CN215663465U - Buffer wheel set for hand cart - Google Patents

Abstract

The utility model relates to the technical field of trolleys, and discloses a buffer wheel set for a trolley, which comprises: the wheel comprises a vehicle body and a wheel body, wherein a buffer device, a supporting device, a positioning block and a supporting rod are arranged at the bottom of the vehicle body respectively, a rotating shaft is arranged at the central position of the wheel body, a square block is arranged at the bottom of the buffer device, a groove is formed in the back surface of the square block, and the inner wall of the groove is sleeved with the surface of the rotating shaft. This handcart is with buffering wheelset, through setting up buffer, antifriction bearing, gag lever post and antiskid cover, when using, when wheel body was crossed unevenness's road surface, the wheel body can make spring compression or extension, the spring cushions the power that the wheel body received, prevent that the goods on the automobile body from causing the damage because of receiving jolting, the round bar compresses the air in the pipe through sealed the pad, cushion the wheel body, through setting up buffer, when the automobile body produces jolting, prevent that the goods on the automobile body from producing and damaging, the effect that reduces the cost of transportation has been reached.

Description

Buffer wheel set for hand cart

Technical Field

The utility model relates to the technical field of trolleys, in particular to a buffer wheel set for a trolley.

Background

The handcart is a carrying vehicle pushed and pulled by people, the handcart comprises a single wheel, two wheels, three wheels and four wheels, the monocycle can run on a narrow springboard, an excrement bridge and a small sheep intestine channel, the monocycle can turn on the spot, and the goods can be conveniently dumped.

Among the prior art, common handcart is in the use at present, and most current handcart can produce the jolting of certain degree when transporting goods and cross unevenness's road surface, jolts and probably can make the goods on the handcart produce the extrusion or damage, and then leads to the cost of transportation to improve, and simultaneously, the handcart only supports the handcart through two spinal branchs frame under quiescent condition, supports the unstability, and the handcart may produce and turn on one's side.

SUMMERY OF THE UTILITY MODEL

The utility model provides a buffer wheel set for a trolley, which has the advantages of reducing transportation cost and stably supporting, and solves the problems that in the prior art, most of the conventional trolleys bump to a certain extent when the cargoes conveyed by the conventional trolleys pass through an uneven road surface in the use process of the conventional common trolleys, the cargoes on the trolleys are extruded or damaged, the transportation cost is increased, and meanwhile, the trolleys are supported by two supports only in a static state, so that the trolley is unstably supported and can turn on one side.

The utility model provides the following technical scheme: a buffer wheel set for a trolley, comprising: the wheel comprises a vehicle body and a wheel body, wherein a buffer device, a supporting device, a positioning block and a supporting rod are arranged at the bottom of the vehicle body respectively, a rotating shaft is arranged at the central position of the wheel body, a square block is arranged at the bottom of the buffer device, a groove is formed in the back surface of the square block, and the inner wall of the groove is sleeved with the surface of the rotating shaft.

Preferably, buffer includes spring, pipe, round bar and sealed the pad, the one end of spring and the bottom welding of automobile body, the other end of spring and the top welding of square, the round bar assembles in the bottom of automobile body, the one end assembly of round bar is at the top of square, the other end of round bar and the bottom welding of sealed pad, the inner wall sliding connection of the surface of sealed pad and pipe.

Preferably, the supporting device comprises a fixed block, a fixed shaft, a fixed plate and a moving block, the fixed block is assembled at the bottom of the vehicle body, one end of the fixed shaft is welded with the side face of the fixed block, the fixed plate is sleeved on the surface of the fixed shaft, the moving block is assembled on the front face of the fixed plate, and the positioning block is sleeved on the surface of the fixed plate.

Preferably, a rolling bearing is embedded in the inner wall of the groove and is sleeved on the surface of the rotating shaft.

Preferably, the side of the vehicle body is provided with two handles, the surface of each handle is sleeved with an anti-slip sleeve, and the two handles are symmetrically arranged by taking the central vertical plane of the vehicle body as a symmetrical plane.

Preferably, a limiting rod is welded on the side face of the square block, and the surface of the limiting rod is in lap joint with the surface of the wheel body.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the buffer wheel set for the handcart is used, when the wheel body passes through an uneven road surface, the wheel body can compress or extend the spring, the spring buffers the force on the wheel body to prevent goods on the handcart body from being damaged due to bumping, the round rod compresses air in the round pipe through the sealing gasket to buffer the wheel body, the rolling bearing prevents the rotating shaft from directly contacting with the square block, the abrasion between the rotating shaft and the square block is reduced, the anti-slipping sleeve prevents an operator from taking off the hand when holding the handle to move the handcart body, the friction between the hand of the operator and the handle is increased, if foreign matters are stuck on the surface of the wheel body, when the foreign matters rotate to the position of the limiting rod, the limiting rod can clear the foreign matters to enable the wheel body to normally rotate, and through the arrangement of the buffer device, when the handcart body bumps, prevent that goods on the automobile body from producing the damage, reached the effect that reduces cost of transportation, solved prior art, present common handcart is in the use, and when the unevenness road surface was crossed to most current handcart transportation goods, can produce the jolting of certain degree, probably can make goods on the handcart produce the extrusion or damage, problem that cost of transportation improves.

2. This handcart is with buffering wheelset, through setting up strutting arrangement, when using, the fixed plate cover is on the fixed axle, the fixed plate uses the axle center of fixed axle to rotate as the centre of a circle, the movable block has increased the area of contact of fixed plate and ground, it is more stable to make the fixed plate support, the fixed block bears the weight of the fixed axle, the locating piece can block the fixed plate, pack up the fixed plate, through setting up strutting arrangement, fixed plate and movable block cooperation are used, support the automobile body, the effect of outrigger has been reached, prior art has been solved, common handcart is in the use at present, the handcart only supports the handcart through two spinal branchs frame under quiescent condition, support the unstability, can produce the problem of turning on one's side.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the wheel body according to the present invention;

FIG. 3 is a left sectional view of the round bar of the present invention;

FIG. 4 is a left sectional view of the fixing plate according to the present invention.

In the figure: 1. a vehicle body; 2. a wheel body; 3. a buffer device; 31. a spring; 32. a circular tube; 33. a round bar; 34. a gasket; 4. a support device; 41. a fixed block; 42. a fixed shaft; 43. a fixing plate; 44. a moving block; 5. positioning blocks; 6. a support bar; 7. a rotating shaft; 8. a square block; 9. a groove; 10. a rolling bearing; 11. a handle; 12. an anti-slip sleeve; 13. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a buffer wheel set for a trolley includes: the wheel body comprises a vehicle body 1 and a wheel body 2, wherein a buffer device 3, a supporting device 4, a positioning block 5 and a supporting rod 6 are respectively arranged at the bottom of the vehicle body 1, a rotating shaft 7 is arranged at the central position of the wheel body 2, a square block 8 is arranged at the bottom of the buffer device 3, a groove 9 is formed in the back of the square block 8, and the inner wall of the groove 9 is sleeved with the surface of the rotating shaft 7.

Wherein; buffer 3 includes spring 31, pipe 32, round bar 33 and sealed 34, the one end of spring 31 and the bottom welding of automobile body 1, the other end of spring 31 and the top welding of square 8, the bottom at automobile body 1 is assembled to pipe 32, the top at square 8 is assembled to the one end of round bar 33, the other end of round bar 33 and the bottom welding of sealed 34, the surface of sealed 34 and the inner wall sliding connection of pipe 32, when wheel body 2 passes unevenness's road surface, wheel body 2 can make spring 31 compress or extend, spring 31 cushions the power that wheel body 2 received, prevent that the goods on the automobile body 1 from receiving the damage that jolts caused, round bar 33 compresses the air in the pipe 32 through sealed 34, cushion wheel body 2.

Wherein; the supporting device 4 comprises a fixed block 41, a fixed shaft 42, a fixed plate 43 and a moving block 44, wherein the fixed block 41 is assembled at the bottom of the vehicle body 1, one end of the fixed shaft 42 is welded with the side face of the fixed block 41, the fixed plate 43 is sleeved on the surface of the fixed shaft 42, the moving block 44 is assembled on the front face of the fixed plate 43, the positioning block 5 is sleeved on the surface of the fixed plate 43, the fixed plate 43 is sleeved on the fixed shaft 42, the fixed plate 43 rotates by taking the axis of the fixed shaft 42 as the center of circle, the moving block 44 increases the contact area between the fixed plate 43 and the ground, the fixed plate 43 is supported more stably, the fixed block 41 bears the fixed shaft 42, the fixed plate 43 can be clamped by the positioning block 5, and the fixed plate 43 is retracted.

Wherein; the inner wall of the groove 9 is inlaid with a rolling bearing 10, the rolling bearing 10 is sleeved on the surface of the rotating shaft 7, and the rolling bearing 10 is sleeved on the surface of the rotating shaft 7, so that the rotating shaft 7 is prevented from being in direct contact with the square 8, and the abrasion between the rotating shaft 7 and the square 8 is reduced.

Wherein; the side of automobile body 1 is provided with handle 11, and anti-skidding cover 12 has been cup jointed on the surface of handle 11, and the quantity of handle 11 is two, and two handle 11 use the vertical face in center of automobile body 1 to set up as the symmetry plane symmetry, and two handle 11 are convenient for the operator to remove automobile body 1, and anti-skidding cover 12 prevents that the operator from holding the in-process that handle 11 removed automobile body 1 and taking off the hand, has increased the frictional force between operator's hand and the handle 11.

Wherein; the side welding of square 8 has gag lever post 13, and the surface of gag lever post 13 and the surperficial overlap joint of wheel body 2, if the surface of wheel body 2 glues the foreign matter, when the foreign matter rotates to gag lever post 13's position, gag lever post 13 can clear up the foreign matter, makes wheel body 2 can normally rotate.

The working principle is that before use, the supporting rod 6, the moving block 44 and the fixed plate 43 are attached to the ground, the wheel body 2 and the spring 31 are in a static state, when in use, the fixed plate 43 is folded, the fixed plate 43 rotates around the axis of the fixed shaft 42, the fixed plate 43 is clamped on the positioning block 5, after being clamped, the anti-slip sleeve 12 is held, the supporting rod 6 is lifted upwards to separate the supporting rod 6 from the ground, after separation, the vehicle body 1 is pushed forwards, the wheel body 2 starts to rotate, if the vehicle body passes through the uneven ground, the wheel body 2 can enable the spring 31 to extend or compress, the spring 31 compresses, the round rod 33 moves upwards, the sealing gasket 34 moves upwards along the inner wall of the round pipe 32, after moving to a certain position, the spring 31 extends, the round rod 33 drives the sealing gasket 34 to move downwards, the spring 31 performs buffering and shock absorption on the wheel body 2 in the processes of extending and compressing, and further prevents goods in the vehicle body 1 from being damaged due to shock, if need not the transportation goods, loosen the slipmat, make the bottom and the ground laminating of bracing piece 6, with fixed plate 43 and the separation of locating piece 5, after the separation, make fixed plate 43 and movable block 44 and ground laminating, support automobile body 1, prevent that automobile body 1 from turning on one's side, after the stable support, can accomplish the use to this automobile body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a buffering wheelset for handcart which characterized in that includes: automobile body (1) and wheel body (2), the bottom of automobile body (1) is provided with buffer (3), strutting arrangement (4), locating piece (5) and bracing piece (6) respectively, the central point department of putting of wheel body (2) is provided with pivot (7), the bottom of buffer (3) is provided with square (8), the back of square (8) is seted up flutedly (9), the inner wall of recess (9) cup joints with the surface of pivot (7).

2. The buffer wheel set for the hand trolley according to claim 1, wherein the buffer device (3) comprises a spring (31), a round tube (32), a round rod (33) and a sealing gasket (34), one end of the spring (31) is welded with the bottom of the trolley body (1), the other end of the spring (31) is welded with the top of the square (8), the round tube (32) is assembled at the bottom of the trolley body (1), one end of the round rod (33) is assembled at the top of the square (8), the other end of the round rod (33) is welded with the bottom of the sealing gasket (34), and the surface of the sealing gasket (34) is slidably connected with the inner wall of the round tube (32).

3. The buffer wheel set for the hand trolley according to claim 1, wherein the supporting device (4) comprises a fixed block (41), a fixed shaft (42), a fixed plate (43) and a moving block (44), the fixed block (41) is assembled at the bottom of the trolley body (1), one end of the fixed shaft (42) is welded with the side surface of the fixed block (41), the fixed plate (43) is sleeved on the surface of the fixed shaft (42), the moving block (44) is assembled on the front surface of the fixed plate (43), and the positioning block (5) is sleeved on the surface of the fixed plate (43).

4. The buffer wheel set for hand carts according to claim 1, wherein the inner wall of the groove (9) is embedded with a rolling bearing (10), and the rolling bearing (10) is sleeved on the surface of the rotating shaft (7).

5. The buffer wheel set for the hand cart according to claim 1, wherein the side of the cart body (1) is provided with two handles (11), the surface of each handle (11) is sleeved with an anti-slip sleeve (12), and the two handles (11) are symmetrically arranged by taking the central vertical plane of the cart body (1) as a symmetrical plane.

6. Buffer wheel set according to claim 1, characterised in that a stop lever (13) is welded to the side of the block (8), the surface of the stop lever (13) overlapping the surface of the wheel body (2).

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