CN212347143U - Linkage mechanism with variable eccentricity for massage gun - Google Patents
Linkage mechanism with variable eccentricity for massage gun Download PDFInfo
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- CN212347143U CN212347143U CN202021769175.6U CN202021769175U CN212347143U CN 212347143 U CN212347143 U CN 212347143U CN 202021769175 U CN202021769175 U CN 202021769175U CN 212347143 U CN212347143 U CN 212347143U
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Abstract
The utility model relates to a massage rifle field discloses a changeable link gear of eccentricity for massage rifle, include driven eccentric shaft track piece, be fixed in the epaxial rotation axis of motor output, driven eccentric shaft track piece on seted up the mounting hole, rotation axis rotates and connects in the mounting hole and be connected with driven eccentric shaft track piece through positioning mechanism, driven eccentric shaft track piece on seted up the spout, the spout in sliding connection have an eccentric shaft slider, rotation axis rotate and drive eccentric shaft slider through conduction mechanism drive and fix a position then and drive driven eccentric shaft track piece synchronous revolution, the eccentric shaft slider pass through the linkage subassembly and be connected with the massage head. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization reaches the purpose that satisfies different user demands.
Description
Technical Field
The utility model relates to a variable link gear of eccentricity for massage rifle.
Background
The health care massage is a health care behavior based on the theory of traditional Chinese medicine, has the effects of relaxing muscles, relieving fatigue, dredging channels and collaterals, balancing yin and yang and regulating human body functions, and is convenient and labor-saving to massage through a massage apparatus, thereby being more and more popular with people.
At present, chinese patent with publication number CN210844172U discloses a fascia gun, which comprises a housing, a motor transmission device, a control operation device, a charging device, and a massage head, wherein the motor transmission device comprises a motor, an eccentric wheel, a connecting rod, and a driving rod; the control operation device comprises a singlechip, a display screen and an operation button; the charging device comprises a battery, a booster circuit module and a charging jack. The motor driving device drives the massage head to work to generate a vibration massage effect; the massage frequency and the electric quantity are displayed by controlling the operating device; and a daily mobile phone charger can also be used.
The fascial gun has a simple structure, but in practical use, the requirements of users are different, and some massage heads need large vibration amplitude to realize deep massage; some massage heads need small vibration amplitude to realize the relaxing massage, and the fascia gun obviously cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model discloses lie in providing a changeable link gear of eccentricity for massage rifle, change the position of eccentric shaft slider through corotation and the reversal of rotation axis, reach the purpose that adapts to different massage demands.
In order to achieve the above purpose, the utility model provides a following technical scheme: a variable-eccentricity linkage mechanism for a massage gun comprises a driven eccentric shaft track block and a rotating shaft fixed on an output shaft of a motor, wherein a mounting hole is formed in the driven eccentric shaft track block, the rotating shaft is rotatably connected into the mounting hole and is connected with the driven eccentric shaft track block through a positioning mechanism, a sliding groove is formed in the driven eccentric shaft track block, an eccentric shaft sliding block is connected in the sliding groove in a sliding mode, the rotating shaft rotates and drives the eccentric shaft sliding block to move and position through a conduction mechanism so as to drive the driven eccentric shaft track block to rotate synchronously, and the eccentric shaft sliding block is connected with a massage head through a linkage assembly.
By adopting the technical scheme, the rotating shaft rotates forwards or reversely, the eccentric shaft sliding block is pushed by the conduction mechanism to slide forwards and backwards along the sliding groove, so that the eccentric distance between the second eccentric shaft and the rotating shaft is increased or reduced, the vertical stroke distance of the massage head is increased or reduced, the rotating shaft is positioned by the positioning mechanism so that the rotating shaft and the driven eccentric shaft track block are coaxial, the motor drives the rotating shaft to rotate forwards, the eccentric distance between the second eccentric shaft and the rotating shaft is increased, the massage head can have a longer stroke, and the deep massage effect is realized; in a similar way, the motor drives the reverse rotation of the rotating shaft, the eccentric distance between the second eccentric shaft and the rotating shaft is reduced, the vertical stroke distance of the massage head is reduced, when the motor drives the rotating shaft to rotate, the massage head has shorter stroke, the effect of relieving massage is realized, and therefore the massage head can adapt to different requirements of users and greatly improves the practicability.
The utility model discloses further set up to: the linkage assembly comprises a second eccentric shaft and a link rod, the second eccentric shaft is fixed at the end part of the eccentric shaft sliding block, one end of the link rod is hinged on the massage head, and the other end of the link rod is sleeved on the second eccentric shaft and is in rotating connection with the second eccentric shaft.
By adopting the technical scheme, the first eccentric shaft on the rotating shaft drives the eccentric shaft sliding block to rotate, the eccentric shaft sliding block drives the driven eccentric shaft track block to rotate in the process of rotating along the axis of the rotating shaft, then the second eccentric shaft rotates along the axis of the rotating shaft, and the link rod can rotate along the axis of the rotating shaft, so that the operation is simple and convenient, and the operation is reliable.
The utility model discloses further set up to: the transmission mechanism comprises a first eccentric shaft and an annular groove, the first eccentric shaft is fixed on the rotating shaft and is eccentrically arranged with the rotating shaft, the annular groove is formed in one side, facing the rotating shaft, of the eccentric shaft sliding block, and the first eccentric shaft penetrates through the annular groove.
Through adopting above-mentioned technical scheme, penetrate the mounting hole with the rotation axis to make first eccentric shaft penetrate the ring channel in, drive the rotatory in-process of first eccentric shaft at the rotation axis, the outer wall of first eccentric shaft is contradicted with the inner wall of ring channel and is promoted the eccentric shaft slider and remove and fix a position easy and simple to handle.
The utility model discloses further set up to: the annular groove comprises a first arc-shaped section, a second arc-shaped section and a connecting section, two ends of the connecting section are respectively connected with the first arc-shaped section and the second arc-shaped section, and the first eccentric shaft rotates along with the rotating shaft, moves from the first arc-shaped section to the second arc-shaped section along the connecting section and then returns to the first arc-shaped section along the connecting section.
By adopting the technical scheme, the rotating shaft drives the first eccentric shaft to rotate in the forward direction, the eccentric shaft sliding block moves along the length direction of the sliding groove, meanwhile, the first eccentric shaft rotates from the first arc-shaped section to the direction close to the second arc-shaped section, then rotates to the first arc-shaped section from the second arc-shaped section, and is abutted against the inner wall of the first arc-shaped section through the first eccentric shaft so that the eccentric shaft sliding block is positioned on the driven eccentric shaft track block, at the moment, the moving distance of the eccentric shaft sliding block is the largest and can not move continuously, and the stroke distance of the massage head is also the largest; similarly, the rotating shaft is rotated reversely, the first eccentric shaft passes through the second arc section from the first arc section and then returns to the first arc section again, and the first eccentric shaft cannot rotate continuously, and at the moment, the stroke distance of the massage head is minimum.
The utility model discloses further set up to: the positioning mechanism comprises a locking hole and a jacking screw, the locking hole is formed in the driven eccentric shaft track block and communicated with the mounting hole, and the jacking screw is connected in the locking hole in a threaded mode and used for abutting against the outer wall of the rotating shaft.
Through adopting above-mentioned technical scheme, will push up the tight screw rotation, the conduction through the locking hole makes the outer wall conflict of pushing up tight screw and rotation axis to can finely tune the position of rotation axis, so that rotation axis and the coaxial setting of driven eccentric shaft track piece.
The utility model discloses further set up to: one end of the jacking screw, which faces the rotating shaft, is fixed with a spherical steel ball, and the outer wall of the rotating shaft is provided with an annular groove which is matched with the spherical steel ball.
By adopting the technical scheme, the jacking screw is rotated, the spherical steel ball is fixed against the inner wall of the circular groove, so that the position of the rotating shaft is finely adjusted, and the rotating shaft and the driven eccentric shaft track block are ensured to be coaxially arranged; the motor drives the rotating shaft to rotate in the forward direction or the reverse direction, and the circular groove and the spherical steel balls slide relatively, so that the rotating shaft and the driven eccentric shaft track block are always coaxial, and the rotating shaft can rotate smoothly.
The utility model discloses further set up to: the end part of the eccentric shaft sliding block is provided with a guide cambered surface, and the guide cambered surface is matched with the outer wall of the driven eccentric shaft track block.
By adopting the technical scheme, the occupied space of the eccentric shaft sliding block is reduced.
To sum up, the utility model discloses following beneficial effect has:
the rotating shaft rotates forwards or reversely, the eccentric shaft sliding block is pushed by the conduction mechanism to slide forwards and backwards along the sliding groove, so that the eccentric distance between the second eccentric shaft and the rotating shaft is increased or reduced, the vertical stroke distance of the massage head is increased or reduced, the rotating shaft is positioned by the positioning mechanism so that the rotating shaft and the driven eccentric shaft track block are coaxial, the motor drives the rotating shaft to rotate forwards, the eccentric distance between the second eccentric shaft and the rotating shaft is increased, and the massage head can have a longer stroke, so that the deep massage effect is realized; in a similar way, the motor drives the reverse rotation of the rotating shaft, the eccentric distance between the second eccentric shaft and the rotating shaft is reduced, the vertical stroke distance of the massage head is reduced, when the motor drives the rotating shaft to rotate, the massage head has shorter stroke, the effect of relieving massage is realized, and therefore the massage head can adapt to different requirements of users and greatly improves the practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic exploded view of a vehicle embodying the present invention;
FIG. 3 is a schematic view of a connection structure of the first eccentric shaft and the eccentric shaft slider in a state of massaging;
FIG. 4 is a schematic view of a connection structure of the first eccentric shaft and the eccentric shaft slider in a state of embodying deep massage;
fig. 5 is a schematic structural diagram showing the eccentric shaft slider.
Reference numerals: 1. a rotating shaft; 2. a driven eccentric shaft orbit block; 21. mounting holes; 3. a positioning mechanism; 31. a locking hole; 32. jacking the screw tightly; 41. a spherical steel ball; 42. a circular groove; 5. a chute; 6. an eccentric shaft sliding block; 61. guiding the arc surface; 7. a linkage assembly; 71. a second eccentric shaft; 72. a link rod; 8. a conducting mechanism; 81. a first eccentric shaft; 82. an annular groove; 91. a first arcuate segment; 92. a second arcuate segment; 93. a connecting section; 100. a massage head.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 5, a variable eccentricity linkage mechanism for a massage gun includes a driven eccentric shaft orbit block 2, a rotation shaft 1 fixed to an output shaft of a motor.
The driven eccentric shaft track block 2 is provided with a mounting hole 21, and the axis of the mounting hole 21 is superposed with the axis of the driven eccentric shaft track block 2. The rotating shaft 1 is rotatably connected in the mounting hole 21 and is connected with the driven eccentric shaft orbit block 2 through the positioning mechanism 3.
The positioning mechanism 3 includes a locking hole 31 and a tightening screw 32. The locking hole 31 is opened on the driven eccentric shaft track block 2 and is communicated with the mounting hole 21, and the tightening screw 32 is connected in the locking hole 31 in a threaded manner and is used for abutting against the outer wall of the rotating shaft 1.
A spherical steel ball 41 is fixed at one end of the tightening screw 32 facing the rotating shaft 1; an annular groove 42 is formed in the outer wall of the rotating shaft 1, and the annular groove 42 is matched with the spherical steel ball 41.
The rotating shaft 1 is inserted into the mounting hole 21, the jacking screw 32 is rotated, the spherical steel ball 41 is abutted against the inner wall of the circular groove 42, the position of the rotating shaft 1 can be finely adjusted, and the rotating shaft 1 and the driven eccentric shaft track block 2 are ensured to be coaxially arranged.
And the rotating shaft 1 can be smoother in the rotating process through the limiting action between the circular ring groove 42 and the spherical steel ball 41, and can be always coaxially arranged with the driven eccentric shaft track block 2.
The driven eccentric shaft track block 2 is provided with a sliding chute 5, and an eccentric shaft sliding block 6 is connected in the sliding chute 5 in a sliding manner. The section of the sliding chute 5 is arranged in an inverted T shape or a dovetail shape. And a guide arc surface 61 is arranged at the end part of the eccentric shaft slide block 6, and the guide arc surface 61 is matched with the outer wall of the driven eccentric shaft track block 2.
The rotating shaft 1 rotates and drives the eccentric shaft slide 6 to move through the conducting mechanism 8. The eccentric shaft slide block 6 is connected with the massage head 100 through a linkage assembly 7.
The linkage assembly 7 includes a second eccentric shaft 71 and a link 72. The second eccentric shaft 71 is fixed to the end of the eccentric shaft slider 6. One end of the link rod 72 is hinged to the massage head 100, and the other end is sleeved on the second eccentric shaft 71 and is rotatably connected with the second eccentric shaft 71.
Wherein the conduction means 8 comprise a first eccentric shaft 81 and an annular groove 82. The first eccentric shaft 81 is fixed to the rotating shaft 1 and is eccentrically disposed from the rotating shaft 1; the annular groove 82 is opened on the side of the eccentric shaft slider 6 facing the rotating shaft 1, and the first eccentric shaft 81 is inserted into the annular groove 82.
Meanwhile, the annular groove 82 includes a first arcuate section 91, a second arcuate section 92, and a connecting section 93. The two ends of the connecting section 93 are respectively connected with the first arc-shaped section 91 and the second arc-shaped section 92. The straight line formed by connecting the axis of the first arc-shaped section 91 and the axis of the second arc-shaped section 92 is parallel to the width direction of the chute 5.
