CN218320129U

CN218320129U - Pedal telescoping mechanism for stair machine

Info

Publication number: CN218320129U
Application number: CN202222482395.6U
Authority: CN
Inventors: 樊锦楠
Original assignee: Hi Fortune Health Products Co ltd
Current assignee: Hi Fortune Health Products Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-17
Anticipated expiration: 2032-09-19

Abstract

The utility model provides a footboard telescopic machanism for stair machine, includes the footboard subassembly, the rear side of footboard subassembly is provided with the mounting bracket, the inboard of mounting bracket is provided with can follow the flexible subassembly of footboard subassembly direction level back and forth stretching, the front end of flexible subassembly with footboard subassembly fixed connection, the rear end of flexible subassembly with mounting bracket fixed connection, flexible subassembly is connected with an electric putter transmission. The utility model discloses a pedal telescoping mechanism, adopted the design mode that the footboard subassembly combines together with flexible subassembly, can stretch out the footboard subassembly automatically and withdraw, compare traditional fixed knot structure and flip structure, more convenient consumer uses and accomodates; and flexible subassembly can design in the mounting groove at footboard subassembly rear, does not occupy other spaces, on the basis of being convenient for fold and accomodate to do not increase the volume of complete machine, exquisite small and exquisite, the practicality is strong.

Description

Pedal telescoping mechanism for stair machine

Technical Field

The utility model belongs to the technical field of the stair machine improves, concretely relates to a footboard telescopic machanism for stair machine.

Background

A stair machine, also called a stair lift, is mainly used for people with disabled legs, and is lifting equipment erected on a stair with handrails.

The pedal assembly of the traditional stair machine is usually of a fixed structure or a turnover structure, and the stair machine is usually made into a foldable structure for convenient storage; the pedal assembly of the fixed structure is not convenient to fold and store, the pedal assembly of the turnover structure plays a certain turnover and storage role, but the original volume of the whole machine is increased due to the design of the turnover structure, and the volume of the folded whole machine is increased relative to the pedal assembly of the fixed structure, so that the occupied space is larger.

Therefore, a tread board retracting mechanism for a stair machine has been devised to solve the above problems.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a pedal telescopic mechanism for a stair machine.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: the utility model provides a footboard telescopic machanism for stair machine, includes the footboard subassembly, the rear side of footboard subassembly is provided with the mounting bracket, the inboard of mounting bracket is provided with can follow the flexible subassembly of footboard subassembly direction level back and forth stretching, the front end of flexible subassembly with footboard subassembly fixed connection, the rear end of flexible subassembly with mounting bracket fixed connection, flexible subassembly is connected with an electric putter transmission.

The preferable technical scheme is as follows: the telescopic assembly comprises a mounting arm arranged at the front end, and a first movable arm, a second movable arm, a third movable arm, a fourth movable arm, a first connecting arm and a second connecting arm are arranged behind the mounting arm; the first movable arm and the second movable arm are arranged in a crossed mode, and the crossed positions are connected through a first hinge shaft; the third movable arm and the fourth movable arm are arranged in a crossed manner, and the crossed positions are connected through a second hinge shaft; the front end of the first movable arm and the front end of the second movable arm are respectively hinged with two ends of the mounting arm; the front end of the third movable arm is hinged with the rear end of the first movable arm, and the rear end of the third movable arm is connected with the outer end of the first connecting arm through a third hinged shaft; the front end of the fourth movable arm is hinged with the rear end of the second movable arm, and the rear end of the fourth movable arm is connected with the outer end of the second connecting arm through a fourth hinged shaft; the inner end of the first connecting arm is connected with the inner end of the second connecting arm through a fifth hinge shaft.

The preferable technical scheme is as follows: and a connecting plate is arranged on the fifth articulated shaft, and the mounting frame is fixedly connected with the connecting plate.

The preferable technical scheme is as follows: two ends of the electric push rod are fixedly connected with the third hinge shaft and the fourth hinge shaft respectively; when the rod part of the electric push rod extends out, the telescopic assembly is in a contraction state, and when the rod part of the electric push rod retracts, the telescopic assembly is in an extension state.

The preferable technical scheme is as follows: the rear end of the pedal assembly is provided with a mounting groove, and the mounting frame is located in the mounting groove.

