CN214818272U - Spanner convenient to centre gripping - Google Patents
Spanner convenient to centre gripping Download PDFInfo
- Publication number
- CN214818272U CN214818272U CN202120140806.6U CN202120140806U CN214818272U CN 214818272 U CN214818272 U CN 214818272U CN 202120140806 U CN202120140806 U CN 202120140806U CN 214818272 U CN214818272 U CN 214818272U
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- clamp
- nut
- handle
- threaded hole
- clamping
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Abstract
The utility model discloses a wrench convenient for clamping, which comprises a clamp and a handle connected with the clamp, wherein the clamp is provided with a clamping port for clamping a nut, the clamping port is formed by combining six side walls into a regular hexagon, each side wall is provided with a limit groove, an extrusion block capable of resetting is rotationally connected in the limit groove, the upper surface of the extrusion block is provided with a wedge surface end matched with the inclined surface of the nut, and the side surface of the extrusion block is provided with a pressure end which protrudes out of the limit groove and can form extrusion force on the nut; the clamp is provided with a threaded hole with an opening direction consistent with that of the clamping opening, a screw rod connected with the handle is arranged in the threaded hole, and when the clamp is used, the handle is rotated, the screw rod penetrates through the threaded hole and abuts against the end face of the nut to drive the clamp to rotate.
Description
Technical Field
The utility model relates to a technical field of construction, concretely relates to spanner convenient to centre gripping.
Background
The open-end wrench is mainly provided with a handle, at least one end of the handle is provided with a pair of jaws, and an opening is formed between the jaws, so that a user can transversely clamp the opening of the open-end wrench on the polygonal workpiece and clamp two sides of the polygonal workpiece through the jaws, the open-end wrench can drive the polygonal workpiece to rotate simultaneously, and the polygonal workpiece can be adjusted by pulling.
However, the handle is limited to have a certain length, and when the open-end wrench is operated in a narrow space, the wrench often needs to be repeatedly sleeved, that is, after the open-end wrench is wrenched for an angle, the wrench must be taken down from the polygonal workpiece and returned to the original angle to be sleeved on the polygonal workpiece again, which is not very convenient in operation and is generally a problem for users.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to provide a enough operate in narrow environment, and the convenient to use's of being convenient for spanner of centre gripping.
Solve the technical problem, the utility model discloses a following technical scheme:
a wrench convenient to clamp comprises a clamp and a handle connected with the clamp, wherein a clamping opening used for clamping a nut is formed in the clamp, the clamping opening is formed by combining six side walls to form a regular hexagon, a limiting groove is formed in each side wall, a resettable extrusion block is rotatably connected in each limiting groove, a wedge surface end matched with an inclined surface of the nut is arranged on the upper surface of each extrusion block, and a pressure end which protrudes out of each limiting groove and can form extrusion force on the nut is arranged on the side surface of each extrusion block; the clamp is provided with a threaded hole with an opening direction consistent with that of the clamping opening, a screw rod connected with the handle is arranged in the threaded hole, and when the clamp is used, the handle is rotated, the screw rod penetrates through the threaded hole and abuts against the end face of the nut to drive the clamp to rotate.
When the nut clamping device is used, the clamping opening is formed by combining six side walls to form a regular hexagon, so that the clamping opening can form nut wrapping type clamping, and the clamping opening can be easily unscrewed or screwed.
In the clamping process, wedge face ends of the extrusion blocks on the side wall of the clamp are respectively matched with the inclined faces of the nuts, so that the nuts force the extrusion blocks to be compressed into the limiting grooves, pressure ends of the extrusion blocks protrude out of the limiting grooves and abut against the side faces of the nuts, and at the moment, the pressure ends of the six extrusion blocks jointly extrude and fix the nuts.
The handle is reused to drive the screw to rotate, the screw penetrates through the clamp along the length direction of the threaded hole and abuts against the surface of the nut to fix the end face of the nut, and after the screw abuts against the nut, the handle continues to be rotated, the handle drives the clamp to rotate in a whole mode, and the nut is screwed up and unscrewed.
