CN107232829A - Adapt to individual character ergonomic alloy seat - Google Patents

Abstract

The invention belongs to seating art field, adapt to individual character ergonomic alloy seat, anterior-posterior translation governor motion is fixedly connected above Chair underframe, lifting regulating mechanism is fixedly connected above anterior-posterior translation governor motion, swing rotatable mechaninism is fixedly connected above lifting regulating mechanism, on swing rotatable mechaninism can the fixed seat board support of rotation, the parallel rotating disk box of seat plate is fixedly installed between seat board support upper end and seat mainboard baseplane, improvement is used as：Swing rotatable mechaninism includes worm wheel aperture seat and paired worm hole seat and worm and gear component paired above rotation bottom plate, lifting regulating mechanism includes lifting seat bottom plate, lifting support block, left and right threaded rod, the left nut of semiaxis and the right nut of semiaxis and four pairs of identical lifting arms of physical dimension, and anterior-posterior translation governor motion includes translation screw rod, translation gliding mass, nut slider, translational frame and pan carriage lid；The present invention not only dexterously by each Mechanism Combination together.

Description

Adapt to individual character ergonomic alloy seat

Technical field

The invention belongs to seating art field, it is related to a kind of multi-faceted adjustment seat, specially adapts to individual character ergonomic Alloy seat.

Background technology

With the progress of science and technology, sitting posture will turn into the main working method of human future labourer.Thigh wants water Put down in ground, shank will enable shank to share the supporting role to body perpendicular to ground, so as to mitigate the support load of buttocks ；Using the angles of 90 to 105 degree should be kept during keyboard as the upper arm of tie point and forearm using elbow, and appropriateness is obtained Support, so avoids the excessive towering-up of shoulder or stays and cause shoulder uncomfortable.User head excessively should not lean forward or swing back, It is advisable with erectting naturally, eyes are looked squarely forward, and the center or slightly elevated position of computer screen should be fallen within by looking squarely sight, it is impossible to mistake Divide and face upward or nutation, there should be arm or so long to avoid bringing unnecessary load to cervical vertebra, between screen and eyes Degree

In the writing of existing house computer and design work environment, typically generally using the computer work table on traditional form with Chair, but no matter how exquisite its design is for common tables and chairs, and product is how exquisite, and computer user is not broken away from always and kept for a long time A kind of sitting posture, so prolonged working condition not only has influence on the blood vessels circulation of whole body, and compressing can be all produced to cervical vertebra, lumbar vertebrae Sense；And the posture of fatigue is in for a long time, it is difficult to remain positive thinking mistake area, and then it can also influence computer The physical and mental health of user.

In order to provide adapt to individual character ergonomic alloy seat, with adapt to for a long time be operated using computer teacher, The parts of body such as neck, lumbar vertebrae compressing situation is alleviated in the demand of the work crowd such as writer, designer, scientific research personnel, help, promotes Human body unobstructed vessel, ensures physical health, excites thinking potential.Therefore, it is outer with reference to height adjustment and front and back position adjustment, not only The backrest angle of seat is adjusted, and with greater need for the seat angle of adjustment seat.

The content of the invention

It is an object of the invention to provide a kind of multi-faceted adjustment seat, the seat not only height adjusting and anteroposterior position Put, but also the seat angle of regulating chair, the ergonomic demand of the different individual characteies of convenient adaptation, to solve to be not suitable with sitting posture Caused many disadvantages.

The purpose of the present invention can be achieved through the following technical solutions.

Adapt to be fixedly connected anterior-posterior translation governor motion above individual character ergonomic alloy seat, Chair underframe, it is front and rear It is fixedly connected above translational controlling mechanism above lifting regulating mechanism, lifting regulating mechanism and is fixedly connected swing rotation On mechanism, swing rotatable mechaninism can the fixed seat board support of rotation, seat board support upper end and seat mainboard bottom are put down The parallel rotating disk box of seat plate is fixedly installed between face, improvement is used as：

Described swing rotatable mechaninism include above rotation bottom plate paired worm wheel aperture seat and paired worm hole seat and Worm and gear component, worm and gear component is made up of geared worm and rotation worm gear, rotation worm gear and described seat plate branch Seat is fixed on worm wheel shaft together, and the geared worm in worm screw rotating shaft is intermeshed with rotation worm gear；

It is right that described lifting regulating mechanism includes lifting seat bottom plate, lifting support block, left and right threaded rod, the left nut of semiaxis and semiaxis Nut and the identical lower-left lifting arm of four pairs of physical dimensions and upper left lifting arm and bottom right lifting arm and upper right lifting On arm, the identical lower-left lifting arm of four pairs of physical dimensions and upper left lifting arm and bottom right lifting arm and upper right lifting arm all There are the arm aperture of physical dimension identical first and the second arm aperture；

Described left and right threaded rod is made up of left-hand thread bar and right-hand thread bar, and right-hand thread bar outer end, which is detachably fixed, to be connected to rise Crank handle drops；Described left-hand thread bar and it is described run through left screw between screw thread coordinate, lower-left lifting arm described in a pair and The first arm aperture on the lifting arm of upper left described in a pair respectively can rotation cooperation with the left nut semiaxis described in both sides；Described in a pair Upper left lifting arm on the second arm aperture respectively with the upper left semiaxis described in both sides can rotation coordinate, the lifting of lower-left described in a pair The second arm aperture on arm all can rotation cooperation with lower-left bearing pin；

Described right-hand thread bar and described screw thread cooperation, bottom right lifting arm and a pair of institutes described in a pair between right screw The second arm aperture on upper right lifting arm stated respectively can rotation cooperation with the right nut semiaxis described in both sides；Upper right described in a pair The first arm aperture on lifting arm respectively with the upper right semiaxis described in both sides can rotation coordinate, on the bottom right lifting arm described in a pair First arm aperture all can rotation cooperation with bottom right bearing pin；

Described anterior-posterior translation governor motion includes translation screw rod, translation gliding mass, nut slider, translational frame and pan carriage lid, Described translational frame includes setting on shiftable frame lower plate and shiftable frame upper plate and translational frame biside plate, translational frame biside plate Translation chute is equipped with, translational frame cecum has handwheel positioning hole on face；There is screw rod uropore on the transverse plane of described pan carriage lid, It is detachably fixed and connects as one between pan carriage lid and described translational frame；Offered on described translation gliding mass biside plate Gliding mass traverses groove, and gliding mass upper plate lower plane is placed on above described shiftable frame upper plate；On described nut slider anterior-posterior plane Having has sliding block top and bottom on insertion screw, nut slider, to be slidably matched between sliding block top and bottom and described translation chute, spiral shell Female sliding block is traversed positioned at described gliding mass among groove；

There is screw rod tail cylinder described translation screw rod one end, and there are handwheel cylinder, handwheel cylinder and translation screw rod in translation screw rod one end Between have a shoulder block cylinder, together with translation handwheel is detachably consolidated with translation screw rod；Screw rod is translated with described insertion screw to match Close, be rotatable cooperation between screw rod tail cylinder and described screw rod uropore, between shoulder block cylinder and described handwheel positioning hole For rotatable cooperation；

Described nut slider integrally uses Pot metal dusty material, and described translation screw rod integrally uses high-strength alloy Steel.

It is used as further improvement：There is the support Lumbar back of the body on described seat mainboard, seat mainboard lower plane is provided with a pair Having on chair board support, seat board support on board support through hole, board support through hole has bearing keyway；Two to four bottom plate fixing screws Pass through the corresponding screw after bottom plate fixing hole with plane on described Chair underframe to be fastenedly connected, by anterior-posterior translation governor motion Shiftable frame lower plate baseplane be fastened on plane on Chair underframe；

Described worm wheel shaft is cylindrical upper to be engaged with the board support through hole described in rotation worm gear endoporus and a pair respectively；Rotation There are two to rise pendulum through hole on bottom plate, worm wheel aperture seat is detachably secured to plane on rotation bottom plate, worm seat spiral shell by worm gear seat screw Worm hole seat is detachably secured to plane on rotation bottom plate by nail, and worm screw nut is fixed on paired snail by worm screw rotating shaft is rotatable On rod aperture seat, worm screw rotating shaft is overall structure with described geared worm；Worm gear and nut is fixed on into worm wheel shaft is rotatable To worm wheel aperture seat on, worm wheel shaft it is cylindrical it is upper respectively with described in rotation worm gear endoporus and a pair board support through hole match Close；There is flat key worm gear section on worm wheel shaft is cylindrical, there are flat key board support section, flat key worm gear section and flat key in flat key worm gear section both sides There is the spacing spacer ring of pivot pin between board support section；Into spatial vertical relation between worm screw rotating shaft and worm wheel shaft, rotation worm gear and snail By flat key worm gear section transmission moment of torsion between wheel rotating shaft, flat key board support section is engaged with described bearing keyway；Worm screw rotating shaft one It is fixedly connected between outer end and worm screw crank handle with worm screw pin；

Rise balance screw and pass through successively liter after pendulum screw and coordinate with a liter pendulum screw screw thread, rotation bottom plate baseplane is fastened on lifting branch Plane on bracer；Rotation bottom plate on swing rotatable mechaninism is fixed in lifting support block.

It is used as further improvement：Have on described lifting seat backings on two lifter plate mounting holes, lifting seat bottom plate Have and be both provided with bottom right pin-and-hole and lower-left pin-and-hole, bottom right pin-and-hole and lower-left on a pair of lifting undersettings, the lifting undersetting of both sides Static fixed symmetrical bottom right bearing pin and lower-left bearing pin are distinguished on pin-and-hole；

Plane has two to rise pendulum screw in lifting support block, lifting support block both sides be provided with symmetrical upper right semiaxis and Upper left semiaxis；The left nut of described semiaxis is provided centrally with running through left screw, and the left nut both sides of semiaxis are symmetrical arranged left nut half Axle；The right nut of described semiaxis is provided centrally with running through right screw, and the right nut both sides of semiaxis are symmetrical arranged right nut semiaxis；

Having on described lifting crank handle has blind hole pin lockhole on handle fixing hole, handle fixing hole, right-hand thread bar outer end has There is cylindrical pins screw on left and right bar cylinder, left and right bar cylinder；The blind hole pin lock that left and right lever pin nail is passed through on handle fixing hole Cylindrical pins screw immovable fitting on Kong Houyu or so bar cylinders, lifting crank handle is detachably fixed and is connected to left and right bar circle On post；

Left nut neck is provided with the described left nearly outer face of nut semiaxis, two first axles are stuck in both sides institute with jump ring In the left nut neck stated, keep off outside the first arm aperture on described upper left lifting arm；The described right nearly outer face of nut semiaxis Place is provided with right nut neck, and two the second axles are kept off described with the right nut neck described in jump ring is stuck in both sides Outside the second arm aperture on upper right lifting arm；

Upper left neck is provided with the described nearly outer face of upper left semiaxis, two upper left axles are stuck in both sides institute with jump ring in addition In the upper left neck stated, keep off outside the second arm aperture on described upper left lifting arm；Upper right semiaxis is provided with the right side at nearly outer face Upper neck, in addition two upper right axles kept off with the upper right neck described in jump ring is stuck in both sides in described upper right lifting arm On the first arm aperture outside.

It is used as further improvement：There are two to four bottom plate fixing holes, translational frame openend in described shiftable frame lower plate There is connecting screw hole on face；Connection is provided with the surrounding plate of described pan carriage lid and determines hole, hole and described connection spiral shell are determined in connection Hole is corresponding；Attachment screw passes through connection and determines Kong Houyu connecting screw hole immovable fittings, by pan carriage lid and described translational frame It is connected to one；

It is integrated between described translation gliding mass biside plate by the link of gliding mass upper plate, plane is set on two gliding masses on gliding mass upper plate Screw, two peaceful trip bolts are passed through after lifter plate mounting hole and are fastenedly connected with screw on gliding mass, and lifting seat bottom plate is fixed It is connected on gliding mass upper plate in plane；Lifting seat bottom plate on lifting regulating mechanism is fixed on shiftable frame upper plate；

Have handwheel pin screw on described handwheel cylinder, there is a handwheel through hole at translation handwheel center, handwheel through hole and handwheel cylinder it Between cooperate；Have handwheel lock hole on handwheel through hole, a handwheel lock-bit pin pass through behind handwheel lock hole with handwheel pin spiral shell Hole coordinates, by handwheel through hole and described handwheel cylinder admittedly together with.

It is used as further improvement：The chemical composition of described Pot metal powder is by mass percentage：Pb：20- 22%, Sn：1-2%, Zn：0-1% and Cu：75-79%, other impurity content summations are no more than 0.5%.

It is used as further improvement：Described high-strength alloy Steel material, its chemical element component contained and its quality hundred Point ratio is：Cr：3.3-2.5%, C：0.62-0.64%, Mn：0.12-0 .14%, Ti：0.57-0.59%, Ni：1.2- 1.4%th, W：0.14-0 .16%, Co：0.054-0.056%, surplus is Fe（Iron）And inevitable impurity；The impurity Weight percent content is：P≤0.030%, S≤0.030%, Si≤0.012%；Described high-strength alloy steel Expect that Specifeca tion speeification is：Density per cubic centimeter is 8.2 grams, and tensile strength is 392-394MPa, and Rockwell hardness HRC values are 53-55。

Beneficial effects of the present invention：

（One）, the present invention not only dexterously by anterior-posterior translation governor motion and lifting regulating mechanism and swing rotatable mechaninism Combine, the angle and orientation of co- controlling seat mainboard.

