CN219354616U - Anti-reversion mechanism for eccentric wheel of massager - Google Patents
Anti-reversion mechanism for eccentric wheel of massager Download PDFInfo
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- CN219354616U CN219354616U CN202222654211.XU CN202222654211U CN219354616U CN 219354616 U CN219354616 U CN 219354616U CN 202222654211 U CN202222654211 U CN 202222654211U CN 219354616 U CN219354616 U CN 219354616U
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Abstract
The utility model relates to the technical field of massagers and provides an anti-reversion mechanism for an eccentric wheel of a massager, which comprises a frame, the eccentric wheel, a swinging frame and a first elastic piece, wherein the eccentric wheel is rotationally arranged on the frame, the swinging frame is arranged on the frame in a swinging way, the eccentric wheel accumulates elastic force on the first elastic piece, the first elastic piece releases the elastic force to drive the swinging frame to swing, the anti-reversion mechanism is additionally arranged, the anti-reversion mechanism comprises an inner rotor, a clamping block and a second elastic piece, the inner rotor is rotationally arranged on the frame, a mounting hole is formed in the eccentric wheel, the eccentric wheel is sleeved on an inner rotor by virtue of the mounting hole, a clamping groove is formed in the inner wall of the mounting hole, one end of the clamping block is hinged on the circumference of the inner rotor, the other end of the clamping block is abutted in the clamping groove, and the second elastic piece is arranged between the clamping block and the inner rotor to provide the outward swinging force of the clamping block. Through above-mentioned technical scheme, solved among the prior art motor unexpected reverse eccentric wheel and blocked easily, caused the problem of mechanical damage.
Description
Technical Field
The utility model relates to the technical field of massagers, in particular to an anti-reversion mechanism for an eccentric wheel of a massager.
Background
The massage device is generally driven by a motor to drive an eccentric wheel or an eccentric shaft and the like to realize intermittent transmission, the swing frame is controlled to swing reciprocally, and a swing force is acted on a human body, so that the massage device is driven by the motor to reverse, the motor is easy to block, damage the motor and cause mechanical damage, the prior art is not well solved, and the trouble is brought to the normal operation of the work in the field.
Disclosure of Invention
The utility model provides an anti-reversion mechanism for an eccentric wheel of a massager, which solves the problem that the eccentric wheel is easy to be blocked due to accidental reversion of a motor in the related art, so that the mechanism is damaged.
The technical scheme of the utility model is as follows: the anti-reversion mechanism for the eccentric wheel of the massager comprises a frame, the eccentric wheel, a swinging frame, a rotating shaft, a power shaft and a first elastic piece, wherein the rotating shaft is arranged on the frame, the eccentric wheel is rotationally arranged on the frame by means of the power shaft, the swinging frame is arranged on the frame by means of the swinging of the rotating shaft, the first elastic piece is arranged on the frame and connected with the swinging frame,
the eccentric wheel is provided with a mounting hole, the anti-reversion mechanism is additionally arranged, the anti-reversion mechanism comprises an inner rotor, a clamping block and a second elastic piece, the inner rotor is rotationally arranged on the frame by means of a power shaft, a groove is formed in the outer diameter of the inner rotor, the eccentric wheel is rotationally sleeved on the inner rotor by means of the mounting hole, a clamping groove is formed in the inner wall of the mounting hole, the clamping block is connected between the groove and the clamping groove, and the second elastic piece is connected with the clamping block and is used for providing swinging force for the clamping block.
As a further technical scheme, pivot fixed mounting is in the frame, the fixture block swing is connected inside the recess with the draw-in groove block, the fixture block tip is equipped with half arc bayonet lock, the draw-in groove is equipped with half arc draw-in groove, half arc bayonet lock swing is installed in the half arc draw-in groove, the second elastic component provides fixture block wobbling power.
As a further technical proposal, the groove is a blind hole, the blind hole is arranged on the outer diameter of the inner rotor, the axial direction of the blind hole points to the center of the rotating shaft of the inner rotor,
the eccentric wheel is rotationally sleeved on the outer diameter of the inner rotor by means of the mounting hole, the clamping groove is a through hole, the through hole is arranged on the inner wall of the mounting hole, the through hole axially points to the outer edge of the eccentric wheel to the direction of the circle center of the mounting hole,
the clamping block is a clamping pin, the clamping pin is arranged in the through hole in a sliding manner and used for being clamped with or separated from the blind hole, the second elastic piece is arranged between the clamping pin and the through hole, and the second elastic piece provides elastic retaining force for the clamping pin to slide towards the blind hole.
As a further technical scheme, the bayonet lock is equilateral square, and the equilateral square of upper end of length direction is less than the equilateral square size of lower side end, and lower extreme equilateral square is equipped with the transition inclined plane that is used for making the bayonet lock roll-off blind hole.
As a further technical scheme, the mounting holes and the inner rotor are in various linkage modes, and the clamping blocks or the clamping pins are mounted at different positions according to different connection modes.
As a further technical scheme, the second elastic piece is a spring.
As a further technical scheme, the end part of the eccentric wheel is rotatably provided with a roller, and the roller is in rolling friction contact with the end part of the swinging frame.
As a further technical scheme, the swing frame is provided with a bending section, the inserting rod is arranged on the frame in a sliding mode, the first elastic piece is a tension spring, one end of the tension spring acts on the end portion of the inserting rod, the other end of the tension spring acts on the bending section, and the force of the bending section close to the inserting rod is provided.
As a further technical scheme, the frame is provided with a limiting block, the limiting block is abutted against the bending section, and the bending section is prevented from being close to the inserted link.
As a further technical scheme, the end part of the swing frame is provided with a flexible block, the frame is provided with a spacer, and the flexible block intermittently beats the spacer by means of the swing frame.
The working principle and the beneficial effects of the utility model are as follows: under normal state, the inner rotor rotates positively, the clamping block is clamped in the clamping groove, the clamping block pushes the clamping groove wall to drive the eccentric wheel to rotate positively, the end part of the eccentric wheel is abutted against the end part of the swinging frame from top to bottom, the swinging frame is pushed to swing around the axis, the pushing force stretches the first elastic piece and accumulates elastic force, the eccentric wheel is separated from the swinging frame along with the rotation of the eccentric wheel, the first elastic piece releases elastic potential energy to instantly pull back one end of the swinging frame, so that the other end of the swinging frame is sprung out, the beating action is realized, and the massage effect is achieved; when the motor accidentally reverses, the inner rotor reverses, the hole wall of the mounting hole inwards extrudes the clamping block, the second elastic piece is compressed, the clamping block is separated from the clamping groove, the clamping block and the clamping groove cannot be clamped, the pushing force is lost, the inner rotor cannot drive the eccentric wheel to rotate, thereby avoiding the eccentric wheel to reverse, preventing the eccentric wheel from being clamped with other mechanical parts, protecting the motor and the working parts, when the motor resumes to rotate forwards, the clamping block is clamped into the clamping groove again under the elastic force of the second elastic piece when the clamping block rotates to the clamping groove, thereby resuming the control on the rotation of the eccentric wheel.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view showing the abutting state of an eccentric swing frame when an eccentric anti-reverse mechanism of a massager according to a first embodiment of the present utility model is in normal operation;
fig. 2 is a schematic view showing an abutting state of an eccentric swing frame when a motor of an eccentric anti-reverse mechanism of the massager according to the first embodiment of the present utility model is reversed;
FIG. 3 is a schematic diagram of a normal clamping state of the clamping block according to the present utility model;
FIG. 4 is a schematic diagram illustrating a normal clamping state of a clamping block according to a second embodiment of the present utility model;
FIG. 5 is a schematic diagram illustrating a normal clamping state of a clamping block according to a third embodiment of the present utility model
FIG. 6 is a schematic diagram illustrating a clamping block in a clamping-out state according to a third embodiment of the present utility model;
FIG. 7 is a schematic diagram illustrating a normal clamping state of a clamping block according to a fourth embodiment of the present utility model;
FIG. 8 is a schematic diagram illustrating a clamping block in a clamping-out state according to a fourth embodiment of the present utility model;
FIG. 9 is a schematic diagram illustrating a normal clamping state of a clamping block according to a fifth embodiment of the present utility model;
FIG. 10 is a schematic diagram illustrating a clamping block in a clamping-out state according to a fifth embodiment of the present utility model;
FIG. 11 is a schematic diagram illustrating a normal clamping state of a clamping block according to a sixth embodiment of the present utility model;
fig. 12 is a schematic view illustrating a clamping block in a clamping-out state according to a sixth embodiment of the present utility model;
in the figure: 1. the device comprises a frame, 2, an eccentric wheel, 3, a swinging frame, 4, an inner rotor, 5, a clamping block, 6, a mounting hole, 7, a clamping groove, 8, a roller, 9, a bending section, 10, an inserting rod, 11, a first elastic piece, 12, a limiting block, 13, a flexible block, 14, a spacer, 16, a second elastic piece, 17, a groove, 18, a rotating shaft, 19, a power shaft, 20, a blind hole, 21, a through hole, 22, a clamping pin, 25, a half-arc clamping pin, 27 and a half-arc clamping groove.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3,
in this embodiment, in a normal state, the inner rotor 4 rotates forward, the clamping block 5 is clamped in the clamping groove 7, the clamping block 5 pushes the groove wall of the clamping groove 7 to drive the eccentric wheel 2 to rotate forward, the end part of the eccentric wheel 2 is propped against the end part of the swinging frame 3 from top to bottom, the swinging frame 3 is pushed to swing around the rotating shaft 18, the first elastic piece 11 is stretched by the pushing force in the process, elastic force is accumulated, along with the rotation of the eccentric wheel 2, the eccentric wheel 2 is separated from the swinging frame 3, the first elastic piece 11 releases elastic potential energy, one end of the swinging frame 3 is pulled back instantly, and therefore the other end of the swinging frame 3 is sprung out, so that the beating action is realized, and the massage effect is achieved;
in this embodiment, the groove 17 is located on the inner rotor 4, the clamping block 5 is rotationally connected with the half-arc clamping groove 27 on the groove 17 through the half-arc clamping pin 25, and the clamping groove 7 is located on the mounting hole 6.
In the prior art, when the motor accidentally turns, the eccentric wheel 2 is easy to be blocked with the working part and cannot rotate, so that the motor is blocked to damage the motor, or the mechanical part is broken, in the embodiment, when the motor accidentally turns, the inner rotor 4 turns, the hole wall of the mounting hole 6 inwards extrudes the clamping block 5, the second elastic piece 16 compresses, the clamping block 5 is separated from the clamping groove 7, the clamping block 5 and the clamping groove 7 cannot be clamped, the pushing force is lost, the inner rotor 4 cannot drive the eccentric wheel 2 to rotate, thereby avoiding the eccentric wheel 2 from being reversed, preventing the eccentric wheel 2 from being blocked with other mechanical parts, protecting the motor and the working part, when the motor resumes the forward rotation, the clamping block 5 is again blocked into the clamping groove 7 under the elastic force of the second elastic piece 16, thereby resuming the control on the rotation of the eccentric wheel 2, the structure is simple, the principle is ingenious, the situation of accidentally reversing the motor can be handled, and the motor can be reset timely after the motor resumes the forward rotation, the normal work is continued, the experience of a user is improved, and the problem that the motor is easy to be damaged by the eccentric wheel in the prior art, and the mechanical part is easy to be damaged is solved.
Further, the second elastic member is a spring.
Further, a roller 8 is rotatably arranged at the end part of the eccentric wheel 2, and the roller 8 is in rolling friction contact with the end part of the swinging frame 3.
The eccentric wheel 2 rotates, and the running roller 8 contacts with the tip of swinging arms 3, along with the rotation of eccentric wheel 2, and running roller 8 rolls on swinging arms 3, has avoided hard friction, prevents to damage the working part, has prolonged the life of part, also makes the action between swinging arms 3 and the eccentric wheel 2 more stable smooth and easy simultaneously, and running roller 8 adopts four gum materials to make, increases frictional force, makes eccentric wheel 2 drive swinging arms 3 more timely accurate, has also further avoided hard friction simultaneously.
Further, the swing frame 3 has a bending section 9, the frame 1 is slidably provided with an insert rod 10, the first elastic member is a tension spring, one end of the tension spring acts on the end of the insert rod 10, and the other end acts on the bending section 9, so as to provide a force for the bending section 9 to approach the insert rod 10.
The tip of swinging frame 3 has section of buckling 9, makes swinging frame 3 wholly be "L" type, and the slip direction of inserted bar 10 is close to or keeps away from section of buckling 9, through adjusting inserted bar 10 position to adjust the pretightning force of extension spring, the dynamics of being convenient for control swinging frame 3 to beat improves user's experience and feels, when eccentric wheel 2 corotation, at first from top to bottom butt swinging frame 3 tip, then pushes down swinging frame 3, and the extension spring is tensile, and eccentric wheel 2 and swinging frame 3 are released the back, and extension spring control swinging frame 3 resets rapidly, realizes beating the action to human position, reaches the massage effect.
Further, a limiting block 12 is arranged on the frame 1, the limiting block 12 abuts against the bending section 9, and the bending section 9 is prevented from being close to the inserted link 10.
The stopper 12 integrated into one piece sets up on frame 1 for with section 9 butt of buckling, during operation, after eccentric wheel 2 and section 9 of buckling are disengaged, under the effect of extension spring, with section 9 of buckling, realize the massage of beating of swing frame 3 to the human body, when the human body far away, the section 9 butt of buckling on stopper 12 when beating to the swing angle of swing frame 3 has been limited.
Further, the end of the swing frame 3 is provided with a flexible block 13.
In this embodiment, the end of the swinging frame 3 is fixedly provided with the flexible block 13, the flexible block 13 avoids hard friction between mechanical components, and simultaneously, the force of the impact of the flexible block 13 is buffered, so that the beating force is softer, and the noise generated during working is reduced.
Further, a spacer 14 is arranged on the frame 1, and the flexible block 13 intermittently beats the spacer 14 by means of the swinging frame 3.
The flexible block 13 is impacted onto the isolation pad 14 by means of the swing frame 3, when the massage device is used, the isolation pad 14 is contacted with a part to be massaged of a human body, the flexible block 13 impacts the isolation pad 14 to transmit force to the human body through the isolation pad 14, the beating force is softer and more average, and the beating massage effect is improved.
Further, the method comprises the steps of,
the mounting hole 6 and the inner rotor 4 have various linking modes, and the clamping block 5 or the clamping pin 22 is mounted at different positions according to different connecting modes.
A second embodiment, as shown in fig. 4;
in this embodiment, the groove 17 is located on the mounting hole 6, the clamping block 5 is rotationally connected with the half-arc clamping groove 27 on the groove 17 through the half-arc clamping pin 25, and the clamping groove 7 is located on the inner rotor 4.
A third embodiment, as shown in fig. 5-6;
in this embodiment, the groove 17 is located on the outer diameter end face of the inner rotor 4, the clamping block 5 is rotationally connected with the half arc clamping groove 27 on the groove 17 through the half arc clamping pin 25, and the clamping groove 7 is located on the end face inside the mounting hole 6.
A fourth embodiment, as shown in fig. 7 to 8;
in this embodiment, the recess 17 is a blind hole 20, the blind hole 20 is disposed on the outer diameter of the inner rotor 4, and the axial direction of the blind hole 20 is directed to the center of the rotation shaft of the inner rotor 4;
the eccentric wheel 2 is rotatably sleeved on the outer diameter of the inner rotor 4 by means of the mounting hole 6, the clamping groove 7 is a through hole 21, the through hole 21 is arranged on the inner wall of the mounting hole 6, and the through hole 21 axially points to the outer edge of the eccentric wheel 2 to the circle center direction of the mounting hole 6;
the clamping block 5 is a clamping pin 22, the clamping pin 22 is slidably arranged in the through hole 21 and used for being clamped with or separated from the blind hole 20, the second elastic piece 16 is arranged between the clamping pin 22 and the through hole 21, and the second elastic piece 16 provides elastic retaining force for sliding the clamping pin 22 towards the blind hole 20;
the bayonet 22 is equilateral square, and the equilateral square of the upper end in the length direction is smaller than the equilateral square of the lower end, and the equilateral square of the lower end is provided with a transition inclined surface for enabling the bayonet 22 to slide out of the blind hole 20.
A fifth embodiment, as shown in fig. 9 to 10;
the blind hole 20 is located on the mounting hole 6, the bayonet lock 22 is arranged in the blind hole 20 in a sliding mode, the through hole 21 is located on the inner rotor 4, and the bayonet lock stretches into the through hole 21 after sliding.
A sixth embodiment is shown in fig. 11 to 12;
the blind hole 20 is located on the terminal surface of inner rotor 4 external diameter, and bayonet lock 22 logical slip setting is in the blind hole 20, and through-hole 21 is located on the terminal surface of mounting hole 6, and the bayonet lock stretches into in the through-hole 21 after sliding.
It is to be noted herein that the positional or positional relationship indicated by the terms such as "upper", "middle" lower "," front "," rear "," left "," right "," large "," small ", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description of the present application and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The anti-reversion mechanism for the eccentric wheel of the massager comprises a frame (1), an eccentric wheel (2), a swinging frame (3), a rotating shaft (18), a power shaft (19) and a first elastic piece (11), wherein the rotating shaft (18) is arranged on the frame (1), the eccentric wheel (2) is rotationally arranged on the frame (1) by means of the power shaft (19), the swinging frame (3) is arranged on the frame (1) by means of the swinging of the rotating shaft (18), the first elastic piece (11) is arranged on the frame (1) and is connected with the swinging frame (3),
the anti-reversion mechanism is characterized in that a mounting hole (6) is formed in the eccentric wheel (2), the anti-reversion mechanism comprises an inner rotor (4), a clamping block (5) and a second elastic piece (16), the inner rotor (4) is rotatably arranged on the frame (1) by means of a power shaft (19), a groove (17) is formed in the outer diameter of the inner rotor (4), the eccentric wheel (2) is rotatably sleeved on the inner rotor (4) by means of the mounting hole (6), a clamping groove (7) is formed in the inner wall of the mounting hole (6), the clamping block (5) is connected between the groove (17) and the clamping groove (7), and the second elastic piece (16) is connected with the clamping block (5) and is used for providing swinging force of the clamping block (5).
2. The anti-reversion mechanism for the eccentric wheel of the massager according to claim 1, wherein the rotating shaft (18) is fixedly installed on the frame (1), the clamping block (5) is connected inside the groove (17) in a swinging manner and is clamped with the clamping groove (7), a half-arc clamping pin (25) is arranged at the end part of the clamping block (5), the clamping groove (7) is provided with a half-arc clamping groove (27), the half-arc clamping pin (25) is installed in the half-arc clamping groove (27) in a swinging manner, and the second elastic piece (16) provides swinging force for the clamping block (5).
3. The anti-reverse mechanism of the eccentric wheel of the massager according to claim 1, wherein the groove (17) is a blind hole (20), the blind hole (20) is arranged on the outer diameter of the inner rotor (4), the axial direction of the blind hole (20) points to the center of the rotating shaft of the inner rotor (4),
the eccentric wheel (2) is rotationally sleeved on the outer diameter of the inner rotor (4) by means of the mounting hole (6), the clamping groove (7) is a through hole (21), the through hole (21) is arranged on the inner wall of the mounting hole (6), the through hole (21) axially points to the outer edge of the eccentric wheel (2) to the direction of the circle center of the mounting hole (6),
the fixture block (5) is a fixture pin (22), the fixture pin (22) is slidably arranged in the through hole (21) and used for being clamped with or separated from the blind hole (20), the second elastic piece (16) is arranged between the fixture pin (22) and the through hole (21), and the second elastic piece (16) provides elastic retaining force for the fixture pin (22) to slide towards the blind hole (20).
4. A massager eccentric anti-reverse mechanism according to claim 3, characterized in that the bayonet lock (22) is equilateral square, and the upper end equilateral square in the length direction is smaller than the lower end equilateral square in size, and the lower end equilateral square is provided with a transition inclined plane for sliding the bayonet lock (22) out of the blind hole (20).
5. The anti-reversion mechanism for the eccentric wheel of the massager according to claim 1, wherein the mounting hole (6) and the inner rotor (4) are provided with a plurality of linkage modes, and the clamping blocks (5) are mounted at different positions according to different linkage modes.
6. A mechanism for preventing reverse rotation of a massager eccentric according to claim 1, wherein the second elastic member (16) is a spring.
7. The anti-reversion mechanism of the eccentric wheel of the massager according to claim 1, wherein a roller wheel (8) is rotatably arranged at the end part of the eccentric wheel (2), and the roller wheel (8) is in rolling friction contact with the end part of the swinging frame (3).
8. The anti-reversion mechanism of the eccentric wheel of the massager according to claim 1, characterized in that the swinging frame (3) is provided with a bending section (9), the rack (1) is provided with a inserted bar (10) in a sliding way, the first elastic piece (11) is a tension spring, one end of the tension spring acts on the end part of the inserted bar (10), and the other end acts on the bending section (9) to provide a force for the bending section (9) to approach the inserted bar (10).
9. The anti-reversion mechanism of the eccentric wheel of the massager according to claim 8, wherein a limiting block (12) is arranged on the frame (1), the limiting block (12) is abutted against the bending section (9) to block the bending section (9) from being close to the inserted link (10).
10. The anti-reversion mechanism of the eccentric wheel of the massager according to claim 1, characterized in that a flexible block (13) is arranged at the end part of the swinging frame (3), a spacer (14) is arranged on the frame (1), and the flexible block (13) intermittently beats the spacer (14) by means of the swinging frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654211.XU CN219354616U (en) | 2022-10-09 | 2022-10-09 | Anti-reversion mechanism for eccentric wheel of massager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654211.XU CN219354616U (en) | 2022-10-09 | 2022-10-09 | Anti-reversion mechanism for eccentric wheel of massager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219354616U true CN219354616U (en) | 2023-07-18 |
Family
ID=87141359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222654211.XU Active CN219354616U (en) | 2022-10-09 | 2022-10-09 | Anti-reversion mechanism for eccentric wheel of massager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219354616U (en) |
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2022
- 2022-10-09 CN CN202222654211.XU patent/CN219354616U/en active Active
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