CN112066037A - Partition plate type four-way valve and pneumatic conveying system adopting same - Google Patents

Partition plate type four-way valve and pneumatic conveying system adopting same Download PDF

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Publication number
CN112066037A
CN112066037A CN202011022692.1A CN202011022692A CN112066037A CN 112066037 A CN112066037 A CN 112066037A CN 202011022692 A CN202011022692 A CN 202011022692A CN 112066037 A CN112066037 A CN 112066037A
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CN
China
Prior art keywords
valve
valve body
cover plate
communicated
valve core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011022692.1A
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Chinese (zh)
Inventor
陈立文
赵自立
刘凯
王丹
张超硕
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SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING CO LTD
Original Assignee
SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING CO LTD
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Priority to CN202011022692.1A priority Critical patent/CN112066037A/en
Publication of CN112066037A publication Critical patent/CN112066037A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
    • F16K11/0833—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/46—Gates or sluices, e.g. rotary wheels
    • B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
    • B65G53/4625—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow
    • B65G53/4658—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow the element having passages simultaneously connectable to both inlet and outlet ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention relates to a partition plate type four-way valve, which belongs to the field of valves and is characterized by comprising a valve body, wherein the outer end surface of the valve body is sequentially provided with A, B, C, D four openings along the circumferential direction; the valve core is arranged in the valve body, the outer edge of the valve core is matched with the inner cavity of the valve body, the valve core comprises a partition plate, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively connected to the upper end and the lower end of the partition plate, and the outer edge of the partition plate is respectively and smoothly connected with the upper cover plate and the lower cover plate; the valve cover is arranged at the top of the valve body and is fixedly connected with the valve body; the rotating shaft is fixedly arranged at the top of the upper cover plate, and the top end of the rotating shaft extends upwards to the upper side of the valve cover; the spring is sleeved outside the rotating shaft; the valve core has at least two effective working states through rotation: when the valve core rotates to the first state, A, B ports are communicated, C, D ports are communicated; when the valve core rotates to the second state, A, D ports are communicated, B, C ports are communicated; the four-way valve can effectively reduce the volume and the weight of the four-way valve under the same caliber, and does not need additional sealing.

Description

Partition plate type four-way valve and pneumatic conveying system adopting same
Technical Field
The invention relates to the field of valves, in particular to a partition plate type four-way valve and a pneumatic transmission system adopting the same.
Background
In a pneumatic transmission system, a four-way valve is sometimes required to be connected between a fan and a storage bin, and the four-way valve can change the pneumatic transmission state to ensure that the fan vacuumizes or pressurizes the storage bin. The four-way valve used in the existing pneumatic conveying system is of a ball valve structure and consists of a valve body, a valve cover, a ball body, a sealing valve seat, a valve rod and other accessory devices, and the ball body and the sealing valve seat are extruded and sealed. However, the four-way ball valve with the structure has large ball volume and overall size, and needs a large space for installation and use; the sealing mode is complex, the cost is high, and the pneumatic sealing device is not suitable for a pneumatic conveying system.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a partition plate type four-way valve with simple structure and smaller volume and a pneumatic transmission system adopting the valve.
The technical scheme for solving the technical problems is as follows: a partition type four-way valve is characterized by comprising
The outer end surface of the valve body is sequentially provided with four openings, namely an opening A, an opening B, an opening C and an opening D, along the circumferential direction of the valve body, and a conical cavity is arranged in the valve body;
the valve core is arranged in the valve body, the outer edge of the valve core is matched with the inner cavity of the valve body, the valve core comprises a partition plate, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively connected to the upper end and the lower end of the partition plate, and the outer edge of the partition plate is respectively and smoothly connected with the upper cover plate and the lower cover plate;
the valve cover is arranged at the top of the valve body and is fixedly connected with the valve body;
the rotating shaft is fixedly arranged at the top of the upper cover plate, the top end of the rotating shaft extends upwards to the upper side of the valve cover and is used for applying torque to the rotating shaft to enable the valve core to rotate around the axis of the valve core in the valve body, and the rotating track of the rotating shaft is in a cone structure with a large top and a small bottom;
the spring is sleeved outside the rotating shaft and is arranged between the valve core and the valve cover in a compressed manner;
the valve core has at least two effective working states through rotation: when the valve core rotates to the first state, A, B ports are communicated, C, D ports are communicated; when the valve core rotates to the second state, A, D ports are communicated, B, C ports are communicated.
Further, the four-way valve also comprises
The top ball is arranged at the bottom end of the valve core;
the jackscrew is arranged at the bottom end of the jackball and connected with the valve body, the top end of the jackscrew is in contact connection with the jackball, the jackscrew is screwed to jack the jackball, upward pressure is applied to the valve core, pressing force of the valve core and the valve body is adjusted, and the problem that the valve core cannot rotate smoothly due to overlarge pressing force is avoided.
Furthermore, a ball socket matched with the jacking ball is arranged at the bottom end of the valve core, and the jacking ball is embedded in the ball socket.
Furthermore, a baffle plate is arranged between adjacent openings in the valve body, a smooth metal surface which is communicated up and down is formed at the baffle plate, an upper ring surface which is connected with the upper end of the baffle plate and is complete in circumference is arranged at the upper part in the valve body, and a lower ring surface which is connected with the lower end of the baffle plate and is complete in circumference is arranged at the lower part in the valve body; a conical cavity structure with a large upper part and a small lower part is formed in the valve body and is formed by enclosing a baffle, an upper ring surface and a lower ring surface.
Furthermore, the valve core forms a smooth metal surface which is communicated up and down on two sides of the partition plate, the upper cover plate and the lower cover plate are both disc-shaped, and a complete ring surface is formed on the periphery of the upper cover plate and the lower cover plate.
When the valve core rotates around the axis of the valve body in the valve body through the matching of the valve core and the valve body structure, conical surface sealing is formed between the outer edge of the valve core and the baffle, the upper ring surface and the lower ring surface of the inner cavity of the valve, and other sealing structures are not needed between the valve core and the valve body.
Further, the partition plate is arranged in a flat plate type structure; the flat plate structure of the partition plate and the matching of the valve core and the valve body ensure that the valve core rotates to two working positions, thereby not only ensuring the sealing effect, but also realizing the communication of two openings and reducing the whole volume under the same caliber.
Furthermore, the upper ring surface is tightly attached to the upper cover plate, the lower ring surface is tightly attached to the lower cover plate, and the baffle plate is tightly attached to the outer edge of the rotating track of the partition plate.
The valve cover is fixed on the valve body through a bolt, the spring is compressed, downward pressing force is applied to the valve core through the spring, the valve core is forced to be pressed with the valve body, and the ring surface of the circumference of the upper cover plate and the lower cover plate on the valve core is always tightly attached to the upper ring surface and the lower ring surface on the valve body.
Further, the valve body sets up to square, metal material, opens the A, B, C, D four mouths that have the equipartition on the square four sides of valve body, the baffle sets up the inboard at four edges of square valve body.
When the valve core rotates to enable the partition plate to be parallel to the two baffles at any diagonal angle, the through metal surfaces at the two sides of the partition plate are tightly attached to the through metal surfaces of the two baffles to form a sealing effect, so that the A, B, C, D four openings on the valve body are communicated in pairs.
Further, the four-way valve also comprises
The sealing gasket is arranged between the valve body and the valve cover and plays a role in dust prevention and water prevention;
the dustproof seal is arranged at the core part of the valve cover and sleeved outside the rotating shaft;
and the check ring is arranged on the upper side of the dust seal and sleeved outside the rotating shaft to play a limiting role.
The pneumatic conveying system adopting the clapboard type four-way valve comprises a fan air suction end, a fan exhaust end and a storage tank, and is characterized in that an opening A of the valve body is communicated with the atmosphere, an opening B is communicated with the fan exhaust end, an opening C is communicated with the storage tank, and an opening D is communicated with the fan air suction end.
