Reciprocating swing device

Abstract

The utility model discloses a reciprocating swing device which comprises a machine base, a motor, an eccentric wheel, a connecting rod component, a swing piece and a movable connecting portion, the motor is installed on the machine base, the lower portion of the eccentric wheel is connected to an output shaft of the motor, the first end of the connecting rod component is rotationally connected to the upper portion of the eccentric wheel, and the swing piece is connected to one side of the machine base in a pivoted mode. The first end of the swing part protrudes and extends outwards to form a swing arm so that the swing arm can swing in a reciprocating mode around a pivot axis, the pivot axis of the swing arm is perpendicular to the rotation axis of the eccentric wheel, the movable connecting part comprises an opening structure and a movable head, and one of the opening structure and the movable head is arranged at the second end of the connecting rod component. The other one of the mouth structure and the movable head is arranged at the second end of the swing part, and the movable head is movably embedded in the mouth structure, so that the reciprocating swing mechanism is more stable in operation, simple and compact in structure, simple, convenient and rapid in assembly process, high in efficiency, lower in production cost and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of motion mechanisms, and particularly relates to a reciprocating swing device. Background Art

[0002] At present, small hand-held massagers are very popular in the market because of their advantages such as easy storage and carrying, and convenient use. There are endless types and varieties of small hand-held massagers on the market.

[0003] However, the structure of the reciprocating swing device adopted inside the existing massager is relatively complex, the assembly structure design is unreasonable, the assembly process is relatively cumbersome, the processing technology is difficult and the manufacturing cost is high, the production efficiency is low, and the swing mechanism runs unstably and is inconvenient to use. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a reciprocating swing device with a simple and compact structure.

[0005] In order to achieve the above purpose, the technical solution of the utility model provides a reciprocating swing device, including:

[0006] A machine base;

[0007] A motor, which is installed on the machine base;

[0008] An eccentric wheel, the lower part of which is connected to the output shaft of the motor;

[0009] A connecting rod member, the first end of which is rotatably connected to the upper part of the eccentric wheel;

[0010] A swinging member, which is pivotally connected to one side of the machine base, and the first end of the swinging member protrudes outward to form a swing arm, so that the swing arm reciprocates around the pivot axis, and the pivot axis of the swing arm is perpendicular to the rotation axis of the eccentric wheel; and

[0011] A movable connection part, the movable connection part includes a mouth part structure and a movable head, one of the mouth part structure and the movable head is arranged at the second end of the connecting rod member, the other of the mouth part structure and the movable head is arranged at the second end of the swinging member, and the movable head is movably embedded in the mouth part structure.

[0012] Further, a receiving cavity is provided inside the machine base, and a protruding seat extends outwardly from one side of the machine base. A cavity is provided inside the protruding seat, and the cavity communicates with the receiving cavity. The first end of the connecting rod member is disposed inside the receiving cavity, and the second end of the connecting rod member is disposed inside the cavity. The swinging member is pivotally connected to the protruding seat, and the second end of the swinging member extends into the cavity and is movably connected to the second end of the connecting rod member.

[0013] Further, the mouth structure is generally in the shape of a bowl mouth, and the movable head is in the shape of a ball head, so that the movable head can be movably received inside the mouth structure.

[0014] Further, a connecting hole is provided in the lower part of the eccentric wheel, and the output shaft of the motor is inserted into the connecting hole. A shaft rod is provided in the upper part of the eccentric wheel, and the shaft rod passes through the through hole at the first end of the connecting rod member, and the central axis of the shaft rod is parallel and non-collinear with the central axis of the connecting hole.

[0015] Further, shaft end portions respectively protrude and extend from opposite sides of the swinging member. Two opposite supports are provided on the machine base, and shaft holes are provided in both of the two supports, so as to realize pivotal connection by respectively passing the shaft end portions on both sides of the swinging member through the shaft holes of the two supports one by one.

[0016] Further, the machine base includes a base body and an upper cover that are buckled together. The two supports are spaced apart on the upper cover, and the upper cover is provided with a through port, so that the second end of the swinging member extends into the machine base through the through port and is movably connected to the second end of the connecting rod member inside the machine base.

[0017] Further, a plurality of first buckles are provided on the side edge of the upper cover, and a plurality of first card slots are provided on the upper part of the machine base, so as to install the upper cover on the machine base by buckling the first buckles into the first card slots.

[0018] Further, the lower part of the machine base is in a through setting, the lower end of the motor is exposed from the lower part of the machine base, and a pressure ring is detachably provided at the lower part of the machine base, so as to install and fix the motor by sleeving the pressure ring on the motor.

[0019] Further, a cavity is provided on the swing arm, and a vibration motor or a functional component for massage is received inside the cavity.

[0020] Further, a support structure is provided between the connecting rod member and the inner wall of the machine base, so as to support the connecting rod member to move back and forth inside the machine base through the support structure.

[0021] As can be seen from the above technical solution, in the reciprocating swing device of the present utility model, the output shaft of the motor drives the eccentric wheel to rotate, and the connecting rod member is used to push and pull the second end of the swing member to perform left and right reciprocating motion, so that the swing arm of the swing member swings reciprocally around the pivot axis. Moreover, the second end of the swing member and the second end of the connecting rod member are movably connected through the cooperation of the movable head and the mouth structure, making the reciprocating swing mechanism operate more stably, with a simple and compact structure, a reasonable design of the assembly relationship, a simple and fast assembly process, high efficiency, low production cost, and easy to use.

[0022] In order to make the technical concept, other purposes, advantages, features and functions of the present utility model clearer and easier to understand, preferred embodiments will be specifically cited in the following detailed description, and detailed explanations will be made in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 FIG. 1 is a schematic structural diagram of a reciprocating swing device provided by an embodiment of the present application;

[0025] Figure 2 FIG. 2 is a front view of a reciprocating swing device provided by an embodiment of the present application;

[0026] Figure 3 FIG. 3 is a sectional view of a reciprocating swing device provided by an embodiment of the present application;

[0027] Figure 4 FIG. 4 is an exploded structural diagram of a reciprocating swing device provided by an embodiment of the present application;

[0028] Figure 5 FIG. 5 is an exploded structural diagram of a reciprocating swing device provided by an embodiment of the present application from another perspective;

[0029] Figure 6 FIG. 6 is a schematic structural diagram of a reciprocating swing device provided by another embodiment of the present application.

[0030] Among them, the above-mentioned drawings include the following reference numerals:

[0031] 100, base; 110, seat body; 111, accommodation cavity; 112, first card slot; 113, limiting plate; 114, second buckle; 120, protruding seat; 121, cavity; 130, pressure ring; 131, second card slot; 140, upper cover; 141, support; 142, shaft hole; 143, through port; 144, first buckle

[0032] 200, motor; 210, output shaft

[0033] 300, eccentric wheel; 310, shaft rod; 320, connection hole

[0034] 400, connecting rod member; 410, mouth structure; 411, protruding block; 420, perforation

[0035] 500, swinging member; 510, swing arm; 511, cavity; 512, chamber; 520, shaft end; 530, movable head; 540, annular ring Detailed implementation manners

[0036] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this utility model, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of this application.

[0037] Please refer to together Figures 1 to 6 , this embodiment provides a reciprocating swinging device, including:

[0038] Base 100, and the base 100 can be made of plastic;

[0039] Motor 200, the motor 200 is installed inside the base 100, and the motor 200 is preferably a reduction motor 200;

[0040] Eccentric wheel 300, the lower part of the eccentric wheel 300 is fixedly connected to the output shaft 210 of the motor 200, and a circumferential positioning structure is provided between the eccentric wheel 300 and the output shaft 210 of the motor 200 so that there can be no relative rotation between the eccentric wheel 300 and the output shaft 210 of the motor 200;

[0041] Connecting rod member 400, the first end of the connecting rod member 400 is rotatably connected to the upper part of the eccentric wheel 300 so that there can be relative rotation between the eccentric wheel 300 and the first end of the connecting rod member 400 when the motor 200 drives the eccentric wheel 300 to rotate;

[0042] The swing member 500 is pivotally connected to one side of the machine base 100, and the first end of the swing member 500 protrudes outward to form a swing arm 510, so that the swing arm 510 reciprocally swings around the pivot axis. The pivot axis of the swing arm 510 is perpendicularly arranged with respect to the rotation axis of the eccentric wheel 300, and the rotation axis of the eccentric wheel 300 is vertically arranged, while the pivot axis of the swing arm 510 is horizontally arranged; and

[0043] The movable connection part includes a mouth part structure 410 and a movable head 530. One of the mouth part structure 410 and the movable head 530 is arranged at the second end of the link member 400, and the other of the mouth part structure 410 and the movable head 530 is arranged at the second end of the swing member 500, and the movable head 530 is movably embedded in the mouth part structure 410.

[0044] It can be seen that in the reciprocating swing device of this embodiment, the output shaft 210 of the motor 200 drives the eccentric wheel 300 to rotate and pushes and pulls the second end of the swing member 500 through the link member 400 to perform left - right reciprocating motion, so that the swing arm 510 of the swing member 500 reciprocally swings around the pivot axis. And the second end of the swing member 500 and the second end of the link member 400 are movably connected through the cooperation of the movable head 530 and the mouth part structure 410, making the reciprocating swing mechanism operate more stably, with a simple and compact structure, reasonable design of the assembly relationship, simple and fast assembly process, high efficiency, low production cost, and being convenient to use.

[0045] In this embodiment, as Figures 2 to 5 shown, a receiving cavity 111 is provided in the machine base 100, and a protruding seat 120 protrudes outward from one side of the machine base 100. A cavity 121 is provided in the protruding seat 120, and the cavity 121 communicates with the receiving cavity 111. The first end of the link member 400 is arranged in the receiving cavity 111, the second end of the link member 400 is arranged in the cavity 121, and the swing member 500 is pivotally connected above the protruding seat 120. The second end of the swing member 500 extends into the cavity 121 and is movably connected to the second end of the link member 400. With such an arrangement, the swing member 500 is pivotally connected above the protruding seat 120, so that the swing amplitude of the swing arm 510 of the swing member 500 outward is larger, the swing operation is stable and reliable, and the structure is compact, with a small volume and less occupied space, being convenient to be assembled in a small - sized handheld massager.

[0046] Specifically, as Figures 3 to 5As shown, the mouth structure 410 is generally in the shape of a bowl mouth, and the movable head 530 is in the shape of a ball head, so that the movable head 530 can be movably received in the mouth structure 410. With such a setting, the structure of the movable connection between the second end of the swing member 500 and the second end of the link member 400 is relatively stable and reliable, thereby effectively improving the stability and reliability of the reciprocating swing movement of the swing arm 510.

[0047] Furthermore, as Figures 3 to 5 shown, a connection hole 320 is provided in the lower part of the eccentric wheel 300. A cylinder extends downward from the lower part of the eccentric wheel 300, and the connection hole 320 is provided on the cylinder. The output shaft 210 of the motor 200 is inserted into the connection hole 320. A shaft rod 310 is provided on the upper part of the eccentric wheel 300, and the shaft rod 310 passes through the through hole 420 at the first end of the link member 400. The central axis of the shaft rod 310 is parallel and non-collinear with the central axis of the connection hole 320. With such a setting, when the motor 200 drives the eccentric wheel 300 to rotate, the link member 400 can be driven to push and pull the swing member 500 to perform reciprocating swing, thereby achieving the purpose of the reciprocating swing of the swing arm 510.

[0048] In this embodiment, as Figure 4 and Figure 5 shown, shaft end portions 520 respectively protrude and extend from opposite sides of the swing member 500. Two opposite supports 141 are provided on the machine base 100. Shaft holes 142 are provided in both of the two supports 141, and both of the two supports 141 are provided above the protruding seat 120, so as to achieve pivotal connection by respectively passing the shaft end portions 520 on both sides of the swing member 500 through the shaft holes 142 of the two supports 141. In this way, the swing arm 510 of the swing member 500 can reciprocate around the pivot axis.

