Observation instrument for false tooth processing

By introducing an arc-shaped limiting surface and a deformation cavity design into the denture processing observation instrument, the wear problem during denture limiting is solved, achieving more stable and efficient limiting operation and simplifying the replacement process of limiting components.

CN223944504UActive Publication Date: 2026-02-27深圳市时代义齿配制有限公司
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Patent Information

Application Number
CN202520394679.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-27
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing denture processing observation instruments are prone to denture wear and unstable fixation due to rigid contact during positioning, which affects observation accuracy and efficiency.

Method used

A limiting component with an arc-shaped limiting surface was designed, which, combined with a deformation cavity and a reset component, provides flexible buffering, and the limiting component can be quickly replaced through the cooperation of a sliding sleeve and a guide component.

Benefits of technology

It reduces denture wear, improves the stability and accuracy of the positioning, simplifies the replacement process of the positioning components, and increases work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an observation instrument for false tooth processing, which belongs to the field of false tooth processing and comprises a base, a line drawing component is arranged at the top of the base, a rotating disc is fixedly connected to the top of the base and positioned under the line drawing component, and a fixed seat is rotatably connected to the top of the rotating disc. An abutting block is slidably connected to one side of the top of the fixing base, two symmetrically-arranged limiting pieces are arranged on the side, located on the abutting block, of the top of the fixing base, the two limiting pieces are distributed in a splayed shape, and arc-shaped limiting faces are arranged on the opposite faces of the two limiting pieces; by arranging the limiting piece with the arc-shaped limiting surface, and the deformation cavity and the reset piece which are matched with the limiting piece, better adaptability and buffering effect can be provided when the false tooth is fixed, rigid contact between the false tooth and the observation instrument is reduced through the design, and the safety of the false tooth is improved. Therefore, abrasion and damage caused by stress in the observation process of the false tooth are effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to false tooth processing technical field, concretely relates to a kind of observation instrument for false tooth processing. BACKGROUND

[0002] Dental cast observation instrument is used to determine false tooth model's undercut and common seating path, mainly used for removable repair design and fill undercut. When using, first place model on observation table, determine future approximate jaw plane, and select 3 points to mark, fix this selected plane, then make a circle along the outline of tooth with tracing pen on observation instrument, draw a line, so that the line below is future undercut, and the line above is non-undercut area. If undercut area or non-undercut area cannot meet requirements, it can be determined to adjust and grind which part of which tooth, or make crown for which tooth to obtain satisfactory undercut and common seating path.

[0003] For example, the announcement number CN 211049662 U discloses a kind of observation instrument for false tooth processing, it includes base, vertical fixed on the support of the base, with the support is connected and is set up the analysis pole perpendicular to the base, with the analysis pole side port connection of bottom base, and set up the observation table on the base, the line drawing knife is vertically set, the observation table is connected between the base by ball hinge, the ball hinge is fixed on a support seat, the support seat bottom center position fixedly connected with the vertical setting pivot, the base is set up with the pivot matched accommodating cavity in, the base is inserted from its outside to inside with the pivot abutment clamping piece, the utility model has can be placed false tooth model's base position and angle adjustment, to facilitate staff observation effect in the process of line drawing position condition.

[0004] The above case is fixed by two limiting columns and movable abutting piece in the actual use process when limiting false tooth, and the false tooth is rigidly contacted during fixing, so that the false tooth is easily worn during observation due to large stress, therefore, the utility model provides a kind of observation instrument for false tooth processing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of observation instrument for false tooth processing to solve the problems raised in the above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an observation instrument for false tooth processing, including the base, the top of base is equipped with the line drawing component, the top of base is fixedly connected with the rotating disc below line drawing component, the top of rotating disc is rotatably connected with the fixed base, the side of fixed base top is slidably connected with the abutment block, the side of fixed base top is equipped with two symmetrical limit pieces of abutment block, two limit pieces are distributed in splay shape, and the opposite surface of two limit pieces is equipped with arc limit surface.

[0007] As a preferred implementation, the top of the base on one side of the fixed seat is fixedly connected with a first component, the outside of the first component is slidably connected with a second component, one end of the second component is connected with the line drawing component, the first component is used for height adjustment of the line drawing component, and the second component is used for horizontal adjustment of the line drawing component.

[0008] As a preferred implementation, the top of the base is fixedly connected with a fixed plate, the inside of the fixed plate is threadedly connected with a stud, one end of the stud is fixedly connected with a rotating handle, and the other end of the stud is rotatably connected with the other side of the abutment block.

[0009] As a preferred implementation, the two sides of the fixed seat are fixedly connected with guide members, the bottom of the outward face of each limit piece is fixedly connected with a sliding sleeve, the bottom of the sliding sleeve is provided with a sliding part, and the sliding part is provided with a sliding groove matched with the guide member on the face facing the guide member.

[0010] As a preferred implementation, the two sides of the fixed seat are fixedly connected with limit plates, the distance between the limit plate and the guide member is slightly greater than the length value of the sliding sleeve, the face of the guide member facing the limit plate is provided with a guide surface, the other end of the guide member is fixedly connected with a locking plate, one side of the top of the fixed seat is fixedly connected with two symmetrically arranged bottom plates, and the two bottom plates are in abutment with one end of the two limit pieces, respectively.

[0011] As a preferred implementation, an elliptical deformation cavity is formed between the inside of the limit piece and the arc limit surface.

[0012] As a preferred implementation, the inside of the deformation cavity is provided with two "S"-shaped reset members, and a weakening groove is formed in the bending portion of each reset member.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The observation instrument for false tooth processing, through the setting of the limiting piece with the arc-shaped limiting surface, and the deformation cavity and the reset piece matched with the limiting piece, better adaptability and buffering effect can be provided when the false tooth is fixed, and the rigid contact between the false tooth and the observation instrument is reduced, thereby effectively reducing the abrasion and damage of the false tooth caused by stress in the observation process;

[0015] The observation instrument for false tooth processing, the cooperation of the sliding sleeve and the guide piece makes the replacement of the limiting piece very simple and fast, when the limiting piece needs to be replaced due to long-time use or accidental damage, the staff only needs to follow the established steps, easily take off the old limiting piece from the sliding sleeve, and install the new limiting piece, and the design greatly shortens the maintenance time and improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the structure of the utility model;

[0017] Figure 2 It is a front view of the fixed seat;

[0018] Figure 3 It is a side view of the fixed seat;

[0019] Figure 4 It is a front view of the limiting piece.

[0020] In the drawing: 1, base; 2, first assembly; 3, second assembly; 4, line drawing assembly; 6, rotating disc; 7, fixed seat; 701, guide piece; 7011, guide surface; 702, limiting plate; 703, bottom plate; 8, fixed plate; 9, stud; 10, rotating handle; 11, abutting block; 12, limiting piece; 1201, sliding sleeve; 12011, sliding part; 12012, sliding groove; 1202, limiting surface; 1203, deformation cavity; 1204, reset piece; 12041, weakening groove. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with examples.

[0022] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and the simple improvement of the method of the utility model under the concept of the utility model belongs to the range required to be protected by the utility model.

[0023] Please refer to Figures 1-4The utility model provides a kind of observation instrument for false tooth processing, including base 1, the top of base 1 is equipped with line drawing assembly 4, the top of base 1 is fixedly connected with first assembly 2 in the one side of fixed base 7, the outside of first assembly 2 is slidably connected with second assembly 3, one end of second assembly 3 is connected with line drawing assembly 4, first assembly 2 is used for the height adjustment of line drawing assembly 4, second assembly 3 is used for the horizontal adjustment of line drawing assembly 4;

[0024] When false tooth limit is completed, the height of line drawing assembly 4 can be adjusted using first assembly 2, line drawing assembly 4 is adjusted to the height position compatible with false tooth model, after height adjustment is completed, second assembly 3 is used to carry out the horizontal adjustment of line drawing assembly 4. By sliding second assembly 3, it is ensured that line drawing assembly 4 can accurately draw line along the shape of false tooth model, finally, line drawing assembly 4 is started to draw line operation, and this line divides false tooth model into undercut area and non-undercut area, to provide important reference for subsequent false tooth processing.

[0025] It needs to be explained in the above scheme that first assembly 2 and second assembly 3 are prior art, so no more redundant description is made.

[0026] In the embodiment, rotating disc 6 is fixedly connected on the top of base 1 below line drawing assembly 4, rotating disc 6 is rotatably connected with fixed base 7 on the top, one side of the top of fixed base 7 is slidably connected with abutting block 11, fixed plate 8 is fixedly connected on the top of base 1, screw post 9 is threadedly connected in fixed plate 8, rotating handle 10 is fixedly connected on one end of screw post 9, the other end of screw post 9 is rotatably connected with the other side of abutting block 11, two symmetrical limit pieces 12 are arranged on the top of fixed base 7 on the side of abutting block 11, two limit pieces 12 are distributed in "S" shape, arc-shaped limit surface 1202 is arranged on the opposite surface of two limit pieces 12, deformation cavity 1203 of oval shape is arranged between the inside of limit piece 12 and arc-shaped limit surface 1202, two "S"-shaped reset pieces 1204 are arranged in the inside of deformation cavity 1203, and weakening groove 12041 is arranged in the bending position of each reset piece 1204.

[0027] The denture model is placed on the fixing seat 7, the fixing seat 7 is rotationally connected with the top of the base 1 through the rotating disc 6, the angle of the denture model is facilitated to be adjusted, the abutting block 11 is slidingly connected on one side of the top of the fixing seat 7, the denture model is preliminarily limited, the rotating handle 10 drives the threaded connection of one end of the stud 9 in the fixed plate 8 to rotate, the other end of the stud 9 is rotationally connected with the other side of the abutting block 11, the position of the abutting block 11 is adjusted through the rotating handle 10, and the denture model is further fixed, the two limiting pieces 12 are distributed in an eight-character shape on the top of the fixing seat 7 on the side of the abutting block 11, and the denture model is more accurately limited, the opposite surfaces of the limiting piece 12 are each provided with an arc-shaped limiting surface 1202, the arc-shaped limiting surface 1202 is adapted to the shape of the denture model, the stability and accuracy of the limiting are improved, when the denture model is placed on the fixing seat 7, the arc-shaped limiting surface 1202 is pressed by the denture model, the reset piece 1204 in the limiting piece 12 is deformed, the reset piece 1204 is in an “S” shape, and a weakening groove 12041 is formed at the bending part, so that the reset piece 1204 is deformed when being pressed, and returns to the original state after the pressure disappears;

[0028] Through the cooperation of the rotating disc 6, the abutting block 11 and the limiting piece 12, the denture model can be accurately limited, the accuracy of the line drawing operation is ensured, the arc-shaped limiting surface 1202 is adapted to the shape of the denture model, the stability and accuracy of the limiting are improved, the design of the rotating handle 10 makes the position adjustment of the abutting block 11 simple and fast, the operation difficulty is reduced, the “S” shape design of the reset piece 1204 and the weakening groove 12041 make the limiting piece 12 deform when being pressed, and return to the original state after the pressure disappears, so that the denture model is prevented from being excessively pressed and damaged.

[0029] In the embodiment, the fixing seat 7 is fixedly connected with guide pieces 701 on both sides, the bottom of the outward facing surface of each limiting piece 12 is fixedly connected with a sliding sleeve 1201, the bottom of the sliding sleeve 1201 is provided with a sliding part 12011, a sliding groove 12012 matched with the guide piece 701 is formed in the surface of the sliding part 12011 facing the guide piece 701, the fixing seat 7 is fixedly connected with limiting plates 702 on both sides, the distance between the limiting plate 702 and the guide piece 701 is slightly greater than the length of the sliding sleeve 1201, the surface of the guide piece 701 facing the limiting plate 702 is provided with a guide surface 7011, the other end of the guide piece 701 is fixedly connected with a locking plate, one side of the top of the fixing seat 7 is fixedly connected with two symmetrically arranged bottom plates 703, and the two bottom plates 703 abut one end of the two limiting pieces 12 respectively;

[0030] When it is necessary to replace the limiting piece 12, the limiting piece 12 can be moved towards the limiting plate 702 until the sliding sleeve 1201 is separated from the guide 701, and then the sliding sleeve 1201 with the limiting piece 12 can be removed through the distance between the limiting plate 702 and the guide 701 for replacement. The side of the guide 701 facing the limiting plate 702 is provided with a guide surface 7011, which helps to provide smooth transition and guidance when the limiting piece 12 slides. The other end of the guide 701 is fixedly connected with a locking plate, which is used to lock the limiting piece 12 after it slides to the required position, preventing it from sliding accidentally. One side of the top of the fixing seat 7 is fixedly connected with two symmetrically arranged bottom plates 703, which respectively abut against one end of the two limiting pieces 12. This design not only provides additional support and stability for the limiting piece 12, but also ensures the accuracy of the limiting piece 12 during the sliding process. Through the cooperation of the sliding sleeve 1201 and the guide 701 and the limiting effect of the limiting plate 702, the embodiment realizes the quick replacement of the limiting piece 12. This not only reduces the time cost in the replacement process, but also improves the overall work efficiency.

[0031] The utility model discloses a working principle and use flow: first, the denture model is placed on the fixed seat 7, and the fixed seat 7 is rotatably connected with the top of base 1 through the rotary disc 6, which is convenient for adjusting the angle of the denture model, the abutting block 11 is slidably connected on one side of the top of fixed seat 7, and is used for preliminarily limiting the denture model, the rotary handle 10 drives the one end of stud 9 that is screw thread connection in fixed plate 8 to rotate, and the other end of stud 9 is rotatably connected with the other side of abutting block 11, the position of abutting block 11 can be adjusted through rotary handle 10, and the denture model is further fixed, two limiters 12 are distributed in eight characters shape on the top of fixed seat 7 at the side of abutting block 11, and are used for more accurate limiting of the denture model, the opposite surface of limiter 12 is all equipped with arc limit surface 1202, and is adapted to the appearance of the denture model, improves the stability and accuracy of limiting, when the denture model is placed on the fixed seat 7, the arc limit surface 1202 will be pressed by the denture model, and makes the reset member 1204 in the limiter 12 deform, the reset member 1204 is " S " shape, and the bending portion is equipped with weakening groove 12041, which is convenient for the deformation of reset member 1204 when being pressed, and restores the original shape after the pressure disappears, when the denture limiting is completed, the height of drawing line assembly 4 can be adjusted by first assembly 2, and the height of drawing line assembly 4 is adjusted to the height position that is adapted to the denture model, after the height adjustment is completed, the horizontal adjustment of drawing line assembly 4 is carried out using second assembly 3. By sliding second assembly 3, it is ensured that drawing line assembly 4 can accurately draw lines along the appearance of the denture model, finally, starting drawing line assembly 4 carries out the line drawing operation, and the line divides the denture model into the undercut area and the non-undercut area, which provides important reference for subsequent denture processing, when it is necessary to replace limiter 12, limiter 12 can be moved to limit plate 702, until sliding sleeve 1201 is separated from guide 701, and then sliding sleeve 1201 is taken down along with limiter 12 through the distance between limit plate 702 and guide 701 to replace.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An observation apparatus for processing of dentures, comprising a base (1), characterized in that: The top of the base (1) is provided with a line drawing assembly (4), the top of the base (1) is fixedly connected with a rotating disc (6) below the line drawing assembly (4), the top of the rotating disc (6) is rotatably connected with a fixed seat (7), one side of the top of the fixed seat (7) is slidably connected with a contact block (11), two symmetrically arranged limiting pieces (12) are arranged on one side of the top of the fixed seat (7) and the contact block (11), the two limiting pieces (12) are distributed in a spreader shape, and arc-shaped limiting surfaces (1202) are arranged on the opposite surfaces of the two limiting pieces (12).

2. The observation instrument for processing of the artificial tooth according to claim 1, characterized in that: The top of the base (1) is fixedly connected with a first assembly (2) on one side of the fixed seat (7), the first assembly (2) is slidably connected with a second assembly (3) outside, one end of the second assembly (3) is connected with the line drawing assembly (4), the first assembly (2) is used for height adjustment of the line drawing assembly (4), and the second assembly (3) is used for horizontal adjustment of the line drawing assembly (4).

3. The apparatus according to claim 1, wherein: The top of the base (1) is fixedly connected with a fixed plate (8), the inside of the fixed plate (8) is threadedly connected with a stud (9), one end of the stud (9) is fixedly connected with a rotating handle (10), and the other end of the stud (9) is rotatably connected with the other side of the contact block (11).

4. The observation instrument for processing of the artificial tooth according to claim 1, wherein: Both sides of the fixed seat (7) are fixedly connected with guide pieces (701), the bottom of the outer face of each limiting piece (12) is fixedly connected with a sliding sleeve (1201), the bottom of the sliding sleeve (1201) is provided with a sliding portion (12011), and a sliding groove (12012) matched with the guide piece (701) is formed in the face of the sliding portion (12011) facing the guide piece (701).

5. A viewer for processing a denture according to claim 4, wherein: Both sides of the fixed seat (7) are fixedly connected with limiting plates (702), the distance between the limiting plate (702) and the guide piece (701) is slightly greater than the length value of the sliding sleeve (1201), a guide surface (7011) is arranged on the face of the guide piece (701) facing the limiting plate (702), the other end of the guide piece (701) is fixedly connected with a locking plate, one side of the top of the fixed seat (7) is fixedly connected with two symmetrically arranged bottom plates (703), and the two bottom plates (703) abut against one end of the two limiting pieces (12) respectively.

6. The apparatus for processing a denture according to claim 1, wherein: An elliptical deformation cavity (1203) is formed between the inside of the limiting piece (12) and the arc-shaped limiting surface (1202).

7. A viewer for processing a denture according to claim 6, wherein: Two "S"-shaped reset members (1204) are arranged in the inside of the deformation cavity (1203), and a weakening groove (12041) is formed in the bent portion of each reset member (1204).

Citation Information

Patent Citations

  • Observation instrument for false tooth processing

    CN211049662U