CN109236720A - Leak-tight seal assembly apparatus at a kind of pump shaft - Google Patents
Leak-tight seal assembly apparatus at a kind of pump shaft Download PDFInfo
- Publication number
- CN109236720A CN109236720A CN201811287079.5A CN201811287079A CN109236720A CN 109236720 A CN109236720 A CN 109236720A CN 201811287079 A CN201811287079 A CN 201811287079A CN 109236720 A CN109236720 A CN 109236720A
- Authority
- CN
- China
- Prior art keywords
- pump shaft
- hole
- pump
- impeller
- leak
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
Abstract
The invention discloses leak-tight seal assembly apparatus at a kind of pump shaft, including pump case, front housing is coupled by rubber mat in the front side of the pump case, impeller is set in its cavity, spring is arranged in impeller head, impeller is fixed in pump shaft front end, and the second disk bearing and seal washer are also successively arranged between the frustum big end of pump shaft on rear side of impeller, oil film is equipped between the frustum surface of pump shaft and taper hole, through-hole is set on rear side of taper hole, through hole back-end connecting flange passes sequentially through bearing in through-hole and connects pump shaft with oil sealing, and flange card is with rear cover and is bolted；Match and have the washer antiseep of film lubrication and front side by the taper hole before the frustum and pump case that are arranged on pump shaft, forming two containment members by the oil sealing of rear side again can effectively solve the leakage problems of pump intracavity liquid, the spring-force driven dual of side setting is good in shaft seal before the impeller simultaneously, can effectively extend the service life of pump by above structure.
Description
Technical field
The present invention relates to fluid pump technical fields, more particularly to leak-tight seal assembly apparatus at a kind of pump shaft.
Background technique
Pump is trandfer fluid or the machinery for making fluid pressurized.It sends the mechanical energy of prime mover or other external energies to
Liquid increases liquid energy.Pump is mainly used to convey the liquid such as water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid metal,
Also liquid, gas mixture and the liquid containing suspended solids be can transport.Pump can be usually divided into positive displacement pump, dynamical type by working principle
Pump and other types pump three classes.
Either the pump of which kind of function or type, purposes contribute to trandfer fluid, in current pump valve industry, pump by
After long-play, the intracorporal fluid of chamber is easy to produce the leakage along pump shaft, this leakage problem is difficult to repair,
Also it often annoyings with pump enterprise and pump quotient；Spy discloses the present invention to solve this problem.
Summary of the invention
The purpose of the present invention is being directed to existing issue, leak-tight seal assembly apparatus at a kind of pump shaft is provided.
The present invention is achieved by the following technical solutions: leak-tight seal assembly apparatus at a kind of pump shaft, including pump case,
Front housing is coupled by rubber mat in the front side of the pump case, and is bolted, and leaf is arranged in the cavity formed between pump case and front housing
Wheel, the end stand that impeller head is arranged by cutting ferrule spring one end, spring other end clamping the first disk bearing rear side, the first disk
It is fastened in the groove among aperture plate on front side of bearing, aperture plate is connected to front housing inner wall, and the impeller is fixed in pump shaft front end, and leaf
It is also successively arranged the second disk bearing and seal washer between wheel rear side and the frustum big end of pump shaft, the barrel jacket of seal washer is loaded on
The frustum big end of pump shaft, the curl of seal washer and the taper hole EDGE CONTACT of pump case front end, between the frustum surface of pump shaft and taper hole
Equipped with oil film, through-hole is set on rear side of taper hole, through hole back-end connecting flange passes sequentially through bearing in through-hole and connects pump shaft with oil sealing,
The flange card is with rear cover and is bolted.
As further improvement of these options, the oil film is by the frustum surface in pump shaft along generatrix direction
It is spaced equipped with elongated oil groove, on the elongated oil groove in frustum surface and annular oil duct is set, on the taper hole side wall contacted with elongated oil groove
If penetrating through oilhole, oil nozzle is connected on the pump case at the top of oilhole.
As further improvement of these options, the aperture plate is made of outer ring, rib and inner panel, in the outer ring
Side radial equipartition connects several rib one end, and the rib other end connects inner panel outer edge, and a plane of inner panel is equipped with groove, institute
It states and is laid with several through-holes on outer ring.
