CN2517315Y - Movable armrest and cushion of chair - Google Patents

Movable armrest and cushion of chair Download PDF

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Publication number
CN2517315Y
CN2517315Y CN01264157U CN01264157U CN2517315Y CN 2517315 Y CN2517315 Y CN 2517315Y CN 01264157 U CN01264157 U CN 01264157U CN 01264157 U CN01264157 U CN 01264157U CN 2517315 Y CN2517315 Y CN 2517315Y
Authority
CN
China
Prior art keywords
holder
back cushion
seat
connecting rod
swing arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN01264157U
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Chinese (zh)
Inventor
陈朝根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAIHUA FURNITURE CO Ltd
Original Assignee
TAIHUA FURNITURE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAIHUA FURNITURE CO Ltd filed Critical TAIHUA FURNITURE CO Ltd
Priority to CN01264157U priority Critical patent/CN2517315Y/en
Application granted granted Critical
Publication of CN2517315Y publication Critical patent/CN2517315Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The utility model relates to a structure for a hand rail for a chair, in particular to a structure for two hand rails and a back cushion positioned on the chair which are able to move freely and adjust the angle. The structure comprises a permanent seat, which is fixed on the two side locations of the chair; a parallel link mechanism, comprising a main connecting rod and a pair of swinging and connecting rods respectively joined at two ends of the main connecting rod, and the other end of the swinging and connecting rod is pivoted on the permanent seat, wherein the main connecting rod loads the back cushion. The utility model also comprises a limit structure and a stop structure to avoid the removal and angle change of the hand rails and back cushion during rotation.

Description

A kind of movable handrail and back cushion of seat
Technical field
The utility model relates to a kind of handrail structure of seat, be meant especially a kind of be arranged on seat two and also can move freely position and the handrail of adjusting angle and the structure of back cushion thereof.
Background technology
Handrail and back cushion are set in the both sides of seat, and oneself is common design, handrail the earliest and back cushion adopt fixed design, the user can't at random adjust the position or the angle of handrail, for the different user of stature, can't be at random position by adjusting handrail and back cushion or angle so that both arms obtain than comfortable support and shelve.
In differentiation afterwards, movable armrest and back cushion structure thereof have occurred, but the still difficult meaning of their design is desirable.For example two on " the movable handrail of office chair " of No. the 392477th, No. the 331104th, Taibei patent announcement and bulletin oneself know in the structure, disclosed a kind of movable handrail design, though handrail and back cushion that these two technical schemes are disclosed are movable, but they only can move towards the fore-and-aft direction of seat, or an end of the back cushion of handrail adopted rotatable pivot joint design, with this pivot district contact is that the center rotates, and can't be according to human arm open the distance that formula is adjusted itself and user body centre naturally.That is to say that the technical scheme that these two patents disclose all can't be moved into pleasant Support Position along with user's the arm difference towards the open amplitude in the health outside.
Summary of the invention
Main purpose of the present utility model is to provide a kind of can freely adjust the position and the armrest and the back cushion of amplitude are opened in the plane so that both arms obtain than comfortable support with shelve.
Another purpose of the present utility model is to provide a kind of can the adjustment on its supporting plane to put the armrest that angle also can be slided.
The purpose of this utility model is to adopt following technological means to realize: a kind of movable handrail and back cushion of seat, and be arranged on the both sides of seat and can move freely the position and adjust angle, it is characterized in that, include:
One holder is fixedly installed to the fixed position of the both sides of seat;
One parallel linkage includes the swing arm connecting rod that a master connecting-rod and a pair of frame respectively are connected on the master connecting-rod two ends, and the other end of swing arm connecting rod then is articulated in holder again, wherein master connecting-rod carrying back cushion.
The movable handrail of described seat and the holder of back cushion system is fixed on the both sides that also can be fixed on Chair back on the support of seat both sides.Holder includes a high-safety protecting cover, and high-safety protecting cover covers the surface of holder.The movable handrail of described seat and the parallel linkage of back cushion are a parallel four-bar linkage.A plurality of mechanisms that park are arranged between swing arm connecting rod and sliding seat, park mechanism and include several depressions of being located at holder and swing arm connecting rod respectively and park device, maintain a certain position with the swing arm connecting rod is temporary by depression and the coupling of parking device.Depression is arranged on holder, parking device is installed in respectively on the swing arm connecting rod, park device and have a shell fragment at least, one end of shell fragment maintains static, the other end then extends and the rubber-like free end, free end has a projecting point towards the surface of depression, can push at the elastic force of shell fragment and fall into depression, and make the swing arm connecting rod temporarily maintain a certain position.The both sides of holder are respectively arranged with the limit element of plurality of fixed, in order to the swing arm connecting rod is limited in certain fan-shaped rotating range.
The movable handrail of described seat and bolster apparatus can be provided with a slide-able platform, include: a holder, a sliding seat and a parallel linkage.Holder and sliding seat are respectively equipped with dovetail block and dovetail groove, are coupled by this and mutually, and do relative slip.Movable platform also includes parks mechanism, has several to park a little and one parks device, parks a little and parks device and be separately positioned on sliding seat and holder.Movable platform also includes a spacing escapement, comprising having: be fixedly installed on a stop part of holder, and a limited post that is arranged on sliding seat, by limited post and stop part interference each other with stop, in case the sliding stop seat breaks away from holder.Stop part is located at the side of holder towards sliding seat, and it is a kind of element of projection, and limited post is the nut that a ring is located at sliding seat.
Advantage of the present utility model is: the user can adjust the position or the angle of handrail and back cushion arbitrarily, obtains more comfortable support and shelves.
Description of drawings
Fig. 1 is D structure figure of the present utility model.
Fig. 2 is STRUCTURE DECOMPOSITION figure of the present utility model.
Fig. 3 is the structural map of the bottom of platform of the present utility model.
Fig. 4 is the structural side view of platform of the present utility model and parallel linkage.
Fig. 5 installs structural map on the seat for handrail of the present utility model and back cushion.
Fig. 6 is structural side view of the present utility model (situation the when position that shows slide-able platform is subjected to spacing escapement restriction).
Fig. 7 is local structure figure of the present utility model (the spacing escapement and the structure of parking mechanism that show slide-able platform).
Fig. 8 is the local structure enlarged drawing of Fig. 7.
Fig. 9 is D structure figure of the present utility model.
Figure 10-12 is an operation chart of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As depicted in figs. 1 and 2, the handrail and the back cushion of the utility model design include:
One slide-able platform 10, main system is made of a holder 11 and a sliding seat 12, holder 11 is fixedly installed to the fixed position (as shown in Figure 4) of seat 20 both sides, and sliding seat 12 11 supports of seat that are fixed and can be done relative slip with holder 11;
One parallel linkage 30, include the swing arm connecting rod 32a that a master connecting-rod 31 and a pair of frame respectively are connected on the two ends of master connecting- rod 31,32b, this other end to the swing arm connecting rod then is articulated in sliding seat 12 again, therefore sliding seat 12 is except sliding on the surface of holder 11, it also is one of connecting rod of forming by parallel linkage 30, master connecting-rod 31 wherein is in order to carrying back cushion 40 (as shown in Figure 3 and Figure 4), support by this parallel linkage 30, the user just can move to back cushion 40 different positions or different angles (shown in Figure 10-12) arbitrarily, make user's both arms obtain than comfortable support with shelve.
In the preferred embodiment that the utility model disclosed, sliding seat 12 towards the place ahead of seat 20 or the rear slide, can allow the user according to the length of its arm and mobile sliding seat 12 and back cushion 40 like this, so that obtain than the comfortable support position.Holder 11 and sliding seat 12 in conjunction with and the means that can slide relatively many kinds are arranged, what disclosed as shown in Figure 2 is the design of adopting dovetail groove and dovetail block, at the both sides of the edge of holder 11 design dovetail block 110, then design the dovetail groove 120 that just can be coupled in dovetail block 110 in the both sides of the edge of sliding seat 12, sliding seat 12 just can be together coupled to each other with holder 11, and do relative slip.
In order to prevent that sliding seat 12 breaks away from holder 11 because of slip, in this slide-able platform 10, also design has a kind of spacing escapement, include: the limited post 121 that is fixedly installed on the stop part 111 of holder 11 and is arranged on sliding seat 12, by limited post 121 and stop part 111 stopping each other, just can prevent sliding seat 12 disengaging holders 11 (as shown in Figure 6 and Figure 7); Stop part 111 is positioned at the side of holder 11 towards sliding seat 12, it can be a kind of element or fuel plate of projection, and limited post 121 preferably adopts movable design, the nut that is arranged in sliding seat 12 as use is as limited post 121, so limited post can selectivity be moved to the position that can interfere with stop part 111, in order to stop sliding seat 12 to break away from holder 11, or be moved into not the unlocked position that can interfere with stop part 111, so that the user can take off sliding seat 12 where necessary on holder 11.
In another preferred embodiment, also can by this mechanism that parks, can provide the multistage positioning function of sliding seat 12 in sliding seat 12 and 11 a kind of mechanisms that park of design of holder; This mechanism that parks includes: several park a little and park device, in a kind of possible embodiments that in Fig. 1 of the present utility model, is disclosed, parking a little is several perforation or depressions 50 of arranging along the glide direction of sliding seat 12, parking device then is a kind of shell fragment 51 that is installed in holder 11, one end of this shell fragment 51 is fixed on holder 11 (being installed in holder 11 as utilizing screw 52), its other end then is to extend and the rubber-like free end, free end has a projecting point 510 towards the surface of the depression 50 of sliding seat 12, this projecting point can fall into depression 50 the pushing of elastic force of shell fragment 51, and with the sliding seat 12 temporary a certain positions (Fig. 6 is to shown in Figure 8) that maintain; Certainly this is that a kind of preferable reality is dragged example, even depression 50 also can be obtained identical effect with the position intermodulation of shell fragment 51.As for number and its spacing distance to each other of depression 50, then visual reality need the decision.
Parallel linkage 30 is mainly used to support back cushion 40, and preferred embodiment is to adopt parallel four connecting rods.Master connecting-rod 31 and swing arm connecting rod 32a and 32b have the area of broad, they are that nationality is linked together by bolt 33, pad 34 to each other, see through the arrangement of pivot points, swing arm connecting rod 32a and 32b can rotate to the lap position (as shown in Figure 3) of master connecting-rod 31 belows.In addition, also can allow one of them swing arm connecting rod 32a not rotate, and allow another swing arm connecting rod 32b as shown in figure 10 as the rotation, the user can be the swing that fan-shaped range is made at the center with one of them swing arm connecting rod just like this, with the adjustment back cushion 40 angle.In another preferred embodiment of the present utility model, can between swing arm connecting rod 32a and 32b and sliding seat 12, be provided with a plurality of mechanisms that park equally, this structure of parking includes the depression 50a of parking a little as above-mentioned, and be installed in swing arm connecting rod 32a respectively, 32b is parked device 53a and 53b, depression 50a wherein is arranged on sliding seat 12, these two structures of parking device 53a and 53b are identical, they can move along with the rotation of swing arm connecting rod 32a and 32b, park device 53a, 53b has a shell fragment 54 at least, shell fragment 54 is the same with aforesaid shell fragment 51, the one end maintains static, the other end then extends and the rubber-like free end, free end has a projecting point 540 towards the surface of depression 50a, can fall into depression 50a the pushing of elastic force of shell fragment 54, and allow the temporary a certain position (Figure 10 is to shown in Figure 12) that maintains of swing arm connecting rod 32a and 32b.
Aforesaid depression 50a be dispersed in respectively the pivoting point that is articulated in sliding seat 12 with swing arm connecting rod 32a, 32b be the center of circle etc. radius circumference place, swing arm connecting rod 32a and 32b can park that mechanism is temporary to maintain a certain position by this when rotating to different positions or angle.Certainly can't use because excessively rotate in order to prevent swing arm connecting rod 32a, 32b, some fixedly limit elements 122 can also be set, in order to swing arm connecting rod 32a and 32b are limited in certain fan-shaped rotating range (as shown in figure 10) in the both sides of sliding seat 12 respectively.
As for the mode that aforesaid holder 11 is located at seat 11 both sides, for example holder 11 is installed in a kind of support component 21 (as shown in Figure 5) that is fixed on the both sides of seat 30, this support component 21 may be the support that is fixed on the both sides of seat 20, and also the chair back both sides that holder 11 directly can be fixed on as seat 30 also are feasible embodiment.
At last as shown in Figure 9, for the parallel linkage 30 that prevents to expose crushes the user, the utility model more has additional a high-safety protecting cover 60, and high-safety protecting cover 60 covers the top of sliding seat 12, in order to hide swing arm connecting rod 32a, 32b and to park mechanism.

Claims (13)

1, a kind of movable handrail and back cushion of seat are arranged on the both sides of seat and can move freely the position and adjust angle, it is characterized in that, include:
One holder is fixedly installed to the fixed position of the both sides of seat;
One parallel linkage includes the swing arm connecting rod that a master connecting-rod and a pair of frame respectively are connected on the master connecting-rod two ends, and the other end of swing arm connecting rod then is articulated in holder again, wherein master connecting-rod carrying back cushion.
2, the movable handrail and the back cushion of seat according to claim 1 is characterized in that: holder system is fixed on the support of seat both sides.
3, the movable handrail and the back cushion of seat according to claim 1, it is characterized in that: holder is fixed on the both sides of Chair back.
4, the movable handrail and the back cushion of seat according to claim 1, it is characterized in that: holder includes a high-safety protecting cover, and high-safety protecting cover covers the surface of holder.
5, the movable handrail and the back cushion of seat according to claim 1 is characterized in that: parallel linkage is a parallel four-bar linkage.
6, the movable handrail and the back cushion of seat according to claim 1, it is characterized in that: a plurality of mechanisms that park are arranged between swing arm connecting rod and the sliding seat, park mechanism and include several depressions of being located at holder and swing arm connecting rod respectively and park device, maintain a certain position with the swing arm connecting rod is temporary by depression and the coupling of parking device.
7, the movable handrail and the back cushion of seat according to claim 6, it is characterized in that: depression is arranged on holder, parking device is installed in respectively on the swing arm connecting rod, park device and have a shell fragment at least, one end of shell fragment maintains static, and the other end then extends and the rubber-like free end, and free end has a projecting point towards the surface of depression, can push at the elastic force of shell fragment and fall into depression, and make the swing arm connecting rod temporarily maintain a certain position.
8, the movable handrail and the back cushion of seat according to claim 1 is characterized in that: the both sides of holder are respectively arranged with the limit element of plurality of fixed, in order to the swing arm connecting rod is limited in certain fan-shaped rotating range.
9, the movable handrail and the back cushion of seat according to claim 1 is characterized in that: a slide-able platform can be set, include: a holder, a sliding seat and a parallel linkage.
10, the movable handrail and the back cushion of seat according to claim 9, it is characterized in that: holder and sliding seat are respectively equipped with dovetail block and dovetail groove, are coupled by this and mutually, and do relative slip.
11, the movable handrail and the back cushion of seat according to claim 9 is characterized in that: movable platform includes parks mechanism, has several to park a little and one parks device, parks a little and parks device and be separately positioned on sliding seat and holder.
12, the movable handrail and the back cushion of seat according to claim 9, it is characterized in that: movable platform includes a spacing escapement, comprising having: a stop part that is fixedly installed on holder, an and limited post that is arranged on sliding seat, by limited post and stop part interference each other with stop, in case the sliding stop seat breaks away from holder.
13, the movable handrail and the back cushion of seat according to claim 12 is characterized in that: stop part is located at the side of holder towards sliding seat, and it is a kind of element of projection, and limited post is the nut that a ring is located at sliding seat.
CN01264157U 2001-10-10 2001-10-10 Movable armrest and cushion of chair Expired - Fee Related CN2517315Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN01264157U CN2517315Y (en) 2001-10-10 2001-10-10 Movable armrest and cushion of chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN01264157U CN2517315Y (en) 2001-10-10 2001-10-10 Movable armrest and cushion of chair

Publications (1)

Publication Number Publication Date
CN2517315Y true CN2517315Y (en) 2002-10-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN01264157U Expired - Fee Related CN2517315Y (en) 2001-10-10 2001-10-10 Movable armrest and cushion of chair

Country Status (1)

Country Link
CN (1) CN2517315Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109497752A (en) * 2018-12-18 2019-03-22 浙江粤强家具科技有限公司 The adjustable armrests in position
CN109567465A (en) * 2018-12-18 2019-04-05 浙江粤强家具科技有限公司 Convenient for the swivel chair of adjusting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109497752A (en) * 2018-12-18 2019-03-22 浙江粤强家具科技有限公司 The adjustable armrests in position
CN109567465A (en) * 2018-12-18 2019-04-05 浙江粤强家具科技有限公司 Convenient for the swivel chair of adjusting
CN109567465B (en) * 2018-12-18 2024-05-07 浙江粤强家具科技有限公司 Swivel chair convenient to adjust

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee