Walking cane chair

Abstract

The present invention discloses a walking stick chair, which comprises a support rod, a connecting device, a first support foot, a second support foot, a first connecting rod, a second connecting rod, a seat and a folding mechanism; the connecting device is slidably arranged at the upper end of the support rod; the first support foot and the second support foot are respectively pivotally connected to the connecting device; one end of the first connecting rod is pivotally connected to the lower end of the support rod, and the other end is pivotally connected to the first support foot; one end of the second connecting rod is pivotally connected to the lower end of the support rod, and the other end is pivotally connected to the second support foot; one end of the seat is pivotally connected to the connecting device, and the folding mechanism is connected between the support rod and the seat. The walking stick chair of the present invention can be opened or folded, with simple operation, convenient use and carrying.

Description

Technical Field

[0001] The invention relates to a crutch, in particular to a crutch chair which can be opened or folded, is easy to operate, and is convenient to use and carry. Background Art

[0002] Existing crutches generally have only one support rod, which can only replace one of the user's limbs to support the ground when used. People with limited mobility can use crutches to walk, but when they stop to rest, they do not need to use crutches, but need a seat to sit on. Traditional crutches have a single function, and for these people with limited mobility, it is impossible to carry both crutches and a chair when traveling, thus failing to meet the needs of users. Summary of the Invention

[0003] The object of the present invention is to provide a crutch chair which can be opened or folded, is easy to operate, and is convenient to use and carry.

[0004] In order to achieve the above-mentioned purpose, the crutch chair provided by the present invention includes a support rod, a connecting device, a first supporting leg, a second supporting leg, a first connecting rod, a second connecting rod, a seat and a folding mechanism; the connecting device is slidably arranged at the upper end of the support rod; the first supporting leg and the second supporting leg are respectively pivoted to the connecting device; one end of the first connecting rod is pivoted to the lower end of the support rod, and the other end is pivoted to the first supporting leg; one end of the second connecting rod is pivoted to the lower end of the support rod, and the other end is pivoted to the second supporting leg; one end of the seat is pivoted to the connecting device, and the folding mechanism is connected between the support rod and the seat.

[0005] Compared with the prior art, the present invention provides a connecting device slidably disposed on the support rod, and pivotally connects the first and second supporting legs to the connecting device. The first supporting leg is connected to the support rod by a first connecting rod, and the second supporting leg is connected to the support rod by a second connecting rod, so that a triangular cone-shaped support frame is formed between the support rod, the first supporting leg, and the second supporting leg, thereby achieving the purpose of supporting the crutch chair. The folding mechanism is used to connect the seat, and the seat is pivotally connected to the connecting device, so that the seat can be supported on the support rod, achieving the purpose of providing a seat for the user. The connecting device, the first supporting leg, the second supporting leg, the first connecting rod, the second connecting rod, the seat, and the folding mechanism are linked. Therefore, the entire crutch chair can be folded or unfolded by only driving the connecting device, which is very simple to operate. Moreover, when unfolded, it can be used as a seat for sitting, and when folded, it can be used as a crutch, which is very convenient to use. Moreover, the folded seat is very small and easy to carry.

[0006] Preferably, fixing blocks are pivotally connected to both the first link and the second link. The fixing block on the first link is fixedly arranged on the first support leg, and the fixing block on the second link is fixedly arranged on the second support leg.

[0007] Positioning grooves for accommodating the corresponding fixing blocks are provided on both the first support leg and the second support leg. U-shaped grooves are provided on the fixing block on the first link and the fixing block on the second link. In this way, when the first support leg and the second support leg are folded, the first connecting rod and the second connecting rod can be respectively accommodated in the U-shaped grooves, reducing the volume after folding.

[0008] Preferably, a limiting rope is connected between the first support leg and the second support leg. Setting the limiting rope can prevent the first support leg and the second support leg from opening excessively and ensure stable support.

[0009] Preferably, the folding mechanism includes a connecting rod. One end of the connecting rod is pivotally connected to the support rod, and the other end is movably connected to the seat.

[0010] Specifically, the connecting rod and the seat are movably connected by a universal joint. Connecting the connecting rod and the seat with the universal joint can ensure that the connecting rod and the seat can be folded smoothly, preventing mechanical jamming due to interference between the two.

[0011] Preferably, a fixing sleeve is fixedly provided on the support rod. The first link, the second link and the folding mechanism are all connected to the fixing sleeve.

[0012] Preferably, the seat includes a main board and two side boards. The two side boards are respectively pivotally connected to both sides of the main board. The folding mechanism is respectively connected to the two side boards to drive the side boards to fold when folding. In this way, the seat can also be folded itself when folding along with the folding mechanism, further reducing the volume after folding.

[0013] Preferably, a connection locking device is provided between the connection device and the support rod to fix the connection device relative to the support rod when locked, or to enable the connection device to slide relative to the support rod when unlocked.

[0014] Preferably, the connection and locking device comprises a first base, a second base, and an elastic member. The first and second bases are slidably coupled to the support rod, and the elastic member is disposed between the first and second bases. The first base has a release portion, and the second base has a locking portion that can be locked with the support rod. When the first base is driven to slide, the first base first unlocks the locking portion from the support rod via the release portion, and then drives the second base to slide. By providing the release portion on the first base, the locking portion on the second base, and the elastic member between the first and second bases, when the first base moves away from the second base, the release portion on the first base releases the locking portion on the second base. After the release is complete, the elastic force of the elastic member drives the second base to slide, thereby achieving the purpose of first unlocking and then folding the crutch chair. The structure is simple, requiring only the first base to be operated, making operation convenient and quick.

[0015] Specifically, the middle portion of the locking portion is pivotally connected to the second base, and a hook is provided at the front end, and a pressing portion is provided at the rear end. The release portion slides and contacts between the middle portion of the locking portion and the pressing portion. This allows the hook to hook onto the locking portion during locking, achieving locking; and the pressing portion to engage the release portion during release, achieving unlocking. Therefore, unlocking can be achieved simply by sliding the first base, making operation very simple and convenient.

[0016] A reset member is provided between the locking portion and the second seat body to drive the locking portion to reset. The locking portion can be automatically locked with the support rod through the reset member.

[0017] Specifically, the elastic member is a compression spring, and the compression spring is compressed when the first seat slides in a direction away from the second seat.

[0018] Specifically, sleeves are provided on both sides of the first base, and ears are provided on both sides of the upper end of the second base. One end of the compression spring presses against the ears, and the other end presses against the inner bottom of the sleeve. By embedding the compression spring within the sleeve, external influences can be prevented, thereby ensuring the stability of the crutch chair when it is opened or folded.

[0019] Specifically, a buckle portion is provided on the first seat body, and a locking portion is provided on the bottom surface of the seat. When the seat is folded, the locking portion and the buckle portion are locked. By providing the locking portion and the buckle portion, the crutch chair can be locked in the folded state after folding, preventing accidental opening and ensuring the stability of the folded state. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a three-dimensional view of the walking stick chair of the present invention.

[0021] Figure 2 It is a side view of the walking stick chair of the present invention.

[0022] Figure 3 It is a left view of the walking stick chair of the present invention.

[0023] Figure 4 It is a bottom view of the walking stick chair of the present invention.

[0024] Figure 5 It is a three-dimensional view of the connection locking device of the walking stick chair of the present invention when locked.

[0025] Figure 6 It is an exploded view of the connection locking device of the walking stick chair of the present invention.

[0026] Figure 7 It is a state diagram of the connection locking device of the walking stick chair of the present invention when unlocked.

[0027] Figure 8 It is a sectional view of the connection locking device of the walking stick chair of the present invention along the axial direction of the support rod.

[0028] Figure 9 It is another sectional view of the connection locking device of the walking stick chair of the present invention along the axial direction of the support rod.

[0029] Figure 10 It is a state diagram of the connection locking device of the walking stick chair of the present invention after unlocking.

[0030] Figure 11 It is a semi-folded state diagram of each rod when the walking stick chair of the present invention is folded.

[0031] Figure 12 It is a state diagram of the walking stick chair of the present invention after being folded. Detailed implementation mode

[0032] To describe in detail the technical content, structural features, and achieved effects of the present invention, the following will be described in detail in conjunction with the implementation modes and with reference to the accompanying drawings.

[0033] As Figures 1 to 4As shown in the figure, the walking stick chair 100 of the present invention includes a support rod 1, a connecting device 2, a first support foot 3, a second support foot 4, a first connecting rod 5, a second connecting rod 6, a seat 7 and a folding mechanism 8. The connecting device 2 is slidably disposed at the upper end of the support rod 1; the first support foot 3 and the second support foot 4 are respectively pivotally connected to the connecting device 2. One end of the first connecting rod 5 is pivotally connected to the lower end of the support rod 1, and the other end is pivotally connected to the first support foot 3. One end of the second connecting rod 6 is pivotally connected to the lower end of the support rod 1, and the other end is pivotally connected to the second support foot 4. The first connecting rod 5 and the second connecting rod 6 are arranged in a V shape with each other. A limiting rope 9 is connected between the first support foot 3 and the second support foot 4. The arrangement of the limiting rope 9 can prevent the first support foot 3 and the second support foot 4 from opening excessively, ensuring stable support. One end of the seat 7 is pivotally connected to the connecting device 2, and the pivot point is a. The folding mechanism 8 is connected between the support rod 1 and the seat 7. The support rod 1, the first support foot 3 and the second support foot 4 are not in the same plane and form a triangular pyramid structure.

[0034] Please refer to Figure 1 , Figure 3 and Figure 4 , specifically, as follows: Fixed blocks 10 are pivotally connected to one end of both the first connecting rod 5 and the second connecting rod 6. The fixed block 10 has a U-shaped groove 101. Positioning grooves 31 and 41 are provided on the inner sides of the first support foot 3 and the second support foot 4. The fixed block 10 on the first connecting rod 5 is fixedly disposed in the positioning groove 31 of the first support foot 3, and the fixed block 10 on the second connecting rod 6 is fixedly disposed in the positioning groove 41 of the second support foot 4. When folding, the first connecting rod 5 is received in the U-shaped groove 101 of the fixed block 10 connected to itself, and the second connecting rod 6 is received in the U-shaped groove 101 of the fixed block 10 connected to itself. In this way, when the first support foot 3 and the second support foot 4 are folded, the first connecting rod 5 and the second connecting rod 6 can be respectively received in the U-shaped groove, reducing the volume after folding.

[0035] A fixed sleeve 11 is fixedly provided on the support rod 1. Two groups of first pivot ears 11a are provided at the lower end of the fixed sleeve 11. The lower end of the first connecting rod 5 is pivotally connected to one group of first pivot ears 11a, and the lower end of the second connecting rod 6 is pivotally connected to the other group of first pivot ears 11a.

[0036] Please refer to again Figure 4, the seat 7 includes a main board 71 and two side boards 72. The two side boards 72 are respectively pivotally connected to both sides of the main board 71. The folding mechanism 8 is respectively connected to the two side boards 72 to drive the side boards 72 to fold when folding. This can enable the seat 7 to fold itself when folding with the folding mechanism 8, further reducing the volume after folding. Specifically, the folding mechanism 8 is connected to the fixed sleeve 11. The folding mechanism 8 includes a pair of connecting rods 81. Two sets of second pivot ears 11b are provided in the middle of the fixed sleeve 11. One end of one of the connecting rods 81 is pivotally connected to one of the second pivot ears 11b, and the other end is movably connected to the bottom surface of one side board 72 of the seat 7 through a universal joint 82. One end of the other connecting rod 81 is pivotally connected to the other second pivot ear 11b, and the other end is movably connected to the bottom surface of the other side board 72 of the seat 7 through another universal joint 82. The two connecting rods 81 form a V-shaped structure. Using the universal joint 82 to connect the connecting rod 81 and the seat 7 can ensure that the connecting rod 81 and the seat 7 can be folded smoothly, preventing mechanical jamming due to interference between the two.

[0037] Again, Figures 2 to 4 As shown, a connection locking device 110 is provided between the connection device 2 and the support rod 1 to fix the connection device 2 relative to the support rod 1 when locking, or to enable the connection device 2 to slide relative to the support rod 1 when unlocking. The connection locking device 110 of the present invention is provided on the connection device 2 and locks or unlocks with the fixed sleeve 11 on the support rod 1. Specifically,

[0038] Such as Figures 5 to 10As shown, the connection locking device 110 includes a first seat body 111, a second seat body 112 and an elastic member 113. The first support leg 3 and the second support leg 4 are pivotally connected to the second seat body 112. The first seat body 111 and the second seat body 112 are slidably sleeved on the support rod 1. The elastic member 113 is disposed between the first seat body 111 and the second seat body 112. The end of the main board 71 is pivotally connected to the middle of the first seat body 111 through a pivot point a. The lower end of the first seat body 111 has a unlocking portion 111a, and a locking portion 1121 that can be locked with the support rod 1 is provided on the second seat body 112. When driving the first seat body 111 to slide, the first seat body 111 can selectively drive the locking portion 1121 to unlock from the support rod 1 through the unlocking portion 111a, and then drive the second seat body 112 to slide. By providing the unlocking portion 111a on the first seat body 111, the locking portion 1121 on the second seat body 112, and the elastic member 113 between the first seat body 111 and the second seat body 112, when the first seat body 111 moves away from the second seat body 112, the unlocking portion 111a on the first seat body 111 can unlock the locking portion 1121 on the second seat body 112. After the unlocking is completed, the second seat body 112 is driven to slide under the elastic force of the elastic member 113, so as to achieve the purpose of first unlocking and then folding the walking stick chair 100. The structure is simple, and only the first seat body 111 needs to be operated, which is convenient and fast.

[0039] Please refer to again Figures 5 to 8, specifically, the middle part of the locking part 1121 is pivotally connected to the second seat body 112, a hook body 1121a is provided at the front end, and a pressing part 1121b is provided at the rear end. The unlocking part 111a is a pressing block, and the unlocking part 111a slidably abuts between the middle part of the locking part 1121 and the pressing part 1121b. The pressing part 1121b is higher than the pressing surface of the unlocking part 111a, and there is a sliding inclined surface between the pressing part 1121b and the middle part of the locking part 1121. One side of the upper end of the fixing sleeve 11 is provided with a locking hole 11c. When locking, the hook body 1121a is stuck in the locking hole 11c, and the unlocking part 111a is located in the middle part of the locking part 1121. In this way, the hook body 1121a can be used to hook the locking part 1121 during locking to achieve the purpose of locking; while when unlocking, the unlocking part 111a slides along the sliding inclined surface onto the pressing part 1121b, and the unlocking part 111a is used to press the pressing part 1121b, so that the hook body 1121a leaves the locking hole 11c, thereby achieving the purpose of unlocking; therefore, only by sliding the first seat body 111 can it be unlocked, and the operation is very simple and convenient. In addition, a reset member 114 is provided between the locking part 1121 and the second seat body 112 to drive the locking part 1121 to reset. The reset member 114 is a compression spring. Through the reset member 114, the locking part 1121 can be automatically locked with the support rod 1.

[0040] Again, Figure 6 and Figure 9 As shown, the elastic member 113 of the present invention is a compression spring, and the compression spring is compressed when the first seat body 111 slides away from the second seat body 112. Specifically, sleeves 111b are provided on both sides of the first seat body 111, and ears 1122 are provided on both sides of the upper end of the second seat body 112. One end of the compression spring abuts against the ears 1122, and the other end abuts against the inner bottom of the sleeve 111b. By placing the compression spring inside the sleeve 111b, external influences can be prevented, thereby ensuring the stability of the opening or folding of the walking stick chair 100.

