CN217091370U - Drive mechanism and fascia rifle - Google Patents

Abstract

The utility model discloses a transmission mechanism, wherein, the outside of pushing away the piece is located to the elastic shaft sleeve cover, and have the cutting gap on the elastic shaft sleeve, the elastic shaft sleeve after the cutting is because the elasticity that its self has, make the cutting gap adjustable along the ascending width in elastic shaft sleeve circumference, and then the internal diameter of adjustable elastic shaft sleeve, so that the internal diameter of elastic shaft sleeve can with push away the external diameter looks adaptation of piece, even make elastic shaft sleeve and push away the piece in the radial direction of pushing away the piece in close contact with, in the reciprocal process of pushing away the piece relative elastic shaft sleeve of piece along pushing away piece self axial, push away the piece and can not radially take place to move along self, and then avoid between pushing away piece and the elastic shaft sleeve in the radial direction of pushing away the piece to bump, and then also avoided the production of noise; the utility model also discloses a manadesma rifle of including above-mentioned drive mechanism.

Description

Drive mechanism and fascia rifle

Technical Field

The utility model relates to a massage equipment field, in particular to drive mechanism and manadesma rifle.

Background

The ache which cannot be ignored exists in life, and whether professional athletes or common leisure enthusiasts, the ache of muscles is always experienced. At present, a fascia gun, also called a deep myofascial impactor, is a good tool for helping a user to stretch and recover after the user exercises, and the fascia gun can relax the soft tissues of the user by impacting the body of the user at high frequency, and particularly plays a good role in relieving the ache of the user after the exercise is finished.

In the existing fascia gun, the shaft sleeve is sleeved on the outer side of the pushing and supporting piece and is matched with the pushing and supporting piece, but a gap exists between the shaft sleeve and the pushing and supporting piece in the radial direction of the pushing and supporting piece, and the gap enables the fascia gun to easily collide with the pushing and supporting piece in the using process, so that noise is generated, and the use experience of the fascia gun is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a transmission mechanism and a fascia gun capable of solving the problem of noise caused by the existence of a gap between the shaft sleeve and the pushing member in the radial direction of the pushing member in the prior art.

To achieve the above object, the present invention provides a transmission mechanism, including:

the pushing and supporting piece is used for being connected with the massage raised head;

the elastic shaft sleeve is sleeved on the outer side of the pushing and abutting piece and is provided with a cutting gap; and

the power assembly is connected with the pushing and abutting piece and used for driving the pushing and abutting piece to reciprocate along the axial direction of the pushing and abutting piece relative to the elastic shaft sleeve so as to drive the massage raised head to reciprocate along the axial direction of the pushing and abutting piece, and the elastic shaft sleeve is used for guiding the reciprocating movement of the pushing and abutting piece along the axial direction of the elastic shaft sleeve; the inner diameter of the elastic shaft sleeve can be adjusted by changing the width of the cutting gap along the circumferential direction of the elastic shaft sleeve, so that the elastic shaft sleeve is in close contact with the pushing part in the radial direction of the pushing part.

Preferably, the power assembly comprises a driving assembly and a transmission assembly which are connected, the pushing and abutting piece is connected with the transmission assembly, and the driving assembly is used for driving the pushing and abutting piece to move back and forth relative to the elastic shaft sleeve along the axial direction of the pushing and abutting piece through the transmission assembly.

Preferably, the transmission assembly includes a first transmission structure, a second transmission structure and a third transmission structure which are connected in sequence in a rotating manner, the first transmission structure is further connected with the driving assembly in a rotating manner, the third transmission structure is further connected with the abutting member in a rotating manner, the driving assembly is used for driving the first transmission structure to rotate eccentrically in a preset space so as to drive the second transmission structure to swing reciprocally in a preset plane, and further drive the third transmission structure to move reciprocally in the axial direction of the abutting member, so as to drive the abutting member to move reciprocally in the axial direction of the abutting member relative to the elastic shaft sleeve.