As further improvement of these options, the flange right side is equipped with circular groove, uniformly distributed circle on the outside of circular groove
Week setting screw hole.
As further improvement of these options, it is wholely set on the end cap left side and flange right side circular groove
The annular convex platform of matching, annular convex platform outside are arranged the through-hole concentric with the screw hole on the outside of circular groove, are equipped with circle on the inside of annular convex platform
Platform, rotary table card are assigned in the right output port of pump case axis hole.
As further improvement of these options, the hole wall for connecing pump shaft that is used to wear of the oil sealing is equipped with sealing ring.
As further improvement of these options, it is equipped among the washer body of the seal washer for being socketed pump shaft
The hole of front end, hole inner wall are equipped with muscle ring, and boss is equipped at the top of hole, and the upper edge of the washer body is equipped with curl, under
The cylinder that side edge setting matches with frustum big end, cylinder inboard wall are equipped with hangnail.
The present invention has the advantage that compared with prior art to be matched by the taper hole before the frustum and pump case that are arranged on pump shaft
And there is the washer antiseep of film lubrication and front side, then can effectively solve pump chamber by oil sealing two containment members of formation of rear side
The leakage problems of interior liquid, while the spring-force driven dual that side is arranged before the impeller is good in shaft seal, and the second disk bearing
It is avoided that the friction that impeller is loosened and/or worn and is generated between pump case, also functions to the effect of support pump shaft, pass through above structure
The service life of pump can effectively be extended, the problem of effective solution pump chamber leakage.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is sealed structural schematic diagram at pump shaft in Fig. 1.
Fig. 3 is the structural schematic diagram of aperture plate.
Fig. 4 is the structural schematic diagram of seal washer.
Specific embodiment
The following further describes the present invention with reference to the drawings.
As shown in figs. 1-4, leak-tight seal assembly apparatus at a kind of pump shaft, including pump case 1, the front side of the pump case 1
Front housing 2 is coupled by rubber mat, and is bolted, setting impeller 3 in the cavity formed between pump case 1 and front housing 2,3, impeller
7 one end of portion's cutting ferrule spring, 7 other end of spring are clamped the end stand 6 being arranged on rear side of the first disk bearing 5,5 front side of the first disk bearing
It is fastened in the groove 44 among aperture plate 4, aperture plate 4 is connected to 2 inner wall of front housing, and the impeller 3 is fixed in 22 front end of pump shaft, and leaf
The second disk bearing 8 and seal washer 9, the cylinder of seal washer 9 are also successively arranged between 3 rear side of wheel and the frustum big end of pump shaft 22
95 are set in the frustum big end of pump shaft 22, the curl 91 of seal washer 9 and the taper hole EDGE CONTACT of 1 front end of pump case, pump shaft 22
It is equipped with oil film between frustum surface and taper hole, through-hole is set on rear side of taper hole, through hole back-end connecting flange 20 passes sequentially through axis in through-hole
14 and the connection pump shaft 22 of oil sealing 15 are held, the card of flange 20 is with rear cover 17 and is bolted.
As further improvement of these options, the oil film is by the frustum surface in pump shaft 22 along bus side
To elongated oil groove 10 is equipped with, annular oil duct 11 is arranged in interval on the elongated oil groove 10 in frustum surface, contacts with elongated oil groove 10
Perforation oilhole 12 is set on taper hole side wall, connects oil nozzle 13 on the pump case 1 at 12 top of oilhole.
As further improvement of these options, the aperture plate 4 is made of outer ring 41, rib 42 and inner panel 43, institute
It states outer ring 41 and radially inside uniformly connects several 42 one end of rib, 42 other end of rib connects 43 outer edge of inner panel, inner panel 43
One plane is equipped with groove 44, is laid with several through-holes 45 on the outer ring 41.
As further improvement of these options, 20 right side of flange is equipped with circular groove 18,18 outside of circular groove
Screw hole is arranged in uniformly distributed circumference.
