CN215460026U

CN215460026U - Muscle relaxing device

Info

Publication number: CN215460026U
Application number: CN202120779378.1U
Authority: CN
Inventors: 杨天胜
Original assignee: Shenzhen Proactive Technology Cooperation Co ltd
Current assignee: Shenzhen Proactive Technology Cooperation Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-01-11
Anticipated expiration: 2031-04-16

Abstract

The utility model provides a muscle relaxing device which comprises a shell and a massage head, wherein a driving motor and a connecting arm are arranged in the shell, a connecting piece is installed on an output shaft of the driving motor, the connecting piece is provided with a connecting shaft, the connecting shaft and the output shaft are positioned at different positions, one end of the connecting arm is rotatably connected with the connecting shaft on the connecting piece, the other end of the connecting arm is fixedly connected with the massage head, the front end of the shell is provided with a penetrating port through which the connecting arm penetrates, an activity space for the connecting arm to move is formed between the shell and the connecting arm at the penetrating port, and an auxiliary connecting structure is arranged in the activity space to enable the connecting arm to move more softly. Aiming at the technical problem that the muscle looseness-preventing device in the prior art is not soft when impacting the muscle, the auxiliary connecting structure capable of buffering the impact force is arranged, so that the muscle looseness-preventing device is soft when impacting the muscle, and the muscle is relaxed and comfortable.

Description

Muscle relaxing device

Technical Field

The utility model relates to a muscle relaxing device.

Background

People experience a sense of tightness and soreness in muscles after strenuous exercise, and thus a device having a muscle relaxing function for relaxing muscles by hitting muscles of the body at a high frequency is available on the market. However, the conventional muscle relaxers are not gentle when they impact the muscles, and may aggravate the soreness of the muscles.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the technical problem that the muscle looseness-preventing device in the prior art is not soft in muscle hardness impact, the utility model provides the muscle relaxation device which is provided with an auxiliary connecting structure capable of buffering impact force, so that the muscle looseness-preventing device is soft in muscle impact, and the muscle is relaxed and comfortable.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a device is relaxed to muscle, includes casing and massage head, be equipped with driving motor and linking arm in the casing, install the connecting piece on driving motor's the output shaft, the connecting piece is equipped with the connecting axle, the connecting axle with the output shaft divides to be in different positions, linking arm one end with the rotatable connection of connecting axle on the connecting piece, the linking arm other end with massage head fixed connection, the casing front end is equipped with the confession the mouth of wearing out that the linking arm was worn out, driving motor passes through the linking arm drive massage head forms certain stretching and/or swing wear the exit, the casing with be formed with the confession between the linking arm the activity space of linking arm activity, and be equipped with supplementary connection structure in the activity space so that make linking arm activity law is more and soft.

Optionally, the auxiliary connecting structure includes an auxiliary piece disposed between the housing and the connecting arm, the auxiliary piece is provided with a first connecting portion fixedly connected to the connecting arm, and the auxiliary piece is provided with a second connecting portion fixedly connected to the housing; or the inner side part of the auxiliary piece is provided with a first connecting part in sliding fit with the connecting arm, and the edge part of the auxiliary piece is provided with a second connecting part fixedly connected with the shell; or the inner side part of the auxiliary piece is provided with a first connecting part fixed with the connecting arm, and the edge part of the auxiliary piece is provided with a second connecting part in sliding fit with the shell.

Optionally, the auxiliary is an annular resilient buffer member sleeved on the connecting arm, a first connecting portion fixedly connected with the connecting arm is arranged at an inner side of the auxiliary, and a second connecting portion fixedly connected with the housing is arranged at an edge of the auxiliary.

Optionally, one end of the auxiliary piece, which faces away from the massage head, is provided with an inner concave portion, and a gap is formed between the inner concave portion and the connecting arm of the auxiliary piece, so that the connecting arm can swing conveniently.

Optionally, the auxiliary element is provided with a stretching hole for increasing the flexibility of the auxiliary element.

Optionally, the auxiliary member is a rubber member or a silicone member.

Optionally, the connecting arm is provided with a positioning groove at a side portion thereof, and the first connecting portion is positioned in the positioning groove.

Optionally, the connecting arm includes a connecting arm body and a pressing member separately installed at an end of the connecting arm body, a positioning groove for installing the first connecting portion is formed between the pressing member and the connecting arm body, and the pressing member presses the first connecting portion in the positioning groove.

