CN213354438U

CN213354438U - Convenient locking's car shelves small handcart

Info

Publication number: CN213354438U
Application number: CN202022237416.9U
Authority: CN
Inventors: 顾明; 徐明华; 张礼峰
Original assignee: Suzhou Ganghua Gas Co ltd
Current assignee: Suzhou Ganghua Gas Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-04
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a make things convenient for car shelves small handcart of padlock, it includes the dolly base, sets up preceding travelling wheel, the setting of dolly base front end both sides are in the back walking wheel and the stopping mechanism of dolly base rear end both sides, the dolly base includes a supporting shaft, back walking wheel sets up the both ends of supporting shaft, the stopping mechanism is in including fixed the fixed gear that supports epaxial, the movable rod that can up-and-down motion, setting are in the movable rod bottom and through the up-and-down motion with the stopping tooth piece of fixed gear meshing chucking. The utility model discloses can be quick pin the dolly, prevent that it from taking place to fall back, easy operation is convenient, and safer.

Description

Convenient locking's car shelves small handcart

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the small handcart, especially, relate to a car shelves small handcart of convenient lock.

[ background of the invention ]

When LNG tank cars are unloaded or other large trucks arrive at a station for gas filling, common sleeper pads are used on two sides of wheels to prevent the vehicles from moving, and the sleepers are heavy, inconvenient to operate and easy to damage.

Therefore, there is a need to provide a new and convenient locking trolley to solve the above problems.

[ Utility model ] content

A primary object of the utility model is to provide a make things convenient for car shelves small handcart of only locking, can be quick pin the dolly, prevent that it from taking place to fall back, easy operation is convenient, and safer.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a make things convenient for car shelves small handcart of padlock, it includes dolly base, sets up preceding walking wheel, the setting of dolly base front end both sides are in the back walking wheel and the stopping mechanism of dolly base rear end both sides, the dolly base includes a supporting shaft, back walking wheel sets up the both ends of supporting shaft, the stopping mechanism is including fixed the setting is in but the epaxial fixed gear of back, up-and-down motion's movable rod, setting are in the movable rod bottom and through the up-and-down motion with the stopping gear piece of fixed gear meshing chucking.

Further, still include the shallow handrail.

Furthermore, the stopping mechanism comprises a pair of support rods fixed on the trolley base, the movable rod is movably arranged in the support rods up and down, a lever support seat is arranged on the support rods, one end of the trolley handrail is hinged with the upper end of the movable rod, and the end of the trolley handrail is close to a set position and hinged with the lever support seat.

Furthermore, the support rod is of a hollow structure, and a locking spring for pressing the movable rod downwards is further arranged inside the support rod.

Furthermore, the trolley base comprises a left supporting piece, a right supporting piece and a connecting piece for connecting the left supporting piece and the right supporting piece.

Furthermore, it is a pair of preceding driving wheels sets up respectively through an elasticity coupling assembling left side support piece right side support piece's the outside, the back shaft is through a pair of elasticity coupling assembling sets up on the connecting piece.

Furthermore, the elastic connection assembly comprises a support plate fixed on the trolley base, a connecting rod hung on the support plate, a connecting block fixed at the bottom of the connecting rod, and a buffer spring sleeved on the connecting rod, wherein one end of the buffer spring abuts against the support plate, and the other end of the buffer spring abuts against the connecting block.

Furthermore, the mounting bracket of the front travelling wheel is fixed on the connecting block; the supporting shaft is fixedly connected with the connecting block through a shaft sleeve structure.

Furthermore, a mounting sleeve is arranged on the supporting rod, and the trolley further comprises a parking indication warning board which is rotatably inserted into the mounting sleeve.

Compared with the prior art, the utility model relates to a convenient car shelves small handcart of only locking's beneficial effect lies in: the special integrated wheel retaining trolley is made of all-metal materials, and the wheels are designed with spring type pressure-proof supports, so that the damage of a tank car to the trolley is reduced when a car stop is not removed in time due to human errors; the trolley automatically realizes the parking function by utilizing the dead weight of the handle, and is convenient to operate, safe and reliable; the handlebar is provided with an automatic parking mechanism and a parking indicator board for warning a driver; the operation is simple, easy and safe.

