CN113306890B - Trigger type aerosol device and aerosol cap - Google Patents

Abstract

A trigger type aerosol device and an aerosol cap, the aerosol cap of the trigger type aerosol device of the invention is provided with a nozzle (21), a rod (30) and a cap body (40), the nozzle (21) is provided with a spraying hole for spraying fluid in an aerosol container, the rod (30) and the nozzle (21) are integrated or clamped with the nozzle, the cap body (40) covers the nozzle (21) and the rod (30), the cap body (40) is provided with a blade part (50) protruding from at least the side surface part of the cap body, and the weight of the aerosol device with large capacity can be supported only by holding the trigger part of the aerosol cap with one hand.

Description

Trigger aerosol device and aerosol cap

This application is a branch of an invention patent application whose title is "trigger-type aerosol device and aerosol cap", the international application date is April 27, 2017, the international application number is PCT/JP2017/016758, and the national application number is 201780041006.5. case application.

technical field

The present invention relates to trigger aerosol devices, and more particularly to aerosol caps for large volume trigger aerosol containers.

Background technique

In the conventional trigger aerosol device, when the aerosol cap is assembled on a relatively small-capacity aerosol container, the user can fully support the aerosol by only holding the trigger part of the aerosol cap with one hand. The weight of the device. However, when the conventional aerosol cap is used on a relatively large-capacity aerosol container, only holding the trigger part of the aerosol cap with one hand cannot fully support the weight of the aerosol device, and there is a triggering operation. become difficult for such a problem.

In addition, whether it is a relatively small-capacity aerosol main body or a relatively large-capacity aerosol main body, in the case of spraying for a long time, in order to operate it with one hand, it is necessary to hold the tank for a long time, and there is a problem that the operation of the trigger becomes difficult. question.

In addition, in the case of children, women, the elderly, etc. who do not have the grip strength to support the weight of the aerosol device, it is necessary to support the aerosol device with the other hand. When using the aerosol container, there is a situation where both hands are occupied. the inconvenience.

For example, in the case of the aerosol sprayer described in Patent Document 1, the user needs to place the index finger on the trigger part, and grasp the surrounding wall of the mask and the upper part of the aerosol can with other fingers and palms to support the weight of the aerosol device. When the trigger operation is performed, if the index finger is separated, the burden of supporting the weight of the aerosol device by other fingers and palms increases. Therefore, it becomes difficult to support the weight of a large-capacity aerosol can with only one hand, and it becomes difficult to spray for a long time. The cap part of the aerosol sprayer described in Patent Document 1 is not suitable for supporting a large-capacity can. The weight of the aerosol device and the ability to spray for a long period of time.

prior art literature

patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2001-158484

Patent Document 2: Japanese Patent Laid-Open No. 2006-130415

Patent Document 3: Japanese Patent Laid-Open No. 2001-149826

Contents of the invention

The problem to be solved by the invention

In order to solve such problems, in the trigger ejector described in Patent Document 2, a hand for holding the handle is provided on the lower surface of the plate-shaped portion protruding rearward from the lower lower surface of the rear part of the mounting cap. The upper face of the cap is fastened to the fastening surface on the assembly cap. But, because this plate-shaped part is only arranged on the rear part on the assembly cap, the area that the upper surface of the hand is locked is small, so the weight of the container body is mainly supported by the grip force of the grip part. That is, the plate-like portion can serve as an anti-slip member for the hand, but is not suitable for supporting the weight of a large-capacity aerosol device or spraying for a long period of time.

In addition, in the trigger type liquid ejector of Patent Document 3, the lower end portion and the rear portion of the main body cover are made into a shape that bulges out, but the main body cover is only covered on the upper part of the ejector main body, which is not suitable for Supports the weight of a large volume aerosol device. In addition, even if the trigger is held as if the back of the hand is hooked on the bulging part of the main body cover of Patent Document 3, the lower end of the main body cover and the back of the hand are in contact with the back of the hand through the line, so the lower end is also caught in the back of the hand, which is not suitable for support. The weight of a large volume aerosol container.

As described above, the aerosol cap used in the conventional trigger-type aerosol device has a problem that it is not suitable for the trigger operation while supporting the weight of the large-capacity aerosol device.

Therefore, the present invention provides an aerosol cap that solves the above-mentioned problems and an aerosol device having the aerosol cap. Even when the aerosol cap is mounted on a large-capacity aerosol container, The weight of the bulk aerosol device is supported by only one hand holding the trigger portion of the aerosol cap.

means to solve the problem

In order to solve the above-mentioned problems, in the present invention, there is provided an aerosol cap having a protruding blade portion on at least a side surface of the aerosol cap.

In a first aspect of the present invention, an aerosol cap is provided. The aerosol cap is an aerosol cap of a trigger type aerosol device, wherein a nozzle, a rod, and a cap body are provided, and the nozzle has an aerosol container. The ejection hole for ejecting the fluid inside, the rod and the nozzle are integrated or engaged with the nozzle, the cap body covers the nozzle and the rod, and the cap body has at least The blade part protruding from the side part. The cap body preferably has blades protruding from the side surfaces of the cap body and the rear of the cap body, but the blades may not protrude from the rear of the cap body but only protrude from the side surfaces of the cap body.

In the aerosol cap according to the first aspect of the present invention, the blade portion further has a portion protruding from a rear portion of the cap main body.

In the aerosol cap according to the first aspect of the present invention, the blade portion forms a curved surface.

In the aerosol cap according to the first aspect of the present invention, the blade portion forms a curved surface, and a portion protruding from the side surface and a portion protruding from the rear portion of the blade portion are integrally formed on the same curved surface. superior.

In addition, in the aerosol cap according to the first aspect of the present invention, typically, the curved surface of the blade part has a lowest point, and the lowest point is provided behind the center of gravity of the aerosol device.

In addition, in the aerosol cap according to the first aspect of the present invention, typically, the lowermost point of the vane portion is provided lower than the center point of the discharge hole of the nozzle and lower than the center point of the nozzle. The position of the lower end of the rod is high.

In addition, in the aerosol cap according to the first aspect of the present invention, the cap body may further include a raised portion protruding from the side surface of the cap body.

In addition, in the aerosol cap according to the first aspect of the present invention, a plate-shaped member may be further provided below the discharge hole of the nozzle.

In addition, in the aerosol cap according to the first aspect of the present invention, the plate-like member may have side walls extending substantially vertically upward from both end portions of the plate-like member, and the side walls may be separated from the side walls. The plate-shaped part is integral or mounted on said plate-shaped part.

In addition, in the aerosol cap according to the first aspect of the present invention, a mis-ejection preventing member is further provided, and the mis-ejection preventing member is connected to the nozzle. The mis-ejection preventing member may be connected to the nozzle at one location or may be connected at multiple locations.

In addition, there is provided a trigger-type aerosol device, which is the trigger-type aerosol device in the first aspect of the present invention, comprising an aerosol cap having at least any of the above-mentioned features and an aerosol container containing a fluid .

Here, in the present invention, an "aerosol device" includes an aerosol container and an aerosol cap. The "aerosol container" is a container that can store medicines, and typically refers to a metal container such as a can, but may be a resin container such as a plastic container. The "aerosol cap" refers to the entire cap attached to the upper part of the aerosol container, and the "cap main body" refers to the part of the entire cap except for the nozzle and the stem. The "cap body" includes the blade portion.

A relatively small-capacity aerosol container refers to an aerosol container that can accommodate, for example, a liquid of 200 ml or less, and a relatively large-capacity aerosol container refers to an aerosol container that can accommodate, for example, a liquid exceeding 300 ml. In addition, the position of the center point of the discharge hole of the nozzle refers to the position of the center point of the discharge hole when the mis-spray prevention member is removed and the aerosol cap and the shaft are engaged, unless otherwise specified.

In addition, in this specification, "upper" in the case of indicating a direction or a position, unless otherwise defined, refers to the direction of the axis of the aerosol container when the aerosol cap is assembled on the aerosol container. side of the aerosol cap. In this specification, "under" in the case of indicating direction or position, as long as there is no other definition, refers to the direction of the axis of the aerosol container when the aerosol cap is assembled on the aerosol container. The side opposite to the side with the aerosol cap.

