Seat surface form change control device of chair for sitting and standing
阅读说明：本技术 一种坐站椅的座面形态变化控制装置 (Seat surface form change control device of chair for sitting and standing ) 是由 何基 叶金 蒋小兵 于 2019-10-13 设计创作，主要内容包括：本发明公开了一种坐站椅的座面形态变化控制装置,该控制装置包括滑槽引导机构及适时升降运动的座支撑件,所述的座支撑件包括中座及位于中座左侧或右侧的侧座,侧座与中座转动连接；所述的滑槽引导机构包括连接于侧座上的导向轴以及固定设置在侧座后方的导引支撑板,在导引支撑板上开有纵向设置的滑槽,导向轴插置在滑槽内；且导向轴与滑槽被配置为当中座升降时,导向轴沿滑槽限定的轨迹运动,并使得侧座向下或向上翻转。通过滑槽引导机构进行控制,侧座上的导向轴插置在导引支撑板上预设的滑槽内,在中座运动时,通过导向轴与滑槽的配合实现侧座的翻转。相比现有技术来说,结构较为简单,操作较为简便,使用者的体验感较好。(The invention discloses a seat surface form change control device of a chair for sitting and standing, which comprises a chute guide mechanism and a seat support piece which can be lifted and lowered timely, wherein the seat support piece comprises a middle seat and a side seat positioned on the left side or the right side of the middle seat, and the side seat is rotationally connected with the middle seat; the sliding groove guide mechanism comprises a guide shaft connected to the side seat and a guide support plate fixedly arranged behind the side seat, a sliding groove is longitudinally arranged on the guide support plate, and the guide shaft is inserted in the sliding groove; and the guide shaft and the sliding groove are configured to move along a track defined by the sliding groove when the middle seat is lifted, so that the side seat is turned downwards or upwards. The side seat is controlled by the sliding groove guide mechanism, the guide shaft on the side seat is inserted into a preset sliding groove in the guide support plate, and when the middle seat moves, the side seat is turned over by the matching of the guide shaft and the sliding groove. Compared with the prior art, the structure is simpler, the operation is simpler and more convenient, and the experience of a user is better.)
1. A seat face form change control device of a sitting-standing chair is characterized in that: the control device comprises a chute guide mechanism and a seat support member which can timely move up and down, wherein the seat support member comprises a middle seat and a side seat positioned on the left side or the right side of the middle seat, and the side seat is rotationally connected with the middle seat; the sliding groove guide mechanism comprises a guide shaft connected to the side seat and a guide support plate fixedly arranged behind the side seat, a sliding groove is longitudinally arranged on the guide support plate, and the guide shaft is inserted in the sliding groove; and the guide shaft and the sliding groove are configured to move along a track defined by the sliding groove when the middle seat is lifted, so that the side seat is turned downwards or upwards.
2. The seat surface form change control device for a seat according to claim 1, wherein: the sliding chute at least comprises an inclined section; when the guide shaft moves in the inclined section, the lever arm rotates around the circle center formed by the connection part of the lever arm and the side seat, and then the side seat is driven to deflect.
3. The seat surface form change control device for a seat according to claim 1, wherein: the sliding groove at least comprises an inclined section, and further comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the middle seat, the other end of the first connecting rod is hinged to one end of the second connecting rod, the other end of the second connecting rod is hinged to the side seat, the first connecting rod, the second connecting rod, the side seat and the middle seat form a four-bar mechanism, and the guide shaft is arranged on any one of the first connecting rod or the second connecting rod.
4. The seat surface morphology control apparatus of a seat chair according to claim 2 or 3, characterized in that: along the width direction of the guide supporting plate, the inclined section of the sliding chute extends outwards gradually from top to bottom.
5. The seat surface morphology control apparatus of a seat chair according to claim 2 or 3, characterized in that: the sliding chute further comprises a vertical section, and the vertical section is arranged above the inclined section.
6. The seat surface form change control device for a seat according to claim 1, wherein: the sliding assembly comprises a movable rail and a static rail which are in sliding fit with each other, wherein the static rail is fixedly connected with a base of the chair for sitting and standing; the driving assembly is configured to drive the movable rail to slide along the static rail, and the middle seat and the movable rail are relatively fixed; the guide support plate is connected to the static rail and is positioned on the left side and the right side of the static rail.
7. The seat surface form change control device for a seat as claimed in claim 6, wherein: the guide support plate and the static rail are integrally formed.
