CN217772302U

CN217772302U - Oral cavity expanding device for department of stomatology

Info

Publication number: CN217772302U
Application number: CN202220420775.4U
Authority: CN
Inventors: 冯陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-11-11
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses an oral cavity expanding device for department of stomatology, including grab handle, first expansion frame and second expansion frame, the surface connection of grab handle has adjusting gear, and adjusting gear's the outside has the handle to butt joint, one side at grab handle top is fixed with first expansion frame, and one side that the grab handle is close to adjusting gear is provided with second expansion frame to the outside of second expansion frame one end is provided with the driving rack. This oral cavity expanding device is used to department of stomatology, drive the driving rack meshing transmission of adjusting gear and second expansion frame one end through the operation handle, thereby make the traction block on first expansion frame and the second expansion frame open the mouth to both sides, when the operation handle loosens, tighten up spring pulling stop gear and near the gag lever post, thereby stop gear realizes restricting the reverse rotation of adjusting gear, the hand grips when on the anti-skidding cover, through the connecting rod on spacing arch and the operation handle at both ends about the anti-skidding cover, can avoid causing when operating this oral cavity expanding device and drop.

Description

Oral cavity expanding device for department of stomatology

Technical Field

The utility model relates to an oral cavity branch of academic or vocational study apparatus technical field specifically is an oral cavity expanding device is used to department of stomatology.

Background

The department of stomatology is mainly divided into oral surgery, department of stomatology and oral cavity restoration. When the department of stomatology inspects and treats, the mouth of the patient needs to be opened to a certain opening degree, so that a doctor can conveniently inspect and treat the illness state in the oral cavity of the patient through the instrument. During the treatment of oral diseases, it is difficult to open the mouth to a certain degree by the patient himself, and the opening time cannot be controlled, so that the corresponding oral cavity expanding device is needed for auxiliary operation. Conventional oral cavity expansion devices also have some drawbacks in use, such as:

according to the patent number: CN202020223687.6 is a medical oral cavity expansion device for department of stomatology, which can limit the tongue of a patient through the matching among a U-shaped plate, a transverse plate and a plate body, so that the situation that the patient feels uncomfortable and the tongue moves in the oral cavity when the doctor examines the oral cavity of the patient is avoided, and the medical oral cavity expansion device for department of stomatology is convenient for the doctor to carry out handheld operation and the patient to carry out handheld operation and the oral cavity examination;

the technical scheme also has the following problems:

1. the oral cavity dilating device for the department of stomatology is troublesome to operate and use;

2. the oral cavity expanding device for the department of stomatology is easy to slip and fall off during operation;

therefore, improvements are made to the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oral cavity expansion device for department of stomatology to solve the oral cavity expansion device for department of stomatology that above-mentioned background art provided and operate and use comparatively troublesome, the problem that drops is skidded easily with oral cavity expansion device for department of stomatology when the operation.

In order to achieve the above object, the utility model provides a following technical scheme: an oral cavity expansion device for stomatology department comprises a grab handle, a first expansion frame and a second expansion frame, wherein the surface of the grab handle is connected with an adjusting gear, the outer side of the adjusting gear is in butt joint with an operating handle, the first expansion frame is fixed on one side of the top of the grab handle, the second expansion frame is arranged on one side of the grab handle close to the adjusting gear, and a transmission rack is arranged on the outer side of one end of the second expansion frame;

the top of first expansion frame and second expansion frame all is provided with the traction block, the below of second expansion frame is provided with limit gear, and limit gear's one end is connected with the surface of grab handle, one side that limit gear kept away from the grab handle is provided with dials the board, one side that limit gear kept away from the second expansion frame is provided with the gag lever post, and the gag lever post with dial and be connected with between the board and tighten up the spring, it has reset spring to dock between grab handle and the operation handle.

Preferably, the one end of second expansion frame is passed through the transmission rack and is engaged with the adjusting gear and connect, the piece of drawing is "U" style of calligraphy structure, is "U" style of calligraphy through setting up the piece of drawing, carries out anti-skidding and anti-migration when conveniently drawing piece and patient's mouth butt joint.

