CN210623564U - Spring pressing rotary sealing mechanism - Google Patents
Spring pressing rotary sealing mechanism Download PDFInfo
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- CN210623564U CN210623564U CN201921722132.XU CN201921722132U CN210623564U CN 210623564 U CN210623564 U CN 210623564U CN 201921722132 U CN201921722132 U CN 201921722132U CN 210623564 U CN210623564 U CN 210623564U
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Abstract
The utility model relates to a sealing mechanism, specific spring-loaded rotary seal mechanism that says so belongs to mechanical seal technical field. It includes barrel, flange, mounting flange, solid fixed ring, precompression subassembly and flexible sack, characterized by: the outer surface of the cylinder body is welded with an installation flange, and the left side of the connection flange is connected with a rotary joint; the right side of the connecting flange is fixedly connected with a fixing ring, the mounting flange and the connecting flange are connected through a pre-compression assembly, and the front end of the pre-compression assembly extends into the fixing ring and compresses the right end face of the connecting flange; the utility model has simple, compact and reasonable structure, improves the rotary sealing performance, avoids the air leakage phenomenon caused by rotation, and ensures that the equipment can continuously work for a long time; low working noise and long service life.
Description
Technical Field
The utility model relates to a sealing mechanism, specific spring-loaded rotary seal mechanism that says so belongs to mechanical seal technical field.
Background
At present, a kiln body sealing device of a domestic kiln mainly has five structures:
1. the fish scale sealing structure is simple and convenient to mount and maintain, has good sealing performance, but has large clearance and poor gas sealing effect, and cannot solve the problem that a cylinder body is deformed by heating;
2. the cylinder type sealing structure has better sealing effect, but is troublesome to maintain at the later stage, has certain requirements on external equipment and cannot solve the problem of thermal deformation of the cylinder body;
3. the graphite block sealing structure has a good sealing effect, but cannot solve the problem that the cylinder body deforms under heat;
4. the labyrinth seal structure has higher requirements on equipment and cannot solve the problem of thermal deformation of the cylinder;
5. the baffle type sealing structure has troublesome later maintenance, has certain requirements on external equipment, and cannot solve the influence of thermal deformation of the cylinder body. In summary, the current domestic sealing devices cannot solve the problems of friction, shaking, even blocking and the like caused by thermal deformation of the cylinder body.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned weak point to a spring compresses tightly rotary seal mechanism has improved rotary seal performance, has avoided the gas leakage phenomenon because of the rotation causes, has guaranteed that equipment can long-term continuous operation.
According to the technical scheme provided by the utility model, spring-loaded rotary seal mechanism includes barrel, flange, mounting flange, solid fixed ring, pre-compaction subassembly and flexible sack, characterized by: the outer surface of the cylinder body is welded with an installation flange, and the left side of the connection flange is connected with a rotary joint; the right side of the connecting flange is fixedly connected with a fixing ring, the mounting flange and the connecting flange are connected through a pre-compression assembly, and the front end of the pre-compression assembly extends into the fixing ring and compresses the right end face of the connecting flange;
the pre-compression assembly comprises a spring, a guide shaft, a guide fixing block, a guide telescopic block and a compression block, the guide fixing block is fixed on the right end face of the connecting flange, the left end of the compression block is fixedly connected with a plurality of guide telescopic blocks, and the front end of each guide telescopic block contacts with the guide fixing block; the right end face of the pressing block is fixedly connected with the left end of a guide shaft, and the right end of the guide shaft penetrates through and is in sliding connection with the mounting flange; a spring mounting groove is formed in the guide shaft, a spring is sleeved on the spring mounting groove, and the front end and the rear end of the spring respectively prop against the front end face of the spring mounting groove and the left end face of the mounting flange; the cylinder body is sleeved with a telescopic cloth bag, and the front end and the rear end of the telescopic cloth bag are respectively connected with a guide telescopic block and a mounting flange of the pre-compression assembly.
Furthermore, a guide ring groove is formed in the guide fixing block, the guide telescopic block extends into the guide ring groove and can slide back and forth along the guide ring groove, and the guide telescopic block and the guide fixing block can rotate in the circumferential direction through the guide ring groove.
Compared with the prior art, the utility model has the advantages that:
the utility model has simple, compact and reasonable structure, improves the rotary sealing performance, avoids the air leakage phenomenon caused by rotation, and ensures that the equipment can continuously work for a long time; low working noise and long service life.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Description of reference numerals: 1-cylinder, 2-connecting flange, 3-mounting flange, 4-fixing ring, 5-spring, 6-guide shaft, 7-guide fixing block, 8-guide telescopic block, 9-compressing block and 10-telescopic cloth bag.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1-2, the utility model discloses mainly include barrel 1, flange 2, mounting flange 3, solid fixed ring 4, pre-compaction subassembly and flexible sack 10, 1 outer surface welding mounting flange 3 of barrel, rotary joint is connected on 2 left sides of flange.
