CN221061181U - But height-adjusting's four-wheel shallow - Google Patents
But height-adjusting's four-wheel shallow Download PDFInfo
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- CN221061181U CN221061181U CN202322044315.3U CN202322044315U CN221061181U CN 221061181 U CN221061181 U CN 221061181U CN 202322044315 U CN202322044315 U CN 202322044315U CN 221061181 U CN221061181 U CN 221061181U
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- frame body
- lower frame
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- support body
- wheel
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- 210000001503 joint Anatomy 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Handcart (AREA)
- Rehabilitation Tools (AREA)
Abstract
The utility model discloses a four-wheel cart with adjustable height, wherein the upper end of an upper frame body is provided with a handle, the upper frame body and a lower frame body are of hollow structures, the lower frame body is integrally formed, a fixing mechanism is arranged at the upper end of the lower frame body, the upper frame body is sleeved in the lower frame body and is in sliding connection with the lower frame body, the fixing mechanism and the upper frame body are tightly butted, wheels are respectively arranged in the front-back direction of the bottom of the lower frame body in the using direction of the four-wheel cart, a brake hand is arranged at the upper end of the upper frame body and is positioned below the handle, a brake device is arranged at the lower end of the lower frame body and is in braking connection with the wheels, the brake hand is connected with the brake device through a brake wire, the left end and the right end of the connecting mechanism are respectively provided with the lower frame body, the height of the upper frame body and the lower frame body can be adjusted through the arrangement of the upper frame body, the lower frame body and the fixing mechanism, the use requirements of users with different heights are met, the upper frame body and the lower frame body are arranged into hollow structures, the four-wheel cart is integrally formed, and the weight of the cart is reduced, and the cart is more convenient to carry.
Description
Technical Field
The utility model relates to the field of four-wheel carts, in particular to a four-wheel cart with adjustable height.
Background
The four-wheel cart is a device for assisting walking, and is usually composed of four wheels and a frame, and is used for supporting the body weight of a patient, helping the patient to stand or assist walking, namely helping the walking difficulty or people with inconvenient movement to keep balance and stability, so that the height of the four-wheel cart can meet the requirement of the height of the user, the traditional four-wheel cart is always fixed at the height, and the height of the four-wheel cart cannot be adjusted according to the height of the user to meet the requirement of the user; still traditional four-wheel carts generally need to be used outdoors, and four-wheel carts often need to be carried a distance before or after use, and traditional four-wheel carts need to consume more physical power during transportation because of the more weight of the connecting pieces between the frames.
Disclosure of utility model
The utility model aims to: the utility model aims to provide a four-wheel cart with adjustable height, which can meet the requirements of users with different heights, has lighter weight and is convenient to carry.
The technical scheme is as follows: the utility model provides a height-adjustable's four-wheel shallow, includes support body, lower support body, fixed establishment, coupling mechanism, wheel, stop hand, brake cable, arresting gear, it is handlebar hand to go up the support body upper end, go up the support body with the support body is hollow structure down, support body integrated into one piece down, fixed establishment locates support body upper end department down, go up the support body cover and locate support body down in and its sliding connection, fixed establishment with go up support body fastening butt joint in the four-wheel shallow direction of use, be equipped with respectively in the support body bottom front and back direction down the wheel, the stop hand is located go up support body upper end and be located the handlebar hand below, arresting gear locates down support body lower extreme with wheel braking connection, pass through between the stop hand with the arresting gear the brake cable is connected, both ends are equipped with respectively down the support body about coupling mechanism, will after the fixed establishment opens the support body is moved to the support body and is reached the suitable position again fixed establishment will be locked.
Further, the fixing mechanism comprises a fixing sleeve and a fixing pin, a plurality of continuous adjusting holes are formed in the vertical direction of the upper frame body, at least one fixing hole is formed in the upper end of the lower frame body, one side of the fixing hole on the lower frame body and one side of the adjusting hole on the vertical direction of the upper frame body are the same, the fixing sleeve is sleeved at the upper end of the lower frame body and fixedly connected with the fixing hole, at least one butt joint hole is formed in the fixing sleeve, the number of the fixing holes is the same as that of the butt joint holes, one butt joint hole corresponds to one fixing hole in position, and the fixing pin penetrates through the butt joint hole and the fixing hole to be arranged in the adjusting hole.
Further, coupling mechanism includes cross bracket, close-fitting pole, locking plate, dead lever, all be equipped with on two upper end portions about the cross bracket rear side close-fitting pole, two the close-fitting pole all be one end with cross bracket rotates to be connected, the other end with lower support body rotates to be connected, cross bracket with its correspondence all be equipped with between the close-fitting pole locking plate with the dead lever, two locking plate all locate with its correspondence on the cross bracket and with its swivelling joint, two the dead lever all locate with its correspondence on the close-fitting pole and with its fixed connection, one locking plate with one joint between the dead lever, the cross bracket lower extreme all with lower support body rotates to be connected, two locking plate upper end all is equipped with the gag lever post, two the gag lever post is located respectively rather than the cross bracket top and rather than the butt joint, two locking plate lower extreme all is equipped with the connecting hole, two locking plate lower extreme all is equipped with the stay cord of control in the connecting hole, and two setting up of stay cord more easily.
Further, a cushion and a backrest are further arranged on the four-wheel cart, the cushion is arranged at the left end and the right end above the connecting mechanism, and the backrest is arranged on the upper frame body at the left end and the right end of the connecting mechanism.
Further, the handle end is equipped with the arch, bellied setting promotes stability in use.
Further, the wheels in front of the bottom of the lower frame body are direction wheels, and the direction wheels facilitate steering of the four-wheel cart.
Further, the wheel diameter at the front of the bottom of the lower frame is larger than the wheel diameter at the rear for better steering and passing performance.
Further, the braking device is arranged at the rear part of the bottom of the lower frame body and is connected with the wheels in a braking way, so that the four-wheel cart is more stable during deceleration.
The beneficial effects are that: the four-wheel cart has the advantages that the height between the upper frame body and the lower frame body can be adjusted through the arrangement of the upper frame body, the lower frame body and the fixing mechanism, so that users with different heights can be satisfied, the use requirement is increased, the upper frame body and the lower frame body are arranged to be of a hollow structure, the weight of the four-wheel cart is reduced due to the fact that the lower frame body is integrally formed, and the four-wheel cart is more convenient to carry.
Drawings
FIG. 1 is a schematic view of the overall structure of a four-wheeled cart;
FIG. 2 is a schematic rear view of a four-wheeled cart;
FIG. 3 is a schematic view of the structure of the connection part of the upper frame body, the lower frame body and the fixing mechanism;
Fig. 4 is a partially enlarged schematic view of fig. 2 at a.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
The four-wheel cart with adjustable height, as shown in figures 1-2, comprises an upper frame body 1, a lower frame body 2, a fixing mechanism 3, a connecting mechanism 4, wheels 5, a brake hand 6, a brake wire and a brake device 7, wherein the upper end of the upper frame body 1 is a cart handle 8, the upper frame body 1 and the lower frame body 2 are hollow structures, the lower frame body 2 and the upper frame body 1 and the lower frame body 2 of the structure are integrally formed, the upper frame body 1 and the lower frame body 2 of the structure have a hollow structure because of less connecting structures, the weight is lighter, the fixing mechanism 3 is arranged at the upper end of the lower frame body 2, the upper frame body 1 is sleeved in the lower frame body 2 and in sliding connection with the lower frame body 2, the height of the four-wheel cart can be adjusted by the sliding connection of the upper frame body 1 and the lower frame body 2, the fixing mechanism 2 is tightly abutted with the upper frame body 1, the fixing position of the upper frame body 1 and the lower frame body 2 can be understood to be fixed through the fixing mechanism 3 after the height is adjusted, specifically, after the fixing mechanism 3 is opened, the upper frame body 1 is moved to a proper position, the fixing mechanism 3 is locked to fix the upper frame body 1, wheels 5 are respectively arranged in the front-back direction of the bottom of the lower frame body 2 in the use direction of the four-wheel cart, namely, two wheels 5 are arranged on the bottom of the lower frame body 2, a brake hand 6 is arranged at the upper end of the upper frame body 1 and below a handle 8, when the four-wheel cart is required to be controlled in speed, the brake hand 6 can be held, a brake device 7 is arranged at the lower end of the lower frame body 2 and is in braking connection with the wheels 5, the brake hand 6 and the brake device 7 are connected through a brake wire, the brake device 7 is controlled by the brake wire to compress the brake device 7 to the wheels 5 when the brake is required, so that the wheels 5 are prevented from rotating or the wheels 5 are slowed down, and finally the four-wheel cart is slowed down or stopped, the lower frame body 2 is arranged at the left end and the right end of the connecting mechanism 4 respectively, and the four-wheel cart can be understood to be symmetrically arranged at the two ends of the connecting mechanism 4 after the upper frame body 1, the lower frame body 2, the fixing mechanism 3, the wheels 5, the brake hands 6, the brake wires and the brake devices 7 are assembled, the brake devices 7 are arranged at the rear of the lower end of the lower frame body 2 and are connected with the rear wheels 5 in a braking manner, the braking of the wheels 5 can be controlled to promote the stability, and the four-wheel cart is stable especially when the four-wheel cart is decelerated in a downhill.
The fixing mechanism 3 comprises a fixing sleeve 31 and a fixing pin 32, as shown in fig. 3, a plurality of continuous adjusting holes 11 are arranged on the upper frame body 1 in the vertical direction, at least one fixing hole is arranged at the upper end of the lower frame body 2, the fixing hole and the adjusting hole are positioned on the same side, namely, one side of the lower frame body 2 and one side of the adjusting hole 11, which are positioned on the upper frame body 1, are the same, the fixing sleeve 31 is sleeved at the upper end of the lower frame body 2 and fixedly connected with the fixing sleeve, at least one butt joint hole 33 is arranged on the fixing sleeve 31, the number of the fixing holes is the same, one butt joint hole 33 corresponds to that of the fixing hole 33, the fixing hole is correspondingly arranged when the fixing sleeve 31 is sleeved at the upper end of the lower frame body 2, the fixing pin 32 penetrates through the butt joint hole 33 and the fixing hole to be arranged in the adjusting hole 11, when the height of the four-wheel cart is required to be adjusted, the fixing pin 32 is pulled out, then the fixing pin 32 is inserted into the butt joint hole 33 to fix the upper frame body 1 and the lower frame body 2 when the height is adjusted to a proper height.
The handle 8 of frame upper end is equipped with protruding 801 on the handle 8 end, all be equipped with protruding 801 on the handle 8 at coupling mechanism 4 both ends promptly, protruding 801 set up prevents when holding handle 8 when using that the hand breaks away from handle 8, lower support body 2 bottom the place ahead wheel 5 is the direction wheel, lower support body 2 the place ahead wheel 5 at coupling mechanism 4 both ends is the direction wheel promptly, set up the effect of universal wheel and make things convenient for four-wheel shallow to turn to when using, lower support body 2 bottom place ahead wheel 5 diameter is bigger than the wheel 5 diameter at rear, the universal wheel diameter in place ahead is bigger than the wheel 5 diameter at rear promptly, the setting that the front wheel diameter is bigger than the rear wheel diameter is for better steering and passing performance, the front wheel diameter is big makes steering more sensitive, the rear wheel is little has better passing performance, and the rear wheel is little, also can be light in weight much, make four-wheel shallow more light.
The connecting mechanism 4 comprises a cross bracket 41, a close-fitting rod 42, a locking plate 43 and a fixing rod 44, as shown in fig. 4, in the using direction of the four-wheeled cart, the left and right upper end parts of the rear side of the cross bracket 41 are respectively provided with the close-fitting rod 42, one end of each close-fitting rod 42 is rotationally connected with the cross bracket 41, the other end is rotationally connected with the lower frame body 2, namely, the left upper end part is provided with the close-fitting rod 42, one end of each close-fitting rod 42 is rotationally connected with the cross bracket 41, the other end of each close-fitting rod 42 is rotationally connected with the lower frame body 2, the other end of each close-fitting rod 42 is rotationally connected with the corresponding close-fitting rod 42, the locking plate 43 and the fixing rod 44 are respectively arranged between the cross bracket 41 and the corresponding close-fitting rod 42, the left and right cross bracket 41 and the close-fitting rod 42 are respectively provided with the locking plate 43 and the fixing rod 44, the two locking plates 43 are arranged on the corresponding cross brackets 41 and are rotationally connected with the cross brackets, namely the locking plates 43 and the cross brackets 41 can mutually rotate, the two fixing rods 44 are arranged on the corresponding close-fit rods 42 and are fixedly connected with the corresponding close-fit rods, one locking plate 43 is clamped with one fixing rod 44, the whole connecting mechanism 4 can be fixed after the locking plate 43 is clamped with the fixing rod 44, the lower ends of the cross brackets 41 are rotationally connected with the lower frame body 2, the connecting mechanism 4 can be movably retracted after the locking plates 43 are separated from the fixing rods 44, the upper ends of the two locking plates 43 are respectively provided with a limiting rod 45, the two limiting rods 45 are respectively positioned above the corresponding cross brackets 41 and are butted with the corresponding cross brackets, the limiting rods 45 are used for preventing the locking plates 43 from rotating randomly on the cross brackets 41, so that the locking plates 43 are not positioned at the designated positions when in use, the connecting holes 46 are formed in the lower ends of the two locking plates 43, pull ropes are arranged in the two connecting holes 46, and the pull ropes are arranged at the lower ends of the locking plates 43 so that when the four-wheel cart is unfolded, the four-wheel cart is fixed by pulling the pull ropes to butt the locking plates 43 and the fixing rods 44, and the pull ropes are convenient for a user to operate and fix.
The four-wheel cart is further provided with a cushion 9 and a backrest 10, the cushion 9 is arranged at the left end and the right end above the connecting mechanism 4 and is fixedly connected with the cushion, after the four-wheel cart is folded, the cushion 9 can be folded, the backrest 10 is arranged on the upper frame body 1 at the left end and the right end of the connecting mechanism 4, the backrest 10 can be understood to be arranged above the cushion 9, the cushion 9 is arranged between the lower frame bodies 2, the damage of the fixing mechanism 3 caused by the overlarge bearing of the upper frame body 1 can be reduced, the cushion 9 is arranged between the lower frame bodies 2, and the service life of the four-wheel cart can be improved because the damage of the fixing mechanism 3 between the upper frame body 1 and the lower frame body 2 is reduced if the bearing of the upper frame body 1 is overlarge.
The utility model discloses a method of use and principle are according to user's height before using through adjusting fixed establishment 3 with four-wheel shallow to suitable height and fixed, specifically be through last support body 1, lower support body 2, fixed establishment 3 make can height-adjusting down between support body 1 and the lower support body 2, satisfy the user of different heights, increased user demand, and set up into hollow structure with last support body 1, lower support body 2 integrated into one piece has reduced four-wheel shallow's weight, make the portability more convenient.
Claims (8)
1. The utility model provides a height-adjustable four-wheel cart, its characterized in that includes last support body (1), lower support body (2), fixed establishment (3), coupling mechanism (4), wheel (5), stop hand (6), brake cable, arresting gear (7), go up support body (1) upper end and be handlebar hand (8), go up support body (1) with lower support body (2) are hollow structure, lower support body (2) integrated into one piece, fixed establishment (3) are located lower support body (2) upper end department, go up support body (1) cover and locate in lower support body (2) and its sliding connection, fixed establishment (3) with go up support body (1) fastening butt joint in the four-wheel cart direction of use, be equipped with respectively in lower support body (2) bottom front and back direction wheel (5), stop hand (6) locate go up support body (1) upper end and be located handlebar hand (8) below, arresting gear (7) cover is located in lower support body (2) and the brake cable (4) are located respectively, the brake cable (4) are connected to the fixed establishment (4) are located between the support body (1) and the brake cable is connected to the position, and then the fixing mechanism (3) is locked to fix the upper frame body (1).
2. The four-wheel cart with adjustable height according to claim 1, wherein the fixing mechanism (3) comprises a fixing sleeve (31) and a fixing pin (32), a plurality of continuous adjusting holes (11) are arranged on the upper frame body (1) in the vertical direction, at least one fixing hole is arranged at the upper end of the lower frame body (2), one side of the fixing hole on the lower frame body (2) and one side of the adjusting hole (11) in the vertical direction of the upper frame body (1) are the same, the fixing sleeve (31) is sleeved at the upper end of the lower frame body (2) and is fixedly connected with the fixing sleeve, at least one butt joint hole (33) is arranged on the fixing sleeve (31), the number of the fixing holes is the same as the number of the butt joint holes (33) and one fixing hole are corresponding, and the fixing pin (32) penetrates through the butt joint holes (33) and the fixing holes are arranged in the adjusting holes (11).
3. The four-wheel cart according to claim 1, wherein the connecting mechanism (4) comprises a cross bracket (41), a close-fitting rod (42), locking plates (43) and a fixing rod (44), the close-fitting rod (42) is arranged on the left and right upper end parts of the rear side of the cross bracket (41), one end of the close-fitting rod (42) is rotatably connected with the cross bracket (41), the other end of the close-fitting rod is rotatably connected with the lower frame body (2), the locking plates (43) and the fixing rod (44) are arranged between the cross bracket (41) and the corresponding close-fitting rod (42), the two locking plates (43) are arranged on the cross bracket (41) corresponding to the locking plates and are rotatably connected with the locking rods, the two fixing rods (44) are arranged on the close-fitting rod (42) corresponding to the locking plates and are fixedly connected with the locking plates, one locking plate (43) is clamped between the cross bracket (41) and one fixing rod (44), the cross bracket (41) and the lower frame body (45) are respectively arranged at the upper end (45) and the lower end (45) of the cross bracket (41) corresponding to the two lower frame body (45), pull ropes are arranged in the two connecting holes (46).
4. The four-wheel cart with adjustable height according to claim 1, wherein a cushion (9) and a backrest (10) are further arranged on the four-wheel cart, the cushion (9) is arranged at the left end and the right end above the connecting mechanism (4), and the backrest (10) is arranged on the upper frame body (1) at the left end and the right end of the connecting mechanism (4).
5. A four-wheel trolley according to claim 1, characterized in that the handle (8) is provided with a projection (801) at its end.
6. A four-wheel trolley with adjustable height according to claim 1, characterized in that the wheels (5) in front of the bottom of the lower frame (2) are steering wheels.
7. A four-wheeled cart with adjustable height according to claim 1, characterized in that the wheels (5) in front of the bottom of the lower frame (2) have a larger diameter than the wheels (5) in the rear.
8. A four-wheeled cart with adjustable height according to claim 1, characterized in that the braking means (7) are arranged in the braking connection of the wheels (5) at the bottom rear and rear of the lower frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322044315.3U CN221061181U (en) | 2023-07-31 | 2023-07-31 | But height-adjusting's four-wheel shallow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322044315.3U CN221061181U (en) | 2023-07-31 | 2023-07-31 | But height-adjusting's four-wheel shallow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221061181U true CN221061181U (en) | 2024-06-04 |
Family
ID=91270917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322044315.3U Active CN221061181U (en) | 2023-07-31 | 2023-07-31 | But height-adjusting's four-wheel shallow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221061181U (en) |
-
2023
- 2023-07-31 CN CN202322044315.3U patent/CN221061181U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |