CN113664763B

CN113664763B - Adjustable spanner head

Info

Publication number: CN113664763B
Application number: CN202110983230.4A
Authority: CN
Inventors: 王灿; 黄芳妮
Original assignee: Shenzhen Superlink Technology Co ltd
Current assignee: Shenzhen Superlink Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2023-12-29
Anticipated expiration: 2041-08-25
Also published as: CN113664763A

Abstract

The application relates to an adjustable spanner head, spanner head install on spanner handle or torsion appearance carry out the operation of screwing or be used for testing torsion, including spanner head body and clamping assembly. The clamping component is detachably connected to the spanner head body and used for clamping objects (such as screws) to be clamped in a screwing mode, and the clamping component can be replaced to be suitable for the objects to be clamped with different clamping surfaces; the spanner head body is further provided with an adjusting component, and the clamping component can slide on the spanner head body by the adjusting component, so that the clamping component can be suitable for screws with different sizes. The application provides a general adjustable spanner head, application scope is wide, and the protection that also can be fine is not damaged by the surface of centre gripping thing.

Description

Adjustable spanner head

Technical Field

The application relates to the field of hardware tools, in particular to an adjustable spanner head.

Background

A wrench is a commonly used installation and removal tool, and is a hand tool that uses the principle of leverage to turn screws, nuts, and other threads to tighten the openings or trepanning fasteners of the screws or nuts. The wrench is usually provided with an opening or socket for holding a screw or nut at one or both ends of the shank, and when in use, the screw or nut can be screwed by applying an external force to the shank in the direction of rotation of the threads.

The clamping end face of the existing wrench head is basically fixed with the wrench body, and the size of the clamping end face of the wrench head is basically limited. When nuts of different sizes need to be screwed, different sizes of wrenches need to be used. Once the wrench with smaller clamping end face is used for screwing the nut with larger stress surface (clamped end face), the clamping end face of the wrench cannot completely cover the nut, so that the outer surface of the nut is damaged, and the nut is scrapped. In addition, in practical situations, when the nut is screwed by an unadapted spanner, the screwing process is time-consuming and labor-consuming.

In view of the above related art, there is a problem that the existing wrench has low suitability.

Disclosure of Invention

In order to solve the problem that the existing wrench is low in applicability at present, the application provides an adjustable wrench head.

The application provides an adjustable spanner head adopts following technical scheme:

an adjustable spanner head comprises a spanner head body and a clamping assembly for clamping a clamped object; the clamping assembly comprises a fixing piece and a moving piece, the wrench head body is detachably connected with the fixing piece and the moving piece, the moving piece is connected to the wrench head body in a sliding manner, the moving piece can be close to or far away from the fixing piece, and the fixing piece and the moving piece are both provided with specific clamping end faces; the wrench head body is further provided with a locking piece, and the locking piece is used for locking the position of the moving piece.

By adopting the technical scheme, when clamped objects (such as screws) with different sizes are required to be screwed, the moving part and the fixed part with specific sizes can be selected and replaced according to the clamped objects with corresponding sizes. Meanwhile, the movable part and the locking part can be moved, so that the movable part can be matched with the fixed part to lock the tightness of the clamped object better, and the clamped object can be screwed more conveniently and more conveniently.

The clamping components suitable for the clamped objects with different clamping surfaces can be replaced according to specific sizes, and the clamping surfaces of the selected clamping components can completely cover the clamped surfaces of the clamped objects, so that the outer surfaces of the screws cannot be damaged in the screwing process.

Optionally, the wrench head body includes a mounting portion and a connecting portion; the mounting part and the connecting part are integrally formed; the top end surface of the mounting part is provided with a strip-shaped opening, and the strip-shaped opening can enable the moving piece to slide on the spanner head body; the connecting part is used for connecting the spanner head body on a spanner handle or a torsion meter.

Through adopting above-mentioned technical scheme, in some narrow spaces, influence operating personnel and turn on, can with spanner head and longer spanner handle are connected, can make things convenient for operating personnel to turn on the work like this, also can be connected with the torsion appearance in addition, can test torsion as required.

