CN201356283Y - Pedal folding device used on automatic lifting chair - Google Patents

Abstract

The utility model discloses a pedal folding device used on an automatic lifting chair, which comprises a handle, a connecting rod arm and a small connecting rod, wherein the handle is rotatablely arranged on the chair; the connecting rod arm is connected on the chair through a spring; the upper end of the connecting rod arm is hinged with the handle; the small connecting rod is hinged on a pedal through a rotating shaft, and the small connecting rod is hinged the lower end of the connecting rob arm. The utility model has the advantages that the folding or unfolding of the pedal are controlled and operated through the handle, and the pedal folding device is convenient, simple, safe and reliable.

Description

Be used for the pedal folding device on the automatic lifting chair

Technical field

The utility model relates to the automatic lifting chair, particularly is used for the pedal folding device on the automatic lifting chair.

Background technology

Seat is that people often use also is indispensable articles for use in the life, so that people update and study it, makes it serve the people better, is utilized better.For example, turning chair automatic seat, liftable seat appearred in recent years.

As the patent No. is 01804384.4 designed barbed chair, also conventional seat has been carried out some and has improved, and it is the adjustable Work seat of a kind of seat height; The patent No. is the 03102979.5 for motor vehicle automatic seat of being invented, and it comprises fixed installation last groove on the seat; Be fixedly installed to the following groove on the vehicle floor, the described groove of going up matches with following groove, be fixedly installed to and go up mortise or the nut nut unit of mortise on one of them down, pass the driving shaft of described nut nut unit, one motor and delivery unit, by being connected of these structures and unit, realize the function of automatic seat.

At present, still there is not the chair lift that can adapt to various staircase structure on the market, and can be used for the lowering or hoisting gear of slope and stair servo-actuated control, the applicant once applied for the patent of similar device, the patent No. is 200520042775.1 a kind of slope and stair servo-actuated control lowering or hoisting gears of being used for of being invented, and it can make seat can adapt to various staircase structure device along what the guide rail that moves towards to arrange according to stair slided.The device with pedal complex structure of this automatic lifting chair, it is not too convenient to operate, and is still waiting to improve.

The utility model content

Technical problem to be solved in the utility model is, overcomes the disadvantage of the pedal on the existing automatic lifting chair, and a kind of pedal folding device that is used on the automatic lifting chair is provided, and is lever operated, convenient and simple, safe and reliable.

In order to address the above problem the technical solution of the utility model is such:

Be used for the pedal folding device on the automatic lifting chair, comprise:

Be arranged at the handle on the seat rotationally,

By spring connection pitman arm on the seat, the upper end of described pitman arm and described handle are hinged;

Be hinged in small rod on the pedal by a rotating shaft, the lower end of described small rod and described pitman arm is hinged.

The utility model is used for the pedal folding device operation principle on the automatic lifting chair:

When needing closed pedal: rotary handle, when handle was rotated counterclockwise, handle drove the pitman arm top that links to each other with handle and clockwise rotates certain angle; The coupled spring of compression when pitman arm top clockwise rotates, the elastic force that spring produces downwards rotates counterclockwise the thorny handle in bottom of pitman arm, and power is passed to small rod, drive pedal by small rod and clockwise rotate the pedal closure around the rotating shaft that is connected with seat.

In the time of need opening pedal: by rotary handle, when handle was clockwise rotated, handle drove the pitman arm upper end that links to each other with handle and rotates counterclockwise certain angle; The coupled spring of pulling when pitman arm rotates counterclockwise, the elastic force that described spring upwards produces clockwise rotates the thorny handle in bottom of pitman arm, and power is passed to small rod, drives pedal by small rod and rotates counterclockwise around the shaft, and pedal is opened.

The beneficial effects of the utility model are, open or closed, convenient and simple, safe and reliable by lever operated control pedal.

Description of drawings

Describe the utility model in detail below in conjunction with the drawings and specific embodiments;

Fig. 1 is a front view of the present utility model;

Fig. 2 is a left view of the present utility model;

Fig. 3 is a stereogram of the present utility model;

The specific embodiment

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.

Referring to Fig. 1, Fig. 2, Fig. 3, pedal 6 by the rotating shaft hinge on seat 7.Be used for the pedal folding device on the automatic lifting chair, comprise handle 1, pitman arm 2, spring 3, small rod 4, rotating shaft 5, handle 1 is a meander-shaped, is installed in rotation on the top of seat 7, pitman arm 2 is installed in seat 7 sidepieces by spring 3, and the top of pitman arm 2 and handle 1 are hinged.Small rod 4 is hinged on the pedal 6 by a rotating shaft 5, and small rod 4 is hinged with the lower end of pitman arm 2.

When needing closed pedal 6: rotary handle 1, when handle 1 was rotated counterclockwise, handle 1 drove pitman arm 2 tops that link to each other with handle 1 and clockwise rotates certain angle; The coupled spring 3 of compression when pitman arm 2 tops clockwise rotate, the elastic force that spring 3 produces downwards rotates counterclockwise the thorny handle 1 in bottom of pitman arm 2, and power is passed to small rod 4, drive pedals 6 by small rod 4 and clockwise rotate pedal 6 closures around the rotating shaft that is connected with seat 7.

In the time of need opening pedal 6: by rotary handle 1, when handle 1 was clockwise rotated, handle 1 drove pitman arm 2 upper ends that link to each other with handle 1 and rotates counterclockwise certain angle; The coupled spring 3 of pulling when pitman arm 2 rotates counterclockwise, the elastic force that spring 3 upwards produces clockwise rotates the thorny handle 1 in bottom of pitman arm 3, and power is passed to small rod 4, and driving pedals 6 by small rod 4 and rotate counterclockwise around the shaft, pedal is opened.

More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (1)

1, be used for pedal folding device on the automatic lifting chair, it is characterized in that, comprising:

Be arranged at the handle on the seat rotationally,

By spring connection pitman arm on the seat, the upper end of described pitman arm and described handle are hinged;

Be hinged in small rod on the pedal by a rotating shaft, the lower end of described small rod and described pitman arm is hinged.

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