Ankle stretching massager with compact structure and massage chair

Abstract

The invention discloses an ankle stretching massager with a compact structure. The ankle stretching massager comprises a mounting frame; the foot supporting frame is arranged to be capable of turning over up and down relative to the mounting frame so as to stretch the ankle of the user supported on the foot supporting frame; the stretching driving mechanism is used for driving the foot supporting frame to turn over and move up and down; wherein the stretching driving mechanism comprises a motor, a rotating shaft in transmission connection with the motor, and a linkage assembly; wherein the foot supporting frame is arranged to turn over up and down by taking the rotating shaft as a rotating center; the linkage assembly is located between the rotating shaft and the foot supporting frame and converts rotating force of the rotating shaft into overturning driving force enabling the foot supporting frame to overturn up and down around the rotating shaft. According to the ankle stretching massager, the rotating shaft serves as the rotating center of the foot supporting frame and also serves as a transmission structure for driving the linkage assembly to move, and the whole structure of the ankle stretching massager is compact. The invention further provides a massage chair.

Description

Technical Field

[0001] The invention relates to massage equipment technology, in particular to an ankle stretching massager and a massage chair with a compact structure. Background Art

[0002] Patent application CN201821729908.6 discloses a massage chair ankle stretching mechanism, which is pushed by a push rod to stretch and squeeze the entire foot, thereby achieving the effect of massaging and stretching the entire foot. How to make the structure of the ankle stretching mechanism more compact is one of the optimization directions of the ankle stretching mechanism. In view of this, an application is specially filed. Summary of the invention

[0003] The technical problem to be solved by the present invention is how to make the structure of the ankle stretching massager more compact.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a compact ankle stretching massager, comprising: a mounting frame; a foot support bracket, which is configured to be able to flip up and down relative to the mounting frame to stretch the user's ankle supported thereon; a stretching drive mechanism, driving the foot support bracket to flip up and down; wherein the stretching drive mechanism comprises a motor, a rotating shaft connected to the motor, and a linkage assembly; wherein the foot support bracket is configured to flip up and down with the rotating shaft as the rotation center; wherein the linkage assembly is located between the rotating shaft and the foot support bracket, and converts the rotational force of the rotating shaft into a flipping drive force that causes the foot support bracket to flip up and down around the rotating shaft.

[0005] Preferably, the linkage assembly includes: an eccentric wheel, which is sleeved on the rotating shaft and rotates therewith; a yaw sleeve, which is sleeved on the eccentric wheel; and a swing link, whose first end is pivotally connected to the yaw sleeve and whose second end is pivotally connected to the foot support bracket.

[0006] Preferably, the linkage assembly further comprises an auxiliary link, a first end of which is pivotally connected to the yaw sleeve and a second end of which is pivotally connected to the mounting frame; the rotation axis of the first end of the auxiliary link and the rotation axis of the first end of the swing link coincide with each other.

[0007] Preferably, a foot massage mechanism is installed on the foot support bracket, and the foot massage mechanism includes a foot massage wheel, and the foot massage wheel is sleeved on the rotating shaft and rotates therewith.

[0008] Preferably, the ankle stretching massager comprises two foot supports, namely a left foot support and a right foot support; the left side of the rotating shaft is connected to the left foot support via a linkage assembly, and the right side is connected to the right foot support via another linkage assembly.

[0009] Preferably, the ankle stretching massager comprises two foot support brackets, namely a left foot support bracket and a right foot support bracket; the left side of the rotating shaft is connected to the left foot support bracket through one linkage assembly, and the right side is connected to the right foot support bracket through another linkage assembly; the eccentric wheels of the linkage assemblies on both sides of the rotating shaft are sleeved on the rotating shaft in opposite assembly orientations, so that the left foot support bracket and the right foot support bracket swing up and down alternately.

[0010] Preferably, the motor is arranged between the left foot support frame and the right foot support frame along the left-right direction.

[0011] Preferably, the foot support bracket is provided with a massage airbag for massaging the user's instep and fixing the foot.

[0012] Preferably, the mounting frame is configured to be able to slide relative to the fixing frame along the leg length direction.