Optionally, the installation department is equipped with more than one and with locking piece screw thread fit's spacing hole, the locking piece through spacing hole with moving piece looks butt, and can lock moving piece on the installation department.

Through adopting above-mentioned technical scheme, can with moving part restriction suitable position guarantees the centre gripping space between moving part and the mounting can spin the screw and close, in addition through locking piece and spacing portion butt, also can steadily fix moving part, prevents to produce the slip when spin closes.

Optionally, the moving member includes a clamping portion and a limiting portion, where the clamping portion and the limiting portion are detachably connected.

By adopting the technical scheme, when facing different clamped objects, the clamping part and the fixing piece can be replaced, and the operation steps are simple.

Optionally, the mounting part is provided with a containing groove into which the fixing piece can be placed, and the connection mode of the fixing piece and the mounting part comprises insertion connection; the fixing piece and the mounting part are provided with insertion holes, and the fixing piece is perpendicular to the strip-shaped opening.

Through adopting above-mentioned technical scheme, the installation department is equipped with the confession the mounting is put into the storage tank, and such design is material saving promptly, has also saved occupation space, designs into the grafting mode in addition, convenient to detach and installation, and it is more convenient to use.

Optionally, an adjusting component is further arranged on the mounting part; the adjusting component comprises a transmission piece, a connecting piece and a limiting piece; the transmission piece passes through the mounting part and is detachably connected with one side of the connecting piece; the other side of the connecting piece is detachably connected with the moving piece.

Through adopting above-mentioned technical scheme, can adjust the distance between moving part and the mounting through the operation adjusting part to the not unidimensional gripped object of adaptation.

Optionally, the transmission piece comprises a handheld block and a screw; the handheld piece is connected to one end of the screw rod far away from the moving piece, and the screw rod is in threaded connection with the mounting portion.

Through adopting above-mentioned technical scheme, turn into the slip of moving the piece with the rotation of screw rod, both can reach the centre gripping space between regulation moving piece and the mounting, after adjusting the centre gripping space, because screw rod and installation department are threaded connection can carry out a spacing effect to the moving piece, prevent that it from producing the slip at the in-process that closes soon.

Optionally, the limiting piece is connected to one end of the transmission piece, which is close to the moving piece, and the limiting piece is used for limiting the transmission piece to be separated from the connection with the connecting piece.

Through adopting above-mentioned technical scheme, the locating part can effectually restrict the connection of driving medium and connecting piece, guarantees that the rotation of driving medium can drive the moving part and slide.

Optionally, the mounting portion is provided with a containing opening communicated with the strip-shaped opening, and the containing opening can be used for mounting and dismounting the limiting portion.

Through adopting above-mentioned technical scheme, the existence of holding mouth can make things convenient for the dismantlement and the installation of moving member.

The connecting part is also provided with a connecting component, and the connecting part is provided with a containing hole; the accommodating hole is used for installing the connecting component on the connecting part; the connecting component comprises a mounting piece, an elastic piece and a blocking piece; the installation piece is detachably connected with the connecting part, one end of the elastic piece is connected with the installation piece, the other end of the elastic piece is connected with the blocking piece, and the elastic piece has elastic potential energy for enabling the blocking piece to be far away from the installation piece; the blocking piece can be pressed into the accommodating hole by external force; the connecting component is used for connecting the spanner head body with a general spanner handle and/or a torsion meter.

Through adopting above-mentioned technical scheme, coupling assembling can be with spanner head body coupling on different spanner handles to the screwing operation of adaptation under different operational environment also can connect the torsion appearance in addition, just more convenient at the needs test torsion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when different clamping objects are clamped and screwed, on one hand, the fixing piece and the clamping part which are matched with the clamped object can be selected, the clamping end face between the fixing piece and the moving piece is tightly attached to the clamped surface of the clamped object during clamping, the surface of the clamped object is not damaged during screwing, and the clamping device is labor-saving; on the other hand, the distance between the moving part and the fixed part can be adjusted to adapt to clamped objects with different calibers, so that the adaptability of the spanner head is improved;

2. the installation and the disassembly are simple and convenient, the use is convenient, and the space is saved;

3. can adapt to different application scenarios, not only can be used for the spin to close, also can install it and carry out test torsion on the torsion appearance.

