CN212101901U - Simple and easy portable elevating system - Google Patents

Abstract

The utility model discloses a simple and portable lifting mechanism, which comprises a pedal plate (1), a first L-shaped chute plate (2) and a second L-shaped chute plate (27) fixed at the bottom of the pedal plate, and a roller (3) fixed in the first L-shaped chute plate (2), wherein a chain plate (23) is connected on the chute plate by the roller, and the chain plate are sequentially connected by a threaded hollow pipe (24); a scissor-fork type mechanical structure is adopted, so that the lifting platform has higher stability in the lifting process, and a wide operation platform enables the feet of people to stand on the operation platform more stably. And in the design process, the gas spring is arranged on the lower fixing plate and used as a power source to drive the whole mechanism. The material with light weight and high strength is selected, so that the whole of the pair (two) of lifting platforms is light.

Description

Simple and easy portable elevating system

Technical Field

The utility model relates to a simple and easy portable elevating system.

Background

In life, people often have certain things, and cannot work due to height problems, a ladder or a lifting mechanism can be used at the time, and the ladder or the lifting mechanism cannot be conveniently moved when being arranged on the ladder or the lifting mechanism, so that the working range of people is greatly limited, and the working efficiency is reduced. At this time, the lifting platform device which is portable and can move in the using process cannot be used.

Disclosure of Invention

The utility model aims to solve the technical problem that a simple and easy portable elevating system, the structure is simple and easy, control is simple, go up and down rapidly, the safety and stability, can carry out the elevating system of bulk movement under the rising state.

The utility model discloses a realize through following technical scheme: a simple and portable lifting mechanism comprises a pedal, a first L-shaped chute plate, a second L-shaped chute plate and a roller, wherein the first L-shaped chute plate and the second L-shaped chute plate are fixed at the bottom of the pedal, the roller is fixed in the first L-shaped chute plate, a chain plate is connected onto the chute plate through the roller, and the chain plate are connected in sequence through a threaded hollow pipe;

the chain plate at the bottommost part is connected with an air spring movable fixing plate through a long bolt and a shaft sleeve, a hinge support is fixed through a 6mm bolt, an air spring bottom plate is fixed through a bolt, a self-locking air spring is arranged in an air spring guide sleeve and is screwed into the air spring bottom plate, an air spring movable rod is connected into the air spring movable fixing plate and is screwed into an air spring control switch, and the base fixing plate is fixed in an L-shaped bottom plate of a base through the bolt.

As a preferable technical scheme, a gasket and a shaft sleeve are additionally arranged between the chain plates to reduce the abrasion caused by the relative movement of the chain plates and prevent the bolt from being unscrewed in the movement process.

As the preferred technical scheme, a movable gas spring fixing plate must exist between the self-locking gas spring and the gas spring control switch and move along with the movable rod of the gas spring.

As the preferred technical scheme, when the movable fixed plate of the gas spring is connected with the L-shaped bottom plate of the base, the middle shaft sleeve limits the position of the movable fixed plate of the gas spring, and the movable fixed plate of the gas spring slides stably in the sliding groove.

The utility model has the advantages that: 1. because the hand brake is used for control, the control can be realized by one-key operation without a series of complicated operations.

2. Because the X-shaped scissor fork frame is used, the transmission is stable, and the lifting is safe.

3. Because the tension spring is used as a buffer, the descending is stable.

4. Because the air spring is used as a power source, the speed is not required to be uniform and slow like gear transmission, and the lifting is rapid and stable.

5. The product has light weight, small volume and high portability.

6. Due to the wide application range of the product, the product can be used at home or at work, and the client group is wide.

7. Due to the wide operation platform, the feet of a person can stand on the operation platform more stably.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a mechanical schematic diagram of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, a simple portable lifting mechanism comprises a pedal 1, a first L-shaped chute plate 2 and a second L-shaped chute plate 27 fixed at the bottom of the pedal, and a roller 3 fixed in the first L-shaped chute plate 2, wherein a chain plate 23 is connected to the chute plates by the roller, and the chain plates are connected with each other through a threaded hollow pipe 24 in sequence;

the chain plate at the bottommost part is connected with a gas spring movable fixing plate 16 through a long bolt 8 and a first shaft sleeve 9, a hinge support is fixed through a bolt 11, a gas spring bottom plate 5 is fixed through a first bolt 6, a self-locking gas spring 17 is arranged in a gas spring guide sleeve 4 and is screwed into the gas spring bottom plate 5, a gas spring movable rod is connected into the gas spring movable fixing plate 16 and is screwed into a gas spring control switch 18, and a base fixing plate 13 is fixed in an L-shaped bottom plate 7 of the base through a second bolt 12.

