CN110897749A

CN110897749A - Dental crown repair abutment gap dynamometer

Info

Publication number: CN110897749A
Application number: CN201911306203.2A
Authority: CN
Inventors: 陈丕铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-03-24

Abstract

The invention discloses a dental crown repair abutment gap dynamometer, which comprises a bottom plate, a lifting unit, a rotating unit and a controller, wherein the bottom plate is provided with a plurality of through holes; a bottom plate: the middle part of the front side surface of the bottom plate is provided with a controller; a lifting unit: the lifting unit comprises a motor, a fixed block, a screw rod, a movable block and an installation plate, the bottom end of the fixed block is connected with the middle part of the upper surface of the bottom plate, a groove is formed in the front side surface of the fixed block, the screw rod is connected in the groove in a rotating mode, the bottom end of the motor is connected with the top end of the fixed block, an output shaft of the motor is connected with the top end of the screw rod, the movable block is connected with the groove in the front side surface of the fixed block in a sliding mode, a screw hole in the side surface of the movable block is connected with the screw rod in a threaded mode, the front side surface of the movable block is connected with; the dental crown repair abutment gap dynamometer has the advantages of simple structure, convenience in use and accuracy in measurement.

Description

Dental crown repair abutment gap dynamometer

Technical Field

The invention relates to the technical field of oral cavity measuring equipment, in particular to a dental crown repair abutment gap dynamometer.

Background

When a dentist wears a fixed crown on a patient, dental floss is generally adopted, whether the adjacent gaps between a new crown and the new crown and between the new crown and an adjacent tooth are tight is judged by sensing the contact tightness between the prosthesis and the prosthesis or between the prosthesis and the adjacent tooth through hand feeling, when the abutment relationship is considered to be normal by the dentist, the crown is permanently bonded on an abutment by using a bonding agent, the untight abutment relationship can cause food to be easily inserted between a false crown and the adjacent tooth to influence the use of the patient, the too tight abutment relationship can cause discomfort of the patient, and the proper adjacent gap cannot be judged by objectively obtaining a numerical value due to the hand feeling of the dentist in the prior art.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides the stomatological crown repair abutment gap dynamometer, has a simple structure, is convenient to use and accurate in measurement, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a dental crown restoration abutment gap dynamometer comprises a bottom plate, a lifting unit, a rotating unit and a controller;

a bottom plate: the middle part of the front side surface of the bottom plate is provided with a controller;

a lifting unit: the lifting unit comprises a motor, a fixed block, a screw rod, a movable block and an installation plate, wherein the bottom end of the fixed block is connected with the middle part of the upper surface of the bottom plate, the front side surface of the fixed block is provided with a groove, the screw rod is connected in the groove in a rotating manner, the bottom end of the motor is connected with the top end of the fixed block, the output shaft of the motor is connected with the top end of the screw rod, the movable block is connected with the groove on the front side surface of the fixed block in a sliding manner, a screw hole on the side surface of the movable block is connected with the screw rod in a threaded manner, the front side surface of the movable block is connected with the middle part;

wherein: the input end of the motor is electrically connected with the output end of the controller, and the input end of the controller is electrically connected with the output end of an external power supply.

Through the lifting unit, the height of the measuring unit can be adjusted according to different use conditions, so that the measured data is more accurate, and errors are prevented.

Further, the rotating unit comprises a rotating wheel, a connecting plate, a worm, a gear, a connecting rod and a supporting plate, the two connecting plates are provided with rear side ends which are correspondingly arranged on the left side and the right side of the front side of the mounting plate, a worm is rotatably connected between the two connecting plates, the rotating wheel is positioned at the right end of the connecting plate at the right side, the left end of the rotating wheel is connected with the right end of the worm, the middle part of the rear side surface of the gear is rotationally connected with the top end of the front side surface of the mounting plate through a shaft, the gear is meshed with the outer side of the worm, the left end and the right end of the back side surface of the supporting plate are respectively connected with the front side ends of the two connecting plates, the middle part of the supporting plate is provided with a through hole, the rear side end of the connecting rod is connected with the middle of the front side face of the gear, the front side end of the connecting rod penetrates through the through hole in the middle of the supporting plate and is provided with the measuring unit, the angle of the measuring unit can be adjusted, and then the position of the metal sheet is adjusted.

Furthermore, the measuring unit comprises a mounting block, a T-shaped sliding block, a telescopic rod, a spring, a movable plate, a fixed plate and a metal sheet, the middle part of the rear side surface of the mounting block is connected with the front side end of the connecting rod, the left end of the front side surface of the mounting block is provided with a T-shaped sliding groove, the T-shaped sliding groove is connected with the T-shaped sliding block in a sliding manner, the front side end of the T-shaped sliding block is movable plate, the right end of the front side surface of the mounting block is provided with the fixed plate, the left side surface of the fixed plate is connected with the right side end of the telescopic rod, the left side end of the telescopic rod is connected with the right side surface of the movable plate, the spring is sleeved outside the telescopic rod, the metal sheets are arranged at the front side ends of the movable plate and the fixed plate, the force value between the prosthesis, the tightness of the abutment gap is forced to an appropriate value to ensure that the abutment gap is not too loose to cause occlusion and too tight to cause occlusion discomfort for the patient.

Further, fixed unit contains bracing piece, pivot, connecting block and fixture block, the connecting block has two and controls the correspondence and establish the top at the mounting panel, rotates between two connecting blocks and is connected with the pivot, the outside middle part of pivot and the back side fixed connection of connecting block, the bottom front side of connecting block is equipped with the fixture block, can fix it after rotating measuring unit's angle, prevents to cause equipment maloperation in the measurement process to influence measuring result.

Further, still include distance sensor and display screen, distance sensor establishes the left surface at the fixed plate, the middle part at the fixed block right flank is established to the display screen, distance sensor's output electric connection director's input, the output of the input electric connection director of display screen can be with the power value signal conversion that measures to digital signal display on the display screen to make things convenient for the doctor to refer to.

Further, still include calibrated scale and pointer, the right flank of the connecting plate on right side is established to the calibrated scale, the outside at the runner is established to the pointer, the pointer cooperatees with the calibrated scale, convenience when can improving the regulation measuring element angle.

Furthermore, the device also comprises a supporting block and an illuminating lamp, wherein the lower end of the supporting block is connected with the middle part of the top end of the mounting block, the illuminating lamp is arranged at the top end of the supporting block, the input end of the illuminating lamp is electrically connected with the output end of the controller, illumination can be provided during measurement, and an operator can observe the device more clearly.

Furthermore, the garbage can also comprises a garbage box which is arranged on the left side of the upper surface of the bottom plate, so that the medical garbage can be uniformly recycled, and the garbage can be prevented from being mixed with other garbage to pollute the environment.

Compared with the prior art, the invention has the beneficial effects that: this department of stomatology crown restoration adjacency clearance dynamometer has following benefit:

1. the height of the measuring unit can be adjusted according to different using conditions through the lifting unit, so that the measured data is more accurate, errors caused by the measured data are prevented, the angle of the measuring unit can be adjusted through the rotating unit, and further the position of the metal sheet is adjusted;

2. the force value between the prosthesis and the adjacent tooth gap can be measured for a plurality of times through the measuring unit, so that a corresponding force value is obtained, and then the adjacent gap of the prosthesis is judged and milled according to the force value, so that the close stress of the adjacent gap can reach a proper value, the adjacent gap is prevented from being too loose to cause tooth plugging, and simultaneously, the adjacent gap is prevented from being too tight to cause the occlusion discomfort of a patient;

3. the measuring unit can be fixed after the angle of the measuring unit is rotated, so that the device is prevented from being moved mistakenly in the measuring process, and therefore the measuring result is influenced;

4. the medical garbage can is provided with the dial and the pointer, convenience in adjusting angles of the measuring units can be improved, the supporting block and the illuminating lamp are arranged, illumination can be provided in the measuring process, operators can observe the medical garbage more clearly, the garbage box is arranged, medical garbage can be uniformly recycled, and the medical garbage can be prevented from being mixed with other garbage to pollute the environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of a rotating unit according to the present invention;

FIG. 4 is a schematic view of a measuring unit according to the present invention.

