CN211583891U - Wheel leg type wheelchair capable of climbing steps - Google Patents

Wheel leg type wheelchair capable of climbing steps Download PDF

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Publication number
CN211583891U
CN211583891U CN201922423624.5U CN201922423624U CN211583891U CN 211583891 U CN211583891 U CN 211583891U CN 201922423624 U CN201922423624 U CN 201922423624U CN 211583891 U CN211583891 U CN 211583891U
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CN
China
Prior art keywords
wheel
outer side
mechanisms
stair climbing
connecting plate
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Expired - Fee Related
Application number
CN201922423624.5U
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Chinese (zh)
Inventor
杨立军
朱阳洋
张旭
李翼虎
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Shaanxi University of Science and Technology
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Shaanxi University of Science and Technology
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Priority to CN201922423624.5U priority Critical patent/CN211583891U/en
Application granted granted Critical
Publication of CN211583891U publication Critical patent/CN211583891U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a wheel-leg wheelchair capable of climbing steps, which comprises two stair climbing mechanisms symmetrically arranged at the left and right sides of a seat mechanism; the stair climbing mechanism comprises an inner side travelling wheel set and an outer side travelling wheel set, the inner side travelling wheel set comprises two inner side travelling wheel mechanisms which are vertically parallel and a transverse connecting rod, and the transverse connecting rod is horizontally arranged between the two inner side travelling wheel mechanisms; the outer side travelling wheel group comprises two outer side travelling wheel mechanisms which are vertically parallel and a sliding connecting plate, the two outer side travelling wheel mechanisms are arranged at intervals in the front and at the back and are respectively arranged on the front side and the back side of the inner side travelling wheel group, and the sliding connecting plate is arranged between the two outer side travelling wheel mechanisms; the utility model discloses a building mechanism is climbed in the setting, climbs building mechanism and adopts wheel leg formula telescopic machanism, simple structure, operates steadily, and the security performance is better, can be nimble under the step motion environment reliable and stable motion and the quick travel under plane environment, fine different users' of satisfying demand.

Description

Wheel leg type wheelchair capable of climbing steps
Technical Field
The utility model belongs to the technical field of wheelchair device, in particular to can climb wheel leg formula wheelchair of step.
Background
With the development of society and the improvement of technological level, the requirements of people on life quality are higher and higher, and the high-rise buildings in China are increased day by day, although most buildings select to install elevators, in order to prevent the occurrence of power failure or other emergency situations, corridors must exist; according to the current situation of installation of domestic elevators, the elevators are not installed in household buildings with the general floors below six floors, people can often meet the steps such as subway stations and the like in life, the steps or the road with large height difference generally exists on domestic roads, the wheelchair is not suitable for being used as a normal wheelchair, the aging of the domestic population is accelerated, the existing wheelchair cannot provide a safe and reliable wheelchair capable of climbing the steps, and the wheel-leg wheelchair capable of climbing the steps is particularly needed in the future.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a can climb wheel leg formula wheelchair of step to solve the technical problem that the wheelchair among the prior art can't reliably realize climbing the step.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a wheel-leg wheelchair capable of climbing steps, which comprises two stair climbing mechanisms and a seat mechanism; the two stair climbing mechanisms are symmetrically arranged on the left side and the right side of the seat mechanism;
the stair climbing mechanism comprises an inner walking wheel set and an outer walking wheel set, the inner walking wheel set comprises two inner walking wheel mechanisms and a transverse connecting rod which are vertically parallel, the two inner walking wheel mechanisms are arranged at intervals in the front and at the back, the transverse connecting rod is horizontally arranged between the two inner walking wheel mechanisms, and the inner walking wheel mechanisms comprise inner stair climbing telescopic rods and inner wheels; the inner side stair climbing telescopic rod is vertically arranged, the upper end of the inner side stair climbing telescopic rod is fixedly connected with the transverse connecting rod, and the lower end of the inner side stair climbing telescopic rod is connected with the inner side wheel;
the outer side travelling wheel set comprises two outer side travelling wheel mechanisms which are vertically parallel and a sliding connecting plate, the two outer side travelling wheel mechanisms are arranged at intervals in the front and at the back and are respectively arranged on the front side and the back side of the inner side travelling wheel set, and the sliding connecting plate is horizontally arranged between the two outer side travelling wheel mechanisms; the outer travelling wheel mechanism comprises an outer stair climbing telescopic rod, an outer wheel and a sliding connecting rod, the sliding connecting rod is horizontally arranged, one end of the sliding connecting rod is connected with the sliding connecting plate in a sliding mode, the other end of the sliding connecting rod is connected with the upper end of the outer stair climbing telescopic rod, and the lower end of the outer stair climbing telescopic rod is connected with the outer wheel; one side of the transverse connecting rod is fixedly connected with the sliding connecting plate, and the other side of the transverse connecting rod is fixedly connected with the seat mechanism.
Further, the inner travelling wheel mechanism also comprises an inner wheel support frame, an inner travelling motor and an inner limiting baffle plate; the inner side wheel support frame is fixedly arranged at the lower end of the inner side stair climbing telescopic rod, and the inner side wheel is rotatably arranged on the inner side wheel support frame; the inner side walking motor is fixedly arranged on the inner side wheel support frame, and the output end of the inner side walking motor is connected with the inner side wheel; the inboard spacing separation blade sets up between transverse connection pole and inboard building telescopic link of climbing, and the one end and the transverse connection pole of the inboard spacing separation blade are connected, and the other end climbs the upper end fixed connection of building telescopic link with the inboard.
Further, the outer travelling wheel mechanism also comprises an outer wheel support frame, an outer travelling motor and an outer limiting baffle plate; the outer wheel support frame is fixedly arranged at the lower end of the outer stair climbing telescopic rod, and the outer wheel is rotatably arranged on the outer wheel support frame; the outer side walking motor is fixedly arranged on the outer side wheel support frame, and the output end of the outer side walking motor is connected with the outer side wheel; the outer side limiting separation blade is arranged between the sliding connection plate and the outer side stair climbing telescopic rod, one end of the outer side limiting separation blade is connected with the sliding connection plate, and the other end of the outer side limiting separation blade is fixedly connected with the upper end of the outer side stair climbing telescopic rod.
Furthermore, the stair climbing mechanism is further provided with two telescopic adjusting mechanisms, the two telescopic adjusting mechanisms are symmetrically arranged on the sliding connection plate in a front-back mode, one telescopic adjusting mechanism is fixedly connected with the sliding connection rod of one outer side traveling wheel mechanism, the other telescopic adjusting mechanism is fixedly connected with the sliding connection rod of the other outer side traveling wheel mechanism, and the telescopic adjusting mechanisms are used for adjusting the displacement of the sliding connection rod on the sliding connection plate.
Furthermore, the telescopic adjusting structure comprises a connecting plate body, a limiting cylindrical pin, a cap, a screw rod nut, a screw rod and a screw rod control motor; the connecting plate body is arranged on the sliding connecting plate in a sliding mode, and the limiting cylindrical pin horizontally penetrates through the connecting plate body; one end of the limiting cylindrical pin is fixedly connected with the sliding connecting rod, and the other end of the limiting cylindrical pin is fixedly connected with the connecting plate body; the cap is arranged at the end part of the limiting cylindrical pin and is in sealing connection with the connecting plate body; the lead screw nut is fixedly arranged at the upper end or the lower end of the connecting plate body, one end of the lead screw is horizontally arranged in the lead screw nut in a penetrating mode, the other end of the lead screw is connected with the output end of the lead screw control motor, and the lead screw control motor is fixedly arranged on the connecting plate body of the other telescopic adjusting mechanism.
Further, the screw rod control motor is connected with the screw rod through a coupler; the screw rod control motor is fixedly arranged on the connecting plate body of the other telescopic adjusting mechanism through the motor fixing support.
Further, the seat mechanism comprises a seat body, a hip seat board, a seat board supporting frame, a backrest board, armrests and a folding foot supporting board; the seat body is arranged between the two stair climbing mechanisms, and two sides of the seat body are respectively and fixedly connected with the transverse connecting rods in the two stair climbing mechanisms; the seat board support frame is fixedly arranged on the seat body, the buttock seat board is arranged on the seat board support frame, the armrests are arranged on the two sides of the seat board support frame respectively, the backrest board is arranged at the rear end of the seat board support frame, and the folding foot supporting board is fixedly arranged at the front end of the seat board support frame.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a can climb wheel leg formula wheelchair of step climbs building mechanism through setting up, climbs building mechanism and adopts wheel leg formula telescopic machanism, simple structure, operates steadily, and the security performance is better, the reliable and stable motion under the step motion environment and the quick travel under plane environment that can be nimble, fine different users' of satisfying demand.
Further, through setting up flexible adjustment mechanism, screw-nut and the connecting plate body fixed connection among the flexible adjustment mechanism, lead screw and screw-nut threaded connection are connected between lead screw and the lead screw control motor, through accommodate the lead screw's flexible length, realize the regulation of the internal and external wheel mechanism interval, have satisfied the demand of climbing of different size specification steps, and the range of application is wide, and the practicality is better.
Drawings
Fig. 1 is a schematic view of the overall structure of a wheel-leg wheelchair according to the present invention;
fig. 2 is a schematic structural view of a stair climbing mechanism in the wheel-leg wheelchair of the present invention;
FIG. 3 is a schematic view of the structure of the inner side traveling wheel set of the wheel-leg wheelchair of the present invention;
FIG. 4 is a schematic structural view of an outer traveling wheel set in the wheel-leg wheelchair according to the present invention;
FIG. 5 is a schematic structural view of an outside running wheel set and a telescopic adjusting mechanism in the wheel-legged wheelchair of the present invention;
FIG. 6 is a schematic structural view of an outer side traveling wheel mechanism of the wheel-leg wheelchair according to the present invention;
FIG. 7 is a schematic view of the structure of the telescopic adjusting mechanism of the wheel-legged wheelchair of the present invention;
FIG. 8 is a front view of a connecting plate of a telescopic adjusting mechanism of a wheel-legged wheelchair according to the present invention;
FIG. 9 is a schematic view of a structure of a sliding connecting rod of the wheel-legged wheelchair according to the present invention;
fig. 10 is a schematic structural view of a seat mechanism in the wheel-legged wheelchair according to the present invention.
Wherein, 1 the stair climbing mechanism and 2 the seat mechanism; 11 inner walking wheel set, 12 outer walking wheel set and 13 telescopic adjusting mechanism; 111 inner side travelling wheel mechanism, 112 transverse connecting rod; 1111 inner side climbing telescopic rod, 1112 inner side wheel support frame, 1113 inner side wheel, 1114 inner side walking motor, 1115 inner side limit baffle plate; 121 outer travelling wheel mechanism, 122 sliding connection plate; 1211 outer side climbing stair telescopic rod, 1212 outer side wheel support frame, 1213 outer side wheel, 1214 outer side walking motor, 1215 outer side limit baffle plate, 1216 sliding connecting rod; 131 connecting plate bodies, 132 limiting cylindrical pins, 133 caps, 134 lead screw nuts, 135 lead screws, 136 lead screw control motors, 137 motor fixing supports and 138 couplers; 21 seat body, 22 buttocks seat board, 23 seat board support frame, 24 backrest board, 25 armrests and 26 folding foot rest board.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in the attached drawings 1-10, the utility model provides a wheel-leg wheelchair capable of climbing steps, which comprises two stair climbing mechanisms 1 and a seat mechanism 2, wherein the two stair climbing mechanisms 1 are symmetrically arranged at two sides of the seat mechanism 2 for moving on the steps or the ground;
the stair climbing mechanism 1 comprises an inner walking wheel set 11, an outer walking wheel set 12 and two telescopic adjusting mechanisms 13.
The inner walking wheel set 11 comprises two inner walking wheel mechanisms 111 and a transverse connecting rod 112 which are vertically parallel, the two inner walking wheel mechanisms 111 are arranged at intervals front and back, the transverse connecting rod 112 is horizontally arranged between the two inner walking wheel mechanisms 111, and each inner walking wheel mechanism 111 comprises an inner stair climbing telescopic rod 1111, an inner wheel support frame 1112, an inner wheel 1113, an inner walking motor 1114 and an inner limiting baffle 1115;
the inner side stair climbing telescopic rod 1111 is vertically arranged, and the upper end of the inner side stair climbing telescopic rod 1111 is fixedly connected with the transverse connecting rod 112; the inner wheel support frame 1112 is fixedly arranged at the lower end of the inner stair climbing telescopic rod 1111, and the inner wheel 1113 is rotatably arranged on the inner wheel support frame 1112; the inner side walking motor 1114 is fixedly arranged on the inner side wheel support frame 1112, the output end of the inner side walking motor 1114 is connected with the inner side wheel 1113, and the inner side walking motor 1114 is used for driving the inner side wheel 1113 to rotate; inboard spacing separation blade 1115 sets up between transverse connection pole 112 and inboard building telescopic link 1111 of climbing, and the one end and the transverse connection pole 112 of inboard spacing separation blade 1115 are connected, and the other end climbs building telescopic link 1111's upper end fixed connection with the inboard.
The outer traveling wheel set 12 includes two outer traveling wheel mechanisms 121 and a sliding connection plate 122 which are vertically parallel, the two outer traveling wheel mechanisms 121 are arranged at intervals in the front and back, and are respectively arranged on the front side and the back side of the inner traveling wheel set 11, and the sliding connection plate 122 is horizontally arranged between the two outer traveling wheel mechanisms 121.
The outer travelling wheel mechanism 121 comprises an outer stair climbing telescopic rod 1211, an outer wheel supporting frame 1212, an outer travelling motor 1214 of an outer wheel 1213, an outer limiting blocking piece 1215 and a sliding connecting rod 1216; the sliding connecting rod 1216 is horizontally arranged, one end of the sliding connecting rod 1216 is connected with the sliding connecting plate 122 in a sliding manner, and the other end of the sliding connecting rod 1216 is connected with the upper end of the outer stair climbing telescopic rod 1211; the outer wheel support frame 1212 is fixedly arranged at the lower end of the outer stair climbing expansion link 1211, and the outer wheel 1213 is rotatably mounted on the outer wheel support frame 1212; the outer side walking motor 1214 is fixedly arranged on the outer side wheel support frame 1212, and the output end of the outer side walking motor 1214 is connected with the outer side wheel 1213 and is used for driving the outer side wheel 1213 to rotate; the outer side limiting blocking piece 1215 is arranged between the sliding connection plate 122 and the outer side stair climbing telescopic rod 1211, one end of the outer side limiting blocking piece 1215 is connected with the sliding connection plate 122, and the other end of the outer side stair climbing telescopic rod 1211 is fixedly connected with the upper end of the outer side stair climbing telescopic rod 1211.
Two telescopic adjusting mechanisms 13 are symmetrically arranged on the sliding connection plate 122 from front to back, one telescopic adjusting mechanism 13 is fixedly connected with the sliding connection rod 1216 of one outer side travelling wheel mechanism 121, the other telescopic adjusting mechanism 13 is fixedly connected with the sliding connection rod 1216 of the other outer side travelling wheel mechanism 121, and the telescopic adjusting mechanisms 13 are used for adjusting the displacement of the sliding connection rod 1216 on the sliding connection plate 122.
The telescopic adjusting mechanism 13 comprises a connecting plate body 131, a limiting cylindrical pin 132, a cap 133, a lead screw nut 134, a lead screw 135 and a lead screw control motor 136; the connecting plate body 131 is slidably arranged on the sliding connecting plate 122, and the limiting cylindrical pin 132 horizontally penetrates through the connecting plate body 131; one end of the limiting cylindrical pin 132 is fixedly connected with the sliding connecting rod 1216, and the other end is fixedly connected with the connecting plate body 131; the cap 133 is arranged at the end part of the limiting cylindrical pin 132 and is connected with the connecting plate body 131 in a sealing way; the screw rod nut 134 is fixedly arranged at the upper end or the lower end of the connecting plate body 131, one end of the screw rod 135 horizontally penetrates through the screw rod nut 134, the other end of the screw rod 135 is connected with the output end of a screw rod control motor 136, and the screw rod control motor 136 is fixedly arranged on the connecting plate body 131 of the other telescopic adjusting mechanism 13; the lead screw control motor 136 is connected with the lead screw 135 through a coupling 138, and the lead screw control motor 136 is fixedly mounted on the connecting plate 131 of the other telescopic adjusting mechanism 13 through a motor fixing bracket 137.
