CN220124306U - Dual-purpose chair for sitting and standing - Google Patents

Dual-purpose chair for sitting and standing Download PDF

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Publication number
CN220124306U
CN220124306U CN202223099877.XU CN202223099877U CN220124306U CN 220124306 U CN220124306 U CN 220124306U CN 202223099877 U CN202223099877 U CN 202223099877U CN 220124306 U CN220124306 U CN 220124306U
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China
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seat
chair
armrest
sitting
handrail
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CN202223099877.XU
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Chinese (zh)
Inventor
夏岳鸿
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Changsha Lizu Office Supplies Co ltd
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Changsha Lizu Office Supplies Co ltd
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Abstract

The utility model provides a sitting and standing dual-purpose chair, which comprises a chair frame 1, armrests 2 positioned on two sides of the chair frame 1 and connected with the chair frame 1, and is characterized by also comprising a seat part 3 rotatably connected with the chair frame 1; the handrail 2 comprises: a first armrest 21 with one end rotatably and lockably connected with the chair frame 1, and a second armrest 22 connected with the other end of the first armrest 21, wherein the first armrest 21 and the second armrest 22 are respectively used by a user in sitting posture and standing posture. The chair user can use the first armrest 21 in sitting and standing positions, i.e. while sitting to keep the seat 3 horizontal; rotating the seat 3 to be vertical while rotating the second armrest 22 to be horizontal in the standing position, and locking and maintaining the horizontal state for the user; therefore, the user can switch between sitting and standing states, and various diseases which are unfavorable to health and are caused by long-term sitting are prevented.

Description

Dual-purpose chair for sitting and standing
Technical Field
The utility model relates to the field of furniture, in particular to a sitting and standing dual-purpose chair.
Background
More and more people in modern society use computers as office tools, particularly more and more people use notebook computers as office tools, sitting postures are kept for a long time, diseases such as cervical spondylosis, lumbar spondylosis, obesity and the like which are unfavorable for human health are generated, and therefore the development of dual-purpose chairs for standing and sitting becomes a research and development hot spot of current chairs.
Disclosure of Invention
The utility model aims to provide a sitting and standing dual-purpose chair, which comprises a chair frame 1, armrests 2 positioned on two sides of the chair frame 1 and connected with the chair frame 1, and is characterized by also comprising a seat part 3 rotatably connected with the chair frame 1; the handrail 2 comprises: a first armrest 21 with one end rotatably and lockably connected with the chair frame 1, and a second armrest 22 connected with the other end of the first armrest 21, wherein the first armrest 21 and the second armrest 22 are respectively used by a user in sitting posture and standing posture.
The sitting and standing dual-purpose chair provided by the embodiment can be used in sitting postures and standing postures, namely, the sitting part 3 is kept horizontal in sitting postures, and the first armrests 21 are used; rotating the seat 3 to be vertical while rotating the second armrest 22 to be horizontal in the standing position, and locking and maintaining the horizontal state for the user; therefore, the user can switch between sitting and standing states, and various diseases which are unfavorable to health and are caused by long-term sitting are prevented.
Preferably, the seat 3 comprises: a first seat 31 and a second seat 32 provided on the back of the first seat 31, the first seat 31 and the second seat 32 being used by a user in sitting and standing positions, respectively.
So that the user can use the second seat 32 for resting when he/she is in the standing position.
Preferably, a ratchet mechanism 4 is provided between the first arm rest 21 and the chair frame 1 for controlling the first arm rest 21 to switch between rotation and locking relative to the chair frame 1. The ratchet mechanism 4 may be a structure commonly known in the art, and will not be described in detail herein.
Preferably, the armrest further comprises a synchronous linkage mechanism arranged between the first seat 31 and the armrest 2, and is used for synchronously rotating the armrest 2 and the first seat 31.
Thus, when the sitting posture and the standing posture are switched, a user can pull the armrest 2 and also pull the first seat part 31, so that the sitting posture and the standing posture are switched more simply and efficiently.
Preferably, the synchronous linkage mechanism comprises: the first driving wheel 52 is connected with the second driving wheel 54 through a belt 55 or a chain, the second driving wheel 54 is arranged on the second rotating shaft 53, the first driving wheel 52 is arranged on the first rotating shaft 51, the second rotating shaft 53 is arranged between the first seat part 31 and the chair frame 1 and is fixedly connected with the first seat part 31, and the second driving wheel 54 is arranged on the second rotating shaft 53.
The first seat 31 and the armrest 2 can be kept to rotate synchronously, namely, can be switched in the horizontal and vertical directions when a user pulls the armrest 2 or the seat 3 through the synchronous linkage mechanism; the user can operate the ratchet mechanism 4 and the synchronous linkage mechanism simultaneously by pulling the armrest 2.
Preferably, the first driving wheel 52 and/or the second driving wheel 54 are provided with cleats not shown, and the belt 55 is provided with cleats matching the cleats not shown. The anti-slip protrusion and the anti-slip groove cooperate with each other to prevent the belt from slipping and to prevent the first seat 31 and the handrail 2 from being unable to be synchronously linked.
Preferably, it further comprises a work plate 6 removably connectable to said second arm rest 22.
When the user stands, the working board is connected to the second armrest 22, and office equipment such as a notebook computer or a desktop keyboard and a mouse is directly operated on the working board 6 as a working platform. The work board 6 is removed when sitting, so that normal office work can be performed.
Preferably, a cylindrical protrusion 222 is provided at a free end of the second handrail 22, and a groove 2221 is provided at a periphery of the cylindrical protrusion 222; the working plate 6 includes an elastic telescopic chuck 61 internally provided and a receiving groove 62 matched with the cylindrical protrusion 222, and when the cylindrical protrusion 222 is matched with the receiving groove 62, the elastic telescopic chuck 61 extends into the groove 2221, thereby locking the working plate 6 on the second handrail 22.
Preferably, the chair frame 1 further comprises a chair back supporting plate 11, and a backrest 7 which can be connected in a sliding way is arranged on the chair back supporting plate 11;
a lifting part 312 is further arranged on one side of the first seat part 31 close to the chair back supporting plate 11;
the lifting rope 12 is arranged on the back supporting plate 11, one end of the lifting rope 12 is connected with the lifting part 312, and the other end is connected with the backrest 7 through the pulley 13 at the free end of the back supporting plate 11.
When the user pulls the armrest 2 or the seat 3, the backrest 7 is further linked through the structure, that is, the rotation of the first seat 31 drives the lifting part 312 to move, so as to drive the lifting rope 12 to move, and further drive the backrest 7 to move up and down on the chair back supporting plate 11, so that the sitting posture and standing posture can be switched.
Preferably, the chair also comprises a supporting part 8 for supporting the chair frame 1, wherein the supporting part 8 is provided with a pedal 81 which can adjust the fixed position along the length direction of the supporting part 8;
an included angle between the first handrail 21 and the second handrail 22 is 90 degrees;
the second armrest 22 is capable of adjusting a fixed position along the length direction of the first armrest 21;
the second seat portion 32 is capable of adjusting a fixing position in a longitudinal direction of the first seat portion 31.
Thus, the user can rest on the pedals 81 when the feet need to rest, and the height of the pedals 81 can be properly adjusted according to the needs.
Meanwhile, the included angle between the first handrail 21 and the second handrail 22 is 90 degrees, so that a user can use the handrail more stably and comfortably.
The second armrest 22 and the second seat 32 are capable of adjusting in height as desired to accommodate users of different heights.
Preferably, the pedals 81 are adjustably fixed to the support 8 by means of circular hoops 82;
the back of the first handrail 21 is provided with a first sliding rail 211 along the length direction, the second handrail 22 is provided with a first sliding groove 221 matched with the first sliding rail 211, and the first sliding groove 221 is provided with a fastening bolt for fixing the second handrail 22 at a proper position of the first sliding rail 211;
the back of the first seat 31 is provided with a second slide rail 311 along the length direction, the second seat 32 is provided with a second slide slot 321 matched with the second slide rail 311, a fixing block 322 is provided on a side of the second seat 32 corresponding to the second slide rail 311, and a fastening bolt is provided on the fixing block 322 to fix the second seat 32 at a proper position of the second slide rail 311, as shown in fig. 3.
This ensures that the footrests 81, the second armrests 22 and the second seat 32 can be adjusted as required to accommodate users of different heights.
Drawings
Fig. 1 is a first angle perspective view of a standing position of a dual-purpose chair for sitting and standing in embodiment 1 of the present utility model.
Fig. 2 is a second perspective view of the standing position of the dual-purpose chair according to embodiment 1 of the present utility model.
Fig. 3 is a perspective view of a sitting posture of the chair for sitting and standing in embodiment 1 of the present utility model.
Fig. 4 is an enlarged perspective view of a synchronous linkage mechanism for a standing posture state of a sitting and standing dual-purpose chair according to embodiment 1 of the present utility model.
Fig. 5 is a first partial enlarged perspective view of a seat/stand dual-purpose chair work board 6 provided in embodiment 1 of the present utility model.
Fig. 6 is a second enlarged partial perspective view of a seat/stand dual-purpose chair work board 6 provided in embodiment 1 of the present utility model.
Wherein, 1, a chair frame; 11. a back support plate; 12, lifting ropes; 13. a pulley; 2. an armrest; 21. a first armrest; 211. a first slide rail; 22. a second armrest; 221. 222. The cylinder is convex; 2221. a groove; 3. a seat; 31. a first seat; 311. a second slide rail; 312. a lifting part; 32. a second seat; 321, a second chute, 322, a fixed block; 4. a ratchet mechanism; 51. a first rotating shaft; 52. a first driving wheel; 53. a second rotating shaft; 54. a second driving wheel; 55. a belt; sixthly, a working plate; 61. an elastic telescopic chuck; 62. a receiving groove; 7. a backrest; 8. a support part; 81. foot pedal; 82. a round hoop; 91. a first support bar; 92. a straight portion.
Detailed Description
The present utility model will be described in further detail with reference to specific embodiments for better understanding of the technical solution of the present utility model by those skilled in the art.
Example 1:
as shown in fig. 1 to 6, the present utility model provides a dual-purpose chair for sitting and standing, comprising a chair frame 1, armrests 2 positioned at both sides of the chair frame 1 and connected with the chair frame 1, and a seat 3 rotatably connected with the chair frame 1; the handrail 2 comprises: a first armrest 21 with one end rotatably and lockably connected with the chair frame 1, and a second armrest 22 connected with the other end of the first armrest 21, wherein the first armrest 21 and the second armrest 22 are respectively used by a user in sitting posture and standing posture.
The sitting and standing dual-purpose chair provided by the embodiment can be used in sitting postures and standing postures, namely, the sitting part 3 is kept horizontal in sitting postures, and the first armrests 21 are used; rotating the seat 3 to be vertical while rotating the second armrest 22 to be horizontal in the standing position, and locking and maintaining the state for the user; therefore, the user can switch between sitting and standing states, and various diseases which are unfavorable to health and are caused by long-term sitting are prevented.
Preferably, the seat 3 comprises: a first seat 31 and a second seat 32 provided on the back of the first seat 31, the first seat 31 and the second seat 32 being used by a user in sitting and standing positions, respectively.
So that the user can use the second seat 32 for resting when he/she is in the standing position.
Preferably, a ratchet mechanism 4 is provided between the first arm rest 21 and the chair frame 1 for controlling the first arm rest 21 to switch between rotation and locking relative to the chair frame 1. The ratchet mechanism 4 may be a structure commonly known in the art, and will not be described in detail herein.
Preferably, the armrest further comprises a synchronous linkage mechanism arranged between the first seat 31 and the armrest 2, for synchronously rotating the armrest 2 and the first seat 31.
Thus, when the sitting posture and the standing posture are switched, a user can pull the armrest 2 and also pull the first seat part 31, so that the sitting posture and the standing posture are switched more simply and efficiently.
