Movable denture convenient to disassemble

By setting up a U-shaped mount and worm gear transmission system on the gum, the problem of inconvenient disassembly of existing dentures is solved, and the rapid disassembly and assembly and adjustment of dentures is achieved.

CN223143611UActive Publication Date: 2025-07-25SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
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Patent Information

Application Number
CN202422227303.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-07-25
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The existing movable dentures are inconvenient for rapid disassembly, resulting in difficulty in post-adjustment.

Method used

A U-shaped mounting base is installed on the gum, and an installation cavity and limiting column are provided in the base of the denture assembly. The worm and worm gear transmission system and screw are used to achieve rapid disassembly and assembly of the denture.

Benefits of technology

It realizes rapid disassembly and assembly of dentures, which facilitates later adjustment and maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223143611U_ABST
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Abstract

The utility model discloses a removable denture convenient to disassemble, and relates to the field of dentures, the removable denture comprises a gum and a denture assembly mounted on the gum, a groove is formed in the outer wall of one side of the gum, a mounting seat is mounted on the inner wall of the groove, the mounting seat is of a U-shaped structure, the denture assembly is mounted in the mounting seat, and the denture assembly comprises a base; a false tooth body is fixedly connected to the outer wall of the top of the base, a mounting cavity is formed in the base, edge openings are formed in the inner walls of the two sides of the mounting cavity, and limiting columns are slidably connected to the inner walls of the two edge openings. According to the denture, the mounting seat and the denture assembly are arranged on the gum, the base in the denture assembly is conveniently matched with the mounting seat, the denture assembly can be conveniently and quickly disassembled and assembled, and the problem that an existing denture is inconvenient to quickly disassemble and assemble is solved.
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Description

Technical Field

[0001] This application relates to the field of dentures, and particularly to a removable partial denture that is easy to disassemble. Background Art

[0002] The professional name of a removable partial denture is a removable denture, including a removable partial denture and a complete denture. It uses artificial teeth to restore the shape and function of missing teeth. It is a prosthesis that patients can remove and wear by themselves. It is a false tooth inlaid to restore functions such as chewing, aesthetics, and pronunciation after teeth fall out or are extracted.

[0003] Existing removable partial dentures generally include: a dental base and false teeth fixed on the dental base. Hooks and a baseplate are fixed on the dental base. Then, the removable partial denture is hung on adjacent natural teeth by using the hooks. This installation method is inconvenient to disassemble during actual operation, and thus inconvenient to adjust the denture later. Utility Model Content

[0004] To solve the problem that existing removable partial dentures are inconvenient to disassemble, this application provides a removable partial denture that is easy to disassemble.

[0005] A removable partial denture provided by this application adopts the following technical solutions:

[0006] A removable partial denture that is easy to disassemble includes a dental bed and a denture assembly installed on the dental bed. A groove is formed on the outer wall of one side of the dental bed, and a mounting seat is installed on the inner wall of the groove. The mounting seat is of a U-shaped structure, and the denture assembly is installed in the mounting seat. The denture assembly includes a base, and a denture body is fixedly connected to the outer wall of the top of the base. An installation cavity is formed inside the base, and chamfers are formed on the inner walls of both sides of the installation cavity. Limit posts are slidably connected to the inner walls of the two chamfers.

[0007] By adopting the above technical solutions, the mounting seat on the dental bed facilitates the installation of the denture assembly. The base in the denture assembly facilitates its installation on the mounting seat. The denture body is fixed on the base. An installation cavity is formed in the base, and the formation of the installation cavity facilitates the sliding installation of the limit posts. The setting of the limit posts facilitates the fixation of the base on the mounting seat.

[0008] Two symmetrically arranged fixing frames are fixedly connected to the inner wall of the installation cavity, and screws are rotatably connected between the two fixing frames and the inner wall of the installation cavity. A worm gear is rotatably connected between the two fixing frames, and the transmission shaft of the worm gear is connected to the two screws.

[0009] By adopting the above technical solutions, the setting of the fixing frames facilitates the rotational installation of the screws, and the worm gear arranged between the two fixing frames facilitates directly driving the two screws to rotate synchronously.

[0010] There are two sliding rods fixedly connected between each of the two fixing frames and the inner wall of the installation cavity. The outer walls of the four sliding rods are respectively slidably connected with two sliding seats. The two sliding seats are respectively fixedly connected to the two limit posts. Thread grooves extending into the limit posts are formed on the outer walls of the two sliding seats on the opposite sides. The screw is screwed on the inner wall of the thread groove.

[0011] By adopting the above technical solution, through the arrangement of the sliding rods on the fixing frame, it is convenient to limit the sliding track of the sliding seat. When the screw rotates, it directly drives the sliding seat and the limit post to move, so as to facilitate the quick disassembly and assembly of the base in the mounting seat.

[0012] The two inner walls on both sides of the installation cavity are rotatably connected with the same worm, and the worm and the worm wheel are meshed with each other.

[0013] By adopting the above technical solution, through the opening of the installation cavity, it is convenient to rotate the worm. When the worm rotates, it is convenient to directly drive the worm wheel to rotate, and then it is convenient to drive the two screws to rotate.

[0014] A circular groove is formed on the outer wall of one side of the base, and a rotating part is rotatably connected to the inner wall of the circular groove. One end of the transmission shaft of the rotating part is fixedly connected to the worm, and a sealing cover is clamped on the inner wall of the circular groove.

[0015] By adopting the above technical solution, through the setting of the circular groove, it is convenient to hide and install the rotating part. When the rotating part rotates, it is convenient to directly drive the worm to rotate. When the worm rotates, it is convenient to directly drive the worm wheel to rotate. The setting of the sealing cover is convenient to seal the circular groove, and thus it is convenient to protect the rotating part.

[0016] An installation groove is formed on the outer wall of the bottom of the base, and a pressing seat is slidably connected to the inner wall of the installation groove.

[0017] By adopting the above technical solution, through the opening of the installation groove, it is convenient to slidably install the pressing seat.

[0018] A plurality of springs are fixedly connected between the pressing seat and the inner wall of the top of the installation groove.

[0019] By adopting the above technical solution, the springs in the base are convenient to support the pressing seat.

[0020] Ridge grooves are formed on the inner walls of both sides of the mounting seat, and the limit posts are inserted into the inner walls of the ridge grooves.

[0021] By adopting the above technical solution, through the ridge grooves on the mounting seat, it is convenient to cooperate with the limit posts to insert into them. When the limit posts are inserted into the ridge grooves, it is convenient to fix the base in the mounting seat.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. The present application solves the problem that existing dentures are inconvenient for quick disassembly and assembly by providing a mounting base and a denture assembly on the gum. The base in the denture assembly facilitates the cooperation with the mounting base, enabling quick disassembly and assembly of the denture assembly.

[0024] 2. The present application fixes the denture on the gum by arranging two adjustable limit posts in the base. When the worm drives the worm wheel to drive the screw to rotate, it is convenient to directly drive the limit posts to move, thus facilitating the quick disassembly and assembly of the denture. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is a schematic diagram of the overall structure of a removable denture according to an embodiment of the present application;

[0026] Figure 2 FIG. is a schematic diagram mainly showing the gum structure according to an embodiment of the present application;

[0027] Figure 3 FIG. is a schematic diagram mainly showing the structure of the denture assembly according to an embodiment of the present application;

[0028] Figure 4 FIG. is a schematic diagram mainly showing the sectional structure of the base according to an embodiment of the present application;

[0029] Reference numerals: 1, gum; 2, mounting base; 3, denture assembly; 4, closing cover; 5, rib groove; 6, base; 7, denture body; 8, rotating part; 9, limit post; 10, mounting cavity; 11, screw; 12, fixing bracket; 13, worm; 14, sliding seat; 15, worm wheel; 16, mounting groove; 17, spring; 18, pressing seat. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following further Figures 1-4 describes the present application in detail with reference to the attached

[0031] An embodiment of the present application discloses a removable denture that is easy to disassemble.

[0032] Referring to Figures 1-3 , a removable denture that is easy to disassemble includes a gum 1 and a denture assembly 3 mounted on the gum 1. A mounting base 2 is embedded in the gum 1. The mounting base 2 has a U-shaped structure, and the denture assembly 3 and the mounting base 2 are installed in cooperation with each other;

[0033] Referring to Figures 3-4 , the denture assembly 3 is installed in the mounting base 2. The denture assembly 3 includes a base 6, and a denture body 7 is fixedly connected to the outer wall of the top of the base 6. The base 6 facilitates the installation and fixation of the denture body 7;

[0034] An installation cavity 10 is formed inside the base 6, and edge openings are formed on both inner walls of the installation cavity 10. Limiting posts 9 are slidably connected to the inner walls of the two edge openings. Two symmetrically arranged fixing frames 12 are fixedly connected to the inner wall of the installation cavity 10, and screw rods 11 are rotatably connected between the two fixing frames 12 and the inner wall of the installation cavity 10. A same worm gear 15 is rotatably connected between the two fixing frames 12, and the transmission shaft of the worm gear 15 is connected to the two screw rods 11. Two slide rods are fixedly connected between the two fixing frames 12 and the inner wall of the installation cavity 10. The outer walls of the four slide rods are respectively slidably connected with two sliding seats 14. The slide rods are arranged to facilitate restricting the sliding track of the sliding seats 14. The two sliding seats 14 are respectively fixedly connected to the two limiting posts 9. Thread grooves extending into the limiting posts 9 are formed on the outer walls of the opposite sides of the two sliding seats 14. The screw rods 11 are screwed on the inner walls of the thread grooves. A same worm 13 is rotatably connected to the inner walls of both sides of the installation cavity 10, and the worm 13 meshes with the worm gear 15. A circular groove is formed on the outer wall of one side of the base 6, and a rotating part 8 is rotatably connected to the inner wall of the circular groove. One end of the transmission shaft of the rotating part 8 is fixedly connected to the worm 13. A closing cover 4 is clamped on the inner wall of the circular groove;

[0035] During use, the circular groove facilitates the hidden installation of the rotating part 8. When the rotating part 8 rotates, it can directly drive the worm 13 to rotate. When the worm 13 rotates, it can directly drive the worm gear 15 to rotate. The closing cover 4 is arranged to facilitate closing the circular groove, thereby facilitating the protection of the rotating part 8. When the worm 13 rotates, it can directly drive the worm gear 15 to rotate, thereby facilitating driving the two screw rods 11 to rotate. When the screw rods 11 rotate, they directly drive the sliding seats 14 and the limiting posts 9 to move, so as to facilitate the quick disassembly and assembly of the base 6 in the mounting seat 2.

[0036] Refer to Figure 4 An installation groove 16 is formed on the outer wall of the bottom of the base 6 of the fixed dental prosthesis body 7, and a pressing seat 18 is slidably connected to the inner wall of the installation groove 16. A plurality of springs 17 are fixedly connected between the pressing seat 18 and the inner wall of the top of the installation groove 16. The springs 17 in the base 6 facilitate supporting the pressing seat 18. When the base 6 is installed, the pressing seat 18 is pressed against the mounting seat 2 under the action of the springs 17. Edge grooves 5 are formed on the inner walls of both sides of the mounting seat 2, and the limiting posts 9 are inserted into the inner walls of the edge grooves 5. Inserting the limiting posts 9 into the edge grooves 5 facilitates fixing the base 6 in the mounting seat 2.

[0037] The implementation principle of a removable denture according to an embodiment of the present application is as follows: When in use and when the denture needs to be installed, first fix the mounting base 2 to the gum in cooperation with the teeth, and then install the denture body 7 on the mounting base 2 through the base 6. During installation, the base 6 is inserted into the mounting base 2 and the base 6 is pressed down at the same time. Then, the rotating part 8 is driven to rotate by a socket wrench. When the rotating part 8 rotates, it directly drives the worm 13 to rotate. When the worm 13 rotates, it directly drives the worm gear 15 to rotate. When the worm gear 15 rotates, it directly drives the two screw rods 11 to rotate. When the screw rods 11 rotate, they directly drive the two sliding seats 14 to move towards or away from each other. When the two sliding seats 14 move away from each other, they directly drive the two limiting columns 9 to be inserted into the rib grooves 5, thereby facilitating the installation of the denture body 7.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A removable denture that is easy to disassemble, comprising a dental alveolus (1) and a denture assembly (3) mounted on the dental alveolus (1), characterized in that: A groove is formed on the outer wall of one side of the gum bed (1), and a mounting seat (2) is installed on the inner wall of the groove. The mounting seat (2) is of a U-shaped structure. The denture assembly (3) is installed in the mounting seat (2). The denture assembly (3) includes a base (6), and a denture body (7) is fixedly connected to the outer wall of the top of the base (6). An installation cavity (10) is formed inside the base (6), and chamfered openings are formed on the inner walls of both sides of the installation cavity (10). Limited position columns (9) are slidably connected to the inner walls of the two chamfered openings respectively.

2. The removable partial denture according to claim 1, characterized in that: Two symmetrically arranged fixing frames (12) are fixedly connected to the inner wall of the installation cavity (10), and screw rods (11) are rotatably connected between the two fixing frames (12) and the inner wall of the installation cavity (10). A same worm gear (15) is rotatably connected between the two fixing frames (12), and the transmission shaft of the worm gear (15) is connected to the two screw rods (11).

3. The removable partial denture according to claim 2, wherein: Two slide bars are fixedly connected between the two fixing frames (12) and the inner wall of the installation cavity (10). The outer walls of the four slide bars are respectively slidably connected with two sliding seats (14). The two sliding seats (14) are respectively fixedly connected to the two limited position columns (9). Thread grooves extending into the limited position columns (9) are formed on the outer walls of the opposite sides of the two sliding seats (14), and the screw rods (11) are screwed on the inner walls of the thread grooves.

4. The removable denture according to claim 3, characterized in that: A same worm (13) is rotatably connected between the inner walls of both sides of the installation cavity (10), and the worm (13) meshes with the worm gear (15).

5. The removable partial denture according to claim 4, characterized in that: A circular groove is formed on the outer wall of one side of the base (6), and a rotating part (8) is rotatably connected to the inner wall of the circular groove. One end of the transmission shaft of the rotating part (8) is fixedly connected to the worm (13), and a closing cover (4) is clamped on the inner wall of the circular groove.

6. The removable partial denture according to claim 5, characterized in that: An installation groove (16) is formed on the outer wall of the bottom of the base (6), and a pressing seat (18) is slidably connected to the inner wall of the installation groove (16).

7. The removable partial denture according to claim 6, characterized in that: A plurality of springs (17) are fixedly connected between the pressing seat (18) and the inner wall of the top of the installation groove (16).

8. The removable partial denture according to claim 7, wherein: Rib grooves (5) are formed on the inner walls of both sides of the mounting seat (2), and the limited position columns (9) are inserted into the inner walls of the rib grooves (5).