CN201053499Y - Mechanical seal with fork - Google Patents
Mechanical seal with fork Download PDFInfo
- Publication number
- CN201053499Y CN201053499Y CNU2007201082292U CN200720108229U CN201053499Y CN 201053499 Y CN201053499 Y CN 201053499Y CN U2007201082292 U CNU2007201082292 U CN U2007201082292U CN 200720108229 U CN200720108229 U CN 200720108229U CN 201053499 Y CN201053499 Y CN 201053499Y
- Authority
- CN
- China
- Prior art keywords
- ring
- seat
- spring
- fork type
- movable ring
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 210000004907 gland Anatomy 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
The utility model relates to a shifting fork type mechanical sealing element, which is designed in view of the defects of similar products. The design key points of the utility mode are that a pump spindle is sleeved in a spring seat which is connected with the pump spindle through a fastening bolt, and one side of the pump spindle is provided with a gland push of a static ring. A shifting fork type sealing mechanism is arranged between the spring seat and the gland push of the static ring, and the mechanism is divided into a movable ring component and a static ring component. A spring is arranged in a spring seat of the movable ring component, an O-shaped ring of a movable ring is arranged in a movable ring seat; a push ring is arranged between the spring and the O-shaped ring of the movable ring, and a movable ring is arranged between a static ring and the movable ring seat. The shifting fork type movement actively compensates the poor sealing along with the non-uniform dynamic stress and transmission torque of the pump spindle, the sealing of the movable ring component and the pump spindle synchronously rotate. The utility model solves the technical problems of the poor sealing property and the short service life caused by the non-uniform dynamic stress and transmission torque of the pump spindle. The utility model is applicable for matching with sealing elements of other liquid pumps.
Description
Technical field
The utility model relates to a kind of band fork type mechanical sealing element.
Background technique
Mechanical sealing element is one of vitals of pump class, plays and carries various liquid to stop the effect of leaking.But it is not too convenient that existing Sealing is installed and removed, keeps in repair, overhauled.Normally an easily damaged parts has been broken, and must remove other part of connection, could change the part that this changes.This phenomenon is to have increased workload and labor intensity to them to miantainers.The performance of conventional machinery Sealing sealing reason bad and that owe working life long is, can not adapt to the dynamic stress of pump shaft, the service condition of transmitting torque inequality, and not do corresponding dynamic and static stressed adjusting, satisfies its operating conditions.
Summary of the invention
The utility model will overcome above-mentioned deficiency, and purpose is to provide a kind of structure comparatively simply to be with fork type mechanical sealing element to related domain.Make its dynamic stress that can solve pump shaft, transmitting torque inequality, the sealability that is caused bad and working life is owed long technical problem.The purpose of this utility model is to adopt following technological scheme to realize.
A kind of band fork type mechanical sealing element, sealing part comprise seal end plate, driving pin, stationary ring O shape circle, stationary ring, rotating ring, rotating ring O shape circle, rotating seat, throw-out collar, spring, spring seat, clamping bolt.Its main points are pump shaft pocketed springs seats, and spring seat connects pump shaft by clamping bolt, and the one side of pump shaft is provided with seal end plate, and the circumference of seal end plate is provided with the water inlet.Band fork type sealing mechanism is set between spring seat and the seal end plate, and this mechanism is divided into moving ring assembly and static components.In the spring seat of moving ring assembly spring is housed, rotating ring O shape circle is housed in the rotating seat, throw-out collar is arranged between spring and the rotating ring O shape circle, and rotating ring is arranged between stationary ring and the rotating seat.When with pump shaft when dynamic stress, transmitting torque are uneven, band fork type move the sealing that Active Compensation is bad, the sealing of moving ring assembly and pump shaft are rotated synchronously.The stationary ring O shape circle of static components is arranged on the junction of stationary ring and seal end plate, plays the effect that this seals between the two.Driving pin is inserted seal end plate, plays to impel with bumping of stationary ring to connect, and seal end plate is rotated synchronously with pump shaft.
The setting (not seeing among Fig. 1, only distribution concave, convex groove on both diametric planes) that is complementary of the symmetrical tongue that the spring seat both sides of described fork type mechanical sealing element are provided with, the groove of this tongue and rotating seat both sides symmetry at this.
This fork type mechanical sealing element and water pump socket are easy, axially spin stabilization.When individual part needs to change, then only need whole Sealing split out pump shaft, can on worktable, operate.Create bigger operating platform, working environment preferably to the maintenance man.Solved dynamic stress, the transmitting torque inequality of pump shaft, the sealability that is caused bad and working life is owed long technical problem.Be suitable for the supporting use of Sealing of other liquid pump.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Sequence number and title among the figure: 1, seal end plate, 2, driving pin, 3, stationary ring O shape circle, 4, stationary ring, 5, rotating ring, 6, rotating ring O shape circle, 7, rotating seat, 8, throw-out collar, 9, spring, 10, spring seat, 11, clamping bolt, 12, pump shaft.