In the figure: the device comprises a base plate 1, a lifting unit 2, a motor 21, a fixed block 22, a lead screw 23, a movable block 24, a mounting plate 25, a rotating unit 3, a rotating wheel 31, a connecting plate 32, a worm 33, a gear 34, a connecting rod 35, a supporting plate 36, a measuring unit 4, a mounting block 41, a sliding block 42T, a telescopic rod 43, a spring 44, a movable plate 45, a fixed plate 46, a metal sheet 47, a fixed unit 5, a supporting rod 51, a rotating shaft 52, a connecting block 53, a fixture block 54, a distance sensor 6, a display screen 7, a dial 8, a pointer 9, a supporting block 10, an illuminating lamp 11, a waste material box 12 and.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a dental crown restoration abutment gap dynamometer comprises a bottom plate 1, a lifting unit 2, a rotating unit 3 and a controller 13;

bottom plate 1: the middle part of the front side surface of the bottom plate 1 is provided with a controller 13;

the lifting unit 2: the lifting unit 2 comprises a motor 21, a fixed block 22, a lead screw 23, a movable block 24 and a mounting plate 25, the bottom end of the fixed block 22 is connected with the middle part of the upper surface of the bottom plate 1, a groove is arranged on the front side surface of the fixed block 22, the lead screw 23 is rotationally connected in the groove, the bottom end of the motor 21 is connected with the top end of the fixed block 22, an output shaft of the motor 21 is connected with the top end of the lead screw 23, the movable block 24 is slidably connected with the groove on the front side surface of the fixed block 22, a screw hole on the side surface of the movable block 24 is in threaded connection with the lead screw 23, the front side surface of the movable block 24 is connected with the middle part of the rear side surface of the mounting plate 25, the height of the measuring unit 4 can be adjusted according to different use conditions through the lifting unit 2, so that the measured data are more accurate and, A connecting rod 35 and a supporting plate 36, the connecting plate 32 has two connecting plates 32 with rear side ends arranged at the front side of the mounting plate 25 in a left-right correspondence, a worm 33 is rotatably connected between the two connecting plates 32, the rotating wheel 31 is positioned at the right end of the connecting plate 32 at the right side, the left side end of the rotating wheel 31 is connected with the right end of the worm 33, the middle part of the rear side of the gear 34 is rotatably connected with the top end of the front side of the mounting plate 25 through a shaft, the gear 34 is meshed with the outer side of the worm 33, the left and right ends of the rear side of the supporting plate 36 are respectively connected with the front side ends of the two connecting plates 32, the middle part of the supporting plate 36 is provided with a through hole, the rear side end of the connecting rod 35 is connected with the middle part of the front side of the gear 34, the front side end of the connecting, The middle part of the back side surface of the mounting block 41 is connected with the front side end of the connecting rod 35, the left end of the front side surface of the mounting block 41 is provided with a T-shaped sliding groove, the T-shaped sliding groove is connected with the T-shaped sliding block 42 in a sliding manner, the front side end of the T-shaped sliding block 42 is provided with a movable plate 45, the right end of the front side surface of the mounting block 41 is provided with a fixed plate 46, the left side surface of the fixed plate 46 is connected with the right side end of the telescopic rod 43, the left side end of the telescopic rod 43 is connected with the right side surface of the movable plate 45, the outer side of the telescopic rod 43 is sleeved with a spring 44, the front side ends of the movable plate 45 and the fixed plate 46 are provided with metal sheets 47, the force value between the prosthesis and the adjacent dental space can be measured for multiple times, so that a corresponding force value is obtained, then the adjacent space of the prosthesis is, in order to ensure that the adjacent gap is not too loose to cause tooth plugging, and simultaneously, the adjacent gap is not too tight to cause patient occlusion discomfort, the top end of the mounting plate 25 is provided with the fixing unit 5, the fixing unit 5 comprises a support rod 51, a rotating shaft 52, a connecting block 53 and a fixture block 54, two connecting blocks 53 are correspondingly arranged at the top end of the mounting plate 25 in the left-right direction, the rotating shaft 52 is rotatably connected between the two connecting blocks 53, the middle part of the outer side of the rotating shaft 52 is fixedly connected with the rear side end of the connecting block 53, the fixture block 54 is arranged on the front side of the bottom end of the connecting block 53, and the measuring unit 4 can be fixed after being rotated by the angle, so that the device;

wherein: the input end of the motor 21 is electrically connected with the output end of the controller 13, the input end of the controller 13 is electrically connected with the output end of an external power supply, the distance sensor 6 and the display screen 7 are further included, the distance sensor 6 is arranged on the left side surface of the fixing plate 46, the display screen 7 is arranged in the middle of the right side surface of the fixing block 22, the output end of the distance sensor 6 is electrically connected with the input end of the controller 13, the input end of the display screen 7 is electrically connected with the output end of the controller 13, a measured force value signal can be converted into a digital signal to be displayed on the display screen 7, so that reference of a doctor is facilitated, the distance measuring device further comprises a dial 8 and a pointer 9, the dial 8 is arranged on the right side surface of the connecting plate 32 on the right side, the pointer 9 is arranged on the outer side of the rotating wheel 31, the pointer 9 is matched with the dial 8, convenience in, the top of supporting shoe 11 is equipped with light 10, and the output of light 10's input electric connection controller 13 can provide the illumination when measuring, makes the doctor can observe more clearly, still includes waste material box 12, and waste material box 12 is established in the left side of bottom plate 1 upper surface, can unify the recovery with medical waste, prevents that it from mixing together polluted environment with other rubbish.

When in use: the external power supply is switched on, each electrical appliance normally works, firstly, a user sits down facing the device, the controller 13 is used for starting the motor 21, the output shaft of the motor 21 is connected with the top end of the lead screw 23, the lead screw 23 is in threaded connection with the screw hole on the side surface of the movable block 24, the height of the measuring unit 4 can be adjusted according to the height of the user through the rotation of the motor 21, after the height is adjusted, the rotating wheel 31 is rotated, the left end of the rotating wheel 31 is connected with the right end of the worm 33, the worm 33 is meshed with the gear 34, the middle part of the front side surface of the gear 34 is connected with the measuring unit 4 through the connecting rod 35, so that the angle adjustment of the measuring unit 4 can be realized, the position adjustment of the metal sheet 47 is realized, when the angle of the metal sheet 47 is adjusted, the clamping block 54 on the front side of the bottom end of the connecting block 53 is clamped into the tooth pitch of, thereby influencing the measuring result, when adjusting the angle of the measuring unit 4, the angle adjusting device is used together with the dial 8 and the pointer 9, so that the convenience of adjusting the angle of the measuring unit 4 can be improved, then the movable plate 45 is pressed to contract the spring 44, then the metal sheets 47 on the front side surfaces of the fixed plate 46 and the movable plate 45 are placed between the prosthesis and the gap between the adjacent teeth, the movable plate 45 is released, the spring 44 is stretched to enable the two metal sheets 47 to be clamped in the gap between the prosthesis and the adjacent teeth, the distance sensor 6 is started to measure the force value between the movable plate 45 and the fixed plate 46, then the force value signal is converted into a digital signal and displayed on the display screen 7, thereby facilitating the recording and reference of a doctor, then the measurement is carried out for a plurality of times, then the adjacent gap of the prosthesis is judged and adjusted according to the force value, so, in order to guarantee that the clearance can not too pine and lead to stopping up the tooth, also can not too tightly and lead to the patient interlock uncomfortable simultaneously, at the measurement process, start light 10, light 10 can provide the illumination when measuring, makes the doctor can observe more clearly, and the left side of bottom plate 1 upper surface still is equipped with waste material box 12, and waste material box 12 can be unified with medical waste and retrieve, prevents that it from mixing together polluted environment with other rubbish.

It should be noted that the controller 13 disclosed in this embodiment is a type PIC32MX 695F 512H, the motor 21 can be freely configured according to the actual application scenario, a 50BYJ46Z permanent magnet deceleration stepper motor manufactured by shenjue electric products, ltd, japan is suggested, the distance sensor 6 can be a reflection type distance sensor manufactured by seiko-zen optical technology, ltd, the specific type UR1501, and the controller 13 controls the motor 21 and the distance sensor 6 to operate by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dentistry's crown is restoreed and is adjoint clearance dynamometer which characterized in that: comprises a bottom plate (1), a lifting unit (2), a rotating unit (3) and a controller (13);

base plate (1): the middle part of the front side surface of the bottom plate (1) is provided with a controller (13);

