CN215192371U

CN215192371U - Mouth gag for department of stomatology

Info

Publication number: CN215192371U
Application number: CN202120492743.0U
Authority: CN
Inventors: 周霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-12-17
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to the technical field of department of stomatology, in particular to a mouth gag for department of stomatology, which comprises a placing box, wherein the inner wall of the placing box is rotationally connected with a connecting shaft, the middle part of the circumferential outer wall of the connecting shaft is fixedly connected with a worm gear, the rear end of the inner wall of the placing box is rotationally connected with a worm, the front end of the worm penetrates through the placing box and extends to the outside, the worm gear is meshed with the worm, the left part and the right part of the circumferential outer wall of the connecting shaft are fixedly connected with first bevel gears, each first bevel gear is meshed with a second bevel gear, the top end of each second bevel gear is fixedly connected with a screw, the top end of each screw penetrates through the placing box and extends to the outside, the opposite ends of two connecting blocks positioned at the upper part and the opposite ends of two connecting blocks positioned at the lower part are fixedly connected with supporting plates, the mouth gag can be adjusted according to the expanding size required by doctors, and provide illumination for the inside of the oral cavity of patients, the doctor can conveniently treat the patient.

Description

Mouth gag for department of stomatology

Technical Field

The utility model relates to an oral cavity internal medicine technical field specifically is an oral cavity mouth gag for internal medicine.

Background

As is well known, in the department of stomatology, in order to fully expose the operation site, the mouth gag is necessary to keep the mouth of the patient at a certain opening degree.

Through retrieval, chinese patent publication No. CN203736157U discloses a mouth gag for department of stomatology, which comprises a lateral upper dental fixator, a lateral lower dental fixator, both the thicknesses of the upper dental fixator and the lower dental fixator are 10mm, the left and right sides of the bite part of the upper dental fixator are provided with arc surrounding stoppers i, the left and right sides of the lower dental fixator are provided with arc surrounding stoppers ii, the lower end surface of the bite part of the upper dental fixator is provided with an upper supporting projection with a height of 10mm, the lower end surface of the bite part of the lower dental fixator is provided with a lower supporting projection with a height of 10mm, and the upper dental fixator is connected with one end part of the lower dental fixator into a whole. The utility model discloses rely on the fixed bolster to play the effect and expand and prop the oral cavity, expand and prop the effect ideal, difficult deformation, easily manufacturing.

However, when the device is used, the device cannot be adjusted according to the expansion size required by a doctor, and the inside of the oral cavity is not illuminated, so that the doctor is inconvenient to treat a patient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a can prop the size according to expanding of doctor needs and adjust to provide illumination to patient's oral cavity is inside, the doctor of being convenient for carries out the mouth gag for the oral medicine that treats to the patient.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a mouth gag for department of stomatology comprises a placing box, wherein a connecting shaft is rotatably connected to the inner wall of the placing box, a worm wheel is fixedly connected to the middle of the circumferential outer wall of the connecting shaft, a worm is rotatably connected to the rear end of the inner wall of the placing box, the front end of the worm penetrates through the placing box and extends to the outside, the worm wheel is meshed with the worm, first bevel gears are fixedly connected to the left part and the right part of the circumferential outer wall of the connecting shaft, each first bevel gear is meshed with a second bevel gear, a screw rod is fixedly connected to the top end of each second bevel gear, the top end of each screw rod penetrates through the placing box and extends to the outside, the threads of each screw rod are opposite, the threads of the upper part and the threads of the lower part of each screw rod are opposite, two connecting blocks are connected to the circumferential outer wall of each screw rod through threads, supporting plates are fixedly connected to the opposite ends of the two connecting blocks positioned on the upper part and the opposite ends of the two connecting blocks positioned on the lower part, each the equal fixedly connected with connecting plate in rear end of fagging, each the alveolus has all been seted up to the end of carrying on the back of the body of connecting plate to the fixed slot has all been seted up at the middle part of each connecting plate, each the equal sliding fit of inner wall of fixed slot has a limiting plate, each the equal fixedly connected with spring of the end of the back of the body of limiting plate, and the connecting hole has all been seted up to the looks remote site of each connecting plate, and the equal fixedly connected with slide bar of the remote site of each limiting plate, each the remote site of slide bar all runs through corresponding connecting plate and extends to corresponding inside of connecting hole, and the equal fixedly connected with day light of the remote site of each slide bar.

Preferably, the reverse ends of the connecting plates are provided with chamfers.

Preferably, the front end of the worm is fixedly connected with a rotating rod.

Preferably, the outer side wall of the rotating rod is provided with anti-skid grains.

Preferably, a limiting plate is fixedly connected to the top end of each screw.

Preferably, the spring is made of carbon steel.

(III) advantageous effects

Compared with the prior art, the utility model provides an oral cavity mouth gag for internal medicine possesses following beneficial effect: bite the alveolus through patient's tooth, then rotate the worm through the user, the worm drives the worm wheel and rotates, the worm wheel drives the connecting axle and rotates, the connecting axle drives first conical gear and rotates, first conical gear drives second conical gear and rotates, second conical gear drives the screw rod and rotates, the screw rod drives the connecting block and removes, the connecting block drives the fagging and removes, the fagging drives the connecting plate and removes, the connecting plate drives the tooth of patient and wants the direction removal of carrying on the back mutually, and then open patient's oral cavity, reached can expand according to doctor's needs and prop the effect that the size was adjusted, and the light that provides through the sunshine lamp can make the user see the inside condition in oral cavity, reached and provided illumination to patient's oral cavity inside, be convenient for the doctor to carry out the effect of treatment to the patient.

Drawings

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic diagram of the right-side cross-sectional structure of the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 3 according to the present invention.

In the figure: 1. placing a box; 2. a connecting shaft; 3. a worm gear; 4. a worm; 5. a first bevel gear; 6. a second bevel gear; 7. a screw; 8. connecting blocks; 9. a supporting plate; 10. a connecting plate; 11. a limiting plate; 12. a spring; 13. a slide bar; 14. a daylight lamp; 15. a rotating rod; 16. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the utility model relates to a mouth gag for department of stomatology, comprising a placing box 1, wherein the inner wall of the placing box 1 is rotatably connected with a connecting shaft 2, the middle part of the circumferential outer wall of the connecting shaft 2 is fixedly connected with a worm wheel 3, the rear end of the inner wall of the placing box 1 is rotatably connected with a worm 4, the front end of the worm 4 penetrates through the placing box 1 and extends to the outside, the worm wheel 3 is meshed with the worm 4, the left part and the right part of the circumferential outer wall of the connecting shaft 2 are fixedly connected with a first bevel gear 5, each first bevel gear 5 is meshed with a second bevel gear 6, the top end of each second bevel gear 6 is fixedly connected with a screw 7, the top end of each screw 7 penetrates through the placing box 1 and extends to the outside, the threads of each screw 7 are opposite, the threads of the upper part and the lower part of each screw 7 are opposite, the circumferential outer wall of each screw 7 is connected with two connecting blocks 8 through threads, the looks remote site that is located two connecting blocks 8 on upper portion and the equal fixedly connected with fagging 9 of looks remote site of two connecting blocks 8 that are located the lower part, the equal fixedly connected with connecting plate 10 in rear end of each fagging 9, the alveolus has all been seted up to the looks back end of each connecting plate 10, and the fixed slot has all been seted up at the middle part of each connecting plate 10, the equal sliding fit of inner wall of each fixed slot has limiting plate 11, the equal fixedly connected with spring 12 of the looks back end of each limiting plate 11, the connecting hole has all been seted up to the looks remote site of each connecting plate 10, and the equal fixedly connected with slide bar 13 of looks remote site of each limiting plate 11, the inside that corresponding connecting plate 10 and extended to corresponding connecting hole is all run through to the looks remote site of each slide bar 13, and the equal fixedly connected with day illuminator 14 of the remote site of each slide bar 13.

Furthermore, chamfers are arranged at the back ends of the connecting plates 10, the occurrence of the condition that lips of a patient are damaged can be reduced by arranging the chamfers, the rotating rod 15 is fixedly connected to the front end of the worm 4, the worm 4 can be conveniently rotated by a user through the rotating rod 15, anti-slip grains are arranged on the outer side wall of the rotating rod 15, the occurrence of the condition that the rotating rod 15 falls off in the hand of the user can be reduced through the anti-slip grains, the top end of each screw 7 is fixedly connected with a limiting plate 16, the occurrence of the condition that the supporting plate 9 is separated from the screw 7 can be reduced through the limiting plate 16, and the springs 12 are made of carbon steel which is characterized by low plasticity, strong elasticity and strong stress resistance; bite the alveolus through patient's tooth, then rotate worm 4 through the user, worm 4 drives worm wheel 3 and rotates, worm wheel 3 drives connecting axle 2 and rotates, connecting axle 2 drives first conical gear 5 and rotates, first conical gear 5 drives second conical gear 6 and rotates, second conical gear 6 drives screw rod 7 and rotates, screw rod 7 drives connecting block 8 and removes, connecting block 8 drives fagging 9 and removes, fagging 9 drives connecting plate 10 and removes, connecting plate 10 drives patient's tooth and wants the direction removal of carrying on the back mutually, and then open patient's oral cavity, the effect that can adjust according to expanding of doctor's needs size has been reached, and the light that provides through day light 14 can make the user see the inside condition in oral cavity, it provides illumination to patient's oral cavity inside to have reached, be convenient for the doctor to carry out the effect of treatment to the patient.

In summary, the operation principle and the operation process of the mouth gag for the department of stomatology are that, when in use, firstly, the teeth of the patient bite the alveolus, then the user rotates the worm 4, the worm 4 drives the worm wheel 3 to rotate, the worm wheel 3 drives the connecting shaft 2 to rotate, the connecting shaft 2 drives the first bevel gear 5 to rotate, the first bevel gear 5 drives the second bevel gear 6 to rotate, the second bevel gear 6 drives the screw 7 to rotate, the screw 7 drives the connecting block 8 to move, the connecting block 8 drives the supporting plate 9 to move, the supporting plate 9 drives the connecting plate 10 to move, the connecting plate 10 drives the teeth of the patient to move in the opposite direction, so as to open the oral cavity of the patient, and then the oral cavity of the patient is treated through the illumination of the daylight lamp 14.

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 an oral cavity mouth gag for internal medicine, is including placing case (1), its characterized in that: the inner wall of the placing box (1) is rotatably connected with a connecting shaft (2), the middle part of the circumferential outer wall of the connecting shaft (2) is fixedly connected with a worm wheel (3), the rear end of the inner wall of the placing box (1) is rotatably connected with a worm (4), the front end of the worm (4) penetrates through the placing box (1) and extends to the outside, the worm wheel (3) is meshed with the worm (4), the left part and the right part of the circumferential outer wall of the connecting shaft (2) are fixedly connected with first conical gears (5), each first conical gear (5) is meshed with a second conical gear (6), the top end of each second conical gear (6) is fixedly connected with a screw rod (7), the top end of each screw rod (7) penetrates through the placing box (1) and extends to the outside, the threads of each screw rod (7) are opposite, and the threads of the upper part and the lower part of each screw rod (7) are opposite, the outer wall of the circumference of each screw rod (7) is connected with two connecting blocks (8) through threads, the opposite ends of the two connecting blocks (8) positioned on the upper part and the opposite ends of the two connecting blocks (8) positioned on the lower part are fixedly connected with supporting plates (9), the rear end of each supporting plate (9) is fixedly connected with a connecting plate (10), the opposite ends of each connecting plate (10) are respectively provided with tooth grooves, the middle part of each connecting plate (10) is respectively provided with a fixing groove, the inner wall of each fixing groove is respectively matched with a limiting plate (11) in a sliding way, the opposite ends of each limiting plate (11) are respectively fixedly connected with a spring (12), the opposite ends of each connecting plate (10) are respectively provided with a connecting hole, the opposite ends of each limiting plate (11) are respectively and fixedly connected with a sliding rod (13), and the opposite ends of each sliding rod (13) penetrate through the corresponding connecting plates (10) and extend to the inside of the corresponding connecting holes, and the opposite end of each slide rod (13) is fixedly connected with a daylight lamp (14).

2. The mouth gag for department of stomatology according to claim 1, characterized in that: chamfers are arranged at the back ends of the connecting plates (10).

3. The mouth gag for department of stomatology according to claim 2, characterized in that: the front end of the worm (4) is fixedly connected with a rotating rod (15).

4. The mouth gag for department of stomatology according to claim 3, characterized in that: the outer side wall of the rotating rod (15) is provided with anti-skid grains.

5. The mouth gag for department of stomatology according to claim 4, characterized in that: the top end of each screw rod (7) is fixedly connected with a limiting plate (16).

6. The mouth gag for department of stomatology according to claim 5, characterized in that: the material of each spring (12) is carbon steel.