CN211862331U

CN211862331U - Adjustable swivel chair that inclines of no chassis

Info

Publication number: CN211862331U
Application number: CN202020356477.4U
Authority: CN
Inventors: 谭干荣
Original assignee: Chongqing Gaotian Industry And Trade Co ltd
Current assignee: Chongqing Gaotian Industry And Trade Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-06
Anticipated expiration: 2030-03-19

Abstract

The utility model relates to the technical field of office swivel chairs, in particular to a base-plate-free adjustable tilting swivel chair, which aims to overcome the lag of the prior art and provide a base-plate-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 "angle" form, the open end of seat frame is connected with the back through adapting unit, 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 angle adjusting and angle fixing functions of the backrest are realized through unlocking and locking of the angle adjusting component.

Description

Adjustable swivel chair that inclines of no chassis

Technical Field

The utility model relates to an official working swivel chair technical field specifically is a no adjustable swivel chair that heels that inclines of chassis utilizes the simple torsional spring technique of material deformation cooperation, reaches to incline and face upward comfortable result of use, links to the operation of going up and down and the function of heeling over through the handrail plectrum, reaches ergonomic's ideal state.

Background

The office swivel chair is generally used for the crowd of official working and IT trade, and common office swivel chair reaches the effect of adjusting the seat height and inclining through dedicated chassis mechanism, because the chassis that current product used on the market is produced with the metal mostly, and the structure is complicated, adjusts the operation inconveniently, and the outward appearance is relatively poor and manufacturing cost is higher, is unfavorable for the transportation installation, and the maintenance is more, and the condition such as life weak point is extremely unfavorable to modern official working and environmental protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a non-chassis adjustable tilting swivel chair.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a no adjustable chair of inclining and facing upward of chassis, includes supporting seat 1, the upper end of supporting seat 1 is connected with seat frame 3 through pivot 2, seat frame 3 is "angle" form, is the material morphotropism body, the open end of seat frame 3 is connected with back 4 through adapting unit 6, and the seat frame 3 of "angle" column structure can make back 4 pressurized take place deformation, produces the thrust of inclining and facing upward through deformation pressure, handrail 5 is installed through locking screw 9 at adapting unit 6's both ends, the inclining and facing upward of the operable chair of plectrum 501 on handrail 5, its characterized in that: the upper end of the open end of seat frame 3 is equipped with first connecting piece 301, the lower extreme of the open end of seat frame 3 is equipped with second connecting piece 302, install adapting unit 6 through locking screw pivot 11 between first connecting piece 301 and the second connecting piece 302, install torsional spring 8 between adapting unit 6 and the second connecting piece 302, adapting unit 6's internally mounted has angle adjusting part 7, be connected through rack toothing between the one end of angle adjusting part 7 and the fixed position tooth 303 of second connecting piece 302 upper end, angle adjusting part 7's the other end is connected with handrail 5 through acting as go-between 10.

The middle of the connecting part 6 is provided with an adjusting sliding groove 601 for installing the angle adjusting part 7, the blind end of the adjusting sliding groove 601 is provided with a first positioning hole 605, the inside of the connecting part 6 is provided with a second locking installation hole 603 matched with the locking screw rotating shaft 11, the connecting part 6 is installed and locked on the first connecting piece 301 and the second connecting piece 302 through the matching of the locking screw rotating shaft 11 and the second locking installation hole 603, the two ends of the connecting part 6 are provided with a first locking installation hole 602 and a nut installation hole 604 matched with the locking screw 9, and the handrail 5 is installed on the connecting part 6 through the matching of the locking screw 9 and the nut 12 in the first locking installation hole 602 and the nut installation hole 604.

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 penetrates through the middle parts of the movable block 701 and the fixed block 702, 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 installed 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 sliding groove 7017, a baffle 7018 is arranged in the sliding groove 7017, a sliding positioning tooth 7011 is sleeved on a shaft 703 between the baffle 7018 and the end of the sliding groove 7017, and a second spring 7012 and a third spring 7013 are respectively mounted on 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 stepped circulation structure, one end of the circulation positioning groove 7019 is an unlocking end 7021, the other end of the circulation positioning groove 7020 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 in the fixing end 704, a second positioning hole 7015 for inserting the positioning rod 705 is formed in the fixing end 704, a snap spring 706 matched with the fixing end 704 is arranged above the positioning rod 705, and a second notch 7016 matched with the positioning rod 705 is formed in.

The lower extreme of the other end of movable block 701 is equipped with interior wire casing pilot hole 709, fixed mounting has the stay wire 10 in the interior wire casing pilot hole 709, the other end of stay wire 10 wears to establish and is connected with the plectrum 501 of handrail 5 tip behind the interior hollow handrail 5, fixed block 702 is equipped with the outer wire casing 708 of matching with interior wire casing pilot hole 709.

The pull wire 10 is fixed on the fixing block 702 through a fixing adjusting nut 707.

