JP2019005164A - Ejaculation promotion device - Google Patents

Abstract

To provide an ejaculation promotion device capable of efficiently promoting ejaculation, and achieving smooth reciprocation of a massage part.SOLUTION: An ejaculation promotion device 1 comprises: a massage part 3; and a drive part D to which the massage part 3 is attached, and which reciprocates at least a part of the massage part along an almost one direction, in which the drive part D comprises an attachment part (storage cylinder 6) fixed to the massage part 3, a reciprocation part for reciprocating the attachment part 6 along an almost one direction, and a weight part (counter weight 32) being reciprocated along an opposite direction of the reciprocation of the attachment part 6, by the reciprocation part.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an ejaculation promoting apparatus having a massage part and a drive part to which the massage part is attached and which reciprocates at least partly in substantially one direction.

  In order to investigate the cause of infertility between couples, medical necessity such as examining sexual function of husband from collected sperm, treating sexual dysfunction, and securing and storing sperm for artificial insemination From the viewpoint of sex, an ejaculation promoting device that artificially promotes male ejaculation is conventionally known.

  In addition, ejaculation promoting devices are also used to satisfy various social needs such as prevention of sex crimes by eliminating personal sexual desires, prevention of prostitution, and reduction of the number of persons with sexually transmitted diseases.

  In view of such a background, the present applicant has previously proposed a mechanical and electric ejaculation promotion device that can increase ejaculation efficiency (see Patent Document 1).

  The ejaculation promotion apparatus disclosed in Patent Document 1 includes a massage part that can be expanded and contracted by a resin, a reciprocating member to which the massage part is attached, and a massage attached to the reciprocating member by reciprocating the reciprocating member. Driving means for expanding and contracting the portion in the front-rear direction.

  The massage part is formed in a cylindrical shape with an open front surface, and a penis is inserted through the opening, and the massage part is expanded and contracted in the front-rear direction by the driving means, thereby ejaculating.

JP 2014-4292 A

  In the electric ejaculation promoting device represented by the above-described example, in order to efficiently promote ejaculation, it is conceivable to increase the stroke of the reciprocating motion (extension and contraction in the above example) of the massage unit.

  However, in the conventional ejaculation promoting device described above, the reciprocating member needs to be reciprocated in order to reciprocate the massage part, and the reciprocating member needs a required mass to securely fix the massage part. On the other hand, by reciprocating the reciprocating member, the entire ejaculation promoting device vibrates due to the inertia of the reciprocating member, and as a result, there is a possibility that ejaculation is not smoothly promoted by the ejaculation promoting device. In particular, when the stroke of the reciprocating motion of the massage part is increased, or when the speed of the reciprocating motion of the massage part is increased, this tendency may be further increased.

  Accordingly, an object of the present invention is to provide an ejaculation promoting apparatus capable of efficiently promoting ejaculation and realizing a smooth reciprocation of a massage part.

In order to achieve this object, the present invention provides an ejaculation promoting apparatus including a massage unit and a drive unit to which the massage unit is attached and reciprocally moves at least part of the massage unit along substantially one direction. An attachment part fixed to the massage part, a reciprocating part for reciprocating the attachment part along substantially one direction, and a weight part reciprocating along the direction opposite to the reciprocation of the attachment part by the reciprocating part; It is characterized by having.
Here, the reciprocating part may reciprocate the attachment part and the weight part by substantially the same stroke.
In addition, the reciprocating unit includes a motor unit that generates a rotational driving force, a driving pulley that is rotationally driven by the motor unit, a driven pulley, and a driving side that is wound between the driving side and the driven pulley. The belt may be rotated by a pulley, and the attachment portion and the weight portion may be attached to different sides of the delivery side and the winding side from the driving pulley of the belt.
Further, it is preferable that the attachment portion is formed in an outer cylindrical shape, and the weight portion has an arcuate facing portion along the outer periphery of the attachment portion.

  In such an ejaculation promoting apparatus according to the present invention, the drive unit includes an attachment part fixed to the massage part, a reciprocation part that reciprocates the attachment part in substantially one direction, and a reciprocation part. And a weight portion reciprocated along the opposite direction.

  With the above-described configuration, the weight portion acts as a counterweight with respect to the attachment portion, and the vibration caused by the reciprocation of the attachment portion can be weakened at least by the reciprocation of the weight portion, and preferably canceled. Thereby, while aiming at the efficient promotion of ejaculation, the smooth reciprocation of a massage part is realizable.

  Here, when the reciprocating part reciprocates the attachment part and the weight part by substantially the same stroke, the vibration caused by the reciprocation of the attachment part is further weakened by the reciprocating movement of the weight part, and the reciprocating part acts in the canceling direction. Can do. Thereby, while aiming at more efficient promotion of ejaculation, the smooth reciprocation of a massage part is realizable.

  In addition, the reciprocating unit includes a motor unit that generates a rotational driving force, a driving pulley that is rotationally driven by the motor unit, a driven pulley, and a driving side that is wound between the driving side and the driven pulley. A belt that is rotationally driven by a pulley, and when the attachment portion and the weight portion are attached to different sides of the belt-feeding side and the winding side of the belt, the weight portion can be configured with a simple configuration. It can be reciprocated along the direction opposite to the reciprocating motion of the mounting portion.

  Furthermore, when the attachment portion is formed in an outer cylindrical shape and the weight portion has an arcuate facing portion along the outer periphery of the attachment portion, the drive portion including the weight portion can be downsized.

It is a perspective view which shows the external appearance of the ejaculation promotion apparatus of one Example. It is a left view which shows the external appearance of the ejaculation promotion apparatus of one Example. It is a perspective view which shows the state which took out the massage part from the ejaculation promotion apparatus of one Example. It is a perspective view which shows the state which removed the cover part from the ejaculation promotion apparatus of one Example. It is a perspective view which shows the massage part which comprises the ejaculation promotion apparatus of one Example. It is a perspective view which shows the massage part which comprises the ejaculation promotion apparatus of one Example. It is a perspective view which takes out and shows the massage part and drive part of the ejaculation promotion apparatus of one Example. It is a front view which takes out and shows the massage part and drive part of the ejaculation promotion apparatus of one Example. It is a partially broken front view of FIG. It is a partially broken perspective view which takes out and shows the massage part and drive part of the ejaculation promotion apparatus of one Example. It is a partially broken top view which takes out and shows the massage part and drive part of the ejaculation promotion apparatus of one Example. It is a partially broken rear view which takes out and shows the massage part and drive part of the ejaculation promotion apparatus of one Example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[One Example]

  FIG. 1 is a perspective view showing the appearance of an ejaculation promoting apparatus according to an embodiment, FIG. 2 is a left side view showing the appearance of the ejaculation promoting apparatus according to an embodiment, and FIG. FIG. 4 is a perspective view showing a state in which the lid is removed from the ejaculation promoting device of one embodiment.

  As shown in FIGS. 1 to 4, the ejaculation promoting apparatus 1 of the present embodiment includes an apparatus main body 2 and a massage unit 3 accommodated in the apparatus main body 2.

  As best shown in FIG. 1, the apparatus main body 2 is detachably attached to a housing 4 having an outer shape extending along one direction and a front portion of the housing 4 (a diagonally left front portion in FIG. 1). And a lid 5 provided.

  In the following description, as shown in FIG. 1, the X axis is taken along the extending direction of the housing 4, the Y axis is taken along the direction orthogonal to the X axis in the horizontal direction, and X The Z axis is taken along a direction perpendicular to the axis. The description will be made with the positive direction of the X-axis as the front, the negative direction as the back, the positive direction of the Y-axis as the right, the negative direction as the left, the positive direction of the Z-axis as the up, and the negative direction as the down.

  The housing 4 is formed in a hollow shape, and inside the housing 4, as shown in FIGS. 2 and 8 to 11, a cylindrical storage tube 6 having a bottom at the rear end is provided at the front end. The opening 6 a is provided so as to face the front end of the housing 4. And the massage part 3 is accommodated in this storage cylinder 6. FIG.

<Massage part>
As shown in detail in FIGS. 5 and 6, the massage part 3 includes a massage main body part 10 made of an elastomer and an attachment part 11 made of a hard member for attaching the massage main body part 10 to the apparatus main body 2. 5 and 6, it should be noted that the vertical direction and the horizontal direction are different from the other drawings because of the illustrated relationship.

  The massage body 10 has an outer shape that extends in the front-rear direction, similar to the housing 4. This massage main body 10 is formed in a substantially cylindrical shape, and extends in the front-rear direction, a cylindrical portion 10a, a disc-shaped mounting plate 10b formed at the front end of the cylindrical portion 10a, and a side surface of the cylindrical portion 10a. And a plate-like fixing plate 10c extending in the front-rear direction.

  The mounting plate 10b is formed with an opening 10d at a substantially central portion thereof. As shown in FIG. 9, the mounting plate 10b extends in the front-rear direction from the opening 10d toward the inner side of the cylinder portion 10a, and the rear of the cylinder portion 10a. A hollow portion 10e having a bottom at the end is formed. The hollow portion 10e is formed in a substantially circular cross section, and a plurality of ridges 10g are formed on the inner wall 10f constituting the hollow portion 10e.

  As best shown in FIG. 6, a pair of fixing plates 10 c are formed at symmetrical positions in the horizontal direction of FIG. 5 and FIG. 6 (the vertical direction in the description of this embodiment). The fixing plate 10c has a plurality of through-holes 10h penetrating in the thickness direction, and the upper and lower surfaces (only the upper surface is shown in the figure) of the fixing plate 10c in FIGS. A reinforcing plate 12 made of a hard member such as plastic for reinforcing the through hole 10h is fixed.

  The cylindrical portion 10a, the mounting plate 10b, and the fixing plate 10c are integrally formed of an elastomer such as silicon rubber.

  The attachment portion 11 is fixed around the attachment plate 10b which is the peripheral portion of the opening 10d. The mounting portion 11 has split mounting portions 11a and 11b that are formed by dividing the mounting portion 11 in a direction orthogonal to the front-rear direction, in the left-right direction in the illustrated example, and whose outer shape is formed in an arc shape. The portions 11a and 11b are fixed to the mounting plate 10b by sandwiching the peripheral portion of the mounting plate 10b in the front-rear direction.

  As best shown in FIGS. 5 and 6, the split mounting portions 11a and 11b are fixed to the mounting plate 10b with a predetermined gap therebetween. In other words, a part of the mounting plate 10b is exposed between the split mounting portions 11a and 11b, and an extendable portion 10j that is not sandwiched between the split mounting portions 11a and 11b is provided.

  Similarly, arcuate engagement projections 11c and 11d are projected forward on the front surfaces of the divided mounting portions 11a and 11b, and arcuate engagement projections 11e and 11f are similarly formed on the rear surfaces. It protrudes toward the rear.

  The split mounting portions 11a and 11b are formed of a hard member such as plastic, for example.

  As shown in FIGS. 3, 10, and 11, the massage unit 3 includes a fixed cylinder 13 that is formed in a hollow outer cylindrical shape and has a bottom at the rear end. As shown in FIGS. 10 and 11, the fixed cylinder 13 is formed to have a size that can be stored in the storage cylinder (attachment portion) 6 of the apparatus main body 2. As best shown in FIG. 3, the fixed cylinder 13 is divided in the left-right direction in the figure, and each constitutes a divided fixed cylinder 13a, 13b. Pins (not shown) are formed inside the divided fixed cylinders 13 a and 13 b, and these pins are inserted into the through holes 10 h of the massage main body 10. Thereby, the fixed cylinder 13 and the cylinder part 10a of the massage main body part 10 can be moved integrally.

<Driver>
The apparatus main body 2 includes a drive unit D that reciprocates at least a part of the massage main body 10 in the front-rear direction.

  As shown in FIGS. 7 to 12, the drive unit D includes a gear motor (motor unit) 21 attached to the upper portion of the base 20, a toothed pulley 22 fixed to the drive shaft of the gear motor 21, and a base. To adjust the tension of the toothed belt 25, the toothed pulley 24 rotatably attached to the lower portion of the base 20 by the drive shaft 23, the toothed pulleys 22 and 24, and the toothed belt 25. A tension pulley 26 attached to the base 20, a toothed pulley (drive pulley) 27 fixed to the opposite side of the drive shaft 23 to which the toothed pulley 24 is fixed, and a front portion of the apparatus main body 2. A toothed pulley (driven pulley) 28 that is rotatably attached, a toothed belt 29 laid around these toothed pulleys 28, an upper part fixed to the side surface of the storage cylinder 6, and a lower part a toothed belt Reciprocating part 3 fixed to 29 With the door. Therefore, the gear motor 21, the toothed pulley 27, the toothed pulley 28, and the toothed belt 29 constitute the reciprocating portion R of this embodiment.

  As shown in FIGS. 7 and 8, a cylindrical outer cylinder 7 is provided on the outer periphery of the storage cylinder 6, and a toothed pulley 28 is rotatably attached to a lower portion of the outer cylinder 7. The outer cylinder 7 is attached to the front part of the housing 4 by fixing means (not shown).

  A rectangular guide plate 31 extending in the front-rear direction of the housing 4 is provided at the lower portion of the housing 4, and the lower portion of the reciprocating portion 30 is engaged with the guide plate 31 to engage the guide plate 31. A guide groove that slides on the upper surface is formed. As a result, the reciprocating unit 30 is slidable along the front-rear direction of the housing 4.

  A counterweight (weight portion) 32 is fixed to the toothed belt 29. The counterweight 32 has a facing portion 32a facing the outer periphery of the storage tube 6 in a slightly larger arc shape than the storage tube 6. The counterweight 32 has a rear end portion fixed to the base 20 and a pair of guide rods 33 attached to the lower portion of the outer cylinder 7 at the front end portion. The counterweight 32 extends along the guide rod 33. The movement path is regulated in the front-rear direction of the housing 4 by moving.

  As shown in detail in FIGS. 7 to 9, the reciprocating part 30 is fixed to the upper side of the toothed belt 29 in FIGS. 8 and 9, while the counterweight 32 is below the toothed belt 29 in FIGS. 8 and 9. It is fixed on the side. That is, the reciprocating unit 30 and the counterweight 32 are attached to different sides of the feeding side and the winding side from the toothed pulley (drive side pulley) 27 of the toothed belt 29.

  Accordingly, when the reciprocating unit 30 is driven in the forward direction of the casing 4 by the gear motor 21 and the toothed belt 29, the counterweight 32 is driven in the backward direction of the casing 4. On the other hand, when the reciprocating unit 30 is driven in the rearward direction of the housing 4 by the gear motor 21 and the toothed belt 29, the counterweight 32 is driven in the forward direction of the housing 4. Thereby, the counterweight 32 is reciprocated in the opposite direction to the reciprocating movement of the reciprocating part 30 in the front-rear direction. In addition, the reciprocating unit 30 and the counterweight 32 are reciprocated by substantially the same stroke.

  The counterweight 32 is for weakening, preferably canceling, vibrations associated with the reciprocating motion of the reciprocating portion 30 and the storage cylinder 6 to which the reciprocating portion 30 is attached. Therefore, the material, shape, and mass are appropriately selected from the viewpoint of weakening and preferably canceling vibrations associated with the reciprocating motion of the storage cylinder 6 including the reciprocating portion 30.

  In particular, the counterweight 32 is formed with an arcuate portion 32a facing the outer periphery of the storage cylinder 6 in an arc shape that is slightly larger than the outer periphery of the storage cylinder 6. Therefore, the counterweight 32 can be reduced in size as a whole. .

