CN220088990U - Multifunctional dual-purpose backrest chair - Google Patents
Multifunctional dual-purpose backrest chair Download PDFInfo
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- CN220088990U CN220088990U CN202321667639.6U CN202321667639U CN220088990U CN 220088990 U CN220088990 U CN 220088990U CN 202321667639 U CN202321667639 U CN 202321667639U CN 220088990 U CN220088990 U CN 220088990U
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- 210000001364 upper extremity Anatomy 0.000 claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of folding chairs, and discloses a multifunctional dual-purpose backrest chair, which comprises two main beams, two auxiliary beams, two first rotating shafts and two second rotating shafts, wherein the two main beams are respectively provided with limiting grooves, the two auxiliary beams are respectively arranged on the inner wall surfaces of the two main beams, the two first rotating shafts are respectively arranged in the limiting grooves respectively arranged on the two main beams, the two second rotating shafts are respectively arranged in the limiting grooves respectively arranged on the two main beams, the inner wall surfaces of the two main beams are connected with backrest structures, the outer wall surfaces of the backrest structures are connected with handrail structures, and the inner wall surfaces of the two main beams are connected with supporting structures; according to the utility model, the two seat rear legs and the two seat front legs are folded, so that the rear leg cross beam, the front leg cross beam and the two bearing blocks are used as supports, an operator can sit on the ground, the riding height is reduced, and the riding height can be raised to realize multi-position riding by folding and expanding the two seat rear legs and the two seat front legs.
Description
Technical Field
The utility model belongs to the technical field of folding chairs, and particularly relates to a multifunctional dual-purpose backrest chair.
Background
The folding chair is a portable and stackable chair, is convenient to carry, saves space, is initially used for military use, and is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.
The conventional folding chair cannot be continuously taken after being folded, cannot be adjusted in height, is not flexible enough, and has insufficient functionality, so that a multifunctional dual-purpose backrest chair is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a multifunctional dual-purpose backrest chair, which solves the problems that the traditional folding chair provided in the background art cannot be continuously taken after being folded, cannot be adjusted in height, is not flexible enough and has insufficient functionality.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multi-functional double-purpose back chair, includes two girders, two auxiliary beams, two first pivots and two second pivots, two the spacing groove has been seted up respectively to the girder, two the auxiliary beams are installed respectively at the internal face of two girders, two the spacing inslot that sets up respectively at two girders is installed respectively to first pivots, two the spacing inslot that sets up respectively at two girders is installed respectively to the second pivot, two the internal face of girder is connected with back structure, back structure's external wall is connected with handrail structure, two the internal face of girder is connected with bearing structure, bearing structure's external wall is connected with auxiliary structure.
Preferably, the backrest structure comprises: two backrest connecting rods, two backrest supporting rods and a backrest bearing rod; the two backrest connecting rods are respectively sleeved on the outer wall surfaces of the two first rotating shafts, the two backrest supporting rods are respectively sleeved on the outer wall surfaces of the two backrest connecting rods, and the two ends of the backrest bearing rod are respectively connected with the inner wall surfaces of the two backrest supporting rods.
Preferably, the armrest structure comprises: two backrest armrests, two armrest connecting rods and two armrest bearing rods; the two backrest handrails are respectively connected to the outer wall surfaces of the two backrest supporting rods, the two handrail connecting rods are respectively connected to the outer ends of the two backrest handrails, and the two handrail bearing rods are respectively connected to the lower ends of the two handrail connecting rods.
Preferably, the support structure comprises: two limiting frames, four limiting nails, two seat rear legs, a rear leg beam, two front leg connecting rods, two seat front legs and a front leg beam; the two limiting brackets are respectively sleeved on the outer wall surfaces of the two first rotating shafts, the four limiting nails are respectively arranged on the inner wall surfaces of the two limiting brackets, the two rear legs of the seat are respectively arranged on the inner wall surfaces of the two limiting brackets and are respectively connected with one limiting nail and the first rotating shaft, the rear leg cross beam is arranged on the outer wall surfaces of the rear legs of the two seats, the two front leg connecting rods are respectively sleeved on the outer wall surfaces of the two second rotating shafts, the two front legs of the seat are respectively sleeved on the outer wall surfaces of the two front leg connecting rods, and the front leg cross beam is arranged on the outer wall surfaces of the front legs of the two seats.
