CN215359243U

CN215359243U - Handheld cutting machine

Info

Publication number: CN215359243U
Application number: CN202121786964.5U
Authority: CN
Inventors: 孙剑峰; 丁永干; 丁莲
Original assignee: Ningbo Ngp Industry Co ltd
Current assignee: Ningbo Ngp Industry Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-31
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a handheld cutting machine relates to electric cutting tool's field, and it includes the organism, it is connected with the cutting piece by motor drive to rotate on the organism, fixedly connected with is partly wrapped in the guard shield of cutting piece on the organism, fixedly connected with dust-proof fill on the guard shield, the downside of guard shield is located to dustproof fill. Improved the cutting machine and produced the raise dust easily at the during operation, caused the problem of harm on the health to the user, this application has the dust that makes after the cutting machine cutting is difficult for flying upward to the user on one's body, has improved the effect of the security of cutting machine.

Description

Handheld cutting machine

Technical Field

The application relates to the field of electric cutting tools, in particular to a handheld cutting machine.

Background

The electric hand-held cutting machine is suitable for building decoration, stone processing, cutting and grooving of silicate-containing non-metallic brittle materials such as terrazzo, marble, granite, glass, cement boards and the like. It has the advantages of high cutting efficiency, good processing quality, simple and convenient use and low labor intensity.

In view of the above-mentioned related art, the inventor believes that the cutting machine is prone to generate dust during operation, causing health hazards to users, and has room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the cutting machine and produce the raise dust easily at the during operation, cause the problem of harm in the health to the user, this application provides a handheld cutting machine.

The application provides a handheld cutting machine adopts following technical scheme:

the utility model provides a handheld cutting machine, includes the organism, it is connected with the cutting piece by motor drive to rotate on the organism, fixedly connected with is partly wrapped in the guard shield of cutting piece on the organism, fixedly connected with dustproof fill on the guard shield, dustproof the downside of locating the guard shield of fighting.

Through adopting above-mentioned technical scheme, through setting up the dustproof fill for dust direct striking after the cutting machine cutting is fought on dustproof fill and is collected in the dustproof fill and be difficult for flying upward to the user along with the rotation of cutting piece on one's body, has improved the security of cutting machine.

Optionally, dustproof fill is including connecing dirt portion and play dirt portion, connect one side an organic whole that dirt portion is close to the guard shield to be equipped with the connecting block, the inside wall laminating of connecting block and guard shield and through bolt fixed connection on the guard shield, play dirt portion is cylindric setting and fixed connection in the one side that connects dirt portion, the one end that goes out dirt portion communicates with each other with the inside that connects dirt portion, the other end that goes out dirt portion is to run through the setting and is connected with external dust catcher.

Through adopting above-mentioned technical scheme, through setting up out dirt portion, the convenience is handled sweeps and dust in fighting dustproof for the user is difficult for frequently empting because of dustproof in fighting dust and sweeps overfill, has improved the convenience of dustproof fighting.

Optionally, the lateral wall of the connecting block is provided with a positioning groove, the positioning groove penetrates through the outer circumferential lateral wall of the connecting block, one side of the protective cover close to the connecting block is inserted into the positioning groove and abuts against the bottom of the positioning groove.

Through adopting above-mentioned technical scheme, the setting of constant head tank for only need during the installation of dustproof fill with the guard shield butt in the tank bottom of constant head tank can, fix a position more accurately during the bolt fastening, improved the installation effectiveness of dustproof fill.

Optionally, a through hole is formed in the connecting block, the through hole penetrates through one side, close to the cutting blade, of the connecting block, and the dust collecting portion is communicated with the protective cover through the through hole.

By adopting the technical scheme, the through holes are arranged, on one hand, the cutting pieces are avoided, and the connecting blocks are placed to interfere with the cutting pieces; on the other hand for the inside intercommunication of guard shield and dust collecting part, thereby make dust and sweeps that exist in the guard shield also can discharge through the play dirt portion that dust collecting part connects, improved the practicality of dust hopper.

Optionally, a lightening groove is formed on the side wall of the through hole.

Through adopting above-mentioned technical scheme, alleviate the setting in groove, reduced the quality that dust hopper under the condition that does not influence joint strength to make the installation dust hopper after the user need additionally exert the power less, improved dust hopper's portability.

Optionally, be equipped with the spray assembly that sprays the dust of the inside of guard shield, the inside wall of through-hole and dust collecting part on the organism, spray assembly includes water pipe and play flood peak, go out flood peak fixed connection on the guard shield and communicate with each other inside the guard shield, go out overhead fixedly connected with inlet tube, the water pipe is worn to locate on the organism, an pot head of water pipe is located on the inlet tube.

Through adopting above-mentioned technical scheme, the setting of spray assembly for be attached to on dust and the sweeps and have the water droplet, increased the quality of dust and sweeps, make dust be difficult for flying upward to the air and endanger user's health, improved the security of cutting machine.

Optionally, the spray assembly still includes water valve and water valve mount pad, fixedly connected with grips the handle on the organism, water valve mount pad fixed connection grips the handle, water valve fixed connection is on the water valve mount pad, the one end fixedly connected with water pipe adapter of water valve, the water pipe is kept away from the pot head of inlet tube and is located on the water pipe adapter, the water valve is kept away from the one end of water pipe adapter and is connected with external water supply installation.

Through adopting above-mentioned technical scheme, through setting up the water valve to business turn over water in to the water pipe and control, can directly can make the water pipe in not logical water through closing the water valve when not using, make the water resource obtain reasonable use, practiced thrift the water resource.

Optionally, the inlet tube is kept away from the first joint ring of fixedly connected with on the outer circumferential side wall of water outlet head, first joint ring butt is on the inside wall of water pipe, the water pipe adapter is kept away from the outer circumferential side wall of water valve on the fixedly connected with second joint ring.

Through adopting above-mentioned technical scheme, when the water pipe cover was located on first joint ring and the second joint ring for the water pipe cover takes place elasticity inflation and presss from both sides tightly in first joint ring and second joint ring when locating on inlet tube and the water pipe adapter, has improved the connection stability between water pipe and inlet tube, water pipe and the water pipe adapter.

Optionally, one side of the first clamping ring, which is far away from the water outlet head, is provided with a first guide surface, and one side of the second clamping ring, which is far away from the water valve, is provided with a second guide surface.

Through adopting above-mentioned technical scheme, the setting of first spigot surface and second spigot surface, the slope direction of leading water pipe along first spigot surface and second spigot surface and the inflation is opened, has improved the efficiency that the water pipe box was located on first joint ring and the second joint ring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the dust hopper, dust cut by the cutting machine is not easy to fly to a user, so that the safety of the cutting machine is improved;

2. the spraying assembly is arranged, so that dust is not easy to fly to the air to harm the health of a user, and the safety of the cutting machine is improved.

Drawings

Fig. 1 is a schematic structural view of a handheld cutter in an embodiment of the present application.

Fig. 2 is a schematic structural view of a shield and a dust hopper in an embodiment of the present application.

Fig. 3 is an exploded view of the shield and the dust hopper in the embodiment of the present application.

Fig. 4 is an exploded view of the spray assembly and shield in an embodiment of the present application.

Description of reference numerals: 1. a body; 11. cutting the slices; 12. a shield; 13. a grip; 2. a dust hopper; 21. a dust collecting part; 22. a dust outlet part; 23. connecting blocks; 231. a through hole; 232. a relief groove; 233. positioning a groove; 3. a spray assembly; 31. a water outlet head; 311. a water inlet pipe; 312. a first snap ring; 3121. a first guide surface; 32. a water pipe; 33. a water valve mounting seat; 34. a water valve; 341. a water pipe adapter; 342. a second snap ring; 3421. a second guide surface.

Detailed Description

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

The embodiment of the application discloses handheld cutting machine. Referring to fig. 1, the hand-held cutting machine includes a machine body 1, a dust hopper 2, and a spray assembly 3.

The machine body 1 is rotatably connected with a cutting blade 11, and the cutting blade is driven by a motor to cut an object. The machine body 1 is fixedly connected with a protective cover 12, and the protective cover 12 is half-wrapped on the cutting blade 11 to prevent the scraps cut by the cutting blade 11 from being raised. The dust hopper 2 is mounted on the lower side of the hood 12 to receive the dust on the hood 12. The spraying assembly 3 is arranged on the machine body 1, and the spraying assembly 3 is communicated with the inside of the protective cover 12 so as to spray dust inside the protective cover 12 and in the dustproof hopper 2.

Referring to fig. 2 and 3, the installation structure of the dust hopper 2 is as follows: the dust hopper 2 includes a dust receiving portion 21 and a dust discharging portion 22. Dust collecting portion 21 is close to integrative connecting block 23 that has of one side of guard 12, and connecting block 23 passes through bolt fixed connection on guard 12, and the lateral wall of connecting block 23 and the inside wall laminating of guard 12 for dust is difficult for passing through between dust collecting portion 21 and guard 12.

Referring to fig. 1 and 3, the connecting block 23 is provided with a through hole 231, the through hole 231 penetrates through one side of the connecting block 23 close to the cutting blade 11, on one hand, the through hole 231 avoids the cutting blade 11, on the other hand, the inside of the shield 12 is communicated with the dust collecting part 21 through the through hole 231, so that dust and scraps in the shield 12 can enter the dust collecting part 21 to be collected. The circumferential side wall of the through hole 231 is provided with a lightening groove 232 to lighten the weight of the dust hopper 2. Be equipped with constant head tank 233 on the outer peripheral lateral wall of connecting block 23, constant head tank 233 runs through the outer peripheral lateral wall of connecting block 23 and the lateral wall that is close to guard shield 12, and guard shield 12 is close to the lateral wall of dust hopper 2 and inserts in constant head tank 233 and butt in the tank bottom of constant head tank 233 for the hole that supplies the bolt to wear to establish on the guard shield 12 and the hole that supplies the bolt to wear to establish on the connecting block 23 align.

Referring to fig. 3, the dust outlet 22 is fixedly connected to the dust collecting part 21, the dust outlet 22 is disposed in a cylindrical shape, one end of the dust outlet 22 is communicated with the inside of the dust collecting part 21, and the other end of the dust outlet 22 is disposed in a penetrating manner to communicate with an external dust collector to treat dust collected in the dust collecting part 21.

Referring to fig. 1 and 4, the installation structure of the shower assembly 3 is as follows: the spray assembly 3 includes a water outlet head 31, a water pipe 32, a water valve mounting seat 33 and a water valve 34. The water outlet head 31 is fixedly connected to the protective cover 12 through a bolt, the water outlet head 31 is positioned on one side of the protective cover 12 far away from the dust hopper 2, the water inlet pipe 311 is fixedly connected to the water outlet head 31, and the water inlet pipe 311, the water outlet head 31 and the protective cover 12 are communicated with each other so that water flow guided by the water inlet pipe 311 flows into the protective cover 12 through the water outlet head 31 to spray dust inside. The water pipe 32 is inserted into the machine body 1, and one end of the water pipe 32 is sleeved on the water inlet pipe 311, so that the water pipe 32 is connected with the water outlet head 31. The outer circumferential side wall of the water inlet pipe 311 far away from the water outlet head 31 is fixedly connected with a first clamping ring 312, the first clamping ring 312 and the water inlet pipe 311 are coaxially arranged, the first clamping ring 312 abuts against the inner side wall of the water pipe 32, so that the first clamping ring 312 is clamped after the water pipe 32 is expanded and is not easy to separate from the water inlet pipe 311. The side of the first snap ring 312 away from the water outlet head 31 has a first guide surface 3121, so that the outer diameter of the first snap ring 312 gradually decreases from the side close to the water outlet head 31 to the side away from the water outlet head 31, and the water tube 32 is guided to expand in the direction of inclination of the first guide surface 3121.

Referring to fig. 1 and 4, a grip 13 is fixedly coupled to a side of the body 1 remote from the cutting blade 11, and a water valve mounting seat 33 is fixedly coupled to the grip 13 to mount a water valve 34. The water valve 34 is inserted into and fixedly connected to the water valve mounting seat 33, one end of the water valve 34 is connected to an external water supply device, the other end of the water valve 34 is fixedly connected to the water pipe adapter 341, and one end of the water pipe 32, which is far away from the water inlet pipe 311, is sleeved on the water pipe adapter 341, so that the water valve 34 and the water pipe 32 are mutually communicated to control the opening and closing of water flow in the water pipe 32. The water pipe adapter 341 is far away from the outer circumferential side wall of the water valve 34 and is fixedly connected with a second clamping ring 342, the second clamping ring 342 and the water pipe adapter 341 are coaxially arranged, and the second clamping ring 342 abuts against the inner side wall of the water pipe 32 so as to drive the water pipe 32 to expand and then clamp the second clamping ring 342 and prevent the water pipe adapter 341 from being separated easily. The side of the second snap ring 342 away from the water valve 34 has a second guide surface 3421, so that the outer diameter of the second snap ring 342 decreases from the side close to the water adapter 341 to the side away from the water adapter 341, and the water pipe 32 is guided to expand along the inclination direction of the second guide surface 3421.

