CN207837204U - A kind of seat with pedestal elevation and subsidence regulating device - Google Patents

Abstract

Pedestal regulation pipe is arranged in the bottom of a kind of seat with pedestal elevation and subsidence regulating device, cushion support, and pedestal regulation pipe extends downwardly at the top of pedestal supporting rack；It is additionally provided with pedestal adjustment axis, pedestal adjustment axis includes support shaft part, fixing shaft part, free shaft part and pressing adjustable side, fixes shaft part and presses diameter of the diameter more than remaining shaft part of adjustable side；Hollow body both sides at the top of pedestal supporting rack are respectively equipped with the first adjusting shaft mounting hole and second and adjust shaft mounting hole, support the end of shaft part to be mounted on first and adjust in shaft mounting hole, and free shaft part, which is then arranged, to be adjusted second in shaft mounting hole；It is located in the side wall of pedestal regulation pipe for the fixing shaft part that pedestal regulation pipe is moved relative to pedestal supporting rack to be limited or disengaged when pedestal adjustment axis moves.It conveniently easily can adjust the height of seat base and all moving components are arranged in the hollow body at the top of pedestal supporting rack, avoid moving component exposed, safety is also ensured that while promoting aesthetics.

Description

A kind of seat with pedestal elevation and subsidence regulating device

Technical field

The utility model is related to the technical field of the seat.

Background technology

Modern people's office substantially long period is in sitting posture state, but many people are but because sedentary has caused body The problem of body health aspect.If sitting posture is incorrect, other than seeming out of spirits, also it is easy to have a pain in the back, or even influences ridge Vertebra, pressuring nerve, finally influence health.

Existing office chair is also important to note that emphasize the comfort and ergonomic designs of human body, it is intended to alleviate this respect How problem is bonded the physiological curve of human body but whether how comfortable office chair is, can not also ensure people when in use always Correct sitting posture state is kept, it is even more impossible to promote people's active correcting sitting postures, or in the case where sitting is handled official business by suitable Posture transformation or fitness campaign come fatigue of releiving, loosen body and mind, existing office chair includes learning chair or similar equips equal nothing Method well solves these problems.

There are one the sitting position heights that critically important performance is user for seat, and the difference of sitting position height is to the tired of user Labor degree will produce the influence of highly significant, and existing office chair does not solve the problems, such as this, although existing office chair Much have the function of integral elevating, but other than lift adjustment, it is contemplated that aesthetics and safety guarantee, existing seat The adjusting of chair height can't be met the requirements well.In addition, with intelligentized development, office chair will also welcome intelligentized hair Exhibition trend, demand of both intelligent and health promotes us to provide one kind can protect user's health, intelligence conscientiously Adjustable intelligence health seat.

Utility model content

Based on this, it is necessary in view of the above-mentioned problems, providing a kind of seat with pedestal elevation and subsidence regulating device, there is bottom Seat, pedestal include pedestal supporting rack, cushion support, cushion frame and adjust supporting member, and cushion support is adjustably solid It is scheduled on pedestal supporting rack, cushion frame is fixed on cushion support, is adjusted supporting member and is fixed on the inside of cushion support And positioned at the lower section of cushion frame；Pedestal regulation pipe is fixedly installed in the bottom of cushion support, and pedestal regulation pipe extends downwardly into bottom In the hollow body of seat supports top of the trellis；It is additionally provided with pedestal adjustment axis, pedestal adjustment axis includes support shaft part, fixes shaft part, certainly By shaft part and pressing adjustable side, the diameter of fixing shaft part and pressing adjustable side is more than the diameter of remaining shaft part；Pedestal supporting rack top The hollow body both sides in portion are respectively equipped with the first adjusting shaft mounting hole and second and adjust shaft mounting hole, and the end of shaft part is supported to install It is adjusted in shaft mounting hole first, free shaft part, which is then arranged, to be adjusted second in shaft mounting hole；For being moved in pedestal adjustment axis When limit or disengage the fixing shaft part that is moved relative to pedestal supporting rack of pedestal regulation pipe and be located in the side wall of pedestal regulation pipe.

Preferably, pedestal regulation pipe, which corresponds on the side tube body for fixing shaft part, offers adjusting fixing slot, adjusts and fixes The trough rim of slot is equipped with several indent arc sections, and the diameter of indent arc section is equal with the diameter of shaft part is fixed.

