Removable partial denture

Abstract

The utility model relates to the field of denture, and disclose a kind of removable partial denture, including base plate, the both sides of base plate are provided with base plate arc-shaped fixing frame, the top of base plate is provided with first denture, one end of first denture is provided with second denture, the top of base plate is symmetrically provided with notch, this removable partial denture, first denture bottom mounting block is rotated ninety degrees after entering installation rotating groove through notch, cooperate with ball in process, move the lifting seat in groove and descend compression spring, until the mounting block is parallel with base plate, cooperate with the elastic ball of spring and enter the clamping groove, and second denture is installed in the top of base plate, tighten bolt and limit connecting plate in groove, utilize connecting rod and fix lifting seat position, to ensure that ball is always located in clamping groove, to fix the position of denture, otherwise it can be disassembled, solve the problem that existing denture is difficult to install conveniently and stably.

Description

Technical Field

[0001] This utility model relates to the field of dental prosthesis technology, specifically a removable partial denture. Background Technology

[0002] Dentures are what people commonly refer to as "false teeth." Just as "prosthetic legs" or "prosthetic limbs" are called "prosthetics," "dentures" refer to teeth that fulfill their "duties" for humans. In medicine, it is a general term for restorations made after partial or complete loss of the upper and lower jaw teeth.

[0003] Patent CN220876968U discloses a removable partial denture structure, which includes a base, with arc-shaped fixing frames installed on both sides of the base, and denture devices provided at both ends of the top of the base. The devices move the first arc-shaped retaining ring and the second arc-shaped retaining ring downward according to the surfaces of the inner and outer retaining rings by pressing the denture head, and stop when they reach the bottom of the inner and outer retaining rings.

[0004] However, the existing device involves inserting the connecting post at the bottom of the denture into the limiting ring, and then using the inner and outer retaining rings to hold the denture post in place. This direct snap-fit ​​method cannot guarantee the stability of the denture on top of the denture base. Furthermore, after repeated rotation and insertion / removal, the outer ring arc spring and the inner and outer retaining rings are easily worn, thus affecting the subsequent installation of the denture. Therefore, a removable partial denture is proposed to solve the problem of the difficulty in convenient and stable installation of existing dentures. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the shortcomings of the existing technology, this utility model provides a removable partial denture, which solves the above-mentioned problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a removable partial denture, comprising a base, with arc-shaped fixing frames on both sides of the base, a first denture on the top of the base, a second denture at one end of the first denture, symmetrical slots on the top of the base, connecting posts fixedly connected to the bottoms of both the first and second dentures, mounting blocks fixedly connected to the bottoms of the connecting posts, mounting grooves on the inner walls of the slots, symmetrical moving grooves on the bottoms of the mounting grooves, lifting seats and springs within the inner cavities of the moving grooves, ball bearings rotatably connected to the tops of the lifting seats, symmetrical slots on the bottoms of the mounting blocks, and grooves on the bottoms of the base, with connecting plates within the inner cavities of the grooves, connecting rods fixedly connected to the tops of the connecting plates, and bolts penetrating the bottoms of the connecting plates.

[0009] Preferably, the mounting slots at the bottom of the first and second dentures are centrally symmetrically distributed, and the mounting block can only reciprocate within the inner cavity of the mounting slot by 90 degrees.

[0010] Preferably, the top and bottom of the spring are connected to the lifting seat and the moving groove, respectively, and when the mounting block is rotated to be parallel to the base, the top of the ball is located in the inner cavity of the slot.

[0011] Preferably, the connecting rod extends through the movable groove and is slidably connected to the base; the bolt extends through the inner wall of the bottom of the base and is threaded; when the connecting plate is located in the inner cavity of the groove, the spring is in a compressed state and the lifting seat is located in the inner cavity of the movable groove.

[0012] Preferably, the top of the base is provided with a sealing groove, the sealing groove is interconnected with the slot opening and the inner cavity is provided with a sealing plate, the sealing plate is located on the outer ring of the connecting post and is fixedly connected to the first denture or the second denture.

[0013] Preferably, a limiting groove is formed at the bottom of the inner cavity of the mounting slot, a limiting pad is provided in the inner cavity of the limiting groove, the limiting pad is penetrated by the moving groove, and the limiting pad is made of elastic rubber.

[0014] (III) Beneficial Effects

[0015] 1. This removable partial denture involves inserting the mounting block at the bottom of the first denture through the slot into the mounting groove and rotating it 90 degrees. During this process, the ball bearings move the lifting seat in the groove downwards to compress the spring until the mounting block is parallel to the base. Then, the ball bearings, propelled by the spring, enter the slot. Similarly, after installing the second denture on top of the base, the bolts are tightened to limit the connecting plate in the groove. The position of the lifting seat is fixed using the connecting rod, thus ensuring that the ball bearings are always in the slot, thereby fixing the denture position. Conversely, it can be disassembled, solving the problem of existing dentures being difficult to install conveniently and stably.

[0016] 2. In this removable partial denture, during the installation of the denture into the base, the sealing plate will enter the sealing groove to seal the groove and increase the contact area between the denture and the base, thereby improving the stability of the denture after installation. Attached Figure Description

[0017] Figure 1 This is a structural diagram of the present utility model;

[0018] Figure 2 This is a structural diagram of the present utility model;

[0019] Figure 3 This is a cross-sectional view of the structural base of this utility model;

[0020] Figure 4 This is a cross-sectional view of the structure of this utility model.

[0021] In the diagram: 1. Denture base; 2. Arc-shaped fixing frame for denture base; 3. First denture; 4. Second denture; 5. Groove; 6. Connecting post; 7. Mounting block; 8. Mounting slot; 9. Moving slot; 10. Lifting seat; 11. Ball bearing; 12. Spring; 13. Slot; 14. Groove; 15. Connecting plate; 16. Connecting rod; 17. Bolt; 18. Sealing groove; 19. Sealing plate; 20. Limiting groove; 21. Limiting pad. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example: Please refer to Figure 1-4 A removable partial denture includes a base 1, with arc-shaped fixing frames 2 on both sides of the base 1, a first denture 3 on the top of the base 1, a second denture 4 at one end of the first denture 3, symmetrical slots 5 on the top of the base 1, connecting posts 6 fixedly connected to the bottom of both the first denture 3 and the second denture 4, and mounting blocks 7 fixedly connected to the bottom of the connecting posts 6, mounting grooves 8 on the inner wall of the slots 5, symmetrical moving grooves 9 on the bottom of the mounting grooves 8, a lifting seat 10 and a spring 12 in the inner cavity of the moving grooves 9, a ball bearing 11 rotatably connected to the top of the lifting seat 10, symmetrical slots 13 on the bottom of the mounting blocks 7, a groove 14 on the bottom of the base 1, a connecting plate 15 in the inner cavity of the groove 14, a connecting rod 16 fixedly connected to the top of the connecting plate 15, and a bolt 17 penetrating through the bottom of the connecting plate 15.

[0024] Furthermore, the mounting slots 8 at the bottom of the first denture 3 and the second denture 4 are centrally symmetrically distributed, and the mounting block 7 can only rotate back and forth ninety degrees within the inner cavity of the mounting slot 8.

[0025] Furthermore, the top and bottom of the spring 12 are connected to the lifting seat 10 and the moving groove 9 respectively. When the mounting block 7 is rotated to be parallel to the base 1, the top of the ball 11 is located in the inner cavity of the slot 13.

[0026] Furthermore, the connecting rod 16 extends through the moving groove 9 and is slidably connected to the base 1, the bolt 17 extends through the bottom inner wall of the base 1 and is threaded, and when the connecting plate 15 is located in the inner cavity of the groove 14, the spring 12 is in a compressed state and the lifting seat 10 is located in the inner cavity of the moving groove 9.

[0027] Furthermore, a sealing groove 18 is provided on the top of the base 1. The sealing groove 18 is interconnected with the slot 5 and a sealing plate 19 is provided in the inner cavity. The sealing plate 19 is located on the outer ring of the connecting post 6 and is fixedly connected to the first denture 3 or the second denture 4. During the process of installing the denture in the base 1, the sealing plate 19 will enter the sealing groove 18 to seal the slot 5 and increase the contact area between the denture and the base 1, thereby improving the stability of the denture after installation.

[0028] Furthermore, a limiting groove 20 is provided at the bottom of the inner cavity of the mounting slot 8, and a limiting pad 21 is provided in the inner cavity of the limiting groove 20. The limiting pad 21 is penetrated by the moving groove 9. The limiting pad 21 is made of elastic rubber. During the process of moving the mounting block 7 at the bottom of the denture out of the mounting slot 8 and rotating it, the limiting pad 21 in the limiting groove 20 will squeeze the mounting block 7 to form a compressive force, thereby forming a compressive force between the mounting block 7 and the mounting slot 8, thereby further improving the stability of the denture after installation.

[0029] Working principle: When using this removable partial denture, the mounting block 7 at the bottom of the first denture 3 passes through the slot 5 into the mounting groove 8 and is rotated 90 degrees. During this process, the lifting seat 10 in the moving groove 9 moves down in coordination with the ball bearing 11, compressing the spring 12 until the mounting block 7 is parallel to the base 1. Then, the elastic ball bearing 11, in coordination with the spring 12, enters the retaining groove 13. Similarly, after the second denture 4 is installed on top of the base 1, the bolt 17 is tightened to limit the connecting plate 15 in the groove 14. The position of the lifting seat 10 is fixed by the connecting rod 16, thereby ensuring that the ball bearing 11 is always in the retaining groove 13, thus repositioning the denture. The position is fixed, while the position is detachable, which solves the problem of the difficulty in convenient and stable installation of existing dentures. During the process of installing the denture into the base 1, the sealing plate 19 will enter the sealing groove 18 to seal the groove 5 and increase the contact area between the denture and the base 1, thereby improving the stability of the denture after installation. During the process of moving the mounting block 7 at the bottom of the denture out of the mounting slot 8 and rotating it, the limiting pad 21 in the limiting groove 20 will squeeze the mounting block 7 to form a compressive force, thereby forming a compressive force between the mounting block 7 and the mounting slot 8, thereby further improving the stability of the denture after installation.

[0030] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A removable partial denture, comprising a base (1), characterized in that: The base (1) is provided with arc-shaped base fixing brackets (2) on both sides. The base (1) is provided with a first denture (3) on the top. A second denture (4) is provided at one end of the first denture (3). The base (1) is provided with symmetrical slots (5) on the top. The bottom of the first denture (3) and the second denture (4) are both fixedly connected to a connecting post (6). The bottom of the connecting post (6) is fixedly connected to a mounting block (7). The inner wall of the slot (5) is provided with a mounting groove (8). The bottom of the mounting groove (8) is opposite to... The mounting block (7) has a movable groove (9), and the inner cavity of the movable groove (9) is provided with a lifting seat (10) and a spring (12). The top of the lifting seat (10) is rotatably connected with a ball (11). The bottom of the mounting block (7) is symmetrically provided with a slot (13). The bottom of the base (1) is provided with a groove (14). The inner cavity of the groove (14) is provided with a connecting plate (15). The top of the connecting plate (15) is fixedly connected with a connecting rod (16). The bottom of the connecting plate (15) is provided with a bolt (17).

2. A removable partial denture according to claim 1, characterized in that: The mounting slots (8) at the bottom of the first denture (3) and the second denture (4) are centrally symmetrically distributed, and the mounting block (7) can only rotate back and forth ninety degrees in the inner cavity of the mounting slot (8).

3. A removable partial denture according to claim 1, characterized in that: The top and bottom of the spring (12) are connected to the lifting seat (10) and the moving groove (9) respectively. When the mounting block (7) is rotated to be parallel to the base (1), the top of the ball (11) is located in the inner cavity of the slot (13).

4. A removable partial denture according to claim 1, characterized in that: The connecting rod (16) extends through the moving groove (9) and is slidably connected to the base (1). The bolt (17) extends through the bottom inner wall of the base (1) and is threaded. When the connecting plate (15) is located in the inner cavity of the groove (14), the spring (12) is in a compressed state and the lifting seat (10) is located in the inner cavity of the moving groove (9).

5. A removable partial denture according to claim 1, characterized in that: The base (1) has a sealing groove (18) on its top. The sealing groove (18) is interconnected with the slot (5) and has a sealing plate (19) in its inner cavity. The sealing plate (19) is located on the outer ring of the connecting post (6) and is fixedly connected to the first denture (3) or the second denture (4).

6. A removable partial denture according to claim 1, characterized in that: The bottom of the inner cavity of the mounting slot (8) is provided with a limiting groove (20), and the inner cavity of the limiting groove (20) is provided with a limiting pad (21). The limiting pad (21) is penetrated by the moving groove (9), and the limiting pad (21) is made of elastic rubber.

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