CN211326659U - massager - Google Patents

Abstract

The utility model discloses a massager, which belongs to the technical field of personal health care products and comprises a casing, a massage device and a power supply device, wherein the massage device and the power supply device are arranged in the casing, the massage device comprises a driving device, an actuating mechanism and a massage component, the outside of the actuating mechanism is provided with a casing, the head part of the casing is positioned in the casing and is rotationally connected with the casing, the top end of the casing is provided with a chute, the tail part of the casing penetrates out of the casing through the chute, a locking structure is arranged between the front side surface of the casing and the inner side surface of the casing, when the locking structure is in a locking state, the casing is fixed with the casing, when the locking structure is in an unlocking state, the casing can be rotationally adjusted around the casing to adapt to the requirements of different parts for massage, the driving device is positioned in the casing at the rear side of the casing and is fixedly connected with, the battery is electrically connected with the driving device through the switch module.

Description

massager

technical field

The utility model relates to the technical field of personal health care products, in particular to a massager.

Background technique

In today's increasingly fast-paced life, personal care is becoming ubiquitous, and after a long day, people use the simple device of a hand-held massager for a therapeutic massage to reduce stress. Traditional Hand-held massagers are generally fixed and cannot be changed in shape. They can only be used to massage a certain part of the body. It will be inconvenient to use when you need to massage other parts. This kind of massager will increase the cost.

Therefore, how to solve the problem that the massager in the prior art cannot change its shape and can only massage a certain part of the body has become a technical problem that those skilled in the art need to solve urgently.

Utility model content

The purpose of the utility model is to provide a massager to solve the problem that the hand-held massager in the prior art cannot change its shape.

The technical effects that can be produced by the preferred technical solutions among the technical solutions provided by the present invention are detailed in the following descriptions.

To achieve the above object, the utility model provides the following technical solutions:

The utility model provides a massager, comprising a casing, a massage device arranged at the head of the casing, and a power supply device arranged at the tail of the casing, wherein:

The massage device includes a drive device, an actuator and a massage assembly, the actuator is wrapped with a casing, the head of the casing is located in the casing and is rotatably connected with the casing, and the rotation axis is along the In the front and rear direction of the casing, the top end of the casing is provided with a chute along the circumferential direction of the casing, and the tail of the casing penetrates the casing through the chute and can slide along the casing. The slot slides, and a locking structure is provided between the front side of the casing and the inner side of the casing. When the locking structure is in a locked state, the casing and the casing are fixed. When the lock When the stop structure is in the unlocked state, the casing can rotate around the casing, the driving device is located on the rear side of the casing and is fixedly connected with the casing, and the driving end of the driving device passes through the casing The casing is connected with the actuator through transmission, and the massage assembly is penetrated through the bottom of the casing and connected to the actuator;

The power supply device includes a battery and a switch module, and the battery is electrically connected to the drive device through the switch module.

Preferably, the actuator is an eccentric wheel mechanism, including an eccentric wheel and a connecting rod, the center of the eccentric wheel is drivingly connected with the driving device, and one end of the connecting rod is rotatably connected with the eccentric shaft on the eccentric wheel , the other end of the connecting rod is connected with the massage assembly.

Preferably, the massage assembly includes a reciprocating shaft, a conversion head and a massage head, the top end of the reciprocating shaft is rotatably connected to the connecting rod, the outer side of the reciprocating shaft is slidably connected to the tail of the housing, and the sliding direction Along the axial direction of the reciprocating shaft, the conversion head is connected to the bottom end of the reciprocating shaft, and the massage head and the conversion head are detachably connected.

Preferably, the bottom end of the reciprocating shaft is provided with a first pin hole, the axis of the first pin hole is perpendicular to the axis of the reciprocating shaft, and the conversion head is provided with a pin hole coaxial with the first pin hole The second pin hole is aligned with the second pin hole and connected by a pin shaft.

Preferably, the massage head comprises a massage body, a massage head base arranged inside the massage body, and a bushing arranged inside the massage head base, and the outer side wall of the conversion head is provided with a line along the conversion head. A connecting protrusion extending radially, a downwardly extending connecting groove is provided on the top end face of the bushing corresponding to the connecting protrusion, and the connecting protrusion is inserted into the bushing along the connecting groove Inside, the lower part of the connecting groove is provided with a clamping groove extending in one direction along the circumferential direction of the inner side surface of the bushing, and the connecting protrusion enters the lower part of the connecting groove and then rotates into the clamping groove.

Preferably, the conversion head is a cylindrical structure with an open top, a first spring and a steel ball are provided between the bottom end of the reciprocating shaft and the bottom end of the conversion head, and a diameter smaller than the steel ball is provided at the bottom of the conversion head A diameter through hole, the diameter of the first spring is smaller than the diameter of the steel ball, the steel ball is located in the through hole, the first spring is located between the steel ball and the reciprocating shaft, and the bushing A gasket is arranged between the bottom and the base of the massage head, and when the conversion head is inserted into the bushing, the bottom surface of the conversion head is in contact with the gasket.

Preferably, the locking structure comprises a rotary button disposed between the front side of the casing and the casing, the rear side of the rotary button is provided with a first protrusion, and the front side of the casing is provided with a first protrusion. There is a first groove matched with the first protrusion, the center of the front side of the rotary button is provided with a button passing through the casing, and the front side of the rotary button is also provided with a plurality of rotating buttons along the The second protrusions are evenly distributed in the circumferential direction of the buttons, the position corresponding to the second protrusions on the casing is provided with a second groove that cooperates with the second protrusions, and the rotary button is connected to the shell. A second spring is arranged between the bodies. When the rotation button is pressed, the second protrusion is disengaged from the second groove, the locking structure is unlocked, and the housing is rotated. When the housing rotates When the second protrusion and the second groove are aligned again, the second spring drives the rotary button back to the locked state.

Preferably, the driving device is a motor.

Preferably, an installation plate fixedly connected to the casing is provided on the rear side of the casing, the motor is fixedly connected to the rear side of the installation plate and the driving end passes through the installation plate.

Preferably, an annular protrusion is disposed in the center of the front side of the mounting plate, the eccentric is disposed inside the annular protrusion, and a circular hole is disposed in the middle of the rear side of the housing. The inner side surface is slidably connected with the outer side surface of the annular protrusion.

The massager provided by the utility model has the following beneficial effects:

The utility model provides a massager, comprising a casing, a massage device and a power supply device. The massage device is arranged at the head of the casing, and the power supply device is arranged at the tail of the casing. The massage device includes a drive device, an executive mechanism and a massage assembly. , the outer part of the actuator is provided with a casing package, the head of the casing is arranged in the casing and is rotatably connected with the casing, the rotation axis is along the front and rear directions of the casing, and the top of the casing is provided with a sliding slide along the circumferential direction of the casing. The tail of the casing passes through the casing through the chute and can slide along the sliding groove. The driving device is located on the rear side of the casing and is fixedly connected with the casing. The assembly penetrates into the casing from the bottom of the casing and is connected to the actuator. A locking structure is arranged between the front side of the casing and the inner side of the casing. When the locking structure is in a locked state, the casing is fixed with the casing. When the locking structure is in an unlocked state, the casing can rotate around the casing. The above-mentioned power supply device includes a battery and a switch module. The battery is electrically connected to the drive device through the switch module. When in use, the switch module is manually operated. When the power is turned on, The driving device operates, and the massage device is driven by the actuator to massage. When different positions need to be massaged, the locking structure can be operated, and the locking structure can be adjusted to the unlocked state. Rotate the massage device to change the direction. When the direction is turned, the locking structure is operated to return to the locked state to perform massage. The massager provided by the present application can adjust the angle of the massage device, and can change the shape to adapt to the massage of different parts.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present application.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the external structure diagram of the massager shown in the embodiment of the present invention;

2 is an exploded view of the massager shown in the embodiment of the present utility model 1;

3 is an exploded view of the massager shown in the embodiment of the present utility model 2;

4 is an exploded view of the massager shown in the embodiment of the present utility model three;

5 is an exploded view of the massage assembly shown in the embodiment of the present invention;

6 is a cross-sectional view of a massage assembly shown in an embodiment of the present invention;

FIG. 7 is a structural diagram of a conversion head and a bushing according to an embodiment of the present invention.

In the figure: 1. Chassis; 2. Housing; 3. Chute; 4. Battery; 5. Switch module; 6. Eccentric wheel; 7. Connecting rod; 8. Eccentric shaft; 9. Reciprocating shaft; 10. Conversion head; 11, first pin hole; 12, second pin hole; 13, pin shaft; 14, massage body; 15, massage head base; 16, bushing; 17, connecting protrusion; 18, connecting groove; 19 20, the first spring; 21, the steel ball; 22, the gasket; 23, the rotary button; 24, the first protrusion; 25, the first groove; 26, the second protrusion; 27, the second concave 28, the second spring; 29, the motor; 30, the mounting plate; 31, the annular protrusion.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

Hereinafter, the embodiment will be described with reference to the drawings. In addition, the embodiments shown below do not have any limiting effect on the content of the utility model described in the claims. In addition, the whole content of the structure shown in the following embodiment is not limited to what is necessary for the solution of the invention described in the claim.

1 to 7, the massager provided by the present application includes a casing 1, a massage device and a power supply device. The casing 1 includes a short cylindrical head and a long cylindrical tail. The cylindrical surface of the head and the tail are The end faces are connected into an integrated structure, the massage device is arranged at the head of the casing 1, the power supply device is arranged at the tail of the casing 1, the massage device includes a driving device, an actuator and a massage component, the outer of the actuator is wrapped with a shell 2, the shell The body 2 includes a short cylindrical head and a tail extending in the radial direction of the head. The head and the tail are both hollow structures and communicate with each other. The outer diameter of the head of the casing 2 can be equal to the inner diameter of the head of the casing 1. The head of the casing 2 is located in the head of the casing 1, and the head end of the casing 1 is provided with a chute 3 along the circumferential direction of the casing 1. The tail of 2 can pass out of the casing 1. Due to the existence of the chute 3, the casing 2 can rotate around the axis of the casing 1. The direction penetrates into the casing 2 and is connected with the actuator located in the casing 2. Therefore, when the casing 2 rotates, it will drive the massage components to rotate together. A locking structure is provided. When the locking structure is in a locked state, the casing 2 and the casing 1 are in a fixed state and cannot rotate relative to each other. When the locking structure is in an unlocked state, the casing 2 can rotate around the axis of the casing 1 To adjust the angle, the above-mentioned driving device is located in the casing 1 on the rear side of the casing 2 and is fixedly connected with the casing 1. The driving end of the driving device passes through the casing 2 and is connected to the actuator in a transmission. The above-mentioned power supply device includes a battery 4 and a The switch module 5 and the battery 4 are electrically connected to the driving device through the switch module 5 . When in use, adjust the angle of the massage assembly according to the different massage parts, and adjust the locking structure to the unlocked state during adjustment. At this time, the shell 2 can drive the massage assembly to rotate. When the desired angle is adjusted, the locking structure is adjusted to In the locked state, the switch module 5 is operated to turn on the power supply, and the driving device drives the massage assembly to move through the actuator to massage.

The above-mentioned actuator can be an eccentric wheel 6 mechanism, including an eccentric wheel 6 and a connecting rod 7, the eccentric wheel 6 can include a disc-shaped wheel body, and the driving end of the driving device can be connected with the center of the wheel body. A shaft hole can be provided in the center, and the driving device can be a motor 29. The output shaft of the motor 29 is inserted into the shaft hole after passing through the housing 2 to drive the wheel body to rotate, and an eccentric shaft 8 is provided at the position of the front end face of the wheel body away from the shaft hole, One end of the connecting rod 7 is rotatably connected with the eccentric shaft 8, and the other end of the connecting rod 7 is used for connecting with the massage assembly.

The above-mentioned massage assembly includes a reciprocating shaft 9, a conversion head 10 and a massage head. The reciprocating shaft 9 penetrates into the head of the casing 2 from the bottom end of the casing 2 and is rotatably connected with the connecting rod 7. The outer side of the reciprocating shaft 9 It is slidingly connected with the tail of the casing 2, and the sliding direction is along the radial direction of the head of the casing 2. When the driving device drives the eccentric wheel 6 to rotate, the reciprocating shaft 9 can realize the reciprocating telescopic motion, and the conversion head 10 is connected to the reciprocating shaft 9. At the bottom end, the massage head and the conversion head 10 are detachably connected, so that massage heads of different shapes can be replaced to massage different parts of the body.