The second connecting piece 302 is provided with a fixed positioning tooth 303, and the fixed positioning tooth 303 is meshed with the sliding positioning tooth 7011.

A sleeve 7014 is arranged between the sliding positioning tooth 7011 and the shaft 703.

The beneficial effects of the utility model reside in that: the backrest 4 is adjusted and positioned by unlocking and locking the angle adjusting part 7, so that the backrest 4 can be adjusted according to the requirements of a user, and the user can use the backrest more conveniently and comfortably.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a third schematic structural view of the present invention;

fig. 4 is a fourth schematic structural diagram of the present invention;

fig. 5 is a fifth schematic structural view of the present invention;

fig. 6 is a sixth schematic structural view of the present invention;

FIG. 7 is a schematic structural diagram of a connecting member according to the present invention;

fig. 8 is an exploded view of the angle adjustment member of the present invention;

fig. 9 is an exploded view of the angle adjustment member of the present invention;

fig. 10 is a bottom view of the angle adjustment component of the present invention;

fig. 11 is a sectional view of the angle adjusting unit of the present invention;

fig. 12 is a first exploded view of the armrest, the connecting member, and the angle adjustment member of the present invention;

fig. 13 is a second exploded view of the armrest, the connecting member, and the angle adjustment member of the present invention;

fig. 14 is a third exploded view of the armrest, the connecting member, and the angle adjustment member of the present invention;

fig. 15 is an assembly view between the connecting member and the angle adjusting member according to the present invention. Shown in the figure: the support seat comprises a support seat 1, a rotating shaft 2, a seat frame 3, a backrest 4, an armrest 5, a connecting component 6, an angle adjusting component 7, a torsion spring 8, a locking screw 9, a pull wire 10, a locking screw rotating shaft 11, a nut 12, a first connecting piece 301, a second connecting piece 302, fixed positioning teeth 303, a shifting piece 501, an adjusting sliding groove 601, a first locking mounting hole 602, a second locking mounting hole 603, a nut mounting hole 604, a first positioning hole 605, a movable block 701, a fixed block 702, a shaft 703, a fixed end 704, a positioning rod 705, a snap spring 706, a fixed adjusting nut 707, an outer pull wire groove 708, an inner pull wire groove assembling hole 709, a first spring 7010, a sliding positioning tooth 7011, a second spring 7012, a third spring 7013, a sleeve 7014, a second positioning hole 7015, a second notch 7016, a sliding groove 7017, a baffle 7018, a circulation positioning groove 7019, a locking end 7020 and an unlocking end 70.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model provides a no chassis adjustable chair of inclining and facing upward, as shown in fig. 1-15, includes 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 "angle" form, is the material morphosis body, the open end of seat frame 3 is connected with back 4 through adapting unit 6, and seat frame 3 of "angle" column structure can make back 4 pressurized take place the deformation, produces the thrust of inclining and facing upward through deformation pressure, handrail 5 is installed through locking screw 9 at adapting unit 6's both ends, the piece 501 operational chair of inclining and facing upward on handrail 5, its characterized in that: the upper end of the open end of seat frame 3 is equipped with first connecting piece 301, the lower extreme of the open end of seat frame 3 is equipped with second connecting piece 302, install adapting unit 6 through locking screw pivot 11 between first connecting piece 301 and the second connecting piece 302, install torsional spring 8 between adapting unit 6 and the second connecting piece 302, adapting unit 6's internally mounted has angle adjusting part 7, be connected through rack toothing between the one end of angle adjusting part 7 and the fixed position tooth 303 of second connecting piece 302 upper end, angle adjusting part 7's the other end is connected with handrail 5 through acting as go-between 10.

As shown in fig. 7, an adjusting chute 601 for installing the angle adjusting member 7 is disposed in the middle of the connecting member 6, a first positioning hole 605 is disposed at a blind end of the adjusting chute 601, a second locking hole 603 cooperating with the locking screw rotating shaft 11 is disposed in the connecting member 6, the connecting member 6 is installed and locked on the first connecting member 301 and the second connecting member 302 by cooperation of the locking screw rotating shaft 11 and the second locking hole 603, a first locking hole 602 and a nut hole 604 cooperating with the locking screw 9 are disposed at two ends of the connecting member 6, and the armrest 5 is installed on the connecting member 6 by cooperation of the locking screw 9 and the nut 12 in the first locking hole 602 and the nut hole 604.

As shown in fig. 8 to 11, the angle adjusting component 7 includes a movable block 701 and a fixed block 702, the fixed block 702 is sleeved on one end of the movable block 701, a shaft 703 is provided through the middle portion of the movable block 701 and the fixed block 702, 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 first positioning hole 605, a first spring 7010 is installed 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.