In summary, the motor drives the rotating shaft 1 to rotate forward, the first eccentric shaft 81 rotates forward, the eccentric shaft sliding block 6 moves along the length direction of the sliding slot 5, meanwhile, the first eccentric shaft 81 moves from the first arc-shaped section 91 to the direction close to the second arc-shaped section 92, and then moves from the second arc-shaped section 92 to the first arc-shaped section 91, and the moving distance of the first eccentric shaft 81 is the largest and collides with the inner wall of the first arc-shaped section 91 to be unable to rotate continuously, so as to realize the positioning of the rotating shaft 1, and at this time, the massage head 100 is located at the maximum stroke position.
Similarly, the motor drives the rotating shaft 1 to rotate reversely, the first eccentric shaft 81 passes through the second arc-shaped section 92 from the first arc-shaped section 91 and then returns to the first arc-shaped section 91 again, and cannot rotate any more, and at this time, the massage head 100 is located at the position with the minimum stroke distance.
When the massage head 100 is located at the position with the maximum stroke, the deep massage state is achieved; when the massage head 100 is located at the position with the minimum stroke, the massage head is in a relaxing massage state, so that different requirements of users can be met, and the practicability is greatly improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A variable-eccentricity linkage mechanism for a massage gun, characterized in that: the massage head comprises a driven eccentric shaft track block and a rotating shaft fixed on an output shaft of a motor, wherein a mounting hole is formed in the driven eccentric shaft track block, the rotating shaft is rotatably connected into the mounting hole and is connected with the driven eccentric shaft track block through a positioning mechanism, a sliding groove is formed in the driven eccentric shaft track block, an eccentric shaft sliding block is connected in the sliding groove in a sliding mode, the rotating shaft rotates and drives the eccentric shaft sliding block to move and position through a conduction mechanism so as to drive the driven eccentric shaft track block to rotate synchronously, and the eccentric shaft sliding block is connected with the massage head through a linkage assembly.
2. The variable eccentricity linkage for a massage gun as claimed in claim 1, wherein: the linkage assembly comprises a second eccentric shaft and a link rod, the second eccentric shaft is fixed at the end part of the eccentric shaft sliding block, one end of the link rod is hinged on the massage head, and the other end of the link rod is sleeved on the second eccentric shaft and is in rotating connection with the second eccentric shaft.
3. The variable eccentricity linkage for a massage gun as claimed in claim 1, wherein: the transmission mechanism comprises a first eccentric shaft and an annular groove, the first eccentric shaft is fixed on the rotating shaft and is eccentrically arranged with the rotating shaft, the annular groove is formed in one side, facing the rotating shaft, of the eccentric shaft sliding block, and the first eccentric shaft penetrates through the annular groove.
4. A variable eccentricity linkage for a massage gun as claimed in claim 3, wherein: the annular groove comprises a first arc-shaped section, a second arc-shaped section and a connecting section, two ends of the connecting section are respectively connected with the first arc-shaped section and the second arc-shaped section, and the first eccentric shaft rotates along with the rotating shaft, moves from the first arc-shaped section to the second arc-shaped section along the connecting section and then returns to the first arc-shaped section along the connecting section.
5. The variable eccentricity linkage for a massage gun as claimed in claim 1, wherein: the positioning mechanism comprises a locking hole and a jacking screw, the locking hole is formed in the driven eccentric shaft track block and communicated with the mounting hole, and the jacking screw is connected in the locking hole in a threaded mode and used for abutting against the outer wall of the rotating shaft.
6. The variable eccentricity linkage for a massage gun as claimed in claim 5, wherein: one end of the jacking screw, which faces the rotating shaft, is fixed with a spherical steel ball, and the outer wall of the rotating shaft is provided with an annular groove which is matched with the spherical steel ball.
7. The variable eccentricity linkage for a massage gun as claimed in claim 1, wherein: the end part of the eccentric shaft sliding block is provided with a guide cambered surface, and the guide cambered surface is matched with the outer wall of the driven eccentric shaft track block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021769175.6U CN212347143U (en) | 2020-08-23 | 2020-08-23 | Linkage mechanism with variable eccentricity for massage gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021769175.6U CN212347143U (en) | 2020-08-23 | 2020-08-23 | Linkage mechanism with variable eccentricity for massage gun |
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| Publication Number | Publication Date |
|---|---|
| CN212347143U true CN212347143U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021769175.6U Active CN212347143U (en) | 2020-08-23 | 2020-08-23 | Linkage mechanism with variable eccentricity for massage gun |
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| CN (1) | CN212347143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904831A (en) * | 2020-08-23 | 2020-11-10 | 刘建东 | Linkage mechanism with variable eccentricity for massage gun |
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2020
- 2020-08-23 CN CN202021769175.6U patent/CN212347143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904831A (en) * | 2020-08-23 | 2020-11-10 | 刘建东 | Linkage mechanism with variable eccentricity for massage gun |
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