CN217355979U

CN217355979U - Mechanical maintenance is with preventing sealing device who leaks

Info

Publication number: CN217355979U
Application number: CN202220275992.9U
Authority: CN
Inventors: 陈继程; 马智超; 王杰; 纪晓飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-02
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a mechanical maintenance is with preventing sealing device who leaks relates to the mechanical seal device field. Including the chemical industry jar body and prevent leaking seal assembly, the top fixedly connected with outlet pipe of the chemical industry jar body, the one end of outlet pipe is provided with the connecting pipe, the one end of connecting pipe is provided with the discharge pipe, the connecting pipe is provided with the second valve with one side that the discharge pipe is close to each other, prevent leaking seal assembly and set up in the bottom of second valve, prevent leaking seal assembly including assisting the pipe, the outside of assisting the pipe is provided with the seal valve, the bottom threaded connection who assists the pipe has the connector, the bottom of connector is provided with external pipe, the utility model discloses an utilize and prevent leaking seal assembly's design, can carry out the evacuation with the inside gas of connecting pipe or liquid through preventing leaking seal assembly, this prevents that the leakage device can play in the maintenance process and prevent inflammable and explosive, the effect that poisonous and harmful medium was revealed, the safety of maintenance process has been guaranteed.

Description

Mechanical maintenance is with preventing sealing device who leaks

Technical Field

The utility model relates to a mechanical seal technical field specifically is a mechanical maintenance is with preventing sealing device of leakage.

Background

The existing chemical plant generally adopts the pipeline to carry out the transportation to the in-process of carrying out gas or liquid, carry out fixed connection with the pipeline through valve and outlet pipe and discharge pipe, the influence of long-time use process environment makes the pipeline split easily, and then make its inside gas or liquid ooze, when carrying out welding maintenance to it, need close the valve of pipeline one end, make the inside gas or liquid of pipeline discharge through the discharge pipe, because pipeline seal can't ensure whether its inside gas or liquid is discharged, and then be unfavorable for the constructor to maintain.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a mechanical maintenance is with preventing sealing device of leakage to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a leak-proof seal for mechanical maintenance, comprising:

the chemical tank comprises a chemical tank body, wherein the top end of the chemical tank body is fixedly connected with an outlet pipe, one end of the outlet pipe is provided with a connecting pipe, one end of the connecting pipe is provided with a discharge pipe, one side, close to the connecting pipe, of the outlet pipe is provided with a first valve, and one side, close to the discharge pipe, of the connecting pipe is provided with a second valve;

prevent leaking seal assembly, prevent leaking seal assembly and set up in the bottom of second valve, prevent leaking seal assembly including assisting the pipe, the outside of assisting the pipe is provided with the seal valve, the bottom threaded connection who assists the pipe has the connector, the bottom of connector is provided with the outer pipe of taking over.

Preferably, the outside of the bottom of the auxiliary pipe is sleeved with a first sealing ring, and the first sealing ring is attached to the inner wall of the connector.

Preferably, the bottom of the auxiliary pipe is embedded with a second sealing ring, and the second sealing ring is positioned at the joint of the connector and the auxiliary pipe.

Preferably, the inside of connector is provided with the activity pipe, the top of activity pipe is provided with the third sealing washer, the third sealing washer corresponds each other with the bottom of assisting the pipe.

Preferably, the outside of activity socle portion is inlayed and is equipped with the fourth sealing washer, the outside of fourth sealing washer and the inner wall of connector laminate each other.

Preferably, a limiting sliding groove is formed in the connector, a limiting sliding block is sleeved inside the limiting sliding groove, a guide sliding rod is fixedly connected to the top end of the limiting sliding block, and the top end of the guide sliding rod is fixedly connected with the bottom end of the movable tube.

Preferably, a fastening spring is sleeved outside the guide sliding rod, the top end of the fastening spring is fixedly connected with the bottom end of the movable tube, and the bottom end of the fastening spring is fixedly connected with the inner wall of the bottom end inside the connector.

Preferably, flanges are fixedly connected to one ends of the outlet pipe and the discharge pipe and two ends of the first valve, the connecting pipe and the second valve, and a plurality of through holes are formed in the flanges.

The utility model discloses a mechanical maintenance is with preventing sealing device of leakage, its beneficial effect who possesses as follows:

the utility model discloses an utilize and prevent leaking seal assembly's design, can carry out the evacuation with the inside gas of connecting pipe or liquid through preventing leaking seal assembly, the exhaust in-process, can prevent its inside gas or liquid discharge through the sealing washer, and then when having avoided carrying out welding maintenance to the connecting pipe, there is remaining gas or liquid to ooze inside the connecting pipe, the phenomenon that causes certain harm takes place, this prevents that the leakage device can play in the maintenance process and prevents easily burning and exploding, the effect that toxic harmful medium revealed, the safety of maintenance process has been guaranteed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the auxiliary pipe of the present invention;

FIG. 3 is a schematic plan view of the structure of the leak-proof sealing assembly of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a chemical tank body; 2. an outlet pipe; 3. a connecting pipe; 4. a discharge pipe; 5. a first valve; 6. A second valve; 7. an auxiliary pipe; 701. a first seal ring; 8. a sealing valve; 9. a connector; 10. an external connection pipe; 11. a second seal ring; 12. a movable tube; 13. a third seal ring; 14. a guide slide bar; 15. a fastening spring; 16. a limiting slide block; 17. a fourth seal ring; 18. a flange.

Detailed Description

An embodiment of the utility model discloses mechanical maintenance is with preventing sealing device of leakage, as shown in fig. 1-4, a mechanical maintenance is with preventing sealing device of leakage, include:

the chemical tank comprises a chemical tank body 1, wherein the top end of the chemical tank body 1 is fixedly connected with an outlet pipe 2, one end of the outlet pipe 2 is provided with a connecting pipe 3, one end of the connecting pipe 3 is provided with a discharge pipe 4, one side, close to each other, of the outlet pipe 2 and the connecting pipe 3 is provided with a first valve 5, and one side, close to each other, of the connecting pipe 3 and the discharge pipe 4 is provided with a second valve 6;

flanges 18 are fixedly connected to one ends of the outlet pipe 2 and the discharge pipe 4 and two ends of the first valve 5, the connecting pipe 3 and the second valve 6, a plurality of through holes are formed in the flanges 18, and the outlet pipe 2, the discharge pipe 4, the first valve 5, the connecting pipe 3 and the second valve 6 are conveniently connected through the flanges 18;

the anti-leakage sealing assembly can play a role in preventing inflammable, explosive, toxic and harmful media from leaking in the maintenance process, so that the safety of the maintenance process is ensured;

the anti-leakage sealing assembly is arranged at the bottom of the second valve 6 and comprises an auxiliary pipe 7, a sealing valve 8 is arranged outside the auxiliary pipe 7, the bottom of the auxiliary pipe 7 is in threaded connection with a connector 9, and the bottom end of the connector 9 is provided with an external pipe 10;

the first sealing ring 701 is sleeved outside the bottom of the auxiliary pipe 7, the first sealing ring 701 is attached to the inner wall of the connector 9, the sealing performance of the attachment of the inner wall of the connector 9 and the outer wall of the auxiliary pipe 7 can be enhanced through the first sealing ring 701, and gas or liquid can be prevented from being discharged from the joint of the auxiliary pipe 7 and the connector 9;

a second sealing ring 11 is embedded at the bottom of the auxiliary pipe 7, the second sealing ring 11 is positioned at the joint of the connector 9 and the auxiliary pipe 7, and the top end of the connector 9 and the bottom end of the bottom of the auxiliary pipe 7 can be sealed through the second sealing ring 11;

a movable pipe 12 is arranged inside the connector 9, a third sealing ring 13 is arranged at the top end of the movable pipe 12, the third sealing ring 13 corresponds to the bottom end of the auxiliary pipe 7, and the sealing performance of the mutual attachment of the top end of the movable pipe 12 and the bottom end of the auxiliary pipe 7 can be enhanced through the third sealing ring 13;

a fourth sealing ring 17 is embedded in the outer part of the bottom of the movable pipe 12, the outer part of the fourth sealing ring 17 is mutually attached to the inner wall of the connector 9, and the sealing performance of mutual attachment of the outer wall of the movable pipe 12 and the inner wall of the connector 9 can be enhanced through the fourth sealing ring 17;

a limiting sliding groove is formed in the connector 9, a limiting sliding block 16 is sleeved in the limiting sliding groove, a guide sliding rod 14 is fixedly connected to the top end of the limiting sliding block 16, and the top end of the guide sliding rod 14 is fixedly connected with the bottom end of the movable tube 12;

the fastening spring 15 is sleeved outside the guide sliding rod 14, the fastening spring 15 is initially in an extrusion stress state and a contraction state, the top end of the fastening spring 15 is fixedly connected with the bottom end of the movable pipe 12, the movable pipe 12 is always thrust by the fastening spring 15, the top end of the third sealing ring 13 is tightly attached to the bottom end of the auxiliary pipe 7, and the bottom end of the fastening spring 15 is fixedly connected with the inner wall of the inner bottom end of the connector 9.

The working principle is as follows: referring to fig. 1 to 3, when the welding maintenance of the connecting pipe 3 is required:

implementing the first step of operation, the operator firstly rotates the first valve 5 clockwise to make the first valve 5 in a closed state;

implementing the second step of operation, then holding the connector 9 by hand, then sleeving the connector 9 outside the auxiliary pipe 7, gradually moving the port of the connector 9 to the top end of the auxiliary pipe 7 along the bottom of the auxiliary pipe 7, attaching the inner wall of the connector 9 and the first sealing ring 701 at the bottom of the auxiliary pipe 7 to each other in the moving process, and when the bottom end of the auxiliary pipe 7 and the top end of the third sealing ring 13 are attached to each other, extruding the fastening spring 15 by the connector 9 to shrink and accumulate force;

meanwhile, the connector 9 drives the limiting sliding groove to move along the outer part of the limiting sliding block 16 and the outer part of the guide sliding rod 14, the fourth sealing ring 17 moves along the inner wall of the outer connecting pipe 10 until the internal thread at the port of the connector 9 is contacted with the external thread at the top of the auxiliary pipe 7, then the connector 9 is rotated clockwise, the connector 9 is connected to the outer part of the auxiliary pipe 7 in a threaded mode, and the process is stopped until the top end of the connector 9 is attached to the bottom end of the second sealing ring 11;

performing a third step, connecting the external connecting pipe 10 to the pump, connecting the other end of the pump with the collecting pipe, then holding the sealing valve 8 by hand, opening the sealing valve 8, pumping out the gas or liquid inside the connecting pipe 3 by the pump, and allowing the pumped liquid or gas to enter the collecting tank, thereby avoiding gas or liquid leakage;

and performing the fourth operation, when the gas or liquid in the connecting pipe 3 is exhausted, then holding the second valve 6 by hand, then rotating the second valve 6 clockwise to make the second valve 6 in a closed state, and then closing the sealing valve 8, so that the connecting pipe 3 can be subjected to welding maintenance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A leak-proof seal for mechanical maintenance, comprising:

the chemical tank comprises a chemical tank body (1), wherein an outlet pipe (2) is fixedly connected to the top end of the chemical tank body (1), a connecting pipe (3) is arranged at one end of the outlet pipe (2), a discharge pipe (4) is arranged at one end of the connecting pipe (3), a first valve (5) is arranged on one side, close to each other, of the outlet pipe (2) and the connecting pipe (3), and a second valve (6) is arranged on one side, close to each other, of the connecting pipe (3) and the discharge pipe (4);

prevent leaking seal assembly, prevent leaking seal assembly and set up in the bottom of second valve (6), prevent leaking seal assembly including assisting pipe (7), the outside of assisting pipe (7) is provided with seal valve (8), the bottom threaded connection who assists pipe (7) has connector (9), the bottom of connector (9) is provided with outer pipe (10).

2. A leak-proof seal for mechanical servicing, as set forth in claim 1, wherein: the outer portion of the bottom of the auxiliary pipe (7) is sleeved with a first sealing ring (701), and the first sealing ring (701) is attached to the inner wall of the connector (9) mutually.

3. A leak-proof seal for mechanical servicing, as set forth in claim 1, wherein: the bottom of assisting pipe (7) is inlayed and is equipped with second sealing washer (11), second sealing washer (11) are located connector (9) and the junction of assisting pipe (7).

4. A leak-proof seal for mechanical servicing, as set forth in claim 1, wherein: the inside of connector (9) is provided with activity pipe (12), the top of activity pipe (12) is provided with third sealing washer (13), third sealing washer (13) correspond each other with the bottom of assisting pipe (7).

5. A leak-proof seal for mechanical servicing, as set forth in claim 4, wherein: the outside of activity pipe (12) bottom is inlayed and is equipped with fourth sealing washer (17), the outside of fourth sealing washer (17) is laminated each other with the inner wall of connector (9).

6. A leak-proof seal for mechanical servicing, as set forth in claim 1, wherein: spacing spout has been seted up to the inside of connector (9), the inside cover of spacing spout is equipped with limit slide (16), the top fixedly connected with direction slide bar (14) of limit slide (16), just the top of direction slide bar (14) and the bottom fixed connection of movable tube (12).

7. A leak-proof seal for mechanical servicing, as set forth in claim 6, wherein: the guide sliding rod (14) is sleeved with a fastening spring (15), the top end of the fastening spring (15) is fixedly connected with the bottom end of the movable pipe (12), and the bottom end of the fastening spring (15) is fixedly connected with the inner wall of the inner bottom end of the connector (9).

8. A leak-proof seal for mechanical servicing, as set forth in claim 1, wherein: the exhaust valve is characterized in that flanges (18) are fixedly connected to one ends of the outlet pipe (2) and the exhaust pipe (4) and two ends of the first valve (5), the connecting pipe (3) and the second valve (6), and a plurality of through holes are formed in the flanges (18).