CN218304867U - Oral examination struts device - Google Patents

Abstract

The utility model discloses an oral examination distraction device, which comprises a frame, a distraction mechanism and a lower jaw supporting mechanism, wherein the distraction mechanism comprises a rotating component, a distraction component and a lifting component, the rotating component comprises a rotating seat and a rotating locking structure for locking and fixing the rotating seat, the distraction component comprises a distraction driving structure and two distraction strips in transmission connection with the distraction driving structure, the distraction driving structure is used for driving the two distraction strips to approach or keep away from each other, and the lifting component is used for adjusting the upper and lower heights of the distraction component; the lower jaw supporting mechanism comprises a bracket arranged on the front side of the strutting component, and the bracket and the rack are arranged in an adjustable manner. The oral examination distraction device has two use modes, wherein the first use mode is suitable for patients with vertical waists, and the second use mode is suitable for patients who can only lie down. The relative angle between the two spreader strips and the patient's mouth is adjusted according to the patient's different contour faces. The utility model discloses oral treatment field during the use.

Description

Oral examination struts device

Technical Field

The utility model relates to the field of medical equipment, in particular to oral examination distraction device.

Background

When oral treatment is performed, a patient needs to open the mouth for treatment, muscle fatigue of the patient is caused by long-time mouth opening during treatment, discomfort is caused, and the patient may frequently close the mouth, which causes inconvenience to treatment and prolongs treatment time.

Some oral cavity distraction devices that take bearing patient's chin appear on the market now, during the use, can hold patient's chin, then strut the mouth through strutting the mechanism, in order to improve patient's comfort level and oral treatment's efficiency, but this type of oral cavity distraction device can only use time vertical waist and make the head rely on the patient on oral cavity distraction device, can not be applicable to the patient that can only lie flat, or lie in bed and carry out oral treatment, need use other types of oral cavity distraction device to this type of patient, so medical institution need dispose the oral cavity distraction device of different grade type, can increase oral treatment's cost, cause the waste of medical resource, and to different patients, its facial profile is different, the gesture that leads to its oral cavity to strut is also different, some patients have certain gradient when the oral cavity struts, especially to the patient that can only lie flat, and then current oral cavity distraction device exists the suitability poor, the function singleness, the shortcoming of adjustable performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oral examination struts device to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an oral examination struts device, it includes: the stretching mechanism and the lower jaw bearing mechanism are arranged on the rack in a relatively adjustable mode in the front-back direction, the stretching mechanism comprises a rotating assembly, a stretching assembly and a lifting assembly, the rotating assembly comprises a rotating seat and a rotating locking structure, the rotating seat is arranged in a relatively rotating mode with the rack, the rotating locking structure is used for locking and fixing the rotating seat, the rotating seat rotates around a rotating axis extending in the transverse direction, the stretching assembly comprises a stretching driving structure and two stretching battens, the stretching driving structure is arranged on the rotating seat, the two stretching battens are in transmission connection with the stretching driving structure, the stretching battens extend in the direction perpendicular to the rotating axis, the two stretching battens are arranged in a radially spaced mode and opposite to the rotating axis, the stretching driving structure is used for driving the two battens to be close to or far away from each other, and the lifting assembly is used for adjusting the vertical height of the stretching assembly; the lower jaw supporting mechanism comprises a bracket arranged on the front side of the distraction assembly, and the bracket and the rack are arranged in an up-and-down adjustable manner.

The utility model has the advantages that: when the device is used, the two using modes can be flexibly switched, the first using mode can be suitable for a patient with a vertically erected waist, the upper and lower heights of the bracket are adjusted when the device is used, the upper and lower heights of the supporting component are adjusted through the lifting component, the lower jaw of the patient is arranged on the bracket, then the rotating seat is rotated to enable the two supporting laths to face the oral cavity of the patient at intervals up and down, the rotating seat is locked through the rotating locking structure, the supporting mechanism and the lower jaw supporting mechanism are close to each other in the front and back directions, the two supporting laths extend into the oral cavity of the patient, then the supporting driving structure drives the two supporting laths to be away from each other, the two supporting laths support the oral cavity up and down, and at the moment, a doctor can perform treatment operation on the oral cavity of the patient; and the second user mode is applicable patient that can only lie flat, adjust the interval of strutting mechanism and chin supporting mechanism in the front and back direction lets patient's head orientation set up in the below of strutting the subassembly, the seat is rotated in the rotation, make two strut the lath interval from beginning to end downwards, and towards patient's oral cavity, drive the subassembly that struts through the lift subassembly and move down, make two strut the lath and stretch into patient's oral cavity, later strut drive structure and drive two and strut the lath and keep away from each other, two strut the lath and strut the oral cavity from top to bottom, the doctor can carry out treatment operation to the patient's oral cavity that lies flat this moment.

Wherein this technique drives through rotatory seat of rotating and struts the subassembly rotation and lock fixedly to drive two and strut the lath and rotate together, can adjust the relative angle between two laths of strutting and the patient's oral cavity according to the facial patient of different profiles like this, in order to satisfy different demands, improve the suitability that the device was struts in the oral cavity inspection.

As a further improvement of the above technical solution, the distraction driving structure includes two transmission beams extending parallel to the rotation axis, and a distraction driving unit for driving the two transmission beams to approach or separate from each other, one end of the transmission beam is slidably connected to the rotating base, the two transmission beams are arranged in central symmetry with the rotation axis as a center, and the two distraction slats can be respectively installed on the two transmission beams along the transverse direction.

The strutting lathes in the scheme are arranged on the transmission beam, and the horizontal positions of the strutting lathes relative to the transmission beam are adjusted according to the requirements when the strutting lathes are used, so that the strutting lathes are mainly suitable for the oral treatment of a patient lying down; the distraction driving unit can drive the two distraction strips to move together in the process of driving the two transmission beams to approach or depart from each other, and the two transmission beams are arranged on two sides of the rotation axis in a central symmetry manner, so that the rotation of the rotation seat is more stable.

And one end of the transmission beam is connected with the rotating seat in a sliding manner, and the other end of the transmission beam is arranged in a suspended manner, so that the visual field is wider, and the operation space of a doctor is enlarged.

As a further improvement of the above technical scheme, the other end of the transmission beam is provided with a sliding groove extending transversely, one end of the distraction lath is mounted on the sliding groove through a sliding block, and the distraction lath and the transmission beam are provided with a first locking member.

Wherein the strutting lath is in transverse left-right sliding fit with the sliding groove on the transmission cross beam through the sliding block, and the strutting lath is transversely locked and fixed through the first locking component.

As a further improvement of the technical scheme, the sliding groove is provided with a dismounting notch extending to the end part of the transmission beam, the first locking member comprises a locking screw fixedly connected with the sliding block, one end of the locking screw penetrates through the sliding groove and then is sleeved with a locking nut, and the locking nut is abutted to the side wall of the transmission beam.

Wherein the tip of the sliding tray in this scheme is equipped with the dismouting notch, can loosen lock nut like this, will strut the lath and pull out from the transmission crossbeam, conveniently wash the disinfection to the lath of strutting, and when the horizontal position of the lath is strutted in the regulation, loosen lock nut, move along the sliding tray and strut the lath to the position of settlement, later screw up lock nut can, easy operation is convenient.

As a further improvement of the technical scheme, the lifting assembly comprises a lifting seat and a lifting driving structure for driving the lifting seat to slide up and down relative to the rack, and the rotating seat is rotatably arranged on the lifting seat.

Lifting unit in this scheme drives through lift drive structure and moves on the seat to drive and rotate the seat oscilaltion on the seat, realized two upper and lower regulations that strut the lath like this.

As the further improvement of above-mentioned technical scheme, the frame is including vertical stand, the lift seat is horizontal extension, sliding connection about the one end of lift seat and the stand, rotate the seat be provided with the rotation cover that the other end of lift seat rotationally cup jointed, it includes the locking bolt of threaded connection on rotating the cover periphery wall to rotate locking structure, locking bolt passes behind the wall body of rotating the cover and the butt of lift seat.

The one end of the lift seat in this scheme is slidable mounting from top to bottom on the stand, and the other end of lift seat just installs the lift seat, such structure is favorable to doctor's operation more in the space, and rotate the seat and rotate the tip rotation cup joint with the lift seat through rotating the cover and be in the same place, make the rotation of rotating the seat more stable like this, and rotate another terminal surface of seat and just install in strutting the subassembly, further enlarge the art field of operation, and can directly adopt locking bolt to come to lock the rotating sleeve and fix to rotating locking structure, locking bolt radially passes behind the lateral wall of rotating the cover, just with the lift seat butt.

As a further improvement of the technical scheme, the rack further comprises a bottom plate, the lower end of the upright post is connected with the bottom plate in a front-back sliding mode, and a second locking component is arranged between the upright post and the bottom plate.

For the adjustment in the front-back direction between the opening mechanism and the lower jaw supporting mechanism, the opening mechanism on the stand column is driven to move back and forth by adjusting the front-back position between the stand column and the bottom plate, and the second locking component is also arranged to lock the front-back relative position between the stand column and the bottom plate.

As a further improvement of the above technical solution, the lower jaw supporting mechanism further includes a guide seat mounted on the frame, the guide seat is provided with a guide groove with an upward opening, the bottom of the bracket is inserted into the guide groove by sliding up and down through a guide rod, and the guide seat and the guide rod are provided with third locking members.

The bracket in the scheme realizes up-and-down adjustment through up-and-down sliding fit of the guide rod and the guide groove on the guide seat, and the third locking component is further arranged to lock and fix the relative position between the guide seat and the guide rod in the up-and-down direction.

As a further improvement of the technical scheme, a spring is arranged between the bottom of the guide groove and the lower end of the guide rod.

This scheme is through the spring in order to drive the guide arm and up the top move, after loosening third locking component, under the spring action of spring, the bracket up moved, when patient's chin was arranged the bracket in this moment, can be down to push down the bracket, and the bracket has damped power this moment, and when patient adjusted to the most comfortable high gesture, rethread third locking component locked the relative position between fixed guide holder and the guide arm, convenient operation like this.

As a further improvement of the technical scheme, an arc-shaped bearing groove is concavely arranged at the top of the bracket, and a rubber pad is detachably attached to the bearing groove. For curved support groove and patient's chin more match, and support groove contradicts through the lower jaw of cushion and patient, improves patient's comfort level, and the cushion is removable, can pull down old cushion after having examined a patient, pastes new cushion again, examines next patient again, improves the efficiency of oral cavity inspection treatment.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a front sectional view of an oral examination distraction device provided by the utility model, which is suitable for oral examination and treatment of a patient with a standing waist;

fig. 2 is a partially enlarged view of a portion a in fig. 1;

fig. 3 is a side view of an embodiment of the oral examination distraction device provided by the invention, which is suitable for oral examination and treatment of a patient with a standing waist;

fig. 4 is a side view of an embodiment of the oral examination distraction device of the present invention, which is suitable for patients who can only lie down for oral examination and treatment.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the oral examination distraction device of the present invention comprises the following embodiments:

the oral examination distraction device of the present embodiment includes a frame 100, a distraction mechanism 200, and a chin support mechanism 300.

The distractor mechanism 200 of the present embodiment includes a rotating assembly 210, a distractor assembly 220, and a lifting assembly 230.

Wherein the lifting assembly 230 is used for driving the distraction assembly 220 to move up and down so as to adjust the height of the distraction assembly 220 in the up-down direction, and the rotating assembly 210 is used for driving the distraction assembly 220 to rotate around the left-right transversely extending rotation axis so as to adjust the rotation angle of the distraction assembly 220 around the rotation axis.

Specifically, the method comprises the following steps: the lift assembly 230 of this embodiment is including lift seat 231, lift drive structure 232 drives the relative frame 100 of lift seat 231 and slides on the top and bottom direction, the frame 100 of this embodiment includes stand 110 and bottom plate 120, stand 110 is vertical setting on bottom plate 120, and the lift seat 231 of this embodiment is for controlling horizontal extension, the left end and the stand 110 of lift seat 231 can be connected with sliding from top to bottom, be provided with the slide of vertical setting on stand 110, the left end of lift seat 231 passes through slide and slide sliding fit from top to bottom, the lift drive structure 232 of this embodiment adopts the lead screw drive structure, specifically: the lift drive structure 232 includes the vertical lead screw of installing on stand 110, and the left end of lift seat 231 is provided with the screw of vertical setting, and lead screw threaded connection is in the screw, and the end connection of lead screw has the runner, and this embodiment drives the lead screw through operating the runner and rotates to it reciprocates along stand 110 to drive lift seat 231.

And the screw rod and the screw hole have the self-locking function.

And the rotating assembly 210 includes a rotating base 211 and a rotating locking structure, wherein the rotating base 211 can be rotatably disposed relative to the frame 100, the rotating base 211 of the present embodiment is rotatably mounted on the lifting base 231, and the rotating locking structure is used for locking the rotation of the fixed rotating base 211, specifically: the left end of the rotating base 211 of this embodiment is provided with a rotating sleeve 212, the rotating base 211 is rotatably installed on the right end of the lifting base 231 through the rotating sleeve 212, the rotating locking structure comprises a locking bolt 2121, the locking bolt 2121 is in threaded connection with the outer peripheral wall of the rotating sleeve 212, and the inner end of the locking bolt 2121 is abutted to the lifting base 231 after passing through the outer wall of the rotating sleeve 212.

In this embodiment, a plurality of pin holes are annularly spaced on the outer peripheral wall at the right end of the lifting seat 231, and the locking bolt 2121 can extend into the corresponding pin hole to lock and fix the rotating sleeve 212.

The distracting assembly 220 of this embodiment includes two distracting slats 221 and a distracting drive structure, wherein the two distracting slats 221 are disposed in parallel and spaced relation along a radial direction of the rotational axis of the rotating base 211, and the distracting drive structure drives the two distracting slats 221 toward or away from each other.

The chin support mechanism 300 of this embodiment includes a bracket 310, the bracket 310 is disposed at the front side of the distracting member 220, and the bracket 310 is adjustable up and down relative to the frame 100, specifically: the chin support mechanism 300 of this embodiment further includes a guide base 320, the guide base 320 is vertically fixed on the bottom plate 120, and a guide slot 321 with an upward opening is formed at the top of the guide base 320.

The bottom of the bracket 310 is connected with a vertically arranged guide rod 311, the guide rod 311 is inserted in the guide groove 321 in a vertically sliding manner, third locking members are arranged on the guide seat 320 and the guide rod 311, the bracket 310 is vertically adjusted through the vertical sliding fit of the guide rod 311 and the guide groove 321 on the guide seat 320, and the third locking members are further arranged to lock and fix the relative position between the guide seat 320 and the guide rod 311 in the vertical direction.

The third locking member of this embodiment employs a locking screw, and the transverse thread of the locking screw penetrates through the sidewall of the guide holder 320 and then abuts against the outer peripheral wall of the guide rod 311, so as to achieve locking and fixing of the guide rod 311.

In the front-back direction, the distracting mechanism 200 and the chin rest mechanism 300 need to be relatively adjustable, the guide seat 320 of the present embodiment is fixed on the bottom plate 120, and the lower end of the upright post 110 is connected with the bottom plate 120 in a front-back sliding manner, for the front-back direction adjustment between the distracting mechanism 200 and the chin rest mechanism 300, the front-back position between the upright post 110 and the bottom plate 120 is adjusted to drive the distracting mechanism 200 on the upright post 110 to move back and forth, and a second locking member is further provided to lock the front-back relative position between the upright post 110 and the bottom plate 120.

In this embodiment, a sliding rail extending forward and backward is disposed on the bottom plate 120, the lower end of the upright post 110 is slidably engaged with the sliding rail, and the second locking member is a locking screw, which passes through the locking seat at the side of the lower end of the upright post 110 and then abuts against the bottom plate 120, so as to lock and fix the upright post 110.

When the device is used, the oral examination distraction device of the embodiment has two use modes, and the two use modes can be flexibly switched, wherein the first use mode can be suitable for a patient with a vertical waist, when the device is used, the upper and lower heights of the bracket 310 are adjusted, the upper and lower heights of the distraction component 220 are adjusted through the lifting component 230, the lower jaw of the patient is arranged on the bracket 310, then the rotating seat 211 is rotated to enable the two distraction slats 221 to face the oral cavity of the patient at intervals up and down, the rotating seat 211 is locked through the rotating locking structure to enable the distraction mechanism 200 and the lower jaw supporting mechanism 300 to be close to each other in the front and back direction, so that the two distraction slats 221 extend into the oral cavity of the patient, then the distraction driving structure drives the two distraction slats 221 to be away from each other, the two slats distract the oral cavity 221 to distract the oral cavity up and down, and at this time, the doctor can perform treatment operation on the oral cavity of the patient;

and the second mode of use is applicable to the patient who can only lie flat, adjust the distance between the opening mechanism 200 and the lower jaw supporting mechanism 300 in the front-back direction, allow the head orientation of the patient to be arranged below the opening component 220, rotate the rotating seat 211, allow the front-back interval of the two opening laths 221 to face downwards and face towards the oral cavity of the patient, drive the opening component 220 to move downwards through the lifting component 230, allow the two opening laths 221 to extend into the oral cavity of the patient, then drive the two opening laths 221 to be away from each other by the opening driving structure, open the oral cavity up and down by the two opening laths 221, at this moment, the doctor can perform the treatment operation on the oral cavity of the patient who lies flat.

When the bed is used in the second use mode, the bottom plate 120 is placed on a sickbed or an operating table, the head of a patient is directly supported by the bottom plate 120, and a pillow can be arranged on the bottom plate 120.

Wherein this embodiment drives the subassembly 220 that struts to rotate and lock fixedly through rotatory seat 211 of rotating to drive two and strut laths 221 and rotate together, can adjust the relative angle between two laths 221 that strut and the patient's oral cavity according to the facial patient of different profiles like this, in order to satisfy different demands, improve the suitability of oral cavity inspection struts device.

The distraction driving structure of the embodiment includes two transmission beams 213 and a distraction driving unit 214 in transmission connection with the two transmission beams 213, the left end of the transmission beam 213 is in sliding connection with the right end face of the rotating seat 211, the two transmission beams 213 are symmetrically arranged on both sides of the rotating seat 211 by taking the rotation axis of the rotating seat 211 as the center, the two distraction slats 221 are correspondingly arranged on the two transmission beams 213 one by one, and one end of the distraction slat 221 is connected with the transmission beam 213 in a left-right adjustable manner.

When the device is used, the transverse positions of the distraction strips 221 relative to the transmission cross beam 213 are adjusted according to requirements, which is mainly suitable for the oral treatment of a lying patient, and the transverse left and right positions of the two distraction strips 221 are adjusted according to the different positions of the oral cavities of the patient when the patient lies down; the expanding drive unit 214 can drive the two expanding slats 221 to move together in the process of driving the two transmission beams 213 to approach or move away from each other, and the two transmission beams 213 are arranged on two sides of the rotation axis in a central symmetry manner, so that the rotation of the rotation seat 211 is more stable.

Specifically, a sliding groove 215 which extends horizontally from left to right is formed in the right end of the transmission beam 213, the end portion of the expanding slat 221 is mounted on the sliding groove 215 through a sliding block 217, a first locking member is directly arranged on the expanding slat 221 and the transmission beam 213, the expanding slat 221 is in sliding fit with the sliding groove 215 on the transmission beam 213 from left to right through the sliding block 217, and the expanding slat 221 is locked and fixed laterally through the first locking member.

Further, the sliding groove 215 is provided with a dismounting notch 216 extending to the end of the transmission beam 213, the first locking member comprises a locking screw 218 fixed with the slider 217, one end of the locking screw 218 passes through the sliding groove 215 and then is in threaded connection with a locking nut 219, and the locking nut 219 abuts against the side wall of the transmission beam 213.

The end of the sliding groove 215 in this embodiment is provided with a dismounting notch 216, so that the locking nut 219 can be loosened to detach the expanding slat 221 from the transmission cross beam 213, thereby facilitating cleaning and disinfection of the expanding slat 221, and when the transverse position of the expanding slat 221 is adjusted, the locking nut 219 is loosened to move the expanding slat 221 to a set position along the sliding groove 215, and then the locking nut 219 is tightened, thereby facilitating the operation.

The strutting driving unit 214 of the embodiment adopts a reverse double-thread screw rod, the reverse double-thread screw rod is rotatably installed on the right end of the rotating seat 211, the left end of the transmission cross beam 213 is provided with a threaded hole, two sections of threaded sections on the double-thread screw rod are respectively in threaded connection with threaded holes on the two transmission cross beams 213, and the end part of the reverse double-thread screw rod is connected with a rotating wheel.

In the embodiment, the left end of the transmission beam 213 is slidably connected to the rotating base 211, the right end of the transmission beam 213 is suspended, the left end of the lifting base 231 is slidably mounted on the upright post 110 up and down, and the right end of the lifting base 231 is mounted with the lifting base 231, so that the visual field is wider, and the operation space of a doctor is enlarged.

A spring 330 is arranged between the bottom of the guide slot 321 and the lower end of the guide rod 311, the guide rod 311 is driven to move upwards through the spring 330, after the third locking member is loosened, the bracket 310 moves upwards under the action of the elastic force of the spring 330, at the moment, when the lower jaw of the patient is placed on the bracket 310, the bracket 310 can be pressed downwards, at the moment, the bracket 310 has damping force, and when the patient is adjusted to the most comfortable height posture, the third locking member locks and fixes the relative position between the guide seat 320 and the guide rod 311, so that the operation is convenient.

And the top of the bracket 310 is provided with a supporting groove 312 in an arc shape, and the supporting groove 312 is detachably provided with a rubber pad 313. The arc-shaped supporting groove 312 is matched with the lower jaw of a patient, the supporting groove 312 is abutted against the lower jaw of the patient through the rubber pad 313, the comfort level of the patient is improved, the rubber pad 313 is detachable, the old rubber pad 313 can be detached after one patient is examined, a new rubber pad 313 is attached again, the next patient is examined again, and the efficiency of oral examination and treatment is improved.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. An oral examination struts device which characterized in that: it includes:

a frame (100);

the opening mechanism (200) comprises a rotating assembly (210), an opening assembly (220) and a lifting assembly (230), wherein the rotating assembly (210) comprises a rotating seat (211) which is rotatably arranged relative to the rack (100) and a rotating locking structure for locking and fixing the rotating seat (211), the rotating seat (211) rotates around a rotation axis which extends transversely, the opening assembly (220) comprises an opening driving structure which is arranged on the rotating seat (211) and two opening slats (221) which are in transmission connection with the opening driving structure, the opening slats (221) extend in the direction perpendicular to the rotation axis, the two opening slats (221) are oppositely arranged along the radial direction of the rotation axis at intervals, the opening driving structure is used for driving the two opening slats (221) to approach or depart from each other, and the lifting assembly (230) is used for adjusting the vertical height of the opening assembly (220);

the lower jaw supporting mechanism (300) comprises a bracket (310) arranged on the front side of the opening component (220), and the bracket (310) and the rack (100) are arranged in an up-and-down adjustable manner;

the opening mechanism (200) and the lower jaw supporting mechanism (300) are arranged on the frame (100) in a relative adjustable manner in the front-back direction.

2. The oral examination distraction device of claim 1, wherein:

the strutting driving structure comprises two transmission beams (213) extending in parallel with the rotation axis and a strutting driving unit (214) used for driving the two transmission beams (213) to be close to or far away from each other, one end of the transmission beam (213) is in sliding connection with the rotating seat (211), the two transmission beams (213) are arranged in a centrosymmetric manner by taking the rotation axis as the center, and two strutting slats (221) can be respectively installed on the two transmission beams (213) along the transverse adjustment.

3. The oral examination distraction device of claim 2, wherein:

the other end of the transmission beam (213) is provided with a sliding groove (215) extending transversely, one end of the spreading lath (221) is installed on the sliding groove (215) through a sliding block (217), and a first locking member is arranged between the spreading lath (221) and the transmission beam (213).

4. The oral examination distraction device of claim 3, wherein:

the sliding groove (215) is provided with a dismounting notch (216) extending to the end part of the transmission beam (213), the first locking member comprises a locking screw (218) fixedly connected with the sliding block (217), one end of the locking screw (218) penetrates through the sliding groove (215) and then is sleeved with a locking nut (219), and the locking nut (219) is abutted to the side wall of the transmission beam (213).

5. The oral examination distraction apparatus of claim 2, wherein:

the lifting assembly (230) comprises a lifting seat (231) and a lifting driving structure (232) used for driving the lifting seat (231) to slide up and down relative to the rack (100), and the rotating seat (211) is rotatably installed on the lifting seat (231).

6. The oral examination distraction device of claim 5, wherein:

frame (100) include vertical stand (110), lift seat (231) are horizontal extension, sliding connection about one end and stand (110) of lift seat (231), rotate seat (211) be provided with the rotation cover (212) that the other end of lift seat (231) rotationally cup jointed, it includes threaded connection to rotate locking bolt (2121) on cover (212) periphery wall to rotate locking structure, behind the wall body that rotates cover (212) locking bolt (2121) pass with lift seat (231) butt.

7. The oral examination distraction apparatus of claim 6, wherein:

the rack (100) further comprises a bottom plate (120), the lower end of the upright column (110) is connected with the bottom plate (120) in a front-back sliding mode, and a second locking component is arranged between the upright column (110) and the bottom plate (120).

8. The oral examination distraction apparatus of claim 1, wherein:

the lower jaw supporting mechanism (300) further comprises a guide seat (320) installed on the rack (100), the guide seat (320) is provided with a guide groove (321) with an upward opening, the bottom of the bracket (310) is inserted into the guide groove (321) in a vertically sliding mode through a guide rod (311), and third locking components are arranged on the guide seat (320) and the guide rod (311).

9. The oral examination distraction device of claim 8, wherein:

a spring (330) is arranged between the bottom of the guide groove (321) and the lower end of the guide rod (311).

10. The oral examination distraction apparatus of claim 1, wherein:

the top of the bracket (310) is concavely provided with an arc-shaped supporting groove (312), and the supporting groove (312) is detachably attached with a rubber pad (313).

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