CN220286337U - Telescopic transmission mechanism and massage device - Google Patents

Telescopic transmission mechanism and massage device Download PDF

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Publication number
CN220286337U
CN220286337U CN202321680269.XU CN202321680269U CN220286337U CN 220286337 U CN220286337 U CN 220286337U CN 202321680269 U CN202321680269 U CN 202321680269U CN 220286337 U CN220286337 U CN 220286337U
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China
Prior art keywords
telescopic
transmission mechanism
cavity
sleeve
annular chute
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CN202321680269.XU
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Chinese (zh)
Inventor
王永清
张国辉
王泽民
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Dongguan Qianhe Electronic Technology Co ltd
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Dongguan Qianhe Electronic Technology Co ltd
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Abstract

The utility model is suitable for the technical field of transmission mechanisms. The utility model discloses a telescopic transmission mechanism and a massage device, wherein the telescopic transmission mechanism comprises a mounting bracket, a driving motor, a cam column connected with a rotating shaft of the driving motor, a reversing component in transmission connection with the cam column and a limiting component for guiding and limiting the reversing component, the reversing component comprises a telescopic piece covered on the cam column and a pin arranged on the telescopic piece, the telescopic piece is provided with a cavity for accommodating the cam column, the pin part is positioned in an annular chute arranged on the surface of the cam column, an included angle of not more than 90 is formed between a plane formed along the section of the annular chute and a horizontal plane, and the telescopic piece is in linear reciprocating motion under the cooperation of the pin and the annular chute under the action of the limiting component. Because the telescopic movement is consistent with the direction of the motor rotating shaft, the installation space and the movement space can be reduced, the transmission structure space is more compact, the number of moving parts is less, and the noise is reduced.

