CN218588616U - Folding chair - Google Patents

Abstract

The utility model relates to the technical field of seats, specifically be a folding chair, including the folding leg, can dismantle on the folding leg and be connected with chair cloth, the folding leg includes upper portion rotation axis and lower part rotation axis, upper portion rotation axis rotates with lower part rotation axis to be connected, four installation ends have been arranged at the upper portion rotation axis, all rotate in every installation end and be connected with the telescopic link, the tip of every telescopic link all is provided with the connecting hole that is used for assembling chair cloth, four stiff ends have been arranged at the lower part rotation axis heart, all rotate in every stiff end and be connected with the supporting leg, the spacing groove has been put to the equipartition in every installation end and every stiff end, the equal fixedly connected with of tip of every supporting leg and every telescopic link and the bead of spacing groove block. The upper rotating shaft center and the lower rotating shaft center in the folding frame are in rotating connection, so that a user can rotate the direction of the chair cloth according to the use requirement in the use process, and the use feeling of the user is improved.

Description

Folding chair

Technical Field

The utility model relates to the technical field of seats, in particular to a folding chair.

Background

The folding chair is convenient to move and saves space. Originally for military use. Commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.

A folding chair of prior patent grant publication No. CN 211048869U comprises a cushion and a contraction frame; the cushion is made of soft materials, is fixed on the contraction frame and comprises a cushion and a back cushion; the retractable frame comprises a chair leg frame and a backrest frame.

The folding chair in this application, the occupation space is little, and the collection is convenient, nevertheless when the folding chair expandes the use, because the angle of folding chair is fixed, the user of being not convenient for rotates when using, and application range is limited for the user uses the impression and descends.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding chair through the upper portion rotation axis and the lower part rotation axis that rotate the connection, solves the unable pivoted problem of folding chair in the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a folding chair, includes the folding leg, can dismantle on the folding leg and be connected with chair cloth, the folding leg includes upper portion rotation axis center and lower part rotation axis center, upper portion rotation axis center with lower part rotation axis center rotates and connects, four installation ends have been arranged on the upper portion rotation axis center, every all rotate in the installation end and be connected with the telescopic link, every the tip of telescopic link all is provided with the connecting hole that is used for assembling chair cloth, four stiff ends, every have been arranged on the lower part rotation axis center all rotate in the stiff end and be connected with the supporting leg, every installation end and every spacing groove has been put to the equipartition in the stiff end, every supporting leg and every the equal fixedly connected with of tip of telescopic link and the bead of spacing groove block, four be provided with the bearing structure with four supporting leg synchronous rotations all the time between the supporting leg.

Optionally, the supporting structure includes a supporting core, four connecting ends are arranged on the supporting core, each connecting end is internally and rotatably connected with a supporting rod, the four supporting rods correspond to the four supporting legs one to one, and the end portions of the supporting rods are rotatably connected with the inner walls of the supporting legs.

Optionally, the telescopic link includes the outer sleeve, be provided with in the outer sleeve and follow the inner skleeve of the axis drunkenness of outer sleeve, be provided with in the inner skleeve and follow the slide bar of the axis drunkenness of inner skleeve, all be provided with the mounting that is used for the flexible length of fixed telescopic link on the outer wall of slide bar and inner skleeve, set up a plurality of fixed orificess with the cooperation of mounting joint use on outer sleeve and the inner skleeve.

Optionally, the fixing member includes a spring plate, a round block matched with the fixing hole is fixedly connected to the outer wall of the spring plate, and the spring plate is fixedly connected to the inner cavities of the outer sleeve and the inner sleeve.

Optionally, the bottom end of each supporting leg is detachably connected with a foot pad.

Optionally, a gasket is fitted in each of the fixing holes.

Compared with the prior art, the utility model discloses possess following beneficial effect: the utility model discloses be connected for rotating in the folding leg between upper portion rotation axis and the lower part rotation axis, make the user in the use, can rotate the direction of chair cloth according to the user demand, be favorable to improving user's use impression, the turned angle between limiting groove and the bead can be restricted to the setting of telescopic link and supporting leg and upper portion rotation axis and lower part rotation axis to improve the stability in the folding leg use.

Drawings

Fig. 1 is a schematic structural view of the folding leg of the present invention;

fig. 2 is a schematic structural view of the folding frame of the present invention;

FIG. 3 is a schematic structural view of the upper and lower rotary axes of the present invention;

FIG. 4 is a schematic structural view of a support leg of the present invention;

FIG. 5 is a schematic view of the upper rotary shaft and the telescopic rod of the present invention;

fig. 6 is a schematic structural view of the telescopic rod of the present invention;

fig. 7 is a schematic structural view of the inner sleeve of the present invention.

FIG. 8 is a schematic view of the overall structure of the present invention;

in the figure: 1. a folding frame; 2. an upper rotation axis; 3. a lower rotation axis; 4. a telescopic rod; 5. supporting legs; 6. a support core; 7. a support bar; 8. an outer sleeve; 9. an inner sleeve; 10. a slide bar; 11. a fixing hole; 12. a spring plate; 13. a round block; 14. a foot pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1 to 8, the embodiment of the utility model provides a folding chair, including folding leg 1, can dismantle on the folding leg 1 and be connected with chair cloth, folding leg 1 includes upper portion rotation axis 2 and lower part rotation axis 3, upper portion rotation axis 2 rotates with lower part rotation axis 3 to be connected, four installation ends have been arranged on upper portion rotation axis 2, all rotate in every installation end and be connected with telescopic link 4, the tip of every telescopic link 4 all is provided with the connecting hole that is used for assembling chair cloth, four stiff ends have been arranged on the rotation axis 3 of lower part, all rotate in every stiff end and be connected with supporting leg 5, the spacing groove has been arranged to every installation end and every stiff end equipartition, the equal fixedly connected with of tip of every supporting leg 5 and every telescopic link 4 and the bead of spacing groove block, be provided with the bearing structure with four supporting legs 5 synchronous pivoted all the time between four supporting legs 5.

Specifically, when the folding chair is used, the folding frame 1 needs to be unfolded firstly, the supporting leg 5 is unfolded by taking the lower rotating shaft center 3 as the center of the unfolding folding frame 1, so that an obtuse angle state is formed between the supporting leg 5 and the lower rotating shaft center 3, the position of the lower rotating shaft center 3 is fixed, then the telescopic rod 4 is unfolded by taking the upper rotating shaft center 2 as the center, the telescopic rod 4 can adjust the telescopic length of the telescopic rod 4 according to the size of the chair cloth, the chair cloth is fixed between the four telescopic rods 4 by riveting or splicing a connecting hole at the top of the telescopic rod 4, the folding chair can be used, otherwise, the folding frame 1 can be folded, the storage is convenient, the occupied space is reduced, the upper rotating shaft center 2 and the lower rotating shaft center 3 are rotatably connected, so that a user can rotate the direction of the chair cloth according to the use requirement in the use process, the use feeling of the user is improved, and the arrangement of the limit grooves and the convex edges can limit the rotating angles between the telescopic rod 4 and the supporting leg 5 and the upper rotating shaft center 2 and the lower rotating shaft center 3 so as to improve the stability of the folding frame 1 in the use process.

Further, please participate in fig. 4, the supporting structure includes a supporting core 6, four connecting ends are arranged on the supporting core 6, a supporting rod 7 is rotatably connected in each connecting end, the four supporting rods 7 correspond to the four supporting legs 5 one to one, and the end portions of the supporting rods 7 are rotatably connected to the inner walls of the supporting legs 5.

Specifically, in the process of rotating the lower rotating shaft center 3 of the four supporting legs 5, the four supporting rods 7 rotate along with the unfolding of the supporting legs 5, and drive the supporting core 6 to move along the axis of the lower rotating shaft center 3, so that the supporting strength of the four supporting legs 5 is improved, the unfolding distance of the four supporting legs 5 is convenient to limit, and the stability of the chair cloth in use is further improved.

Further, referring to fig. 5 to 7, the telescopic rod 4 includes an outer sleeve 8, an inner sleeve 9 which can move along an axis of the outer sleeve 8 is disposed in the outer sleeve 8, a sliding rod 10 which can move along an axis of the inner sleeve 9 is disposed in the inner sleeve 9, fixing members for fixing a telescopic length of the telescopic rod 4 are disposed on outer walls of the sliding rod 10 and the inner sleeve 9, and a plurality of fixing holes 11 which are used in clamping connection with the fixing members are disposed on the outer sleeve 8 and the inner sleeve 9.

Specifically, four telescopic links 4 can be according to the outer distance that expands of chair cloth and adjust flexible, the seat of the not unidimensional shape of easy to assemble to through the joint cooperation of mounting and fixed orifices 11, fix easy operation, convenient to use to telescopic link 4's flexible length.

Further, please refer to fig. 7, the fixing member includes a spring plate 12, a circular block 13 matched with the fixing hole 11 is fixedly connected to an outer wall of the spring plate 12, the spring plate 12 is fixedly connected to inner cavities of the outer sleeve 8 and the inner sleeve 9, the spring plate 12 is pressed by the circular block 13, the spring plate 12 moves downwards in the inner sleeve 9, at this time, the circular block 13 is separated from the fixing hole 11, the inner sleeve 9 in the outer sleeve 8 can be moved, after the required position is moved, the circular block 13 moves upwards through the reset function of the spring plate 12, the circular block 13 is connected with the fixing hole 11 in a clamping manner, and the fixing of the telescopic length of the telescopic rod 4 can be completed.

Further, referring to fig. 4, a foot pad 14 is detachably connected to the bottom end of each supporting leg 5, and the foot pad 14 can improve the friction between the supporting leg 5 and the ground and reduce the problem of displacement of the supporting leg 5 during use.

Furthermore, all be equipped with the packing ring in every fixed orifices 11, the user is pressing the round block 13 in-process, through the setting of packing ring, can prevent that the user from pointing during the centre gripping fixed orifices 11, reduces the potential safety hazard when telescopic link 4 uses.

The utility model discloses a theory of operation: when using this folding chair, need expand folding leg 1 earlier, it expands supporting leg 5 to expand folding leg 1 earlier with lower part rotation axis 3 as the center, make to be the obtuse angle state between supporting leg 5 and the lower part rotation axis 3, with the rigidity to lower part rotation axis 3, expand telescopic link 4 again with upper part rotation axis 2 as the center, telescopic link 4 can adjust the flexible length of telescopic link 4 according to the size of chair cloth, the connecting hole at telescopic link 4 top is fixed the chair cloth between four telescopic links 4 through riveting or the mode of pegging graft, can use folding chair, otherwise, can fold folding leg 1, and the storage is convenient for, and the occupation space is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a folding chair, includes folding leg (1), can dismantle on folding leg (1) and be connected with chair cloth, its characterized in that: folding leg (1) includes upper portion rotation axis (2) and lower part rotation axis (3), upper portion rotation axis (2) with lower part rotation axis (3) is rotated and is connected, four installation ends have been arranged on upper portion rotation axis (2), every all rotate in the installation end and be connected with telescopic link (4), every the tip of telescopic link (4) all is provided with the connecting hole that is used for assembling the chair cloth, four stiff ends have been arranged on lower part rotation axis (3), every all rotate in the stiff end and be connected with supporting leg (5), every installation end and every spacing groove has been put to the equipartition in the stiff end, every supporting leg (5) and every the bead of the equal fixedly connected with of tip and spacing groove block of telescopic link (4), four be provided with between supporting leg (5) all the time with four supporting leg (5) synchronous pivoted bearing structure.

2. A folding chair as claimed in claim 1, wherein: the supporting structure comprises a supporting core (6), wherein four connecting ends and every connecting end are arranged on the supporting core (6), a supporting rod (7) and four supporting rods (7) are connected in the connecting ends in a rotating mode, the supporting rods (7) correspond to the supporting legs (5) in a one-to-one mode, and the end portions of the supporting rods (7) are connected with the inner walls of the supporting legs (5) in a rotating mode.

3. A folding chair as claimed in claim 1, wherein: telescopic link (4) include outer sleeve (8), be provided with in outer sleeve (8) and follow inner skleeve (9) of the axis drunkenness of outer sleeve (8), be provided with in inner skleeve (9) and follow slide bar (10) of the axis drunkenness of inner skleeve (9), all be provided with the mounting that is used for fixed telescopic link (4) length of stretching out and drawing back on the outer wall of slide bar (10) and inner skleeve (9), set up a plurality of fixed orificess (11) that use with the cooperation of mounting joint on outer sleeve (8) and inner skleeve (9).

4. A folding chair as claimed in claim 3, wherein: the fixing piece comprises an elastic sheet (12), a round block (13) matched with the fixing hole (11) is fixedly connected to the outer wall of the elastic sheet (12), and the elastic sheet (12) is fixedly connected to the inner cavities of the outer sleeve (8) and the inner sleeve (9).

5. A folding chair as claimed in claim 1, wherein: the bottom end of each supporting leg (5) is detachably connected with a foot pad (14).

6. A folding chair as claimed in claim 3, characterised in that: each fixing hole (11) is internally provided with a gasket.

Images