The seat mechanism 2 comprises a seat body 21, a hip seat plate 22, a seat plate support frame 23, a backrest plate 24, armrests 25 and a folding foot supporting plate 26; the seat body 21 is arranged between the two stair climbing mechanisms 1, and two sides of the seat body 21 are respectively and fixedly connected with the transverse connecting rods 112 in the two stair climbing mechanisms 1; the seat board support frame 23 is fixedly arranged on the seat body 21, the hip seat board 22 is arranged on the seat board support frame 23, the handrails 25 are respectively arranged on two sides of the seat board support frame 23, the backrest board 24 is arranged at the rear end of the seat board support frame 23, and the folding foot supporting board 26 is fixedly arranged at the front end of the seat board support frame 23.
Working principle and using method
When the wheelchair starts to climb over the steps, the front outer wheel mechanism in the outer walking wheel set lifts the outer wheels to a certain height through the front outer stair climbing telescopic rod, and then the whole wheelchair moves forwards until the front outer wheel mechanism reaches the upper part of the table top of the previous step; the rear outer side climbing telescopic rod is put down and the rear outer side wheel is pushed to contact the step table; then a front inner side wheel mechanism in the inner side travelling wheel set lifts the inner side wheel to a certain height through a front inner side stair climbing telescopic rod, and then the whole wheelchair moves forwards until the front inner side wheel mechanism reaches the upper part of the step table; then the front inner side climbing telescopic rod puts down the front inner side wheel; the operation of the rear inner and outer wheels of the wheelchair device is the same as the operation of the front inner and outer wheels in the description and is not described again. The telescopic adjusting mechanism is additionally arranged to adapt to the sizes of different steps, and the distance between the travelling wheels in the travelling wheel sets on the inner sides and the outer sides can be flexibly adjusted according to the working environments of the steps with different sizes.
Climb building mechanism in the inboard walking wheelset and adopt nested mode to use screw bolt structure fixed connection on the support frame of wheelchair mechanism with one side between the walking wheelset in the outside, and inboard walking wheelset and outside walking wheelset become the modularization alone, can dismouting as required according to the use.
Power transmission:
the wheel driving motor is directly arranged on the wheel supporting frame and directly drives the inner and outer wheels through the wheel driving motor; and a screw rod control motor is adopted in the telescopic adjusting mechanism to directly drive the distance between the outer side travelling wheel mechanism and the inner side travelling wheel mechanism.
The utility model relates to a wheel-leg wheelchair capable of climbing steps, which comprises two stair climbing mechanisms and a wheelchair mechanism, wherein the two stair climbing mechanisms are symmetrically arranged at intervals; the wheelchair mechanism is arranged between the two stair climbing mechanisms, and the two stair climbing mechanisms are arranged on the two sides of the wheelchair mechanism in a bilateral symmetry manner; the stair climbing mechanism adopts a wheel-leg structure, so that the stair climbing mechanism can realize rapid movement on the flat ground and stability and reliability in climbing steps, an inner side walking wheel set, an outer side walking wheel set and a telescopic adjusting mechanism are arranged in the stair climbing mechanism, the inner side walking wheel set is provided with two inner side walking wheel mechanisms and a transverse connecting rod, the inner side walking wheel mechanisms and the transverse connecting rod are fixedly connected into a whole, and then the inner side walking wheel sets are connected to the left side and the right side of the wheelchair mechanism through threaded bolt structures; the outer side travelling wheel group is equipped with two travelling wheel mechanisms, a lateral sliding connecting plate, is equipped with a building telescopic link and a sliding connection pole in every travelling wheel mechanism, sliding connection pole and building telescopic link fixed connection, sliding connection pole and lateral sliding connecting plate sliding connection.
The telescopic adjusting mechanism is provided with a screw rod nut mechanism and a connecting plate body, a screw rod nut is fixedly connected with the connecting plate body, a screw rod is in threaded connection with the screw rod nut, the screw rod is fixedly connected with a screw rod control motor through a coupler, the screw rod control motor is connected with a motor fixing support through a threaded bolt structure, and the screw rod control motor fixing support is fixedly connected to the transverse sliding connecting plate through a threaded bolt; the sliding connection plate is fixedly connected with the connecting plate body through a limiting cylindrical pin and is fixedly connected to the connecting plate body through a cap in a sealing mode.
The utility model discloses a wheel leg formula telescopic machanism can realize climbing common step to can adapt to different step height and interval, can be nimble reliable and stable motion and the quick travel under the plane environment under the step motion environment, and climb the mechanism modularization of step, can add the function that climbs the step as required, different users' demand of satisfying that can be fine.
The above description is only illustrative of the preferred embodiments of the present invention, and any variations, modifications, decorations, etc. may be made without departing from the principle of the present invention, and these variations, modifications, decorations, etc. are all considered to be within the scope of the present invention.

Claims (7)

1. A wheel-leg wheelchair capable of climbing steps is characterized by comprising two stair climbing mechanisms (1) and a seat mechanism (2); the two stair climbing mechanisms (1) are symmetrically arranged at the left side and the right side of the seat mechanism (2);
the stair climbing mechanism (1) comprises an inner side walking wheel set (11) and an outer side walking wheel set (12), the inner side walking wheel set (11) comprises two inner side walking wheel mechanisms (111) and a transverse connecting rod (112) which are vertically parallel, the two inner side walking wheel mechanisms (111) are arranged at intervals in the front and at the back, the transverse connecting rod (112) is horizontally arranged between the two inner side walking wheel mechanisms (111), and the inner side walking wheel mechanisms (111) comprise inner side stair climbing telescopic rods (1111) and inner side wheels (1113); the inner side stair climbing telescopic rod (1111) is vertically arranged, the upper end of the inner side stair climbing telescopic rod (1111) is fixedly connected with the transverse connecting rod (112), and the lower end of the inner side stair climbing telescopic rod (1111) is connected with the inner side wheel (1113);
the outer side travelling wheel set (12) comprises two outer side travelling wheel mechanisms (121) which are vertically parallel and a sliding connecting plate (122), the two outer side travelling wheel mechanisms (121) are arranged at intervals in the front and at the back and are respectively arranged on the front side and the back side of the inner side travelling wheel set (11), and the sliding connecting plate (122) is horizontally arranged between the two outer side travelling wheel mechanisms (121); the outer side traveling wheel mechanism (121) comprises an outer side stair climbing telescopic rod (1211), an outer side wheel (1213) and a sliding connecting rod (1216), the sliding connecting rod (1216) is horizontally arranged, one end of the sliding connecting rod (1216) is connected with the sliding connecting plate (122) in a sliding mode, the other end of the sliding connecting rod (1216) is connected with the upper end of the outer side stair climbing telescopic rod (1211), and the lower end of the outer side stair climbing telescopic rod (1211) is connected with the outer side wheel (1213); one side of the transverse connecting rod (112) is fixedly connected with the sliding connecting plate (122), and the other side of the transverse connecting rod is fixedly connected with the seat mechanism (2).
2. The wheelchair as claimed in claim 1, wherein the inner side wheel mechanism (111) further comprises an inner side wheel support frame (1112), an inner side traveling motor (1114) and an inner side limit baffle (1115); the inner wheel support frame (1112) is fixedly arranged at the lower end of the inner stair climbing telescopic rod (1111), and the inner wheel (1113) is rotatably arranged on the inner wheel support frame (1112); the inner side walking motor (1114) is fixedly arranged on the inner side wheel support frame (1112), and the output end of the inner side walking motor (1114) is connected with the inner side wheel (1113); the inner side limiting blocking piece (1115) is arranged between the transverse connecting rod (112) and the inner side stair climbing telescopic rod (1111), one end of the inner side limiting blocking piece (1115) is connected with the transverse connecting rod (112), and the other end of the inner side limiting blocking piece is fixedly connected with the upper end of the inner side stair climbing telescopic rod (1111).
3. The wheelchair as claimed in claim 1, wherein the outer wheel mechanism (121) further comprises an outer wheel support frame (1212), an outer traveling motor (1214) and an outer limit stopper (1215); the outer wheel support frame (1212) is fixedly arranged at the lower end of the outer stair climbing telescopic rod (1211), and the outer wheel (1213) is rotatably arranged on the outer wheel support frame (1212); the outer side walking motor (1214) is fixedly arranged on the outer side wheel support frame (1212), and the output end of the outer side walking motor (1214) is connected with the outer side wheel (1213); the outer side limiting blocking piece (1215) is arranged between the sliding connection plate (122) and the outer side stair climbing telescopic rod (1211), one end of the outer side limiting blocking piece (1215) is connected with the sliding connection plate (122), and the other end of the outer side limiting blocking piece is fixedly connected with the upper end of the outer side stair climbing telescopic rod (1211).
4. The wheelchair as claimed in claim 1, wherein the stair climbing mechanism (1) is further provided with two telescopic adjusting mechanisms (13), the two telescopic adjusting mechanisms (13) are symmetrically arranged on the sliding connecting plate (122) in a front-back manner, one of the telescopic adjusting mechanisms (13) is fixedly connected with the sliding connecting rod (1216) of one of the outer side traveling wheel mechanisms (121), the other telescopic adjusting mechanism (13) is fixedly connected with the sliding connecting rod (1216) of the other outer side traveling wheel mechanism (121), and the telescopic adjusting mechanisms (13) are used for adjusting the displacement of the sliding connecting rod (1216) on the sliding connecting plate (122).
5. The wheelchair as claimed in claim 4, wherein the telescopic adjusting mechanism (13) comprises a connecting plate body (131), a limit cylindrical pin (132), a cap (133), a lead screw nut (134), a lead screw (135) and a lead screw control motor (136); the connecting plate body (131) is arranged on the sliding connecting plate body (122) in a sliding mode, and the limiting cylindrical pin (132) horizontally penetrates through the connecting plate body (131); one end of the limiting cylindrical pin (132) is fixedly connected with the sliding connecting rod (1216), and the other end of the limiting cylindrical pin is fixedly connected with the connecting plate body (131); the cap (133) is arranged at the end part of the limiting cylindrical pin (132) and is in sealing connection with the connecting plate body (131); the screw rod nut (134) is fixedly arranged at the upper end or the lower end of the connecting plate body (131), one end of the screw rod (135) is horizontally arranged in the screw rod nut (134) in a penetrating mode, the other end of the screw rod nut is connected with the output end of the screw rod control motor (136), and the screw rod control motor (136) is fixedly arranged on the connecting plate body (131) of the other telescopic adjusting mechanism (13).
6. The wheelchair as claimed in claim 5, wherein the screw control motor (136) is connected with the screw (135) via a coupling (138); the screw rod control motor (136) is fixedly arranged on the connecting plate body (131) of the other telescopic adjusting mechanism (13) through a motor fixing support (137).
7. The wheelchair as claimed in claim 1, wherein the seat mechanism (2) comprises a seat body (21), a hip seat plate (22), a seat plate support frame (23), a back rest plate (24), armrests (25) and a folding foot rest plate (26); the seat body (21) is arranged between the two stair climbing mechanisms (1), and two sides of the seat body (21) are respectively and fixedly connected with the transverse connecting rods (112) in the two stair climbing mechanisms (1); the seat board support frame (23) is fixedly arranged on the seat body (21), the hip seat board (22) is installed on the seat board support frame (23), handrails (25) are respectively arranged on two sides of the seat board support frame (23), the backrest board (24) is arranged at the rear end of the seat board support frame (23), and the folding foot supporting board (26) is fixedly arranged at the front end of the seat board support frame (23).
CN201922423624.5U 2019-12-28 2019-12-28 Wheel leg type wheelchair capable of climbing steps Expired - Fee Related CN211583891U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922423624.5U CN211583891U (en) 2019-12-28 2019-12-28 Wheel leg type wheelchair capable of climbing steps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922423624.5U CN211583891U (en) 2019-12-28 2019-12-28 Wheel leg type wheelchair capable of climbing steps

Publications (1)

Publication Number Publication Date
CN211583891U true CN211583891U (en) 2020-09-29

Family

ID=72597285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922423624.5U Expired - Fee Related CN211583891U (en) 2019-12-28 2019-12-28 Wheel leg type wheelchair capable of climbing steps

Country Status (1)

Country Link
CN (1) CN211583891U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112356632A (en) * 2020-11-20 2021-02-12 哈尔滨学院 Multi-foot intelligent obstacle crossing robot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112356632A (en) * 2020-11-20 2021-02-12 哈尔滨学院 Multi-foot intelligent obstacle crossing robot

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200929

Termination date: 20211228

CF01 Termination of patent right due to non-payment of annual fee