CN209360103U - A kind of foldable office chair seat cushion of adjustable handrail frame - Google Patents

Abstract

The utility model discloses a kind of foldable office chair seat cushions of adjustable handrail frame, including pedestal, bearing there are two being respectively symmetrically fixedly mounted in pedestal middle-end and one end two sides, and equal turning set is equipped with level-one shaft and second level shaft in two parallel bearings, and is fixedly connected with bracket in level-one both ends of the shaft.The utility model is by improving existing office chair manufacturing technology, have the function of office chair armrest frame and bustle device adjustable, realize that the height and distance between arm-rest frame and desk further optimizes, avoid arm in desktop operation hanging for a long time, improve the compatible degree of office chair armrest frame and arm, it adjusts to realize prolonged comfort for sitting posture by the angle position of backrest and bustle, by to the integrally-built optimization of office chair seat cushion, realize that backrest and arm-rest frame are foldable, to realize office chair seat cushion foldable for storage when idle, it reduces space hold and is convenient for storage and managenent.

Description

A kind of foldable office chair seat cushion of adjustable handrail frame

Technical field

The utility model relates to office's desk-top organizer technical field more particularly to a kind of foldings of adjustable handrail frame Office chair seat cushion.

Background technique

Office chair, English office chair refer in routine work and social activities for work is convenient and is equipped with each Kind chair.Office chair is divided into narrow sense and broad sense by OfficeMate office partner, and the office chair of narrow sense refers to people in sitting posture state Lower to carry out the chair sat when desktop work, the office chair of broad sense is all chairs for office, including executive chair, in Class's chair, chair of receiving a visitor, office worker's chair, conference chair, visitor's chair, training chair etc..As the gradually extension of office worker crowd's working time makes Office worker prolonged sitting posture office in there are numerous physical health issues because existing for existing office chair it is some not Foot place makes office worker be difficult to keep comfortable sitting posture when working and conveniently and efficiently be worked, and office chair is helped Hand cradle is difficult to adjust alone because being structure as a whole with office chair seat cushion, then can be with desk when carrying out office chair position and adjusting Offset, be not easy to office worker and keep comfortable sitting posture, especially in staff when carrying out computer operation because of needs It carries out that position is mobile to cause arm segment to be in overhead positions for a long time to mouse, so that elbow joint is easily ached fatigue, together When be difficult to reach the sitting posture habit of different crowd on backrest and bustle device, easily lead to the discomfort of human body back, in addition exist When carrying out idle storage to office chair, because office chair bulky causes occupancy larger space to cause greatly not to article storage Just, it is unfavorable for carrying out preservation management to idle office chair.

Utility model content

Purpose of the utility model is to solve neutral gear gaps existing when the application of office chair in the prior art to make hand Comfort level caused by arm and waist are hanging for a long time is lowly and the problem of idle office chair storage and managenent, and the one kind proposed is adjustable The foldable office chair seat cushion of arm-rest frame.

To achieve the goals above, the utility model adopts the technical scheme that

In a kind of foldable office chair seat cushion of adjustable handrail frame, including pedestal, the pedestal middle-end and one end two sides respectively Bearing there are two being symmetrically fixedly welded, and equal hinge is connected with level-one shaft and second level shaft, and level-one in two parallel bearings Bracket is welded in both ends of the shaft, interference fit has connecting shaft, and connecting shaft both ends pair on the one end of the bracket far from level-one shaft Title is welded with two pulleys, and two pulleys are wherein welded with curved pole socket, and the curved pole socket other end on the side in outside It is inside welded with spring stack, the spring stack upper end is welded and connected with gag lever post, and iron square hinge is connected with handrail on two pulleys Frame, the arm-rest frame lower end surface symmetrically offers two sliding slots, and offers limiting groove, the second level shaft on the outside of arm-rest frame Backrest is welded on both ends, and two sides are symmetrically welded there are two bearing in backrest, and two bearing inner hinges are connected with three-level and turn Axis, and arm-rest frame one end two sides are connect with three-level both ends of the shaft hinge respectively.

Preferably, the backrest is symmetrically welded with four connecting rods, and connecting rod in one end two sides of three-level shaft Riveting has bustle on the other end, and support panel is welded on the outside of the backrest upper end, and panel interference fit is supported to have level Four to turn Axis is welded with neck pad in the level Four both ends of the shaft.

Preferably, two sliding slots that two pulleys are opened up with arm-rest frame lower end surface respectively are slidably fastened, the limit Bar is far from being welded with convex knob on one end of spring stack, and convex knob is an integral molding structure with gag lever post, the convex knob and arm-rest frame The limiting groove that outside opens up is slidably fastened.

Preferably, the curved pole socket uses hollow structure, and one end of spring stack is embedded in the upper end of curved pole socket.

Preferably, the connecting rod uses concave-shaped structure, and connecting rod inner wall fits with backrest both sides of the face.

Preferably, the sliding slot is consistent with limiting groove length and curvature.

Compared with prior art, the utility model has following advantages:

1, the utility model makes office chair armrest frame and bustle device by being improved existing office chair manufacturing technology With adjustable function, realizes that the height and distance between arm-rest frame and desk further optimizes, grasp arm in desktop As when avoid hanging for a long time, improve the compatible degree of office chair armrest frame and arm, pass through backrest and the angle position tune of bustle It is whole to realizing prolonged comfort for sitting posture.

2, the utility model is by the integrally-built optimization of office chair seat cushion, realizing that backrest and arm-rest frame are foldable, from And realize office chair seat cushion foldable for storage when idle, it reduces space hold and is convenient for storage and managenent.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of adjustable handrail frame foldable office chair seat cushion structural schematic diagram；

Fig. 2 be the utility model proposes a kind of adjustable handrail frame foldable office chair seat cushion holder part structural representation Figure；

Fig. 3 be the utility model proposes the arm-rest frame part-structure of foldable office chair seat cushion of adjustable handrail frame a kind of show It is intended to；

Fig. 4 be the utility model proposes a kind of adjustable handrail frame foldable office chair seat cushion A part-structure amplification show It is intended to.

In figure: 1 pedestal, 2 level-one shafts, 3 brackets, 4 connecting shafts, 5 pulleys, 6 curved pole sockets, 7 spring stacks, 8 gag lever posts, 9 are helped Hand cradle, 10 sliding slots, 11 limiting grooves, 12 second level shafts, 13 backrests, 14 three-level shafts, 15 connecting rods, 16 bustles, 17 supporting surfaces Plate, 18 level Four shafts, 19 neck pads.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-4, a kind of foldable office chair seat cushion of adjustable handrail frame, including pedestal 1,1 middle-end of pedestal and one end two Two bearings are respectively symmetrically welded in side, and equal hinge is connected with level-one shaft 2 and second level shaft 12 in two parallel bearings, And level-one shaft 2 and second level both ends of the shaft all extend on the outside of bearing, convenient for being connected with bracket 3 and backrest 13, and level-one turns Bracket 3 is welded on 2 both ends of axis, interference fit has connecting shaft 4, and 4 both ends pair of connecting shaft on the one end of bracket 3 far from level-one shaft 2 Title is welded with two pulleys 5, and two pulleys 5 are wherein welded with curved pole socket 6, and 6 other end of curved pole socket on the side in outside Inside it is welded with spring stack 7,7 upper end of spring stack is welded with gag lever post 8, and it is symmetrical on gag lever post 8 and curved 6 vertical direction of pole socket, two Iron square hinge is connected with arm-rest frame 9 on a pulley 5, and 9 lower end surface of arm-rest frame symmetrically offers two sliding slots 10, and 9 outside of arm-rest frame Limiting groove 11 is offered, backrest 13 is welded on 12 both ends of second level shaft, and two sides are symmetrically welded there are two axis in backrest 13 Hold, and two bearing inner hinges are connected with three-level shaft 14, and 9 one end two sides of arm-rest frame respectively with 14 both ends hinge of three-level shaft Connection.

Backrest 13 is symmetrically welded with four connecting rods 15 in one end two sides of three-level shaft 14, and connecting rod 15 is another Riveting has bustle 16 on one end, pulls connecting rod 15 to move up and down bustle 16 up and down by manpower, and make bustle 16 and backrest 13 fit, and support panel 17 is welded on the outside of 13 upper end of backrest, and interference fit is supported on panel 17 to have a level Four shaft 18, and four Grade shaft is welded with neck pad 19 on 18 both ends, and two sliding slots 10 that two pulleys 5 are opened up with 9 lower end surface of arm-rest frame respectively slide card Close, gag lever post 8 is welded with convex knob on one end far from spring stack 7, and convex knob is an integral molding structure with gag lever post, convex knob with help The limiting groove 11 opened up on the outside of hand cradle 9 is slidably fastened, and convex knob can slide under manpower effect in limiting groove 11, manpower pine It opens rear convex knob to be fixed in limiting groove 11, curved pole socket 6 uses hollow structure, and one end of spring stack 7 is embedded in song In the upper end of type pole socket 6, connecting rod 15 uses concave-shaped structure, and 15 inner wall of connecting rod fits with 13 both sides of the face of backrest, Sliding slot 10 is consistent with 11 length of limiting groove and curvature to be convenient for gag lever post 8 to be fixed.