Drawings

FIG. 1 is a schematic illustration of the construction of an adjustable wrench head;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic exploded view of an adjustable wrench head;

FIG. 4 is a schematic view of a partial construction of an adjustable wrench head;

FIG. 5 is a schematic illustration of the position of an adjustable spanner head adjustment assembly and a mover;

FIG. 6 is an exploded view of an adjustment assembly of an adjustable wrench head.

Reference numerals illustrate: 1. a wrench head body; 11. a mounting part; 110. a receiving port; 111. a strip-shaped opening; 112. a limiting hole; 12. a connection part; 121. a receiving hole; 13. a locking member;

2. a clamping assembly; 21. a fixing member; 210. a first fixed block; 211. a second fixed block; 22. a moving member; 221. a clamping part; 2210. clamping blocks; 2211. a clamping block; 222. a limit part; 2220. a transverse block; 2221. a vertical block;

3. an adjustment assembly; 31. a transmission member; 311. a hand-held block; 312. a screw; 32. a connecting piece; 33. a limiting piece;

4. a connection assembly; 41. a mounting member; 42. an elastic member; 43. a blocking member;

5. a receiving groove;

6. a first hosel;

7. a second hosel.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Referring to fig. 1, an adjustable wrench head includes a wrench head body 1 and a clamping assembly 2, the clamping assembly 2 includes a fixing member 21 and a moving member 22, the fixing member 21 is connected to the wrench head body 1, the moving member 22 is slidably connected to the wrench head body 1, and clamping end surfaces on the fixing member 21 and the moving member 22 can clamp and rotate a clamped object.

Referring to fig. 1, the moving member 22 may slide on the wrench head body 1 toward or away from the fixed member 21 so as to adjust a distance between the moving member 22 and the fixed member 21, for which different sizes of clamped objects, which may be specifically screws, nuts, connectors, etc., may be adapted.

Referring to fig. 1, since the movable member 22 is required to be locked when the object to be clamped is screwed, the wrench head body 1 is further provided with a locking member 13, and the locking member 13 is a locking bolt in this embodiment. The moving member 22 can be locked to the wrench head body 1 by the locking bolt.

Referring to fig. 1, the wrench head body 1 includes a connection portion 12 and a mounting portion 11, and the connection portion 12 and the mounting portion 11 are integrally formed, so that the design is advantageous for improving the overall stability of the wrench head.

As shown in fig. 2, a receiving hole 121 is provided in the connection portion 12, an inner wall of the receiving hole 121 is threaded, the receiving hole 121 is provided with a connection assembly 4, and the connection assembly 4 includes a mounting member 41, an elastic member 42, and a blocking member 43. In the present embodiment, the mounting member 41 is specifically a screw block, the elastic member 42 is a spring, and the blocking member 43 is a clip. The screw thread piece threaded connection is in holding hole 121, and the one end and the screw thread piece of spring are connected, and the other end is connected with the card post, and the central axis of three is the same, and card post outer wall is connected with spring inner circle lateral wall. The spring has elastic potential energy for enabling the clamping column to be far away from the threaded block.

As shown in fig. 2, the clamping post is inserted through the receiving hole 121 without an external force, and is pressed into the receiving hole 121 when the spanner head is required to be connected with the spanner handle/torque meter. At this time, the spring is in a compressed state. And then the wrench handle/torsion meter is clamped into the connecting part 12, and when the inserting hole on the wrench handle/torsion meter is aligned with the clamping column, the clamping column penetrates out of the accommodating hole 121 and is inserted into the inserting hole. In contrast, the spanner head, the spanner handle, the torque meter and the connecting part 12 can be connected, the connecting mode can be better screwed and clamped, the assembly and the disassembly are simpler, and the working efficiency is improved.

