CN111658483A

CN111658483A - Low-noise transmission mechanism and fascia gun with same

Info

Publication number: CN111658483A
Application number: CN202010652428.XA
Authority: CN
Inventors: 应成硕; 应时立
Original assignee: Jinhua Langlijie Electromechanical Technology Co ltd
Current assignee: Jinhua Langlijie Electromechanical Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-09-15

Abstract

The invention discloses a low-noise transmission mechanism and a fascia gun with the same, wherein the fascia gun comprises a transmission mechanism, a shell, a driving motor, a massage head, a power supply mechanism and a control circuit; one end of the transmission mechanism is connected with the driving motor, the other end of the transmission mechanism is detachably connected with the massage head, the transmission mechanism comprises an eccentric wheel, a connecting rod, a sliding plug and a sliding sleeve fixed in the shell, the eccentric wheel is fixed with the power output end of the driving motor, one end of the connecting rod is connected with a wheel shaft of the eccentric wheel, the other end of the connecting rod is fixedly connected with the sliding plug, and the sliding plug is detachably connected with the massage head; the sliding sleeve is sleeved on the outer side of the sliding plug, a plurality of O-shaped ring fixing grooves are formed in the inner side of the sliding sleeve or the outer side of the sliding plug along the circumference, a plurality of O-shaped rings are correspondingly arranged in the O-shaped ring fixing grooves, and the sliding plug is connected with the sliding sleeve in a sliding mode; the O-shaped ring is used for supporting the sliding plug to do reciprocating motion, so that the friction coefficient between the sliding sleeve and the sliding plug is reduced, the noise in operation is reduced, and the service life is prolonged.

Description

Low-noise transmission mechanism and fascia gun with same

Technical Field

The invention relates to the technical field of massage, health care and treatment instruments, in particular to a low-noise transmission mechanism and a fascia gun with the same.

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. Currently, fascia guns are good tools to assist in stretch recovery after exercise. Can be used by professional athletes and the rest body-building people. The vibration massage mainly massages large muscle groups, relaxes fascia, reduces the pain feeling and is more effective in training. The fascial gun utilizes the vibration frequency to relieve muscle spasm, increase blood flow and greatly shorten muscle recovery time.

The fascia gun on the market at present has the advantages of high noise, short service life, high manufacturing cost, larger structure and inconvenient use. In order to realize the reciprocating linear motion of the piston, the piston is driven to move by the linear connecting rod in the prior art, and the sliding sleeve and the piston are directly rubbed to generate noise, so that the sliding sleeve and the piston are easy to wear and reduce the service life.

Therefore, it is an urgent need to solve the problem of providing a transmission mechanism with simple structure, low noise and small structure and a fascial gun with the same.

Disclosure of Invention

In view of this, the invention provides a transmission mechanism with simple structure, low noise and small structure and a fascia gun with the transmission mechanism.

In order to achieve the purpose, the invention adopts the following technical scheme: a low-noise transmission mechanism is arranged in a shell, one end of the transmission mechanism is connected with a driving motor, the other end of the transmission mechanism is detachably connected with a massage head, and the transmission mechanism comprises an eccentric wheel, a connecting rod, a sliding plug and a sliding sleeve fixed in the shell;

the eccentric wheel is fixed with the power output end of the driving motor; one end of the connecting rod is fixedly connected with a wheel shaft of the eccentric wheel, and the other end of the connecting rod is fixedly connected with the sliding plug; the sliding sleeve is established the sliding plug outside, the sliding sleeve inboard or a plurality of O type circle fixed slots have been seted up along the circumference in the outside of sliding plug, and a plurality of O type circles are corresponding to be located a plurality ofly in the O type circle fixed slot, the sliding plug with sliding sleeve sliding connection, the sliding plug with massage head can dismantle the connection.

The O-shaped ring is arranged on the sliding sleeve or the sliding plug and used for supporting the sliding plug to do reciprocating motion, and through the design of the O-shaped ring, the friction coefficient between the sliding sleeve and the sliding plug is greatly reduced, the noise in operation is reduced, and the service lives of the sliding sleeve and the sliding plug are prolonged.

