CN203802043U - Slider type leisure chair for old people - Google Patents

Abstract

The utility model discloses a sliding block type leisure chair for the elderly, comprising a backrest, a seat, a base and a footrest mechanism, the front and rear ends of both sides of the base are respectively provided with vertical rods, the front and rear ends of the side panels are welded on the front and rear vertical rods, the backrest is hinged to the rear end of the side panel through a connecting rod, the front end of the seat is hinged to the front end of the side panel; the lower end of the backrest is connected to the rear part of the seat through a linkage mechanism, and the footrest mechanism is connected to an extension mechanism. The linkage mechanism of the utility model is light and fast, with little wear, and is convenient for users to lean on the chair, and can achieve large-angle rotation; the self-locking gas spring effectively realizes the extension and contraction of the footrest, and can stay at any desired position within the travel range, which is easy to use and has good stability.

Description

Slider Type Leisure Elderly Chair

technical field

The utility model relates to a slider type leisure chair for the elderly.

Background technique

At present, the backrests of household chairs on the market can only be properly bent, and cannot be tilted to achieve a reclining effect. Moreover, when the entire rack moves, the two contact surfaces of the sponge at the back end and the seat end will shift, which will cause wrinkles on the clothes behind the person and affect the user's sitting feeling. In addition, there are few sliders on the market, and most of them do not achieve a smooth and balanced effect. The backrest and footrest are not stable enough, and it is not convenient to use.

Contents of the invention

In order to overcome the shortcomings of the two contact surfaces of the back end and the seat end of the chair for the elderly in the prior art, which will cause displacement, affect the sitting feeling, and be inconvenient to use, the utility model provides a chair that is easy to operate, smooth and stable, and easy to install. , A slider-type leisure elderly chair with excellent stretch response and operation effect that is easy to use and takes up less space.

The technical scheme that the utility model adopts is:

The slider type leisure chair for the elderly includes a backrest, a seat board, a base and a footrest mechanism, and is characterized in that: the front and rear ends on both sides of the base are respectively provided with vertical rods, and the front and rear vertical rods are welded The front and rear ends of the side panels, the backrest is hinged to the rear end of the side panel through a connecting rod, the front end of the seat panel is hinged to the front end of the side panel; the lower end of the backrest The two sides are connected with the rear part of the seat board through a linkage mechanism, and the footrest mechanism is connected with a stretching mechanism.

Further, the linkage mechanism includes a U-shaped linkage rod, a slider push rod, a slider and a gas spring, and the two sides of the lower end of the back rest are respectively connected to one end of the U-shaped linkage rod, so that The other end of the U-shaped linkage rod is connected with the slider push rod, the slider push rod is provided with the slider, a slider groove is installed on the seat plate, and the slider It can slide back and forth in the slide block groove, the slide block is connected with one end of the gas spring, and the other end of the gas spring is connected with the front end of the side plate through a pin shaft.

Further, the stretching mechanism includes a self-locking gas spring and a front-end support rod, a rear-end transverse fixing plate is arranged between the rear ends of the side plates on both sides, and a rear-end transverse fixing plate is arranged between the ends of the foot-rest mechanism on both sides. A front-end transverse fixing plate is provided, one end of the self-locking gas spring is fixed to the middle part of the rear-end transverse fixing plate through a pin shaft, and the other end of the self-locking gas spring is fixed through a pin shaft In the middle of the front end transverse fixing plate, the self-locking gas spring is connected with a button control.

Further, the footrest mechanism includes a quadrilateral mechanism and a footrest, and the front end of the quadrilateral mechanism is supported and connected with the footrest.

Further, the side panels are T-shaped panels.

The backrest of the utility model is supported by two common gas springs, and the footrest is supported by self-locking gas springs. Under normal conditions, the backrest will not tilt and the footrest will not stretch forward. When the user needs to rest, the backrest will be tilted slowly when the force on the backrest exceeds the pneumatic support force of the ordinary gas spring. When the user gets up, the force on the backrest is reduced, and the pneumatic support force promotes the backrest to automatically return to its original state.

As for the footrest mechanism, if the button is not turned on, it is in a contracted state, which is the same as a normal elderly chair. When the user needs to unfold the footrest to take a rest, he manually releases the button, and the self-locking gas spring pushes the front-end horizontal fixed plate, and then pushes the quadrilateral mechanism to extend forward to reach a horizontal position and play the role of supporting the legs.

The beneficial effects of the utility model are embodied in that the linkage mechanism is light and fast, has little wear and tear, and is convenient for users to lean on a chair, and can realize rotation at a large angle. The gas spring effectively realizes the extension and contraction of the footrest, and can stay at any desired position within the stroke, which is convenient to use and has good stability.

Description of drawings

Fig. 1 is a front view of the utility model in an extended state.

Fig. 2 is a sectional view of the contracted state of the utility model.

Fig. 3 is a rear perspective view of the utility model in a retracted state.

Fig. 4 is a rear view of the utility model in a contracted state.

Detailed ways

Referring to Figures 1 to 4, the slider-type leisure chair for the elderly includes a backrest 1, a seat plate 2, a base 4, and a footrest mechanism 3, and the front and rear ends on both sides of the base 4 are respectively provided with vertical rods 5, The front and rear ends of the side plate 10 are welded on the vertical bar 5 described before and after, the back rest 1 is hinged to the rear end of the side plate 10 through the connecting rod 6, and the front end of the seat plate 2 is connected to the front end of the side plate 10. The front end of the side plate 10 is hinged; both sides of the lower end of the backrest 1 are connected to the rear of the seat plate 2 through a linkage mechanism, and the footrest mechanism 3 is connected to an extension mechanism.

Further, the linkage mechanism includes a U-shaped linkage rod 7, a slider push rod 11, a slider 12 and an air spring 8, and the two sides of the lower end of the back rest 1 are connected with the U-shaped linkage rod 7, the other end of the U-shaped linkage rod 7 is connected with the slider push rod 11, the slider push rod 11 is provided with the slider 12, and the seat plate 2 A slider groove 13 is installed, the slider 12 can slide back and forth in the slider groove 13, the slider 12 is connected with one end of the gas spring 8, the gas spring 8 The other end is connected with the front end of the side plate 10 through a pin shaft.

Further, the stretching mechanism includes a self-locking gas spring 16 and a front-end transverse fixing plate 9, a rear-end transverse fixing plate 18 is arranged between the rear ends of the side plates 10 on both sides, and the foot rests on both sides A front-end transverse fixing plate 9 is arranged between the ends of the mechanism 3, and one end of the self-locking gas spring 16 is affixed to the middle part of the rear-end transverse fixing plate 18 through a pin shaft. The other end of the spring 16 is affixed to the middle part of the front end transverse fixing plate 9 through a pin shaft, and the self-locking gas spring 18 is connected with a button 15 for control.

Further, the footrest mechanism 3 includes a quadrangular mechanism and a footrest 14 , and the front end of the quadrangular mechanism is supported and connected to the footrest 14 .

Further, the side plate 10 is a T-shaped plate.

The working principle of the utility model is as follows:

Backrest tilting process: When the user sits on the seat board 2 and leans back, the backrest 1 is stressed, and under the joint action of the U-shaped linkage rod 7 and the sliding push rod 11, the slider 12 is pushed in the slider groove. 13 movements, with the back leaning on 1 and slowly tilting to the maximum position.

The movement process of the seat board: when the user sits on the seat board 2, the seat board 2 receives the maximum vertical force and is at the lowest position at this moment. And when the user leans back, the backrest 1 is stressed, drives the sliding push rod 7, and pushes the slider 12 to move in the slider groove 13. Since the slider groove 13 is fixedly connected with the seat board 2, the seat board 2 is stressed. Lift up, when the backrest 1 reaches the maximum limit position, the seat board 2 is lifted to the maximum position. The lifting of the seat board 2 prevents displacement of the two contact surfaces of the back end and the sponge at the seat end when the rack moves, thereby improving the sitting feeling of the user.

Footrest contraction and extension process: when the user needs to rest, press the button 15, the self-locking gas spring 16 stretches out, and drives the footrest 14 to extend to the horizontal position, and the self-locking gas spring is in the locked state at this time. When the user needs to recover the footrest, press the button again, the self-locking gas spring releases the locked state, the leg exerts force on the footrest, and the footrest mechanism slowly recovers to the initial position.

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

Claims (5)

1. slide block type leisure old-man chair, comprise lean against, seat, base and leg rest mechanism, it is characterized in that: the rear and front end of described base both sides is respectively arranged with vertical bar, the rear and front end of welding side plate on the vertical bar described in front and back, the described rear end that leans against the side plate described in being hinged on by connecting rod, the front end of the front end of described seat and described side plate is hinged; The described both sides, lower end that lean against are connected with the rear portion of described seat by an interlinked mechanism, and described leg rest mechanism is connected with an extension means.

2. slide block type as claimed in claim 1 leisure old-man chair, it is characterized in that: described interlinked mechanism comprises U-shaped trace, slide block push rod, slide block and air spring, the described both sides, lower end that lean against are connected with one end of described U-shaped trace respectively, the other end of described U-shaped trace is connected with slide block push rod, on described slide block push rod, be provided with described slide block, one slide block slot is installed on described seat, described slide block can slide front and back in described slide block slot, described slide block is connected with one end of described air spring, the other end of described air spring is connected with the front end of side plate by bearing pin.

3. slide block type as claimed in claim 2 leisure old-man chair, it is characterized in that: described extension means comprises self-locking air spring and the horizontal fixed head of front end, between the rear end of the side plate described in both sides, be provided with the horizontal fixed head in rear end, between the end of the leg rest mechanism described in both sides, be provided with the horizontal fixed head of front end, one end of described self-locking air spring is fixed in the middle part of the described horizontal fixed head in rear end by bearing pin, the other end of described self-locking air spring is fixed in the middle part of the described horizontal fixed head of front end by bearing pin, described self-locking air spring is connected with a button control.

4. slide block type as claimed in claim 3 leisure old-man chair, is characterized in that: described leg rest mechanism comprises a quadrangular mechanism and a toe board, the front end of described quadrangular mechanism and described toe board support and connection.

5. slide block type leisure old-man chair as claimed in claim 4, is characterized in that: described side plate is T-shaped plate.