CN203581041U

CN203581041U - Trolley

Info

Publication number: CN203581041U
Application number: CN201320640648.6U
Authority: CN
Inventors: 王庆
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2013-10-17
Filing date: 2013-10-17
Publication date: 2014-05-07
Anticipated expiration: 2023-10-17

Abstract

The utility model provides a trolley. The trolley comprises a trolley frame with an unfolded position and a folded position; the trolley frame comprises a lower support, a pushing rod and a supporting rod, wherein the other end of the supporting rod is rotationally connected with the lower support through a sliding part, and the sliding part can be arranged on the lower support in a sliding mode in the length direction of the lower support. When the trolley is located at the unfolded position, the lower support, the pushing rod and the supporting rod constitute a triangle; a user only need exert downward pressure on the pushing rod at the moment so that the trolley can be located at the folded position; when the trolley is located at the folded position, the lower support, the pushing rod and the supporting rod are closed up and are roughly in parallel with one another. The trolley frame is further provided with an energy storage device and a locking device, the energy storage device can drive the trolley frame to be automatically switched to the unfolded position from the folded position, and the locking device is used for locking the trolley frame at the unfolded position and the folded position.

Description

A kind of go-cart

Technical field

The utility model patent relates to a kind of go-cart, especially a kind of go-cart of being convenient to automatically switch into from folded state deployed condition.

Background technology

In prior art, a lot of go-carts all have the folding function with launching, but can not automatically from folded state, switch to deployed condition, even if there are some go-carts to be provided with Automatic-expanding function, the method of its Automatic-expanding is often comparatively loaded down with trivial details, also inconvenient for the user.

Utility model content

In order to overcome the defect of prior art, the purpose of this utility model is to provide a kind of go-cart, comprise the vehicle frame with expanded position and folding position, described vehicle frame comprises the lower bracket with wheel, the anterior push rod that is connected to rotationally described lower bracket front end, the strut bar that one end and described push rod are rotationally connected, the other end of described strut bar is connected with described lower bracket rotationally by a sliding part, described sliding part can be slidably arranged in along the length direction of described lower bracket on described lower bracket, when described go-cart is during in described expanded position, described lower bracket, described push rod and described strut bar form triangle, when described go-cart is during in described folding position, described lower bracket, described push rod and described strut bar mutually draw close and three between almost parallel, on described vehicle frame, be also provided with the accumulator of described sliding part along the elastic-restoring force of described lower bracket length direction can be provided, for described vehicle frame being locked in respectively to the blocking device of described expanded position and described folding position.

Preferably, described lower bracket offers chute along its length, and described sliding part is sliding pin, and described sliding pin is arranged in described chute slidably, and the axial line of described sliding pin distributes along the left and right directions of described go-cart.

Preferably, described blocking device at least comprises for described vehicle frame being locked in to the first lockout mechanism of described expanded position, described the first lockout mechanism comprises the grab of being located in described lower bracket, and when described go-cart is during in described expanded position, described grab hooks described sliding part.

Preferably, described blocking device at least comprises for described vehicle frame being locked in to the second lockout mechanism of described folding position, described the second lockout mechanism comprises the latch hook be located at rotationally on described push rod, is located at the locking column on described lower bracket, when described go-cart is during in described folding position, described latch hook hooks described locking column.

Preferably, described accumulator is spring, and described spring one end connects described lower bracket, and the other end connects described sliding part.

Preferably, described vehicle frame is provided with damping arrangement, and when described accumulator drives described sliding part to move along the length direction of described lower bracket, described damping arrangement keeps described sliding part uniform movement.

Preferably, described push rod comprises lower push-rod, is located in the upper push-rod in described lower push-rod, one end of described lower push-rod and described lower bracket are rotationally connected, and one end of described strut bar is connected on described lower push-rod rotationally, and described upper push-rod can slide along the length direction of described lower push-rod.

Compared to prior art, the utility model go-cart tool has the following advantages: simple in structure, easy to operate, and when needs only need press push rod downwards during by go-cart vehicle frame folding, while opening, there is accumulator to automatically reset, applied widely.