（Two）, nut slider have an insertion screw and translation screw rod, and the gliding mass that nut slider is located on translation gliding mass is horizontal Pass through between the sliding block top and bottom on the neutralization nut slider of groove and translation chute as the special tectonic that is slidably matched, not only can be so as to Rotate translation handwheel promptly to drive seat mainboard to be moved forward and backward, moreover, insertion screw had both been realized continuously with translation screw rod Regulation can automatically generate self-locking again；In addition, being also convenient for assembly and disassembly.

（Three）, have left-hand thread bar and right-hand thread bar on the threaded rod of left and right, with reference to four pairs of identical lower-lefts of physical dimension Lifting arm and upper left lifting arm and bottom right lifting arm and upper right lifting arm, special tectonic, rotation and lifting crank handle, so that it may control System lifting support block is with dropping the distance between seat bottom plate；Lower-left bearing pin upper left semiaxis corresponding with bottom right bearing pin and upper right semiaxis, on Lower twin shaft design ensures to remain parallel between lifting support block and drop seat bottom plate.

（Four）, driving rotation worm gear together with seat board support, not only can be with worm wheel shaft synchronous rotary structure Easily rotary worm crank handle controls leaning forward or reclined by angle for seat mainboard, moreover, by means of geared worm and rotation Worm gear is intermeshed, and had both realized continuous angle adjustment, self-locking can be automatically generated again, safe and reliable.

（Five）, nut slider of the present invention in anterior-posterior translation governor motion integrally use Pot metal dusty material, put down Move screw rod and integrally use high strength alloy steel, efficiently solve lubrication problem.

Brief description of the drawings

Fig. 1 is the side schematic view of the present invention.

Fig. 2 is seat mainboard 10 in Fig. 1 to the state diagram after layback rotation certain angle.

Fig. 3 is that seat mainboard 10 in Fig. 1 turns forward the state diagram after rotation certain angle.

Fig. 4 is that the seat mainboard 10 in Fig. 1 is moved rearwards by the state diagram after certain angle.

Fig. 5 is the combination of the swing rotatable mechaninism and lifting regulating mechanism and anterior-posterior translation governor motion in Fig. 1 Stereogram.

Fig. 6 is the swing rotatable mechaninism stereogram in Fig. 5, is unloaded except rotation worm gear 29.

Fig. 7 is the stereogram of the lifting regulating mechanism in Fig. 5.

Fig. 8 is the stereogram of the anterior-posterior translation governor motion in Fig. 5.

Fig. 9 is the stereogram that the translation gliding mass 80 in Fig. 5 is combined with lifting seat bottom plate 85.

Figure 10 is the independent stereogram of the lifting seat bottom plate 85 in Fig. 9.

Figure 11 is the translational frame 90 and the stereogram of the assembled state of pan carriage lid 93 in Fig. 5.

Figure 12 is the independent stereogram of the translational frame 90 in Figure 11.

Figure 13 is the postrotational independent stereogram of pan carriage lid 93 in Figure 11.

Figure 14 is the independent stereogram of the nut slider 88 in Fig. 5.

Figure 15 is the independent stereogram of the left nut 40 of semiaxis in Fig. 5.

Figure 16 is the independent stereogram of the right nut 70 of semiaxis in Fig. 5.

Figure 17 is the part sectioned view by left nut semiaxis 44 and the center line of left-hand thread bar 54 in Fig. 5.

Figure 18 is the part sectioned view by right nut semiaxis 77 and the center line of right-hand thread bar 57 in Fig. 5.

Figure 19 is the independent stereogram of the lifting support block 47 in Fig. 5.

Figure 20 is the independent stereogram for translating screw rod 60 in Fig. 5.

Figure 21 is the independent stereogram for translating handwheel 66 in Fig. 5.

Figure 22 is the identical lower-left lifting arm 51 of four pairs of physical dimensions and upper left lifting arm 52 and bottom right liter in Fig. 5 Arm 59 and the outline drawing of upper right lifting arm 58 drop.

Figure 23 is that the seat mainboard 10 in Fig. 1 individually omits enlarged drawing.

Figure 24 is the left and right threaded rod 50 and the lifting assembled state enlarged drawing of crank handle 56 in Fig. 5 or Fig. 7.

Figure 25 is the independent enlarged drawing of left and right threaded rod 50 in Figure 24.

Figure 26 is the independent enlarged drawing of lifting crank handle 56 in Figure 24.

Embodiment

The design feature of the present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.

First, architectural feature：

In Fig. 1 and Fig. 5, individual character ergonomic alloy seat is adapted to, the top of Chair underframe 95 is fixedly connected anterior-posterior translation It is fixedly connected above lifting regulating mechanism, lifting regulating mechanism and is fixedly connected above governor motion, anterior-posterior translation governor motion Can the fixed seat board support 12 of rotation, seat board support 12 on swing rotatable mechaninism, swing rotatable mechaninism The parallel rotating disk box 42 of seat plate is fixedly installed between upper end and the baseplane of seat mainboard 10, improvement is used as：

Described swing rotatable mechaninism includes the paired worm wheel aperture seat 32 in the top of rotation bottom plate 30 and paired worm hole seat 38 and worm and gear component, worm and gear component is made up of geared worm 28 and rotation worm gear 29, rotation worm gear 29 and institute The seat board support 12 stated is fixed on worm wheel shaft 76 together, the geared worm 28 in worm screw rotating shaft 27 and the phase of rotation worm gear 29 Mutually engagement；

In Fig. 5, Fig. 7, Fig. 9 and Figure 22, described lifting regulating mechanism includes lifting seat bottom plate 85, lifting support block 47, left and right The left nut 40 of threaded rod 50, semiaxis and the right nut 70 of semiaxis and the identical lower-left lifting arm 51 of four pairs of physical dimensions and a left side Upper lifting arm 52 and bottom right lifting arm 59 and upper right lifting arm 58, the identical He of lower-left lifting arm 51 of four pairs of physical dimensions There are the first arm aperture of physical dimension identical 21 and on upper left lifting arm 52 and bottom right lifting arm 59 and upper right lifting arm 58 Two arm aperture 22；

In Figure 24-26, described left and right threaded rod 50 is made up of left-hand thread bar 54 and right-hand thread bar 57, the outer end of right-hand thread bar 57 It is detachably fixed and is connected to lift crank handle 56；

In Fig. 9, Figure 17 and 19, described left-hand thread bar 54 and the described screw thread cooperation between left screw 45, described in a pair Lower-left lifting arm 51 and a pair described in upper left lifting arm 52 on the first arm aperture 21 respectively with the left nut described in both sides half Axle 44 can rotation cooperation；

The second arm aperture 22 on upper left lifting arm 52 described in a pair respectively with the upper left semiaxis 72 described in both sides can rotation coordinate, The second arm aperture 22 on lower-left lifting arm 51 described in a pair all can rotation cooperation with lower-left bearing pin 84；

In Fig. 9, Figure 18 and 19, described right-hand thread bar 57 and the described screw thread cooperation between right screw 75, described in a pair Bottom right lifting arm 59 and a pair described in upper right lifting arm 58 on the second arm aperture 22 respectively with the right nut described in both sides half Axle 77 can rotation cooperation；

The first arm aperture 21 on upper right lifting arm 58 described in a pair respectively with the upper right semiaxis 71 described in both sides can rotation coordinate, The first arm aperture 21 on bottom right lifting arm 59 described in a pair all can rotation cooperation with bottom right bearing pin 81；

In Fig. 5 and Fig. 8-14, described anterior-posterior translation governor motion include translation screw rod 60, translation gliding mass 80, nut slider 88, Translational frame 90 and pan carriage lid 93, described translational frame 90 include shiftable frame lower plate 18 and shiftable frame upper plate 98 and translation The biside plate of framework 90, shiftable frame lower plate 18 sets bottom plate fixing hole 17 to be used for connecting chair chassis 95, the biside plate of translational frame 90 On be provided with translation chute 97, translational frame 90 has handwheel positioning hole 92 on cecum face；The transverse plane of described pan carriage lid 93 On have screw rod uropore 91, be detachably fixed and connect as one between pan carriage lid 93 and described translational frame 90；Described is flat Gliding mass is offered on the shifting biside plate of gliding mass 80 and traverses groove 87, the lower plane of gliding mass upper plate 89 is placed on described shiftable frame upper plate 98 Face；Having on the described anterior-posterior plane of nut slider 88 on insertion screw 86, nut slider 88 has above and below sliding block top and bottom 82, sliding block To be slidably matched between face 82 and described translation chute 97, nut slider 88 is traversed positioned at described gliding mass among groove 87；

In Fig. 5 and Fig. 8 and Figure 20-21, there is screw rod tail cylinder 61 described one end of translation screw rod 60, and translation screw rod 60 one end has Handwheel cylinder 62, there is shoulder block cylinder 63 between handwheel cylinder 62 and translation screw rod 60, translation handwheel 66 and translation screw rod 60 are removable Unload admittedly together；Translation screw rod 60 is engaged with described insertion screw 86, screw rod tail cylinder 61 and described screw rod uropore 91 Between be rotatable cooperation, be rotatable cooperation between shoulder block cylinder 63 and described handwheel positioning hole 92.

Described nut slider 88 is overall to use Pot metal dusty material, and described translation screw rod 60 is overall using high-strength Spend steel alloy.

In Fig. 1 and Figure 23, further improvement is used as：There are the support Lumbar back of the body 11, seat mainboard 10 on described seat mainboard 10 Lower plane, which is provided with a pair of seat board supports 12, seat board support 12, board support through hole 13, has branch on board support through hole 13 Seat keyway 14；Two to four bottom plate fixing screws pass through after bottom plate fixing hole 17 with described Chair underframe 95 plane it is corresponding Screw is fastenedly connected, and the baseplane of shiftable frame lower plate 18 on anterior-posterior translation governor motion is fastened on into plane on Chair underframe 95；

In Fig. 5 and Fig. 6, described worm wheel shaft 76 it is cylindrical it is upper respectively with the board support described in the endoporus of rotation worm gear 29 and a pair Through hole 13 is engaged；There are two to rise pendulum through hole 34 on rotation bottom plate 30, worm wheel aperture seat 32 is detachably fixed by worm gear seat screw 37 Worm hole seat 38 is detachably secured to plane on rotation bottom plate 30, worm screw by the plane on rotation bottom plate 30, worm seat screw 36 Nut 24 is fixed on worm screw rotating shaft 27 is rotatable on paired worm hole seat 38, worm screw rotating shaft 27 and described geared worm 28 For overall structure；Worm gear and nut 23 by worm wheel shaft 76 it is rotatable be fixed on paired worm wheel aperture seat 32 on, outside worm wheel shaft 76 It is engaged respectively with the board support through hole 13 described in the endoporus of rotation worm gear 29 and a pair on circle；Have flat on worm wheel shaft 76 is cylindrical There is a flat key board support section 19 key worm gear section 39,39 both sides of flat key worm gear section, flat key worm gear section 39 and flat key board support section 19 it Between have the spacing spacer ring 26 of pivot pin；Into spatial vertical relation between worm screw rotating shaft 27 and worm wheel shaft 76, rotation worm gear 29 and worm gear Moment of torsion is transmitted by flat key worm gear section 39 between rotating shaft 76, flat key board support section 19 is engaged with described bearing keyway 14；Worm screw It is fixedly connected between the outer end of rotating shaft 27 1 and worm screw crank handle 20 with worm screw pin 31；

Two rise balance screw 33 and pass through successively liter after pendulum screw 43 and coordinate with liter pendulum screw 43 screw thread, by the baseplane of rotation bottom plate 30 It is fastened on plane in lifting support block 47；Rotation bottom plate 30 on swing rotatable mechaninism is fixed on lifting support block 47 On.

In Fig. 5, Fig. 7, Fig. 9 and Figure 22, further improvement is used as：There are two liftings on the described bottom plate of lifting seat bottom plate 85 Have on plate mounting hole 25, lifting seat bottom plate 85 and be both provided with bottom right on a pair of lifting undersettings 83, the lifting undersetting 83 of both sides Static fixed symmetrical bottom right bearing pin 81 is distinguished on pin-and-hole 15 and lower-left pin-and-hole 16, bottom right pin-and-hole 15 and lower-left pin-and-hole 16 With lower-left bearing pin 84；

In Figure 19, plane has two to rise pendulum screw 43 in lifting support block 47, and it is right that lifting support block 47 both sides are provided with left and right The upper right semiaxis 71 and upper left semiaxis 72 of title；

In Figure 15-16, the left nut 40 of described semiaxis is provided centrally with running through left screw 45, and the left both sides of nut 40 of semiaxis are symmetrically set Put left nut semiaxis 44；The right nut 70 of described semiaxis is provided centrally with running through right screw 75, and the right both sides of nut 70 of semiaxis are symmetrical Right nut semiaxis 77 is set；

In Figure 24-26, having on described lifting crank handle 56 has blind hole pin lockhole on handle fixing hole 65, handle fixing hole 65 69, the outer end of right-hand thread bar 57, which has on left and right bar cylinder 53, left and right bar cylinder 53, cylindrical pins screw 35；Left and right lever pin nail 55 is worn , will with the immovable fitting of cylindrical pins screw 35 on left and right bar cylinder 53 after blind hole pin lockhole 69 more on handle fixing hole 65 Lifting crank handle 56, which is detachably fixed, to be connected on left and right bar cylinder 53；

In Fig. 9, Figure 17-19, left nut neck 41 is provided with the described nearly outer face of left nut semiaxis 44, two first axles are used Jump ring 46 is stuck in the left nut neck 41 described in both sides, keeps off the first arm aperture 21 on described upper left lifting arm 52 Outside；Right nut neck 74 is provided with the described nearly outer face of right nut semiaxis 77, two the second axle jump rings 48 are stuck in In right nut neck 74 described in both sides, keep off outside the second arm aperture 22 on described upper right lifting arm 58；

Upper left neck 73 is provided with the described nearly outer face of upper left semiaxis 72, two upper left axles are stuck in two with jump ring in addition In upper left neck 73 described in side, keep off outside the second arm aperture 22 on described upper left lifting arm 52；The nearly outer end of upper right semiaxis 71 Upper right neck 49 is provided with face, two upper right axles are with the upper right neck 49 described in jump ring is stuck in both sides in addition, and gear exists Outside the first arm aperture 21 on described upper right lifting arm 58.

In Fig. 5 and Fig. 8-14, further improvement is used as：There are two to four bottom plate fixing holes in described shiftable frame lower plate 18 17, there is connecting screw hole 96 on the open end of translational frame 90；Connection is provided with the surrounding plate of described pan carriage lid 93 and determines hole 94, it is corresponding with described connecting screw hole 96 that hole 94 is determined in connection；Attachment screw 99 pass through connection determine behind hole 94 with connecting screw hole 96 Immovable fitting, pan carriage lid 93 is connected to one with described translational frame 90；

It is integrated between the described biside plate of translation gliding mass 80 by the link of gliding mass upper plate 89, plane sets two on gliding mass upper plate 89 Screw 79 on gliding mass, two peaceful trip bolts 78 are passed through after lifter plate mounting hole 25 and are fastenedly connected with screw on gliding mass 79, will Lifting seat bottom plate 85 is fixedly connected on gliding mass upper plate 89 in plane；Lifting seat bottom plate 85 on lifting regulating mechanism is fixed on On shiftable frame upper plate 98；

Have handwheel pin screw 64 on described handwheel cylinder 62, there is a handwheel through hole 67 at translation handwheel 66 center, handwheel through hole 67 with Cooperated between handwheel cylinder 62；There is handwheel lock hole 68 on handwheel through hole 67, a handwheel lock-bit pin passes through handwheel pin Coordinate after lockhole 68 with handwheel pin screw 64, by handwheel through hole 67 and described handwheel cylinder 62 it is solid together with.

It is used as further improvement：The chemical composition of described Pot metal powder is by mass percentage：Pb：21%th, Sn：1.75%th, Zn：0.75% and Cu：75%, other impurity content summations are no more than 0.5%.

It is used as further improvement：Described high-strength alloy Steel material, its chemical element component contained and its quality hundred Point ratio is：Cr：3.4%th, C：0.63%th, Mn：0.13%th, Ti：0.58%th, Ni：1.3%th, W：0.15%th, Co：0.055%, it is remaining Measure as Fe（Iron）And inevitable impurity；The weight percent content of the impurity is：P≤0.030%, S≤ 0.030%th, Si≤0.012%；Described high-strength alloy Steel material Specifeca tion speeification is：Density per cubic centimeter is 8.2 Gram, tensile strength is 393MPa, and Rockwell hardness HRC values are 54.

2nd, sequence and step：

（One）, fix the shiftable frame lower plate 18 on anterior-posterior translation governor motion on Chair underframe 95：

Two to four bottom plate fixing screws pass through the corresponding screw with plane on described Chair underframe 95 after bottom plate fixing hole 17 It is fastenedly connected, the baseplane of shiftable frame lower plate 18 is fastened on plane on Chair underframe 95；

（Two）, anterior-posterior translation governor motion assembling：

A, nut slider 88 are traversed positioned at described gliding mass among groove 87；

B, translation screw rod 60 are engaged with described insertion screw 86；

C, sliding block top and bottom 82 are inserted to be slidably matched between described translation chute 97, together from the openend of translational frame 90 When, shoulder block cylinder 63 is inserted among handwheel positioning hole 92, and the lower plane of gliding mass upper plate 89 is placed on described shiftable frame Above plate 98；

D, the surrounding sleeve-board of pan carriage lid 93 in the openend of translational frame 90, screw rod tail cylinder 61 be inserted into screw rod uropore 91 it In, meanwhile, connection determine hole 94 and is aligned with connecting screw hole 96, and attachment screw 99, which passes through to connect, to be determined behind hole 94 to fasten with connecting screw hole 96 Coordinate, connected as one being detachably fixed between pan carriage lid 93 and described translational frame 90；

（Three）, fix the lifting seat bottom plate 85 on lifting regulating mechanism on shiftable frame upper plate 98：

Two peaceful trip bolts 78 are passed through after lifter plate mounting hole 25 and are fastenedly connected with screw on gliding mass 79, by lifting seat bottom plate 85 are fixedly connected on gliding mass upper plate 89 in plane；

（Four）, lifting regulating mechanism assembling：

A, left and right lever pin nail 55 is unloaded, the left and right bar cylinder 53 on left and right threaded rod 50 is consolidated with lifting the handle on crank handle 56 Determine hole 65 to separate；

B, by being engaged through left screw 45 with the left-hand thread bar 54 on left and right threaded rod 50 on the left nut 40 of semiaxis, meanwhile, By being engaged through right screw 75 with the right-hand thread bar 57 on left and right threaded rod 50 on the right nut 70 of semiaxis；

C, a pair of lower-left lifting arms 51 are taken, the first arm aperture 21 on lower-left lifting arm 51 is respectively fitted over to the left nut semiaxis of both sides On 44；Equally, a pair of bottom right lifting arms 59 are taken, the second arm aperture 22 on bottom right lifting arm 59 is respectively fitted over to the right nut of both sides On semiaxis 77；

D, a pair of upper left lifting arms 52 are taken again, the first arm aperture 21 on upper left lifting arm 52 is covered each by being enclosed on to the left spiral shell of both sides On female semiaxis 44, while the second arm aperture 22 on upper left lifting arm 52 is respectively fitted on the upper left semiaxis 72 of both sides, two One axle jump ring 46 is stuck in the left nut neck 41 in both sides, is stuck in a left side for both sides with jump ring with two upper left axles in addition In upper neck 73；

E, a pair of upper right lifting arms 58 are taken again, the second arm aperture 22 on upper right lifting arm 58 is covered each by being enclosed on to the right side of both sides On nut semiaxis 77, while the first arm aperture 21 on upper right lifting arm 58 is respectively fitted on the upper right semiaxis 71 of both sides, two Second axle jump ring 48 is stuck in the right nut neck 74 in both sides, is stuck in both sides with jump ring with two upper right axles in addition In upper right neck 49；

F, lower-left bearing pin 84 are passed through after the lower-left pin-and-hole 16 on the lifting undersetting 83 of side, and a pair of lower-left lifting arms are passed through successively The second arm aperture 22 on 51, lower-left bearing pin 84 finally enters the lower-left pin-and-hole 16 on the lifting undersetting 83 of opposite side, left lower pin It is static cooperation between the two ends of axle 84 and the lower-left pin-and-hole 16 of both sides；Equally, bottom right bearing pin 81 passes through the lifting undersetting of side After bottom right pin-and-hole 15 on 83, the first arm aperture 21 passed through successively on a pair of bottom right lifting arms 59, bottom right bearing pin 81 is finally entered Bottom right pin-and-hole 15 on the lifting undersetting 83 of opposite side, is static between the two ends of bottom right bearing pin 81 and the bottom right pin-and-hole 15 of both sides Coordinate；

（Five）, lifting support block 47 on fix the rotation bottom plate 30 on swing rotatable mechaninism：

Two rise balance screw 33 and pass through successively liter after pendulum screw 43 and coordinate with liter pendulum screw 43 screw thread, by the baseplane of rotation bottom plate 30 It is fastened on plane in lifting support block 47；

（Six）, incline layback rotatable mechaninism assembling：

A, by the removal of worm screw pin 31 between the worm screw rotating shaft 27 of side and worm screw crank handle 20；

B, the worm screw rotating shaft 27 of the both sides of geared worm 28 are inserted in worm hole 38 upper bearing apertures of seat, the outer end of worm screw rotating shaft 27 of side Axial displacement is limited by worm screw nut 24 to fix, the outer end of worm screw rotating shaft 27 of opposite side limits axial displacement by worm screw crank handle 20 It is fixed；

C, rotation worm gear 29 placed in the middle of a pair of seat board supports 12, it is each between the both sides of rotation worm gear 29 and seat board support 12 The spacing spacer ring 26 of a pivot pin is placed, the spacing endoporus of spacer ring 26 of pivot pin is aligned with the endoporus of rotation worm gear 29 and board support through hole 13 It is in line, the keyway on the spacing spacer ring 26 of pivot pin is aligned and is in line with the keyway on rotation worm gear 29 and bearing keyway 14；Snail Take turns after the flat key board support section 19 that flat key worm gear section 39 and both sides are placed in rotating shaft 76, board support through hole 13 and pivot pin are passed through successively The spacing endoporus of spacer ring 26 and rotation worm gear 29 endoporus；

D, take the spacing spacer ring 26 of two pivot pins to be respectively fitted over the outside of a pair of seat board supports 12, then take on paired worm wheel aperture seat 32 Bearing hole is enclosed on the two ends of worm wheel shaft 76, and a pair of worm gear and nuts 23 are fastened on 76 liang of outer ends of worm wheel shaft, can by worm wheel shaft 76 Rotation is fixed on paired worm wheel aperture seat 32；

Worm wheel aperture seat 32 is detachably secured to plane on rotation bottom plate 30 by e, most handy four worm gears seat screw 37.

（Seven）, assembling finish.

3rd, operating method：

（One）, adjustment that seat mainboard 10 is leaned forward or swung back：

In Fig. 1-3 and Fig. 5, turn clockwise worm screw crank handle 20, is intermeshed by means of geared worm 28 with rotation worm gear 29, Rotation worm gear 29 is driven together with the rotation backward of seat board support 12, seat mainboard 10 is can be achieved, and rotation is used to meeting backward The specific reclined by angle that person's individual character needs, maximum reclined by angle is 30 degree of layback；

Rotate counterclockwise worm screw crank handle 20, is intermeshed by means of geared worm 28 with rotation worm gear 29, drives rotation worm gear 29 together with the rotation forward of seat board support 12, realize seat mainboard 10 forward rotation to the spy for meeting user's individual character needs Determine forward leaning angle, maximum forward leaning angle is to lean forward 20 degree.

（Two）, oscilaltion adjustment is made to seat mainboard 10：

In Fig. 1, Fig. 4, Fig. 5 and Fig. 7, rotate counterclockwise lifting crank handle 56, by means of having left-hand thread bar on left and right threaded rod 50 54 and the special tectonic of right-hand thread bar 57, the distance between the left nut 40 of semiaxis and right nut of semiaxis 70 are progressively furthered, four To the identical lower-left lifting arm 51 of physical dimension and upper left lifting arm 52 and bottom right lifting arm 59 and upper right lifting arm 58 Collective effect under, the support that is open of the distance between lifting support block 47 and drop seat bottom plate 85 is big, lifts support block more than 47 All related components are all risen, including seat mainboard 10 also all obtains rising to and meets the specific of user's individual character needs Height and position；Vice versa, and turned clockwise lifting crank handle 56, then seat mainboard 10 can be forced to drop to and meet user The specific lower position that individual character needs.

（Three）, front and back position adjustment is made to seat mainboard 10：

In Fig. 1, Fig. 5 and Fig. 8, there are insertion screw 86 and translation screw rod 60, and nut slider 88 by means of nut slider 88 Between the sliding block top and bottom 82 on the neutralization nut slider 88 that the gliding mass on translation gliding mass 80 traverses groove 87 and translation chute 97 For the special tectonic being slidably matched, rotate counterclockwise translation handwheel 66, driving translation gliding mass 80 is moved forward；Translate gliding mass 80 with On all related components all moved forward, including seat mainboard 10 also all obtains to move forward to and meets user Property need specific progressive position；Vice versa, and turn clockwise translation handwheel 66, then seat mainboard 10 can be forced to be moved back by Move to the specific going-back position for meeting user's individual character needs.

（Four）, to seat mainboard 10 make horizontal rotation adjustment：

By means of being fixedly installed the parallel rotating disk box 42 of seat plate between the upper end of seat board support 12 and the baseplane of seat mainboard 10 Prior art Combination Design, can easily realize horizontal rotation adjustment.

4th, the substantive distinguishing features of above-mentioned protrusion of the invention directly bring following significant progressive effect：

（One）, the present invention not only dexterously by anterior-posterior translation governor motion and lifting regulating mechanism and swing rotation machine Structure is combined, the angle and orientation of co- controlling seat mainboard 10.

（Two）, nut slider 88 have insertion screw 86 with translation screw rod 60, and nut slider 88 be located at translation gliding mass 80 On gliding mass traverse and be slidably matched between sliding block top and bottom 82 on the neutralization nut slider 88 of groove 87 and translation chute 97 Special tectonic, not only can easily rotate translation handwheel 66 to drive seat mainboard 10 to be moved forward and backward, moreover, insertion spiral shell Hole 86 had not only been realized with translation screw rod 60 continuously adjusts but also can automatically generate self-locking；In addition, being also convenient for assembly and disassembly.

（Three）, have left-hand thread bar 54 and right-hand thread bar 57 on left and right threaded rod 50, it is identical with reference to four pairs of physical dimensions Lower-left lifting arm 51 and upper left lifting arm 52 and bottom right lifting arm 59 and upper right lifting arm 58, special tectonic, rotation rise Crank handle 56 drops, so that it may which control lifting support block 47 is with dropping the distance between seat bottom plate 85；Lower-left bearing pin 84 and bottom right bearing pin 81 Correspondence upper left semiaxis 72 and upper right semiaxis 71, up and down twin shaft design ensure to protect all the time between lifting support block 47 and drop seat bottom plate 85 Maintain an equal level row.

（Four）, driving rotation worm gear 29 together with seat board support 12, with the synchronous rotary structure of worm wheel shaft 76, no But easily leaning forward or reclined by angle for seat mainboard 10 can be controlled by rotary worm crank handle 20, moreover, by means of transmission Worm screw 28 is intermeshed with rotation worm gear 29, has both realized continuous angle adjustment, and self-locking can be automatically generated again, safe and reliable.

（Five）, nut slider 88 of the present invention in anterior-posterior translation governor motion is overall uses Pot metal dusty material, Translation screw rod 60 is overall to use high strength alloy steel, efficiently solves lubrication problem.

（Six）, the present invention uses in sequence and step：Each sub-agencies：Anterior-posterior translation governor motion, lift adjustment Mechanism and swing rotatable mechaninism, it is individually packaged, the assembly of each sub-agencies is then carried out, is had clear presentation, installs orderly；Especially It is to offer gliding mass on the biside plate of translation gliding mass 80 using special construction to traverse groove 87, nut slider 88 is located at described gliding mass Traverse among groove 87 so that assembling is more convenient, operate more reliable.

Claims (6)

1. adapt to be fixedly connected anterior-posterior translation governor motion above individual character ergonomic alloy seat, Chair underframe (95), it is preceding It is fixedly connected afterwards above translational controlling mechanism above lifting regulating mechanism, lifting regulating mechanism and is fixedly connected swing pendulum Can the fixed seat board support (12) of rotation, seat board support (12) upper end and seat on rotation mechanism, swing rotatable mechaninism The parallel rotating disk box (42) of seat plate is fixedly installed between chair mainboard (10) baseplane, it is characterized in that：

Described swing rotatable mechaninism includes worm wheel aperture seat (32) paired above rotation bottom plate (30) and paired worm screw Hole seat (38) and worm and gear component, worm and gear component are made up of geared worm (28) and rotation worm gear (29), rotation Worm gear (29) is fixed on worm wheel shaft (76) together with described seat board support (12), the transmission snail in worm screw rotating shaft (27) Bar (28) is intermeshed with rotation worm gear (29)；

It is left that described lifting regulating mechanism includes lifting seat bottom plate (85), lifting support block (47), left and right threaded rod (50), semiaxis Nut (40) and the right nut of semiaxis (70) and the identical lower-left lifting arm (51) of four pairs of physical dimensions and upper left lifting arm (52) and bottom right lifting arm (59) and upper right lifting arm (58), the identical lower-left lifting arm (51) of four pairs of physical dimensions and There is the arm aperture of physical dimension identical first on upper left lifting arm (52) and bottom right lifting arm (59) and upper right lifting arm (58) And the second arm aperture (22) (21)；

Described left and right threaded rod (50) is made up of left-hand thread bar (54) and right-hand thread bar (57), and right-hand thread bar (57) outer end can Dismounting is fixedly connected lifting crank handle (56)；Described left-hand thread bar (54) and the described screw thread between left screw (45) Coordinate, the first arm aperture (21) on the lower-left lifting arm (51) described in a pair and the upper left lifting arm (52) described in a pair respectively with Left nut semiaxis (44) described in both sides can rotation cooperation；The second arm aperture (22) on upper left lifting arm (52) point described in a pair Can not rotation cooperation, the second arm aperture (22) on lower-left lifting arm (51) described in a pair with the upper left semiaxis (72) described in both sides All can rotation cooperation with lower-left bearing pin (84)；

Described right-hand thread bar (57) and described screw thread cooperation, the bottom right lifting arm described in a pair between right screw (75) (59) the second arm aperture (22) on upper right lifting arm (58) and described in a pair respectively with the right nut semiaxis (77) described in both sides Can rotation cooperation；The first arm aperture (21) on upper right lifting arm (58) described in a pair respectively with the upper right semiaxis described in both sides (71) can rotation coordinate, the first arm aperture (21) on bottom right lifting arm (59) described in a pair all can rotation with bottom right bearing pin (81) Coordinate；

Described anterior-posterior translation governor motion includes translation screw rod (60), translation gliding mass (80), nut slider (88), translational frame (90) and pan carriage lid (93), described translational frame (90) includes shiftable frame lower plate (18) and shiftable frame upper plate (98) and put down Move and be provided with framework (90) biside plate, translational frame (90) biside plate on translation chute (97), translational frame (90) cecum face There is handwheel positioning hole (92)；There are screw rod uropore (91), pan carriage lid (93) and institute on the transverse plane of described pan carriage lid (93) It is detachably fixed and connects as one between the translational frame (90) stated；Gliding mass is offered on described translation gliding mass (80) biside plate Groove (87) is traversed, gliding mass upper plate (89) lower plane is placed on described shiftable frame upper plate (98) above；Described nut slider (88) having on anterior-posterior plane has sliding block top and bottom (82) on insertion screw (86), nut slider (88), sliding block top and bottom (82) with To be slidably matched between described translation chute (97), nut slider (88) is traversed positioned at described gliding mass among groove (87)；

There is screw rod tail cylinder (61) described translation screw rod (60) one end, and there are handwheel cylinder (62), hand in translation screw rod (60) one end There is shoulder block cylinder (63) between wheel cylinder (62) and translation screw rod (60), translation handwheel (66) is detachably solid with translation screw rod (60) Together；Translation screw rod (60) is engaged with described insertion screw (86), screw rod tail cylinder (61) and described screw rod uropore (91) it is rotatable cooperation between, is rotatable cooperation between shoulder block cylinder (63) and described handwheel positioning hole (92)；

Described nut slider (88) integrally uses Pot metal dusty material, and described translation screw rod (60) is integrally using high-strength Spend steel alloy.

2. adaptation individual character ergonomic alloy seat according to claim 1, it is characterized in that：Described seat mainboard (10) On have the support Lumbar back of the body (11), seat mainboard (10) lower plane is provided with a pair of seat board supports (12), seat board support (12) Having on board support through hole (13), board support through hole (13) has bearing keyway (14)；Two to four bottom plate fixing screws pass through bottom plate Corresponding screw of the fixing hole (17) afterwards with plane on described Chair underframe (95) is fastenedly connected, by anterior-posterior translation governor motion Shiftable frame lower plate (18) baseplane be fastened on plane on Chair underframe (95)；

Described worm wheel shaft (76) it is cylindrical it is upper respectively with the board support through hole described in rotation worm gear (29) endoporus and a pair (13) it is engaged；There are two to rise pendulum through hole (34) on rotation bottom plate (30), worm gear seat screw (37) is removable by worm wheel aperture seat (32) Unload and be fixed on plane on rotation bottom plate (30), worm hole seat (38) is detachably secured to rotation bottom plate by worm seat screw (36) (30) plane on, worm screw nut (24) by worm screw rotating shaft (27) it is rotatable be fixed on paired worm hole seat (38) on, worm screw turn Axle (27) is overall structure with described geared worm (28)；Worm gear and nut (23) is fixed on into worm wheel shaft (76) is rotatable To worm wheel aperture seat (32) on, worm wheel shaft (76) it is cylindrical it is upper respectively with the plate branch described in rotation worm gear (29) endoporus and a pair Block hole (13) is engaged；There is flat key worm gear section (39) on worm wheel shaft (76) is cylindrical, flat key worm gear section (39) both sides have flat Keypad abutment segment (19), has the spacing spacer ring of pivot pin (26) between flat key worm gear section (39) and flat key board support section (19)；Worm screw turns Into spatial vertical relation between axle (27) and worm wheel shaft (76), by flat key snail between rotation worm gear (29) and worm wheel shaft (76) Section (39) transmission moment of torsion is taken turns, flat key board support section (19) is engaged with described bearing keyway (14)；Outside worm screw rotating shaft (27) one End between worm screw crank handle (20) with worm screw pin (31) with being fixedly connected；

Rise balance screw (33) and pass through liter pendulum screw (43) successively afterwards with rising pendulum screw (43) screw thread cooperation, by rotation bottom plate (30) bottom Plane is fastened on plane in lifting support block (47)；Rotation bottom plate (30) on swing rotatable mechaninism is fixed on lifting branch On bracer (47).

3. adaptation individual character ergonomic alloy seat according to claim 1, it is characterized in that：Described lifting seat bottom plate (85) having on bottom plate has a pair of lifting undersettings (83) on two lifter plate mounting holes (25), lifting seat bottom plate (85), both sides Bottom right pin-and-hole (15) and lower-left pin-and-hole (16), bottom right pin-and-hole (15) and lower-left pin-and-hole (16) are both provided with lifting undersetting (83) The upper static fixed symmetrical bottom right bearing pin (81) of difference and lower-left bearing pin (84)；

Plane has two to rise pendulum screw (43) in lifting support block (47), and lifting support block (47) both sides are provided with symmetrical Upper right semiaxis (71) and upper left semiaxis (72)；The left nut of described semiaxis (40) is provided centrally with running through left screw (45), half The left nut of axle (40) both sides are symmetrical arranged left nut semiaxis (44)；The right nut of described semiaxis (70) is provided centrally with running through right spiral shell Hole (75), the right nut of semiaxis (70) both sides are symmetrical arranged right nut semiaxis (77)；

Having on described lifting crank handle (56) on handle fixing hole (65), handle fixing hole (65) has blind hole pin lockhole (69), right-hand thread bar (57) outer end, which has on left and right bar cylinder (53), left and right bar cylinder (53), cylindrical pins screw (35)；Left and right Lever pin nail (55) blind hole pin lockhole (69) for passing through on handle fixing hole (65) afterwards with the straight pin on left and right bar cylinder (53) Oncomelania hole (35) immovable fitting, lifting crank handle (56) is detachably fixed and is connected on left and right bar cylinder (53)；

Left nut neck (41), two first axles jump ring (46) point are provided with the nearly outer face of described left nut semiaxis (44) It is not stuck in the left nut neck (41) described in both sides, the first arm aperture (21) kept off on described upper left lifting arm (52) is outside； Described right nut semiaxis (77) is provided with right nut neck (74) at nearly outer face, and two the second axle jump rings (48) block respectively In the right nut neck (74) described in both sides, the second arm aperture (22) kept off on described upper right lifting arm (58) is outside；

Described upper left semiaxis (72) is provided with upper left neck (73) at nearly outer face, and two upper left axle jump rings block respectively in addition In the upper left neck (73) described in both sides, the second arm aperture (22) kept off on described upper left lifting arm (52) is outside；Upper right half Axle (71) is provided with upper right neck (49) at nearly outer face, and two upper right axles are with the upper right described in jump ring is stuck in both sides in addition In neck (49), the first arm aperture (21) kept off on described upper right lifting arm (58) is outside.

4. adaptation individual character ergonomic alloy seat according to claim 1, it is characterized in that：Described shiftable frame lower plate (18) having on two to four bottom plate fixing holes (17), translational frame (90) open end has connecting screw hole (96)；Described is flat Connection is provided with the surrounding plate for moving frame lid (93) and determines hole (94), it is relative with described connecting screw hole (96) that hole (94) is determined in connection Should；Attachment screw (99) pass through connection determine hole (94) afterwards with connecting screw hole (96) immovable fitting, by pan carriage lid (93) with it is described Translational frame (90) be connected to one；

It is integrated between described translation gliding mass (80) biside plate by gliding mass upper plate (89) link, plane is set on gliding mass upper plate (89) Put screw (79) on two gliding masses, two peaceful trip bolts (78) pass through lifter plate mounting hole (25) afterwards with screw on gliding mass (79) it is fastenedly connected, lifting seat bottom plate (85) is fixedly connected on gliding mass upper plate (89) in plane；By on lifting regulating mechanism Lifting seat bottom plate (85) be fixed on shiftable frame upper plate (98)；

There is handwheel pin screw (64) on described handwheel cylinder (62), there are handwheel through hole (67), handwheel in translation handwheel (66) center Cooperated between through hole (67) and handwheel cylinder (62)；There are handwheel lock hole (68), a hand wheel lock on handwheel through hole (67) Position pin passes through handwheel lock hole (68) and coordinated afterwards with handwheel pin screw (64), by handwheel through hole (67) and described handwheel cylinder (62) admittedly together.

5. adaptation individual character ergonomic alloy seat according to claim 1, it is characterized in that：Described Pot metal powder Chemical composition be by mass percentage：Pb：20-22%, Sn：1-2%, Zn：0-1% and Cu：75-79% is other miscellaneous Matter content summation is no more than 0.5%.

6. adaptation individual character ergonomic alloy seat according to claim 1, it is characterized in that：Described high-strength alloy Steel material, its chemical element component contained and its mass percent are：Cr：3.3-2.5%, C：0.62-0.64%, Mn： 0.12-0 .14%, Ti：0.57-0.59%, Ni：1.2-1.4%, W：0.14-0 .16%, Co：0.054-0.056%, surplus For Fe（Iron）And inevitable impurity；The weight percent content of the impurity is：P≤0.030%, S≤ 0.030%th, Si≤0.012%；Described high-strength alloy Steel material Specifeca tion speeification is：Density per cubic centimeter is 8.2 Gram, tensile strength is 392-394MPa, and Rockwell hardness HRC values are 53-55.