The preferable technical scheme is as follows: the mounting bracket includes the mounting panel of vertical setting, the both sides of mounting panel all are provided with the curb plate.

The preferable technical scheme is as follows: the both sides of footboard subassembly's mounting groove all are provided with linear guide, the curb plate of the both sides of mounting bracket sets up respectively in two linear guide's top.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:

the utility model discloses a pedal telescoping mechanism, adopted the design mode that the footboard subassembly combines together with flexible subassembly, can stretch out the footboard subassembly automatically and withdraw, compare traditional fixed knot structure and flip structure, more convenient consumer uses and accomodates; and flexible subassembly can design in the mounting groove at footboard subassembly rear, does not occupy other spaces, on the basis of being convenient for fold and accomodate to do not increase the volume of complete machine, exquisite small and exquisite, the practicality is strong.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic view of the assembly of the telescopic assembly and the mounting bracket.

Fig. 3 is a schematic view of the assembly of the telescopic assembly and the electric push rod.

Fig. 4 is a schematic view of a mounting bracket.

In the above drawings, 1, a pedal assembly; 101. mounting grooves; 102. a linear guide rail; 2. a mounting frame; 201. mounting a plate; 202. a side plate; 3. a telescoping assembly; 301. mounting an arm; 302. a first movable arm; 303. a second movable arm; 304. a third movable arm; 305. a fourth movable arm; 306. a first connecting arm; 307. a second connecting arm; 308. a first hinge shaft; 309. a second hinge shaft; 310. a third hinge shaft; 311. a fourth hinge shaft; 312. a fifth hinge shaft; 313. a connecting plate; 4. an electric push rod.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1-4, a footboard telescopic machanism for stair machine, including footboard subassembly 1, the rear side of footboard subassembly 1 is provided with mounting bracket 2, and the inboard of mounting bracket 2 is provided with can make a round trip flexible subassembly 3 along the horizontal flexible of footboard subassembly 1 direction, the front end and the footboard subassembly 1 fixed connection of flexible subassembly 3, the rear end and the mounting bracket 2 fixed connection of flexible subassembly 3, flexible subassembly 3 is connected with an electric putter 4 transmission. The telescopic assembly 3 comprises a mounting arm 301 arranged at the front end, and a first movable arm 302, a second movable arm 303, a third movable arm 304, a fourth movable arm 305, a first connecting arm 306 and a second connecting arm 307 are arranged behind the mounting arm 301; the first movable arm 302 and the second movable arm 303 are arranged in a crossed manner, and the crossed positions are connected through a first hinge shaft 308; the third movable arm 304 and the fourth movable arm 305 are arranged crosswise, and the crossing position is connected through a second hinge shaft 309; the front end of the first movable arm 302 and the front end of the second movable arm 303 are hinged with the two ends of the mounting arm 301 respectively; the front end of the third movable arm 304 is hinged with the rear end of the first movable arm 302, and the rear end of the third movable arm 304 is connected with the outer end of the first connecting arm 306 through a third hinge shaft 310; the front end of the fourth movable arm 305 is hinged with the rear end of the second movable arm 303, and the rear end of the fourth movable arm 305 is connected with the outer end of the second connecting arm 307 through a fourth hinge shaft 311; the inner end of the first connecting arm 306 is connected to the inner end of the second connecting arm 307 by a fifth hinge shaft 312. A connecting plate 313 is arranged on the fifth hinge shaft 312, and the mounting frame 2 is fixedly connected with the connecting plate 313. Two ends of the electric push rod 4 are respectively fixedly connected with the third hinge shaft 310 and the fourth hinge shaft 311; when the rod part of the electric push rod 4 extends out, the telescopic component 3 is in a contraction state, and when the rod part of the electric push rod 4 retracts, the telescopic component 3 is in an extension state. Mounting groove 101 has been seted up to footboard subassembly 1's rear end, and mounting bracket 2 is located mounting groove 101. The mounting bracket 2 comprises a vertically arranged mounting plate 201, and side plates 202 are arranged on two sides of the mounting plate 201. Both sides of the mounting groove 101 of the pedal assembly 1 are provided with linear guide rails 102, and the side plates 202 on both sides of the mounting frame 2 are respectively arranged above the two linear guide rails 102.

