Medicament volatilization device

Abstract

To provide a medicament volatilization device that does not reduce the sustainability of the medicament volatilization performance.SOLUTION: A medicament volatilization device 1 includes a medicament volatilizing body 5 that holds a volatile medicament in a volatilizable manner, and a storage container 6 in which an outer container 20 is disposed on the outer side of an inner container 10 that accommodates the medicament volatilizing body 5. The inner container 10 formed of a sheet molded article of synthetic resin is disposed to be vertically movable relative to the outer member 20 formed of an injection-molded article of synthetic resin. With the vertical movement of the inner container 10, the device can switch between: a volatilization state in which an outer opening 20a opened on the peripheral surface of the outer container 20 and an inner opening 10a opened on the peripheral surface of the inner container 10 overlap each other; and a non-volatilization state in which the inner opening 10a is vertically displaced relative to the outer opening 20a and the outer opening 20a is blocked by the periphery of the inner opening 10a.SELECTED DRAWING: Figure 11

Description

Technical Field

[0001] The present invention relates to a chemical vaporizer for vaporizing volatile chemicals such as insect repellents.

Background Art

[0002] A conventional chemical vaporizer for vaporizing volatile chemicals is disclosed in Patent Document 1. This chemical vaporizer includes a chemical vaporizing body that holds the volatile chemical in a vaporizable manner, and a housing container that houses the chemical vaporizing body in a ventilatable manner. A plurality of openings are provided on the peripheral surface of the housing container. The chemical vaporized from the chemical vaporizing body is released to the outside through the openings.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, according to the above-mentioned conventional chemical vaporizer, while the volatile chemical is constantly released and thus has excellent diffusibility of the chemical, further improvement has been demanded for the sustainability of the chemical vaporization performance. Also, even if the volatile chemical itself has no unpleasant odor and is highly safe, there are consumers who avoid constantly vaporizing the chemical in a narrow enclosed space with a volume of about 2.0 to 33.3 m 3 (including ventilation conditions such as natural ventilation and 24-hour ventilation) such as indoor spaces (toilets, bathrooms, bedrooms, living rooms, etc.), inside automobiles, and inside tents. For this reason, a chemical vaporizer having a function of vaporizing the chemical only during use or only for a certain period of time is desired.

[0005] At this time, it is preferable that the mechanism can easily switch between the volatilized state (during use) and the non-volatilized state (when not in use). In particular, when frequently switching between the volatilized state and the non-volatilized state (for example, when switching between the volatilized state and the non-volatilized state at intervals of 12 hours or less), it is desired to be even more convenient. However, a drug volatilization device that can perform such switching with a relatively simple operation has not been found so far.

[0006] An object of the present invention is to provide a drug volatilization device that can easily switch between a volatilized state (during use) and a non-volatilized state (when not in use) with a relatively simple operation and does not reduce the sustainability of the drug volatilization performance.

Means for Solving the Problems

[0007] In order to achieve the above object, the present invention provides a drug volatilization device including a drug volatilizer that holds a volatile drug in a volatilizable manner, and a storage container in which an outer container is disposed outside an inner container that houses the drug volatilizer. The inner container made of a sheet molded product of synthetic resin is disposed so as to be vertically movable with respect to the outer member made of an injection molded product of synthetic resin. By vertically moving the inner container, it is possible to switch between a volatilized state in which an outer opening formed in the peripheral surface of the outer container and an inner opening formed in the peripheral surface of the inner container overlap, and a non-volatilized state in which the inner opening is displaced vertically with respect to the outer opening and the outer opening is blocked by the periphery of the inner opening.

[0008] According to this configuration, by making the inner container a sheet molded product, it is possible to reduce the amount of resin used compared to an injection molded product, and it becomes a drug volatilization device that takes environmental considerations into account. In addition, since the thickness and weight of the entire drug volatilization device can be reduced, savings in storage space and improvement in transportation efficiency are expected.

[0009] Further, the present invention relates to the chemical agent volatilizing device having the above-described configuration, and when the outer container is arranged in one of an upright posture and an inverted posture in which the upright posture is reversed upside down, and the inner container is lowered to the stroke end, the volatilization state is achieved, and when arranged in the other posture and the inner container is lowered to the stroke end, the non-volatilization state is achieved.

[0010] Further, the present invention relates to the chemical agent volatilizing device having the above-described configuration, and is characterized in that the vertical movement of the inner container is restricted by contact between a first protruding portion protruding from the outer surface of the inner container and a second protruding portion protruding from the inner surface of the outer container.

