CN211535235U

CN211535235U - High-strength wear-resistant carbon steel wheelchair bracket

Info

Publication number: CN211535235U
Application number: CN201922303485.2U
Authority: CN
Inventors: 樊仪巍; 樊仪坤
Original assignee: Kunshan Chaoke Metal Products Co ltd
Current assignee: Kunshan Chaoke Metal Products Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-22
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a wear-resisting carbon steel wheelchair support of high strength, including four seat support supports, the welding of one side that four seat support supports are close to each other has same backup pad, be provided with first through-hole in the backup pad, the top fixed mounting of backup pad has driving motor, the welding has the screw rod on driving motor's the output shaft, threaded connection has the sliding plate on the outer wall of screw rod, the bottom symmetry of backup pad is rotated and is connected with two dwangs, one side sliding connection that the both sides of sliding plate are close to each other with two dwangs respectively. The utility model discloses simple structure starts driving motor and can make the seat support leave ground, starts rotating electrical machines and can drive the guide pulley and rotate subaerial, and then can drive the seat support and rotate for can turn round and turn around under very little turning radius, convenient to use person turns round and turns around in some narrow places in space, convenient to use.

Description

High-strength wear-resistant carbon steel wheelchair bracket

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a wear-resisting carbon steel wheelchair support of high strength.

Background

The utility model with the publication number of CN207613983U discloses a wheelchair support with high supporting performance, which comprises a seat support, wherein the seat support comprises a plurality of transverse supporting rods and a longitudinal supporting rod, the transverse supporting rods comprise an upright part rod and two arc part rods, the two arc part rods are arranged at two ends of the upright part rod, the tail ends of the arc part rods are connected with a lug, the longitudinal supporting rod is provided with an opening matched with the lug, the lug is clamped with the opening and fixed by welding, the utility model discloses a seat support is assembled by mutually connecting the transverse supporting rods and the longitudinal supporting rods, the connecting part of the transverse supporting rods and the longitudinal supporting rods is connected by the arc part rods, the lug on the arc part rods is matched with the opening on the longitudinal supporting rods for welding fixation, the integral design adopts an arc structure at the connecting part, can evenly disperse the stress, and prevent the local stress from being too large to break, the support performance is greatly improved, and the overall design structure is simple and practical, and is convenient and easy to popularize.

After the wheelchair support with high supporting performance is used for producing a wheelchair, when the wheelchair is turned or turned around, a user can smoothly turn or turn around only by needing a large turning radius, and the user cannot turn or turn around in places with narrow space, so that inconvenience is brought to the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-strength wear-resistant carbon steel wheelchair support.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-strength wear-resistant carbon steel wheelchair support comprises four chair support supports, wherein one side, close to each other, of each chair support is welded with the same supporting plate, a first through hole is formed in the supporting plate, a driving motor is fixedly installed at the top of the supporting plate, a screw rod is welded on an output shaft of the driving motor, a sliding plate is in threaded connection with the outer wall of the screw rod, the bottom of the supporting plate is symmetrically and rotatably connected with two rotating rods, two sides of the sliding plate are respectively in sliding connection with one side, close to each other, of each rotating rod, the bottoms of the two rotating rods are slidably connected with the same bottom plate, a circular groove is formed in the bottom of the bottom plate, a plurality of rectangular grooves are annularly formed in the bottom of the bottom plate by taking the center of the bottom plate as the circle center, a rotating motor, the utility model discloses a rotating shaft, including rectangular channel, one side inner wall, a plurality of rectangular channels, one end that a plurality of pivots are close to each other, rotate on one side inner wall of rectangular channel and be connected with the pivot, one side inner wall that a plurality of rectangular channels are run through respectively to a plurality of pivots one end that are close to each other and extend to the circular channel in, the one end welding of pivot has the second bevel gear, and a plurality of second bevel gears all mesh mutually with first bevel gear, fixed cover is equipped with the guide pulley on.

Preferably, the top welding of bottom plate has the guide rail, the top symmetry sliding connection of guide rail has two sliders, and the top of two sliders rotates with the bottom of two dwang respectively and is connected.

Preferably, the two rotating rods are provided with sliding grooves on one sides close to each other, and the two sides of the sliding plate respectively extend into the two sliding grooves and are respectively connected with the two sliding grooves in a sliding manner.

Preferably, the sliding plate is provided with a second through hole, the inner wall of the second through hole is welded with a nut, the bottom end of the screw rod penetrates through the nut and extends to the lower part of the sliding plate, and the screw rod is in threaded connection with the nut.

Preferably, the welding of the bottom of screw rod has first limiting plate, and the second limiting plate has all been welded to the both sides of guide rail, the welding has same diaphragm on the both sides inner wall of circular recess, the third through-hole has been seted up on the diaphragm, the output shaft of rotating electrical machines runs through the diaphragm and extends to the below of diaphragm, and the output shaft outer wall of rotating electrical machines and the inner wall of third through-hole rotate to be connected.

Preferably, a bearing is welded on the inner wall of one side of the rectangular groove, and one end of the rotating shaft extends to an inner ring of the bearing and is welded with the inner ring of the bearing.

Compared with the prior art, the beneficial effects of the utility model are that: when needs turn or turn around, start driving motor can drive the sliding plate and carry out longitudinal sliding on two dwangs, the sliding plate can make two dwangs rotate to the direction that is close to each other, the dwang can drive bottom plate and guide pulley and carry out longitudinal movement, the guide pulley can contact and make the seat support leave ground with ground, when the seat support leaves the ground, start rotating motor can drive the pivot and rotate, the pivot can drive the guide pulley and rotate, the guide pulley can rotate subaerial, and then can drive the seat support and rotate.

The utility model discloses simple structure starts driving motor and can make the seat support leave ground, starts rotating electrical machines and can drive the guide pulley and rotate subaerial, and then can drive the seat support and rotate for can turn round and turn around under very little turning radius, convenient to use person turns round and turns around in some narrow places in space, convenient to use.

Drawings

FIG. 1 is a schematic structural view of a high-strength wear-resistant carbon steel wheelchair frame according to the present invention;

FIG. 2 is a schematic structural view of a bottom plate of a high-strength wear-resistant carbon steel wheelchair frame according to the present invention;

fig. 3 is a bottom view of the bottom plate of the high-strength wear-resistant carbon steel wheelchair frame provided by the utility model.

In the figure: 1 seat support, 2 bottom plate, 3 backup pad, 4 rectangular channel, 5 guide pulleys, 6 pivot shafts, 7 rotating electrical machines, 8 circular grooves, 9 first bevel gears, 10 second bevel gears, 11 horizontal plates, 12 sliders, 13 guide rails, 14 screw rods, 15 rotating rods, 16 sliding plates, 17 driving motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-3, a high-strength wear-resistant carbon steel wheelchair frame comprises four seat frame supports 1, wherein the seat frame supports 1 are made of carbon steel and can increase the strength and the wear resistance of a wheelchair frame body, one side, close to each other, of each of the four seat frame supports 1 is welded with a same support plate 3, the support plate 3 is provided with a first through hole, the top of the support plate 3 is fixedly provided with a driving motor 17, an output shaft of the driving motor 17 is welded with a screw 14, the outer wall of the screw 14 is in threaded connection with a sliding plate 16, the bottom of the support plate 3 is symmetrically and rotatably connected with two rotating rods 15, two sides of the sliding plate 16 are respectively and slidably connected with one side, close to each other, of the two rotating rods 15, the bottoms of the two rotating rods 15 are slidably connected with a same bottom plate 2, the bottom of the bottom plate 2, a rotating motor 7 is fixedly installed on the inner wall of the top of the circular groove 8, a first bevel gear 9 is welded on an output shaft of the rotating motor 7, a rotating shaft 6 is rotatably connected on the inner wall of one side of the rectangular groove 4, one ends of the rotating shafts 6, which are close to each other, respectively penetrate through the inner walls of one sides of the rectangular grooves 4 and extend into the circular groove 8, a second bevel gear 10 is welded at one end of the rotating shaft 6, the second bevel gears 10 are all meshed with the first bevel gear 9, a guide wheel 5 is fixedly sleeved on the outer wall of the rotating shaft 6, the guide wheel 5 is positioned in the rectangular groove 4, when turning or turning is needed, a driving motor 17 is started to drive a sliding plate 16 to longitudinally slide on the two rotating rods 15, the sliding plate 16 can enable the two rotating rods 15 to rotate towards the directions close to each other, the rotating rods 15 can drive the bottom plate 2 and the guide wheel 5 to longitudinally move, the guide, when seat support 1 leaves the ground, start rotating electrical machines 7 and can drive pivot 6 and rotate, pivot 6 can drive guide pulley 5 and rotate, and guide pulley 5 can subaerial rotate, and then can drive seat support 1 and rotate, the utility model discloses simple structure, start driving motor 17 and can make seat support 1 leave ground, start rotating electrical machines 7 and can drive guide pulley 5 subaerial and rotate, and then can drive seat support 1 and rotate for can turn and turn around under very little turning radius, convenient to use person turns and turns around in some narrow places in space, convenient to use.

In the utility model, a guide rail 13 is welded on the top of the bottom plate 2, two sliders 12 are symmetrically and slidably connected on the top of the guide rail 13, the tops of the two sliders 12 are rotatably connected with the bottoms of the two rotating rods 15 respectively, sliding grooves are formed on the sides of the two rotating rods 15 close to each other, both sides of the sliding plate 16 extend into the two sliding grooves and are slidably connected with the two sliding grooves respectively, a second through hole is formed on the sliding plate 16, nuts are welded on the inner wall of the second through hole, the bottom end of the screw 14 penetrates through the nuts and extends to the lower part of the sliding plate 16, the screw 14 is in threaded connection with the nuts, a first limiting plate is welded on the bottom of the screw 14, second limiting plates are welded on both sides of the guide rail 13, the same transverse plate 11 is welded on the inner walls on both sides of the circular groove 8, a third through hole is formed on the transverse plate 11, and the outer wall of the output shaft of the rotating motor 7 is rotatably connected with the inner wall of the third through hole, a bearing is welded on the inner wall of one side of the rectangular groove 4, one end of the rotating shaft 6 extends to the inner ring of the bearing and is welded with the inner ring of the bearing, when turning or turning is needed, the driving motor 17 is started to drive the sliding plate 16 to longitudinally slide on the two rotating rods 15, the sliding plate 16 can drive the two rotating rods 15 to rotate towards the direction close to each other, the rotating rods 15 can drive the bottom plate 2 and the guide wheel 5 to longitudinally move, the guide wheel 5 can be contacted with the ground and make the seat support 1 leave the ground, when the seat support 1 leaves the ground, the rotating motor 7 is started to drive the rotating shaft 6 to rotate, the rotating shaft 6 can drive the guide wheel 5 to rotate, the guide wheel 5 can rotate on the ground, and further can drive the, the seat support bracket 1 can be separated from the ground by starting the driving motor 17, the guide wheel 5 can be driven to rotate on the ground by starting the rotating motor 7, the seat support bracket 1 can be driven to rotate, turning and turning around can be carried out under a very small turning radius, a user can conveniently turn and turn around in places with narrow spaces, and the chair is convenient to use, wherein the model of the driving motor 17 is GPG-06SC/3GN-20K, and the model of the rotating motor 7 is GPG-05SC/3 GN-18K.

The working principle is as follows: when a turn or a U-turn is required, a driving motor 17 is started, the driving motor 17 drives a screw 14 to rotate, the screw 14 drives a sliding plate 16 to longitudinally slide on two rotating rods 15, the sliding plate 16 can drive the two rotating rods 15 to rotate towards the direction close to each other, the two rotating rods 15 can respectively drive two sliding blocks 12 to slide on a guide rail 13, the rotating rods 15 drive a bottom plate 2 to longitudinally move, the bottom plate 2 drives a guide wheel 5 to longitudinally move, the guide wheel 5 can be contacted with the ground and enables a seat support 1 to leave the ground, when the seat support 1 leaves the ground, a rotating motor 7 is started, the rotating motor 7 drives a first bevel gear 9 to rotate, the first bevel gear 9 drives a second bevel gear 10 to rotate, the second bevel gear 10 drives a rotating shaft 6 to rotate, the rotating shaft 6 drives the guide wheel 5 to rotate, and the guide wheel 5 can rotate, and then can drive seat support 1 and rotate for can turn and turn around under very little turning radius, convenient to use person turns and turns around in some narrow places in space, convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wear-resisting carbon steel wheelchair support of high strength, includes four seat support supports (1), its characterized in that, and the welding of one side that four seat support supports (1) are close to each other has same backup pad (3), be provided with first through-hole on backup pad (3), the top fixed mounting of backup pad (3) has driving motor (17), the welding has screw rod (14) on the output shaft of driving motor (17), threaded connection has sliding plate (16) on the outer wall of screw rod (14), the bottom symmetry of backup pad (3) is rotated and is connected with two dwang (15), one side sliding connection that the both sides of sliding plate (16) are close to each other with two dwang (15) respectively, the bottom sliding connection of two dwang (15) has same bottom plate (2), the bottom of bottom plate (2) is provided with circular slot (8), the bottom of bottom plate (2) is the annular as the centre of a circle with the center (4) The utility model discloses a circular slot (8), fixed mounting has rotating electrical machines (7) on the top inner wall of circular slot (8), the welding has first bevel gear (9) on the output shaft of rotating electrical machines (7), it is connected with pivot (6) to rotate on one side inner wall of rectangular slot (4), and the one end that a plurality of pivots (6) are close to each other runs through one side inner wall of a plurality of rectangular slots (4) respectively and extends to in circular slot (8), the one end welding of pivot (6) has second bevel gear (10), and a plurality of second bevel gears (10) all mesh mutually with first bevel gear (9), fixed cover is equipped with guide pulley (5) on the outer wall of pivot (6), guide pulley (5) are located rectangular slot (4).

2. The high-strength wear-resistant carbon steel wheelchair frame as claimed in claim 1, wherein a guide rail (13) is welded on the top of the bottom plate (2), two sliding blocks (12) are symmetrically and slidably connected to the top of the guide rail (13), and the tops of the two sliding blocks (12) are respectively and rotatably connected with the bottoms of the two rotating rods (15).

3. A high strength wear-resistant carbon steel wheelchair frame as claimed in claim 1, wherein the two rotating rods (15) are provided with sliding grooves on their sides adjacent to each other, and the sliding plate (16) extends into and is slidably connected to the two sliding grooves on its two sides.

4. The high-strength wear-resistant carbon steel wheelchair frame as claimed in claim 1, wherein the sliding plate (16) is provided with a second through hole, a nut is welded on the inner wall of the second through hole, the bottom end of the screw rod (14) penetrates through the nut and extends to the lower part of the sliding plate (16), and the screw rod (14) is in threaded connection with the nut.

5. The high-strength wear-resistant carbon steel wheelchair support as claimed in claim 1, wherein a first limiting plate is welded at the bottom of the screw (14), a second limiting plate is welded at both sides of the guide rail (13), a transverse plate (11) is welded on the inner walls of both sides of the circular groove (8), a third through hole is formed in the transverse plate (11), the output shaft of the rotating motor (7) penetrates through the transverse plate (11) and extends to the lower side of the transverse plate (11), and the outer wall of the output shaft of the rotating motor (7) is rotatably connected with the inner wall of the third through hole.

6. A high-strength wear-resistant carbon steel wheelchair frame as claimed in claim 1, wherein a bearing is welded to one side inner wall of the rectangular groove (4), and one end of the rotating shaft (6) extends to and is welded to an inner ring of the bearing.