A side armrest switch used in an ergonomic flip function chair

Abstract

A side armrest switch used in an ergonomic flip-function chair comprises a seat body, seat side leans are arranged on both sides of the seat body, the seat side leans are connected to the seat body through the side armrest switch, the seat side leans are adjusted for tilt angle flipping through the side armrest switch, the side armrest switch comprises a bottom box, a side box and a pulling action mechanism, the bottom box is fixedly connected to the bottom of the seat cushion, the side box is fixedly connected to the side of the seat side lean, a rotating shaft is movably connected between the bottom box and the side box, the locking and releasing of the seat side lean is achieved by setting a pulling handle to pull the pin to move horizontally, the operation is very convenient, the overall structure of the side armrest switch is simple, the action reliability is improved, the use stability and service life of the side armrest switch are effectively improved, and the result is connected and pulled by a pulling line, and no other linkage structure is needed in the middle, which greatly reduces the difficulty of assembly.

Description

Technical Field

[0001] The invention belongs to the technical field of functional seats, and in particular relates to a side armrest switch used in an ergonomic flip functional chair. Background Art

[0002] Chairs are one of the essential furniture products in people's lives. With the improvement of modern people's living standards, people pay more and more attention to improving the quality of life, especially office furniture. As people's office hours continue to increase, in addition to the most basic riding comfort function, office chairs are also expected to have a variety of functions to meet different usage needs, such as rest function. The seats with lying rest function on the market are generally structured to adjust the backrest to a flat angle with the seat. The seats with this structure have a much longer longitudinal length of the backrest than the longitudinal length of the seat. When the human body lies flat on the seat, the center of the whole is located at the backrest, and there is no support point under the backrest. When people use seats with this structure to lie flat and rest, they are easy to tip over, which is not safe. In addition, the structural strength requirements of the seat back are high, which increases the manufacturing cost of the entire seat. In response to the above problems, the applicant has previously developed a new type of multifunctional seat with patent number 202120150116.9, which can realize the tilt adjustment function of the side leaning of the seat. The side leaning can be adjusted to a resting state at a flat angle with the seat, and the side leaning can be adjusted to a leaning state at an angle between right and flat with the seat; and when the side leaning is adjusted to the resting state, since the two side leanings are symmetrically arranged, the center of gravity of the seat falls on the seat, and the bottom of the seat is supported by the chair feet. The overall balance of the seat is high, and it is stable and safe to use. At the same time, the seat of this structure has lower requirements on the support strength of the backrest and the side leaning, which can effectively reduce the manufacturing cost of the seat. However, the adjustment structure of the side leaning of the seat is locked by the cooperation of the limit shaft and the latch. When adjusting, it is laborious to press the adjustment handle, and the adjustment structure is complex, and the assembly precision requirements are high. The overall installation of the product is difficult, and functional failures are prone to occur. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a side armrest switch applied to an ergonomic flip functional chair.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A side armrest switch used in an ergonomic flip-function chair comprises a seat body, seat side rests are arranged on both sides of the seat body, the seat side rests are connected to the seat body via the side armrest switch, the seat side rests are tilt-angle flipping adjustment is achieved via the side armrest switch, the side armrest switch comprises a bottom box, a side box and a lifting action mechanism, the bottom box is fixedly connected to the bottom of the seat cushion, the side box is fixedly connected to the side of the seat side rest, a rotating shaft is movably connected between the bottom box and the side box, the lifting action mechanism is installed inside the bottom box and the side box, the lifting action mechanism is used to control the tilt adjustment between the bottom box and the side box, the lifting action mechanism is provided with a lifting handle extending from the top of the side box, the lifting handle is used to control the release operation of the locked state between the bottom box and the side box.

[0006] As a further improvement of the present invention, the lifting action mechanism also includes a latch, which is arranged across the bottom box, and the two ends of the latch respectively extend from the two sides of the bottom box and extend to the two sides of the side box, and the two sides of the side box are respectively provided with gear adjustment holes and arc grooves for the two ends of the latch to extend.

[0007] As a further improvement of the present invention, the lifting action mechanism also includes a fixed sleeve, which is arranged on the outside of the pin, one end of the fixed sleeve is fixedly connected to the side of the bottom box close to the arc groove, and the other end of the fixed sleeve extends to the side close to the gear adjustment hole.

[0008] As a further improvement of the present invention, the lifting action mechanism also includes a fixed head, a movable head and a latch reset spring, the fixed head is fixed to one end of the fixed sleeve close to the gear adjustment hole, the movable head is sleeved on one end of the outer side of the latch close to the gear adjustment hole, the latch reset spring is sleeved on the outer side of the latch, and the two ends of the latch reset spring are respectively connected to the fixed head and the movable head.

[0009] As a further improvement of the present invention, the lifting action mechanism also includes a lifting wire, a wire tube and a handle reset spring, the two ends of the lifting wire are respectively connected to the lifting handle and the movable head, a fixer for fixing the position of one end of the wire tube is provided in the side box, a fixing part for fixing the position of the other end of the wire tube is provided on the outside of the fixed head, the two ends of the wire tube are respectively fixed by the fixer and the fixing part, the lifting wire passes through the wire tube, one end of the handle reset spring is fixedly connected to the side box, and the other end of the handle reset spring is fixedly connected to the lifting handle.

[0010] As a further improvement of the present invention, an upper limit member and a lower limit member for limiting the movement of the lifting handle are provided in the side box, and the lifting handle is provided with a limit hole for cooperating with the upper limit member and the lower limit member for limiting the position, and the upper limit member and the lower limit member extend from the limit hole.

[0011] As a further improvement of the present invention, the handle reset spring is a tension spring, and the latch reset spring is a compression spring.

[0012] As a further improvement of the present invention, an inner cavity capable of accommodating the bottom box is provided in the side box, and the junction between the side box and the bottom box adopts an arc structure that is adapted to each other.

[0013] As a further improvement of the present invention, the movable head is relatively fixedly connected to the latch.

[0014] As a further improvement of the present invention, the fixing head and the fixing sleeve are fixed by a threaded connection.

[0015] The beneficial effects of the present invention are as follows: the side armrest switch of the present invention realizes the locking and releasing of the side leaning of the seat by setting a pulling handle to pull the pin to move horizontally, which is very convenient to operate, and the overall structure of the side armrest switch is simple, the operation reliability is improved, and the use stability and service life of the side armrest switch are effectively improved. Moreover, the result is connected and pulled by a pulling wire, and no other linkage structure is needed in the middle, which greatly reduces the difficulty of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the seat of this embodiment when the side lean is adjusted to a right angle with the seat cushion;

[0017] Figure 2 It is a structural schematic diagram of the seat of this embodiment when the side leaning is adjusted to an intermediate state between a right angle and a flat angle with the seat cushion;

[0018] Figure 3 This is a schematic diagram of the structure of the seat of this embodiment when the side lean is adjusted to a flat angle with the seat cushion;

[0019] Figure 4 This is a schematic diagram of the structure of the side armrest switch of this embodiment;

[0020] Figure 5 This is a schematic diagram of the internal structure of the side armrest switch of this embodiment;

[0021] Figure 6 This is a schematic diagram of the structure of the latch being inserted into the gear adjustment hole and locked in this embodiment;

[0022] Figure 7 This is a schematic diagram of the structure of unlocking the latch after exiting the gear adjustment hole in this embodiment. DETAILED DESCRIPTION

[0023] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Example:

[0025] like Figures 1 to 7 As shown, this embodiment discloses a side armrest switch used in an ergonomic flip function chair, comprising a seat body 1, with seat side leanings 2 provided on both sides of the seat body 1, the seat side leanings 2 connected to the seat body 1 through a side armrest switch 3, the seat side leanings 2 can be adjusted by the side armrest switch 3 to achieve tilt flip adjustment, that is, to adjust the angle between the seat side leanings 2 and the seat cushion 11 in the seat body 1, and the side armrest switch 3 can at least adjust the seat side leanings 2 to a right angle with the seat cushion 11 of the seat body 1 and to a flat angle with the seat cushion 11 of the seat body 1. When the seat side leanings 2 are adjusted to a right angle with the seat cushion 11 of the seat body 1, in this state, the seat side leanings 2 on both sides of the seat body 1 are enclosed on both sides of the seat to support both sides of the user, so that the overall covering of the seat is enhanced, the user's riding comfort is improved, and the fatigue of the user after long-term use is reduced by increasing the support area for the user over a large area, so that it is suitable for users who sit for a long time and conforms to the ergonomic design. When the seat side 2 is adjusted to a flat angle with the seat cushion 11 of the seat body 1, in this state, the seat side 2 is unfolded flat, and the seat side 2 and the seat cushion 11 of the seat body 1 form a resting bed structure, and the user can lie flat on the seat to rest. When the seat side 2 is adjusted to the resting state, since the two seat side 2 are symmetrically arranged, the center of gravity of the seat falls on the seat cushion 11, and the bottom of the seat cushion 11 is supported by the chair feet 12, the overall balance of the seat is high, and the use is stable and safe. At the same time, the seat of this structure has a smaller support strength requirement for the seat back 13 and the seat side 2, which can effectively reduce the manufacturing cost of the seat. Of course, in order to enable the seat to adapt to the needs of multi-angle adjustment and use, the side armrest switch 3 can also adjust the seat side 2 to an inclined state between a right angle and a flat angle with the seat cushion 11 of the seat body 1.

[0026] In this embodiment, in order to enable the seat side leaning 2 to realize the tilt angle flip adjustment function, the side armrest switch 3 includes a bottom box 32, a side box 33 and a lifting action mechanism, the bottom box 32 is fixedly connected to the bottom of the seat cushion 11, the side box 33 is fixedly connected to the side of the seat side leaning 2, a rotating shaft 34 is provided between the bottom box 32 and the side box 33 for movable connection, the lifting action mechanism is installed inside the bottom box 32 and the side box 33, the lifting action mechanism is used to control the tilt angle adjustment between the bottom box 32 and the side box 33, the lifting action mechanism is provided with a lifting handle 31 extending from the top of the side box 33, and the lifting handle 31 is used to control the release operation of the locked state between the bottom box 32 and the side box 33. When the user needs to adjust the tilt and flipping of the seat side rest 2, the user can release the locking state between the bottom box 32 and the side box 33 by pulling the handle 31, and the side box 33 can move relative to the bottom box 32. At this time, the side box 33 can rotate relative to the bottom box 32 around the rotation axis 34, and the user can adjust the tilt and flipping of the seat side rest 2 by pushing the seat side rest 2.

[0027] Specifically, the lifting action mechanism also includes a latch 35, a fixing sleeve 36, a fixing head 37, a movable head 38, a lifting wire 39, a wire tube 40, a handle reset spring 41 and a latch reset spring 42. The latch 35 is arranged across the bottom box 32, and the two ends of the latch 35 extend from the two sides of the bottom box 32 and extend to the two sides of the side box 33. The two sides of the side box 33 are respectively provided with a gear adjustment hole 331 and an arc groove 332 for the two ends of the latch 35 to extend. There are several gear adjustment holes 331. The end of the latch 35 is inserted into one of the gear adjustment holes 331, corresponding to a tilt and flip adjustment gear of the seat side lean 2, and the arc groove 332 is provided with a line for the other end of the latch 35 to be inserted, so that the latch 35 can be extended and moved when the tilt and flip adjustment of the seat side lean 2 is performed. The fixed sleeve 36 is sleeved on the outside of the latch 35, one end of the fixed sleeve 36 is fixedly connected to the side of the bottom box 32 close to the arc groove 332, and the other end of the fixed sleeve 36 extends to the side close to the gear adjustment hole 331. The fixed head 37 is fixed to the end of the fixed sleeve 36 close to the gear adjustment hole 331, and the movable head 38 is sleeved on the end of the outside of the latch 35 close to the gear adjustment hole 331. The latch reset spring 42 is sleeved on the outside of the latch 35, and the two ends of the latch reset spring 42 are respectively connected to the fixed head 37 and the movable head 38. 8. The two ends of the pulling wire 39 are respectively connected to the pulling handle 31 and the movable head 38. The side box 33 is provided with a fixer 43 for fixing the position of one end of the wire tube 40. The outer side of the fixing head 37 is provided with a fixing portion 371 for fixing the position of the other end of the wire tube 40. The two ends of the wire tube 40 are respectively fixed by the fixer 43 and the fixing portion 371. The pulling wire 39 passes through the wire tube 40. The pulling wire 39 is guided by the wire tube 40, so that the pulling action of the pulling wire 39 can be converted from the up and down pulling action to the front and back pulling pin 35 to move. One end of the handle reset spring 41 is fixedly connected in the side box 33, and the other end of the handle reset spring 41 is fixedly connected to the lifting handle 31. The side box 33 is provided with an upper limiter 44 and a lower limiter 45 for limiting the movement of the lifting handle 31. The lifting handle 31 is provided with a limiting hole 411 for cooperating with the upper limiter 44 and the lower limiter 45 to limit the position. The upper limiter 44 and the lower limiter 45 extend from the limiting hole 411. The handle reset spring 41 is a tension spring, and the latch reset spring 42 is a compression spring.

[0028] The working principle of this embodiment is as follows: by pulling up the lifting handle 31, the lifting handle 31 pulls the lifting wire 39, the lifting wire 39 pulls the movable head 38, the movable head 38 drives the latch 35 to move horizontally, the latch 35 exits the gear adjustment hole 331, the locking state between the side box 33 and the bottom box 32 is released, and the seat side 2 can be tilted and flipped. At this time, the handle reset spring 41 is stretched and the latch reset spring 42 is compressed. After the seat side 2 is adjusted, the lifting handle 31 is released, and the lifting handle 31 and the latch 35 are reset under the elastic reset action of the handle reset spring 41 and the latch reset spring 42 respectively, and the latch 35 enters the gear adjustment hole 331, so that the bottom box 32 and the side box 33 are locked.

[0029] As a preferred embodiment, the side box 33 is provided with an inner cavity 333 that can accommodate the bottom box 32, and the junction of the side box 33 and the bottom box 32 adopts a mutually adaptive arc structure, so that when the seat side rest 2 is tilted and adjusted, the end of the bottom box 32 can smoothly enter the inner cavity 333 of the side box 33.

[0030] As a preferred embodiment, the movable head 38 is relatively fixedly connected to the latch pin 35 , and a screw 46 is radially screwed into the outer side of the movable head 38 so that the screw 46 tightens the latch pin 35 , thereby achieving a fixed connection between the movable head 38 and the latch pin 35 .

[0031] As a preferred embodiment, the fixing head 37 and the fixing sleeve 36 are fixed via a threaded connection.

[0032] The above description is only a preferred embodiment of the present invention. Any technical solution that achieves the purpose of the present invention by substantially the same means belongs to the protection scope of the present invention.

Claims

1. A side armrest switch for an ergonomic flip-function chair, comprising a seat body (1), wherein seat side rests (2) are provided on both sides of the seat body (1), and the characteristics are: The seat side lean (2) is connected to the seat body (1) via a side armrest switch (3), and the seat side lean (2) is tilted and flipped by the side armrest switch (3). The side armrest switch (3) comprises a bottom box (32), a side box (33) and a lifting mechanism. The bottom box (32) is fixedly connected to the bottom of the seat cushion (11), and the side box (33) is fixedly connected to the side of the seat side lean (2). A rotating shaft (34) is movably connected between the bottom box (32) and the side box (33). The lifting mechanism is installed inside the bottom box (32) and the side box (33). The lifting mechanism is used to control the tilt adjustment between the bottom box (32) and the side box (33). The lifting mechanism is provided with a lifting handle (31) extending from the top of the side box (33). The lifting handle (31) is used to control the release operation of the locking state between the bottom box (32) and the side box (33). The lifting mechanism further comprises a latch (35), the latch (35) being arranged across the bottom box (32), the two ends of the latch (35) respectively extending from the two sides of the bottom box (32) and extending to the two sides of the side box (33), the two sides of the side box (33) respectively being provided with a gear adjustment hole (331) and an arc groove (332) for the two ends of the latch (35) to extend; The lifting mechanism further comprises a fixing sleeve (36), the fixing sleeve (36) being sleeved on the outside of the latch (35), one end of the fixing sleeve (36) being fixedly connected to a side of the bottom box (32) close to the arc groove (332), and the other end of the fixing sleeve (36) extending to a side close to the gear adjustment hole (331); The lifting mechanism further comprises a fixed head (37), a movable head (38) and a latch reset spring (42), wherein the fixed head (37) is fixed to one end of the fixed sleeve (36) close to the gear adjustment hole (331), the movable head (38) is sleeved on one end of the outer side of the latch (35) close to the gear adjustment hole (331), the latch reset spring (42) is sleeved on the outer side of the latch (35), and the two ends of the latch reset spring (42) are respectively connected to the fixed head (37) and the movable head (38); The lifting action mechanism further comprises a lifting wire (39), a wire tube (40) and a handle return spring (41); the two ends of the lifting wire (39) are respectively connected to the lifting handle (31) and the movable head (38); a fixer (43) for fixing the position of one end of the wire tube (40) is provided inside the side box (33); a fixing portion (371) for fixing the position of the other end of the wire tube (40) is provided outside the fixing head (37); the two ends of the wire tube (40) are respectively fixed by the fixer (43) and the fixing portion (371); the lifting wire (39) passes through the wire tube (40); one end of the handle return spring (41) is fixedly connected to the side box (33); and the other end of the handle return spring (41) is fixedly connected to the lifting handle (31).

2. The side armrest switch used in an ergonomic flip function chair according to claim 1, characterized in that: An upper limit member (44) and a lower limit member (45) for limiting the movement of the lifting handle (31) are provided in the side box (33); a limit hole (411) for cooperating with the upper limit member (44) and the lower limit member (45) for limiting the movement of the lifting handle (31) is provided in the lifting handle (31); the upper limit member (44) and the lower limit member (45) extend out of the limit hole (411).

3. The side armrest switch used in an ergonomic flip function chair according to claim 2, characterized in that: The handle return spring (41) is a tension spring, and the latch return spring (42) is a compression spring.

4. The side armrest switch used in an ergonomic flip function chair according to claim 1, characterized in that: An inner cavity (333) capable of accommodating the bottom box (32) is provided in the side box (33), and a joint between the side box (33) and the bottom box (32) adopts an arc-shaped structure that is adapted to each other.

5. The side armrest switch used in an ergonomic flip function chair according to claim 1, characterized in that: The movable head (38) is relatively fixedly connected to the latch pin (35).

6. The side armrest switch used in an ergonomic flip function chair according to claim 1, characterized in that: The fixed head (37) and the fixed sleeve (36) are fixed via a threaded connection.

Images