CN111820553B - Stair railing size and shape self-adaptive stair climbing walking aid traction device - Google Patents
Stair railing size and shape self-adaptive stair climbing walking aid traction device Download PDFInfo
- Publication number
- CN111820553B CN111820553B CN202010690991.6A CN202010690991A CN111820553B CN 111820553 B CN111820553 B CN 111820553B CN 202010690991 A CN202010690991 A CN 202010690991A CN 111820553 B CN111820553 B CN 111820553B
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- stair
- rotating
- handrail
- grab handle
- parallelogram mechanism
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- 230000009194 climbing Effects 0.000 title claims abstract description 24
- 241001166076 Diapheromera femorata Species 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 3
- 230000003044 adaptive effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
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Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B7/00—Other sticks, e.g. of cranked shape
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B9/00—Details
- A45B9/02—Handles or heads
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Abstract
The invention provides a stair handrail size and shape self-adaptive stair climbing walking aid traction device which is applied to assisting in going out from stairs in families and public places, wherein a walking stick is improved, a parallelogram mechanism and a rotating piece are arranged above the walking stick, the rotating piece rotates relative to the walking stick, the rotating piece after rotation is parallel to a grab handle of the walking stick and is used for clamping the handrail, and the device and the handrail are locked and released through deformation and deformation recovery of a parallelogram; because the deformation of the parallelogram mechanism automatically occurs after the force is applied to the power-assisted rod, and the deformation amount is self-adaptive along with the size of the handrail, the shape between the rotating piece and the stick grab handle can be self-adaptive to the shape of the handrail, and meanwhile, the parallelogram mechanism ensures that the power-assisted stick is vertical to the handrail of the stair, so the locking effect is good, after the power-assisted stick is used, the acting force is eliminated, the deformation is automatically eliminated, the use is convenient and fast, the popularization rate is high, and any person with requirements can use the power-assisted stick.
Description
Technical Field
The invention relates to the technical field of walking aids for going upstairs and downstairs in families and public places, in particular to a stair railing size and shape self-adaptive stair climbing walking aid traction device.
Background
In the aspect of walking or walking up and down stairs and assisting the old, one mode is to adopt an electric stair climbing machine, and the other mode is to adopt a walking stick for assistance. The electric stair climbing machine can help the solitary old people to go up and down stairs, but the stair climbing machine is not suitable for public occasions because the stair climbing machine needs a stair rail specially matched with the stair climbing machine, and the stair climbing machine is expensive and inconvenient to carry and brings inconvenience to other people. The walking stick is a walking stick and is characterized by simple structure, light weight and convenient carrying and use.
However, the conventional walking stick is limited to be adjustable in length, attached with a seat surface or capable of being transformed into a chair or a stool, and the like, although the shape and the size of the stairs can be designed and installed in a home, in public occasions, the stairs with different shapes and different sizes exist in different environments, the sizes of handrails are different, the shapes are various, and how to provide the walking stick capable of adapting to the upstairs or downstairs with different sizes and different shapes of the stairs is provided, which is not described in the prior art for a while.
Disclosure of Invention
Based on the above analysis, it is necessary to provide a stair climbing walking aid traction device which uses a walking stick as a carrier, has a simple structure, is convenient to adjust, and can be self-adapted to stair handrails with various shapes and sizes.
The invention provides a stair handrail size and shape self-adaptive stair climbing walking aid traction device, which is used for assisting in going upstairs and downstairs in families and public places for travelling, a walking stick is improved, a parallelogram mechanism and a rotating piece are arranged above the walking stick, the rotating piece rotates relative to the walking stick, the rotating piece and a walking stick grab handle are parallel after rotating, the shape between the rotating piece and the walking stick grab handle can be self-adaptive to the shape of the handrail, a walking stick rod and the handrail are always kept perpendicular to each other so as to be convenient for clamping the handrail, and the device and the handrail are locked and released through deformation and deformation recovery of a parallelogram.
Preferably, the stair handrail size and shape adaptive stair climbing walking aid traction device comprises a lower support body and an upper support body, wherein the lower support body is an elongated piece and is used for bearing the weight of a walking stick and above, the upper support body comprises a grab handle, a parallelogram mechanism and a rotating piece, the upper end of the parallelogram mechanism is connected with the grab handle, the lower end of the parallelogram mechanism is connected with the lower support body, the parallelogram mechanism rotates relative to the lower support body and the grab handle in one degree of freedom, the lower end of the rotating piece is connected with the lower support body and rotates relative to the lower support body in the other degree of freedom, so that the rotating piece is perpendicular to the different surfaces of the parallelogram mechanism after rotating, and the opposite surfaces of the rotating piece and the grab handle are provided with working surfaces used for being in contact with an external stair handrail.
Preferably, stair railing size shape self-adaptation is climbed building and is helped capable draw gear still includes the connecting piece, the lower extreme and the lower part supporter of connecting piece are connected, the upper end both sides of connecting piece set up under engaging lug and the second engaging lug, engaging lug sets up first shaft hole under engaging lug and the second to it is articulated with parallelogram mechanism's lower extreme, still set up the second shaft hole on the connecting piece, in order to articulate with the lower extreme of rotating member, still set up first engaging lug on the both sides of grab handle, engaging lug on the second, the third shaft hole is seted up to engaging lug on first engaging lug, the second, the degree of freedom direction in first shaft hole and third shaft hole is the same, and is different with the degree of freedom direction in second shaft hole to it is perpendicular with parallelogram mechanism heterofacial features after making the rotating member rotate.
Preferably, parallelogram mechanism includes first connecting rod, second connecting rod, and first connecting rod, second connecting rod set up in the both sides of connecting piece and grab handle relatively, and two tip of first connecting rod, second connecting rod all set up the pinhole, the axial direction in pinhole and the engaging lug's of connecting piece and grab handle shaft hole is unanimous to realize connecting through the mode of inserting the pin.
Preferably, the axis of the first shaft hole formed by the first lower engaging lug and the second lower engaging lug of the connecting piece is parallel to the axis of the third shaft hole formed by the first upper engaging lug and the second upper engaging lug of the grab handle, and the lengths of the first connecting rod and the second connecting rod are the same.
Preferably, the rotating member is a rotating body, and the head of the rotating body is provided with a short shaft to be hinged with the second shaft hole of the connecting member, so as to realize the relative rotation of the rotating body relative to the rotating member.
Preferably, the width of the rotating body is smaller than the distance between the first link and the second link.
Preferably, an anti-slip layer is further arranged on the working surface of the rotating element, and an anti-slip layer is further arranged on the side wall of the grab handle opposite to the anti-slip layer of the rotating element.
Preferably, the length of the lower support is adjustable.
Preferably, a non-slip mat is arranged at the bottom of the lower inserted rod.
When the invention is used, when going upstairs, the rod rotating piece is rotated out and clamped on the stair handrail together with the grab handle, and when a person pulls the rod rotating piece, the lower support body is stressed, the parallelogram mechanism is deformed and firmly locked on the stair handrail, and the old person is pulled to go upstairs; when the walking stick goes downstairs, when the walking stick steps on the ground, a person grasps the lower support body of the walking stick and exerts force on the lower support body, and the deformed parallelogram mechanism locks the handrail to stabilize the body. Because the deformation of the parallelogram mechanism automatically occurs after being stressed, and the deformation amount is self-adaptive along with the size of the handrail, the locking effect is good, after the handrail is used, the acting force is eliminated, the deformation is automatically eliminated, the handrail locking device is convenient and quick to use, the popularization rate is high, and any person with requirements can use the handrail.
Drawings
Fig. 1 and 2 are schematic diagrams of two angle structures of the stair handrail size and shape adaptive stair climbing walking aid traction device.
Fig. 3 is a schematic view of another state of the stair railing size and shape adaptive stair climbing walking aid traction device.
Fig. 4 is a schematic structural view of the rotary member 23.
Fig. 5 and 6 are schematic structural views of the connecting member 24.
Fig. 7 and 8 are schematic structural views of the handle 21.
Fig. 9 is a schematic view of the use state of the walking stick. The parallelogram mechanism 22 is shown deformed to clamp the handrail.
Fig. 10, 11, 12 and 13 are a front view, a top view and two-angle views of the stair railing according to the present invention.
Fig. 14, 15, 16 and 17 are schematic diagrams of the adaptive locking of the invention for different stair railing shapes and sizes.
In the figure: the handle comprises a lower insert rod 11, an upper insert rod 12, a non-slip mat 121, a handle 21, a non-slip layer 211, a parallelogram mechanism 22, a first connecting rod 221, a second connecting rod 222, a rotating piece 23, a short shaft 231, a connecting piece 24, a first lower connecting lug 241, a second lower connecting lug 242, a first shaft hole 243, a second shaft hole 244, a first upper connecting lug 245, a second upper connecting lug 246, a third shaft hole 247, a non-slip layer 248 and the handrail 100.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1-8, the embodiment of the invention provides a stair railing size and shape adaptive stair climbing walking aid traction device, which comprises a lower support body and an upper support body, wherein the lower support body is an elongated piece, for bearing the weight of the pole and above, the upper support comprises a grip 21, a parallelogram mechanism 22, a rotating member 23, the upper end of the parallelogram mechanism 22 is connected with the grab handle 21, the lower end is connected with the lower supporting body, and the parallelogram mechanism 22 rotates in one degree of freedom relative to the lower support and the handle 21, the lower end of said swivel member 23 is connected to the lower support body and is rotatable in another degree of freedom with respect to the lower support body, so that the rotating member 23 is perpendicular to the opposite side of the parallelogram mechanism 22 after rotating, and the opposite side of the rotating member 23 and the grip 21 is provided with a working surface for contacting with the outer stair railing 100.
Furthermore, the stair railing size and shape adaptive stair climbing walking aid traction device further comprises a connecting piece 24, the lower end of the connecting piece 24 is connected with the lower support body, a first lower connecting lug 241 and a second lower connecting lug 242 are arranged on two sides of the upper end of the connecting piece 24, a first shaft hole 243 is arranged on the first lower connecting lug 241 and the second lower connecting lug 242 and hinged with the lower end of the parallelogram mechanism 22, a second shaft hole 244 is further arranged on the connecting piece 24 and hinged with the lower end of the rotating piece 23, a first upper connecting lug 245 and a second upper connecting lug 246 are further arranged on two sides of the grab handle 21, a third shaft hole 247 is formed in the first upper connecting lug 245 and the second upper connecting lug 246, the directions of the degrees of freedom of the first shaft hole 243 and the third shaft hole 247 are the same and different from the direction of the degree of freedom of the second shaft hole 244, so that the rotating piece 23 is perpendicular to the different plane of the parallelogram mechanism 22 after rotating.
Further, the parallelogram mechanism 22 includes a first connecting rod 221 and a second connecting rod 222, the first connecting rod 221 and the second connecting rod 222 are disposed at two sides of the connecting member 24 and the handle 21, two ends of the first connecting rod 221 and the second connecting rod 222 are respectively provided with a pin hole, and the pin holes are consistent with axial directions of the shaft holes of the connecting member 24 and the connecting lug of the handle 21 so as to realize connection by inserting a pin.
Furthermore, the axis of the first shaft hole 243 formed in the first lower engaging lug 241 and the second lower engaging lug 242 of the connecting member 24 is parallel to the axis of the third shaft hole 247 formed in the first upper engaging lug 245 and the second upper engaging lug 246 of the handle 21, and the lengths of the first connecting rod 221 and the second connecting rod 222 are the same.
In this embodiment, the axis of the first shaft hole 243, the axis of the third shaft hole 247, the first link 221, and the second link 222 form a parallelogram to form a four-bar linkage structure, so that the handle 21 and the rotating member 23 are displaced from each other in the plane of the parallelogram to shorten the vertical distance therebetween, thereby allowing the two to clamp or release the stair handrail.
Further, the rotating member 23 is a rotating body, and the head of the rotating body is provided with a short shaft 231 to be hinged with the second shaft hole 244 of the connecting member 24, so as to realize the relative rotation of the rotating body relative to the rotating member 23.
Further, the width of the rotating body is smaller than the distance between the first link 221 and the second link 222. When the rotating part 23 is not rotated, the rotating part is clamped between the first connecting rod 221 and the second connecting rod 222, and not only is the walking stick stored, so that the walking stick is simple in structure, but also after the storage, the rotating body is in the plane of a parallelogram, namely, the rotating body is in the same plane with the first connecting rod 221 and the second connecting rod 222, and the rotating freedom direction of the rotating body is different from the rotating freedom direction of the connecting rods, so that the rotating body just limits the possibility that a quadrangle formed by the connecting rods rotates along the freedom direction.
Referring to fig. 9-17, in the present embodiment, by the arrangement of the parallelogram four-bar linkage structure, when going upstairs or downstairs, the rotating member 23 is moved first and rotated to be parallel to the handle 21, so that a space for engaging with the stair handrail is formed between the two members. Personnel hold the one end that the lower supporter is close to grab handle 21, go upstairs with stair railing card income space, personnel stimulate the lower part supporter for lower part supporter and rotating member 23 are rotatory along the direction of first shaft hole 243, and four-bar linkage takes place deformation, and parallelogram mechanism 22, the perpendicular distance between the rotating member 23 shorten, with the handrail chucking, the lower supporter still keeps original rectilinear direction simultaneously, does not influence the normal of personnel's hand and grips and use comfort.
Further, an anti-slip layer 211 is provided on the working surface of the rotary member 23. To increase the contact friction with the stair railing.
Further, an anti-slip layer 248 is provided on the side wall of the grip 21 opposite to the anti-slip layer 211 of the rotary member 23.
In the scheme, no matter the stair railing is planar or is special-shaped, the anti-skid layer 248211 is a flexible piece, can adapt to shape change, and the clamping degree is most suitable.
Further, the lower end of the connecting piece 24 is provided with a necking down inserted bar to be inserted into the upper end opening of the lower support body, so that the two support bodies are butted.
Further, the length of the lower support is adjustable. One embodiment is: the lower support body comprises a lower insertion rod 11 and an upper insertion rod 12 which are arranged in an inserted manner, a plurality of pin holes are formed in the side walls of the lower insertion rod 11 and the upper insertion rod 12, and a plurality of pins are inserted into the pin holes to realize the inserted arrangement of the lower insertion rod 11 and the upper insertion rod.
Further, a non-slip mat 121 is arranged at the bottom of the lower insert rod 11.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The above disclosure is only illustrative of the preferred embodiments of the present invention, which should not be taken as limiting the scope of the invention, but rather the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It will be understood by those skilled in the art that all or a portion of the above-described embodiments may be practiced and equivalents thereof may be resorted to as falling within the scope of the invention as claimed. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be suitably combined to form other embodiments as will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a stair railing size shape self-adaptation stairs-climbing helps capable draw gear which characterized in that: the device is used for assisting in going out of a home or a public place up and down stairs, the walking stick is improved, a parallelogram mechanism and a rotating piece are arranged above the walking stick, the rotating piece rotates relative to the walking stick, the non-rotating piece is positioned in the plane of the parallelogram mechanism, the rotating piece after rotating is parallel to a walking stick grab handle, the shape between the rotating piece and the walking stick grab handle can be adaptive to the shape of the handrail, a walking stick rod and the handrail are always kept perpendicular to clamp the handrail conveniently, and the device and the handrail are locked and released through deformation and deformation recovery of the parallelogram; parallelogram mechanism includes first connecting rod, second connecting rod, and first connecting rod, second connecting rod set up in the both sides of connecting piece and grab handle relatively, and two tip of first connecting rod, second connecting rod all set up the pinhole, the axial direction in the shaft hole of the engaging lug of pinhole and connecting piece and grab handle is unanimous to realize connecting through the mode of inserting the pin.
2. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 1 wherein: the walking stick comprises a lower supporting body and an upper supporting body, wherein the lower supporting body is an elongated piece and is used for bearing the weight of a walking stick and above, the upper supporting body comprises a grab handle, a parallelogram mechanism and a rotating piece, the upper end of the parallelogram mechanism is connected with the grab handle, the lower end of the parallelogram mechanism is connected with the lower supporting body, the parallelogram mechanism rotates relative to the lower supporting body and the grab handle in one degree of freedom, the lower end of the rotating piece is connected with the lower supporting body and rotates relative to the lower supporting body in the other degree of freedom, so that the rotating piece is perpendicular to the different surfaces of the parallelogram mechanism after rotating, and the opposite surfaces of the rotating piece and the grab handle are provided with working surfaces used for being in contact with an external stair handrail.
3. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 2 wherein: the lower extreme and the lower part supporter of connecting piece are connected, and the upper end both sides of connecting piece set up under first engaging lug and the second engaging lug, and first engaging lug and second engaging lug set up first shaft hole down to it is articulated with parallelogram mechanism's lower extreme, still set up the second shaft hole on the connecting piece, and to articulated with the lower extreme of rotating member, still set up first engaging lug on the both sides of grab handle, engaging lug on the second, and the third shaft hole is seted up to first engaging lug on, the engaging lug on the second, the degree of freedom direction in first shaft hole and third shaft hole is the same, and is different with the degree of freedom direction in second shaft hole, so that the rotating member is perpendicular with different planes of parallelogram mechanism after rotatory.
4. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 3 wherein: the axis of the first shaft hole formed by the first lower connecting lug and the second lower connecting lug of the connecting piece is parallel to the axis of the third shaft hole formed by the first upper connecting lug and the second upper connecting lug of the grab handle, and the lengths of the first connecting rod and the second connecting rod are the same.
5. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 1 wherein: the head of the rotating part is provided with a short shaft so as to be hinged with the second shaft hole of the connecting part, so that the rotating part can rotate relative to the lower supporting body.
6. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 2 wherein: an anti-slip layer is arranged on the working surface of the rotating part, and an anti-slip layer is arranged on the side wall of the grab handle opposite to the anti-slip layer of the rotating part.
7. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 2 wherein: the length of the lower support body is adjustable.
8. A stair railing size and shape adaptive stair climbing aid traction device as claimed in claim 2 wherein: and the bottom of the lower inserted bar is provided with an anti-skid pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010690991.6A CN111820553B (en) | 2020-07-17 | 2020-07-17 | Stair railing size and shape self-adaptive stair climbing walking aid traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010690991.6A CN111820553B (en) | 2020-07-17 | 2020-07-17 | Stair railing size and shape self-adaptive stair climbing walking aid traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111820553A CN111820553A (en) | 2020-10-27 |
| CN111820553B true CN111820553B (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010690991.6A Expired - Fee Related CN111820553B (en) | 2020-07-17 | 2020-07-17 | Stair railing size and shape self-adaptive stair climbing walking aid traction device |
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| CN (1) | CN111820553B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112438469B (en) * | 2020-12-02 | 2022-05-17 | 张家港江苏科技大学产业技术研究院 | Power-assisted walking stick for going upstairs and downstairs |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393676A (en) * | 2019-01-03 | 2019-03-01 | 齐相然 | A kind of crutch |
| CN110051479A (en) * | 2019-04-17 | 2019-07-26 | 哈工大机器人（合肥）国际创新研究院 | A kind of manual setter and its method, wheelchair of continuously adjustable wheelchair seat height |
| CN209395821U (en) * | 2018-06-26 | 2019-09-17 | 兰州交通大学 | A kind of accurate railway transponder angular adjustment instrument of ready-package |
| CN110432608A (en) * | 2019-08-02 | 2019-11-12 | 浙江工业职业技术学院 | A kind of crutch |
| CN111172865A (en) * | 2020-02-18 | 2020-05-19 | 中铁二院重庆勘察设计研究院有限责任公司 | Hinge top pressure type track bridge expansion device |
-
2020
- 2020-07-17 CN CN202010690991.6A patent/CN111820553B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209395821U (en) * | 2018-06-26 | 2019-09-17 | 兰州交通大学 | A kind of accurate railway transponder angular adjustment instrument of ready-package |
| CN109393676A (en) * | 2019-01-03 | 2019-03-01 | 齐相然 | A kind of crutch |
| CN110051479A (en) * | 2019-04-17 | 2019-07-26 | 哈工大机器人（合肥）国际创新研究院 | A kind of manual setter and its method, wheelchair of continuously adjustable wheelchair seat height |
| CN110432608A (en) * | 2019-08-02 | 2019-11-12 | 浙江工业职业技术学院 | A kind of crutch |
| CN111172865A (en) * | 2020-02-18 | 2020-05-19 | 中铁二院重庆勘察设计研究院有限责任公司 | Hinge top pressure type track bridge expansion device |
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| CN111820553A (en) | 2020-10-27 |
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Granted publication date: 20211116 |