JPH07108272B2 - A mixing device such as a fragrance - Google Patents

Description

Description: (a) Field of Industrial Application The present invention relates to a shower device in which a liquid fragrance or the like can be mixed into a shower.

(B) Conventional Technology As a conventional shower device in which a fragrance, a medicine, a detergent, etc. can be mixed in a shower, for example, Japanese Patent Laid-Open No. 60-
No. 852 gazette, Japanese Examined Patent Publication No. 46-26548 gazette, and Japanese Utility Model No. Sho 50-1448.
Some are described in Japanese Patent No. 34.

These are those in which a cake-shaped fragrance material is interposed in the flow path of the shower head so that the fragrance can be used while being dissolved in the shower. A chamber is attached, and a drug is mixed into the flow path by making a hole in the partition wall with the flow path.
Further, the detergent chamber attached to the shower head is communicated with the spray portion of the shower, and the detergent is artificially sprayed from the detergent quality to the shower spray portion by the push button operation.

(C) Problems to be Solved by the Invention However, these prior arts have various drawbacks. For example, the one in which a cake-like fragrance is interposed in the flow path of the shower head is Since it is a solid that is exposed to the channel and melted and mixed into the shower channel, the solubility becomes sparse, and there is a possibility that the dissolved concentration of the fragrance may change due to water pressure or shower temperature. Refilling the fragrance is also complicated and has a drawback that the structure of the shower head is complicated. In addition, a drug storage chamber is attached to the flow channel, and a large number of holes are formed in the partition wall between the chamber and the flow channel, so that it is difficult for the perfume to mix into the flow channel, and it can be switched between when the perfume is used and when it is not used. There are drawbacks such as difficulty in performing. Further, a shower head provided with a detergent room or the like and ejecting the detergent or the like together with the shower by a manual operation of a push button or the like increases the head weight due to the structure of the shower head, and the handheld shower head does not have a gripping operation. Hard to do,
Detergents and the like are instantaneously ejected, and in order to eject the detergent continuously, it is difficult to press the push button.

An object of the present invention is to provide a device for mixing a fragrance or the like into a shower that can solve the above problems.

(D) Means for Solving the Problems The present invention relates to a push-button type manual pump device in which a mixed liquid storage tank is communicatively connected to a shower flow path by a perfume supply pipe, and a midway part of the perfume supply pipe. A piston that moves forward and backward in conjunction with the operation of a push button is provided in the cylindrical casing of the manual pump device, and a pump space whose volume is variable is formed by moving the piston forward and backward, and a suction port of the pump space. And the outlet are respectively connected to the mixed liquid storage tank and the shower channel, and piston return means for constantly urging the piston in the return direction is provided in the cylindrical casing, and the retreat speed of the piston is adjusted. The present invention relates to a shower device for mixing in perfume and the like, which is equipped with a piston return speed adjusting means.

According to the present invention, in the shower device for mixing in a fragrance or the like having the above-mentioned configuration, the piston return speed adjusting means is provided with a piston sliding space on the side facing the pump space with the piston separated, and the piston sliding space is provided. The end wall on the space side is provided with a small hole that allows the piston sliding space and the outside atmosphere to communicate with each other, and the piston return speed adjusting means is a cylinder that forms a shower channel inside. A pressure difference generator for producing a pressure difference between the upstream side portion and the downstream side portion is provided inside the cylindrical connection fitting, and the high pressure water outlet provided at the upstream side portion is connected to the pump space with the piston separated. The high pressure water inlet provided in the end wall on the piston sliding space side that forms the opposite side is connected to the high pressure water inlet through a high pressure water supply pipe, and the perfume etc. provided in the downstream portion is provided in the pump space. Flow Has a feature in that constructed by connecting communication by mouth and the second supply pipe.

(E) Action and Effect The present invention has the following effects due to the above configuration.

A mixed liquid storage tank, which is separately provided in the middle of the shower channel, is connected via a manual pump device, and by pressing a push button, a desired amount of fragrance, etc. can be fed into the shower channel from the mixed liquid tank to the liquid fragrance. Etc., and since the piston return speed adjusting means can slow the supply speed from the manual pump device to the shower channel, once the push button is pressed, it takes a long time to supply the fragrance to the shower channel. It is possible to enjoy the effects of perfume and the like for a long time in the shower.

The piston return speed adjusting means is provided with a piston sliding space on the side facing the pump space across the piston, and
It is configured by providing a small hole on the end wall of the piston sliding space side that allows the piston sliding space and the outside atmosphere to communicate with each other, or the inside of a tubular connecting fitting that forms a shower channel inside. Is provided with a differential pressure generator for generating a pressure difference between the upstream side portion and the downstream side portion, and the high pressure water outlet provided in the upstream side portion forms a side facing the pump space with a piston in between. The high pressure water inlet provided on the end wall of the piston sliding space side is connected to and connected to the high pressure water inlet via a high pressure water supply pipe, and the perfume inlet provided in the downstream portion and the second perfume outlet provided in the pump space are connected to each other. In the case where the piston return speed adjusting means is configured to be connected and connected by the supply pipe, the piston return speed adjusting means can be manufactured at low cost.

