CN219426663U

CN219426663U - Open spanner of adjustable atress part length

Info

Publication number: CN219426663U
Application number: CN202223324805.0U
Authority: CN
Inventors: 润腾龙
Original assignee: Xi'an Fuyu Industry And Trade Co ltd
Current assignee: Xi'an Fuyu Industry And Trade Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-28
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an open spanner capable of adjusting the length of a stressed part, which comprises a spanner, wherein the surface of the spanner is respectively provided with a holding part and a clamping part; the holding part comprises an extension rod fixedly connected to the left end of the spanner, an extension grab handle is arranged on the surface of the extension rod, and a positioning assembly is arranged between the extension grab handle and the extension rod; the clamping part comprises a fixed chuck fixedly connected to the right end of the spanner. This adjustable atress part length's open spanner rotates the regulating wheel, adjusts the position of moving the chuck, reaches the purpose that utilizes this open spanner centre gripping object, and in the use, the user holds and extends the grab handle and operate this open spanner, stirs the pin pole, makes pin pole and locating hole separation, and the surface slip at the extension pole extends the grab handle afterwards, can reach the purpose of adjusting this open spanner's atress part length, after the adjustment, under supporting spring's elasticity effect, the pin pole can insert the inside locating hole fast and realize the location, and adjustment efficiency is high.

Description

Open spanner of adjustable atress part length

Technical Field

The utility model relates to the technical field of wrenches, in particular to an open-ended wrench with adjustable stressed component length.

Background

The wrench is a common installation and disassembly tool. A hand tool for tightening the openings or trepanning fasteners of bolts, screws, nuts and other threads using lever principles.

Through searching, the prior patent (publication number: CN 216098633U) discloses an open spanner with adjustable stress part length, when in use, a threaded limiting rod is unscrewed through a connecting block, the threaded limiting rod exits from the inner cavity of a limiting groove, a spanner is pulled to the right side by people, the spanner drives the extending rod to be pulled to the right side, the extending rod drives a second sliding block to slide to the right side in the inner cavity of a first sliding groove, after the extending rod extends to a proper length, the threaded limiting rod is screwed through the connecting block, the threaded limiting rod is inserted into the inner cavity of the limiting groove to limit, the purpose of adjustable stress part length is achieved, and the problem that the use requirement of people cannot be met because the conventional spanner does not have the function of adjustable stress part length is solved. However, the inventors have found that the prior art has the following problems in the implementation of the present utility model: 1. the length of the handle is adjusted to achieve the aim of saving labor in use, but the adjustment is performed in a mode of screwing the threaded limiting rod when the length of the handle is adjusted, so that the adjustment speed is low; 2. the existing open spanner with adjustable stress part length has the defects that the contact area with the cylindrical structure surface is small due to the fact that the clamp block length is too short when the open spanner is required to clamp the thicker cylindrical structure surface, so that clamping is unstable and force application is difficult.

Therefore, an open spanner with adjustable stress part length is provided for solving the problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides an open-ended wrench with adjustable length of a force-receiving member, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the open spanner with the adjustable stress part length comprises a spanner head, wherein the surface of the spanner head is respectively provided with a holding part and a clamping part;

the holding part comprises an extension rod fixedly connected to the left end of the spanner, an extension grab handle is arranged on the surface of the extension rod, a positioning component is arranged on the surface of the extension grab handle, the positioning component comprises a fixed sleeve fixedly arranged on the surface of the extension grab handle, the top end of the fixed sleeve is slidably connected with a pin rod, a plurality of positioning holes are formed in the surface of the extension rod, and the pin rod is inserted into the positioning holes;

the clamping part comprises a fixed chuck fixedly connected to the right end of the spanner, the right end of the spanner is slidably connected with a movable chuck through a sliding groove, the fixed chuck is matched with the movable chuck, an adjusting assembly is arranged between the spanner and the movable chuck and comprises an adjusting wheel rotationally connected to the surface of the spanner, extension assemblies are arranged on the surfaces of the movable chuck and the fixed chuck, each extension assembly comprises a transverse groove formed in the surfaces of the movable chuck and the fixed chuck, and a transverse extension clamping block is slidably connected to the inner portion of each transverse groove.

Preferably, the right end of the extension grab handle is provided with a telescopic groove, the extension rod is in sliding connection with the extension grab handle through the telescopic groove, and the surface of the extension grab handle is provided with a through hole.

Preferably, the positioning assembly further comprises a supporting spring fixedly arranged in the fixing sleeve and used for driving the pin rod to be clamped with the positioning hole.

Preferably, the surface of the adjusting wheel is provided with a thread tooth, the surface of the movable chuck is provided with a thread groove, and the thread tooth is matched with the thread groove.

Preferably, the right end of the transversely extending clamping block is rotationally connected with an adjusting screw, the adjusting screw is an inner hexagonal screw, the inner walls of the movable clamping head and the fixed clamping head in the transverse groove are fixedly connected with a mounting cylinder, the right end of the mounting cylinder is provided with an inner thread groove, and the right end of the mounting cylinder is in threaded connection with the adjusting screw.

Preferably, the surfaces of the movable clamping head, the fixed clamping head and the transversely extending clamping block are provided with anti-skid grooves.

The utility model has the technical effects and advantages that:

1. compared with the prior art, this adjustable atress part length's open spanner is when using, through rotating the regulating wheel, adjust the position of moving the chuck, reach the purpose that utilizes this open spanner centre gripping object, in the use, the user holds and extends the grab handle and operate this open spanner, stir the pin pole, make pin pole and locating hole separation, then slide at the surface of extension pole and extend the grab handle, can reach the purpose of adjusting this open spanner's atress part length, after the adjustment, under the elasticity effect of supporting spring, the pin pole can insert the locating hole inside fast and realize the location, the regulating efficiency is high.

2. Compared with the prior art, the open spanner with adjustable stress part length can drive the transversely extending clamping block to move in the direction away from the spanner head by arranging the extending assembly and utilizing the external inner hexagon to rotate the adjusting screw, so that the aim of increasing the clamping area can be fulfilled when thicker cylindrical workpieces are clamped, the firmness and stability of the open handle during clamping and force application are improved, and the use mode is flexible.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a perspective two-dimensional structure of the present utility model.

Fig. 3 is a schematic side sectional view of the fixed chuck.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

Fig. 5 is a schematic view of a cut-away structure of the fixing sleeve.

The reference numerals are: 1. a spanner; 2. an extension rod; 3. an extension handle; 4. a fixed chuck; 5. a movable chuck; 6. a through hole; 7. positioning holes; 8. a fixed sleeve; 9. a pin rod; 10. a support spring; 11. an adjusting wheel; 12. a laterally extending clamp block; 13. adjusting a screw; 14. a mounting cylinder; 15. an anti-skid slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

An open spanner with adjustable stress part length as shown in figures 1-5 comprises a spanner head 1, wherein the surface of the spanner head 1 is respectively provided with a holding part and a clamping part.

The holding part comprises an extension rod 2 fixedly connected to the left end of the spanner 1, an extension grab handle 3 is arranged on the surface of the extension rod 2, a telescopic groove is formed in the right end of the extension grab handle 3, the extension rod 2 is in sliding connection with the extension grab handle 3 through the telescopic groove, and a through hole 6 is formed in the surface of the extension grab handle 3.

And a positioning component is arranged between the extension grab handle 3 and the extension rod 2.

The locating component comprises a plurality of locating holes 7 transversely formed in the surface of the extension rod 2, a fixing sleeve 8 is fixedly arranged on the surface of the extension handle 3, a pin rod 9 is slidably connected to the top end of the fixing sleeve 8, the pin rod 9 is inserted into the locating holes 7, and a supporting spring 10 for driving the pin rod 9 to clamp the locating holes 7 is arranged in the fixing sleeve 8.

The clamping part comprises a fixed chuck 4 fixedly connected to the right end of the spanner 1, a movable chuck 5 is slidably connected to the right end of the spanner 1 through a chute, and the fixed chuck 4 is matched with the movable chuck 5.

An adjusting component is arranged between the spanner 1 and the movable chuck 5.

The adjusting component comprises an adjusting wheel 11 which is rotationally connected to the surface of the spanner 1, a thread tooth is arranged on the surface of the adjusting wheel 11, a thread groove is formed in the surface of the movable chuck 5, and the thread tooth is matched with the thread groove.

The part to be operated is arranged between the movable chuck 5 and the fixed chuck 4, a user holds the extension grab handle 3 to operate the open-ended wrench, the position of the movable chuck 5 is adjusted by rotating the adjusting wheel 11, the object is clamped by the open-ended wrench, and the external part can be disassembled or assembled.

According to the needs of using, stir pin rod 9, make pin rod 9 and locating hole 7 separation, then slide at the surface of extension rod 2 and extend grab handle 3, can reach the purpose of adjusting the atress part length of this open ended wrench, increase the length of exerting the arm promptly, can be more laborsaving when using, after the adjustment, under the elasticity effect of supporting spring 10, pin rod 9 can insert locating hole 7 inside realization location fast, and adjustment efficiency is high.

The surfaces of the movable chuck 5 and the fixed chuck 4 are provided with extension components.

The extension assembly comprises a transverse groove formed in the surfaces of the movable clamping head 5 and the fixed clamping head 4, a transverse extension clamping block 12 is connected to the inside of the transverse groove in a sliding mode, an adjusting screw 13 is rotatably connected to the right end of the transverse extension clamping block 12, the adjusting screw 13 is an inner hexagonal screw, the movable clamping head 5 and the fixed clamping head 4 are fixedly connected with a mounting cylinder 14 on the inner wall of the transverse groove, an inner thread groove is formed in the right end of the mounting cylinder 14, and the right end of the mounting cylinder 14 is in threaded connection with the adjusting screw 13.

When the open-end wrench is required to be used for clamping a thicker object, the external inner hexagon is utilized to rotate the adjusting screw 13, so that the transversely extending clamping block 12 can be driven to move in the direction away from the wrench head 1, the purpose of increasing the clamping area can be achieved when the thicker cylindrical workpiece is clamped, the firmness and stability of the open-end wrench during clamping and force application are improved, and the use mode is flexible.

The surfaces of the movable clamping head 5, the fixed clamping head 4 and the transversely extending clamping block 12 are provided with anti-skid grooves 15, and stability of the clamping part can be further improved by arranging the anti-skid grooves 15.

The working process of the utility model is as follows:

firstly, when the open spanner with adjustable stress part length is used, a user holds the extension grab handle 3 to operate the open spanner, the position of the movable clamping head 5 is adjusted through rotating the adjusting wheel 11, the object is clamped by the open spanner, then the external part is rotated through the extension grab handle 3, the pin rod 9 is separated from the positioning hole 7 through stirring the pin rod 9, then the open spanner 3 is slidingly extended on the surface of the extension rod 2, the object of adjusting the stress part length of the open spanner can be achieved, the length of the stress arm is increased, after the adjustment is finished, the pin rod 9 can be quickly inserted into the positioning hole 7 under the action of the elasticity of the supporting spring 10 to achieve the purpose of repositioning, the adjustment efficiency is high, when a thicker object is required to be clamped, the external inner hexagon is utilized to rotate the adjusting screw 13, the transverse extension clamping block 12 can be driven to move towards the direction away from the spanner head 1, thereby the purpose of increasing the clamping area can be achieved when the thicker cylindrical workpiece is clamped, the firmness and the stability of clamping during using the open spanner and the application of force are improved, and the use mode is flexible.

This is the working principle of the open spanner with adjustable stress part length.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. An open spanner with adjustable atress part length, includes spanner (1), its characterized in that: the surface of the spanner (1) is respectively provided with a holding part and a clamping part;

the holding part comprises an extension rod (2) fixedly connected to the left end of the spanner (1), an extension grab handle (3) is arranged on the surface of the extension rod (2), a positioning component is arranged on the surface of the extension grab handle (3), the positioning component comprises a fixed sleeve (8) fixedly arranged on the surface of the extension grab handle (3), the top end of the fixed sleeve (8) is slidably connected with a pin rod (9), a plurality of positioning holes (7) are formed in the surface of the extension rod (2), and the pin rod (9) is inserted into the positioning holes (7);

the clamping part comprises a fixed chuck (4) fixedly connected to the right end of the wrench head (1), the right end of the wrench head (1) is slidably connected with a movable chuck (5) through a sliding groove, an adjusting component is arranged between the wrench head (1) and the movable chuck (5) and comprises an adjusting wheel (11) rotatably connected to the surface of the wrench head (1), extension components are arranged on the surfaces of the movable chuck (5) and the fixed chuck (4), each extension component comprises a transverse groove formed in the surfaces of the movable chuck (5) and the fixed chuck (4), and a transversely extending clamping block (12) is slidably connected to the inside of each transverse groove.

2. The open ended wrench of claim 1 wherein the adjustable force member length comprises: the right end of the extension grab handle (3) is provided with a telescopic groove, the extension rod (2) is in sliding connection with the extension grab handle (3) through the telescopic groove, and the surface of the extension grab handle (3) is provided with a through hole (6).

3. The open ended wrench of claim 1 wherein the adjustable force member length comprises: the positioning assembly further comprises a supporting spring (10) fixedly installed inside the fixing sleeve (8) and used for driving the pin rod (9) to be clamped with the positioning hole (7).

4. The open ended wrench of claim 1 wherein the adjustable force member length comprises: the surface of the adjusting wheel (11) is provided with thread teeth, the surface of the movable chuck (5) is provided with thread grooves, and the thread teeth are matched with the thread grooves.

5. The open ended wrench of claim 1 wherein the adjustable force member length comprises: the right end of the transversely extending clamping block (12) is rotationally connected with an adjusting screw (13), the adjusting screw (13) is an inner hexagonal screw, the inner walls of the movable clamping head (5) and the fixed clamping head (4) in the transverse grooves are fixedly connected with an installation cylinder (14), the right end of the installation cylinder (14) is provided with an inner thread groove, and the right end of the installation cylinder (14) is in threaded connection with the adjusting screw (13).

6. The adjustable force member length open ended wrench of claim 5 wherein: anti-skid grooves (15) are formed in the surfaces of the movable clamping head (5), the fixed clamping head (4) and the transversely extending clamping blocks (12).