CN211875181U - Flushing valve - Google Patents

Abstract

The utility model discloses a flush valve, including valve body, case and flush switch, be equipped with the water storage chamber between case top and the valve body, flush switch including framework, valve rod and with the end cover, the framework is equipped with water inlet and delivery port, the inner chamber of framework divide into seal section and deblocking section, the top and the end cover of valve rod are connected, the bottom of valve rod is passed the seal section and is gone into the deblocking section, the bottom and the sealed cooperation of seal section of valve rod, seal section and delivery port switch-on, deblocking section and water inlet switch-on, the water inlet with be connected with the water storage chamber through the inlet tube, the delivery port passes through the water piping connection of outlet pipe and valve body, and the valve rod overcoat is equipped with the spring, and the spring setting has between end cover and framework, has between framework and the end cover and. The flushing switch and the valve core are separately arranged and are not limited by distance, so that the valve body, the valve core and the flushing switch are convenient to install and use by a user, and the flushing switch is safer and more sanitary to use.

Description

Flushing valve

Technical Field

The utility model relates to an improved invention of a flushing valve.

Background

Referring to the attached drawing 1, in the conventional flush valve, a valve core ejector rod is driven by pressing a hand lever, so that the valve is opened, the hand lever is reset through a spring, and if the elasticity of the spring is too small, the hand lever cannot be reset, so that the spring and the valve core ejector rod are pushed by large force; and the handspike needs and the cooperation of ejector pin, therefore the case of flushometer receives the restriction with press the switch's mounted position, and both need be close to just can cooperate the use, and not only the installation is inconvenient like this, uses inconvenient moreover.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem that exists among the background art, the utility model aims at providing a flushometer, not only simple to operate, convenient to use moreover.

In order to solve the technical problem, the utility model discloses a following technical scheme: the flushing valve comprises a valve body, a valve core and a flushing switch, wherein the valve core is arranged in the valve body, the water outlet end of the valve body is connected with a drain pipe, a water storage cavity is arranged between the top of the valve core and the valve body, and the bottom of the valve core is matched with the water outlet end of the valve body, the flushing valve is characterized by comprising a frame body, a valve rod and an end cover, the frame body is provided with a water inlet and a water outlet, the inner cavity of the frame body is divided into a sealing section and an unsealing section, the inner diameter of the unsealing section is larger than that of the sealing section, the top end of the valve rod is connected with the end cover, the bottom end of the valve rod penetrates through the sealing section and enters the unsealing section, the bottom end of the valve rod is in sealing fit with the sealing section, the sealing section of the inner cavity is communicated with the water outlet of the frame body, the unsealing section, the valve rod is sleeved with a spring, the spring is arranged between the end cover and the frame body, and a pressing gap is formed between the frame body and the end cover.

The flush switch is provided with two sets ofly, is big water yield switch and little water yield switch respectively, big water yield switch presses the space than little water yield switch press the space big, inlet tube and outlet pipe also are provided with two sets ofly, are inlet tube one, outlet pipe one, inlet tube two and outlet pipe two respectively.

The valve core comprises a top seat, a core body, a middle seat and a base, wherein the top seat is provided with a water inlet channel communicated with the water inlet end of the valve body, the water inlet channel is communicated with the water storage cavity in a one-way mode, the top seat is in sealing fit with the inner wall of the valve body, and the middle seat is in sealing fit with the water outlet end of the valve body.

The top seat is provided with a delay seat, the delay seat is provided with a damping hole, and the damping hole is communicated with the water inlet channel and the water storage cavity.

The damping hole is provided with a spring through needle, and the spring through needle is arranged on the delay seat.

The utility model discloses a flush switch separately sets up with the case, and both do not receive the distance restriction, the installation of the valve body of not only being convenient for like this, case and flush switch, and the unrestricted user that also is more convenient for of mounted position of flush switch and case, valve body uses, and flush switch keeps away from case, valve body moreover, can avoid the infection of bacterium when washing, and is safer, sanitary.

Drawings

FIG. 1 is a schematic view of a conventional flush valve.

Fig. 2 is a schematic diagram of the present invention.

Fig. 3 is a cross-sectional view of the valve body and the valve core of the present invention.

Fig. 4 is a sectional view of the flush switch of the present invention.

Fig. 5 is a schematic view of the valve core closed state of the present invention.

Fig. 6 is a schematic view of the open state of the valve element of the present invention.

Fig. 7 is a schematic view of the present invention installed on a wall.

Detailed Description

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The flushing valve comprises a valve body 3, a valve core and a flushing switch 5, wherein the valve core is arranged in the valve body 3, the water outlet end of the valve body is connected with a water discharge pipe 4, a water storage cavity 11 is arranged between the top of the valve core and the valve body, the bottom of the valve core is matched with the water outlet end of the valve body, the flushing switch comprises a frame body 16, a valve rod 20 and an end cover 18, the frame body 16 is provided with a water inlet 25 and a water outlet 21, the inner cavity of the frame body is divided into a sealing section 22 and a deblocking section 23, the inner diameter of the unsealing section is larger than that of the sealing section, the inner cavity is in a step shape, the top end of the valve rod 20 is connected with the end cover 18, the bottom end of the valve rod penetrates through the sealing section 22 and enters the unsealing section 23, the bottom end of the valve rod is in sealing fit with the sealing section, the outer diameter of the bottom end of the valve rod 20 is larger than the inner diameter of the sealing section 22, the bottom end of the valve rod cannot enter the sealing section and seal the sealing section, and the sealing section is separated from the unsealing section; the sealing section 22 of the inner cavity is communicated with the water outlet 21 of the frame body, the deblocking section 23 of the inner cavity is communicated with the water inlet 25 of the frame body, the water inlet 25 is connected with the water storage cavity 11 through the water inlet pipe 6, the water outlet 21 is connected with the water discharge pipe 4 of the valve body through the water outlet pipe 1, the spring 19 is sleeved outside the valve rod 20 and arranged between the end cover 18 and the frame body 16, the pressing gap 17 is arranged between the frame body and the end cover, the pressing end cover 18 and the spring 19 are pressed, the pressing gap 17 is reduced until the end cover 18 is contacted with the frame body 16, at the moment, the sealing surface is opened, the bottom end of the valve rod extends into the deblocking section 23, the sealing section of the inner cavity is communicated with the deblocking section, the water storage cavity 11, the water inlet pipe 6, the inner cavity of the valve body, the water outlet pipe 1 and the water discharge pipe, when the water in the water storage cavity is emptied, the valve core moves along the inner wall of the valve body 3, the water outlet end of the valve body is opened, and the water is discharged by the water discharge pipe 4, as shown in figure 6; then, the spring 19 pushes the end cover 18 to reset, i.e. the valve rod 20 resets, the water flow is cut off, the water outlet pipe 1 stops draining, the water amount in the water storage cavity 11 increases to push the valve core to reset, and the water outlet end of the valve body is closed, see fig. 5, at this time, the valve is closed. The flushing switch of the utility model is connected with the valve body 3 through the water inlet pipe 6 and the water outlet pipe 1, the installation position of the flushing switch is not limited any more, the installation range of the flushing switch can be enlarged to a greater extent, the position of the flushing switch 5 can be far away from the valve body 3, thus not only the installation is convenient, but also the bacteria fly during flushing, thereby the bacterial infection can be avoided, and the use is safer and more sanitary; the utility model discloses only need press the end cover 18 gently and overcome spring 19's elasticity and just can open sealed face, make the log raft with the water storage cavity in discharge, end cover light in weight, the required elasticity that resets is little, consequently press the required power of spring just little, the children and the old person of being more convenient for use.

The inner cavity of the valve body 3 can be vertically arranged or transversely arranged, if the inner cavity of the valve body is vertically arranged, the valve core moves up and down in the valve body, if the inner cavity of the valve body is transversely arranged, the valve core moves left and right in the valve body, in the embodiment, the valve core is transversely arranged in the valve body 3, the valve core comprises a top seat 8, a core body 13, a middle seat 14 and a base 15, the top seat 8 is provided with a water inlet channel 12 communicated with the water inlet end of the valve body, the water inlet channel is communicated with a water storage cavity 11 in a one-way manner, namely, water in the water inlet channel can enter the water storage cavity, water in the water storage cavity can not enter the water inlet channel and can be realized through a damping hole, one end of the damping hole is communicated with the water inlet channel, the other end of the damping hole is communicated with the water storage cavity, in the embodiment, the top seat 9 is provided with a delay seat, the damping holes enable water in the water inlet channel to enter the water storage cavity, and water in the water storage cavity cannot enter the water inlet channel; in order to avoid the blockage of the damping hole, the damping hole is provided with a spring through needle 10, the spring through needle is arranged on a delay seat 9, the top seat 8 is in sealing fit with the inner wall of the valve body 3, and the middle seat 14 is in sealing fit with the water outlet end of the valve body; during water drainage, the valve core moves rightwards, water in the water storage cavity 11 is drained until the spring through needle is contacted with the valve body and is pressed to be inserted into the damping hole, and the damping hole is smooth and not blocked; when the valve rod 20 of the flushing switch resets, water of the water inlet channel 12 enters the water storage cavity 11 through the damping hole, the water storage cavity is filled with water to push the valve element to move leftwards and reset, the valve element closes the water outlet end of the valve body again, if the spring through needle 10 is not arranged, impurities in the water can block the damping hole, the valve element cannot reset, and therefore the service life of the flushing valve is prolonged due to the fact that the spring through needle is arranged.

The flushing switches are provided with two groups, namely a large water quantity switch 27 and a small water quantity switch 26, namely the large water quantity switch is pressed when large water quantity flushing is needed, and the small water quantity switch is pressed otherwise; the big water switch press the space than the little water switch press the space big, inlet tube 6 and outlet pipe 1 also are provided with two sets ofly, are inlet tube one, outlet pipe one, inlet tube two and outlet pipe two respectively, inlet tube one and inlet tube two all with the water storage chamber switch-on, outlet pipe one and outlet pipe two then with the drain pipe switch-on. The valve rod 20 and the end cover 18 are large in moving stroke, so that the water quantity is discharged much, the valve rod 20 penetrates into the unsealing section 23, the larger the gap opened by the sealing surface is, the larger the water yield is, the more the water in the water storage cavity 11 is discharged, the moving stroke of the valve core is long, the time required by resetting is long, therefore, the water discharge is large, otherwise, the water discharge is small, so that the water discharge is selected according to the requirement, and the energy is saved.

Claims (5)

1. A flush valve comprises a valve body, a valve core and a flush switch, wherein the valve core is arranged in the valve body, the water outlet end of the valve body is connected with a drain pipe, a water storage cavity is arranged between the top of the valve core and the valve body, the bottom of the valve core is matched with the water outlet end of the valve body, the flush valve is characterized by comprising a frame body, a valve rod and an end cover, the frame body is provided with a water inlet and a water outlet, the inner cavity of the frame body is divided into a sealing section and an unsealing section, the inner diameter of the unsealing section is larger than that of the sealing section, the top end of the valve rod is connected with the end cover, the bottom end of the valve rod penetrates through the sealing section and enters the unsealing section, the bottom end of the valve rod is in sealing fit with the sealing section, the sealing section of the inner cavity is communicated with the water outlet of the frame body, the unsealing section of, the valve rod is sleeved with a spring, the spring is arranged between the end cover and the frame body, and a pressing gap is formed between the frame body and the end cover.

2. The flush valve of claim 1, wherein the flush switch is provided in two sets, a large volume switch and a small volume switch, respectively, the large volume switch having a larger pressing gap than the small volume switch, and the inlet pipe and the outlet pipe are provided in two sets, a first inlet pipe, a first outlet pipe, a second inlet pipe, and a second outlet pipe, respectively.

3. The flushing valve as claimed in claim 1 or 2, wherein the valve core comprises a top seat, a core body, a middle seat and a base, the top seat is provided with a water inlet channel communicated with the water inlet end of the valve body, the water inlet channel is communicated with the water storage cavity in a one-way manner, the top seat is in sealing fit with the inner wall of the valve body, and the middle seat is in sealing fit with the water outlet end of the valve body.

4. The flush valve of claim 3, wherein the top seat is provided with a delay seat, the delay seat is provided with a damping hole, and the damping hole is communicated with the water inlet channel and the water storage cavity.

5. The flush valve of claim 4, wherein said orifice is provided with a spring-through needle mounted on a delay seat.

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