Massage machine

Abstract

The invention provides a chair-type massage machine capable of performing effective stretching treatment. The chair-type massage machine is provided with: a seat part for supporting the buttocks and thighs of a person to be treated; the backrest part is used for supporting the shoulders, the waist and the back of the treated person and can be inclined; and a first moving part that moves the rear end of the seat part upward.

Description

[0001] This invention is a divisional application of the invention patent with the application number 202110078310.5. The filing date of the parent case is January 20, 2021, and the invention name of the parent case is "Chair-type massage machine". Technical Field

[0002] This invention relates to a massage machine. Background Art

[0003] Generally, a chair-type massage machine performs kneading treatment and percussion treatment on a person to be treated. In addition, a chair-type massage machine has been developed that performs not only kneading treatment and percussion treatment but also stretching treatment on a person to be treated (for example, refer to Patent Document 1).

[0004] In the chair-type massage machine disclosed in Patent Document 1, the seat part and the backrest part are tilted in opposite directions to put the body of the person to be treated in a stretched state. In cooperation with this, the massage balls protrude to press the waist of the person to be treated, thereby performing stretching treatment on the person to be treated.

[0005] However, in the chair-type massage machine disclosed in Patent Document 1, even if the seat part and the backrest part are tilted in opposite directions, since the buttocks of the person to be treated sink downward, effective stretching treatment is not performed.

[0006] Prior Art Documents

[0007] Patent Documents

[0008] Patent Document 1: Japanese Unexamined Patent Application Publication No. 2016-165563 Summary of the Invention

[0009] Problems to be Solved by the Invention

[0010] In view of the above circumstances, an object of the present invention is to provide a chair-type massage machine capable of performing effective stretching treatment.

[0011] Means for Solving the Problems

[0012] The chair-type massage machine disclosed in this specification has the following structure (First Structure): The chair-type massage machine includes: a seat part that supports the buttocks and thighs of the person to be treated; a backrest part that supports the shoulders, waist, and back of the person to be treated and is tiltable; and a first moving part that moves the rear end of the seat part upward.

[0013] Based on the chair-type massage machine of the above First Structure, it may also have the following structure (Second Structure): In a state where the backrest part is tilted to the rearmost position, the first moving part moves the rear end of the seat part upward.

[0014] Based on the above-mentioned chair-type massage machine of the second structure, it can also be the following structure (the third structure): The chair-type massage machine includes: a footrest that houses the calf of the subject; and a second moving part that moves the footrest. In a state where the backrest is tilted to the rearmost position, the second moving part moves the footrest so that the calf of the subject descends from the knee of the subject toward the ankle.

[0015] Based on the above-mentioned chair-type massage machine of the second structure, it can also be the following structure (the fourth structure): The chair-type massage machine includes: a footrest that houses the calf of the subject; and a second moving part that moves the footrest. In a state where the backrest is tilted to the rearmost position, the second moving part moves the footrest so that the calf of the subject moves along the horizontal direction.

[0016] Based on the chair-type massage machine of any one of the above-mentioned first to fourth structures, it can also be the following structure (the fifth structure): After the treatment of the subject is completed, the first moving part moves the rear end of the seat upward.

[0017] Based on the chair-type massage machine of any one of the above-mentioned first to fifth structures, it can also be the following structure (the sixth structure): The position of the rotation fulcrum of the backrest in the front-rear direction is the same as the position of the hip point in the front-rear direction.

[0018] Advantages of the Invention

[0019] According to the chair-type massage machine disclosed in this specification, effective stretching treatment can be performed. Brief Description of the Drawings

[0020] Figure 1 It is a schematic perspective view of a chair-type massage machine according to an embodiment.

[0021] Figure 2 It is a block diagram of a control system for controlling the operation of a chair-type massage machine according to an embodiment.

[0022] Figure 3 It is a side view schematically showing the frame etc. of a chair-type massage machine according to an embodiment.

[0023] Figure 4 It is a side view schematically showing the frame etc. of a chair-type massage machine according to an embodiment.

[0024] Figure 5 It is a side view schematically showing the frame etc. of a chair-type massage machine according to an embodiment.

[0025] Figure 6It is a side view schematically showing the frame etc. of a chair-type massage machine according to an embodiment.

[0026] Figure 7 It is a side view schematically showing the frame etc. of a chair-type massage machine according to an embodiment.

[0027] Figure 8 It is a side view schematically showing the frame etc. of a chair-type massage machine according to an embodiment.

[0028] Explanation of reference numerals:

[0029] 1 Chair-type massage machine of an embodiment

[0030] 2 Seat part

[0031] 2A, 2B Frame

[0032] 2C Airbag

[0033] 3 Backrest

[0034] 9 Footrest part

[0035] 18 Actuator for seat part

[0036] 19 Actuator for backrest

[0037] 20 Actuator for footrest part

[0038] F1 Base frame. Detailed implementation mode

[0039] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings.

[0040] Figure 1 It is a front perspective view of a chair-type massage machine 1 (hereinafter referred to as "massage machine 1") according to an embodiment. In the following description, the front side (front side) when observed from a subject seated on the massage machine 1 in a state where the backrest 3 is not reclined is referred to as "front side" or "front", and the back side (rear side) when observed from a subject seated on the massage machine 1 in a state where the backrest 3 is not reclined is referred to as "rear side" or "rear". In addition, the upper side (head side) when observed from a subject seated on the massage machine 1 in a state where the backrest 3 is not reclined is referred to as "upper side" or "above", and the lower side (foot side) when observed from a subject seated on the massage machine 1 in a state where the backrest 3 is not reclined is referred to as "lower side" or "below". In addition, the right side when observed from a subject seated on the massage machine 1 is referred to as "right side" or "right", and the left side when observed from a subject seated on the massage machine 1 is referred to as "left side".

[0041] The massage machine 1 includes a seat part 2, a backrest part 3, side wall parts 4, arm treatment parts 5, an operation part 6, a power cord 7, a bracket 8, and a footrest part 9.

[0042] The seat part 2 supports the buttocks and thighs of the person being treated.

[0043] The backrest part 3 supports the shoulders, waist, and back of the person being treated. The backrest part 3 can be tilted. That is, the backrest part 3 can rotate around an inclination rotation axis extending in the left - right direction. This inclination rotation axis is the rotation fulcrum P1 of the backrest part 3 (refer to Figures 3 to 8 )

[0044] The position of the rotation fulcrum P1 of the backrest part 3 in the front - back direction is the same as the position of the hip point in the front - back direction. Thereby, it is possible to prevent the head of the person being treated from shifting along the length direction of the backrest part 3 when the backrest part 3 is laid down. Note that the hip point refers to the center (design value) of the buttocks of the person being treated.

[0045] The backrest part 3 is internally provided with a massage unit (not shown) and guide rails 3B and 3C. The guide rails 3B and 3C extend along a surface 3A that contacts the shoulders and waist of the person being treated. The massage unit is guided by the guide rails 3B and 3C to move up and down within the backrest part 3.

[0046] The side wall parts 4 are erected on the left and right sides of the seat part 2.

[0047] The arm treatment parts 5 are provided on the left and right sides of the seat part 2 and are supported by the side wall parts 4. The arm treatment parts 5 are internally provided with expandable and contractible air bags, and the air bags support and treat the arms of the person being treated.

[0048] The operation part 6 is an input device for the person being treated to select a treatment mode, adjust the intensity of the treatment, etc. The operation part 6 is connected via the power cord 7 to a control part (not shown in Figure 1 ) provided below the seat part 2. This control part controls each part of the massage machine 1 based on the signal output from the operation part 6.

[0049] The bracket 8 is fixed to the arm treatment part 5 provided on the left side of the seat part 2. The operation part 6 can be detached from and attached to the bracket 8.

[0050] The footrest part 9 accommodates the lower legs of the person being treated.

[0051] Figure 2 It is a block diagram showing a control system for controlling the operation of the massage machine 1.

[0052] The massage machine 1 includes a control unit 10, a storage unit 11, drive circuits 12 to 17, a seat actuator 18, a backrest actuator 19, a footrest actuator 20, a massage unit actuator 21, an air pump 22, and a solenoid valve group 23. The footrest actuator 20 is an example of a second moving unit that moves the footrest 9. That is, the massage machine 1 includes a second moving unit that moves the footrest 9.

[0053] The storage unit 11 stores programs, data, etc. required for the control unit 10 to control the operation of the massage machine 1.

[0054] The control unit 10 controls the operation of the massage machine 1 based on the signal output from the operation unit 6. Specifically, the control unit 10 performs the following control.

[0055] The control unit 10 controls the seat actuator 18 via the drive circuit 12. The control unit 10 controls the backrest actuator 19 via the drive circuit 13. The control unit 10 controls the footrest actuator 20 via the drive circuit 14. The control unit 10 controls the massage unit actuator 21 via the drive circuit 15. It should be noted that the drive circuit 15 and the massage unit actuator 21 are part of the massage unit and are provided inside the massage unit.

[0056] The control unit 10 controls the air pump 22 via the drive circuit 16. The control unit 10 controls the solenoid valve group 23 via the drive circuit 17. The solenoid valve group 23 includes a plurality of solenoid valves. Each solenoid valve is arranged between the air pump 22 and at least one airbag. The solenoid valve is, for example, a diverter type three-way valve. The air pump 22 is connected to the valve on the input side of the solenoid valve through a pipe. One of the valves on the output side of the solenoid valve is connected to at least one airbag through a pipe. The other valve on the output side of the solenoid valve is a valve that can be opened to the atmosphere.

[0057] The above air pump 22 and solenoid valve are an example of an air supply and exhaust unit that performs air supply to and air discharge from the airbag, and the air supply and air discharge can also be stopped.

[0058] Figures 3 to 8 It is a side view schematically showing the frame, etc. of the massage machine 1.

[0059] The actuator 18 for the seat portion includes a rod member 18A, a cylindrical member 18B that houses the rear portion of the rod member 18A, and a seat portion motor (not shown). The front end of the rod member 18A is connected to the vicinity of the front end and the lower end of a frame 2A provided below the seat portion 2 so as to be rotatable in a plane perpendicular to the left-right direction. Here, the vicinity of the front end of the frame 2A refers to a position where the distance from the front end of the frame 2A is shorter than the distance from the rear end of the frame 2A. The rear end of the frame 2A is connected to the upper end and the rear end of a base frame F1 so as to be rotatable in a plane perpendicular to the left-right direction. It should be noted that a frame 2B is provided between the seat portion 2 and the frame 2A. The front end of the frame 2B is connected to the front end of the frame 2A so as to be rotatable in a plane perpendicular to the left-right direction. The rear end of the cylindrical member 18B is connected to the lower end of a base frame F1 that supports the seat portion 2 and the backrest portion 3 so as to be rotatable in a plane perpendicular to the left-right direction.

[0060] The actuator 18 for the seat portion can change the protruding amount of the rod member 18A from the cylindrical member 18B by the rotation of the seat portion motor. When the protruding amount of the rod member 18A from the cylindrical member 18B increases, the front end of the seat portion 2 rotates clockwise when viewed from the left side of the massage machine 1. On the contrary, when the protruding amount of the rod member 18A from the cylindrical member 18B decreases, the front end of the seat portion 2 rotates counterclockwise when viewed from the left side of the massage machine 1. The larger the protruding amount of the rod member 18A from the cylindrical member 18B, the larger the acute angle α formed by the longitudinal direction of the cylindrical member 18B and the front-rear direction when viewed from the left side of the massage machine 1.

[0061] The actuator 19 for the backrest portion includes a rod member 19A, a cylindrical member 19B that houses the front portion of the rod member 19A, and a backrest portion motor (not shown). The rear end of the rod member 19A is connected to the lower end of a frame 3A provided on the backrest portion 3 so as to be rotatable in a plane perpendicular to the left-right direction. The front end of the cylindrical member 19B is connected to the front end of a base frame F1 so as to be rotatable in a plane perpendicular to the left-right direction.

[0062] The actuator 19 for the backrest portion can change the protruding amount of the rod member 19A from the cylindrical member 19B by the rotation of the backrest portion motor. When the protruding amount of the rod member 19A from the cylindrical member 19B increases, the backrest portion 3 rotates counterclockwise when viewed from the left side of the massage machine 1. On the contrary, when the protruding amount of the rod member 19A from the cylindrical member 19B decreases, the backrest portion 3 rotates clockwise when viewed from the left side of the massage machine 1. The larger the protruding amount of the rod member 19A from the cylindrical member 19B, the smaller the acute angle β formed by the longitudinal direction of the cylindrical member 19B and the up-down direction when viewed from the left side of the massage machine 1.

[0063] The actuator 20 for the footrest part includes a rod member 20A, a cylindrical member 20B that houses the rear part of the rod member 20A, and a footrest part motor (not shown). The front end of the rod member 20A abuts against the back surface of the frame 9A provided on the footrest part 9. It should be noted that when observing from the left side of the massage machine 1 in a state where the actuator 20 for the footrest part has stopped, when the footrest part 9 rotates clockwise, the back surface of the footrest part frame 9A moves away from the front end of the rod member 20A. The rear end of the cylindrical member 20B is connected to the base frame F1 that supports the seat part 2 and the backrest part 3 so as to be rotatable in a plane perpendicular to the left-right direction.

[0064] The actuator 20 for the footrest part can change the protruding amount of the rod member 20A from the cylindrical member 20B by the rotation of the footrest part motor. When the protruding amount of the rod member 20A from the cylindrical member 20B increases, when observing from the left side of the massage machine 1, the footrest part 9 rotates clockwise. Conversely, when the protruding amount of the rod member 20A from the cylindrical member 20B decreases, when observing from the left side of the massage machine 1, the footrest part 9 rotates counterclockwise. The larger the protruding amount of the rod member 20A from the cylindrical member 20B, the smaller the acute angle γ formed by the longitudinal direction of the cylindrical member 20B and the up-down direction when observing from the left side of the massage machine 1.

[0065] Figure 3 The initial state of the massage machine 1 is shown. In Figure 3 the state shown, the front end of the seat part 2 is located at the lowest position, the backrest part 3 is erected to the maximum extent, and the footrest part 9 is closest to the front end of the base frame F1 to the maximum extent. In Figure 3 the state shown, within the movable range of the rod member 18A, the protruding amount of the rod member 18A from the cylindrical member 18B is the smallest, within the movable range of the rod member 19A, the protruding amount of the rod member 19A from the cylindrical member 19B is the largest, and within the movable range of the rod member 20A, the protruding amount of the rod member 20A from the cylindrical member 20B is the smallest.

[0066] Figure 4 The state immediately after the power supply of the massage machine 1 is turned on is shown. It should be noted that the power supply can be manually executed by operating the operation part 6, but it can also be automatically executed by always activating a sensor that detects the seating of the subject to be treated and using the seating of the subject to be treated as a trigger. In Figure 4 the state shown, the front end of the seat part 2 is located at a position higher than Figure 3 the state shown, the backrest part 3 is erected to the maximum extent, and the footrest part 9 is farther from the front end of the base frame F1 than Figure 3 the state shown. In Figure 4In the state shown, the protruding amount of the rod member 18A from the cylindrical member 18B is at an intermediate value within the movable range of the rod member 18A, the protruding amount of the rod member 19A from the cylindrical member 19B is at a maximum within the movable range of the rod member 19A, and the protruding amount of the rod member 20A from the cylindrical member 20B is at a first intermediate value within the movable range of the rod member 20A.

[0067] Figures 5 to 7 The state where the backrest 3 of the massager 1 has fallen to the rearmost position (fully tilted state) is shown.

[0068] In Figure 5 and Figure 6 In the state shown, the front end of the seat part 2 is located at a position higher than that in the state shown in Figure 3 The backrest 3 has fallen to the rearmost position, and the footrest 9 is away from the front end of the base frame F1. In Figure 5 and Figure 6 In the state shown, the protruding amount of the rod member 18A from the cylindrical member 18B is at an intermediate value within the movable range of the rod member 18A, the protruding amount of the rod member 19A from the cylindrical member 19B is at a minimum within the movable range of the rod member 19A, and the protruding amount of the rod member 20A from the cylindrical member 20B is at a second intermediate value (> the first intermediate value).

[0069] In Figure 6 In the state shown, the airbag 2C provided between the rear end of the frame 2A and the rear end of the frame 2B expands. Thus, in Figure 6 In the state shown, compared with the state shown in Figures 3 to 5 the rear end of the seat part 2 moves upward. That is, the airbag 2C functions as a moving part that moves the rear end of the seat part 2 upward. Therefore, the massager 1 includes a first moving part that moves the rear end of the seat part 2 upward. In addition, in the state where the backrest 3 has fallen to the rearmost position, the above-mentioned first moving part moves the rear end of the seat part 2 upward.

[0070] In Figure 6 In the state shown, the rear end of the seat part 2 moves upward, thereby being able to suppress the downward sinking of the buttocks of the subject being treated, and thus being able to effectively perform stretching treatment on the waist of the subject being treated.

[0071] Moreover, in Figure 6 In the state shown, the lower leg of the subject being treated received by the footrest 9 descends from the knee toward the ankle. That is, in Figure 6 In the state shown, in the state where the backrest 3 has fallen to the rearmost position, the above-mentioned second moving part moves the footrest 9 so that the lower leg of the subject being treated descends from the knee of the subject being treated toward the ankle. Thereby, compared with the state where the lower leg of the subject being treated is along the horizontal direction, the stretching treatment on the waist of the subject being treated can be strengthened.

[0072] In Figure 7 the state shown, the front end of the seat portion 2 is located at a position higher than that in Figure 3 the state shown, the backrest 3 is tilted to the rearmost position, and the footrest 9 is moved away from the front end of the base frame F1 to the maximum extent. In Figure 7 the state shown, the protruding amount of the rod member 18A from the cylindrical member 18B is at an intermediate value within the movable range of the rod member 18A, the protruding amount of the rod member 19A from the cylindrical member 19B is the minimum within the movable range of the rod member 19A, and the protruding amount of the rod member 20A from the cylindrical member 20B is the maximum within the movable range of the rod member 20A.

[0073] In Figure 7 the state shown, the airbag 2C expands in a state of being contracted more than in Figure 6 the state shown. Thus, in Figure 7 the state shown, the rear end of the seat portion 2 moves upward compared to Figures 3 to 5 the state shown.

[0074] In Figure 7 the state shown, the rear end of the seat portion 2 moves upward, thereby suppressing the downward sinking of the buttocks of the subject being treated. Further, in Figure 7 the state shown, the rear end of the seat portion 2 does not move upward to the extent corresponding to Figure 6 the state shown, and thus the stretching treatment on the waist of the subject being treated can be suppressed. Moreover, in Figure 7 the state shown, the lower leg of the subject being treated received by the footrest 9 is along the horizontal direction. That is, in Figure 7 the state shown, in the state where the backrest 3 is tilted to the rearmost position, the second moving portion moves the footrest 9 so that the lower leg of the subject being treated is along the horizontal direction.

[0075] In Figure 7 the state shown, the surface of the footrest 9 in contact with the calf of the subject being treated, the upper surface of the seat portion 2, and the surface 3A of the backrest 3 (see Figure 1 ) are arranged to be nearly in a straight line, and the massage machine 1 becomes nearly in the shape of a bed for the subject being treated. Since Figure 7 the state shown can relax the subject being treated, it is preferably, for example, that the massage machine 1 maintains Figure 7 the state shown for a certain period of time after the treatment on the subject being treated is completed.

[0076] Figure 8 Shows the state of the massage machine 1 after the treatment on the subject being treated is completed. In the present embodiment, after the treatment on the subject being treated is completed, it transitions to Figure 7 the state shown and then to Figure 8 the state shown.

[0077] In Figure 8 the state shown, the front end of the seat portion 2 is at the lowermost position, the backrest 3 is erected to the maximum extent, and the footrest portion 9 is closest to the front end of the base frame F1 to the maximum extent. In Figure 8 the state shown, the protruding amount of the rod member 18A from the cylindrical member 18B is the minimum within the movable range of the rod member 18A, the protruding amount of the rod member 19A from the cylindrical member 19B is the maximum within the movable range of the rod member 19A, and the protruding amount of the rod member 20A from the cylindrical member 20B is the minimum within the movable range of the rod member 20A.

[0078] In Figure 8 the state shown, the airbag 2C expands. Thus, in Figure 8 the state shown, compared with Figures 3 to 5 the state shown, the rear end of the seat portion 2 moves upward. That is, after the treatment of the subject is completed, the above-mentioned first moving portion moves the rear end of the seat portion 2 upward.

[0079] In Figure 8 the state shown, the rear end of the seat portion 2 moves upward, whereby the subject can easily stand up from the seated state.

[0080] It should be noted that in Figure 8 the state shown, the airbag 2C preferably expands in a state of being contracted more than in Figure 7 the state shown. This is because if the airbag 2C expands excessively, the effect that the subject can easily stand up from the seated state becomes smaller.

[0081] It should be considered that the above-described embodiments are illustrative only in all respects and are not restrictive. It should be understood that the technical scope of the present invention is not shown by the description of the above embodiments, but is shown by the scope of the technical solution, and includes the meaning equivalent to the scope of the technical solution and all modifications belonging to the scope of the technical solution.

[0082] For example, in the present embodiment, the moving portion that moves the rear end of the seat portion 2 upward is the airbag 2C, but it may be, different from the present embodiment, a component other than the airbag 2C, such as an actuator described below, etc., used as the moving portion that moves the rear end of the seat portion 2 upward, and the actuator has a rod member, a cylindrical member that houses the rod member, and a motor for adjusting the protruding amount of the rod member relative to the cylindrical member.

[0083] For example, in the present embodiment, as the seat part actuator 18, the backrest part actuator 19, and the footrest part actuator 20, actuators each having a rod member, a cylindrical member that houses the rod member, and a motor for adjusting the protruding amount of the rod member relative to the cylindrical member are used. However, different from the present embodiment, at least one of the seat part actuator 18, the backrest part actuator 19, and the footrest part actuator 20 may be an actuator other than an actuator having a rod member, a cylindrical member that houses the rod member, and a motor for adjusting the protruding amount of the rod member relative to the cylindrical member. For example, by using an actuator having a link mechanism, the occupied space of the actuator can be reduced.

[0084] In the above-described embodiment, the massage machine 1 has a structure with a moving part that moves the rear end of the seat part 2 upward, but it may also be configured as follows: in a massage machine that does not have a structure with a moving part that moves the rear end of the seat part 2 upward, the position of the rotation fulcrum P1 of the backrest 3 in the front-rear direction coincides with the position of the hip point in the front-rear direction. In this case, the effect can also be obtained that it is possible to prevent the head of the person being treated from shifting along the longitudinal direction of the backrest 3 when the backrest 3 is laid down.

Claims

1. A massage machine, wherein, the massage machine includes: a seat portion that supports the buttocks and thighs of the person being treated; a backrest that can be tilted; a footrest portion that houses the calves of the person being treated; a first moving portion that moves the footrest portion; and a second moving portion that moves the front end of the seat portion upward, in a state where the front end of the seat portion is moved to a position above the rear end of the seat portion by the second moving portion, the backrest is laid down, and the footrest portion is moved by the first moving portion.

2. The massage machine according to claim 1, wherein, the massage machine has a base frame that supports the seat portion and the backrest, the backrest is laid down to the rearmost position, and the footrest portion moves away from the front end of the base frame.

3. The massage machine according to claim 1 or 2, wherein, the massage machine includes an operation portion that receives the operation of the person being treated, when an operation is received via the operation portion, the front end of the seat portion moves upward.

4. The massage machine according to claim 1 or 2, wherein, the massage machine includes a sensor that detects the sitting of the person being treated, when the sensor detects sitting, the front end of the seat portion moves upward.

5. The massage machine according to claim 1 or 2, wherein, the footrest portion can be moved by the first moving portion in such a way as to be in a first state where the calves of the person being treated descend from the knees toward the ankles and a second state where the calves of the person being treated are along the horizontal direction.

6. A massage machine, wherein, the massage machine includes: a seat portion that supports the buttocks and thighs of the person being treated; a backrest that can be tilted; and a third moving portion that moves the rear end of the seat portion upward, in a state where the backrest is erected to the maximum extent, the rear end of the seat portion is higher than the front end of the seat portion.

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