CN209996509U

CN209996509U - kinds of false tooth holder

Info

Publication number: CN209996509U
Application number: CN201920579904.2U
Authority: CN
Inventors: 杨加兴
Original assignee: Sichuan Tianfu Luo Pu Three-Dimensional Technology Co Ltd
Current assignee: Sichuan Tianfu Luo Pu Three-Dimensional Technology Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-31
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses an artificial tooth holders, it includes driver, shell and apron, the driver is fixed in the bottom of shell, the apron is fixed in the top of shell, the three constitutes cavity, in the cavity, be provided with drive mechanism and artificial tooth fixture, driver, drive mechanism and artificial tooth fixture link to each other in proper order, the driver drives artificial tooth fixture through drive mechanism and presss from both sides tightly or unclamp, artificial tooth fixture sets up on the apron, and can move on the apron, artificial tooth fixture extends the cavity outside and in order to centre gripping artificial tooth, the artificial tooth holder of this design realizes the automatic centre gripping to the artificial tooth through simple structure, the centre gripping is firm, applicable environment is general.

Description

kinds of false tooth holder

Technical Field

The utility model relates to denture clamping mechanisms, in particular to denture clamping mechanisms.

Background

The denture is an important component in dental restoration, and after rough machining of the denture, it is necessary to fix the denture during finishing such as grinding and polishing, and in this case, kinds of devices for holding the denture are required.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide kinds of denture holders for rapidly and stably holding a denture when it is necessary to process the denture.

The utility model adopts the technical scheme as follows:

false tooth clamper comprises a driver, a shell and a cover plate, wherein the driver is fixed at the bottom of the shell, the cover plate is fixed at the top of the shell, the driver, the shell and the cover plate form a cavity, a transmission mechanism and a false tooth clamping mechanism are arranged in the cavity, the driver, the transmission mechanism and the false tooth clamping mechanism are sequentially connected, the driver drives the false tooth clamping mechanism to clamp or loosen through the transmission mechanism, the false tooth clamping mechanism is arranged on the cover plate and can move on the cover plate, and the false tooth clamping mechanism extends out of the cavity to clamp the false tooth.

The false tooth clamping mechanism is arranged on the cover plate and can be subjected to preliminary operations to limit the range of motion of the false tooth clamping mechanism, so that the motion of the false tooth clamping mechanism is controlled more simply and accurately.

, the drive mechanism includes a drive rod connected to the actuator, the free end of the drive rod being connected to the denture attachment mechanism by a tooth and tooth arrangement.

The transmission of the false tooth clamping mechanism is realized through teeth and a mode, the realization is simpler, and the synchronous control of all parts of the clamping mechanism can be realized only through machinery.

, the transmission mechanism comprises a screw rod, an N-face gear (N is a positive integer greater than or equal to 2), a flange plate and at least two fixed shafts, wherein the flange plate is connected with the N-face gear to form a body, the screw rod penetrates through a central threaded hole of the N-face gear, all the fixed shafts are fixed on the inner end face of the cover plate and are parallel to the screw rod, the free ends of all the fixed shafts penetrate through the flange plate fixed on the N-face gear, and the N-face gear is meshed with the false tooth clamping mechanism.

The circumferential motion is converted into the linear motion through the matching of the screw rod and the N-face gear, and the convenient transmission of the false tooth clamping mechanism can be realized through a simple structure at the end close to the false tooth clamping mechanism.

, the false tooth clamping mechanism comprises N clamping arms which are respectively arranged on the cover plate corresponding to N faces of the N-face gear, and the ends of the N clamping arms arranged on the cover plate are toothed and respectively matched with face teeth of the N-face gear.

The arrangement of the N clamping arms can be compatible with the handle parts of the false teeth in various shapes, and the clamping of the false teeth is more stable.

And , the N clamping arms are respectively engaged with the N face gears through N cylindrical gears, the N cylindrical gears are fixed on the inner end face of the cover plate, and each cylindrical gears are respectively engaged with face gears of clamping arms and the N face gears.

Through the relay of cylindrical gear for the position relation between N face gear and the arm lock has more selectivity, has improved the flexibility of device structural design.

, at least clamping arms are formed by connecting a rack and clamping jaws, the rack is arranged in a sliding groove in the inner end face of the cover plate and extends out of the shell, and the clamping jaws are fixed at the exposed ends of the rack.

The driven part and the working part of the clamping arm are designed to be separated, and the working part can be quickly replaced to quickly deal with different use environments.

, at least of the clamping jaws are provided with corner round holes, and the design can realize self-centering clamping when clamping the denture end handle.

, a sealing plate is provided on the outer end face of the cover plate corresponding to the center of the denture holding mechanism, and the center of the sealing plate is provided with a support.

The design can provide a base for positioning the false tooth, and the false tooth is convenient to place.

, a pressure sensor is arranged at the bottom of the inner cavity of the outer end face of the sealing plate, the output end of the pressure sensor is connected with the power supply control end of the driver, and the pressure sensor is designed to provide a trigger signal for the start of the device, namely, when the false tooth comes, the sensor is pressed to trigger the start of the motor.

, the housing and cover plate are cylindrical, the cylindrical design makes the installation of the device less susceptible to environmental constraints.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the denture clamp holder has the advantages of simple structure and ingenious design, and can accurately and stably clamp the denture.

2. The false tooth holder can complete the synchronous control of the jaw end only by simple machinery (the matching of an N-face gear and a rack). The design of cylindrical gear can be in a more flexible way between N face gear and the clamping arm constantly.

3. The design can realize self-centering clamping of the false tooth. The separation design of arm lock can deal with different service environment and change fast, conveniently.

4. Whether the artificial tooth comes can be automatically judged by the design, and then the automatic control of the starting of the clamping device is realized.

Drawings

Fig. 1 is an external structural view of a denture holder.

Fig. 2 is a block diagram of a cavity of a denture holder.

Fig. 3 is a configuration diagram of the denture holder.

In the figure, 10 is a driver, 20 is a housing, 201 is a flange plate arranged on the outer side of the housing, 30 is a cover plate, 301 is a sliding groove, 40 is a transmission mechanism, 401 is a lead screw, 402 is a three-sided gear, 403 is a flange plate of bodies of the three-sided gear, 403A is a flange unthreaded hole, 404 is a fixed shaft, 405 is a gear bracket, 406 is a cylindrical gear, 50 is a false tooth clamping mechanism, 501 is a clamping arm a, 501A is a rack, 501B is a clamping jaw, 502 is a clamping arm B, 503 is a clamping arm C, 601 is a sealing plate, 602 is a pressure sensor, and 70 is a support.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below in with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the present embodiment discloses kinds of denture holders, which include a driver 10, a housing 20 and a cover plate 30, wherein the driver 10 is fixed at the bottom of the housing 20, the cover plate 30 is fixed at the top of the housing 20 to form a cavity, a transmission mechanism 40 and a denture holding mechanism 50 are arranged in the cavity, the driver 10, the transmission mechanism 40 and the denture holding mechanism 50 are connected in sequence, the driver 10 drives the denture holding mechanism 50 to clamp or release through the transmission mechanism 40, the denture holding mechanism 50 is arranged on the cover plate 30 and can move on the cover plate 30, and the denture holding mechanism 50 extends out of the cavity to hold a denture.

The embodiment also discloses automatic denture holders, which comprise a driver 10, a shell 20 and a cover plate 30, wherein the driver 10 is fixed at the bottom of the shell 20, the cover plate 30 is fixed at the top of the shell 20 to form a cavity, a transmission mechanism 40 and a denture holding mechanism 50 are arranged in the cavity, the driver 10, the transmission mechanism 40 and the denture holding mechanism 50 are sequentially connected, the driver 10 drives the denture holding mechanism 50 to clamp or release through the transmission mechanism 40, the denture holding mechanism 50 is arranged on the cover plate 30 and can move on the cover plate 30, the denture holding mechanism 50 extends out of the cavity to hold a denture, a pressure sensor 602 is arranged in the middle of the outer end face of the cover plate 30, and the output end of the pressure sensor 602 is connected with the power supply control end of the.

The transmission mechanism 40 includes a transmission rod connected to the actuator 10, and a free end of the transmission rod is engaged with the denture holding mechanism 50 through a gear structure.

As shown in fig. 2, in embodiments, the transmission mechanism 40 is composed of a lead screw 401, a face gear 402, a flange 403, and at least two fixed shafts 404 (e.g. three shafts), the flange 403 is connected to the face gear 402 to form a body, the lead screw 401 passes through a central threaded hole of the face gear 402, all the fixed shafts 404 are fixed on the inner end surface of the cover plate 30 and are parallel to the lead screw 401, the free end of the fixed shafts 404 passes through the flange 403 fixed on the face gear 402, the face gear 402 and the denture holding mechanism 50 are toothed, and the driver 10 selects the motor 10 in embodiments to drive the lead screw 401 to rotate, because the face gear 402 and the flange 403 are connected to form a body, the flange 403 is limited by the fixed shaft 404 to be unable to rotate, therefore, the rotating lead screw 401 can drive the face gear 402 to move along the axial direction of the lead screw 401, and because the face gear 402 and the denture holding mechanism 50 are toothed, the axial reciprocating movement of the face gear 402.

The denture holding mechanism 50 comprises three

clamping arms

501, 502 and 503, wherein the three clamping arms are respectively arranged on the cover plate 30 at positions corresponding to three faces of the three-sided gear 402, the ends of the three clamping arms arranged on the cover plate 30 are toothed and are respectively matched with face teeth of the three-sided gear 402 and the toothed ends of the clamping arms can be designed into a crawler belt form, in embodiments, the three clamping arms are respectively matched with the three-sided gear 402 through three cylindrical gears 406, namely each clamping arm is matched with face teeth of the three-sided gear 402 through cylindrical gears 406, the three cylindrical gears 406 are fixed on the inner end face of the cover plate 30 and are respectively matched with face teeth of clamping arms and the three-sided gear 402, in specific embodiments, the clamping arms are formed by connecting a rack 501A and a clamping jaw 501B, the rack 501A is arranged in a sliding groove of the inner end face of the cover plate 30 and extends out of the shell 20, the clamping jaw 501B is fixed on the exposed end of the rack 501A, the strip 501A and the clamping jaw 501B are both made of rigid material, such as stainless steel, the rack 501A is L' and the.

To accommodate different prosthesis shanks, or more of the three jaws are provided with corner circular holes, as shown in fig. 1 or 3, to allow self-centering clamping when clamping a prosthesis end shank.

As shown in fig. 1-3, denture holders comprise a motor 10, a cylindrical shell 20, a cylindrical cover plate 30, a clamping jaw a, a clamping jaw B, a clamping jaw C, a lead screw 401, a fixed shaft 404, a three-sided gear 402, a gear bracket 405, a cylindrical gear 406A, a cylindrical gear 406B, a cylindrical gear 406C, a rack a, a rack B, a rack C, a sealing plate 601, a pressure sensor 602 and a support 70, wherein the motor 10 is fixed at the bottom of the cylindrical shell 20, the cylindrical cover plate 30 is fixed at the top of the cylindrical shell 20, the support 70 is fixed at the inner end surface of the cylindrical cover plate 30, the lead screw is arranged between the motor 10 and the support 70, the lead screw 401 penetrates through a central threaded hole of the three-sided gear 402, the fixed shafts 404 are three, two of the three cylindrical gears are fixed at 120 degrees on the inner end surface of the cylindrical cover plate 30 and penetrate through an outer side unthreaded hole 403A of an end of a flange 403 at the end of the three-sided gear 402, two of the three racks are arranged at 120 degrees in a sliding chute of the cylindrical cover plate 30, the three-sided gear bracket 405 is arranged at the inner end surface of the cylindrical cover plate 30, the three-sided gear 405 is connected with the power source clamping jaw cover plate 405, the three-clamp jaws 602, the three-clamp jaws 601, the three-clamp jaws are respectively connected with the three-clamp jaws, and the three-side clamping jaw clamp jaws, and the three clamp jaws, and the clamp jaws 601, and the clamp.

Outside the cylindrical housing 20, there is provided a mounting portion through which the entire denture holder can be mounted and fixed, and in embodiments, outside the cylindrical housing 20, there is provided a flange 201, and the flange 201 is concentrically designed with the cylindrical housing 20, through which the cylindrical housing 20 can be mounted and fixed.

