CN217366136U

CN217366136U - Hand-held intraoral sand blasting gun

Info

Publication number: CN217366136U
Application number: CN202220463420.3U
Authority: CN
Inventors: 杨俊生; 蔡志海; 袁伯君
Original assignee: Foshan Coxo Medical Instrument Co ltd
Current assignee: Foshan Coxo Medical Instrument Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-09-06
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a hand-held type intraoral sand blasting gun. Relate to a dental equipment, especially relate to a sand blasting gun in hand-held type mouth. Including dismantling the handle of fixing on the rifle body, the one end that the rifle body was kept away from to the handle is fixed with the nozzle, and the rifle body is kept away from the fixed sand bottle of one end of handle, is equipped with atmospheric pressure passageway and water passageway in the rifle body and the handle, the atmospheric pressure passageway with the water passageway passes through powder gas mixing channel and nozzle intercommunication, the handle with be equipped with anti-disengaging mechanism between the rifle body, anti-disengaging mechanism with the atmospheric pressure passageway communicates each other, works as when letting in highly-compressed air in the atmospheric pressure passageway, anti-disengaging mechanism stretches out the rifle body inserts in the handle. When the anti-falling mechanism is used, the pressure applied to the anti-falling mechanism is larger along with the larger air pressure, so that the anti-falling mechanism is firmer, the handle part cannot fall off in the sand blasting process, and the fixing effect is better. And because the pneumatic drive is adopted, the extending column is hardly abraded in the using process, and the service life is longer.

Description

Hand-held intraoral sand blasting gun

Technical Field

The utility model relates to a dental equipment especially relates to a hand-held type intraoral sand blasting gun.

Background

Hand-held type intraoral sand blasting gun is a common equipment among the dental surgery, general hand-held type sand blasting gun comprises the rifle body and the nozzle of locating the rifle body head, and the nozzle passes through the handle to be fixed on the rifle body, the afterbody of the rifle body is fixed with the sand bottle, the sand in the sand bottle is through the internal highly-compressed air drive of input rifle from the nozzle blowout, the connection can be dismantled to the use between handle and the rifle body, the connection mode that generally can dismantle is bullet card locking or manual locking mode, and bullet card locking mode requires the size cooperation height, and easy because of appearing the part wearing and tearing and the condition of droing after inserting and pulling out many times, manual locking is then more numerous lock.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a hand-held intraoral sand blasting gun.

The utility model discloses a following technical scheme realizes: hand-held type intraoral sand blasting gun, including dismantling the handle of fixing on the rifle body, the one end that the rifle body was kept away from to the handle is fixed with the nozzle, and the rifle body is kept away from the fixed sand bottle of one end of handle, is equipped with atmospheric pressure passageway and water passageway in the rifle body and the handle, the atmospheric pressure passageway with the water passageway passes through powder gas mixing channel and nozzle intercommunication, the handle with be equipped with anti-disengaging mechanism between the rifle body, anti-disengaging mechanism with the atmospheric pressure passageway communicates each other, works as when letting in high-pressure air in the atmospheric pressure passageway, anti-disengaging mechanism stretches out the rifle body inserts in the handle.

The anti-disengaging mechanism is including stretching out the post, it locates to stretch out the post the rifle is internal, stretch out the post with be equipped with reset spring between the rifle body, stretch out the bottom of post with the atmospheric pressure passageway communicates each other, works as when let in high-pressure gas in the atmospheric pressure passageway stretch out the post top the rifle body is arranged in the handle.

The utility model discloses a pressure gun, including the rifle body, the rifle body is equipped with the storage tank, the storage tank perpendicular to the axis direction of the rifle body, stretch out the post and arrange in the storage tank just stretch out the cover on the post and be equipped with the pressure spring, the one end butt of pressure spring is in on the inner wall of storage tank, the other end butt of pressure spring is in stretch out on the post.

An annular groove is formed in one end, inserted into the accommodating groove, of the extending column, and one end, abutted against the extending column, of the pressure spring is clamped in the annular groove.

A clamping groove is formed in the side wall of the containing groove and is close to the notch of the containing groove, and one end, abutted against the containing groove, of the pressure spring is clamped and fixed in the clamping groove.

The extension column is arranged at one end in the accommodating groove, a sliding block is arranged at one end in the accommodating groove, the annular groove is formed in the outer side wall of the sliding block, and the outer side wall of the sliding block is in contact with the inner wall of the accommodating groove and slides in a reciprocating mode along the accommodating groove.

The gun body is provided with an air inlet, a sand inlet and a water inlet, the sand inlet is communicated with the sand bottle, a high-pressure air source is communicated with the air pressure channel through the air inlet, and the water inlet is communicated with a high-pressure water source.

Compared with the prior art, the utility model discloses during the sandblast, because high-pressure gas can continuously get into the rifle internal, just also can continuously with the ejecting handle that inserts of anti-disengaging mechanism, when using along with atmospheric pressure is big more, the pressure that anti-disengaging mechanism received is also big more, therefore anti-disengaging mechanism is firm more, leads to the handle portion can not drop at the sandblast in-process, and fixed effect is better. When the sand blasting is not carried out, the anti-falling mechanism is separated from the handle, so that the handle can be conveniently detached from the gun body and is convenient to replace.

When the high-pressure air supply air feed, stretch out the post and stretch out direct card in the handle from the rifle body, and atmospheric pressure is big more, and stretch out the power way of post card in the handle big more, the difficult follow rifle body that drops of handle portion in the use, and owing to adopt air pressure drive, stretch out the post and hardly can wear and tear in the use, life is longer.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

in the figure: 1. a gun body; 2. a handle; 3. a nozzle; 4. a sand bottle; 5. an anti-drop mechanism; 51. extending the column; 52. compressing the spring; 53. a slider; 54. a containing groove; 55. a branch airway; 6. an air inlet; 7. a water inlet; 8. an air pressure channel; 9. a water passage; 10. and a powder-gas mixing channel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-2, hand-held type intraoral sand blasting gun, including dismantling the handle 2 of fixing on the rifle body 1, the one end that the rifle body 1 was kept away from to handle 2 is fixed with nozzle 3, the fixed sand bottle 4 of one end that the handle 2 was kept away from to the rifle body 1, is equipped with atmospheric pressure passageway 8 and water passageway 9 in the rifle body 1 and the handle 2, atmospheric pressure passageway 8 with water passageway 9 communicates with nozzle 3 through powder gas mixing channel 10, handle 2 with be equipped with anti-disengaging mechanism 5 between the rifle body 1, anti-disengaging mechanism 5 with atmospheric pressure passageway 8 communicates each other, works as when letting in highly-compressed air in the atmospheric pressure passageway 8, anti-disengaging mechanism 5 stretches out the rifle body 1 inserts in the handle 2. During the sandblast, because high-pressure gas can continuously get into the rifle body 1 in, also can continuously with 5 ejecting insert handles 2 of anti-disengaging mechanism, when using along with atmospheric pressure is big more, the pressure that anti-disengaging mechanism 5 received is also big more, therefore anti-disengaging mechanism 5 is more firm, leads to 2 parts of handle can not drop at the sandblast in-process, and fixed effect is better. When the sand blasting is not carried out, the anti-falling mechanism 5 is separated from the handle 2, so that the handle 2 can be conveniently detached from the gun body 1, and the replacement is convenient.

The anti-falling mechanism 5 is including stretching out post 51, stretch out post 51 and locate in the rifle body 1, stretch out post 51 with be equipped with reset spring between the rifle body 1, stretch out the bottom of post 51 with pneumatic channel 8 communicates each other, works as when letting in high-pressure gas in the pneumatic channel 8 it is ejecting to stretch out post 51 the rifle body 1 is arranged in the handle 2. When the high-pressure air supply, stretch out post 51 and stretch out direct card in handle 2 from the rifle body 1, and atmospheric pressure is big more, and the power of stretching out post 51 card in handle 2 is said big more, and the difficult follow rifle body 1 that drops of handle 2 part in the use, and owing to adopt air pressure drive, stretch out post 51 and can hardly wear and tear in the use, and life is longer.

The gun body 1 is provided with a containing groove 54, the containing groove 54 is perpendicular to the axis direction of the gun body 1, the extending column 51 is arranged in the containing groove 54, the extending column 51 is sleeved with a pressure spring 52, one end of the pressure spring 52 is abutted to the inner wall of the containing groove 54, and the other end of the pressure spring 52 is abutted to the extending column 51. Use storage tank 54 to stretch out and retract to stretch out post 51 and play spacing guide effect, and when stretching out post 51 and stretch out the pressure spring 52 atress compressed, and when high pressurized air source does not supply air, stretch out post 51 and retract to storage tank 54 under the effect that pressure spring 52 resets in for it is more convenient to dismantle, and because use high pressurized air source as the drive that the post 51 stretched out, it is little to stretch out the wearing and tearing of post 51, life is more of a specified duration.

An annular groove is formed in one end, inserted into the accommodating groove 54, of the extending column 51, and one end, abutted against the extending column 51, of the pressure spring 52 is clamped in the annular groove. A clamping groove is formed in the side wall of the accommodating groove 54 and is close to the notch of the accommodating groove 54, and one end of the pressure spring 52 abutting against the accommodating groove 54 is clamped and fixed in the clamping groove. The position of the pressure spring 52 is fixed through the annular groove and the clamping groove, so that the pressure spring 52 cannot obviously displace in the repeated compression process. The service life is prolonged.

A sliding block 53 is arranged at one end of the extending column 51, which is arranged in the accommodating groove 54, the annular groove is formed in the outer side wall of the sliding block 53, and the outer side wall of the sliding block 53 is in contact with the inner wall of the accommodating groove 54 and slides back and forth along the accommodating groove 54.

The gun body 1 is provided with an air inlet 6, a sand inlet and a water inlet 7, the sand inlet is communicated with the sand bottle 4, a high-pressure air source is communicated with the air pressure channel 8 through the air inlet 6, and the water inlet 7 is communicated with a high-pressure water source. The high pressurized air source that the post 51 was stretched out in sandblast used high pressurized air source and drive uses same air source, can communicate with pneumatic channel 8 through branch road air flue 55, and the internal diameter of branch road air flue 55 is less than pneumatic channel 8's internal diameter, consequently when the air feed through high pressurized air source, and the atmospheric pressure of giving branch road air flue 55 air feed will obviously be less than the atmospheric pressure of nozzle 3 department, still has sufficient atmospheric pressure to promote nozzle 3 and sandblast, can not influence the sandblast operation.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. Hand-held type intraoral sand blasting gun, including dismantling the handle of fixing on the rifle body, the one end that the rifle body was kept away from to the handle is fixed with the nozzle, and the rifle body is kept away from the fixed sand bottle of one end of handle, is equipped with atmospheric pressure passageway and water passageway in the rifle body and the handle, the atmospheric pressure passageway with the water passageway communicates its characterized in that through powder gas mixing channel and nozzle: the anti-falling gun is characterized in that an anti-falling mechanism is arranged between the handle and the gun body and is communicated with the air pressure channel, and when high-pressure air is introduced into the air pressure channel, the anti-falling mechanism extends out of the gun body and is inserted into the handle.

2. The hand-held intraoral blast gun according to claim 1, characterized in that: the anti-disengaging mechanism is including stretching out the post, it locates to stretch out the post the rifle is internal, stretch out the post with be equipped with reset spring between the rifle body, stretch out the bottom of post with the atmospheric pressure passageway communicates each other, works as when let in high-pressure gas in the atmospheric pressure passageway stretch out the post top the rifle body is arranged in the handle.

3. The hand-held intraoral blast gun according to claim 2, characterized in that: the utility model discloses a pressure gun, including the rifle body, the rifle body is equipped with the storage tank, the storage tank perpendicular to the axis direction of the rifle body, stretch out the post and arrange in the storage tank just stretch out the cover on the post and be equipped with the pressure spring, the one end butt of pressure spring is in on the inner wall of storage tank, the other end butt of pressure spring is in stretch out on the post.

4. The hand-held intraoral blast gun according to claim 3, characterized in that: an annular groove is formed in one end, inserted into the accommodating groove, of the extending column, and one end, abutted against the extending column, of the pressure spring is clamped in the annular groove.

5. The hand-held intraoral blast gun according to claim 3, characterized in that: a clamping groove is formed in the side wall of the containing groove and is close to the notch of the containing groove, and one end, abutted against the containing groove, of the pressure spring is clamped and fixed in the clamping groove.

6. The hand-held intraoral blast gun according to claim 4, characterized in that: the extension column is arranged at one end in the accommodating groove, a sliding block is arranged at one end in the accommodating groove, the annular groove is formed in the outer side wall of the sliding block, and the outer side wall of the sliding block is in contact with the inner wall of the accommodating groove and slides in a reciprocating mode along the accommodating groove.

7. The hand-held intraoral blast gun according to claim 1, characterized in that: the gun body is provided with an air inlet, a sand inlet and a water inlet, the sand inlet is communicated with the sand bottle, a high-pressure air source is communicated with the air pressure channel through the air inlet, and the water inlet is communicated with a high-pressure water source.