CN211315203U - A high pressure ceramic valve - Google Patents

Abstract

The utility model discloses a high-pressure ceramic valve, including valve body, left flange and right flange, both ends are laminated respectively to the left and right sides of valve body has left flange and right flange, left side flange and right flange all pass through bolt and valve body threaded connection, drainage mechanism is installed to the bottom of valve body. This high pressure ceramic valve, through the sleeve, the water outlet channel, the cooperation of screw thread seat and spring etc. is used, can discharge the hydrops in the cavity that ceramic spheroid and ceramic slide formed, it is rotten to prevent the hydrops, through the sealing washer, the cooperation of slide and ceramic slide etc. is used, increase the leakproofness of whole mechanism, and adopt the fluororubber material to have corrosion resistance, increase whole mechanism's life, through the inserted bar, the cooperation of carousel and threaded rod etc. is used, save strength, improve people's user demand to high pressure ceramic valve greatly.

Description

A high pressure ceramic valve

technical field

The utility model relates to the technical field of ceramic valves, in particular to a high-pressure ceramic valve.

Background technique

In chemical, coal, petroleum and other harsh environments, metal valves can no longer meet the needs of harsh working conditions such as high wear and strong corrosion. It is mainly reflected in the situation that metal valves are easy to leak, have large torque, and the sealing surface is not resistant to corrosion. Traditional metal valves The valve is in urgent need of thorough innovation in terms of materials, design and processing technology. For example, the high temperature and high pressure ceramic valve with the application number of 201310416604.X, the high temperature and high pressure ceramic valve of the present invention has greatly improved high temperature resistance, corrosion resistance and high pressure resistance. The service life is prolonged under severe working conditions, but the existing ceramic valve is prone to accumulation of liquid in the cavity formed by the ceramic ball and the ceramic sliding seat during use. For a long time, the liquid is prone to deterioration due to the lack of flow, which leads to the practicability of the overall mechanism. In addition, the sealing ring is easily corroded, which affects the service life of the overall mechanism. The opening of the valve stem is not labor-saving enough, and it is difficult to meet people's needs for the use of ceramic valves.

Utility model content

The purpose of the present utility model is to provide a high-pressure ceramic valve to solve the problem of the existing ceramic valve proposed in the above-mentioned background technology, which is prone to accumulation of liquid in the cavity formed by the ceramic ball and the ceramic sliding seat during use, and the time is long because the liquid does not The flow is prone to deterioration, leading to the problem of decreasing the practicability of the overall mechanism.

In order to achieve the above purpose, the utility model provides the following technical scheme: a high-pressure ceramic valve, comprising a valve body, a left flange and a right flange, and the left and right ends of the valve body are respectively fitted with a left flange and a right flange , the left flange and the right flange are both threadedly connected with the valve body through bolts, and a drainage mechanism is installed at the bottom end of the valve body;

The drainage mechanism includes a sleeve, a pull rod, a threaded seat, a spring, a baffle and a stop;

The outer walls of the two sleeves are fixedly connected with the valve body, and a pull rod is sleeved inside the sleeve, and the pull rod and the sleeve are gap-fitted. The plate and the stopper are fixedly connected, the outer wall of the stopper is tightly fitted with the inner wall of the sleeve, the threaded seat is in interference fit with the pull rod, the spring is in clearance fit with the pull rod, and the upper and lower ends of the spring are respectively connected to the inner wall of the sleeve. The baffle is fitted with the sleeve, and the baffle is in an interference fit with the tie rod. This design facilitates the drainage of accumulated fluid.

Preferably, the sleeves are symmetrically distributed with respect to the valve body. Two sleeves can increase the drainage efficiency of the effusion.

Preferably, the inside of the valve body is provided with a ceramic sphere, the left and right ends of the ceramic sphere are tightly fitted with the ceramic sliding seat, and the outer walls of the two ceramic sliding seats are respectively in contact with the left flange and the right flange. Fixed connection, the upper and lower ends of the ceramic ball are tightly fitted with a ceramic sleeve, the outer wall of the ceramic sleeve is fixedly connected with the valve body, and the bottom end of the valve body is provided with a water outlet, and the water outlet is Both the left and right ends are communicated with the sleeve, and the inner wall of the bottom end of the water outlet is tightly fitted with a rubber plug. The use of ceramic materials can increase the application range of the overall mechanism.

