CN216813118U - Integrally-mounted low-temperature valve - Google Patents

Abstract

The application discloses an integrally-mounted low-temperature valve, which comprises a valve body, a valve body and a valve body, wherein the valve body is provided with a flow passage; the valve ball is arranged in the valve body and is driven by the valve rod to open and close the flow passage; a valve cover; a low-temperature lengthening cover; the filler is arranged at the top of the low-temperature lengthened cover through the filler gland, and one end of the valve rod, which is far away from the valve ball, movably penetrates through the valve cover, the low-temperature lengthened cover, the filler and the filler gland and then extends out of the low-temperature lengthened cover; the check ring is arranged on the outer wall of the middle part of the low-temperature lengthened cover, and in daily use, the distance between the filler and the flow channel is increased through the arrangement of the low-temperature lengthened cover, so that the influence of low-temperature fluid on the filler is reduced, frost is not easy to generate in the low-temperature lengthened cover near the filler, the filler is not easy to frost crack, and the sealing property of the filler and the service life of the valve body are improved; in the preferred embodiment, through the setting of retaining ring, avoid the rainwater directly to drench the junction of low temperature extension lid and valve gap, lead to the phenomenon that the junction between low temperature extension lid and the valve gap freezes to split to take place.

Description

Integral upper-mounted low-temperature valve

Technical Field

The invention relates to an integrally-mounted low-temperature valve.

Background

The valves are used for opening and closing pipelines, controlling flow direction, adjusting and controlling parameters of conveying media, and can be divided into shut-off valves, check valves, regulating valves and the like according to functions of the valves, wherein the valves are control parts in a fluid conveying system and have functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure, and the valves used for the fluid control system range from the simplest stop valves to various valves used in extremely complex automatic control systems, and the variety and the specification of the valves are quite various. When the low-temperature fluid flows through the valve, heat in the valve body is absorbed, frost on the surface of the valve body is frozen, the filler is easily frozen to affect the sealing performance between the valve rod and the valve body, so that the low-temperature fluid leaks, the fluid in the pipeline is usually discharged after the low-temperature fluid is used, some counter-flow or residual fluid is gathered in an inner cavity of the valve after the valve is closed, and when the temperature is too low, the fluid is easily frozen in the valve, so that the valve cannot be normally opened, and therefore improvement is needed.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art.

The application provides a whole facial make-up formula cryogenic valve includes:

a valve body with a flow passage;

the valve ball is arranged in the valve body and is driven by the valve rod to open and close the flow passage;

the valve cover is fixedly arranged at the top of the valve body through a fastener;

the low-temperature lengthening cover is fixedly arranged on the valve cover through a fastener;

the packing is arranged on the top of the low-temperature lengthened cover through the packing gland;

wherein, the end of the valve rod far away from the valve ball movably penetrates through the valve cover, the low-temperature lengthening cover, the filler and the filler gland cover and then extends out of the low-temperature lengthening cover.

Further comprising:

and the check ring is arranged on the outer wall of the middle part of the low-temperature lengthened cover.

Further comprising:

and the reinforcing plates are arranged between the bottom surface of the check ring and the outer wall of the low-temperature lengthened cover.

Further comprising:

the plurality of drainage units are respectively arranged on two sides of the valve body and communicated with the flow channel;

the drain unit comprises a drain hole and an opening and closing unit for opening and closing the drain hole.

The opening and closing unit includes:

the rotary groove is arranged at the bottom of the discharge hole;

the mounting groove is arranged at the bottom of the rotary groove;

the rotating block is rotatably arranged in the mounting groove;

a fixed gland installed in the installation groove by a fastener;

the inner hexagonal hole is arranged at the bottom end of the rotating block;

the communicating groove is vertically arranged on one side of the rotating groove;

a pair of communicating flow passages which are L-shaped and arranged in the rotating block;

wherein, the same end of a pair of intercommunication runners all communicates with rotatory piece homonymy lateral wall, and the other end communicates with rotatory piece top and interior hexagonal hole respectively.

The invention has the following main beneficial effects:

the distance between the filler and the flow channel is increased through the arrangement of the low-temperature lengthening cover, so that the influence of low-temperature fluid on the filler is reduced, the low-temperature lengthening cover near the filler is not easy to frost, the filler is not easy to frost crack, the sealing performance of the filler is improved, and the service life of the valve body is prolonged;

through the discharge orifice, the swivelling chute, the mounting groove, rotatory piece, fixed gland, interior hexagonal hole, the setting of intercommunication groove and a pair of intercommunication runner, when needing to discharge the surplus fluid in the runner, drive rotatory piece through interior hexagonal bolt and rotate in the swivelling chute until the one end that interior hexagonal hole and rotatory piece top surface were kept away from to a pair of intercommunication runner all corresponds with the intercommunication groove, fluid in the runner flows into the intercommunication groove through upside intercommunication runner, flow into downside intercommunication runner from the intercommunication groove again, finally discharge through interior hexagonal hole, treat the fluid in the runner and discharge light, the cooperation through interior hexagonal bolt and interior hexagonal hole orders about rotatory piece and rotates in the swivelling chute until the one end that interior hexagonal hole and rotatory piece top surface were kept away from to a pair of intercommunication runner all staggers with the intercommunication groove, through such mode, avoid the fluid to assemble in the runner of valve body, improve the frost resistance of valve body.

Drawings

FIG. 1 is a schematic structural view of a particular embodiment of a unitary valve according to an embodiment of the present disclosure;

fig. 2 is a schematic view of a part a of fig. 1.

Reference numerals

1-valve body, 2-flow channel, 3-valve ball, 4-valve rod, 5-valve cover, 6-low temperature lengthening cover, 7-packing, 8-check ring, 9-reinforcing plate, 10-discharge hole, 11-rotary groove, 12-mounting groove, 13-rotary block, 14-fixed gland, 15-hexagon socket, 16-connecting groove and 17-communicating flow channel.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

As shown in fig. 1-2, the present application provides an integrated upper-mounted cryogenic valve, which includes a valve body 1 with a flow passage 2; the valve ball 3 is arranged in the valve body 1 and is driven by the valve rod 4 to open and close the flow passage 2; the valve cover 5 is fixedly arranged on the top of the valve body 1 through a fastener; the low-temperature lengthening cover 6 is fixedly arranged on the valve cover 5 through a fastener; and the packing 7 is arranged at the top of the low-temperature lengthening cover 6 through a packing gland, and one end of the valve rod 4, which is far away from the valve ball 3, movably penetrates through the valve cover 5, the low-temperature lengthening cover 6, the packing 7 and the packing gland and then extends out of the low-temperature lengthening cover 6.

Furthermore, the device also comprises a check ring 8 which is arranged on the outer wall of the middle part of the low-temperature lengthening cover 6.

Furthermore, the device also comprises a plurality of reinforcing plates 9 which are arranged between the bottom surface of the retainer ring 8 and the outer wall of the low-temperature lengthening cover 6.

Further, still include a plurality of earial drainage units, it installs respectively in valve body 1 both sides and runner 2 intercommunication, earial drainage unit includes discharge hole 10 and is used for opening and close the unit that opens and close discharge hole 10.

Further, the opening and closing unit comprises a rotary groove 11 which is arranged at the bottom of the drainage hole 10; a mounting groove 12 provided at the bottom of the rotary groove 11; a rotating block 13 rotatably installed in the installation groove 12; a stationary gland 14 mounted in the mounting groove 12 by fasteners; a hexagon socket 15 provided at the bottom end of the rotary block 13; a communication groove 16 vertically provided on one side of the rotary groove 11; and the pair of communicating flow channels 17 are L-shaped and are arranged in the rotating block 13, the same ends of the pair of communicating flow channels 17 are communicated with the rotating block 13 and the side wall, and the other ends of the pair of communicating flow channels are respectively communicated with the top end of the rotating block 13 and the hexagon socket 15.

In the basic embodiment of the application, by adopting the technical scheme, the distance between the filler 7 and the flow channel 2 is increased by arranging the low-temperature lengthening cover 6, so that the influence of low-temperature fluid on the filler 7 is reduced, frost is not easy to generate in the low-temperature lengthening cover 6 near the filler 7, the filler 7 is not easy to be frost-cracked, and the sealing performance of the filler 7 and the service life of the valve body 1 are improved;

in the preferred embodiment, the arrangement of the check ring 8 avoids the phenomenon that rainwater directly flows to the joint of the low-temperature lengthened cover 6 and the valve cover 5, so that the joint between the low-temperature lengthened cover 6 and the valve cover 5 is frozen and cracked;

in the preferred embodiment, through the arrangement of the plurality of reinforcing plates 9, the structural strength of the check ring 8 is improved, so that the check ring is not easy to deform, the contact area between the check ring 8 and the air is increased, the heat in the air can be quickly transferred to the low-temperature lengthening cover 6, the influence of the low-temperature fluid on the filler 7 is further reduced, and the probability of frost cracking of the filler 7 is further reduced;

in the preferred embodiment, through the arrangement of the drainage hole 10, the rotary groove 11, the mounting groove 12, the rotary block 13, the fixed gland 14, the hexagon socket hole 15, the communication groove 16 and the pair of communication flow channels 17, when the residual fluid in the flow channel 2 needs to be discharged, the rotary block 13 is driven to rotate in the rotary groove 11 by the hexagon socket bolt until the ends of the pair of communication flow channels 17 far away from the hexagon socket hole 15 and the top surface of the rotary block 13 are both corresponding to the communication groove 16, the fluid in the flow channel 2 flows into the communication groove 16 through the upper communication flow channel 17, then flows into the lower communication flow channel 17 from the communication groove 16, finally is discharged through the hexagon socket hole 15, the fluid in the flow channel 2 is discharged, the rotary block 13 rotates in the rotary groove 11 by the cooperation of the hexagon socket bolt and the hexagon socket hole 15 until the ends of the pair of communication flow channels 17 far away from the hexagon socket hole 15 and the top surface of the rotary block 13 are both staggered with the communication groove 16, in such a way, the fluid is prevented from being gathered in the flow channel 2 of the valve body 1, and the frost resistance of the valve body 1 is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.

Claims (5)

1. An integrally-mounted cryogenic valve, comprising:

a valve body (1) with a flow channel (2);

the valve ball (3) is arranged in the valve body (1) and is driven by the valve rod (4) to open and close the flow passage (2);

the valve cover (5) is fixedly arranged on the top of the valve body (1) through a fastener;

the low-temperature lengthening cover (6) is fixedly arranged on the valve cover (5) through a fastener;

the packing (7) is mounted on the top of the low-temperature lengthened cover (6) through a packing gland;

one end of the valve rod (4), which is far away from the valve ball (3), movably penetrates through the valve cover (5), the low-temperature lengthening cover (6), the packing (7) and the packing gland and then extends out of the low-temperature lengthening cover (6).

2. The integrally-mounted cryogenic valve of claim 1, further comprising:

and the check ring (8) is arranged on the outer wall of the middle part of the low-temperature lengthening cover (6).

3. The integrally-mounted cryogenic valve of claim 2, further comprising:

and the reinforcing plates (9) are arranged between the bottom surface of the retainer ring (8) and the outer wall of the low-temperature lengthening cover (6).

4. A one-piece cryogenic valve according to claim 1, 2 or 3, further comprising:

the plurality of discharge units are respectively arranged on two sides of the valve body (1) and communicated with the flow channel (2);

the drainage unit comprises a drainage hole (10) and an opening and closing unit for opening and closing the drainage hole (10).

5. The integrally-mounted cryogenic valve of claim 4, wherein the opening and closing unit comprises:

a rotating groove (11) arranged at the bottom of the drain hole (10);

a mounting groove (12) arranged at the bottom of the rotary groove (11);

a rotating block (13) rotatably mounted in the mounting groove (12);

a stationary gland (14) mounted in the mounting groove (12) by fasteners;

a hexagon socket (15) disposed at the bottom end of the rotating block (13);

a communication groove (16) vertically provided on one side of the rotary groove (11);

a pair of communicating flow passages (17) which are L-shaped and arranged in the rotating block (13);

the same ends of the communicating flow channels (17) are communicated with the same side wall of the rotating block (13), and the other ends of the communicating flow channels are communicated with the top end of the rotating block (13) and the hexagon socket hole (15) respectively.

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