A freezing-resistant overflow deep ultraviolet sterilization device

Abstract

The present invention relates to the field of sterilization technology, and discloses a freezing-resistant overflow-type deep ultraviolet sterilization device, comprising a main structure, a sterilization structure and a mounting frame; the main structure can be detachably mounted in the mounting frame, and the sterilization structure can be detachably placed on the main structure. The device has a small overall size, can be configured with a mounting bracket, and can be installed in various forms to adapt to different occasions; an anti-expansion sealing ring is provided in the device, which can effectively avoid freezing and cracking caused by freezing of water in the pipeline due to cold weather, and with the help of a scraper in a cleaning unit, it can move to a certain extent in the quartz tube, and also prevent expansion caused by freezing, thereby providing certain protection for the quartz tube; with the help of a reflective layer on the PTFE outer tube, ultraviolet light can be reflected multiple times inside the quartz tube, effectively improving the light utilization rate and improving the overall sterilization effect.

Description

Technical Field

[0001] The present invention relates to the technical field of sterilization, in particular to a freezing-resistant overflow-type deep ultraviolet sterilization device. Background Art

[0002] Existing smart toilets, coffee machines, and water dispensers do not have a good water sterilization effect, and some even lack corresponding sterilization structures. For example, pet water dispensers, etc., so long-term use of these devices can be harmful to health. Moreover, in cold weather in northern China, these devices are particularly prone to freezing and becoming unusable in some places with poor insulation. Therefore, a freezing-resistant overflow deep ultraviolet sterilization device is designed. Summary of the Invention

[0003] The object of the present invention is to provide a freezing-resistant overflow deep ultraviolet sterilization device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a freeze-resistant over-flow deep ultraviolet sterilization device, comprising a main structure, a sterilization structure and a mounting frame; the main structure can be detachably installed in the mounting frame, and the sterilization structure can be detachably placed on the main structure; both the left and right ends of the mounting frame are concave structures, and the middle front side wall is provided with a fixing ear, and the middle lower wall of the mounting frame is a through structure.

[0005] Preferably, the main structure includes a main shell, an anti-expansion sealing ring, a bottom cover, a top cover, a conveying unit and a cleaning unit; the left and right ends of the main shell are both octagonal inner cavities with circular holes as the tube structure, and the middle upper wall is provided with a connected rectangular shell, the left and right ends of the main shell are both provided with octagonal protrusions, and the middle part of the protrusion at the left end is provided with a protruding round tube interface, the main shell is provided with a first transfer threaded hole near the middle lower wall, the left front side wall of the main shell is provided with a water outlet, the inside of the main shell is provided with a partition near the middle, and a sleeve is provided in the middle of the partition, a buckle groove is provided in the middle of the upper wall of the rectangular shell of the main shell, the anti-expansion sealing ring is detachably placed in the left end of the main shell, the One end of the anti-expansion sealing ring is movably inserted in the circular tube interface, and the other end is detachably sleeved on the circular tube interface. The bottom cover is detachably buckled on the left end of the main shell and pressed tightly against the left side of the anti-expansion sealing ring. The bottom cover is an octagonal structure, and a compensation port is provided in the middle of the left side wall. The bottom cover is fixed by a number of first bolts. The top cover is an octagonal structure, and a water inlet is provided on the right side wall. The side wall of the water inlet is provided with a transfer interface. The top cover is detachably placed on the right end of the main shell and fixed by a number of first bolts. The conveying unit is detachably inserted in the right end of the main shell and sealed on the sleeve of the partition. The conveying unit is connected to the top cover. The cleaning unit is fixed on the sleeve and movably inserted in the conveying unit.

[0006] Preferably, the cleaning unit includes a first sealing gasket, a catheter, a scraper plug, a limit frame, a pair of pull rods and a pair of springs; the first sealing gasket is fixedly mounted on the sleeve, one end of the catheter is detachably mounted on the sleeve, and is connected to the first sealing gasket, a plurality of guide holes are provided on the side wall of one end of the catheter, one end of the scraper plug is movably inserted into the other end of the catheter, and the other end of the scraper plug is a concave structure on both sides, and a plurality of flow holes are equidistantly provided in the middle of the other end of the scraper plug, the limit frame is fixedly mounted on the other end of the catheter, one end of a pair of pull rods are respectively fixedly connected to the left side wall of the other end of the scraper plug, and the other end of the pull rods are respectively movably passed through the two ends of the limit frame, a pair of springs are respectively movably mounted on the other end of the pull rod, and are located on the left side of the limit frame, and the spring can be compressed by the pull rod moving to the right.