Preferably, a rotating mechanism is installed on the top of the valve body;

The rotating mechanism includes a valve stem, a sealing ring, a base and a sliding seat;

The bottom end of the valve stem is fixedly connected with the ceramic ball, the outer wall of the valve stem is tightly fitted with the valve body and the ceramic sleeve through the sealing ring, the top of the valve stem is provided with a base, and the bottom end of the base is It is fixedly connected with the valve body, the inner sliding groove of the base is in clearance fit with the sliding block of the outer wall of the sliding seat, and the inner wall of the sliding seat is in interference fit with the valve stem. The valve stem can drive the ceramic ball to rotate.

Preferably, a plurality of the sealing rings are distributed equidistantly along the valve stem. Increase the seal to prevent liquid from flowing out.

Preferably, a power mechanism is fixed on the top of the valve stem;

The power mechanism includes a turntable, an insert rod, a card slot and a threaded rod;

The lower surface of the turntable is fixedly connected with the valve stem, the left and right ends of the turntable are sleeved with insertion rods, and the two insertion rods are gap-fitted with the turntable. A threaded rod is sleeved inside the clamping groove, the threaded rod is in clearance fit with the clamping groove, and the outer wall of the threaded rod is threadedly connected with the turntable. Turning the turntable saves effort.

Preferably, the insertion rod and the turntable form a sliding mechanism. Easy to adjust the plunger.

Preferably, the threaded rod is vertically connected to the clamping groove. Easy to fix the rod.

Compared with the prior art, the beneficial effect of the present invention is that the high-pressure ceramic valve has the following advantages compared with the traditional technology:

Through the cooperation of the sleeve, the water outlet, the threaded seat and the spring, the accumulated liquid in the cavity formed by the ceramic sphere and the ceramic sliding seat can be discharged to prevent the accumulated liquid from deteriorating, thereby improving the practicability of the overall mechanism.

Through the cooperative use of sealing ring, sliding seat and ceramic sliding seat, etc., the sealing performance of the whole mechanism is increased to prevent water leakage, and the fluorine rubber material is used for corrosion resistance, which increases the service life of the overall mechanism.

Through the use of insert rod, turntable and threaded rod, etc., it is convenient to open the valve when the water flow pressure is too large, save energy, and greatly improve people's demand for high-pressure ceramic valves.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the connection structure of the drainage mechanism and the water outlet pipe in Fig. 1;

FIG. 3 is a schematic diagram of the connection structure between the rotating mechanism and the valve body in FIG. 1;

FIG. 4 is a schematic structural diagram of the power mechanism in FIG. 1 .

In the picture: 1. Valve body, 2. Left flange, 3. Right flange, 4. Bolt, 5. Drainage mechanism, 501, Sleeve, 502, Tie rod, 503, Threaded seat, 504, Spring, 505, Block Plate, 506, Stopper, 6, Rotating Mechanism, 601, Valve Stem, 602, Sealing Ring, 603, Base, 604, Slider, 7, Power Mechanism, 701, Turntable, 702, Insert Rod, 703, Card Slot, 704, threaded rod, 8, ceramic ball, 9, ceramic slide, 10, ceramic sleeve, 11, water outlet, 12, rubber stopper.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a high-pressure ceramic valve, comprising a valve body 1, a left flange 2 and a right flange 3, the left and right ends of the valve body 1 are respectively fitted with a left flange Flange 2 and right flange 3, left flange 2 and right flange 3 connect the overall mechanism with the pipeline, left flange 2 and right flange 3 are both threadedly connected to valve body 1 through bolts 4, and bolts 4 connect the left flange 2 and the right flange 3 are fixed on the left and right ends of the valve body 1. The bottom end of the valve body 1 is installed with a drainage mechanism 5. The drainage mechanism 5 includes a sleeve 501, a pull rod 502, a threaded seat 503, a spring 504, and a baffle 505. and the block 506, the outer walls of the two sleeves 501 are fixedly connected with the valve body 1, the sleeve 501 is a hollow sleeve, the inner sleeve of the sleeve 501 is sleeved with a pull rod 502, the pull rod 502 and the sleeve 501 are clearance fit, the pull rod 502 can move up and down in the same set of 501 to drive the baffle 505 to compress the spring 504 in the sleeve 501, and the pull rod 502 runs through the threaded seat 503, the spring 504, the baffle 505 and the stopper 506 in order from bottom to top. The outer wall of the block 506 is in close contact with the inner wall of the sleeve 501, a fluorine rubber gasket is fixed inside the threaded seat 503, the threaded seat 503 and the pull rod 502 are in interference fit, and the threaded connection between the threaded seat 503 and the sleeve 501 plays a sealing role. The spring 504 is in clearance fit with the pull rod 502. The upper and lower ends of the spring 504 are respectively fitted with the baffle 505 and the sleeve 501. The baffle 505 and the pull rod 502 are in interference fit. The cartridge 501 can lead out the accumulated water in the valve body 1 .

The inside of the valve body 1 is provided with a ceramic ball 8, the left and right ends of the ceramic ball 8 are tightly fitted with the ceramic sliding seat 9, and the outer walls of the two ceramic sliding seats 9 are respectively fixed with the left flange 2 and the right flange 3. , the outer walls of the two ceramic slides 9 are closely attached to the left protective shell 2, the right protective shell 3 and the ceramic sleeve 10 through the fluorine rubber ring, and the upper and lower ends of the ceramic sphere 8 are closely attached to the ceramic sleeve 10. The outer wall of the cylinder 10 is fixedly connected with the valve body 1. The bottom end of the valve body 1 is provided with a water outlet 11. The water outlet 11 is used to discharge the accumulated water in the valve body 1. The left and right ends of the water outlet 11 are connected to the sleeve 501. The inner wall of the bottom end of the water outlet 11 is tightly fitted with a rubber stopper 12 .

A rotating mechanism 6 is installed on the top of the valve body 1. The rotating mechanism 6 includes a valve stem 601, a sealing ring 602, a base 603 and a sliding seat 604. The bottom end of the valve stem 601 is fixedly connected with the ceramic ball 8, and the outer wall of the valve stem 601 passes through The first sealing ring 602 is in close contact with the valve body 1 and the ceramic sleeve 10, the valve stem 601 drives the ceramic ball 8 to rotate, the top of the valve stem 601 is provided with a base 603, and the bottom end of the base 603 is fixedly connected with the valve body 1, The inner sliding groove of the base 603 is in clearance fit with the slider on the outer wall of the sliding seat 604. The sliding seat 604 rotates in the base 603 with the valve stem 601. The inner wall of the sliding seat 604 is in an interference fit with the valve stem 601. The rods 601 are equidistantly distributed, and the three sealing rings are arranged equidistantly on the outer wall of the valve rod 601 .

The top of the valve stem 601 is fixed with a power mechanism 7, which includes a turntable 701, an insertion rod 702, a slot 703 and a threaded rod 704. The lower surface of the turntable 701 is fixedly connected with the valve rod 601, and the turntable 701 drives the valve rod 601 Rotating, the left and right ends of the turntable 701 are sleeved with insertion rods 702, the two insertion rods 702 are matched with the turntable 701 in a clearance fit, the insertion rods 702 can move in the turntable 701, and the insertion rod 702 is internally processed with a card slot 703, the card slot 703 A threaded rod 704 is sleeved inside the threaded rod 704, the threaded rod 704 and the slot 703 are clearance fit, the outer wall of the threaded rod 704 is threadedly connected with the turntable 701, the insertion rod 702 and the turntable 701 form a sliding mechanism, and the insertion rod 702 moves to the outside in the turntable 701 , it is convenient to rotate the turntable 701, and the threaded rod 704 is vertically connected with the card slot 703 to ensure that the position of the insertion rod 702 will not change.

In this example, when the high-pressure ceramic valve is used, the rotating turntable 701 drives the valve stem 601 to rotate in the valve body 1 and the ceramic sleeve 10 , and at the same time the valve stem 601 drives the ceramic ball 8 between the two ceramic sliding seats 9 Rotate, and then realize the opening and closing of the ceramic valve. When water accumulates in the cavity between the bottom of the ceramic ball 8 and the two ceramic sliding seats 9, firstly, the pull rod 502 is rotated to drive the threaded seat 503 to rotate on the outer wall of the sleeve 501. After the threaded seat 503 is separated from the sleeve 501, the pull rod 502 is pulled down to drive the baffle 505 to compress the spring 504 in the sleeve 501, and at the same time the pull rod 502 drives the baffle 506 to move downward in the sleeve 501. When the stopper 506 When it is located below the water outlet 11, when the incoming water enters the water outlet 11 through the sleeve 501, open the rubber stopper 12 to discharge the accumulated water. When the water flow pressure in the pipe is too large, the ceramic valve is not easy to open, and the turntable 701 rotates. The threaded rod 704 separates the threaded rod 704 from the slot 703, pulls the plunger 702 to the outside of the turntable 701, reinserts the threaded rod 704 into the slot 703 to fix the position of the plunger 702, and then rotates the turntable 701 to remove the ceramic ball valve 8 Open.

In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inside", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention.

In the present utility model, unless otherwise expressly specified and limited, terms such as "installation", "arrangement", "connection", "fixation", "swivel connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements Unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a high-pressure ceramic valve, includes valve body (1), left flange (2) and right flange (3) have been laminated respectively to both ends about valve body (1), left side flange (2) and right flange (3) all through bolt (4) and valve body (1) threaded connection, its characterized in that: a drainage mechanism (5) is arranged at the bottom end of the valve body (1);

the drainage mechanism (5) comprises a sleeve (501), a pull rod (502), a threaded seat (503), a spring (504), a baffle (505) and a stop block (506);

two the outer wall of sleeve (501) all with valve body (1) looks rigid coupling, pull rod (502) have been cup jointed to the inside of sleeve (501), pull rod (502) and sleeve (501) clearance fit, supreme screw thread seat (503), spring (504), baffle (505) and dog (506) looks rigid coupling of running through is in proper order down followed in pull rod (502), the outer wall of dog (506) closely laminates with the inner wall of sleeve (501), screw thread seat (503) and pull rod (502) interference fit, spring (504) and pull rod (502) clearance fit, the upper and lower both ends of spring (504) laminate with baffle (505) and sleeve (501) respectively mutually, baffle (505) and pull rod (502) interference fit.

2. A high pressure ceramic valve according to claim 1, wherein: the sleeves (501) are symmetrically distributed about the valve body (1).

3. A high pressure ceramic valve according to claim 1, wherein: the inside of valve body (1) is equipped with ceramic spheroid (8), both ends all laminate closely with ceramic slide (9) about ceramic spheroid (8), two the outer wall of ceramic slide (9) respectively with left flange (2) and right flange (3) looks rigid coupling, the upper and lower both ends of ceramic spheroid (8) are laminated closely and are had ceramic sleeve (10), the outer wall and valve body (1) looks rigid coupling of ceramic sleeve (10), water outlet channel (11) have been seted up to the bottom of valve body (1), both ends all are linked together with sleeve (501) about water outlet channel (11), the bottom inner wall of water outlet channel (11) is laminated closely and is had rubber buffer (12).

4. A high pressure ceramic valve according to claim 1, wherein: the top end of the valve body (1) is provided with a rotating mechanism (6);

the rotating mechanism (6) comprises a valve rod (601), a sealing ring (602), a base (603) and a sliding seat (604);

the bottom and the ceramic spheroid (8) looks rigid coupling of valve rod (601), the outer wall of valve rod (601) passes through sealing washer (602) and valve body (1) and ceramic sleeve (10) and closely laminates, the top of valve rod (601) is equipped with base (603), the bottom and valve body (1) looks rigid coupling of base (603), the inside spout of base (603) and the outer wall slider clearance fit of slide (604), the inner wall and the valve rod (601) interference fit of slide (604).

5. The high pressure ceramic valve of claim 4, wherein: a plurality of said sealing rings (602) are equally spaced along the valve stem (601).

6. The high pressure ceramic valve of claim 4, wherein: a power mechanism (7) is fixedly connected to the top end of the valve rod (601);

the power mechanism (7) comprises a rotary disc (701), an insertion rod (702), a clamping groove (703) and a threaded rod (704);

the lower surface and the valve rod (601) looks rigid coupling of carousel (701), inserted bar (702), two have all been cup jointed at both ends about carousel (701) inserted bar (702) and carousel (701) clearance fit, the inside processing of inserted bar (702) has draw-in groove (703), threaded rod (704) have been cup jointed to the inside of draw-in groove (703), threaded rod (704) and draw-in groove (703) clearance fit, the outer wall and carousel (701) threaded connection of threaded rod (704).

7. The high pressure ceramic valve of claim 6, wherein: the inserted link (702) and the rotary disc (701) form a sliding mechanism.

8. The high pressure ceramic valve of claim 6, wherein: the threaded rod (704) is vertically connected with the clamping groove (703).

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