A shell-less flexible massage cushion

Abstract

The present invention relates to the technical field of massage cushions and discloses a shell-less flexible massage cushion, which includes an outer sleeve bag, a frame assembly, a massage unit and a ventilation unit; wherein, the frame assembly, the massage unit and the ventilation unit are all arranged inside the outer sleeve bag, one end of the outer sleeve bag is provided with an opening, a zipper is arranged at the opening position, a plurality of ventilation holes are formed in the outer sleeve bag, a cover cloth is arranged on the side of the outer sleeve bag, the cover cloth is arranged opposite to the plurality of ventilation holes, and one side of the cover cloth is fixedly connected to the outer sleeve bag. By adopting the design of a shell-less flexible cushion, the overall structure of the present invention is thinner and lighter, reducing the space occupation. The flexible rack design replaces the traditional hard shell structure, which not only improves the aesthetics of the product, but also makes the cushion more in line with the aesthetic requirements of modern household furniture.

Description

Technical Field

[0001] The present invention relates to the technical field of massage cushions, and in particular to a flexible massage cushion without a hard shell. Background Art

[0002] A massage cushion is a health care product that combines modern technology and ergonomics, aiming to provide users with a convenient and comfortable massage experience. It is usually designed to be small and light, making it easy to use at home, in the office or other places.

[0003] After retrieval, a Chinese patent with the publication number CN205163572U discloses a massage cushion device, including: a neck and shoulder massage device, a back massage device and a fixed frame. The fixed frame is provided with a track, and the neck and shoulder massage device and the back massage device are slidably installed on the fixed frame along the track. The above solution realizes the overall massage of the user's back or neck with a user-friendly design, making the massage cushion device more practical. However, when the above solution is actually used, there are still the following deficiencies:

[0004] The massage cushion in the above technology has the following drawbacks: First, since at least one hard support shell (such as a front shell or a rear shell) is required to ensure the up and down displacement of the massage components inside the shell, the thickness of the cushion is relatively large, occupying more space. Second, this design makes users feel an obvious sense of foreign body when lying on it, affecting comfort. Finally, the existence of the hard shell structure also limits the optimization of the massage experience, restricting the massage effect and comfort to a certain extent.

[0005] Therefore, it is necessary to design a flexible massage cushion without a hard shell to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose a flexible massage cushion without a hard shell.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A flexible massage cushion without a hard shell includes an outer sleeve bag, a frame assembly, a massage unit and a ventilation unit;

[0009] Among them, the frame assembly, the massage unit and the ventilation unit are all arranged inside the outer sleeve bag. One end of the outer sleeve bag is provided with an opening, a zipper is arranged at the opening position, a plurality of ventilation holes are opened on the outer sleeve bag, a cover cloth is arranged on the side of the outer sleeve bag, the cover cloth is arranged opposite to the plurality of ventilation holes, and one side of the cover cloth is fixedly connected to the outer sleeve bag;

[0010] Among them, the frame assembly includes an upper frame body, a lower frame body, two flexible racks, a conductive bar and a power supply frame. Both of the two flexible racks are fixed between the upper frame body and the lower frame body. The upper frame body, the lower frame body and the two flexible racks together form a frame structure. The conductive bar is fixed between the upper frame body and the lower frame body. The power supply frame is slidably assembled on the conductive bar;

[0011] Among them, the massage unit includes an outer shell body, a biaxial motor, two moving components, two massage components and two vibration components. The outer shell body is slidably assembled on the two flexible racks. Two avoidance openings are formed on the outer shell body. The biaxial motor is installed inside the outer shell body. The two moving components, the two massage components and the two vibration components are all arranged inside the outer shell body;

[0012] Among them, the ventilation unit includes a ventilation pipe, a gas supply component and a connection component. The ventilation pipe is fixed on the outer shell body. A plurality of air jet openings are formed on the ventilation pipe. The gas supply component is arranged between the lower frame body and the outer shell body. The connection component is arranged on the lower frame body.

[0013] As a preferred technical solution of the present invention, the moving component includes a worm, a walking gear and a transmission gear set. The worm is fixed on the output shaft of the biaxial motor. The walking gear is rotatably assembled inside the outer shell body. The walking gear passes through the avoidance opening and meshes with the flexible rack. The transmission gear set is arranged inside the outer shell body. The transmission gear set includes a toothed disc. The walking gear is fixed to the toothed disc and the walking gear and the toothed disc are coaxially arranged. A worm gear meshing with the worm is arranged in the transmission gear set.

[0014] As a preferred technical solution of the present invention, the massage component includes a driving gear, a rotating shaft, a slotted groove, a movable rod and a massage head. The rotating shaft is rotatably assembled inside the outer shell body. The driving gear is fixedly sleeved on the rotating shaft. The driving gear meshes with the transmission gear set. A slotted groove is formed at the top end of the rotating shaft. A movable rod is slidably arranged inside the slotted groove. The cross sections of the slotted groove and the movable rod are both rectangular structures. The movable rod and the bottom of the slotted groove are connected by a connecting spring. The top end of the movable rod extends to the outside of the outer shell body and is connected to the massage head.

[0015] As a preferred technical solution of the present invention, the vibration component includes a rotating block, a vibration block, a vibration rod and a guide ring. The rotating block is fixedly sleeved on the rotating shaft. The vibration block is slidably sleeved on the rotating shaft. The vibration rod is fixed on the top surface of the vibration block. The top end of the vibration rod extends to the outside of the outer shell body and is arranged opposite to the massage head. The guide ring is fixed inside the outer shell body. A limiting groove is formed in the inner ring of the guide ring. A limiting block is fixed on the outer peripheral surface of the vibration block. The limiting block is slidably arranged in the limiting groove.

[0016] As a preferred technical solution of the present invention, the rotating block and the vibrating block are arranged vertically opposite to each other, the rotating block and the vibrating block together form a cylindrical structure, the rotating block and the vibrating block are of the same size, inclined surfaces are provided at opposite ends of the rotating block and the vibrating block, and the outer peripheral surface of the vibrating block is in mutual contact with the side surface of the guiding ring.

[0017] As a preferred technical solution of the present invention, the air supply assembly includes an elastic capsule, two frames, two air pipes, two one-way valves and two guiding rods. The elastic capsule is in a plate-like structure. The two frames are respectively fixed at both ends of the elastic capsule. One of the frames is connected to the outer housing, and the other frame is connected to the lower frame. The two air pipes are both communicated with the elastic capsule. The two one-way valves are respectively installed on the two air pipes. One of the air pipes is communicated with the external environment, and the end of the other air pipe far from the elastic capsule is communicated with the ventilation pipe. The two guiding rods are both fixed between the upper frame and the lower frame. Connecting rods are fixed at both ends of the frame. Guide sleeves are fixed at the ends of the two connecting rods far from the frame. The guide sleeves are slidably sleeved on the guiding rods. The guiding rods are made of flexible materials.

[0018] As a preferred technical solution of the present invention, the current-limiting directions of the two one-way valves are opposite.

[0019] As a preferred technical solution of the present invention, the connection assembly is composed of a fixing part and a connecting part;

[0020] The fixing part includes a fixing cylinder, a positioning cylinder and a clamping groove. The fixing cylinder is fixed on the side surface of the frame. The positioning cylinder is fixed inside the fixing cylinder. The clamping groove is opened on the inner ring of the positioning cylinder;

[0021] The connecting part includes a fixing seat, a rotating rod and a clamping block. The fixing seat is fixed on the side surface of the lower frame. The rotating rod is rotatably assembled on the fixing seat. The clamping block is fixed at one end of the rotating rod. A knob is fixed at the other end of the rotating rod. The shape of the clamping block is adapted to the clamping groove.

[0022] As a preferred technical solution of the present invention, two positioning protrusions are fixed on the side surface of the fixing seat. A positioning rod is fixed on the rotating rod. The positioning rod is arranged between the two positioning protrusions. A damping wheel is fixedly sleeved on the rotating rod. A damping plate is fixed on the lower frame. The damping wheel is in mutual contact with the damping plate.

[0023] As a preferred technical solution of the present invention, an installation groove is opened on the flexible rack. A long strip-shaped hose is fixed inside the installation groove. Electrorheological fluid is stored inside the hose. A conducting wire is arranged inside the hose.

[0024] The present invention has the following beneficial effects:

[0025] 1. By adopting a shellless flexible cushion design, the overall structure is thinner and lighter, reducing space occupancy. The flexible rack design replaces the traditional hard shell structure, not only enhancing the aesthetic appearance of the product but also making the cushion more in line with the aesthetic requirements of modern household furniture. The flexible rack can deform to adapt to different shapes, ensuring that the cushion can better conform to the human body curve. This design makes the cushion hardly produce a foreign body sensation at the position where it contacts the human body, greatly enhancing the comfort of use;

[0026] 2. The operation of the massage unit is powered by a dual-axis motor. The power is transmitted to the traveling gear and the driving gear through a transmission gear set to achieve the movement of the outer shell and the rotation and vibration of the massage head. The combination of the rotation action and the vibration action of the massage head improves the comfort and effect of the massage;

[0027] 3. The design of the ventilation unit can reduce the stuffy feeling generated on the user's back in summer. Through the periodic extrusion and stretching of the elastic bladder and the control of the one-way valve, the inhalation and ejection of gas are achieved, providing a cool air flow for the user. In addition, the design of the connection component enables the user to easily adjust the ventilation function according to the season and needs. In winter, the elastic bladder can be adjusted through the connection component to stop the air supply action and cancel the ventilation function;

[0028] 4. The installation groove opened on the flexible rack is internally provided with a hose, and the hose stores electrorheological fluid. When it is necessary to shape the massage cushion, the wire in the hose can be controlled to be energized, making the electrorheological fluid "solidify" to provide additional support force. This "solidification" phenomenon is reversible, allowing the flexible rack to deform again, enhancing the flexibility and adaptability of the massage cushion;

[0029] 5. The design of the connection component enables the user to adjust the ventilation function and the auxiliary shaping function through simple operations. The design of the damping wheel and the damping plate provides a large friction force for the rotating rod, preventing the rotating rod from rotating under non-artificial conditions and ensuring the stability of the position of the rotating rod and the clamping block. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic structural diagram of a shellless flexible massage cushion proposed by the present invention;

[0031] Figure 2 is a schematic structural diagram of the frame assembly and the massage unit;

[0032] Figure 3 is an exploded structural diagram of the massage unit;

[0033] Figure 4 is a schematic structural diagram of the outer shell;

[0034] Figure 5 Schematic structural diagram of a dual-axis motor and two moving components;

[0035] Figure 6 Schematic structural diagram of a dual-axis motor and two moving components from another perspective;

[0036] Figure 7 For Figure 2 Enlarged view of the structure at location A of

[0037] Figure 8 For Figure 2 Enlarged view of the structure at location B of

[0038] Figure 9 For Figure 4 Enlarged view of the structure at location C of

[0039] Figure 10 For Figure 2 Enlarged view of the structure at location D of

[0040] Figure 11 Schematic structural diagram of a massage component and a vibration component;

[0041] Figure 12 Schematic structural diagram of an upper frame body and a flexible rack;

[0042] Figure 13 Exploded schematic structural diagram of a connection component;

[0043] Figure 14 Schematic structural diagram when the cover cloth is wound.

[0044] In the figure: 11. Outer sleeve bag; 12. Ventilation holes; 13. Cover cloth; 21. Upper frame body; 22. Lower frame body; 23. Flexible rack; 24. Conductive strip; 25. Power supply frame; 31. Outer shell body; 32. Dual-axis motor; 33. Worm; 34. Traveling gear; 35. Transmission gear set; 41. Driving gear; 42. Rotating shaft; 43. Groove; 44. Movable rod; 45. Connecting spring; 46. Massage head; 51. Rotating block; 52. Vibration block; 53. Vibration rod; 54. Guide ring; 55. Limit groove; 56. Limit block; 61. Ventilation pipe; 62. Jet port; 63. Elastic capsule body; 64. Frame; 65. Air pipe; 66. Check valve; 67. Guide rod; 68. Guide sleeve; 69. Connecting rod; 71. Fixed cylinder; 72. Positioning cylinder; 73. Card slot; 74. Fixed seat; 75. Rotating rod; 76. Block; 77. Positioning convex block; 78. Positioning rod; 79. Damping wheel; 710. Damping plate; 81. Installation groove; 82. Hose; 83. Wire. Specific embodiments

[0045] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0046] Referring to Figures 1-14 , a non-rigid shell flexible massage cushion, comprising an outer sleeve bag 11, a frame assembly, a massage unit and a ventilation unit. The frame assembly, the massage unit and the ventilation unit are all arranged inside the outer sleeve bag 11. One end of the outer sleeve bag 11 is provided with an opening, and a zipper is arranged at the opening position. A plurality of ventilation holes 12 are formed in the outer sleeve bag 11 (as Figure 14 shown). A cover cloth 13 is arranged on the side of the outer sleeve bag 11. The cover cloth 13 is arranged opposite to the plurality of ventilation holes 12. One side of the cover cloth 13 is fixedly connected to the outer sleeve bag 11, and the remaining three sides of the cover cloth 13 can be connected to the outer sleeve bag 11 through Velcro;

[0047] The frame assembly includes an upper frame body 21, a lower frame body 22, two flexible racks 23, a conductive strip 24 and a power supply frame 25. The two flexible racks 23 are both fixed between the upper frame body 21 and the lower frame body 22. The upper frame body 21, the lower frame body 22 and the two flexible racks 23 together form a frame structure. The conductive strip 24 is fixed between the upper frame body 21 and the lower frame body 22. The power supply frame 25 is slidably assembled on the conductive strip 24. During the movement of the power supply frame 25, it can always be in contact with the conductive strip 24 to realize continuous power supply for the electronic devices inside the outer shell 31. An installation groove 81 is formed in the flexible rack 23 (as Figure 7 shown). A long strip-shaped hose 82 is fixed inside the installation groove 81. The current-variable fluid is stored inside the hose 82. A wire 83 is arranged inside the hose 82 (as Figure 12As shown in the figure, when the flexible rack 23 deforms, the hose 82 deforms accordingly. The hose 82 houses a wire 83 inside, and there is electro-rheological fluid accumulated inside the hose 82. Electro-rheological fluid is a special liquid that can rapidly change its physical state under the action of an electric field. Under normal conditions, the electro-rheological fluid presents a flowing state, but when an electric field is applied, it will rapidly "solidify" to provide stable support force. When it is necessary to shape the massage cushion, the user can control the wires 83 in the two hoses 82 to be energized. When the wires 83 are energized, the electric field generated by the wires 83 can cause the electro-rheological fluid in the hoses 82 to produce a "solidification" phenomenon. As the electro-rheological fluid "solidifies", the hoses 82 and the flexible rack 23 obtain additional support force, so as to maintain the current shape. This "solidification" phenomenon is reversible. When the power supply is disconnected, the electro-rheological fluid will return to its flowing state, allowing the flexible rack 23 to deform again. For the user, this auxiliary shaping function greatly improves the flexibility and adaptability of the massage cushion. It should be noted that the circuit connection method and power supply method of the two wires 83 are prior art and are not shown in the figure, so no more details will be given here. Preferably, the two wires 83 can be connected in series to a battery, and the battery is controlled by a switch for on and off. The user can control whether the current flows through the two wires 83 through the switch;

[0048] The massage unit includes an outer housing 31, a biaxial motor 32, two moving components, two massage components and two vibration components. The outer housing 31 is slidably assembled on the two flexible racks 23. Two avoidance openings are provided on the outer housing 31. The biaxial motor 32 is installed inside the outer housing 31. The two moving components, the two massage components and the two vibration components are all arranged inside the outer housing 31. The moving component includes a worm 33, a walking gear 34 and a transmission gear set 35. The worm 33 is fixed on the output shaft of the biaxial motor 32. The walking gear 34 is rotatably assembled inside the outer housing 31. The walking gear 34 passes through the avoidance opening and meshes with the flexible rack 23. The transmission gear set 35 is arranged inside the outer housing 31. The transmission gear set 35 includes a toothed disc. The walking gear 34 is fixed to the toothed disc and is coaxially arranged with the toothed disc. A worm gear meshing with the worm 33 is provided in the transmission gear set 35. When the worm 33 rotates, it drives the worm gear in the transmission gear set 35 to rotate. The power of the biaxial motor 32 is transmitted to the toothed disc by the transmission gear set 35, so that the toothed disc drives the walking gear 34 to rotate. The walking gear 34 meshes with the flexible rack 23. Therefore, when the walking gear 34 rotates, it can move along the flexible rack 23;

[0049] The massage component includes a driving gear 41, a rotating shaft 42, a slot 43, a movable rod 44 and a massage head 46. The rotating shaft 42 (such as Figure 11 shown) is rotatably assembled inside the outer housing 31. The driving gear 41 is fixedly sleeved on the rotating shaft 42. The driving gear 41 meshes with the transmission gear set 35 (such asFigure 3 As shown in the figure, a slot 43 is opened at the top end of the rotating shaft 42. An active rod 44 is slidably arranged inside the slot 43. The cross-sections of both the slot 43 and the active rod 44 are rectangular structures. The active rod 44 is connected to the bottom of the slot 43 of the slot 43 through a connecting spring 45. The top end of the active rod 44 extends to the outside of the outer housing 31 and is connected to the massage head 46. When the transmission gear set 35 operates, it can also transmit the power of the dual-axis motor 32 to the driving gear 41, so that the driving gear 41 drives the rotating shaft 42 to rotate. Since the cross-sections of both the slot 43 and the active rod 44 are rectangular structures, when the rotating shaft 42 rotates, it can drive the active rod 44 to rotate, and the massage head 46 connected to the active rod 44 will also rotate accordingly. Based on the above process, the moving action of the outer housing 31 and the rotating actions of the two massage heads 46 are synchronized. During this process, the two massage heads 46 can massage the user's back. The vibration assembly includes a rotating block 51, a vibrating block 52, a vibrating rod 53 and a guiding ring 54. The rotating block 51 is fixedly sleeved on the rotating shaft 42. The vibrating block 52 is slidably sleeved on the rotating shaft 42. The vibrating rod 53 is fixed on the top surface of the vibrating block 52 (as Figure 6 shown). The top end of the vibrating rod 53 extends to the outside of the outer housing 31 and is arranged facing the massage head 46. The guiding ring 54 is fixed inside the outer housing 31 (as Figure 9 shown). A limiting groove 55 is opened in the inner ring of the guiding ring 54. A limiting block 56 is fixed on the outer peripheral surface of the vibrating block 52. The limiting block 56 is slidably arranged in the limiting groove 55. The rotating block 51 and the vibrating block 52 are arranged vertically and face each other. The rotating block 51 and the vibrating block 52 together form a cylindrical structure. The rotating block 51 and the vibrating block 52 are of the same size. Bevels are provided at one end of the rotating block 51 and the vibrating block 52 that face each other. The outer peripheral surface of the vibrating block 52 is in mutual contact with the side surface of the guiding ring 54. When the rotating block 51 rotates, the bevels of the rotating block 51 and the vibrating block 52 that face each other will push the vibrating block 52 to move upward. The vibrating block 52 drives the vibrating rod 53 to move upward. When the vibrating rod 53 moves upward, it can push the massage head 46, so that the massage head 46 moves in a direction away from the outer housing 31. When the rotating block 51 does not apply a thrust to the vibrating block 52, the vibrating rod 53 no longer applies a thrust to the massage head 46. At this time, the massage head 46 will reset under the elastic force of the connecting spring 45. Based on the above process, under the combined action of the rotating block 51 and the vibrating block 52, the massage head 46 can produce a vibrating effect. The rotating action and the vibrating action of the massage head 46 are combined, which can improve the comfort of the user;

[0050] The ventilation unit includes a ventilation pipe 61, a gas supply component and a connection component. The ventilation pipe 61 is fixed on the outer housing 31 (as Figure 10As shown in the figure, a plurality of air jet ports 62 are formed in the ventilation pipe 61. The air supply assembly is arranged between the lower frame body 22 and the outer shell body 31, and the connection assembly is arranged on the lower frame body 22. The air supply assembly includes an elastic bladder 63, two side frames 64, two air pipes 65, two one-way valves 66 and two guide rods 67. The elastic bladder 63 is in a plate-like structure. The two side frames 64 are respectively fixed at both ends of the elastic bladder 63. One of the side frames 64 is connected to the outer shell body 31, and the other side frame 64 is connected to the lower frame body 22. The two air pipes 65 are both communicated with the elastic bladder 63. The two one-way valves 66 are respectively installed on the two air pipes 65 (as Figure 7 shown). The flow-limiting directions of the two one-way valves 66 are opposite. One of the air pipes 65 is communicated with the external environment, and the end of the other air pipe 65 far away from the elastic bladder 63 is communicated with the ventilation pipe 61. The two guide rods 67 are both fixed between the upper frame body 21 and the lower frame body 22. Connecting rods 69 are fixed at both ends of the side frame 64. Guide sleeves 68 are fixed at the ends of the two connecting rods 69 far away from the side frame 64. The guide sleeves 68 are slidably sleeved on the guide rods 67. The guide rods 67 are made of flexible materials. During the movement of the side frame 64, the guide sleeves 68 and the guide rods 67 play a role in limiting the movement of the side frame 64. During the reciprocating movement of the outer shell body 31, the elastic bladder 63 can continuously supply air into the ventilation pipe 61, so that the gas is ejected through the plurality of air jet ports 62. At the same time, the user can turn the cover cloth 13 on the outer sleeve bag 11 to separate the cover cloth 13 from the outer sleeve bag 11 and expose a plurality of air permeable holes 12. In this case, the air flow ejected from the plurality of air jet ports 62 can be ejected through the plurality of air permeable holes 12 and blown onto the back of the user. This design can reduce the stuffy feeling generated when the user uses the massage cushion in summer and further improve the comfort of the user;

[0051] The connection assembly is composed of a fixing part and a connecting part; the fixing part includes a fixing cylinder 71, a positioning cylinder 72 and a clamping groove 73. The fixing cylinder 71 is fixed on the side surface of the side frame 64 close to the lower frame body 22 (as Figure 8 shown). The positioning cylinder 72 is fixed inside the fixing cylinder 71. The clamping groove 73 is formed on the inner ring of the positioning cylinder 72; the connecting part includes a fixing seat 74, a rotating rod 75 and a clamping block 76. The fixing seat 74 is fixed on the side surface of the lower frame body 22. The rotating rod 75 is rotatably assembled on the fixing seat 74 (as Figure 13As shown in the figure, the clamping block 76 is fixed at one end of the rotating rod 75, and a knob is fixed at the other end of the rotating rod 75. The shape of the clamping block 76 is adapted to the clamping groove 73. Two positioning bumps 77 are fixed on the side surface of the fixed seat 74. A positioning rod 78 is fixed on the rotating rod 75, and the positioning rod 78 is arranged between the two positioning bumps 77. A damping wheel 79 is fixedly sleeved on the rotating rod 75, and a damping plate 710 is fixed on the lower frame body 22. The damping wheel 79 and the damping plate 710 are in mutual contact. In winter, the ventilation function of this massage cushion may not be needed. At this time, the staff can adjust the connecting component to separate the frame 64 close to the lower frame body 22 from the lower frame body 22. When the two are separated, the movement of the outer shell 31 will directly drive the movement of the elastic capsule 63. In this process, the elastic capsule 63 will not be stretched or compressed, and the air supply action will also stop accordingly. Specifically, when it is necessary to release the connection between the frame 64 and the lower frame body 22, the user opens the zipper on the outer sleeve 11 to open the outer sleeve 11, and then manually rotates the knob to drive the rotating rod 75 to rotate. When the rotating rod 75 rotates, the clamping block 76 thereon rotates accordingly. The user rotates the rotating rod 75 until the clamping block 76 is aligned with the clamping groove 73. In this case, the clamping block 76 no longer provides a limit to the positioning cylinder 72. When the outer shell 31 pulls the elastic capsule 63, the positioning cylinder 72 will be directly separated from the rotating rod 75, that is, the outer shell 31 will pull the entire elastic capsule 63 to move. In this case, the elastic capsule 63 no longer performs the air supply action, and the ventilation function is cancelled.

[0052] The specific working principle of the present invention is as follows:

[0053] The main frame of a multi-angle chip defect detection device proposed by the present invention is composed of an upper frame 21, a lower frame 22 and two flexible racks 23. An outer sleeve bag 11 is sleeved on the main frame to form an outer protection for the main frame. The upper frame 21 and the lower frame 22 respectively abut against both ends of the outer sleeve bag 11 to provide support for the outer sleeve bag 11. Both flexible racks 23 are made of flexible materials, such as soft plastic or rubber materials. When massaging, the outer shell 31 moves along the two flexible racks 23, and two massage heads 46 on the outer shell 31 massage the user's back. This structural form replaces the structure of a traditional massage cushion with a hard shell. The overall structure is thinner and lighter, not only reducing the space occupied, but also improving the aesthetic degree of the product. The unique design of the flexible rack 23 can generate deformation, so as to adapt to different shapes. This characteristic ensures that the cushion can better fit the human body curve. At the position where the human body contacts, due to the optimized structure and the soft material, the user can hardly feel any foreign body sensation, greatly enhancing the comfort of use. In addition, due to the reduction of the thickness, the sitting feeling is more natural when sitting down, and the comfort of massage is also significantly improved. Generally speaking, the "shell-less flexible cushion" massage component realizes multiple advantages such as being thin and light, strong adaptability, low foreign body sensation and good massage comfort through its innovative design, bringing a better massage experience to users;

