Sterilization and disinfection device for flushing water tank

Abstract

A sterilization and disinfection device for a toilet tank, comprising a drain valve and a water inlet valve arranged in the tank body of the toilet tank; further comprising a shell with an upper opening, a cover body and a sterilization and disinfection block soluble in water arranged in the shell body, the sterilization and disinfection block is arranged in the shell body, the cover body and the upper opening of the shell body are detachably matched and liquid-tight, the water inlet interface is connected to the water supply pipe of the water inlet valve, and the water outlet interface is connected to the overflow pipe. In static state, water is stored in the box body, the drain valve is in a closed state, and the water inlet valve is in a closed state; the drain valve is opened, the drain interface drains water to flush the toilet, and the drain valve is closed after the drain is completed; when the water inlet valve is fed with water, the sterilization and disinfection block is dissolved in water to form a sterilization and disinfection liquid, which directly enters the toilet through the overflow pipe and the drain interface of the drain valve; and it is easy to assemble.

Description

Technical Field

[0001] The invention relates to a toilet flushing water tank, in particular to a sterilization and disinfection device. Background Art

[0002] At present, in the prior art, a flushing water tank includes a box body with an upper opening, a water-soluble sterilizing block, a drain valve arranged in the box body, and a water inlet valve arranged in the drain valve in the box body, and the sterilizing block is placed in the box body. There is a problem that the aqueous solution of the water-soluble sterilizing block corrodes the rubber valve core of the drain valve, causing damage and leakage, and frequent maintenance is required. Summary of the invention

[0003] The purpose of the present invention is to provide a sterilizing and disinfecting device for a toilet flushing water tank, which is easy to assemble and can prevent damage to the valve core of the drain valve.

[0004] The present invention is implemented as follows: a sterilization and disinfection device for a toilet water tank, comprising a drain valve arranged in the tank body of the toilet water tank and a water inlet valve arranged in the tank body of the toilet water tank, the drain valve comprising an overflow pipe connected to the drain interface, and a water supply pipe is arranged on the water inlet valve; the special feature of the device is that it also comprises a shell with an upper opening, a cover body and a sterilization and disinfection block soluble in water arranged in the shell body,

[0005] The circumferential wall of the shell is provided with a water inlet interface and a water outlet interface.

[0006] The sterilization block is arranged in the shell, the cover body and the upper opening of the shell are detachably matched and liquid-tight, the water inlet interface is connected to the water supply pipe of the water inlet valve, and the water outlet interface is connected to the overflow pipe;

[0007] In static state, water is stored in the box, the drain valve is in the closed state, and the water inlet valve is in the closed state;

[0008] The drain valve is opened, and the drain interface drains water to flush the toilet. After drainage is completed, the drain valve is closed; while the water inlet valve is taking in water, the shell takes in water from the water inlet interface, and the sterilization and disinfection liquid in the shell enters the overflow pipe through the water outlet interface, and then enters the toilet through the drain interface for sterilization and disinfection; the water inlet valve stops taking in water, and the shell stops discharging water.

[0009] The sterilization and disinfection device for a toilet flushing water tank is special in that the water inlet interface is located at the upper part of the shell, and the water outlet interface is located at the lower part of the shell.

[0010] The sterilization and disinfection device for flushing water tanks is special in that: the shell comprises a cylindrical portion at the top, a spherical curved portion at the bottom and a guide groove, and the guide groove extends from the cylindrical portion to the spherical curved portion;

[0011] The water inlet interface and the water outlet interface are connected to the guide groove, and the spherical curved surface portion supports the sterilization and disinfection block.

[0012] The sterilization and disinfection device for flushing water tanks is special in that: a plurality of circular arc-shaped locking blocks evenly distributed in a circular shape are provided on the inner wall of the shell.

