CN213629452U - Blind plate device suitable for plugging pressurized pipeline port - Google Patents

Abstract

The utility model belongs to the technical field of the pipeline, a blind plate device suitable for pipeline mouth is pressed in shutoff is related to, including the plectane, be provided with flange hole, radial hole and axial hole on the plectane, the both ends in radial hole are provided with pressure release pipe and detecting tube respectively, be provided with the relief valve on the pressure release pipe, be provided with check valve and manometer on the detecting tube, the side of plectane is provided with the ring channel, radial hole runs through the ring channel, pressure release pipe and detecting tube all are the U font and extend from the ring channel towards the rear side bending of plectane, the edge of plectane is provided with and presses pipe and detecting tube complex U type hole, the rear side of plectane is provided with two backup pads that are used for supporting pressure release pipe and detecting tube perpendicularly, be provided with the locking spiral in the backup pad, be provided. The device has the advantages of high space utilization rate, convenience in assembly operation of the blind plate, high connection capacity, reasonable design, simple structure and suitability for large-scale popularization.

Description

Blind plate device suitable for plugging pressurized pipeline port

Technical Field

The utility model belongs to the technical field of the pipeline, especially, relate to a blind plate device suitable for shutoff pipeline mouth is pressed in area.

Background

The blind plate, i.e. the flange cover, is a common component for plugging a pipeline opening, and can play the same isolating and cutting-off functions as a seal head, a pipe cap and a welding plug. Because of the good sealing performance of the blind plate, the blind plate must be installed as a reliable isolation means for the system needing complete isolation.

When the existing blind plate is used for isolating a pipeline port led out by equipment or isolating upstream and downstream pipelines, the pressure of the pipeline between the blind plate and a valve can be accumulated along with the time extension to reach the pressure in the pipeline. When the blind plate is removed, the operation is equivalent to the operation under pressure, and great safety risk exists. The prior patent technology CN201620600783.1 discloses a blind plate device suitable for plugging a pipeline opening with pressure, which comprises a main body which is a circular plate matched with a pipeline flange to be plugged, wherein an inner hole and a small hole are respectively arranged inside the circular plate, the inner hole is arranged in a left-right penetrating manner along the radial direction of the circular plate, and the diameter of the inner hole is smaller than the thickness of the circular plate; the small hole is arranged along the axial direction of the circular plate, one end part of the small hole is arranged on the top surface of the circular plate in an opening shape, and the other end part of the small hole is communicated with the inner hole; one port of the inner hole is connected with a pressure gauge through a detection connecting pipe, and the other port of the inner hole is connected with a pressure release valve through a pressure release connecting pipe. The utility model discloses a blind plate device suitable for pipeline mouth is pressed in shutoff, after the blind plate shutoff, can detect the inboard pressure of blind plate by the manometer, and the medium in the pipeline is emitted with the inboard communicating connecting tube of blind plate to another accessible, treats that the pressure in the pipeline reaches when safe, dismantles the blind plate again, avoids pressing the area and operates, ensures the security of using. However, the device has problems in that the sensing connection pipe and the pressure release connection pipe extend from both sides of the circular plate, and the spatial distribution thereof is not reasonable, the spatial utilization rate is low, and the practicability still needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell blind plate device exists, provide a reasonable in design, simple structure, space utilization are higher and the stronger blind plate device who is applicable to the shutoff pipeline mouth under pressure of practicality.

In order to achieve the above object, the present invention adopts the technical solution that the blind plate device suitable for blocking a pipeline opening with pressure comprises a circular plate, wherein a plurality of flange holes are uniformly distributed on the circular plate, a radial hole and an axial hole are arranged on the circular plate, the axial hole is arranged on the front side of the circular plate, a pressure relief pipe and a detection pipe are respectively arranged at two ends of the radial hole, a pressure relief valve is arranged on the pressure relief pipe, a detection valve and a pressure gauge are arranged on the detection pipe, a circular groove is arranged on the side surface of the circular plate, the radial hole penetrates through the circular groove, the pipe core line of the pressure relief pipe and the pipe core line of the detection pipe are both U-shaped and extend from the circular groove to the rear side of the circular plate in a bending manner, a U-shaped hole matched with the pressure relief pipe and the detection pipe is arranged at the edge of the circular plate, two supporting plates for supporting the pressure relief pipe and the detection, the end of the supporting plate is provided with a U-shaped clamping groove, a through hole penetrating through the U-shaped clamping groove is formed in the supporting plate, a locking screw is arranged in the through hole, and shock absorbers in one-to-one correspondence with the flange holes are arranged in the annular groove.

Preferably, the shock absorber comprises a shock absorption tube, two ends of the shock absorption tube are respectively provided with a shock absorption groove, and a shock absorption pad is arranged in each shock absorption groove.

Preferably, the pressure relief pipe or the detection pipe is located on the rear side of the circular plate and has a length greater than that of the pressure relief pipe or the detection pipe located in the annular groove.

Preferably, the pressure relief valve is located at the rear end of the pressure relief pipe, and the detection valve and the pressure gauge are arranged at the rear end of the detection pipe.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a blind plate device suitable for shutoff area pressure pipeline mouth through reasonable setting pressure release pipe and test tube, has effectively improved the space utilization of this device, is convenient for carry out the assembly operation of blind plate moreover, has higher connecting ability simultaneously in addition, reasonable in design, simple structure are fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is an isometric view of a blind plate apparatus suitable for plugging a port in a pipeline under pressure provided by an embodiment;

FIG. 2 is a cross-sectional view of a blind plate device suitable for plugging a port of a pipeline under pressure according to an embodiment;

FIG. 3 is a schematic structural view of a shock absorber according to an embodiment;

in the above figures, 1 is a circular plate; 11. a flange hole; 12. a radial bore; 13. an axial bore; 14. an annular groove; 15. a U-shaped hole; 2. a pressure relief pipe; 3. a detection tube; 4. a pressure relief valve; 5. a check valve; 6. a pressure gauge; 7. a support plate; 71. a U-shaped clamping groove; 8. locking the screw; 9. a shock absorber; 91. a shock absorbing tube; 92. a damping groove; 93. a shock-absorbing pad.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1, fig. 2 and fig. 3, the utility model provides a blind plate device suitable for shutoff pipeline mouth is pressed, including plectane 1, be provided with a plurality of evenly distributed's flange hole 11 on the plectane, be provided with radial hole 12 and axial hole 13 on the plectane 1, axial hole 13 sets up the front side at plectane 1, and the both ends of radial hole 12 are provided with pressure release pipe 2 and test tube 3 respectively, are provided with relief valve 4 on the pressure release pipe 2, are provided with test valve 5 and manometer 6 on the test tube 3. Wherein, flange hole 11, radial hole 12, axial hole 13, relief valve 4, check valve 5 and manometer 6 are prior art, and this embodiment no longer gives details here, the utility model discloses a key is to plectane 1 and pressure release pipe 2, check pipe 3's connection position improve to the shape to pressure release pipe 2 and check pipe 3 improves, thereby improves space utilization and the assembling nature of this device in practical application.

Specifically, the utility model discloses side at plectane 1 is provided with ring channel 14, radial hole 12 runs through ring channel 14, the core line of pressure release pipe 2 and the core line of detecting tube 3 all are the U font and extend from ring channel 14 towards the rear side bending of plectane 1, plectane 1's edge is provided with pressure release pipe 2 and detecting tube 3 complex U type hole 15, plectane 1's rear side is provided with two backup pads 7 that are used for supporting pressure release pipe and detecting tube perpendicularly, backup pad 7's tip is provided with U type draw-in groove 71, be provided with the through-hole that runs through U type draw-in groove 71 on the backup pad 7, be provided with locking spiral 8 in the through-hole, be provided with the bumper shock absorber 9 with flange hole one-to-one. The annular groove 14 is used as a direct connection part of the pressure relief pipe 2, the detection pipe 3 and the circular plate 1, so that the end part of the pressure relief pipe 2 and the end part of the detection pipe 3 are in a hidden type, and the pressure relief pipe and the detection pipe are bent and extended backwards from the end, the U-shaped hole 15 on the circular plate 1 can play a limiting role, so that the pressure relief operation and the detection operation are carried out and completed on the rear side of the circular plate 1, the utilization rate of the pressure relief pipe 2 and the detection pipe 3 in space is effectively improved, and the operation difficulty of work is reduced. Meanwhile, the device utilizes the supporting plate 7 at the rear side of the circular plate 1 to fix the pressure relief pipe 2 and the detection pipe 3, for example, the U-shaped clamping groove 71 is used for limiting, and the locking screw 8 is directly abutted against the side surface of the pressure relief pipe 2 or the detection pipe 3 for locking, so that the stability of the pressure relief pipe 2 and the detection pipe 3 is improved, the welding quality of the connection end of the pressure relief pipe 2 and the detection pipe 3 and the welding quality of the connection end of the pressure relief pipe and the annular groove 14 are especially ensured, and the detection precision and the pressure relief uniformity. The device adopts the shock absorber 9 as a buffer structure between the flange holes, on one hand, the edge part of the circular plate 1 is prevented from deforming, on the other hand, the vibration amplitude of the blind plate device caused by the pressure in the pipeline with pressure is reduced, the connection stability of the bolts in the flange holes 11 is ensured, and the probability that the bolts are corroded is reduced.

In order to improve the practicality of bumper shock absorber 9, the utility model provides a bumper shock absorber 9 includes shock tube 91, and shock tube 1's both ends all are provided with a shock attenuation groove 92, are provided with shock pad 93 among the shock attenuation groove 92, and shock attenuation effect and protecting effect are better, and the connecting capacity is stronger, simple structure, and the cost is lower.

In order to improve the detection precision of manometer and the homogeneity of pressure release, the utility model provides a length that pressure release pipe 2 or sense tube 3 are located the plectane rear side is greater than its length that is located the ring channel, through the stroke that the extension pressure gas got into plectane 1 to reduce the gaseous instability after the U type part diversion, with the homogeneity of the detection precision and the pressure release of guaranteeing manometer 6.

Further, the utility model discloses be located the rear end of pressure release pipe 2 with relief valve 4, check valve 5 and manometer 6 set up the rear end at check tube 3, avoid gaseous return to cause the instability of pressure release instability and manometer pointer.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (4)

1. The blind plate device suitable for blocking the opening of the pipeline with pressure comprises a circular plate, wherein a plurality of flange holes which are uniformly distributed are arranged on the circular plate, a radial hole and an axial hole are arranged on the circular plate, the axial hole is arranged on the front side of the circular plate, a pressure relief pipe and a detection pipe are respectively arranged at the two ends of the radial hole, a pressure relief valve is arranged on the pressure relief pipe, a detection valve and a pressure gauge are arranged on the detection pipe, the blind plate device is characterized in that a ring groove is arranged on the side surface of the circular plate, the radial hole penetrates through the ring groove, the pipe core line of the pressure relief pipe and the pipe core line of the detection pipe are both in a U shape and extend from the ring groove to the rear side of the circular plate in a bending way, a U-shaped hole matched with the pressure relief pipe and the detection pipe is arranged at the edge of the circular plate, two supporting plates for supporting the pressure relief pipe and, the supporting plate is provided with a through hole penetrating through the U-shaped clamping groove, a locking screw is arranged in the through hole, and the annular groove is internally provided with shock absorbers in one-to-one correspondence with the flange holes.

2. The blind apparatus for plugging a port of a pipeline under pressure according to claim 1, wherein said damper comprises a damper tube, each of two ends of said damper tube is provided with a damper groove, and a damper pad is disposed in said damper groove.

3. The blind apparatus for plugging a port in a pipeline under pressure according to claim 2 wherein said pressure relief or sensing tube is located on the rear side of the circular plate for a length greater than its length in the annular groove.

4. The blind plate device for plugging a pressure pipeline port according to claim 3, wherein the pressure relief valve is positioned at the rear end of the pressure relief pipe, and the detection valve and the pressure gauge are arranged at the rear end of the detection pipe.

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