CN209284655U

CN209284655U - Fold granny rag chair

Info

Publication number: CN209284655U
Application number: CN201821496874.0U
Authority: CN
Inventors: 梁志辉
Original assignee: Yiu Bao Hardware (dongguan) Co Ltd
Current assignee: Yiu Bao Hardware (dongguan) Co Ltd
Priority date: 2018-09-13
Filing date: 2018-09-13
Publication date: 2019-08-23
Anticipated expiration: 2028-09-13

Abstract

The utility model discloses a kind of folding granny rag chair, including two rotating mechanisms and two armrest mechanisms, the foot prop connection that two rotating mechanisms pass through " Π " font of two symmetrical settings, each rotating mechanism includes two revolving parts being rotatablely connected by the first screw assembly, the both ends of each revolving part are provided with inserted link, the both ends of each foot prop cooperate grafting with the inserted link of one of revolving part lower end in one of rotating mechanism respectively, the inserted link of each revolving part upper end, which cooperates, is plugged with support tube, the rear and front end of armrest mechanism positioned at left side is rotatablely connected with the upper end for two support tubes for being located at left side, the rear and front end of armrest mechanism positioned at right side is rotatablely connected with the upper end for two support tubes for being located at right side, two support tubes positioned at front side are connected by a hinge, two support tubes positioned at rear side pass through Hinge connection；It can be improved the stability of folding seat entirety, and can be improved the comfort level of people, prompt tone can be issued when opening in place.

Description

Fold granny rag chair

Technical field

The utility model relates to folding seat technical fields, and in particular to a kind of folding granny rag chair.

Background technique

Folding seat is common chair in current people life, due to its have the advantages that it is folding so that folding chair tool Have the advantages that it is easy to carry, particularly suitable for being used when outdoor activities；Folding seat on the market generally comprises before a pair is at present The folding stand of " X " font symmetrically arranged afterwards and cloth drawing pole for connecting two folding stands, the both ends difference of two cloth drawing poles It is fixed with the upper end of one of rotating bar in one of folding stand, when two cloth drawing poles are connected by granny rag, then structure At folding seat；But the folding seat is in use, haves the shortcomings that stability is not high, and it cannot achieve to human body hand The support in portion haves the shortcomings that comfort is poor；And whether existing folding seat does not prompt to be opened to when opening toward both sides Position, if in general user will continue to push chair, and such long period of operation is easily deformed, or even damage without signal prompt The function of tabletting.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of folding granny rag chair, by the setting of hinge, in foot When frame and support tube strut, the tensioning to support tube can be realized, so, can be improved the stability of folding seat entirety, By the setting of armrest mechanism, the support to human hands can be realized, so, when people are sitting in the folding seat, It can be improved the comfort level of people.

A kind of folding granny rag chair disclosed by the utility model, including two are in the symmetrically arranged rotating mechanism in front and back and two The armrest mechanism of symmetrical setting, the foot prop that two rotating mechanisms pass through " Π " font of two symmetrical settings Connection, each rotating mechanism include two revolving parts being rotatablely connected by the first screw assembly, the both ends of each revolving part It is provided with inserted link, the both ends of each foot prop inserted link with one of revolving part lower end in one of rotating mechanism respectively Cooperate grafting, the inserted link of each revolving part upper end, which cooperates, is plugged with support tube, positioned at the rear and front end of the armrest mechanism in left side It is rotatablely connected with the upper end for two support tubes for being located at left side, positioned at the rear and front end of the armrest mechanism on right side and positioned at right side The upper end rotation connection of two support tubes, two support tubes positioned at front side are connected by a hinge, positioned at two supports of rear side Pipe is connected by a hinge.

An embodiment according to the present utility model, each hinge include two connection straps, and two in each hinge The inner end of connection strap by bolt assembly be rotatablely connected, the outer end of each connection strap pass through the second screw assembly with it is corresponding Support tube rotation connection, the second screw assembly outer cover between each connection strap and corresponding support tube is equipped with torsional spring, often It is provided with the sleeve of one end partial insertion for torsional spring on the inner wall of a support tube, is provided on the inner wall of each sleeve For the caulking groove that the end of torsional spring is embedded in, the other end partial insertion for torsional spring is provided on the lateral surface of each connection strap Slot, the recess of the end insertion for torsional spring is provided on the inner wall of each slot.