lifting unit (2): the lifting unit (2) comprises a motor (21), a fixed block (22), a screw rod (23), a movable block (24) and a mounting plate (25), the bottom end of the fixed block (22) is connected with the middle part of the upper surface of the bottom plate (1), the front side surface of the fixed block (22) is provided with a groove, a screw rod (23) is rotationally connected in the groove, the bottom end of the motor (21) is connected with the top end of the fixed block (22), the output shaft of the motor (21) is connected with the top end of the screw rod (23), the movable block (24) is connected with the groove on the front side surface of the fixed block (22) in a sliding way, the screw hole on the side surface of the movable block (24) is in threaded connection with the screw rod (23), the front side surface of the movable block (24) is connected with the middle part of the rear side surface of the mounting plate (25), the front side surface of the mounting plate (25) is provided with a rotating unit (3), and the top end of the mounting plate (25) is provided with a fixing unit (5);

wherein: the input end of the motor (21) is electrically connected with the output end of the controller (13), and the input end of the controller (13) is electrically connected with the output end of an external power supply.

2. The dental crown restoration abutment gap load cell of claim 1, wherein: the rotating unit (3) comprises a rotating wheel (31), two connecting plates (32), a worm (33), a gear (34), a connecting rod (35) and a supporting plate (36), the two connecting plates (32) are correspondingly arranged on the front side surface of the mounting plate (25) in a left-right mode, the worm (33) is connected between the two connecting plates (32) in a rotating mode, the rotating wheel (31) is located at the right end of the connecting plate (32) on the right side, the left side end of the rotating wheel (31) is connected with the right end of the worm (33), the middle of the rear side surface of the gear (34) is connected with the top end of the front side surface of the mounting plate (25) in a rotating mode through a shaft, the gear (34) is meshed with the outer side of the worm (33), the left end and the right end of the rear side surface of the supporting plate (36) are respectively connected with the front side ends of the two connecting plates (32), a through hole is formed in the, the front side end of the connecting rod (35) penetrates through a through hole in the middle of the supporting plate (36) and is provided with a measuring unit (4).

3. The dental crown restoration abutment gap load cell of claim 2, wherein: the measuring unit (4) comprises a mounting block (41), a T-shaped sliding block (42), an expansion link (43), a spring (44), a movable plate (45), a fixed plate (46) and a metal sheet (47), the middle part of the back side surface of the mounting block (41) is connected with the front side end of the connecting rod (35), the left end of the front side surface of the mounting block (41) is provided with a T-shaped sliding groove which is connected with a T-shaped sliding block (42) in a sliding way, a front side end movable plate (45) of the T-shaped sliding block (42), a fixed plate (46) is arranged at the right end of the front side surface of the mounting block (41), the left side surface of the fixed plate (46) is connected with the right side end of the telescopic rod (43), the left end of the telescopic rod (43) is connected with the right side surface of the movable plate (45), the spring (44) is sleeved on the outer side of the telescopic rod (43), and metal sheets (47) are arranged at the front side ends of the movable plate (45) and the fixed plate (46).

4. The dental crown restoration abutment gap load cell of claim 1, wherein: fixed unit (5) contain bracing piece (51), pivot (52), connecting block (53) and fixture block (54), connecting block (53) have two and control the top of corresponding establishing mounting panel (25), rotate between two connecting blocks (53) and be connected with pivot (52), the outside middle part of pivot (52) and the back side fixed connection of connecting block (53), the bottom front side of connecting block (53) is equipped with fixture block (54).

5. The dental crown restoration abutment gap load cell according to claim 3, wherein: still include distance sensor (6) and display screen (7), the left surface at fixed plate (46) is established in distance sensor (6), the middle part at fixed block (22) right flank is established in display screen (7), the input of output electric connection controller (13) of distance sensor (6), the output of input electric connection controller (13) of display screen (7).

6. The dental crown restoration abutment gap load cell of claim 2, wherein: still include calibrated scale (8) and pointer (9), the right flank of connecting plate (32) on right side is established in calibrated scale (8), the outside at runner (31) is established in pointer (9), pointer (9) cooperate with calibrated scale (8).

7. The dental crown restoration abutment gap load cell according to claim 3, wherein: the multifunctional lamp is characterized by further comprising a supporting block (11) and an illuminating lamp (10), the lower end of the supporting block (11) is connected with the middle of the top end of the mounting block (41), the illuminating lamp (10) is arranged at the top end of the supporting block (11), and the input end of the illuminating lamp (10) is electrically connected with the output end of the controller (13).

8. The dental crown restoration abutment gap load cell of claim 1, wherein: the waste material box (12) is further included, and the waste material box (12) is arranged on the left side of the upper surface of the bottom plate (1).