CN219403733U

CN219403733U - Hand-held type polisher protective structure

Info

Publication number: CN219403733U
Application number: CN202320469226.0U
Authority: CN
Inventors: 孟习运; 施道权; 施道勇
Original assignee: Tianbao Wuhua Hefei Metal Engineering Co ltd
Current assignee: Tianbao Wuhua Hefei Metal Engineering Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-25
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to a hand-held type polisher protective structure, which comprises a body, the emery wheel has been installed to the drive shaft of body, the dress is installed for the position of drive shaft to the body side, the bottom side of dress is equipped with the cover that shelters from, the lateral surface of dress is matched with and be located the position of cover that shelters from is equipped with joint subassembly, and the cavity has been seted up for the position of joint subassembly to the inside of dress cover, joint subassembly includes the fixture block of sliding connection in the cavity, and the movable rod has been installed to the side of fixture block, the movable rod slides and runs through the dress and to the outside of dress is matched with, the telescopic spring has been worn in the position that the movable rod middle part is located between fixture block and the cavity inside wall, the cover that shelters from is pegged graft in the bottom side of dress matched with through the inserted block, and the inserted block extends to the cavity, squeeze contact between fixture block and the inserted block, thereby when the cover that shelters from on the polisher need carry out dust impurity clearance, the cover that dismantles on the polisher that can be quick.

Description

Hand-held type polisher protective structure

Technical Field

The application relates to the technical field of handheld grinding machines, and more particularly relates to a handheld grinding machine protection structure.

Background

The polisher is widely applied to polishing treatment of the surface of a workpiece. There are a wide variety of sanders available in the market, depending on the sanding requirements of different products. At present, the hand-held type polisher is because of its small and exquisite convenience, and is used extensively, and hand-held type polisher mainly includes polisher body, the transmission shaft, chuck and polishing head, this internal motor or air motor that is the power supply of polisher, the transmission shaft is connected with motor or air motor transmission and stretches out from the front end of polisher body, thereby polishing head passes through the chuck and installs in the front end of transmission shaft, thereby motor or air motor drive transmission shaft rotates the polishing head rotation on drive chuck and the chuck, so, the operating personnel rubs rotatory polishing head and the surface of waiting to process the work piece through hand-held type polisher, can reach the purpose of getting rid of the surperficial unnecessary material of waiting to process the work piece.

The inventor believes that, in the current market, most of shielding covers of a handheld grinding machine are fixedly assembled at grinding wheel positions of the grinding machine through screws, and when impurities in the shielding covers need to be cleaned or the shielding covers need to be replaced, the shielding covers assembled through the screws are difficult to conveniently detach the shielding covers on the grinding machine. Therefore, a protection structure of a hand-held grinder is provided to solve the above-mentioned problems in the prior art.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

In order to solve the problems set forth in the background art, the present application provides a protection structure of a hand-held grinding machine.

The application provides a hand-held type polisher protective structure adopts following technical scheme:

the utility model provides a hand-held type polisher protective structure, includes the body, the emery wheel has been installed to the drive shaft of body, the dress is supporting for the position of drive shaft has been installed to the body side, the bottom side of dress supporting is equipped with the shielding cover, the lateral surface of dress supporting just is located the position of shielding cover and is equipped with the joint subassembly, just the cavity has been seted up for the position of joint subassembly to the inside of dress cover, the joint subassembly includes the fixture block of sliding connection in the cavity, just the movable rod has been installed to the side of fixture block, the movable rod slides and runs through the dress supporting and extend to the outside of dress supporting, the extension spring has been worn in the position that the movable rod middle part is located between fixture block and the cavity inside wall, the shielding cover is pegged graft in the bottom side of dress supporting through the cartridge, just the cartridge extends to in the cavity, extrusion contact between fixture block and the cartridge.

Through adopting above-mentioned technical scheme to when making the shielding cover on the polisher need carry out dust impurity clearance, the shielding cover on the polisher can be quick dismantlement down, also can accomplish quick installation and shelter from the cover moreover, the effectual efficiency that has improved the user and dismantled the shielding cover promptly.

Preferably, one end of the movable rod far away from the assembly set is fixedly connected with an arc-shaped pull plate, and the outer side surfaces of the arc-shaped pull plates are all subjected to rounding treatment.

By adopting the technical scheme, the action of pulling the movable rod by a user is convenient.

Preferably, the inner side wall at the bottom of the cavity is provided with a limiting groove, the bottom of the clamping block is provided with a limiting block, and the limiting block is slidably connected in the limiting groove.

Through adopting above-mentioned technical scheme, and then the fixture block can receive the restriction in limit groove, reduces the problem that the fixture block appears inclining.

Preferably, the shape of the clamping block is a right trapezoid, and a chute is formed in one side of the inserting block, opposite to the clamping block.

By adopting the technical scheme, the stability of the plug block is further improved.

Preferably, the outer side edge of the shielding cover is subjected to rounding treatment.

Through adopting above-mentioned technical scheme, can guarantee that the emery wheel is at the during operation, the impurity that produces can not splash on the user's body, and the lateral margin of shielding cover can not scratch the people.

In summary, the present application includes the following beneficial technical effects:

through pulling the movable rod on the assembly kit for the movable rod drives the fixture block and removes and separate with the inserted block, the last extension spring of movable rod also can shrink this moment, after fixture block and inserted block separate, push down the shielding cover, make the shielding cover take the inserted block out of the assembly kit, thereby accomplish the dismantlement work of shielding cover, when the installation shielding cover, can be through pulling the movable rod, make the movable rod drive the fixture block and remove in the cavity, then in inserting the shielding cover to the bottom side of assembly kit through the inserted block, when the inserted block is pegged graft in the cavity, loosen the movable rod again, the extension spring on the movable rod can stretch this moment, and promote the fixture block to remove and press the contact inserted block, through this structural design, thereby reached the shielding cover on the polisher that can be quick dismantlement, also can accomplish quick installation shielding cover, the effectual efficiency of having improved the user and having dismantled the shielding cover promptly.

Drawings

Fig. 1 is a schematic structural view of a protection structure of a hand-held grinder according to an embodiment of the present application;

FIG. 2 is an expanded schematic view of a hand-held grinder guard structure according to an embodiment of the present application;

FIG. 3 is a schematic view of the internal structure of the assembly kit according to the embodiment of the present application;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Reference numerals illustrate: 1. a body; 2. grinding wheel; 3. assembling a set; 4. a shielding cover; 5. a chamber; 6. a clamping block; 7. a movable rod; 8. a telescopic spring; 9. inserting blocks; 10. arc-shaped pull plates; 11. defining a slot; 12. defining a block; 13. and a chute.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

It is noted that the figures are schematic and not drawn to scale. Relative dimensions and proportions of parts of the figures have been shown exaggerated or reduced in size, for the sake of clarity and convenience in the drawings, and any dimensions are merely illustrative and not limiting. The same reference numerals are used for the same structures, elements, or accessories appearing in more than two figures to embody similar features.

The embodiment of the application discloses a hand-held type polisher protective structure. Referring to fig. 1-4, a protection structure of a hand-held grinding machine comprises a body 1, wherein the body 1 is a hand-held grinding machine, a grinding wheel 2 is installed on a driving shaft of the body 1, an assembly sleeve 3 is installed on the side surface of the body 1 relative to the position of the driving shaft, a shielding cover 4 is arranged on the side surface of the bottom of the assembly sleeve 3, a clamping assembly is arranged on the outer side surface of the assembly sleeve 3 and positioned at the position of the shielding cover 4, a cavity 5 is formed in the inner side of the assembly sleeve 3 relative to the clamping assembly, the clamping assembly comprises a clamping block 6 which is in sliding connection with the cavity 5, a movable rod 7 is installed on the side surface of the clamping block 6, the movable rod 7 penetrates through the assembly sleeve 3 in a sliding manner and extends to the outer side of the assembly sleeve 3, a telescopic spring 8 is penetrated at the position, positioned between the middle part of the movable rod 7 and the inner side wall of the cavity 5, the shielding cover 4 is inserted into the bottom side surface of the assembly sleeve 3 through a plug 9, the plug 9 extends into the cavity 5, the clamping block 6 is in extrusion contact with the plug 9, the height of the plug 9 is smaller than the distance from the assembly sleeve 3 to the grinding wheel 2, namely, the shielding cover 4 is not influenced by the grinding wheel 2 during insertion;

when the shielding cover 4 on the body 1 needs to be disassembled, a user can pull the movable rod 7 on the assembly kit 3, so that the movable rod 7 drives the clamping block 6 to move and separate from the inserting block 9, the telescopic spring 8 on the movable rod 7 also contracts at the moment, after the clamping block 6 is separated from the inserting block 9, the user pushes down the shielding cover 4, so that the shielding cover 4 brings the inserting block 9 out of the assembly kit 3, and the disassembly of the shielding cover 4 is completed, and then the user can clean dust and impurities in the shielding cover 4;

when the shielding cover 4 is installed, a user can drive the clamping block 6 to move in the cavity 5 by pulling the movable rod 7, then when the shielding cover 4 is inserted into the bottom side face of the assembly group 3 through the insertion block 9, the movable rod 7 is loosened again when the insertion block 9 is inserted into the cavity 5, and at the moment, the telescopic spring 8 on the movable rod 7 stretches to push the clamping block 6 to move and press the contact insertion block 9, so that the installation work of the shielding cover 4 is completed;

through this structural design to when making the shielding cover 4 on the polisher need carry out dust impurity clearance, the shielding cover 4 on the polisher can be quick dismantlement down, also can accomplish quick installation and shelter from cover 4 moreover, the effectual efficiency that has improved the user promptly dismantles shielding cover 4.

Referring to fig. 2 and 3, one end of the movable rod 7 far away from the assembly set 3 is fixedly connected with an arc-shaped pulling plate 10, and the outer side surfaces of the arc-shaped pulling plates 10 are all rounded, by arranging the arc-shaped pulling plates 10, when a user pulls the movable rod 7, the movable rod 7 can be driven to move by the arc-shaped pulling plates 10 through pulling the arc-shaped pulling plates 10, so that the effect of conveniently pulling the movable rod 7 by the user is achieved.

Referring to fig. 4, a limiting groove 11 is formed in the inner side wall at the bottom of the cavity 5, a limiting block 12 is mounted at the bottom of the clamping block 6, the limiting block 12 is slidably connected in the limiting groove 11, and by arranging the limiting groove 11, the limiting block 12 at the bottom of the clamping block 6 can move in the limiting groove 11 when the clamping block 6 moves, and then the clamping block 6 can be limited by the limiting groove 11, so that the problem of inclination of the clamping block 6 is reduced.

Referring to fig. 3 and 4, the shape of the clamping block 6 is a right trapezoid, and the chute 13 is formed in one side of the inserting block 9 opposite to the clamping block 6, when the clamping block 6 is in extrusion contact with the inserting block 9, one inclined surface of the clamping block 6 can be inserted into the chute 13, and then the clamping block 6 can form an inserting relation with the inserting block 9, namely, the stability of the inserting block 9 is further improved.

Referring to fig. 1 and 2, the outer side edge of the shielding cover 4 is rounded, so that the impurity generated during the working of the grinding wheel 2 can not splash on the body of a user, and the outer side edge of the shielding cover 4 can not scratch the user.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

The implementation principle of the hand-held grinding machine protection structure of the embodiment of the application is as follows: when the shielding cover 4 on the body 1 needs to be disassembled, a user can pull the movable rod 7 on the assembly kit 3, so that the movable rod 7 drives the clamping block 6 to move and separate from the inserting block 9, the telescopic spring 8 on the movable rod 7 also contracts at the moment, after the clamping block 6 is separated from the inserting block 9, the user pushes down the shielding cover 4 to enable the inserting block 9 to be taken out of the assembly kit 3, so that the disassembly work of the shielding cover 4 is completed, when the shielding cover 4 is installed, the user can pull the movable rod 7 to enable the movable rod 7 to drive the clamping block 6 to move in the cavity 5, then the movable rod 7 is plugged into the bottom side face of the assembly kit 3 through the inserting block 9, when the inserting block 9 is plugged into the cavity 5, the telescopic spring 8 on the movable rod 7 is loosened again, the clamping block 6 is stretched, and the clamping block 6 is pushed to move and the inserting block 9 is extruded to be contacted with the inserting block 9, and the installation work of the shielding cover 4 is completed;

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a hand-held type polisher protective structure, includes body (1), emery wheel (2) have been installed to the drive shaft of body (1), body (1) side is installed for the position of drive shaft and is installed assembly dish (3), the bottom side of assembly dish (3) is equipped with and shelters from cover (4), the lateral surface of assembly dish (3) just is located the position of sheltering from cover (4) and is equipped with joint subassembly, just cavity (5) have been seted up for joint subassembly's position in the inside of assembly dish (3), its characterized in that: clamping assembly includes fixture block (6) of sliding connection in cavity (5), just movable rod (7) have been installed to the side of fixture block (6), movable rod (7) slip runs through the outside of dress group (3) and extends to assembly sleeve (3), telescopic spring (8) have been worn to the position that movable rod (7) middle part is located between fixture block (6) and cavity (5) inside wall, shelter from cover (4) and peg graft in the bottom side of assembly sleeve (3) through inserted block (9), just inserted block (9) extend to in cavity (5), extrusion contact between fixture block (6) and inserted block (9).

2. The hand-held grinder guard structure according to claim 1, wherein: one end of the movable rod (7) far away from the assembly group (3) is fixedly connected with an arc-shaped pull plate (10), and the outer side surfaces of the arc-shaped pull plates (10) are rounded.

3. The hand-held grinder guard structure according to claim 1, wherein: the limiting groove (11) is formed in the inner side wall of the bottom of the cavity (5), the limiting block (12) is arranged at the bottom of the clamping block (6), and the limiting block (12) is slidably connected in the limiting groove (11).

4. A hand held grinder guard according to claim 3, wherein: the clamping block (6) is in a right-angle trapezoid shape, and a chute (13) is formed in one side of the inserting block (9) opposite to the clamping block (6).

5. The hand-held grinder guard structure according to claim 1, wherein: the outer side edge of the shielding cover (4) is subjected to rounding treatment.