阅读说明：本技术 一种具有防倾倒功能的医疗椅及其使用方法 (Medical chair with anti-toppling function and using method thereof ) 是由 张风才 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种具有防倾倒功能的医疗椅,包括医疗椅座板,医疗椅座板的一侧设有医疗椅靠背,医疗椅座板与医疗椅靠背之间连接有角度调节机构,角度调节机构包括连接轴,连接轴的一侧连接有角度棘轮,医疗椅座板上连接有回转限位杆,回转限位杆上连接有下压棘杆,下压棘杆与回转限位杆之间连接有回转弹簧,医疗椅座板远离回转限位杆的一侧连接有防脱限位杆。本发明通过医疗椅上相应机构的设置,大大降低了医疗椅重心失衡的情况出现,有效的避免了由于重心失衡导致的医疗椅倾倒,同时有效降低了使用者摔落受伤的几率,避免了对使用者身体安全的威胁,同时减少了医院受到的损失。(The invention discloses a medical chair with an anti-toppling function, which comprises a medical chair seat plate, wherein one side of the medical chair seat plate is provided with a medical chair backrest, an angle adjusting mechanism is connected between the medical chair seat plate and the medical chair backrest, the angle adjusting mechanism comprises a connecting shaft, one side of the connecting shaft is connected with an angle ratchet wheel, the medical chair seat plate is connected with a rotary limiting rod, the rotary limiting rod is connected with a downward pressing ratchet rod, a rotary spring is connected between the downward pressing ratchet rod and the rotary limiting rod, and one side of the medical chair seat plate, which is far away from the rotary limiting rod, is connected with an anti-topp. According to the medical chair, due to the arrangement of the corresponding mechanisms on the medical chair, the occurrence of the condition of unbalanced center of gravity of the medical chair is greatly reduced, the medical chair is effectively prevented from toppling over due to unbalanced center of gravity, the probability that a user falls and is injured is effectively reduced, the threat to the body safety of the user is avoided, and the loss suffered by a hospital is reduced.)

1. The utility model provides a medical chair with prevent empting function, includes medical chair bedplate (1), its characterized in that, one side of medical chair bedplate (1) is equipped with medical chair back (101), be connected with angle adjusting mechanism (2) between medical chair bedplate (1) and medical chair back (101), angle adjusting mechanism (2) include connecting axle (201), one side of connecting axle (201) is connected with angle ratchet (202), be connected with gyration gag lever post (203) on medical chair bedplate (1), be connected with down on gyration gag lever post (203) and press ratchet (204), be connected with between pressing ratchet (204) and gyration gag lever post (203) and turn round spring (205), one side that gyration gag lever post (203) was kept away from in medical chair bedplate (1) is connected with anticreep gag lever post (206), turn round gag lever post (203) and anticreep gag lever post (206) all are connected with speed reducing mechanism (3) between medical chair back (101), one side of the medical chair seat plate (1) is provided with a safety supporting mechanism (4).

2. The medical chair with the anti-toppling function according to claim 1, wherein the connecting shaft (201) penetrates through the medical chair seat plate (1) and the medical chair back (101), a symmetrical limiting ring (207) is connected to one side, away from the angle ratchet (202), of the connecting shaft (201), the rotary limiting rod (203) penetrates through the lower ratchet rod (204), and a multi-tooth clamping groove matched with the angle ratchet (202) is formed in the lower ratchet rod (204) in a chiseled mode.

3. The medical chair with the anti-toppling function as claimed in claim 1, wherein the slowing mechanism (3) comprises a connection receiving sliding rod (301), a pair of the connection receiving sliding rods (301) are respectively provided with a rotation anti-dropping groove matched with a rotation limiting rod (203) and an anti-dropping limiting rod (206), a connection sliding rod (302) is connected in the connection receiving sliding rod (301), a hydraulic fixing rod (303) is connected in the connection receiving sliding rod (301), a slowing pressure releasing block (304) is connected on the hydraulic fixing rod (303), and a slowing connecting rod (305) is connected at one end of the connection sliding rod (302) far away from the connection receiving sliding rod (301).

4. The medical chair with the anti-toppling function as claimed in claim 3, wherein a telescopic slow-moving groove matched with the connecting slide-out rod (302) is drilled in the connecting slide rod (301), the hydraulic fixing rod (303) is arranged to penetrate through the connecting slide-out rod (302), a telescopic hydraulic groove matched with the slow-releasing pressure block (304) is drilled in the connecting slide-out rod (302), a plurality of slow-releasing pressure holes are drilled in the slow-releasing pressure block (304), and a hydraulic rotating groove matched with the slow-releasing connecting rod (305) is drilled in the medical chair back (101).

5. The medical chair with the anti-toppling function according to claim 1, wherein the safety supporting mechanism (4) comprises an air pump supporting plate (401), a bidirectional air pump (402) is connected to the air pump supporting plate (401), a pair of supporting telescopic rods (403) is connected to one side, away from the bidirectional air pump (402), of the air pump supporting plate (401), a supporting connecting pipe (404) matched with the supporting telescopic rods (403) is connected to the bidirectional air pump (402), a universal slot rod (405) is connected to the supporting telescopic rods (403), a universal ball rod (406) is connected to the universal slot rod (405), and a multi-angle supporting plate (407) is connected to one end, away from the universal slot rod (405), of the universal ball rod (406).

6. The medical chair with the anti-toppling function as claimed in claim 5, wherein the support connection pipe (404) is arranged through the air pump support plate (401), the universal slot rod (405) is provided with a universal rotation slot matched with the universal ball rod (406) in a chiseled mode, and the medical chair back (101) is provided with a gravity center offset support slot matched with the multi-angle support plate (407) in a chiseled mode.

7. The medical chair with the anti-toppling function according to claim 5, wherein a center of gravity stabilizing mechanism (5) is connected to one side of the air pump support plate (401) close to the medical chair seat plate (1), the center of gravity stabilizing mechanism (5) comprises a center of gravity bracket (501), a center of gravity sliding plate (502) is connected to one side of the medical chair seat plate (1) close to the center of gravity bracket (501), a pair of center of gravity adjusting telescopic rods (503) is connected between the center of gravity bracket (501) and the center of gravity sliding plate (502), a center of gravity connecting pipe (504) matched with the center of gravity adjusting telescopic rod (503) is connected to the bidirectional air pump (402), a plurality of smooth rollers (505) which are uniformly distributed are connected to both sides of the center of gravity sliding plate (502), a pair of limit pop-up blocks (506) is connected to the center of gravity sliding plate (502), and a plurality of pop-up springs (507) are connected, and two sides of the gravity center support (501) are connected with a pair of gravity center support legs (508).

8. The anti-toppling medical chair as claimed in claim 7, wherein the center of gravity bracket (501) is provided with a center of gravity moving groove matched with the center of gravity sliding plate (502), the center of gravity sliding plate (502) is provided with a pull-back fixing groove matched with the center of gravity adjusting telescopic rod (503), the center of gravity connecting pipe (504) is arranged through the center of gravity bracket (501), the center of gravity sliding plate (502) is provided with a runner sliding groove matched with the smooth runner (505), the center of gravity bracket (501) is provided with a wheel placing balancing groove matched with the smooth runner (505), and the center of gravity sliding plate (502) and the center of gravity bracket (501) are provided with sliding limiting grooves matched with the limiting pop-up blocks (506).

9. The medical chair with the anti-toppling function as claimed in claim 1, wherein a control box (102) is connected to the medical chair seat plate (1), the bidirectional air pump (402) is electrically connected with the control box (102), and an anti-toppling guarantee mechanism (6) is connected between a pair of gravity center support legs (508).

10. The use method of the medical chair with the anti-toppling function is characterized by comprising the following steps of:

s1, a user can hold a lower pressing ratchet rod (204) and press down to adjust the angle of a backrest (101) of the medical chair to a comfortable angle when sitting on a medical chair plate (1);

s2, simultaneously, the bidirectional air pump (402) inflates the supporting telescopic rod (403) to enable the supporting telescopic rod (403) to extend, so that the multi-angle supporting plate (407) is in contact with the medical chair backrest (101) to support the medical chair backrest (101);

s3, the speed slowing mechanism (3) can carry out speed slowing treatment on the medical chair back (101) when the angle of the medical chair back (101) is adjusted, and the medical chair back (101) is prevented from descending too fast after the angle ratchet wheel (202) loses the clamping;

s4, monitoring the center of gravity through the anti-falling guarantee mechanism (6), and once the center of gravity is about to be unbalanced, inflating or deflating the center of gravity adjusting telescopic rod (503) through the bidirectional air pump (402) to enable the center of gravity sliding plate (502) to slide in the center of gravity support (501) and adjust the center of gravity of the medical chair seat plate (1);

s5, the anti-falling guarantee mechanism (6) can stretch out when the gravity center support (501) slides, and a user is prevented from falling due to the sliding of the gravity center support (501).

Technical Field

The invention belongs to the technical field of medical chairs, and particularly relates to a medical chair with an anti-toppling function and a using method thereof.

Background

Hospital chairs, also known as medical chairs, used for temporary rest, often require to be compatible with the environment, are firm, beautiful, have better bearing capacity, are suitable for various people to use, are convenient to clean, mostly adopt hard chair surfaces, are generally metal, plastic, bent wood splints and the like, and are divided into indoor and outdoor types.

At present, when the number of people in a hospital is large, patients waiting for treatment in line generally sit on a medical chair to have a rest and wait for treatment, some patients may sleep on the medical chair in the waiting process, after the patients sleep, bodies are in an unconscious state and can be inclined backwards unconsciously, the gravity center of the medical chair is likely to be unbalanced, the medical chair in the current stage is lack of an anti-toppling mechanism, the gravity center unbalance is likely to cause toppling of the medical chair, the patients fall and are injured, meanwhile, if old people topple over the medical chair in the gravity center unbalance, the extreme conditions of fracture and cardiovascular and cerebrovascular rupture are likely to be caused, the serious threat is formed on the body safety of the users, and meanwhile, certain loss of the hospital is caused.

Therefore, in view of the above technical problems, there is a need for a medical chair with anti-toppling function and a method for using the same.

Disclosure of Invention

The invention aims to provide a medical chair with an anti-toppling function and a using method thereof, and aims to solve the problem that a user is dropped and injured due to toppling of the medical chair due to unbalanced center of gravity.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a medical chair with prevent empting function, includes medical chair bedplate, one side of medical chair bedplate is equipped with medical chair back, be connected with angle adjusting mechanism between medical chair bedplate and the medical chair back, angle adjusting mechanism includes the connecting axle, one side of connecting axle is connected with the angle ratchet, be connected with the gyration gag lever post on the medical chair bedplate, be connected with down on the gyration gag lever post and press the ratchet pole, be connected with rotary spring down between ratchet pole and the gyration gag lever post, one side that medical chair bedplate kept away from the gyration gag lever post is connected with the anticreep gag lever post, gyration gag lever post and anticreep gag lever post all with medical chair back between be connected with retarding mechanism, one side of medical chair bedplate is equipped with insurance supporting mechanism.

Furthermore, the connecting shaft penetrates through the medical chair seat plate and the medical chair backrest and can rotate as the medical chair backrest, so that the medical chair backrest cannot be separated from the medical chair seat plate when the angle is adjusted, the support of the medical chair backrest for a user is more stable, one side of the connecting shaft, which is far away from the angle ratchet, is connected with the symmetrical limiting rings, the symmetrical limiting rings can be matched with the angle ratchet, the position of the connecting shaft cannot move, the deviation of the angle ratchet is prevented, the possibility of the reduction of the precision between the angle ratchet and the pressing-down ratchet rod is avoided, the angle of the medical chair backrest can be adjusted more accurately, the rotary limiting rod penetrates through the pressing-down ratchet rod, the pressing-down ratchet rod can rotate on the rotary limiting rod, and the pressing-down ratchet rod can be separated from the angle ratchet, the angle of the backrest of the medical chair can be adjusted, and a multi-tooth clamping groove matched with the angle ratchet wheel is formed in the lower pressing ratchet rod in a chiseled mode.

Furthermore, the retarding mechanism comprises a connecting receiving sliding rod, the connecting receiving sliding rod can slide with a connecting sliding-out rod, the retarding mechanism extends and can extend along with the angle adjustment of the backrest of the medical chair, a pair of rotating anti-falling grooves matched with the rotating limiting rod and the anti-falling limiting rod are respectively arranged on the connecting receiving sliding rod, the connecting receiving sliding rod can be fixed by the rotating anti-falling grooves, the connecting receiving sliding rod is prevented from being separated from the rotating limiting rod or the anti-falling limiting rod, so that the angle adjustment of the backrest of the medical chair can be more conveniently fed back to the sliding of the connecting sliding-out rod, the connecting sliding rod is connected with the connecting sliding-out rod, the connecting sliding-out rod can be connected with the backrest of the medical chair through the retarding connecting rod, the sliding rod can be driven by the backrest of the medical chair to slide, meanwhile, the connecting sliding-out rod can be placed, and the connecting sliding rod is connected with, the hydraulic fixing rod can be used for supporting the slow pressure release block, meanwhile, the slow pressure release block can be fixed at a position where the connection sliding rod can slide to avoid being driven by the connection sliding rod, the hydraulic fixing rod is connected with the slow pressure release block, the slow pressure release block can be used for compressing hydraulic oil through the sliding of the connection sliding rod, so that the hydraulic oil can only pass through the slow pressure release hole, the sliding speed of the connection sliding rod is reduced, the angle adjusting speed of the backrest of the medical chair is synchronously reduced through reducing the sliding speed of the connection sliding rod, the possibility that the backrest of the medical chair is damaged due to too high falling speed is avoided, and meanwhile, a user on the seat board of the medical chair is prevented from being damaged, one end of the connection sliding rod, far away from the connection sliding rod, is connected with the slow connecting rod, and the connection between the connection sliding rod and the backrest of the medical, the sliding of the connecting slide-out rod can slide with the backrest of the medical chair.

Furthermore, a telescopic slow groove matched with the connection sliding-out rod is formed in the connection sliding rod in a chiseled mode, the connection sliding-out rod can slide in the connection sliding rod due to the arrangement of a telescopic ring groove, a slow mechanism can stretch and retract, the hydraulic fixing rod is arranged in a penetrating mode and is connected with the sliding-out rod in a penetrating mode, leakage of hydraulic oil can be avoided due to the arrangement of the hydraulic fixing rod in a penetrating mode and is connected with the sliding-out rod, the connection sliding-out rod is better in sealing performance, a telescopic hydraulic groove matched with the slow pressure relief block is formed in the connection sliding-out rod in a chiseled mode, the telescopic hydraulic groove can slide in the slow pressure relief block, the slow pressure relief block cannot be clamped, the connection sliding-out rod can stretch and retract, a plurality of slow pressure relief holes are formed in the slow pressure relief block in a chiseled mode, pressure relief can be relieved due to the arrangement of the slow pressure relief holes, a hydraulic rotating groove matched with the slow, the hydraulic rotating groove enables the adjustment of the angle of the backrest of the medical chair to drive the connection sliding rod to slide.

Furthermore, the safety support mechanism comprises an air pump support plate, a bidirectional air pump can be fixed by the air pump support plate, the air pump support plate is connected with a bidirectional air pump, the bidirectional air pump can be used for pumping air and inflating or pumping air to the support telescopic rod or the gravity center adjusting telescopic rod to enable the support telescopic rod or the gravity center adjusting telescopic rod to extend and contract, one side of the air pump support plate, which is far away from the bidirectional air pump, is connected with a pair of support telescopic rods, the support telescopic rods can be used for retracting or extending through the bidirectional air pump, so that the medical chair backrest can be supported, the medical chair backrest can be effectively supported, the situation that the medical chair backrest falls too fast due to the damage of the speed reducing mechanism is prevented, the bidirectional air pump is connected with a support connecting pipe matched with the support telescopic rods, and the support telescopic rods, universal ball pole can be fixed in the setting of universal groove pole, makes universal ball pole rotate in universal groove pole, universal ball pole in-connection has universal ball pole, and universal ball pole can support the multi-angle backup pad, can make the multi-angle backup pad carry out the adjustment of multi-angle, prevents that the untight condition of multi-angle backup pad and medical chair back laminating from appearing, the one end that universal ball pole kept away from universal groove pole is connected with the multi-angle backup pad, and the setting of multi-angle backup pad can slide in focus skew support groove, can cooperate focus skew to support the groove and slide when medical chair bedplate is gliding, makes the multi-angle backup pad support medical chair back all the time, prevents that medical chair back from dropping fast.

Further, the support connecting pipe runs through the setting of air pump backup pad, and the setting that the support connecting pipe runs through the air pump backup pad can make the connection between support connecting pipe and the air pump backup pad inseparabler, and it is more accurate to make the lift that supports the telescopic link, and is more controlled, the universal rotation groove of having seted up in the universal groove pole with universal club assorted, universal rotation groove can be fixed universal club, prevents that universal club from breaking away from universal groove pole, the chisel on the medical chair back have with multi-angle backup pad assorted focus skew support groove, the setting in focus skew support groove can be spacing to the multi-angle backup pad, makes the support of multi-angle backup pad to the medical chair back more stable.

Furthermore, one side of the air pump supporting plate close to the medical chair plate is connected with a gravity center stabilizing mechanism, the gravity center stabilizing mechanism comprises a gravity center support, the gravity center support is arranged to enable a gravity center sliding plate to slide, the medical chair plate on the gravity center sliding plate can slide, and the gravity center can be adjusted, one side of the medical chair plate close to the gravity center support is connected with a gravity center sliding plate, the gravity center sliding plate can support the medical chair plate, the medical chair plate is prevented from collapsing, the service life of the medical chair plate is more stable, a pair of gravity center adjusting telescopic rods is connected between the gravity center support and the gravity center sliding plate, the gravity center sliding plate can slide in the gravity center support through the arrangement of the gravity center adjusting telescopic rods, the gravity center sliding plate can slide through the inflation and deflation of a bidirectional air pump, the gravity center adjusting telescopic rods are connected with gravity center connecting pipes matched with, the center of gravity connecting pipe is arranged to enable gas in the bidirectional air pump to enter the center of gravity adjusting telescopic rod, a plurality of evenly distributed smooth rollers are connected to two sides of the center of gravity sliding plate, the center of gravity sliding plate can slide in the center of gravity support more stably and smoothly due to the arrangement of the smooth rollers, a pair of limiting ejection blocks are connected in the center of gravity sliding plate, the limiting ejection blocks can be clamped with sliding limiting grooves through extrusion of ejection springs, sliding distances are limited for the center of gravity sliding plate, the center of gravity sliding plate is prevented from being separated from the center of gravity support, a plurality of ejection springs are connected between the limiting ejection blocks and the center of gravity sliding plate, the ejection springs can extrude the limiting ejection blocks, a pair of center of gravity support legs are connected to two sides of the center of gravity support, the center of gravity support legs can be.

Furthermore, a gravity center moving groove matched with the gravity center sliding plate is chiseled on the gravity center support, the gravity center moving groove can be arranged to enable the gravity center sliding plate to slide, meanwhile, the gravity center sliding plate is enabled to be more stable through the arrangement of the gravity center support, the inclination is prevented, a pull-back fixing groove matched with the gravity center adjusting telescopic rod is chiseled on the gravity center sliding plate, the fixation of the gravity center sliding plate and the gravity center adjusting telescopic rod can be more stable through the arrangement of the gravity center support, the gravity center adjusting telescopic rod is prevented from being separated from the arrangement of the gravity center sliding plate, the situation that the gravity center sliding plate cannot be pulled back is avoided, the gravity center connecting pipe penetrates through the gravity center support, a rotating wheel sliding groove matched with the smooth roller is chiseled on the gravity center sliding plate, a wheel placing balance groove matched with the smooth roller is chiseled on the gravity center support, and the situation that, and sliding limiting grooves matched with the limiting popping blocks are formed in the gravity center sliding plate and the gravity center support.

