CN207639952U - A kind of swivel chair convenient for adjustment backrest up and down - Google Patents
A kind of swivel chair convenient for adjustment backrest up and down Download PDFInfo
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- CN207639952U CN207639952U CN201820223789.0U CN201820223789U CN207639952U CN 207639952 U CN207639952 U CN 207639952U CN 201820223789 U CN201820223789 U CN 201820223789U CN 207639952 U CN207639952 U CN 207639952U
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- fixed
- sliding
- support plate
- connecting pole
- swivel chair
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Abstract
The utility model discloses a kind of swivel chairs convenient for adjustment backrest up and down,Including pedestal,The top center position of the pedestal is fixed with support column,Rotation seat is fixed at the top of support column,Support plate is rotatablely equipped at the top of rotation seat,The side of support plate is fixedly arranged in the middle of horizontally disposed cross bar,First connecting pole is fixed with the first mounting blocks close to the side of support plate,Second connecting pole is fixed with the second mounting blocks close to the side of support plate,The sliding bar being vertically arranged is fixed between first mounting blocks and the second mounting blocks,Being adjusted on sliding bar has sliding shoe,Sliding shoe is fixed on the side of sliding sleeve close to the side of sliding sleeve,Side of the sliding shoe far from sliding sleeve is fixed with backrest,The top both sides of the support plate are all provided with that there are two the sliding slots that are mutually parallel,Two sliding slots are located at the both sides of cross bar,Side of the sliding slot far from cross bar is equipped with handrail.The utility model structure novel, it is ingenious in design, it is reasonable for structure, it is suitble to promote.
Description
Technical field
The utility model is related to swivel chair technical field more particularly to a kind of swivel chairs convenient for adjustment backrest up and down.
Background technology
《The Book of Songs》Have " its chair of its paulownia ", " chair " i.e. " Chinese catalpa ", is a kind of title of trees.It is recorded according to books, the title of chair
First appeared in the Tang Dynasty, and the image of chair will then pass up to the Hu bed in incoming north when Chinese Wei.285 cave mural painting of Dunhuang just has two people point
The image being sitting on chair；There is the women for sitting square stool and cross leg bench in 257 cave mural paintings；There is seat to justify in the stone carving of gantry lotus flower hole
Stool women.These images have vivo reproduced Northern and Southern Dynasties' period chair, service condition of the stool in official noble family.Although at that time
Thing to sit on have been equipped with the shape of chair, stool, but because at that time without the appellation of chair, stool, people are also accustomed to being referred to as " Hu bed ",
In temple, it is usually used in sitting in meditation, therefore also known as bed for meditation.After the Tang Dynasty, the use of chair gradually increases, and the title of chair is also extensive
It uses, is just separated from the category of bed.Therefore, refer to the origin of chair, stool, it is necessary to from the Chinese Wei when Hu bed talk.
The backrest of existing transfer is inconvenient to adjust, and is generally adjusted by telescopic rod, and adjusting is cumbersome, for this purpose,
The utility model proposes a kind of swivel chairs convenient for adjustment backrest up and down.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is convenient for upper downward
The swivel chair of whole backrest.
To achieve the goals above, the utility model uses following technical solution：
A kind of swivel chair convenient for adjustment backrest up and down, including pedestal, the top center position of the pedestal are fixed with support
Column is fixed with rotation seat at the top of support column, support plate is rotatablely equipped at the top of rotation seat, a middle side part of support plate is fixed
There is horizontally disposed cross bar, the first connecting pole be fixed at the top of cross bar, Rotational Cylindrical is rotatablely equipped at the top of the first connecting pole,
The upper end of Rotational Cylindrical is movably installed with the second connecting pole, and the outer wall of the Rotational Cylindrical is equipped with external screw thread, and screw thread connects in Rotational Cylindrical
It is connected to sliding sleeve, the first connecting pole is fixed with the first mounting blocks close to the side of support plate, and the second connecting pole is close to support plate
Side is fixed with the second mounting blocks, and the sliding bar being vertically arranged, sliding bar are fixed between the first mounting blocks and the second mounting blocks
Upper adjusting has a sliding shoe, and sliding shoe is fixed on the side of sliding sleeve close to the side of sliding sleeve, sliding shoe far from sliding sleeve one
Side is fixed with backrest, and the top both sides of the support plate are all provided with there are two the sliding slot being mutually parallel, and two sliding slots are located at cross bar
Both sides, side of the sliding slot far from cross bar are equipped with handrail.
Preferably, the top of the rotation seat is equipped with bearing groove, is equipped with first bearing in the bearing groove, and described first
Montant is installed, the upper end of the montant is fixed on the bottom centre position of support plate, and the rotation seat is in the inner ring of bearing
Cylindrical-shaped structure.
Preferably, the handrail includes telescopic rod, rotating bar and limited block, wherein the lower end of telescopic rod is turned by shaft
Dynamic to be mounted on the side wall of sliding slot, the upper end of telescopic rod is hinged with rotating bar, and telescopic rod is fixed with close to a upper lateral part of cross bar
Limited block.
Preferably, the both sides of the support plate are threaded with clamping screw, and one end of clamping screw extends in sliding slot, position
Clamping screw one end in sliding slot is against the lower end side of telescopic rod.
Preferably, when the rotating bar rotation is placed on the top of limited block, the top surface of rotating bar and support plate is mutually flat
Row.
Preferably, the top of first connecting pole is equipped with mounting groove, and second bearing, second bearing are equipped in mounting groove
Inner ring be fixed with link block, the bottom of Rotational Cylindrical is fixed at the top of link block.
Preferably, the outer wall lower part fixing sleeve of the Rotational Cylindrical is connected to Anti-slip cover, and Anti-slip cover uses rubber material.
Preferably, it is fixed with footstock at the top of second connecting pole.
Compared with prior art, the utility model has the beneficial effects that：It is movably installed with second by the upper end of Rotational Cylindrical
Connecting pole, the outer wall of Rotational Cylindrical are equipped with external screw thread, are threaded with sliding sleeve in Rotational Cylindrical, sliding shoe close to sliding sleeve one
Side is fixed on the side of sliding sleeve, and side of the sliding shoe far from sliding sleeve is fixed with backrest, when in use, rotates Anti-slip cover, from
And Rotational Cylindrical can be made to rotate, and then sliding sleeve is made to move up and down, sliding sleeve drives sliding shoe to move up and down, thus can more than
Lower adjusting backrest, easy to adjust, by the design of handrail, handrail takes out when can use from sliding slot, then by rotating bar
It rotates horizontal, facilitates and arm is placed on handrail, the utility model structure novel is ingenious in design, reasonable for structure, is suitble to push away
Extensively.
Description of the drawings
Fig. 1 be the utility model proposes it is a kind of convenient for up and down adjustment backrest swivel chair structural schematic diagram；
Fig. 2 be the utility model proposes it is a kind of convenient for up and down adjustment backrest swivel chair in support plate vertical view；
Fig. 3 be the utility model proposes it is a kind of convenient for up and down adjustment backrest swivel chair in rotating bar be in vertical state when
Structural schematic diagram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of swivel chair convenient for adjustment backrest up and down, including pedestal 1, the top center position of pedestal 1 are solid
There are support column 2, the top of support column 2 to be fixed with rotation seat 3, the top of rotation seat 3 is rotatablely equipped with support plate 6, support plate 6 surely
Side be fixedly arranged in the middle of horizontally disposed cross bar 11, the top of cross bar 11 is fixed with the first connecting pole 13, the first connecting pole 13
Top be rotatablely equipped with Rotational Cylindrical 15, the upper end of Rotational Cylindrical 15 is movably installed with the second connecting pole 18, the outer wall of Rotational Cylindrical 15
It is equipped with external screw thread, is threaded with sliding sleeve 17 in Rotational Cylindrical 15, the first connecting pole 13 is fixed with close to the side of support plate 6
First mounting blocks 12, the second connecting pole 18 are fixed with the second mounting blocks 20, the first mounting blocks 12 and close to the side of support plate 6
The sliding bar 22 being vertically arranged is fixed between two mounting blocks 20, being adjusted on sliding bar 22 has sliding shoe 16, sliding shoe 16 close
The side of sliding sleeve 17 is fixed on the side of sliding sleeve 17, and side of the sliding shoe 16 far from sliding sleeve 17 is fixed with backrest 21, branch
The top both sides of fagging 6 are all provided with there are two the sliding slot 5 being mutually parallel, and two sliding slots 5 are located at the both sides of cross bar 11, and sliding slot 5 is separate
The side of cross bar 11 is equipped with handrail.
