CN211147938U - Novel quick detachable pipeline sealing test shutoff device - Google Patents

Abstract

The utility model discloses a novel quick detachable pipeline seal test shutoff device, connect including body, soft sealing member, terminal surface adjustable ring and pressurization, the sealing member cover is established outside this body to the terminal surface adjustable ring through the body both ends is fixed, and the pressurization connects the setting in the body, including two, a pressurization connects the inboard switch-on of and sealing member for pressurize the sealing member, another pressurization connects and runs through the body, is used for pressurizing the test object. The pipeline sealing device is simple in structure, low in cost, strong in stability, convenient to operate and capable of rapidly sealing the pipeline port.

Description

Novel quick detachable pipeline sealing test shutoff device

Technical Field

The utility model belongs to the technical field of it is sealed, concretely relates to novel quick detachable pipeline seal test shutoff device.

Background

The pipeline tightness test is an important link for the complete acceptance of the system pipeline and is a basic requirement for checking whether the pipeline system can be safely put into use. The tightness test of the piping system is usually performed after the piping of the system is completely installed. During the test, the inlet and the outlet are plugged, and then the pressure maintaining test is carried out according to the relevant requirements. However, in practical engineering applications, some outlets are difficult to be plugged by welding and the like after installation, especially in a sea access system of a ship, the plugging of the sea access opening by a tightness test of a pipeline system is usually realized by buckling a tank and pressing, the process is very complicated, and a ship body is damaged to a certain extent.

Disclosure of Invention

In order to overcome the weak point of above-mentioned prior art, the utility model provides a novel quick detachable pipeline seal test shutoff device, its simple structure, low cost, stability are strong, convenient operation, can realize fast that the pipeline port is sealed.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel experimental shutoff of quick detachable pipeline seal device, includes body, soft sealing member, terminal surface adjustable ring and pressurizes and connect, the sealing member cover is established outside this body to fix through the terminal surface adjustable ring at body both ends, pressurize and connect the setting in the body, including two, one pressurizes and connects and the inboard switch-on of sealing member for pressurize the sealing member, another pressurizes and connects and run through the body, be used for pressurizing the test object.

In the technical scheme, the body includes pipeline pressurization interface, sealing member pressurization interface, fixed slot, air feed port, the pressurization interface runs through the body, and sealing member pressurization interface is equipped with fixed fabrication hole in the terminal surface department of body on this terminal surface, and the air feed port sets up on the body lateral wall, and one end and the inboard intercommunication of sealing member, the other end and sealing member pressurization interface intercommunication, the both ends department of body are equipped with the hickey, are equipped with preceding fixed slot and back fixed slot on the lateral wall of body, and preceding fixed slot and back fixed slot's both ends department are protruding type.

In the above technical scheme, one end of the pressurizing joint is an internal interface, and the other end of the pressurizing joint is an external interface.

In the above technical solution, a screwing section is arranged between the internal interface and the external interface, and a regular polygon structure is arranged outside the screwing section.

In the above technical scheme, the two end faces and the inner side of the sealing element are both provided with grooves, namely a front groove and a rear groove.

In the above technical solution, the sealing member is a rubber sealing ring.

In the above technical scheme, the end face of the end face adjusting ring contacting with the sealing element is an extrusion end face, a process port is arranged on the other end face, and an adjusting thread used for being connected with the body is arranged on the inner side of the end face adjusting ring.

The utility model has the advantages that:

(1) the end face of the open pipeline is sealed without welding, and the open pipeline is rapidly sealed by using rubber expansion;

(2) the adjustment of the sealing test pressure and the control of the expansion degree of the sealing element can be realized through the pipeline pressurizing interface and the sealing element pressurizing interface, and the device is suitable for tightness tests of open pipelines with different pressure grades;

(3) the structure is simple, the reliability is high, the end face sealing device can adapt to the end face sealing of various open pipelines, and the space and position limitation is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic cross-sectional structure of fig. 2.

Fig. 4 is a schematic structural view of the body in fig. 1.

Fig. 5 is a front view of fig. 4.

Fig. 6 is a schematic cross-sectional structure of fig. 5.

Fig. 7 is a schematic structural view of the sealing member of fig. 2.

Fig. 8 is a schematic cross-sectional structure of fig. 7.

Fig. 9 is a schematic structural view of the end adjusting ring of fig. 2.

Fig. 10 is a schematic cross-sectional structure of fig. 9.

Fig. 11 is a schematic structural view of the pressurizing joint in fig. 2.

Fig. 12 is a schematic cross-sectional structure of fig. 11.

Wherein: 1-body, 2-sealing element, 3-end adjusting ring, 4-pressurizing joint, 11-pipeline pressurizing interface, 12-sealing element pressurizing interface, 13-rear fixing clamping groove, 14-front fixing clamping groove, 15-air supply port, 16-fixing process hole, 17-threaded interface, 21-rear groove, 22-front groove, 23-sealing end face, 31-process port, 32-extrusion end face, 33-adjusting thread, 41-internal interface, 42-external interface and 43-screwing section.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, fig. 2 and fig. 3, a novel easy-to-detach pipeline sealing test plugging device comprises a body 1, a soft sealing element 2, an end surface adjusting ring 3 and a pressurizing joint 4, wherein the sealing element 2 is sleeved outside the body 1 and is fixed through the end surface adjusting ring 3 at two ends of the body 1, the pressurizing joint 4 is arranged in the body and comprises two pressurizing joints, one pressurizing joint is communicated with the inner side of a sealing rubber ring and is used for pressurizing the sealing element 2, and the other pressurizing joint penetrates through the body and is used for pressurizing a test object.

As shown in fig. 4, 5 and 6, the body 1 includes a pipeline pressurizing connector 11, a sealing element pressurizing connector 12, a fixing slot and an air supply port 15, the pipeline pressurizing connector 11 penetrates through the body 1, the sealing element pressurizing connector 12 is arranged at an end face of the body 1, a fixing process hole 16 is arranged on the end face, the air supply port 15 is arranged on a side wall of the body 1, one end of the air supply port is communicated with the inner side of the sealing element 2, the other end of the air supply port is communicated with the sealing element pressurizing connector 12, threaded connectors 17 are arranged at two ends of the body 1, a front fixing slot 14 and a rear fixing slot 13 are arranged on the side wall of the body 1, and two ends of the front fixing slot 14 and the rear fixing slot 13 are both convex. The pipeline pressurizing interface 11 is in butt joint with the pressurizing connector 4, and after an external pressure source is connected, the tightness test pressure in the tested pipeline can be adjusted in real time; the sealing rubber pressurizing interface 12 is also in butt joint with the pressurizing joint 4, and the expansion degree of the sealing element 2 can be adjusted in real time after the external pressure source is connected. The rear fixing clamping groove 13 and the front fixing clamping groove 14 are positioned at two ends of the body 1 and are used for fixing the sealing element 2 through axial and radial protruding structures. The air supply port 15 provides communication between the pipe charging port 11 and the inside of the seal member 2, and when the charging port 11 is charged, the pressure inside the seal member 2 increases, which in turn causes the seal member 2 to expand. The fixed technical hole 16 is in butt joint with a special tool through threads, so that the whole plugging device can be conveniently taken out of the tested pipeline.

As shown in fig. 11 and 12, one end of the charging connector 4 is an internal interface 41, and the other end is an external interface 42.

In the above technical solution, a screw section 43 is arranged between the inner connector 41 and the outer connector 42, and the outside of the screw section 43 is in a regular polygon structure. The screw section 43 facilitates the removal of the charging connector 4 with a tool.

As shown in fig. 7 and 8, grooves are provided at both end surfaces and at the inner side of the sealing member 2, and are a front groove 22 and a rear groove 21, and the side surface of the sealing member 2 is a sealing end surface 23. The front groove 22 is in butt joint with the front fixing clamping groove 14, and the rear groove 21 is in butt joint with the rear fixing clamping groove 13, so that fixing is achieved. The sealing end face 23 is a main part for realizing the blocking of the open pipeline, and the groove carved on the sealing end face can be better contacted with the inner wall surface of the tested pipeline. The expansion and bulging of the sealing end face 23 of the sealing element 2 is divided into two steps, the first expansion presses the sealing element 2 from the side by means of the end face adjusting ring 3, and the second expansion pressurizes the inside of the sealing element 2 through the air supply port 15 and expands it to the outside.

In the above technical solution, the sealing element 2 is a rubber sealing ring.

As shown in fig. 9 and 10, the end surface of the end surface adjusting ring 3 contacting the sealing element 2 is an extrusion end surface 32, the other end surface is provided with a process opening 31, and the inner side of the end surface adjusting ring 3 is provided with an adjusting thread 33 for connecting with the body 1. The technical ports 31 are uniformly distributed on the outer side of the end surface adjusting ring 3 and are used for being connected with a special tool to realize screwing adjustment. The press end face 32 is connected to the seal 2. The adjusting screw thread 33 is butted with the screw interfaces 17 at the two ends of the body, and the relative position is adjusted by screwing.

The use of the novel plugging device for the easy-to-detach pipeline sealing test will be specifically described below.

1. Assembly phase

The body 1 and the seal 2 are first butted. In order to ensure the tight installation of the sealing element 2, an adhesive can be adopted for bonding, the bonding part is a rear groove 21 and a front groove 22, a certain gap needs to be reserved between the middle part of the inner side of the sealing element 2 and the outer side of the middle part of the body 1, and the pressurizing of an external pressure source can be uniformly transmitted to the inner side of the sealing element 2. The end adjustment rings 3 are then screwed into the ends of the body 1 and the seal 2 is clamped. Finally, the two pressurizing joints 4 are respectively screwed into the pipeline pressurizing connector 11 and the sealing rubber pressurizing connector 12 of the body 1, and the joints can be sealed by rubber gaskets. See figure 1 for details.

2. Stage of installation

After the assembly is finished, the device is directly installed at the position of the tested open pipeline, and the rubber main body part is ensured to completely enter the tested open pipeline. Before plugging, the inner wall surface of the inlet of the tested pipeline can be properly polished by abrasive paper, so that smoothness is ensured, and no larger particles are attached to the inner wall surface. If the tested tube has a plurality of interfaces, a plurality of plugging devices can be respectively adopted for plugging. The charging fitting 4 is then connected to a different external pressure source to complete the installation.

3. Stage of use

In the using process, the end face adjusting ring 3 on the outer side is slowly screwed, so that the sealing piece 2 is expanded and protruded for the first time, and the pre-compression of the plugging device and the tested pipeline is realized. Then, the sealing rubber pressurizing port 12 is gradually pressurized, so that the sealing element 2 is expanded and protruded for the second time. And after the two times of expansion, starting to pressurize the tested pipeline by using the pipeline pressurizing interface 11 until the pressure requirement of the tightness test is met. If the sealing pressure cannot be kept or the plugging device leaks, the device can be continuously pressurized through the sealing rubber pressurizing interface 12 again until the device has no leakage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (7)

1. The utility model provides a novel quick detachable pipeline sealing test shutoff device, characterized by: including body, soft sealing member, terminal surface adjustable ring and pressurization joint, the sealing member cover is established outside this body to the terminal surface adjustable ring through the body both ends is fixed, and the pressurization connects the setting in the body, including two, one pressurizes and connects the inboard switch-on with the sealing member for pressurize the sealing member, and another pressurizes and connects and runs through the body, is used for pressurizing the test object.

2. The novel easy-to-detach pipeline sealing test plugging device as claimed in claim 1, wherein: the body includes pipeline pressurization interface, sealing member pressurization interface, fixed slot, air feed mouth, the pressurization interface runs through the body, and the sealing member pressurization interface is equipped with fixed fabrication hole in the terminal surface department of body on this terminal surface, and the air feed mouth sets up on the body lateral wall, and one end and the inboard intercommunication of sealing member, the other end and sealing member pressurization interface intercommunication, the both ends department of body are equipped with the hickey, are equipped with preceding fixed slot and back fixed slot on the lateral wall of body, and preceding fixed slot and back fixed slot's both ends department are protruding type.

3. The novel easy-to-detach pipeline sealing test plugging device as claimed in claim 1, wherein: one end of the pressurizing connector is an internal interface, and the other end of the pressurizing connector is an external interface.

4. The novel easy-to-detach pipeline sealing test plugging device as claimed in claim 3, wherein: the internal interface and the external interface are provided with screwing sections, and the outside of the screwing sections is of a regular polygon structure.

5. The novel easy-to-detach pipeline sealing test plugging device as claimed in claim 1, wherein: grooves are formed in the two end faces and the inner side of the sealing piece, and are a front groove and a rear groove.

6. The novel easy-to-detach pipeline sealing test plugging device as claimed in claim 1 or 5, wherein: the sealing element is a rubber sealing ring.

7. The novel easy-to-detach pipeline sealing test plugging device as claimed in claim 1, wherein: the end face of the end face adjusting ring in contact with the sealing piece is an extrusion end face, a process port is formed in the other end face, and adjusting threads used for being connected with the body are arranged on the inner side of the end face adjusting ring.

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