CN215847876U

CN215847876U - Convenient wrench

Info

Publication number: CN215847876U
Application number: CN202121746968.0U
Authority: CN
Inventors: 陈华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-18
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a convenient spanner, which comprises a main handle and an auxiliary handle, wherein one end of the auxiliary handle is positioned in the main handle, the other end of the auxiliary handle is positioned outside the main handle, and a long-strip opening for the auxiliary handle to move up and down is arranged on one side of the main handle; a fixed shaft penetrating through the auxiliary handle is arranged in the main handle, so that the auxiliary handle can rotate around the fixed shaft; a first return tension spring is arranged on the auxiliary handle, and the other end of the first return tension spring is fixedly connected with the main handle; bolts with different sizes can be clamped by pressing the auxiliary handles to different degrees, and the piston rod can be moved by rotating the adjusting nut, so that the bolt with smaller size can be clamped, and the clamping device is simple to operate and convenient to apply; the first jaw and the second jaw are provided with saw-toothed protrusions which can clamp a round workpiece; the clamping part of the wrench is movable, so that the special-shaped workpiece can be conveniently clamped.

Description

Convenient wrench

Technical Field

The utility model relates to the technical field of wrenches, in particular to a convenient and applicable wrench.

Background

The spanner is a common mounting and dismounting tool, which is a manual tool for tightly clamping an opening or a trepanning of a bolt or a nut by utilizing a lever principle to turn the bolt, the screw, the nut and other threads, is usually made of structural steel made of carbon or alloy materials, is usually provided with the opening or the trepanning for clamping the bolt or the nut at one end or two ends of a handle part, and can turn the bolt or the nut by applying external force on the handle part along the thread rotating direction when in use, the spanner is basically divided into two types, namely a dead spanner and a monkey spanner, wherein the former refers to a spanner which is fixed and used for digital writing, the latter is a monkey spanner, the dead spanner, one end or two ends of the monkey spanner are provided with openings with fixed sizes for turning the nut or the bolt with a certain size, the double offset ring spanner, two ends of the working end with a hexagonal hole or a dodecagonal hole is suitable for working spaces and occasions where the common spanner cannot be used, one end of the dual-purpose wrench is the same as the single solid wrench, the other end of the dual-purpose wrench is the same as the double offset ring spanner, and bolts or nuts with the same specification are screwed at the two ends of the dual-purpose wrench.

The existing wrenches are all fixed in size aiming at the bolts, different wrenches are required to be replaced aiming at different bolts, and therefore the operation is complex and the cost is too high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the wrench provided by the utility model solves the problem that the existing wrench cannot be suitable for bolts with different sizes.

In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that:

the convenient spanner comprises a main handle and an auxiliary handle movably arranged in the main handle, wherein a piston piece penetrating out of the bottom of the main handle is arranged in the main handle, and the bottom of the piston piece is connected with a first jaw; the bottom of the main handle is also provided with a second jaw opening opposite to the first jaw opening; the auxiliary handle drives the piston piece to move linearly in the main handle.

Further, the piston piece comprises a piston rod, an adjusting nut and a moving piece; the adjusting nut is rotatably arranged on the moving part, an external thread is arranged on the outer wall of the piston rod, the piston rod is connected with the adjusting nut through the thread, the auxiliary handle drives the moving part to move, and a limiting mechanism is arranged between the piston rod and the main handle or the connecting part, so that the piston rod cannot rotate relative to the moving part.

Furthermore, the bottom of the main handle is connected with an unsealed annular frame, the second web is arranged on the annular frame, the annular frame is divided into two sections, one end of each of the two sections of annular frames is connected through a pin shaft, the other end of one section of annular frame is fixedly connected with the main handle, and the other end of the other section of annular frame is provided with a limiting bulge; the lower part of the main handle is provided with an annular frame limiting component; the annular frame limiting assembly comprises a limiting column, and the bottom of the limiting column faces towards the limiting bulge and is a tip; the tip end of the limiting column is arranged between the limiting bulge and the main handle to limit the position of the annular frame; the limiting column is connected with a height adjusting mechanism for adjusting the height of the limiting column.

Furthermore, the auxiliary handle is a pressing type auxiliary handle relative to the main handle, one end of the auxiliary handle is positioned outside the main handle, and the other end of the auxiliary handle is rotatably arranged in the main handle through a fixed shaft; the auxiliary handle drives the moving part to move linearly through the connecting piece, the connecting piece comprises a pushing column and a return tension spring, an arc-shaped bulge which is in contact with the top of the pushing column is arranged at the rotatable end of the auxiliary handle, a first return tension spring is arranged between the auxiliary handle and the main handle, and a second return tension spring is arranged between the pushing column and the main handle; the bottom of the pushing column is in contact with the moving part.

Furthermore, the moving part is a pushing block, the pushing block is arranged on the main handle in a sliding mode, and the adjusting nut penetrates through the pushing block and is arranged on the pushing block in a rotating mode.

Heightening mechanism includes the screw rod that one side of spacing post set up is provided with the nut on the screw rod, is equipped with the rectangular opening that supplies the screw rod to move about from top to bottom on the main handle, and rectangular open-ended width is less than the diameter of nut, is equipped with return spring between spacing top of the post portion and the main handle.

Further: the included angle between the first jaw and the second jaw is 120 degrees.

Further: the first web and the second web are provided with saw-toothed protrusions.

The utility model has the beneficial effects that:

bolts with different sizes can be clamped by pressing the auxiliary handles to different degrees, and the piston rod can be moved by rotating the adjusting nut, so that the bolt with smaller size can be clamped, and the clamping device is simple to operate and convenient to apply; the first jaw and the second jaw are provided with saw-toothed protrusions which can clamp the round part; the clamping part of the wrench is movable, so that the special-shaped part can be conveniently clamped.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

Wherein: 1. a main handle; 2. an auxiliary handle; 3. a first return tension spring; 4. a second return tension spring; 5. pushing the column; 6. a pushing block; 7. an arc-shaped bulge; 8. a chamber; 9. adjusting the nut; 10. a piston rod; 11. a first tiger's mouth; 12. a second web; 13. an external thread; 14. Fixing a shaft; 15. a limiting bulge; 16. a shaft pin; 17. a limiting column; 18. a screw; 19. a protrusion; 20. an annular frame; 21. a first slider; 22. a chute; 23. and a second slider.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.

Example (b):

as shown in figure 1, a convenient spanner comprises a main handle 1 and an auxiliary handle 2, wherein one end of the auxiliary handle 2 is positioned in the main handle 1, and the other end of the auxiliary handle 2 is positioned outside the main handle 1; one side of the main handle 1 is provided with a long-strip opening for the auxiliary handle 2 to move up and down, and a fixed shaft 14 penetrating through the auxiliary handle 2 is arranged in the main handle 1, so that the auxiliary handle 2 can rotate around the fixed shaft 14; one end of a first return tension spring 3 is arranged on the auxiliary handle 2, and the other end of the first return tension spring 3 is fixedly connected with the main handle 1.

The main handle 1 is divided into an upper section and a lower section, and a pushing block 6 is sleeved between the two sections of main handles, so that the pushing block 6 can slide relative to the two sections of main handles. The auxiliary handle 2 is arranged in the upper section main handle. The bottom of the lower section main handle is fixedly connected with an annular frame 20. The outer wall of the part, located in the upper-section main handle, of the pushing block 6 is provided with a first sliding block 21, and the inner wall of the upper-section main handle is provided with a sliding groove 22 matched with the first sliding block 21, so that the pushing block 6 can only move vertically relative to the upper-section main handle.

An arc-shaped bulge 7 is arranged at one end of the auxiliary handle 2, which is positioned in the upper-section main handle, a pushing column 5 is arranged in the upper-section main handle, and the top end of the pushing column 5 is contacted with the arc-shaped bulge 7; one end of a second return tension spring 4 is arranged on the pushing column 5, the other end of the second return tension spring 4 is fixedly connected with the main handle 1, the pushing block 6 is fixedly arranged at the lower end of the pushing column 5, and a cavity 8 is arranged in the pushing block 6;

a piston rod 10 is arranged in the cavity 8, an external thread 13 is arranged at the upper part of the piston rod 10, an adjusting nut 9 is arranged on the external thread 13, the adjusting nut 9 is fixed on the pushing block 6, and the lower end of the piston rod 10 penetrates through the lower section main handle, is positioned in the annular frame 20 and is provided with a first tiger mouth 11; a second web 12 opposite to the first web 11 is arranged on the annular frame 20, and the included angle between the first web 11 and the second web 12 is 120 degrees; the first web 11 and the second web 12 form a gripping member of the wrench.

As a preferable mode, the adjusting nut 9 penetrates through the pushing block 6 and is rotatably connected with the pushing block 6, which is a common setting mode of machinery, and this embodiment does not describe in detail the setting mode, so that the adjusting nut 9 can be directly rotated outside the pushing block 6, and the piston rod 10 is further moved up and down. Certainly, the second pushing device 10 is provided with two second sliding blocks 23 oppositely, and two matched vertical sliding grooves are arranged in the lower-section main handle; the second slider 23 is located in the slide groove so that the piston rod 10 can only move vertically.

In the use process, a bolt to be screwed is placed into a clamping part formed by the first jaw 11 and the second jaw 12, then the auxiliary handle 2 is pressed downwards, the auxiliary handle 2 rotates around the fixed shaft 14, the pushing column 5 pushes the pushing block 6 downwards under the pushing of the arc-shaped protrusion 7, the piston rod 10 is driven to move downwards along with the pushing block 6 integrally, and the first jaw 11 and the second jaw 12 can clamp bolts of different sizes. Preferably, for more flexibility of use. The first web 11 and the second web 12 may be provided with saw-toothed protrusions for gripping round workpieces.

When a small bolt cannot be clamped by pressing the auxiliary handle 2, the adjusting nut 9 can be rotated, the position of the adjusting nut 9 is fixed, and the piston rod 10 can move downwards further to clamp the bolt. After the use is finished, the auxiliary handle 2 is loosened, the piston rod 10 moves upwards under the reset action of the second return tension spring 4, the clamping force of the first jaw 11 and the second jaw 12 on the bolt can be relieved, and the use is convenient and applicable.

In order to hold some special-shaped workpieces with wider upper end diameters and suitable middle and lower end diameters for the wrench, the utility model has the following design.

The annular frame 20 is provided with a shaft pin 16, the annular frame 20 is not closed, one open end of the annular frame 20 is fixedly connected with the lower section main handle, and the other open end of the annular frame 20 is provided with a limiting bulge 15 which is contacted with the lower section main handle. The cavity has been seted up to the lower extreme of hypomere main handle, is provided with spacing post 17 in the cavity, and the toper end of spacing post 17 contacts with spacing arch 15, and it sets up between spacing arch 15 and cavity wall for spacing arch 15 can not break away from the contact with hypomere main handle easily. A spring is arranged between the upper end of the limiting column 17 and the cavity, a screw 18 is arranged on one side of the limiting column 17, a nut is arranged on the screw 18, a strip-shaped opening for the screw 18 to move up and down is arranged on the main handle 1, and the width of the strip-shaped opening is smaller than the diameter of the nut.

Specifically, when a special-shaped workpiece needs to be clamped, the nut is unscrewed, the screw 18 is moved upwards, the screw 18 drives the limiting column 17 to move upwards, the limiting column 17 cannot limit the position at the moment, and then the limiting protrusion 15 is manually pulled outwards to be separated from contact with the lower section main handle. Under the action of the shaft pin 16, one end of the limiting bulge 15 can leave the main handle 1, the special-shaped part is placed into a cavity formed by the first jaw 11 and the second jaw 12, the limiting bulge 15 is attached to the main handle 1, the conical column 17 is pulled downwards until the conical column abuts against the limiting bulge 15, and the special-shaped workpiece can be clamped by screwing the nut.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a be suitable for convenient spanner which characterized in that: the hand-operated electric wrench comprises a main handle (1) and an auxiliary handle (2) movably arranged in the main handle (1), wherein a piston piece penetrating out of the bottom of the main handle (1) is arranged in the main handle (1), and the bottom of the piston piece is connected with a first jaw (11); the bottom of the main handle (1) is also provided with a second tiger mouth (12) which is opposite to the first tiger mouth (11); the auxiliary handle (2) drives the piston piece to move linearly in the main handle (1).

2. A convenient wrench as claimed in claim 1, wherein: the piston piece comprises a piston rod (10), an adjusting nut (9) and a moving piece; adjusting nut (9) rotatable setting is on the motion piece, the piston rod outer wall is equipped with external screw thread (13), piston rod (10) have adjusting nut (9) through threaded connection, vice handle (2) drive motion piece motion, be equipped with stop gear between piston rod (10) and main handle (1) or the connecting piece for piston rod (10) can not rotate for the motion piece.

3. A convenient wrench as claimed in claim 1, wherein: the bottom of the main handle (1) is connected with an unsealed annular frame (20), the second tiger's mouth (12) is arranged on the annular frame (20), the annular frame (20) is divided into two sections, one end of each section of annular frame is connected through a pin shaft (16), the other end of each section of annular frame is fixedly connected with the main handle (1), and the other end of each section of annular frame is provided with a limiting bulge (15); the lower part of the main handle (1) is provided with an annular frame limiting component; the annular frame limiting assembly comprises a limiting column (17), and the bottom of the limiting column (17) faces the limiting bulge (15) and is a tip; the tip end of the limiting column (17) is arranged between the limiting bulge (15) and the main handle (1) to limit the position of the annular frame (20); the limiting column (17) is connected with a height adjusting mechanism for adjusting the height of the limiting column (17).

4. A convenient wrench as claimed in claim 2, wherein: the auxiliary handle (2) is a pressing type auxiliary handle relative to the main handle (1), one end of the auxiliary handle (2) is positioned outside the main handle (1), and the other end of the auxiliary handle is rotatably arranged in the main handle (1) through a fixed shaft (14); the auxiliary handle (2) drives the moving part to move linearly through the connecting piece, the connecting piece comprises a pushing column (5) and a return tension spring, an arc-shaped bulge (7) which is in contact with the top of the pushing column (5) is arranged at the rotatable end of the auxiliary handle (2), a first return tension spring (3) is arranged between the auxiliary handle (2) and the main handle (1), and a second return tension spring (4) is arranged between the pushing column (5) and the main handle (1); the bottom of the pushing column (5) is contacted with the moving piece.

5. A convenient wrench as claimed in claim 4, wherein: the motion piece is a pushing block (6), the pushing block (6) is arranged on the main handle (1) in a sliding mode, and the adjusting nut (9) penetrates through the pushing block (6) and is arranged on the pushing block in a rotating mode.

6. A convenient wrench as claimed in claim 3, wherein: heightening mechanism includes screw rod (18) that one side of spacing post (17) set up, be provided with the nut on screw rod (18), the last rectangular opening that supplies screw rod (18) to move about from top to bottom that is equipped with of main handle, rectangular open-ended width is less than the diameter of nut, be equipped with return spring between spacing post (17) top and main handle (1).

7. A convenient wrench as claimed in claim 1, wherein: the included angle between the first jaw opening (11) and the second jaw opening (12) is 120 degrees.

8. A convenient wrench as claimed in claim 1, wherein: the first jaw opening (11) and the second jaw opening (12) are provided with sawtooth-shaped protrusions (19).