CN210989215U - Double folding armchair - Google Patents

Abstract

The utility model discloses a double folding armchair, including the chair frame, the chair frame is beta structure, and the chair frame expandes to be formed with two seats of taking, and two are taken the intercommunication between the position and do not have to separate and keep off, and two positions of taking on the chair frame can draw in or open in the front and back left and right sides in step. The utility model discloses in, the chair frame is beta structure, the chair frame expandes to be formed with two under the state and takes the seat, two take the position between the intercommunication do not have to separate and keep off, and two on the chair frame take the position can draw in or open in step, because two take between the position intercommunication do not have to separate and keep off can be convenient for two people take, and when the chair frame is folding or expand, two take the seat all around the direction draw in or open simultaneously, improved its use simplicity, and can reduce occupation space, portable.

Description

Double folding armchair

Technical Field

The utility model relates to a folding chair technical field, concretely relates to double folding armchair.

Background

Most of the existing folding chairs are single seats, only one person is allowed to use the folding chairs, and a plurality of chairs are needed to be carried when people go out for leisure, so that certain trouble is brought to people. Chinese document CN201920176U discloses a double folding chair, but the folding effect of this technical solution is poor, and the folding chair can only be folded in the front-back direction, and is not convenient for carrying and using outdoors.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double folding armchair, it mainly solves that its folding effect of current double folding chair is relatively poor, only can fold in the front and back direction, is not convenient for go out to carry technical problem such as use.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a folding armchair for two persons comprises a chair frame, wherein the chair frame is of a folding structure, two sitting positions are formed in the unfolded state of the chair frame, no partition is communicated between the two sitting positions, and the two sitting positions on the chair frame can be synchronously folded or unfolded in the front-back left-right direction.

Further, the chair frame comprises a first front foot backrest tube, a second front foot backrest tube and a third front foot backrest tube which are arranged in parallel, the middle parts of the first front foot backrest tube, the second front foot backrest tube and the third front foot backrest tube are respectively pivoted with a first rear foot tube, a second rear foot tube and a third rear foot tube, the first rear foot tube and the third rear foot tube are respectively connected with a first seat tube and a fourth seat tube in a sliding manner, the second rear foot tube is connected with a second seat tube and a third seat tube in a sliding manner, the first seat tube, the second seat tube, the third seat tube and the fourth seat tube are arranged in parallel, a first front cross is connected between the first front foot backrest tube and the second front foot backrest tube, the third seat tube, the fourth seat tube, the second front foot backrest tube and the third front foot backrest tube are connected with a second front cross, the first front foot backrest tube, the second front foot backrest tube and the second rear foot backrest tube are connected with a second front cross, the back pipe of foot before the second, the back pipe of foot before the third, foot pipe and third back are connected with the second back alternately behind foot pipe, it has first handrail pipe and second handrail pipe to articulate respectively on first preceding back pipe of foot and the back pipe of foot before the third, first handrail pipe and second handrail pipe are located first seat pipe and fourth seat pipe top respectively, sliding connection has first handrail stay tube on the first handrail pipe, first handrail stay tube lower extreme is slided and is established on first preceding back pipe of foot, sliding connection has the second handrail stay tube on the second handrail pipe, the lower extreme of second handrail stay tube is slided and is established on foot back pipe before the third.

Furthermore, the middle parts of the first front foot backrest tube, the second front foot backrest tube and the third front foot backrest tube are respectively articulated with a rear foot rotating seat, the first rear foot tube, the second rear foot tube and the third rear foot tube are respectively connected with the first front foot backrest tube, the second front foot backrest tube and the third front foot backrest tube in a rotating way through corresponding rear foot rotating seats, the middle parts of the first seat tube and the fourth seat tube are respectively articulated with the first front foot backrest tube and the third front foot backrest tube, the middle parts of the second seat tube and the third seat tube are respectively articulated with two sides of the second front foot backrest tube, the first rear foot tube, the second rear foot tube and the third rear foot tube are respectively provided with a sliding connecting seat in a sliding way, the rear ends of the first seat tube and the fourth seat tube are respectively articulated with sliding connecting seats on the first rear foot tube and the third rear foot tube, the second seat tube and the third seat tube are articulated with a sliding connecting seat on the second rear foot tube, and the first rear foot tube, the second rear foot tube and the third rear foot tube are respectively provided with a positioning sleeve capable of limiting the sliding connecting seat.

Furthermore, the first front cross, the second front cross, the first back cross and the second back cross are formed by cross connection of two straight pipes and are respectively provided with two upper connecting ends and two lower connecting ends, the lower end of the first front foot backrest pipe and one lower connecting end of the first front cross are hinged on a first front foot seat together, the other lower connecting end of the first front cross and the lower end of the second front foot backrest pipe and one lower connecting end of the second front cross are hinged on a front three-way foot seat together, the other lower connecting end of the second front cross and the lower end of the third front foot backrest pipe are hinged on a second front foot seat together, the two upper connecting ends of the first front cross are hinged on the front ends of the first seat pipe and the second seat pipe respectively, the two upper connecting ends of the second front cross are hinged on the front ends of the third seat pipe and the fourth seat pipe respectively, the lower end of the first back foot pipe and one lower connecting end of the first back cross are hinged on a first back foot seat together, the other lower connecting end of the first rear cross, the lower end of the second rear foot tube and the lower connecting end of the second rear cross are hinged to a rear three-way foot seat together, the other lower connecting end of the second rear cross and the lower end of the third rear foot tube are hinged to a second rear foot seat together, the upper connecting end of the first rear cross is hinged to the upper end of the first front foot backrest tube through a positioning seat and a hinge piece, the other upper connecting end of the first rear cross and the upper connecting end of the second rear cross are hinged to the upper end of the second front foot backrest tube through a positioning seat and a hinge piece together, and the other upper connecting end of the second rear cross is hinged to the upper end of the third front foot backrest tube through a positioning seat and a hinge piece.

Further, all set firmly the handrail slide on first handrail pipe and the second handrail pipe, the upper end of first handrail stay tube and second handrail stay tube all sets firmly can with handrail slide matched with slip cassette.

Furthermore, a sliding sleeve is arranged on each of the first front foot backrest tube and the third front foot backrest tube in a sliding manner, the lower ends of the first handrail supporting tube and the second handrail supporting tube are hinged to the corresponding sliding sleeves respectively, the middle of the first handrail supporting tube is hinged to the front end of the first seat tube through a positioning seat, and the middle of the second handrail supporting tube is hinged to the front end of the fourth seat tube through a positioning seat.

Furthermore, two parallel closed chutes are arranged on the inner side of the handrail sliding seat, two coaxially arranged chucks are arranged on the sliding clamping seat, and the chucks are arranged in the closed chutes.

Further, the first handrail tube and the second handrail tube are both of hard handrail structures.

Double folding armchair, have following advantage:

the chair frame is of a foldable structure, two sitting positions are formed in the unfolded state of the chair frame, no partition is communicated between the two sitting positions, the two sitting positions on the chair frame can be folded or unfolded synchronously, two people can conveniently sit due to the fact that the two sitting positions are communicated without the partition, and when the chair frame is folded or unfolded, the two sitting positions are folded or unfolded simultaneously in the front-back left-right direction, the operation simplicity is improved, the occupied space can be reduced, and the chair frame is convenient to carry outside.

Drawings

Fig. 1 is a schematic perspective view of a chair frame according to an embodiment of the present invention after being unfolded.

Fig. 2 is a schematic perspective view of the chair frame of the embodiment of the present invention in the unfolding process.

Fig. 3 is a schematic perspective view of the folded chair frame according to the embodiment of the present invention.

Fig. 4 is a schematic perspective view of a front three-way foot stool according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of a slide holder according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a handrail sliding seat according to an embodiment of the present invention.

Description of reference numerals:

11. first front foot back tube, 12, second front foot back tube, 13, third foot back tube, 21, first back foot tube, 22, second back foot tube, 23, third back foot tube, 31, first seat tube, 32, second seat tube, 33, third seat tube, 34, fourth seat tube, 41, first front cross, 42, second front cross, 43, first back cross, 44, second back cross, 51, first arm tube, 52, second arm tube, 53, first arm support tube, 54, second arm support tube, 6, back foot rotation seat, 7, sliding connection seat, 81, first front foot seat, 82, first back foot seat, 83, front three foot seat, 84, back three foot seat, 85, second front foot seat, 86, second back foot seat, 91, arm slide seat, 92, sliding seat 921, 911, closed, slide slot, clamp.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, in the embodiment, a foldable two-person armchair includes a chair frame, the chair frame is of a foldable structure, two seating positions are formed in the unfolded state of the chair frame, and can be used by two persons at the same time, the two seating positions are communicated without a partition, so that two persons can communicate and interact with each other conveniently, and the two seating positions on the chair frame can be folded or unfolded synchronously in the front-back left-right direction, so that the folding or unfolding operation simplicity can be improved, the occupied space can be reduced after folding, and the foldable two-person armchair is convenient to carry and use when going out.

Referring to fig. 1 to 3, in this embodiment, preferably, the chair frame includes a first front foot backrest tube 11, a second front foot backrest tube 12 and a third front foot backrest tube 13 which are arranged in parallel, the middle portions of the first front foot backrest tube 11, the second front foot backrest tube 12 and the third front foot backrest tube 13 are respectively pivoted with a first rear foot tube 21, a second rear foot tube 22 and a third rear foot tube 23, the first rear foot tube 21 and the third rear foot tube 23 are respectively connected with a first seat tube 31 and a fourth seat tube 34 in a sliding manner, the second rear foot tube 22 is connected with a second seat tube 32 and a third seat tube 33 in a sliding manner, the first seat tube 31, the second seat tube 32, the third front foot backrest tube 33 and the fourth seat tube 34 are arranged in parallel, a first front cross 41 is connected between the first seat tube 31, the second seat tube 32, the first front foot backrest tube 11 and the second front foot backrest tube 12, and a third front foot backrest tube 42 is connected between the first front foot tube 33, the fourth front foot backrest tube 34 and the third front foot backrest tube 13, a first rear cross 43 is connected among the first front foot backrest tube 11, the second front foot backrest tube 12, the first rear foot tube 21 and the second rear foot tube 22, a second rear cross 44 is connected among the second front foot backrest tube 12, the third front foot backrest tube 13, the second rear foot tube 22 and the third rear foot tube 23, a first armrest tube 51 and a second armrest tube 52 are respectively hinged on the first front foot backrest tube 11 and the third front foot backrest tube 13, the first armrest tube 51 and the second armrest tube 52 are respectively positioned above the first seat tube 31 and the fourth seat tube 34, a first armrest support tube 53 is slidably connected on the first armrest tube 51, the lower end of the first armrest support tube 53 is slidably arranged on the first front foot backrest tube 11, a second armrest support tube 54 is slidably connected on the second armrest tube 52, and the lower end of the second armrest support tube is slidably arranged on the third front foot backrest tube 13.

Referring to fig. 1 to 3, in this embodiment, preferably, the middle portions of the first front foot back tube 11, the second front foot back tube 12 and the third front foot back tube 13 are respectively hinged with a rear foot rotating seat 6, the first rear foot tube 21, the second rear foot tube 22 and the third rear foot tube 23 are respectively rotatably connected to the first front foot back tube 11, the second front foot back tube 12 and the third front foot back tube 13 through the corresponding rear foot rotating seat 6, the middle portions of the first seat tube 31 and the fourth seat tube 34 are respectively hinged on the first front foot back tube 11 and the third front foot back tube 13, the middle portions of the second seat tube 32 and the third seat tube 33 are respectively hinged on two sides of the second front foot back tube 12, the first rear foot tube 21, the second rear foot tube 22 and the third rear foot tube 23 are respectively slidably provided with a sliding connection seat 7, the rear ends of the first seat tube 31 and the fourth seat tube 34 are respectively hinged on the sliding connection seat 7 on the first rear foot tube 21 and the third rear foot back tube 23, the second seat tube 32 and the third seat tube 33 are hinged to the sliding connection seat 7 on the second rear foot tube 22 together, and the first rear foot tube 21, the second rear foot tube 22 and the third rear foot tube 23 are respectively provided with a positioning sleeve capable of limiting the sliding connection seat 7.

Referring to fig. 1 to 4, in this embodiment, preferably, the first front cross 41, the second front cross 42, the first rear cross 43 and the second rear cross 44 are formed by two straight tube cross connections and respectively have two upper connection ends and two lower connection ends, the lower end of the first front backrest tube 11 is hinged to a first front foot seat 81 together with one lower connection end of the first front cross 41, the other lower connection end of the first front cross 41 is hinged to a second front foot seat 85 together with the lower end of the second front backrest tube 12 and one lower connection end of the second front cross 42, the other lower connection end of the second front cross 42 is hinged to a second front foot seat 85 together with the lower end of the third front backrest tube 13, the two upper connection ends of the first front cross 41 are hinged to the front ends of the first seat tube 31 and the second seat tube 32, the two upper connection ends of the second front cross 42 are hinged to the front ends of the third seat tube 33 and the fourth seat tube 34, the lower end of the first rear leg tube 21 is hinged to a first rear leg base 82 together with one lower connection end of the first rear cross 43, the other lower connection end of the first rear cross 43 is hinged to a rear three-way leg base 84 together with the lower end of the second rear leg tube 22 and one lower connection end of the second rear cross 44, the other lower connection end of the second rear cross 44 is hinged to a second rear leg base 86 together with the lower end of the third rear leg tube 23, one upper connection end of the first rear cross 43 is hinged to the upper end of the first front leg backrest tube 11 through a positioning base and a hinge, the other upper connection end of the first rear cross 43 and one upper connection end of the second rear cross 44 are hinged to the upper end of the second front leg backrest tube 12 together through a positioning base and a hinge, and the other upper connection end of the second rear cross 44 is hinged to the upper end of the third front leg backrest tube 13 through a positioning base and a hinge.

Referring to fig. 1, in the present embodiment, preferably, the handrail sliding seats 91 are fixedly disposed on the first handrail tube 51 and the second handrail tube 52, and the sliding clamping seats 92 capable of being matched with the handrail sliding seats 91 are fixedly disposed at the upper ends of the first handrail supporting tube 53 and the second handrail supporting tube 54.

Referring to fig. 1, in the present embodiment, preferably, a sliding sleeve is slidably disposed on each of the first front foot backrest pipe 11 and the third front foot backrest pipe 13, lower ends of the first armrest support pipe 53 and the second armrest support pipe 54 are respectively hinged to the corresponding sliding sleeve, a middle portion of the first armrest support pipe 53 is hinged to a front end of the first seat pipe 31 through a positioning seat, and a middle portion of the second armrest support pipe 54 is hinged to a front end of the fourth seat pipe 34 through a positioning seat.

Referring to fig. 5 and fig. 6, in the present embodiment, preferably, two parallel closed sliding grooves 911 are formed inside the handrail sliding seat 91, two coaxially disposed clamping heads 921 are disposed on the sliding clamping seat 92, the clamping heads 921 are disposed in the closed sliding grooves 911 and can move in the closed sliding grooves 911, a connecting hole is disposed on the sliding clamping seat and is disposed in the clamping head 921 of the sliding clamping seat 92, and the sliding clamping seat 92 and the handrail supporting tube are fixedly connected together through the connecting hole to enhance the supporting strength of the clamping heads 921.

Referring to fig. 1, in the present embodiment, the first handrail tube 51 and the second handrail tube 52 are preferably both of a hard handrail structure.

The utility model discloses in, the chair frame is beta structure, the chair frame expandes to be formed with two under the state and takes the seat, two take the position between the intercommunication do not have to separate and keep off, and two on the chair frame take the position can draw in or open in step, because two take between the position intercommunication do not have to separate and keep off can be convenient for two people take, and when the chair frame is folding or expand, two take the seat all around the direction draw in or open simultaneously, improved its use simplicity, and can reduce occupation space, portable.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.

Claims (8)

1. The utility model provides a double folding armchair, includes the chair frame, its characterized in that: the chair frame is of a foldable structure, two sitting positions are formed in the unfolded chair frame, no partition is communicated between the two sitting positions, and the two sitting positions on the chair frame can be synchronously folded or unfolded in the front-back left-right direction.

2. The double folding armchair of claim 1, wherein: the chair frame comprises a first front foot backrest tube (11), a second front foot backrest tube (12) and a third front foot backrest tube (13) which are arranged in parallel, the middle parts of the first front foot backrest tube (11), the second front foot backrest tube (12) and the third front foot backrest tube (13) are respectively pivoted with a first rear foot tube (21), a second rear foot tube (22) and a third rear foot tube (23), the first rear foot tube (21) and the third rear foot tube (23) are respectively connected with a first seat tube (31) and a fourth seat tube (34) in a sliding manner, the second rear foot tube (22) is connected with a second seat tube (32) and a third seat tube (33) in a sliding manner, the first seat tube (31), the second seat tube (32), the third seat tube (33) and the fourth seat tube (34) are arranged in parallel, the first seat tube (31), the second seat tube (32), the first front foot backrest tube (11) and the second front foot backrest tube (12) are crossed and connected with a first front foot tube (41), a second front cross (42) is connected among the third seat tube (33), the fourth seat tube (34), the second front foot backrest tube (12) and the third front foot backrest tube (13), a first rear cross (43) is connected among the first front foot backrest tube (11), the second front foot backrest tube (12), the first rear foot tube (21) and the second rear foot tube (22), a second rear cross (44) is connected among the second front foot backrest tube (12), the third front foot backrest tube (13), the second rear foot tube (22) and the third rear foot tube (23), a first handrail tube (51) and a second handrail tube (52) are respectively hinged on the first front foot backrest tube (11) and the third front foot backrest tube (13), the first handrail tube (51) and the second handrail tube (52) are respectively positioned above the first seat tube (31) and the fourth seat tube (34), a first handrail tube (51) is connected with a first handrail tube (53) in a sliding manner, the lower end of the first handrail supporting pipe (53) is arranged on the first front foot backrest pipe (11) in a sliding way, the second handrail supporting pipe (54) is connected on the second handrail pipe (52) in a sliding way, and the lower end of the second handrail supporting pipe () is arranged on the third front foot backrest pipe (13) in a sliding way.

3. The double folding armchair of claim 2, wherein: the middle parts of the first front foot backrest tube (11), the second front foot backrest tube (12) and the third front foot backrest tube (13) are respectively hinged with a rear foot rotating seat (6), the first rear foot tube (21), the second rear foot tube (22) and the third rear foot tube (23) are respectively and rotatably connected with the first front foot backrest tube (11), the second front foot backrest tube (12) and the third front foot backrest tube (13) through the corresponding rear foot rotating seats (6), the middle parts of the first seat tube (31) and the fourth seat tube (34) are respectively hinged on the first front foot backrest tube (11) and the third front foot backrest tube (13), the middle parts of the second seat tube (32) and the third seat tube (33) are respectively hinged on two sides of the second front foot backrest tube (12), and sliding connecting seats (7) are respectively arranged on the first rear foot tube (21), the second rear foot tube (22) and the third rear foot tube (23), the rear ends of the first seat tube (31) and the fourth seat tube (34) are respectively hinged to the sliding connection seats (7) on the first rear foot tube (21) and the third rear foot tube (23), the second seat tube (32) and the third seat tube (33) are jointly hinged to the sliding connection seats (7) on the second rear foot tube (22), and the first rear foot tube (21), the second rear foot tube (22) and the third rear foot tube (23) are respectively provided with a positioning sleeve capable of limiting the sliding connection seats (7).

4. The double folding armchair of claim 3, wherein: the first front cross (41), the second front cross (42), the first rear cross (43) and the second rear cross (44) are formed by cross-connecting two straight pipes and respectively provided with two upper connecting ends and two lower connecting ends, the lower end of the first front foot backrest pipe (11) and one lower connecting end of the first front cross (41) are hinged on a first front foot seat (81), the other lower connecting end of the first front cross (41) and the lower end of the second front foot backrest pipe (12) and one lower connecting end of the second front cross (42) are hinged on a front three-way foot seat (83), the other lower connecting end of the second front cross (42) and the lower end of the third front foot backrest pipe (13) are hinged on a second front foot seat (85), and the two upper connecting ends of the first front cross (41) are hinged on the front ends of the first seat pipe (31) and the second seat pipe (32) respectively, two upper connecting ends of a second front cross (42) are respectively hinged at the front ends of a third seat tube (33) and a fourth seat tube (34), the lower end of a first rear foot tube (21) and one lower connecting end of a first rear cross (43) are hinged on a first rear foot seat (82) together, the other lower connecting end of the first rear cross (43) and the lower end of a second rear foot tube (22) and one lower connecting end of a second rear cross (44) are hinged on a rear three-way foot seat (84) together, the other lower connecting end of the second rear cross (44) and the lower end of a third rear foot tube (23) are hinged on a second rear foot seat (86) together, one upper connecting end of the first rear cross (43) is hinged with the upper end of the first front foot back tube (11) through a positioning seat and a hinge element, the other upper connecting end of the first rear cross (43) and one upper connecting end of the second rear cross (44) are hinged with the upper end of the second front foot back tube (12) through a positioning seat and a common hinge element, the other upper connecting end of the second rear cross (44) is hinged with the upper end of the third front foot backrest pipe (13) through a positioning seat and a hinge piece.

5. The double folding armchair of claim 3, wherein: handrail sliding seats (91) are fixedly arranged on the first handrail tube (51) and the second handrail tube (52), and sliding clamping seats (92) which can be matched with the handrail sliding seats (91) are fixedly arranged at the upper ends of the first handrail supporting tube (53) and the second handrail supporting tube (54).

6. The double folding armchair of claim 5, wherein: the first front foot backrest pipe (11) and the third front foot backrest pipe (13) are both provided with a sliding sleeve in a sliding mode, the lower ends of the first handrail supporting pipe (53) and the second handrail supporting pipe (54) are hinged to the corresponding sliding sleeves respectively, the middle of the first handrail supporting pipe (53) is hinged to the front end of the first seat pipe (31) through a positioning seat, and the middle of the second handrail supporting pipe (54) is hinged to the front end of the fourth seat pipe (34) through a positioning seat.

7. The double folding armchair of claim 5, wherein: the handrail sliding seat is characterized in that two parallel closed sliding grooves (911) are formed in the inner side of the handrail sliding seat (91), two clamping heads (921) which are coaxially arranged are arranged on the sliding clamping seat (92), and the clamping heads (921) are arranged in the closed sliding grooves (911).

8. The double folding armchair of any one of claims 2 to 7, characterised in that: the first handrail tube (51) and the second handrail tube (52) are both of a hard handrail structure.

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