Waist support adjusting device of dental chair

Abstract

The utility model discloses a lumbar support adjusting device of a dental chair. The lumbar support adjusting device comprises the dental chair, one end of the dental seat is rotatably connected with a seat back, the middle of the upper end of the seat back is rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a threaded block, and one side of the threaded block is fixedly connected with a lifting block; wherein one side of the lifting block is fixedly connected with a fixed block, the other side of the lifting block is provided with an adjusting block, one side of the adjusting block is provided with an adjusting rod, one side of the adjusting rod is rotatably connected with a waist support body, one side of the waist support body is fixedly connected with a torsion spring, one side of the adjusting block is provided with a movable protection plate, and the movable protection plate is provided with a movable protection plate. According to the lumbar support adjusting device of the dental chair, the supporting height of the lumbar support is adjusted, so that the lumbar support is attached to the waist of a patient, the requirement of the patient for use comfort is more easily met, the supporting position of the lumbar support is conveniently adjusted according to different heights of the patient, and the applicability of the lumbar support adjusting device of the dental chair is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary equipment technical field, concretely is a kind of lumbar support adjusting device of dental chair. BACKGROUND

[0002] Dental treatment usually requires patients to maintain a fixed posture for a long time, especially for complex root canal treatment or orthodontic adjustment, patients may need to sit on the chair for 30 minutes to several hours, the lumbar support provides continuous support by fitting the human lumbar curve, disperses the pressure of waist, reduces muscle soreness or stiffness caused by long sitting, and the supporting effect of the lumbar support can help patients maintain this posture naturally, avoid body position deviation caused by lack of waist strength, and ensure the accuracy of doctor's operation.

[0003] The patent document with publication number CN218853039U discloses a dental patient chair, which comprises a chair body, an LED illuminating lamp is arranged at the upper end of the chair body, an adjusting mechanism is connected inside the LED illuminating lamp, a lifting platform is fixedly connected to the bottom of the chair body, an electric lifting rod is arranged inside the lifting platform, a headrest is fixedly connected to the top of the chair body, a bottom plate is fixedly connected to the bottom of the lifting platform, and a washing table is fixedly connected to the rear end outer surface of the bottom plate. The dental patient chair can conveniently adjust the height and direction of the LED illuminating lamp, and the light can irradiate the oral cavity of the person, so that the dentist can conveniently observe and operate the oral cavity of the patient, and the convenience and practicality of the person are effectively improved. However, the patent still has the following problems in actual use:

[0004] The dental patient chair is convenient for the doctor to observe and operate the oral cavity of the patient by setting the adjusting mechanism. However, the lumbar part of the patient is not lifted when the patient chair is used, which reduces the comfort of the chair during use, and thus the practicality of the dental patient chair is poor.

[0005] Therefore, a lumbar support adjusting device for dental chair is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a lumbar support adjusting device for dental chair to solve the problem that the current dental patient chair is convenient for the doctor to observe and operate the oral cavity of the patient by setting the adjusting mechanism, but the lumbar part of the patient is not lifted when the patient chair is used, which reduces the comfort of the chair during use, and thus the practicality of the dental patient chair is poor.

[0007] To achieve the above object, the utility model provides the following technical scheme: a waist support adjusting device of dental chair, including dental chair;

[0008] One end of the dental chair is rotatably connected with a chair back, one side of the upper end of the chair back is fixedly connected with a headrest, and the inside of the chair back is provided with a motor.

[0009] Further comprising:

[0010] The upper end of the chair back is provided with a lifting groove in the middle, a threaded rod is rotatably connected to the lifting groove, a threaded block is threadedly connected to the outside of the threaded rod, a lifting block is fixedly connected to one side of the threaded block, a limiting block is fixedly connected to the middle of one end of the lifting block, and the limiting block is slidably connected with a limiting groove on one side.

[0011] The lifting block is fixedly connected with a fixed block on one side, the other side of the lifting block is provided with an adjusting block, the adjusting block is slidably connected with an expansion groove on one end, the expansion groove is provided with an adjusting rod on one side, the adjusting rod is rotatably connected with a waist support body on one side, the waist support body is fixedly connected with a torsion spring on one side, and the adjusting block is provided with a moving guard plate on one side.

[0012] Preferably, the threaded rod is arranged on the side of the lifting groove away from the headrest, and one end of the threaded rod is fixedly connected with the output end of the motor, so that the positioning of the lifting groove is facilitated.

[0013] Preferably, the limiting blocks are fixedly connected to the two sides of the lifting block in a symmetrical manner, and the limiting grooves are symmetrically arranged in the inner wall of the lifting groove, so that the positioning of the limiting grooves and the limiting blocks is facilitated.

[0014] Preferably, the fixed blocks are fixedly connected to the top ends of the lifting blocks away from the threaded blocks, and the two ends of the air cylinder are fixedly connected with one side of the fixed blocks and one side of the adjusting blocks respectively, so that the adjustment of the adjusting blocks is facilitated.

