Double-cross linkage type folding footrest and combined deck chair
By designing a support system composed of curved support rods and hinges, the problem of insufficient comfort and support reliability of traditional double cross-linked folding footrest is solved, achieving a comfortable and reliable support effect and supporting rapid folding.
Patent Information
- Application Number
- CN202422465314.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The support surface of the traditional double cross-linked folding footrest is a straight plate surface, which has poor comfort and poor support reliability.
A double cross-linked folding footrest is designed, and a support system composed of arcuate support rods and hinges is formed, including arcuate support rods, rear cross-linked rods, front cross-linked rods, rear support rods, front support rods and connecting rods to form an arcuate support surface and are connected by hinges to provide reliable support.
It achieves high comfort and reliable support, and the support system is also convenient for quick folding and storage.
Smart Images

Figure CN223262576U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reclining chairs, in particular to a double-cross linkage type folding footrest and combined reclining chair. Background Art
[0002] The split recliner mainly consists of a back support bracket, a foot support bracket (i.e., a footrest) and a chair cloth sleeved on the back support bracket and the outside of the footrest. In order to facilitate storage and use, the back support bracket and the footrest can be designed as a foldable structure.
[0003] Most traditional folding footrests are of a double cross-linked structure. For example, Chinese patent document CN107149318A discloses a folding chair, comprising an integrated chair frame and a seat and armrests mounted on the chair frame. The chair frame comprises a pair of front support rods, a pair of rear support rods, a pair of symmetrically arranged backrest support rods and a pair of symmetrically arranged side connecting rods. The seat is made of fabric, and the seat comprises a seat and a backrest. The armrests are made of fabric, and the rear of the armrests is connected with an elastic belt. The folding and unfolding operation is convenient, the structure is simple and the chair has multiple usage states.
[0004] The above-mentioned double cross linkage type folding footrest has shortcomings when used. First, its support surface is a straight surface without curvature, and the comfort is poor; second, its support reliability is not ideal.
[0005] In view of this, the inventor hopes to design a double-cross linkage folding footrest with good comfort and high support reliability. Utility Model Content
[0006] The purpose of the utility model is to overcome the above-mentioned problems existing in the traditional technology and to provide a double-cross linkage folding footrest and combined recliner.
[0007] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:
[0008] The utility model provides a double-cross-linked folding footrest, comprising an arc-shaped support rod, a rear cross-link rod, a front cross-link rod, a rear support rod, a front support rod and a connecting rod, wherein the two top ends of the rear cross-link rod and the front cross-link rod are respectively hinged to the arc-shaped support rod through a first hinge, and the top ends of the rear support rod and the front support rod are respectively hinged to the arc-shaped support rod on the corresponding side through a second hinge, and the bottom ends of the rear cross-link rod and the rear support rod are jointly installed on the rear support foot member, and the bottom end of the front cross-link rod is hinged to the bottom end of the front support rod and the front end of the connecting rod at the same time through a third hinge, and the rear end of the connecting rod is hinged to the rear support rod.
[0009] Furthermore, in the above-mentioned double-cross linkage type folding footrest, the rear cross linkage rod and the front cross linkage rod are each composed of two support rods hinged at the middle.
[0010] Furthermore, in the above-mentioned double-cross linkage type folding footrest, the first hinge and the third hinge are right-angled plates.
[0011] Furthermore, in the above-mentioned double-cross linkage type folding footrest, the second hinged member is a U-shaped plate.
[0012] Furthermore, in the above-mentioned double cross-linked folding footrest, the rear support foot member is composed of a bottom plate portion, a first ear plate portion and a second ear plate portion, the upper side of the bottom plate portion is provided with a first ear plate portion and a second ear plate portion facing perpendicular to each other, the bottom end of the rear support rod is hinged to the first ear plate portion, and the bottom end of the rear cross-linked rod is hinged to the second ear plate portion.
[0013] Furthermore, in the above-mentioned double cross-linked folding footrest, the portion of the rear support rod located between the arc-shaped support rod and the connecting rod is recorded as rod body A, and the portion of the arc-shaped support rod located between the rear support rod and the front support rod is recorded as rod body B. The rod body A, rod body B, front support rod and connecting rod together constitute a four-corner support structure.
[0014] Furthermore, in the above-mentioned double-cross linkage type folding footrest, a front foot piece is installed at the front end of the arc-shaped support rod.
[0015] The utility model also provides a combined reclining chair, comprising a folding back support bracket, a folding footrest and a chair cloth sleeved on the outside of the folding footrest, wherein the folding footrest is the above-mentioned double cross-linked folding footrest.
[0016] The beneficial effects of the utility model are:
[0017] The utility model has a reasonable structural design, which is mainly composed of an arc-shaped support rod, a rear cross linkage rod, a front cross linkage rod, a rear support rod, a front support rod and a connecting rod. On the one hand, two arc-shaped support rods are used to support the chair cloth to form an arc-shaped support surface that is conducive to resting the feet, and the support comfort is better; on the other hand, a support system composed of an arc-shaped support rod, a rear support rod, a front support rod and a connecting rod is used. The support system can provide reliable support for the rear cross linkage rod and the front cross linkage rod, and the support system is easy to fold and store quickly.
[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0020] Figure 1 This is a schematic diagram of the structure of the utility model after it is fully expanded;
[0021] Figure 2 for Figure 1 A partial enlarged schematic diagram of point A in the middle;
[0022] Figure 3 for Figure 1 A partial enlarged schematic diagram of point B in the middle;
[0023] Figure 4 A schematic diagram of the folding process in the present invention;
[0024] Figure 5 This is a schematic diagram of the structure of the utility model after being fully folded;
[0025] Figure 6 This is a schematic diagram of the use state of the utility model;
[0026] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0027] 1-arc-shaped support rod, 2-rear cross linkage rod, 3-front cross linkage rod, 4-rear support rod, 5-front support rod, 6-connecting rod, 7-first hinge, 8-second hinge, 9-front support foot, 10-rear support foot, 101-bottom plate, 102-first ear plate, 103-second ear plate, 11-third hinge. DETAILED DESCRIPTION
[0028] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0029] like Figures 1-6As shown, this embodiment provides a double cross-linked folding footrest, comprising an arc-shaped support rod 1, a rear cross-linking rod 2, a front cross-linking rod 3, a rear support rod 4, a front support rod 5, and a connecting rod 6. The two top ends of the rear cross-linking rod 2 and the front cross-linking rod 3 are respectively hinged to the arc-shaped support rod 1 through a first hinge 7, and the top ends of the rear support rod 4 and the front support rod 5 are respectively hinged to the arc-shaped support rod 1 on the corresponding side through a second hinge 8. The bottom ends of the rear cross-linking rod 2 and the rear support rod 4 are jointly mounted on the rear support foot member 10, and the bottom end of the front cross-linking rod 3 is hinged to the bottom end of the front support rod 5 and the front end of the connecting rod 6 through a third hinge 11, and the rear end of the connecting rod 6 is hinged to the rear support rod 4.
[0030] In this embodiment, the rear cross linkage rod 2 and the front cross linkage rod 3 are each composed of two struts hinged at the middle.
[0031] In this embodiment, the first hinge member 7 and the third hinge member 11 are right-angled plates.
[0032] In this embodiment, the second hinge member 8 is a U-shaped plate.
[0033] In this embodiment, the rear support leg 10 is composed of a bottom plate portion 101, a first ear plate portion 102 and a second ear plate portion 103. The upper side of the bottom plate portion 101 is provided with a first ear plate portion 102 and a second ear plate portion 103 that are perpendicular to each other. The bottom end of the rear support rod 4 is hinged to the first ear plate portion 102, and the bottom end of the rear cross linkage rod 2 is hinged to the second ear plate portion 103.
[0034] In this embodiment, the part of the rear support rod 4 located between the arc-shaped support rod 1 and the connecting rod 6 is recorded as the rod body A, and the part of the arc-shaped support rod 1 located between the rear support rod 4 and the front support rod 5 is recorded as the rod body B. The rod body A, the rod body B, the front support rod 5 and the connecting rod 6 together constitute a four-corner support structure.
[0035] In this embodiment, a front support leg 9 is installed at the front end of the arc-shaped support rod 1 .
[0036] This embodiment also provides a combination recliner, comprising a folding back support frame, a folding footrest, and a chair cloth sleeved on the outside of the folding footrest, wherein the folding footrest is the above-mentioned double cross-linked folding footrest.
[0037] A specific application of this embodiment is: the double cross-linked folding footrest is mainly composed of an arc-shaped support rod 1, a rear cross-linking rod 2, a front cross-linking rod 3, a rear support rod 4, a front support rod 5 and a connecting rod 6. On the one hand, two arc-shaped support rods 1 are used to support the chair cloth to form an arc-shaped support surface that is conducive to footresting, and the support comfort is better; on the other hand, a support system composed of the arc-shaped support rod 1, the rear support rod 4, the front support rod 5 and the connecting rod 6 is used. The support system can provide reliable support for the rear cross-linking rod 2 and the front cross-linking rod 3, and the support system is easy to fold and store quickly.
[0038] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A double cross linkage folding footrest, characterized in that: It includes an arc-shaped support rod, a rear cross-linking rod, a front cross-linking rod, a rear support rod, a front support rod and a connecting rod, the two top ends of the rear cross-linking rod and the front cross-linking rod are respectively hinged to the arc-shaped support rod through a first hinge, the top ends of the rear support rod and the front support rod are respectively hinged to the arc-shaped support rod on the corresponding side through a second hinge, the bottom ends of the rear cross-linking rod and the rear support rod are jointly installed on the rear support foot member, the bottom end of the front cross-linking rod is hinged to the bottom end of the front support rod and the front end of the connecting rod through a third hinge, and the rear end of the connecting rod is hinged to the rear support rod.
2. The double cross linkage folding footrest according to claim 1, characterized in that: The rear cross linkage rod and the front cross linkage rod are each composed of two struts hinged at the middle.
3. The double cross linkage folding footrest according to claim 2, characterized in that: The first hinge part and the third hinge part are right-angled plates.
4. The double cross-linked folding footrest according to claim 3, characterized in that: The second hinged member is a U-shaped plate.
5. The double cross-linked folding footrest according to claim 4, characterized in that: The rear support leg is composed of a bottom plate portion, a first ear plate portion and a second ear plate portion. The upper side of the bottom plate portion is provided with a first ear plate portion and a second ear plate portion that are perpendicular to each other. The bottom end of the rear support rod is hinged to the first ear plate portion, and the bottom end of the rear cross linkage rod is hinged to the second ear plate portion.
6. The double cross-linked folding footrest according to claim 5, characterized in that: The portion of the rear support rod located between the arc-shaped support rod and the connecting rod is recorded as rod body A, and the portion of the arc-shaped support rod located between the rear support rod and the front support rod is recorded as rod body B. The rod body A, rod body B, front support rod and connecting rod together constitute a four-corner support structure.
7. The double cross-linked folding footrest according to claim 6, characterized in that: A front supporting foot piece is installed at the front end of the arc-shaped supporting rod.
8. A combination recliner, characterized in that: It comprises a folding back support bracket, a folding footrest and a chair cloth sleeved on the outside of the two, and the folding footrest is a double cross-linked folding footrest as described in any one of claims 1-7.
Citation Information
Patent Citations
Folding chair
CN107149318A