CN204410178U - Transfer horizontal sliding chair brandreth mechanism - Google Patents

Abstract

An iron frame mechanism for a split push chair, the fixed seat frame is fixed on the wooden frame of the chair, the fixed rod is fixed on the wooden frame of the chair, the telescopic drive device is installed on the fixed rod, and the telescopic end of the telescopic drive device is installed on the power push rod. In the middle part, left and right symmetrical footrest mechanism, seat plate mechanism and backrest mechanism are arranged above the fixed seat frame. The L seat plate includes a horizontal section and a vertical section. Mechanism connection, the backrest mechanism is connected with the upper end of the vertical strut, the lower end of the vertical strut is hinged with the right end of the fixed seat frame, the end of the power push rod is connected with the footrest mechanism, and the footrest mechanism is connected with the upper end of the first push rod, The long drive rod is respectively hinged with the upper end of the first push rod, the upper end of the second push rod and the middle part of the third push rod, the upper end of the third push rod is hinged with the lower end of the second drive rod, and the upper end of the second drive rod is connected with the L The angle of the seat plate is hinged. The utility model has the advantages of simplified structure, rich functions, convenient operation and low cost.

Description

Split push chair iron frame mechanism

technical field

The utility model relates to a chair structure, in particular to an iron frame mechanism for pushing a chair.

Background technique

With the development of society and economy, people's living standards are improving day by day, and people begin to pursue high-quality life experiences and methods. A comfortable and fully functional push chair can bring people a better and more comfortable life. However, the existing split push chairs on the market are complex in structure, simple in function, difficult to operate, bulky as a whole, cumbersome in processing, expensive, and have many inconveniences.

Contents of the invention

In order to overcome the disadvantages of complex structure, difficult operation and high cost of existing push chairs, the utility model provides a split push chair iron frame mechanism with simplified structure, rich functions, convenient operation and low cost.

The technical scheme that the utility model solves its technical problem adopts is:

An iron frame mechanism for a split push chair, comprising a fixed seat frame and a footrest mechanism, the fixed seat frame is fixed on the wooden frame of the chair, the fixed rod is fixed on the wooden frame of the chair, and a telescopic drive device is installed on the fixed rod , the telescopic end of the telescopic driving device is installed in the middle of the power push rod, and a left-right symmetrical footrest mechanism, a seat plate mechanism and a backrest mechanism are arranged above the fixed seat frame, and the seat plate mechanism includes an L-shaped seat plate, The L seat board includes a transverse section and a vertical section, the footrest mechanism is connected to the left end of the transverse section, the upper end of the vertical section is connected to the backrest mechanism, and the backrest mechanism is connected to the vertical support bar. The upper end is connected, the lower end of the vertical support rod is hinged with the right end of the fixed seat frame, the end of the power push rod is connected with the footrest mechanism, and the footrest mechanism is connected with the upper end of the first push rod. The lower end of the push rod is hinged on the left end of the fixed seat frame, the lower ends of the second push rod and the third push rod are respectively hinged at the middle part of the fixed seat frame, and the long drive rod is respectively connected with the upper end of the first push rod, The upper end of the second push rod is hinged with the middle part of the third push rod, the long transmission rod is parallel to the fixed seat frame, the upper end of the third push rod is hinged with the lower end of the second transmission rod, and the second The upper end of the transmission rod is hinged at the angle between the L-shaped seat plate.

Further, the foot rest mechanism includes a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a foot rest pad and a small foot rest piece, the first connecting rod, the second connecting rod, the second connecting rod Three connecting rods and the fourth connecting rod constitute a quadrilateral mechanism, the first connecting rod and the second connecting rod are connected to the footrest, and the two ends of the small footrest are respectively hinged on the middle part of the first connecting rod and the middle part of the second connecting rod , the right end of the third connecting rod is hinged with the left end of the transverse section, the right end of the fourth connecting rod is hinged with the left section of the transverse section, and the middle part of the fourth connecting rod is hinged with the power push rod fixed connection at the end.

Preferably, the fixed seat frame is provided with a first limiting nail for limiting the strokes of the first push rod and the third push rod.

The second connecting rod is provided with a second limiting nail that limits the stroke of the third connecting rod.

The left end of the L-shaped seat plate is provided with a third limiting nail for limiting the stroke of the fourth connecting rod.

The telescopic driving device is an electric telescopic mechanism. Of course, other driving modes are also possible.

