Massager capable of moving back and forth

Abstract

The utility model discloses a massager capable of moving back and forth. The massager comprises a shell; the massage module is arranged on the shell; the moving mechanism comprises a guide rack and a guide gear, the guide gear is rotationally connected to the shell, the guide gear and the guide rack are connected in an engaged mode, and the guide rack is in a runway shape; the driving motor is arranged on the shell and provided with an output shaft, the first end of the output shaft is in transmission connection with the massage module, the second end of the output shaft is in transmission connection with the guide gear, and the driving motor can drive the guide gear to rotate; wherein the guide gear can move along the guide rack when rotating, and the shell and the massage module can reciprocate along the guide rack under the driving of the guide gear. Thus, the overall size of the massager is smaller, the structure is more compact, meanwhile, the power consumption is reduced, and through meshing of the guide gear and the runway-shaped guide rack, the drive motor can guide the massage module to move between the two ends of the guide rack in a reciprocating mode only through one-way continuous rotation.

Description

Technical Field

[0001] The utility model relates to the field of massage equipment, in particular to a massager capable of reciprocating movement. Background Art

[0002] Back massagers are popular among consumers due to their compact size and are very convenient for use at home or in the office. However, due to their limited size, the massage head cannot cover all areas of the user's back. To address this problem, massagers with longitudinally movable massage heads are available in the prior art. However, to achieve longitudinal movement of the massage head, an additional power motor is required, meaning that two power motors are required to drive the massage head for massage and longitudinal movement, respectively. This makes the entire mechanism less compact, resulting in a larger overall size, complex structure, and high power consumption. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art described above, the present invention provides a massager that can reciprocate, aiming to make the overall volume of the massager smaller, the structure simpler and more compact, and reduce power consumption.

[0004] The technical solution adopted by the present invention to solve the problem is:

[0005] A massager that can reciprocate comprises: a shell; a massage module, which is arranged in the shell; a moving mechanism, which includes a guide rack and a guide gear, wherein the guide gear is rotatably connected to the shell, the guide gear is meshed with the guide rack, and the guide rack is runway-shaped; a driving motor, which is arranged in the shell, and the driving motor has an output shaft, wherein the first end of the output shaft is transmission-connected to the massage module, and the second end of the output shaft is transmission-connected to the guide gear, and the driving motor can drive the guide gear to rotate; wherein, the guide gear can move along the guide rack when rotating, and driven by the guide gear, the shell and the massage module can reciprocate along the guide rack.

[0006] According to some embodiments of the present utility model, the moving mechanism also includes a second rotating shaft and a fixed plate, the second rotating shaft is arranged on the shell, the guide gear rotates around the second rotating shaft, the guide rack is arranged on the fixed plate, and the fixed plate is also provided with a guide groove, the extension direction of the guide groove is the same as the extension direction of the guide rack, one end of the second rotating shaft is inserted into the guide groove and can move along the guide groove.

[0007] According to some embodiments of the present invention, the guide rack includes a long strip and teeth, and the long strip is in the shape of a runway; the teeth are arranged on the inner ring of the long strip, and the guide groove is surrounded by the long strip, or the teeth are arranged on the outer ring of the long strip, and the long strip is surrounded by the guide groove.

[0008] According to some embodiments of the present invention, the moving mechanism also includes a second worm and a second gear set, the second worm is connected to the second end of the output shaft and rotates synchronously with the second end of the output shaft, and the second gear set is respectively connected to the second worm and the guide gear.

[0009] According to some embodiments of the present invention, the shell is provided with a first sliding groove and a waist-shaped groove; the shell is slidingly connected to the fixed plate through the first sliding groove, and the guide gear extends out of the shell from the waist-shaped groove. When the guide gear moves to the turning point of the guide rack, the guide gear can swing relative to the waist-shaped groove.

[0010] According to some embodiments of the present invention, the second gear set includes a first gear, a second gear and a third gear that are meshed together in sequence, the first gear is also meshed together with the second worm, the guide gear and the third gear are coaxially arranged, the guide gear moves synchronously with the third gear, and the guide gear moves synchronously with the third gear.

