CN220279492U - Spanner wrench - Google Patents

Abstract

The utility model discloses a wrench, which comprises: the ratchet wrench comprises a ratchet wrench opening head and a torsion handle, wherein the ratchet wrench opening head is provided with a clamping space, one end of the torsion handle is connected with the ratchet wrench head, and the torsion handle is used for controlling applied torsion. According to the wrench, the opening head of the ratchet wrench with the ratchet is connected with the torsion handle capable of controlling torsion, so that one wrench has the dual effects of torsion setting and ratchet. When the torque control device is used, a ratchet wheel can enable a user not to detach a spanner but to continuously tighten the nut, a torque handle can set the torque for tightening, and when the torque is reached, the force is prompted or unloaded, so that the tightening torque is controlled more accurately.

Description

Spanner wrench

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a wrench.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

Currently, only an open torque wrench and an open ratchet wrench with single functions exist in the open wrench industry, wherein the open wrench with the ratchet effect comprises an open plum blossom ratchet wrench, a flaring gear wrench and a pointed tail universal wrench, namely, the existing open wrench can only have one of the functions of increasing torque or ratchet effect, so that the open torque wrench is difficult to use in part of actual production working conditions, and the staff load intensity is high. In addition, after the open torque wrench in the prior art performs a certain-angle fastening operation, the torque wrench needs to be plugged into and pulled out of a workpiece again to perform angle adjustment, and the operation is inconvenient and the operation efficiency is low when repeated operations are performed. In addition, the open torque wrench in the prior art does not limit the nut, and the wrench is easy to slide out of the nut during operation.

Disclosure of Invention

The utility model aims to at least solve the problem of high use load caused by single function of the existing spanner. The aim is achieved by the following technical scheme:

the utility model proposes a wrench comprising:

the ratchet wrench opening head is provided with a clamping space for clamping the nut;

and one end of the torsion handle is detachably connected with the ratchet wrench opening head, and the torsion handle is used for controlling torsion applied to the nut.

According to the wrench, the opening head of the ratchet wrench with the ratchet is connected with the torsion handle capable of controlling torsion, so that one wrench has the dual effects of torsion setting and ratchet. When the torque control device is used, the ratchet wheel can enable a user not to detach the wrench and continuously work to tightly grip the nut, the torque handle can set the torque for tightly gripping, and when the torque is reached, the force is prompted or unloaded, so that the torque for tightly gripping is controlled more accurately.

In addition, the wrench according to the utility model can also have the following additional technical features:

in some embodiments of the utility model, the wrench further comprises a connecting piece, one end of the connecting piece is detachably connected or fixedly connected with the ratchet wrench opening head, and the other end of the connecting piece is detachably connected or fixedly connected with the torsion handle.

In some embodiments of the present utility model, the connector includes a sleeve, the ratchet wrench opening head is provided with a first plug-in portion, the first plug-in portion is inserted into one end of the sleeve, the torsion handle is provided with a second plug-in portion, and the second plug-in portion is inserted into the other end of the sleeve.

In some embodiments of the present utility model, the first plugging portion is provided with a first positioning hole, a third positioning hole is provided at a position of the sleeve corresponding to the first positioning hole, and the wrench further comprises a first positioning pin, wherein the first positioning pin is plugged into the first positioning hole and the third positioning hole;

and/or the second plug-in part is provided with a second positioning hole, a fourth positioning hole is formed in the position, corresponding to the second positioning hole, of the sleeve, and the wrench further comprises a second positioning pin, and the second positioning pin is inserted into the second positioning hole and the fourth positioning hole.

In some embodiments of the present utility model, the ratchet wrench opening head includes a first wrench head and a second wrench head, the first wrench head and the second wrench head form the clamping space therebetween, the wrench further includes two limiting members, the two limiting members are disposed on two sides of the first wrench head, respectively, and the limiting members extend into the clamping space and are used for limiting the workpiece to be clamped.

In some embodiments of the present utility model, the wrench further includes a spacing adjustment assembly, and the two spacing members are respectively connected to the first wrench head through the spacing adjustment assembly, and the spacing adjustment assembly is used for adjusting a spacing dimension between the two spacing members.

In some embodiments of the present utility model, the spacing adjustment assembly includes a bolt hole provided at a side of the first wrench head facing the limiting member, a sliding groove provided at the limiting member, and a bolt penetrating the sliding groove and screwed into the bolt hole.

In some embodiments of the utility model, the chute is a waist-shaped chute structure.

In some embodiments of the utility model, the stop member is contoured to fit an inner surface of the first wrench head toward the second wrench head.

In some embodiments of the utility model, the ratchet wrench opening head is a box ratchet wrench opening head or a universal ratchet wrench opening head.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 schematically shows a schematic structural view of a wrench (a ratchet wrench opening head is a box ratchet wrench opening head) according to an embodiment of the present utility model;

FIG. 2 schematically illustrates a schematic structural view of a wrench (the ratchet wrench opening head being a universal ratchet wrench opening head) according to an embodiment of the present utility model from a first perspective;

FIG. 3 schematically illustrates a schematic structural view of a wrench (the ratchet wrench opening head being a universal ratchet wrench opening head) according to an embodiment of the present utility model from a second perspective;

FIG. 4 schematically illustrates a partially enlarged structural schematic view at A in FIG. 3;

100. a wrench;

10. a ratchet wrench opening head; 11. a clamping space; 12. a first wrench; 13. a second spanner; 14. a limiting piece; 15. a bolt; 16. a chute;

20. a torque handle;

30. a sleeve; 31. and a second positioning pin.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1 to 4, according to an embodiment of the present utility model, a wrench 100 is provided, the wrench 100 includes a ratchet wrench opening head 10 and a torsion handle 20, a clamping space 11 is formed between two wrench heads of the ratchet wrench opening head 10, and a force is applied to a nut by the two wrench heads to tighten or loosen the nut; one end of the torque handle 20 is connected to the ratchet wrench opening head, and the torque handle 20 controls the applied torque through a built-in torque control assembly, specifically, the tightening torque can be controlled through force release or prompt.

It can be appreciated that the ratchet wrench opening head 10 refers to a wrench head portion of the open-end wrench 100 with a ratchet, and can refer to an open-end ratchet wrench, a pointed-end ratchet wrench, and the like in the prior art, and the ratchet wrench can enable a user to continuously tighten or loosen the wrench 100 through the ratchet without re-inserting the wrench 100 when tightening or loosening the wrench, thereby improving the working efficiency. The torque handle 20 refers to a handle of the wrench 100 with a built-in torque sensing assembly, which may be a handle with a built-in torque meter, and may be a handle with a built-in jump stop mechanism, wherein the handle is displayed by sensing torque force, and when the external force applied by the handle reaches a set value, the jump stop mechanism acts to make a sound to prompt that the torque reaches the standard. The force can be discharged through the built-in gear jump mechanism, and when the set torque is reached, the gear jump mechanism discharges force, so that the torque is prevented from exceeding the standard. Reference is made to the existing torque wrench for specific construction. In the embodiment of the utility model, the tail end of the ratchet wrench opening head 10 can be detachably connected with the torsion handle 20 through clamping, specifically, an annular piece is arranged at the tail end of the ratchet wrench opening head 10, one end of the torsion handle 20 is inserted into the annular piece to realize clamping and fixing, and a positioning pin can be arranged at the joint of the two parts to further strengthen the connection tightness. Other clamping structures can be provided to fix the ratchet wrench opening head 10 and the torsion handle 20.

According to the wrench 100, the ratchet wrench opening head 10 with the ratchet wheel is detachably connected with the torsion handle 20 capable of controlling torsion, so that one wrench 100 has the dual effects of torsion setting and ratchet wheel, and the ratchet wrench opening head 10 is detachably connected, can be replaced according to actual conditions and is suitable for nuts with more types. When the torque control device is used, a user can continue to tighten the nut without detaching the wrench 100 by using the ratchet wheel, the torque handle 20 can set the tightening torque, and the tightening torque is more accurately controlled by prompting or unloading force when the torque is reached.

In some embodiments of the present utility model, the handle further comprises a connecting piece, the connecting piece connects the ratchet wrench opening head 10 and the torsion handle 20, the connecting piece may be in a sleeve 30 structure, two ends of the connecting piece are sleeved at the tail end of the ratchet wrench opening head 10, and the end of the torsion handle 20 is detachably connected, and a positioning pin may be further arranged at the connection part of the sleeve 30 and the ratchet wrench opening head 10 and the torsion handle 20 for strengthening connection. The connecting piece can also be a cylindrical connecting column structure, and insertion holes can be formed in the tail end of the ratchet wrench opening head 10 and the end part of the torsion handle 20, and the end part of the connecting piece is inserted into the insertion holes to realize connection. According to actual needs, the two ends of the connecting piece can be fixedly connected with the ratchet wrench opening head 10 or the torsion handle 20 through welding or interference connection, so as to meet different use requirements, for example, the use scene of the ratchet wrench opening head 10 or the torsion handle 20 does not need to be frequently replaced.

In some embodiments of the present utility model, the connecting member includes a sleeve 30, a first plug portion is protruded from a tail end of the ratchet wrench 10, a second plug portion is protruded from a head end of the torque handle 20, and two ends of the sleeve 30 are respectively sleeved on the first plug portion and the second plug portion. The socket 30 has a through hole in its axial direction, and both ends of the through hole are respectively connected to the first insertion portion of the ratchet wrench opening head 10 and the second insertion portion of the torque handle 20. The first plug-in part and the second plug-in part can be of a round table structure or a square table structure, and can be specifically arranged according to actual needs, and the sleeve 30 is designed in an adaptive manner according to the shapes of the first plug-in part and the second plug-in part. In order to enhance the connection tightness, the inner wall of the sleeve 30 may be provided with a protrusion, the protrusion may have an arc surface, and the first and second socket parts may be provided with grooves to be matched with the protrusions to realize a concave-convex structure, so as to enhance the connection tightness.

In some embodiments of the present utility model, the first plugging portion is provided with a first positioning hole, the second plugging portion is provided with a second positioning hole, the position of the sleeve 30 corresponding to the first positioning hole is provided with a third positioning hole, the position of the sleeve 30 corresponding to the second positioning hole is provided with a fourth positioning hole, the wrench 100 further comprises a first positioning pin and a second positioning pin 31, the positioning pins are inserted into the first positioning hole and the third positioning hole, and the second positioning pin 31 is inserted into the third positioning hole and the fourth positioning hole. The shape of the first to fourth locating holes can be selected to be round or rectangular, and can be specifically set according to the shapes of the first locating pin and the second locating pin 31, during installation, the two ends of the sleeve 30 are sleeved on the first plug-in connection part and the second plug-in connection part, then the sleeve 30 is rotated to align the first locating hole with the third locating hole, the second locating hole is aligned with the fourth locating hole, then the first locating pin is inserted into the first locating hole and the third locating hole, the second locating pin 31 is inserted into the second locating hole and the fourth locating hole, and the sleeve 30 can be respectively connected and fixed with the ratchet wrench opening head 10 and the torsion handle 20.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the ratchet wrench opening head 10 includes a first wrench head 12 and a second wrench head 13, a clamping space 11 is formed between the first wrench head 12 and the second wrench head 13, the wrench 100 further includes two limiting members 14, the two limiting members 14 are respectively disposed on two sides of the first wrench head 12, and each of the two limiting members 14 extends into the clamping space 11, and the limiting member 14 is used for limiting a workpiece to be clamped. Specifically, the stopper 14 may have a flat plate structure or a stopper structure. The first wrench 12 and the second wrench 13 refer to two parts forming a jaw of the open-end wrench 100, for example, in the universal ratchet open-end wrench 100, the upper jaw and the lower jaw are respectively the first wrench 12 and the second wrench 13, one limiting piece 14 is arranged on the first wrench 12 and corresponds to one axial end of the nut, the other limiting piece 14 is arranged on the second wrench 13 and corresponds to the other axial end of the nut, the limiting piece 14 can be connected and fixed with the first wrench 12 in a welding, clamping or bolt fixing mode, and one side of the limiting piece 14 extends into the clamping space 11 and corresponds to the end of the nut in the axial direction of the nut. When the spanner 100 is in operation, after the spanner is used for clamping the nut, the limiting piece 14 can be in contact with the end face of the nut, so that axial limiting is provided for the nut, and the spanner 100 is prevented from sliding out of the nut when in operation.

In some embodiments of the present utility model, the position of the limiting member 14 extending to the clamping space 11 is set between the inner diameter and the outer diameter of the nut. The length that locating part 14 extends in to clamping space 11 is between the internal diameter and the external diameter of adaptable nut, sets up like this can guarantee that locating part 14 can with the terminal surface contact of nut on the one hand, provides the spacing when twisting the nut, on the other hand can also avoid locating part 14 to extend to bolt department, causes the fish tail to the bolt.

In some embodiments of the present utility model, the wrench 100 further includes a spacing adjustment assembly by which the stop 14 is coupled to the first wrench 12, the spacing adjustment assembly being configured such that the spacing between the two stops 14 is adjustable. The two limiting members 14 are connected to the first wrench 12 in such a manner that the distance between them is adjustable, and the two limiting members 14 can be fixed in position in the distance adjustment. Specifically, the two limiting pieces 14 and the first spanner 12 can be connected in a sliding manner along the height direction through a structure of a sliding rod in a clamping manner, the sliding rod is vertically arranged on the first spanner 12 and penetrates through a sliding hole in the limiting piece 14, and the limiting piece 14 and the sliding rod are fixed through a bolt. The first limiting piece 14 and the second limiting piece 14 are provided with the sliding grooves 16, the first spanner 12 is provided with the bolt holes, the bolts 15 penetrate through the sliding grooves 16 and are screwed into the bolt holes, and the limiting piece 14 can be positioned by tightening the bolts 15. The slidable structure of the limiting member 14 can facilitate adjustment of the limiting height to accommodate workpieces of different heights, improving the functionality of the wrench 100.

In some embodiments of the present utility model, the spacing adjustment assembly includes a bolt hole, a sliding slot 16, and a bolt 15, the first wrench 12 is provided with the bolt hole on a side facing one of the stoppers 14, the first wrench 12 is also provided with the bolt hole on a side facing the other stopper 14, the stopper 14 is provided with the sliding slot 16, the sliding slot 16 penetrates the stopper 14, the wrench 100 further includes the bolt 15, and the bolt 15 penetrates the sliding slot 16 and is screwed with the bolt hole. The limiting piece 14 is limited on the first spanner 12 by the bolt 15, and the position of the limiting piece 14 can be fixed by screwing the bolt 15. Similarly, the bolt 15 on the other side can be tightened to lock the position of the other limiting member 14. When the distance between the two limiting parts 14 needs to be adjusted, a gasket can be placed between the limiting parts 14 and the first spanner 12, and then the limiting parts 14 can be lifted by tightening the bolts 15, so that nuts with larger axial lengths can be adapted, the limiting height can be quickly adjusted according to the needs in the use process, the nut fastening requirements of different sizes can be met, and the adaptability of the spanner 100 can be improved.

In some embodiments of the present utility model, the sliding groove 16 may be a waist-shaped groove, so that the bolt 15 can slide to the two ends of the sliding groove 16 to be attached to the groove wall, so as to avoid the bolt 15 from scratching the groove wall.

In some embodiments of the present utility model, the chute 16 may extend along the length direction of the limiting member 14, so that the relative position between the limiting member 14 and the first wrench 12 can be adjusted by adjusting the relative position between the limiting member 14 and the bolt 15, and further, the position of the limiting member 14 relative to the workpiece is adjusted, so that the limiting member 14 can axially limit the workpiece at different positions, so as to adapt to different working situations.

In some embodiments of the present utility model, the stop 14 is contoured to fit the inner surface of the first wrench 12 toward the second wrench. The first wrench head 12 generally has a certain radian, for example, when the ratchet wrench opening head 10 is a universal ratchet wrench opening head 10, the universal ratchet wrench opening head 10 comprises an upper jaw and a lower jaw, the upper jaw and the lower jaw are rotatably connected to adapt to workpieces with different specifications, such as nuts, the section of the upper jaw is usually two-section, namely arc-shaped and rectangular, at the moment, the shape of the limiting piece 14 can be designed into a structure of arc-shaped plate and rectangular plate, so that the shape of the universal ratchet wrench opening head 10 is adapted, and the phenomenon that the edge of the limiting piece 14 exceeds the universal ratchet wrench opening head 10 too much to cause inconvenience in use is avoided. Meanwhile, the end part of the limiting piece 14 is designed into a round angle, so that sharp corners are prevented from being formed at the edge of the limiting piece 14, the nut is scratched, and the use convenience of the wrench 100 and the protection to workpieces are improved.

