CN220483383U - Gravity adaptive self-adjusting floating cart - Google Patents

Abstract

The utility model discloses a weight-adaptive self-adjusting floating cart, which comprises four upright posts distributed in a square two rectangular array, wherein the centers of the upright posts are provided with bottom plates which are close to the bottoms and fixedly connected with all the upright posts, side stops are arranged between two adjacent upright posts, the bottoms of the upright posts are provided with casters, the bottom plates are provided with guide holes, guide posts are connected in a sliding manner in the guide holes, the tops of the guide posts are provided with suspension plates, the bottoms of the guide posts are provided with first brake blocks, the guide posts are sleeved with compression springs, one ends of the compression springs are propped against the suspension plates, the other ends of the compression springs are propped against the bottom plates, and the upright posts are provided with first limiting pieces for limiting the suspension plates to move upwards; the bottom plate is provided with a rope hole, the bottom of the bottom plate is provided with a bracket, the bracket is rotationally connected with a swing arm, the swing arm is provided with a long-section arm and a short-section arm, the short-section arm is provided with a follow-up second brake block, and a rope with one end connected with the cantilever plate and the other end connected with the long-section arm is penetrated in the rope hole. The cart has the characteristics of novel structure, safe and reliable use, complete overall function and strong practicability.

Description

Gravity adaptive self-adjusting floating cart

Technical Field

The utility model relates to a trolley, in particular to a weight adaptive self-adjusting floating trolley.

Background

The shallow that uses is transported to the material, and its bottom all is provided with the truckle that can shift, in order to avoid the shallow to take place freely to remove when not using, but the truckle is mostly the truckle of auto-lock brake on it. However, in actual use, the condition of forgetting to lock manually is very easy to occur, so that the cart can move freely, potential safety hazards exist, and the overall effect is poor. Accordingly, the utility model provides a gravity-adaptive self-adjusting floating trolley.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the gravity-adaptive self-adjusting floating trolley which has the characteristics of novel structure and safe and reliable use.

In order to solve the technical problems, the aim of the utility model is realized as follows: the utility model relates to a weight-adaptive self-adjusting floating cart which comprises four upright posts distributed in a square-square rectangular array, wherein a bottom plate which is close to the bottom and fixedly connected with all the upright posts is arranged in the center of each upright post, side stops are arranged between every two adjacent upright posts, casters are arranged at the bottoms of the upright posts, guide holes are formed in the bottom plate, guide posts are connected in the guide holes in a sliding manner, a suspension plate is arranged at the top of each guide post, a first brake block is arranged at the bottom of each guide post, a compression spring with one end propped against the suspension plate and the other end propped against the bottom plate is sleeved on each guide post, and a first limiting part for limiting the upward movement of the suspension plate is arranged on each upright post.

The utility model is further provided with: the rope hole is formed in the bottom plate, the support is arranged at the bottom of the bottom plate, the swing arm is connected to the support in a rotating mode and provided with a long-section arm and a short-section arm, the short-section arm is provided with a second follow-up brake block, and a rope with one end connected with the suspension plate and the other end connected with the long-section arm is penetrated in the rope hole.

The utility model is further provided with: and a second limiting part arranged on the bracket is arranged below the long section arm.

The utility model is further provided with: the guide hole is embedded with a bushing sleeved on the guide post, and the bushing is connected to the guide post in a sliding way.

The utility model is further provided with: the castor is a universal castor.

In summary, the utility model has the following beneficial effects: the weight-adaptive self-adjusting floating trolley can keep a braking state under overload and no-load conditions, avoids the position movement of the trolley during no-load, prevents potential safety hazards of the trolley caused by overload, is safe and reliable to use, has complete overall functions and strong practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

fig. 2 is a partial structural schematic of the present utility model.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present utility model, and are not limiting the patent claims of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model will be further described with reference to the drawings and preferred embodiments.

Example 1

Referring to fig. 1 and 2, a gravity adaptive self-adjusting floating cart according to this embodiment includes four columns 1 distributed in a square rectangular array, a bottom plate 2 near the bottom and fixedly connected with all columns 1 is disposed in the center of each column 1, a side baffle 3 is disposed between two adjacent columns 1, casters 4 are disposed at the bottom of each column 1, casters 4 are universal casters, guide holes 5 are disposed on the bottom plate 2, guide columns 6 are slidably connected in the guide holes 5, a suspension plate 7 is disposed at the top of each guide column 6, a first brake block 8 is disposed at the bottom of each guide column 6, a compression spring 9 with one end abutting against the suspension plate and the other end abutting against the bottom plate is sleeved on each guide column 6, and a first limiting member 10 for limiting upward movement of the suspension plate is disposed on each column 1.

Further, a rope hole 11 is formed in the bottom plate 2, a support 12 is arranged at the bottom of the bottom plate 2, a swing arm 13 is rotatably connected to the support 12, the swing arm 13 is provided with a long-section arm 131 and a short-section arm 132, a follow-up second brake block 14 is arranged on the short-section arm 132, and a rope 15 with one end connected with the suspension board and the other end connected with the long-section arm is penetrated in the rope hole 11.

In this embodiment, when the trolley is in an empty state, the compression spring 9 is opened, the suspension plate 7 is lifted, the edge of the suspension plate 7 is abutted against the first limiting part 10, the rope 15 is tensioned, the second brake block 14 is pressed on the ground through the swing arm 13 for realizing the braking of the trolley.

When the trolley is in an overload state, the compression spring 9 is contracted, the suspension plate 7 moves downwards, the rope 15 does not tighten the long-section arm 131 any more, so that the swing arm 13 swings downwards towards the end of the long-section arm 131, and the short-section arm 132 carries the second brake block 14 to swing upwards; simultaneously, the suspension plate 7 moves downwards along with the guide post 6 until the first brake block 8 is pressed on the ground, so that the trolley is braked.

Example 2

Referring to fig. 1 and 2, the gravity adaptive self-adjusting floating cart according to the present embodiment is further configured, on the basis of embodiment 1, that a second limiting member 16 provided on the bracket 12 is provided below the long arm 131.

In this embodiment, the second limiting member 16 prevents the long arm 131 from sagging to contact the ground when the rope 15 is not in tension with the long arm 131, thereby achieving a limiting effect.

Example 3

Referring to fig. 1 and 2, the weight adaptive self-adjusting floating cart according to the present embodiment is further configured, based on embodiments 1 and 2, that the guide hole 5 is embedded with a bushing (not shown) sleeved on the guide post 6, and the bushing is slidably connected to the guide post.

In this embodiment, the bushing is added to provide a guiding function when the guide post 6 slides up and down with respect to the guide hole 5.

The weight-adaptive self-adjusting floating trolley can keep a braking state under overload and no-load conditions, avoids the position movement of the trolley during no-load, prevents potential safety hazards of the trolley caused by overload, is safe and reliable to use, has complete overall functions and strong practicability.

Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional or positional relation is based on the actually shown positional or positional relation, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional or positional relation in the present utility model are merely for exemplary illustration and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to combine the embodiments and understand the specific meaning of the above terms according to the specific circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (5)

1. The utility model provides a suitable heavy self-modulation shallow that floats, is two square rectangular array distribution's stand including four, and the central authorities of stand are equipped with and are close to the bottom and realize fixed connection's bottom plate with all stands, and adjacent two be equipped with the side between the stand keeps off, the bottom of stand is equipped with truckle, its characterized in that: the bottom plate is provided with a guide hole, a guide column is connected in the guide hole in a sliding manner, the top of the guide column is provided with a suspension plate, the bottom of the guide column is provided with a first brake block, the guide column is sleeved with a compression spring, one end of the compression spring props against the suspension plate, the other end of the compression spring props against the bottom plate, and the upright column is provided with a first limiting part for limiting the suspension plate to move upwards.

2. The gravity-adapted self-adjusting floating cart of claim 1, wherein: the rope hole is formed in the bottom plate, the support is arranged at the bottom of the bottom plate, the swing arm is connected to the support in a rotating mode and provided with a long-section arm and a short-section arm, the short-section arm is provided with a second follow-up brake block, and a rope with one end connected with the suspension plate and the other end connected with the long-section arm is penetrated in the rope hole.

3. The gravity-adapted self-adjusting floating cart of claim 2, wherein: and a second limiting part arranged on the bracket is arranged below the long section arm.

4. A gravity self-adjusting floating cart according to any one of claims 1-3, wherein: the guide hole is embedded with a bushing sleeved on the guide post, and the bushing is connected to the guide post in a sliding way.

5. The gravity-adapted self-adjusting floating cart of claim 1, wherein: the castor is a universal castor.