CN210643363U

CN210643363U - Connection structure of seat frame and chair leg support of accompanying chair

Info

Publication number: CN210643363U
Application number: CN201921226816.0U
Authority: CN
Inventors: 王洪波
Original assignee: Luoyang Kabin Industrial Co ltd
Current assignee: Luoyang Kabin Industrial Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-02
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a connection structure of frame and chair foot support of accompanying and attending to chair, including chair foot support, seat frame, bracing piece and cardboard, chair foot support includes the hack lever of two parallel before and after, and two corresponding sides of hack lever are connected with a bracing piece respectively, and two bracing pieces are located same straight line, the frame of sitting include the connecting rod of two parallel before and after, two connecting rods are located between two hack levers, the downside of two connecting rods all is provided with the cardboard, the downside of cardboard is provided with a plurality of draw-in grooves, a plurality of draw-in grooves evenly set up along the length direction interval of cardboard, the draw-in groove one-to-one on two cardboards, two bracing pieces are located the draw-in groove of corresponding side cardboard respectively.

Description

Connection structure of seat frame and chair leg support of accompanying chair

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a connection structure of seat frame and chair foot support of chair of accompanying and attending to.

Background

At present, because hospital beds in various cities are tense, families nursing patients are difficult to get vacant hospital beds to lie down for rest and sleep. In order to relieve the fatigue of caregivers and enable the caregivers to more comfortably lie and sleep while nursing patients, a dual-purpose chair for sitting and lying with a smaller floor space has been developed. The often be equipped with the chair of accompanying and attending to that supplies the patient of accompanying and attending to the person rest usefulness in the ward, for the convenience of accompanying and attending to the person and using, common chair of accompanying and attending to possesses folding function mostly, can expand into the bed through folding the chair of accompanying and attending to and supply the person of accompanying and attending to lie, realizes that a thing is dual-purpose.

The structure of the accompanying chair in the prior art constitutes, including chair foot support, the head cushion, the back cushion, cushion and connecting piece, the head cushion, the back cushion, the cushion all comprises rectangular frame and the cushion that sets up in the frame, the accompanying chair is when packing up, the back cushion all is vertical state and draws close each other with the head cushion, the cushion is located chair foot support, angle between cushion and the back cushion is for being approximate 90 degrees, the cushion bottom is provided with the draw-in groove, be provided with the fixture block on chair foot support, make the cushion restricted on chair foot support through being connected of fixture block and draw-in groove, make the user of service can sit and lean on. However, in the existing structure, the angle between the cushion and the back cushion can not be changed, so that the user can only sit upright, but the inclination angle of the back cushion can not be adjusted, and various use requirements of people can not be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims at providing a connection structure of a seat frame and a chair leg support of an accompanying chair, which can change the angle of a back cushion through adjusting the position of the seat frame on the chair leg support, and is convenient for people to use.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a connection structure of frame and chair foot support of accompanying and attending to chair, includes chair foot support, sits frame, bracing piece and cardboard, chair foot support includes the hack lever that is parallel from front to back two, and two corresponding sides of hack lever are connected with a bracing piece respectively, and two bracing pieces are located same straight line, the frame of sitting include the connecting rod that is parallel from front to back two, two connecting rods are located between two hack levers, the downside of two connecting rods all is provided with the cardboard, the downside of cardboard is provided with a plurality of draw-in grooves, a plurality of draw-in grooves evenly set up along the length direction interval of cardboard, the draw-in groove one-to-one on two cardboards, two bracing pieces are located the draw-in groove.

Furthermore, the clamping groove is in an inverted V shape.

Furthermore, the upper surface of the connecting rod is in an inverted V shape matched with the clamping groove.

Furthermore, the hack levers are of right-angle structures integrally formed by vertical side plates and horizontal side plates, and the horizontal side plates of the two hack levers correspond to each other.

Furthermore, a limiting groove is formed in the inner side face of the vertical side plate, a plurality of through holes penetrating through the vertical side plate are uniformly distributed in the limiting groove along the length direction of the limiting groove, a fixing plate is arranged in the limiting groove, one end part of the supporting rod is fixedly connected to the fixing plate, and the bolt sequentially penetrates through the through holes and the fixing plate and then is locked through a nut to be connected with the fixing plate in a fastening mode.

Furthermore, two limiting plates which are symmetrical up and down are arranged on the inner side face of the vertical side plate, the limiting plates are in a right-angle shape, a limiting groove is formed between the two limiting plates and the vertical side plate, and the fixing plate is located in the limiting groove.

Due to the adoption of the technical scheme, the utility model discloses following superiority has:

1. through setting up a plurality of draw-in groove on the cardboard, when different draw-in grooves and bracing piece joint, the front and back position of left side frame on chair foot support is different to make and sit frame articulated back frame's inclination different, this different back angles that want when just can satisfying different people and sitting on accompanying chair.

2. Through set up the spacing groove on the hack lever to at spacing inslot connecting plate, through changing the position of fixed plate at the spacing inslot, can adjust the position of bracing piece, thereby also can play the effect that changes the inclination of sitting the frame.

Drawings

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

FIG. 2 is a schematic structural diagram of the second embodiment;

in the figure: 1. a frame bar; 2. a connecting rod; 3. a support bar; 4. a card slot; 5. a limiting plate; 6. a fixing plate; 7. and a through hole.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Embodiment one, as shown in fig. 1, a connection structure of a frame of sitting and a chair foot support of accompanying chair, includes chair foot support, sits frame, bracing piece and cardboard, and chair foot support includes two hacks 1 that are parallel from front to back, and two corresponding sides of hack lever 1 are connected with a bracing piece 3 respectively, and two bracing pieces 3 are located same straight line, sit frame include two connecting rods 2 that are parallel from front to back, two connecting rods 2 are located between two hacks 1, and the downside of two connecting rods 2 all is provided with the cardboard, and the downside of cardboard is provided with a plurality of draw-in grooves 4, and a plurality of draw-in grooves 4 evenly set up along the length direction interval of cardboard, draw-in groove 4 one-to-one on two cardboards, two bracing pieces 3 are located the draw-in groove 4 of the cardboard of corresponding side.

In order to ensure that the clamping plate is firmly connected with the supporting rod 3, the clamping groove 4 is in an inverted V shape, and further, the upper surface of the connecting rod 2 is in an inverted V shape matched with the clamping groove 4.

The utility model discloses in, hack lever 1 is the right angle column structure of constituteing by vertical curb plate and horizontal curb plate an organic whole, and two hack levers 1's horizontal curb plate is corresponding, and 3 one ends of bracing piece are connected on the medial surface of vertical curb plate.

The utility model discloses in, hack lever 1, connecting rod 2 and bracing piece 3 are the iron material, and when specifically adding man-hour, the cardboard welding is on connecting

rod

2, and 3 one end welding of bracing piece are on vertical curb plate.

In the second embodiment, as shown in fig. 2, a limiting groove is formed on the inner side surface of the vertical side plate, a plurality of through holes 7 penetrating through the vertical side plate are uniformly formed in the limiting groove along the length direction of the limiting groove, a fixing plate 6 is arranged in the limiting groove, one end of the support rod 3 is fixedly connected to the fixing plate 6, and a bolt passes through the through holes 7 and the fixing plate 6 in sequence and is locked by a nut to realize the fastening connection between the fixing plate 6 and the vertical side plate.

Preferably as this embodiment, be provided with two limiting plate 5 of longitudinal symmetry on the medial surface of vertical curb plate, limiting plate 5 is the right angle form, forms between two limiting plates and the vertical curb plate the spacing groove, the fixed plate is located the spacing inslot.

The rack rod is characterized in that the limiting plate and the fixing plate are made of iron materials, one end of the supporting rod is welded on the fixing plate, mounting holes corresponding to the through holes are formed in the two sides of the supporting rod on the fixing plate respectively, and after the fixing plate moves to a proper position on the rack rod, bolts penetrate through the through holes and the mounting holes and are locked through nuts.

In this embodiment, the position of bracing piece 3 on hack lever 1 is adjustable for cardboard and the bracing piece be connected also more freely nimble, make the position of sitting the frame on chair foot support can multiple regulation, sit the position of frame through the adjustment, so that can adjust with the inclination of sitting frame articulated back cushion, in order to satisfy different operation requirements.

Claims

1. The utility model provides a connection structure of frame and chair foot support of accompanying and attending to chair, includes chair foot support, sits frame, bracing piece and cardboard, chair foot support includes the hack lever of parallel around two, and two corresponding sides of hack lever are connected with a bracing piece respectively, and two bracing pieces are located same straight line, sit the frame include the connecting rod of parallel around two, two connecting rods are located between two hack levers, its characterized in that: the downside of two connecting rods all is provided with the cardboard, and the downside of cardboard is provided with a plurality of draw-in grooves, and a plurality of draw-in grooves evenly set up along the length direction interval of cardboard, the draw-in groove one-to-one on two cardboards, and two bracing pieces are located the draw-in groove that corresponds the side cardboard respectively.

2. The connection structure of a seat frame and a leg support of a chair according to claim 1, characterized in that: the clamping groove is in an inverted V shape.

3. The connection structure of a seat frame and a leg support of a chair according to claim 2, characterized in that: the upper surface of the connecting rod is in an inverted V shape matched with the clamping groove.

4. The connection structure of a seat frame and a leg support of a chair according to claim 1, characterized in that: the hack levers are right-angle structures which are integrally formed by vertical side plates and horizontal side plates, and the horizontal side plates of the two hack levers correspond to each other.

5. The connection structure of a seat frame and a leg support of a chair according to claim 4, characterized in that: the limiting groove is formed in the inner side face of the vertical side plate, a plurality of through holes penetrating through the vertical side plate are uniformly distributed in the limiting groove along the length direction of the limiting groove, a fixing plate is arranged in the limiting groove, one end part of the supporting rod is fixedly connected to the fixing plate, and the bolt sequentially penetrates through the through holes and the fixing plate and then is locked through the nut to be connected with the fixing plate in a fastening mode.

6. The connection structure of a seat frame and a leg support of a chair according to claim 5, characterized in that: two limiting plates which are symmetrical up and down are arranged on the inner side face of the vertical side plate, the limiting plates are in a right-angle shape, a limiting groove is formed between the two limiting plates and the vertical side plate, and the fixing plate is located in the limiting groove.