The right side of the connecting flange 2 is fixedly connected with a fixing ring 4, the mounting flange 3 and the connecting flange 2 are connected through a pre-compression assembly, and the front end of the pre-compression assembly extends into the fixing ring 4 and presses the right end face of the connecting flange 2.
The pre-compression assembly comprises a spring 5, a guide shaft 6, a guide fixing block 7, a guide telescopic block 8 and a pressing block 9, the guide fixing block 7 is fixed on the right end face of the connecting flange 2, the left end of the pressing block 9 is fixedly connected with the guide telescopic blocks 8, and the front end of the guide telescopic block 8 contacts with the guide fixing block 7.
Be equipped with the direction annular on the direction fixed block 7, the flexible piece 8 of direction stretches into in the direction annular and can slide around the direction annular, can follow the circumferencial direction and rotate each other through the direction annular between the flexible piece 8 of direction and the direction fixed block 7.
The right end face of the pressing block 9 is fixedly connected with the left end of the guide shaft 6, and the right end of the guide shaft 6 penetrates through the mounting flange 3 and is in sliding connection with the mounting flange 3. Be equipped with spring mounting groove on the guiding axle 6, the cover dress spring 5 on the spring mounting groove, terminal surface and the 3 left end faces of mounting flange before the tight spring mounting groove of spring 5 front and back end difference top.
A telescopic cloth bag 10 is sleeved outside the cylinder body 1, and the front end and the rear end of the telescopic cloth bag 10 are respectively connected with a guide telescopic block 8 of a pre-compression assembly and an installation flange 3.
The utility model discloses a theory of operation is: when the connecting flange is used, the pressing block 9 is pressed to the guide telescopic block 8 through the pressure of the spring, and the guide telescopic block 8 presses the connecting flange 2 after entering the guide groove of the guide fixed block 7. When the rotary joint drives the connecting flange to rotate, the guide telescopic block 8 and the guide fixed block 7 rotate mutually, and finally, the rotary seal between the cylinder and the rotary joint is realized. When the barrel body is heated and deformed, the pre-pressing assembly can always keep the pressing seal between the rotary joint and the barrel body.
The utility model has simple, compact and reasonable structure, improves the rotary sealing performance, avoids the air leakage phenomenon caused by rotation, and ensures that the equipment can continuously work for a long time; low working noise and long service life.
Claims (2)
1. The utility model provides a spring compresses tightly rotary seal mechanism, includes barrel (1), flange (2), mounting flange (3), solid fixed ring (4), pre-compaction subassembly and flexible sack (10), characterized by: the outer surface of the cylinder body (1) is welded with an installation flange (3), and the left side of the connection flange (2) is connected with a rotary joint; the right side of the connecting flange (2) is fixedly connected with a fixing ring (4), the mounting flange (3) and the connecting flange (2) are connected through a pre-compression assembly, and the front end of the pre-compression assembly extends into the fixing ring (4) and presses the right end face of the connecting flange (2);
the pre-compression assembly comprises a spring (5), a guide shaft (6), a guide fixing block (7), a guide telescopic block (8) and a compression block (9), the guide fixing block (7) is fixed on the right end face of the connecting flange (2), the left end of the compression block (9) is fixedly connected with a plurality of guide telescopic blocks (8), and the front end of each guide telescopic block (8) is in contact with the guide fixing block (7); the right end face of the pressing block (9) is fixedly connected with the left end of the guide shaft (6), and the right end of the guide shaft (6) penetrates through the mounting flange (3) and is in sliding connection with the mounting flange (3); a spring mounting groove is formed in the guide shaft (6), a spring (5) is sleeved on the spring mounting groove, and the front end and the rear end of the spring (5) respectively support against the front end face of the spring mounting groove and the left end face of the mounting flange (3); a telescopic cloth bag (10) is sleeved outside the cylinder body (1), and the front end and the rear end of the telescopic cloth bag (10) are respectively connected with a guide telescopic block (8) and an installation flange (3) of the pre-compression assembly.
2. The spring loaded rotary seal mechanism of claim 1 wherein: be equipped with the direction annular on direction fixed block (7), the flexible piece of direction (8) stretch into in the direction annular and can slide around the direction annular, can follow the circumferencial direction and rotate each other through the direction annular between flexible piece of direction (8) and the direction fixed block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722132.XU CN210623564U (en) | 2019-10-15 | 2019-10-15 | Spring pressing rotary sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722132.XU CN210623564U (en) | 2019-10-15 | 2019-10-15 | Spring pressing rotary sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623564U true CN210623564U (en) | 2020-05-26 |
Family
ID=70759644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921722132.XU Active CN210623564U (en) | 2019-10-15 | 2019-10-15 | Spring pressing rotary sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623564U (en) |
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2019
- 2019-10-15 CN CN201921722132.XU patent/CN210623564U/en active Active
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