Telescopic rotary massage device

Abstract

The utility model discloses a telescopic rotary massage device which comprises a first massage cylinder, a second massage cylinder and a massage driving mechanism, and the first massage cylinder and the second massage cylinder are connected with a rotary driving part and a telescopic driving part of the massage driving mechanism respectively so as to drive the first massage cylinder and the second massage cylinder to rotate and stretch respectively. The first massage cylinder and the second massage cylinder are coaxially arranged and located on one outer side of the massage driving mechanism in a suspended state, and at least one holding piece is arranged on each of the two opposite sides of the massage driving mechanism. The first massage cylinder and the second massage cylinder are arranged beside the driving mechanism for driving the first massage cylinder and the second massage cylinder to rotate and stretch out and draw back, so that the size of the massage device is greatly reduced, meanwhile, the holding piece is arranged so that an uninjured hand can hold the massage device conveniently, and therefore the massage device is convenient to use with a single hand.

Description

Technical Field

[0001] This utility model belongs to the technical field of health care equipment that promotes blood circulation, and specifically relates to a telescopic rotary massage device. Background Technology

[0002] Currently, when the palm is injured and has undergone surgery with extensive bandaging, finger movement is reduced, leading to problems such as nerve numbness or poor blood circulation. As a result, people often need to go to the hospital for manual finger massage. However, each hospital massage is expensive and quite inconvenient for people with limited mobility. Therefore, an automatic finger massage device has been developed, such as the negative pressure massager with Chinese patent announcement number CN217489221U. However, this massager has a long cylindrical structure, making it bulky and inconvenient to use, so there is an urgent need for improvement. Utility Model Content

[0003] This utility model is a telescopic rotary massage device designed to address the shortcomings of the aforementioned technical problems.

[0004] The telescopic and rotary massage device designed in this utility model includes a first massage cylinder, a second massage cylinder, and a massage drive mechanism. The first and second massage cylinders are respectively connected to the rotation drive part and the telescopic drive part of the massage drive mechanism to drive the first and second massage cylinders to perform rotation and telescopic movements, respectively. The first and second massage cylinders are coaxially arranged and suspended in a suspended state on one side of the massage drive mechanism. At least one gripping member is provided on each of the opposite sides of the massage drive mechanism.

[0005] According to the telescopic rotary massage device described above, the massage drive mechanism includes a housing, and a motor, a first gear, a second gear, a third gear, a displacement member, and a linear guide member housed within the housing; the first gear, the second gear, and the third gear mesh with each other, the first gear is mounted on the rotating shaft of the motor, and the annular meshing teeth on the first massage cylinder at least partially pass through the housing and mesh with the third gear; an eccentric shaft is provided on the first gear, the linear guide member is fixed to the inner wall of the housing, the linear guide member is arranged along the telescopic direction of the second massage cylinder and slides with the displacement member, the connecting part of the displacement member passes through an elongated hole on the outer side of the housing and connects to the second massage cylinder, the bottom end of the displacement member is provided with an elongated groove, and the eccentric shaft is placed in the elongated groove.

[0006] According to the telescopic rotary massage device described above, the number of linear guide members is set to two, the displacement member includes a driving part and two sliding parts, the two sliding parts are respectively located on opposite sides of the first massage cylinder, and each sliding part is connected to the driving part through a connecting piece, the elongated groove is provided on the bottom surface of the driving part, each sliding part is slidably engaged with the two linear guide members, and the connecting part of each sliding part passes through an elongated hole on one outer side of the outer shell and is connected to the second massage cylinder.

[0007] According to the telescopic rotary massage device described above, the massage drive mechanism further includes an inner shell fixed inside the outer shell. The first gear, the second gear, and the third gear are all located on one outer side of the inner shell. The motor is disposed in the inner cavity of the inner shell, and its rotating shaft passes through the inner shell and is connected to the first gear. The second gear and the third gear are respectively rotatably mounted on one outer side of the inner shell via rotating shafts.

