CN110250677B - Portable crutch chair device and method - Google Patents
Portable crutch chair device and method Download PDFInfo
- Publication number
- CN110250677B CN110250677B CN201910425433.4A CN201910425433A CN110250677B CN 110250677 B CN110250677 B CN 110250677B CN 201910425433 A CN201910425433 A CN 201910425433A CN 110250677 B CN110250677 B CN 110250677B
- Authority
- CN
- China
- Prior art keywords
- rod
- rods
- crutch
- connecting piece
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B5/00—Walking sticks or umbrellas convertible into seats; Hunting sticks
Landscapes
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a portable crutch chair device and a method. The seat folding device comprises a main crutch, a main handle, an auxiliary handle, a sleeve and a seat folding device, wherein a base is fixedly sleeved at the bottom of the main crutch, the main handle is fixedly sleeved at the top of the main crutch, and a C-shaped groove penetrating front and back is formed in the upper part of the main crutch; the main crutch positioned below the C-shaped groove is sequentially fixed with a stool part annular connecting piece, an upper annular connecting piece and a lower annular connecting piece at intervals, and a supporting annular connecting piece is slidably arranged between the upper annular connecting piece and the lower annular connecting piece; the main crutch sleeve positioned above the stool part annular connecting piece is provided with a sleeve, the upper part of the sleeve is connected with an auxiliary handle, the joint of the auxiliary handle and the sleeve is provided with a bolt penetrating through the C-shaped groove, and the bolt slides along the C-shaped groove under the drive of the auxiliary handle. One side of the main crutch is hinged with a stool part folding device, and the other side of the main crutch is hinged with a leg part folding device. The invention has the characteristics of small volume, simple structure, safety, reliability, convenient use, convenient installation and maintenance, low cost and the like.
Description
Technical Field
The invention relates to a crutch chair device, in particular to a portable crutch chair device and a method.
Background
China is a country with a plurality of people, and the proportion of the old population is rising year by year. The aging problem brings various problems to the whole society, and a series of problems associated with the socialization of the aging problem also raise concerns of various industries. Elderly people have problems in walking due to the decline of leg bones as they age. The problems of inconvenient actions and physical weakness commonly exist bring inconvenience to the travel of the elderly, so the crutch is a very useful action auxiliary tool for the elderly. The rest space is also needed by the old people when the old people travel, some old people need to walk with hands and difficulty, and the other hand needs to hold the stool, so that the old people have inconvenience and a certain danger while having the rest space.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a portable crutch chair device and a method, which are added with a chair function on the basis of meeting the original functions of a crutch, and are suitable for the old to use when going out.
The technical scheme adopted by the invention is as follows:
1. portable crutch chair device
The invention comprises a main crutch, a main handle, an auxiliary handle, a sleeve and a seat folding device, wherein the bottom of the main crutch is sleeved and fixed with a base which is contacted with the ground, the top of the main crutch is sleeved and fixed with a main handle for holding, the upper part of the main crutch is provided with a C-shaped groove which penetrates front and back, and the C-shaped groove mainly comprises a vertical groove and horizontal grooves which are positioned at the upper end and the lower end of the vertical groove; the main crutch positioned below the C-shaped groove is sequentially fixed with a bench part annular connecting piece, an upper annular connecting piece and a lower annular connecting piece at intervals, a supporting annular connecting piece is slidably arranged between the upper annular connecting piece and the lower annular connecting piece, and the lower annular connecting piece is used for propping against the supporting annular connecting piece; the main crutch sleeve positioned above the bench part annular connecting piece is provided with a sleeve, the bench part annular connecting piece is used for propping against the sleeve, the upper part of the sleeve is connected with an auxiliary handle, a bolt penetrating through the C-shaped groove is arranged at the joint of the auxiliary handle and the sleeve, and the bolt slides along the C-shaped groove under the drive of the auxiliary handle.
The seat folding device comprises a stool part folding device and a leg folding device, one side of the main crutch is hinged with the stool part folding device, the other side of the main crutch is hinged with the leg folding device, and four symmetrically distributed hinge seats are arranged at the same height of the bottom of the sleeve; the stool part folding device comprises a supporting rod, a stool rod connecting piece, side rods and a middle rod, wherein one hinging seat positioned at one side of the main crutch is hinged with the middle rod I, and the other hinging seat positioned at one side of the main crutch is hinged with two side rods I; the annular connecting piece of the stool part is provided with two hinged ends which are vertically corresponding to the positions of the two hinged seats positioned on one side of the main crutch, the hinged ends which are corresponding to the lower parts of the hinged seats connected with the middle rod I are connected with two side rods II, the hinged ends which are corresponding to the lower parts of the hinged seats connected with the two side rods I are connected with the middle rod II, one ends of the two side rods I, which are far away from the hinged seats, are respectively hinged to two sides of the middle part of the middle rod II, and one ends of the two side rods II, which are far away from the hinged seats, are respectively hinged to two sides of the middle part of the middle rod I; the middle rod I and the middle rod II are respectively connected with a bench part annular connecting piece with a strip-shaped groove in the middle at one end far away from the hinging seat, and bench rods are connected between the two bench part annular connecting pieces through bolts; the support annular connecting piece is hinged with four support rods at the position of the other side of the main crutch, and one ends of the two side rods I and the two side rods II, which are far away from the hinged seat, are respectively hinged with one ends of the four support rods, which are far away from the support annular connecting piece.
The crank-slider mechanism composed of the middle rod, the side rods and the supporting rods realizes the unfolding and folding of the stool part folding device, and the double-rocker mechanism and the crank-slider mechanism composed of the connecting rods, the C-shaped long rods, the C-shaped short rods and the leg connecting rods realize the unfolding and folding of the leg folding device.
The leg folding device comprises a connecting rod, a C-shaped long rod, a C-shaped short rod and a leg connecting rod, wherein two hinging seats on the other side of the main crutch are hinged with the connecting rod, an upper annular connecting piece is hinged with the two C-shaped long rods, the two C-shaped long rods are located on the other side of the main crutch, one ends of the connecting rod, which are far away from the hinging seats, are respectively hinged to the middle parts of the two C-shaped long rods, one ends of the two C-shaped long rods, which are far away from the upper annular connecting piece, are respectively hinged with the C-shaped short rod, and leg connecting rods are respectively hinged between each C-shaped short rod and the lower annular connecting piece.
The bolt positioned in the C-shaped groove is driven by the auxiliary handle to slide to the end part of one side, far away from the vertical groove, of the upper horizontal groove and the lower horizontal groove, so that the limiting and fixing of the sleeve are realized.
The bolts arranged at the two ends of the stool rod slide along the strip-shaped grooves of the stool part annular connecting pieces to realize the distance adjustment between the two stool part annular connecting pieces.
The surface of a triangular area surrounded by the stool rod and the middle rod in the stool part folding device is covered with a foldable carbon fiber board as a stool surface.
The stool part annular connecting piece, the upper annular connecting piece, the supporting annular connecting piece, the lower annular connecting piece and the stool rod connecting piece adopt aluminum materials as preparation materials; the main handle, the handle and the sleeve are made of photo-curing resin; the bottom of the base is provided with a sucker for skid prevention.
2. Use method of portable crutch chair
The method comprises the following steps:
s1: the crutch chair is in a furled state initially, and the auxiliary handle of the sleeve is limited at the horizontal groove position at the upper end of the C-shaped groove;
s2: unfolding the crutch chair: the auxiliary handle rotates towards one side close to the vertical groove, and after reaching the groove rail of the vertical groove, the auxiliary handle is pushed downwards to the bottom end of the vertical groove; in the process that the auxiliary handle drives the sleeve to move downwards, the middle rod I and the side rod I hinged with the sleeve are driven to move downwards, at the moment, the middle rod I and the side rod I are unfolded from a vertical state to a horizontal state, the downward movement of the middle rod I and the side rod I respectively drives the middle rod II and the side rod II to be unfolded from the vertical state to the horizontal state, the heights of the middle rod II and the side rod II at the hinged positions of the middle rod II and the stool part annular connecting piece are kept unchanged, the downward movement of the middle rod I and the side rod I drives the supporting annular connecting piece hinged with the two supporting rods to move downwards, and the two supporting rods are used for supporting the unfolded stool part folding device;
in the process that the auxiliary handle drives the sleeve to move downwards, the connecting rod hinged with the sleeve is driven to rotate towards the other side far away from the main crutch, so that the C-shaped long rod and the C-shaped short rod are driven to be unfolded towards the other side far away from the main crutch, the C-shaped long rod and the C-shaped short rod are used as leg support rods of the crutch chair after being unfolded, and the bottoms of the leg support rods are contacted with the ground; the C-shaped long rod and the C-shaped short rod are unfolded and simultaneously drive the leg connecting rod to rotate towards one side close to the base and are used for supporting the leg supporting rod;
the auxiliary handle is pushed down to the bottom end of the vertical groove, the stool part folding device and the leg folding device are unfolded, and then the auxiliary handle is pushed to one end, far away from the vertical groove, of the horizontal groove to achieve limiting and fixing.
S3: folding the crutch chair: the auxiliary handle rotates towards one side far away from the vertical groove, after the auxiliary handle reaches the groove rail of the vertical groove, the auxiliary handle is pushed upwards to the top end of the vertical groove, at the moment, the bench folding device and the leg folding device move towards the opposite direction of the step S2 to fold the bench folding device and the leg folding device, and then the auxiliary handle is pushed to one end, far away from the vertical groove, of the horizontal groove to achieve limiting and fixing.
In the step 2, a triangular support structure formed by the two C-shaped long rods and the C-shaped short rods after being unfolded and the main crutch is used as a leg support of the whole device.
In the step 2, after the bench folding device and the leg folding device are unfolded, the included angle between the middle rod I and the middle rod II and the included angle between the two C-shaped long rods are 60 degrees, and the angular bisectors of the two included angles are positioned on the same plane.
The invention has the beneficial effects that:
(1) The folding umbrella is provided with the folding structure according to the umbrella-shaped structure, the folding umbrella is small in size after folding, is convenient for the old to use and carry, improves the space utilization rate, is simple in structure, easy to assemble and disassemble, light in weight, convenient and labor-saving in the use process, and is safe to use, and the clamping groove structure can realize final limit.
(2) The invention is mainly applied to the occasions where the old is out, and the leisure function of the additional chair is arranged outside the basic crutch function, so that the crutch is suitable for the safe walking and rest of the old; the portability and the stability of the device are improved by adopting the mode of combining the stool and the legs, and the problems of large volume, difficult carrying and inconvenient use of the common crutch are solved
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is an isometric view of the present invention after being folded.
Fig. 4 is an isometric view of the invention after opening.
Fig. 5 is a process diagram of the deployment of the present invention.
Fig. 6 shows a C-shaped groove provided in the main crutch according to the invention.
In the figure: base 1, C type quarter butt 2, shank connecting rod 3, C type quarter butt 4, connecting rod 5, bracing piece 6, bench pole connecting piece 7, side lever I8, sleeve 9, main handle 10, auxiliary handle 11, middle pole I12, bench pole 13, bench portion ring connecting piece 14, upper ring connecting piece 15, support ring connecting piece 16, lower ring connecting piece 17, locknut 18, stopper bolt 19, main crutch 20, middle pole II 21, side lever II 22.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 and 2, the invention comprises a main crutch 20, a main handle 10, an auxiliary handle 11, a sleeve 9 and a seat folding device, wherein the bottom of the main crutch 20 is sleeved and fixed with a base 1 which is contacted with the ground, and the top of the main crutch 20 is sleeved and fixed with a main handle 10 for holding; the main crutch 20 positioned below the C-shaped groove is sequentially fixed with a bench part annular connecting piece 14, an upper annular connecting piece 15 and a lower annular connecting piece 17 at intervals, a supporting annular connecting piece 16 is slidably arranged between the upper annular connecting piece 15 and the lower annular connecting piece 17, and the lower annular connecting piece 17 is used for propping against the supporting annular connecting piece 16; the main crutch 20 positioned above the stool part annular connecting piece 14 is sleeved with the sleeve 9, the stool part annular connecting piece 14 is used for propping against the sleeve 9, the upper part of the sleeve 9 is connected with the auxiliary handle 11, the joint of the auxiliary handle 11 and the sleeve 9 is provided with a bolt penetrating through the C-shaped groove, and the bolt slides along the C-shaped groove under the drive of the auxiliary handle 11.
As shown in fig. 4, one side of the main crutch 20 is hinged with a stool part folding device, the other side of the main crutch 20 is hinged with a leg part folding device, and four symmetrically distributed hinge seats are arranged at the same height at the bottom of the sleeve 9; the stool part folding device comprises a supporting rod 6, a stool rod connecting piece 7, side rods and a middle rod, wherein one hinging seat positioned at one side of the main crutch 20 is hinged with the middle rod I12, and the other hinging seat positioned at one side of the main crutch 20 is hinged with two side rods I8; the stool part annular connecting piece 14 is provided with two hinged ends which vertically correspond to the positions of the two hinged seats positioned at one side of the main crutch 20, two side rods II 22 are connected to the hinged ends which correspond to the lower parts of the hinged seats connected with the middle rod I12, a middle rod II 21 is connected to the hinged ends which correspond to the lower parts of the hinged seats connected with the two side rods I8, one ends of the two side rods I8, which are far away from the hinged seats, are respectively hinged to two sides of the middle part of the middle rod II 21, and one ends of the two side rods II 22, which are far away from the hinged seats, are respectively hinged to two sides of the middle part of the middle rod I12; the middle rod I12 and the middle rod II 21 are respectively connected with a bench part annular connecting piece 14 with a strip-shaped groove in the middle at one end far away from the hinging seat, and a bench rod 13 is connected between the two bench part annular connecting pieces 14 through bolts; the support annular connecting piece 16 is hinged with four support rods 6 at the position of the other side of the main crutch 20, and one ends of the two side rods I8 and the two side rods II 22, which are far away from the hinged seat, are respectively hinged with one ends of the four support rods 6, which are far away from the support annular connecting piece 16.
As shown in fig. 4, the leg folding device comprises a connecting rod 5, a C-shaped long rod 4, a C-shaped short rod 2 and a leg connecting rod 3, wherein two hinging seats positioned at the other side of a main crutch 20 are hinged with the connecting rod 5, an upper annular connecting piece 15 is hinged with two C-shaped long rods 4, two C-shaped long rods 4 are positioned at the other side of the main crutch 20, one ends of the connecting rods 5, far away from the hinging seats, are respectively hinged to the middle parts of the two C-shaped long rods 4, one ends of the two C-shaped long rods 4, far away from the upper annular connecting piece 15, are respectively hinged with the C-shaped short rod 2, and leg connecting rods 3 are respectively hinged between each C-shaped short rod 2 and a lower annular connecting piece 17 through a check nut 18 and a stopper bolt 19.
As shown in fig. 6, the upper part of the main crutch 20 is provided with a C-shaped groove penetrating front and back, the C-shaped groove mainly comprises a vertical groove and horizontal grooves positioned at the upper end and the lower end of the vertical groove, and the limit fixation of the sleeve 9 is realized when a bolt positioned in the C-shaped groove slides to the end part of one side, far away from the vertical groove, of the upper horizontal groove and the lower horizontal groove under the drive of the auxiliary handle 11.
Examples:
(1) The opening process of the crutch chair device is shown in figure 5
When the crutch is opened, the main crutch 20 is vertically placed, the main handle 10 is tightly held by one hand, the auxiliary handle 11 is turned towards the right side by a certain angle, the auxiliary handle 11 is turned to the groove rail of the vertical groove, then is vertically pushed down to the bottom of the groove rail, the handle 11 is rotated towards the left side, the expansion of the stool folding device and the leg folding device shown in fig. 4 can be realized by limiting, and finally, the crutch chair is placed on a smoother ground for use.
(2) Folding process of crutch chair device
When the folding stool is folded, the main crutch 20 is vertically placed, the main handle 10 is tightly held by one hand, the auxiliary handle 11 is turned to the right side by a certain angle, the auxiliary handle 11 is turned to the groove rail of the vertical groove, then is vertically pushed upwards to the top of the groove rail, the handle 11 is rotated to the left side, and the folding of the stool folding device and the leg folding device as shown in fig. 3 can be realized by limiting.
The foregoing detailed description is provided to illustrate the present invention and not to limit the invention, and any modifications and changes made to the present invention within the spirit of the present invention and the scope of the appended claims fall within the scope of the present invention.
Claims (8)
1. The portable crutch chair device is characterized by comprising a main crutch (20), a main handle (10), an auxiliary handle (11), a sleeve (9) and a seat folding device, wherein a base (1) which is in contact with the ground is fixedly sleeved at the bottom of the main crutch (20), the main handle (10) which is used for holding is fixedly sleeved at the top of the main crutch (20), a C-shaped groove which penetrates through the upper part of the main crutch (20) front and back is formed, and the C-shaped groove mainly comprises a vertical groove and horizontal grooves which are positioned at the upper end and the lower end of the vertical groove; the main crutch (20) positioned below the C-shaped groove is sequentially fixed with a bench part annular connecting piece (14), an upper annular connecting piece (15) and a lower annular connecting piece (17) at intervals, a supporting annular connecting piece (16) is slidably arranged between the upper annular connecting piece (15) and the lower annular connecting piece (17), and the lower annular connecting piece (17) is used for propping against the supporting annular connecting piece (16); the main crutch (20) positioned above the stool part annular connecting piece (14) is sleeved with the sleeve (9), the stool part annular connecting piece (14) is used for propping against the sleeve (9), the upper part of the sleeve (9) is connected with the auxiliary handle (11), the joint of the auxiliary handle (11) and the sleeve (9) is provided with a bolt penetrating through the C-shaped groove, and the bolt slides along the C-shaped groove under the drive of the auxiliary handle (11);
the seat folding device comprises a stool folding device and leg folding devices, one side of the main crutch (20) is hinged with the stool folding device, the other side of the main crutch (20) is hinged with the leg folding device, and four symmetrically distributed hinge seats are arranged at the same height position at the bottom of the sleeve (9);
the stool part folding device comprises a supporting rod (6), a stool rod connecting piece (7), side rods and a middle rod, wherein one hinging seat positioned at one side of a main crutch (20) is hinged with the middle rod I (12), and the other hinging seat positioned at one side of the main crutch (20) is hinged with two side rods I (8); the stool part annular connecting piece (14) is provided with two hinged ends which correspond to the two hinged seat positions on one side of the main crutch (20) up and down, the hinged end which corresponds to the lower part of the hinged seat connected with the middle rod I (12) is connected with two side rods II (22), the hinged end which corresponds to the lower part of the hinged seat connected with the two side rods I (8) is connected with the middle rod II (21), one ends of the two side rods I (8) far away from the hinged seat are respectively hinged to two sides of the middle part of the middle rod II (21), and one ends of the two side rods II (22) far away from the hinged seat are respectively hinged to two sides of the middle part of the middle rod I (12); the middle rod I (12) and the middle rod II (21) are respectively connected with a bench part annular connecting piece (14) with a strip-shaped groove in the middle at one end far away from the hinging seat, and a bench rod (13) is connected between the two bench part annular connecting pieces (14) through bolts; the support annular connecting piece (16) is hinged with four support rods (6) at the position on the other side of the main crutch (20), and one ends of the two side rods I (8) and the two side rods II (22) which are far away from the hinged seat are respectively hinged with one ends of the four support rods (6) which are far away from the support annular connecting piece (16);
the leg folding device comprises a connecting rod (5), C-shaped long rods (4), C-shaped short rods (2) and leg connecting rods (3), wherein the connecting rod (5) is hinged to two hinging seats on the other side of a main crutch (20), two C-shaped long rods (4) are hinged to an upper annular connecting piece (15), the two C-shaped long rods (4) are positioned on the other side of the main crutch (20), one ends of the connecting rods (5) away from the hinging seats are respectively hinged to the middle parts of the two C-shaped long rods (4), the C-shaped short rods (2) are hinged to one ends of the two C-shaped long rods (4) away from the upper annular connecting piece (15), and the leg connecting rods (3) are hinged between each C-shaped short rod (2) and a lower annular connecting piece (17);
the crank-slider mechanism composed of the middle rod, the side rods and the supporting rods (6) realizes the unfolding and folding of the stool folding device, and the double-rocker mechanism and the crank-slider mechanism composed of the connecting rods (5), the C-shaped long rods (4), the C-shaped short rods (2) and the leg connecting rods (3) realize the unfolding and folding of the leg folding device.
2. The portable crutch chair device according to claim 1, wherein the limit fixing of the sleeve (9) is realized when the bolt in the C-shaped groove is driven by the auxiliary handle (11) to slide to the end of one side of the upper and lower horizontal grooves far away from the vertical groove.
3. The portable crutch chair device according to claim 1, characterized in that the bolts provided at both ends of the bench rod (13) enable the adjustment of the distance between the two bench ring-shaped connectors (14) by sliding along the strip-shaped grooves of the bench ring-shaped connectors (14).
4. The portable crutch chair device according to claim 1, wherein the surface of the triangular area enclosed by the stool rod (13) and the middle rod after being unfolded in the stool part folding device is covered with a carbon fiber board as a stool surface.
5. The portable crutch chair device according to claim 1, characterized in that the bench part annular connector (14), the upper annular connector (15), the support annular connector (16), the lower annular connector (17) and the bench rod connector (7) are made of aluminum materials; the main handle (10), the auxiliary handle (11) and the sleeve (9) adopt photo-curing resin as preparation materials; the bottom of the base (1) is provided with a sucker.
6. The method for using the portable crutch chair according to any one of claims 1 to 5, comprising the steps of:
s1: the crutch chair is in a furled state initially, and a secondary handle (11) of the sleeve (9) is limited at the horizontal groove position at the upper end of the C-shaped groove;
s2: unfolding the crutch chair: the auxiliary handle (11) rotates towards one side close to the vertical groove, and after reaching the groove rail of the vertical groove, the auxiliary handle (11) is pushed down to the bottom end of the vertical groove; in the process of driving the sleeve (9) to move downwards by the auxiliary handle (11), driving the middle rod I (12) and the side rod I (8) hinged with the sleeve to move downwards, expanding the middle rod I (12) and the side rod I (8) from a vertical state to a horizontal state at the moment, respectively driving the middle rod II (21) and the side rod II (22) to expand from the vertical state to the horizontal state by the downward movement of the middle rod I (12) and the side rod I (8), driving the supporting annular connecting piece (16) hinged with the two supporting rods (6) to move downwards, and supporting the expanded stool part folding device by the two supporting rods (6);
in the process that the auxiliary handle (11) drives the sleeve (9) to move downwards, the connecting rod (5) hinged with the sleeve is driven to rotate towards the other side far away from the main crutch (20), so that the C-shaped long rod (4) and the C-shaped short rod (2) are driven to be unfolded towards the other side far away from the main crutch (20), the C-shaped long rod (4) and the C-shaped short rod (2) are unfolded to serve as leg support rods of the crutch chair, and the bottoms of the leg support rods are contacted with the ground; the C-shaped long rod (4) and the C-shaped short rod (2) are unfolded and simultaneously drive the leg connecting rod (3) to rotate towards one side close to the base (1) and are used for supporting the leg supporting rod;
the auxiliary handle (11) is pushed down to the bottom end of the vertical groove, the stool part folding device and the leg folding device are unfolded, and then the auxiliary handle (11) is pushed to one end, far away from the vertical groove, of the horizontal groove to achieve limiting and fixing;
s3: folding the crutch chair: the auxiliary handle (11) rotates towards one side far away from the vertical groove, after the auxiliary handle (11) reaches the groove rail of the vertical groove, the auxiliary handle (11) is pushed upwards to the top end of the vertical groove, at the moment, the stool part folding device and the leg folding device move towards the opposite direction of the step S2 to fold the stool part folding device and the leg folding device, and then the auxiliary handle (11) is pushed to one end, far away from the vertical groove, of the horizontal groove to achieve limiting fixation.
7. The method according to claim 6, wherein in the step 2, the triangular support structure formed by the two C-shaped long rods (4) and the C-shaped short rods (2) and the main crutch (20) after being unfolded is used as the leg support of the whole device.
8. The method according to claim 6, wherein in the step 2, after the bench folding device and the leg folding device are unfolded, the included angle between the middle rod i (12) and the middle rod ii (21) and the included angle between the two C-shaped long rods (4) are both 60 °, and the angular bisectors of the two included angles are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425433.4A CN110250677B (en) | 2019-05-21 | 2019-05-21 | Portable crutch chair device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425433.4A CN110250677B (en) | 2019-05-21 | 2019-05-21 | Portable crutch chair device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110250677A CN110250677A (en) | 2019-09-20 |
| CN110250677B true CN110250677B (en) | 2023-08-04 |
Family
ID=67915028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910425433.4A Active CN110250677B (en) | 2019-05-21 | 2019-05-21 | Portable crutch chair device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110250677B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120367A (en) * | 2020-10-09 | 2020-12-25 | 李伟 | Portable seat crutch with backrest |
| ES2932556A1 (en) * | 2022-07-05 | 2023-01-20 | Cortes Jose Antonio Gonzalez | Mechanism and procedure of support element to help walk transformable into a seat (Machine-translation by Google Translate, not legally binding) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2865290A1 (en) * | 2013-10-23 | 2015-04-29 | Step2Gold Co., Ltd | Chair-convertible walking stick |
| CN107296345A (en) * | 2017-08-20 | 2017-10-27 | 周建华 | A kind of crutch with bench function |
| CN210747658U (en) * | 2019-05-21 | 2020-06-16 | 宁波大学 | Portable walking stick chair device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9414655B2 (en) * | 2012-08-01 | 2016-08-16 | Step2Gold Co., Ltd. | Walking stick chair |
| TW201408278A (en) * | 2012-08-29 | 2014-03-01 | Zhi-Ting Bao | Crutch chair |
-
2019
- 2019-05-21 CN CN201910425433.4A patent/CN110250677B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2865290A1 (en) * | 2013-10-23 | 2015-04-29 | Step2Gold Co., Ltd | Chair-convertible walking stick |
| CN107296345A (en) * | 2017-08-20 | 2017-10-27 | 周建华 | A kind of crutch with bench function |
| CN210747658U (en) * | 2019-05-21 | 2020-06-16 | 宁波大学 | Portable walking stick chair device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110250677A (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4489661A (en) | Foldable tables and the like | |
| US7226125B2 (en) | Convertible bench table with magnetic locks | |
| TWI520695B (en) | A folding chair with a locking structure | |
| CN110250677B (en) | Portable crutch chair device and method | |
| CN107939026B (en) | Telescopic folding portable mobile operation platform | |
| CN103040243A (en) | Foldable platform mechanism | |
| TW201515605A (en) | Foldable chair | |
| CN103829570B (en) | Folding table | |
| CN210747658U (en) | Portable walking stick chair device | |
| US10258144B2 (en) | Portable picnic table | |
| US4711282A (en) | Portable and collapsible stair | |
| CN104873021A (en) | Folding chair | |
| CN105815961B (en) | Foldable bedstead | |
| US20130119739A1 (en) | Foldable Chair | |
| CN213154465U (en) | Take trip of walking stick function to conveniently sit bench | |
| CN213218827U (en) | Walking stick with folding stool | |
| CN201911549U (en) | Folding table | |
| CN210076913U (en) | Fully-folding dining table capable of changing different table tops and rotating table top | |
| CN203493055U (en) | Folding table | |
| CN218008902U (en) | Airport chair convenient to remove | |
| US20240108144A1 (en) | Collapsible step stool | |
| CN213154467U (en) | Multifunctional walking stick | |
| CN204812878U (en) | Chair of folding up frame structure | |
| CN220735026U (en) | Folding type supporting decoration table | |
| CN215076900U (en) | Folding lying chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |