CN110250677A - Portable crutch chair device and method - Google Patents

Abstract

The invention discloses a kind of Portable stick chair apparatus and methods.Including it is main turn, main handle, auxiliary-handle, sleeve and seat folding device, the main bottom suit that turns is fixed with pedestal, and the main top suit that turns is fixed with main handle, main to turn top and be provided with pre-and post perforative C-shaped grooves；Master below C-shaped grooves, which turns, is successively fixed at intervals with stool portion circular connector, upper circular connector and lower circular connector, is slidably fitted with support circular connector between upper circular connector and lower circular connector；Master above stool portion circular connector, which turns, is set with sleeve, and upper cartridge is connected with auxiliary-handle, and the bolt through C-shaped grooves is equipped at auxiliary-handle and sleeve connection, and bolt slides under auxiliary-handle drive along C-shaped grooves.Main side of turning is hinged with stool portion folding device, and master turns the other side and is hinged with leg folding device.The present invention has the characteristics that small in size, structure is simple, safe and reliable, easy to use, installation maintenance is convenient and at low cost.

Description

Portable crutch chair device and method

technical field

The invention relates to a crutch chair device, in particular to a portable crutch chair device and method.

Background technique

my country is a country with a large population, and the proportion of the elderly population is also increasing year by year. The problem of aging has brought various problems to the whole society, and a series of problems associated with the socialization of the problem of old age have also attracted the attention of various industries. As the elderly grow older, due to the decline of the function of the leg bones, walking becomes a problem for the elderly. The ubiquitous problems of mobility and physical weakness have brought inconvenience to the travel of the elderly, so crutches are very useful mobility aids for the elderly. Rest space is also needed by the elderly when traveling. Some elderly people not only have to walk with difficulty on crutches, but also carry a stool with the other hand. Although there is a rest space, it brings inconvenience to the elderly and also brings There comes a certain danger.

Contents of the invention

In order to solve the problems in the background technology, the present invention provides a portable crutch chair device and method, which adds a seat function on the basis of satisfying the original functions of crutches, and is suitable for the elderly to go out.

The technical scheme that the present invention adopts is as follows:

1. A portable crutch chair device

The invention includes a main crutch, a main handle, an auxiliary handle, a sleeve and a seat folding device. The C-shaped groove that runs through the front and rear, the C-shaped groove is mainly composed of a vertical groove and horizontal grooves located at the upper and lower ends of the vertical groove; the main turn below the C-shaped groove is fixed with stool ring connectors at intervals , an upper ring connector and a lower ring connector, a support ring connector is slidably installed between the upper ring connector and the lower ring connector, and the lower ring connector is used to resist the support ring connector; it is located above the stool ring connector The main crutch set is equipped with a sleeve, and the stool ring connector is used to resist the sleeve. The upper part of the sleeve is connected with an auxiliary handle. The connection between the auxiliary handle and the sleeve is provided with a bolt that runs through a C-shaped groove. Slide along the C-shaped groove.

The seat folding device includes a stool folding device and a leg folding device. The stool folding device is hinged on one side of the main turn, and the leg folding device is hinged on the other side of the main turn. There are four seats at the same height at the bottom of the sleeve. Symmetrically distributed hinged seats; the stool folding device includes support rods, stool connecting parts, side rods and middle rods, one hinged seat on the side of the main turn is hinged with the middle rod I, and the other hinged seat on the side of the main turn Two side rods I are hinged; the stool ring connector is provided with two hinged ends corresponding to the positions of the two hinged seats on one side of the main turn, and the corresponding hinged ends below the hinged seat connected to the middle rod I are connected with There are two side rods II, and the middle rod II is connected to the corresponding hinge end below the hinge seat connected to the two side rods I. The ends of the side rod II away from the hinged seat are respectively hinged to the two sides of the middle part of the middle rod I; the ends of the middle rod I and the middle rod II away from the hinged seat are connected with a stool ring connector with a strip-shaped groove in the middle, two There are stool rods connected by bolts between the stool ring connectors; four support rods are hinged on the support ring connector at the position on the other side of the main turn, and two side rods I and two side rods II are far away from the hinge seat. One end is respectively hinged with the ends of the four support rods away from the support ring connector.

The crank slider mechanism composed of the middle rod, the side rod and the support rod realizes the unfolding and folding of the stool folding device; The block mechanism realizes the unfolding and folding of the leg folding device.

The leg folding device includes connecting rods, C-shaped long rods, C-shaped short rods and leg connecting rods. The two hinged seats on the other side of the main turn are hinged with connecting rods, and the upper ring connector is hinged with two C-shaped The two C-shaped long rods are located on the other side of the main turn. The ends of the connecting rod away from the hinge seat are respectively hinged to the middle of the two C-shaped long rods. The ends of the two C-shaped long rods away from the upper ring connector are both hinged. There are C-shaped short rods, and leg connecting rods are hinged between each C-shaped short rod and the lower annular connector.

When the bolt located in the C-shaped groove slides to the end of the upper and lower horizontal grooves on the side away from the vertical groove under the drive of the auxiliary handle, the limit fixation of the sleeve is realized.

The bolts provided at both ends of the stool rod slide along the strip grooves of the stool ring connectors to adjust the distance between the two stool ring connectors.

The surface of the triangular area surrounded by the stool pole and the middle pole in the stool folding device is covered with a foldable carbon fiber plate as the stool surface.

The stool ring connector, the upper ring connector, the support ring connector, the lower ring connector, and the stool rod connector use aluminum as the preparation material; the main handle, handle and sleeve use photocurable resin as the preparation material ; There is a suction cup at the bottom of the base for anti-slip.

2. A method of using a portable crutch chair

Include the following steps:

S1: The crutch chair is initially folded, and the auxiliary handle of the sleeve is limited to the horizontal groove at the upper end of the C-shaped groove;

S2: Unfold the crutch chair: the auxiliary handle rotates toward the side close to the vertical groove, and when it reaches the groove rail of the vertical groove, push the auxiliary handle down to the bottom of the vertical groove; the auxiliary handle drives the sleeve downward During the moving process, the middle rod I and the side rod I which are hinged with the sleeve are driven to move downward. At this time, the middle rod I and the side rod I are unfolded from the vertical state to the horizontal state, and the downward movement of the middle rod I and the side rod I Drive the middle rod II and the side rod II to expand from the vertical state to the horizontal state, the height of the hinge joint between the middle rod II and the side rod II and the stool ring remains unchanged, and the downward direction of the middle rod I and the side rod I The movement drives the supporting annular connecting piece hinged to the two supporting rods to move downward, and the two supporting rods are used to support the unfolded stool folding device;

When the auxiliary handle drives the sleeve to move downward, it drives the connecting rod hinged with the sleeve to rotate toward the other side away from the main turn, thereby driving the C-shaped long rod and C-shaped short rod to unfold toward the other side away from the main turn. After the C-shaped long rod and C-shaped short rod are deployed, they are used as the leg support rod of the crutch chair, and the bottom of the leg support rod is in contact with the ground; side swivel and used to support the leg support bar;

When the auxiliary handle is pushed down to the bottom of the vertical groove, the stool folding device and the leg folding device are unfolded, and then the auxiliary handle is pushed to the end of the horizontal groove away from the vertical groove to realize the limit fixation.

S3: Folding the crutch chair: the auxiliary handle is rotated toward the side away from the vertical groove, and after reaching the groove rail of the vertical groove, push the auxiliary handle upwards to the top of the vertical groove, at this time, the stool folding device and the legs The folding device moves in the opposite direction of step S2 to realize the folding of the stool folding device and the leg folding device, and then pushes the auxiliary handle to the end of the horizontal groove away from the vertical groove to realize the limit fixation.

In the step 2, the triangular support structure formed by the two C-shaped long rods and the C-shaped short rods and the main crutch after deployment serves as the leg support of the entire device.

In the step 2, after the stool folding device and the leg folding device are unfolded, the angle between the middle pole I and the middle pole II and the angle between the two C-shaped long poles are both 60°, and the two The angle bisectors of the included angles lie in the same plane.

Beneficial effects of the present invention:

(1) The present invention sets the present invention as a foldable structure according to the umbrella structure, and the volume after folding is small, which is convenient for the elderly to use and carry, improves the space utilization rate, and has a simple structure, easy disassembly and assembly, and the device is light and convenient during use Labor-saving, the card slot structure can realize the final limit, and it is safe to use.

(2) The present invention is mainly used in occasions where the elderly go out. Besides the basic crutch function, the leisure function of an additional chair is also provided, which is suitable for the elderly to walk and rest safely; the combination of stool legs improves the portability and safety of the device. Stability, which solves the problems of ordinary crutches that are bulky, difficult to carry, and inconvenient to use

Description of drawings

Fig. 1 is a front view of the present invention.

Figure 2 is a top view of the present invention.

Fig. 3 is a perspective view of the present invention after being folded.

Fig. 4 is an isometric view of the present invention after opening.

Fig. 5 is a process diagram of the development of the present invention.

Fig. 6 is a C-shaped groove provided on the main crank according to the present invention.

In the figure: base 1, C-shaped short rod 2, leg connecting rod 3, C-shaped long rod 4, connecting rod 5, support rod 6, stool rod connector 7, side rod I 8, sleeve 9, main handle 10, Auxiliary handle 11, middle rod I12, stool rod 13, stool ring connector 14, upper ring connector 15, support ring connector 16, lower ring connector 17, locknut 18, plug bolt 19, main crank 20 , middle pole II 21, side pole II 22.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 and 2, the present invention includes a main crutch 20, a main handle 10, an auxiliary handle 11, a sleeve 9, and a seat folding device. The top set is fixed with the main handle 10 for holding; the main crutch 20 located below the C-shaped groove is fixed with stool ring connectors 14, upper ring connectors 15 and lower ring connectors 17 at intervals, and the upper ring connectors 15 A support ring connector 16 is slidably installed between the lower ring connector 17, and the lower ring connector 17 is used to withstand the support ring connector 16; the main crutch 20 located above the stool ring connector 14 is set with a sleeve 9 The stool annular connector 14 is used to resist the sleeve 9, the upper part of the sleeve 9 is connected with a secondary handle 11, and the connection between the secondary handle 11 and the sleeve 9 is provided with a bolt that runs through a C-shaped groove, and the bolt is driven by the secondary handle 11. Slide along the C-shaped groove.

As shown in Figure 4, one side of the main crutch 20 is hinged with a stool folding device, and the other side of the main crutch 20 is hinged with a leg folding device, and four symmetrically distributed hinge seats are arranged at the same height at the bottom of the sleeve 9; The stool folding device includes a support rod 6, a stool connecting piece 7, a side rod and a middle rod. A hinged seat on one side of the main turn 20 is hinged with a middle rod I12, and another hinged seat on one side of the main turn 20 is hinged with a Two side rods I8; the stool ring connector 14 is provided with two hinged ends corresponding to the positions of the two hinged seats on one side of the main turn 20, and the hinged ends corresponding to the lower part of the hinged seat connected to the middle rod I12 are connected with There are two side rods II22, and the corresponding hinge ends below the hinged seats connected to the two side rods I8 are connected to the middle rod II21. The ends of the side rod II 22 away from the hinge seat are respectively hinged to the two sides of the middle part of the middle rod I12; the ends of the middle rod I12 and the middle rod II 21 far away from the hinge seat are connected with a stool ring connector 14 with a strip-shaped groove in the middle. There are stool rods 13 connected by bolts between the two stool ring connectors 14; the support ring connector 16 is hinged with four support rods 6 at the position on the other side of the main turn 20, two side rods I8 and two side rods One end of the rod II 22 away from the hinge seat is respectively hinged with the ends of the four support rods 6 away from the supporting ring connector 16 .

As shown in Figure 4, the leg folding device includes a connecting rod 5, a C-shaped long rod 4, a C-shaped short rod 2 and a leg connecting rod 3, and the two hinged seats on the other side of the main crutch 20 are hinged with connecting rods. 5. The upper ring connector 15 is hinged with two C-shaped long rods 4 and the two C-shaped long rods 4 are located on the other side of the main crank 20, and the ends of the connecting rod 5 away from the hinge seat are respectively hinged to the two C-shaped long rods In the middle of 4, two C-shaped long rods 4 are respectively hinged with C-shaped short rods 2 at one end away from the upper annular connector 15, and each C-shaped short rod 2 and the lower annular connector 17 are connected by a locknut 18 and a plug. Bolts 19 are all hinged with leg connecting rods 3 .

As shown in Figure 6, the upper part of the main crank 20 is provided with a C-shaped groove that runs through the front and rear. When the bolt slides to the end of the upper and lower horizontal grooves on the side away from the vertical groove under the drive of the auxiliary handle 11, the limit fixation of the sleeve 9 is realized.

Example:

(1) The opening process of the crutch chair device, the opening process is shown in Figure 5

When opening, place the main crutch 20 vertically, hold the main handle 10 tightly with one hand, and hold the auxiliary handle 11 tightly with the other hand to turn a certain angle to the right, the auxiliary handle 11 turns to the groove rail of the vertical groove, and then push down vertically , push it to the bottom of the groove rail, rotate the handle 11 towards the left, and carry out the limit to realize the unfolding of the stool folding device and the leg folding device as shown in Figure 4, and finally place the crutch chair on a relatively flat ground for use.

(2) The folding process of the crutch chair device

When putting away, put the main crutch 20 vertically, hold the main handle 10 tightly with one hand, and hold the auxiliary handle 11 tightly with the other hand to turn a certain angle to the right, the auxiliary handle 11 turns to the groove rail of the vertical groove, and then vertically Push up to the top of the groove rail, rotate the handle 11 to the left, and limit the position to realize the folding of the stool folding device and the leg folding device as shown in Figure 3 .

The above specific embodiments are used to explain the present invention, rather than to limit the present invention. Within the spirit of the present invention and the protection scope of the claims, any modification and change made to the present invention will fall into the protection scope of the present invention.

Claims (9)

1. a kind of Portable stick chair apparatus, which is characterized in that turn (20), main handle (10), auxiliary-handle (11), sleeve including master (9) and seat folding device, main (20) bottom of turning are set with the pedestal (1) being fixed with ground face contact, and main turn is set at the top of (20) It is fixed with the main handle (10) for gripping, master turns (20) top and is provided with pre-and post perforative C-shaped grooves, and C-shaped grooves are mainly by erecting Directly groove and the horizontal groove positioned at vertical groove upper and lower ends form；Master below C-shaped grooves turns (20) and is successively spaced It is fixed with stool portion circular connector (14), upper circular connector (15) and lower circular connector (17), upper circular connector (15) Support circular connector (16) is slidably fitted between lower circular connector (17), lower circular connector (17) is for resisting branch It supports circular connector (16)；Master above stool portion circular connector (14) turns (20) and is set with sleeve (9), and stool portion annular connects For resisting sleeve (9), sleeve (9) top is connected with auxiliary-handle (11) fitting (14), auxiliary-handle (11) and sleeve (9) junction Equipped with the bolt for running through C-shaped grooves, bolt is slided in the case where auxiliary-handle (11) drive along C-shaped grooves；

Seat folding device includes stool portion folding device and leg folding device, and main (20) side of turning is hinged with stool portion folding dress It sets, master turns (20) other side and is hinged with leg folding device, is located at the sustained height of sleeve (9) bottom to set and divide there are four symmetrical The hinged seat of cloth；

Stool portion folding device includes support rod (6), stool joint element for bar (7), side lever and middle bar, positioned at main one for turning (20) side Hinged seat is hinged with middle bar I (12), is hinged with two side levers I (8) positioned at main another hinged seat for turning (20) side；Stool portion ring Shape connector (14) set there are two be located at the corresponding hinged end in main two hinged seat positions for turning (20) side or more, with middle bar Corresponding hinged end is connected with two side levers II (22), the hinge being connected with two side levers I (8) below the connected hinged seat in I (12) Corresponding hinged end is connected with middle bar II (21) below joint chair, and two side levers I (8) are respectively articulated with far from one end of hinged seat into Two sides in the middle part of bar II (21), two side levers II (22) are respectively articulated with far from one end of hinged seat to two in the middle part of middle bar I (12) Side；Middle bar I (12) and middle bar II (21) are respectively connected with the intermediate stool portion annular for being provided with strip groove far from one end of hinged seat and connect Stool bar (13) have been bolted between two stool portion circular connectors (14) in fitting (14)；It supports circular connector (16) Four support rods (6), two side lever I (8) He Lianggen side levers II (22) are hinged with being located at the main position for turning (20) other side One end far from hinged seat is hinged with four support rods (6) far from one end of support circular connector (16) respectively；

Leg folding device includes connecting rod (5), c-type stock (4), c-type quarter butt (2) and leg link (3), turns (20) separately positioned at main Two hinged seats of side are hinged with connecting rod (5), and upper circular connector (15) is hinged with two c-type stocks (4) and two c-types Stock (4) is located at the main other side for turning (20), and connecting rod (5) is respectively articulated with far from one end of hinged seat into two c-type stocks (4) Portion, two c-type stocks (4) are hinged with c-type quarter butt (2) far from the one end of upper circular connector (15), every c-type quarter butt (2) Leg link (3) are hinged between lower circular connector (17).

2. a kind of Portable stick chair apparatus according to claim 1, which is characterized in that middle bar, side lever and support rod (6) The slider-crank mechanism of composition realizes unfolding and folding for stool portion folding device, connecting rod (5), c-type stock (4), c-type quarter butt (2) The double rocker mechanism and slider-crank mechanism constituted with leg link (3) realizes unfolding and folding for leg folding device.

3. a kind of Portable stick chair apparatus according to claim 1, which is characterized in that the bolt in C-shaped grooves Sleeve is realized at drive lower slider end of separate vertical groove side into upper and lower two horizontal grooves of auxiliary-handle (11) (9) limit is fixed.

4. a kind of Portable stick chair apparatus according to claim 1, which is characterized in that stool bar (13) both ends are equipped with Bolt pass through along the strip groove of stool portion circular connector (14) slide realize two stool portion circular connectors (14) between Distance is adjusted.

5. a kind of Portable stick chair apparatus according to claim 1, which is characterized in that stool in stool portion folding device Bar (13) and middle bar expansion back wall at Delta Region surface be covered with carbon fiber board as stool surface.

6. a kind of Portable stick chair apparatus according to claim 1, which is characterized in that stool portion circular connector (14), upper circular connector (15), support circular connector (16), lower circular connector (17), stool joint element for bar (7) use aluminium Material is used as and prepares material；The main handle (10), handle (11), sleeve (9) are used as using light-cured resin prepares material；It is described Pedestal (1) bottom is equipped with sucker.

7. a kind of Portable stick chair application method of any described device according to claim 1~6, which is characterized in that including with Lower step:

S1: crutch chair is initially rounding state, and the auxiliary-handle (11) of sleeve (9) is limited in the horizontal groove position of C-shaped grooves upper end Set place；

S2: expansion crutch chair: auxiliary-handle (11) is rotated towards the side close to vertical groove, will after the grooved rail for reaching vertical groove Auxiliary-handle (11) is pushed into downwards vertical groove bottom end；During auxiliary-handle (11) band moving sleeve (9) moves down, drive and sleeve Hinged middle bar I (12) and side lever I (8) moves down, at this time in bar I (12) and side lever I (8) level expanded by vertical state The moving down of state, middle bar I (12) and side lever I (8) drive respectively in bar II (21) and side lever II (22) by vertical state exhibition It opens as horizontality, the support annular for moving down drive and being hinged with two support rods (6) of middle bar I (12) and side lever I (8) Connector (16) moves down, and two support rods (6) are used to support the stool portion folding device of expansion；

During auxiliary-handle (11) band moving sleeve (9) moves down, drives and turn (20) towards far from master with the hinged connecting rod of sleeve (5) Other side rotation, to drive c-type stock (4) and c-type quarter butt (2) towards far from the main other side expansion for turning (20), c-type stock (4) and c-type quarter butt (2) expansion after as crutch chair leg support bar and leg support bar bottom with face contact；C-type stock (4) it drives leg link (3) to rotate while and c-type quarter butt (2) is unfolded towards close pedestal (1) side and is used to support leg branch Strut；

Auxiliary-handle (11) is pushed into downwards stool portion folding device and leg folding device while vertical groove bottom end and completes expansion, it Auxiliary-handle (11) is pushed into one end in horizontal groove far from vertical groove afterwards and realizes that limit is fixed；

S3: collapse crutch chair: auxiliary-handle (11) is rotated towards the side far from vertical groove, will after the grooved rail for reaching vertical groove Auxiliary-handle (11) is pushed into vertical groove top upwards, at this time stool portion folding device and the leg folding device side opposite towards step S2 To the mobile folding for realizing stool portion folding device and leg folding device, then auxiliary-handle (11) is pushed into separate in horizontal groove Realize that limit is fixed in one end of vertical groove.

8. a kind of Portable stick chair application method according to claim 7, which is characterized in that in the step 2, two Leg branch after c-type stock (4) and c-type quarter butt (2) expansion with the main triangular support configurations for turning (20) composition as whole device Support.

9. a kind of Portable stick chair application method according to claim 7, which is characterized in that in the step 2, stool portion After folding device and leg folding device complete expansion, angle, two c-type stocks between middle bar I (12) and middle bar II (21) (4) angle between is 60 °, and the angular bisector of two angles is generally aligned in the same plane.