CN219315913U - Double water stop structure water inlet valve - Google Patents

Abstract

The utility model provides a water inlet valve with a double water stop structure, comprising a valve body, a first water stop component, a second water stop component, a first buoy and a second buoy. The valve body is provided with a water inlet channel and a water outlet channel. Both the first water stop component and the second water stop component are installed on the valve body: the first buoy is connected to control the first water stop component to open/block the water inlet channel. The second buoy is connected to control the second water stop component to open/block the water inlet channel, and the second buoy is located above the first buoy. In the utility model, by setting the second buoy and the second water-stop component, when the first water-stop component fails, the second water-stop component as a backup can be activated and block the waterway, thereby avoiding the problem of continuous water inflow into the toilet tank. Also avoid wastage of water.

Description

Double water stop structure water inlet valve

technical field

The utility model relates to a water inlet valve with a double water stop structure.

Background technique

The water inlet valve of the toilet has the function of automatic water stop. When the water inlet valve water stop pad fails, the water inlet valve will always enter the water. When there is too much water in the water tank, it will flow into the toilet from the overflow pipe, causing the toilet to easily The sound of running water and water inflow will bring troubles to the life of consumers, and it will also cause a conspicuous trace of scale in the toilet, which is difficult to clean, and it will also cause the problem of wasting water.

Contents of the invention

In order to solve the above technical problems, the utility model proposes a structure capable of effectively preventing the water inlet valve from leaking.

The water inlet valve with double water-stop structure includes a valve body, a first water-stop component, a second water-stop component, a first buoy, and a second buoy, wherein,

The valve body is provided with a water inlet channel and a water outlet channel.

Both the first water stop component and the second water stop component are installed on the valve body: the first buoy is connected to control the first water stop component to open/block the water inlet channel.

The second buoy is connected to control the second water stop component to open/block the water inlet channel, and the second buoy is located above the first buoy.

When the first water-stop component fails or leaks, the first water-stop component cannot close the water inlet, and in the continuous water-inflow state, the water level rises to the position of the second buoy, which causes the second buoy to float, and then Drive the second water stop component to block the water inlet channel to realize water stop.

In the utility model, by setting the second buoy and the second water stop component, in the case of failure of the first water stop component, the second water stop component as a backup can be activated and block the waterway, thereby avoiding the problem of continuous water inflow into the toilet tank, Also avoid wastage of water.

Preferably, the valve body is provided with a first installation port and a second installation port for respectively installing the first water stop assembly and the second water stop assembly. The first installation port and the second installation port are the same installation port or different installation ports, which can be designed according to actual needs and installation space.

Preferably, the first installation port is provided with a water inlet and a water outlet. The second installation port is provided with a water inlet hole and a water outlet hole. The water inlet of the first installation port is connected to the water inlet channel of the valve body, the water inlet hole of the second installation port is connected to the water outlet of the first installation port, and the water outlet hole is connected to the water outlet of the valve body. Outlet channel. The first water stop component opens/blocks the water inlet. The second water stop component opens/blocks the water outlet hole.

Preferably, the water inlet and the water outlet of the first installation port are arranged coaxially, and the water outlet surrounds the water inlet. The first water-stop component includes a blocking piece, an end cap and a rocker. The blocking sheet is installed at the positions of the water inlet and the water outlet. The blocking piece is installed movably or adopts an elastic member, and is provided with a water hole to connect/block the water inlet and the water outlet. The end cover covers the first installation opening and forms a pressure relief cavity, and the end cover is provided with a pressure relief hole. The rocker is movably installed on the end cover or the valve body. The first buoy is connected to drive the rocker to swing, so as to open/block the pressure relief hole. In use, when the water level rises, the first buoy floats up and drives the pendulum to block the pressure relief hole. The water in the water inlet channel enters into the pressure relief chamber through the water passage hole of the blocking sheet, and the blocking sheet compresses the water inlet and the water outlet under the action of water pressure. When the water level drops, the first buoy is lowered and drives the pendant to open the pressure relief hole, and the water in the pressure relief chamber is discharged through the pressure relief hole, releasing the pressure on the blocking piece , the blocking sheet is washed away by the water in the water inlet, thereby realizing the communication between the water inlet and the water outlet.

Preferably, the blocking piece is installed on the bottom of the groove of the first installation opening by using an elastic member. The end cap presses the periphery of the blocking piece, and is provided with a guide rod passing through the water hole.

