CN108618438A

CN108618438A - A kind of foldable office chair seat cushion of adjustable handrail frame

Info

Publication number: CN108618438A
Application number: CN201810662396.4A
Authority: CN
Inventors: 韩久新
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2018-10-09

Abstract

The invention 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 both sides, and equal turning set is equipped with level-one shaft and two level shaft in two parallel bearings, and it is fixedly connected with holder on level-one shaft both ends.The present invention is by improving existing office chair manufacturing technology, office chair armrest frame and bustle device is set to have the function of adjustable, realize that the height and distance between arm-rest frame and desk further optimizes, arm is set to be avoided when desktop operates hanging for a long time, improve the compatible degree of office chair armrest frame and arm, it is adjusted by the angle position of backrest and bustle to realize prolonged comfort for sitting posture, 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 present invention relates to a kind of folding of office's desk-top organizer technical field more particularly to adjustable handrail frame offices Seat cushion.

Background technology

Office chair, English office chair, refer in routine work and social activities for work it is convenient be equipped with it is each Kind chair.Office chair is divided into narrow sense and broad sense by the OfficeMate partners that handle official business, and the office chair of narrow sense refers to people in sitting posture state It is lower to carry out the chair sat when desktop work, the office chair of broad sense for be useful for office chair, including executive chair, in Class's chair, chair of receiving a visitor, office worker's chair, conference chair, visitor's chair, training chair etc..Make with the gradual extension of working clan crowd's working time It obtains working clan and numerous physical health issues occurs in the office of prolonged sitting posture, because some are not existing for existing office chair Foot place so that office worker is difficult to keep comfortable sitting posture when working and is conveniently and efficiently worked, help by office chair 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 Carrying out position movement to mouse causes arm segment to be in overhead positions for a long time, so that elbow joint is easily ached fatigue, together When be difficult to reach the sitting posture custom 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 be caused greatly not to article storage Just, it is unfavorable for carrying out preservation management to idle office chair.

Invention content

The purpose of the present invention is to solve neutral gear gap existing when office chair in the prior art is applied make arm and Comfort level caused by waist is hanging for a long time is lowly and the problem of idle office chair storage and managenent, and a kind of adjustable handrail proposed The foldable office chair seat cushion of frame.

To achieve the goals above, present invention employs following technical solutions：

A kind of foldable office chair seat cushion of adjustable handrail frame, including pedestal, the pedestal middle-end and difference in the both sides of one end Two bearings symmetrically are fixedly welded with, and equal hinge connection has level-one shaft and two level shaft, and level-one in two parallel bearings Holder is welded on shaft both ends, interference fit has connecting shaft, and connecting shaft both ends pair on the one end of the holder far from level-one shaft Title is welded with two pulleys, and two pulleys are welded with curved pole socket, and the curved pole socket other end on the wherein side in outside It is inside welded with spring stack, the spring stack upper end is welded and connected with gag lever post, and two pulleys top hinge connections have handrail Frame, the arm-rest frame lower face symmetrically offers two sliding slots, and offers limiting groove, the two level shaft on the outside of arm-rest frame It is welded with backrest on both ends, and both sides are symmetrically welded that there are two bearings in backrest, and two bearing inner hinges are connected with three-level and turn Axis, and arm-rest frame one end both sides respectively with the both ends hinge connection of three-level shaft.

Preferably, the backrest is symmetrically welded with four connecting rods, and connecting rod in one end both 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, the level Four shaft are welded with neck pad on both ends.

Preferably, two sliding slots that two pulleys are opened up with arm-rest frame lower face respectively are slidably fastened, the limit Bar is welded with convex knob on one end far from 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 present invention has following advantages：

1, the present invention makes office chair armrest frame and bustle device have by being improved existing office chair manufacturing technology Adjustable function realizes that the height and distance between arm-rest frame and desk further optimizes, makes arm when desktop operates Avoid hanging for a long time, improve the compatible degree of office chair armrest frame and arm, by the adjustment of the angle position of backrest and bustle from And realize prolonged comfort for sitting posture.

2, the present invention is by the integrally-built optimization of office chair seat cushion, realizing that backrest and arm-rest frame are foldable, to real Existing office chair seat cushion foldable for storage when idle reduces space hold and is convenient for storage and managenent.

Description of the drawings

Fig. 1 is a kind of structural schematic diagram of the foldable office chair seat cushion of adjustable handrail frame proposed by the present invention；

Fig. 2 is a kind of holder part structural schematic diagram of the foldable office chair seat cushion of adjustable handrail frame proposed by the present invention；

Fig. 3 is a kind of arm-rest frame part-structure signal of foldable office chair seat cushion of adjustable handrail frame proposed by the present invention Figure；

Fig. 4 is a kind of part A structure enlargement diagram of the foldable office chair seat cushion of adjustable handrail frame proposed by the present invention.

In figure：1 pedestal, 2 level-one shafts, 3 holders, 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 two 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 implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with Specific azimuth configuration and operation, therefore be not considered as limiting the 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 connection has level-one shaft 2 and two level shaft 12 in two parallel bearings, And level-one shaft 2 is all extended to two level shaft both ends on the outside of bearing, convenient for being connected with holder 3 and backrest 13, and level-one turns Holder 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 holder 3 far from level-one shaft 2 Title is welded with two pulleys 5, and two pulleys 5 are welded with curved pole socket 6, and 6 other end of curved pole socket on the wherein side in outside Inside be welded with spring stack 7,7 upper end of spring stack is welded with gag lever post 8, gag lever post 8 with it is symmetrical in 6 vertical direction of curved pole socket, two The 5 top hinge connection of a pulley has arm-rest frame 9,9 lower face of arm-rest frame symmetrically to offer two sliding slots 10, and 9 outside of arm-rest frame Limiting groove 11 is offered, is welded with backrest 13 on 12 both ends of two level shaft, and both sides are symmetrically welded that there are two axis in backrest 13 Hold, and two bearing inner hinges are connected with three-level shaft 14, and 9 one end both 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 both sides of three-level shaft 14, and connecting rod 15 is another Riveting has bustle 16 on end, pulls connecting rod 15 that bustle 16 is made to move up and down up and down by manpower, and make bustle 16 and backrest 13 It fits, support panel 17 is welded on the outside of 13 upper end of backrest, and support that interference fit has level Four shaft 18, level Four on panel 17 Neck pad 19 is welded on 18 both ends of shaft, two sliding slots 10 sliding card that two pulleys 5 are opened up with 9 lower face of arm-rest frame respectively 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 that 9 outside of hand cradle opens up is slidably fastened, and convex knob can be under manpower effect in sliding 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 fixed convenient for gag lever post 8.

The present invention makes holder 3 carry out longitudinal direction with level-one shaft 2 for fulcrum in use, by manpower by rotating bracket 3 Rotation, at the same time the pulley 5 at 3 end of holder is slided in the sliding slot 10 that 9 lower end of arm-rest frame opens up, until arm-rest frame 9 adjusts Pulling up gag lever post 8 by manpower to proper height makes 7 stress of level-one spring extend from inside to outside from curved pole socket 6, then makes limit The limiting groove 11 that position 8 one end of bar is opened up with 9 outside of arm-rest frame is fixed, to keep 9 height of arm-rest frame and angle solid Fixed, while holder 3 carries out angle adjustment, the bottom end of backrest 13 carries out longitudinal direction rotation with two level shaft 12 for fulcrum, And one end of arm-rest frame 9 is that fulcrum progress horizontal direction rotation first passes through manpower from limit when arm is hanging with three-level shaft 14 Gag lever post 8 is released in the groove 11 of position, then holder propelling sheave 5 is made to lead to again to one end sliding far from three-level shaft 14 in sliding slot 10 It crosses gag lever post 8 and realizes that position is fixed, so that arm is carried out contact support with the arm-rest frame 9 individually adjusted, then pass through drawing Dynamic bustle 16 is allowed to carry out vertical direction movement to offset to realize that 16 position of bustle is solid with backrest 13 by connecting rod 15 It is fixed, then it is that fulcrum carries out angle adjustment to rotate neck pad 19 by manpower with level Four shaft 18, to realize neck pad 19 and neck into Row supporting role, by folding device progress opposite direction after use, to reduce office chair seat cushion entirety body Product carries out storage and managenent in order to reduce the space occupied.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

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 both sides of one end, and equal hinge connection has level-one shaft (2) and two in two parallel bearings Grade shaft (12), and holder (3) is welded on level-one shaft (2) both ends, the one end of the holder (3) far from level-one shaft (2) Upper interference fit has a connecting shaft (4), and connecting shaft (4) both ends are symmetrically welded that there are two pulley (5), two described its China and foreign countries of pulley (5) It is welded with curved pole socket (6) on the side of side, and spring stack (7), the spring stack are welded in curved pole socket (6) other end (7) upper end is welded and connected with gag lever post (8), and two pulleys (5) top hinge connections have arm-rest frame (9), the arm-rest frame (9) lower face symmetrically offers two sliding slots (10), and offers limiting groove (11) on the outside of arm-rest frame (9).

Backrest (13) is welded on two level shaft (12) both ends, and backrest (13) interior both 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 both 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 both 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 supports that interference is matched on panel (17) Conjunction has level Four shaft (18), and neck pad (19) is welded 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 face 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 1, 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.