[0011] Further, the present invention relates to the chemical agent volatilizing device having the above-described configuration, and the outer container has an insertion hole through which the inner container is inserted at one end surface in the vertical direction, the inner container is detachable from the outer container, and when the inner container is inserted through the insertion hole, the first protruding portion slides over the second protruding portion.

[0012] Further, the present invention relates to the chemical agent volatilizing device having the above-described configuration, and is characterized in that the inner container is detachable from the outer container.

[0013] Further, the present invention relates to the chemical agent volatilizing device having the above-described configuration, and the outer container has a front-side member and a back-side member that engage with each other. An engaging claw is provided on one of the front-side member and the back-side member, and an engaged portion with which the engaging claw engages and an opposing wall facing the engaged portion are provided on the other. The opposing wall is characterized by having a protruding portion arranged in front of the engaged portion in the insertion direction facing the engaging claw inserted between the engaged portion and the opposing wall.

[0014] Further, the present invention relates to the chemical agent volatilizing device having the above-described configuration, and is characterized in that the inner container and the outer container are colored with different exterior colors.

Advantages of the Invention

[0015] According to the present invention, by vertically moving the inner container, it is possible to easily switch between a volatilized state in which the outer opening is open and a non-volatilized state in which the outer opening is closed. Thereby, when not in use, by switching to the non-volatilized state, wasteful volatilization of the volatile agent can be suppressed, and thus the sustainability of the agent volatilization performance can be maintained.

Brief Description of the Drawings

[0016]

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Modes for Carrying Out the Invention

[0017] Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show a perspective view and an exploded perspective view of a chemical agent volatilizer 1 according to an embodiment. The chemical agent volatilizer 1 releases a volatile chemical agent such as an insecticide or an insect repellent for controlling or repelling flying pests such as mosquitoes.

[0018] The chemical agent volatilizer 1 includes a chemical agent volatilizing body 5 and a storage container 6. The storage container 6 has an inner container 10 for storing the chemical agent volatilizing body 5 and an outer container 20 disposed outside the inner container 10, and the inner container 10 is covered by the outer container 20. The chemical agent volatilizer 1 is erected, for example, on a table or the like, and the volatile chemical agent volatilized from the chemical agent volatilizing body 5 is released through an outer opening 20a formed in the circumferential surface of the outer container 20.

[0019] As the chemical agent volatilizing body 5, for example, a structure capable of holding a volatile chemical agent in a volatilizable manner by impregnation or kneading can be used. Examples of the material of the chemical agent volatilizing body 5 include paper, pulp, natural fiber, synthetic fiber, resin body, resin sheet, inorganic and organic porous bodies, gel-like bodies, and the like.

[0020] Although the method of impregnating the resin sheet with the chemical agent is simple, it is easy to control the sustained release of the volatile chemical agent during the use period, the amount of the chemical agent volatilized is stable, and the flow-down of the chemical agent due to moisture such as rain is suppressed. Therefore, it is preferable to adopt a resin body kneaded with a volatile chemical agent, but it is not particularly limited.

[0021] Examples of the resin of the resin body and the resin sheet include polyethylene, polypropylene, polyvinyl alcohol, polyvinyl acetate, polybutadiene, polyisoprene, ethylene-vinyl acetate copolymer, ethylene-methyl methacrylate copolymer, styrene-butadiene copolymer, and the like.

[0022] The form of the chemical agent volatilizing body 5 is not particularly limited, such as a sheet shape, a granular shape, a three-dimensional shape, etc. From the viewpoint of improving the volatilization efficiency of the volatile chemical agent, for example, a honeycomb structure, a perforated structure, a planar or three-dimensional mesh structure, etc. can be adopted.

[0023] The volatile agent can be used alone or in combination of two or more of insecticides, repellents, fungicides, antibacterial agents, fragrances, deodorants, synergists, etc., but is not particularly limited. For example, when used for the purpose of controlling or repelling flying pests such as mosquitoes, midges, and flies, it is preferable to use a pyrethroid compound as the volatile agent. In particular, temperature - volatile pyrethroid compounds such as metofluthrin, profluthrin, empenthrin, and transfluthrin, which have high volatility performance and control effect against flying pests, are suitable. Incidentally, the volatile agent can be used in combination with a known low - volatile agent.

