TWM648575U - Sitting and lying angle adjustment mechanism of rehabilitation medical chair - Google Patents

Abstract

A mechanism for adjusting the sitting and lying angles of a rehabilitation medical chair, which is mainly composed of the bottom of a main frame The top and two sides are respectively provided with a plurality of rotating caster devices and an openable armrest side panel. The main frame body is combined with a telescopic damping driver, a frame component, a chair back frame component, and a legrest frame between the two armrest side panels. assembly, a lifting mechanism assembly, and a foot step frame assembly, wherein the front and rear sides of the seat frame assembly are connected to the legrest frame assembly and the chair back frame assembly respectively, and the telescopic damping driver is connected to drive the chair back frame assembly Different swing angles are generated between the seat frame assembly and the leg rest frame assembly, and the lifting mechanism assembly is connected to drive the seat frame assembly to rise or fall, and the foot pedal frame assembly is arranged at the bottom of the main frame body and can The front side of the main frame is moved horizontally; thereby, when the user uses the rehabilitation medical chair, the user can adjust the sitting and lying posture of the upper body, as well as the angle and height of the leg rest.

Description

Rehabilitation medical chair sitting and lying angle adjustment mechanism

This invention relates to a rehabilitation medical chair, in particular a chair specially used for rehabilitation medical purposes, and uses a plurality of linked components to achieve the effect of adjusting the angle of sitting and lying down.

Press, as shown in the new patent certificate numbers M268016 and M355703 of the Republic of China, they are related to the angle adjustment structures of chairs specially used for medical purposes. They are probably composed of a chair frame body with a frame, and the front and rear sections of the seat frame. A footrest frame and a chair back frame are pivoted respectively, and the back of the chair back frame is protruding with at least one rod pivoted to one end of the chair back connecting rod, and the other end of the chair back connecting rod is pivoted with a chair frame. The support rod protruding from the rod is pivotally connected, and the rotating rod of the chair frame is provided with a branching rod that is pivoted to one end of the footrest connecting rod, and the other end of the footrest connecting rod is pivoted to the protruding rod on the back of the footrest frame. Then, each of the above-mentioned frames is covered with a cushion body. In addition, one end of a buffer member is pivotally connected to the fixed position of the chair frame main body, and the other end is pivotally connected to the protruding ear of the chair frame rotating rod. However, the author believes that the structure of the above-mentioned medical chair is too simple, the unit price is low, and the profit is not good, and hopes to escape the low-price competition and develop and produce higher-end advanced, safe, sturdy, high unit price, and high-profit rehabilitation products. Medical chairs; use this to promote sales to more modern, sophisticated and high-end medical institutions and increase sales turnover.

In view of this, the creator has many years of experience in manufacturing, development and design of related products. After careful design and careful evaluation of the above goals, we finally achieved a truly practical creation.

In view of the shortcomings of traditional medical chairs such as too simple structure, low unit price, and poor profits.

