Dental sandblasting machine sand bottle
By designing the sand output pipe and blowing components of the dental sand blasting machine sand bottle, and controlling the sand output volume by airflow, the problems of unstable sand output and inconvenient use in the existing technology are solved, and a more stable and efficient sand blasting process is achieved.
Patent Information
- Application Number
- CN202420974784.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The design of existing dental sand blasting machines leads to unstable sand output, obstruction of observation field, and the gas-sand mixing pipe and sand output pipe are concentric in different axes, making it inconvenient to use.
A dental sand blasting machine sand bottle was designed, and the sand discharge pipe was adopted, including a pipe body and a blowing component. The pipe body was composed of an outer air pipe and an inner sand discharge pipe. The sand output was stabilized by controlling the airflow pressure, and the airflow guidance and sealing properties were ensured through the design of the sealing ring and the intake ring.
The stability and balance of sand output are achieved, the convenience and efficiency of use are improved, and the possibility of sand leakage is reduced.
Smart Images
Figure CN222723149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a dental medical device, in particular to a sand bottle of a dental sandblasting machine. Background Art
[0002] At present, the sandblasting tooth cleaning machine uses high-pressure airflow to spray dental sand powder onto the surface of teeth, thereby achieving the purpose of cleaning teeth. When sandblasting teeth cleaning, dental sandblasting equipment is needed, and the sand bottle is an indispensable sand tool bottle for sandblasting.
[0003] The sand bottle and air-sand mixing tube in the prior art are supported and fixed by the sand bottle body, and the supporting ribs are connected to the sand bottle body, which affects the observation field of view and blocks part of the sand from being poured out; the sand outlet is eccentric in one direction, and the sand output is unstable and unbalanced; and the air-sand mixing tube and the sand outlet tube are not coaxial or cocentric, so they need to be installed on the dental sandblasting equipment in different directions for use. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a sand bottle for a dental sandblasting machine.
[0005] The utility model is implemented by the following technical scheme: a sand bottle for a dental sandblasting machine, comprising a bottle body, a sand outlet pipe inserted into the bottle body, the sand outlet pipe comprising a pipe body and an air blowing component, the sand outlet pipe is inserted into the bottle body from the opening of the bottle body, the air blowing component is arranged on the inner wall of the bottle body and covers the opening of the bottle body, and the air blowing component is communicated with the sand outlet pipe;
[0006] The tube body comprises an outer air pipe and an inner sand pipe, wherein the outer air pipe is sleeved on the outside of the inner sand pipe, an air passage is formed between the outer air pipe and the inner sand pipe, a sand inlet is formed between the outer air pipe and the bottle body, the sand inlet is communicated with the air passage, and a sand inlet hole is provided at one end of the inner sand pipe inserted into the bottle body, the sand inlet hole is communicated with the inner sand pipe.
[0007] The outer air pipe penetrates the blowing assembly and extends into the bottle body, the inner air pipe is inserted into the outer air pipe and is fixed to the inner wall of the outer air pipe via a fixing piece, and an air hole is provided on the fixing piece.
[0008] The fixing member comprises a fixing ring, which is sleeved and fixed on the outer wall of the inner sand pipe, the outer wall of the fixing ring is fixed to the inner wall of the outer air pipe, the air hole is arranged on the end face of the fixing ring, one end of the inner sand pipe placed inside the bottle body extends out of the outer air pipe, and one end of the inner sand pipe placed outside the bottle body extends out of the outer air pipe.
[0009] The inner sand-conducting tube is inserted into a fixed guide ball at one end of the bottle body, and the sand-entering hole is arranged at the connection between the guide ball and the inner sand-conducting tube.
[0010] The blowing assembly includes a base and an air inlet ring, the bottle body is inserted on the base, the air inlet ring is sleeved on one end of the inner sand pipe placed outside the bottle body, an air inlet hole is provided on the base, and the air inlet hole is connected with the air inlet ring when the bottle body is inserted on the base.
[0011] A sealing ring is sleeved on the air intake ring, and a countersunk hole is provided on the base to accommodate the sealing ring. The side wall of the sealing ring abuts against the inner wall of the countersunk hole. One end of the sealing ring placed in the countersunk hole is folded inward and abuts against the outer wall of the inner sand pipe. An air guide area is formed between the inner sand pipe and the sealing ring, and the opening of the air guide area faces the air intake ring.
[0012] Compared with the prior art, in the utility model, when the airflow enters the gap between the outer air pipe and the inner sand pipe, negative pressure is formed at the sand inlet, and the sand powder nearby is drawn into the gap between the outer air pipe and the inner sand pipe, and driven by the airflow, it enters the inner sand pipe from the sand inlet hole, and is discharged from the inner sand pipe. The amount of sand output can be controlled by controlling the airflow pressure, and the amount of sand output is more stable and balanced. Once the air intake starts, the sealing ring will be opened, so that a gap is formed between the sealing ring and the inner sand pipe, and then the airflow enters from the gap, and once the air is not inflated, the gap will close quickly, the response speed is faster, and the sand leakage is less. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 yes Figure 1 The enlarged structural diagram at A in the middle;
[0015] Figure 3 It is a schematic diagram of the airflow direction when the utility model is in use, and the arrow direction in the figure indicates the airflow direction;
[0016] In the figure: 1. Bottle body; 2. External air pipe; 3. Internal sand pipe; 4. Sand inlet; 5. Sand inlet hole; 6. Base; 7. Air inlet ring; 8. Air inlet hole; 9. Sealing ring; 10. Fixing ring; 11. Air hole; 12. Guide ball. DETAILED DESCRIPTION
[0017] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0018] like Figure 1-3As shown, a sand bottle for a dental sandblasting machine comprises a bottle body 1, a sand outlet pipe is inserted into the bottle body 1, the sand outlet pipe comprises a pipe body and an air blowing assembly, the sand outlet pipe is inserted into the bottle body 1 from the opening of the bottle body 1, the air blowing assembly is arranged on the inner wall of the bottle body 1 and covers the opening of the bottle body 1, and the air blowing assembly is connected with the sand outlet pipe. The pipe body comprises an external air pipe 2 and an internal sand pipe 3, the external air pipe 2 is sleeved on the outside of the internal sand pipe 3, an air passage is formed between the external air pipe 2 and the internal sand pipe 3, a sand inlet 4 is formed between the external air pipe 2 and the bottle body 1, the sand inlet 4 is connected with the air passage, a sand inlet hole 5 is arranged at one end of the internal sand pipe 3 inserted into the bottle body 1, and the sand inlet hole 5 is connected with the internal sand pipe 3.
[0019] The air blowing assembly includes a base 6 and an air inlet ring 7. The bottle body 1 is inserted on the base 6. The air inlet ring 7 is sleeved on one end of the inner sand pipe 3 placed outside the bottle body. The base 6 is provided with an air inlet hole 8. When the bottle body is inserted on the base 6, the air inlet hole 8 is connected with the air inlet ring 7. A sealing ring 9 is sleeved on the air inlet ring 7. A countersunk hole is provided on the base 6 for accommodating the sealing ring 9. The side wall of the sealing ring 9 is in contact with the inner wall of the countersunk hole. One end of the sealing ring 9 placed in the countersunk hole is folded inward and pressed against the outer wall of the inner sand pipe 3. An air guide area is formed between the inner sand pipe 3 and the sealing ring 9, and the opening of the air guide area faces the air inlet ring 7. When air is inletted, air is supplied to the air inlet ring 7 through the air inlet hole 8. The air inlet ring 7 guides the airflow and blows air to the air guide area. Finally, under the action of the blowing air pressure, the sealing ring 9 is separated from the outer wall of the inner sand pipe 3. The airflow blows from the gap between the sealing ring 9 and the inner sand pipe 3 to the gap between the inner sand pipe 3 and the outer air pipe 2.
[0020] The outer air pipe 2 penetrates the blowing assembly and extends into the bottle body 1, the inner air pipe is inserted into the outer air pipe 2 and fixed to the inner wall of the outer air pipe 2 by a fixing member, and an air hole 11 is provided on the fixing member. The fixing member includes a fixing ring 10, the fixing ring 10 is sleeved and fixed on the outer wall of the inner sand pipe 3, the outer wall of the fixing ring 10 is fixed to the inner wall of the outer air pipe 2, the air hole 11 is provided on the end surface of the fixing ring 10, the end of the inner sand pipe 3 placed inside the bottle body extends out of the outer air pipe 2, and the end of the inner sand pipe 3 placed outside the bottle body extends out of the outer air pipe 2. A guide ball 12 is fixed to one end of the inner sand pipe 3 inserted into the bottle body, and a sand inlet hole 5 is provided at the connection between the guide ball 12 and the inner sand pipe 3.
[0021] When the airflow enters the gap between the outer air pipe 2 and the inner sand pipe 3, negative pressure is formed at the sand inlet 4, and the sand powder nearby is drawn into the gap between the outer air pipe 2 and the inner sand pipe 3, and driven by the airflow, it enters the inner sand pipe 3 from the sand inlet hole 5, and is discharged from the inner sand pipe 3. The amount of sand output can be controlled by controlling the airflow pressure, and the sand output is more stable and balanced. Once the air intake starts, the sealing ring 9 will be opened, so that a gap is formed between the sealing ring 9 and the inner sand pipe 3, and then the airflow enters from the gap. Once the air is not inflated, the gap will close quickly, the response speed is faster, and the sand leakage is less.
[0022] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A dental sandblasting machine sand bottle, comprising a bottle body, a sand outlet tube inserted into the bottle body, characterized in that: The sand output pipe comprises a pipe body and a blowing assembly, the sand output pipe is inserted into the bottle body from the opening of the bottle body, the blowing assembly is arranged on the inner wall of the bottle body and covers the opening of the bottle body, and the blowing assembly is communicated with the sand output pipe; The tube body comprises an outer air pipe and an inner sand pipe, wherein the outer air pipe is sleeved on the outside of the inner sand pipe, an air passage is formed between the outer air pipe and the inner sand pipe, a sand inlet is formed between the outer air pipe and the bottle body, the sand inlet is communicated with the air passage, and a sand inlet hole is provided at one end of the inner sand pipe inserted into the bottle body, the sand inlet hole is communicated with the inner sand pipe.
2. A dental sandblasting sand bottle according to claim 1, characterized in that: The outer air pipe penetrates the air blowing assembly and extends into the bottle body. The inner sand pipe is inserted into the outer air pipe and fixed to the inner wall of the outer air pipe via a fixing piece. The fixing piece is provided with an air hole.
3. A dental sandblasting sand bottle according to claim 2, characterized in that: The fixing member comprises a fixing ring, which is sleeved and fixed on the outer wall of the inner sand pipe, the outer wall of the fixing ring is fixed to the inner wall of the outer air pipe, the air hole is arranged on the end face of the fixing ring, one end of the inner sand pipe placed in the bottle body extends out of the outer air pipe, and one end of the inner sand pipe placed outside the bottle body extends out of the outer air pipe.
4. A dental sandblasting sand bottle according to claim 1, characterized in that: The inner sand-conducting tube is inserted into a fixed guide ball at one end of the bottle body, and the sand-entering hole is arranged at the connection between the guide ball and the inner sand-conducting tube.
5. The dental sandblasting machine sand bottle according to claim 3, characterized in that: The blowing assembly includes a base and an air intake ring, the bottle body is inserted on the base, the air intake ring is sleeved on one end of the inner sand pipe placed outside the bottle body, and an air intake hole is provided on the base. When the bottle body is inserted on the base, the air intake hole is connected with the air intake ring.
6. A dental sandblasting sand bottle according to claim 5, characterized in that: A sealing ring is sleeved on the air intake ring, and a countersunk hole is provided on the base to accommodate the sealing ring. The side wall of the sealing ring abuts against the inner wall of the countersunk hole. One end of the sealing ring placed in the countersunk hole is folded inward and abuts against the outer wall of the inner sand pipe. An air guide area is formed between the inner sand pipe and the sealing ring, and the opening of the air guide area faces the air intake ring.