[0024] The inner container 10 is a sheet - molded product of synthetic resin formed by vacuum pressure forming or the like, and has a front - side member 11 and a back - side member 12 that are folded in two. By making the inner container 10 a sheet - molded product, it is possible to reduce the amount of resin used compared to an injection - molded product, and it becomes the chemical - volatilizing device 1 that takes environmental considerations into account. Also, since the thickness and weight of the entire chemical - volatilizing device 1 can be reduced, savings in storage space and improvement in transportation efficiency are expected. Incidentally, in the present embodiment, as shown in FIG. 2, the inner container 10 has a structure having a front - side member 11 and a back - side member 12 that are folded in two, but each member may be separate.

[0025] Flanges 18 are provided around the storage portion 17 for storing the chemical - volatilizing body 5 on the front - side member 11 and the back - side member 12. Boss holes 15 are recessed at the four corners of the flange 18 of the front - side member 11. Bosses 16 are protruded at the four corners of the flange 18 of the back - side member 12. The bosses 16 are fitted into the boss holes 15 to close the inner container 10, and the front - side and back - side of the chemical - volatilizing body 5 are respectively covered by the front - side member 11 and the back - side member 12.

[0026] A plurality of rectangular inner openings 10a are opened by lattice - shaped crossbars 10b at the bottom surface of the storage portion 17 that forms the peripheral surface of the inner container 10. The volatile agent volatilized from the chemical - volatilizing body 5 flows out from the inner openings 10a and is led to the outer opening 20a of the outer container 20. Also, first protrusions 14 (see FIG. 3) are protruded and provided on the outer surfaces of both side surfaces of the storage portion 17 of the inner container 10.

[0027] As shown in Fig. 3, the inner container 10 is inserted into the outer container 20 from the insertion hole 20c provided on the lower end surface of the outer container 20. As a result, the inner container 10 is detachable from the outer container 20, and the inner container 10 can be easily removed to replace the entire inner container 10 or the chemical diffuser 5 inside the inner container 10. However, it is also possible to adopt a structure in which the inner container 10 cannot be removed after being mounted.

[0028] A pair of left and right second protrusions 24 (see Fig. 2) are provided on the inner surface of the outer container 20. The interval in the left-right direction on the inner surface of the second protrusion 24 is formed to be slightly smaller than the interval in the left-right direction on the outer surface of the first protrusion 14. For this reason, the first protrusion 14 of the inner container 10 inserted into the outer container 20 slides and elastically deforms with the second protrusion 24 to overcome the second protrusion 24.

[0029] As a result, the first protrusion 14 is arranged above the second protrusion 24, and the inner container 10 is mounted. Then, the vertical movement (descent) of the inner container 10 is restricted by the contact of the first protrusion 14 with the second protrusion 24.

[0030] In Figs. 1 and 2, the outer container 20 is an injection molded product of synthetic resin, and the inner container 10 is inserted from the insertion hole 20c provided on one end surface in the vertical direction (here, the lower surface). As a result, the inner container 10 is detachably mounted on the outer container 20. An upper surface opening 20d surrounded by a flange 23 is opened on the upper surface of the outer container 20. A stopper 35 protrudes from the upper inner surface of the outer container 20. The inner container 10 is prevented from coming off by the contact between the peripheral wall of the storage portion 17 of the inner container 10 and the stopper 35.

[0031] Also, as shown in Fig. 1, a convex portion 23a protruding in the inner surface direction is provided on a part of the flange 23. As a result, the outer container 20 has a structure in which the inner container 10 cannot be accidentally inserted from the upper surface opening 20d.

[0032] Regarding the inner container 10, when it satisfies a predetermined function, it may be inserted from the insertion hole 20c regardless of the vertical orientation. When the orientation of the inner container 10 during insertion is limited to only one of the vertical directions, for example, as shown in FIG. 3, a raised portion 19 is provided at one end of the inner container 10. When the inner container 10 is inserted into the outer container 20 from the side of the raised portion 19, the raised portion 19 abuts against the stopper 35 (see FIG. 2), preventing the complete insertion of the inner container 10. Thus, the orientation of the inner container 10 during insertion is determined to be one way.

[0033] Also, when removing the inner container 10 from the outer container 20, the inner container 10 may be pushed out through the upper surface opening 20d of the outer container 20.

[0034] The outer container 20 is formed of, for example, a white resin, and the inner container 10 is formed of, for example, a colorless transparent or gray resin. Regardless of the exterior colors of the outer container 20 and the inner container 10, they may be the same color, but when they are colored in different color tones, the difference between the volatilized state and the non-volatilized state described later is easier to understand.

[0035] The outer container 20 covers the front side and the back side of the inner container 10 with a front-side member 21 and a back-side member 22 that engage with each other. A plurality of rectangular outer openings 20a are opened on the peripheral surface of the outer container 20 by lattice-shaped bars 20b. The outer opening 20a is formed to be substantially the same size as the inner opening 10a.

[0036] FIG. 4 and FIG. 5 respectively show cross-sectional views of the upper end and the lower end of the outer container 20 viewed from below. A pair of left and right engaging claws 25a protruding rearward are provided at the upper end of the side surface of the front-side member 21 of the outer container 20, and a pair of left and right engaging claws 25b protruding rearward are provided at the lower end of the side surface. Also, a pair of left and right ribs 26a are provided inside the engaging claws 25a on the inner surface of the front-side member 21, and a pair of left and right ribs 26b are provided inside the engaging claws 25b.

[0037] On the outer surface of the upper part of the front side member 21, engaging claws 25a and ribs 26a are provided with stepped portions 28a and 29a at the same positions in the left - right direction and the up - down direction respectively. On the outer surface of the lower part of the front side member 21, engaging claws 25b and ribs 26b are provided with stepped portions 28b and 29b at the same positions in the left - right direction and the up - down direction respectively.

[0038] On the upper end side of the back side member 22, a pair of left - right engaged portions 30a that engage with the engaging claws 25a are provided, and on the lower end side, a pair of left - right engaged portions 30b that engage with the engaging claws 25b are provided. Further, on the upper end of the back side member 22, a pair of left - right opposing walls 31a facing the engaged portions 30a are provided, and on the lower end, a pair of left - right opposing walls 31b facing the engaged portions 30b are provided. On the outer surface of the back side member 22, stepped portions 33a and 33b are provided at the same positions in the left - right direction and the up - down direction as the opposing walls 31a and 31b respectively.

[0039] The engaging claw 25a enters between the engaged portion 30a and the opposing wall 31a and engages with the engaged portion 30a. At this time, the opposing wall 31a enters between the engaging claw 25a and the rib 26a. The engaging claw 25b enters between the engaged portion 30b and the opposing wall 31b and engages with the engaged portion 30b. At this time, the opposing wall 31b enters between the engaging claw 25b and the rib 26b.

[0040] The width of the opposing wall 31b in the left - right direction is larger than the width of the opposing wall 31a in the left - right direction. Therefore, when the front side member 21 is placed on the back side member 22 with the up - down reversed, the opposing wall 31b abuts against the rib 26a and the engagement of the engaging claw 25a is prevented. Thereby, incorrect assembly of the front side member 21 and the back side member 22 can be prevented.

[0041] The opposing wall 31a has a protrusion 32a facing the engaging claw 25a and arranged in front of the engaged portion 30a in the insertion direction. Therefore, the engaging claw 25a traveling between the engaged portion 30a and the opposing wall 31a is guided along the protrusion 32a by elastic deformation and engages with the engaged portion 30a.

[0042] Similarly, the opposing wall 31b has a protrusion 32b that faces the engaging claw 25b and is arranged in front of the engaged portion 30b in the insertion direction. Therefore, the engaging claw 25b that travels between the engaged portion 30b and the opposing wall 31b is guided along the protrusion 32b by elastic deformation and engages with the engaged portion 30b. As a result, the inner container 10 is housed inside the outer container 20.

[0043] The gaps between the engaging claws 25a, 25b engaged with the engaged portions 30a, 30b and the opposing walls 31a, 31b are narrowed by the protrusions 32a, 32b. Therefore, it is possible to prevent the disengagement between the front-side member 21 and the back-side member 22 due to an impact or the like when the chemical agent volatilization device 1 is dropped.

[0044] FIGS. 6 and 7 are cross-sectional views showing the upper and lower portions of the front-side members 21 stacked when assembling the outer container 20. The engaging claws 25a' and ribs 26a' of the stacked front-side members 21' are arranged on the step portions 28a, 29a of the front-side member 21. The engaging claws 25b' and ribs 26b' of the stacked front-side members 21' are arranged on the step portions 28b, 29b of the front-side member 21. Thereby, the front-side members 21 can be stably stacked, and the assemblability of the outer container 20 can be improved.

[0045] FIGS. 8 and 9 are cross-sectional views showing the upper and lower portions of the back-side members 22 stacked when assembling the outer container 20. The opposing walls 31a' of the stacked back-side members 22' are arranged on the step portion 33a of the back-side member 22. The opposing walls 31b' of the stacked back-side members 22' are arranged on the step portion 33b of the back-side member 22. Thereby, the back-side members 22 can be stably stacked, and the assemblability of the outer container 20 can be improved.

[0046] Incidentally, the engaged portions 30a, 30b and the opposing walls 31a, 31b may be provided on the front-side member 21, and the engaging claws 25a, 25b and the ribs 26a, 26b may be provided on the back-side member 12.

[0047] FIG. 10 shows a side cross-sectional view of the chemical agent volatilizing device 1 when the storage container 6 is in an upright position, and FIG. 11 shows an enlarged view of part D in FIG. 10. FIG. 12 shows a side cross-sectional view of the chemical agent volatilizing device 1 when the storage container 6 is in an inverted position with the top and bottom reversed with respect to the upright position, and FIG. 13 shows an enlarged view of part E in FIG. 12.

[0048] The inner container 10 descends inside the outer container 20 by being pressed through the insertion hole 20c or the upper surface opening 20d. Therefore, in the upright position, the inner container 10 pressed through the upper surface opening 20d descends to the stroke end where the first protruding portion 14 (see FIG. 3) and the second protruding portion 24 (see FIG. 2) come into contact.

[0049] At this time, inside the storage container 6, the inner opening 10a is positioned to overlap the outer opening 20a, and the outer opening 20a is opened. As a result, the volatile chemical agent volatilized from the chemical agent volatilizer 5 is discharged into the space where the chemical agent volatilizing device 1 is installed through the inner opening 10a and the outer opening 20a. That is, the chemical agent volatilizing device 1 is in a volatilized state in which the volatile chemical agent is volatilized to the outside.

[0050] Also, in the inverted position where the storage container 6 is inverted from the upright position as shown by the arrow A, the inner container 10 pressed through the insertion hole 20c descends to the stroke end where the peripheral wall of the storage portion 17 and the stopper 35 come into contact. At this time, the inner opening 10a is displaced in the vertical direction with respect to the outer opening 20a, and the outer opening 20a is blocked by the crossbar 10b around the inner opening 10a.

[0051] For this reason, the volatile chemical agent volatilized from the chemical agent volatilizer 5 is blocked by the crossbar 10b around the inner opening 10a and the crossbar 20b around the outer opening 20a, and the release to the outside is suppressed. That is, the chemical agent volatilizing device 1 is in a non-volatilized state in which the volatilization of the volatile chemical agent is stopped. Thereby, by setting it to the upright position when necessary and to the inverted position when not needed, the usage amount of the chemical agent can be adjusted, and the sustainability of the chemical agent volatilization performance can be maintained.

[0052] Also, when the outer container 20 and the inner container 10 have different exterior colors, since the crossbar 10b of the inner container 10 with a different exterior color from the outer container 20 can be visually recognized from the outer opening 20a, it can be recognized that it is in a non-volatile state. Therefore, it is useful because the volatile state and the non-volatile state can be easily discriminated.

[0053] In addition, the inner container 10 may be formed so as to be vertically movable within the outer container 20 by its own weight. Also, although the inner opening 10a and the outer opening 20a are formed in a rectangular shape by the lattice-shaped crossbars 10b and 20b, they may have a shape other than rectangular as long as the outer opening 20a can be closed by the periphery of the inner opening 10a. Further, although it is in a volatile state when in the upright posture of the storage container 6 and in a non-volatile state when in the inverted posture, it may be in a non-volatile state when in the upright posture and in a volatile state when in the inverted posture.

[0054] According to the present embodiment, by the user moving the inner container 10 up and down, it is possible to switch between a volatile state in which the outer opening 20a is open and a non-volatile state in which the outer opening 20a is closed, that is, on / off during use and non-use. Thereby, when not in use, by switching to the non-volatile state, wasteful volatilization of the volatile agent can be suppressed, and thus the sustainability of the agent volatilization performance can be maintained.

[0055] Also, when the inner container is arranged in one of the upright posture and the inverted posture and lowered to the stroke end, it becomes a volatile state, and when arranged in the other and lowered to the stroke end, it becomes a non-volatile state. For this reason, it is possible to easily switch between the volatile state and the non-volatile state.

[0056] In addition, the upward and downward movement of the inner container 10 is restricted by the contact between the first protruding portion 14 protruding from the outer surface of the inner container 10 and the second protruding portion 24 protruding from the inner surface of the outer container 20. Therefore, the inner opening 10a can be easily positioned with respect to the outer opening 20a and arranged in a volatile state or a non-volatile state.

[0057] In addition, the inner container 10 can be detachable from the outer container 20, and the chemical diffuser 5 can be replaced. Incidentally, for example, by closing the insertion hole 20c, the inner container 10 can be made non-detachable from the outer container 20. Also, by removing the fitting of the inner container 10 and replacing the chemical diffuser 5, the inner container 10 can be reused.

[0058] Further, the opposing walls 31a, 31b facing the engaged portions 30a, 30b have protruding portions 32a, 32b arranged in front of the engaged portions 30a, 30b facing the engaging claws 25a, 25b. Thereby, it is possible to prevent the disengagement between the front-side member 21 and the back-side member 22 due to an impact or the like when the chemical diffusing device 1 is dropped.

[0059] In addition, since the inner container 10 and the outer container 20 are colored in different exterior colors, it is possible to easily distinguish between the diffused state and the non-diffused state.

Industrial Applicability

[0060] According to the present invention, it can be used in a chemical diffusing device for diffusing volatile chemicals such as insecticides, repellents, fungicides, antibacterial agents, fragrances, deodorants, and synergists.

Explanation of Signs

[0061] 1 Chemical diffusing device 5 Chemical diffuser 6 Storage container 10 Inner container 10a Inner opening 10b Crossbar 11 Front-side member 12 Back-side member 13 Widening portion 14 First protruding portion 15 Boss hole 16 Boss 17 Storage portion 18 Flange 19 Raised portion 20 Outer container 20a Outer opening 20b Crossbar 20c Insertion hole 20d Upper opening 21, 21’ Front side members 22, 22’ Rear side members 23 Flange 23a Protrusion 24 Second protrusion 25a, 25a’, 25b, 25b’ Engaging claws 26a, 26a’, 26b, 26b’ Ribs 28a, 28b, 29a, 29b, 33a, 33b Step portions 30a, 30b Engaged portions 31a, 31a’, 31b, 31b’ Opposing walls 32a, 32b Protruding portions 35 Stopper

Claims

1. In a chemical agent volatilizing device comprising a chemical agent volatilizer for holding a volatile chemical agent in a volatilizable manner and a storage container having an outer container disposed outside an inner container for storing the chemical agent volatilizer, the inner container made of a sheet molded product of synthetic resin is disposed so as to be vertically movable with respect to the outer member made of an injection molded product of synthetic resin, by the vertical movement of the inner container, a volatilization state in which an outer opening formed in the peripheral surface of the outer container and an inner opening formed in the peripheral surface of the inner container overlap, and a non-volatilization state in which the inner opening is displaced in the vertical direction with respect to the outer opening and the outer opening is blocked by the periphery of the inner opening are switchable. A chemical agent volatilizing device characterized by this.

2. The volatilization state is achieved when the outer container is disposed in one of an upright posture and an inverted posture in which the top and bottom are reversed with respect to the upright posture and the inner container is lowered to the stroke end, and the non-volatilization state is achieved when the outer container is disposed in the other and the inner container is lowered to the stroke end. The chemical agent volatilizing device according to claim 1, characterized by this.

3. The vertical movement of the inner container is restricted by contact between a first protrusion protruding from the outer surface of the inner container and a second protrusion protruding from the inner surface of the outer container. The chemical agent volatilizing device according to claim 2, characterized by this.

4. The outer container has an insertion hole through which the inner container is inserted at one end surface in the vertical direction, the inner container is detachable from the outer container, and when the inner container is inserted through the insertion hole, the first protrusion slides over the second protrusion. The chemical agent volatilizing device according to claim 3, characterized by this.

5. The inner container is detachable from the outer container. The chemical agent volatilizing device according to claim 1 or claim 2, characterized by this.

6. The outer container has a front side member and a back side member that engage with each other, an engaging claw is provided on one of the front side member and the back side member, and an engaged portion with which the engaging claw engages and an opposing wall facing the engaged portion are provided on the other, the opposing wall has a protrusion portion disposed in front of the engaged portion in the insertion direction with respect to the engaging claw inserted between the engaged portion and the opposing wall. The chemical agent volatilizing device according to claim 1 or claim 2, characterized by this.

7. The inner container and the outer container are color-matched with different exterior colors. The chemical agent volatilizing device according to claim 1 or claim 2, characterized by this.

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