This invention provides a mechanism for adjusting the sitting and lying angles of a rehabilitation medical chair, which includes: a main frame body, which is placed on the ground and has two parallel corresponding side frames, and a lift is fixed at the middle section of the inner side of the two side frames. The guide plate is equipped with a rotating caster device at its front and rear ends respectively. A main rotating rod is pivotally connected between the two side frames, and a first fixed base frame and a second fixed base frame are fixedly connected, wherein the lift The guide plate is provided with a first long sectional groove and a second long sectional groove. One end of the first swing rod is radially pivoted on the main rotating rod, and the other end of each first swing rod is axially pivoted. There is a first fixed rod at one end, and the other end of the first fixed rod is simultaneously fixed with one end of a second fixed rod and pivoted with one end of a second swing rod; a telescopic damping driver is pivoted with one end to the second fixed chassis. , and the other end is pivotally connected to and drives the main rotating rod to rotate; a frame assembly has two parallel frames, and the middle position of each frame is simultaneously pivotally connected to the other end of the second swing rod of the main frame body and a The front end of the first driven rod, the rear section of the first driven rod is pivotally connected to one end of a third swing rod, the other end of the third swing rod is pivotally connected to the inside of the lifting guide plate, and the rear section of each seat frame is pivotally connected There is a first linking piece at one end, and the other end of the first linking piece is pivotally connected to the second linking piece. The other end of the second linking piece is pivotally connected to the outside of the lifting guide plate; a chair back frame assembly is pivotally connected to The rear side of the seat frame component swings, and produces different swing angles with the seat frame component. This is mainly due to the fact that one end of the two connecting parts is respectively pivoted behind the seat frame. end, the other end of each connecting piece is pivotally connected to one end of a fourth swing rod, the other end of the fourth swinging rod is pivotally connected to the rear end of each first driven rod of the seat frame assembly, and the top ends of each connecting piece are upward respectively. A back frame is fixedly connected; a leg rest component is pivotally connected to the front side of the seat frame component and swings, and produces different swing angles with the seat frame component. It is mainly connected by two first swing parts respectively. The front end of each seat frame, the other end of the second fixed rod of the main frame body and one end of a follower, and one end of a second swing member, the other end of the second swing member is pivotally connected to the other end of the follower; a The lifting mechanism assembly is mainly composed of one end of a first outer swing rod and one end of a second outer swing rod respectively pivotally connected to the outer upper edge and outer lower edge of each lifting guide plate. The other end of the first outer swing rod A linking member is pivotally connected to the middle position. The front end of the linking member is pivotally connected to the second swing rod of the main frame. The rear end of the linking member is pivotally connected to the other end of the second outer swinging link. At the same time, the linking member is pivotally connected to the seat. The first linkage of the frame assembly, in addition, the middle position of the first outer swing rod and the lower edge of the lifting guide plate are respectively connected to two ends of a spring, and two guide posts are protruding from the inside of the second outer swing rod, and The two guide posts are moved in the first elongated slot and the second elongated slot respectively; a foot pedal component is provided at the bottom of the main frame body and can move out of the main frame body in the horizontal direction The front side; the two armrest side panels are respectively provided on the left and right sides of the main frame body, and one end thereof is pivotally connected to the side frame of the main frame body, so that the armrest side panels can pivot outward horizontally and laterally; 2. The side plate positioning device is installed on each side frame and controls the positioning of each handrail side plate to close the left and right sides of the main frame; the two caster positioning devices are respectively installed on the two ends of the first fixed base and are located on each side. Below the side frame, the rotation of the rotating caster device of each side frame is controlled in a coordinated manner.

The functions of this creation are: (1) The electric telescopic damping actuator is used to integrate the action adjustment method, which can be controlled and adjusted to sit up, lie down, and rise and fall according to the user's needs, achieving the effect of rapid adjustment and providing Ease of use. (2) The side panel of the armrest can be pivoted horizontally and laterally outward, allowing the user to easily leave from the side of the rehabilitation medical chair, and the side panel positioning device is used to position the side panel of the armrest to prevent the side panel of the armrest from swinging laterally at will. , so as to achieve the safety of use. (3) The storage panel can be folded upward from the side panel of the armrest and placed on it to achieve convenience and practicality. (4) When the caster positioning device is stepped on, the four sets of rotating caster devices 12 can be controlled to rotate or not rotate synchronously, thereby achieving practicality and safety. (5) The foot stepping frame assembly can be moved and pulled out from the front side of the rehabilitation medical chair for the user's feet to step on, thereby increasing the added value of the rehabilitation medical chair.

[This creation]

1: Seat cushion

2: Back cushion

3: First leg cushion

4:Second leg cushion

10: Main frame

101:Side stand

11: Lifting guide plate

5: The first long slot

6: The second long slot

12: Rotating caster device

13:Main rotating lever

131:Shu Er

14: First fixed chassis

15:Second fixed chassis

16:First swing rod

161:First synchronization connecting rod

17:First fixed rod

18:Second fixed rod

181:Second synchronization connecting rod

19:Second swing rod

20:Telescopic damping driver

21:Telescopic rod

22: Motor device

30:Seat frame assembly

31:Seat frame

32:First driven rod

33:Third swing rod

34: First linkage

35: Second linkage

36:Third synchronization connecting rod

40: Chair back frame assembly

41: Connector

42:Fourth swing rod

43: Back frame

44:Fourth synchronization connecting rod

45:Support plate

50:Leg rest assembly

51: First swing piece

52:Follower

53:Second swing member

60:Lifting mechanism components

61: First outside swing rod

62:Second outside swing rod

63: Linking parts

64:Spring

65:Guide post

70: Foot pedal assembly

71:Pedal

72:Chassis

73: Slider

74:Hollow casing

75: turning wheel

80: Armrest side panel

81: Storage board

82: Positioning parts

83: Positioning hole

84:Hinge device

90: Side plate positioning device

91:Control panel

92: Hollow slide tube

93: Positioning pin

100: Caster positioning device

110:Swing pedal

111:Control crossbar

112:Fifth swing rod

113:Second driven rod

114: Rocker

115:Third driven rod

116:Fourth driven rod

117: Linking rod

Picture 1 is a three-dimensional combination of this creation.

Picture 2 is the skeleton combination of this creation (sitting position).

Picture 3 is the skeleton combination of this creation (lying position).

Picture 4 is the skeleton assembly diagram of this creation (excluding armrests and side panels).

Figure 5 is another perspective view of Figure 4.

Figure 6 is a three-dimensional assembly diagram of the seat frame assembly, legrest frame assembly, and chair back frame assembly of this creation.

Figure 7 is an exploded three-dimensional view of Figure 6.

Figure 8 is the outside view (sitting position) of the seat frame assembly, legrest frame assembly, and chair back frame assembly of this creation.

Figure 9 is the inner view (sitting position) of the seat frame assembly, legrest frame assembly, and chair back frame assembly of this creation.

Figure 10 is an inside view of the unfolded leg rest assembly of this creation.

Figure 11 is an outside view of the unfolded leg rest assembly of this invention.

Figure 12 is an upward view of the seat frame assembly, legrest frame assembly, and chair back frame assembly of this creation (lying position).

Figure 13 is an upward view of the seat frame assembly, legrest frame assembly, and chair back frame assembly of this creation (in a lying position).

Figure 14 is a three-dimensional assembled view of the components of the foot pedal frame of this creation.

Figure 15 is a three-dimensional exploded view of the components of the foot pedal frame of this creation.

Figure 16 is a reference diagram of this creation unfolding the storage board and armrest side panels.

Figure 17 is a partial enlarged three-dimensional combination view of the side panel positioning device of this invention.

Figure 18 is a partially enlarged three-dimensional exploded view of the side panel positioning device of this invention.

Figure 19 is a schematic diagram of the three-dimensional assembly of the caster positioning device of this invention.

Picture 20 is a three-dimensional combination of this creation (lying position).

In order to enable the review committee to have a further understanding and understanding of the purpose, characteristics and functions of this creation, please use the [Simple Description of the Drawing] to enumerate the embodiments, and the detailed description is as follows: First, as in Nos. 1 to 13, As shown in Figure 20, this invention is a sitting and lying angle adjustment mechanism of a rehabilitation medical chair, including: a main frame body 10, which is placed on the ground and has two parallel corresponding side frames 101. The two side frames 101 There is a lifting guide plate 11 fixed at the inner middle position, and a rotating caster device 12 is provided at the front and rear ends thereof. A main rotating rod 13 is pivotally connected between the two side frames 101, and a first fixed base frame 14 is fixedly connected to the A second fixed base 15, in which the lifting guide plate 11 is cross-sectioned with a first elongated slot 5 and a second elongated slot 6, and the main rotating rod 13 is radially fixed with two first elongated slots 5 and 6. Pivot ears 131. The other end of each first pivot ear 131 is pivotally connected to one end of a first swing rod 16. The other end of each first swing rod 16 is axially connected to one end of a first fixed rod 17. The first fixed rod 17 The other end is simultaneously fixed to one end of a second fixed rod 18 and pivotally connected to one end of a second swing rod 19. In addition, the two first swing rods 16 are jointly fixed to a first synchronous connecting rod 161, and the two second swing rods 16 are fixed to each other. The fixed rods 18 are jointly fixed with a second synchronous connecting rod 181; a telescopic damping driver 20 at least includes a telescopic telescopic rod 21 that is combined with each other and a motor device 22 that can drive the telescopic rod 21 to telescope. The motor device 22 is pivotally connected to the second fixed base 15, and one end of the telescopic rod 21 is pivotally connected to drive the main rotating rod 13 to rotate; a frame assembly 30 has two parallel base frames 31, each of which The middle position of the frame 31 is pivotally connected to the other end of the second swing rod 19 of the main frame body 10 and the front end of a first driven rod 32. The rear position of the first driven rod 32 is pivotally connected to one end of a third swing rod 33. The other end of the third swing rod 33 is pivotally connected to the inside of the lifting guide plate 11 , and one end of the first linking member 34 is pivotally connected to the rear section of each base frame 31 , and the other end of the first linking member 34 is pivotally connected to a second linking member 34 . One end of the linking member 35 and the other end of the second linking member 35 are pivotally connected to the outside of the lifting guide plate 11. In addition, a third synchronous connecting rod 36 is fixedly connected to the two first driven rods 32, and, The two seat frames 31 are jointly fixed with a seat cushion 1; a chair back frame component 40 is pivotally connected to the rear side of the seat frame component 30 to swing, and generates different swing angles with the seat frame component 30. , which is mainly composed of one end of two connecting parts 41 being pivotally connected to the rear end of each seat frame 31, and the other end of each connecting part 41 being pivotally connected to one end of a fourth swing rod 42. The fourth swing rod 42 The other end is pivotally connected to the rear end of each first driven rod 32 of the seat frame assembly 30, and the top of each connecting member 41 is fixed upward to a back frame 43. In addition, the tops of the two connecting members 41 are jointly mounted with a back frame 43. The support plate 45 and the two fourth swing rods 42 are jointly fixed with a fourth synchronous connecting rod 44, and the two back frames 43 are jointly fixed with a back cushion 2; a leg rest assembly 50 is The pivot is connected to the front side of the seat frame 30 to swing, and produces different swing angles with the seat frame assembly 30. This is mainly due to the two first swing members 51 respectively pivotally connecting the front ends of the seat frames 31 and the main body. The other end of the second fixed rod 18 of the frame 10 is connected to one end of a follower 52 and one end of a second swing member 53. The other end of the second swing member 53 is pivotally connected to the other end of the follower 52. In addition, the two A first leg cushion 3 is fixed together on one side of the first swinging member 51, and a second leg cushion 4 is jointly fixed on one side of the two follower members 52; a lifting mechanism assembly 60, which is mainly composed of a first leg cushion 3. One end of an outer swing rod 61 and a second end of a second outer swing rod 62 are respectively pivotally connected to the outer upper edge and outer lower edge of each lifting guide plate 11 , and the other end of the first outer swing rod 61 is pivotally connected to a linking member 63 At the middle position, the front end of the linking member 63 is pivotally connected to the second swing rod 19 of the main frame 10 , and the rear end of the linking member 63 is pivotally connected to the other end of the second outer swing link 62 . At the same time, the linking member 63 is pivotally connected to the second swing rod 19 of the main frame 10 . The first linkage 34 of the seat frame assembly 30, in addition, the middle position of the first outer swing rod 61 and the lower edge of the lifting guide plate 11 are respectively connected to two ends of a spring 64, and the second outer swing rod 62 is protruding on the inside. There are two guide posts 65, and the two guide posts 65 are moved in the first elongated slot 5 and the second elongated slot 6 respectively; a foot stepping frame assembly 70 is provided on the main frame body 10 bottom, and can move horizontally out of the front side of the main frame 10, wherein the foot pedal frame assembly 70 includes a pedal 71, a bottom frame 72, at least one sliding rod 73, and at least one pair of the sliding rods 73 There are a plurality of rotating wheels 75 at the bottom of the hollow sleeve 74. The rotating wheels 75 and a bottom frame 72 are provided at the bottom of the pedal 71. One side of the bottom frame 72 is fixedly connected to the sliding rod. 73, and the hollow sleeve 74 is fixed to the first fixed base 14, and is used for the sliding rod 73 to pass through and slide forward and backward; the two armrest side plates 80 are respectively provided on the left and right sides of the main frame 10 Two sides, and one end thereof is pivotally connected to the side frame 101 of the main frame 10 through a hinge device 84, so that the armrest side plate 80 can pivot outward horizontally. In addition, the armrest side plate 80 is pivoted on the outside. There is a storage plate 81, so that the storage plate 81 can be folded downward and parallel to the armrest side plate 80, or can be folded upward and perpendicular to the armrest side plate 80, and the inner side of the armrest side plate 80 is provided with a positioning member 82. The positioning member 82 has a positioning hole 83; the two side plate positioning devices 90 are provided on each side frame 101, and control the positioning of each armrest side plate 80 to close the left and right sides of the main frame body 10, wherein the side plates are positioned The device 90 at least includes a control panel 91, a hollow slide tube 92, and a positioning pin 93 that are combined with each other. The positioning pin 93 is set inside the hollow slide tube 92, and the control panel 91 is connected to the positioning pin 93. And control the upward and downward movement of the positioning pin 93, so that the positioning pin 93 moves upward and is inserted into the positioning hole 83 on the armrest side plate 80; the two caster positioning devices 100 are respectively provided at both ends of the first fixed base 14. Located below each side frame 101, a linkage rod 117 is connected between the two caster positioning devices 100, thereby synchronously controlling the rotation of the rotating caster devices 12 of the two side frames 101. The caster positioning device 100 is mainly composed of a The swing pedal 110 is axially connected to one end of a control crossbar 111, and the other end of the control crossbar 111 is fixed to one end of a fifth swing rod 112, and the other end of the fifth swing rod 112 is pivotally connected to one end of a second driven rod 113. The other end of the second driven rod 113 is pivoted to a predetermined position of a rocking rod 114. The two ends of the rocking rod 114 are each pivoted to one end of a third driven rod 115. The other end of the third driven rod 115 is pivoted to a fourth One end of the driven rod 116 and the other end of each fourth driven rod 116 respectively control the rotation of the rotating caster device 12 at the front and rear ends of the side frame 101 .

Based on the above structure and composition design, the usage of each main component of this creation is explained as follows:

(1) First, regarding the linkage method between the telescopic damping driver 20, the seat frame assembly 30, the seat back frame assembly 40, and the legrest frame assembly 50:

1. As shown in Figures 8, 9, and 20, when the user is sitting or standing, it is in a normal state. There is a gap between the seat frame assembly 30 (seat cushion 1) and the chair back frame assembly 40 (back cushion 2). , the seat frame assembly 30 (seat cushion 1) and the first swing member 51 (first leg cushion 3) of the leg rest assembly 50 are in a vertical angle state, and the follower 52 of the leg rest assembly 50 (The second leg cushion 4) is folded inward to the bottom of the seat cushion 1.

2. As shown in Figures 10, 11, and 20, when the user lies flat, the telescopic rod 21 of the telescopic damping driver 20 drives the main rotating rod 13 to rotate and drives the first swing rod 16 to push forward. The second fixed rod 18 (at the same time, the second swing rod 19 swings and moves the seat frame assembly 30 (seat cushion 1) backward), so that the first swing member 51 (first leg cushion 3) and the driven member 52 (The second leg cushion 4) rotates upward until the second fixed rod 18 and the second swing member 53 are in a straight line with each other, and then the first swing member 51 (the first leg cushion 3) and the follower are fully unfolded. 52 (2nd leg cushion 4).

3. Subsequently, as shown in Figures 12, 13, and 20, the telescopic rod 21 continues to drive the main rotating rod 13 to rotate, and the pivot ear 131 continues to push the first swing rod 16 upward, and makes the seat frame assembly 30 (seat cushion 1) and leg rest assembly 50 (first leg cushion 3, second leg cushion 4) rise simultaneously; at the same time, the first outer swing rod 61 and the second outer swing rod 62 correspond to the lifting guide plate 11 Swing, and make the guide posts 65 of the second outer swing rod 62 move upward along the first elongated slot 5 and the second elongated slot 6. At the same time, the seat frame assembly 30 (seat cushion 1 ) rises, the connector 41 pivotally connected to the rear end of the seat frame 31 can swing backward, allowing the chair back frame assembly 40 (back cushion 2) to tilt further backward, allowing the back cushion 2, seat cushion 1, and The one leg cushion 3 and the second leg cushion 4 exhibit an integrated adjustment action as Lying flat.

3. Therefore, when the seat frame assembly 30 (seat cushion 1) needs to be lowered or even returned to the sitting position, as long as the telescopic rod 21 of the telescopic damping driver 20 is used to reversely drive the main rotating rod 13 to rotate in the reverse direction, And the above-mentioned components are linked to move in the opposite direction.

(2) Regarding the use of the armrest side panels 80: As shown in Figures 16 to 18, since there is a hinge device 84 pivotally connected between each armrest side panel 80 and the side frame 101 of the main frame body 10, the armrest side panels 80 can be opened horizontally and laterally. In addition, when the armrest side panel 80 is closed, the control panel 91 of the side panel positioning device 90 can be stepped on to control the positioning pin 93 inside the hollow slide tube 92 to move upward and insert into the positioning hole 83 of the positioning member 82 inside the armrest side panel 80 Then, the armrest side plate 80 can be positioned to prevent the armrest side plate 80 from swinging laterally at will.

(3) Regarding the use of the caster positioning device 100:

1. First of all, as shown in Figure 19, we would like to remind you that there are many ways to achieve the actual detailed structure of each fourth driven rod 116 to control each rotating caster device 12, which is not the appeal of this invention. The key point in creating this component is the continuous interlocking state between the parts in the caster positioning device 100 .

2. When the swing pedal 110 is depressed, the control crossbar 111 rotates and sequentially links the fifth swing lever 112, the second driven lever 113, and the rocking lever 114. The rocking lever 114 then rotates accordingly. After the third driven rod 115 and the fourth driven rod 116 at the two ends are sequentially linked, the fourth driven rod 116 is used to control and lock each rotating caster device 12 without rotating; when the swing pedal 110 is stepped on again , the rotating caster device 12 can be controlled to be released and can rotate freely.

3. Finally, the two caster positioning devices 100 are synchronously linked through the linkage rod 117, and can simultaneously control the rotation of four sets of the rotating caster devices 12.

(4) Regarding the use of the foot pedal frame assembly 70: As shown in Figures 14 and 15, you can hold the pedal 71 and pull it outward, so that the two slide rods 73 can synchronize and move through the hollow sleeves. 74 slides out; at the same time, with the plurality of rotating wheels 75, the pedal 71 can be moved and pulled out of the front side of the rehabilitation medical chair more smoothly; conversely, when the foot pedal frame assembly is not needed, it can be held in hand And push the pedal 71 inwards to the bottom of the main frame 10 .

Through the structure of the above specific embodiment, the following benefits can be obtained:

(1) The rehabilitation medical chair of this invention can be controlled and adjusted according to the user's needs to sit and stand, lie flat, and rise and fall after lying flat, that is,

1. When the user is sitting or standing, it is a normal state. Between the seat frame assembly 30 (seat cushion 1) and the chair back frame assembly 40 (back cushion 2), the seat frame assembly 30 (seat cushion 1) It is at a vertical angle to the first swinging member 51 (first leg cushion 3) of the legrest assembly 50, and the follower 52 (second legrest 4) is folded inwards to the seat frame assembly 30 ( Under the seat cushion 1).

2. When the user is lying flat, the chair back frame assembly 40 (back cushion 2) tilts backward, and the first swing member 51 (first leg cushion 3) of the leg rest frame assembly 50 and the follower member 52 (the second leg cushion 4) is unfolded toward the front side of the rehabilitation medical chair, so that the back cushion 2, the seat cushion 1, the first leg cushion 3, and the second leg cushion 4 are adjusted in an integrated manner to lie flat. .

In this way, this invention uses the electric telescopic damping actuator 20 to integrate the actuation adjustment method to achieve the effect of rapid adjustment and provide effective convenience of use.

(2) The armrest side panel 80 can pivot outward and horizontally, allowing the user to conveniently leave the side of the rehabilitation medical chair. In addition, when the armrest side panel 80 is closed, the side panel positioning device 90 can be used to position the armrest side panel 80 . The armrest side plate 80 prevents the armrest side plate 80 from swinging laterally randomly, so as to achieve the purpose of using the armrest side plate 80. Armrest side panels 80 for security.

(3) The armrest side panels 80 on both sides of the rehabilitation medical chair can be folded upward to fold out the storage panel 81 to place items; when the user does not need to use the storage panel 81, the armrest side panels 80 can be folded downward. To achieve convenience and practicality.

(4) Stepping on the caster positioning device 100 can synchronously control four sets of rotating caster devices 12 from rotating. Stepping on the caster positioning device 100 again can synchronously release the rotating caster devices 12 so that the rotating caster devices 12 can rotate freely. At the same time, no matter when the caster positioning device 100 on either side of the rehabilitation medical chair is stepped on, four sets of rotating caster devices 12 can be controlled synchronously to achieve practicality and safety.

(5) When the user uses the rehabilitation medical chair, the foot stepping frame assembly 70 can be moved and pulled out from the front side of the rehabilitation medical chair for the user's feet to step on, thereby improving the strength of the rehabilitation medical chair. Added value makes users feel at home.

To sum up, this invention can effectively solve the deficiencies of conventional inventions, and can be easily understood and easily implemented by those with ordinary knowledge in the technical field. However, the above is only one of the preferred embodiments of this invention. It should not be used to limit the scope of implementation of this invention; that is, all equivalent changes and modifications made based on the patentable scope of this invention should still be within the scope of this invention's patent.

101:Side stand

11: Lifting guide plate

12: Rotating caster device

161:First synchronization connecting rod

181:Second synchronization connecting rod

30:Seat frame assembly

31:Seat frame

40: Chair back frame assembly

43: Back frame

45:Support plate

51: First swing piece

70: Foot pedal assembly

71:Pedal

73: Slider

75: turning wheel

80: Armrest side panel

90: Side plate positioning device

100: Caster positioning device

110:Swing pedal

Claims (18)

A mechanism for adjusting the sitting and lying angles of a rehabilitation medical chair, which includes: a main frame body, which is placed on the ground and has two parallel corresponding side frames; a lifting guide plate is fixed at the inner middle section of the two side frames, and Each of its front and rear ends is provided with a rotating caster device. A main rotating rod is pivotally connected between the two side frames, and a first fixed base frame and a second fixed base frame are fixedly connected. The lifting guide plate is sectioned There is a first elongated slot and a second elongated slot. One end of two first swing rods is radially connected to the main rotating rod, and the other end of each first swing rod is axially connected to a first fixed rod. One end, the other end of the first fixed rod is simultaneously fixed to one end of a second fixed rod and pivotally connected to one end of a second swing rod; a telescopic damping driver is pivotally connected to the second fixed chassis with one end, and the other end is Pivot-connected and driven to rotate the main rotating rod; a frame assembly has two parallel frames, the middle position of each frame is simultaneously pivotally connected to the other end of the second swing rod of the main frame body and a first driven rod At the front end, the rear section of the first driven rod is pivotally connected to one end of a third swing rod, the other end of the third swing rod is pivotally connected to the inside of the lifting guide plate, and the rear section of each seat frame is pivotally connected to a first linking member One end, the other end of the first linkage is pivotally connected to one end of the second linkage, and the other end of the second linkage is pivotally connected to the outside of the lifting guide plate; a chair back frame component is pivotally connected behind the seat frame component It swings sideways and produces different swing angles with the seat frame assembly. This is mainly due to the fact that one end of the two connecting members is respectively pivotally connected to the rear end of each seat frame, and the other end of each connecting member is pivotally connected to a fourth swing rod. One end, the other end of the fourth swing rod is pivotally connected to the rear end of each first driven rod of the seat frame assembly, and the top end of each connecting piece is fixed upward to a back frame; a leg rest assembly is a pivot joint The front side of the seat frame component swings and produces different swing angles with the seat frame component. This is mainly due to the two first swing members respectively pivotally connecting the front ends of the seat frames and the second fixation of the main frame body. The other end of the rod is connected to one end of a follower and a second swinging member. The other end of the second swinging member is pivotally connected to the other end of the follower; a lifting mechanism component is mainly composed of one end of a first outer swinging rod and one end of a second outer swinging rod respectively pivoted to each of the lifting guides. The outer upper edge and outer lower edge of the position board, the other end of the first outer swing rod is pivotally connected to the middle position of a linkage member, the front end of the linkage member is pivotally connected to the second swing link of the main frame, and the rear end of the linkage member is pivotally connected. Connect the other end of the second outer swing rod, and at the same time, the linkage member is pivotally connected to the first linkage member of the seat frame assembly. In addition, the middle position of the first outer swing link and the lower edge of the lifting guide plate are respectively connected with a spring and two springs. end, and two guide posts are protruding from the inner side of the second outer swing rod, and the two guide posts are moved in the first elongated slot and the second elongated slot respectively; a foot stepping frame assembly, It is installed at the bottom of the main frame and can be moved horizontally out of the front side of the main frame; the two armrest side panels are respectively installed on the left and right sides of the main frame, and one end thereof is pivotally connected to the main frame. On the side frame, the armrest side panel can pivot outward horizontally and laterally; two side panel positioning devices are provided on each side frame, and control the positioning of each armrest side panel to close the left and right sides of the main frame; 2. The caster positioning devices are respectively provided at two ends of the first fixed chassis and located below each side frame, and control the rotation of the rotating caster device of each side frame in conjunction. According to the sitting and lying angle adjustment mechanism of a rehabilitation medical chair described in item 1 of the patent application, the main rotating rod is radially fixed with two first pivot ears, and the other end of each first pivot ear is pivotally connected. Each has one end of the first swing rod. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a first synchronous connecting rod is fixedly connected between the two first swing rods. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a second synchronous connecting rod is jointly fixed between the two second fixed rods. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, the telescopic damping driver at least includes a telescopic rod that is combined with each other and a motor that can drive and telescope the telescopic rod. device, the motor device is pivotally connected to the second fixed chassis, and one end of the telescopic rod is pivotally connected to the main rotating rod. According to the sitting and lying angle adjustment mechanism of a rehabilitation medical chair described in item 1 of the patent application, a third synchronous connecting rod is fixedly connected to the two first driven rods. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a fourth synchronous connecting rod is fixedly connected between the two fourth swing rods. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a support plate is jointly mounted on the top of the two connecting parts. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, the foot pedal frame assembly includes a pedal, a bottom frame, at least one sliding rod, and at least one pair of the sliding rods. The bottom of the hollow casing and a plurality of rotating wheels are provided at the bottom of the pedal. The rotating wheel and a chassis are provided. One side of the chassis is fixed to the sliding rod, and the hollow casing is fixed to the first fixed chassis, and The sliding rod is used to pass through and slide forward and backward. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, one end of each armrest side panel is pivotally connected to each side frame through a hinge device. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a storage plate is pivotally provided on the outside of the armrest side panel so that the storage panel can be folded downward and parallel to the armrest side panel. Or it can be folded upward and perpendicular to the armrest side panel. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a positioning member is provided on the inner side of the armrest side panel, the positioning member has a positioning hole, and the side panel positioning device is at least It includes a control panel, a hollow slide tube, and a positioning pin that are combined with each other. The positioning pin is set inside the hollow slide tube. The control panel is connected to the positioning pin and Control the upward and downward movement of the positioning pin to move the positioning pin upward and insert it into the positioning hole on the side panel of the handrail. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application scope, the caster positioning device is mainly composed of a swing pedal axially fixed to one end of a control crossbar, and the other end of the control crossbar One end of a fifth swing rod is fixedly connected, the other end of the fifth swing rod is pivoted to one end of a second driven rod, the other end of the second driven rod is pivoted to a predetermined position of a rocking rod, and the two ends of the rocking rod are pivoted One end of the third driven rod is connected to one end, and the other end of the third driven rod is pivotally connected to one end of the fourth driven rod. The other end of each fourth driven rod is a rotating caster device that controls the front and rear ends of each side frame respectively. of rotation. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a linkage rod is connected between the two caster positioning devices to synchronize and control the rotation of the rotating caster devices of the two side frames. . According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, two of the seat frames are jointly fixed with a cushion. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, two back frames are jointly fixed with a back cushion. According to the sitting and lying angle adjustment mechanism of the rehabilitation medical chair described in item 1 of the patent application, a first leg cushion is fixed together on one side of the two first swing members. According to the sitting and lying angle adjustment mechanism of a rehabilitation medical chair described in item 1 of the patent application, a second leg cushion is fixed on one side of the two followers.

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