CN218898927U

CN218898927U - Bundle type folding chair frame and folding chair with same

Info

Publication number: CN218898927U
Application number: CN202222670333.8U
Authority: CN
Inventors: 杨宝庆; 俞临兵; 王尹助
Original assignee: Zhejiang Hengfeng Top Leisure Co Ltd
Current assignee: Zhejiang Hengfeng Top Leisure Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-04-25
Anticipated expiration: 2032-10-11
Also published as: WO2024078232A1

Abstract

The utility model belongs to a bundle-type folding chair frame, which comprises a pair of backrest rods, a pair of seat rods, a pair of grab bars, a pair of front foot rods, a pair of rear foot rods and a pair of front support rods, wherein the grab bars are lifted upwards, the folding chair frame is in a bundle shape after being folded, each front foot rod extends obliquely from front to back upwards, each rear foot rod extends obliquely from front to back downwards, each rear foot rod is provided with a pivot seat, the pivot seat is hinged with the front foot rod, and the hinge point A of the pivot seat is deviated from the rear foot rod, so that the front foot rod and the rear foot rod can be folded in a parallel gathering mode.

Description

Bundle type folding chair frame and folding chair with same

Technical Field

The utility model relates to a bundle-type folding chair frame and a folding chair with the same.

Background

When the common bundle-type folding chair is folded, most of the seat pipes are turned over at the rear part, and the folded package is large in size.

Disclosure of Invention

Preferably, the first end of each front supporting rod is hinged with the corresponding grab bar, the second end of each front supporting rod is hinged with the corresponding first sliding seat arranged on the corresponding front foot bar, the front supporting rod is provided with a second sliding seat, and the second sliding seat is hinged with the corresponding connecting seat.

Preferably, the front foot bar is provided with a first limiting part, the front support bar is provided with a second limiting part, and the first limiting part and the second limiting part are respectively arranged at the lower sides of the second sliding seat and the first sliding seat so as to limit the sliding stroke of the sliding seat.

Preferably, the top of the rear foot bar is connected with a pivot seat, the pivot seat is provided with a hinge part extending downwards from the top of the rear foot bar in an inclined way, and the front foot bar is hinged with the hinge part.

Preferably, the hinge part forms a supporting groove which extends obliquely downwards and is opened upwards, and the front foot rod has a propped open state in the supporting groove and a retracted state separated from the supporting groove.

Preferably, the hinge point B of the second slide and the connecting seat is arranged eccentrically with respect to the axes of the front support bar and the seat bar, and is arranged towards the outside.

Preferably, a containing groove facing the opening of the front foot rod is formed between the second sliding seat and the connecting seat for containing the front foot rod therein.

Preferably, a third sliding seat is arranged on each backrest rod, a fourth sliding seat is arranged on each rear foot rod, the third sliding seat is hinged with the corresponding front foot rod, and the fourth sliding seat is hinged with the corresponding backrest rod.

Preferably, the folding chair frame further comprises a front cross link and a rear cross link, wherein the front cross link is connected between the front foot bar and the seat bar, and the rear cross link is connected with the rear foot bar. The utility model further provides a folding chair comprising the folding chair frame described above.

Preferably, the middle side of each grab rail is hinged with the front foot bar through a connecting seat a, and a hinge point C of the connecting seat a and the front foot bar is eccentrically arranged compared with the seat bar.

Preferably, each seat bar is hinged to the front foot bar through a connecting seat a, and a hinge point C of the connecting seat a and the front foot bar is eccentrically arranged compared with the seat bar.

Preferably, the rear end of each seat bar is hinged with the corresponding backrest bar, and the connection seat a is connected to the middle side of the seat bar; the rear end of each grab bar is hinged with the corresponding backrest bar, and the front end of each grab bar is hinged with the corresponding front support bar through a plastic seat.

The utility model enables the folded front foot bar and the folded rear foot bar to be in a parallel state through the design of the pivot seat, and solves the technical problem of larger folding volume caused by the angle existing after the front foot bar and the rear foot bar are folded.

The second sliding seat is eccentrically hinged with the connecting seat, so that the front supporting rod and the grab rail are arranged in parallel after being folded, and the technical problem that the front supporting rod and the grab rail cannot be completely parallel and gathered due to the fact that the angle exists after the front supporting rod and the grab rail are folded is solved. Meanwhile, a containing groove is formed between the front support rod and the back support rod for containing the front support rod, so that the front support rod which is folded in parallel with the back support rod can be hidden between the front support rod and the grab rail, the radial size after folding is greatly reduced, and the packaging volume of the chair frame provided by the utility model is obviously reduced.

On the premise of ensuring the use experience, the utility model reduces the folded package volume to the greatest extent and reduces the freight cost through structural design and optimization.

Drawings

FIG. 1 is a schematic view of a folding chair according to the present utility model;

FIG. 2 is a side view of the folding chair provided by the present utility model;

fig. 3 and fig. 4 are schematic views illustrating a folding process of the folding chair according to the present utility model.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, the present embodiment relates to a bundle-type folding chair frame, which at least includes a pair of backrest bars 1, a pair of seat bars 2, a pair of grab bars 3, a pair of front foot bars 5 and a pair of rear foot bars 6, wherein the grab bars 3 are lifted upwards, and the folding chair frame is folded to form a bundle-type folding chair.

Based on the aforementioned folding chair, the present embodiment improves the connection structure of the front foot bars 5 and the rear foot bars 6, each front foot bar 5 extends obliquely upward from front to rear, each rear foot bar 6 extends obliquely downward from front to rear, each rear foot bar is provided with a pivot seat 10, the pivot seat 10 is hinged with the front foot bar 5 and the hinge point a11 thereof deviates from the rear foot bar 6, so that the front foot bar 5 and the rear foot bar 6 can be folded in a parallel and folded manner. Therefore, by means of the design of the pivot seat, the rear foot rod 6 can support the front foot rod 5, after the front foot rod 5 and the rear foot rod 6 are folded, the front foot rod 5 and the rear foot rod 6 can be parallel to each other, the technical problem that an angle exists after the front foot rod 5 and the rear foot rod 6 are folded is solved, and the folded volume of the folding chair is obviously reduced.

In some embodiments, the top of the rear leg link 6 is connected to a pivot base 10, the pivot base 10 has a hinge portion 102 extending obliquely downward from the top of the rear leg link 6, and the front leg link 5 is hinged to the hinge portion 102. Specifically, the hinge 102 forms a supporting groove extending obliquely downward and opening upward, and the forefoot lever 5 has a spread state of being pressed in the supporting groove and a collapsed state of being separated from the supporting groove.

Optionally, the pivot seat 10 is integrally in an inverted V-shaped design, one inclined side 101 is fixedly connected with the rear foot bar, the other inclined side forms a hinge part 102, the hinge part 102 forms an open supporting groove for supporting the front foot bar therein, and a hinge point a11 is provided therebetween for rotatably connecting the front foot bar 5 therein to realize rotation folding.

In order to further reduce the packaging volume, the first end of each front supporting rod 7 is hinged to the corresponding grab rail 3, the second end of each front supporting rod is hinged to the corresponding first sliding seat 51 arranged on the corresponding front foot rod, the second sliding seat 12 is arranged on the front supporting rod 7, the seat rod corresponding to the front supporting rod is provided with the connecting seat 13, the second sliding seat 12 is hinged to the connecting seat 13, the front foot rod 5 is provided with the first limiting part 27, the front supporting rod 7 is provided with the second limiting part 26, the first limiting part 27 and the second limiting part 26 are respectively arranged at the lower sides of the second sliding seat 12 and the first sliding seat 51 to limit the sliding stroke of the sliding seats, and therefore, the first limiting part 27 and the second limiting part 26 can limit the degree of the unfolding process of the second sliding seat 12 and the first sliding seat 51 in the folding chair so as to keep the state as a chair; on the other hand, after the grab rail 3 is lifted upwards, the second sliding seat 12 and the connecting seat 13 slide to drive the front supporting rod and the seat rod to fold, and the front supporting rod and the seat rod can be parallel and are gathered by virtue of the second sliding seat and the connecting seat, so that the technical problem that an angle exists after the existing front supporting rod and the seat rod are folded is solved.

In some preferred embodiments, the hinge point B15 of the second slide and the connecting seat is arranged eccentrically with respect to the axis of the front support rod and the seat rod, and the hinge point B15 of the second slide 12 and the connecting seat 13 is arranged towards the outside of the chair frame, so that the front foot rod 5 and the rear foot rod 6 can be brought together with the front support rod 7 and the seat rod 2 of the chair frame as much as possible, reducing the radial dimension of the packaging chair.

In a further preferred embodiment, a receiving groove 123 facing the opening of the front leg is formed between the second sliding seat 12 and the connecting seat 13 for receiving the front leg therein, so that the front leg 5 parallel to the rear leg 6 can be hidden in the receiving groove 123, and after folding, the folding width of the side is limited only by the backrest, the rear leg and the front supporting rod, but not by the front leg and the seat rod, and the radial package size is significantly reduced.

Specifically, referring to fig. 3 and 4, a third slide 16 is disposed on each backrest rod 1, a fourth slide 17 is disposed on each rear foot rod 6, the third slide 16 is hinged to the corresponding front foot rod 5, the fourth slide 17 is hinged to the corresponding backrest rod 1, the rear end of each armrest rod 3 is hinged to the corresponding backrest rod 1, and the front end of each armrest rod is hinged to the corresponding front support rod 7 through a plastic seat 20.

In this embodiment, the middle side of each seat bar 2 is hinged to the front foot bar through the connecting seat a 18, and the hinge point C between the front foot bar 5 and the connecting seat a 18 is eccentrically set compared with the seat bar, so that the seat bar can be folded in parallel with the front foot bar and the rear foot bar.

Optionally, the folding chair frame further includes a front cross link 9 and a rear cross link 8, the front cross link 9 is connected between the front foot bar 5 and the seat bar 2, the rear cross link 8 is connected between the rear foot bar 6 and the backrest bar 1, the front cross link and the rear cross link include a first link and a second link which are cross-connected, so that the supporting strength of the whole chair frame is improved.

The second sliding seat 12, the connecting seat 13, the first sliding seat, the connecting seat a, the third sliding seat and the fourth sliding seat are all plastic parts.

When the folding is carried out, the third sliding seat 16 of the backrest rod slides upwards, the fourth sliding seat 17 of the rear foot rod slides downwards, and the sliding seat 12 of the front supporting rod and the first sliding seat 51 of the front foot rod slide upwards; on the premise of ensuring use experience, the volume of the folded package is reduced to the greatest extent through structural design and optimization, and the freight cost is reduced.

In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The folding chair frame comprises a pair of backrest rods (1), a pair of seat rods (2), a pair of grab rails (3), a pair of front foot rods (5), a pair of rear foot rods (6) and a pair of front support rods (7), wherein the grab rails are lifted upwards, and the folding chair frame is folded to be in a bundle shape,

each front foot rod (5) extends obliquely upwards from front to back, each rear foot rod (6) extends obliquely downwards from front to back, each rear foot rod (6) is provided with a pivot seat (10), the pivot seats (10) are hinged with the front foot rods (5) and the hinge points A (11) of the pivot seats are deviated from the rear foot rods (6), so that the front foot rods (5) and the rear foot rods (6) can be folded in a parallel and folded mode.

2. The folding chair frame according to claim 1, characterized in that each front support bar (7) is hinged at a first end to the corresponding grab bar (3) and at a second end to a first slide (51) provided on the corresponding front foot bar (5), a second slide (12) is provided on the front support bar (7), a connecting seat (13) is provided on the seat bar (2) corresponding to the front support bar (7), and the second slide (12) is hinged to the connecting seat (13).

3. The folding chair frame according to claim 2, wherein the front foot bar (5) is provided with a first limiting portion (27), the front support bar (7) is provided with a second limiting portion (26), and the first limiting portion (27) and the second limiting portion (26) are respectively disposed at the lower sides of the second sliding seat (12) and the first sliding seat (51) to limit the sliding travel of the second sliding seat (12) and the first sliding seat (51).

4. A folding chair according to claim 1, characterized in that the rear leg bar (6) is connected at its top to a pivot seat (10) having a hinge part (102) extending obliquely downwards from the rear leg bar top, the front leg bar (5) being hinged to the hinge part (102).

5. The folding chair as claimed in claim 4, wherein the hinge portion (102) forms a supporting groove extending obliquely downward and opening upward, and the front leg bar has a spread state of being pressed against the supporting groove and a collapsed state of being separated from the supporting groove.

6. A folding chair as claimed in claim 2, characterized in that the hinge point B (15) of the second slide (12) with the connecting seat (13) is arranged eccentrically with respect to the axis of the front support bar and seat bar and is arranged towards the outside.

7. The folding chair as in claim 6, wherein a receiving slot (123) is formed between the second slider and the connecting base and is open to the front leg for receiving the front leg therein.

8. The folding chair as claimed in claim 7, characterized in that a third slide (16) is provided on each backrest bar, each rear foot bar is provided with a fourth slide (17), the third slide (16) is hinged to the corresponding front foot bar, and the fourth slide (17) is hinged to the corresponding backrest bar.

9. A folding chair as claimed in claim 8, characterized in that each seat bar (2) is hinged to the front foot bar by means of a connecting seat a (18), and that the hinge point C of the connecting seat a to the front foot bar is arranged eccentrically with respect to the seat bar (2).

10. The folding chair frame according to claim 1, characterized in that it further comprises a front cross link (9) and a rear cross link (8), said front cross link (9) being connected between the front foot bar and the seat bar, and the rear cross link (8) being connected between the rear foot bar and the back bar.

11. The folding chair frame as claimed in claim 9, wherein the rear end of each seat bar is hinged to the corresponding back bar, and the connection seat a is connected to the middle side of the seat bar; the rear end of each grab bar is hinged with the corresponding backrest bar, and the front end of each grab bar is hinged with the corresponding front support bar through a plastic seat.

12. A folding chair comprising a folding chair frame according to any one of claims 1 to 11.