In this embodiment, a spacer 26 and a second bushing 25 are added between the link plates 23 to reduce wear caused by relative movement of the link plates 23 and prevent the bolts from being unscrewed during movement.

Wherein, a gas spring movable fixing plate 16 must exist between the self-locking gas spring 17 and the gas spring control switch 18 and move along with the gas spring movable rod.

When the gas spring movable fixing plate 16 is connected with the L-shaped bottom plate 7 of the base, the middle first shaft sleeve 9 limits the position of the gas spring movable fixing plate 16, and the gas spring movable fixing plate 16 slides stably in the sliding groove.

Description of the principle: the connecting rod in the middle of using the spring to connect makes its reciprocating motion obtain the buffering, utilize the spout roller of auto-lock air spring connection bottom and fixed and outer link joint, make full use of its auto-lock characteristic can make the elevating platform stop at arbitrary height, and only have a foot size, only be a wooden box of A4 paper size during minimum extreme position, maximum extreme position can rise to 70cm, 2 bind respectively on two feet when using, during the rising, press down air spring control button (have 2 buttons to control respectively about) and mention a foot and just can realize rising, loosen the switch and accomplish the auto-lock, and the same principle operation of another foot alright make the people rise at fixed position, if want the shift position can directly to treat this elevating platform and directly move and the moving process safe and reliable.

When the whole mechanism starts to move, the whole mechanism is stretched back and forth under the cooperation of the power source and the control element, as shown in fig. 2. Under the condition of fig. 2, in the mechanism compression process, the point B and the point I both move rightwards, the moving of the point B and the point I can press the pneumatic spring to stretch inwards, the self-locking force is far higher than f1 under the self-locking condition of the pneumatic spring, and therefore the existing position of the mechanism can be maintained. If the mechanism is allowed to rise, external force G must be eliminated (one foot is lifted) to open the gas spring switch, the jacking force of the gas spring can enable the mechanism to rise to the top position, and the mechanism can stay at the highest position after self-locking is completed and can increase the external force G.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (4)

1. The utility model provides a simple and easy portable elevating system which characterized in that: the pedal type bicycle pedal comprises a pedal plate (1), a first L-shaped chute plate (2) and a second L-shaped chute plate (27) which are fixed at the bottom of the pedal plate, and a roller (3) which is fixed in the first L-shaped chute plate (2), wherein a chain plate (23) is connected onto the chute plate by the roller, and the chain plate are connected in sequence through a threaded hollow pipe (24);

the chain plate at the bottommost part is connected with a gas spring movable fixing plate (16) through a long bolt (8) and a first shaft sleeve (9), a hinge support is fixed through a bolt (11), the gas spring bottom plate (5) is fixed through a first bolt (6), a self-locking gas spring (17) is arranged in a gas spring guide sleeve (4) and is screwed into the gas spring bottom plate (5) through the gas spring guide sleeve (4), a gas spring movable rod is connected into the gas spring movable fixing plate (16) and is screwed into a gas spring control switch (18), and a base fixing plate (13) is fixed in an L-shaped bottom plate (7) of a base through a second bolt (12).

2. The simple portable lifting mechanism of claim 1, wherein a spacer (26) and a second bushing (25) are added between the chain plates (23) to reduce wear caused by relative movement of the chain plates (23) and prevent the bolts from being unscrewed during movement.

3. The simple and portable lifting mechanism according to claim 2, characterized in that a gas spring movable fixing plate (16) must be present between the self-locking gas spring (17) and the gas spring control switch (18) and move along with the gas spring movable rod.

4. The simple and portable lifting mechanism according to claim 2, wherein the middle first shaft sleeve (9) limits the position of the gas spring movable fixing plate (16) when the gas spring movable fixing plate (16) is connected with the L-shaped bottom plate (7) of the base, and the gas spring movable fixing plate (16) is enabled to slide stably in the sliding groove.

Images