Preferably, the auxiliary structure comprises: two auxiliary limit nails and two structural reinforcing ribs; the two auxiliary limit nails are respectively arranged on the inner wall surfaces of the two main beams, and the two structural reinforcing ribs are respectively sleeved on the outer wall surfaces of the two auxiliary limit nails.
Preferably, two bearing blocks are mounted on the lower wall surfaces of the two main beams.
Through the technical scheme, the following technical effects can be achieved:
compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a multifunctional dual-purpose backrest chair.
According to the utility model, the two backrest support rods drive the two armrest bearing rods to rotate, so that the two backrest support rods are overlapped with the two backrest armrests, the two main beams are overlapped with the two armrest bearing rods, the upper parts of the two main beams are folded, the rear leg cross beam, the front leg cross beam and the two bearing blocks are used as supports by folding the rear legs of the two seats and the front legs of the two seats, so that operators can sit on the ground, the sitting height is reduced, the sitting height can be increased to realize multi-position sitting by folding and expanding the rear legs of the two seats and the front legs of the two seats, the problems that the traditional folding chair cannot continue sitting after being folded, cannot be adjusted in height, and the folding chair is not flexible and has insufficient functionality are solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure according to the present utility model;
FIG. 3 is a schematic view of a folding structure according to the present utility model;
fig. 4 is a schematic diagram of a limiting frame according to the present utility model.
In the figure: 1. a main beam; 2. an auxiliary beam; 3. a first rotating shaft; 4. a second rotating shaft; 5. a backrest connecting rod; 6. a back support bar; 7. a backrest load-bearing rod; 8. a backrest armrest; 9. a handrail connecting rod; 10. a handrail bearing rod; 11. a limiting frame; 12. a limit nail; 13. a seat rear leg; 14. a rear leg cross member; 15. a front leg connecting rod; 16. a seat front leg; 17. a front leg cross member; 18. auxiliary limit nails; 19. structural reinforcing ribs; 20. and a bearing block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-4, the present utility model provides a technical solution:
embodiment one:
as can be seen from fig. 1-4 of the specification, the multifunctional dual-purpose backrest chair comprises two main beams 1, two auxiliary beams 2, two first rotating shafts 3 and two second rotating shafts 4, wherein the two main beams 1 are respectively provided with limiting grooves, the two auxiliary beams 2 are respectively arranged on the inner wall surfaces of the two main beams 1, the two first rotating shafts 3 are respectively arranged in the limiting grooves respectively arranged on the two main beams 1, the two second rotating shafts 4 are respectively arranged in the limiting grooves respectively arranged on the two main beams 1, the inner wall surfaces of the two main beams 1 are connected with a backrest structure, the outer wall surfaces of the backrest structure are connected with armrest structures, the inner wall surfaces of the two main beams 1 are connected with supporting structures, the outer wall surfaces of the supporting structures are connected with auxiliary structures, and the lower wall surfaces of the two main beams 1 are provided with two bearing blocks 20.
As can be seen from fig. 1 to 3 of the drawings, in the specific implementation, the backrest structure comprises: two backrest connecting rods 5, two backrest supporting rods 6 and a backrest bearing rod 7; the two backrest connecting rods 5 are respectively sleeved on the outer wall surfaces of the two first rotating shafts 3, the two backrest supporting rods 6 are respectively sleeved on the outer wall surfaces of the two backrest connecting rods 5, and two ends of the backrest bearing rod 7 are respectively connected with the inner wall surfaces of the two backrest supporting rods 6.
