CN209936604U

CN209936604U - Small-size portable hardware corner grinding device

Info

Publication number: CN209936604U
Application number: CN201920400923.4U
Authority: CN
Inventors: 郎松平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-14
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a small-size portable hardware corner grinding device, including device shell, shift knob, reset spring and drive main part and the piece of polishing, the lid is installed to the upper end of device shell, and is provided with the activity on the last lid and extends the piece, the centre of going up the lid is provided with fixing bolt, and fixing bolt runs through the lid and is connected with the drive main part, the upside of activity protection casing is fixed with swing joint section of thick bamboo, and swing joint section of thick bamboo's upper end is connected in the device shell, swing joint section of thick bamboo and device shell's junction is provided with spacing draw-in groove and spacing fixture block, and the edge in swing joint section of thick bamboo upper end is fixed to spacing fixture block. This small-size portable hardware corner grinding device overall dimension is less, makes things convenient for carrying of device to use, and the normal polishing work of device can not influenced to the activity protection casing when to polishing piece protection, has both improved the work safety of device, has improved the use value of device again.

Description

Small-size portable hardware corner grinding device

Technical Field

The utility model relates to a grinding device technical field specifically is a small-size portable hardware corner grinding device.

Background

Sanding, which is one of the surface modification techniques, generally refers to a process of changing the physical properties of the material surface by friction with the aid of a rough object, mainly for the purpose of obtaining a specific surface roughness. At present, because most of grinding devices are large in size, efficient grinding work can not be carried out on the corners of the hardware easily, certain danger also exists in the use of some grinding devices, the use performance is not high, so that a small-size portable hardware corner grinding device is provided, and the problem of providing in the scheme is convenient to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size portable hardware corner grinding device to solve the present that the above-mentioned background art provided and have some grinding device can't easily carry out efficient work of polishing to the corner of hardware, some grinding device's use also has certain danger moreover, the not high problem of performance yet.

In order to achieve the above object, the utility model provides a following technical scheme: a small-sized portable hardware corner polishing device comprises a device shell, a switch button, a reset spring, a driving main body and a polishing piece, wherein the switch button is installed on the outer side of the device shell, a handle is fixed on the outer side of the device shell, an upper cover body is installed at the upper end of the device shell, a movable extending block is arranged on the upper cover body, a movable protective cover is arranged on the lower side of the device shell, a fixing bolt is arranged in the middle of the upper cover body and penetrates through the upper cover body to be connected with the driving main body, the driving main body is fixed on the inner side of the device shell, a movable connecting cylinder is fixed on the upper side of the movable protective cover, the upper end of the movable connecting cylinder is connected into the device shell, a limiting clamping groove and a limiting clamping block are arranged at the joint of the movable connecting cylinder and the limiting clamping block is, the upside of swing joint section of thick bamboo is connected with the connection briquetting, and the upside of connecting the briquetting is connected with the drive main part through reset spring, the piece of polishing is installed through the transmission shaft to the downside of drive main part.

Preferably, the switch button is electrically connected with the driving body on the inner side of the device shell, 2 handles are symmetrically arranged on the outer side of the device shell, and the handles and the device shell are of an integrated structure.

Preferably, the outer diameter of the upper cover body is equal to the outer diameter of the device shell, and the upper cover body is detachably connected with the driving main body through a fixing bolt.

Preferably, the movable extension block is symmetrically provided with four on the upper cover body, the movable extension block is of a sliding structure on the upper cover body, and the movable extension block is flush with the lower side surface of the upper cover body.

Preferably, the connecting pressing block is annular, and the connecting pressing block forms an up-and-down moving structure between the device shell and the driving main body through a return spring.

Preferably, be the block between the upper end of swing joint section of thick bamboo and the device shell and be connected, and be integrated structure between swing joint section of thick bamboo and activity protection casing and the spacing fixture block.

Compared with the prior art, the beneficial effects of the utility model are that: the small portable hardware corner polishing device is characterized in that a corner polishing device is arranged on the small portable hardware;

(1) the handle is arranged on the polishing device, and the whole size of the polishing device is small, so that the polishing device is convenient to carry and use, and the use efficiency of the polishing device is improved;

(2) the upper cover body which can be disassembled and assembled is arranged on the device, so that the maintenance work in the shell of the device is convenient, the safe and long working process of the device is ensured, and the movable extension block which can be unfolded is also arranged on the upper cover body, so that the device can be placed on the platform in an inverted manner, meanwhile, the movable extension block is unfolded to increase the supporting area of the upper cover body on the device, the stability of the inverted placement state of the device is ensured, and the diversity of the use mode of the device is also increased;

(3) still be provided with movable protection casing on the device, and the activity protection casing can be through the activity connecting cylinder activity from top to bottom, and then when protecting the polishing piece, can not influence the normal work of polishing of device, has both improved the work safety of device, has improved the use value of device again.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic top view of the cross-sectional structure of the device housing of the present invention;

fig. 5 is a schematic view of the connection structure of the upper cover body and the movable extension block of the present invention.