When the utility model is used, carry out bracket 3 with 2 fulcrum of level-one shaft longitudinal rotating bracket 3 by manpower Direction rotation, the pulley 5 at 3 end of bracket is slided in the sliding slot 10 that 9 lower end of arm-rest frame opens up at the same time, until arm-rest frame 9 It adjusts and gag lever post 8 is pulled up by manpower to proper height extends 7 stress of level-one spring from inside to outside from curved pole socket 6, then The limiting groove 11 opened up on the outside of 8 one end of gag lever post and arm-rest frame 9 is set to be fixed, to make 9 height of arm-rest frame and angle Degree is fixed, and while bracket 3 carries out angle adjustment, the bottom end of backrest 13 is that fulcrum progress longitudinal direction turns with second level shaft 12 It is dynamic, and one end of arm-rest frame 9 is that fulcrum progress transverse direction rotation first passes through manpower when arm is hanging with three-level shaft 14 Gag lever post 8 is released out of limiting groove 11, then keeps bracket propelling sheave 5 sliding to one end far from three-level shaft 14 in sliding slot 10 It is dynamic to realize that position is fixed by gag lever post 8 again, so that arm is carried out contact support with the arm-rest frame 9 individually adjusted, then By pulling bustle 16 to be allowed to carry out, vertical direction is mobile offset by connecting rod 15 and backrest 13 realizing bustle 16 Position is fixed, then by manpower rotate neck pad 19 with level Four shaft 18 be fulcrum carry out angle adjustment, thus realize neck pad 19 with Neck is supported effect, by folding device progress opposite direction after use, to reduce office chair seat cushion Overall volume carries out storage and managenent in order to reduce the space occupied.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of foldable office chair seat cushion of adjustable handrail frame, including pedestal (1), which is characterized in that pedestal (1) middle-end with Two bearings are respectively symmetrically welded in the two sides of one end, and equal hinge is connected with level-one shaft (2) and two in two parallel bearings Grade shaft (12), and be welded with bracket (3) on level-one shaft (2) both ends, the one end of the bracket (3) far from level-one shaft (2) Upper interference fit has connecting shaft (4), and connecting shaft (4) both ends are symmetrically welded there are two pulley (5), two described its China and foreign countries of pulley (5) It is welded on the side of side curved pole socket (6), and is welded with spring stack (7), the spring stack in curved pole socket (6) other end (7) upper end is welded and connected with gag lever post (8), and iron square hinge is connected with arm-rest frame (9), the arm-rest frame on two pulleys (5) (9) lower end surface symmetrically offers two sliding slots (10), and offers limiting groove (11) on the outside of arm-rest frame (9)；

It is welded with backrest (13) on second level shaft (12) both ends, and backrest (13) interior two sides are symmetrically welded there are two bearing, And two bearing inner hinges are connected with three-level shaft (14), and arm-rest frame (9) one end two sides respectively with three-level shaft (14) both ends Hinge connection.

2. a kind of foldable office chair seat cushion of adjustable handrail frame according to claim 1, which is characterized in that the backrest (13) four connecting rods (15) are symmetrically welded in one end two sides of three-level shaft (14), and on connecting rod (15) other end Riveting has bustle (16), and support panel (17) is welded on the outside of backrest (13) upper end, and interference on panel (17) is supported to match Conjunction has level Four shaft (18), is welded with neck pad (19) on level Four shaft (18) both ends.

3. a kind of foldable office chair seat cushion of adjustable handrail frame according to claim 1, which is characterized in that two cunnings Two sliding slots (10) that wheel (5) is opened up with arm-rest frame (9) lower end surface respectively are slidably fastened, and the gag lever post (8) is far from spring stack (7) it is welded with convex knob on one end, and convex knob is an integral molding structure with gag lever post, is opened on the outside of the convex knob and arm-rest frame (9) If limiting groove (11) be slidably fastened.

4. a kind of foldable office chair seat cushion of adjustable handrail frame according to claim 1, which is characterized in that the curved bar Seat (6) uses hollow structure, and one end of spring stack (7) is embedded in the upper end of curved pole socket (6).

5. a kind of foldable office chair seat cushion of adjustable handrail frame according to claim 2, which is characterized in that the connecting rod (15) concave-shaped structure is used, and connecting rod (15) inner wall fits with backrest (13) both sides of the face.

6. a kind of foldable office chair seat cushion of adjustable handrail frame according to claim 1, which is characterized in that the sliding slot (10) consistent with limiting groove (11) length and curvature.