8. The seat surface form change control device for a seat according to claim 1, wherein: the fixed connection of the static rail and the base refers to that: the lower end of the static rail is connected with the base through a fastener, or the lower end of the static rail is welded and fixed with the base.
9. The seat surface form change control device of a seat chair as claimed in claim 6, wherein: the driving component is any one of an air rod, a hydraulic rod or a motor.
10. The seat surface form change control device of a seat chair as claimed in claim 9, wherein: the driving assembly adopts a pneumatic rod or a hydraulic rod, one end of the driving assembly is connected with the movable rail, and the other end of the driving assembly is connected with the base or the static rail.
11. The seat surface form change control device of a seat chair as claimed in claim 9, wherein: the driving assembly adopts a motor, and the motor is a push rod motor or a linear motor.
12. The seat surface form change control device of a seat chair as claimed in claim 6, wherein: the movable rail and the static rail form an accommodating space therebetween, and the driving assembly is arranged in the accommodating space.
13. The seat surface form change control device of a seat chair as claimed in claim 1, wherein: the guide shaft is sleeved with a roller wheel, and the roller wheel is in rolling fit with the sliding groove.
Technical Field
The invention relates to the field of seats, in particular to a seat surface form change control device of a sitting and standing chair.
Background
The seat is widely used in the study and work of modern people, and only has the function of sitting for most office chairs or study chairs; physiologically, a person standing for a long time is easy to feel tired due to heavy leg load; people who sit for a long time also feel uncomfortable or tired, and various diseases such as hypomnesis, headache and dizziness, lumbar vertebra and cervical vertebra and the like are caused because of insufficient cerebral blood supply, the weight of the whole body is pressed on the bottom end of the vertebra and the like, so that the health is not good. Sedentariness physical disadvantages have been studied and reported in many ways, where a person standing for a long time wants to sit and stand.
Among sedentary people, it seems that office white-collar workers and students who study in schools sit for the longest time, and they sit for work or study almost all the day, and are difficult to adjust their postures, and not only people are easily fatigued, but also their bodies are easily affected. The solution to this problem is preferably to allow the "sitting" and "standing" of the person to be alternated.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides a seat surface form change control device of a sitting and standing chair, which enables a side seat to synchronously change when lifting along with a middle seat, and the side seat turns up and down along with the movement of a chair seat, so that a user can adjust the following components according to the needs: or sitting or standing, thereby providing convenience for the alternate transformation of sitting and standing postures; more importantly, the invention can be realized only by the sliding fit of the guide shaft along the sliding groove.
The technical scheme of the invention is realized as follows:
a seat surface form change control device of a chair for sitting and standing comprises a chute guide mechanism and a seat support member which can timely move up and down, wherein the seat support member comprises a middle seat and a side seat positioned on the left side or the right side of the middle seat, and the side seat is rotatably connected with the middle seat; the sliding groove guide mechanism comprises a guide shaft connected to the side seat and a guide support plate fixedly arranged behind the side seat, a sliding groove is longitudinally arranged on the guide support plate, and the guide shaft is inserted in the sliding groove; and the guide shaft and the sliding groove are configured to move along a track defined by the sliding groove when the middle seat is lifted, so that the side seat is turned downwards or upwards.
By adopting the control device, when the flat sitting state is required to be converted into the standing state, the movable rail is driven by external force to move upwards, the middle seat moves upwards along with the movable rail, the side seats are rotationally connected with the middle seat, the guide shaft moves along the track limited by the sliding groove, the relative position or distance between the guide shaft and the side seats is kept unchanged, the shape design of the sliding groove enables the side seats to turn downwards in the moving process of the guide shaft, and at the moment, the middle seat can present the posture for a user to ride and ride, namely, only the middle seat presents the posture for supporting the buttocks of the human body in the standing state; the two states can be freely switched only by sliding fit of the sliding rail component; and conversely, when the standing posture state is converted into the flat sitting state, the movable rail is driven by external force to move downwards, the guide shaft moves downwards along the track limited by the sliding groove and synchronously drives the side seat to turn upwards and finally to be positioned on the same surface with the middle seat. The sliding groove guide mechanism is simple in structure, reduces cost and simplifies the mechanism.
Preferably, the device also comprises a lever arm, one end of the lever arm is fixedly connected with the side seat, the guide shaft is connected to the other end of the lever arm, and the sliding chute at least comprises an inclined section; when the guide shaft moves in the inclined section, the lever arm rotates around the circle center formed by the connection part of the lever arm and the side seat, and then the side seat is driven to deflect. Because the lever arm and the side seat are relatively fixed and form a certain included angle, when the guide shaft is guided by the inclined section of the chute, the lever arm is driven to rotate, and the side seat rotates along with the lever arm.
Preferably, the sliding chute at least comprises an inclined section, and further comprises a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is hinged with the middle seat, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with the side seat, the first connecting rod, the second connecting rod, the side seat and the middle seat form a four-bar mechanism, and the guide shaft is arranged on any one of the first connecting rod or the second connecting rod. The four-bar linkage mechanism is formed by the first connecting bar, the second connecting bar, the side seats and the middle seat, and the middle seat is immobile, so that when the guide shaft is guided by the sliding chute, the first connecting bar and the second connecting bar are linked to drive the side seats to overturn; the four-bar mechanism enables the inclination angle of the inclined section of the sliding groove to be smaller, and the distance between the left sliding groove and the right sliding groove to be smaller, so that the whole body is more attractive, the width of the guide supporting plate can be reduced, and more space is not additionally occupied.
Preferably, the inclined section of the sliding groove extends outwards gradually from top to bottom along the width direction of the guide support plate. The arrangement of the sliding groove enables the guide shaft to be in accordance with the ascending of the middle seat and the downward overturning of the side seat when guiding; the law of descending of the middle seat and upward turning of the side seats.
Preferably, the chute further comprises a vertical section, and the vertical section is arranged above the inclined section. The vertical section guides the guide shaft, and the side seat does not turn over at the moment but continues to lift along with the middle seat so as to reach the height required by a user and adapt to people with different heights.
Preferably, the chair further comprises a sliding assembly and a driving assembly, wherein the sliding assembly comprises a movable rail and a stationary rail which are in sliding fit with each other, and the stationary rail is fixedly connected with the base of the chair for sitting and standing; the driving assembly is configured to drive the movable rail to slide along the static rail, and the middle seat and the movable rail are relatively fixed; the guide support plate is connected to the static rail and is positioned on the left side and the right side of the static rail. Thus, the left side and the right side can be stressed evenly.
Preferably, the guide support plate and the stationary rail are integrally formed. Thus, the processing and the arrangement are more convenient.
Preferably, the fixed connection of the stationary rail and the base is as follows: the lower end of the static rail is connected with the base through a fastener, or the lower end of the static rail is welded and fixed with the base. The static rail can be detachably connected with the base and can also be connected into a whole in a welding mode; the static rail and the base can be directly connected, and can also be fixedly connected through an intermediate piece; for example, the two static rails can be symmetrical and are respectively arranged at the left side and the right side of the base, and the lower ends of the static rails are fixedly connected with the base through the middle piece.
Preferably, the driving component is any one of an air rod, a hydraulic rod or a motor.
Preferably, the driving assembly adopts an air rod or a hydraulic rod, one end of the driving assembly is connected with the movable rail, and the other end of the driving assembly is connected with the base or the static rail.
Preferably, the driving assembly adopts a motor, and the motor is a push rod motor or a linear motor.
Preferably, an accommodating space is formed between the movable rail and the stationary rail, and the driving assembly is arranged in the accommodating space. Therefore, the driving assembly is beneficial to hiding and containing, and the external space is saved.
Preferably, the guide shaft is sleeved with a roller, and the roller is in rolling fit with the sliding groove. Thus, friction can be reduced, and sliding can be smoother.
The design starting point, the idea and the beneficial effects of the invention adopting the technical scheme are as follows:
the seat supporting piece has a flat sitting state and a standing state, and the state is converted by lifting the seat supporting piece, so that the side seat is turned over relative to the middle seat; when the two states are freely switched, the two states can be realized only by the support piece of the seat; specifically, the control is carried out through a sliding groove guide mechanism, a guide shaft on the side seat is inserted into a sliding groove preset on a guide support plate, and when the middle seat moves, the side seat is turned over through the matching of the guide shaft and the sliding groove. Compared with the prior art, the structure is simpler, the operation is simpler and more convenient, and the experience of a user is better.
Drawings
FIG. 1 is a first perspective view of a chair according to an
FIG. 2 is a schematic perspective view of a chair in a flat-seated position according to
FIG. 3 is a first schematic perspective view of the chair according to
FIG. 4 is a first perspective view of the chair according to the present invention, wherein the guiding axle of the chair is moved to the vertical section of the sliding slot in
FIG. 5 is a rear view of a chair of the invention in a flat-seated state in
FIG. 6 is a rear view showing the guide shaft of the chair of
FIG. 7 is a rear view showing the guide shaft of the chair moved to the vertical section of the slide groove in the
FIG. 8 is a second schematic perspective view of a chair according to
FIG. 9 is a second schematic perspective view showing the movement of the guide shaft of the chair between the vertical section and the inclined section of the slide groove according to
FIG. 10 is a second schematic perspective view of the chair of
FIG. 11 is a side view of a chair of the invention in the flat-seated state in
FIG. 12 is a side view showing an intermediate state of the chair of
FIG. 13 is a side view showing the guide shaft of the chair of
FIG. 14 is a side view showing the guide shaft of the chair moved to the vertical section of the slide groove in the
FIG. 15 is a first perspective view of a chair according to
FIG. 16 is a schematic perspective view showing the structure of a chair according to
FIG. 17 is a schematic top view of a bicycle saddle-shaped seat in accordance with
FIG. 18 is a schematic top view of a saddle-shaped chair according to
FIG. 19 is a schematic top view of a chair of the invention in
FIG. 20 is a second schematic perspective view of a chair according to
FIG. 21 is a schematic perspective view of a chair of
FIG. 22 is a schematic perspective view showing the movement of the guide shaft of the chair between the vertical section and the inclined section of the slide groove according to
FIG. 23 is a schematic perspective view showing the structure of the chair according to the
FIG. 24 is a schematic plan view of the sliding rail assembly of the
FIG. 25 is a schematic plan view showing a push rod motor in accordance with
FIG. 26 is a schematic plan view showing the movable and stationary rails having dovetail shapes according to the present invention in
FIG. 27 is a schematic plan view showing the movable and stationary rails having T-shaped configurations according to
FIG. 28 is a schematic plan view showing the structure of a slider combined with a guide rail according to
fig. 29 is a schematic plan view of the structure in which the slider and the guide rail are respectively disposed on the movable rail and the stationary rail in
FIG. 30 is a partial schematic perspective view of a locking device using handle control according to
FIG. 31 is a first plan view showing a first lock mechanism using a latch control according to
FIG. 32 is a second schematic plan view showing a latch-controlled lock mechanism according to
FIG. 33 is a rear view of a chair of
FIG. 34 is a rear view showing an intermediate state of the chair of
FIG. 35 is a rear view showing the guide shaft of the chair moved between the vertical section and the inclined section of the slide groove in
FIG. 36 is a rear view showing the guide shaft of the chair moved to the vertical section of the slide groove in the
fig. 37 is an exploded perspective view of a
fig. 38 is a schematic perspective view of a
fig. 39 is a cross-sectional view showing the seesaw of the base in the locked state according to
fig. 40 is a cross-sectional view of the base of the present invention in
fig. 41 is a cross-sectional view showing the seesaw of the base in the unlocked state in
fig. 42 is a sectional view showing the seesaw of the base in the locked state according to
The figures are numbered: a seat support assembly 1; a lifting air rod 2; supporting legs 3; a roller 4; a base 5; a slide rail assembly 6; a movable rail 7; a slider 71; a flange 78; a stationary rail 8; a guide rail 81; a seat support 9; a side seat 10; a middle seat 11; a back support 12; a shade 13; a linkage 14; a drive assembly 15; an accommodating space 16; a piston rod head 17 of the air rod; a bottom 18 of the air rod seat; a base body 31; a rocker 32; a screw 33; a handle 34; a screw hole 35; the positioning holes 36; a spring 38; a motor 40; a sliding rail 41; a slide block 42; a motor base 43; a latch 50; a lug 51; a plug-in hole 52; a chute 60; an inclined section 601; a vertical section 602; a guide shaft 61; a guide support plate 62; a lever arm 63; the first link 64; a second link 65; a return spring 68; a lock plate 69; a mounting seat 70; a slide pin 72; a torsion spring 73; a first torsion arm 731; a second torque arm 732; a center ring 733; a locking pin 74; a locking pin support plate 75; a lock hole 76; a press plate 77; the pressing portion 78.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiment of the invention is as follows:
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