CN110500411A - A kind of reliable plastics mechanical sealing device used for pump - Google Patents
A kind of reliable plastics mechanical sealing device used for pump Download PDFInfo
- Publication number
- CN110500411A CN110500411A CN201910831433.4A CN201910831433A CN110500411A CN 110500411 A CN110500411 A CN 110500411A CN 201910831433 A CN201910831433 A CN 201910831433A CN 110500411 A CN110500411 A CN 110500411A
- Authority
- CN
- China
- Prior art keywords
- ring
- spring base
- stationary ring
- throw
- out collar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 229920003023 plastic Polymers 0.000 title claims abstract description 19
- 239000004033 plastic Substances 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005530 etching Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention discloses a kind of reliable plastics mechanical sealing device used for pump, including axle sleeve, the axle sleeve front end is equipped with rotating ring, it is equipped with stationary ring on rear side of the rotating ring, is in contact between the stationary ring and rotating ring, the stationary ring is connected on throw-out collar, the throw-out collar pin is fixed on spring base, the stationary ring and throw-out collar are respectively positioned between spring base and axle sleeve, and unusual sealing ring is equipped between the groove and stationary ring of described spring base one end, and spring is equipped between the spring base and throw-out collar.A unusual sealing ring is arranged in the present apparatus, the metalwork of mechanical seal and the deep-etching slurries of pumping has been isolated in the unusual sealing ring, sealing ring as stationary ring simultaneously makes mechanical seal not by plastic part expansion effects, solve the problems, such as standard machinery seal can not installation and operation in plastic pump.
Description
Technical field
The present invention relates to plant machinery technical field of sealing technology, and in particular to a kind of reliable plastics mechanical seal for pump dress
It sets.
Background technique
Plastic pump is commonly used in deep-etching operating condition, in order to protect metalwork not to be corroded, in metalwork outer lining fluoroplastics.But
It is the coefficient of expansion height of plastics, be heated easily expansion, common mechanical seal can not work normally.
Summary of the invention
The purpose of the present invention is to provide a kind of reliable plastics mechanical sealing device used for pump, to solve above-mentioned background technique
The problem of middle proposition.To achieve the above object, the invention provides the following technical scheme: a kind of reliable plastics mechanical seal for pump
Device, including axle sleeve, the axle sleeve front end are equipped with rotating ring, are equipped with stationary ring, phase between the stationary ring and rotating ring on rear side of the rotating ring
Contact, the stationary ring are connected on throw-out collar, and the throw-out collar pin is fixed on spring base, make stationary ring as compensation ring, described quiet
Ring and throw-out collar are respectively positioned between spring base and axle sleeve, and unusual sealing ring is equipped between the groove and stationary ring of described spring base one end,
Spring is equipped between the spring base and throw-out collar.
Preferably, a lock chamber is formed after the spring base is connected with throw-out collar pin, the spring is fixedly connected on
Fixed intracavitary portion.
Preferably, in sealing contact between the rotating ring and axle sleeve, pass through unusual sealing ring between the spring base and stationary ring
It is connected and sealed.
Technical effect and advantage of the invention: a unusual sealing ring is arranged in the present apparatus, which has been isolated machine
The metalwork of tool sealing and the deep-etching slurries of pumping, while the sealing ring as stationary ring, keep mechanical seal not swollen by plastic part
Swollen influence, solve the problems, such as standard machinery sealing can not installation and operation in plastic pump.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
In figure: 1- axle sleeve, 2- rotating ring, 3- stationary ring, 4- throw-out collar, 5- spring base, the unusual sealing ring of 6-, 7- spring, 8- lock chamber.
Specific embodiment
In order to make implement technical means of the invention, creation characteristic, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained, in the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " installation ", " company ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable
Connection, or be integrally connected or be mechanically connected, it is also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, can connection inside two elements.
Embodiment 1
A kind of reliable plastics mechanical sealing device used for pump as shown in Figure 1, including axle sleeve 1,1 front end of axle sleeve are equipped with rotating ring
2, it is equipped with stationary ring 3 on rear side of the rotating ring 2, is in contact between the stationary ring 3 and rotating ring 2, the stationary ring 3 is connected on throw-out collar 4, institute
It states 4 pin of throw-out collar to be fixed on spring base 5, makes stationary ring 3 as compensation ring, the stationary ring 3 and throw-out collar 4 are respectively positioned on 5 He of spring base
Between axle sleeve 1, unusual sealing ring 6, the spring base 5 and throw-out collar 4 are equipped between the groove and stationary ring 3 of described 5 one end of spring base
Between be equipped with spring 7.
Embodiment 2
A kind of reliable plastics mechanical sealing device used for pump as shown in Figure 1, including axle sleeve 1,1 front end of axle sleeve are equipped with rotating ring
2, it is equipped with stationary ring 3 on rear side of the rotating ring 2, is in contact between the stationary ring 3 and rotating ring 2, the stationary ring 3 is connected on throw-out collar 4, institute
It states 4 pin of throw-out collar to be fixed on spring base 5, makes stationary ring 3 as compensation ring, the stationary ring 3 and throw-out collar 4 are respectively positioned on 5 He of spring base
Between axle sleeve 1, unusual sealing ring 6, the spring base 5 and throw-out collar 4 are equipped between the groove and stationary ring 3 of described 5 one end of spring base
Between be equipped with spring 7.
Preferably, a lock chamber 8 is formed after the spring base 5 is connected with 4 pin of throw-out collar, the spring 7 is fixedly connected
Inside lock chamber 8.
Preferably, in sealing contact between the rotating ring 2 and axle sleeve 1, by unusual close between the spring base 5 and stationary ring 3
Seal 6 is connected and sealed.
Present invention process process and working principle are as follows: the present apparatus is equipped with one between the groove and stationary ring 3 of 5 one end of spring base
A unusual sealing ring 6, which can isolate the metalwork and slurries of mechanical seal, while unusual sealing ring 6 is made
For the sealing ring of stationary ring 3, make mechanical seal not by plastic part expansion effects, solve standard machinery sealing can not installation and operation exist
The problem of plastic pump.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (3)
1. a kind of reliable plastics mechanical sealing device used for pump, including axle sleeve, it is characterised in that: the axle sleeve front end is equipped with dynamic
Ring, the rotating ring rear side are equipped with stationary ring, are in contact between the stationary ring and rotating ring, the stationary ring is connected on throw-out collar, described to push away
Ring dowel is fixed on spring base, makes stationary ring as compensation ring, and the stationary ring and throw-out collar are respectively positioned between spring base and axle sleeve, institute
It states and is equipped with unusual sealing ring between the groove and stationary ring of spring base one end, spring is equipped between the spring base and throw-out collar.
2. a kind of reliable plastics mechanical sealing device used for pump according to claim 1, it is characterised in that: the spring base
A lock chamber is formed after connecting with throw-out collar pin, the spring is fixedly connected on inside lock chamber.
3. a kind of reliable plastics mechanical sealing device used for pump according to claim 1, it is characterised in that: the rotating ring and
It is in sealing contact between axle sleeve, it is connected and sealed between the spring base and stationary ring by unusual sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831433.4A CN110500411A (en) | 2019-09-04 | 2019-09-04 | A kind of reliable plastics mechanical sealing device used for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831433.4A CN110500411A (en) | 2019-09-04 | 2019-09-04 | A kind of reliable plastics mechanical sealing device used for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110500411A true CN110500411A (en) | 2019-11-26 |
Family
ID=68591169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910831433.4A Pending CN110500411A (en) | 2019-09-04 | 2019-09-04 | A kind of reliable plastics mechanical sealing device used for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110500411A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575340Y (en) * | 2002-10-21 | 2003-09-24 | 宜兴市工程塑料设备厂 | Vanes of centrifugal pressure fan and centrifugal pressure fan with the same vanes |
| CN2869403Y (en) * | 2005-08-10 | 2007-02-14 | 杭州南方特种泵业有限公司 | Mechanical sealing for pump |
| CN205047497U (en) * | 2015-10-17 | 2016-02-24 | 四川重诚密封件有限公司 | Air cooling dry -type mechanical seal |
| WO2016058457A1 (en) * | 2014-10-15 | 2016-04-21 | 邢宇 | Bushing for cooling dual-side mechanical seal friction pair and centrifugal pump cooling system thereof |
| CN208396994U (en) * | 2018-04-16 | 2019-01-18 | 自贡蜜蜂牌机械密封有限责任公司 | A kind of mechanically-sealing apparatus for Pulp pump |
| CN210800066U (en) * | 2019-09-04 | 2020-06-19 | 上海创异流体机械有限公司 | Reliable mechanical sealing device for plastic pump |
-
2019
- 2019-09-04 CN CN201910831433.4A patent/CN110500411A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575340Y (en) * | 2002-10-21 | 2003-09-24 | 宜兴市工程塑料设备厂 | Vanes of centrifugal pressure fan and centrifugal pressure fan with the same vanes |
| CN2869403Y (en) * | 2005-08-10 | 2007-02-14 | 杭州南方特种泵业有限公司 | Mechanical sealing for pump |
| WO2016058457A1 (en) * | 2014-10-15 | 2016-04-21 | 邢宇 | Bushing for cooling dual-side mechanical seal friction pair and centrifugal pump cooling system thereof |
| CN205047497U (en) * | 2015-10-17 | 2016-02-24 | 四川重诚密封件有限公司 | Air cooling dry -type mechanical seal |
| CN208396994U (en) * | 2018-04-16 | 2019-01-18 | 自贡蜜蜂牌机械密封有限责任公司 | A kind of mechanically-sealing apparatus for Pulp pump |
| CN210800066U (en) * | 2019-09-04 | 2020-06-19 | 上海创异流体机械有限公司 | Reliable mechanical sealing device for plastic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |