CN220481557U - Spanner with adjustable handle angle and rotation moment - Google Patents
Spanner with adjustable handle angle and rotation moment Download PDFInfo
- Publication number
- CN220481557U CN220481557U CN202223009508.7U CN202223009508U CN220481557U CN 220481557 U CN220481557 U CN 220481557U CN 202223009508 U CN202223009508 U CN 202223009508U CN 220481557 U CN220481557 U CN 220481557U
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- rod
- wrench
- spanner
- shell
- adjusting mechanism
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- 238000009434 installation Methods 0.000 abstract description 12
- 238000011835 investigation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model provides a spanner with adjustable handle angle and rotation moment, which comprises a spanner rod and is characterized in that the spanner rod is divided into a front spanner rod and a rear spanner rod through a moment adjusting mechanism at a joint, the front end of the front spanner rod is provided with an inserting hole, a replaceable spanner head is inserted into the inserting hole, and the tail end of the rear spanner rod is provided with two handles connected with an angle adjusting mechanism. The spanner head can go deep into narrow and small and long installation space through the front spanner rod and the rear spanner rod which are connected end to end and is matched with the screw to be locked or loosened, the torque adjusting mechanism avoids the bolt sliding wire caused by overlarge force, and the included angle of the two handles is adjusted and fixed through the angle adjusting mechanism so as to adapt to the operation in the installation space with different sizes, improve the assembly efficiency and reduce the assembly difficulty.
Description
Technical Field
The utility model relates to a wrench, in particular to a wrench with an adjustable handle angle and rotation moment, and belongs to the technical field of tool design and manufacturing.
Background
At present, the thermal infrared imager is equipment with more configuration on a military platform and is widely applied to the fields of investigation, identification, detection and the like. The known military platform is formed by combining a plurality of system components with complex structures, and the infrared thermal imager itself needs to have higher investigation capability, better concealment performance and stronger impact resistance and anti-interference performance, so that the infrared thermal imager is assembled into a complex and narrow platform invagination space, and when the conventional inner hexagonal wrench is used for assembling, debugging and disassembling the thermal imager in the assembling operation, an operator firstly stretches arms and wrenches into a narrow installation space, then operates the wrench to sequentially screw a large number of bolts into screw holes, and the blind area operation without vision can only be performed under the limitation of the installation space and the shielding of the arms, so that the installation difficulty is further increased, and time and labor are wasted. It is difficult to ensure the assembly quality. There is therefore a need for improvements in the art.
Disclosure of Invention
The utility model provides a wrench with an adjustable handle angle and rotation moment, which aims to solve the problems that an existing thermal infrared imager is difficult to operate, low in working efficiency, difficult to ensure assembly quality and the like due to small installation space and large depth.
The utility model is completed by the following technical scheme; the wrench with the adjustable handle angle and the adjustable rotation torque comprises a wrench rod and is characterized in that the wrench rod is divided into a front wrench rod and a rear wrench rod through a torque adjusting mechanism at a connecting part, an inserting hole is formed in the front end of the front wrench rod, a replaceable wrench head is inserted into the inserting hole, two handles connected with an angle adjusting mechanism are arranged at the tail end of the rear wrench rod, the wrench head inserted into the inserting hole can penetrate into a narrow space to be matched with a screw for locking or loosening operation through the front wrench rod and the rear wrench rod which are connected end to end, excessive force is effectively avoided through the torque adjusting mechanism, the screw is led to slide, and the included angle of the two handles is adjusted and fixed through the angle adjusting mechanism so as to adapt to operation in installation spaces with different sizes, improve the assembly efficiency and reduce the assembly difficulty.
The front spanner rod and the rear spanner rod are both provided with straight rods with axial cavities and circular cross sections, the rear ends of the front spanner rod are connected with the front ends of the rear spanner rods through the torque adjusting mechanism, so that the front spanner rod and the rear spanner rod with two sections are increased in length, and the front spanner rod and the rear spanner rod can be inserted into a deeper installation space to carry out assembly operation.
The torque adjusting mechanism comprises a first shell, a limiting pin, a limiting slip ring and a second shell, wherein the first shell is arranged at the rear end of the front spanner rod and is internally provided with a cavity;
the limiting sliding ring is internally provided with a limiting clamping groove which is clamped with the outer edge of the front end of the rear spanner rod, an axial groove is formed along the outer wall of the limiting pin, the axial groove is matched and connected with a limiting block, the limiting block is connected with a spring and an adjusting screw rod which are arranged in a screw hole in the side wall of the shell, and the outer end of the adjusting screw rod passes through the screw hole to extend outwards and then is connected with a rotary handle arranged outside the shell;
the end part of the limiting block is provided with an arc-shaped surface, and correspondingly, the axial groove of the outer wall of the limiting pin is also provided with an arc-shaped surface;
so that the rear spanner rod drives the limiting pin to rotate in the first shell cavity through the axial groove on the outer wall of the limiting pin, the pressing force of the limiting block and the axial groove is adjusted through the adjusting screw to realize torque adjustment, when the rotating torque is lower than the elastic force of the current spring, the limiting block is matched with the axial groove and enables the front spanner rod and the rear spanner rod to rotate simultaneously, when the rotating torque exceeds the elastic force of the current spring, the limiting block and the axial groove can generate sliding displacement, and further the rotating speed difference of the front spanner rod and the rear spanner rod is caused, so that the bolt which needs to be screwed is prevented from being damaged due to overlarge force.
The angle adjusting mechanism comprises a second shell which is connected with the tail end of the rear spanner rod and is internally provided with a cavity, the cavity is internally provided with a gear shaft provided with a central gear, the inner side of the outer edge of the gear shaft is provided with a large gear provided with an annular gear, the large gear is symmetrically provided with three driven gears which are distributed in a delta shape and meshed with the central gear, one end of the shell is also provided with a pawl, the other end of the shell is provided with a swinging rod of a pressing column, the swinging rod is hinged with the shell through a swinging shaft, the pawl is connected with a plurality of clamping teeth on the outer edge of the large gear in a matching way, the inner end of the pressing column is sleeved with a first reset spring, the outer end of the pressing column penetrates through a through hole on the side wall of the shell to extend outwards, the outer edge of the large gear is wound with a pull rope, the pull rope is connected with a second reset spring which is arranged in the axial cavity of the rear spanner rod, one driven gear shaft is connected with a first handle, and the shaft of the central gear is connected with a second handle so as to control the first handle or the second handle to drive the central gear and the driven gear to finish the adjustment of the included angle of the first handle and the second handle, and the pawl is locked by the two handles through the swinging rod with different angles, so that the two handles with different adjustment angles can be locked and can be installed in different spaces; when the lock is unlocked, the pressing column is pressed down, so that the swing rod drives the pawl to be separated from the buckling of the latch on the outer side of the outer edge of the large gear, and simultaneously the pull rope is pulled back under the action of the second return spring, so that the large gear rotates to drive the two handles to return.
The socket is provided as a conventional socket to facilitate insertion of different types of wrench heads within the socket.
The utility model has the following advantages and effects: by adopting the scheme, the spanner head can be locked or loosened through the cooperation of the front spanner rod and the rear spanner rod which are connected end to end and matched with the screw in a narrow and long installation space, the bolt sliding wire caused by overlarge force is avoided through the moment adjusting mechanism, and the included angle of the two handles is adjusted and fixed through the angle adjusting mechanism so as to adapt to the operation in the installation space with different sizes, improve the assembly efficiency and reduce the assembly difficulty.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a diagram showing the construction of a torque adjusting mechanism according to the present utility model;
FIG. 4 is a cross-sectional view of the torque adjustment mechanism of the present utility model;
FIG. 5 is a cross-sectional view of the angle adjusting mechanism of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The wrench with adjustable handle angle and rotation moment comprises a wrench rod, wherein the wrench rod is divided into a front wrench rod 5 and a rear wrench rod 3 through a moment adjusting mechanism 4 at a joint, the front end of the front wrench rod 5 is provided with an inserting hole 7, a replaceable wrench head 6 is inserted into the inserting hole 7, the tail end of the rear wrench rod 3 is provided with two handles 1 connected with an angle adjusting mechanism 2, the wrench head 6 inserted into the inserting hole 7 can go deep into a narrow space to be matched with a screw for locking or loosening operation through the two front wrench rods 5 and the rear wrench rod 3 which are connected end to end, the screw sliding caused by excessive force is effectively avoided through the moment adjusting mechanism 4, the included angle of the two handles 1 is adjusted and fixed through the angle adjusting mechanism 2 so as to adapt to operation in installation spaces with different sizes, the assembly efficiency is improved, and the assembly difficulty is reduced.
The front spanner rod 5 and the rear spanner rod 3 are both straight rods with an axial cavity and a circular cross section, the rear end of the front spanner rod 5 is connected with the front end of the rear spanner rod 3 through a torque adjusting mechanism 4, so that the front spanner rod 5 and the rear spanner rod 3 with two sections are increased in length, and the front spanner rod and the rear spanner rod can be inserted into a deeper installation space for assembly operation.
The torque adjusting mechanism 4 comprises a first shell 13 which is arranged at the rear end of the front spanner rod 5 and is internally provided with a cavity, the rear end of the shell 13 is provided with an opening communicated with the cavity, a limiting pin 9 which is arranged at the front end of the rear spanner rod 3 is inserted into the cavity through the opening at the rear end of the shell 13, the front end of the rear spanner rod 3 is also sleeved with a limiting slip ring 11 which is fixedly connected with the opening at the rear end of the shell 13, the limiting slip ring 11 is in sliding sleeve connection with the front end of the rear spanner rod 3, the limiting slip ring 11 is internally provided with a limiting clamping groove 12 which is clamped with the outer edge 8 of the front end of the rear spanner rod 3, an axial groove 10 is arranged along the outer wall of the limiting pin 9, the axial groove 10 is matched with a limiting block 14, the limiting block 14 is connected with a spring 15 which is arranged in a side wall screw hole of the shell 13, an adjusting screw 16, the outer end of the adjusting screw 6 is connected with a rotating handle 17 which is arranged outside the shell 13 after passing through the screw hole, the end of the limiting block 14 is correspondingly arranged into an arc surface, the axial groove 10 of the outer wall of the limiting pin 9 is also arranged into an arc surface, so that the axial groove 10 through the outer wall of the limiting pin 9 can enable the axial groove 10 to drive the rear end of the shell 9 to be tightly pressed against the front end of the shell 3, the axial groove 10 to be tightly pressed against the front end of the rotating screw rod 10 by the rotating screw rod, and the axial groove 10 when the axial groove is required to be tightly pressed against the front end of the rotating rod 15, and the front end of the rotating rod 5, and the rotating screw rod is required to be adjusted, and the axial force is required to be high, and the axial force is required to be reduced, and the axial force is required, and the axial force is required and the torque is adjusted.
The angle adjusting mechanism 2 comprises a second shell 18 which is connected with the tail end of a rear spanner rod 3 and is internally provided with a cavity, the cavity is internally provided with a gear shaft 21 on which a central gear 22 is arranged, the gear shaft 21 is provided with a large gear 20 with an inner gear ring arranged at the inner side of the outer edge, the large gear 20 is symmetrically provided with three driven gears 23 which are distributed in a delta shape and meshed with the central gear 22, the cavity of the shell 18 is internally provided with a pawl 19 and a swinging rod 28 with the other end provided with a pressing column 27, the swinging rod 28 is hinged with the shell 18 through a swinging shaft (not shown in the figure), the pawl 19 is connected with a plurality of clamping teeth (not shown in the figure) at the outer edge of the large gear 20 in a matched manner, the inner end of the pressing column 27 is sleeved with a first return spring 26, the outer end of the pressing column passes through a through hole in the side wall of the shell 18 to extend outwards, the outer edge of the large gear 20 is wound with a pull rope 24, the pull rope 24 is connected with a second return spring 25 arranged in the axial cavity of the rear spanner rod 3, one driven gear 23 is connected with a first handle 1, the axle 21 of the central gear 22 is connected with a second handle 1, so that the first handle 1 or the second handle 1 is controlled, the second handle 1 is driven by the second handle 1 or the second handle 1 and the second handle 1 is driven by the second handle 1, and the second handle 1 is well adjusted by the two handles and the two handles 1, and the two handles are well adjusted, and the handle 1 are not matched with the angle and the handle 1, and the handle 1 and the angle is well, and the handle 1 is adjusted; when the lock is unlocked, the pressing column 27 is pressed down, so that the swing rod 28 drives the pawl 19 to be separated from the buckling with the latch teeth on the outer side of the outer edge of the large gear 20, and simultaneously the pull rope 24 is pulled back under the action of the second reset spring 25, so that the large gear 20 rotates to drive the two handles 1 to reset.
The socket 7 is provided as a conventional socket having a hexagonal shape so as to insert different types of wrench heads 6 therein.
Claims (4)
1. The wrench with the adjustable handle angle and the adjustable rotation moment comprises a wrench rod and is characterized in that the wrench rod is divided into a front wrench rod and a rear wrench rod through a moment adjusting mechanism at the joint, the front end of the front wrench rod is provided with an inserting hole, a replaceable wrench head is inserted into the inserting hole, and the tail end of the rear wrench rod is provided with two handles connected with an angle adjusting mechanism;
the torque adjusting mechanism comprises a first shell, a limiting pin, a limiting slip ring and a second shell, wherein the first shell is arranged at the rear end of the front spanner rod and is internally provided with a cavity;
the limiting sliding ring is internally provided with a limiting clamping groove which is clamped with the outer edge of the front end of the rear spanner rod, an axial groove is formed along the outer wall of the limiting pin, the axial groove is matched and connected with a limiting block, the limiting block is connected with a spring and an adjusting screw rod which are arranged in a screw hole in the side wall of the shell, and the outer end of the adjusting screw rod passes through the screw hole to extend outwards and then is connected with a rotary handle arranged outside the shell;
the end part of the limiting block is provided with an arc-shaped surface, and correspondingly, the axial groove of the outer wall of the limiting pin is also provided with an arc-shaped surface.
2. The wrench with adjustable handle angle and rotation moment as claimed in claim 1, wherein the front wrench rod and the rear wrench rod are respectively provided with a straight rod with an axial cavity and a circular cross section, and the rear end of the front wrench rod is connected with the front end of the rear wrench rod through a moment adjusting mechanism.
3. The wrench with adjustable handle angle and rotation moment as claimed in claim 1, wherein the angle adjusting mechanism comprises a second shell connected with the tail end of the rear wrench rod and provided with a cavity therein, a gear shaft provided with a central gear is arranged in the cavity, a large gear provided with an inner gear ring at the inner side of the outer edge thereof is arranged on the gear shaft, three driven gears meshed with the central gear and distributed in a delta shape are symmetrically arranged on the large gear, a pawl is arranged at one end of the cavity of the shell, a pressing column is arranged at the other end of the cavity, the swinging rod is hinged with the shell through a swinging shaft, the pawl is connected with a plurality of clamping teeth at the outer side of the outer edge of the large gear in a matched mode, a first reset spring is sleeved at the inner end of the pressing column, the outer end of the pressing column penetrates through a through hole in the side wall of the shell to extend outwards, a pull rope is wound on the outer edge of the large gear, the pull rope is connected with the second reset spring arranged in the axial cavity of the rear wrench rod, a first handle is connected to one driven gear shaft, and a second handle is connected to the shaft of the central gear.
4. The wrench of claim 1, wherein the socket is a socket having a hexagonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223009508.7U CN220481557U (en) | 2022-11-12 | 2022-11-12 | Spanner with adjustable handle angle and rotation moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223009508.7U CN220481557U (en) | 2022-11-12 | 2022-11-12 | Spanner with adjustable handle angle and rotation moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220481557U true CN220481557U (en) | 2024-02-13 |
Family
ID=89830527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223009508.7U Active CN220481557U (en) | 2022-11-12 | 2022-11-12 | Spanner with adjustable handle angle and rotation moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220481557U (en) |
-
2022
- 2022-11-12 CN CN202223009508.7U patent/CN220481557U/en active Active
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| GR01 | Patent grant | ||
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