CN220308735U - Integrated folding chair - Google Patents

Abstract

An integrative folding chair, its characterized in that: including seat cover, seat cover stay tube and supporting legs, the supporting legs is four that set up from beginning to end, and the upper end of four supporting legs is rotated through the connecting seat respectively and is connected, and the seat cover stay tube is four that correspond with the supporting legs, and the lower extreme of seat cover stay tube passes through the joint and rotationally installs on the lateral surface of supporting legs, and the upper end of seat cover stay tube is connected with the seat cover, and the seat cover stay tube is flexible pipe, and the lateral surface of supporting legs has the strip recess that supplies the seat cover stay tube to retract to fold the back to put into along length direction shaping. The folding type fishing rod has the advantages of simple and reasonable structure, light weight, convenient use and lower cost, greatly reduces the volume after folding and storage, is convenient to carry about, is attractive, and is suitable for occasions such as travel, camping and fishing in the open air.

Description

Integrated folding chair

Technical Field

The utility model relates to the technical field of daily necessities, in particular to an integrated folding chair.

Background

The chairs sold in the market at present are various in variety, the tissue structures of the backrest and the armrests are different in function, but the chairs are limited in application, generally have only the functions of the seat, are not strong in expansibility, and in order to be convenient to carry and save space, a plurality of foldable chairs are also present. The folding chair is a portable and stackable chair, is convenient to carry, saves space, and is classified into oxford and a plastic plate according to materials, wherein the oxford is more convenient to carry, and is a product frequently used for outdoor leisure at home. The oxford folding chair mainly comprises thickened steel pipes and oxford, wherein plastic spraying treatment is carried out on the surfaces of the steel pipes, rust prevention and attractiveness are achieved, technological mechanical treatment is carried out on important stressed parts, and bearing capacity is greatly improved. The oxford fabric specification is mainly 600D or 800D, and the service life and comfort level of the seat surface are improved.

Through examination, the prior Chinese patent No. CN201220256784.0, namely a folding chair, mainly comprises cloth, an inner connecting piece, a cross bracing tube, a back tube, an outer connecting piece, a base tube, a seat tube and a clamping seat; the seat tube is characterized in that the back tube and the seat tube are U-shaped tubes, the back tube and the seat tube are riveted, the seat tube is provided with a clamping seat, the seat tube is clamped in the clamping seat, a triangular supporting structure is formed by the back tube, the seat tube and the seat tube, and the clamping seat is provided with a plurality of clamping grooves, and different seat lying angles are realized by adjusting the clamping of the seat tube into different clamping grooves. The folding chair is convenient to use, but because the U-shaped pipe is adopted as the back pipe and the seat pipe, the folding chair has larger volume after folding and is not ideal to fold, store and carry about.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the integrated folding chair which is simple and reasonable in structure, light in weight and convenient to carry and store.

The technical scheme adopted for solving the technical problems is as follows: an integrative folding chair, its characterized in that: including seat cover, seat cover stay tube and supporting legs, the supporting legs is four that set up from beginning to end, and the upper end of four supporting legs is rotated through the connecting seat respectively and is connected, and the seat cover stay tube is four that correspond with the supporting legs, and the lower extreme of seat cover stay tube passes through the joint and rotationally installs on the lateral surface of supporting legs, and the upper end of seat cover stay tube is connected with the seat cover, and the seat cover stay tube is flexible pipe, and the lateral surface of supporting legs has the strip recess that supplies the seat cover stay tube to retract to fold the back to put into along length direction shaping.

Further, the supporting leg adopts the cross section to be the metal pipe fitting structure of U-shaped, and the connecting seat is cross massive structure, and the lower extreme four corners position shaping of connecting seat has the upper end that supplies the supporting leg to insert and spacing pivoted connection notch, connects the setting in the bar recess of the upper end lateral surface of supporting leg, and the connecting hole has been seted up respectively to the upper end of joint and supporting leg, and the through-hole that corresponds has been seted up to the both sides of the connection notch of connecting seat, and the upper end and the connecting seat hinge of joint and supporting leg are fixed through first rivet.

Still further, the middle part of the outside noodless shape recess of supporting legs is equipped with upwards bellying along length direction, and the medial surface shaping of joint has corresponding concave surface, and the lower extreme shaping of joint has the lower extreme that supplies the seat cover stay tube to insert and pivoted U-shaped opening, and through-hole has been seted up to U-shaped open-ended both sides, and the supporting legs upper bellying is equipped with corresponding through-hole, and the lower extreme of seat cover stay tube inserts in the U-shaped opening of joint, links together the supporting legs, joint and the articulated lower extreme of pedestal stay tube through the second rivet.

Further, the seat cover support tube is divided into two front support tubes and two rear support tubes, wherein the front support tubes are telescopic two-section tubes formed by connecting a front first support tube and a front second support tube, and when the rear support tube is connected by a rear first support tube, a rear second support tube and a rear third support tube, the front second support tube and the rear second support tube are telescopic sleeved in the respective front first support tube and the rear first support tube, the rear third support tube is telescopic sleeved in the rear second support tube, the length of the rear support tube is consistent with that of the front support tube when in a retracted state, and the length of the rear support tube is larger than that of the front support tube when in an extended state.

Still further, first stay tube, around second stay tube and back third stay tube around adopt hollow tubular metal resonator, wherein around the first stay tube's of lower extreme is fixed with the connecting block as chock plug and connecting piece, and the upper end of connecting block is fixed to be inlayed in first stay tube around, and the lower extreme of connecting block is the arc piece of being convenient for rotate, has seted up the connecting hole on the arc piece, and the lower extreme of connecting block is inserted in the joint, rotates with joint, supporting legs through the second rivet and is connected.

Still further, the upper ends of the front and rear first support tubes are provided with first jackets, the lower ends of the front and rear second support tubes are provided with tube plugs, wherein the upper ends of the front second support tubes of the front support tubes are provided with caps, and the caps are fixed with the front second support tubes through third rivets; the upper end of the rear second support tube of the rear support tube is provided with a second sheath, the lower end of the rear third support tube is provided with a tube plug, the upper end of the rear third support tube is provided with a cap, the cap is fixed with the rear third support tube through a third rivet, and a spring buckle for telescopic positioning is arranged between the front first support tube and the front second support tube, between the rear first support tube and the rear second support tube and between the rear second support tube and the rear third support tube.

Preferably, the spring buckle is a U-shaped elastic piece, the end part of the spring buckle is convexly provided with a pin, the inner walls of the lower ends of the front and rear second support tubes are provided with positioning grooves for the spring buckle to be inserted, one side of the lower ends of the front and rear second support tubes is provided with a round hole for the pin to extend out, and correspondingly, one side of the upper ends of the front and rear first support tubes is provided with a positioning hole for the pin to be inserted, and when the front and rear second support tubes are stretched in place, the pin through the spring buckle is inserted into the respective positioning holes of the front and rear first support tubes to be positioned; the positioning structure between the third support tube and the second support tube is consistent with the above.

Further, the lower end of the supporting leg is sleeved with a leg sleeve for increasing friction force.

Still further, the foot cover presents U-shaped cross section to form the bayonet socket that can block seat cover stay tube in opening part.

Finally, the seat cover is made of cloth or leather, the seat cover is of a bucket-shaped structure consisting of a seat surface, a backrest surface and left and right side surfaces, wherein the seat surface and the backrest surface are integrated, the left and right side surfaces are triangular, two sides of the triangle are fixedly connected with the seat surface and the backrest surface to form handrails, connecting sleeves for inserting the upper ends of seat cover supporting tubes are arranged at four corners of the lower end surface of the seat cover, a storage bag convenient to store and handles distributed on corners are arranged on one side of the lower edge of the seat cover, and female and male buckles are arranged at the upper edge and the lower edge of the seat cover.

Compared with the prior art, the utility model has the advantages that: the cloth or the leather is adopted as the seat cover, so that the seat cover is firm, firm and light, and meanwhile, the storage bag is arranged, so that the seat cover is convenient to store and carry; the supporting legs and the seat sleeve supporting tubes are made of metal tubes, so that the structure is firm; the seat sleeve supporting tube adopts the flexible pipe, and convenient operation inserts the flexible pipe in the bar recess of supporting legs after the indentation when needs accomodate for the volume reduces greatly. The folding type fishing rod has the advantages of simple and reasonable structure, light weight, convenient use and lower cost, greatly reduces the volume after folding and storage, is convenient to carry about, is attractive, and is suitable for occasions such as travel, camping and fishing in the open air.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a chair frame according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another embodiment of the present utility model;

FIG. 3 is an exploded view of a chair frame according to an embodiment of the present utility model;

FIG. 4 is an exploded view of another embodiment of a chair frame;

FIG. 5 is a schematic view of a seat cover according to an embodiment of the present utility model;

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 5, an integrated folding chair comprises a seat cover 7, seat cover supporting tubes a and supporting legs 1, wherein the seat cover 7 is made of oxford, the supporting legs 1 are four in front, back, left and right, the upper ends of the four supporting legs 1 are respectively connected in a rotating way through connecting seats 4, the seat cover supporting tubes a are four corresponding to the supporting legs 1, the lower ends of the seat cover supporting tubes a are rotatably arranged on the outer side surfaces of the supporting legs 1 through connectors 5, the upper ends of the seat cover supporting tubes a are connected with the seat cover 7, the seat cover supporting tubes a are telescopic tubes, and strip-shaped grooves 11 for retracting and folding the seat cover supporting tubes a are formed on the outer side surfaces of the supporting legs 1 along the length direction.

The concrete structure is as follows: the supporting legs 1 are of rod-shaped structures with U-shaped cross sections and formed by pressing steel pipes, the connecting seats 4 are of cross-shaped disc block structures, connecting notches 41 for inserting and limiting rotation of the upper ends of the supporting legs 1 are formed in four corners of the lower ends of the connecting seats 4, the joints 5 are arranged in the strip-shaped grooves 11 on the outer side faces of the upper ends of the supporting legs 1, connecting holes 52 and 12 are respectively formed in the joints 5 and the upper ends of the supporting legs 1, corresponding through holes 42 are formed in the two sides of the connecting notches 41 of the connecting seats 4, the upper ends of the joints 5 and the supporting legs 1 are hinged and fixed with the connecting seats 4 through first rivets b, and therefore the supporting legs 1 can be unfolded or folded. The middle part of the outside noodle-shaped groove 11 of the supporting leg 1 is provided with an upward protruding part along the length direction, the inner side surface of the joint 5 is provided with a corresponding concave surface, the lower end of the joint 5 is provided with a U-shaped opening 51 for inserting and rotating the lower end of the seat cover supporting tube A, the two sides of the U-shaped opening 51 are provided with through holes 53, the protruding part of the supporting leg 1 is provided with a corresponding through hole 13, the lower end of the seat cover supporting tube A is inserted in the U-shaped opening 51 of the joint 5, and the supporting leg 1, the joint 5 and the lower end of the seat body supporting tube A are rotatably connected together through a second rivet c. The seat cover support tube A is divided into two front support tubes 2 and two rear support tubes 3, wherein the front support tubes 2 are telescopic two-joint tubes formed by connecting a front first support tube 21 and a front second support tube 22, the rear support tubes 3 are telescopic three-joint tubes formed by connecting a rear first support tube 31, a rear second support tube 32 and a rear third support tube 33, the front second support tube 22 and the rear second support tube 32 are telescopic sleeved in the respective front first support tube 21 and rear first support tube 31, the rear third support tube 33 is telescopic sleeved in the rear second support tube 32, and the corresponding front first support tube 21 and rear first support tube 31 and front second support tube 22 and rear second support tube 32 on the front support tube 2 and the two rear support tubes 3 are identical in structural size, so that in a retracted state, the length of the rear support tube 3 is identical with that of the front support tube 2, and in an extended state, the length of the rear support tube 3 is larger than that of the front support tube 2 so as to form a back skeleton.

The front first support tube 21, the rear first support tube 32, the front second support tube 22, the rear second support tube 32 and the rear third support tube 33 are hollow steel tubes, wherein connecting blocks a serving as plugs and connecting pieces are fixedly arranged at the lower ends of the front first support tube 21 and the rear first support tube 31, the upper ends of the connecting blocks a are fixedly embedded in the front first support tube 21 and the rear first support tube 31, the lower ends of the connecting blocks a are arc-shaped blocks convenient to rotate, connecting holes a1 are formed in the arc-shaped blocks, the lower ends of the connecting blocks a are inserted into U-shaped openings of the connectors 5, and the connecting blocks are rotatably connected with the connectors 5 and the supporting legs 1 through second rivets c.

The upper ends of the front first support tube 21 and the rear first support tube 31 are respectively provided with first jackets 211 and 311, the lower ends of the front second support tube 22 and the rear second support tube 32 are respectively provided with tube plugs 221 and 321, wherein the upper end of the front second support tube 22 of the front support tube 2 is provided with a cap 220, and the cap 220 is fixed with the front second support tube 22 through a third rivet d. The upper end of the rear second support tube 32 of the rear support tube 3 is provided with a second sheath 322, the lower end of the rear third support tube 33 is provided with a tube plug 331, the upper end of the rear third support tube 33 is provided with a cap 330, the cap 33 is fixed with the rear third support tube 33 through a third rivet d, and a spring fastener 6 for telescopic positioning is arranged between the front first support tube 21 and the front second support tube 22, between the rear first support tube 31 and the rear second support tube 32 and between the rear second support tube 32 and the rear third support tube 33.

The spring fastener 6 is a U-shaped elastic piece, the end part of the spring fastener 6 is convexly provided with a pin 61, positioning grooves for placing the spring fastener 6 are formed on the inner walls of the lower ends of the front second support tube 22 and the rear second support tube 32, round holes 222 for extending the pin 61 are formed on one sides of the lower ends of the front second support tube 22 and the rear second support tube 32, corresponding positioning holes 212 for inserting the pin 61 are formed on one sides of the upper ends of the front first support tube 21 and the rear first support tube 31, and when the front second support tube 22 and the rear second support tube 32 are stretched in place, the pins 61 of the spring fastener 6 are inserted into the positioning holes 212 of the front first support tube 21 and the rear first support tube 31 for positioning; the positioning structure between the rear third support tube 33 and the rear second support tube 22 of the two rear support tubes 3 is identical to that described above, and of course, the telescopic tube can be contracted by reverse compression. In addition, telescopic guide structures are provided between the inner walls of the front first support tube 21 and the rear first support tube 31 and the outer walls of the front second support tube 22 and the rear second support tube 32, and between the inner walls of the rear second support tube 32 and the outer walls of the rear third support tube 33.

In order to increase the stability of the chair, a foot sleeve 10 for increasing friction force is sleeved at the lower end of the supporting foot 1, and the foot sleeve 10 presents a U-shaped section, so that a bayonet 101 for clamping the seat sleeve supporting tube A is formed at the opening.

The seat cover 7 is a bucket-shaped structure consisting of a seat surface 71, a backrest surface 72 and left and right side surfaces 73, wherein the seat surface 71 and the backrest surface 72 are integrated, the left and right side surfaces 73 and 74 are triangular, two sides of the triangle are fixedly connected with the seat surface 71 and the backrest surface 72 to form handrails, connecting sleeves 75 for inserting the upper ends of seat cover supporting tubes A are arranged at four corners of the lower end surface of the seat cover 7, the connecting sleeves 75 can be riveted with the end parts of the seat cover supporting tubes A through rivets, a containing bag 76 convenient to contain and handles 77 distributed on corners are arranged on one side of the lower edge of the seat cover 7, and a male buckle 78 is arranged at the upper edge and the lower edge of the seat cover 7 to facilitate bundling of the folding chair, so that the folding chair is convenient to travel and carry.

When the support leg is used, the support leg 1 is unfolded, the seat sleeve support pipe A is rotated upwards and stretched for positioning, the seat sleeve 7 is taken out and sleeved on the seat sleeve support pipe A, so that a person can sit on the support leg, and the included angle between the seat sleeve support pipe and the support leg 1 is about 90 degrees in a use state; when the seat cover 7 is needed to be stored after being used, the seat cover supporting tube A is separated, then the seat cover supporting tube A is folded down by 90 degrees, the seat cover supporting tube A is folded and placed into the strip-shaped groove 11 of the supporting leg 1, then the supporting leg 1 is folded, and finally the four folded supporting legs 1 are bundled up through the female buckle 78 on the seat cover 7.

The volume is greatly reduced after the storage of the embodiment, and the portable storage device is light in weight, convenient to use and convenient to carry.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. An integrative folding chair, its characterized in that: including seat cover, seat cover stay tube and supporting legs, the supporting legs is four that set up from beginning to end, and the upper end of four supporting legs is rotated through the connecting seat respectively and is connected, and the seat cover stay tube is four that correspond with the supporting legs, and the lower extreme of seat cover stay tube passes through the joint and rotationally installs on the lateral surface of supporting legs, and the upper end of seat cover stay tube is connected with the seat cover, and the seat cover stay tube is flexible pipe, and the lateral surface of supporting legs has the strip recess that supplies the seat cover stay tube to retract to fold the back to put into along length direction shaping.

2. The all-in-one folding chair as in claim 1, wherein: the supporting leg is a metal pipe fitting structure with a U-shaped cross section, the connecting seat is of a cross-shaped block structure, the four corners of the lower end of the connecting seat are provided with connecting notches for inserting and limiting rotation of the upper end of the supporting leg, the connector is arranged in a strip-shaped groove on the outer side face of the upper end of the supporting leg, connecting holes are respectively formed in the upper ends of the connector and the supporting leg, corresponding through holes are formed in two sides of the connecting notch of the connecting seat, and the upper ends of the connector and the supporting leg are hinged and fixed with the connecting seat through first rivets.

3. The all-in-one folding chair as in claim 2, wherein: the middle part of the outside noodless recess of supporting legs is equipped with upwards bellying along length direction, and the medial surface shaping of joint has corresponding concave surface, and the lower extreme shaping of joint has the U-shaped opening that supplies the lower extreme of seat cover stay tube to insert and rotate, and the through-hole has been seted up to U-shaped open-ended both sides, and the supporting legs upper lobe is equipped with corresponding through-hole, and the lower extreme of seat cover stay tube inserts in the U-shaped opening of joint, articulates the supporting legs, joint and the lower extreme of pedestal stay tube together through the second rivet.

4. A one-piece folding chair as claimed in claim 3, wherein: the seat cover support tube is divided into two front support tubes and two rear support tubes, wherein the front support tubes are telescopic two-section tubes formed by connecting a front first support tube and a front second support tube, and when the rear support tube is connected by a rear first support tube, a rear second support tube and a rear third support tube, the front second support tube and the rear second support tube are telescopic sleeved in the respective front first support tube and the rear first support tube, the rear third support tube is telescopic sleeved in the rear second support tube, the length of the rear support tube is consistent with that of the front support tube when in a retracted state, and the length of the rear support tube is larger than that of the front support tube when in an extended state.

5. The integrated folding chair as in claim 4, wherein: the first stay tube around, around second stay tube and back third stay tube adopt hollow tubular metal resonator, and wherein the fixed connecting block that is plug and connecting piece that is equipped with of lower extreme of first stay tube around, the upper end of connecting block is fixed to be inlayed in first stay tube around, and the lower extreme of connecting block is the arc piece of being convenient for rotate, has seted up the connecting hole on the arc piece, and the lower extreme of connecting block inserts in the joint, rotates with joint, supporting legs through the second rivet and is connected.

6. The integrated folding chair as in claim 5, wherein: the upper ends of the front and rear first support tubes are provided with first jackets, the lower ends of the front and rear second support tubes are provided with tube plugs, the upper ends of the front second support tubes of the front support tubes are provided with caps, and the caps are fixed with the front second support tubes through third rivets; the upper end of the rear second support tube of the rear support tube is provided with a second sheath, the lower end of the rear third support tube is provided with a tube plug, the upper end of the rear third support tube is provided with a cap, the cap is fixed with the rear third support tube through a third rivet, and a spring buckle for telescopic positioning is arranged between the front first support tube and the front second support tube, between the rear first support tube and the rear second support tube and between the rear second support tube and the rear third support tube.

7. The all-in-one folding chair as in claim 6, wherein: the spring buckle is a U-shaped elastic piece, a pin is convexly arranged at the end part of the spring buckle, positioning grooves for the spring buckle to be placed are formed in the inner walls of the lower ends of the front and rear second supporting tubes, round holes for the pin to extend out are formed in one side of the lower ends of the front and rear second supporting tubes, corresponding positioning holes for the pin to be inserted are formed in one side of the upper ends of the front and rear first supporting tubes, and when the front and rear second supporting tubes are stretched in place, the pins of the spring buckle are inserted into the respective positioning holes of the front and rear first supporting tubes for positioning; the positioning structure between the third support tube and the second support tube is consistent with the above.

8. The all-in-one folding chair as claimed in any one of claims 1 to 7, wherein: the lower end of the supporting leg is sleeved with a leg sleeve for increasing friction force.

9. The all-in-one folding chair as in claim 8, wherein: the foot sleeve is in a U-shaped section, so that a bayonet capable of clamping the seat sleeve supporting tube is formed at the opening.

10. The all-in-one folding chair as claimed in any one of claims 1 to 7, wherein: the seat cover is made of cloth or leather, the seat cover is of a bucket-shaped structure consisting of a seat surface, a backrest surface and left and right side surfaces, the seat surface and the backrest surface are integrated, the left and right side surfaces are triangular, two sides of the triangle are fixedly connected with the seat surface and the backrest surface to form handrails, connecting sleeves for inserting the upper ends of seat cover supporting tubes are arranged at four corners of the lower end surface of the seat cover, a storage bag convenient to store and handles distributed on corners are arranged on one side of the lower edge of the seat cover, and female and male buckles are arranged at the upper edge and the lower edge of the seat cover.