CN214484705U

CN214484705U - Pneumatic sand blasting machine

Info

Publication number: CN214484705U
Application number: CN202120102761.3U
Authority: CN
Inventors: 王蕴华; 邝树标; 徐文辉
Original assignee: Guangzhou Conghua Shenghua Industrial Co ltd
Current assignee: Guangzhou Conghua Shenghua Industrial Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-10-26
Anticipated expiration: 2031-01-14

Abstract

The application relates to a pneumatic sand blasting machine, which comprises an M4 joint, a powder box, a handle and a nozzle which are sequentially spliced, wherein a water inlet pipe and an air inlet pipe are communicated between the M4 joint and the handle, the water inlet pipe penetrates through the M4 joint, a water outlet channel is formed in the handle, a water spraying pipe and a powder spraying pipe are inserted in the nozzle, and the water spraying pipe is communicated with the water outlet channel; the air inlet pipe extends into the powder box, a powder outlet pipe is inserted into the powder box, and the powder outlet pipe penetrates through the handle and is communicated with the powder spraying pipe; the powder box opening is equipped with the lid, and lid diapire covers has solid fixed ring, and solid fixed ring's diapire area is greater than the area of lid diapire, still is equipped with the retaining member between lid and the powder box, and when the lid closed the powder box opening, solid fixed ring supported the roof of tight powder box. This application has the effect that reduces the circumstances that the powder box is difficult to seal.

Description

Pneumatic sand blasting machine

Technical Field

The application relates to the field of sand blasting and tooth cleaning, in particular to a pneumatic sand blasting machine.

Background

The sand blasting tooth cleaning is a technology for cleaning teeth by matching pearl salt with high-pressure water, tea dirt, smoke dirt and other tooth dirt which are difficult to remove on the teeth can be removed by the sand blasting tooth cleaning, and a pneumatic sand blasting machine is generally used for sand blasting tooth cleaning.

The pneumatic sand blasting machine comprises an M4 joint, a powder box, a handle and a nozzle which are sequentially spliced, wherein the M4 joint comprises a water-gas separating part, a gas inlet pipe and a water inlet pipe, water and high-pressure gas are respectively sent into the water inlet pipe and the gas inlet pipe through the water-gas separating part, the water inlet pipe and the gas inlet pipe both extend into the powder box, and the water inlet pipe penetrates through the powder box, is communicated with the handle and a water outlet channel in the nozzle and is finally sprayed out of the nozzle; the intake pipe stretches into to the powder box in, the powder box include the box body and with box body threaded connection's lid, the handle intercommunication has a powder pipe, goes out the powder pipe and stretches into in the box body and relative with the intake pipe, and it is intraductal that gaseous pearl salt in with the powder box pushes away to go out the powder after spouting from the intake pipe to finally follow the blowout of the play powder passageway of handle and shower nozzle.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the screw thread between box body and the lid was flowed to partial liquid after pearl salt powder and water mixed, pearl salt made box body and lid be difficult for connecting and the condition of lid slope appears easily after condensing between the screw gap, and then leaded to the lid to be difficult to the tight box body of lid.

SUMMERY OF THE UTILITY MODEL

In order to reduce the difficult sealed condition of powder box, this application provides a pneumatic sand blasting machine.

The application provides a pneumatic sand blasting machine adopts following technical scheme:

a pneumatic sand blasting machine comprises an M4 joint, a powder box, a handle and a nozzle which are sequentially spliced, wherein a water inlet pipe and an air inlet pipe are communicated between the M4 joint and the handle, the water inlet pipe penetrates through the M4 joint, a water outlet channel is formed in the handle, a water spraying pipe and a powder spraying pipe are inserted in the nozzle, and the water spraying pipe is communicated with the water outlet channel; the powder box is characterized in that the air inlet pipe extends into the powder box, a powder outlet pipe is inserted into the powder box, and the powder outlet pipe penetrates through the handle and is communicated with the powder spraying pipe; the powder box opening is equipped with the lid, lid diapire covers has solid fixed ring, gu fixed ring's diapire area is greater than the area of lid diapire, still be equipped with the retaining member between lid and the powder box, work as when the lid seals the powder box opening, gu fixed ring supports the roof of tight powder box.

Through adopting above-mentioned technical scheme, aim at the powder box opening with the lid, make solid fixed ring's diapire aim at powder box open-ended edge, cover the lid on the powder box opening, then through the fixed lid of retaining member, when being favorable to reducing lid and the direct threaded connection of powder box, the easy gap from between lid and the powder box of pearl salt removes the condition in the screw thread, the screw thread that is favorable to reducing pearl salt jam lid or powder box leads to powder box and the difficult sealed condition of lid, be favorable to reducing the condition of lid and the mutual wearing and tearing of powder box relatively fixed's in-process.

Preferably, the retaining member includes the go-between with box body threaded connection and supports tight clamping ring with the lateral wall of lid, go-between and clamping ring body coupling.

Through adopting above-mentioned technical scheme, aim at the powder box opening back with the lid, overlap the go-between outside the lid, rotate the go-between and make the go-between and the periphery wall threaded connection of box body, and make the internal perisporium cover of clamping ring support tightly on the lid and with the lateral wall of lid for lid and box body are difficult for separating, and make the lid fix on the box body more easily.

Preferably, the box cover is provided with a ring placing groove for placing the pressure ring.

Through adopting above-mentioned technical scheme, be favorable to increasing the area of contact between clamping ring and the lid, reduce pneumatic sand blasting machine and shake in the course of the work, lead to between clamping ring and the lid because area of contact is little and the easy circumstances of lid of damaging, simultaneously, be favorable to improving the stability that the lid was pushed down to the clamping ring.

Preferably, a sealing gasket is fixedly connected to the lower surface of the fixing ring.

Through adopting above-mentioned technical scheme, be favorable to sealing up the clearance between box body and the lid for pearl salt powder is difficult more to remove to the gap between go-between and the box body from the powder box, and simultaneously, make the gas that the intake pipe let in leak from the gap between box body and the lid more difficult, is favorable to improving the utilization ratio that the intake pipe admits air.

Preferably, the inner peripheral wall of the connecting ring is provided with a sealing groove for clamping the edge of the sealing gasket.

Through adopting above-mentioned technical scheme, the setting of seal groove is favorable to increasing the relation of being connected between go-between and the lid for the clamping ring is pressed the lid more steadily, and simultaneously, makes the pearl salt be difficult for flowing from the gap between lid and the box body more.

Preferably, the water inlet pipe is embedded at the bottom of the box body.

Through adopting above-mentioned technical scheme, the inlet tube does not directly run through the box body, is favorable to reducing the inlet tube and stretches into the box body in with the pearl salt emergence frictional condition in the box body, is favorable to reducing the condition that the inlet tube is worn and torn, and then makes pneumatic sand blasting machine not fragile more.

Preferably, the bottom of the box body is provided with a U-shaped channel for the water inlet pipe to pass through.

Through adopting above-mentioned technical scheme, the inlet tube is supported to U type pipeline, is favorable to reducing the condition that the inlet tube freely removed in the sand box, is favorable to fixed inlet tube.

Preferably, the outer peripheral wall of the connecting ring is recessed with a plurality of auxiliary grooves.

Through adopting above-mentioned technical scheme for the lid rotates more easily, makes the logical close easier realization of box body, simultaneously, when operating personnel grips pneumatic sand blasting machine, helps the fluting to make powder box surface unevenness, thereby makes operating personnel difficult for sliding when gripping start-up sand blasting machine, is favorable to improving operating personnel and grips the stability of sand blasting machine.

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

1. the box cover is fixed through the locking piece, so that the situation that the pearl salt is easy to move into the threads from the gap between the box cover and the powder box when the box cover is directly in threaded connection with the powder box is reduced, the situation that the powder box and the box cover are difficult to seal due to the fact that the pearl salt blocks the box cover or the threads of the powder box is reduced, and the situation that the box cover and the powder box are mutually abraded in the relative fixing process is reduced;

2. the arrangement of the sealing groove is beneficial to increasing the connection relation between the connecting ring and the box cover, so that the pressing ring presses the box cover more stably, and meanwhile, the pearl salt is more difficult to flow out from a gap between the box cover and the box body;

3. through helping grooved setting for the lid rotates more easily, makes the logical close easier of box body realize, simultaneously, when operating personnel grips pneumatic sand blasting machine, helps the fluting to make powder box surface unevenness, thereby makes operating personnel grip difficult the slip when starting sand blasting machine, is favorable to improving operating personnel and grips the stability of sand blasting machine.

Drawings

FIG. 1 is a schematic view of the overall structure of a pneumatic sander according to the present application.

FIG. 2 is a schematic illustration of an exploded view of a pneumatic sander according to the present application.

Fig. 3 is a schematic diagram for illustrating the structure of the pressure ring.

Fig. 4 is a sectional view of the compact.

Description of reference numerals: 1. an M4 linker; 11. a water inlet pipe; 12. an air inlet pipe; 2. powder box; 21. a front end connecting arm; 22. a box body; 221. a powder outlet pipe; 23. a rear end connecting arm; 231. a water outlet channel; 24. a box cover; 241. a fixing ring; 242. a sealing gasket; 243. a ring-placing groove is arranged; 25. pressing a ring; 251. a connecting ring; 252. pressing a ring; 253. a sealing groove; 3. a handle; 4. a spray head; 41. a water spray pipe; 42. a powder spraying pipe; 5. and (4) opening the groove.

Detailed Description

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

The embodiment of the application discloses pneumatic sand blasting machine. Referring to fig. 1, the pneumatic sandblasting machine comprises an M4 joint 1, a powder box 2, a handle 3 and a nozzle 4 which are sequentially spliced.

Referring to fig. 1, the powder container 2 includes a front end connecting arm 21, a container body 22, and a rear end connecting arm 23, a container cover 24 is provided at an opening of the container body 22, and the front end connecting arm 21, the container body 22, and the rear end connecting arm 23 are sequentially and integrally connected.

Referring to fig. 2 and 3, the M4 joint 1 is fixedly connected with one end of the front end connecting arm 21 far away from the box body 22, the water inlet pipe 11 is inserted into the M4 joint 1, the water inlet pipe 11 sequentially penetrates through the front end connecting arm 21 and the box body 22, the water inlet pipe 11 is in a U-shaped pipe shape, the water inlet pipe 11 is embedded at the bottom of the box body 22, and a U-shaped channel for the water inlet pipe 11 to penetrate through is formed at the bottom of the box body 22.

Referring to fig. 2 and 3, the handle 3 is fixedly connected to one end of the rear end connecting arm 23 away from the box body 22, a water outlet channel 231 penetrates through the rear end connecting arm 23, the water outlet channel 231 extends along the length direction of the axis of the rear end connecting arm 23 and penetrates through the handle 3, and the water inlet pipe 11 penetrates through the box body 22 and then is communicated with the water outlet channel 231 in the rear end connecting arm 23.

Referring to fig. 2 and 3, a spray pipe 41 penetrates through the nozzle 4, and one end of the spray pipe 41 is inserted into the water outlet 231 and is communicated with the water outlet 231.

Referring to fig. 2 and 3, an air inlet pipe 12 is further inserted into the M4 joint 1, the air inlet pipe 12 penetrates through the front end connecting arm 21 and extends into the box body 22, a powder outlet pipe 221 is further inserted into the box body 22, the powder outlet pipe 221 and the air inlet pipe 12 are oppositely arranged on two sides of the box body 22, and pipe openings of the powder outlet pipe 221 and the air inlet pipe 12 are close to each other, so that high-pressure air can push the pearl salt in the box body 22 into the powder outlet pipe 221 more easily.

Referring to fig. 2 and 3, the powder outlet pipe 221 penetrates through the water outlet channel 231, a cavity for water to flow is formed by the outer circumferential wall of the powder outlet pipe 221 and the inner circumferential wall of the water outlet channel 231, the powder spraying pipe 42 is inserted into the nozzle 4, and the powder outlet pipe 221 is communicated with the powder spraying pipe 42, so that the pearl salt powder can be sprayed out of the powder spraying pipe 42.

Referring to fig. 2 and 3, the compact 2 has a hollow spherical shape. The lower surface of the box cover 24 is integrally connected with a fixing ring 241, the fixing ring 241 is concentrically arranged with the circumference of the lower surface of the box cover 24, the lower surface of the fixing ring 241 is fixedly connected with a sealing washer 242, in this embodiment, the sealing washer 242 is specifically a rubber ring, the sealing washer 242 and the fixing ring 241 are concentrically arranged, the inner diameter of the sealing washer 242 is larger than the inner diameter of the fixing ring 241, and the outer diameter of the sealing washer 242 is larger than the outer diameter of the fixing ring 241. When the box cover 24 seals the box body 22, the side of the sealing gasket 242 away from the fixing ring 241 covers the top wall of the box body 22, so that the pearl salt powder is not easy to flow out from between the box cover 24 and the powder container 2.

Referring to fig. 2 and 3, a pressing ring 25 is arranged outside the box cover 24, the pressing ring 25 includes a connecting ring 251 and a pressing ring 252, an outer circumferential wall of the pressing ring 252 is fixedly connected with an inner circumferential wall of the connecting ring 251, and the pressing ring 252 is located at one end of the connecting ring 251.

Referring to fig. 2 and 3, the connection ring 251 is screwed to the box body 22, and the inner peripheral wall of the pressing ring 252 abuts against the outer periphery of the box cover 24. The outer side wall of the box cover 24 is provided with the annular groove 243 for the pressing ring 252 to be placed in, the side wall of the pressing ring 252 is attached to the inner side wall of the annular groove 243, the situation that the box cover 24 is easily abraded by the pressing ring 252 due to line contact between the pressing ring 252 and the box cover 24 is favorably reduced, the situation that the box cover 24 is damaged is favorably reduced, the maintenance cost that the box cover 24 is damaged and needs to be wasted is favorably reduced, and meanwhile, the pressing ring 25 is enabled to press the box cover 24 more stably.

Referring to fig. 4, the inner circumferential wall of the connection ring 251 is provided with a sealing groove 253, and when the connection ring 251 is screwed with the box 22, a portion of the sealing gasket 242 protruding out of the fixing ring 241 is snapped into the sealing groove 253, so that the pearl salt powder in the powder container 2 is less likely to flow into the screw threads of the pressing ring 25 and the box 22.

Referring to fig. 4, the box 22 has markings on its inner peripheral wall to indicate the maximum dose that can be held by the compact 2 in a single dose.

Referring to fig. 4, a plurality of auxiliary grooves 5 are recessed in the outer peripheral wall of the box cover 24, and the auxiliary grooves 5 are uniformly distributed around the outer periphery of the box cover 24, so that the box cover 24 is easier to rotate, and the box cover 24 is more labor-saving to rotate; meanwhile, the arrangement of the opening assisting groove 5 enables an operator to hold the pneumatic sand blasting machine without slipping easily, and enables the operator to hold the pneumatic sand blasting machine more stably to work.

Referring to fig. 2 and 3, the edges of the box cover 24 between the auxiliary grooves 5 are rounded, so that an operator is not easily cut by the edges of the box cover 24 when holding the pneumatic sandblasting machine.

The implementation principle of the pneumatic sand blasting machine in the embodiment of the application is as follows: when pearl salt needs to be placed, the pressing ring 25 is rotated to separate the pressing ring 25 from the box body 22, the box cover 24 can be taken out, the pearl salt is added into the box body 22, and the dosage of the pearl salt does not exceed the marked line. After the pearl salt is added, the box cover 24 is covered on the box body 22, the lower surface of the sealing washer 242 covers the top wall of the box body 22, then the pressing ring 25 is pressed on the box cover 24, the pressing ring 25 is rotated to fix the box cover 24 until the sealing washer 242 is inserted into the sealing groove 253, and the pneumatic sand blasting machine is installed.

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. The utility model provides a pneumatic sand blasting machine, includes M4 joint (1), powder box (2), handle (3) and shower nozzle (4) that splice in proper order, M4 connect (1) with intercommunication has inlet tube (11) and intake pipe (12) between handle (3), inlet tube (11) run through M4 connects (1), it has outlet channel (231) to open in handle (3), it has spray pipe (41) and dusting pipe (42) to peg graft in shower nozzle (4), spray pipe (41) and outlet channel (231) intercommunication; the air inlet pipe (12) extends into the powder box (2), a powder outlet pipe (221) is inserted into the powder box (2), and the powder outlet pipe (221) penetrates through the handle (3) and is communicated with the powder spraying pipe (42); the method is characterized in that: powder box (2) opening is equipped with lid (24), lid (24) diapire covers has solid fixed ring (241), the diapire area of solid fixed ring (241) is greater than the area of lid (24) diapire, still be equipped with the retaining member between lid (24) and powder box (2), work as when lid (24) seals powder box (2) opening, gu fixed ring (241) supports the roof of tight powder box (2).

2. A pneumatic blasting machine as claimed in claim 1, wherein: the locking piece comprises a connecting ring (251) in threaded connection with the box body (22) and a pressing ring (252) abutted to the outer side wall of the box cover (24), and the connecting ring (251) is integrally connected with the pressing ring (252).

3. A pneumatic blasting machine according to claim 2, wherein: the box cover (24) is provided with a ring placing groove (243) for placing the pressing ring (252).

4. A pneumatic blasting machine according to claim 2, wherein: and a sealing gasket (242) is fixedly connected to the lower surface of the fixing ring (241).

5. A pneumatic blasting machine according to claim 4, wherein: the inner peripheral wall of the connecting ring (251) is provided with a sealing groove (253) for the edge of the sealing gasket (242) to be clamped in.

6. A pneumatic blasting machine as claimed in claim 1, wherein: the water inlet pipe (11) is buried at the bottom of the box body (22).

7. A pneumatic blasting machine according to claim 6, wherein: the bottom of the box body (22) is provided with a U-shaped channel for the water inlet pipe (11) to pass through.

8. A pneumatic blasting machine according to claim 2, wherein: the outer peripheral wall of the connecting ring (251) is also recessed with a plurality of auxiliary grooves (5).