CN211809765U

CN211809765U - Trolley with universal wheel telescopic support legs

Info

Publication number: CN211809765U
Application number: CN201821741598.XU
Authority: CN
Inventors: 韩强
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2020-10-30
Anticipated expiration: 2028-10-26

Abstract

The utility model provides a take trolley of telescopic leg of universal wheel, which comprises a carriage body, the middle part difference fixedly connected with crossbeam and telescopic leg stiff end of automobile body bottom and top, the top of crossbeam, automobile body main part automobile body has folding tray with screw rod fixed mounting promptly, triangle hangings and bracing piece connecting piece have been welded respectively in both ends and the centre of crossbeam below, through being equipped with telescopic leg and flexible support connecting rod, make trolley not only reach flexible folding purpose, still be triangle-shaped with the automobile body and arrange, it is more stable to make trolley, on the land, can loosen the hand at any time, the automobile body still keeps the steady state when push-and-pull, can pull up at any time, greatly increased security, use strength has been promoted. The utility model discloses whole device stable in structure can carry out the high efficiency and spray paint and recycle, has improved the autonomy of device, and is more convenient to device control, has very high spreading value.

Description

Trolley with universal wheel telescopic support legs

Technical Field

The invention relates to a trolley, in particular to a trolley with universal wheels and telescopic supporting legs.

Background

Many small handcart users often need to pull very heavy articles, even put the goods on the top end of the handcart pull rod, so that in the using process, the pull rod is required to be lifted by hands while forward force is continuously exerted to push the handcart to advance, and great inconvenience is brought to the use

Therefore, there is a need for improvement over the prior art to address the disadvantages of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the hand is easy to be tired when the small handcart is used, and the like, providing a small handcart with universal wheel telescopic legs, increasing universal wheels below the legs, solving the problem that the hand is easy to be tired when the hand is stressed, enhancing the use effect, and enabling the small handcart to achieve the purpose of telescopic folding by arranging a freely telescopic handcart body, telescopic legs and telescopic supporting connecting rods, thereby being convenient to carry, fixing the small handcart by a screw through arranging a wheel frame connecting piece, the screw plays the role of an axle center, enabling a cross bar of the universal wheel frame to swing at a certain angle from left to right, two points of a main wheel of the handcart body and the point of the axle center of the fixed universal wheel frame, forming a stable structure for determining a plane by three points, mounting wheels by adopting short shaft rods completely, or designing wheel groups, realizing the free folding of the universal wheel legs, convenient carrying and wide practicability in the technical field of small trolleys.

In order to achieve the above object, the utility model provides a following technical scheme: a trolley with universal wheel telescopic legs comprises a trolley body, wherein the bottom of the trolley body and the middle part above the trolley body are respectively and fixedly connected with a cross beam and a telescopic leg fixing end, a foldable tray is fixedly installed on the trolley body above the cross beam through a screw rod, a triangular suspension connecting piece and a support rod connecting piece are respectively welded at the two ends and the middle part below the cross beam, the outer side of the triangular suspension connecting piece is movably connected with a short shaft rod and is independently suspended through a bolt, the outer side of the short shaft rod and the triangular suspension connecting piece is movably connected with wheels, the bottom of the support rod connecting piece is movably connected with a telescopic support connecting rod through a bolt, the other end of the telescopic support connecting rod is fixedly connected with a leg connecting piece, the telescopic legs are fixedly connected below the telescopic leg fixing ends, bolt holes are arranged below, the universal wheel frame comprises a wheel frame connecting piece, a wheel frame fixing shaft is arranged in the middle of the wheel frame connecting piece in an embedded mode, the wheel frame connecting piece is movably connected with a universal wheel frame through the wheel frame fixing shaft, universal wheel mounting pieces are fixedly connected to the left end and the right end of the universal wheel frame, and universal wheels are movably connected to the lower portions of the universal wheel mounting pieces through bolts.

Furthermore, the leg connecting piece at the bottom of the telescopic support connecting rod is movably connected with the bolt hole below the telescopic leg through a bolt.

Furthermore, the support rod connecting piece is arranged in the center of the cross beam, and the telescopic support legs and the telescopic support connecting rods are unfolded and then form a triangular shape with the vehicle body.

Furthermore, the wheel carrier connecting piece is U-shaped, the wheel carrier connecting piece and the ground form an included angle of thirty-five degrees, and the universal wheel is perpendicular to the ground.

Further, the universal wheel is detachable relative to the universal wheel mounting member.

Further, the tray can be folded above the vehicle body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model has the advantages of that the telescopic supporting legs and the universal wheels are arranged, the supporting legs of the universal wheels of the trolley realize the upward supporting force, the lifting force of the hands is released, the trolley can be moved by only pulling or pushing forward, the purpose of releasing the hands is achieved, the trolley not only achieves the telescopic folding purpose, but also is arranged in a triangle with the trolley body, the trolley is more stable, the hands can be released at any time on the flat ground, the trolley body still keeps the stable state during pushing and pulling and can be pulled up at any time, the safety is greatly increased, the use strength is improved, the trolley can more smoothly pass through the turning road section by arranging the universal wheel mounting parts, the easy turning can be realized only by changing the direction of the pulling rods due to the participation of the universal wheels, the use is convenient, the problem that the pulling rods are lifted by the hands forcefully in the goods pulling process of a common device is solved, hands are tired and the like.

To sum up, whole device stable in structure can carry out the high efficiency and draw goods and use, has improved the autonomy of device, and is more convenient to the drawing goods of dolly, has very high spreading value.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the cross beam structure of the present invention.

Fig. 3 is a schematic view of the structure of the telescopic supporting connecting rod of the present invention.

Fig. 4 is a schematic view of the telescopic leg of the present invention.

Fig. 5 is an enlarged schematic view of fig. 1A of the present invention.

In the figure: 1-car body, 2-cross beam, 3-telescopic leg, 4-universal wheel frame, 5-universal wheel mounting piece, 6-telescopic support connecting rod, 7-short shaft rod triangle independent suspension, 101-tray, 102-telescopic leg fixing end, 201-triangle suspension connecting piece, 202-supporting rod connecting piece, 301-wheel frame connecting piece, 302-wheel frame fixing shaft, 501-universal wheel, 601-leg connecting piece, 602-bolt hole and 701-wheel.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 5 in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows:

the utility model provides a telescopic leg of a small trolley, which comprises a trolley body 1, the bottom of the trolley body 1 and the middle part above the trolley body are respectively fixedly connected with a cross beam 2 and a telescopic leg fixing end 102, a foldable tray 101 is fixedly arranged on the trolley body above the cross beam 2 by a screw rod, a triangle suspension connecting piece 201 and a support bar connecting piece 202 are respectively welded at the two ends and the middle part below the cross beam 2, the outer side of the triangle suspension connecting piece 201 is movably connected with a short shaft rod triangle independent suspension 7 by a bolt, the outer side of the short shaft rod triangle independent suspension 7 is movably connected with a wheel 701, the bottom of the support bar connecting piece 202 is movably connected with a telescopic support connecting rod 6 by a bolt, the other end of the telescopic support connecting rod 6 is fixedly connected with a leg connecting piece 601, a telescopic leg 3 is fixedly, the tail end of the telescopic supporting leg 3 is welded with a wheel frame connecting piece 301, the middle of the wheel frame connecting piece 301 is provided with a wheel frame fixing shaft 302 in an embedded mode, the wheel frame connecting piece 301 is movably connected with a universal wheel frame 4 through the wheel frame fixing shaft 302, the left end and the right end of the universal wheel frame 4 are fixedly connected with universal wheel mounting pieces 5, and universal wheels 501 are movably connected below the universal wheel mounting pieces 5 through bolts.

Through being equipped with flexible landing leg and flexible support connecting rod, make the dolly not only reach flexible folding purpose, still be triangle-shaped with the automobile body and arrange, make the dolly more stable, on the flat ground, can loosen the hand at any time, the automobile body still keeps steady state when the push-and-pull, can pull up at any time, greatly increased security has promoted the use strength and the practicality of pulling the car.

3 end welding of telescopic leg has wheel carrier connecting piece 301, and the below of wheel carrier connecting piece 301 has universal wheel carrier 4 through wheel carrier fixed axle 302 swing joint, and both ends fixedly connected with universal wheel installed part 5 about universal wheel carrier 4, universal wheel installed part 5 below have universal wheel 501 through bolt swing joint.

Through being equipped with flexible landing leg and universal wheel, make the power that the dolly universal wheel landing leg realized upwards supporting, the power that the liberation hand lifted, only need pull forward or the power that pushes away, can walk and just can remove the dolly, reach the purpose of knowing and releasing both hands, promoted work efficiency greatly.

Example two:

the utility model provides a flexible landing leg of small tractor, the bolt hole 602 of the landing leg connecting piece 601 and the 3 below of flexible landing leg of flexible support connecting rod 6 bottoms passes through bolt swing joint, bracing piece connecting piece 202 sets up in crossbeam 2's central point, flexible landing leg 3 and flexible support connecting rod 6 expand the back and be three horn shapes with automobile body 1, wheel carrier connecting piece 301 is the U-shaped, wheel carrier connecting piece 301 is thirty-five degrees contained angles with ground, and universal wheel 501 perpendicular to ground, universal wheel 501 can dismantle for universal wheel installed part 5, tray 101 is collapsible to automobile body 1 top.

When the telescopic support leg of the small trolley provided by the utility model is used, firstly, the completeness of the function of the device is ensured, the preparation work of the device is completed, then, the triangular suspension connecting piece 201 on the beam 2 at the bottom of the trolley body 2 is movably connected with the short shaft rod triangular independent suspension 7 by a bolt, the bolt connection condition of one end of the telescopic support connecting rod 6 and the support rod connecting piece 202 on the beam 2 is checked, the support leg connecting piece 601 at the other end is connected with the bolt hole 602 on the telescopic support leg 3 by a bolt, the telescopic support connecting rod 6 and the telescopic support leg 3 at the bottom of the trolley body 1 are extended to proper length, whether the top end of the telescopic support leg 3 is firmly connected with the telescopic support leg fixed end 102 on the trolley body 1 is checked, the universal wheel frame 4 is adjusted to be parallel to the ground, the universal wheels connected with the universal wheel mounting pieces 5 at the two ends of the universal wheel frame 4 can freely rotate, the wheel, at this moment, the tray 101 folded on the vehicle body 1 is opened, goods are placed above the vehicle body 1, the small trolley is pulled, the rotation of the wheels 701 on the universal wheels 501 and the short shaft rod triangle independently hung 7 is carried out, the small trolley starts to move, the problem that the general device pulls goods is solved, the pull rod is pulled upwards by force by the hand, the hand is tired very much, and the small trolley cannot be folded in a telescopic mode, is inconvenient to carry, and is unstable in structure and the like is solved.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A trolley with universal wheel telescopic legs comprises a trolley body (1), wherein the bottom of the trolley body (1) and the middle of the upper part of the trolley body are respectively and fixedly connected with a cross beam (2) and a telescopic leg fixed end (102), and is characterized in that a foldable tray (101) is fixedly installed on a trolley body main body above the cross beam (2) through a screw rod, triangular suspension connecting pieces (201) and supporting rod connecting pieces (202) are respectively welded at the two ends and the middle of the lower part of the cross beam (2), the outer side of each triangular suspension connecting piece (201) is movably connected with a short shaft rod triangular independent suspension (7) through a bolt, the outer side of each short shaft rod triangular independent suspension (7) is movably connected with a wheel (701), the bottom of each supporting rod connecting piece (202) is movably connected with a telescopic supporting connecting rod (6) through a bolt, and the other end of each, the utility model discloses a telescopic leg, including telescopic leg stiff end (102), below fixedly connected with telescopic leg (3), telescopic leg (3) below runs through and is provided with bolt hole (602), telescopic leg (3) end-to-end welding has wheel carrier connecting piece (301), the middle part nestification of wheel carrier connecting piece (301) is provided with wheel carrier fixed axle (302), wheel carrier connecting piece (301) have universal wheel carrier (4) through wheel carrier fixed axle (302) swing joint, both ends fixedly connected with universal wheel installed part (5) about universal wheel carrier (4), universal wheel installed part (5) below have universal wheel (501) through bolt swing joint.

2. The trolley with the telescopic legs of the universal wheels as claimed in claim 1, wherein the leg connecting piece (601) at the bottom of the telescopic support connecting rod (6) is movably connected with the bolt hole (602) below the telescopic leg (3) through a bolt.

3. The trolley with the universal wheel telescopic legs as claimed in claim 1, wherein the support rod connecting piece (202) is arranged in the center of the cross beam (2), and the telescopic legs (3) and the telescopic support connecting rods (6) are unfolded and then form a triangular shape with the trolley body (1).

4. The trolley with the telescopic legs of the universal wheels as claimed in claim 1, wherein the wheel frame connecting piece (301) is U-shaped, the angle between the wheel frame connecting piece (301) and the ground is thirty-five degrees, and the universal wheels (501) are perpendicular to the ground.

5. Trolley with a cardan wheel telescopic leg according to claim 1 characterised in that the cardan wheel (501) is detachable in relation to the cardan wheel mounting (5).

6. Trolley with telescopic castor legs according to claim 1 characterised in that said tray (101) can be folded over the body (1).