The connection between the above-mentioned reciprocating shaft 9 and the conversion head 10 can be connected by a pin shaft 13, a first pin hole 11 can be provided at the bottom end of the reciprocating shaft 9, and the axis of the first pin hole 11 is perpendicular to the axis of the reciprocating shaft 9. The head 10 can be a cylindrical structure with an open top, and the conversion head 10 is provided with a second pin hole 12 that penetrates the conversion head 10 along the radial direction of the conversion head 10. During installation, the reciprocating shaft 9 is inserted into the conversion head 10, so that the The axes of the first pin hole 11 and the second pin hole 12 are coincident, and then the pin shaft 13 is inserted for fixing.

The above-mentioned massage head can include a massage body 14, a massage head base 15 arranged inside the massage body 14, and a bushing 16 arranged inside the massage head base 15. The top opening of the massage head is sleeved on the outside of the massage head base 15. The outer surface of the base 15 can be provided with corrugated protrusions, and the inside of the massage head is provided with corrugated grooves. When the massage head is sleeved on the massage head base 15, a fixed connection can be achieved. The radially extending connecting protrusion 17 is provided with a downwardly extending connecting groove 18 on the top end face of the bushing 16 at the position corresponding to the connecting protrusion 17. The depth of the connecting groove 18 along the radial direction of the bushing 16 can be equal to The thickness of the connecting protrusion 17 along the radial direction of the conversion head 10 is equal, the length of the connecting groove 18 along the axial direction of the bushing 16 is greater than the length of the connecting protrusion 17 along the axial direction of the conversion head 10, and the upper half of the connecting groove 18 is along the The circumferential length of the bushing 16 is equal to the length of the connecting protrusion 17 along the circumferential direction of the conversion head 10 , the lower half of the connecting groove 18 extends left or right in a single direction along the circumferential direction of the bushing 16 , and the extended part forms a latch. The length of the groove 19, the length of the clamping groove 19 along the axial direction of the bushing 16 is equal to the length of the connecting protrusion 17 along the axial direction of the conversion head 10, when connecting, the connecting protrusion 17 is aligned with the connecting groove 18 and inserted into the bushing 16, when the connecting protrusion 17 is inserted into the bushing 16 When the 17 is inserted into the bottom of the connecting groove 18 , the converting head 10 is rotated, and the connecting protrusion 17 is snapped into the locking groove 19 to realize fixing, preventing the axial movement of the bushing 16 along the converting head 10 .

In order to prevent the bushing 16 from being disconnected from the conversion head 10 and falling off during the operation of the massager, a through hole can be provided at the bottom of the conversion head 10 penetrating the conversion head 10, and steel balls 21 and In the first spring 20, the diameter of the steel ball 21 is larger than the diameter of the through hole and the steel ball 21 is located in the through hole. When the steel ball 21 is put into the through hole, the bottom end of the steel ball 21 is lower than the bottom end of the conversion head 10, and the first spring 20 The diameter of the steel ball 21 is smaller than that of the steel ball 21, and the first spring 20 is arranged between the steel ball 21 and the reciprocating shaft 9. When the reciprocating shaft 9 is connected to the conversion head 10, the first spring 20 is in a compressed state, and the bottom end of the bushing 16 is connected to the massager. A gasket 22 for closing the bottom end of the bushing 16 is provided between the head base 15. After the conversion head 10 is connected to the bushing 16, the bottom end face of the conversion head 10 contacts the gasket 22, and the steel balls 21 are all pressed in at this time. In the conversion head 10, due to the existence of the elastic force of the first spring 20, there is always a force between the conversion head 10 and the bushing 16 to move away from each other in the axial direction, so that the connection between the connecting protrusion 17 and the card groove 19 is more stable. Prevent the connection from being disconnected during use. At the same time, when replacing the massage head, rotate the massage head. When the connection protrusion 17 is disengaged from the card slot 19, the first spring 20 restores its deformation and ejects the massage head from the conversion head 10, which is convenient for replacement. Due to the existence of the first spring 20, the massager will also play a role in reducing noise during the use of the massager.

The above-mentioned locking structure includes a rotary button 23 arranged between the front side of the casing 2 and the inner side of the casing 1. The rotary button 23 can be disc-shaped, and the rear side of the rotary button 23 is provided with one or more first. The protrusions 24, for example, six first protrusions 24 are provided, and the six first protrusions 24 are radially distributed along the circumferential direction of the rotary button 23, and six first protrusions 24 are also provided on the front side of the housing 2. The first groove 25 is matched, and the first protrusion 24 is located in the first groove 25 to prevent the rotation button 23 from rotating relative to the housing 2 . Out of the disc, the front end face of the casing 1 and the position corresponding to the disc are provided with a circular through hole for the disc to pass through the casing 1, and the inner diameter of the circular through hole is equal to the outer diameter of the disc. There are also a plurality of second protrusions 26 on the front end surface of the rotary button 23. For example, there are six second protrusions 26. The six second protrusions 26 are radially distributed along the circumferential direction of the rotary button 23. Each second protrusion 26 Both extend along the radial direction of the disk from the outer side of the disk, and the included angles between two adjacent second protrusions 26 are equal. A second spring 28 is arranged between the center of the rear side of the rotary button 23 and the housing 2 with the second groove 27 in which the second protrusion 26 is matched. The initial state of the locking structure is the locked state, that is, the second The protrusion 26 is located in the second groove 27, the disc is located in the circular through hole, and the bottom end of the first protrusion 24 is located inside the top end of the first groove 25. When the massage device needs to be rotated, turn the rotating button 23 along the Press down on itself in the axial direction, the second protrusion 26 is disengaged from the second groove 27, the first protrusion 24 completely enters the first groove 25, and the locking structure is in the unlocked state at this time, rotating the massage device, the shell 2 , the massage device, and the rotary button 23 are rotated together. When the second protrusion 26 is aligned with the second groove 27 again, the spring will return to deformation, the rotary button 23 will bounce back, and the second protrusion 26 will return to the second groove 27 again. inside, the locking mechanism returns to the locked state.

The above-mentioned driving device can be a motor 29, such as a DC motor 29, or a speed regulating motor 29, and a mounting plate 30 can be provided on the casing 1 on the rear side of the casing 2, and the mounting plate 30 is fixedly connected with the casing 1, The mounting plate 30 can be disc-shaped, and a plurality of threaded holes can be provided on the edge of the mounting plate 30, and the fixed connection with the casing 1 is realized by screws. The motor 29 is fixedly connected on the rear side of the mounting plate 30. The center of the front side is provided with an annular protrusion 31, the eccentric 6 is arranged inside the annular protrusion 31, and the center of the mounting plate 30 is provided with a through hole for the output shaft of the motor 29 to pass through, and the output shaft of the motor 29 passes through the installation. The disc 30 is connected to the shaft hole of the eccentric wheel 6 at the rear, a circular hole for the annular protrusion 31 to pass through is provided in the center of the rear side of the housing 2, and the inner side of the circular hole is slidably connected to the outer side of the annular protrusion 31. , the circular hole can be used for the annular protrusion 31 to be inserted into the casing 2 , and the annular protrusion 31 can also be used as the rotating shaft of the casing 2 .

The above-mentioned switch module 5 is arranged between the battery 4 and the motor 29, one end is electrically connected to the battery 4, and the other end is electrically connected to the motor 29, and a button for the switch module 5 is provided at the rear of the casing 1 near the head. The through hole of the casing 1, and the button passes through the through hole.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A massager is characterized by comprising a machine shell (1), a massage device arranged at the head part of the machine shell (1) and a power supply device arranged at the tail part of the machine shell (1), wherein:

the massage device comprises a driving device, an executing mechanism and a massage assembly, wherein a shell (2) is wrapped outside the executing mechanism, the head of the shell (2) is positioned in the shell (1) and is rotationally connected with the shell (1), the rotation axis is along the front and back directions of the shell (1), a sliding groove (3) along the circumferential direction of the shell (1) is arranged at the top end of the shell (1), the tail part of the shell (2) penetrates out of the shell (1) through the sliding groove (3) and can slide along the sliding groove (3), a locking structure is arranged between the front side surface of the shell (2) and the inner side surface of the shell (1), when the locking structure is in a locking state, the shell (2) is fixed with the shell (1), and when the locking structure is in an unlocking state, the shell (2) can rotate around the shell (1), the driving device is positioned at the rear side of the shell (2) and is fixedly connected with the machine shell (1), the driving end of the driving device penetrates through the shell (2) to be in transmission connection with the executing mechanism, and the massage component penetrates from the bottom of the shell (2) to be connected with the executing mechanism;

the power supply device comprises a battery (4) and a switch module (5), wherein the battery (4) is electrically connected with the driving device through the switch module (5).