An embodiment according to the present utility model, each armrest mechanism include granny rag pipe, handrail, arm supports plate and A pair of of strut, lower end of the both ends of the granny rag pipe in each armrest mechanism respectively with a wherein strut are fixed, every strut with The upper end of corresponding support tube is rotatablely connected by third screw assembly, and the upper end of two in each armrest mechanism piece strut passes through Arm supports plate is fixedly connected, and handrail is fixed on arm supports plate, is provided on the strut being located behind from the front to the back gradually The back rest being folded upward at is respectively and fixedly provided with the press strip for compressing granny rag on the inside of each back rest.

An embodiment according to the present utility model is provided with limited block, every branch on the outer wall of every strut lower end The convex block after strut is turned out for offseting with limited block is provided on the inner wall of stay tube upper end.

An embodiment according to the present utility model, the upper end of each back rest are mounted on end cap.

An embodiment according to the present utility model, if being provided with arterial highway on the periphery wall of every root cutting bar along inserted link length The annular groove of directional spreding, inserted link are bonded by the glue and foot prop that are filled in annular groove after being inserted into foot prop, are inserted Bar is bonded after being inserted into support tube by the glue and support tube that are filled in annular groove.

An embodiment according to the present utility model is respectively and fixedly provided with a pair of of foot pad on the bottom edge of each foot prop.

The utility model can be realized the tensioning to support tube when foot prop and support tube strut by the setting of hinge, So, the stability that can be improved folding seat entirety can be realized the branch to human hands by the setting of armrest mechanism Support, so, when people are sitting in the folding seat, can be improved the comfort level of people, when folding the expansion of granny rag chair, i.e., When rotating down in the middle part of hinge, torsional spring can play the role of power-assisted to connection strap, and when rotating down in the middle part of hinge, The prompt tone that hinge rotate in place can be issued under the action of torsional spring, and people's folding seat can be told to have been fully deployed, The phenomenon that avoiding user from pushing chair because continuing due to chair is caused to deform, so, can be avoided and fold granny rag chair Damage.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is the decomposed structural schematic diagram of the utility model；

Fig. 3 is the schematic cross-sectional view of the utility model；

Fig. 4 is amplified structural schematic diagram at A in Fig. 2；

Fig. 5 is amplified structural schematic diagram at B in Fig. 2；

Fig. 6 is amplified structural schematic diagram at C in Fig. 3；

Fig. 7 is the decomposition texture schematic diagram of connection strap and bolt assembly.

Specific embodiment

Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not within the protection scope of the requires of the utility model.

The folding granny rag chair of the utility model, including two are in left and right pair in the symmetrically arranged rotating mechanism in front and back and two Claim the armrest mechanism of setting, two rotating mechanisms are connected by the foot prop 1 of " Π " font of two symmetrical settings, often A rotating mechanism includes two revolving parts 22 being rotatablely connected by the first screw assembly 21, and the both ends of each revolving part 22 are equal Be provided with inserted link 221, the both ends of each foot prop 1 respectively with 22 lower end of one of revolving part in one of rotating mechanism Inserted link 221 cooperates grafting, and the inserted link 221 of each 22 upper end of revolving part, which cooperates, is plugged with support tube 3, the handrail machine positioned at left side The rear and front end of structure and the upper end for two support tubes 3 for being located at left side are rotatablely connected, positioned at the front and back two of the armrest mechanism on right side End and the upper end for two support tubes 3 for being located at right side are rotatablely connected, and two support tubes 3 positioned at front side are connected by hinge 4, position It is connected in two support tubes 3 of rear side by hinge 4；It can be realized by the setting of hinge when foot prop and support tube strut Tensioning to support tube so can be improved the stability of folding seat entirety, pass through the setting of armrest mechanism, Neng Goushi Now to the support of human hands, so, when people are sitting in the folding seat, the comfort level of people can be improved.

Each hinge 4 includes two connection straps 41, and the inner end of two connection straps 41 in each hinge 4 passes through bolt Component 42 is rotatablely connected, and the outer end of each connection strap 41 passes through the second screw assembly 43 and rotates company with corresponding support tube 3 It connects, 43 outer cover of the second screw assembly between each connection strap 41 and corresponding support tube 3 is equipped with torsional spring 44, each support tube It is provided with the sleeve 31 of one end partial insertion for torsional spring 44 on 3 inner wall, is provided on the inner wall of each sleeve 31 For the caulking groove 32 that the end of torsional spring 44 is embedded in, it is provided on the lateral surface of each connection strap 41 for the other end of torsional spring 44 The slot 411 of partial insertion is provided with the recess 412 of the end insertion for torsional spring 44 on the inner wall of each slot 411；It is logical The setting for crossing hinge, when foot prop and support tube strut, hinge can be realized the tensioning to support tube, so, Neng Gouti The stability of high folding seat entirety；It is rotated down in the middle part of hinge by the setting of torsional spring when folding the expansion of granny rag chair When, torsional spring can play the role of power-assisted to connection strap, and when rotating down in the middle part of hinge, can under the action of torsional spring The prompt tone that hinge rotate in place is issued, people's folding seat can be told to have been fully deployed, user is avoided to push because continuing Chair and the phenomenon that cause chair to deform, so, can be avoided the damage for folding granny rag chair.

Each armrest mechanism includes granny rag pipe 51, handrail 52, arm supports plate 53 and a pair of of strut 54, each handrail machine Lower end of the both ends of granny rag pipe 51 in structure respectively with a wherein strut 54 is fixed, every strut 54 and corresponding support tube 3 Upper end be rotatablely connected by third screw assembly 55, the upper end of two struts 54 in each armrest mechanism passes through arm supports Plate 53 is fixedly connected, and handrail 52 is fixed on arm supports plate 53, is provided with from the front to the back gradually on the strut 54 being located behind The back rest 541 being folded upward at, the inside of each back rest 541 are respectively and fixedly provided with the press strip 56 for compressing granny rag；By using After this structure, when fixing granny rag between two granny rag pipes, and fixing granny rag between two back rests, it can be formed Whole folding granny rag chair, the granny rag between two granny rag pipes are used to support the buttocks of human body, the granny rag between two back rests is used In the back of support human body, and the arm of human body can be placed on handrail, be sitting in the utility model so as to improve people Comfort level when upper.

It is provided with limited block 542 on the outer wall of every 54 lower end of strut, is provided on the inner wall of every 3 upper end of support tube Convex block 33 after strut 54 is turned out for offseting with limited block 542；After by using this structure, it can be realized pair The limitation of armrest mechanism rotational angle can play the position-limiting action to armrest mechanism.

The upper end of each back rest 541 is mounted on end cap 57；By the setting of end cap, back rest upper end can be improved Aesthetics.

If being provided with the annular groove that arterial highway is distributed along 221 length direction of inserted link on the periphery wall of every root cutting bar 221 222, inserted link 221 is bonded after being inserted into foot prop 1 by the glue and foot prop 1 that are filled in annular groove 222, and inserted link 221 is inserted It is bonded after entering into support tube 3 by the glue and support tube 3 that are filled in annular groove 222；After by using this structure, Have the advantages that revolving part and support tube and foot prop are easy to connect, and after revolving part is connect with support tube and foot prop, support tube It can't see any screw with the junction of foot prop and revolving part, so, can be improved the aesthetics of the utility model；This Shen Please in revolving part be made of aluminum material, foot prop is made of stainless steel, and revolving part and foot prop are bonded by glue to be played The function of revolving part and foot prop is isolated, i.e., two kinds of metal materials are not allowed closely, when preventing folding granny rag chair to be placed on open air, in sky Occur the phenomenon that two kinds of metalliferous materials generate chemistry chemical reaction under the influence of the impurity such as gas and steam, two kinds of gold can be avoided Belong to the corrosion of material；Similarly, the support tube in the application is made of stainless steel, and revolving part is bonded by glue and support tube can To play the function of isolation revolving part and support tube, i.e., two kinds of metal materials are not allowed closely, be placed on family to prevent from folding granny rag chair When outer, occur the phenomenon that two kinds of metalliferous materials generate chemistry chemical reaction under the influence of the impurity such as air and steam, it can Avoid the corrosion of two kinds of metal materials；Glue used in this application simultaneously is profound glad board, the glue of model 1016.

A pair of of foot pad 11 is respectively and fixedly provided on the bottom edge of each foot prop 1；By the setting of foot pad, it is capable of increasing foot prop and ground Between frictional force, so, in the non-skid property that when the utility model is used, can be improved the utility model.

Upper described only the embodiments of the present invention, is not intended to limit the utility model.For this field For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model Any modification, equivalent substitution, improvement and etc. of work should all include within the scope of the claims of the utility model.

Claims

1. folding granny rag chair, it is characterised in that: symmetrical in the symmetrically arranged rotating mechanism in front and back and two including two The armrest mechanism of setting, two rotating mechanisms are connected by the foot prop (1) of " Π " font of two symmetrical settings, often A rotating mechanism includes two revolving parts (22) being rotatablely connected by the first screw assembly (21), each revolving part (22) Both ends are provided with inserted link (221), the both ends of each foot prop (1) respectively with one of rotation in one of rotating mechanism The inserted link (221) of part (22) lower end cooperates grafting, and the inserted link (221) of each revolving part (22) upper end, which cooperates, is plugged with support tube (3), the rear and front end of armrest mechanism positioned at left side is rotatablely connected with the upper end for two support tubes (3) for being located at left side, is located at The rear and front end of the armrest mechanism on right side and the upper end for two support tubes (3) for being located at right side are rotatablely connected, positioned at the two of front side A support tube (3) is connected by hinge (4), and two support tubes (3) positioned at rear side are connected by hinge (4).

2. folding granny rag chair according to claim 1, which is characterized in that each hinge (4) includes two connection straps (41), the inner end of two connection straps (41) in each hinge (4) is rotatablely connected by bolt assembly (42), each connection strap (41) outer end passes through the second screw assembly (43) and corresponding support tube (3) and is rotatablely connected, each connection strap (41) with The second screw assembly (43) outer cover between corresponding support tube (3) is equipped with torsional spring (44), on the inner wall of each support tube (3) Be provided with the sleeve (31) for one end partial insertion of torsional spring (44), be provided on the inner wall of each sleeve (31) for The caulking groove (32) of the end insertion of torsional spring (44), is provided with for the another of torsional spring (44) on the lateral surface of each connection strap (41) The slot (411) of one end partial insertion is provided with the end insertion for torsional spring (44) on the inner wall of each slot (411) It is recessed (412).

3. folding granny rag chair according to claim 1 to 2, which is characterized in that each armrest mechanism includes granny rag pipe (51), handrail (52), arm supports plate (53) and a pair of of strut (54), the both ends point of the granny rag pipe (51) in each armrest mechanism Lower end not with a wherein strut (54) is fixed, and every strut (54) passes through third spiral shell with the upper end of corresponding support tube (3) Screw assembly (55) is rotatablely connected, and the upper end of two struts (54) in each armrest mechanism connects by the way that arm supports plate (53) are fixed It connects, the handrail (52) is fixed on arm supports plate (53), is provided with from the front to the back gradually on the strut (54) being located behind The back rest (541) being folded upward at is respectively and fixedly provided with the press strip (56) for compressing granny rag on the inside of each back rest (541).

4. folding granny rag chair according to claim 3, which is characterized in that be respectively provided on the outer wall of every strut (54) lower end Have limited block (542), is provided with after strut (54) is turned out and is used for and limited block on the inner wall of every support tube (3) upper end (542) convex block (33) to offset.

5. folding granny rag chair according to claim 3, which is characterized in that the upper end of each back rest (541) is mounted on End cap (57).

6. folding granny rag chair according to claim 1, which is characterized in that be respectively provided on the periphery wall of every root cutting bar (221) If the annular groove (222) for thering is arterial highway to be distributed along inserted link (221) length direction, after the inserted link (221) is inserted into foot prop (1) It is bonded by the glue being filled in annular groove (222) and foot prop (1), after the inserted link (221) is inserted into support tube (3) It is bonded by the glue being filled in annular groove (222) and support tube (3).

7. folding granny rag chair according to claim 1, which is characterized in that be respectively and fixedly provided with one on the bottom edge of each foot prop (1) To foot pad (11).