CN218075640U

CN218075640U - Dental chair capable of adjusting position of waist pad

Info

Publication number: CN218075640U
Application number: CN202220723718.3U
Authority: CN
Inventors: 王利民; 王卫国; 赵阿莉; 吴福珍
Original assignee: 93rd Hospital Of Joint Service Support Force Of Chinese Pla
Current assignee: 93rd Hospital Of Joint Service Support Force Of Chinese Pla
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-12-20
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to a dental chair technical field discloses a dental chair of adjustable bustle position, including the dental chair, be equipped with the bustle on the back of dental chair, be provided with the gasbag of an expandable or shrink in the bustle, be provided with the direction glide machanism that can supply the bustle to remove along the length direction of back between bustle and the back, be provided with the stop gear who carries out the locking when the bustle removes to patient required position between bustle and back, this dental chair makes things convenient for the position of doctor and patient's adjustment bustle, adapts to the different patient of height, makes the patient can obtain better comfort level when accepting the treatment.

Description

Dental chair capable of adjusting position of waist pad

Technical Field

The utility model relates to a dental chair technical field specifically is a dental chair of adjustable bustle position.

Background

The dental chair is mainly used for oral operation and examination and treatment of oral diseases, at present, an electric dental chair is mostly adopted, the whole machine is fixed on the ground by a bottom plate, the bottom plate is connected with the upper part of the dental chair by a bracket, the action of the dental chair is controlled by a control switch on a chair back, the working principle of the dental chair is that the control switch starts a motor to operate and drives a transmission mechanism to work, so that corresponding parts of the dental chair move, and a control switch button is operated according to treatment requirements, so that the dental chair can finish actions of ascending, descending, bending, facing upward, resetting and the like.

The application number is CN 201520731068.7's a multi-functional dental chair that chinese patent discloses, is provided with the bustle in waist position, the bustle can imbed on the realization of waist position in the middle of the dental chair is fixed in the bustle on the dental chair, the inflatable gasbag accessible of bustle setting fills the gas and fills the shape of adjusting the bustle with the patient of adaptation different sizes, improves the comfort level that the patient accepted the treatment.

The inflatable air bag arranged on the waist cushion can not be positioned at the waist position of each patient, and the patients with too long or too short height can not obtain better comfort level during treatment.

SUMMERY OF THE UTILITY MODEL

Unable removal of bustle to among the prior art on the dental chair, the poor problem of comfort level, the utility model aims to provide a dental chair of adjustable bustle position.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a dental chair of adjustable bustle position, includes the dental chair, is equipped with the bustle on the back of dental chair, is provided with an expandable or contractive gasbag in the bustle, be provided with the direction glide machanism that can supply the bustle to remove along the length direction of back between bustle and the back, be provided with the stop gear who carries out the locking when the bustle removes to patient's required position between bustle and back.

According to above-mentioned scheme, be equipped with the gasbag of inflatable or shrink in the bustle, can adapt to the different patients of size, the setting of direction glide machanism can supply the bustle to adjust in order to be suitable for different height patients' user demand along the length direction of back, and limit structure then is used for keeping the position after the bustle is adjusted, so, the patient of different heights can be used to the back on this dentistry chair, and the comfort level obtains promoting.

Furthermore, the guide sliding mechanism comprises a guide rail convexly arranged along the length direction of the backrest, and a sliding block which is arranged on one side of the waist pad close to the backrest and is matched with the guide rail in a guide way.

According to above-mentioned scheme, in order to adapt to the patient of height difference, the bustle should be at the portable spacing of length direction of back, need convexly establish the direction glide machanism along the length direction of back, and this scheme adopts guide rail and slider, can realize the direction and can realize sliding again.

Furthermore, the limiting mechanism comprises limiting holes arranged on the backrest or the guide rail at intervals along the length direction of the backrest and a limiting rod arranged on the backrest or the sliding block in a telescopic manner and matched with the limiting holes in an inserted manner, and the telescopic movement of the limiting rod is controlled by a driving structure.

According to the scheme, the limiting mechanism is limited by the matching of the limiting hole and the limiting rod, the distribution density of the limiting hole can be changed to adjust the accuracy of the limiting mechanism, the opening or closing of the limiting mechanism depends on the stretching of the limiting rod, and the limiting rod is further provided with a driving structure, so that the limiting mechanism can be more conveniently driven.

Furthermore, the driving structure comprises a concave groove on the sliding block or the backrest and an electromagnet fixed at the bottom of the groove, the limiting rod is arranged in the groove in a telescopic mode and matched with the limiting hole in an inserting mode when extending out, springs are arranged between the electromagnet and the limiting rod, the two ends of the springs are fixedly connected with the electromagnet and the limiting rod, and the limiting rod stretches and retracts under the control of power on or power off of the electromagnet.

According to the scheme, the electromagnet and the spring are used for controlling the stretching of the limiting rod, when the electromagnet is powered off, the limiting rod extends out of the groove under the action of the spring and is in plug fit with the limiting hole, and the sliding block cannot move; when the electromagnet is electrified, the limiting rod retracts into the groove under the action of magnetic force and is separated from the limiting hole, and the sliding block can move.

Furthermore, two ends of the guide rail are provided with limiting blocks for preventing the sliding block from sliding out of the guide rail.

According to the scheme, the two ends of the guide rail are provided with the limiting blocks, so that the sliding blocks are prevented from sliding out of the two ends of the guide rail.

Further, the guide rails are symmetrically arranged on two sides in the width direction of the backrest.

According to the scheme, the guide rails are symmetrically arranged, so that the stress of the waist pad is balanced when the waist pad moves, and the moments of the two sides of the sliding block, which are in contact with the guide rails, are the same when the sliding block moves, so that the abrasion of the sliding block is reduced.

Furthermore, a connecting piece for auxiliary support is arranged between the sliding block and the waist pad, the connecting piece is fixedly connected with the sliding block, and the connecting piece is detachably connected with the waist pad.

According to the scheme, the connecting piece plays a role in auxiliary support, the waist pad is extruded by a person and can be sunken inwards, so that the supporting effect of the waist pad on the person is poor, and the connecting piece is added behind the waist pad to support the waist pad.

Furthermore, one side of the connecting piece is welded with the sliding block, the female side of the magic tape is arranged on the other side of the connecting piece, and the sub-side of the magic tape is arranged on the side, matched with the connecting piece, of the lumbar pad.

According to the scheme, the waist pad and the connecting piece are easy to disassemble and assemble, and the waist pad is convenient to replace and clean.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: be provided with the direction glide machanism that can supply the bustle to remove along the length direction of back between bustle and back, be provided with between bustle and back and carry out the stop gear of locking when the bustle removes to patient's required position, conveniently adjust the position of bustle, can adapt to the different patient of height, make the patient obtain better comfort level when accepting the treatment, optimized the design of dental chair, increased the selling point of dental chair.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is an isometric view of a dental chair according to this embodiment;

FIG. 2 is a front view of the lumbar pad;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a cross-sectional view C-C of fig. 2.

In the figure: 1. a dental chair; 2. a backrest; 3. a waist pad; 4. a handrail; 5. a guide rail; 6. an air bag; 7. a connecting member; 8. a limiting hole; 9. an electromagnet; 10. a slider; 11. a limiting rod; 12. a limiting block; 13. a spring.

Detailed Description

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

Examples

A dental chair capable of adjusting the position of a lumbar pad is disclosed, and referring to Figs. 1-5, the dental chair comprises a dental chair, a lumbar pad 3 is arranged on a backrest 2 of the dental chair, an inflatable or deflatable air bag 6 is arranged in the lumbar pad 3, the inflation or deflation of the air bag 6 is controlled by an existing control mode, the design is the prior art, and therefore details are not repeated herein, the improvement point of the scheme is that a guiding sliding mechanism which can be used for the lumbar pad 3 to move along the length direction of the backrest 2 is arranged between the lumbar pad 3 and the backrest 2, a limiting mechanism which can be locked when the lumbar pad 3 moves to the required position of a patient is arranged between the lumbar pad 3 and the backrest 2, the purpose of the design is to realize the adjustment and the limiting of the position of the lumbar pad 3 so as to be suitable for patients with different heights, as shown in fig. 1, the guiding sliding mechanism is arranged on one side, opposite to the backrest 2 and the lumbar pad 3, preferably two groups are arranged in parallel, so that the lumbar pad 3 can move up and down in a suitable range, and the lumbar pad 3 can adapt to patients with different heights.

Referring to fig. 2-5, the guiding and sliding mechanism comprises a guide rail 5 convexly arranged along the length direction of the backrest 2, a slider 10 arranged on one side of the lumbar pad 3 close to the backrest 2 and guiding and matching with the guide rail 5, the cross section of the guide rail 5 is inverted trapezoid to prevent the slider 10 from falling off, the guide rail 5 and the slider 10 are adopted to realize both guiding and sliding, as shown in fig. 2, limiting blocks 12 for preventing the slider 10 from sliding out of the guide rail 5 are arranged at two ends of the guide rail 5, the limiting blocks 12 can be integrally designed with the guide rail 5 and are firmer, two guide rails 5 are arranged at intervals in parallel to ensure that the stress of the lumbar pad 3 is balanced when the lumbar pad moves, when the slider 10 moves, the moments at two sides contacting with the guide rail 5 are the same, and the abrasion of the slider 10 is reduced, be equipped with a auxiliary stay's connecting piece 7 between slider 10 and the bustle 3, connecting piece 7 and slider 10 fixed connection, connecting piece 7 can be dismantled with bustle 3 and be connected, above-mentioned connecting piece 7 is a rectangular aluminium alloy plate, play auxiliary stay's effect, this is because bustle 3 receives people's extrusion can be inwards sunken, make bustle 3 to the supporting role variation of people, add a connecting piece 7 behind bustle 3, can play the effect of support to bustle 3, above-mentioned connecting piece 7 one side and slider 10 welding, be equipped with the female face that the magic was pasted on the another side, bustle 3 is equipped with the son face that the magic was pasted with connecting piece 7 complex one side, easy dismouting between bustle 3 and the connecting piece 7, make things convenient for bustle 3's change and cleanness.

Referring to fig. 2-5, the limiting mechanism includes limiting holes 8 disposed at intervals along the length direction of the backrest 2 on the backrest 2 or the guide rail 5 and limiting rods 11 disposed on the backrest 2 or the slider 10 in a telescopic manner and engaged with the limiting holes 8 in an inserting manner, in this embodiment, the limiting mechanism is disposed on the guide rail 5 and the slider 10, the telescopic manner of the limiting rods 11 is controlled by a driving structure, the limiting is performed by the engagement of the limiting holes 8 and the limiting rods 11, the distribution density of the limiting holes 8 can be changed to adjust the accuracy of the limiting mechanism, the driving structure includes a recessed groove on the slider 10 or the backrest 2 and an electromagnet 9 fixed at the bottom of the recessed groove, a spring 13 is disposed between the electromagnet 9 and the limiting rods 11, both ends of the spring 13 are fixedly connected with the electromagnet 9 and the limiting rods 11, when the electromagnet 9 is powered off, the limiting rods 11 extend out of the recessed groove under the action of the spring 13 and engage with the limiting holes 8 in an inserting manner, and the slider 10 cannot move; when the electromagnet 9 is electrified, the limiting rod 11 retracts into the groove under the action of magnetic force and is separated from the limiting hole 8, and the sliding block 10 can move.

Be provided with the direction glide machanism that can supply bustle 3 to remove along the length direction of back 2 between bustle 3 and back 2, be provided with the stop gear who carries out the locking when bustle 3 removes to patient required position between bustle 3 and back 2, the position of convenient adjustment bustle 3 can adapt to the patient of height difference, makes the patient can obtain better comfort level when accepting the treatment.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dental chair of adjustable bustle position, includes the dental chair, is equipped with bustle (3) on dental chair's back (2), is provided with an expandable or collapsible gasbag (6) in bustle (3), its characterized in that: be provided with the direction glide machanism that can supply bustle (3) to remove along the length direction of back between bustle (3) and back (2), be provided with the stop gear who carries out the locking when bustle (3) remove to patient required position between bustle (3) and back (2).

2. A dental chair with adjustable lumbar pad position according to claim 1, wherein: the guide sliding mechanism comprises a guide rail (5) convexly arranged along the length direction of the backrest (2), and a sliding block (10) which is arranged on one side of the waist pad (3) close to the backrest (2) and is matched with the guide rail (5) in a guide way.

3. A dental chair with adjustable lumbar pad position according to claim 2, wherein: the limiting mechanism comprises limiting holes (8) which are arranged on the backrest (2) or the guide rail (5) at intervals along the length direction of the backrest (2) and limiting rods (11) which are arranged on the backrest (2) or the sliding block (10) in a telescopic mode and are in plug-in fit with the limiting holes (8), and the telescopic mode of the limiting rods (11) is controlled by a driving structure.

4. A dental chair with adjustable lumbar pad position as claimed in claim 3, wherein: the driving structure comprises a concave groove on the sliding block (10) or the backrest (2) and an electromagnet (9) fixed at the bottom of the groove, a limiting rod (11) is arranged in the groove in a telescopic mode and matched with a limiting hole (8) in an inserting mode when extending out, a spring (13) with two ends fixedly connected with the electromagnet (9) and the limiting rod (11) is arranged between the electromagnet (9) and the limiting rod (11), and the telescopic function of the limiting rod (11) is controlled by the electromagnet (9) to be powered on or powered off.

5. A dental chair with adjustable lumbar pad position as claimed in claim 2, wherein: and two ends of the guide rail (5) are provided with limiting blocks (12) for preventing the sliding block (10) from sliding out of the guide rail (5).

6. A dental chair with adjustable lumbar pad position according to claim 2, wherein: the guide rails (5) are symmetrically arranged on two sides of the backrest (2) in the width direction.

7. A dental chair with adjustable lumbar pad position according to claim 2, wherein: a connecting piece (7) for auxiliary support is arranged between the sliding block (10) and the waist pad (3), the connecting piece (7) is fixedly connected with the sliding block (10), and the connecting piece (7) is detachably connected with the waist pad (3).

8. An adjustable lumbar pad position dental chair as claimed in claim 7, wherein: one side of the connecting piece (7) is welded with the sliding block (10), the female side of the magic tape is arranged on the other side of the connecting piece (7), and the sub-side of the magic tape is arranged on the side, matched with the connecting piece (7), of the waist pad.