CN213332712U - Shaft sealing structure of plug-in type thermal regulation door - Google Patents
Shaft sealing structure of plug-in type thermal regulation door Download PDFInfo
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- CN213332712U CN213332712U CN202021982893.1U CN202021982893U CN213332712U CN 213332712 U CN213332712 U CN 213332712U CN 202021982893 U CN202021982893 U CN 202021982893U CN 213332712 U CN213332712 U CN 213332712U
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- gland
- door
- bayonet
- seal
- hinge
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Abstract
The utility model discloses an axle seal structure of bayonet thermal regulation door, including the door-hinge, the upper end of door-hinge is equipped with the seal chamber, is equipped with the packing between seal chamber inboard and door-hinge, establishes packing gland at packing below cover, still overlaps to be equipped with copper alloy labyrinth seal on the door-hinge, copper alloy labyrinth seal is located packing gland below, the cover is equipped with high temperature resistant flexible seal between copper alloy labyrinth seal's lower extreme inboard and door-hinge, the cover is equipped with bayonet gland one below copper alloy labyrinth seal, is equipped with bayonet gland two at the downside of bayonet gland one the lateral surface of seal chamber be equipped with the steel ear, bayonet gland two be connected through the long screw with the steel ear. The utility model discloses use copper alloy labyrinth seal to assist with high temperature resistant flexible seal, through fast-assembling gland combination, thoroughly eliminated gas leakage ash leakage phenomenon, install in former root gland outside, do not change former sealed, the installation is maintained conveniently, and bayonet gland dismouting is simple, saves labour laborsaving.
Description
Technical Field
The utility model relates to an axle seal structure technical field especially relates to an axle seal structure of bayonet heat transfer door.
Background
The gas and powder transmission pipelines of the thermal power plant are various, and the magnitude and the shutdown of the gas flow are adjusted at any time according to the magnitude of the generated energy and the magnitude of the load. So as to achieve the purpose of energy saving and consumption reduction.
A flap door is adopted for the convenience of electric control. The door shaft sealing form of the flap door generally adopts a sealing chamber, packing is installed in the chamber, and then a gland is used for compressing. When the flap gate is adjusted or opened, the gate shaft not only rotates, but also slightly moves radially. The packing has no elasticity, and a gap is generated after grinding, so that gas and dust leakage cannot be compensated timely. Because high-temperature and high-pressure gas in the pipeline cannot be maintained at ordinary times, the high-temperature and high-pressure gas can be maintained only when the pipeline is shut down and the gas is stopped, energy waste is caused, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a shaft seal structure of bayonet heat transfer door.
The utility model discloses a realize through following technical scheme:
the utility model provides an axle seal structure of bayonet thermal regulation door, including the door-hinge, the upper end of door-hinge is equipped with the seal chamber, is equipped with the packing between seal chamber inboard and door-hinge, establishes the packing gland at the packing below cover, still overlaps to be equipped with copper alloy labyrinth on the door-hinge, and copper alloy labyrinth is located packing gland below, overlaps to be equipped with high temperature resistant flexible seal between copper alloy labyrinth's lower extreme inboard and door-hinge, overlaps to be equipped with bayonet gland one below copper alloy labyrinth, is equipped with bayonet gland two at the downside of bayonet gland one the lateral surface of seal chamber be equipped with the steel ear, bayonet gland two be connected through the long screw with the steel ear.
And a cutting sleeve is sleeved on the outer side of the lower part of the copper alloy labyrinth seal.
The packing gland is fixedly connected with the lower end of the sealing chamber through a bolt.
The first plug-in gland comprises a first circular gland ring, a first central hole for a door shaft to penetrate through is formed in the center of the first circular gland ring, the first circular gland ring is split into a left semicircular gland ring and a right semicircular gland ring from the middle of the first circular gland ring, the splitting line is a concave-convex arc line, and a convex part of the left semicircular gland ring and a convex part of the right semicircular gland ring are inserted into a concave part to form a complete first circular gland ring.
The plug-in gland II comprises a circular gland ring II, a central hole II for a door shaft to penetrate through is formed in the center of the circular gland ring II, a notch with the width equal to the diameter of the central hole II is formed in the circular gland ring II, the notch is communicated with the central hole II, and a plurality of bolt holes are formed in the circular gland ring II.
The convex part and the concave part of the left semicircular gland ring and the right semicircular gland ring are respectively a three-quarter circular bump and a three-quarter circular groove.
The utility model has the advantages that: the utility model discloses use copper alloy labyrinth seal to assist with high temperature resistant flexible seal, through fast-assembling gland combination, thoroughly eliminated gas leakage ash leakage phenomenon, install in former root gland outside, do not change former sealed, the installation is maintained conveniently, and bayonet gland dismouting is simple, saves labour laborsaving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the plug-in gland of the present invention.
Fig. 3 is a schematic view of the structure of the plug-in gland of the present invention.
Detailed Description
As shown in fig. 1, a shaft seal structure of bayonet thermal control door, including door-hinge 1, the upper end of door-hinge 1 is equipped with seal chamber 2, be equipped with packing 3 between 2 inboard and door-hinge 1 in seal chamber, set up packing gland 4 below packing 3 cover, packing is sealed for original sealed, still the cover is equipped with copper alloy labyrinth seal 5 on door-hinge 1, copper alloy labyrinth seal 5 is located packing gland 4 below, the cover is equipped with high temperature resistant flexible seal 6 between lower extreme inboard of copper alloy labyrinth seal 5 and door-hinge 1, the cover is equipped with bayonet gland 7 below copper alloy labyrinth seal 5, be equipped with bayonet gland two 8 at the downside of bayonet gland one 7 the lateral surface of seal chamber 2 be equipped with steel ear 9, bayonet gland two 8 be connected through long screw 10 with steel ear 9. And the plug-in gland II 8 is pressed against the plug-in gland I7, the high-temperature-resistant flexible seal 6 and the copper alloy labyrinth seal 5 through the long screw 10. The high temperature resistant flexible packing is ceramic packing.
The cutting sleeve 11 is sleeved on the outer side of the lower part of the copper alloy labyrinth seal 5, so that the high-temperature resistant flexible seal 6 is clamped on the lower part of the copper alloy labyrinth seal 5.
And the packing gland 4 is fixedly connected with the lower end of the sealing chamber 2 through a bolt.
As shown in fig. 2, the first insertion-type gland 7 comprises a first circular gland ring, a central hole 7-1 for a door shaft to pass through is formed in the center of the first circular gland ring, the first circular gland ring is cut into a left semicircular gland ring 7-2 and a right semicircular gland ring 7-3 from the middle of the first circular gland ring, a cutting line 7-4 is a concave-convex arc line, and a convex part 7-5 of the left semicircular gland ring and a convex part 7-5 of the right semicircular gland ring are inserted into a concave part 7-6 to form a complete first circular gland ring. The front and the back are pushed apart to form two semi-circles which are a whole circle together and made of copper or steel.
As shown in figure 3, the plug-in gland II 8 comprises a circular gland ring II 8-1, a central hole II 8-2 for a door shaft to pass through is formed in the center of the circular gland ring II 8-1, a notch 8-3 with the width equal to the diameter of the central hole II 8-2 is formed in the circular gland ring II 8-1, the notch 8-3 is communicated with the central hole II 8-2, and a plurality of bolt holes 8-4 are formed in the circular gland ring II 8-1. The gap of the circular gland ring II is inserted on the door shaft, and the long screw 10 passes through the screw hole 8-4 and is fixedly connected with the steel lug 9.
The convex part 7-5 and the concave part 7-6 of the left semicircular gland ring and the right semicircular gland ring are respectively a three-quarter circular bump and a three-quarter circular groove.
Claims (6)
1. The utility model provides a shaft seal structure of bayonet thermal regulation door, is equipped with the seal chamber including the door-hinge in the upper end of door-hinge, is equipped with the packing between seal chamber inboard and door-hinge, overlaps in the packing below and establishes packing gland, its characterized in that: still the cover is equipped with copper alloy labyrinth seal on the door-hinge, and copper alloy labyrinth seal is located packing gland below, and the cover is equipped with high temperature resistant flexible seal between copper alloy labyrinth seal's lower extreme inboard and door-hinge, and the cover is equipped with bayonet gland I below copper alloy labyrinth seal, is equipped with bayonet gland II at the downside of bayonet gland I the lateral surface of seal chamber be equipped with the steel ear, bayonet gland II pass through long screw with the steel ear and be connected.
2. The shaft seal structure of an insertion type heat regulating door according to claim 1, wherein: and a cutting sleeve is sleeved on the outer side of the lower part of the copper alloy labyrinth seal.
3. The shaft seal structure of an insertion type heat regulating door according to claim 1, wherein: the packing gland is fixedly connected with the lower end of the sealing chamber through a bolt.
4. The shaft seal structure of an insertion type heat regulating door according to claim 1, wherein: the first plug-in gland comprises a first circular gland ring, a first central hole for a door shaft to penetrate through is formed in the center of the first circular gland ring, the first circular gland ring is split into a left semicircular gland ring and a right semicircular gland ring from the middle of the first circular gland ring, the splitting line is a concave-convex arc line, and a convex part of the left semicircular gland ring and a convex part of the right semicircular gland ring are inserted into a concave part to form a complete first circular gland ring.
5. The shaft seal structure of an insertion type heat regulating door according to claim 1, wherein: the plug-in gland II comprises a circular gland ring II, a central hole II for a door shaft to penetrate through is formed in the center of the circular gland ring II, a notch with the width equal to the diameter of the central hole II is formed in the circular gland ring II, the notch is communicated with the central hole II, and a plurality of bolt holes are formed in the circular gland ring II.
6. The shaft seal structure of an insertion type heat regulating door according to claim 4, wherein: the convex part and the concave part of the left semicircular gland ring and the right semicircular gland ring are respectively a three-quarter circular bump and a three-quarter circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982893.1U CN213332712U (en) | 2020-09-11 | 2020-09-11 | Shaft sealing structure of plug-in type thermal regulation door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982893.1U CN213332712U (en) | 2020-09-11 | 2020-09-11 | Shaft sealing structure of plug-in type thermal regulation door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213332712U true CN213332712U (en) | 2021-06-01 |
Family
ID=76062450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021982893.1U Active CN213332712U (en) | 2020-09-11 | 2020-09-11 | Shaft sealing structure of plug-in type thermal regulation door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213332712U (en) |
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2020
- 2020-09-11 CN CN202021982893.1U patent/CN213332712U/en active Active
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