Preferably, the driving assembly comprises a power source and a fourth transmission structure which are connected, the fourth transmission structure is further connected with the first transmission structure in a rotating mode, and the power source is used for driving the fourth transmission structure to rotate around the axial direction of the power source so as to drive the first transmission structure to rotate eccentrically in the preset space.

Preferably, the fourth transmission structure comprises a connecting piece and a transmission piece which are connected, wherein one end of the connecting piece, which is far away from the transmission piece, is connected with the power source, and one end of the transmission piece, which is far away from the connecting piece, is rotationally connected with the first transmission structure; the axial direction of the transmission part and the axial direction of the connecting part are arranged at a preset acute angle; the power source is used for driving the connecting piece to rotate around the self axial direction so as to drive the transmission piece to rotate around the axial eccentricity of the connecting piece, and further drive the first transmission structure to rotate around the axial eccentricity of the connecting piece in a preset space.

Preferably, the fourth transmission structure comprises an intermediate piece, and the intermediate piece is connected and arranged between the connecting piece and the transmission piece; the intermediate member is including the first side and the second side of back to setting up, first side with the acute angle setting is predetermine to the second side, first side with the connecting piece is connected perpendicularly, the second side with the driving medium is connected perpendicularly, so that the axial of driving medium with the axial of connecting piece is predetermine the acute angle setting.

Preferably, the transmission assembly further comprises a first bearing, the first bearing is arranged in the first transmission structure, and the fourth transmission structure is rotatably connected with the first transmission structure through the first bearing.

Preferably, the second transmission structure is provided with a position avoiding portion, and the position avoiding portion is used for avoiding the third transmission structure in the axial reciprocating movement process of the pushing piece.

Preferably, a protection member for fixing and protecting the elastic bushing is sleeved outside the elastic bushing.

To achieve the above object, the present invention also provides a fascia gun, including:

the above-mentioned drive mechanism; and

and the massage raised head is connected with the pushing piece.

The utility model discloses technical scheme's beneficial effect: be different from prior art, the utility model provides a transmission mechanism, wherein, the outside of pushing away the piece is located to the elastic shaft sleeve cover, and the elastic shaft sleeve has the cutting gap, the elastic shaft sleeve after the cutting is because the elasticity that its self has, make the cutting gap adjustable along elastic shaft sleeve ascending width in week, and then adjustable elastic shaft sleeve's internal diameter, so that the internal diameter of elastic shaft sleeve can with push away the external diameter looks adaptation of piece, even make elastic shaft sleeve and push away the piece and in the footpath in close contact with of pushing away the piece, pushing away the relative elastic shaft sleeve of piece along pushing away the axial reciprocating motion in-process of piece self, it can not follow self radial emergence removal to push away the piece, and then avoid pushing away between piece and the elastic shaft sleeve and radially taking place the collision in pushing away the piece, and then just avoided the production of noise.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a transmission mechanism according to the present invention;

fig. 2 is a schematic structural view of the elastic shaft sleeve of the present invention;

fig. 3 is an exploded view of a transmission mechanism according to the present invention;

fig. 4 is a front view of a fourth transmission structure of the present invention;

fig. 5 is a schematic structural view of a fascia gun according to the present invention;

fig. 6 is an exploded view of the fascia gun of the present invention.

Wherein, 10-transmission mechanism, 20-massage raised head, 30-shell, 31-holding part, 40-switch, 50-main control, 60-power element, 100-pushing element, 200-elastic shaft sleeve, 210-cutting gap, 220-protection element, 300-power element, 310-driving element, 311-power source, 312-fourth transmission structure, 3121-connecting element, 3122-transmission element, 3123-middle element, 3124-first side surface, 3125-second side surface, 313-power source bracket, 320-transmission element, 321-first transmission structure, 3211-through hole, 322-second transmission structure, 3221-position-avoiding part, 323-third transmission structure, 324-first bearing, 325-second bearing, 326-third bearing, 327-fourth bearing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a transmission mechanism 10 according to a preferred embodiment of the present invention includes a pushing member 100, an elastic shaft sleeve 200 and a power assembly 300; the pusher 100 is intended to be connected to the massaging projections 20, the massaging projections 20 being intended to be in contact with the body of the user; the elastic shaft sleeve 200 is sleeved outside the pushing element 100, and the elastic shaft sleeve 200 has a cutting slit 210; the power assembly 300 is connected with the pushing and abutting part 100, the power assembly 300 is used for driving the pushing and abutting part 100 to reciprocate along the axial direction of the pushing and abutting part 100 relative to the elastic shaft sleeve 200 so as to drive the massage raised head 20 to reciprocate along the axial direction of the pushing and abutting part 100, and the elastic shaft sleeve 200 is used for guiding the reciprocating movement of the pushing and abutting part 100 along the axial direction thereof; by changing the width of the cutting slit 210 along the circumferential direction of the elastic shaft sleeve 200, the inner diameter of the elastic shaft sleeve 200 can be adjusted, so that the elastic shaft sleeve 200 and the abutting part 100 are in close contact in the radial direction of the abutting part 100.

In this embodiment, the elastic shaft sleeve 200 is sleeved outside the abutting member 100, and the elastic shaft sleeve 200 has the cutting slit 210 thereon, and the cut elastic shaft sleeve 200 has elasticity, so that the width of the cutting slit 210 along the circumferential direction of the elastic shaft sleeve 200 is adjustable, and the inner diameter of the elastic shaft sleeve 200 is adjustable, so that the inner diameter of the elastic shaft sleeve 200 can be adapted to the outer diameter of the abutting member 100, that is, the elastic shaft sleeve 200 and the abutting member 100 are in close contact in the radial direction of the abutting member 100, and in the process of the reciprocating movement of the abutting member 100 relative to the elastic shaft sleeve 200 along the self axial direction of the abutting member 100, the abutting member 100 cannot move along the self radial direction, and further collision between the abutting member 100 and the elastic shaft sleeve 200 in the radial direction of the abutting member 100 is avoided, and further generation of noise is avoided.

Further, in this embodiment, the existing shaft sleeve may have a cold contraction phenomenon in case of cold, and the shaft sleeve having the cold contraction phenomenon may be firmly sleeved and fixed on the outer side of the pushing and supporting member 100, which may cause the pushing and supporting member 100 to be unable to move relative to the shaft sleeve, thereby causing a jamming phenomenon; in the embodiment, the elastic shaft sleeve 200 having the cutting slit 210 is adopted, and the elastic shaft sleeve 200 after cutting has elasticity, so that although a cold contraction phenomenon may occur in a cold condition, because the cutting slit 210 is formed on the elastic shaft sleeve 200, the elastic shaft sleeve 200 after the cold contraction phenomenon can automatically adjust the width of the cutting slit 210 along the circumferential direction of the elastic shaft sleeve 200 to adjust the inner diameter of the elastic shaft sleeve 200, so that the inner diameter of the elastic shaft sleeve 200 can be adapted to the outer diameter of the abutting part 100, and the elastic shaft sleeve 200 after the cold contraction phenomenon cannot be firmly sleeved and fixed on the outer side of the abutting part 100, that is, the elastic shaft sleeve 200 after the cold contraction phenomenon occurs relative to the abutting part 100 can also reciprocate along the axial direction of the elastic shaft sleeve, thereby overcoming the problem that the existing shaft sleeve can undergo the cold contraction phenomenon in the cold condition, so that the abutting part 100 cannot move relative to the shaft sleeve, causing the defect of the locking phenomenon.

Specifically, in this embodiment, the elastic shaft sleeve 200 is a POM sleeve, the POM sleeve is made of a wear-resistant soft rubber material, and the POM sleeve can play a good guiding role in reciprocating movement of the abutting part 100 relative to the elastic shaft sleeve 200 along the axial direction of the abutting part 100 and also play a shock-absorbing role. In other embodiments, the elastic sleeve 200 may be other elastic sleeves, and is not limited herein.

In an embodiment, referring to fig. 1 and fig. 3, the power assembly 300 includes a driving assembly 310 and a transmission assembly 320 connected to each other, the pushing element 100 is connected to the transmission assembly 320, and the driving assembly 310 is configured to drive the pushing element 100 to move back and forth along an axial direction of the pushing element 100 with respect to the elastic shaft sleeve 200 through the transmission assembly 320. Specifically, referring to fig. 1 and fig. 3, the transmission assembly 320 includes a first transmission structure 321, a second transmission structure 322, and a third transmission structure 323, which are rotatably connected in sequence, the first transmission structure 321 is further rotatably connected to the driving assembly 310, the third transmission structure 323 is further rotatably connected to the abutting element 100, and the driving assembly 310 is configured to drive the first transmission structure 321 to eccentrically rotate in a predetermined space, so as to drive the second transmission structure 322 to reciprocally swing in a predetermined plane, and further drive the third transmission structure 323 to reciprocally move along the axial direction of the abutting element 100, so as to drive the abutting element 100 to reciprocally move along the axial direction of the abutting element 100 relative to the elastic shaft sleeve 200.

In an embodiment, referring to fig. 1 and fig. 3, the driving assembly 310 includes a power source 311 and a fourth transmission structure 312 connected to each other, the fourth transmission structure 312 is further rotatably connected to the first transmission structure 321, the power source 311 is configured to drive the fourth transmission structure 312 to rotate around the axial direction of the power source 311, so as to drive the first transmission structure 321 to rotate eccentrically in a predetermined space, and further to drive the second transmission structure 322 to swing back and forth in a predetermined plane, and further to drive the third transmission structure 323 to move back and forth along the axial direction of the abutting member 100, so as to drive the abutting member 100 to move back and forth along the axial direction of the abutting member 100 relative to the elastic shaft sleeve 200. Specifically, in the present embodiment, the axial direction of the power source 311 is parallel to the axial direction of the push-against member 100.

Further, in the present embodiment, referring to fig. 1 and fig. 3, the driving assembly 310 further includes a power source support 313 for supporting the power source 311.

Further, in the present embodiment, the power source 311 may be, but is not limited to, a motor.

In one embodiment, referring to fig. 3 and 4, the fourth transmission structure 312 includes a connecting member 3121 and a transmission member 3122 connected to each other, an end of the connecting member 3121 away from the transmission member 3122 is connected to the power source 311, and an end of the transmission member 3122 away from the connecting member 3121 is rotatably connected to the first transmission structure 321; the axial direction of the transmission member 3122 and the axial direction of the connecting member 3121 are arranged at a preset acute angle; the power source 311 is used for driving the connecting member 3121 to rotate around its own axial direction, so as to drive the transmission member 3122 to rotate around the axial direction of the connecting member 3121 eccentrically, and further drive the first transmission structure 321 to rotate around the axial direction of the connecting member 3121 eccentrically in the preset space. Specifically, in the present embodiment, the axial direction of the connecting member 3121 is coaxial with the axial direction of the power source 311, and is parallel to the axial direction of the abutting member 100.

Specifically, in the prior art, the massage raised head 20 is mainly driven by an eccentric wheel structure, wherein the driving motor drives the connecting rod through the eccentric block, and the connecting rod drives the shaft sleeve to move repeatedly, so as to drive the massage raised head 20 to impact the body of the user in a reciprocating manner, thereby realizing the massage recovery effect, but in the prior art, the structure for driving the massage raised head 20 to move is in multi-stage fit, the structure is complex, and the eccentric wheel structure adopts a rotary motion, so that the whole structure shakes very severely; in the embodiment, the axial direction of the transmission member 3122 and the axial direction of the connecting member 3121 form a preset acute angle; the connecting member 3121 can rotate around its own axial direction under the driving action of the power source 311 to drive the transmission member 3122 to eccentrically rotate around the axial direction of the connecting member 3121, so as to drive the first transmission structure 321 to eccentrically rotate around the axial direction of the connecting member 3121 in a preset space, so as to drive the second transmission structure 322 to reciprocally swing in a preset plane, so as to drive the third transmission structure 323 to reciprocally move along the axial direction of the abutting member 100, so as to drive the abutting member 100 to reciprocally move along the axial direction of the abutting member 100 relative to the elastic shaft sleeve 200, that is, in this embodiment, the power source 311 drives the first transmission structure 321 to eccentrically rotate in the preset space through the connecting member 3121 and the transmission member 3122, so as to drive the second transmission structure 322 to perform a certain degree of swinging motion in the preset plane, which is smaller than the rotating motion adopted by the eccentric wheel structure in the prior art, the shaking amplitude caused by the swinging motion adopted in this embodiment is smaller, effectively improving the use experience of the user.

In one embodiment, referring to fig. 4, the fourth transmission structure 312 includes an intermediate member 3123, the intermediate member 3123 is disposed between the connecting member 3121 and the transmission member 3122; the middle member 3123 includes a first side surface 3124 and a second side surface 3125 which are oppositely disposed, the first side surface 3124 and the second side surface 3125 are disposed at a predetermined acute angle, the first side surface 3124 is perpendicularly connected to the connection member 3121, and the second side surface 3125 is perpendicularly connected to the transmission member 3122, such that an axial direction of the transmission member 3122 is disposed at a predetermined acute angle with respect to an axial direction of the connection member 3121; so under the driving action of power supply 311, connecting piece 3121 can rotate around self axial to drive driving medium 3122 around the eccentric rotation of the axial of connecting piece 3121, and then in order to drive first drive structure 321 around the eccentric rotation in the space of predetermineeing of the axial of connecting piece 3121. Furthermore, the first transmission structure 321 can abut against the second lateral surface 3125, which can achieve an auxiliary support of the first transmission structure 321 by the intermediate piece 3123.

In an embodiment, referring to fig. 3, the second transmission structure 322 is provided with a position-avoiding portion 3221, and the position-avoiding portion 3221 is used for avoiding the third transmission structure 323 during the reciprocating movement along the axial direction of the pushing member 100. Specifically, in the embodiment, during the process that the third transmission structure 323 reciprocates along the axial direction of the pushing element 100, the second transmission structure 322 may extrude the third transmission structure 323, so that the third transmission structure 323 is damaged, and the arrangement of the positioning portion 3221 can prevent the third transmission structure 323 from being extruded by the second transmission structure 322, so that the third transmission structure 323 is damaged. More specifically, the positioning portion 3221 is an inclined step structure disposed on the second transmission structure 322.

Further, in the present embodiment, referring to fig. 3, the third transmission structure 323 can be, but not limited to, a plate-shaped structure or a rod-shaped structure. Specifically, the extending direction of the third transmission structure 323 is parallel to the axial direction of the push-against member 100. Further, in one embodiment, the third transmission structure 323 is a plate structure with a rectangular middle portion and semicircular side portions.

Further, in the present embodiment, referring to fig. 3, the transmission assembly 320 further includes a first bearing 324, the first bearing 324 is disposed in the first transmission structure 321, and the fourth transmission structure 312 is rotatably connected to the first transmission structure 321 through the first bearing 324; the provision of the first bearing 324 facilitates transmission between the first transmission structure 321 and the fourth transmission structure 312. In particular, the transmission member 3122 of the fourth transmission structure 312 is rotationally connected with the first transmission structure 321 by means of the first bearing 324. More specifically, the first transmission structure 321 has a through hole 3211, the first bearing 324 is disposed in the through hole 3211 of the first transmission structure 321, and the transmission member 3122 of the fourth transmission structure 312 extends into the through hole 3211 and is rotatably engaged with the first bearing 324.

Further, in the present embodiment, referring to fig. 3, the transmission assembly 320 further includes a second bearing 325, the second bearing 325 is disposed in the first transmission structure 321, and the first transmission structure 321 is rotatably connected to the second transmission structure 322 through the second bearing 325; the provision of the second bearing 325 facilitates transmission between the first transmission arrangement 321 and the second transmission arrangement 322.

Further, in this embodiment, referring to fig. 3, the transmission assembly 320 further includes a third bearing 326 and a fourth bearing 327, the third bearing 326 and the fourth bearing 327 are respectively disposed at two ends of the third transmission structure 323, the third transmission structure 323 is rotatably connected to the second transmission structure 322 through the third bearing 326, the third transmission structure 323 is rotatably connected to the abutting member 100 through the fourth bearing 327, and the third bearing 326 and the fourth bearing 327 are disposed to facilitate transmission among the second transmission structure 322, the third transmission structure 323, and the abutting member 100.

In one embodiment, referring to fig. 6, a protection member 220 for fixing and protecting the elastic sleeve 200 is sleeved on an outer side of the elastic sleeve 200.

Referring to fig. 1, 5 and 6, the fascia gun according to another preferred embodiment of the present invention includes a transmission mechanism 10 and a massage protrusion 20 as described in any of the above embodiments, wherein the massage protrusion 20 is connected to the pushing member 100 and is adapted to contact the body of the user. Specifically, in this embodiment, the massage projection 20 is removably coupled to the pusher 100, thereby facilitating the replacement of different types of massage projections 20 to meet the needs of the user.

Further, in the present embodiment, referring to fig. 1, fig. 5 and fig. 6, the fascial gun further includes a casing 30, the transmission mechanism 10 is located in the casing 30, the elastic shaft sleeve 200 is fixed in the casing 30, and the massage protrusion 20 partially extends into the casing 30 and is connected to the pushing element 100; the power assembly 300 is used for driving the abutting element 100 to move back and forth relative to the elastic shaft sleeve 200 along the axial direction of the abutting element 100, so as to drive the massage protrusion 20 to move back and forth relative to the casing 30 along the axial direction of the abutting element 100, so that the massage protrusion 20 performs back and forth impact on the body of the user, and thus the massage recovery effect of the fascial gun is achieved. Specifically, the power source bracket 313 is fixed within the casing 30.

In one embodiment, referring to fig. 6, the fascial gun further comprises a power supply unit 60, the power supply unit 60 is disposed in the casing 30 and electrically connected to the power assembly 300, and the power supply unit 60 is used for supplying power to the power assembly 300. Specifically, the power supply unit 60 may be, but is not limited to, a battery.

Further, in the present embodiment, referring to fig. 6, the fascial gun further includes a switch 40 and a main control 50, the switch 40 is disposed on the casing 30, the main control 50 is disposed in the casing 30, the switch 40 is electrically connected to the main control 50, and the main control 50 is further electrically connected to the power assembly 300, so that a user can operate the switch 40 to control the start and stop of the power assembly 300 through the main control 50. Specifically, the main control 50 is also electrically connected to the power supply unit 60, so as to supply power to the main control 50 through the power supply unit 60.

Further, in the present embodiment, referring to fig. 5 and 6, the housing 30 has a holding portion 31 for the user to hold the fascial gun.

The utility model provides a use mode of manadesma rifle as follows:

referring to fig. 1 to 6, a user operates the switch 40 to start the power assembly 300 through the main control 50, the power source 311 drives the connecting member 3121 of the fourth transmission structure 312 to rotate around its own axis relative to the housing 30, so as to drive the transmission member 3122 of the fourth transmission structure 312 to rotate eccentrically relative to the connecting member 3121, so as to drive the first transmission structure 321 to rotate eccentrically relative to the housing 30 in a predetermined space, so as to drive the second transmission structure 322 to swing reciprocally relative to the housing 30 in a predetermined plane, so as to drive the third transmission structure 323 to move reciprocally relative to the housing 30 along the axis of the supporting member 100, so as to drive the supporting member 100 to move reciprocally relative to the elastic shaft sleeve 200 along the axis of the supporting member 100, and finally drive the massage raised head 20 of the fascia gun to impact the fascia gun to the user in a reciprocating manner, so as to achieve the massage recovery effect of the fascia gun body; after the massage is completed, the user operates the switch 40 to turn off the power assembly 300 through the main control 50.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.

Claims (10)

1. A transmission mechanism, comprising:

the pushing and supporting piece is used for being connected with the massage raised head;

the elastic shaft sleeve is sleeved on the outer side of the pushing and abutting piece and is provided with a cutting gap; and

the power assembly is connected with the pushing and abutting piece and used for driving the pushing and abutting piece to reciprocate along the axial direction of the pushing and abutting piece relative to the elastic shaft sleeve so as to drive the massage raised head to reciprocate along the axial direction of the pushing and abutting piece, and the elastic shaft sleeve is used for guiding the reciprocating movement of the pushing and abutting piece along the axial direction of the elastic shaft sleeve; the inner diameter of the elastic shaft sleeve can be adjusted by changing the width of the cutting gap along the circumferential direction of the elastic shaft sleeve, so that the elastic shaft sleeve is in close contact with the pushing part in the radial direction of the pushing part.

2. The transmission mechanism as claimed in claim 1, wherein the power assembly comprises a driving assembly and a transmission assembly which are connected, the pushing member is connected with the transmission assembly, and the driving assembly is used for driving the pushing member to move back and forth relative to the elastic shaft sleeve along the axial direction of the pushing member through the transmission assembly.

3. The transmission mechanism according to claim 2, wherein the transmission assembly includes a first transmission structure, a second transmission structure and a third transmission structure which are rotatably connected in sequence, the first transmission structure is further rotatably connected to the driving assembly, the third transmission structure is further rotatably connected to the abutting member, and the driving assembly is configured to drive the first transmission structure to eccentrically rotate in a preset space, so as to drive the second transmission structure to reciprocally swing in a preset plane, and further drive the third transmission structure to reciprocally move along an axial direction of the abutting member, so as to drive the abutting member to reciprocally move along the axial direction of the abutting member relative to the elastic shaft sleeve.

4. The transmission mechanism as claimed in claim 3, wherein the driving assembly includes a power source and a fourth transmission structure connected to each other, the fourth transmission structure is further rotatably connected to the first transmission structure, and the power source is configured to drive the fourth transmission structure to rotate around an axial direction of the power source, so as to drive the first transmission structure to rotate eccentrically in the predetermined space.

5. The transmission mechanism as claimed in claim 4, wherein the fourth transmission structure comprises a connecting member and a transmission member connected with each other, wherein one end of the connecting member away from the transmission member is connected with the power source, and one end of the transmission member away from the connecting member is rotatably connected with the first transmission structure; the axial direction of the transmission part and the axial direction of the connecting part are arranged at a preset acute angle; the power source is used for driving the connecting piece to rotate around the self axial direction so as to drive the transmission piece to rotate around the axial eccentricity of the connecting piece, and further drive the first transmission structure to rotate around the axial eccentricity of the connecting piece in a preset space.

6. The transmission mechanism as claimed in claim 5, wherein the fourth transmission structure includes an intermediate member, the intermediate member being disposed between the connecting member and the transmission member; the intermediate member is including the first side and the second side of back to setting up, first side with the acute angle setting is predetermine to the second side, first side with the connecting piece is connected perpendicularly, the second side with the driving medium is connected perpendicularly, so that the axial of driving medium with the axial of connecting piece is predetermine the acute angle setting.

7. The transmission mechanism as recited in claim 4, wherein the transmission assembly further comprises a first bearing disposed within the first transmission structure, and wherein the fourth transmission structure is rotationally coupled to the first transmission structure via the first bearing.

8. The transmission mechanism according to claim 3, wherein the second transmission structure is provided with a space avoiding portion, and the space avoiding portion is used for avoiding the third transmission structure in the process of reciprocating movement along the axial direction of the pushing member.

9. The transmission mechanism as claimed in claim 1, wherein a protection member for fixing and protecting the elastic bushing is sleeved outside the elastic bushing.

10. A fascial gun, comprising:

a transmission according to any one of claims 1 to 9; and

and the massage raised head is connected with the pushing piece.

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