Determining whether sense teeth come by the pressure sensor 602, and further determining whether to start the motor 10; when the motor 10 is turned on, the three-sided gear 402 is driven by the lead screw 401 to move. When the three-sided gear 402 moves away from the motor 10, the three cylindrical gears 406 transmit the movement to the three racks at the same time, all the racks move outwards, and the clamping jaw a, the clamping jaw B and the clamping jaw C realize loosening action. Similarly, when the three-sided gear 402 moves toward the direction close to the motor 10, the three cylindrical gears 406 transmit the movement to the three racks, all the racks move inward, and the clamping jaw a, the clamping jaw B and the clamping jaw C realize a clamping action.

The invention selects the three-sided gear from the comprehensive consideration of the tooth and area (namely tooth and stability) between the gear surface and the clamping arms and the clamping stability of the clamping arms on the object, and the three-sided gear and the corresponding number of clamping arms are the best choice. Although in the embodiment of the present invention, a three-sided gear and three clamping arms are selected, in practical application, gears with other number of sides (two opposite tooth surfaces when two sides are designed) and clamping arms with the same number, for example, 4 or 5-sided gears are selected and correspondingly designed with 4 or 5 clamping arms.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

The artificial tooth holder is characterized by comprising a driver, an outer shell and a cover plate, wherein the driver is fixed at the bottom of the outer shell, the cover plate is fixed at the top of the outer shell, the driver, the outer shell and the cover plate form a cavity, a transmission mechanism and an artificial tooth holding mechanism are arranged in the cavity, the driver, the transmission mechanism and the artificial tooth holding mechanism are sequentially connected, the driver drives the artificial tooth holding mechanism to clamp or loosen through the transmission mechanism, the artificial tooth holding mechanism is arranged on the cover plate and can move on the cover plate, and the artificial tooth holding mechanism extends out of the cavity to hold an artificial tooth.
2. The denture holder of claim 1, wherein said drive mechanism comprises a drive rod connected to an actuator, the free end of said drive rod being connected to said denture holder by a tooth and finger arrangement.
3. The denture holder according to claim 2, wherein the transmission mechanism comprises a screw shaft, an N-face gear, N is a positive integer greater than or equal to 2, a flange and at least two fixed shafts, the flange is connected with the N-face gear to form an body, the screw shaft passes through a central threaded hole of the N-face gear, all the fixed shafts are fixed on the inner end face of the cover plate and are parallel to the screw shaft, the free ends of all the fixed shafts pass through the flange fixed on the N-face gear, and the N-face gear is in tooth engagement with the denture holder.
4. The denture holder according to claim 3, wherein the denture holding mechanism comprises N clamp arms, the N clamp arms are respectively arranged on the cover plate at positions corresponding to N surfaces of the N-surface gear, and the ends of the N clamp arms arranged on the cover plate are all toothed and respectively correspond to surface teeth of the N-surface gear.
5. The denture holder according to claim 4, wherein the N arms are coupled to the inner end face of the cover by N spur gears and N face gears, the N spur gears being fixed to the inner end face of the cover, and wherein spur gears are coupled to face teeth of arms and the N face gears, respectively.
6. The denture holder according to claim 4 or claim 5, wherein at least of said arms are formed by a rack and jaws, said rack being disposed in a slot in the inner end face of the cover plate and extending out of said housing, said jaws being secured to the exposed ends of said rack.
7. The denture holder of claim 6, wherein at least of said jaws are provided with corner circular holes.
8. The denture holder of any of claims 1, 2, 3, 4, 5, and 7, wherein a sealing plate is provided on the outer end surface of the cover plate corresponding to the center of the denture holding mechanism, and the sealing plate is provided with a abutment at the center.
9. The denture holder according to claim 8, wherein an pressure sensor is further provided at the bottom of the inner cavity of the outer end face of the sealing plate, and the output end of the pressure sensor is connected with the power control end of the driver.
10. The denture holder of any of claims 1, 2, 3, 4, 5, 7, 9, wherein said housing and cover plate are cylindrical.