CN215937737U - Special tweezers for denture trough - Google Patents
Special tweezers for denture trough Download PDFInfo
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- CN215937737U CN215937737U CN202122392158.6U CN202122392158U CN215937737U CN 215937737 U CN215937737 U CN 215937737U CN 202122392158 U CN202122392158 U CN 202122392158U CN 215937737 U CN215937737 U CN 215937737U
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- elastic expansion
- forceps
- beak
- special
- denture
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- 210000003323 beak Anatomy 0.000 claims abstract description 42
- 230000007704 transition Effects 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a pair of special forceps for a denture socket, which belongs to the technical field of dental appliances and comprises a forceps body, wherein the forceps body comprises two clamping arms which are bilaterally symmetrically arranged, beak parts are arranged at the front ends of the clamping arms, the rear ends of the two clamping arms are fixedly connected, a middle pressure rod and a V-shaped elastic expansion piece are arranged between the two clamping arms, the front end of the middle pressure rod is used for being contacted with the denture socket, the rear end of the middle pressure rod is fixedly connected with the corner of the elastic expansion piece, the corner of the elastic expansion piece can be expanded back and forth, the V-shaped opening of the elastic expansion piece faces the rear, the two ends of the elastic expansion piece are respectively hinged with the two clamping arms, and the elastic expansion piece is used for driving the middle pressure rod to move back and forth. The utility model relates to a pair of special tweezers which is convenient for sticking a denture trough on a tooth.
Description
Technical Field
The utility model belongs to the technical field of dental instruments, and particularly relates to a pair of special tweezers for a denture trough.
Background
Brackets (brackets) are important components of fixed orthodontic technology, bonded directly to the crown surface with an adhesive, and an archwire passes through the brackets to apply various types of orthodontic forces to the tooth. The bracket is made of stainless steel, biological ceramic or composite resin and mainly used for fixing the arch wire, so that the arch wire can better play a role, the correction force is transferred, the three-dimensional movement of the tooth is controlled, and the purpose of orthodontic correction is achieved.
Doctors need to hold the bracket with tweezers and stick the bracket to the surface of the tooth, and the utility model has the following disadvantages:
1. the graduated scale and the reference object are not arranged, and when the bracket is positioned, a doctor can position the bracket at the center of the dental crown under the eyesight, so that the deviation is large. 2. When traditional tweezers pressed the support groove toward the tooth surface, the glue distribution of the bonding surface of the support groove was uneven because of insufficient pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide special tweezers which are convenient for adhering a denture groove to a tooth.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a special tweezers of denture socket, including the tweezers body, the tweezers body contains two arm lock that bilateral symmetry set up, the front end of arm lock is equipped with beak portion, the rear end fixed connection of two arm lock, be equipped with middle depression bar between two arm lock and be the elastic expansion ware of "V" font, the front end of middle depression bar is used for contacting with the denture socket, the rear end fixed connection of middle depression bar in the corner of elastic expansion ware, the corner of elastic expansion ware is flexible around can, the V-arrangement mouth of elastic expansion ware is towards the rear, two arm lock are connected in articulated respectively at the both ends of elastic expansion ware, elastic expansion ware is used for driving middle depression bar back-and-forth movement.
When the two beak parts of the forceps body clamp the dental bracket, the front end of the middle pressure bar presses the dental bracket.
When the two beak parts of the forceps body clamp the dental bracket, the front end of the middle pressure lever is positioned on the vertical central axis of the dental bracket.
A group of scale marks are arranged on the beak part along the longitudinal direction of the beak part.
When the two beak parts of the forceps body clamp the denture base, the top and the bottom ends of the beak part are respectively flush with the top and the bottom ends of the denture base.
The elastic expansion piece is a metal elastic piece and comprises two side edges which are arranged in bilateral symmetry and a transition fillet which is fixedly arranged between the two side edges.
The rear end of the middle pressure lever is welded on the front side of the transition fillet.
According to the special forceps for the denture trough, when the two beaks clamp the denture trough, the middle pressure rod can assist in pressing the denture trough, and the front end of the middle pressure rod is pressed on the vertical central axis of the denture trough, so that a doctor can intuitively use the front end of the middle pressure rod as a marker of the vertical central axis of the denture trough, when the denture trough is pasted on teeth, the front end of the middle pressure rod is moved to the middle position in the left-right direction of the teeth through visual observation, and the middle scale line in a group of scale lines on the beaks is moved to the middle position in the up-down direction of the teeth, so that the denture trough can be pasted on the more central position of the teeth, and the pasting accuracy of the denture trough is improved.
Drawings
FIG. 1 is a schematic view of a dental bracket held by forceps;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a view B-B of FIG. 2;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a right side view of FIG. 3;
FIG. 6 is a schematic structural view of the intermediate strut;
FIG. 7 is a view in the direction of C in FIG. 2;
FIG. 8 is a schematic view of the initial structure of the present invention;
in the figure: the dental tray comprises a central axis 1, clamping arms 2, a groove 3, a dental tray groove 4, an elastic expansion piece 5, a left side surface 6, a beak part 7, a right side surface 8, a vertical central axis 9, a middle pressure lever 10, a transition fillet 11, a side edge 12, a screw 13, a crown center 14, a scale mark 15, a tubular body a16, a tubular body c17, a tubular body b18 and a transverse central axis 19.
Detailed Description
The forceps special for the dental tray slot shown in fig. 1-8 comprise a forceps body, the forceps body comprises two clamping arms 2 which are arranged in a bilateral symmetry manner, the two clamping arms 2 are symmetrically arranged on the left side and the right side of the central axis 1 of the forceps body, the central axis 1 of the forceps body longitudinally and horizontally extends in the front and back direction, the front ends of the clamping arms 2 are provided with beak parts 7, the two beak parts 7 of the two clamping arms 2 are also symmetrically arranged on the left side and the right side of the central axis 1 of the forceps body, the rear ends of the two clamping arms 2 are fixedly connected, the left clamping arm 2 is obliquely arranged in the left direction from back to front, the right clamping arm 2 is obliquely arranged in the right direction from back to front, the beak parts 7 at the front ends of the two clamping arms 2 are arranged at intervals, and an opening capable of expanding or reducing is formed between the beak parts 7 at the front ends of the two clamping arms 2.
A middle pressure bar 10 and a V-shaped elastic expansion piece 5 are arranged between the two clamping arms 2;
the elastic expansion piece 5 is a V-shaped elastic piece which is a strip-shaped metal elastic piece bent in a V shape and can be a stainless steel elastic piece or an iron elastic piece or a copper elastic piece and the like and comprises two side edges 12 which are arranged in bilateral symmetry, the two side edges 12 are also arranged in bilateral symmetry at the left side and the right side of the central axis 1 of the tweezers body, the left side edge 12 extends linearly from back to front, the right side edge 12 extends linearly from back to front, the left side edge 12 extends linearly from back to front, an arc-shaped transition fillet 11 is fixedly arranged between the left side edge 12 and the right side edge 12, the left side edge 12, the transition fillet 11 and the right side edge 12 are fixedly connected together in an integrated manner, the transition fillet 11 is a corner of the elastic expansion piece 5, the elastic expansion piece 5 can expand back and forth (i.e. extend forwards and retract backwards), the V-shaped opening of the elastic expansion piece 5 faces backwards, when the V-shaped opening of the elastic expansion piece 5 is reduced, the corners of the elastic expansion piece 5 extend forwards, and when the V-shaped opening of the elastic expansion piece 5 is enlarged, the corners of the elastic expansion piece 5 are retracted backwards; the two ends of the elastic expansion device 5 are respectively hinged with two clamping arms 2, that is, the left end of the left side 12 is hinged with the left clamping arm 2, and the right end of the right side 12 is hinged with the right clamping arm 2, in this embodiment, the end of the side 12 is hinged with the corresponding clamping arm 2 through a screw 13, the screw 13 is vertically arranged, specifically, a tubular body a16 and a tubular body b18 are fixedly arranged at the inner side of the clamping arm 2 at an upper and lower interval, a threaded hole is arranged on the tubular body a16, a tubular hole of the tubular body b18 is a threaded hole, a tubular body c17 is fixedly arranged at the corresponding end of the side 12 (referring to that the left end of the left side 12 and the right end of the right side 12 are both fixedly provided with a tubular body c17), the tubular body c17 is not provided with internal threads, the tubular body c17 at the end of the side 12 is inserted between the tubular body a16 and the tubular body b18 on the corresponding clamping arm 2, the screw 13 sequentially penetrates through the tubular body a16, the tubular body c17 and the tubular body b18, and the screw 13 are both in threaded connection with the tubular bodies 16 and b18, the tubular body c17 has a tube inner diameter D (i.e., tube bore diameter) greater than or equal to the major diameter of the threads of the screw 13, and the side 12 is rotatable about the corresponding screw 13. The left and right sides 12 are hinged to the left and right clamp arms 2 through two screws 13, however, the present invention is not limited to the above form, and other existing structures can be adopted to realize the hinged connection of the clamp arms 2 and the sides 12 of the elastic expansion device 5.
The middle pressing rod 10 longitudinally extends forwards and backwards, the front end of the middle pressing rod 10 is used for being in contact with the denture socket 4 and pressing the denture socket 4, and the rear end of the middle pressing rod 10 is fixedly connected to the front side of the corner of the elastic expansion piece 5, namely the rear end of the middle pressing rod 10 is welded to the front side of the middle position of the transition fillet 11. The middle pressing rod 10 is positioned on the central axis 1 of the forceps body, and the middle pressing rod 10 can move back and forth along the central axis 1 of the forceps body.
The elastic expansion piece 5 is used for driving the middle pressing rod 10 to move back and forth along the central axis 1 of the forceps body.
When the two beak parts 7 of the forceps body clamp the dental bracket 4, the front end of the middle pressure lever 10 is inserted into the vertical groove 3 in the middle of the dental bracket and presses the dental bracket 4, the front end of the middle pressure lever 10 is positioned on the vertical central axis 9 of the dental bracket 4, and the front end of the middle pressure lever 10 is superposed with the vertical central axis 3 of the dental bracket 4. In this embodiment, the vertical central axis 3 of the bracket extends vertically and the horizontal central axis 19 extends horizontally from left to right. The bracket 4 is provided with said groove 3, which is prior art and will not be described in detail.
According to the special forceps for the denture trough, initially, the two clamping arms 2 are opened, and the front ends of the middle pressing rods 10 are arranged behind the front ends of the left beak part 7 and the right beak part 7 at intervals; when the forceps are used, the forceps body is held by hand, two fingers are respectively arranged at the outer sides of the two clamping arms 2 and then are extruded inwards, so that the opening of the clamping arms 2 is reduced, the V-shaped opening of the elastic expansion piece 5 is also reduced, the corners (transition fillets 11) of the elastic expansion piece 5 extend forwards, the middle pressure rod 10 is driven to move forwards, the front end of the middle pressure rod also moves forwards, when the two beak parts 7 clamp the dental bracket 4, the left beak part 7 and the right beak part 7 are respectively positioned at the left side and the right side of the dental bracket 4, the middle pressure rod 10 is contacted with and presses the dental bracket 4, and the front end of the middle pressure rod is pressed on the vertical central axis of the dental bracket 4, so that a doctor can intuitively take the front end of the middle pressure rod as a marker of the vertical central axis 9 of the dental bracket 4, the front end of the middle pressure rod is moved to the middle position in the left-right direction (namely the width direction) of a tooth through visual observation, and a middle scale line in a group of the beak part scales is moved to the middle position in the up-down direction (namely the height direction of the tooth, the denture trough can be pasted at the center of the tooth, and the pasting accuracy of the denture trough is improved.
Claims (7)
1. The utility model provides a special tweezers of denture socket, includes the tweezers body, the tweezers body contains two arm lock (2) that bilateral symmetry set up, and the front end of arm lock (2) is equipped with beak portion (7), the rear end fixed connection of two arm lock (2), its characterized in that: be equipped with middle depression bar (10) between two arm lock (2) and elastic expansion ware (5) that are "V" font, the front end of middle depression bar (10) is used for contacting with tooth support groove (4), the rear end fixed connection in the corner of elastic expansion ware (5) of middle depression bar (10), the corner of elastic expansion ware (5) can be flexible around can, the V-arrangement mouth of elastic expansion ware (5) is towards the rear, two arm lock (2) are connected in the articulated respectively in the both ends of elastic expansion ware (5), elastic expansion ware (5) are used for driving middle depression bar (10) back-and-forth movement.
2. The special forceps for denture socket according to claim 1, wherein: when the two beak parts (7) of the forceps body clamp the dental bracket (4), the front end of the middle pressure lever (10) presses the dental bracket (4).
3. The special forceps for denture socket according to claim 2, wherein: when the two beak parts (7) of the forceps body clamp the dental bracket (4), the front end of the middle pressure lever (10) is positioned on the vertical central axis (9) of the dental bracket (4).
4. The special forceps for denture socket according to claim 1, wherein: a group of scale marks (15) are arranged on the beak part (7) along the longitudinal direction of the beak part (7).
5. The forceps special for the denture socket, according to claim 4, wherein: when the two beak parts (7) of the forceps body clamp the dental bracket (4), the top and the bottom ends of the beak part (7) are respectively flush with the top and the bottom ends of the dental bracket (4).
6. The special forceps for denture socket according to claim 1, wherein: the elastic expansion piece (5) is a metal elastic piece and comprises two side edges (12) which are arranged in a bilateral symmetry mode and a transition fillet (11) which is fixedly arranged between the two side edges (12).
7. The forceps special for the denture socket of claim 6, wherein: the rear end of the middle pressure lever (10) is welded on the front side of the transition round angle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392158.6U CN215937737U (en) | 2021-09-30 | 2021-09-30 | Special tweezers for denture trough |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392158.6U CN215937737U (en) | 2021-09-30 | 2021-09-30 | Special tweezers for denture trough |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215937737U true CN215937737U (en) | 2022-03-04 |
Family
ID=80425361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122392158.6U Active CN215937737U (en) | 2021-09-30 | 2021-09-30 | Special tweezers for denture trough |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215937737U (en) |
-
2021
- 2021-09-30 CN CN202122392158.6U patent/CN215937737U/en active Active
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