As can be seen from fig. 1 to 3 of the accompanying drawings, in the specific implementation, the handrail structure comprises: two backrest armrests 8, two armrest connecting rods 9 and two armrest bearing rods 10; the two backrest handrails 8 are respectively connected to the outer wall surfaces of the two backrest support rods 6, the two handrail connecting rods 9 are respectively connected to the outer ends of the two backrest handrails 8, and the two handrail bearing rods 10 are respectively connected to the lower ends of the two handrail connecting rods 9.
In this embodiment, the two backrest support rods 6 drive the two armrest bearing rods 10 to rotate, so that the two backrest support rods 6 are overlapped with the two backrest armrests 8, the two main beams 1 are overlapped with the two armrest bearing rods 10, and the upper parts of the two main beams 1 are folded.
Specifically, the operator holds the backrest bearing bar 7 and drives the two backrest support bars 6 to respectively rotate the two backrest support bars 5 clockwise around the two first rotating shafts 3 until the two backrest support bars 6 coincide with the two main beams 1, between which the two backrest support bars 6 respectively drive the two backrest handrails 8 to move forward, the two backrest handrails 8 respectively drive the two handrail bearing bars 10 to rotate clockwise around rivets on the two main beams 1 through the two handrail connection bars 9, the two handrail connection bars 9 respectively change positions in the movement of the two backrest handrails 8 and the two handrail bearing bars 10, finally, the two backrest support bars 6 coincide with the two backrest handrails 8, and the two main beams 1 coincide with the two handrail bearing bars 10.
Embodiment two:
as can be seen from fig. 1 to 4 of the accompanying drawings, in the specific implementation, the support structure comprises: two limiting frames 11, four limiting nails 12, two seat rear legs 13, a rear leg beam 14, two front leg connecting rods 15, two seat front legs 16 and a front leg beam 17; the two limiting brackets 11 are respectively sleeved on the outer wall surfaces of the two first rotating shafts 3, the four limiting nails 12 are respectively installed on the inner wall surfaces of the two limiting brackets 11, the two seat rear legs 13 are respectively installed on the inner wall surfaces of the two limiting brackets 11 and are respectively connected with one limiting nail 12 and the first rotating shafts 3, the rear leg cross beam 14 is installed on the outer wall surfaces of the two seat rear legs 13, the two front leg connecting rods 15 are respectively sleeved on the outer wall surfaces of the two second rotating shafts 4, the two seat front legs 16 are respectively sleeved on the outer wall surfaces of the two front leg connecting rods 15, and the front leg cross beam 17 is installed on the outer wall surfaces of the two seat front legs 16.
As can be seen from fig. 1 to 4 of the accompanying drawings, in the specific implementation, the auxiliary structure comprises: two auxiliary limit nails 18 and two structural reinforcing ribs 19; two auxiliary limiting nails 18 are respectively arranged on the inner wall surfaces of the two main beams 1, and two structural reinforcing ribs 19 are respectively sleeved on the outer wall surfaces of the two auxiliary limiting nails 18.
In this embodiment, by folding the two seat rear legs 13 and the two seat front legs 16, the rear leg cross member 14, the front leg cross member 17, and the two bearing blocks 20 are supported, so that an operator can sit on the ground, the sitting height is reduced, and by folding and expanding the two seat rear legs 13 and the two seat front legs 16, the sitting height can be raised, so that a multi-position sitting is realized.
Specifically, the operator holds two structural reinforcing ribs 19, respectively takes down the lower ends of the two structural reinforcing ribs 19 along the clamping blocks on the two seat front legs 16, then rotates the two structural reinforcing ribs 19 around the two auxiliary limiting nails 18 respectively, fixes the lower ends of the two structural reinforcing ribs 19 on the clamping blocks on the two main beams 1, then holds one seat front leg 16 to drive the other seat front leg 16 through the front leg beam 17 to enable the two front leg connecting rods 15 to rotate clockwise around the two second rotating shafts 4 respectively until the two seat front legs 16 coincide with the lower wall surfaces of the two main beams 1, then holds one seat rear leg 13, drives the other seat rear leg 13 through the rear leg beam 14 to enable the two limiting frames 11 to rotate anticlockwise around the two first rotating shafts 3 respectively until the two seat rear legs 13 coincide with the two armrest rods 10, completes folding, and at this time, the rear leg beam 14, the front leg beam 17 and the two bearing blocks 20 are flush and placed on the ground to be used as supporting bodies.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a multi-functional double-purpose back chair, includes two girder (1), two auxiliary girder (2), two first pivot (3) and two second pivot (4), its characterized in that, two limit groove has been seted up respectively to girder (1), two auxiliary girder (2) are installed respectively at the internal face of two girder (1), two first pivot (3) are installed respectively in the limit groove of seting up respectively at two girder (1), two second pivot (4) are installed respectively in the limit groove of seting up respectively at two girder (1), two the internal face of girder (1) is connected with back structure, back structure's external wall is connected with handrail structure, two the internal face of girder (1) is connected with bearing structure, bearing structure's external wall is connected with auxiliary structure.
2. The multi-purpose dual use back rest chair of claim 1, wherein the back rest structure comprises: two backrest connecting rods (5), two backrest supporting rods (6) and a backrest bearing rod (7);
the two backrest connecting rods (5) are respectively sleeved on the outer wall surfaces of the two first rotating shafts (3), the two backrest supporting rods (6) are respectively sleeved on the outer wall surfaces of the two backrest connecting rods (5), and the two ends of the backrest bearing rod (7) are respectively connected with the inner wall surfaces of the two backrest supporting rods (6).
3. The multi-purpose dual use back rest chair of claim 2, wherein the armrest structure comprises: two backrest armrests (8), two armrest connecting rods (9) and two armrest bearing rods (10);
the two backrest handrails (8) are respectively connected to the outer wall surfaces of the two backrest support rods (6), the two handrail connecting rods (9) are respectively connected to the outer ends of the two backrest handrails (8), and the two handrail bearing rods (10) are respectively connected to the lower ends of the two handrail connecting rods (9).
4. The multi-purpose dual use back rest chair of claim 1, wherein the support structure comprises: two limiting frames (11), four limiting nails (12), two seat rear legs (13), a rear leg cross beam (14), two front leg connecting rods (15), two seat front legs (16) and a front leg cross beam (17);
two spacing (11) are respectively the suit at the outer wall of two first pivots (3), four spacing nail (12) are installed respectively at the inner wall of two spacing (11), two seat back leg (13) are installed respectively at the inner wall of two spacing (11), and link to each other with a spacing nail (12) and first pivot (3) respectively, back leg crossbeam (14) are installed at the outer wall of two seat back legs (13), two preceding leg connecting rod (15) are respectively the suit at the outer wall of two second pivots (4), two seat front legs (16) are respectively the suit at the outer wall of two preceding leg connecting rod (15), preceding leg crossbeam (17) are installed at the outer wall of two seat front legs (16).
5. The multi-purpose dual use back rest chair of claim 1, wherein the auxiliary structure comprises: two auxiliary limit nails (18) and two structural reinforcing ribs (19);
two auxiliary limit nails (18) are respectively arranged on the inner wall surfaces of the two main beams (1), and two structural reinforcing ribs (19) are respectively sleeved on the outer wall surfaces of the two auxiliary limit nails (18).
6. The multifunctional dual-purpose back chair according to claim 1, characterized in that two bearing blocks (20) are mounted on the lower wall surfaces of two main beams (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321667639.6U CN220088990U (en) | 2023-06-28 | 2023-06-28 | Multifunctional dual-purpose backrest chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321667639.6U CN220088990U (en) | 2023-06-28 | 2023-06-28 | Multifunctional dual-purpose backrest chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220088990U true CN220088990U (en) | 2023-11-28 |
Family
ID=88842191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321667639.6U Active CN220088990U (en) | 2023-06-28 | 2023-06-28 | Multifunctional dual-purpose backrest chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220088990U (en) |
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2023
- 2023-06-28 CN CN202321667639.6U patent/CN220088990U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |