CN111248675B - Adjustable tilting swivel chair without chassis - Google Patents
Adjustable tilting swivel chair without chassis Download PDFInfo
- Publication number
- CN111248675B CN111248675B CN202010195384.2A CN202010195384A CN111248675B CN 111248675 B CN111248675 B CN 111248675B CN 202010195384 A CN202010195384 A CN 202010195384A CN 111248675 B CN111248675 B CN 111248675B
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- Prior art keywords
- fixed
- connecting piece
- movable block
- shaft
- seat frame
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to the technical field of office swivel chairs, in particular to a chassis-free adjustable tilting swivel chair, which aims to overcome the hysteresis of the prior art and provides a chassis-free adjustable tilting swivel chair; including the supporting seat, the upper end of supporting seat is connected with the seat frame through the pivot, the seat frame is "< shape", the open end of seat frame is connected with the back through adapting unit, the handrail, its characterized in that are installed at adapting unit's both ends: the upper end of the opening end of the seat frame is provided with a first connecting piece, the lower end of the opening end of the seat frame is provided with a second connecting piece, a connecting part is arranged between the first connecting piece and the second connecting piece, a torsion spring is arranged between the connecting part and the second connecting piece, and an angle adjusting part is arranged in the connecting part; the beneficial effects are that: the functions of angle adjustment and angle fixation of the backrest are realized through unlocking and locking of the angle adjusting component.
Description
Technical Field
The invention relates to the technical field of office swivel chairs, in particular to a tilting swivel chair without a chassis, which achieves the comfortable use effect of tilting by utilizing material deformation and simple torsion spring technology, and achieves the ideal state of human engineering by connecting a handrail pulling piece to the operation of lifting and tilting functions.
Background
Office swivel chairs are generally used by people in office and IT industries, and common office swivel chairs achieve the functions of adjusting the height and tilting of seats through special chassis mechanisms, and because the chassis used by the existing products in the market are mostly produced by metal, the structure is complicated, the regulation operation is inconvenient, the outward appearance is relatively poor and manufacturing cost is higher, is unfavorable for transportation installation, and the maintenance is more, and conditions such as life is short are extremely unfavorable to modern office and environmental protection.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a tilting swivel chair without a chassis.
In order to achieve the above object, the present invention adopts the following technical scheme:
The utility model provides a chassis-free adjustable tilting swivel chair, includes supporting seat 1, the upper end of supporting seat 1 is connected with seat frame 3 through pivot 2, seat frame 3 is "<" form, is the material deformation body, the open end of seat frame 3 is connected with back 4 through adapting unit 6, and seat frame 3 of "<" form structure can make back 4 pressurized take place deformation, produces tilting thrust through deformation pressure, handrail 5 is installed through locking screw 9 at adapting unit 6's both ends, the tilting of the adjustable chair of plectrum 501 on handrail 5, its characterized in that: the upper end of the open end of the seat frame 3 is provided with a first connecting piece 301, the lower end of the open end of the seat frame 3 is provided with a second connecting piece 302, a connecting part 6 is installed between the first connecting piece 301 and the second connecting piece 302 through a locking screw rotating shaft 11, a torsion spring 8 is installed between the connecting part 6 and the second connecting piece 302, an angle adjusting part 7 is installed in the connecting part 6, one end of the angle adjusting part 7 is connected with 303 of the upper end of the second connecting piece (302) through rack meshing, and the other end of the angle adjusting part 7 is connected with an armrest 5 through a stay wire 10.
The middle part of connecting piece 6 is equipped with the regulation spout 601 of installation angle adjustment part 7, the blind end of regulation spout 601 is equipped with locating hole 605, the inside of connecting piece 6 is equipped with the second locking mounting hole 603 that mutually support with locking screw pivot 11, installs and locks connecting piece 6 on first connecting piece 301 and second connecting piece 302 through the cooperation of locking screw pivot 11 and second locking mounting hole 603, the both ends of connecting piece 6 are equipped with first locking mounting hole 602 and nut mounting hole 604 that mutually support with locking screw 9, install handrail 5 on connecting piece 6 through the cooperation of locking screw 9 and the nut 12 in first locking mounting hole 602 and the nut mounting hole 604.