The invention has the beneficial effects that: the valve core structure consisting of the partition plate, the upper cover plate and the lower cover plate and the valve body internal structure matched with the valve core structure are adopted, and partition plate type metal surface sealing is adopted, so that the volume and the weight of the four-way valve are effectively reduced under the same caliber, and the four-way valve is more flexible to install and use; meanwhile, additional sealing parts are not needed, so that the cost is effectively reduced; is particularly suitable for pneumatic conveying systems.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic perspective view of the valve cartridge of the present invention;
FIG. 4 is a schematic perspective view of the valve body of the present invention;
FIG. 5 is a schematic view of the four-way valve of the present invention in an operating state in which it is used in a pneumatic conveying system;
FIG. 6 is a schematic view of another working state of the four-way valve of the present invention applied to a pneumatic conveying system;
in the figure: 1. the valve comprises a valve body, a port 101, a port A, a port 102, a port B, a port 103, a port C, a port 104, a port D, a baffle plate 11, a baffle plate 12, an upper ring surface 13, a lower ring surface 2, a valve core 21, a partition plate 22, an upper cover plate 23, a lower cover plate 24, a rotating shaft 24, a ball socket 25, a valve cover 3, a spring 4, a dust seal 5, a check ring 6, a bolt 7, a top ball 8, a top screw 9, a sealing gasket 10, a fan 111, a storage tank 112.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
In the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, rotatably connected, slidably connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, a barrier four-way valve of the present embodiment includes:
the valve comprises a valve body 1, wherein four openings, namely an opening A101, an opening B102, an opening C103 and an opening D104, are sequentially formed in the outer end surface of the valve body 1 along the circumferential direction of the valve body, the interior of the valve body 1 is of a conical cavity structure with a large upper part and a small lower part, a closed thin-wall cylindrical shell is arranged at the bottom of the valve body 1, and a threaded hole is formed in the center of the shell; the top of the valve body 1 is provided with a platform, threaded mounting holes are uniformly distributed in the platform, and an inner spigot is arranged in the platform;
the valve core 2 is arranged in the valve body 1, the outer edge of the valve core 2 is matched with the inner cavity of the valve body 1, the valve core 2 comprises a partition plate 21 and an upper cover plate 22 and a lower cover plate 23 which are respectively connected to the upper end and the lower end of the partition plate 21, and the outer edge of the partition plate 21 is respectively and smoothly connected with the upper cover plate 22 and the lower cover plate 23; the partition plate 21 is of a flat plate type structure, the longitudinal section of the partition plate 21 is trapezoidal in combination with the matching of the shape of the inner cavity of the valve body 1 and the valve core 2, the valve core 2 forms smooth metal surfaces which are communicated up and down on two sides of the partition plate 21, the upper cover plate 22 and the lower cover plate 23 are both disc-shaped, and complete ring surfaces are formed on the peripheries of the upper cover plate 22 and the lower cover plate 23;
the valve cover 3 is arranged at the top of the valve body 1 and is fixedly connected with the valve body 1; the bottom of the valve cover 3 is provided with an outer spigot, and the outer spigot is matched and positioned with the inner spigot at the top end of the valve body 1; mounting holes are uniformly distributed on the periphery of the valve cover 3, and the valve cover is fixedly connected with the valve body 1 through bolts 7 penetrating through the mounting holes and threaded mounting holes of a platform at the top of the valve body 1;
the rotating shaft 24 is fixedly arranged at the top of the upper cover plate 22, the top end of the rotating shaft extends upwards to the upper side of the valve cover 3, and the rotating shaft 24 is used for applying torque to enable the valve core 2 to rotate around the axis of the valve core in the valve body 1;
the spring 4 is sleeved outside the rotating shaft 24, and the spring 4 is arranged between the valve core 2 and the valve cover 3 in a compressed state;
the valve core 2 has at least two effective working states through rotation: when the valve core 2 rotates to the state I, the A, B ports are communicated, and the C, D ports are communicated; when the valve core 2 rotates to the second state, A, D ports are communicated, B, C ports are communicated.
In the embodiment, a baffle plate 11 is arranged between adjacent openings in the valve body 1, a smooth metal surface which is through up and down is formed at the baffle plate 11, an upper ring surface 12 which is complete in circumference and connected with the upper end of the baffle plate 11 is arranged at the upper part in the valve body 1, and a lower ring surface 13 which is complete in circumference and connected with the lower end of the baffle plate 11 is arranged at the lower part in the valve body 1; the upper ring surface 12 is tightly attached to the upper cover plate 22, the lower ring surface 13 is tightly attached to the lower cover plate 23, the baffle plate 11 is tightly attached to the outer edge of the rotating track of the partition plate 21, and a conical cavity structure with a large upper part and a small lower part, which is formed by enclosing the baffle plate 11, the upper ring surface 12 and the lower ring surface 13, is formed in the valve body 1; when the valve core 2 rotates in the valve body 1, the rotating tracks of the clapboard 21, the upper cover plate 22 and the lower cover plate 23 are in a conical structure and form conical sealing with a smooth metal surface in the valve body 1.
In addition, this embodiment still is equipped with:
the top ball 6 is arranged at the bottom end of the valve core 2, and the bottom end of the valve core 2 is provided with a ball socket 25 matched with the top ball 6;
the top end of the jackscrew 9 is in contact connection with the top ball 6 and aims to provide a certain elastic space for the valve core 2;
the sealing gasket 10 is arranged between the valve body 1 and the valve cover 3;
the dust seal 5 is arranged at the core part of the valve cover 3 and sleeved outside the rotating shaft 24;
the retainer ring 6 is arranged on the upper side of the dust seal 5 and sleeved outside the rotating shaft 24;
more specifically, the valve body 1 of this embodiment is square, metal material, and the square four sides of valve body 1 are opened has A, B, C, D four mouths of equipartition, and four square edges inboard is equipped with the equipartition baffle 11 everywhere. A conical blind hole with a large top and a small bottom is processed in the valve body 1, a smooth metal surface which is communicated up and down is formed at the baffle 11, an upper ring surface 12 with a complete periphery is formed at the upper side of the valve body 1, and a lower ring surface 13 with a complete periphery is formed at the lower side of the valve body 1. The valve core 2 is made of metal, a plane-type clapboard 21 is arranged in the middle, an upper cover plate 22 is arranged at the upper part of the clapboard 21, a lower cover plate 23 is arranged at the lower part of the clapboard 21, and the upper cover plate 22 and the lower cover plate 23 are both disc-shaped. The outer side of the valve core 2 is processed into a cone with a large upper part and a small lower part, smooth metal surfaces which are communicated up and down are formed on two sides of the clapboard 21, and complete ring surfaces are formed on the circumferences of the upper cover plate 22 and the lower cover plate 23. The upper side of the valve core 2 is also provided with a rotating shaft 24, and the valve core 2 can rotate around the valve body 1 by applying torque to the rotating shaft 24. The valve core 2 is arranged in the valve core 1, and the spring 4 is arranged outside the rotating shaft 24 and below the valve cover 3. The valve cover 3 is fixed on the valve body 1 through a bolt 7, the spring 4 is compressed, downward pressing force is applied to the valve core 2 through the spring 4, the valve core 2 is forced to be pressed with the valve body 1, and the upper ring surface and the lower ring surface of the valve core 2 are always tightly attached to the upper ring surface 12 and the lower ring surface 13 of the valve body 1. When the valve core 2 rotates to make the partition plate 21 parallel to two baffles 11 at any diagonal, the through metal surfaces at two sides of the partition plate 21 are tightly attached to the through metal surfaces of the two baffles 11 to form a sealing effect, so that the A, B, C, D on the valve body 1 are communicated in pairs. The lower part of the valve core 2 is also provided with a ball socket 25, a steel ball 8 is embedded in the ball socket 25, a jackscrew 9 is arranged on the lower side of the valve body 1, the jackscrew 9 is screwed to jack the steel ball 8, upward pressure is applied to the valve core 2, the pressing force between the valve core 2 and the valve body 1 is adjusted, and the problem that the valve core 2 rotates unsmoothly due to overlarge pressing force is avoided. The dustproof seal 5 is arranged on the inner side of the valve cover 3 and the outer side of the rotating shaft 24, and the gasket 10 is arranged between the valve body 1 and the valve cover 3 and plays a role in dust prevention and water prevention. The retaining ring 6 is arranged on the inner side of the valve cover 3 and the upper side of the dust seal 5 to play a role in limiting.
The pneumatic transmission system using the barrier four-way valve of the present embodiment includes a blower 111 and a storage tank 112, as shown in fig. 5 and 6, wherein the port a 101 of the valve body 1 communicates with the atmosphere, the port B102 communicates with the exhaust end of the blower, the port C103 communicates with the storage tank 112, and the port D104 communicates with the suction end of the blower. The specific reversing effect is as follows: when the valve core 2 rotates to the first position, as shown in fig. 5, the A, B port is communicated with the C, D port, the fan sucks air from the storage tank, exhausts the air to the atmosphere, and the storage tank is vacuumized; when the valve core 2 rotates 90 degrees to the second position, as shown in fig. 6, the A, D port is communicated with the B, C port, the fan sucks air from the atmosphere, exhausts the air to the storage tank, and the storage tank is pressurized.
The beneficial effects obtained by the invention are as follows: the pneumatic conveying system can be ensured to have no leakage under the pressure of-100 KPa to 400 KPa; the volume and the weight are only 1/2 of the traditional four-way ball valve with the same caliber; the cost is reduced by more than 60 percent compared with the traditional four-way ball valve.
It should be noted that the four-way valve of the present invention is suitable for, but not limited to, pneumatic transmission systems, and on the basis of the present invention, modifications and replacements of technical features without any creative effort are within the protection scope of the present invention.

Claims (10)

1.A partition type four-way valve is characterized by comprising
The valve body (1) is provided with four openings, namely an opening A (101), an opening B (102), an opening C (103) and an opening D (104), along the circumferential direction of the valve body, and a conical cavity is arranged in the valve body;
the valve core (2) is arranged in the valve body (1), the outer edge of the valve core (2) is matched with the inner cavity of the valve body, the valve core (2) comprises a partition plate (21) and an upper cover plate (22) and a lower cover plate (23) which are respectively connected to the upper end and the lower end of the partition plate (21), and the outer edge of the partition plate (21) is respectively and smoothly connected with the upper cover plate (22) and the lower cover plate (23);
the valve cover (3) is arranged at the top of the valve body (1) and is fixedly connected with the valve body (1);
the rotating shaft (24) is fixedly arranged at the top of the upper cover plate (22), the top end of the rotating shaft upwards extends to the upper side of the valve cover (3), and the rotating shaft (24) is used for applying torque to enable the valve core (2) to rotate around the axis of the valve core in the valve body (1);
the spring (4) is sleeved outside the rotating shaft (24), and the spring (4) is arranged between the valve core (2) and the valve cover (3) in a compressed state;
the valve core (2) has at least two effective working states through rotation: when the valve core (2) rotates to the first state, the A, B ports are communicated, and the C, D ports are communicated; when the valve core (2) rotates to the second state, the A, D port is communicated, and the B, C port is communicated.
2. The barrier four-way valve of claim 1, further comprising
The top ball (6) is arranged at the bottom end of the valve core (2);
the jackscrew (9) is arranged at the bottom end of the jackball (6) and is connected with the valve body (1), and the top end of the jackscrew (9) is connected with the jackball (6) in a contact manner.
3. A four-way valve with partition according to claim 2, characterized in that the bottom end of the valve core (2) is provided with a ball socket (25) adapted to the top ball (6).
4. A four-way valve with a partition according to claim 1, wherein a baffle (11) is provided between adjacent openings in the valve body (1), a smooth metal surface is formed at the baffle (11) and is communicated with the upper part and the lower part, an upper ring surface (12) with a complete circumference connected with the upper end of the baffle (11) is provided at the upper part of the valve body (1), and a lower ring surface (13) with a complete circumference connected with the lower end of the baffle (11) is provided at the lower part of the valve body (1); a conical cavity structure with a large top and a small bottom is formed in the valve body (1) and is enclosed by a baffle plate (11), an upper ring surface (12) and a lower ring surface (13).
5. A four-way valve with partition according to claim 4, wherein the valve body (1) is made of square metal, four openings A, B, C, D are evenly distributed on four sides of the square of the valve body (1), and the baffle (11) is arranged on the inner side of four edges of the square valve body (1).
6. A four-way valve with partition according to claim 4, wherein the upper ring surface (12) is tightly attached to the upper cover plate (22), the lower ring surface (13) is tightly attached to the lower cover plate (23), and the baffle (11) is tightly attached to the outer edge of the rotation track of the partition (21).
7. The four-way valve with partition board as claimed in claim 1, wherein the valve core (2) forms a smooth metal surface which is communicated up and down on two sides of the partition board (21), the upper cover plate (22) and the lower cover plate (23) are both disc-shaped, and the circumferences of the upper cover plate (22) and the lower cover plate (23) form a complete ring surface.
8. Four-way valve according to claim 7, characterised in that the partition (21) is provided as a flat plate construction.
9. The barrier four-way valve of claim 1, further comprising
The sealing gasket (10) is arranged between the valve body (1) and the valve cover (3);
the dust seal (5) is arranged at the core part of the valve cover (3) and sleeved outside the rotating shaft (24);
and the retainer ring (6) is arranged on the upper side of the dust seal (5) and sleeved outside the rotating shaft (24).
10. A pneumatic conveying system using a barrier four-way valve according to any one of claims 1 to 9, comprising a blower suction port, a blower discharge port and a storage tank, wherein port a (101) of the valve body (1) is communicated with the atmosphere, port B (102) is communicated with the blower discharge port, port C (103) is communicated with the storage tank, and port D (104) is communicated with the blower suction port.
CN202011022692.1A 2020-09-25 2020-09-25 Partition plate type four-way valve and pneumatic conveying system adopting same Pending CN112066037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011022692.1A CN112066037A (en) 2020-09-25 2020-09-25 Partition plate type four-way valve and pneumatic conveying system adopting same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011022692.1A CN112066037A (en) 2020-09-25 2020-09-25 Partition plate type four-way valve and pneumatic conveying system adopting same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811107A (en) * 2020-12-21 2022-07-29 合肥通用机械研究院有限公司 Full-flow three-way regulating valve with double-regulating characteristic

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811107A (en) * 2020-12-21 2022-07-29 合肥通用机械研究院有限公司 Full-flow three-way regulating valve with double-regulating characteristic
CN114811107B (en) * 2020-12-21 2023-12-22 合肥通用机械研究院有限公司 Full-flow three-way regulating valve with double regulating characteristics

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