Quick storage walking aid for old people

Abstract

The utility model discloses a rapid storage walking aid for old people. The rapid storage walking aid comprises a base, a cushion, a backrest and a front-back turning and folding mechanism, wheels are mounted on the base; the seat cushion and the backrest are connected with the base through the front-back turning and folding mechanism, and are matched with the front-back turning and folding mechanism to switch between an unfolding state and a folding state; and in the folding state, the backrest is stacked on the seat cushion. According to the utility model, when in use, the quick-storage walking aid device is switched to an unfolded state, and when in use, the quick-storage walking aid device is switched to a folded state, and the backrest is turned forwards and stacked on the seat cushion; the rapid storage walking aid device can meet the requirements of old people for going out through the portable folding function of the rapid storage walking aid device.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices, in particular to a quick folding walking aid device for the elderly. Background Art

[0002] With the continuous improvement of the material and cultural living standards, the frequency of the elderly going out gradually increases, and the demand for wheelchairs is also increasing. The purposes of the elderly going out are diverse, which may be for traveling, seeing a doctor, or visiting relatives and friends. In many travel scenarios, the elderly need to take means of transportation such as cars and subways. When taking a car, the wheelchair cannot be placed in the trunk of the car, which affects the travel of the elderly.

[0003] Therefore, there is an urgent need for a portable folding wheelchair to meet the travel needs of the elderly. Summary of the Invention

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a quick folding walking aid device for the elderly.

[0005] To achieve the above purpose, the technical solution provided by the utility model is as follows:

[0006] A quick folding walking aid device for the elderly, comprising a base, a seat cushion, a backrest, and a front-back flip folding mechanism;

[0007] The base is installed with wheels;

[0008] The seat cushion and the backrest are both connected to the base through the front-back flip folding mechanism and cooperate with the front-back flip folding mechanism to switch between the unfolded and folded states;

[0009] In the folded state, the backrest is stacked on the seat cushion.

[0010] Furthermore, a limiting block and a clamping groove are provided at the top of the base;

[0011] The limiting block is located at one end of the top of the base, and the clamping groove is close to the other end of the top of the base;

[0012] The front-back flip folding mechanism includes a support plate, a support seat, a first support rod, a second support rod, and a third support rod;

[0013] One end of the support plate is provided with a clamping portion that is snap-fitted with the clamping groove, and the other end of the support plate is rotatably connected to the support seat;

[0014] One end of the first support rod is rotatably connected to the side surface of the support seat, the other end of the first support rod is rotatably connected to one end of the second support rod, and a receiving groove for accommodating the second support rod is provided at the other end of the first support rod;

[0015] The other end of the second support rod is provided with a groove, and arc-shaped grooves are provided on both side surfaces of the groove;

[0016] The arc-shaped groove includes a first groove parallel to the end surface of the second support rod, a second groove parallel to the side surface of the second support rod, and a transition groove for transitioning from the first groove to the second groove;

[0017] The limiting block is snapped into the arc-shaped groove. When the quick-fold walking aid is in the unfolded state, the limiting block slides in the first groove. When the quick-fold walking aid is in the folded state, the limiting block slides in the second groove;

[0018] One end of the third support rod is connected to the end of the first support rod far from the support base, and the other end of the third support rod is rotatably connected to the backrest;

[0019] The seat cushion is mounted on the support base.

[0020] Furthermore, a rotation adjustment member is provided at the connection between the third support rod and the backrest;

[0021] Square clamping grooves and adjustment grooves extending along the length direction of the backrest are provided on both sides of the backrest;

[0022] The square clamping grooves are located at the bottom ends of the adjustment grooves and communicate with the adjustment grooves;

[0023] One end of the third support rod connected to the backrest is provided with a mounting groove and a square communication hole communicating with the mounting groove;

[0024] The rotation adjustment member includes a rotation adjustment portion, a square clamping portion, and a square connection column;

[0025] The square connection column is adapted to the square communication hole of the third support rod, passes through the square communication hole of the third support rod, and both ends of the square connection column are respectively connected to the rotation adjustment portion and the square clamping portion;

[0026] The rotation adjustment portion is detachably mounted in the mounting groove of the third support rod;

[0027] The square clamping portion is adapted to the square clamping groove. When the quick-fold walking aid is in the unfolded state, the square clamping portion is inserted into the square clamping groove. When the quick-fold walking aid switches from the unfolded state to the folded state, the square clamping portion leaves the square clamping groove and moves along the adjustment groove in a direction away from the square clamping groove.

[0028] Furthermore, the rotation adjustment portion is provided with a concave portion, which is close to the end of the rotation adjustment portion far from the square clamping portion, and when the rotation adjustment portion is mounted in the mounting groove of the third support rod, the concave portion is located outside the mounting groove.

[0029] Further, the backrest is provided with armrests and a receiving groove for receiving the armrests;

[0030] The armrests are placed in the receiving groove and are rotatably connected to the backrest;

[0031] One end of the receiving groove is provided with a limiting portion for limiting the rotation angle of the armrests.

[0032] Further, a footrest and a footrest groove are provided at one end of the top of the base away from the front-back folding mechanism;

[0033] The footrest is rotatably connected to the inner side surfaces of the corresponding footrest groove.

[0034] Further, a receiving cavity is provided at one end of the top of the base close to the front-back folding mechanism.

[0035] Further, a shielding cover is provided at the opening of the receiving cavity.

[0036] Further, a light-emitting strip is provided on the side surface of the support plate.

[0037] Compared with the prior art, the principle and advantages of the present technical solution are as follows:

[0038] In the present technical solution, both the seat cushion and the backrest are connected to the base through the front-back folding mechanism, and cooperate with the front-back folding mechanism to switch between the unfolded state and the folded state. When in use, the quick-foldable walking aid is quickly switched to the unfolded state. When it needs to be placed in the trunk of a car, the quick-foldable walking aid is quickly switched to the folded state, and the backrest is turned forward and stacked on the seat cushion. The quick-foldable walking aid can meet the travel needs of the elderly through its portable folding function. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the services required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0040] Figure 1 FIG. 1 is one of the schematic diagrams of a quick-foldable walking aid for the elderly according to the present invention in the unfolded state;

[0041] Figure 2 FIG. 2 is another schematic diagram of a quick-foldable walking aid for the elderly according to the present invention in the unfolded state;

[0042] Figure 3 FIG. 3 is one of the schematic diagrams of a quick-foldable walking aid for the elderly according to the present invention in the folded state;

[0043] Figure 4 This is the second schematic diagram of a fast - folding walking aid device for the elderly of the present utility model when in a folded state;

[0044] Figure 5 This is the schematic diagram when the limit block of the base and the arc - shaped groove of the second support rod are separated in a fast - folding walking aid device for the elderly of the present utility model;

[0045] Figure 6 This is the schematic diagram when the limit block of the base of a fast - folding walking aid device for the elderly of the present utility model is snapped into the arc - shaped groove and slides in the first groove;

[0046] Figure 7 This is the separation schematic diagram of the backrest, the third support rod, and the rotation adjustment part in a fast - folding walking aid device for the elderly of the present utility model.

[0047] Reference numerals:

[0048] 1 - Base; 2 - Cushion; 3 - Backrest; 4 - Limit block; 5 - Card slot; 6 - Support plate; 7 - Support seat; 8 - First support rod; 9 - Second support rod; 10 - Third support rod; 11 - Buckle part; 12 - Accommodation groove; 13 - Groove; 14 - Arc - shaped groove; 15 - Rotation adjustment part; 16 - Square clamping groove; 17 - Adjustment groove; 18 - Installation groove; 19 - Square communication hole; 20 - Rotation adjustment part; 21 - Square clamping part; 22 - Square connecting column; 23 - Concave part; 24 - Armrest; 25 - Storage groove; 26 - Limit part; 27 - Footrest; 28 - Footrest groove; 29 - Storage cavity; 30 - Cover; 31 - Light - emitting strip. Detailed implementation manners

[0049] The present utility model will be further described below in conjunction with the detailed implementation manners:

[0050] As Figures 1 to 7 shown, a fast - folding walking aid device for the elderly described in this embodiment includes a base 1, a cushion 2, a backrest 3, and a front - and - rear flip - folding mechanism; wheels are installed on the base 1; both the cushion 2 and the backrest 3 are connected to the base 1 through the front - and - rear flip - folding mechanism and cooperate with the front - and - rear flip - folding mechanism to switch between the unfolded and folded states; when in the folded state, the backrest 3 is stacked on the cushion 2.

[0051] Specifically, in this embodiment, a limiting block 4 and a clamping groove 5 are provided on the top of the base 1; the limiting block 4 is located at one end of the top of the base 1, and the clamping groove 5 is close to the other end of the top of the base 1; the front-back folding mechanism includes a support plate 6, a support seat 7, a first support rod 8, a second support rod 9, and a third support rod 10; one end of the support plate 6 is provided with a clamping portion 11 that is snap-fitted with the clamping groove 5, and the other end of the support plate 6 is rotatably connected to the support seat 7; one end of the first support rod 8 is rotatably connected to the side surface of the support seat 7, the other end of the first support rod 8 is rotatably connected to one end of the second support rod 9, and a receiving groove 12 for accommodating the second support rod 9 is provided at the other end of the first support rod 8; a groove 13 is provided at the other end of the second support rod 9, and arc-shaped grooves 14 are provided on both side surfaces of the groove 13; the arc-shaped groove 14 includes a first groove parallel to the end surface of the second support rod 9, a second groove parallel to the side surface of the second support rod 9, and a transition groove for transitioning from the first groove to the second groove; the limiting block 4 is snapped into the arc-shaped groove 14, and when the quick-fold assistive device is in the unfolded state, the limiting block 4 slides in the first groove, and when the quick-fold assistive device is in the folded state, the limiting block 4 slides in the second groove; one end of the third support rod 10 is connected to the end of the first support rod 8 away from the support seat 7, and the other end of the third support rod 10 is rotatably connected to the backrest 3; the seat cushion 2 is installed on the support seat 7. In the above, the connection points of the first support rod 8, the second support rod 9, and the third support rod 10 are fixed by existing threaded components. When it is necessary to switch the state of the quick-fold assistive device, loosen the threaded components. After the state switching is completed, tighten the threaded components again.

[0052] Specifically, in this embodiment, a rotation adjustment member 15 is provided at the connection between the third support rod 10 and the backrest 3; square clamping grooves 16 and adjustment grooves 17 extending along the length direction of the backrest 3 are provided on both sides of the backrest 3; the square clamping grooves 16 are located at the bottom end of the adjustment grooves 17 and communicate with the adjustment grooves 17; an installation groove 18 and a square communication hole 19 communicating with the installation groove 18 are provided at one end of the third support rod 10 connected to the backrest 3; the rotation adjustment member 15 includes a rotation adjustment portion 20, a square clamping portion 21, and a square connection column 22;

[0053] The square connecting column 22 is adapted to the square communication hole 19 of the third support rod 10, passes through the square communication hole 19 of the third support rod 10, and both ends of the square connecting column 22 are respectively connected to the rotation adjustment part 20 and the square clamping part 21; the rotation adjustment part 20 is detachably installed in the installation groove 18 of the third support rod 10; the square clamping part 21 is adapted to the square clamping groove 16. When the quick-fold walking aid is in the unfolded state, the square clamping part 21 is inserted into the square clamping groove 16. When the quick-fold walking aid switches from the unfolded state to the folded state, the square clamping part 21 leaves the square clamping groove 16 and moves along the adjustment groove 17 in a direction away from the square clamping groove 16. The rotation adjustment part 20 is provided with a concave part 23, which is close to one end of the rotation adjustment part 20 away from the square clamping part 21, and when the rotation adjustment part 20 is installed in the installation groove 18 of the third support rod 10, the concave part 23 is arranged outside the installation groove 18.

[0054] Specifically, in this embodiment, the backrest 3 is provided with an armrest 24 and a storage groove 25 for storing the armrest 24; the armrest 24 is placed in the storage groove 25 and is rotatably connected to the backrest 3; one end of the storage groove 25 is provided with a limiting part 26 for limiting the rotation angle of the armrest 24. At the top of the base 1, away from one end of the front-back folding mechanism, there is a footrest 27 and a footrest groove 28; the footrest 27 is rotatably connected to the inner sides of the corresponding footrest groove 28. At the top of the base 1, close to one end of the front-back folding mechanism, there is a storage cavity 29, which can be used to place items such as umbrellas. At the opening of the storage cavity 29, there is a shielding cover 30, which can prevent external dust from entering the storage cavity 29. The side surface of the support plate 6 is provided with a light-emitting strip 31, which can be used for lighting at night.

[0055] The working principle of this embodiment is as follows:

[0056] When the quick-fold walking aid device needs to be switched to the unfolded state, move the second support rod 9 (out of the receiving groove 12 of the first support rod 8). After the limiting block 4 at the top of the base 1 slides into the first groove, the end face of the second support rod 9 fits against the top of the base 1. The buckle portion 11 of the support plate 6 is buckled in the card slot 5, so that the front-back folding mechanism is unfolded. Then, push the backrest 3, so that the square positioning portion 21 of the rotation adjustment member 15 moves along the adjustment groove 17 of the backrest 3. When the square positioning portion 21 of the rotation adjustment member 15 moves to one end of the adjustment groove 17 and faces the square positioning slot 16, rotate the backrest 3 until the angle between the backrest 3 and the seat cushion 2 is slightly greater than ninety degrees. Then, push the rotation adjustment portion 20 so that the rotation adjustment portion 20 is inserted into the installation groove 18 of the third support rod 10. At the same time, the square positioning portion 21 is also inserted into the square positioning slot 16. With the cooperation of the square positioning portion 21 and the square positioning slot 16, and the cooperation of the square connecting column 22 and the square communication hole 19 of the third support rod 10, the angle between the backrest 3 and the third support rod 10 is fixed (the angle between the backrest 3 and the seat cushion 2 is also fixed). Immediately afterwards, rotate the armrest 24 so that the armrest 24 is balanced with the seat cushion 2. Finally, rotate the footrest 27 outwards from the footrest groove 28 to switch to the footrest state.

[0057] When the quick-fold walking aid device needs to be switched to the folded state, move the second support rod 9 so that the limiting block 4 at the top of the base 1 slides out of the first groove and slides into the second groove through the transition groove. The second support rod 9 rotates back into the receiving groove 12 of the first support rod 8, and the side surface of the second support rod 9 close to the second groove fits against the top of the base 1. The buckle portion 11 of the support plate 6 leaves the card slot 5 at the top of the base 1, and the back surface of the support plate 6 fits against the top of the base 1, so that the front-back folding mechanism is folded up. Then, rotate the armrest 24 so that the armrest 24 returns to the storage groove 25. Then, hold the concave portion 23 of the rotation adjustment portion 20 and pull the rotation adjustment portion 20 out of the installation groove 18 of the third support rod 10, so that the square positioning portion 21 also disengages from the square positioning slot 16. Immediately afterwards, rotate the backrest 3 so that the backrest 3 is stacked on the seat cushion 2. Finally, rotate the footrest 27 into the footrest groove 28 to switch to the hidden state.

[0058] The above-described embodiments are only the preferred embodiments of the present invention, and do not limit the scope of implementation of the present invention. Therefore, any changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A quick-storage walking aid for the elderly, characterized in that: It includes a base, a seat cushion, a backrest, and a front and rear folding mechanism; The base is provided with wheels; The seat cushion and backrest are both connected to the base through a front-to-back flipping and folding mechanism, and cooperate with the front-to-back flipping and folding mechanism to switch between the unfolded and folded states; When folded, the backrest is stacked on the seat cushion.

