CN218927324U - Head shell structure of angle grinder - Google Patents
Head shell structure of angle grinder Download PDFInfo
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- CN218927324U CN218927324U CN202223123658.0U CN202223123658U CN218927324U CN 218927324 U CN218927324 U CN 218927324U CN 202223123658 U CN202223123658 U CN 202223123658U CN 218927324 U CN218927324 U CN 218927324U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the technical field of angle grinders, in particular to a head shell structure of an angle grinder, which comprises a head shell main body, wherein the head shell main body comprises a connecting part and a mounting part, a transmission hole is formed in the middle of the connecting part, a main shaft hole is formed in the middle of the mounting part, the axis of the transmission hole is mutually perpendicular to the axis of the main shaft hole, a transmission shaft is inserted into the transmission hole, a main shaft is arranged in the main shaft hole, the transmission shaft is mutually perpendicular to the main shaft, the transmission shaft is meshed with the main shaft, a self-locking hole which penetrates up and down is formed in the mounting part, the self-locking hole comprises a locking cap hole and a locking shaft hole, the locking cap hole is in a polygon shape, a locking shaft piece is arranged in the self-locking hole and comprises a locking cap and a locking shaft arranged below the locking cap, the locking cap is in a polygon shape matched with the locking cap hole, and the locking shaft is in a circle shape; the lock cap is arranged in the lock cap hole, so that the lock cap is limited to rotate in the lock cap hole, the lock shaft piece is pressed down to enable the lock shaft to fix the main shaft, the lock shaft piece is prevented from loosening due to rotation, the locking stability is improved, and friction is reduced.
Description
Technical Field
The utility model belongs to the technical field of angle grinders, and particularly relates to a head shell structure of an angle grinder.
Background
The angle grinder is a device for grinding, cutting, rust removing and polishing metal members by using a sheet grinding wheel rotating at a high speed, a rubber grinding wheel, a wire wheel and the like. Because the grinding wheel of the angle grinder is easy to wear, the grinding wheel needs to be replaced frequently, and the main shaft is fixed and not rotated when the grinding wheel is replaced, so that the grinding wheel can be detached or installed.
In order to facilitate replacement of the grinding wheel, the angle grinder on the market at present is provided with a lock shaft piece used for fixing the main shaft on the head shell of the angle grinder, when the lock shaft piece is pressed down, the lower end of the lock shaft piece can clamp the main shaft, so that the main shaft can not rotate along with the nut used for fixing the grinding wheel on the main shaft when the nut used for fixing the grinding wheel is rotated, thereby facilitating the replacement of the grinding wheel, two wrenches are not required, one of the wrenches clamps the main shaft, the other of the wrenches rotates the nut, and the machine body is also required to be fixed; the mode has made things convenient for the change of angle mill grinding wheel, but the mounting hole that is used for installing the lock axle spare on the angle mill head shell at present all is circular, and the lock axle spare can take place to rotate in circular mounting hole, and the multitime rotates easily with the lock axle spare from the mounting hole internal rotation a distance, makes the lock axle spare card not to catch or block not tight main shaft, influences locking effect, and the locking cap is the plastics material moreover, and the wearing and tearing also can take place for multitime rotation.
Disclosure of Invention
The utility model aims to provide a head shell structure of an angle grinder, which has a simple structure and can prevent a lock shaft member from rotating.
The purpose of the utility model is realized in the following way:
the utility model provides a head shell structure of angle mill, includes the head shell main part, the head shell main part includes connecting portion and the installation department that is used for installing the main shaft that are connected with the angle mill, the drive hole has been seted up at connecting portion middle part, the main shaft hole has been seted up at installation portion middle part, the axis in drive hole and the axis mutually perpendicular in main shaft hole, the drive downthehole transmission shaft that is provided with of drive, the transmission shaft mutually perpendicular with the main shaft, the transmission shaft meshes with the main shaft, and the transmission shaft rotates and can drive the main shaft and rotate, set up the auto-lock hole that link up from top to bottom on the installation department, the auto-lock hole includes locking cap hole and locking shaft hole, the locking cap hole is the polygon, the locking shaft hole is circular, be provided with the locking shaft spare in the self-lock hole, the locking shaft spare includes locking cap and sets up the locking shaft in locking cap below, the locking shaft is circular with locking cap shape adaptation. The lock cap is arranged in the lock cap hole, so that the lock cap is limited to rotate in the lock cap hole, and the lock shaft piece is pressed down to fix the lock shaft on the main shaft.
In the utility model, the lock cap hole is quadrilateral, the lock cap is correspondingly quadrilateral, and the lock cap is arranged in the lock cap hole, so that the lock cap is limited to rotate in the lock cap hole.
In the utility model, a plurality of heat dissipation holes are formed on the connecting part.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
the utility model relates to a head shell arranged at the front end of an angle grinder, which is mainly used for installing a grinding wheel main shaft and is connected with an angle grinder main body, so that a motor in the angle grinder main body is connected with the main shaft and drives the main shaft to rotate. The head shell comprises a connecting part and a mounting part, wherein the connecting part is connected with a main body of the angle grinder through a screw, a transmission hole is formed in the middle of the connecting part, a motor shaft or a transmission shaft in the main body of the angle grinder extends into the mounting part through the transmission hole, and a main shaft with a vertical axis is arranged in the mounting part; the head shell is also provided with the lock shaft part used for limiting the rotation of the main shaft, the lock shaft part comprises the lock cap positioned above the head shell and the lock shaft arranged below the lock cap, the lock cap is polygonal in shape, and the head shell is provided with the lock cap hole matched with the lock cap in shape, so that the rotation of the lock cap and the lock shaft can be limited, the lock shaft part is prevented from loosening due to the rotation, the locking stability is improved, and the friction is reduced.
Drawings
Fig. 1 is a schematic side view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is one of the structural schematic diagrams of the present utility model.
FIG. 4 is a second schematic structural view of the present utility model.
The meaning indicated by the reference numerals in the figures:
1-a head shell body; a 2-connection; 3-an installation part; 4-a transmission hole; 5-a spindle hole; 6-self-locking hole; 7-a locking cap hole; 8-a lock shaft hole; 9-heat dissipation holes.
Detailed Description
The utility model is further described with reference to the following specific examples:
the head shell structure of the angle grinder comprises a head shell main body 1, wherein the head shell main body 1 comprises a connecting part 2 connected with the angle grinder and a mounting part 3 used for mounting a main shaft, a transmission hole 4 is formed in the middle of the connecting part 2, a main shaft hole 5 is formed in the middle of the mounting part 3, the axis of the transmission hole 4 is mutually perpendicular to the axis of the main shaft hole 5, a transmission shaft is inserted into the transmission hole 4, the main shaft is arranged in the main shaft hole 5, the transmission shaft is mutually perpendicular to the main shaft, the transmission shaft is meshed with the main shaft, the transmission shaft can drive the main shaft to rotate, a self-locking hole 6 which penetrates up and down is formed in the mounting part 3, the self-locking hole 6 comprises a lock cap hole 7 and a lock shaft hole 8, the lock cap hole 7 is polygonal, a lock shaft piece is arranged in the self-locking hole 6, the lock shaft piece comprises a lock cap and a lock shaft arranged below the lock cap, the lock cap is polygonal in shape matched with the lock cap 7, and the lock shaft is circular; the lock cap is arranged in the lock cap hole 7, so that the lock cap is limited to rotate in the lock cap hole 7, and the lock shaft member is pressed down to fix the lock shaft on the main shaft.
The utility model relates to a head shell arranged at the front end of an angle grinder, which is mainly used for installing a grinding wheel main shaft and is connected with an angle grinder main body, so that a motor in the angle grinder main body is connected with the main shaft and drives the main shaft to rotate. The head shell comprises a connecting part 2 and a mounting part 3, wherein the connecting part 2 is connected with an angle grinder main body through a screw, a transmission hole 4 is formed in the middle of the connecting part 2, a motor shaft or a transmission shaft in the angle grinder main body extends into the mounting part 3 through the transmission hole 4, and a main shaft with a vertical axis is arranged in the mounting part 3; the head shell is also provided with a lock shaft part for limiting the rotation of the main shaft, the lock shaft part comprises a lock cap positioned above the head shell and a lock shaft arranged below the lock cap, the lock cap is polygonal in shape, and the head shell is provided with a lock cap hole 7 matched with the lock cap in shape, so that the rotation of the lock cap and the lock shaft can be limited, the lock shaft part is prevented from loosening due to the rotation, the locking stability is improved, and the friction is reduced.
In a preferred mode of the utility model, the lock cap hole 7 is quadrilateral, the lock cap is correspondingly quadrilateral, and the lock cap is arranged in the lock cap hole 7, so that the lock cap is limited to rotate in the lock cap hole 7.
In a preferred mode of the present utility model, the connecting portion 2 is provided with a plurality of heat dissipation holes 9. The heat dissipation hole 9 is used for heat dissipation in the head shell when the angle grinder works.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (3)
1. The utility model provides a head shell structure of angle mill which characterized in that: the novel self-locking nut comprises a nut body (1), wherein the nut body (1) comprises a connecting part (2) connected with an angle grinder and a mounting part (3) used for mounting a main shaft, a transmission hole (4) is formed in the middle of the connecting part (2), a main shaft hole (5) is formed in the middle of the mounting part (3), the axis of the transmission hole (4) is mutually perpendicular to the axis of the main shaft hole (5), a transmission shaft is inserted in the transmission hole (4), the main shaft hole (5) is internally provided with the main shaft, the transmission shaft is mutually perpendicular to the main shaft, the transmission shaft is meshed with the main shaft, the transmission shaft can drive the main shaft to rotate, a self-locking hole (6) which penetrates up and down is formed in the mounting part (3), the self-locking hole (6) comprises a locking cap hole (7) and a locking shaft hole (8), the locking cap hole (7) is polygonal, a locking shaft piece is arranged in the self-locking hole (6), the locking shaft piece comprises a locking cap and a locking shaft arranged below the locking cap, the locking cap is circular in the shape and is matched with the locking shaft of the locking cap (7); the lock cap is arranged in the lock cap hole (7), so that the lock cap is limited to rotate in the lock cap hole (7), and the lock shaft member can be pressed down to fix the lock shaft on the main shaft.
2. The head housing structure of an angle grinder as set forth in claim 1, wherein: the lock cap hole (7) is quadrilateral, the lock cap is quadrilateral, and the lock cap is arranged in the lock cap hole (7), so that the lock cap is limited to rotate in the lock cap hole (7).
3. A head housing structure of an angle grinder according to claim 1 or 2, wherein: a plurality of heat dissipation holes (9) are formed in the connecting portion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223123658.0U CN218927324U (en) | 2022-11-24 | 2022-11-24 | Head shell structure of angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223123658.0U CN218927324U (en) | 2022-11-24 | 2022-11-24 | Head shell structure of angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218927324U true CN218927324U (en) | 2023-04-28 |
Family
ID=86093996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223123658.0U Active CN218927324U (en) | 2022-11-24 | 2022-11-24 | Head shell structure of angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218927324U (en) |
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2022
- 2022-11-24 CN CN202223123658.0U patent/CN218927324U/en active Active
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