Walking aid convenient to use

Abstract

The utility model discloses a walking aid convenient to use, which comprises two opposite vehicle bodies, the two vehicle bodies are connected through a folding support frame, the folding support frame comprises two support rods hinged in an X shape, the lower ends of the support rods are hinged with the vehicle bodies, and the upper ends of the support rods are connected with the vehicle bodies through linkage rods. The two ends of each linkage rod are hinged to the supporting rod and the vehicle body respectively, and one linkage rod is further connected with the supporting rod through a lock catch assembly. The two vehicle bodies are connected through the folding supporting frame, the lock catch block and the lock hook screw rod are matched for limiting, in the folding process, the lock catch block is rotated through the handle column to enable the lock hook part to be separated from the lock hook screw rod, then the cloth lifting handle above the cushion cloth is lifted upwards, and folding can be achieved; when the walking aid is folded and unfolded, the handles only need to be pulled towards the two sides until the lock hook parts hook the lock hook screw rods, so that the walking aid is easier and more convenient to fold and unfold.

Description

Technical Field

[0001] The utility model belongs to the technical field of walkers, and in particular relates to a walker that is easy to use. Background Art

[0002] A walker is a walking support tool that is used by the elderly with limited mobility, certain traumatic patients, hemiplegic patients, and disabled people to help them walk or exercise their limbs. People can walk slowly and easily with the help of it.

[0003] Existing walkers have some inconveniences in actual use, such as:

[0004] 1. It is inconvenient to fold the walker;

[0005] 2. It is inconvenient to adjust the handle height;

[0006] 3. It does not have a handbrake function, and the brake line is exposed, which makes it look unsightly. Utility Model Content

[0007] The present invention aims to provide a convenient walker that solves the problems mentioned in the background art. The present invention provides a convenient walker that is easy to fold and adjust the handle height, has a local handbrake function, and has a built-in brake line, and is aesthetically pleasing.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a convenient-to-use walker, comprising two oppositely arranged vehicle bodies, which are connected by a folding support frame, the folding support frame comprising two support rods hinged in an "X" shape, the lower ends of the support rods being hinged to the vehicle bodies, the upper ends of the support rods being connected to the vehicle bodies by a linkage rod, the two ends of the linkage rods being hinged to the support rods and the vehicle bodies respectively, and one of the linkage rods is further connected to the support rods by a locking assembly.

[0009] In order to increase the functionality of the walker, the upper end of the support rod is further connected to a mounting rod, a seat cushion cloth is connected between the two mounting rods, the upper ends of the two vehicle bodies are connected to backrest belts, and a cloth bag located below is also connected between the two mounting rods.

[0010] In order to make the folding and opening of the walker simpler and more convenient, the locking assembly further includes a locking block, which is hingedly connected to the linkage rod through a hinge screw, and the locking block and the linkage rod are also connected through a locking torsion spring. A locking hook portion is provided on the locking block, and a locking hook screw corresponding to the locking hook portion is connected to the support rod. A handle column is connected to the side of the locking block away from one end of the locking hook portion. A locking guide groove is also provided on the locking block, and a limiting screw corresponding to the locking guide groove is installed on the linkage rod.

[0011] In order to realize the functions of braking and handbrake respectively through only one brake handle, the structure is simpler and the operation is more convenient. Furthermore, the vehicle body includes a frame, one end of the lower frame is hinged with the front wheel, and the other end of the lower frame is installed with the rear wheel, the frame is hinged with a brake pad located on the circumferential side of the rear wheel, the end of the brake pad is provided with a fixed seat, the frame is provided with a connecting block corresponding to the fixed seat, the upper end of the frame is installed with a handle, the interior of the handle is hinged with a linkage block, and the interior of the handle is also provided with a brake handle through a first pair of locking bolts, the brake handle is hinged to the linkage block, and the brake handle is provided with a switching groove corresponding to the first pair of locking bolts, the switching groove includes an initial groove, a handbrake groove is provided on one side of the initial groove, and a brake groove is provided on the oblique lower side of the initial groove, one end of the brake line is connected with the linkage block, and the other end of the brake line passes through the connecting block and is connected to the fixed seat, and the brake line is provided with a brake spring located between the fixed seat and the connecting block.

