CN209252141U - A kind of office chair with roll-over type handrail structure - Google Patents
A kind of office chair with roll-over type handrail structure Download PDFInfo
- Publication number
- CN209252141U CN209252141U CN201821283941.0U CN201821283941U CN209252141U CN 209252141 U CN209252141 U CN 209252141U CN 201821283941 U CN201821283941 U CN 201821283941U CN 209252141 U CN209252141 U CN 209252141U
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- handrail
- limit
- limited block
- office chair
- accommodating cavity
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Abstract
The utility model relates to office chair technical fields, specially a kind of office chair with roll-over type handrail structure, the office chair includes seat, handrail body, and the handrail installation part of the connection seat and the handrail body, the round joint face of the handrail body is overlapped docking with the circular mounting face of the handrail installation part, the handrail installation part is equipped with cylindrical mounting head at the axle center in the circular mounting face, the handrail body is equipped with the cylindrical accommodating cavity for accommodating the mounting head, the handrail body is equipped with the annular chamber that radius is greater than the cylindrical accommodating cavity radius far from the axial end of the round joint face in the cylindrical accommodating cavity.The utility model is limited by the limit hole in the retention bead and limit film in mounting head, and limit film rotation is driven when can prevent handrail body from overturning, to prevent bolt from rotating, bolt and stud is avoided to loosen and influence the normal use of handrail；And office chair can be connected with each other to lie for user and sleep.
Description
Technical field
The utility model relates to office chair technical field, specially a kind of office chair with roll-over type handrail structure.
Background technique
Office chair is the indispensable office furniture of routine office work, existing office chair in order to it is comfortable the purpose of by its handrail
It is arranged to turnover form, is overturn and put down when needing to use handrail, can be overturn and be packed up when not needing handrail.
Handrail overturns that it is easy to appear loose phenomenons for a long time, to influence the normal use of handrail, reduces the usage comfort of user.
And existing office chair cannot be interconnected and fixed, therefore be cannot function as chaise longue and used for user's rest, user is only
It can be sitting on office chair and rest, so that the using effect of office chair is bad.
Utility model content
In view of the problems of the existing technology the utility model, proposes a kind of office with roll-over type handrail structure
Chair can prevent handrail from loosening, and can splice to lie for user and sleep.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of doing with roll-over type handrail structure
Public chair, the office chair include seat, handrail body, and the handrail installation part of the connection seat and the handrail body,
The round joint face of the handrail body is overlapped docking with the circular mounting face of the handrail installation part, and the handrail installation part exists
Cylindrical mounting head is equipped at the axle center in the circular mounting face, the handrail body is equipped with the cylinder for accommodating the mounting head
Accommodating cavity, the handrail body are equipped with radius far from the axial end of the round joint face in the cylindrical accommodating cavity and are greater than institute
The annular chamber of cylindrical accommodating cavity radius is stated, the mounting head is equipped with axis hole chamber, and the axis hole is intracavitary to be equipped with stud, the annular
The intracavitary limit film for being greater than the cylindrical accommodating cavity radius equipped with radius, the limit film are equipped with what permission bolt one end passed through
Limit film through-hole, the bolt are threadedly coupled with by the handrail body and the handrail with the stud by the limit film
Installation part limit connection, the axial end face of the mounting head are equipped with retention bead in the axis hole chamber avris, and the limit film is set
There is the limit hole being used cooperatively with the retention bead；
One avris of seat bottom is equipped with locating part, another avris is equipped with and connect with the locating part of the adjacent seat
Telescopic limit plate.
Preferably, the mounting head peripheral side is equipped with a pair of of limited block, the axial width of the limited block is less than described
The axial length of mounting head, one sagittal plane of limited block are overlapped with the circular mounting face, and the handrail body is in the circle
Cylindricality accommodating cavity circumference is equipped with a pair of limited block accommodating cavity being used cooperatively with the limited block.
Preferably, the fan-shaped shape of limited block accommodating cavity, the limited block is with the limited block accommodating cavity with described
The central axis of installation is axis rotation coincidence, and rotational angle of the limited block in the limited block accommodating cavity is 60 to 90
Degree.
Preferably, the mounting head is equipped with a pair of of retention bead, the limit film is equipped with a pair of of limit hole.
Preferably, the limit hole is connected to the limit film through-hole.
Preferably, the handrail body is equipped with protective cover in the annular chamber free end；The handrail body is described
Annular chamber two sides are equipped with card slot, and the protective cover is equipped with the buckle being used cooperatively with the card slot.
Preferably, the locating part includes locating part ontology, the locating part ontology is equipped with accommodation groove and cavity, described
Accommodation groove is connected to the cavity by waist hole, and the locating part further includes the limited block being arranged in the accommodation groove and setting
Balance plate in the cavity, described balance plate one end extend to the cavity it is outer and connect with limit handle, the other end and
One end of lifting rod is hinged, and the other end of the lifting rod passes through the waist hole and connect with the limited block in accommodation groove, described
Cavity is additionally provided with the upper magnetic adsorption plate of balance plate upper face absorption connection, with the balance plate lower face and adsorbs under connection
Magnetic adsorption plate, and the balance plate rotatable support of the support balance plate rotation；Limit is additionally provided on the side wall of the accommodation groove
Guide rail, the side wall of the limited block are equipped with the limit slide bar being used cooperatively with the limit guide rail.
Preferably, the telescopic limit plate includes telescopic rod, the fixing piece of the fixed telescopic rod, and with it is described
The limitting casing of telescopic rod one end connection.
Preferably, the telescopic rod includes intermediate inner sleeve, the end of the intermediate inner sleeve and the limitting casing is connected
Portion's outer tube one, and the end outer tube two being connect with the intermediate inner sleeve other end, the intermediate inner sleeve peripheral side
It slides axially slot equipped with two, the end outer tube one and two inner circumferential side of end outer tube are equipped with and the corresponding sliding
The slide protrusion that slot is cooperatively connected, the sliding groove axial direction avris are equipped with limited mouth, are additionally provided with and turn outside the intermediate inner sleeve
Dynamic handle.
The support of the limitting casing is supported to buckle preferably, the locating part ontology is additionally provided with.
The utility model has the beneficial effects that the utility model passes through the limit in the retention bead and limit film in mounting head
The limit of position hole drives limit film rotation when can prevent handrail body from overturning, to prevent bolt from rotating, avoid bolt and stud pine
Normal use that is dynamic and influencing handrail；And the office chair of the utility model can be connected with each other to lie for user and sleep, and improve office
The using effect of chair, and two office chair dismantling connections are simple and convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model roll-over type handrail structure；
Fig. 2 is the structural schematic diagram of handrail installation part in Fig. 1；
Fig. 3 is the structural schematic diagram of handrail body in Fig. 1；
Fig. 4 is the structural schematic diagram at another visual angle of handrail body in Fig. 3；
Fig. 5 is the attachment structure schematic diagram of bolt stud and limit film；
Fig. 6 is the structural schematic diagram of limit film；
Fig. 7 is the structural schematic diagram of protective cover；
Fig. 8 is the structural schematic diagram of two office chairs connection；
Fig. 9 is the structural schematic diagram at another visual angle Fig. 8；
Figure 10 is the structural schematic diagram of telescopic rod；
Figure 11 is the structural schematic diagram of office chair locating part in Fig. 9；
Figure 12 is the structural schematic diagram at another visual angle of office chair locating part in Fig. 9；
Figure 13 is structural schematic diagram when office chair locating part is opened in Fig. 9；
Figure 14 is structural schematic diagram when office chair locating part is closed in Fig. 9；
Wherein, 1, handrail body, 11, cylindrical accommodating cavity, 12, limited block accommodating cavity, 13, round joint face, 14, annular
Chamber, 15, card slot, 2, handrail installation part, 21, mounting head, 22, limited block, 23, circular mounting face, 24, axis hole chamber, 25, limit convex
It rises, 4, limit film, 41, limit film through-hole, 42, limit hole, 5, bolt, 6, protective cover, 61, buckle, 7, seat, 71, locating part,
711, accommodation groove, 712, cavity, 713, limited block, 714, balance plate, 715, limit handle, 716, lifting rod, 717, upper magnetic
Piece, 718, lower magnetic adsorption plate, 719, balance plate rotatable support, 7110, limit guide rail, 72, telescopic rod, 721, intermediate inner sleeve,
722, end outer tube one, 723, end outer tube two, 724, sliding groove, 725, limited mouth, 726, rotation handle, 73, limit
Frame, 74, fixing piece, 75, support buckle.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 9, a kind of office chair with roll-over type handrail structure, the office chair include seat 7, are helped
Hand ontology 1, and the handrail installation part 2 of the connection seat 7 and the handrail body 1, the round connection of the handrail body 1
Face 13 is overlapped docking with the circular mounting face 23 of the handrail installation part 2, and the handrail installation part 2 is in the circular mounting face 23
Axle center at be equipped with cylindrical mounting head 21, the handrail body 1 is equipped with the cylindrical accommodating cavity 11 for accommodating the mounting head 21,
The handrail body 1 is equipped with radius greater than described far from the axial end of the round joint face 13 in the cylindrical accommodating cavity 11
The annular chamber 14 of cylindrical 11 radius of accommodating cavity, the mounting head 21 are equipped with axis hole chamber 24, are equipped with stud in the axis hole chamber 24
3, the interior limit film 4 for being greater than 11 radius of the cylindrical accommodating cavity equipped with radius of the annular chamber 14, the limit film 4 is equipped with fair
Perhaps the limit film through-hole 41 that 5 one end of bolt passes through, the bolt 5 by the limit film 4 be threadedly coupled with the stud 3 with incite somebody to action
The handrail body 1 is connected with the handrail installation part 2 limit, and the axial end face of the mounting head 21 is on 24 side of axis hole chamber
Side is equipped with retention bead 25, and the limit film 4 is equipped with the limit hole 42 being used cooperatively with the retention bead 25.
21 peripheral side of mounting head is equipped with a pair of of limited block 22, and the axial width of the limited block 22 is less than the installation
First 21 axial length, 22 1 sagittal plane of limited block are overlapped with the circular mounting face 23, and the handrail body 1 is described
Cylindrical 11 circumference of accommodating cavity is equipped with a pair of limited block accommodating cavity 12 being used cooperatively with the limited block 22.
When installation, first the cylindrical accommodating cavity 11 of handrail body 1 is socketed in the mounting head 21 of handrail installation part 2, this
When, round joint face 13 is overlapped with circular mounting face 23, and mounting head 21 is located in cylindrical accommodating cavity 11, and limited block 22 is located at limit
In position block accommodating cavity 12, limit film 4 is then put into annular chamber 14 and makes the limit hole 42 of limit film 4 and the limit in mounting head 21
Bolt 5, is then threadedly coupled by limit film 4 with the stud 3 in 21 axis hole chamber 24 of mounting head by the 25 limit connection of position protrusion.This
When, handrail body 1 can rotate in the mounting head 21 of handrail installation part 2, and mounting head 21 is motionless when rotation, then limiting
Piece 4 due to retention bead 25 limit be also it is motionless, thus bolt 5 with respect to stud 3 be also it is motionless, no matter handrail body 1
How to overturn, bolt 5 all cannot be loosened after.
The fan-shaped shape of the limited block accommodating cavity 12, the limited block 22 is with the limited block accommodating cavity 12 with the installation
21 central axis is axis rotation coincidence, and rotational angle of the limited block 22 in the limited block accommodating cavity 12 is 60 to 90
Degree.When handrail body 1 is overturn, limited block 22 can rotate in limited block accommodating cavity 12, limited block accommodating cavity 12 and limited block
22 shape size can determine the rotational angle of handrail body 1, when handrail body 1 is overturn can be there are between limit film 4
Small gap.
The mounting head 21 is equipped with a pair of of retention bead 25, and the limit film 4 is equipped with a pair of of limit hole 42, retention bead 25
Quantity be a clock synchronization using effect it is best.The limit hole 42 is connected to the limit film through-hole 41, and limit on the one hand can be improved
The versatility of bit slice 4, as long as retention bead 25 is located at limit hole 42 or the area between limit hole 42 and limit film through-hole 41
Domain can play position-limiting action, and applicability is wider, on the other hand can reduce the materials of limit film 4, save the cost.
The handrail body 1 is equipped with protective cover 6 in 14 free end of annular chamber.The handrail body 1 is in the annular
14 two sides of chamber are equipped with card slot 15, and the protective cover 6 is equipped with the buckle 61 being used cooperatively with the card slot 15.When installation, it is only necessary to
The buckle 61 of protective cover 6 is inserted into card slot 15, installation is very easy, and protective cover 6 can avoid dust impurity and enter annular chamber
14。
As shown in Figure 11 to 14,7 bottom of seat, one avris be equipped with locating part 71, another avris be equipped with it is adjacent described
The telescopic limit plate that the locating part 71 of seat 7 connects.The locating part 71 includes locating part ontology, and the locating part ontology is set
There are accommodation groove 711 and cavity 712, the accommodation groove 711 is connected to the cavity 712 by waist hole, and the locating part 71 also wraps
The balance plate 714 for including the limited block 713 being arranged in the accommodation groove 711 and being arranged in the cavity 712, the balance plate
714 one end extend to the cavity 712 it is outer and connect with limit handle 715, one end of the other end and lifting rod 716 it is hinged, institute
The other end for stating lifting rod 716 passes through the waist hole and connect with the limited block 713 in accommodation groove 711, and the cavity 712 is also set
Have with the upper magnetic adsorption plate 717 of 714 upper face of balance plate absorption connection, with 714 lower face of balance plate and adsorbs connection
Lower magnetic adsorption plate 718, and the balance plate rotatable support 719 that the support balance plate 714 rotates.The side of the accommodation groove 711
The limit guide rail 7110 of arc is additionally provided on wall, the side wall of the limited block 713 is equipped with to be cooperated with the limit guide rail 7110
The limit slide bar used.
When needing to close locating part 71, it is only necessary to end firmly stir limit handle 715, balance plate 714 it is another
End will up mention lifting rod 716, so that limited block 713 be driven to be retracted to accommodation groove from limiting slot 72 along limit guide rail 7110
In 711, at this point, balance plate 714 is connected and fixed by magnetic attraction with lower magnetic adsorption plate 718 with below limit 715 connecting pin of handle.
When needing to open locating part 71, it is only necessary to slightly firmly stir limit handle 715 upwards, the other end of balance plate 714 will incite somebody to action
Lifting rod 716 is toward decline, so that limited block 713 is driven to enter in limiting slot 72 along limit guide rail 7110 from accommodation groove 711, this
When, the upper surface of balance plate 714 and limit 715 connecting pin of handle are connected and fixed by magnetic attraction with upper magnetic adsorption plate 717.
The telescopic limit plate includes telescopic rod 72, the fixing piece 74 of the fixed telescopic rod 72, and is stretched with described
The limitting casing 73 of 72 one end of contracting bar connection.As shown in Figure 10, the telescopic rod 72 includes intermediate inner sleeve 721, is connected in described
Between inner sleeve 721 and the limitting casing 73 end outer tube 1, and connect with intermediate 32 other end of inner sleeve
End outer tube 2 723, intermediate 721 peripheral side of inner sleeve are equipped with two and slide axially slot 724, the end outer tube one
722 and 2 723 inner circumferential side of end outer tube is equipped with and the corresponding sliding groove 724 is cooperatively connected slide protrusion, institute
It states the axial avris of sliding groove 724 and is equipped with limited mouth 725, rotation handle 726 is additionally provided with outside the intermediate inner sleeve 721.
When needing to extend telescopic rod 72, first swings rotation handle 726 and slide protrusion is made to enter sliding from limited mouth 725
Slot 724 is moved to slide protrusion in sliding groove 724 so that 72 longest of telescopic rod, then swings rotation handle again
726 carry out slide protrusion with telescopic rod 72 is fixed in limited mouth 725, at this point, the frame mouth of limitting casing 73 from sliding groove 724
It is placed exactly in the underface of limited block 713.When needing to shrink telescopic rod 72, similarly operate.
The locating part ontology, which is additionally provided with, supports the support of the limitting casing 73 to buckle 75, after telescopic rod 72 extends, limit
Position frame 73 is placed exactly in support buckle 75, and support 75 one side of buckle can play the role of support limit frame 73, another party
Face can further function as position-limiting action, i.e., after limitting casing 73 is located in support buckle 75, the frame mouth of limitting casing 73 is placed exactly in
The underface of limited block 713 does not need artificial alignment box mouth.