[0011] According to some embodiments of the present invention, the massager further includes an installation inner shell, which is arranged in the shell, the second rotating shaft is arranged in the installation inner shell, the installation inner shell is provided with an installation cavity, and the third gear and the second gear are located in the installation cavity.

[0012] According to some embodiments of the present invention, the moving mechanism also includes a one-way transmission component, which is connected between the second worm and the second end of the output shaft; when the output shaft of the drive motor rotates along the first direction, the one-way transmission component makes the second end of the output shaft and the second worm relatively fixed, and the second end of the output shaft can drive the second worm to rotate synchronously; when the output shaft of the drive motor rotates along the second direction, the one-way transmission component releases the relative fixation between the second end of the output shaft and the second worm, and the second worm remains stationary.

[0013] According to some embodiments of the present invention, the one-way transmission assembly includes a sleeve and a one-way bearing, the sleeve is fixedly mounted on the second end of the output shaft, the one-way bearing is fixed in the sleeve, and the second worm is connected to the one-way bearing; when the output shaft of the drive motor rotates along a first direction, the sleeve, the one-way bearing and the second worm are relatively fixed; when the output shaft of the drive motor rotates along a second direction, the sleeve and the one-way bearing rotate relative to the second worm, and the second worm remains stationary.

[0014] According to some embodiments of the present invention, the massage module includes a first worm and a first gear set, the first worm is connected to the first end of the output shaft and moves synchronously with the first end of the output shaft, and the first gear set is meshed with the first worm.

[0015] In summary, the reciprocating massager provided by the present invention has at least the following technical effects:

[0016] Only one drive motor is used to realize the massage operation of the massage module and the longitudinal movement of the massage module on the back, which greatly simplifies the movement structure, makes the overall volume of the massager smaller and the structure simpler and more compact, and at the same time reduces power consumption and improves energy utilization efficiency. This not only meets the user's demand for portability and space adaptability of the massager, but also conforms to the current development trend of electronic products pursuing lightweight and high efficiency. In addition, the runway-shaped guide rack design, on the one hand, allows the massage module to move back and forth along the two ends of the guide rack under the drive of the drive motor, effectively covering a wider area of ​​the user's back, including the hard-to-reach shoulders and neck. The waist position improves the comprehensiveness and comfort of the massage. On the other hand, through the engagement of the guide gear and the runway-shaped guide rack, the drive motor only needs to rotate continuously in one direction to guide the massage module to move back and forth between the two ends of the guide rack. The drive motor does not need to frequently rotate forward and reverse, which not only simplifies the complexity of the control system and reduces the control cost, but also improves the durability, stability and reliability of the system. On the other hand, the close engagement of the runway-shaped guide rack and the guide gear ensures the stability and accuracy of the massage module during movement, avoids the massage position deviation caused by structural looseness or transmission error, and ensures the accuracy and safety of the massage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the massager according to the first embodiment of the present utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the massager according to the first embodiment of the present invention (the seventh gear, the eighth gear and the upper shell are not shown);

[0019] Figure 3 This is a schematic diagram of the internal structure of the massager according to the first embodiment of the present invention (the seventh gear, the eighth gear and the upper shell are not shown);

[0020] Figure 4 This is a schematic diagram of the explosion structure of the massager according to the first embodiment of the present utility model;

[0021] Figure 5 This is an exploded structural diagram of the second worm, the second gear set, the guide gear, the one-way transmission assembly and the drive motor in the first embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of the lower shell of the first embodiment of the present utility model;

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the guide rack in the first embodiment of the present utility model;

[0024] Figure 8 This is a schematic diagram of the three-dimensional structure of the guide rack in the second embodiment of the present utility model;

[0025] The meanings of the reference numerals are as follows:

[0026] 1. Housing; 11. First sliding groove; 12. Waist-shaped groove; 13. Second sliding groove; 14. Rotating groove; 15. Upper housing; 16. Lower housing; 2. Massage module; 21. First worm; 22. First gear set; 221. Fourth gear; 222. Fifth gear; 223. Sixth gear; 224. Seventh gear; 225. Eighth gear; 3. Moving mechanism; 31. Guide rack; 311. Strip; 312. Teeth; 32. Guide gear; 33. First rotating shaft; 3 4. Second rotating shaft; 35. Fixed plate; 351. Guide groove; 36. Second worm; 361. Bushing; 37. Second gear set; 371. First gear; 372. Second gear; 373. Third gear; 38. Mounting inner shell; 381. First inner shell; 382. Second inner shell; 39. One-way transmission assembly; 391. Sleeve; 392. One-way bearing; 4. Drive motor; 41. Output shaft; 411. First end; 412. Second end; 5. Guide rail; 6. Support foot. DETAILED DESCRIPTION

[0027] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] The present invention will be further described in detail below with reference to the accompanying drawings.

[0031] Example 1

[0032] See also Figures 1 to 7 , this embodiment discloses a reciprocating massager, comprising a shell 1, a massage module 2, a moving mechanism 3, a drive motor 4 and a massage head (not shown); the massage module 2 is arranged in the shell 1; the moving mechanism 3 includes a guide rack 31 and a guide gear 32, the guide gear 32 is rotatably connected to the shell 1, the guide gear 32 is meshed with the guide rack 31, and the guide rack 31 is in the shape of a runway; the drive motor 4 is arranged in the shell 1, the first end 411 of the output shaft 41 is transmission-connected to the massage module 2 so that the massage module 2 drives the massage head to perform massage, the second end 412 of the output shaft 41 is transmission-connected to the guide gear 32, and the drive motor 4 can drive the guide gear 32 to rotate; wherein, the guide gear 32 can move along the guide rack 31 when it rotates, and driven by the guide gear 32, the shell 1 and the massage module 2 can reciprocate along the guide rack 31.

[0033] The reciprocating massager disclosed in this embodiment uses only one drive motor 4 to realize the massage operation of the massage module 2 and the longitudinal movement of the massage module 2 on the back, which greatly simplifies the movement structure, makes the overall volume of the massager more compact, and the structure more simple and compact, while reducing power consumption and improving energy utilization efficiency. This not only meets the user's demand for portability and space adaptability of the massager, but also conforms to the current development trend of electronic products pursuing lightweight and high efficiency. In addition, the runway-shaped guide rack 31 design, on the one hand, allows the massage module 2 to be driven by the drive motor 4 and reciprocate along the two ends of the guide rack 31, effectively covering a wider area of ​​the user's back, including difficult-to-reach areas. The shoulder, neck and waist positions reached are improved, which improves the comprehensiveness and comfort of the massage. On the other hand, through the engagement of the guide gear 32 with the runway-shaped guide rack 31, the drive motor 4 only needs to rotate continuously in one direction to guide the massage module 2 to move back and forth between the two ends of the guide rack 31. The drive motor 4 does not need to frequently rotate forward and reverse, which not only simplifies the complexity of the control system and reduces the control cost, but also improves the durability, stability and reliability of the system. On the other hand, the close engagement of the runway-shaped guide rack 31 with the guide gear 32 ensures the stability and accuracy of the massage module 2 during movement, avoids the massage position deviation caused by structural looseness or transmission error, and ensures the accuracy and safety of the massage.

[0034] like Figure 2 、 Figure 3 、 Figure 5 and Figure 7 As shown, preferably, in this embodiment, the moving mechanism 3 also includes a second rotating shaft 34 and a fixed plate 35, the second rotating shaft 34 is arranged on the shell 1, the guide gear 32 rotates around the second rotating shaft 34, the guide rack 31 is arranged on the fixed plate 35, and the fixed plate 35 is also provided with a guide groove 351, the extension direction of the guide groove 351 is the same as the extension direction of the guide rack 31, one end of the second rotating shaft 34 is inserted into the guide groove 351 and can move along the guide groove 351. In this way, the second rotating shaft 34 is arranged in the shell 1, and the guide gear 32 rotates around the second rotating shaft 34, ensuring that the guide gear 32 can move smoothly and accurately along the guide rack 31, and the extension direction of the guide groove 351 is the same as the extension direction of the guide rack 31. This design ensures that the guide gear 32 can move accurately along the guide rack 31 during the movement process. The precise size and shape of the guide groove 351 enable the second rotating shaft 34 to always maintain correct engagement with the guide rack 31 during movement, thereby avoiding position offset due to transmission error.

[0035] like Figure 3 and Figure 7As shown, specifically, in this embodiment, the guide rack 31 includes a long strip 311 and teeth 312, and the long strip 311 is in a runway shape; preferably, in this embodiment, the teeth 312 are arranged on the inner ring of the long strip 311, and the guide groove 351 is surrounded by the long strip 311. In this way, the teeth 312 are arranged on the inner ring of the elongated body 311 and mesh with the teeth of the guide gear 32 to realize the rotation and movement of the guide gear 32. In this embodiment, the guide groove 351 is surrounded by the elongated body 311, that is, the guide groove 351 is located on the inner side or near the elongated body 311. This design enables the second rotating shaft 34 and the guide gear 32 rotating around it to always remain on the inner side of the elongated body 311 during the movement, thereby avoiding unstable movement caused by external interference. That is, the design of the guide groove 351 and the elongated body 311 jointly limit the movement range of the second rotating shaft 34 and the guide gear 32 rotating around it, thereby improving the stability of the massager during movement.

[0036] like Figure 3 、 Figure 4 and Figure 5 As shown, preferably, in this embodiment, the moving mechanism 3 also includes a second worm 36 and a second gear set 37. The second worm 36 is connected to the second end 412 of the output shaft 41 and rotates synchronously with the second end 412 of the output shaft 41. The second gear set 37 is respectively connected to the second worm 36 and the guide gear 32. In this way, the second worm 36 is connected to the second end 412 of the output shaft 41 of the drive motor 4 and rotates synchronously with the second end 412 of the output shaft 41. This design enables the second worm 36 to directly receive power from the drive motor 4 and transmit it to subsequent transmission components. In addition, the second worm 36 adopts the worm and worm gear transmission principle and has the characteristics of self-locking and a large transmission ratio. This means that when the drive motor 4 stops working, the second worm 36 can maintain its current position unchanged, preventing the massager from accidentally moving due to external interference. At the same time, the large transmission ratio also helps to improve the massager's movement. stability and accuracy during movement; in addition, the second gear set 37 is respectively connected to the second worm 36 and the guide gear 32. This design realizes smooth and precise transmission from the second worm 36 to the guide gear 32. By adjusting the transmission ratio of the second gear set 37, the speed and acceleration of the massager during movement can be further optimized to meet the needs of different users. Moreover, the second gear set 37 adopts precision-machined gear components to ensure that noise and wear during transmission are minimized. At the same time, the layout of the gear set also needs to be carefully designed to ensure the compactness and aesthetics of the overall structure.

[0037] like Figure 2 、 Figure 4 and Figure 6As shown, preferably, in this embodiment, the shell 1 is provided with a first sliding groove 11 and a waist-shaped groove 12; the shell 1 is slidingly connected to the fixed plate 35 through the first sliding groove 11, and the guide gear 32 extends out of the shell 1 from the waist-shaped groove 12. When the guide gear 32 moves to the turning point of the guide rack 31, the guide gear 32 can swing relative to the waist-shaped groove 12. Thus, on the one hand, a first sliding groove 11 is provided on the shell 1, which is used to be slidably connected to the fixed plate 35. This design enables the fixed plate 35 to slide smoothly along the sliding groove during the movement of the massager, thereby driving the massage module 2 to reciprocate. Through the sliding connection between the first sliding groove 11 and the fixed plate 35, the massager can move back and forth smoothly in the shell 1. This sliding connection method has the advantages of simple structure, easy implementation and stable transmission. On the other hand, when the guide gear 32 moves to the turning point of the guide rack 31, due to the change in the direction of the rack, the guide gear 32 needs to swing relative to the waist groove 12 to adapt to the change of the rack. This swinging function is achieved by the width of the waist groove 12 and the axial position of the guide gear 32. The width of the waist groove 12 is large enough so that the guide gear 32 will not interfere with the shell 1 when swinging. At the same time, the axial position of the guide gear 32 is also carefully designed to ensure that it can maintain a meshing relationship with the guide rack 31 during the swinging process.

[0038] like Figure 2 、 Figure 4 and Figure 6 As shown, preferably, in this embodiment, the shell 1 is further provided with a second sliding groove 13, and the massager also includes a guide rail 5. The shell 1 is slidingly connected to the guide rail 5 through the second sliding groove 13. Through the precise sliding connection and the design of the guide rail 5, the massager can be precisely positioned at different positions to ensure the accuracy and effect of the massage.

