CN2397817Y

CN2397817Y - Chair oscillating device

Info

Publication number: CN2397817Y
Application number: CN 99243194
Authority: CN
Inventors: 苏同华
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-10-28
Filing date: 1999-10-28
Publication date: 2000-09-27
Anticipated expiration: 2009-10-28

Abstract

The utility model relates to a chair oscillating device, which is mainly composed of a separated type chair back, a chair seat, a chassis, an air pressure rod and a foot seat, wherein, the chassis is composed of a joint seat, a swing seat, a connection seat, a spring seat, a control group and an adjusting rod, through holes and stop parts are arranged on the swing seat, the control group comprises a compression stop patch and an action block, and the joint seat, the swing seat and the connection seat are respectively combined with shaft levers. The utility model controls the position of the through holes and the stop parts in which the action block is positioned by the adjusting rod, and thereby, the utility model controls the swing state or non-swing state of the swing seat and the connection seat. The utility model can make the back pitching angle of the chair seat smaller when the back pitching angle of the chair back is bigger in order to improve seating comfort and barycenter stability, and the utility model also has the advantages of convenient operation and assembly.

Description

The seat pendulous device

The utility model relates to a kind of seat pendulous device.

Seat is one of obligato life furniture of people, and present seat is under continuous design improved, its comfortableness and functional existingly significantly promote.

But the seat shown in Figure 10,11 is one of known common swing seat, mainly is made up of the chair back 1 ', seat support 2 ', chassis 3 ', atmospheric pressure pole 4 ', foot rest 5 ' institute; The chair back 1 ' and seat support 2 ' one end link fixing; Chassis 3 ' is made up of a swing seat 31 ', one joining base 32 ', a spring base 33 ', an adjusting lever 34 ', an engaging lever 35 ' institute, wherein: swing seat 31 ' is provided with can be for the conjugate foramen 311 ' affixed with seat support 2 ', and be provided with in central authorities can be for the joining hole 312 ' that engages with spring base 33 ', and can be for the perforation 313 ', 314 ' of interspersed adjusting lever 34 ', engaging lever 35 ' in the side setting; Joining base 32 ' central authorities be provided with can for the trepanning 321 ' of atmospheric pressure pole 4 ' fit, and can be for the perforation 322 ', 323 ' that interts adjusting lever 34 ', engaging lever 35 ', and can be for the trepanning 324 ' of sheathed spring base 33 ' in a side setting in the side setting; Spring base 33 ' comprises that spring 331 ', body 332 ', screw rod 333 ' form, and spring 331 ' is contained in the body 332 ', and it is affixed with body 332 ' bottom that screw rod 333 ' interts the joining hole 312 ' of swing seat 31 '; Adjusting lever 34 ' is provided with inserting part 341 ' and pressing part 342 ' at front end, and inserting part 341 ' can limit swing seat 31 ' and can not swing when being plugged in the perforation 313 ', and pressing part 342 ' can be suppressed atmospheric pressure pole 4 ' end to adjust height of seat.

Yet the detailed aforementioned structure of seeing, though the chair back 1 ', seat support 2 ' can be by spring 331 ' the elasticity reclining swings on chassis 3 ', but as shown in figure 12, because when the user makes the chair back 1 ' layback, the also corresponding equal angular swing of seat support 2 ', thereby occupant's center of gravity is significantly swung back when easily causing the chair back 1 ' layback angle big, thereby the danger situation that seat is toppled over takes place.

Seat and for example shown in Figure 13, be to establish a sliding seat 62 ' in chair back bar 61 ' the one end group of the chair back 6 ' to engage with chassis 7 ', setting can be for the elastic device 71 ' of chair back bar 61 ' swing in the chassis 7 ', make and to make the layback of the chair back 6 ' elasticity when taking to promote riding comfort, and because the not corresponding chair back 6 ' swing of seat support 8 ', can have and preferablely take stability and security, and chassis 7 ' is provided with two control levers to control height of seat and the chair back 6 ' swing state respectively.

Yet said structure can not be swung fully owing to seat support 8 ', thereby still cause riding comfort desirable not to the utmost, and the user must control two control levers respectively could control height of seat and the chair back 6 ' layback state, so control operation inconvenience, must organize when assemble on chassis 7 ' again and establish two control levers, so assemble also inconvenience and cost increase.

The purpose of this utility model provides a kind of seat pendulous device, promoting riding comfort and security, and can have operation, assemble convenience.

For reaching above-mentioned purpose, solution of the present utility model is: the seat pendulous device is mainly by the separate type chair back, seat support, the chassis, atmospheric pressure pole, runners is formed, the chassis is by a joining base, one swing seat, a connecting seat, spring base, the control group, adjusting lever is formed, wherein joining base is provided with the fit portion that can supply with the atmospheric pressure pole combination in the bottom, trepanning, and can be for the perforation that interts the spring base screw rod in the front end setting, swing seat top and seat support are affixed, and can be for organizing the perforation of establishing the spring base screw rod in the top setting, swing seat engages by spring base elasticity with joining base, wherein: joining base the side setting can for intert adjusting lever perforation and can be for interting axostylus axostyle and swing, the axis hole of Connection Block winding; The swing seat can be organized the action hole of establishing adjusting lever and can in the movable block position of corresponding aftermentioned control group open-work and stop section be set again for interting the axis hole of axostylus axostyle and joining base, Connection Block combination in the side setting for interting; Connection Block a side setting can for the junction surface of chair back bar combination, and two side faces front end and the place ahead appropriate location setting can for intert axostylus axostyle respectively with the axis hole of joining base and the combination of swing seat, and the axis hole position can be for the Connection Block layback during than wide-angle swing seat layback angle less; The control group comprises that a compressed tablets and a movable block form, compressed tablets one side setting can supply the junction surface with the axostylus axostyle combination, and the side setting can for the articulated section of adjusting lever end combination, movable block is located between joining base and swing seat again, and the top tool can for swing seat stop section against pressure section, and a side setting can for intert axostylus axostyle and with the junction surface of compressed tablets interlock.Making by above combination can be by single adjusting lever control compressed tablets action to adjust height of seat, and can be the swing or the state that stops swinging with control swing seat, Connection Block by open-work or the position, stop section that adjusting lever control action piece is positioned at swing seat, and Connection Block, swing seat elasticity layback swing when making chair back layback, and the seat support smaller angle of can swinging back when making chair back layback angle big, qualitative to promote riding comfort and to take stable gravity center.

In addition, the two side faces front top of Connection Block can be provided with the gradually little oblique pars convoluta of width, takes security so that chair back layback angle can be promoted against block with the swing seat by oblique pars convoluta when big.

By the above as seen, the more known product of the utility model has the following advantages:

1, the chair back of the present utility model and the seat support swing of can swinging back simultaneously, and seat support can be swung more by a small margin when making the chair back swing by a relatively large margin makes the utility model can have riding comfort concurrently and takes the qualitative effect of stable gravity center.

2, the utility model can be by the oblique pars convoluta on chassis and swing seat against with restriction chair back layback angle, can have a preferable security of taking.

3, the utility model can be controlled height of seat and seat swing state by single adjusting lever, can promote user's operation ease.

4, the utility model is moved to the open-work or the position, stop section of swing seat by the control action piece, can control seat swing or swing state not, easy and simple to handle really.

5, control group of the present utility model and adjusting lever can make up easily, can have to assemble convenience and preferable volume production efficient.

Below in conjunction with drawings and Examples, the utility model is further described.

Fig. 1 is a chassis of the present utility model decomposing schematic representation;

Fig. 2 is joining base, Connection Block, control group, the adjusting lever combination schematic diagram on the utility model chassis;

Fig. 3 is a combination schematic diagram in chassis of the present utility model;

Fig. 4 is a chassis control group action schematic diagram one of the present utility model;

Fig. 5 is a chassis control group action schematic diagram two of the present utility model;

Fig. 6 is a combining structure schematic diagram of the present utility model;

Fig. 7 is the cross-sectional schematic of Fig. 6;

Fig. 8 is an action schematic diagram of the present utility model;

Fig. 9 is the cross-sectional schematic of Fig. 8;

Figure 10 is known product structure schematic diagram;

Figure 11 is known product chassis structure schematic diagram;

Figure 12 is known product action schematic diagram;

Figure 13 is another known product structure schematic diagram.

See also Fig. 1-9, the utility model mainly is made up of the separate type chair back 1, seat support 2, chassis 3, atmospheric pressure pole 4, runners 5, and chassis 3 is made up of a joining base 31, a swing seat 32, a connecting seat 33, spring base 34, control group 35, adjusting lever 36, wherein:

Joining base 31 is provided with fit portion 311, the trepanning 312 that can supply with atmospheric pressure pole 4 combinations in the bottom, and can be in the front end setting for the perforation 313 that interts spring base 34 screw rods 341, and the side setting can for intert adjusting lever 36 perforation 314 and can be for interting the axis hole 315,316 of axostylus axostyle 317,318 and swing 32, Connection Block 33 windings;

Swing seat 32 is provided with the joining hole 321 that can supply with seat support 2 combinations at the top, and the side setting can for intert group establish adjusting lever 36 action hole 322 and can be for interting the axis hole 323,324 that axostylus axostyle 317,325 and joining base 31, Connection Block 33 make up, the conjugate foramen 326 that can establish spring base 34 screw rods 341 for group is set at the top again, and movable block 352 positions of corresponding aftermentioned control group 35 are provided with open-work 327 and stop section 328;

Connection Block 33 a side setting can for the junction surface 331 of chair back bar 11 combination, and two side faces front end and the place ahead appropriate location setting can for intert axostylus axostyle 318,325 respectively with the axis holes 332,333 of

joining base

31 and 32 combinations of swing seat, and axis hole 333 is provided with swings seat 32 layback angles less (being about 2: 1) when the position can make Connection Block 33 layback than wide-angle, in the two side faces front top the gradually little oblique pars convoluta 334 of width is set again;

Spring base 34 comprises that screw rod 341, spring 342, body 343 form, and screw rod 341 can intert conjugate foramen 326, the perforation 313 and body 343 combinations of swing seat 32, joining base 31, and make spring 342 can with joining base 31 inner faces against;

Control group 35 comprises that a compressed tablets 351 and a movable block 352 make up, and compressed tablets 35 1 side settings can supply the junction surface 3511 with axostylus axostyle 318 combinations, and the side setting can for the articulated section 3512 of adjusting lever 36 ends combinations, movable block 352 is located at joining base 31 and swings 32 of seats, the top tool can for swing seat 32 stop sections 328 against pressure section 3521, and a side setting can for intert axostylus axostyle 318 and with the junction surface 3522 of compressed tablets 351 interlocks.

And the utility model when implementing combination and action shown in Fig. 2-7, be that joining base 31, swing seat 32, Connection Block 33 are articulated combination by axostylus axostyle 317,318,325 during combination chassis 3, and axostylus axostyle 318 is interted compressed tablets 351 junction surfaces 3511 of control groups 35 and the junction surface 3522 of movable block 352 establish compressed tablets 351, movable block 352 31 of swing seat 32, joining bases with group, with articulated section 3512 combinations of adjusting lever 36 front ends and compressed tablets 351, rotate adjusting lever 36 and can control compressed tablets 351 compacting atmospheric pressure poles 4 terminations again to adjust height of seat.

And for example shown in Fig. 4,5, the user can make adjusting lever 36 displacements with control action piece 352 positions, when movable block 352 is positioned at open-work 327 positions of corresponding swing seat 32, because pressure section 3521 is not subjected to against, swing seat 32, Connection Block 33 swing of can swinging back; Again when movable block 352 is positioned at 328 positions, stop section of corresponding swing seat 32, two ends of pressure section 3521 respectively with the stop section 328 of joining base 31 and swing seat 32 against, can limit the swing of can not swinging back of swing seat 32, Connection Block 33.

Fig. 8 for another example, shown in 9, when the user adjusts movable block 352 and is positioned at corresponding open-work 327 positions and makes the chair back 1 layback, chair back bar 11 makes Connection Block 33 backward wings with the application of force, joint seat 33 will drive swing seat 32 backward wings simultaneously, because Connection Block 33 is provided with the position and articulates combination with swing seat 32 in both sides, when joint seat 33 is swung back than wide-angle, can drive swing seat 32 layback smaller angle (32 layback of swing seat were 1 ° when the utility model was 2 ° of design Connection Block 33 layback), make and take seat support 2 layback smaller angle when making the chair back 1 layback, prevent from thus to take crank even topple over because of significantly the swing back user that caused of seat support 2 than wide-angle.

When Connection Block 33 layback angles are big, can by oblique pars convoluta 334 and swing seat 32 against, make swing seat 32 and the Connection Block 33 can not interlock, and can limit the chair back 1 and significantly swing back and take security with enhancement.

Claims

1, a kind of seat pendulous device, mainly by the separate type chair back, seat support, the chassis, atmospheric pressure pole, runners is formed, the chassis is by a joining base, one swing seat, a connecting seat, spring base, the control group, adjusting lever is formed, wherein joining base is provided with the fit portion that can supply with the atmospheric pressure pole combination in the bottom, trepanning, and can be for the perforation that interts the spring base screw rod in the front end setting, swing seat top and seat support are affixed, and can be for organizing the perforation of establishing the spring base screw rod in the top setting, swing seat engages by spring base elasticity with joining base, it is characterized in that: joining base the side setting can for intert adjusting lever perforation and can be for interting axostylus axostyle and swing, the axis hole of Connection Block winding; The swing seat can be organized the action hole of establishing adjusting lever and can in the movable block position of corresponding aftermentioned control group open-work and stop section be set again for interting the axis hole of axostylus axostyle and joining base, Connection Block combination in the side setting for interting; Connection Block a side setting can for the junction surface of chair back bar combination, and be provided with in two side faces front end and the place ahead can for intert axostylus axostyle respectively with the axis hole of joining base and the combination of swing seat; The control group comprises that a compressed tablets and a movable block form, compressed tablets one side setting can supply the junction surface with the axostylus axostyle combination, and the side setting can for the articulated section of adjusting lever end combination, movable block is located between joining base and swing seat again, and the top tool can for swing seat stop section against pressure section, and a side setting can for intert axostylus axostyle and with the junction surface of compressed tablets interlock.

2, seat pendulous device as claimed in claim 1 is characterized in that: the two side faces front top of Connection Block is provided with the gradually little oblique pars convoluta of width.