CN211567546U - Universal wheel suitable for rehabilitation wheelchair - Google Patents
Universal wheel suitable for rehabilitation wheelchair Download PDFInfo
- Publication number
- CN211567546U CN211567546U CN202020001803.XU CN202020001803U CN211567546U CN 211567546 U CN211567546 U CN 211567546U CN 202020001803 U CN202020001803 U CN 202020001803U CN 211567546 U CN211567546 U CN 211567546U
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- CN
- China
- Prior art keywords
- universal wheel
- guide post
- connecting disc
- group
- edge surface
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- Expired - Fee Related
Links
- 230000035939 shock Effects 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Rehabilitation Tools (AREA)
Abstract
The utility model discloses a universal wheel suitable for a rehabilitation wheelchair, which comprises a connecting disc with a disc-shaped structure, a guide post matched with the connecting disc for installation and a universal wheel main body arranged at the bottom end of the connecting disc, wherein the axle center of the guide post is consistent with that of the connecting disc, and the upper end of the outer edge surface of the guide post is provided with a group of limiting rings, the upper end surface of the connecting disc is provided with a group of embedded rings which are coaxial with the connecting disc, the inner edge surface of the embedded ring is connected with a group of shock absorption covers, the interior of each shock absorption cover is provided with a chamber for adjusting the limiting ring, the diameter of the outer edge surface of the limiting ring is consistent with that of the inner edge surface of each shock absorption cover, the periphery of one end of the bottom end of the limiting ring of the guide column structure is sleeved with a group of shock absorption springs, and damping spring's bottom and the up end of connection pad butt each other, the bottom of guide post passes the connection pad and sets up in the universal wheel main part swing joint of connection pad bottom. This universal wheel suitable for recovered wheelchair, effective shock attenuation increase user's comfort level, reliable and stable, the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of the wheelchair, concretely relates to universal wheel suitable for recovered wheelchair.
Background
Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.
The wheelchair universal wheel is a small wheel which is arranged in the front of the wheelchair and used for realizing guidance, and the wheelchair is guided to move by matching with a rear driving wheel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an universal wheel suitable for recovered wheelchair to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a universal wheel suitable for a rehabilitation wheelchair comprises a connecting disc in a disc-shaped structure, a guide post matched with the connecting disc for installation, and a universal wheel main body arranged at the bottom end of the connecting disc, wherein the axis of the guide post is consistent with that of the connecting disc, and the upper end of the outer edge surface of the guide post is provided with a group of limiting rings, the upper end surface of the connecting disc is provided with a group of embedded rings which are coaxial with the connecting disc, and the inner edge surface of the embedded ring is connected with a group of shock-absorbing covers, the interior of each shock-absorbing cover is provided with a chamber for adjusting the limiting ring, the diameter of the outer edge surface of the limiting ring is consistent with that of the inner edge surface of each shock-absorbing cover, the periphery of one end of the bottom end of the limiting ring of the guide column structure is sleeved with a group of shock-absorbing springs, and damping spring's bottom and the mutual butt of the up end of connection pad, the bottom of guide post passes the connection pad and sets up in the universal wheel main part swing joint of connection pad bottom.
Preferably, the center of the connecting disc is provided with a hole for the guide post to pass through, a group of first guide rings for coating the outer edge surface of the guide post are arranged in the hole, the center of the top end of the shock absorption cover is provided with a hole for the guide post to pass through, and a group of second guide rings for coating the outer edge surface of the guide post are arranged in the hole.
Preferably, the universal wheel main part includes the U type link of a set of connection guide post bottom to and the gyro wheel main part of passing through spacing bolted connection below the U type link.
Preferably, the U-shaped connecting frame comprises two sets of matching vertical plates arranged on two sides of the roller main body and a first connecting transverse plate and a second connecting transverse plate which are connected above the matching vertical plates, and the bottom ends of the matching vertical plates are provided with matching jacks for connecting limiting bolts.
Preferably, the first connecting transverse plate and the second connecting transverse plate are parallel to each other, and the roller bearings connected with the bottom ends of the guide columns are installed at the centers of the first connecting transverse plate and the second connecting transverse plate in an embedded mode.
Preferably, the upper end surface of the first connecting transverse plate is provided with four groups of antifriction rollers abutted to the bottom end of the connecting disc in an annular array by taking the axis of the roller bearing as the center of a circle, and the bottom end of the connecting disc is provided with an annular groove matched with the antifriction rollers.
The utility model discloses a technological effect and advantage: according to the universal wheel suitable for the rehabilitation wheelchair, the universal wheel main body is connected through the guide post, the guide post installed by matching with the connecting disc and the damping cover can slide up and down due to the arrangement of the second guide ring and the first guide ring, and the damping spring is matched for buffering the force in the axial direction of the guide post, so that the damping is effectively realized, and the comfort level of a user is ensured; the second connecting transverse plate and the first connecting transverse plate of the U-shaped connecting frame are matched with the two sets of roller bearings to be connected with the bottom end of the guide column, so that the stability of the guide column in the rotation direction along the axial center direction is guaranteed, and meanwhile, the increase of the antifriction rollers guarantees that the second connecting transverse plate and the connecting disc are in rolling friction, and the friction loss is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the universal wheel of the present invention;
fig. 4 is a schematic view of the U-shaped connecting frame structure of the present invention.
In the figure: the damping device comprises a connecting plate 1, a fitting ring 101, a guide post 2, a limit ring 201, a universal wheel body 3, a damping cover 4, a damping spring 401, a connecting frame 5U-shaped, a vertical plate 6 matched, a first connecting transverse plate 601, a second connecting transverse plate 602, a roller bearing 7, an antifriction roller 701, a roller body 8, a limit bolt 9, a matching insertion hole 901, a first guide ring 10 and a second guide ring 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a universal wheel suitable for a rehabilitation wheelchair as shown in figures 1-4, which comprises a connecting disc 1 with a disc-shaped structure, a guide post 2 installed by matching the connecting disc 1 and a universal wheel main body 3 arranged at the bottom end of the connecting disc 1, wherein the axle center of the guide post 2 is consistent with the axle center of the connecting disc 1, a group of limit rings 201 are constructed at the upper end of the outer edge surface of the guide post 2, a group of embedded rings 101 with the same axle center as the connecting disc 1 are constructed at the upper end surface of the connecting disc 1, a group of shock-absorbing hoods 4 are connected with the inner edge surface of the embedded rings 101, a chamber for adjusting the limit rings 201 is arranged in the shock-absorbing hoods 4, the diameter of the outer edge surface of the limit rings 201 is consistent with the diameter of the inner edge surface of the shock-absorbing hoods 4, a group of shock-absorbing springs 401 are sleeved at the outer edge surface of the bottom end of the limiting rings 201 constructed at, the bottom end of the guide post 2 penetrates through the connecting disc 1 and is movably connected with a universal wheel main body 3 arranged at the bottom end of the connecting disc 1;
the hole that supplies guide post 2 to pass is seted up at the center of connection pad 1, and downthehole first guide ring 10 that is provided with the 2 outer fringe faces of a set of cladding guide post, the hole that supplies guide post 2 to pass is seted up at the top center of shock attenuation cover 4, and downthehole second guide ring 11 that is provided with the 2 outer fringe faces of a set of cladding guide post, connects universal wheel main part 3 through guide post 2, benefits from setting up of second guide ring 11 and first guide ring 10 to make guide post 2 of cooperation connection pad 1 and the installation of shock attenuation cover slide from top to bottom, cooperation damping spring 401 time along the buffering of 2 axle center direction forces of guide post, effectively realizes the shock attenuation, guarantees user's comfort level.
Specifically, universal wheel main part 3 includes U type link 5 that a set of connection guide post 2 bottoms to and the gyro wheel main part 8 of connecting through spacing bolt 9 below U type link 5, during the concrete implementation, the material of gyro wheel main part 8 is chooseed for use according to the user's demand.
Specifically, the U-shaped connecting frame 5 includes two sets of first connecting transverse plate 601 and second connecting transverse plate 602 that set up in the cooperation riser 6 and the cooperation riser 6 top of roller main part 8 both sides and connect, the cooperation jack 901 that supplies stop bolt 9 to connect is seted up to the bottom of cooperation riser 6.
Specifically, first connection diaphragm 601 and second connection diaphragm 602 are parallel to each other, and the roller bearing 7 of connecting guide post 2 bottom is all inlayed and installed at the center of first connection diaphragm 601 and second connection diaphragm 602, the up end of first connection diaphragm 601 uses the axle center of roller bearing 7 to be the annular array and is provided with the antifriction roller 701 of four groups butt connection pad 1 bottom, the ring channel of cooperation antifriction roller 701 is seted up to connection pad 1's bottom, and U type link 5's second connection diaphragm 602 and two sets of roller bearing 7 of first connection diaphragm 601 cooperation are connected the guide post 2 bottom, guarantee along the stability of 2 axle center directions of guide post when rotatory, and the increase of antifriction roller 701 guarantees to be rolling friction between second connection diaphragm 602 and the connection pad 1, reduces the friction loss.
Specifically, when the universal wheel suitable for the rehabilitation wheelchair is installed, the top end of a guide post 2 needs to be butted with the position of the universal wheel connected with the front end of the wheelchair and is welded and fixed, a group of external springs are sleeved on the outer edge surface of the connecting position after the springs are fixed, the diameter of the inner edge surface of each spring needs to be consistent with that of the outer edge surface of a shock absorption cover 4, one end, away from the wheelchair connecting position, of each spring is fixed on the outer edge surface of the shock absorption cover 4, at the moment, when the vibration transmitted by a universal wheel main body 3 is transferred to the guide post 2, the guide post 2 downwards compresses a shock absorption spring 401, the springs outside the shock absorption cover 4 are in a stretching state, the two groups of spring mechanisms interact to realize shock absorption and fast reset, a U-shaped connecting frame 5 can rotate around the axis of the guide post 2 to meet universal adjustment, the comfort level of a user is effectively increased, stability and reliability, the practicability is strong.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a universal wheel suitable for recovered wheelchair, includes connecting pad (1) that is disc structure, guide post (2) of cooperation connecting pad (1) installation and sets up in universal wheel main part (3) of connecting pad (1) bottom, its characterized in that: the axis of the guide post (2) is consistent with the axis of the connecting disc (1), a group of limiting rings (201) are constructed at the upper end of the outer edge surface of the guide post (2), the upper end surface of the connecting disc (1) is provided with a group of embedded rings (101) which are coaxial with the connecting disc (1), the inner edge surface of the embedded ring (101) is connected with a group of shock-absorbing covers (4), the interior of each shock-absorbing cover (4) is provided with a chamber for adjusting the limiting ring (201), the diameter of the outer edge surface of the limiting ring (201) is consistent with that of the inner edge surface of each shock-absorbing cover (4), a group of damping springs (401) are sleeved on the periphery of one end of the bottom end of the limiting ring (201) of the guide post (2), the bottom end of the damping spring (401) is mutually abutted with the upper end face of the connecting disc (1), the bottom end of the guide post (2) penetrates through the connecting disc (1) and is movably connected with the universal wheel main body (3) arranged at the bottom end of the connecting disc (1).
2. The universal wheel suitable for the rehabilitation wheelchair as claimed in claim 1, wherein: the hole that supplies guide post (2) to pass is seted up at the center of connection pad (1), and downthehole first guide ring (10) that are provided with a set of cladding guide post (2) outer fringe face, the hole that supplies guide post (2) to pass is seted up at the top center of shock attenuation cover (4), and downthehole second guide ring (11) that are provided with a set of cladding guide post (2) outer fringe face.
3. The universal wheel suitable for the rehabilitation wheelchair as claimed in claim 1, wherein: the universal wheel main body (3) comprises a group of U-shaped connecting frames (5) connected with the bottom ends of the guide columns (2) and roller wheel main bodies (8) connected with the lower sides of the U-shaped connecting frames (5) through limiting bolts (9).
4. The universal wheel suitable for the rehabilitation wheelchair as claimed in claim 3, wherein: u type link (5) are including two sets of first connection diaphragm (601) and the second connection diaphragm (602) that set up in cooperation riser (6) and cooperation riser (6) top connection of gyro wheel main part (8) both sides, cooperation jack (901) that supply spacing bolt (9) to connect are seted up to the bottom of cooperation riser (6).
5. The universal wheel suitable for the rehabilitation wheelchair as claimed in claim 4, wherein: the first connecting transverse plate (601) and the second connecting transverse plate (602) are parallel to each other, and the roller bearings (7) connected with the bottom ends of the guide columns (2) are installed at the centers of the first connecting transverse plate (601) and the second connecting transverse plate (602) in an embedded mode.
6. The universal wheel suitable for the rehabilitation wheelchair as claimed in claim 5, wherein: the upper end face of the first connecting transverse plate (601) is provided with four groups of antifriction rollers (701) which are abutted to the bottom end of the connecting disc (1) in an annular array by taking the axis of the roller bearing (7) as the center of a circle, and the bottom end of the connecting disc (1) is provided with an annular groove matched with the antifriction rollers (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001803.XU CN211567546U (en) | 2020-01-02 | 2020-01-02 | Universal wheel suitable for rehabilitation wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001803.XU CN211567546U (en) | 2020-01-02 | 2020-01-02 | Universal wheel suitable for rehabilitation wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211567546U true CN211567546U (en) | 2020-09-25 |
Family
ID=72554165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020001803.XU Expired - Fee Related CN211567546U (en) | 2020-01-02 | 2020-01-02 | Universal wheel suitable for rehabilitation wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211567546U (en) |
-
2020
- 2020-01-02 CN CN202020001803.XU patent/CN211567546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |