CN215663510U

CN215663510U - Handcart with damper

Info

Publication number: CN215663510U
Application number: CN202121336917.0U
Authority: CN
Inventors: 周永帅; 石刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-28
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a trolley with a damping mechanism, which comprises a trolley main body and a caster wheel assembly arranged at the lower end of the trolley main body, wherein the damping mechanism is arranged between the caster wheel assembly and the trolley main body and is used for buffering the vibration of the trolley main body; the shock absorbing mechanism comprises a shock absorbing member which is supported between the trolley main body and the caster wheel assembly in an abutting mode and always enables the trolley main body to have a tendency of moving upwards; the lower end of the trolley main body is provided with a first limiting column, the caster wheel assembly is provided with a second limiting column corresponding to the first limiting column, and the damping piece is sleeved between the first limiting column and the second limiting column; the damping member may be a damping spring; the trolley with the damping mechanism provided by the utility model overcomes the defects that the existing trolley has no damping mechanism and has larger volume after being folded.

Description

Handcart with damper

Technical Field

The utility model relates to the field of trolleys, in particular to a trolley with a damping mechanism.

Background

Along with the improvement of standard of living, more and more people like self-driving to go outdoor activities, can carry a lot of picnic food and outdoor apparatus when self-driving simultaneously, but the car of self-driving generally can only drive the parking place, remaining distance majority needs to be done on foot in addition, people carry so much things outdoor on foot very inconveniently, also begin to sell the handcart that can fold and put in the trunk on the market now, during the use, can open the handcart and be used for carrying picnic food and outdoor apparatus, make things convenient for people to carry.

Existing carts typically include a caster and a body, with the caster mounted to the bottom of the body. All there is not damper between current truckle and the main part, and the handcart receives vibrations great during the use, bears the thing in the fragile car, can increase the collision between each spare part moreover, has shortened life. Although the existing trolley can be folded, the volume is still large after being folded, and the using effect is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a trolley with a damping mechanism, so as to overcome the defects that the existing trolley has no damping mechanism and has larger volume after being folded.

(II) technical scheme

In order to solve the technical problem, the utility model provides a trolley with a damping mechanism, which comprises a trolley main body and a caster wheel assembly arranged at the lower end of the trolley main body, wherein the damping mechanism is arranged between the caster wheel assembly and the trolley main body and is used for buffering the vibration of the trolley main body; the shock absorbing mechanism includes a shock absorbing member supported against and between the cart body and the caster assembly and tending to move the cart body upward at all times. This handcart, handcart main part and truckle subassembly are articulated to install damper between the two, can alleviate the vibrations that the handcart main part received through the shock attenuation piece during the use, prevent to bear the weight of the thing impaired, reduce vibrations between each part, increase of service life.

Furthermore, a first limiting column is arranged at the lower end of the trolley main body, a second limiting column corresponding to the first limiting column is arranged on the caster wheel assembly, and the damping piece is sleeved between the first limiting column and the second limiting column; the damping member may be a damping spring.

Further, the trolley main body is hinged with the caster wheel assembly through a quick-release mechanism. The quick-release mechanism comprises an articulated block arranged at the lower end of the trolley main body, a containing groove matched with the articulated block is arranged on the trundle assembly, and the articulated block is arranged in the containing groove and is connected with the trundle assembly through a detachable bolt. Slots are symmetrically formed in the outer sides of the hinged blocks, inserting plates matched with the slots are arranged on the caster wheel assemblies, and the inserting plates are inserted into the slots in an inserting mode. Handcart main part and truckle subassembly pass through quick detach mechanism and articulate, extract the bolt during dismantlement, just can dismantle down handcart main part and truckle subassembly, easy dismounting.

Further, the trolley main body comprises a bottom frame folding component and a side frame folding component arranged on the bottom frame folding component; the side frame folding assembly comprises a first folding frame and a second folding frame which are hinged with each other, one end of the bottom frame folding assembly is hinged on the first folding frame, and the other end of the bottom frame folding assembly is hinged on the second folding frame. The trolley main body also comprises a supporting folding component connected with the side frame folding component; the supporting and folding assembly comprises a first U-shaped frame hinged to the first folding frame, a second U-shaped frame hinged to the second folding frame, a first supporting rod and a second supporting rod, wherein the first supporting rod and the second supporting rod are hinged to each other, the end portion of the first supporting rod is hinged to the first folding frame, and the end portion of the second supporting rod is hinged to the second folding frame. The side frame folding component is arranged, the first folding frame and the second folding frame are drawn together towards the middle, the underframe folding component can be folded, folding and unfolding are convenient, and the folding chassis folding component is small in overall size, convenient to store and convenient to use after being folded.

Furthermore, the chassis folding assembly comprises a first chassis and a second chassis which are hinged to each other, wherein the end of the first chassis is hinged to the first folding frame, and the end of the second chassis is hinged to the second folding frame. The trolley main body further comprises a pull rod assembly, and the pull rod assembly is hinged to the second folding frame.

(III) advantageous effects

Compared with the prior art, the trolley with the damping mechanism provided by the utility model has the following advantages:

1) the trolley main body is hinged with the caster wheel assembly, and the damping mechanism is arranged between the trolley main body and the caster wheel assembly, so that when the trolley is used, the vibration borne by the trolley main body can be relieved through the damping piece, a bearing object is prevented from being damaged, the vibration among all the parts is reduced, and the service life is prolonged;

2) the trolley main body and the caster wheel assembly are hinged through the quick-release mechanism, and the trolley main body and the caster wheel assembly can be detached by pulling out the bolt during detachment, so that the disassembly and the assembly are convenient;

3) the side frame folding component is arranged, the underframe folding component can be folded by drawing the first folding frame and the second folding frame towards the middle, the folding and the unfolding are convenient, and the folded whole body has small volume, is convenient to store and use;

4) the supporting and folding assembly is arranged, so that the supporting strength can be effectively increased, the bearing capacity of the vehicle body is improved, and the service life is prolonged; and the supporting folding component can be folded and unfolded along with the side frame folding component, and is convenient to store.

Drawings

FIG. 1 is a perspective view of a cart having a shock absorbing mechanism according to the present invention;

FIG. 2 is a perspective view of a cart shock absorbing mechanism having a shock absorbing mechanism according to the present invention;

FIG. 3 is an exploded view of a shock absorbing mechanism for a cart having a shock absorbing mechanism according to the present invention;

FIG. 4 is a perspective view of the bottom of the main body of a cart including a shock absorbing mechanism according to the present invention;

FIG. 5 is a perspective view of a cart caster assembly having a shock absorbing mechanism in accordance with the present invention;

FIG. 6 is a schematic view of a cart having a shock absorbing mechanism according to the present invention;

the corresponding part names for the various reference numbers in the figures are: 1. a cart main body; 2. a caster assembly; 3. a shock absorbing member; 4. a first limit post; 5. a second limit post; 6. a hinged block; 7. a containing groove; 8. a bolt; 9. a slot; 10. inserting plates; 11. a first folding frame; 12. a second folding frame; 13. a first U-shaped frame; 14. a second U-shaped frame; 15. a first support bar; 16. a second support bar; 17. a first chassis; 18. a second chassis; 19. a drawbar assembly.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, the present invention provides a cart having a shock-absorbing mechanism, which includes a cart body 1 and caster assemblies 2 mounted on a lower end of the cart body 1, wherein the caster assemblies 2 include symmetrically disposed casters and caster shafts for connecting the two casters.

Referring to fig. 2, a damping mechanism is installed between the caster assembly 2 and the cart body 1, and the damping mechanism is used for damping vibration received by the cart body 1; the shock absorbing mechanism comprises a shock absorbing member 3, which shock absorbing member 3 is supported against between the trolley body 1 and the castor assembly 2 and always gives the trolley body 1 a tendency to move upwards. In this embodiment, the caster assemblies 2 are two sets, and the damping mechanism is only installed in the front caster assembly, and the damping mechanism may be installed in both the front and rear caster assemblies in actual use. This handcart, handcart main part and truckle subassembly are articulated to install damper between the two, can alleviate the vibrations that the handcart main part received through the shock attenuation piece during the use, prevent to bear the weight of the thing impaired, reduce vibrations between each part, increase of service life.

Referring to fig. 3 to 5, the lower end of the cart body 1 is provided with a first limiting post 4, the caster assembly 2 is provided with a second limiting post 5 corresponding to the first limiting post 4, the shock absorbing member 3 is sleeved between the first limiting post 4 and the second limiting post 5, and the shock absorbing member 3 can be a shock absorbing spring. Through setting up the cooperation of first spacing post 4 and the spacing post 5 of second, can prevent that damping spring from shifting, guarantee the reliability of structure.

Referring to fig. 3 to 5, the cart body 1 is hinged to the caster assemblies 2 by a quick release mechanism. Quick detach mechanism is provided with storage tank 7 with articulated piece 6 complex including setting up articulated piece 6 at handcart main part 1 lower extreme on truckle subassembly 2, and articulated piece 6 is arranged in storage tank 7 and is connected with truckle subassembly 2 through detachable bolt 8. Wherein, the hinged block 6 and the first spacing column 4 are respectively positioned at two sides of the lower end of the trolley main body 1. The outer sides of the hinged blocks 6 are symmetrically provided with slots 9, the caster wheel assembly 2 is provided with inserting plates 10 matched with the slots 9, and the inserting plates 10 are inserted in the slots 9. Through setting up picture peg 10, can strengthen the intensity that handcart main part 1 and truckle subassembly 2 are connected, increase life. Handcart main part and truckle subassembly pass through quick detach mechanism and articulate, extract the bolt during dismantlement, just can dismantle down handcart main part and truckle subassembly, easy dismounting.

Referring to fig. 1 and 6, a cart body 1 includes a chassis folding assembly and a side frame folding assembly mounted on the chassis folding assembly, through which the chassis folding assembly can be unfolded or folded. The side frame folding component comprises a first folding frame 11 and a second folding frame 12 which are hinged with each other, one end of the base frame folding component is hinged on the first folding frame 11, and the other end of the base frame folding component is hinged on the second folding frame 12. The trolley main body 1 also comprises a supporting folding component connected with the side frame folding component; the supporting and folding assembly comprises a first U-shaped frame 13 hinged on the first folding frame 11, a second U-shaped frame 14 hinged on the second folding frame 12, and a first supporting rod 15 and a second supporting rod 16 which are hinged, wherein the end part of the first supporting rod 15 is hinged with the first folding frame 11, and the end part of the second supporting rod 16 is hinged with the second folding frame 12. The side frame folding component is arranged, the first folding frame and the second folding frame are drawn together towards the middle, the underframe folding component can be folded, folding and unfolding are convenient, and the folding chassis folding component is small in overall size, convenient to store and convenient to use after being folded.

Referring to fig. 1 and 6, the chassis folding assembly includes a first chassis 17 and a second chassis 18 hinged to each other, the first chassis 17 being hinged to the first folding frame 11 at an end thereof, and the second chassis 18 being hinged to the second folding frame 12 at an end thereof. The cart body 1 further comprises a pull rod assembly 19, and the pull rod assembly 19 is hinged with the second folding frame 12.

When folding, the first folding frame 11 and the second folding frame 12 are drawn close to the middle, the first chassis 17 and the second chassis 18 are drawn close to the middle under the driving of the first folding frame 11 and the second folding frame 12, and the first support rod 15 and the second support rod 16 are drawn close to the middle; the first U-shaped frame 13 is then pivoted towards the first folding frame 11 and the first U-shaped frame 14 is pivoted towards the second folding frame 12.