As further improvement of these options, it is wholely set on 17 left side of end cap and 20 right side of flange
The annular convex platform 19 that circular groove 18 matches, the setting through-hole concentric with the screw hole on the outside of circular groove 18, convex annular on the outside of annular convex platform 19
Rotary table 21 is equipped on the inside of platform 19, the card of rotary table 21 is assigned in the rear port of 1 axis hole of pump case.
As further improvement of these options, the hole wall for connecing pump shaft 22 that is used to wear of the oil sealing 15 is equipped with sealing
Circle 16.
As further improvement of these options, it is equipped among the washer body of the seal washer 9 for being socketed pump
The hole 93 of axis front end, 93 inner wall of hole are equipped with muscle ring 94, are equipped with boss 92 at the top of hole 92, the upper edge of the washer body is set
There are curl 91, the cylinder 95 that lower edge setting matches with frustum big end, cylinder inboard wall is equipped with hangnail 96.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. leak-tight seal assembly apparatus at a kind of pump shaft, including pump case, which is characterized in that pass through rubber mat on front side of the pump case
Front housing is coupled, and is bolted, impeller is set in the cavity formed between pump case and front housing, impeller head passes through cutting ferrule spring
One end, the end stand that spring other end clamping the first disk bearing rear side is arranged, the first disk bearing front side is fastened among aperture plate
Groove in, aperture plate is connected to front housing inner wall, and the impeller is fixed in pump shaft front end, and on rear side of impeller with the frustum big end of pump shaft
Between be also successively arranged the second disk bearing and seal washer, the barrel jacket of seal washer is loaded on the frustum big end of pump shaft, gasket
The curl of circle and the taper hole EDGE CONTACT of pump case front end are equipped with oil film, setting on rear side of taper hole between the frustum surface of pump shaft and taper hole
Through-hole, through hole back-end connecting flange pass sequentially through bearing in through-hole and connect pump shaft with oil sealing, and the flange card is with rear cover and passes through
It is bolted.
2. leak-tight seal assembly apparatus at a kind of pump shaft according to claim 1, which is characterized in that the oil film is
By being equipped with elongated oil groove along generatrix direction on the frustum surface of pump shaft, setting annular oil in interval on the elongated oil groove in frustum surface
Ditch sets perforation oilhole on the taper hole side wall contacted with elongated oil groove, connects oil nozzle on the pump case at the top of oilhole.
3. leak-tight seal assembly apparatus at a kind of pump shaft according to claim 1, which is characterized in that the aperture plate by
Outer ring, rib and inner panel composition, the outer ring radially inside uniformly connect several rib one end, and the rib other end connects outside inner panel
Edge, a plane of inner panel are equipped with groove, are laid with several through-holes on the outer ring.
4. leak-tight seal assembly apparatus at a kind of pump shaft according to claim 1, which is characterized in that the flange is right
End face is equipped with circular groove, and screw hole is arranged in uniformly distributed circumference on the outside of circular groove.
5. leak-tight seal assembly apparatus at a kind of pump shaft according to claim 1, which is characterized in that the end cap is left
The annular convex platform to match with flange right side circular groove is wholely set on side, setting and the screw hole on the outside of circular groove on the outside of annular convex platform
Concentric through-hole, annular convex platform inside are equipped with rotary table, and rotary table card is assigned in the right output port of pump case axis hole.
6. leak-tight seal assembly apparatus at a kind of pump shaft according to claim 1, which is characterized in that the use of the oil sealing
Sealing ring is equipped in wearing the hole wall for connecing pump shaft.