[0041] Please refer to Figure 4 As shown, a fastening part 21 is provided on the connecting device 2, and the fastening part 21 is located on the unlocking part 111a of the first seat body 111. A engaging part 71 is provided on the bottom surface of the seat 7, and the engaging part 71 is an engaging hook. After the seat 7 is folded, the engaging part 71 is engaged with the fastening part 21. By providing the engaging part 71 and the fastening part 21, the walking stick chair 100 can be locked in the folded state after being folded, preventing accidental opening and ensuring the stability of folding.

[0042] Combined with the above and Figure 2 、Figure 11 and Figure 12 , the folding principle of the walking stick chair 100 of the present invention will be described in detail as follows:

[0043] During folding, the first seat body 111 is driven away from the second seat body 112, so that the first seat body 111 slides upward along the support rod 1 and compresses the elastic member 113. At the beginning of the sliding, the second seat body 112 does not move with the first seat body 111. The first seat body 111 first drives the unlocking portion 111a to slide, so that the unlocking portion 111a slides along the middle of the locking portion 1121 to the pressing portion 1121b, and then the locking portion 1121 compresses the reset member 114 and rotates. The hook body 1121a of the locking portion 1121 disengages from the locking hole 11c. At this time, due to the increased elastic force of the compressed elastic member 113, it is sufficient to drive the second seat body 112 to slide upward, and then drive the locking portion 1121 away from the locking hole 11c. At this time, the connection locking device 110 can unlock the entire walking stick chair 100. When the first seat body 111 is continuously driven to slide upward, the end of the main board 71 is driven by the first seat body 111 to move upward. At the same time, the first support foot 3, the second support foot 4, the first link 5 and the second link 6 are driven to move. At this time, the first support foot 3, the second support foot 4, the first link 5 and the second link 6 all move closer to the support rod 1 and fold. At the same time, the two connecting rods 81 and the seat 7 also move closer to the support rod 1 and fold, and the two side plates 72 are folded at a 90-degree angle relative to the main board 71. Finally, under the restoring force of the elastic member 113, the first seat body 111 and the second seat body 112 maintain a certain distance, so that the unlocking portion 111a returns to the middle position of the locking portion 1121; finally, the engaging portion 71 and the engaged portion 21 are engaged together, and at this time, the walking stick chair 100 can be in a completely folded state.

[0044] To unfold the crutch chair 100, the first seat 111 only needs to be moved away from the first seat body 111 again, causing the first seat body 111 to slide upward along the support rod 1 and compress the elastic member 113, thereby causing the first seat body 111 to drive the release portion 111a to move, and the locking portion 21 can be disengaged from the locking portion 71. At this time, the first seat 111 can be driven to slide downward along the support rod 1, causing the first seat body 111 to drive the second seat body 112 to move downward, thereby driving the first support leg 3, the second support leg 4, the first connecting rod 5, and the second connecting rod 6 to move, causing the first support leg 3, the second support leg 4, the first connecting rod 5, and the second connecting rod 6 to unfold relative to the support rod 1. At the same time, the first seat body 111 drives the end of the seat 7 to move, causing the seat 7 and the connecting rod 81 to unfold relative to the support rod 1, and the two side panels 72 to open relative to the main panel 71. Finally, the hook 1121a of the locking portion 1121 is engaged in the locking hole 11c, so that the crutch chair 100 is in a fully unfolded and locked state.

[0045] Compared with the prior art, the present invention provides a connecting device 2 slidingly on the support rod 1, and pivotally connects the first supporting foot 3 and the second supporting foot 4 to the connecting device 2, utilizes the first connecting rod 5 to connect the first supporting foot 3 to the support rod 1, and utilizes the second connecting rod 6 to connect the second supporting foot 4 to the support rod 1, so that a triangular cone-shaped support frame is formed between the support rod 1, the first supporting foot 3, and the second supporting foot 4, thereby achieving the purpose of supporting the crutch chair 100. The folding mechanism 8 is further utilized to connect the seat 7, and the seat 7 is pivotally connected to the connecting device 2, so that the seat 7 can be supported on the support rod 1, achieving the purpose of providing a seat for the user; and the connecting device 2, the first supporting leg 3, the second supporting leg 4, the first connecting rod 5, the second connecting rod 6, the seat 7 and the folding mechanism 8 are linked, and therefore, only the connecting device 2 needs to be driven to fold or unfold the entire crutch chair 100, and the operation is very simple; moreover, when unfolded, it can be used as a seat 7 for sitting, and when folded, it can be used as a crutch, which is very convenient to use, and the volume after folding is very small, and it is easy to carry.