According to the trolley with the damping mechanism, the trolley main body is hinged with the caster wheel assembly, the damping mechanism is arranged between the trolley main body and the caster wheel assembly, and when the trolley is used, the vibration borne by the trolley main body can be relieved through the damping piece, so that a load is prevented from being damaged, the vibration among all the parts is reduced, and the service life is prolonged; the trolley main body and the caster wheel assembly are hinged through the quick-release mechanism, and the trolley main body and the caster wheel assembly can be detached by pulling out the bolt during detachment, so that the disassembly and the assembly are convenient; the side frame folding component is arranged, the underframe folding component can be folded by drawing the first folding frame and the second folding frame towards the middle, the folding and the unfolding are convenient, and the folded whole body has small volume, is convenient to store and use; the supporting and folding assembly is arranged, so that the supporting strength can be effectively increased, the bearing capacity of the vehicle body is improved, and the service life is prolonged; the supporting folding component can be folded and unfolded along with the side frame folding component, and is convenient to store; the defect that the existing trolley has no damping mechanism and is large in size after being folded is overcome.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A trolley with a shock absorbing mechanism comprising a trolley body (1) and a castor assembly (2) mounted at the lower end of the trolley body (1), characterized in that: a damping mechanism is arranged between the caster wheel assembly (2) and the trolley main body (1), and is used for damping the vibration of the trolley main body (1); the shock absorption mechanism comprises a shock absorption piece (3), wherein the shock absorption piece (3) is supported between the trolley main body (1) and the caster wheel assembly (2) in an abutting mode, and the trolley main body (1) always tends to move upwards.

2. A cart having a shock absorbing mechanism as recited in claim 1, wherein: the lower extreme of handcart main part (1) is provided with first spacing post (4), be provided with on truckle subassembly (2) with spacing post (5) of first spacing post (4) corresponding second, damper (3) overcoat is in first spacing post (4) with between spacing post (5) of second.

3. A cart having a shock absorbing mechanism as recited in claim 1, wherein: the damping piece (3) is a damping spring.

4. A cart having a shock absorbing mechanism as recited in claim 1, wherein: the trolley main body (1) is hinged with the caster wheel component (2) through a quick-release mechanism.

5. A cart having a shock absorbing mechanism as recited in claim 4, wherein: the quick-release mechanism comprises an articulated block (6) arranged at the lower end of the trolley main body (1), a containing groove (7) matched with the articulated block (6) is formed in the trundle component (2), and the articulated block (6) is arranged in the containing groove (7) and is connected with the trundle component (2) through a detachable bolt (8).

6. A cart having a shock absorbing mechanism as recited in claim 5, wherein: the outside symmetry of articulated piece (6) is provided with slot (9), be provided with on truckle subassembly (2) with slot (9) complex picture peg (10), picture peg (10) are pegged graft in slot (9).

7. A cart having a shock absorbing mechanism as recited in claim 1, wherein: the trolley main body (1) comprises a bottom frame folding component and a side frame folding component arranged on the bottom frame folding component; the side frame folding assembly comprises a first folding frame (11) and a second folding frame (12) which are hinged with each other, one end of the base frame folding assembly is hinged on the first folding frame (11), and the other end of the base frame folding assembly is hinged on the second folding frame (12).

8. A cart having a shock absorbing mechanism as recited in claim 7, wherein: the trolley main body (1) also comprises a supporting folding component connected with the side frame folding component; the supporting and folding assembly comprises a first U-shaped frame (13) hinged to the first folding frame (11), a second U-shaped frame (14) hinged to the second folding frame (12), a first supporting rod (15) and a second supporting rod (16), wherein the first supporting rod (15) is hinged to the first folding frame (11), the end portion of the first supporting rod (15) is hinged to the first folding frame (11), and the end portion of the second supporting rod (16) is hinged to the second folding frame (12).

9. A cart having a shock absorbing mechanism as recited in claim 7, wherein: the chassis folding assembly comprises a first chassis (17) and a second chassis (18) which are hinged with each other, wherein the end part of the first chassis (17) is hinged on the first folding frame (11), and the end part of the second chassis (18) is hinged on the second folding frame (12).

10. A cart having a shock absorbing mechanism as recited in claim 7, wherein: the trolley main body (1) further comprises a pull rod assembly (19), and the pull rod assembly (19) is hinged to the second folding frame (12).