(F) Embodiments The present invention will be described in detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 is an overall explanatory view showing a usage state of a mixed shower device according to the present invention, in which A indicates a bathroom and B indicates Indicates a bathtub provided in the bathroom A, and C indicates a wall surface of the bathroom.

The bathroom wall surface C is provided with a hot and cold water mixing tap 1, the hot and cold water mixing tap 1 is provided with a hot and cold water tap 2, and the adjusting knobs 3a, 3 are provided.
By b, the temperature of the hot water is adjusted so that appropriate hot water can be discharged. Further, the hot and cold water mixing tap 1 is provided with a shower device M, and the shower water is guided to the shower device M by the switching handle 4. It is configured to be

In FIG. 1 and FIG. 2, in the shower device M, an inverted L-shaped elbow pipe 6 is connected to the shower passage opening 5 of the hot and cold water mixing tap 1 downward through a connector 7, and the elbow pipe 6 is connected. A cylindrical connecting fitting 8 having a perfume inlet 8a in a part of its peripheral wall is connected to the opening at the lower end of the shower hose having a shower head 9a at the lower end thereof. 9 are detachably connected to each other, and these constituent members form a shower channel R therein.

The present invention relates to a push-button type manual pump device for mixing perfume or the like into the shower water flowing in the shower channel R from a perfume or similar storage tank T mounted at a position close to the hot and cold water mixing valve 1 on the bathroom wall surface C. It has 10 features.

Hereinafter, the configuration of the manual pump device 10 will be described with reference to FIGS. 2 and 3.

In FIG. 2, reference numeral 11 denotes a support cylinder body having a mixing space 12 formed therein and a bottom plate 11a thereof fixed to a wall surface C by fixing bolts 11b.

13 is a cylindrical casing whose interior is partitioned by a partition wall 14 and forms a piston sliding space 15 and an operation button moving space 16 on both sides of the partition wall 14, and the end portion of the casing 13 on the piston sliding space side. 13a is fitted and fixed in the support cylinder 11. It should be noted that, although not shown, such fixing is performed with a screw or the like.

A piston 17 is slidably disposed in the piston sliding space 15 via an O-ring 18 and forms a variable volume pump space 19 with the partition wall 14.

The piston 17 has a partition wall 14 at the center of one end face thereof.
The base end of an advancing / retreating rod 21 that advances and retracts in both spaces 15 and 16 through a through hole 20 provided with is integrally provided.

Further, a bottom plate 24a of a push button 24 is fixedly connected to the extension end 21a of the advancing / retreating rod 21 by a washer 22 and a mounting screw 23.

With such a configuration, the piston 17, the forward / backward rod 21, and the push button 24 can integrally move forward / backward in the tubular casing 13.

Further, 25 is a piston return means arranged in the piston sliding space 15 of the tubular casing 13, and in this embodiment, such means makes one end contact the end face of the piston 17 and the other end is tubular. The piston 17 is formed by a spring that abuts against the end wall 13b of the casing 13, and the piston 17 is urged by the piston returning means 25 in the return direction.

Further, a fragrance and the like suction port forming block 30 and a fragrance and the like outlet forming block 31 are integrally projected on the upper and lower peripheral surfaces of the central portion of the tubular casing 13.

The block 30 for forming a suction port for perfume or the like is provided therein with a communication passage 33 that connects the suction port 32 and the pump space 19, and the suction port 32 is connected to the mixing liquid storage tank T by a first communication pipe 34. It is connected in communication with the outlet 35 (see FIG. 1).

With this configuration, when the pump space 19 expands due to the movement of the piston 17 in the advancing direction, the space 19 is in a depressurized state, so that perfume or the like is sucked into the pump space 19 through the first communication pipe 34 and the communication passage 33. be able to.

Further, 36 is a spherical check valve provided in the enlarged diameter portion 33a in the communication passage 33 so as to be movable up and down, and by the check valve 36,
It is possible to prevent the backflow of the perfume or the like from the pump space 19 to the storage space T for storing the perfume or the like. In addition, 37 is a porous strainer mounted in the enlarged diameter portion 33a, and the pump space of the check valve 36.
It is provided to prevent falling to 19.

On the other hand, the block 30 for forming a perfume suction port has a communication passage 41 therein for communicating the outlet 40 with the pump space 19, and the outlet 40 is connected to the shower device M by the second communication pipe 42.
Is connected to the inflow port 8a of the perfume etc.

With such a configuration, when the pump space 19 is contracted by the movement of the piston 17 in the backward direction, the check valve 36 prevents the backflow of the perfume or the like into the mixed liquid storage tank T. Perfume and the like can mix perfume and the like into the shower channel R of the shower device M through the communication passage 41 and the second communication pipe 42.

Further, 43 is a spherical check valve provided movably up and down in the enlarged diameter portion 41a in the communication passage 41, by the check valve 43,
It is possible to prevent backflow of perfume or the like from the shower channel R to the pump space 19. Reference numeral 44 is a porous strainer mounted in the enlarged diameter portion 41a, and is used for showering the flow path R for perfume or the like.
The check valve 43 is provided in order to prevent the communication passage 41 from being closed when the check valve 43 is fed.

Further, the present invention is characterized in that, in addition to the above configuration, a piston return speed adjusting means D for slowing the return speed of the piston 17 is provided.

In this embodiment, the piston return speed adjusting means D is provided with a small hole 50 in the center of the end wall 13b of the cylindrical casing 13 on the piston sliding space side, as shown in FIG. The piston sliding space 15 can be communicated with the outside atmosphere via the.

Therefore, even if the push button 24 is pushed to advance the piston 17 to the maximum advance position, and then the push button 24 is removed, the inflow of the atmosphere into the piston moving space 15 flows only through the small hole 50. The depressurization in the space 15 is released only gradually, so that the piston 17 is gently retracted, and the fragrance and the like in the pump space 19 is gently mixed into the shower channel R with a short time.

In FIG. 2, reference numeral 51 is a flow rate control valve for controlling the flow rate of the perfume or the like passing through the communication passage 41, and the control valve 51 can also adjust the mixing amount and mixing time of the perfume or the like.

Next, a method of mixing the perfume or the like into the shower channel R by the mixing shower device 10 having the above configuration will be described.

First, the hot and cold water mixing tap 1 is switched to the shower operation by the switching handle 4, and then the adjusting knobs 3a and 3b are operated to feed hot water to the shower head 9 through the shower channel R.

When it is desired to mix the fragrance or the like into the shower water, the push button 24 of the manual pump device 10 is sufficiently pushed against the urging force of the piston return means 25, and the piston 17 is advanced. As a result, the volume of the pump space 19 forming the rear part of the piston 17 is increased, and the space inside is depressurized. Due to the depressurization, the perfume in the mixed liquid storage tank T is pumped through the first communicating pipe 34 and the communicating passage 33. It flows into the space 19.

After that, when the push button 24 is released, the piston return means
The urging force of 25 causes the piston 17 to retreat together with the push button 24 to the standby position, and the pump space 19
The volume of is also reduced. However, in the communication passage 33, a check valve
Since 36 is provided, the perfume and the like in the pump space 19 is mixed into the shower channel R through the communication passage 33 and the second communication pipe 42.

Further, in such an operation, since the manual pump device 10 includes the piston retreat speed adjusting means D, the piston 17
The perfume and the like can be continuously mixed little by little from the pump space 19 into the shower channel R by gradually retreating the
You can enjoy perfume for a long time with one push button operation.

FIG. 4 shows another embodiment of the mixing shower device according to the present invention.

In this embodiment, similar to the above-described embodiment (FIGS. 1 and 2), the manual pump device 110 is mounted between the shower channel R and the mixed liquid storage tank T, and the manual pump device 110 is installed. It is configured to be operated by a push button, and constituent members having the same operations as those in the above-described embodiment are designated by the same reference numerals.
Shown by adding 100.

However, the present embodiment is slightly different from the above embodiments in the following points.

That is, in this embodiment, the piston return means 25 is not in the piston sliding space 115 but in the operation button moving space 116.
It is arranged inside.

Further, the piston return speed adjusting means D is
The differential pressure generator 60 is provided inside the tubular connecting fitting 108 that forms the shower channel R, and the upstream side 108a and the downstream side 108b thereof are provided.
A pressure difference (head difference) between the high pressure water outlet 61 provided on the upstream side 108a and the high pressure water inlet 62 provided on the end wall 63 on the piston sliding space side via the high pressure water supply pipe 64. The perfume and the like inflow port 65 provided in the downstream side 108b and the perfume and the like outflow port 66 provided in the pump space 119 are connected by the second supply pipe 67.