As shown in fig. 4, preferably, the synchronization linkage includes: the first driving wheel 52 is connected with the second driving wheel 54 through a belt 55 or a chain, the second driving wheel 54 is arranged on the second rotating shaft 53, the first driving wheel 52 is arranged on the first rotating shaft 51, the second rotating shaft 53 is arranged between the first seat part 31 and the chair frame 1 and is fixedly connected with the first seat part 31, and the second driving wheel 54 is arranged on the second rotating shaft 53.
The first seat 31 and the armrest 2 can be kept to rotate synchronously, namely, can be switched in the horizontal and vertical directions when a user pulls the armrest 2 or the seat 3 through the synchronous linkage mechanism; the user can operate the ratchet mechanism 4 and the synchronous linkage mechanism simultaneously by pulling the armrest 2.
Preferably, the first drive wheel 52 and/or the second drive wheel 54 are provided with cleats not shown, and the belt 55 is provided with cleats matching the cleats not shown. The anti-slip protrusion and the anti-slip groove cooperate with each other to prevent the belt from slipping and to prevent the first seat 31 and the handrail 2 from being unable to be synchronously linked.
Preferably, a work plate 6 is also included, which is removably connectable to said second arm rest 22.
When the user stands, the working board 6 is connected to the second armrest 22, and office equipment such as a notebook computer or a desktop keyboard is directly operated on the working board 6 as a working platform. The work board 6 is removed when sitting, so that normal office work can be performed.
As shown in fig. 5 and 6, preferably, the free end of the second handrail 22 is provided with a cylindrical protrusion 222, and the circumference of the cylindrical protrusion 222 is provided with a groove 2221; the working plate 6 includes an elastic telescopic chuck 61 internally provided and a receiving groove 62 matched with the cylindrical protrusion 222, and when the cylindrical protrusion 222 is matched with the receiving groove 62, the elastic telescopic chuck 61 extends into the groove 2221, thereby locking the working plate 6 on the second handrail 22.
As shown in fig. 2, preferably, the chair frame 1 further comprises a chair back supporting plate 11, and the chair back supporting plate 11 is provided with a backrest 7 which can be connected in a sliding manner;
a lifting part 312 is further arranged on one side of the first seat part 31 close to the chair back supporting plate 11;
the lifting rope 12 is arranged on the back supporting plate 11, one end of the lifting rope 12 is connected with the lifting part 312, and the other end is connected with the backrest 7 through the pulley 13 at the free end of the back supporting plate 11.
When the user pulls the armrest 2 or the seat 3, the backrest 7 is further linked through the structure, that is, the rotation of the first seat 31 drives the lifting part 312 to move, so as to drive the lifting rope 12 to move, and further drive the backrest 7 to move up and down on the chair back supporting plate 11, so that the sitting posture and standing posture can be switched.
Preferably, the chair further comprises a supporting part 8 for supporting the chair frame 1, wherein the supporting part 8 is provided with a pedal 81 which can adjust the fixed position in the length direction of the supporting part 8;
an included angle between the first handrail 21 and the second handrail 22 is 90 degrees;
the second armrest 22 is capable of adjusting a fixed position along the length direction of the first armrest 21;
the second seat portion 32 is capable of adjusting a fixing position in a longitudinal direction of the first seat portion 31.
Thus, the user can rest on the pedals 81 when the feet need to rest, and the height of the pedals 81 can be properly adjusted according to the needs.
Meanwhile, the included angle between the first handrail 21 and the second handrail 22 is 90 degrees, so that a user can use the handrail more stably and comfortably.
The second armrest 22 and the second seat 32 are capable of adjusting in height as desired to accommodate users of different heights.
Preferably, the pedals 81 are adjustably fixed on the supporting portion 8 by circular hoops 82;
the back of the first handrail 21 is provided with a first sliding rail 211 along the length direction, the second handrail 22 is provided with a first sliding groove 221 matched with the first sliding rail 211, and the first sliding groove 221 is provided with a fastening bolt for fixing the second handrail 22 at a proper position of the first sliding rail 211;
the back of the first seat 31 is provided with a second slide rail 311 along the length direction, the second seat 32 is provided with a second slide slot 321 matched with the second slide rail 311, a fixing block 322 is provided on a side of the second seat 32 corresponding to the second slide rail 311, and a fastening bolt is provided on the fixing block 322 to fix the second seat 32 at a proper position of the second slide rail 311, as shown in fig. 3.
This ensures that the footrests 81, the second armrests 22 and the second seat 32 can be adjusted as required to accommodate users of different heights.
In addition, the first seat 31 includes a horizontal holding mechanism for placing the first seat 31 in a horizontal state for seating a user. The horizontal holding mechanism may be supported in a conventional manner.
The horizontal holding mechanism includes: the horizontal holding mechanism comprises a first supporting rod 91 fixedly arranged on the chair frame 1, and the free end of the first supporting rod 91 is provided with a straight part 92; the flat portion 92 is supported against the back surface of the first seat portion 31 upward so that the first seat portion 31 is kept in a horizontal state;
alternatively, a second support bar, not shown, fixedly provided on the back of the first seat 31, the other end of which abuts on the support portion 8, so that the first seat 31 is maintained in a horizontal state;
thus, the first support bar 91 or the second support bar may be disposed on the first seat portion 31 or the support portion 8, respectively, according to specific needs, to achieve horizontal support of the first seat portion 31.

