CN214596466U - Fascia gun - Google Patents

Abstract

The utility model relates to a fascia rifle, include: a drive bearing; the driving mechanism is connected to the transmission bearing and can drive the transmission bearing to act; one end of the swing arm is connected to the transmission bearing and can perform reciprocating linear motion based on the action of the transmission bearing; and the knocking mechanism is connected to the swing arm and moves synchronously with the swing arm. The technical scheme of the utility model is that the driving bearing is driven by the driving mechanism to act, the swing arm is driven to do reciprocating linear motion in the action process of the driving bearing, and the knocking mechanism is connected on the swing arm and synchronously carries out reciprocating linear motion with the swing arm, thereby realizing the purpose of knocking and massaging; compare in traditional crankshaft connecting rod structure, this manadesma rifle's overall structure is simple, has better transmission stability and dynamic balance performance.

Description

Fascia gun

Technical Field

The utility model relates to a manadesma rifle technical field especially relates to a manadesma rifle.

Background

The fascia gun is a massage apparatus, such as a structure of a pistol, and comprises a fascia gun body, a fascia gun handle and a massage head. The massage head can vibrate in a reciprocating way, and the massage head is pressed on the body of a user, so that the effects of relaxing muscles and stimulating blood circulation can be achieved.

The fascia rifle on the existing market is often driven by a traditional crankshaft connecting rod structure, and the traditional crankshaft connecting rod structure has the defects of complex overall structure, large volume, large internal space occupation of the fascia rifle, poor transmission stability, poor dynamic balance performance and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel manadesma rifle, this manadesma rifle inside be used for driven part simple structure, occupation space less, have better transmission stability and dynamic balance performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fascial gun, comprising:

a drive bearing;

the driving mechanism is connected to the transmission bearing and can drive the transmission bearing to act;

one end of the swing arm is connected to the transmission bearing and can perform reciprocating linear motion based on the action of the transmission bearing;

and the knocking mechanism is connected to the swing arm and moves synchronously with the swing arm.

Preferably, the drive bearing comprises: the driving mechanism is connected to the bearing inner ring piece and can drive the bearing inner ring piece to rotate; the bearing outer ring piece is sleeved on the outer surface of the bearing inner ring piece and can perform reciprocating linear motion based on the rotation of the bearing inner ring piece, and the swing arm is connected to the bearing outer ring piece.

Preferably, the outer surface of the bearing inner race member is provided with an inclined track, the inner side of the bearing outer race member is provided with an annular track corresponding to the inclined track, a plurality of balls are movably arranged in the inclined track, and each ball is at least partially positioned in the annular track.

Preferably, the bearing outer ring piece is radially provided with a first opening, and one end of the swing arm, which is far away from the knocking mechanism, is arranged in the first opening in a penetrating manner;

or, the swing arm and the bearing outer ring piece are integrally formed.

Preferably, the bearing inner ring piece is provided with a first through hole along the axial direction;

the drive mechanism includes: the motor is connected with one end of the transmission shaft into a whole, and the motor can drive the transmission shaft to rotate; one end of the transmission shaft, which is far away from the motor, penetrates into and out of the first through hole, and the transmission shaft is connected with the inner wall of the first through hole into a whole.

Preferably, the fascial gun further comprises: the upper shell is detachably connected with the lower shell, a containing cavity is formed in the upper shell and the lower shell in a surrounding mode, the transmission bearing, the driving mechanism, the swing arm and the knocking mechanism are located in the containing cavity, and one end, far away from the swing arm, of the knocking mechanism penetrates out of the lower shell and can perform reciprocating linear motion relative to the lower shell.

Preferably, a first groove is formed on a surface of the lower housing facing the upper housing, and the motor is disposed in the first groove.

Preferably, a third clamping groove is formed in the inner wall, facing the lower shell, of the upper shell, a fourth clamping groove corresponding to the third clamping groove is formed in the inner wall, facing the upper shell, of the lower shell, and the third clamping groove and the fourth clamping groove are spliced to form a limiting station;

the drive mechanism further includes: and the motor support is used for fixing the motor and is fixed in the limiting station.

Preferably, the surface of the lower shell facing the upper shell is provided with a second groove, a first bearing is arranged in the second groove, the first bearing is fixed and limited in the second groove through a bearing gland, and one end of the transmission shaft, which is far away from the motor, axially penetrates through the first bearing and can rotate relative to the first bearing.

Preferably, the striking mechanism comprises: the massage device comprises a first connecting rod, a piston and a massage head, wherein the first connecting rod and the piston are provided with two ends; the first end of the first connecting rod is connected with the swing arm into a whole through a first switching structure, the second end of the first connecting rod is connected with the first end of the piston into a whole through a second switching structure, and the massage head is fixedly connected with the second end of the piston.

