CN219562872U - Micro wrench - Google Patents
Micro wrench Download PDFInfo
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- CN219562872U CN219562872U CN202320728810.3U CN202320728810U CN219562872U CN 219562872 U CN219562872 U CN 219562872U CN 202320728810 U CN202320728810 U CN 202320728810U CN 219562872 U CN219562872 U CN 219562872U
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- wrench
- sliding
- square head
- hole
- micro
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Abstract
The utility model relates to the technical field of wrenches, and provides a micro-motion wrench which comprises a wrench handle, wherein the wrench handle is provided with a mounting hole, a unidirectional rotating piece is arranged on the wrench handle and is positioned in the mounting hole, the wrench handle is provided with a sliding hole, a movable square head is arranged on the unidirectional rotating piece in a sliding manner and penetrates through the sliding hole, and one end of the movable square head protrudes out of one side surface of the wrench handle after sliding, or the other end of the movable square head protrudes out of the other side surface of the wrench handle. Through the technical scheme, the problem that the rotation direction adjusting form of the ratchet wrench is inconvenient in the prior art under the tighter working occasion is solved.
Description
Technical Field
The utility model relates to the technical field of wrenches, in particular to a micro wrench.
Background
People can use the spanner to screw bolts, screws, nuts and the like, external force is applied to the handle of the spanner to easily unscrew, but for some narrow working occasions, a ratchet spanner is needed, the front end of the ratchet spanner is a square hole, movable balls are embedded in the square hole, the nuts can be unscrewed or screwed down only by swinging for a small angle, and the ratchet spanner has the following problems when in use:
the ratchet wrench is complex in structure, inconvenient to produce and install, and meanwhile, the square hole of the ratchet wrench is positioned on one fixed side of the handle part, the fixed rotation direction of the square hole is adjusted through the button, the working efficiency of the rotation direction adjusting mode still needs to be improved, and the ratchet wrench is not suitable for more compact working occasions.
Disclosure of Invention
The utility model provides a micro-wrench, which solves the problem that the rotation direction adjustment form of a ratchet wrench is inconvenient in a tighter working occasion in the related art.
The technical scheme of the utility model is as follows:
a micro wrench comprises
A spanner handle provided with a mounting hole,
a unidirectional rotating piece which is arranged on the wrench handle and positioned in the mounting hole and provided with a sliding hole,
the movable square head is arranged on the unidirectional rotating piece in a sliding way and penetrates through the sliding hole, and one end of the movable square head protrudes out of one side surface of the wrench handle after sliding, or the other end of the movable square head protrudes out of the other side surface of the wrench handle.
As a further technical proposal, the movable square head is provided with a chute, and the unidirectional rotating piece comprises
A one-way bearing arranged on the wrench handle and positioned in the mounting hole,
the sleeve is arranged on the one-way bearing and is provided with the sliding hole and the through hole, the sliding hole is communicated with the through hole and the sliding groove,
and the limiting piece is detachably arranged on the sleeve and penetrates through the through hole, and one end of the limiting piece is positioned in the sliding groove.
As a further technical scheme, the movable square head is symmetrically provided with two first limit grooves, the sleeve is also provided with a second limit groove, the second limit groove is communicated with the slide hole, and the movable square head further comprises
The limiting block is arranged in the first limiting groove in a sliding way, and stretches into or stretches out of the second limiting groove after sliding,
the elastic piece is arranged on the movable square head, is positioned in the first limiting groove, is connected with the limiting block, and provides force for the limiting block to extend into the second limiting groove.
As a further technical scheme, the sleeve is cylindrical, and the sliding direction of the limiting block is along the radial direction of the sleeve.
As a further technical scheme, the limiting block is spherical.
As a further technical scheme, the sliding direction of the movable square head is parallel to the axial direction of the unidirectional bearing.
As a further technical scheme, the one-way bearing is a one-way needle bearing.
As a further technical proposal, also comprises
The end cover is arranged on the wrench handle and positioned at the mounting hole, and the one-way bearing is positioned between the end cover and the wrench handle.
The working principle and the beneficial effects of the utility model are as follows:
in the utility model, in a more compact working occasion, a plurality of nuts with different screwing directions which are close to each other and have different directions are encountered, the existing ratchet wrench is used, the nuts with the same screwing direction in different directions can only be screwed down firstly and then extend into the working occasion, the fixed screwing direction of the ratchet wrench is adjusted, then extend into the working occasion, the screwing operation is carried out on the nuts with the other screwing direction, the steps are complicated, the working efficiency is reduced, meanwhile, the structure of the existing ratchet wrench is complex, the square hole of the ratchet wrench is positioned on one side of the fixed handle part, and the nuts with different directions also need to turn over the ratchet wrench back and forth, so the micro wrench is designed.
The movable square head of the micro-motion wrench can reciprocate, one end of the movable square head is positioned on one side of the wrench handle or the other end of the movable square head is positioned on the other side of the wrench handle, when the conditions are faced, namely, the corresponding sides of the wrench handle in the space are screwed to proper nuts, the movable square head does not need to be independently adjusted in the working occasion, the movable square head is manually attached to a wall in the tight working occasion, then the movable square head moves relative to the wrench handle, the working end position of the movable square head is adjusted, the protruding part of the movable square head is the working end, the movable square head is connected with an adapter sleeve in working and is further used for screwing fasteners such as bolts, the screwing direction of a unidirectional rotating piece is fixed, the position of the protruding end is adjusted according to different using modes of workers, the adjusting mode is more convenient, the movable square head does not need to extend out of a working space at all, the purpose of adjusting can be achieved in the space, meanwhile, in order to prevent the movable square head from sliding unstably, the movable square head can be tightly matched with the movable square head, in the tight space, the tight space is used for screwing operation of the bolt, the wrench is directly screwed to be screwed at a certain angle after the operation of the upper bolt and the lower bolt is completed, and the operation of the bolt is directly screwed at the right side.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a micro wrench according to the present utility model;
FIG. 2 is a schematic diagram of an internal structure of a micro wrench according to the present utility model;
FIG. 3 is an enlarged view of portion B of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic diagram of a movable square head according to the present utility model;
FIG. 5 is a cross-sectional view of a movable square head according to the present utility model;
FIG. 6 is a schematic view of a sleeve structure according to the present utility model;
FIG. 7 is a cross-sectional view of a sleeve according to the present utility model;
FIG. 8 is a schematic view of a one-way bearing structure according to the present utility model;
FIG. 9 is a cross-sectional view of a one-way bearing of the present utility model;
FIG. 10 is a schematic view of a wrench handle according to the present utility model;
FIG. 11 is a cross-sectional view of a wrench handle according to the present utility model;
FIG. 12 is a schematic view of an end cap structure according to the present utility model;
FIG. 13 is a cross-sectional view of an end cap of the present utility model;
FIG. 14 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;
in the figure: 1. spanner handle, 2, mounting hole, 3, unidirectional rotation piece, 4, slide hole, 5, activity square head, 6, spout, 7, sleeve, 8, through-hole, 9, locating part, 10, first spacing recess, 11, second spacing recess, 12, stopper, 13, elastic component, 14, end cover, 15, unidirectional bearing.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.
As shown in fig. 1-14, the embodiment provides a micro wrench comprising
A spanner handle 1, which is provided with a mounting hole 2,
a unidirectional rotating piece 3 which is arranged on the wrench handle 1 and is positioned in the mounting hole 2 and is provided with a sliding hole 4,
the movable square head 5 is slidably arranged on the unidirectional rotating piece 3 and penetrates through the sliding hole 4, and one end of the movable square head 5 after sliding is positioned on one side of the wrench handle 1, or the other end of the movable square head is positioned on the other side of the wrench handle 1.
In this embodiment, in a more compact working place, a plurality of nuts with different screwing directions and approaching to each other are encountered, and an existing ratchet wrench is used, and after nuts with the same screwing direction in different directions can only be screwed down first, the nuts can be stretched into the working place first, the fixed screwing direction of the ratchet wrench is adjusted, then the nuts with the other screwing direction are stretched into the working place, the screwing operation is carried out on the nuts with the other screwing direction, the steps are complicated, the working efficiency is reduced, meanwhile, the structure of the existing ratchet wrench is complex, the square hole of the ratchet wrench is positioned on one side of the fixed handle part, and the nuts with different directions also need to turn over the ratchet wrench back and forth, so that a micro wrench is designed.
The movable square head 5 of the micro-motion wrench can reciprocate, one end of the movable square head 5 is located on one side of the wrench handle 1 or the other end of the movable square head is located on the other side of the wrench handle 1, when the conditions are faced, namely, the corresponding sides of the wrench handle 1 in the space are screwed to appropriate nuts, the movable square head 5 does not need to be independently adjusted in a stretching working place, only the movable square head is used in a compact working place, the movable square head 5 is manually attached to a wall, then the movable square head 5 moves relative to the wrench handle 1, the working end position of the movable square head 5 is adjusted, the protruding part of the movable square head 5 is the working end, the movable square head is connected with an adapter sleeve in working, and then the fastening piece is used for screwing a bolt.
Further, the movable square head 5 is provided with a chute 6, and the unidirectional rotating piece 3 comprises
A one-way bearing 15, which is arranged on the wrench handle 1 and is positioned in the mounting hole 2,
a sleeve 7 arranged on the one-way bearing 15 and provided with the sliding hole 4 and a through hole 8, wherein the sliding hole 4 is communicated with the through hole 8 and the sliding groove 6,
the limiting piece 9 is detachably arranged on the sleeve 7 and penetrates through the through hole 8, and one end of the limiting piece 9 is located in the sliding groove 6.
In this embodiment, in order to improve the sliding stability of movable square head 5, design movable square head 5 has spout 6, and unidirectional rotation spare 3 includes one-way bearing 15 and sleeve 7, is provided with sleeve 7 on the one-way bearing 15, and movable square head 5 slides and sets up in the slide hole 4 of sleeve 7, and the surface of more inseparable laminating movable square head 5 restricts its random to different position slip, sets up through-hole 8 simultaneously on sleeve 7, and slide hole 4 intercommunication through-hole 8 and spout 6 can be dismantled in through-hole 8 and be provided with locating part 9, and locating part 9 one end passes slide hole 4 and stretches into spout 6, also plays the restriction effect in spout 6 at movable square head 5 slip in-process, improves movable square head 5 sliding stability.
Further, two first limiting grooves 10 are symmetrically arranged on the movable square head 5, the sleeve 7 is further provided with a second limiting groove 11, the second limiting groove 11 is communicated with the sliding hole 4, and the sliding device further comprises
The limiting block 12 is arranged in the first limiting groove 10 in a sliding way, the limiting block 12 stretches into or stretches out of the second limiting groove 11 after sliding,
the elastic piece 13 is arranged on the movable square head 5, is positioned in the first limiting groove 10, is connected with the limiting block 12, and provides force for the limiting block 12 to extend into the second limiting groove 11.
Further, the sleeve 7 is cylindrical, and the sliding direction of the limiting block 12 is along a radial direction of the sleeve 7.
Further, the limiting block 12 is spherical.
Further, the sliding direction of the movable square head 5 is parallel to the axial direction of the one-way bearing 15.
In this embodiment, in order to stably locate one end of the movable square head 5 at one side of the wrench handle 1 during the working process, two first limit grooves 10 symmetrically arranged are designed to be provided with limit blocks 12 in a sliding manner, an elastic piece 13 is arranged in the first limit grooves 10 to provide a force for the limit blocks 12 to extend into a second limit groove 11 communicated with the first limit groove 10, during normal working, the limit blocks 12 are stably clamped in the second limit groove 11, when the rotation direction is required to be changed, the movable square head 5 is slid, the inner wall of the inner cylinder extrudes the limit blocks 12 to retract into the first limit groove 10, and when the limit blocks 12 at the other side extend into the second limit groove 11 under the action of the elastic piece 13, the rotation direction adjustment is completed; further design sleeve 7 is cylindricality, and stopper 12 slip direction is along sleeve 7 a radial setting, and movable square head 5 slip direction is on a parallel with one-way bearing 15 axial, improves job stabilization nature, and stopper 12 is spherical, prevents that stopper 12 removes the in-process and appears the screens condition.
Further, the one-way bearing 15 is a one-way needle bearing.
In this embodiment, the unidirectional needle bearing can achieve the purpose of fixing the rotation direction, and at the same time, the use condition of a tighter working occasion is satisfied, because the volume of the needle bearing is usually small.
Further, also include
And the end cover 14 is arranged on the wrench handle 1 and positioned at the mounting hole 2, and the one-way bearing 15 is positioned between the end cover 14 and the wrench handle 1.
In this embodiment, in order to facilitate installation and production, an end cover 14 is installed at the installation hole 2, and when in maintenance, the one-way bearing 15 can be directly maintained by detaching the end cover 14.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. A micro wrench, which is characterized by comprising
A spanner handle (1) provided with a mounting hole (2),
a unidirectional rotating piece (3) which is arranged on the wrench handle (1) and is positioned in the mounting hole (2) and provided with a sliding hole (4),
the movable square head (5) is arranged on the unidirectional rotating piece (3) in a sliding manner and penetrates through the sliding hole (4), and one end of the movable square head (5) protrudes out of one side surface of the wrench handle (1) after sliding, or the other end protrudes out of the other side surface of the wrench handle (1).
2. The micro wrench as claimed in claim 1, wherein the movable square head (5) has a slide groove (6), and the unidirectional rotating member (3) comprises
A one-way bearing (15) arranged on the wrench handle (1) and positioned in the mounting hole (2),
a sleeve (7) arranged on the unidirectional bearing (15) and provided with a sliding hole (4) and a through hole (8), the sliding hole (4) is communicated with the through hole (8) and the sliding groove (6),
the limiting piece (9) is detachably arranged on the sleeve (7) and penetrates through the through hole (8), and one end of the limiting piece (9) is located in the sliding groove (6).
3. The micro wrench according to claim 2, wherein the movable square head (5) is symmetrically provided with two first limiting grooves (10), the sleeve (7) further has a second limiting groove (11), the second limiting groove (11) is communicated with the sliding hole (4), and the micro wrench further comprises
The limiting block (12) is arranged in the first limiting groove (10) in a sliding way, the limiting block (12) stretches into or stretches out of the second limiting groove (11) after sliding,
the elastic piece (13) is arranged on the movable square head (5), is positioned in the first limiting groove (10), is connected with the limiting block (12), and provides force for the limiting block (12) to extend into the second limiting groove (11).
4. A micro wrench as claimed in claim 3, wherein the sleeve (7) is cylindrical, and the sliding direction of the stopper (12) is arranged along a radial direction of the sleeve (7).
5. A micro wrench as claimed in claim 3, wherein the stopper (12) is spherical.
6. A micro wrench as claimed in claim 2, wherein the sliding direction of the movable square head (5) is parallel to the axial direction of the unidirectional bearing (15).
7. A micro wrench as claimed in claim 2, wherein the one-way bearing (15) is a one-way needle bearing.
8. The micro wrench as claimed in claim 2, further comprising
The end cover (14) is arranged on the wrench handle (1) and is positioned at the mounting hole (2), and the one-way bearing (15) is positioned between the end cover (14) and the wrench handle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320728810.3U CN219562872U (en) | 2023-04-04 | 2023-04-04 | Micro wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320728810.3U CN219562872U (en) | 2023-04-04 | 2023-04-04 | Micro wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219562872U true CN219562872U (en) | 2023-08-22 |
Family
ID=87658974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320728810.3U Active CN219562872U (en) | 2023-04-04 | 2023-04-04 | Micro wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219562872U (en) |
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2023
- 2023-04-04 CN CN202320728810.3U patent/CN219562872U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |