Sterilization and disinfection device for flushing water tank and flushing water tank

Abstract

A sterilization and disinfection device for a toilet tank, comprising a shell, a float and a spherical body, wherein the shell comprises an upper opening liquid storage chamber for storing disinfectant, a lower opening float chamber and a one-way valve seat arranged on a partition, wherein the one-way valve seat comprises an inverted cone chamber located at the bottom, a cylindrical chamber located at the top and an axial protrusion arranged on the inner wall of the cylindrical chamber; a push rod is arranged on the top plate of the float; the spherical body is arranged in the one-way valve seat, and the spherical body cooperates with the inverted cone chamber to cut off and slides with the cylindrical chamber; the float is kept in the float chamber, the push rod extends into the inverted cone chamber to cooperate with the spherical body, and the annular protrusion and the top plate of the float constitute a small liquid storage chamber. Due to the adoption of such a structure, the float changes with the water level of the toilet tank, adds disinfectant into the toilet tank, and automatically cuts off; a toilet tank, after removing the tank cover, can add disinfectant into the sterilization and disinfection device, and after each flushing, automatically adds disinfectant into the tank in a quantitative manner.

Description

Technical Field

[0001] The invention relates to a toilet flushing water tank. Background Art

[0002] The existing technology at present is a toilet flushing water tank, which is characterized by comprising a box body with an upper opening, a box cover and a flushing valve, and an overflow pipe is provided on the flushing valve. The problem is that it is inconvenient to disinfect. 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 can add disinfectant to the toilet flushing water tank after each flushing, and is easy to use.

[0004] Another object of the present invention is to provide a water tank for flushing toilets, which has a sterilizing and disinfecting device, is convenient for adding disinfectant, and automatically adds disinfectant into the tank after each flushing.

[0005] The present invention is implemented as follows: a sterilization and disinfection device for a toilet tank, which is special in that it includes a shell, a float and a spherical body.

[0006] The housing comprises a liquid storage cavity with an upper opening for storing disinfectant, a float cavity with a lower opening, and a one-way valve seat arranged on a partition, and a ring-shaped protrusion surrounding the lower end of the one-way valve seat is arranged on the surface of the partition located in the float cavity; the one-way valve seat comprises an inverted frustum cavity located at the lower part, a cylindrical cavity located at the upper part, and an axial protrusion arranged on the inner wall of the cylindrical cavity;

[0007] A top rod is provided on the top plate of the buoy;

[0008] The sphere is arranged in the one-way valve seat, the sphere cooperates with the inverted frustum-shaped cavity to be cut off, and cooperates with the cylindrical cavity in a sliding manner; the float is kept in the float cavity, the push rod extends into the inverted frustum-shaped cavity to cooperate with the sphere, and the annular protrusion and the top plate of the float form a small liquid storage cavity.

[0009] The sterilization and disinfection device for a flushing water tank is special in that: an axial guide groove is provided on the outer peripheral wall of the float;

[0010] At least two hooks are provided at the lower end of the buoy cavity, and an axial guide plate is provided on the inner wall of the buoy cavity;

[0011] The hook portion of the buckle hook is matched with the lower end of the float, and the axial guide plate is slidably matched with the axial guide groove.

[0012] The sterilization and disinfection device for a flushing water tank is special in that: the shell is provided with a shell avoidance groove, and a fixing seat is provided on the upper part of the shell avoidance groove; the floating cylinder is provided with a cylinder avoidance groove, and the shell avoidance groove and the cylinder avoidance groove are slidably matched;

[0013] The fixing seat is fixedly connected to the upper end of the overflow pipe of the flushing valve in the toilet water tank.

[0014] The sterilization and disinfection device for a toilet flushing tank is special in that a cavity with an upper opening is arranged on the top plate of the float, and the top rod is arranged on the bottom plate of the cavity.

[0015] The sterilization and disinfection device for a toilet tank is special in that it also includes a circular one-way valve cover, and a circular slot is provided at the lower end of the one-way valve cover.

[0016] The upper end of the one-way valve seat is inserted into the annular plug-in groove.

[0017] The sterilization and disinfection device for flushing water tanks is special in that: the annular plug-in groove of the one-way valve cover is provided with a radial clamping plate, and the one-way valve seat is provided with an axial hole connected with the annular plug-in groove;

[0018] The cylindrical cavity of the one-way valve seat is provided with a radial groove and a fixing hook at the upper end;

[0019] The radial clamping plate is engaged with the radial clamping groove, and the hook portion of the fixed buckle hook extends into the axial hole and is engaged with the bottom plate of the axial hole.

[0020] The sterilization and disinfection device for a flushing water tank is special in that it also includes a top cover that is buckled with the upper opening of the liquid storage chamber, a liquid adding hole is provided on the top plate of the top cover, and a latch is provided on the circumferential wall plate;

[0021] A latch tongue hole is arranged on the wall plate of the liquid storage cavity, the circumferential wall plate of the top cover is inserted into the liquid storage cavity, and the latch tongue is engaged with the latch tongue hole.

[0022] The sterilization and disinfection device for a toilet tank is special in that a spherical curved surface or an inverted truncated cone-shaped liquid adding cavity with an upper opening is provided on the top plate of the top cover, and the liquid adding hole is provided on the bottom plate of the liquid adding cavity.

[0023] The sterilization and disinfection device for a toilet tank is special in that: a radial cavity with a lower opening is provided on the top cover, one end of the radial cavity extending to the center of the top cover is semicircular, and a liquid guide hole is provided at the intersection of the semicircle and the bottom plate of the liquid adding cavity.

[0024] A toilet flushing water tank comprises a tank body with an upper opening, a tank cover, a flushing valve and the above-mentioned sterilization and disinfection device, wherein the sterilization and disinfection device is arranged in the tank body.

[0025] The toilet flushing water tank is special in that the sterilization and disinfection device fixes the upper end of the overflow pipe of the flushing valve.

[0026] The present invention discloses a sterilization and disinfection device for a toilet tank. Due to the structure, a float changes with the water level of the toilet tank, disinfectant is added into the toilet tank and the operation is automatically stopped. A sterilization and disinfection device for a toilet tank can add disinfectant into the sterilization and disinfection device after the tank cover is removed. After each flushing, a quantitative amount of disinfectant is automatically added into the tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a cross-sectional view of the present invention.

[0028] Figure 2 yes Figure 1 A-A view of.

[0029] Figure 3 yes Figure 1 B view.

[0030] Figure 4 yes Figure 1 C-C view of the .

[0031] Figure 5 It is a perspective view of the present invention.

[0032] Figure 6 It is one of the three-dimensional exploded views of the present invention.

[0033] Figure 7 It is the second of the three-dimensional exploded diagrams of the present invention.

[0034] Figure 8 It is a partial three-dimensional exploded view of the present invention.

[0035] Fig. 9 It is a three-dimensional view of the valve cover of the present invention.

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

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] like Figure 1 , Figure 2 , Figure 3 As shown, a sterilization and disinfection device for a flushing water tank comprises a housing 1, a float 2 and a spherical body 3.

[0039] The housing 1 includes an upper-opening liquid storage chamber 4 for storing disinfectant, a lower-opening float chamber 5, and a one-way valve seat 6 arranged on a partition. The surface of the partition located in the float chamber 5 is provided with an annular protrusion 53 surrounding the lower end of the one-way valve seat 61; the one-way valve seat 6 includes an inverted frustum chamber 61 located at the lower part, a cylindrical chamber 62 located at the upper part, and an axial protrusion arranged on the inner wall of the cylindrical chamber 62, and the cross section of the axial protrusion is in the shape of a circular arc;

[0040] A top rod 2A is provided on the top plate of the buoy 2;

[0041] The spherical body 3 is arranged in the one-way valve seat 6, and the spherical body 3 is cut off in cooperation with the inverted frustum-shaped cavity 61 and is slidably matched with the cylindrical cavity 62; the float 2 is kept in the float cavity 5, and the top rod 2A extends into the inverted frustum-shaped cavity 61 and cooperates with the spherical body 3, the annular protrusion 53 and the top plate of the float 2 form a small liquid storage cavity 10, and the liquid storage cavity 4 is connected to the small liquid storage cavity 10; a pressure relief hole 54 is provided on the wall of the float cavity 5.

[0042] like Figure 1 As shown, in Figure 1 In this state, the driving device of the flushing water tank is operated, and the water level in the water tank drops rapidly. When the water level in the water tank is below the float 2, the float 2 moves downward under the action of gravity, and the top rod 2A separates from the spherical body 3. The spherical body 3 cooperates with the inverted frustum-shaped cavity 61 to be cut off; the sterilizing and disinfecting liquid in the small liquid storage cavity 10 enters the float cavity 5, and then enters the water tank through the gap between the float 2 and the float cavity 5;

[0043] After the flushing valve is flushed, water enters the water tank, the water level in the water tank rises, and the float 2 moves upward; the top rod 2A drives the sphere 3 to move upward, and the water level in the water tank continues to rise. When the water level is higher than the top of the float 2, the top rod 2A drives the sphere 3 to move upward, and the sphere 3 is separated from the inverted frustum-shaped cavity 61; the top plate of the float 2 fits with the annular protrusion 53. The sterilizing and disinfecting liquid in the liquid storage chamber 4 enters the small liquid storage chamber 10.

[0044] An axial guide groove 2B is provided on the outer peripheral wall of the buoy 2;

[0045] At least two hooks 51 are provided at the lower end of the float chamber 5, and an axial guide plate 52 is provided on the inner wall of the float chamber 5;

[0046] The hook portion of the hook 51 cooperates with the lower end of the buoy 2, and the axial guide plate 52 slidably cooperates with the axial guide groove 2B. With such a structure, it is possible to ensure that the buoy 2 moves up and down along the axis.

[0047] As a further improvement of the present invention: the shell 1 is provided with a shell avoidance groove 1A, which is formed by the outer surface of the shell 1 convexly facing the shell; a fixing seat 1B is provided on the upper part of the shell avoidance groove 1A, which is formed by the outer surface of the buoy 2 convexly facing the inner surface of the buoy;

[0048] The buoy 2 is provided with a cylinder avoidance groove 2C, and the shell avoidance groove 1A and the cylinder avoidance groove 2C are slidably matched;

[0049] like Fig.10 As shown, the fixing seat 1B is fixedly connected to the upper end of the overflow pipe 71 of the flushing valve 7 in the toilet tank, and the overflow pipe 71 is embedded in the air-avoiding groove 1A.

[0050] A cavity 2D with an upper opening is provided on the top plate of the buoy 2, and the top rod 2A is provided on the bottom plate of the cavity 2D.

[0051] As a further improvement of the present invention, it also includes a circular one-way valve cover 8, and a circular slot 81 is provided at the lower end of the one-way valve cover 8.

[0052] The upper end of the one-way valve seat 6 is inserted into the annular plug-in groove 81;

[0053] The annular plug-in groove 81 of the one-way valve cover 8 is provided with a radial clamping plate 811, and the one-way valve seat is provided with an axial hole 82 which is connected with the annular plug-in groove 81;

[0054] The cylindrical cavity 62 of the one-way valve seat 6 is provided with a radial groove 621 and a fixing hook 622 at the upper end;

[0055] The radial clamping plate 811 is engaged with the radial clamping groove 621 , and the hook portion of the fixing hook 622 extends into the axial hole 82 and is engaged with the bottom plate of the axial hole 82 .

[0056] As a further improvement of the present invention: it also includes a top cover 9 that is buckled with the upper opening of the liquid storage chamber 4, and a liquid adding hole 91 is provided on the top plate of the top cover 9, and a latch tongue 92 is provided on the circumferential wall plate;

[0057] A tongue hole 41 is provided on the wall plate of the liquid storage chamber 4, the circumferential wall plate of the top cover 9 is inserted into the liquid storage chamber 4, and the tongue 92 is engaged with the tongue hole 41;

[0058] The top plate of the top cover 9 is provided with a spherical curved surface or an inverted truncated cone-shaped liquid adding cavity 93 with an upper opening, and the liquid adding hole 91 is provided on the bottom plate of the liquid adding cavity 93, and the liquid adding hole 91 is in an arc shape;

[0059] The top cover 9 is provided with a radial cavity 94 with a lower opening. The radial cavity 94 extends to one end of the center of the top cover 9 and is semicircular. A liquid guide hole 942 is provided at the intersection of the semicircular part 941 and the bottom plate of the liquid adding cavity 93.

[0060] like Fig.10 As shown, a toilet flushing tank includes an upper opening box body, a box cover, a flushing valve 7 and the sterilization and disinfection device as described above, wherein a fixing seat 1B on the shell 1 of the sterilization and disinfection device is fixedly connected to an overflow pipe 71 of the flushing valve 7; the overflow pipe 71 is embedded in the air avoidance groove 1A.

[0061] 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 flushing tank, characterized in that: It includes a shell, a buoy and a sphere. The housing comprises a liquid storage cavity with an upper opening for storing disinfectant, a float cavity with a lower opening, and a one-way valve seat arranged on a partition, and a ring-shaped protrusion surrounding the lower end of the one-way valve seat is arranged on the surface of the partition located in the float cavity; the one-way valve seat comprises an inverted frustum cavity located at the lower part, a cylindrical cavity located at the upper part, and an axial protrusion arranged on the inner wall of the cylindrical cavity; A top rod is provided on the top plate of the buoy; The spherical body is arranged in the one-way valve seat, the spherical body is cut off in cooperation with the inverted cone-shaped cavity and is slidably matched with the cylindrical cavity; the float is kept in the float cavity, the push rod extends into the inverted cone-shaped cavity and matches with the spherical body, and the annular protrusion and the top plate of the float form a small liquid storage cavity; It also includes a circular one-way valve cover, and a ring-shaped slot is provided at the lower end of the one-way valve cover. The upper end of the one-way valve seat is inserted into the annular plug-in groove; The annular plug-in groove of the one-way valve cover is provided with a radial clamping plate, and the one-way valve seat is provided with an axial hole connected to the annular plug-in groove; The cylindrical cavity of the one-way valve seat is provided with a radial groove and a fixing hook at the upper end; The radial clamping plate is engaged with the radial clamping groove, and the hook portion of the fixed hook extends into the axial hole and is engaged with the bottom plate of the axial hole; It also includes a top cover that is buckled with the upper opening of the liquid storage cavity, the top plate of the top cover is provided with a liquid adding hole, and the circumferential wall plate is provided with a latch tongue; A latch tongue hole is arranged on the wall plate of the liquid storage cavity, the circumferential wall plate of the top cover is inserted into the liquid storage cavity, and the latch tongue is engaged with the latch tongue hole.

2. A sterilization and disinfection device for a toilet flushing tank according to claim 1, characterized in that: An axial guide groove is provided on the outer circumferential wall of the buoy; At least two hooks are provided at the lower end of the buoy cavity, and an axial guide plate is provided on the inner wall of the buoy cavity; The hook portion of the buckle hook is matched with the lower end of the float, and the axial guide plate is slidably matched with the axial guide groove.

3. A sterilization and disinfection device for a toilet flushing tank according to claim 1, characterized in that: The shell body is provided with a shell avoidance groove, and a fixing seat is provided on the upper part of the shell avoidance groove; the buoy is provided with a cylinder avoidance groove, and the shell avoidance groove and the cylinder avoidance groove are slidably matched; The fixing seat is fixedly connected to the upper end of the overflow pipe of the flushing valve in the toilet water tank.

4. A sterilization and disinfection device for a toilet flushing tank according to claim 1, characterized in that: A cavity with an upper opening is arranged on the top plate of the buoy, and the top rod is arranged on the bottom plate of the cavity.

5. A sterilization and disinfection device for a toilet flushing tank according to claim 1, characterized in that: A spherical curved surface or an inverted truncated cone-shaped liquid adding cavity with an upper opening is arranged on the top plate of the top cover, and the liquid adding hole is arranged on the bottom plate of the liquid adding cavity.

6. A sterilization and disinfection device for a toilet tank according to claim 5, characterized in that: The top cover is provided with a radial cavity with a lower opening, and one end of the radial cavity extending to the center of the top cover is semicircular, and a liquid guide hole is provided at the intersection of the semicircular part and the bottom plate of the liquid adding cavity.

7. A toilet flushing tank, characterized in that: It comprises a box body with an upper opening, a box cover, a flushing valve and the sterilization and disinfection device according to any one of claims 1 to 6, wherein the sterilization and disinfection device is arranged in the box body.

8. A toilet flushing tank according to claim 7, characterized in that: The sterilization and disinfection device fixes the upper end of the overflow pipe of the flush valve.

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