In some embodiments of the present utility model, the ratchet wrench opening head 10 is a box ratchet wrench opening head or a universal ratchet wrench opening head, the box ratchet wrench opening head is suitable for nuts with small caliber, such as nuts with 8mm-27mm, the universal ratchet wrench opening head is suitable for nuts with large caliber, such as nuts with 30mm-60mm, the socket 30 of the present application can detachably connect the ratchet wrench opening head 10 with the torsion handle 20, and in the use process, the wrenches with different opening sizes can be quickly replaced according to the needs, so as to obtain the nut fastening needs adapting to different sizes. The opening head of the box ratchet wrench is provided with a clamping space 11 with a quincuncial cross section, a ratchet is arranged in the wrench head, the wrench 100 can be continuously operated without being inserted and pulled for many times when the nut is pulled, and the efficiency is higher. The universal ratchet wrench opening head is provided with an upper jaw and a lower jaw which are hinged, a clamping space 11 is formed between the upper jaw (a first wrench head 12) and the lower jaw (a second wrench head 13), and nuts with various specifications can be clamped through the variable clamping space 11 between the upper jaw and the lower jaw, so that the universal ratchet wrench opening head is higher in adaptability. The specific structure of the opening head of the box ratchet wrench or the opening head of the universal ratchet wrench can refer to the prior art, and the description is omitted herein.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A wrench, the wrench comprising:

the ratchet wrench opening head is provided with a clamping space;

and one end of the torsion handle is connected with the ratchet wrench opening head, and the torsion handle is used for controlling the applied torsion.

2. The wrench of claim 1, further comprising a connector having one end detachably or fixedly connected to the ratchet wrench opening head and the other end detachably or fixedly connected to the torque handle.

3. The wrench of claim 2, wherein the connector comprises a sleeve, the ratchet wrench opening head is provided with a first plug portion, the first plug portion is inserted into one end of the sleeve, the torque handle is provided with a second plug portion, and the second plug portion is inserted into the other end of the sleeve.

4. The wrench of claim 3, wherein the first socket portion has a first positioning hole, the sleeve has a third positioning hole corresponding to the first positioning hole, and the wrench further includes a first positioning pin inserted into the first positioning hole and the third positioning hole;

and/or the second plug-in part is provided with a second positioning hole, a fourth positioning hole is formed in the position, corresponding to the second positioning hole, of the sleeve, and the wrench further comprises a second positioning pin, and the second positioning pin is inserted into the second positioning hole and the fourth positioning hole.

5. The wrench of claim 1, wherein the ratchet wrench opening head comprises a first wrench head and a second wrench head, the first wrench head and the second wrench head form the clamping space therebetween, the wrench further comprises two limiting members respectively arranged on two opposite sides of the first wrench head, and the limiting members extend into the clamping space and are used for limiting the workpiece to be clamped.

6. The wrench of claim 5, further comprising a spacing adjustment assembly, wherein two of the spacing members are respectively coupled to the first wrench head via the spacing adjustment assembly, and wherein the spacing adjustment assembly is configured to adjust a spacing dimension between the two spacing members.

7. The wrench of claim 6, wherein the spacing adjustment assembly includes a bolt hole, a slide groove, and a bolt, the bolt hole being provided in a side of the first wrench head facing the limiting member, the slide groove being provided in the limiting member, the bolt being threaded through the slide groove and being threadably received in the bolt hole.

8. The wrench of claim 7, wherein the slide slot has a waist-shaped slot configuration.

9. The wrench of claim 7, wherein the stop member is contoured to fit an inner surface of the first wrench head toward the second wrench head.

10. The wrench of any one of claims 1-9 wherein the ratchet wrench opening head is a box ratchet wrench opening head or a universal ratchet wrench opening head.