CN214424753U - Novel air seal structure - Google Patents
Novel air seal structure Download PDFInfo
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- CN214424753U CN214424753U CN202022429247.9U CN202022429247U CN214424753U CN 214424753 U CN214424753 U CN 214424753U CN 202022429247 U CN202022429247 U CN 202022429247U CN 214424753 U CN214424753 U CN 214424753U
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- carbon ring
- water inlet
- ring sleeve
- sleeve
- ring
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Abstract
The utility model discloses a novel atmoseal structure, its characterized in that: the comb tooth sealing structure comprises a first carbon ring sleeve, a second carbon ring sleeve, a water inlet ring, a third carbon ring sleeve and a comb tooth sealing body which are sequentially arranged, wherein the first carbon ring sleeve, the second carbon ring sleeve, the water inlet ring, the third carbon ring sleeve and the comb tooth sealing body are provided with central shaft holes which are coaxially communicated, the first carbon ring sleeve and the comb tooth sealing body are respectively contacted with the left end surface and the right end surface of the water inlet ring, a cavity for accommodating the second carbon ring sleeve is arranged between the first carbon ring sleeve and the water inlet ring, a cavity for accommodating the third carbon ring sleeve is arranged between the comb tooth sealing body and the water inlet ring, the first carbon ring sleeve is provided with a first carbon ring, the second carbon ring sleeve is provided with a second carbon ring, and the third carbon ring is provided with a third carbon ring and a fourth carbon ring; the beneficial effects of the utility model include: the spindle cooling device has the advantages of simple structure, good sealing effect, good coaxiality, uniform abrasion, automatic carbon ring compensation and capability of cooling the spindle.
Description
Technical Field
The utility model relates to a seal structure field, concretely relates to novel atmoseal structure.
Background
With the development of compressor technology, the leakage prevention requirements on the main shaft and the shell are higher and higher. The leakage of gas has a considerable effect on the efficiency of the compressor, and the leakage of lubricating oil also affects the normal operation of the whole unit.
The existing sealing between the main shaft and the shell of the compressor mostly adopts mechanical sealing as a leakage-proof device. There are the following disadvantages: poor sealing performance and large eccentricity between the sealing element and the main shaft often cause uneven wear of the sealing element.
Disclosure of Invention
To the weak point among the above-mentioned prior art, the utility model provides a novel atmoseal structure, its simple structure, sealed effectual.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel gas seal structure is characterized in that: the comb tooth sealing structure comprises a first carbon ring sleeve, a second carbon ring sleeve, a water inlet ring, a third carbon ring sleeve and a comb tooth sealing body which are sequentially arranged, wherein the first carbon ring sleeve, the second carbon ring sleeve, the water inlet ring, the third carbon ring sleeve and the comb tooth sealing body are provided with central shaft holes which are coaxially communicated, the first carbon ring sleeve and the comb tooth sealing body are respectively contacted with the left end surface and the right end surface of the water inlet ring, a cavity for accommodating the second carbon ring sleeve is arranged between the first carbon ring sleeve and the water inlet ring, a cavity for accommodating the third carbon ring sleeve is arranged between the comb tooth sealing body and the water inlet ring, the first carbon ring sleeve is provided with a first carbon ring, the second carbon ring sleeve is provided with a second carbon ring, and the third carbon ring is provided with a third carbon ring and a fourth carbon ring; the water inlet ring is internally provided with a water storage cavity and is also provided with a plurality of water inlet joints communicated with the water storage cavity.
Furthermore, one side of the first carbon ring sleeve, which is close to the second carbon ring sleeve, is provided with a cylindrical cavity, the first carbon ring is arranged in the cylindrical cavity, the first carbon ring sleeve is provided with a first positioning pin, the first carbon ring is provided with a limiting groove corresponding to the first positioning pin, and the outer circumference of the first carbon ring is sleeved with a first tightening spring.
Further, the second carbon ring is sheathe in and is close to one side that the ring of intaking has cylindrical cavity, the second carbon ring set up in the cylindrical cavity, be provided with the second locating pin on the second carbon ring, have on the second carbon ring and correspond the spacing groove of second locating pin, the cover is equipped with the second and contracts the spring on the outer circumference of second carbon ring.
Furthermore, a cylindrical cavity is formed in each of the left side and the right side of the third carbon ring sleeve, the third carbon ring is located in the cylindrical cavity close to one side of the water inlet ring, a third positioning pin is arranged on the third carbon ring sleeve, a limiting groove corresponding to the third positioning pin is formed in the third carbon ring, and a third contraction spring is sleeved on the outer circumference of the third carbon ring; the fourth carbon ring is located close to the cylindrical cavity on one side of the comb tooth sealing body, a fourth positioning pin is arranged on the comb tooth sealing body, a limiting groove corresponding to the fourth positioning pin is formed in the fourth carbon ring, and a fourth locking spring is sleeved on the outer circumference of the fourth carbon ring.
Furthermore, first O-shaped sealing rings are arranged between contact surfaces of the water inlet ring and the first carbon ring sleeve and between contact surfaces of the water inlet ring and the comb sealing body.
Furthermore, a second O-shaped sealing ring is arranged at the joint of the water inlet joint and the water inlet ring.
The beneficial effects of the utility model include: the spindle cooling device has the advantages of simple structure, good sealing effect, good coaxiality, uniform abrasion, automatic carbon ring compensation and capability of cooling the spindle.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
A novel gas seal structure as shown in figure 1 is characterized in that: the comb tooth sealing device comprises a first carbon ring sleeve 6, a second carbon ring sleeve 8, a water inlet ring 10, a third carbon ring sleeve 14 and a comb tooth sealing body 13 which are arranged in sequence. The first carbon ring sleeve 6, the second carbon ring sleeve 8, the water inlet ring 10, the third carbon ring sleeve 14 and the comb tooth sealing body 13 are provided with coaxial through central shaft holes, so that good coaxiality of all sealing main parts and the main shaft is ensured. The first carbon ring sleeve 6 and the comb tooth sealing body 13 are respectively contacted with the left end face and the right end face of the water inlet ring 10, and a cavity for accommodating the second carbon ring sleeve 8 is arranged between the first carbon ring sleeve 6 and the water inlet ring 10; a cavity for accommodating a third carbon ring sleeve 14 is arranged between the comb sealing body 13 and the water inlet ring 10. A first carbon ring 4 is arranged on the first carbon ring sleeve 6; a second carbon ring 1 is arranged on the second carbon ring sleeve 8; a third carbon ring 20 and a fourth carbon ring 19 are arranged on the third carbon ring 14; a total of four carbon rings are in intimate contact with the main axis. The water inlet ring 10 is internally provided with a water storage cavity which can cool the spindle. The water inlet ring 10 is also provided with a plurality of water inlet joints 12 communicated with the water storage cavity.
In this embodiment, a side of the first carbon ring sleeve 6 close to the second carbon ring sleeve 8 has a cylindrical cavity, and the first carbon ring 4 is disposed in the cylindrical cavity. Be provided with first locating pin 3 on the first carbon ring cover 6, have on the first carbocycle 4 and correspond the spacing groove of first locating pin 3, convenient location installation when installing first carbocycle 4 guarantees the axiality of carbocycle. The carbon rings in the embodiment are formed by staggering a plurality of split arc-shaped carbon blocks. The outer circumference of the first carbon ring 4 is sleeved with a first contraction spring 5, so that the first carbon ring 4 is automatically contracted towards the center by the acting force of the first locking spring 5 after the first carbon ring 4 is worn, and the abrasion loss is compensated.
Similar with first carbon ring cover 6's structure, be close to on the second carbon ring cover 8 one side of intaking ring 10 has cylindrical cavity, second carbocycle 1 set up in the cylindrical cavity, be provided with second locating pin 2 on the second carbon ring cover 8, have on the second carbocycle 1 and correspond the spacing groove of second locating pin 2, the cover is equipped with second crimple spring 7 on the outer circumference of second carbocycle 1. The function is the same as for the first carbocyclic ring 4.
Particularly, the third carbon ring sleeve 14 in this embodiment has cylindrical cavities on both left and right sides, wherein the third carbon ring 20 is located in the cylindrical cavity on the side close to the water inlet ring 10, the third carbon ring sleeve 14 is provided with a third positioning pin 18, the third carbon ring 20 has a limiting groove corresponding to the third positioning pin 18, and the outer circumference of the third carbon ring 20 is sleeved with a third contraction spring 15; the fourth carbon ring 19 is located in a cylindrical concave cavity close to one side of the comb tooth sealing body 13, a fourth positioning pin 17 is arranged on the comb tooth sealing body 13, a limiting groove corresponding to the fourth positioning pin 17 is formed in the fourth carbon ring 19, and a fourth locking spring 16 is sleeved on the outer circumference of the fourth carbon ring 19.
In order to ensure the sealing effect of the connecting surface, first O-shaped sealing rings 9 are arranged between the contact surfaces of the water inlet ring 10 and the first carbon ring sleeve 6 and between the contact surfaces of the water inlet ring 10 and the comb sealing body 13. And a second O-shaped sealing ring 11 is arranged at the joint of the water inlet joint 12 and the water inlet ring 10.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. A novel gas seal structure is characterized in that: comprises a first carbon ring sleeve (6), a second carbon ring sleeve (8), a water inlet ring (10), a third carbon ring sleeve (14) and a comb sealing body (13) which are sequentially arranged, wherein the first carbon ring sleeve (6), the second carbon ring sleeve (8), the water inlet ring (10), the third carbon ring sleeve (14) and the comb sealing body (13) are provided with central shaft holes which are coaxially communicated, the first carbon ring sleeve (6) and the comb sealing body (13) are respectively contacted with the left end surface and the right end surface of the water inlet ring (10), a cavity for accommodating the second carbon ring sleeve (8) is arranged between the first carbon ring sleeve (6) and the water inlet ring (10), a cavity for accommodating the third carbon ring sleeve (14) is arranged between the comb teeth (13) and the water inlet ring (10), a first carbon ring (4) is arranged on the first carbon ring sleeve (6), and a second carbon ring (1) is arranged on the second carbon ring sleeve (8), a third carbon ring (20) and a fourth carbon ring (19) are arranged on the third carbon ring sleeve (14); the water inlet ring (10) is internally provided with a water storage cavity, and the water inlet ring (10) is also provided with a plurality of water inlet joints (12) communicated with the water storage cavity.
2. The novel gas seal structure of claim 1, wherein: be close to on first carbon ring cover (6) one side of second carbon ring cover (8) has cylindrical cavity, first carbocycle (4) set up in the cylindrical cavity, be provided with first locating pin (3) on first carbon ring cover (6), have on first carbocycle (4) and correspond the spacing groove of first locating pin (3), the cover is equipped with first crimple spring (5) on the outer circumference of first carbocycle (4).
3. The novel gas seal structure of claim 1, wherein: be close to on second carbon ring cover (8) one side of intaking ring (10) has cylindrical cavity, second carbocycle (1) set up in the cylindrical cavity, be provided with second locating pin (2) on second carbon ring cover (8), have on second carbocycle (1) and correspond the spacing groove of second locating pin (2), the cover is equipped with second crimple spring (7) on the outer circumference of second carbocycle (1).
4. The novel gas seal structure of claim 1, wherein: the left side and the right side of the third carbon ring sleeve (14) are respectively provided with a cylindrical cavity, the third carbon ring (20) is positioned in the cylindrical cavity close to one side of the water inlet ring (10), the third carbon ring sleeve (14) is provided with a third positioning pin (18), the third carbon ring (20) is provided with a limiting groove corresponding to the third positioning pin (18), and the outer circumference of the third carbon ring (20) is sleeved with a third contraction spring (15); fourth carbocycle (19) are located and are close to the cylindrical cavity of broach seal (13) one side be provided with fourth locating pin (17) on broach seal (13), have on fourth carbocycle (19) and correspond the spacing groove of fourth locating pin (17), the cover is equipped with fourth locking spring (16) on the outer circumference of fourth carbocycle (19).
5. The novel gas seal structure of claim 1, wherein: and first O-shaped sealing rings (9) are arranged between the contact surfaces of the water inlet ring (10) and the first carbon ring sleeve (6) and between the contact surfaces of the water inlet ring (10) and the comb sealing body (13).
6. The novel gas seal structure of claim 1, wherein: and a second O-shaped sealing ring (11) is arranged at the joint of the water inlet joint (12) and the water inlet ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429247.9U CN214424753U (en) | 2020-10-27 | 2020-10-27 | Novel air seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429247.9U CN214424753U (en) | 2020-10-27 | 2020-10-27 | Novel air seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214424753U true CN214424753U (en) | 2021-10-19 |
Family
ID=78059396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022429247.9U Active CN214424753U (en) | 2020-10-27 | 2020-10-27 | Novel air seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214424753U (en) |
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2020
- 2020-10-27 CN CN202022429247.9U patent/CN214424753U/en active Active
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