JP2021029735A - Sterilization device and water heater - Google Patents

Abstract

To provide a sterilization device that is capable of suppressing coming off of O-rings while suppressing deterioration of lid members caused by light emitted from a sterilization lamp.SOLUTION: A sterilization device comprises a sterilization lamp, a cylindrical body part, lid members, O-rings, annular members and fixing members. The sterilization lamp is housed inside the body part. The body part has a first end and a second end on the opposite side of the first end, and the first end is open. The lid member has a recess into which the first end is inserted. The O-ring is arranged between an outer peripheral surface of the body part and an inner wall surface of the recess opposing to the outer peripheral surface of the body part. The body part is inserted into the annular members, and the members are capable of supporting the O-rings. The fixing members are constituted to regulate a movement of the lid members along a direction from the second end toward the first end, and regulate a movement of the annular members along a direction from the first end toward the second end.SELECTED DRAWING: Figure 2

Description

The present invention relates to a sterilization device and a hot water device.

Patent Document 1 (Japanese Unexamined Patent Publication No. 2017-196382) describes a sterilizing device. The sterilization device described in Patent Document 1 includes a sterilization lamp, a tubular main body, a pair of lid members, and a fixing member. The sterilization lamp generates light such as ultraviolet rays that sterilize hot water. The main body is provided with openings at both ends. A sterilization lamp is stored inside the main body. The lid member has a tip portion. The tip is inserted into the main body through the opening. The fixing member attaches the pair of lid members to both ends of the main body by sandwiching the main body and the pair of lid members.

JP-A-2017-196382

In the sterilization device described in Patent Document 1, since the tip portion is inserted into the main body portion, the tip portion is irradiated with ultraviolet rays or the like from the sterilization lamp. As a result, the tip portion may be deteriorated by ultraviolet rays or the like.

When the lid member is attached to the main body by providing the lid member with a recess and inserting the end of the main body into the recess, it is possible to prevent the lid member from being deteriorated by the light emitted from the sterilization lamp. In this case, it is necessary to arrange the O-ring between the outer peripheral surface of the main body and the inner wall surface of the recess. However, when the O-ring is arranged in this way, the O-ring may come off from between the outer peripheral surface of the main body and the inner wall surface of the recess due to the pressure of the water flowing through the disinfectant lamp.

The present invention has been made in view of the above-mentioned problems of the prior art. More specifically, the present invention provides a sterilization device and a hot water device capable of suppressing the deterioration of the lid member due to the light emitted from the sterilization lamp and suppressing the detachment of the O-ring. is there.

The sterilization device according to one aspect of the present invention includes a sterilization lamp, a tubular main body, a lid member, an O-ring, an annular member, and a fixing member. A sterilization lamp is stored inside the main body. The main body has a first end and a second end opposite to the first end, and the first end is open. The lid member has a recess into which the first end is inserted. The O-ring is arranged between the outer peripheral surface of the main body and the inner wall surface of the recess facing the outer peripheral surface of the main body. The annular member has a main body inserted therein and can support an O-ring. The fixing member is configured to regulate the movement of the lid member along the direction from the second end to the first end and to regulate the movement of the annular member along the direction from the first end to the second end. ing.

In the above-mentioned sterilization device, the fixing member may have a flat plate portion extending along the direction from the first end to the second end, and a first support piece. The first support piece extends from the flat plate portion toward the main body portion, and may support the annular member along the direction from the second end to the first end.

In the above sterilization device, the fixing member may have a second support piece locked to the lid member. The second support piece may sandwich the lid member and the annular member with the first support piece.

In the above-mentioned sterilization device, the annular member may have a protruding portion protruding from the outer peripheral surface of the annular member toward the flat plate portion. The first support piece may support the protrusion along the direction from the second end to the first end.

In the above-mentioned sterilization device, the fixing member may have a flat plate portion extending along the direction from the first end to the second end. The flat plate portion may include a hole penetrating the flat plate portion along the thickness direction. The annular member may have a protrusion that protrudes from the outer peripheral surface of the annular member so that it can be inserted into the hole.

