CN201175121Y

CN201175121Y - Chair-back leaning-facing upward interlock seat-part

Info

Publication number: CN201175121Y
Application number: CNU2008200080203U
Authority: CN
Inventors: 蔡轩进
Original assignee: Fuh Shyan Co Ltd
Current assignee: Fuh Shyan Co Ltd
Priority date: 2008-03-05
Filing date: 2008-03-05
Publication date: 2009-01-07
Anticipated expiration: 2018-03-05

Abstract

The utility model discloses a chair back leaning type coupled sitting device, in particular to a sitting device composed of a base unit, a sitting unit and a chair back unit, wherein, a front guide channel used for passing through a pin rod arranged at the front end of the sitting unit is arranged at the upper side of the front end of the base unit, extension parts are downwards extended from the two sides of the front end of the sitting unit, rear guide channels are slantways arranged at the two sides of the rear end, the two lower end tails of the chair back unit are pivoted with the extension parts, a member passes through the chair back unit, and the two ends of the member pass through the rear guide channels at the two sides of the rear end of the sitting unit, so the sitting unit can do relative fore-and-aft movement in the approximate horizontal state when the leaning adjustment is carried out to the chair back unit according to the required angle, thereby the buttocks and the back of the sitter are positioned between the sitting unit and the chair back unit, the relative dislocation movement and the friction cannot be caused, and the more comfort leaning adjustment can be obtained.

Description

Chair back reclining interlock is sat part device

Technical field

The utility model relates to a kind of chair back reclining interlock and sits part device, it is the relation that has continued moving displacement between unit and the chair back unit of taking of seat, allow chair back unit when doing the reclining angle adjustment, this is taken the unit and also does relatively moving of front and back thereupon, and then makes occupant's buttocks, back can and not take the friction that dislocation takes place between unit, the chair back unit.

Background technology

The chair back of general office chair tool all has can adjust the position that leans on the reclining angle, taking the position is the state that is maintained fixed, so when the chair back recedes, originally occupant's back and the chair between the chair back are by point, promptly the phenomenon that relative dislocation is moved can take place, cause between occupant's the back and the chair back and rub, even the occupant also can face upward by the change of posture and causes the slip of its buttocks.

Though the portion of taking of some office chair, can do the layback of suitable angle along with the reclining of the chair back, no doubt can reduce occupant's back and the dislocation friction between the chair back, but still outside can't avoiding fully, though occupant's the chair back is reclining backward, take portion after receding slightly thereupon, occupant's the lying posture gesture of inclining does not have to take place too big variation on the contrary, that is the occupant just keeps identical sitting posture and recedes, so the occupant reaches the purpose that not facing upward lies has a rest at all, its belly can't be loosened fully and do not suffer oppression.

The utility model content

In order to improve foregoing problems, the purpose of this utility model provides a kind of chair back reclining interlock and sits part device.

The utility model technical solution problem is carried out the technical skill that chair back reclining interlock is sat part device, the approach end end pivot that is a chair back unit is fixed on the base unit of an installing chair pin, and make chair back unit side end stretch the extension pivot of establishing downwards to close with the front end of taking the unit, and make wearing two ends on the chair back unit and wearing the rod member that closes in the set back guide groove in the rear end of taking the unit, the base unit front end is established one and can be worn the front guide slot of closing for taking the set pin rod of unit front end simultaneously again.

In addition, being provided with in conjunction with one on the above-mentioned rod member on chair back unit of the present utility model can be for the positioning component of the continuous locating hole of the backstay blocking of being located at the base unit rear end.

Again, above-mentioned base unit of the present utility model bottom is established one and is installed with one and is subjected to spring push and both sides to be provided with the slide block of wearing the bar portion of closing on the extension of taking the unit after slotted eye by the flank of base unit passes.

The beneficial effects of the utility model are, reclining by the above-mentioned chair back of the present utility model unit palpus angle doing, its end end can promote to take the unit and move forward, front guide slot by base unit and take the back guide groove of unit simultaneously, make and to keep being close to horizontal state when taking element displacement, and then allowing occupant and taking between each contact site of unit, chair back unit, the phenomenon of the friction that can not misplace makes to take when adjusting to obtain more comfortable dependence.

In addition, the reclining adjustment of the above-mentioned chair back of the present utility model unit can be done outside the location by backstay and cooperating of positioning component, also can chair back unit can be automatically reset by the slide block effect that is subjected to spring push in the base unit.

Description of drawings

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

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an other direction schematic perspective view of the present utility model.

Fig. 3 is a side view of the present utility model.

Fig. 4 is the location structure schematic diagram of the utility model reclining.

Fig. 5 is the illustrative view of the backstay of the utility model reclining location structure.

Fig. 6 is the utility model chair back unit and takes illustrative view between the unit.

Figure of abstract of the present utility model is: Fig. 3.

Element explanation among the figure:

1. base unit 10. chutes

11. front guide slot 12. ear seats

13. backstay 131. stop sections

132. location division 14. springs

15. catch 16. cable wires

17. spring 18. slide blocks

181. bar portion 19. slotted eyes

2. take unit 21. ear seats

22. pin rod 23. extensions

24. back guide groove 3. chair back unit

31. pivot point 32. rod members

33. positioning component 330. locating holes

The specific embodiment

See also Fig. 1,2, shown in 3 and 4, the utility model comprises one for the base unit 1 that combines with the chair pin, one for the chair back unit of taking 3 that unit 2 and supplies leaning on back of taking, wherein place, the front end of this base unit 1 top establishes a front guide slot 11, rear end then is provided with two relative ear seats 12, and on two ear seats 12, wear a positioning rod 13, and make an end of this backstay 13 pass the sheathed spring 14 in back by an ear seat 12, and the end top of spring 14 is sitting on this ear seat 12, the other end then relies on the catch 15 that backstay 13 outboard ends are set firmly, the other end of multiple backstay 13 passes back and a cable wire 16 bindings by the ear seat 12 of respective side, and make this end of backstay 13 have stop section 131, enable the top and terminate on the ear seat 12, making an end of backstay 13 more simultaneously is a location division 132.

In addition, the aforesaid front end bottom surface of taking unit 2 is provided with two relative ear seats 21, and between two ear seats 21, wear a pin rod 22, and pin rod 22 is through in the set front guide slot 11 of the front end of base unit 1, the front end both sides of taking unit 2 are again established and are stretched downwards and hold the end to extend to the extension 23 at 1 liang of flank place of base unit, and the both sides, rear end of taking unit 2 simultaneously tiltedly are provided with back guide groove 24 again.

Multiple, the last pivot of the last end with two extensions 23 of taking unit 2 of two lower end ends of aforesaid chair back unit 3 admittedly together, and the pivot point 31 that makes the approach end end of chair back unit 3 is that pivot is fixed on the base unit 1, and then set firmly a rod member 32 again on the chair back unit 3 located after a while of order, and hold in the back guide groove 24 of both sides after the two ends of this rod member 32 being arranged in take unit 2; And set firmly certain hyte part 33 on the rod member 32 of chair back unit 3, and make and offer a continuous locating hole 330 on this positioning component 33, and positioning component 33 is arranged between the two set ear seats 12 of base unit 1 rear end, and allows the backstay 13 that is worn on the ear seat 12 pass through in the locating hole 330 of positioning component 33.

Secondly, a chute 10 that can move for a slide block 18 is installed with is established in the bottom of above-mentioned base unit 1, and in this chute 10, establish one can be to the spring 17 of these slide block 18 pushing tows, and then the both sides that make this slide block 18 are provided with bar portion 181, and after the slotted eye 19 that two side lever portions 181 are offered by 1 liang of flank of base unit passes, fasten person on the extension 23 of taking unit 2 again.

See also shown in Fig. 5 and 6, when cable wire 16 outwards spurs, the location division 132 of backstay 13 can detach the locating hole 330 of positioning component 33, make chair back unit 3 be done the adjustment of reclining angle backward, the end, lower end and rod member 32 places thereof of while chair back unit 3, can do the effect of pushing tow forward to taking unit 2, take unit 2 displacement forward thereupon and make, also can make simultaneously the slide block 18 in the base unit 1 move forward, make 17 pairs of slide blocks of spring 18 keep the pre-power of pushing tow, after making the location division 132 of backstay 13 up to discharging cable wire 16 blocking being gone into arbitrary locating hole 330 in again, can make chair back unit 3 and take unit 2 and locate; Otherwise, if when making the location division 132 of backstay 13 withdraw from locating hole 330 more again, then, make end, the lower end displacement backward of chair back unit 3 because of the pre-power of the pushing tow of spring 17 drives down via slide block 18, and allow chair back unit 3 swing that resets, also order is taken unit 2 and is retired backward simultaneously.

So, above-mentioned chair back unit 3 is when carrying out the adjustment of reclining angle, this takes unit 2 also can do moving of front and back thereupon, also order is taken unit 2 and is remained in horizontal state simultaneously, allow the occupant buttocks, back and take when keeping in touch between unit 2, the chair back unit 3, the relatively friction phenomenon of dislocation can not take place, allow the occupant lean on even to face upward when lying carrying out reclining, its buttocks and back can both comfortable reclining and do not have a sense of discomfort of friction.

Claims

1, a kind of chair back reclining interlock is sat part device, it is characterized in that: comprise that a base unit, takes a unit and a chair back unit, wherein:

This base unit is a position for the combination of chair pin, locates to establish a front guide slot above its front end;

This takes the unit, it is a position of Gong taking, set firmly one at its front end place and wear the pin rod that closes in the front guide slot of base unit, and and its front end both sides be provided with to stretch downwards and hold end and end, two lower ends of chair back unit pivot together extension admittedly, and make both sides, its rear end tiltedly be provided with the back guide groove again;

This chair back unit, be to be a position for leaning on back, close with the two extension ends end pivot of taking the unit at its end, two lower ends, and its approach end end pivot is fixed on the base unit, order is located to set firmly a rod member more after a while again then, and the two ends slide guide that makes this rod member is in the back guide groove of taking both sides, rear end, unit.

2, chair back reclining interlock according to claim 1 is sat part device, it is characterized in that: the rear end of this base unit is established a backstay of doing the elastic telescopic displacement, then set firmly certain hyte part on the rod member of chair back unit, and make and offer a continuous locating hole on this positioning component, and backstay is located in arbitrary locating hole.

3, chair back reclining interlock according to claim 1 is sat part device, it is characterized in that: the belly place, both sides of this base unit offers slotted eye, and base unit bottom is established one and is installed with a chute that is subjected to the slide block of spring push, and after making these slide block both sides be provided with bar portion passing, fasten again on the extension of taking the unit by the slotted eye of the flank of base unit.

4, chair back reclining interlock according to claim 1 is sat part device, it is characterized in that: this base unit rear end be provided with two relatively and between the ear seat that can hold for positioning component, and this backstay is to be arranged on the two ear seats, and the sheathed top of an end that makes backstay is seated on the ear seat and to the spring of its outside pushing tow, and the other end of backstay is then linked by the cable wire that the ear seat of respective side wears back and its displacement of pulling, when backstay is provided with the location division along with its displacement simultaneously and blocking is gone into or withdraw from the locating hole of positioning component.