Two-claw drive mechanism

Abstract

Provided is a two-claw drive mechanism that enhances the stimulating effect of massage, realizes the relative movement of the upper ends of two swing arms by a single drive device, and reduces the overall volume of the massage device. 【Solution means】The two-claw drive mechanism includes a housing, a drive plate, and a drive device. The housing is provided with a horizontally installed guide groove. The drive plate is provided in the guide groove. Swing arms are respectively attached to both ends of the drive plate. The lower end of the swing arm is connected to the drive plate. The drive device reciprocates the drive plate in the longitudinal direction of the guide groove, further reciprocates the swing arm, and swings the two swing arms between positions close to and away from each other. When the drive plate reciprocates horizontally, the upper end of the swing arm is subjected to the position-limiting action of the width of the massage head or the swing shaft. When the drive plate moves horizontally, the lower end of the swing arm is swung, and further the massage head is swung (i.e., reciprocally swung), imitating the process of kneading with two fingers.

Description

Technical Field

[0001] The present invention relates to the field of massage movements, and particularly to a two-claw drive mechanism.

Background Art

[0002] Conventional massagers generally consist of a combination of a single cam structure and a single massage head, which plays the role of massage stimulation through the horizontal reciprocating movement or vertical reciprocating movement of the single massage head.

[0003] For example, in US Patent US11007110B1, the chamber was changed by the reciprocating movement of the link to achieve stimulation to the human body. However, the stimulation source is relatively soft and cannot well simulate the massage effect on the human body. In the case of a single massage head, the feel of the stimulation source is relatively poor.

[0004] Of course, there is also a structure that employs a double massage head. However, generally, only by using a double motor can the stroke of the mutual approach or mutual separation of the double massage heads be realized. Its structure is relatively complex, and moreover, the volume is large, and it cannot be flexibly attached to existing massagers (such as adult goods).

Summary of the Invention

[0005] The main object of the present invention is to improve the conventional two-claw drive mechanism, adopt a single drive device to realize the relative movement between the two claws, further enhance the massage effect, and provide a two-claw drive mechanism with a simple and stable structure and a small volume.

[0006] To achieve the above object, the present invention provides a housing provided with a guide groove provided horizontally, a drive plate provided in the guide groove, with swing arms respectively attached to both ends thereof, and the lower end of the swing arm being connected to the drive plate, Provide a two-claw drive mechanism including a drive plate that reciprocates in the longitudinal direction of a guide groove, further causing a swing arm to reciprocally swing, and a drive device for swinging the two swing arms between positions close to and away from each other.

[0007] In the actual design, when the drive plate reciprocates horizontally, the upper end of the swing arm is subject to the position-limiting effect of the width of the massage head or the swing shaft. When the drive plate moves horizontally, it swings the lower end of the swing arm, and further swings the massage head (i.e., reciprocally swings), mimicking the kneading process of two fingers. Furthermore, while enhancing the stimulating effect of the massage, by adopting a single drive device, the relative movement of the upper ends of the two swing arms can be realized, making the volume of the entire massage device smaller, and enabling the two-claw mechanism to be conveniently applied to adult products (such as female sex toys and male sex toys).

Brief Description of the Drawings

[0008]

Figure 1

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Embodiments for Carrying out the Invention

[0009] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings. It is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present invention.

[0010] In addition, in the embodiments of the present invention, if there are directional indications such as up, down, left, right, front, back, top, bottom, inside, outside, vertical direction, horizontal direction, longitudinal direction, counterclockwise, clockwise, circumferential direction, radial direction, axial direction, etc., such directional indications are only used to explain the relative positional relationship and movement status between various components in a specific posture (as shown in the figure). When the specific posture changes, the corresponding directional indications also change accordingly.

[0011] Also, in the embodiments of the present invention, when there are descriptions related to "first", "second", etc., such descriptions of "first", "second", etc. are only used for the purpose of description, and it cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited to "first" and "second" can explicitly or implicitly include at least one feature. In addition, the technical solutions between the embodiments can be combined with each other, but it must be based on what can be realized by those skilled in the art. If contradictions or failures occur in the combination of technical solutions, such a combination of technical solutions does not exist and should be considered not within the protection scope claimed by the present invention.

[0012] As shown in FIGS. 1 to 9, the two-claw drive mechanism includes a housing 1 provided with a horizontally provided guide groove 10, a drive plate 2 provided in the guide groove 10, with swing arms 3 respectively attached to both ends thereof, and the lower ends of the swing arms 3 are connected to the drive plate 2, a drive device 6 for reciprocating the drive plate 2 in the longitudinal direction of the guide groove 10, further reciprocating the swing arms 3, and swinging the two swing arms 3 between positions close to and away from each other.

[0013] In the actual design, when the driving plate 2 reciprocates horizontally, the upper end of the swing arm 3 is subjected to the position limiting action of the width of the massage head 4a or the swing shaft. When the driving plate 2 moves horizontally, the lower end of the swing arm 3 is swung, and further the massage head 4a is swung (i.e., reciprocally swung), imitating the kneading process of two fingers, further enhancing the stimulating effect of the massage, and by adopting a single driving device 6, the relative movement of the upper ends of the two swing arms 3 can be realized, making the volume of the whole massage device smaller, and enabling the two-claw mechanism to be conveniently applied to adult products (such as female sex toys and male sex toys).

[0014] Specifically, an elastic skin layer 4 extending the massage head 4a fitted to the swing arm 3 is provided on the upper wall of the housing, and a locking hole 4d for the swing arm 3 to enter is provided on the massage head 4a.

[0015] In the actual design, the fitting of the elastic skin layer 4 and the massage head 4a can limit the swing width of the swing arm 3, and further realize the relative movement of the upper end by the swing of the lower end.

[0016] Actually, it is understood that the elastic skin layer 4 serves as a restraint, and the swing arm 3 swings the upper end of the massage head 4a with the lower end of the massage head 4a as the swing shaft end.

[0017] Here, by using the elastic skin layer 4 as the swing shaft end, a flexible movement can be realized, and further the massage stimulation at the upper end of the swing arm 3 can be made more comfortable and flexible.

[0018] For example, when applied to adult products, it can enhance the sense of stimulation while avoiding the discomfort caused by rigid contact, and further enhance the sense of sexual stimulation.

[0019] Specifically, between the massage head 4a and the elastic skin layer 4 is the swing shaft end. The swing shaft end is the fulcrum of the swing arm 3, and it can be understood that the swing of the upper end of the swing arm 3 is realized.

[0020] Specifically, a position limiting block 4b is provided at the lower end of the locking hole 4d, the position limiting groove 4c is surrounded by the position limiting block 4b and the inner wall of the locking hole 4d, a position limiting shaft 3a is provided at the upper end of the swing arm 3, the outer diameter of the position limiting shaft 3a is larger than the inner diameter of the position limiting groove 4c, and the upper end of the swing arm 3 is engaged into the elastic skin layer 4 to achieve positioning.

[0021] Specifically, a fulcrum is provided in the middle of the swing arm 3, and the fulcrum is provided on the elastic skin layer 4 or the housing. In actual design, the swing arm 3 can also achieve the relative movement of the upper end of the swing arm 3 by extending the housing to provide a fulcrum or providing a fulcrum on the elastic skin layer 4.

[0022] Specifically, two rotating shafts 5 for mounting two swing arms 3 are respectively provided on both sides of the driving plate 2, and a swing groove 51 fitted to the rotating shaft 5 is provided at the lower end of the swing arm 3. That is, the relative swing of the swing arm 3 can be realized by the fitting of the rotating shaft 5 and the swing groove 51.

[0023] Specifically, an opening groove 52 is provided at the lower end of the swing groove 51, the inner diameter of the swing groove 51 is adapted to the inner diameter of the rotating shaft 5, a position limiting block 4b is provided at one end of the rotating shaft 5 away from the driving plate 2, and the outer diameter of the position limiting block 4b is larger than the inner diameter of the opening groove 52. The installation of the opening groove 52 facilitates the installation of the swing arm 3, avoids the rigid pressing that appears when the end of the swing arm 3 encounters resistance, and can make the massage stimulation softer.

[0024] Of course, specifically, the position of the swing groove 51 may be a flexible structure, and both sides of the swing arm 3 may be bent outward and then sandwiched into the rotating shaft 5.

[0025] Specifically, the swing groove 51 is provided obliquely on the swing arm 3, and the swing groove 51 extends from top to bottom in the direction of the center of the drive plate 2. By adopting the obliquely provided configuration, the swing stroke of the upper end of the swing arm 3 can be increased, and the massage stimulation can be further enhanced.

[0026] Specifically, the drive device 6 includes a rotary motor 61, an eccentric cam 62 connected to the rotary motor 61, and a drive groove 63 provided on the drive plate 2. The drive groove 63 is formed in the drive plate 2, and the eccentric cam 62 enters into the drive groove 63. The drive groove 63 of the drive plate 2 is driven by the eccentric cam 62, and further, the two swing arms 3 are caused to perform relative movement.

[0027] Specifically, the drive plate 2 includes a bottom plate 20 and an adjustment plate 21 provided above the bottom plate 20 (the adjustment plate moves relative to the bottom plate), and the drive groove 63 includes a first drive groove 63a provided on the bottom plate 20 and a second drive groove 63b provided on the adjustment plate 21. The swing arm 3 includes a first swing arm 31 provided at one end of the bottom plate 20 and a second swing arm 32 provided on the adjustment plate 21 and located at a position away from the first swing arm. The eccentric cam 62 includes a first eccentric cam 62a and a second eccentric cam 62b provided above the first eccentric cam 62a. The second drive groove 63b is located above the first drive groove 63a. The second eccentric cam 62b fits into the second eccentric cam 62b after passing through the first drive groove 63a, and the first eccentric cam 62a and the first drive groove 63a are fitted together.

[0028] Specifically, due to the fitting of the bottom plate 20 and the adjustment plate 21, the same rotary motor 61 can cause relative movement between the bottom plate 20 and the adjustment plate 21 via the connected first eccentric cam 62a and second eccentric cam 62b respectively.

[0029] Specifically, a first rotating shaft 5a and a second rotating shaft 5b are respectively provided on the bottom plate 20 and the adjustment plate 21, and are located at both ends of the drive plate 2 respectively.

[0030] Specifically, the rotary motor 61 is provided at the middle position of the two drive plates 2 or at a position on any side. Preferably, the position on any side is adopted, and the other side of the drive plate 2 can be left empty, which further facilitates the installation of other devices and improves the usable space of the volume.

[0031] Specifically, the length of the bottom plate 20 is greater than the length of the adjustment plate 21, or the length of the bottom plate 20 is compatible with the length of the adjustment plate 21. For example, as shown in FIG. 9, the lengths of the bottom plate 20 and the adjustment plate 21 are the same. At this time, the first drive groove 63a and the second drive groove 63b are located at one end where the adjustment plate 21 and the bottom plate 20 are close to each other.

[0032] Specifically, the first eccentric cam 62a and the second eccentric cam 62b are arranged with a displacement.

[0033] Specifically, the convex portions of the first eccentric cam 62a and the second eccentric cam 62b are in opposite directions, and the sizes and shapes of the first drive groove 63a and the second drive groove 63b are the same. Here, if the shapes and sizes of the first drive groove 63a and the second drive groove 63b are the same, the swing amplitudes and swing frequencies of the two swing arms are the same. Furthermore, the mutual approach and mutual separation between the two swing arms are realized by the convex portions in the opposite directions.

[0034] Specifically, a drive portion is provided on the bottom plate 20 by bending. An avoidance portion is provided on the upper wall of the bottom plate 20 and one side of the drive portion. The adjustment plate 21 is provided on the avoidance portion. The upper walls of the adjustment plate 21 and the drive portion are at the same horizontal position, ensuring that the mutual swing amplitudes between the two swing arms are consistent.

[0035] Specifically, an outer cover 7 is provided on the upper wall of the housing 1. A hole 71 through which the swing arm projects is provided in the outer cover 7. The hole 71 is used to regulate the swing amplitude of the swing arm.

[0036] Specifically, the drive groove is elongate, and the length and width of the drive groove are each larger than the diameter of the eccentric cam.

[0037] Specifically, the elastic layer 4 is arranged in a closed loop shape in the axial direction, which can enhance sexual stimulation and provide a softer touch.

[0038] What has been described above is only a preferred embodiment of the present invention, and does not limit the scope of the present invention. Under the inventive concept of the present invention, equivalent structural conversions made using the content of the specification and drawings of the present invention, or those directly / indirectly applied to other related technical fields, are all included in the protection scope of the present invention.

Explanation of Reference Numerals

[0039] 1 Housing 10 Guide Groove 2 Drive Plate 20 Base Plate 20a Drive Portion 20b Avoidance Portion 21 Adjustment Plate 3 Swing Arm 3a Position Limiting Shaft 31 First Swing Arm 32 Second Swing Arm 4 Elastic Layer 4a Massage Head 4b Position Limiting Block 4c Position Limiting Groove 4d Locking Hole 5 Rotation Shaft 5a First Rotation Shaft 5b Second Rotation Shaft 51 Swing Groove 52 Opening Groove 6 Drive Device 61 Rotation Motor 62 Eccentric Cam 62a First Eccentric Cam 62b Second Eccentric Cam 63 Drive Groove 63a First Drive Groove 63b Second Drive Groove 7 Outer Cover 71 holes 8a swing shaft end 8b fulcrum

Claims

1. A two-jaw drive mechanism, a housing provided with a horizontal guide groove; a driving plate provided in the guide groove, the driving plate having swing arms attached to both ends, the lower ends of the swing arms being connected to the driving plate; A two-jaw drive mechanism comprising: a drive device for reciprocatingly moving the drive plate in the longitudinal direction of the guide groove, and further for reciprocatingly swinging the swing arms, thereby swinging the two swing arms between a position close to and a position far from each other.

2. The two-jaw drive mechanism described in claim 1, characterized in that the upper wall of the housing is provided with an elastic skin layer on which extends a massage head that fits onto the oscillating arm, and the massage head is provided with an engagement hole into which the oscillating arm fits.

3. 3. The two-jaw drive mechanism according to claim 2, wherein the end of the swing shaft is between the massage head and the elastic skin.

4. 3. The two-jaw drive mechanism according to claim 2, characterized in that a position limiting block is provided at a lower end of the locking hole, a position limiting groove is surrounded by the position limiting block and an inner wall of the locking hole, a position limiting shaft is provided at an upper end of the swing arm, and an outer diameter of the position limiting shaft is larger than an inner diameter of the position limiting groove.

5. 2. The two-jaw drive mechanism according to claim 1, wherein a fulcrum is provided at a center of said swing arm, said fulcrum being provided on one of an elastic layer and a housing.

6. The two-jaw drive mechanism according to claim 1, characterized in that two rotating shafts for attaching two oscillating arms are provided on both sides of the drive plate, and a swing groove that fits into the rotating shaft is provided at the lower end of the swing arm.

7. The two-jaw drive mechanism according to claim 6, characterized in that an open groove is provided at a lower end of the oscillating groove, the inner diameter of the oscillating groove fits the inner diameter of the rotating shaft, and a position limiting block is provided at one end of the rotating shaft away from the drive plate, and the outer diameter of the position limiting block is larger than the inner diameter of the open groove.

8. 7. The two-jaw drive mechanism according to claim 6, wherein the swing groove is provided on the swing arm at an angle, and the swing groove extends from top to bottom toward the center of the drive plate.

9. The two-jaw drive mechanism according to claim 1, characterized in that the drive device includes a rotary motor, an eccentric cam connected to the rotary motor, and a drive groove provided in a drive plate, the drive groove being formed in the drive plate, and the eccentric cam being inserted into the drive groove.

10. 10. The two-jaw drive mechanism according to claim 9, wherein the drive plate includes a bottom plate and an adjustment plate disposed above the bottom plate and movable relative to the bottom plate.

11. The driving groove includes a first driving groove provided on the bottom plate and a second driving groove provided on the adjustment plate, The swing arm includes a first swing arm provided at one end of the bottom plate, and a second swing arm provided on the adjustment plate and at a position spaced apart from the first swing arm, The eccentric cam includes a first eccentric cam and a second eccentric cam provided above the first eccentric cam, the second driving groove is located above the first driving groove, 11. The two-jaw drive mechanism according to claim 10, wherein the second eccentric cam passes through a first drive groove and then fits into the second eccentric cam, and the first eccentric cam and the first drive groove are fitted together.

12. 12. The two-jaw drive mechanism according to claim 11, wherein the bottom plate and the adjustment plate are provided with a first rotation shaft and a second rotation shaft, respectively.

13. 10. The two-jaw drive mechanism according to claim 9, wherein the rotary motor is provided at a center position or at a position on any side of the two drive plates.

14. The two-jaw drive mechanism according to claim 11, wherein the length of the bottom plate is greater than the length of the adjustment plate, or the length of the bottom plate and the length of the adjustment plate are matched.

15. 12. The two-jaw drive mechanism according to claim 11, wherein the first eccentric cam and the second eccentric cam are provided at different positions.

16. 12. The two-jaw drive mechanism according to claim 11, wherein the convex portion of the first eccentric cam and the convex portion of the second eccentric cam face in opposite directions, and the first drive groove and the second drive groove have the same size and shape.

17. The two-jaw drive mechanism according to claim 11, characterized in that the bottom plate is provided with a drive part that is bent, an avoidance part is provided on one side of the upper wall of the bottom plate and the drive part, the adjustment plate is provided on the avoidance part, and the upper wall of the adjustment plate and the upper wall of the drive part are in the same horizontal position.

18. The two-jaw drive mechanism according to claim 1, characterized in that an outer cover is provided on an upper wall of the housing, the outer cover is provided with a hole through which the swing arm protrudes, and the hole is used to regulate the swing width of the swing arm.

19. 2. The two-jaw drive mechanism according to claim 1, wherein the drive groove is elongated, and the length and width of the drive groove are each greater than a diameter of the eccentric cam.

20. 3. The two-jaw drive mechanism according to claim 2, wherein the elastic layer is provided in a closed loop shape in the axial direction.

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