[0049] Among them, as Figure 4 and Figure 5 shown, annular rings 540 are respectively sleeved on the shaft end portions 520 on both sides of the swing member 500, and each annular ring 540 is respectively located between the support 141 and the swing member 500. The annular rings 540 are made of silicone or rubber materials.

[0050] Specifically, as Figures 3 to 5 shown, the machine base 100 includes a base body 110 and an upper cover 140 that are buckled together. The two supports 141 are spaced apart on the upper cover 140, and the upper cover 140 is provided with a through port 143, so that the second end of the swing member 500 extends into the machine base 100 through the through port 143 and is movably connected to the second end of the link member 400 inside the machine base 100.

[0051] Further, a plurality of first buckles 144 are provided on the side edge of the upper cover 140, and a plurality of first card slots 112 are provided on the upper part of the base 100, so that the upper cover 140 can be installed on the base 100 by engaging the first buckles 144 in the first card slots 112. The structure is simple and the assembly is convenient and fast.

[0052] In this embodiment, as Figure 1 and Figure 3 shown, the lower part of the base 100 is provided with a through hole. The upper end of the motor 200 extends into the accommodating cavity 111 of the base 100, and the lower end of the motor 200 exposes from the lower part of the base 100. And a pressure ring 130 is detachably provided at the lower part of the base 100, so that the pressure ring 130 is sleeved on the motor 200 for installation and fixation, and the pressure ring 130 abuts against the step on the motor 200 for axial limit. The structure is simple, compact, stable and reliable, and the assembly is convenient.

[0053] In one embodiment, as Figure 6 shown, a cavity 511 is provided on the swing arm 510. The cavity 511 is generally in the shape of a cylindrical barrel, and a chamber 512 is provided inside the cavity 511. A vibration motor or a functional component for massage is accommodated inside the cavity 511, so as to generate a vibration massage effect through the vibration motor, thereby expanding the functional structural design of the reciprocating swing device.

[0054] Specifically, as Figures 3 to 5 shown, a plurality of second card slots 131 are provided on the side edge of the pressure ring 130, and a plurality of second buckles 114 are provided on the lower part of the base 100, so that the pressure ring 130 can be installed on the lower part of the base 100 by engaging the second buckles 114 in the second card slots 131.

[0055] Further, as Figures 3 to 5 shown, a support structure is provided between the link member 400 and the inner wall of the base 100, so as to support the link member 400 to move back and forth in the base 100 through the support structure.

[0056] Among them, as Figures 3 to 5 shown, the support structure includes two limiting plates 113 which are relatively spaced apart in the base 100. The second end of the link member 400 is arranged between the two limiting plates 113, and protruding blocks 411 are arranged on both opposite sides of the second end of the link member 400, so as to support the link member 400 by respectively placing the two protruding blocks 411 on the two limiting plates 113, so as to support the link member 400 to move back and forth between the accommodating cavity 111 and the cavity 121, and push and pull the swing member 500 to perform reciprocating swing.

[0057] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0058] The reciprocating swing device of the utility model is driven by the output shaft 210 of the motor 200 to rotate the eccentric wheel 300 and push and pull the second end of the swing member 500 through the connecting rod member 400 to perform left and right reciprocating motion, so that the swing arm 510 of the swing member 500 reciprocates around the pivot axis, and the second end of the swing member 500 and the second end of the connecting rod member 400 are movably connected through the movable head 530 and the mouth structure 410, so that the reciprocating swing mechanism runs more stably, has a simple and compact structure, a reasonable assembly relationship design, a simple and quick assembly process, high efficiency, low production cost, and is easy to use.

[0059] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0060] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0061] It should be noted that, in the description of the present application, unless otherwise clearly specified and limited, the terms "set, connect, connect, install" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, a conflicting connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0062] In the description of the present application, it should be understood that the orientation or positional relationship indicated by orientation terms such as "front, rear, upper, lower, left, right", "lateral, longitudinal, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description. Without contrary description, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present application; in addition, the orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0063] For the convenience of description, spatial relative terms such as "above...", "over...", "on the upper surface of...", "above-mentioned", etc. can be used here to describe the spatial positional relationship between a device or feature shown in the figure and other devices or features. It should be understood that the spatial relative terms are intended to include different orientations in use or operation other than the orientation described in the figure for the device. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "over other devices or structures" will then be positioned as "below other devices or structures" or "under other devices or structures". Thus, the exemplary term "above..." can include both orientations of "above..." and "below...". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the corresponding explanations for the spatial relative descriptions used here are made.

[0064] In addition, it should be noted that in the description of the present utility model, the use of words such as "first", "second", etc. to limit components is only for the convenience of distinguishing the corresponding components. Without additional statement, the above words have no special meaning. Therefore, it should not be construed as a limitation on the protection scope of the present application.

[0065] The above is the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art in the technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A reciprocating swing device, characterized in that: include: Machine base; A motor, wherein the motor is mounted on the base; An eccentric wheel, the lower part of which is connected to the output shaft of the motor; A connecting rod member, a first end of which is rotatably connected to an upper portion of the eccentric wheel; A swinging member, the swinging member is pivotally connected to one side of the base, and a first end of the swinging member protrudes outward to form a swing arm, so that the swing arm reciprocates around a pivot axis, and the pivot axis of the swing arm is perpendicular to the rotation axis of the eccentric wheel; as well as A movable connection part, the movable connection part includes a mouth structure and a movable head, one of the mouth structure and the movable head is arranged at the second end of the connecting rod component, the other of the mouth structure and the movable head is arranged at the second end of the swinging member, and the movable head can be movably embedded in the mouth structure.

2. The reciprocating swing device according to claim 1, characterized in that: A accommodating cavity is provided in the machine base, and one side of the machine base protrudes outward to extend to form a protruding seat, a cavity is provided in the protruding seat, and the cavity is communicated with the accommodating cavity, the first end of the connecting rod member is provided in the accommodating cavity, the second end of the connecting rod member is provided in the cavity, the swinging member is pivotally connected to the protruding seat, and the second end of the swinging member extends into the cavity and is movably connected to the second end of the connecting rod member.

3. The reciprocating swing device according to claim 1 or 2, characterized in that: The mouth structure is roughly in the shape of a bowl, and the movable head is in the shape of a ball head, so that the movable head can be movably accommodated in the mouth structure.

4. The reciprocating swing device according to claim 1 or 2, characterized in that: A connecting hole is provided at the lower part of the eccentric wheel, and the output shaft of the motor is inserted into the connecting hole. A shaft rod is provided at the upper part of the eccentric wheel, and the shaft rod is passed through the through hole of the first end of the connecting rod component, and the central axis of the shaft rod is parallel to the central axis of the connecting hole and is not arranged in a colinear manner.

5. The reciprocating swing device according to claim 1 or 2, characterized in that: The opposite sides of the swinging member are respectively extended to form shaft ends, and the machine base is provided with two opposite supports, and shaft holes are opened on the two supports so that the shaft ends on both sides of the swinging member can be respectively passed through the shaft holes of the two supports in a one-to-one correspondence to achieve pivotal connection.

6. The reciprocating swing device according to claim 5, characterized in that: The base includes a base body and an upper cover that fit together, the two supports are spaced apart on the upper cover, and the upper cover is provided with a through hole so that the second end of the swinging member can extend into the base through the through hole and be movably connected with the second end of the connecting rod member in the base.

7. The reciprocating swing device according to claim 6, characterized in that: The side edge of the upper cover is provided with a plurality of first buckles, and the upper part of the base is provided with a plurality of first slots, so that the upper cover can be installed on the base by snapping the first buckles into the first slots.

8. The reciprocating swing device according to claim 6, characterized in that: The lower part of the machine base is through-set, the lower end of the motor is exposed from the lower part of the machine base, and a pressure ring is detachably provided on the lower part of the machine base so as to be mounted and fixed on the motor by means of the pressure ring.

9. The reciprocating swing device according to claim 1 or 2, characterized in that: The swing arm is provided with a cavity, and a vibration motor or functional component for massage is accommodated inside the cavity.

10. The reciprocating swing device according to claim 1 or 2, characterized in that: A supporting structure is provided between the connecting rod member and the inner wall of the machine base, so that the connecting rod member is supported by the supporting structure to move back and forth in the machine base.

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