Although not shown, the ejaculation promoting apparatus 1 of this embodiment has a control unit that rotates the gear motor 21 in a predetermined pattern, and the gear motor 21 is rotationally driven by the driving power supplied from the control unit. Is done. Further, as shown in FIG. 1, on the upper surface of the housing 4, a power switch 40 for instructing to turn on / off the ejaculation promoting device 1 and operation instruction switches 41 a to 41 a for performing various operation commands to the control unit. 41d is provided.
<Engagement part>

  Returning to FIG. 3, on the front surface of the housing 4, engagement convex portions 4 a, 4 b that engage with the split mounting portions 11 a, 11 b of the massage portion 3 are projected forward. The engaging projections 4a and 4b are formed in an arc shape, and the diameter thereof is slightly larger than the diameter of the divided mounting portions 11a and 11b.

  Thereby, when the massage part 3 is attached to the housing | casing 4, as shown in FIG. 4, the division | segmentation attaching parts 11a and 11b fit (engage) between the engagement convex parts 4a and 4b. Thus, the vertical and horizontal positions of the divided mounting portions 11a and 11b are restricted.

  Moreover, when the massage part 3 is attached to the housing | casing 4, the rear surface of the attachment board 10b of the massage main-body part 10 will contact | abut to the front surface of the housing | casing 4, and, thereby, the position of the front-back direction of the massage part 3 will be controlled. .

  Further, as best shown in FIG. 3, a part of the inner surface of the storage cylinder 6 is formed with a pair of engaging claw portions 6b and 6c protruding inward, and the split fixed cylinder 13a, A pair of recesses 13c (only one recess 13c is shown in FIG. 3) that engages with the engaging claws 6b, 6c are formed on the outer surface of 13b.

  When the massage part 3 is attached to the housing 4, the massage part 3 is rotated along an axis extending in the front-rear direction so that the recess 13c is not engaged with the engagement claws 6b, 6c. It is moved and stored in the storage cylinder 6. Thereafter, the rear surface of the attachment plate 10b of the massage body 10 is brought into contact with the front surface of the housing 4 so that the position of the massage unit 3 in the front-rear direction is regulated, and then the massage unit 3 is rotated to form the recess 13c. Engaged with the engaging claws 6b and 6c. Thus, the massage unit 3 is attached to the housing 4 in a state where the massage unit 3 is fixed to the storage cylinder 6.

  In addition, as shown in FIG. 4, when the massage part 3 is fixed to the storage cylinder 6, the expansion | extension part 10j of the massage main-body part 10 is located between engagement convex part 4a, 4b, and a division | attachment attaching part The mounting and forming positions of 11a and 11b and the engaging projections 4a and 4b are adjusted. Thereby, even if the expansion-contraction part 10j exists, the movement to the up-down-left-right direction of the division | segmentation attaching parts 11a and 11b is reliably controlled by the engagement convex parts 4a and 4b, and engagement with the housing | casing 4 of the massage part 3 is carried out. It is certain.

<Cover>
3 and 4, the lid portion 5 described above covers the attachment portion 11 of the massage portion 3 after the massage portion 3 is attached to the housing 4, and the attachment plate 10 b ( And the opening 10d) is exposed to the outside. More specifically, a substantially circular opening 5a is formed in the central part of the lid part 5, and the attachment plate 10b of the massage main body part 10 is exposed outwardly from the opening 5a.

  As shown in FIGS. 8 and 9, a permanent magnet 50, which is a second magnetic member, is provided on the upper portion of the front end portion of the outer cylinder 7, while the lid 5 is also provided as shown in FIGS. A magnetic body 51 such as metal as a first magnetic member is provided at a position facing the permanent magnet 50 in a state where the lid 5 is attached to the housing 4. Therefore, as shown in FIGS. 10 and 11, when the lid portion 5 is attached to the housing 4, the lid portion 5 is locked to the front portion of the housing 4 by the magnetic force between the permanent magnet 50 and the magnetic body 51. At the same time, the engagement protrusions 4a, 4b and the lid 5 restrict the movement of the attachment part 11 of the massage part 3 in the front-rear direction.

<Operation and Effect of One Example>
In the ejaculation promotion apparatus 1 of the present embodiment having the above-described configuration, in order to operate the ejaculation promotion apparatus 1, first, the operator opens his / her penis with the massage part 3 attached to the housing 4 in the opening 10d. To be inserted into the hollow portion 10e.

  Next, when the operator operates the power switch 40 to turn on the power of the ejaculation promoting apparatus 1, the control unit supplies driving power to the gear motor 21 so that the gear motor 21 is rotationally driven at a predetermined rotational speed and rotational direction. Let

  When the gear motor 21 is rotationally driven, the toothed pulley 22 fixed to the drive shaft of the gear motor 21 is also rotationally driven in the same manner, and the toothed pulley 24 is rotated via the toothed belt 25 by the rotation of the toothed pulley 22. Is driven to rotate. The rotational force of the toothed pulley 24 is transmitted to the toothed pulley 27 via the drive shaft 23, and the toothed pulley 28 is rotated via the toothed belt 29 by the rotation of the toothed pulley 27.

  As the toothed belt 29 moves in the front-rear direction, the reciprocating part 30 also moves in the front-rear direction, and the storage cylinder 6 fixed to the reciprocating part 30 also moves in the front-rear direction. On the other hand, the counterweight 32 moves with substantially the same stroke in the front-rear direction opposite to the reciprocating portion 30.

  As described above, the storage cylinder 6 is fixed and engaged with the divided fixed cylinders 13a and 13b by engaging the engaging claw portions 6b and 6c with the concave portions 13c of the divided fixed cylinders 13a and 13 respectively. As the storage cylinder 6 moves in the front-rear direction, the divided fixed cylinders 13a, 13b similarly move in the front-rear direction.

  The fixed plate 10c of the massage body 10 is fixed to the fixed tube 13 by inserting a pin (not shown) provided in the fixed tube 13 through a through hole 10h formed in the fixed plate 10c. Due to the movement of the tube 13 in the front-rear direction, the fixed plate 10c of the massage body 10 also moves in the front-rear direction, and the tube portion 10a formed integrally with the fixed plate 10c also moves in the front-rear direction.

  On the other hand, since the attachment part 11 of the massage part 3 and the attachment plate 10b of the massage body part 10 fixed to the massage part 3 are engaged with the front part of the housing | casing 4, even if the gear motor 21 is rotationally driven, The relative positional relationship of does not change. Thereby, only the fixed plate 10 c and the cylinder portion 10 a of the massage main body portion 10 in the massage portion 3 move in the front-rear direction within the housing 4.

  Accordingly, the heel 10g moves along the side of the penis inserted into the hollow portion 10e of the massage main body 10 to stimulate the penis and promote ejaculation.

  The control unit changes the rotation speed and rotation direction of the gear motor 21 based on a predetermined pattern. Thereby, the cylinder part 10a of the massage main-body part 10 is reciprocated in the front-back direction of the housing | casing 4 by a predetermined pattern, and ejaculation is further promoted by giving various stimuli to a penis.

  When ejaculation ends, the operator operates the power switch 40 to turn off the power of the ejaculation promotion apparatus 1. When the power source of the ejaculation promoting device 1 is turned off, the rotational drive of the gear motor 21 is stopped, and the movement of the massage body 10 in the front-rear direction is also stopped.

  Thereafter, the operator removes his / her penis from the hollow portion 10e, removes the massage portion 3 from the housing 4 after separating the lid portion 5 from the housing 4, and further removes the divided fixed cylinders 13a and 13b. The massage body 10 is removed from the fixed cylinder 13.

  Further, when the operator pulls the divided fixed cylinders 13a and 13b in a direction away from each other, the stretchable part 10j of the massage main body 10 between the divided fixed cylinders 13a and 13b is extended. If the rear end portion of the cylindrical portion 10a is pushed forward in this state, the hollow portion 10e can be turned over to expose the inner wall 10f outward from the opening 10d. Then, the operator can wash away the semen stored in the hollow portion 10e and wash the inside of the hollow portion 10e including the inner wall 10f.

  Then, if the inner wall 10f is pushed inward from the opening 10d, the massage main body 10 can be returned to the state shown in FIGS.

  As described above, in the ejaculation promoting apparatus 1 of the present invention, the drive unit D includes the storage cylinder 6 fixed to the massage unit 3 and the reciprocating unit R that reciprocates the storage cylinder 6 along substantially one direction. And a counterweight 32 reciprocated along the direction opposite to the reciprocating motion of the storage cylinder 6 by the reciprocating portion R.

  With the configuration described above, the counterweight 32 acts as a counterweight with respect to the storage cylinder 6, and the vibration caused by the reciprocation of the storage cylinder 6 can be at least weakened and preferably canceled by the reciprocation of the counterweight 32. Thereby, while aiming at the efficient promotion of ejaculation, the smooth and quiet reciprocation of the massage part 3 is realizable.

  In particular, even when the mass of the storage cylinder 6 or the massage part 3 is large, it is preferable to prepare a counterweight 32 having a mass corresponding to the storage cylinder 6 or the like because the massage part 3 can be smoothly and silently reciprocated. . In addition, even when a large stroke of the reciprocating motion of the massage unit 3 is taken in order to promote efficient ejaculation, it is preferable because a smooth and quiet reciprocating motion of the massage unit 3 can be realized.

  Here, since the reciprocating part R reciprocates the storage cylinder 6 and the counterweight 32 by substantially the same stroke, the vibration caused by the reciprocation of the storage cylinder 6 is further weakened and canceled by the reciprocation of the counterweight 32. It can be made to act. Thereby, while aiming at more efficient promotion of ejaculation, the smooth reciprocation of the massage part 3 is realizable.

  Further, the reciprocating portion R is wound around a gear motor 21 that generates rotational driving force, a toothed pulley 27 that is rotationally driven by the gear motor 21, a toothed pulley 28, and the toothed pulley 28. A toothed belt 29 that is rotationally driven by the attached pulley 27, and the storage cylinder 6 and the counterweight 32 are attached to different sides of the toothed belt 29 from the toothed pulley 27 on the sending side and the winding side. Therefore, the counterweight 32 can be reciprocated along the direction opposite to the reciprocating movement of the storage cylinder 6 with a simple configuration.

  Further, since the storage cylinder 6 is formed in an outer cylindrical shape and the counterweight 32 has an arcuate facing portion 32a along the outer periphery of the storage cylinder 6, the drive unit D including the counterweight 32 is reduced in size. be able to.

(Other)
The details of the ejaculation promoting device of the present invention are not limited to the above-described embodiments, and can be appropriately changed without changing the gist of the present invention. As an example, the shape and structure of the apparatus main body, the massage part, the attachment part, and the weight part are not limited to those in each example, and various modifications are possible.

D drive part R reciprocation part 1 ejaculation promotion apparatus 2 apparatus main body 3 massage part 4 housing 6 storage cylinder (attachment part)
21 Gear motor (motor part)
27 Toothed pulley (drive pulley)
28 Toothed pulley (driven pulley)
29 Toothed belt (belt)
32 Counterweight (weight)
32a Opposite part

Claims (4)

An ejaculation promoting device having a massage unit and a drive unit to which the massage unit is attached and at least a part thereof reciprocates along substantially one direction,
The drive unit includes an attachment part fixed to the massage part, a reciprocation part that reciprocates the attachment part along the substantially one direction, and a reciprocation part that is opposite to the reciprocation of the attachment part. An ejaculation promoting device having a weight portion reciprocated along.   The ejaculation promoting device according to claim 1, wherein the reciprocating portion reciprocates the attachment portion and the weight portion by substantially the same stroke. The reciprocating unit is a motor unit that generates a rotational driving force, a driving pulley that is rotationally driven by the motor unit, a driven pulley, and the driving side pulley driven between the driving side and the driven pulley. A belt driven to rotate by a side pulley,
3. The ejaculation promoting device according to claim 1, wherein the attachment portion and the weight portion are attached to different sides of a feeding side and a winding side from the driving pulley of the belt. 4. . The ejaculation promoting apparatus according to any one of claims 1 to 3, wherein the attachment portion is formed in an outer cylindrical shape, and the weight portion has an arcuate facing portion along an outer periphery of the attachment portion.