[0046] The above disclosure is merely a preferred embodiment of the present invention and certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A walking stick chair, characterized in that: It includes a support rod, a connecting device, a first support foot, a second support foot, a first connecting rod, a second connecting rod, a seat and a folding mechanism; the connecting device is slidably arranged at the upper end of the support rod; the first support foot and the second support foot are respectively pivotally connected to the connecting device; one end of the first connecting rod is pivotally connected to the lower end of the support rod, and the other end is pivotally connected to the first support foot; one end of the second connecting rod is pivotally connected to the lower end of the support rod, and the other end is pivotally connected to the second support foot; one end of the seat is pivotally connected to the connecting device, and the folding mechanism is connected between the support rod and the seat; a connection locking device is provided between the connecting device and the support rod to fix the connecting device relative to the support rod when locked, or to make the connecting device slidable relative to the support rod when unlocked; the connection locking device includes a first seat body, a second seat body and an elastic member, the first seat body and the second seat body are slidably sleeved on the support rod, and the elastic member is arranged between the first seat body and the second seat body; the first seat body has an unlocking portion, and the second seat body is provided with a locking portion that can be locked with the support rod; when driving the first seat body to slide away from the second seat body, the first seat body can first drive the locking portion to unlock with the support rod through the unlocking portion, and then drive the second seat body to slide to realize the folding of the walking stick chair.

2. The walking stick chair according to claim 1, characterized in that: Fixed blocks are pivotally connected to both the first connecting rod and the second connecting rod. The fixed block on the first connecting rod is fixedly arranged on the first support foot, and the fixed block on the second connecting rod is fixedly arranged on the second support foot.

3. The walking stick chair according to claim 2, wherein: The first support foot and the second support foot are both provided with positioning grooves that can accommodate the corresponding fixed blocks. The fixed blocks on the first connecting rod and the second connecting rod are provided with U-shaped grooves.

4. The walking stick chair according to claim 1, wherein: A limiting rope is connected between the first support foot and the second support foot.

5. The walking stick chair according to claim 1, characterized in that: The folding mechanism includes a connecting rod. One end of the connecting rod is pivotally connected to the support rod, and the other end is movably connected to the seat.

6. The walking stick chair according to claim 5, wherein: The connecting rod and the seat are movably connected through a universal joint.

7. The walking stick chair according to claim 1, characterized in that: A fixed sleeve is fixedly arranged on the support rod, and the first connecting rod, the second connecting rod and the folding mechanism are all connected to the fixed sleeve.

8. The walking stick chair according to claim 1, wherein: The seat includes a main board and two side boards. The two side boards are respectively pivotally connected to both sides of the main board, and the folding mechanism is respectively connected to the two side boards to drive the side boards to fold when folding.

9. The walking stick chair according to claim 1, characterized in that: The middle part of the locking portion is pivotally connected to the second seat body, and a hook body is provided at the front end and a pressing portion is provided at the rear end. The unlocking portion slidably abuts between the middle part of the locking portion and the pressing portion.

10. The walking stick chair according to claim 9, characterized in that: A reset member is provided between the locking portion and the second seat body to drive the locking portion to reset.

11. The walking stick chair according to claim 1, characterized in that: The elastic member is a compression spring. When the first seat body slides in the direction away from the second seat body, the compression spring is compressed.

12. The walking stick chair according to claim 11, wherein: Sleeves are provided on both sides of the first seat body, and ears are provided on both sides of the upper end of the second seat body. One end of the compression spring abuts against the ears, and the other end abuts against the inner bottom of the sleeve.

13. The walking stick chair according to claim 1, characterized in that: The first body is provided with a fastening portion, and the bottom surface of the seat is provided with a clamping portion. After the seat is folded, the clamping portion is fastened to the fastening portion.

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