[0008] According to the telescopic rotary massage device described above, a bracket is fixedly installed on one outer side of the inner shell, which is located above the second gear and the third gear, and the upper ends of the rotating shafts on the second gear and the third gear are rotatably connected to the bracket.

[0009] According to the telescopic rotary massage device described above, a positioning ring is fitted around the outer periphery of the first massage cylinder, and a baffle is provided above the first massage cylinder, the baffle being connected to the outer shell; first insertion portions are respectively provided on opposite sides of the positioning ring, and second insertion portions are provided on the bracket and the baffle; the first insertion portions and the second insertion portions are mutually inserted and fitted; the first insertion portion is a plug and the second insertion portion is a sleeve, or the first insertion portion is a sleeve and the second insertion portion is a plug; the plug engages with the sleeve.

[0010] According to the telescopic rotary massage device described above, fixed parts are respectively provided on opposite sides of the positioning ring, and support columns are respectively provided on the inner shell or the inner wall of the outer shell to support each fixed part. The two ends of the linear guide are respectively inserted into the insertion groove of the inner wall of the outer shell and the insertion groove of the fixed part.

[0011] According to the telescopic rotary massage device described above, the outer periphery of the first massage cylinder is provided with an annular groove, and the positioning ring is located in the annular groove.

[0012] According to the telescopic rotary massage device described above, an elongated recess is provided on one outer side of the outer shell along the telescopic direction of the second massage cylinder, so that the two ends of the outer shell located in the telescopic direction of the second massage cylinder are connected. Elongated holes along the telescopic direction of the second massage cylinder are respectively provided on opposite sides of the elongated recess, and the first massage cylinder and the second massage cylinder are at least partially located in the elongated recess.

[0013] According to the telescopic rotary massage device described above, the outer shell includes an upper shell, a lower shell, and a curved supplementary piece. One side of the upper shell is a sliding side of the massage body, which has a recess and a notch located in the recess and adapted to the curved supplementary piece. The curved supplementary piece is installed at the notch and is connected to the upper shell or the lower shell. Elongated holes are formed between the opposite sides of the curved supplementary piece and the opposite sides of the notch, so that the connecting parts of the displacement member pass through the corresponding elongated holes and connect to the second massage cylinder. The lower shell covers the inner shell and is spliced ​​and fixed to the upper shell. The grip is shaped like a "7". The lateral part of the grip is connected to the upper shell or the lower shell. The upper shell or the grip is provided with control buttons. The first massage cylinder and the second massage cylinder both include a ring and a massage soft sleeve installed in the ring. The ring of the second massage cylinder is connected to the connecting part of the displacement member. The ring of the first massage cylinder is provided with an annular groove and annular meshing teeth.

[0014] The telescopic and rotary massage device designed in this utility model utilizes the placement of the first and second massage cylinders on the side of the drive mechanism that drives them to rotate and extend, thereby significantly reducing the size of the massage device. At the same time, it is equipped with a grip to facilitate the use of the massage device by an uninjured hand, making it more convenient for single-handed use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the massage device;

[0016] Figure 2 A schematic cross-sectional view of the overall structure of the massage device;

[0017] Figure 3 A schematic diagram of the specific mechanisms inside the housing of the mounting device;

[0018] Figure 4 An exploded view of the overall structure of the massage device;

[0019] Figure 5 A schematic diagram of the structure where the annular meshing teeth pass through the outer shell;

[0020] Figure 6 This is an exploded view of the inner shell section;

[0021] Figure 7 This is a partial structural diagram of the displacement component;

[0022] Figure 8 A schematic diagram of the structure combining the inner shell and the upper shell;

[0023] Figure 9 This is a schematic diagram of the internal structure of the upper shell;

[0024] Figure 10 This is a schematic diagram of the structure of the curved supplement sheet.

[0025] Labels: 1. Massage drive mechanism; 2. First massage cylinder; 3. Second massage cylinder; 4. Motor; 5. First gear; 6. Second gear; 7. Third gear; 8. Annular meshing gear; 9. Support;

[0026] 11. Displacement component; 12. Linear guide component; 13. Positioning ring; 14. Baffle; 15. Battery; 16. Inner shell; 17. Control button; 18. Grip component; 21. Ring; 22. Massage soft sleeve; 23. Flexible protrusion;

[0027] 10. Outer shell; 51. Eccentric shaft; 100. Elongated recess; 101. Upper shell; 102. Lower shell; 103. Recess; 104. Notch; 105. Curved supplementary piece; 111. Driving part; 112. Connecting piece; 113. Sliding part; 114. Connecting part; 115. Elongated groove; 131. First insertion part; 132. Fixing part; 141. Second insertion part; 161. Half shell; 162. Connecting plate; 211. Annular groove. Detailed Implementation

[0028] To enable those skilled in the art to better understand this utility model and to more clearly define the scope of protection claimed by this utility model, the present utility model is described in detail below with reference to certain specific embodiments. It should be noted that the following are only some specific embodiments of the present utility model, and the specific and direct descriptions of related structures are merely for the convenience of understanding the present utility model; the specific features do not necessarily or directly limit the scope of implementation of the present utility model. Conventional choices and substitutions made by those skilled in the art under the guidance of the present utility model should all be considered within the scope of protection claimed by this utility model.

[0029] like Figures 1-9As shown, the telescopic rotary massage device described in this embodiment includes a first massage cylinder 2, a second massage cylinder 3, and a massage drive mechanism 1. The massage drive mechanism 1 includes a housing 10, and a motor 4, a first gear 5, a second gear 6, a third gear 7, a displacement member 11, and a linear guide 12 housed within the housing 10. The first gear 5, the second gear 6, and the third gear 7 mesh with each other. The first gear 5 is mounted on the rotating shaft of the motor 4. The annular meshing teeth 8 on the first massage cylinder 2 at least partially pass through the housing 10 and mesh with the third gear 7. An eccentric shaft 51 is provided on the first gear 5. The guide member 12 is fixed to the inner wall of the outer shell 10. The linear guide member 12 is arranged along the extension and retraction direction of the second massage cylinder 3 and slides with the displacement member 11. The connecting part 114 of the displacement member 11 passes through an elongated hole on one side of the outer shell 10 and is connected to the second massage cylinder 3. An elongated groove 115 is provided at the bottom end of the displacement member 11, and the eccentric shaft 51 is placed in the elongated groove 115. The first massage cylinder 2 and the second massage cylinder 3 are coaxially arranged and are suspended in a state on one side of the massage drive mechanism 1. At least one grip member 18 is provided on each of the opposite sides of the massage drive mechanism 1. The motor 4 drives the first gear 5 to rotate, which in turn drives the eccentric shaft 51 to make a circular motion. This causes the displacement member 11 to make a reciprocating motion under the guidance of the elongated groove 115. At the same time, the first gear 5, the second gear 6, the third gear 7 and the annular meshing teeth 8 mesh with each other to drive the first massage cylinder 2 to rotate. Thus, after the first massage cylinder 2 and the second massage cylinder 3 are connected to the rotation drive part and the extension drive part of the massage drive mechanism 1 respectively, the first massage cylinder 2 and the second massage cylinder 3 make rotation and extension movements respectively to massage the fingers placed in the first massage cylinder 2 and the second massage cylinder 3. The first gear 5, the second gear 6, and the third gear 7.

[0030] Preferably, both the first massage cylinder 2 and the second massage cylinder 3 include a ring 21 and a massage soft sleeve 22 installed inside the ring 21. The ring 21 is made of plastic, and the massage soft sleeve is made of silicone. A flexible protrusion 23 is provided on its inner wall. During massage, the flexible protrusion 23 is in close contact with the outer wall of the finger. The ring 21 of the second massage cylinder 3 is connected to the connecting part 114 of the displacement member 11. The outer wall of the massage soft sleeve 22 is fixed to the inner wall of the ring 21 by a concave-convex fit. The first gear 5, the second gear 6 and the third gear 7 are made of plastic or metal.

[0031] In this embodiment, the number of linear guide members 12 is set to two. The displacement member 11 includes a driving part 111 and two sliding parts 113. The two sliding parts 113 are respectively located on opposite sides of the first massage cylinder 2, and each sliding part 113 is connected to the driving part 111 through a connecting piece 112. The elongated groove 115 is disposed on the bottom surface of the driving part 111. Each sliding part 113 is slidably engaged with the two linear guide members 12. The connecting part 114 of each sliding part 113 passes through an elongated hole on the outer side of the outer shell 10 and is connected to the second massage cylinder 3. The driving part 111 and the two connecting pieces 112 are integrated into a single structure. The sliding parts 113 are fixed to the connecting pieces 112 by means of a pin fitting in the slot. The two sliding parts 113 are integrated into the ring 21 of the second massage cylinder 3. The linear guide members 12 are set to two, so that the extension and retraction displacement of the second massage cylinder 3 can move more stably, improving the reliability of the massage device.

[0032] In this embodiment, the massage drive mechanism 1 further includes an inner shell 16 fixed inside the outer shell 10. The first gear 5, the second gear 6, and the third gear 7 are all located on one outer side of the inner shell 16. The motor 4 is disposed in the inner cavity of the inner shell 16, and its rotating shaft passes through the inner shell 16 and is connected to the first gear 5. The second gear 6 and the third gear 7 are respectively rotatably mounted on one outer side of the inner shell 16 via rotating shafts. A bracket 9 is fixedly installed on one outer side of the inner shell 16, partially located above the second gear 6 and the third gear 7. The upper ends of the rotating shafts on the second gear 6 and the third gear 7 are rotatably connected to the bracket 9. This structural arrangement makes the second gear 6 and the third gear 7 more reliable after installation.

[0033] Preferably, a battery 15 is installed in the battery slot of the inner shell 16, and the battery 15 supplies power to the motor 4. The inner shell 16 is composed of two half shells 161 that are spliced ​​and fixed together. A connecting plate 162 is provided on the outer wall of one half shell 161. The connecting plate 162 is connected and fixed to the inner wall of the outer shell 10 by bolts. The two half shells 161 are also made of plastic.

[0034] In this embodiment, a positioning ring 13 is fitted around the outer periphery of the first massage cylinder 2, and a baffle 14 is provided above the first massage cylinder 2, the baffle 14 being connected to the outer shell 10; first insertion portions 131 are respectively provided on opposite sides of the positioning ring 13, and second insertion portions 141 are provided on the bracket 9 and the baffle 14; the first insertion portions 131 and the second insertion portions 141 are mutually inserted and fitted; the first insertion portion 131 is a plug and the second insertion portion 141 is a sleeve, or the first insertion portion 131 is a sleeve and the second insertion portion 141 is a plug; the plug fits inside the sleeve; wherein, the first massage cylinder 2 is rotated and positioned within the positioning ring 13, thereby enabling the rotation of the first massage cylinder 2 to operate more stably, further improving the reliability of the rotational massage.

[0035] Furthermore, fixing parts 132 are respectively provided on opposite sides of the positioning ring 13, and support columns are provided on the inner shell 16 or the inner wall of the outer shell 10 to support each fixing part 132. The two ends of the linear guide 12 are respectively inserted into the insertion groove of the inner wall of the outer shell 10 and the insertion groove of the fixing part 132. Its structure realizes the support and positioning of the positioning ring 13, and at the same time assembles and fixes the linear guide 12, so that the positioning ring 13 and the linear guide 12 are installed relatively stably.

[0036] Preferably, the outer periphery of the first massage cylinder 2 is provided with an annular groove 211, and the positioning ring 13 is located within the annular groove 211, that is, the annular groove 211 and the annular meshing teeth 8 are provided on the ring sleeve 21 of the first massage cylinder 2. The annular groove 211 makes the rotation of the first massage cylinder 2 within the positioning ring 13 more stable.

[0037] In this embodiment, an elongated recess 100 is provided on one outer side of the outer shell 10 along the telescopic direction of the second massage cylinder 3, so that the two ends of the outer shell 10 located in the telescopic direction of the second massage cylinder 3 are through. Elongated holes along the telescopic direction of the second massage cylinder 3 are respectively provided on opposite sides of the elongated recess 100, and the first massage cylinder 2 and the second massage cylinder 3 are at least partially located in the elongated recess 100.

[0038] In this embodiment, the outer shell 10 includes an upper shell 101, a lower shell 102, and a curved supplementary piece 105. One side of the upper shell 101 is a sliding side of the massage body. The sliding side of the massage body has a recess 103 and a notch 104 located in the recess 103 and adapted to the curved supplementary piece 105. The curved supplementary piece 105 is installed at the notch 104. The annular meshing teeth 8 pass through the notch 104 and mesh with the third gear 7. The curved supplementary piece 105 is connected to the upper shell 101 or the lower shell 102 by bolts. Elongated holes are formed between the opposite sides of the curved supplementary piece 105 and the opposite sides of the notch 104, so that each connecting part 114 of the displacement member 11 passes through the corresponding elongated hole and connects to the second massage cylinder 3. The upper shell 101 and the lower shell 102 are both made of plastic.

[0039] After the lower shell 102 covers the inner shell 16, it is spliced ​​and fixed to the upper shell 101. The grip 18 is shaped like a "7". The horizontal part of the grip 18 is connected to the upper shell 101 or the lower shell 102. The grip 18 and the upper shell 101 or the lower shell 102 are an integral structure, or the grip 18 is fixed to the upper shell 101 or the lower shell 102 by fasteners.

[0040] Finally, a control button 17 is provided on the upper shell 101 or the grip 18, and a control board is also provided inside the inner shell 16 or the outer shell 10. A control chip is provided on the control board, and the control chip contains the program for the operation of the motor 4. The control button 17 and the motor 4 are respectively connected to and controlled by the control chip.

Claims

1. A telescopic rotary massage device, comprising a first massage cylinder (2), a second massage cylinder (3), and a massage drive mechanism (1), wherein the first massage cylinder (2) and the second massage cylinder (3) are respectively connected to the rotary drive part and the telescopic drive part of the massage drive mechanism (1) for driving the first massage cylinder (2) and the second massage cylinder (3) to perform rotational and telescopic movements respectively, characterized in that, The first massage cylinder (2) and the second massage cylinder (3) are coaxially arranged and suspended in the air on one side of the massage drive mechanism (1). At least one grip (18) is provided on each of the opposite sides of the massage drive mechanism (1).

2. The telescopic rotary massage device according to claim 1, characterized in that, The massage drive mechanism (1) includes a housing (10), and a motor (4), a first gear (5), a second gear (6), a third gear (7), a displacement member (11), and a linear guide member (12) placed inside the housing (10); The first gear (5), the second gear (6) and the third gear (7) mesh with each other. The first gear (5) is mounted on the shaft of the motor (4). The annular meshing teeth (8) on the first massage cylinder (2) at least partially pass through the outer shell (10) and mesh with the third gear (7). An eccentric shaft (51) is provided on the first gear (5). The linear guide (12) is fixed on the inner wall of the outer shell (10). The linear guide (12) is arranged along the extension and retraction direction of the second massage cylinder (3) and slides in cooperation with the displacement member (11). The connecting part (114) of the displacement member (11) passes through an elongated hole on the outer side of the outer shell (10) and is connected to the second massage cylinder (3). An elongated groove (115) is provided at the bottom end of the displacement member (11), and the eccentric shaft (51) is placed in the elongated groove (115).

3. The telescopic rotary massage device according to claim 2, characterized in that, The number of linear guides (12) is set to two. The displacement member (11) includes a driving part (111) and two sliding parts (113). The two sliding parts (113) are located on opposite sides of the first massage cylinder (2), and each sliding part (113) is connected to the driving part (111) through a connecting piece (112). The elongated groove (115) is provided on the bottom surface of the driving part (111). Each sliding part (113) slides with the two linear guides (12). The connecting part (114) of each sliding part (113) passes through an elongated hole on the outer side of the outer shell (10) and is connected to the second massage cylinder (3).

4. The telescopic rotary massage device according to claim 2, characterized in that, The massage drive mechanism (1) also includes an inner shell (16) fixed inside the outer shell (10). The first gear (5), the second gear (6) and the third gear (7) are all located on one side of the inner shell (16). The motor (4) is disposed in the inner cavity of the inner shell (16) and its shaft passes through the inner shell (16) and is connected to the first gear (5). The second gear (6) and the third gear (7) are respectively rotatably mounted on one side of the inner shell (16) via the shaft.

5. The telescopic rotary massage device according to claim 4, characterized in that, A bracket (9) is fixedly installed on one outer side of the inner shell (16), which is partially located above the second gear (6) and the third gear (7), and the upper ends of the shafts on the second gear (6) and the third gear (7) are rotatably connected to the bracket (9).

6. The telescopic rotary massage device according to claim 5, characterized in that, A positioning ring (13) is fitted around the outer periphery of the first massage cylinder (2), and a baffle (14) is provided above the first massage cylinder (2). The baffle (14) is connected to the outer shell (10). A first insertion part (131) is provided on each side of the positioning ring (13), and a second insertion part (141) is provided on the bracket (9) and the baffle (14). The first insertion part (131) and the second insertion part (141) are mutually inserted and fitted together. The first plug-in part (131) is a plug post, and the second plug-in part (141) is a sleeve, or the first plug-in part (131) is a sleeve and the second plug-in part (141) is a plug post; the plug post is fitted into the sleeve.

7. The telescopic rotary massage device according to claim 6, characterized in that, The positioning ring (13) has a fixing part (132) on each side. The inner shell (16) or the inner wall of the outer shell (10) is provided with a support column to support each fixing part (132). The two ends of the linear guide (12) are respectively inserted into the insertion groove of the inner wall of the outer shell (10) and the insertion groove of the fixing part (132).

8. The telescopic rotary massage device according to claim 6, characterized in that, The outer periphery of the first massage cylinder (2) is provided with an annular groove (211), and the positioning ring (13) is located in the annular groove (211).

9. The telescopic rotary massage device according to claim 6, characterized in that, An elongated recess (100) is provided on one outer side of the outer shell (10) along the extension and retraction direction of the second massage cylinder (3), so that the two ends of the outer shell (10) in the extension and retraction direction of the second massage cylinder (3) are through. Elongated holes along the extension and retraction direction of the second massage cylinder (3) are respectively provided on opposite sides of the elongated recess (100), and the first massage cylinder (2) and the second massage cylinder (3) are at least partially located in the elongated recess (100).

10. The telescopic rotary massage device according to claim 9, characterized in that, The outer shell (10) includes an upper shell (101), a lower shell (102), and a curved supplementary piece (105). One side of the upper shell (101) is a sliding side of the massage body. The sliding side of the massage body has a recess (103) and a notch (104) located in the recess (103) and adapted to the curved supplementary piece (105). The curved supplementary piece (105) is installed at the notch (104) and is connected to the upper shell (101) or the lower shell (102). An elongated hole is formed between the opposite sides of the curved supplementary piece (105) and the opposite sides of the notch (104), so that each connecting part (114) of the displacement member (11) passes through the corresponding elongated hole and connects to the second massage cylinder (3). The lower shell (102) covers the inner shell (16) and is then joined and fixed to the upper shell (101). The grip (18) is shaped like a "7". The horizontal connecting part (114) of the grip (18) is connected to the upper shell (101) or the lower shell (102). The upper shell (101) or the grip (18) is provided with control buttons (17). The first massage cylinder (2) and the second massage cylinder (3) both include a ring sleeve (21) and a massage soft sleeve (22) installed in the ring sleeve (21). The ring sleeve (21) of the second massage cylinder (3) is connected to the connecting part (114) of the displacement member (11). The ring sleeve (21) of the first massage cylinder (2) is provided with an annular groove (211) and an annular meshing teeth (8).

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