Furthermore, a control box is connected to the medical chair plate, the bidirectional air pump is electrically connected with the control box, and an anti-falling guarantee mechanism is connected between the gravity center supporting legs.

A use method of a medical chair with an anti-toppling function comprises the following steps:

s1, a user can hold a pressing ratchet rod and press down to adjust the angle of the backrest of the medical chair to a comfortable angle when sitting on the medical chair plate;

s2, simultaneously, the bidirectional air pump can inflate the supporting telescopic rod to enable the supporting telescopic rod to extend, so that the multi-angle supporting plate is in contact with the backrest of the medical chair to support the backrest of the medical chair;

s3, the medical chair backrest is subjected to retarding treatment by the retarding mechanism when the angle of the medical chair backrest is adjusted, and the medical chair backrest is prevented from descending too fast after the angle ratchet wheel loses the clamping;

s4, monitoring the center of gravity through the anti-falling guarantee mechanism, and inflating or deflating the center of gravity adjusting telescopic rod through the bidirectional air pump once the center of gravity is about to be unbalanced, so that the center of gravity sliding plate slides in the center of gravity support to adjust the center of gravity of the medical chair seat plate;

s5, the anti-falling guarantee mechanism is synchronous and can stretch out when the gravity center support slides, and a user is prevented from falling due to the sliding of the gravity center support.

Compared with the prior art, the invention has the following advantages:

according to the medical chair, due to the arrangement of the corresponding mechanisms on the medical chair, the occurrence of the condition of unbalanced center of gravity of the medical chair is greatly reduced, the medical chair is effectively prevented from toppling over due to unbalanced center of gravity, the probability that a user falls and is injured is effectively reduced, the threat to the body safety of the user is avoided, and the loss suffered by a hospital is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first side sectional view of a medical chair with anti-toppling function according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a structure A shown in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a second side sectional view of a medical chair with anti-toppling function according to an embodiment of the present invention;

FIG. 4 is a third sectional side view of a medical chair with anti-toppling function according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a structure B shown in FIG. 4 according to an embodiment of the present invention;

FIG. 6 is a first top cross-sectional view of a medical chair with anti-toppling features according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of the structure at C in FIG. 6 according to an embodiment of the present invention;

FIG. 8 is a second top cross-sectional view of a medical chair with anti-toppling features according to an embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating structure E in FIG. 8 according to an embodiment of the present invention;

FIG. 10 is a perspective view of a medical chair with anti-toppling function according to an embodiment of the present invention;

FIG. 11 is a rear sectional view of a medical chair with anti-toppling function according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a portion F in fig. 11 according to an embodiment of the present invention.

In the figure: 1. medical chair seat plate 101, medical chair backrest 102, control box 2, angle adjusting mechanism 201, connecting shaft 202, angle ratchet 203, rotary limiting rod 204, downward pressing ratchet rod 205, rotary spring 206, anti-dropping limiting rod 207, symmetrical limiting ring 3, speed reducing mechanism 301, connecting slide rod 302, connecting slide rod 303, hydraulic fixing rod 304, speed reducing pressure releasing block 305, speed reducing connecting rod 305, safety supporting mechanism 4, air pump supporting plate 401, two-way air pump 402, two-way air pump 403, supporting telescopic rod 404, supporting connecting pipe 405, universal groove rod 406, universal ball rod 407, multi-angle supporting plate 5, gravity stabilizing mechanism 501, gravity support 502, gravity sliding plate 503, gravity adjusting telescopic rod 504, gravity connecting pipe 505, smooth roller 506, limiting ejecting block 507, ejecting spring 508, gravity support leg 508, gravity stabilizing mechanism 501, gravity support 502, gravity center sliding plate 502, gravity center adjusting telescopic rod 503, gravity center connecting pipe 505, smooth roller 506, limiting ejecting block 507, ejecting spring 508, gravity center supporting leg 508, and the like, 6. The anti-falling protection mechanism comprises an anti-falling handrail 601, an anti-falling handrail 602, an electric telescopic rod 603 and a pressure sensor.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The invention discloses a medical chair with an anti-toppling function, which comprises a medical chair seat plate 1, wherein a medical chair back 101 is arranged at one side of the medical chair seat plate 1, the medical chair back 101 can be relied on by a user, an angle adjusting mechanism 2 is connected between the medical chair seat plate 1 and the medical chair back 101, the angle adjusting mechanism 2 comprises a connecting shaft 201, the connecting shaft 201 can prevent the medical chair seat plate 1 and the medical chair back 101 from being separated from each other to improve the stability of the medical chair back 101, an angle ratchet 202 is connected at one side of the connecting shaft 201, the angle ratchet 202 can fix the angle of the medical chair back 101 through the clamping with a lower pressing ratchet rod 204 to adjust the medical chair back 101 at a plurality of angles, a rotary limiting rod 203 is connected on the medical chair seat plate 1, the lower pressing ratchet rod 204 is connected on the rotary limiting rod 203, the setting of the ratchet rod 204 can be through the rotation on the gyration gag lever post 203 to carry out the block and loosen to angle ratchet 202, be connected with rotary spring 205 between ratchet rod 204 and the gyration gag lever post 203 down, rotary spring 205's setting can make and push down the ratchet rod 204 and the angle ratchet 202 between block always, prevent that the condition of medical chair back 101 activity from appearing, one side that medical chair seat board 1 kept away from gyration gag lever post 203 is connected with anticreep gag lever post 206, gyration gag lever post 203 and anticreep gag lever post 206 all are connected with speed reducing mechanism 3 with between medical chair back 101, one side of medical chair seat board 1 is equipped with insurance supporting mechanism 4.

Wherein, the anti-falling protection mechanism 6 comprises an anti-falling handrail 601, a pair of gravity center support legs 508 are all provided with a rod holding telescopic groove matched with the anti-falling handrail 601 in a chiseled mode, the anti-falling handrail 601 can be arranged to extend out through an electric telescopic rod 602 when the gravity center sliding plate 502 slides, so that the anti-falling handrail 601 can block a user, the falling of the user caused by the sliding of the gravity center sliding plate 502 is prevented, the safety of the user is enhanced, the gravity center support legs 508 are connected with the electric telescopic rods 602, the electric telescopic rods 602 can be arranged to extend and retract under the control of the control box 102 and can support the anti-falling handrail 601, the gravity center support legs 508 are provided with electric telescopic fixing grooves matched with the electric telescopic rods 602 in a chiseled mode, the pair of electric telescopic rods 602 are all connected with the anti-falling handrail 601, one ends of the gravity center support legs 508, the gravity center of the gravity center support 501 can be sensed by the pressure sensors 603, the control box 102 can be informed when the gravity center is greatly deviated, the gravity center sliding plate 502 can slide through the control box 102, the gravity center can tend to be normal, the medical chair seat plate 1 is prevented from being toppled over, and the damage to a user is avoided.

Referring to fig. 1-2, a connecting shaft 201 is disposed through a medical chair seat plate 1 and a medical chair back 101, the connecting shaft 201 can rotate as the medical chair back 101, so that the medical chair back 101 is not separated from the medical chair seat plate 1 when the angle is adjusted, the medical chair back 101 can support a user more stably, one side of the connecting shaft 201 away from an angle ratchet 202 is connected with a symmetrical limiting ring 207, the symmetrical limiting ring 207 can be matched with the angle ratchet 202, the position of the connecting shaft 201 cannot move, the deviation of the angle ratchet 202 is prevented, the possibility of the precision reduction between the angle ratchet 202 and a downward pressing ratchet 204 is avoided, the angle of the medical chair back 101 can be adjusted more accurately, a rotary limiting rod 203 is disposed through the downward pressing ratchet 204, the rotary limiting rod 203 is disposed through the downward pressing ratchet 204, so that the downward pressing ratchet 204 can rotate on the rotary limiting rod 203, the downward pressing ratchet bar 204 and the angle ratchet 202 can be mutually separated, the angle of the medical chair back 101 can be adjusted, and a multi-tooth clamping groove matched with the angle ratchet 202 is drilled on the downward pressing ratchet bar 204.

Referring to fig. 1 to 5, the speed reducing mechanism 3 includes a connection receiving slide bar 301, the connection receiving slide bar 301 is configured to slide with a connection sliding-out bar 302, and to extend the speed reducing mechanism 3 and extend or contract with the angle adjustment of the medical chair back 101, a pair of connection receiving slide bars 301 are respectively provided with a rotation anti-slip groove matching with the rotation limiting bar 203 and the anti-slip limiting bar 206, the rotation anti-slip groove is configured to fix the connection receiving slide bar 301, so as to prevent the connection receiving slide bar 301 from separating from the rotation limiting bar 203 or the anti-slip limiting bar 206, so that the angle adjustment of the medical chair back 101 is more conveniently fed back to the sliding of the connection sliding bar 302, the connection sliding bar 302 is connected in the connection receiving slide bar 301, the connection sliding bar 302 can be connected with the medical chair back 101 through a speed reducing connecting bar 305, and can slide by the driving of the medical chair back 101, meanwhile, the connecting sliding rod 302 can be used for placing hydraulic oil, the connecting sliding rod 301 is internally connected with a hydraulic fixing rod 303, the hydraulic fixing rod 303 can be arranged to support a slow release block 304, meanwhile, the slow release block 304 can be fixed by the hydraulic fixing rod 303 when the connecting sliding rod 302 slides and can be prevented from being driven by the connecting sliding rod 302, the slow release block 304 is connected to the hydraulic fixing rod 303, the slow release block 304 can compress the hydraulic oil through the sliding of the connecting sliding rod 302, so that the hydraulic oil can only pass through slow release holes, the sliding speed of the connecting sliding rod 302 is reduced, the angle adjusting speed of the medical chair backrest 101 is synchronously reduced through reducing the sliding speed of the connecting sliding rod 302, the phenomenon that the falling speed of the medical chair backrest 101 is too high to cause damage is avoided, and meanwhile, a user on the medical chair seat plate 1 is prevented from being damaged, one end of the connecting slide-out rod 302, which is far away from the connecting slide-receiving rod 301, is connected with a slow connecting rod 305, and the slow connecting rod 305 can be used for connecting the connecting slide-out rod 302 and the medical chair back 101, so that the connecting slide-out rod 302 can slide with the medical chair back 101.

Referring to fig. 1-5, a connection receiving slide bar 301 is provided with a telescopic slow-moving groove matched with a connection sliding-out bar 302, a telescopic ring groove is arranged to enable the connection sliding-out bar 302 to slide in the connection receiving slide bar 301, so as to extend and retract the slow-moving mechanism 3, a hydraulic fixing bar 303 is arranged to penetrate through the connection sliding-out bar 302, the hydraulic fixing bar 303 is arranged to penetrate through the connection sliding-out bar 302 so as to avoid leakage of hydraulic oil, so that the connection sliding-out bar 302 has better sealing performance, a telescopic hydraulic groove matched with a slow-moving pressure block 304 is arranged in the connection sliding-out bar 302, the telescopic hydraulic groove is arranged to enable the slow-moving pressure block 304 to slide, so that the slow-moving pressure block 304 is not blocked, so that the connection sliding-out bar 302 can extend and retract, a plurality of slow-moving pressure release holes are arranged in the slow-moving pressure release block 304, so that hydraulic oil can pass through, a hydraulic rotating groove matched with the slow-moving pressure connecting bar 305 is arranged in the medical chair backrest 101, the hydraulic rotating groove is arranged so that the adjustment of the angle of the medical chair back 101 can drive the sliding of the connecting sliding rod 302.

Referring to fig. 11 to 12, the safety support mechanism 4 includes an air pump support plate 401, the air pump support plate 401 is configured to fix a bidirectional air pump 402, the air pump support plate 401 is connected with the bidirectional air pump 402, the bidirectional air pump 402 is configured to pump air and inflate or deflate the support telescopic rod 403 or the center-of-gravity adjustment telescopic rod 503 to extend or retract the support telescopic rod 403 or the center-of-gravity adjustment telescopic rod 503, one side of the air pump support plate 401 away from the bidirectional air pump 402 is connected with a pair of support telescopic rods 403, the support telescopic rods 403 are configured to retract or extend by the bidirectional air pump 402, so as to support the seatback 101, thereby effectively supporting the seatback 101, preventing the seatback 101 from falling too fast due to damage of the speed reducing mechanism 3, the bidirectional air pump 402 is connected with a support connection pipe 404 matching with the support telescopic rod 403, support and be connected with universal groove pole 405 on the telescopic link 403, universal club 406 can be fixed in setting up of universal groove pole 405, make universal club 406 rotate in universal groove pole 405, universal groove pole 405 in-connection has universal club 406, universal club 406 can support multi-angle support plate 407, can make multi-angle support plate 407 carry out the adjustment of multi-angle, prevent that multi-angle support plate 407 and the untight condition of medical chair back 101 laminating from appearing, the one end that universal club 406 kept away from universal groove pole 405 is connected with multi-angle support plate 407, multi-angle support plate 407's setting can slide in focus skew support groove, can cooperate focus skew support groove to slide when medical chair seat board 1 slides, make multi-angle support plate 407 support medical chair back 101 all the time, prevent medical chair back 101's quick drop.

Referring to fig. 11 to 12, the support connection pipe 404 is disposed through the air pump support plate 401, such that the connection between the support connection pipe 404 and the air pump support plate 401 is more tight, the lifting of the support extension rod 403 is more accurate, and the support connection pipe 404 is more controlled, a universal rotation groove matched with the universal ball rod 406 is formed in the universal groove rod 405, the universal ball rod 406 can be fixed through the universal rotation groove, the universal ball rod 406 is prevented from being separated from the universal groove rod 405, a gravity center offset support groove matched with the multi-angle support plate 407 is formed in the medical chair back 101, the gravity center offset support groove is disposed to limit the multi-angle support plate 407, and the multi-angle support plate 407 can support the medical chair.

Referring to fig. 6-9, a center of gravity stabilizing mechanism 5 is connected to one side of the air pump support plate 401 close to the medical chair seat plate 1, the center of gravity stabilizing mechanism 5 includes a center of gravity support 501, the center of gravity support 501 is configured to enable the center of gravity sliding plate 502 to slide, so that the medical chair seat plate 1 on the center of gravity sliding plate 502 can slide, and the center of gravity can be adjusted, the center of gravity sliding plate 502 is connected to one side of the medical chair seat plate 1 close to the center of gravity support 501, the center of gravity sliding plate 502 can be configured to support the medical chair seat plate 1, so as to prevent the medical chair seat plate 1 from collapsing, so that the service life of the medical chair seat plate 1 is more stable, a pair of center of gravity adjusting telescopic rods 503 is connected between the center of gravity support 501 and the center of gravity sliding plate 502, the center of gravity sliding plate 502 can, the gravity center is adjusted, a gravity center connecting pipe 504 matched with the gravity center adjusting telescopic rod 503 is connected to the bidirectional air pump 402, the gravity center connecting pipe 504 is arranged to lead air in the bidirectional air pump 402 into the gravity center adjusting telescopic rod 503, a plurality of smooth rollers 505 which are uniformly distributed are connected to both sides of the gravity center sliding plate 502, the smooth rollers 505 are arranged to enable the gravity center sliding plate 502 to slide more stably and smoothly in the gravity center bracket 501, a pair of limiting ejection blocks 506 are connected in the gravity center sliding plate 502, the limiting ejection blocks 506 are arranged to be clamped with sliding limiting grooves through the extrusion of the ejection springs 507 to limit the sliding distance of the gravity center sliding plate 502, the gravity center sliding plate 502 is prevented from being separated from the gravity center bracket 501, a plurality of ejection springs 507 are connected between the limiting ejection blocks 506 and the gravity center sliding plate 502, the ejection springs 507 can extrude the limiting ejection blocks 506, a pair of gravity center supporting, the center of gravity support leg 508 may be configured to support the center of gravity support 501 to prevent tilting of the center of gravity support 501.

Referring to fig. 5 to 9, a center of gravity moving slot matched with the center of gravity sliding plate 502 is chiseled on the center of gravity bracket 501, the center of gravity moving slot is arranged to slide the center of gravity sliding plate 502, the center of gravity sliding plate 502 is more stable and is prevented from inclining by the arrangement of the center of gravity bracket 501, a pullback fixing slot matched with the center of gravity adjusting telescopic rod 503 is chiseled on the center of gravity sliding plate 502, the fixation of the center of gravity sliding plate 502 and the center of gravity adjusting telescopic rod 503 is more stable by the arrangement of the center of gravity bracket 501, the center of gravity adjusting telescopic rod 503 is prevented from being separated from the arrangement of the center of gravity sliding plate 502, the situation that the center of gravity sliding plate 502 cannot be pullback is avoided, the center of gravity connecting pipe 504 is arranged through the center of gravity bracket 501, a rotating wheel sliding slot matched with the smooth roller 505 is chisele, the arrangement of the wheel-placing balance groove can prevent the gravity center sliding plate 502 from being clamped with the gravity center bracket 501, and sliding limit grooves matched with the limit pop-up blocks 506 are formed in the gravity center sliding plate 502 and the gravity center bracket 501 in a chiseled mode.

Referring to fig. 1 to 12, a control box 102 is connected to a medical chair seat plate 1, a bidirectional air pump 402, an electric telescopic rod 602 and a pressure sensor 603 are electrically connected to the control box 102, an anti-drop support mechanism 6 is connected between a pair of gravity center support legs 508, a control unit is arranged in the control box 102, a user can program corresponding logic language into the control unit, the user can control the operation of the bidirectional air pump 402, the electric telescopic rod 602 and the pressure sensor 603 through the logic language, and the bidirectional air pump 402, the electric telescopic rod 602 and the pressure sensor 603 can be opened and closed through the control of the control box 102.

A use method of a medical chair with an anti-toppling function comprises the following steps:

s1, a user can hold a pressing ratchet rod 204 and press down to adjust the angle of the backrest 101 of the medical chair to a comfortable angle when sitting on the medical chair plate 1;

s2, simultaneously, the bidirectional air pump 402 inflates the supporting telescopic rod 403, so that the supporting telescopic rod 403 is extended, the multi-angle supporting plate 407 is in contact with the medical chair backrest 101, and the medical chair backrest 101 is supported;

s3, the speed slowing mechanism 3 can carry out speed slowing treatment on the medical chair back 101 when the angle of the medical chair back 101 is adjusted, and the medical chair back 101 is prevented from descending too fast after the angle ratchet wheel 202 loses the clamping;

s4, monitoring the center of gravity through the anti-falling guarantee mechanism 6, and once the center of gravity is about to be unbalanced, inflating or deflating the center of gravity adjusting telescopic rod 503 through the bidirectional air pump 402 to enable the center of gravity sliding plate 502 to slide in the center of gravity support 501, so as to adjust the center of gravity of the medical chair seat plate 1;

s5, synchronously, the anti-falling guarantee mechanism 6 extends out when the gravity center support 501 slides, and a user is prevented from falling due to the sliding of the gravity center support 501.

According to the technical scheme, the invention has the following beneficial effects:

according to the medical chair, due to the arrangement of the corresponding mechanisms on the medical chair, the occurrence of the condition of unbalanced center of gravity of the medical chair is greatly reduced, the medical chair is effectively prevented from toppling over due to unbalanced center of gravity, the probability that a user falls and is injured is effectively reduced, the threat to the body safety of the user is avoided, and the loss suffered by a hospital is reduced.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.