Flush valve in-wall concealed installation structure

Abstract

The utility model discloses a flush valve in-wall concealed installation structure which comprises a box body, an installation cover and a flush valve, a water inlet installation hole and a water outlet installation hole are formed in the side face of the box body, and an operation notch is formed in the upper end face of the box body. The flushing valve is installed in the box body, the flushing valve comprises a valve rod and a spring driving the valve rod to reset, the driving end of the valve rod faces the operation notch, and the driving end of the valve rod is provided with a switch in a matched mode; the installation cover is movably installed on the upper end face of the box body and covers the operation notch. The switch is movably installed on the installation cover. The switch is pressed to push the valve rod, the spring is compressed, and the flushing valve is opened; and when the switch is released, the valve rod is pushed by the elastic force of the spring to move towards the operation notch and reset. During installation, the box body is installed in a wall body, the water inlet pipe and the water outlet pipe extend into the box body from the water inlet installation hole and the water outlet installation hole respectively, a worker enables the water inlet pipe and the water outlet pipe to be communicated with a water inlet and a water outlet of the flushing valve through the operation notch, the installation cover is covered on the back, and the switch is installed. And the flushing valve is exposed outside, and a worker can maintain the flushing valve through the operation gap.

Description

Technical Field

[0001] The utility model relates to an improved invention of a flushing valve, in particular to a flushing valve concealed wall-mounted structure. Background Art

[0002] The valve body of the flush valve installed in the wall is inside the wall, and only the switch panel is exposed, making the wall look smooth and beautiful. There are two problems with the existing flush valve installed in the wall: 1. The structure is not flexible enough, and it is difficult to disassemble and assemble, which is not conducive to the maintenance of the flush valve; 2. The installation screws of the exposed panel are exposed, which affects the appearance. Summary of the invention

[0003] In view of the technical problems existing in the background technology, the technical problem solved by the utility model is to provide a flush valve concealed wall installation structure which is easy to disassemble and assemble and has a beautiful appearance.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solution: the flush valve is concealed in the wall, and is characterized by comprising a box body, a mounting cover and a flush valve.

[0005] The box body has a water inlet installation hole and a water outlet installation hole on its side, and an operation notch on its upper end surface;

[0006] The flushing valve is installed in the box body, and includes a valve stem and a spring for driving the valve stem to return to its original position, the driving end of the valve stem faces the operating notch, and the driving end of the valve stem is provided with a switch;

[0007] The installation cover is movably mounted on the upper end surface of the box body and covers the operation notch, and the switch is movably mounted on the installation cover;

[0008] When the switch is pressed, the switch pushes the valve stem, the spring is compressed, and the flushing valve opens; when the switch is released, the elastic force of the spring pushes the valve stem to move toward the operating notch and reset.

[0009] During installation, the box body is installed into the wall, and the water inlet pipe and the water outlet pipe are respectively extended into the box body from the water inlet installation hole and the water outlet installation hole. The staff connects the water inlet pipe and the water outlet pipe with the water inlet and water outlet of the flush valve through the operating gap, and then covers the installation cover and installs the switch. When maintenance is needed, the installation cover is removed, and the flush valve is exposed to the outside. The staff repairs the flush valve through the operating gap.

[0010] Preferably, the mounting cover comprises a square outer frame and a square cover plate.

[0011] The bottom inner edge of the outer frame is provided with a mounting surface, and the outer frame is mounted on the upper end surface of the box body through the mounting surface;

[0012] The cover plate is movably connected to the outer frame, and the cover plate is provided with a mounting hole matching the switch.

[0013] The outer frame is connected to the upper end surface of the box body through the built-in mounting surface. After the cover is covered, the connection part is not exposed, and the appearance is more beautiful. In addition, when processing the wall, the upper end surface of the box body can be covered, leaving only the connection part between the outer frame and the box body, so that the box body is completely embedded in the wall.

[0014] Preferably, a limiting support strip is provided on the inner wall of the side of the outer frame, a first pin and a second pin are provided on the inner walls of the two opposite sides of the outer frame, and the two pins are close to the end of the side, and a slot with an opening facing the end of the side is provided on the back of the cover plate, the slot corresponds to the first pin, and the caliber of the slot matches the outer diameter of the first pin. A slot or a positioning hole corresponding to the second pin is also provided on the back of the cover plate, the caliber of the slot or the positioning hole matches the outer diameter of the second pin, and the length of the positioning hole is for the second pin to move. When installing the cover plate, the cover plate is placed on the support strip, and the slot at one end of the cover plate is aligned with the first pin and the second pin, and then the cover plate is pushed in so that the first pin and the second pin enter the slot, or the second pin enters the positioning hole first, and then the cover plate is pushed in so that the first pin enters the slot, the pin locks the cover plate, and the limiting support strip supports the cover plate to keep the cover plate stable.

[0015] Preferably, the mounting surfaces of the outer frame are arranged at four corners, and the mounting surfaces are connected to the upper end surface of the box body by screws. The four corners are used less frequently, and they can be used as mounting surfaces for reasonable utilization, and the operating space for installing the flush valve will not be occupied.

[0016] Preferably, the top of the outer frame is surrounded by a shielding outer edge extending outwards to cover the joint between the frame and the wall, making the whole more beautiful.

[0017] Preferably, the switch includes a shell, a base and an upper cover, the shell is threadedly connected to the mounting hole, the top mounting opening of the shell is smaller than the inner diameter of the shell, the outer edge of the upper cover is an annular step, the lower step matches the inner cavity of the shell, the upper step matches the top mounting opening, the base is threadedly connected to the bottom of the shell, and a through hole for the push rod to pass through is provided on the base, the push rod is connected to the upper cover and is arranged corresponding to the valve stem. The switch as a whole can be disassembled, and disassembly and assembly are very convenient; press the upper cover to make the push rod pass through the through hole to press the valve stem, so that the valve is opened, the spring pushes the valve stem to reset, the valve stem pushes the push rod upward, and the upper cover is reset.

[0018] Preferably, a top pressure plate is installed at the driving end of the valve stem, and the top pressure plate is in contact with the base or the top rod. The spring sleeve is arranged outside the valve stem and between the top pressure plate and the housing of the flushing valve. The top pressure plate increases the operating area and makes the movement of the valve stem more stable.

[0019] Preferably, the flush valve comprises a shell, the shell is threadedly connected to the bottom surface of the box body, and the shell is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively arranged corresponding to the water inlet hole and the water outlet hole. The flush valve is more convenient to replace and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model.

[0021] Figure 2 It is a cross-sectional view of the utility model.

[0022] Figure 3 It is an exploded view of the utility model.

[0023] Figure 4 For this utility model Figure 2 A partial enlarged view of . DETAILED DESCRIPTION

[0024] The following describes the details and working principle of the implementation and embodiment of the utility model in combination with the accompanying drawings. The flush valve wall-mounted concealed structure includes a box body 1, a mounting cover 2 and a flush valve. The box body 1 is provided with a water inlet mounting hole 31 and a water outlet mounting hole on its side, and an operation notch 7 is opened on its upper end surface. The flush valve includes a shell 20, a valve stem 18 and a spring 19 for driving the valve stem to reset. The shell 20 is threadedly connected to the bottom surface of the box body 1, which not only allows the flush valve to be stably installed in the box body, but also allows the flush valve to be replaced, making it more flexible to use; the shell 20 is provided with a water inlet 21 and a water outlet 22, the driving end of the valve stem faces the operation notch 7, and the driving end of the valve stem 18 is equipped with a switch 3. The mounting cover 2 is movably mounted on the upper end surface of the box body 1 and covers the operation notch 7, and the switch 3 is movably mounted on the mounting cover 2. When the switch is pressed, the switch pushes the valve stem 18, the spring 19 is compressed, and the flush valve is opened; when the switch is released, the elastic force of the spring pushes the valve stem to move in the direction of the operation notch and reset. During installation, the box body 1 is installed into the wall, and the water inlet pipe and the water outlet pipe are respectively extended into the box body from the water inlet installation hole and the water outlet installation hole. The staff connects the water inlet pipe and the water outlet pipe with the water inlet and the water outlet of the flush valve through the operating gap 7, and then covers the installation cover 2 and installs the switch. When maintenance is needed, the installation cover is removed, and the flush valve is exposed to the outside. The staff repairs the flush valve through the operating gap.

[0025] The mounting cover 2 includes a square outer frame 6 and a square cover plate 5. A mounting surface 15 is provided on the inner edge of the bottom of the outer frame, and the outer frame is mounted on the upper end surface 4 of the box body through the mounting surface. It is better to set the mounting surface 15 of the outer frame at four corners. The utilization rate of the four corners is small. Converting them into mounting surfaces will not occupy the operating space for installing the flush valve. The mounting surface 15 is connected to the upper end surface 4 of the box body by screws, so that the installation is firm and convenient. Other parts of the upper end surface 4 of the box body can be covered when processing the wall, such as covering the upper end surface of the box body with marble or tiles, and only retaining the connection between the outer frame and the box body, so that the box body is completely embedded in the wall. The top of the outer frame is extended outward with a shielding outer edge 13 to cover the joint between the outer frame and the wall, so that the overall appearance is more beautiful.

[0026] The cover plate 5 is movably connected to the outer frame 6, and the cover plate is provided with a mounting hole matching the switch 3. Figure 2 and 3 , a limiting support strip 14 is provided on the inner wall of the side of the outer frame, a first pin 10 and a second pin are respectively provided on the inner walls of the two opposite sides of the outer frame, and the two pins are close to the side ends, and a slot 11 with an opening toward the side ends is provided on the back of the cover plate 5, the slot corresponds to the first pin, and the diameter of the slot 11 matches the outer diameter of the first pin 10. A slot or positioning hole 12 corresponding to the second pin is also provided on the back of the cover plate, and the diameter of the slot or positioning hole matches the outer diameter of the second pin. The positioning hole is used in the figure, and the length of the positioning hole 12 is for the second pin to move. When installing the cover plate 5, the cover plate is placed on the support strip 14, the slot 11 is aligned with the first pin shaft 10, and the second pin shaft enters the positioning hole 12, and then the cover plate 5 is pushed to make the first pin shaft enter the slot, and the second pin shaft moves in the positioning hole. The pin shaft locks the cover plate, and the limiting support strip 14 supports the cover plate to keep the cover plate stable. The cover plate covers the connection between the installation surface of the outer frame and the upper end surface of the box body, the connection part is not exposed, and the appearance is more beautiful.

[0027] The switch 3 includes a shell 28, a base 29 and an upper cover 25. The shell 28 is threadedly connected to the mounting hole. The top mounting opening 27 of the shell 28 is smaller than the inner diameter of the shell. The outer edge of the upper cover 25 is an annular step. The lower step 23 matches the inner cavity 26 of the shell, and the upper step 24 matches the top mounting opening 27. The base 29 is threadedly connected to the bottom of the shell 28, and a through hole for a push rod 32 to pass through is opened on the base. The push rod 32 is connected to the upper cover and is arranged corresponding to the valve stem 18. The switch as a whole can be disassembled, and disassembly and assembly are very convenient; press the upper cover 25 to make the push rod 32 pass through the through hole to press the valve stem 18 to open the valve; loosen the upper cover, the spring 19 pushes the valve stem to reset, the valve stem pushes the push rod 32 to move up, and the upper cover 25 is reset. A pressure plate 30 is installed at the driving end of the valve stem, and the pressure plate is in contact with the base or the push rod; the spring 19 is sleeved outside the valve stem and arranged between the pressure plate and the housing of the flushing valve. The pressure plate increases the operating area and makes the movement of the valve stem more stable.

[0028] During installation, first install the flush valve into the box body. The shell of the flush valve is threadedly connected to the bottom of the box body. The water inlet and outlet on the shell correspond to the water inlet hole and outlet hole on the box body. Install the box body into the wall. The staff uses the operation gap to connect the water inlet pipe and outlet pipe in the wall with the water inlet and outlet of the flush valve respectively; then after the wall surface is processed, install the outer frame on the upper end surface of the box body, then cover the cover plate, and finally install the switch on the cover plate, or you can install the switch on the cover plate and then cover the cover plate; when repairing, just remove the cover plate.

Claims

1. A flush valve concealed wall installation structure, characterized by: It includes a box body, a mounting cover and a flushing valve. The box body has a water inlet installation hole and a water outlet installation hole on its side, and an operation notch on its upper end surface; The flushing valve is installed in the box body, and includes a valve stem and a spring for driving the valve stem to return to its original position, the driving end of the valve stem faces the operating notch, and the driving end of the valve stem is provided with a switch; The installation cover is movably mounted on the upper end surface of the box body and covers the operation notch, and the switch is movably mounted on the installation cover; When the switch is pressed, the switch pushes the valve stem, the spring is compressed, and the flushing valve opens; when the switch is released, the elastic force of the spring pushes the valve stem to move toward the operating notch and reset.

2. The flush valve concealed wall installation structure according to claim 1, characterized in that: The installation cover comprises a square outer frame and a square cover plate. The bottom inner edge of the outer frame is provided with a mounting surface, and the outer frame is mounted on the upper end surface of the box body through the mounting surface; The cover plate is movably connected to the outer frame, and the cover plate is provided with a mounting hole matching the switch.

3. The flush valve concealed wall installation structure according to claim 2 is characterized by: A limiting support strip is provided on the inner wall of the side surface of the outer frame; a first pin shaft and a second pin shaft are respectively provided on the inner walls of the two opposite side surfaces of the outer frame, and the two pin shafts are close to the side end portions; a slot with an opening toward the side end portion is provided on the back side of the cover plate, the slot corresponds to the first pin shaft, and the diameter of the slot matches the outer diameter of the first pin shaft.

4. The flush valve concealed wall installation structure according to claim 3 is characterized by: The back side of the cover plate is also provided with a slot or a positioning hole corresponding to the second pin shaft, the diameter of the slot or the positioning hole matches the outer diameter of the second pin shaft, and the length of the positioning hole allows the second pin shaft to move.

5. The flush valve concealed wall installation structure according to claim 3 is characterized by: The mounting surfaces of the outer frame are arranged at four corners, and the mounting surfaces are connected to the upper end surface of the box body by screws.

6. The flush valve concealed wall installation structure according to claim 2, characterized in that: The top of the outer frame is surrounded by outwardly extending shielding outer edges.

7. The flush valve concealed wall installation structure according to claim 2, characterized in that: The switch includes a shell, a base and an upper cover. The shell is threadedly connected to the mounting hole. The top mounting opening of the shell is smaller than the inner diameter of the shell. The outer edge of the upper cover is an annular step. The lower step matches the inner cavity of the shell, and the upper step matches the top mounting opening. The base is threadedly connected to the bottom of the shell, and a through hole for a push rod to pass through is opened on the base. The push rod is connected to the upper cover and is arranged corresponding to the valve stem.

8. The flush valve concealed wall installation structure according to claim 7, characterized in that: A top pressure plate is installed at the driving end of the valve stem, and the top pressure plate is in contact with the base or the top rod.

9. The flush valve concealed wall installation structure according to claim 8, characterized in that: The spring sleeve is arranged outside the valve stem and between the top pressure plate and the housing of the flushing valve.

10. The flush valve concealed wall installation structure according to claim 1, characterized in that: The flush valve comprises a shell, the shell is threadedly connected to the bottom surface of the box body, a water inlet and a water outlet are arranged on the shell, and the water inlet and the water outlet are respectively arranged corresponding to the water inlet hole and the water outlet hole.

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