The principle is as follows: when the push rod of the electric push rod 4 extends out, the width of the telescopic component 3 can be increased, retraction of the telescopic component 3 in the front-back direction is realized, and when the push rod retracts, the width of the telescopic component 3 can be reduced, and extension of the telescopic component 3 in the front-back direction is realized; the rear end of flexible subassembly 3 is fixed on mounting bracket 2, and the front end of flexible subassembly 3 is fixed with footboard subassembly 1, and when electric putter 4 withdrawed, just can push out footboard subassembly 1 forward through flexible subassembly 3, and when electric putter 4 stretched out, just can withdraw footboard subassembly 1 backward through flexible subassembly 3.

The pedal telescoping mechanism designed by the utility model adopts the design mode of combining the pedal component and the telescoping component, can automatically extend and retract the pedal component, and is more convenient for consumers to use and store compared with the traditional fixed structure and the turnover structure; and flexible subassembly can design in the mounting groove at footboard subassembly rear, does not occupy other spaces, on the basis of being convenient for fold and accomodate to do not increase the volume of complete machine, the exquisiteness is small and exquisite, and the practicality is strong.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A footboard telescopic mechanism for stair machines, comprising a footboard assembly (1), characterized in that: the rear side of footboard subassembly (1) is provided with mounting bracket (2), the inboard of mounting bracket (2) is provided with can follow footboard subassembly (1) direction level makes a round trip flexible subassembly (3), the front end of flexible subassembly (3) with footboard subassembly (1) fixed connection, the rear end of flexible subassembly (3) with mounting bracket (2) fixed connection, flexible subassembly (3) are connected with an electric putter (4) transmission.

2. A tread extension mechanism for a stair machine as defined in claim 1, wherein: the telescopic assembly (3) comprises a mounting arm (301) arranged at the front end, and a first movable arm (302), a second movable arm (303), a third movable arm (304), a fourth movable arm (305), a first connecting arm (306) and a second connecting arm (307) are arranged behind the mounting arm (301); the first movable arm (302) and the second movable arm (303) are arranged in a crossed manner, and the crossed positions are connected through a first hinge shaft (308); the third movable arm (304) and the fourth movable arm (305) are arranged in a crossed manner, and the crossed positions are connected through a second hinge shaft (309); the front end of the first movable arm (302) and the front end of the second movable arm (303) are respectively hinged with two ends of the mounting arm (301); the front end of the third movable arm (304) is hinged with the rear end of the first movable arm (302), and the rear end of the third movable arm (304) is connected with the outer end of the first connecting arm (306) through a third hinge shaft (310); the front end of the fourth movable arm (305) is hinged with the rear end of the second movable arm (303), and the rear end of the fourth movable arm (305) is connected with the outer end of the second connecting arm (307) through a fourth hinged shaft (311); the inner end of the first connecting arm (306) is connected to the inner end of the second connecting arm (307) by a fifth hinge axis (312).

3. A tread extension mechanism for a stair machine according to claim 2, wherein: a connecting plate (313) is arranged on the fifth hinge shaft (312), and the mounting frame (2) is fixedly connected with the connecting plate (313).

4. A tread extension mechanism for a stair machine as defined in claim 3, wherein: two ends of the electric push rod (4) are respectively fixedly connected with the third hinged shaft (310) and the fourth hinged shaft (311); when the rod part of the electric push rod (4) extends out, the telescopic component (3) is in a contraction state, and when the rod part of the electric push rod (4) retracts, the telescopic component (3) is in an extension state.

5. A tread extension mechanism for a stair machine according to claim 4, wherein: mounting groove (101) have been seted up to the rear end of footboard subassembly (1), mounting bracket (2) are located in mounting groove (101).

6. A tread extension mechanism for a stair machine according to claim 5, wherein: mounting bracket (2) are including mounting panel (201) of vertical setting, the both sides of mounting panel (201) all are provided with curb plate (202).

7. A tread extension mechanism for a stair machine according to claim 6, wherein: both sides of mounting groove (101) of footboard subassembly (1) all are provided with linear guide (102), curb plate (202) of the both sides of mounting bracket (2) set up respectively in the top of two linear guide (102).