7. leak-tight seal assembly apparatus at a kind of pump shaft according to claim 1, which is characterized in that the seal washer
Washer body among be equipped with hole for being socketed pump shaft front end, hole inner wall is equipped with muscle ring, is equipped with boss, the pad at the top of hole
The upper edge for enclosing ontology is equipped with curl, the cylinder that lower edge setting matches with frustum big end, and cylinder inboard wall is equipped with
Thorn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287079.5A CN109236720B (en) | 2018-10-31 | 2018-10-31 | Sealing assembly device is prevented leaking by pump shaft department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287079.5A CN109236720B (en) | 2018-10-31 | 2018-10-31 | Sealing assembly device is prevented leaking by pump shaft department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236720A true CN109236720A (en) | 2019-01-18 |
| CN109236720B CN109236720B (en) | 2022-07-26 |
Family
ID=65079959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287079.5A Active CN109236720B (en) | 2018-10-31 | 2018-10-31 | Sealing assembly device is prevented leaking by pump shaft department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236720B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488635A (en) * | 2018-10-31 | 2019-03-19 | 安徽腾龙泵阀制造有限公司 | A kind of mechanically-sealing apparatus for pump housing leakproof |
| CN109236725B (en) * | 2018-10-31 | 2024-05-17 | 安徽腾龙泵阀制造有限公司 | Sealing device for pump body leakage prevention |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6685428B1 (en) * | 2000-10-04 | 2004-02-03 | Freudenberg-Nok General Partnership | Integrated boot, seal and impeller system |
| CN200952488Y (en) * | 2006-04-05 | 2007-09-26 | 丛铭 | Single-stage horizontal automatic balancing centrifugal sealing pump |
| DE102011017339A1 (en) * | 2011-04-16 | 2012-10-18 | Volkswagen Aktiengesellschaft | Centrifugal pump has sealing gap formed between impeller and housing, which forms portions of housing and impeller that are urged by resilient spring in direction of sealing gap, and stopper that prevents contact of portions |
| CN204357713U (en) * | 2014-12-27 | 2015-05-27 | 烟台龙港耐腐蚀泵有限公司 | A kind of process pump for petrochemical industry |
| CN104747491A (en) * | 2014-07-10 | 2015-07-01 | 季永东 | Sanitary pump provided with sealing assembly |
| CN204900319U (en) * | 2015-07-14 | 2015-12-23 | 广东肯富来泵业股份有限公司 | Utilize seal spring to reduce impeller pump of bearing seal wearing and tearing |
| CN105899813A (en) * | 2014-01-08 | 2016-08-24 | 爱信精机株式会社 | Water pump |
-
2018
- 2018-10-31 CN CN201811287079.5A patent/CN109236720B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6685428B1 (en) * | 2000-10-04 | 2004-02-03 | Freudenberg-Nok General Partnership | Integrated boot, seal and impeller system |
| CN200952488Y (en) * | 2006-04-05 | 2007-09-26 | 丛铭 | Single-stage horizontal automatic balancing centrifugal sealing pump |
| DE102011017339A1 (en) * | 2011-04-16 | 2012-10-18 | Volkswagen Aktiengesellschaft | Centrifugal pump has sealing gap formed between impeller and housing, which forms portions of housing and impeller that are urged by resilient spring in direction of sealing gap, and stopper that prevents contact of portions |
| CN105899813A (en) * | 2014-01-08 | 2016-08-24 | 爱信精机株式会社 | Water pump |
| CN104747491A (en) * | 2014-07-10 | 2015-07-01 | 季永东 | Sanitary pump provided with sealing assembly |
| CN204357713U (en) * | 2014-12-27 | 2015-05-27 | 烟台龙港耐腐蚀泵有限公司 | A kind of process pump for petrochemical industry |
| CN204900319U (en) * | 2015-07-14 | 2015-12-23 | 广东肯富来泵业股份有限公司 | Utilize seal spring to reduce impeller pump of bearing seal wearing and tearing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488635A (en) * | 2018-10-31 | 2019-03-19 | 安徽腾龙泵阀制造有限公司 | A kind of mechanically-sealing apparatus for pump housing leakproof |
| CN109236725B (en) * | 2018-10-31 | 2024-05-17 | 安徽腾龙泵阀制造有限公司 | Sealing device for pump body leakage prevention |
| CN109488635B (en) * | 2018-10-31 | 2024-05-17 | 安徽腾龙泵阀制造有限公司 | Mechanical sealing device for pump body leakage prevention |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109236720B (en) | 2022-07-26 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A leak proof sealing component device at the pump shaft Effective date of registration: 20230620 Granted publication date: 20220726 Pledgee: Huishang Bank Co.,Ltd. Jingxian Branch Pledgor: ANHUI TENGLONG PUMP AND VALVE MANUFACTURING CO.,LTD. Registration number: Y2023980044872 |