As shown in fig. 3, a bar-shaped opening 111 is formed in the distal end surface of the mounting portion 11, the bar-shaped opening 111 is used for sliding the moving member 22 on the mounting portion 11, and a receiving groove 5 is formed on one side of the mounting portion 11, and the receiving groove 5 is perpendicular to the bar-shaped opening 111.

As shown in fig. 3, the fixing member 21 is detachably connected to the mounting portion 11, and is convenient to detach and mount. The fixing piece 21 comprises a first fixing block 210 and a second fixing block 211, the first fixing block 210 and the second fixing block 211 are integrally connected, a right-angle groove is formed between the first fixing block 210 and the second fixing block 211, and the first fixing block 210 and the second fixing block 211 are conveniently clamped in the accommodating groove 5. Specifically, the clamping surface is located on the first fixing block 210, and a chamfer is arranged on one side, opposite to the clamping surface, of the clamping surface, so that the clamping surface can play a role in protecting against hand cutting.

As shown in fig. 3, the second fixing block 211 and the mounting portion 11 are provided with insertion holes, the insertion holes are connected with the first hosel 6, and the first hosel 6 is matched with the insertion holes, so that the first fixing block 210 and the second fixing block 211 can be firmly locked on the mounting portion 11. Specifically, when the fixing piece 21 is installed, the second fixing block 211 is clamped in the accommodating groove 5, the bottom end surface of the first fixing block 210 is contacted with the bearing surface of the installation part 11, and then the first hosel 6 is inserted into the jack for grafting; at this time, the first fixing block 210 and the second fixing block 211 are clamped to the mounting portion 11.

As shown in fig. 3, the unique design of the fixing member 21 not only enables the first fixing block 210 and the second fixing block 211 to be firmly installed, but also can well limit the shaking of the fixing member 21, and is relatively simple and convenient in installation and disassembly, i.e. improves the installation and disassembly efficiency, and simultaneously can save space very much.

As shown in fig. 4, the moving member 22 includes a clamping portion 221 and a limiting portion 222, the limiting portion 222 includes a horizontal block 2220 and a vertical block 2221, the horizontal block 2220 and the vertical block 2221 are integrally formed, the clamping portion 221 is provided with a slot into which the vertical block 2221 is inserted, the clamping portion 221 and the limiting portion 222 are provided with insertion holes, and the clamping portion 221 and the limiting portion 222 are detachably connected through the second hosel 7.

As shown in fig. 4, specifically, in order to facilitate the installation and removal of the limiting portion 222 and optimize the spatial layout, a receiving port 110 is opened below the bar-shaped port 111, and the bar-shaped port 111 communicates with the receiving port 110; the upper end face of the horizontal block 2220 is tightly contacted with the upper end face of the accommodating port 110, the vertical block 2221 is in plug-in fit with the clamping part 221 through the strip-shaped port 111, the bottom end face of the clamping part 221 is abutted with the plane where the strip-shaped port 111 is located, and through the design, the overall stability of the moving part 22 can be ensured, and the moving part cannot shake during clamping and screwing.

As shown in fig. 4, the clamping portion 221 includes a clamping block 2210 and a clamping block 2211, and the clamping block 2210 and the clamping block 2211 are integrally formed in order to stabilize the clamping portion 221 as a whole. On the one hand, for attractive appearance and tight connection, the thickness of the clamping block 2211 is consistent with that of the mounting part 11, on the other hand, according to actual needs, the clamping end surface of the clamping block 2210 and the clamped end surface of the clamped object are kept in the same size, accurate clamping and screwing of the clamped object can be ensured, and the clamping end surface of the clamping block 2210 and the clamped object are tightly attached, so that the outer surface of the clamped object can be damaged by the part during screwing.

As shown in fig. 4, the clamping portion 221 is only required to be replaced for objects to be clamped having different sizes, so that the operation steps are simplified. In addition, the clamping block 2210 and the clamping block 2211 are arranged in a step, and specifically, the bearing surface of the clamping block 2210 is higher than the bearing surface of the clamping block 2211.

As shown in fig. 4, when clamping and screwing are performed, the moving member 22 needs to be fixed, so that 8 limiting holes 112 are further formed in two side surfaces of the mounting portion 11, internal threads matched with locking bolts are formed on the inner walls of the limiting holes 112, the locking bolts penetrate through the limiting holes 112 to be abutted against the side walls of the clamping blocks 2210 and the clamping blocks 2211, and accordingly, the mounting stability of the moving member 22 can be improved.

In the present embodiment, the number of the limiting holes 112 is not limited, but the number of the limiting holes 112 may achieve the effect of locking the moving member 22.

As shown in fig. 5, in order to more conveniently slide the moving member 22 on the mounting portion 11, the mounting portion 11 is further provided with the adjusting assembly 3.

As shown in fig. 5 and 6, the adjusting assembly 3 includes a transmission member 31, a connecting member 32, and a limiting member 33, where the transmission member 31 is in threaded connection with the mounting portion 11, the connecting member 32 is used to connect the transmission member 31 and the moving member 22, the limiting member 33 is located between the connecting member 32 and the moving member 22, and the limiting member 33 is used to limit the transmission member 31 to prevent the transmission member 31 from being disconnected from the connecting member 32, so as to ensure that the transmission member 31 is threaded to rotate and drive the moving member 22 to slide linearly. Specifically, the transmission member 31 includes a hand-held block 311 and a screw 312, the hand-held block 311 facilitates the operator to rotate the screw 312, and the other end of the screw 312 is screwed with the connection member 32. In this embodiment, the connecting piece 32 is an L-shaped block, one surface of the L-shaped block is in threaded connection with the screw 312, and the other surface is built on the bearing surface of the clamping block 2211. The clamping block 2211 is locked with the L-shaped block through a screw. It should be noted that the connecting piece 32 is provided in an L shape, which has a connecting function, and the right end surface of the L-shaped block is just abutted against the clamping block 2210, so that a certain supporting function can be achieved, and the whole clamping assembly 2 is more stable when clamping screws and connectors.

The limiting piece 33 is a limiting block, and the limiting block is arranged at the tail end of the screw rod 312, and because the screw rod 312 is in threaded connection with the L-shaped block, the limiting block limits the position of the L-shaped block when the screw rod 312 is rotated, so that the moving piece 22 can be driven to move when the screw rod 312 is rotated.

The plugging manner mentioned in the embodiment may be screw connection, riveting, or the like, as long as the connection effect can be achieved.

The implementation principle of the embodiment is as follows: when the clamped object needs to be clamped and screwed, the spanner head body 1 is connected with the spanner handle or the torsion meter through the connecting part 12 at first (the spanner handle or the torsion meter can be selected according to the requirements for adapting to different screwing scenes).

According to the size of the clamped object, a proper fixing piece 21 and a clamping portion 221 are selected, the fixing piece 21 is placed in the accommodating groove 5 and then connected with the mounting portion 11 through the first hosel 6, the clamping portion 221 is connected with the connecting piece 32, the screw 312 is rotated to enable the moving piece 22 to slide to a proper position on the mounting portion 11 (namely, the distance between the moving piece 22 and the fixing piece 21 can just accommodate the clamped object), and then the locking bolt is used for further fixing the moving piece 22 through the limiting hole 112, so that the clamped object can be tightly clamped, and subsequent screwing is facilitated.

