CN210047486U

CN210047486U - Multi-wheel handcart with adjustable wheel spacing

Info

Publication number: CN210047486U
Application number: CN201920939338.1U
Authority: CN
Inventors: 杜学强
Original assignee: Qingdao Yuantai Metal Products Co Ltd
Current assignee: Qingdao Yuantai Metal Products Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-11
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a multi-wheel handcart with adjustable wheel spacing, which comprises a base, a cargo bucket arranged on the base, wheels arranged under the base, and wheel telescopic modules arranged at the bottom of the base, wherein the wheel telescopic modules comprise a fixed part and a sliding part arranged on the fixed part in a sliding way, the sliding part is connected with the axle of the wheels, the wheel telescopic modules are totally two, each wheel telescopic module is respectively connected with one wheel, the fixed part comprises an upper base fixedly connected at the bottom of the base, a connecting plate connected with the upper base and a lower base arranged at the bottom of the connecting plate, the sliding part comprises a sliding sleeve for installing the axle, the sliding arm and the lower sliding block are respectively connected with the base and the lower base in a sliding mode, and when the sliding part slides to a proper position, the sliding arm and the lower sliding block are fixed on the fixing part through the fixing part.

Description

Multi-wheel handcart with adjustable wheel spacing

Technical Field

The utility model relates to a many rounds of dollies especially relate to an adjustable round of interval many rounds of dollies.

Background

The most common and most popular of the multi-wheeled carts is the two-wheeled version, i.e. the two-wheeled cart, which is more stable and easier to handle than the single-wheeled cart, and due to the two-wheeled arrangement, the size of the bucket can be increased without concern, so the size of the bucket of the common two-wheeled cart is often larger than that of the single-wheeled cart, but if the size of the bucket needs to be increased better, the wheel spacing needs to be increased, so the larger the size of the two-wheeled cart is.

The big double round handcart of volume is not like single round handcart in topography adaptability, for example can appear deep basal pit or other deep pits often when the construction, and the practice of relatively saving trouble is to take a wooden footboard to supply the people to pass through, and partial single round handcart also can pass through, but the double round handcart often can't pass through, because its wheel interval is broad, needs several wooden footboards just accessible, and this point is unpopular. If a modular expansion platform could be provided, the cart could be adapted to a variety of applications.

Disclosure of Invention

In order to solve the technical problem, a multi-wheel trolley with adjustable wheel spacing is provided, the technical scheme is as follows, the multi-wheel trolley comprises a base, a cargo bucket arranged on the base, wheels arranged below the base, wheel telescopic modules arranged at the bottom of the base, the wheel telescopic modules comprise a fixed part and sliding parts arranged on the fixed part in a sliding manner, the sliding parts are connected with axles of the wheels, the wheel telescopic modules are two in number, each wheel telescopic module is connected with one wheel, the fixed part comprises an upper base fixedly connected to the bottom of the base, a connecting plate connected with the upper base and a lower base arranged at the bottom of the connecting plate, the sliding parts comprise sliding sleeves for mounting the axles, sliding arms arranged at the tops of the sliding sleeves and lower sliders arranged at the bottoms of the sliding sleeves, and the sliding arms and the lower sliders are respectively connected with the upper base and the lower base in a sliding manner, when the sliding part slides to a proper position, the sliding part is fixed on the fixed part through the fixing part.

On the basis of the technical scheme, the containing groove a is formed in the upper portion of the lower base, the containing groove b communicated with the containing groove a is formed in the lower portion of the lower base, the bottom of the lower sliding block is rotatably provided with the driven auxiliary claw through the blocking piece, the driven auxiliary claw is arranged in the containing groove a, the containing groove b is rotatably provided with the driving screw rod, the driving screw rod and the driven auxiliary claw are arranged at ordinary times and are in threaded connection, and the driven auxiliary claw can be moved by rotating the driving screw rod.

On the basis of the technical scheme, at least two supporting rods are hinged to the bottom, close to the front end, of the base.

On the basis of the technical scheme, the bottom of the base close to the front end is also provided with a fixed rod, a baffle is arranged near each of two end parts of the fixed rod, through holes for inserting the fixed rod are formed in the supporting rod, and the fixed rod is inserted into the through holes and props against the supporting rod through the baffles after the supporting rod is unfolded.

Has the advantages that: the double-wheel trolley with a certain modularization degree is provided, a plurality of transport trolleys can be replaced by one trolley, the situation that the trolleys with different sizes are purchased to adapt to different tasks is omitted, and the double-wheel trolley has a certain economic value. Meanwhile, the structure is simple, the transformation is easy, and the operation is convenient for users. And the device can be used as a technical reserve or a basic patent, can be applied to a trailer platform of a light semitrailer in the future, and has a better prospect.

Drawings

Fig. 1 is a side view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a side view of the wheel telescoping module of the present invention.

Fig. 4 is a front view of the fixing portion of the present invention.

Fig. 5 is a front view of the sliding portion of the present invention.

Fig. 6 is a cross-sectional view of fig. 4 according to the present invention.

Fig. 7 is a side view of the fixing portion of the present invention.

Fig. 8 is a cross-sectional view of fig. 5 according to the present invention.

Fig. 9 is a bottom view of the support rod of the present invention.

Fig. 10 is a schematic view of the usage state of the support rod of the present invention.

Detailed Description

The multi-wheel trolley with the adjustable wheel spacing as shown in the attached drawing comprises a base 1, a cargo bucket 2 arranged on the base 1, wheels 3 arranged below the base 1, wheel telescopic modules 4 arranged at the bottom of the base 1, wherein each wheel telescopic module 4 comprises a fixed part 6 and a sliding part 7 arranged on the fixed part 6 in a sliding way, the sliding parts 7 are connected with axles 5 of the wheels 3, the number of the wheel telescopic modules 4 is two, each wheel telescopic module 4 is respectively connected with one wheel 3, the fixed part 6 comprises an upper base 8 fixedly connected at the bottom of the base 1, a connecting plate 10 connected with the upper base 8 and a lower base 9 arranged at the bottom of the connecting plate 10, each sliding part 7 comprises a sliding sleeve 11 for mounting the axles 5, a sliding arm 12 arranged at the top of the sliding sleeve 11 and a lower sliding block 13 arranged at the bottom of the sliding sleeve 11, the sliding arm 12 and the lower slider 13 are slidably connected with the base 8 and the lower base 9 respectively, and when the sliding part 7 slides to a proper position, the sliding part is fixed on the fixing part 6 through a fixing part.

The embodiment is a first embodiment, as shown in fig. 1 to 8, taking the need of increasing the wheel spacing as an example, when in use, the fixing piece for fixing the sliding part 7 and the fixing part 6 is firstly detached, then the sliding part 7 is pulled outwards to enable the axle 5 to be connected with the wheels 3 to move transversely, then the actions are repeated on the other side of the vehicle body, the wheels 3 on both sides can be expanded to the right, and finally the fixing piece is used for fixing the sliding part 7 and the fixing part 6 together.

The mounting can adopt any prior art, for example screw thread etc. can all set up the screw hole that a plurality of arrays were arranged on fixed part 6 and sliding part 7, according to both mutual positions, select suitable screw hole fixed can.

The axle 5 (i.e., wheel shaft) connected to the wheel 3 may be fixed to the slide portion 7, so that the wheel 3 should be rotatably connected to the axle 5, and if the axle 5 is rotatably provided to the slide portion 7, the wheel 3 should be fixed to the axle 5. The rotating sleeve of the sliding part 7 has a space for the axle 5 to insert into, and when the axle 5 is rotatably connected to the sliding part 7, an annular flange may be provided on a portion of the axle 5 located inside the sliding sleeve 11, and a stopper may be provided on an inner wall of the sliding sleeve 11 so as to block the annular flange, so that the axle 5 cannot fall off the sliding sleeve 11.

The technical scheme of this embodiment is to change two wheels 3 installed by the same axletree 5 into two axletrees 5 and install a wheel 3 respectively among the prior art, and two axletrees 5 are respectively connected with a wheel telescopic module 4.

As shown in fig. 1, 3, 5 and 9, the sliding sleeve 11 of the sliding part 7 is slidably connected to the fixing part 6 through a sliding arm 12 and a lower slider 13, wherein the sliding arm 12 is slidably connected to the upper base 8, in order to avoid the sliding arm 12 being separated from the upper base 8, an upper slider 14 with a letter T-shape may be disposed at the end of the sliding arm 12, and a groove for the sliding arm 12 and the upper slider 14 to slide is correspondingly formed on the upper base 8, and the shape of the groove is determined by the sliding arm 12 and the upper slider 14.

In order to improve the stability of installation and sliding, the number of the sliding arms 12 should be at least two, and in order to reduce the weight, the arrangement of the sliding arms 12 can be arranged as shown in fig. 1 and 3, i.e. in a V-letter shape, so that the volume of the sliding sleeve 11 is reduced, and the volume can be made smaller. The lower sliding block 13 slides on the lower base 9, and a groove for the lower sliding block 13 to slide can be formed on the corresponding lower base 9.

Another embodiment is as follows. An accommodating groove a15 is formed above the lower base 9, an accommodating groove b16 communicated with the accommodating groove a15 is formed below the lower base 9, a driven auxiliary claw 18 is rotatably arranged at the bottom of the lower slider 13 through a baffle 17, the driven auxiliary claw 18 is arranged in the accommodating groove a15, an active screw rod 19 is rotatably arranged in the accommodating groove b16, the active screw rod 19 and the driven auxiliary claw 18 are arranged at ordinary times and are in threaded connection, and the driven auxiliary claw 18 can move by rotating the active screw rod 19.

The above embodiment is a modification of the first embodiment. The whole lower base 9 is provided with two grooves, namely a containing groove a15 and a containing groove b16, the containing groove a15 is used for containing the blocking piece 17 and the driven auxiliary claw 18 below the lower sliding block 13, the containing groove b16 is used for containing the driving screw rod 19, wherein the driven auxiliary claw 18 and the driving screw rod 19 are similar to the screw rod on the pliers, and the size of the nut which can be clamped by the pliers can be changed by rotating the screw rod. Similarly, the driving screw rod 19 and the driven auxiliary claw 18 are both rotatably arranged in the respective grooves, but the driving screw rod 19 can only coaxially rotate, and the driven auxiliary claw 18 can not only coaxially rotate but also slide along with the lower sliding block 13. In order to operate the driving screw rod 19 conveniently, the rotating shaft penetrating through the driving screw rod 19 extends out of the lower base 9, the extending part can be fixedly connected with a cylindrical body 24, and the outer surface of the cylindrical body 24 can be provided with a convex rib so as to be convenient to screw. Even the shape of the nut can be changed from a cylindrical body to a nut-like shape, such as an octagon, etc.

This embodiment is the second embodiment. The base 1 is also hinged with at least two support rods 20 near the bottom of the front end. When the support rod 20 is not used, the support rod can be fixed below the base 1 by using a binding band, when the support rod is needed to be used, the support rod is rotated and unfolded, the support rod and the base 1 are in a vertical state, the support rod 20 which is completely unfolded raises a vehicle, the wheels 3 are lifted off the ground, and the wheel telescopic module 4 is operated more easily.

In order to exert the supporting effect of the supporting rods, the two supporting rods should be arranged oppositely and in a staggered manner, as shown in fig. 9, and the supporting effect can be improved by increasing the distance between the two supporting rods.

This embodiment is a further improvement on the second embodiment. The bottom of the base 1 near the front end is also provided with a fixed rod 21, two baffle plates 23 are respectively arranged near two end parts of the fixed rod 21, through holes 22 for inserting the fixed rod 21 are formed in the supporting rods 20, and after the supporting rods 20 are unfolded, the fixed rod 21 is inserted into the through holes 22 and props against the supporting rods 20 through the baffle plates 23.

To improve the stability of the support pole 20 and prevent it from suddenly failing to support under extreme conditions. Therefore, holes (namely through holes 22) are formed in the support rods 20, the fixing rods 21 are additionally arranged, the fixing rods 21 are inserted into the through holes 22 from the space between the two support rods 20, the support rods 20 are blocked by the baffle plates 23, the two support rods 20 are propped against and cannot rotate, and stability is improved.

Claims

1. Adjustable wheel interval's bull wheel handcart, including base (1), set up goods fill (2) on base (1) and wheel (3) of setting under base (1), a serial communication port, still including setting up the flexible module of wheel (4) in base (1) bottom, flexible module of wheel (4) is including fixed part (6) and gliding sliding part (7) of setting on fixed part (6), sliding part (7) are connected with axletree (5) of wheel (3), flexible module of wheel (4) total two and every flexible module of wheel (4) respectively are connected with a wheel (3), fixed part (6) are including last base (8) of rigid coupling in base (1) bottom, connecting plate (10) of being connected with last base (8), lower base (9) of setting in connecting plate (10) bottom, sliding part (7) are including sliding sleeve (11) of installation axletree (5), The sliding sleeve is characterized by comprising a sliding arm (12) arranged at the top of the sliding sleeve (11) and a lower sliding block (13) arranged at the bottom of the sliding sleeve (11), wherein the sliding arm (12) and the lower sliding block (13) are respectively connected with a base (8) and a lower base (9) in a sliding mode, and when the sliding part (7) slides to a proper position, the sliding arm and the lower sliding block are fixed on the fixing part (6) through fixing parts.

2. The multi-wheeled cart with adjustable wheel spacing according to claim 1, wherein a receiving groove a (15) is formed above the lower base (9), a receiving groove b (16) communicated with the receiving groove a (15) is formed below the lower base (9), a driven auxiliary claw (18) is rotatably disposed at the bottom of the lower slider (13) through a blocking piece (17), the driven auxiliary claw (18) is disposed in the receiving groove a (15), an active screw rod (19) is rotatably disposed in the receiving groove b (16), the active screw rod (19) and the driven auxiliary claw (18) are disposed at ordinary times and are in threaded connection, and the driven auxiliary claw (18) can be moved by rotating the active screw rod (19).

3. Adjustable wheel spacing multi-wheeled trolley according to claim 1, characterized in that the base (1) near the front end is further articulated with at least two support bars (20).

4. The multi-wheeled cart with adjustable wheel spacing as claimed in claim 3, wherein a fixing rod (21) is further provided at the bottom of the base (1) near the front end, a partition (23) is provided near each of the two ends of the fixing rod (21), the supporting rods (20) are each provided with a through hole (22) for insertion of the fixing rod (21), and when the supporting rods (20) are unfolded, the fixing rod (21) is inserted into the through hole (22) and is supported against the supporting rods (20) by the partition (23).