CN217022591U

CN217022591U - Folding vehicle bottom structure of lifting trolley

Info

Publication number: CN217022591U
Application number: CN202220952963.1U
Authority: CN
Inventors: 章晓霞
Original assignee: Zhejiang Huyi Intelligent Equipment Co ltd
Current assignee: Zhejiang Huyi Intelligent Equipment Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-07-22
Anticipated expiration: 2032-04-22

Abstract

The utility model provides a folding type vehicle bottom structure of a lifting trolley, which comprises a vehicle frame, a handle and a locking assembly, wherein wheels are arranged on the periphery of the lower end of the vehicle frame, fixed blocks are symmetrically fixed on the front side and the rear side of the right end of the vehicle frame, the locking assembly is arranged on the two fixed blocks, each fixed block consists of a connecting block, a baffle plate and two side plates which are symmetrically arranged in the front and the rear direction, the left ends of the two side plates are connected through the connecting block and the baffle plate, the lower end of the handle is rotatably connected between the two side plates through a first rotating shaft, and a limiting column which is positioned below the first rotating shaft and matched with the locking assembly is arranged at the lower end of the handle. The utility model has the advantages that: the handle is simple and reliable in structure, cannot topple over when unfolded, can be folded after being unlocked, and is convenient to store.

Description

Foldable vehicle bottom structure of lifting trolley

Technical Field

The utility model relates to a lifting trolley, in particular to a folding type trolley bottom structure of the lifting trolley.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. While the technology of cart materials handling continues to advance, carts continue to be used as an indispensable handling tool. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance.

General handcart can set up handle and objective table, sets up hydraulic jack between vehicle bottom and objective table, realizes raising the objective table through trampling the mode, realizes descending the objective table through the cable, but the handle is higher, and the shared volume of handcart is too big like this, is unfavorable for depositing in the corner in room.

SUMMERY OF THE UTILITY MODEL

【1】 Technical problem to be solved

The utility model aims to solve the technical problem of providing a folding type vehicle bottom structure of a lifting trolley, which has a simple and reliable structure, does not topple over when a handle is unfolded, can be folded after being unlocked and is convenient to store.

【2】 Means for solving the problems

The utility model provides a folding type vehicle bottom structure of a lifting trolley, which comprises a frame, a handle and a locking assembly, wherein wheels are arranged on the periphery of the lower end of the frame, fixed blocks are symmetrically fixed on the front side and the rear side of the right end of the frame, the locking assembly is arranged on the two fixed blocks, each fixed block consists of a connecting block, a baffle plate and two side plates which are symmetrically arranged in the front and the rear direction, the left ends of the two side plates are connected through the connecting block and the baffle plate, the lower end of the handle is rotatably connected between the two side plates through a first rotating shaft, a limiting column which is positioned below the first rotating shaft and matched with the locking assembly is arranged at the lower end of the handle, when the handle is unfolded, the left side of the lower end of the handle abuts against the right end face of the baffle plate, and the right side of the limiting column abuts against the locking assembly; after the locking assembly is unlocked, the handle is folded and abuts against the upper end face of the baffle.

The handle is unfolded for pushing, the left side of the lower end of the handle abuts against the right end face of the baffle, and the right side of the limiting column abuts against the locking assembly, so that the handle cannot be toppled down, and the trolley is convenient to use; after the locking assembly is unlocked, the handle can be folded after being turned down, and the lower end face of the handle abuts against the upper end face of the baffle under the action of the gravity of the handle, so that the handle is convenient to store.

Further preferred embodiments of the present invention: the locking assembly comprises an unlocking rod, the left end and the right end of the unlocking rod are symmetrically provided with supporting blocks abutted to the limiting columns, the supporting blocks are rotatably connected between the two side plates through a second rotating shaft, and a torsion spring connected with the supporting blocks and the side plates is sleeved outside the second rotating shaft.

When the handle is unfolded for pushing, the left side of the lower end of the handle abuts against the right end face of the baffle, the right side of the limiting column abuts against the left end face of the abutting block, the handle cannot fall down, and the trolley is convenient to use; the foot steps on the unblock pole, supports the piece and rotates clockwise, supports the piece and no longer supports spacing post, and behind the handle unblock, the handle just can be fallen anticlockwise and fold, and under the effect of handle gravity, the lower terminal surface of handle supports in the up end of baffle, is convenient for accomodate.

Further, the second rotating shaft is located at the lower right side of the first rotating shaft, and the first rotating shaft is located at the upper right side of the baffle.

It can be understood that the arrangement can be convenient for workers to step on the unlocking rod by feet, is beneficial to abutting the limiting column and the abutting block and is convenient for abutting the baffle plate when the handle is unfolded and folded.

Furthermore, the middle part of the unlocking rod is provided with a bending part, and when the handle is unfolded, the bending part is inwards concave towards the right and is in a horizontal state.

It can be understood that, when the unlocking rod is treaded by the foot, the joint of the unlocking rod and the resisting block has a certain distance (the distance is also called as a force arm) with the second rotating shaft, and the treading of the foot on the bending part is easy.

Further, the baffle is arranged in a manner of inclining from the upper right to the lower left.

It can be understood that the inclined direction of the baffle is almost the inclined direction when the handle is unfolded, so that the baffle can be conveniently pushed by workers, and the inclined angle of the baffle can be adjusted more as required.

Furthermore, the frame includes the L type angle bar that bilateral symmetry set up, two be connected with two rectangular that the longitudinal symmetry set up between the angle bar.

It can be understood that the angle iron and the strip are simple and practical in structure, the production and manufacturing process is not complex, and the cost is saved.

Furthermore, the wheels comprise two steering wheels which are rotatably arranged at the lower end of the angle iron and close to one side of the handle, and two straight wheels which are fixed at the lower end of the angle iron at the other side through screws.

It can be understood that the steering wheel has a braking function and can change the direction, the steering wheel and the handle are arranged on the same side, so that the steering wheel and the handle are convenient for workers to use, the brake and the cart can be carried out only by standing on one side of the handle, and the direction does not need to be changed.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view of the present invention when folded;

fig. 6 is an enlarged view of a portion B of fig. 4.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, the utility model provides a folding type vehicle bottom structure of a lifting trolley, which comprises a frame 1, a handle 4 and a locking assembly, wherein wheels 2 are arranged around the lower end of the frame 1, fixed blocks 3 are symmetrically fixed on the front side and the rear side of the right end of the frame 1, the locking assembly is arranged on the two fixed blocks 3, each fixed block 3 consists of a connecting block, a baffle plate 3.1 and two side plates which are symmetrically arranged in front and rear directions, the left ends of the two side plates are connected through the connecting block and the baffle plate 3.1, the lower end of the handle 4 is rotatably connected between the two side plates through a first rotating shaft 5, a limiting column 4.1 which is positioned below the first rotating shaft 5 and matched with the locking assembly is arranged at the lower end of the handle 4, when the handle 4 is unfolded, the left side of the lower end of the handle 4 abuts against the right end face of the baffle plate 3.1, and the right side of the limiting column 4.1 abuts against the locking assembly; after the locking assembly is unlocked, the handle 4 is folded and abuts against the upper end face of the baffle 3.1.

The two side plates and the connecting block are fixed at the right end of the frame, the structure is stable, the space between the two side plates can be used as a movable space for the handle and the locking assembly, when the handle is unfolded for pushing, the left side of the lower end of the handle is abutted against the right end face of the baffle, and the right side of the limiting column is abutted against the locking assembly, so that the handle cannot be toppled down, and the trolley is convenient to use; after the locking assembly is unlocked, the handle can be folded after being turned down, and the lower end face of the handle abuts against the upper end face of the baffle under the action of the gravity of the handle, so that the handle is convenient to store.

The locking assembly comprises an unlocking rod 8, the left end and the right end of the unlocking rod 8 are symmetrically provided with supporting blocks 6 which are abutted to the limiting columns 4.1, the supporting blocks 6 are rotatably connected between the two side plates through second rotating shafts 7, and torsional springs for connecting the supporting blocks 6 and the side plates are sleeved outside the second rotating shafts 7.

When the handle is unfolded and used for pushing the cart, the left side of the lower end of the handle abuts against the right end face of the baffle, the right side of the limiting column abuts against the left end face of the abutting block, the handle cannot fall down, and the cart is convenient to use; the foot steps on the unblock pole, supports the piece and rotates clockwise, supports the piece and no longer supports spacing post, and behind the handle unblock, the handle just can be fallen anticlockwise and fold, and under the effect of handle gravity, the lower terminal surface of handle supports in the up end of baffle, is convenient for accomodate.

The second rotating shaft 7 is positioned at the lower right of the first rotating shaft 5, and the first rotating shaft 5 is positioned at the upper right of the baffle 3.1.

The arrangement can facilitate the feet of the working personnel to step on the unlocking rod, is beneficial to the butt of the limiting column and the abutting block and is convenient for the handle to abut against the baffle plate when being unfolded and folded.

The middle part of the unlocking rod 8 is provided with a bending part, and when the handle 4 is unfolded, the bending part is inwards concave towards the right and is horizontal.

The unlocking rod is treaded by the foot, the joint of the unlocking rod and the resisting block has a certain distance (the distance is also called a force arm) with the second rotating shaft, and the treading on the bent part by the foot is easy.

The baffle 3.1 is arranged obliquely from the upper right to the lower left.

The inclined direction of the baffle is almost the inclined direction when the handle is unfolded, so that the baffle can be conveniently pushed by workers, and the inclined angle of the baffle can be adjusted more as required.

The frame 1 comprises L-shaped angle irons 1.1 which are arranged in bilateral symmetry, and two long bars 1.2 which are arranged in front-back symmetry are connected between the two angle irons 1.1.

The angle iron and the strip are simple and practical in structure, uncomplicated in production and manufacturing process and cost-saving.

The wheel 2 comprises two steering wheels 2.1 which are rotatably arranged at the lower end of the angle iron 1.1 close to one side of the handle 4 and two straight wheels 2.2 which are fixed at the lower end of the angle iron 1.1 at the other side through screws.

The steering wheel has a braking function and can change the direction, the steering wheel and the handle are arranged on the same side, so that the steering wheel and the handle are convenient for workers to use, the brake and the cart can be carried out only by standing on one side of the handle, and the direction does not need to be changed.

The angle of inclination of the rib 3.1 is greater than 60 degrees and less than 90 degrees. The inclination angle of the baffle is almost the inclination angle when the handle is unfolded, and the baffle can be adjusted more as required.

When the handle 4 is unfolded, the limiting column 4.1 abuts against the left end face of the abutting block 6, and the left end face of the abutting block 6 is arc-shaped; when the handle 4 is folded, the lower end face of the abutting block 6 abuts against the limiting column 4.1 under the action of the torsion spring, and the abutting block 6 can reset when the handle 4 is unfolded.

The specific working process of the utility model is as follows: when the handle is unfolded for pushing, the left side of the lower end of the handle abuts against the right end face of the baffle, the right side of the limiting column abuts against the left end face of the abutting block, the force direction of the limiting column around the first rotating shaft is equivalent to the tangential direction of a circle formed by the limiting column through the first rotating shaft, and the direction of the force and the contact point of the abutting block and the limiting column are close to the direction of the second rotating shaft, so that the abutting block is difficult to rotate by the force, as shown in fig. 6, and the handle cannot fall down due to the acting force of a torsion spring, and the handle is convenient to use, as shown in fig. 2, 3 and 4; the foot steps on the portion of bending of unblock pole, support the piece clockwise rotation, support the piece and no longer support spacing post, behind the handle unblock, the handle just can fall down anticlockwise folding, under the effect of handle gravity, the lower terminal surface of handle supports in the up end of baffle, support the lower terminal surface of piece and support in spacing post under the effect of torsional spring in addition, make folding more reliable and stable, and be convenient for accomodate, as shown in fig. 5, in-process at follow-up handle expansion, support the in-process that the piece reset anticlockwise, support the border of piece lower extreme and can not touch spacing post.

The above description 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 various 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. The utility model provides a foldable vehicle bottom structure of lift handcart which characterized in that: the bicycle frame comprises a frame (1), a handle (4) and a locking assembly, wherein wheels (2) are arranged on the periphery of the lower end of the frame (1), fixed blocks (3) are symmetrically fixed on the front side and the rear side of the right end of the frame (1), the locking assembly is arranged on the two fixed blocks (3), each fixed block (3) comprises a connecting block, a baffle (3.1) and two side plates symmetrically arranged in the front and rear direction, the left ends of the two side plates are connected through the connecting blocks and the baffle (3.1), the lower end of the handle (4) is rotatably connected between the two side plates through a first rotating shaft (5), a limiting column (4.1) which is positioned below the first rotating shaft (5) and matched with the locking assembly is arranged at the lower end of the handle (4), when the handle (4) is unfolded, the left side of the lower end of the handle (4) is abutted against the right end face of the baffle (3.1), the right side of the limiting column (4.1) is abutted against the locking component; after the locking assembly is unlocked, the handle (4) is folded and abuts against the upper end face of the baffle (3.1).

2. A folding chassis structure for a lift truck, as claimed in claim 1, wherein: the locking assembly comprises an unlocking rod (8), the left end and the right end of the unlocking rod (8) are symmetrically provided with a supporting block (6) abutted against the limiting columns (4.1), the supporting block (6) is rotationally connected between the two side plates through a second rotating shaft (7), and the second rotating shaft (7) is sleeved with a torsion spring which is connected with the supporting block (6) and the side plates.

3. A pushchair base structure as claimed in claim 2, wherein: the second rotating shaft (7) is located at the lower right part of the first rotating shaft (5), and the first rotating shaft (5) is located at the upper right part of the baffle (3.1).

4. A pushchair base structure as claimed in claim 2, wherein: the middle part of the unlocking rod (8) is provided with a bending part, and when the handle (4) is unfolded, the bending part is inwards concave towards the right and is in a horizontal state.

5. A folding chassis structure for a lift truck, as claimed in claim 1, wherein: the baffle (3.1) is arranged in a manner of inclining from the upper right to the lower left.

6. A pushchair base structure as claimed in claim 1, wherein: the frame (1) comprises L-shaped angle irons (1.1) which are symmetrically arranged left and right, and two long bars (1.2) which are symmetrically arranged front and back are connected between the angle irons (1.1).

7. A pushchair base structure as claimed in claim 6, wherein: the wheels (2) comprise two steering wheels (2.1) which are rotatably arranged at the lower end of the angle iron (1.1) close to one side of the handle (4) and two straight wheels (2.2) which are fixed at the lower end of the angle iron (1.1) at the other side through screws.