Further, the upper surface of the clamp is provided with a detachable rubber pad, the upper surface of the rubber pad can be in contact with the end face of the nut, and the lower surface of the rubber pad can be abutted to the end of the screw.
Due to the design, the rubber pad is arranged between the end part of the nut and the end part of the screw rod, and the rubber pad is detachably connected to the upper surface of the clamp, so that the rubber pad can be conveniently replaced when damaged or insufficient in viscosity; in addition, when the nut needs to be unscrewed or screwed, in order to increase the friction force between the screw and the nut and improve the stable connection between the screw and the nut, the rubber pad is arranged on the clamp, the screw penetrates through the clamp and extends out to be firstly contacted with the rubber pad and drive the rubber pad contacted with the end part of the screw to be abutted against the end surface of the nut, and then the friction force between the screw and the nut is provided through the rubber pad.
Further, a mounting seat is further arranged between the clamp and the handle, one end of the mounting seat is fixedly connected with the clamp, the other end of the mounting seat is fixedly connected with the handle, and the threaded hole penetrates through the mounting seat.
Design like this, the length increase of screw hole for the length of screw rod operation also increases, guarantees that the screw rod can lie in the nut terminal surface and offset the back, screw rod self locking, and drives anchor clamps and wholly rotate.
Furthermore, be equipped with the pivot of installing on the spacing groove on the extrusion piece, be equipped with the torsional spring that links to each other with the extrusion piece in the pivot.
When the wedge surface end of the extrusion block is extruded by the nut, the wedge surface end overcomes the torsion force of the torsion spring and enters the limiting groove, and the pressure end protruding out of the limiting groove can be abutted against the nut, so that the nut can be locked; when the nut is taken out of the clamping opening, the torsion spring does not receive the extrusion acting force, and the extrusion block is reset through the torsion spring.
Further, the handle includes the commentaries on classics piece, be equipped with at least one branch on the commentaries on classics piece, change piece and screw rod fixed connection.
The design is like this, cooperatees through commentaries on classics piece and branch, realizes the rotation to the screw rod, makes things convenient for the screw rod to feed or shift out along the length direction of screw hole.
Furthermore, the number of the supporting rods is two, and the two supporting rods are respectively positioned on two sides of the rotating block. By the design, an operator can conveniently hold the handle, and the operation is convenient and simple.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model has the advantages of ingenious conception, simple structure and reasonable design, and the user can transversely clamp the clamp on the nut, thereby being suitable for narrow environment; simultaneously, utilize the scarf end and the nut cooperation of extrusion piece, let the nut can enter into the centre gripping mouth smoothly, recycle its pressure end and nut cooperation, let the nut by the centre gripping in the centre gripping mouth, at last, drive the screw rod through the handle and remove along screw hole length direction to pass anchor clamps and nut terminal surface and offset, realize the fixed of nut terminal surface simultaneously, can realize again that the screw rod drives anchor clamps and rotate, both can be quick locking or loosen the nut, so as to reach convenient to use's effect.
Drawings
FIG. 1 is a schematic structural view of a wrench convenient for clamping according to the present invention;
fig. 2 is an operation schematic diagram of the wrench convenient for clamping of the present invention.
In the figure: the fixture comprises a fixture 1, a mounting seat 2, a rotating block 3, a support rod 4, a threaded hole 5, a screw rod 6, a limiting groove 7, a rubber block 8, an extrusion block 9, a rotating shaft 10, a nut 11, a side wall 12, a wedge face end 14 and a pressure end 15.
Detailed Description
The present invention will be described with reference to the accompanying drawings and examples.