The angle adjusting part 7 comprises a movable block 701 and a fixed block 702, the fixed block 702 is sleeved at one end of the movable block 701, a shaft 703 is arranged in the middle of the movable block 701 and the fixed block 702 in a penetrating mode, one end of the shaft 703 is fixed on the fixed end 704 at one end of the fixed block 702, the other end of the shaft 703 is inserted into the positioning hole 605, a first spring 7010 is arranged on the shaft 703 between the movable block 701 and the fixed block 702, and the movable block 701 can move back and forth in the fixed block 702 along the shaft 703.
One end of the movable block 701 is provided with a chute 7017, a baffle 7018 is arranged in the chute 7017, a sliding positioning tooth 7011 is sleeved on a shaft 703 between the baffle 7018 and the end part of the chute 7017, and a second spring 7012 and a third spring 7013 are respectively arranged on the shafts 703 at two ends of the sliding positioning tooth 7011.
The upper end of the other end of the movable block 701 is provided with a circulation positioning groove 7019, the circulation positioning groove 7019 is of a step circulation structure, one end of the circulation positioning groove 7019 is an unlocking end 7021, the other end of the circulation positioning groove is a locking end 7020, a positioning rod 705 is installed in the circulation positioning groove 7019, the positioning rod 705 is in a reverse U shape, one end of the positioning rod 705 is arranged in the circulation positioning groove 7019, the other end of the positioning rod 705 is inserted on a fixed end 704, a positioning hole 7015 for inserting the positioning rod 705 is formed in the fixed end 704, a clamp spring 706 matched with the fixed end 704 is arranged above the positioning rod 705, and a second notch 7016 matched with the positioning rod 705 is formed in the fixed block 702.
The lower extreme of the other end of movable block 701 is equipped with interior wire casing pilot hole 709, interior wire casing pilot hole 709 internally fixed mounting has pull wire 10, the other end of pull wire 10 wears to establish behind the sky handrail 5 to be connected with plectrum 501 of handrail 5 tip, fixed block 702 is equipped with and draws wire casing 708 with interior wire casing pilot hole 709 assorted.
The pull wire 10 is fixed to the fixing block 702 by a fixing adjustment nut 707.
The second connecting piece 302 is provided with fixed positioning teeth 303, and the fixed positioning teeth 303 are meshed with the sliding positioning teeth 7011.
A sleeve 7014 is mounted between the sliding positioning teeth 7011 and the shaft 703.
The invention has the beneficial effects that: the backrest 4 is adjusted and positioned by unlocking and locking the angle adjusting part 7, so that the backrest 4 is adjusted according to the requirements of a user, and the user can use the backrest more conveniently and comfortably.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram III of the structure of the present invention;
FIG. 4 is a schematic diagram of a fourth embodiment of the present invention;
FIG. 5 is a schematic diagram of a fifth embodiment of the present invention;
FIG. 6 is a schematic diagram of a sixth embodiment of the present invention;
FIG. 7 is a schematic view of the structure of the connecting member of the present invention;
FIG. 8 is an exploded view of the angle adjustment assembly of the present invention;
FIG. 9 is a second exploded view of the angle adjustment assembly of the present invention;
FIG. 10 is a bottom view of the angle adjustment member of the present invention;
FIG. 11 is a cross-sectional view of an angle adjustment member of the present invention;
FIG. 12 is a first exploded view of the present invention between the armrest, the coupling member, and the angle adjustment member;
FIG. 13 is a second exploded view of the present invention showing the armrest, the connecting member, and the angle adjustment member;
FIG. 14 is a third exploded view of the present invention between the armrest, the coupling member, and the angle adjustment member;
Fig. 15 is an assembly view between the connection member and the angle adjusting member in the present invention.
