CN215290439U - Manual magnetic attraction open-close controller - Google Patents

Abstract

The utility model relates to a manual magnetic attraction open-close controller, which comprises a valve body, a button component arranged in the valve body and an actuating mechanism which triggers the action through the button component; the outer wall of the valve body is provided with a vacuum interface, an air interface and an output interface, and a vacuum pipeline communicated with the vacuum interface, an air pipeline communicated with the air interface and an output pipeline communicated with the output interface are sequentially arranged inside the valve body; the actuating mechanism comprises a plug which is triggered to lift through a button assembly and intermittently switches on and off a vacuum pipeline and an air pipeline, and a valve core assembly which is used for enabling an output interface to be intermittently communicated with a vacuum interface and an air interface; the utility model mainly adopts manual triggering to realize the action of the controller, so that the output interface can be switched to introduce air or form vacuum, and further controls the actions of a vacuum blowoff valve, or a diaphragm valve, or a pneumatic water valve and the like connected with the output interface, and the control is convenient and efficient; and is suitable for occasions with large air pressure variation range and unstable pressure.

Description

Manual magnetic attraction open-close controller

Technical Field

The utility model relates to a controller technical field for kitchen guarding's relevant equipment in fields such as vacuum toilet, need pneumatic control to carry out controller technical field for the relevant product of vacuum blowdown including vacuum toilet etc. in particular to switching formula controller is inhaled to manual magnetism.

Background

Based on the vacuum technology of the pressure difference formed between the pressure lower than the atmospheric pressure and the atmospheric pressure, the human excrement and garbage in the vacuum closestool are discharged into a vacuum sewer pipe after passing through a vacuum drain valve (called a vacuum diaphragm valve abroad and a diaphragm valve domestically) and a manual ball valve under the action of a controller, and then are discharged into a vacuum sewage conveying pipeline system; the basic working principle is as follows: when the vacuum closestool is flushed, the vacuum blow-down valve is opened after the button of the controller is pressed, and the gas-liquid solid garbage mixture is discharged into the sewer pipe after passing through the vacuum blow-down valve and the manual ball valve by depending on the driving force generated by the difference of gas pressure acting on the sewage and solid garbage mixture in the vacuum closestool, so that the garbage in the closestool is cleaned. When the closestool does not need to be flushed, the controller is reset in a delayed mode, the vacuum blowoff valve is closed, and then the power source of the pressure difference generated in the vacuum closestool and on two sides of the solid garbage mixture is stopped, so that the closestool stops working.

Compared with the traditional gravity siphon type closestool and the direct-discharge type closestool, the vacuum closestool has the main advantages of saving energy and water and no hidden trouble of odor leakage, so that the vacuum closestool is widely applied to the fields of hospitals, schools, hotels and the like.

It is well known that the controller of the vacuum toilet is frequently failed and inconvenient to use during operation, and the controller types are as follows:

firstly, the controller is purely mechanical, and is mainly controlled by utilizing a lever mechanism and a cam mechanism, and reference patents include CN1201057C and US 6128789; the controller has the advantages of large number of parts, poor reliability, heavy weight and large volume due to related mechanical parts.

The pneumatic control type comprises two types of controllers:

(1) single button controllers such as CN200680003008.7, CN201580081233.1, US5069243, US4373838, US4171853, US 5570715;

(2) a dual button controller such as a CN111677069A size water dual button controller and its vacuum sewer system.

The reasons and disadvantages for these controller failures are:

firstly, the mechanical electric controller has a plurality of related mechanical parts, a complex structure, poor reliability, heaviness and large volume, and the vacuum toilet is completely paralyzed particularly under the condition of flood disasters.

Secondly, a known pneumatic controller (i.e. a spring-damping delay control device for vacuum toilet related equipment with patent No. CN 111677069A) has a function of pressing for delay on and a function of non-pressing for off, and has the following technical problems: firstly, the piston technology has the problems of high manufacturing precision and high cost; secondly, the large water button and the small water button are eccentrically arranged, and certain bending moment force is generated on the valve rod of the execution assembly, so that the execution assembly is poor in rebound and even blocked; thirdly, the lip-shaped sealing ring has poor sealing performance, short service life and large frictional resistance with the rod, which results in a large button force ratio; the pressures on the upper end surface and the lower end surface of the valve rod of the actuating assembly are different, so that the resilience spring force is large, and the button force is large; fourthly, the execution assembly can be influenced by the pressure fluctuation to delay the time effect and accuracy; fifthly, the opening pressure of the steel ball-spring type one-way valve is very high, and the requirement of high sensitivity and low opening pressure cannot be met; sixth, poor drainage of the chamber can cause a reduction in the useful life of the components therein.

Consequently a great deal of not enough to pneumatic type gas accuse controller existence, the utility model discloses developed a be applicable to vacuum closestool etc. and need utilize the vacuum technique to excrete the controller in the relevant field of sewage, manual magnetism is inhaled switching formula controller promptly to solve the problem that exists among the prior art, through the retrieval, not discover with the utility model discloses the same or similar technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the manual control magnetic attraction open-close type controller is applied to the related technical field of vacuum toilets and the like which need to discharge sewage by using a vacuum technology, and solves a series of problems in the prior art.

The technical scheme of the utility model is that: a manual magnetic suction opening and closing controller comprises a valve body, a button assembly arranged in the valve body and an executing mechanism which triggers the action through the button assembly; the outer wall of the valve body is provided with a vacuum interface, an air interface and an output interface, and a vacuum pipeline communicated with the vacuum interface, an air pipeline communicated with the air interface and an output pipeline communicated with the output interface are sequentially arranged inside the valve body; the actuating mechanism comprises a plug which is triggered to lift through a button assembly and intermittently switches on and off a vacuum pipeline and an air pipeline, and a valve core assembly which is used for enabling an output interface to be intermittently communicated with a vacuum interface and an air interface.

Preferably, a first cavity, a second cavity, a third cavity, a fourth cavity and a fifth cavity are sequentially arranged in the valve body from top to bottom, the button assembly penetrates through the upper end of the valve body and extends into the first cavity, and the first cavity is divided into a first upper cavity and a first lower cavity; the plug sleeve is in sliding fit in the second cavity, and a vent hole for communicating the vacuum pipeline and the air pipeline is arranged below the plug sleeve; the valve element assembly is inserted and matched between the third chamber and the fourth chamber in a sliding mode, the upper end portion of the valve element assembly is located in the third chamber and divides the third chamber into a second upper chamber and a second lower chamber, and a throttling hole is formed between the second upper chamber and the second lower chamber; the lower end part of the valve core assembly extends into the fourth cavity, the fifth cavity can be plugged through lifting movement, and the communication between the second lower cavity and the fourth cavity is intermittently switched on and off; the vacuum interface is respectively communicated with the fifth chamber and the vent hole and forms a vacuum pipeline; the air interface is communicated with a second lower chamber, the second lower chamber is communicated with a second upper chamber through a throttling hole, and the second upper chamber is communicated with the second chamber and jointly forms an air pipeline; the air interface is also communicated with the first upper chamber; the output interface is communicated with the fourth cavity and forms an output pipeline.

Preferably, the button assembly comprises a button rod, a large corrugated diaphragm and a magnet which are sequentially fixed at the lower end of the button rod, and a first return spring arranged between the lower part of the large corrugated diaphragm and the lower end face of the first chamber; the upper end of the plug is provided with a magnetic lower insert and a second reset spring; the valve core assembly comprises a valve rod, a small corrugated diaphragm fixed at the upper end of the valve rod, and a third return spring arranged between the upper end of the small corrugated diaphragm and the upper end surface of the third chamber; the side wall of the valve rod is provided with a groove for realizing the communication between the second lower cavity and the fourth cavity, and the lower end of the valve rod is provided with a sealing plate for realizing the non-communication between the second lower cavity and the fourth cavity; the orifice is located on a small corrugated diaphragm.

Preferably, the button rod is hollow, and a pressing head is fixed at the upper end part; the inside of the button rod is also provided with a flushing amount adjusting component, and the flushing amount adjusting component comprises a sealing rod which is inserted and matched in the button rod, a drive plate which is fixedly connected with the upper end of the sealing rod and a locking screw which penetrates through the press head to lock the sealing rod; a 7-shaped air guide pipeline is formed between the lower end of the sealing rod and the side wall, an upper vent pipeline for communicating the air guide pipeline with the first upper chamber is arranged on the inner side of the upper end part of the valve body, and a lower vent pipeline for communicating the air guide pipeline with the second lower chamber is arranged in the button rod; the sealing rod realizes the on-off of the upper ventilation pipeline and the lower ventilation pipeline through rotation.

Preferably, when the side edge of the air guide pipeline is aligned with the upper vent pipeline, the upper vent pipeline is communicated with the lower vent pipeline, and the small flushing mode is adopted; when the side edge of the air guide pipeline is not aligned with the upper air guide pipeline, the upper air guide pipeline is not communicated with the lower air guide pipeline, and the water flushing mode is adopted.

Preferably, the lower end of the driving plate is provided with a convex block, the pressing head is internally provided with a sliding groove for the convex block to be in sliding fit, and the sliding groove is shaped like 1/4 circular arc.

Preferably, the dial button protruding upwards is arranged on the upper end surface of the dial.

Preferably, the valve body comprises an upper shell, a first middle shell, a second middle shell, a third middle shell, a fourth middle shell and a lower shell which are buckled from top to bottom and fixedly connected in sequence; the outer side edge of the large corrugated membrane is buckled and fixed between the upper shell and the first middle shell, and the small corrugated membrane is buckled and fixed between the third middle shell and the fourth middle shell.

Preferably, the lower end part of the button rod is provided with a magnet seat and an upper insert which is in nested fit with the magnet seat, the magnet is sleeved outside the magnet seat, the lower end of the upper insert extends to the lower part of the magnet seat and is of a cylindrical structure with an opening at the lower end, and the lower end face of the first lower cavity is provided with an annular concave cavity surrounding the movement area of the plug.

Preferably, the lower end part of the button rod is provided with a magnet seat and an upper insert which is in nested fit with the magnet seat, the magnet is sleeved outside the magnet seat, and the upper insert is arranged inside the magnet seat.

Preferably, a sealing member for sealing and matching with the lower end part of the valve rod is nested on the inner wall of the upper end of the fifth chamber.

Preferably, a one-way valve assembly for discharging air in the first lower chamber outwards and a needle valve assembly for realizing right-outward-inward air inlet are mounted on the valve body side wall opposite to the first lower chamber.

Preferably, the check valve assembly comprises a base, a rubber diaphragm arranged on the base, a pressing plate which is matched with the base and limits the middle part of the rubber diaphragm, and an end cover which covers the outer side ends of the base and the pressing plate; and air outlet holes for realizing air discharge are formed in the middle parts of the base, the pressing plate and the end cover together.

Preferably, the needle valve assembly comprises a needle valve seat and a needle valve core which is inserted and matched in the needle valve seat; the outer wall of the valve body is provided with an air inlet hole, the interior of the needle valve seat is hollow and is communicated with the air inlet hole, and the end part of the inner side of the needle valve seat is provided with a limiting hole communicated with the first lower cavity; the needle valve core is inserted and matched in the flow limiting hole.

Preferably, the vacuum interface, the air interface and the output interface are all arranged on the lower end face of the valve body, and the number of the output interfaces is three.

Compared with the prior art, the utility model has the advantages that:

(1) the utility model mainly adopts manual triggering to realize the action of the controller, so that the output interface can be switched to introduce air or form vacuum, and further controls the actions of a vacuum blowoff valve, or a diaphragm valve, or a pneumatic water valve and the like connected with the output interface, and the control is convenient and efficient; and is suitable for occasions with large air pressure variation range and unstable pressure.

(2) The water-flushing quantity adjusting component is arranged, so that the water-flushing quantity adjusting component has a large water-flushing function and a small water-flushing function in the using process, the large water-flushing function is used in occasions with large water quantity, and the small water-flushing function is used in occasions with small water quantity, so that the water consumption is further reduced, and the water-using energy efficiency ratio is improved; under the small flushing function state, the first upper chamber is communicated with the first lower chamber, the air pressure between the first upper chamber and the first lower chamber can reach balance rapidly, the button assembly can reset rapidly, and further, the water consumption is small; under the state of a large water flushing function, the first upper chamber is not communicated with the first lower chamber, and at the moment, air in the first lower chamber needs to be obtained through the needle valve assembly, so that the time delay function is realized, the reset speed of the button assembly is low, and the water consumption is large; meanwhile, the time delay function is adjustable, namely the time delay of the large water flushing function can be manually adjusted, the equipment does not need to be disassembled, and the adjustment is rapid and convenient.

(3) Through the reasonable design of the inner cavity, the manual controller has an active drainage function, the condensed water formed in the cavity can be discharged smoothly and smoothly in time through a vacuum interface, the efficient work of the manual controller is further guaranteed, the influence of the condensed water on the tightness, the action flexibility and the like of the controller is avoided, and devices connected with the manual controller can work normally and efficiently.

(4) The integral structure is compact in design, small and exquisite and light, the size design is flexible and adjustable, an injection molding process is mostly adopted during manufacturing, and the transportation cost of a single product is low; and reasonable structural design can make the installation more convenient.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a schematic structural view of a manual magnetic attraction open-close type controller according to the present invention;

FIG. 2 is a cross-sectional view of a manual magnetic attraction open-close type controller according to the present invention;

fig. 3 is a cross-sectional view of the valve body of the present invention;

fig. 4 is a bottom view of the valve body of the present invention;

fig. 5 is a schematic view of the communication structure of the vacuum pipeline, the air pipeline and the output pipeline of the present invention;

FIG. 6 is a cross-sectional view of the valve stem of the present invention;

FIG. 7 is an enlarged view of the upper insert of the present invention when it is disposed in a convex configuration;

FIG. 8 is an enlarged view of the upper insert of the present invention when it is set to be recessed;

fig. 9 is a cross-sectional view of the check valve assembly of the present invention;

FIG. 10 is a schematic view of the needle valve assembly and the valve body according to the present invention;

FIG. 11 is a cross-sectional view of a needle valve assembly according to the present invention;

fig. 12 is a cross-sectional view of the button lever and flush volume adjustment assembly of the present invention;

fig. 13 is a sectional view of the flushing water amount adjusting assembly of the present invention when connected to the pressing head;

fig. 14 is a schematic structural view of the flushing amount adjusting assembly of the present invention (no dial button is provided on the upper end surface of the dial);

fig. 15 is a schematic structural view of the flushing water quantity adjusting assembly of the present invention (a dial button is disposed on the upper end surface of the dial);

fig. 16 is a schematic structural view illustrating the communication between the first upper chamber and the first lower chamber when the flush water volume adjusting assembly of the present invention is in the small flush mode, i.e., an enlarged structural view of a portion a in fig. 5;

fig. 17 is a schematic structural view of the flushing water quantity adjusting assembly of the present invention in a large flushing mode;

fig. 18 is a schematic structural view of the pressing head of the present invention;

fig. 19 is a cross-sectional view of the manual magnetic attraction open-close type controller according to the present invention in a non-operating state;

fig. 20 is a sectional view of the manual magnetic attraction open/close type controller according to the present invention in an operating state.

Wherein: 1. a valve body;

101. an upper shell 102, a first middle shell 103, a second middle shell 104, a third middle shell 105, a fourth middle shell 106 and a lower shell;

11. a first chamber, 12, a second chamber, 13, a third chamber, 14, a fourth chamber, 15, a fifth chamber, 16, a vacuum port, 17, an air port, 18, an output port, 19, a vent;

111. a first upper chamber 112, a first lower chamber 1121, an annular cavity;

161. a vacuum line;

171. an air line;

181. an output pipeline;

131. a second upper chamber, 132, a second lower chamber;

2. a button assembly;

21. a button rod 22, a large-ripple diaphragm 23, a magnet 24, a first return spring 25, a pressing head 26 and upper inserts 26a and 26 b;

251. a chute;

3. a plug;

31. a lower insert 32, a second return spring;

4. a valve core assembly;

41. valve rod, 42, small corrugated diaphragm, 43, third return spring;

411. a groove, 412, a sealing plate;

421. an orifice;

5. a one-way valve assembly;

51. the device comprises a base 52, a rubber diaphragm 53, a pressure plate 54, an end cover 55 and an air outlet;

6. a needle valve assembly;

61. an air inlet hole 62, a needle valve seat 63, a needle valve core 64 and a flow limiting hole;

7. a flush volume adjustment assembly;

71. a sealing rod 72, a drive plate 73, a locking screw 74, an upper vent pipeline 75 and a lower vent pipeline;

711. an air guide pipeline;

721. a bump, 722, a dial button.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

as shown in fig. 1 and 2, a manual magnetic attraction opening and closing controller includes a valve body 1, a button assembly 2 disposed inside the valve body 1, and an actuator triggered by the button assembly 2; the outer wall of the valve body 1 is provided with a vacuum interface 16, an air interface 17 and an output interface 18, and the interior of the valve body is sequentially provided with a vacuum pipeline 161 communicated with the vacuum interface 16, an air pipeline 171 communicated with the air interface 17 and an output pipeline 181 communicated with the output interface 18; the actuating mechanism comprises a plug 3 which is triggered to lift by a button assembly 2 and is used for intermittently switching on and off a vacuum pipeline 161 and an air pipeline 171, and a valve core assembly 4 which is used for intermittently communicating an output interface 18 with a vacuum interface 16 and an air interface 17.

As shown in fig. 3, the valve body 1 includes an upper housing 101, a first middle housing 102, a second middle housing 103, a third middle housing 104, a fourth middle housing 105 and a lower housing 106, which are fastened and fixedly connected in sequence from top to bottom; the interior of the valve body is sequentially provided with a first cavity 11, a second cavity 12, a third cavity 13, a fourth cavity 14 and a fifth cavity 15 from top to bottom, as shown in fig. 4, a vacuum port 16, an air port 17 and an output port 18 are all arranged on the lower end face of the valve body 1, and the number of the output ports 18 is three.

Briefly, as shown in fig. 2, the button assembly 2 penetrates through the upper end of the valve body 1 and extends into the first chamber 11, and divides the first chamber 11 into a first upper chamber 111 and a first lower chamber 112; the plug 3 is inserted and matched in the second chamber 12 in a sliding way, and a vent hole 19 for communicating the vacuum pipeline 161 with the air pipeline 171 is arranged below the plug 3; the valve core assembly 4 is inserted and matched between the third chamber 13 and the fourth chamber 14 in a sliding manner, the upper end part of the valve core assembly is positioned in the third chamber 13, the third chamber 13 is divided into a second upper chamber 131 and a second lower chamber 132, and a throttling hole 421 is formed between the second upper chamber 131 and the second lower chamber 132; the lower end part of the valve core assembly 4 extends into the fourth chamber 14, the fifth chamber 15 can be plugged through lifting movement, and the communication between the second lower chamber 132 and the fourth chamber 14 is intermittently switched on and off; therefore, the vacuum port 16, the air port 17 and the output port 18 are communicated in the following specific manner:

as shown in fig. 5, the vacuum port 16 is respectively connected to the fifth chamber 15 and the vent 19, and forms a vacuum line 161, as shown by the thick dotted line; the air port 17 communicates with the second lower chamber 132, the second lower chamber 132 communicates with the second upper chamber 131 through an orifice 421, and the second upper chamber 131 communicates with the second chamber 12, and together form an air line 171, as shown by a thick solid line in the drawing; the air interface 17 is also in communication with the first upper chamber 111; the output port 18 communicates with the fourth chamber 14 and constitutes an output line 181, as indicated by the thick dash-dotted line with an arrow in the figure.

More specifically, as shown in fig. 2, the button assembly 2 includes a button rod 21, a large corrugated diaphragm 22 and a magnet 23 fixed to a lower end of the button rod 21 in sequence, and a first return spring 24 disposed between a lower side of the large corrugated diaphragm 22 and a lower end surface of the first chamber 11; the upper end of the plug 3 is provided with a magnetic lower insert 31 and a second return spring 32; the valve core assembly 4 comprises a valve rod 41, a small corrugated diaphragm 42 fixed at the upper end of the valve rod 41, and a third return spring 43 arranged between the upper end of the small corrugated diaphragm 42 and the upper end surface of the third chamber 13, wherein a throttle hole 421 is arranged on the small corrugated diaphragm 42, as shown in fig. 6, a groove 411 for realizing the communication between the second lower chamber 132 and the fourth chamber 14 is arranged on the side wall of the valve rod 41, and a sealing plate 412 for realizing the non-communication between the second lower chamber 132 and the fourth chamber 14 is arranged at the lower end; the valve rod 41 is used for moving downwards and blocking the upper end part of the fifth chamber 15, a sealing element is arranged on the inner wall of the corresponding fifth chamber 15, and the sealing element is made of an aluminum alloy 6061 material; the outer edge of the large corrugated diaphragm 22 is fastened and fixed between the upper casing 101 and the first middle casing 102, and the small corrugated diaphragm 42 is fastened and fixed between the third middle casing 104 and the fourth middle casing 105.

In this embodiment, the lower end of the button rod 21 is provided with a magnet seat and an upper insert 26 nested and matched with the magnet seat, the magnet 23 is sleeved outside the magnet seat, the upper insert 26 has two arrangement modes, as shown in fig. 7, the lower end of the upper insert 26a extends to below the magnet seat and is in a cylindrical structure with an open lower end, and the lower end surface of the first lower cavity 112 is provided with an annular concave cavity 1121 surrounding the movement region of the plug 3 for effective positioning; as shown in fig. 8, the upper insert 26b is provided inside the magnet holder; the upper insert 26 may be made of plastic or stainless steel without magnetism.

As shown in fig. 2 and 10, a one-way valve assembly 5 for discharging air inside the first lower chamber 112 outwards and a needle valve assembly 6 for realizing right-outside-inwards air inlet are mounted on the side wall of the valve body 1 opposite to the first lower chamber 112; as shown in fig. 9, the check valve assembly 5 includes a base 51, a rubber diaphragm 52 mounted on the base 51, a pressing plate 53 engaged with the base 51 and limiting the middle of the rubber diaphragm 52, and an end cover 54 covering the outer ends of the base 51 and the pressing plate 53; the middle parts of the base 51, the pressure plate 53 and the end cover 54 together form an air outlet hole 55 for realizing air discharge; as shown in fig. 11, needle valve assembly 6 includes a needle valve seat 62 and a needle valve core 63 fitted in needle valve seat 62; the outer wall of the valve body 1 is provided with an air inlet hole 61, the interior of the needle valve seat 62 is hollow and is communicated with the air inlet hole 61, and the end part of the inner side is provided with a limiting hole 64 communicated with the first lower chamber 112; the needle valve element 63 is inserted into the flow restriction opening 64.

And simultaneously, the utility model discloses still have big bath mode and little bath mode, be applied to the occasion that the water yield is big and the water yield is little, its concrete structure as follows:

as shown in fig. 12, the button rod 21 is hollow, and a pressing head 25 is fixed to the upper end thereof; the inside of the button rod 21 is further provided with a flush water amount adjusting assembly 7, as shown in fig. 13 and 14, the flush water amount adjusting assembly 7 comprises a sealing rod 71 which is inserted and matched in the inside of the button rod 21, a dial 72 which is fixedly connected with the upper end of the sealing rod 71, and a locking screw 73 which penetrates through the pressing head 25 and locks the sealing rod 71; a 7-shaped air guide pipeline 711 is formed between the lower end and the side wall of the sealing rod 71, an upper ventilation pipeline 74 for communicating the air guide pipeline 711 with the first upper chamber 111 is arranged on the inner side of the upper end part of the valve body 1, and a lower ventilation pipeline 75 for communicating the air guide pipeline 711 with the second lower chamber 132 is arranged in the button rod 21; the sealing rod 71 is rotated to realize the connection and disconnection of the upper vent pipeline 74 and the lower vent pipeline 75; as a further optimization of the present embodiment, in order to facilitate the rotation of the seal rod 71, as shown in fig. 15, a dial knob 722 protruding upward is provided on the upper end surface of the dial 72.

As shown in fig. 16, when the side of the air duct 711 is aligned with the upper vent line 74, the upper vent line 74 is communicated with the lower vent line 75, and the communication path is shown by the dotted line, which is the small flush mode; as shown in fig. 17, when the side of the air duct 711 is not aligned with the upper air duct 74, the upper air duct 74 is not communicated with the lower air duct 75, and the water flushing mode is performed; in order to facilitate the rotation, as shown in fig. 14 and 15, a protrusion 721 is disposed at the lower end of the dial 72, as shown in fig. 18, a sliding groove 251 for slidably fitting the protrusion 721 is disposed inside the pressing head 25, the sliding groove 251 is arc 1/4, and the adjustment of the large flushing mode and the small flushing mode only requires a single rotation of 90 ° of the dial.

The working principle of the utility model is as follows:

in the non-working state: as shown in fig. 19, the button assembly 2 rebounds to the top under the action of the first return spring 24, at this time, the distance between the magnet 23 and the lower insert 31 is too far, and the magnetic force of the magnet 23 is not enough to overcome the elastic force of the second return spring 32 at the upper end of the plug 3, so that the plug 3 closes the vent hole 19 under the action of the second return spring 32, and the vacuum pipeline 161 is not communicated with the second chamber 12; under the action of the orifice 421 on the small bellows 42, air is in the whole air pipeline 171 (the path through which the thick solid line passes in fig. 5), and at this time, air is in the second upper chamber 131 and the second lower chamber 132, the air pressure is the same, and the valve core assembly 4 blocks the fifth chamber 15 under the action of the spring force of the third return spring 43; due to the existence of the groove 411 on the side wall of the valve rod 41, the second lower chamber 132 is communicated with the fourth chamber 14 at this time, the air port 17 is communicated with the second lower chamber 132, the output port 18 is communicated with the fourth chamber 14, further, the air port 17 is communicated with the output port 18, air is introduced at the output port 18, and the flow path of the air is shown by the thick dotted line in the figure.

Under the working state: as shown in fig. 20, in the process of moving the button assembly 2 downward, the force applied by the hand of a person overcomes the spring force of the first return spring 24, the magnet 23 is continuously close to the lower insert 31, when the distance between the two is gradually reduced, the magnetic force is continuously increased, the plug 3 and the lower insert 31 are attracted and raised by overcoming the spring force of the second return spring 32, the vent hole 19 is opened, the vent hole is too late to vent due to the orifice 421 on the small corrugated diaphragm 42, vacuum is formed in the second upper chamber 131 at this time, air is in the second lower chamber 132, a pressure difference is formed between the upper end and the lower end of the small corrugated diaphragm 42, and an upward differential pressure is generated, the valve core assembly 4 moves upward, the sealing plate 412 is attached to the upper end face of the fourth chamber 14, the communication between the second lower chamber 132 and the fourth chamber 14 is closed, the fourth chamber is communicated with the fifth chamber 15 at this time, and the vacuum port 16 is communicated with the fifth chamber 15, the output port 18 is in communication with the fourth chamber 14, and the vacuum port 16 is in communication with the output port 18, and a vacuum is formed at the output port 18, the path of the vacuum is shown by the thick dashed line, and the path of the air is shown by the thick solid line.

In the time delay function state: the flushing water quantity adjusting assembly 7 is adjusted to be in a large flushing mode, because in the working state, air in the first lower cavity 112 is discharged out of the valve body 1 through the check valve assembly 5, along with the leaving of hands, the button assembly 2 starts to reset and rebound under the action of the first reset spring 24, air needs to be continuously supplemented in the first lower cavity 112, and due to the flow limiting effect of the needle valve assembly 6, the resetting time is prolonged, and further the time delay function is realized.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (15)

1. A manual control magnetic attraction open-close type controller is characterized in that: the valve comprises a valve body, a button assembly arranged in the valve body and an actuating mechanism triggered to act through the button assembly; the outer wall of the valve body is provided with a vacuum interface, an air interface and an output interface, and a vacuum pipeline communicated with the vacuum interface, an air pipeline communicated with the air interface and an output pipeline communicated with the output interface are sequentially arranged inside the valve body; the actuating mechanism comprises a plug which is triggered to lift through a button assembly and intermittently switches on and off a vacuum pipeline and an air pipeline, and a valve core assembly which is used for enabling an output interface to be intermittently communicated with a vacuum interface and an air interface.

2. The manual magnetic attraction openable and closable controller according to claim 1, further comprising: the button assembly penetrates through the upper end of the valve body, extends into the first cavity and divides the first cavity into a first upper cavity and a first lower cavity; the plug sleeve is in sliding fit in the second cavity, and a vent hole for communicating the vacuum pipeline and the air pipeline is arranged below the plug sleeve; the valve element assembly is inserted and matched between the third chamber and the fourth chamber in a sliding mode, the upper end portion of the valve element assembly is located in the third chamber and divides the third chamber into a second upper chamber and a second lower chamber, and a throttling hole is formed between the second upper chamber and the second lower chamber; the lower end part of the valve core assembly extends into the fourth cavity, the fifth cavity can be plugged through lifting movement, and the communication between the second lower cavity and the fourth cavity is intermittently switched on and off; the vacuum interface is respectively communicated with the fifth chamber and the vent hole and forms a vacuum pipeline; the air interface is communicated with a second lower chamber, the second lower chamber is communicated with a second upper chamber through a throttling hole, and the second upper chamber is communicated with the second chamber and jointly forms an air pipeline; the air interface is also communicated with the first upper chamber; the output interface is communicated with the fourth cavity and forms an output pipeline.

3. The manual magnetic attraction openable and closable controller according to claim 2, further comprising: the button assembly comprises a button rod, a large corrugated diaphragm and a magnet which are sequentially fixed at the lower end of the button rod, and a first return spring arranged between the lower part of the large corrugated diaphragm and the lower end face of the first cavity; the upper end of the plug is provided with a magnetic lower insert and a second reset spring; the valve core assembly comprises a valve rod, a small corrugated diaphragm fixed at the upper end of the valve rod, and a third return spring arranged between the upper end of the small corrugated diaphragm and the upper end surface of the third chamber; the side wall of the valve rod is provided with a groove for realizing the communication between the second lower cavity and the fourth cavity, and the lower end of the valve rod is provided with a sealing plate for realizing the non-communication between the second lower cavity and the fourth cavity; the orifice is located on a small corrugated diaphragm.

4. The manual magnetic attraction openable and closable controller according to claim 3, further comprising: the interior of the button rod is hollow, and the upper end part of the button rod is fixed with a pressing head; the inside of the button rod is also provided with a flushing amount adjusting component, and the flushing amount adjusting component comprises a sealing rod which is inserted and matched in the button rod, a drive plate which is fixedly connected with the upper end of the sealing rod and a locking screw which penetrates through the press head to lock the sealing rod; a 7-shaped air guide pipeline is formed between the lower end of the sealing rod and the side wall, an upper vent pipeline for communicating the air guide pipeline with the first upper chamber is arranged on the inner side of the upper end part of the valve body, and a lower vent pipeline for communicating the air guide pipeline with the second lower chamber is arranged in the button rod; the sealing rod realizes the on-off of the upper ventilation pipeline and the lower ventilation pipeline through rotation.

5. The manual magnetic attraction openable and closable controller according to claim 4, further comprising: when the side edge of the air guide pipeline is aligned with the upper air guide pipeline, the upper air guide pipeline is communicated with the lower air guide pipeline, and the small flushing mode is adopted; when the side edge of the air guide pipeline is not aligned with the upper air guide pipeline, the upper air guide pipeline is not communicated with the lower air guide pipeline, and the water flushing mode is adopted.

6. The manual magnetic attraction openable and closable controller according to claim 4, further comprising: the lower end of the driving plate is provided with a convex block, the pressing head is internally provided with a sliding groove for the convex block to be in sliding fit, and the sliding groove is shaped like 1/4 circular arc.

7. The manual magnetic attraction openable and closable controller according to claim 4, further comprising: the upper end surface of the drive plate is provided with a drive plate button protruding upwards.

8. The manual magnetic attraction openable and closable controller according to claim 3, further comprising: the valve body comprises an upper shell, a first middle shell, a second middle shell, a third middle shell, a fourth middle shell and a lower shell which are buckled from top to bottom and fixedly connected; the outer side edge of the large corrugated membrane is buckled and fixed between the upper shell and the first middle shell, and the small corrugated membrane is buckled and fixed between the third middle shell and the fourth middle shell.

9. The manual magnetic attraction openable and closable controller according to claim 3, further comprising: the lower end part of the button rod is provided with a magnet seat and an upper insert which is in nested fit with the magnet seat, the magnet is sleeved outside the magnet seat, the lower end of the upper insert extends to the lower part of the magnet seat and is of a cylindrical structure with an opening at the lower end, and the lower end face of the first lower cavity is provided with an annular cavity which surrounds the movement area of the plug.

10. The manual magnetic attraction openable and closable controller according to claim 3, further comprising: the lower end part of the button rod is provided with a magnet seat and an upper insert which is in nested fit with the magnet seat, the magnet is sleeved outside the magnet seat, and the upper insert is arranged inside the magnet seat.

11. The manual magnetic attraction openable and closable controller according to claim 3, further comprising: and a sealing element which is used for being in sealing fit with the lower end part of the valve rod is nested on the inner wall of the upper end of the fifth chamber.

12. The manual magnetic attraction openable and closable controller according to claim 3, further comprising: and a one-way valve assembly used for discharging air in the first lower chamber outwards and a needle valve assembly used for realizing the right and outward and inward entering of the air are arranged on the side wall, opposite to the first lower chamber, of the valve body.

13. The manual magnetic attraction openable and closable controller according to claim 12, further comprising: the check valve assembly comprises a base, a rubber diaphragm arranged on the base, a pressing plate which is matched with the base and limits the middle part of the rubber diaphragm, and an end cover which covers the base and the outer side end of the pressing plate; and air outlet holes for realizing air discharge are formed in the middle parts of the base, the pressing plate and the end cover together.

14. The manual magnetic attraction openable and closable controller according to claim 12, further comprising: the needle valve component comprises a needle valve seat and a needle valve core which is inserted and matched in the needle valve seat; the outer wall of the valve body is provided with an air inlet hole, the interior of the needle valve seat is hollow and is communicated with the air inlet hole, and the end part of the inner side of the needle valve seat is provided with a limiting hole communicated with the first lower cavity; the needle valve core is inserted and matched in the flow limiting hole.

15. The manual magnetic attraction on-off controller according to any one of claims 1 to 14, characterized in that: the vacuum interface, the air interface and the output interface are all arranged on the lower end face of the valve body, and the number of the output interfaces is three.

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