In the utility model, the top of rotation seat 3 is equipped with bearing groove, and first bearing, first bearing are equipped in bearing groove
Inner ring in montant 4 is installed, the upper end of montant 4 is fixed on the bottom centre position of support plate 6,3 cylindrical knot of rotation seat
Structure, handrail include telescopic rod 8, rotating bar 10 and limited block 9, wherein the lower end of telescopic rod 8 is rotatably installed in cunning by shaft 7
On the side wall of slot 5, the upper end of telescopic rod 8 is hinged with rotating bar 10, and telescopic rod 8 is fixed with limit close to a upper lateral part of cross bar 11
The both sides of block 9, support plate 6 are threaded with clamping screw, and one end of clamping screw extends in sliding slot 5, the lock being located in sliding slot 5
Tight bolt one end is against the lower end side of telescopic rod 8, when the rotation of rotating bar 10 is placed on the top of limited block 9, rotating bar 10 with
The top surface of support plate 6 is mutually parallel, and the top of the first connecting pole 13 is equipped with mounting groove, and second bearing is equipped in mounting groove, the
The inner ring of two bearings is fixed with link block, and the bottom of Rotational Cylindrical 15, the outer wall lower part of Rotational Cylindrical 15 are fixed at the top of link block
Fixing sleeve is connected to Anti-slip cover 14, and Anti-slip cover 14 uses rubber material, and the top of the second connecting pole 18 is fixed with footstock 19.
When the utility model is used, being movably installed with the second connecting pole 18, Rotational Cylindrical 15 by the upper end of Rotational Cylindrical 15
Outer wall be equipped with external screw thread, sliding sleeve 17 is threaded in Rotational Cylindrical 15, sliding shoe 16 is solid close to the side of sliding sleeve 17
It is scheduled on the side of sliding sleeve 17, side of the sliding shoe 16 far from sliding sleeve 17 is fixed with backrest 21, when in use, rotates Anti-slip cover
14, so as to so that Rotational Cylindrical 15 rotate, and then make sliding sleeve 17 move up and down, sliding sleeve 17 drive about 16 sliding shoe fortune
It is dynamic, thus can be easy to adjust with up and down adjustment backrest 21, by the design of handrail, taken from sliding slot 5 when handrail can use
Out, then rotating bar 10 is rotated horizontal, facilitates and arm is placed on handrail, the utility model structure novel, design
It is ingenious, it is reasonable for structure, it is suitble to promote.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of swivel chair convenient for adjustment backrest up and down, including pedestal (1), which is characterized in that the top center of the pedestal (1)
Position is fixed with support column (2), and rotation seat (3) is fixed at the top of support column (2), and rotation seat is rotatablely equipped at the top of (3)
The side of support plate (6), support plate (6) is fixedly arranged in the middle of horizontally disposed cross bar (11), and is fixed at the top of cross bar (11)
One connecting pole (13) is rotatablely equipped with Rotational Cylindrical (15), the upper end activity peace of Rotational Cylindrical (15) at the top of the first connecting pole (13)
Equipped with the second connecting pole (18), the outer wall of the Rotational Cylindrical (15) is equipped with external screw thread, and Rotational Cylindrical is threaded with cunning on (15)
Dynamic set (17), the first connecting pole (13) are fixed with the first mounting blocks (12), the second connecting pole (18) close to the side of support plate (6)
The second mounting blocks (20) are fixed with close to the side of support plate (6), it is solid between the first mounting blocks (12) and the second mounting blocks (20)
Surely there is the sliding bar (22) being vertically arranged, being adjusted on sliding bar (22) has sliding shoe (16), and sliding shoe (16) is close to sliding sleeve
(17) side is fixed on the side of sliding sleeve (17), and side of the sliding shoe (16) far from sliding sleeve (17) is fixed with backrest
(21), the top both sides of the support plate (6) are all provided with there are two the sliding slot (5) being mutually parallel, and two sliding slots (5) are located at cross bar
(11) both sides, side of the sliding slot (5) far from cross bar (11) are equipped with handrail.
2. a kind of swivel chair convenient for adjustment backrest up and down according to claim 1, which is characterized in that the rotation seat (3)
Top be equipped with bearing groove, first bearing is installed in the bearing groove, montant is installed in the inner ring of the first bearing
(4), the upper end of the montant (4) is fixed on the bottom centre position of support plate (6), the cylindrical structure of the rotation seat (3).
3. a kind of swivel chair convenient for adjustment backrest up and down according to claim 1, which is characterized in that the handrail includes stretching
Contracting bar (8), rotating bar (10) and limited block (9), wherein the lower end of telescopic rod (8) is rotatably installed in sliding slot by shaft (7)
(5) on side wall, the upper end of telescopic rod (8) is hinged with rotating bar (10), and telescopic rod (8) is solid close to a upper lateral part of cross bar (11)
Surely there is limited block (9).
4. a kind of swivel chair convenient for adjustment backrest up and down according to claim 1, which is characterized in that the support plate (6)
Both sides be threaded with clamping screw, one end of clamping screw extends in sliding slot (5), the clamping screw being located in sliding slot (5)
One end is against the lower end side of telescopic rod (8).
5. a kind of swivel chair convenient for adjustment backrest up and down according to claim 3, which is characterized in that the rotating bar (10)
When rotation is placed on the top of limited block (9), rotating bar (10) and the top surface of support plate (6) are mutually parallel.
6. a kind of swivel chair convenient for adjustment backrest up and down according to claim 1, which is characterized in that first connecting pole
(13) top is equipped with mounting groove, is equipped with second bearing in mounting groove, the inner ring of second bearing is fixed with link block, link block
Top be fixed on the bottoms of Rotational Cylindrical (15).
7. a kind of swivel chair convenient for adjustment backrest up and down according to claim 1, which is characterized in that the Rotational Cylindrical (15)
Outer wall lower part fixing sleeve be connected to Anti-slip cover (14), Anti-slip cover (14) uses rubber material.
8. a kind of swivel chair convenient for adjustment backrest up and down according to claim 1, which is characterized in that second connecting pole
(18) footstock (19) is fixed at the top of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223789.0U CN207639952U (en) | 2018-02-08 | 2018-02-08 | A kind of swivel chair convenient for adjustment backrest up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223789.0U CN207639952U (en) | 2018-02-08 | 2018-02-08 | A kind of swivel chair convenient for adjustment backrest up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207639952U true CN207639952U (en) | 2018-07-24 |
Family
ID=62876118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820223789.0U Active CN207639952U (en) | 2018-02-08 | 2018-02-08 | A kind of swivel chair convenient for adjustment backrest up and down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207639952U (en) |
-
2018
- 2018-02-08 CN CN201820223789.0U patent/CN207639952U/en active Active
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