CN213046151U - Multifunctional folding chair - Google Patents
Multifunctional folding chair Download PDFInfo
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- CN213046151U CN213046151U CN202022509920.XU CN202022509920U CN213046151U CN 213046151 U CN213046151 U CN 213046151U CN 202022509920 U CN202022509920 U CN 202022509920U CN 213046151 U CN213046151 U CN 213046151U
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- supporting leg
- regulation hole
- connecting piece
- leg frame
- connecting rod
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- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 4
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- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a multifunctional folding chair, including folding seat, folding back, first supporting leg frame, the second supporting leg frame, control the connecting piece and control the handrail, first supporting leg frame and second supporting leg frame set up for the front and back, folding seat rotates the middle part of connecting at first supporting leg frame and second supporting leg frame, the handrail about connecting piece slides and is provided with about first supporting leg frame and second supporting leg frame's upper end is through controlling, control the connecting piece for having upper end opening and rear end open-ended hollow structure, be provided with first connecting rod and second connecting rod in the connecting piece about, a tip of first connecting rod rotates with the rear end portion of controlling the connecting piece to be connected, another tip of first connecting rod rotates with a tip of second connecting rod to be connected, another tip of second connecting rod rotates with the both sides at the middle part of folding back to be connected. The utility model discloses through the institutional transformation on the basis of current folding chair, add and be equipped with the function of lying and highly regulated function. The use is flexible and convenient, and the user experience is promoted.
Description
Technical Field
The utility model relates to a folding chair technical field, concretely relates to multi-functional folding chair.
Background
The folding chair is a chair with portable and stackable functions, is convenient to move and saves space. The device is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.
But only possess folding function to current folding chair, the function is single, can only be used for sitting, can not lie down to have a rest, and to the crowd of high height, use the folding chair of same height can lead to people's health to suffer, influence experience.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art, provide one kind possess simultaneously and sit the function of lying, but and height-adjusting uses nimble, convenient multi-functional folding chair.
The technical scheme of the utility model as follows:
a multifunctional folding chair comprises a folding chair seat, a folding backrest, a first supporting leg frame, a second supporting leg frame, a left connecting piece, a right connecting piece, a left armrest and a right armrest, wherein the first supporting leg frame and the second supporting leg frame are arranged in the front and at the back, two sides of the rear end part of the folding chair seat are rotationally connected with the middle part of the second supporting leg frame through a first rotating shaft, two sides of the middle part of the folding chair seat are rotationally connected with the middle part of the first supporting leg frame through a second rotating shaft, two sides of the lower end part of the folding backrest are rotationally connected with the middle part of the second supporting leg frame through a third rotating shaft and are positioned above the folding chair seat, the upper end part of the first supporting leg frame is rotationally connected with the front end part of the left connecting piece and the right connecting piece through a fourth rotating shaft, the upper end part of the second supporting leg frame is rotationally connected with the middle part of the left connecting piece and the right connecting piece, the utility model discloses a folding backrest, including folding backrest, first connecting rod, second connecting rod, first axis of rotation, second axis of rotation, first connecting rod, second axis of rotation, second connecting rod, third axis of rotation, handrail about the upper end portion of connecting piece is provided with, the back tip of controlling the connecting piece pass through sixth axis of rotation with the both sides in the middle part of folding backrest rotate to be connected, control the connecting piece for having upper end opening and rear end open-ended hollow structure, be provided with link assembly in the connecting piece about, link assembly includes first connecting rod and second connecting rod, a tip of first connecting rod pass through the seventh axis of rotation with the back tip of controlling the connecting piece rotates to be connected, another tip of first connecting rod pass through the eighth axis of rotation with a tip of second connecting rod rotates to be connected, another tip of second connecting rod passes through sixth axis.
