Ultraviolet disinfection device for hotel drinking water

Abstract

The invention discloses an ultraviolet disinfection device for drinking water in hotels, and particularly relates to the technical field of ultraviolet disinfection, the ultraviolet disinfection device comprises a disinfection cylinder, the upper part of the outer side of the disinfection cylinder is provided with a water inlet pipe and a water outlet pipe; the partition assembly is nested in the disinfection barrel body, the partition assembly comprises a sealing top plate, a supporting column is fixed to the middle of the lower side of the sealing top plate, and four partition plates and four light guide plates are fixed to the side wall of the supporting column at equal intervals; the cover plate assembly is in threaded connection with the separation assembly; and the lower parts of the four disinfection assemblies penetrate through the sealing top plate and are respectively nested in the four light guide plates in a sliding manner. According to the invention, the disinfection cavity is divided into eight disinfection chambers through the separation assemblies, and water flows through the eight disinfection chambers in sequence, so that the flow path of water in the disinfection cylinder is prolonged, the ultraviolet radiation time of the water is prolonged, the disinfection effect on the water is effectively improved, and the disinfection assemblies are very rapid and convenient to mount and dismount.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ultraviolet disinfection, in particular to a kind of hotel drinking water ultraviolet disinfection device. BACKGROUND

[0002] Drinking water is an important material indispensable in human life, and its safety and hygiene are crucial to human health. In order to ensure water safety, the drinking water of the hotel needs to be disinfected before use. Ultraviolet irradiation is a common disinfection method for sterilizing water. Ultraviolet disinfection technology is based on modern epidemiology, medicine and photodynamic principles, and uses specially designed high-efficiency, high-intensity and long-life UVC band ultraviolet light to irradiate flowing water, killing various bacteria, viruses, parasites, algae and other pathogens in the water.

[0003] Currently, when the ultraviolet disinfection device purifies and sterilizes the water of the hotel, the length of the cylinder of the ultraviolet disinfection device is relatively short, so the water flow through the ultraviolet disinfection device is relatively short, which makes the sterilization effect of the ultraviolet disinfection device on the water not good, and the ultraviolet lamp tube in the ultraviolet disinfection device is mostly fixed and installed by bolts, which is inconvenient to install and replace. SUMMARY

[0004] The purpose of the present application is to provide a kind of hotel drinking water ultraviolet disinfection device to solve the above technical deficiencies.

[0005] In order to achieve the above purpose, the present application provides the following technical scheme: a kind of hotel drinking water ultraviolet disinfection device, comprising: A disinfection cylinder, four L-shaped pads and four vertical pads are fixed to the inner wall of the disinfection cylinder, a sealing sleeve is fixed to the middle of the bottom inner wall of the disinfection cylinder, and a water inlet pipe and a drain pipe are provided on the outer side of the upper part of the disinfection cylinder; A separation assembly is nested in the disinfection cylinder, the separation assembly comprises a sealing top plate, a support column is fixed to the lower side of the middle of the sealing top plate, four separation plates and four light guide plates are fixed to the side wall of the support column at equal intervals, and three of the separation plates are provided with water inlet openings in the upper part; A cover plate assembly is detachably installed on the top of the disinfection cylinder, and the cover plate assembly is threadedly connected with the separation assembly; Four disinfection assemblies, the lower part of the four disinfection assemblies penetrates through the sealing top plate and is slidably nested in the four light guide plates, and the upper part of the four disinfection assemblies is detachably connected with the sealing top plate.

[0006] Preferably, the interior of the disinfection cylinder is provided with a disinfection cavity, four vertical pads are fixed on the side wall of the disinfection cavity, the vertical edges of the four L-shaped pads are fixed on the side wall of the disinfection cavity, the horizontal edges of the four L-shaped pads are fixed on the bottom wall of the disinfection cavity, and the ends of the horizontal edges of the four L-shaped pads are connected with the sealing sleeve. The four L-shaped pads and the four vertical pads are arranged at intervals. Two parallel first sealing grooves are formed on each of the four L-shaped pads, and two parallel second sealing grooves are formed on each of the four vertical pads. The four partition plates and the four light guide plates are arranged at intervals, L-shaped sealing gaskets are fixedly sleeved on the outer side edges of the four partition plates, two parallel first sealing sliding strips are fixed on the L-shaped sealing gaskets, the first sealing sliding strips are slidingly nested in the first sealing grooves, vertical pads are fixedly sleeved on the edges of the one ends of the four light guide plates away from the supporting columns, two parallel second sealing sliding strips are fixed on the vertical pads, and the second sealing sliding strips are slidingly nested in the second sealing grooves. The arrangement of the L-shaped sealing gaskets and the L-shaped pads ensures the sealing between the partition plates and the inner wall of the disinfection cavity after installation, and the arrangement of the vertical pads and the vertical pads ensures the sealing between the light guide plates and the side wall of the disinfection cavity after installation.

[0007] Preferably, the top of the partition plate and the light guide plate is fixedly connected with the lower side of the sealing top plate, the vertical edge length of the partition plate is longer than the vertical edge length of the light guide plate, and a gap is arranged between the bottom of the light guide plate and the bottom wall of the disinfection cavity. The four partition plates and the four light guide plates sequentially divide the disinfection cavity into a first disinfection chamber, a second disinfection chamber, a third disinfection chamber, a fourth disinfection chamber, a fifth disinfection chamber, a sixth disinfection chamber, a seventh disinfection chamber and an eighth disinfection chamber in counterclockwise direction. The inner cavity of the water inlet pipe is in communication with the first disinfection chamber, the eighth disinfection chamber is in communication with the inner cavity of the drain pipe, and no water permeable opening is formed on the partition plate between the first disinfection chamber and the eighth disinfection chamber. Water enters the first disinfection chamber from the water inlet pipe, and then sequentially enters the second disinfection chamber, the third disinfection chamber, the fourth disinfection chamber, the fifth disinfection chamber, the sixth disinfection chamber, the seventh disinfection chamber and the eighth disinfection chamber, and finally is discharged from the drain pipe. The arrangement of the first disinfection chamber, the second disinfection chamber, the third disinfection chamber, the fourth disinfection chamber, the fifth disinfection chamber, the sixth disinfection chamber, the seventh disinfection chamber and the eighth disinfection chamber greatly prolongs the flow process of water in the disinfection cylinder, prolongs the time of ultraviolet irradiation of water, and effectively improves the time and effect of disinfection and sterilization.

[0008] Preferably, the top of the disinfection barrel is provided with a threaded mounting groove which is in communication with the disinfection cavity, and an annular sealing groove is formed in the bottom edge of the threaded mounting groove; the sealing top plate is nested in the threaded mounting groove, and an annular sealing gasket is fixed to the bottom edge of the sealing top plate at a position corresponding to the annular sealing groove; When the sealing top plate is mounted in the threaded mounting groove, the annular sealing gasket is nested in the annular sealing groove, thereby improving the sealing performance between the sealing top plate and the bottom wall of the threaded mounting groove.

[0009] Preferably, semicircular convex portions are arranged in the middle portions of the two sides of the light guide plate, and a receiving cavity is formed in the middle portion of the upper side of the light guide plate. Through holes are formed in the sealing top plate at positions corresponding to the receiving cavities, the diameter of the through holes is the same as the diameter of the cross section of the receiving cavities, and the through holes are in communication with the receiving cavities. Connecting sleeves are fixed to the upper side of the sealing top plate at positions corresponding to the through holes, channels are formed in the connecting sleeves, the diameter of the channels is greater than the diameter of the through holes, slide ways are symmetrically formed in the inner walls of the channels, the upper ends of the slide ways extend to the top ends of the connecting sleeves, arc-shaped grooves are arranged in the bottom ends of the slide ways in the counterclockwise direction, and a plurality of tooth grooves are formed in the top walls of the arc-shaped grooves.

[0010] Preferably, the disinfection assembly comprises a movable seat, a connecting disc and an ultraviolet lamp tube, the ultraviolet lamp tube is fixed to the bottom of the connecting disc, an active cavity is formed in the interior of the movable seat, a through opening which is in communication with the active cavity is formed in the middle portion of the lower side of the movable seat, an active ring is rotatably connected to the bottom edge of the movable seat, a spring is connected between the lower side of the active ring and the upper side of the connecting disc, a support is fixed to the middle portion of the upper side of the connecting disc, the upper end of the support is slidably penetrated through the through opening and is nested in the active cavity, a limiting disc is fixed to the upper end of the support, arc-shaped blocks are symmetrically fixed to the outer side walls of the movable seat, a plurality of tooth blocks are fixed to the upper sides of the arc-shaped blocks, and a torsion block is fixed to the top of the movable seat. The ultraviolet lamp tube is nested in the receiving cavity, the diameter of the connecting disc is greater than the diameter of the through hole, the connecting disc and the movable seat are nested in the channel, and the arc-shaped blocks are matched with the slide ways. When the disinfection assembly is installed, the ultraviolet lamp tube penetrating connecting barrel and the penetrating hole on the disinfection assembly are inserted into the receiving cavity, the connecting disc on the ultraviolet lamp tube is nested in the connecting barrel and abuts against the port of the penetrating hole, then the arc block on the disinfection assembly is aligned with the slide on the connecting barrel, the torsion block on the disinfection assembly is pinched, the movable seat is extruded towards the direction of the ultraviolet lamp tube, the movable seat moves in the connecting barrel, the arc block is inserted into the slide, and moves to the bottom end of the slide, then the torsion block is rotated counterclockwise, the movable seat is rotated counterclockwise, the arc block is inserted into the arc-shaped groove, the torsion block is released, the movable seat moves towards the direction of the torsion block under the elastic force of the spring, the arc block moves, the multiple tooth blocks on the arc block are engaged with the multiple tooth grooves on the top inner wall of the arc-shaped groove, the movable seat is locked, and the disinfection assembly is quickly installed, so that the installation is quick and convenient, and the disinfection assembly is quickly and conveniently disassembled later.

[0011] Preferably, a threaded connection groove is formed in the middle of the upper side of the sealing top plate, and the lower end of the threaded connection groove extends into the support column; The cover plate assembly comprises an outer threaded ring, an inner cover disc and a rotating column, the inner cover disc is rotationally nested in the outer threaded ring, the rotating column is rotationally nested in the middle of the inner cover disc, the upper side of the rotating column is fixed with a rotating block, the bottom of the rotating column is fixed with a threaded column, the threaded column is in threaded connection with the threaded connection groove, and the lower part of the outer threaded ring is in threaded connection with the threaded installation groove; The inner cover disc is provided with a receiving hole corresponding to each connecting barrel, and the connecting barrel is nested in the receiving hole; The threaded column on the cover plate assembly is aligned with the threaded connection groove on the separation assembly, the four connecting barrels on the separation assembly are aligned with the four receiving holes on the cover plate assembly, then the rotating block is rotated to drive the rotating column to rotate, the rotating column rotates to drive the threaded column to rotate, the threaded column is threaded nested in the threaded connection groove on the separation assembly, the four connecting barrels are respectively nested in the four receiving holes, the connection between the cover plate assembly and the separation assembly is realized, the connection is simple, and the cover plate assembly and the separation assembly are conveniently disassembled later, after the separation assembly is inserted into the disinfection barrel body, the outer threaded ring on the cover plate assembly is rotated, the outer threaded ring is in threaded connection with the threaded installation groove on the disinfection barrel body, and the cover plate assembly extrudes the separation assembly, so that the sealing performance of the separation assembly is ensured.

[0012] Preferably, a positioning ring plate is fixedly sleeved on the outer top of the disinfection barrel body, a plurality of strip-shaped holes are equidistantly formed in the outer side of the positioning ring plate, and the positioning ring plate is made of ferritic stainless steel; A plurality of hinged seats are equidistantly fixed on the top of the side wall of the outer threaded ring, a handle is hinged to the hinged seat, a positioning magnetic block is fixed on the side wall of the handle, and the positioning magnetic block is magnetically adsorbed in the corresponding strip-shaped hole; After the external thread ring is threadedly connected with the threaded mounting groove, then the handle is rotated, so that the handle faces downward, and the positioning magnetic block on the handle is inserted into the corresponding strip-shaped hole on the positioning ring plate, positioning of the external thread ring is realized, and the external thread ring is prevented from being loosened due to deflection in the later period.

[0013] Preferably, the first sealing groove is in communication with the inner cavity of the sealing sleeve, and a rectangular positioning column is arranged at the middle portion of the inner wall of the bottom of the sealing sleeve and fixedly connected with the inner wall of the disinfection cylinder through the sealing sleeve. A sealing gasket column is fixed at the bottom of the supporting column and matched with the sealing sleeve, and a rectangular positioning cavity is formed at the bottom of the sealing gasket column and extended to the supporting column, and the rectangular positioning column is nested in the rectangular positioning cavity. When the separation assembly is installed by being lowered in the disinfection cavity, the rectangular positioning cavity at the bottom of the supporting column on the separation assembly is aligned with the rectangular positioning column, so that when the separation assembly is lowered, the rectangular positioning cavity can be slidably sleeved on the rectangular positioning column, and the rectangular positioning column limits the separation assembly, so that the separation assembly is prevented from being skewed during the lowering process.

[0014] Preferably, the disinfection cylinder and the separation plate are both made of stainless steel, and the inner wall of the disinfection cavity and the two side walls of the separation plate are both arranged as rhombic mirror surfaces. The rhombic mirror surfaces of the disinfection cavity and the separation plate scatter the ultraviolet light, so that the ultraviolet light irradiates the flowing water in the disinfection cavity more comprehensively, and the disinfection effect of the ultraviolet light on the flowing water is greatly improved.

[0015] In the above technical solution, the present application has the following technical effects and advantages: 1. In the present application, the separation assembly is arranged in the disinfection cylinder, four disinfection assemblies are respectively nested in the four light guide plates on the separation assembly, and the four separation plates and the four light guide plates on the separation assembly divide the disinfection cavity into eight disinfection chambers, so that the water flows through the eight disinfection chambers in sequence, the process of the water in the disinfection cylinder is greatly prolonged, the ultraviolet irradiation time of the water is prolonged, and the disinfection effect on the water is effectively improved. 2. In the present application, the cover plate assembly is threadedly connected with the separation assembly, the connection is simple, the separation assembly is inserted into the disinfection cylinder, and the external thread ring on the cover plate assembly is threadedly connected with the threaded mounting groove at the top of the disinfection cylinder, so that the cover plate assembly extrudes and fixes the separation assembly, the separation assembly is installed firmly and stably, the external thread ring is reversely rotated in the later period, the cover plate assembly is separated from the disinfection cylinder, the cover plate assembly is pulled outward, the separation assembly can be taken out of the disinfection cylinder, the separation assembly is convenient to clean, and the installation and disassembly of the separation assembly are very quick and convenient. 3. In this invention, four disinfection components are nested within the partition component, and the installation and disassembly of the disinfection components and the partition component are quick and convenient. Furthermore, the disinfection components can be removed from the partition component without removing the partition component from the disinfection cylinder, which greatly facilitates the replacement of the disinfection components. 4. In this invention, the ultraviolet light is scattered by the rhomboid mirror surface of the disinfection chamber and the partition plate, so that the ultraviolet light can irradiate the water in the disinfection chamber more comprehensively, which greatly improves the disinfection effect of ultraviolet light on the water. 5. In this invention, after the external threaded ring is threadedly connected to the threaded mounting groove, in order to prevent the external threaded ring from deflecting later and thus reduce the pressure on the sealing top plate, the handle is rotated so that the handle faces downward and the positioning magnetic block on the handle is inserted into the corresponding strip hole on the positioning ring plate to achieve positioning of the external threaded ring and avoid the external threaded ring from deflecting later and causing loosening. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a top sectional view of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of part A; Figure 4 This is a schematic diagram of the sterilization cylinder structure of the present invention; Figure 5 This is a top view of the disinfection cylinder of the present invention; Figure 6 This is a schematic diagram of the separator component structure of the present invention; Figure 7 This is another schematic diagram of the separator component of the present invention; Figure 8 This is a perspective sectional view of the separator component of the present invention; Figure 9 This is a schematic diagram of the sealing top plate structure of the present invention; Figure 10 This is a perspective sectional view of the sealing top plate of the present invention; Figure 11 This is a perspective sectional view showing the connection between the separator component and the disinfection component of the present invention. Figure 12 This is a schematic diagram of the cover plate assembly structure of the present invention; Figure 13 Another perspective view of the cover plate assembly of the present application; Figure 14 A structure view of the disinfection assembly of the present application; Figure 15 A perspective view of the movable seat and the connecting disc of the present application; Figure 16 A structure view of the movable seat of the present application.

[0018] Explanation of reference signs: 10, disinfection cylinder; 11, L-shaped pad; 111, first sealing groove; 12, vertical pad; 121, second sealing groove; 13, sealing sleeve; 14, water inlet pipe; 15, water outlet pipe; 16, disinfection cavity; 161, first disinfection chamber; 162, second disinfection chamber; 163, third disinfection chamber; 164, fourth disinfection chamber; 165, fifth disinfection chamber; 166, sixth disinfection chamber; 167, seventh disinfection chamber; 168, eighth disinfection chamber; 17, threaded mounting groove; 171, annular sealing groove; 18, positioning ring plate; 181, strip-shaped hole; 19, rectangular positioning column; 20, partition assembly; 21, sealing top plate; 211, annular sealing gasket; 212, through hole; 213, connecting cylinder; 214, channel; 215, slide; 216, arc-shaped groove; 217, tooth groove; 218, threaded connecting groove; 22, supporting column; 23, partition plate; 231, water-permeable opening; 24, light guide plate; 241, receiving cavity; 25, L-shaped sealing gasket strip; 251, first sealing slide strip; 26, vertical pad strip; 261, second sealing slide strip; 27, sealing gasket column; 28, rectangular positioning cavity; 30, cover plate assembly; 31, outer threaded ring; 32, inner cover disc; 321, containing hole; 33, rotating column; 331, rotating block; 34, hinged seat; 35, handle; 36, positioning magnetic block; 37, threaded column; 40, disinfection assembly; 41, movable seat; 411, movable cavity; 412, through opening; 42, connecting disc; 43, ultraviolet lamp tube; 44, movable ring; 45, spring; 46, supporting column; 47, limiting disc; 48, arc-shaped block; 481, tooth block; 49, torsion block. DETAILED DESCRIPTION

[0019] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0020] The present application provides a kind of ultraviolet disinfection device for hotel drinking water as shown in Figures 1 to 16 including: The inner wall of the disinfection cylinder 10 is fixed with four L-shaped pads 11 and four vertical pads 12, the middle part of the bottom inner wall of the disinfection cylinder 10 is fixed with a sealing sleeve 13, and the outer side upper part of the disinfection cylinder 10 is provided with a water inlet pipe 14 and a drain pipe 15; The separation assembly 20 is nested in the disinfection cylinder 10, the separation assembly 20 includes a sealing top plate 21, the lower side middle part of the sealing top plate 21 is fixed with a support column 22, the side wall of the support column 22 is fixed with four separation plates 23 and four light guide plates 24 at equal intervals, and the upper part of three of the separation plates 23 is provided with a water permeable opening 231; The cover plate assembly 30 is detachably installed on the top of the disinfection cylinder 10, and the cover plate assembly 30 is threadedly connected with the separation assembly 20. The four disinfection assemblies 40 are slidably nested in the four light guide plates 24 from below, and the upper parts of the four disinfection assemblies 40 are detachably connected with the sealing top plate 21.

[0021] The inside of the disinfection cylinder 10 is provided with a disinfection cavity 16, the four vertical pads 12 are fixed on the side wall of the disinfection cavity 16, the vertical edges of the four L-shaped pads 11 are fixed on the side wall of the disinfection cavity 16, the horizontal edges of the four L-shaped pads 11 are fixed on the bottom wall of the disinfection cavity 16, and the ends of the horizontal edges of the four L-shaped pads 11 are connected with the sealing sleeve 13; The four L-shaped pads 11 and the four vertical pads 12 are arranged at intervals; Two first sealing grooves 111 are formed on each of the four L-shaped pads 11, and two second sealing grooves 121 are formed on each of the four vertical pads 12; The four separation plates 23 and the four light guide plates 24 are arranged at intervals, an L-shaped sealing gasket 25 is fixedly sleeved on the outer side edge of each of the four separation plates 23, two first sealing sliding strips 251 are fixed on the L-shaped sealing gasket 25, the first sealing sliding strips 251 are slidably nested in the first sealing grooves 111, a vertical gasket 26 is fixedly sleeved on the edge of one end of each of the four light guide plates 24 away from the support column 22, and two second sealing sliding strips 261 are fixed on the vertical gasket 26, the second sealing sliding strips 261 are slidably nested in the second sealing grooves 121; The arrangement of the L-shaped sealing gasket 25 and the L-shaped pad 11 ensures the sealing between the separation plate 23 and the inner wall of the disinfection cavity 16 after installation, and the arrangement of the vertical gasket 26 and the vertical pad 12 ensures the sealing between the light guide plate 24 and the side wall of the disinfection cavity 16 after installation.

[0022] The top of the partition plate 23 and the light guide plate 24 are fixedly connected with the lower side of the sealing top plate 21, the vertical edge length of the partition plate 23 is longer than that of the light guide plate 24, and a gap is arranged between the bottom of the light guide plate 24 and the bottom wall of the disinfection cavity 16; The four partition plates 23 and the four light guide plates 24 sequentially divide the disinfection cavity 16 into the first disinfection chamber 161, the second disinfection chamber 162, the third disinfection chamber 163, the fourth disinfection chamber 164, the fifth disinfection chamber 165, the sixth disinfection chamber 166, the seventh disinfection chamber 167 and the eighth disinfection chamber 168 in the counterclockwise direction; The inner cavity of the water inlet pipe 14 is in communication with the first disinfection chamber 161, the eighth disinfection chamber 168 is in communication with the inner cavity of the water outlet pipe 15, and no water inlet 231 is arranged on the partition plate 23 between the first disinfection chamber 161 and the eighth disinfection chamber 168; Water enters the first disinfection chamber 161 from the water inlet pipe 14, and then sequentially enters the second disinfection chamber 162, the third disinfection chamber 163, the fourth disinfection chamber 164, the fifth disinfection chamber 165, the sixth disinfection chamber 166, the seventh disinfection chamber 167 and the eighth disinfection chamber 168, and finally is discharged from the water outlet pipe 15. The arrangement of the first disinfection chamber 161, the second disinfection chamber 162, the third disinfection chamber 163, the fourth disinfection chamber 164, the fifth disinfection chamber 165, the sixth disinfection chamber 166, the seventh disinfection chamber 167 and the eighth disinfection chamber 168 greatly prolongs the flow of water in the disinfection cylinder 10, prolongs the time of ultraviolet irradiation of water, and effectively improves the disinfection time and effect.

[0023] A threaded mounting groove 17 is arranged at the top of the disinfection cylinder 10, the threaded mounting groove 17 is in communication with the disinfection cavity 16, an annular sealing groove 171 is arranged at the bottom edge of the threaded mounting groove 17, the sealing top plate 21 is nested in the threaded mounting groove 17, and an annular sealing gasket 211 is fixed to the bottom edge of the sealing top plate 21 at a position corresponding to the annular sealing groove 171; When the sealing top plate 21 is installed in the threaded mounting groove 17, the annular sealing gasket 211 is nested in the annular sealing groove 171, thereby improving the sealing between the sealing top plate 21 and the bottom wall of the threaded mounting groove 17.

[0024] A threaded connection groove 218 is arranged at the upper middle part of the sealing top plate 21, and the lower end of the threaded connection groove 218 extends into the support column 22; The cover plate assembly 30 comprises an outer threaded ring 31, an inner cover disc 32 and a rotating column 33. The inner cover disc 32 is rotationally nested in the outer threaded ring 31, the rotating column 33 is rotationally nested in the middle part of the inner cover disc 32, the upper side of the rotating column 33 is fixedly connected with a rotating block 331, the bottom of the rotating column 33 is fixedly connected with a threaded column 37, the threaded column 37 is in threaded connection with the threaded connection groove 218, and the lower part of the outer threaded ring 31 is in threaded connection with the threaded mounting groove 17; A plurality of hinge seats 34 are equidistantly fixed on the top of the sidewall of the external thread ring 31, and a handle 35 is hinged on the hinge seat 34; The inner cover disc 32 is provided with a plurality of accommodating holes 321 corresponding to the positions of the connecting cylinders 213, and the connecting cylinders 213 are nested in the accommodating holes 321; The threaded column 37 on the cover plate assembly 30 is aligned with the threaded connecting groove 218 on the partition assembly 20, and the four connecting cylinders 213 on the partition assembly 20 are aligned with the four accommodating holes 321 on the cover plate assembly 30, then the rotating block 331 is rotated to drive the rotating column 33 to rotate, the rotating column 33 drives the threaded column 37 to rotate, the threaded column 37 is threadedly nested in the threaded connecting groove 218 on the partition assembly 20, the four connecting cylinders 213 are respectively nested in the four accommodating holes 321, the connection between the cover plate assembly 30 and the partition assembly 20 is realized, the connection is simple, and the cover plate assembly 30 and the partition assembly 20 are convenient to disassemble and separate later, after the partition assembly 20 is inserted into the sterilization cylinder body 10, then the external thread ring 31 on the cover plate assembly 30 is rotated, the external thread ring 31 is screwed with the threaded mounting groove 17 on the sterilization cylinder body 10, and the cover plate assembly 30 extrudes the partition assembly 20, so that the sealing performance of the partition assembly 20 is ensured.

[0025] The first sealing groove 111 is in communication with the inner cavity of the sealing sleeve 13, the middle part of the bottom inner wall of the sealing sleeve 13 is provided with a rectangular positioning column 19, and the lower end of the rectangular positioning column 19 is fixedly connected with the inner wall of the sterilization cylinder body 10 through the sealing sleeve 13; The bottom of the supporting column 22 is fixedly connected with a sealing gasket column 27 matched with the sealing sleeve 13, the bottom of the sealing gasket column 27 is provided with a rectangular positioning cavity 28, the upper end of the rectangular positioning cavity 28 extends into the supporting column 22, and the rectangular positioning column 19 is nested in the rectangular positioning cavity 28; When the partition assembly 20 is installed by moving downward in the sterilization cavity 16, the rectangular positioning cavity 28 at the bottom of the supporting column 22 on the partition assembly 20 is aligned with the rectangular positioning column 19, so that when the partition assembly 20 moves downward, the rectangular positioning cavity 28 can be slidably sleeved on the rectangular positioning column 19, and the rectangular positioning column 19 limits the partition assembly 20, so that the partition assembly 20 is prevented from being skewed during the downward movement.

[0026] In the present application, when assembling the ultraviolet disinfection device, first, the partition assembly 20 is connected with the cover plate assembly 30, the threaded column 37 on the cover plate assembly 30 is aligned with the threaded connecting groove 218 on the partition assembly 20, and the four connecting barrels 213 on the partition assembly 20 are aligned with the four accommodating holes 321 on the cover plate assembly 30, then the rotating block 331 is rotated to drive the rotating column 33 to rotate, the rotating column 33 is rotated to drive the threaded column 37 to rotate, so that the threaded column 37 is threadedly nested in the threaded connecting groove 218 on the partition assembly 20, and at the same time, the four connecting barrels 213 are respectively nested in the four accommodating holes 321, realizing the connection between the cover plate assembly 30 and the partition assembly 20, which is simple and convenient for disassembly of the cover plate assembly 30 and the partition assembly 20 later; Then, the four L-shaped sealing gasket strips 25 and the four vertical gasket strips 26 on the partition assembly 20 are respectively aligned with the four L-shaped gasket blocks 11 and the four vertical gasket blocks 12 in the disinfection cylinder body 10, the cavity opening of the rectangular positioning cavity 28 at the bottom of the partition assembly 20 is aligned with the end of the rectangular positioning column 19 in the disinfection cylinder body 10, then the partition assembly 20 is moved downward, so that the rectangular positioning cavity 28 is sleeved on the rectangular positioning column 19, at the same time, the first sealing sliding strip 251 on the L-shaped sealing gasket strip 25 is slidingly nested in the first sealing groove 111 on the L-shaped gasket block 11, the second sealing sliding strip 261 on the vertical gasket strip 26 is slidingly nested in the second sealing groove 121 on the vertical gasket block 12, the partition assembly 20 is continuously moved downward until the cover plate assembly 30 contacts the port of the disinfection cylinder body 10, then the handle 35 on the cover plate assembly 30 is held to rotate the external threaded ring 31, so that the external threaded ring 31 is threadedly nested in the threaded mounting groove 17 of the port of the disinfection cylinder body 10, when the external threaded ring 31 is rotated and mounted in the threaded mounting groove 17, the cover plate assembly 30 is moved downward as a whole, so that the cover plate assembly 30 moves the partition assembly 20 downward, so that the sealing top plate 21 on the partition assembly 20 abuts against the bottom wall of the threaded mounting groove 17, the external threaded ring 31 is tightened, so that the cover plate assembly 30 tightly presses the partition assembly 20, and the assembly of the ultraviolet disinfection device is completed, which is simple and fast; When the partition assembly 20 needs to be taken out from the disinfection cylinder body 10 for cleaning later, the handle 35 on the cover plate assembly 30 is held to reversely rotate the external threaded ring 31, so that the external threaded ring 31 is separated from the threaded mounting groove 17 of the port of the disinfection cylinder body 10, then the handle 35 is pulled upward to move the cover plate assembly 30 upward away from the disinfection cylinder body 10, the cover plate assembly 30 moves the partition assembly 20 to move, and the partition assembly 20 is pulled out from the disinfection cylinder body 10, so that the partition assembly 20 is conveniently cleaned; By setting the separating assembly 20 in the disinfection cylinder 10, the four separating plates 23 and the four light guide plates 24 on the separating assembly 20 divide the disinfection cavity 16 into eight disinfection chambers, and the four disinfection assemblies 40 are respectively nested in the four light guide plates 24 on the separating assembly 20. The ultraviolet light generated by the disinfection assembly 40 working is emitted through the light guide plate 24 to disinfect the water flow in the two disinfection chambers adjacent to the light guide plate 24. The water flow enters the first disinfection chamber 161 from the water inlet pipe 14, and then sequentially enters the second disinfection chamber 162, the third disinfection chamber 163, the fourth disinfection chamber 164, the fifth disinfection chamber 165, the sixth disinfection chamber 166, the seventh disinfection chamber 167 and the eighth disinfection chamber 168, and finally is discharged from the water outlet pipe 15. The water flow sequentially flows through the eight disinfection chambers, greatly prolongs the flow process of the water in the disinfection cylinder 10, prolongs the ultraviolet irradiation time of the water, and effectively improves the disinfection effect of the water.

[0027] As shown in Figure 1 , Figure 2 , Figures 8 to 11 and Figures 14 to 6 , the middle part of the two sides of the light guide plate 24 is provided with a semicircular convex part, and the upper middle part of the light guide plate 24 is provided with a receiving cavity 241; The sealing top plate 21 is provided with a through hole 212 corresponding to each receiving cavity 241, the diameter of the through hole 212 is the same as the cross-sectional diameter of the receiving cavity 241, and the through hole 212 is in communication with the receiving cavity 241; The upper side of the sealing top plate 21 is fixed with a connecting cylinder 213 corresponding to each through hole 212, the connecting cylinder 213 is provided with a channel 214, the diameter of the channel 214 is larger than that of the through hole 212, the inner wall of the channel 214 is symmetrically provided with a slide 215, the upper end of the slide 215 extends to the top end of the connecting cylinder 213, and the bottom end of the slide 215 is provided with an arc-shaped groove 216 in the counterclockwise direction, and the top wall of the arc-shaped groove 216 is provided with a plurality of tooth grooves 217.

[0028] The disinfection assembly 40 comprises a movable seat 41, a connecting disc 42 and an ultraviolet lamp 43. The ultraviolet lamp 43 is fixed to the bottom of the connecting disc 42. The inside of the movable seat 41 is provided with a movable cavity 411. The lower middle part of the movable seat 41 is provided with a through hole 412 in communication with the movable cavity 411. The bottom edge of the movable seat 41 is rotatably connected with a movable ring 44. The lower side of the movable ring 44 is connected with the upper side of the connecting disc 42 through a spring 45. The upper middle part of the upper side of the connecting disc 42 is fixed with a support 46. The upper end of the support 46 is slidably penetrated through the through hole 412 and nested in the movable cavity 411. The upper end of the support 46 is fixed with a limiting disc 47. The outer side wall of the movable seat 41 is symmetrically fixed with an arc-shaped block 48. The upper side of the arc-shaped block 48 is fixed with a plurality of tooth blocks 481. The top of the movable seat 41 is fixed with a torsion block 49. The ultraviolet lamp tube 43 is nested in the receiving cavity 241, the diameter of the connecting disc 42 is greater than the diameter of the through hole 212, the connecting disc 42 and the movable seat 41 are both nested in the channel 214, and the arc-shaped block 48 is matched with the slide 215. In the present application, when the disinfection assembly 40 is installed, the ultraviolet lamp tube 43 on the disinfection assembly 40 is inserted into the receiving cavity 241 through the connecting cylinder 213 and the through hole 212, the connecting disc 42 on the ultraviolet lamp tube 43 is nested in the connecting cylinder 213 and abuts against the port of the through hole 212, then the arc-shaped block 48 on the disinfection assembly 40 is aligned with the slide 215 on the connecting cylinder 213, the torsion block 49 on the disinfection assembly 40 is pinched, the movable seat 41 is pressed towards the ultraviolet lamp tube 43, the movable seat 41 is moved in the connecting cylinder 213, the arc-shaped block 48 is inserted into the slide 215 and moved to the bottom end of the slide 215, then the torsion block 49 is rotated counterclockwise, the movable seat 41 is rotated counterclockwise, the arc-shaped block 48 is inserted into the arc-shaped groove 216, then the torsion block 49 is released, the movable seat 41 is moved towards the torsion block 49 under the elastic force of the spring 45, the arc-shaped block 48 is moved, the multiple tooth blocks 481 on the arc-shaped block 48 are engaged with the multiple tooth grooves 217 on the top inner wall of the arc-shaped groove 216, the movable seat 41 is locked, and the disinfection assembly 40 is quickly installed, so that the disinfection assembly 40 is quickly and conveniently installed. When the disinfection assembly 40 needs to be disassembled and replaced, the torsion block 49 is pinched and pressed, the movable seat 41 is moved downwards, the movable seat 41 moves downwards and drives the arc-shaped block 48 to move downwards, the tooth blocks 481 on the arc-shaped block 48 are separated from the tooth grooves 217 on the arc-shaped groove 216, then the torsion block 49 is rotated clockwise, the movable seat 41 is rotated, the movable seat 41 is moved from the arc-shaped groove 216 to the slide 215, the torsion block 49 is pulled upwards, and the disinfection assembly 40 can be taken out, so that the disinfection assembly 40 is quickly and conveniently disassembled. The installation and disassembly of the disinfection assembly 40 and the separation assembly 20 are very quick and convenient, the disinfection assembly 40 can be disassembled from the separation assembly 20 without taking the separation assembly 20 out of the disinfection cylinder 10, and the replacement and maintenance of the disinfection assembly 40 are greatly facilitated.

[0029] As shown in Figure 1 and Figure 13 The outer side top of the disinfection cylinder 10 is fixedly sleeved with a positioning ring plate 18, multiple strip-shaped holes 181 are arranged at equal intervals on the outer side of the positioning ring plate 18, and the positioning ring plate 18 is made of ferritic stainless steel. The side wall of the handle 35 is fixedly provided with a positioning magnetic block 36, and the positioning magnetic block 36 is magnetically attached in the corresponding strip-shaped hole 181.

[0030] In the application, after the external thread ring 31 is screwed with the threaded mounting groove 17, in order to prevent the external thread ring 31 from being deflected later and thus reducing the extrusion on the sealing top plate 21, the handle 35 is rotated, so that the handle 35 faces downward, and the positioning magnetic block 36 on the handle 35 is inserted into the corresponding strip-shaped hole 181 on the positioning ring plate 18, the positioning of the external thread ring 31 is realized, and the loosening caused by the deflection of the external thread ring 31 later is avoided.

[0031] As shown in Figure 4 and Figure 6 The disinfection cylinder 10 and the partition plate 23 are both made of stainless steel, and the inner wall of the disinfection cavity 16 and the two side walls of the partition plate 23 are all set as rhombic mirror surfaces.

[0032] In the application, the ultraviolet light is scattered by the rhombic mirror surfaces of the disinfection cavity 16 and the partition plate 23, so that the ultraviolet light irradiates the flowing water in the disinfection cavity 16 more comprehensively, the disinfection effect of the ultraviolet light on the flowing water is greatly improved, and the disinfection of the water is more comprehensive.

[0033] The above only describes some exemplary embodiments of the application in a descriptive manner, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the application. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the application.

Claims

1. A UV disinfection device for hotel drinking water, characterized by, The utility model relates to a disinfection device, including: The inner wall of disinfection cylinder (10) is fixed with four L type cushion block (11) and four vertical cushion block (12), the middle part of the bottom inner wall of disinfection cylinder (10) is fixed with sealing sleeve (13), the outside upper portion of disinfection cylinder (10) is equipped with water inlet pipe (14) and drain pipe (15); The separation assembly (20) is nested in the disinfection cylinder (10), the separation assembly (20) includes sealed top plate (21), the lower side middle part of sealed top plate (21) is fixed with support column (22), the sidewall of support column (22) is fixed with four separation plate (23) and four light guide plate (24) at equal intervals, three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, wherein three separation plate (23) are opened with water inlet (231) in the upper portion respectively with L type cushion block (11) and vertical cushion block (12) correspond, ​ ​ 2. The UV disinfection device for hotel drinking water according to claim 1, characterized in that: ​ ​ ​ ​ 3. The UV disinfection device for hotel drinking water according to claim 2, characterized in that: The top of the partition plate (23) and the top of the light guide plate (24) are fixedly connected with the lower side of the sealing top plate (21), the vertical edge length of the partition plate (23) is longer than the vertical edge length of the light guide plate (24), and a gap is arranged between the bottom of the light guide plate (24) and the bottom wall of the disinfection cavity (16); The four partition plates (23) and the four light guide plates (24) sequentially divide the disinfection cavity (16) into a first disinfection chamber (161), a second disinfection chamber (162), a third disinfection chamber (163), a fourth disinfection chamber (164), a fifth disinfection chamber (165), a sixth disinfection chamber (166), a seventh disinfection chamber (167) and an eighth disinfection chamber (168) in the counterclockwise direction. The inner cavity of the water inlet pipe (14) is in communication with the first disinfection chamber (161), the eighth disinfection chamber (168) is in communication with the inner cavity of the drain pipe (15), and no water inlet (231) is arranged on the partition plate (23) between the first disinfection chamber (161) and the eighth disinfection chamber (168).

4. The UV disinfection device for hotel drinking water according to claim 3, characterized in that: A threaded mounting groove (17) is arranged at the top of the disinfection cylinder (10), the threaded mounting groove (17) is in communication with the disinfection cavity (16), an annular sealing groove (171) is arranged at the bottom edge of the threaded mounting groove (17), the sealing top plate (21) is nested in the threaded mounting groove (17), and an annular sealing gasket (211) is fixed to the bottom edge of the sealing top plate (21) corresponding to the position of the annular sealing groove (171).

5. The UV disinfection device for hotel drinking water according to claim 4, characterized in that: Half-round convex portions are arranged at the middle portions of the two sides of the light guide plate (24), and a receiving cavity (241) is arranged at the middle portion of the upper side of the light guide plate (24). Through holes (212) are arranged on the sealing top plate (21) corresponding to the positions of the receiving cavities (241), the diameters of the through holes (212) are the same as the diameters of the cross sections of the receiving cavities (241), and the through holes (212) are in communication with the receiving cavities (241). Connecting barrels (213) are fixed to the upper side of the sealing top plate (21) corresponding to the positions of the through holes (212), channels (214) are arranged in the connecting barrels (213), the diameters of the channels (214) are greater than the diameters of the through holes (212), slide grooves (215) are symmetrically arranged on the inner walls of the channels (214), the upper ends of the slide grooves (215) extend to the top ends of the connecting barrels (213), arc-shaped grooves (216) are arranged at the bottom ends of the slide grooves (215) in the counterclockwise direction, and a plurality of tooth grooves (217) are arranged in the top walls of the arc-shaped grooves (216).

6. The UV disinfection device for hotel drinking water according to claim 5, characterized in that: The disinfection assembly (40) comprises a movable seat (41), a connecting disc (42) and an ultraviolet lamp tube (43), the bottom of the connecting disc (42) is fixed with the ultraviolet lamp tube (43), the inside of the movable seat (41) is provided with a movable cavity (411), the lower middle part of the movable seat (41) is provided with a through hole (412) communicating with the movable cavity (411), the bottom edge of the movable seat (41) is rotatably connected with a movable ring (44), the lower side of the movable ring (44) is connected with the upper side of the connecting disc (42) through a spring (45), the upper middle part of the upper side of the connecting disc (42) is fixed with a support column (46), the upper end of the support column (46) is slidably penetrated through the through hole (412) and is nested in the movable cavity (411), the upper end of the support column (46) is fixed with a limiting disc (47), the outer side wall of the movable seat (41) is symmetrically fixed with an arc block (48), the upper side of the arc block (48) is fixed with a plurality of tooth blocks (481), the top of the movable seat (41) is fixed with a torsion block (49). The ultraviolet lamp tube (43) is nested in the accommodating cavity (241), the diameter of the connecting disc (42) is larger than the diameter of the penetrating hole (212), the connecting disc (42) and the movable seat (41) are both nested in the channel (214), and the arc block (48) is matched with the slide (215).

7. The UV disinfection device for hotel drinking water according to claim 5, characterized in that: The upper middle part of the sealing top plate (21) is provided with a threaded connection groove (218), and the lower end of the threaded connection groove (218) extends into the supporting column (22); The cover plate assembly (30) comprises an outer threaded ring (31), an inner cover disc (32) and a rotating column (33), the inner cover disc (32) is rotatably nested in the outer threaded ring (31), the rotating column (33) is rotatably nested in the middle part of the inner cover disc (32), the upper side of the rotating column (33) is fixed with a rotating block (331), the bottom of the rotating column (33) is fixed with a threaded column (37), the threaded column (37) is in threaded connection with the threaded connection groove (218), and the lower part of the outer threaded ring (31) is in threaded connection with the threaded mounting groove (17). The inner cover disc (32) is provided with a containing hole (321) corresponding to each connecting barrel (213), and the connecting barrel (213) is nested in the containing hole (321).

8. The UV disinfection device for hotel drinking water according to claim 7, characterized in that: The outer side top of the disinfection barrel (10) is fixedly sleeved with a positioning ring plate (18), a plurality of strip-shaped holes (181) are equidistantly formed in the outer side of the positioning ring plate (18), and the positioning ring plate (18) is made of ferrite stainless steel; A plurality of hinged seats (34) are equidistantly fixed on the side wall top of the outer threaded ring (31), a handle (35) is hinged to the hinged seat (34), a positioning magnetic block (36) is fixed on the side wall of the handle (35), and the positioning magnetic block (36) is magnetically attached in the corresponding strip-shaped hole (181).

9. The UV disinfection device for hotel drinking water according to claim 2, characterized in that: The first sealing groove (111) is in communication with the inner cavity of the sealing sleeve (13), the middle part of the inner wall of the bottom of the sealing sleeve (13) is provided with a rectangular positioning column (19), and the lower end of the rectangular positioning column (19) is fixedly connected with the inner wall of the disinfection cylinder (10) through the sealing sleeve (13); The bottom of the supporting column (22) is fixedly provided with a sealing gasket column (27), the sealing gasket column (27) is matched with the sealing sleeve (13), the bottom of the sealing gasket column (27) is provided with a rectangular positioning cavity (28), the upper end of the rectangular positioning cavity (28) extends into the supporting column (22), and the rectangular positioning column (19) is nested in the rectangular positioning cavity (28).

10. The UV disinfection device for hotel drinking water according to claim 1, characterized in that: The disinfection cylinder (10) and the partition plate (23) are made of stainless steel, and the inner wall of the disinfection cavity (16) and the two side walls of the partition plate (23) are provided with rhombic mirror surfaces.

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