Preferably, a pair of first shaft sleeve parts are formed at the first end of the first connecting rod, the first shaft sleeve parts are arranged in parallel at intervals, and a first through clamping groove is correspondingly formed in each first shaft sleeve part;

the first rotating structure comprises a first pin shaft, a second through hole is formed in the first pin shaft along the radial direction, and one end, far away from the transmission bearing, of the swing arm penetrates through the second through hole; the two axial end parts of the first pin shaft penetrate through the first through clamping grooves in a one-to-one correspondence mode.

Preferably, first snap springs are arranged at two axial end portions of the first pin shaft, and the first snap springs are correspondingly clamped in the first through clamping grooves one by one.

Preferably, a third through hole is formed in the second end of the first connecting rod, a transfer groove is formed in the first end of the piston, and the second end of the first connecting rod penetrates through the transfer groove; the piston is provided with a pair of second penetrating clamping grooves communicated with the third through hole, and each second penetrating clamping groove is positioned at two axial ends of the third through hole;

the second switching structure comprises a second pin shaft and a second bearing, the second pin shaft penetrates through the second bearing, two ends of the second pin shaft penetrate through the second through clamping grooves in a one-to-one correspondence mode, and the second bearing is arranged in the third through hole.

Preferably, second snap springs are arranged at two axial ends of the second pin shaft, and the second snap springs are correspondingly clamped in the second through clamping grooves one by one.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the fascia gun provided by the technical scheme drives the transmission bearing to act through the driving mechanism, the swing arm is driven to do reciprocating linear motion in the action process of the transmission bearing, and the knocking mechanism is connected to the swing arm and synchronously performs reciprocating linear motion with the swing arm, so that the aim of knocking and massaging is fulfilled; compare in traditional crankshaft connecting rod structure, this manadesma rifle's overall structure is simple, has better transmission stability and dynamic balance performance.

Drawings

Fig. 1 is a schematic view of a fascia gun according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the upper housing shown in fig. 1.

Fig. 3 is a schematic view of the upper housing shown in fig. 2 from another perspective.

Fig. 4 is a schematic view of the lower housing shown in fig. 1.

Fig. 5 is a schematic view of the lower housing shown in fig. 4 from another perspective.

Fig. 6 is a schematic view of the lower housing shown in fig. 1 from another perspective.

Fig. 7 is a schematic view of the end cap of fig. 1.

Fig. 8 is a partial schematic view of the fascial gun of fig. 1.

Fig. 9 is an exploded view of a portion of the fascial gun of fig. 8.

Fig. 10 is a schematic view of the first adapting structure shown in fig. 9.

Fig. 11 is a schematic view of the second adapting structure shown in fig. 9.

Fig. 12 is a schematic view of the drive bearing of fig. 9.

Fig. 13 is a schematic view of the guide structure shown in fig. 1.

Fig. 14 is a schematic view of another structure of the guide structure shown in fig. 1.

Fig. 15 is a schematic structural view of the lower housing shown in fig. 1 from another perspective.

100. A fascia gun; 10. an upper housing; 11. a first surface; 12. a third surface; 13. a third card slot; 14. a positioning column; 15. a first mounting portion; 151. a first bayonet; 20. a lower housing; 21. a second surface; 22. a fourth surface; 23. a fourth card slot; 24. positioning holes; 25. a second mounting portion; 251. a second bayonet; 26. a first groove; 27. a first convex portion; 28. a second groove; 29. a first mounting through hole; 291. a second thread; 292. a fastening groove; 201. a guide sleeve fixing part; 30. a first card slot; 40. a first clip strip; 50. a second card slot; 60. a second card strip; 70. an end cap; 71. a first clamping part; 72. a second clamping part; 80. a guide structure; 81. a first guide hole; 82. a guide sleeve; 821. a second mounting through hole; 822. a first thread; 823. a fastening part; 824. an abutting portion; 83. a guide tube; 90. a drive bearing; 91. a bearing inner race member; 911. an inclined rail; 912. a ball bearing; 913. a first through hole; 92. a bearing outer race member; 921. an annular track; 101. a drive mechanism; 1011. a motor; 1012. a drive shaft; 1013. a motor bracket; 102. swinging arms; 103. a knocking mechanism; 104. a first bearing; 1041. a bearing gland; 105. a first link; 1051. a first boss portion; 1052. the first through clamping groove; 1053. a third through hole; 106. a piston; 1061. a transfer groove; 1062. a second through slot; 107. a massage head; 108. a first switching structure; 1081. a first pin shaft; 1082. a second through hole; 1083. a first clamp spring; 109. a second switching structure; 1091. a second pin shaft; 1092. a second bearing; 1093. and a second clamp spring.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1 to 7, in one embodiment of the present invention, a novel fascial gun 100 is provided, wherein the fascial gun 100 has a compact structure, is easy to disassemble, has a small volume, and has a good applicability.

The fascia gun 100 includes at least: go up casing 10 and casing 20 down, go up and to dismantle between casing 10 and the casing 20 and connect and enclose mutually and establish and be formed with and hold the chamber. A first card slot 30 is formed at the first surface 11 of the upper housing 10 facing the lower housing 20, as shown in fig. 2; the first clamping strip 40 corresponding to the first clamping groove 30 is arranged on the second surface 21 of the lower shell 20 facing the upper shell 10, as shown in fig. 4, the first clamping strip 40 is in clamping fit with the first clamping groove 30, that is, the upper shell 10 and the lower shell 20 can be connected to form an integral structure based on the clamping fit of the first clamping strip 40 and the first clamping groove 30, and the inner space of the accommodating cavity can be effectively saved.

Wherein, the first surface 11 is an arc surface, and the first clamping groove 30 is an arc groove; the second surface 21 is an arc surface, and the first locking strip 40 corresponds to the first locking groove 30 and is arranged in an arc shape.

It is understood that, in addition to the first card slot 30 being provided at the first surface 11 and the first card strip 40 being provided at the second surface 21, the first card slot 30 may be provided on the second surface 21 and the first card strip 40 may be provided on the first surface 11 by those skilled in the art.

In one embodiment, in order to further save the space inside the accommodating chamber of the fascial gun 100, a second clamping groove 50 is formed on the third surface 12 of the upper casing 10 facing the lower casing 20, as shown in fig. 2; be equipped with the second card strip 60 corresponding with second draw-in groove 50 on the fourth surface 22 that casing 20 faced upward casing 10 down, as shown in fig. 4, second card strip 60 and second draw-in groove 50 joint mutually to the joint cooperation based on second card strip 60 and second draw-in groove 50 between the messenger upper casing 10 and casing 20 can be dismantled and be connected, need not to set up columnar structure and can realize going up the dismantlement between casing 10 and the lower casing 20 and be connected holding intracavity inner space effectively sparingly.

It is understood that one skilled in the art may have second card slot 50 disposed at fourth surface 22 and second card strip 60 disposed at third surface 12 in addition to second card slot 50 disposed at third surface 12 and second card strip 60 disposed at fourth surface 22.

In one embodiment, as shown in fig. 2 and 4, in order to facilitate the assembly of the upper casing 10 and the lower casing 20, the positioning post 14 is disposed on the inner wall of the upper casing 10 facing the lower casing 20, the positioning hole 24 corresponding to the positioning post 14 is formed on the inner wall of the lower casing 20 facing the upper casing 10, and the positioning post 14 can penetrate through the positioning hole 24 to achieve the effect of installation and positioning, so as to avoid the occurrence of deviation or shaking during the installation process of the upper casing 10 and the lower casing 20. In addition, the positioning post 14 and the positioning hole 24 can be screwed together by screws or the like.

In one embodiment, as shown in fig. 1, the fascia gun 100 further comprises an end cap 70, wherein the end cap 70 is detachably disposed at the end of the fascia gun 100. A first mounting portion 15 is formed at one end of the upper casing 10 in an extending manner, as shown in fig. 2, the first mounting portion 15 is located at an end of the upper casing 10 far away from the first surface 11; one end of the lower housing 20 extends to form a second mounting portion 25 corresponding to the first mounting portion 15, as shown in fig. 4, the second mounting portion 25 is located at one end of the lower housing 20 away from the second surface 21, and the first mounting portion 15 and the second mounting portion 25 are spliced together to form an annular structure, so that the first mounting portion 15 and the second mounting portion 25 both penetrate into the end cover 70 and are detachably connected with the end cover 70.

As shown in fig. 3 and 6, a first bayonet 151 is formed on a side surface of the first mounting portion 15 facing away from the second mounting portion 25, and a second bayonet 251 is formed on a side surface of the second mounting portion 25 facing away from the first mounting portion 15; a first clamping portion 71 corresponding to the first clamping opening 151 is arranged on the inner side wall of the end cover 70, and the first clamping portion 71 is clamped at the first clamping opening 151, so that the first mounting portion 15 is fixedly connected in the end cover 70; be equipped with the second joint portion 72 that corresponds with second bayonet 251 on the inside wall of end cover 70, second joint portion 72 joint is in second bayonet 251 department to make second joint portion 72 fixed connection in end cover 70, so that end cover 70 can fix last casing 10, lower casing 20, prevent that last casing 10 and lower casing 20 break away from mutually.

In one embodiment, referring to fig. 8-12, the fascial gun 100 further comprises: driving bearing 90, actuating mechanism 101, swing arm 102 and strike mechanism 103, driving bearing 90 sets up the holding cavity that encloses at last casing 10 and lower casing 20.

Specifically, the transmission bearing 90 is connected to a driving mechanism 101, and the driving mechanism 101 is used for driving the transmission bearing 90 to move, that is: the driving mechanism 101 can drive the transmission bearing 90 to rotate, and meanwhile, the transmission bearing 90 can convert the rotation process into reciprocating linear motion; one end of the swing arm 102 is connected to the transmission bearing 90 and can perform reciprocating linear motion based on the action of the transmission bearing 90; the knocking mechanism 103 is connected to the swing arm 102 and moves synchronously with the swing arm 102, that is, the knocking mechanism 103 and the swing arm 102 move synchronously in a reciprocating linear motion, as shown in fig. 8, one end of the knocking mechanism 103, which is far away from the swing arm 102, penetrates through the end portion of the lower housing 20, which is close to the first surface 11, and the knocking mechanism 103 can move in a reciprocating linear motion relative to the lower housing 20, so as to achieve a knocking massage effect. It can be understood that, in the embodiment, the transmission bearing 90 is adopted to replace the traditional crankshaft connecting rod structure for transmission, so that the transmission is stable, and the dynamic balance performance is better; in addition, transmission bearing 90 is as transmission structure, compares in traditional bent axle connecting rod structure, and transmission bearing 90's volume is less, and the required accommodation chamber space that occupies is less, and the inner structure of fascial rifle 100 is compacter. Wherein, drive bearing 90 includes: the bearing inner ring 91 and the bearing outer ring 92, and the driving mechanism 101 is connected to the bearing inner ring 91 and can drive the bearing inner ring 91 to rotate; swing arm 102 is connected on bearing outer race piece 92, and bearing outer race piece 92 cover is established on bearing inner race piece 91 to can carry out reciprocal linear motion based on the rotation of bearing inner race piece 91, promptly: when the bearing inner ring 91 rotates under the driving of the driving mechanism 101, the bearing outer ring 92 will make reciprocating linear motion relative to the bearing inner ring 91, and the bearing outer ring 92 drives the swing arm 102 to make synchronous reciprocating linear motion.

As shown in fig. 12, an inclined rail 911 is provided on an outer surface of the bearing inner race member 91, a plurality of balls 912 are movably installed in the inclined rail 911, each ball 912 can roll in the inclined rail 911, and each ball 912 is at least partially located outside the inclined rail 911; an annular track 921 corresponding to the inclined track 911 is formed on the inner side of the bearing outer race member 92, and each ball 912 is at least partially located in the annular track 921, that is, each ball 912 is located between the inclined track 911 and the annular track 921, so that the bearing outer race member 92 is synchronously driven to perform reciprocating linear motion during the rotation of the bearing inner race member 91.

Wherein, the bearing outer ring piece 92 is radially provided with a first open hole, and the end of the swing arm 102 far away from the knocking mechanism 103 is penetrated in the first open hole, so that the swing arm 102 and the bearing outer ring piece 92 are in an integrated structure, and further the swing arm 102 and the bearing outer ring piece 92 can synchronously perform reciprocating linear motion.

It is understood that the swing arm 102 and the bearing outer ring 92 can be integrally formed, besides the swing arm 102 and the bearing outer ring 92 can be connected into an integral structure.

Wherein, the bearing inner ring 91 is provided with a first through hole 913 along the axial direction; the driving mechanism 101 comprises a motor 1011 and a transmission shaft 1012, wherein the motor 1011 is connected with one end of the transmission shaft 1012 into a whole; when the motor 1011 runs, the motor 1011 can drive the transmission shaft 1012 to rotate; one end of the transmission shaft 1012, which is far away from the motor 1011, penetrates through the first through hole 913, and a portion of the transmission shaft 1012, which is located in the first through hole 913, is connected to an inner wall of the first through hole 913 into a whole, so that the bearing inner ring 91 can rotate around the transmission shaft 1012 as an axis under the driving of the transmission shaft 1012 in the rotation process of the transmission shaft 1012.

It can be understood that a spline is fixedly arranged in the first through hole 913, and the circumferential outer side surface of the transmission shaft 1012 is connected with the inner wall of the first through hole 913 into a whole through the spline; the motor 1011 is fixedly connected to the driving shaft 1012 through a shaft (not shown) to rotate the driving shaft 1012 based on the rotation of the shaft.

As shown in fig. 5, a first groove 26 is formed on the surface of the lower housing 20 facing the upper housing 10, and the motor 1011 is fixedly disposed in the first groove 26, and is limited by the limit fit between the upper housing 10 and the lower housing 20. In addition, a first protrusion 27 is formed on the surface of the lower case 20 facing away from the upper case 10, and the first protrusion 27 is disposed corresponding to the first groove 26, that is: the first groove 26 is formed at the first protrusion 27, and the first groove 26 is formed by protruding the lower case 20 in a direction away from the upper case 10, so that the inner space of the fascial gun 100 can be saved.

In order to fix the motor 1011, the driving mechanism 101 further includes a motor bracket 1013 for fixing the motor 1011, as shown in fig. 8; be equipped with third draw-in groove 13 at the inner wall of last casing 10 face lower casing 20, lower casing 20 is equipped with the fourth draw-in groove 23 corresponding with third draw-in groove 13 towards the inner wall of face casing 10, and third draw-in groove 13 forms with fourth draw-in groove 23 concatenation mutually and is used for carrying out spacing station to motor support 1013, and motor support 1013 is fixed to be set up in spacing station.

It can be understood that the third clamping groove 13 and the fourth clamping groove 23 are spliced to form a through clamping groove structure (namely, a limiting station), and the motor support 1013 is located in the clamping groove structure so as to prevent the motor support 1013 from shaking based on the clamping groove structure, thereby ensuring that the motor 1011 is always in a stable state in the operation process.

Wherein, the surface that faces the upper housing 10 at the lower housing 20 is formed with the second recess 28, and place the first bearing 104 that is used for supporting and fixed transmission shaft 1012 in the second recess 28, the one end of transmission shaft 1012 is kept away from the motor 1011 is worn to locate the first bearing 104 axially, and transmission shaft 1012 can rotate for first bearing 104, so set up, can effectively reduce the space that places first bearing 104 required, also make the overall structure of fascial gun 100 more compact when being convenient for provide sufficient space and arrange other structures.

In addition, in order to limit and fix the first bearing 104, a bearing cover 1041 is further provided on the first bearing 104, that is: the first bearing 104 is placed in the second groove 28, the bearing gland 1041 is fixed on the surface of the lower shell 20 in a threaded manner and is arranged corresponding to the second groove 28, and one side of the first bearing 104, which faces away from the bottom of the second groove 28, corresponds to the bearing gland 1041, so that the first bearing 104 is fixed and limited in the second groove 28 based on the bearing gland 1041.

In one embodiment, as shown in fig. 8 and 9, the striking mechanism 103 includes: a first connecting rod 105, a piston 106 and a massage head 107, wherein a first end of the first connecting rod 105 (i.e. the end of the first connecting rod 105 close to the swing arm 102) is connected with the swing arm 102 into a whole through a first switching structure 108; the second end of the first link 105 (i.e. the end of the first link 105 away from the swing arm 102) is integrally connected to the first end of the piston 106 (i.e. the end of the piston 106 close to the first link 105) through a second adapter 109, the massage head 107 is fixedly connected to the second end of the piston 106 (i.e. the end of the piston 106 away from the first link 105), and the end of the massage head 107 away from the piston 106 is located outside the lower housing 20. It can be understood that, when the swing arm 102 makes a reciprocating linear motion, the swing arm 102 drives the first connecting rod 105 to make a reciprocating linear motion, the first connecting rod 105 drives the piston 106 to make a reciprocating linear motion, the piston 106 drives the massage head 107 to make a reciprocating linear motion, and then the knocking action is realized based on the reciprocating linear motion of the massage head 107, so that the knocking massage effect can be achieved.

A pair of first bushing portions 1051 are formed at the first end of the first link 105, each first bushing portion 1051 is parallel to and spaced apart from each other, a gap is formed between the two first bushing portions 1051, and a first through-slot 1052 is correspondingly formed on each first bushing portion 1051, as shown in fig. 9.

As shown in fig. 10, the first adapting structure 108 includes a first pin 1081, the first pin 1081 has a second through hole 1082 along a radial direction, one end of the swing arm 102 far away from the transmission bearing 90 is inserted into the second through hole 1082, two axial ends of the first pin 1081 are inserted into the first through slots 1052 in a one-to-one correspondence manner, so that the swing arm 102 drives the first connecting rod 105 to perform a synchronous motion. In addition, one end of the swing arm 102, which is far away from the transmission bearing 90, is in interference fit with the second through hole 1082; the connection between the first pin 1081 and the swing arm 102 limits the rotation of the bearing outer race member 92 so that the bearing outer race member 92 can only perform a reciprocating linear motion.

In order to prevent the first pin shaft 1081 from moving in series, the two axial ends of the first pin shaft 1081 are respectively provided with a first snap spring 1083, and when the two axial ends of the first pin shaft 1081 are correspondingly arranged in the first through-slots 1052 one by one, the first snap springs 1083 can be correspondingly clamped in the first through-slots 1052 one by one. In addition, decoupling gaps exist between the first pin shaft 1081 and each first shaft sleeve portion 1051, and the first pin shaft 1081 and the first shaft sleeve portions 1051 can roll relatively, so that vibration and noise generated in the transmission process can be effectively reduced.

A third through hole 1053 is formed at the second end of the first connecting rod 105, an adapting groove 1061 is correspondingly formed at the first end of the piston 106, and the second end of the first connecting rod 105 penetrates into the adapting groove 1061; a pair of second through-slots 1062 communicating with the third through-hole 1053 are formed at the first end of the piston 106, and each second through-slot 1062 is located at both axial ends of the third through-hole 1053.

As shown in fig. 11, the second adapting structure 109 includes a second pin 1091 and a second bearing 1092, the second pin 1091 is inserted into the second bearing 1092, that is, the second bearing 1092 is sleeved on the circumferential outer side surface of the second pin 1091; two ends of the second pin 1091 are correspondingly inserted into the second through slots 1062, and the second bearings 1092 are located in the third through holes 1053.

In order to avoid the second pin 1091 from moving, second snap springs 1093 are arranged at two ends of the second pin 1091, and the second snap springs 1093 are correspondingly clamped in the second through slots 1062 one by one. In addition, the second bearing 1092 can be a needle bearing, which can effectively reduce vibration and noise during transmission.

It is understood that the operation of the fascia gun 100 provided in the above embodiments can be described as follows:

the motor 1011 runs and drives the transmission shaft 1012 to rotate, the transmission shaft 1012 drives the bearing inner ring piece 91 to rotate, and the bearing outer ring piece 92 performs reciprocating linear motion based on the rotation of the bearing inner ring piece 91; the swing arm 102 and the bearing outer ring member 92 move synchronously, the first connecting rod 105 is driven by the swing arm 102 to perform reciprocating linear motion, the piston 106 and the first connecting rod 105 move synchronously, and the massage head 107 and the piston 106 perform reciprocating linear motion synchronously, so that knocking massage is performed on a user.

In one embodiment, referring to fig. 13 and 14, in order to guide and position the moving direction of the piston 106 and the massage head 107, the fascial gun 100 further includes: and a guide structure 80, wherein a first mounting through hole 29 communicated with the accommodating cavity is formed at the end part of the lower shell 20, the guide structure 80 is detachably connected to the inner wall of the first mounting through hole 29, meanwhile, the guide structure 80 is provided with a first guide hole 81 communicated with the accommodating cavity, one end of the piston 106 far away from the first connecting rod 105 is arranged in the first guide hole 81 and can perform reciprocating linear motion along the axial direction of the first guide hole 81, and thus the motion path of the piston 106 and the massage head 107 is limited based on the first guide hole 81.

It can be understood that the guiding structure 80, besides guiding and positioning the movement path of the piston 106 and the massage head 107, is also convenient to replace when the guiding structure 80 is damaged, so as to avoid the influence on the normal use of the fascial gun 100 caused by the incapability of replacing the guiding structure 80.

As shown in fig. 13, the guiding structure 80 at least includes: the guide sleeve 82 and the guide pipe 83, at least part of the guide sleeve 82 penetrates into the first mounting through hole 29 and is detachably connected with the inner wall of the first mounting through hole 29; the guide sleeve 82 is provided with a second mounting through hole 821 communicated with the accommodating cavity, the guide pipe 83 is fixedly arranged in the second mounting through hole 821, and the first guide hole 81 is arranged on the guide pipe 83 and communicated with the second mounting through hole 821.

It will be appreciated that the guide tube 83 has an axial length less than that of the second mounting through hole 821; the circumferential outer side wall of the guide pipe 83 is in interference fit with the inner wall of the second mounting through hole 821, so that the guide pipe 83 and the guide sleeve 82 are of an integrated structure; in addition, the guide tube 83 may be a metal tube.

It can be understood that, in the process of the reciprocating linear motion of the piston 106, the guide sleeve 82 and the guide tube 83 can play a role in guiding and positioning, and can also ensure that the piston 106 and the first connecting rod 105 have higher coaxiality, so as to reduce the vibration and noise generated in the transmission process, and effectively improve the use experience of a user.

In order to reduce the frictional resistance that exists when the piston 106 moves in the first guide hole 81, a lubricating layer made of grease is applied to the inner wall of the first guide hole 81.

In one embodiment, as shown in fig. 5 and 13, a first thread 822 is formed on an outer circumferential surface of the guide sleeve 82, a second thread 291 corresponding to the first thread 822 is formed on an inner wall of the first mounting through hole 29, and the first thread 822 is in threaded engagement with the second thread 291, so that the guide sleeve 82 is in threaded engagement with the lower housing 20 to form an integral structure through threaded engagement between the first thread 822 and the second thread 291.

In one embodiment, as shown in fig. 14 and 15, a buckling portion 823 is disposed on an outer circumferential surface of the guide sleeve 82, a buckling groove 292 corresponding to the buckling portion 823 is formed on an inner wall of the first mounting through hole 29, and the buckling portion 823 is buckled on the buckling groove 292, so that the guide sleeve 82 is buckled with the lower housing 20 to form an integral structure through buckling engagement of the buckling portion 823 and the buckling groove 292.

It can be understood that the circumferential outer side surface of the guide sleeve 82 can be provided with a plurality of buckling parts 823, and the inner wall of the first mounting through hole 29 is correspondingly provided with the same number of buckling grooves 292 as the buckling parts 823.

As shown in fig. 14, the locking groove 292 is formed with a locking channel and a positioning channel, the positioning channel is engaged with the locking channel, and the locking portion 823 can move along the positioning channel to the locking channel and is locked and matched with the locking channel. It can be understood that the clamping portion 823 is firstly matched with the positioning channel, and then the guide sleeve 82 is rotated to enable the clamping portion 823 to be in clamping fit with the clamping channel, so that detachable connection between the guide sleeve 82 and the lower shell 20 is achieved. In order to ensure the connection stability between the guide bush 82 and the lower case 20, two locking portions 823 are symmetrically provided on the outer circumferential surface of the guide bush 82, and two locking grooves 292 are symmetrically provided on the inner wall of the first mounting through hole 29. When the guide sleeve 82 is damaged, the guide sleeve 82 can be detached from the lower shell 20 by rotating the guide sleeve 82, so that the guide sleeve 82 can be replaced conveniently.

The locking groove 292 is L-shaped, and the length of the positioning groove is shorter than that of the locking groove.

As shown in fig. 8, a guide sleeve fixing portion 201 is formed at an end of the lower case 20 to extend, and the first mounting through hole 29 is formed at the guide sleeve fixing portion 201 and communicates with the accommodating chamber. An abutting portion 824 is formed at an end portion of the guide sleeve 82 away from the accommodating chamber, and the abutting portion 824 abuts against an axial end face of the guide sleeve fixing portion 201 away from the accommodating chamber to prevent the guide sleeve 82 from penetrating completely into the first mounting through hole 29.

The fascia gun 100 provided in the above embodiment drives the driving bearing 90 to move through the driving mechanism 101, the swing arm 102 is driven to perform reciprocating linear motion in the process of the movement of the driving bearing 90, and the knocking mechanism 103 is connected to the swing arm 102 and performs reciprocating linear motion synchronously with the swing arm 102, so that the purpose of knocking and massaging is achieved; compared with the traditional crankshaft connecting rod structure, the fascia gun 100 is simple in overall structure and has good transmission stability and dynamic balance performance.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (14)

1. A fascial gun, comprising:

a drive bearing (90);

the driving mechanism (101) is connected to the transmission bearing (90) and can drive the transmission bearing (90) to act;

a swing arm (102), one end of the swing arm (102) being connected to the transmission bearing (90) and capable of reciprocating linear motion based on the motion of the transmission bearing (90);

the knocking mechanism (103) is connected to the swing arm (102) and moves synchronously with the swing arm (102).

2. The fascia gun according to claim 1, wherein the drive bearing (90) comprises: the bearing inner ring piece (91) and the bearing outer ring piece (92), the driving mechanism (101) is connected to the bearing inner ring piece (91) and can drive the bearing inner ring piece (91) to rotate; the bearing outer ring piece (92) is sleeved on the outer surface of the bearing inner ring piece (91) and can perform reciprocating linear motion based on the rotation of the bearing inner ring piece (91), and the swing arm (102) is connected to the bearing outer ring piece (92).

3. The fascial gun of claim 2, wherein an inclined track (911) is formed on the outer surface of the bearing inner ring (91), an annular track (921) corresponding to the inclined track (911) is formed on the inner side of the bearing outer ring (92), a plurality of balls (912) are movably arranged in the inclined track (911), and each ball (912) is at least partially positioned in the annular track (921).

4. The fascial gun of claim 2, wherein the bearing outer ring (92) is radially provided with a first opening, and an end of the swing arm (102) far away from the knocking mechanism (103) is arranged in the first opening in a penetrating way

Alternatively, the swing arm (102) is integrally formed with the bearing outer race member (92).

5. The fascial gun of claim 2, wherein the bearing inner ring (91) has a first through hole (913) formed therein along an axial direction;

the drive mechanism (101) comprises: the motor (1011) and the transmission shaft (1012), wherein the motor (1011) is connected with one end of the transmission shaft (1012) into a whole, and the motor (1011) can drive the transmission shaft (1012) to rotate; one end of the transmission shaft (1012) far away from the motor (1011) penetrates into and out of the first through hole (913), and the transmission shaft (1012) is connected with the inner wall of the first through hole (913) into a whole.

6. The fascia gun according to claim 5, wherein the fascia gun (100) further comprises: go up casing (10) and casing (20) down, go up casing (10) can dismantle connect in casing (20) down, just go up casing (10) with casing (20) enclose mutually and establish and are formed with and hold the chamber down, transmission bearing (90) actuating mechanism (101) swing arm (102) reach strike mechanism (103) all are located hold the intracavity, strike mechanism (103) and keep away from the one end of swing arm (102) is worn out casing (20) down and can for casing (20) down carries out reciprocal linear motion.

7. The fascia gun according to claim 6, wherein a surface of the lower housing (20) facing the upper housing (10) is formed with a first groove (26), and the motor (1011) is disposed in the first groove (26).

8. The fascia gun as claimed in claim 6, wherein a third clamping groove (13) is formed on the inner wall of the upper shell (10) facing the lower shell (20), a fourth clamping groove (23) corresponding to the third clamping groove (13) is formed on the inner wall of the lower shell (20) facing the upper shell (10), and the third clamping groove (13) and the fourth clamping groove (23) are spliced to form a limiting station;

the drive mechanism (101) further comprises: the motor support (1013) is used for fixing the motor (1011), and the motor support (1013) is fixed in the limiting station.

9. The fascia gun as claimed in claim 6, wherein a second groove (28) is formed on the surface of the lower housing (20) facing the upper housing (10), a first bearing (104) is arranged in the second groove (28), the first bearing (104) is fixedly limited in the second groove (28) by a bearing gland (1041), and one end of the transmission shaft (1012) far away from the motor (1011) axially penetrates through the first bearing (104) and can rotate relative to the first bearing (104).

10. Fascia gun according to any of claims 1-9, characterized in that the striking mechanism (103) comprises: a first connecting rod (105), a piston (106) and a massage head (107), wherein the first connecting rod (105) and the piston (106) are provided with two ends; the first end of the first connecting rod (105) is connected with the swing arm (102) into a whole through a first switching structure (108), the second end of the first connecting rod (105) is connected with the first end of the piston (106) into a whole through a second switching structure (109), and the massage head (107) is fixedly connected with the second end of the piston (106).

11. The fascial gun of claim 10, wherein the first end of the first link (105) is formed with a pair of first hub portions (1051), each of the first hub portions (1051) being spaced apart from one another in parallel, and each of the first hub portions (1051) being correspondingly formed with a first through-slot (1052);

the first switching structure (108) comprises a first pin shaft (1081), a second through hole (1082) is formed in the first pin shaft (1081) along the radial direction, and one end, far away from the transmission bearing (90), of the swing arm (102) penetrates through the second through hole (1082); two axial ends of the first pin shaft (1081) penetrate through the first through clamping grooves (1052) in a one-to-one correspondence mode.

12. The fascia gun as claimed in claim 11, wherein first clamp springs (1083) are respectively disposed at two axial ends of the first pin shaft (1081), and each of the first clamp springs (1083) is engaged with each of the first through clamp grooves (1052) in a one-to-one correspondence.

13. The fascial gun of claim 10, wherein the second end of the first link (105) defines a third through-hole (1053), the first end of the piston (106) defines a transition slot (1061), and the second end of the first link (105) is disposed in the transition slot (1061); the piston (106) is provided with a pair of second through clamping grooves (1062) communicated with the third through hole (1053), and each second through clamping groove (1062) is positioned at two axial ends of the third through hole (1053);

the second adapting structure (109) comprises a second pin shaft (1091) and a second bearing (1092), the second pin shaft (1091) penetrates through the second bearing (1092), two ends of the second pin shaft (1091) penetrate through the second through slots (1062) in a one-to-one correspondence manner, and the second bearing (1092) is arranged in the third through hole (1053).

14. The fascia gun as claimed in claim 13, wherein second clamp springs (1093) are disposed at two axial ends of the second pin (1091), and each second clamp spring (1093) is correspondingly clamped with each second through clamp groove (1062).

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