Further, the second supporting leg frame comprises two first supporting legs, the first supporting legs are of a hollow structure, the lower end portions of the first supporting legs are provided with lower end openings and rear end openings communicated with the lower end openings, the second supporting legs are movably connected in the first supporting legs, first adjusting holes are formed in two sides of the lower end portions of the first supporting legs, second adjusting holes are formed in two sides of one end portion of the second supporting leg, and the first adjusting holes and the second adjusting holes are fixed through first fixing pieces between the first supporting legs and the second supporting legs.
Further, a plurality of is seted up to the both sides of first supporting leg along first supporting leg equidistance distribution about first regulation hole, a plurality of have been seted up to the both sides of second supporting leg with first regulation hole is corresponding the second regulation hole, first supporting leg frame includes two third supporting legs, the third supporting leg is for having lower extreme open-ended hollow structure, swing joint has the fourth supporting leg in the third supporting leg, the third regulation hole that a plurality of equidistance distributes about the third supporting leg is seted up to the both sides of third supporting leg, a plurality of have been seted up to the both sides of fourth supporting leg with the corresponding fourth regulation hole of third regulation hole, will through the second mounting between third supporting leg and the fourth supporting leg third regulation hole and fourth regulation hole are fixed.
Furthermore, first mounting, second mounting adopt the bolt, the inboard of first regulation hole, second regulation hole, third regulation hole, fourth regulation hole is equipped with the internal thread, pass through between first regulation hole and second regulation hole, third regulation hole and the fourth regulation hole bolt thread tightening.
Further, the outer end face of the bolt is provided with a handle.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses through the institutional transformation on the basis of current folding chair, make it add to have and lie function and altitude mixture control function. When needing to lie down, will control the handrail and slide to preceding for link assembly in the connecting piece can be pulled out about, will fold the back downward sloping through the effect of first connecting rod and second connecting rod, simultaneously, will the second supporting leg follow in the first supporting leg after whole pulling out and backward swing, make the second supporting leg be on a parallel with ground and extend from the rear end opening part of first supporting leg, fix through first mounting between a tip of second supporting leg and the lower tip of first supporting leg, regard the second supporting leg as the bottom sprag. When the height needs to be adjusted, the second supporting leg and the fourth supporting leg are horizontally pulled out by proper equal lengths from the first supporting leg and the third supporting leg, the first adjusting hole in the proper position is aligned with the second adjusting hole, the third adjusting hole is aligned with the fourth adjusting hole, and finally, the second supporting leg and the fourth supporting leg are fixed through the first fixing piece and the second fixing piece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a multifunctional folding chair provided by the present invention;
FIG. 2 is a side view of a multi-functional foldable chair provided by the present invention;
FIG. 3 is a view showing a state of the multifunctional folding chair of the present invention;
fig. 4 is a second usage state diagram of the multifunctional folding chair provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
Examples
Referring to fig. 1 and 2, the present invention provides a multifunctional folding chair, which comprises a folding chair surface 1, a folding backrest 2, a first supporting leg frame 3, a second supporting leg frame 4, a left and right connecting member 5, a left and right armrest 6, wherein the first supporting leg frame 3 and the second supporting leg frame 4 are arranged in front and back, the second supporting leg frame 4 comprises two first supporting legs, the first supporting leg frame 3 comprises two third supporting legs, two sides of the rear end of the folding chair surface 1 are rotatably connected with the middle of the second supporting leg frame 4 through a first rotating shaft 7, two sides of the middle of the folding chair surface 1 are rotatably connected with the middle of the first supporting leg frame 3 through a second rotating shaft 8, two sides of the lower end of the folding backrest 2 are rotatably connected with the middle of the second supporting leg frame 4 through a third rotating shaft 9 and are located above the folding chair surface 2, the upper end of the first supporting leg frame 3 is rotatably connected with the front end of the left and right connecting member 5 through a fourth rotating shaft 10, the upper end of the second supporting leg 4 is rotatably connected to the middle of the left and right connecting members 5 through a fifth rotating shaft 11, the left and right armrests 6 are provided to the upper ends of the left and right connecting members 5, and the rear ends of the left and right connecting members 5 are rotatably connected to both sides of the middle of the folding backrest 2 through a sixth rotating shaft 12. A first improvement point is that, as shown in fig. 3, the left and right connecting members 5 are hollow structures having upper end openings and rear end openings, a connecting rod assembly is arranged in the left and right connecting members 5, and includes a first connecting rod 13 and a second connecting rod 14, one end of the first connecting rod 13 is rotatably connected to the rear end of the left and right connecting members 5 through a seventh rotating shaft 15, the other end of the first connecting rod 13 is rotatably connected to one end of the second connecting rod 14 through an eighth rotating shaft 16, the other end of the second connecting rod 14 is rotatably connected to both sides of the middle portion of the folding backrest 2 through a sixth rotating shaft 12, and the left and right armrests 6 are slidably connected to the upper end of the left and right connecting members 5. The folding chair is additionally provided with a lying function on the basis of the existing function, when the chair needs to lie, the left handrail 6 and the right handrail 6 slide forwards, so that the connecting rod components in the left connecting piece 5 and the right connecting piece 5 can be pulled out, and the folding backrest 2 is inclined downwards under the action of the first connecting rod 13 and the second connecting rod 14.
Because of the possibility that the chair can overturn backwards after the backrest 2 is folded downwards, therefore, as a second point improvement point, the first supporting leg is designed to be of a hollow structure, the lower end part of the first supporting leg is provided with a lower end opening and a rear end opening communicated with the lower end opening, the first supporting leg is internally and movably connected with a second supporting leg 17, a plurality of first adjusting holes 18 which are distributed along the first supporting leg at equal intervals from top to bottom are formed in the two sides of the first supporting leg, a plurality of second adjusting holes 19 corresponding to the first adjusting holes 18 are formed in the two sides of the second supporting leg 17, and the first adjusting holes 18 and the second adjusting holes 19 are fixed between the first supporting leg and the second supporting leg 17 through first fixing pieces 20. When the user needs to lie, the second supporting leg 17 is pulled out of the first supporting leg and swings backwards, so that the second supporting leg 17 is parallel to the ground and extends out of the opening at the rear end of the first supporting leg, the second adjusting hole 19 at one end of the second supporting leg 17 and the first adjusting hole 18 at the lower end of the first supporting leg are fixed through the first fixing piece 20, and the second supporting leg 17 serves as a bottom support.
This folding chair has still increased the altitude mixture control function, as the third improvement point, it is shown to combine figure 4, design the same hollow structure for having lower extreme open-ended with the third supporting leg, swing joint has fourth supporting leg 21 in the third supporting leg, the third regulation hole 22 that a plurality of equidistance distributes about the third supporting leg is seted up to the both sides of third supporting leg, the fourth regulation hole 23 that a plurality of and third regulation hole 22 correspond is seted up to the both sides of fourth supporting leg 21, it is fixed with third regulation hole 22 and fourth regulation hole 23 through second mounting 24 between third supporting leg and the fourth supporting leg 21. When the height needs to be adjusted, the second supporting leg 17 and the fourth supporting leg 21 are horizontally pulled out of the first supporting leg and the third supporting leg by proper equal lengths, the first adjusting hole 18 in the proper position is aligned with the second adjusting hole 19, the third adjusting hole 22 is aligned with the fourth adjusting hole 23, and finally the first fixing piece 20 and the second fixing piece 24 are used for fixing.
In this embodiment, the first fixing member 20 and the second fixing member 24 are both made of bolts, inner threads are disposed on inner sides of the first adjusting hole 18, the second adjusting hole 19, the third adjusting hole 22 and the fourth adjusting hole 23, and the first adjusting hole 18 and the second adjusting hole 19, and the third adjusting hole 22 and the fourth adjusting hole 23 are fixed by the bolts through threads. For easy handling adjustment, the outer end face of the bolt is provided with a handle 25.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A multifunctional folding chair comprises a folding chair seat, a folding backrest, a first supporting leg frame, a second supporting leg frame, a left connecting piece, a right connecting piece, a left armrest and a right armrest, wherein the first supporting leg frame and the second supporting leg frame are arranged in the front and at the back, two sides of the rear end part of the folding chair seat are rotationally connected with the middle part of the second supporting leg frame through a first rotating shaft, two sides of the middle part of the folding chair seat are rotationally connected with the middle part of the first supporting leg frame through a second rotating shaft, two sides of the lower end part of the folding backrest are rotationally connected with the middle part of the second supporting leg frame through a third rotating shaft and are positioned above the folding chair seat, the upper end part of the first supporting leg frame is rotationally connected with the front end part of the left connecting piece and the right connecting piece through a fourth rotating shaft, the upper end part of the second supporting leg frame is rotationally connected with the middle part of the left connecting piece and the right connecting piece, the handrail about the upper end of controlling the connecting piece is provided with, control the rear end of connecting piece pass through the sixth axis of rotation with the both sides in the middle part of folding back are rotated and are connected its characterized in that: the left and right connecting piece is of a hollow structure with an upper end opening and a rear end opening, a connecting rod assembly is arranged in the left and right connecting piece, the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected with the rear end of the left and right connecting piece through a seventh rotating shaft, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod through an eighth rotating shaft, the other end of the second connecting rod is rotatably connected with two sides of the middle part of the folding backrest through a sixth rotating shaft, and the left and right armrests are slidably connected with the upper end of the left and right connecting piece.
2. The multifunctional folding chair of claim 1, wherein: the second supporting leg frame comprises two first supporting legs, the first supporting legs are of a hollow structure, the lower end portions of the first supporting legs are provided with lower end openings and rear end openings communicated with the lower end openings, the first supporting legs are movably connected with the second supporting legs in the first supporting legs, first adjusting holes are formed in two sides of the lower end portions of the first supporting legs, second adjusting holes are formed in two sides of one end portion of the second supporting leg, and the first adjusting holes and the second adjusting holes are fixed through first fixing pieces between the first supporting legs and the second supporting legs.
3. A multi-functional folding chair as claimed in claim 2, wherein: the both sides of first supporting leg have been seted up a plurality of along first supporting leg equidistance distribution about first regulation hole, the both sides of second supporting leg seted up a plurality of with first regulation hole is corresponding the second regulation hole, first supporting leg frame includes two third supporting legs, the third supporting leg is for having lower extreme open-ended hollow structure, swing joint has the fourth supporting leg in the third supporting leg, the third regulation hole that a plurality of equidistance distributes about the third supporting leg is seted up to the both sides of third supporting leg, the both sides of fourth supporting leg seted up a plurality of with the corresponding fourth regulation hole of third regulation hole, will through the second mounting between third supporting leg and the fourth supporting leg third regulation hole and fourth regulation hole are fixed.
4. A multi-functional folding chair as claimed in claim 3, wherein: first mounting, second mounting adopt the bolt, the inboard of first regulation hole, second regulation hole, third regulation hole, fourth regulation hole is equipped with the internal thread, pass through between first regulation hole and second regulation hole, third regulation hole and the fourth regulation hole bolt thread tightening.
5. The multifunctional folding chair of claim 4, wherein: and a handle is arranged on the outer end face of the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022509920.XU CN213046151U (en) | 2020-11-03 | 2020-11-03 | Multifunctional folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022509920.XU CN213046151U (en) | 2020-11-03 | 2020-11-03 | Multifunctional folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213046151U true CN213046151U (en) | 2021-04-27 |
Family
ID=75563630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022509920.XU Active CN213046151U (en) | 2020-11-03 | 2020-11-03 | Multifunctional folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213046151U (en) |
-
2020
- 2020-11-03 CN CN202022509920.XU patent/CN213046151U/en active Active
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