CN212322148U - Manual button mechanism applied to full-automatic pneumatic control device - Google Patents

Abstract

The utility model relates to a manual button mechanism applied to a full-automatic pneumatic control device, which comprises a shell, a pressing component and a pressure adjusting component, wherein the pressing component and the pressure adjusting component are arranged in the shell; a cavity and an air flow passage communicated with the cavity are arranged in the shell; the pressing assembly comprises a button body, a first corrugated diaphragm and a reset spring, wherein the first corrugated diaphragm is driven by the button body to realize the connection and disconnection between one end of the cavity and the air flow channel, and the reset spring is used for realizing the reset of the button body; the pressure regulating assembly comprises a high-pressure tank body seat and a second corrugated membrane, wherein the interior of the high-pressure tank body seat is communicated with the cavity; the utility model discloses add manual button mechanism on full-automatic pneumatic control device, made full-automatic pneumatic control device possess the manual mode of patrolling and examining, this manual button mechanism is direct to be connected with the break-make valve rod for the work of control break-make valve rod, when the mode control that adopts the lug connection can improve the sensitivity of action, reduces the misjudgement rate, patrols and examines efficiently.

Description

Manual button mechanism applied to full-automatic pneumatic control device

Technical Field

The utility model relates to a be applied to vacuum sewage continuous collection, temporary storage and periodic conveying system's pneumatic controller technical field, wherein pneumatic controller uses pressure differential drive control method to realize the action to be used for with vacuum blowoff valve connection control vacuum blowoff valve work, the utility model discloses then in particular to be applied to full-automatic pneumatic control device's manual button mechanism.

Background

A vacuum sewage continuous collection, temporary storage and periodic delivery system belongs to a vacuum well system, which is characterized in that when in operation, domestic sewage (such as black water represented by waste water sources of urinals, toilets and the like, and grey water represented by waste water sources of kitchens, changing and washing, bathing and the like) from buildings (such as rural flat houses, tile houses, buildings, cement houses, villas, urban residential buildings, high buildings, large buildings and the like) is delivered to a remote sewage pool or a vacuum collection delivery pipeline system by virtue of a pipe based on a vacuum or negative pressure airflow delivery force principle that air is sucked into one end of the pipe and air is discharged out of the other end of the pipe; a typical technical scheme for realizing the application scenario is to adopt a temporary sewage storage tank. The sewage tank has an inlet connected to a sewage port of the building, a sewage suction inlet connected to the vacuum sewage delivery pipe, and a vacuum sewage valve connecting the sewage suction inlet and the vacuum sewage delivery pipe. The vacuum blowoff valve is provided with a control system or device, the basic operation flow of the vacuum blowoff valve is that when the sewage level in the liquid storage tank reaches a first preset value, the controller applies vacuum force to the vacuum blowoff valve to suck and empty the sewage, and the control system closes the vacuum blowoff valve until the sewage level in the sewage tank falls to another preset value.

The control device in the vacuum well system comprises an input/output interface, an energy unit, a power unit, an execution unit and a control unit, wherein the input/output interface is provided with an operation element to be manually operated by a user, and an input pipeline and an output pipeline which are connected with other peripheral equipment or devices; the energy unit is provided with various units which are communicated with an internal input and output pipeline from an external input or output interface and unit internal energy flows; the power unit is provided with a component for converting the energy flow in the energy unit into power flow; the execution unit is used for switching different input energy flows from the energy unit and an output interface in the input and output interfaces; the control unit is used for indirectly adjusting the power unit to realize the components and the method for adjusting the execution unit, or directly adjusting the components and the method for adjusting the execution unit; the manual operating element is a control button, and at present, the working principle for realizing the function of the control button mainly includes the following two types:

(1) a spring-reset ejector rod mechanism is adopted, and manual control is realized by indirectly controlling an actuating device (namely an on-off valve); reference is made to the patent application Foreman et al, U.S. Pat. No. 5,5069243, to Foreman et al;

(2) a diaphragm mechanism with spring reset is adopted, namely, manual control is realized by directly controlling an actuating device (namely an on-off valve); reference is made to the invention patent application by Greenleaf et al, the invention patent of US4373838, et al;

generally, in the technical field of liquid or sewage collection, a great deal of foreign technologies relate to the subdivision field of control buttons, while the accumulation time of the domestic technologies is relatively short, and although the development speed is relatively advanced in recent years, the defects still exist, and the defects are analyzed by combining the current domestic and foreign prior art:

(1) referring to the U.S. patent No. US5069243, in a spring-return ejector rod mechanism, there are problems of high false rate, low inspection efficiency and high labor intensity, manual control is realized by indirectly controlling an executing device (i.e., an on-off valve), and a certain false rate exists to a certain extent, i.e., after a manual button on a pneumatic controller is pressed down, a vacuum blowoff valve does not act, and the vacuum blowoff valve is considered to be bad, actually the pneumatic controller is bad, which is one of the problems existing in indirect control;

(2) referring to the U.S. patent No. US5069243, a cavity structure is not beneficial to water collection and drainage, the product has short service life and high failure rate, is not beneficial to water collection and drainage of relevant cavities, causes aging and failure of components, and greatly reduces the service life, and the structural scheme is that a control device (a liquid level sensor interface and a pressure stabilizing device) is arranged at the top end of an air-controlled controller, so that condensed water in a liquid level sensor enters the control device and cannot be discharged, a manual button cannot trigger action for a long time, and more seriously, the air-controlled controller fails because the control device cannot act;

(3) referring to the invention patent with the patent number of US4373838, in a diaphragm mechanism with spring return, the device has no water collection and drainage functions, and is easy to clamp and accelerate aging; the device has no time delay closing function and is not strong in functionality; the manual function and the pneumatic function can only be selected one, and two functions cannot be realized simultaneously.

To exist not enough among the prior art, the utility model discloses developed a be applied to full-automatic pneumatic control device's manual button mechanism 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 button mechanism is applied to a full-automatic pneumatic control device, solves the problems of unreasonable structural design, poor reliability and high failure rate of a control button in the prior art, and simultaneously solves the problems of poor sensitivity and high misjudgment rate of a structure during action.

The technical scheme of the utility model is that: a manual button mechanism applied to a full-automatic pneumatic control device comprises a shell, a pressing component and a pressure adjusting component, wherein the pressing component and the pressure adjusting component are arranged in the shell; a cavity and an air flow passage communicated with the cavity are arranged in the shell; the pressing assembly comprises a button body, a first corrugated diaphragm and a reset spring, wherein the first corrugated diaphragm is driven by the button body to realize the connection and disconnection between one end of the cavity and the air flow channel, and the reset spring is used for realizing the reset of the button body; the pressure adjusting assembly is arranged at one end, far away from the air flow channel and communicated with the cavity, of the cavity and comprises a high-pressure tank body seat and a second corrugated membrane, wherein the interior of the high-pressure tank body seat is communicated with the cavity, and the second corrugated membrane separates the interior of the high-pressure tank body seat.

Preferably, the button body comprises a button rod and a sealing plate which are arranged in an integrated structure, the button rod penetrates through the shell and extends into the cavity, the sealing plate is arranged in the cavity, a sealing ring is arranged between the side wall and the inner wall of the cavity, the cavity is divided into a first cavity and a second cavity by the sealing plate, and a plurality of first vent holes are uniformly distributed in the end face of the sealing plate; the first corrugated diaphragm is fixed at the lower end of the sealing plate, a plurality of diaphragm structures for realizing the connection and disconnection of the first cavity and the second cavity through deformation are arranged on the end surface, the diaphragm structures are respectively arranged corresponding to the first vent holes, and a plurality of second vent holes are uniformly distributed on the end surface; the high-pressure tank body seat is fixed in the second cavity and is of a hollow structure with an opening at the lower end, and a first vent groove which enables the interior of the high-pressure tank body seat to be communicated with the second cavity is formed in the side wall; the second corrugated diaphragm is arranged in the high-pressure tank body seat and divides the interior of the high-pressure tank body seat into a third cavity and a fourth cavity, and the fourth cavity is communicated with the second cavity through a first vent groove; the reset spring is arranged between the lower end face of the first corrugated diaphragm and the upper end face of the high-pressure tank body seat.

Preferably, a slotted hole with two open side ends is arranged in the button rod, and a positioning screw fixed on the shell is arranged in the slotted hole in a penetrating manner along the horizontal direction.

Preferably, an annular groove is formed in the end face of the inner side of the shell at the upper end of the cavity, the annular groove is communicated with the air flow channel, a plurality of ejector pins extending into the cavity are uniformly distributed in the annular groove, the ejector pins are respectively and coaxially arranged corresponding to the first vent holes, and the outer diameter of each ejector pin is smaller than the inner diameter of each first vent hole; the membrane structure comprises a thimble positioning seat aligned with the first vent hole and an arc-shaped deformation sheet arranged around the thimble positioning seat; the thimble positioning seat is used for abutting against the lower end face of the thimble to realize the deformation of the membrane structure; and a plurality of second vent holes are uniformly distributed on the arc-shaped deformation sheet.

Preferably, the lower end part of the cavity is provided with a mounting boss, the mounting boss is provided with a pair of second vent grooves, one end of each second vent groove extends to the upper end face of the mounting boss, and the other end of each second vent groove extends to the side wall of the mounting boss; the high-pressure tank body seat is of a convex structure and is fixed on the mounting boss, and the first vent groove and the second vent groove on the side edge are communicated.

Preferably, the side edge of the second corrugated diaphragm is fixed between the mounting boss and the high-pressure tank body seat, the middle part of the second corrugated diaphragm is connected with an on-off valve rod, the upper end of the on-off valve rod is fixedly connected with the middle part of the second corrugated diaphragm through a fixing screw, and a third vent hole communicated with the third chamber is formed in the middle part of the fixing screw and the middle part of the on-off valve rod.

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

(1) the utility model discloses add manual button mechanism on full-automatic pneumatic control device, made full-automatic pneumatic control device possess the manual mode of patrolling and examining, this manual button mechanism is direct to be connected with the break-make valve rod for the work of control break-make valve rod, because the break-make valve rod belongs to the executive component of the full-automatic pneumatic control device work of direct control, can improve the sensitivity of action when the mode control that adopts the lug connection, reduce the erroneous judgement rate, it is efficient to patrol and examine.

(2) Because the manual button mechanism is directly connected with the on-off valve rod to realize manual control, after the button body is pressed, if the vacuum blow-off valve does not work at the moment, the vacuum blow-off valve is proved to have a fault, otherwise, the vacuum blow-off valve is not proved to have a fault, and meanwhile, the full-automatic pneumatic control device is also proved to have a fault; because the states of the full-automatic pneumatic control device and the vacuum blowoff valve can be detected and judged without disassembling related equipment, the labor intensity is greatly reduced.

(3) The utility model not only has the manual polling function, but also has the function of being compatible with the automatic operation mode, namely, under the automatic operation mode of the full-automatic pneumatic control device, the manual button mechanism can not influence the work of the full-automatic pneumatic control device, and can not cause the misoperation of the manual button mechanism; the structure design is compact, the types and the number of parts are small, and the reliability is higher;

(4) through the design of each cavity and air circulation route in inside for the inside in-process of ventilating of casing also has certain water collection drainage function, and then makes the life-span of device extension, and the fault rate step-down.

Drawings

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

fig. 1 is a schematic structural diagram of a manual button mechanism applied to a full-automatic pneumatic control device according to the present invention;

fig. 2 is a schematic structural diagram of the housing of the present invention;

fig. 3 is a schematic structural diagram of the first housing according to the present invention;

fig. 4 is a schematic structural view of the button body of the present invention;

fig. 5 is a schematic view of a connection structure between the button body and the housing according to the present invention;

fig. 6 is a schematic structural view of the first corrugated diaphragm according to the present invention;

fig. 7 is a schematic structural view of the high-pressure tank body seat of the present invention;

fig. 8 is a schematic view of the connection structure of the high-pressure tank body seat and the button body and the housing according to the present invention;

fig. 9 is a schematic structural view of a fully automatic pneumatic control apparatus according to the present invention;

fig. 10 is a schematic diagram of an air flow path in a manual button mechanism for a fully automatic pneumatic control apparatus according to the present invention;

fig. 11 is a partial enlarged view of an air flow passage in a manual button mechanism of the fully automatic pneumatic control apparatus according to the present invention;

fig. 12 is an enlarged schematic view of the structure of the button body according to the present invention when pressed downward;

FIG. 13 is a schematic structural view of the fully automatic pneumatic control device in the non-operating state without pressing the manual button mechanism according to the present invention;

FIG. 14 is a schematic structural view of the fully automatic pneumatic control device in a working state without pressing the manual button mechanism according to the present invention;

fig. 15 is a schematic structural view of the utility model after the manual button mechanism is pressed;

wherein: 1. a housing;

11. the air purifier comprises a first shell 12, a second shell 13, an air flow channel 14 and a cavity;

111. an annular groove 112 and a thimble;

121. a mounting boss 122 and a second vent groove;

141. a first chamber, 142, a second chamber;

2. a pressing assembly;

21. the button comprises a button body 22, a first corrugated diaphragm 23 and a return spring;

211. a button rod 212, a sealing plate 213, a slotted hole 214, a positioning screw 215 and a first vent hole;

221. a membrane structure 222, a thimble positioning seat 223, an arc-shaped deformation sheet 224 and a second vent hole;

3. a pressure regulating assembly;

31. a high-pressure tank body seat 32, a second corrugated diaphragm 33 and an on-off valve rod;

311. a first vent channel, 312, a third chamber, 313, a fourth chamber;

331. set screw, 332, third ventilation hole.

Detailed Description

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

as shown in fig. 1, a manual button mechanism applied to a full-automatic pneumatic control device belongs to a partial structure of the full-automatic pneumatic control device, is used for checking and judging whether the full-automatic pneumatic control device is damaged or not, and structurally comprises a shell 1, a pressing component 2 and a pressure adjusting component 3, wherein the pressing component 2 and the pressure adjusting component 3 are installed in the shell 1.

As shown in fig. 2, the housing 1 includes a first housing 11 and a second housing 12 arranged from top to bottom, an air flow passage 13 is arranged in the first housing 11, and a cavity 14 communicated with the air flow passage 13 is arranged in the second housing 12; the communication mode between the air flow channel 13 and the cavity 14 is as follows: referring to fig. 2 and 3, an annular groove 111 is formed in an end surface of the lower end of the first housing 11 aligned with the upper end of the cavity 14, the annular groove 111 is communicated with the air flow passage 13, and a plurality of ejector pins 112 extending into the cavity 14 are uniformly distributed in the annular groove 111; as shown in fig. 2, the lower end of the cavity 14 is further provided with a mounting boss 121, the mounting boss 121 is provided with a pair of second vent grooves 122, one end of each second vent groove 122 extends to the upper end face of the mounting boss 121, and the other end extends to the side wall of the mounting boss 121.

As shown in fig. 1, the pressing assembly 2 includes a button body 21, a first bellow 22 for making and breaking one end of the cavity 14 and the air flow channel 13 by driving the button body 21, and a return spring 23 for returning the button body 21; as shown in fig. 4, the button body 21 includes a button rod 211 and a sealing plate 212, which are integrally formed, as shown in fig. 5, the button rod 211 penetrates through the first housing 11 and extends into the cavity 14, the sealing plate 212 is disposed in the cavity 14, a sealing ring is disposed between a side wall and an inner wall of the cavity 14, the sealing plate 212 divides the cavity 14 into a first chamber 141 and a second chamber 142, a plurality of first vent holes 215 are uniformly distributed on an end surface, the first vent holes 215 are coaxially disposed with the ejector pins 112 one by one, and an inner diameter is larger than an outer diameter of the ejector pins 112; in order to ensure the motion stability of the button body 21 during the pressing process and avoid the deflection along the central axis direction, a slot hole 213 and a positioning screw 214 penetrating through the slot hole 213 are arranged inside the button rod 211, as shown in fig. 4, the slot hole 213 is arranged along the vertical direction, two side ends are open and respectively extend to the side wall of the button rod 211, and the positioning screw 214 penetrates through the slot hole 213 and is fixed in the first housing 11; as shown in fig. 5, the first corrugated diaphragm 22 is fixed at the lower end of the sealing plate 212, a plurality of diaphragm structures 221 for realizing the connection and disconnection of the first chamber 141 and the second chamber 142 through deformation are arranged on the end surface, the diaphragm structures 221 are respectively arranged corresponding to the first vent holes 215, as shown in fig. 6, the diaphragm structures 221 include the thimble positioning seats 222 aligned with the first vent holes 215, and the arc-shaped deformation pieces 223 arranged around the thimble positioning seats 222; the thimble positioning seat 222 is used for abutting against the lower end surface of the thimble 112 to realize the deformation of the membrane structure 221; a plurality of second vent holes 224 are uniformly distributed on the arc-shaped deformation sheet 223; in this embodiment, three ejector pins 112, three first vent holes 215 and three membrane structures 221 are correspondingly disposed, and are uniformly distributed in a ring shape along the central axis of the cavity 14.

As shown in fig. 1, the pressure regulating assembly 3 is disposed at an end of the cavity 14, which is far from the air flow passage 13 and communicates with the cavity 14, and includes a high-pressure tank body seat 31 whose inside communicates with the cavity 14 and a second corrugated diaphragm 32 which partitions the inside of the high-pressure tank body seat 31; as shown in fig. 7 and 8, the high-pressure tank body seat 31 is in a "convex" shape, is fixed on the mounting boss 121 in the second chamber 142, and is in a hollow structure with an open lower end, the sidewall is provided with a first vent groove 311 for communicating the inside of the high-pressure tank body seat 31 with the second chamber 142, the first vent groove 311 and the second vent groove 122 are aligned, the second corrugated diaphragm 32 is arranged in the high-pressure tank body seat 31 and divides the inside of the high-pressure tank body seat 31 into an upper third chamber 312 and a lower fourth chamber 313, and the fourth chamber 313 and the second cavity 14 are communicated through the first vent groove 311 and the second vent groove 122; as shown in fig. 8, the side edge of the second bellows diaphragm 32 is fixed between the mounting boss 121 and the high-pressure tank body seat 31, the middle portion of the second bellows diaphragm is connected to the on-off valve rod 33, the upper end of the on-off valve rod 33 is fixedly connected to the middle portion of the second bellows diaphragm 32 through a fixing screw 331, and the middle portions of the fixing screw 331 and the on-off valve rod 33 are provided with a third vent hole 332 communicated with the third chamber 312.

In this embodiment, the pressing member 2 is of a movable structure, the high-pressure tank body seat 31 is of a fixed structure, the return spring 23 is installed between the lower end surface of the first corrugated diaphragm 22 and the upper end surface of the high-pressure tank body seat 31, and after the button rod 211 is pressed downward, the button rod 211 can be automatically reset through the return spring 23.

The utility model belongs to one of the main structures in the full-automatic pneumatic control device, as shown in fig. 9, the work of the full-automatic pneumatic control device is mainly realized by the movement of the on-off valve rod 33, the full-automatic pneumatic control device comprises an input port G01, an output port G02, an air pipeline interface G03 and a vacuum pipeline interface G04, and the output port G02 is used for being connected with a vacuum blowoff valve, thereby driving the vacuum blowoff valve to work; when the output port G02 is communicated with the air pipeline interface G03, the full-automatic pneumatic control device does not work, the on-off valve rod 33 is in a low position state, and the vacuum blowoff valve is closed; when the output port G02 is communicated with the vacuum pipeline interface G04, the full-automatic pneumatic control device starts to work, the on-off valve rod 33 is in a high state, and the vacuum blowoff valve is opened.

In the present embodiment, the "high state" and the "low state" refer to the highest position and the lowest position of the corresponding component in the motion stroke range.

As shown in fig. 10, the air flow path inside the manual button mechanism is specifically as follows:

air circulation route (r): the air flows along the air flow channel 13, and the air is filtered and dehumidified when entering the air flow channel 13 from the outside, so that the air entering the shell 1 is ensured to be dry and clean, and the service life of the full-automatic pneumatic control device is prolonged;

air flow path 2: as shown in fig. 11, the air flows along the annular groove 111 and the first chamber 141, and the air flow path (c) is always communicated with the air flow path (r);

air flow path line c: as shown in fig. 11, the membrane structure 221 is in a deformed state when the thimble 112 abuts against the thimble positioning seat 222 as shown in fig. 5 in a state of flowing along the first vent hole 215 and the second vent hole 224; in the closed state of the flow path, as shown in fig. 12, the thimble 112 is separated from the thimble positioning seat 222, the membrane structure 221 is in the reset state, at this time, the thimble positioning seat 222 abuts against the lower end surface of the sealing plate 212, and the first vent hole 215 is not communicated with the second vent hole 224;

air circulation route (iv): as shown in fig. 10, the air pressure in the second chamber 142, the first vent groove 311, the second vent groove 122, and the fourth chamber 313 changes, which causes the second bellows diaphragm 32 to deform;

air circulation path line (v): as shown in FIG. 10, when the second bellows 32 deforms, the volume and pressure of the third chamber 312 change, and the third vent 332 inflates or deflates the third chamber 312, as shown flowing along the third chamber 312 and the third vent 332.

The utility model relates to a full-automatic pneumatic control device can automatic control and operation under the condition that does not press manual button mechanism, and manual button mechanism does not have the influence to full-automatic pneumatic control device's normal work promptly, and it divide into following operating condition to according to following state cycle work:

(1) the first state: as shown in fig. 13, when the manual button mechanism is not pressed (the button body 21 is in the high position state) and the full-automatic pneumatic control device is not operated (the on-off valve rod 33 is in the low position state), the air pressure in each chamber inside the housing 1 is balanced;

(2) and a second state: as shown in fig. 14, the manual button mechanism (the button body 21 is in the high position) is not pressed and the full-automatic pneumatic control device is operated (the on-off valve rod 33 is in the high position), at this time, the air in the third chamber 312 is exhausted along the air circulation line (c), meanwhile, the air circulation line (c) is in the communication state because the thimble 112 abuts against the thimble positioning seat 222, and the air in the fourth chamber 313 is supplied with air through the air circulation line (c), the air circulation line (c) and the air circulation line (c) in sequence;

(3) and a third state: when the manual button mechanism is not pressed (the button body 21 is in a high position state) and the full-automatic pneumatic control device is in a reset state (the on-off valve rod 33 is reset from the high position state to the low position state), air in the third cavity 312 and the fourth cavity 313 is reversely supplemented with air and exhausted according to the air path in the state two;

under the condition that full-automatic pneumatic control device is not automatic control, through pressing the operating condition of the vacuum blowoff valve that manual control button inspection is connected with it, belong to manual mode of patrolling and examining, it can furthest's improvement trouble patrol and examine and investigation speed, its specific theory of operation is as follows:

in general, as shown in fig. 15, after the button body 21 is pressed, the first cavity 141 increases in volume and needs to be sucked through the air flow channel 13, that is, air is sucked through the air flow path line (i) and the air flow path line (ii), so as to avoid the situation that the press is not in place due to the exertion of force caused by the generation of back pressure; meanwhile, the air in the second chamber 142 is compressed and the pressure is increased, the increased pressure pushes the second corrugated diaphragm 32 to move upwards, so that the on-off valve rod 33 moves upwards and is in a high-position state, the full-automatic pneumatic control device starts to work, and the vacuum sewage valve connected with the full-automatic pneumatic control device is opened; at this time, the air in the third chamber 312 is discharged through the third vent hole 332, and the chamber flowing out of the third vent hole 332 is communicated with the air flow passage 13, so that the air discharged through the third vent hole 332 can flow into the air flow passage 13 and be discharged to the atmosphere.

Under the condition that the full-automatic pneumatic control device is not automatically controlled, after the manual button mechanism is pressed, the full-automatic pneumatic control device is subdivided into the following working states and circularly works according to the following working states:

(1) the first state: a non-pressed state, as shown in fig. 13, in which the air pressures in the respective chambers inside the housing 1 are balanced, this stage or state is used for the automatic control mode use of the full automatic pneumatic control apparatus;

(2) and a second state: continuing to press the button body 21, the volume of the first cavity 141 is increased, air is sucked in through the air flow path (i) and the air flow path (ii), as shown in fig. 12, at this time, the thimble 112 is separated from the thimble positioning seat 222, the membrane structure 221 is in a reset state, the plane around the thimble positioning seat 222 is attached to the lower end surface of the sealing plate 212, so that the first cavity 141 is not communicated with the second cavity 142, a closed environment is formed in the second cavity 142, air leakage is avoided, and preparation is made for converting low pressure in the second cavity 142 and the fourth cavity 313 into high pressure;

(3) and a third state: when the button body 21 reaches the low position state, the air in the second chamber 142 is compressed, the low pressure is converted into high pressure, and the high pressure is transferred to the lower part of the fourth cavity 14 through the air circulation line r, so that the second corrugated diaphragm 32 moves upwards to drive the full-automatic pneumatic control device to start to work; the volume in the third chamber 312 is reduced and air is exhausted along the air circulation path;

(4) and a fourth state: the button body 21 is reset by the action of the reset spring 23, when the thimble positioning seat 222 is contacted with the lower end surface of the thimble 112, a gap begins to appear between the peripheral plane of the thimble positioning seat 222 and the lower end surface of the sealing plate 212, the sealing relation is destroyed, the air circulation path is communicated, and meanwhile, the air path flow direction in the cavity is opposite to that in the second state and the third state.

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 will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and therefore, the present invention is considered to be exemplary and not restrictive in any way, since the scope of the present invention is defined 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, and therefore any reference signs in the claims are not intended to be construed as limiting the claims concerned.

Claims (6)

1. The utility model provides a be applied to full-automatic pneumatic control device's manual button mechanism which characterized in that: comprises a shell, a pressing component and a pressure adjusting component which are arranged in the shell; a cavity and an air flow passage communicated with the cavity are arranged in the shell; the pressing assembly comprises a button body, a first corrugated diaphragm and a reset spring, wherein the first corrugated diaphragm is driven by the button body to realize the connection and disconnection between one end of the cavity and the air flow channel, and the reset spring is used for realizing the reset of the button body; the pressure adjusting assembly is arranged at one end, far away from the air flow channel and communicated with the cavity, of the cavity and comprises a high-pressure tank body seat and a second corrugated membrane, wherein the interior of the high-pressure tank body seat is communicated with the cavity, and the second corrugated membrane separates the interior of the high-pressure tank body seat.

2. The manual button mechanism applied to the full-automatic pneumatic control device according to claim 1, wherein: the button body comprises a button rod and a sealing plate which are arranged in an integrated structure, the button rod penetrates through the shell and extends into the cavity, the sealing plate is arranged in the cavity, a sealing ring is arranged between the side wall and the inner wall of the cavity, the cavity is divided into a first cavity and a second cavity by the sealing plate, and a plurality of first vent holes are uniformly distributed in the end face of the sealing plate; the first corrugated diaphragm is fixed at the lower end of the sealing plate, a plurality of diaphragm structures for realizing the connection and disconnection of the first cavity and the second cavity through deformation are arranged on the end surface, the diaphragm structures are respectively arranged corresponding to the first vent holes, and a plurality of second vent holes are uniformly distributed on the end surface; the high-pressure tank body seat is fixed in the second cavity and is of a hollow structure with an opening at the lower end, and a first vent groove which enables the interior of the high-pressure tank body seat to be communicated with the second cavity is formed in the side wall; the second corrugated diaphragm is arranged in the high-pressure tank body seat and divides the interior of the high-pressure tank body seat into a third cavity and a fourth cavity, and the fourth cavity is communicated with the second cavity through a first vent groove; the reset spring is arranged between the lower end face of the first corrugated diaphragm and the upper end face of the high-pressure tank body seat.

3. The manual button mechanism applied to the full-automatic pneumatic control device according to claim 2, wherein: the button rod is internally provided with a slotted hole with two open side ends, and a positioning screw fixed on the shell is arranged in the slotted hole in a penetrating way along the horizontal direction.

4. The manual button mechanism applied to the full-automatic pneumatic control device according to claim 2, wherein: an annular groove is formed in the end face of the inner side of the shell at the upper end of the cavity, the annular groove is communicated with the air flow channel, a plurality of ejector pins extending into the cavity are uniformly distributed in the annular groove, the ejector pins are coaxially arranged corresponding to the first vent holes respectively, and the outer diameter of each ejector pin is smaller than the inner diameter of each first vent hole; the membrane structure comprises a thimble positioning seat aligned with the first vent hole and an arc-shaped deformation sheet arranged around the thimble positioning seat; the thimble positioning seat is used for abutting against the lower end face of the thimble to realize the deformation of the membrane structure; and a plurality of second vent holes are uniformly distributed on the arc-shaped deformation sheet.

5. The manual button mechanism applied to the full-automatic pneumatic control device according to claim 2, wherein: the lower end part of the cavity is provided with a mounting boss, a pair of second air grooves are arranged on the mounting boss, one end of each second air groove extends to the upper end face of the mounting boss, and the other end of each second air groove extends to the side wall of the mounting boss; the high-pressure tank body seat is of a convex structure and is fixed on the mounting boss, and the first vent groove and the second vent groove on the side edge are communicated.

6. The manual button mechanism applied to the full-automatic pneumatic control device according to claim 5, wherein: the side edge of the second corrugated diaphragm is fixed between the mounting boss and the high-pressure tank body seat, the middle part of the second corrugated diaphragm is connected with an on-off valve rod, the upper end of the on-off valve rod is fixedly connected with the middle part of the second corrugated diaphragm through a fixing screw, and a third vent hole communicated with the third chamber is formed in the middle part of the fixing screw and the middle part of the on-off valve rod.

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