[0039] like Figure 4 、 Figure 5 and Figure 6 As shown, preferably, in this embodiment, the shell 1 is further provided with a rotation groove 14, and the end of the second worm 36 is provided with a shaft sleeve 361, which is located in the rotation groove 14. The cooperation between the shaft sleeve 361 and the rotation groove 14 can provide guidance for the rotation of the second worm 36, which helps to extend the service life of the massager by reducing friction and vibration.

[0040] like Figure 2 、 Figure 3 and Figure 5As shown, preferably, in this embodiment, the second gear set 37 includes a first gear 371, a second gear 372 and a third gear 373 that are meshed together in sequence, the first gear 371 is also meshed together with the second worm 36, the guide gear 32 and the third gear 373 are both rotatably connected to the second shaft 34, and the guide gear 32 moves synchronously with the third gear 373. In this way, the second gear set 37 includes a first gear 371, a second gear 372 and a third gear 373 that are meshed and connected in sequence. Specifically, the first gear 371 is meshed and connected with the second worm gear 36 to receive power from the drive motor 4. Subsequently, the power is transmitted to the second gear 372 through the first gear 371, and then to the third gear 373 by the second gear 372. This design ensures the smooth and continuous transmission of power from the second worm gear 36 to the guide gear 32. The guide gear 32 and the third gear 373 are both rotatably connected to the second rotating shaft 34, which means that the guide gear 32 not only meshes with the guide rack 31 for transmission, but can also move synchronously with the third gear 373 to ensure the accuracy and stability of the transmission. In this way, the fine design of the second gear set 37 ensures the smooth and efficient transmission of power from the second worm gear 36 to the guide gear 32, reduces energy loss, and, through the close meshing and linkage relationship between the gears, improves the stability of the massager during movement, reduces vibration and noise.

[0041] Specifically, in this embodiment, the guide gear 32 is provided with a shaft hole, and the third gear 373 is provided with a shaft block, which is inserted into the shaft hole to achieve relative position fixation of the guide gear 32 and the third gear 373 .

[0042] Specifically, in this embodiment, the first gear 371 and the second gear 372 are both double gears, and the first gear 371 has a helical tooth portion that is meshed and connected with the second worm 36 .

[0043] It should be noted that, in some other embodiments, the second gear set 37 may also include, but is not limited to, 4, 5, 6, or 7 gears, which can be selected according to actual conditions and is not limited here.

[0044] like Figure 4 and Figure 5 As shown, preferably, in this embodiment, the massager further includes an inner mounting housing 38, which is disposed within the housing 1. The second rotating shaft 34 is disposed within the inner mounting housing 38. The inner mounting housing 38 is provided with a mounting cavity, and the third gear 373 and the second gear 372 are located within the mounting cavity. Thus, the inner mounting housing 38 is disposed within the housing 1 and is provided with a mounting cavity for accommodating transmission components such as the third gear 373 and the second gear 372, thereby accommodating and protecting the transmission components of the massager. This design not only improves the overall structural stability of the massager but also helps reduce the impact of external interference on the transmission components.

[0045] Specifically, in this embodiment, the moving mechanism 3 also includes a first rotating shaft 33, the first rotating shaft 33 is set in the shell 1, the first gear 371 is connected to the first rotating shaft 33 and rotates around the first rotating shaft 33, and the rotating shaft of the second gear 372 is set in the above-mentioned mounting inner shell 38.

[0046] like Figure 3 、 Figure 4 and Figure 5 As shown, further, in this embodiment, the moving mechanism 3 also includes a one-way transmission assembly 39, which is connected between the second worm gear 36 and the second end 412 of the output shaft 41. When the output shaft 41 of the drive motor 4 rotates in the first direction, the one-way transmission assembly 39 relatively fixes the second end 412 of the output shaft 41 and the second worm gear 36, and the second end 412 of the output shaft 41 can drive the second worm gear 36 to rotate synchronously. When the output shaft 41 of the drive motor 4 rotates in the second direction, the one-way transmission assembly 39 releases the relative fixation between the second end 412 of the output shaft 41 and the second worm gear 36, and the second worm gear 36 remains stationary. In this way, the massage module 2 can not only reciprocate along the guide rack 31, but also maintain its position after adjustment, thereby performing a precise massage operation.

[0047] Specifically, the output shaft 41 of the drive motor 4 is capable of rotating in two opposite directions (a first direction and a second direction). When the output shaft 41 rotates in the first direction, the output shaft 41 can drive the second worm 36 to rotate synchronously, thereby achieving the purpose of adjusting the position of the massage module 2. During this process, the massage module 2, driven by the drive motor 4, reciprocates along the guide rack 31 to find a suitable massage position. When the output shaft 41 rotates in the second direction, the second end 412 of the output shaft 41 cannot drive the second worm 36 to move synchronously. At this time, the second worm 36 remains stationary, thereby achieving the purpose of locking the massage module 2 in the suitable massage position. Moreover, the first end 411 of the output shaft 41 can still drive the massage module 2 and the massage head to perform massage. More specifically, in this embodiment, the first direction is clockwise and the second direction is counterclockwise, or the first direction is counterclockwise and the second direction is clockwise.

[0048] like Figure 5As shown, preferably, in this embodiment, the one-way transmission assembly 39 includes a sleeve 391 and a one-way bearing 392. The sleeve 391 is fixedly mounted on the second end 412 of the output shaft 41, the one-way bearing 392 is fixed in the sleeve 391, and the second worm 36 is connected to the one-way bearing 392. When the output shaft 41 of the drive motor 4 rotates in the first direction, the sleeve 391, the one-way bearing 392, and the second worm 36 are relatively fixed. When the output shaft 41 of the drive motor 4 rotates in the second direction, the sleeve 391 and the one-way bearing 392 can rotate relative to the second worm 36, while the second worm 36 remains stationary. In this way, when the output shaft 41 of the drive motor 4 rotates in the first direction, the sleeve 391, the one-way bearing 392, and the second worm 36 are relatively fixed. At this time, the second end 412 of the output shaft 41 drives the second worm 36 to rotate synchronously through the sleeve 391 and the one-way bearing 392, thereby adjusting the position of the massage module 2 through the moving mechanism 3. When the output shaft 41 of the drive motor 4 rotates in the second direction, the sleeve 391 and the one-way bearing 392 rotate relative to the second worm 36. However, the special structure of the one-way bearing 392 prevents the second worm 36 from rotating with the sleeve 391 and the one-way bearing 392. Therefore, the second worm 36 remains stationary, and the position of the massage module 2 remains unchanged, ready for the next massage operation. In this way, the massager of this embodiment combines the functional features of automatic movement, precise positioning, and massage operation, meeting the diverse user needs for massager functions. These optimization measures not only improve the overall performance of the massager but also enhance its market competitiveness.

[0049] It should be noted that, in some other embodiments, the one-way transmission assembly 39 may also be, but is not limited to, a one-way clutch.

[0050] like Figure 1 and Figure 4 As shown, preferably, in this embodiment, the massage module 2 includes a first worm 21 and a first gear set 22. The first worm 21 is connected to the first end 411 of the output shaft 41 and moves synchronously with the first end 411 of the output shaft 41. The first gear set 22 is meshed with the first worm 21. The first gear set 22 is also transmission-connected to the massage head to drive the massage head. In this way, the massage module 2 includes the first worm 21 and the first gear set 22. The first worm 21 is connected to the first end 411 of the output shaft 41 and moves synchronously with the first end 411 of the output shaft 41. In this way, when the output shaft 41 rotates in the first direction or the second direction, the first worm 21 will also rotate accordingly. The first gear set 22 is meshed with the first worm 21. Through the transmission principle of the worm gear, the rotational motion of the first worm 21 is converted into the rotational motion of the first gear set 22. In addition, the first gear set 22 is also connected to the massage head through transmission. The power is transmitted to the massage head through the transmission of the first gear set 22, causing it to vibrate, rotate and other movements, thereby achieving a massage operation for the user.

[0051] like Figure 1 、 Figure 3 and Figure 4 As shown, specifically, in this embodiment, the first gear set 22 includes a fourth gear 221, a fifth gear 222, a sixth gear 223, a seventh gear 224, and an eighth gear 225, which are sequentially meshed and connected. The fourth gear 221 is also meshed and connected to the first worm gear 21. The fifth gear 222 and the eighth gear 225 are respectively connected to the two massage heads to drive the two massage heads to rotate. In this way, when the motor starts to operate, the worm gear transmits power to the fourth gear 221. The fourth gear 221 meshes with the fifth gear 222, transmitting power to the fifth gear 222. Subsequently, the power is transmitted to the eighth gear 225 through the sixth gear 223 and the seventh gear 224. The fifth gear 222 and the eighth gear 225 are respectively connected to the two massage heads, and the rotation of the gears drives the massage heads to perform a massage action. In this way, through the meshing connection of multiple gears, smooth transmission of power and rotation of the massage head are achieved while maintaining the compactness of the structure. Moreover, since the meshing connection between the gears has high precision and stability, smooth transmission of power can be ensured to avoid jamming or stalling. In addition, through the rotation of the two massage heads, the human body can be massaged in all directions, improving the massage effect and comfort.

[0052] like Figure 4 As shown, specifically, in this embodiment, the massager further includes a plurality of supporting legs 6 , which are connected to the housing 1 .

[0053] like Figure 4 As shown, specifically, in this embodiment, the housing 1 includes an upper shell 15 and a lower shell 16 that are detachably connected. The upper shell 15 and the lower shell 16 constitute the housing 1 when connected.

[0054] like Figure 5 As shown, specifically, in this embodiment, the installation inner shell 38 includes a first inner shell 381 and a second inner shell 382 that are detachably connected. When the first inner shell 381 and the second inner shell 382 are connected, the installation inner shell 38 is formed.

[0055] Example 2

[0056] like Figure 8 As shown, the main difference between this embodiment and the first embodiment is that the teeth 312 are arranged on the outer ring of the elongated body 311, and the elongated body 311 is surrounded by the guide groove 351. In this way, the teeth 312 are arranged on the outer ring of the elongated body 311 and matched with the guide groove 351, which helps to optimize the transmission efficiency. This design reduces the energy loss during the transmission process, making the massager run more smoothly and powerfully.

[0057] In summary, the reciprocating massager disclosed in the present invention can at least bring the following beneficial technical effects:

[0058] 1) Only one drive motor 4 is used to realize the massage operation of the massage module 2 and the longitudinal movement of the massage module 2 on the back, which greatly simplifies the movement structure, makes the overall volume of the massager more compact, and has a simpler and more compact structure. At the same time, it reduces power consumption and improves energy efficiency.

[0059] 2) The massage module 2 can be driven by the drive motor 4 to reciprocate along the two ends of the guide rack 31, effectively covering a wider area of ​​the user's back, including the hard-to-reach neck and waist areas, thereby improving the comprehensiveness and comfort of the massage;

[0060] 3) Through the meshing of the guide gear 32 and the racetrack-shaped guide rack 31, the drive motor 4 only needs to rotate continuously in one direction to guide the massage module 2 to move back and forth between the two ends of the guide rack 31. The drive motor 4 does not need to frequently rotate forward and reverse, which not only simplifies the complexity of the control system but also reduces the control cost;

[0061] 4) The tight engagement between the runway-shaped guide rack 31 and the guide gear 32 ensures the stability and accuracy of the massage module 2 during movement, avoids massage position deviation caused by structural looseness or transmission error, and ensures the accuracy and safety of the massage.

[0062] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A reciprocating massager, characterized in that: include: Housing (1); A massage module (2) is provided on the housing (1); The moving mechanism (3) includes a guide rack (31) and a guide gear (32), wherein the guide gear (32) is rotatably connected to the housing (1), the guide gear (32) and the guide rack (31) are meshed and connected, and the guide rack (31) is in a racetrack shape; A drive motor (4) is provided in the housing (1), and the drive motor (4) has an output shaft (41). The first end (411) of the output shaft (41) is in transmission connection with the massage module (2), and the second end (412) of the output shaft (41) is in transmission connection with the guide gear (32). The drive motor (4) can drive the guide gear (32) to rotate; wherein, when the guide gear (32) rotates, it can move along the guide rack (31). Driven by the guide gear (32), the housing (1) and the massage module (2) can move back and forth along the guide rack (31).

2. The reciprocating massager according to claim 1, characterized in that: The moving mechanism (3) further comprises a second rotating shaft (34) and a fixed plate (35), wherein the second rotating shaft (34) is arranged on the housing (1), the guide gear (32) rotates around the second rotating shaft (34), the guide rack (31) is arranged on the fixed plate (35), and the fixed plate (35) is further provided with a guide groove (351), the extension direction of the guide groove (351) is the same as the extension direction of the guide rack (31), and one end of the second rotating shaft (34) is inserted into the guide groove (351) and can move along the guide groove (351).

3. The reciprocating massager according to claim 2, characterized in that: The guide rack (31) comprises a long strip (311) and teeth (312), and the long strip (311) is in a runway shape; The teeth (312) are arranged on the inner ring of the elongated body (311), and the guide groove (351) is surrounded by the elongated body (311); alternatively, the teeth (312) are arranged on the outer ring of the elongated body (311), and the elongated body (311) is surrounded by the guide groove (351).

4. The reciprocating massager according to claim 2, characterized in that: The moving mechanism (3) further comprises a second worm (36) and a second gear set (37). The second worm (36) is connected to the second end (412) of the output shaft (41) and rotates synchronously with the second end (412) of the output shaft (41). The second gear set (37) is respectively connected to the second worm (36) and the guide gear (32).

5. The reciprocating massager according to claim 4, characterized in that: The housing (1) is provided with a first sliding groove (11) and a waist-shaped groove (12); the housing (1) is slidably connected to the fixed plate (35) via the first sliding groove (11); the guide gear (32) extends out of the housing (1) from the waist-shaped groove (12); when the guide gear (32) moves to the turning point of the guide rack (31), the guide gear (32) can swing relative to the waist-shaped groove (12).

6. The reciprocating massager according to claim 5, characterized in that: The second gear set (37) includes a first gear (371), a second gear (372) and a third gear (373) that are meshed and connected in sequence. The first gear (371) is also meshed and connected with the second worm (36). The guide gear (32) and the third gear (373) are coaxially arranged, and the guide gear (32) moves synchronously with the third gear (373).

7. The reciprocating massager according to claim 6, characterized in that: The massager further comprises an installation inner shell (38), wherein the installation inner shell (38) is arranged in the housing (1), the second rotating shaft (34) is arranged in the installation inner shell (38), the installation inner shell (38) is provided with an installation cavity, and the third gear (373) and the second gear (372) are located in the installation cavity.

8. The reciprocating massager according to claim 4, characterized in that: The moving mechanism (3) further comprises a one-way transmission assembly (39), wherein the one-way transmission assembly (39) is connected between the second worm (36) and the second end (412) of the output shaft (41); when the output shaft (41) of the driving motor (4) rotates in a first direction, the one-way transmission assembly (39) causes the second end (412) of the output shaft (41) and the second worm (36) to be relatively fixed, and the second end (412) of the output shaft (41) can drive the second worm (36) to rotate synchronously; when the output shaft (41) of the driving motor (4) rotates in a second direction, the one-way transmission assembly (39) releases the relative fixation between the second end (412) of the output shaft (41) and the second worm (36), and the second worm (36) remains stationary.

9. The reciprocating massager according to claim 8, characterized in that: The one-way transmission assembly (39) comprises a sleeve (391) and a one-way bearing (392); the sleeve (391) is fixedly sleeved on the second end (412) of the output shaft (41); the one-way bearing (392) is fixed in the sleeve (391); and the second worm (36) is connected to the one-way bearing (392); when the output shaft (41) of the drive motor (4) rotates in a first direction, the sleeve (391), the one-way bearing (392) and the second worm (36) are relatively fixed; when the output shaft (41) of the drive motor (4) rotates in a second direction, the sleeve (391) and the one-way bearing (392) rotate relative to the second worm (36), and the second worm (36) remains stationary.

10. The reciprocating massager according to any one of claims 1 or 2 or 3 or 5 or 6 or 7 or 8 or 9, characterized in that: The massage module (2) comprises a first worm (21) and a first gear set (22); the first worm (21) is connected to the first end (411) of the output shaft (41) and moves synchronously with the first end (411) of the output shaft (41); the first gear set (22) and the first worm (21) are meshed and connected.

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