The hot water device according to one aspect of the present invention includes a circulation path for circulating hot water in the bathtub and the above-mentioned sterilization device arranged on the circulation path.

According to the sterilization device and the hot water device according to one aspect of the present invention, it is possible to suppress the deterioration of the lid member due to ultraviolet rays and to prevent the O-ring from coming off.

It is a perspective view of the sterilization apparatus which concerns on 1st Embodiment. It is sectional drawing along the 1st direction DR1 of the sterilization apparatus which concerns on 1st Embodiment. It is a schematic diagram of the hot water apparatus which concerns on 1st Embodiment. It is sectional drawing along the 1st direction DR1 of the sterilization apparatus which concerns on 2nd Embodiment. It is sectional drawing which is orthogonal to the 1st direction DR1 of the sterilization apparatus which concerns on 3rd Embodiment. It is a perspective view of the sterilization apparatus which concerns on 4th Embodiment.

Details of the embodiments of the present invention will be described with reference to the drawings. In the following drawings, the same or corresponding parts shall be designated by the same reference numerals, and duplicate explanations shall not be repeated.

(First Embodiment)
The configuration of the sterilization device (hereinafter referred to as "sterilization device 100") according to the first embodiment will be described below.

<Rough configuration of sterilization device 100>
As shown in FIGS. 1 and 2, the sterilization device 100 includes a sterilization lamp 1, a main body 2, a lid member 3 and a lid member 4, an O-ring 5 and an O-ring 6, an annular member 7, and an annular member 7. It has an annular member 8 and a fixing member 9.

<Sterilization lamp 1>
The sterilization lamp 1 is a lamp that emits light for sterilizing hot water. The light for sterilizing the hot water emitted from the sterilization lamp 1 is, for example, ultraviolet rays. The sterilization lamp 1 is, for example, a fluorescent lamp that emits ultraviolet rays. The sterilization lamp 1 may be an LED (Light Emitting Diode) that emits ultraviolet rays.

<Main body 2>
The main body 2 has a first end 2a and a second end 2b. The first end 2a and the second end 2b are the ends of the main body 2 in the longitudinal direction. The second end 2b is the opposite end of the first end 2a. In the following, the direction from the first end 2a to the second end 2b may be referred to as the first direction DR1, and the direction from the second end 2b to the first end 2a may be referred to as the second direction DR2. Further, in the following, the direction orthogonal to the first direction DR1 (second direction DR2) may be referred to as the third direction DR3, and is orthogonal to both the first direction DR1 (second direction DR2) and the third direction DR3. The direction in which it is present is sometimes referred to as the fourth direction DR4.

The main body 2 has a tubular shape extending along the first direction DR1 (second direction DR2). The main body 2 has, for example, a cylindrical shape. The main body 2 has an opening at the first end 2a and the second end 2b. The main body 2 is made of, for example, a metal material. This metal material is, for example, stainless steel. The main body 2 has an inner peripheral surface 2c and an outer peripheral surface 2d.

A sterilization lamp protection tube 21 is arranged inside the main body 2. The sterilization lamp protection tube 21 has, for example, a cylindrical shape. The sterilization lamp protection tube 21 is transparent to the light emitted from the sterilization lamp 1. The disinfectant lamp protection tube 21 is made of, for example, quartz glass.

The sterilization lamp 1 is housed inside the main body 2 by being housed inside the sterilization lamp protection tube 21. A space exists between the outer peripheral surface and the inner peripheral surface 2c of the disinfectant lamp protection tube 21. This space serves as a flow path 22 through which hot water to be sterilized flows. That is, the hot water flowing through the flow path 22 is sterilized by being irradiated with the light emitted from the sterilization lamp 1.

<Lid member 3 and lid member 4>
The lid member 3 is made of, for example, a resin material. This resin material is, for example, SPS (Syndiotactic Polystyrene). The lid member 3 has a first surface 3a and a second surface 3b. The first surface 3a and the second surface 3b form end surfaces in the first direction DR1 (second direction DR2). The second surface 3b is the opposite surface of the first surface 3a.

The lid member 3 has a recess 31. In the recess 31, the second surface 3b is recessed toward the first surface 3a side. The first end 2a is inserted into the recess 31. The lid member 3 has an insertion hole 32. The insertion hole 32 is formed on the first surface 3a so as to communicate with the recess 31. The end of the disinfectant lamp protection tube 21 is inserted into the insertion hole 32. The insertion hole 32 is closed by the lid 33. Further, the watertightness between the disinfectant lamp protection tube 21 and the insertion hole 32 is ensured by the O-ring.

The lid member 3 has a drain port 34. The drain port 34 communicates with the recess 31. Therefore, the hot water flowing through the flow path 22 is discharged from the drain port 34 to the outside of the sterilization device 100 through the recess 31. An upright wall 35 is formed on the first surface 3a. The upright wall 35 projects from the first surface 3a toward the side opposite to the second surface 3b (along the second direction DR2). The upright wall 35 extends along the fourth direction DR4.

The lid member 4 is made of, for example, a resin material. This resin material is, for example, SPS. The lid member 4 has a first surface 4a and a second surface 4b. The first surface 4a and the second surface 4b form end surfaces in the first direction DR1 (second direction DR2). The second surface 4b is the opposite surface of the first surface 4a.

The lid member 4 has a recess 41. In the recess 41, the second surface 4b is recessed toward the first surface 4a side. The second end 2b is inserted into the recess 41. The lid member 4 has an insertion hole 42. The insertion hole 42 is formed on the first surface 4a so as to communicate with the recess 41. The end of the disinfectant lamp protection tube 21 is inserted into the insertion hole 42. The insertion hole 42 is closed by the lid 43. Further, the watertightness between the disinfectant lamp protection tube 21 and the insertion hole 42 is ensured by the O-ring.

The lid member 4 has a water inlet 44. The water inlet 44 communicates with the recess 41. Therefore, the hot water supplied from the water inlet 44 flows into the flow path 22 through the recess 41. An upright wall 45 is formed on the first surface 4a. The upright wall 45 projects from the first surface 4a toward the side opposite to the second surface 4b (along the first direction DR1). The upright wall 45 extends along the fourth direction DR4.

<O-ring 5 and O-ring 6>
The O-ring 5 is arranged between the main body 2 and the lid member 3. More specifically, the O-ring 5 is arranged between the outer peripheral surface 2d and the inner wall surface of the recess 31 facing the outer peripheral surface 2d. As a result, watertightness between the main body 2 and the lid member 3 is ensured.

The O-ring 6 is arranged between the main body 2 and the lid member 4. More specifically, the O-ring 6 is arranged between the outer peripheral surface 2d and the inner wall surface of the recess 41 facing the outer peripheral surface 2d. As a result, watertightness between the main body 2 and the lid member 4 is ensured.

<annular member 7 and annular member 8>
The annular member 7 has an annular shape. More specifically, the annular member 7 has an annular shape. The main body 2 is inserted through the annular member 7. The annular member 7 is arranged at a position farther from the first end 2a than the lid member 3. The annular member 7 has a first surface 7a, a second surface 7b, an inner peripheral surface 7c, an outer peripheral surface 7d, a support portion 7e, and a protruding portion 7f.

The first surface 7a and the second surface 7b form an end surface of the annular member 7 in the first direction DR1 (second direction DR2). The first surface 7a faces the lid member 3 side. The second surface 7b is the opposite surface of the first surface 7a. The inner peripheral surface 7c is connected to the first surface 7a and the second surface 7b, and the outer peripheral surface 7d is connected to the first surface 7a and the second surface 7b. The inner peripheral surface 7c faces the outer peripheral surface 2d.

The support portion 7e is formed on the first surface 7a. The support portion 7e projects from the first surface 7a toward the side opposite to the second surface 7b (along the second direction DR2). The support portion 7e is formed in an annular shape when viewed from a direction orthogonal to the first surface 7a. The support portion 7e is inserted between the outer peripheral surface 2d and the inner wall surface of the recess 31. The support portion 7e can support the O-ring 5 along the second direction DR2. The protruding portion 7f is formed on the outer peripheral surface 7d. The protruding portion 7f protrudes from the outer peripheral surface 7d toward the flat plate portion 91. The flat plate portion 91 will be described later.

The annular member 8 has an annular shape. More specifically, the annular member 8 has an annular shape. The main body 2 is inserted through the annular member 8. The annular member 8 is arranged at a position farther from the second end 2b than the lid member 4. The annular member 8 has a first surface 8a, a second surface 8b, an inner peripheral surface 8c, an outer peripheral surface 8d, a support portion 8e, and a protruding portion 8f.

The first surface 8a and the second surface 8b form an end surface of the annular member 8 in the first direction DR1 (second direction DR2). The first surface 8a faces the lid member 3 side. The second surface 8b is the opposite surface of the first surface 8a. The inner peripheral surface 8c is connected to the first surface 8a and the second surface 8b, and the outer peripheral surface 8d is connected to the first surface 8a and the second surface 8b. The inner peripheral surface 8c faces the outer peripheral surface 2d.

The support portion 8e is formed on the first surface 8a. The support portion 8e protrudes from the first surface 8a (along the first direction DR1) toward the side opposite to the second surface 8b. The support portion 8e is formed in an annular shape when viewed from a direction orthogonal to the first surface 8a. The support portion 8e is inserted between the outer peripheral surface 2d and the inner wall surface of the recess 41. The support portion 8e can support the O-ring 6 along the first direction DR1. The protruding portion 8f is formed on the outer peripheral surface 8d. The protruding portion 8f protrudes from the outer peripheral surface 8d toward the flat plate portion 91.

<Fixing member 9>
The fixing member 9 restricts the lid member 3 from moving with respect to the main body 2 along the second direction DR2, and the annular member 7 moves with respect to the main body 2 along the first direction DR1. It regulates what you do. Further, the fixing member 9 restricts the lid member 4 from moving with respect to the main body portion 2 along the first direction DR1, and the annular member 8 with respect to the main body portion 2 along the second direction DR2. It regulates the movement. The number of fixing members 9 is, for example, two. The two fixing members 9 are arranged so as to sandwich the main body 2 in the third direction DR3. The fixing member 9 is made of, for example, a metal material. This metal material is, for example, a hot-dip galvanized steel sheet (SGCC).

The fixing member 9 has a flat plate portion 91, a support piece 92 and a support piece 93, and a support piece 94 and a support piece 95.

The flat plate portion 91 has a flat plate shape. The flat plate portion 91 extends along the first direction DR1 (second direction DR2). The flat plate portion 91 has a first main surface 91a and a second main surface 91b. The second main surface 91b is the opposite surface of the first main surface 91a and faces the main body 2.

The flat plate portion 91 has a first end 91c and a second end 91d. The first end 91c and the second end 91d are ends in the first direction DR1 (second direction DR2). The first end 91c is on the lid member 3 side. The second end 91d is the opposite end of the first end 91c. That is, the second end 91d is on the lid member 4 side.

The flat plate portion 91 has a hole 91e and a hole 91f. The holes 91e and 91f penetrate the flat plate portion 91 along the direction from the first main surface 91a to the second main surface 91b. The direction from the first main surface 91a to the second main surface 91b is along the third direction DR3. The protrusion 7f is not inserted into the hole 91e, and the protrusion 8f is not inserted into the hole 91f.

The support piece 92 has a first portion 92a extending from the first end 91c along the third direction DR3 and an end of the first portion 92a opposite to the flat plate portion 91 along the first direction DR1. It has a bent second portion 92b. The support piece 93 has a first portion 93a extending from the second end 91d along the third direction DR3 and an end of the first portion 93a opposite to the flat plate portion 91 along the second direction DR2. It has a bent second portion 93b.

The support piece 92 and the support piece 93 are locked to the upright wall 35 and the upright wall 45, respectively. As a result, the fixing member 9 regulates the movement of the lid member 3 along the second direction DR2 and also regulates the movement of the lid member 4 along the first direction DR1.

The support piece 94 and the support piece 95 extend from the second main surface 91b toward the main body 2. The support piece 94 supports the annular member 7 (more specifically, the protrusion 7f) along the second direction DR2. The support piece 95 supports the annular member 8 (more specifically, the protrusion 8f) along the first direction DR1. As a result, the fixing member 9 regulates the movement of the annular member 7 along the first direction DR1 and also regulates the movement of the annular member 8 along the second direction DR2.

The support piece 92 and the support piece 94 sandwich the lid member 3 and the annular member 7 in the first direction DR1 (second direction DR2), and the support piece 93 and the support piece 95 are in the first direction DR1 (second direction DR2). The lid member 4 and the annular member 8 are sandwiched in the direction DR2).

The fixing member 9 can be attached by sliding the support piece 92 and the support piece 93 along the fourth direction DR4 in a state where the support piece 92 and the support piece 93 are locked to the upright wall 35 and the upright wall 45, respectively.

(Structure of a hot water device according to the first embodiment)
Hereinafter, the configuration of the water heating device (hereinafter referred to as “hot water device 200”) according to the first embodiment will be described.

As shown in FIG. 3, the water heating device 200 includes a hot water supply pipe 201, a circulation pipe 202, a hot water pouring pipe 203, and a circulation adapter 204. The hot water supply line 201 is a line for supplying clean water. The circulation pipe line 202 is a pipe line for circulating hot water (bathtub water) stored in the bathtub 205. The hot water injection line 203 is a line connecting the hot water supply line 201 and the circulation line 202.

The hot water supply pipe 201 is connected to the water supply at one end and is connected to a curan or the like at the other end. A heat exchanger 201a is arranged on the path of the hot water supply line 201. The clean water passing through the heat exchanger 201a is heated by heat exchange with the combustion gas emitted from the burner 201b. The burner 201b is, for example, a Bunsen burner.

The circulation line 202 is connected to the suction port of the circulation adapter 204 at one end and to the discharge port of the circulation adapter 204 at the other end. The circulation adapter 204 is attached to the bathtub. A sterilization device 100, a heat exchanger 202a, and a pump 202c are arranged on the path of the circulation pipe line 202.

The bath water passing through the heat exchanger 202a is heated by heat exchange with the combustion gas emitted from the burner 202b. The burner 202b is, for example, a Bunsen burner. The pump 202c circulates the bathtub water between the circulation pipe 202 and the bathtub 205 in the direction of the arrow in FIG.

The hot water injection line 203 is connected to the hot water supply line 201 at one end and to the circulation line 202 at the other end. A valve 203a is arranged on the path of the pouring pipe 203. The valve 203a is, for example, a solenoid valve.

<Reheating operation>
When the reheating operation is performed in the hot water device 200, the pump 202c is operated so that the bathtub water is sucked from the bathtub 205 into the circulation pipe 202 from the suction port of the circulation adapter 204. The temperature of the sucked bath water is raised as it passes through the heat exchanger 202a. Further, the inhaled bath water is sterilized by passing through the sterilization device 100. The valve 203a is closed when the reheating operation is being performed.

<Hot water filling operation>
When the hot water filling operation is performed in the hot water device 200, the temperature of the clean water is raised by passing through the heat exchanger 201a. Since the valve 203a is opened when the hot water filling operation is performed, the clean water is supplied to the circulation pipe 202 via the hot water pouring pipe 203. The clean water supplied to the circulation pipe 202 is supplied to the bathtub from the discharge port and the suction port of the circulation adapter 204 via the circulation pipe 202. When the hot water filling operation is being performed, the operation of the sterilization device 100 is stopped.

<Hot water supply operation>
When the hot water supply operation is performed in the hot water device 200, the temperature of the clean water is raised by passing through the heat exchanger 201a. Since the valve 203a is closed when the hot water supply operation is performed, the clean water is not supplied to the circulation pipe 202, but is supplied from the curan or the like connected to the other end of the hot water supply pipe 201. ..

(Effect of sterilization device according to the first embodiment)
The effect of the sterilization device 100 will be described below.

In the sterilization device 100, since the first end 2a is inserted into the recess 31 (the second end 2b is inserted into the recess 41), the lid member 3 (lid member 4) is discharged from the sterilization lamp 1. It is suppressed from being exposed to ultraviolet rays and the like. Therefore, according to the sterilization device 100, deterioration of the lid member 3 (lid member 4) due to ultraviolet rays emitted from the sterilization lamp 1 is suppressed.

In the sterilization device 100, the fixing member 9 regulates the movement of the lid member 3 along the second direction DR2. In the sterilizer 100, the movement of the lid member 4 along the first direction DR1 is restricted. Therefore, according to the sterilization device 100, it is suppressed that the lid member 3 and the lid member 4 come off from the end portion of the main body portion 2 due to the water pressure of the hot water to be sterilized.

In the sterilizer 100, the O-ring 5 is supported by the annular member 7 along the second direction DR2, and the movement of the annular member 7 along the first direction DR1 is regulated by the fixing member 9. In the sterilizer 100, the O-ring 6 is supported by the annular member 8 along the first direction DR1, and the movement of the annular member 8 along the second direction DR2 is regulated by the fixing member 9. Therefore, according to the sterilization device 100, it is suppressed that the O-ring 5 and the O-ring 6 are disengaged due to the water pressure of the hot water to be sterilized.

(Bactericidal device according to the second embodiment)
The sterilization device (hereinafter referred to as "sterilization device 300") according to the second embodiment will be described below. Here, the points different from the sterilization apparatus 100 will be mainly described, and duplicate explanations will not be repeated.

The sterilization device 300 includes a sterilization lamp 1, a main body 2, a lid member 3 and a lid member 4, an O-ring 5 and an O-ring 6, an annular member 7 and an annular member 8, and a fixing member 9. doing. In this respect, the configuration of the sterilization device 300 is common to the configuration of the sterilization device 100. However, regarding the detailed configuration of the annular member 7, the annular member 8 and the fixing member 9, the configuration of the sterilization device 300 is different from the configuration of the sterilization device 100.

As shown in FIG. 4, in the sterilization device 300, the fixing member 9 does not have the support piece 94 and the support piece 95. In the sterilization device 300, the fixing member 9 is restricted from moving along the first direction DR1 by inserting the protruding portion 7f into the hole 91e. In the sterilization device 300, the fixing member 9 is restricted from moving along the second direction DR2 by inserting the protruding portion 8f into the hole 91f.

As described above, since the fixing member 9 in the sterilization device 300 fulfills the same function as the fixing member 9 in the sterilization device 100, the sterilization device 300 has the lid member 3 and the lid member in the same manner as the sterilization device 100. It is possible to suppress the detachment of the O-ring 5 and the O-ring 6 while suppressing the deterioration of the 4 due to ultraviolet rays and the like.

(Bactericidal device according to the third embodiment)
The sterilization device (hereinafter referred to as "sterilization device 400") according to the third embodiment will be described below. Here, the points different from the sterilization apparatus 100 will be mainly described, and duplicate explanations will not be repeated.

The sterilization device 400 includes a sterilization lamp 1, a main body 2, a lid member 3 and a lid member 4, an O-ring 5 and an O-ring 6, an annular member 7 and an annular member 8, and a fixing member 9. doing. In this respect, the configuration of the sterilization device 400 is common to the configuration of the sterilization device 100. However, regarding the detailed configuration of the annular member 7 and the annular member 8, the configuration of the sterilizing device 400 is different from the configuration of the sterilizing device 100.

As shown in FIG. 5, in the sterilization device 400, the annular member 7 protrudes from the tip surface 7fa of the protruding portion 7f and further has a convex portion 7g inserted into the hole 91e. The convex portion 7g has a first side surface 7ga and a second side surface 7gb. The first side surface 7ga and the second side surface 7gb form an end surface in the fourth direction DR4.

In a cross-sectional view orthogonal to the first direction DR1 (second direction DR2), the tip surface 7fa and the first side surface 7ga form an angle θ1, and the tip surface 7fa and the second side surface 7gb form an angle θ2. ing. The angle θ1 is an obtuse angle (more than 90 °). The angle θ2 is an acute angle or a right angle (the angle θ2 is 90 ° or less).

Similarly, in the sterilization device 400, the annular member 8 protrudes from the tip surface 8fa of the protruding portion 8f and further has a convex portion 8g inserted into the hole 91f. The convex portion 8g has a first side surface 8ga and a second side surface 8gb as end faces in the fourth direction DR4. The angle θ3 formed by the tip surface 8fa and the first side surface 8ga is an obtuse angle, and the angle θ4 formed by the tip surface 8fa and the second side surface 8gb is an acute angle or a right angle.

Since the angle θ1 is an obtuse angle, the convex portion 7g hinders the sliding when the fixing member 9 is attached by sliding it from the first side surface 7ga side to the second side surface 7gb side along the fourth direction DR4. Hateful. On the other hand, when the fixing member 9 is to be slid from the second side surface 7gb side to the first side surface 7ga side, the slide is hindered by the convex portion 7g because the angle θ2 is an acute angle or a right angle. The convex portion 8g also functions in the same manner as the convex portion 7g. Therefore, according to the sterilization device 400, the fixing member 9 can be prevented from coming off.

(Bactericidal device according to the fourth embodiment)
The sterilization device (hereinafter referred to as "sterilization device 500") according to the fourth embodiment will be described below. Here, the points different from the sterilization apparatus 100 will be mainly described, and duplicate explanations will not be repeated.

The sterilization device 500 includes a sterilization lamp 1, a main body 2, a lid member 3 and a lid member 4, an O-ring 5 and an O-ring 6, an annular member 7 and an annular member 8, and a fixing member 9. doing. In this respect, the configuration of the sterilization device 500 is common to the configuration of the sterilization device 100. However, regarding the detailed configuration of the lid member 3, the lid member 4, the annular member 7, and the annular member 8, the configuration of the sterilizing device 500 is different from the configuration of the sterilizing device 100.

As shown in FIG. 6, in the sterilization device 500, the lid member 3 has a concave portion 36, and the annular member 7 has a convex portion 7h. The recess 36 is formed on the second surface 3b. In the recess 36, the second surface 3b is recessed toward the first surface 3a. The convex portion 7h is formed on the first surface 7a. The convex portion 7h projects from the first surface 7a toward the side opposite to the second surface 7b (along the second direction DR2). The convex portion 7h is inserted into the concave portion 36. As a result, the rotation of the annular member 7 with respect to the lid member 3 is suppressed. In the sterilization device 500, the lid member 4 and the annular member 8 have the same configuration as the lid member 3 and the annular member 7, respectively. That is, the lid member 4 has a concave portion 46, and the annular member 8 has a convex portion 8h.

According to the sterilizer 500, since the rotation of the annular member 7 with respect to the lid member 3 (rotation of the annular member 8 with respect to the lid member 4) is suppressed, the annular member 7 is assembled to the lid member 3 (the lid of the annular member 8). Positioning at the time of assembling to the member 4) becomes easy. Further, according to the sterilization device 500, the rotation of the annular member 7 with respect to the lid member 3 (rotation of the annular member 8 with respect to the lid member 4) causes the annular member 7 (annular member 8) to be unsupported by the fixing member 9. It can be suppressed.

Although the embodiment of the present invention has been described above, it is possible to modify the above-described embodiment in various ways. Moreover, the scope of the present invention is not limited to the above-described embodiment. The scope of the present invention is indicated by the scope of claims and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

The above embodiment is particularly advantageously applied to a sterilizer and a water heater.

1 Bactericidal lamp, 2 Main body, 2a 1st end, 2b 2nd end, 2c inner peripheral surface, 2d outer peripheral surface, 3,4 lid member, 3a 1st surface, 3b 2nd surface, 4 lid member, 4a first 1st surface, 4b 2nd surface, 5,6 O-ring, 7,8 annular member, 7a 1st surface, 7b 2nd surface, 7c inner peripheral surface, 7d outer peripheral surface, 7e support part, 7f protruding part, 7fa tip surface , 7g convex part, 7h convex part, 7ga first side surface, 7gb second side surface, 7g convex part, 8 annular member, 8a first surface, 8b second surface, 8c inner peripheral surface, 8d outer peripheral surface, 8e support part, 8f protruding part, 8fa tip surface, 8g convex part, 8ga first side surface, 8gb second side surface, 8h convex part, 9 fixing member, 21 disinfection lamp protection pipe, 22 flow path, 31 concave part, 32 insertion hole, 33 lid , 34 Drain, 35 Standing wall, 36 Recess, 41 Recess, 42 Insertion hole, 43 Lid, 44 Water inlet, 45 Standing wall, 46 Recess, 91 Flat plate, 91a 1st main surface, 91b 2nd main surface, 91c 1st end, 91d 2nd end, 91e hole, 91f hole, 92 support piece, 92a 1st part, 92b 2nd part, 93 support piece, 93a 1st part, 93b 2nd part, 94,95 support piece, 100 Disinfectant, 200 hot water, 300, 400, 500 Disinfectant, 201 hot water supply line, 201a heat exchanger, 201b burner, 202 circulation line, 202a heat exchanger, 202b burner, 202c pump, 203 hot water injection pipe Road, 203a valve, 204 circulation adapter, 205 bathtub, DR1 1st direction, DR2 2nd direction, DR3 3rd direction, DR4 4th direction.

Claims (6)

With a disinfectant lamp
The sterilization lamp is housed inside, and has a first end, a second end opposite to the first end, and a tubular main body portion in which the first end is open.
A lid member having a recess into which the first end is inserted,
An O-ring arranged between the outer peripheral surface of the main body and the inner wall surface of the recess facing the outer peripheral surface of the main body.
An annular member through which the main body is inserted and capable of supporting the O-ring,
Equipped with a fixing member
The fixing member regulates the movement of the lid member along the direction from the second end to the first end, and the movement of the annular member along the direction from the first end to the second end. A sterilizer that is configured to regulate. The fixing member has a flat plate portion extending in a direction from the first end to the second end, and a first support piece.
The first support piece extends from the flat plate portion toward the main body portion, and supports the annular member along the direction from the second end to the first end. The sterilization device described in. The fixing member further has a second support piece that is locked to the lid member.
The sterilization apparatus according to claim 2, wherein the second support piece sandwiches the lid member and the annular member with the first support piece. The annular member has a protruding portion protruding from the outer peripheral surface of the annular member toward the flat plate portion.
The sterilization apparatus according to claim 2 or 3, wherein the first support piece supports the protruding portion along a direction from the second end to the first end. The fixing member has a flat plate portion extending in a direction from the first end to the second end.
The flat plate portion includes a hole penetrating the flat plate portion along the thickness direction.
The sterilization apparatus according to claim 1, wherein the annular member has a protruding portion protruding from the outer peripheral surface of the annular member so as to be inserted into the hole. A circulation route that circulates hot water in the bathtub,
A water heating device including the sterilization device according to any one of claims 1 to 5, which is arranged on the circulation path.

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