The implementation principle of this application embodiment handheld cutting machine does: the water valve 34 is connected with an external water supply device, the dust outlet part 22 is connected with an external dust collector, during cutting, the water valve 34 is opened, water flows into the protective cover 12 after sequentially passing through the water valve 34, the water pipe adapter 341, the water pipe 32, the water inlet pipe 311 and the water outlet head 31, dust and waste chips in the protective cover 12 and the dust outlet part 21 are sprayed, and the dust and the waste chips are collected in the dust outlet part 21, are absorbed by the dust collector and enter the dust collector after passing through the dust outlet part 22 for treatment.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A hand-held cutting machine characterized in that: including organism (1), it is connected with cutting piece (11) by motor drive to rotate on organism (1), organism (1) is gone up half a packet of guard shield (12) in cutting piece (11) of fixedly connected with, fixedly connected with dust hopper (2) is gone up in guard shield (12), the downside of guard shield (12) is located in dust hopper (2).

2. A hand-held cutting machine according to claim 1, wherein: dust hopper (2) are including connecing dirt portion (21) and play dirt portion (22), connect one side an organic whole that dirt portion (21) is close to guard shield (12) to be equipped with connecting block (23), connecting block (23) and the inside wall laminating of guard shield (12) and through bolt fixed connection on guard shield (12), it is the cylindric setting and fixed connection in the one side that connects dirt portion (21) to go out dirt portion (22), the one end that goes out dirt portion (22) and the inside intercommunication each other that connects dirt portion (21), the other end that goes out dirt portion (22) is to run through the setting and is connected with external dust catcher.

3. A hand held cutting machine as claimed in claim 2 wherein: be equipped with constant head tank (233) on the lateral wall of connecting block (23), constant head tank (233) run through the outer peripheral lateral wall of connecting block (23), one side that guard shield (12) is close to connecting block (23) inserts in constant head tank (233) and the butt in the tank bottom of constant head tank (233).

4. A hand held cutting machine as claimed in claim 2 wherein: be equipped with through-hole (231) on connecting block (23), through-hole (231) run through connecting block (23) are close to one side of cutting piece (11), dust collecting part (21) and guard shield (12) communicate each other through-hole (231).

5. A hand-held cutting machine according to claim 4, wherein: and lightening grooves (232) are formed in the side walls of the through holes (231).

6. A hand-held cutting machine according to claim 4, wherein: be equipped with on organism (1) and carry out spray set (3) that spray to the inside wall of guard shield (12) inside, through-hole (231) and the dust that connects the inside of dirt portion (21), spray set (3) are including water pipe (32) and outlet head (31), outlet head (31) fixed connection on guard shield (12) and communicate with each other with guard shield (12) inside, fixedly connected with inlet tube (311) on outlet head (31), water pipe (32) are worn to locate on organism (1), the pot head of water pipe (32) is located on inlet tube (311).

7. A hand-held cutting machine according to claim 6, wherein: spray assembly (3) still include water valve (34) and water valve mount pad (33), fixedly connected with grips handle (13) on organism (1), water valve mount pad (33) fixed connection grips handle (13), water valve (34) fixed connection is on water valve mount pad (33), the one end fixedly connected with water pipe adapter (341) of water valve (34), the water pipe (32) are kept away from the pot head of inlet tube (311) and are located on water pipe adapter (341), the one end that water pipe adapter (341) was kept away from in water valve (34) is connected with external water supply installation.

8. A hand-held cutting machine according to claim 7, wherein: the outer periphery that goes away from outlet head (31) inlet tube (311) goes up first joint ring of fixedly connected with (312), first joint ring (312) butt is on the inside wall of water pipe (32), water pipe adapter (341) keep away from on the outer periphery lateral wall of water valve (34) fixedly connected with second joint ring (342).

9. A hand-held cutting machine according to claim 8, wherein: one side of the first clamping ring (312) far away from the water outlet head (31) is provided with a first guide surface (3121), and one side of the second clamping ring (342) far away from the water valve (34) is provided with a second guide surface (3421).