CN217738559U - Mechanical seal operation experimental device - Google Patents
Mechanical seal operation experimental device Download PDFInfo
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- CN217738559U CN217738559U CN202221699372.4U CN202221699372U CN217738559U CN 217738559 U CN217738559 U CN 217738559U CN 202221699372 U CN202221699372 U CN 202221699372U CN 217738559 U CN217738559 U CN 217738559U
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Abstract
The utility model discloses a mechanical seal operation experimental apparatus, include: the mechanical seal comprises a framework oil seal, a first O-shaped seal ring and a mechanical seal gland, wherein an oil seal gland is clamped and installed at the outer end of the framework oil seal, a fourth O-shaped seal ring is arranged at the inner end of the oil seal gland, a rotating shaft body is arranged at the inner ends of the framework oil seal and the oil seal gland, a first inner hexagonal socket head cap screw is in threaded connection with the inner end of the oil seal gland, a cavity is arranged at the left end of the first O-shaped seal ring, a gland body is arranged at the outer end of the first O-shaped seal ring, and a second inner hexagonal socket head cap screw is in threaded connection with the inner end of the gland body. This mechanical seal operation experimental apparatus can be to the detection of sealing performance under the unusual atress condition of mechanical seal, can be under vacuum state, does not have the length of the time of detecting mechanical seal operation under effectual cooling and lubricated effect, can realize the detection of different models and shaft footpath machine seal through changing mechanical seal gland and axle sleeve.
Description
Technical Field
The utility model relates to a mechanical seal tests relevant technical field, specifically is a mechanical seal operation experimental apparatus.
Background
The mechanical seal is a device for preventing fluid leakage, which is composed of at least one pair of devices which are perpendicular to the end face of the rotation axis, keep fit and relatively slide under the action of fluid pressure and compensation mechanism elasticity (or magnetic force) and the matching of auxiliary seal.
However, the existing mechanical seal operation experimental device is inconvenient to test and detect under the action of abnormal stress and vacuum of the mechanical seal without effective cooling and lubrication, and is inconvenient to test the mechanical seal with different types and shaft diameters, so that the mechanical seal operation experimental device is provided, and the problems in the prior art are solved conveniently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanical seal operation experimental apparatus to solve the current mechanical seal operation experimental apparatus who provides in the above-mentioned background art, inconvenient mechanical seal unusual atress, under the vacuum state, do not have effectual cooling and lubricated effect down to test and detect, inconvenient carry out the problem that detects to different models and shaft diameter machine seal.
In order to achieve the above object, the utility model provides a following technical scheme: a mechanical seal operation experiment device, comprising:
the outer end of the framework oil seal is clamped with an oil seal gland, the inner end of the oil seal gland is provided with a fourth O-shaped sealing ring, the inner ends of the framework oil seal and the oil seal gland are provided with a rotating shaft body, and the inner end of the oil seal gland is in threaded connection with a first inner hexagonal socket head cap screw;
the left end of the first O-shaped sealing ring is provided with a cavity, the outer end of the first O-shaped sealing ring is provided with a gland body, and the inner end of the gland body is in threaded connection with a second inner hexagonal socket head screw;
the mechanical seal gland is clamped and installed at the right end of the gland body, a small gland is arranged at the inner end of the mechanical seal gland, a second O-shaped sealing ring is clamped and installed between the mechanical seal gland and the small gland, and a third inner hexagonal socket head cap screw is in threaded connection with the inner end of the mechanical seal gland.
Preferably, the shaft sleeve is installed at the right end of the rotating shaft body in a clamped mode, the inner end of the shaft sleeve is connected with an inner hexagonal concave end set screw in a threaded mode, and the fifth O-shaped sealing ring is installed at the inner end of the shaft sleeve in a clamped mode.
Preferably, the outer end of the shaft sleeve is provided with a mechanical seal, and the mechanical seal is clamped and installed at the inner end of the small gland.
Preferably, the inner ends of the mechanical seal gland and the small gland are in threaded connection with a fourth inner hexagonal socket head cap screw, and the fourth inner hexagonal socket head cap screw is located on the outer side of the second O-shaped seal ring.
Preferably, the inner end of the mechanical seal gland is clamped with a third O-shaped sealing ring, and the third O-shaped sealing ring is positioned at the right end of the gland body.
Preferably, the lower end of the gland body is provided with a pressurizing hole, and the pressurizing hole is positioned on the right side of the cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the mechanical seal device is provided with an mechanical seal cover, a small gland and a shaft sleeve, wherein the mechanical seal cover and the small gland are connected to belong to a dry auxiliary structure supporting part;
2. the mechanical seal is provided with a framework oil seal and an oil seal gland, wherein the framework oil seal is arranged on the oil seal gland, forms a seal with the rotating shaft body and the oil seal gland and is used for isolating water in a cavity body so as to form a vacuum space inside the mechanical seal, and the oil seal gland is connected with the gland body to form a cavity body with an independent inner side and isolate water and air;
3. the mechanical seal is arranged at the outer end of the shaft sleeve, and a theme test part shows the installation condition of the mechanical seal under the condition of internal stress, and only the outer part of the mechanical seal in the drawing is contacted with a medium in normal use.
Drawings
FIG. 1 is a front view of the cutting structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a side view of the cutting structure of the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.
In the figure: 1. framework oil seal; 2. an oil seal gland; 3. a first socket cap head screw; 4. a first O-ring seal; 5. a gland body; 6. a second socket cap head screw; 7. a third socket cap head screw; 8. a third O-ring seal; 9. a mechanical seal gland; 10. a set screw is fastened at the concave end of the inner hexagon; 11. a shaft sleeve; 12. a fifth O-ring seal; 13. a second O-ring seal; 14. a fourth hexagon socket head cap screw; 15. a small gland; 16. mechanical sealing; 17. a fourth O-shaped sealing ring; 18. a cavity; 19. a rotating shaft body; 20. and (4) pressurizing the hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a mechanical seal operation experimental device comprises a framework oil seal 1, an oil seal gland 2, a first inner hexagonal cylindrical head screw 3, a first O-shaped sealing ring 4, a gland body 5, a second inner hexagonal cylindrical head screw 6, a third inner hexagonal cylindrical head screw 7, a third O-shaped sealing ring 8, a mechanical seal gland 9, an inner hexagonal concave end holding screw 10, a shaft sleeve 11, a fifth O-shaped sealing ring 12, a second O-shaped sealing ring 13, a fourth inner hexagonal cylindrical head screw 14, a small gland 15, a mechanical seal 16, a fourth O-shaped sealing ring 17, a cavity 18, a rotating shaft body 19 and a pressurizing hole 20, wherein when the mechanical seal operation experimental device is used, the framework oil seal 1 is installed on the oil seal gland 2 to form seal with the rotating shaft body 19 and the oil seal gland 2, and is used for isolating water in the cavity 18 to enable a space forming vacuum inside the mechanical seal 16 to be connected with the gland body 5 to form the cavity 18 forming independent inside, so as to isolate water and air, and test the operation time of the mechanical seal 16 under effective cooling and testing under vacuum;
as shown in fig. 1, 2 and 4, a first inner hexagonal socket head cap screw 3 is used for connecting an oil seal gland 2 and a gland body 5, a first O-shaped seal ring 4 is used for sealing between the gland body 5 and a cavity 18, the gland body 5 is connected with the cavity 18 and is a main structural supporting component of the device, a second inner hexagonal socket head cap screw 6 is in threaded connection with the inner ends of the cavity 18 and the gland body 5 and is used for connecting the gland body 5 and the cavity 18, and a third inner hexagonal socket head cap screw 7 is used for connecting the gland body 5 with a machine seal gland 9;
as shown in fig. 1, 2 and 4, the third O-ring 8 is used for sealing between the gland body 5 and the mechanical seal gland 9, the mechanical seal gland 9 is connected with the gland body 5 and belongs to a dry auxiliary structural support component, an experiment of the non-type mechanical seal 16 can be realized by replacing the component, the inner hexagonal concave end set screw 10 is used for connecting the rotating shaft body 19 and the shaft sleeve 11 to form power transmission between the rotating shaft body 19 and the shaft sleeve 11, the shaft sleeve 11 belongs to a dry auxiliary structural support component, and an experiment of the non-type mechanical seal 16 can be realized by replacing the component;
as shown in fig. 1, 3 and 4, a fifth O-ring 12 is used for sealing between a rotating shaft body 19 and a shaft sleeve 11, a second O-ring 13 is used for sealing between a mechanical seal cover 9 and a small press cover 15, a fourth hexagon socket head cap screw 14 is used for fixedly connecting the mechanical seal cover 9 and the small press cover 15, the small press cover 15 belongs to a dry auxiliary structure supporting component, experiments of different types of mechanical seals 16 can be realized by replacing the components, the mechanical seal 16 is a subject test component, the installation condition of the mechanical seal under the condition of internal stress is shown, normally used only for illustrating an external part contact medium, a fourth O-ring 17 is used for sealing between a press cover body 5 and an oil seal cover 2, the device utilizes an air compressor to inject air with certain pressure to the inner side through a pressurizing hole 20 to form the working state of the mechanical seal 16 under the reverse stress, the sealing performance of the mechanical seal 16 under the condition of the reverse stress is detected, a water storage position is used for ensuring the lubricating and cooling effects of the device during the remote rotation, a series of experimental operations of the mechanical seal are described above, and belongs to a series of the professional technology which is not described in the prior art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of attached drawing, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including the connected mode of circuit connection conventional among the adoption prior art, here detailed description no longer.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a mechanical seal operation experimental apparatus which characterized in that: the method comprises the following steps:
the oil seal structure comprises a framework oil seal (1), wherein an oil seal gland (2) is clamped and installed at the outer end of the framework oil seal (1), a fourth O-shaped sealing ring (17) is arranged at the inner end of the oil seal gland (2), a rotating shaft body (19) is arranged at the inner ends of the framework oil seal (1) and the oil seal gland (2), and a first inner hexagonal socket head cap screw (3) is in threaded connection with the inner end of the oil seal gland (2);
the left end of the first O-shaped sealing ring (4) is provided with a cavity (18), the outer end of the first O-shaped sealing ring (4) is provided with a gland body (5), and the inner end of the gland body (5) is in threaded connection with a second inner hexagonal socket head cap screw (6);
the mechanical seal gland comprises a mechanical seal gland body (9), the mechanical seal gland body (9) is clamped and installed at the right end of the gland body (5), a small gland (15) is arranged at the inner end of the mechanical seal gland body (9), a second O-shaped sealing ring (13) is clamped and installed between the mechanical seal gland body (9) and the small gland (15), and the inner end of the mechanical seal gland body (9) is in threaded connection with a third inner hexagonal socket head screw (7).
2. The mechanical seal operation experimental device according to claim 1, wherein: the right end block of pivot body (19) installs axle sleeve (11), the inner threaded connection of axle sleeve (11) has interior hexagonal concave end holding screw (10), fifth O shape sealing washer (12) are installed to the inner block of axle sleeve (11).
3. The mechanical seal operation experimental device according to claim 2, characterized in that: the outer end of the shaft sleeve (11) is provided with a mechanical seal (16), and the mechanical seal (16) is clamped and installed at the inner end of the small gland (15).
4. The mechanical seal operation experimental device according to claim 1, wherein: the inner ends of the machine seal gland (9) and the small gland (15) are in threaded connection with a fourth inner hexagonal socket head cap screw (14), and the fourth inner hexagonal socket head cap screw (14) is located on the outer side of the second O-shaped sealing ring (13).
5. The mechanical seal operation experimental device according to claim 1, wherein: and a third O-shaped sealing ring (8) is clamped and installed at the inner end of the mechanical seal gland (9), and the third O-shaped sealing ring (8) is positioned at the right end of the gland body (5).
6. The mechanical seal operation experimental device according to claim 1, wherein: the lower end of the gland body (5) is provided with a pressurizing hole (20), and the pressurizing hole (20) is positioned on the right side of the cavity (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221699372.4U CN217738559U (en) | 2022-07-04 | 2022-07-04 | Mechanical seal operation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221699372.4U CN217738559U (en) | 2022-07-04 | 2022-07-04 | Mechanical seal operation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217738559U true CN217738559U (en) | 2022-11-04 |
Family
ID=83843590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221699372.4U Active CN217738559U (en) | 2022-07-04 | 2022-07-04 | Mechanical seal operation experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217738559U (en) |
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2022
- 2022-07-04 CN CN202221699372.4U patent/CN217738559U/en active Active
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