In the figure: 1. a device housing; 2. a switch button; 3. a handle; 4. an upper cover body; 5. a movable extension block; 6. a movable protective cover; 7. fixing the bolt; 8. a limiting clamping groove; 9. a return spring; 10. connecting the pressing blocks; 11. a drive body; 12. a movable connecting cylinder; 13. grinding the sheets; 14. a drive shaft; 15. and a limiting clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a small portable hardware corner polishing device comprises a device shell 1, a switch button 2, a handle 3, an upper cover body 4, a movable extension block 5, a movable protective cover 6, a fixing bolt 7, a limit clamping groove 8, a reset spring 9, a connecting pressing block 10, a driving main body 11, a movable connecting cylinder 12, a polishing sheet 13, a transmission shaft 14 and a limit clamping block 15, wherein the switch button 2 is installed on the outer side of the device shell 1, the handle 3 is fixed on the outer side of the device shell 1, the upper cover body 4 is installed at the upper end of the device shell 1, the movable extension block 5 is arranged on the upper cover body 4, the movable protective cover 6 is arranged on the lower side of the device shell 1, the fixing bolt 7 is arranged in the middle of the upper cover body 4, the fixing bolt 7 penetrates through the upper cover body 4 to be connected with the driving main body 11, the driving main body 11 is fixed on the inner side of the, and the upper end of an active connecting cylinder 12 is connected in the device shell 1, the joint of the active connecting cylinder 12 and the device shell 1 is provided with a limit clamping groove 8 and a limit clamping block 15, the limit clamping block 15 is fixed at the edge of the upper end of the active connecting cylinder 12, the upper side of the active connecting cylinder 12 is connected with a connecting pressing block 10, the upper side of the connecting pressing block 10 is connected with a driving main body 11 through a return spring 9, and a polishing disc 13 is installed on the lower side of the driving main body 11 through a transmission shaft 14.

Be electric connection between shift knob 2 and the inboard drive main part 11 of device shell 1, and the outside symmetry of device shell 1 sets up 2 handles 3 to be the integral structure between handle 3 and the device shell 1, can normal controlling means's operating condition, also make things convenient for operation control device to work, improved the high efficiency that the device used.

The outer diameter of the upper cover body 4 is equal to the outer diameter of the device shell 1, the upper cover body 4 is detachably connected with the driving main body 11 through the fixing bolt 7, the normal use state of the upper cover body 4 can be guaranteed, and the device can be maintained conveniently.

The movable extension block 5 is symmetrically arranged four on the upper cover body 4, the movable extension block 5 is of a sliding structure on the upper cover body 4, and the movable extension block 5 is flush with the lower side surface of the upper cover body 4, so that the supporting area of the upper cover body 4 can be increased, and the stability of the placement state of the device can be ensured.

The connecting pressing block 10 is annular, and the connecting pressing block 10 forms an up-and-down moving structure between the device shell 1 and the driving main body 11 through the return spring 9, so that the stable working effect of the return spring 9 on the device shell 1 can be ensured.

The upper end of the movable connecting cylinder 12 is connected with the device shell 1 in a clamping mode, and the movable connecting cylinder 12, the movable protective cover 6 and the limiting clamping block 15 are of an integrated structure, so that the stability of the connection state of the movable connecting cylinder 12 and the device shell 1 can be guaranteed, and the adverse effect of the movable protective cover 6 on the polishing disc 13 is effectively avoided.

The working principle is as follows: when the small portable hardware corner polishing device is used, firstly, the whole volume of the polishing device is small, and only one polishing piece 13 is arranged on the driving main body 11, so that the polishing device is very convenient to carry and use, before the polishing device is used, the whole condition of the device needs to be checked firstly, the normal work can be determined, the driving main body 11 only provides driving work for the polishing piece 13, and the conventional small motor can meet the requirements of the device at present, so that the driving main body 11 is not described in detail;

when the device starts to work, the driving main body 11 is started through the switch button 2, the driving main body 11 enables the polishing sheet 13 to rotate through the transmission shaft 14, polishing work can be conducted, then the handle 3 is held by hands, the whole device can be conveniently controlled to move, and further the polishing work on the corner of a hardware piece can be conveniently completed by the operation device, when the device is in contact with the hardware piece, the movable protective cover 6 is firstly in contact with the hardware piece and continues to press down the device, the movable protective cover 6 can push the movable connecting cylinder 12 to move into the device shell 1 under the action of pressure, the reset spring 9 in the device shell 1 can be pushed by the movable connecting cylinder 12 to contract, so that the movable protective cover 6 can freely move up and down, and finally the polishing sheet 13 can be in contact with the corner of the hardware piece, and therefore the polishing work is completed;

in order to prevent the movable protective cover 6 from influencing the grinding work, the movable protective cover 6 can be manually pushed upwards in advance, then the movable protective cover 6 is twisted, in the process, the limiting clamping block 15 on the outer side of the movable connecting cylinder 12 firstly rises in the limiting clamping groove 8 on the inner side of the device shell 1, then the limiting clamping block is horizontally twisted and clamped to the upper side of the limiting clamping groove 8, the movable connecting cylinder 12 can be clamped, the state of the movable protective cover 6 is further fixed, and the grinding sheet 13 can be directly used for grinding work;

the device can be placed on a platform upside down, hardware is held to be in contact with the polishing sheet 13, so that polishing work is completed, in the process, the movable extension block 5 needs to be pulled out of the upper cover body 4, four support legs are formed on the outer side of the upper cover body 4, the supporting area of the upper cover body 4 can be increased, and therefore the stable polishing state of the whole device can be guaranteed, the whole device works, and the content which is not described in detail in the specification, such as the switch button 2, the reset spring 9 and the driving main body 11, belongs to the prior art which is well known by a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a small-size portable hardware corner grinding device, includes device shell (1), shift knob (2), reset spring (9) and drive main part (11) and piece (13) of polishing, its characterized in that: the device is characterized in that a switch button (2) is installed on the outer side of the device shell (1), a handle (3) is fixed on the outer side of the device shell (1), an upper cover body (4) is installed at the upper end of the device shell (1), a movable extending block (5) is arranged on the upper cover body (4), a movable protective cover (6) is arranged on the lower side of the device shell (1), a fixing bolt (7) is arranged in the middle of the upper cover body (4), the fixing bolt (7) penetrates through the upper cover body (4) to be connected with a driving main body (11), the driving main body (11) is fixed on the inner side of the device shell (1), a movable connecting cylinder (12) is fixed on the upper side of the movable protective cover (6), the upper end of the movable connecting cylinder (12) is connected into the device shell (1), a limiting clamping groove (8) and a limiting clamping block (15) are arranged at the joint of the movable connecting cylinder, and the edge of spacing fixture block (15) in swing joint section of thick bamboo (12) upper end is fixed, the upside of swing joint section of thick bamboo (12) is connected with connection briquetting (10), and the upside of connecting briquetting (10) is connected with drive main part (11) through reset spring (9), the downside of drive main part (11) is passed through transmission shaft (14) and is installed polishing piece (13).

2. A small-size portable hardware corner grinding device of claim 1, characterized in that: the switch button (2) is electrically connected with the driving main body (11) on the inner side of the device shell (1), 2 handles (3) are symmetrically arranged on the outer side of the device shell (1), and the handles (3) and the device shell (1) are of an integrated structure.

3. A small-size portable hardware corner grinding device of claim 1, characterized in that: the outer diameter of the upper cover body (4) is equal to that of the device shell (1), and the upper cover body (4) is detachably connected with the driving main body (11) through a fixing bolt (7).

4. A small-size portable hardware corner grinding device of claim 1, characterized in that: the movable extension blocks (5) are symmetrically arranged on the upper cover body (4) in the center, the movable extension blocks (5) are of a sliding structure on the upper cover body (4), and the movable extension blocks (5) are flush with the lower side face of the upper cover body (4).

5. A small-size portable hardware corner grinding device of claim 1, characterized in that: the connecting pressing block (10) is annular in shape, and the connecting pressing block (10) forms an up-and-down moving structure between the device shell (1) and the driving main body (11) through the return spring (9).

6. A small-size portable hardware corner grinding device of claim 1, characterized in that: the upper end of the movable connecting cylinder (12) is connected with the device shell (1) in a clamping manner, and the movable connecting cylinder (12) is integrated with the movable protective cover (6) and the limiting clamping block (15).