CN207784736U - A kind of folding seat and its holder - Google Patents

Abstract

The utility model discloses a kind of supporting racks of folding seat, including arc branch pipe, handrail tube, backrest vertical tube, arm supports pipe and four groups of cross pipes being hinged, it is cased with sliding part on backrest vertical tube, it is installed with armrest support on arm supports pipe, sliding part and the rear cross pipe top and top-cross breeches pipe top that are hinged are hinged, armrest support and the front cross pipe top and top-cross breeches pipe top that are hinged are hinged, the bottom of backrest vertical tube and the rear cross pipe bottom end and top-cross breeches pipe bottom end that are hinged are hinged, the bottom end of arm supports pipe is located at the part below its cross-articulation point with front cross pipe and is hinged, arm supports pipe is straight tube and its part being located at below the armrest support is scalable；Since arm supports pipe is straight tube, when folding, same direction was presented in each pipe fitting, and there is no interference situations, so can collapse completely, occupied space is smaller after gathering, is not easy to be subject to crushing.The invention also discloses a kind of folding seat including above-mentioned supporting rack.

Description

A kind of folding seat and its holder

Technical field

The utility model is related to folding stand technical fields, more particularly to a kind of supporting rack of folding seat.In addition, this practicality It is novel to further relate to a kind of folding seat including above-mentioned supporting rack.

Background technology

Folding seat is a kind of common modern furniture, since occupied space is smaller, easy to carry after its folding, increasingly It is welcomed by the people.

It is the opening state schematic diagram for being now folding seat in technology to please refer to Fig.1 to Fig. 3, Fig. 1, Fig. 2 be now technology In folding seat rounding state front view, Fig. 3 is the rounding state side view for being now folding seat in technology.It is folding seat One kind, be mainly made of chair seat frame, backrest vertical tube, Lumbar pipe, handrail tube and chair cloth etc., wherein chair seat frame is mutual by four groups Hinged cross pipe is constituted, specially front cross pipe, two groups of top-cross breeches pipes and rear cross pipe, the opening by each cross pipe with close It closes, realizes to fold and collapse.The upper end of wherein front cross pipe upwardly extends as arm supports pipe and is flexuosity, in arm supports The transition position of pipe and front cross pipe is equipped with armrest support, cannot be complete because handrail tube is interfered with armrest support when folding It is complete to collapse, cause still to occupy larger space after folding；And have much room among chair after folding, not only in transportational process In be easy to damage by pressure, also easily misguide the consumer with can also further to collapse, if at this time using brute-force, Chair structure be possible to by It destroys, causes economic loss.

Therefore how to solve the problems, such as that folding seat cannot fold completely, be that those skilled in the art need the skill solved at present Art problem.

Utility model content

The purpose of this utility model is to provide a kind of supporting rack of folding seat, can fold gathering completely.This practicality Novel another object is to provide a kind of folding seat including above-mentioned supporting rack.

In order to solve the above technical problems, the utility model provides a kind of supporting rack of folding seat, including pass through the first connection Two arc branch pipes, rear end and the hinged handrail tube of the arc branch pipe that part is connected and can mutually be bent, top with it is described Hinged backrest vertical tube and top the arm supports pipe hinged with the front end of the handrail tube, described to lean in the middle part of arc branch pipe It is cased with the sliding part being slidably connected with it on back of the body vertical tube, armrest support is installed on the arm supports pipe, further includes four The cross pipe that group is hinged, the sliding part and the rear cross pipe top and top-cross breeches pipe top that are hinged are hinged, institute It is hinged with the front cross pipe top and top-cross breeches pipe top that are hinged to state armrest support, the bottom of the backrest vertical tube It is hinged with the rear cross pipe bottom end being hinged and top-cross breeches pipe bottom end, the bottom end of the arm supports pipe and institute It is hinged to state part that front cross pipe is located at below its cross-articulation point, the arm supports pipe be straight tube and its be located at the handrail Part below holder is scalable.

Preferably, being hinged in the backing tube bottom end and the front cross pipe bottom end and top-cross breeches pipe bottom end Place is mounted on pedestal.

Preferably, the arm supports pipe is hinged by the second connector and the front cross pipe, second connector Include the fixed part on the front cross pipe and the rotating part mounted on arm supports tube bottom end, the fixed part It is hinged with the rotating part.

Preferably, the sliding part includes sliding sleeve and Liang Ge ears, and the sliding part is set in by the sliding sleeve Outside the backing tube, and it is hinged with the top-cross breeches pipe and the rear cross pipe top respectively by two ears.

Preferably, the arm supports pipe includes bottom end and the hinged inner tube of the front cross pipe and is sleeved on outside said inner tube And top and the hinged outer tube of the handrail tube, the armrest support are mounted on the outer tube.

The utility model also provides a kind of folding seat, including supporting rack and chair cloth, and support frame as described above is specially above-mentioned arbitrary Supporting rack described in one.

The supporting rack of folding seat provided by the utility model, including curved waist tube, two handrail tubes, two backrests are perpendicular Pipe, two arm supports pipes and chair seat frame；Wherein, Lumbar pipe is set as two arc branch pipes, two arc branch pipes by which part Between be equipped with and can make the first connector that it mutually bends, the top of backrest vertical tube with it is hinged in the middle part of arc branch pipe, handrail tube Rear end and the end of arc branch pipe are hinged, and the top of arm supports pipe and the front end of handrail tube are hinged, for supporting armrests pipe； Chair seat frame specifically includes four groups of cross pipes being hinged, front cross pipe specially arranged in a crossed manner and hinged middle part, rear intersection Pipe and two groups of top-cross breeches pipes realize opening and the gathering of folding seat by its opening and closing；In addition, on backrest vertical tube Cover the sliding part that is slidably connected with it, be installed with armrest support on arm supports pipe, sliding part be hinged after Cross pipe top and top-cross breeches pipe top are hinged, armrest support and the front cross pipe top and top-cross breeches pipe top that are hinged Hinged, the bottom of backrest vertical tube and the rear cross pipe bottom end and top-cross breeches pipe bottom end that are hinged are hinged, arm supports pipe Bottom end and front cross pipe to be located at the part below its cross-articulation point hinged, arm supports pipe for straight tube and its be located at handrail branch Part below frame is scalable.

When folding gathering, two arc branch pipes are mutually bent downwards, and handrail tube opposing arcuate branch pipe is folded upward at, and handrail Pipe drives the elongation of arm supports pipe, and to ensure that front cross pipe can be closed, while sliding part is along backing tube upward sliding, each to intersect Pipe is closed, and realizes that the folding of folding seat is collapsed；Since arm supports pipe is straight tube, when gathering, same direction is presented in each pipe fitting, Also there would not be interference situation, so gathering can be folded completely, occupied space is smaller after folding gathering, and among folding seat Substantially there is no redundant space, be not easy to be subject to crushing.

Folding seat provided by the utility model includes above-mentioned folding seat, since above-mentioned folding seat has above-mentioned technique effect, Above-mentioned folding seat should also have same technique effect, no longer be discussed in detail herein.

Description of the drawings

Fig. 1 is the opening state schematic diagram for being now folding seat in technology；

Fig. 2 is the rounding state front view for being now folding seat in technology；

Fig. 3 is the rounding state side view for being now folding seat in technology；

Fig. 4 is a kind of opening state signal of specific implementation mode of the supporting rack of folding seat provided by the utility model Figure；

Fig. 5 is a kind of opening state main view of specific implementation mode of the supporting rack of folding seat provided by the utility model Figure；

Fig. 6 is a kind of opening state side view of specific implementation mode of the supporting rack of folding seat provided by the utility model Figure；

Fig. 7 is a kind of structural schematic diagram of specific implementation mode of arm supports pipe provided by the utility model.

Specific implementation mode

The core of the utility model is to provide a kind of supporting rack of folding seat, can fold gathering completely.This practicality Novel another core is to provide a kind of folding seat including above-mentioned supporting rack.

In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied The utility model is described in further detail for mode.

It is a kind of specific embodiment party of the supporting rack of folding seat provided by the utility model to please refer to Fig.4 to Fig. 6, Fig. 4 The opening state schematic diagram of formula；Fig. 5 is a kind of specific implementation mode of the supporting rack of folding seat provided by the utility model Opening state front view；Fig. 6 is a kind of opening of specific implementation mode of the supporting rack of folding seat provided by the utility model Side view of the state.

The supporting rack for the folding seat that specific embodiment of the present invention provides, including curved waist tube, two handrail tubes 4,3, two arm supports pipes 5 and chair seat frames of two backrest vertical tubes；Wherein, Lumbar pipe is set as two arc branch pipes by which part 2, the first connector 1 that it mutually bends can be made by being equipped between two arc branch pipes 2, top and the arc branch pipe 2 of backrest vertical tube 3 Middle part is hinged, and the rear end of handrail tube 4 is hinged with the end of arc branch pipe 2, the front end on the top and handrail tube 4 of arm supports pipe 5 It is hinged, for supporting armrests pipe 4；Chair seat frame specifically includes four groups of cross pipes being hinged, it is specially arranged in a crossed manner and in The hinged front cross pipe 8 in portion, rear cross pipe 9 and two groups of top-cross breeches pipes 10 realize beating for folding seat by its opening and closing It opens and collapses；In addition, covering the sliding part 6 being slidably connected with it on backrest vertical tube 3, it is installed on arm supports pipe 5 Armrest support 7, sliding part 6 and 9 top of rear cross pipe being hinged and 10 top of top-cross breeches pipe are hinged, armrest support 7 with 8 top of front cross pipe being hinged and 10 top of top-cross breeches pipe are hinged, the bottom of backrest vertical tube 3 and the rear friendship being hinged 9 bottom end of breeches pipe and 10 bottom end of top-cross breeches pipe are hinged, and bottom end and the front cross pipe 8 of arm supports pipe 5 are located at its cross-articulation point The part of lower section is hinged, and arm supports pipe 5 is straight tube and its part being located at below armrest support 7 is scalable.

When folding gathering, mutually bending, 4 opposing arcuate branch pipe 2 of handrail tube are folded upward at two arc branch pipes 2 downwards, and Handrail tube 4 drives arm supports pipe 5 to extend, and to ensure that front cross pipe 8 can be closed, while sliding part 6 slides up along backing tube Dynamic, each cross pipe is closed, and realizes that the folding of folding seat is collapsed；Since arm supports pipe 5 is straight tube, when gathering, each pipe fitting is in Existing same direction would not also have interference situation, so gathering can be folded completely, occupied space is smaller after folding gathering, And there is no redundant space among folding seat substantially, it is not easy to be subject to crushing.

Wherein, it since usually chair cloth bottom edge quadrangle being sleeved on arm supports pipe 5 and backrest vertical tube 3 when assembling, and is beating Open state is in use, chair cloth bottom edge Corner Strapped at armrest support 7 and sliding part 6, to increase usage comfort, then may be used Armrest support 7 and sliding part 6 are located at sustained height, to ensure that chair cloth is concordant.

On the basis of above-mentioned specific implementation mode, the support for the folding seat that specific embodiment of the present invention provides Frame can be equipped with pedestal in the hinged place of 10 bottom end of the bottom end of backrest vertical tube 3 and 8 bottom end of front cross pipe and top-cross breeches pipe 11, it is steady to ensure to place after folding seat is opened.

Further, for convenience of the connection of each pipe fitting, hinged lug can be set on each pedestal 11, and make front cross pipe 8, the bottom end of top-cross breeches pipe 10 and rear cross pipe 9 is connect with the hinged lug in respective seat 11.

On the basis of above-mentioned each specific implementation mode, the support for the folding seat that specific embodiment of the present invention provides Frame, 5 bottom end of arm supports pipe specifically can be hinged with front cross pipe 8 by the second connector 12, and the second connector 12 specifically may be used To include the fixed part being mounted on front cross pipe 8 and rotating part mounted on 5 bottom end of arm supports pipe, and fixed part and rotation Portion is hinged.Certainly, the concrete structure of the second connector 12 is not limited to this, as long as can realize that arm supports pipe 5 intersects with preceding Being hinged for pipe 8, both is within the protection scope of the present invention.

The supporting rack for the folding seat that specific embodiment of the present invention provides, sliding part 6 can specifically include sliding sleeve With Liang Ge ears, sliding force part is set in by sliding sleeve on backrest vertical tube 3, realizes its being slidably connected with backrest vertical tube 3, and It is hinged with top-cross breeches pipe 10 and 9 top of rear cross pipe respectively by Liang Ge ears.

Referring to FIG. 7, Fig. 7 is a kind of structure of specific implementation mode of arm supports pipe 5 provided by the utility model Schematic diagram.

On the basis of above-mentioned each specific implementation mode, the support for the folding seat that specific embodiment of the present invention provides Frame, arm supports pipe 5 can stretch, and front cross pipe 8 can be opened normally when ensureing to use, and front cross pipe 8 can when folding Normally closed；Specifically, inner tube 51 and outer tube 52 composition that arm supports pipe 5 can be slidably socketed, wherein the bottom end of inner tube 51 Hinged with front cross pipe 8, outer tube 52 is sleeved on outside inner tube 51, and the top of outer tube 52 and handrail tube 4 are hinged, and armrest support 7 is installed On outer tube 52, when ensureing to use folding seat every time, the relative position of armrest support 7 remains unchanged.

In addition to above-mentioned supporting rack, specific embodiment of the present utility model also provides a kind of folding including above-mentioned supporting rack Chair, refer to the prior art for the structure of other each sections of the folding seat, and repeats no more herein.

Folding seat provided by the utility model and its supporting rack are described in detail above.Tool used herein Body example is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to understand The method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification It also falls into the protection domain of the utility model claims.

Claims (6)

1. a kind of holder of folding seat, which is characterized in that include two that is connected and can mutually be bent by the first connector Arc branch pipe, rear end and the hinged handrail tube of the arc branch pipe, top and backrest vertical tube hinged in the middle part of the arc branch pipe, And the hinged arm supports pipe in front end of top and the handrail tube, the cunning being slidably connected with it is cased on the backrest vertical tube Moving part is installed with armrest support on the arm supports pipe, further includes four groups of cross pipes being hinged, the sliding part It is hinged with the rear cross pipe top and top-cross breeches pipe top that are hinged, the armrest support and the front cross pipe being hinged Top and top-cross breeches pipe top are hinged, the bottom of the backrest vertical tube and the rear cross pipe bottom end that is hinged and Top-cross breeches pipe bottom end is hinged, and bottom end and the front cross pipe of the arm supports pipe are located at below its cross-articulation point Part it is hinged, the arm supports pipe is straight tube and its part being located at below the armrest support is scalable.

2. the holder of folding seat according to claim 1, which is characterized in that the backing tube bottom end and it is described before The hinged place of cross pipe bottom end and top-cross breeches pipe bottom end is mounted on pedestal.

3. the holder of folding seat according to claim 2, which is characterized in that the arm supports pipe passes through the second connector Hinged with the front cross pipe, second connector includes the fixed part being mounted on the front cross pipe and is mounted on described The rotating part at arm supports tube bottom end, the fixed part are hinged with the rotating part.

4. the holder of folding seat according to claim 3, which is characterized in that the sliding part includes sliding sleeve and two ears Portion, the sliding part are set in by the sliding sleeve outside the backing tube, and by two ears respectively with the side Cross pipe and the rear cross pipe top are hinged.

5. the holder of folding seat according to any one of claims 1 to 4, which is characterized in that the arm supports pipe packet It includes bottom end and the hinged inner tube of the front cross pipe and is sleeved on outer said inner tube and top and the hinged outer tube of the handrail tube, institute Armrest support is stated on the outer tube.

6. a kind of folding seat, including supporting rack and chair cloth, which is characterized in that support frame as described above is specially that claim 1 to 5 is arbitrary Holder described in one.