CN209464212U - A kind of nose wheel angle micro-adjusting mechanism - Google Patents
A kind of nose wheel angle micro-adjusting mechanism Download PDFInfo
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- CN209464212U CN209464212U CN201821814461.2U CN201821814461U CN209464212U CN 209464212 U CN209464212 U CN 209464212U CN 201821814461 U CN201821814461 U CN 201821814461U CN 209464212 U CN209464212 U CN 209464212U
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- fixing seat
- inner cavity
- sleeve
- gear
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Abstract
The utility model discloses a kind of nose wheel angle micro-adjusting mechanisms of wheelchair technical field, including fixation base structure and adjust axle sleeve, fixation base structure includes fixing seat and fixed screw, fixing seat right part is vertically arranged with adjusting screw rod, fixing seat left part bottom wall of inner cavity is fixed with boss, adjusting axle sleeve includes sleeve, sleeve left wall is welded with and adjusts screw rod meshed gears, gear lower part opens up fluted, barrel bore is connected with connecting rod vertically, barrel bore top spiral is connected with adjusting bolt, adjusts and is provided with elastic component between stud base and connecting rod；It adjusts axle sleeve bottom and is connected with connecting lever, connecting lever lower part is connected with front-wheel, and the utility model realizes that the gradient of wheelchair is adjusted, and realizes laborsaving step-less adjustment by the cooperation of screw rod and gear；User, which is sitting on wheelchair, can also be adjusted gradient；Comfort is improved, and adjust bolt by rotation damping intensity can be adjusted, adapts to the demand of different crowd.
Description
Technical field
The utility model relates to wheelchair technical field, specially a kind of nose wheel angle micro-adjusting mechanism.
Background technique
Wheelchair is the important tool of rehabilitation, it is not only the walking-replacing tool of limbs the disabled and people with mobility problems with wheelchair,
Them are more importantly made to carry out physical exercise by means of wheelchair and participate in social activities, front-wheel is component important on wheelchair,
Existing front-wheel is mounted on that the mounting structure on wheelchair frame is complex, and in front-wheel the installation site of wheel be it is fixed,
It cannot can be adjusted as needed, to be suitable for different places.
Such as Chinese Patent Application No. is a kind of wheelchair front-wheel installation knot of fast demountable of CN201720257409.0
Structure, including front-wheel mounting rack, wheelchair wheelchair front wheel installing pipe, wheel and check lock lever, front-wheel mounting rack include the peace positioned at top
Dress axis and two connecting levers being oppositely arranged；The first installation through wheelchair front wheel installing pipe is offered in wheelchair front wheel installing pipe
Hole；Locking nut is welded in the wheelchair front wheel installing pipe and at the first mounting hole of face one end；It is offered in installation axle
Through the second mounting hole of installation axle, the axis setting side of the axis setting direction of second mounting hole and above-mentioned first mounting hole
To consistent；After in installation axle insertion wheelchair front wheel installing pipe the second mounting hole is aligned with the first mounting hole；The one of check lock lever
End is screwed into locking nut after the first mounting hole and the second mounting hole, and the other end of check lock lever is connected quincunx handle.Before
The mounting structure of wheel is simple, convenient for disassembly and assembly, and in front-wheel wheel installation site it is adjustable.
But the device, which corresponds to different hole locations by handle when adjusting front-wheel height, realizes height adjustment, but adjust
Height be it is fixed, be not able to achieve the fine adjustment and step-less adjustment of the gradient of wheelchair；When user is sitting on wheelchair not
Facilitate adjusting height, it is necessary to which leaving wheelchair just can be with inconvenient to use；Be not provided with damping device, cause to jolt, influence using
Comfort can not adjust damping intensity.
Based on this, the utility model devises a kind of nose wheel angle micro-adjusting mechanism, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of nose wheel angle micro-adjusting mechanisms, to solve to propose in above-mentioned background technique
Existing apparatus different hole location corresponded to by handle when adjusting front-wheel height realize height adjustment, but the height adjusted is
Fixed, it is not able to achieve the fine adjustment and step-less adjustment of the gradient of wheelchair；Be inconvenient to adjust when user is sitting on wheelchair
Highly, it is necessary to which leaving wheelchair just can be with inconvenient to use；It is not provided with damping device, causes to jolt, influences comfort,
The problem of damping intensity can not be adjusted.
To achieve the above object, the utility model provides the following technical solutions: a kind of nose wheel angle micro-adjusting mechanism, including solid
Reservation device and adjusting axle sleeve, the fixation base structure includes fixing seat and fixed screw, and the fixing seat right part is vertically arranged
There is adjusting screw rod, wall opening before the fixing seat left part, fixing seat left part inner cavity rear wall center weld has fixed column, described
Fixing seat left part bottom wall of inner cavity is fixed with boss, the fixed screw spiral connection vertically through fixing seat left part bottom wall of inner cavity and
Boss；
The adjusting axle sleeve includes sleeve, and the sleeve left wall is welded with and adjusts screw rod meshed gears, the gear
Inner cavity level offers the through-hole with fixed column major diameter fit, and the gear lower part opens up fluted, groove left end roof
It is fixed with Antiskid platform, the barrel bore is connected with connecting rod vertically, and barrel bore top spiral is connected with adjusting bolt,
Elastic component is provided between adjusting stud base and the connecting rod；
The adjusting axle sleeve bottom is connected with connecting lever, and the connecting lever lower part is connected with front-wheel, and the connecting rod lower end is run through
Connecting lever roof is fixedly connected by nut.
Preferably, the width of the groove is greater than the width of boss.
Preferably, the height of the Antiskid platform and the height of boss and the height less than groove.
Preferably, it is cooperatively connected between the fixation base structure and adjusting axle sleeve by gear and fixed column, and outside gear
Diameter is less than fixing seat left part inner cavity internal diameter.
Preferably, the front-wheel outer wall is uniformly provided with through-hole.
Compared with prior art, the utility model has the beneficial effects that the utility model, which is provided with, adjusts screw rod band movable tooth
Wheel rotation, gear are fixed on adjustment axis and put on, and adjust axle sleeve rotation to realize, realize that the gradient of wheelchair is adjusted, pass through silk
Laborsaving step-less adjustment is realized in the cooperation of bar and gear；User, which is sitting on wheelchair, can also be adjusted gradient；Connecting rod top
Portion is provided with and carries out damping when elastic component jolts to front-wheel, improves comfort, and adjusting bolt by rotation can be strong to damping
Degree is adjusted, and adapts to the demand of different crowd.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model fixation base structure schematic diagram；
Fig. 3 is that the utility model adjusts axle sleeve schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1- fixation base structure, 11- fixing seat, 12- adjust screw rod, 13- fixed screw, 14- boss, 15- fixed column, 2- tune
Nodal axisn set, 21- sleeve, 22- connecting rod, 23- gear, 24- groove, 25- Antiskid platform, 26- adjust bolt, 27- elastic component, and 3- is turned
Arm, 4- front-wheel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of nose wheel angle micro-adjusting mechanism, including fixation
Base device 1 and adjusting axle sleeve 2, fixation base structure 1 include fixing seat 11 and fixed screw 13, and 11 right part of fixing seat is vertically arranged with
Screw rod 12, wall opening before 11 left part of fixing seat are adjusted, 11 left part inner cavity rear wall center weld of fixing seat has fixed column 15, fixing seat
11 left part bottom wall of inner cavities are fixed with boss 14, and the connection of 13 spiral of fixed screw is vertical through 11 left part bottom wall of inner cavity of fixing seat and convex
Platform 14；
Adjusting axle sleeve 2 includes sleeve 21, and 21 left wall of sleeve is welded with and adjusting 12 meshed gears 23 of screw rod, in gear 23
Chamber level offers the through-hole with 15 major diameter fit of fixed column, and 23 lower part of gear opens up fluted 24, and 24 left end roof of groove is solid
Surely there is Antiskid platform 25,21 inner cavity of sleeve is connected with connecting rod 22 vertically, and 21 inner cavity top spiral of sleeve, which is connected with, adjusts bolt 26,
It adjusts and is provided with elastic component 27 between 26 bottom of bolt and connecting rod 22, elastic component 27 is provided at the top of connecting rod 22 to front-wheel 4
Damping is carried out when jolting, and is improved comfort, and adjust bolt 26 by rotation damping intensity can be adjusted, is adapted to different
The demand of crowd.
It adjusts 2 bottom of axle sleeve and is connected with connecting lever 3,3 lower part of connecting lever is connected with front-wheel 4, and 22 lower end of connecting rod is pushed up through connecting lever 3
Wall is fixedly connected by nut.
Wherein, the width of groove 24 is greater than the width of boss 14, so that gear 23 has space to be rotated.
The height of Antiskid platform 25 and the height of boss 14 and the height less than groove 24 avoid Antiskid platform 25 from pacifying gear 23
It causes to interfere when being filled to fixing seat 11.
It is cooperatively connected between fixation base structure 1 and adjusting axle sleeve 2 by gear 23 and fixed column 15,23 outer diameter of gear is less than
11 left part inner cavity internal diameter of fixing seat, enables gear 23 to install to 11 inner cavity of fixing seat.
4 outer wall of front-wheel is uniformly provided with through-hole, mitigates front-wheel weight.
One concrete application of the present embodiment are as follows: fixation of the axle sleeve 2 by gear 23 inner cavity and fixation base structure 1 will be adjusted
Column 15 is cooperatively connected, and by 24 alignment boss 14 of groove of 23 bottom of gear when installation, user is sitting on wheelchair, and rotation adjusts silk
With moving gear 23, gear 23 is fixed on to be adjusted on axle sleeve 2 bar 12, is adjusted axle sleeve 2 and is connected by connecting rod 22 and connecting lever 3, connecting lever 3
Lower part is connected with front-wheel 4, so that the rotation of gear 23 realizes that the gradient of wheelchair is adjusted, rotary fixing screw after the completion of adjusting
Silk 13, fixed screw 13 are contacted with 24 roof of groove that 23 lower part of gear opens up through 11 bottom of fixing seat and boss 14, are avoided
Motion process middle gear 23 shakes so that gradient changes, and the lower end of adjusting rod 22 is connected by nut and connecting lever 3, is adjusted
The upper end of bar 22 avoids connecting rod 22 from dropping out sleeve 21 by nut, the adjusting bolt 26 and connection that 21 top of sleeve is threadedly coupled
It is provided with elastic component 27 between 22 top of bar and carries out damping when jolting, rotation adjusts bolt 26 and changes the pre- of elastic component 27
Clamp force adapts to the demand of different crowd,
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of nose wheel angle micro-adjusting mechanism, including fixation base structure (1) and adjusting axle sleeve (2), it is characterised in that: the fixation
Base device (1) includes fixing seat (11) and fixed screw (13), and fixing seat (11) right part is vertically arranged with adjusting screw rod
(12), wall opening before fixing seat (11) left part, fixing seat (11) left part inner cavity rear wall center weld have fixed column
(15), fixing seat (11) the left part bottom wall of inner cavity is fixed with boss (14), and fixed screw (13) the spiral connection is passed through vertically
Fasten reservation (11) left part bottom wall of inner cavity and boss (14)；
The adjusting axle sleeve (2) includes sleeve (21), and sleeve (21) left wall is welded with the tooth engaged with adjusting screw rod (12)
It takes turns (23), gear (23) inner cavity level offers and the through-hole of fixed column (15) major diameter fit, gear (23) lower part
It opens up fluted (24), groove (24) left end roof is fixed with Antiskid platform (25), and sleeve (21) inner cavity connects vertically
Have connecting rod (22), sleeve (21) inner cavity top spiral, which is connected with, adjusts bolt (26), adjusting bolt (26) bottom
Elastic component (27) are provided between connecting rod (22)；
Adjusting axle sleeve (2) bottom is connected with connecting lever (3), and connecting lever (3) lower part is connected with front-wheel (4), the connecting rod
(22) lower end is fixedly connected through connecting lever (3) roof by nut.
2. a kind of nose wheel angle micro-adjusting mechanism according to claim 1, it is characterised in that: the width of the groove (24) is big
Width in boss (14).
3. a kind of nose wheel angle micro-adjusting mechanism according to claim 1, it is characterised in that: the height of the Antiskid platform (25)
With the height of boss (14) and less than the height of groove (24).
4. a kind of nose wheel angle micro-adjusting mechanism according to claim 1, it is characterised in that: the fixation base structure (1) and
It adjusts and is cooperatively connected between axle sleeve (2) by gear (23) and fixed column (15), and gear (23) outer diameter is less than fixing seat (11)
Left part inner cavity internal diameter.
5. a kind of nose wheel angle micro-adjusting mechanism according to claim 1, it is characterised in that: front-wheel (4) outer wall is uniform
Offer through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814461.2U CN209464212U (en) | 2018-11-06 | 2018-11-06 | A kind of nose wheel angle micro-adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814461.2U CN209464212U (en) | 2018-11-06 | 2018-11-06 | A kind of nose wheel angle micro-adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209464212U true CN209464212U (en) | 2019-10-08 |
Family
ID=68087159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821814461.2U Active CN209464212U (en) | 2018-11-06 | 2018-11-06 | A kind of nose wheel angle micro-adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209464212U (en) |
-
2018
- 2018-11-06 CN CN201821814461.2U patent/CN209464212U/en active Active
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