CN105708207A - Foldable foot rest - Google Patents

Foldable foot rest Download PDF

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Publication number
CN105708207A
CN105708207A CN201610185032.2A CN201610185032A CN105708207A CN 105708207 A CN105708207 A CN 105708207A CN 201610185032 A CN201610185032 A CN 201610185032A CN 105708207 A CN105708207 A CN 105708207A
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CN
China
Prior art keywords
extensible member
footrest
hinged
connecting rod
installing plate
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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.)
Granted
Application number
CN201610185032.2A
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Chinese (zh)
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CN105708207B (en
Inventor
陈锦文
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.)
Jiaxing Beisite Furniture Manufacturing Co., Ltd.
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陈锦文
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Filing date
Publication date
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Priority to CN201610185032.2A priority Critical patent/CN105708207B/en
Publication of CN105708207A publication Critical patent/CN105708207A/en
Application granted granted Critical
Publication of CN105708207B publication Critical patent/CN105708207B/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/50Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type

Abstract

The invention relates to an office supply, in particular to a swivel chair foot rest. The foldable foot rest comprises a mounting plate, a foot-rest plate and a stretchable assembly used for connecting the mounting plate with the foot-rest plate, wherein the stretchable assembly comprises a scissor-type stretchable structure and a connection rod, the scissor-type stretchable structure comprises a first stretchable part and a second stretchable part which are mutually hinged, and the connection rod comprise a first connection rod and a second connection rod; one end of the first connection rod is hinged to one end of the first stretchable part to form a first stretchable assembly, one end of the second connection rod is hinged to one end of the second stretchable part to form a second stretchable assembly, one end of the first stretchable assembly is hinged to one position of the mounting plate, the other end of the first stretchable assembly is hinged to one position of the foot-rest plate, one end of the second stretchable assembly is hinged to another position of the foot-rest plate, and the other end of the second stretchable assembly is hinged to another position of the mounting plate. The foldable foot rest can realize the best closing and folding effect and has the advantages of being simple in structure, convenient to mount, stable in supporting, labor-saving and the like.

Description

A kind of foldable foot-rest
Technical field
The present invention relates to a kind of office appliance, particularly relate to a kind of Folding swivel chair footrest rack.
Technical background
Swivel chair is one of furniture indispensable in office, people are in the long working time, most of the time is all sitting on chair and handles official business, it is seated for a long time and easilys lead to physical fatigue, and relieving fatigue bends over the desk to have a rest the most exactly, cervical vertebra and lumbar vertebra etc. are had certain injury by the posture bending over the desk to have a rest, and so will have a strong impact on the health of human body for a long time.Just become the first-selection of people so recumbency swivel chair is had a rest, but when lying on swivel chair, the foot of people has not but had suitable position to place so that people have lain in and have been not as comfortable on chair.
Authorize the disclosed a kind of swivel chair footrest of publication number CN204410211U, connect assembly and Opposite direction connection assembly including swivel chair installing plate, footrest body, forward;Swivel chair installing plate is provided with Opposite direction connection portion and forward connecting portion, footrest body is provided with reverse leg rest connecting portion and forward leg rest connecting portion, forward connect assembly include forward install connect axle, forward installation connecting element, forward are installed connecting rod and forward leg rest and are connected axle, reverse mounting assembly include reversely installing connect axle, reversely install connecting rod, reverse installation connecting element and reversely leg rest connect axle.
Although achieving the function of leg rest on certain condition, but it folds and tucked way cannot realize controlling, and effect that is folding and that launch is bad.
Summary of the invention
For above-mentioned produced problem, now provide one can fold and launch by stability contorting voluntarily, and the more stable a kind of foldable foot-rest realizing leg rest function.
To achieve these goals, technical scheme is as follows:
A kind of foldable foot-rest, including installing plate, footrest and for being connected the telescopic component of installing plate and footrest, it is characterized in that: described telescopic component includes scissor type telescopic structure and connecting rod, scissor type telescopic structure is made up of the first extensible member being hinged and the second extensible member, described connecting rod includes first connecting rod and second connecting rod, wherein hinged formation first telescopic component in one end of one end of first connecting rod and the first extensible member, hinged formation second telescopic component in one end of one end of second connecting rod and the second extensible member, one end of first telescopic component is hinged on a position of described installing plate, the other end is hinged on a position of footrest, one end of second telescopic component is hinged on another position of described footrest, the other end is hinged on another position of installing plate;Described first extensible member is an annular construction member, its one end is hinged on described first connecting rod as an axle sleeve, the other end is hinged on the both sides, one end of described installing plate as installing axle, described second extensible member one drum component, its one end is hinged on described second connecting rod as an axle sleeve, and the other end is hinged on the both sides, one end of described footrest as installing axle.
Accordingly, above-mentioned footrest rack realizes due to the scissor type telescopic structure in its telescopic component launching and drawing in, wherein, scissor type telescopic structure is made up of the first extensible member being hinged and the second extensible member, simultaneously, hinged formation first telescopic component in one end of one end of first connecting rod and the first extensible member, hinged formation second telescopic component in one end of one end of second connecting rod and the second extensible member, make expansion and gathering process between footrest and installing plate more stable so that the movement relation between each assembly is more stable.
Preferred as such scheme, the first outer setting of extensible member, the second inner setting of extensible member, in the telescopic process of described scissor type telescopic structure, when the first extensible member pressure is on described second extensible member, forming position limiting structure, now the retracted position of footrest rack is limit deployed condition.Accordingly, when footrest rack is in limit deployed condition, foot is shelved on footrest by people, and owing to the first extensible member pressure is on described second extensible member, the second extensible member plays the restriction that the first extensible member is moved downward, thus supporting foot.
Preferred as such scheme, the length b sum of footrest wheelbase a and first connecting rod more than be positioned at footrest the second extensible member the axle ultimate range c to described first extensible member Yu the jointed shaft of first connecting rod is installed;Due to a+b > c, when being positioned at the installation axle of the second extensible member of the footrest distance to described first extensible member Yu the jointed shaft of first connecting rod and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of footrest;If from described gathering initial state, footrest applies to draw in the power in direction: when force value is not less than threshold value, c becomes c ', c ' > c under that force, and the critical condition of a+b=c ' occurs;When force value is more than threshold value, the critical condition of a+b=c ' is broken, and c becomes c under that force ", c≤c " < c ', now the retracted position of footrest rack is the gathering done state of footrest.
Preferred as such scheme, the length e sum of installing plate wheelbase d and second connecting rod more than be positioned at installing plate the first extensible member the axle ultimate range f to described second extensible member-and the jointed shaft of second connecting rod is installed;Due to d+e > f, when being positioned at the installation axle of the first extensible member of the installing plate distance to described second extensible member Yu the jointed shaft of second connecting rod and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of installing plate;If from described gathering initial state, installing plate applies to draw in the power in direction: when force value is not less than threshold value, f becomes f ', f ' > c under that force, and the critical condition of d+e > f ' occurs;When force value is more than threshold value, the critical condition of d+e=f ' is broken, and f becomes f under that force ", f≤f " < f ', now the retracted position of footrest rack is the gathering done state of installing plate.
Accordingly, footrest and installing plate can be applied to draw in the power in direction and carry out the further gathering to footrest rack by people, when force value is more than threshold value, it may be achieved the gathering done state of footrest and installing plate, it is achieved best gathering form.
Preferred as such scheme, the hinge of the first extensible member and the second extensible member, the distance from link joint feature is X, and the distance from installing plate connecting portion or footrest connecting portion is Y, then Y > 3X.Accordingly, due to Y > 3X, when such footrest rack carries out flexible, use less strength just can be carried out launching and drawing in, adapted to the application of many crowds.
Preferred as such scheme, described first connecting rod is an annular construction member, and its one end is hinged on described first extensible member as hinge, and the other end is hinged on the body center of described footrest as installing axle.
Preferred as such scheme, described second connecting rod is an annular construction member, and its one end is hinged on described second extensible member as a hinge, and the other end is hinged on the front center of described installing plate as installing axle.
Preferred as such scheme, described installing plate and be respectively equipped with multiple installation bolt hole on footrest body, described installing plate is fixedly installed on transfer by multiple bolts and sits that bottom crossing pad, and foot-rest is arranged on described footrest by bolt.
The present invention has beneficial effect:
1, in the present invention, footrest rack realizes due to the scissor type telescopic structure in its telescopic component launching and drawing in, wherein, scissor type telescopic structure is made up of the first extensible member being hinged and the second extensible member, simultaneously, hinged formation first telescopic component in one end of one end of first connecting rod and the first extensible member, hinged formation second telescopic component in one end of one end of second connecting rod and the second extensible member, make expansion and gathering process between footrest and installing plate more stable so that the movement relation between each assembly is more stable;
2, in the present invention in the telescopic process of described scissor type telescopic structure, when the first extensible member pressure is on described second extensible member, position limiting structure is formed, it is achieved that the support to foot;
3, in the present invention, the power of footrest and installing plate applying gathering direction can be carried out the further gathering to footrest rack by people, when force value is more than threshold value, it may be achieved the gathering done state of footrest and installing plate, it is achieved best gathering form.
Accompanying drawing explanation
Fig. 1 is the swivel chair structural representation with footrest rack;
Fig. 2 is a kind of foldable foot-rest unfolding state figure;
Fig. 3 is a kind of foldable foot-rest limit unfolding state figure;
Fig. 4 is a kind of foldable foot-rest rounding state figure;
Fig. 5 is that a kind of foldable foot-rest draws done state figure in;
Fig. 6 is the axonometric chart of a kind of foldable foot-rest;
Fig. 7 is the upward view of a kind of foldable foot-rest;
Fig. 8 is the top view of a kind of foldable foot-rest;
In figure, 1-installing plate, 2-telescopic component, 21-scissor type telescopic structure, 21-1, the first extensible member, 21-2-the second extensible member, 22-connecting rod, 22-1-first connecting rod, 22-2-second connecting rod, 3-footrest.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not doing creative work premise, broadly fall into the scope of protection of the invention.
Below in conjunction with accompanying drawing, with embodiment, the present invention is described in detail.
Embodiment 1: as shown in Figure 2, a kind of foldable foot-rest, including installing plate 1, footrest 3 and for being connected the telescopic component 2 of installing plate and footrest, telescopic component 2 includes scissor type telescopic structure 21 and connecting rod 22, scissor type telescopic structure 21 is made up of the first extensible member 21-1 being hinged and the second extensible member 21-2, connecting rod 22 includes first connecting rod 22-1 and second connecting rod 22-2, wherein hinged formation first telescopic component in one end of one end of first connecting rod 22-1 and the first extensible member 21-1, hinged formation second telescopic component in one end of one end of second connecting rod 22-2 and the second extensible member 21-2, one end of first telescopic component is hinged on a position of installing plate 1, the other end is hinged on a position of footrest 3, one end of second telescopic component is hinged on another position of footrest 3, the other end is hinged on another position of installing plate 1.
As shown in Fig. 3, Fig. 7 and Fig. 8, the first outer setting of extensible member 21-1, the second inner setting of extensible member 21-2, in the telescopic process of scissor type telescopic structure 21, when the first extensible member 21-1 pressure is on the second extensible member 21-2, forming position limiting structure, now the retracted position of footrest rack is limit deployed condition.
As shown in Figure 4 and Figure 5, first connecting rod (22-1) and the hinged hinge shaft axis of footrest (3) are footrest wheelbase a to the air line distance between the hinged hinge shaft axis of the second extensible member (21-2) and footrest (3), the length b sum of footrest wheelbase a and first connecting rod 22-1 more than be positioned at footrest the second extensible member 21-2 the axle ultimate range c to the first extensible member 21-1 Yu the jointed shaft of first connecting rod 22-1 is installed;Due to a+b > c, when being positioned at the installation axle of the second extensible member 21-2 of the footrest distance to the first extensible member 21-1 Yu the jointed shaft of first connecting rod 22-1 and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of footrest;If from drawing initial state in, footrest applies to draw in the power in direction: when force value is not less than threshold value, c becomes c ', c ' > c under that force, and the critical condition of a+b=c ' occurs;When force value is more than threshold value, the critical condition of a+b=c ' is broken, and c becomes c under that force ", c≤c " < c ', now the retracted position of footrest rack is the gathering done state of footrest.
As shown in Figure 4 and Figure 5, second connecting rod (22-2) and the hinged hinge shaft axis of installing plate (1) are installing plate wheelbase d to the air line distance between the hinged hinge shaft axis of the first extensible member (21-1) and installing plate (1), the length e sum of installing plate wheelbase d and second connecting rod 22-2 more than be positioned at installing plate the first extensible member 21-1 the axle ultimate range f to the second extensible member 21-2 Yu the jointed shaft of second connecting rod 22-2 is installed;Due to d+e > f, when being positioned at the installation axle of the first extensible member 21-1 of the installing plate distance to the second extensible member 21-2 Yu the jointed shaft of second connecting rod 22-2 and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of installing plate;If from drawing initial state in, installing plate applies to draw in the power in direction: when force value is not less than threshold value, f becomes f ', f ' > c under that force, and the critical condition of d+e > f ' occurs;When force value is more than threshold value, the critical condition of d+e=f ' is broken, and f becomes f under that force ", f≤f " < f ', now the retracted position of footrest rack is the gathering done state of installing plate.
As it is shown on figure 3, the hinge of the first extensible member 21-1 and the second extensible member 21-2, the distance from link joint feature is X, and the distance from installing plate 1 connecting portion or footrest 3 connecting portion is Y, then Y > 3X.
As shown in Figure 6, first extensible member 21-1 is an annular construction member, its one end is hinged on first connecting rod by an axle sleeve, the other end is hinged on the both sides, one end of installing plate 1 as installing axle, second extensible member 21-2 is a drum component, and its one end is hinged on second connecting rod as an axle sleeve, and the other end is hinged on the both sides, one end of footrest 3 as installing axle, second extensible member 21-2 is arranged in the annular construction member of the first extensible member 21-1, directly hinged with the first extensible member 21-1 by hinge.
As shown in Fig. 6, Fig. 7 and Fig. 8, first connecting rod 22-1 is an annular construction member, and its one end is hinged on the first extensible member 21-1, and the other end is hinged on the body center of footrest 3.Second connecting rod 22-2 is an annular construction member, and its one end is hinged on described second extensible member 21-2 as a hinge, and the other end is installed axle as one and is hinged on the front center of installing plate 1.
With reference to Fig. 1, installing plate 1 and be respectively equipped with multiple installation bolt hole on footrest 3 body, installing plate 1 is fixedly installed on the bottom shifting medicated cushion by multiple bolts, and foot-rest is arranged on footrest 3 by bolt.
Above in conjunction with accompanying drawing, embodiments of the present invention are described in detail, but the present invention is not limited to above-mentioned embodiment, in the ken possessed belonging to one skilled in the relevant art, it is also possible to make various change under the premise without departing from present inventive concept.

Claims (8)

1. a foldable foot-rest, including installing plate (1), footrest (3) and for being connected the telescopic component (2) of installing plate and footrest, it is characterized in that: described telescopic component (2) includes scissor type telescopic structure (21) and connecting rod (22), scissor type telescopic structure (21) is made up of the first extensible member (21-1) being hinged and the second extensible member (21-2), described connecting rod (22) includes first connecting rod (22-1) and second connecting rod (22-2), wherein hinged formation first telescopic component in one end of one end of first connecting rod (22-1) and the first extensible member (21-1), hinged formation second telescopic component in one end of one end of second connecting rod (22-2) and the second extensible member (21-2), one end of first telescopic component is hinged on a position of described installing plate (1), the other end is hinged on a position of footrest (3), one end of second telescopic component is hinged on another position of described footrest (3), the other end is hinged on another position of installing plate (1);Described first extensible member (21-1) is an annular construction member, its one end is hinged on described first connecting rod as an axle sleeve, the other end is hinged on the both sides, one end of described installing plate (1) as installing axle, described second extensible member (21-2) is a drum component, its one end is hinged on described second connecting rod as an axle sleeve, and the other end is hinged on the both sides, one end of described footrest (3) as installing axle.
2. a kind of foldable foot-rest according to claim 1, it is characterized in that: the first extensible member (21-1) outer setting, second extensible member (21-2) inner setting, in the telescopic process of described scissor type telescopic structure (21), when the first extensible member (21-1) pressure is when described second extensible member (21-2) is upper, forming position limiting structure, now the retracted position of footrest rack is limit deployed condition.
3. a kind of foldable foot-rest according to claim 1, it is characterised in that: length (b) sum of footrest wheelbase (a) and first connecting rod (22-1) is more than being positioned at the installation axle of the second extensible member (21-2) of footrest to the ultimate range (c) of described first extensible member (21-1) Yu the jointed shaft of first connecting rod (22-1);Due to a+b > c, when being positioned at the installation axle of the second extensible member (21-2) of the footrest distance to described first extensible member (21-1) Yu the jointed shaft of first connecting rod (22-1) and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of footrest;If from described gathering initial state, footrest applies to draw in the power in direction: when force value is not less than threshold value, c becomes c ', c ' > c under that force, and the critical condition of a+b=c ' occurs;When force value is more than threshold value, the critical condition of a+b=c ' is broken, and c becomes c under that force ", c≤c " < c ', now the retracted position of footrest rack is the gathering done state of footrest.
4. a kind of foldable foot-rest according to claim 1, it is characterised in that: length (e) sum of installing plate wheelbase (d) and second connecting rod (22-2) is more than being positioned at the installation axle of the first extensible member (21-1) of installing plate to the ultimate range (f) of described second extensible member (21-2) Yu the jointed shaft of second connecting rod (22-2);Due to d+e > f, when being positioned at the installation axle of the first extensible member (21-1) of the installing plate distance to described second extensible member (21-2) Yu the jointed shaft of second connecting rod (22-2) and just reaching maximum, now the retracted position of footrest rack is the gathering initial state of installing plate;If from described gathering initial state, installing plate applies to draw in the power in direction: when force value is not less than threshold value, f becomes f ', f ' > c under that force, and the critical condition of d+e > f ' occurs;When force value is more than threshold value, the critical condition of d+e=f ' is broken, and f becomes f under that force ", f≤f " < f ', now the retracted position of footrest rack is the gathering done state of installing plate.
5. a kind of foldable foot-rest according to claim 1, it is characterized in that: the hinge of the first extensible member (21-1) and the second extensible member (21-2), distance from link joint feature is X, distance from installing plate (1) connecting portion or footrest (3) connecting portion is Y, then Y > 3X.
6. a kind of foldable foot-rest according to claim 1, it is characterized in that: described first connecting rod (22-1) is an annular construction member, its one end is hinged on described first extensible member (21-1) as hinge, and the other end is hinged on the body center of described footrest (3) as installing axle.
7. a kind of foldable foot-rest according to claim 1, it is characterized in that: described second connecting rod (22-2) is an annular construction member, its one end is hinged on described second extensible member (21-2) as hinge, and the other end is hinged on the front center of described installing plate (1) as installing axle.
8. a kind of foldable foot-rest according to claim 1, it is characterized in that: described installing plate (1) and be respectively equipped with multiple installation bolt hole on footrest (3) body, described installing plate (1) is fixedly installed on transfer by multiple bolts and sits that bottom crossing pad, and foot-rest is arranged on described footrest (3) by bolt.
CN201610185032.2A 2016-03-29 2016-03-29 A kind of foldable foot-rest Active CN105708207B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610185032.2A CN105708207B (en) 2016-03-29 2016-03-29 A kind of foldable foot-rest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610185032.2A CN105708207B (en) 2016-03-29 2016-03-29 A kind of foldable foot-rest

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CN105708207B CN105708207B (en) 2019-02-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107822357A (en) * 2017-10-31 2018-03-23 南京工程学院 One kind folds explosion-proof air pressure chair

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201165277Y (en) * 2007-12-28 2008-12-17 李榕炘 Dune buggy footrest
CN204105362U (en) * 2014-09-13 2015-01-21 连娇凤 New steel structure folding seat
CN105326253A (en) * 2015-12-09 2016-02-17 丁亮 Folding type footrest device
CN105342193A (en) * 2015-12-09 2016-02-24 丁亮 Foldable foot supporting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201165277Y (en) * 2007-12-28 2008-12-17 李榕炘 Dune buggy footrest
CN204105362U (en) * 2014-09-13 2015-01-21 连娇凤 New steel structure folding seat
CN105326253A (en) * 2015-12-09 2016-02-17 丁亮 Folding type footrest device
CN105342193A (en) * 2015-12-09 2016-02-24 丁亮 Foldable foot supporting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107822357A (en) * 2017-10-31 2018-03-23 南京工程学院 One kind folds explosion-proof air pressure chair

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Effective date of registration: 20191021

Address after: 314500 No.76 Fengxiang East Road, Wutong street, Tongxiang City, Jiaxing City, Zhejiang Province

Patentee after: Jiaxing Beisite Furniture Manufacturing Co., Ltd.

Address before: 505, room 3, unit 75, 313300 mansion, Shangcheng mansion, Chang Shuo street, Anji County, Zhejiang, Huzhou

Patentee before: Chen Jin Wen

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