Preferably, pedestal regulation pipe, which corresponds on the side tube body for supporting shaft part, offers adjusting guide groove, adjusts and is oriented to Slot is rectangular channel, and support shaft part is additionally provided with adjustable guiding part, and the side of adjustable guiding part has rectangle guide pad, rectangle guide pad It is embedded to adjust in guide groove and be slided along guide groove is adjusted.

Preferably, the other side of adjustable guiding part is equipped with pedestal adjustment spring seat, and support shaft part is equipped with pedestal and adjusts bullet One end of spring, pedestal adjustment spring is connected in pedestal adjustment spring seat, and the other end, which is connected to, to be fixed on shaft part.

Preferably, pressing adjustable side is equipped with adjustable side stop flange, and second adjusts the pedestal supporting rack at shaft mounting hole Pressing adjustment seat is equipped on the outside of tube body, pressing adjustment seat, which is equipped with, adjusts bore, and the diameter for adjusting bore is more than pressing adjustable side Diameter and less than adjustable side stop flange diameter.Purpose is that not depending on pedestal supporting rack tube wall limits fixing shaft part Position can be designed as the second adjusting shaft mounting hole to be greater than or equal to the diameter for fixing shaft part, convenient for pedestal adjustment axis in this way Design and installation.

Preferably, the pedestal regulation pipe and pedestal adjustment axis and respective members are equipped with two sets altogether, the pedestal of the left and right sides Respectively it is arranged a set of on supporting rack and cushion support, two sets of components are symmetrically set.

Preferably, the tube body and pedestal regulation pipe of pedestal supporting rack and cushion support junction are square tube, convenient for moving Guiding when dynamic adjusting.It is of course also possible to the tube body of other forms, such as pipe are designed as, longitudinally disposed one on pipe Guiding rib can also realize the technical solution of the application.

Preferably, further include lying down regulating device, the chair back, lying down support device, handrail, control process device and sensing dress It sets, lies down regulating device and be set on the base, the chair back is arranged on lying down regulating device, and lying down regulating device by adjusting can band The dynamic chair back is with respect to base rotation；The chair back is equipped with head lever, back lever and waist lever, and handrail is arranged in the both sides of pedestal； Lie down the back side that support device is rotatably arranged in the chair back；Control process device is mounted in the hollow-core construction inside the chair back, And it is connect with the sensing device mounted on each functional part by power supply/data-signal connecting line.

Seat according to the present utility model with pedestal elevation and subsidence regulating device, under no external force operative condition, pedestal Adjustment spring stretches naturally, and adjustable guiding part is pressed to the pedestal supporting rack tube wall near the first adjusting shaft mounting hole, simultaneously will It fixes shaft part and presses to the second adjusting shaft mounting hole, pressing adjustable side passes through the adjusting bore in pressing adjustment seat protruding, together When adjustable side stop flange be pressed adjustment seat limit, avoid pedestal adjustment axis completely out.At this point, fix shaft part outer circle into Enter and adjusts in the indent arc section being arranged on the trough rim of fixing slot, movement of the limitation pedestal regulation pipe relative to pedestal supporting rack, Also movement of the cushion support relative to pedestal supporting rack is limited.

Seat according to the present utility model with pedestal elevation and subsidence regulating device, when to pressing adjustable side force, pedestal Adjustment axis overcomes the resistance of pedestal adjustment spring to be moved to adjustable guiding part direction, on the trough rim for fixing shaft part and adjusting fixing slot The indent arc section of setting disengages, at this time can position of the up and down adjustment pedestal regulation pipe relative to pedestal supporting rack, also Position of the cushion support relative to pedestal supporting rack has been adjusted accordingly, that is, has had adjusted the height of seat base.

Seat according to the present utility model with pedestal elevation and subsidence regulating device, in adjustment process, because rectangle is oriented to Block insertion is adjusted in guide groove and along guide groove sliding is adjusted, and plays guiding role in the direction of movement, and avoid moving process Middle component is stuck.

Seat according to the present utility model with pedestal elevation and subsidence regulating device, by this structure, it is convenient to facilitate Ground adjusts the height of seat base, and all moving components are arranged in the hollow body at the top of pedestal supporting rack, avoids transporting Dynamic component is exposed, and safety is also ensured that while promoting aesthetics.

Description of the drawings

Fig. 1 is the seat stereoscopic schematic diagram of the utility model embodiment.

The seat that Fig. 2 is Fig. 1 remove head lever, back lever, waist lever and back support frame of dismantling outer cover it Schematic diagram afterwards.

Fig. 3 is the base seat portion schematic diagram of the utility model embodiment.

Fig. 4 is the schematic diagram after Fig. 3 removal cushion frames.

Fig. 5 is that the seat of the utility model embodiment lies down regulating device vertical view cut-away illustration.

Fig. 6 is the A-A direction views of Fig. 5.

Fig. 7 is the chair headrest electric adjusting device schematic diagram of the utility model embodiment.

Fig. 8 is the B-B diagrammatic cross-sections of Fig. 7.

Fig. 9 be Fig. 4 C-C to sectional view, show the seat base elevation and subsidence regulating device of the utility model embodiment.

Specific implementation mode

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be much to implement different from other manner described here, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific embodiment opened.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more relevant Listed Items.

It please refers to Fig.1 and Fig. 2, the utility model embodiment provides a kind of seat with pedestal elevation and subsidence regulating device, It including pedestal 1, lies down regulating device 2, the chair back 3, lie down support device 4, handrail 5, control process device 6 and sensing device 7, lie Regulating device 2 is arranged on pedestal 1, and the chair back 3 is arranged on lying down regulating device 2, and lying down regulating device 2 by adjusting can band The dynamic chair back 3 is rotated relative to pedestal 1.The chair back 3 be equipped with head lever 31, back lever 32 and waist lever 33, the two of pedestal 1 Handrail 5 is arranged in side.The back side that support device 4 is rotatably arranged in the chair back 3 is lied down, band is being adjusted by lying down regulating device 2 The dynamic chair back 3 turns to when lying down state, rotatably lies down 4 holder of support device on ground, by lying down support device 4 to the chair back 3 provide Auxiliary support.Control process device 6 is mounted in the hollow-core construction inside the chair back 3, and is connected by power supply/data-signal Wiring is connect with the sensing device 7 mounted on each functional part.

As shown in Figure 3 and Figure 4, pedestal 1 includes pedestal supporting rack 11, cushion support 12, cushion frame 13 and adjusts branch Component 14 is supportted, cushion support 12 is fixed adjustably on pedestal supporting rack 11, and cushion frame 13 is fixed on cushion support On 12, adjusts supporting member 14 and be fixed on 12 inside of cushion support and the lower section positioned at cushion frame 13.Lie down regulating device 2 It is fixed on the bottom side for adjusting supporting member 14.

The both sides of pedestal 1 are respectively equipped with handrail 5, and the bottom of handrail 5 is equipped with handrail fixinig plate 51, and handrail fixinig plate 51 is installed Between cushion support 12 and cushion frame 13, handrail fixinig plate 51, which is bolted or rivets, is fixed on cushion frame 13 Bottom surface.

As shown in Figure 5 and Figure 6, it includes lying down adjusting bracket 20, adjusting fixes sleeve 200, first lie down to lie down regulating device 2 Axis 201, second lie down axis 202, third lies down axis 203, recliner spanner 21, spanner rotating shaft 210, angle modulation extruding wheel 211, adjusts Angle squeezes sleeve 212, pressure and reed 22, stroke screens elongated slot 23, replys torsional spring 24 and chair back fixed block 25.Lie down regulating device 2 are fixed on the bottom side of adjusting supporting member 14 by lying down adjusting bracket 20.

It lies down adjusting bracket 20 and lies down axis 201 equipped with first, press and reed 22 is equipped with stroke screens elongated slot 23, first Lie down axis 201 across several pressure and reed 22 stroke screens elongated slot 23 will press and reed 22 be relatively fixed and lied down first It is mutually isolated equipped with spacer ring between each pressure and reed 22 on axis 201, since the length of stroke screens elongated slot 23 is longer, When not receiving axial pressing force, presses and reed 22 can lie down the rotation of axis 201 and movement relative to first.Press simultaneously spring The other end of piece 22 is rotationally connect with chair back fixed block 25, and the other end of chair back fixed block 25, which is rotatably mounted to, lies down On adjusting bracket 20.

The side for lying down adjusting bracket 20 is equipped with adjusting fixes sleeve 200, and the first one end setting for lying down axis 201 is being adjusted admittedly Determine in sleeve 200.The end of recliner spanner 21 is fixed with spanner rotating shaft 210, spanner rotating shaft 210 rotatably arranged with On adjusting fixes sleeve 200, spanner rotating shaft 210 is equipped with the angle modulation extruding wheel 211 of eccentric colyliform.Axis is lied down first It is additionally provided with angle modulation on 201 and squeezes sleeve 212, angle modulation squeezes sleeve 212 and is located at angle modulation extruding wheel 211 and immediate pressure and reed Between 22.

It chair back fixed block 25 and lies down 20 junction of adjusting bracket and lies down axis 202 equipped with second, second, which lies down axis 202, is equipped with Reply torsional spring 24, reply the both ends of torsional spring 24 respectively with lie down that the third being arranged on adjusting bracket 20 lies down axis 203 and the chair back is fixed The inner wall of block 25 abuts.When not acted on by other external force, replying torsional spring 24 will promote chair back fixed block 25 to rotate, and return Again to the initial position lied down between adjusting bracket 20.

Described lies down regulating device 2, and squeezing angle modulation when being not required to adjust, at the stroke high point of angle modulation extruding wheel 211 squeezes Sleeve 212, and by each pressure, simultaneously reed 22 compresses by angle modulation extruding sleeve 212, each pressure simultaneously first lie by reed 22 at this time Position on beaming 201 is kept fixed, and can not be lied down axis 201 around first and be rotated, stroke screens elongated slot 23 also can not be with respect to first Lie down the movement of axis 201.Correspondingly, the chair back fixed block 25 being rotatably coupled with the other end of pressure and reed 22 can not also turn Dynamic, chair back fixed block 25 keeps and lies down the fixed position relative of adjusting bracket 20.

When recliner spanner 21 down on time, the spanner rotating shaft 210 of the end of recliner spanner 21 drives angle modulation to squeeze 211 rotation of wheel, angle modulation extruding wheel 211 exit stroke high point, reserve distance between squeezing sleeve 212 with angle modulation, at this time each pressure And extruding is no longer influenced by between reed 22, axis 201 can be lied down relative to first and rotated, stroke screens elongated slot 23 can also be opposite First lies down the back-and-forth motion of axis 201, such as is drawn close to lying down among adjusting bracket 20, presses and the rotation of reed 22 and movement can bands Dynamic chair back fixed block 25 is rotated relative to adjusting bracket 20 is lied down.Vice versa, outer by promoting it to rotate in chair back fixed block 25 It, can also be with dynamic pressure and the rotation of reed 22 and movement when the rotatory force that power is for example passed over by the chair back 3.

By movement/rotation pressure and reed 22 and/or chair back fixed block 25, makes chair back fixed block 25 and lie down adjusting bracket 20 Between reach the angles of needs, be also to reach the lying down after angle of needs between the chair back 3 and pedestal 1, turn back recliner and pull Hand 21 continues to squeeze angle modulation extruding sleeve 212 at this time at the stroke high point of angle modulation extruding wheel 211, and squeezes sleeve by angle modulation 212 compress each pressure and reed 22, and chair back fixed block 25 keeps and lies down the fixed position relative of adjusting bracket 20.Correspondingly, Keep what is needed to lie down angle between the chair back 3 and pedestal 1.

Recliner spanner 21 down on time, if pressure and reed 22 and chair back fixed block 25 be not by outer masterpiece With being then both at state free to rotate or mobile, replying torsional spring 24 will promote chair back fixed block 25 to rotate, and be returned to It is relatively close to vertical sitting posture position with lying down between the initial position between adjusting bracket 20, that is, the chair back 3 and pedestal 1.

It is appreciated that the specific implementation example lied down regulating device 2 and be intended only as the application described herein, practical Using when can also use the recliner of other structures or principle, such as the various angle modulation used in automotive seat may be used Device.As long as can realize lie down regulating device 2 can by adjusting different engaging angles come drive chair back fixed block rotate, the chair back Fixed block accordingly drives the chair back to be rotated around the rotary middle spindle of the chair back fixed block.

When specifically used, when the chair back 3 being needed to lie down backward, recliner spanner 21 is pressed, and transmit and press from human body to the chair back 3 Power, and it is transmitted to pressure via chair back fixed block 25 and reed 22 moves it.After lying down angle adjustment, unclamps recliner and pull Hand 21 completes adjustment.

When needing the chair back 3 to reply sitting posture state, recliner spanner 21 is pressed, the elastic force that torsional spring 24 is put aside is replied and forces Chair back fixed block 25 is rotated relative to adjusting bracket 20 is lied down, while the movement of chair back fixed block 25 is transmitted to pressure and reed 22 makes it It is mobile, after posture seating angle is adjusted in place, recliner spanner 21 is unclamped, presses and 22 mutual dieback of reed can not move.

It, can be with when people need rest or when seat monitors sitting posture state when people are in long and sends out rest prompt About 180 degree of the posture that lies low is adjusted to from about 90 degree of sitting posture by lying down regulating device 2 by seat, helps people It relieves fatigue, ensures physically and mentally healthy.

It can be to be rotatably arranged in the supporting rod at 3 back side of the chair back to lie down support device 4, by lying down regulating device When the 2 adjustment chair back 3 are lied down, lift supporting rod, makes to lie down the rotation of support device 4 and be supported on the chair back to lie down in the following, providing the chair back 3 When support, be capable of providing and be located at horizontality when lying down, it is to lie down branch under 180 degree of limiting condition to lie down angle It holds, it is ensured that seat is while handling official business use, moreover it is possible to provide reliable, effective rest function, avoid long-term sitting posture state to people Physically and mentally healthy harmful effect.

As shown in Figure 1, the chair back 3 includes back support frame 30, head lever 31, back lever 32 and waist lever 33, head Portion's lever 31, back lever 32 and waist lever 33 are sequentially arranged at from top to bottom on back support frame 30, and waist lever 33 wraps Include the left lumbar region lever 331 being laterally set up in parallel and right lumbar region lever 332 and corresponding left Lumbar regulating device 333 and right waist By regulating device 334, left lumbar region lever 331 and right lumbar region lever 332 are separately fixed at left Lumbar regulating device 333 and right waist In regulating device 334, left Lumbar regulating device 333 and right Lumbar regulating device 334 are arranged on the chair back 3.Head lever 31, Back lever 32, left lumbar region lever 331 and right lumbar region lever 332 respectively have the independent dependence curved surface leaned on for user, It is surrounded by smooth fillets structure.

The bottom of back support frame 30 is fixedly connected on chair back fixed block 25, and back support frame 30 can be with chair back fixed block 25 rotations, correspondingly, head lever 31, back lever 32, left lumbar region lever 331 and the right side being arranged on back support frame 30 Waist lever 332 also rotates therewith.

By adjusting head lever 31, back lever 32 and the waist lying down regulating device 2 and can make the chair back 3 and be mounted thereon Angle between the supporting surface of portion's lever 33 and 13 supporting surface of cushion frame on pedestal 1 is adjusted within the scope of 0 ° to 180 ° It is whole.

As depicted in figs. 1 and 2, back support frame 30 lean against position be equipped with chair back cross bar 301, back support frame 30 and its Chair back cross bar 301 is hollow-core construction, setting control process device 6 in chair back cross bar 301, control process device 6 with mounted on each The connection line setting of the sensing device 7 of a functional part in back support frame 30 or is wirelessly connected.

The centre of the dependence curved surface of head lever 31 in the horizontal direction has the head rest inner fovea part less than both ends 310, the interior sensing device 7 for being mounted on headrest position of head rest inner fovea part 310.

On head, lever 31, back lever 32, left lumbar region lever 331 and right lumbar region lever 332 are respectively equipped with independent confession On the basis of the ergonomics that user leans on leans on curved surface, provide adaptable Lumbar structure i.e. left Lumbar regulating device 333 and right Lumbar regulating device 334 ergonomics health seat, can according to different body contours and back curve shape, Adjust automatically Lumbar state meets difference demand of the different crowd to comfort and health.

As shown in Figure 7 and Figure 8, head lever 31 is equipped with headrest fixed frame 311, and 30 top of back support frame is equipped with headrest branch Slot 302 is supportted, headrest fixed frame 311 is removably fixed in headrest support slot 302.

Fixed frame 311 of resting the head on is equipped with pillow groove 3110, and the both sides madial wall of pillow groove 3110 is equipped with headrest Frame rack 3111, back support frame 30 is interior to be fixedly mounted headrest motor 303, fixed on the headrest motor shaft 304 of motor 303 of resting the head on Installation headrest adjustment gear 305, adjustment gear 305 of resting the head on and the pillow tooth being arranged on 3110 both sides side wall of pillow groove Item 3111 engages.It is rotated by the rotation driving headrest adjustment gear 305 for motor 303 of resting the head on, and drives pillow rack 3111 Mobile, to drive headrest fixed frame 311 to be moved along headrest support slot 302, head lever 31 is able to opposite back support frame 30 Lifting.

Further, the mobile supporting block 306 of fixed setting headrest in headrest support slot 302, rests the head in mobile supporting block 306 Equipped with headrest moving guide rail slot 307.The top of the both sides side wall of pillow groove 3110 is smooth pillow guide wall 3112, The lower part of the both sides madial wall of pillow groove 3110 is equipped with pillow rack 3111, the insertion headrest of pillow guide wall 3112 In moving guide rail slot 307, headrest fixed frame 311 can be moved relative to headrest moving guide rail slot 307.

Further include headrest motor mounting plate 308, headrest motor 303 is mounted on headrest motor mounting plate 308, motor of resting the head on Mounting plate 308 is mounted in headrest movement supporting block 306, and headrest motor shaft 304 passes through headrest motor mounting plate 308 and its to install The headrest movement supporting block 306 at position simultaneously stretches into pillow groove 3110, and headrest adjustment gear 305 is mounted on pillow rack 304 shaft end of headrest motor shaft of 3111 respective heights.Headrest motor 303 can be easily and reliably installed by this structure, and The support stablized relative to the mobile offer of headrest support slot 302 to headrest fixed frame 311 and guiding.

The upper slot bottom of pillow groove 3110 close to headrest installation position is equipped with upper scotch 3113, upper scotch 3113 Outside positioned at 30 top of back support frame.The effect of upper scotch 3113 is to prevent headrest from excessively being forced down, in upper scotch 3113 when touching back support 30 top of frame, i.e., can not push, and headrest motor 303 is forced to stop driving pillow rack 3111 movements.

The end trough bottom of pillow groove 3110 is equipped with lower scotch 3114, and lower scotch 3114 is located at the mobile support of headrest The downside of block 306.The effect of lower scotch 3114 is to prevent headrest from excessively being increased so that deviating from setting in back support frame 30 Headrest support slot 302 can not be increased, and force headrest when lower scotch 3114 touches the mobile supporting block 306 of headrest Motor 303 stops that pillow rack 3111 is driven to move.

Motor 303 of resting the head on can use the motor with overload shutdown function, or the motor with overload lost motion functionality, this In the prior art there are many kind, the application repeats no more two kinds of motors.

The control panel of headrest motor 303 is arranged in chair back cross bar 301, the start and stop for motor 303 of resting the head on and positive and negative rotation button It is arranged on handrail 5, rests the head on and connected by control and supply line between motor 303 and its control panel and start and stop and positive and negative rotation button It connects, resting the head on motor 303 itself and its control and connect use motor technology in the prior art according to the technical solution of the application It is arranged, the application repeats no more.

By setting headrest fixed frame 311 and headrest support slot 302 and associated components, allow headrest in vertical direction It moves freely, and needed for ensureing can to keep after being moved to suitable position by upper scotch 3113 and lower scotch 3114 Height.

By above structure, motor is arranged in back support frame 30 and driving head leans on the headrest fixed frame of component 31 311 move up and down to achieve the purpose that adjust headrest lifting, and simple for structure, after back support frame 30 covers cover board, appearance is smooth Without protrusion, in addition to the part body of rod of headrest fixed frame 311, remaining moving component is installed in back support frame 30, safety It is reliable to realize aesthetic effect again.

As shown in figure 9, pedestal 1 includes pedestal supporting rack 11, cushion support 12, cushion frame 13 and adjusts supporting member 14, cushion support 12 is fixed adjustably on pedestal supporting rack 11, and cushion frame 13 is fixed on cushion support 12, It adjusts supporting member 14 and is fixed on 12 inside of cushion support and the lower section positioned at cushion frame 13.

The bottom fixed setting pedestal regulation pipe 120 of cushion support 12, pedestal regulation pipe 120 extends downwardly into pedestal support In the hollow body at 11 top of frame.

It is additionally provided with pedestal adjustment axis 15, pedestal adjustment axis 15 includes support shaft part 151, fixes shaft part 152, free shaft part 153 and pressing adjustable side 154, fix shaft part 152 and press adjustable side 154 diameter be more than remaining shaft part diameter.

The hollow body both sides at 11 top of pedestal supporting rack are respectively equipped with the first adjusting shaft mounting hole 111 and the second adjustment axis Mounting hole 112, the end of support shaft part 151 are mounted on first and adjust in shaft mounting hole 111, and free shaft part 153 is then arranged the Two are adjusted in shaft mounting hole 112.

Pedestal regulation pipe 120, which corresponds on the side tube body for fixing shaft part 152 to offer, adjusts fixing slot 121, adjusts card Gu the trough rim of slot 121 is equipped with several indent arc sections 122, the diameter of indent arc section 122 and the diameter phase for fixing shaft part 152 Deng.

Pedestal regulation pipe 120, which corresponds on the side tube body for supporting shaft part 151 to offer, adjusts guide groove 123, and adjusting is led It is rectangular channel to slot 123, support shaft part 151 is additionally provided with adjustable guiding part 16, and the side of adjustable guiding part 16 is oriented to rectangle Block 161, the insertion of rectangle guide pad 161 are adjusted in guide groove 123 and can be slided along guide groove 123 is adjusted.

The other side of adjustable guiding part 16 is equipped with pedestal adjustment spring seat 162, and support shaft part 151 is equipped with pedestal and adjusts bullet One end of spring 17, pedestal adjustment spring 17 is connected in pedestal adjustment spring seat 162, and the other end, which is connected to, to be fixed on shaft part 152.

It presses adjustable side 154 and is equipped with adjustable side stop flange 155, second adjusts the pedestal support at shaft mounting hole 112 Pressing adjustment seat 18 is equipped on the outside of 11 tube body of frame, pressing adjustment seat 18, which is equipped with, adjusts bore 180, adjusts the diameter of bore 180 More than the diameter for pressing adjustable side 154 and less than the diameter of adjustable side stop flange 155.Purpose is not depending on pedestal supporting rack 11 tube walls are limited to fixing shaft part 152, the second adjusting shaft mounting hole 112 can be designed as to be greater than or equal to fixing in this way The diameter of shaft part 152 is convenient for the design and installation of pedestal adjustment axis 15.

The pedestal regulation pipe 120 and pedestal adjustment axis 15 and respective members are equipped with two sets altogether, the pedestal branch of the left and right sides Respectively it is arranged a set of on support 11 and cushion support 12, two sets of components are symmetrically set.

The tube body and pedestal regulation pipe 120 of 12 junction of pedestal supporting rack 11 and cushion support are square tube, convenient for moving Guiding when dynamic adjusting.It is of course also possible to the tube body of other forms, such as pipe are designed as, longitudinally disposed one on pipe Guiding rib can also realize the technical solution of the application.

As a kind of seat with pedestal elevation and subsidence regulating device according to the utility model embodiment, in no outer masterpiece In the case of, pedestal adjustment spring 17 stretches naturally, and adjustable guiding part 16 is pressed to the bottom near the first adjusting shaft mounting hole 111 11 tube wall of seat supports frame, while shaft part 152 will be fixed and press to the second adjusting shaft mounting hole 112, pressing adjustable side 154 passes through pressing Adjusting bore 180 in adjustment seat 18 is protruding, while adjustable side stop flange 155 is pressed the limit of adjustment seat 18, avoids Pedestal adjustment axis 15 is completely out.At this point, fix shaft part 152 outer circle enter adjust fixing slot 121 trough rim on be arranged it is interior In concave arc section 122, movement of the limitation pedestal regulation pipe 120 relative to pedestal supporting rack 11 also limits cushion support 12 movement relative to pedestal supporting rack 11.

As a kind of seat with pedestal elevation and subsidence regulating device according to the utility model embodiment, adjusted when to pressing When 154 force of end, pedestal adjustment axis 15 overcomes the resistance of pedestal adjustment spring 17 to be moved to 16 direction of adjustable guiding part, fixes axis Section 152 is disengaged with the indent arc section 122 being arranged on the trough rim for adjusting fixing slot 121, at this time can up and down adjustment pedestal tune Position of the pipe 120 relative to pedestal supporting rack 11 is saved, has also just adjusted accordingly cushion support 12 relative to pedestal supporting rack 11 position, that is, have adjusted the height of seat base.

As a kind of seat with pedestal elevation and subsidence regulating device according to the utility model embodiment, in adjustment process In, because the insertion of rectangle guide pad 161 is adjusted in guide groove 123 and slided along guide groove 123 is adjusted, play in the direction of movement Guiding role, and avoid component in moving process stuck.

As a kind of seat with pedestal elevation and subsidence regulating device according to the utility model embodiment, it is convenient to facilitate Ground adjusts the height of seat base, and all moving components are arranged in the hollow body at 11 top of pedestal supporting rack, avoids Moving component is exposed, and safety is also ensured that while promoting aesthetics.

Above-described embodiment only expresses the embodiment of the utility model, the description thereof is more specific and detailed, but can not Therefore it is interpreted as the limitation to the utility model patent range.It should be pointed out that for those of ordinary skill in the art For, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this practicality Novel protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (8)

1. there is a kind of seat with pedestal elevation and subsidence regulating device pedestal (1), pedestal (1) to include pedestal supporting rack (11), sit Advance expenditure support (12), cushion frame (13) and adjusting supporting member (14), cushion support (12) are fixed adjustably to pedestal On supporting rack (11), cushion frame (13) is fixed on cushion support (12), is adjusted supporting member (14) and is fixed on cushion branch Lower section on the inside of support (12) and positioned at cushion frame (13)；Pedestal regulation pipe is fixedly installed in the bottom of cushion support (12) (120), pedestal regulation pipe (120) extends downwardly into the hollow body at the top of pedestal supporting rack (11)；It is additionally provided with pedestal adjustment axis (15), pedestal adjustment axis (15) includes support shaft part (151), fixing shaft part (152), free shaft part (153) and pressing adjustable side (154), it fixes shaft part (152) and presses the diameter of the diameter more than remaining shaft part of adjustable side (154)；Pedestal supporting rack (11) pushes up The hollow body both sides in portion are respectively equipped with the first adjusting shaft mounting hole (111) and second and adjust shaft mounting hole (112), support shaft part (151) end is mounted on first and adjusts in shaft mounting hole (111), and free shaft part (153) is then arranged installs in the second adjustment axis In hole (112)；For pedestal regulation pipe (120) to be limited or disengaged when pedestal adjustment axis (15) are mobile relative to pedestal supporting rack (11) mobile fixing shaft part (152) is located in the side wall of pedestal regulation pipe (120).

2. a kind of seat with pedestal elevation and subsidence regulating device according to claim 1, which is characterized in that pedestal regulation pipe (120) correspond on the side tube body for fixing shaft part (152) to offer and adjust fixing slot (121), adjust the slot of fixing slot (121) Side is equipped with several indent arc sections (122), and the diameter of indent arc section (122) is equal with the diameter for fixing shaft part (152).

3. a kind of seat with pedestal elevation and subsidence regulating device according to claim 2, which is characterized in that pedestal regulation pipe (120) correspond on the side tube body of support shaft part (151) to offer and adjust guide groove (123), it is square to adjust guide groove (123) Shape slot, support shaft part (151) are additionally provided with adjustable guiding part (16), and the side of adjustable guiding part (16) has rectangle guide pad (161), rectangle guide pad (161) is embedded adjusts in guide groove (123) and can be slided along guide groove (123) is adjusted.

4. a kind of seat with pedestal elevation and subsidence regulating device according to claim 1, which is characterized in that adjustable guiding part (16) the other side is equipped with pedestal adjustment spring seat (162), and support shaft part (151) is equipped with pedestal adjustment spring (17), pedestal One end of adjustment spring (17) is connected in pedestal adjustment spring seat (162), and the other end, which is connected to, to be fixed on shaft part (152).

5. a kind of seat with pedestal elevation and subsidence regulating device according to claim 1, which is characterized in that pressing adjustable side (154) it is equipped with adjustable side stop flange (155), second is adjusted outside pedestal supporting rack (11) tube body at shaft mounting hole (112) Side is equipped with pressing adjustment seat (18), and pressing adjustment seat (18), which is equipped with, adjusts bore (180), and the diameter for adjusting bore (180) is big Diameter in pressing adjustable side (154) and the diameter less than adjustable side stop flange (155).

6. a kind of seat with pedestal elevation and subsidence regulating device according to claim 1, which is characterized in that the pedestal tune Section pipe (120) and pedestal adjustment axis (15) are equipped with two sets altogether, the pedestal supporting rack (11) and cushion support (12) of the left and right sides Upper each setting is a set of, and two sets of components are symmetrically set.

7. a kind of seat with pedestal elevation and subsidence regulating device according to claim 1, which is characterized in that pedestal supporting rack (11) and the tube body of cushion support (12) junction and pedestal regulation pipe (120) are square tube.

8. a kind of seat with pedestal elevation and subsidence regulating device according to claim 1, which is characterized in that further include lying down Regulating device (2), the chair back (3) lie down support device (4), handrail (5), control process device (6) and sensing device (7), lie down Regulating device (2) is arranged on pedestal (1), and the chair back (3) is arranged on lying down regulating device (2), and adjusting dress is lied down by adjusting Setting (2) can drive the chair back (3) to be rotated relative to pedestal (1)；The chair back (3) is equipped with head lever (31), back lever (32) and waist Portion's lever (33), the both sides setting handrail (5) of pedestal (1)；Lie down the back of the body that support device (4) is rotatably arranged in the chair back (3) Face；Control process device (6) is mounted in the internal hollow-core construction of the chair back (3), and passes through power supply/data-signal connecting line and peace Sensing device (7) mounted in each functional part connects.