CN201577844U - Foldable backrest chair - Google Patents

Foldable backrest chair Download PDF

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Publication number
CN201577844U
CN201577844U CN200920202345XU CN200920202345U CN201577844U CN 201577844 U CN201577844 U CN 201577844U CN 200920202345X U CN200920202345X U CN 200920202345XU CN 200920202345 U CN200920202345 U CN 200920202345U CN 201577844 U CN201577844 U CN 201577844U
Authority
CN
China
Prior art keywords
chair
leg
backrest
seat board
pair
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
CN200920202345XU
Other languages
Chinese (zh)
Inventor
潘安芳
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.)
HUZHOU WUXING BAFANG BOILER FACTORY
Original Assignee
HUZHOU WUXING BAFANG BOILER FACTORY
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 HUZHOU WUXING BAFANG BOILER FACTORY filed Critical HUZHOU WUXING BAFANG BOILER FACTORY
Priority to CN200920202345XU priority Critical patent/CN201577844U/en
Application granted granted Critical
Publication of CN201577844U publication Critical patent/CN201577844U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A foldable backrest chair comprises a seat plate, a pair of rear chair legs, a pair of front chair legs and a backrest. The rear side of the seat plate is hinged with the lower end of the backrest via a hinging part, upper ends of the two rear chair legs are respectively hinged with two front side bottoms of the seat plate while lower ends extend to the rear lower side of the seat plate to be grounded, upper ends of the two front chair legs are respectively hinged with two rear side bottoms of the seat plate while lower ends extend to the front lower side of the seat plate to be grounded, and the pair of rear chair legs and the pair of front chair legs are positioned and fixed via movable lock catches. As folding positioning structures of the chair legs utilize the lock catch structures to replace traditional hinging structures, the foldable backrest chair is simpler in structure and more convenient and reliable in folding and unfolding and the chair legs are uniform in stress and assist users to seat stably.

Description

A kind of folding back chair
Technical field
The utility model relates to the chair class of field of furniture, particularly a kind of folding seat.
Background technology
In order to make chair when not using, reduce space occupancy, so that collect, transport or carry, the folding seat that has occurred a lot of different structures on the market, the some of them folding seat realizes folding at its front and back midleg or upper end with articulated structure, this hinged place becomes main stress point and is easy to be worn, and influences the service life of this folding seat; Also have some folding seat to be hinged with bracing frame and link jointly in the back rest bottom, wherein bracing frame is hinged on the foreleg, link is hinged on the back leg bottom, when launching, the back rest lower end is supported on the back leg, and preceding back leg discontinuity is used and surely leaned on inadequately, and its back leg damages easily, folding back length height.
Summary of the invention
The purpose of this utility model, provide a kind of folding, stretch easyly, launch to use and surely lean on, the folding back chair that folding back is regular, compact, volume is little.
The technical solution that realizes above-mentioned purpose is: it comprises seat board, a pair of back leg, a pair of preceding chair leg and backrest, described seat board rear side and backrest bottom are hinged with articulated elements, article two, the upper end of back leg respectively with bottom, two front sides of seat board is hinged, seat board is stretched in the lower end back downside ground connection, article two, the upper end of preceding chair leg respectively with the preceding downside ground connection that two bottom rear are hinged, seat board is stretched in the lower end of seat board, a pair of back leg with a pair of before between the chair leg with movable snap close piece positioning and fixing mutually.
The articulated elements of described seat board rear side and backrest bottom is a pivot structure spare, its pivotal block is installed on seat board rear side close end place respectively, the two ends that are installed on the pivot on the pivotal block are connected with the both sides shelves bar of backrest respectively, and when backrest is erect, shelves bar bottom, backrest both sides is rested on the trailing flank of seat board.
Movable snap close piece between described a pair of back leg and a pair of preceding chair leg is to constitute with the snap close seats that are provided with the locking bar chute that are installed on two preceding chair inboard leg middle parts respectively by being installed on two locking bars between the back leg middle inside, and the opening of the locking bar chute of described snap close seat is towards chair the place ahead.
The bottom of described back leg and preceding chair leg all bends and is vertical configuration ground connection.
Described each chair leg bottom is equipped with castor.
The beneficial effects of the utility model are: the folding location structure of chair leg adopts buckle structure, has substituted traditional articulated structure, and structure is simpler, and is folding, to stretch more convenient operation reliable, and makes each chair leg stressed evenly, sits with also more steady leaning on.
Description of drawings
Fig. 1 is that the utility model launches the user mode structural representation;
Fig. 2 is the right TV structure schematic diagram of Fig. 1;
Fig. 3 is the utility model folded state structural representation;
The specific embodiment
The utility model is described in further detail with embodiment below in conjunction with accompanying drawing.
The folding back chair of present embodiment is made up of seat board 1, a pair of back leg 2, a pair of preceding chair leg 3 and backrest 9.The bottom, two front sides and two bottom rear of described seat board 1 are fixed with hinged seat 7 respectively, the upper end of a pair of back leg 2 respectively with the back downside ground connection that hinged seat 7 is hinged, seat board is stretched in the lower end of bottom, two front sides of seat board 1, the upper end of two preceding chair legs 3 respectively with the preceding downside ground connection that hinged seat 7 is hinged, seat board is stretched in the lower end of two bottom rear of seat board 1.In order to make chair leg ground connection more steady and sit and to lean on more steady, present embodiment all bends the bottom of back leg 2 and preceding chair leg 3 and is vertical configuration ground connection.For chair can easily be moved in use, present embodiment is equipped with castor 4 in each chair leg bottom.And the preceding back leg detent mechanism employing activity snap close piece when launching to use, this activity snap close piece is to constitute with the snap close seat 5 that is provided with locking bar chute 8 that is installed on two preceding chair leg 3 middle inside respectively by being installed on two locking bars 6 between back leg 2 middle inside, and the opening of the locking bar chute 8 of described snap close seat 5 is towards chair the place ahead.Foldable structure between this seat board 1 and the backrest 9 adopts articulated elements, this articulated elements is a pivot structure spare, its pivotal block 11 is installed on seat board 1 rear side close end place respectively, the two ends that are installed on the pivot 10 on the pivotal block 11 are connected with the shelves bar bottom, both sides of backrest 9 respectively, and when backrest is erect, shelves bar bottom, backrest both sides is rested on the trailing flank of seat board 1.
This chair is when launching normal the use, and the locking bar 6 between two back leg 2 middle inside buckles in the locking bar chute 8 of snap close seat 5 of two preceding chair leg 3 middle inside, and preceding back leg is a position and lock, sits with surely leaning on.When chair need be collected when folding, the operator can stand on chair behind, both feet support a pair of back leg that stops chair, both hands buttress and push away before backrest 9 is gently carried simultaneously, promptly the slip away locking bar chute 8 of two preceding chair leg 3 middle inside snap close seats 5 of locking bar 6 between this moment two back leg 2 middle inside, seat board 1 descends immediately to bumping until its bottom surface and each chair leg upper side plane and connects, and turns down backrest 9 then it is covered on the seat board 1, promptly finishes folding.Chair side after folding is whole, compact, volume is little, is convenient to collection and transportation.

Claims (5)

1. folding back chair, comprise seat board (1), a pair of back leg (2), a pair of preceding chair leg (3) and backrest (9), it is characterized in that seat board (1) rear side and backrest (9) bottom are hinged, article two, the upper end of back leg (2) respectively with bottom, two front sides of seat board (1) is hinged, seat board is stretched in the lower end (1) back downside ground connection, article two, the upper end of preceding chair leg (3) respectively with the preceding downside ground connection that two bottom rear are hinged, seat board is stretched in the lower end (1) of seat board (1), a pair of back leg (2) with a pair of before between the chair leg (3) with movable snap close piece positioning and fixing mutually.
2. a kind of folding back chair according to claim 1, it is characterized in that: the articulated elements of described seat board (1) rear side and backrest (9) bottom is a pivot structure spare, its pivotal block (11) is installed on seat board (1) rear side close end place respectively, the two ends that are installed on the pivot (10) on the pivotal block (11) are connected with the both sides shelves bar of backrest (9) respectively, and when backrest (9) is erect, shelves bar bottom, backrest both sides is rested on the trailing flank of seat board (1).
3. a kind of folding back chair according to claim 1, it is characterized in that the movable snap close piece between described a pair of back leg (2) and a pair of preceding chair leg (3) is to be made of with the snap close seat (5) that is provided with locking bar chute (8) that is installed on two preceding chair legs (3) middle inside respectively the locking bar (6) that is installed between two back legs (2) middle inside, the opening of the locking bar chute (8) of described snap close seat (5) is towards chair the place ahead.
4. according to claim 1 or 2 or 3 described a kind of folding back chairs, the bottom that it is characterized in that described back leg (2) and preceding chair leg (3) all bends and is vertical configuration ground connection.
5. a kind of folding back chair according to claim 4 is characterized in that each chair leg bottom is equipped with castor (4).
CN200920202345XU 2009-12-12 2009-12-12 Foldable backrest chair Expired - Fee Related CN201577844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920202345XU CN201577844U (en) 2009-12-12 2009-12-12 Foldable backrest chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920202345XU CN201577844U (en) 2009-12-12 2009-12-12 Foldable backrest chair

Publications (1)

Publication Number Publication Date
CN201577844U true CN201577844U (en) 2010-09-15

Family

ID=42719836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920202345XU Expired - Fee Related CN201577844U (en) 2009-12-12 2009-12-12 Foldable backrest chair

Country Status (1)

Country Link
CN (1) CN201577844U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103239043A (en) * 2013-04-19 2013-08-14 李玉生 Folding chair
CN111772342A (en) * 2020-08-31 2020-10-16 宏源家具(江西)有限公司 Student chair convenient for outdoor use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103239043A (en) * 2013-04-19 2013-08-14 李玉生 Folding chair
CN111772342A (en) * 2020-08-31 2020-10-16 宏源家具(江西)有限公司 Student chair convenient for outdoor use

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100915

Termination date: 20121212

C17 Cessation of patent right