CN212718495U - Pipeline sealing device of power plant boiler - Google Patents
Pipeline sealing device of power plant boiler Download PDFInfo
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- CN212718495U CN212718495U CN202020697304.9U CN202020697304U CN212718495U CN 212718495 U CN212718495 U CN 212718495U CN 202020697304 U CN202020697304 U CN 202020697304U CN 212718495 U CN212718495 U CN 212718495U
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- connecting sleeve
- sleeve
- sliding
- fixedly connected
- power plant
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Abstract
The utility model discloses a pipeline sealing device of a power plant boiler, which comprises a connecting sleeve, wherein the outer surface of the connecting sleeve is provided with a through hole, a sliding sleeve is clamped in the through hole, two pipelines are arranged in the connecting sleeve, the outer surfaces of the two pipelines and the two sides of the inner surface of the connecting sleeve are fixedly connected with sealing rings, the opposite surfaces of the two sealing rings are lapped and sleeved on a bearing on the outer surface of the pipeline, the bearing is clamped on an external thread sleeve on the outer surface of the bearing, an internal thread fixedly connected on the inner surface of the connecting sleeve is in threaded connection with the outer surface of the external thread sleeve, four grooves arranged on the outer surface of the external thread sleeve correspond to the through hole of the connecting sleeve; the top end of the sliding rod is fixedly connected with a pulling device, and the bottom surface of the pulling device is fixedly connected with the top surface of the sliding sleeve through a spring arranged on the top surface of the sliding rod. The utility model discloses a device leakproofness is fine, and it is very convenient when the installation is dismantled.
Description
Technical Field
The utility model belongs to the technical field of the boiler pipeline, more specifically says, the utility model relates to a power boiler's pipe-line sealing device.
Background
The boiler is at the in-process that uses, can use the pipeline to carry the medium usually, connection between present pipeline is flange joint or welding usually, the welding is difficult to dismantle, and flange joint fixes respectively on a ring flange with the tip of the pipeline that needs to connect earlier usually, the installation is sealed to fill up between two ring flanges, then link together two ring flanges through a plurality of bolts, flange joint's sealed form is face seal, face seal's sealed effect is relatively poor, and flange joint need bore and join in marriage bolt hole and construction bolt, and required bolt's quantity is more, make flange joint complex operation, it is comparatively complicated, the manual labor intensity has been increased, thereby inconvenient staff's work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a pipeline sealing device of a power plant boiler, which avoids using flange connection and adopts a sealing ring for sealing, has better sealing effect and is very convenient to disassemble; unlike flange joint complex operation when piping erection, the utility model discloses labour saving and time saving more during the installation.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the connecting sleeve comprises a connecting sleeve, wherein a through hole is formed in the outer surface of the connecting sleeve, a sliding sleeve is arranged and clamped in the through hole, two pipelines are arranged in the connecting sleeve, sealing rings are fixedly connected to the outer surfaces of the two pipelines and the two sides of the inner surface of the connecting sleeve, opposite surfaces of the two sealing rings are in lap joint, a bearing is arranged on the outer surface of the pipeline in a sleeved mode, an external thread sleeve is arranged and clamped on the outer surface of the bearing, an internal thread fixedly arranged on the inner surface of the connecting sleeve is in threaded connection with the outer surface of the external thread sleeve, four grooves formed in the outer surface of the external thread; the top end of the sliding rod is fixedly connected with a pulling device, and the bottom surface of the pulling device is fixedly connected with the top of the sliding sleeve through a spring arranged at the top of the sliding rod. The pulling device comprises an arc-shaped handle of which the bottom surface is fixedly connected with a fixed block, and the bottom surface of the fixed block is fixedly connected with the top ends of the spring and the sliding rod respectively.
The bottom of slide bar sets up to the inclined plane, the recess position of external screw thread cover surface corresponds and sets up the inclined plane that can meet.
The sealing ring forms radial and axial double-channel sealing through radial interference fit extrusion and axial pre-compression.
The outer surface joint of external screw thread cover has the twist grip.
The connecting sleeve is characterized in that sliding grooves are formed in two sides of the through hole of the connecting sleeve, sliding blocks in sliding connection are arranged in the sliding grooves, the sliding blocks on two sides of the through hole are fixedly connected through a concave plate, the sliding blocks and the sliding grooves are T-shaped, the length of the inner surface of the concave plate is smaller than that of the fixed block, and the length of the inner surface of the concave plate is larger than the width of the spring.
By adopting the technical scheme, the pipeline is sealed by the sealing ring, so that flange connection is avoided, and the sealing property of the pipeline is better; the pipeline disassembly is very convenient when the pipeline problem is solved and the disassembly is needed, and only the rotating handle needs to be rotated; compared with the complex workload of flange connection, the pipeline installation device saves time and labor more.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the pipe sealing device of the present invention;
fig. 2 is an enlarged schematic view of the pipe sealing device a of the present invention;
FIG. 3 is a schematic top view of the concave plate of the present invention;
fig. 4 is a schematic top view of the external thread bushing of the present invention;
labeled as: 1. connecting sleeves; 2. a pipeline; 3. a seal ring; 4. an external thread sleeve; 5. an internal thread; 6. a bearing; 7. a groove; 8. a slide bar; 9. a pulling device; 91. a fixed block; 92. an arc-shaped grip; 10. a spring; 11. a sliding sleeve; 12. rotating the handle; 13. a concave plate; 14. a slider; 15. a chute.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain, by way of example, the shape and structure of the components, the mutual positions and connections between the components, the functions and operating principles of the components, the manufacturing process, and the operation and use method of the components, so as to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
The pipeline sealing device of the power plant boiler shown in fig. 1 comprises a connecting sleeve 1, wherein a through hole is formed in the outer surface of the connecting sleeve 1, a sliding sleeve 11 clamped in the through hole is arranged, two pipelines 2 are arranged in the connecting sleeve 1, sealing rings 3 are fixedly connected to the outer surfaces of the two pipelines 2 and the two sides of the inner surface of the connecting sleeve 1 respectively, opposite surfaces of the two sealing rings 3 are in lap joint, a bearing 6 sleeved on the outer surface of the pipeline 2 is sleeved, an external thread sleeve 4 clamped on the outer surface of the bearing 6 is arranged, an internal thread 5 fixedly connected to the inner surface of the connecting sleeve 1 is in threaded connection with the outer surface of the external thread sleeve 4, four grooves 7 formed in the outer surface of the external thread sleeve 4 correspond to the; the top end of the sliding rod 8 is fixedly connected with a pulling device 9, and the bottom surface of the pulling device 9 is fixedly connected with the top surface of a sliding sleeve 11 through a spring 10 arranged on the top surface of the sliding rod 8.
The pulling device 9 comprises an arc-shaped handle 92 with a fixed block 91 fixedly connected to the bottom surface, and the bottom surface of the fixed block 91 is fixedly connected to the spring 10 and the top end of the sliding rod 8 respectively.
The bottom end of the sliding rod 8 is provided with an inclined plane, and the position of the groove 7 on the outer surface of the external thread sleeve 4 is correspondingly provided with a connectable inclined plane.
The sealing ring 3 forms radial and axial double-channel sealing through radial interference fit extrusion and axial pre-compression, and the sealing reliability of the pipeline 2 can be better ensured.
The outer surface of the external thread sleeve 4 is clamped with a rotary handle 12. Through setting up rotatory handle 12, and rotatory handle 12 can provide the application of force point for the staff, thereby make things convenient for the staff to rotate the work of external screw thread cover 4 more, the opposite face overlap joint of two sealing washers 3, the surface of pipeline 2 has cup jointed bearing 6, through setting up bearing 6, make external screw thread cover 4 can carry out stable rotation work outside bearing 6, the rotation of pipeline 2 has been avoided simultaneously, the use of staff has been made things convenient for, the surface joint of bearing 6 has external screw thread cover 4. The outer surface of the external thread sleeve 4 is in threaded connection with an internal thread 5, the internal thread 5 is fixedly connected to the inner surface of the connecting sleeve 1, the outer surface of the external thread sleeve 4 is provided with four grooves 7, the grooves 7 are arranged, so that a fixed point is provided for a slide rod 8, a slide rod 8 is arranged in each groove 7, the bottom end of the slide rod 8 is arranged to be an inclined plane, one end of the external thread sleeve 4 is arranged to be an inclined plane, the bottom end of the slide rod 8 and one end of the external thread sleeve 4 are both arranged to be inclined planes, so that the inclined plane of the slide rod 8 can be extruded through the inclined plane during the screwing-in process of the external thread sleeve 4, the slide rod 8 is far away from the external thread sleeve 4, the manual operation of a worker is not needed during the screwing-in process, the operation process is, and arc handle 92 can be the application of force point that the staff provided, thereby make things convenient for staff's operation to use more, arc handle 92's lower fixed surface is connected with fixed block 91, the lower surface of fixed block 91 respectively with the top fixed connection of spring 10 and slide bar 8, through setting up spring 10, and spring 10 can utilize self pulling force to drive slide bar 8 card go into in the recess 7, thereby be convenient for fix the position of external thread cover 4, avoid it the not hard up condition to appear, thereby can be better the leakproofness of assurance pipeline 2 connection, the lower surface of pulling device 9 passes through the upper surface fixed connection of spring 10 with sliding sleeve 11, through setting up sliding sleeve 11, thereby can guarantee the work of slide bar 8 steady gliding, sliding sleeve 11 and spring 10 all cup joint at the surface of slide bar 8, sliding sleeve 11 joint is at the upper surface of adapter sleeve 1.
The connecting sleeve 1 is provided with sliding grooves 15 on two sides of the surface of the through hole, sliding blocks 14 are connected in the sliding grooves 15 in a sliding mode, the two sliding blocks 14 are fixedly connected through a concave plate 13, through the arrangement of the sliding blocks 14 and the concave plate 13, when a pull handle 92 is pulled to move upwards to a proper position, a worker moves the concave plate 13 to the position below the fixed block 91 through the sliding blocks 14, so that the fixed block 91 is convenient to support, the elastic reset of a spring 10 is avoided, the pipeline 2 is more convenient for the worker to detach, the length of the inner surface of the concave plate 13 is smaller than that of the fixed block 91, the length of the inner surface of the concave plate 13 is larger than that of the spring 10, through setting the length of the inner surface of the concave plate 13 to be smaller than that of the fixed block 91 and larger than that of the spring 10, the concave plate 13 can be guaranteed to, the shape of slider 14 and spout 15 all sets up to the T shape, through setting up slider 14 and spout 15, and the shape of slider 14 and spout 15 all sets up to the T shape for slider 14 can be in spout 15 steady slip, avoids slider 14 to break away from the problem of spout 15, thereby can guarantee that concave plate 13 removes more steadily.
By adopting the technical scheme, the pipeline is sealed by the sealing ring, so that flange connection is avoided, and the sealing property of the pipeline is better; the pipeline disassembly is very convenient when the pipeline problem is solved and the disassembly is needed, and only the rotating handle needs to be rotated; compared with the complex workload of flange connection, the pipeline installation device saves time and labor more.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (6)
1. The utility model provides a pipeline sealing device of power boiler which characterized in that: the connecting sleeve comprises a connecting sleeve, wherein a through hole is formed in the outer surface of the connecting sleeve, a sliding sleeve is arranged and clamped in the through hole, two pipelines are arranged in the connecting sleeve, sealing rings are fixedly connected to the outer surfaces of the two pipelines and the two sides of the inner surface of the connecting sleeve, opposite surfaces of the two sealing rings are in lap joint, a bearing is arranged on the outer surface of the pipeline in a sleeved mode, an external thread sleeve is arranged and clamped on the outer surface of the bearing, an internal thread fixedly arranged on the inner surface of the connecting sleeve is in threaded connection with the outer surface of the external thread sleeve, four grooves formed in the outer surface of the external thread;
the top end of the sliding rod is fixedly connected with a pulling device, and the bottom surface of the pulling device is fixedly connected with the top of the sliding sleeve through a spring arranged at the top of the sliding rod.
2. A power plant boiler tube sealing device in accordance with claim 1, wherein: the pulling device comprises an arc-shaped handle of which the bottom surface is fixedly connected with a fixed block, and the bottom surface of the fixed block is fixedly connected with the top ends of the spring and the sliding rod respectively.
3. A power plant boiler tube sealing device in accordance with claim 1, wherein: the bottom of slide bar sets up to the inclined plane, the recess position of external screw thread cover surface corresponds and sets up the inclined plane that can meet.
4. A power plant boiler tube sealing device in accordance with claim 1, wherein: the sealing ring forms radial and axial double-channel sealing through radial interference fit extrusion and axial pre-compression.
5. A power plant boiler tube sealing device in accordance with claim 1, wherein: the outer surface joint of external screw thread cover has the twist grip.
6. A power plant boiler tube sealing device in accordance with claim 1, wherein: the connecting sleeve is characterized in that sliding grooves are formed in two sides of the through hole of the connecting sleeve, sliding blocks in sliding connection are arranged in the sliding grooves, the sliding blocks on two sides of the through hole are fixedly connected through a concave plate, the sliding blocks and the sliding grooves are T-shaped, the length of the inner surface of the concave plate is smaller than that of the fixed block, and the length of the inner surface of the concave plate is larger than the width of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697304.9U CN212718495U (en) | 2020-04-30 | 2020-04-30 | Pipeline sealing device of power plant boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697304.9U CN212718495U (en) | 2020-04-30 | 2020-04-30 | Pipeline sealing device of power plant boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718495U true CN212718495U (en) | 2021-03-16 |
Family
ID=74944124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020697304.9U Active CN212718495U (en) | 2020-04-30 | 2020-04-30 | Pipeline sealing device of power plant boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212718495U (en) |
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2020
- 2020-04-30 CN CN202020697304.9U patent/CN212718495U/en active Active
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