CN219516874U - Wheelchair with high protection structure - Google Patents

Abstract

The utility model relates to a wheelchair with a high protection structure, which comprises a bottom plate, wherein an anti-rollover mechanism is arranged on the bottom plate and comprises mounting plates fixedly arranged on the left side surface and the right side surface of the bottom plate, a transmission box is fixedly arranged on one side surface of the mounting plates, far away from the bottom plate, a double-shaft motor is fixedly arranged on the lower surface of an inner cavity of the transmission box, a first threaded rod is fixedly arranged at two output ends of the double-shaft motor, and a threaded sleeve is connected on the surface of the first threaded rod in a threaded manner. This possess high protective structure's wheelchair, through being equipped with the transmission box on the mounting panel, be equipped with biax motor in the transmission box, be equipped with threaded rod and screw thread sleeve on biax motor, be equipped with connecting rod and connecting plate on screw thread sleeve, be equipped with a sleeve on the connecting plate, be equipped with No. two sleeves in a sleeve, be equipped with the gyro wheel on No. two sleeves, control No. two sleeves through motor and No. two screw thread rods in No. one sleeve.

Description

Wheelchair with high protection structure

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with a high protection structure.

Background

The wheelchair is an important rehabilitation tool, is not only a walking tool for disabled limbs, but also can be used for physical exercise and social activities by means of the wheelchair, and the common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat.

However, the existing wheelchair lacks a protective structure, and when the wheelchair passes over uneven ground, the wheelchair is easy to roll over to one side, so that a user is injured.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the wheelchair with the high protection structure, which has the advantage of preventing the wheelchair from being overturned, and solves the problem that the existing wheelchair lacks the protection structure, and when the wheelchair passes over uneven ground, the wheelchair is easy to be overturned to one side, so that a user is injured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a wheelchair with a high protection structure comprises a bottom plate, wherein a rollover prevention mechanism is arranged on the bottom plate;

the side-turning prevention mechanism comprises a mounting plate fixedly mounted on the left side surface and the right side surface of a bottom plate, a transmission box is fixedly mounted on one side surface of the mounting plate far away from the bottom plate, a double-shaft motor is fixedly mounted on the lower surface of an inner cavity of the transmission box, a first threaded rod is fixedly mounted at two output ends of the double-shaft motor, a threaded sleeve is connected with the surface of the first threaded rod in a threaded manner, a connecting rod penetrating through the outer surface of the transmission box is fixedly mounted on the surface of the threaded sleeve, a connecting plate is fixedly mounted at the bottom of the connecting rod, a first sleeve is fixedly mounted on the lower surface of the connecting plate, a motor is fixedly mounted on the upper surface of the inner cavity of the first sleeve, a second threaded rod is fixedly mounted at the output end of the motor, a sliding block is fixedly mounted on the outer surface of the second threaded rod, a mounting block is mounted at the bottom of the second threaded sleeve, and a roller is movably mounted on the lower surface of the mounting block.

Further, the driving box lower surface is offered and is had a quantity to be two bar hole, two the connecting rod is located two bar downthehole respectively, sliding contact between connecting rod surface and the bar hole inboard surface.

Further, the lower surface of the transmission box is fixedly provided with two T-shaped sliding rods, the upper surface of the connecting plate is provided with T-shaped sliding grooves, and the T-shaped sliding rods are inserted into the T-shaped sliding grooves.

Further, the inner cross section of the first sleeve is square, and the outer shape of the sliding block is matched with the inner shape of the first sleeve.

Further, the second threaded rod extends to the inside of the second sleeve, a circular plate is fixedly arranged at one end, far away from the motor, of the second threaded rod, and the side surface of the circular plate is in sliding contact with the side surface of the inner cavity of the second sleeve.

Further, the round hole has been seted up to sleeve bottom No. one, no. two sleeves are located the round hole, sliding contact between sleeve surface No. two and the round hole inboard surface.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this possess high protective structure's wheelchair, through being equipped with the transmission box on the mounting panel, be equipped with the biax motor in the transmission box, be equipped with threaded rod and screw sleeve on the biax motor, be equipped with connecting rod and connecting plate on screw sleeve, be equipped with a sleeve on the connecting plate, be equipped with No. two sleeves in a sleeve, be equipped with the gyro wheel on No. two sleeves, motor and No. two screw rods through No. one in the sleeve control No. two sleeves, when needing to use, stretch out the connecting plate through the biax motor, stretch out No. two sleeves in follow a sleeve again, make gyro wheel and ground contact, support wheelchair both sides, be favorable to preventing wheelchair side turning on.

Drawings

FIG. 1 is a schematic view of the internal structure of a transmission case of the present utility model;

fig. 2 is a schematic diagram of the overall structure of the present utility model.

In the figure: 1 bottom plate, 2 mounting panel, 3 transmission box, 4 biax motors, 5 threaded rod, 6 screw sleeve, 7 connecting rod, 8 connecting plate, 9 sleeve, 10 motors, 11 threaded rod, 12 sliders, 13 sleeve, 14 installation piece, 15 gyro wheels, 16 bar holes, 17T shape slide bar, 18T shape spout, 19 plectane, 20 round holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a wheelchair with a high protection structure in this embodiment includes a base plate 1, a rollover prevention mechanism is provided on the base plate 1, the rollover prevention mechanism includes a mounting plate 2 fixedly mounted on a left side surface and a right side surface of the base plate 1, a driving box 3 is fixedly mounted on a side surface of the mounting plate 2 far away from the base plate 1, a dual-shaft motor 4 is fixedly mounted on a lower surface of an inner cavity of the driving box 3, a first threaded rod 5 is fixedly mounted at two output ends of the dual-shaft motor 4, a threaded sleeve 6 is in threaded connection with a surface of the first threaded rod 5, connecting rods 7 penetrating through the outer surface of the driving box 3 are fixedly mounted on the surface of the threaded sleeve 6, two strip-shaped holes 16 are provided on the lower surface of the driving box 3, the two connecting rods 7 are respectively located in the two strip-shaped holes 16, sliding contact is made between the outer surfaces of the connecting rods 7 and the inner side surfaces of the strip-shaped holes 16, the connecting rod 7 is convenient to move on the lower surface of the transmission box 3, the connecting plate 8 is fixedly arranged at the bottom of the connecting rod 7, the T-shaped sliding rods 17 with the number of two are fixedly arranged on the lower surface of the transmission box 3, the T-shaped sliding grooves 18 are formed in the upper surface of the connecting plate 8, the T-shaped sliding rods 17 are inserted into the T-shaped sliding grooves 18 to support the connecting plate 8 conveniently, the first sleeve 9 is fixedly arranged on the lower surface of the connecting plate 8, the motor 10 is fixedly arranged on the upper surface of the inner cavity of the first sleeve 9, the second threaded rod 11 is fixedly arranged at the output end of the motor 10, the sliding block 12 is connected with the outer surface of the second threaded rod 11 in a threaded manner, the inner section of the first sleeve 9 is square, the outer shape of the sliding block 12 is matched with the inner shape of the first sleeve 9, the sliding block 12 is convenient to limit, the sliding block 12 is prevented from rotating along with the second threaded rod 11, the lower surface of the sliding block 12 is fixedly arranged with the second sleeve 13 penetrating through the outer surface of the first sleeve 9, the threaded rod 11 extends to the inside of the sleeve 13, the threaded rod 11 is kept away from motor 10 one end fixed mounting and has plectane 19, plectane 19 side surface and sleeve 13 inner chamber side surface sliding contact, be convenient for the threaded rod 11 drive sleeve 13 removal No. two, round hole 20 has been seted up to sleeve 9 bottom, sleeve 13 is located round hole 20 No. two, sliding contact between sleeve 13 surface and the round hole 20 inside surface, be convenient for sleeve 13 flexible in sleeve 9 No. two, sleeve 13 bottom fixed mounting has installation piece 14 No. two, installation piece 14 lower surface movable mounting has gyro wheel 15.

It should be noted that, in order to fix the motor 10 conveniently, to prevent the motor 10 from shaking during operation, a fixing frame is fixedly mounted on the surface of the motor 10 in this embodiment, and the fixing frame is fixedly connected with the upper surface of the inner cavity of the first sleeve 9.

It should be noted that, in order to facilitate the rotation of the first threaded rod 5, in this embodiment, one end of the first threaded rod 5 away from the dual-shaft motor 4 is rotationally connected with the inner sidewall of the driving box 3.

The working principle of the embodiment is as follows:

when the wheelchair is in use, the double-shaft motor 4 is started, the double-shaft motor 4 drives the two first threaded rods 5 to rotate towards opposite directions, the two threaded sleeves 6 are further enabled to move in opposite directions until the threaded sleeves 6 are in contact with the left surface and the right surface of the inner cavity of the transmission box 3, the connecting rod 7 is driven to move when the threaded sleeves 6 move, the connecting plate 8 is further driven to move, the T-shaped sliding groove 18 moves on the T-shaped sliding rod 17, the connecting plate 8 drives the first sleeve 9 to move towards two sides, the connecting plate 8 and the first sleeve 9 extend towards two sides of the wheelchair, the motor 10 is started, the motor 10 drives the second threaded rod 11 to rotate, the second threaded rod 11 drives the sliding block 12 to move downwards in the first sleeve 9, the second sleeve 13 is further driven to extend downwards in the first sleeve 9 until the roller 15 is in contact with the ground, and the two sides of the wheelchair can be supported through the cooperation of the connecting plate 8, the first sleeve 9, the second sleeve 13 and the roller 15 when the wheelchair is to be turned on.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Wheelchair with high protection structure, comprising a bottom plate (1), characterized in that: the bottom plate (1) is provided with an anti-rollover mechanism;

the utility model provides a mechanism of turning on one's side, including mounting panel (2) of fixed mounting in bottom plate (1) left side surface and right side surface, mounting panel (2) are kept away from bottom plate (1) one side fixed surface and are installed transmission box (3), fixed surface installs biax motor (4) under transmission box (3) inner chamber, two equal fixed mounting of output of biax motor (4) have threaded rod (5), threaded rod (5) surface threaded connection has screw sleeve (6), screw sleeve (6) surface fixed mounting has connecting rod (7) that run through to transmission box (3) surface, connecting rod (7) bottom fixed mounting has connecting plate (8), connecting plate (8) lower surface fixed mounting has sleeve (9), sleeve (9) inner chamber upper surface fixed mounting has motor (10), motor (10) output fixed mounting has No. two threaded rod (11), no. two threaded rod (11) surface threaded connection have slider (12), surface fixed mounting has connecting rod (13) that run through to sleeve (9) surface, no. two fixed mounting has roller (14) under the bottom fixed mounting piece (14).

2. A wheelchair with a high protection structure according to claim 1, characterized in that: the lower surface of the transmission box (3) is provided with two strip-shaped holes (16), the two connecting rods (7) are respectively positioned in the two strip-shaped holes (16), and the outer surfaces of the connecting rods (7) are in sliding contact with the inner side surfaces of the strip-shaped holes (16).

3. A wheelchair with a high protection structure according to claim 1, characterized in that: the T-shaped sliding rods (17) with the number of two are fixedly arranged on the lower surface of the transmission box (3), T-shaped sliding grooves (18) are formed in the upper surface of the connecting plate (8), and the T-shaped sliding rods (17) are inserted into the T-shaped sliding grooves (18).

4. A wheelchair with a high protection structure according to claim 1, characterized in that: the inner cross section of the first sleeve (9) is square, and the outer shape of the sliding block (12) is matched with the inner shape of the first sleeve (9).

5. A wheelchair with a high protection structure according to claim 1, characterized in that: the second threaded rod (11) extends into the second sleeve (13), a circular plate (19) is fixedly arranged at one end, far away from the motor (10), of the second threaded rod (11), and the side surface of the circular plate (19) is in sliding contact with the side surface of the inner cavity of the second sleeve (13).

6. A wheelchair with a high protection structure according to claim 1, characterized in that: a round hole (20) is formed in the bottom of the first sleeve (9), the second sleeve (13) is located in the round hole (20), and the outer surface of the second sleeve (13) is in sliding contact with the inner side surface of the round hole (20).