[0013] The upper part of the circumferential wall of the cover body is provided with an annular sealing ring groove, and the lower part is provided with a guide locking groove, and the guide locking groove includes an axial groove part and a circumferential groove part;

[0014] The cover body is inserted into the upper end of the shell body, and the arc-shaped locking block is slidably matched with the axial groove portion and locked with the circumferential groove portion.

[0015] The sterilization and disinfection device for a flushing water tank is special in that: the cover body includes a top cover plate and a cylindrical plug portion, the diameter of the top cover plate is larger than the diameter of the cylindrical plug portion, and a guide stop groove is provided at the edge of the top cover plate; an annular sealing ring groove is provided at the upper part of the cylindrical plug portion, and a step is provided at the lower part, and a guide locking groove is provided on the cylindrical plug portion below the step, and the guide locking groove includes an axial groove portion and a circumferential groove portion;

[0016] The upper end of the shell is provided with a countersink, and the shell wall below the countersink is provided with an arc-shaped locking block, and the upper end surface of the arc-shaped stop block and the bottom plate of the countersink are on the same plane; a stop block is provided on the upper opening of the shell,

[0017] The cylindrical plug part is embedded in the countersunk hole, the step is fitted with the bottom plate of the countersunk hole, the guide locking groove is matched with the arc-shaped locking block, the top cover plate is fitted with the upper opening end of the shell body; the stop block is matched with the guide stop groove.

[0018] The sterilization and disinfection device for a toilet flushing water tank is special in that: there is a height difference between the upper end of the overflow pipe and the water outlet interface.

[0019] The sterilization and disinfection device for a flushing water tank is special in that it also includes a seat body with upper and lower openings arranged on the overflow pipe, a water guide seat is arranged on the seat body, and a water guide hole is arranged on the water guide seat;

[0020] The water outlet interface is connected to the water guide hole through a water outlet hose; and the shell is connected to the water guide seat.

[0021] The sterilization and disinfection device for a toilet flushing tank is special in that the shell and the seat are detachably connected.

[0022] The sterilization and disinfection device for flushing water tanks is special in that: a connecting seat is provided on the seat body, and symmetrical plug-in slots are provided at both ends of the side of the connecting seat;

[0023] The housing is provided with a baffle and two right-angle plug-in plates arranged below the baffle.

[0024] The baffle plate and the top of the connecting seat cooperate to stop, and the right-angle plug-in plate is plugged into the plug-in slot.

[0025] The sterilization and disinfection device for a toilet tank is special in that an annular cover plate is provided on the top of the seat body, the upper end of the overflow pipe is inserted into the seat body, and the upper end of the overflow pipe cooperates with the annular cover plate to stop.

[0026] The present invention discloses a sterilizing and disinfecting device for a toilet flushing tank. Due to the structure, after the drain valve has finished draining water, when the water inlet valve is letting in water, the sterilizing and disinfecting block is dissolved in water to form a sterilizing and disinfecting liquid, which directly enters the toilet through the overflow pipe and the drainage interface of the drain valve; and the device is easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a perspective view of the present invention.

[0028] Figure 2 It is a cross-sectional view of the present invention.

[0029] Figure 3 yes Figure 2 A-A view of.

[0030] Figure 4 It is a partial stereogram of the present invention.

[0031] Figure 5 It is one of the partial three-dimensional exploded views of the present invention.

[0032] Figure 6 It is the second partial three-dimensional exploded view of the present invention.

[0033] Figure 7 It is a three-dimensional diagram of the seat body of the present invention.

[0034] Figure 8 It is a top view of a second embodiment of the present invention.

[0035] Fig. 9 yes Figure 8 B-B view.

[0036] Fig.10 It is a perspective view of a second embodiment of the present invention.

[0037] Fig.11 It is one of the three-dimensional exploded views of the second embodiment of the present invention.

[0038] Fig.12 This is the second three-dimensional exploded view of the second embodiment of the present invention. DETAILED DESCRIPTION

[0039] The present invention will be further described below in conjunction with the accompanying drawings.

[0040] like Figure 1 As shown, a sterilization and disinfection device for a flushing water tank comprises a drain valve 1 arranged in the tank body of the flushing water tank and a water inlet valve 2 arranged in the tank body of the flushing water tank, the drain valve 1 comprises a drain interface 11 and an overflow pipe 12 connected to the drain interface, and a water supply pipe 21 is arranged on the water inlet valve 2;

[0041] It also includes a shell 3 with an upper opening, a cover 4 and a water-soluble sterilization block 5 arranged in the shell. A water inlet interface 31 and a water outlet interface 32 are arranged on the circumferential wall of the shell 3.

[0042] The sterilization block 5 is arranged in the housing 3, the cover body 4 is detachably matched with the upper opening of the housing 3 and is liquid-tight, the water inlet interface 31 is connected with the water supply pipe of the water inlet valve through the water inlet hose 61, the water outlet interface 32 is connected with the overflow pipe 12 through the water outlet hose 62, and there is a height difference between the upper end of the overflow pipe 12 and the water outlet interface 32;

[0043] The water inlet interface 31 is located at the upper part of the housing 3 , and the water outlet interface 32 is located at the lower part of the housing 3 .

[0044] When the present invention is used, in static state, water is stored in the toilet tank, the drain valve 1 is in a closed state, and the water inlet valve 2 is in a closed state;

[0045] The drain valve 1 is opened, and the drain interface 11 drains water to flush the toilet. After the drainage is completed, the drain valve 1 is closed; while the water inlet valve is taking in water, the shell 3 takes in water from the water inlet interface 31, and the sterilization and disinfection liquid in the shell 3 enters the overflow pipe 12 through the water outlet interface 32, and then enters the toilet through the drain interface 11 for sterilization and disinfection; the water inlet valve 2 stops taking in water, and the shell 3 stops discharging water.

[0046] As a further improvement of the present invention: the housing 3 includes a cylindrical portion 33 at the top, a spherical curved portion 34 at the bottom, and a guide groove 35, and the guide groove 35 extends from the cylindrical portion 33 to the spherical curved portion 35;

[0047] like Figure 2 , Figure 3 As shown, the water inlet interface 31 and the water outlet interface 32 are connected with the guide groove, the spherical curved portion 34 supports the sterilization and disinfection block 5, and a liquid storage cavity is formed between the circumferential surface of the sterilization and disinfection block 5 and the shell 3. The sterilization and disinfection block 5 and the spherical curved portion at the lower part constitute a lower liquid storage space, and the sterilization and disinfection block 5 and the shell 3 at the upper part constitute an upper liquid storage space. The upper liquid storage space and the lower liquid storage space are connected through the guide groove 35; the sterilization and disinfection block 5 is cylindrical or regular polygonal.

[0048] The inner wall of the housing 3 is provided with a plurality of arc-shaped locking blocks 36 evenly distributed in a circular shape.

[0049] The upper part of the circumferential wall of the cover body 4 is provided with an annular sealing ring groove 41, and the lower part is provided with a guide locking groove 42.

[0050] The cover body 4 is inserted into the upper end of the housing 3, and the arc-shaped locking block 36 is locked with the guide locking groove 42;

[0051] The guide locking groove 42 includes an axial groove portion 421 and a circumferential groove portion 422.

[0052] The arc-shaped locking block 36 is slidably matched with the axial groove portion 421 and locked with the circumferential groove portion 422;

[0053] The axial groove 421 is connected to one end of the circumferential groove 422, and the arc-shaped locking block 36 enters the top of the axial groove 421, and then the cover body 4 is rotated, and the arc-shaped locking block 36 is locked with the circumferential groove 422;

[0054] Or the axial groove 421 is connected to the middle of the circumferential groove 422 , the arc-shaped locking block 36 enters the circumferential groove 422 through the axial groove 421 , and then the cover body 4 is rotated clockwise or counterclockwise, and the arc-shaped locking block is locked with the circumferential groove 422 .

