JP6195700B2 - Cooler - Google Patents

Description

  The present invention relates to a cooler equipped with a cooling head having a metal cooling part cooled by a liquefied gas contained in an aerosol container, and a body cooling method using the same.

  Conventionally, in order to relieve tension and care for skin beauty, it is common practice to cool the face and body surface. Also, cooling treatment is often performed in order to eliminate hot flashes and muscle pain after exercise. In recent years, there have been an increasing number of scenes where the body is locally cooled in daily life in order to eliminate the discomfort caused by summer heat and to prevent heat stroke.

Various cooling products for locally cooling the body have been developed and are actually sold.
For example, a handy type cooling device including a metal plate cooled by a cold storage agent or electric power is used, and these are used by applying the cooled metal plate to a target part.
Also known is a spray formulation in which the content is sprayed from the aerosol container filled with the content containing the liquefied gas and the coolant to the target site of the body, and the body is cooled by the latent heat of vaporization accompanying the volatilization of the content. (For example, patent documents 1-2).

Japanese Patent Laid-Open No. 7-250859 JP 2003-193043 A

However, the existing cooling equipment provided with the above-mentioned metal plate does not necessarily require the user because pre-cooling of the regenerator is necessary before use, sufficient cooling sensation is not obtained, portability is inferior, and inexpensive. It does not give a sense of satisfaction.
In addition, the spray formulation described above has a problem that the contents of the aerosol container are directly sprayed on the body, so that the skin and clothes get wet and become sticky or dirty. In addition, it is difficult to say that the safety of the ejected contents is scattered and sucked.

  The present invention has been made in view of the above problems, and has an object of providing a safe body cooler that has excellent portability, a satisfactory cooling feeling with a simple operation, high usability, and the like. To do.

As a result of diligent research, the inventors of the present invention cooled the metal cooling part by injecting the liquefied gas contained in the aerosol container, and used the cooling part in contact with the target part. Completed the invention related to the container.
That is, the present invention is as follows.

The first aspect of the present invention is a cooling head attached to an aerosol container. In particular,
(1) A cooling head mounted on an aerosol container,
A metal cooling section;
A pedestal part that is formed integrally with the cooling part or fitted and mounted by the cooling part;
A cooling head comprising: a stem mounting portion formed integrally with the pedestal portion or mounted on a stem of the aerosol container to which the pedestal portion is fitted and mounted.
(2) Moreover, in the cooling head of the present invention, it is preferable that the cooling part and the pedestal part form a storage part for temporarily storing the contents ejected from the aerosol container.
(3) Moreover, it is preferable that the said base part in the head for cooling of this invention is equipped with 1 or several ventilation hole.
(4) Moreover, it is preferable that the cooling head of this invention is further equipped with the liquefied gas holding member in the said storage part.
(5) Moreover, it is preferable that the cooling head of the present invention further includes a cover member that covers the outside of the pedestal portion, and the cover member has an inwardly bent portion in the vicinity of the upper end thereof.

The second aspect of the present invention is a cooler. In particular,
(6) A cooler in which the cooling head of the present invention is mounted on an aerosol container filled with contents.
(7) Moreover, it is preferable that the said content in the cooler of this invention is liquefied gas 100 mass%.

A third aspect of the present invention is a body cooling method. In particular,
(8) A body cooling method using a cooler,
The cooler is mounted on a aerosol head filled with a liquefied gas with a cooling head having a metal cooling part,
After cooling the said cooling part by injecting the said liquefied gas, this cooling part is made to contact an object site | part, It is a cooling method of the body characterized by the above-mentioned.

  According to the present invention, the cooling head is pressed to spray the liquefied gas in the aerosol container, and the cooling part is cooled by the latent heat of vaporization accompanying the volatilization of the liquefied gas. Sometimes you can cool your body right away. In addition, since the liquefied gas injected from the aerosol container does not touch the skin and clothes directly, there is no discomfort, and the liquefied gas does not scatter or suck in, so it is also excellent in safety. ing. Moreover, since pre-cooling, charging, etc. are unnecessary, it is excellent in portability. Further, by adjusting the injection time, the cooling temperature can be appropriately adjusted according to the use and preference, so that a satisfactory feeling of use can be obtained.

It is a front view of one embodiment of the cooling head of the present invention. FIG. 2 is a top view of FIG. 1. FIG. 2 is a cross-sectional view taken along line A-A ′ of FIG. 1. It is a front view of one embodiment of a cooler of the present invention. FIG. 5 is a top view of FIG. 4. FIG. 5 is a sectional view taken along line B-B ′ of FIG. 4. It is a top view of the base part of one Embodiment of the head for cooling of this invention. It is sectional drawing of one Embodiment of the cooler of this invention. It is an enlarged view of the C section of FIG. It is a graph showing the time-dependent change of the temperature of the cooling part in Test example 2-1. It is a graph showing the time-dependent change of the temperature of the cooling part in Experiment 2-2.

Hereinafter, although one Embodiment of this invention is described in detail based on FIGS. 1-9, this invention is not limited to these.
As shown in FIGS. 1 to 3, the cooling head 1 of the present embodiment includes a cooling unit 2, a pedestal unit 3, and a stem mounting unit 4. As shown in FIGS. 4 to 6, the cooling head 1 is mounted on an aerosol container 9 filled with a liquefied gas to constitute a cooler 12.

The cooling unit 2 is made of metal, and is preferably made of aluminum or stainless steel from the viewpoint of heat conduction efficiency.
As shown in FIG. 3, the pedestal portion 3 has a configuration in which the cooling portion 2 is fitted to the pedestal portion 3 or is formed integrally with the cooling portion 2. When the cooling unit 2 is fitted to the pedestal 3, the liquefied gas ejected from the aerosol container is prevented from leaking from the gap of the fitting site, and a buffer member such as an O-ring is sandwiched between the fitting sites. But you can. In that case, you may provide the recessed part 11 for installing such a buffer member in the fitting site | part of the base part 3. FIG.
As will be described later, the cooling unit 2 is a part that is brought into contact with the target site when the body is cooled. Therefore, when the cooling efficiency is desired to be increased, the contact area may be increased. Further, it is usually provided on the upper surface and side surfaces of the cooling head, and the shape of the upper surface portion may be circular or rectangular, but is preferably the same as the shape of the aerosol container.

The stem mounting portion 4 is formed integrally with the pedestal portion 3, or the stem mounting portion 4 is fitted and mounted on the pedestal portion 3, and can be mounted on the stem of the aerosol container 9. Therefore, the cooling portion 2 and the pedestal portion 3 are attached to the stem of the aerosol container by the stem attachment portion 4, and when the cooling head 1 is pressed, the stem of the aerosol container 9 is lowered via the stem attachment portion 4. The liquefied gas in the aerosol container 9 is jetted from. The air near the cooling unit 2 and the cooling unit 2 are cooled by the latent heat of vaporization accompanying the volatilization of the ejected liquefied gas.
Although the material of the base part 3 and the stem mounting part 4 is not particularly limited, a resin such as polypropylene that is lightweight and has good durability is preferably exemplified.

The cooling head 1 of the present invention preferably has a space (reservoir 5) in which the liquefied gas ejected from the aerosol container 9 and the cooled air are temporarily stored by the cooling unit 2 and the pedestal 3. It is formed. Thereby, the rapid leakage of the liquefied gas from the cooling head 1 can be prevented. In addition, although the magnitude | size (volume) of the storage part 5 can be suitably designed according to a use application, 15-23 mL is preferable and 17-21 mL is more preferable from a portable viewpoint.
The storage unit 5 is a space closed by the cooling unit 2 and the pedestal unit 3, but is not sealed and is provided with a vent hole 6 in the pedestal unit 3 that allows the vaporized liquefied gas to pass therethrough. This is to prevent the cooling head 1 from being detached from the aerosol container 9 due to the expansion of the vaporized liquefied gas or to quickly vaporize the liquefied gas. The position where the air holes 6 are provided is not particularly limited. For example, FIG. 7 shows an embodiment in which four air holes 6 are provided on the bottom surface of the pedestal portion. The size and number of the air holes 6 can be arbitrarily set. However, if the air holes 6 are too small or too few, the cooling head 1 is detached from the aerosol container 9 and it takes time to cool the cooling unit 2. In addition, if the size is too large or too large, leakage of liquefied gas from the cooling head 1 occurs, so care must be taken during design.