Furthermore, the eccentric wheel is horizontally arranged, a concave groove is formed in the side face, close to the driving motor, of the eccentric wheel, a downward convex cylinder is arranged on the side face, far away from the concave groove, of the eccentric wheel to form the wheel shaft, the concave groove and the central line of the wheel shaft are not on the same vertical line, and the concave groove is fixedly connected with the power output end of the driving motor; the connecting rod comprises a first connecting rod and a second connecting rod which are parallel in the horizontal direction and are arranged in a staggered mode from top to bottom and from left to right, one ends of the first connecting rod and the second connecting rod which are close to each other are connected through a connecting rod, the other end of the first connecting rod is fixedly connected with the wheel shaft, and the other end of the second connecting rod is fixedly connected with the sliding plug.

Furthermore, the connecting rods are of a Z-shaped structure, the lower end, namely the first connecting rod, is fixedly connected with the wheel shaft, and the higher end, namely the second connecting rod, is fixedly connected with the sliding plug.

The lower end of the transmission mechanism, namely the first connecting rod is fixedly connected with the wheel shaft, so that the height of the mounting position of the driving motor in the shell is reduced by more than 50%, the height of the driving motor is reduced, the shaking damage to the driving motor is reduced, and the Z-shaped connecting rod shortens the length of the whole mechanism, so that the whole shape of the transmission mechanism is smaller, the structure is more compact and more attractive; and the Z-shaped connecting rod structure is adopted, when the sliding plug runs to the dead point of the eccentric wheel under the pressure of external force, the Z-shaped connecting rod structure is utilized to buffer the force to ensure that the driving motor is not easy to be dead, and the service life of the driving motor is prolonged.

Furthermore, a gap of 0.2mm-1.5mm is formed between the sliding sleeve and the sliding plug, the O-shaped ring fixing groove is an arc-shaped groove of 1/2-3/4 circles, and 1/2-3/4 of the O-shaped ring main body is arranged in the O-shaped ring fixing groove; and the O-shaped ring is made of silicon rubber or silicon fluorine rubber or polyurethane rubber or acrylate rubber.

The O-shaped ring made of the materials has high wear resistance, oil resistance and corrosion resistance, the service life of the O-shaped ring can be prolonged, 1/2-3/4 of the O-shaped ring main body is arranged in the O-shaped ring fixing groove, the position of the O-shaped ring can be effectively limited, and the O-shaped ring is prevented from being separated from the O-shaped ring fixing groove to influence the operation of the sliding plug.

Furthermore, the sliding plug is formed by injection molding of polyformaldehyde, polytetrafluoroethylene or nylon, and the sliding plug made of the materials has the advantages of high self-lubricating strength, no need of machining and light weight. The cost is reduced by more than 50%. The friction coefficient is reduced due to the self-lubricating of the material, so that the noise is further reduced, and the service life of the sliding plug is prolonged.

The fascia gun comprises a shell, the transmission mechanism, a driving motor, a massage head, a power supply mechanism and a control circuit, wherein the transmission mechanism, the driving motor, the massage head, the power supply mechanism and the control circuit are positioned in the shell; the outer shell is cylindrical and is provided with a cylindrical cavity extending along a longitudinal axis, one end of the cylindrical cavity is open, the sliding sleeve is fixed in the cylindrical cavity and is close to the open end, the driving motor is fixed in the outer shell, and the eccentric wheel is fixed with the power output end of the driving motor; the sliding plug is detachably connected with the massage head; the massage device is characterized in that one end of the massage head is detachably connected with the sliding plug, the other end of the massage head is arranged outside the opening end of the cylindrical cavity, the shell corresponds to the driving motor, a power supply shell extends downwards, the power supply mechanism is arranged inside the power supply shell, the control circuit is arranged at one end, far away from the massage head, of the cylindrical cavity, the power supply mechanism supplies power to the control circuit and the driving motor, and the control circuit is electrically connected with the driving motor.

Further, the shell inboard is equipped with the motor spud pile, the driving motor outside is equipped with the motor fixed plate, be equipped with the fixed orifices on the motor fixed plate, the yielding rubber circle is established to the fixed orifices inboard, the motor fixed plate passes through the fixed orifices is fixed in on the motor spud pile.

According to the invention, the vibration damage to the driving motor can be effectively reduced by adopting the damping rubber ring at the connecting part of the motor fixing plate and the motor fixing pile, and the driving motor is effectively prevented from being pressed when running to the dead point of the eccentric wheel.

Further, the power supply mechanism comprises a storage battery and a charging connector, the charging connector is electrically connected with the storage battery, and the charging connector is a tip-c port or a miniusb port; the storage battery is electrically connected with the control circuit and the driving motor;

furthermore, the control circuit comprises a gear switch, a display and a main control mainboard; the end of the shell, corresponding to the cylindrical cavity and far away from the massage head, is provided with the gear switch and a display mounting hole; the gear switch and the display are arranged in the mounting hole;

the main control mainboard is electrically connected with the storage battery through the gear switch, and the main control mainboard is electrically connected with the display and the driving motor in a communication mode.

Further, the massage head is any one of a flat type massage head, a spherical type massage head, a forked type massage head and a conical type massage head.

Further, the driving motor is a brushless motor.

The massage head and the sliding plug are detachably connected, and in the using process, a user can select a proper massage head according to the self requirement, such as any one of a flat massage head, a spherical massage head, a forked massage head and a conical massage head to be connected with the sliding plug, so that the user has a wide selection range; the invention can be provided with a gear switch and a display, the gear switch can select various gears and is suitable for different people, and the display displays the use time, the mode, the gears, the electric quantity and the like, and is convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a low noise transmission mechanism according to the present invention;

FIG. 2 is a schematic view of another low noise transmission mechanism according to the present invention;

FIG. 3 is a schematic diagram of a structure of an eccentric wheel and a connecting rod in a low-noise transmission mechanism according to the present invention;

FIG. 4 is a schematic diagram of the overall mechanism of a fascia gun according to the present invention;

fig. 5 is a schematic view of another massage head structure in a fascia gun according to the present invention.

Wherein, 1 is a shell; 2 is a driving motor; 3 is a massage head; 4 is a transmission mechanism; 41 is an eccentric wheel; 42 is a connecting rod; 43 is a sliding plug; 44 is a sliding sleeve; 411 grooves; 412 is an axle; 21 is a motor fixing plate; 5 is an O-shaped ring; 6 is a damping rubber ring; 7 is a power supply mechanism; 71 is a storage battery; 72 is a charging connector; 8 is a control circuit, and 81 is a gear switch; 82 is a display; and 83 is a main control main board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and fig. 3, the embodiment of this embodiment discloses a low-noise transmission mechanism, which is disposed inside a housing 1, has one end connected to a driving motor 2, and the other end detachably connected to a massage head 3, and comprises an eccentric wheel 41, a connecting rod 42, a sliding plug 43, and a sliding sleeve 4 fixed inside the housing 1;

the eccentric wheel 41 is fixed with the power output end of the driving motor 2; one end of the connecting rod 42 is fixedly connected with the axle 412 of the eccentric wheel 41, and the other end is fixedly connected with the sliding plug 43; the sliding sleeve 44 is sleeved outside the sliding plug 43, 2O-ring fixing grooves are formed in the inner side of the sliding sleeve 44 along the circumference, 2O-rings 5 are arranged in the O-ring fixing grooves, and the sliding plug 43 is connected with the sliding sleeve 44 in a sliding mode; the sliding plug 43 is detachably connected with the massage head 3.

The O-shaped ring is arranged on the sliding sleeve 44 or the sliding plug 43 and used for supporting the sliding plug 43 to do reciprocating motion, and the design of the O-shaped ring greatly reduces the friction coefficient between the sliding sleeve 44 and the sliding plug 43, reduces the noise in operation and prolongs the service life of the sliding sleeve and the sliding plug.

In this embodiment, the eccentric wheel 41 is horizontally disposed, a concave groove 411 is disposed on a side surface close to the driving motor 2, a downwardly convex cylinder is disposed on a side surface far from the concave groove 411 to form a wheel shaft 412, the concave groove 411 and a central line of the wheel shaft 412 are not on the same vertical line, the concave groove 411 is fixedly connected with a power output end of the driving motor 2, the connecting rods include a first connecting rod and a second connecting rod which are horizontally parallel and staggered up and down, left and right, and one end of the two close to each other is connected through a connecting rod, the other end of the first connecting rod is fixedly connected with the wheel shaft, and the other end of the second connecting rod is fixedly connected with the.

In this embodiment, the link 42 is similar to a mirror-image "Z" shaped structure, the link 42 is horizontally disposed, the lower end, i.e., the first link, is fixedly connected to the axle 412, and the upper end and the second link are fixedly connected to the sliding plug 43.

The lower end of the invention, namely the first connecting rod is fixedly connected with the wheel shaft 412, so that the height of the mounting position of the driving motor 2 in the shell 1 is reduced by more than 50 percent, the height of the driving motor 2 is reduced, the shaking damage to the driving motor 2 is reduced, and the Z-shaped connecting rod shortens the length of the whole mechanism, so that the whole shape of the transmission mechanism 4 is smaller, the structure is more compact and more beautiful; and the Z-shaped connecting rod structure is adopted, when the sliding plug is pressed by external force and the driving motor runs to the dead point of the eccentric wheel 41, the Z-shaped connecting rod structure is utilized to buffer the force and the driving motor from being easily pressed, and the service life of the driving motor 2 is prolonged.

In this embodiment, a gap of 0.2mm to 1.5mm is provided between the sliding sleeve 44 and the sliding plug 43, the O-ring fixing groove is an arc-shaped groove of 1/2 to 3/4 circles, 1/2 to 3/4 of the main body of the O-ring 5 are provided in the O-ring fixing groove, and the O-ring 5 is made of a silicon-fluorine rubber.

The O-shaped ring 5 has high wear resistance, oil resistance and corrosion resistance, can reduce noise and has long service life.

As shown in fig. 2, in another embodiment, 2O-ring fixing grooves are circumferentially formed on the outer side of the sliding plug 43, 2O-rings 5 are disposed in the O-ring fixing grooves and located at two ends of the sliding plug 43, and the sliding plug 43 is slidably connected to the sliding sleeve 44, so that the shaking of the sliding plug can be reduced.

In other embodiments, there may be a plurality of O-ring fixing grooves, and there may be a plurality of corresponding O-rings 5.

In other embodiments, the O-ring 5 is made of silicone rubber or urethane rubber or acrylate rubber.

In this embodiment, the sliding plug 43 is formed by nylon injection molding.

In other embodiments, the sliding plug 43 is made of polyoxymethylene, polytetrafluoroethylene or nylon by injection molding, and the sliding plug 43 made of the materials has the advantages of high self-lubricating property, high strength, no need of machining, light weight and reduced energy consumption. And the manufacturing cost is reduced by more than 50%. The friction coefficient is reduced due to the self-lubricating of the material, so that the noise is further reduced, and the service life of the sliding plug is prolonged.

As shown in fig. 4: a fascia gun, which comprises a shell 1, the low-noise transmission mechanism 4 positioned in the shell 1, a driving motor 2, a power supply mechanism 7, a control circuit 8 and a massage head 3 positioned outside the shell 1;

the casing 1 is cylindrical and has a cylindrical cavity extending along the axis, one end of the cylindrical cavity is open, the sliding sleeve 44 is fixed in the cylindrical cavity and close to the open end, and the driving motor 2 is fixed in the casing 1;

the eccentric wheel 41 is fixed with the power output end of the driving motor 2; the sliding plug 43 is detachably connected with the massage head 3;

the first 3 one end of massage can be dismantled with sliding plug 43 and be connected, and the other end is located the outside of cylindricality chamber open end, and shell 1 corresponds driving motor 2 downwardly extending and supplies power the casing, and power supply mechanism 7 is located inside the power supply casing, and the one end of massage first 3 is kept away from to the cylindricality chamber is located to control circuit 8, and power supply mechanism 7 supplies power for control circuit 8 and driving motor 2, and control circuit is connected with driving motor 2 electricity.

In this embodiment, 1 inboard of shell is equipped with the motor spud pile, and the 2 outsides of driving motor are equipped with motor fixing plate 21, are equipped with the fixed orifices on the motor fixing plate 21, and damping rubber circle 6 is established to the fixed orifices inboard, and motor fixing plate 21 is fixed in on the motor spud pile through the fixed orifices.

The embodiment adopts the damping rubber ring 6, so that the vibration damage to the driving motor 2 can be effectively reduced, and the driving motor 2 is effectively prevented from being pressed when running to the dead point of the eccentric wheel 41.

In this embodiment, the power supply mechanism 7 includes a storage battery 71 and a charging connector 72, the charging connector 72 is electrically connected to the storage battery 71, and the charging connector 72 is a tip-c port or a miniusb port; the battery 71 is electrically connected to the control circuit 8 and the drive motor 2;

in this embodiment, the control circuit 8 includes a gear switch 81, a display 82, and a main control board 83; one end of the shell 1 corresponding to the cylindrical cavity far away from the massage head 3 is provided with a gear switch 81 and a display 82 mounting hole; the gear switch 81 and the display 82 are arranged in the mounting hole;

the main control main board 83 is electrically connected with the storage battery 71 through the shift switch 81, and the main control main board 83 is electrically connected with the display 82 and the driving motor 2 in a communication manner.

The specific gear switch 81 comprises 5 gears of off, on, low, middle and high gears, and adopts touch setting, the display 82 can display the current mode, when the gear switch 81 is placed in the on gear, the display 82 is lighted, the display 82 displays the battery power, the display mode, the display gear and the like, a user can select the mode on the display 82 through a button or directly, the modes in the embodiment are 4, and the modes are respectively corresponding to 4 massage heads for use; in other embodiments, there are any number.

In this embodiment, the massage head 3 is a ball-shaped massage head;

in another embodiment, as shown in fig. 5, the massage head 3 is a cone-type massage head.

In other embodiments, the massage head 3 is a fork-type massage head, etc.

In this embodiment, the driving motor is a brushless motor.

The massage head 3 in the embodiment is detachably connected with the sliding plug 43, and in the use process, a user can select a proper massage head 3 such as any one of a flat massage head, a spherical massage head, a forked massage head and a conical massage head to be connected with the sliding plug 43 according to the requirement of the user, so that the selection range of the user is wide; and this embodiment can have gear switch 81 and display 82, and gear switch can select multiple gear, is applicable to different crowds to display 82 shows live time, mode, gear, electric quantity etc. and it is convenient to use, and for prior art, this embodiment compact structure is small and exquisite, and small in noise, longe-lived, charges conveniently, easy operation, it is convenient to use.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the embodiments. Thus, the present embodiments are not intended to be limited to the embodiments shown herein but are to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A low-noise transmission mechanism is arranged in a shell (1), one end of the transmission mechanism is connected with a driving motor (2), and the other end of the transmission mechanism is detachably connected with a massage head (3), and the transmission mechanism is characterized by comprising an eccentric wheel (41), a connecting rod (42), a sliding plug (43) and a sliding sleeve (4) fixed in the shell (1);

the eccentric wheel (41) is fixed with the power output end of the driving motor (2);

one end of the connecting rod (42) is fixedly connected with a wheel shaft (412) of the eccentric wheel (41), and the other end of the connecting rod is fixedly connected with the sliding plug (43);

the sliding sleeve (44) is sleeved on the outer side of the sliding plug (43), a plurality of O-shaped ring fixing grooves are formed in the inner side of the sliding sleeve (44) or the outer side of the sliding plug (43) along the circumference, a plurality of O-shaped rings (5) are correspondingly arranged in the O-shaped ring fixing grooves, and the sliding plug (43) is connected with the sliding sleeve (44) in a sliding mode;

the sliding plug (43) is detachably connected with the massage head (3).

2. A low-noise transmission mechanism according to claim 1, wherein the eccentric wheel (41) is horizontally arranged, and the side surface of the eccentric wheel close to the driving motor (2) is provided with a concave groove (411), the side surface far away from the concave groove (411) is provided with a cylinder protruding downwards to form the wheel shaft (412), the concave groove (411) and the central line of the wheel shaft (412) are not on the same vertical line, and the concave groove (411) is fixedly connected with the power output end of the driving motor (2); the connecting rod (42) comprises a first connecting rod and a second connecting rod which are parallel in the horizontal direction and are arranged in a staggered mode from top to bottom and from left to right, one ends of the first connecting rod and the second connecting rod which are close to each other are connected through a connecting rod, the other end of the first connecting rod is fixedly connected with the wheel shaft (412), and the other end of the second connecting rod is fixedly connected with the sliding plug (43).

3. A low noise transmission mechanism according to claim 2, wherein a gap of 0.2mm to 1.5mm is provided between the sliding sleeve (44) and the sliding plug (43), the O-ring fixing groove is a circular arc groove of 1/2 to 3/4 circles, and 1/2 to 3/4 of the body of the O-ring (5) is provided in the O-ring fixing groove.

4. A low noise transmission according to claim 3, wherein said O-ring (5) is made of silicone rubber or silicone fluoro rubber or urethane rubber or acrylate rubber.

5. A low noise transmission mechanism according to claim 3, wherein said sliding plug (43) is injection molded from polyoxymethylene or polytetrafluoroethylene or nylon.

6. Fascia gun, comprising a housing (1), a low-noise transmission mechanism (4) according to any of claims 1 to 5 in the housing (1), a driving motor (2), a power supply mechanism (7), a control circuit (8) and a massage head (3) outside the housing (1);

the outer shell (1) is cylindrical and is provided with a cylindrical cavity extending along an axis, one end of the cylindrical cavity is open, the sliding sleeve (44) is fixed in the cylindrical cavity and is close to the open end, and the driving motor (2) is fixed in the outer shell (1);

the eccentric wheel (41) is fixed with the power output end of the driving motor (2); the sliding plug (43) is detachably connected with the massage head (3);

massage head (3) one end with sliding plug (43) can be dismantled and be connected, and the other end is located the cylindricality chamber open end is outside, shell (1) corresponds driving motor (2) downwardly extending extends the power supply casing, power supply mechanism (7) are located inside the power supply casing, control circuit (8) are located the cylindricality chamber is kept away from the one end of massage head (3), power supply mechanism (7) do control circuit (8) and driving motor (2) power supply, control circuit with driving motor (2) electricity is connected.

7. The transmission mechanism with low noise according to claim 6, wherein a motor fixing pile is arranged on the inner side of the housing (1), a motor fixing plate (21) is arranged on the outer side of the driving motor (2), a fixing hole is arranged on the motor fixing plate (21), a damping rubber ring (6) is arranged on the inner side of the fixing hole, and the motor fixing plate (21) is fixed on the motor fixing pile through the fixing hole.

8. Fascia gun according to claim 6, characterized in that the power supply means (7) comprises a battery (71), a charging connection (72);

the charging connecting port (72) is electrically connected with the storage battery (71), and the charging connecting port (72) is a tip-c port or a miniusb port; the storage battery (71) is electrically connected with the control circuit (8) and the driving motor (2).

9. Fascia gun according to claim 6, characterized in that the control circuit (8) comprises an in-position switch (81), a display (82), a main control board (83); one end, corresponding to the cylindrical cavity, of the shell (1) and far away from the massage head (3) is provided with the gear switch (81) and a display (82) mounting hole, and the gear switch (81) and the display (82) are arranged in the mounting hole;

the main control mainboard (83) is connected with the storage battery (71) through the gear switch (81), and the main control mainboard (83) is connected with the display (82) and the driving motor (2) in a communication and electric mode.

10. The fascia gun according to any of claims 6 to 9, wherein the massage head (3) is any one of a flat type massage head, a ball type massage head, a fork type massage head and a cone type massage head.