The technical idea of the utility model is: when the footrest mechanism is extended and the backrest is reclined, the electric switch is pressed, and the electric push rod stretches forward, thereby driving the driving member to move and simultaneously pushing the first connecting rod of the footrest mechanism, the second The pins on the connecting rod and the first connecting rod are attached to each other in the initial state. When the footrest mechanism stretches out, the push rod and the transmission rod system on the fixed frame drive the seat board to move backward, and the backrest moves backward close to the level. When the footrest mechanism stretches to the maximum position, it drives the limit nail on the L-shaped seat plate to continue to move upwards, and at this moment, the lifting of the seat plate can be realized, and at the same time, the backrest begins to tilt. Press the electric switch, the electric push rod retracts and drives the driving member to move, the seat plate mechanism returns to the initial position under the action of its own gravity and the driving force of the motor, and fits with the limit nail on the fixed seat frame, and the backrest also returns to the original position. previous position. Afterwards, under the action of the motor push rod, the footrest mechanism continues to be retracted, the seat plate is moved in translation, and the backrest moves to the left close to the level. When the second connecting rod fits with the limit nail on the first connecting rod, the motor push rod also returns to the original position at this moment.

The beneficial effects of the utility model are embodied in that the functions such as lifting of the footrest, lifting of the seat plate, reclining of the backrest and the like can be realized separately, which enhances the comfort, the structure is simple and stable, the operation is convenient, the cost is low, and the practicability is high. a huge help.

Description of drawings

Fig. 1 is the initial state diagram of the utility model.

Fig. 2 is a diagram of the first horizontal position of the footrest mechanism of the present invention.

Fig. 3 is the figure of the utility model footrest mechanism and the seat plate rising to the highest point.

Fig. 4 is an axonometric view of the rear of the utility model in a raised state.

Fig. 5 is a partial schematic view of the seat plate footrest mechanism of the present invention.

Fig. 6 is a partial schematic view of the seat plate mechanism of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Figures 1 to 6, an iron frame mechanism for a split push chair includes a fixed seat frame 11 and a footrest mechanism 1, the fixed seat frame 11 is fixed on the wooden frame 5 of the chair, and the fixed rod 4 is fixed on the wooden frame of the chair. On the frame 5, a telescopic drive device is installed on the fixed rod 4, the telescopic end of the telescopic drive device is installed in the middle part of the power push rod 6, and a left-right symmetrical footrest mechanism 1, seat Board mechanism 2 and backrest mechanism 3, said seat plate mechanism 2 includes L-shaped seat plate 2.7, said L seat plate 2.7 includes a transverse section and a vertical section, said footrest mechanism 1 is connected to the left end of said transverse section, The upper end of the vertical section is connected with the backrest mechanism 3, the backrest mechanism 3 is connected with the upper end of the vertical strut 3.2, the lower end of the vertical strut 3.2 is hinged with the right end of the fixed seat frame 11, and the power push The end of rod 6 is connected with footrest mechanism 1, and described footrest mechanism 1 is connected with the upper end of first push rod 2.1, and the lower end of described first push rod 2.1 is hinged on the left end of described fixed seat frame 11, and the second The lower ends of the push rod 2.3 and the third push rod 2.4 are respectively hinged in the middle of the fixed seat frame 11, and the long drive rod 2.2 is connected with the upper end of the first push rod 2.1, the upper end of the second push rod 2.3 and the third push rod respectively. The middle part of the rod 2.4 is hinged, the long transmission rod 2.2 is parallel to the fixed seat frame 11, the upper end of the third push rod 2.4 is hinged with the lower end of the second transmission rod 2.5, and the upper end of the second transmission rod 2.5 It is hinged at the angle with the L-shaped seat plate 2.7.

Further, the footrest mechanism 1 includes a first connecting rod 1.2, a second connecting rod 1.4, a third connecting rod 1.5, a fourth connecting rod 1.6, a footrest pad 1.1 and a small footrest piece 1.3, the first connecting rod 1.2, the second connecting rod 1.4, the third connecting rod 1.5, and the fourth connecting rod 1.6 constitute a quadrilateral mechanism, the first connecting rod 1.2 and the second connecting rod 1.4 are connected to the two ends of the footrest 1.1 and the small footrest 1.3 Hinged respectively in the middle of the first connecting rod 1.2 and the middle of the second connecting rod 1.4, the right end of the third connecting rod 1.5 is hinged with the left end of the transverse section, the right end of the fourth connecting rod 1.6 is hinged with the transverse section The left section is hinged, and the middle part of the fourth connecting rod 1.6 is fixedly connected with the end of the power push rod 6 .

Preferably, the fixed seat frame 11 is provided with a first stop nail for limiting the travel of the first push rod and the third push rod.

The second connecting rod 1.4 is provided with a second stop nail that limits the stroke of the third connecting rod.

The left end of the L-shaped seat plate 2.7 is provided with a third stop nail for limiting the stroke of the fourth connecting rod.

The telescopic driving device is an electric telescopic mechanism. Of course, other driving modes are also possible.

The working process of the utility model split horizontally moving iron frame mechanism is as follows: firstly, the footrest mechanism 1 stretches out and the seat plate 2 translates. The bit nails are attached and the chair is in its original state. Press the electric switch, and the electric push rod stretches out forward, thereby driving the motor push rod 6 to move upwards and simultaneously pushing the first connecting rod 2.2 of the footrest mechanism. When the footrest mechanism 1 is stretched out, it is driven The L-shaped seat plate 2.7 translates backward, and now the backrest 3.1 performs a horizontal approximate translation movement, and the angle between the backrest 3.1 and the L-shaped seat plate 2.7 remains basically unchanged. And under the gravitational effect of people, the first push rod 2.1 and the second push rod 2.3 still fit with the first limit nail on the fixed seat frame 11, the L-shaped seat board does not lift, and the backrest angle has no obvious change.

Secondly, the footrest mechanism 1 continues to lift. When the first connecting rod 1.2 is in contact with the third limit nail on the left end of the L-shaped seat plate 2.7, the power push rod 6 continues to be pushed, and the first connecting rod 1.2 drives the L-shaped seat plate. Plate 2.7 begins to lift, and L-shaped seat plate 2.7 begins to move upwards, and the first push rod 2.1, the second push rod 2.3, the third push rod 2.4 and the long transmission rod 2.2 connected thereto form a parallelogram, and the motor push rod 6 Under the driving action, the L-shaped seat plate 2.7 is supported to keep it stable. When the backrest 3.1 fits with the fourth limit nail on the support rod 3.2, at this moment, the L-shaped seat board rises to the highest position.

Finally, press the motor switch, first under the action of human gravity, because the foot rest mechanism 1 has a certain resistance to retract, the seat plate mechanism 2 first returns to lower, when the L-shaped seat plate returns to the first horizontal position, the first Push rod 2.1 and the 3rd push rod 2.4 fit with the first limit nail on the fixed seat plate 11, at this moment, the footrest mechanism just can slowly reclaim, and the backrest moves left, gets back to original state.

The iron frame mechanism of the split horizontal push chair described in the utility model can be applied to office leisure, household or other leisure occasions.

The content described in the embodiments of this specification is only an enumeration of the realization forms of the utility model concept, and the protection scope of the utility model should not be regarded as being limited to the specific forms stated in the embodiments, and the protection scope of the utility model also extends to Equivalent technical means that those skilled in the art can think of according to the concept of the utility model.

Claims (6)

1. A split-motion push chair iron frame mechanism, comprising a fixed seat frame and a footrest mechanism, characterized in that: the fixed seat frame is fixed on the wooden frame of the chair, the fixed rod is fixed on the wooden frame of the chair, and the fixed seat frame is fixed on the wooden frame of the chair. A telescopic drive device is installed on the rod, and the telescopic end of the telescopic drive device is installed in the middle of the power push rod. A left-right symmetrical footrest mechanism, a seat plate mechanism and a backrest mechanism are arranged above the fixed seat frame, and the seat plate mechanism It includes an L-shaped seat board, the L seat board includes a horizontal section and a vertical section, the foot rest mechanism is connected to the left end of the horizontal section, the upper end of the vertical section is connected to the backrest mechanism, and the backrest The mechanism is connected to the upper end of the vertical brace, the lower end of the vertical brace is hinged to the right end of the fixed seat frame, the end of the power push rod is connected to the foot rest mechanism, and the foot rest mechanism is connected to the upper end of the first push rod connected, the lower end of the first push rod is hinged to the left end of the fixed seat frame, the lower ends of the second push rod and the third push rod are respectively hinged to the middle of the fixed seat frame, and the long transmission rods are respectively connected to the first fixed seat frame. The upper end of a push rod, the upper end of the second push rod and the middle part of the third push rod are hinged, the long transmission rod is parallel to the fixed seat frame, the upper end of the third push rod is connected to the lower end of the second transmission rod Hinged, the upper end of the second transmission rod is hinged at the angle between the L-shaped seat plate. 2. The iron frame mechanism of split push chair according to claim 1, characterized in that: said foot rest mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a foot rest Pads and small footrests, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod constitute a quadrilateral mechanism, the first connecting rod and the second connecting rod are connected to the footrest, and the small rest The two ends of the foot pieces are respectively hinged to the middle part of the first connecting rod and the middle part of the second connecting rod, the right end of the third connecting rod is hinged to the left end of the transverse section, and the right end of the fourth connecting rod is connected to the transverse section. The left section of the section is hinged, and the middle part of the fourth connecting rod is fixedly connected with the end of the power push rod. 3. The iron frame mechanism of the split push chair according to claim 1 or 2, characterized in that: the fixed seat frame is provided with a first limiter for limiting the travel of the first push rod and the third push rod. bit nails. 4. The iron frame mechanism of the split horizontal push chair according to claim 1 or 2, characterized in that: the second connecting rod is provided with a second stop nail to limit the stroke of the third connecting rod. 5. The iron frame mechanism of the split push chair according to claim 1 or 2, characterized in that: the left end of the L-shaped seat plate is provided with a third stop nail for limiting the stroke of the fourth connecting rod. 6. The iron frame mechanism of the split horizontal push chair according to claim 1 or 2, characterized in that: the telescopic drive device is an electric telescopic mechanism.