Extrusion device for tooth desensitizer

Abstract

The utility model relates to the technical field of use of tooth desensitizers, and discloses a tooth desensitizer extrusion device which comprises a storage barrel, a precise extrusion mechanism is arranged on the storage barrel, the precise extrusion mechanism comprises a movable cover, a sealing sliding plate and an internal thread sealing piece, and the movable cover is movably inserted into the left side of the storage barrel. Through the separable design between the movable cover and the material storage barrel, the tooth desensitizer can be filled into the inner cavity of the material storage barrel in the production process, gas is conveyed into the inner cavity of the material storage barrel through the internal thread sealing piece, and the sealing sliding plate is pushed by gas pressure to slide leftwards in the inner cavity of the material storage barrel; according to the tooth desensitizer output device, the tooth desensitizer penetrates through the movable cover and the threaded cylinder part and then is output from the end of the output bent pipe, through the shape design of the output bent pipe, the output bent pipe can stretch into the oral cavity and align at the teeth, the function of accurately outputting the tooth desensitizer is achieved, operation of a user is facilitated, and meanwhile the waste rate of the tooth desensitizer is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of use of tooth desensitizing agents, and in particular to an extrusion device for tooth desensitizing agents. Background Art

[0002] Tooth desensitizer is a desensitizer used clinically for dentin hypersensitivity. It can be used to seal dentinal tubules, treat tooth hypersensitivity, and treat plaque-induced gingivitis, relieve and reduce gingival bleeding, and inhibit and reduce dental plaque.

[0003] A Chinese patent discloses an extrusion device for a tooth desensitizing agent, with publication number CN221273963U. The technical solution disclosed in the patent document is as follows: it includes an L-shaped frame, a through hole is provided at the bottom of the L-shaped frame, an extrusion mechanism is installed on the L-shaped frame, and a fixing mechanism is installed at the bottom of the L-shaped frame; the extrusion mechanism includes a screw rotatably connected to the inner bottom wall of the L-shaped frame, a motor is fixedly installed at the top of the screw, a support plate is fixedly installed on the top of the motor, the support plate is fixed to the inner side wall of the L-shaped frame, a screw sleeve is threadedly sleeved on the outer side of the screw sleeve, a U-shaped plate is fixedly installed on the outer side of the screw sleeve, and two mounting frames are symmetrically provided inside the U-shaped plate.

[0004] In order to solve the problem of manual extrusion and discharge of a cylinder containing a tooth desensitizing agent, which easily results in waste, the prior art adopts a method of designing a cylinder, an L-shaped round rod, a driving rod and other components in combination. However, the tooth desensitizing agent cannot be accurately discharged. The overall volume of this structure is large, and the output end of the cylinder containing the tooth desensitizing agent cannot be aligned with the teeth in the oral cavity for extrusion. An external device is required to transfer the desensitizing agent to the teeth, which is inconvenient for the operator and also leads to the problem of desensitizing agent waste. Utility Model Content

[0005] The purpose of the utility model is to provide an extrusion device for a tooth desensitizing agent, so as to solve the problem in the prior art that the tooth desensitizing agent cannot be accurately output.

[0006] The utility model provides the following technical solution: an extrusion device for a tooth desensitizing agent, comprising a storage barrel, a precise extrusion mechanism provided on the storage barrel, the precise extrusion mechanism comprising a movable cover, a sealing slide and an internal threaded closure member, the movable cover movably plugged into the left side of the storage barrel, an extension block fixedly mounted on the outer wall of the movable cover, a positioning bolt threadedly connected to the extension block, a threaded end of the positioning bolt movably connected to the outer wall of the storage barrel, a sealing ring fixedly connected to the outer surface of the movable cover, an outer wall of the sealing ring movably connected to the inner wall of the storage barrel, a threaded barrel member threadedly connected to the left side of the movable cover, an output elbow fixedly connected to the left side of the threaded barrel member, the sealing slide slidably connected to the inner wall of the storage barrel, and the internal threaded closure member fixedly connected to the right side of the storage barrel.

[0007] As a preferred embodiment of the above technical solution, the right side of the internal threaded closure is threadedly connected to a receiving tube, a handle is welded on the outer wall of the receiving tube, and a support sleeve is fixedly sleeved on the outer wall of the receiving tube.

[0008] As a preferred embodiment of the above technical solution, an air pump is fixedly installed on the left side of the support sleeve, an air cylinder is fixedly installed on the right side of the support sleeve, and the output end of the air pump is fixedly connected to the bottom of the air cylinder.

[0009] As a preferred embodiment of the above technical solution, the right side of the receiving cylinder is fixedly connected to a control square tube, the top of the air storage cylinder is fixedly connected to a solenoid valve, the top of the solenoid valve is fixedly connected to a transfer tube, and the end of the transfer tube away from the solenoid valve is fixedly connected to the right side of the control square tube.

[0010] As a preferred embodiment of the above technical solution, a porous plate is fixedly installed on the inner wall of the control square tube, and a gate plate is slidably connected to the inner wall above the control square tube.

[0011] As a preferred embodiment of the above technical solution, the right side of the gate plate is movably connected to the left side of the porous plate, a bracket is fixedly installed on the top of the control square tube, and a threaded rod is threadedly connected to the inner wall of the bracket.

[0012] As a preferred embodiment of the above technical solution, the bottom of the threaded rod is rotatably connected to the top of the gate plate, a limiting rod is fixedly installed on the top of the gate plate, and the outer wall of the limiting rod is slidably connected to the inner wall of the bracket.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model adopts the design that the movable cover and the storage barrel are detachable, so that the tooth desensitizing agent can be filled into the inner cavity of the storage barrel during the production process, and gas is delivered into the inner cavity of the storage barrel through the internal threaded sealing member. The sealing slide is pushed to the left in the inner cavity of the storage barrel by the gas pressure, and the tooth desensitizing agent passes through the movable cover and the threaded barrel and is then output from the end of the output elbow. The shape design of the output elbow allows it to be extended into the oral cavity and aligned with the teeth, thereby realizing the function of accurately outputting the tooth desensitizing agent, facilitating the user's operation, and reducing the waste rate of the tooth desensitizing agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-section structure of the storage barrel of the utility model;

[0017] Figure 3 This is a schematic diagram of the separation structure of the internal thread closure and the receiving tube of the utility model;

[0018] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 This is a schematic diagram of the cross-section structure of the control square tube of the utility model.

[0020] In the figure: 1. Storage barrel; 2. Precision extrusion mechanism; 21. Movable cover; 22. Extension block; 23. Sealing ring; 24. Threaded barrel; 25. Output elbow; 26. Sealing slide; 27. Internal thread closure; 28. Receiver; 281. Support sleeve; 282. Air pump; 283. Air storage barrel; 284. Solenoid valve; 285. Transfer pipe; 286. Control square pipe; 287. Perforated plate; 288. Gate; 289. Bracket; 2891. Threaded rod; 2892. Limit rod; 29. ​​Handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] like Figure 1-Figure 5As shown, the utility model provides a technical solution: an extrusion device for a tooth desensitizing agent, comprising a storage barrel 1, a precise extrusion mechanism 2 is provided on the storage barrel 1, the precise extrusion mechanism 2 comprises a movable cover 21, a sealing slide 26 and an internal threaded closure 27, the movable cover 21 is movably inserted in the left side of the storage barrel 1, an extension block 22 is fixedly installed on the outer wall of the movable cover 21, a positioning bolt is threadedly connected to the extension block 22, the threaded end of the positioning bolt is movably connected to the outer wall of the storage barrel 1, a sealing ring 23 is fixedly connected to the outer surface of the movable cover 21, the outer wall of the sealing ring 23 is movably connected to the inner wall of the storage barrel 1, a threaded barrel part 24 is threadedly connected to the left side of the movable cover 21, an output elbow 25 is fixedly connected to the left side of the threaded barrel part 24, the sealing slide 26 is slidably connected to the inner wall of the storage barrel 1, and the internal threaded closure 27 is fixedly connected to the right side of the storage barrel 1. During the production process, the tooth desensitizing agent can be filled into the inner cavity of the storage barrel 1 in advance. When in use, gas is delivered to the inner cavity of the storage barrel 1 through the internal threaded closure 27, and the air pressure pushes the sealing slide 26 to slide to the left in the inner cavity of the storage barrel 1, thereby passing the tooth desensitizing agent through the movable cover 21 and the threaded barrel 24 and then output from the end of the output elbow 25. Due to the shape design of the output elbow 25, it can be extended into the oral cavity and aligned with the teeth, thereby realizing the function of accurately outputting the tooth desensitizing agent. The fixing bolt on the extension block 22 is loosened, and the movable cover 21 can be pulled out from the left side of the storage barrel 1. Then the sealing slide 26 can be removed from the inner cavity of the storage barrel 1, which is convenient for the user to clean the entire storage barrel 1 and facilitate the recycling of the entire storage barrel 1. The design of the sealing ring 23 can seal the connection between the movable cover 21 and the storage barrel 1.

[0023] As an implementation method in this embodiment, Figure 3-Figure 5 As shown, the right side of the internal threaded closure 27 is threadedly connected to a receiving tube 28, a handle 29 is welded on the outer wall of the receiving tube 28, a support sleeve 281 is fixedly sleeved on the outer wall of the receiving tube 28, an air pump 282 is fixedly installed on the left side of the support sleeve 281, an air storage cylinder 283 is fixedly installed on the right side of the support sleeve 281, the output end of the air pump 282 is fixedly connected to the bottom of the air storage cylinder 283, the right side of the receiving tube 28 is fixedly connected to a control square tube 286, and the top of the air storage cylinder 283 is fixedly connected to an electric The magnetic valve 284 has a transfer tube 285 fixedly connected to the top of the electromagnetic valve 284. The end of the transfer tube 285 away from the electromagnetic valve 284 is fixedly connected to the right side of the control square tube 286. The air pump 282 is controlled to work and inflate the inner cavity of the air storage cylinder 283. The electromagnetic valve 284 is controlled to open and the gas inside the air storage cylinder 283 can be transported to the inside of the storage cylinder 1 through the transfer tube 285, the control square tube 286, the receiving tube 28 and the internal threaded closure 27, so as to facilitate the extrusion of the tooth desensitizing agent.

[0024] As an implementation method in this embodiment, Figure 3-Figure 5 As shown, a porous plate 287 is fixedly installed on the inner wall of the control square tube 286, a gate plate 288 is slidably connected to the inner wall above the control square tube 286, the right side of the gate plate 288 is movably connected to the left side of the porous plate 287, a bracket 289 is fixedly installed on the top of the control square tube 286, a threaded rod 2891 is threadedly connected to the inner wall of the bracket 289, the bottom of the threaded rod 2891 is rotatably connected to the top of the gate plate 288, a limiting rod 2892 is fixedly installed on the top of the gate plate 288, and the outer wall of the limiting rod 2892 is connected to the The inner wall of the bracket 289 is slidably connected, and the gate 288 is limited to vertical movement by the design of the limit rod 2892. The threaded rod 2891 is manually rotated to adjust the height of the gate 288, so that the gate 288 can close or release the holes on the side of the porous plate 287. By adjusting the number of open holes on the side of the porous plate 287, the output rate of the tooth desensitizing agent can be controlled. The material of the control square tube 286 is set to transparent plastic, which is convenient for the user to observe the adjustment height of the gate 288.

[0025] Working principle: During the production process, the tooth desensitizing agent is pre-filled into the inner cavity of the storage barrel 1. When in use, the solenoid valve 284 is controlled to open, and gas is delivered to the inner cavity of the storage barrel 1. The air pressure pushes the sealing slide 26 to slide to the left in the inner cavity of the storage barrel 1, and then the tooth desensitizing agent passes through the movable cover 21 and the threaded barrel 24 and is then output from the end of the output elbow 25. The end of the output elbow 25 is pre-extended into the oral cavity and aligned with the teeth, thereby realizing the function of precise output of the tooth desensitizing agent.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A tooth desensitizing agent extrusion device, comprising a storage barrel (1), characterized in that: The storage barrel (1) is provided with a precision extrusion mechanism (2), and the precision extrusion mechanism (2) comprises a movable cover (21), a sealing slide plate (26) and an internal threaded closure member (27). The movable cover (21) is movably plugged into the left side of the storage barrel (1). An extension block (22) is fixedly mounted on the outer wall of the movable cover (21). A positioning bolt is threadedly connected to the extension block (22). The threaded end of the positioning bolt is movably connected to the outer wall of the storage barrel (1). A sealing ring (23) is fixedly connected to the outer surface of the movable cover (21). The outer wall of the sealing ring (23) is movably connected to the inner wall of the storage barrel (1). The left side of the movable cover (21) is threadedly connected to a threaded barrel member (24). The left side of the threaded barrel member (24) is fixedly connected to an output elbow (25). The sealing slide plate (26) is slidably connected to the inner wall of the storage barrel (1). The internal threaded closure member (27) is fixedly connected to the right side of the storage barrel (1).

2. The extrusion device for a tooth desensitizing agent according to claim 1, characterized in that: The right side of the internal threaded closure (27) is threadedly connected to a receiving tube (28), a handle (29) is welded on the outer wall of the receiving tube (28), and a support sleeve (281) is fixedly sleeved on the outer wall of the receiving tube (28).

3. The extrusion device for a tooth desensitizing agent according to claim 2, characterized in that: An air pump (282) is fixedly installed on the left side of the support sleeve (281), and an air storage cylinder (283) is fixedly installed on the right side of the support sleeve (281). The output end of the air pump (282) is fixedly connected to the bottom of the air storage cylinder (283).

4. The extrusion device for a tooth desensitizing agent according to claim 3, characterized in that: The right side of the receiving cylinder (28) is fixedly connected to a control square tube (286), the top of the air storage cylinder (283) is fixedly connected to a solenoid valve (284), the top of the solenoid valve (284) is fixedly connected to a transfer tube (285), and the end of the transfer tube (285) away from the solenoid valve (284) is fixedly connected to the right side of the control square tube (286).

5. The tooth desensitizing agent extrusion device according to claim 4, characterized in that: A porous plate (287) is fixedly mounted on the inner wall of the control square tube (286), and a gate plate (288) is slidably connected to the inner wall above the control square tube (286).

6. The tooth desensitizing agent extrusion device according to claim 5, characterized in that: The right side of the gate plate (288) is movably connected to the left side of the porous plate (287), and a bracket (289) is fixedly installed on the top of the control square tube (286). A threaded rod (2891) is threadedly connected to the inner wall of the bracket (289).

7. The extrusion device for a tooth desensitizing agent according to claim 6, characterized in that: The bottom of the threaded rod (2891) is rotatably connected to the top of the gate (288), and a limiting rod (2892) is fixedly installed on the top of the gate (288). The outer wall of the limiting rod (2892) is slidably connected to the inner wall of the bracket (289).

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