Moreover, it is preferable that the storage unit 5 includes a liquefied gas holding member. As a result, the liquefied gas stored in the storage unit 5 is prevented from leaking with time, and the cooling state of the cooling unit 2 is maintained for a long time. The liquefied gas holding member is preferably provided so as to occupy 80 to 95% of the volume of the reservoir 5.
The form of the liquefied gas holding member is not particularly limited, such as fibers, sponges, flakes and the like, but a sponge shape is preferable from the viewpoint of ease of processing and manufacturing.
The material of the liquefied gas holding member is not particularly limited, but cellulose is particularly preferable from the viewpoint of safely holding the liquefied gas efficiently.

Moreover, as shown in FIG. 8, the cooling head 1 preferably further includes a cover member 7 that covers the outer surface of the pedestal portion 3. As shown in FIG. 9, the cover member 7 preferably has an inwardly bent portion 8 in the vicinity of the upper end thereof. Thereby, when the cooler 12 is used in a state of being overturned or inverted, leakage of the liquefied gas ejected from the aerosol container 9 can be prevented in a double manner.

  Further, as shown in FIG. 8, the cooling head 1 may further include a cap member 10 that is fitted and attached to the cover member 7 and can be attached and detached. By providing the cap member 10, it is possible to prevent the liquefied gas from being ejected from the aerosol container 9 by pressing the cooling head 1 when not intended, such as when being carried. When the cooling head 1 is not provided with the cover member 7, the cap member 10 can be fitted and attached to the aerosol container 9.

The contents filled in the aerosol container 9 of the present invention contain a liquefied gas. The content of the liquefied gas is preferably 5 to 100% by mass, more preferably 90 to 100% by mass, and particularly preferably 100% by mass with respect to the entire content from the viewpoint of ensuring the cooling effect. When only the liquefied gas (100% by mass) is filled and the other components (additives such as alcohol and fragrance) are not filled, the filling operation into the aerosol container 9 is easy, and the manufacturing cost is low. Become. Furthermore, if it is only liquefied gas, the cooling part 2 can be rapidly cooled to low temperature.
In the present invention, the liquefied gas is, for example, liquefied petroleum gas (LPG); butane, isobutane, propane, isopentane, etc., dimethyl ether (DME), 1,1,1,2-tetrafluoroethane, 1,1-difluoroethane. One or two or more of trans-1,3,3,3-tetrafluoropropene can be arbitrarily applied. In addition, compressed gas such as carbon dioxide, oxygen, and nitrogen can be mixed with the liquefied gas to make the contents.

As the aerosol container 9, a commonly used aerosol container can be used, and the capacity, the injection valve diameter, and the like of any size can be applied. For example, the number of injections can be increased using a large capacity, and portability can be improved using a small capacity. Moreover, if the injection port diameter is increased, the cooling unit 2 can be immediately cooled.
In addition, the injection valve can be upright, upside down, or upside down. From the viewpoint of safety and economy, the upright type can be used, or the upside down type that can be injected even if it is reversed. It is good.

Next, a body cooling method using the cooler of the present embodiment will be described.
As described above, when the cooling head of this embodiment is pressed, the stem of the aerosol container 9 descends via the stem mounting portion 4 and the liquefied gas in the aerosol container 9 is jetted from the nozzle, and the liquefied gas The cooling unit 2 is cooled by the latent heat of vaporization accompanying the volatilization of. The cooling unit 2 is immediately and sufficiently cooled in an injection time of about several seconds (used at 28 ° C. and about 5 to 20 ° C.). Moreover, if it injects longer (about 5 second or more), the cooling state of the cooling part 2 will continue for several minutes to several tens of minutes even after completion | finish of injection. The body can be easily cooled by bringing it into contact with the region to be cooled directly or via a patch.
The part to be used is not particularly limited, such as a neck, a shoulder, a face, a leg, and a waist, and can be arbitrarily applied according to the purpose of use. The purpose of use includes various things such as elimination of discomfort caused by summer heat, measures against heat stroke, relaxation of tension, skin care for beauty, and elimination of hot flashes and muscle pain after exercise.

The cooler of the present invention is easy to operate as described above, and can immediately cool the body when it is desired to use it. In addition, since the liquefied gas injected from the aerosol container does not directly touch the skin and clothes, there is no discomfort, and the liquefied gas does not scatter or suck in, so it is excellent in safety. . Moreover, since pre-cooling, charging, etc. are unnecessary like the existing cooling device mentioned above, it is excellent also in portability. Further, by adjusting the injection time during use, the cooling temperature can be appropriately adjusted according to the application and preference, so that a satisfactory feeling of use can be obtained.

  Note that the cooling head and the cooler of the present invention are not limited to the above-described embodiments, and can be appropriately modified and improved. In addition, the material, shape, dimension, numerical value, form, number, location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

<Test Example 1>
Using sponges of various materials as liquefied gas holding members, their liquefied gas holding ability was compared.
The cooling head of the present invention in which a cylindrical storage part having a diameter of 31 mm and a height of 25 mm was formed by an aluminum cooling part and a pedestal part was mounted on an aerosol container having an injection valve diameter of 0.4 mm filled only with LPG. . Each material shown in Table 1 was formed into a cylindrical shape having a diameter of 30 mm and a height of 25 mm in the reservoir. LPG was continuously jetted from the aerosol container in an upright state, the time until LPG leaked out of the pedestal was measured, and the average of three measurements was calculated. The results are shown in Table 1.
As is clear from Table 1, cellulose required a longer time for liquid leakage than other materials, and was a safe and efficient material.

The cooling effect by the presence or absence of an additive was compared for the contents filled in the aerosol container. <Test Example 2-1>
The present invention comprises a cellulose sponge (liquefied gas holding member) formed into a cylindrical shape having a diameter of 38 mm and a height of 14 mm in a cylindrical storage portion having a diameter of 38 mm and a height of 15 mm by an aluminum cooling portion and a pedestal portion. The cooling head was attached to an aerosol container having a jet valve diameter of 0.4 mm. As the contents of the aerosol container, LPG alone or LPG 95 mass% + ethanol 4.75 mass% + propylene glycol 0.25 mass% was used. This cooler is jetted upright at room temperature (27 ° C.) for 2 seconds, and after spraying, it is allowed to stand without touching the cooling part, and the surface temperature of the cooling part is measured by an A & D infrared radiation thermometer (manufactured by A & D Co., Ltd.) ) Was used to measure over time. The measured temperature of the cooling part is shown in FIG.

<Test Example 2-2>
Except that an aerosol container having an injection valve with a diameter of 0.5 mm was used, Test Example 2-
The same test as 1 was conducted. The measured temperature of the cooling part is shown in FIG.

  From Test Examples 2-1 and 2-2, it was shown that the contents containing only LPG without containing the additive had a lower surface temperature of the cooling part and maintained its cooling state for a long time. . It was also shown that the surface temperature of the cooling part can be maintained at a lower temperature when the diameter of the injection valve is larger.

1: Cooling head 2: Cooling unit 3: Pedestal unit 4: Stem mounting unit 5: Storage unit 6: Vent 7: Cover member 8: Warping unit 9: Aerosol container 10: Cap member 11: Recess 12: Cooler

Claims (6)

A cooling head mounted on an aerosol container,
A metal cooling section provided on the upper and side surfaces of the cooling head;
A pedestal part that is formed integrally with the cooling part or fitted and mounted by the cooling part;
A stem mounting portion that is formed integrally with the pedestal portion or is mounted on a stem of the aerosol container to which the pedestal portion is fitted and mounted;
A cover member covering the outside of the pedestal part ,
The cooling head according to claim 1, wherein the cover member has an inwardly bent portion near an upper end thereof, and is used for cooling the body.   The cooling head according to claim 1, wherein the pedestal portion includes one or a plurality of air holes.   The cooling head according to claim 1 or 2, wherein a storage part in which contents ejected from the aerosol container are temporarily stored is formed by the cooling part and the pedestal part.   The cooling head according to claim 3, further comprising a liquefied gas holding member in the storage section. The cooler by which the cooling head as described in any one of Claims 1-4 was mounted | worn with the aerosol container with which the content was filled. The cooler according to claim 5, wherein the content is 100% by mass of liquefied gas.

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