Preferably, limiting gear is fan-shaped structure, and is connected for the meshing between limiting gear and the adjusting gear, through carrying out meshing connection with limiting gear and adjusting gear to can restrict the rotation of adjusting gear through limiting gear.

Preferably, limit gear is swivelling joint through tightening up spring and grab handle, the action handle is swivelling joint through reset spring and grab handle, when the action handle unclamped, tightens up spring pulling limit gear and tightly carries out the reverse rotation restriction to adjusting gear on the gag lever post, makes things convenient for this expansion device to have the spacing effect of opening, otherwise, dials the board through promoting and drives limit gear and break away from the meshing with adjusting gear, under reset spring's assistance, can make things convenient for the action handle to reset to initial position.

Preferably, one side top of operation handle is fixed with the connecting rod, one side that the operation handle was kept away from to the grab handle is provided with the lug, and the lug is equidistant distribution, and the antiskid cover has been cup jointed in the outside of grab handle, and the outside both ends symmetry of antiskid cover is provided with spacing arch to the antiskid cover adopts the rubber material, through setting up antiskid cover and connecting rod, makes the connecting rod can hang on the finger, avoids causing when operating this oral cavity expanding unit and drops.

Preferably, the draw-in groove has been seted up to contained angles such as the inner wall of antiskid cover, and the size of draw-in groove is identical with the size of lug to lug and draw-in groove are the block and connect, set up the lug through the equidistant interval in the one side edge of grab handle, and connect the antiskid cover in the outside of grab handle, thereby make the inboard draw-in groove of antiskid cover and the lug of grab handle one side stabilize the butt joint, and then make things convenient for the antiskid cover to stabilize the assembly on the grab handle.

Compared with the prior art, the beneficial effects of the utility model are that: this oral cavity expanding device is used to department of stomatology, drive the driving rack meshing transmission of adjusting gear and second expansion frame one end through the operation handle, thereby make the traction block on first expansion frame and the second expansion frame open the mouth to both sides, when the operation handle loosens, tighten up spring pulling stop gear and near the gag lever post, thereby stop gear realizes restricting the reverse rotation of adjusting gear, the hand grips when on the anti-skidding cover, through the connecting rod on spacing arch and the operation handle at both ends about the anti-skidding cover, can avoid causing when operating this oral cavity expanding device and drop.

1. The oral cavity expanding device for the department of stomatology is held on the grab handle by one hand, fingers are tightly held on the operating handle to be tightened, so that the operating handle drives the adjusting gear and the transmission rack at one end of the second expansion frame to be meshed for transmission, the traction blocks on the first expansion frame and the second expansion frame open the mouth parts towards two sides, when the mouth part of a patient is opened to a proper opening degree, the operating handle is loosened, the tightening spring pulls the limiting gear to abut against the limiting rod, the limiting gear limits the reverse rotation of the adjusting gear, and therefore, a stomatologist can conveniently use the oral cavity expanding device to inspect and treat the oral cavity by one hand;

2. this department of stomatology uses oral cavity expanding device sets up the lug through the equidistant of an edge at the grab handle to connect the antiskid cover in the outside of grab handle, make the inboard draw-in groove of antiskid cover and the lug of grab handle one side stabilize the butt joint, thereby the hand grips when on the antiskid cover, prevents skidding through the spacing arch at both ends about the antiskid cover, and fixed connection pole on the handle simultaneously makes the connecting rod can hang on the finger, avoids causing when operating this oral cavity expanding device and drops.

Drawings

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

FIG. 2 is a schematic structural view of the cross section of the present invention;

FIG. 3 is a right side view of the structure of the present invention;

fig. 4 is a schematic structural view of a front cross section of the butt joint of the adjusting gear and the second expansion frame of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the traction block of the present invention.

In the figure: 1. a grab handle; 2. an adjusting gear; 3. an operating handle; 4. a first expansion frame; 5. a second expansion frame; 6. a drive rack; 7. a traction block; 8. a limit gear; 9. dialing a plate; 10. a limiting rod; 11. tightening the spring; 12. a return spring; 13. a connecting rod; 14. a bump; 15. an anti-slip sleeve; 16. a limiting bulge; 17. a clamping groove.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an oral cavity expanding device for department of stomatology, including grab handle 1, first expansion frame 4 and second expansion frame 5, the surface connection of grab handle 1 has adjusting gear 2, and adjusting gear 2's the outside is to having operation handle 3, one side at 1 top of grab handle is fixed with first expansion frame 4, and one side that grab handle 1 is close to adjusting gear 2 is provided with second expansion frame 5, and the outside of 5 one end of second expansion frame is provided with driving rack 6, the top of first expansion frame 4 and second expansion frame 5 all is provided with traction block 7, the below of second expansion frame 5 is provided with stop gear 8, and stop gear 8's one end is connected with the surface of grab handle 1, one side that grab handle 1 was kept away from to stop gear 8 is provided with dials board 9, one side that second expansion frame 5 was kept away from to stop gear 8 is provided with gag lever 10, and be connected with between gag lever 10 and the group board 9 and tighten up spring 11, it has reset spring 12 to dock between grab handle 1 and the operation handle 3.

One end of the second expansion frame 5 is meshed and connected with the adjusting gear 2 through a transmission rack 6, and the traction block 7 is in a U-shaped structure; the limiting gear 8 is of a fan-shaped structure, and the limiting gear 8 is in meshed connection with the adjusting gear 2; the limit gear 8 is in rotary connection with the grab handle 1 through a tightening spring 11, and the operation handle 3 is in rotary connection with the grab handle 1 through a return spring 12.

Holding on grab handle 1 with one hand, the finger grips tightly and tightens up at operation handle 3, thereby make operation handle 3 drive adjusting gear 2 rotatory, rotatory adjusting gear 2 and the transmission rack 6 of the 5 one ends of second expansion frame mesh the transmission, thereby drive second expansion frame 5 outwards rotation, thereby make the traction block 7 on first expansion frame 4 and the second expansion frame 5 open the mouth to both sides, and simultaneously, adjusting gear 2 meshes with sectorial limiting gear 8, make limiting gear 8 pulling tighten up spring 11 keep away from gag lever post 10, when patient's mouth is opened to suitable opening, loosen operation handle 3, tighten up spring 11 pulling limiting gear 8 and near gag lever post 10, thereby limiting gear 8 realizes restricting the reverse rotation of adjusting gear 2, when accomplishing oral treatment, promote dial plate 9 on limiting gear 8 through the finger, make dial plate 9 drive limiting gear 8 break away from with the meshing of adjusting gear 2, under reset spring 12's promotion, can make things convenient for operation handle 3 of grab handle 1 one side to reset fast, can realize first expansion frame 4 and second expansion frame 5 and then make things convenient for the oral cavity to expand the normal position and use this oral cavity quick operation device.

A connecting rod 13 is fixed above one side of the operating handle 3, bumps 14 are arranged on one side of the grab handle 1 away from the operating handle 3, the bumps 14 are distributed at equal intervals, an anti-skid sleeve 15 is sleeved on the outer side of the grab handle 1, limiting bulges 16 are symmetrically arranged at two ends of the outer side of the anti-skid sleeve 15, and the anti-skid sleeve 15 is made of rubber; the inner wall of the anti-slip sleeve 15 is provided with a clamping groove 17 at equal included angles, the size of the clamping groove 17 is matched with that of the projection 14, and the projection 14 is connected with the clamping groove 17 in a clamping manner.

Set up lug 14 through the equidistant lug that sets up in the edge of one side of grab handle 1, and connect antiskid cover 15 in the outside of grab handle 1, make the inboard draw-in groove 17 of antiskid cover 15 and the lug 14 of grab handle 1 one side stabilize the butt joint, thereby the hand grips when on antiskid cover 15, prevent skidding through the spacing arch 16 at antiskid cover 15 upper and lower both ends, fixed link 13 on operation handle 3 simultaneously, make connecting rod 13 can hang on the finger, avoid causing when operating this oral cavity extension fixture and drop.

In summary, when the oral cavity dilator for department of stomatology is used, the traction block 7 in the shape of "U" on the first expansion frame 4 and the second expansion frame 5 is abutted against both sides of the mouth of a patient, and the first expansion frame is held on the grip handle 1 with one hand, fingers are tightly held on the operation handle 3 to tighten up, so that the operation handle 3 drives the adjusting gear 2 to rotate, the rotating adjusting gear 2 and the transmission rack 6 at one end of the second expansion frame 5 are in meshing transmission, so that the second expansion frame 5 is driven to rotate outwards, so that the traction block 7 on the first expansion frame 4 and the second expansion frame 5 open the mouth to both sides, when the operation handle 3 is loosened, the tightening spring 11 pulls the limit gear 8 to abut against the limit rod 10, so that the limit gear 8 limits the reverse rotation of the adjusting gear 2, when the hands are held on the anti-slip sleeve 15, the oral cavity dilator can be hung on the fingers for anti-drop protection through the connecting rod 13, which is not described in detail in this specification belongs to the prior art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a department of stomatology uses oral cavity expanding device, includes grab handle (1), first expansion frame (4) and second expansion frame (5), its characterized in that:

the surface of the grab handle (1) is connected with an adjusting gear (2), the outer side of the adjusting gear (2) is in butt joint with an operating handle (3), a first expansion frame (4) is fixed on one side of the top of the grab handle (1), a second expansion frame (5) is arranged on one side of the grab handle (1) close to the adjusting gear (2), and a transmission rack (6) is arranged on the outer side of one end of the second expansion frame (5);

the top of first expansion frame (4) and second expansion frame (5) all is provided with traction block (7), the below of second expansion frame (5) is provided with stop gear (8), and the one end of stop gear (8) is connected with the surface of grab handle (1), one side that grab handle (1) was kept away from in stop gear (8) is provided with dials board (9), one side that second expansion frame (5) was kept away from in stop gear (8) is provided with gag lever post (10), and is connected with between gag lever post (10) and the group board (9) and tightens up spring (11), it has reset spring (12) to dock between grab handle (1) and operation handle (3).

2. The oral cavity dilating device for the department of stomatology of claim 1, wherein: one end of the second expansion frame (5) is meshed and connected with the adjusting gear (2) through a transmission rack (6), and the traction block (7) is of a U-shaped structure.

3. The oral cavity dilating device for the department of stomatology of claim 2, wherein: the limiting gear (8) is of a fan-shaped structure, and the limiting gear (8) is in meshed connection with the adjusting gear (2).

4. The oral cavity dilating device of claim 3, wherein: limiting gear (8) are swivelling joint through tightening up spring (11) and grab handle (1), operation handle (3) are swivelling joint through reset spring (12) and grab handle (1).

5. The oral cavity dilating device for the department of stomatology of claim 1, wherein: a connecting rod (13) is fixed above one side of the operating handle (3), a convex block (14) is arranged on one side of the grab handle (1) far away from the operating handle (3), and the convex blocks (14) are distributed at equal intervals.

6. The oral cavity dilating device of claim 5, wherein: the outer side of the grab handle (1) is sleeved with an anti-slip sleeve (15), two ends of the outer side of the anti-slip sleeve (15) are symmetrically provided with limiting bulges (16), and the anti-slip sleeve (15) is made of rubber.

7. The oral cavity dilating device of claim 6, wherein: the anti-skidding sleeve (15) is provided with clamping grooves (17) at equal included angles on the inner wall, the size of each clamping groove (17) is matched with that of each bump (14), and each bump (14) is connected with each clamping groove (17) in a clamping mode.