CN214823426U

CN214823426U - Handcart with anti-toppling structure

Info

Publication number: CN214823426U
Application number: CN202121074758.1U
Authority: CN
Inventors: 李明军; 卢仙玉
Original assignee: Qingdao Juchang Special Vehicle Co ltd
Current assignee: Qingdao Juchang Special Vehicle Co ltd
Priority date: 2021-02-26
Filing date: 2021-05-19
Publication date: 2021-11-23
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a handcart with anti-toppling structure, which comprises a carriage body, wherein the lower end of the carriage body is provided with a front wheel mechanism, the front wheel mechanism comprises a mounting plate, a fixed block, a rotating rod and a front wheel, the rear end of the carriage body is provided with a lifting rod through the connection of a fixed mechanism, the fixed mechanism comprises a fixed sleeve and a limiting block, the front wheel mechanism is matched with the rotating rod through the arrangement of a first spring to carry out damping treatment on the front wheel, so that the handcart has higher moving stability and stronger anti-toppling capability, the fixed mechanism is matched with the fixed sleeve, the limiting block, an inserting rod and a second spring to fix the position of the lifting rod, the inclination angle of the handcart can be adjusted by adjusting the height of the lifting rod, the handcart can be conveniently loaded and unloaded better, and the handcart moving track can be adjusted by driving a rear wheel to rotate through the lifting rod and the matched push handle, the trolley can be turned more conveniently.

Description

Handcart with anti-toppling structure

Technical Field

The utility model relates to a handcart technical field specifically is a prevent empting structure handcart.

Background

The handcart is a carrying vehicle pushed and pulled by manpower, although the material carrying technology of the handcart is continuously developed, the handcart is still used as an indispensable carrying tool, the handcart is widely applied in production and life because the handcart is low in manufacturing cost, simple in maintenance, convenient to operate and light in dead weight, the handcart can work in places where the motor vehicle is inconvenient to use, the handcart is very convenient to carry light objects in short distance, the handcart in the market at present is not provided with a structure convenient for placing the objects, a user is required to move the objects to a high place, the moving difficulty of the objects is increased, the moving efficiency of the objects is reduced, the material is inconvenient to unload, meanwhile, the moving stability of the handcart is poor, and the handcart is easy to topple over accidents.

Chinese patent (publication No. CN 212098897U, bulletin date: 2020.12.08) discloses a cart with an anti-toppling structure, which has the advantages of simple structure, convenience for carrying articles, etc. since the cart is provided with a handle bar, a limiting frame, a mounting groove, and a support bar, etc. to adjust the height of the right portion of the cart, the cart is provided with only two movable wheels, and the cart has poor movement stability when moving, and the handle bar needs to be continuously controlled to prevent the cart from toppling, so that it is not labor-saving, and the cart needs additional force to drive the movable wheels to move when turning, and is inconvenient to operate, therefore, the practicability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent empting structure handcart to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a handcart with an anti-toppling structure comprises a carriage body, wherein a front wheel mechanism is connected and arranged at the lower end of the carriage body, the front wheel mechanism comprises a mounting plate, a fixed block, a rotating rod and front wheels, the mounting plate is arranged at the lower end of the carriage body, the right part of the lower end of the mounting plate is fixedly connected with the upper end of the fixed block, the left end of the fixed block is movably connected with the right end of the rotating rod through a first connecting seat, the left end of the rotating rod is connected with a wheel shaft, the front wheels are arranged at two ends of the wheel shaft, a first spring is arranged between the mounting plate and the rotating rod, the upper end of the first spring is connected with the lower end of the mounting plate through the first connecting seat, the lower end of the first spring is connected with the upper end of the rotating rod through the first connecting seat, a lifting rod is connected and arranged at the rear end of the carriage body through a fixing mechanism, a cross rod is connected and arranged at the upper end of the lifting rod, a push handle is connected and arranged at the right end of the cross rod, the utility model discloses a lifting device, including lifting rod, wheel seat, fixed establishment, carriage body, jack, plug rod, connecting plate, lifting rod lower extreme connection, the lifting rod lower part installation is provided with the wheel seat, wheel seat lower part installation is provided with the rear wheel, fixed establishment includes fixed cover and stopper, the left end and the carriage body right-hand member fixed connection of fixed cover, the right-hand member and the stopper left end fixed connection of fixed cover, be equipped with the cylindricality hole in the fixed cover, the lifting rod alternates to set up downtheholely at the cylindricality, the jack has been seted up to fixed cover right side wall, the movable hole has been seted up in the stopper, the downthehole inserted bar that is equipped with of movable hole, the peripheral cover of inserted bar is equipped with the second spring, the inserted bar right-hand member links to each other with the connecting plate left end, the connecting plate right-hand member is connected and is provided with the pull ring, the left and right sides end of second spring links to each other with fixed cover right side wall and connecting plate left end respectively.

As a further aspect of the present invention: the diameter size of lifter is unanimous with cylindrical hole internal diameter size, be equipped with a plurality of ring groove on the lifter, ring groove sets up along the vertical direction of height equidistant distribution of lifter.

As a further aspect of the present invention: the sizes of the jack, the annular clamping groove and the inserted bar are matched, and the left part of the jack is communicated with the right part of the cylindrical groove.

As a further aspect of the present invention: the diameter size of the connecting plate is consistent with the inner diameter size of the movable hole.

As a further aspect of the present invention: the carriage body left end is provided with the door through the second connecting seat, the door lower extreme interlude is provided with the axis of rotation, the axis of rotation both ends are connected and are provided with the right angle pole, carriage body both sides end corresponding position is equipped with the kelly.

Compared with the prior art, the beneficial effects of the utility model are that: this handcart carries out shock attenuation processing to the front wheel through setting up first spring and dwang cooperation, make the mobility stability of handcart higher, it is stronger to prevent empting the ability, carriage body rear end is provided with the lifter through fixed establishment, the lifter lower extreme is equipped with the rear wheel, fixed establishment is through fixed cover, the stopper, inserted bar and second spring cooperation are fixed the lifter position, can adjust the inclination of handcart through the height of adjusting the lifter, the better shipment and the discharge of handcart of being convenient for, and push away the handle through the lifter and the cooperation and can drive the rear wheel and rotate and adjust handcart removal orbit, it is more convenient to make the handcart turn round, whole handcart simple structure and convenient operation, mobility stability is high, good freight effect, has stronger practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of a handcart with an anti-toppling structure.

Fig. 2 is a schematic structural view of a front wheel mechanism in a handcart with an anti-toppling structure.

Fig. 3 is a schematic view of the internal structure of the fixing mechanism in the handcart with the anti-toppling structure.

Fig. 4 is a schematic diagram of the arrangement position of a right-angle rod in a handcart with an anti-toppling structure.

Fig. 5 is an enlarged schematic view of a part A in the schematic view of the arrangement position of a right-angle rod of a trolley with an anti-toppling structure.

Wherein: the device comprises a carriage body-1, a front wheel mechanism-2, a lifting rod-3, a ring-shaped clamping groove-4, a fixing mechanism-5, a cross rod-6, a push handle-7, a wheel seat-8, a rear wheel-9, a mounting plate-10, a fixing block-11, a rotating rod-12, a front wheel-13, a first connecting seat-14, a first spring-15, a fixing sleeve-16, a cylindrical hole-17, a limiting block-18, an insertion hole-19, a movable hole-20, an insertion rod-21, a second spring-22, a connecting plate-23, a pull ring-24, a second connecting seat-25, a vehicle door-26, a rotating shaft-27, a right-angle rod-28 and a clamping rod-29.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1-3, a handcart with an anti-toppling structure comprises a carriage body 1, a front wheel mechanism 2 is connected to the lower end of the carriage body 1, the front wheel mechanism 2 comprises a mounting plate 10, a fixed block 11, a rotating rod 12 and front wheels 13, the mounting plate 10 is mounted at the lower end of the carriage body 1, the right portion of the lower end of the mounting plate 10 is fixedly connected with the upper end of the fixed block 11, the left end of the fixed block 11 is movably connected with the right end of the rotating rod 12 through a first connecting seat 14, the left end of the rotating rod 12 is connected with a wheel shaft, the front wheels 13 are arranged at two ends of the wheel shaft, a first spring 15 is arranged between the mounting plate 10 and the rotating rod 12, the upper end of the first spring 15 is connected with the lower end of the mounting plate 10 through the first connecting seat 14, the lower end of the first spring 15 is connected with the upper end of the rotating rod 12 through the first connecting seat 14, a lifting rod 3 is connected to the rear end of the carriage body 1 through a fixing mechanism 5, the upper end of the lifting rod 3 is connected with a cross rod 6, the right end of the cross rod 6 is connected with a push handle 7, the lower end of the lifting rod 3 is connected with a wheel seat 8, the lower part of the wheel seat 8 is provided with a rear wheel 9, the fixing mechanism 5 comprises a fixing sleeve 16 and a limiting block 18, the left end of the fixing sleeve 16 is fixedly connected with the right end of the carriage body 1, the right end of the fixed sleeve 16 is fixedly connected with the left end of the limiting block 18, a cylindrical hole 17 is arranged in the fixed sleeve 16, the lifting rod 3 is inserted in the cylindrical hole 17, the right wall of the fixed sleeve 16 is provided with an insertion hole 19, a movable hole 20 is arranged in the limiting block 18, an inserting rod 21 is arranged in the movable hole 20, the periphery of the inserted bar 21 is sleeved with a second spring 22, the right end of the inserted bar 21 is connected with the left end of a connecting plate 23, the right end of the connecting plate 23 is connected with a pull ring 24, and the left end and the right end of the second spring 22 are respectively connected with the right wall of the fixed sleeve 16 and the left end of the connecting plate 23.

Specifically, the diameter size of lifter 3 is unanimous with cylindrical hole 17 internal diameter size, be equipped with a plurality of ring groove 4 on the lifter 3, ring groove 4 sets up along the equidistant distribution of 3 vertical direction of height of lifter.

Furthermore, the sizes of the jack 19, the ring-shaped clamping groove 4 and the inserted rod 21 are matched, and the left part of the jack 19 is communicated with the right part of the cylindrical groove.

Further, the diameter of the connecting plate 23 is the same as the inner diameter of the movable hole 20.

This handcart is when using, earlier outwards stimulate pull ring 24 and adjust lifter 3 to suitable high position, loosen pull ring 24 again, connecting plate 23 removes and drives inserted bar 21 and remove under second spring 22 elasticity recovery effect, inserted bar 21 just can insert in ring groove 4 when removing, prescribe a limit to the vertical direction position of lifter 3 with this, the handcart is at the removal in-process, carry out shock attenuation processing to front wheel mechanism 2 through first spring 15 and dwang 12 cooperation, make the handcart can be more stable when removing, when the handcart needs turn round, only need rotate lifter 3 through pushing away 7 and drive rear wheel 9 and rotate and realize the handcart function of turning round.

Example two

Referring to fig. 4 and 5, on the basis of embodiment 1, although the inclination angle of the carriage body 1 can be adjusted by adjusting the height of the lifting rod 3 well, and the stability of the carriage body 1 during movement is ensured, when transporting some goods, the problem of slow unloading speed still exists, therefore, a vehicle door 26 is provided at the left end of the carriage body 1 through a second connecting seat 25, a rotating shaft 27 is inserted into the lower end of the vehicle door 26, right-angle rods 28 are connected to two ends of the rotating shaft 27, and clamping rods 29 are provided at corresponding positions at two side ends of the carriage body 1.

After the goods are loaded, the right-angle rod 28 is rotated to enable the right-angle corner of the right part of the right-angle rod 28 to be clamped on the clamping rod 29, so that the vehicle door 26 is fixed, and the rapid unloading function can be realized only by rotating the right-angle rod 28 upwards to enable the right-angle corner to be separated from the clamping rod 29 during unloading.

In summary, the trolley is provided with the first spring 15 and the rotating rod 12 which are matched to perform shock absorption treatment on the front wheel 13, the handcart has higher moving stability and stronger anti-toppling capability, the lifting rod 3 is arranged at the rear end of the carriage body 1 through the fixing mechanism 5, the rear wheel 9 is arranged at the lower end of the lifting rod 3, the fixing mechanism 5 fixes the position of the lifting rod 3 through the matching of the fixing sleeve 16, the limiting block 18, the inserted link 21 and the second spring 22, the inclination angle of the handcart can be adjusted by adjusting the height of the lifting rod 3, the handcart is convenient to load and unload goods better, the lifting rod 3 is matched with the push handle 7 to drive the rear wheel 9 to rotate so as to adjust the moving track of the handcart, the trolley is convenient to turn, simple in structure, convenient to operate, high in moving stability, good in goods conveying effect and high in practicability.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A handcart with an anti-toppling structure comprises a carriage body (1), wherein the lower end of the carriage body (1) is connected with a front wheel mechanism (2), and is characterized in that the front wheel mechanism (2) comprises a mounting plate (10), a fixed block (11), a rotating rod (12) and front wheels (13), the mounting plate (10) is arranged at the lower end of the carriage body (1), the right part of the lower end of the mounting plate (10) is fixedly connected with the upper end of the fixed block (11), the left end of the fixed block (11) is movably connected with the right end of the rotating rod (12) through a first connecting seat (14), the left end of the rotating rod (12) is connected with a wheel shaft, the front wheels (13) are arranged at two ends of the wheel shaft, a first spring (15) is arranged between the mounting plate (10) and the rotating rod (12), the upper end of the first spring (15) is connected with the lower end of the mounting plate (10) through the first connecting seat (14), the lower end of a first spring (15) is connected with the upper end of a rotating rod (12) through a first connecting seat (14), the rear end of a carriage body (1) is connected with a lifting rod (3) through a fixing mechanism (5), the upper end of the lifting rod (3) is connected with a cross rod (6), the right end of the cross rod (6) is connected with a pushing handle (7), the lower end of the lifting rod (3) is connected with a wheel seat (8), the lower part of the wheel seat (8) is provided with a rear wheel (9), the fixing mechanism (5) comprises a fixing sleeve (16) and a limiting block (18), the left end of the fixing sleeve (16) is fixedly connected with the right end of the carriage body (1), the right end of the fixing sleeve (16) is fixedly connected with the left end of the limiting block (18), a cylindrical hole (17) is arranged in the fixing sleeve (16), the lifting rod (3) is arranged in the cylindrical hole (17) in a penetrating manner, jack (19) have been seted up to fixed cover (16) right wall, activity hole (20) have been seted up in stopper (18), be equipped with inserted bar (21) in activity hole (20), the peripheral cover of inserted bar (21) is equipped with second spring (22), inserted bar (21) right-hand member links to each other with connecting plate (23) left end, connecting plate (23) right-hand member is connected and is provided with pull ring (24), the end links to each other with fixed cover (16) right wall and connecting plate (23) left end respectively about second spring (22).

2. A trolley with an anti-toppling structure according to claim 1, wherein the diameter of the lifting rod (3) is consistent with the inner diameter of the cylindrical hole (17), a plurality of annular clamping grooves (4) are arranged on the lifting rod (3), and the annular clamping grooves (4) are distributed along the vertical height direction of the lifting rod (3) at equal intervals.

3. A trolley with an anti-tip structure according to claim 2, characterized in that the dimensions of the insertion hole (19), the ring groove (4) and the insertion rod (21) are matched, and the left part of the insertion hole (19) is communicated with the right part of the cylindrical groove.

4. A trolley with an anti-toppling structure according to claim 2, characterized in that the diameter of the connecting plate (23) is the same size as the inner diameter of the movable hole (20).

5. A trolley with an anti-toppling structure according to claim 1, wherein a vehicle door (26) is arranged at the left end of the trolley body (1) through a second connecting seat (25), a rotating shaft (27) is inserted into the lower end of the vehicle door (26), a right-angle rod (28) is connected to two ends of the rotating shaft (27), and clamping rods (29) are arranged at corresponding positions at two side ends of the trolley body (1).