[ description of the drawings ]

Fig. 1 is a schematic side view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention;

FIG. 3 is a schematic side sectional view of a partial structure of an embodiment of the present invention;

FIG. 4 is a schematic view of a cross-sectional, partially enlarged structure of an embodiment of the present invention;

fig. 5 is a schematic structural view of an elastic connection assembly in an embodiment of the present invention;

FIG. 6 is a schematic structural view of a parking indicator warning sign according to an embodiment of the present invention;

the figures in the drawings represent:

100 a small trolley with a convenient locking device;

1, a trolley base, 11 support shafts, 12 left support pieces, 13 right support pieces and 14 connecting pieces; 2 front traveling wheels; 3, rear traveling wheels; 4, a stopping mechanism, 41 fixed gears, 42 movable rods, 43 stopping tooth blocks, 44 support rods, 45 lever support seats and 46 installation sleeves; 5, a cart handrail; 6 elastic connecting assembly, 61 supporting plate, 62 connecting rod, 63 connecting block and 64 buffer spring; 7 stop indication warning board.

[ detailed description ] embodiments

The first embodiment is as follows:

referring to fig. 1 to 6, the car stop trolley 100 of the present embodiment includes a trolley base 1, front traveling wheels 2 disposed on two sides of a front end of the trolley base 1, rear traveling wheels 3 disposed on two sides of a rear end of the trolley base 1, and a stopping mechanism 4, wherein the trolley base 1 includes a supporting shaft 11, the rear traveling wheels 3 are disposed on two ends of the supporting shaft 11, the stopping mechanism 4 includes a fixed gear 41 fixedly disposed on the supporting shaft 11, a movable rod 42 capable of moving up and down, and a stopping tooth block 43 disposed at a bottom end of the movable rod 42 and engaged and clamped with the fixed gear 41 by moving up and down.

In the embodiment, the engagement and separation of the stopping tooth block 43 and the fixed gear 41 can be realized by driving the movable rod 42 to move up and down, and when the stopping tooth block 43 is engaged with the fixed gear 41, the fixed gear 41 cannot rotate, so that the supporting shaft 11 is locked, the rear travelling wheel 3 cannot rotate, and the stopping function is realized; when the backstop gear block 43 is separated from the fixed gear 41, the fixed gear 41 can be normally rotated, and thus, the vehicle can be normally driven.

In this embodiment, a cart handle 5 is also included.

The stopping mechanism 4 further comprises a pair of support rods 44 fixed on the trolley base 1, the movable rod 42 is movably arranged in the support rods 44 up and down, a lever support seat 45 is arranged on the support rods 44, one end of the trolley handrail 5 is hinged with the upper end of the movable rod 42, and the position close to the set end is hinged with the lever support seat 45. When a hand is placed on the trolley handrail 5, one end of the trolley handrail 5, which is positioned on the lever supporting seat 45, rotates downwards, the other end drives the movable rod 42 to pull upwards, the backstop gear block 43 positioned below the movable rod 42 is separated from the fixed gear 41, and the small trolley can move normally; when the hand leaves the cart handrail 5, the movable rod 42 moves downwards under the action of the dead weight, the backstop gear block 43 is meshed with the fixed gear 41, the fixed gear 41 is limited to roll, and the parking function is realized.

The support rod 44 is a hollow structure, and in order to ensure the stopping function of the trolley, a locking spring (not shown) for pressing the movable rod 42 downwards is further arranged inside the support rod 44.

In this embodiment, the cart base 1 includes a left support member 12, a right support member 13, and a connecting member 14 connecting the left support member 12 and the right support member 13.

The pair of front road wheels 2 are respectively arranged on the outer sides of the left support member 12 and the right support member 13 through the elastic connection assembly 6, and the support shaft 11 is arranged on the connecting member 14 through the pair of elastic connection assemblies 6. The elastic connecting assembly 6 comprises a supporting plate 61 fixed on the trolley base 1, a connecting rod 62 hung on the supporting plate 61, a connecting block 63 fixed at the bottom of the connecting rod 62, and a buffer spring 64 sleeved on the connecting rod 62 and having one end abutting against the supporting plate 61 and the other end abutting against the connecting block 63. The mounting bracket of the front road wheel 2 is fixed on the connecting block 63; the supporting shaft 11 is fixedly connected with the connecting block 63 through a shaft sleeve structure, so that the elastic floating function of the walking wheel is realized. The trolley is prevented from being crushed when the tank car moves.

The support rod 44 is provided with a mounting sleeve 46, and the embodiment further comprises a parking indication warning board 7 rotatably inserted into the mounting sleeve 46.

The small handcart is parked at a working site, when the vehicle is parked in place, a worker pushes the small handcart to the lower part of the vehicle, the wheels of the small handcart are limited to move back and forth by the meshing of the retaining tooth blocks 43 and the fixed gear 41, the automatic parking function is realized, and the rotary parking indication warning board 7 warns a driver to 'do not move the vehicle'.

According to the convenient-to-lock stop trolley 100, the special integrated wheel stopping trolley is used, the trolley is made of all-metal materials, and the wheels are designed with spring type pressure-proof supports, so that the damage of a tank car to the trolley caused by human error when the stop is not removed in time can be greatly reduced; the trolley automatically realizes the parking function by utilizing the dead weight of the handle, and is convenient to operate, safe and reliable; the handlebar is provided with an automatic parking mechanism and a parking indicator board for warning a driver; the operation is simple, easy and safe.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a make things convenient for car shelves small handcart of lock which characterized in that: it includes the dolly base, sets up preceding driving wheel, the setting of dolly base front end both sides are in the back walking wheel and the stopping mechanism of dolly base rear end both sides, the dolly base includes a supporting shaft, back walking wheel sets up the both ends of supporting shaft, stopping mechanism is including fixed the setting is in but the epaxial fixed gear of back, up-and-down motion's movable rod, setting are in the movable rod bottom and through the up-and-down motion with the stopping tooth piece of fixed gear meshing chucking.

2. The easy-to-lock bumper trolley according to claim 1, wherein: also comprises a cart handrail.

3. The easy-to-lock bumper trolley according to claim 2, wherein: the stopping mechanism comprises a pair of supporting rods fixed on the trolley base, the movable rod is movably arranged in the supporting rods up and down, a lever supporting seat is arranged on the supporting rods, one end of the trolley handrail is hinged with the upper end of the movable rod, the upper end of the movable rod is close to the end, the end is set, and the lever supporting seat is hinged with the lever supporting seat.

4. The easy-to-lock bumper trolley according to claim 3, wherein: the support rod is of a hollow structure, and a locking spring for pressing the movable rod downwards is further arranged inside the support rod.

5. The easy-to-lock bumper trolley according to claim 1, wherein: the trolley base comprises a left supporting piece, a right supporting piece and a connecting piece for connecting the left supporting piece and the right supporting piece.

6. The easy-to-lock bumper trolley according to claim 5, wherein: the front traveling wheels are respectively arranged on the outer sides of the left supporting piece and the right supporting piece through an elastic connecting assembly, and the supporting shaft is arranged on the connecting piece through a pair of elastic connecting assemblies.

7. The easy-to-lock bumper trolley according to claim 6, wherein: the elastic connection assembly comprises a support plate fixed on the trolley base, a connecting rod hung on the support plate, a connecting block fixed at the bottom of the connecting rod, and a buffer spring sleeved on the connecting rod, wherein one end of the buffer spring abuts against the other end of the support plate, and the other end of the buffer spring abuts against the connecting block.

8. The easy-to-lock bumper trolley according to claim 7, wherein: the mounting bracket of the front travelling wheel is fixed on the connecting block; the supporting shaft is fixedly connected with the connecting block through a shaft sleeve structure.

9. The easy-to-lock bumper trolley according to claim 3, wherein: the trolley is characterized in that the supporting rod is provided with an installation sleeve, and the trolley further comprises a parking indication warning board which is rotatably inserted into the installation sleeve.