[0055] The top cover 4 is provided with a handle 43 along the radial direction.

[0056] like Figure 8 , Fig. 9 As shown, the cover body 4 includes a top cover plate 44 and a cylindrical plug portion 45. The diameter of the top cover plate 44 is larger than the diameter of the cylindrical plug portion 45. A guide stop groove 441 is provided at the edge of the top cover plate 44. A locking mark and an unlocking mark matching with the two ends of the guide stop groove 441 are provided on the top cover plate 44. An annular sealing ring groove 41 is provided at the upper part of the cylindrical plug portion 45, and a step 451 is provided at the lower part. A guide locking groove 42 is provided on the cylindrical plug portion 45 below the step 451. The guide locking groove 42 includes an axial groove portion 421 and a circumferential groove portion 422.

[0057] The upper end of the housing 3 is provided with a countersunk hole 37, and the housing wall below the countersunk hole 37 is provided with an arc-shaped locking block 36. The upper end surface of the arc-shaped stop block 36 and the bottom plate of the countersunk hole 37 are on the same plane; a stop block 38 is provided on the upper opening of the housing 3.

[0058] The cylindrical plug part 45 at the upper part of the step 451 is engaged with the countersunk hole 37, the step 451 is in contact with the bottom plate of the countersunk hole 37, the cylindrical plug part 45 at the lower part of the step 451 extends into the housing 3, the guide locking groove 42 is matched with the arc-shaped locking block 36, the top cover plate 44 is in contact with the upper opening end of the housing 4; the stop block 38 is matched with the guide stop groove 441;

[0059] like Figure 8 , Fig.10 As shown, the cover body 4 and the shell 3 are in a locked state, and the stop block 38 is located at one end of the guide stop groove 441; in this state, the cover body 4 is rotated counterclockwise, and the other end of the guide stop groove 441 cooperates with the stop block 38 to stop, and then the cover body 4 is moved upward, and the arc-shaped locking block 36 enters the axial groove portion 421 from the circumferential groove portion 422, and continues to move, and the arc-shaped locking block 36 leaves the axial groove portion 421, separating the cover body 4 from the shell 3.

[0060] As a further improvement of the present invention: it also includes a seat body 7 with upper and lower openings arranged on the overflow pipe 12, the seat body 7 is provided with a water guide seat 71, and the water guide seat is provided with a water guide hole 711;

[0061] The water outlet hose 62 is connected to the water guide hole; the housing 3 is detachably connected to the water guide seat 61;

[0062] An annular cover plate 73 is disposed on the top of the seat body 7 , and the upper end of the overflow pipe 12 is inserted into the seat body 7 , and the upper end of the overflow pipe 12 cooperates with the annular cover plate 73 to stop.

[0063] The seat body 7 is provided with a connecting seat 72, and two ends of the side surface of the connecting seat 72 are provided with symmetrical plug-in slots 721;

[0064] The housing 3 is provided with a baffle 37 and two right-angle plug-in plates 38 arranged below the baffle.

[0065] The baffle plate 37 is matched with the top of the connection seat 72 to stop, and the right-angle plug-in plate 38 is plugged into the plug-in slot 721 .

[0066] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims

1. A sterilization and disinfection device for a toilet tank, comprising a drain valve arranged in the tank body of the toilet tank and a water inlet valve arranged in the tank body of the toilet tank, the drain valve comprising an overflow pipe connected to a drain interface, and a water supply pipe is arranged on the water inlet valve; characterized in that: It also includes a shell with an upper opening, a cover body and a water-soluble sterilization block arranged in the shell. The circumferential wall of the shell is provided with a water inlet interface and a water outlet interface. The sterilization block is arranged in the shell, the cover body and the upper opening of the shell are detachably matched and liquid-tight, the water inlet interface is connected to the water supply pipe of the water inlet valve, and the water outlet interface is connected to the overflow pipe; In static state, water is stored in the box, the drain valve is in the closed state, and the water inlet valve is in the closed state; The drain valve is opened, the drain interface drains water to flush the toilet, and after the drainage is completed, the drain valve is closed; while the water inlet valve is inletting water, the shell is inletted from the water inlet interface, and the sterilization and disinfection liquid in the shell enters the overflow pipe through the water outlet interface, and then enters the toilet through the drain interface for sterilization and disinfection; The water inlet valve stops taking in water, and the shell stops discharging water; The housing comprises a cylindrical portion at the top, a spherical curved portion at the bottom and a guide groove, wherein the guide groove extends from the cylindrical portion to the spherical curved portion; The water inlet interface and the water outlet interface are connected to the guide groove, and the spherical curved surface portion supports the sterilization and disinfection block; The inner wall of the shell is provided with a plurality of arc-shaped locking blocks evenly distributed in a circular shape. The upper part of the circumferential wall of the cover body is provided with an annular sealing ring groove, and the lower part is provided with a guide locking groove, and the guide locking groove includes an axial groove part and a circumferential groove part; The cover body is inserted into the upper end of the shell, and the arc-shaped locking block is slidably matched with the axial groove portion and locked with the circumferential groove portion; The cover body comprises a top cover plate and a cylindrical plug part, wherein the diameter of the top cover plate is larger than the diameter of the cylindrical plug part, and a guide stop groove is provided at the edge of the top cover plate; an annular sealing ring groove is provided at the upper part of the cylindrical plug part, and a step is provided at the lower part, and a guide locking groove is provided on the cylindrical plug part below the step, and the guide locking groove comprises an axial groove part and a circumferential groove part; The upper end of the shell is provided with a countersink, and the shell wall below the countersink is provided with an arc-shaped locking block, and the upper end surface of the arc-shaped stop block and the bottom plate of the countersink are on the same plane; a stop block is provided on the upper opening of the shell, The cylindrical plug part is embedded in the countersunk hole, the step is fitted with the bottom plate of the countersunk hole, the guide locking groove is matched with the arc-shaped locking block, the top cover plate is fitted with the upper opening end of the shell body; the stop block is matched with the guide stop groove.

2. A sterilization and disinfection device for a toilet flushing tank according to claim 1, characterized in that: The water inlet interface is located at the upper part of the shell, and the water outlet interface is located at the lower part of the shell.

3. A sterilization and disinfection device for a toilet flushing tank according to claim 1, characterized in that: There is a height difference between the upper end of the overflow pipe and the water outlet interface.

4. A sterilization and disinfection device for a toilet flushing tank according to claim 1, 2 or 3, characterized in that: It also includes a seat body with upper and lower openings arranged on the overflow pipe, a water guide seat is arranged on the seat body, and a water guide hole is arranged on the water guide seat; The water outlet interface is connected to the water guide hole through a water outlet hose; and the shell is connected to the water guide seat.

5. A sterilization and disinfection device for a toilet flushing tank according to claim 4, characterized in that: The shell body is detachably connected to the seat body.

6. A sterilization and disinfection device for a toilet flushing tank according to claim 4, characterized in that: The seat body is provided with a connecting seat, and two ends of the side surface of the connecting seat are provided with symmetrical plug-in grooves; The housing is provided with a baffle and two right-angle plug-in plates arranged below the baffle. The baffle plate and the top of the connecting seat cooperate to stop, and the right-angle plug-in plate is plugged into the plug-in slot.

7. A sterilization and disinfection device for a toilet flushing tank according to claim 4, characterized in that: An annular cover plate is provided on the top of the seat body, and the upper end of the overflow pipe is inserted into the seat body, and the upper end of the overflow pipe cooperates with the annular cover plate to stop.

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