CN105832038A - Telescopic positioning device of footrest - Google Patents

Telescopic positioning device of footrest Download PDF

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Publication number
CN105832038A
CN105832038A CN201610351024.0A CN201610351024A CN105832038A CN 105832038 A CN105832038 A CN 105832038A CN 201610351024 A CN201610351024 A CN 201610351024A CN 105832038 A CN105832038 A CN 105832038A
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CN
China
Prior art keywords
connecting rod
seat support
positioning device
support connecting
telescopic positioning
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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.)
Pending
Application number
CN201610351024.0A
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Chinese (zh)
Inventor
丁亮
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610351024.0A priority Critical patent/CN105832038A/en
Publication of CN105832038A publication Critical patent/CN105832038A/en
Pending legal-status Critical Current

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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
    • A47C7/506Supports for the feet or the legs of adjustable type

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  • Types And Forms Of Lifts (AREA)

Abstract

The invention discloses a telescopic positioning device of a footrest. The telescopic positioning device comprises a chair seat board, and further comprises a chair seat connecting rod arranged at the bottom of the chair seat board, a positioning sleeve used for supporting the chair seat connecting rod to the bottom of the chair seat board, and a positioner arranged on the positioning sleeve, wherein a sliding passage is formed between the positioning sleeve and the chair seat board, the chair seat connecting rod is placed in the sliding passage, and a plurality of gear position grooves used for matching with the positioner to position the chair seat connecting rod are axially arranged on the chair seat connecting rod. The telescopic positioning device of the footrest disclosed by the invention is simple in structure, easy to use, capable of conveniently and fast realizing telescopic positioning and adjustment, high in structural strength, strong in stability, highly practical and very suitable for popularization and application.

Description

A kind of telescopic positioning device of footrest rack
Technical field
The present invention relates to apparatus technical field of lying fallow, the telescopic positioning device of a kind of footrest rack.
Background technology
Seat is one of the most the most frequently used tool for taking rest, and for relieving fatigue, people usually can directly be sitting in and bend over the desk on chair and have a rest, and feel very ill sometimes, and the person the most instead can be had undesirable effect by resting guard the most improperly.Although the most also have devise various all kinds of office, at home, public Relaxing chair, such as chaise longue, rocking chair etc. help people to obtain comfortable good rest effect, but there is no any rest-assisting device, still can think that lower part of the body legs and feet put inconvenience, do not feel like oneself.nullA kind of leisure chaise longue with leg rest as disclosed in the patent document that Authorization Notice No. is CN 204218418 U,Including underframe,Underframe includes front Pin,It is provided with leg rest on Pin before described underframe,Described leg rest is supported by footrest and U-shaped leg rest and forms,Footrest mouth it is provided with on Pin body before underframe,The upper end of footrest is rotationally connected with the upper edge of footrest mouth,The back side at leg rest baffle plate,The lower end being positioned at leg rest baffle plate is provided with supporting baffle,The two ends that leg rest supports are rotationally connected with footrest,Leg rest supports the inner side being positioned at supporting baffle,When leg rest supports footrest,By supporting baffle, leg rest is supported location,This technical scheme discloses the device of leg rest,People freely can be put comfortable for legs and feet when rest,Just as having a rest in bed,Improve rest effect,But this foot rest device structure is simple and crude,Practical effect is the most bad.
Summary of the invention
The technical purpose of the present invention is to provide the telescopic positioning device of a kind of footrest rack, solves the leisure mechanism problem simple and crude, awkward of traditional Chinese chair.
The concrete technical scheme of the present invention is as follows: the telescopic positioning device of a kind of footrest rack, including chair seat board, also include being located at the seat support connecting rod bottom described chair seat board, for by described seat support connecting rod holding positioning sleeve bottom described chair seat board and the localizer be located on described positioning sleeve, slip path is formed between described positioning sleeve and described chair seat board, described seat support connecting rod is placed in described slip path, and described seat support connecting rod is axially arranged with multiple gear groove for making described seat support connecting rod position with described locators.
As preferably, described positioning sleeve includes main part and is connected to the connection branch of described main part, and described main part is provided with and the set junction of described seat support connecting rod slip laminating, and described connection branch is fixing with described chair seat board to be connected.
As preferably, described set junction is provided with the sliding contact pad for reducing the frictional resistance with described seat support connecting rod or pearl is sent in rolling.
As preferably, described positioning sleeve is provided with the through hole section that the axial face with described gear groove place is straight-through, described localizer includes the alignment pin of spring described in that be front and back arranged in order and cooperating head described in described gear groove matched in clearance cooperating head, apical grafting spring and apical grafting, and described alignment pin and described through hole section are fixed and by described cooperating head and described spring compression in described through hole section.
As preferably, before and after described cooperating head, described spring and described alignment pin, split is arranged or one connects successively.
As preferably, described through hole section is spirally connected fixing with described alignment pin.
As preferably, described gear groove edge is provided with guide surface out of supply.
As preferably, bottom described chair seat board, it is provided with the slideway coordinated with described seat support connecting rod.
The technological merit of the present invention is the telescopic positioning device simple in construction of described footrest rack, easy to use, it is possible to convenient realization flexible location regulation, and structural strength is higher, and stability is relatively strong, and high practicability is particularly suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structure front schematic view of the embodiment of the present invention;
Fig. 2 is the structured rear surface schematic diagram of the embodiment of the present invention;
The structural representation of localizer described in the embodiment of the present invention of Fig. 3 position;
Fig. 4 is the structural representation of limiting lock described in the embodiment of the present invention;
nullThe each toponym numbering correspondence in figure is respectively as follows: 1-seat support connecting rod,11-gear groove,12-guide surface out of supply,2-fixes bar,3-leg rest pedestal,31-turns down side bumper,32-gathering sill,Front installed by 33-callosity,The back side installed by 34-assembly,4-limiting lock,41-the first locking breach,The horizontal stop part of 411-first,The vertical stop part of 412-first,42-the second locking breach,The horizontal stop part of 421-second,The vertical stop part of 422-second,43-rotates one of cambered surface,44-rotates the two of cambered surface,The spacing actuating mechanism of 5-,51-gag lever post,511-stop part,52-replacement and fixation sheet,53-pull bar,54-back-moving spring,55-pull handle,6-positioning sleeve,61-main part,611-overlaps junction,62-connects branch,621-seat support fixing hole,63-through hole section,7-localizer,71-cooperating head,72-spring,73-alignment pin,8-chair seat board.
Detailed description of the invention
Below in conjunction with accompanying drawing, by specific embodiment, the invention will be further described:
See Fig. 1, Fig. 2, Fig. 3, a kind of leisure footrest rack for seat, including chair seat board 8, it is located at the seat support connecting rod 1 bottom chair seat board 8, for by seat support connecting rod 1 holding positioning sleeve 6 bottom chair seat board 8, the localizer 7 being located on positioning sleeve 6, the fixing bar 2 being connected in seat support connecting rod 1, it is connected to the leg rest pedestal 3 on fixing bar 2, the limiting lock 4 being fixedly connected on fixing bar 2 and the spacing actuating mechanism 5 being located on leg rest pedestal 3, slip path is formed between positioning sleeve 6 and chair seat board 8, seat support connecting rod 1 is placed in slip path, multiple gear groove 11 making seat support connecting rod 1 position for coordinating it is axially arranged with localizer 7 in seat support connecting rod 1;Positioning sleeve 6 includes main part 61 and is connected to the connection branch 62 of main part 61, and slip path is located on main part 61, and main part 61 is provided with the set junction 621 constituting slip path and fit with seat support connecting rod 1 slip, connects branch 62 and is provided with seat support fixing hole 621.Set junction 621 is provided with the sliding contact pad for reducing the frictional resistance with seat support connecting rod 1, pearl is sent to replace sliding contact pad to be also a kind of feasible program with rolling, i.e. be similar to bearing arrangement equally send pearl to be embedded in set junction 621 by rolling, in order to the seat support connecting rod 1 slip when flexible.The through hole section 63 that positioning sleeve 6 is provided with and the path that slides is straight-through, localizer 7 includes cooperating head 71, the spring 72 of apical grafting cooperating head 71 and the alignment pin 73 of apical grafting spring 72 being front and back arranged in order, alignment pin 73 is fixing with through hole section 63 and cooperating head 71 and spring 72 is pressed in through hole section 63, cooperating head 71 and gear groove 11 matched in clearance.Before and after cooperating head 71, spring 72 and alignment pin 73, split is arranged or one connects successively, and generally split is arranged.Through hole section 63 is spirally connected fixing with alignment pin 73.Gear groove 11 edge is provided with guide surface 12 out of supply.The slideway coordinated with seat support connecting rod 1 it is provided with bottom chair seat board 8.When localizer 7 works, alignment pin 73 position is fixed, cooperating head 71 contacts with seat support connecting rod 1, cooperating head 71 is exerted a force further by spring 72 for compressive state, during seat support connecting rod 1 telescopic adjustment, cooperating head 71 can slide in gear groove 11 to keep flexible location when not having External Force Acting, if pulling seat support connecting rod 1, makes cooperating head 71 misplace by force with gear groove 11, and guide surface 12 out of supply can guide cooperating head 71 to deviate from gear groove 11 more swimmingly.
The both sides of leg rest pedestal 3 are provided with and fix the turnover side bumper 31 that bar 2 is rotationally connected, and turnover side bumper 31 is provided with the gathering sill 32 moved for spacing actuating mechanism;Leg rest pedestal 3 have be between seat support connecting rod 1 storage station and with the use station extending seat support connecting rod 1 one end;Limiting lock 4 is provided with the first locking breach 41 being positioned at side and the second locking breach 42 being positioned at opposite side;Gathering sill 32 and spacing actuating mechanism 5 coordinate the first locking breach 41 to make leg rest pedestal 3 be in storage station such as Fig. 1, and gathering sill 32 and spacing actuating mechanism 5 coordinate the second locking breach 42 to make leg rest pedestal 3 be in use station such as Fig. 2.Leg rest pedestal 3 includes that front 33 installed by callosity and the back side 34 installed by assembly, and turnover side bumper 31 is installed direction, the back side 34 towards assembly and vertically turned down, and spacing actuating mechanism 5 is located at assembly and is installed the back side 34.
Spacing actuating mechanism 5 includes the gag lever post 51 inserting in gathering sill 32 in two ends, be located on leg rest pedestal 3 at least one pair of replacement and fixation sheet 52 and be fixedly connected on gag lever post 51 and the pull bar 53 through replacement and fixation sheet 52, limit the back-moving spring 54 that actuating mechanism 5 also includes being placed on pull bar 53 and between replacement and fixation sheet 52, one end of gag lever post 51 is provided with the stop part 511 to patch back-moving spring 54, stop part 511 can be the ring plate on gag lever post 51, stop part 511 is for pressed home spring 54 after gag lever post 51 pulls, then is stretched return by back-moving spring 54.Pull bar 53 is also associated with pull handle 55.By pulling pull bar 53 to regulate gag lever post 51 position, then drive circumferentially rotating of whole footrest rack 3.Limiting lock 4 can be sheet shaped piece, itself is weldingly fixed on fixing bar 2.Referring back to Fig. 4, one of rotation cambered surface with fixing bar 2 as rotating shaft limiting lock 4 being additionally provided with between the first locking breach 41 and the second locking breach 42 43 and rotate the 2 44 of cambered surface;Rotate one of cambered surface 43 and rotate the 2 44 of cambered surface relative to the radius of fixing bar 2 more than gathering sill 32 relative to the minimum rotation radius of fixing bar 2 less than gathering sill 32 relative to the maximum rotating radius of fixing bar 2, so design allows for gag lever post 51 and can be stuck in the first locking breach 41 or the second locking breach 42, and can by pull pull bar 53 to make gag lever post 51 can depart from again the first locking breach 41 or the second locking breach 42 and along rotating one of cambered surface 43 or rotating the 2 44 of cambered surface and carry out freely circumferentially rotating.First locking breach 41 is provided with the first horizontal stop part 411 and the first vertical stop part 412 for coordinating spacing actuating mechanism 5 to prevent leg rest pedestal 3 from rotating, second locking breach 42 is provided with the second horizontal stop part 421 and the second vertical stop part 422 for coordinating spacing actuating mechanism 5 to prevent leg rest pedestal 3 from rotating, these stop parts are all used to stop gag lever post 51, thus control the rotation of footrest rack 3.First horizontal stop part 411 and the second horizontal stop part 421 are provided with anti-slip concave surface;First horizontal stop part 411 and the second horizontal stop part 421 are provided with anti-slip stop end.These anti-slip designs prevent whole footrest rack 3 from affecting use owing to external force undesirably falls off stationary state, it is simple to realize human controllable by manpower.

Claims (7)

1. the telescopic positioning device of a footrest rack, it is characterized in that: include seat support connecting rod (1), the positioning sleeve (6) fixing described seat support connecting rod (1) for holding and the localizer (7) being located on described positioning sleeve (6), described positioning sleeve (6) is provided with the slip path of accommodating described seat support connecting rod (1), and described seat support connecting rod (1) is axially arranged with multiple gear groove (11) making described seat support connecting rod (1) position for coordinating with described localizer (7).
The telescopic positioning device of a kind of footrest rack the most according to claim 1, it is characterized in that: described positioning sleeve (6) includes main part (61) and is connected to the connection branch (62) of described main part (61), described slip path is located on described main part (61), described main part (61) is provided with the set junction (611) constituting described slip path and fit with the slip of described seat support connecting rod (1), and described connection branch (62) is provided with seat support fixing hole (621).
The telescopic positioning device of a kind of footrest rack the most according to claim 2, it is characterised in that: described set junction (621) is provided with the sliding contact pad for reducing the frictional resistance with described seat support connecting rod (1) or pearl is sent in rolling.
4. according to the telescopic positioning device of a kind of footrest rack described in claim 1 or 2 or 3, it is characterized in that: described positioning sleeve (6) is provided with the through hole section (63) straight-through with described slip path, described localizer (7) includes the cooperating head (71) being front and back arranged in order, the alignment pin (73) of spring (72) described in the spring (72) of cooperating head described in apical grafting (71) and apical grafting, described alignment pin (73) is fixing with described through hole section (63) and described cooperating head (71) and described spring (72) is pressed in described through hole section (63), described cooperating head (71) and described gear groove (11) matched in clearance.
The telescopic positioning device of a kind of footrest rack the most according to claim 4, it is characterised in that: before and after described cooperating head (71), described spring (72) and described alignment pin (73), split is arranged or one connects successively.
The telescopic positioning device of a kind of footrest rack the most according to claim 4, it is characterised in that: described through hole section (63) is spirally connected fixing with described alignment pin (73).
The telescopic positioning device of a kind of footrest rack the most according to claim 4, it is characterised in that: described gear groove (11) edge is provided with guide surface out of supply (12).
CN201610351024.0A 2016-05-25 2016-05-25 Telescopic positioning device of footrest Pending CN105832038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610351024.0A CN105832038A (en) 2016-05-25 2016-05-25 Telescopic positioning device of footrest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610351024.0A CN105832038A (en) 2016-05-25 2016-05-25 Telescopic positioning device of footrest

Publications (1)

Publication Number Publication Date
CN105832038A true CN105832038A (en) 2016-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610351024.0A Pending CN105832038A (en) 2016-05-25 2016-05-25 Telescopic positioning device of footrest

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111150249A (en) * 2019-12-06 2020-05-15 恒林家居股份有限公司 Office leisure chair

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270796A (en) * 1979-06-12 1981-06-02 Preston William B Reclining chair with leg rest operating mechanism
US4506925A (en) * 1983-01-05 1985-03-26 Leggett & Platt, Incorporated Footrest mechanism for a reclining chair
US6619748B1 (en) * 2002-08-13 2003-09-16 Shin Yeh Enterprise Co., Ltd. Chair having a crank mechanism for moving a footrest between extended and retracted positions relative to a seat
CN203172816U (en) * 2013-01-21 2013-09-04 阳爱忠 Bicycle saddle lifting device
CN204025893U (en) * 2014-07-08 2014-12-17 淮安市三联液压科技有限公司 A kind of Novel steel ball normal valve
CN204032824U (en) * 2014-07-18 2014-12-24 安吉宏峰气弹簧科技有限公司 A kind of footrest rack being applicable to chair
CN204146673U (en) * 2014-08-15 2015-02-11 浙江恒林椅业股份有限公司 A kind of rota-cline seat with flexible heel brace

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270796A (en) * 1979-06-12 1981-06-02 Preston William B Reclining chair with leg rest operating mechanism
US4506925A (en) * 1983-01-05 1985-03-26 Leggett & Platt, Incorporated Footrest mechanism for a reclining chair
US6619748B1 (en) * 2002-08-13 2003-09-16 Shin Yeh Enterprise Co., Ltd. Chair having a crank mechanism for moving a footrest between extended and retracted positions relative to a seat
CN203172816U (en) * 2013-01-21 2013-09-04 阳爱忠 Bicycle saddle lifting device
CN204025893U (en) * 2014-07-08 2014-12-17 淮安市三联液压科技有限公司 A kind of Novel steel ball normal valve
CN204032824U (en) * 2014-07-18 2014-12-24 安吉宏峰气弹簧科技有限公司 A kind of footrest rack being applicable to chair
CN204146673U (en) * 2014-08-15 2015-02-11 浙江恒林椅业股份有限公司 A kind of rota-cline seat with flexible heel brace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111150249A (en) * 2019-12-06 2020-05-15 恒林家居股份有限公司 Office leisure chair

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Application publication date: 20160810

RJ01 Rejection of invention patent application after publication