CN215350535U

CN215350535U - Transmission mechanism with split type transverse elastic support and fascia gun

Info

Publication number: CN215350535U
Application number: CN202120266010.5U
Authority: CN
Inventors: 杨翠芝
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-31
Filing date: 2021-01-31
Publication date: 2021-12-31
Anticipated expiration: 2031-01-31

Abstract

The utility model provides a transmission mechanism with a split type transverse elastic support and a fascia gun, wherein the transmission mechanism is used as a bearing of an eccentric wheel to be driven to perform eccentric motion, the bearing is transversely transmitted around a waist-shaped bearing transmission hole, and synchronous axial equidistant reciprocating linear motion of a transmission rod is realized through elastic change of the transverse elastic support. This drive mechanism is owing to adopted the split type horizontal elastic support structural design of no guide arm, guide pin bushing, makes no friction, no lubrication between each moving part of manadesma rifle, has not only practiced thrift manufacturing cost greatly, has avoided running resistance and oil dirt pollution, and the electric energy loss that reduces moreover has increased the time of endurance of manadesma rifle, has reduced the running noise of manadesma rifle, has prolonged the life of manadesma rifle, simple structure, and is small and exquisite portable, convenient to use.

Description

Transmission mechanism with split type transverse elastic support and fascia gun

Technical Field

The utility model belongs to the technical field of massage equipment, and particularly relates to a transmission mechanism with a split type transverse elastic support and a fascia gun.

Background

With the development of science and technology, the living standard of people is continuously improved, more and more people begin to pursue the use of science and technology products to improve the self health level and relieve the working pressure and the fatigue of the body, and people not only massage with the help of massagers and large and medium-sized massage equipment, but also become the favor of more and more people through a small and portable fascia gun. The fascia gun, also called deep fascia impact instrument, is a massage tool for human soft tissues, and relaxes the soft tissues of the body by high-frequency impact. The fascial gun drives the massage head by utilizing a specially-made high-speed motor inside the fascial gun to generate high-frequency impact action to reach the deep layer of muscles, thereby achieving the effects of reducing local tissue tension, relieving pain, promoting blood circulation and the like. The traditional fascia rifle transmission device is mainly characterized in that a motor drives an eccentric wheel, the eccentric wheel drives a transmission rod to reciprocate, and because the reciprocating direction of the transmission rod is limited, a guide rod and a guide sleeve are required to be arranged between the transmission rod and the fascia rifle, so that the motion resistance and the noise are reduced, lubricating oil is required to be filled between the guide rod and the guide sleeve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides a transmission mechanism with a split type transverse elastic support and a fascia gun.

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

a transmission mechanism with a split type transverse elastic bracket comprises the transverse elastic bracket, an eccentric wheel mechanism and a transmission rod; the transverse elastic support is in a long strip shape, support fixing connecting parts are arranged at two ends of the transverse elastic support and fixedly connected with a part fixed on the fascia gun, a transmission rod mounting hole is formed in the middle of the transverse elastic support, and the transmission rod penetrates through the transmission rod mounting hole and is fixedly connected with the transverse elastic support; the eccentric wheel mechanism comprises a bearing serving as an eccentric wheel; the transmission rod is provided with a waist-shaped bearing transmission hole, the bearing is movably arranged in the waist-shaped bearing transmission hole and is in transmission fit with the transmission rod, the long axis of the waist-shaped bearing transmission hole is vertical to the axis of the transmission rod, the length of the short axis of the waist-shaped bearing transmission hole is matched with the diameter of the bearing, the bearing is provided with a transverse gap in the direction of the long axis of the waist-shaped bearing transmission hole, and the transverse gap is the stroke of the transmission rod in the direction of the short axis or the axial reciprocating linear motion of the transmission rod; the bearing as an eccentric wheel is driven to do eccentric motion, the bearing transversely transmits around a waist-shaped bearing transmission hole, and synchronous axial equidistant reciprocating linear motion of the transmission rod is realized through elastic change of the transverse elastic bracket.

Preferably, the transmission mechanism with the split type transverse elastic support further comprises a base, the base is a part fixed on the fascia gun fixedly connected with the transverse elastic support, and a base fixing connection part fixedly connected with the support fixing connection part is arranged on the base.

Preferably, the base is a rectangular semi-open shell with an upward opening.

Preferably, the base is integrally formed by injection molding of engineering plastics or die casting of aluminum alloy.

Preferably, the left side and the right side of the base are provided with 4 base fixing holes fixedly connected with the fascia gun.

Preferably, the base fixing connection part is a fixing column, a fixing claw or a fixing groove.

Preferably, the eccentric wheel mechanism further comprises a motor and a bearing mounting seat, the bearing mounting seat is fixedly connected with an output shaft of the motor, the bearing is fixedly mounted on the bearing mounting seat, the axis of the bearing is parallel to and deviates from the axis of the output shaft of the motor, a through hole is formed in the bottom of the base, the bearing and the bearing mounting seat are sequentially inserted into the through hole to mount the motor below the base, and the axis of the output shaft of the motor is perpendicular to the axis of the transmission rod.

Preferably, the number of the transverse elastic supports is two, support mounting grooves are respectively formed in the front and rear parts of the bearing fixing hole on the transmission rod, and the two transverse elastic supports are respectively fixedly mounted in the support mounting grooves.

Preferably, the bottom surface of the bracket mounting groove and the mounting hole of the transmission rod are axially circular or are circular with a plane on one side or are polygonal with more than 2 strips, and the mounting hole of the transmission rod is adapted to the bracket mounting groove and is in interference fit with the bracket mounting groove.

Preferably, a bearing gland is arranged at the upper opening of the waist-shaped bearing transmission hole, a pressing surface is arranged on one surface, in contact with the bearing, of the bearing gland, and the pressing surface is in contact with the upper end surface of the bearing so as to limit the axial displacement of the bearing and control the smoothness of the motion of the transmission rod.

Preferably, the transmission mechanism with the split type transverse elastic support further comprises a massage head, a transmission rod connecting sleeve is arranged on the inner side of the massage head, and the transmission rod connecting sleeve is detachably and fixedly connected with the outer end of the transmission rod.

Preferably, the massage head is cylindrical, oblate or spherical, U-shaped or mushroom-shaped.

Preferably, a cable fixing frame is arranged in the middle of any one side or the left side and the right side of the base, and a cable inlet notch is formed in the outer side of the cable fixing frame.

The utility model also provides a fascia gun which comprises the transmission mechanism with the split type transverse elastic bracket.

Preferably, the fascia gun further comprises a direct current power supply and an electric control board, and the direct current power supply, the electric control board and the motor are electrically connected.

Preferably, the fascia gun further comprises a casing, the casing comprises an upper casing and a lower casing, an electric control board mounting part is arranged in the upper casing, the electric control board is fixedly arranged on the electric control board mounting part, the direct-current power supply is a self-contained battery or an external power supply, the battery of the direct-current power supply is inserted and fixed in the lower casing, or an external power supply socket is clamped or screwed and fixed on a bottom plate of the lower casing, the transmission mechanism with the split type transverse elastic support is arranged between the upper casing and the lower casing, 4 fixing columns corresponding to 4 base fixing holes are arranged on the lower casing or the upper casing, damping gaskets are sleeved on the fixing columns, the base is fixedly connected with the fixing columns through the base fixing holes and the damping gaskets, the transmission mechanism with the split type transverse elastic support except for 4 fixing points, the rest parts are all suspended in the shell.

Compared with the prior art, the transmission mechanism with the split type transverse elastic support and the fascia gun have the following outstanding advantages:

the mechanism adopts the elastic support structural design without guide rods and guide sleeves, so that no friction and no lubrication exist between all moving parts of the fascial gun, the production cost is greatly saved, the running resistance and oil dust pollution are avoided, the electric energy loss is reduced, the endurance time of the fascial gun is prolonged, the running noise of the fascial gun is reduced, the service life of the fascial gun is prolonged, and the fascial gun is simple in structure, small and portable and convenient to use.

Drawings

FIG. 1 is a cross-sectional view A-A of FIG. 3 of the present invention;

FIG. 2 is a cross-sectional view B-B of FIG. 4 in accordance with the present invention;

FIG. 3 is a front view of the transmission mechanism of the present invention with a split transverse resilient mount;

FIG. 4 is a bottom view of the transmission mechanism of the present invention with a split transverse resilient mount;

FIG. 5 is a perspective view of the transmission mechanism of the present invention having a split transverse resilient mount;

FIG. 6 is an exploded view of the transmission of the present invention with a split transverse resilient mount;

FIG. 7 is an exploded view of the fascial gun of the present invention;

fig. 8 is a schematic view of the power socket of the lower casing of the fascial gun of the utility model.

In the figure:

1-transverse elastic support, 2-motor fixing screw, 3-motor, 4-via hole, 5-output shaft, 6-bearing mounting seat, 7-flange, 8-base, 9-annular groove, 9 a-connecting sleeve groove, 10-transmission rod, 11-base fixing connection part, 12-support fixing connection part, 12 a-transmission rod mounting hole, 13-bearing gland, 14-gland fixing screw, 15-waist-shaped bearing transmission hole, 16-cable fixing frame, 17-bearing, 19-base fixing hole, 20-wire inlet notch, 23-support mounting groove, 24- "O" shaped rubber ring, 28-massage head, 29-transmission rod connecting sleeve, 30-neck sleeve, 31-vibration damping washer, 32-base fixing screw, 33-electric control board, 34-upper shell, 35-power button, 36-neck, 37-fixing column, 38-lower shell, 39-shell fixing screw, 40-handle part, 41-direct current power supply, 42-lower shell bottom plate and 43-power socket.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples.

As shown in fig. 1-8, a transmission mechanism with a split type transverse elastic bracket comprises a transverse elastic bracket 1, an eccentric wheel mechanism, a transmission rod 10, a massage head 28 and a base 8.

The transverse elastic support 1 is in a long strip shape, the two ends of the transverse elastic support 1 are provided with support fixing and connecting parts 12, the support fixing and connecting parts 12 are fixedly connected with a part fixed on the fascia gun, the middle part of the transverse elastic support 1 is provided with a transmission rod mounting hole 12a, and the transmission rod 10 penetrates through the two transmission rod mounting holes 12a and is fixedly connected with the two support mounting grooves 23 in the middle parts of the two transverse elastic supports 1.

The eccentric wheel mechanism comprises a bearing 17 serving as an eccentric wheel, and the bearing 17 is a deep groove ball bearing or a rubber-coated deep groove ball bearing. In this embodiment, the eccentric wheel mechanism further includes a motor 3 and a bearing mounting seat 6, the bearing mounting seat 6 is fixedly connected with the output shaft 5 of the motor 3, the bearing 17 is fixedly mounted on the bearing mounting seat 6, and an axis of the bearing 17 is parallel to and deviated from an axis of the output shaft 5 of the motor 3.

Through hole 4 has been seted up to base 8 bottom, bearing 17, bearing mount pad 6 insert in proper order through hole 4 will motor 3 is installed the below of base 8, the axis of the output shaft 5 of motor 3 with the axis of transfer line 10 is perpendicular.

The transmission rod 10 is provided with a waist-shaped bearing transmission hole 15, the bearing 17 is movably arranged in the waist-shaped bearing transmission hole 15 and is in transmission fit with the transmission rod 10, the long axis of the waist-shaped bearing transmission hole 15 is perpendicular to the axis of the transmission rod 10, the length of the short axis of the waist-shaped bearing transmission hole 15 is matched with the diameter of the bearing 17, the bearing 17 is provided with a transverse gap in the direction of the long axis of the waist-shaped bearing transmission hole 15, and the gap is the stroke of the transmission rod 10 in the direction of the short axis or the axial reciprocating linear motion of the transmission rod 10.

The bottom surface of the bracket mounting groove 23 and the transmission rod mounting hole 12a are axially circular or are axially circular with a plane on one side or are polygonal with more than 2 pieces, and the transmission rod mounting hole 12a is adapted to the bracket mounting groove 23 and is in interference fit with the bracket mounting groove 23. The inner and outer assembly surfaces of the polygon with the number of 2 or more have a circumferential fixing function, and the transmission rod 10 and the massage head 28 are not easy to circumferentially rotate in work.

