Instant-triggering water valve control mechanism

Abstract

The invention provides an instantly-triggered water valve control mechanism which comprises a water valve body, an inlet, at least one outlet and a pilot valve arranged between the inlet and the outlet, and further comprises a time delay valve, a time delay valve cavity communicated with the inlet, a pressure relief assembly arranged above the time delay valve cavity, a sliding piston arranged in the time delay valve cavity and a pressure relief assembly arranged above the sliding piston. A fixing and locking piece is arranged in the time delay valve cavity and is used for locking the pressure relief assembly after the pressure relief assembly is started, the pressure relief assembly is unlocked after the sliding piston slides to abut against the fixing and locking piece due to pressure relief in the time delay valve cavity, the time delay valve cavity is closed for pressure relief, and the sliding piston is reset; and the sliding piston is linked to open the pilot valve. The time-delay valve can be in a pressure relief state by instantly pressing and loosening the pressure relief assembly, so that the subsequent flushing action is completed, a user does not need to press for a long time, and the use experience of the user can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a water valve control mechanism for instant triggering. BACKGROUND

[0002] The flush valve, also known as a flush valve or flush valve, is a key execution device in sanitary wares (such as toilets, urinals) for controlling water flow and achieving flushing function. Its core function is to release a certain amount of water within a certain time after receiving a trigger signal to complete flushing and automatic closing.

[0003] Prior art such as patent number CN114411898B, a water tank type mechanical valve flushing system, the flushing system through the delay setting of the starting chamber makes a trigger can control the main control piston to complete a reciprocating motion, during which the main control piston controls the waterway switching mechanism to switch out the water pipe, thereby pushing the water flow to complete the entire process of outer ring flushing, jet flushing and outer ring secondary flushing water storage. This flush valve needs to be pressed for a long time to ensure that the drain valve drains smoothly and normally, which affects the user's experience. Therefore, in view of the above problems, the present application designs a water valve control mechanism for instant triggering. SUMMARY

[0004] A water valve control mechanism for instant triggering, comprising a water valve body having an inlet and at least one outlet, and a pilot valve arranged between the inlet and the outlet, further comprising: A delay valve having a delay valve chamber connected to the inlet, a pressure relief assembly arranged above the delay valve chamber, a sliding piston arranged in the delay valve chamber, and a locking piece arranged in the delay valve chamber, configured to lock the pressure relief assembly after starting the pressure relief assembly, and the sliding piston slides to the locking piece after the delay valve chamber is relieved, and the pressure relief assembly is unlocked, the delay valve chamber is closed, and the sliding piston is reset. A starting unit configured to open the pilot valve when the sliding piston is reset.

[0005] The beneficial effects of the present application are that a locking piece is arranged on the pressure relief valve switch in the delay valve chamber, which is configured to lock the pressure relief assembly after starting the pressure relief assembly, so that the system is always in a pressure relief state. The sliding piston slides to the locking piece after the delay valve chamber is relieved, and the pressure relief assembly is unlocked, and then the pressure relief assembly is closed to reset the sliding piston. When the sliding piston is reset, the starting unit linked with the sliding piston opens the pilot valve, and then opens the waterway. The advantage of this structure is that instantaneous pressing and releasing of the pressure relief assembly can make the delay valve in a pressure relief state to complete the subsequent flushing action, without the need for the user to press for a long time, which can improve the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1It is a three-dimensional assembly structure diagram of the instant trigger water valve control mechanism of the application Figure 1 .

[0007] Figure 2 It is an exploded view of the three-dimensional assembly structure of the instant trigger water valve control mechanism of the application

[0008] Figure 3 It is a three-dimensional assembly structure diagram of the instant trigger water valve control mechanism of the application Figure 2 .

[0009] Figure 4 It is Figure 3 the structure section view at A-A in Figure 1 .

[0010] Figure 5 It is Figure 3 the structure section view at B-B in Figure 2 .

[0011] Figure 6 It is the structure section view of the instant trigger water valve control mechanism of the application Figure 3 .

[0012] Figure 7 It is the structure diagram of the push-pull rod in the instant trigger water valve control mechanism of the application

[0013] Figure 8 It is the structure diagram of the control plate in the instant trigger water valve control mechanism of the application

[0014] Figure 9 It is the structure diagram of the instant trigger water valve control mechanism of the application

[0015] Figure 10 It is the structure diagram of the instant trigger water valve control mechanism of the application

[0016] Figure 11 It is the structure diagram of the instant trigger water valve control mechanism of the application

[0017] Figure 12 It is the structure diagram of the instant trigger water valve control mechanism of the application

[0018] Figure 13 It is the structure diagram of the instant trigger water valve control mechanism of the application

[0019] Figure 14 It is the structure diagram of the instant trigger water valve control mechanism of the application

[0020] Figure 15It is a structure diagram of the invention that the delay opening delay valve unlocks the pressure relief starting rod of the locking piece.

[0021] Figure 16 It is a structure diagram of the invention that the opening pilot valve is lifted by the cam convex rib inclined surface.

[0022] Figure 17 It is a structure diagram of the invention that the opening pilot valve separates the opening and closing block from the second through hole.

[0023] The drawings are identified as follows: 10, water valve body; 11, water inlet pipe; 111, water inlet chamber; 112, opening and closing chamber; 113, switching chamber; 12, first water outlet pipe; 13, second water outlet pipe; 14, fixed sliding rail; 20, pilot valve; 21, elastic diaphragm; 22, pilot valve valve piece; 221, first through hole; 222, second through hole; 23, pressure relief chamber; 24, pilot valve control rod; 241, limiting block; 25, opening and closing block; 26, third spring; 30, delay valve; 31, delay valve cavity; 311, inner cavity; 312, outer cavity; 32, pressure relief assembly; 321, pressure relief rod seat; 3211, pressure relief hole; 322, pressure relief starting rod; 3221, plugging part; 3222, accommodating groove; 323, second spring; 33, sliding piston; 331, water passing hole; 332, pressure block; 34, first spring; 35, piston rod; 36, pressure relief switch; 37, locking piece; 371, through hole; 372, annular lock block; 373, annular boss; 374, annular groove; 40, one-way starting mechanism; 41, push-pull rod; 411, convex rib; 412, convex rib space; 413, lifting inclined surface; 42, pry plate; 421, limiting groove; 422, mounting shaft; 43, rotating shaft; 431, torsional spring block; 44, cam; 45, torsional spring; 50, switching valve; 60, flow passage switching assembly; 61, rotating disc; 62, oscillating disc; 621, rocker; 63, sliding plate; 64, control plate; 641, control groove; 6411, open groove; 6412, first water outlet section; 6413, second water outlet section; 6414, third water outlet section; 70, delay valve switching assembly; 71, push rod; 72, lever; 721, levering part; 73, latch; 731, levering groove. DETAILED DESCRIPTION

[0024] The invention is further described below in conjunction with the drawings and examples.

[0025] Reference Figures 1-3As shown, the instant trigger water valve control mechanism comprises a water valve body 10 having an inlet and at least one outlet, and a pilot valve 20 arranged between the inlet and the outlet, and further comprises: a delay valve 30 having a delay valve cavity 31 connected to the inlet, a pressure relief assembly 32 arranged above the delay valve cavity 31, a sliding piston 33 arranged in the delay valve cavity 31, and a locking member 37 arranged in the delay valve cavity 31 and configured to lock the pressure relief assembly 32 after the pressure relief assembly 32 is activated, and the pressure relief of the delay valve cavity 31 causes the sliding piston 33 to slide to press the locking member 37 to unlock the pressure relief assembly 32, so that the delay valve cavity 31 is closed to pressure relief, the sliding piston 33 is reset, and the delay valve is in the pressure relief state by pressing and releasing the pressure relief assembly instantaneously, so as to complete the subsequent flushing action, without the user pressing for a long time, which can improve the user experience; the starting unit is configured to open the pilot valve 20 by linking the sliding piston 33 when the sliding piston 33 is reset. In one embodiment, the water valve body 10 has a water inlet pipe 11, a first water outlet pipe 12 and a second water outlet pipe 13 connected to the water inlet pipe 11, the water inlet pipe 11 is provided with an inlet, the first water outlet pipe 12 is provided with a first outlet, the second water outlet pipe 13 is provided with a second outlet, the end of the water inlet pipe 11 is provided with a plug 15, a siphon prevention block 16 is installed at the connection between the first water outlet pipe 12 and the second water outlet pipe 13 and the water inlet pipe 11, a pilot valve 20 for opening / closing the flow passage of the water inlet pipe 11 and a switching valve 50 for switching the flow passage are arranged in the water inlet pipe 11, the switching valve 50 can switch the water flow in the water inlet pipe 11 to the first water outlet pipe 12 or the second water outlet pipe 13, in this embodiment, the first water outlet pipe 12 is connected to the upper flushing assembly in the closestool, the second water outlet pipe 13 is connected to the lower flushing assembly in the closestool, the second water outlet pipe 13 serves as an auxiliary flushing assembly to form a siphon phenomenon to flush away the excrement.

[0026] The sliding piston 33 divides the delay valve cavity 31 into an inner cavity 311 and an outer cavity 312, and the sliding piston 33 has a water passing hole 331 communicating the inner cavity 311 and the outer cavity 312. By arranging the delay valve 30 in communication with the inlet of the water valve body 10, when the pressure relief assembly 32 is opened, water flows into the outer cavity 312 and pushes the sliding piston 33 to move to the other side of the delay valve cavity 31, the pilot valve 20 is in a closed state, the one-way starting mechanism 40 does not act on the pilot valve 20, the pressure relief assembly 32 is closed to make the water in the outer cavity 312 pass through the water passing hole 331 into the inner cavity 311 to reset the sliding piston 33, and then the one-way starting mechanism 40 opens the pilot valve 20, so as to open the water path of the water valve body 10. In the application, the water pressure in the main pipeline first acts on the delay valve 30, concentrates the water pressure of the sliding piston group, then drives the one-way starting mechanism 40 to open the pilot valve 20 by pushing the sliding piston 33, and finally utilizes the principle that the small water pressure drives the large water pressure, so that the structure can be started under low pressure conditions, does not need to increase the diameter of the delay valve piston to realize large force driving, and can save the use space of the flushing valve.

[0027] The application also comprises a water path switching mechanism 60, which comprises a rocker assembly for switching the water outlet path of the control valve 50 and a control plate assembly, the control plate assembly comprises a sliding plate 63 moving synchronously with the piston and a control plate 64 detachably arranged in the sliding plate 63, the control plate 64 is provided with a control groove 641, and the control groove 641 is configured to accommodate the rocker assembly to slide in the control groove 641 during the movement of the piston, so as to switch the water outlet path and control the water outlet time. By arranging the detachable control plate 64, different specifications of the control plate 64 can be replaced. The flushing time of similar products on the market cannot be adjusted, and the control plate 64 of the application can be designed with different control grooves 641 according to the customer's demand to design different flushing time.

[0028] The application has a plurality of delay valves 30, and the water passing grooves 331 of the sliding piston groups in the plurality of delay valves 30 are different in size; the delay valve switching assembly 70 is configured to switch a single delay valve 30 to control the one-way starting mechanism 40 to open the pilot valve 20. By arranging the water passing grooves 331 of different sizes, the time for water to enter the delay valve cavity 31 is affected, so as to control the total flushing time of the flushing valve, trigger the switches on different delay valves 30, and control the flushing through the delay valve switching assembly 70, so as to realize the large and / or small discharge effect.

[0029] The structures of the components of the application will be described below.

[0030] First, the structure of the delay valve 30 in the embodiment and the working principle of the delay valve 30 will be described in detail. With reference to Figures 1-4As shown, the pressure relief assembly 32 includes a pressure relief rod seat 321 arranged at the top of the delay valve cavity 31, a pressure relief hole 3211 is arranged above the pressure relief rod seat 3211, a slidable pressure relief starting rod 322 is installed in the pressure relief hole 3211, the pressure relief starting rod 322 is pressed from above by the pressure relief switch 36, a blocking part 3221 is arranged on the pressure relief starting rod 322, the blocking part 3221 blocks the pressure relief hole 3211, a second spring 323 is pressed from below by the blocking part 3221, the locking piece 37 is arranged at the bottom of the pressure relief rod seat 321, the other end of the second spring 323 is pressed by the locking piece 37, the locking piece 37 is arranged with a through hole 371 along the axial direction, the bottom of the through hole 371 is arranged with an annular lock block 372, the end of the pressure relief starting rod 322 is arranged with a containing groove 3222 corresponding to the annular lock block 372, the bottom of the locking piece 37 extends downward and is arranged with an annular boss 373, the middle part of the annular boss 373 is arranged with an annular groove 374, the upper middle part of the sliding piston 33 is arranged with a pressing block 332 corresponding to the annular groove 374, the sliding piston 33 is pressed from above by the first spring 34, the other end of the first spring 34 is pressed by the pressure relief rod seat 321, the sliding piston 33 is connected below with a piston rod 35, the pressure relief switch 36 is pressed, the pressure relief starting rod 322 goes down and compresses the second spring 323, the blocking part 3221 is separated from the pressure relief hole 3211, the annular lock block 372 is arranged in the containing groove 3222 and further locks and fixes the pressure relief starting rod 322, so that the system is always in a pressure relief state, the delay valve cavity is relieved, the sliding piston 33 compresses the first spring 34 and moves upward, the pressing block 332 upwardly presses the annular groove 374 to make the annular lock block 372 separate from the containing groove 3222, the second spring 323 resets and pushes the pressure relief starting rod 322 to go up, the blocking part 3221 blocks the pressure relief hole 3211, in this embodiment, the locking piece 37 is made of a material with a certain elastic limit, for example, thermoplastic polyurethane, which can make the pressure relief starting rod 322 move through the through hole 371, so that the annular lock block 372 is arranged in the containing groove 3222, and can increase the opening size of the annular lock block 372 when the sliding piston 33 presses the annular groove 374, so that the annular lock block 372 separates from the containing groove 3222, this structure can make the user press the pressure relief switch 36 for a short time to start the delay valve 30 to flush, without waiting, improving the user experience.

