CN110327176B

CN110327176B - Medical care chair of changing dressings convenient to use type

Info

Publication number: CN110327176B
Application number: CN201910521277.1A
Authority: CN
Inventors: 李良凤; 王振颖; 刘媛媛; 蒋娜娜; 韩冬梅; 温江旺
Original assignee: Individual
Current assignee: Li Liangfeng
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2021-06-11
Anticipated expiration: 2039-06-17
Also published as: CN110327176A

Abstract

The invention relates to a medical care dressing change chair, in particular to a medical care dressing change chair convenient to use. Therefore, the technical problems of the invention are as follows: the utility model provides a convenient to use type medical care chair of changing dressings that can adjust, labour saving and time saving. The technical implementation scheme of the invention is as follows: a convenient-to-use medical care dressing change chair comprises a chair plate, a backup plate, a first support plate, a second support plate, a first large swinging plate, a first large supporting plate, a first large rotating shaft, a first large bearing, a first large rotating wheel and the like; the left part of the front side wall of the chair plate is provided with a first large swinging groove, and the left side wall of the chair plate is provided with a first large rotating hole. The convenient-to-use medical care dressing change chair provided by the invention is flexible and simple in structure, can be conveniently adjusted, can better support the legs of a patient, is convenient for medical staff to change dressings for the legs of the patient, is time-saving and labor-saving, reduces the burden of the medical staff, and is beneficial to the nursing dressing change work.

Description

Medical care chair of changing dressings convenient to use type

Technical Field

The invention relates to a medical care dressing change chair, in particular to a medical care dressing change chair convenient to use.

Background

The medical care specialty is to engage in clinical care and nursing management work, the medical care specialty distributes at all levels all kinds of comprehensive hospitals, the specialty hospital, the first aid center, rehabilitation center and community medical service center, medical care personnel need paste into the patient body little meticulous nursing, carefully observe, and discover the state of an illness change in time, take effective measure to make patient turn critical to ann, cooperate closely with the doctor, the recovered process of patient is accelerated to the application nursing procedure, medical personnel usually use the chair of changing dressings to nurse for patient and change dressings, current medical care chair of changing dressings is fixed in structure, can't adjust, be difficult to carry out better bearing to patient's shank, it is troublesome to lead to medical personnel to change dressings to patient's shank, waste time and energy, aggravate medical personnel's burden, be unfavorable for going on of nursing and changing dressings work.

Disclosure of Invention

In order to overcome the defects that the existing medical care dressing change chair is fixed in structure, cannot be adjusted and is difficult to better support the legs of a patient, so that medical workers have trouble dressing change on the legs of the patient, waste time and labor and increase the burden of the medical workers, the invention has the technical problems that: the utility model provides a convenient to use type medical care chair of changing dressings that can adjust, labour saving and time saving.

The technical implementation scheme of the invention is as follows: a convenient-to-use medical care dressing change chair comprises a chair plate, a backup plate, a first support plate, a second support plate, a first large swing plate, a first large support plate, a first large rotating shaft, a first large bearing, a first large rotating wheel, a first large gear wheel, a first large arc-shaped toothed plate, a first guide rod, a first concave plate, a first baffle plate, a first spring, a first pull ring, a second large swing plate, a second large support plate, a second large rotating shaft, a second large bearing, a second large rotating wheel, a second large gear wheel, a second large arc-shaped toothed plate, a second guide rod, a second concave plate, a second baffle plate, a second spring, a second pull ring, a first ratchet plate and a second ratchet plate, wherein the left part of the front side wall of the chair plate is provided with a first large swing groove, the left side wall of the chair plate is provided with a first large rotation hole, the first large rotation hole is positioned at the left side of the first large swing groove, and is communicated with the first large swing groove, the right part of the front side wall of the chair plate is provided with a second large swing groove, the right side wall of the chair plate is provided with a second large rotation hole, the second large rotation hole is positioned at the right side of the second large swing groove, the second large rotation hole is communicated with the second large swing groove, the rear end of the top of the chair plate is connected with a backup plate, the backup plate is positioned behind the first large swing groove and the second large swing groove, the left part of the backup plate is provided with a first large rectangular groove, the backup plate is provided with a first large rectangular jack, the first large rectangular jack is positioned at the right side of the first large rectangular groove, the first large rectangular jack is communicated with the first large rectangular groove, the left side wall of the backup plate is provided with a first large rectangular jack extending rightwards, the first large rectangular jack is communicated with the first large rectangular groove, the right part of the backup plate is provided with a second large rectangular jack, the second large rectangular jack is positioned at the left side of the second large rectangular groove, the second big circular jack is communicated with the second big rectangular groove, the second big circular jack is positioned at the right side of the first big circular jack, the right side wall of the backup plate is provided with a second big rectangular jack extending leftwards, the second big rectangular jack is communicated with the second big rectangular groove, the second big rectangular jack is positioned below the second big circular jack, the second big rectangular jack is positioned at the right side of the first big rectangular jack, the bottom of the chair plate is connected with a first supporting plate and a second supporting plate, the first supporting plate is positioned at the left side of the first big swing groove, the second supporting plate is positioned at the right side of the second big swing groove, the upper end of the first big swing plate is positioned in the first big swing groove, the first big supporting plate is positioned below the chair plate, the top of the first big supporting plate is provided with a first big slot extending downwards, the first big swing plate is positioned in the first big slot, the first big swing plate is in sliding fit with the first big swing groove, the left side wall of the first big supporting plate is provided with a first guide groove, the first guide groove is communicated with the first large slot, a first small groove is formed in the left side wall of the first large swing plate, the first large swing shaft is rotatably positioned in the first large swing groove and the first large rotary hole, the upper end of the first large swing plate is fixedly sleeved on the first large rotary shaft, the right end of the first large rotary shaft is in interference fit connection with the first large bearing, the first large bearing is embedded in the chair plate and positioned on the right side of the first large swing groove, the left end of the first large rotary shaft is connected with a first large rotary wheel which is positioned on the left side of the chair plate, the first large gear wheel is fixedly sleeved on the first large rotary shaft and positioned between the chair plate and the first large rotary wheel, the first large arc toothed plate is positioned under the first large gear wheel, the first large arc toothed plate is meshed with the first large gear wheel, the first large arc toothed plate is contacted with the first large gear wheel, and the bottom of the first large arc toothed plate is connected with a first guide rod, the first guide rod is positioned on the left side of the first support plate, the left side wall of the first support plate is connected with a first concave plate, the first concave plate is provided with a first lifting hole which penetrates through the first concave plate up and down, the first guide rod is slidably positioned in the first lifting hole, the first guide rod is connected with a first baffle plate, the first baffle plate is positioned in the first concave plate, the first baffle plate is contacted with the first concave plate, a first spring is sleeved on the first guide rod, the first spring is positioned in the first concave plate, the first spring is positioned below the first baffle plate, the lower end of the first guide rod is connected with a first pull ring, the first pull ring is positioned below the first concave plate, the first pull ring is contacted with the first concave plate, the upper end of the second large swing plate is positioned in the second large swing groove, the second large support plate is positioned below the chair plate, the top of the second large support plate is provided with a second large slot which extends downwards, the second large swing plate is positioned in the second large slot, the second large swing plate is in sliding fit with the second large slot, a second guide groove is formed in the right side wall of the second large supporting plate, the second large rotation shaft is rotatably positioned in the second large swing groove and the second large rotation hole, the upper end of the second large swing plate is fixedly sleeved on the second large rotation shaft, the left end of the second large rotation shaft is in interference connection with a second large bearing which is embedded in the chair plate and positioned on the left side of the second large swing groove, the right end of the second large rotation shaft is connected with a second large rotation wheel which is positioned on the right side of the chair plate, a second large gear wheel is fixedly sleeved on the second large rotation shaft and positioned between the chair plate and the second large rotation wheel, the second large arc toothed plate is positioned under the second large gear wheel, the second large arc toothed plate is meshed with the second large gear wheel, the second large arc toothed plate is contacted with the second large gear wheel, and the bottom of the second large arc toothed plate is connected with a second guide rod, the second guide rod is located on the right side of the second support plate, a second concave plate is connected to the right side wall of the second support plate, a second lifting hole penetrating through the second concave plate vertically is formed in the second concave plate, the second guide rod is located in the second lifting hole in a sliding mode, the second guide rod is connected with a second baffle plate, the second baffle plate is located in the second concave plate, the second baffle plate is in contact with the second concave plate, a second spring is sleeved on the second guide rod and located in the second concave plate, the second spring is located below the second baffle plate, a second pull ring is connected to the lower end of the second guide rod and located below the second concave plate, the second pull ring is in contact with the second concave plate, the first ratchet plate is located in a first small groove, the first ratchet plate is connected with a first large swinging plate, a second small groove is formed in the right side wall of the second large swinging plate, the second ratchet plate is located in the second small groove, and the second ratchet plate is connected with a second large swinging plate.

Optionally, the device also comprises a first large arc-shaped supporting plate, a first large connecting shaft, a first large sleeve, a first large screw rod, a first small rotating wheel, a second large arc-shaped supporting plate, a second large connecting shaft, a second large sleeve, a second large screw rod and a second small rotating wheel, wherein the first large arc-shaped supporting plate is positioned in a first large rectangular groove, the upper end of the first large arc-shaped supporting plate is fixedly sleeved on the first large connecting shaft, the right end of the first large connecting shaft is rotatably positioned in the first large circular insertion hole, the left side wall of the backup plate is embedded with the first large sleeve, the first large sleeve is positioned on the left side of the first large rectangular groove, the first large connecting shaft is positioned in the first large sleeve, the first large connecting shaft is contacted with the first large sleeve, the front side of the connecting shaft of the first large sleeve is connected with the first large screw rod in a threaded manner, the rear end of the first large screw rod is contacted with the first large connecting shaft, the left end of the first large rotating wheel, the big connecting axle of second is located the big telescopic left side of second, the big arc layer board of second is located the big rectangular channel of second, the upper end fixed sleeve of the big arc layer board of second is on the big connecting axle of second, the left end rotary type of the big connecting axle of second is located the big circular jack of second, the right side wall of backup plate inlays and is equipped with the big sleeve pipe of second, the big sleeve pipe of second is located the right side of the big rectangular channel of second, the big connecting axle of second is located the big sleeve pipe of second, the big connecting axle of second contacts with the big sleeve pipe of second, the big sheathed tube front side screw thread of second is connected with the big screw rod of second, the rear end and the big connecting axle of second contact of the big screw rod of second, the right-hand member of the big connecting axle of second is connected with the little swiveling wheel of second, the little swiveling wheel of.

Optionally, the device also comprises a first large L-shaped rectangular rod, a first small supporting plate, a second large L-shaped rectangular rod and a second small supporting plate, wherein the rear end rod of the first large L-shaped rectangular rod is positioned in the first large rectangular jack and the first large rectangular groove, the first large L-shaped rectangular rod is contacted with the backing plate, the first large L-shaped rectangular rod is positioned in front of the first large rectangular supporting plate, the first large L-shaped rectangular rod is contacted with the first large rectangular supporting plate, the left front end of the first large L-shaped rectangular rod is connected with the first small supporting plate, the first small supporting plate is positioned in front of the backing plate, the rear end rod of the second large L-shaped rectangular rod is positioned in the second large rectangular jack and the second large rectangular groove, the second large L-shaped rectangular rod is contacted with the backing plate, the second large L-shaped rectangular rod is positioned in front of the second large rectangular supporting plate, the second large L-shaped rectangular rod is contacted with the second large L-shaped rectangular supporting plate, and the right front end of the second large L-shaped rectangular rod is connected with the second small supporting plate, the second small supporting plate is positioned in front of the backup plate.

Optionally, the device further comprises a first long ratchet block, a first arc-shaped plate spring, a second long ratchet block and a second arc-shaped plate spring, wherein the first long ratchet block is slidably positioned in the first guide groove and the first small groove, the first long ratchet block is positioned on the left side of the first ratchet plate, the first long ratchet block is matched with the first ratchet plate, the first long ratchet block is contacted with the first ratchet plate, the left end of the first long ratchet block is provided with a first small movable groove, the left side of the first large support plate is connected with the first arc-shaped plate spring, the lower end of the first arc-shaped plate spring is positioned in the first small movable groove, the first arc-shaped plate spring is contacted with the first long ratchet block, the second long ratchet block is slidably positioned in the second guide groove and the second small groove, the second long ratchet block is positioned on the right side of the second ratchet plate, the second long ratchet block is matched with the second ratchet plate, the second long ratchet block is contacted with the second ratchet plate, the right end of the second long ratchet block is provided with a second small movable groove, the right side of the second large arc-shaped plate spring is connected with the second support, the lower end of the second arc-shaped plate spring is positioned in the second small movable groove, and the second arc-shaped plate spring is contacted with the second long ratchet block.

The invention has the following advantages: the convenient-to-use medical care dressing change chair provided by the invention is flexible and simple in structure, can be conveniently adjusted, can better support the legs of a patient, is convenient for medical staff to change the dressing for the legs of the patient, saves time and labor, reduces the burden of the medical staff, is beneficial to nursing dressing change work, is convenient to use, easy to produce and manufacture, easy to maintain and repair, and low in production, manufacture, maintenance and repair cost.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a front view of the chair plate of the present invention.

Fig. 3 is a schematic top view of the first large L-shaped rectangular bar according to the present invention.

Fig. 4 is a left side view structural schematic diagram of the first large arc-shaped supporting plate of the invention.

The meaning of the reference symbols in the figures: 1: chair plate, 2: backup plate, 3: first support plate, 4: second support plate, 5: first large swing plate, 6: first large pallet, 7: first large rotation axis, 8: first large bearing, 9: first large rotating wheel, 10: first large gear, 11: first big arc pinion rack, 12: first guide bar, 13: first concave plate, 14: first baffle, 15: first spring, 16: first tab, 17: second large swing plate, 18: second large pallet, 19: second large rotation axis, 20: second large bearing, 21: second large rotation wheel, 22: second large gear, 23: second large arc toothed plate, 24: second guide bar, 25: second concave plate, 26: second baffle, 27: second spring, 28: second tab, 29: first spine panel, 30: second ratchet plate, 31: first large arc pallet, 32: first large connecting shaft, 33: first large sleeve, 34: first large screw, 35: first small rotating wheel, 36: second large arc pallet, 37: second large connecting shaft, 38: second large sleeve, 39: second large screw, 40: second small rotation wheel, 41: first large L-shaped rectangular bar, 42: first small pallet, 43: second large L-shaped rectangular bar, 44: second small pallet, 50: first small groove, 51: first long spine block, 52: first arc-shaped plate spring, 53: second long thorn block, 54: second arc-shaped plate spring, 60: first large slot, 61: first guide groove, 101: first large wobbling groove, 102: first large rotation hole, 103: second large wobbling groove, 104: second large rotation hole, 131: first lifting hole, 171: second small groove, 180: second large slot, 181: second guide groove, 201: first large rectangular groove, 202: first large circular insertion hole, 203: first large rectangular receptacle, 204: second large rectangular slot, 205: second large circular socket, 206: second large rectangular insertion hole, 251: second lifting hole, 511: first small active slot, 531: the second small movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A medical nursing dressing change chair convenient to use comprises a chair plate 1, a backup plate 2, a first support plate 3, a second support plate 4, a first large swinging plate 5, a first large supporting plate 6, a first large rotating shaft 7, a first large bearing 8, a first large rotating wheel 9, a first large gear 10, a first large arc toothed plate 11, a first guide rod 12, a first concave plate 13, a first baffle plate 14, a first spring 15, a first pull ring 16, a second large swinging plate 17, a second large supporting plate 18, a second large rotating shaft 19, a second large bearing 20, a second large rotating wheel 21, a second large gear 22, a second large arc toothed plate 23, a second guide rod 24, a second concave plate 25, a second baffle plate 26, a second spring 27, a second pull ring 28, a first ratchet plate 29 and a second ratchet plate 30, wherein a first large swinging groove 101 is formed in the left portion of the front side wall of the chair plate 1, and a first large rotating hole 102 is formed in the left side wall of the chair plate 1, the first big rotary hole 102 is positioned at the left side of the first big swing groove 101, the first big rotary hole 102 is communicated with the first big swing groove 101, the right part of the front side wall of the chair plate 1 is provided with a second big swing groove 103, the right side wall of the chair plate 1 is provided with a second big rotary hole 104, the second big rotary hole 104 is positioned at the right side of the second big swing groove 103, the second big rotary hole 104 is communicated with the second big swing groove 103, the rear end of the top of the chair plate 1 is connected with a backup plate 2, the chair plate 1 is connected with the backup plate 2 by welding connection, the backup plate 2 is positioned at the rear part of the first big swing groove 101 and the second big swing groove 103, the left part of the backup plate 2 is provided with a first big rectangular groove 201, the backup plate 2 is provided with a first big circular jack 202, the first big circular jack 202 is positioned at the right side of the first big rectangular groove, the first big circular jack 202 is communicated with the first big rectangular groove 201, the left side wall of the backup plate 2 is provided with a first big rectangular jack 203 extending rightwards, the first big rectangular jack 203 is communicated with the first big rectangular groove 201, the first big rectangular jack 203 is positioned below the first big rectangular jack 202, the right part of the backup plate 2 is provided with a second big rectangular groove 204, the backup plate 2 is provided with a second big rectangular jack 205, the second big rectangular jack 205 is positioned at the left side of the second big rectangular groove 204, the second big rectangular jack 205 is communicated with the second big rectangular groove 204, the second big rectangular jack 205 is positioned at the right side of the first big rectangular jack 202, the right side wall of the backup plate 2 is provided with a second big rectangular jack 206 extending leftwards, the second big rectangular jack 206 is communicated with the second big rectangular groove 204, the second big rectangular jack 206 is positioned below the second big rectangular jack 205, the second big rectangular jack 206 is positioned at the right side of the first big rectangular jack 203, the bottom of the chair plate 1 is connected with a first supporting plate 3 and a second supporting plate 4, the first supporting plate 3 and the second supporting plate 4 are both connected with the chair plate 1 by welding, the first support plate 3 is positioned at the left side of a first large swing groove 101, the second support plate 4 is positioned at the right side of a second large swing groove 103, the upper end of a first large swing plate 5 is positioned in the first large swing groove 101, the first large support plate 6 is positioned below the chair plate 1, the top of the first large support plate 6 is provided with a first large slot 60 extending downwards, the first large swing plate 5 is positioned in the first large slot 60, the first large swing plate 5 is in sliding fit with the first large slot 60, the left side wall of the first large support plate 6 is provided with a first guide groove 61, the first guide groove 61 is communicated with the first large slot 60, the left side wall of the first large swing plate 5 is provided with a first small groove 50, the first large rotating shaft 7 is rotatably positioned in the first large swing groove 101 and a first large rotating hole 102, the upper end of the first large swing plate 5 is fixedly sleeved on the first large rotating shaft 7, and the right end of the first large rotating shaft 7 is in interference connection with a first large bearing 8, the first big bearing 8 is embedded in the chair plate 1, the first big bearing 8 is positioned at the right side of the first big swing groove 101, the left end of the first big rotation shaft 7 is connected with a first big rotation wheel 9, the first big rotation wheel 9 is positioned at the left side of the chair plate 1, the first big rotation shaft 7 is fixedly sleeved with a first big gear wheel 10, the first big gear wheel 10 is positioned between the chair plate 1 and the first big rotation wheel 9, the first big arc-shaped toothed plate 11 is positioned under the first big gear wheel 10, the first big arc-shaped toothed plate 11 is meshed with the first big gear wheel 10, the first big arc-shaped toothed plate 11 is contacted with the first big gear wheel 10, the bottom of the first big arc-shaped toothed plate 11 is connected with a first guide rod 12, the first guide rod 12 is positioned at the left side of the first supporting plate 3, the left side wall of the first supporting plate 3 is connected with a first concave plate 13, the first concave plate 13 is provided with a first lifting hole 131 which penetrates up and down, the first guide rod 12 is slidably positioned in the first lifting hole 131, the first guide rod 12 is connected with a first baffle 14, the first baffle 14 is positioned in a first concave plate 13, the first baffle 14 is in contact with the first concave plate 13, a first spring 15 is sleeved on the first guide rod 12, the first spring 15 is positioned in the first concave plate 13, the first spring 15 is positioned below the first baffle 14, the lower end of the first guide rod 12 is connected with a first pull ring 16, the first pull ring 16 is positioned below the first concave plate 13, the first pull ring 16 is in contact with the first concave plate 13, the upper end of a second large swinging plate 17 is positioned in the second large swinging groove 103, the second large supporting plate 18 is positioned below the chair plate 1, the top of the second large supporting plate 18 is provided with a second large slot 180 extending downwards, the second large swinging plate 17 is positioned in the second large slot 180, the second large swinging plate 17 is in sliding fit with the second large slot 180, a second guide groove 181 is formed in the right side wall of the second large supporting plate 18, the second large rotating shaft 19 is rotatably located in the second large swinging groove 103 and the second large rotating hole 104, the upper end of the second large swinging plate 17 is fixedly sleeved on the second large rotating shaft 19, the left end of the second large rotating shaft 19 is in interference connection with a second large bearing 20, the second large bearing 20 is embedded in the chair plate 1, the second large bearing 20 is located on the left side of the second large swinging groove 103, the right end of the second large rotating shaft 19 is connected with a second large rotating wheel 21, the second large rotating wheel 21 is located on the right side of the chair plate 1, the second large gear 22 is fixedly sleeved on the second large rotating shaft 19, the second large gear 22 is located between the chair plate 1 and the second large rotating wheel 21, the second large arc toothed plate 23 is located right below the second large gear 22, the second large arc toothed plate 23 is engaged with the second large gear 22, and the second large arc toothed plate 23 is in contact with the second large gear 22, the bottom of the second large arc-shaped toothed plate 23 is connected with a second guide rod 24, the second guide rod 24 is located on the right side of the second support plate 4, the right side wall of the second support plate 4 is connected with a second concave plate 25, the second support plate 4 is connected with the second concave plate 25 by welding, the second concave plate 25 is provided with a second lifting hole 251 which penetrates through the second concave plate from top to bottom, the second guide rod 24 is slidably located in the second lifting hole 251, the second guide rod 24 is connected with a second baffle plate 26, the second baffle plate 26 is located in the second concave plate 25, the second baffle plate 26 is in contact with the second concave plate 25, a second spring 27 is sleeved on the second guide rod 24, the second spring 27 is located in the second concave plate 25, the second spring 27 is located below the second baffle plate 26, the lower end of the second guide rod 24 is connected with a second pull ring 28, the second pull ring 28 is located below the second concave plate 25, and the second pull ring 28 is in contact with the second concave plate 25, the first ratchet plate 29 is located in the first small groove 50, the first ratchet plate 29 is connected with the first large swing plate 5, the right side wall of the second large swing plate 17 is provided with a second small groove 171, the second ratchet plate 30 is located in the second small groove 171, and the second ratchet plate 30 is connected with the second large swing plate 17.

Example 2

A medical nursing dressing change chair convenient to use comprises a chair plate 1, a backup plate 2, a first support plate 3, a second support plate 4, a first large swinging plate 5, a first large supporting plate 6, a first large rotating shaft 7, a first large bearing 8, a first large rotating wheel 9, a first large gear 10, a first large arc toothed plate 11, a first guide rod 12, a first concave plate 13, a first baffle plate 14, a first spring 15, a first pull ring 16, a second large swinging plate 17, a second large supporting plate 18, a second large rotating shaft 19, a second large bearing 20, a second large rotating wheel 21, a second large gear 22, a second large arc toothed plate 23, a second guide rod 24, a second concave plate 25, a second baffle plate 26, a second spring 27, a second pull ring 28, a first ratchet plate 29 and a second ratchet plate 30, wherein a first large swinging groove 101 is formed in the left portion of the front side wall of the chair plate 1, and a first large rotating hole 102 is formed in the left side wall of the chair plate 1, the first big rotary hole 102 is positioned at the left side of the first big swing groove 101, the first big rotary hole 102 is communicated with the first big swing groove 101, the right part of the front side wall of the chair plate 1 is provided with a second big swing groove 103, the right side wall of the chair plate 1 is provided with a second big rotary hole 104, the second big rotary hole 104 is positioned at the right side of the second big swing groove 103, the second big rotary hole 104 is communicated with the second big swing groove 103, the rear end of the top of the chair plate 1 is connected with a backup plate 2, the backup plate 2 is positioned at the rear of the first big swing groove 101 and the second big swing groove 103, the left part of the backup plate 2 is provided with a first big rectangular groove 201, the backup plate 2 is provided with a first big circular jack 202, the first big circular jack 202 is positioned at the right side of the first big rectangular groove 201, the first big circular jack 202 is communicated with the first big rectangular groove 201, the left side wall of the backup plate 2 is provided with a first big rectangular slot 203 extending rightwards, the first big rectangular slot 201 is communicated with the first big rectangular groove 203, the first big rectangular jack 203 is positioned below the first big circular jack 202, the right part of the backup plate 2 is provided with a second big rectangular groove 204, the backup plate 2 is provided with a second big circular jack 205, the second big circular jack 205 is positioned at the left side of the second big rectangular groove 204, the second big circular jack 205 is communicated with the second big rectangular groove 204, the second big circular jack 205 is positioned at the right side of the first big circular jack 202, the right side wall of the backup plate 2 is provided with a second big rectangular jack 206 extending leftwards, the second big rectangular jack 206 is communicated with the second big rectangular groove 204, the second big rectangular jack 206 is positioned below the second big circular jack 205, the second big rectangular jack 206 is positioned at the right side of the first big rectangular jack 203, the bottom of the chair plate 1 is connected with a first support plate 3 and a second support plate 4, the first support plate 3 is positioned at the left side of the first big swing groove 101, the second support plate 4 is positioned at the right side of the second big swing groove 103, the upper end of the first large swing plate 5 is positioned in the first large swing groove 101, the first large supporting plate 6 is positioned below the chair plate 1, the top of the first large supporting plate 6 is provided with a first large slot 60 extending downwards, the first large swing plate 5 is positioned in the first large slot 60, the first large swing plate 5 is in sliding fit with the first large slot 60, the left side wall of the first large supporting plate 6 is provided with a first guide groove 61, the first guide groove 61 is communicated with the first large slot 60, the left side wall of the first large swing plate 5 is provided with a first small groove 50, the first large rotating shaft 7 is rotatably positioned in the first large swing groove 101 and the first large rotating hole 102, the upper end of the first large swing plate 5 is fixedly sleeved on the first large rotating shaft 7, the right end of the first large rotating shaft 7 is in interference connection with the first large bearing 8, the first large bearing 8 is embedded in the chair plate 1, the first large bearing 8 is positioned on the right side of the first large swing groove 101, the left end of the first large rotating shaft 7 is connected with a first large rotating wheel 9, the first large rotating wheel 9 is positioned on the left side of the chair plate 1, a first gearwheel 10 is fixedly sleeved on the first large rotating shaft 7, the first gearwheel 10 is positioned between the chair plate 1 and the first large rotating wheel 9, a first large arc-shaped toothed plate 11 is positioned under the first gearwheel 10, the first large arc-shaped toothed plate 11 is meshed with the first gearwheel 10, the first large arc-shaped toothed plate 11 is contacted with the first gearwheel 10, the bottom of the first large arc-shaped toothed plate 11 is connected with a first guide rod 12, the first guide rod 12 is positioned on the left side of the first supporting plate 3, the left side wall of the first supporting plate 3 is connected with a first concave plate 13, the first concave plate 13 is provided with a first lifting hole 131 which penetrates up and down, the first guide rod 12 is slidably positioned in the first lifting hole 131, the first guide rod 12 is connected with a first baffle 14, the first baffle 14 is positioned in the first concave plate 13, the first baffle plate 14 contacts with the first concave plate 13, the first spring 15 is sleeved on the first guide rod 12, the first spring 15 is positioned in the first concave plate 13, the first spring 15 is positioned below the first baffle plate 14, the lower end of the first guide rod 12 is connected with the first pull ring 16, the first pull ring 16 is positioned below the first concave plate 13, the first pull ring 16 contacts with the first concave plate 13, the upper end of the second large swing plate 17 is positioned in the second large swing groove 103, the second large support plate 18 is positioned below the chair plate 1, the top of the second large support plate 18 is provided with the second large slot 180 extending downwards, the second large swing plate 17 is positioned in the second large slot 180, the second large swing plate 17 is in sliding fit with the second large slot 180, the right side wall of the second large support plate 18 is provided with the second guide groove 181, the second large rotating shaft 19 is rotatably positioned in the second large swing groove 103 and the second large rotating hole 104, the upper end of the second large swing plate 17 is fixedly sleeved on the second large rotating shaft 19, the left end of the second large rotating shaft 19 is connected with a second large bearing 20 in an interference manner, the second large bearing 20 is embedded in the chair plate 1, the second large bearing 20 is positioned on the left side of the second large swing groove 103, the right end of the second large rotating shaft 19 is connected with a second large rotating wheel 21, the second large rotating wheel 21 is positioned on the right side of the chair plate 1, a second large gear 22 is fixedly sleeved on the second large rotating shaft 19, the second large gear 22 is positioned between the chair plate 1 and the second large rotating wheel 21, the second large arc-shaped toothed plate 23 is positioned under the second large gear 22, the second large arc-shaped toothed plate 23 is meshed with the second large gear 22, the second large arc-shaped toothed plate 23 is in contact with the second large gear 22, the bottom of the second large arc-shaped toothed plate 23 is connected with a second guide rod 24, the second guide rod 24 is positioned on the right side of the second support plate 4, the right side wall of the second support plate 4 is connected with a second concave plate 25, the second concave plate 25 is provided with a second lifting hole 251 which penetrates up and, the second guiding rod 24 is slidably located in the second lifting hole 251, the second guiding rod 24 is connected with the second baffle 26, the second baffle 26 is located in the second concave plate 25, the second baffle 26 contacts with the second concave plate 25, the second spring 27 is sleeved on the second guiding rod 24, the second spring 27 is located in the second concave plate 25, the second spring 27 is located below the second baffle 26, the lower end of the second guiding rod 24 is connected with the second pull ring 28, the second pull ring 28 is located below the second concave plate 25, the second pull ring 28 contacts with the second concave plate 25, the first ratchet plate 29 is located in the first small groove 50, the first ratchet plate 29 is connected with the first large swinging plate 5, the right side wall of the second large swinging plate 17 is provided with the second small groove 171, the second ratchet plate 30 is located in the second small groove 171, and the second ratchet plate 30 is connected with the second large swinging plate 17.

The device also comprises a first large arc-shaped supporting plate 31, a first large connecting shaft 32, a first large sleeve 33, a first large screw 34, a first small rotating wheel 35, a second large arc-shaped supporting plate 36, a second large connecting shaft 37, a second large sleeve 38, a second large screw 39 and a second small rotating wheel 40, wherein the first large arc-shaped supporting plate 31 is positioned in a first large rectangular groove 201, the upper end of the first large arc-shaped supporting plate 31 is fixedly sleeved on the first large connecting shaft 32, the right end of the first large connecting shaft 32 is rotatably positioned in a first large circular insertion hole 202, a first large sleeve 33 is embedded in the left side wall of the backup plate 2, the first large sleeve 33 is positioned on the left side of the first large rectangular groove 201, the first large connecting shaft 32 is positioned in the first large sleeve 33, the first large connecting shaft 32 is contacted with the first large sleeve 33, the first large screw 34 is connected with the front side thread of the first large sleeve 33, the rear end of the first large screw 34 is contacted with the first large connecting shaft 32, the left end of the first large connecting shaft 32 is connected with a first small rotating wheel 35, the first small rotating wheel 35 is located on the left side of the first large sleeve 33, the second large arc-shaped supporting plate 36 is located in the second large rectangular groove 204, the upper end of the second large arc-shaped supporting plate 36 is fixedly sleeved on the second large connecting shaft 37, the left end of the second large connecting shaft 37 is rotatably located in the second large circular insertion hole 205, the second large sleeve 38 is embedded in the right side wall of the backup plate 2, the second large sleeve 38 is located on the right side of the second large rectangular groove 204, the second large connecting shaft 37 is located in the second large sleeve 38, the second large connecting shaft 37 is in contact with the second large sleeve 38, the front side of the second large sleeve 38 is in threaded connection with a second large screw rod connecting shaft 39, the rear end of the second large screw rod 39 is in contact with the second large connecting shaft 37, the right end of the second large sleeve 37 is connected with a second small rotating wheel 40, and the second small rotating wheel 40 is located on the right side of the second.

Example 3

The back side of the first big L-shaped rectangular rod 41 is positioned in a first big rectangular jack 203 and a first big rectangular groove 201, the first big L-shaped rectangular rod 41 is contacted with the backup plate 2, the first big L-shaped rectangular rod 41 is positioned in front of the first big arc-shaped support plate 31, the first big L-shaped rectangular rod 41 is contacted with the first big arc-shaped support plate 31, the left front end of the first big L-shaped rectangular rod 41 is connected with the first small support plate 42, the first big L-shaped rectangular rod 41 is connected with the first small support plate 42 by welding, the first small support plate 42 is positioned in front of the backup plate 2, the back side of the second big L-shaped rectangular rod 43 is positioned in a second big rectangular jack 206 and a second big rectangular groove 204, the second big L-shaped rectangular rod 43 is contacted with the backup plate 2, the second big L-shaped rectangular rod 43 is positioned in front of the second big L-shaped rectangular rod 36, the second large L-shaped rectangular rod 43 is in contact with the second large arc-shaped supporting plate 36, the right front end of the second large L-shaped rectangular rod 43 is connected with a second small supporting plate 44, the second large L-shaped rectangular rod 43 is connected with the second small supporting plate 44 in a welding connection mode, and the second small supporting plate 44 is located in front of the backup plate 2.

Example 4

The back side of the first big L-shaped rectangular rod 41 is positioned in a first big rectangular jack 203 and a first big rectangular groove 201, the first big L-shaped rectangular rod 41 is contacted with the backup plate 2, the first big L-shaped rectangular rod 41 is positioned in front of the first big arc-shaped support plate 31, the first big L-shaped rectangular rod 41 is contacted with the first big arc-shaped support plate 31, the left front end of the first big L-shaped rectangular rod 41 is connected with the first small support plate 42, the first small support plate 42 is positioned in front of the backup plate 2, the back side of the second big L-shaped rectangular rod 43 is positioned in a second big rectangular jack 206 and a second big rectangular groove 204, the second big L-shaped rectangular rod 43 is contacted with the backup plate 2, the second big L-shaped rectangular rod 43 is positioned in front of the second big arc-shaped support plate 36, the second big L-shaped rectangular rod 43 is contacted with the second big arc-shaped support plate 36, the right front end of the second large L-shaped rectangular rod 43 is connected with a second small supporting plate 44, and the second small supporting plate 44 is positioned in front of the backup plate 2.

The first long ratchet block 51 is slidably positioned in the first guide groove 61 and the first small groove 50, the first long ratchet block 51 is positioned on the left side of the first ratchet plate 29, the first long ratchet block 51 is matched with the first ratchet plate 29, the first long ratchet block 51 is contacted with the first ratchet plate 29, the left end of the first long ratchet block 51 is provided with a first small movable groove 511, the left side of the first large support plate 6 is connected with the first arc-shaped plate 52, the first large support plate 6 is connected with the first arc-shaped plate 52 by welding, the lower end of the first arc-shaped plate 52 is positioned in the first small movable groove 511, the first arc-shaped plate 52 is contacted with the first long ratchet block 51, the second long ratchet block 53 is slidably positioned in the second guide groove 181 and the second small groove 171, the second long ratchet block 53 is positioned on the right side of the second ratchet plate 30, and the second long ratchet block 53 is matched with the second ratchet plate 30, the second long ratchet block 53 is in contact with the second ratchet plate 30, a second small movable groove 531 is formed in the right end of the second long ratchet block 53, a second arc-shaped plate spring 54 is connected to the right side of the second large support plate 18, the second large support plate 18 is connected with the second arc-shaped plate spring 54 in a welding connection mode, the lower end of the second arc-shaped plate spring 54 is located in the second small movable groove 531, and the second arc-shaped plate spring 54 is in contact with the second long ratchet block 53.

In the invention, firstly, a patient sits on the chair plate 1 and leans against the backing plate 2, and the two legs of the patient are respectively positioned in front of the first large supporting plate 6 and the second large supporting plate 18, when the legs of the patient need to be changed, the first pull ring 16 and the second pull ring 28 can be pulled downwards, at the moment, the first large supporting plate 6 drives the first large arc-shaped toothed plate 11 to move downwards, the first large arc-shaped toothed plate 11 is separated from the first large gear 10, the second pull ring 28 drives the second large arc-shaped toothed plate 23 to move downwards, the second large arc-shaped toothed plate 23 is separated from the second large gear 22, at the moment, the first large rotating shaft 7 and the second large rotating shaft 19 can be respectively rotated through the first large rotating wheel 9 and the second large rotating wheel 21, the first large rotating shaft 7 drives the first large swinging plate 5 to swing upwards, and the medical staff holds the first large supporting plate 6, the first big supporting plate 6 supports one leg of a patient and swings upwards along with the first big swinging plate 5, when the first big swinging plate 5 and the first big supporting plate 6 swing to a horizontal state, one leg of the patient can be supported to be in a horizontal state, the first big supporting plate 6 can slide on the first big swinging plate 5 and can be adjusted according to the length of the leg of the patient, the second big rotating wheel 21 can drive the second big swinging plate 17 to swing upwards, meanwhile, a medical worker supports the second big supporting plate 18, the second big supporting plate 18 supports the other leg of the patient, the second big supporting plate 18 is driven by the second big swinging plate 17 to swing upwards, when the second big swinging plate 17 and the second big supporting plate 18 swing to be in a horizontal state, the other leg of the patient can be supported, the first big gear plate 16 and the second big gear plate 28 are loosened, the first big arc-shaped toothed plate 11 clamps the first big gear 10 upwards, big arc pinion rack 23 of second upwards blocks second gear wheel 22 to can fix first big swing plate 5 and the big swing plate 17 of second, thereby can hold patient's leg, the medical personnel of being convenient for change dressings for patient's leg nursing.

When the arm of a patient needs to be supported to be in a horizontal state for dressing change, the first big screw rod 34 and the second big screw rod 39 can be unscrewed, then the first big connecting shaft 32 and the second big connecting shaft 37 can be respectively rotated through the first small rotating wheel 35 and the second small rotating wheel 40, the first big connecting shaft 32 drives the first big arc-shaped supporting plate 31 to swing upwards, one arm of the patient is supported to be in the horizontal state, then the first big screw rod 34 is screwed and fixed, the second big arc-shaped supporting plate 36 drives the other arm of the patient to swing upwards, the other arm of the patient is supported to be in the horizontal state, and then the second big screw rod 39 is screwed.

Patient can place the forearm respectively on first little layer board 42 and the little layer board 44 of second this moment, and the medical personnel of being convenient for change dressings for patient's forearm nursing, are applicable to and can't stretch into the arm into the patient of horizontality, and first big L word rectangle pole 41 and the big L word rectangle pole 43 of second can be taken out from first big rectangle jack 203 and the big rectangle jack 206 of second respectively, can not cause the interference to the swing of first big arc layer board 31 and the big arc layer board 36 of second.

