CN204061911U - Corrosion protection fastening-pressing type mechanical seal device - Google Patents
Corrosion protection fastening-pressing type mechanical seal device Download PDFInfo
- Publication number
- CN204061911U CN204061911U CN201420491744.3U CN201420491744U CN204061911U CN 204061911 U CN204061911 U CN 204061911U CN 201420491744 U CN201420491744 U CN 201420491744U CN 204061911 U CN204061911 U CN 204061911U
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- seat
- rotating
- spring
- stationary
- spring seat
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Abstract
The utility model corrosion protection fastening-pressing type mechanical seal device, comprises rotating seat, rotating ring, stationary seat, stationary ring, spring seat and the volute spring between stationary seat and spring seat, and stationary ring is press-fitted on the end face of rotating ring after volute spring extruding stationary seat; Gland is provided with multiple flushing hole communicated, and multiple flushing hole communicates with spring seat inner chamber; Described spring seat is provided with groove, and stationary seat is axially arranged with the lug matched with groove.Stationary seat realizes being connected of circumference by lug with the ditch slot fit of spring seat.Gland described in employing is provided with multiple flushing hole communicated, and multiple flushing hole communicates with spring seat inner chamber, can realize cleaning spring seat internal dust; Described spring seat is provided with groove, and stationary seat is axially arranged with the lug matched with groove.Stationary seat realizes being connected of circumference by lug with the ditch slot fit of spring seat.Spring seat and stationary seat circumference anti-rotation power more greatly, prevent that circumference occurs in transportation process and rotate.Belong to water-tight equipment technical field.
Description
Technical field
The utility model belongs to water-tight equipment technical field, specifically a kind of corrosion protection fastening-pressing type mechanical seal device.
Background technique
Mechanical seal is the sealed product of a kind of advanced person, it is by pressure medium and spring force, utilize a pair smooth straight and the surface having a fluid film reaches sealing effect, mechanical seal can work under some compare rugged environment, as high speed, high temperature, high pressure, low temperature, poisonous, vacuum, corrosivity, Yi Ran, explosive etc., general sealed product is incompetent, and it has good sealing effect, not wear and tear rotating shaft, the advantages such as long service life, consumed power are little, energy-conservation.
Along with China's industrial development, introduce the manufacturing equipment of a large amount of external complete petrochemical plant and advanced person especially in recent years, bring the engineering goods of large quantities of advanced person into equipment.Standby redundancy supply is progressively domesticized requirement, facilitates the development of mechanical technique.Domestic mechanical seal industry has also introduced some external manufacturing technologies, and in succession establishes Duo Jia mechanical seal joint venture, and these Dou Shi China mechanical seal products all make great progress in design, manufacture, material selection, production scale etc.
The field of mechanical seal device application also becomes more and more wider, especially the mechanical seal device in high-corrosion medium is applied to, higher to anticorrosive requirement, what use at present is all the mechanical seal device that stainless steel is made, anti-corrosion effects is not good, existing mechanical seal device simultaneously, only adopt interference fit to realize sealing between rotating ring and rotating seat, sealing reliability is not good enough, liquid easily enters from spring seat, then enters into the gap of rotating ring and rotating shaft through the gap of rotating seat and rotating shaft.So it is required at present for designing a mechanical seal device being applicable to use in highly corrosive environments.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of corrosion protection fastening-pressing type mechanical seal device, be applicable in corrosive atmosphere, can also ensure the sealing between rotating ring and rotating seat simultaneously.
Technical solution adopted in the utility model is: a kind of corrosion protection fastening-pressing type mechanical seal device, it comprises the mechanical seal device be arranged between pump shaft and the pump housing, this mechanical seal device comprises and being set on pump shaft axle sleeve and the rotating seat be fixedly linked with pump shaft axle sleeve and rotating ring, to be set on pump shaft axle sleeve and the spacing stationary ring be connected on the pump housing of circumference, to be set on pump shaft axle sleeve and the spring seat be fixedly connected on pump housing gland and the volute spring between rotating seat and spring seat, described rotating ring is press-fitted on the end face of stationary ring after volute spring extruding rotating seat, the interior edge face of described spring seat is provided with a groove, the interior edge face of described rotating seat be provided with one with the hook of groove snapping, hook and groove realize rotating seat and are connected with the axis of spring seat, and described hook can slide axially in groove, described rotating ring is covered with rotating ring lid, and rotating ring lid is fixed on rotating seat, it is shaping that described rotating seat, rotating ring, rotating ring lid, stationary ring, spring seat all adopt bakelite material to make, seal through O type circle between described rotating ring the inner and rotating seat.
The inner lower left corner of described rotating ring is cross section is leg-of-mutton rounding, and the sealing of O type circle is arranged between rounding place and rotating seat.
Described O type circle place is provided with pad, and pad is arranged on rotating seat.
The beneficial effects of the utility model are: a kind of corrosion protection fastening-pressing type of the utility model mechanical seal device, adopts bakelite material to replace stainless steel to make shaping, antiacid caustic corrosion surmounts stainless steel far away; Rotating seat and spring seat make owing to have employed bakelite material, have certain elasticity, and therefore adopt hook and groove to realize being connected by these two, after assembling, integrity is stronger.Seal through O type circle between rotating ring the inner and rotating seat simultaneously, improve sealability.
The inner lower left corner of described rotating ring is cross section is leg-of-mutton rounding, and the sealing of O type circle is arranged between rounding place and rotating seat.Advantage is, the inner port of rotating ring is the rounding setting of section triangle, O type circle part is positioned at rounding, when there is relative motion trend between rotating ring and rotating seat, the triangle place extruding O type circle of rotating ring, O type circle deforms, can by O type circle away from that side of rotating ring squeeze tightr, stop liquid leakage to be come in.
Described O type circle place is provided with pad, and pad is arranged on rotating seat.Advantage is: what hook and groove can be allowed to coordinate is better.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Fig. 2 is that the utility model and pump shaft assemble schematic diagram.
In figure, 1, pump shaft, 2, rotating seat, 2.1, hook, 3, rotating ring, 3.1, rounding, 4, stationary ring, 5, spring seat, 5.1, groove, 6, volute spring, 7, rotating ring lid, 8, O type circle, 9, pad.
Embodiment
Be below the utility model preferred embodiment, but therefore do not limit protection domain of the present utility model.
Shown in Fig. 1-Fig. 2, a kind of corrosion protection fastening-pressing type of the utility model mechanical seal device, it comprises the mechanical seal device be arranged between pump shaft 1 and the pump housing, this mechanical seal device comprises and being set on pump shaft 1 axle sleeve and the rotating seat 2 be fixedly linked with pump shaft 1 axle sleeve and rotating ring 3, to be set on pump shaft 1 axle sleeve and the spacing stationary ring 4 be connected on the pump housing of circumference, to be set on pump shaft 1 axle sleeve and to be fixedly connected on the spring seat 5 on pump housing gland and the volute spring between rotating seat 2 and spring seat 56, described rotating ring 3 through volute spring 6 extrude be press-fitted in stationary ring 4 after rotating seat 2 end face on,
The utility model adopts volute spring 6 as reset assembly, advantage be volute spring 6 after pressurized, final axial height only has the height of a diameter, compares the transformable amplitudes such as helical spring large, axial space needed for it is less, is not easy dieback after compression.
The interior edge face of described spring seat 5 is provided with a groove 5.1, the interior edge face of described rotating seat 2 be provided with one with the hook 2.1 of groove 5.1 snapping, hook 2.1 and groove 5.1 realize rotating seat 2 and are connected with the axis of spring seat 5, and described hook 2.1 can slide axially in groove 5.1; Described rotating ring 3 is covered with rotating ring lid 7, and rotating ring lid 7 is fixed on rotating seat 2, and the effect of rotating ring lid 7 is on the right side of restriction rotating ring 3, is also to ensure fitting tightly of rotating ring 3 and O type circle 8, strengthening sealing reliability; It is shaping that described rotating seat 2, rotating ring 3, rotating ring lid 7, stationary ring 4, spring seat 5 all adopt bakelite material to make; Seal through O type circle 8 between described rotating ring 3 the inner and rotating seat 2.
The inner lower left corner of described rotating ring 3 is cross section is that the sealing of leg-of-mutton rounding 3.1, O type circle 8 is arranged between rounding 3.1 place and rotating seat 2, as shown in Figure 1.Advantage is, the inner port of rotating ring is that the rounding 3.1 of section triangle is arranged, O type circle 8 part is positioned at rounding 3.1, when there is relative motion trend between rotating ring and rotating seat, triangle place extruding O type circle 8, the O type circle 8 of rotating ring deforms, can by O type circle 8 away from that side of rotating ring squeeze tightr, stop liquid leakage to be come in, namely prevent liquid from leaking from the left side of the O type circle 8 shown in Fig. 1.In addition, an advantage is, even if O type circle 8 is damaged, by also can be played the effect of sealing by the extrusion-deformation of rotating ring 3 in addition.
Described O type circle 8 place is provided with pad 9, and pad 9 is arranged on rotating seat 2.Shown in composition graphs 1, hook 2.1 due to rotating seat 2 can not be located at the center near rotating seat 2, need upwards to lift a bit, so the inner radius of rotating seat 2 just better cannot can't stop O type circle 8, therefore design pad 9 be exactly in order to O type circle 8 being blocked so that hook and groove can coordinate better.
A kind of corrosion protection fastening-pressing type of the utility model mechanical seal device, adopts bakelite material to replace stainless steel to make shaping, antiacid caustic corrosion surmounts stainless steel far away; Rotating seat 2 and spring seat 5 make owing to have employed bakelite material, and have certain elasticity, therefore adopt hook 2.1 to realize being connected with groove 5.1 by these two, after assembling, integrity is stronger.Seal through O type circle 8 between rotating ring 3 the inner and rotating seat 2 simultaneously, improve sealability.
Claims (3)
1. a corrosion protection fastening-pressing type mechanical seal device, it comprises the mechanical seal device be arranged between pump shaft (1) and the pump housing, this mechanical seal device comprises and being set on pump shaft (1) axle sleeve and the rotating seat (2) be fixedly linked with pump shaft (1) axle sleeve and rotating ring (3), to be set on pump shaft (1) axle sleeve and the spacing stationary ring (4) be connected on the pump housing of circumference, to be set on pump shaft (1) axle sleeve and the spring seat (5) be fixedly connected on pump housing gland and the volute spring (6) be positioned between rotating seat (2) and spring seat (5), described rotating ring (3) is press-fitted on the end face of stationary ring (4) after volute spring (6) extruding rotating seat (2), it is characterized in that: the interior edge face of described spring seat (5) is provided with a groove (5.1), the interior edge face of described rotating seat (2) be provided with one with the hook (2.1) of groove (5.1) snapping, hook (2.1) and groove (5.1) realize rotating seat (2) and are connected with the axis of spring seat (5), and described hook (2.1) can slide axially in groove (5.1), described rotating ring (3) is covered with rotating ring lid (7), and rotating ring lid (7) is fixed on rotating seat (2), it is shaping that described rotating seat (2), rotating ring (3), rotating ring lid (7), stationary ring (4), spring seat (5) all adopt bakelite material to make, seal through O type circle (8) between described rotating ring (3) the inner and rotating seat (2).
2. corrosion fastening-pressing type mechanical seal device according to claim 1, it is characterized in that: the inner lower left corner of described rotating ring (3) is cross section is leg-of-mutton rounding (3.1), O type circle (8) sealing is arranged between rounding (3.1) place and rotating seat (2).
3. corrosion fastening-pressing type mechanical seal device according to claim 2, is characterized in that: described O type circle (8) place is provided with pad (9), and pad (9) is arranged on rotating seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491744.3U CN204061911U (en) | 2014-08-25 | 2014-08-25 | Corrosion protection fastening-pressing type mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491744.3U CN204061911U (en) | 2014-08-25 | 2014-08-25 | Corrosion protection fastening-pressing type mechanical seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061911U true CN204061911U (en) | 2014-12-31 |
Family
ID=52203430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491744.3U Expired - Fee Related CN204061911U (en) | 2014-08-25 | 2014-08-25 | Corrosion protection fastening-pressing type mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111094814A (en) * | 2017-09-20 | 2020-05-01 | 伊格尔工业股份有限公司 | Mechanical sealing element |
-
2014
- 2014-08-25 CN CN201420491744.3U patent/CN204061911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111094814A (en) * | 2017-09-20 | 2020-05-01 | 伊格尔工业股份有限公司 | Mechanical sealing element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |