CN221042463U - Rotation stopping structure of hand-held tool motor - Google Patents
Rotation stopping structure of hand-held tool motor Download PDFInfo
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- CN221042463U CN221042463U CN202322676718.XU CN202322676718U CN221042463U CN 221042463 U CN221042463 U CN 221042463U CN 202322676718 U CN202322676718 U CN 202322676718U CN 221042463 U CN221042463 U CN 221042463U
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- positioning
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- machine
- machine barrel
- tool motor
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- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the field of hand-held electric tools, in particular to a rotation stopping structure of a hand-held tool motor, which comprises a machine barrel and a machine cover, wherein one side of the machine barrel is provided with a plurality of connecting grooves, the interior of the machine barrel is fixedly provided with a plurality of positioning blocks, the interior of each positioning block is provided with a positioning hole, the interior of the machine cover is fixedly provided with a positioning ring, the interior of the machine barrel is fixedly provided with a limiting groove matched with the motor, and one side of the machine cover is fixedly provided with a second inserted link matched with the connecting groove; according to the utility model, the motor is placed into the machine barrel through the radial positioning ribs, the motor is limited and fixed through the limiting grooves, the second inserting rod on the machine cover is inserted into the connecting groove of the machine barrel correspondingly, the first inserting rod is inserted into the positioning hole of the positioning block, and the mounting block on the machine cover can be rapidly positioned and inserted through the radial positioning ribs on the machine barrel, so that the cylinder type positioning structure is adopted, and the positioning precision is improved.
Description
Technical Field
The utility model relates to the technical field of hand-held electric tools, in particular to a rotation stopping structure of a hand-held tool motor.
Background
A hand-held power tool is a tool designed such that a motor is integrally assembled with a mechanical part, is portable to a work place, and can be held or supported or suspended by hand for operation. The machine body positioning structure of the hand-held electric tool is divided into a cylinder type positioning structure and a left and right shell type positioning structure.
The left and right shell type positioning structure has lower positioning precision, and the barrel type positioning precision is higher, so that the positioning precision directly influences the performance of products. The selection of the machine body material can influence the heat dissipation of the motor, if the plastic machine shell is selected, the heat cannot be timely dissipated, and therefore the accumulated high temperature can demagnetize the magnetic material in the motor, so that the motor is invalid, and the use of the electric tool is influenced.
The motor positioning in the cylinder type positioning structure is divided into axial, radial and rotation stopping positioning. The motor positioning groove is matched with the machine body in a mode of reinforcing the machine body generally. The diameter of the rotation stopping rib is smaller than that of the radial positioning rib, so that the processing difficulty is increased. In addition, the positioning ring and the end face of the machine barrel cannot be completely attached, so that the stability of a product is affected due to clearance fit and axial positioning difference, and the performance and the service life of the product are affected.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model aims to provide a rotation stopping structure of a hand-held tool motor, which adopts a cylinder type positioning structure to improve the positioning precision; the positioning structure is made of metal materials, so that the heat conduction performance is improved.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides a rotation stopping structure of a hand-held tool motor, which adopts the following technical scheme: the machine comprises a machine barrel and a machine cover, wherein a plurality of connecting grooves are formed in one side of the machine barrel, a plurality of positioning blocks are fixedly arranged in the machine barrel, positioning holes are formed in the positioning blocks, a positioning ring is fixedly arranged in the machine cover, a second inserting rod matched with the connecting grooves is fixedly arranged on one side of the machine cover, a mounting block is fixedly arranged on one side of the positioning ring, and a first inserting rod matched with the positioning holes is fixedly arranged on one side of the mounting block.
The inside of holding ring has been seted up the mounting hole, one side fixed mounting of mounting hole has the inner shell, and the inner wall of inner shell is provided with the spacing arc piece of multiunit, the inside swing joint of inner shell has the multiunit to stop the piece that changes, the movable rod is installed to the one end that ends changes the piece, the outer wall cover of movable rod is equipped with reset spring, reset spring's both ends are connected in stopping piece and inner shell respectively, set up like this and realize the location of motor stator through axial positioning, radial positioning, stopping to change the location, improve the positioning accuracy of device, can also drive the piece that ends to change through rotating the inside inner shell of machine cover and stop the motor.
As the preferable scheme, a plurality of radial positioning ribs are arranged in the machine barrel, and the radial positioning ribs are arranged above the positioning blocks, so that the positioning blocks and the mounting blocks can be quickly connected.
As a preferable scheme, the limiting groove matched with the motor is fixedly arranged in the machine barrel, and the motor can be conveniently installed and positioned due to the arrangement.
As the preferable scheme, the inside fixed mounting of holding ring has the clamp splice, the outer wall cover of clamp splice is equipped with the nut, sets up like this and makes holding ring and barrel can not laminate completely.