[0013] The present application further provides a massage chair, comprising a seat and an ankle stretching massager installed on the front side of the seat, wherein the ankle stretching massager is the ankle stretching massager described in any of the above items.

[0014] Due to the adoption of the above technical solution, the present invention has the following beneficial effects: 1. The ankle stretching massager of the present application has a rotating shaft that serves as both the rotation center of the foot support bracket and the transmission structure that drives the linkage assembly to move, which makes the overall structure of the ankle stretching massager more compact; 2. The foot massage wheel is sleeved on the shaft and rotates with it. The shaft also drives the foot massage wheel to rotate, which makes the overall structure of the ankle stretching massager more compact; 3. The left foot support frame and the right foot support frame are connected to the same rotating shaft through linkage components, and the overall structure is relatively compact and the cost is low; 4. The left foot bracket and the right foot bracket are respectively provided with massage airbags to massage the user's instep and fix the foot, which helps to improve the ankle stretching effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0016] Figure 1 A schematic diagram of an ankle stretching massager according to an embodiment is depicted; Figure 2 A schematic diagram showing a foot massage device of an ankle stretching massager according to an embodiment after the foot massage device moves relative to the leg massage device along the length of the leg; Figure 3 and Figure 4Schematic diagrams of the left and right foot massage devices of an ankle stretching massager of an embodiment being alternately flipped at different viewing angles are respectively depicted; Figures 5 to 7 The schematic diagrams of the ankle stretching massager according to one embodiment are respectively shown from different viewing angles, with the housing on the foot support frame omitted; Figure 8 and Fig. 9 The first exploded view of the ankle stretching massager according to one embodiment is shown in different viewing angles, with the housing on the foot support frame omitted; Fig.10 A first exploded view of a mounting frame, a foot support frame, and a stretching drive mechanism of an ankle stretching massager according to an embodiment is shown; Fig.11 A second exploded view of a mounting frame, a foot support frame, and a stretching drive mechanism of an ankle stretching massager according to an embodiment is depicted; Fig.12 A schematic diagram of a mounting frame, a foot support frame and a stretching drive mechanism of an ankle stretching massager according to an embodiment is depicted; Fig.13 A schematic diagram of a foot massage mechanism and a rotating shaft is depicted; Fig.14 An exploded view of the foot massage mechanism and the rotating shaft is shown.

[0017] Reference numerals: Fixed frame 1, mounting frame 2, roller 2A, slider 2B, sliding drive mechanism 3, left foot support frame 4, right foot support frame 5, left foot support frame 4, right foot support frame 5, stretching drive mechanism 6, foot massage mechanism 7. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. The components of the embodiments of the present invention described and shown in the accompanying drawings can be arranged and designed in various configurations. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments can be combined with each other.

[0020] Combination Figures 1 to 4 In one embodiment, the ankle stretching massager of the present application comprises a leg massage device P1 and a foot massage device P2. The leg massage device P1 has a leg support shell, which is generally in the shape of a mountain and is used to support the user's legs. The foot massage device P2 comprises a left foot massage device P21 and a right foot massage device P22. Figure 2As shown, the left foot massage device P21 and the right foot massage device P22 can slide relative to the leg massage device P1 along the leg length direction as a whole. Figure 3 and Figure 4 , the left foot massage device P21 and the right foot massage device P22 can be flipped up and down respectively, so as to stretch and massage the user's left ankle and right ankle, and promote blood circulation in the feet. The ankle stretching massager of the present application can be installed on the front side of the seat of the massage chair, and is configured to be able to flip relative to the front side of the seat of the massage chair to massage the user's lower limbs, but it should be understood that the ankle stretching massager of the present application can also be used as an independent massager, which can be designed to be installed on a bed, such as a hospital bed, to massage the patient's feet. The specific structure that can be adopted by the ankle stretching massager will be detailed below in conjunction with the illustrations.

[0021] Combination Figures 5 to 12 The ankle stretching massager of the present application comprises a fixed frame 1, a mounting frame 2 and a sliding drive mechanism 3, a leg massage device P1 is mounted on the fixed frame 1, a foot massage device P2 is mounted on the mounting frame 2, the mounting frame 2 is configured to be able to slide relative to the fixed frame 1 along the leg length direction, and the sliding drive mechanism 3 is arranged between the fixed frame 1 and the mounting frame 2 to drive the mounting frame 2 to slide.

[0022] The fixing frame 1 has slide slots 1A on both sides and pivot ears on the upper side, through which the leg massage device P1 is pivotally connected to the seat of the massage chair. The leg massage device P1 is installed on the front side of the fixing frame 1. In another embodiment, the leg massage device P1 may not be provided.

[0023] The left and right sides of the mounting frame 2 are provided with rollers 2A and sliders 2B. Fig. 9 The roller 2A and the slider 2B are arranged in the slide groove 1A, so that the mounting frame 2 and the fixing frame 1 can slide together, so that the mounting frame 2 can move in the direction of the leg length to meet the needs of users with different leg lengths. In another embodiment, only the roller 2A or only the slider 2B can be provided. The foot massage device P2 is installed on the mounting frame 2.

[0024] The sliding drive mechanism 3 includes a sliding drive motor 3A, a screw rod 3B, and a nut 3C. Fig. 9 The sliding drive motor 3A is installed on the mounting frame 2, the screw rod 3B extends along the leg length direction and is driven by the sliding drive motor 3A to rotate, the nut member 3C is installed on the fixed frame 1 and sleeved on the screw rod 3B. When the screw rod 3B rotates forward or reversely, the nut member 3C moves upward or downward relative to the screw rod 3B, so that the mounting frame 2 slides relative to the fixed frame 1. The sliding drive mechanism 3 can also be further provided with a sliding position detection mechanism for detecting the sliding position of the mounting frame 2 relative to the fixed frame 1, which is, for example, a photoelectric position detection mechanism. The sliding drive mechanism 3 can also be adjusted to a telescopic push rod.

[0025] Combination Figures 10 to 12 The foot massage device P2 comprises a left foot support frame 4, a right foot support frame 5, a stretching drive mechanism 6 and a foot massage mechanism 7. Fig.10 The X direction is from right to left, the Y direction is from front to back, and the Z direction is from bottom to top. The stretching drive mechanism 6 drives the left foot support frame 4 and the right foot support frame 5 to flip up and down to stretch the user's left foot and right ankle supported by the left foot support frame 4 and the right foot support frame 5. The stretching drive mechanism 6 includes a motor 6A, a rotating shaft 6B connected to the motor 6A, a left linkage component 6C and a right linkage component 6D. The motor 6A is arranged between the left foot support frame 4 and the right foot support frame 5 along the left-right direction, and is arranged on the mounting frame 2 through the motor support seat 2C.

[0026] The left foot support frame 4 is configured to be able to flip up and down relative to the mounting frame 2 to stretch the user's left ankle supported thereon. The right foot support frame 5 is configured to be able to flip up and down relative to the mounting frame 2 to stretch the user's right ankle supported thereon. Fig.10 , the left and right sides of the mounting frame 2 have a first pivoting portion M11 extending forward, and the left foot support bracket 4 and the right foot support bracket 5 have an outer pivoting portion M12 on the outer side along the left and right directions, and the first pivoting portion M11 corresponds to the outer pivoting portion M12. The left and right sides of the motor support seat 2C have a second pivoting portion M21, and the left foot support bracket 4 and the right foot support bracket 5 have an inner pivoting portion M22 on the inner side along the left and right directions, and the second pivoting portion M21 corresponds to the inner pivoting portion M22. The rotating shaft 6B is arranged on the left and right sides, and the rotating shaft 6B passes through the first pivoting portion M11, the outer pivoting portion M12, the second pivoting portion M21 and the inner pivoting portion M22. In the above manner, the left foot support bracket 4 and the right foot support bracket 5 are arranged to turn up and down with the rotating shaft 6B as the rotation center to stretch the user's ankle supported thereon. The rotating shaft 6B can be connected to the motor 6A through a worm gear structure.