[0015] Preferably, the cross section of the lifting block is C-shaped, and the expansion groove is symmetrically arranged in the inside of the lower end of the lifting block, so that the positioning of the expansion groove in the lifting block is facilitated.

[0016] Preferably, the adjusting rod and the torsion spring are symmetrically arranged at the two ends of the fixed blocks and the adjusting blocks respectively, and the fixed blocks and the adjusting blocks are connected with the waist support body through the adjusting rod, so that the stable support of the waist support body is facilitated.

[0017] Preferably, the moving guard plates are arranged in two groups, one side of the moving guard plates of the two groups is fixedly connected with the fixed blocks and the adjusting blocks away from the lifting blocks, and the moving guard plates are slidably connected with the side of the chair back close to the lifting groove, so that the positioning of the moving guard plates is facilitated.

[0018] Compared with the prior art, the dental chair waist support adjusting device has the advantages that: the height of the waist support is adjusted, the waist support is attached to the waist of the patient, the comfort of the patient is improved, the height of the waist support is adjusted according to the height of the patient, the applicability of the dental chair waist support adjusting device is improved, and the practicality of the dental chair waist support adjusting device is improved.

[0019] 1. The dental chair waist support adjusting device is provided with a fixed block, a cylinder, an adjusting block, an adjusting rod, a waist support and a torsion spring on one side of the lifting block, the adjusting block is moved on one side of the fixed block by the cylinder, the height of the waist support is adjusted, the waist support is attached to the waist of the patient, the comfort of the patient is improved, the applicability of the dental chair waist support adjusting device is improved, and the practicality of the dental chair waist support adjusting device is improved.

[0020] 2. The dental chair waist support adjusting device is provided with a lifting block, a threaded block, a threaded rod and a moving guard plate in the middle of the lifting groove, the height of the waist support is adjusted according to the height of the patient, the applicability of the dental chair waist support adjusting device is improved, and the practicality of the dental chair waist support adjusting device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic view of the contraction structure of the present utility model in a front view;

[0022] Figure 2 It is a schematic view of the expansion structure of the present utility model in a front view;

[0023] Figure 3 It is a schematic view of the local section structure of the lifting block of the present utility model;

[0024] Figure 4 It is a schematic view of the side section structure of the lifting block of the present utility model;

[0025] Figure 5 It is a schematic view of the moving guard plate structure of the present utility model.

[0026] In the drawing: 1, dental chair; 2, chair back; 3, headrest; 4, lifting groove; 5, threaded rod; 6, motor; 7, threaded block; 8, lifting block; 9, limiting block; 10, limiting groove; 11, fixed block; 12, cylinder; 13, adjusting block; 14, telescopic groove; 15, adjusting rod; 16, waist support body; 17, torsion spring; 18, moving guard plate. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of lumbar support adjusting device of dental chair, including dental chair 1;The one end of dental chair 1 is rotatably connected with chair back 2, and the one side of the upper end of chair back 2 is fixedly connected with headrest 3, and the inside of chair back 2 is equipped with motor 6, and the side of motor 6 is provided with cylinder 12;It further includes: the middle of the upper end of chair back 2 is equipped with lifting groove 4, and the middle of lifting groove 4 is rotatably connected with threaded rod 5, and the outside of threaded rod 5 is threadedly connected with threaded block 7, and the side of threaded block 7 is fixedly connected with lifting block 8, and the middle of one end of lifting block 8 is fixedly connected with limit block 9, and the side of limit block 9 is slidably connected with limit slot 10;Threaded rod 5 is arranged at the side of lifting groove 4 away from headrest 3, and one end of threaded rod 5 is fixedly connected with the output end of motor 6;Limit block 9 is symmetrically fixedly connected on the two sides of lifting block 8, and limit slot 10 is symmetrically provided in the inner wall of lifting groove 4;By the mode that threaded rod 5 drives threaded block 7 to lift, it is convenient to adjust the support position of lumbar support body 16, so as to conveniently improve the applicability of lumbar support, so that it can meet the support of the waist of patient of different height, reach the purpose of improving its comfort, and the setting of limit block 9 and limit slot 10, it is convenient to enhance the stability of lifting block 8, prevent the extrusion of lumbar support generated by patient, cause threaded rod 5 to appear the condition of deformation, so as to conveniently prolong the service life of lumbar support adjusting device of dental chair.

[0029] Wherein, one side of the lifting block 8 is fixedly connected with the fixed block 11, the other side of the lifting block 8 is provided with the adjusting block 13, one end of the adjusting block 13 is slidably connected with the telescopic groove 14, one side of the telescopic groove 14 is provided with the adjusting rod 15, one side of the adjusting rod 15 is rotatably connected with the waist support body 16, one side of the waist support body 16 is fixedly connected with the torsion spring 17, one side of the adjusting block 13 is provided with the moving guard plate 18; The fixed block 11 is fixedly connected at the top end of the lifting block 8 away from the threaded block 7, the two ends of the air cylinder 12 are fixedly connected with one side of the fixed block 11 and one side of the adjusting block 13 respectively; The cross section of the lifting block 8 is C-shaped, the telescopic groove 14 is symmetrically arranged on the inner side of the lower end of the lifting block 8; The adjusting rod 15 and the torsion spring 17 are symmetrically arranged at the two ends of the fixed block 11 and the adjusting block 13 respectively, the fixed block 11 and the adjusting block 13 are connected with the waist support body 16 through the adjusting rod 15; The moving guard plate 18 is provided in two groups, one side of the two groups of moving guard plates 18 is fixedly connected with the fixed block 11 and the adjusting block 13 away from the one end of the lifting block 8, the moving guard plate 18 is slidably connected with the side of the chair back 2 close to the lifting groove 4, the position of the adjusting block 13 is adjusted by setting the air cylinder 12, the supporting height of the waist support body 16 is adjusted, so that the waist support is more suitable for the patient's waist, and the comfort of the dental chair during use is improved.

[0030] Working principle: when the waist support adjusting device of the dental chair is used, first of all, the dental chair 1 is moved to the appropriate position, and the chair back 2 is inclined at a certain angle.

[0031] Secondly, by controlling the air cylinder 12 to contract, the air cylinder 12 drives the adjusting block 13 to slide and contract in the telescopic groove 14, at this time the adjusting block 13 moves to one side of the fixed block 11, and under the action of the torsion spring 17 on one side of the waist support body 16, the adjusting rod 15 rotates on one side of the adjusting block 13 and the fixed block 11 respectively, the supporting height of the waist support body 16 is adjusted, at this time the moving guard plate 18 on one side of the adjusting block 13 is contracted upward at the lower end of the lifting groove 4.

[0032] Finally, by controlling the motor 6 to drive the threaded rod 5 to rotate, so that the threaded rod 5 drives the lifting block 8 to lift through the threaded block 7, at this time the limiting block 9 on one side of the lifting block 8 slides and lifts in the limiting groove 10, and the two groups of moving guard plates 18 simultaneously lift on one side of the chair back 2 close to the headrest 3.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lumbar support adjusting device of a dental chair, comprising a dental chair (1); One end of the dental chair (1) is rotatably connected with a chair back (2), one side of the upper end of the chair back (2) is fixedly connected with a headrest (3), the inside of the chair back (2) is installed with a motor (6), one side of the motor (6) is provided with an air cylinder (12); characterized in that Further comprising: The middle of the upper end of the chair back (2) is provided with a lifting groove (4), the lifting groove (4) is rotatably connected with a threaded rod (5) in the middle, the outer side of the threaded rod (5) is threadedly connected with a threaded block (7), one side of the threaded block (7) is fixedly connected with a lifting block (8), the middle of one end of the lifting block (8) is fixedly connected with a limiting block (9), one side of the limiting block (9) is slidably connected with a limiting groove (10); Wherein, one side of the lifting block (8) is fixedly connected with a fixed block (11), the other side of the lifting block (8) is provided with an adjusting block (13), one end of the adjusting block (13) is slidably connected with an expansion groove (14), one side of the expansion groove (14) is provided with an adjusting rod (15), one side of the adjusting rod (15) is rotatably connected with a lumbar support body (16), one side of the lumbar support body (16) is fixedly connected with a torsion spring (17), one side of the adjusting block (13) is provided with a moving guard plate (18).

2. The lumbar support adjustment device for a dental chair according to claim 1, wherein: The threaded rod (5) is provided on the side of the lifting groove (4) away from the headrest (3), and one end of the threaded rod (5) is fixedly connected with the output end of the motor (6).

3. The lumbar support adjustment device for a dental chair according to claim 1, wherein: The limiting block (9) is fixedly connected on both sides of the lifting block (8) in a symmetrical manner, and the limiting groove (10) is provided on the inner wall of the lifting groove (4) in a symmetrical manner.

4. The lumbar support adjustment device for a dental chair according to claim 1, wherein: The fixed block (11) is fixedly connected at the top end of the lifting block (8) away from the threaded block (7), and the two ends of the air cylinder (12) are fixedly connected with one side of the fixed block (11) and one side of the adjusting block (13), respectively.

5. The lumbar support adjustment device for a dental chair according to claim 1, wherein: The cross section of the lifting block (8) is C-shaped, and the expansion groove (14) is provided on the inner side of the lower end of the lifting block (8) in a symmetrical manner.

6. The lumbar support adjustment device for a dental chair according to claim 1, wherein: The adjusting rod (15) and the torsion spring (17) are provided on both ends of the fixed block (11) and the adjusting block (13) in a symmetrical manner, and the fixed block (11) and the adjusting block (13) are connected with the lumbar support body (16) through the adjusting rod (15).

7. The lumbar support adjustment device for a dental chair according to claim 1, wherein: The moving guard plate (18) is provided in two groups, one side of the two groups of moving guard plates (18) is fixedly connected with the fixed block (11) and the adjusting block (13) away from the lifting block (8), and the moving guard plate (18) is slidably connected with the chair back (2) on the side close to the lifting groove (4).

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