The utility model discloses a working process does: the pulling wire 10 is pulled by the plectrum 501, so that 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 from the unlocking end 7021 to the locking end 7020 in the circulating positioning groove 7019, the movable block 701 is prevented from being restored to the original state under the elastic force of the first spring 7010, at the moment, a user can reliably move the backrest 4 downwards on the backrest 4, the seat frame 3 is enabled to be in a lying state under the deformation of the seat frame 3 and the back twisting action of the torsion spring 8 under the combined action of the backrest 4, after the plectrum 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 engaged with the fixed positioning teeth 303, the sliding positioning teeth 7011 are buckled with the fixed positioning teeth 303, and the positioning rod 705 slides from the locking end 7020 to the unlocking end 7021 in, thereby realizing the positioning of the backrest 4 and realizing the adjustment of the swivel chair from the lying state to the seat state in the same way.

Because the second spring 7012 and the third spring 7013 are installed on the shaft 703 at the two ends of the sliding positioning tooth 7011, the slidable positioning tooth 7011 returns to the original position under the spring force of the two springs, so as to assist in completely fastening the sliding positioning tooth 7011 with the fixed positioning tooth 303.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a no adjustable swivel chair that leans on of chassis, includes supporting seat (1), the upper end of supporting seat (1) is connected with seat frame (3) through pivot (2), seat frame (3) are "angle" form, for material morphism body, the open end of seat frame (3) is connected with back (4) through adapting unit (6), handrail (5), its characterized in that are installed through locking screw (9) at the both ends of adapting unit (6): the upper end of the open end of seat frame (3) is equipped with first connecting piece (301), the lower extreme of the open end of seat frame (3) is equipped with second connecting piece (302), install adapting unit (6) through locking screw pivot (11) between first connecting piece (301) and second connecting piece (302), install torsional spring (8) between adapting unit (6) and second connecting piece (302), the internally mounted of adapting unit (6) has angle adjusting part (7), be connected through rack toothing between the one end of angle adjusting part (7) and fixed position tooth (303) of second connecting piece (302) upper end, the other end of angle adjusting part (7) is connected with handrail (5) through acting as go-between (10).

2. The bottomless adjustable reclining swivel chair of claim 1, wherein: the middle part of the connecting part (6) is provided with an adjusting chute (601) for installing an angle adjusting part (7), the blind end of the adjusting sliding groove (601) is provided with a first positioning hole (605), the connecting part (6) is internally provided with a second locking mounting hole (603) which is matched with the locking screw rotating shaft (11), the connecting component (6) is installed and locked on the first connecting piece (301) and the second connecting piece (302) through the matching of the locking screw rotating shaft (11) and the second locking installation hole (603), a first locking mounting hole (602) and a nut mounting hole (604) which are matched with the locking screw (9) are arranged at the two ends of the connecting part (6), the armrest (5) is mounted on the connecting member (6) by the engagement of the locking screw (9) with the first locking mounting hole (602) and the nut (12) in the nut mounting hole (604).

3. The bottomless adjustable reclining swivel chair of claim 2, wherein: 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 to 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 installed 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).

4. The bottomless adjustable reclining swivel chair of claim 3, wherein: one end of the movable block (701) is provided with a sliding groove (7017), a baffle (7018) is arranged in the sliding groove (7017), a sliding positioning tooth (7011) is sleeved on a shaft (703) between the baffle (7018) and the end of the sliding groove (7017), and a second spring (7012) and a third spring (7013) are respectively installed on the shafts (703) at the two ends of the sliding positioning tooth (7011).

5. The bottomless adjustable reclining swivel chair of claim 4, wherein: 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 (7020) is a locking end, a positioning rod (705) is installed in the circulation positioning groove (7019), the positioning rod (705) is inverted U-shaped, 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 into a fixing end (704), a second positioning hole (7015) for inserting the positioning rod (705) is formed in the fixing end (704), a clamp spring (706) matched with the fixing end (704) is arranged above the positioning rod (705), and a second notch (7016) matched with the positioning rod (705) is formed in the fixing block (.

6. The bottomless adjustable reclining swivel chair of claim 5, wherein: the lower extreme of the other end of movable block (701) is equipped with interior wire casing pilot hole (709), fixed mounting has acting as go-between (10) in interior wire casing pilot hole (709), the other end of acting as go-between (10) is worn to establish and is connected with plectrum (501) of handrail (5) tip behind interior hollow handrail (5), fixed block (702) be equipped with interior wire casing pilot hole (709) assorted outer wire casing (708).

7. The bottomless adjustable reclining swivel chair of claim 6, wherein: the pull wire (10) is fixed on the fixing block (702) through a fixing adjusting nut (707).

8. The bottomless adjustable reclining swivel chair of claim 7, wherein: and a fixed positioning tooth (303) is arranged on the second connecting piece (302), and the fixed positioning tooth (303) is meshed with the sliding positioning tooth (7011).

9. The bottomless adjustable reclining swivel chair of claim 4, wherein: a sleeve (7014) is arranged between the sliding positioning teeth (7011) and the shaft (703).