Air pressure type mouth gag for children

Abstract

The utility model discloses an air pressure type child mouth gag which comprises a bite block, a tooth groove is formed in the lower portion of the bite block, a movable plate is arranged on the upper portion of the bite block, a rotating shaft is arranged at the joint of the movable plate and the bite block, and the movable plate is rotationally connected with the bite block through the rotating shaft. A movable groove is formed in the tooth cushion, a piston is arranged in the movable groove, and a movable block is arranged on the side face of the piston and is of a trapezoidal structure. The connector is arranged on the side face of the bite block, the breather pipe is arranged in the connector, the one-way valve is arranged on the surface of the breather pipe, the inflation bag is arranged at the tail end of the breather pipe, the movable groove is inflated through the inflation bag, the piston drives the movable block to make contact with the ejector rod, and therefore the ejector rod extends upwards to make contact with the movable plate; the opening size adjusting device is easy and convenient to operate, and the size of the opening size adjusting device can be adjusted at will.

Description

Technical Field

[0001] The utility model relates to the technical field of mouth openers, and more specifically to a pneumatic children's mouth opener. Background Art

[0002] In daily clinical work in the Department of Stomatology, children's dental bite-type mouth openers are widely used. Their main function is to reduce children's mouth opening fatigue through the use of mouth openers. At the same time, bite-type mouth openers can keep children's mouth opening fatigue stable, avoiding medical accidents caused by narrowing of the mouth or sudden closing of the mouth during operation.

[0003] The opening size of the existing occlusal mouth opener is fixed and cannot be adjusted, which is inconvenient to use and operate. Therefore, it is necessary to provide a new technical solution to solve the problem. Utility Model Content

[0004] The utility model aims to provide a pneumatic children's mouth opener, which solves the problem that the opening size of the existing bite-type mouth opener is fixed, cannot be adjusted, and is inconvenient to use and operate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pneumatic children's mouth opener, comprising: a tooth pad, a tooth groove is arranged at the lower part of the tooth pad and a movable plate is arranged at the upper part, a rotating shaft is arranged at the connection between the movable plate and the tooth pad, and the movable plate is rotatably connected to the tooth pad through the rotating shaft, a movable groove is arranged inside the tooth pad, and a piston is arranged inside the movable groove, a movable block is arranged on the side of the piston, and the movable block is arranged in a trapezoidal structure, a push rod is inserted into the inside of the movable groove, and a bevel matching the movable block is arranged at the bottom of the push rod, the top of the push rod is in contact with the movable plate, a connector is arranged on the side of the tooth pad, and a ventilation tube is arranged inside the connector, a one-way valve is arranged on the surface of the ventilation tube, and an inflatable bag is arranged at the end.

[0006] As a preferred embodiment of the utility model, a spring column is arranged inside the movable groove and a top plate is arranged on the side of the spring column, and the top plate is located on the side of the push rod.

[0007] As a preferred embodiment of the present invention, a protective pad is provided on the surface of the movable plate and the protective pad is fixedly connected to the movable plate.

[0008] As a preferred embodiment of the present invention, an exhaust valve is provided on the side of the connector and the exhaust valve and the movable groove are communicated with each other.

[0009] As a preferred embodiment of the utility model, the exhaust valve comprises an exhaust hole and a ball valve is arranged inside the exhaust hole, a connecting rod is arranged on the side of the ball valve and a fixing plate is arranged on the side of the connecting rod.

[0010] As a preferred embodiment of the utility model, a return spring is arranged on the side of the ball valve and the ball valve is telescopically connected to the exhaust hole through the return spring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model provides a tooth groove at the lower part of the tooth pad and a movable plate at the upper part, a rotating shaft is provided at the connection between the movable plate and the tooth pad, and the movable plate is rotatably connected with the tooth pad through the rotating shaft, a movable groove is provided inside the tooth pad, and a piston is provided inside the movable groove, a movable block is provided on the side of the piston, and the movable block is arranged in a trapezoidal structure, a push rod is inserted in the inside of the movable groove, and a hypotenuse matching the movable block is provided at the bottom of the push rod, the top of the push rod is in contact with the movable plate, a connecting head is provided on the side of the tooth pad, and a ventilation pipe is provided inside the connecting head, a one-way valve is provided on the surface of the ventilation pipe, and an inflatable bag is provided at the end, and air is inflated in the movable groove of the inflatable bag box, so that the piston drives the movable block and the push rod to contact each other, so that the push rod is extended upward to contact the movable plate, the movable plate is rotated, and the rotating angle is adjusted to realize the adjustment of the opening size. The device is simple and convenient to operate, and the size can be adjusted arbitrarily. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a side view of the structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the exhaust valve structure of the utility model.

[0017] In the figure: 1. tooth pad; 2. movable plate; 3. protective pad; 4. tooth socket; 5. connector; 6. one-way valve; 7. exhaust valve; 8. ventilation pipe; 9. inflatable bag; 10. push rod; 11. piston; 12. movable block; 13. rotating shaft; 14. movable groove; 15. spring column; 16. top plate; 17. exhaust hole; 18. connecting rod; 19. fixed plate; 20. ball valve; 21. reset spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a pneumatic children's mouth opener, comprising: a tooth pad 1, a tooth socket 4 is arranged at the lower part of the tooth pad 1 and a movable plate 2 is arranged at the upper part, a rotating shaft 13 is arranged at the connection between the movable plate 2 and the tooth pad 1, and the movable plate 2 is rotatably connected to the tooth pad 1 through the rotating shaft 13, a movable groove 14 is arranged inside the tooth pad 1, and a piston 11 is arranged inside the movable groove 14, a movable block 12 is arranged on the side of the piston 11, and the movable block 12 is arranged in a trapezoidal structure, a push rod 10 is inserted into the inside of the movable groove 14, and a bevel matching the movable block 12 is arranged at the bottom of the push rod 10, the top of the push rod 10 is in contact with the movable plate 2, a connector 5 is arranged on the side of the tooth pad 1, and a ventilation pipe 8 is arranged inside the connector 5, a one-way valve 6 is arranged on the surface of the ventilation pipe 8, and an inflatable bag 9 is arranged at the end, a tooth socket 4 is arranged at the lower part of the tooth pad 1 and a movable plate 2 is arranged at the upper part, and the movable plate 2 and the tooth pad 1 are connected. A rotating shaft 13 is provided at the connection of the tooth pad 1, and the movable plate 2 is rotatably connected with the tooth pad 1 through the rotating shaft 13. A movable groove 14 is provided inside the tooth pad 1, and a piston 11 is provided inside the movable groove 14. A movable block 12 is provided on the side of the piston 11, and the movable block 12 is arranged in a trapezoidal structure. A push rod 10 is inserted into the inside of the movable groove 14, and the bottom of the push rod 10 is provided with a hypotenuse matching the movable block 12. The top of the push rod 10 is in contact with the movable plate 2. A connecting head 5 is provided on the side of the tooth pad 1, and a ventilation pipe 8 is provided inside the connecting head 5. A one-way valve 6 is provided on the surface of the ventilation pipe 8, and an inflatable bag 9 is provided at the end. The inflatable bag 9 is inflated in the movable groove 14, so that the piston 11 drives the movable block 12 to contact each other with the push rod 10, so that the push rod 10 extends upward and contacts with the movable plate 2, so that the movable plate 2 is rotated, and the rotation angle is adjusted to achieve the adjustment of the opening size. The device is simple and convenient to operate, and the size can be adjusted arbitrarily.

[0020] Further improvements, such as Figure 3 As shown, a spring column 15 is arranged inside the movable groove 14 and a top plate 16 is arranged on the side of the spring column 15. The top plate 16 is located on the side of the push rod 10. This arrangement can reset the piston 11.

[0021] Further improvements, such as Figure 1As shown: a protective pad 3 is arranged on the surface of the movable plate 2 and the protective pad 3 is fixedly connected to the movable plate 2. This arrangement reduces damage to teeth.

[0022] Further improvements, such as Figure 1 As shown: an exhaust valve 7 is arranged on the side of the connector 5 and the exhaust valve 7 is communicated with the movable groove 14. This arrangement can release pressure, thereby resetting the movable plate 2.

[0023] Further improvements, such as Figure 4 As shown: the exhaust valve 7 includes an exhaust hole 17 and a ball valve 20 is arranged inside the exhaust hole 17, a connecting rod 18 is arranged on the side of the ball valve 20 and a fixing plate 19 is arranged on the side of the connecting rod 18, such an arrangement forms a one-way valve 6 structure, which is convenient for exhaust.

[0024] Further improvements, such as Figure 4 As shown: a return spring 21 is arranged on the side of the ball valve 20 and the ball valve 20 is telescopically connected to the exhaust hole 17 through the return spring 21 . This arrangement facilitates the control of the switch of the ball valve 20 .

[0025] Working principle: a tooth groove 4 is arranged at the lower part of the tooth pad 1 and a movable plate 2 is arranged at the upper part, a rotating shaft 13 is arranged at the connection between the movable plate 2 and the tooth pad 1, and the movable plate 2 is rotatably connected to the tooth pad 1 through the rotating shaft 13, a movable groove 14 is arranged inside the tooth pad 1, a piston 11 is arranged inside the movable groove 14, a movable block 12 is arranged on the side of the piston 11, and the movable block 12 is arranged in a trapezoidal structure, a push rod 10 is inserted inside the movable groove 14, and a bevel matching the movable block 12 is arranged at the bottom of the push rod 10, and the push rod 10 The top of the tooth pad 1 is in contact with the movable plate 2, a connector 5 is provided on the side of the tooth pad 1 and a vent 8 is provided inside the connector 5, a one-way valve 6 is provided on the surface of the vent 8 and an air bag 9 is provided at the end, and the air bag 9 is inflated in the movable groove 14 to make the piston 11 drive the movable block 12 and the push rod 10 to contact each other, so that the push rod 10 extends upward and contacts the movable plate 2, so that the movable plate 2 is rotated, and the rotation angle is adjusted to realize the adjustment of the opening size. The device is simple and convenient to operate, and the size can be adjusted arbitrarily.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pneumatic child mouth opener, characterized in that: include: A tooth pad (1) is provided with a tooth groove (4) at the lower part of the tooth pad (1) and a movable plate (2) at the upper part; a rotating shaft (13) is provided at the connection between the movable plate (2) and the tooth pad (1), and the movable plate (2) is rotatably connected to the tooth pad (1) via the rotating shaft (13); a movable groove (14) is provided inside the tooth pad (1), and a piston (11) is provided inside the movable groove (14); a movable block (12) is provided on the side of the piston (11), and the movable block (12) is provided on the side of the piston (11). (12) is arranged in a trapezoidal structure, a push rod (10) is inserted into the interior of the movable groove (14), and the bottom of the push rod (10) is provided with a bevel that matches the movable block (12), the top of the push rod (10) and the movable plate (2) are in contact with each other, a connector (5) is arranged on the side of the tooth pad (1), and a ventilation pipe (8) is arranged inside the connector (5), a one-way valve (6) is arranged on the surface of the ventilation pipe (8), and an inflatable bag (9) is arranged at the end.

2. A pneumatic child mouth opener according to claim 1, characterized in that: A spring column (15) is arranged inside the movable groove (14), and a top plate (16) is arranged on the side of the spring column (15), and the top plate (16) is located on the side of the top rod (10).

3. A pneumatic child mouth opener according to claim 1, characterized in that: A protective pad (3) is provided on the surface of the movable plate (2), and the protective pad (3) is fixedly connected to the movable plate (2).

4. The pneumatic child mouth opener according to claim 1, characterized in that: An exhaust valve (7) is provided on the side of the connector (5), and the exhaust valve (7) and the movable groove (14) are communicated with each other.

5. A pneumatic child mouth opener according to claim 4, characterized in that: The exhaust valve (7) comprises an exhaust hole (17), and a ball valve (20) is arranged inside the exhaust hole (17), a connecting rod (18) is arranged on the side of the ball valve (20), and a fixing plate (19) is arranged on the side of the connecting rod (18).

6. A pneumatic child mouth opener according to claim 5, characterized in that: A return spring (21) is provided on the side of the ball valve (20), and the ball valve (20) is telescopically connected to the exhaust hole (17) via the return spring (21).

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