Denture tray

By improving the structural design of the dental tray and using a combination of PVC material and snap-fit ​​positioning grooves, the problem of insufficient pressure bearing capacity of the dental tray was solved, thus achieving stability and accuracy in the impression process.

CN223586062UActive Publication Date: 2025-11-25SHANGHAI HESHENG ZHILUE MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202422738247.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-25
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

If the dental tray has insufficient pressure-bearing capacity during the impression process, it is easy for the connecting block to break at the easy-break groove, affecting the impression accuracy.

Method used

The components, including the side brackets, support rods, fixed handles, positioning rings, and bottom plate, are made of PVC material. Through the design of snap-fit ​​and positioning grooves, the structural strength and pressure-bearing capacity are improved, and breakage is prevented.

Benefits of technology

The structural strength and pressure-bearing capacity of the dental tray have been improved, preventing breakage during the impression process and ensuring impression accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dental equipment, in particular to a denture tray which comprises a side bracket, a plurality of groups of supporting rods are fixedly connected to the bottom of the side bracket, a fixed handle is fixedly connected to the middle of the outer side surface of the side bracket, and a bottom support module is arranged on the lower side of the side bracket. The bottom support module comprises a first positioning ring, a second positioning ring, a clamping groove, a positioning groove, a bottom support plate, a clamping plate, a positioning block and a connecting plate, the first positioning ring is fixedly connected with the lower end of the outer side surface of the side bracket, and the second positioning ring is fixedly connected with the lower end of the inner side surface of the side bracket; the positioning blocks are clamped in the positioning grooves to fix the bottom supporting plate, the pressure bearing capacity of the bottom supporting plate in the vertical direction is improved, breakage in the impression process is avoided, the connecting plate is pulled outwards, the positioning blocks are separated from the positioning grooves, then the bottom supporting plate can be taken down conveniently and rapidly, the bottom of the tray can be opened conveniently, and meanwhile the impression effect is improved. The overall structural strength of the tray is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dental equipment technical field, concretely relates to a dental tray. BACKGROUND

[0002] In modern oral clinical repair work, doctors use disposable dental trays to take dental impressions of implant patients, and most of the current oral implant repair models are still made by the traditional dental tray window impression method.

[0003] Among them, the announcement number CN213697285U discloses an improved implant dental tray in the technical field of dental tray, including tray body frame and tray handle, the tray handle is fixed on the outside of the middle position of the tray body frame, the shape of the tray body frame is sector, a plurality of dental tray parts are evenly arranged on the tray body frame, there is a gap between adjacent dental tray parts, the dental tray part is also provided with a vent, the dental tray part and the tray body frame are connected through a connecting block, and the connecting block is provided with a breakable groove; Compared with the prior art, the utility model has the beneficial effects that the tray body frame does not need to be perforated by instruments, the perforation can be completed directly by hand, it is not limited by instruments and site, it is very convenient and safe, and the use efficiency is higher.

[0004] The surface of the connecting block between the dental tray part and the tray frame in the device is provided with a breakable groove, which is convenient for breaking and taking down the dental tray part, but a certain pressure needs to be applied during the impression process of the dental arch, which causes the dental tray part to bear a large pressure, and when the pressure is too large, the breakable groove in the connecting block is prone to breakage, thereby reducing the precision of the impression.

[0005] Therefore, it is necessary to invent a dental tray to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a dental tray to solve the problem that the dental tray part has insufficient pressure bearing capacity, and when the pressure is too large, the breakable groove in the connecting block is prone to breakage, thereby reducing the precision of the impression.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a dental tray, including a side bracket, the bottom of the side bracket is fixedly connected with a plurality of groups of supporting rods, the middle position of the outer surface of the side bracket is fixedly connected with a fixed handle, the lower side of the side bracket is provided with a bottom support module, the bottom support module includes a first positioning ring, a second positioning ring, a clamping groove, a positioning groove, a bottom support plate, a clamping plate, a positioning block and a connecting plate, the first positioning ring is fixedly connected with the lower end of the outer surface of the side bracket, and the second positioning ring is fixedly connected with the lower end of the inner surface of the side bracket.

[0008] The support rod is used for improving the stability of the side bracket and improving the structural strength of the side bracket, the side bracket, the support rod and the bottom supporting plate are combined into a dental tray, the positioning block is clamped in the inside of the positioning groove in the use process, the supporting force of the bottom supporting plate in the vertical direction is improved, the fracture of the impression in the impression process is avoided, the connecting plate is pulled to the outside, the positioning block is separated from the positioning groove, and then the bottom supporting plate is conveniently and quickly taken off.

[0009] Optionally, the side bracket, the support rod, the fixed handle, the first positioning ring, the second positioning ring, the bottom supporting plate, the clamping plate, the positioning block and the connecting plate are all made of PVC material.

[0010] By adopting the above technical scheme, the dental tray made of PVC material has low production cost, and because the PVC material has a certain deformation capacity, the lower end of the clamping plate can rotate around the bottom supporting plate, so that the bottom supporting plate is conveniently disassembled.

[0011] Optionally, a plurality of clamping grooves are formed on the surfaces of the first positioning ring and the second positioning ring, and two positioning grooves are formed on the upper ends of the inner walls of the clamping grooves.

[0012] By adopting the above technical scheme, the side bracket, the support rod, the first positioning ring, the second positioning ring, the clamping groove, the positioning groove and the fixed handle are integrally formed.

[0013] Optionally, the left and right ends of the bottom supporting plate are fixedly connected with clamping plates, and the upper ends of the inner sides of the clamping plates are fixedly connected with two positioning blocks.

[0014] By adopting the above technical scheme, the bottom supporting plate, the clamping plate, the positioning block and the connecting plate are integrally produced and formed.

[0015] Optionally, the clamping plate is clamped and fixed with the clamping groove, and the positioning block is clamped and fixed with the positioning groove.

[0016] By adopting the above technical scheme, the clamping of the clamping plate in the inside of the clamping groove improves the stability of the bottom supporting plate, the clamping of the positioning block in the inside of the positioning groove fixes the bottom supporting plate, and the pressure bearing capacity of the bottom supporting plate is improved.

[0017] Optionally, the connecting plate is fixedly connected with the outer side surfaces of the clamping plates.

[0018] By adopting the above technical scheme, the connecting plate has a certain gap with the side bracket, so that the connecting plate is conveniently rotated to the outside.

[0019] Optionally, a plurality of air permeable holes are formed on the surface of the side bracket.

[0020] Optionally, a plurality of air permeable grooves are formed on the surface of the bottom supporting plate.

[0021] In the above technical solution, the technical effect and advantages provided by the utility model are:

[0022] The utility model discloses a positioning block is clamped in the inside of positioning groove to fix the bottom support plate, and the bearing capacity of bottom support plate in the vertical direction is improved, avoids the fracture in the process of printing mould, and the connecting plate is pulled to the outside, makes positioning block and positioning groove separate, and then the bottom support plate is conveniently and quickly taken down, realizes the opening of tray bottom simultaneously, improves the structural strength of tray whole, solves the problem of insufficient bearing capacity of dental tray, and when the pressure is too big, the fracture of the easy folding groove in connecting block is caused, and then the precision of printing mould is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the whole structure schematic diagram of the utility model;

[0024] Figure 2 It is the side bracket structure schematic diagram of the utility model;

[0025] Figure 3 It is the structure schematic diagram of A in the utility model Figure 2

[0026] Figure 4 It is the bottom support plate structure schematic diagram of the utility model.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, side bracket; 11, air hole; 12, support rod; 13, fixed handle; 2, first positioning ring; 21, second positioning ring; 22, clamping groove; 23, positioning groove; 3, bottom support plate; 31, clamping plate; 32, positioning block; 33, connecting plate; 34, air groove. DETAILED DESCRIPTION

[0029] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the drawings.

[0030] The utility model provides a kind of Figure 1 And Figure 2 ​The tooth tray shown includes a side bracket 1, the bottom of the side bracket 1 is fixedly connected with a plurality of support rods 12, the middle of the outer surface of the side bracket 1 is fixedly connected with a fixed handle 13, the lower side of the side bracket 1 is provided with a bottom support module, the bottom support module includes a first positioning ring 2, a second positioning ring 21, a clamping groove 22, a positioning groove 23, a bottom support plate 3, a clamping plate 31, a positioning block 32 and a connecting plate 33, the side bracket 1, the support rod 12, the fixed handle 13, the first positioning ring 2, the second positioning ring 21, the bottom support plate 3, the clamping plate 31, the positioning block 32 and the connecting plate 33 are all PVC materials, a plurality of air holes 11 are formed in the surface of the side bracket 1, a plurality of air grooves 34 are formed in the surface of the bottom support plate 3, the first positioning ring 2 is fixedly connected with the lower end of the outer surface of the side bracket 1, and the second positioning ring 21 is fixedly connected with the lower end of the inner surface of the side bracket 1.

[0031] Wherein, since the bottom support plate 3 and the clamping plate 31 are PVC materials, the PVC material has a certain elasticity, so that the bottom end of the clamping plate 31 can be rotated around the end of the bottom support plate 3 within a small range, and when the clamping plate 31 is loosened, it will rebound to reset, so that when the tray bottom opening is needed, the clamping plate 31 corresponding to the side of the bottom support plate 3 is turned outward, the positioning block 32 is separated from the positioning groove 23, and the bottom support plate 3 is quickly removed, and damage to the bottom support plate 3 is avoided, which can be recycled after sterilization, reducing resource waste.

[0032] In addition, the side bracket 1, the support rod 12, the first positioning ring 2, the second positioning ring 21, the clamping groove 22, the positioning groove 23 and the fixed handle 13 are integrally formed, which effectively improves the overall structural strength of the tray.

[0033] Referring to Figure 3 and Figure 4 , a plurality of clamping grooves 22 are formed on the surfaces of the first positioning ring 2 and the second positioning ring 21, two positioning grooves 23 are formed on the upper end of the inner wall of the clamping groove 22, the left and right ends of the bottom support plate 3 are fixedly connected with clamping plates 31, the upper end of the inner side of the clamping plate 31 is fixedly connected with two positioning blocks 32, the clamping plate 31 is clamped and fixed with the clamping groove 22, the positioning block 32 is clamped and fixed with the positioning groove 23, and the connecting plate 33 is fixedly connected with the outer surface of the clamping plate 31.

[0034] Specific, in use, first, the carding plate 31 is carded in the inside of the carding groove 22, and the positioning block 32 is carded in the inside of the positioning groove 23, the tray is spliced and fixed, next, the transfer body is placed in the patient's mouth on the implant, the central screw in the transfer body is tightened, then the fixed handle 13 is held and the denture tray is placed in the patient's mouth, the position corresponding to the central screw on the denture tray is found, then the denture tray is taken out, next, the bottom support plate 3 corresponding to the position on the tray is found, the connecting plate 33 is pulled outward with fingers, the carding plate 31 is rotated outward, the positioning block 32 is separated from the positioning groove 23, and then the bottom support plate 3 is separated from the side support frame 1, so that the position corresponding to the central screw of the tray is a window, so that the central screw can be worn out of the tray, then the impression material is placed on the tray, and the tray is placed on the teeth, and when the impression material is completely cured, the central screw is loosened, and the tray and the impression are taken out.

[0035] The utility model discloses the working principle: over the positioning block 32 is carded in the inside of the positioning groove 23 and fixes the bottom support plate 3, improves the bearing capacity of the bottom support plate 3 in the vertical direction simultaneously, avoids the fracture during the impression process, the connecting plate 33 is pulled outward, makes the positioning block 32 and the positioning groove 23 separate, and then the bottom support plate 3 is conveniently taken down, realizes the opening of the tray bottom simultaneously, and improves the structural strength of the tray as a whole.

[0036] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A dental tray comprising a side carrier (1), characterized in that: The bottom of the side bracket (1) is fixedly connected with a plurality of groups of supporting rods (12), the middle position of the outer surface of the side bracket (1) is fixedly connected with a fixed handle (13), the lower side of the side bracket (1) is provided with a bottom support module, and the bottom support module comprises a first positioning ring (2), a second positioning ring (21), a clamping groove (22), a positioning groove (23), a bottom support plate (3), a clamping plate (31), a positioning block (32) and a connecting plate (33).

2. A dental tray according to claim 1, wherein: The side bracket (1), the supporting rod (12), the fixed handle (13), the first positioning ring (2), the second positioning ring (21), the bottom support plate (3), the clamping plate (31), the positioning block (32) and the connecting plate (33) are all made of PVC material.

3. A dental tray according to claim 1, wherein: The surfaces of the first positioning ring (2) and the second positioning ring (21) are both provided with a plurality of groups of clamping grooves (22) at intervals, and the inner wall of each clamping groove (22) is provided with two groups of positioning grooves (23) at the upper end.

4. A dental tray according to claim 1, wherein: The left and right ends of the bottom support plate (3) are both fixedly connected with clamping plates (31), and the inner side of each clamping plate (31) is fixedly connected with two groups of positioning blocks (32) at the upper end.

5. A dental tray according to claim 1, wherein: The clamping plate (31) is clamped and fixed with the clamping groove (22), and the positioning block (32) is clamped and fixed with the positioning groove (23).

6. A dental tray according to claim 1, wherein: The connecting plate (33) is fixedly connected with the outer surface of the clamping plate (31).

7. A dental tray according to claim 1 wherein: The surface of the side bracket (1) is provided with a plurality of groups of air holes (11).

8. A dental tray according to claim 1, wherein: The surface of the bottom support plate (3) is provided with a plurality of groups of air grooves (34).

Citation Information

Patent Citations

  • Improved dental implant tray

    CN213697285U