CN220557688U - Foldable seat framework and foldable seat - Google Patents

Abstract

The utility model discloses a foldable seat framework, which comprises at least three seat rods and supporting legs, wherein the seat rods and the supporting legs are connected through folding connecting components, a pull rod is longitudinally movably installed in the folding connecting components, two ends of the pull rod are respectively provided with a convex part, elastic components are respectively arranged between the convex part at the upper end and the end part of the supporting leg, and the convex part at the lower end and the end part of the seat rod.

Description

Foldable seat framework and foldable seat

Technical Field

The utility model relates to the technical field of foldable seats, in particular to a foldable seat framework and a foldable seat.

Background

The existing foldable seats like folding chairs and folding stools are complicated in folding and unfolding operations when the foldable seats are carried out for use, the foldable seats cannot be quickly spread for use outdoors, the occupied space after folding and storage is large, and the foldable seats are inconvenient.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a collapsible thing to sit on skeleton, includes seat pole and supporting leg that all is not less than three, seat pole and supporting leg pass through folding coupling assembling interconnect, vertical movable mounting has the pull rod in the folding coupling assembling, the pull rod both ends are equipped with the bellying respectively, the upper end bellying and supporting leg tip, lower extreme all be equipped with elastomeric element between bellying and the seat pole tip, work as when the pull rod upwards draws, the folding coupling assembling activity can be followed to seat pole and supporting leg, when elastomeric element is in compressed state, supporting leg and seat pole respectively with folding coupling assembling spacing butt, make folding thing to sit on is in folding fixed or expansion fixed state.

As a preferable technical scheme of the utility model, the folding connecting component comprises an upper hinging seat and a lower hinging seat, wherein the upper hinging seat is hinged with a sitting rod, the lower hinging seat is hinged with a supporting leg, and the upper hinging seat and the lower hinging seat are movably connected with each other through a connecting bearing, so that the sitting rod can rotate relative to the supporting leg.

As a preferable technical scheme of the utility model, a cover is rotatably arranged between the lower hinge seat and the upper hinge seat, the cover is covered on the lower hinge seat, a plurality of rotation inserting sheets which are matched with the lower hinge grooves in number are formed at the upper end of the lower hinge seat, a plurality of limiting rotating grooves for limiting rotation of the rotation inserting sheets are formed on the cover, a plurality of movable grooves corresponding to the lower hinge grooves are formed on the outer side of the cover, and when the cover rotates relative to the lower hinge seat in a limiting manner, the movable grooves can be communicated with the lower hinge grooves, so that the supporting legs can rotate up and down.

As a preferable technical scheme of the utility model, a plurality of accommodating cavities are formed in the lower hinge seat, the accommodating cavities are positioned on the inner side of the lower hinge groove, the upper ends of the accommodating cavities are isolated from the lower hinge groove through rotating inserting sheets, and the lower ends of the accommodating cavities are communicated with the lower hinge groove.

As a preferable technical scheme of the utility model, the protruding part comprises a cap and a plug, the plug is arranged at the bottom of the pull rod, the cap is provided with the upper end of the pull rod, the elastic component comprises a first elastic part and a second elastic part, the first elastic part is provided with a plurality of upper hinge grooves which are sequentially arranged, when the pull rod is in a reset state, the first elastic part is limited between the end part of the sitting rod and the cap, the second elastic part is provided with a plurality of second elastic parts which are sequentially arranged in the accommodating cavity, and when the pull rod is in a reset state, the second elastic part is limited between the end part of the supporting leg and the plug.

As a preferable technical scheme of the utility model, the first elastic part comprises an upper movable seat, a lug is formed by protruding upwards from the inner side of the upper movable seat, an upper spring is fixedly arranged on the lug, the upper spring is abutted with the inner wall of the cap, and a slot for limiting and inserting the cap along the opening is formed in the top of the upper movable seat.

As a preferable technical scheme of the utility model, the second elastic part comprises a sliding seat, the sliding seat is arranged in the accommodating cavity, a lower spring is arranged on the sliding seat, the free end of the lower spring is abutted with the rotating inserting piece, and the inner side end of the lower spring is abutted with the plug.

As a preferable technical scheme of the utility model, the hinge end of the sitting rod is provided with a plurality of upper abutting bulges, when the first elastic part is in a compressed state, the sitting rod is abutted with the first elastic part through the upper abutting bulges, so that the sitting rod is in a stable unfolding or stable folding state, the hinge end of the supporting leg is provided with a plurality of lower abutting bulges, and when the second elastic part is in a compressed state, the supporting leg is abutted with the second elastic part through the lower abutting bulges, so that the supporting leg is in a stable unfolding or stable folding state.

As a preferable technical scheme of the utility model, at least two seat post ends are slidably provided with extension rods, so that the seat posts can be extended to form a backrest part.

A foldable seat comprises seat cloth, wherein the seat cloth is paved on a seat rod of a foldable seat framework, and the outer side end of the seat cloth is bound at the end parts of the seat rod and an extension rod, so that the seat framework forms a seat capable of being sat.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up the pull rod 31 that reciprocates in folding coupling assembling 3, set up cap 32 and plug 311 respectively at the both ends of pull rod 31, and set up first elastic part 33 between seat pole 1 and cap 32, set up second elastic part 33 between supporting leg 2 and plug 311, make seat pole 1 and supporting leg 2 can be in spacing and active state along with the activity of pull rod 31's upper and lower, and set up a plurality of spacing archs at seat pole 1 and supporting leg 2 tip, spacing when realizing the expansion and the folding of seat skeleton, cooperation is laid the seat cloth 4 on seat pole 1, can be convenient for use the outdoor portable of seat of this seat skeleton, expand simultaneously with fold up easy operation, inwards form the column after folding up, occupation space is little, can be convenient for use at outdoor quick assembly.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a folded state diagram of the present utility model;

FIG. 3 is an exploded view of the seat frame of the present utility model;

FIG. 4 is a partial cross-sectional view of the seat frame of the present utility model;

FIG. 5 is a schematic view of the structure of the tie rod of the present utility model;

FIG. 6 is a schematic view of a first spring assembly according to the present utility model;

FIG. 7 is a schematic view of the installation of the cover of the present utility model;

fig. 8 is a schematic view of the installation of the seat cloth of the present utility model.

Wherein: 1. a sitting rod; 11. an extension rod; 12. an upper abutment projection; 2. support legs; 21. a lower abutment projection; 3. folding the connection assembly; 31. a pull rod; 311. a plug; 312. a middle spring; 313. limiting pull head; 32. a cap; 33. a first elastic portion; 331. an upper movable seat; 332. a tab; 333. a spring is arranged; 334. a slot; 34. an upper hinging seat; 341. an upper hinge groove; 35. connecting a bearing; 36. a cover cap; 361. a movable groove; 362. limiting rotating grooves; 37. a lower hinge seat; 371. a lower hinge groove; 372. rotating the inserting sheet; 373. a receiving chamber; 38. a second elastic part; 381. a sliding seat; 382. a lower spring; 39. sealing; 391. a positioning groove; 4. and (5) sitting cloth.

Description of the embodiments

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the detailed description, other examples, which a person skilled in the art would have without making any inventive effort, are within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Referring to fig. 1 to 8, the utility model provides a foldable seat, which comprises a plurality of seat rods 1 and supporting legs 2, wherein after the seat rods 1 are unfolded, the seat is placed around the seat for use, seat cloth 4 is paved on the seat rods 1, the outer ends of the seat cloth 4 are tied at the ends of the seat rods 1 and the extending rods 11, so that the seat framework forms the seat which can be sat, the seat rods 1 and the supporting legs 2 are connected with each other through folding connecting components 3, pull rods 31 are longitudinally movably installed in the folding connecting components 3, protruding parts are respectively arranged at two ends of the pull rods 31, elastic parts are respectively arranged between the protruding parts at the upper ends and the end parts of the supporting legs 2, and between the protruding parts at the lower ends and the end parts of the seat rods 1, and when the pull rods 31 are pulled upwards, and when the elastic parts are unfolded, the elastic parts have larger movable spaces, so that the seat rods 1 and the supporting legs 2 can elastically move in the movable spaces, thereby the seat rods 1 and the supporting legs 2 can move along the folding connecting components 3, and when the elastic parts are in a compressed state, the supporting legs 2 and the seat rods 1 are respectively in a limited and abutting state with the folding connecting components 3, so that the seat is unfolded and fixed or unfolded.

Preferably, the folding connection assembly 3 comprises an upper hinge seat 34 for hingedly mounting the seat post 1 and a lower hinge seat 37 for hingedly mounting the support leg 2, the upper hinge seat 34 and the lower hinge seat 37 are movably connected with each other through a connection bearing 35, so that the seat post 1 can rotate relative to the support leg 2, and when the foldable seat frame is unfolded for use, the seat surface can rotate relative to the support surface for use.

Preferably, a cover 36 is rotatably installed between the lower hinge seat 37 and the upper hinge seat 34, the cover 36 is covered on the lower hinge seat 37, a plurality of rotation inserting pieces 372 matched with the lower hinge grooves 371 in number are formed at the upper end of the lower hinge seat 37, a plurality of limiting rotating grooves 362 for limiting rotation of the rotation inserting pieces 372 are formed on the cover 36, a plurality of movable grooves 361 corresponding to the lower hinge grooves 371 are formed on the outer side of the cover 36, when the cover 36 is in limiting rotation relative to the lower hinge seat 37, the movable grooves 361 can be communicated with the lower hinge grooves 371 to enable the supporting legs 2 to rotate up and down, and when the supporting legs 2 are unfolded, the cover 36 can be reversely rotated to seal the lower hinge grooves 371 to enable the lower ends of the cover 36 to be in limiting abutting connection with the supporting legs 2, so that the supporting strength of the supporting legs 2 is improved.

A plurality of accommodating cavities 373 are formed in the lower hinge seat 37, the accommodating cavities 373 are positioned on the inner sides of the lower hinge grooves 371, the upper ends of the accommodating cavities 373 are isolated from the lower hinge grooves 371 by rotating the inserting pieces 372, and the lower ends of the accommodating cavities 373 are communicated with the lower hinge grooves 371.

Preferably, the protruding portion includes a cap 32 and a plug 311, the plug 311 is disposed at the bottom of the pull rod 31, the cap 32 is provided with an upper end of the pull rod 31, the elastic component includes a first elastic portion 33 and a second elastic portion 38, the first elastic portion 33 is plural and sequentially disposed in the corresponding upper hinge groove 341, when the pull rod 31 is in a reset state, the first elastic portion 33 is limited and disposed between the end of the seat rod 1 and the cap 32, so that the seat rod 1 is kept in a locked state, the second elastic portion 38 is plural and sequentially disposed in the accommodating cavity 373, and when the pull rod 31 is in a reset state, the second elastic portion 38 is limited and disposed between the end of the support leg 2 and the plug 311, so that the support leg 2 is kept in a locked state.

Preferably, the first elastic portion 33 includes an upper movable seat 331, a protruding piece 332 is formed by protruding upwards on the inner side of the upper movable seat 331, an upper spring 333 is fixedly arranged on the protruding piece 332, the upper spring 333 is abutted against the inner wall of the cap 32, a slot 334 for limiting insertion of the cap 32 along the opening is formed in the top of the upper movable seat 331, when the pull rod 31 is pulled upwards, the cap 32 leaves the slot 334 along with the pull rod 31, and under the action of the upper spring 333, the first elastic portion 33 moves inwards, so that the seat rod 1 has a moving space.

Preferably, the second elastic portion 38 includes a sliding seat 381, the sliding seat 381 is disposed in the accommodating cavity 373, a lower spring 382 is disposed on the sliding seat 381, a free end of the lower spring 382 abuts against the rotating insert 372, and an inner end of the lower spring 382 abuts against the plug 311, so that the supporting leg 2 can be effectively limited in both the unfolded and folded states.

Preferably, a positioning slot 391 is preset at the upper end of the sealing piece 39, and the plug 311 is in plug-in matching with the positioning slot 391, so that the plug 311 can be accurately positioned on the sealing piece 39.

Preferably, the hinge end of the seat post 1 is provided with a plurality of upper abutting projections 12, when the first elastic portion 33 is in a compressed state, the seat post 1 abuts against the first elastic portion 33 through the upper abutting projections 12, so that the seat post 1 is in a stable unfolded or stable folded state, the hinge end of the support leg 2 is provided with a plurality of lower abutting projections 21, when the second elastic portion 38 is in a compressed state, the support leg 2 abuts against the second elastic portion 38 through the lower abutting projections 21, so that the support leg 2 is in a stable unfolded or stable folded state, and the seat frame is in a folded state and an unfolded and folded state, and the overall structure is stable.

Preferably, at least two seat posts 1 are slidably provided with extension bars 11 at the ends thereof, so that the seat posts 1 can be extended to form a backrest portion, and the framework of the seat can be assembled to form the seat with the backrest function.

Unlike the above embodiment, the upper end of the pull rod 31 forms a limiting pull head 313, a section of the pull rod 31 located in the folding connection assembly 3 is sleeved with a middle spring 312, the middle spring 312 is limited between the plug 311 and the connection bearing 35, and when the pull rod 31 is pulled out, the pull rod can be elastically reset under the action of elasticity.

When the seat cushion is used, the pull rod 31 is pulled upwards to drive the cap 32 and the plug 311 to be upwards, the first elastic part 33 and the second elastic part 38 are in a loose state, the joint of the seat cushion 1 and the supporting leg 2 and the folding connecting assembly 3 is provided with a movable space, the seat cushion 1 and the supporting leg 2 are respectively unfolded, after the seat cushion is unfolded, the pull rod 31 is loosened, the pull rod 31 is reset to drive the cap 32 and the plug 311 to be reset, the first elastic part 33 and the second elastic part 38 are in a compressed and tensioned state, the first elastic part and the second elastic part are in abutting connection with the end parts of the seat cushion 1 and the supporting leg 2, the cover cap 36 is turned to be in a limiting state, the upper end of the supporting leg 2 is abutted to seal the lower hinge groove 371, and the seat cushion 4 is paved on the seat cushion 1 for use.

When designing, through setting up the pull rod 31 that reciprocates in folding coupling assembling 3, set up cap 32 and plug 311 respectively at the both ends of pull rod 31, and set up first elastic part 33 between seat pole 1 and cap 32, set up second elastic part 33 between supporting leg 2 and plug 311, make seat pole 1 and supporting leg 2 can be in spacing and active state along with the upper and lower activity of pull rod 31, and set up a plurality of spacing archs at seat pole 1 and supporting leg 2 tip, spacing when realizing the expansion of seat skeleton and folding, the cooperation is laid the seat cloth 4 on seat pole 1, can be convenient for use the outdoor portable of seat of this seat skeleton, expansion and folding operation are simple simultaneously, can be convenient for use in outdoor quick assembly.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A foldable seat frame, characterized in that: including all being no less than three seat pole and supporting leg, seat the pole upper berth and have sat the cloth, seat pole and supporting leg pass through folding coupling assembling interconnect, vertical movable mounting has the pull rod in the folding coupling assembling, the pull rod both ends are equipped with the bellying respectively, the upper end bellying and supporting leg tip, lower extreme all be equipped with elastomeric element between bellying and the seat pole tip, work as the pull rod upwards draws, elastomeric element expands the time, seat pole and supporting leg can follow folding coupling assembling activity, when elastomeric element is in compressed state, supporting leg and seat pole respectively with folding coupling assembling spacing butt, make folding seat is in folding fixed or expansion fixed state.

2. A foldable seating framework as defined in claim 1, wherein: the folding connecting assembly comprises an upper hinging seat for hinging and installing the sitting rod and a lower hinging seat for hinging and installing the supporting legs, wherein the upper hinging seat and the lower hinging seat are movably connected with each other through a connecting bearing, so that the sitting rod can rotate relative to the supporting legs.

3. A foldable seating framework as defined in claim 2, wherein: the lower hinge seat and the upper hinge seat are rotatably provided with a cover, the cover is covered on the lower hinge seat, a plurality of rotating inserting sheets matched with the number of the lower hinge grooves are formed at the upper end of the lower hinge seat, a plurality of limiting rotating grooves used for limiting rotation of the rotating inserting sheets are formed in the cover, a plurality of movable grooves corresponding to the lower hinge grooves are formed in the outer side of the cover, and when the cover rotates relative to the lower hinge seat in a limiting mode, the movable grooves can be communicated with the lower hinge grooves, so that the supporting legs can rotate up and down.

4. A foldable seating framework as defined in claim 2, wherein: a plurality of holding chambers are arranged in the lower hinging seat, the holding chambers are positioned on the inner sides of the lower hinging grooves, the upper ends of the holding chambers are isolated from the lower hinging grooves through rotating the inserting sheets, and the lower ends of the holding chambers are communicated with the lower hinging grooves.

5. A foldable seating framework as defined in claim 4, wherein: the protruding portion comprises a cap and a plug, the plug is arranged at the bottom of the pull rod, the cap is provided with the upper end of the pull rod, the elastic component comprises a first elastic portion and a second elastic portion, the first elastic portion is multiple and sequentially arranged in the corresponding upper hinge groove, when the pull rod is in a reset state, the first elastic portion is limited between the end portion of the seat rod and the cap, the second elastic portion is multiple and sequentially arranged in the accommodating cavity, and when the pull rod is in a reset state, the second elastic portion is limited between the end portion of the support leg and the plug.

6. A foldable seating framework as defined in claim 5, wherein: the first elastic part comprises an upper movable seat, a lug is formed by protruding upwards from the inner side of the upper movable seat, an upper spring is fixedly arranged on the lug, the upper spring is abutted to the inner wall of the cap, and a slot for limiting insertion of the cap along the opening is formed in the top of the upper movable seat.

7. The foldable seating framework of claim 6 wherein: the second elastic part comprises a sliding seat, the sliding seat is arranged in the accommodating cavity, a lower spring is arranged on the sliding seat, the free end of the lower spring is abutted to the rotating inserting piece, and the inner side end of the lower spring is abutted to the plug.

8. A foldable seating framework as defined in claim 7, wherein: the hinge end of the sitting rod is provided with a plurality of upper butt bulges, when the first elastic part is in a compressed state, the sitting rod is in butt joint with the first elastic part through the upper butt bulges, so that the sitting rod is in a stable unfolding or stable folding state, the hinge end of the supporting leg is provided with a plurality of lower butt bulges, when the second elastic part is in a compressed state, the supporting leg is in butt joint with the second elastic part through the lower butt bulges, so that the supporting leg is in a stable unfolding or stable folding state.

9. A foldable seating framework as defined in claim 1, wherein: the seat comprises at least two seat rod ends which are slidably provided with extension rods, so that the seat rods can be extended to form a backrest.

10. A foldable seat, characterized in that: comprising a seat cloth and the folding seat framework of any one of claims 1-9, wherein the seat cloth is laid on a seat rod of the folding seat framework, and the outer side end of the seat cloth is tied on the end parts of the seat rod and the extension rod, so that the seat framework forms a seat which can be seated.