CN205358876U - Universal chair - Google Patents
Universal chair Download PDFInfo
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- CN205358876U CN205358876U CN201620080159.3U CN201620080159U CN205358876U CN 205358876 U CN205358876 U CN 205358876U CN 201620080159 U CN201620080159 U CN 201620080159U CN 205358876 U CN205358876 U CN 205358876U
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Abstract
The utility model discloses an universal chair, aim at providing one kind not only mobility good, have an automatic travelling function, and simple structure, preparation are convenient, low in production cost's universal chair. It includes the base, sets up the seat on the base and set up the walking actuating mechanism on the base, the actuating mechanism that walks is used for driving the rotatory actuating mechanism of rear axle pivoted rear axle including front axle, preceding gyro wheel, rear axle, back gyro wheel and the setting of setting on rear axle of rotatable setting on the base of setting on the front axle that sets up on the base on the base, the rotatory actuating mechanism of rear axle is including setting up the walking motor on the base and connecting the output shaft of walking motor and rear axle's gear drive. The seat is including setting up the seat support on the base and articulating the back of the chair that links to each other through articulated shaft and seat support, be equipped with back of the chair angle adjusting execution mechanism between the back of the chair and the base.
Description
Technical field
This utility model relates to a kind of chair, is specifically related to a kind of Universal chair.
Background technology
Along with the development in epoch, the progress of science and technology, people are more and more higher to the prescription of life, and the requirement for household and consumer goods also steps up.
Current chair is generally only and is seated rest for people, and the bottom of some chairs is also equipped with roller, in order to people can carry out little scope and move or rotate；But the mobility of these current chairs is all very poor, not there is the function of walking automatically.
On the other hand, current arm-chair divides the seat support and the chair back that include on base, and it is generally divided into two categories below: one, seat support and the chair back are fixing to be connected, and the chair back of this kind of arm-chair cannot regulate；Its two, the chair back is hinged and connected by jointed shaft and seat support, and seat support and the chair back are provided with the manual adjustment means for adjusting back angle；Although the chair back of this kind of arm-chair can regulate, but it generally adopts manual adjustment means to be adjusted, and it operate inconvenience, and the adjustment of the chair back mostly be level adjustment, the chair back adjustable extent little.
Utility model content
Of the present utility model first in order that overcome the deficiencies in the prior art, it is provided that one not only mobility is good, have automatic walking function；And simple in construction, the Universal chair that easy to make, production cost is low.
Of the present utility model second in order that overcome the deficiencies in the prior art, it is provided that a kind of chair back is easy to adjust, reliable, and chair back range of accommodation is big, the Universal chair that can be adjusted according to practical situation.
The technical solution of the utility model is:
A kind of Universal chair, including base, the seat being arranged on base and be arranged on the walking actuator on base, described walking actuator includes the front axle being arranged on base, the front wheel being arranged on front axle, the back axle being rotatably provided on base, the rear roller being arranged on back axle and the back axle rotary actuator being arranged on base for driving back axle to rotate, and described back axle rotary actuator includes the gear drive of movable motor and the output shaft connecting movable motor and the back axle being arranged on base；Described seat includes the seat support being arranged on base and the chair back being hinged and connected by jointed shaft and seat support, angle of back-rest adjustment actuating mechanism it is provided with between the described chair back and base, described angle of back-rest adjustment actuating mechanism includes the bracing frame being arranged on base and being positioned at above base, it is arranged on the slant rail extended obliquely on bracing frame, the slide block that can slide along slant rail, connection sliding block and the rocker of the chair back and the moving type actuating mechanism for driving slide block to move along slant rail, described slant rail is perpendicular with jointed shaft, and slant rail tilts to extend toward the direction away from seat support from bottom to top；The upper end of described rocker is connected with the chair back, is rotationally connected by the first axostylus axostyle between lower end and the slide block of rocker, and the first axostylus axostyle is paralleled with jointed shaft.
The Universal chair of this programme not only mobility is good, have automatic walking function；And simple in construction, easy to make, production cost is low.On the other hand, the chair back of the seat of this Universal chair is easy to adjust, reliable, and chair back range of accommodation is big, can be adjusted according to practical situation.
As preferably, base includes the base shell of upper end open and is positioned at above base shell and the base cover plate that can rotate relative to base shell；Described seat is arranged on base cover plate, and described walking actuator is arranged on base shell；Be provided with base cover plate rotating mechanism between described base shell and base cover plate, internal gear that described base cover plate rotating mechanism includes being arranged on base cover plate, be rotatably provided in base shell and be meshed with internal gear drive gear and the electric rotating machine for rotary drive gear be set in present shell.The seat of the base cover plate of the Universal chair of this programme can rotate together with base cover plate.
As preferably, the inward flange of the upper end open of base shell is provided with the annular limited step of depression, and described base cover plate is provided with the annular spacing block set matched with annular stop step, and annular spacing block set can rotate relative to annular limited step.
As preferably, walking actuator also includes being arranged on and turns to actuator on base,
Described front axle is made up of left front half shaft and right front half shaft, described left front half shaft and right front half shaft are rotatably arranged on base respectively through the first vertical rotating shaft, left front half shaft and right front half shaft are equipped with described front wheel, and front wheel is spindle rotationally arranged on left front half shaft and right front half shaft
Described actuator is turned to include the line channel being arranged on base and paralleling with back axle, slidably it is arranged on the steering rack on line channel, the tooth sector that is rotatably provided on base and be meshed with steering rack and for rotating the steer motor of tooth sector, being respectively arranged at two ends with of described steering rack turns to bindiny mechanism, this turns to the first horizontal guide pin bushing that bindiny mechanism includes being spindle rotationally arranged on steering rack by the second vertical rotating shaft and is slidably arranged on the connection slide bar in the first horizontal guide pin bushing, it is connected with left front half shaft near one end connecting slide bar of left front half shaft, it is connected with right front half shaft near one end connecting slide bar of right front half shaft.The Universal chair of this programme has turning function.
As preferably, gear drive includes the driven gear being arranged on back axle and the driving gear being connected with the output shaft of movable motor.
nullAs preferably，Base is additionally provided with the crashproof actuator of self adaptation，The crashproof actuator of described self adaptation includes the trigger board being positioned at chassis outer side、It is arranged on base and the second horizontal guide pin bushing perpendicular with back axle、Slidably it is arranged on the connection guide rod in the second horizontal guide pin bushing and the automatic hold-fast body being arranged on base，Described trigger board and front axle are positioned at the opposite sides of back axle，One end of described connection guide rod is connected with trigger board，The lateral surface connecting guide rod is provided with guide rod limited block，And guide rod limited block is positioned at the opposite sides of the second horizontal guide pin bushing with trigger board，Pretension compression spring it is provided with on described connection guide rod and between the second horizontal guide pin bushing and trigger board，Described automatic hold-fast body includes the first horizontal guide rail being arranged on base、The first horizontal rack can slided along the first horizontal guide rail、Be arranged on base and the first horizontal guide rail parallel with the second horizontal guide rail、The second horizontal rack can slided along the second horizontal guide rail、It is arranged on base and parallel the 3rd horizontal guide rail of the first horizontal guide rail、The 3rd horizontal rack can slided along the 3rd horizontal guide rail、The transmission shaft lever being rotatably provided on base and parallel with back axle、It is arranged on the first linkage gear in transmission shaft lever and the second linkage gear，Described first level is led perpendicular with back axle，Described first horizontal rack is connected with being connected guide rod，Described first linkage gear and the first horizontal rack are meshed，Described second horizontal rack is positioned at the lower section of back axle，3rd horizontal rack is positioned at the top of back axle，Described second linkage gear is between the second horizontal rack and the 3rd horizontal rack，And second linkage gear and the second horizontal rack and the 3rd horizontal rack be meshed，Described second horizontal rack is provided with first and holds block tightly，Described 3rd horizontal rack is provided with second and holds block tightly，Described first holds block and second tightly holds block tightly and is positioned at the opposite sides of back axle，And first hold tightly and be provided with the semicircle corresponding with back axle towards the side of back axle on block and hold groove tightly，Second holds tightly and also is provided with the semicircle corresponding with back axle on block on the side of back axle and holds groove tightly.
The Universal chair of this programme is in fallback procedures, and the region at seat rear is a vision dead zone；Thus in fallback procedures, tend to strike barrier at Universal chair, produce potential safety hazard；This programme improves for this problem, effectively solves the problems referred to above.
As preferably, brake unit it is additionally provided with between the chair back and base, described brake unit includes the second axostylus axostyle being rotatably provided on seat support, it is arranged on seat support and the arc-shaped rail coaxial with jointed shaft, slidably it is arranged on the arc-shaped rack on arc-shaped rail and is arranged on the chair back for braking the electromagnetic brake brake of the second axostylus axostyle, described second axostylus axostyle is paralleled with jointed shaft, second axostylus axostyle is provided with fixing position limited gear, and position limited gear is meshed with arc-shaped rack, described arc-shaped rack is coaxial with jointed shaft, and the upper end of arc-shaped rack is connected with the chair back.
As preferably, helical rack that moving type actuating mechanism includes being arranged on bracing frame and parallel with slant rail, it is rotatably provided in by the 3rd axostylus axostyle slide block regulates gear and the lifting drive motor for driving the 3rd axostylus axostyle to rotate, described 3rd axostylus axostyle is paralleled with jointed shaft, described adjustment gear is meshed with helical rack, and described lifting drive motor is arranged on slide block by installing plate.
As preferably, seat support includes the seat cushion being positioned at above base and the vertical set of support connecting seat cushion and base, the lower vertical guide pin bushing that set includes being fixed on base upper surface and the upper vertical guide pin bushing being connected with seat cushion lower surface are found in described support, the lower end of described vertical guide pin bushing is stretched in lower vertical guide pin bushing by the upper port of lower vertical guide pin bushing, and upper vertical guide pin bushing can slide along lower vertical guide pin bushing, the medial surface of described lower vertical guide pin bushing is provided with vertical stopper slot, the lateral surface bottom of described vertical guide pin bushing is provided with the limited block matched with vertical stopper slot, main vibration damping compression spring it is provided with in described lower vertical guide pin bushing, the lower end of main vibration damping compression spring is resisted against on base, upper end is through upper vertical guide pin bushing and is resisted against on seat cushion lower surface.
The beneficial effects of the utility model are:
One, not only mobility is good, have automatic walking function；And simple in construction, easy to make, production cost is low.
Its two, there is the chair back easy to adjust, reliable, and chair back range of accommodation be big, the feature that can be adjusted according to practical situation.
Accompanying drawing explanation
Fig. 1 is the front view of Universal chair of the present utility model.
Fig. 2 is a kind of structural representation of base position of the present utility model.
Fig. 3 be in Fig. 2 A to partial structurtes schematic diagram.
Fig. 4 is a kind of three dimensional structure schematic diagram of Universal chair of the present utility model.
Fig. 5 is a kind of part section structural representation at seat support place of the present utility model.
Fig. 6 is the partial enlarged drawing at B place in Fig. 4.
Fig. 7 is the partial enlarged drawing at C place in Fig. 4.
In figure: base 1, base shell 11, base cover plate 12, annular spacing block set 13, seat support 2, seat cushion 21, support vertical set 22, lower vertical guide pin bushing and 221, upper vertical guide pin bushing 222, limited block 223, vertical stopper slot 224, main vibration damping compression spring 225；Jointed shaft 23；The chair back 24；nullBase cover plate rotating mechanism 3、Internal gear 31、Drive gear 32，Front wheel 4a、Rear roller 4b、Left front half shaft 41a、Right front half shaft 41b、First vertical rotating shaft 42、Back axle 43、Gear drive 44，Turn to actuator 5、Tooth sector 51、Steering rack 52、Second vertical rotating shaft 53、First horizontal guide pin bushing 54、Connect slide bar 55，The crashproof actuator 6 of self adaptation、Trigger board 61、Connect guide rod 62、Pretension compression spring 63、Second horizontal guide pin bushing 64、Guide rod limited block 65、First horizontal rack 66、Second linkage gear 67、Transmission shaft lever 68、First linkage gear 69、Second horizontal guide rail 610、Second horizontal rack 611、3rd horizontal rack 612、3rd horizontal guide rail 613、First holds block 614 tightly、Rubber layer 615、Second holds block 616 tightly，Angle of back-rest adjustment actuating mechanism 7，Bracing frame 71，Slide block 72，Slant rail 73，Helical rack 74，Regulate gear 75，3rd axostylus axostyle 76，Rocker 77；Brake unit 8, position limited gear 81, arc-shaped rail 82, arc-shaped rack 83, the second axostylus axostyle 84, electromagnetic brake brake 85.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail:
As it is shown in figure 1, a kind of Universal chair includes base 1, the seat 2 that is arranged on base and the walking actuator being arranged on base.Base includes the base shell 11 of upper end open and is positioned at above base shell and the base cover plate 12 that can rotate relative to base shell.The inward flange of the upper end open of base shell is provided with the annular limited step of depression.Base cover plate is provided with the annular spacing block set 13 matched with annular stop step, and annular spacing block set can rotate relative to annular limited step.Base cover plate rotating mechanism 3 it is provided with between base shell and base cover plate.Internal gear 31 that base cover plate rotating mechanism includes being arranged on base cover plate, be rotatably provided in base shell and be meshed with internal gear drive gear 32 and the electric rotating machine for rotary drive gear be set in present shell.
The seat of the present embodiment is arranged on base cover plate.Walking actuator is arranged on base shell.
As shown in Figure 1 and Figure 2, walking actuator includes the front axle being arranged on base shell, the front wheel 4a being arranged on front axle, the back axle 43 being rotatably provided on base shell, the rear roller 4b being arranged on back axle and is arranged on the interior back axle rotary actuator for driving back axle to rotate of base shell.Front axle is made up of left front half shaft 41a and right front half shaft 41b.Left front half shaft and right front half shaft are rotatably arranged on base respectively through the first vertical rotating shaft 42.Left front half shaft and right front half shaft are equipped with front wheel, and front wheel is spindle rotationally arranged on left front half shaft and right front half shaft.
Back axle rotary actuator includes the gear drive 44 of movable motor and the output shaft connecting movable motor and the back axle being arranged on base.Gear drive includes the driven gear being arranged on back axle and the driving gear being connected with the output shaft of movable motor.
Walking actuator also includes being arranged on and turns to actuator 5 in base shell.Turn to actuator to include being arranged on base and the line channel parallel with back axle, the steering rack 52 being slidably arranged on line channel, be rotatably provided on base and the tooth sector 51 that is meshed with steering rack and for rotating the steer motor of tooth sector.Being respectively arranged at two ends with of steering rack turns to bindiny mechanism.This turns to the first horizontal guide pin bushing 54 that bindiny mechanism includes being spindle rotationally arranged on steering rack by the second vertical rotating shaft 53 and is slidably arranged on the connection slide bar 55 in the first horizontal guide pin bushing.It is connected with left front half shaft near one end connecting slide bar of left front half shaft.It is connected with right front half shaft near one end connecting slide bar of right front half shaft.
As shown in Figure 2 and Figure 3, base being additionally provided with the crashproof actuator 6 of self adaptation, the crashproof actuator of self adaptation of the present embodiment is arranged on base shell.The crashproof actuator of self adaptation includes being positioned at the trigger board 61 of chassis outer side, is arranged on base shell and the perpendicular with back axle second horizontal guide pin bushing 64, is slidably arranged on connecting guide rod 62 and being arranged on the automatic hold-fast body of base shell of the second horizontal guide pin bushing.State trigger board and front axle and be positioned at the opposite sides of back axle.The one end connecting guide rod is connected with trigger board.The lateral surface connecting guide rod is provided with guide rod limited block 65, and guide rod limited block is positioned at the opposite sides of the second horizontal guide pin bushing with trigger board.Connect and on guide rod and between the second horizontal guide pin bushing and trigger board, be provided with pretension compression spring 63.
Automatic hold-fast body includes the first horizontal guide rail being arranged on base, the first horizontal rack 66 can slided along the first horizontal guide rail, be arranged on base and the first horizontal guide rail parallel with the second horizontal guide rail 610, the second horizontal rack 611 can slided along the second horizontal guide rail, it is arranged on base and parallel the 3rd horizontal guide rail 613 of the first horizontal guide rail, the 3rd horizontal rack 612 can slided along the 3rd horizontal guide rail, the transmission shaft lever 68 being rotatably provided on base and parallel with back axle, it is arranged on the first linkage gear 69 and the second linkage gear 67 in transmission shaft lever.First level is led perpendicular with back axle.First horizontal rack is connected with being connected guide rod.First linkage gear and the first horizontal rack are meshed.Second horizontal rack is positioned at the lower section of back axle, and the 3rd horizontal rack is positioned at the top of back axle.Second linkage gear is between the second horizontal rack and the 3rd horizontal rack, and the second linkage gear and the second horizontal rack and the 3rd horizontal rack are meshed.
Second horizontal rack is provided with first and holds block 614 tightly.3rd horizontal rack is provided with second and holds block 616 tightly.First holds block and second tightly holds block tightly and is positioned at the opposite sides of back axle, and first holds tightly and be provided with the semicircle corresponding with back axle towards the side of back axle on block and hold groove tightly.Second holds tightly and also is provided with the semicircle corresponding with back axle on block on the side of back axle and holds groove tightly.Semicircle is held the axis of groove tightly and is paralleled with back axle, and the first semicircle held tightly on block is held groove tightly and run through first and hold block tightly, and the second semicircle held tightly on block is held groove tightly and run through and hold block tightly.Semicircle is held the surface of groove tightly and is provided with rubber layer 615.
As shown in Figure 4, seat includes the seat support 2 being arranged on base cover plate and the chair back 24 being hinged and connected by jointed shaft 23 and seat support.Seat support includes the seat cushion 21 being positioned at above base cover plate and the vertical set 22 of support connecting seat cushion and base.Some vertical secondary shock-absorbing springs it are provided with in seat cushion.
As it is shown in figure 5, support vertical set to include the lower vertical guide pin bushing 221 being fixed on base cover plate upper surface and the upper vertical guide pin bushing 222 being connected with seat cushion lower surface.The lower end of upper vertical guide pin bushing is stretched in lower vertical guide pin bushing by the upper port of lower vertical guide pin bushing.Upper vertical guide pin bushing can slide along lower vertical guide pin bushing.The medial surface of vertical guide pin bushing is provided with vertical stopper slot 224 down.The lateral surface bottom of upper vertical guide pin bushing is provided with the limited block 223 matched with vertical stopper slot.Main vibration damping compression spring 225 it is provided with down in vertical guide pin bushing.The lower end of main vibration damping compression spring is resisted against on base cover plate, upper end is through upper vertical guide pin bushing and is resisted against on seat cushion lower surface.
As shown in Fig. 4, Fig. 6, between the chair back and base cover plate, it is provided with angle of back-rest adjustment actuating mechanism 7.Angle of back-rest adjustment actuating mechanism includes being arranged on base cover plate and be positioned at the bracing frame 71 above base cover plate, the slant rail 73 extended obliquely being arranged on bracing frame, the rocker 77 of slide block 72, connection sliding block and the chair back that can slide along slant rail and the moving type actuating mechanism for driving slide block to move along slant rail.Slant rail is perpendicular with jointed shaft, and slant rail tilts to extend toward the direction away from seat support from bottom to top.The upper end of rocker is connected with the chair back.It is rotationally connected by the first axostylus axostyle between lower end and the slide block of rocker, and the first axostylus axostyle is paralleled with jointed shaft.
Helical rack 74 that moving type actuating mechanism includes being arranged on bracing frame and parallel with slant rail, it is rotatably provided in by the 3rd axostylus axostyle 76 slide block regulates gear 75 and the lifting drive motor for driving the 3rd axostylus axostyle to rotate.3rd axostylus axostyle is paralleled with jointed shaft.Regulate gear to be meshed with helical rack.Lifting drive motor is arranged on slide block by installing plate.
As shown in Fig. 4, Fig. 7, between the chair back and base, it is additionally provided with brake unit 8.The second axostylus axostyle 84 that brake unit includes being rotatably provided on seat support, it is arranged on seat support and the arc-shaped rail 82 coaxial with jointed shaft, the arc-shaped rack 83 being slidably arranged on arc-shaped rail and be arranged on the chair back for braking the electromagnetic brake brake 85 of the second axostylus axostyle.Electromagnetic brake brake is prior art.Second axostylus axostyle is paralleled with jointed shaft.Second axostylus axostyle is provided with fixing position limited gear 81, and position limited gear is meshed with arc-shaped rack.Arc-shaped rack is coaxial with jointed shaft, and the upper end of arc-shaped rack is connected with the chair back.
The specifically used process of the Universal chair of the present embodiment is as follows:
As it is shown in figure 1, base cover plate rotating mechanism can drive base cover plate to rotate, and then seat is made to rotate together with base cover plate.
As in figure 2 it is shown, movable motor drives back axle to rotate by gear drive, and then Universal chair is driven to move.
Turn to actuator to pass through tooth sector and drive steering rack translation, and then by turning to bindiny mechanism to drive left front half shaft, right front half shaft to realize turning to of Universal chair around the first vertical shaft swing.
As shown in Figure 2 and Figure 3, Universal chair is in fallback procedures, if Universal chair rear exists barrier, then first trigger board will strike barrier, and trigger board be promoted forward；In the process that trigger board is moved along, pretension compression spring plays cushioning effect, also the first horizontal rack will be driven together to be moved along by connection guide rod, thus driving the first linkage gear to rotate and driving the second linkage gear together to rotate by transmission shaft lever simultaneously；Second linkage gear rotation process will drive the second horizontal rack to be moved along, and drive the 3rd horizontal rack to move backward, so that first holds block and second tightly and holds block tightly and hold back axle gradually tightly, realize the braking gradually of Universal chair, stopping, thus Universal chair can be prevented effectively from fallback procedures, because seat rear area is a vision dead zone, and in fallback procedures, strike barrier at Universal chair, the problem producing potential safety hazard.
The adjustment operation of the angle of back-rest of seat is as follows:
Lifting drive motor is driven by the 3rd axostylus axostyle and drives pinion rotation, makes slide block move along slant rail up/down, drives the chair back to rotate around jointed shaft thereby through rocker, it is achieved the electrodeless adjustment of angle of back-rest.As it is shown in figure 1, the chair back of the present embodiment can be adjusted to 180 degree with seat support, form a chaise longue.
After the adjustment of angle of back-rest puts in place, user can hold the second axostylus axostyle tightly by controlling electromagnetic brake brake, makes the second axostylus axostyle fix, and then is coordinated with arc-shaped rack made the chair back fix by position limited gear, so that angle of back-rest is fixed.
Claims (8)
1. a Universal chair, it is characterized in that, including base, the seat being arranged on base and be arranged on the walking actuator on base, described walking actuator includes the front axle being arranged on base, the front wheel being arranged on front axle, the back axle being rotatably provided on base, the rear roller being arranged on back axle and the back axle rotary actuator being arranged on base for driving back axle to rotate, and described back axle rotary actuator includes the gear drive of movable motor and the output shaft connecting movable motor and the back axle being arranged on base；
Described seat includes the seat support being arranged on base and the chair back being hinged and connected by jointed shaft and seat support, angle of back-rest adjustment actuating mechanism it is provided with between the described chair back and base, described angle of back-rest adjustment actuating mechanism includes the bracing frame being arranged on base and being positioned at above base, it is arranged on the slant rail extended obliquely on bracing frame, the slide block that can slide along slant rail, connection sliding block and the rocker of the chair back and the moving type actuating mechanism for driving slide block to move along slant rail, described slant rail is perpendicular with jointed shaft, and slant rail tilts to extend toward the direction away from seat support from bottom to top；The upper end of described rocker is connected with the chair back, is rotationally connected by the first axostylus axostyle between lower end and the slide block of rocker, and the first axostylus axostyle is paralleled with jointed shaft.
2. a kind of Universal chair according to claim 1, is characterized in that, described base includes the base shell of upper end open and is positioned at above base shell and the base cover plate that can rotate relative to base shell；Described seat is arranged on base cover plate, and described walking actuator is arranged on base shell；Be provided with base cover plate rotating mechanism between described base shell and base cover plate, internal gear that described base cover plate rotating mechanism includes being arranged on base cover plate, be rotatably provided in base shell and be meshed with internal gear drive gear and the electric rotating machine for rotary drive gear be set in present shell.
3. a kind of Universal chair according to claim 2, it is characterized in that, the inward flange of the upper end open of described base shell is provided with the annular limited step of depression, described base cover plate is provided with the annular spacing block set matched with annular stop step, and annular spacing block set can rotate relative to annular limited step.
4. a kind of Universal chair according to claim 1 or 2 or 3, is characterized in that, described walking actuator also includes being arranged on and turns to actuator on base,
Described front axle is made up of left front half shaft and right front half shaft, described left front half shaft and right front half shaft are rotatably arranged on base respectively through the first vertical rotating shaft, left front half shaft and right front half shaft are equipped with described front wheel, and front wheel is spindle rotationally arranged on left front half shaft and right front half shaft
Described turn to actuator to include being arranged on base and the line channel parallel with back axle, the steering rack being slidably arranged on line channel, be rotatably provided on base and the tooth sector that is meshed with steering rack and for rotating the steer motor of tooth sector
Being respectively arranged at two ends with of described steering rack turns to bindiny mechanism, this turns to the first horizontal guide pin bushing that bindiny mechanism includes being spindle rotationally arranged on steering rack by the second vertical rotating shaft and is slidably arranged on the connection slide bar in the first horizontal guide pin bushing, it is connected with left front half shaft near one end connecting slide bar of left front half shaft, is connected with right front half shaft near one end connecting slide bar of right front half shaft.
5. a kind of Universal chair according to claim 1 or 2 or 3, is characterized in that, described gear drive includes the driven gear being arranged on back axle and the driving gear being connected with the output shaft of movable motor.
6. a kind of Universal chair according to claim 1 or 2 or 3, it is characterized in that, it is additionally provided with brake unit between the described chair back and base, described brake unit includes the second axostylus axostyle being rotatably provided on seat support, it is arranged on seat support and the arc-shaped rail coaxial with jointed shaft, slidably it is arranged on the arc-shaped rack on arc-shaped rail and is arranged on the chair back for braking the electromagnetic brake brake of the second axostylus axostyle, described second axostylus axostyle is paralleled with jointed shaft, second axostylus axostyle is provided with fixing position limited gear, and position limited gear is meshed with arc-shaped rack, described arc-shaped rack is coaxial with jointed shaft, and the upper end of arc-shaped rack is connected with the chair back.
7. a kind of Universal chair according to claim 1 or 2 or 3, it is characterized in that, helical rack that described moving type actuating mechanism includes being arranged on bracing frame and parallel with slant rail, it is rotatably provided in by the 3rd axostylus axostyle slide block regulates gear and the lifting drive motor for driving the 3rd axostylus axostyle to rotate, described 3rd axostylus axostyle is paralleled with jointed shaft, described adjustment gear is meshed with helical rack, and described lifting drive motor is arranged on slide block by installing plate.
8. a kind of Universal chair according to claim 1 or 2 or 3, it is characterized in that, described seat support includes the seat cushion being positioned at above base and the vertical set of support connecting seat cushion and base, the lower vertical guide pin bushing that set includes being fixed on base upper surface and the upper vertical guide pin bushing being connected with seat cushion lower surface are found in described support, the lower end of described vertical guide pin bushing is stretched in lower vertical guide pin bushing by the upper port of lower vertical guide pin bushing, and upper vertical guide pin bushing can slide along lower vertical guide pin bushing, the medial surface of described lower vertical guide pin bushing is provided with vertical stopper slot, the lateral surface bottom of described vertical guide pin bushing is provided with the limited block matched with vertical stopper slot, main vibration damping compression spring it is provided with in described lower vertical guide pin bushing, the lower end of main vibration damping compression spring is resisted against on base, upper end is through upper vertical guide pin bushing and is resisted against on seat cushion lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620080159.3U CN205358876U (en) | 2016-01-27 | 2016-01-27 | Universal chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620080159.3U CN205358876U (en) | 2016-01-27 | 2016-01-27 | Universal chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205358876U true CN205358876U (en) | 2016-07-06 |
Family
ID=56269415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620080159.3U Expired - Fee Related CN205358876U (en) | 2016-01-27 | 2016-01-27 | Universal chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205358876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534101A (en) * | 2016-01-27 | 2016-05-04 | 徐跃增 | All-purpose chair |
| CN106617835A (en) * | 2016-11-17 | 2017-05-10 | 嘉兴意合机电有限公司 | Dual-motor electric adjustable seat |
-
2016
- 2016-01-27 CN CN201620080159.3U patent/CN205358876U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534101A (en) * | 2016-01-27 | 2016-05-04 | 徐跃增 | All-purpose chair |
| CN105534101B (en) * | 2016-01-27 | 2018-02-09 | 徐跃增 | A kind of Universal chair |
| CN106617835A (en) * | 2016-11-17 | 2017-05-10 | 嘉兴意合机电有限公司 | Dual-motor electric adjustable seat |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
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Address after: 310000 Hualong square, Shangcheng District, Zhejiang, Hangzhou 13-1-501 Patentee after: Xu Yuezeng Patentee after: Chen An Patentee after: Zhejiang Vocational College of Science and Technology Address before: 311231 Xiaoshan Higher Education Park, Hangzhou, Zhejiang Patentee before: Xu Yuezeng Patentee before: Chen An Patentee before: Zhejiang Vocational College of Science and Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180127 |