2. The quick-storage walking aid for the elderly according to claim 1, characterized in that: A limit block and a slot are provided on the top of the base; The limit block is located at one end of the top of the base, and the card slot is close to the other end of the top of the base; The front-to-back folding mechanism comprises a support plate, a support seat, a first support rod, a second support rod, and a third support rod; One end of the support plate is provided with a buckle portion that buckles with the slot, and the other end of the support plate is rotatably connected to the support seat; One end of the first support rod is rotatably connected to the side of the support seat, the other end of the first support rod is rotatably connected to one end of the second support rod, and the other end of the first support rod is provided with a receiving groove for receiving the second support rod; The other end of the second support rod is provided with a groove, and both sides of the groove are provided with arc grooves; The arc-shaped groove includes a first groove parallel to the end surface of the second support rod, a second groove parallel to the side surface of the second support rod, and a transition groove transitioning from the first groove to the second groove; The limit block is inserted into the arc groove, and when the quick storage walking aid is in the unfolded state, the limit block is slidably arranged in the first groove, and when the quick storage walking aid is in the folded state, the limit block is slidably arranged in the second groove; One end of the third support rod is connected to an end of the first support rod away from the support seat, and the other end of the third support rod is rotatably connected to the backrest; The seat cushion is installed on the supporting seat.

3. The quick-storage walking aid for the elderly according to claim 2, characterized in that: A rotation adjustment member is provided at the connection between the third support rod and the backrest; Both sides of the backrest are provided with square positioning grooves and adjustment grooves extending along the length direction of the backrest; The square positioning groove is located at the bottom end of the adjusting groove and is connected to the adjusting groove; One end of the third support rod connected to the backrest is provided with a mounting groove and a square connecting hole connected to the mounting groove; The rotation adjustment member includes a rotation adjustment portion, a square clamping portion and a square connecting column; The square connecting column is adapted to the square connecting hole of the third supporting rod and passes through the square connecting hole of the third supporting rod, and the two ends of the square connecting column are respectively connected to the rotation adjustment part and the square clamping part; The rotation adjustment portion is detachably mounted in the mounting groove of the third support rod; The square clamping portion is adapted to the square clamping slot. When the quick storage walking aid device is in the unfolded state, the square clamping portion is inserted into the square clamping slot. When the quick storage walking aid device is switched from the unfolded state to the folded state, the square clamping portion leaves the square clamping slot and moves along the adjustment slot in a direction away from the square clamping slot.

4. The quick-storage walking aid for the elderly according to claim 3, characterized in that: The rotation adjustment part is provided with a recessed part, which is close to one end of the rotation adjustment part away from the square clamping part, and when the rotation adjustment part is installed in the installation groove of the third support rod, the recessed part is arranged outside the installation groove.

5. A quick-storage walking aid for the elderly according to any one of claims 1 to 4, characterized in that: The backrest is provided with an armrest and a storage slot for storing the armrest; The armrest is placed in the storage slot and is rotatably connected to the backrest; One end of the storage slot is provided with a limiting portion for limiting the rotation angle of the armrest.

6. A quick-storage walking aid for the elderly according to any one of claims 1 to 4, characterized in that: A footrest and a footrest groove are provided at one end of the top of the base away from the front and rear flipping and folding mechanism; The pedal is rotatably connected to the two inner side surfaces of the corresponding pedal groove.

7. A quick-storage walking aid for the elderly according to any one of claims 1 to 4, characterized in that: A storage cavity is provided at the top of the base near one end of the front-rear flipping and folding mechanism.

8. The quick-storage walking aid for the elderly according to claim 7, characterized in that: A shielding cover is provided at the cavity opening of the storage cavity.

9. A quick-storage walking aid for the elderly according to any one of claims 2-4, characterized in that: A light strip is arranged on the side of the support plate.

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