Optionally, an end portion of one of the connecting arm body and the pressing piece is provided with an accommodating groove, an end portion of the other is arranged in the accommodating groove, a stopping portion is arranged at an end portion of the other end, and the stopping portion and the end portion of the accommodating groove form the positioning groove.

Optionally, the pressing piece and the connecting arm body are in snap fit or plug fit or are in fixed fit through a screw.

Optionally, the pressing piece is matched with the connecting arm body through rotary clamping.

Optionally, the storage tank lateral wall with compress tightly one of them of a lateral wall be equipped with the joint groove, another be equipped with joint groove complex joint is protruding, the joint groove includes first hole groove structure and second hole groove structure, first hole groove structure for the axial direction setting of storage tank, second hole groove structure for the circumferential direction setting of storage tank, second hole groove structure and first hole groove structure intercommunication, when compressing tightly a with the linking arm and being connected, the joint is protruding to get into the inner of first hole groove structure through first hole groove structure outer end, then rotatory piece that compresses tightly makes the protruding second hole inslot that gets into of joint so that it is relative to compress tightly a linking arm body axial positioning.

Optionally, a positioning portion for positioning the clamping protrusion is arranged in the second hole-groove structure.

Optionally, the housing includes a main housing and an end cap detachably mounted on a front end of the main housing, and the second connecting portion is sandwiched between the main housing and the end cap.

Optionally, the auxiliary connection structure includes an auxiliary member and a protruding portion having an end face of a convex arc surface, the protruding portion is installed in an active space between the housing and the connection arm through the auxiliary member, the connection arm is provided with a sliding slot, the protruding portion is provided in the sliding slot, and the auxiliary member and the connection arm are slidably connected through the cooperation of the protruding portion and the sliding slot; or, the shell inboard is equipped with the spout, the bellying is in the spout, the auxiliary member with the shell passes through the cooperation gliding connection of bellying and spout.

Optionally, the protrusion is a rolling ball, the auxiliary element is a groove disposed on the connecting arm, and the protrusion is accommodated in the groove; or, the auxiliary member is a groove arranged on the housing, and the protrusion is accommodated in the groove, or, the auxiliary member is an annular bracket fixed on the housing, and the protrusion is mounted on the annular bracket; or, the auxiliary part is an annular bracket fixed on the connecting arm, and the convex part is arranged on the annular bracket.

Optionally, the auxiliary member is made of a flexible material.

Optionally, the auxiliary member is made of rubber or silica gel.

Optionally, the linking arm includes the linking arm body, the linking arm body is for dividing the body structure, the linking arm body includes first arm and second arm, first arm one end and second arm one end can dismantle or non-detachable fixed connection, the first arm other end is connected with the massage head, the second arm other end is connected with the connecting piece.

Optionally, first arm one end is equipped with T type groove, second arm one end is equipped with T type arch, T type arch is established at T type inslot and first arm one end and second arm one end screw connection, the second arm other end is equipped with the connecting hole, be equipped with the fifth wheel in the connecting hole, the fifth wheel is articulated with the connecting piece.

Optionally, the massage head is fixedly connected with the connecting arm through a connecting rod.

Optionally, the connecting arm end is provided with a connecting groove, and the connecting rod is inserted into the connecting groove.

Optionally, the connecting rod is installed the soft rubber spare so that connecting rod and spread groove interference plug fit, the connecting rod is equipped with the installation the mounting groove of soft rubber spare.

Optionally, a power supply element and a control circuit board are arranged in the shell, and the power supply element, the control circuit board and the driving motor are electrically connected.

Optionally, the casing includes handheld portion and connects the linking arm installation department of handheld portion one end, the extending direction of handheld portion with the extending direction branch department of linking arm installation department is in two different directions, power supply element, driving motor install in handheld portion, the linking arm is installed in the linking arm installation department, the massage head is located linking arm installation department front end.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the muscle relaxation device is provided with the auxiliary connecting structure capable of buffering impact force, so that the muscle loosening-preventing device is soft when impacting muscles, and the muscles are relaxed and comfortable.

Drawings

FIG. 1 is a cross-sectional view of one embodiment of a muscle relaxer;

FIG. 2 is one of the schematic illustrations of the connecting arm and the auxiliary element;

FIG. 3 is a cross-sectional view of one embodiment of a muscle relaxer;

FIG. 4 is a schematic view of an auxiliary element;

fig. 5 is an exploded view of a muscle relaxing device;

FIG. 6 is a schematic view of the hold down and the connecting arm body;

FIG. 7 is a cross-sectional view of one embodiment of a muscle relaxer;

FIG. 8 is a second schematic view of the connecting arm and the auxiliary chamber;

fig. 9 is a schematic view of a first arm and a second arm.

The reference numerals in the schematic drawings illustrate:

1. a housing; 11. an end cap; 111. a penetration port; 12. a hand-held portion; 13. an installation part; 2. a drive motor; 21. a connecting member; 3. a connecting arm; 31. a first arm; 311. a containing groove; 3111. a first hole and groove structure; 3112. a second slot and hole structure; 312. a chute; 313. a T-shaped groove; 32. a second arm; 321. t-shaped bulges; 322. connecting holes; 323. a connecting wheel; 33. connecting grooves; 4. a massage head; 41. a connecting rod; 411. mounting grooves; 51. a power supply element; 52. a control circuit board; 6. an auxiliary member; 61. an inner concave portion; 62. stretching the hole; 63. a ball bearing; 64. a first connection portion; 65. a second connecting portion; 7. a compression member; 71. positioning a groove; 72. a stopper portion; 73. and clamping the protrusion.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description of the utility model taken in conjunction with the accompanying drawings 1-9.

With reference to fig. 1-9, the muscle relaxing device of the present embodiment includes a housing 1, the housing 1 includes a main housing and an end cover 11, the main housing is connected to the end cover 11 by a snap, the main housing includes a handheld portion 12 and a connecting arm mounting portion 13 connected to one end of the handheld portion 12, and the handheld portion 12 is substantially perpendicular to the connecting arm mounting portion 13. Be equipped with linking arm 3 and control circuit board 52 in the linking arm installation department 13, be equipped with power supply element 51 and driving motor 2 in the handheld portion 12, power supply element 51 is connected with driving motor 2 electricity, control circuit board 52 is connected with power supply element 51 and driving motor 2 electricity, driving motor 2 is connected with the 3 transmissions of linking arm. The end cover 11 is provided with an outlet 111, the outlet 111 is provided with a massage head 4, and a part of the massage head 4 extends into the outlet 111 and is connected with the connecting arm 3.

The driving motor 2 is connected with the connecting arm 3 through a connecting piece 21, the driving motor 2 is provided with a rotatable output shaft, the output shaft is fixedly connected with the connecting piece 21, and the output shaft can drive the connecting piece 21 to rotate. And a connecting shaft is arranged at the other position of the connecting piece 21 and is hinged with one end of the connecting arm 3, and the connecting piece 21 can drive the connecting arm 3 to swing back and forth and left and right.

Casing 1 is equipped with the confession linking arm 3 is radial, the space of horizontal hunting, be equipped with supplementary connection structure between linking arm 3 and the casing 1. The auxiliary connecting structure comprises an auxiliary member 6 provided between the housing 1 and the connecting arm 3.

With reference to fig. 3 and 4, the auxiliary member 6 is an annular resilient buffer member, the auxiliary member 6 is sleeved on the connecting arm 3 and is fixedly connected with the connecting arm 3, a first connecting portion 64 fixedly connected with the connecting arm 3 is arranged on the inner side of the auxiliary member 6, and a second connecting portion 65 fixedly connected with the housing 1 is arranged on the edge of the auxiliary member 6. The connecting arm 3 is provided with a positioning groove 71 for fixing the first connecting portion 64, the auxiliary member 6 is sleeved in the positioning groove 71, the first connecting portion 64 is clamped between groove walls on two sides of the positioning groove 71, and the second connecting portion 65 is clamped between the end cover 11 and the main casing. The auxiliary member 6 is a flexible auxiliary member 6, and can be a rubber auxiliary member 6 or a silicone auxiliary member 6. The auxiliary member 6 is provided with an inward concave portion 61, the inward concave portion 61 deviates from the massage head 4, the inward concave portion 61 surrounds the connecting arm 3, and when the connecting arm 3 vibrates back and forth, the inward concave portion 61 increases the flexibility of the auxiliary member 6 to enable the connecting arm 3 to vibrate back and forth. The auxiliary member 6 is sleeved on the connecting arm 3 and has a certain gap with the connecting arm 3, so that the connecting arm 3 can vibrate left and right. The auxiliary member 6 is provided with stretching holes 62 to increase the flexibility of the auxiliary member 6, and the stretching holes 62 are uniformly distributed on the auxiliary member 6 for one circle.

With reference to fig. 3, 4 and 6, the connecting arm 3 includes a connecting arm body and a pressing member 7, the connecting arm body is detachably connected to the pressing member 7, and the pressing member 7 and the connecting arm body form the positioning groove 71. In this embodiment, the end of the connecting arm body is provided with a receiving groove 311, one end of the pressing member 7 is disposed in the receiving groove 311, and the pressing member 7 is connected with the receiving groove 311 in a snap fit manner. In other embodiments, the pressing member 7 and the receiving groove 311 may also be connected by a plug-fit connection or a screw-fixing fit connection. The other end of the pressing member 7 is provided with a stopping portion 72, and the stopping portion 72 and the end portion of the accommodating groove 311 form the positioning groove 71.

The pressing piece 7 is matched with the connecting arm body through rotating and clamping. The storage tank 311 lateral wall is equipped with the joint groove, it is protruding 73 to compress tightly a 7 surface and be equipped with joint, the joint groove includes first hole groove structure 3111 and second hole groove structure 3112, first hole groove structure 3111 for the axial direction of storage tank 311 sets up, second hole groove structure 3112 for the circumferential direction of storage tank 311 sets up, second hole groove structure 3112 and first hole groove structure 3111 intercommunication, when compressing tightly 7 and this body coupling of linking arm, the protruding 73 outer end through first hole groove structure 3111 of joint gets into the inner of first hole groove structure 3111, then rotatory piece 7 that compresses tightly makes in protruding 73 entering second hole groove structure 3112 of joint so that compress tightly a 7 for linking arm body axial positioning. The second groove structure 3112 is provided with a positioning portion. In other embodiments, the clamping protrusion 73 may be disposed on a side wall of the receiving groove 311, and the clamping groove may be disposed on a surface of the pressing member 7. In other embodiments, the accommodating groove 311 may be disposed at one end of the pressing member 7, one end of the connecting arm body is disposed in the accommodating groove 311, and the connecting arm body is connected to the accommodating groove 311 in a snap-fit manner.

With reference to fig. 7 and 8, the pressing member 7 is sleeved on the connecting arm body, the connecting arm body is provided with a stopping portion 72, and the stopping portion 72 and the pressing member 7 form the positioning groove 71. The stop 72 is connected to the pressing element 7 by a screw which passes through the tension hole 62 of the auxiliary element 6. In other embodiments, the compression member 7 may be threadably connected to the connecting arm 3.

With reference to fig. 1 and 2, the first connecting portion 64 of the auxiliary element 6 is slidably connected to the connecting arm 3, and the second connecting portion 65 of the auxiliary element 6 is fixedly connected to the housing 1. The auxiliary member 6 is an annular bracket, a ball 63 is mounted on the inner annular wall of the auxiliary member 6, a sliding groove 312 is formed on the surface of the connecting arm 3, the ball 63 can slide in the sliding groove 312, and the outer annular wall of the auxiliary member 6 is fixedly connected with the casing 1. In other embodiments, the outer annular wall of the auxiliary element 6 is provided with balls 63, the inner surface of the housing 1 is provided with sliding grooves 312, the balls 63 are arranged in the sliding grooves 312, and the inner annular wall of the auxiliary element 6 is fixedly connected with the connecting arm 3. In other embodiments, the auxiliary element 6 may be a groove provided on the connecting arm 3 or the housing 1, and the housing 1 or the connecting arm 3 is provided with a sliding slot 312, the groove is used for mounting the ball 63, so that the connecting arm 3 is directly connected with the inner housing in a sliding manner through the ball 63. In other embodiments, the balls 63 may be protrusions having a convex arc surface. The auxiliary member 6 is an auxiliary member 6 made of flexible material, and can be a rubber auxiliary member 6 or a silica gel auxiliary member 6.

With reference to fig. 9, the connecting arm body includes a first arm 31 and a second arm 32, one end of the first arm 31 and one end of the second arm 32 are detachably or non-detachably and fixedly connected, the other end of the first arm 31 is connected with the massage head 4, and the other end of the second arm 32 is connected with the connecting member 21. First arm 31 one end is equipped with T type groove 313, second arm 32 one end is equipped with protruding 321 of T type, protruding 321 of T type is established in T type groove 313 and first arm 31 one end and second arm 32 one end screw connection, the second arm 32 other end is equipped with connecting hole 322, be equipped with fifth wheel 323 in the connecting hole 322, fifth wheel 323 is articulated with connecting piece 21.

The body of the auxiliary part 6 or the pressing part 7 is provided with a connecting groove 33, and the massage head 4 is inserted into the connecting groove 33 through a connecting rod 41. Connecting rod 41 is equipped with mounting groove 411, it makes to install soft plastic in mounting groove 411 connecting rod 41 with spread groove 33 interference fit, soft plastic can be the packing ring.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. A muscle relaxing device is characterized by comprising a shell and a massage head, wherein a driving motor and a connecting arm are arranged in the shell, the output shaft of the driving motor is provided with a connecting piece, the connecting piece is provided with a connecting shaft, the connecting shaft and the output shaft are respectively arranged at different positions, one end of the connecting arm is rotatably connected with the connecting shaft on the connecting piece, the other end of the connecting arm is fixedly connected with the massage head, the front end of the shell is provided with a through hole for the connecting arm to penetrate out, the driving motor drives the massage head to form certain stretching and/or swinging through the connecting arm, at the outlet, a movable space for the connecting arm to move is formed between the shell and the connecting arm, and an auxiliary connecting structure is arranged in the movable space so as to enable the connecting arm to move more flexibly.

2. A muscle relaxing device according to claim 1, wherein the auxiliary connection structure includes an auxiliary member disposed between the housing and the connecting arm, the auxiliary member having a first connection portion fixedly connected to the connecting arm, the auxiliary member having a second connection portion fixedly connected to the housing; or the inner side part of the auxiliary piece is provided with a first connecting part in sliding fit with the connecting arm, and the edge part of the auxiliary piece is provided with a second connecting part fixedly connected with the shell; or the inner side part of the auxiliary piece is provided with a first connecting part fixed with the connecting arm, and the edge part of the auxiliary piece is provided with a second connecting part in sliding fit with the shell.

3. The muscle relaxing device as claimed in claim 2, wherein the auxiliary member is a resilient ring-shaped buffer member sleeved on the connecting arm, a first connecting portion fixedly connected to the connecting arm is provided at an inner side of the auxiliary member, and a second connecting portion fixedly connected to the housing is provided at an edge of the auxiliary member.

4. A muscle relaxing device according to claim 3, wherein the end of the auxiliary element facing away from the massage head is provided with an internal recess, the auxiliary element forming a gap between the internal recess and the connecting arm to facilitate the swinging of the connecting arm.

5. A muscle relaxing device according to claim 3, wherein the auxiliary element is provided with stretching holes for increasing the flexibility of the auxiliary element.

6. A muscle relaxing device according to claim 3, wherein the auxiliary element is a rubber or silicone element.

7. A muscle relaxing device according to any one of claims 2 to 6, wherein the connecting arm is provided with a positioning groove at a side portion thereof, and the first connecting portion is positioned in the positioning groove.

8. The muscle relaxing device as claimed in claim 7, wherein the connecting arm includes a connecting arm body and a pressing member separately mounted on an end of the connecting arm body, a positioning groove for mounting the first connecting portion is formed between the pressing member and the connecting arm body, and the pressing member presses the first connecting portion into the positioning groove.

9. The muscle relaxing device as claimed in claim 8, wherein one of the connecting arm body and the pressing member has a receiving groove at an end thereof, the other has a stopping portion at an end thereof and a stopping portion at an end thereof, and the stopping portion and the end of the receiving groove form the positioning groove.

10. A muscle relaxing device according to claim 9, wherein the compression member is snap-fitted or plug-fitted to the connecting arm body or is fixedly fitted thereto by means of screws.

11. A muscle relaxing device according to claim 10, wherein the compression member is snap fitted to the body of the connecting arm by rotation.

12. The muscle relaxing device as claimed in claim 11, wherein one of the side wall of the accommodating groove and the side wall of the pressing member is provided with a clamping groove, and the other is provided with a clamping protrusion engaged with the clamping groove, the clamping groove includes a first hole groove structure and a second hole groove structure, the first hole groove structure is arranged relative to the axial direction of the accommodating groove, the second hole groove structure is arranged relative to the circumferential direction of the accommodating groove, the second hole groove structure is communicated with the first hole groove structure, when the pressing member is connected with the connecting arm, the clamping protrusion enters the inner end of the first hole groove structure through the outer end of the first hole groove structure, and then the pressing member is rotated to enable the clamping protrusion to enter the second hole groove structure so as to enable the pressing member to be axially positioned relative to the connecting arm body.

13. A muscle relaxing device according to claim 12, wherein the second aperture and slot formation has locating portions for locating the latching projections.

14. A muscle relaxing device according to any one of claims 2 to 6 or 8 to 13, wherein the housing includes a main housing and an end cap removably mounted on a front end of the main housing, the second connecting portion being sandwiched between the main housing and the end cap.

15. The muscle relaxing device as claimed in claim 1, wherein the auxiliary connecting structure includes an auxiliary member and a protrusion portion having a convex arc surface at an end surface, the protrusion portion is mounted in the movable space between the housing and the connecting arm through the auxiliary member, the connecting arm is provided with a sliding slot, the protrusion portion is provided in the sliding slot, and the auxiliary member and the connecting arm are slidably connected through the protrusion portion and the sliding slot; or, the shell inboard is equipped with the spout, the bellying is in the spout, the auxiliary member with the shell passes through the cooperation gliding connection of bellying and spout.

16. A muscle relaxing device according to claim 15, wherein said protrusion is a rollable ball and said auxiliary element is a recess provided in said connecting arm, said protrusion being received in said recess; or, the auxiliary member is a groove arranged on the housing, and the protrusion is accommodated in the groove, or, the auxiliary member is an annular bracket fixed on the housing, and the protrusion is mounted on the annular bracket; or, the auxiliary part is an annular bracket fixed on the connecting arm, and the convex part is arranged on the annular bracket.

17. A muscle relaxing device according to claim 15, wherein the auxiliary element is a flexible auxiliary element.

18. A muscle relaxing device according to claim 15, wherein the auxiliary element is of rubber or silicone.

19. The muscle relaxing device as claimed in any one of claims 1 to 6, 8 to 13 and 15 to 18, wherein the connecting arm comprises a connecting arm body, the connecting arm body is a split structure, the connecting arm body comprises a first arm and a second arm, one end of the first arm and one end of the second arm are fixedly connected in a detachable or non-detachable mode, the other end of the first arm is connected with the massage head, and the other end of the second arm is connected with the connecting piece.

20. The muscle relaxing device as claimed in claim 19, wherein the first arm has a T-shaped slot at one end thereof, the second arm has a T-shaped protrusion at one end thereof, the T-shaped protrusion is disposed in the T-shaped slot and the first arm is screwed to the second arm at one end thereof, the second arm has a connecting hole at the other end thereof, a connecting wheel is disposed in the connecting hole, and the connecting wheel is hinged to the connecting member.

21. A muscle relaxing device according to any one of claims 1 to 6, 8 to 13 and 15 to 18, wherein the massaging head is fixedly connected to the connecting arm by a connecting rod.

22. The muscle relaxer as claimed in claim 21, wherein the connecting arm has a connecting slot at an end thereof, the connecting rod being received in the connecting slot.

23. A muscle relaxing device according to claim 22, wherein the connecting rod is fitted with a soft rubber member so that the connecting rod is in interference fit with the connecting slot, the connecting rod being provided with a mounting slot for mounting the soft rubber member.

24. A muscle relaxing device according to any one of claims 1 to 6, 8 to 13, 15 to 18, 20 and 22 to 23, wherein a power supply unit and a control circuit board are provided in said housing, and said power supply unit, control circuit board and driving motor are electrically connected.

25. A muscle relaxing device according to claim 24, wherein the housing includes a hand-held portion and a connecting arm mounting portion connected to one end of the hand-held portion, the extending direction of the hand-held portion and the extending direction of the connecting arm mounting portion are divided into two different directions, the power supply element and the driving motor are installed in the hand-held portion, the connecting arm is installed in the connecting arm mounting portion, and the massage head is located at the front end of the connecting arm mounting portion.