CN106820725B

CN106820725B - Health chair

Info

Publication number: CN106820725B
Application number: CN201710192726.3A
Authority: CN
Inventors: 罗庆基
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-28
Filing date: 2017-03-28
Publication date: 2023-06-16
Anticipated expiration: 2037-03-28
Also published as: CN106820725A

Abstract

The invention provides a health-care chair, which comprises a bottom frame, a leg support hinged to the front end of the top of the bottom frame, a chair back support hinged to the rear end of the top of the bottom frame, a cushion arranged on the bottom frame, the leg support and the chair back support, a first driving mechanism for driving the leg support and the chair back support to rotate, and a controller, wherein the first driving mechanism is used for driving the leg support and the chair back support to rotate; the chair back support can be driven by a motor to twist back and forth, and the twisting angle from top to bottom is linearly reduced, so that the chair back support is suitable for the rotation condition of the spine when the upper body of a human body rotates. Can effectively relax waist muscle, strengthen intestinal peristalsis and improve gastrointestinal tract function.

Description

Health chair

Technical Field

The invention relates to the field of health care equipment, in particular to a health care chair.

Background

People do various mental and certain physical labor, need to sit for a long time or bend down for a long time, and easily cause lumbar muscle strain. In addition, sedentary sitting is also prone to cause discomfort such as dyspepsia, abdominal distension, gastrointestinal dysfunction, etc. There is a need for a health chair that can relax the waist and improve gastrointestinal function.

Disclosure of Invention

The invention aims to provide a health-care chair which can effectively relax waist muscles, strengthen intestinal peristalsis and improve gastrointestinal tract functions.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the health chair comprises a bottom frame, a leg support hinged at the front end of the top of the bottom frame, a chair back support hinged at the rear end of the top of the bottom frame, a cushion arranged on the bottom frame, the leg support and the chair back support, a first driving mechanism for driving the leg support and the chair back support to rotate, and a controller; the chair back support comprises a rotating shaft, an upper beam, a lower beam and a plurality of transverse bars, wherein the upper beam is arranged at the upper end of the rotating shaft and synchronously rotates with the rotating shaft, the lower beam is arranged at the lower end of the rotating shaft and does not rotate along with the rotating shaft, the transverse bars are rotatably sleeved on the rotating shaft and positioned between the upper beam and the lower beam, and the second driving mechanism is used for driving the rotating shaft to reciprocally rotate; the two ends of the upper beam, the lower beam and the cross bar are respectively provided with a joint bearing, and the joint bearings at the same end are inserted with a transmission rod; the first driving mechanism and the second driving mechanism are electrically connected with the controller.

The second driving mechanism comprises a motor arranged below the side of the rotating shaft, a first connecting rod vertically and fixedly connected to the output shaft of the motor, a second connecting rod vertically and fixedly connected to the rotating shaft, and a third connecting rod with two ends respectively hinged with the first connecting rod and the second connecting rod; the motor is electrically connected with the controller.

The upper beam is sleeved at the upper end of the rotating shaft and connected by a key; the lower beam is sleeved at the lower end of the rotating shaft through a bearing; the transverse bar is sleeved on the rotating shaft through an angular contact bearing.

The health-care chair is characterized in that the upper beam, the lower beam and the cross bars are respectively provided with a cushion plate for installing cushions.

The health-care chair is characterized in that the chair back support further comprises a headrest arranged above the upper beam, and the headrest is sleeved on the rotating shaft and can synchronously rotate with the rotating shaft.

The first driving mechanism comprises a first driving rod hinged with the leg support, a second driving rod just connected with the chair back support, a third driving rod hinged with the first driving rod and the second driving rod respectively at two ends, and an electric telescopic rod with one end hinged with the middle part of the second driving rod and the other end hinged with the underframe; the electric telescopic rod is electrically connected with the controller.

The health-care chair is characterized in that two first driving rods and two third driving rods are symmetrically arranged, one end, close to the chair back support, of each third driving rod is connected with a cross rod, and the second driving rods are in pivot connection with the cross rods.

The health-care chair also comprises two armrests connected with the chair back bracket; each armrest comprises a connecting column connected with the chair back support, an armrest frame used for placing the arms and an armrest connecting rod used for connecting the connecting column and the armrest frame.

The health-care chair is characterized in that the armrest connecting rod is connected with the armrest frame through a first angle regulator; the handrail connecting rod is connected with the connecting column through a second angle adjuster; the controller is arranged on the armrest frame.

The health-care chair is characterized in that a plurality of universal wheels with self-locking functions are arranged at the lower end of the underframe.

The beneficial effects are that:

the invention provides a health-care chair, which comprises a bottom frame, a leg support hinged to the front end of the top of the bottom frame, a chair back support hinged to the rear end of the top of the bottom frame, a cushion arranged on the bottom frame, the leg support and the chair back support, a first driving mechanism for driving the leg support and the chair back support to rotate, and a controller, wherein the first driving mechanism is used for driving the leg support and the chair back support to rotate; the chair back support comprises a rotating shaft, an upper beam, a lower beam and a plurality of transverse bars, wherein the upper beam is arranged at the upper end of the rotating shaft and synchronously rotates with the rotating shaft, the lower beam is arranged at the lower end of the rotating shaft and does not rotate along with the rotating shaft, the transverse bars are rotatably sleeved on the rotating shaft and positioned between the upper beam and the lower beam, and the second driving mechanism is used for driving the rotating shaft to reciprocally rotate; the two ends of the upper beam, the lower beam and the cross bar are respectively provided with a joint bearing, and the joint bearings at the same end are inserted with a transmission rod. Under the action of the second driving mechanism, the rotating shaft drives the upper beam to reciprocate, the upper beam drives the two transmission rods to swing back and forth by taking the joint bearings at the two ends of the lower beam as the center, and the two transmission rods drive the transverse bars to reciprocate around the rotating shaft. The change is suitable for the rotation condition of the spine when the upper body of the human body rotates, so that the muscle of the waist can be effectively relaxed, the intestinal tract is forced to creep when the waist is rotated, the gastrointestinal tract function is improved, and in addition, the excessive rotation of the spine can not bring additional burden.

Drawings

Fig. 1 is a schematic structural view of a health chair according to the present invention.

Fig. 2 is a block diagram of a chair back support in the health care chair provided by the invention.

Fig. 3 is a structural view of a chassis in the health chair provided by the invention.

Fig. 4 is a block diagram of the first driving mechanism and the leg support in the health chair according to the present invention.

Fig. 5 is a structural view of an armrest in the health chair provided by the invention.

Fig. 6 is an enlarged view of the S portion in fig. 2.

Fig. 7 is a block diagram of a second driving mechanism in the health chair according to the present invention.

Description of the embodiments

The invention provides a health care chair, which is further described in detail below by referring to the accompanying drawings and examples in order to make the purposes, technical schemes and effects of the invention clearer and more definite. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1-7, the present invention provides a health care chair, comprising a chassis 1, a leg support 2 hinged at the front end of the top of the chassis, a back support 3 hinged at the rear end of the top of the chassis, a cushion 4 arranged on the chassis, the leg support and the back support, a first driving mechanism 5 for driving the leg support and the back support to rotate, and a controller 6; the chair back bracket 3 comprises a rotating shaft 31, an upper beam 32 which is arranged at the upper end of the rotating shaft and rotates synchronously with the rotating shaft, a lower beam 33 which is arranged at the lower end of the rotating shaft and does not rotate along with the rotating shaft, a plurality of cross bars 34 which are rotatably sleeved on the rotating shaft and are positioned between the upper beam and the lower beam, and a second driving mechanism 35 for driving the rotating shaft to rotate in a reciprocating manner; the two ends of the upper beam, the lower beam and the cross bar are respectively provided with a joint bearing 36, and the joint bearings at the same end are inserted with a transmission rod 37; the first driving mechanism 5 and the second driving mechanism 35 are electrically connected with the controller 6. For aesthetic and comfort reasons, the chair may also be provided with padding and a coating layer that covers the surface of the chair.

When the device is used, the angle of the leg support and the chair back support is regulated by the controller, after the rotating speed gear is selected, under the action of the second driving mechanism 35, the rotating shaft 31 drives the upper beam 32 to reciprocate, the upper beam drives the two transmission rods 37 to swing back and forth by taking the joint bearings at the two ends of the lower beam 33 as the center, the two transmission rods drive the transverse bar 34 to reciprocate around the rotating shaft, and as the two transmission rods swing by taking the joint bearings at the two ends of the lower beam as the center, the displacement at the two ends of the plurality of cross beams linearly changes along with the height, so that the rotating angle of the cross beams also linearly changes. The change is suitable for the rotation condition of the spine when the upper body of the human body rotates, so that the muscle of the waist can be effectively relaxed, the intestinal tract is forced to creep when the waist is rotated, the gastrointestinal tract function is improved, and in addition, the excessive rotation of the spine can not bring additional burden.

Here, the upper beam, the lower beam, and the cross bar are connected to the transmission rod by using joint bearings so that the transmission rod can swing in any direction, and the first stopper 361 may be provided above and below one of the joint bearings so that the transmission rod 37 does not slide down from the joint bearing 36, as shown in fig. 2. The first stop 361 may be a clip, a throat or other protrusion that can be secured to the surface of the drive rod.

Specifically, as shown in fig. 2 and 7, the second driving mechanism 35 includes a motor 351 disposed below the side of the rotating shaft 31, a first link 352 vertically fixedly connected to an output shaft of the motor, a second link 353 vertically fixedly connected to the rotating shaft 31, and a third link 354 with two ends respectively hinged to the first link and the second link; the motor is electrically connected with the controller. The first connecting rod, the second connecting rod and the third connecting rod form a three-connecting-rod transmission mechanism, and the second connecting rod is driven to swing back and forth through the rotation of the first connecting rod, so that a rotating shaft fixedly connected with the second connecting rod rotates back and forth.

Further, as shown in fig. 2, the upper beam 32 is sleeved at the upper end of the rotating shaft 31 and is connected by a key; the lower beam 33 is sleeved at the lower end of the rotating shaft through a bearing; the cross bar 34 is sleeved on the rotating shaft through an angular contact bearing. The upper beam and the rotating shaft can be conveniently disassembled and assembled by adopting key connection, and in fact, the upper beam and the rotating shaft can be connected by adopting bolts, welding or other fixed connection modes; in order to prevent the lower beam from rotating along with the rotating shaft, the lower beam can be directly hinged on the underframe 1 or can be fixedly connected on a fixing frame 355 (the fixing frame is hinged with the underframe, and a motor can be fixed on the fixing frame); the cross bars are connected with the rotating shaft by adopting angular contact bearings, because the angular contact bearings can bear axial force. Preferably, a second limiting member (not shown) may be disposed above and below the cross bar to prevent the cross bar from sliding up and down on the rotating shaft, where the second limiting member may be a clip, a hose clamp or other protruding member capable of being fixed on the surface of the rotating shaft.

In this embodiment, referring to fig. 2 and 6, the upper beam 32, the lower beam 33 and the cross bar 34 are provided with pads 38 for installing cushions, so as to increase the stress area and prevent the cushions from sinking backwards.

Preferably, as shown in fig. 2, the chair back support 3 further includes a headrest 39 disposed above the upper beam 32, and the headrest is sleeved on the rotating shaft 31 and can rotate synchronously with the rotating shaft. Specifically, a keyed connection, a bolted connection, a welded connection, or other fixed connection method may be employed.

Specifically, as shown in fig. 1 and 4, the first driving mechanism 5 includes a first driving rod 51 hinged to the leg support 2, a second driving rod 52 rigidly connected to the chair back support, a third driving rod 53 with two ends hinged to the first driving rod and the second driving rod respectively, and an electric telescopic rod 54 with one end hinged to the middle part of the second driving rod and the other end hinged to the chassis 1; the electric telescopic rod is electrically connected with the controller. When the electric telescopic rod is contracted, the chair back support is inclined backwards, and the leg support is lifted upwards; when the electric telescopic rod is extended, the chair back support is retracted forwards, and the leg support is retracted downwards. The chair back bracket and the leg bracket can be adjusted to a more comfortable position by the controller. Preferably, the angle adjustment range of the chair back support and the vertical direction is 95-135 degrees, and the comfort is good in the angle range.

In order to improve stability, the first driving rod 51 and the third driving rod 53 are symmetrically arranged, one end of the two third driving rods 53 close to the chair back bracket 3 is connected with a cross rod 531, and the second driving rod 52 is pivotally connected with the cross rod 531, as shown in fig. 4. The two first driving rods are symmetrically supported on the leg support, so that the hinge positions of the first driving rods, the underframe and the leg support are only subjected to shearing force and are not subjected to torque, the hinge positions are prevented from being damaged due to the fact that the hinge positions are subjected to torque, and the service life is prolonged.

Further, as shown in fig. 1 and 5, the health care chair further comprises two armrests 7 connected with the chair back bracket 3; each armrest includes a connection post 71 connected to the back support 3, an armrest frame 72 for receiving an arm, and an armrest link 73 for connecting the connection post and the armrest frame. In this embodiment, two square tubes 321 (see fig. 2 and 6) are respectively disposed at two ends of the upper beam 32, and the shape of the connection post 71 is adapted to the hole of the square tube 321, and the connection post is inserted into the square tube.

Preferably, the armrest link 73 is connected to the armrest frame 72 via a first angle adjuster 74; the armrest connecting rod 73 is connected with the connecting column 71 through a second angle adjuster 75; the controller 6 is provided on the armrest frame 72. Through the first and second angle adjusters, a user can adjust the height and angle of the armrest frame 72 as desired to increase comfort; the controller is provided on the armrest frame 72 to facilitate control by the customer.

In order to facilitate the movement, the lower end of the underframe 1 is provided with a plurality of universal wheels 8 with a self-locking function, as shown in figures 1 and 3, when the chair moves in place, the universal wheels can be locked for use.

In summary, the present invention provides a health care chair, including a chassis, a leg support hinged at the front end of the top of the chassis, a back support hinged at the rear end of the top of the chassis, a cushion disposed on the chassis, the leg support, and the back support, a first driving mechanism for driving the leg support and the back support to rotate, and a controller; the chair back support can be driven by a motor to twist back and forth, and the twisting angle from top to bottom is linearly reduced, so that the chair back support is suitable for the rotation condition of the spine when the upper body of a human body rotates. Can effectively relax waist, strengthen intestinal peristalsis and improve gastrointestinal tract function, and simultaneously can not cause excessive rotation of vertebrae to bring additional burden. In addition, the chair back support is provided with the armrests with adjustable heights and angles, so that the comfort level is improved; the universal wheel with the self-locking function is arranged at the lower end of the underframe, so that the movable and fixed chassis is convenient.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.

Claims

1. The health-care chair is characterized by comprising a bottom frame, a leg support hinged to the front end of the top of the bottom frame, a chair back support hinged to the rear end of the top of the bottom frame, a cushion arranged on the bottom frame, the leg support and the chair back support, a first driving mechanism for driving the leg support and the chair back support to rotate, and a controller; the chair back support comprises a rotating shaft, an upper beam, a lower beam and a plurality of transverse bars, wherein the upper beam is arranged at the upper end of the rotating shaft and synchronously rotates with the rotating shaft, the lower beam is arranged at the lower end of the rotating shaft and does not rotate along with the rotating shaft, the transverse bars are rotatably sleeved on the rotating shaft and positioned between the upper beam and the lower beam, and the second driving mechanism is used for driving the rotating shaft to reciprocally rotate; the two ends of the upper beam, the lower beam and the cross bar are respectively provided with a joint bearing, and the joint bearings at the same end are inserted with a transmission rod; the first driving mechanism and the second driving mechanism are electrically connected with the controller; the health chair is also provided with a filler and a coating layer coated on the surface of the chair.

2. The chair according to claim 1, wherein the second driving mechanism comprises a motor arranged below the side of the rotating shaft, a first connecting rod vertically fixedly connected to an output shaft of the motor, a second connecting rod vertically fixedly connected to the rotating shaft, and a third connecting rod with two ends respectively hinged with the first connecting rod and the second connecting rod; the motor is electrically connected with the controller.

3. The health chair according to claim 1, wherein the upper beam is sleeved at the upper end of the rotating shaft and is connected by a key; the lower beam is sleeved at the lower end of the rotating shaft through a bearing; the transverse bar is sleeved on the rotating shaft through an angular contact bearing.

4. The chair according to claim 1, wherein the upper beam, the lower beam and the cross bar are provided with pads for mounting cushions.

5. The chair according to claim 1, wherein the back support further comprises a headrest disposed above the upper beam, the headrest being disposed around the rotating shaft and being rotatable in synchronization with the rotating shaft.

6. The chair according to claim 1, wherein the first driving mechanism comprises a first driving rod hinged with the leg support, a second driving rod rigidly connected with the chair back support, a third driving rod hinged with the first driving rod and the second driving rod at two ends respectively, and an electric telescopic rod with one end hinged with the middle part of the second driving rod and the other end hinged with the underframe; the electric telescopic rod is electrically connected with the controller.

7. The chair according to claim 6, wherein the first driving rod and the third driving rod are symmetrically arranged, one end of each of the two third driving rods, which is close to the chair back support, is connected with a cross rod, and the second driving rod is pivotally connected with the cross rod.

8. The chair according to claim 1, further comprising two armrests coupled to the back support; each armrest comprises a connecting column connected with the chair back support, an armrest frame used for placing the arms and an armrest connecting rod used for connecting the connecting column and the armrest frame.

9. The chair of claim 8, wherein the arm link is connected to the arm rest via a first angle adjuster; the handrail connecting rod is connected with the connecting column through a second angle adjuster; the controller is arranged on the armrest frame.

10. The chair according to any one of claims 1-9, wherein the lower end of the chassis is provided with a plurality of universal wheels with self-locking function.