Removable denture crown replacement device

Abstract

The utility model provides a removable denture crown replacement device, including denture body, the top of denture body is installed with the dental crown through the replacement mechanism, the top fixed setting of denture body has the insertion platform, the bottom inside of dental crown is opened the recess, through the rotation adjustment of rotating rod, conveniently screw down adjustment is carried out to screw rod, so that screw rod can extrude the down pressure rod, and the down pressure rod is extruded to the moving link through the inclined plane, and the moving link drives the insertion rod and inserts the inside of limit slot, conveniently fixed between denture body and dental crown, conveniently fixed installation is carried out to dental crown, conveniently limit rotating rod through the screwing action between screw rod and dental crown, can prevent rotating rod and go up and down and remove, and through rotating rod, screw rod to the down pressure rod, moving frame is limited, can improve the stability between dental crown and denture body, avoid the situation that dental crown is loose or falls off, and the practicality is high.

Description

Technical Field

[0001] This utility model relates to the field of removable denture crown replacement technology, specifically a removable denture crown replacement device. Background Technology

[0002] Removable dentures utilize natural teeth, the mucosa and bone tissue under the denture base for support, and rely on the denture retainers and the base for fixation to restore the shape and function of the teeth.

[0003] Chinese utility model patent CN215994327U discloses a novel removable denture, comprising a body, which includes a tooth root and a crown that are detachably connected. The tooth root is slidably connected to an abutment. The crown has a fixing groove that fits into the abutment. One end of the abutment extends into the tooth root, and the other end extends into the fixing groove. The tooth root is equipped with a trigger to disengage the abutment from the fixing groove. The tooth root also has a reset mechanism to keep one end of the abutment embedded in the fixing groove. This technology allows for the removal and installation of the crown using a needle-like object; however, the sliding rod lacks a limit, making it prone to crown loosening and detachment during daily use. Furthermore, food debris can enter the crown and compress the sliding rod, affecting the crown's usability and resulting in low practicality.

[0004] Therefore, this utility model provides a device for replacing the crown of a removable denture. Utility Model Content

[0005] To address the shortcomings of existing technologies, the purpose of this invention is to provide a removable denture crown replacement device to solve the problems mentioned in the background. This invention facilitates the limiting of the rotating rod through the screw connection between the screw and the crown, preventing the rotating rod from moving up or down. At the same time, the rotating rod limits the lowering rod and the moving frame, which can improve the stability between the crown and the denture body and avoid the crown from becoming loose or falling off. It is highly practical.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a removable denture crown replacement device, comprising a denture body, a crown being installed on the top of the denture body via a replacement mechanism, a mounting platform being fixedly provided on the top of the denture body, a groove being formed inside the bottom end of the crown, a limiting mechanism being provided inside the mounting platform, the limiting mechanism comprising a pressing rod and a moving frame, the replacement mechanism comprising a rotating rod, a screw being fixedly provided at the bottom end of the rotating rod, the screw being screwed into the top end of the groove, and the screw being positioned above the pressing rod.

[0007] Furthermore, a sealing sleeve is fitted on the outer wall of the bottom end of the insertion platform, the insertion platform is inserted into the inside of the groove, and a sealing ring is provided at the top of the rotating rod corresponding to the inside of the crown.

[0008] Furthermore, the top of the plug-in platform is provided with an installation groove, and the movable frame is symmetrically and slidably installed on both sides of the installation groove.

[0009] Furthermore, the movable frame is L-shaped and includes a movable rod and a plug rod.

[0010] Furthermore, a spring is fixedly installed between the bottom end of the movable rod and the inner wall of the mounting groove, and the insertion rod is fixedly installed on one side of the top end of the movable rod.

[0011] Furthermore, the pressure rod is T-shaped and is slidably mounted inside the top of the mounting groove.

[0012] Furthermore, the top end of the moving rod is provided with an inclined surface, and the bottom ends of the pressing rod are in contact with the inclined surface.

[0013] Furthermore, limiting grooves are formed on both sides of the inner wall of the groove at the positions corresponding to the insertion rod, and the insertion rod is inserted and installed inside the limiting groove.

[0014] The beneficial effects of this utility model are as follows: This utility model provides a removable denture crown replacement device. By adjusting the rotation of the rotating rod, the screw can be easily lowered and connected, allowing the screw to compress the lowering rod. The lowering rod applies pressure to the moving rod via an inclined surface. The moving rod drives the insertion rod and inserts it into the limiting groove, facilitating the fixation between the denture body and the crown, and making the crown easy to install. The screw connection between the screw and the crown allows for easy limiting of the rotating rod, preventing it from moving up or down. Simultaneously, the rotating rod and screw limit the lowering rod and the moving frame, improving the stability between the crown and the denture body and preventing the crown from loosening or falling off. It is highly practical. By rotating the rotating rod and screw in opposite directions, the moving rod moves in the opposite direction under the spring force, facilitating the removal and replacement of the crown. Attached Figure Description

[0015] Figure 1 This is a structural diagram of a removable denture crown replacement device according to the present invention;

[0016] Figure 2 This is a front sectional view of a removable denture crown replacement device according to the present invention;

[0017] Figure 3 This utility model relates to a device for replacing the crown of a removable denture. Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This is a structural diagram of the denture body of a removable denture crown replacement device according to the present invention;

[0019] Figure 5 This is a structural diagram of the movable frame of a removable denture crown replacement device according to the present invention;

[0020] In the diagram: 1. Denture body; 2. Crown; 3. Replacement mechanism; 4. Insertion platform; 5. Sealing sleeve; 6. Rotating rod; 7. Sealing ring; 8. Screw; 9. Pressing rod; 10. Moving frame; 11. Spring; 12. Limiting groove; 13. Moving rod; 14. Insertion rod. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please see Figures 1 to 5 This utility model provides a technical solution: a removable denture crown replacement device, including a denture body 1, a crown 2 installed on the top of the denture body 1 through a replacement mechanism 3, an insertion platform 4 fixedly provided on the top of the denture body 1, a groove inside the bottom end of the crown 2, a limiting mechanism inside the insertion platform 4, the limiting mechanism including a pressing rod 9 and a moving frame 10, the replacement mechanism 3 including a rotating rod 6, a screw 8 fixedly provided at the bottom end of the rotating rod 6, the screw 8 being screwed into the top end of the groove, the screw 8 being positioned above the pressing rod 9, the screw connection between the screw 8 and the crown 2 facilitating the limiting of the rotating rod 6, facilitating the sealing of the top end of the crown 2 by the rotating rod 6, preventing material residue from affecting the rotation of the rotating rod 6, and limiting the insertion rod 14 by the rotating rod 6, pressing rod 9 and moving rod 13, thereby improving the stability between the crown 2 and the denture body 1, preventing the crown 2 from loosening and falling off, and having high practicality.

[0023] In this embodiment, a sealing sleeve 5 is fitted on the outer wall of the bottom end of the insertion platform 4. The insertion platform 4 is inserted into the inside of the groove. A sealing ring 7 is provided at the top of the rotating rod 6 corresponding to the inside of the crown 2. The sealing sleeve 5 can improve the sealing between the crown 2 and the denture body 1. The sealing ring 7 can improve the sealing between the rotating rod 6 and the crown 2, preventing physical debris from entering between the crown 2 and the denture body 1 and affecting the disassembly of the crown 2.

[0024] In this embodiment, the top of the insertion platform 4 has an internal mounting groove. The movable frame 10 is symmetrically and slidably mounted on both sides of the mounting groove. The movable frame 10 is L-shaped and includes a movable rod 13 and a plug rod 14. A spring 11 is fixedly installed between the bottom end of the movable rod 13 and the inner wall of the mounting groove. The plug rod 14 is fixedly installed on one side of the top of the movable rod 13. The pressing rod 9 is T-shaped and is slidably mounted inside the top of the mounting groove. The top of the movable rod 13 is provided with... The bottom two ends of the pressure rod 9 are in contact with the inclined surface. Limiting grooves 12 are opened on both sides of the inner wall of the groove corresponding to the position of the insertion rod 14. The insertion rod 14 is inserted and installed inside the limiting groove 12. When the screw 8 is screwed down, it can pressurize the pressure rod 9. The pressure rod 9 is squeezed by the inclined surface of the moving rod 13. The moving rod 13 moves to both sides and compresses the spring 11. At the same time, the moving rod 13 drives the insertion rod 14 to be inserted into the limiting groove 12, which facilitates the fixation between the crown 2 and the denture body 1 and can improve the stability of the crown 2 and the denture body 1.

[0025] When using this removable denture crown replacement device, a slot is provided at the top of the rotating rod 6. When the crown 2 needs to be replaced, a flat-bladed tool is used to clean the debris inside the slot. At the same time, the rotating rod 6 is rotated and adjusted using the flat-bladed tool and the slot. The rotating rod 6 drives the screw 8 to move. The rotating rod 6 moves upward under the action of the screw 8, while the pressing rod 9 moves upward under the elastic force of the moving rod 13 and the spring 11. The moving rod 13 drives the insertion rod 14 to move into the insertion platform 4 under the elastic force of the spring 11. One end of the insertion rod 14 moves out from the inside of the limiting groove 12, which facilitates the separation of the crown 2 from the denture body 1 and facilitates the disassembly of the crown 2. A brand new crown 2 of the same shape is fitted onto the top of the insertion platform 4. Using a tool, the slotted tooth and the rotating rod 6 are rotated in the opposite direction. The rotating rod 6 drives the screw 8 to descend and press down the pressing rod 9. The pressing rod 9 presses against the moving rod 13 through the inclined surface. The moving rod 13 drives the insertion rod 14 to be inserted into the limiting groove 12, which facilitates the installation of the brand new crown 2 and the denture body 1. The screwed connection between the screw 8 and the crown 2 facilitates the limiting of the rotating rod 6, which can prevent the rotating rod 6 from moving up and down and can also improve the stability between the crown 2 and the denture body 1, avoiding the crown 2 from loosening or falling off. It is highly practical and completes the replacement of the crown 2.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A removable denture crown replacement device, comprising a denture body (1), characterized in that, The denture body (1) has a crown (2) installed at the top via a replacement mechanism (3). The denture body (1) has a fixed insertion platform (4) at the top. The crown (2) has a groove inside the bottom end. The insertion platform (4) has a limiting mechanism inside. The limiting mechanism includes a pressing rod (9) and a moving frame (10). The replacement mechanism (3) includes a rotating rod (6). The bottom end of the rotating rod (6) is fixedly provided with a screw (8). The screw (8) is screwed into the top end of the groove. The screw (8) is located above the pressing rod (9).

2. The removable denture crown replacement device according to claim 1, characterized in that: A sealing sleeve (5) is fitted on the outer wall of the bottom end of the insertion platform (4). The insertion platform (4) is inserted into the inside of the groove. A sealing ring (7) is provided at the top of the rotating rod (6) corresponding to the inside of the crown (2).

3. The removable denture crown replacement device according to claim 1, characterized in that: The top of the plug-in platform (4) has an internal mounting groove, and the movable frame (10) is symmetrically and slidably mounted on both sides of the mounting groove.

4. A removable denture crown replacement device according to claim 3, characterized in that: The movable frame (10) is L-shaped and includes a movable rod (13) and a plug rod (14).

5. A removable denture crown replacement device according to claim 4, characterized in that: A spring (11) is fixedly installed between the bottom end of the moving rod (13) and the inner wall of the mounting groove, and the insertion rod (14) is fixedly installed on one side of the top end of the moving rod (13).

6. A removable denture crown replacement device according to claim 5, characterized in that: The shape of the pressure rod (9) is "T" shaped, and the pressure rod (9) is slidably installed inside the top of the mounting groove.

7. A removable denture crown replacement device according to claim 6, characterized in that: The top end of the moving rod (13) is provided with an inclined surface, and the bottom ends of the pressing rod (9) are in contact with the inclined surface.

8. A removable denture crown replacement device according to claim 7, characterized in that: Limiting grooves (12) are provided on both sides of the inner wall of the groove corresponding to the position of the insertion rod (14), and the insertion rod (14) is inserted and installed inside the limiting groove (12).

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