Description

Telescopic transmission mechanism and massage device
Technical Field
The utility model relates to the technical field of transmission mechanisms, in particular to a telescopic transmission mechanism and a massage device.
Background
The existing transmission mechanism for converting rotation into linear repeated motion is widely used, such as the transmission mechanism used on massage machinery, a single eccentric wheel is generally adopted to be connected with one end of a connecting rod, the other end of the connecting rod reciprocates with a flexible membrane, and the installation size is larger when the transmission mechanism is matched with the connecting rod due to the fact that the reciprocating stroke is positively correlated with the diameter of the eccentric wheel, and the movement space is larger when the transmission mechanism and the connecting rod are matched for movement, so that the product size is larger.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a telescopic transmission mechanism and a massage device, wherein the telescopic transmission mechanism can reduce the installation space and has a simple and compact structure.
In order to solve the technical problems, the utility model provides a telescopic transmission mechanism which comprises a mounting bracket provided with a first mounting cavity and a second mounting cavity, a driving motor arranged in the first mounting cavity, a cam column connected with a rotating shaft of the driving motor and positioned in the second mounting cavity, a reversing component in transmission connection with the cam column and a limiting component used for guiding and limiting the reversing component, wherein the reversing component comprises a telescopic piece covered on the cam column and a pin arranged on the telescopic piece, the telescopic piece is provided with a cavity for accommodating the cam column, the pin part is positioned in an annular chute arranged on the surface of the cam column, a plane formed along the section of the annular chute forms an included angle of not more than 90 with a horizontal plane, and the pin is driven by the annular chute on the rotating cam column to make the telescopic piece reciprocate linearly under the limitation of the limiting component.
Further, the telescopic piece is sleeved with a sleeve which can synchronously stretch with the telescopic piece, and the sleeve and the end face of the telescopic piece form a containing cavity.
Further, the sleeve is arranged in the second installation cavity, and an outer cylinder in sealing fit is arranged between the second installation cavity and the sleeve.
Further, the limiting component comprises a guide plate arranged in the second installation cavity and two guide posts arranged on the telescopic piece, the two guide posts are arranged at intervals to form a guide groove, and the guide plate is inserted into the guide groove, so that the telescopic piece can only move along the length direction of the guide groove.
Further, the driving motor includes a gear motor.
Further, the outer cylinder comprises a piston cylinder.
Further, a sealing element is arranged between the first mounting cavity and the telescopic element for matching.
Further, the included angle between the plane formed by the cross section of the annular chute and the horizontal plane comprises 30 degrees, 45 degrees, 60 degrees or 75 degrees.
Further, the plane formed by the cross section of the annular chute is elliptical.
The utility model also provides a massage device, which comprises a telescopic transmission mechanism, a mounting bracket provided with a first mounting cavity and a second mounting cavity, a driving motor arranged in the first mounting cavity, a cam column connected with a rotating shaft of the driving motor and positioned in the second mounting cavity, a reversing component in transmission connection with the cam column and a limiting component for guiding and limiting the reversing component, wherein the reversing component comprises a telescopic piece covered on the cam column and a pin arranged on the telescopic piece, the telescopic piece is provided with a cavity for accommodating the cam column, the pin part is positioned in an annular chute arranged on the surface of the cam column, a plane formed along the section of the annular chute forms an included angle of not more than 90 with a horizontal plane, and the pin is driven by the annular chute on the rotating cam column to make the telescopic piece reciprocate linearly under the limit of the limiting component.
Further, the telescopic piece is sleeved with a sleeve which can synchronously stretch with the telescopic piece, and the sleeve and the end face of the telescopic piece form a containing cavity.
Further, the sleeve is arranged in the second mounting cavity, and an outer cylinder in sealing fit is arranged between the first mounting cavity and the sleeve.
Further, a guide plate is arranged in the first installation cavity, and the guide plate and a guide column on the telescopic piece are matched for telescopic guiding.
Further, the driving motor includes a gear motor.
Further, the outer cylinder comprises a piston cylinder.
Further, a sealing element is arranged between the first mounting cavity and the telescopic element for matching.
Further, the telescopic member and the outer cylinder installed in the first installation cavity form a variable cavity communicated with the outside.
Further, the included angle between the plane formed by the cross section of the annular chute and the horizontal plane comprises 30 degrees, 45 degrees, 60 degrees or 75 degrees.
Further, the plane formed by the cross section of the annular chute is elliptical.
The utility model discloses a telescopic transmission mechanism which comprises a mounting bracket provided with a first mounting cavity and a second mounting cavity, a driving motor arranged in the first mounting cavity, a cam column connected with a rotating shaft of the driving motor and positioned in the second mounting cavity, a reversing component in transmission connection with the cam column and a limiting component used for guiding and limiting the reversing component, wherein the reversing component comprises a telescopic piece covered on the cam column and a pin arranged on the telescopic piece, the telescopic piece is provided with a cavity for accommodating the cam column, the pin part is positioned in an annular chute arranged on the surface of the cam column, an included angle which is not more than 90 is formed between a plane formed along the section of the annular chute and a horizontal plane, and the pin is driven by the annular chute on the rotating cam column to make the telescopic piece do linear reciprocating motion under the limit of the limiting component. Because its concertina movement is unanimous with motor shaft direction, can reduce installation space and motion space for transmission structure is compacter in space, and the during operation moving part is less moreover, also can noise abatement.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the following brief description will be given of the drawings required for the description of the embodiments or the prior art, it being apparent that the drawings in the description only illustrate certain embodiments of the utility model and should not be construed as limiting the scope, and that other relevant drawings can be obtained from these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a telescopic transmission mechanism.
Fig. 2 is a schematic view of the structure of fig. 1 taken along the axial direction thereof.
Fig. 3 is a schematic view of a part of the structure of the telescopic transmission mechanism.
Fig. 4 is an enlarged schematic view of the portion a in fig. 2.
Fig. 5 is a schematic view of the structure of fig. 2 after the portion a is turned 180 degrees.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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.
It should be understood that, in the embodiments of the present utility model, all directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are used for convenience in describing the present utility model only and are not intended to be limiting, since the directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientation, positional relationship shown in the drawings or the orientation or positional relationship in which the inventive product is conventionally put in use. Merely to explain the relative positional relationship, movement, etc. between the components shown in the drawings, the directional indication may be changed when the specific posture is changed.
Furthermore, ordinal words such as "first," "second," and the like in the description of the present utility model are used for distinguishing purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. The features defining "first", "second" may be explicit or implicit and at least one of the features. In the description of the present utility model, the meaning of "plurality" means at least two, i.e., two or more, unless otherwise specifically defined; the meaning of "at least one" is one or more.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may, for example, be defined as having a relatively fixed positional relationship between components, as having a physically fixed connection between components, as being detachably connected, or as a unitary structure; the connection can be mechanical connection or electric signal connection; can be directly connected or indirectly connected through intermediate media or components; the communication between two elements or the interaction relationship between two elements is not limited by the specification, and the specific meaning of the terms in the present utility model will be understood by those skilled in the art according to the specific circumstances except that the corresponding function or effect cannot be achieved when other understanding is made.
The controller, control circuit, etc. to which the present utility model may relate are conventional control techniques or units for those skilled in the art, and the control circuit of the controller may be implemented by those skilled in the art using existing techniques, such as simple programming. The software or program for realizing the control result in cooperation with the hardware is used as the conventional technology of the prior art or the person skilled in the art if the description does not show the control process of the related software or program in detail. The power supply also adopts the prior art in the field, and the main technical point of the utility model is to improve the mechanical device, so the utility model does not describe specific circuit control relation and circuit connection in detail.
As shown in fig. 1-5, the present utility model provides a telescoping drive mechanism embodiment.
The telescopic transmission mechanism comprises a mounting bracket 1 provided with a first mounting cavity 11 and a second mounting cavity 12, a driving motor 2 arranged in the first mounting cavity 11, a cam column 3 connected with a rotating shaft of the driving motor 2 and positioned in the second mounting cavity 12, a reversing component connected with the cam column 3 in a transmission manner, and a limiting component used for guiding and limiting the reversing component, wherein the reversing component comprises a telescopic part 4 covered on the cam column 3 and a pin 7 arranged on the telescopic part 4, the telescopic part 4 is provided with a cavity 40 for accommodating the cam column 3, part of the pin 7 is positioned in an annular chute 31 arranged on the surface of the cam column 3, and an included angle of not more than 90 is formed between a plane formed along the section of the annular chute 31 and a horizontal plane. Under the limit of the limiting component, the pin 7 is driven by the annular chute 31 on the cam post 3 to enable the telescopic piece 4 to do linear reciprocating motion. The limiting component comprises a guide plate 81 arranged in the first installation cavity 11 and two guide posts 41 arranged on the telescopic piece 4, the two guide posts 41 are arranged at intervals to form a guide groove, and the guide plate 81 is inserted into the guide groove, so that the telescopic piece 4 can only move along the length direction of the guide groove.
Specifically, the telescopic member 4 is provided with a mounting hole 42, one end of the pin 7 is fixed in the mounting hole 42, and the other end is matched with the annular chute 31. The annular chute 31 is arranged in a height shape and comprises a lowest point close to the driving motor 2 and a highest point far away from the driving motor 2, and when the cam post 3 rotates, the pin 7 slides along the annular chute 31 and reciprocates between the lowest point and the highest point of the annular chute, so that the telescopic piece 4 is driven to reciprocate.
The first installation cavity 11 is used for accommodating the driving motor 2, the second installation cavity 12 is used for accommodating the cam post 3 and the telescopic piece 4, an installation part is arranged between the first installation cavity 11 and the second installation cavity 12, and an output shaft of the driving motor 2 penetrates through the installation part and is positioned in the second installation cavity 12. The same side of the output shaft of the driving motor 2 is provided with a fixed seat 8, and a mounting groove 82 for placing a partition 13 forming a first mounting cavity 11 and a second mounting cavity 12 is arranged between the fixed seat 8 and the end face of the driving motor 2. The telescopic piece 4 is sleeved with a sleeve 5 which is synchronously telescopic with the telescopic piece 4, and the sleeve 5 and the end face of the telescopic piece 4 form a containing cavity. The sleeve 5 is installed in the second installation cavity 12, an outer cylinder 6 in sealing fit with the sleeve 5 can be arranged between the second installation cavity 12 and the sleeve 5, and the outer cylinder 6 can be a piston cylinder. The end of the outer cylinder 6 far away from the telescopic piece 4 and the sleeve 5 is provided with an opening, and when the driving motor 2 drives the telescopic piece 4 and the sleeve 5 to reciprocate in the outer cylinder 6 through the cam post 3 and the pin 7, the volume of the outer cylinder 6 is periodically changed to generate alternating positive and negative pressure at the opening.
Further, the plane formed by the cross section of the annular chute 31 forms an included angle of not more than 90 degrees with the horizontal plane, the plane formed by the cross section is elliptical, and the included angle a formed by the straight line of the highest point and the lowest point of the plane and the horizontal line is not more than 90 degrees. Namely, the plane where the annular chute 31 is located forms an included angle a not greater than 90 degrees with the horizontal direction, the included angle a can be set to be 30 degrees, 45 degrees or 60 degrees, and the like, the size of the included angle a is positively correlated with the telescopic amplitude of the telescopic piece 4, and the larger the included angle a is, the larger the telescopic piece 4 is under the action of the annular chute 31, and vice versa. The pins 7 alternate between their lowest and highest points within the rotating annular chute 31. Fig. 4 shows the state of the pin 7 at the lowest point in the annular chute 31, and fig. 5 shows the state of the pin 7 at the highest point in the annular chute 31.
In operation, the pin 7 is driven by the rotating annular chute 31 to reciprocate the sleeve 5 linearly. Since the telescopic movement of the sleeve 5 is consistent with the direction of the rotating shaft of the driving motor 2, the installation space and the movement space in the transverse direction can be reduced, the transmission structure space is more compact, the transmission parts are fewer, and the noise can be reduced.
According to the requirement, when the section edge of the telescopic piece 4 along the vertical direction of the movement of the telescopic piece is in a non-cylindrical structure, such as a square shape, a limiting component is not required to be arranged, the telescopic piece 4 is utilized to have a guiding characteristic, so that structural components can be reduced, and the cost is reduced.
In order to reduce the expansion frequency, the driving motor 2 may be a gear motor, and if the rotation speed of the driving motor 2 is controllable or smaller, the gear motor is not needed, that is, the driving motor 2 is matched with the reduction gear box.
The bottom edge of the telescopic member 4 is provided with a step structure 43, and the step structure 43 can be an annular or continuous closed structure, so that the sleeve 5 and the telescopic member 4 can be fixed and then positioned stably. The step structure 43 is on a circle centered on the axial center of the expansion member 4.
If necessary, the sleeve 5 may not be used, a sealing member is provided between the outer cylinder 6 and the telescopic member 4, and when the sleeve 5 and the second mounting cavity 12 are integrally formed, a sealing member is provided between the second mounting cavity 12 and the telescopic member 4 for cooperation. The outer cylinder 6 is in clearance fit with the sleeve 5, the telescopic piece 4 and the second installation cavity 12 or the outer cylinder 6, and the fit clearance is 0.05mm-5mm, such as 0.1mm, 0.5mm, 0.8mm, 1mm, 2mm, 5mm and the like. Optionally, the seal is a sealing ring.
As shown in fig. 1-5, the present utility model provides a massage device embodiment.
The massage device comprises a telescopic transmission mechanism and a control circuit board (not shown in the attached drawing), wherein the telescopic transmission mechanism comprises a mounting bracket 1 provided with a first mounting cavity 11 and a second mounting cavity 12, a driving motor 2 arranged in the first mounting cavity 11, a cam column 3 connected with a rotating shaft of the driving motor 2 and not provided with the second mounting cavity 12, a reversing component connected with the cam column 3 in a transmission manner and a limiting component used for guiding and limiting the reversing component, the reversing component comprises a telescopic part 4 covered on the cam column 3 and a pin 7 arranged on the telescopic part 4, the telescopic part 4 is provided with a cavity 41 for accommodating the cam column 3, the pin 7 is partially positioned in an annular chute 31 arranged on the surface of the cam column 3, an included angle of not more than 90 is formed between a plane formed along the section of the annular chute 31 and a horizontal plane, the pin 7 is driven by the annular chute 31 on the cam column 3 to make the telescopic part reciprocate in a straight line, and the control circuit board is connected with the driving motor to control the telescopic part 4 to work in a mounting manner. The telescopic member 4 forms a variable cavity communicating with the outside with the outer cylinder 6 mounted in the first mounting chamber 11.
The limiting component comprises a guide plate 81 arranged in the first installation cavity 11 and two guide posts 41 arranged on the telescopic piece 4, the two guide posts 41 are arranged at intervals to form a guide groove, and the guide plate 81 is inserted into the guide groove, so that the telescopic piece 4 can only move along the length direction of the guide groove.
Specifically, the telescopic member 4 is provided with a mounting hole 42, one end of the pin 7 is fixed in the mounting hole 42, and the other end is matched with the annular chute 31, and the matching means that the pin can only slide along the length direction of the annular chute 31.
The first installation cavity 11 is used for accommodating the driving motor 2, the second installation cavity 12 is used for accommodating the cam post 3 and the telescopic piece 4, an installation part is arranged between the first installation cavity 11 and the second installation cavity 12, the same side of an output shaft of the driving motor 2 is provided with a fixed seat 8, and an installation groove 82 used for placing a partition 13 forming the first installation cavity 11 and the second installation cavity 12 is arranged between the fixed seat 8 and the end face of the driving motor 2. The telescopic piece 4 is sleeved with a sleeve 5 which is synchronously telescopic with the telescopic piece 4, and the sleeve 5 and the end face of the telescopic piece 4 form a containing cavity. The sleeve 5 is installed in the second installation cavity 12, an outer cylinder 6 in sealing fit with the sleeve 5 can be arranged between the second installation cavity 12 and the sleeve 5, and the outer cylinder 6 can be a piston cylinder.
The plane formed by the section of the annular chute 31 forms an included angle of not more than 90 degrees with the horizontal plane, the plane formed by the section is elliptical, and the included angle a formed by the straight line of the highest point and the lowest point of the plane and the horizontal line is not more than 90 degrees. Namely, the plane where the annular chute 31 is located forms an included angle a not greater than 90 degrees with the horizontal direction, the included angle a can be set to be 30 degrees, 45 degrees or 60 degrees, and the like, the size of the included angle a is positively correlated with the telescopic amplitude of the telescopic piece 4, and the larger the included angle a is, the larger the telescopic piece 4 is under the action of the annular chute 31, and vice versa. The pins 7 alternate between their lowest and highest points within the rotating annular chute 31. Fig. 4 shows the state of the pin 7 at the lowest point in the annular chute 31, and fig. 5 shows the state of the pin 7 at the highest point in the annular chute 31.
In operation, the driving motor 2 drives the cam post 3 to rotate, the pins 7 alternately move between the high and low points of the annular chute 31 periodically, so that the sleeve 5 moves linearly and reciprocally, the volume of the outer cylinder 6 is changed, and positive and negative pressure is alternately generated at the opening 61 of the outer cylinder. Because telescopic movement of the sleeve is consistent with the direction of the motor rotating shaft, the installation space and the movement space in the transverse direction can be reduced, the transmission structure space is more compact, the transmission parts are fewer, and the noise can be reduced.
In order to reduce the expansion frequency, the driving motor 2 may be a gear motor, and if the rotation speed of the driving motor 2 is controllable or smaller, the gear motor is not needed, that is, the driving motor 2 is matched with the reduction gear box.
If necessary, the sleeve 5 may not be used, a sealing member is provided between the outer cylinder 6 and the telescopic member 4, and when the sleeve 5 and the second mounting cavity 12 are integrally formed, a sealing member is provided between the second mounting cavity 12 and the telescopic member 4 for cooperation. The outer cylinder 6 is in clearance fit with the sleeve 5, the telescopic piece 4 and the second installation cavity 12 or the outer cylinder 6, and the fit clearance is 0.05mm-5mm, such as 0.1mm, 0.5mm, 0.8mm, 1mm, 2mm, 5mm and the like. Optionally, the seal is a sealing ring.
Because the massager has simple transmission structure and few moving parts, the product is convenient to miniaturize, and simultaneously, noise and the like are reduced.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a flexible drive mechanism, its characterized in that, it is including being equipped with the installing support in first installation chamber and second installation chamber, locating the driving motor in first installation chamber, the cam post of being connected with driving motor's pivot, the switching-over subassembly of being connected with the cam post transmission to and be used for leading and spacing subassembly to the switching-over subassembly, the switching-over subassembly is including covering the extensible member of locating the cam post and installing the pin on the extensible member, the extensible member is equipped with the cavity of accomodating the cam post, and this pin part is located the annular spout that the cam post surface set up, follows the plane and the horizontal plane formation that the annular spout cross-section formed are not more than 90 contained angles under the restriction of spacing subassembly, the annular spout on pivoted cam post drives down makes the extensible member make straight line reciprocating motion.
2. The telescopic transmission mechanism according to claim 1, wherein the telescopic member is externally sleeved with a sleeve which is synchronously telescopic with the telescopic member, and the sleeve and the end face of the telescopic member form a cavity.
3. The telescopic transmission mechanism according to claim 2, wherein the sleeve is mounted in the second mounting chamber, and an outer cylinder is provided between the second mounting chamber and the sleeve in sealing engagement.
4. The telescopic transmission mechanism according to claim 1, wherein the limiting assembly comprises a guide plate arranged in the second installation cavity and two guide posts arranged on the telescopic member, the two guide posts are arranged at intervals to form a guide groove, and the guide plate is inserted into the guide groove, so that the telescopic member moves along the length direction of the guide groove.
5. The telescopic transmission according to claim 1, wherein the drive motor comprises a gear motor.
6. A telescopic transmission according to claim 3, wherein the outer cylinder comprises a piston cylinder.
7. The telescopic drive mechanism of claim 1, wherein the plane formed by the cross section of the annular chute forms an angle with the horizontal plane comprising 30, 45, 60 or 75 degrees.
8. The telescopic transmission according to claim 1, wherein the plane formed by the cross section of the annular chute is elliptical.
9. A massaging apparatus comprising a massaging apparatus characterized in that the telescopic transmission mechanism has the telescopic transmission mechanism as claimed in any one of claims 1 to 8.
10. The massage apparatus of claim 9, wherein the expansion member and the outer cylinder mounted in the second mounting chamber form a variable cavity in communication with the outside.
CN202321680269.XU 2023-06-29 2023-06-29 Telescopic transmission mechanism and massage device Active CN220286337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321680269.XU CN220286337U (en) 2023-06-29 2023-06-29 Telescopic transmission mechanism and massage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321680269.XU CN220286337U (en) 2023-06-29 2023-06-29 Telescopic transmission mechanism and massage device

Publications (1)

Publication Number Publication Date
CN220286337U true CN220286337U (en) 2024-01-02

Family

ID=89335030

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321680269.XU Active CN220286337U (en) 2023-06-29 2023-06-29 Telescopic transmission mechanism and massage device

Country Status (1)

Country Link
CN (1) CN220286337U (en)

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