CN115414584A

CN115414584A - Oral cavity retractor that multi-angle was adjusted

Info

Publication number: CN115414584A
Application number: CN202210947504.9A
Authority: CN
Inventors: 嵇海虹; 鲍海
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-02

Abstract

The invention discloses an oral cavity retractor capable of being adjusted in multiple angles, which comprises: the tensioning mechanism is an arc-shaped rod with two end parts rotatably connected, and the arc-shaped rods can be outwards tensioned; the two positioning plates are respectively and rotatably connected with the two arc-shaped rods, so that the angle of the positioning plate can be adjusted, and the positioning plate is of an arc-shaped plate structure of which the surface is provided with a plurality of mounting holes; the two supporting mechanisms are detachably arranged on the mounting hole respectively and comprise two supporting plates. In the using process of the invention, the adjustable elastic metal strips are added on the outer side edges of the supporting plates through the arranged supporting plates, when the upper and lower ends of the two elastic metal strips are pressed towards opposite directions, the upper and lower ends of the supporting plates also move towards opposite directions, the distance of the crescent part of the supporting plates can be reduced, and the included angle between the middle sections of the crescent part is also reduced, so that the adjustment of the opening size of the groove end of the supporting plates is realized, and the adjustment is carried out aiming at people with different mouth sizes.

Description

Oral cavity retractor that multi-angle was adjusted

Technical Field

The invention relates to the technical field of oral retractors, in particular to an oral retractor capable of being adjusted in multiple angles.

Background

Oral cavity retractor is at oral care's in-process, and the instrument of supplementary mouth opening expands the back to the mouth, and the medical personnel of being convenient for nurse the oral cavity, but present oral cavity retractor mainly divide into following two kinds: firstly, the hook is in a pulling hook type; secondly, the expansion type; however, the above two types of retractors are both in a drawback, which is mainly embodied in that the adjustment of the angle cannot be realized, specifically, the opening angles of the retractor and the expansion piece are fixed for the angle adjustment of different mouth sizes, and since the mouth opening degrees of each person are different, the opening angles are fixed, so that when the retractors with different opening angles are used for different mouth opening sizes (for example, the mouth opening of an adult is larger than that of a child), the retractors with different opening angles are needed, and the discomfort of the user is caused by the mismatch of the sizes. To this end, we propose a multi-angle adjustable oral retractor.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a multi-angle adjustable oral retractor.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multi-angle adjustable oral retractor, comprising:

the tensioning mechanism is an arc-shaped rod with two end parts rotatably connected, and the two arc-shaped rods can be outwards tensioned;

the two positioning plates are respectively and rotatably connected with the two arc-shaped rods, so that the angle of the positioning plate can be adjusted, and the surface of the positioning plate is provided with an arc-shaped plate structure with a plurality of mounting holes;

the two support mechanisms are respectively detachably arranged on the mounting hole and comprise two support plates, the support plates are of flexible colloid structures and comprise inner support plates arranged in the oral cavity, outer support plates arranged outside the oral cavity and support grooves for supporting the mouth corners;

the inside parcel of outward flange of backup pad has the elastic metal strip of bendable elasticity, realizes the adjustment of backup pad groove end opening size.

Preferably, the arc-shaped rod comprises a first arc-shaped rod and a second arc-shaped rod;

the first arc-shaped rod is rotatably connected with one end of the second arc-shaped rod, and the other ends of the first arc-shaped rod and the second arc-shaped rod are rotatably connected with the positioning plate;

the connection parts of the first arc-shaped rod and the second arc-shaped rod and the positioning plate are in threaded connection with locking bolts for fixing the positioning plate after the angle is adjusted;

the first arc-shaped rod and the second arc-shaped rod are elastically connected.

Preferably, one sides of the first arc-shaped rod and the second arc-shaped rod close to the positioning plate are connected with tension springs;

one end of the tension spring is connected with the first arc-shaped rod, and the other end of the tension spring is connected with the second arc-shaped rod, so that the mouth is opened by the two support plates in the opposite direction.

Preferably, the end parts of the tension springs are fixedly provided with connectors, and one ends of the connectors, which are far away from the tension springs, are rotatably connected with adjusting bolts;

the first arc-shaped rod and one side of the second arc-shaped rod, which is close to the tension spring, are fixedly provided with internal thread sleeves in threaded connection with the adjusting bolts for adjusting the tensile strength of the tension spring.

Preferably, the plate surface of the inner supporting plate is larger than that of the outer supporting plate;

the inner supporting plate and the outer supporting plate are both folded with a plurality of layers of folded surfaces.

Preferably, the first arc-shaped rod and the second arc-shaped rod are fixedly provided with a protection plate on one side close to the tension spring;

the guard plate is arc groove structure, and with the radian looks adaptation of arc pole, the extension spring is arranged in the recess of guard plate.

Preferably, a shaft lever rotationally connected with the positioning plate is fixedly mounted at the center of the outer supporting plate;

the outer supporting plate is provided with a plurality of bolt and nut sets matched with the mounting holes along the edge in an inserted mode, and the bolt and nut sets are used for fixing the supporting plate after the opening size is adjusted.

The oral cavity retractor with the multi-angle adjustment, provided by the invention, has the beneficial effects that:

1. through the backup pad that sets up, add adjustable elastic metal strip at the outside edge of backup pad, when two elastic metal strip's upper and lower both ends were pressed towards the relative direction, the upper and lower both ends of backup pad this moment also move to relative direction, the distance of reducible backup pad crescent tip this moment, contained angle between the middle section of crescent portion also follows to reduce simultaneously, realizes backup pad recess end opening size's adjustment, adjusts to the crowd of different mouth sizes.

2. Under the elastic stretching effect of extension spring, can ensure that user's mouth is in under the non-rigid fixed state, when being favorable to the mouth expansion, can also ensure that the mouth has sufficient space to move about, avoids supporting the tired sense that causes for a long time.

3. Through the clockwise or anticlockwise rotation of adjusting bolt, adjust the yield strength of extension spring, and then be used for realizing adjusting the tensile strength of extension spring.

Drawings

FIG. 1 is a schematic structural view of a multi-angle adjustable oral retractor according to the present invention;

FIG. 2 is a schematic top view of a multi-angle adjustable oral retractor according to the present invention;

fig. 3 is a schematic bottom view of a multi-angle adjustable oral retractor according to the present invention;

FIG. 4 is a front view of the multi-angle adjustable oral retractor of the present invention;

FIG. 5 is a schematic view of an explosion structure of a multi-angle adjustable oral retractor according to the present invention;

FIG. 6 is a schematic view of a multi-angle adjustable curved rod and tension spring of the oral retractor according to the present invention;

FIG. 7 is a schematic view of a multi-angle adjustable positioning plate of an oral retractor according to the present invention;

FIG. 8 is a schematic view of a multi-angle adjustable oral retractor supporting plate according to the present invention;

fig. 9 is a cutaway view of a multi-angle adjustable oral retractor support plate according to the present invention;

fig. 10 is a schematic view of a multi-angle adjustable tension spring of an oral retractor according to the present invention.

In the figure:

1. a tensioning mechanism; 11. a first arcuate bar; 12. a second arcuate bar; 13. a tension spring; 131. a connector; 14. a protection plate; 15. an internal thread sleeve; 16. adjusting the bolt;

2. positioning a plate; 21. mounting holes; 22. locking the bolt;

3. a support mechanism; 31. a support plate; 311. an inner supporting plate; 312. an outer supporting plate; 313. folding the noodles; 314. a supporting groove; 32. an elastic metal strip; 33. a shaft lever; 34. and a bolt and nut set.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-10, a multi-angle adjustable oral cavity retractor, a tensioning mechanism 1, which is two arc rods with ends rotatably connected, the two arc rods can be supported tightly outwards and can also approach towards opposite directions to realize the adjustment of the distance between two supporting plates 31, two positioning plates 2 are also rotatably connected with the two arc rods respectively, when the two arc plates are adjusted mutually (opened outwards or relatively close to each other), the two positioning plates 2 are in a non-parallel state, the angle adjustment of the positioning plates 2 is realized by the rotary connection of the positioning plates 2 and the arc rods, the two positioning plates 2 are ensured to be in a relatively parallel state, the positioning plates 2 are of arc plate structures with a plurality of mounting holes 21 on the surfaces, the directions of grooves are the same direction as the supporting plates 31, the two supporting mechanisms 3 are provided, and are detachably mounted on the mounting holes 21 respectively after the angle adjustment, so as to fix the supporting mechanism 3 after adjusting the angle, the supporting mechanism 3 includes two supporting plates 31, the supporting plates 31 are flexible colloid structures, the supporting plates 31 are made of the existing commonly used colloid, the colloid which can be matched to achieve the purpose and effect of the present invention or is not in conflict with other components of the present invention, in the preferred embodiment, the flexible colloid is made of silica gel, the silica gel is well shaped, wear-resistant and long in service life, the supporting plates 31 include an inner supporting plate 311 arranged in the oral cavity, an outer supporting plate 312 arranged outside the oral cavity and a supporting slot 314 for supporting the mouth corner, the two supporting slots 314 are both outward, the mouth corner is clamped inside the supporting slot 314, the support of the mouth corner by the two supporting plates 31 is achieved, the outer edge of the supporting plates 31 is wrapped with a bendable elastic metal strip 32, the preferable alloy steel of elastic metal strip 32 has the characteristics of high strength, high toughness, as shown in fig. 2, when the upper and lower both ends of two elastic metal strips 32 were pressed towards opposite direction, the upper and lower both ends of backup pad 31 at this moment also moved to opposite direction, the distance of backup pad 31 crescent tip can be reduced this moment, the contained angle between the middle section of crescent portion also follows to reduce simultaneously, realize the adjustment of backup pad 31 recess end (crescent end) opening size, adjust to the crowd of different mouth sizes.

The arc-shaped rods comprise a first arc-shaped rod 11 and a second arc-shaped rod 12, one end of the first arc-shaped rod 11 is rotatably connected with one end of the second arc-shaped rod 12, can be adjusted outwards or inwards to realize the adjustment of the angle of the arc-shaped rods, the other ends of the first arc-shaped rod 11 and the second arc-shaped rod 12 are rotatably connected with the positioning plates 2 to realize the adjustment of the angle of the positioning plates 2 and ensure that the two positioning plates 2 can be always in a relatively parallel state, the connecting parts of the first arc-shaped rod 11 and the second arc-shaped rod 12 and the positioning plates 2 are in threaded connection with locking bolts 22, the angle-adjustable mouth opening device is used for fixing a positioning plate 2 after angle adjustment, the first arc-shaped rod 11 and the second arc-shaped rod 12 are elastically connected with each other, the two support plates 31 are guaranteed to have enough supporting force to support outwards to open the mouth, one sides, close to the positioning plate 2, of the first arc-shaped rod 11 and the second arc-shaped rod 12 are connected with tension springs 13, one ends of the tension springs 13 are connected with the first arc-shaped rod 11, the other ends of the tension springs 13 are connected with the second arc-shaped rod 12, the two support plates 31 are unfolded towards a separating direction to open the mouth, the protection plates 14 are fixedly mounted on the sides, close to the tension springs 13, of the first arc-shaped rod 11 and the second arc-shaped rod 12, the protection plates 14 are arc-shaped groove structures, and is matched with the radian of the arc-shaped rod, the tension spring 13 is arranged in the groove of the protection plate 14, the protection plate 14 with the arc-shaped groove structure supports the tension spring 13 into an arc-shaped structure, therefore, the support plate 31 connected to both ends is pulled in an outward direction by the tensile force of the tension spring 13, thereby performing an expansion action on the mouth, and at the same time, under the elastic stretching action of the tension spring 13, the mouth of the user can be ensured to be in a non-rigid fixed state, the mouth can be expanded conveniently, can also ensure that the mouth has enough space to move, and avoid the fatigue caused by long-time support.

The equal fixed mounting in tip of extension spring 13 has connector 131, the one end that extension spring 13 was kept away from to connector 131 is rotated through the bearing and is connected with adjusting bolt 16, the inner ring of bearing and adjusting bolt 16's end fixing, the end fixing of outer loop and connector 131, first arc pole 11 and second arc pole 12 are close to the equal fixed mounting in one side of extension spring 13 and are had the internal thread cover 15 with adjusting bolt 16 threaded connection, when adjusting bolt 16 clockwise turning, the both ends of extension spring 13 are close to each other this moment, the yield strength of extension spring 13 reduces, the outside expanded intensity between two backup pad 31 reduces this moment, when two adjusting bolt 16 anticlockwise rotations, the both ends of extension spring 13 are kept away from each other, the yield strength of extension spring 13 increases this moment, the outside expanded support intensity to the mouth of two backup pad 31 increases, and then be used for realizing adjusting the tensile strength of extension spring 13.

The surface of the inner supporting plate 311 larger than the surface of the outer supporting plate 312 is folded with a plurality of folding surfaces 313 on the inner supporting plate 311 and the outer supporting plate 312, as shown in fig. 1, the folding surfaces 313 similar to folding fans are folded on the inner supporting plate 311 and the outer supporting plate 312, when the crescent ends of the supporting plate 31 are close to each other, the outer part of the middle part of the supporting plate 31 is locally tensioned, and the surface of the plate is released through the folding surfaces 313, which is beneficial to the adjustment of the supporting plate 31.

Outer fagging 312's central fixed mounting has the axostylus axostyle 33 of being connected with the rotation of locating plate 2, be connected through axostylus axostyle 33 and the rotation of locating plate 2, avoid backup pad 31 to drop from locating plate 2, outer fagging 312 has the bolt nut group 34 of a plurality of and mounting hole 21 adaptation along the ann of edge, it is worth noting, bolt nut group 34 includes bolt and nut, and the bolt runs through outer fagging 312, and the detachable, consequently, after backup pad 31's angular adjustment, the accessible takes off the bolt, and insert in the mounting hole 21 that corresponds, then it is fixed with the nut, realized fixing backup pad 31 after adjusting the opening size.

The working principle and the advantages are as follows: in this embodiment, taking the size of the mouth of a child as an example, fig. 1 shows the size of the supporting plate 31 when a normal adult uses, when the size of the opening of the supporting plate 31 needs to be adjusted, first, the bolt and nut set 34 is detached from the positioning plate 2, then the tiger mouth of the hand is placed at one side of the supporting groove 314, the thumb is placed at the lower end of the supporting plate 31, the forefinger is placed at the upper end of the supporting plate 31 and abuts against the elastic metal strip 32, then the fingers exert force to make the upper and lower ends of the supporting plate 31 move relatively (as shown in fig. 2), the distance of the crescent end of the supporting plate 31 is reduced, meanwhile, the included angle between the middle sections of the crescent parts is also reduced, then, after approximately comparing the sizes of the mouth openings of the child, the bolt and nut set 34 is fixed on the corresponding mounting hole 21, the fixing after the angle adjustment of the supporting plate 31 is completed, then, by adjusting the bolt 16, the two ends of the clockwise rotation tension spring 13 are close to each other, the yield strength of the tension spring 13 is reduced, the outward expansion strength between the two support plates 31 is reduced, the two ends of the counterclockwise rotation tension spring 13 of the adjusting bolt 16 are far away from each other, the yield strength of the tension spring 13 is increased, the outward expansion support strength of the two support plates 31 to the mouth is increased, the yield strength of the tension spring 13 is adjusted to a more comfortable range, the tensile strength of the support plates 31 is changed by the adjusted tension spring 13, so that the angle between the two support plates 31 is also changed, the two positioning plates 2 are in a non-parallel state, the two positioning plates 2 are locked and fixed after being adjusted in angle through the rotary connection of the positioning plates 2 and the arc-shaped rods under the action of the locking bolt 22, and the two positioning plates 2 can be in a relatively parallel state, after the regulation is accomplished, arrange interior backup pad 311 in the inboard of mouth, the mouth horn card has realized the support of two backup pads 31 to the mouth horn in the inside of propping groove 314, and under the pulling force effect of extension spring 13, realized the support to the mouth through backup pad 31 this moment, and whole angularly adjustable, be convenient for adjust the use to the crowd of different mouth types.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. An oral retractor that is adjustable from multiple angles, comprising:

the tensioning mechanism (1) is an arc-shaped rod with two end parts rotatably connected, and the two arc-shaped rods can be outwards tensioned;

the two positioning plates (2) are respectively and rotatably connected with the two arc-shaped rods, so that the angle of the positioning plates (2) can be adjusted, and the positioning plates (2) are of arc-shaped plate structures, the surfaces of which are provided with a plurality of mounting holes (21);

the two supporting mechanisms (3) are respectively detachably mounted on the mounting hole (21), each supporting mechanism (3) comprises two supporting plates (31), each supporting plate (31) is of a flexible colloid structure, and each supporting plate (31) comprises an inner supporting plate (311) arranged in the oral cavity, an outer supporting plate (312) arranged outside the oral cavity and a supporting groove (314) for supporting a mouth corner;

the inside parcel of the outward flange of backup pad (31) has elastic metal strip (32) of bendable, realizes backup pad (31) recess end opening size's adjustment.

2. The multi-angle adjustable oral retractor according to claim 1, wherein the curved rods comprise a first curved rod (11), a second curved rod (12);

the first arc-shaped rod (11) is rotatably connected with one end of the second arc-shaped rod (12), and the other ends of the first arc-shaped rod (11) and the second arc-shaped rod (12) are rotatably connected with the positioning plate (2);

the connection parts of the first arc-shaped rod (11) and the second arc-shaped rod (12) and the positioning plate (2) are in threaded connection with a locking bolt (22) for fixing the positioning plate (2) after the angle is adjusted;

the first arc-shaped rod (11) and the second arc-shaped rod (12) are elastically connected.

3. The multi-angle adjustable oral cavity retractor according to claim 2, wherein one side of the first arc-shaped rod (11) and one side of the second arc-shaped rod (12) close to the positioning plate (2) are connected with a tension spring (13);

one end of the tension spring (13) is connected with the first arc-shaped rod (11), the other end of the tension spring is connected with the second arc-shaped rod (12), and the mouth is opened by the two support plates (31) in the opposite direction.

4. The oral cavity retractor with multi-angle adjustment according to claim 3, wherein the ends of the tension spring (13) are fixedly provided with connectors (131), and one end of each connector (131) far away from the tension spring (13) is rotatably connected with an adjusting bolt (16);

and one sides of the first arc-shaped rod (11) and the second arc-shaped rod (12) close to the tension spring (13) are fixedly provided with internal thread sleeves (15) which are in threaded connection with an adjusting bolt (16) and used for adjusting the tensile strength of the tension spring (13).

5. The multi-angle adjustable oral retractor of claim 1, wherein the inner strut (311) is larger than the outer strut (312);

the inner supporting plate (311) and the outer supporting plate (312) are both folded with a plurality of layers of folding surfaces (313).

6. The oral retractor with multi-angle adjustment according to claim 2, wherein a protection plate (14) is fixedly installed on one side of each of the first arc-shaped rod (11) and the second arc-shaped rod (12) close to the tension spring (13);

the protection plate (14) is of an arc-shaped groove structure and is matched with the radian of the arc-shaped rod, and the tension spring (13) is arranged in the groove of the protection plate (14).

7. The multi-angle adjustable oral retractor according to claim 1, wherein the center of the outer supporting plate (312) is fixedly installed with a shaft rod (33) rotatably connected with the positioning plate (2);

a plurality of bolt and nut sets (34) matched with the mounting holes (21) are inserted into the outer supporting plate (312) along the edge, and the bolt and nut sets are used for fixing the supporting plate (31) with the size of the opening adjusted.