TWM672337U - Rhythmic movement stretch chair - Google Patents

Abstract

The rhythmic stretching chair of this invention comprises: a base, a slide rail is provided on each side, a swing seat, and a slide rail connected to the slide rail, so that the swing seat can move relative to the base. A driving motor is provided on the base and connected to a reduction wheel set, and the reduction wheel set has an output shaft, and the output shaft is connected to an eccentric wheel, and the eccentric wheel is connected to a connecting rod, and the connecting rod is pivoted to the swing seat, and can push the swing seat to move, and the swing seat is provided with a stretching chair structure.

Description

Rhythm Stretch Chair

This creation is related to equipment for relieving stress and stretching the body, specifically a rhythmic stretching chair.

There are many types of chairs or reclining chairs on the market that can help users stretch their bodies, such as the products disclosed in domestic patents M659817, M576453 or M259523. In order to maintain the stability of their structure when stretched, these products must have a very stable base that can be placed on a flat surface. The base is stable and will not move to ensure the stability of the mechanisms on the base during operation. However, this also limits the use scenarios and other usage possibilities of this type of product.

The main purpose of this creation is to provide a rhythmic stretching chair that can be rhythmically operated and can relieve stress and stretch.

To achieve the above main purpose, the rhythmic stretching chair of the invention comprises: a base, two opposite sides of the base are respectively provided with a long side rod, the opposite outer sides of the two long side rods are respectively provided with a slide rail, and two legs are provided below each long side rod. A first driving motor is provided on the base. A reduction wheel set is provided on the base, connected to the first driving motor, and can be driven by the first driving motor. The reduction wheel set has an output shaft, an eccentric wheel is provided on the output shaft, and the eccentric wheel is connected to a connecting rod. A swing seat includes: two side rods, which are arranged on the opposite outer sides of the two long side rods of the base, and at least one slide seat is arranged on the opposite inner side of each side rod, and the slide seat is sleeved on the slide rail of the corresponding side, so that the two side rods can move relative to the long side rod along the long axis of the slide rail, and the swing seat is provided with a pivot part, and one end of the connecting rod is pivoted to the pivot part. A cushion bracket is arranged on the two side rods, and the cushion bracket includes a plurality of longitudinal pillars and a cushion frame. A back support frame and a foot support frame are respectively pivoted on the cushion bracket and can swing relative to the cushion bracket. A second driving motor is disposed on the swing seat, the second driving motor is connected to a first telescopic rod, and the first telescopic rod can push the backboard support frame to swing. A third driving motor is disposed on the swing seat, the third driving motor is linked to a second telescopic rod, and the second telescopic rod pivot can push the foot support frame to swing.

According to the above structure, the swing seat of the creative rhythmic stretching chair is combined with the base through the cooperation of the two slide rails and the slide seat, and the four legs of the base can make the swing seat completely suspended and not in contact with the ground. In this way, the seat support, back support, foot support, second drive motor and third drive motor structures arranged on the swing seat can swing with the swing seat and still maintain their original swing and stretching functions.

10: Base

11: Long sidebar

12: Support rod

13: Slide rail

14: Foot column

20: First drive motor

30: Speed reduction wheel set

31:Output shaft

32: Eccentric wheel

40: Connecting rod

50: Swinging seat

51: Sidebar

52: Sliding seat

53: Support rod

54: Joint

60: Seat cushion bracket

61: Vertical support

62: Seat frame

70: Back panel support frame

80: Foot support frame

90: Second drive motor

91: First telescopic rod

92: Raise arms

93: Swing arms down

100: Third drive motor

101: Second telescopic rod

102: Forward arm swing

103: Back swing arm

Figure 1 is a schematic diagram of the three-dimensional combination of this creation.

Figure 2 is a partial three-dimensional decomposition diagram of this creation.

Figure 3 is a three-dimensional diagram of the base in this creation.

Figure 4 is a top view of the base in this creation.

Figure 5 is a side view of this creation.

Figure 6 is a cross-sectional view taken along line 6-6 in Figure 5.

Figure 7 is a cross-sectional view along the 7-7 line in Figure 5.

Figure 8 is similar to Figure 7, showing the operating state of the eccentric wheel and the connecting rod.

Figure 9 is a side view of this creation, showing the state of the back support frame in action.

Figure 10 is another side view of this creation, showing the movement of the foot support frame.

The applicant first explains that throughout the entire specification, including the embodiments described below and the claims of the patent application, the terms related to direction are based on the directions in the drawings for auxiliary explanation and are not limited to this. Secondly, in the embodiments and drawings to be introduced below, the same component numbers represent the same or similar components or their structural features. The up, down, left, and right directions in the text are based on the directions in the drawings for explanation but are not limited to this.

Please refer to Figures 1 to 10, which are the structures of the creative rhythmic stretching chair. The creative rhythmic stretching chair includes: A base 10, including: two long side rods 11, which are arranged on opposite sides of the base 10, and a plurality of support rods 12 are arranged between the two long side rods 11. In this embodiment, two support rods 12 are arranged, so that the two long side rods and the two support rods are combined to form the base 10 and the two long side rods are arranged in parallel with each other. The opposite outer sides of the two long side rods are each provided with a slide rail 13, and two foot columns 14 are arranged below each long side rod. The number of support rods 12 between the two long side rods 11 is not limited to two, and may be one or three, which may be determined by the size and strength requirements of the overall structure of the base 10.

A first driving motor 20 is disposed on one of the supporting rods 12 of the base.

A reduction wheel set 30 is arranged on another support rod 12 of the base. In this embodiment, the reduction wheel set 30 is a plurality of rollers of different sizes connected by a belt to achieve the purpose of deceleration, but it is not limited to this. It can also be a planetary reduction gear or a harmonic reduction gear or other reduction devices with the same effect. The reduction wheel set 30 is connected to the first drive motor 20 and can be driven by the first drive motor 20. The reduction wheel set has an output shaft 31, and an eccentric wheel 32 is arranged on the output shaft.

A connecting rod 40, one end of which is pivotally connected to the eccentric wheel 32.

A swing seat 50 includes: two side rods 51, which are arranged on the opposite outer sides of the two long side rods 11 of the base, and at least one slide seat 52 is arranged on the opposite inner side of each side rod 51. The slide seat 52 is sleeved on the slide rail 13 on the corresponding side, so that the two side rods 51 can move relative to the long side rod 11 along the long axis of the slide rail 13. A plurality of supporting rods 53 are provided between the two side rods 51 to connect the two side rods. The supporting rods 53 pass between the two long side rods 11 from below the base. One of the supporting rods 53 is provided with at least one pivoting portion 54. One end of the connecting rod 40 is pivoted to the pivoting portion 54. In this embodiment, each side rod 51 is provided with three slide seats 52, but it is not limited thereto and can also be provided as a long slide seat or other forms. In order to make the operation more stable, an eccentric wheel is provided at each end of the output shaft of the reduction wheel set, each eccentric wheel is connected to a connecting rod, and each connecting rod is pivoted to a pivot part, and the pivot part is provided on a supporting rod.

A cushion support 60 is disposed on the two side rods 51. The cushion support 60 includes four longitudinal pillars 61 and a cushion frame 62. The cushion frame 62 is used to place the cushion. The four longitudinal pillars 61 are disposed in groups of two or two on the two side rods 51. The cushion frame 62 is disposed on the four longitudinal pillars 61 and supported by the four longitudinal pillars.

A backboard support frame 70 is pivoted on the seat cushion support 60 and can swing relative to the seat cushion support 60.

A foot support frame 80 is pivotally mounted on the seat support 60 and can be placed relative to the seat support 60.

A second drive motor 90 is provided on a support rod 53 of the swing seat 50. The second drive motor 90 is connected to a first telescopic rod 91. The first telescopic rod 91 is pivoted to two swing arms, namely an upper swing arm 92 and a lower swing arm 93. One end of the lower swing arm 93 is pivoted to the first telescopic rod 91, and the other end is pivoted to a support rod 53. One end of the upper swing arm 92 is pivoted to the first telescopic rod 91, and the other end is pivoted to the back plate support frame 70. The second drive motor 90 can drive the first telescopic rod 91 to extend and retract, and the actuation of the first telescopic rod 91 can drive the upper swing arm 92 and the lower swing arm 93 to swing the back support frame 70 relative to the cushion frame 62, so that the back support frame 70 can be tilted from an upright sitting position to a reclining position.

A third drive motor 100 is provided on a support rod 53 of the swing seat 50. The third drive motor 100 links a second telescopic rod 101. The second telescopic rod 101 is pivoted to a front swing arm 102 and a rear swing arm 103. One end of the rear swing arm 103 is pivoted to the second telescopic rod 101, and the other end is pivoted to the seat support 60. One end of the front swing arm 102 is pivoted to the second telescopic rod 101, and the other end is pivoted to the foot support frame 80. The third driving motor 100 can drive the second telescopic rod 101 to extend and retract, and the movement of the second telescopic rod 101 can drive the front swing arm 102 and the rear swing arm 103 to move, so that the foot support frame 80 can swing relative to the seat cushion frame 62, so that the foot support frame 80 can be raised or lowered to change its tilt angle.

