CN212838551U - Mechanical seal with good floatability for chemical pump - Google Patents
Mechanical seal with good floatability for chemical pump Download PDFInfo
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- CN212838551U CN212838551U CN202021876372.8U CN202021876372U CN212838551U CN 212838551 U CN212838551 U CN 212838551U CN 202021876372 U CN202021876372 U CN 202021876372U CN 212838551 U CN212838551 U CN 212838551U
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- ring
- spring
- bellows
- mechanical seal
- chemical pump
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Abstract
The utility model discloses a mechanical seal for chemical pump that floatability is good, including quiet ring, rotating ring bellows, spring holder, solid fixed ring, quiet ring, rotating ring bellows all overlap on the chemical pump shaft, and the one end of rotating ring bellows contacts with quiet ring and constitutes a pair of friction pair, the spring housing is installed on the rotating ring bellows, and solid fixed ring installs the one end at the rotating ring bellows, is equipped with the sheath between solid fixed ring and the spring holder, and the part cover of sheath is on the spring holder, be equipped with the spring mounting hole on the spring holder, be equipped with the spring in the spring mounting hole, the one end and the sheath contact of spring, the utility model discloses be convenient for install, floatability is good, and the leakproofness is good, can reduce the friction between each part, can accomplish and the chemical pump between the.
Description
Technical Field
The utility model relates to a mechanical seal for chemical industry pump that floatability is good.
Background
The chemical pump is classified into the following application fields according to different materials:
1) the chemical pump (stainless steel material) is widely used for conveying alkaline corrosive medium in petroleum, chemical, metallurgy, synthetic fiber, pharmacy, food, synthetic fiber and other departments;
2) the chemical pump (made of fluoroplastic materials) is used for conveying any acidic and alkaline corrosive medium;
3) the chemical pump (cast iron material) is used for industrial and urban water supply and drainage, and also can be used for irrigation and drainage in farmlands and orchards for delivering clear water or clear water with similar physical and chemical properties.
Classified by the transport medium, comprising:
1) a water pump: comprises a clean water pump, a boiler feed pump, a condensate pump and a hot water pump;
2) corrosion-resistant pump: comprises a stainless steel pump, a high silicon cast iron pump, a ceramic acid-proof pump, an impermeable graphite pump, a hard rubber lining pump, a hard polyvinyl chloride pump, a shield pump, a diaphragm pump, a titanium pump and the like;
3) an impurity pump: comprises a slurry pump, a sand pump, a sewage pump, a pulverized coal pump, an ash pump and the like;
4) an oil pump: cold oil pumps, hot oil pumps, submersible pumps, slurry pumps, liquid hydrocarbon pumps, and the like.
Therefore, the chemical pump is commonly used in the existing production, and the mechanical seal of the chemical pump is very important in the use process, so the mechanical seal is the most widely used seal form in the chemical pump industry, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal in the world is the most important shaft seal form of the equipment; in the rotating process of the chemical pump shaft, the rotating shaft can shake within a certain range or interval under the influence of the impeller or the blade and the pump body, and the mechanical sealing structure can be influenced along with the long-time use of the chemical pump; meanwhile, the existing mechanical seal is generally tightly attached to a shaft in the using process, and certain space floating is completed through the reserved gaps among all parts, however, the floating property of the mode is poor, so that abrasion among all parts is easily caused, and meanwhile, different mechanical seals are needed to complete the matching among the parts aiming at different chemical pumps.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a convenient to use, easy operation, the installation of being convenient for, the floatability is good, and the leakproofness is good, can reduce the friction between each part, can accomplish and chemical industry pump between the cooperation, the chemical industry pump mechanical seal that the floatability is good that has practicality and use universality.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a mechanical seal for chemical pump that floatability is good, includes quiet ring, rotating ring bellows, spring holder, solid fixed ring, and quiet ring, rotating ring bellows all overlap on the chemical pump shaft, and the one end of rotating ring bellows contacts and constitutes a pair of friction pair with quiet ring, the spring housing is on the rotating ring bellows, and solid fixed ring installs the one end at the rotating ring bellows, is equipped with the sheath between solid fixed ring and the spring holder, and the part cover of sheath is on the spring holder, be equipped with the spring mounting hole on the spring holder, be equipped with the spring in the spring mounting hole, the one end and the sheath contact of spring.
Preferably, one end of the movable ring corrugated pipe is provided with an annular groove, and the fixed ring is fixed on the annular groove.
Preferably, the middle section of the movable ring corrugated pipe adopts a corrugated structure.
Preferably, the end of the movable ring corrugated pipe connected with the stationary ring is protruded to form an annular structure, and the inner side of the end of the spring seat connected with the movable ring corrugated pipe is provided with a concave structure matched with the annular structure.
Preferably, the fixing ring is composed of two parts, and the two parts are connected through a screw.
Preferably, the stationary ring is provided with a stationary ring gasket.
The utility model has the advantages that: convenient to use, easy operation, the installation of being convenient for, the floatability is good, and the leakproofness is good, can reduce the friction between each part, can accomplish and chemical pump between the cooperation, have practicality and the universality of use.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fixing ring of the present invention;
FIG. 3 is a schematic structural view of the movable ring bellows of the present invention;
FIG. 4 is a schematic view of the spring seat structure of the present invention;
the corrugated pipe comprises a static ring 1, a movable ring corrugated pipe 2, a spring seat 3, a protective sleeve 4, a fixed ring 5, a spring 6, a static ring gasket 7, an annular groove 8, a corrugated structure 9, a spring mounting hole 10, a concave structure 11 and an annular structure 12.
Detailed Description
With reference to fig. 1 to 4, a mechanical seal for chemical pump with good floatability is shown, including quiet ring 1, rotating ring bellows 2, spring holder 3, solid fixed ring 5, quiet ring 1, rotating ring bellows 2 all overlap on the chemical pump shaft, and the one end of rotating ring bellows 2 contacts with quiet ring 1 and constitutes a pair of friction pair, spring holder 3 overlaps on rotating ring bellows 2, and solid fixed ring 5 installs the one end at rotating ring bellows 2, is equipped with sheath 4 between solid fixed ring 5 and the spring holder 3, and the part cover of sheath 4 is on spring holder 3, be equipped with spring mounting hole 10 on the spring holder 3, be equipped with spring 6 in the spring mounting hole 10, the one end and the sheath 4 contact of spring 6.
Furthermore, one end of the movable ring corrugated pipe 2 is provided with an annular groove 8, and the fixed ring 5 is fixed on the annular groove 8.
Further, the middle section of the movable ring corrugated pipe 2 adopts a corrugated structure 9.
Furthermore, the end of the movable ring corrugated pipe 2 connected with the stationary ring 1 is protruded to form an annular structure 12, and the inner side of the end of the spring seat 3 connected with the movable ring corrugated pipe 2 is provided with a concave structure 11 matched with the annular structure 12.
Further, the fixing ring 5 is composed of two parts, and the two parts are connected through a screw.
Further, a stationary ring gasket 7 is mounted on the stationary ring 1.
The utility model discloses during the equipment, with the spring housing on the rotating ring bellows, again with the sheath cover on the rotating ring bellows, fix solid fixed ring on the rotating ring bellows at last, at last with the rotating ring bellows. The static ring is arranged on a shaft of the chemical pump; during the use, the pressure of the liquid in the seal chamber makes the terminal surface of rotating ring bellows compress tightly on quiet ring terminal surface, and the middle section of spring and rotating ring bellows receives the compression this moment, nevertheless through the influence of rotating ring bellows and spring elasticity volume for whole mechanical seal has better floatability, can not influence its holistic sealed.
The utility model discloses a move ring bellows material is polytetrafluoroethylene for mechanical seal has better anti strong acid, strong oxidizer and other corrosion behavior.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a mechanical seal for chemical pump that floatability is good which characterized in that: including quiet ring, rotating ring bellows, spring holder, solid fixed ring, quiet ring, rotating ring bellows all overlap on the chemical industry pump shaft, and the one end of rotating ring bellows contacts with quiet ring and constitutes a pair of friction pair, the spring housing is on the rotating ring bellows, and solid fixed ring installs the one end at the rotating ring bellows, is equipped with the sheath between solid fixed ring and the spring holder, and the part cover of sheath is on the spring holder, be equipped with the spring mounting hole on the spring holder, be equipped with the spring in the spring mounting hole, the one end and the sheath contact of spring.
2. The mechanical seal for the chemical pump with good floatability of claim 1, wherein: one end of the movable ring corrugated pipe is provided with an annular groove, and the fixing ring is fixed on the annular groove.
3. The mechanical seal for the chemical pump with good floatability of claim 1, wherein: the middle section of the movable ring corrugated pipe adopts a corrugated structure.
4. The mechanical seal for the chemical pump with good floatability of claim 1, wherein: the one end arch that the rotating ring bellows is connected with quiet ring forms annular structure, the inboard that the spring holder is connected one end with the rotating ring bellows is equipped with the concave structure with annular structure matched with.
5. The mechanical seal for the chemical pump with good floatability of claim 1, wherein: the fixed ring is composed of two parts which are connected through screws.
6. The mechanical seal for the chemical pump with good floatability of claim 1, wherein: and a stationary ring gasket is arranged on the stationary ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876372.8U CN212838551U (en) | 2020-09-01 | 2020-09-01 | Mechanical seal with good floatability for chemical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876372.8U CN212838551U (en) | 2020-09-01 | 2020-09-01 | Mechanical seal with good floatability for chemical pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838551U true CN212838551U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021876372.8U Active CN212838551U (en) | 2020-09-01 | 2020-09-01 | Mechanical seal with good floatability for chemical pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN212838551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027809A (en) * | 2021-04-12 | 2021-06-25 | 安徽南方化工泵业有限公司 | Mechanical seal structure for chemical pump convenient to change |
-
2020
- 2020-09-01 CN CN202021876372.8U patent/CN212838551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027809A (en) * | 2021-04-12 | 2021-06-25 | 安徽南方化工泵业有限公司 | Mechanical seal structure for chemical pump convenient to change |
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