[0031] The structure of the pilot valve 20 in this embodiment and the working principle of the pilot valve 20 will be described in detail below: Figure 1 、 Figure 2 、 Figure 5As shown, the water inlet pipe 11 has a water inlet chamber 111 and an opening and closing chamber 112, the pilot valve 20 includes an elastic diaphragm 21 arranged above the opening and closing chamber 112, the elastic diaphragm 21 has a certain elastic limit, the elastic diaphragm 21 separates the water inlet chamber 111 and the opening and closing chamber 112, a pilot valve spool 22 is arranged above the elastic diaphragm 21, a first through hole 221 is arranged on the side bottom wall of the pilot valve spool 22, a second through hole 222 is arranged on the middle bottom wall of the pilot valve spool 22, a pressure relief chamber 23 is arranged above the pilot valve spool 22, the water inlet chamber 111 is communicated with the pressure relief chamber 23 through the first through hole 221, a pilot valve control rod 24 is arranged in the pressure relief chamber 23, one end of the pilot valve control rod 24 penetrates through the pressure relief chamber 23 and is arranged above the pressure relief chamber 23, the other end of the pilot valve control rod 24 is connected with an opening and closing block 25, the opening and closing block 25 blocks the second through hole 222, the opening and closing block 25 presses a third spring 26, the other end of the third spring 26 presses the top wall of the pressure relief chamber 23, the pilot valve control rod 24 is pulled, the opening and closing block 25 is separated from the second through hole 222, the water flow in the water inlet chamber 111 sequentially flows through the first through hole 221, the pressure relief chamber 23, the second through hole 222 and the opening and closing chamber 112, the diameter of the second through hole 222 is greater than that of the first through hole 221, the water in the pressure relief chamber 23 cannot be replenished in time, the pressure in the opening and closing chamber 112 is greater than that in the pressure relief chamber 23, the elastic diaphragm 21 is lifted upward and the water flow in the water inlet chamber 111 is communicated with the opening and closing chamber 112, the pilot valve control rod 24 is released, the opening and closing block 25 blocks the second through hole 222, at this time, the water in the pressure relief chamber 23 is continuously replenished, the pressure in the pressure relief chamber 23 is restored, the elastic diaphragm 21 is reset and separates the water inlet chamber 111 and the opening and closing chamber 112, the core function of the pilot valve 20 is to use a small control force, in this embodiment, the small control force is the pilot valve control rod 24, by controlling a small pilot fluid, a very large and heavy main valve is indirectly and accurately driven to open or close, in this embodiment, the large main valve is the elastic diaphragm 21, therefore, the structure can be used for starting under high pressure.

[0032] The structure and working principle of the one-way starting mechanism 40 in this embodiment will be described in detail below. Figure 2 、 Figure 10 、 Figure 13 、 Figure 16As shown, the water valve body 10 is provided with a fixed slide rail 14 above it, the one-way starting mechanism 40 comprises a push-pull rod 41 connected with the sliding piston 33, the push-pull rod 41 is in sliding connection with the fixed slide rail 14, the push-pull rod 41 is provided with a convex rib 411, the middle part of the convex rib 411 is provided with a convex rib gap 412, the convex rib 411 is provided with a lifting inclined surface 413 at one end close to the convex rib gap 412, the fixed slide rail 14 is installed with a pry plate 42, the top of the pilot valve control rod 24 is provided with a limiting block 241, the pry plate 42 is provided with a limiting groove 421 corresponding to the limiting block 241, the limiting block 241 is arranged in the limiting groove 421, the middle part of the pry plate 42 is provided with a rotatable rotating shaft 43, both ends of the rotating shaft 43 are provided with a cam 44, the cam 44 is arranged on the convex rib 411, the middle part of the rotating shaft 43 is provided with a torsional spring stop block, the middle part of the pry plate 42 is provided with a mounting shaft 422, the mounting shaft 422 is provided with a torsional spring 45, when the sliding piston 33 drives the push-pull rod 41 to slide upwards, the cam 44 slides into the convex rib gap 412, when the sliding piston 33 drives the push-pull rod 41 to slide downwards, the cam 44 is lifted by the lifting inclined surface 413, so that the torsional spring stop block 431 pushes the torsional spring 45 backwards, the torsional spring 45 pushes the pry plate 42 to tilt backwards, so that the pry plate 42 pulls the pilot valve control rod 24 upwards to open the pilot valve 20, through the cooperative action of the cam and the convex rib 411, when the push-pull rod 41 slides upwards, the pry plate 42 does not act on the pilot valve control rod 24, when the push-pull rod 41 slides downwards, the pry plate 42 pulls the pilot valve control rod 24, so as to open the pilot valve 20, the structure design can be started under low pressure condition, without the need to increase the diameter of the delay valve piston to realize large force driving, the use space of the flush valve can be saved, and the structure of the one-way starting mechanism 40 is arranged outside the water valve body 10, is not affected by the flow pressure, and does not occur in the use process.

[0033] The structure of the flow channel switching assembly 60 in the embodiment and the working principle of the flow channel switching assembly 60 will be described in detail below. Figure 2 、 Figure 6 、 Figure 8As shown, the flow channel switching assembly 60 includes a switching chamber 113 arranged in front of the water inlet pipe 11, the switching valve 50 is arranged in the switching chamber 113, the switching chamber 113 is in communication with the first water outlet pipe 12 and the second water outlet pipe 13, a rotatable switching valve 50 is arranged in the switching chamber 113, the switching valve 50 includes an arc-shaped block for blocking the passage of the water inlet pipe 11 to the first water outlet pipe 12 and the second water outlet pipe 13, a fixed rod is arranged above the arc-shaped block, the rocker assembly includes a rotating disc 61 connected to the switching valve 50, the arc-shaped block is connected to the center of the rotating disc through the fixed rod, a protrusion is arranged on the side wall of the rotating disc 61, an installation hole is arranged in the protrusion, a swing disc 62 is connected above the rotating disc 61, the swing disc 62 rotates around one end, an installation rod is arranged on the other end of the swing disc 62, the installation rod is arranged in the installation hole, a rocker 621 is arranged above the swing disc 62, the rotating disc 61 is rotated by pulling the rocker 621, and the switching valve 50 is switched to switch the water flow in the water inlet pipe 11 to enter the first water outlet pipe 12 and the second water outlet pipe 13, the flow channel switching assembly 60 further includes a sliding plate 63 slidably arranged above the fixed sliding rail 14, an installation groove is arranged in the sliding plate 63, a detachable control plate 64 is arranged in the installation groove, a control groove 641 adapted to the rocker 621 is arranged in the control plate 64, the rocker 621 is arranged in the control groove 641, the switching is switched by sliding the rocker 621 in the control groove 641, and different specifications of the control plate 64 can be replaced by arranging the detachable control plate 64, the control groove in the control plate 64 can be arranged to different lengths to control the flushing time, and the specific scheme is as follows: Referring to Figure 8 As shown, the control groove 641 includes an open groove 6411 arranged at the bottom of the control plate 64, a first water outlet section 6412 connected to the open groove 6411, a second water outlet section 6413 connected to the first water outlet section 6412, and a third water outlet section 6414 connected to the second water outlet section 6413, when the push-pull rod 41 pushes the sliding plate 63 to move upward, the rocker 621 sequentially slides from the third water outlet section 6414, the second water outlet section 6413, the first water outlet section 6412 to the open groove 6411, at this time the pilot valve 20 is closed, the one-way starting mechanism 40 does not act on the pilot valve 20, when the push-pull rod 41 pushes the sliding plate 63 to move downward, the rocker 621 slides from the open groove 6411 to the end of the first water outlet section 6412, at this time the pilot valve 20 is opened, the water flow flows from the inlet to the first outlet, the rocker 621 slides from the end of the first water outlet section 6412 to the end of the second water outlet section 6413, at this time the water flow flows from the inlet to the second outlet, the rocker 621 slides from the end of the second water outlet section 6413 to the end of the third water outlet section 6414, the water flow flows from the inlet to the first outlet for replenishment, and then the pilot valve 20 is closed.

[0034] The structure of the time delay valve switching assembly 70 in the embodiment and the working principle of the time delay valve switching assembly 70 are described in detail below: referring to Figure 1 , Figure 2 , Figure 3 , the other end of the push rod 71 is connected to a rotating lever 72 rotatably arranged on the fixed slide rail 14, the other end of the rotating lever 72 is provided with a rotating part 721, a latch 73 is slidably arranged above the fixed slide rail 14 and located between the two push-pull rods 41, the push-pull rod 41 is provided with a latch slot 731 corresponding to the latch 73, and the middle part of the latch 73 is provided with a rotating slot 731 corresponding to the rotating part 721; when the pressure relief switch 36 is pressed, the rotating lever 72 rotates the latch 73, so that the latch 73 is inserted into the latch slot 731 on the push-pull rod 41 corresponding to the time delay valve 30, and the flush valve is started.

[0035] The working principle and specific implementation actions of the present application are described in detail below.

[0036] Referring to Figures 9-14 , the pressure relief starting rod 322 is pressed by the pressure relief switch 36, the blocking part 3221 is separated from the pressure relief hole 3211, the inner cavity 311 is relieved of pressure, the annular lock block 372 is arranged in the accommodating groove 3222, and the pressure relief starting rod 322 is tightly locked and fixed, the water flow in the water inlet pipe 11 enters the outer cavity 312, the water flow pushes the sliding piston 33 to move upward and compresses the first spring 34, the piston rod 35 drives the push-pull rod 41 to move upward, at this time, the cam 44 slides on the convex rib 411 to enter the convex rib empty position 412, the pry plate 42 does not act on the pilot valve control rod 24, the opening and closing block 25 blocks the second through hole 222, the elastic diaphragm 21 separates the water inlet chamber 111 and the opening and closing chamber 112, and the pilot valve 20 is in a closed state; at this time, the water pressure in the water inlet pipe 11 acts on the sliding piston 33, and the sliding plate 63 is moved upward by the push-pull rod 41, and the rocker 621 sequentially slides from the third water outlet section 6414, the second water outlet section 6413, and the first water outlet section 6412 in the control plate 64 to the opening groove 6411; Referring to Figures 15-17 , when the top pressure block 332 upwardly presses the annular groove 374 to make the annular lock block 372 disengage from the accommodating groove 3222, the second spring 323 resets and pushes the pressure relief starting rod 322 to move upward, the blocking part 3221 blocks the pressure relief hole 3211, and the inner cavity 311 is no longer relieved of pressure, the water in the outer cavity 312 slowly enters the inner cavity 311 through the water passing hole 331, the sliding piston 33 slowly moves downward under the spring force of the first spring 35, and the piston rod 35 drives the push-pull rod 41 to move downward. Referring to Figures 14-15As shown, the cam 44 is lifted by the lifting slope 413, the torsion spring 45 is pressed backward by the stop block of the torsion spring 45, the torsion spring 45 pushes the pry plate 42 to be raised backward, the pry plate 42 pulls the pilot valve control rod 24 upward, the pilot valve 20 is in the open state, the opening and closing block 25 is separated from the second through hole 222, the water flows through the first through hole 221, the pressure relief chamber 23, the second through hole 222 to the opening and closing chamber 112 in sequence, the elastic diaphragm 21 is lifted upward to make the water in the water inlet chamber 111 flow to the opening and closing chamber 112, then the water flows into the switching chamber 113, the push-pull rod 41 pushes the sliding plate 63 to move downward, the rocker 621 slides from the opening slot 6411 to the end of the first water outlet section 6412, at this time the pilot valve 20 is opened, the water flows from the water inlet pipe 11 to the first water outlet pipe 12, the rocker 621 slides from the end of the first water outlet section 6412 to the end of the second water outlet section 6413, at this time the water flows from the water inlet pipe 11 to the second water outlet pipe 13, the rocker 621 slides from the end of the second water outlet section 5713 to the end of the third water outlet section 6414, the water flows from the water inlet pipe 11 to the first water outlet pipe 12 to supplement flushing, then the pilot valve 20 is closed.

[0037] The preferred embodiments of the present application have been described above with the aid of drawing. Obviously, many modifications and improvements can be made by those skilled in the art without departing from the spirit and scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall fall within the scope of the present application.

Claims

1. A water valve control mechanism of instant triggering type comprising a water valve body (10) having an inlet and at least one outlet, and a pilot valve (20) arranged between the inlet and the outlet, characterized in that, Also comprising: a delay valve (30) having a delay valve cavity (31) with a communication inlet, a pressure relief assembly (32) disposed above the delay valve cavity (31), a sliding piston (33) disposed in the delay valve cavity (31), and a locking member (37) disposed in the delay valve cavity (31) and configured to lock the pressure relief assembly (32) after the pressure relief assembly (32) is activated, and to unlock the pressure relief assembly (32) after the pressure relief assembly (32) is released and the sliding piston (33) is pushed to the top to press the locking member (37), so that the delay valve cavity (31) is closed and the sliding piston (33) is reset; an activation unit configured to activate the sliding piston (33) to open the pilot valve (20) when the sliding piston (33) is reset.

2. A water valve control mechanism for instant triggering according to claim 1, characterized in that, The sliding piston (33) divides the delay valve cavity (31) into an inner cavity (311) and an outer cavity (312), and the sliding piston (33) has a water passage (331) that communicates the inner cavity (311) and the outer cavity (312). The activation unit is a one-way activation mechanism (40) that is linked to the sliding piston (33) and configured to act on the pilot valve (20) when the sliding piston (33) moves in only one direction, open the pressure relief assembly (32) to allow water to flow into the outer cavity (312) and push the sliding piston (33) to move to the other side of the delay valve cavity (31), and the pilot valve (20) is in a closed state, the one-way activation mechanism (40) does not act on the pilot valve (20), the pressure relief assembly (32) is closed to allow water in the outer cavity (312) to flow into the inner cavity (311) through the water passage (331) to reset the sliding piston (33), and the one-way activation mechanism (40) opens the pilot valve (20).

3. A water valve control mechanism for instant triggering as claimed in claim 1 wherein, The water valve body (10) has multiple outlets, and the water valve body (10) has a switching valve (50) disposed between the multiple outlets and configured to switch the water outlet path; and a water path switching mechanism including a rocker (621) assembly and a control plate (64) assembly configured to control the switching valve (50) to switch the water outlet path, the control plate (64) assembly including a sliding plate (63) that moves synchronously with the piston and a control plate (64) that is detachably disposed in the sliding plate (63), the control plate (64) having a control groove (641) configured to accommodate the rocker (621) assembly inside to switch the water outlet path and control the water outlet duration during movement of the piston.

4. A water valve control mechanism for instant triggering according to claim 2, characterized in that, The multiple delay valves (30) have sliding pistons (33) with different sizes of water passages (331); a delay valve switching assembly (70) configured to switch a single delay valve (30) to control the one-way activation mechanism (40) to open the pilot valve (20) when the single delay valve (30) is activated.

5. A water valve control mechanism for instant triggering according to claim 2, characterized in that, The pressure relief assembly (32) comprises a pressure relief rod base (321) arranged at the top of the delay valve cavity (31), a pressure relief hole (3211) is arranged above the pressure relief rod base (321), a slidable pressure relief starting rod (322) is arranged in the pressure relief hole (3211), the pressure relief starting rod (322) is arranged above the pressure relief switch (36), a blocking part (3221) is arranged on the pressure relief starting rod (322), the blocking part (3221) blocks the pressure relief hole (3211), a second spring (323) is arranged below the blocking part (3221), the locking piece (37) is arranged at the bottom of the pressure relief rod base (321), the other end of the second spring (323) is arranged above the locking piece (37), the locking piece (37) is arranged with a through hole (371) along the axial direction, the bottom of the through hole (371) is arranged with an annular lock block (372), the end of the pressure relief starting rod (322) is arranged with a containing groove (3222) corresponding to the annular lock block (372), the bottom of the locking piece (37) is arranged with an annular boss (373) extending downward, the middle of the annular boss (373) is arranged with an annular groove (374) obliquely, the upper end of the sliding piston (33) is arranged with a pressing block (332) corresponding to the annular groove (374), the sliding piston (33) is arranged above the first spring (34), the other end of the first spring (34) is arranged above the pressure relief rod base (321), the sliding piston (33) is connected with a piston rod (35) below, the pressure relief switch (36) is pressed, the pressure relief starting rod (322) goes down and compresses the second spring (323), the blocking part (3221) is separated from the pressure relief hole (3211), the annular lock block (372) is arranged in the containing groove (3222) and is locked and fixed to the pressure relief starting rod (322), the pressure relief valve cavity is relieved, the sliding piston (33) compresses the first spring (34) and moves upward, the pressing block (332) presses the annular groove (374) upward, the annular lock block (372) is separated from the containing groove, the second spring (323) is reset and pushes the pressure relief starting rod (322) to go up, the blocking part (3221) blocks the pressure relief hole (3211).

6. A water valve control mechanism for instant triggering according to claim 2, characterized in that, The water valve body (10) has a water inlet chamber (111) and an opening and closing chamber (112), the pilot valve (20) includes an elastic diaphragm (21) arranged above the opening and closing chamber (112), the elastic diaphragm (21) separates the water inlet chamber (111) and the opening and closing chamber (112), a pilot valve spool (22) is arranged above the elastic diaphragm (21), a first through hole (221) is arranged on the side bottom wall of the pilot valve spool (22), a second through hole (222) is arranged on the middle bottom wall of the pilot valve spool (22), a pressure relief chamber (23) is arranged above the pilot valve spool (22), the water inlet chamber (111) is communicated with the pressure relief chamber (23) through the first through hole (221), a pilot valve starting assembly is arranged in the pressure relief chamber (23), the pilot valve starting assembly includes a pilot valve control rod (24) arranged in the pressure relief chamber (23), one end of the pilot valve control rod (24) is arranged above the pressure relief chamber (23) through the pressure relief chamber (23), the other end of the pilot valve control rod (24) is connected with an opening and closing block (25), the opening and closing block (25) seals the second through hole (222), the opening and closing block (25) presses a third spring (26), the other end of the third spring (26) presses the top wall of the pressure relief chamber (23), the pilot valve control rod (24) is pulled, the opening and closing block (25) is separated from the second through hole (222), the water flow in the water inlet chamber (111) sequentially flows from the first through hole (221), the pressure relief chamber (23), the second through hole (222) to the opening and closing chamber (112), the elastic diaphragm (21) is lifted upward to make the water flow in the water inlet chamber (111) flow to the opening and closing chamber (112), the pilot valve control rod (24) is released, the opening and closing block (25) seals the second through hole (222), the elastic diaphragm (21) is reset and separates the water inlet chamber (111) and the opening and closing chamber (112).

7. A water valve control mechanism for instant triggering according to claim 6, characterized in that, The water valve body (10) is provided with a fixed slide rail (14) on the top, the one-way starting mechanism (40) comprises a push-pull rod (41) connected with the piston rod (35), the push-pull rod (41) is in sliding connection with the fixed slide rail (14), a convex rib (411) is arranged on the push-pull rod (41), a convex rib gap (412) is arranged in the middle of the convex rib (411), a lifting inclined surface (413) is arranged at one end of the convex rib (411) close to the convex rib gap (412), a crowbar plate (42) is installed on the fixed slide rail (14), a limiting block (241) is arranged on the top of the pilot valve control rod (24), a limiting groove (421) corresponding to the limiting block (241) is arranged on the crowbar plate (42), the limiting block (241) is arranged in the limiting groove (421), a rotatable rotating shaft (43) is arranged in the middle of the crowbar plate (42), a cam (44) is arranged at both ends of the rotating shaft (43), the cam (44) is arranged on the convex rib (411), a torsional spring stop block (431) is arranged in the middle of the rotating shaft (43), an installation shaft (422) is arranged in the middle of the crowbar plate (42), a torsional spring (45) is arranged on the installation shaft (422), when the sliding piston (33) drives the push-pull rod (41) to slide upwards, the cam (44) slides into the convex rib gap (412), when the sliding piston (33) drives the push-pull rod (41) to slide downwards, the cam (44) is lifted by the lifting inclined surface (413), the torsional spring stop block (431) pushes the torsional spring (45) backwards, the torsional spring (45) pushes the crowbar plate (42) to tilt backwards, and then the crowbar plate (42) pulls the pilot valve control rod (24) upwards to open the pilot valve (20).

8. A water valve control mechanism for instant triggering according to claim 6, characterized in that, The water valve body (10) is provided with a fixed slide rail (14) on the top, the one-way starting mechanism (40) comprises a push-pull rod (41) connected with the piston rod (35), the push-pull rod (41) is in sliding connection with the fixed slide rail (14), a convex rib (411) is arranged on the push-pull rod (41), a convex rib gap (412) is arranged in the middle of the convex rib (411), a lifting inclined surface (413) is arranged at one end of the convex rib (411) close to the convex rib gap (412), a crowbar plate (42) is installed on the fixed slide rail (14), a limiting block (241) is arranged on the top of the pilot valve control rod (24), a limiting groove (421) corresponding to the limiting block (241) is arranged on the crowbar plate (42), the limiting block (241) is arranged in the limiting groove (421), a rotatable rotating shaft (43) is arranged in the middle of the crowbar plate (42), a cam (44) is arranged at both ends of the rotating shaft (43), the cam (44) is arranged on the convex rib (411), a torsional spring stop block (431) is arranged in the middle of the rotating shaft (43), an installation shaft (422) is arranged in the middle of the crowbar plate (42), a torsional spring (45) is arranged on the installation shaft (422), when the sliding piston (33) drives the push-pull rod (41) to slide upwards, the cam (44) slides into the convex rib gap (412), when the sliding piston (33) drives the push-pull rod (41) to slide downwards, the cam (44) is lifted by the lifting inclined surface (413), the torsional spring stop block (431) pushes the torsional spring (45) backwards, the torsional spring (45) pushes the crowbar plate (42) to tilt backwards, and then the crowbar plate (42) pulls the pilot valve control rod (24) upwards to open the pilot valve (20).

9. A water valve control mechanism for instant triggering according to claim 8, characterized in that, The control groove (641) comprises an opening groove (6411) arranged at the bottom of the control plate (64), a first water outlet section (6412) connected with the opening groove (6411), a second water outlet section (6413) connected with the first water outlet section (6412) by bending, and a third water outlet section (6414) connected with the second water outlet section (6413) by bending. When the push-pull rod (41) pushes the sliding plate (63) to move upward, the rocker (621) sequentially slides from the third water outlet section (6414), the second water outlet section (6413), the first water outlet section (6412) to the opening groove (6411). At this time, the pilot valve (20) is closed, and the one-way starting mechanism (40) does not act on the pilot valve (20). When the push-pull rod (41) pushes the sliding plate (63) to move downward, the rocker (621) slides from the opening groove (6411) to the end of the first water outlet section (6412). At this time, the pilot valve (20) is opened, and the water flows from the inlet to the first outlet. The rocker (621) slides from the end of the first water outlet section (6412) to the end of the second water outlet section (6413). At this time, the water flows from the inlet to the second outlet. The rocker (621) slides from the end of the second water outlet section (6413) to the end of the third water outlet section (6414), and the water flows from the inlet to the first outlet for replenishment.

10. A water valve control mechanism for instant triggering according to claim 7, characterized in that, The delay valve switching assembly (70) comprises a push rod (71) connected with the pressure relief switch (36), the other end of the push rod (71) is connected with a rotating lever (72) rotatably arranged on the fixed slide rail (14), the other end of the rotating lever (72) is provided with a rotating part (721), the fixed slide rail (14) is slidably provided with a plug (73) located between the two push-pull rods (41), the push-pull rod (41) is provided with a plug (73) slot corresponding to the plug (73), the middle of the plug (73) is provided with a rotating groove (731) corresponding to the rotating part (721). When the pressure relief switch (36) is pressed, the rotating lever (72) rotates the plug (73), so that the plug (73) is inserted into the plug (73) slot on the push-pull rod (41) corresponding to the delay valve (30) to start the flushing valve.

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