CN219102092U

CN219102092U - Two-position three-way electromagnetic ball valve

Info

Publication number: CN219102092U
Application number: CN202223395893.3U
Authority: CN
Inventors: 祁超
Original assignee: Shanghai Kexian Industrial Development Co ltd
Current assignee: Shanghai Kexian Industrial Development Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-30
Anticipated expiration: 2032-12-16

Abstract

The utility model provides a two-position three-way electromagnetic ball valve, which comprises a valve body and an electromagnetic assembly, wherein a first valve seat and a second valve seat which are oppositely arranged are arranged in the valve body, a cavity is arranged between the first valve seat and the second valve seat, a P port, an A port and a T port are arranged on the side wall of the valve body, a first channel for communicating the P port with the cavity is arranged in the first valve seat, a second channel for communicating the T port with the cavity is arranged in the second valve seat, a front cone valve core is arranged in the first valve seat, a rear cone valve core is arranged in the second channel, and the electromagnetic assembly drives a long valve core to open the first channel to close the second channel or close the first channel to open the second channel. According to the two-position three-way electromagnetic ball valve provided by the utility model, the electromagnetic assembly is adopted to drive the front cone valve core and the rear cone valve core to axially move, so that the direction conversion of a control loop is realized, the leakage quantity can be well controlled by sealing between the conical surfaces of the front cone valve core and the rear cone valve core and the openings of the first channel and the second channel, zero leakage is almost achieved, the structure is simple, and the use cost is low.

Description

Two-position three-way electromagnetic ball valve

Technical Field

The utility model relates to the technical field of electromagnetic ball valves, in particular to a two-position three-way electromagnetic ball valve.

Background

The electromagnetic ball valve is an electromagnetic reversing valve which uses the thrust of an electromagnet as a driving force to push a steel ball to realize the on-off of an oil way. In some control loops, the direction conversion is required to be realized, the complete cut-off is required, no leakage exists, and the common electromagnetic reversing valve with a slide valve structure cannot meet the requirement of zero leakage, and an electromagnetic ball valve is usually adopted in the situation. At present, a plurality of types of electromagnetic ball valves exist in the market, most of the electromagnetic ball valves press-fit valve cores into valve sleeves, the production cost and the maintenance cost are high, and the electromagnetic ball valves are generally difficult to maintain. The valve seat and the valve core are separately installed, but the electromagnet adopts a flange structure, and the cost is high.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: in order to overcome the defects in the prior art, the utility model provides a two-position three-way electromagnetic ball valve.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a two tee bend solenoid valve, includes valve body and electromagnetic component, be equipped with first disk seat and the second disk seat that set up relatively in the valve body, be equipped with the cavity between first disk seat and the second disk seat, be equipped with P mouth, A mouth and T mouth on the valve body lateral wall, P mouth corresponds with first disk seat position, A mouth corresponds with cavity position, T mouth corresponds with second disk seat position, be equipped with the first passageway that is used for intercommunication P mouth and cavity in the first disk seat, be equipped with the second passageway that is used for intercommunication T mouth and cavity in the second disk seat, be equipped with the front cone case that is used for opening or closing first passageway in the first disk seat, the front cone case forms annular seal through conical surface and first passageway opening contact, be equipped with the back cone case that is used for opening or closing the second passageway in the second passageway, back cone case forms annular seal through the contact of second passageway opening, front cone case and back cone case butt each other and form long case, electromagnetic component drive the long first passageway of opening or second passageway opening the second passageway.

The P port and the T port are input ports, and the A port is output port; in the power-off state of the electromagnetic assembly, the second channel is closed by the rear cone valve core, the first channel is opened by the front cone valve core, and the P port and the A port are communicated through the first channel; when the electromagnetic assembly is in an electrified state, the front cone valve core closes the first channel, the rear cone valve core opens the second channel, and the T port and the A port are communicated through the second channel; the direction of the control loop is changed through the position change of the front cone valve core and the rear cone valve core, so that the function of the two-position three-way electromagnetic ball valve is realized. The conical surfaces of the front cone valve core and the rear cone valve core are sealed with the openings of the first channel and the second channel, so that the leakage quantity can be well controlled, and zero leakage is almost achieved. The front cone valve core and the rear cone valve core are independently processed and mutually abutted instead of being integrated, so that the processing requirements are reduced, and the performance is improved.

Further, the electromagnetic assembly comprises an electromagnet and a sealing cover, the sealing cover is arranged at one end of the valve body, which is close to the first valve seat, a spring seat is arranged at one end of the front cone valve core, which is close to the sealing cover, a spring is arranged between the spring seat and the sealing cover, the electromagnet is arranged at one end of the valve body, which is close to the second valve seat, and a push rod used for driving the long valve core to move towards the sealing cover is arranged at the output end of the electromagnet.

The electromagnetic push rod is an action executing mechanism which realizes the linear reciprocating motion of the push rod by utilizing the working characteristic of the electromagnet; the front cone valve core and the rear cone valve core are stuck together in the valve body, and when the electromagnet is electrified, the long valve core is pushed to the direction of the sealing cover by the push rod, so that the communication between the T port and the A port is realized; under the state of electromagnet outage, the long valve core is pushed to the direction of the electromagnet by the spring to realize resetting, and the P port and the A port are communicated.

Further, the electromagnet is in threaded connection with the valve body, and a spacer with adjustable thickness is attached to one end of the push rod, which is close to the long valve core. The valve body is in threaded connection with the electromagnet, and the valve body is adjustable and easy to install.

The distance between the push rod and the rear cone valve core is adjusted by using the thickness of the spacer, so that when the push rod extends out, the conical surface of the front cone valve core can be propped against the opening of the first channel to seal the first channel.

Further, an O-shaped sealing ring matched with the front cone valve core is arranged in the first valve seat, and an O-shaped sealing ring matched with the conveying rear cone valve core is arranged in the second valve seat.

Further, annular limiting blocks used for limiting the positions of the first valve seat and the second valve seat are arranged in the valve body. The valve body is machined by a steel piece forming cutter, the first valve seat and the second valve seat are arranged in the valve body in an open mode, and the annular limiting block is used for limiting.

The beneficial effects of the utility model are as follows: the two-position three-way electromagnetic ball valve provided by the utility model adopts the electromagnetic assembly to drive the front cone valve core and the rear cone valve core to axially move, realizes the direction conversion of a control loop, can well control the leakage quantity by sealing between the conical surfaces of the front cone valve core and the rear cone valve core and the openings of the first channel and the second channel, almost achieves zero leakage, has a simple structure and low use cost, and is especially suitable for the working conditions of a control system which are required to have a reversing function and are required to be controlled to achieve zero leakage.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a preferred embodiment of the present utility model.

In the figure: 1. electromagnet, 2, push rod, 3, valve body, 31, P mouth, 32, A mouth, 33, T mouth, 4, spring holder, 5, closing cap, 6, spring, 7, first disk seat, 71, first passageway, 8, second disk seat, 81, second passageway, 9, long case, 91, front cone case, 92, back cone valve core.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

As shown in fig. 1, the two-position three-way electromagnetic ball valve comprises a valve body 3 and an electromagnetic assembly, wherein a first valve seat 7 and a second valve seat 8 which are oppositely arranged are arranged in the valve body 3, a cavity is arranged between the first valve seat 7 and the second valve seat 8, a P port 31, an a port 32 and a T port 33 are arranged on the side wall of the valve body 3, the P port 31 corresponds to the first valve seat 7 in position, the a port 32 corresponds to the cavity, the T port 33 corresponds to the second valve seat 8 in position, a first channel 71 used for communicating the P port 31 and the cavity is arranged in the first valve seat 7, a second channel 81 used for communicating the T port 33 and the cavity is arranged in the second valve seat 8, a front cone valve core 91 used for opening or closing the first channel 71 is arranged in the first valve seat 7, the front cone valve core 91 contacts with the opening of the first channel 71 to form annular seal, a rear cone valve core 92 used for opening or closing the second channel 81 is arranged in the second channel 81, the rear cone core 92 contacts with the second channel 81 to form the second channel 71 through the conical surface contacts with the opening of the second channel 71 to form the second channel 81, the front cone valve core 81 is driven to open or close the second channel 81, the second channel 81 is driven to open or close the second channel 9 to open the electromagnetic assembly.

The electromagnetic assembly comprises an electromagnet 1 and a sealing cover 5, the sealing cover 5 is arranged at one end of the valve body 3, which is close to the first valve seat 7, a spring seat 4 is arranged at one end of the front cone valve core 91, which is close to the sealing cover 5, a spring 6 is arranged between the spring seat 4 and the sealing cover 5, the electromagnet 1 is arranged at one end of the valve body 3, which is close to the second valve seat 8, and a push rod 2 used for driving the long valve core 9 to move towards the sealing cover 5 is arranged at the output end of the electromagnet 1. The electromagnet 1 can be provided with corresponding manual emergency operation, so that the safety is improved.

The electromagnet 1 is in threaded connection with the valve body 3, and a spacer with adjustable thickness is attached to one end of the push rod 2, which is close to the long valve core 9.

An O-shaped sealing ring matched with the front cone valve core 91 is arranged in the first valve seat 7, and an O-shaped sealing ring matched with the conveying rear cone valve core 92 is arranged in the second valve seat 8.

Annular limiting blocks for limiting the positions of the first valve seat 7 and the second valve seat 8 are arranged in the valve body 3.

The working process comprises the following steps:

the front cone valve core 91 and the rear cone valve core 92 are integrally attached in the valve body 3, and when the electromagnet 1 is in an electrified state, the push rod 2 pushes the long valve core 9 to the direction of the sealing cover 5, so that the communication between the T port 33 and the A port 32 is realized; in the power-off state of the electromagnet 1, the long valve core 9 is pushed to the direction of the electromagnet 1 by the spring 6 to realize resetting, and the P port 31 and the A port 32 are communicated.

Directions and references (e.g., up, down, left, right, etc.) in this utility model may be used only to aid in the description of features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A two-position three-way electromagnetic ball valve is characterized in that: comprises a valve body (3) and an electromagnetic assembly, a first valve seat (7) and a second valve seat (8) which are oppositely arranged are arranged in the valve body (3), a cavity is arranged between the first valve seat (7) and the second valve seat (8), a P port (31), an A port (32) and a T port (33) are arranged on the side wall of the valve body (3), the P port (31) corresponds to the first valve seat (7) in position, the A port (32) corresponds to the cavity in position, the T port (33) corresponds to the second valve seat (8) in position, a first channel (71) used for communicating the P port (31) and the cavity is arranged in the first valve seat (7), a second channel (81) used for communicating the T port (33) and the cavity is arranged in the second valve seat (8), a front cone valve core (91) used for opening or closing the first channel (71) is arranged in the first valve seat (7), the front cone valve core (91) is contacted with the first channel (71) through a conical surface to form annular seal, a second channel (92) is arranged in the second valve seat (7) and is used for forming a back cone valve core (81) which is contacted with the second conical valve core (81) through the second conical surface (92) to form a back conical valve core (81), the electromagnetic assembly drives the long valve core (9) to open the first channel (71) to close the second channel (81) or close the first channel (71) to open the second channel (81).

2. A two-position three-way electromagnetic ball valve as defined in claim 1, wherein: the electromagnetic assembly comprises an electromagnet (1) and a sealing cover (5), the sealing cover (5) is arranged at one end, close to a first valve seat (7), of the valve body (3), a spring seat (4) is arranged at one end, close to the sealing cover (5), of the front cone valve core (91), a spring (6) is arranged between the spring seat (4) and the sealing cover (5), the electromagnet (1) is arranged at one end, close to a second valve seat (8), of the valve body (3), and a push rod (2) used for driving a long valve core (9) to move towards the sealing cover (5) is arranged at the output end of the electromagnet (1).

3. A two-position three-way electromagnetic ball valve as in claim 2, wherein: the electromagnet (1) is in threaded connection with the valve body (3), and one end, close to the long valve core (9), of the push rod (2) is stuck with a spacer with adjustable thickness.

4. A two-position three-way electromagnetic ball valve as defined in claim 1, wherein: an O-shaped sealing ring matched with the front cone valve core (91) is arranged in the first valve seat (7), and an O-shaped sealing ring matched with the conveying rear cone valve core (92) is arranged in the second valve seat (8).

5. A two-position three-way electromagnetic ball valve as defined in claim 1, wherein: annular limiting blocks used for limiting the positions of the first valve seat (7) and the second valve seat (8) are arranged in the valve body (3).