Further, with this configuration, when the push button 124 is pushed to slide the piston 117 to the maximum advance position, the pump space 1
Since 19 is connected in communication with the decompression region on the downstream side 108b of the tubular coupling member 108, the decompression of the pump space 119 is promoted, and the perfume or the like is pumped from the storage tank T for storing the perfume with a stronger suction force. Can flow into. Further, when the push button 124 is released thereafter, the upstream side 10 of the tubular connecting fitting 108 is
The water of 8b flows into the piston sliding space 115 through the high-pressure water supply pipe 64 and the high-pressure water inlet 62, increases the volume of the sliding space 115, retracts the piston 117, and the volume of the pump space 119. And the shower water in the shower channel R can be mixed with the fragrance and the like in the pump space 119.

[Brief description of drawings]

FIG. 1 is a perspective view of a bathroom equipped with a mixing shower device according to the present invention, FIG. 2 is an enlarged cross-sectional explanatory view of the mixing shower device, FIG. 3 is a cross-sectional view taken along the line II of FIG. 2, and FIG. FIG. 7 is an enlarged cross-sectional explanatory view of a mixed shower device of another embodiment. In the figure, A: Bathroom B: Bathtub C: Bathroom wall D: Piston return speed adjusting means M: Shower device R: Shower channel T: Mixing liquid storage tank 1: Hot and cold water mixing tap 2: Hot and cold water taps 3a, 3b: Adjustment Knob, 4: Switching handle 5: Shower channel, 6: Elbow pipe 7: Connector 8 …… Cylinder connecting fitting, 8a …… Perfume inlet 9 …… Shower hose, 9a …… Shower head 10 …… Manual pump Device 11 ... Support cylinder, 11a ... Bottom plate 11b ... Fixing bolt 12 ... Fitting space, 12a ... Fixing bolt 13 ... Cylindrical casing, 13a ... End 13b ... End wall 14 ... Partition wall, 15 …… Piston sliding space 16 …… Operating button moving space 17 …… Piston, 18 …… O-ring 19 …… Pump space, 20 …… Through hole 21 …… Advancing and retracting rod, 21a …… Extension end 22 …… Washer , 23 ...... Mounting screw 24 ...... Push button, 24a ...... Bottom plate 25 ...... Piston returning means 30 ...... Scenting port forming block 31 ...... Incense Block for forming uniform flow outlet 32 …… Suction port, 33 …… Communication passage 33a …… Enlarged diameter part 34 …… First communication pipe, 35 …… Outlet port 36 …… Check valve 37 …… Strainer 40 …… Flow Outlet, 41 …… Communication passage 41a …… Enlarged diameter part, 42 …… Second communication tube 43 …… Check valve, 44 …… Strainer 50 …… Small hole, 51 …… Control valve 60 …… Differential pressure generator 61 …… High pressure water inlet, 62 …… High pressure water inlet 63 …… End wall, 64 …… High pressure water supply pipe 65 …… Perfume etc. inlet, 66 …… Perfume etc. outlet 108a …… Upstream side, 108b …… Downstream side 110 ... Manual pump device

Claims (3)

[Claims] 1. A mixed liquid storage tank (T) is communicatively connected to a shower channel (R) by supply pipes (34), (42), (134), (67) for perfume, etc. 34), (42),
Push button type manual pump devices (10) and (110) are installed in the middle of (134) and (67).
The pistons (17) and (117) that move forward and backward in conjunction with the operation of the push buttons (24) and (124) are provided in the cylindrical casings (13) and (113) of the (0) and (110). The pump spaces (19) and (119) whose volume is variable are formed by advancing and retracting the (17) and (117).
9), (119) suction ports (32), (132) and outlet (4
0) and (140) are respectively connected to the mixed liquid storage tank (T) and the shower channel (R), and the pistons (17) and (117) are provided in the cylindrical casings (13) and (113). ) Is always provided in the return direction, piston return means (25), (125) are provided, and piston return speed adjusting means (D) for adjusting the backward speed of the pistons (17), (117) is further provided. Shower device mixed with fragrances, etc. 2. A piston slide space (15) is provided on the side of the piston return speed adjusting means (D) facing the pump space (19) across the piston (17), and the piston slide space ( On the end wall (13b) on the 15) side, the piston sliding space (1
The shower device for mixing perfume or the like according to claim 1, characterized in that the shower device is provided with a small hole (50) that allows communication between 5) and the outside atmosphere. 3. A cylindrical connecting fitting (108) for forming a shower passage (R) inside a piston return speed adjusting means (D).
A high pressure water outlet provided in the upstream part (108a) and a differential pressure generator (60) that creates a pressure difference between the upstream part (108a) and the downstream part (108b) (61)
Is an end wall (63) on the side of the piston sliding space (115) that faces the pump space (119) across the piston (117).
Is connected to the high pressure water inlet (62) provided in the via a high pressure water supply pipe (64), and the perfume inlet (65) provided in the downstream portion (108b) is provided in the pump space (119). The shower device for mixing perfume and the like according to claim 1, characterized in that the perfume and the like outlet (66) and the second supply pipe (67) are connected and connected.