At this time, the first long ratchet block 51 and the second long ratchet block 53 can fix the first large pallet 6 and the second large pallet 18 on the first large swing plate 5 and the second large swing plate 17, respectively, so that the first large pallet 6 and the second large pallet 18 can be driven to swing upward through the first large swing plate 5 and the second large swing plate 17, respectively, without being held by medical staff, and when the first large pallet 6 and the second large pallet 18 need to be moved, the first long ratchet block 51 and the second long ratchet block 53 can be pulled outward, so that the first long ratchet block 51 is separated from the first ratchet plate 29, and the second long ratchet block 53 is separated from the second ratchet plate 30.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A medical care dressing change chair convenient to use comprises a chair plate (1), a backup plate (2), a first support plate (3), a second support plate (4), a first large swinging plate (5), a first large supporting plate (6), a first large rotating shaft (7), a first large bearing (8), a first large rotating wheel (9), a first large gear (10), a first large arc toothed plate (11), a first guide rod (12), a first concave plate (13), a first baffle plate (14), a first spring (15) and a first pull ring (16), wherein the left part of the front side wall of the chair plate (1) is provided with a first large swinging groove (101), the left side wall of the chair plate (1) is provided with a first large rotating hole (102), the first large rotating hole (102) is positioned on the left side of the first large swinging groove (101), the first large rotating hole (102) is communicated with the first large swinging groove (101), the right part of the front side wall of the chair plate (1) is provided with a second large swinging groove (103), the right side wall of the chair plate (1) is provided with a second large rotary hole (104), the second large rotary hole (104) is positioned on the right side of a second large swing groove (103), the second large rotary hole (104) is communicated with the second large swing groove (103), the rear end of the top of the chair plate (1) is connected with a backup plate (2), the backup plate (2) is positioned behind the first large swing groove (101) and the second large swing groove (103), the left part of the backup plate (2) is provided with a first large rectangular groove (201), the backup plate (2) is provided with a first large circular jack (202), the first large circular jack (202) is positioned on the right side of the first large rectangular groove (201), the first large circular jack (202) is communicated with the first large rectangular groove (201), the left side wall of the backup plate (2) is provided with a first large rectangular jack (203) extending rightwards, the first large rectangular jack (203) is communicated with the first large rectangular groove (201), the first rectangular jack (203) is positioned below the first large rectangular jack (202), a second large rectangular groove (204) is formed in the right part of the backup plate (2), a second large circular jack (205) is formed in the backup plate (2), the second large circular jack (205) is positioned on the left side of the second large rectangular groove (204), the second large circular jack (205) is communicated with the second large rectangular groove (204), the second large circular jack (205) is positioned on the right side of the first large circular jack (202), a second large rectangular jack (206) extending leftwards is formed in the right side wall of the backup plate (2), the second large rectangular jack (206) is communicated with the second large rectangular groove (204), the second large rectangular jack (206) is positioned below the second large circular jack (205), the second large rectangular jack (206) is positioned on the right side of the first large rectangular jack (203), a first support plate (3) and a second support plate (4) are connected to the bottom of the chair plate (1), the first support plate (3) is positioned on the left side of the first large swinging groove (101), the second supporting plate (4) is positioned at the right side of the second large swinging groove (103), the upper end of the first large swinging plate (5) is positioned in the first large swinging groove (101), the first large supporting plate (6) is positioned below the chair plate (1), the top of the first large supporting plate (6) is provided with a first large slot (60) extending downwards, the first large swinging plate (5) is positioned in the first large slot (60), the first large swinging plate (5) is in sliding fit with the first large slot (60), the left side wall of the first large supporting plate (6) is provided with a first guide groove (61), the first guide groove (61) is communicated with the first large slot (60), the left side wall of the first large swinging plate (5) is provided with a first small groove (50), the first large rotating shaft (7) is rotatably positioned in the first large swinging groove (101) and the first large rotating hole (102), and the upper end of the first large swinging plate (5) is fixed on the first large rotating shaft (7), the right end of a first large rotating shaft (7) is in interference connection with a first large bearing (8), the first large bearing (8) is embedded in the chair plate (1), the first large bearing (8) is positioned on the right side of a first large swinging groove (101), the left end of the first large rotating shaft (7) is connected with a first large rotating wheel (9), the first large rotating wheel (9) is positioned on the left side of the chair plate (1), a first large gear wheel (10) is fixedly sleeved on the first large rotating shaft (7), the first large gear wheel (10) is positioned between the chair plate (1) and the first large rotating wheel (9), the first large arc toothed plate (11) is positioned under the first large gear wheel (10), the first large arc toothed plate (11) is meshed with the first large gear wheel (10), the first large arc toothed plate (11) is contacted with the first large gear wheel (10), the bottom of the first large arc toothed plate (11) is connected with a first guide rod (12), the first guide rod (12) is positioned on the left side of the first support plate (3), the left side wall of the first support plate (3) is connected with a first concave plate (13), the first concave plate (13) is provided with a first lifting hole (131) which penetrates through the first concave plate from top to bottom, the first guide rod (12) is slidably positioned in the first lifting hole (131), the first guide rod (12) is connected with a first baffle (14), the first baffle (14) is positioned in the first concave plate (13), the first baffle (14) is contacted with the first concave plate (13), a first spring (15) is sleeved on the first guide rod (12), the first spring (15) is positioned in the first concave plate (13), the first spring (15) is positioned below the first baffle (14), the lower end of the first guide rod (12) is connected with a first pull ring (16), the first pull ring (16) is positioned below the first concave plate (13), and the first pull ring (16) is contacted with the first concave plate (13), it is characterized by also comprising a second large swinging plate (17), a second large supporting plate (18), a second large rotating shaft (19), a second large bearing (20), a second large rotating wheel (21), a second large gear (22), a second large arc toothed plate (23), a second guide rod (24), a second concave plate (25), a second baffle plate (26), a second spring (27), a second pull ring (28), a first ratchet plate (29) and a second ratchet plate (30), wherein the upper end of the second large swinging plate (17) is positioned in a second large swinging groove (103), the second large supporting plate (18) is positioned below the chair plate (1), the top of the second large supporting plate (18) is provided with a second large slot (180) extending downwards, the second large swinging plate (17) is positioned in the second large slot (180), the second large swinging plate (17) is in sliding fit with the second large slot (180), and the right side wall of the second large supporting plate (18) is provided with a second guide groove (181), the second large rotating shaft (19) is rotatably positioned in a second large swinging groove (103) and a second large rotating hole (104), the upper end of a second large swinging plate (17) is fixedly sleeved on the second large rotating shaft (19), the left end of the second large rotating shaft (19) is in interference connection with a second large bearing (20), the second large bearing (20) is embedded in the chair plate (1), the second large bearing (20) is positioned on the left side of the second large swinging groove (103), the right end of the second large rotating shaft (19) is connected with a second large rotating wheel (21), the second large rotating wheel (21) is positioned on the right side of the chair plate (1), a second large gear wheel (22) is fixedly sleeved on the second large rotating shaft (19), the second large gear wheel (22) is positioned between the chair plate (1) and the second large rotating wheel (21), a second large arc toothed plate (23) is positioned under the second large gear wheel (22), and the second large arc toothed plate (23) is meshed with the second large gear wheel (22), the second big arc toothed plate (23) is in contact with the second large gear (22), the bottom of the second big arc toothed plate (23) is connected with a second guide rod (24), the second guide rod (24) is positioned on the right side of the second support plate (4), the right side wall of the second support plate (4) is connected with a second concave plate (25), the second concave plate (25) is provided with a second lifting hole (251) which penetrates up and down, the second guide rod (24) is slidably positioned in the second lifting hole (251), the second guide rod (24) is connected with a second baffle (26), the second baffle (26) is positioned in the second concave plate (25), the second baffle (26) is in contact with the second concave plate (25), a second spring (27) is sleeved on the second guide rod (24), the second spring (27) is positioned in the second concave plate (25), and the second spring (27) is positioned below the second baffle (26), the lower end of the second guide rod (24) is connected with a second pull ring (28), the second pull ring (28) is positioned below the second concave plate (25), the second pull ring (28) is contacted with the second concave plate (25), the first ratchet plate (29) is positioned in the first small groove (50), the first ratchet plate (29) is connected with the first large swinging plate (5), the right side wall of the second large swinging plate (17) is provided with a second small groove (171), the second ratchet plate (30) is positioned in the second small groove (171), and the second ratchet plate (30) is connected with the second large swinging plate (17); the novel bearing plate is characterized by further comprising a first large arc-shaped supporting plate (31), a first large connecting shaft (32), a first large sleeve (33), a first large screw rod (34), a first small rotating wheel (35), a second large arc-shaped supporting plate (36), a second large connecting shaft (37), a second large sleeve (38), a second large screw rod (39) and a second small rotating wheel (40), wherein the first large arc-shaped supporting plate (31) is positioned in a first large rectangular groove (201), the upper end of the first large arc-shaped supporting plate (31) is fixedly sleeved on the first large connecting shaft (32), the right end of the first large connecting shaft (32) is rotatably positioned in a first large circular insertion hole (202), the left side wall of the backup plate (2) is embedded with the first large sleeve (33), the first large sleeve (33) is positioned on the left side of the first large rectangular groove (201), the first large connecting shaft (32) is positioned in the first large sleeve (33), and the first large sleeve (32) is in contact with the first large sleeve (33), the front side of the first big sleeve (33) is connected with a first big screw rod (34) in a threaded manner, the rear end of the first big screw rod (34) is in contact with a first big connecting shaft (32), the left end of the first big connecting shaft (32) is connected with a first small rotating wheel (35), the first small rotating wheel (35) is positioned on the left side of the first big sleeve (33), a second big arc-shaped supporting plate (36) is positioned in a second big rectangular groove (204), the upper end of the second big arc-shaped supporting plate (36) is fixedly sleeved on the second big connecting shaft (37), the left end of the second big connecting shaft (37) is rotatably positioned in a second big circular jack (205), the right side wall of the backup plate (2) is embedded with a second big sleeve (38), the second big sleeve (38) is positioned on the right side of the second big rectangular groove (204), the second big sleeve (37) is positioned in the second big sleeve (38), the second big connecting shaft (37) is in contact with the second big sleeve (38), a second large screw rod (39) is connected to the front side of the second large sleeve (38) in a threaded manner, the rear end of the second large screw rod (39) is in contact with a second large connecting shaft (37), a second small rotating wheel (40) is connected to the right end of the second large connecting shaft (37), and the second small rotating wheel (40) is located on the right side of the second large sleeve (38); the novel bearing support is characterized by further comprising a first large L-shaped rectangular rod (41), a first small supporting plate (42), a second large L-shaped rectangular rod (43) and a second small supporting plate (44), wherein the rear side rod of the first large L-shaped rectangular rod (41) is positioned in a first large rectangular jack (203) and a first large rectangular groove (201), the first large L-shaped rectangular rod (41) is in contact with the backing plate (2), the first large L-shaped rectangular rod (41) is positioned in front of the first large arc-shaped supporting plate (31), the first large L-shaped rectangular rod (41) is in contact with the first large arc-shaped supporting plate (31), the left front end of the first large L-shaped rectangular rod (41) is connected with the first small supporting plate (42), the first small supporting plate (42) is positioned in front of the backing plate (2), the rear side rod of the second large L-shaped rectangular rod (43) is positioned in a second large rectangular jack (206) and a second large rectangular slot (204), and the second large L-shaped rectangular rod (43) is in contact with the backing plate (2), the second large L-shaped rectangular rod (43) is positioned in front of the second large arc-shaped supporting plate (36), the second large L-shaped rectangular rod (43) is in contact with the second large arc-shaped supporting plate (36), the right front end of the second large L-shaped rectangular rod (43) is connected with a second small supporting plate (44), and the second small supporting plate (44) is positioned in front of the backup plate (2); the novel ratchet is characterized by further comprising a first long ratchet block (51), a first arc-shaped plate spring (52), a second long ratchet block (53) and a second arc-shaped plate spring (54), wherein the first long ratchet block (51) is slidably positioned in a first guide groove (61) and a first small groove (50), the first long ratchet block (51) is positioned on the left side of the first ratchet plate (29), the first long ratchet block (51) is matched with the first ratchet plate (29), the first long ratchet block (51) is in contact with the first ratchet plate (29), a first small movable groove (511) is formed in the left end of the first long ratchet block (51), the first arc-shaped plate spring (52) is connected to the left side of the first large supporting plate (6), the lower end of the first arc-shaped plate spring (52) is positioned in the first small movable groove (511), the first arc-shaped plate spring (52) is in contact with the first long ratchet block (51), the second long ratchet block (53) is slidably positioned in a second guide groove (181) and a second small groove (171), the second long ratchet block (53) is positioned on the right side of the second ratchet plate (30), the second long ratchet block (53) is matched with the second ratchet plate (30), the second long ratchet block (53) is in contact with the second ratchet plate (30), a second small movable groove (531) is formed in the right end of the second long ratchet block (53), the right side of the second large supporting plate (18) is connected with a second arc-shaped plate spring (54), the lower end of the second arc-shaped plate spring (54) is positioned in the second small movable groove (531), and the second arc-shaped plate spring (54) is in contact with the second long ratchet block (53).