Embodiment
Mode of execution is installed, dismantled, reaches working principle with the utility model is example.As long as the port of moving ring assembly one end of pump shaft 12 is pushed on the pump shaft,, be fixed on the pump shaft by clamping bolt 11 at certain point location along pump shaft during installation, pump shaft 12 is connected as a single entity with the pump housing.Convenient disassembly refers to unscrew set screw 11, withdraws from pump shaft 12, and whole Sealing just " has removed ".
Sealing principle: when being fixed on the pump shaft 12 location and transmitting torque, by the end face seal that rotating ring 5 and stationary ring 4 are formed, the leakage between stationary ring O shape circle 3, stationary ring 4 and rotating ring O shape circle 6 difference stationary seal rings 4 and seal end plate 1 and rotating ring 5 and the pump shaft 12.Spring 9 provides end thrust to throw-out collar 8, and rotating ring 5 and stationary ring 4 are fitted tightly.Driving pin 2 is stablized rotation between stationary ring 4 and the seal end plate 1 with fulcrum top power; Gap between rotating ring 5 and the spring seat 10 is for rotating ring 5, rotating ring O shape circle 6, throw-out collar 8 are filled up this gap.Form fork sealing " moving part " is provided, impel Sealing and pump shaft 12 to rotate synchronously.Uniform spring 9 compresses throw-out collar 8, rotating ring 5 and closely subsides, relative movement mutually of stationary ring 4 in the spring seat, and the groove fit of the tongue of spring seat 10 both sides symmetries and rotating ring both sides symmetry drives rotating ring and pump shaft and rotates synchronously.The circulating liquid of being drawn by the pump discharge place enters in the Sealing chamber by pump shaft 12, produces pressure reduction through threaded spring seat 10 high speed rotating, forms a circulation from pump intake again, to reduce the temperature of the pump housing.Fig. 1 has omitted the drafting of water pump body, water pump spindle, and its rotating seat 7, spring seat 10 structure on two sides are identical, but are depicted as asymmetric.Only be its structural feature of signal, the spy is illustrated.
Claims (2)
1. be with fork type mechanical sealing element for one kind, the sealing part comprises seal end plate, driving pin, stationary ring O shape circle, stationary ring, rotating ring, rotating ring O shape circle, rotating seat, throw-out collar, spring, spring seat, clamping bolt, it is characterized in that pump shaft (12) pocketed springs seat (10), spring seat connects pump shaft by clamping bolt (11), and the one side of pump shaft is provided with seal end plate (1); Band fork type sealing mechanism is set between spring seat (10) and the seal end plate (1), and this mechanism is divided into moving ring assembly and static components; Spring (9) is housed in the spring seat of moving ring assembly (10), rotating ring O shape circle (6) is housed in the rotating seat (7), throw-out collar (8) is arranged between spring (9) and the rotating ring O shape circle (6), and rotating ring (5) is arranged between stationary ring (4) and the rotating seat (7); The stationary ring O shape circle (3) of static components is arranged on the junction of stationary ring (4) and seal end plate (1).
2. fork type mechanical sealing element according to claim 1 is characterized in that the symmetrical tongue that spring seat (10) both sides of described fork type mechanical sealing element are provided with, the setting that is complementary of the groove of this tongue and rotating seat (7) both sides symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201082292U CN201053499Y (en) | 2007-04-13 | 2007-04-13 | Mechanical seal with fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201082292U CN201053499Y (en) | 2007-04-13 | 2007-04-13 | Mechanical seal with fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053499Y true CN201053499Y (en) | 2008-04-30 |
Family
ID=39393162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201082292U Expired - Fee Related CN201053499Y (en) | 2007-04-13 | 2007-04-13 | Mechanical seal with fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053499Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062049A (en) * | 2013-01-10 | 2013-04-24 | 宁波得利时泵业有限公司 | Mechanical seal device of rotor pump |
| CN104747491A (en) * | 2014-07-10 | 2015-07-01 | 季永东 | Sanitary pump provided with sealing assembly |
| CN107339240A (en) * | 2017-07-19 | 2017-11-10 | 谢运海 | A kind of automobile fire-fighting dedicated multilevel centrifugal pump |
| CN109854443A (en) * | 2019-03-03 | 2019-06-07 | 宁波精润机械有限公司 | A kind of pressure resistance high torque hydraulic motor |
-
2007
- 2007-04-13 CN CNU2007201082292U patent/CN201053499Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062049A (en) * | 2013-01-10 | 2013-04-24 | 宁波得利时泵业有限公司 | Mechanical seal device of rotor pump |
| CN104747491A (en) * | 2014-07-10 | 2015-07-01 | 季永东 | Sanitary pump provided with sealing assembly |
| CN107339240A (en) * | 2017-07-19 | 2017-11-10 | 谢运海 | A kind of automobile fire-fighting dedicated multilevel centrifugal pump |
| CN109854443A (en) * | 2019-03-03 | 2019-06-07 | 宁波精润机械有限公司 | A kind of pressure resistance high torque hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 |