When clamping and rotating the clamping objects with different sizes are needed, the clamping parts 221 of the fixed piece 21 and the movable piece 22 are correspondingly replaced, and then the distance between the movable piece 22 and the fixed piece 21 is adjusted through the adjusting assembly 3.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An adjustable spanner head, its characterized in that: comprises a spanner head body (1) and a clamping assembly (2) for clamping a clamped object; the clamping assembly (2) comprises a fixing piece (21) and a moving piece (22), the wrench head body (1) is detachably connected with the fixing piece (21) and the moving piece (22), the moving piece (22) is connected to the wrench head body (1) in a sliding mode, the moving piece (22) can be close to or far away from the fixing piece (21), and the moving piece (22) and the fixing piece (21) are both provided with specific clamping end faces; the wrench head body (1) is further provided with a locking piece (13), and the locking piece (13) is used for locking the position of the moving piece (22); the wrench head body (1) comprises a mounting part (11), a strip-shaped opening (111) is formed in the top end surface of the mounting part (11), and the strip-shaped opening (111) can enable the moving piece (22) to slide on the wrench head body (1); the mounting part (11) is provided with a containing opening (110) communicated with the strip-shaped opening (111), the moving part (22) comprises a clamping part (221) and a limiting part (222), the limiting part (222) comprises a transverse block (2220) and a vertical block (2221), the transverse block (2220) and the vertical block (2221) are integrally formed, and the containing opening (110) can be used for mounting and dismounting the limiting part (222); clamping part (221) are equipped with the groove that supplies perpendicular piece (2221) male, clamping part (221) with all be equipped with the jack on spacing portion (222), clamping part (221) with spacing portion (222) are through the removable connection of hosepipe, clamping part (221) include clamp splice (2210) and fixture block (2211), clamp splice (2210) with fixture block (2211) integrated into one piece, clamping part (221) are removable, and the centre gripping terminal surface of clamp splice (2210) keeps same size with the centre gripping terminal surface of being held by the centre gripping thing.

2. The adjustable spanner head of claim 1 wherein: the wrench head body (1) comprises a connecting part (12); the mounting part (11) and the connecting part (12) are integrally formed; the connecting part (12) is used for connecting the spanner head body (1) to a spanner handle or a torsion meter.

3. The adjustable spanner head of claim 1 wherein: the mounting part (11) is provided with more than one limiting hole (112) in threaded fit with the locking piece (13), and the locking piece (13) is abutted with the moving piece (22) through the limiting hole (112) and can lock the moving piece (22) on the mounting part (11).

4. The adjustable spanner head of claim 1 wherein: the moving piece (22) comprises a clamping part (221) and a limiting part (222), and the clamping part (221) and the limiting part (222) are detachably connected.

5. The adjustable spanner head of claim 1 wherein: the mounting part (11) is provided with a containing groove (5) into which the fixing piece (21) can be placed, and the connection mode of the fixing piece (21) and the mounting part (11) comprises inserting connection; the fixing piece (21) and the mounting part (11) are provided with insertion holes, and the fixing piece (21) is perpendicular to the strip-shaped opening (111).

6. The adjustable spanner head of claim 1 wherein: an adjusting component (3) is further arranged on the mounting part (11); the adjusting assembly (3) comprises a transmission part (31), a connecting part (32) and a limiting part (33); the transmission piece (31) passes through the mounting part (11) and is detachably connected with one side of the connecting piece (32); the other side of the connecting piece (32) is detachably connected with the moving piece (22).

7. The adjustable spanner head of claim 6 wherein: the transmission piece (31) comprises a handheld block (311) and a screw (312); the handheld block (311) is connected to one end of the screw rod (312) far away from the moving piece (22), and the screw rod (312) is in threaded connection with the mounting part (11).

8. The adjustable spanner head of claim 6 wherein: the limiting piece (33) is connected to one end, close to the moving piece (22), of the transmission piece (31), and the limiting piece (33) is used for limiting the transmission piece (31) to be separated from the connection with the connecting piece (32).

9. The adjustable spanner head of claim 2 wherein: the connecting part (12) is also provided with a connecting component (4), and the connecting part (12) is provided with a containing hole (121); the accommodating hole (121) is used for installing the connecting assembly (4) on the connecting part (12); the connecting component (4) comprises a mounting piece (41), an elastic piece (42) and a blocking piece (43); the mounting piece (41) is detachably connected with the connecting part (12), one end of the elastic piece (42) is connected with the mounting piece (41), the other end of the elastic piece (42) is connected with the blocking piece (43), and the elastic piece (42) has elastic potential energy for enabling the blocking piece (43) to be far away from the mounting piece (41); the blocking piece (43) can be pressed into the accommodating hole (121) by external force; the connecting component (4) is used for connecting the spanner head body (1) with a general spanner handle and/or a torsion meter.