In this specification, "high" in the case of indicating a position, as long as there is no other definition, means that when the aerosol cap is assembled on the aerosol container, it starts from the bottom surface of the aerosol container without the cap The axis direction distance is large. In this specification, "low" in the case of indicating the position, as long as there is no other definition, means that when the aerosol cap is assembled on the aerosol container, it starts from the bottom surface of the aerosol container without the cap The axis direction distance is small.

In this specification, "front", unless otherwise defined, refers to the side of the aerosol cap having the discharge port, and "rear" refers to the side of the aerosol cap opposite to the side having the discharge port. In this specification, "side" refers to the side when the aerosol cap is viewed from the side having the discharge port, unless otherwise defined.

The effect of the invention

According to the present invention, even when mounted on an aerosol device having a large-capacity aerosol container, the weight of the large-capacity aerosol device can be supported only by holding the trigger portion of the aerosol cap with one hand.

Other objects, features, and advantages of the present invention will be apparent from the description of the following embodiments of the present invention with reference to the accompanying drawings.

Description of drawings

Fig. 1A is a perspective view showing an aerosol cap according to a first embodiment of the present invention.

Fig. 1B is a perspective view showing an aerosol cap according to the first embodiment of the present invention.

Fig. 1C is a perspective view showing another example of the aerosol cap according to the first embodiment of the present invention.

Fig. 1D is a perspective view showing another example of the aerosol cap according to the first embodiment of the present invention.

Fig. 2A is a right side view of the aerosol cap according to the first embodiment of the present invention.

Fig. 2B is a left side view of the aerosol cap according to the first embodiment of the present invention.

Fig. 3A is a front view of the aerosol cap according to the first embodiment of the present invention.

Fig. 3B is a rear view of the aerosol cap according to the first embodiment of the present invention.

Fig. 4A is a sectional view taken along line IV-IV of Fig. 3A.

4B is a cross-sectional view taken along line IV-IV of FIG. 3A with the mis-ejection preventing member removed.

Fig. 5A is a top view of the aerosol cap according to the first embodiment of the present invention.

Fig. 5B is a bottom view of the aerosol cap according to the first embodiment of the present invention.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 5A .

Fig. 7 is a diagram showing an example of use of an aerosol device in which the aerosol cap according to the first embodiment of the present invention is attached to an aerosol container.

Fig. 8A is a perspective view showing an aerosol cap according to a second embodiment of the present invention.

Fig. 8B is a perspective view showing an aerosol cap according to a second embodiment of the present invention.

Fig. 8C is a perspective view showing another example of the aerosol cap according to the second embodiment of the present invention.

Fig. 8D is a perspective view showing another example of the aerosol cap according to the second embodiment of the present invention.

Fig. 9A is a right side view of an aerosol cap according to a second embodiment of the present invention.

Fig. 9B is a left side view of the aerosol cap according to the second embodiment of the present invention.

Fig. 10A is a front view of an aerosol cap according to a second embodiment of the present invention.

Fig. 10B is a rear view of an aerosol cap according to a second embodiment of the present invention.

FIG. 11A is a cross-sectional view taken along line XI-XI in FIG. 10A .

11B is a cross-sectional view taken along line XI-XI in FIG. 10A when the mis-ejection preventing member is removed.

Fig. 12A is a top view of an aerosol cap according to a second embodiment of the present invention.

Fig. 12B is a bottom view of the aerosol cap according to the second embodiment of the present invention.

Fig. 13 is a cross-sectional view taken along line XIII-XIII in Fig. 12A.

Fig. 14 is a diagram showing a usage example of an aerosol device in which an aerosol cap according to a second embodiment of the present invention is attached to an aerosol container.

detailed description

Preferred Mode for Carrying Out the Invention

Example 1

1A and 1B are perspective views showing an aerosol cap 1 according to Example 1 of the present invention. The aerosol cap 1 based on the present invention is equipped with a nozzle 21, a rod 30 and a cap main body 40, the nozzle 21 has a spray hole 20 for ejecting the fluid in the aerosol container, and the rod 30 is integral with the nozzle 21 or integrated with the nozzle 21. The nozzle 21 is engaged, the cap body 40 covers the nozzle 21 and the rod 30 , and the cap body 40 has a blade portion 50 protruding from at least the side portion 41 of the cap body 40 . The cap body 40 preferably has a blade portion 50 protruding from the side portion 41 of the cap body 40 and the rear portion 42 of the cap body 40 as shown in FIGS. 1A and 1B . However, the blade portion 50 may protrude only from the side portion 41 of the cap body 40 without protruding from the rear portion 42 of the cap body 40 .

In addition, a mis-ejection preventing member 24 for preventing mis-ejection is provided on the cap main body 40 . When the erroneous injection prevention member 24 is detached from the cap main body 40, injection becomes possible. The mis-injection prevention member 24 is connected to the nozzle 21 . The mis-injection prevention member 24 is preferably connected to the nozzle 21 at one location, but is not limited thereto, and may be connected at multiple locations.

In addition, the cap main body 40 has a raised portion 70 protruding from the side surface portion 41 of the cap main body 40 . The raised portion 70 does not protrude from the rear portion 42 of the cap main body 40 unlike the blade portion 50 . The raised portion 70 is provided at a lower position than the blade portion 50 . Typically, it is provided at the bottom of the cap body 40 , but is not limited thereto, and may protrude from any position on the side surface 41 of the cap body 40 as long as it is below the blade portion 50 . The raised portion 70 is provided at a distance from the blade portion 50 so that a user can hold between the raised portion 70 and the blade portion 50 with fingers. By forming the recesses by the blade portion 50 and the raised portion 70 of the cap body 40 , it is also expected that the user's sense of stability and usability when holding the cap body 40 are improved.

The aerosol cap 1 , as shown in the usage example of FIG. 7 , is mounted on the upper part of the aerosol container 2 containing fluid medicine, and constitutes the aerosol device 10 . The user holds the aerosol cap 1 with his hand and puts his index finger on the rod 30 to hold it, whereby the medicine contained in the aerosol container 2 is sprayed from the spray hole 20 of the nozzle 21 .

When the user holds the aerosol cap 1 by putting the index finger on the rod 30 , the lower surface of the blade portion 50 contacts the top side of the index finger and thumb or the back of the hand at the base of the index finger and thumb.

The effect on the above and the function of preventing the medicine from dripping from the spray hole 20 after the medicine is sprayed from the spray hole 20.

The plate-like member 60 may have side walls 60 a , 60 b extending substantially vertically upward from both end portions of the plate-like member 60 . The side walls 60a and 60b may be integrated with the plate member 60 or attached to the plate member 60 . The height of the side walls 60a and 60b may be lower than the discharge hole 20 of the nozzle 21 as shown in FIGS. gradually become higher. In another example, the height of the side walls 60a and 60b may extend to a position higher than the upper part of the nozzle 21 as shown in FIGS. 1C and 1D .

As shown in FIG. 1C and FIG. 1D, by extending the height of the side walls 60a, 60b to a position higher than the upper part of the nozzle 21, when the mis-ejection preventing member 24 is cut off at the beginning of use, the side walls 60a, 60b The upper part is in contact with the cap body 40 and can prevent the nozzle 21 from directly contacting the cap body 40 . According to this configuration, since deformation of the cap main body 40 can be prevented even when the thickness of the cap main body 40 is made thin, the thickness of the cap main body 40 can be made thinner than before.

In addition, in the following Fig. 2A to Fig. 7, the case where the side walls 60a, 60b of the plate-shaped member 60 are in the shape shown in Fig. 1A and Fig. 1B is described as an example. Shapes other than the side walls 60a, 60b and the following description of FIGS. 2A to 7 are similarly applied when the side walls 60a, 60b of the plate member 60 have the shapes shown in FIGS. 1C and 1D.

Fig. 2A is a right side view of the aerosol cap 1 according to the first embodiment of the present invention, and Fig. 2B is a left side view of the aerosol cap 1 according to the first embodiment of the present invention. Here, the end point of the blade portion 50 on the side of the discharge hole 20 is referred to as the front end point 51 , and the end point of the blade portion 50 on the opposite side to the discharge hole 20 is referred to as the rear end point 53 . Typically, the front end point 51 is provided at a higher position than the rear end point 53 in the vertical direction, and the blade portion 50 forms a curved surface connecting the front end point 51 and the rear end point 53 . Regarding the curved surface of the blade portion 50 , the lowest point in the vertical direction of the curved surface is defined as the lowest point 52 . The lowest point 52 is provided between the front end point 51 and the rear end point 53 .

In addition, the lowest point 52 of the blade portion 50 may be provided at a position lower than the top of the cap body 40 and higher than the lower end portion 31 of the rod 30 in the vertical direction. For example, the lowest point 52 may be provided at a position 10 mm higher in the vertical direction than the center point 22 of the spray hole 20 when the mis-spray prevention member 24 is removed and the aerosol cap 1 and the shaft 23 are engaged. Relatively lower and higher than the lower end portion 31 of the rod 30 . Preferably, the lowest point 52 is set at a position 5 to 20 mm lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction, more preferably at a position lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction. 5-15mm lower position.

Thus, when the user holds the lever 30 , the lower surface of the blade portion 50 comes into contact with the upper surface of the index finger and thumb or the back of the hand at the base of the index finger and thumb. The weight of the aerosol device can be supported by the surface in contact with the user's hand and the lower surface of the blade portion 50 . Thus, the user can support the weight of the aerosol device not only by the grip force to hold the aerosol cap and the aerosol container, but also by the surface in contact with the lower surface of the blade part 50 .

The lowest point 52 of the blade portion 50 is typically located behind the center of gravity of the aerosol device. Thus, the weight of the aerosol device is not applied to the user's fingertips, but to the root side of the forefinger and thumb, and the operation of the lever 30 by the forefinger becomes easy, and the aerosol device can be stably supported. weight such an effect.

Fig. 3A is a front view of the aerosol cap 1 according to the first embodiment of the present invention, and Fig. 3B is a rear view of the aerosol cap 1 according to the first embodiment of the present invention. The front end point 51 of the vane portion 50 is typically provided at a position higher than the center point 22 of the discharge hole 20 of the nozzle 21 in the vertical direction. Preferably, the front end point 51 is set at a position higher than the center point 22 of the spray hole 20 of the nozzle 21 by 5 mm or more in the vertical direction, but it is not limited to this, and the front end point 51 may be used as long as it does not hinder the operability of fingers. It is provided at any position lower than the top of the cap main body 40 and higher than the lower end portion 31 of the rod 30 in the vertical direction.

In addition, the rear end point 53 of the vane portion 50 is typically provided at a position lower than the center point 22 of the discharge hole 20 of the nozzle 21 in the vertical direction. Preferably, the rear end point 53 is set at a position 5 to 20 mm lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction, more preferably at a position lower than 5 to 15 mm, but it is not limited thereto, and may also be at the rear. The end point 53 is provided at any position lower than the top of the cap main body 40 and higher than the lower end portion 31 of the rod 30 in the vertical direction.

Fig. 4A is a sectional view taken along line IV-IV of Fig. 3A. As shown in FIG. 4A , the rod 30 is integrated with the nozzle 21 or engaged with the nozzle 21 inside the cap main body 40 . 4B is a cross-sectional view taken along line IV-IV of FIG. 3A with the mis-ejection preventing member removed.

Fig. 5A is a top view of the aerosol cap 1 according to the first embodiment of the present invention from above, and Fig. 5B is a bottom view of the aerosol cap 1 according to the first embodiment of the present invention from below. Here, the point of the blade portion 50 that protrudes most in the right direction in FIG. 5A is defined as the right end point 54 , and the point that protrudes most in the left direction in FIG. 5A is defined as the left end point 55 . The right end point 54 of the vane portion 50 is arranged in the right direction only by the width W1 from the center point 22 of the discharge hole 20 of the nozzle 21 . The width W1 is preferably 25 mm or more, but is not limited thereto, and the width W1 may be 10 mm to 50 mm.

Likewise, the left end point 55 of the vane portion 50 is arranged in the left direction only by the width W2 from the center point 22 of the discharge hole 20 of the nozzle 21 . The width W2 is preferably 25 mm or more, but is not limited thereto, and the width W2 may be 10 mm to 50 mm.

The width W1 and the width W2 are typically the same size, but the width W1 and the width W2 may be different widths.

The raised portion 70 of the cap body 40 protrudes from the side portion 41 , but the right end point 54 and the left end point 55 of the blade portion 50 of the cap body 40 protrude more than the raised portion 70 of the cap body 40 . That is, the width W1 and the width W2 are respectively larger than the width protruding to the right direction and the width protruding to the left direction of the raised portion 70 of the cap body 40 .

Here, when defining the part below the vane part 50 in the rear part 42 of the cap main body 40 as the rear wall part 56, the rear end point 53 of the vane part 50 only protrudes rearward from the rear wall part 56. Width W3. The width W3 is preferably 5 to 15 mm, but is not limited thereto, and may be 5 to 50 mm.

The blade portion 50 forms a curved surface, and as shown in FIGS. 5A and 5B , the portion protruding from the side portion 41 and the portion protruding from the rear portion 42 of the blade portion 50 are integrally formed on the same curved surface.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 5A . The thickness of the blade portion 50 typically becomes thinner in a tapered shape as it protrudes outward, but it is not limited thereto, and the blade portion 50 may have a constant thickness. In addition, the thickness of the thickest part of the blade part 50 is typically 1 to 5 mm, but is not limited thereto, as long as it is formable and does not cause deformation under load.

FIG. 7 is a diagram showing an example of use of the aerosol device 10 in which the aerosol cap 1 according to the first embodiment of the present invention is attached to the aerosol container 2 . As shown in FIG. 7 , when the user holds the rod 30 with his index finger, the lower surface of the blade portion 50 comes into contact with the upper surface of the user's index finger and thumb or the back of the hand at the base of the index finger and thumb. The weight of the aerosol device 10 can thus be supported by the lower surface in contact with the user's hand. Accordingly, the grip force for holding the cap body 40 or the aerosol container 2 to support the weight of the aerosol device 10 can be reduced.

Example 2

8A and 8B are perspective views showing an aerosol cap according to a second embodiment of the present invention. In the second embodiment, the shape of the blade portion 150 is different from that of the blade portion 50 of the first embodiment. As for the other points, since they are the same as those of the first embodiment, explanations are omitted here.

In contrast to the vane portion 50 of the first embodiment protruding throughout the rear portion 42 and the side portion 41 of the cap body, the vane portion 150 of the second embodiment extends from the middle of the rear portion 42 and the side portion 41 of the cap body. The rear partly protrudes.

8C and 8D are perspective views showing another example of the aerosol cap according to the second embodiment of the present invention, showing that the plate-shaped member 60 extends substantially vertically upward from the ends on both sides, similarly to FIG. 1C and FIG. 1D . An example in which the height of the side walls 60a, 60b extends to a position higher than the upper part of the nozzle 21.

In addition, in the following FIGS. 9A to 14 , the case where the side walls 60a and 60b of the plate member 60 are in the shape shown in FIGS. 8A and 8B is described as an example, but the side walls in FIGS. The shapes other than the walls 60a and 60b and the following description of FIGS. 9A to 14 are similarly applied when the side walls 60a and 60b of the plate-like member 60 have the shapes shown in FIGS. 8C and 8D .

Fig. 9A is a right side view of the aerosol cap according to the second embodiment of the present invention, and Fig. 9B is a left side view of the aerosol cap according to the second embodiment of the present invention. Here, the front end point 151 of the blade portion 150 on the side of the discharge hole 20 according to the second embodiment is defined, and the rear end point 153 is defined as the end point of the blade portion 150 on the opposite side to the discharge hole 20 . Typically, the front end point 151 is set at a position higher than the rear end point 153 in the vertical direction, but the front end point 151 and the rear end point 153 may be substantially at the same height, and the rear end point 153 may be set at a higher position than the front end point 153. The location where endpoint 151 is high. The blade portion 150 forms a curved surface connecting the front end point 151 and the rear end point 153 . Regarding the curved surface of the blade portion 150 , the point at which the position in the vertical direction of the curved surface becomes the lowest is defined as the lowest point 152 . The lowest point 152 is disposed between the front end point 151 and the rear end point 153 .

The lowest point 152 of the blade portion 150 may be provided at a position lower than the top of the cap main body 40 and higher than the lower end portion 31 of the rod 30 in the vertical direction. For example, the lowest point 152 may be set at a position 10 mm higher in the vertical direction than the center point 22 of the spray hole 20 when the mis-spray prevention member 24 is removed and the aerosol cap 1 and the shaft 23 are engaged. Relatively lower and higher than the lower end portion 31 of the rod 30 . Preferably, the lowest point 152 is set at a position 5 to 20 mm lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction, more preferably at a position lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction. 5-15mm lower position.

Thus, when the user holds the lever 30 , the lower surface of the blade portion 150 comes into contact with the upper surface of the index finger and thumb or the back of the hand at the base of the index finger and thumb. The weight of the aerosol container can be supported by the surface where the user's hand is in contact with the lower surface of the blade part 150 . Thus, the user can support the weight of the aerosol device not only by the grip force to hold the aerosol cap and the aerosol container, but also by the surface in contact with the lower surface of the blade part 150 .

The lowest point 152 of the blade portion 150 is typically located behind the center of gravity of the aerosol device. Thus, the weight of the aerosol device is not applied to the user's fingertips, but to the root side of the index finger and thumb, and the operation of the lever 30 by the index finger becomes easy, and the aerosol container can be stably supported. device such an effect.

Fig. 10A is a front view of the aerosol cap 1 according to the second embodiment of the present invention, and Fig. 10B is a rear view of the aerosol cap 1 according to the second embodiment of the present invention. The front end point 151 of the vane portion 150 is typically provided at a position lower than the center point 22 of the discharge hole 20 of the nozzle 21 in the vertical direction. Preferably, the front end point 151 is set at a position lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction by 5-20 mm, more preferably at a position lower than 5-15 mm, but it is not limited thereto. In the case of operability, the front end point 151 may be provided at any position lower than the top of the cap main body 40 and higher than the lower end portion 31 of the rod 30 in the vertical direction.

In addition, the rear end point 153 of the vane portion 150 is typically provided at a position lower than the center point 22 of the discharge hole 20 of the nozzle 21 in the vertical direction. Preferably, the rear end point 153 is set at a position lower than the center point 22 of the spray hole 20 of the nozzle 21 in the vertical direction by 5-20 mm, more preferably at a position lower than 5-15 mm, but it is not limited thereto. It only needs to be installed at a position lower than the top of the cap main body 40 and higher than the lower end portion 31 of the rod 30 in the vertical direction.

FIG. 11A is a cross-sectional view taken along line XI-XI in FIG. 10A . As shown in FIG. 11A , the rod 30 is integrated with the nozzle 21 or engaged with the nozzle 21 inside the cap main body 40 . 11B is a cross-sectional view taken along line XI-XI in FIG. 10A when the mis-ejection preventing member is removed.

Fig. 12A is a top view of the aerosol cap according to the second embodiment of the present invention from above, and Fig. 12B is a bottom view of the aerosol cap according to the second embodiment of the present invention from below. As shown in FIG. 12A , the blade portion 150 of the aerosol cap 1 according to the second embodiment may also be substantially fan-shaped when viewed from above. Here, the point of blade portion 150 that protrudes most in the right direction in FIG. 12A is defined as right end point 154 , and the point that protrudes most in the left direction in FIG. 12A is defined as left end point 155 . The right end point 154 of the vane portion 150 is arranged in the right direction only by the width W11 from the center point 22 of the discharge hole 20 of the nozzle 21 . The width W11 is preferably 25 mm or more, but is not limited thereto, and the width W11 may be 10 mm to 50 mm.

Likewise, the left end point 155 of the vane portion 150 is arranged in the left direction only by the width W12 from the center point 22 of the discharge hole 20 of the nozzle 21 . The width W12 is preferably 25 mm or more, but is not limited thereto, and the width W12 may be 10 mm to 50 mm.

The width W11 and the width W12 are typically the same size, but the width W11 and the width W12 may be different widths.

The raised portion 70 of the cap body 40 protrudes from the side portion 41 , but the right end point 154 and the left end point 155 of the blade portion 150 of the cap body 40 protrude more than the raised portion 70 of the cap body 40 . That is, the width W11 and the width W12 are respectively larger than the rightward protruding width and the leftward protruding width of the protruding portion 70 of the cap body 40 .

Here, in the case where a portion of the rear portion 42 of the cap body 40 that is lower than the blade portion 150 is defined as the rear wall portion 156 , the rear end point 153 of the blade portion 150 only protrudes rearward from the rear wall portion 156 . Width W13. The width W13 is preferably 5 to 15 mm, but is not limited thereto, and may be 5 to 50 mm.

The blade portion 150 forms a curved surface, and as shown in FIGS. 12A and 12B , the portion protruding from the side portion 41 and the portion protruding from the rear portion 42 of the blade portion 150 are integrally formed on the same curved surface.

Fig. 13 is a cross-sectional view taken along line XIII-XIII in Fig. 12A. The thickness of the blade portion 150 typically becomes thinner in a tapered shape as it protrudes outward, but it is not limited thereto, and the blade portion 150 may have a constant thickness. In addition, the thickness of the thickest part of the blade part 150 is typically 1 to 5 mm, but is not limited thereto, as long as it is formable and does not cause deformation under load.

FIG. 14 is a diagram showing an example of use of the aerosol device 10 in which the aerosol cap 1 according to the second embodiment of the present invention is attached to the aerosol container 2 . As shown in FIG. 14 , when the user holds the rod 30 with his index finger, the lower surface of the blade portion 150 comes into contact with the upper surface of the user's index finger and thumb or the back of the hand at the base of the index finger and thumb. The weight of the aerosol device 10 can thus be supported by the lower surface in contact with the user's hand. Accordingly, the grip force for holding the cap body 40 or the aerosol container 2 to support the weight of the aerosol device 10 can be reduced.

The above description is for the examples, but the present invention is not limited thereto, and it is clear to those skilled in the art that various changes and modifications can be made within the spirit of the present invention and the scope of the appended claims.

Explanation of symbols

1: aerosol cap; 2: aerosol container; 10: aerosol device; 20: ejection hole; 21: nozzle; 22: center point; 23: shaft; 24: misinjection prevention part; 30: rod; 31 : lower end; 40: cap body; 41: side; 42: rear; 50: blade; 51: front end; 52: lowest point; 53: rear end; 54: right end; 55: left end; 56: rear wall; 60: plate-like member; 150: blade; 151: front end; 152: lowest point; 153: rear end; 154: right end; 155: left end; 156: rear wall.

Claims (6)

1. an aerosol cap, said aerosol cap is the aerosol cap of trigger type aerosol device, it is characterized in that, possess nozzle, bar and cap main body, The nozzle has a spray hole for spraying the fluid in the aerosol container, The rod is integrated with the nozzle or engaged with the nozzle, the cap body covers the nozzle and the stem, The cap body has blades protruding from side and rear portions of the cap body, the blade portion protruding from the side portion of the cap main body and the blade portion protruding from the rear portion are integrally formed, The blade portion protruding from the side portion of the cap body and the blade portion protruding from the rear portion have a flat lower surface extending in a direction perpendicular to the axial direction of the aerosol container and aligned with the aerosol container. The top of the index finger and thumb and the base of the index finger and thumb touch the back of the hand, The blade portion protruding from the side portion of the cap main body has a lowermost point disposed rearward compared to the center of gravity of the aerosol device, The cap body also has a raised portion protruding from the side portion of the cap body. 2. The aerosol cap of claim 1, wherein: The lowest point of the vane portion is provided at a position lower than a center point of the discharge hole of the nozzle and higher than a lower end of the rod. 3. The aerosol cap according to claim 1 or 2, characterized in that, A plate-shaped member is further provided below the discharge hole of the nozzle. 4. The aerosol cap of claim 3, wherein: The plate-shaped member has side walls extending substantially vertically upward from both end portions of the plate-shaped member, and the side walls are integral with the plate-shaped member or attached to the plate-shaped member. 5. The aerosol cap according to claim 1 or 2, characterized in that, A mis-ejection preventing member is further provided, and the mis-ejection preventing member is connected to the nozzle. 6. A trigger-type aerosol device, characterized by comprising the aerosol cap according to any one of claims 1 to 5; and an aerosol container containing a fluid.

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