[0012] In order to realize the linkage between the linkage block and the brake handle, and the connection between the brake line and the linkage block, further, a mounting hole is provided at one end of the linkage block, and a linkage block through hole corresponding to the mounting hole is provided on the handle. The second pair of locking bolts are locked after passing through the through hole and the mounting hole. A second linkage hole is provided in the middle position of the linkage block, and a first linkage hole corresponding to the second linkage hole is provided on the brake handle. The linkage pin is inserted into the second linkage hole and the first linkage hole. A limiting pin is connected to the end where the brake line is connected to the linkage block, and a limiting groove corresponding to the limit pin is provided on the linkage block.

[0013] In order to route the brake line from the inside of the frame, the brake line is further located inside the frame, and a line outlet hole is provided on one side of the frame located at the connecting block.

[0014] In order to adjust the handlebar height, the frame further includes a main support frame, an adjustment buckle and a travel rod, wherein the adjustment buckle is sleeved on the upper end of the main support frame, the lower end of the travel rod is inserted into the interior of the main support frame, the adjustment buckle includes an adjustment seat, a mounting groove is provided on one side of the adjustment seat, a button is hinged inside the mounting groove, and a pin is hinged at the upper end of the button. The travel rod is provided with a number of adjustment holes arranged at equal intervals, and the lower end of the button is also connected to the adjustment seat by a spring.

[0015] In order to realize the hinged connection between the button and the adjustment seat, further, a second through hole is provided on the button, and a first through hole corresponding to the second through hole is provided on the adjustment seat, and the locking screws are inserted into the second through hole and the first through hole.

[0016] In order to realize the hinged connection between the latch and the button, the rotational movement of the upper end of the button can drive the horizontal movement of the latch. Furthermore, a guide hole corresponding to the latch is provided on the adjustment seat, an axle pin is connected to one end of the latch connected to the button, and a pin hole corresponding to the axle pin is provided on the button.

[0017] In order to achieve hinged connection with the linkage rod, a connecting seat is further provided on the side of the adjustment seat.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The two bodies of the utility model are connected by a folding support frame, and the locking block and the locking hook screw cooperate to limit the position. When folding, you only need to rotate the locking block through the handle column to separate the locking hook part from the locking hook screw, and then lift the cloth handle above the seat cushion cloth to achieve folding. When opening, you only need to pull the handle to both sides until the locking hook part hooks the locking hook screw, making the folding and opening of the walker simpler and more convenient.

[0020] 2. The utility model provides a cushion and a backrest, so that the user can sit on the cushion to rest, and the cloth bag can be used to place items, which increases the functionality of the walker;

[0021] 3. The utility model provides a switching slot including an initial slot, a brake slot, and a handbrake slot on the brake handle. The switching slot cooperates with the first pair of locking bolts to realize the three-state limit. Then, the brake handle cooperates with the linkage block to drive the brake cable to move, thereby driving the brake pad to move. Only one brake handle can realize the braking and handbrake functions respectively, which is simpler in structure and more convenient in operation.

[0022] 4. The utility model sets the linkage block inside the handle, so that the brake cable is routed from the inside of the frame. Compared with the external routing, it is more beautiful and has a longer service life of the brake cable;

[0023] 5. The utility model can separate the latch and the adjustment hole by pressing a button. After the stroke rod is adjusted to the right position, the button is released. Under the action of the spring, the latch can be automatically inserted into the adjustment hole to achieve position limiting. Compared with the pull-button structure, the operation is more labor-saving and convenient, and more ergonomic. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a structural diagram of the folding support frame of the utility model;

[0026] Figure 3 This is a schematic structural diagram of the connection between the lock assembly and the linkage rod of the utility model;

[0027] Figure 4 This is a schematic structural diagram of the vehicle body of the present utility model;

[0028] Figure 5 This is a partial structural diagram of the connection between the brake cable and the brake pad of the utility model;

[0029] Figure 6 This is an exploded schematic diagram of the structure connecting the brake lever, handle and frame of the utility model;

[0030] Figure 7 This is a schematic diagram of the structure of the handle of the utility model;

[0031] Figure 8 This is a schematic diagram of the axonometric structure of the brake handle of the utility model;

[0032] Figure 9 This is a front view structural diagram of the brake handle of the utility model;

[0033] Figure 10 This is a schematic diagram of the structure of the linkage block of the utility model;

[0034] Figure 11 This is a schematic diagram of the brake handle of the utility model when the brake is not applied;

[0035] Figure 12 This is a schematic diagram of the brake handle when braking according to the present invention;

[0036] Figure 13 This is a schematic diagram of the brake handle in the utility model when the handbrake is in effect;

[0037] Figure 14 This is a schematic structural diagram of the frame of the utility model;

[0038] Figure 15 For this utility model Figure 14 Schematic diagram of the enlarged structure at A in the middle;

[0039] Figure 16 This is an exploded schematic diagram of the structure of the adjustment buckle of the utility model;

[0040] Figure 17 This is a schematic diagram of the structure of the latch of the utility model;

[0041] Figure 18 This is a structural diagram of the adjustment seat of the utility model;

[0042] Figure 19 This is a schematic diagram of the structure of the button of the utility model;

[0043] Figure 20 This is a schematic cross-sectional view of the adjusting buckle of the utility model;

[0044] In the figure: 1. vehicle body; 2. cloth bag; 3. folding support frame; 31. support rod; 32. linkage rod; 33. mounting rod; 34. lock assembly; 341. lock block; 342. limit screw; 343. lock guide groove; 344. hinge screw; 345. lock torsion spring; 346. lock hook; 347. lock hook screw; 348. handle column; 4. seat cushion; 5. backrest belt; 6. vehicle frame; 61. outlet hole; 62. connecting block; 63. main support frame; 64. adjustment buckle; 641. adjustment seat; 6411. mounting groove; 6412. first through hole; 6413. connecting seat; 6414. connecting groove; 6415. guide hole; 642. latch; 6421. axle pin; 6 43. Button; 6431. Pin hole; 6432. Second through hole; 644. Spring; 645. Locking screw; 65. Travel rod; 651. Adjustment hole; 652. Height scale; 7. Handle; 71. Brake mounting slot; 8. Brake handle; 81. First pair of locking bolts; 82. Switching slot; 821. Initial slot; 822. Brake slot; 823. Handbrake slot; 83. First linkage hole; 9. Brake pad; 91. Fixing seat; 10. Rear wheel; 11. Brake cable; 111. Limit pin; 12. Front wheel; 13. Brake spring; 14. Linkage block; 141. Second pair of locking bolts; 142. Linkage pin; 143. Mounting hole; 144. Second linkage hole; 145. Limit slot. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0046] Example 1

[0047] See also Figure 1-20The utility model provides the following technical solutions: a convenient walking aid, comprising two oppositely arranged vehicle bodies 1, the two vehicle bodies 1 being connected by a folding support frame 3, the folding support frame 3 comprising two support rods 31 hinged in an "X" shape, the lower ends of the support rods 31 being hinged to the vehicle body 1, the upper ends of the support rods 31 being connected to the vehicle body 1 by a linkage rod 32, the two ends of the linkage rod 32 being hinged to the support rods 31 and the vehicle body 1 respectively, one of the linkage rods 32 being connected to the support rods 31 by a locking assembly 34; the locking assembly 34 comprising a locking Block 341, the locking block 341 and the linkage rod 32 are hingedly connected by a hinge screw 344, and the locking block 341 and the linkage rod 32 are also connected by a locking torsion spring 345. A locking hook portion 346 is provided on the locking block 341, and a locking hook screw 347 corresponding to the locking hook portion 346 is connected to the support rod 31. A handle column 348 is connected to the side of the locking block 341 away from the locking hook portion 346. A locking guide groove 343 is also provided on the locking block 341, and a limiting screw 342 corresponding to the locking guide groove 343 is installed on the linkage rod 32.

[0048] By adopting the above technical solution, the two vehicle bodies 1 of the utility model are connected by a folding support frame 3, and are limited by the cooperation of the locking block 341 and the locking hook screw 347. When folding, it is only necessary to rotate the locking block 341 through the handle column 348 to separate the locking hook part 346 from the locking hook screw 347, and then lift up the cloth handle above the seat cushion cloth 4 to achieve folding. When opening, it is only necessary to pull the handle 7 to both sides until the locking hook part 346 hooks the locking hook screw 347, making the folding and opening of the walker simpler and more convenient.