Preferably, the outer wall of the clamping block is provided with threads, and the inner wall of the nut is provided with matched threads, so that the nut can control the clamping block to expand and contract.
As the preferable scheme, the inside swing joint of cover has the axis of rotation, the outer wall cover of axis of rotation is equipped with the second gear, sets up like this and makes the second gear can rotate in the inside of cover.
As a preferable scheme, the outer wall of the nut is fixedly provided with a first gear, and the first gear is in meshed connection with a second gear, so that the second gear can indirectly drive the nut to rotate.
(III) beneficial effects
Compared with the prior art, the utility model provides a rotation stopping structure of a hand-held tool motor, which has the following beneficial effects:
1. According to the utility model, the motor is placed into the machine barrel through the radial positioning ribs, the motor is limited and fixed through the limiting grooves, the second inserting rod on the machine cover is inserted into the connecting groove of the machine barrel correspondingly, the first inserting rod is inserted into the positioning hole of the positioning block, and the mounting block on the machine cover can be rapidly positioned and inserted through the radial positioning ribs on the machine barrel, so that the cylinder type positioning structure is adopted, and the positioning precision is improved.
2. According to the utility model, the clamping blocks are arranged, so that the positioning ring and the machine body are in clearance fit, the clamping blocks are added between the positioning ring and the machine body, so that the positioning ring can be attached to the machine body, the second gear can be rotated to drive the first gear to rotate, the first gear drives the internal nut to rotate, the nut extrudes the clamping blocks, the limiting of the positioning ring is eliminated, the positioning ring can be conveniently taken out, and the friction between the positioning ring and the machine body can be reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a barrel of the present utility model;
FIG. 2 is a schematic top view of the barrel of the present utility model;
FIG. 3 is a schematic view of the inner cross-section of the cover of the present utility model;
FIG. 4 is a schematic view of a partial inner cross-section of a retaining ring according to the present utility model;
FIG. 5 is a schematic view of a partial inner cross-section of a clamp block of the present utility model;
FIG. 6 is a schematic view showing the internal cross-section of the inner housing of the present utility model.
In the figure: 1. a barrel; 2. a connecting groove; 3. a positioning block; 4. positioning holes; 5. a limit groove; 6. a cover; 7. a positioning ring; 8. a mounting block; 9. a first plunger; 10. a second plunger; 11. clamping blocks; 12. a nut; 13. a first gear; 14. a rotating shaft; 15. a second gear; 16. a mounting hole; 17. radial positioning ribs; 18. a rotation stop block; 19. a moving rod; 20. a return spring; 21. an inner housing; 22. and limiting the arc block.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-6, the embodiment provides a rotation stopping structure of a hand-held tool motor, which comprises a machine barrel 1 and a machine cover 6, wherein one side of the machine barrel 1 is provided with a plurality of connecting grooves 2, the interior of the machine barrel 1 is fixedly provided with a plurality of positioning blocks 3, the interior of each positioning block 3 is provided with a positioning hole 4, the interior of the machine cover 6 is fixedly provided with a positioning ring 7, one side of the machine cover 6 is fixedly provided with a second inserting rod 10 matched with the connecting groove 2, one side of the positioning ring 7 is fixedly provided with a mounting block 8, and one side of the mounting block 8 is fixedly provided with a first inserting rod 9 matched with the positioning hole 4.
The inside of holding ring 7 has been seted up mounting hole 16, one side fixed mounting of mounting hole 16 has interior casing 21, the inner wall of interior casing 21 is provided with multiunit spacing arc piece 22, the inside swing joint of interior casing 21 has multiunit to stop the piece 18 that changes, the movable rod 19 is installed to the one end of stopping the piece 18, the outer wall cover of movable rod 19 is equipped with reset spring 20, reset spring 20's both ends are connected in stopping piece 18 and interior casing 21 respectively, set up like this and realize the location of motor stator through axial positioning, radial positioning, stopping to change the location, improve the positioning accuracy of device.
A plurality of radial positioning ribs 17 are arranged in the machine barrel 1, and the radial positioning ribs 17 are arranged above the positioning block 3, so that the positioning block 3 and the mounting block 8 can be quickly abutted, and the first inserting rod 9 can be conveniently inserted into the positioning hole 4.
The inside of barrel 1 is fixedly provided with the spacing recess 5 that matches with the motor, sets up like this and makes the motor can conveniently install and fix a position.
The inside fixed mounting of holding ring 7 has clamp splice 11, and the outer wall cover of clamp splice 11 is equipped with nut 12, sets up like this and makes holding ring 7 and barrel 1 can not laminate completely, can not produce the friction and cause the damage.
The outer wall of the clamping block 11 is provided with threads, and the inner wall of the nut 12 is provided with matched threads, so that the nut 12 can control the clamping block 11 to expand and contract.
The inside swing joint of lid 6 has axis of rotation 14, and the outer wall cover of axis of rotation 14 is equipped with second gear 15, sets up like this and makes second gear 15 can rotate in the inside of lid 6.
The outer wall of the nut 12 is fixedly provided with a first gear 13, and the first gear 13 is in meshed connection with a second gear 15, so that the second gear 15 can indirectly drive the nut 12 to rotate.
The working principle of the utility model is as follows: when the motor is used, the motor is placed in the machine barrel 1, the motor is limited and fixed through the limiting groove 5, the second inserting rod 10 on the machine cover 6 is inserted into the connecting groove 2 corresponding to the machine barrel 1, the first inserting rod 9 is inserted into the positioning hole 4 of the positioning block 3, the mounting block 8 on the machine cover 6 can be rapidly positioned and inserted through the radial positioning rib 17 on the machine barrel 1, the limiting arc block 22 is driven to rotate through the inner shell 21 positioned in the machine cover 6, the limiting arc block 22 drives the moving rod 19 to move, the moving rod 19 drives the rotation stopping block 18 to limit and decelerate the transmission rod of the motor, and then the inner shell 21 is reversed to drive the rotation stopping block 18 to reset and cancel the limitation;
In order to enable the positioning ring 7 and the machine body to be in clearance fit, the clamping blocks 11 are added between the positioning ring 7 and the machine body, so that the clamping blocks can be attached to the positioning ring 7 and the machine body, friction between the positioning ring 7 and the machine body is reduced, service life is prolonged, the first gear 13 can be driven to rotate by rotating the second gear 15, the first gear 13 drives the nut 12 inside to rotate, the nut 12 extrudes the clamping blocks 11, limiting of the positioning ring 7 is canceled, and the positioning ring 7 can be conveniently taken out.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a hand tool motor's structure of stopping changeing, includes barrel (1) and cover (6), its characterized in that: a plurality of connecting grooves (2) are formed in one side of the machine barrel (1), a plurality of positioning blocks (3) are fixedly arranged in the machine barrel (1), positioning holes (4) are formed in the positioning blocks (3), a positioning ring (7) is fixedly arranged in the machine cover (6), a second inserting rod (10) matched with the connecting grooves (2) is fixedly arranged on one side of the machine cover (6), a mounting block (8) is fixedly arranged on one side of the positioning ring (7), and a first inserting rod (9) matched with the positioning holes (4) is fixedly arranged on one side of the mounting block (8);
The inside of holding ring (7) has been seted up mounting hole (16), one side fixed mounting of mounting hole (16) has inner housing (21), and the inner wall of inner housing (21) is provided with spacing arc piece (22) of multiunit, the inside swing joint of inner housing (21) has multiunit to stop rotating piece (18), the one end of stopping rotating piece (18) is installed movable rod (19), the outer wall cover of movable rod (19) is equipped with reset spring (20), reset spring (20) both ends are connected in stopping rotating piece (18) and inner housing (21) respectively.
2. A rotation stopping structure of a hand tool motor according to claim 1, wherein: a plurality of radial positioning ribs (17) are arranged in the machine barrel (1), and the radial positioning ribs (17) are arranged above the positioning blocks (3).
3. A rotation stopping structure of a hand tool motor according to claim 1, wherein: and a limit groove (5) matched with the motor is fixedly arranged in the machine barrel (1).
4. A rotation stopping structure of a hand tool motor according to claim 1, wherein: the inside of holding ring (7) is fixed mounting has clamp splice (11), the outer wall cover of clamp splice (11) is equipped with nut (12).
5. The anti-rotation structure of a hand tool motor of claim 4, wherein: the outer wall of the clamping block (11) is provided with threads, and the inner wall of the nut (12) is provided with matched threads.
6. A rotation stopping structure of a hand tool motor according to claim 1, wherein: the inside swing joint of cover (6) has axis of rotation (14), the outer wall cover of axis of rotation (14) is equipped with second gear (15).
7. The anti-rotation structure of a hand tool motor of claim 5, wherein: the outer wall of the nut (12) is fixedly provided with a first gear (13), and the first gear (13) is in meshed connection with a second gear (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676718.XU CN221042463U (en) | 2023-10-07 | 2023-10-07 | Rotation stopping structure of hand-held tool motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676718.XU CN221042463U (en) | 2023-10-07 | 2023-10-07 | Rotation stopping structure of hand-held tool motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221042463U true CN221042463U (en) | 2024-05-28 |
Family
ID=91184075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322676718.XU Active CN221042463U (en) | 2023-10-07 | 2023-10-07 | Rotation stopping structure of hand-held tool motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221042463U (en) |
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2023
- 2023-10-07 CN CN202322676718.XU patent/CN221042463U/en active Active
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