When needing to connect office chair, first the handrail of office chair is packed up, telescopic rod 72 is then extended into longest and to limit
Position frame 73 enters in support buckle 75, stirs limit handle 715 then up, so that limited block 713 enters the frame of limitting casing 73
To be connected and fixed two office chairs in mouthful.When needing to separate office chair, limit handle 715 is first stirred downwards and makes limited block
713 separate with the frame mouth of limitting casing 73 and are contracted in accommodation groove 711, and then limitting casing 73 is separated and incited somebody to action with support buckle 75
Telescopic rod 72 is contracted to most short fixation.Office chair dismantling connection is simple and convenient.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this
The conception and scope of type is defined.Without departing from the design concept of the present utility model, ordinary people in the field is to this
The all variations and modifications that the technical solution of utility model is made, should fall within the protection scope of the present utility model, this is practical
Novel claimed technology contents, are all described in the claims.
Claims (10)
1. a kind of office chair with roll-over type handrail structure, it is characterised in that: the office chair includes seat (7), handrail sheet
Body (1), and the handrail installation part (2) of the connection seat (7) and the handrail body (1), the circle of the handrail body (1)
Shape joint face (13) is overlapped docking with the circular mounting face (23) of the handrail installation part (2), and the handrail installation part (2) is in institute
It states and is equipped with cylindrical mounting head (21) at the axle center of circular mounting face (23), the handrail body (1), which is equipped with, accommodates the installation
The cylindrical accommodating cavity (11) of head (21), the handrail body (1) connect in the cylindrical accommodating cavity (11) far from the circle
The axial end of junction (13) is equipped with the annular chamber (14) that radius is greater than described cylindrical accommodating cavity (11) radius, the mounting head
(21) axis hole chamber (24) are equipped with, are equipped with stud (3) in the axis hole chamber (24), radius is equipped in the annular chamber (14) and is greater than institute
The limit film (4) of cylindrical accommodating cavity (11) radius is stated, the limit film (4) is equipped with the limit for allowing bolt (5) one end to pass through
Piece through-hole (41), the bolt (5) are threadedly coupled with by the handrail body with the stud (3) by the limit film (4)
(1) it is connected with the handrail installation part (2) limit, the axial end face of the mounting head (21) is set in axis hole chamber (24) avris
Have retention bead (25), the limit film (4) is equipped with the limit hole (42) being used cooperatively with the retention bead (25)；
One avris of seat (7) bottom is equipped with locating part (71), another avris is equipped with the locating part with the adjacent seat (7)
(71) the telescopic limit plate connected.
2. a kind of office chair with roll-over type handrail structure according to claim 1, it is characterised in that: the mounting head
(21) peripheral side is equipped with a pair of of limited block (22), and the axial width of the limited block (22) is less than the axial direction of the mounting head (21)
Length, (22) one sagittal plane of limited block are overlapped with the circular mounting face (23), and the handrail body (1) is in the cylinder
Shape accommodating cavity (11) circumference is equipped with a pair of limited block accommodating cavity (12) being used cooperatively with the limited block (22).
3. a kind of office chair with roll-over type handrail structure according to claim 2, it is characterised in that: the limited block
Accommodating cavity (12) fan-shaped shape, the limited block (22) and the limited block accommodating cavity (12) are with the center of the mounting head (21)
Axis is axis rotation coincidence, and rotational angle of the limited block (22) in the limited block accommodating cavity (12) is 60 to 90 degree.
4. a kind of office chair with roll-over type handrail structure according to claim 1, it is characterised in that: the mounting head
(21) it is equipped with a pair of of retention bead (25), the limit film (4) is equipped with a pair of of limit hole (42).
5. a kind of office chair with roll-over type handrail structure according to claim 4, it is characterised in that: the limit hole
(42) it is connected to the limit film through-hole (41).
6. a kind of office chair with roll-over type handrail structure according to claim 1, it is characterised in that: the handrail sheet
Body (1) is equipped with protective cover (6) in the annular chamber (14) free end；The handrail body (1) is in the annular chamber (14) two sides
Equipped with card slot (15), the protective cover (6) is equipped with the buckle (61) being used cooperatively with the card slot (15).
7. a kind of office chair with roll-over type handrail structure according to claim 1, it is characterised in that: the locating part
(71) include locating part ontology, the locating part ontology be equipped with accommodation groove (711) and cavity (712), the accommodation groove (711) and
The cavity (712) is connected to by waist hole, and the locating part (71) further includes the limited block being arranged in the accommodation groove (711)
Two (713) and the balance plate (714) being arranged in the cavity (712), described balance plate (714) one end extends to the cavity
(712) connect outside and with limit handle (715), one end of the other end and lifting rod (716) it is hinged, the lifting rod (716)
The other end is passed through and the waist hole and connect with the limited block two (713) in accommodation groove (711), the cavity (712) be additionally provided with and
The upper magnetic adsorption plate (717) of balance plate (714) the upper face absorption connection is connected with the absorption of the balance plate (714) lower face
Lower magnetic adsorption plate (718), and the balance plate rotatable support (719) of the support balance plate (714) rotation；The accommodation groove
(711) it is additionally provided on side wall limit guide rail (7110), the side wall of the limited block two (713) is equipped with and the limit guide rail
(7110) the limit slide bar being used cooperatively.
8. a kind of office chair with roll-over type handrail structure according to claim 7, it is characterised in that: described telescopic
Limit plate includes telescopic rod (72), the fixing piece (74) of the fixed telescopic rod (72), and with the telescopic rod (72) one end
The limitting casing (73) of connection.
9. a kind of office chair with roll-over type handrail structure according to claim 8, it is characterised in that: the telescopic rod
(72) include intermediate inner sleeve (721), connect the end outer tube one of the intermediate inner sleeve (721) and the limitting casing (73)
(722), the end outer tube two (723) and with intermediate inner sleeve (721) other end connecting, the intermediate inner sleeve
(721) peripheral side is equipped with two and slides axially slot (724), the end outer tube one (722) and the end outer tube two (723)
Inner circumferential side is equipped with the slide protrusion being cooperatively connected with the corresponding sliding groove (724), and the axial avris of the sliding groove (724) is set
Have limited mouth (725), is additionally provided with rotation handle (726) outside the intermediate inner sleeve (721).
10. a kind of office chair with roll-over type handrail structure according to claim 8, it is characterised in that: the limit
Part ontology, which is additionally provided with, supports the support of the limitting casing (73) to buckle (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283941.0U CN209252141U (en) | 2018-08-10 | 2018-08-10 | A kind of office chair with roll-over type handrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283941.0U CN209252141U (en) | 2018-08-10 | 2018-08-10 | A kind of office chair with roll-over type handrail structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209252141U true CN209252141U (en) | 2019-08-16 |
Family
ID=67556337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821283941.0U Active CN209252141U (en) | 2018-08-10 | 2018-08-10 | A kind of office chair with roll-over type handrail structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108741859A (en) * | 2018-08-10 | 2018-11-06 | 安吉海龙家具有限公司 | A kind of office chair with roll-over type handrail structure |
| CN111227549A (en) * | 2020-02-07 | 2020-06-05 | 广州视源电子科技股份有限公司 | Seat armrest and seat |
| WO2021128815A1 (en) * | 2019-12-24 | 2021-07-01 | 安吉万宝智能家居科技有限公司 | Rotation assembly, armrest, and seat |
-
2018
- 2018-08-10 CN CN201821283941.0U patent/CN209252141U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108741859A (en) * | 2018-08-10 | 2018-11-06 | 安吉海龙家具有限公司 | A kind of office chair with roll-over type handrail structure |
| CN108741859B (en) * | 2018-08-10 | 2023-12-05 | 安吉海龙家具有限公司 | Office chair with turnover armrest structure |
| WO2021128815A1 (en) * | 2019-12-24 | 2021-07-01 | 安吉万宝智能家居科技有限公司 | Rotation assembly, armrest, and seat |
| CN111227549A (en) * | 2020-02-07 | 2020-06-05 | 广州视源电子科技股份有限公司 | Seat armrest and seat |
| CN111227549B (en) * | 2020-02-07 | 2024-02-23 | 广州视源电子科技股份有限公司 | Chair armrest and chair |
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