CN219828567U - A blow down draw-off tube device for two valves - Google Patents

Abstract

The utility model discloses an emptying pressure guiding pipe device for a two-valve group, which comprises a valve body, wherein a stop valve and a blow-down valve for controlling the valve body to empty are arranged on the valve body, an emptying port is formed on the side wall of one side of the valve body, the emptying pressure guiding pipe device also comprises a connecting pipe and a pressure guiding pipe for changing the flow direction of an emptying medium, and two ends of the connecting pipe are respectively detachably connected with the emptying port and the pressure guiding pipe so as to communicate the pressure guiding pipe with the emptying port. According to the emptying pressure guiding pipe device for the two valve groups, the connecting pipe is detachably connected to the emptying port, and the pressure guiding pipe is detachably connected to the connecting pipe, so that the discharging direction of an emptying medium can be changed through the pressure guiding pipe, station operation of workers is facilitated, damage to equipment caused by the emptying medium is avoided, the operation injury risk of the workers is reduced, and meanwhile, the environmental protection problem caused by discharging is effectively prevented.

Description

A blow down draw-off tube device for two valves

Technical Field

The utility model relates to the technical field of valve groups, in particular to an emptying pressure guiding pipe device for a two-valve group.

Background

The two valve groups are matched with the pressure transmitter or the pressure gauge for use, and the two valve groups are used for conducting or disconnecting the positive pressure chamber and the negative pressure chamber of the pressure transmitter from the pressure leading point or disconnecting or conducting the positive pressure chamber and the negative pressure chamber. The two valve groups have the function of emptying, namely, emptying mediums such as oil, high-pressure gas and the like are discharged out of the valve body through the blow-down valve, so that overpressure protection is carried out on pipelines, meters and the like.

The applicant obtains the following prior art through the following search formula "cl (two valve group) AND cl (leading pressure) OR cl (emptying) AND desc (protection)", AND concretely, the patent with publication number CN215334781U discloses an overpressure protection type high-temperature high-pressure two valve group, including valve body, case AND valve rod, the case sets up inside the valve body, AND valve rod one end is connected with the case, AND the other end stretches to the external world through the valve body, still is provided with the packing box on the valve body, AND the packing box is connected with the valve rod cooperation, is provided with the filler between packing box AND the valve body, is provided with overpressure protection device on the lateral wall of valve body, is connected with the manometer on the overpressure protection device. In the utility model, an overpressure protection device is adopted, and when the pressure is too high, the overpressure protection device discharges the too high pressure.

From the above patent, it can be seen that this overvoltage protection type high temperature high pressure two valves, though can be when the pressure is too high, through the excessive pressure relief device release, but because the atmospheric vent setting of discharge atmospheric medium is in one side of valve body and is the horizontal direction blowdown, not only lead to the fact the damage to surrounding equipment easily, still improved staff's operation injury's risk to be unfavorable for collecting the impurity in the atmospheric medium.

Disclosure of Invention

The utility model mainly aims to provide an emptying pressure guiding pipe device for a two-valve group, and aims to solve the problems that when the existing two-valve group is emptied, not only is the surrounding equipment easily damaged, but also the risk of injury of the operation of staff is increased, and the collection of impurities in an emptying medium is not facilitated.

In order to achieve the above purpose, the utility model provides an emptying pressure guiding pipe device for a two-valve group, which comprises a valve body, wherein a stop valve and a blow-off valve for controlling the valve body to empty are arranged on the valve body, an emptying port is formed on one side wall of the valve body, the emptying pressure guiding pipe device also comprises a connecting pipe and a pressure guiding pipe for changing the flow direction of an emptying medium, and two ends of the connecting pipe are respectively detachably connected with the emptying port and the pressure guiding pipe so as to communicate the pressure guiding pipe with the emptying port.

Preferably, the connecting pipe comprises a first joint, a second joint and a connecting sleeve, one end of the first joint is detachably connected with the vent, the other end of the first joint extends into the connecting sleeve and is detachably connected with the connecting sleeve, an annular flange is formed at one end, far away from the first joint, of the inner side wall of the connecting sleeve, the second joint is close to one end, close to the first joint, of the connecting sleeve extends into the connecting sleeve and is used for being abutted with the first joint and the annular flange, and one end, far away from the annular flange, of the second joint is detachably connected with the pressure guiding pipe.

Preferably, the second joint is used for being formed with annular protrusion on the terminal surface that is used for with the first joint butt, be formed with on the first joint and supply the slope of annular protrusion butt.

Preferably, a flexible sealing gasket is sleeved on the outer wall of the first joint, and the flexible sealing gasket is located between the emptying port and the connecting sleeve.

Preferably, the cross-sectional shape of the connecting sleeve is polygonal.

Preferably, the pressure guiding pipe is an L-shaped pressure guiding pipe, one end of the pressure guiding pipe, which is far away from the vent, is detachably connected with an end cover, and anti-skid patterns are formed on the end cover.

Preferably, a pressure gauge for detecting the pressure in the valve body is arranged on the valve body.

The beneficial effects are that:

1. according to the emptying pressure guiding pipe device for the two valve groups, the connecting pipe is detachably connected to the emptying port, and the pressure guiding pipe is detachably connected to the connecting pipe, so that the discharging direction of an emptying medium can be changed through the pressure guiding pipe, station operation by workers is facilitated, damage to equipment caused by the emptying medium is avoided, the operation injury risk of the workers is reduced, meanwhile, the pressure guiding pipe can play a role in collecting impurities in the emptying medium in a concentrated mode, and the workers can collect the impurities in the emptying medium at one end, far away from the connecting pipe, of the pressure guiding pipe, so that the environmental protection problem caused by discharging is effectively prevented.

2. Because the valve body, the connecting pipe and the pressure guiding pipe are all detachably connected, the detachable connection mode can be in threaded connection, so that the later assembly, disassembly, replacement, maintenance, cleaning and the like of all parts are convenient, the structural design is reasonable, and the use is reliable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is an isometric view of a blow down guide tube apparatus for a two-valve block according to an embodiment of the utility model;

FIG. 2 is a top view of a blow down guide tube apparatus for a two-valve set according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

fig. 4 is a partial enlarged view at B in fig. 3.

In the figure: 100-an emptying pressure guiding pipe device for a two-valve group; 1-a valve body; 2-an air vent; 3-connecting pipes; 4-a pressure guiding pipe; 5-a first linker; 6-a second linker; 7-connecting the sleeve; 8-an annular flange; 9-annular protrusions; 10-slope; 11-a flexible gasket; 12-end caps; 13-pressure gauge.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," and the like in the description of the present utility model, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

the utility model provides a venting and pressure-guiding pipe device 100 for a two-valve group.

In an embodiment of the present utility model, an emptying pressure guiding pipe device 100 for a two-valve set includes a valve body 1, a stop valve and a blow-off valve for controlling the valve body 1 to empty are arranged on the valve body 1, an emptying port 2 is formed on a side wall of one side of the valve body 1, a connecting pipe 3 and a pressure guiding pipe 4 for changing the flow direction of an emptying medium are further included, and two ends of the connecting pipe 3 are detachably connected with the emptying port 2 and the pressure guiding pipe 4 respectively so as to communicate the pressure guiding pipe 4 with the emptying port 2.

Specifically, as shown in fig. 1 and fig. 4, in the venting and pressure-guiding pipe device 100 for a two-valve set according to the present utility model, the left and right sides of the valve body 1 are respectively provided with a stop valve for cutting off or communicating a pipeline and a blow-down valve for controlling the valve body 1 to vent, and the rear side wall of the valve body 1 is formed with a vent 2, so that a worker can vent and release pressure by opening or closing the blow-down valve, that is, vent medium is discharged from the vent 2 after opening the blow-down valve, so as to reduce the pressure in the valve body 1 or the pipeline, and the structural design is simple and reasonable.

Further, because both ends can dismantle with valve body 1 and draw and press pipe 4 respectively around connecting pipe 3, and can dismantle the mode of connection and select for use threaded connection, all set up the screw thread of mutually supporting on the outer wall of the inner wall of relief port 2 and connecting pipe 3 front end promptly, and then make draw and press pipe 4 can communicate with relief port 2, after the relief medium is discharged from relief port 2, loop through connecting pipe 3 and draw and press pipe 4, thereby change the direction of delivery of relief medium, not only do benefit to the staff and carry out the station position operation, still avoided the relief medium to cause the damage to equipment, and reduced staff's operation injury risk, draw simultaneously and press pipe 4 can play the effect of concentrating the collection to the impurity in the relief medium, the staff can be kept away from the one end department of connecting pipe 3 on drawing and press pipe 4 and collect the impurity in the relief medium, prevent effectively that environmental protection problem that causes because of the release.

It can be understood that, because the valve body 1, the connecting pipe 3 and the pressure guiding pipe 4 are all detachably connected, the detachable connection mode can be adopted as threaded connection, thereby being convenient for later disassembly, replacement, maintenance, cleaning and the like of each part, having reasonable structural design and reliable use.

Compared with the prior art, the emptying pressure guiding pipe device 100 for the two valve groups is detachably connected with the connecting pipe 3 at the emptying port 2 and the pressure guiding pipe 4 through the connecting pipe 3, so that the discharging direction of an emptying medium can be changed through the pressure guiding pipe 4, not only is the station operation performed by a worker facilitated, but also the damage of the emptying medium to equipment is avoided, the operation injury risk of the worker is reduced, and meanwhile, the environmental protection problem caused by discharging is effectively prevented.

In an embodiment, the connecting pipe 3 comprises a first joint 5, a second joint 6 and a connecting sleeve 7, one end of the first joint 5 is detachably connected with the vent 2, the other end of the first joint 5 extends into the connecting sleeve 7 and is detachably connected with the connecting sleeve 7, an annular flange 8 is formed on one end, far away from the first joint 5, of the inner side wall of the connecting sleeve 7, one end, close to the first joint 5, of the second joint 6 extends into the connecting sleeve 7 and is used for being abutted with the first joint 5 and the annular flange 8, and one end, far away from the annular flange 8, of the second joint 6 is detachably connected with the pressure guiding pipe 4.

Specifically, as shown in fig. 1 to 4, the left end of the first connector 5 in the connecting pipe 3 is detachably connected with the vent 2, the detachable connection is in threaded connection, the right end of the first connector 5 extends into the connecting sleeve 7 and is detachably connected with the connecting sleeve 7, and the detachable connection is also in threaded connection, so that the first connector 5 can be conveniently disassembled and replaced. Further, because the annular flange 8 is formed on the inner side wall at the right end of the connecting sleeve 7, and the left end of the second joint 6 stretches into the connecting sleeve 7 and is used for being abutted against the first joint 5 and the annular flange 8, after the left end and the right end of the first joint 5 are respectively connected and fastened with the vent 2 and the connecting sleeve 7, the left end of the second joint 6 is abutted against the right end of the first joint 5 and clamped between the first joint 5 and the annular flange 8 under the action of the annular flange 8, and meanwhile, the second joint 6 can rotate in the connecting sleeve 7 relative to the first joint 5, and because the right end of the second joint 6 is detachably connected with the pressure guiding pipe 4, the second joint 6 can drive the pressure guiding pipe 4 to synchronously rotate, so that the orientation of the pressure guiding pipe 4 can be adjusted, the station position operation of workers can be facilitated, and the impurities in a vent medium can be collected, and the device is flexible, convenient and reliable to use.

In an embodiment, the second joint 6 is used for forming an annular protrusion 9 on the end surface abutting against the first joint 5, and a slope 10 for abutting against the annular protrusion 9 is formed on the first joint 5. Specifically, as shown in fig. 4, an annular protrusion 9 is formed on the end face of the left end of the second joint 6, a slope 10 for the annular protrusion 9 to abut against is formed on the right end face of the first joint 5, the slope 10 is inclined from right to left towards a direction close to the axis line of the connecting sleeve 7, so that a conical groove for accommodating the annular protrusion 9 is formed, when the first joint 5 moves rightwards and is fastened in threaded connection with the connecting sleeve 7, the annular protrusion 9 stretches into the conical groove, so that the right end of the first joint 5 is more firmly and compactly abutted against the left end of the second joint 6, and the tightness between the first joint 5 and the second joint 6 is ensured.

In one embodiment, as shown in fig. 4, the outer wall of the first joint 5 is sleeved with a flexible sealing gasket 11, and the flexible sealing gasket 11 is located between the vent 2 and the connecting sleeve 7. It will be appreciated that, after the left end of the first connector 5 is connected and fastened to the vent 2, the outer wall of the vent 2 and the connecting sleeve 7 clamp the flexible gasket 11 and elastically deform the flexible gasket, so that the tightness of the connecting pipe 3 is further improved, the vent medium is prevented from leaking from the connecting pipe 3, and damage to equipment is avoided.

In one embodiment, the cross-sectional shape of the connecting sleeve 7 is polygonal. It can be appreciated that, since the cross section of the connecting sleeve 7 is polygonal, the connecting sleeve 7 can be selected as a connecting nut in practical use, and the materials are easy to obtain.

In an embodiment, as shown in fig. 1 to 4, the pressure guiding tube 4 is an L-shaped pressure guiding tube 4, and an end cover 12 is detachably connected to an end of the pressure guiding tube 4 away from the vent 2, and anti-skid patterns are formed on the end cover 12. Specifically, because the pressure guiding pipe 4 is the L-shaped pressure guiding pipe 4, the staff can rotate the L-shaped pressure guiding pipe 4 and face the right end of the L-shaped pressure guiding pipe downwards, so that the discharging direction of the emptying medium is downwards, the equipment is effectively prevented from being damaged and the staff is injured when the pressure guiding pipe 4 discharges pressure, and the operation risk of the staff is reduced. Further, since the end cover 12 is detachably connected to the end of the pressure guiding tube 4 away from the vent 2, the pressure guiding tube 4 can be closed and covered when the venting and the pressure relief are not performed, and the foreign matters are prevented from entering the pressure guiding tube 4 to cause blockage and the like. It can be appreciated that the end cover 12 is formed with anti-skid patterns, and the detachable connection mode of the end cover 12 and the pressure guiding tube 4 is threaded connection, so that the end cover 12 is convenient for a worker to turn around, and the operation is facilitated.

In another embodiment, the pressure guiding tube 4 is a bellows. The corrugated pipe has the characteristics of high external pressure resistance, strong impact resistance, smooth inner wall, small frictional resistance, light overall weight, convenient and quick installation and the like, and can be used for guiding the pressure discharged more easily through the corrugated pipe in an understandable manner, and is more flexible.

In an embodiment, as shown in fig. 1 to 3, a pressure gauge 13 for detecting the pressure in the valve body 1 is provided on the valve body 1, so that a worker can intuitively check the pressure in the valve body 1, and detection is facilitated.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a draw and press pipe device for two valves, includes valve body (1), be provided with the stop valve on valve body (1) and be used for controlling the blow off valve that valve body (1) was emptied, be formed with on one side lateral wall of valve body (1) and empty mouth (2), its characterized in that still includes connecting pipe (3) and is used for changing the drainage pipe (4) of emptying medium flow direction, the both ends of connecting pipe (3) respectively with empty mouth (2) with draw and press pipe (4) and dismantle and be connected, in order will draw and press pipe (4) with empty mouth (2) intercommunication.

2. The venting and pressure-guiding pipe device for a two-valve set according to claim 1, characterized in that the connecting pipe (3) comprises a first joint (5), a second joint (6) and a connecting sleeve (7), one end of the first joint (5) is detachably connected with the venting port (2), the other end of the first joint (5) extends into the connecting sleeve (7) and is detachably connected with the connecting sleeve (7), an annular flange (8) is formed on the inner side wall of the connecting sleeve (7) at one end far away from the first joint (5), and one end of the second joint (6) close to the first joint (5) extends into the connecting sleeve (7) and is used for being abutted with the first joint (5) and the annular flange (8), and one end of the second joint (6) far away from the annular flange (8) is detachably connected with the pressure-guiding pipe (4).

3. The venting and pressure-guiding pipe device for the two-valve group according to claim 2, characterized in that the second joint (6) is used for being formed with an annular bulge (9) on the end surface which is abutted with the first joint (5), and a slope (10) for being abutted with the annular bulge (9) is formed on the first joint (5).

4. A venting and pressure-inducing pipe device for a two-valve set according to claim 3, characterized in that the outer wall of the first joint (5) is sleeved with a flexible sealing gasket (11), and the flexible sealing gasket (11) is located between the venting port (2) and the connecting sleeve (7).

5. The venting and pressure-inducing tube apparatus for a two-valve set as claimed in claim 4, wherein

The cross-sectional shape of the connecting sleeve (7) is polygonal.

6. The venting and pressure-guiding pipe device for a two-valve group according to any one of claims 1 to 5, wherein the pressure-guiding pipe (4) is an L-shaped pressure-guiding pipe, and one end of the pressure-guiding pipe (4) far away from the venting port (2) is detachably connected with an end cover (12), and anti-skid patterns are formed on the end cover (12).

7. A venting and pressure-introducing pipe device for a two-valve group according to any one of claims 1-5, characterized in that the valve body (1) is provided with a pressure gauge (13) for detecting the pressure in the valve body (1).