CN201104654Y

CN201104654Y - Lifting and inclined regulating mechanism of office revolving chair backing plate

Info

Publication number: CN201104654Y
Application number: CNU2007201132003U
Authority: CN
Inventors: 叶根林
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-17
Filing date: 2007-08-17
Publication date: 2008-08-27
Anticipated expiration: 2017-08-17

Abstract

The utility model relates to an adjusting mechanism of office swivel chair saucer for elevating and inclining, comprising a support fixed on the bottom of a swivel chair cushion. An attic base is fixed on the support and a connecting hold is slotted on the attic base. A stand of cushion is fixed in the connecting hold. The utility model is characterized in that the connecting shafts between the attic base and the support are hinged with each other and a clamp is welded on the connecting shaft. An opening is slotted on the central section of the attic base. A spring adjusting device is fixed on the attic base and pressed on the clamp tightly. An upper lifting adjusting rod and a lower lifting adjusting rod as well as a front inclining adjusting rod and a back inclining adjusting rod are fixed on the left side and the right side of the attic base. A cam is arranged on the front end of the lifting adjusting rod and the cam contacts with one end of a knockout pin which is movably connected in the left inside of the attic base. A tappet is arranged on the front end of the inclining adjusting rod and connected with a pull rod. The pull rod is connected with a fixing block and the fixing block is matched with the clamp. The adjusting mechanism has the advantages of improving the comfort and service performance of the swivel chair and reducing the fatigue of user and also has the advantages of simple structure and easy accomplishment.

Description

The lifting of office revolving chair disc, reclining governor motion

Technical field

The utility model relates to swivel chair, particularly relates to lifting, the reclining governor motion of office revolving chair disc, belongs to field of office furniture.

Background technology

In existing office revolving chair, cushion and backrest are installed in sitting of swivel chair disc on the carriage, make and constituted fixing angle between cushion and the backrest, the user is sitting up straight or can not change angle between cushion and the backrest backward during reclining, and after relying on during reclining user's back to exert pressure backward, could realize on existing swivel chair backrest the inclination of backrest short time, but can't be fixed on the angle of a certain inclination, cause fatigue easily so the user sits up straight for a long time in a posture.

Summary of the invention

The purpose of this utility model is in order to overcome the shortcoming that prior art exists, provide a kind of swivel chair lift adjustment freely, the angle of backrest and cushion increased automatically when backrest receded, and can be with lifting, the reclining governor motion of the office revolving chair disc of the angle locking that tilts.

The lifting of the utility model office revolving chair disc, the technical scheme of reclining governor motion is: the support that is installed in swivel chair cushion bottom is arranged, attic base is installed on the support, be shaped on connecting hole in the attic base, the cushion pillar is installed in the connecting hole, the connecting axle that it is characterized in that attic base and support is mutually hinged, on connecting axle, weld pressing plate, the middle part of attic base is shaped on opening, and the mounting spring adjusting device is pressed on the pressing plate, install respectively the left and right sides at attic base, following lifting regulating rod and before, back reclining adjusting rod, the front end of lifting regulating rod is installed cam, and cam push rod one end inboard with being movably connected in an attic base left side contacts, and the other end of the push rod cushion lift cylinder interior with being installed in pillar contacts, at the front end of reclining adjusting rod protruding dish is installed, protruding dish cylinder lever connecting rod, pull bar connects fixture block, and fixture block matches with pressing plate.

The lifting of office revolving chair disc of the present utility model, reclining governor motion, when using, need raise to swivel chair, rotate lifting regulating rod, one end of the cam jack-up push rod on the lifting regulating rod, at this moment the other end of push rod is pressed on the lift cylinder, cylinder just up raises cushion, reach the height that needs after, lifting regulating rod restPosed to get final product.When the needs swivel chair reduces, rotate lifting regulating rod and start lift cylinder, as long as the user is sitting on the swivel chair, under self gravitation, cushion will be automatically toward descending.As need regulate the reclining angle of swivel chair when using the time, only need to rotate the reclining adjusting rod, the moving pull bar of protruding dribbling on the reclining adjusting rod moves backward, pull bar drives fixture block disengaging pressing plate simultaneously, spring regulating device is hinged through connecting axle and attic base by pressing plate, people are with the strength of the arm-chair back of the body of the lying wedge dish that inclines, and spring regulating device is subjected to force compresses, and chair back tilts.Rotate the reclining adjusting rod and return to original state, pressing plate is blocked by fixture block, thereby limits its forward and backward reclining.Adopt this governor motion to improve the comfortableness and the usability of swivel chair, the user can select comfortable angle to face upward the rest of lying, and has alleviated user's work fatigue degree, and simple in structure, implements easily.

The lifting of office revolving chair disc of the present utility model, reclining governor motion, its described spring regulating device is mounted in the vertical rod on the attic base base, pressing plate is passed in vertical rod, the outer mounting spring of vertical rod, and one of spring is pressed on the pressing plate, clamping cap is installed at the top of vertical rod, the other end of spring is fastened by clamping cap, and clamping cap can be rotated down and press, the spring compression, cushion reclining amplitude reduces, and plays regulating action.Its pull bar connects the extension spring seat, in the extension spring seat extension spring is installed, and the extension spring seat connects fixture block, is shaped on draw-in groove on the fixture block, and draw-in groove matches with pressing plate, can divide retaining to regulate, and the user can select to be fit to own comfortable angle of inclination and regulate.The edge of its attic base connecting hole is shaped on baffle plate, at the rear portion of fixture block collision block is installed, and collision block matches with baffle plate, and baffle plate plays position-limiting action, can reduce mechanical collision, increases the service life.Be shaped on pin-and-hole in its attic base left side, be shaped on perforation in push rod, be shaped on locating hole in the present inboard locating piece of facing left, pin-and-hole, perforation, locating hole distribution are movably connected and connect, and use flexibly.The pad part is installed in the connecting axle hinged place of its attic base and support, on the pad part cover plate is installed, and pad spare has been arranged, and has reduced the mechanical friction of attic base and support connecting axle, increases the service life cover plate fixed bolster spare.

Description of drawings

Fig. 1 is lifting, the reclining governor motion structural representation of the utility model office revolving chair disc;

Fig. 2 is lifting, the reclining governor motion A-A schematic cross-section of the utility model office revolving chair disc;

Fig. 3 is that the lifting, reclining governor motion B-B of the utility model office revolving chair disc is to schematic cross-section.

The specific embodiment

The utility model relates to the lifting of office revolving chair disc, the reclining governor motion, as shown in Figure 1-Figure 3, the support 1 that is installed in swivel chair cushion bottom is arranged, attic base 2 is installed on the support, be shaped on connecting hole 22 in the attic base 2, cushion pillar 3 is installed in the connecting hole 22, its major technology is characterised in that the attic base 2 and the connecting axle 11 of support 1 are mutually hinged, welding pressing plate 4 on connecting axle 11, the middle part of attic base 2 is shaped on opening 9, and mounting spring adjusting device 5 is pressed on the pressing plate 4, be separately installed with in the left and right sides of attic base 2, following lifting regulating rod 6 and before, back reclining adjusting rod 7, the front end of lifting regulating rod 6 is installed cam 61, and cam 61 push rod 62 one ends inboard with being movably connected in an attic base left side contact, and the other end of the push rod 62 cushion lift cylinder 8 interior with being installed in pillar 3 contacts, at the front end of reclining adjusting rod 7 protruding dish 71 is installed, protruding dish 71 cylinder lever connecting rods 72, pull bar 72 connects fixture block 75, and fixture block 75 matches with pressing plate 4.When using, need raise, rotate lifting regulating rod, an end of the cam jack-up push rod on the lifting regulating rod swivel chair, at this moment the other end of push rod is pressed on the lift cylinder, cylinder just up raises cushion, reach the height that needs after, lifting regulating rod restPosed to get final product.When the needs swivel chair reduces, rotate lifting regulating rod and start lift cylinder, as long as the user is sitting on the swivel chair, under self gravitation, cushion will be automatically toward descending.As need regulate the reclining angle of swivel chair when using the time, only need to rotate the reclining adjusting rod, the moving pull bar of protruding dribbling on the reclining adjusting rod moves backward, pull bar drives fixture block disengaging pressing plate simultaneously, spring regulating device is hinged through connecting axle and attic base by pressing plate, people are with the strength of the arm-chair back of the body of the lying wedge dish that inclines, and spring regulating device is subjected to force compresses, and chair back tilts.Rotate the reclining adjusting rod and return to original state, pressing plate is blocked by fixture block, thereby limits its forward and backward reclining.Adopt this governor motion to improve the comfortableness and the usability of swivel chair, the user can select comfortable angle to face upward the rest of lying, and has alleviated user's work fatigue degree, and simple in structure, implements easily.Its described spring regulating device 5 is mounted in the vertical rod 51 on attic base 2 bases 21, pressing plate 4 is passed in vertical rod 51, the outer mounting spring 52 of vertical rod, one of spring 52 is pressed on the pressing plate 4, and clamping cap 53 is installed at the top of vertical rod, and the other end of spring 52 is fastened by clamping cap 53, clamping cap can be rotated down and press, the spring compression, cushion reclining amplitude reduces, and plays regulating action.Its pull bar 72 connects extension spring seat 73, and extension spring 74 is installed in the extension spring seat, and extension spring seat 73 connects fixture block 75, is shaped on draw-in groove 76 on the fixture block 75, and draw-in groove 76 matches with pressing plate 4, can divide retaining to regulate, and the user can select to be fit to own comfortable angle of inclination and regulate.The edge of its attic base 2 connecting holes 22 is shaped on baffle plate 23, at the rear portion of fixture block 75 collision block 77 is installed, and collision block 77 matches with baffle plate 23, and baffle plate plays position-limiting action, can reduce mechanical collision, increases the service life.Be shaped on pin-and-hole in its attic base 2 left sides, be shaped on perforation in push rod 62, be shaped on locating hole in the locating piece 24 of inboard, attic base 2 left side, pin-and-hole, perforation, locating hole distribution 25 are connected, and use flexibly.Its attic base 2 is installed pad part 12 with connecting axle 11 hinged places of support 1, on the pad part 12 cover plate 13 is installed, and pad spare has been arranged, and has reduced the mechanical friction of attic base and support connecting axle, increases the service life cover plate fixed bolster spare.

Claims

1, the lifting of office revolving chair disc, the reclining governor motion, the support (1) that is installed in swivel chair cushion bottom is arranged, attic base (2) is installed on the support, be shaped on connecting hole (22) in the attic base (2), cushion pillar (3) is installed in the connecting hole (22), it is characterized in that the attic base (2) and the connecting axle (11) of support (1) are mutually hinged, go up welding pressing plate (4) at connecting axle (11), the middle part of attic base (2) is shaped on opening (9), and mounting spring adjusting device (5) is pressed on the pressing plate (4), install respectively the left and right sides at attic base (2), following lifting regulating rod (6) and before, back reclining adjusting rod (7), the front end of lifting regulating rod (6) is installed cam (61), cam (61) push rod (62) one ends inboard with being movably connected in an attic base left side contact, the other end of push rod (62) the cushion lift cylinder (8) interior with being installed in pillar (3) contacts, at the front end of reclining adjusting rod (7) protruding dish (71) is installed, protruding dish (71) cylinder lever connecting rod (72), pull bar (72) connects fixture block (75), and fixture block (75) matches with pressing plate (4).

2, the lifting of office revolving chair disc as claimed in claim 1, reclining governor motion, it is characterized in that described spring regulating device (5) is mounted in the vertical rod (51) on attic base (2) base (21), pressing plate (4) is passed in vertical rod (51), the outer mounting spring (52) of vertical rod, one of spring (52) is pressed on the pressing plate (4), clamping cap (53) is installed at the top of vertical rod, and the other end of spring (52) is fastened by clamping cap (53).

3, the lifting of office revolving chair disc as claimed in claim 1, reclining governor motion, it is characterized in that pull bar (72) connects extension spring seat (73), extension spring (74) is installed in the extension spring seat, extension spring seat (73) connects fixture block (75), be shaped on draw-in groove (76) on the fixture block (75), draw-in groove (76) matches with pressing plate (4).

4, the lifting of office revolving chair disc as claimed in claim 1, reclining governor motion, the edge that it is characterized in that attic base (2) connecting hole (22) is shaped on baffle plate (23), collision block (77) is installed at rear portion at fixture block (75), and collision block (77) matches with baffle plate (23).

5, the lifting of office revolving chair disc as claimed in claim 1, reclining governor motion, it is characterized in that being shaped on pin-and-hole in attic base (2) left side, in push rod (62), be shaped on perforation, be shaped on locating hole in the locating piece (24) of inboard, attic base (a 2) left side, pin-and-hole, perforation, locating hole distribution (25) are connected.

6, the lifting of office revolving chair disc as claimed in claim 1, reclining governor motion is characterized in that pad part (12) is installed in connecting axle (11) hinged place of attic base (2) and support (1), and pad part (12) is gone up installation cover plate (13).