For the convenience of explanation, this work removes some of the longitudinal pillars of the seat support in Figures 9 and 10, so that the diagrams can be clearer and not be obscured by the longitudinal pillars.

With the structure of the invention, when in use, the rotational power of the first drive motor 20 is transmitted to the eccentric wheel 32 on the output shaft 31 through the reduction wheel set 30, and the eccentric wheel 32 drives the connecting rod 40, which is pivoted to the pivot part 54 of the swing seat 50, so that the connecting rod 40 pushes the swing seat 50 to generate reciprocating movement.

In this invention, the swing seat 50 is combined with the base 10 by the cooperation of the two slide rails 13 and the slide seat 52, and the four legs 14 of the base can make the swing seat 50 completely suspended and not in contact with the ground. In this way, the cushion bracket 60, the back support bracket 70, the foot support bracket 80, the second drive motor 90 and the third drive motor 100 arranged on the swing seat 50 can swing along with the swing seat 50, so that the purpose of rhythm and stretching can be achieved.

11: Long sidebar

14: Foot column

40: Connecting rod

51: Sidebar

52: Sliding seat

54: Joint

60: Seat cushion bracket

61: Vertical support

62: Seat frame

70: Back panel support frame

80: Foot support frame

90: Second drive motor

92: Raise arms

Claims (9)

A rhythmic stretching chair comprises: a base, comprising two long side rods, each of which has a slide rail on its opposite outer side, and two foot columns under each long side rod; a first drive motor, disposed on the base; a reduction wheel set, disposed on the base, connected to the first drive motor, and driven by the first drive motor, the reduction wheel set having an output shaft, and an eccentric wheel disposed on the output shaft; a connecting rod, one end of which is pivotally connected to the eccentric wheel. The center wheel; a swing seat, including: two side rods, arranged on the opposite outer sides of the two long side rods of the base, and at least one slide seat is arranged on the opposite inner side of each side rod, and the slide seat is sleeved on the slide rail of the corresponding side, so that the two side rods can move along the long axis of the slide rail relative to the long side rod, and the swing seat is provided with a pivot part, and one end of the connecting rod is pivoted to the pivot part; a cushion bracket, which is on the two side rods, and the cushion bracket includes a plurality of longitudinal pillars to and a cushion frame; a back support frame pivotally mounted on the cushion support and capable of swinging relative to the cushion support; a foot support frame pivotally mounted on the cushion support and capable of swinging relative to the cushion support; a second drive motor disposed on the swing seat, the second drive motor connected to a first telescopic rod, the first telescopic rod pivotally mounted on an upper swing arm and a lower swing arm, one end of the lower swing arm pivotally mounted on the first telescopic rod, and the other end pivotally mounted on the swing seat, One end of the upper swing arm is pivoted to the first telescopic rod, and the other end is pivoted to the backboard support frame; a third drive motor is arranged on the swing seat, and the third drive motor links a second telescopic rod, the second telescopic rod is pivoted to a front swing arm and a rear swing arm, one end of the rear swing arm is pivoted to the second telescopic rod, and the other end is pivoted to the seat support, one end of the front swing arm is pivoted to the second telescopic rod, and the other end is pivoted to the foot support frame. As described in claim 1, a plurality of support rods are arranged between the two long side rods, and the first drive motor is arranged on one of the support rods of the base. A rhythmic stretching chair as described in claim 2, wherein the reduction wheel assembly is disposed on one of the rods of the base. As described in claim 3, a plurality of supporting rods are provided between the two side rods to connect the two side rods, and the supporting rods pass through the two long side rods from below the two long side rods of the base. As described in claim 4, the second driving motor is disposed on one of the supporting rods of the swing seat. As described in claim 5, the third driving motor is disposed on one of the supporting rods of the swing seat. As described in claim 1, a plurality of supporting rods are provided between the two side rods to connect the two side rods, and the supporting rods pass between the two long side rods from below the two long side rods of the base. As described in claim 7, the second driving motor is disposed on one of the supporting rods of the swing seat. As described in claim 8, the third driving motor is disposed on one of the supporting rods of the swing seat.

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