[0049] Specifically, the upper end of the support rod 31 is connected to the mounting rod 33, and a seat cushion cloth 4 is connected between the two mounting rods 33. A cloth handle is connected above the seat cushion cloth 4 to facilitate lifting up when folding the walker. The upper ends of the two vehicle bodies 1 are connected to the backrest straps 5, and a cloth bag 2 located below is also connected between the two mounting rods 33.

[0050] By adopting the above technical solution, through the arrangement of the seat cushion 4 and the backrest strap 5, the user can sit on the seat cushion 4 to rest, and the cloth bag 2 can be used to place items, thereby increasing the functionality of the walker.

[0051] Example 2

[0052] The difference between this embodiment and embodiment 1 is that: specifically, the vehicle body 1 includes a frame 6, one end of the lower part of the frame 6 is hinged with a front wheel 12, the other end of the lower part of the frame 6 is installed with a rear wheel 10, the frame 6 is hinged with a brake pad 9 located on the circumferential side of the rear wheel 10, the end of the brake pad 9 is provided with a fixing seat 91, the frame 6 is provided with a connecting block 62 corresponding to the fixing seat 91, the upper end of the frame 6 is installed with a handle 7, the interior of the handle 7 is hinged with a linkage block 14, and the interior of the handle 7 is also fixed by a first pair of locking bolts 81. It is equipped with a brake handle 8, which is hinged to the linkage block 14. The brake handle 8 is provided with a switching groove 82 corresponding to the first pair of locking bolts 81. The switching groove 82 includes an initial groove 821, and a handbrake groove 823 is provided on one side of the initial groove 821. A brake groove 822 is provided on the oblique lower side of the initial groove 821. One end of the brake line 11 is connected to the linkage block 14, and the other end of the brake line 11 passes through the connecting block 62 and is connected to the fixed seat 91. The brake line 11 is provided with a brake spring 13 located between the fixed seat 91 and the connecting block 62.

[0053] By adopting the above technical solution, when braking is required, the brake handle 8 is squeezed upwards and the brake handle 8 is rotated upwards (see FIG. Figure 9 Clockwise as shown) to the brake groove 822 corresponding to the first pair of locking bolts 81, driving the linkage block 14 to rotate upward, driving the brake cable 11 to lift upward, thereby pulling the fixing seat 91 to move, so that the brake pad 9 is pressed on the rear wheel 10 to achieve braking;

[0054] After the brake handle 8 is released, the brake pad 9 is reset under the action of the brake spring 13, and the brake cable 11 pulls the linkage block 14 downward. Driven by the linkage block 14, the brake handle 8 rotates downward until the initial groove 821 corresponds to the first pair of locking bolts 81;

[0055] When the parking brake is required, the brake handle 8 is pulled downward, and the brake handle 8 rotates downward until the parking brake groove 823 corresponds to the first pair of locking bolts 81, driving the linkage block 14 to rotate upward, so that the brake pad 9 is pressed on the rear wheel 10 to realize the parking brake function;

[0056] When the handbrake needs to be released, the brake handle 8 is pulled upward, and the brake handle 8 rotates upward to separate the handbrake groove 823 from the first pair of locking bolts 81. Under the action of the brake spring 13, the brake pad 9 is reset, and the brake handle 8 rotates to the initial groove 821 corresponding to the first pair of locking bolts 81.

[0057] The utility model provides a switching groove 82 including an initial groove 821, a brake groove 822 and a handbrake groove 823 on the brake handle 8. The switching groove 82 cooperates with the first pair of locking bolts 81 to realize the three-state limit. The brake handle 8 cooperates with the linkage block 14 to drive the brake line 11 to move, thereby driving the brake pad 9 to move. Only one brake handle 8 can realize the functions of braking and handbrake respectively, and the structure is simpler and the operation is more convenient.

[0058] Specifically, a brake mounting groove 71 is provided on the handle 7 .

[0059] By adopting the above technical solution, the brake handle 8 and the linkage block 14 are installed.

[0060] Specifically, a mounting hole 143 is provided at one end of the linkage block 14, and a linkage block through hole corresponding to the mounting hole 143 is provided on the handle 7. The second pair of locking bolts 141 are passed through the through hole and the mounting hole 143 and then locked. The second pair of locking bolts 141 serve as the rotation axis of the linkage block 14.

[0061] By adopting the above technical solution, the hinged connection between the linkage block 14 and the handle 7 is achieved.

[0062] Specifically, a second linkage hole 144 is provided in the middle of the linkage block 14 , a first linkage hole 83 corresponding to the second linkage hole 144 is provided on the brake handle 8 , and the linkage pin 142 is inserted into the second linkage hole 144 and the first linkage hole 83 .

[0063] By adopting the above technical solution, the linkage block 14 and the brake handle 8 are linked together.

[0064] Specifically, a limiting pin 111 is connected to one end of the brake wire 11 connected to the linkage block 14 , and a limiting groove 145 corresponding to the limiting pin 111 is provided on the linkage block 14 .

[0065] By adopting the above technical solution, the connection between the brake line 11 and the linkage block 14 is achieved.

[0066] Specifically, the brake wire 11 is located inside the frame 6 , and a wire outlet hole 61 is provided on one side of the frame 6 located at the connection block 62 .

[0067] By adopting the above technical solution, the present invention sets the linkage block 14 inside the handle 7, so that the brake line 11 is routed from the inside of the frame 6. Compared with the external routing form, it is more beautiful and the service life of the brake line 11 is longer.

[0068] The installation steps of this utility model are:

[0069] (1) Insert the limiting pin 111 on the brake line 11 into the limiting groove 145 to connect the brake line 11 with the linkage block 14;

[0070] (2) Place the linkage block 14 into the groove of the brake handle 8 so that the second linkage hole 144 corresponds to the first linkage hole 83, and then insert the linkage pin 142 into the second linkage hole 144 and the first linkage hole 83 to achieve a hinged connection between the linkage block 14 and the brake handle 8;

[0071] (3) Place the brake handle 8 and the linkage block 14 into the brake mounting groove 71, adjust the position of the linkage block 14 so that the mounting hole 143 corresponds to the linkage block through hole on the handle 7, and then install the second pair of locking bolts 141 and lock them;

[0072] (4) Adjust the position of the brake handle 8 so that the switching slot 82 corresponds to the brake handle through-hole on the handle 7, and then install the first pair of locking bolts 81 and lock them;

[0073] (5) Insert the other end of the brake wire 11 from the upper end of the frame 6 into the interior, exit through the wire hole 61, and then pass through the connecting block 62, the brake spring 13 and the fixing seat 91 in sequence;

[0074] (6) Pull the end of the brake line 11 to adjust the relative length of the brake line 11 to an appropriate length, and then lock the brake line 11 and the fixing seat 91 with screws.

[0075] Example 3

[0076] The difference between this embodiment and embodiment 1 is that: specifically, the frame 6 includes a main support frame 63, an adjustment buckle 64 and a travel rod 65, wherein the adjustment buckle 64 is sleeved on the upper end of the main support frame 63, and the lower end of the travel rod 65 is inserted into the interior of the main support frame 63, the adjustment buckle 64 includes an adjustment seat 641, and a mounting groove 6411 is provided on one side of the adjustment seat 641. A button 643 is hinged inside the mounting groove 6411, and a pin 642 is hinged at the upper end of the button 643. A plurality of adjustment holes 651 are arranged at equal intervals on the travel rod 65, and the lower end of the button 643 is connected to the adjustment seat 641 by a spring 644.

[0077] By adopting the above technical solution, in a natural state, the button 643, under the action of the spring 644, causes the pin 642 to be inserted into the adjustment hole 651 on the travel rod 65, thereby realizing a limited connection between the travel rod 65 and the main support frame 63; when it is necessary to adjust the height of the handle, press the lower end of the button 643, and the button 643 rotates to drive the pin 642 to be pulled out from the adjustment hole 651, and adjust the position of the travel rod 65. After the adjustment is in place, release the button 643, and the button 643, under the action of the spring 644, causes the pin 642 to be inserted into the corresponding adjustment hole 651 again.

[0078] The present invention can separate the latch 642 from the adjustment hole 651 by pressing the button 643. After the stroke rod 65 is adjusted to the right position, the button 643 is released. Under the action of the spring 644, the latch 642 can be automatically inserted into the adjustment hole 651 to achieve positioning. Compared with the pull-button structure, the operation is more labor-saving and convenient, and more ergonomic.

[0079] Specifically, a connecting groove 6414 is provided on the adjustment seat 641 , and the connecting groove 6414 is sleeved on the upper end of the main support frame 63 and then locked by screws.

[0080] By adopting the above technical solution, the installation of the adjustment seat 641 and the main support frame 63 is achieved.

[0081] Specifically, the button 643 is provided with a second through hole 6432 , the adjustment seat 641 is provided with a first through hole 6412 corresponding to the second through hole 6432 , and the locking screw 645 is inserted into the second through hole 6432 and the first through hole 6412 as the rotation axis of the button 643 .

[0082] By adopting the above technical solution, the hinged connection between the button 643 and the adjustment seat 641 is achieved.

[0083] Specifically, the adjustment seat 641 is provided with a guide hole 6415 corresponding to the latch 642 .

[0084] By adopting the above technical solution, the movement of the latch 642 is guided.

[0085] Specifically, an axis pin 6421 is connected to one end of the latch 642 connected to the button 643 , and a pin hole 6431 corresponding to the axis pin 6421 is provided on the button 643 .

[0086] By adopting the above technical solution, the hinge connection between the latch 642 and the button 643 is achieved, so that the rotational movement of the upper end of the button 643 can drive the horizontal movement of the latch 642.

[0087] Specifically, a height scale 652 is provided on the side of the travel rod 65 . When the height scale line is flush with the upper end surface of the adjustment seat 641 , the latch 642 can be inserted into the corresponding adjustment hole 651 .

[0088] By adopting the above technical solution, it is convenient to quickly adjust the travel rod 65 to a required position.

[0089] Specifically, a connecting seat 6413 is provided on the side of the adjustment seat 641 .

[0090] By adopting the above technical solution, it is used to be hingedly connected with the linkage rod 32.

[0091] The assembly steps of the adjustment buckle 64 of the utility model are as follows:

[0092] (1) Place the end of the latch 642 into the button 643 so that the insertion hole on the latch 642 corresponds to the pin hole 6431, and insert the shaft pin 6421 through the pin hole 6431 to achieve a hinged connection between the latch 642 and the button 643;

[0093] (2) Install the spring 644 into the mounting groove 6411, then place the button 643 into the mounting groove 6411, insert the latch 642 into the guide hole 6415, and insert the outer end of the spring 644 into the circular groove on the button 643. The second through hole 6432 is aligned with the first through hole 6412.

[0094] (3) Insert the screw of the locking screw 645 into the second through hole 6432 and the first through hole 6412, and then screw the screw of the locking screw 645 into and tighten it to complete the assembly of the adjustment buckle 64.

[0095] In summary, the two vehicle bodies 1 of the present invention are connected by a folding support frame 3, which is limited by the cooperation of the locking block 341 and the locking hook screw 347. When folding, it is only necessary to rotate the locking block 341 through the handle column 348 to separate the locking hook part 346 from the locking hook screw 347, and then lift the cloth handle above the seat cushion 4 to achieve folding. When opening, it is only necessary to pull the handle 7 to both sides until the locking hook part 346 hooks the locking hook screw 347, making the folding and opening of the walker simpler and more convenient. The present invention allows the user to sit on the seat cushion 4 to rest through the arrangement of the seat cushion 4 and the backrest strap 5, and the cloth bag 2 can be used to place items, thereby increasing the functionality of the walker. The present invention provides a switching slot 82 including an initial slot 821, a brake slot 822 and a handbrake slot 823 on the brake handle 8. By switching the slot 82 Cooperating with the first pair of locking bolts 81, three-state limiting is achieved, and then the brake handle 8 cooperates with the linkage block 14 to drive the brake line 11 to move, thereby driving the brake pad 9 to move. Only one brake handle 8 can realize the functions of braking and handbrake respectively, and the structure is simpler and the operation is more convenient; the utility model arranges the linkage block 14 inside the handle 7, so that the brake line 11 is routed from the inside of the frame 6. Compared with the external routing form, it is more beautiful and the service life of the brake line 11 is longer; the utility model can realize the separation of the pin 642 and the adjustment hole 651 by pressing the button 643. After adjusting the travel rod 65 to the position, release the button 643. Under the action of the spring 644, the pin 642 can be automatically inserted into the adjustment hole 651 to achieve limiting. Compared with the pull-button structure, the operation is more labor-saving and convenient, and more ergonomic.