[0054] For the massage unit, the operation of the massage unit is powered by a dual-axis motor 32. Specifically, when the dual-axis motor 32 operates, it drives two worm gears 33 to rotate. When the worm gears 33 rotate, they drive the worm wheels in the transmission gear set 35 to rotate. The transmission gear set 35 transmits the power of the dual-axis motor 32 to the tooth disc, so that the tooth disc drives the walking gear 34 to rotate. The walking gear 34 meshes with the flexible rack 23. Therefore, when the walking gear 34 rotates, it can move along the flexible rack 23. In summary, when the dual-axis motor 32 operates, the two walking gears 34 rotate synchronously and jointly drive the outer shell 31 to move along the two flexible racks 23. It should be noted that when the outer shell 31 moves to the end position of the flexible rack 23, the dual-axis motor 32 performs a commutation action to drive the two walking gears 34 to rotate in the reverse direction, so that the outer shell 31 moves in the reverse direction. The purpose is to make the outer shell 31 reciprocate between the upper frame 21 and the lower frame 22. Further, when the transmission gear set 35 operates, it can also transmit the power of the dual-axis motor 32 to the driving gear 41, so that the driving gear 41 drives the rotating shaft 42 to rotate. Since the cross-sections of the slotted groove 43 and the movable rod 44 are both rectangular structures, when the rotating shaft 42 rotates, it can drive the movable rod 44 to rotate, and the massage head 46 connected to the movable rod 44 will also rotate accordingly. Based on the above process, the movement action of the outer shell 31 and the rotation action of the two massage heads 46 are synchronized. In this process, the two massage heads 46 can massage the user's back;

[0055] For the rotating shaft 42, when the rotating shaft 42 rotates, it can also drive the rotating block 51 thereon to rotate. Since the rotating block 51 and the vibrating block 52 are arranged vertically opposite to each other, the rotating block 51 and the vibrating block 52 together form a cylindrical structure. The rotating block 51 and the vibrating block 52 are of the same size, and inclined surfaces are provided at one end of the rotating block 51 and the vibrating block 52 that face each other. A limiting block 56 is connected to the vibrating block 52, and the limiting block 56 is slidably arranged in the limiting groove 55. Under the limiting action of the limiting block 56 and the limiting groove 55, the vibrating block 52 can only move in the vertical direction. During the rotation of the rotating block 51, it will continuously squeeze the vibrating block 52. When the rotating block 51 pushes the vibrating block 52 upward, the vibrating block 52 will move upward and drive the vibrating rod 53 to move upward. When the vibrating rod 53 moves upward, it can push the massage head 46, causing the massage head 46 to move away from the outer housing 31. When the rotating block 51 does not exert a thrust on the vibrating block 52, the vibrating rod 53 no longer exerts a thrust on the massage head 46. At this time, the massage head 46 will reset under the elastic force of the connecting spring 45. Based on the above process, under the cooperation of the rotating block 51 and the vibrating block 52, the massage head 46 can produce a vibrating effect. The rotational movement and the vibrating movement of the massage head 46 are combined to improve the comfort of the user;

[0056] In the present invention, a ventilation unit is further provided on the outer housing 31. In summer, the airflow generated by the ventilation unit can reduce the stuffy feeling on the user's back and further improve the comfort of the user. Specifically, during the reciprocating movement of the outer housing 31 between the upper frame 21 and the lower frame 22, the elastic bladder 63 will be periodically squeezed and stretched. Two air pipes 65 are connected to the elastic bladder 63, and one-way valves 66 are installed on both of the two air pipes 65, and the flow-limiting directions of the two one-way valves 66 are opposite. Specifically, one of the one-way valves 66 restricts the gas to only enter the elastic bladder 63, and the other one-way valve 66 restricts the gas to only flow out of the elastic bladder 63. When the elastic bladder 63 is stretched, the elastic bladder 63 can perform an air extraction action through one of the air pipes 65. When the elastic bladder 63 is squeezed, the elastic bladder 63 can press the internal gas into the ventilation pipe 61 through the other air pipe 65, so that the gas is ejected through a plurality of jet ports 62 on the ventilation pipe 61. In summary, during the reciprocating movement of the outer housing 31, the elastic bladder 63 can continuously supply air to the inside of the ventilation pipe 61, so that the gas is ejected through a plurality of jet ports 62. At the same time, the user can flip the cover cloth 13 on the outer sleeve bag 11 to separate the cover cloth 13 from the outer sleeve bag 11 and expose a plurality of ventilation holes 12. In this case, the airflow ejected from the plurality of jet ports 62 can be ejected through the plurality of ventilation holes 12 and blown onto the user's back. This design can reduce the stuffy feeling generated when the user uses the massage cushion in summer and further improve the comfort of the user;

[0057] In winter, the ventilation function of the massage cushion may not be needed. At this time, the staff can adjust the connecting component to separate the frame 64 close to the lower frame body 22 from the lower frame body 22. When the two are separated, the movement of the outer shell 31 will directly drive the elastic bladder 63 to move. In this process, the elastic bladder 63 will not be stretched or compressed, and the air supply action will also stop accordingly. Specifically, when it is necessary to release the connection between the frame 64 and the lower frame body 22, the user opens the zipper on the outer sleeve bag 11 to open the outer sleeve bag 11, and then manually rotates the knob to drive the rotating rod 75 to rotate. When the rotating rod 75 rotates, the clamping block 76 on it rotates accordingly. The user rotates the rotating rod 75 until the clamping block 76 is aligned with the card slot 73. In this case, the clamping block 76 no longer provides a limit to the positioning cylinder 72. When the outer shell 31 pulls the elastic bladder 63, the positioning cylinder 72 will be directly separated from the rotating rod 75, that is, the outer shell 31 will pull the entire elastic bladder 63 to move. In this case, the elastic bladder 63 no longer performs the air supply action, and the ventilation function is cancelled;

[0058] When it is necessary to restore the ventilation function, the user can also use the connecting component to connect the lower frame body 22 and the frame 64. Specifically, the user first pulls the frame 64 close to the lower frame body 22 so that the positioning cylinder 72 is sleeved on the rotating rod 75 and the clamping block 76 passes through the card slot 73. Then the user rotates the knob to drive the rotating rod 75 to drive the clamping block 76 to rotate until the clamping block 76 is separated from the card slot 73. At this time, the clamping block 76 can play a limiting role on the positioning cylinder 72, that is, the positioning cylinder 72 is blocked by the clamping block 76 and cannot move. In this case, the movement of the outer shell 31 will stretch or squeeze the elastic bladder 63 again, and the ventilation function is restored accordingly. It should be noted that two positioning bumps 77 are provided on the fixed seat 74, a positioning rod 78 is fixed on the rotating rod 75, and the positioning rod 78 is located between the two positioning bumps 77. The two positioning bumps 77 play a positioning role on the positioning rod 78. When the positioning rod 78 contacts one of the positioning bumps 77, the clamping block 76 and the card slot 73 are in a mutually misaligned state. When the positioning rod 78 contacts the other positioning bump 77, the clamping block 76 and the card slot 73 are in a mutually aligned state. Therefore, when the user adjusts the position of the clamping block 76, the rotation angle of the rotating rod 75 can be accurately adjusted by using the two positioning bumps 77 and the positioning rod 78. Secondly, a damping wheel 79 is fixedly sleeved on the rotating rod 75, a damping plate 710 is fixed on the lower frame body 22, and a concave surface adapted to the damping wheel 79 is provided on the damping plate 710. The damping wheel 79 and the damping plate 710 are mutually attached, and both the damping wheel 79 and the damping plate 710 are made of rubber materials. The damping wheel 79 and the damping plate 710 can provide a large frictional force for the rotating rod 75, and this frictional force can prevent the rotating rod 75 from rotating under non-artificial conditions, thus ensuring the stability of the positions of the rotating rod 75 and the clamping block 76;

[0059] In addition, the massage cushion proposed by the present invention also has the function of assisting shaping. Specifically, the flexible rack 23 is provided with a mounting groove 81 along its length direction. The mounting groove 81 has a built-in hose 82. The hose 82 stores electrorheological fluid. When the flexible rack 23 is deformed, the hose 82 is deformed accordingly. The hose 82 has a built-in wire 83, and the hose 82 stores electrorheological fluid. The electrorheological fluid is a special liquid that can rapidly change its physical state under the action of an electric field. Under normal conditions, the electrorheological fluid is in a flowing state, but when an electric field is applied, it will rapidly "solidify" to provide a stable supporting force. When the massage cushion needs to be shaped, the user can control the wires 83 in the two hoses 82 to energize. When the wires 83 When power is turned on, the electric field generated by the wire 83 can cause the electrorheological fluid in the hose 82 to "solidify". As the electrorheological fluid "solidifies", the hose 82 and the flexible rack 23 obtain additional supporting force, thereby being able to maintain the current shape. This "solidification" phenomenon is reversible. When the power is disconnected, the electrorheological fluid will resume its flow state, allowing the flexible rack 23 to deform again. For users, this auxiliary shaping function greatly enhances the flexibility and adaptability of the massage cushion. They can adjust the shape of the cushion according to their needs and easily fix it when needed. In addition, since the "solidification" phenomenon of the electrorheological fluid is reversible, users can also change the shape of the cushion at any time to adapt to different massage needs.

[0060] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A non-hard shell flexible massage cushion, characterized in that: It includes an outer bag, a frame assembly, a massage unit and a ventilation unit; The frame assembly, the massage unit and the ventilation unit are all arranged inside the outer bag. An opening is arranged at one end of the outer bag, a zipper is arranged at the opening position, a plurality of ventilation holes are opened on the outer bag, a cover cloth is arranged on the side of the outer bag, the cover cloth is arranged opposite to the plurality of ventilation holes, and one side of the cover cloth is fixedly connected to the outer bag. The frame assembly includes an upper frame, a lower frame, two flexible racks, a conductive strip and a power supply frame. The two flexible racks are fixed between the upper frame and the lower frame. The upper frame, the lower frame and the two flexible racks together form a frame-like structure. The conductive strip is fixed between the upper frame and the lower frame. The power supply frame is slidably assembled on the conductive strip. The massage unit includes an outer shell, a dual-axis motor, two moving components, two massage components and two vibration components. The outer shell is slidably mounted on two flexible racks. Two avoidance openings are provided on the outer shell. The dual-axis motor is installed inside the outer shell. The two moving components, two massage components and two vibration components are all arranged inside the outer shell. The ventilation unit includes a ventilation pipe, an air supply assembly and a connecting assembly. The ventilation pipe is fixed to the outer shell, a plurality of air jets are provided on the ventilation pipe, the air supply assembly is arranged between the lower frame and the outer shell, and the connecting assembly is arranged on the lower frame; The moving assembly includes a worm, a traveling gear and a transmission gear set. The worm is fixed on the output shaft of the dual-axis motor. The traveling gear is rotatably assembled inside the outer shell. The traveling gear passes through the avoidance opening and meshes with the flexible rack. The transmission gear set is arranged inside the outer shell. The transmission gear set includes a toothed disc. The traveling gear is fixed to the toothed disc and the traveling gear is coaxially arranged with the toothed disc. The transmission gear set is provided with a worm wheel meshing with the worm. The massage assembly includes a driving gear, a rotating shaft, a slot, a movable rod and a massage head. The rotating shaft is rotatably assembled inside the outer shell, the driving gear is fixedly sleeved on the rotating shaft, the driving gear is meshed with the transmission gear set, the top of the rotating shaft is provided with a slot, a movable rod is slidably arranged inside the slot, the cross-sections of the slot and the movable rod are both rectangular structures, the movable rod is connected to the bottom of the slot through a connecting spring, the top of the movable rod extends to the outside of the outer shell and is connected to the massage head; The vibration assembly includes a rotating block, a vibrating block, a vibrating rod and a guide ring. The rotating block is fixedly sleeved on the rotating shaft, the vibrating block is slidably sleeved on the rotating shaft, the vibrating rod is fixed on the top surface of the vibrating block, the top end of the vibrating rod extends to the outside of the outer shell and is arranged directly opposite to the massage head, the guide ring is fixed inside the outer shell, the inner ring of the guide ring is provided with a limiting groove, the limiting block is fixed on the outer peripheral surface of the vibrating block, and the limiting block is slidably arranged in the limiting groove; The rotating block and the vibrating block are arranged vertically opposite to each other, and together form a cylindrical structure. The rotating block and the vibrating block are of the same size, and an inclined surface is provided at the opposite ends of the rotating block and the vibrating block, and the outer peripheral surface of the vibrating block fits with the side surface of the guide ring.

2. A non-hard shell flexible massage cushion according to claim 1, characterized in that: The air supply assembly includes an elastic sac, two frames, two air pipes, two one-way valves and two guide rods. The elastic sac is a plate-shaped structure. The two frames are respectively fixed at the two ends of the elastic sac, one of which is connected to the outer frame, and the other is connected to the lower frame. The two air pipes are connected to the elastic sac. The two one-way valves are respectively installed on the two air pipes, one of which is connected to the external environment, and the other air pipe is connected to the ventilation pipe at one end away from the elastic sac. The two guide rods are fixed between the upper frame and the lower frame. Connecting rods are fixed at both ends of the frames. Guide sleeves are fixed at one end of the two connecting rods away from the frames. The guide sleeves are slidably mounted on the guide rods, and the guide rods are made of flexible material.

3. The non-hard shell flexible massage cushion according to claim 2, characterized in that: The flow limiting directions of the two one-way valves are opposite.

4. The non-hard shell flexible massage cushion according to claim 2, characterized in that: The connecting assembly is composed of a fixing part and a connecting part; The fixing part includes a fixing tube, a positioning tube and a clamping groove, wherein the fixing tube is fixed to the side of the frame, the positioning tube is fixed to the inside of the fixing tube, and the clamping groove is arranged on the inner circle of the positioning tube; The connecting part includes a fixing seat, a rotating rod and a clamping block. The fixing seat is fixed to the side of the lower frame, the rotating rod is rotatably assembled on the fixing seat, the clamping block is fixed to one end of the rotating rod, and a knob is fixed to the other end of the rotating rod. The shape of the clamping block is adapted to the clamping slot.

5. The non-hard shell flexible massage cushion according to claim 4, characterized in that: Two positioning protrusions are fixed on the side of the fixing seat, a positioning rod is fixed on the rotating rod, the positioning rod is arranged between the two positioning protrusions, a damping wheel is fixed on the rotating rod, a damping plate is fixed on the lower frame, and the damping wheel and the damping plate are fitted to each other.

6. The non-hard shell flexible massage cushion according to claim 1, characterized in that: The flexible rack is provided with an installation groove, a long strip of hose is fixed inside the installation groove, electrorheological fluid is stored inside the hose, and a wire is arranged inside the hose.

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