A new type of pneumatic sandblasting tooth cleaning machine

Abstract

The utility model relates to the technical field of dental cleaning machines, and specifically to a novel pneumatic sandblasting dental cleaning machine, comprising a sandblasting gun, wherein the rear end of the outer wall of the sandblasting gun is connected to a sand storage tank for storing sand particles, the bottom end of the sandblasting gun is connected to a water receiving handle for receiving water, a sand outlet is arranged at one end of the sandblasting gun away from the sand storage tank, a dental cleaning machine handle is arranged at one end of the sand outlet away from the sandblasting gun, and the sand outlet and the dental cleaning machine handle are fixed by a connecting component. In the utility model, a rotating sleeve is rotated so that a ball bearing groove can press a ball bearing downward and fix it to an annular groove provided on a circular shaft sleeve, and the rotating sleeve is rotated so that when the ball bearing is in a strip slot, a person can pull the circular shaft sleeve outward, and a rotating buckle structure is adopted to fix the circular shaft sleeve, so that the device will not be loosened due to component deformation after long-term use, thereby improving safety during work.

Description

Technical Field

[0001] The utility model relates to the technical field of tooth cleaning machines, in particular to a novel pneumatic sandblasting tooth cleaning machine. Background Art

[0002] Sandblasting tooth cleaning machine is a dental cleaning device, which mainly uses special sandblasting tooth powder to spray onto the tooth surface through the sandblasting handpiece to remove dental plaque and pigment. This method is suitable for cleaning dental plaque and pigment stains in the gaps between teeth that are difficult to reach by ultrasonic tooth cleaning machines. The cleaning efficiency of tooth surface pigment is also much higher than that of ultrasonic tooth cleaning.

[0003] A new type of sandblasting tooth cleaning machine is disclosed in the Chinese patent announcement number CN217219231U. The patent technology uses the air outlet hole opened at the tail of the rear water-sand separation shaft to blow the sedimentary sand at the bottom of the sand tank upwards, so that the sand discharge is more uniform and smooth. At the same time, the connection between the air inlet pipe and the water inlet pipe and the inside of the sandblasting gun is equipped with an anti-back-suction component, so that the water and sand powder for tooth cleaning cannot be sucked back into the internal pipeline of the sandblasting gun to pollute the pipeline. At the same time, it has a simple structure and is suitable for a wide range of use.

[0004] However, it can be seen from the specification and drawings disclosed in the above patent technology that in the above patent technology, the handle of the dental scaler and the sand-discharging spindle are mostly connected and fixed by a ring-shaped plug-in method. This method will easily cause the internal accessories to deform after being used for a long time, thereby causing the connection structure to loosen. At the same time, it is also inconvenient to pull out the handle of the dental scaler for replacement, so there are certain shortcomings.

[0005] In summary, it is necessary to invent a new type of pneumatic sandblasting tooth cleaning machine. Utility Model Content

[0006] To this end, the utility model provides a novel pneumatic sandblasting dental scaler to solve the problem that the internal accessories may be easily deformed after long-term use, thereby causing the connection structure to loosen, and it is also inconvenient to pull out the handle of the dental scaler for replacement.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of pneumatic sandblasting tooth cleaning machine, comprising a sandblasting gun, a sand storage tank for storing sand grains is connected to the rear end of the outer wall of the sandblasting gun, a water receiving handle for receiving water is connected to the bottom end of the sandblasting gun, a sand outlet is provided at the end of the sandblasting gun away from the sand storage tank, a tooth cleaning machine handle is provided at the end of the sand outlet away from the sandblasting gun, and the sand outlet and the tooth cleaning machine handle are fixed by a connecting component.

[0008] Preferably, one end of the scaler handle away from the sand outlet is connected to a nozzle, the end of the nozzle away from the scaler handle is bent, and one end of the scaler handle close to the sand outlet is provided with a round sleeve.

[0009] Preferably, the connecting component includes a sand outlet main shaft, one end of the sand outlet main shaft is connected to the inner wall of the sand outlet port, a spring fixing groove is integrally fixed to the outer wall of the sand outlet main shaft and the side away from the sand outlet port, and one end of an annular torsion spring is fixed to the outer wall of the spring fixing groove.

[0010] Preferably, a rotating sleeve is provided on the outer wall of the sand-extracting main shaft and located outside the annular torsion spring, and a spring clamping groove is provided on the inner wall of the rotating sleeve and at a position corresponding to the annular torsion spring.

[0011] Preferably, a spring pin for fixing the end of the annular torsion spring is fixed to the inner wall of the spring retaining groove, and an annular embedding groove is provided on the outer wall of the sand outlet spindle and on the side of the spring retaining groove away from the sand outlet.

[0012] Preferably, the four annular embedding grooves are uniformly arranged in an annular array, the inner walls of the annular embedding grooves are installed with balls, and the inner wall of the rotating sleeve is provided with ball retaining grooves at positions corresponding to the balls.

[0013] Preferably, the inner wall of the rotating sleeve is provided with strip slots at the four end positions, the strip slots are aligned with the balls, the inner wall of the rotating sleeve is also provided with ball clamping grooves at positions corresponding to the balls, and the ends of the ball clamping grooves are connected to the strip slots.

[0014] Preferably, a round sleeve is provided at one end of the tooth cleaning machine handle close to the rotating sleeve, the round sleeve is inserted into the inner wall of the rotating sleeve, an annular groove is provided on the outer wall of the round sleeve at a position corresponding to the ball, and the ball abuts against the inner wall of the annular groove.

[0015] Preferably, a threaded ring groove is provided on the inner wall of the rotating sleeve and located at one end of the ball bearing slot away from the sand outlet, and a stop nut is threadedly connected to the inner wall of the threaded ring groove.

[0016] The beneficial effects of the utility model are:

[0017] The utility model discloses that the rotating sleeve is rotated so that the ball bearing groove can press the ball bearing downwards and fix it with the annular groove formed on the round shaft sleeve. When the ball bearing is in the strip-shaped slot, the rotating sleeve is rotated so that a person can pull the round shaft sleeve outwards. The round shaft sleeve is fixed by adopting a rotating buckle structure so that the device will not loosen even after long-term use, thereby improving the safety during work and simplifying the disassembly and assembly connection operation of the tooth cleaning machine handle and the sand outlet, making it convenient for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model in the front view direction;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the overall explosion structure;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the handle of the dental scaler in the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotating sleeve in the utility model when viewed from the left side;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the rotating sleeve in the utility model when viewed from the right side;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the sand discharge main shaft in the utility model when viewed from the right side.

[0024] In the figure: 100, sandblasting gun; 110, sand storage tank; 120, water receiving handle; 130, sand outlet; 200, rotating sleeve; 210, spring slot; 211, spring latch; 220, ball slot; 221, strip slot; 230, threaded ring groove; 300, dental scaler handle; 310, nozzle; 320, round shaft sleeve; 321, ring groove; 400, sand outlet spindle; 410, spring fixing groove; 420, ball; 500, annular torsion spring; 510, stop nut. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] See attached Figure 1-6The utility model provides a novel pneumatic sandblasting and dental cleaning machine, including a sandblasting gun 100, a sand storage tank 110 for storing sand grains is connected to the rear end of the outer wall of the sandblasting gun 100, and a water receiving handle 120 for receiving water is connected to the bottom end of the sandblasting gun 100. The water receiving handle 120 is provided to transport water to the sand storage tank 110, and the water and sand grains will be combined in the sandblasting gun 100 and output through the sand outlet 130. The sand outlet 130 is provided at one end of the sandblasting gun 100 away from the sand storage tank 110, and the sand outlet 130 is provided at one end of the sandblasting gun 100 away from the sand storage tank 110. The tooth scaler handle 300, one end of the tooth scaler handle 300 away from the sand outlet 130 is connected with a nozzle 310, the end of the nozzle 310 away from the tooth scaler handle 300 is bent, and the nozzle 310 is provided to spray water and sand to clean the teeth of the person, and the end of the tooth scaler handle 300 close to the sand outlet 130 is provided with a round shaft sleeve 320, and the round shaft sleeve 320 is provided to connect the tooth scaler handle 300 with the sand outlet 130 and the sand outlet spindle 400, so that the sandblasting gun 100 and water and sand can be sprayed from the nozzle 310;

[0027] The sand outlet 130 is fixed to the tooth cleaning machine handle 300 by a connecting component, and the connecting component includes a sand outlet spindle 400, one end of which is connected to the inner wall of the sand outlet 130. The sand outlet spindle 400 is mainly connected to the inner wall of the sand outlet 130 instead of the round shaft sleeve 320, so that the tooth cleaning machine handle 300 can be connected to the sand outlet 130 and can also be convenient for personnel to pull out and replace the tooth cleaning machine handle 300. The outer wall of the sand outlet spindle 400 and the side away from the sand outlet 130 are integrally fixed with a spring fixing groove 410, and the outer wall of the spring fixing groove 410 is fixed with one end of an annular torsion spring 500. The spring fixing groove 410 is provided to fix one end of the annular torsion spring 500 to the outer wall of the sand-discharging main shaft 400, and a rotating sleeve 200 is provided on the outer wall of the sand-discharging main shaft 400 and located on the outer side of the annular torsion spring 500. A spring clamping groove 210 is provided on the inner wall of the rotating sleeve 200 and at a position corresponding to the annular torsion spring 500. The outer wall of the stop nut 510 is connected to the inner wall of the spring clamping groove 210, and the spring clamping groove 210 is provided to connect the other end of the annular torsion spring 500 to the left side of the inner wall of the rotating sleeve 200, and the right end of the annular torsion spring 500 can be limited by the spring clamping pin 211;

[0028] The inner wall of the spring slot 210 is also fixed with a spring pin 211 for fixing the end of the annular torsion spring 500, and the two ends of the annular torsion spring 500 will be in a straight line after being connected to the sand outlet main shaft 400 and the rotating sleeve 200, and the annular torsion spring 500 is fixed on the outer wall of the sand outlet main shaft 400 and rotates in the spring slot 210. When the rotating sleeve 200 rotates, the annular torsion spring 500 will have a tensile tension, so that after the person releases the rotating sleeve 200, the annular torsion spring 500 will cause the rotating sleeve 200 to rotate in the opposite direction and reset through the elastic force. The outer wall of the sand outlet main shaft 400 and the side of the spring fixing slot 410 away from the sand outlet 130 are all provided with annular embedding grooves, and the four annular embedding grooves are evenly arranged in a circular array. The inner wall of the shaped groove is installed with a ball 420. The ball 420 is provided to cooperate with the annular groove 321 to lock the round shaft sleeve 320 inserted into the rotating sleeve 200, so that the tooth cleaning machine handle 300 can be fixed to the inner wall of the rotating sleeve 200. The inner wall of the rotating sleeve 200 is provided with a ball clamping groove 220 at the position corresponding to the ball 420. The inner wall of the rotating sleeve 200 is provided with a strip slot 221 at the four end positions of the inner wall of the rotating sleeve 200. The strip slot 221 is aligned with the ball 420. The inner wall of the rotating sleeve 200 and the position corresponding to the ball 420 are further provided with a ball clamping groove 220. The end of the ball clamping groove 220 is connected to the strip slot 221. The set ball 420 can roll in the ball clamping groove 220, and the set strip The depth of the slot 221 is greater than the depth of the ball bearing slot 220. At the same time, the depth of the ball bearing slot 220 becomes deeper and deeper in the direction of the strip slot 221. When the ball 420 is in the ball bearing slot 220 at one end away from the strip slot 221, the ball 420 is pushed outward, so that the outer wall of the ball 420 is fixedly abutted against the inner wall of the annular groove 321. In this way, the circular sleeve 320 can be fixed to the position of the ball 420 through the annular groove 321, and the ball 420 will be embedded in the annular embedding groove and cannot be removed. Therefore, the circular sleeve 320 cannot be pulled out, so that the dental cleaning machine handle 300 and the rotating sleeve 200 can be fixed. When personnel need to pull out the circular sleeve 320 When the tooth cleaning machine is in operation, the rotating sleeve 200 can be rotated so that the position of the ball 420 can be located at the position of the strip slot 221. Since the depth of the ball slot 220 at this position is deepened, the ball 420 can be pushed outward, so that the annular groove 321 can be easily separated from the ball 420, and the personnel can pull the round shaft sleeve 320 out of the rotating sleeve 200. The end of the tooth cleaning machine handle 300 close to the rotating sleeve 200 is provided with a round shaft sleeve 320, and the round shaft sleeve 320 is inserted into the inner wall of the rotating sleeve 200. The outer wall of the round shaft sleeve 320 and the corresponding position of the ball 420 are provided with an annular groove 321. The purpose of the annular groove 321 is to cooperate with the ball 420 to complete the fixation of the round shaft sleeve 320. The ball 420 abuts against the inner wall of the annular groove 321.A threaded ring groove 230 is formed on the inner wall of the rotating sleeve 200 and located at one end of the ball bearing groove 220 away from the sand outlet 130. A stop nut 510 is threadedly connected to the inner wall of the threaded ring groove 230.

[0029] The use process of the utility model is as follows: first, a person can place sand in the sand storage tank 110, and then connect the water receiving handle 120 to the water pipe, and then the person can start the device by powering on, and the sandblasting gun 100 will mix the sand storage tank 110 with water, and then transport the sand and water mixture to the nozzle 310 through the sand outlet 130, the sand outlet spindle 400, the round shaft sleeve 320, and the sand and water mixture, so that the nozzle 310 can spray the sand and water mixture to clean the teeth;

[0030] When the staff needs to pull out the tooth scaler handle 300, the staff can manually rotate the rotating sleeve 200, and the annular torsion spring 500 will generate an elastic force due to the rotation of the rotating sleeve 200, so that the position of the ball 420 can be located at the position of the bar slot 221, and then the staff can hold the tooth scaler handle 300 and pull the tooth scaler handle 300 outward, and when the round shaft sleeve 320 is pulled out, the round shaft sleeve 320 can push the ball 420 outward, so that the staff can easily pull out the round shaft sleeve 320, and then take out a new tooth scaler handle 300 and replace the round shaft sleeve 3 20 is inserted into the rotating sleeve 200 so that the ball 420 is in the position of the annular groove 321, and then the person loosens the rotating sleeve 200, and the provided annular torsion spring 500 will make the rotating sleeve 200 rotate in the opposite direction and reset, and the ball 420 can be in the side of the ball groove 220 away from the bar slot 221. Since the depth of the ball groove 220 is reduced at this time, the ball 420 will be squeezed inwardly, and the ball 420 will abut against the inner wall of the annular groove 321, so that the circular sleeve 320 can be fixed to the inner wall of the rotating sleeve 200, thereby completing the replacement of the dental cleaning machine handle 300.

[0031] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A novel pneumatic sandblasting tooth cleaning machine, comprising a sandblasting gun (100), wherein the rear end of the outer wall of the sandblasting gun (100) is connected to a sand storage tank (110) for storing sand particles, and the bottom end of the sandblasting gun (100) is connected to a water receiving handle (120) for receiving water, wherein: The sandblasting gun (100) is provided with a sand outlet (130) at one end away from the sand storage tank (110), and a tooth scaler handle (300) is provided at one end of the sand outlet (130) away from the sandblasting gun (100). The tooth scaler handle (300) is connected to a nozzle (310) at one end away from the sand outlet (130), and the nozzle (310) is bent at one end away from the tooth scaler handle (300). The tooth scaler handle (300) is provided with a nozzle (310) at one end close to the sand outlet (130). A round shaft sleeve (320) is arranged, and the sand outlet (130) and the tooth cleaning machine handle (300) are fixed via a connecting component, wherein the connecting component comprises a sand outlet spindle (400), one end of the sand outlet spindle (400) is connected to the inner wall of the sand outlet (130), and a spring fixing groove (410) is integrally fixed to the outer wall of the sand outlet spindle (400) and the side away from the sand outlet (130), and one end of an annular torsion spring (500) is fixed to the outer wall of the spring fixing groove (410).

2. A novel pneumatic sandblasting tooth cleaning machine according to claim 1, characterized in that: A rotating sleeve (200) is sleeved on the outer wall of the sand-extracting main shaft (400) and located outside the annular torsion spring (500), and a spring clamping groove (210) is provided on the inner wall of the rotating sleeve (200) at a position corresponding to the annular torsion spring (500).

3. A novel pneumatic sandblasting tooth cleaning machine according to claim 2, characterized in that: A spring latch (211) for fixing the end of the annular torsion spring (500) is also fixed on the inner wall of the spring retaining groove (210), and an annular embedding groove is provided on the outer wall of the sand outlet spindle (400) and on the side of the spring retaining groove (410) away from the sand outlet (130).

4. A novel pneumatic sandblasting tooth cleaning machine according to claim 3, characterized in that: The four annular embedding grooves are uniformly arranged in an annular array, the inner walls of the annular embedding grooves are installed with balls (420), and the inner wall of the rotating sleeve (200) is provided with ball clamping grooves (220) at positions corresponding to the balls (420).

5. A novel pneumatic sandblasting tooth cleaning machine according to claim 4, characterized in that: The inner wall of the rotating sleeve (200) is provided with strip-shaped slots (221) at four end positions, the strip-shaped slots (221) are aligned with the balls (420), and the inner wall of the rotating sleeve (200) is further provided with ball clamping grooves (220) at positions corresponding to the balls (420), and the ends of the ball clamping grooves (220) are connected to the strip-shaped slots (221).

6. A novel pneumatic sandblasting tooth cleaning machine according to claim 5, characterized in that: A round shaft sleeve (320) is arranged at one end of the tooth cleaning machine handle (300) close to the rotating sleeve (200), and the round shaft sleeve (320) is inserted into the inner wall of the rotating sleeve (200). An annular groove (321) is provided on the outer wall of the round shaft sleeve (320) at a position corresponding to the ball (420), and the ball (420) abuts against the inner wall of the annular groove (321).

7. A novel pneumatic sandblasting tooth cleaning machine according to claim 6, characterized in that: A threaded ring groove (230) is provided on the inner wall of the rotating sleeve (200) and at one end of the ball bearing groove (220) away from the sand outlet (130), and a stop nut (510) is threadedly connected to the inner wall of the threaded ring groove (230).

Images