CN210130606U

CN210130606U - Folding chair

Info

Publication number: CN210130606U
Application number: CN201920886132.7U
Authority: CN
Inventors: 周晓峰
Original assignee: FOSHAN SHIJING TOURISM PRODUCTS Co Ltd
Current assignee: FOSHAN SHIJING TOURISM PRODUCTS Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-03-10
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a folding chair, the upper end of flexible front leg articulates in the upper end of back leg, the middle part of back leg articulates in the upper end of back branch down, the lower extreme of going up back branch articulates in the upper end of back branch down, the both ends of one side of front fork arm subassembly articulate respectively in the lower extreme and the middle part of flexible front leg, the one end of adjusting strut articulates in the upper end of back branch up, the upper end of flexible branch articulates in the other end of adjusting strut, the lower extreme of flexible branch articulates in the middle and lower part of back leg, the both ends of one side of back fork arm subassembly articulate respectively in the upper end and the lower extreme of flexible branch; the rear end of the adjusting armrest is hinged with the middle lower part of the upper backrest support rod, the bottom of the adjusting armrest is provided with an adjusting groove, and a plurality of gears are arranged in the adjusting groove; the upper ends of the rear legs are provided with sliding shafts which slide back and forth in the adjusting grooves, and when the sliding shafts are clamped at different gears, the angles between the upper backrest support rod and the riding support rod are different; the utility model discloses a folding chair has the advantage of adjustable back angle.

Description

Folding chair

Technical Field

The utility model relates to a technical field of travel supplies especially relates to a folding chair.

Background

With the continuous improvement of the life quality of people, people need to go out to camp on vacations frequently in idle life after work, the folding chair is necessary equipment for camping vacations, and the folding chair can be folded to form a small storage space and is convenient to carry. However, the existing folding chair has single function, the backrest of the folding chair cannot be adjusted after the folding chair is unfolded, and the riding comfort is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding chair to solve the above-mentioned problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a folding chair comprises a telescopic front leg, a rear leg, an upper backrest support rod, a lower backrest support rod, a front fork rod assembly, a rear fork rod assembly, a riding support rod, a telescopic support rod, an adjusting support rod and an adjusting armrest;

the lower ends of the telescopic front legs are hinged to the lower end of the lower backrest support rod, the upper ends of the telescopic front legs are hinged to the upper ends of the rear legs, the middle parts of the rear legs are hinged to the upper end of the lower backrest support rod, the lower ends of the upper backrest support rod are hinged to the upper end of the lower backrest support rod, the two ends of one side of the front fork rod assembly are hinged to the lower end and the middle part of the telescopic front legs respectively, one end of the adjusting support rod is hinged to the upper end of the upper backrest support rod, the upper end of the telescopic support rod is hinged to the other end of the adjusting support rod, the lower end of the telescopic support rod is hinged to the middle lower part of the rear legs, and the two ends of one side of the rear fork rod assembly are hinged to; the rear end of the riding support rod is hinged to the upper end of the lower backrest support rod, and the middle part of the riding support rod is hinged to the middle part of the telescopic front leg;

the rear end of the adjusting armrest is hinged with the middle lower part of the upper backrest support rod, an adjusting groove is formed in the bottom of the adjusting armrest, and a plurality of gears are arranged in the adjusting groove; the upper ends of the rear legs are provided with sliding shafts which slide back and forth in the adjusting grooves, and when the sliding shafts are clamped at different gears, the angles between the upper backrest support rod and the riding support rod are different.

Preferably, the rear fork assembly further comprises a locking buckle, the locking buckle is arranged between two ends of the upper side of the rear fork assembly, and the locking buckle changes between tensioning and loosening of the rear fork assembly.

Preferably, the locking buckle comprises a first locking rod and a second locking rod, the first locking rod and the second locking rod are both arc-shaped rods, a first locking pin is arranged on the first locking rod, a second locking pin is arranged on the second locking rod, one end of the first locking rod is hinged with one end of the second locking rod, and the other end of the first locking rod and the other end of the second locking rod are horizontally hinged between two ends of the upper side of the rear fork rod assembly;

when the locking buckle is pressed downwards, the first locking rod and the second locking rod tension the rear fork rod assembly, a hinge point of the first locking rod and the second locking rod is lower than a connecting line of the other end of the first locking rod and the other end of the second locking rod, the first locking pin abuts against the second locking rod, and the second locking pin abuts against the first locking rod.

Preferably, the telescopic front legs comprise front leg outer rods and front leg inner rods, the front leg outer rods are sleeved on the outer sides of the front leg inner rods, and the lower ends of the lower backrest support rods are hinged to the front leg inner rods of the telescopic front legs; one end of the rear leg and the middle part of the riding support rod are hinged with a front leg outer rod of the telescopic front leg; and two ends of one side of the front fork rod assembly are respectively hinged to the front leg outer rod and the front leg inner rod.

Preferably, the front leg inner rod of the telescopic front leg comprises a front leg inner rod body and a top seat, the front leg inner rod body is sleeved with the top seat, and the top seat is arranged at the lower end of the telescopic front leg; the lower end of the lower backrest support rod is hinged to the top seat of the telescopic front leg.

Preferably, the telescopic supporting rod comprises a telescopic outer rod and a telescopic inner rod, the telescopic outer rod is sleeved outside the telescopic inner rod, the upper end of the telescopic outer rod is provided with a buffer seat, the other end of the adjusting supporting rod is hinged to the telescopic inner rod of the telescopic supporting rod, and the middle lower part of the rear leg supporting rod is hinged to the telescopic outer rod of the telescopic supporting rod; and two ends of one side of the rear fork rod assembly are respectively hinged with the telescopic outer rod and the telescopic inner rod.

Preferably, a circular cup hole is formed in the front end of the adjusting armrest, a cup holder is arranged below the circular cup hole of the adjusting armrest, the cup holder is made of soft plastic, and the bottom surface of the cup holder is hollow.

Preferably, a side storage bag and a back net bag are further arranged, the side storage bag is provided with a magic buckle, and the side storage bag is mounted on the adjusting groove through the magic buckle; the stool surface and the back of the folding chair are wrapped by canvas, and the back net bag is arranged on the back of the folding chair.

Preferably, the front leg outer rod comprises a front leg outer rod body and loading hardware, the loading hardware is arranged in the middle of the front leg outer rod body, the loading hardware comprises a hardware body, a front fork hinge part and a riding hinge part, and the riding hinge part is arranged at one end of the hardware body; the front fork hinge part is arranged on one side of the near end part of one end of the hardware body and extends outwards;

the riding strut is hinged to the riding hinge of the loading hardware and the two ends of the front fork lever assembly are hinged to the front fork hinge of the loading hardware.

Preferably, the backrest connecting piece is of a door-shaped structure, the lower end of the backrest connecting piece is fixed on the front surface of the upper end of the lower backrest support rod, and the lower end of the upper backrest support rod is hinged to the upper end of the backrest connecting piece.

The utility model has the advantages that: 1. the adjustable armrests are arranged, so that the riding comfort of the folding chair is greatly improved; 2. the folded adjustable armrests can not increase the volume of the folding chair, and are convenient to store and carry; 3. the backrest angle of the folding chair can be adjusted by pulling the adjusting armrests, and the operation is extremely simple and convenient; 4. the design of the folding chair accords with the human engineering, and the riding is comfortable; 5. the folding chair is very simple and convenient to fold and unfold.

Drawings

The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.

FIG. 1 is a schematic diagram of one embodiment of the present invention;

FIG. 2 is a schematic view of another aspect of one embodiment of the present invention;

fig. 3 is a schematic view of a contracted state of one embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of one embodiment of the present invention;

FIG. 5 is a schematic diagram of loading hardware according to one embodiment of the present invention;

fig. 6 is a partial enlarged view of one embodiment of the present invention.

In the drawings: 10-telescopic front leg, 101-front leg outer rod, 1013-hardware body, 1014-front fork articulated part, 1015-riding articulated part, 102-front leg inner rod, 1021-front leg inner rod body, 1022-footstock, 20-rear leg, 201-sliding shaft, 30-upper backrest strut, 40-lower backrest strut, 50-front fork rod component, 60-rear fork rod component, 70-riding strut, 80-telescopic strut, 801-telescopic outer rod, 802-telescopic inner rod, 803-buffer seat, 90-adjusting strut, 11-adjusting armrest, 111-adjusting groove, 112-circular cup hole, 113-cup holder, 12-locking buckle, 121-first locking rod, 122-second locking rod, 123-first locking pin, 124-second locking pin, 13-backrest connection.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

A folding chair of the present embodiment, as shown in fig. 1 to 6, comprises a telescopic front leg 10, a rear leg 20, an upper back support bar 30, a lower back support bar 40, a front fork assembly 50, a rear fork assembly 60, a seating support bar 70, a telescopic support bar 80, an adjusting support bar 90 and an adjusting armrest 11;

the lower end of the front telescopic leg 10 is hinged to the lower end of the lower backrest support rod 40, the upper end of the front telescopic leg 10 is hinged to the upper end of the rear leg 20, the middle of the rear leg 20 is hinged to the upper end of the lower backrest support rod 40, the lower end of the upper backrest support rod 30 is hinged to the upper end of the lower backrest support rod 40, two ends of one side of the front fork rod assembly 50 are respectively hinged to the lower end and the middle of the front telescopic leg 10, one end of the adjusting support rod 90 is hinged to the upper end of the upper backrest support rod 30, the upper end of the telescopic support rod 80 is hinged to the other end of the adjusting support rod 90, the lower end of the telescopic support rod 80 is hinged to the middle lower portion of the rear leg 20, and two ends of one side of the rear fork rod assembly 60 are respectively hinged to the upper end and the lower; the rear end of the riding strut 70 is hinged with the upper end of the lower backrest strut 40, and the middle part of the riding strut 70 is hinged with the middle part of the telescopic front leg 10;

the rear end of the adjusting armrest 11 is hinged to the middle lower part of the upper backrest support rod 30, an adjusting groove 111 is formed in the bottom of the adjusting armrest 11, and a plurality of gears are arranged in the adjusting groove 111; the upper ends of the rear legs 20 are provided with sliding shafts 201, the sliding shafts 201 slide back and forth in the adjusting grooves 111, and when the sliding shafts 201 are clamped in different gears, the angles between the upper backrest support rod 30 and the riding support rod 70 are different.

When the folding chair of the embodiment is contracted to be unfolded, the telescopic front leg 10 and the telescopic strut 80 are gradually contracted to be in the shortest state from the longest state, the front fork rod assembly 50 and the rear fork rod assembly 60 are also gradually unfolded to be in an X shape, the front fork rod assembly 50 and the rear fork rod assembly 60 are used for pulling the telescopic front leg 10, the rear leg 20, the upper backrest strut 30, the lower backrest strut 40 and the telescopic strut 80 on the left side and the right side of the folding chair, and the X-shaped front fork rod assembly 50 and the rear fork rod assembly 60 form a plurality of triangular structures, so that the structure of the folding chair is very stable, and the rear leg 20, the upper backrest strut 30 and the lower backrest strut 40 are also gradually unfolded to be in an X shape from the contracted state; after the folding chair is unfolded, the adjusting armrest 11 is pulled to enable the sliding shaft 201 to be clamped in different gears of the adjusting groove 111, the angle of the upper backrest support rod 30 can be adjusted, and at the moment, the telescopic support rod 80 is extended or shortened along with the adjustment of the adjusting armrest, so that the unfolding angle of the rear fork assembly is kept unchanged, the width of the folding chair is kept unchanged, and the folding chair is comfortable to sit.

When the folding chair is unfolded and contracted, only two of the four end corners of the folding chair are exerted with inward contraction acting force, so that the folding chair can be contracted, and when the folding chair is contracted, the telescopic front legs 10 and the telescopic supporting rods 80 are slowly increased, so that the folding chair of the embodiment can be easily opened and contracted, and the operation is extremely simple and convenient.

The rear fork assembly 60 is characterized by further comprising a locking buckle 12, wherein the locking buckle 12 is arranged between two ends of the upper side of the rear fork assembly 60, and the locking buckle 12 changes between tensioning and loosening of the rear fork assembly 60.

When the folding chair is used, the stool surface can be forced downwards, and then the sitting support rod 70 and the upper backrest support rod 30 are pulled to contract inwards, so that the width of the folding chair is narrowed, and the comfort level of sitting is influenced; the locking buckle 12 can tension the rear fork rod assembly 60 to keep the rear fork rod assembly 60 in the unfolded state, so that the folding chair cannot be retracted inwards due to the stress of the chair surface when the folding chair is seated, and the seating comfort is obviously improved.

The locking buckle 12 comprises a first locking rod 121 and a second locking rod 122, the first locking rod 121 and the second locking rod 122 are both arc-shaped rods, a first locking pin 123 is arranged on the first locking rod 121, a second locking pin 124 is arranged on the second locking rod 122, one end of the first locking rod 121 is hinged to one end of the second locking rod 122, and the other end of the first locking rod 121 and the other end of the second locking rod 122 are horizontally hinged between two ends of the upper side of the rear fork lever assembly 60;

when the locking buckle 12 is pressed down, the first locking rod 121 and the second locking rod 122 tension the rear fork assembly 60, a hinge point of the first locking rod 121 and the second locking rod 122 is lower than a connecting line of the other end of the first locking rod 121 and the other end of the second locking rod 122, the first locking pin 123 abuts against the second locking rod 122, and the second locking pin 124 abuts against the first locking rod 121.

When the locking buckle 12 is pressed downwards, the rear fork rod assembly 60 is unfolded outwards, when the hinge point of the first locking rod 121 and the second locking rod 122 is on the connecting line of the other end of the first locking rod 121 and the other end of the second locking rod 122, the locking buckle 12 unfolds the rear fork rod assembly 60 to the maximum, continues to press the locking buckle 12 downwards, and passes down the line connecting the other end of the first lock lever 121 with the other end of the second lock lever 122, the rear fork link assembly 60 begins to contract inwardly, then the first locking pin 123 abuts against the second locking rod 122, the second locking pin 124 abuts against the first locking rod 121, at this time, the locking buckle 12 prevents the rear fork rod assembly 60 from further contracting inwards, so that the rear fork rod assembly 60 is kept at a certain angle, self-locking is realized, at this time, the folding chair sits on the chair seat, the force of the inward contraction of the folding chair acts on the first locking pin 123 and the second locking pin 124, and the width of the folding chair can be kept unchanged; when the folding chair needs to be retracted, the locking buckle 12 is only required to be lifted upwards, the hinge point of the first locking rod 121 and the second locking rod 122 is higher than the connecting line of the other end of the first locking rod 121 and the other end of the second locking rod 122, and then inward retracting acting force is applied to two of the four end corners of the folding chair, so that the folding chair can be retracted.

The telescopic front leg 10 comprises a front leg outer rod 101 and a front leg inner rod 102, the front leg outer rod 101 is sleeved outside the front leg inner rod 102, and the lower end of the lower backrest strut 40 is hinged to the front leg inner rod 102 of the telescopic front leg 10; one end of the rear leg 20 and the middle part of the riding strut 70 are hinged with a front leg outer rod 101 of the telescopic front leg 10; two ends of one side of the front fork rod assembly 50 are respectively hinged to the front leg outer rod 101 and the front leg inner rod 102.

With the arrangement, the front leg outer rod 101 wraps the front leg inner rod 102, so that the folding chair is attractive in appearance, and the problem that fingers of a user are easily pinched when the telescopic rod stretches is avoided.

The front leg inner rod 102 of the telescopic front leg 10 comprises a front leg inner rod body 1021 and a top seat 1022, the front leg inner rod body 1021 is sleeved with the top seat 1022, and the top seat 1022 is arranged at the lower end of the telescopic front leg 10; the lower end of the lower back support bar 40 is hinged to the top seat 1022 of the front telescopic leg 10.

Set up footstock 1022 and can be when the folding chair expandes completely, the tip of outer pole 101 of front leg is supported, as one of them important bearing member of folding chair for outer pole 101 of front leg need not direct and ground contact, avoid bringing the subaerial foreign matter into between outer pole 101 of front leg and the pole 102 in the front leg, and two tip of footstock 1022 can set up soft material such as callus on the sole, can let its and ground and the tip of outer pole 101 of front leg carry out soft contact, increase the life of part.

The telescopic strut 80 comprises a telescopic outer rod 801 and a telescopic inner rod 802, the telescopic outer rod 801 is sleeved outside the telescopic inner rod 802, the upper end of the telescopic outer rod 801 is provided with a buffer seat 803, the other end of the adjusting strut 90 is hinged to the telescopic inner rod 802 of the telescopic strut 80, and the middle lower part of the strut of the rear leg 20 is hinged to the telescopic outer rod 801 of the telescopic strut 80; two ends of one side of the rear fork rod assembly 60 are respectively hinged to the telescopic outer rod 801 and the telescopic inner rod 802.

This arrangement can prevent the outer telescopic rod 801 and the inner telescopic rod 802 from generating a loud impact sound when the outer telescopic rod and the inner telescopic rod 802 are retracted to the minimum length when the angle of the upper back support rod 30 is adjusted.

The front end of the adjusting armrest 11 is provided with a circular cup hole 112, the adjusting armrest 11 is provided with a cup holder 113 below the circular cup hole 112, the cup holder 113 is made of soft plastic, and the bottom surface of the cup holder 113 is hollowed.

The round cup holes 112 and the cup holders 113 can be used for placing a water cup or a beverage bottle on the adjusting handrail 11, and the hollow parts are arranged at the bottom of the adjusting handrail, so that water can be drained away when the placed objects leak, and the adjusting handrail is convenient to clean.

A side storage bag and a back net bag (not shown in the figure) are also arranged, the side storage bag is provided with a magic buckle, and the side storage bag is arranged on the adjusting groove 111 through the magic buckle; the stool surface and the back of the folding chair are wrapped by canvas, and the back net bag is arranged on the back of the folding chair.

So set up, can not influence its storage area and weight after the shrink folding when increasing the storing function of folding chair.

The front leg outer rod 101 comprises a front leg outer rod body and loading hardware, the loading hardware is arranged in the middle of the front leg outer rod body, the loading hardware comprises a hardware body 1013, a front fork hinge 1014 and a sitting hinge 1015, and the sitting hinge 1015 is arranged at one end of the hardware body 1013; the front fork hinge 1014 is provided on one side of the proximal end portion of one end of the hardware body 1013, and extends outward;

the seating strut 70 is hinged to the loading hardware seating hinge 1015 and the front fork lever assembly 50 is hinged at both ends to the loading hardware front fork hinge 1014.

Therefore, the riding support rod 70 and the front fork rod assembly 50 can be respectively hinged on the loading hardware of the front leg outer rod 101, on one hand, the phenomenon that the strength of the front leg outer rod body is reduced due to the fact that the assembly is installed on the front leg outer rod body in a punching mode is avoided, on the other hand, the processing difficulty is reduced, the processing precision is improved, only the loading hardware which is generated in batches is needed to be installed on the front leg outer rod body, and the working procedures such as manual drilling and the like do not need to be carried out on the front leg outer rod body; preferably, the other end of loading hardware is provided with fixing through hole, it also is provided with articulated through hole to take articulated portion 1015, the loading hardware adopts modes such as screw or rivet, fixes the outer wall at the middle part of preceding leg outer boom body through fixing through hole and articulated through hole.

The backrest connecting piece 13 is of a door-shaped structure, the lower end of the backrest connecting piece 13 is fixed on the front surface of the upper end of the lower backrest support rod 40, and the lower end of the upper backrest support rod 30 is hinged to the near end of the upper end of the backrest connecting piece 13.

When the folding chair is opened, the sliding shaft 201 is not clamped in the gear of the adjusting groove 111 at the moment, the upper backrest support rod 30 is easy to topple forwards, the backrest needs to be pushed manually to topple backwards at the moment, and the operation is inconvenient when the folding chair is unfolded; set up back connecting piece 13 and can play spacing effect to last back branch 30, when last back branch 30 leaned forward, the upper end top of back connecting piece 13 was at the front surface of last back branch 30, made last back branch 30 can't continue to empty forward, made the folding chair can form the shape of seat when the expansion, and it is more convenient to operate, and more firm.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. A folding chair, which is characterized in that: comprises a telescopic front leg, a rear leg, an upper backrest support rod, a lower backrest support rod, a front fork rod component, a rear fork rod component, a riding support rod, a telescopic support rod, an adjusting support rod and an adjusting handrail;

2. A folding chair as claimed in claim 1, wherein: still include the locking knot, the locking is detained and is established in between the upside both ends of back fork arm subassembly, the locking is detained and is being tensioned and loosen the back fork arm subassembly changes between.

3. The folding chair according to claim 2, wherein the locking buckle comprises a first locking rod and a second locking rod, the first locking rod and the second locking rod are both arc-shaped rods, a first locking pin is arranged on the first locking rod, a second locking pin is arranged on the second locking rod, one end of the first locking rod is hinged with one end of the second locking rod, and the other end of the first locking rod and the other end of the second locking rod are horizontally hinged between two ends of the upper side of the rear fork rod assembly;

4. A folding chair as claimed in claim 1, wherein: the telescopic front legs comprise front leg outer rods and front leg inner rods, the front leg outer rods are sleeved on the outer sides of the front leg inner rods, and the lower ends of the lower backrest support rods are hinged to the front leg inner rods of the telescopic front legs; one end of the rear leg and the middle part of the riding support rod are hinged with a front leg outer rod of the telescopic front leg; and two ends of one side of the front fork rod assembly are respectively hinged to the front leg outer rod and the front leg inner rod.

5. A folding chair as claimed in claim 4, wherein: the front leg inner rod of the telescopic front leg comprises a front leg inner rod body and a top seat, the front leg inner rod body is sleeved with the top seat, and the top seat is arranged at the lower end of the telescopic front leg; the lower end of the lower backrest support rod is hinged to the top seat of the telescopic front leg.

6. A folding chair as claimed in claim 1, wherein: the telescopic supporting rod comprises a telescopic outer rod and a telescopic inner rod, the telescopic outer rod is sleeved on the outer side of the telescopic inner rod, the upper end of the telescopic outer rod is provided with a buffer seat, the other end of the adjusting supporting rod is hinged to the telescopic inner rod of the telescopic supporting rod, and the middle lower part of the rear leg supporting rod is hinged to the telescopic outer rod of the telescopic supporting rod; and two ends of one side of the rear fork rod assembly are respectively hinged with the telescopic outer rod and the telescopic inner rod.

7. A folding chair as claimed in claim 1, wherein: the adjustable armrest is characterized in that a circular cup hole is formed in the front end of the adjusting armrest, a cup holder is arranged below the circular cup hole of the adjusting armrest, the cup holder is made of soft plastic, and the bottom surface of the cup holder is hollow.

8. A folding chair as claimed in claim 1, wherein: the side storage bag is provided with a magic buckle and is arranged on the adjusting groove through the magic buckle; the stool surface and the back of the folding chair are wrapped by canvas, and the back net bag is arranged on the back of the folding chair.

9. A folding chair as claimed in claim 4, wherein: the front leg outer rod comprises a front leg outer rod body and loading hardware, the loading hardware is arranged in the middle of the front leg outer rod body, the loading hardware comprises a hardware body, a front fork hinge part and a riding hinge part, and the riding hinge part is arranged at one end of the hardware body; the front fork hinge part is arranged on one side of the near end part of one end of the hardware body and extends outwards;

10. The folding chair as claimed in claim 1, further comprising a backrest connector having a door-shaped structure, wherein the lower end of the backrest connector is fixed to the front surface of the upper end of the lower backrest support rod, and the lower end of the upper backrest support rod is hinged to the upper end of the backrest connector.