The figure shows: the support base 1, the rotation shaft 2, the seat frame 3, the backrest 4, the armrest 5, the connection member 6, the angle adjustment member 7, the torsion spring 8, the lock screw 9, the wire 10, the lock screw rotation shaft 11, the nut 12, the first connection member 301, the second connection member 302, the fixed positioning tooth 303, the dial 501, the adjustment chute 601, the first lock mounting hole 602, the second lock mounting hole 603, the nut mounting hole 604, the positioning hole 605, the movable block 701, the fixed block 702, the shaft 703, the fixed end 704, the positioning rod 705, the snap spring 706, the fixed adjustment nut 707, the outer wire slot 708, the inner wire slot mounting hole 709, the first spring 7010, the sliding positioning tooth 7011, the second spring 7012, the third spring 7013, the sleeve 7014, the positioning hole 7015, the second notch 7016, the chute 7017, the shutter 7018, the circulation positioning slot 7019, the locking end 7020, and the unlocking end 7021.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
1-15, Including supporting seat 1, the gyro wheel is installed to the lower extreme of supporting seat 1, the upper end of supporting seat 1 is connected with seat frame 3 through pivot 2, seat frame 3 is "<" form, and be the material shape variant, the open end of seat frame 3 is connected with back 4 through adapting unit 6, and seat frame 3 of "justthe" structure can make back 4 pressurized take place deformation, produces the thrust of leaning and leaning through deformation pressure, handrail 5 is installed through locking screw 9 at adapting unit 6's both ends, the plectrum 501 on handrail 5 can operate the leaning and leaning of chair, its characterized in that: the upper end of the open end of the seat frame 3 is provided with a first connecting piece 301, the lower end of the open end of the seat frame 3 is provided with a second connecting piece 302, a connecting part 6 is installed between the first connecting piece 301 and the second connecting piece 302 through a locking screw rotating shaft 11, a torsion spring 8 is installed between the connecting part 6 and the second connecting piece 302, an angle adjusting part 7 is installed in the connecting part 6, one end of the angle adjusting part 7 is connected with 303 at the upper end of the second connecting piece 302 through rack meshing, and the other end of the angle adjusting part 7 is connected with an armrest 5 through a stay wire 10.
As shown in fig. 7, an adjusting chute 601 for installing the angle adjusting member 7 is provided in the middle of the connecting member 6, a positioning hole 605 is provided at the blind end of the adjusting chute 601, a second locking mounting hole 603 matching with the locking screw shaft 11 is provided in the connecting member 6, the connecting member 6 is mounted and locked on the first connecting member 301 and the second connecting member 302 by matching the locking screw shaft 11 with the second locking mounting hole 603, a first locking mounting hole 602 and a nut mounting hole 604 matching with the locking screw 9 are provided at two ends of the connecting member 6, and the armrest 5 is mounted on the connecting member 6 by matching the locking screw 9 with the first locking mounting hole 602 and the nut 12 in the nut mounting hole 604.
As shown in fig. 8-11, the angle adjusting component 7 includes a movable block 701 and a fixed block 702, the fixed block 702 is sleeved at one end of the movable block 701, a shaft 703 is disposed in the middle of the movable block 701 and the fixed block 702 in a penetrating manner, one end of the shaft 703 is fixed on a fixed end 704 at one end of the fixed block 702, the other end of the shaft 703 is inserted into the positioning hole 605, a first spring 7010 is mounted on the shaft 703 between the movable block 701 and the fixed block 702, and the movable block 701 can move back and forth in the fixed block 702 along the shaft 703.
One end of the movable block 701 is provided with a chute 7017, a baffle 7018 is arranged in the chute 7017, a sliding positioning tooth 7011 is sleeved on a shaft 703 between the baffle 7018 and the end part of the chute 7017, and a second spring 7012 and a third spring 7013 are respectively arranged on the shafts 703 at two ends of the sliding positioning tooth 7011.
The upper end of the other end of the movable block 701 is provided with a circulation positioning groove 7019, the circulation positioning groove 7019 is of a step circulation structure, one end of the circulation positioning groove 7019 is an unlocking end 7021, the other end of the circulation positioning groove is a locking end 7020, a positioning rod 705 is installed in the circulation positioning groove 7019, the positioning rod 705 is in a reverse U shape, one end of the positioning rod 705 is arranged in the circulation positioning groove 7019, the other end of the positioning rod 705 is inserted on a fixed end 704, a positioning hole 7015 for inserting the positioning rod 705 is formed in the fixed end 704, a clamp spring 706 matched with the fixed end 704 is arranged above the positioning rod 705, and a second notch 7016 matched with the positioning rod 705 is formed in the fixed block 702.
The lower extreme of the other end of movable block 701 is equipped with interior wire casing pilot hole 709, interior wire casing pilot hole 709 internally fixed mounting has pull wire 10, the other end of pull wire 10 wears to establish behind the sky handrail 5 to be connected with plectrum 501 of handrail 5 tip, fixed block 702 is equipped with and draws wire casing 708 with interior wire casing pilot hole 709 assorted.
The pull wire 10 is fixed to the fixing block 702 by a fixing adjustment nut 707.
The second connecting piece 302 is provided with fixed positioning teeth 303, and the fixed positioning teeth 303 are meshed with the sliding positioning teeth 7011.
A sleeve 7014 is mounted between the sliding positioning teeth 7011 and the shaft 703.
The working process of the invention is as follows: the pulling wire 10 is pulled by the pulling piece 501, the pulling wire 10 drives the movable block 701 to move in the fixed block 702, the first spring 7010 is in a compressed state, meanwhile, the sliding positioning teeth 7011 are separated from the fixed positioning teeth 303, the positioning rod 705 slides to the locking end 7020 from the unlocking end 7021 in the circulating positioning groove 7019, the movable block 701 is prevented from being restored under the elastic action of the first spring 7010, at the moment, a user can lean against the backrest 4 to move the backrest 4 downwards, the seat frame 3 is in a lying state under the deformation of the seat frame and the combined action of the torsion spring 8 and the backrest 4, after the pulling piece 501 is pulled again, the movable block 701 is restored to the original position under the spring force of the first spring 7010, the sliding positioning teeth 7011 are meshed with the fixed positioning teeth 303, the sliding positioning teeth 7011 are mutually buckled with the fixed positioning teeth 303, and the positioning rod 705 slides to the unlocking end 7021 from the locking end 7020 in the circulating positioning groove 7019, so that the backrest 4 is positioned, and the lying state of the swivel chair is adjusted to the lying state.
Since the second spring 7012 and the third spring 7013 are mounted on the shafts 703 at both ends of the sliding positioning teeth 7011, the sliding positioning teeth 7011 are restored to the original positions under the spring force of the two springs, so as to assist in achieving complete buckling of the sliding positioning teeth 7011 and the fixed positioning teeth 303.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides a no chassis adjustable tilting swivel chair, includes supporting seat (1), the upper end of supporting seat (1) is connected with seat frame (3) through pivot (2), seat frame (3) are "+" form, are the material shape body, the open end of seat frame (3) is connected with back (4) through connecting component (6), handrail (5) are installed through locking screw (9) in the both ends of connecting component (6), its characterized in that: the upper end of the opening end of the seat frame (3) is provided with a first connecting piece (301), the lower end of the opening end of the seat frame (3) is provided with a second connecting piece (302), a connecting part (6) is arranged between the first connecting piece (301) and the second connecting piece (302) through a locking screw rotating shaft (11), a torsion spring (8) is arranged between the connecting part (6) and the second connecting piece (302), an angle adjusting part (7) is arranged in the connecting part (6), one end of the angle adjusting part (7) is connected with fixed positioning teeth (303) at the upper end of the second connecting piece (302) through rack meshing, and the other end of the angle adjusting part (7) is connected with a handrail (5) through a stay wire (10);
the stay wire (10) can drive the movable block (701) to move in the fixed block (702);
An adjusting chute (601) for installing an angle adjusting part (7) is arranged in the middle of the connecting part (6), and a first positioning hole (605) is formed in the blind end of the adjusting chute (601);
The angle adjusting component (7) comprises a movable block (701) and a fixed block (702), the fixed block (702) is sleeved at one end of the movable block (701), a shaft (703) is arranged in the middle of the movable block (701) and the fixed block (702) in a penetrating mode, one end of the shaft (703) is fixed on a fixed end (704) at one end of the fixed block (702), the other end of the shaft (703) is inserted into a first positioning hole (605), a first spring (7010) is arranged on the shaft (703) between the movable block (701) and the fixed block (702), and the movable block (701) can move back and forth in the fixed block (702) along the shaft (703);
One end of the movable block (701) is provided with a chute (7017), a baffle (7018) is arranged in the chute (7017), a sliding positioning tooth (7011) is sleeved on a shaft (703) between the baffle (7018) and the end part of the chute (7017), and a second spring (7012) and a third spring (7013) are respectively arranged on the shafts (703) at two ends of the sliding positioning tooth (7011).
2. The chassis-less adjustable recliner chair of claim 1 wherein: the upper end of the other end of movable block (701) is equipped with circulation constant head tank (7019), circulation constant head tank (7019) is step circulation structure, and its one end is unblock end (7021), and its other end is locking end (7020), install locating lever (705) in circulation constant head tank (7019), locating lever (705) are "U" form, the one end of locating lever (705) is established in circulation constant head tank (7019), the other end of locating lever (705) is inserted and is established on stiff end (704), be equipped with on stiff end (704) and insert second locating hole (7015) of establishing locating lever (705), the top of locating lever (705) be equipped with stiff end (704) matched with jump ring (706), be equipped with on fixed block (702) with locating lever (705) assorted second breach (7016).
3. The chassis-less adjustable recliner chair of claim 2 wherein: the lower extreme of the other end of movable block (701) is equipped with interior wire casing pilot hole (709), interior wire casing pilot hole (709) internal fixation has act as go-between (10), the other end of acting as go-between (10) wears to establish behind hollow handrail (5) with plectrum (501) of handrail (5) tip be connected, fixed block (702) are equipped with interior wire casing pilot hole (709) assorted outer wire casing (708).
4. A pan-less adjustable reclined chair according to claim 3, wherein: the stay wire (10) is fixed on the fixed block (702) through a fixed adjusting nut (707).
5. The chassis-less adjustable recliner chair of claim 4 wherein: the second connecting piece (302) is provided with fixed positioning teeth (303), and the fixed positioning teeth (303) are meshed with the sliding positioning teeth (7011).
6. The chassis-less adjustable recliner chair of claim 1 wherein: a sleeve (7014) is arranged between the sliding positioning tooth (7011) and the shaft (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195384.2A CN111248675B (en) | 2020-03-19 | 2020-03-19 | Adjustable tilting swivel chair without chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195384.2A CN111248675B (en) | 2020-03-19 | 2020-03-19 | Adjustable tilting swivel chair without chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111248675A CN111248675A (en) | 2020-06-09 |
| CN111248675B true CN111248675B (en) | 2024-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010195384.2A Active CN111248675B (en) | 2020-03-19 | 2020-03-19 | Adjustable tilting swivel chair without chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111248675B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747893B (en) * | 2022-03-26 | 2024-12-03 | 圣奥科技股份有限公司 | A wire-controlled adjustment mechanism and a plug-in and pull-out control device for a seat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211862331U (en) * | 2020-03-19 | 2020-11-06 | 重庆高田工贸有限公司 | Adjustable swivel chair that inclines of no chassis |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100569146C (en) * | 2002-07-23 | 2009-12-16 | 株式会社冈村制作所 | Chair |
| CN203860817U (en) * | 2014-03-26 | 2014-10-08 | 吴耀全 | Seat chassis structure |
| CN209269071U (en) * | 2018-11-26 | 2019-08-20 | 陈敏 | The reclining structure of back |
-
2020
- 2020-03-19 CN CN202010195384.2A patent/CN111248675B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211862331U (en) * | 2020-03-19 | 2020-11-06 | 重庆高田工贸有限公司 | Adjustable swivel chair that inclines of no chassis |
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| Publication number | Publication date |
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| CN111248675A (en) | 2020-06-09 |
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