CN219680140U

CN219680140U - Folding chair frame and folding chair

Info

Publication number: CN219680140U
Application number: CN202320236578.1U
Authority: CN
Inventors: 泉里志
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-09-15
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a folding chair frame, which comprises a backrest part, a pair of front hinging parts and a pair of rear hinging parts, wherein the backrest part is arranged in a bilateral symmetry manner, the front hinging parts are mutually crossed and hinged, the rear hinging parts are mutually crossed and hinged, the backrest part is sequentially bent and extended to form an armrest part, a front leg supporting part, a ground supporting part and a rear leg supporting part, the rear leg supporting part is fixedly connected with the backrest part, and the backrest part and the rear leg supporting part form a closed loop structure formed by bending a section bar; the handrail member is of a-' shaped wave structure; the front hinge piece and the rear hinge piece are respectively connected between the two front leg supports and the two rear leg supports. The utility model realizes the central gathering, folding and unfolding of the folding chair frame by the synchronous rotation of the pair of front hinging pieces and the rear hinging pieces which are crossed and hinged; the utility model changes the front-back folding mode into the central folding mode, the structure is simpler, the folding is more convenient, and the handrail piece is easier to bear hands and arms. In addition, the utility model also discloses a folding chair with the folding chair frame.

Description

Folding chair frame and folding chair

Technical Field

The utility model relates to daily furniture and outdoor articles, in particular to a foldable folding chair frame and a folding chair table.

Background

With the development of technology and the advancement of humanity, the seat gradually becomes one of the seats with the highest frequency of use for people. With the development of industry in recent years, the demands of people on material culture are generally increased, and the seats are also provided with higher experience and pursuit, so that the folding seats are appeared. The folding chair is one of common furniture in offices or families, and can be conveniently folded and stored when not used, so that the folding chair is widely applied; meanwhile, the folding chair is also one of the tools necessary for outdoor outing, fishing and other activities. The chair frame of the existing folding chair is folded in a mode that front legs and rear legs are folded in half, and the folding chair is relatively poor in stability although foldable, relatively complex in structure and inconvenient to operate.

Therefore, there is a need for a folding chair frame and a folding chair that are convenient to fold, simple in structure, stable, and easy to carry the hands and arms.

Disclosure of Invention

The utility model aims to provide the folding chair frame which is convenient to fold, simple in structure, good in stability and easy to bear hands and arms.

Another object of the present utility model is to provide a folding chair having a folding chair frame which is convenient to fold, simple in structure, stable, and easy to carry hands and arms.

In order to achieve the above-mentioned object, the present utility model provides a folding chair frame, which comprises a backrest member, a pair of front hinge members and a pair of rear hinge members, wherein the backrest member is symmetrically arranged left and right, the front hinge members are mutually crossed and hinged, the rear hinge members are mutually crossed and hinged, the lower ends of the backrest member are bent forward and extended to form an armrest member, the armrest member is bent downward and extended to form a front leg support member, the front leg support member is bent backward and extended to form a support member for supporting the ground, the support member is bent toward the backrest member and extended to form a rear leg support member, the rear leg support member is fixedly connected with the backrest member, and the backrest member to the rear leg support member form a closed loop structure formed by bending a section bar; the handrail piece is of a-' shaped wave structure; the upper end of the front hinge member is hinged with the upper end of one front leg support member, and the lower end of the front hinge member is hinged with the lower end of the other front leg support member; the upper end of the rear hinge member is hinged with the upper end of one rear leg support member, and the lower end of the rear hinge member is hinged with the lower end of the other rear leg support member.

Preferably, the folding chair frame further comprises an armrest sleeve, and the armrest sleeve is sleeved and fixed on the armrest piece.

Preferably, the folding chair frame further comprises an armrest support piece, wherein the lower end of the armrest sleeve piece protrudes out of the sleeve part, the front end of the armrest support piece is inserted and fixed in the sleeve part, and the rear end of the armrest support piece is fixed with the rear leg support piece.

Preferably, the armrest support member of the folding chair frame of the present utility model has an arc-shaped structure protruding toward the backrest member.

Preferably, the armrest suite and the sleeve part of the folding chair frame are in an integrated structure.

The folding chair comprises any folding chair frame, wherein the seat part is formed from the two rear leg supporting pieces to the two front leg supporting pieces, and a bearing piece with a flexible structure is arranged between the seat part and the two backrest pieces.

Preferably, the seating part of the folding chair of the present utility model includes a pair of seating units disposed in parallel with each other, a front end of the seating units being connected to an upper end of the front hinge, and a rear end of the seating units being connected to an upper end of the rear hinge.

Preferably, the front hinge, the seat and the rear hinge which are sequentially connected in the folding chair are formed by bending a section bar.

Preferably, the front hinge of the folding chair of the present utility model is hinged with the front leg support by a front connecting piece, and the rear hinge is hinged with the rear leg support by a rear connecting piece.

Preferably, the support member of the folding chair of the present utility model is further provided with a non-slip mat.

Compared with the prior art, the folding chair frame and the folding chair are characterized in that the two backrest parts are symmetrically arranged left and right, and the backrest parts are sequentially bent and extended to form the armrest part for bearing hands and arms, the front leg support part for supporting the armrest part, the ground support part for supporting the ground and the rear leg support part for supporting the backrest part, and meanwhile, the backrest parts to the rear leg support parts are formed by a closed loop structure formed by bending a section bar; therefore, the backrest part and the handrail part, the front leg supporting part, the ground supporting part and the rear leg supporting part which are formed by sequentially bending and extending the backrest part are of an integrated structure and are bent to form a closed-loop structure, and the closed-loop structure is arranged in a bilateral symmetry manner; on the basis, a pair of front hinging pieces which are mutually crossed and hinged and a pair of rear hinging pieces which are mutually crossed and hinged are combined, so that the folding chair frame is in central gathering and folding and far away from unfolding, namely, the folding chair frame is provided with a rotatable X-shaped structure in front and back (namely, the front hinging pieces and the rear hinging pieces which are mutually crossed and hinged respectively form the X-shaped structure), folding of the folding chair frame and the folding chair is realized through rotating and closing of the X-shaped structure, and unfolding of the folding chair frame and the folding chair is realized through rotating and unfolding of the X-shaped structure, therefore, the folding chair frame is folded in a central gathering mode through front and back folding (namely, the front and back directions and the left and right directions are simultaneously gathered towards the center during folding), and the folding chair frame is simpler and more convenient. Meanwhile, when a user sits on the bearing piece during unfolding and using the utility model, under the action of gravity of the user, the X-shaped structure shows a gradual unfolding trend, so that the whole two closed-loop structures which are arranged in bilateral symmetry have a mutual away trend, and meanwhile, the gravity of the user is borne by the whole closed-loop structure, so that all parts are uniformly stressed, the occurrence of physical damage caused by overlarge local stress is effectively prevented, and the stable and reliable bearing capacity and the service life of the utility model are ensured. In addition, the handrail part is of a 'to' -shaped wave structure, is attached to the state of hands and small arms under the condition of relaxation of a human body, accords with the ergonomic design, and enables the handrail part to bear the hands and the small arms more easily and comfortably. Therefore, the folding chair frame and the folding chair have the advantages of simple structure, convenient folding, good stability, easy carrying of hands and arms during use, and the integral bearing member is formed by bending a section bar, thereby greatly simplifying the manufacturing process, having strong practicability and being very suitable for wide popularization and use.

Drawings

FIG. 1 is a schematic view of the unfolded structure of the folding chair formed by installing the bearing member on the folding chair frame.

Fig. 2 is a schematic view of the folding chair of fig. 1, seen from the front to the rear.

Fig. 3 is a schematic view of the folding chair of fig. 1, seen from the rear to the front.

Fig. 4 is a schematic view of the structure of the folding chair of the present utility model as seen from right to left in fig. 1.

Fig. 5 is a schematic view of the structure of the folding chair frame in fig. 1 after folding.

Fig. 6 is a schematic view of the closed loop structure, handrail support, handrail kit and sleeve portion connection of the present utility model.

Fig. 7 is an exploded view of fig. 1.

Detailed Description

The technical scheme of the embodiment of the utility model is clearly and completely described below by combining specific embodiment examples with the attached drawings, and the technical scheme of the utility model is illustrated and described. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The following describes the embodiments of the present utility model in detail with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. Embodiments of the present utility model will now be described with reference to the drawings, wherein like reference numerals represent like elements throughout.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 5, the folding chair 100 of the present utility model comprises a foldable folding chair frame 1, a carrier 200 for providing sitting and leaning is provided on the folding chair frame 1, the carrier 200 is in a flexible structure, and the carrier 200 in the flexible structure can be folded along with the folding of the folding chair frame 1 to realize the folding function of the folding chair 100 of the present utility model. Specifically, the carrier 200 is preferably made of a textile material having good air permeability such as cloth and quick drying. The folding chair 100 and the folding chair frame 1 according to the present utility model will be described in further detail with reference to fig. 1 to 7:

the folding chair frame 1 of the present utility model comprises a backrest 2 arranged in bilateral symmetry, a pair of front hinges 3 intersecting each other and hinged, and a pair of rear hinges 4 intersecting each other and hinged. Specifically, the lower end of the backrest 2 of the present utility model is folded forward and extended to form the armrest 5, the armrest 5 is folded downward and extended to form the front leg supporter 6, the front leg supporter 6 is folded backward and extended to form the ground supporter 7 for supporting the ground, specifically, in order to further prevent the folding chair frame 1 and the folding chair 100 of the present utility model from being supported on the ground without slipping, the support supporter 7 of the present utility model is provided with the anti-slip pad 71 for increasing friction with the ground; the floor support 7 according to the utility model is bent towards the backrest 2 and extends to form a rear leg support 8, which rear leg support 8 is fixedly connected to the backrest 2. The backrest 2 to the rear leg support 8 of the present utility model form a closed loop structure 300 of bent profile. The handrail member 5 of the utility model is of a '-' wave structure; the handrail member 5 is of a '-' wave structure, is attached to the state of hands and small arms under the condition of relaxation of a human body, accords with the ergonomic design, and enables the handrail member to bear the hands and the small arms more easily and comfortably. The pair of front hinges 3 of the present utility model are crossed and hinged with each other to form an X-shaped structure, the upper end of the front hinge 3 is hinged with the upper end of one of the front leg supports 6, and the lower end of the front hinge 3 is hinged with the lower end of the other front leg support 6. The pair of back hinges 4 of the present utility model, which are crossed and hinged with each other, also form an X-shaped structure, the upper end of the back hinge 4 is hinged with the upper end of one of the back leg supports 8, and the lower end of the back hinge 4 is hinged with the lower end of the other back leg support 8. As can be seen from the above, the folding chair frame 1 and the folding chair 200 according to the present utility model are provided with the two back rest 2 symmetrically left and right, and the back rest 2 is sequentially bent and extended to form the armrest 5 for carrying the hand and the arm, the front leg support 6 for supporting the armrest 5, the ground support 7 for supporting the ground, and the rear leg support 8 for supporting the back rest 2, and the back rest 2 to the rear leg support 8 are formed by a closed loop structure 300 formed by bending a profile; therefore, the backrest 2 and the armrest 5, the front leg support 6, the ground support 7 and the rear leg support 8 which are formed by bending and extending in turn are of an integrated structure and are bent to form a closed-loop structure 300, so that the closed-loop structure 300 is arranged in a bilateral symmetry manner; on this basis, a pair of front hinging pieces 3 and a pair of rear hinging pieces 4 which are mutually crossed and hinged are combined, so that the folding chair frame 1 and the folding chair 100 are centrally gathered and folded and far away from the unfolding for use, namely, the folding chair frame 1 and the folding chair 100 of the utility model are provided with rotatable X-shaped structures (namely, the front hinging pieces 3 and the rear hinging pieces 4 which are mutually crossed and hinged respectively form an X-shaped structure), folding of the folding chair frame 1 and the folding chair 100 is realized through rotating and closing of the X-shaped structures, and unfolding of the folding chair frame 1 and the folding chair 100 is realized through rotating and opening of the X-shaped structures.

Therefore, the utility model changes the front-back folding mode into the central folding mode (namely, the front-back direction and the left-right direction are simultaneously gathered towards the center during folding), so that the structure is simpler and the folding is more convenient. Meanwhile, when a user sits on the bearing piece during unfolding and using the utility model, under the action of gravity of the user, the X-shaped structure shows a gradual unfolding trend, so that the whole two closed-loop structures which are arranged in bilateral symmetry have a mutual away trend, and meanwhile, the gravity of the user is borne by the whole closed-loop structure, so that all parts are uniformly stressed, the occurrence of physical damage caused by overlarge local stress is effectively prevented, and the stable and reliable bearing capacity and the service life of the utility model are ensured. In addition, the handrail part is of a 'to' -shaped wave structure, is attached to the state of hands and small arms under the condition of relaxation of a human body, accords with the ergonomic design, and enables the handrail part to bear the hands and the small arms more easily and comfortably. Therefore, the folding chair frame and the folding chair have the advantages of simple structure, convenient folding, good stability, easy carrying of hands and arms during use, and the integral bearing member is formed by bending a section bar, thereby greatly simplifying the manufacturing process, having strong practicability and being very suitable for wide popularization and use.

As shown in fig. 1 to 7, the folding chair 1 of the present utility model further includes a handrail member 9, and the handrail member 9 is sleeved and fixed on the handrail member 5. The armrest sleeve 9 has a curve contour matched with that of the armrest piece 2, and the bearing surface of the armrest piece 2 is effectively increased by the arrangement of the armrest sleeve 9, so that the hand and the small arm are more comfortable to bear on the armrest sleeve 9; further, the handrail member 5 is provided with pin holes 5a in a penetrating manner, the handrail member 5 is sleeved with the handrail sleeve 9, the pins 5b penetrate through the pin holes 5a of the handrail member 5, and two ends of the pins 5b are fixed in the handrail sleeve 9, so that the handrail sleeve 9 is sleeved and fixed on the handrail member 5. Specifically, the folding chair frame 1 of the present utility model further includes a handrail support member 10, the lower end of the handrail sleeve member 9 protrudes out of the sleeve portion 91, the front end of the handrail support member 10 is inserted and fixed in the sleeve portion 91, and the rear end of the handrail support member 10 is fixed with the rear leg support member 8. Specifically, as shown in fig. 6 and 7, the front end of the armrest support 10 is inserted into the sleeve portion 91 and fixed by the screw 92; further, the sleeve portion 91 is provided with a through hole 911, the front end of the armrest support member 10 is provided with a positioning hole 101 corresponding to the through hole 911, and the armrest member 5 is provided with a screw hole 51 corresponding to the positioning hole 101 and meshed with the screw 92; during assembly, the armrest sleeve 9 is first sleeved and fixed on the armrest 5, then the front end of the armrest support 10 is inserted into the sleeve portion 91, the through hole 911, the positioning hole 101 and the screw hole 51 are opposite to each other, the screw 51 is inserted from the through hole 911 of the sleeve portion 91 and passes through the positioning hole 101 of the armrest support 10 to rotate into the screw hole 51 of the armrest 5 to be locked, the front end of the armrest support 10 and the armrest 5 are tightly attached and fixed together through the sleeve portion 91 and the screw 51, and the rear end of the armrest support 10 and the rear leg support 8 are fixed through the screw.

Preferably, the armrest support 10 of the present utility model has an arc-shaped structure protruding toward the backrest 2; by the arrangement of the arc-shaped structure, the closed loop structure 300 formed by the utility model can effectively protect the stability of the connection between the backrest 2 and the rear leg support 8 when bearing weight.

Preferably, the armrest sleeve 9 and the sleeve portion 91 of the present utility model are integrally formed; the integrated structural design is adopted, so that the structure is more attractive and the structural strength is stronger.

As shown in fig. 1 to 4, the regions from the two rear leg supporters 8 to the two front leg supporters 6 in the folding chair frame 1 of the present utility model form a seat portion, and a carrier 200 in a flexible structure is disposed between the seat portion and the two back rest members 2.

Preferably, the seating part of the folding chair 100 of the present utility model includes a pair of seating units 11 disposed in parallel with each other, the front end of the seating unit 11 being connected to the upper end of the front hinge 3, and the rear end of the seating unit 11 being connected to the upper end of the rear hinge 4. Specifically, in the folding chair 100 of the present utility model, the front hinge 3, the seat 11 and the rear hinge 4, which are sequentially connected, are formed by bending a profile; further, the front hinge 3, the seat unit 11 and the rear hinge 4, which are sequentially connected, have a U-shaped structure.

As shown in fig. 1-5, in order to increase the articulation mobility of the front hinge 3 with the front leg support 6 and the articulation mobility of the rear hinge 4 with the rear leg support 8, the present utility model is conveniently folded in a central gathering manner; the front hinge 3 is hinged with the front leg support 6 by a front connecting sheet 31, and the rear hinge 4 is hinged with the rear leg support 8 by a rear connecting sheet 41; specifically, both ends of the front connecting piece 31 are hinged with the front hinge 3 and the front leg support 6, respectively, and both ends of the rear connecting piece 41 are hinged with the rear hinge 4 and the rear leg support 8, respectively.

As shown in fig. 1 to 7, the folding chair frame 1 and the folding chair 200 of the present utility model are provided with two backrest members 2 symmetrically left and right, and the backrest members 2 are sequentially bent and extended to form a handrail member 5 for carrying hands and arms, a front leg supporting member 6 for supporting the handrail member 5, a ground supporting member 7 for supporting the ground, and a rear leg supporting member 8 for supporting the backrest members 2, and the backrest members 2 to 8 are formed in a closed loop structure 300 formed by bending a section bar; therefore, the backrest 2 and the armrest 5, the front leg support 6, the ground support 7 and the rear leg support 8 which are formed by bending and extending in turn are of an integrated structure and are bent to form a closed-loop structure 300, so that the closed-loop structure 300 is arranged in a bilateral symmetry manner; on this basis, a pair of front hinging pieces 3 and a pair of rear hinging pieces 4 which are mutually crossed and hinged are combined, so that the folding chair frame 1 and the folding chair 100 are centrally gathered and folded and far away from the unfolding for use, namely, the folding chair frame 1 and the folding chair 100 of the utility model are provided with rotatable X-shaped structures (namely, the front hinging pieces 3 and the rear hinging pieces 4 which are mutually crossed and hinged respectively form an X-shaped structure), folding of the folding chair frame 1 and the folding chair 100 is realized through rotating and closing of the X-shaped structures, and unfolding of the folding chair frame 1 and the folding chair 100 is realized through rotating and opening of the X-shaped structures. Therefore, the utility model changes the front-back folding mode into the central folding mode (namely, the front-back direction and the left-right direction are simultaneously gathered towards the center during folding), so that the structure is simpler and the folding is more convenient. Meanwhile, when a user sits on the bearing piece 200 during unfolding and use, the X-shaped structure shows a gradual unfolding trend under the action of gravity of the user, so that the whole two closed-loop structures 300 which are symmetrically arranged left and right have a mutual far trend, and meanwhile, the gravity of the user is borne by the whole closed-loop structures 300, so that all parts are uniformly stressed, the occurrence of physical damage caused by overlarge local stress is effectively prevented, and the stable and reliable bearing capacity and the service life of the utility model are ensured. In addition, the handrail member 5 is of a 'to' -shaped wave structure, is attached to the state of hands and small arms under the condition of relaxation of a human body, accords with the ergonomic design, and enables the handrail member 5 to bear hands and small arms more easily and comfortably. Therefore, the folding chair frame 1 and the folding chair 100 of the utility model have simple structure and convenient folding, good stability and easy carrying of hands and arms during use, and the whole bearing member is formed by bending a section bar, thereby greatly simplifying the manufacturing process, having strong practicability and being very suitable for wide popularization and use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Meanwhile, the above disclosure is only of the preferred embodiments of the present utility model, and it is needless to say that the scope of the claims is not limited thereto, and therefore, the present utility model is not limited thereto except as by the claims.

Claims

1. The folding chair frame is characterized by comprising a backrest part, a pair of front hinging parts and a pair of rear hinging parts, wherein the backrest part is arranged in a bilateral symmetry manner, the front hinging parts are mutually crossed and hinged, the rear hinging parts are mutually crossed, the lower ends of the backrest part are bent forwards and extended to form handrail parts, the handrail parts are bent downwards and extended to form front leg supporting parts, the front leg supporting parts are bent backwards and extended to form supporting parts for supporting the ground, the supporting parts are bent towards the backrest part and extended to form rear leg supporting parts, the rear leg supporting parts are fixedly connected with the backrest part, and the backrest part to the rear leg supporting parts form a closed loop structure formed by bending a section bar; the handrail piece is of a-' shaped wave structure; the upper end of the front hinge member is hinged with the upper end of one front leg support member, and the lower end of the front hinge member is hinged with the lower end of the other front leg support member; the upper end of the rear hinge member is hinged with the upper end of one rear leg support member, and the lower end of the rear hinge member is hinged with the lower end of the other rear leg support member.

2. The folding chair frame of claim 1 further comprising a handrail kit, said handrail kit being secured to said handrail member.

3. The folding chair as in claim 2, further comprising a armrest support member, wherein a lower end of the armrest sleeve member protrudes beyond the sleeve portion, wherein a front end of the armrest support member is inserted and secured within the sleeve portion, and wherein a rear end of the armrest support member is secured to the rear leg support member.

4. A folding chair as in claim 3 wherein the arm support has an arcuate configuration projecting toward the back support.

5. A folding chair as claimed in claim 3, wherein the arm rest assembly is of unitary construction with the sleeve portion.

6. A folding chair comprising a folding chair frame according to any one of claims 1 to 5, wherein the region from the two rear leg supports to the two front leg supports forms a seat portion, and a carrier member having a flexible structure is provided between the seat portion and the two back rest members.

7. The folding chair as in claim 6, wherein the seat includes a pair of seating units disposed in parallel with each other, a front end of the seating units being connected to an upper end of the front hinge, and a rear end of the seating units being connected to an upper end of the rear hinge.

8. The folding chair as in claim 7, wherein the front hinge, the seat and the rear hinge, which are sequentially connected, are formed by bending a profile.

9. The folding chair as in claim 8 wherein the front hinge is hinged to the front leg support by a front connecting tab and the rear hinge is hinged to the rear leg support by a rear connecting tab.

10. The folding chair as in claim 6, wherein the floor support is further provided with a non-slip pad.