[0007] Preferably, the conveying unit includes a quartz tube, a second sealing gasket, a PTFE outer tube, a reflective layer, two pairs of heating rods, a transfer tube and a rubber hose; the quartz tube is a transparent tube body, and a second transfer threaded hole is opened on the lower wall of the middle part. The quartz tube is movably inserted into the right end of the main shell and is sleeved on the scraper plug and the guide tube. The inner wall of the quartz tube fits with the other end of the scraper plug. The quartz tube is tightly pressed against the first sealing gasket, and the second transfer threaded hole corresponds to the first transfer threaded hole. The second sealing gasket is detachably buckled on the right end of the quartz tube and fits on the top cover. The middle part of the second sealing gasket is opened. The through hole is connected to the top cover, the PTFE outer tube is fixedly mounted on the outside of the quartz tube, and a projection port is opened in the middle of the upper wall of the PTFE outer tube. The reflective layer is fixedly arranged on the inner wall of the PTFE outer tube and fits on the outer wall of the quartz tube. One end of the two pairs of heating rods are respectively fixed through the partition, and one end is located on the left side of the partition. The other end of the heating rod is located on the right side of the partition and is respectively located on the outside of the PTFE outer tube. One end of the adapter tube is movably inserted into the first adapter threaded hole and movably screwed into the second adapter threaded hole. The two ends of the rubber hose are respectively detachable and inserted into the adapter interface and the adapter tube.

[0008] Preferably, the sterilization structure includes a lamp panel, several ultraviolet lamps and an adapter block; the lamp panel is detachably buckled on a rectangular shell in the middle of the main shell, and is located in a buckle groove and fixed by a number of second bolts. Several ultraviolet lamps are respectively fixed on the lower wall of the lamp panel and correspond to the projection port of the PTFE outer tube. A pair of wire tubes are fixed on the adapter block, and the wire tubes are respectively fixedly connected to the upper wall of one end of the lamp panel. A contact piece is provided in the adapter block, and the contact piece is connected to the ultraviolet lamp through a wire passing through the wire tube.

[0009] Preferably, the reflective layer can refract the light of the ultraviolet lamp.

[0010] Preferably, the left and right ends of the mounting frame can be detachably mounted on the bottom cover and the top cover respectively, and the mounting angle can be adjusted.

[0011] Preferably, a sealing cap is detachably screwed onto the adapter port and the adapter tube.

[0012] Preferably, there is a certain distance between the other end of the scraper plug and the right end of the quartz tube.

[0013] The present invention proposes a freezing-resistant overflow deep ultraviolet sterilization device, which has the following beneficial effects:

[0014] 1. The present invention has a small overall size and can be equipped with a mounting bracket for various installation forms to suit different occasions;

[0015] 2. The present invention is equipped with an anti-expansion sealing ring, which can effectively prevent the freezing cracking caused by the freezing of water in the pipeline in cold weather. In addition, the scraper plug in the cleaning unit can move to a certain extent in the quartz tube, which can also prevent the expansion caused by ice and provide a certain degree of protection for the quartz tube.

[0016] 3. The present invention uses the reflective layer on the PTFE outer tube to enable the ultraviolet light to be reflected multiple times inside the quartz tube, effectively improving the light utilization rate and the overall sterilization effect;

[0017] 4. The present invention can also drive the heating rod to work and heat up in a cold environment to prevent the liquid in the quartz tube from freezing; it can also melt the frozen internal liquid by heat, and discharge it with the help of a transfer tube to reduce the internal pressure and promote more melting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the installation display structure of the present invention.

[0019] Figure 2 This is a schematic diagram showing the structure of the first assembly of the present invention.

[0020] Figure 3 This is a schematic diagram showing the structure of the second assembly of the present invention.

[0021] Figure 4 This is a schematic diagram showing the structure of the third assembly of the present invention.

[0022] Figure 5 This is a schematic diagram showing the structure of the fourth assembly of the present invention.

[0023] Figure 6 This is a schematic diagram showing the structure of the fifth assembly of the present invention.

[0024] Figure 7 It is a schematic diagram of the split display structure of the present invention.

[0025] Figure 8 The figure is a schematic diagram showing the structure of the combination of the present invention.

[0026] Figure 9 It is a partial cross-sectional structural schematic diagram of the present invention.

[0027] Figure 10 For the present invention Figure 7 Schematic diagram of the local enlarged structure at point A in the figure.

[0028] Figure 11 For the present invention Figure 7 Schematic diagram of the local enlarged structure at point B in the figure.

[0029] Figure 12 For the present invention Figure 7Schematic diagram of the local enlarged structure at point C in the figure.

[0030] In the figure: 1. Main structure; 11. Main body shell; 12. Anti-expansion sealing ring; 13. Bottom cover; 14. Top cover; 15. Conveying unit; 151. Quartz tube; 152. Second sealing gasket; 153. PTFE outer tube; 154. Reflective layer; 155. Heating rod; 156. Adapter tube; 157. Rubber hose; 16. Cleaning unit; 161. First sealing gasket; 162. Conduit; 163. Scraper plug; 164. Limiting frame; 165. Pull rod; 166. Spring; 2. Sterilization structure; 21. Light board; 22. Ultraviolet lamp; 23. Adapter block; 3. Mounting frame; 4. Sealing cap; 5. Partition; 6. Socket. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figure 1-12 The present invention provides a technical solution: a freezing-resistant over-flow deep ultraviolet sterilization device, comprising a main structure 1, a sterilization structure 2 and a mounting frame 3; the main structure 1 can be detachably installed in the mounting frame 3, and the sterilization structure 2 can be detachably placed on the main structure 1; the left and right ends of the mounting frame 3 are both concave structures, and the middle front side wall is provided with a fixing ear, and the middle lower wall of the mounting frame 3 is a through structure.

[0033] The following are the models and functions of the electrical components in this case:

[0034] Ultraviolet lamp: It is an existing technology and can be used for existing ultraviolet sterilization.

[0035] The following are the models and functions of the components in this case:

[0036] The first sealing gasket is made of anti-ultraviolet silicone injection molding.

[0037] Second sealing gasket: It is made of anti-UV silicone injection molding.

[0038] Light board: It is made of aluminum structure to facilitate heat dissipation.

[0039] As a preferred embodiment, further, the main structure 1 includes a main shell 11, an anti-expansion sealing ring 12, a bottom cover 13, a top cover 14, a conveying unit 15 and a cleaning unit 16; the left and right ends of the main shell 11 are both octagonal inner cavities with circular holes as the tube structure, and the middle upper wall is provided with a connected rectangular shell, the left and right ends of the main shell 11 are both provided with octagonal protruding parts, and the middle part of the protruding part at the left end is provided with a protruding circular tube interface, the main shell 11 is provided with a first transfer threaded hole near the middle lower wall, the left front side wall of the main shell 11 is provided with a water outlet, the inside of the main shell 11 is provided with a partition 5 near the middle, and the middle of the partition 5 is provided with a sleeve 6, the middle of the upper wall of the rectangular shell of the main shell 11 is provided with a buckle groove, and the anti-expansion sealing ring 12 is removably placed inside the left end of the main shell 11 One end of the anti-expansion sealing ring 12 is movably inserted in the circular tube interface, and the other end is detachably sleeved on the circular tube interface. The bottom cover 13 is detachably buckled on the left end of the main shell 11 and is tightly pressed against the left side of the anti-expansion sealing ring 12. The bottom cover 13 is an octagonal structure, and a compensation port is provided in the middle of the left side wall. The bottom cover 13 is fixed by a plurality of first bolts. The top cover 14 is an octagonal structure, and a water inlet is provided on the right side wall. The side wall of the water inlet is provided with a transfer interface. The top cover 14 is detachably placed on the right end of the main shell 11 and fixed by a plurality of first bolts. The conveying unit 15 is detachably inserted in the right end of the main shell 11 and is sealed on the sleeve 6 of the partition 5. The conveying unit 15 is connected to the top cover 14. The cleaning unit 16 is fixedly sleeved on the sleeve 6 and movably inserted in the conveying unit 15.

[0040] As a preferred solution, further, the cleaning unit 16 includes a first sealing gasket 161, a conduit 162, a scraping plug 163, a limiting frame 164, a pair of pull rods 165 and a pair of springs 166; the first sealing gasket 161 is fixedly sleeved on the sleeve 6, one end of the conduit 162 is detachably sleeved on the sleeve 6 and is connected to the first sealing gasket 161, a plurality of guide holes are opened on the side wall of one end of the conduit 162, one end of the scraping plug 163 is movably inserted into the other end of the conduit 162, and the scraping plug 163 is movably inserted into the other end of the conduit 162. One end is a concave structure on both sides, and a number of flow holes are equidistantly opened in the middle of the other end of the scraper plug 163. The limit frame 164 is fixedly sleeved on the other end of the conduit 162. One end of a pair of pull rods 165 is respectively fixedly connected to the left side wall of the other end of the scraper plug 163, and the other ends of the pull rods 165 are respectively movable through the two ends of the limit frame 164. A pair of springs 166 are respectively movably sleeved on the other end of the pull rod 165 and are located on the left side of the limit frame 164. The springs 166 can be compressed by the pull rod 165 moving to the right.

[0041] As a preferred embodiment, further, the conveying unit 15 includes a quartz tube 151, a second sealing gasket 152, a PTFE outer tube 153, a reflective layer 154, two pairs of heating rods 155, a transfer tube 156 and a rubber hose 157; the quartz tube 151 is a transparent tube body, and a second transfer threaded hole is opened on the lower wall of the middle part. The quartz tube 151 is movably inserted into the right end of the main shell 11 and is sleeved on the scraper plug 163 and the conduit 162. The inner wall of the quartz tube 151 fits with the other end of the scraper plug 163. The quartz tube 151 is tightly pressed against the first sealing gasket 161, and the second transfer threaded hole corresponds to the first transfer threaded hole. The second sealing gasket 152 is detachably buckled on the right end of the quartz tube 151 and fits on the top cover 14. A through hole connected to the top cover 14 is provided in the middle of the second sealing gasket 152, the PTFE outer tube 153 is fixedly sleeved on the outside of the quartz tube 151, and a projection port is provided in the middle of the upper wall of the PTFE outer tube 153, the reflective layer 154 is fixedly arranged on the inner wall of the PTFE outer tube 153, and is attached to the outer wall of the quartz tube 151, one end of the two pairs of heating rods 155 are respectively fixed through the partition 5, and one end is located on the left side of the partition 5, and the other end of the heating rod 155 is located on the right side of the partition 5, and are respectively located on the outside of the PTFE outer tube 153, one end of the transfer tube 156 is movably passed through the first transfer threaded hole, and movably screwed into the second transfer threaded hole, and the two ends of the rubber hose 157 are respectively detachably inserted into the transfer interface and the transfer tube 156.

[0042] As a preferred embodiment, further, the sterilization structure 2 includes a lamp board 21, several ultraviolet lamps 22 and an adapter block 23; the lamp board 21 is detachably buckled on the rectangular shell in the middle of the main shell 11, and is located in the buckle groove and fixed by several second bolts. Several ultraviolet lamps 22 are respectively fixed on the lower wall of the lamp board 21, and correspond to the projection port of the PTFE outer tube 153. A pair of wire tubes are fixed on the adapter block 23, and the wire tubes are respectively fixedly connected to the upper wall of one end of the lamp board 21. A contact piece is provided in the adapter block 23, and the contact piece is connected to the ultraviolet lamp 22 through a wire passing through the wire tube.

[0043] As a preferred solution, further, the reflective layer 154 can refract the light of the ultraviolet lamp 22 to improve the utilization rate of the ultraviolet light.

[0044] As a preferred solution, further, the left and right ends of the mounting frame 3 can be detachably mounted on the bottom cover 13 and the top cover 14 respectively, and the mounting angle can be adjusted for installation needs, such as adjusting the installation according to actual conditions.

[0045] As a preferred solution, further, a sealing cap 4 is detachably screwed onto the adapter interface and the adapter tube 156 to facilitate sealing when not connected.

[0046] As a preferred solution, further, there is a certain distance between the other end of the scraper plug 163 and the right end of the quartz tube 151, so that the scraper plug 163 can be moved to compensate for the space to prevent the water in the quartz tube 151 at the right end of the scraper plug 163 from freezing and breaking.

[0047] According to the instruction manual Figure 1-12 It can be seen that the working principle is as follows:

[0048] The water inlet of the top cover 14 serves as the water inlet end, and the water outlet serves as the water outlet end; when water enters from the top cover 14, it passes through the second sealing gasket 152 and flows into the quartz tube 151, and is energized by connecting the adapter block 23 in the sterilization structure 2, so that the ultraviolet lamp 22 on the lamp board 21 lights up and irradiates, and the light of the ultraviolet lamp 22 passes through the projection port of the PTFE outer tube 153 and irradiates the wall surface of the quartz tube 151 and enters the water; and the refraction of the light by the reflective layer 154 increases the irradiation range of the light and improves the sterilization effect; secondly, the quartz tube 151 and the first sealing gasket 161 are tightly sealed, that is, after deep sterilization, the water passes through the conduit 162 in the cleaning unit 16, and then flows through the sleeve 6 of the partition 5 into the left end of the main shell 11 in the main structure 1, which is located in the water outlet part, and then flows out from the water outlet; when the internal hands are cold and frozen, one end of the anti-expansion bolt can be used to compress it toward the bottom cover 13 to prevent freezing and cracking; and The scraper plug 163 will be forced to move to the right, and the pull rod 165 will move the compression spring 166 on the limit frame 164 to increase the space in the quartz tube 151 to enhance antifreeze; it can also drive the heating rod 155 to heat up, so that the temperature inside the quartz tube 151 is constant to prevent freezing or for thawing, especially one end of the heating rod 155 is located in the water outlet end, so that both sides of the partition 5 can be used for antifreeze and thawing; if the electric heating rod 155 is used for thawing, the sealing cap 4 on the transfer tube 156 can be removed to allow the melted water in the quartz tube 151 to flow out, avoiding the lack of internal space affecting the melting speed; and the transfer tube 156 can be connected to the transfer interface of the top cover 14 with the help of a rubber hose 157, so that the internal melted and heated water flows into the top cover 14, melts the inside of the top cover 14, and improves the overall melting speed; finally, the overall main body shell 11 is installed, and can be installed in multiple directions and angles with the help of the mounting frame 3.

[0049] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A freezing-resistant overflow deep ultraviolet sterilization device, characterized by: The invention comprises a main structure (1), a sterilization structure (2) and a mounting frame (3); the main structure (1) can be detachably mounted in the mounting frame (3), and the sterilization structure (2) can be detachably mounted on the main structure (1); both left and right ends of the mounting frame (3) are concave structures, and a fixing ear is provided on the middle front side wall; the middle lower wall of the mounting frame (3) is a through structure; The main structure (1) comprises a main body shell (11), an anti-expansion sealing ring (12), a bottom cover (13), a top cover (14), a conveying unit (15), and a cleaning unit (16); The main shell (11) has an octagonal inner cavity with a circular hole at both ends, and a connected rectangular shell is provided on the middle upper wall. The main shell (11) has an octagonal protrusion at both ends, and a protruding circular tube interface is provided in the middle of the protrusion at the left end. The main shell (11) has a first transfer threaded hole near the middle lower wall. The left front side wall of the main shell (11) is provided with a water outlet. A partition (5) is provided near the middle of the main shell (11), and a sleeve (6) is provided in the middle of the partition (5). A buckle groove is provided in the middle of the upper wall of the rectangular shell of the main shell (11). The anti-expansion sealing ring (12) is detachably placed in the left end of the main shell (11). One end of the anti-expansion sealing ring (12) is movably inserted into the circular tube interface, and the other end is detachably sleeved on the circular tube. On the interface, the bottom cover (13) is detachably buckled on the left end of the main shell (11) and is pressed against the left side of the anti-expansion sealing ring (12). The bottom cover (13) is an octagonal structure and a compensation port is provided in the middle of the left side wall. The bottom cover (13) is fixed by a plurality of first bolts. The top cover (14) is an octagonal structure and a water inlet is provided on the right side wall. The side wall of the water inlet is provided with a transfer interface. The top cover (14) is detachably placed on the right end of the main shell (11) and is fixed by a plurality of first bolts. The conveying unit (15) is detachably inserted into the right end of the main shell (11) and is sealed on the sleeve (6) of the partition (5). The conveying unit (15) is connected to the top cover (14). The cleaning unit (16) is fixedly sleeved on the sleeve (6) and movably inserted into the conveying unit (15); The conveying unit (15) includes a quartz tube (151), a second sealing gasket (152), a PTFE outer tube (153), a reflective layer (154), two pairs of heating rods (155), a transfer tube (156), and a rubber hose (157); The quartz tube (151) is a transparent tube, and a second transfer threaded hole is opened on the lower wall of the middle part. The quartz tube (151) is movably inserted into the right end of the main shell (11) and is mounted on the scraper plug (163) and the guide tube (162). The inner wall of the quartz tube (151) is fitted with the other end of the scraper plug (163). The quartz tube (151) is tightly pressed against the first sealing gasket (161), and the second transfer threaded hole corresponds to the first transfer threaded hole. The second sealing gasket (152) is detachably buckled on the right end of the quartz tube (151) and fits on the top cover (14). A through hole connected to the top cover (14) is opened in the middle of the second sealing gasket (152). The PTFE outer tube (153) is fixed. The quartz tube (151) is sleeved on the outside of the quartz tube (151), and a projection port is opened in the middle of the upper wall of the PTFE outer tube (153). The reflective layer (154) is fixedly arranged on the inner wall of the PTFE outer tube (153) and is attached to the outer wall of the quartz tube (151). One end of the two pairs of heating rods (155) is fixedly passed through the partition (5) and one end is located on the left side of the partition (5). The other end of the heating rod (155) is located on the right side of the partition (5) and is respectively located on the outside of the PTFE outer tube (153). One end of the transfer tube (156) is movably passed through the first transfer threaded hole and movably screwed into the second transfer threaded hole. The two ends of the rubber hose (157) are respectively detachably inserted into the transfer interface and the transfer tube (156).

2. The freeze-resistant overflow deep ultraviolet sterilization device according to claim 1, characterized in that: The cleaning unit (16) comprises a first sealing gasket (161), a guide tube (162), a scraping plug (163), a limiting frame (164), a pair of pull rods (165), and a pair of springs (166); The first sealing gasket (161) is fixedly mounted on the sleeve (6), one end of the conduit (162) is detachably mounted on the sleeve (6) and is connected to the first sealing gasket (161), a plurality of flow guide holes are provided on the side wall of one end of the conduit (162), one end of the scraper plug (163) is movably inserted into the other end of the conduit (162), and the other end of the scraper plug (163) is a concave structure on both sides, and a plurality of flow holes are equidistantly provided in the middle of the other end of the scraper plug (163). The limiting frame (164) is fixedly mounted on the other end of the conduit (162), one end of a pair of pull rods (165) is fixedly connected to the left side wall of the other end of the scraper plug (163), and the other end of the pull rod (165) is movable through the two ends of the limiting frame (164), and a pair of springs (166) are movably mounted on the other end of the pull rod (165) and are located on the left side of the limiting frame (164). The springs (166) can be compressed by the pull rod (165) moving to the right.

3. The freeze-resistant overflow deep ultraviolet sterilization device according to claim 2, characterized in that: The sterilization structure (2) includes a lamp panel (21), a plurality of ultraviolet lamps (22) and an adapter block (23); The lamp panel (21) is detachably mounted on a rectangular shell in the middle of the main housing (11), and is located in a buckle groove and fixed by a plurality of second bolts. A plurality of ultraviolet lamps (22) are respectively fixedly arranged on the lower wall of the lamp panel (21) and correspond to the projection opening of the PTFE outer tube (153). A pair of wire tubes are fixedly arranged on the adapter block (23), and the wire tubes are respectively fixedly connected to the upper wall of one end of the lamp panel (21). A contact piece is arranged in the adapter block (23), and the contact piece is connected to the ultraviolet lamp (22) through a wire passing through the wire tube.

4. The freeze-resistant overflow deep ultraviolet sterilization device according to claim 3, characterized in that: The reflective layer (154) is capable of refracting the light of the ultraviolet lamp (22).

5. The freeze-resistant overflow deep ultraviolet sterilization device according to claim 4, characterized in that: The left and right ends of the mounting frame (3) are detachably mounted on the bottom cover (13) and the top cover (14), respectively, and the mounting angle can be adjusted.

6. The freeze-resistant overflow deep ultraviolet sterilization device according to claim 5, characterized in that: A sealing cap (4) is detachably screwed onto the transfer port and the transfer tube (156).

7. The freeze-resistant overflow deep ultraviolet sterilization device according to claim 6, characterized in that: There is a certain distance between the other end of the scraper plug (163) and the right end of the quartz tube (151).

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