Claims (11)

1. The dual-purpose chair for sitting and standing comprises a chair frame (1), armrests (2) which are positioned on two sides of the chair frame (1) and are connected with the chair frame (1), and is characterized by also comprising a seat part (3) which is rotatably connected with the chair frame (1); the handrail (2) comprises: a first armrest (21) with one end rotatably and lockably connected with the chair frame (1), and a second armrest (22) connected with the other end of the first armrest (21), wherein the first armrest (21) and the second armrest (22) are respectively used by a user in sitting posture and standing posture.
2. A chair for sitting and standing use according to claim 1, characterized in that said seat (3) comprises: a first seat (31) and a second seat (32) arranged on the back of the first seat (31), wherein the first seat (31) and the second seat (32) are respectively used by a user in sitting and standing postures.
3. A chair according to claim 1, characterized in that a ratchet mechanism (4) is provided between the first arm rest (21) and the chair frame (1) for controlling the switching of the first arm rest (21) between rotation and locking with respect to the chair frame (1).
4. A chair according to claim 1, further comprising a synchronizing linkage arranged between the seat (3) and the armrest (2) for synchronizing the rotation of the armrest (2) and the seat (3).
5. The chair according to claim 2, further comprising a synchronization linkage provided between the first seat (31) and the first armrest (21), the synchronization linkage comprising: the chair comprises a first rotating shaft (51) which is arranged at the joint of a first handrail (21) and a chair frame (1) and is fixedly connected with the first handrail (21), a first driving wheel (52) which is arranged on the first rotating shaft (51), a second rotating shaft (53) which is arranged between a first seat (31) and the chair frame (1) and is fixedly connected with the first seat (31), and a second driving wheel (54) which is arranged on the second rotating shaft (53), wherein the first driving wheel (52) and the second driving wheel (54) are connected through a belt (55) or a chain.
6. A chair according to claim 5, characterized in that the first (52) and/or the second (54) drive wheel are provided with cleats and the belt (55) is provided with cleats matching said cleats.
7. A chair according to claim 1 or 2, further comprising a work plate (6) removably connectable to the second arm rest (22).
8. The chair according to claim 7, characterized in that the free end of the second arm (22) is provided with a cylindrical protrusion (222), the circumference of the cylindrical protrusion (222) being provided with a groove (2221); the working plate (6) comprises an elastic telescopic clamping head (61) arranged in the working plate and a containing groove (62) matched with the cylindrical bulge (222), and when the cylindrical bulge (222) is matched with the containing groove (62), the elastic telescopic clamping head (61) stretches into the groove (2221), so that the working plate (6) is locked on the second handrail (22).
9. The sitting and standing dual-purpose chair according to claim 2, characterized in that the chair frame (1) further comprises a chair back supporting plate (11), wherein the chair back supporting plate (11) is provided with a backrest (7) which can be connected in a sliding way;
a lifting part (312) is further arranged on one side of the first seat part (31) close to the chair back supporting plate (11);
lifting rope (12) that back of the chair backup pad (11) set up, lifting rope (12) one end with carry portion (312) and be connected, the other end is through back of the chair backup pad (11) free end pulley (13) with back of the chair (7) are connected.
10. The sitting and standing dual-purpose chair according to claim 2, further comprising a supporting part (8) for supporting the chair frame (1), wherein the supporting part (8) is provided with a pedal (81) which can adjust the fixed position in the length direction of the supporting part (8);
an included angle between the first handrail (21) and the second handrail (22) is 90 degrees;
the second armrest (22) can adjust the fixed position along the length direction of the first armrest (21);
the second seat (32) is adjustable in a fixed position in the longitudinal direction of the first seat (31).
11. The chair according to claim 10, characterized in that said pedals (81) are adjustably fixed to said support (8) by means of circular collars (82);
a first sliding rail (211) is arranged on the back surface of the first handrail (21) along the length direction, a first sliding groove (221) matched with the first sliding rail (211) is arranged on the second handrail (22), and a fastening bolt is arranged on the first sliding groove (221) and used for fixing the second handrail (22) at a proper position of the first sliding rail (211);
the back of first seat (31) is equipped with second slide rail (311) along length direction, set up on second seat (32) with second slide rail (311) complex second spout (321) second seat (32) with side that second slide rail (311) correspond sets up fixed block (322) set up fastening bolt on fixed block (322) be used for with second seat (32) are in the suitable position of second slide rail (311).
CN202223099877.XU 2022-11-22 2022-11-22 Dual-purpose chair for sitting and standing Active CN220124306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223099877.XU CN220124306U (en) 2022-11-22 2022-11-22 Dual-purpose chair for sitting and standing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223099877.XU CN220124306U (en) 2022-11-22 2022-11-22 Dual-purpose chair for sitting and standing

Publications (1)

Publication Number Publication Date
CN220124306U true CN220124306U (en) 2023-12-05

Family

ID=88956294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223099877.XU Active CN220124306U (en) 2022-11-22 2022-11-22 Dual-purpose chair for sitting and standing

Country Status (1)

Country Link
CN (1) CN220124306U (en)

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