CN212662116U

CN212662116U - Critical and critical nursing wheelchair

Info

Publication number: CN212662116U
Application number: CN202020841619.6U
Authority: CN
Inventors: 王晓静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-03-09
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to a wheelchair technical field, concretely relates to critical nursing wheelchair, include the main support and lean on the seat, the main support includes two side bearers that are parallel to each other, the side bearer bottom is rotated and is connected with two-way lead screw, two-way lead screw rotates and is connected with two dead levers, two the dead lever is located the one end of the outer two-way lead screw of side bearer, two dead lever central point puts the department and rotates and is connected with the bull stick, the bull stick is located two fixed double groove wheels that have cup jointed between the dead lever, two-way lead screw is all fixed the belt pulley that. The utility model discloses in, be connected through the transmission of belt pulley and double groove wheel, rotate the rotation that the bull stick can drive belt pulley, double groove wheel and two-way lead screw, make two connecting blocks move in opposite directions or back on the other hand, make supporting shoe, slide bar and horizontal pole reciprocate to can adjust the height of leaning on the seat, make the distance that leans on the seat to the sole be fit for patient's needs more.

Description

Critical and critical nursing wheelchair

Technical Field

The utility model relates to a wheelchair technical field, concretely relates to critical and critical nursing wheelchair.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair. The size of the wheelchair is the first factor to be considered when selecting the wheelchair, and the main parts of the wheelchair subject to weight are around hip ischial tuberosities, around femurs, around women's sockets and around scapulae. The size of the wheelchair, such as the width of the seat and the distance from the footrest to the seat cushion, can have an effect on the blood circulation of the occupant in the area of the effort involved.

When an existing wheelchair is designed, the size of the wheelchair is generally only suitable for adults and fixed, and for adults with small body sizes, teenagers, children and the like, the size of the wheelchair cannot be well adapted to the body sizes of the adults, the teenagers, the children and the like, and recovery of patients is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model aims to provide a critical care wheelchair, be connected through the transmission of belt pulley and double groove wheel, rotate the rotation of bull stick can drive belt pulley and double groove wheel, make two-way lead screws rotate, adjust the height of leaning on the seat, make the distance that leans on the seat to the sole be fit for patient's demand more, seted up spout one and spout two through the bedplate side, can remove back plate and side shield according to patient's size, adjust the width at seat, make the wheelchair also can adapt to the less adult of size and children etc..

The purpose of the utility model can be realized by the following technical scheme:

the critical and critical nursing wheelchair comprises a main support and a leaning seat, wherein the main support comprises two side frames which are parallel to each other, the bottom end of each side frame is rotatably connected with a bidirectional screw rod, a fixed rod is rotatably connected between the two bidirectional screw rods, the fixed rod is positioned at one end of the bidirectional screw rod outside the side frames, a rotating rod is rotatably connected at the central position of the fixed rod, the rotating rod is fixedly sleeved with a double grooved pulley between the two fixed rods, the two bidirectional screw rods are fixedly sleeved with a belt pulley, the two grooves of the belt pulley respectively correspond to the two grooves of the double grooved pulley, the belt pulley is connected with the double grooved pulley through belt transmission, the rotating rod can drive the belt pulley, the double grooved pulley and the bidirectional screw rod to rotate, the outer end of the rotating rod is fixedly connected with a handle, the handle is convenient to rotate the rotating rod, and the two, the two connecting blocks can move towards or away from each other by rotation of the bidirectional screw rod, the tops of the connecting blocks are rotatably connected with supporting rods through shaft rods, the tops of the two supporting rods are rotatably connected with supporting blocks through shaft rods, the supporting rods can move by moving towards or away from each other through the movement of the two connecting blocks, so that the supporting blocks move up and down, the supporting blocks are fixedly connected with sliding rods, the supporting blocks are located at the center positions of the sliding rods, two ends of the sliding rods are slidably connected with side frames, two cross rods are fixedly connected between the two sliding rods, and the heights of the sliding rods and the cross rods can be adjusted by;

the top of the two cross rods is positioned between the two side frames and is fixedly connected with a backrest seat, the backrest seat comprises a seat plate, the movement of the cross rods can drive the movement of the backrest seat to adjust the height of the backrest seat, the side wall of the seat plate opposite to the side frames is provided with a first sliding groove, the first sliding groove is positioned at one side of the fixed rod and is slidably connected with a first sliding block, the bottom of the outer side surface of the first sliding block is screwed and connected with a first screw, the first sliding block can be fixed when the first screw is screwed, a backrest plate is fixedly connected between the two first sliding blocks and positioned at the upper part of the seat plate, the first sliding block and the backrest plate can move along the first sliding groove when the screw is unscrewed, the seat plate is positioned at the side surface of the fixed rod and is provided with a second sliding groove, the second sliding groove is slidably connected with a second sliding block, the second, the side baffle is connected with the seat plate in a sliding mode, and the second sliding block and the side baffle can move along the second sliding groove when the second screw is unscrewed.

Further, the method comprises the following steps: one side of the side frame, which is positioned on the fixing rod, is fixedly connected with a fixing frame, the fixing frame is rotatably connected with a thin tire, the other side of the side frame is fixedly connected with a guide frame, and the bearing frame is rotatably connected with a guide wheel, so that the wheelchair can be conveniently moved.

Further, the method comprises the following steps: the two-way screw rod and the sliding rod are parallel to each other, and the two connecting blocks positioned on the same two-way screw rod are symmetrical about the supporting block.

Further, the method comprises the following steps: the bottoms of the two side frames are fixedly connected with foot plates at one side opposite to the fixed rods, and the patient can put feet on the foot plates, so that the patient feels more comfortable.

Further, the method comprises the following steps: the length and the width of bedplate are equal, the length of spout one is less than half of bedplate length, the length of spout two is less than the length of bedplate.

Further, the method comprises the following steps: the sponge cushions are fixed on the surfaces of the seat board, the two side baffles and the backrest board and can increase the comfort of a patient.

The utility model has the advantages that:

1. the two grooved pulleys are fixedly sleeved by the rotating rod, the belt pulley is fixedly sleeved on each of the two-way screw rods, the belt pulley is in transmission connection with the two grooved pulleys through a belt, the rotating rod can drive the belt pulley to rotate with the two grooved pulleys, so that the two-way screw rods rotate, the two connecting blocks are connected in a screwing mode, the connecting blocks are connected with the supporting rods in a rotating mode, the two supporting rods are connected with the supporting blocks in a rotating mode, the two connecting blocks move in opposite directions or in a back-and-forth mode through the rotation of the two-way screw rods, so that the supporting blocks move up and down, the sliding rods are fixedly connected with the sliding rods, the two cross rods are fixedly connected with the backup seats, and the sliding rods and the cross rods can move up;

2. the first sliding groove is formed in the side face of the seat plate, the first sliding groove is connected with the first sliding block, the first sliding block is fixedly connected with the back plate, the second sliding groove is formed in the side face of the seat plate, the second sliding block is connected with the second sliding block, the second sliding block is fixedly connected with the side baffle, the back plate and the side baffle can be moved to a proper position according to the body type of a patient, the back plate is made to be attached to the back of the patient, and meanwhile the double arms of the patient can be more properly lapped on the side baffle.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a critical nursing wheelchair of the present invention;

FIG. 2 is a schematic view of another state of the critical care wheelchair of the present invention;

FIG. 3 is a schematic view of a backrest of a critical nursing wheelchair of the present invention;

fig. 4 is a schematic structural view of a main support of the critical nursing wheelchair of the present invention.

In the figure: 100. a main support; 101. a side frame; 102. a cross bar; 103. a rotating rod; 104. a grip; 105. fixing the rod; 106. a belt pulley; 107. a double grooved pulley; 108. a bidirectional screw rod; 109. connecting blocks; 110. a support bar; 111. a slide bar; 112. a support block; 200. a back seat; 210. a side dam; 220. a seat plate; 230. a first sliding chute; 240. a first sliding block; 250. a first screw; 260. a second chute; 270. a second sliding block; 280. a second screw; 290. a backrest plate.

Detailed Description

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

Referring to fig. 1-4, a critical care wheelchair comprises a main support 100 and a backrest 200, the main support 100 comprises two parallel side frames 101, the bottom end of the side frames 101 is rotatably connected with a bidirectional screw 108, a fixing rod 105 is rotatably connected between the two bidirectional screws 108, the fixing rod 105 is located at one end of the bidirectional screw 108 outside the side frames 101, a rotating rod 103 is rotatably connected at the center of the fixing rod 105, a double-grooved pulley 107 is fixedly sleeved between the two fixing rods 105 of the rotating rod 103, the two bidirectional screws 108 are both fixedly sleeved with a belt pulley 106, the grooves of the two belt pulleys 106 respectively correspond to the two grooves of the double-grooved pulley 107, the belt pulley 106 is in transmission connection with the double grooved pulley 107 through a belt, the rotating rod 103 can drive the belt pulley 106, the double grooved pulley 107 and the bidirectional screw 108 to rotate, the outer end of the rotating rod 103 is fixedly connected with a handle 104, the two-way screw rod 108 is rotatably connected between two ends of the bottom of the side frame 101, the two connecting blocks 109 can move in opposite directions or opposite directions by rotation of the two-way screw rod 108, the top of each connecting block 109 is rotatably connected with a supporting rod 110 by a shaft rod, the top of each supporting rod 110 is rotatably connected with a supporting block 112 by a shaft rod, the supporting rods 110 can move by opposite or opposite directions movement of the two connecting blocks 109, the supporting blocks 112 can move up and down, the supporting blocks 112 are fixedly connected with sliding rods 111, the supporting blocks 112 are located at the center of the sliding rods 111, two ends of each sliding rod 111 are slidably connected with the side frame 101, two cross rods 102 are fixedly connected between the two sliding rods 111, and the heights of the sliding;

the top of the two crossbars 102 is fixedly connected with a backrest 200 between the two side frames 101, the backrest 200 comprises a seat plate 220, the movement of the crossbars 102 can drive the movement of the backrest 200 to adjust the height of the backrest 200, the seat plate 220 is provided with a first chute 230 opposite to the side walls of the side frames 101, the first chute 230 is positioned at one side of the fixed rod 105, the first chute 230 is slidably connected with a first slider 240, the bottom of the outer side surface of the first slider 240 is rotatably connected with a first screw 250, the first slider 240 can be fixed when the first screw 250 is screwed, a backrest plate 290 is fixedly connected between the first slider 240 and the upper part of the seat plate 220, the first slider 240 and the backrest plate 290 can move along the first chute 230 when the first screw 250 is unscrewed, the seat plate 220 is provided with a second chute 260 on the side surface of the fixed rod 105, the second chute 260 is slidably connected with two sliders 270, the side surfaces of the second sliders 270, the top of the second sliding block 270 is fixedly connected with the side baffle 210 on the top surface of the seat plate 220, the side baffle 210 is connected with the seat plate 220 in a sliding manner, and the second sliding block 270 and the side baffle 210 can move along the second sliding groove 260 when the second screw 280 is unscrewed.

One side of the side frame 101, which is positioned on the fixed rod 105, is fixedly connected with a fixed frame, the fixed frame is rotatably connected with a thin tire, the other side of the side frame 101 is fixedly connected with a guide frame, and the bearing frame is rotatably connected with a guide wheel, so that the wheelchair can be conveniently moved. The bidirectional screw rod 108 and the sliding rod 111 are parallel to each other, and two connecting blocks 109 on the same bidirectional screw rod 108 are symmetrical about the supporting block 112. The bottoms of the two side frames 101 are fixedly connected with foot plates at one side opposite to the fixed rod 105, and the patient can put the feet on the foot plates, so that the patient feels more comfortable. The length and the width of the seat plate 220 are equal, the length of the first sliding groove 230 is less than half of the length of the seat plate 220, and the length of the second sliding groove 260 is less than the length of the seat plate 220. Sponge pads are fixed on the surfaces of the seat board 220, the two side baffles 210 and the back board 290, and the comfort of the patient can be improved by the sponge pads.

The outer side of the thin tire frame is fixedly connected with a hand rim, so that a patient can conveniently move the wheelchair when sitting on the wheelchair, the top of the side frame 101, which is positioned on one side of the fixed rod 105, is fixedly connected with a hand push handle, and a caregiver can hold the hand push handle to move the wheelchair when using the wheelchair.

The working principle is as follows: when the medical backrest plate is used, the handle 104 is held, the handle 104 is rotated, the rotating rod 103 and the double grooved wheel 107 are rotated to drive the belt pulley 106 and the two-way screw rod 108 to rotate, the two connecting blocks 109 on the same two-way screw rod 108 move in the opposite direction or in the opposite direction, the supporting rod 110 is driven to move, the supporting block 112 is driven to move up and down, the heights of the sliding rod 111, the cross rod 102 and the backrest seat 200 are adjusted, the distance from the backrest seat 200 to the foot plate is suitable for the body size of a patient, the screw I250 and the screw II 280 are loosened, the positions of the backrest plate 290 and the two side backrest plates 210 are adjusted, the backrest plate 290 can be attached to the back of the patient, and meanwhile, the.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a critical nursing wheelchair, includes main support (100) and leans on seat (200), its characterized in that, main support (100) includes two side bearer (101) that are parallel to each other, side bearer (101) bottom is rotated and is connected with two-way lead screw (108), two rotate between two-way lead screw (108) and be connected with dead lever (105), dead lever (105) are located the one end of the outer two-way lead screw (108) of side bearer (101), dead lever (105) central point department of putting rotates and is connected with bull stick (103), bull stick (103) are located fixed the cover between two dead levers (105) and have been connect two sheaves (107), two-way lead screw (108) all are fixed the cover and have been connected belt pulley (106), two the race of belt pulley (106) corresponds two sheaves (107) respectively, belt pulley (106) are connected through belt transmission with two sheaves (107), the outer end of the rotating rod (103) is fixedly connected with a handle (104), the two-way screw rod (108) is positioned between two ends of the bottom of the side frame (101) and is connected with two connecting blocks (109) in a screwing mode, the tops of the connecting blocks (109) are rotatably connected with supporting rods (110) through shaft rods, the tops of the two supporting rods (110) are rotatably connected with supporting blocks (112) through shaft rods, the supporting blocks (112) are fixedly connected with sliding rods (111), the supporting blocks (112) are positioned at the center of the sliding rods (111), two ends of the sliding rods (111) are slidably connected with the side frame (101), and two cross rods (102) are fixedly connected between the two sliding rods (111;

the top of each of the two cross rods (102) is located between the two side frames (101) and is fixedly connected with a leaning seat (200), each leaning seat (200) comprises a seat plate (220), a first sliding groove (230) is formed in the side wall, opposite to the side frames (101), of the seat plate (220), the first sliding groove (230) is located on one side of the fixed rod (105), the first sliding groove (230) is connected with a first sliding block (240) in a sliding mode, the bottom of the outer side face of the first sliding block (240) is connected with a first screw (250) in a screwing mode, a backrest plate (290) is fixedly connected to the upper portion of the seat plate (220) between the two first sliding blocks (240), a second sliding groove (260) is formed in the side face, located on the fixed rod (105), of the seat plate (220), the second sliding groove (260) is connected with two sliding blocks (270), the side face of the second sliding block (270) is connected with a, the side baffle (210) is connected with the seat plate (220) in a sliding mode.

2. The critical care wheelchair as claimed in claim 1, wherein the side frame (101) is fixedly connected with a fixed frame at one side of the fixed rod (105), the fixed frame is rotatably connected with a thin tire, the other side of the side frame (101) is fixedly connected with a bearing frame, and the bearing frame is rotatably connected with a bearing wheel.

3. The critical care wheelchair as claimed in claim 1, wherein the two-way screw (108) and the sliding rod (111) are parallel to each other, and the two connection blocks (109) on the same two-way screw (108) are symmetrical with respect to the support block (112).

4. The critical care wheelchair as claimed in claim 1, wherein foot plates are fixedly connected to the bottoms of the two side frames (101) at one side of the relative fixing rods (105).

5. The critical care wheelchair as claimed in claim 1, wherein the seat plate (220) has a length and a width equal to each other, the first slide groove (230) has a length less than half of the length of the seat plate (220), and the second slide groove (260) has a length less than the length of the seat plate (220).

6. The critical care wheelchair as claimed in claim 1, wherein sponge pads are fixed on the surface of the seat plate (220), the two side baffles (210) and the backrest plate (290).