Preferably, the second water stop assembly includes a plug, a connecting piece and a lifting rod. The plug is movably installed and close to the water outlet hole. The bottom end of the lifting rod is installed on the second buoy, and the top end extends into the water outlet channel including the valve body and is connected to drive one end of the connecting piece, and the other end of the connecting piece passes through the water outlet hole and The connection drives the plug to block/open the water outlet hole. When in use, when the first water stop component fails, the water level continues to rise, causing the second buoy to float up and drive the lifting rod to move up, so that the plug is pulled up through the connecting piece to block the water outlet , to achieve water-stop effect. When the water level drops, the second buoy and the elevating rod fall, and the connecting piece drives the plug to move down, or the plug falls under the action of gravity, and the water outlet hole is opened again.

Preferably, the direction of the water outlet hole is upward and coaxial with the water outlet channel of the valve body, and the water outlet channel of the valve body surrounds the water outlet hole. The lower part of the water outlet channel of the valve body is provided with a contraction, and a perforation is provided at the contraction position. The lifting rod enters the water outlet channel through the perforation, and extends upward to the position of the water outlet hole.

Preferably, in order to improve the stability of the second water stop component, there are at least two lifting rods, which are evenly distributed around the water outlet hole and connected at the top. The connecting piece is a connecting rod, or the connecting rod is a pull rope, and the plug is a metal block.

Preferably, a non-return member or a filter is provided between the water inlet hole and the water outlet hole of the second installation port, so as to avoid backflow of the water flow.

Preferably, the second buoy is provided with guide holes. The second buoy is located right above the first buoy. The screw rod of the first buoy passes through the guide hole and connects with the first water stop assembly, which has a compact structure.

As can be seen from the above description of the utility model, the utility model has the following beneficial effects:

By setting the second buoy and the second water stop component, in the case of failure of the first water stop component, the second water stop component as a backup can be activated and block the waterway, thereby avoiding the problem of continuous water inflow into the toilet tank and avoiding water leakage. waste of

Passing the screw rod of the first buoy through the second buoy can not only guide and limit the moving direction of the second buoy, but also make the overall structure of the water inlet valve more compact.

Description of drawings

The drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model .

in:

Figure 1 is an axial side view of the water inlet valve with a double water stop structure

Fig. 2 is the second axial side view of the water inlet valve with double water stop structure;

Fig. 3 is the front view of the water inlet valve with double water stop structure;

Fig. 4 is a sectional view 1 of a water inlet valve with a double water stop structure;

Fig. 5 is the second cross-sectional view of the double water stop structure water inlet valve;

Fig. 6 is a sectional view three of a water inlet valve with a double water stop structure;

Fig. 7 is a cross-sectional view of the water inlet valve of the double water-stop structure in a normal water-passing state;

Fig. 8 is another cross-sectional view of the water inlet valve of the double water-stop structure in the normal water-passing state;

Fig. 9 is a cross-sectional view of the water-stop state of the second water-stop group of the double water-stop structure inlet valve;

The signs in Fig. 1 to Fig. 9 are: valve body 1, water inlet channel 11, water outlet channel 12, first installation port 13, water inlet 131, water outlet 132, second installation port 14, water inlet hole 141, water outlet Hole 142, non-reverse member 15, first water stop component 2, blocking piece 21, end cap 22, pendant 23, second water stop component 3, plug 31, connector 32, lifting rod 33, first buoy 4 , the second buoy 5.

Implementation

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer and clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1 to Fig. 6, the water inlet valve with double water-stop structure includes a valve body 1, a first water-stop assembly 2, a second water-stop assembly 3, a first buoy 4, and a second buoy 5, wherein,

The valve body 1 is provided with a water inlet channel 11 and a water outlet channel 12 .

Both the first water-stop assembly 2 and the second water-stop assembly 3 are installed on the valve body 1 : the first buoy 4 is connected to control the first water-stop assembly to open/block the water inlet channel 11 . The second buoy 5 is connected to control the second water stop assembly to open/block the water inlet channel 11 , and the second buoy 5 is located above the first buoy 4 . In one embodiment, the second buoy 5 is provided with a guide hole. The second buoy 5 is located right above the first buoy 4 . The screw rod of the first buoy 4 passes through the guide hole and connects with the first water-stop assembly 2, which has a compact structure. When the first water-stop component 2 fails or leaks, the first water-stop component 2 cannot close the water inlet. In the state of continuous water inflow, the water level rises to the position of the second buoy 5 and causes the second buoy to 5 floats up, and then drives the second water stop assembly to block the water inlet channel 11, so as to realize the water stop.

In one embodiment, the valve body 1 is provided with a first installation port 13 and a second installation port 14 for installing the first water stop assembly 2 and the second water stop assembly 3 respectively.

The first installation port 13 is provided with a water inlet 131 and a water outlet 132 . The second installation port 14 is provided with a water inlet hole 141 and a water outlet hole 142 . The water inlet 131 of the first installation port 13 is connected to the water inlet passage 11 of the valve body 1, the water inlet 141 of the second installation port 14 is connected to the water outlet 132 of the first installation port 13, and the The water outlet hole 142 communicates with the water outlet channel 12 of the valve body 1 . The first water stop component 2 opens/blocks the water inlet 131 . The second water stop component opens/blocks the water outlet hole 142 .

In this embodiment, the first installation port 13 and the second installation port 14 are different installation ports. The two installation ports 14 are set as the same installation port.

The water inlet 131 and the water outlet 132 of the first installation port 13 are arranged coaxially, and the water outlet 132 surrounds the water inlet 131 . The first water-stop assembly 2 includes a sealing piece 21 , an end cap 22 and a rocker 23 . The blocking sheet 21 is installed at the positions of the water inlet 131 and the water outlet 132 . The blocking piece 21 is installed movably or adopts an elastic member, and is provided with a water hole to connect/block the water inlet 131 and the water outlet 132 . The end cover 22 covers the first installation opening 13 and forms a pressure relief cavity, and the end cover 22 is provided with a pressure relief hole 221 . The rocker 23 is movably installed on the end cover 22 or the valve body 1 . The first buoy 4 is connected to drive the rocker 23 to swing, so as to open/block the pressure relief hole 221 . In this embodiment, the sealing piece 21 adopts an elastic member and is installed at the bottom of the groove of the first installation opening 13 . The end cap 22 presses the periphery of the blocking piece 21 and is provided with a guide rod passing through the water hole.

In use, when the water level rises, the first buoy 4 floats up and drives the pendulum 23 to block the pressure relief hole 221 . The water in the water inlet channel 11 enters the pressure relief chamber through the water hole of the sealing piece 21, and the sealing piece 21 compresses the water inlet 131 and the water outlet 132 under the action of water pressure. . When the water level drops, the first buoy 4 is lowered and drives the rocker 23 to open the pressure relief hole 221, the water in the pressure relief chamber is discharged through the pressure relief hole 221, and the pressure on the seal is removed. Due to the pressure of the blocking sheet 21, the blocking sheet 21 is washed away by the water in the water inlet 131, thereby realizing the communication between the water inlet 131 and the water outlet 132.

The second water stop assembly 3 includes a plug 31 , a connecting piece 32 and a lifting rod 33 . The plug 31 is movably installed and close to the water outlet hole 142 . The bottom end of the lifting rod 33 is installed on the second buoy 5, and the top end extends into the water outlet channel 12 of the valve body 1 and is connected to drive one end of the connecting piece 32, and the other end of the connecting piece 32 passes through Pass through the water outlet hole 142 and connect to drive the plug 31 to block/open the water outlet hole 142. In this embodiment, the water outlet hole 142 faces upwards and is arranged coaxially with the water outlet channel 12 of the valve body 1 , and the water outlet channel 12 of the valve body 1 surrounds the water outlet hole 142 . The lower part of the water outlet channel 12 of the valve body 1 is provided with a contraction, and a perforation is provided at the contraction position. The lifting rod 33 enters the water outlet channel 12 through the perforation, and extends upward to the position of the water outlet hole 142 . In addition, in order to improve the stability of the second water stop assembly 3 , at least two lifting rods 33 are evenly distributed around the water outlet hole 142 and connected at the top. The connecting member 32 is a connecting rod, or, in other embodiments, the connecting rod is a pull rope, and the plug 31 is a metal block, which can be lowered by its own gravity. In this embodiment, the top surface of the plug 31 is conical, and in other embodiments, a spherical surface, a flat surface, a semicircular arc surface, etc. may also be used.

When in use, when the first water-stop component 2 fails, the water level continues to rise, causing the second buoy 5 to float up and drive the lifting rod 33 to move upward, thereby pulling the plug 31 upward through the connecting piece 32 to move the The water outlet hole 142 is blocked to realize the water-stopping effect. When the water level drops, the second buoy 5 and the elevating rod 33 fall, and the connecting piece 32 drives the plug 31 to move down, or the plug 31 falls under the action of gravity, and the water outlet hole 142 is opened again. .

In order to avoid the phenomenon of water backflow, in one embodiment, a non-return member 15, such as a one-way valve, is provided between the water inlet hole 141 and the water outlet hole 142 of the second installation port 14, and in other embodiments, also Can be a filter.

When the water valve provided by the utility model is in the normal water intake process, please refer to Fig. 7 and Fig. 8, the sealing piece 21 and the plug 31 are both open, and the water flow route is as shown in the figure. When the water in the water tank reaches a preset height, and in the case of failure of the first water stop component 2, the second water stop component 3 as a backup can be activated and block the waterway, thereby avoiding the problem of continuous water inflow into the toilet tank, and also Avoid wasting water, as shown in Figure 9.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the utility model, or Directly applying the ideas and technical solutions of the utility model to other occasions without improvement is within the protection scope of the utility model.

Claims (10)

1. The water inlet valve with double water-stop structure is characterized in that it includes a valve body, a first water-stop component, a second water-stop component, a first buoy, and a second buoy; The valve body is provided with a water inlet channel and a water outlet channel; Both the first water stop component and the second water stop component are installed on the valve body: the first buoy is connected to control the first water stop component to open/block the water inlet channel; The second buoy is connected to control the second water stop component to open/block the water inlet channel, and the second buoy is located above the first buoy. 2. The water inlet valve with double water-stop structure according to claim 1, characterized in that, the valve body is provided with a first installation port and a second installation port for respectively installing the first water-stop assembly and the second water-stop assembly. Two water stop components; the first installation port and the second installation port are the same installation port or different installation ports. 3. The water inlet valve with double water stop structure according to claim 2, characterized in that, the first installation port is provided with a water inlet and a water outlet; the second installation port is provided with a water inlet and a water outlet; The water inlet of the first installation port is connected to the water inlet channel of the valve body, the water inlet hole of the second installation port is connected to the water outlet of the first installation port, and the water outlet hole is connected to the water outlet of the valve body. Water outlet channel; the first water stop component opens/blocks the water inlet; the second water stop component opens/blocks the water outlet hole. 4. The water inlet valve with double water stop structure according to claim 3, characterized in that, the water inlet and the water outlet of the first installation port are arranged coaxially, and the water outlet surrounds the water inlet; A water stop assembly includes a blocking piece, an end cap and a pendant; the blocking piece is installed at the position of the water inlet and the water outlet; the blocking piece is installed movably or adopts an elastic piece, and is provided with a water hole, Connecting/blocking the water inlet and water outlet; the end cover covers the first installation port and forms a pressure relief chamber, and the end cover is provided with a pressure relief hole; the pendulum is movably installed on the end cover or on the valve body; the first buoy is connected to drive the rocker to swing to open/block the pressure relief hole. 5. The water inlet valve with double water-stop structure according to claim 4, characterized in that, the sealing piece adopts an elastic member and is installed on the groove bottom of the first installation port; the end cover presses the sealing piece The peripheral portion of the blocking sheet is provided with a guide rod passing through the water hole. 6. The water inlet valve with double water-stop structure according to claim 3, characterized in that, the second water-stop component includes a plug, a connecting piece and a lifting rod; the plug is movably installed and close to the water outlet hole The bottom end of the lifting rod is installed on the second buoy, and the top end extends into the water outlet channel of the valve body and is connected to drive one end of the connecting piece, and the other end of the connecting piece passes through the water outlet hole And connected to drive the plug to block/open the water outlet hole. 7. The water inlet valve with double water stop structure according to claim 6, characterized in that, the direction of the water outlet hole is upward, and it is arranged coaxially with the water outlet channel of the valve body, and the water outlet channel of the valve body Surrounding the water outlet hole; the lower part of the water outlet channel of the valve body is provided with a contraction, and a perforation is provided at the contracted position; the lifting rod enters the water outlet channel through the perforation, and extends upward to the position of the water outlet hole. 8. The water inlet valve with double water stop structure according to claim 6 or 7, characterized in that there are at least two lifting rods, which are evenly distributed around the circumference of the water outlet hole, and the tops are connected; the connecting piece It is a connecting rod, or the connecting rod is a pull rope, and the plug is a metal block. 9. The water inlet valve with double water stop structure according to claim 3, characterized in that, a non-return member or filter is provided between the water inlet hole and the water outlet hole of the second installation port. 10. The water inlet valve with double water stop structure according to claim 1, characterized in that, the second buoy is provided with a guide hole; the second buoy is located directly above the first buoy; the first buoy is The screw rod of the buoy is connected to the first water stop component after passing through the guide hole.

Images