CN212325907U - Folding chair - Google Patents

Folding chair Download PDF

Info

Publication number
CN212325907U
CN212325907U CN202020867362.1U CN202020867362U CN212325907U CN 212325907 U CN212325907 U CN 212325907U CN 202020867362 U CN202020867362 U CN 202020867362U CN 212325907 U CN212325907 U CN 212325907U
Authority
CN
China
Prior art keywords
chair frame
folding
chair
folding mechanism
hinged
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.)
Active
Application number
CN202020867362.1U
Other languages
Chinese (zh)
Inventor
朱江
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.)
Yongkang Tianye Industry And Trade Co ltd
Original Assignee
Yongkang Tianye Industry And Trade 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 Yongkang Tianye Industry And Trade Co ltd filed Critical Yongkang Tianye Industry And Trade Co ltd
Priority to CN202020867362.1U priority Critical patent/CN212325907U/en
Application granted granted Critical
Publication of CN212325907U publication Critical patent/CN212325907U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a folding chair, which comprises a chair surface and a folding chair frame, wherein the folding chair frame comprises a left chair frame and a right chair frame which are arranged in a bilateral symmetry way, the left chair frame and the right chair frame both comprise back rod units, the folding chair frame also comprises a left folding mechanism and a right folding mechanism which are arranged in a bilateral symmetry way and a lifting part, the left folding mechanism and the right folding mechanism both comprise an upper pull rod and a lower pull rod, the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the two sides of the upper end of the lifting part, the outer ends of the upper pull rods of the left folding mechanism and, the back bar unit of the right chair frame is hinged, the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the two sides of the lower end of the lifting part, the outer ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively connected with the back bar units of the left chair frame and the right chair frame in a sliding manner, and the lifting part moves up and down to drive the left chair frame and the right chair frame to be relatively close to each other to be in a folding state or relatively far away to be in an unfolding state through the left. The utility model discloses folding chair has folding simple and convenient and expand advantages such as stable in structure, safe and reliable when using.

Description

Folding chair
Technical Field
The utility model belongs to the technical field of the chair and specifically relates to a folding chair is related to.
Background
The folding chair is portable in structure, can be stacked, is convenient to move and store, and is popular with people. Although the existing folding chairs are various, the folding chairs mostly adopt a front-back direction folding structure, and cannot be folded in the left-right direction to further reduce the space.
In order to solve the problem of folding of the folding chair in the left and right directions, the chinese utility model patent CN104856487B discloses a foldable chair frame, a folding structure composed of a parallel four-bar parallel mechanism is arranged between the left and right back bars of the chair frame, and the folding or unfolding of the chair frame in the left and right directions is realized by the up-and-down movement of the middle linkage bar of the parallel four-bar parallel mechanism during use. This chair frame is because all kinematic pairs of parallelogram linkage are the revolute pair that is formed by hinge structure, so there is the uncertain drawback of motion, and the middle gangbar removes slightly and will lead to the folding or the expansion of chair frame in the left and right sides orientation, and this kind of uncertain factor leads to the stability of chair frame when expanding the use relatively poor, easily because of the person's of taking hard or mistake touching and arouse the phenomenon of collapsing to there is the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a folding chair which is simple and convenient to fold, has stable structure when unfolded for use, and is safe and reliable.
The purpose of the utility model is realized through the following technical scheme:
a folding chair comprises a chair surface and a folding chair frame, wherein the folding chair frame comprises a left chair frame and a right chair frame which are arranged in a bilateral symmetry way, the left chair frame and the right chair frame both comprise back rod units, the folding chair frame also comprises a left folding mechanism and a right folding mechanism which are arranged in a bilateral symmetry way and a lifting part, the left folding mechanism and the right folding mechanism both comprise an upper pull rod and a lower pull rod, the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the two sides of the upper end of the lifting part, the outer ends of the upper pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the back rod units of the left chair frame and the right chair frame, the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the two sides of the lower end of the lifting part, the outer ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively connected with the back rod units of the left chair frame and the right chair frame in a sliding way, the lifting part moves up and down and drives the left chair frame and the right chair frame to be relatively close to each other through the left folding mechanism and the right folding mechanism to be in a folded state or to be relatively far away from each other to be in an unfolded state.
Further, when the left and right chair frames are in the unfolding state, the upper pull rods of the left and right folding mechanisms are of inclined rod structures with high outside and low inside, the lower pull rods of the left and right folding mechanisms are of inclined rod structures with high inside and low outside, and the included angle between the upper pull rods of the left and right folding mechanisms is larger than the included angle between the lower pull rods of the left and right folding mechanisms.
Furthermore, the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides of the upper end of the lifting part as well as the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides of the lower end of the lifting part are symmetrically arranged by taking the vertical central line of the lifting part as a center, and the distance between the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides of the upper end of the lifting part is wider than the distance between the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides.
Furthermore, the middle of the lifting part is provided with a hand holding hole, and the upper end of the lifting part is provided with an arc-shaped grab handle which is concave to the hand holding hole.
Furthermore, the back bar units of the left and right chair frames respectively comprise back bars and slide bars fixedly connected to the rear sides of the lower parts of the back bars, the outer ends of the upper pull bars of the left and right folding mechanisms are respectively hinged to the upper ends of the slide bars of the corresponding back bar units, and the outer ends of the lower pull bars of the left and right folding mechanisms are respectively in sliding connection with the lower parts of the slide bars of the corresponding back bar units.
Furthermore, the outer ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with a first sliding sleeve, and the first sliding sleeves are respectively sleeved in the lower parts of the sliding rods of the corresponding back rod units and are in sliding connection with the lower parts of the sliding rods.
Furthermore, the back bar units of the left and right chair frames further comprise an upper slide bar fixing seat and a lower slide bar fixing seat, and in the back bar unit of each chair frame, the slide bars are fixedly connected to the rear side of the lower part of the back bar through the upper slide bar fixing seat and the lower slide bar fixing seat.
Furthermore, left and right chair frame still all includes preceding landing leg, back landing leg and seatpost, the seatpost rear end of left and right chair frame respectively with the back of the body pole lower extreme of left and right chair frame is articulated, the preceding landing leg of left and right chair frame and back landing leg upper end all draw close each other and respectively through a hinge pin axle articulated together, the setting is all kept away from each other to the preceding landing leg and the back landing leg lower extreme of left and right chair frame, the preceding landing leg upper end of left and right chair frame respectively with the seatpost front portion of left and right chair frame is articulated, the seatpost rear end of left and right chair frame still articulates respectively has a second sliding sleeve, the second sliding sleeve respectively in the back landing leg upper portion of left and right chair frame, and, the back landing leg upper portion of left and right chair frame still is equipped with respectively and is located second sliding sleeve upside and backstop complex spacing backstop round pin with it.
Further, left and right chair frame still all includes the handrail, the handrail rear end of left and right chair frame respectively with the back of the body pole middle and lower part of left and right chair frame is articulated, the handrail front end of left and right chair frame is equipped with a gear board respectively, all is equipped with on each gear board along its fore-and-aft direction interval distribution's two at least spacing grooves and the spout that communicates each spacing groove, the preceding landing leg of left and right chair frame and the articulated round pin axle of back landing leg penetrate respectively in the spout that corresponds on the gear board and can remove and block into arbitrary spacing inslot in this spout.
Furthermore, the left chair frame and the right chair frame both comprise telescopic rods, the lower ends of the telescopic rods of the left chair frame and the right chair frame are respectively hinged with the lower ends of the front support legs of the left chair frame and the right chair frame, and the upper ends of the telescopic rods of the left chair frame and the right chair frame are respectively hinged with the front ends of the seat rods of the left chair frame and the right chair frame; the folding chair frame further comprises a first cross rod and a second cross rod which are arranged in a crossed mode and hinged with each other, the upper ends of the first cross rod and the second cross rod are hinged with the upper ends of the telescopic rods of the left chair frame and the right chair frame respectively, and the lower ends of the first cross rod and the second cross rod are hinged with the lower ends of the telescopic rods of the left chair frame and the right chair frame respectively; the seat surface is sleeved on the seat rod and the back rod of the left and right chair frames.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses among the beta structure, the outer end of going up the pull rod about with about the back of the body pole unit of chair frame articulated, the outer end of controlling the lower link and the back of the body pole unit sliding connection of controlling the chair frame, thereby the uncertain drawback of motion that exists when all kinematic pairs of beta structure are the revolute pair among the prior art has been changed, when the folding chair is in the state of expanding, the user only lifts the back of drawing portion applying certain dynamics, just can make about the chair frame begin to accomodate foldingly, thereby the stability of folding chair when expanding the use has been improved, security and reliability in the use have been ensured. Meanwhile, the sliding connection structure at the outer ends of the left lower rod and the right lower rod enables the folding and the storage of the folding chair to be more convenient and reliable.
Drawings
Fig. 1 is a schematic left-front perspective view of a folding chair of the present invention.
Fig. 2 is a schematic left front perspective view of the folding chair frame of the present invention.
Fig. 3 is a rear view of the foldable chair frame of the present invention.
Fig. 4 is a schematic diagram of a right rear perspective structure of the folding chair frame of the present invention.
Fig. 5 is a left side view of the foldable chair frame of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
As shown in FIGS. 1 to 5, the embodiment of the present invention provides a folding chair, which comprises a seat 1 and a folding chair frame 2, wherein the folding chair frame 2 comprises left and right chair frames 3, 4 arranged in bilateral symmetry, the left and right chair frames 3, 4 comprise back rod units 31, 41, the folding chair frame 2 further comprises left and right folding mechanisms 5, 6 and a lifting part 7 arranged in bilateral symmetry, the left and right folding mechanisms 5, 6 comprise upper pull rods 51, 61 and lower pull rods 52, 62, the inner ends of the upper pull rods 51, 61 of the left and right folding mechanisms 5, 6 are respectively hinged with the two sides of the upper end of the lifting part 7, the outer ends of the upper pull rods 51, 61 of the left and right folding mechanisms 5, 6 are respectively hinged with the back rod units 31, 41 of the left and right chair frames 3, 4, the inner ends of the lower pull rods 52, 62 of the left and right folding mechanisms 5, 6 are respectively hinged with the two sides of the lower end of the lifting part 7, and the lower pull rods 52, 6 of the left and right folding mechanisms 5, 6, The outer ends of the lifting parts 62 are respectively connected with the back rod units 31 and 41 of the left and right chair frames 3 and 4 in a sliding way, and the lifting parts 7 move up and down to drive the left and right chair frames 3 and 4 to relatively approach to be in a folding state or relatively leave to be in an unfolding state through the left and right folding mechanisms 5 and 6.
In this embodiment, when the left and right chair frames 3, 4 are in the unfolded state, the upper pull rods 51, 61 of the left and right folding mechanisms 5, 6 are in the inclined rod structure with the upper part higher than the lower part, the lower pull rods 52, 62 of the left and right folding mechanisms 5, 6 are in the inclined rod structure with the upper part higher than the lower part, and the included angle a between the upper pull rods 51, 61 of the left and right folding mechanisms 5, 6 is larger than the included angle b between the lower pull rods 52, 62 of the left and right folding mechanisms 5, 6. Preferably, the included angle a between the upper pull rods 51 and 61 of the left and right folding mechanisms 5 and 6 is 1.5 to 1.8 times the included angle b between the lower pull rods 52 and 62 of the left and right folding mechanisms 5 and 6. Or specifically, the included angle a between the upper pull rods 51 and 61 of the left and right folding mechanisms 5 and 6 is 150 to 170 degrees, and the included angle b between the lower pull rods 52 and 62 of the left and right folding mechanisms 5 and 6 is 80 to 110 degrees.
As described above, the upper pull rods 51, 61 are inclined rod structures with high outside and low inside when the folding chair is in the unfolded state, which can effectively improve the stability of the folding chair in use, specifically, when the lifting part 7 is lifted upwards, on one hand, the lifting force must be larger than the resistance force of the left and right chair frames 3, 4 acting on the lifting part 7 through the corresponding upper pull rods 51, 61, on the other hand, after the lifting part 7 links the left and right upper pull rods 51, 61 to form the same straight line, the left and right chair frames 3, 4 start to be folded, so that the structure of the folding chair in the unfolded state is firmer and more stable.
In this embodiment, the inner ends of the upper rods 51, 61 of the left and right folding mechanisms 5, 6 and the hinge shafts 510, 610 on both sides of the upper end of the lifting portion 7, and the inner ends of the lower rods 52, 62 of the left and right folding mechanisms 5, 6 and the hinge shafts 520, 620 on both sides of the lower end of the lifting portion 7 are symmetrically disposed with the vertical center line of the lifting portion 7 as the center, and the distance between the inner ends of the upper rods 51, 61 of the left and right folding mechanisms 5, 6 and the hinge shafts 510, 610 on both sides of the upper end of the lifting portion 7 is wider than the distance between the inner ends of the lower rods 52, 62 of the left and right folding mechanisms 5, 6 and the hinge shafts 520, 620 on both sides of the.
In this embodiment, for convenience of operation, a holding hole 71 is formed in the middle of the lifting part 7, and an arc-shaped handle 72 recessed into the holding hole 71 is formed at the upper end of the lifting part 7.
In this embodiment, each of the back bar units 31, 41 of the left and right chair frames 3, 4 includes a back bar 311, 411 and a sliding bar 312, 412 fixedly connected to the rear side of the lower portion of the back bar 311, 411, the outer ends of the upper pull bars 51, 61 of the left and right folding mechanisms 5, 6 are respectively hinged to the upper ends of the sliding bars 312, 412 of the corresponding back bar units 31, 41, and the outer ends of the lower pull bars 52, 62 of the left and right folding mechanisms 5, 6 are respectively slidably connected to the lower portions of the sliding bars 312, 412 of the corresponding back bar units 31, 41.
Furthermore, the outer ends of the lower pull rods 52, 62 of the left and right folding mechanisms 5, 6 are respectively hinged with a first sliding sleeve 521, 621, and the first sliding sleeve 521, 621 is respectively sleeved in and slidably connected with the lower portions of the sliding rods 312, 412 of the corresponding back rod units 31, 41.
Furthermore, the back bar units 31, 41 of the left and right frames 3, 4 each further include an upper and a lower two slide bar holders 800, 900, and in the back bar units 31, 41 of the respective frames 3, 4, the slide bars 312, 412 are fixedly connected to the lower rear sides of the back bars 311, 411 through the upper and the lower two slide bar holders 800, 900.
In this embodiment, the left and right chair frames 3, 4 further include: front legs 32, 42, rear legs 33, 43 and seatpost 34, 44. The rear ends of the seat posts 34, 44 of the left and right chair frames 3, 4 are hinged with the lower ends of the back posts 311, 411 of the left and right chair frames 3, 4, respectively, the upper ends of the front legs 32, 42 and the rear legs 33, 43 of the left and right chair frames 3, 4 are close to each other and hinged together through a hinge pin 300, 400, respectively, the lower ends of the front legs 32, 42 and the rear legs 33, 43 of the left and right chair frames 3, 4 are far away from each other, the upper ends of the front legs 32, 42 of the left and right chair frames 3, 4 are hinged with the front portions of the seat posts 34, 44 of the left and right chair frames 3, 4, respectively, the rear ends of the seat posts 34, 44 of the left and right chair frames 3, 4 are hinged with second sliding sleeves 341, 441, respectively, the second sliding sleeves 341, 441 are slidably sleeved on the upper portions of the rear legs 33, 43 of the left and right chair frames 3, 4, respectively, and the upper portions of the rear legs 33, 43 of the left and right chair frames 3, 4 are provided with stop pins 331, which are located on the upper sides of the second sliding, 431.
Furthermore, the left and right chair frames 3, 4 also include armrests 35, 45, the rear ends of the armrests 35, 45 of the left and right chair frames 3, 4 are hinged with the middle-lower parts of the back rods 311, 411 of the left and right chair frames 3, 4, respectively, the front ends of the armrests 35, 45 of the left and right chair frames 3, 4 are provided with a gear plate 351, 451, each gear plate 351, 451 is provided with at least two limit grooves 3511, 4511 distributed at intervals along the front-back direction thereof and sliding grooves 3512, 4512 communicating with the limit grooves 3511, 4511, respectively, the hinge pin shafts 300, 400 of the front legs 32, 42 and the rear legs 33, 43 of the left and right chair frames 3, 4 penetrate into the sliding grooves 3512, 4512 on the corresponding gear plates 351, 451, respectively, and can move in the sliding grooves 3512, 4512 and can be clamped into any limit grooves 3511, 4511. When the foldable chair is used, the hinge pin shafts 300 and 400 are clamped into different limiting grooves 3511 and 4511, so that the inclination angles of the back rod units 31 and 41 in the left and right chair frames 3 and 4 can be changed, and the angle of the backrest of the foldable chair can be adjusted.
Furthermore, the left and right chair frames 3, 4 also comprise telescopic rods 36, 46, the lower ends of the telescopic rods 36, 46 of the left and right chair frames 3, 4 are respectively hinged with the lower ends of the front legs 32, 42 of the left and right chair frames 3, 4, and the upper ends of the telescopic rods 36, 46 of the left and right chair frames 3, 4 are respectively hinged with the front ends of the seat rods 34, 44 of the left and right chair frames 3, 4; the folding chair frame also comprises a first cross rod 8 and a second cross rod 9 which are arranged in a crossed manner and are mutually hinged, the upper ends of the first cross rod 8 and the second cross rod 9 are respectively hinged with the upper ends of the telescopic rods 36 and 46 of the left chair frame 3 and the right chair frame 4, and the lower ends of the first cross rod 8 and the second cross rod 9 are respectively hinged with the lower ends of the telescopic rods 36 and 46 of the left chair frame 3 and the right chair frame 4; the seat surface 1 is sleeved on the seat rods 34, 44 and the back rods 311, 411 of the left and right chair frames 3, 4.
As described above, when the folding chair of the present invention is folded, the user applies a certain force to pull the lifting portion 7 upward and overcomes the resistance of the upper and lower pull rods 51, 61 and 52, 62 to the lifting portion 7 in the left and right folding mechanisms 5, 6, so that the outer ends of the upper pull rods 51, 61 can rotate toward the lower direction of the inner ends and the outer ends of the lower pull rods 52, 62 can slide upward along the slide rods 312, 412, and then the left and right chair frames 3, 4 are driven to approach each other relatively to realize folding.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims (10)

1. The utility model provides a folding chair, includes seat and folding chair frame, left and right chair frame that folding chair frame set up including bilateral symmetry, left and right chair frame all includes back of the body pole unit, its characterized in that: the foldable chair frame further comprises a left folding mechanism, a right folding mechanism and a lifting part which are arranged in a bilateral symmetry mode, the left folding mechanism and the right folding mechanism respectively comprise an upper pull rod and a lower pull rod, the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the two sides of the upper end of the lifting part, the outer ends of the upper pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with back rod units of the left chair frame and the right chair frame, the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively hinged with the two sides of the lower end of the lifting part, the outer ends of the lower pull rods of the left folding mechanism and the right folding mechanism are respectively in sliding connection with the back rod units of the left chair frame and the right chair frame, and the upper portion and the lower portion of the lifting part move.
2. The folding chair as claimed in claim 1, wherein: when the left and right chair frames are in the unfolding state, the upper pull rods of the left and right folding mechanisms are of an inclined rod structure with a high outside and a low inside, the lower pull rods of the left and right folding mechanisms are of an inclined rod structure with a high inside and a low outside, and the included angle between the upper pull rods of the left and right folding mechanisms is larger than the included angle between the lower pull rods of the left and right folding mechanisms.
3. The folding chair as claimed in claim 1, wherein: the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides of the upper end of the lifting part as well as the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides of the lower end of the lifting part are symmetrically arranged by taking the vertical central line of the lifting part as a center, and the distance between the inner ends of the upper pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on two sides of the upper end of the lifting part is wider than the distance between the inner ends of the lower pull rods of the left folding mechanism and the right folding mechanism and the hinged shafts on.
4. The folding chair as claimed in claim 1, wherein: the middle of the lifting part is provided with a holding hole, and the upper end of the lifting part is provided with an arc-shaped grab handle which is concave to the holding hole.
5. A folding chair as claimed in claim 1, 2, 3 or 4, wherein: the back bar units of the left and right chair frames comprise back bars and sliding bars fixedly connected to the rear sides of the lower portions of the back bars, the outer ends of the upper pull rods of the left and right folding mechanisms are hinged to the upper ends of the sliding bars of the corresponding back bar units respectively, and the outer ends of the lower pull rods of the left and right folding mechanisms are connected with the lower portions of the sliding bars of the corresponding back bar units in a sliding mode.
6. The folding chair as claimed in claim 5, wherein: the outer ends of the lower pull rods of the left folding mechanism and the right folding mechanism are hinged with first sliding sleeves, and the first sliding sleeves are respectively sleeved in the lower parts of the sliding rods of the corresponding back rod units and are in sliding connection with the sliding rods.
7. The folding chair as claimed in claim 6, wherein: the back bar units of the left and right chair frames further comprise an upper slide bar fixing seat and a lower slide bar fixing seat, and in the back bar units of the chair frames, the slide bars are fixedly connected to the rear side of the lower part of the back bar through the upper slide bar fixing seat and the lower slide bar fixing seat.
8. The folding chair as claimed in claim 5, wherein: the left chair frame and the right chair frame respectively comprise a front supporting leg, a rear supporting leg and a seat post, the rear ends of the seat posts of the left chair frame and the right chair frame are hinged with the lower ends of the back posts of the left chair frame and the right chair frame respectively, the upper ends of the front supporting leg and the rear supporting leg of the left chair frame and the right chair frame are drawn close to each other and are hinged together through a hinge pin shaft respectively, the lower ends of the front supporting leg and the rear supporting leg of the left chair frame and the right chair frame are kept away from each other and are arranged, the upper ends of the front supporting leg of the left chair frame and the front supporting leg of the right chair frame are hinged with the front portions of the seat posts of the left chair frame and the right chair frame respectively, the rear ends of the seat posts of the left chair frame and the right chair frame are hinged with a second sliding sleeve respectively, the second sliding sleeves are sleeved on the upper portions of the rear supporting legs of the left chair frame and the right.
9. The folding chair as claimed in claim 8, wherein: the left and right chair frames further comprise handrails, the rear ends of the handrails of the left and right chair frames are respectively hinged to the middle lower parts of the back bars of the left and right chair frames, the front ends of the handrails of the left and right chair frames are respectively provided with a gear plate, at least two limiting grooves distributed along the front and back directions of the gear plate and sliding grooves communicated with the limiting grooves are arranged on each gear plate, the front supporting legs of the left and right chair frames and the hinged pin shafts of the rear supporting legs penetrate into the sliding grooves on the corresponding gear plates respectively and can move in the sliding grooves and are clamped into any limiting grooves.
10. The folding chair as claimed in claim 9, wherein: the left chair frame and the right chair frame respectively comprise telescopic rods, the lower ends of the telescopic rods of the left chair frame and the right chair frame are respectively hinged with the lower ends of the front support legs of the left chair frame and the right chair frame, and the upper ends of the telescopic rods of the left chair frame and the right chair frame are respectively hinged with the front ends of the seat rods of the left chair frame and the right chair frame; the folding chair frame further comprises a first cross rod and a second cross rod which are arranged in a crossed mode and hinged with each other, the upper ends of the first cross rod and the second cross rod are hinged with the upper ends of the telescopic rods of the left chair frame and the right chair frame respectively, and the lower ends of the first cross rod and the second cross rod are hinged with the lower ends of the telescopic rods of the left chair frame and the right chair frame respectively; the seat surface is sleeved on the seat rod and the back rod of the left and right chair frames.
CN202020867362.1U 2020-05-21 2020-05-21 Folding chair Active CN212325907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020867362.1U CN212325907U (en) 2020-05-21 2020-05-21 Folding chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020867362.1U CN212325907U (en) 2020-05-21 2020-05-21 Folding chair

Publications (1)

Publication Number Publication Date
CN212325907U true CN212325907U (en) 2021-01-12

Family

ID=74083938

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020867362.1U Active CN212325907U (en) 2020-05-21 2020-05-21 Folding chair

Country Status (1)

Country Link
CN (1) CN212325907U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023060755A1 (en) * 2021-10-14 2023-04-20 永康市青沐工贸有限公司 Folding chair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023060755A1 (en) * 2021-10-14 2023-04-20 永康市青沐工贸有限公司 Folding chair

Similar Documents

Publication Publication Date Title
CN111436785A (en) Folding chair
EP3777807B1 (en) Multifunctional wheelchair
WO2020088552A1 (en) Iron frame for stand-assisted recliner driven by duel motors and working method thereof
CN212325907U (en) Folding chair
WO2020088553A1 (en) Iron rack used for stand assist recliner and operating method therefor
CN214386827U (en) Folding chair
CN209172782U (en) Electronic tipping-up seat
CN213550722U (en) Chair capable of being folded left and right
CN216316610U (en) Auxiliary rising device and leisure chair
CN214436206U (en) Body-building apparatus
CN212679464U (en) Height-adjustable nursing bed
CN211632549U (en) Children's bed
CN106617713A (en) Student bed adopting form of desk and chair combination
CN217524351U (en) Folding chair frame
CN214181660U (en) Foldable high-order drop-down ware and foldable two high-order drop-down wares
CN220308741U (en) Backrest folding structure and folding chair with same
CN212213153U (en) Office chair convenient to accomodate
CN215083263U (en) Portable stool based on movable infusion support
CN220778654U (en) Sitting and lying angle adjusting mechanism of chair for rehabilitation medical treatment
CN210018656U (en) Dining chair for children
CN220557685U (en) Full folding chair for gear shifting
CN205626324U (en) Folded cascade wheelchair and portable mobile device
CN218852269U (en) Folding chair and linkage folding chair frame thereof
CN213486512U (en) Fishing chair and supporting structure thereof
CN220237204U (en) Auxiliary device for helping standing up

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant