CN210698032U

CN210698032U - Wheelchair with backward tilting function

Info

Publication number: CN210698032U
Application number: CN201921141570.7U
Authority: CN
Inventors: 赵键荣; 冯铭杰
Original assignee: FOSHAN DONGFANG MEDICAL EQUIPMENT MANUFACTORY Ltd
Current assignee: FOSHAN DONGFANG MEDICAL EQUIPMENT MANUFACTORY Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-09
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a wheelchair with backward tilting function, which comprises a backrest frame, a seat frame and a foot bracket which are fixedly connected in sequence, wherein, two sides of the seat frame are respectively provided with a wheel bracket which is a mirror image; the wheel support comprises an upper support rod and a lower support rod which are arranged up and down and are fixed relatively; two the middle section position of going up the vaulting pole respectively with the both sides of seat frame are articulated mutually, simultaneously, two down the vaulting pole respectively with the both sides of back frame are connected through the air spring that predetermines, wherein, two the flexible end of air spring articulates respectively in the both sides of back frame, and the stiff end articulates respectively in the end of the lower vaulting pole of homonymy, and flexible end through two air springs is synchronous flexible makes back frame, seat frame and foot rest do the back and forth rotation for two wheel supports to adjust the hypsokinesis angle of back frame, seat frame and foot rest.

Description

Wheelchair with backward tilting function

Technical Field

The utility model belongs to the technical field of the wheelchair technique and specifically relates to a wheelchair with hypsokinesis function is related to.

Background

In the field of old-age appliances and rehabilitation equipment, wheelchairs are the most common, common electric wheelchairs or manual wheelchairs are of sitting and standing structures, the wheelchairs cannot realize the function of lying backwards, and people using the wheelchairs or the electric wheelchairs are disabled or old people weak and sick, need to rely on the wheelchairs or the electric wheelchairs for a long time, and need to sit on the wheelchairs or the electric wheelchairs for a long time every day, and always keeping a sitting posture is very tired.

For this reason, if the wheelchair can change hypsokinesis angle for the person can change the position of sitting, lie down the rest, can reduce fatigue level, to suffering from cardiovascular and cerebrovascular, the old man of cerebral thrombosis is recovered and is had very big help more, simultaneously, old person especially sends out the person, it is a difficult problem to wash the head, it chokes water and shampoo easily and flows into eyes and oronasal to lean forward the shampoo, after the wheelchair hypsokinesis lies, when the old person washes the hair nursing, remove the puzzlement that nursing materials such as shampoo and shampoo flowed into oronasal eyes from, can let the caregiver more relaxed, old person or receive the more comfortable of caregiver.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a wheelchair with a back-tipping function, which has high practicability.

In order to achieve the above purpose, the utility model provides a scheme does: a wheelchair with a backward tilting function comprises a backrest frame, a seat frame and a foot bracket which are fixedly connected in sequence, wherein two sides of the seat frame are respectively provided with a wheel bracket in a mirror image shape; the wheel support comprises an upper support rod and a lower support rod which are arranged up and down and are fixed relatively; two the middle section position of going up the vaulting pole respectively with the both sides of seat frame are articulated mutually, simultaneously, two down the vaulting pole respectively with the both sides of back frame are connected through the air spring that predetermines, wherein, two the flexible end of air spring articulates respectively in the both sides of back frame, and the stiff end articulates respectively in the end of the lower vaulting pole of homonymy, and flexible end through two air springs is synchronous flexible makes back frame, seat frame and foot rest do the back and forth rotation for two wheel supports to adjust the hypsokinesis angle of back frame, seat frame and foot rest.

Further, the seat frame comprises two seat cushion brackets arranged in a mirror image manner, the foot brackets comprise two foot support supporting rods arranged in a mirror image manner, and the backrest frame comprises two backrest supporting rods arranged in a mirror image manner, wherein the two foot support supporting rods are respectively and fixedly connected to the front ends of the two seat cushion brackets, and the two backrest supporting rods are respectively and fixedly connected to the rear ends of the two seat cushion brackets; the middle sections of the upper support rods of the two wheel supports are hinged to the two seat cushion supports; the lower support rods of the two wheel supports are respectively connected with the two backrest support rods of the backrest frame through air springs, wherein the fixed ends of the air springs are hinged on the lower support rods, and the telescopic ends of the air springs are hinged on the corresponding backrest support rods.

Further, an arc-shaped plate is connected between an upper support rod and a lower support rod of the wheel support, wherein an arc-shaped groove is formed in the arc-shaped plate, and the circle center of the arc-shaped groove is coincided with the hinged position of the upper support rod and the seat frame; and fixing threaded holes matched with the arc-shaped grooves are formed in two sides of the seat frame, so that preset bolts can penetrate through the arc-shaped grooves and be matched with the fixing threaded holes, and therefore the seat frame and the arc-shaped grooves are fixed relatively.

Furthermore, the number of the arc-shaped plates between the upper stay bar and the lower stay bar of each wheel support is two, two fixing threaded holes are formed in each side of the seat frame, and the two fixing threaded holes are respectively configured corresponding to the two arc-shaped plates on the same side.

Further, each wheel support is for being connected by the head end of last vaulting pole bending down and the head end of vaulting pole down, and the end of going up the vaulting pole is connected and be the closed annular support body that constitutes through a connecting tube body with the end of vaulting pole down, and wherein, the junction rigid coupling of the head end of going up the vaulting pole and the head end of vaulting pole down has the front wheel support that supplies the front wheel installation, and the mounting hole that supplies the rear wheel installation is seted up to the position of the upper end of connecting tube body.

Compared with the prior art, the utility model beneficial effects are that, realize back frame, seat frame and the whole relative two wheel supports of foot bracket and incline backward towards the rear side through the flexible action of air spring, wherein, through the angle of the adjustable back rake of the flexible volume of control air spring, the auxiliary user changes to partly lying or the gesture of lying from sitting the gesture of standing, has improved user's travelling comfort, simultaneously, has also made things convenient for nursing staff for example to the nursing of toilet hair etc. user's head, has good practicality.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a side view of the utility model in a sitting state.

Fig. 3 is a side view of the tilted backward state of the present invention.

The automobile seat cushion support comprises a wheel support, 11 parts of an upper support rod, 12 parts of a lower support rod, 2 parts of an air spring, 3 parts of a seat cushion support, 4 parts of a foot rest support rod, 5 parts of a backrest support rod, 6 parts of an arc-shaped groove, 7 parts of threaded holes and 8 parts of mounting holes.

Detailed Description

The invention will be further described with reference to the following specific embodiments:

referring to fig. 1 to 3, the present embodiment is a wheelchair with a backward tilting function, including a back frame, a seat frame and a foot rest that are fixedly connected in sequence, specifically, the seat frame includes two seat cushion brackets 3 that are arranged in a mirror image, the foot rest includes two foot support supporting rods 4 that are arranged in a mirror image, the back frame includes two back supporting rods 5 that are arranged in a mirror image, the two foot support supporting rods 4 are fixed at the front ends of the two seat cushion brackets 3 through a detachable connection structure or welding and a bolt connection manner, the bottom ends of the two back supporting rods 5 are fixedly connected with the rear ends of the seat cushion brackets 3 through conventional fastening connection manners such as welding or bolt connection, that is, in the present embodiment, the back frame, the seat frame and the foot rest are integrated.

In the embodiment, two sides of the seat frame are respectively provided with a wheel bracket 1 in a mirror image shape; the wheel bracket 1 comprises an upper stay bar 11 and a lower stay bar 12 which are arranged up and down and are fixed relatively; each wheel bracket 1 is a closed annular bracket body formed by welding the head end of an upper stay bar 11 downwards bent and the head end of a lower stay bar 12 and welding the tail end of the upper stay bar 11 and the tail end of the lower stay bar 12 through a connecting pipe body; furthermore, the middle positions of the two upper support rods 11 are respectively hinged with the seat cushion supports 3 on the two sides of the seat frame, meanwhile, the two lower support rods 12 are respectively connected with the backrest support rods 5 on the two sides of the backrest frame through preset gas springs 2, wherein the telescopic ends of the two gas springs 2 are respectively hinged on the rod bodies of the two backrest support rods 5 of the backrest frame, the fixed ends of the two gas springs 2 are respectively hinged at the tail ends of the lower support rods 12 on the same side (the tail ends of the lower support rods 12 extend towards the rear end for a certain length to be hinged through the gas supply springs 2), and the backrest frame, the seat frame and the foot support are enabled to rotate back and forth relative to the two wheel supports 1 through synchronous telescopic of the telescopic ends of the two gas springs 2, so that the back tilting angles of the backrest frame; in this embodiment, the top ends of the two backrest support rods 5 of the backrest frame are provided with the gas spring 2 adjuster, the gas spring 2 adjuster is connected with the gas spring 2, the expansion amount of the gas spring 2 can be controlled by the gas spring 2 adjuster, and the expansion of the gas spring 2 can be controlled by the gas spring 2 adjuster, which is a conventional technical means in the field and can refer to the chinese patent with publication number CN 108042278A;

in actual use, when a user leans back to a half lying state, the nursing person can control the gas spring 2 to contract through the gas spring 2 regulator, because the two wheel supports 1 are supported on the ground through the wheels, the two wheel supports 1 are fixedly arranged, so that under the contraction action of the gas spring 2, the two backrest support rods 5 of the backrest frame rotate obliquely backwards under the pulling force of the gas spring 2, meanwhile, the two seat cushion brackets 3 respectively rotate around the hinged parts with the two wheel brackets 1, so that the whole body of the backrest frame, the seat frame and the foot bracket tilts backwards and rotates relative to the two wheel brackets 1, the back rest frame, the seat frame and the foot bracket can be controlled to be inclined backwards by controlling the telescopic amount of the gas spring 2 through the gas spring 2 regulator, so that the user is assisted to incline backwards to a comfortable half lying state, the comfort degree of the user is increased, and great convenience is provided for combing the hair or the head of the user by nursing staff.

In this embodiment, an arc-shaped plate is connected between the upper stay bar 11 and the lower stay bar 12 of the wheel support 1, wherein an arc-shaped groove 6 is formed in the arc-shaped plate, and the circle center of the arc-shaped groove 6 coincides with the hinged position of the upper stay bar 11 and the seat frame; fixing threaded holes 7 matched with the arc-shaped grooves 6 are formed in the seat cushion supports 3 on the two sides of the seat frame, so that preset bolts can penetrate through the arc-shaped grooves 6 to be matched with the fixing threaded holes 7, and the seat frame and the arc-shaped grooves 6 can be fixed relatively; after the nursing staff adjust the expansion of the gas spring 2 to the right position through the gas spring 2 adjuster, the back rest frame, the seat frame and the foot bracket are required to keep a backward tilting state for a long time or the back rest frame, the seat frame and the foot bracket are required to be restored to a sitting state, a preset bolt penetrates through the arc-shaped groove 6 to be in threaded fastening connection with the corresponding fixing threaded hole 7, the back rest frame, the seat frame and the foot bracket are effectively prevented from slightly rotating relative to the wheel support 1 through the pressing force of the bolt head on the arc-shaped groove 6, and the structure is more stable.

In this embodiment, the number of the arc-shaped plates between the upper stay bar 11 and the lower stay bar 12 of each wheel support 1 is two, two fixing threaded holes 7 are formed in each side of the seat frame, and the two fixing threaded holes 7 are respectively configured to correspond to the two arc-shaped plates on the same side.

In this embodiment, a front wheel support for mounting a front wheel is fixedly connected to a joint between the head end of the upper stay 11 and the head end of the lower stay 12, and a mounting hole 8 for mounting a rear wheel is formed at a position where the upper end of the connecting pipe body is connected.

In the present embodiment, in order to facilitate the nursing operation of the head of the user by the nursing staff after tilting backwards, the backrest support rod 5 is foldable and is composed of two rod bodies and a folding structure connecting the two rod bodies, that is, the backrest support rod 5 can be folded to achieve an avoiding effect when in use, and the folding structure adopted by the backrest support rod 5 is a conventional technical means in the field, and specifically, refer to the chinese patent with publication number CN 203954003U.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A wheelchair having a reclining function, characterized in that: the bicycle seat comprises a backrest frame, a seat frame and a foot bracket which are fixedly connected in sequence, wherein two sides of the seat frame are respectively provided with a wheel bracket (1) in a mirror image form; the wheel support (1) comprises an upper support rod (11) and a lower support rod (12) which are vertically arranged and are relatively fixed; two go up the middle section position of vaulting pole (11) respectively with the both sides of seat frame are articulated mutually, simultaneously, two down vaulting pole (12) respectively with the both sides of back frame are connected through predetermined air spring (2), wherein, two the flexible end of air spring (2) articulates respectively in the both sides of back frame, and the stiff end articulates respectively in the end of the lower vaulting pole (12) of homonymy, and the flexible end through two air springs (2) is synchronous flexible makes back frame, seat frame and foot bracket do the fore-and-aft rotation for two wheel supports (1) to adjust the hypsokinesis angle of back frame, seat frame and foot bracket.

2. The wheelchair having a reclining function as claimed in claim 1, wherein: the seat frame comprises two seat cushion brackets (3) which are arranged in a mirror image manner, the foot bracket comprises two foot support supporting rods (4) which are arranged in a mirror image manner, the backrest frame comprises two backrest supporting rods (5) which are arranged in a mirror image manner, wherein the two foot support supporting rods (4) are respectively and fixedly connected to the front ends of the two seat cushion brackets (3), and the two backrest supporting rods (5) are respectively and fixedly connected to the rear ends of the two seat cushion brackets (3); the middle sections of the upper support rods (11) of the two wheel supports (1) are hinged on the two seat cushion supports (3); the lower support rods (12) of the two wheel supports (1) are respectively connected with the two backrest support rods (5) of the backrest frame through the air springs (2), wherein the fixed ends of the air springs (2) are hinged on the lower support rods (12), and the telescopic ends of the air springs are hinged on the corresponding backrest support rods (5).

3. The wheelchair having a reclining function as claimed in claim 1, wherein: an arc-shaped plate is connected between an upper stay bar (11) and a lower stay bar (12) of the wheel support (1), wherein an arc-shaped groove (6) is formed in the arc-shaped plate, and the circle center of the arc-shaped groove (6) is coincided with the hinged position of the upper stay bar (11) and the seat frame; and fixing threaded holes (7) matched with the arc-shaped grooves (6) are formed in two sides of the seat frame, so that preset bolts can penetrate through the arc-shaped grooves (6) to be matched with the fixing threaded holes (7), and the seat frame and the arc-shaped grooves (6) are fixed relatively.

4. A wheelchair having a reclining function according to claim 3, wherein: the number of the arc-shaped plates between the upper supporting rod (11) and the lower supporting rod (12) of each wheel support (1) is two, two fixing threaded holes (7) are formed in each side of the seat frame, and the two fixing threaded holes (7) are respectively configured corresponding to the two arc-shaped plates on the same side.

5. The wheelchair having a reclining function as claimed in claim 1, wherein: each wheel support (1) is connected for buckling downwards by the head end of last vaulting pole (11) and the head end of vaulting pole (12) down, and the end of going up vaulting pole (11) is connected and is the closed annular support body that constitutes through the end of a connecting tube body with vaulting pole (12) down, and wherein, the junction rigid coupling of the head end of going up vaulting pole (11) and the head end of vaulting pole (12) down has the front wheel support that supplies the front wheel installation, and mounting hole (8) of supplying the rear wheel installation are seted up to the position of the upper end of connecting tube body.