with the prior art, the adjustable wrench provided by the invention has the advantages that the worm wheel 4 is separated from the worm wheel groove 12 by applying acting force to the moving part 3, and then the adjustable wrench is adjusted by moving the sliding sleeve 2, so that the jaw of the adjustable wrench is quickly adjusted, and the operating efficiency of users is effectively improved. This adjustable spanner has two kinds of regulation modes simultaneously, and user of service can choose different regulation modes for use according to the actual work needs to adjust this adjustable spanner, has improved this adjustable spanner's application range.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 4, fig. 5, and fig. 6, the sliding sleeve 2 is provided with a limiting protrusion 23 for blocking the movable element 3 from moving along the length direction of the sliding sleeve 2 relative to the sliding sleeve 2. The arrangement of the limiting bulge 23 limits the moving direction of the sliding sleeve 2, so that the sliding sleeve 2 can only move along the direction perpendicular to the length direction of the sliding sleeve 2, the stability of the connection relation between the moving part 3 and the sliding sleeve 2 is improved due to the existence of the limiting bulge 23, and the moving part 3 is prevented from being separated from the sliding sleeve 2 in the using process.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 11 together, the movable element 3 includes a fixed frame 32, a pressing block 33 and a return spring 34, the fixed frame 32 is sleeved on the sliding sleeve 2; one end of the fixing frame 32 is provided with a second through groove 31, and the other end is an opening end; the extrusion block 33 is detachably connected with the opening end of the fixed frame 32; the return spring 34 is disposed between the extrusion block 33 and the sliding sleeve 2, one end of the return spring 34 is connected to the lower end face of the extrusion block 33, and the other end is connected to the sliding sleeve 2. The user presses the extrusion block 33 to drive the return spring 34 to compress, so that the fixed frame 32 moves perpendicular to the length direction of the sliding sleeve 2, the worm wheel 4 rotatably connected to the second through groove 31 is separated from the worm wheel groove 12, the movable member 3 and the sliding sleeve 2 can move along the length direction of the handle 1, after the movable member moves to the operation position, the user does not apply an acting force to the extrusion block 33 any more, the return spring 34 can restore to the original length, the return of the return spring 34 drives the extrusion block 33 and the fixed frame 32 to move back to the original position, the worm wheel 4 is meshed with the worm wheel groove 12, and the sliding sleeve 2 and the movable member 3 do not move relative to the handle 1 any more. The reset spring 34 can automatically reset the fixed frame 32 and the extrusion block 33, thereby effectively improving the operating efficiency of the re-meshing after the worm wheel 4 and the worm wheel groove 12 are separated, and improving the working efficiency of the user using the adjustable wrench.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 10 together, the fixing frame 32 includes a first fixing plate 321, a first connecting plate 322 and a second fixing plate 323, the first fixing plate 321 is disposed at one side of the sliding sleeve 2, one end of the first fixing plate 321 is fixedly connected to the extrusion block 33, the other end is a free end, and the first fixing plate 321 is disposed with a second connecting plate 324 for rotatably connecting with the worm wheel 4; the first connecting plate 322 is disposed below the sliding sleeve 2, one end of the first connecting plate is rotatably connected to the free end of the first fixing plate 321, and the other end of the first connecting plate is a connecting end; the second fixing plate 323 is opposite to the first fixing plate 321 and disposed on the other side of the sliding sleeve 2, one end of the second fixing plate 323 is rotatably connected to the connecting end of the first connecting plate 322, and the other end is detachably connected to the pressing block 33. The fixing frame 32 is composed of a first fixing plate 321, a first connecting plate 322 and a second fixing plate 323, which facilitates the disassembly and maintenance of the fixing frame 32. The second connecting plate 324 is provided to facilitate the connection of the worm wheel 4.

As an embodiment of the present invention, please refer to fig. 6 and 10, the fixing frame 32 further includes length scales 325, and the length scales 325 are sequentially disposed on the first fixing plate 321, the first connecting plate 322, and the second fixing plate 323, and are used for measuring the length of the object when the first fixing plate 321, the first connecting plate 322, and the second fixing plate 323 are unfolded. The second fixing plate 323 is separated from the pressing block 33, and then the fixing frame 32 is separated from the sliding sleeve 2 and the first fixing plate 321, the first connecting plate 322 and the second fixing plate 323 are unfolded, at this time, the fixing frame 32 can be used as a measuring ruler to measure the length of the wall surface or the surface of other objects, and corresponding data can be obtained according to the reading of the length scale 325. The fixing frame 32 serves as a measuring ruler to be used, the function of the adjustable wrench is effectively expanded, the adjustable wrench further has the function of measuring the length, and the convenience and the application range of the adjustable wrench are improved. Meanwhile, after the fixed frame 32 is unfolded, the materials can be crushed by being matched with the worm wheel 4, and the functions of the adjustable wrench are expanded.

In this embodiment, the length of the second link plate 324 is not greater than the length of the first link plate 322, and the length of the first link plate 322 is greater than the maximum diameter of the worm wheel 4. The influence of the worm wheel 4 on the flatness of the unfolded fixing frame 32 when the fixing frame 32 is unfolded to serve as a ruler for measurement is avoided.

It should be noted that the first fixing plate 321 and the second fixing plate 323 are concave plate bodies, and the second through groove 31 is formed only when the first fixing plate 321, the first connecting plate 322 and the second fixing plate 323 are in the folded state; when the first fixing plate 321, the first connecting plate 322 and the second fixing plate 323 are in the unfolded state and serve as a straight edge for use, the second through groove 31 is not formed.

As a specific implementation manner of the embodiment of the present invention, a clamping groove is provided on the extrusion block 33; the second fixing plate 323 is provided with a buckle for being clamped with the clamping groove. The cooperation of buckle and draw-in groove has also made things convenient for the separation of second fixed plate 323 and extrusion piece 33 under the stable prerequisite of the relation of connection of extrusion piece 33 with second fixed plate 323 guaranteed.

As an embodiment of the present invention, referring to fig. 1, fig. 4, fig. 5 and fig. 6, a blocking member 13 for blocking the movement of the sliding sleeve 2 is disposed at an end of the handle 1 away from the first jaw 11. The blocking piece 13 prevents the sliding sleeve 2 from falling off the handle 1, and improves the integrity of the adjustable wrench.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 11, a screwdriver 25 is rotatably connected to a side surface of the second jaw 21. The adjustable wrench also has the function of screwing the screw to force the adjustable wrench to be in place, and the function of the adjustable wrench is expanded.

In this embodiment, a side surface of the second jaw 21 is provided with a fixing groove, and the screwdriver 25 is embedded in the fixing groove through the rotating shaft. The arrangement of the fixing groove improves the concealment of the screwdriver 25 and avoids the influence on the mutual matching of the first jaw 11 and the second jaw 21 caused by the existence of the screwdriver 25.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6 to 9, wherein the holding end of the handle 1 is sleeved with a rubber sleeve 5, and a saw tooth 6 is inserted into the rubber sleeve 5 and arranged along the length direction of the rubber sleeve 5. The rubber sleeve 5 improves the holding feeling of the adjustable wrench. The arrangement of the saw teeth 6 widens the functions of the adjustable wrench and expands the application range of the adjustable wrench. The sawtooth 6 is inserted in the rubber sleeve 5, so that the concealment of the sawtooth 6 is improved, and the sawtooth 6 is prevented from causing accidental injury to users.

In this embodiment, the rubber sleeve 5 is provided with grooves along the length for the insertion of the saw teeth 6.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, a fixing block 24 for fixedly connecting with one end of the saw tooth 6 is disposed on the sliding sleeve 2; the blocking piece 13 is provided with a connecting part for fixedly connecting with the other end of the sawtooth 6. The existence of the fixing block 24 and the connecting part facilitates the fixing and limiting of the saw teeth 6, so that the adjustable wrench can also serve as a steel saw for use.

In this embodiment, the connecting portion and the fixing block 24 are respectively connected to the saw teeth 6 through a bolt structure, and both ends of the saw teeth 6 are respectively provided with a through hole for a bolt to pass through.

In the present embodiment, the handle body of the handle 1 is provided with a lightening hole 14 for lightening the weight of the handle 1.

In this embodiment, the gripping end of the handle 1 is provided with a hanging hole 15 for facilitating the suspension of the adjustable wrench. In this embodiment, the hanging hole 15 may have a polygonal, circular, arc, quincunx configuration, and the hanging hole 15 may be a polygonal, arc, or quincunx configuration, and may serve as a dismounting hole for dismounting the bolt. When the adjustable spanner is used for disassembling the bolt, the suspension hole 15 can be sleeved on the bolt, and then the bolt is screwed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An adjustable wrench, comprising:

a handle, one end of which is provided with a first jaw and the other end of which is a holding end; the handle is provided with a worm wheel groove arranged along the length direction of the handle;

2. An adjustable wrench as claimed in claim 1, wherein: the sliding sleeve is provided with a limiting bulge used for blocking the moving piece from moving along the length direction of the sliding sleeve relative to the sliding sleeve.

3. An adjustable wrench as claimed in claim 1, wherein said movable member comprises:

4. An adjustable wrench as claimed in claim 3, wherein said holder comprises:

5. An adjustable wrench as claimed in claim 4, wherein: the fixing frame further comprises length scales, and the length scales are sequentially arranged on the first fixing plate, the first connecting plate and the second fixing plate and used for measuring the length of an object when the first fixing plate, the first connecting plate and the second fixing plate are unfolded.

6. An adjustable wrench as claimed in claim 4, wherein: a clamping groove is formed in the extrusion block;

7. An adjustable wrench as claimed in claim 1, wherein: and a screwdriver is rotatably connected to the side surface of the second jaw.

8. An adjustable wrench as claimed in claim 1, wherein: one end of the handle, which is far away from the first jaw, is provided with a blocking piece for blocking the sliding sleeve from moving.

9. An adjustable wrench as claimed in claim 8, wherein: the handle is characterized in that a rubber sleeve is arranged at the holding end sleeve of the handle, and sawteeth arranged along the length direction of the rubber sleeve are inserted in the rubber sleeve.

10. An adjustable wrench as claimed in claim 9, wherein: the sliding sleeve is provided with a fixing block which is fixedly connected with one end of the saw tooth;