CN110236810A - A kind of electric wheelchair convenient for obstacle detouring - Google Patents
A kind of electric wheelchair convenient for obstacle detouring Download PDFInfo
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- CN110236810A CN110236810A CN201910519777.1A CN201910519777A CN110236810A CN 110236810 A CN110236810 A CN 110236810A CN 201910519777 A CN201910519777 A CN 201910519777A CN 110236810 A CN110236810 A CN 110236810A
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- electric wheelchair
- bolt
- mounting
- bracket
- obstacle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
- A61G5/061—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
The present invention discloses a kind of electric wheelchair convenient for obstacle detouring, it is related to electric wheelchair technical field, including rack, the chair back, driving mechanism, Liang Ge aiding overpass obstacle mechanism, two baffles, two driving wheels and two driven wheels, aiding overpass obstacle mechanism is set to the top of the front end of driven wheel, aiding overpass obstacle mechanism includes connection component and runner assembly, connection component includes link block, lower stopper and two mounting plates being set on link block same side, runner assembly includes mounting bracket and auxiliary wheel, auxiliary wheel is installed on the lower end of mounting bracket, and auxiliary wheel and mounting bracket are rotatablely connected, mounting bracket is set between two mounting plates and is formed with connection component and is rotatablely connected, mounting bracket can be rotated between link block and the restriction range of lower stopper.Electric wheelchair provided by the invention convenient for obstacle detouring is able to ascend the ability of crossing for completing single obstacle, while when that can reduce the case where casting anchor when driving on rough ground, structure is simple, and cost is relatively low.
Description
Technical field
The present invention relates to electric wheelchair technical fields, more particularly to a kind of electric wheelchair convenient for obstacle detouring.
Background technique
The aggravation of aging of population results in increase in demand of the people to wheelchair, currently on the market the fortune of relatively conventional wheelchair
Dynamic auxiliary device has following several features.
1, the miscellaneous function of wheelchair more orients and single, possesses the miscellaneous function of miscellaneous function wheelchair often just for one
The problems such as kind problem, such as solution wheelchair stair-climbing, user stand, the wheelchair equipped with these supplementary structures can all be directed to and be solved
Problem changes the overall structure of wheelchair thus to solve these problems.
2, the auxiliary equipment cost of wheelchair is excessively high, and the user of wheelchair is mostly the poor crowd of economic condition, many wheels
Chair user is difficult to bear this economic pressures, then can select the simplified manual wheelchair of no auxiliary body.
3, current wheelchair is poor in the ability to act of rough ground, presently, there are aiding overpass obstacle structure be to take turns mostly
Chair is remedied when falling into obstacle, does not prevent the ability that wheelchair casts anchor.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of electric wheelchair convenient for obstacle detouring, is promoted and completes single obstacle
Cross ability, while when that can reduce the case where casting anchor when driving on rough ground, structure is simple, and cost is relatively low.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of electric wheelchair convenient for obstacle detouring, including rack, the chair back, driving mechanism, two aiding overpass obstacles
Mechanism, two baffles, two driving wheels and two driven wheels, the chair back are set to the top of the rear end of rack, two institutes
The top that baffle is respectively arranged at the rack two sides is stated, the diameter of the driving wheel is greater than the diameter of the driven wheel；Two
The driving wheel is set to the lower section of the front end of rack, and two driven wheels are set to the lower section of the rear end of rack,
Or two driven wheels are set to the lower section of the front end of rack, and two driving wheels are set to the rear end of rack
Lower section；For the driving mechanism for driving the driving wheel to rotate, the aiding overpass obstacle mechanism is set to the driven wheel
The top of front end, the aiding overpass obstacle mechanism include connection component and runner assembly, and the connection component includes link block, lower block
Block and two mounting plates being set on the link block same side, the link block are installed on the lower section of the rack, institute
It states lower stopper and is set to the bottom end between two mounting plates and being located at the mounting plate, the runner assembly includes installation branch
Frame and auxiliary wheel, the auxiliary wheel is installed on the lower end of the mounting bracket, and the auxiliary wheel and the mounting bracket rotate
Connection, the mounting bracket are set between two mounting plates and are formed with the connection component and be rotatablely connected, the peace
Dress bracket can be rotated between the link block and the restriction range of the lower stopper, when electric wheelchair is flat on ground
When, bottom end and the ground of the auxiliary wheel maintain a certain distance.
Preferably, the connection component further includes the first bolt and the first nut, and it is logical that first is provided on the mounting plate
Hole, first bolt pass through the first through hole on two mounting plates, and one end peace that first bolt stretches out
Equipped with the first nut, first bolt can be rotated relative to the mounting plate, the mounting bracket be arranged be fixed on it is described
Outside first bolt.
Preferably, the connection component further includes two the first rolling bearings, is provided on the inner sidewall of the mounting plate
First mounting groove, first mounting groove is corresponding with the first through hole position, is equipped with one in each first mounting groove
A first rolling bearing, first bolt, which is arranged, to be fixed in first rolling bearing.
Preferably, the link block is hollow structure, and the upper and lower surfaces of the link block are provided with connecting hole.
Preferably, middle part setting of the link block close to the upper end of the mounting plate side is fluted.
Preferably, the mounting bracket includes connecting rod and the U-bracket for being set to connecting rod lower end, the connection rod set
If being fixed on outside first bolt, the auxiliary wheel, which is installed on the U-bracket and forms rotation with the U-bracket, to be connected
It connects.
Preferably, the runner assembly further includes the second bolt and the second nut, on two side plates of the U-bracket
It is provided with the second through-hole, second bolt passes through two second through-holes, and one end installation that second bolt stretches out
There is the second nut, second bolt can be rotated relative to the U-bracket, and the auxiliary wheel, which is arranged, is fixed on described second
Outside bolt.
Preferably, the runner assembly further includes two the second rolling bearings, the inside of two side plates of the U-bracket
The second mounting groove is provided on wall, second mounting groove is corresponding with second lead to the hole site, each second mounting groove
One second rolling bearing is inside installed, second bolt, which is arranged, to be fixed in second rolling bearing.
The present invention achieves following technical effect compared with the existing technology:
Two aiding overpass obstacle machines are arranged in the upper front of electric wheelchair driven wheel in electric wheelchair convenient for obstacle detouring of the invention
Structure, when electric wheelchair is in level ground, the edge of auxiliary wheel is slightly higher than ground.When electric wheelchair traveling encounter protrusion or
The ground of recess, when electric wheelchair is inclined, auxiliary wheel can touch ground, provide the support on ground to electric wheelchair
Power, thus guarantee electric wheelchair will not due to driven wheel can not crossing over blockage and cast anchor, realize prevention electric wheelchair cast anchor.Work as electricity
When wheelchair marches to single step, when the driving wheel obstacle detouring of wheelchair can crossing over blockage, driven wheel can also rely on auxiliary wheel
Help cross single step, will not be stuck, achieve the purpose that auxiliary electric wheelchair crossing over blockage.Meanwhile it is of the invention just
It is not necessarily to change the overall structure of electric wheelchair in the electric wheelchair of obstacle detouring, aiding overpass obstacle mechanism structure is simple, is easily installed, cost
It is lower, conducive to being promoted the use of.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the electric wheelchair provided by the invention convenient for obstacle detouring；
Fig. 2 is schematic diagram of the electric wheelchair when advancing on level land in the present invention；
Schematic diagram when Fig. 3 is the driving wheel completion climb steps of electric wheelchair in the present invention；
Fig. 4 is the schematic diagram when auxiliary wheel of electric wheelchair and step contact in the present invention；
Fig. 5 crosses schematic diagram when step for the auxiliary wheel of electric wheelchair in the present invention；
Schematic diagram when Fig. 6 is the driven wheel contact step of electric wheelchair in the present invention；
Fig. 7 is that the driven wheel of electric wheelchair in the present invention completes schematic diagram when crossing of step；
Fig. 8 is the structural schematic diagram of aiding overpass obstacle mechanism in the present invention；
Fig. 9 is the explosive view of aiding overpass obstacle mechanism in the present invention；
Figure 10 is the structural schematic diagram of connection component in the present invention；
Figure 11 is the structural schematic diagram of runner assembly in the present invention；
Figure 12 is the side view of the driving wheel of electric wheelchair provided in the present invention, auxiliary wheel and driven wheel.
Description of symbols: 1, link block；2, mounting plate；3, first through hole；4, the first bolt；5, the first nut；6,
One rolling bearing；7, connecting rod；8, U-bracket；9, auxiliary wheel；10, the second bolt；11, the second nut；12, second axis of rolling
It holds；13, lower stopper；14, groove；15, rack；16, driving mechanism；17, baffle；18, the chair back；19, driving wheel；20, driven wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of electric wheelchairs convenient for obstacle detouring, and promote the single obstacle of completion crosses ability,
Simultaneously when that can reduce the case where casting anchor when driving on rough ground, structure is simple, and cost is relatively low.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one:
As shown in figs. 1-11, the present embodiment provides a kind of electric wheelchairs convenient for obstacle detouring, including rack 15, the chair back 18, drive
Motivation structure 16, Liang Ge aiding overpass obstacle mechanism, two baffles, 17, two driving wheels 19 and two driven wheels 20, the chair back 18 are set to
The top of 15 rear end of rack, two baffles 17 are respectively arranged at the top of 15 two sides of rack, specifically, the chair back 18 and two baffles
17 are connected in rack 15 by way of nested, and the diameter of driving wheel 19 is greater than the diameter of driven wheel 20, two driving wheels 19
It is set to the lower section of 15 front end of rack, and two driven wheels 20 are set to the lower section of 15 rear end of rack；Driving mechanism 16 is for driving
Dynamic driving wheel 19 rotates, and specifically, rack 15 is installed and is provided with platform at driving wheel 19, and driving mechanism 16 is fixed by bolts in
On platform, driving mechanism 16 includes driving motor and reduction gearbox, and driving motor is connect with reduction gearbox, two output shafts of reduction gearbox
It is connect respectively with two driving wheels 19；Aiding overpass obstacle mechanism is set to the top of the front end of driven wheel 20, aiding overpass obstacle mechanism packet
Connection component and runner assembly are included, connection component includes link block 1, lower stopper 13 and is set on 1 same side of link block
Two mounting plates 2, link block 1 are installed on the lower section of rack 15, and rack 15 is installed and is provided with mounting rod, mounting rod at driven wheel 20
Be set to the top of driven wheel 20, link block 1 is fixedly connected with mounting rod, lower stopper 13 be set between two mounting plates 2 and
Positioned at the bottom end of mounting plate 2, specifically, lower stopper 13 is set to the middle part of 2 bottom end of mounting plate；Runner assembly includes mounting bracket
With auxiliary wheel 9, auxiliary wheel 9 is installed on the lower end of mounting bracket, and auxiliary wheel 9 and mounting bracket are rotatablely connected, and mounting bracket is set
It is placed between two mounting plates 2 and is formed with connection component and is rotatablely connected, mounting bracket can be in link block 1 and lower stopper 13
It limits and is rotated between range, runner assembly has the rotational freedom of rotatable certain angle, passes through link block 1 and lower block
Block 13 is constrained, and when auxiliary wheel 9 and ladder or step are collided, the collision that runner assembly is subject to is non-rigid collision.
Liang Ge aiding overpass obstacle mechanism is set in the upper front of electric wheelchair driven wheel 20, when electric wheelchair is in level ground
When, the edge of auxiliary wheel 9 is slightly higher than ground.It advances when electric wheelchair and encounters the ground of protrusion or recess, electric wheelchair is in incline
When ramp-like state, auxiliary wheel 9 can touch ground, the holding power on ground be provided to electric wheelchair, to guarantee electric wheelchair not
Can due to driven wheel 20 can not crossing over blockage and cast anchor, realize prevention electric wheelchair cast anchor.When electric wheelchair marches to single platform
When rank, when 19 obstacle detouring of driving wheel of wheelchair can crossing over blockage, driven wheel 20 can also cross individually by the help of auxiliary wheel 9
Step will not be stuck, and achieve the purpose that auxiliary electric wheelchair crossing over blockage.It can be across encountering rugged ground or driven wheel 20
Obstacle more, when such as climb and fall, the auxiliary wheel 9 of runner assembly encounter ground and the junction of runner assembly and connection component not
The limes superiors that rotation angle can be reached, can contact ground and rotate, not influence the proper motion of wheelchair.Meanwhile in the present invention
The electric wheelchair convenient for obstacle detouring be not necessarily to change the overall structure of electric wheelchair, aiding overpass obstacle mechanism structure is simple, be easily installed,
Cost is relatively low, conducive to being promoted the use of.
Connection component further includes the first bolt 4 and the first nut 5, and first through hole 3, the first bolt 4 are provided on mounting plate 2
First through hole 3 on two mounting plates 2, and one end that the first bolt 4 stretches out is equipped with the first nut 5,4 energy of the first bolt
Enough to rotate relative to mounting plate 2, mounting bracket, which is arranged, to be fixed on outside the first bolt 4.
In order to enable the first bolt 4 is rotationally more smooth, connection component further includes two the first rolling bearings 6, installation
The first mounting groove is provided on the inner sidewall of plate 2, the first mounting groove is corresponding with 3 position of first through hole, in each first mounting groove
One the first rolling bearing 6 is installed, the first bolt 4, which is arranged, to be fixed in the first rolling bearing 6.
Specifically, link block 1 is hollow structure, and the upper and lower surfaces of link block 1 are provided with connecting hole, link block
1 is sheathed on outside mounting rod, and is fixed in connection hole by screw bolt and nut.Link block 1 is upper close to 2 side of mounting plate
The middle part setting fluted 14 at end.
Mounting bracket includes connecting rod 7 and the U-bracket 8 for being set to 7 lower end of connecting rod, and connecting rod 7, which is arranged, is fixed on
Outside one bolt 4, the upper end of connecting rod 7 can be placed in the groove 14 of link block 1, and auxiliary wheel 9 is installed on U-bracket 8 and and U
Shape bracket 8 forms rotation connection.
Runner assembly further includes the second bolt 10 and the second nut 11, is provided with second on two side plates of U-bracket 8
Through-hole, the second bolt 10 passes through two the second through-holes, and one end that the second bolt 10 stretches out is equipped with the second nut 11, the second spiral shell
Bolt 10 can be rotated relative to U-bracket 8, and auxiliary wheel 9, which is arranged, to be fixed on outside the second bolt 10.
Runner assembly further includes two the second rolling bearings 12, and is provided on the inner sidewall of two side plates of U-bracket 8
Two mounting grooves, the second mounting groove is corresponding with the second lead to the hole site, and second rolling bearing is equipped in each second mounting groove
12, the second bolt 10, which is arranged, to be fixed in the second rolling bearing 12.
When electric wheelchair crosses step, as shown in Fig. 2, being state of the electric wheelchair when advancing on level land, lead at this time
Driving wheel 19 and driven wheel 20 land support；To Fig. 3, the driving wheel 19 of electric wheelchair completes climb steps；To Fig. 4, auxiliary wheel 9
It is contacted with step；To Fig. 5, auxiliary wheel 9 crosses step, and driven wheel 20 is hanging at this time, and electric wheelchair is by driving wheel 19 and auxiliary wheel 9
It is supported；To Fig. 6, the driven wheel 20 of electric wheelchair contacts step, and electric wheelchair need to guarantee auxiliary wheel when being in the state of Fig. 6
The edge on 9 bottom edges will be lower than or maintain an equal level in the center of circle of driven wheel 20；To Fig. 7, driven wheel 20 completes crossing for step, electric at this time
The support that lands of wheelchair becomes driving wheel 19 and driven wheel 20 again, and auxiliary wheel 9 enters vacant state, completes since then electronic
Wheelchair crosses all processes of step.
As shown in figure 12, in the schematic side view of the driving wheel 19 of electric wheelchair, auxiliary wheel 9 and driven wheel 20, driving wheel
19 diameter is D, and the diameter of auxiliary wheel 9 is c, and the diameter of driven wheel 20 is d, the water in 19 center of circle of driving wheel and 20 center of circle of driven wheel
Distance is equalled as b, the horizontal distance in 9 center of circle of auxiliary wheel and 20 center of circle of driven wheel is a, vertical distance e, the obstacle height that summary is crossed
Degree is f, wherein f>d/2, c/2<e+d/2.For known fixed electric wheelchair, as long as b, d, D are it is known that find out a, e, c
Functional relation, so that it may find out the installation parameter of aiding overpass obstacle mechanism, complete the aiding overpass obstacle mechanism knot to specific electric wheelchair
The length of connection component and mounting bracket selects in the design of structure, that is, aiding overpass obstacle mechanism, is worked as by calculating to find out
When installation parameter a, e, c of aiding overpass obstacle mechanism meet following relationship, wheelchair can complete the task of crossing over blockage.It can foundation
The structure choice connection component of calculated result and electric wheelchair and the most suitable length factor of mounting bracket.
Embodiment two:
Two driven wheels 20 are set to the lower section of 15 front end of rack in the present embodiment, and two driving wheels 19 are set to rack
The lower section of 15 rear ends, aiding overpass obstacle mechanism are set to the top of the front end of driven wheel 20, before elder generation is by driven wheel 20 in this case
The auxiliary wheel 9 of side first contacts step obstacle, completes crossing for driven wheel 20, then by 19 crossing over blockage of driving wheel.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. a kind of electric wheelchair convenient for obstacle detouring, which is characterized in that including rack, the chair back, driving mechanism, two aiding overpass obstacle machines
Structure, two baffles, two driving wheels and two driven wheels, the chair back is set to the top of the rear end of rack, described in two
Baffle is respectively arranged at the top of the rack two sides, and the diameter of the driving wheel is greater than the diameter of the driven wheel；Two institutes
The lower section that driving wheel is set to the front end of rack is stated, and two driven wheels are set to the lower section of the rear end of rack, or
Two driven wheels of person are set to the lower section of the front end of rack, and two driving wheels are set to the rear end of rack
Lower section；The driving mechanism is for driving the driving wheel to rotate, before the aiding overpass obstacle mechanism is set to the driven wheel
The top at end, the aiding overpass obstacle mechanism include connection component and runner assembly, and the connection component includes link block, lower stopper
With two mounting plates being set on the link block same side, the link block is installed on the lower section of the rack, described
Lower stopper is set to the bottom end between two mounting plates and being located at the mounting plate, and the runner assembly includes mounting bracket
And auxiliary wheel, the auxiliary wheel is installed on the lower end of the mounting bracket, and the auxiliary wheel and mounting bracket rotation connect
It connects, the mounting bracket is set between two mounting plates and is formed with the connection component and is rotatablely connected, the installation
Bracket can be rotated between the link block and the restriction range of the lower stopper, when electric wheelchair is flat on ground
When, bottom end and the ground of the auxiliary wheel maintain a certain distance.
2. the electric wheelchair according to claim 1 convenient for obstacle detouring, which is characterized in that the connection component further includes first
Bolt and the first nut, first through hole is provided on the mounting plate, and first bolt passes through on two mounting plates
The first through hole, and one end that first bolt stretches out is equipped with the first nut, first bolt can be relative to institute
Mounting plate rotation is stated, the mounting bracket, which is arranged, to be fixed on outside first bolt.
3. the electric wheelchair according to claim 2 convenient for obstacle detouring, which is characterized in that the connection component further includes two
First rolling bearing, the first mounting groove is provided on the inner sidewall of the mounting plate, and first mounting groove is logical with described first
Hole site is corresponding, and first rolling bearing is equipped in each first mounting groove, and first bolt is arranged solid
Due in first rolling bearing.
4. the electric wheelchair according to claim 1 convenient for obstacle detouring, which is characterized in that the link block is hollow structure,
The upper and lower surfaces of the link block are provided with connecting hole.
5. the electric wheelchair according to claim 1 convenient for obstacle detouring, which is characterized in that the link block is close to the installation
The middle part setting of the upper end of plate side is fluted.
6. the electric wheelchair according to claim 3 convenient for obstacle detouring, which is characterized in that the mounting bracket includes connecting rod
With the U-bracket for being set to connecting rod lower end, the connecting rod, which is arranged, to be fixed on outside first bolt, the auxiliary wheel installation
It is rotatablely connected on the U-bracket and with U-bracket formation.
7. the electric wheelchair according to claim 6 convenient for obstacle detouring, which is characterized in that the runner assembly further includes second
Bolt and the second nut, the second through-hole is provided on two side plates of the U-bracket, and second bolt passes through two institutes
The second through-hole is stated, and one end that second bolt stretches out is equipped with the second nut, second bolt can be relative to the U
Shape holder pivots, the auxiliary wheel, which is arranged, to be fixed on outside second bolt.
8. the electric wheelchair according to claim 7 convenient for obstacle detouring, which is characterized in that the runner assembly further includes two
Second rolling bearing, is provided with the second mounting groove on the inner sidewall of two side plates of the U-bracket, second mounting groove with
Second lead to the hole site is corresponding, is equipped with second rolling bearing in each second mounting groove, and described second
Bolt, which is arranged, to be fixed in second rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519777.1A CN110236810B (en) | 2019-06-17 | 2019-06-17 | Electric wheelchair convenient to hinder more |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519777.1A CN110236810B (en) | 2019-06-17 | 2019-06-17 | Electric wheelchair convenient to hinder more |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110236810A true CN110236810A (en) | 2019-09-17 |
| CN110236810B CN110236810B (en) | 2020-09-04 |
Family
ID=67887347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910519777.1A Active CN110236810B (en) | 2019-06-17 | 2019-06-17 | Electric wheelchair convenient to hinder more |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110236810B (en) |
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| CN107184325A (en) * | 2017-07-31 | 2017-09-22 | 常州机电职业技术学院 | Intelligent wheel chair traveling obstacle crossing device |
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Application publication date: 20190917 Assignee: Chuzhou Monte tech Environmental Protection Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000112 Denomination of invention: An electric wheelchair for obstacle crossing Granted publication date: 20200904 License type: Common License Record date: 20201104 Application publication date: 20190917 Assignee: Nanjing Monte tech Environmental Protection Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2020320000111 Denomination of invention: An electric wheelchair for obstacle crossing Granted publication date: 20200904 License type: Common License Record date: 20201105 |
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