2. The massager according to claim 1, wherein the actuating mechanism is an eccentric wheel mechanism comprising an eccentric wheel (6) and a connecting rod (7), the center of the eccentric wheel (6) is in transmission connection with the driving device, one end of the connecting rod (7) is in rotational connection with an eccentric shaft (8) on the eccentric wheel (6), and the other end of the connecting rod (7) is connected with the massage assembly.

3. The massager as claimed in claim 2, wherein the massage assembly comprises a reciprocating shaft (9), a conversion head (10) and a massage head, the top end of the reciprocating shaft (9) is rotatably connected with the connecting rod (7), the outer side surface of the reciprocating shaft (9) is slidably connected with the tail part of the shell (2), the sliding direction is along the axial direction of the reciprocating shaft (9), the conversion head (10) is connected with the bottom end of the reciprocating shaft (9), and the massage head is detachably connected with the conversion head (10).

4. The massager according to claim 3, wherein the bottom end of the reciprocating shaft (9) is provided with a first pin hole (11), the axis of the first pin hole (11) is perpendicular to the axis of the reciprocating shaft (9), the conversion head (10) is provided with a second pin hole (12) coaxial with the first pin hole (11), and the first pin hole (11) and the second pin hole (12) are connected through a pin shaft (13) in alignment.

5. The massager according to claim 3, wherein the massage head comprises a massage body (14), a massage head base (15) arranged inside the massage body (14), a bushing (16) arranged inside the massage head base (15), the outer side wall of the conversion head (10) is provided with a connecting bulge (17) extending along the radial direction of the conversion head (10), a connecting groove (18) extending downwards is arranged at the position of the end surface of the top end of the shaft bushing (16) corresponding to the connecting bulge (17), the coupling protrusion (17) is inserted into the shaft bushing (16) along the coupling groove (18), a clamping groove (19) which extends along the circumferential direction of the inner side surface of the shaft bushing (16) in a single direction is arranged at the lower part of the connecting groove (18), the connecting bulge (17) enters the lower part of the connecting groove (18) and then rotates into the clamping groove (19).

6. The massager according to claim 5, wherein the conversion head (10) is a cylindrical structure with an open top, a first spring (20) and a steel ball (21) are arranged between the bottom end of the reciprocating shaft (9) and the bottom end of the conversion head (10), a through hole with a diameter smaller than that of the steel ball (21) is arranged at the bottom of the conversion head (10), the diameter of the first spring (20) is smaller than that of the steel ball (21), the steel ball (21) is located in the through hole, the first spring (20) is located between the steel ball (21) and the reciprocating shaft (9), a gasket (22) is arranged between the bottom of the bushing (16) and the massage head base (15), and when the conversion head (10) is inserted into the bushing (16), the bottom surface of the conversion head (10) is in contact with the gasket (22).

7. The massager according to claim 1, wherein the locking structure comprises a rotary button (23) arranged between the front side of the housing (2) and the casing (1), a first protrusion (24) is arranged on the rear side of the rotary button (23), a first groove (25) matched with the first protrusion (24) is arranged on the front side of the housing (2), a button penetrating out of the casing (1) is arranged at the center of the front side of the rotary button (23), a plurality of second protrusions (26) uniformly distributed along the circumferential direction of the rotary button (23) are further arranged on the front side of the rotary button (23), a second groove (27) matched with the second protrusion (26) is arranged on the casing (1) at a position corresponding to the second protrusion (26), and a second spring (28) is arranged between the rotary button (23) and the housing (2), when the rotary button (23) is pressed, the second protrusion (26) is disengaged from the second groove (27), the locking structure is unlocked, the housing (2) is rotated, and when the housing (2) is rotated to the state that the second protrusion (26) is aligned with the second groove (27) again, the second spring (28) drives the rotary button (23) to return to the locking state.

8. A massager according to claim 2, wherein said driving means is a motor (29).

9. The massager as claimed in claim 8, wherein the housing (2) is provided at a rear side thereof with a mounting plate (30) fixedly connected with the casing (1), the motor (29) is fixedly connected to a rear side surface of the mounting plate (30) and a driving end thereof passes through the mounting plate (30).

10. The massager according to claim 9, wherein the front side of the mounting plate (30) is centrally provided with an annular protrusion (31), the eccentric wheel (6) is arranged inside the annular protrusion (31), and the middle of the rear side of the housing (2) is provided with a circular hole, and the inner side of the circular hole is slidably connected with the outer side of the annular protrusion (31).

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