Accompanying drawing explanation

Accompanying drawing 1 is the expanded position schematic diagram of the utility model go-cart;

Accompanying drawing 2 is the half-lap position view of the utility model go-cart;

Accompanying drawing 3 is the folding position schematic diagram of the utility model go-cart.

In accompanying drawing:

100-vehicle frame;

1-lower bracket, 2-push rod, 3-strut bar, 4-sliding part, 5-latch hook, 6-accumulator;

11-chute, 12-locking column;

21-lower push-rod, 22-upper push-rod.

The specific embodiment

Below in conjunction with accompanying drawing, to being preferred embodiment elaborated of the utility model go-cart, the working direction of definition go-cart is the place ahead.

Accompanying drawing 1-3 is the schematic diagram of the utility model go-cart under each different conditions.This go-cart comprises vehicle frame 100, and vehicle frame 100 has expanded position and folding position.The bottom of vehicle frame 100 is provided with lower bracket 1, lower bracket 1 is provided with wheel, the lower end of the front end of lower bracket 1 and push rod 2 is rotationally connected, the middle part of one end of strut bar 3 and push rod 2 is rotationally connected, the other end and lower bracket 1 are rotationally connected by sliding part 4, and sliding part 4 can slide along the length direction of lower bracket 1.In an embodiment, in order to make go-cart convenient when folding, volume after folding is less, push rod 2 is designed to the form of expansion link, be that push rod 2 is comprised of lower push-rod 21 and upper push-rod 22, upper push-rod 22 is located in lower push-rod 21 slippingly, and upper push-rod 22 can be retracted in lower push-rod 21 during in folding position at vehicle frame 100 like this.

Sliding part 4 adopts sliding pin in the present embodiment, along the length direction of lower bracket 1, offer a chute 11 exactly specifically, sliding pin is located in chute 11 slidably, the axial line of sliding pin distributes along the left and right directions of go-cart simultaneously, in the accompanying drawings, the left and right directions of go-cart is just perpendicular to the direction of paper.

On vehicle frame 100, be also provided with accumulator 6, as shown in accompanying drawing 1-3, this accumulator can be used spring, is located at the inside of lower bracket 1, in order to the elastic-restoring force of sliding part 4 along lower bracket 1 length direction to be provided; On vehicle frame 100, be also provided with blocking device, in the present embodiment, blocking device comprises for vehicle frame 100 being locked in to the first lockout mechanism of expanded position and vehicle frame 100 being locked in to the second lockout mechanism of folding position simultaneously.

When normal use, the expanded position that go-cart illustrates in accompanying drawing 1, now sliding part 4 slides backwards on the rear end of chute 11, by the first lockout mechanism (not shown in FIG.) on vehicle frame 100, sliding part 4 is fixed.Here the first lockout mechanism can adopt the snap fit of being located in lower bracket 1, when sliding part 4 slides into chute 11 rear end, to exert oneself a little, snap fit will hook sliding part 4, in addition the auxiliary pushing effect of 6 pairs of sliding parts 4 of accumulator, to realize the locking to expanded position.Certain the first lockout mechanism is also not limited to snap fit, as long as sliding part 4 can be fixed on to the technological means of chute 11 rear ends, all can be used for this.

When needs are folding by vehicle frame 100, first remove the locking of the first lockout mechanism to sliding part 4, then push rod 2 is applied to downward pressure, this pressure need to overcome the elastic potential energy of accumulator 6, strut bar 3 can drive sliding part 4 to travel forward along chute 11 because being subject to component forward of a level like this, strut bar 3 also can drive push rod 2 to draw close to lower bracket 1 simultaneously, and what accompanying drawing 2 illustrated is exactly the state in the process of drawing close, and is also semi-collapsed condition; When between lower bracket 1, push rod 2 and strut bar 3 threes when almost parallel, the folding position that vehicle frame 100 also illustrates in accompanying drawing 3, folding process is complete.In order to make the vehicle frame 100 also can be in stabilized conditions at folded state, on vehicle frame 100, be provided with the second lockout mechanism, comprise latch hook 5, locking column 12, latch hook 5 is located on push rod 2, locking column 12 is located on lower bracket 1, when vehicle frame 100 is during in folding position, latch hook 5 just can hook locking column 12, has so just kept the stabilized conditions of folding position.At vehicle frame 100, from deployed condition, become the process of folded state accumulator 6 storage elasticity potential energy; When vehicle frame 100 is during in folded state, accumulator 6 has stored maximum elastic potential energy, but due to the locking of the second lockout mechanism, vehicle frame 100 is still stable.

When needs return to deployed condition by vehicle frame 100, only need to remove the locking of the second lockout mechanism, accumulator 6 will discharge elastic potential energy automatically, directly promotes sliding part 4 and slides backward along the length direction of chute 11, and then make whole vehicle frame 100 Automatic-expandings; When sliding part 4 slides into the rear end of chute 11, because inertia touches the first lockout mechanism automatically, make it pin sliding part 4, make whole vehicle frame 100 be stabilized in expanded position by the first lockout mechanism.Meanwhile, more preferably, can on vehicle frame 100, set up damping arrangement, this damping arrangement is controlled sliding part 4 and is remained at the uniform velocity when sliding, and can prevent like this excessive velocities of vehicle frame 100 Automatic-expandings and gets to user, has improved the safety performance of go-cart.

Compared to prior art, the technical solution of the utility model is simple, and user is easy to operate, can freely between expanded position and folding position, to go-cart, switch.

Above-described embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.

Claims

1. a go-cart, comprise the vehicle frame (100) with expanded position and folding position, it is characterized in that: described vehicle frame (100) comprises the lower bracket (1) with wheel, front portion is connected to the push rod (2) of described lower bracket (1) front end rotationally, the strut bar (3) that one end and described push rod (2) are rotationally connected, the other end of described strut bar (3) is connected with described lower bracket (1) rotationally by a sliding part (4), described sliding part (4) can be slidably arranged in along the length direction of described lower bracket (1) on described lower bracket (1), when described go-cart is during in described expanded position, described lower bracket (1), described push rod (2) forms triangle with described strut bar (3), when described go-cart is during in described folding position, described lower bracket (1), described push rod (2) and described strut bar (3) mutually draw close and three between almost parallel, on described vehicle frame (100), be also provided with the accumulator (6) of described sliding part (4) along the elastic-restoring force of described lower bracket (1) length direction can be provided, for described vehicle frame (100) being locked in respectively to the blocking device of described expanded position and described folding position.

2. go-cart according to claim 1, it is characterized in that: described lower bracket (1) offers chute (11) along its length, described sliding part (4) is sliding pin, described sliding pin is arranged in described chute (11) slidably, and the axial line of described sliding pin distributes along the left and right directions of described go-cart.

3. go-cart according to claim 1, it is characterized in that: described blocking device at least comprises for described vehicle frame being locked in to the first lockout mechanism of described expanded position, described the first lockout mechanism comprises the grab of being located in described lower bracket (1), when described go-cart is during in described expanded position, described grab hooks described sliding part (4).

4. go-cart according to claim 1, it is characterized in that: described blocking device at least comprises for described vehicle frame being locked in to the second lockout mechanism of described folding position, described the second lockout mechanism comprises the latch hook (5) be located at rotationally on described push rod, is located at the locking column (12) on described lower bracket (1), when described go-cart is during in described folding position, described latch hook (5) hooks described locking column (12).

5. go-cart according to claim 1, is characterized in that: described accumulator (6) is spring, and described spring one end connects described lower bracket (1), and the other end connects described sliding part (4).

6. go-cart according to claim 1, it is characterized in that: described vehicle frame (100) is provided with damping arrangement, when described accumulator (6) drives described sliding part (4) along length direction when motion of described lower bracket (1), described damping arrangement keeps roughly uniform movement of described sliding part (4).

7. go-cart according to claim 1, it is characterized in that: described push rod (2) comprises lower push-rod (21), is located in the upper push-rod (22) in described lower push-rod (21), one end of described lower push-rod (21) and described lower bracket (1) are rotationally connected, it is upper that one end of described strut bar (3) is connected to described lower push-rod (21) rotationally, and described upper push-rod (22) can slide along the length direction of described lower push-rod (21).