[0096] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A convenient walking aid, characterized by: The vehicle comprises two opposing vehicle bodies connected by a folding support frame, the folding support frame comprising two support rods hinged in an "X" shape, the lower ends of the support rods being hinged to the vehicle bodies, the upper ends of the support rods being connected to the vehicle bodies via a linkage rod, the ends of the linkage rods being hinged to the support rods and the vehicle bodies respectively, and one of the linkage rods being further connected to the support rods by a locking assembly; The lock assembly includes a lock block, which is hingedly connected to the linkage rod through a hinge screw, and the lock block and the linkage rod are also connected through a lock torsion spring. The lock block is provided with a lock hook portion, and a lock hook screw corresponding to the lock hook portion is connected to the support rod. A handle column is connected to the side of the lock block away from one end of the lock hook portion. The lock block is also provided with a lock guide groove, and a limit screw corresponding to the lock guide groove is installed on the linkage rod.

2. The easy-to-use walking aid according to claim 1, characterized in that: The upper end of the support rod is connected to a mounting rod, a seat cushion cloth is connected between the two mounting rods, the upper ends of the two vehicle bodies are connected to backrest belts, and a cloth bag located below is also connected between the two mounting rods.

3. The easy-to-use walking aid according to claim 1, characterized in that: The vehicle body includes a frame, a front wheel is hinged at one end below the frame, and a rear wheel is installed at the other end below the frame. A brake pad is hinged on the frame and is located on the circumferential side of the rear wheel. A fixed seat is provided at the end of the brake pad, and a connecting block corresponding to the fixed seat is provided on the frame. A handle is installed on the upper end of the frame, and a linkage block is hinged inside the handle. A brake handle is also installed inside the handle through a first pair of locking bolts. The brake handle is hinged to the linkage block, and a switching groove corresponding to the first pair of locking bolts is provided on the brake handle. The switching groove includes an initial groove, a handbrake groove is provided on one side of the initial groove, and a brake groove is provided on the oblique lower side of the initial groove. One end of the brake line is connected to the linkage block, and the other end of the brake line passes through the connecting block and is connected to the fixed seat. A brake spring is provided on the brake line and is located between the fixed seat and the connecting block.

4. The easy-to-use walking aid according to claim 3, characterized in that: One end of the linkage block is provided with a mounting hole, and the handle is provided with a linkage block through hole corresponding to the mounting hole. The second pair of locking bolts are locked after passing through the through hole and the mounting hole. A second linkage hole is provided in the middle position of the linkage block, and the brake handle is provided with a first linkage hole corresponding to the second linkage hole. The linkage pin is inserted into the second linkage hole and the first linkage hole. A limiting pin is connected to the end of the brake line connected to the linkage block, and a limiting groove corresponding to the limit pin is provided on the linkage block.

5. The easy-to-use walking aid according to claim 4, characterized in that: The brake line is located inside the frame, and a line outlet hole is provided on one side of the frame located at the connecting block.

6. The easy-to-use walking aid according to claim 3, characterized in that: The frame includes a main support frame, an adjustment buckle and a travel rod, wherein the adjustment buckle is sleeved on the upper end of the main support frame, and the lower end of the travel rod is inserted into the interior of the main support frame. The adjustment buckle includes an adjustment seat, a mounting groove is provided on one side of the adjustment seat, a button is hinged inside the mounting groove, and a pin is hinged at the upper end of the button. The travel rod is provided with a plurality of adjustment holes arranged at equal intervals, and the lower end of the button is connected to the adjustment seat by a spring.

7. The easy-to-use walking aid according to claim 6, characterized in that: The button is provided with a second through hole, the adjustment seat is provided with a first through hole corresponding to the second through hole, and the locking screw is inserted into the second through hole and the first through hole.

8. The easy-to-use walking aid according to claim 6, characterized in that: The adjusting seat is provided with a guide hole corresponding to the latch, an end of the latch connected to the button is connected with an axle pin, and the button is provided with a pin hole corresponding to the axle pin.

9. The easy-to-use walking aid according to claim 6, characterized in that: A connecting seat is provided on the side surface of the adjusting seat.

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