[0027] The left side of the rotating shaft 6B is connected to the left foot support frame 4 through the left linkage assembly 6C, and the right side is connected to the right foot support frame 5 through the right linkage assembly 6D. The linkage assembly provided between the rotating shaft 6B and the foot support frame can convert the rotation force of the rotating shaft 6B into a turning driving force that causes the foot support frame to turn upside down around the rotating shaft 6B. Specifically, in combination with Fig.10 In this embodiment, the left linkage assembly 6C and the right linkage assembly 6D both include an eccentric wheel K1, a yaw sleeve K2, a swing link K3 and an auxiliary link K4. The eccentric wheel K1 is sleeved on the rotating shaft 6B and rotates therewith. The yaw sleeve K2 is sleeved on the eccentric wheel K1. The first end of the swing link K3 is pivoted to the yaw sleeve K2, and the second end is pivoted to the foot support bracket. The first end of the auxiliary link K4 is pivoted to the yaw sleeve K2, and the second end is pivoted to the mounting frame 2. Fig.10The rotation axis of the first end of the auxiliary link K4 and the rotation axis of the first end of the swing link K3 coincide with each other. The first end of the swing link K3 is not directly pivoted to the yaw sleeve K2, but the first end of the auxiliary link K4 is clamped between the swing link K3 and the yaw sleeve K2. Fig.10 In the two partially enlarged parts, in this embodiment, the eccentric wheels K1 of the linkage components on both sides of the rotating shaft 6B are sleeved on the rotating shaft 6B in opposite assembly orientations. This assembly method allows the left foot support bracket 4 and the right foot support bracket 5 to swing up and down alternately when the rotating shaft 6B rotates, thereby alternately stretching the user's ankles.

[0028] The left foot support frame 4 and the right foot support frame 5 are provided with a foot massage mechanism 7. Fig.13 and Fig.14 The foot massage mechanism 7 includes a first foot massage wheel 7A, a second foot massage wheel 7B, a foot scraping member 7C and a limit seat 7D. The first foot massage wheel 7A and the second foot massage wheel 7B are sleeved on the rotating shaft 6B and rotate therewith. The first foot massage wheel 7A and the second foot massage wheel 7B are engaged along the axial direction of the rotating shaft 6B. The foot scraping member 7C includes a sleeve connection portion T1 and a scraping portion T2. ​​The sleeve connection portion T1 is clamped between the first foot massage wheel 7A and the second foot massage wheel 7B. The first foot massage wheel 7A has an eccentric joint portion Q. The sleeve connection portion T1 is sleeved on the eccentric joint portion Q. The scraping portion T2 is slidably matched with the limit seat 7D (a sliding pin is provided on the scraping portion T2, and a sliding groove is provided on the limit seat 7D, and the two are slidably matched). When the rotating shaft 6B rotates, the eccentric joint part Q drives the sleeve part T1 to move forward and backward. When the sleeve part T1 moves forward and backward, it drives the scraping part T2 to slide forward and backward relative to the limiting seat 7D, thereby achieving scraping massage of the sole of the foot.

[0029] A detection mechanism (not shown in the figure, which may be a rotary photoelectric detection mechanism) for detecting the rotation speed of the rotating shaft 6B may also be provided between the rotating shaft 6B and the mounting frame 2. The detection mechanism detects the rotation speed of the rotating shaft 6B, and the control mechanism (not shown in the figure) of the ankle stretching massager may determine the upper and lower swinging positions of the left foot support frame 4 and the right foot support frame 5 in combination with the number of rotations of the rotating shaft 6B.

[0030] Combination Figure 1 The left foot support frame 4 and the right foot support frame 5 may also be provided with massage airbags (not shown) for massaging the user's instep and fixing the foot, and the massage airbags are installed on the upper shell covering the left foot support frame 4 and the right foot support frame 5.

[0031] The above is a lower limb massager of one embodiment of the present application. It should be understood that the present application may also have other variant designs. In another embodiment, only one foot support bracket may be provided. In another embodiment, the eccentric wheels K1 of the linkage components on both sides of the rotating shaft 6B may be sleeved on the rotating shaft 6B in the same assembly orientation. In another embodiment, the linkage components may be adjusted to other transmission structures, such as a gear or arc-shaped rack transmission structure, the gear is sleeved on the rotating shaft 6B and rotates therewith, and the arc-shaped rack is installed on the foot support bracket. In another embodiment, the sliding drive mechanism 3 may be replaced by a telescopic spring, that is, the position of the movable frame is adjusted by the force of the user's foot. In another embodiment, the fixed frame 1 and the sliding drive mechanism 3 may not be provided, that is, the mounting frame 2 may be directly pivoted to the front side of the seat of the massage chair.

[0032] The present application further provides a massage chair, comprising a seat, and an ankle stretching massager installed on the front side of the seat, wherein the ankle stretching massager is the aforementioned lower limb massager.

[0033] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A compact ankle stretching massager comprising: Mounting frame (2); A foot support frame, which is configured to be able to flip up and down relative to the mounting frame (2) to stretch the ankle of the user supported thereon; A stretching drive mechanism (6) drives the foot support bracket to flip up and down; It is characterized in that in, The stretching drive mechanism (6) comprises a motor (6A), a rotating shaft (6B) drivingly connected to the motor (6A), and linkage components (6C, 6D); Wherein, the foot support bracket is configured to turn upside down with the rotating shaft (6B) as the rotation center; The linkage assembly is located between the rotating shaft (6B) and the foot support bracket, and converts the rotational force of the rotating shaft (6B) into a turning driving force that causes the foot support bracket to turn upside down around the rotating shaft (6B).

2. The ankle stretching massager according to claim 1, characterized in that: The linkage assembly (6C, 6D) comprises: An eccentric wheel (K1) is sleeved on the rotating shaft (6B) and rotates therewith; A yaw sleeve (K2) sleeved on the eccentric wheel (K1); The first end of the swing link (K3) is pivotally connected to the swing sleeve (K2), and the second end is pivotally connected to the foot support bracket.

3. The ankle stretching massager according to claim 2, characterized in that: The linkage assembly (6C, 6D) further comprises an auxiliary connecting rod (K4), a first end of which is pivotally connected to the yaw sleeve (K2), and a second end of which is pivotally connected to the mounting frame (2); the rotation axis of the first end of the auxiliary connecting rod (K4) and the rotation axis of the first end of the swing connecting rod (K3) coincide with each other.

4. The ankle stretching massager according to claim 1, characterized in that: A foot massage mechanism (7) is installed on the foot support bracket, and the foot massage mechanism (7) comprises a foot massage wheel, which is sleeved on the rotating shaft (6B) and rotates therewith.

5. The ankle stretching massager according to claim 1, characterized in that: The ankle stretching massager comprises two foot support frames, namely a left foot support frame (4) and a right foot support frame (5); the left side of the rotating shaft (6B) is connected to the left foot support frame (4) through a linkage component, and the right side is connected to the right foot support frame (5) through another linkage component.

6. The ankle stretching massager according to claim 2, characterized in that: The ankle stretching massager comprises two foot support brackets, namely a left foot support bracket (4) and a right foot support bracket (5); the left side of the rotating shaft (6B) is connected to the left foot support bracket (4) through a linkage assembly, and the right side is connected to the right foot support bracket (5) through another linkage assembly; the eccentric wheels (K1) of the linkage assemblies on both sides of the rotating shaft (6B) are sleeved on the rotating shaft (6B) in opposite assembly directions, so that the left foot support bracket (4) and the right foot support bracket (5) swing up and down alternately.

7. The ankle stretching massager according to claim 5 or 6, characterized in that: The motor (6A) is arranged between the left foot support frame (4) and the right foot support frame (5) along the left-right direction.

8. The ankle stretching massager according to claim 1, characterized in that: The foot support bracket is provided with a massage airbag for massaging the user's instep and fixing the foot.

9. The ankle stretching massager according to claim 1, characterized in that: The mounting frame (2) is configured to be able to slide relative to the fixing frame (1) along the direction of the leg length.

10. A massage chair comprising a seat, an ankle stretching massager mounted on the front side of the seat, characterized in that: The ankle stretching massager is a compact ankle stretching massager as claimed in any one of claims 1 to 9.

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