CN215284881U

CN215284881U - Folding tool cart

Info

Publication number: CN215284881U
Application number: CN202121647728.5U
Authority: CN
Inventors: 赵首郡; 贾玉苹
Original assignee: Shandong Baohulu Children's Products Co ltd
Current assignee: Shandong Baohulu Children's Products Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-24
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a folding tool vehicle, wherein the two ends of the lower beam of the front and the rear wheel frames are respectively provided with a front wheel and a rear wheel, the lower end of a draw bar device is movably arranged in the middle of the lower beam of the front wheel frame, the upper beam of the front wheel frame is provided with an elastic buckle, a loading frame is formed by the hinged connection of a front frame and a rear frame, the front end of the front frame is connected with the lower shaft of the front wheel frame, the rear end of the rear frame is connected with the lower shaft of the rear wheel frame, the below at load frame is equipped with folding arm, and folding arm comprises preceding folding arm, back folding arm, and the front end of preceding folding arm, the rear end of back folding arm are fixed with a commentaries on classics cover respectively, and the commentaries on classics cover of preceding folding arm, back folding arm overlaps the upright arm lower extreme of the homonymy of preceding wheel carrier, back wheel carrier respectively, and the other end of preceding folding arm, back folding arm articulates the connection, the utility model has the characteristics of simple structure is reliable, collapsible, preserve transportation convenient to use.

Description

Folding tool cart

Technical Field

The utility model belongs to the technical field of the special-purpose vehicle of tool transportation, especially, relate to a foldable tool bogie.

Background

The tool cart is widely used, the structure of the existing tool cart is relatively complex, for example, the applicant is a patent with patent number 2019200257860 and the name of invention is 'a folding tool cart', the tool cart adopts a bottom frame which is provided with wheels, four corners of the bottom frame are respectively fixed with a stand column, a front cross beam and a rear cross beam are respectively fixed between two stand columns at the front side and between two stand columns at the rear side, an upper side beam is respectively arranged between the front stand column and the rear stand column at the left side and between the front stand column and the rear stand column at the right side, the bottom cross beam is fixed between two bottom side beams to form the bottom frame, one end of each bottom side beam is connected with a bottom circular tube joint, the other end of each bottom side beam is hinged with a stand column, one end of each upper front side beam and one end of each upper rear side beam are connected with an upper circular tube joint, the other end of each vertical support is hinged with an upper circular tube joint and a bottom circular tube joint respectively, the vertical support is sleeved with the upper inclined support seats, the top ends of the two inclined supports are respectively hinged with the upper inclined support seats, and the lower ends of the two inclined supports are hinged with the lower inclined support seats at the middle parts of the bottom front side beam and the bottom rear side beam.

SUMMERY OF THE UTILITY MODEL

The utility model aims to improve the defects of the prior art and provide a foldable tool car which has simple and reliable structure, is foldable and is convenient to store, transport and use.

The utility model aims at realizing the same, a foldable tool car, including the load frame, the front wheel, rear wheel and draw bar device, its characteristics are that a front wheel is installed respectively at the bottom end of the bottom end rail of front wheel frame, the front wheel is the directive wheel, a draw bar device lower extreme movable mounting that is used for pulling the tool car motion is at the middle part of front wheel frame bottom end rail, be equipped with the elastic buckle that is used for blocking draw bar device on the entablature of front wheel frame, a rear wheel is installed respectively at the bottom end rail both ends of rear wheel frame, the load frame comprises front frame and rear frame articulated connection, the front end of front frame is connected with front wheel frame lower part hub connection, the rear end of rear frame is connected with the lower part hub connection of rear wheel frame, be equipped with folding arm in the below of load frame, folding arm comprises preceding folding arm, back folding arm, the front end of preceding folding arm, the rear end of back folding arm is fixed with a cover respectively, preceding folding arm, The rotating sleeves of the rear folding arm are respectively sleeved at the lower ends of the vertical arms at the same side of the front wheel carrier and the rear wheel carrier, and the other ends of the front folding arm and the rear folding arm are hinged.

In order to further realize the utility model discloses an aim, can be draw bar device be that the lower extreme of draw bar seat is connected with preceding wheel carrier bottom end rail through articulated seat, but draw bar movable mounting is in draw bar seat and pull or shrink, the handle sets up the upper end of draw bar, is equipped with an elastic buckle who is used for blocking the draw bar on the entablature of preceding wheel carrier.

Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the utility model discloses a front frame, the load frame that the back frame articulated constitutes, front and back wheel carrier articulates with the load frame, form collapsible structure form, below at the load frame is equipped with folding arm, folding arm hugs closely the lower surface of load frame, folding arm supports the load frame like this, when the load frame expandes, play the effect of fixed stay, combine front frame, the articulated structure that can only upwarp of back frame hinge department, make whole load frame have certain rigidity, be used for the load transportation, the front end of the front folding arm that constitutes folding arm simultaneously, back folding arm rear end passes through the swivel joint with front wheel carrier, the vertical jib of back wheel carrier respectively, also have the support fixed action to front wheel carrier, back wheel carrier, guarantee the stable in structure when expandes like this; meanwhile, the front folding arm and the rear folding arm are hinged and connected and can be folded in a plane, and when the load-carrying frame is folded, the folding arms can be folded in the plane without influencing the folding of the load-carrying frame; the pull rod device adopts a telescopic drawing structure, can be stretched to the maximum length when pulled, is convenient to pull, and is contracted when folded, so that the length is shortened and the storage is convenient. The utility model discloses compare with current folding tool bogie, simple structure, folding connection's among the prior art pipe fitting and fixed working of plastics have been saved to both sides, realize folding and expand through folding arm.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

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

Fig. 3 is a schematic view of the semi-folded state of the present invention.

Fig. 4 is a schematic view of the present invention in a fully folded state.

In the figure: 1. the device comprises a pull rod device, 2, a loading frame, 3, a front frame, 4, a rear frame, 5, a front wheel frame, 6, a rear wheel frame, 7, a front wheel, 8, a rear wheel, 9, a handle, 10, a pull rod seat, 11, a pull rod, 12, an elastic buckle, 13, a folding arm, 14, a front folding arm, 15 and a rear folding arm.

Detailed Description

A folding tool vehicle, refer to fig. 1, fig. 2, fig. 3, fig. 4, comprising a loading frame 2, front wheels 7, rear wheels 8 and a pull rod device 1, wherein two ends of a lower beam of a front wheel frame 5 are respectively provided with a front wheel 7, the front wheels 7 are steering wheels, the lower end of the pull rod device 1 for pulling the tool vehicle to move is movably arranged in the middle of the lower beam of the front wheel frame 5, an upper beam of the front wheel frame 5 is provided with an elastic buckle 12 for clamping the pull rod device 1, the pull rod device 1 is that the lower end of a pull rod seat 10 is movably connected with the lower beam of the front wheel frame 5 through a hinged seat, the pull rod 11 is movably arranged in the pull rod seat 10 and can be pulled or contracted, a handle 9 is provided with the upper end of the pull rod 11, the upper beam of the front wheel frame 5 is provided with an elastic buckle 12 for clamping the pull rod 11, two ends of the lower beam of the rear wheel frame 6 are respectively provided with a rear wheel 8 for facilitating folding, the track of the two front wheels 7 is smaller than the track of the two rear wheels 8, so that the front wheels and the rear wheels do not interfere with each other when the folding frame is folded, the load-carrying frame 2 consists of a front frame 3 and a rear frame 4, the rear end of the front frame 3 is hinged with the front end of the rear frame 4, a limiting device is arranged below the hinged part, so that the hinged part is in a horizontal state when the folding frame is unfolded and can only be folded upwards when the folding frame is folded, the front end of the front frame 3 is connected with the lower part of the front wheel carrier 5 through a rotating shaft, the rear end of the rear frame 4 is connected with the lower part of the rear wheel carrier 6 through a rotating shaft, the two connecting parts can also be provided with limiting devices, so that the front wheel carrier 5 and the rear wheel carrier 6 can only be folded relatively when the folding frame is folded, the folding arm 13 is positioned at a position close to the vertical to the load-carrying frame 2 when the folding frame is unfolded, the folding arm 13 is tightly attached to the lower surface of the load-carrying frame 2 to support the load-carrying frame 2, and the folding arm 13 is composed of a front folding arm 14, The front end of the front folding arm 14 and the rear end of the rear folding arm 15 are respectively fixed with a rotating sleeve, the rotating sleeves of the front folding arm 14 and the rear folding arm 15 are respectively sleeved at the lower ends of the vertical arms at the same side of the front wheel frame 5 and the rear wheel frame 6, and the other ends of the front folding arm 14 and the rear folding arm 15 are hinged and connected, so that the front folding arm 14 and the rear folding arm 15 can be folded in the horizontal direction at the hinged position.

When the utility model is used, in the unfolding state, referring to fig. 1, the front wheel frame 5 and the rear wheel frame 6 respectively form a vertical state with the front frame 3 and the rear frame 4, the hinged part of the front frame 3 and the rear frame 4 forms a horizontal state, and meanwhile, the front folding arm 14 and the rear folding arm 15 are completely unfolded, because the folding arm 13 is arranged below the loading frame 2, the front folding arm 14 and the rear folding arm 15 can only be folded in the horizontal plane and can not be folded in the vertical horizontal plane, thus forming a support for the loading frame, and enabling the loading frame 2 to bear the gravity in a certain range when loading; when folding, referring to fig. 3, the hinged parts of the front folding arm 14 and the rear folding arm 15 are folded in a horizontal plane, meanwhile, the hinged parts of the front frame 3 and the rear frame 4 are folded upwards, the front end of the front frame 3 and the rear end of the rear frame 4 move downwards, the front wheel frame 5 and the rear wheel frame 6 approach each other, and folding is completed, as shown in fig. 4.

Claims

1. A foldable tool cart is composed of a loading frame with front and back foldable arms, front and back wheels, and a pull rod unit with a front and back foldable sleeves respectively installed to front and back foldable arms, The lower end of the vertical arm at the same side of the rear wheel carrier is hinged with the other end of the front folding arm and the other end of the rear folding arm.

2. The foldable tool cart as claimed in claim 1, wherein the pull rod unit is a pull rod seat having a lower end connected to the lower cross beam of the front wheel frame via a hinge seat, the pull rod is movably mounted in the pull rod seat and can be pulled or retracted, the handle is provided with an upper end of the pull rod, and the upper cross beam of the front wheel frame is provided with an elastic buckle for locking the pull rod.