Sand tank of dental sand blasting machine

Abstract

The utility model discloses a sand tank of a dental sand blasting machine, which comprises a tank body and a base, the tank body is arranged on the base, an air inlet hole, an air inlet auxiliary hole, a sand outlet hole, a main control hole and an auxiliary control hole are arranged in the base, the air inlet hole and the sand outlet hole are vertically and parallelly arranged, the upper end of the air inlet hole is connected with an air inlet pipe communicated with the tank body, and the lower end of the air inlet pipe is connected with an air outlet pipe. The upper end of the sand outlet hole is connected with a sand outlet pipe communicated with the tank body, the air inlet auxiliary hole is transversely formed between the air inlet hole and the sand outlet hole, one end is communicated with the air inlet hole, and the other end is communicated with the sand outlet hole; the main control hole is arranged above the auxiliary air inlet hole in parallel, one end of the main control hole penetrates to the left side of the air inlet hole, the other end of the main control hole penetrates to the right side of the sand outlet hole, a first spring, a first valve core and a second valve core are arranged in the main control hole, the first spring is arranged at the left end of the main control hole, and the left end of the first valve core is connected with the first spring. According to the utility model, the sand blasting powder in the sand gun and the hose can be conveniently and quickly purged and cleaned, additional disassembly and assembly processes are avoided, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dental instrument technical field, concretely relates to a sand tank of dental sand blasting machine. BACKGROUND

[0002] Dental sand blasting machine is a kind of instrument that can clean the surface of teeth, specifically can remove supragingival and subgingival dental plaque, soft dirt, early dental calculus, smoke stain and tea stain etc., can effectively prevent the occurrence of periodontal disease, and maintain the health of teeth.

[0003] When dental sand blasting machine is used, compressed gas (usually air) is used to lift dental sand blasting powder (main component is usually sodium bicarbonate, glycine or erythritol) and spray it to the surface of teeth, and the liquid medium (usually water) is sprayed together. Sand gun is used as the handheld instrument for the work, and sand gas pipeline and water pipeline are arranged in the sand gun, the lifted sand blasting powder passes through sand gas channel, and after stopping work, sand blasting powder is left in the sand gas channel of the sand gun from the sand outlet pipe of the sand tank to the connecting hose, cleaning is needed, and currently cleaning mainly includes the following steps: the connecting hose is disconnected and connected to the conveying pipe of compressed air, the process of disconnection and installation is more complicated, and the efficiency is lower. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sand tank of dental sand blasting machine to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a sand tank of dental sand blasting machine, including tank body and base, tank body setting in base, base inside setting air inlet hole, air inlet auxiliary hole, sand outlet hole, main control hole and auxiliary control hole, air inlet hole and sand outlet hole vertical and parallel setting, air inlet hole upper end is connected with the air inlet pipe that communicates with tank body, sand outlet hole upper end is connected with the sand outlet pipe that communicates with tank body, air inlet auxiliary hole is laterally arranged between air inlet hole and sand outlet hole, and one end is communicated with air inlet hole, and the other end is communicated with sand outlet hole, main control hole is parallelly arranged above air inlet auxiliary hole, and one end is communicated to the left side of air inlet hole, and the other end is communicated to the right side of sand outlet hole, spring one, valve core one and valve core two are arranged in main control hole, spring one is arranged in the left end of main control hole, valve core one left end is connected with spring one, valve core one is equipped with the through hole one that adapts with the aperture of air inlet hole, valve core one is slid in the main control hole and is communicated with air inlet hole, is used for closing or opening air inlet hole, valve core two is equipped with the through hole two that adapts with the aperture of sand outlet hole, valve core two is slid in the main control hole and is communicated with sand outlet hole, is used for closing or opening sand outlet hole, valve core two right end is equipped with the driving rod, the driving rod extends out of the base, and the corresponding base side wall is provided with a limiting mechanism, auxiliary control hole is vertically arranged between air inlet hole and sand outlet hole, the lower end of auxiliary control hole is closed, and the upper end is communicated with the main control hole between valve core one and valve core two and is communicated with air inlet auxiliary hole, spring two and valve core three are arranged in auxiliary control hole, spring two is arranged in the lower part of auxiliary control hole and is connected with valve core three on the upper end, valve core three is equipped with the through hole three that adapts with the aperture of air inlet auxiliary hole, valve core three is slid in auxiliary control hole and is used for closing or opening air inlet auxiliary hole, the upper end of valve core three is equipped with the inclined arc-shaped end face, the left end of valve core two is also equipped with the corresponding arc-shaped end face, and is used for driving valve core three to slide down.

[0006] As a preferred embodiment of the technical solution, one end of the driving rod extending out of the base is provided with a handle.

[0007] As a preferred embodiment of the technical solution, the limiting mechanism comprises a screw rod and a limiting plate, the screw rod is fixed on the base, the screw rod is parallel to the driving rod, the limiting plate is threadedly connected to the screw rod and is fixed by a nut on the screw rod.

[0008] As a preferred embodiment of the technical solution, the side wall of the tank body is provided with a connecting part extending out of the bottom wall of the tank body, the connecting part is provided with internal threads, the outer side of the base is provided with external threads, and the base and the connecting part of the tank body are threadedly connected.

[0009] Compared with the prior art, the beneficial effects of the utility model are that: the utility model sets up the air inlet hole, the air inlet auxiliary hole, the sand outlet hole, the main control hole and the auxiliary control hole in the base, the valve core one, the valve core two and the valve core three in the main control hole and the auxiliary control hole, and sets up the corresponding through hole one, the through hole two and the through hole three on the valve core one, the valve core two and the valve core three, sets up the driving rod on the valve core two, drives the valve core two through the driving rod, controls the valve core one and the valve core three to slide, when normally using, the valve core one opens the air inlet hole, the valve core two opens the sand outlet hole, the valve core three closes the air inlet auxiliary hole, when needing to clean the sandblasting powder in the sand gun and the hose, the valve core one closes the air inlet hole, the valve core two closes the sand outlet hole, the valve core three opens the air inlet auxiliary hole, the gas of the air inlet hole sweeps the sandblasting powder in the sand gun and the hose through the air inlet auxiliary hole and the sand outlet hole, the cleaning work is convenient and fast, avoids the process of additional dismounting and installing, improves the efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the structural schematic diagram of the utility model for normal use.

[0011] Fig. 2 It is the structural schematic diagram of the utility model when cleaning the sandblasting powder.

[0012] Fig. 3 It is the structural schematic diagram of the base of the utility model. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0014] Please refer to Figs. 1-3The utility model discloses a sand tank of dental sand blasting machine, including jar body 1 and base 2, jar body 1 sets up on base 2, and the inside of base 2 is provided with air inlet hole 2.1, air inlet auxiliary hole 2.3, sand outlet hole 2.2, main control hole 2.4 and auxiliary control hole 2.5, and air inlet hole 2.1 and sand outlet hole 2.2 are vertically and parallelly arranged, and the upper end of air inlet hole 2.1 is connected with the air inlet pipe 3 that communicates with jar body 1, and the lower end of air inlet hole 2.1 is connected with the compressed gas pipe, and the upper end of sand outlet hole 2.2 is connected with the sand outlet pipe 4 that communicates with jar body 1, and the lower end of sand outlet hole 2.2 is connected with sand gun through hose, and air inlet auxiliary hole 2.3 is laterally arranged between air inlet hole 2.1 and sand outlet hole 2.2, and one end communicates with air inlet hole 2.1, and the other end communicates with sand outlet hole 2.2, and main control hole 2.4 is horizontally arranged above air inlet auxiliary hole 2.3, and one end penetrates to the left side of air inlet hole 2.1, and the other end penetrates to the right side of sand outlet hole 2.2, that is, one end of main control hole 2.4 communicates with air inlet hole 2.1 and penetrates to the left side of air inlet hole 2.1, and the other end communicates with sand outlet hole 2.2 and penetrates to the right side of sand outlet hole 2.2, and spring one 5, valve core one 6 and valve core two 7 are arranged in main control hole 2.4, spring one 5 is arranged at the left end of main control hole 2.4, valve core one 6 is connected with spring one 5 at the left end, and valve core one 6 is provided with through hole one that is adapted to the aperture of air inlet hole 2.1, and valve core one 6 slides at the place of main control hole 2.4 that penetrates air inlet hole 2.1, and is used to close or open air inlet hole 2.1, and valve core two 7 is provided with through hole two that is adapted to the aperture of sand outlet hole 2.2, and valve core two 7 slides at the place of main control hole 2.4 that penetrates sand outlet hole 2.2, and is used to close or open sand outlet hole 2.2, and the right end of valve core two 7 is provided with driving rod 10, and driving rod 10 extends out of base 2, and the side wall of base 2 corresponding to driving rod 10 is provided with limiting mechanism, and auxiliary control hole 2.5 is vertically arranged between air inlet hole 2.1 and sand outlet hole 2.2, and the lower end of auxiliary control hole 2.5 is closed, and the upper end penetrates air inlet auxiliary hole 2.3 and penetrates to the main control hole 2.4 between valve core one 6 and valve core two 7, and spring two 8 and valve core three 9 are arranged in auxiliary control hole 2.5, spring two 8 is arranged in the lower part of auxiliary control hole 2.5 and is connected with valve core three 9 at the upper end, and valve core three 9 is provided with through hole three that is adapted to the aperture of air inlet auxiliary hole 2.3, and valve core three 9 slides in auxiliary control hole 2.5 and is used to close or open air inlet auxiliary hole 2.3, and the upper end of valve core three 9 is provided with inclined arc-shaped end face, and the left end of valve core two 7 is also provided with corresponding arc-shaped end face, and is used to drive valve core three 9 to slide down, that is, valve core two 7 slides to the left, and the upper end of valve core three 9 is pushed by end face, and can push valve core three 9 to slide down.

[0015] The utility model discloses in specific implementation, the right end of main control hole 2.4 is equipped with the hole that protrudes, the section of drive rod 10 is less than the section of valve core two 7, and the one end of drive rod 10 that extends out the base 2 is equipped with the handle 12 through the hole that protrudes. Limiting mechanism includes screw rod 11 and limiting plate 13, and screw rod 11 is fixed on the base 2, and screw rod 11 and drive rod 10 are parallel, and limiting plate 13 is screwed on screw rod 11, and is fixed through the nut 14 on screw rod 11, and limiting plate 13 reaches the purpose of limiting drive rod 10 by limiting handle 12, and each valve core is equipped with sealing ring, and drive rod and base are also equipped with sealing ring.

[0016] The utility model discloses in specific implementation, and the lateral wall of tank body 1 is equipped with the connecting portion that extends out tank body 1 bottom wall, and the connecting portion sets up internal thread, and the outside of base 2 is equipped with external thread, and base 2 and the connecting portion screw connection of tank body 1.

[0017] The utility model discloses in normal work, the through hole one of valve core one and air inlet hole are aligned, and the through hole two of valve core two and sand outlet hole are aligned, and the through hole three of valve core three and air inlet auxiliary hole are not aligned, that is, compressed gas passes air inlet hole, air inlet pipe and enters into tank body, and sandblasting powder is raised, and sandblasting powder enters sandblasting gun along with compressed gas, and water is sprayed to the tooth surface, when needing to carry out cleaning work, through drive rod, valve core two slides to the direction of valve core one, and drive rod is limited through limiting mechanism, and valve core two presses valve core three, and drive valve core three to slide down, then drive valve core one to slide left, cause the through hole one of valve core one and air inlet hole not to be aligned, and the through hole three of valve core two and sand outlet hole not to be aligned, and the through hole three of valve core three and air inlet auxiliary hole are aligned, and after compressed gas enters air inlet hole, pass through air inlet auxiliary hole, and from the lower part of sand outlet hole through hose to sandblasting gun, and sandblasting powder in hose and sandblasting gun is cleaned, convenient and fast, and high efficiency.

[0018] Finally, it should be pointed out that: in the description of the utility model, it should be pointed out that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements referred to must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model.

Claims

1. A sand pot for a dental sandblaster, characterized by: The application relates to a sand tank, which comprises a tank body and a base, air inlet holes, air inlet auxiliary holes, sand outlet holes, main control holes and auxiliary control holes are arranged in the base, the air inlet holes and the sand outlet holes are vertically and parallel arranged, an air inlet pipe is connected to the upper end of the air inlet holes and communicates with the tank body, a sand outlet pipe is connected to the upper end of the sand outlet holes and communicates with the tank body, the air inlet auxiliary holes are transversely arranged between the air inlet holes and the sand outlet holes and communicate with the air inlet holes at one end and the sand outlet holes at the other end; the main control holes are vertically arranged above the air inlet auxiliary holes and communicate with the left side of the air inlet holes at one end and the right side of the sand outlet holes at the other end, springs, valve cores and valve spools are arranged in the main control holes, the springs are arranged at the left end of the main control holes, the left end of the valve cores is connected with the springs, the valve cores are provided with through holes matched with the diameters of the air inlet holes, the valve cores slide in the main control holes and are used for closing or opening the air inlet holes, the valve spools are provided with through holes matched with the diameters of the sand outlet holes, the valve spools slide in the main control holes and are used for closing or opening the sand outlet holes, driving rods are arranged at the right end of the valve spools, the driving rods extend out of the base, and the base is provided with limiting mechanisms corresponding to the driving rods; the auxiliary control holes are vertically arranged between the air inlet holes and the sand outlet holes, the lower end of the auxiliary control holes is closed, the upper end of the auxiliary control holes communicates with the air inlet auxiliary holes and the main control holes between the valve cores, springs and valve cores are arranged in the auxiliary control holes, the springs are arranged at the lower part of the auxiliary control holes and are connected with the valve cores at the upper end, the valve cores are provided with through holes matched with the diameters of the air inlet auxiliary holes, the valve cores slide in the auxiliary control holes and are used for closing or opening the air inlet auxiliary holes, the valve cores are provided with inclined arc-shaped end faces at the upper end, the left end of the valve cores is also provided with corresponding arc-shaped end faces and is used for driving the valve cores to slide downwards.

2. Sand pot for a dental sandblaster according to claim 1, characterized in that The end of the driving rod extending out of the base is provided with a handle.

3. Sand pot for a dental sandblaster according to claim 2, characterized in that: The limiting mechanism comprises a screw rod and a limiting plate, the screw rod is fixed on the base, the screw rod is parallel with the driving rod, the limiting plate is screw-connected on the screw rod and is fixed through a nut on the screw rod.

4. The sand pot of a sandblasting machine for dental use according to claim 1, characterized in that: The side wall of the tank body is provided with a connecting part extending out of the bottom wall of the tank body, the connecting part is provided with internal threads, the outer side of the base is provided with external threads, and the base and the connecting part of the tank body are screw-connected.

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