The upper port of waist shape bearing transmission hole 15 is equipped with bearing gland 13, the one side that bearing gland 13 and bearing 17 contact is equipped with the face that compresses tightly, the face that compresses tightly touches the up end of bearing 17 is in order to restrict the axial displacement of bearing 17, the smoothness of control transfer line 10 motion. The bearing gland 13 is screwed on the transmission rod 10 by a gland fixing screw 14.

The base 8 is a part fixed on the fascia gun fixedly connected with the transverse elastic bracket 1, and it is understood that the bracket fixing connection part 12 of the transverse elastic bracket 1 can also be directly fixedly connected on the shell of the fascia gun.

And the base 8 is provided with a base fixing connecting part 11 fixedly connected with the support fixing connecting part 12. The base fixing connection part 11 is a fixing column or a fixing claw or a fixing groove.

Install horizontal elastic support 1 on the base, only need articulate or joint or crimping fixed connection to base fixed connection 11 that base 8 corresponds with the support fixed connection 12 at horizontal elastic support 1 left and right ends, when base fixed connection 11 sets up to fixed column or stationary dog or fixed slot, support fixed connection 12 at horizontal elastic support 1 both ends also sets up to the structural shape with fixed column or stationary dog or fixed slot looks adaptation.

The base 8 is a rectangular semi-open shell with an upward opening. The base 8 is integrally formed by injection molding of engineering plastics or die casting of aluminum alloy. The left side and the right side of the base 8 are provided with 4 base fixing holes 19 fixedly connected with the fascia gun. Any one side or the left and right sides of the base 8 are provided with a cable fixing frame 16 in the middle, and the outer side of the cable fixing frame 16 is provided with a cable inlet notch 20.

In this embodiment, there are two transverse elastic brackets 1, the transmission rod 10 is provided with bracket mounting grooves 23 at the front and rear parts of the waist-shaped bearing transmission hole 15, and the transmission rod 10 passes through the transmission rod mounting holes 12a of the two transverse elastic brackets 1 to vertically correspond to the two bracket mounting grooves 23 and is fixedly sleeved with the two bracket mounting grooves. The driving rod 10 is integrally provided.

The massage head 28 is provided with a connecting sleeve 29, a connecting sleeve groove 9a is arranged in the connecting sleeve 29, an annular groove 9 is arranged outside the corresponding transmission rod 10, an O-shaped rubber ring 24 is arranged in the annular groove 9, the O-shaped rubber ring 24 is in interference fit with the connecting sleeve groove 9a on the inner side of the connecting sleeve 29 correspondingly, the transmission rod 10 is in inserted sliding fit with the massage head connecting sleeve 29, and the massage head 28 is cylindrical, oblate, spherical, U-shaped or mushroom-shaped.

The bearing 17 as an eccentric wheel is driven to perform eccentric motion, the bearing 17 transversely transmits around the waist-shaped bearing transmission hole 15, and synchronous axial equidistant reciprocating linear motion of the transmission rod 10 is realized through elastic change of the transverse elastic bracket 1.

After the motor 3, the bearing mounting seat 6 and the bearing 17 are assembled and mounted, the bearing 17 is firstly inserted from a through hole at the bottom of the base 8, the motor flange 7 and the bottom of the base 8 are fixed in a threaded manner through the motor fixing screw 2, the lower opening of the kidney-shaped bearing transmission hole 15 on the transmission rod 10 is sleeved on the bearing 17 from the semi-open side of the base 8, and then the bearing gland 13 is aligned with the upper opening of the kidney-shaped bearing transmission hole 15 and fixed in a threaded manner.

Through the arrangement of the waist-shaped bearing transmission hole 15, when the motor 3 drives the bearing 17 to rotate eccentrically, the bearing 17 drives the transmission rod 10 to move back and forth under the action of the waist-shaped bearing transmission hole 15, and the transmission rod 10 does not move left and right. The transverse elastic bracket 1 serves for the flexible connection and fixation of the transmission rod 10 relative to the fixed part of the fascial gun. The transverse elastic bracket 1 can relieve the motion vibration of the transmission rod 10 and other driven parts and reduce the impact noise of the bearing 17 on the short shaft or the front and rear side walls of the kidney-shaped bearing transmission hole 15 during the reciprocating reversing motion.

The utility model also provides a fascia gun comprising the transmission mechanism with the split type transverse elastic bracket.

The fascia gun also includes a housing, a dc power supply 41, and an electronic control board 33. The dc power supply 41, the electric control board 33 and the motor 3 are electrically connected. In this embodiment, the dc power supply 41 is a dc power supply 41 provided in the fascial gun, and the dc power supply 41 is preferably a lithium battery. It is understood that the dc power source 41 may also be an external power source.

The casing includes casing 34, lower casing 38 and neck cover 30, go up the inside automatically controlled board installation department that is equipped with of casing 34, automatically controlled board 33 is fixed to be set up on the automatically controlled board installation department, DC power supply 41 pegs graft fixedly under in casing 38. The cable for connecting the dc power supply 41, the electric control board 33 and the motor 3 is fixed on the cable fixing frame 16 through the wire inlet notch 20 on the base 8. Or, the dc power supply 41 is an external power supply, and a power socket 43 of the dc power supply 41 is clamped or screwed to the lower housing bottom plate 42.

The transmission mechanism with the split type transverse elastic support is arranged between the upper shell 34 and the

lower shell

38, 4 fixing columns 37 corresponding to the 4 base fixing holes 19 are arranged on the upper shell 34 or the lower shell 38, damping washers 31 are sleeved on the fixing columns 37, the base 8 is fixedly connected with the fixing columns 37 through base fixing screws 32, and the rest parts of the transmission mechanism with the split type transverse elastic support are suspended in the shell except for the 4 fixing points.

The upper shell 34 and the lower shell 38 are provided with neck openings 36 matched with the neck sleeve 30 at the front ends, and the neck sleeve 30 is clamped with or fixed by the screw connection of the neck openings 36. The upper shell 34 or the lower shell 38 is provided with a screw hole, and the upper shell 34 and the lower shell 38 are fixedly connected through a shell fixing screw 39.

The lower part of the lower casing 38 is provided with a handle part 40, and the upper end surface of the upper casing 34 is provided with a power button 35.

Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.

Claims

1. The utility model provides a drive mechanism with split type horizontal elastic support which characterized in that:

comprises a transverse elastic bracket, an eccentric wheel mechanism and a transmission rod;

the transverse elastic support is in a long strip shape, two ends of the transverse elastic support are provided with support fixing connecting parts, the support fixing connecting parts are fixedly connected with parts fixed on the fascia gun, the middle part of the transverse elastic support is provided with a transmission rod mounting hole, and the transmission rod penetrates through the transmission rod mounting hole and is fixedly connected with a support mounting groove of the transverse elastic support;

the eccentric wheel mechanism comprises a bearing serving as an eccentric wheel;

the transmission rod is provided with a waist-shaped bearing transmission hole, the bearing is movably arranged in the waist-shaped bearing transmission hole and is in transmission fit with the transmission rod, the long axis of the waist-shaped bearing transmission hole is vertical to the axis of the transmission rod, the length of the short axis of the waist-shaped bearing transmission hole is matched with the diameter of the bearing, the bearing is provided with a transverse gap in the direction of the long axis of the waist-shaped bearing transmission hole, and the transverse gap is the stroke of the transmission rod in the direction of the short axis or the axial reciprocating linear motion of the transmission rod;

the bearing as an eccentric wheel is driven to do eccentric motion, the bearing transversely transmits around a waist-shaped bearing transmission hole, and synchronous axial equidistant reciprocating linear motion of the transmission rod is realized through elastic change of the transverse elastic bracket.

2. The transmission mechanism with the split-type transverse elastic support according to claim 1, characterized in that:

the transmission mechanism with the split type transverse elastic support further comprises a base, wherein the base is a part fixed on the fascia gun fixedly connected with the transverse elastic support, and a base fixing and connecting part fixedly connected with the support fixing and connecting part is arranged on the base.

3. A drive mechanism having a split transverse resilient mounting as claimed in claim 2, wherein:

the base is a rectangular semi-open shell with an upward opening.

4. A drive mechanism having a split transverse resilient mounting as claimed in claim 2, wherein:

the base is integrally formed by injection molding of engineering plastics or die casting of aluminum alloy.

5. A transmission mechanism with split transverse elastic support according to claim 2 or 3, characterized in that:

the left side and the right side of the base are provided with 4 base fixing holes fixedly connected with the fascia gun.

6. A drive mechanism having a split transverse resilient mounting as claimed in claim 2, wherein:

the base fixing connection part is a fixing column or a fixing claw or a fixing groove.

7. A drive mechanism having a split transverse resilient mounting as claimed in claim 2, wherein:

the eccentric wheel mechanism further comprises a motor and a bearing mounting seat, the bearing mounting seat is fixedly connected with an output shaft of the motor, the bearing is fixedly mounted on the bearing mounting seat, the axis of the bearing is parallel to and deviated from the axis of the output shaft of the motor, a through hole is formed in the bottom of the base, the bearing and the bearing mounting seat are sequentially inserted into the through hole to mount the motor below the base, and the axis of the output shaft of the motor is perpendicular to the axis of the transmission rod.

8. The transmission mechanism with the split-type transverse elastic support according to claim 1, characterized in that:

the transmission rod is provided with two transverse elastic supports, the front part and the rear part of the bearing fixing hole are respectively provided with a support mounting groove, and the two transverse elastic supports are respectively fixedly mounted in the support mounting grooves.

9. A transmission mechanism with split transverse elastic support according to claim 1 or 8, characterized in that:

the bottom surface of the support mounting groove and the axial direction of the mounting hole of the transmission rod are circular or are in a single edge shape with a plane or are in a polygon shape with 2 or more than 2, and the mounting hole of the transmission rod is adaptive to the support mounting groove and is in interference fit with the support mounting groove.

10. The transmission mechanism with the split-type transverse elastic support according to claim 1, characterized in that:

the upper port of waist shape bearing transmission hole is equipped with the bearing gland, the one side that bearing gland and bearing contact is equipped with the face that compresses tightly, the face that compresses tightly touches the up end of bearing is in order to restrict the axial displacement of bearing, the smoothness of control transfer line motion.

11. The transmission mechanism with the split-type transverse elastic support according to claim 1, characterized in that:

the transmission mechanism with the split type transverse elastic support further comprises a massage head, a transmission rod connecting sleeve is arranged on the inner side of the massage head, and the transmission rod connecting sleeve is detachably and fixedly connected with the outer end of the transmission rod.

12. A drive mechanism having a split transverse resilient mounting as claimed in claim 11, wherein:

the massage head is cylindrical, oblate, spherical, U-shaped or mushroom-shaped.

13. A transmission mechanism with split transverse elastic support according to claim 2 or 3, characterized in that:

the base is equipped with the cable conductor mount in the middle part in arbitrary one side or the left and right sides, the inlet wire breach has been seted up in the outside of cable conductor mount.

14. A fascial gun, comprising: comprising a transmission mechanism with a split transverse resilient mounting according to any one of claims 1-13.

15. A fascial gun, comprising: the transmission mechanism with the split type transverse elastic support comprises the transmission mechanism with the split type transverse elastic support, a direct current power supply and an electric control board, wherein the direct current power supply, the electric control board and a motor are electrically connected.

16. A fascial gun, comprising: the transmission mechanism with the split type transverse elastic support and the shell as claimed in claim 15, wherein the shell comprises an upper shell and a lower shell, an electric control board mounting part is arranged in the upper shell, the electric control board is fixedly arranged on the electric control board mounting part, the direct current power supply is a self-contained battery or an external power supply, the battery of the direct current power supply is inserted and fixed in the lower shell, or an external power supply socket is clamped or screwed on a lower shell bottom plate, the transmission mechanism with the split type transverse elastic support is arranged between the upper shell and the lower shell, 4 fixing columns corresponding to 4 base fixing holes are arranged on the lower shell or the upper shell, damping gaskets are sleeved on the fixing columns, the bases are fixedly connected with the fixing columns through the base fixing holes and the damping gaskets, the transmission mechanism with the split type transverse elastic support except for 4 fixing points, the rest parts are all suspended in the shell.