In this embodiment: referring to fig. 1 and 2, a wrench convenient for clamping comprises a clamp 1 and a handle connected with the clamp 1, wherein a clamping opening for clamping a nut 11 is formed in the clamp 1, the clamping opening is a regular hexagon formed by combining six side walls 12, a limiting groove 7 is formed in each side wall 12, a resettable extrusion block 9 is rotatably connected in each limiting groove 7, a wedge surface end 14 matched with the inclined surface of the nut 11 is arranged on the upper surface of the extrusion block 9, and a pressure end 15 which protrudes out of the limiting groove 7 and can form extrusion force on the nut 11 is arranged on the side surface of the extrusion block 9; the threaded hole 5 with the opening direction being consistent with the opening direction of the clamping opening is formed in the clamp 1, the threaded hole 5 is internally provided with the screw rod 6 connected with the handle, when the clamp is used, the handle is rotated, and the screw rod 6 penetrates through the clamp 1 through the threaded hole 5 and is abutted to the end face of the nut 11 to drive the clamp 1 to rotate.
When in use, the clamping opening is formed by combining six side walls 12 to form a regular hexagon, so that the clamping opening can form a wrapping type clamping for the nut 11, and the clamping opening can be easily unscrewed or screwed.
In the clamping process, wedge face ends 14 of the extrusion blocks 9 on the side wall 12 of the clamp 1 are respectively matched with inclined faces of the nuts 11, so that the nuts 11 force the extrusion blocks 9 to be compressed into the limiting grooves 7, pressure ends 15 of the extrusion blocks 9 protrude out of the limiting grooves 7 and abut against the side faces of the nuts 11, and at the moment, the pressure ends 15 of the six extrusion blocks 9 jointly extrude and fix the nuts 11.
And then, the handle is utilized to drive the screw rod 6 to rotate, the screw rod 6 penetrates through the clamp 1 along the length direction of the threaded hole 5 and abuts against the surface of the nut 11 to fix the end face of the nut 11, and after the screw rod 6 abuts against the nut 11, the handle is continuously rotated, so that the handle drives the clamp 1 to rotate in a whole manner, and the nut 11 is screwed up and unscrewed.
Preferably, the upper surface of the clamp 1 is provided with a detachable rubber pad, the upper surface of the rubber pad can be contacted with the end surface of the nut 11, and the lower surface of the rubber pad can be abutted against the end part of the screw 6.
Due to the design, the rubber pad is arranged between the end part of the nut 11 and the end part of the screw rod 6, and the rubber pad is detachably connected to the upper surface of the clamp 1, so that the rubber pad can be conveniently replaced when damaged or insufficient in viscosity; in addition, when the nut 11 needs to be unscrewed or screwed, in order to increase the friction force between the screw rod 6 and the nut 11 and improve the stable connection between the screw rod and the nut, the rubber pad is installed on the clamp 1, after the screw rod 6 penetrates through the clamp 1 to extend out, the screw rod is firstly contacted with the rubber pad, and the rubber pad contacted with the end part of the screw rod 6 is driven to be abutted against the end surface of the nut 11, so that the friction force between the screw rod and the nut is provided through the rubber pad.
Preferably, a mounting seat 2 is further arranged between the clamp 1 and the handle, one end of the mounting seat 2 is fixedly connected with the clamp 1, the other end of the mounting seat 2 is fixedly connected with the handle, and the threaded hole 5 penetrates through the mounting seat 2. Design like this, the length increase of screw hole 5 for the length of screw rod 6 operation also increases, guarantees that screw rod 6 can lie in the 11 terminal surfaces of nut back that offset, and screw rod 6 self locking, and drives anchor clamps 1 and wholly rotate.
Preferably, the pressing block 9 is provided with a rotating shaft 10 installed on the limiting groove 7, and the rotating shaft 10 is provided with a torsion spring connected with the pressing block 9.
When the wedge surface end 14 of the extrusion block 9 is extruded by the nut 11, the wedge surface end overcomes the torsion force of the torsion spring and enters the limiting groove 7, and the pressure end 15 protruding out of the limiting groove 7 is abutted against the nut 11, so that the nut 11 can be locked; when the nut 11 is removed from the holding opening, the pressing block 9 is returned by the torsion spring due to the force of the torsion spring not being pressed.
Preferably, the handle comprises a rotating block 3, at least one supporting rod 4 is arranged on the rotating block 3, and the rotating block 3 is fixedly connected with a screw 6.
Design like this, cooperate through changeing piece 3 and branch 4, realize the rotation to screw rod 6, make things convenient for screw rod 6 to feed or shift out along the length direction of screw hole 5.
Preferably, there are two support rods 4, and the two support rods 4 are respectively located at two sides of the rotating block 3. By the design, an operator can conveniently hold the handle, and the operation is convenient and simple.
The utility model has the advantages of ingenious conception, simple structure and reasonable design, and the user can transversely clamp the clamp 1 on the nut 11, thereby being suitable for narrow environment; simultaneously, utilize wedge face end 14 and the cooperation of nut 11 of extrusion piece 9, let nut 11 can enter into the centre gripping intraorally smoothly, reuse its pressure end 15 and the cooperation of nut 11, let nut 11 by the centre gripping in the centre gripping intraorally, finally, drive screw rod 6 through the handle and remove along 5 length direction of screw hole, and pass anchor clamps 1 and the counterbalance of 11 terminal surfaces of nut, realize the fixed of 11 terminal surfaces of nut simultaneously, can realize again that screw rod 6 drives anchor clamps 1 and rotate, locking that both can be quick or loosen nut 11, so as to reach the effect of convenient to use.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (6)
1. A wrench convenient to clamp comprises a clamp (1) and a handle connected with the clamp (1), wherein a clamping opening used for clamping a nut (11) is formed in the clamp (1), the clamping opening is characterized in that six side walls (12) are combined to form a regular hexagon, a limiting groove (7) is formed in each side wall (12), an extrusion block (9) capable of resetting is rotatably connected in each limiting groove (7), a wedge surface end (14) matched with the inclined surface of the nut (11) is arranged on the upper surface of the extrusion block (9), and a pressure end (15) protruding out of the limiting groove (7) and capable of forming extrusion force on the nut (11) is arranged on the side surface of the extrusion block (9); the clamp is characterized in that a threaded hole (5) with an opening direction consistent with that of the clamping opening is formed in the clamp (1), a screw rod (6) connected with a handle is arranged in the threaded hole (5), and when the clamp is used, the handle is rotated, the screw rod (6) penetrates through the clamp (1) through the threaded hole (5) and abuts against the end face of the nut (11) to drive the clamp (1) to rotate.
2. The easy-to-clamp wrench as claimed in claim 1, wherein the upper surface of the clamp (1) is provided with a detachable rubber pad, the upper surface of the rubber pad can contact with the end surface of the nut (11), and the lower surface of the rubber pad can abut against the end of the screw (6).
3. The wrench convenient to clamp as claimed in claim 1, wherein a mounting seat (2) is further provided between the clamp (1) and the handle, one end of the mounting seat (2) is fixedly connected with the clamp (1), the other end of the mounting seat (2) is fixedly connected with the handle, and the threaded hole (5) penetrates through the mounting seat (2).
4. The wrench convenient to clamp as claimed in claim 1, wherein the pressing block (9) is provided with a rotating shaft (10) mounted on the limiting groove (7), and the rotating shaft (10) is provided with a torsion spring connected with the pressing block (9).
5. The wrench convenient to clamp as claimed in claim 3, wherein the handle comprises a rotating block (3), at least one supporting rod (4) is arranged on the rotating block (3), and the rotating block (3) is fixedly connected with the screw (6).
6. A wrench as claimed in claim 5, characterised in that there are two said supporting rods (4), and the two supporting rods (4) are respectively located at both sides of the rotating block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120140806.6U CN214818272U (en) | 2021-01-19 | 2021-01-19 | Spanner convenient to centre gripping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120140806.6U CN214818272U (en) | 2021-01-19 | 2021-01-19 | Spanner convenient to centre gripping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214818272U true CN214818272U (en) | 2021-11-23 |
Family
ID=78883036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120140806.6U Active CN214818272U (en) | 2021-01-19 | 2021-01-19 | Spanner convenient to centre gripping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214818272U (en) |
-
2021
- 2021-01-19 CN CN202120140806.6U patent/CN214818272U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |