CN214146779U - Manual valve with electric signal output - Google Patents

Abstract

The utility model relates to a manual valve of electrified signal output, manual valve includes valve body, valve rod, magnetic induction switch, steel ball, magnetic ring and bulb handle, the valve rod sets up in the valve body, the magnetic ring sets up on the valve rod, the magnetic induction switch sets up correspond the magnetic ring on the valve body, the magnetic induction switch responds to the magnetic ring; the steel ball is arranged in the valve body, the ball head handle is connected with the valve body through a cylindrical pin, and the ball head handle, the steel ball and the valve rod are sequentially connected. The utility model discloses keep current manual valve structure, need not to change the directional control valve, need not complicated circuit, expensive sensor and just can satisfy the position and detect, operating condition judges, and output signal gives equipment.

Description

Manual valve with electric signal output

Technical Field

The utility model relates to a pneumatic control field especially relates to an use compressed air to take manual valve of magnetic induction switch signal of telecommunication output transmission information as working medium.

Background

With the introduction of modern mechanized production, a pneumatic valve is an electromechanical integration product widely applied to the control field, and a manual valve structure used in the market at present cannot judge the stop position of a hand-operated lever, so that the working state of the manual valve (whether air pressure is output at a working port or not) cannot be determined; for example, the manual valve is applied to the medical industry, is used for an anesthesia machine for animals, is used for introducing oxygen, laughing gas and anesthetic gas, is completely memorized by manpower, has no error prevention function and is easy to operate by mistake by shifting a manual valve shifting lever up and down to control the switching of a gas circuit.

Thus, the prior art manual valves also have a place to lift.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual valve of electrified signal output function judges the gas circuit state with the online automation of equipment, in case there is the maloperation can the automatic shutdown warning to solve prior art's technical problem.

In order to achieve the above object, the present invention provides a manual valve with an electric signal output, the manual valve includes a valve body, a valve rod, a magnetic induction switch, a steel ball, a magnetic ring and a ball handle, the valve rod is disposed in the valve body, the magnetic ring is disposed on the valve rod, the magnetic induction switch is disposed on the valve body and corresponds to the magnetic ring, and the magnetic induction switch senses the magnetic ring; the steel ball is arranged in the valve body, the ball head handle is connected with the valve body through a cylindrical pin, and the ball head handle, the steel ball and the valve rod are sequentially connected.

According to the manual valve with electric signal output of the preferred embodiment of the present invention, the valve body further comprises a valve sleeve and a valve sleeve pressing block, wherein the valve sleeve is a hollow cylinder, and the middle part of the valve sleeve is provided with a valve sleeve stepped hole; the valve sleeve pressing block is a hollow cylinder body, the valve sleeve pressing block is arranged in the valve sleeve, and one end of the valve rod penetrates through the valve sleeve stepped hole and is arranged in the valve sleeve pressing block; the steel ball is arranged in the valve sleeve pressing block, and one side of the steel ball, which is connected with the ball head handle, protrudes out of the valve sleeve pressing block; one end of the ball head handle connected with the steel ball comprises a ball head concave part.

According to the utility model discloses preferred embodiment the manual valve of electrified signal output, manual valve still includes the magnetic ring briquetting, the magnetic ring briquetting sets up on the valve rod, the magnetic ring briquetting is spacing the magnetic ring.

According to the utility model discloses preferred embodiment the hand-operated valve of electrified signal output, hand-operated valve still includes reset spring, a spring recess is seted up to the other one end of valve rod, reset spring inserts and establishes the connection the spring recess, reset spring's both ends are connected respectively the bottom of spring recess with the inner face of valve body.

The design idea of the application is as follows: the method comprises the following steps that valve rod position judgment is added on a manual valve, electric signals are output at corresponding positions according to design requirements, namely, a magnetic ring is designed on a valve rod, a magnetic induction switch groove is designed on a valve body and used for fixing a magnetic induction switch, according to the preset condition, when a manual valve hand deflector rod is moved upwards, the stop position of the valve rod is a working position, air pressure is output from a working air port, and the magnetic induction switch outputs electric signals, so that the position is correct, and the action is normal; on the contrary, when the hand lever of the manual valve is shifted downwards or is in misoperation, the magnetic induction switch does not output signals, and external equipment does not work or prompts to give an alarm; in addition, the existing manual valve structure is kept in design, a direction control valve is not required to be replaced, a complex circuit and an expensive sensor are not required, and the requirements of position detection, working state judgment and signal output to external equipment can be met.

Compared with the prior art, the utility model has the advantages of it is following:

1. the structure of the existing manual valve is reserved, a direction control valve does not need to be replaced, a complex circuit and an expensive sensor are not needed, the requirements for position detection and working state judgment can be met, and signals are output to equipment;

2. the structure type is small and exquisite, and the requirement for small-space installation is met; the reversing is quick and sensitive, and the hand feeling is comfortable.

Of course, implementing any particular embodiment of the present disclosure does not necessarily have all of the above technical advantages at the same time.

Drawings

FIG. 1 is a schematic cut-away view of a manual valve according to the present application;

FIG. 2 is a schematic view of a valve body groove of the present application;

FIG. 3 is a cut-away schematic view of the manual valve in the working state of the present application;

FIG. 4 is a schematic view of the appearance of the manual valve of the present application;

fig. 5 is a top view of fig. 4.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

Please refer to fig. 1, a schematic view of a manual valve in a cut-away state of the present application, which is also a schematic view of a manual valve in a non-operation state of the present application, in which the manual valve with electric signal output of the present application includes a valve body 11, a valve rod 12, a magnetic induction switch 13, a steel ball 14, a magnetic ring 15 and a ball head handle 16, the valve rod 12 is disposed in the valve body 11, in order to prevent air leakage, the valve rod 11 includes an O-ring 17, the magnetic ring 15 is disposed on the valve rod 12, the magnetic induction switch 13 is disposed on the valve body 11 corresponding to the magnetic ring 15, in the present application, the magnetic ring 15 is a neodymium iron boron magnetic ring, but cannot be used to limit the present application, as long as the magnetic attraction requirement can be met, the magnetic induction switch 13 should be correctly operated, and should be a protection range of the present application, please refer to fig. 2, a schematic view of a valve body groove 18 is disposed on the valve body 11, the groove 18 is designed as an upper circle and a lower circle, after the magnetic induction switch 13 is inserted, the magnetic induction switch 13 can be protected in an encircling mode, and then the magnetic induction switch 13 is locked and limited by a screw rod, so that the magnetic induction switch 13 cannot move in the groove 18 of the valve body 11.

In addition, as shown in fig. 1, the steel ball 14 is arranged in the valve body 11, the ball-end handle 16 is connected with the valve body 11 through a cylindrical pin 19, after the positioning is performed through the cylindrical pin 19, the ball-end handle 16 can be shifted up and down by taking the cylindrical pin 19 as a supporting point and connected, and the ball-end handle 16, the steel ball 14 and the valve rod 12 are sequentially connected, so that the steel ball 14 can be pushed to drive the valve rod 12 to be linked when the ball-end handle 16 is shifted; in addition, the magnetic induction switch 13 induces the magnetic ring 15 to transmit information to an external device, and in fig. 3, the magnetic ring 15 moves to an induced position of the magnetic induction switch 13 along with the valve stem 12.

In the embodiment of the present application, the magnetic induction switch 13 may be a contact type (such as a reed switch) or a contactless type (such as an electronic type, such as a hall effect sensor); the reed switch is a special magnetic-sensitive switch, which usually has two or three reed contacts made of magnetic and electric conductive materials, and is sealed in a glass tube filled with inert gas or vacuum, and the ends of the parallel sealed reeds in the glass tube are overlapped and are left with a certain gap or are contacted with each other to form a normally open or normally closed contact of the switch. When the permanent magnet is close to the clarinet or the magnetic field formed by the coil wound around the clarinet is electrified to magnetize the reed, the contact part of the reed induces the magnetic pole with opposite polarity. Opposite attraction, when the attraction force is larger than the elastic force of the spring, the contact can be attracted, so that the circuit is conducted; and when the magnetic force is small to a certain degree, the contact is opened by the elastic force of the spring. In addition, the hall effect sensor is also a magnetic sensing element, which is based on the hall effect, when magnetic lines of force vertically pass through the plane of the electrified semiconductor, induced voltage is formed on two end faces of the semiconductor, which are parallel to the current, and the magnitude of the induced voltage is in direct proportion to the current and the magnetic field intensity. The voltage signal can be used for controlling other circuits after being amplified and the like.

The reed switch or the Hall effect sensor is used, the control circuit and the sensor are very simple and easy and low in cost, and under the design, the manual valve is improved less, and the effect of alarming can be achieved by combining the circuit.

Referring to fig. 1, the valve body 11 further includes a valve sleeve 20, a valve sleeve pressing block 21, a gasket 22 and a hexagon nut 23, wherein the valve sleeve 20 is a hollow cylinder, a valve sleeve stepped hole is formed in the middle of the valve sleeve 20, the valve sleeve 20 is fixed by the gasket 22 and the hexagon nut 23, and the valve sleeve stepped hole includes a valve sleeve bottom O-ring 24, a valve sleeve inner hole O-ring 25 and a valve body O-ring 26 in order to prevent air leakage in fig. 1; the valve sleeve pressing block 21 is a hollow cylinder, the valve sleeve pressing block 21 is arranged in the valve sleeve 20, one end of the valve rod 12 penetrates through the valve sleeve stepped hole and is arranged in the valve sleeve pressing block 21, and in the figure, the end of the valve rod 12 penetrating through the valve sleeve stepped hole is an end concave part; the steel ball 14 is arranged in the valve sleeve pressing block 21, one side of the steel ball 14, which is connected with the ball head handle 16, protrudes out of the valve sleeve pressing block 21, the other side of the steel ball 14 is an end concave part connected with the valve rod 12, and the design of the end concave part can ensure that the connection between the steel ball 14 and the valve rod 12 is more stable; the end of the ball handle 16 that is attached to the ball 14 includes a ball recess.

As shown in fig. 1, the ball-end handle 16 includes a rod and a ball-end, the ball-end recess is on one side of the ball-end, in fig. 1, the steel ball 14 is located in the ball-end recess, the valve rod 12 is at the leftmost end of the travel path, in fig. 3, the steel ball 14 is located outside the ball-end recess, the steel ball 14 is pushed by the ball-end, the steel ball 14 pushes the valve rod 12, the valve rod 12 is at the rightmost end of the travel path, and the magnetic ring 15 is located in the sensing position of the magnetic sensing switch 13.

Referring to fig. 1, the manual valve further includes a magnetic ring pressing block 27, the magnetic ring pressing block 27 is disposed on the valve rod 12, and the magnetic ring pressing block 27 limits the magnetic ring 15. The position of the magnetic ring 15 affects the induction effect of the magnetic induction switch 13, and the magnetic ring pressing block 27 is used for limiting the magnetic ring 15, so that the position of the magnetic ring 15 can be ensured.

In addition, the manual valve of the present application further includes a return spring 28, as shown in fig. 1, a spring groove is formed at the other end of the valve rod 12, the return spring 28 is inserted and connected to the spring groove, and two ends of the return spring 28 are respectively connected to the bottom of the spring groove and the inner surface of the valve body 11; with the ball handle 16 down in fig. 1, the ball 14 enters the ball recess, and the return spring 28 expands to push the stem 12 toward the ball 14, securing the ball 14 in the ball recess, and conversely, with the ball handle 16 up in fig. 3, the ball 14 leaves the ball recess, the ball 14 pushes the stem 12 toward the return spring 28, and the return spring 28 is forced into a compressed state.

As described above, the working principle of the present application is: when the ball head handle 16 is shifted upwards and downwards, the ball head handle 16 circularly moves around the cylindrical pin 19, when the rod body is shifted upwards, the rod body moves to the convex part to push the steel ball 14 to move rightwards, the steel ball 14 pushes the valve rod 12, the return spring 28 is compressed, the valve rod 12 moves rightwards, the ports 2 and the ports 3 are communicated, the magnetic ring 15 fixed at the tail part of the valve rod 12 is close to an induction area of the magnetic induction switch 13, and the magnetic induction switch 13 outputs an electric signal to tell external equipment about the position of the valve rod 12 and the working state of a gas circuit at the moment; when the rod body is pulled downwards, the steel ball 14 moves to the part of the ball head concave part, the return spring 28 extends, the valve rod 12 is pushed to move leftwards under the action of spring force, the port 2 is communicated with the port 1, the magnetic ring 15 fixed at the tail part of the valve rod 12 is far away from the induction area of the magnetic induction switch 13, and the magnetic induction switch 13 does not output signals. In addition, the design parameters of the manual valve of the present application include: optimum working temperature: 10-40 ℃; the best working use pressure: 0 to 0.8 MPa; maximum withstand voltage: 1.2 MPa.

Compared with the prior art, the utility model has the advantages of it is following:

1. the structure of the existing manual valve is reserved, a direction control valve does not need to be replaced, a complex circuit and an expensive sensor are not needed, the requirements for position detection and working state judgment can be met, and signals are output to equipment;

2. the structure type is small and exquisite, and the requirement for small-space installation is met; the reversing is quick and sensitive, and the hand feeling is comfortable.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims (4)

1. The manual valve with the function of outputting the electrified signal is characterized by comprising a valve body, a valve rod, a magnetic induction switch, a steel ball, a magnetic ring and a ball head handle, wherein the valve rod is arranged in the valve body; the steel ball is arranged in the valve body, the ball head handle is connected with the valve body through a cylindrical pin, and the ball head handle, the steel ball and the valve rod are sequentially connected.

2. The manual valve with electric signal output of claim I, wherein the valve body further comprises a valve housing and a valve housing press, wherein,

the valve sleeve is a hollow cylinder, and a valve sleeve stepped hole is formed in the middle of the valve sleeve;

the valve sleeve pressing block is a hollow cylinder body, the valve sleeve pressing block is arranged in the valve sleeve, and one end of the valve rod penetrates through the valve sleeve stepped hole and is arranged in the valve sleeve pressing block;

the steel ball is arranged in the valve sleeve pressing block, and one side of the steel ball, which is connected with the ball head handle, protrudes out of the valve sleeve pressing block;

one end of the ball head handle connected with the steel ball comprises a ball head concave part.

3. A manual valve with electric signal output as claimed in claim 2, characterized in that said manual valve further comprises a magnetic ring press block, said magnetic ring press block is disposed on said valve stem, said magnetic ring press block limits said magnetic ring.

4. The manual valve with electric signal output according to claim 3, further comprising a return spring, wherein a spring groove is formed at the other end of the valve rod, the return spring is inserted and connected with the spring groove, and two ends of the return spring are respectively connected with the bottom of the spring groove and the inner surface of the valve body.

Images