CN109488635A - A kind of mechanically-sealing apparatus for pump housing leakproof - Google Patents
A kind of mechanically-sealing apparatus for pump housing leakproof Download PDFInfo
- Publication number
- CN109488635A CN109488635A CN201811287078.0A CN201811287078A CN109488635A CN 109488635 A CN109488635 A CN 109488635A CN 201811287078 A CN201811287078 A CN 201811287078A CN 109488635 A CN109488635 A CN 109488635A
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- pump case
- ring
- mechanically
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 27
- 210000003205 muscle Anatomy 0.000 claims description 12
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings 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
- F04D29/043—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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of mechanically-sealing apparatus for pump housing leakproof, including pump case, pump shaft is socketed by bearing in the axis hole of pump case, axis hole mounting flange, ring flange card matches end cap, suit sealing emits on end cap, pump shaft connects impeller, the first disk bearing is socketed on pump shaft between impeller and pump case, drive end bearing bracket is connected on the left of pump case, impeller is within the cavity, impeller left end pocketed springs, second disk left end face is connected in the deep gouge among screen, and screen is connected on the inner wall at drive end bearing bracket inlet；Matched by the taper hole before the frustum and pump case that are arranged on pump shaft and the sealing of rear side emits and to form two containment members and can effectively solve the leakage problems for pumping intracavity liquid, the spring-force driven dual of side setting is good in shaft seal before the impeller simultaneously, and the first disk bearing is avoided that the friction that impeller is loosened and/or worn and is generated between pump case, the effect for also functioning to support impeller, can effectively extend the service life of pump by above structure.
Description
Technical field
The present invention relates to pump valve technical fields, more particularly to a kind of mechanically-sealing apparatus for pump housing leakproof.
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 to be leaked along pump shaft, this leakage problem is difficult to repair, also often
It 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, a kind of mechanically-sealing apparatus for pump housing leakproof is provided.
The present invention is achieved by the following technical solutions: a kind of mechanically-sealing apparatus for pump housing leakproof, including pump
Shell, the axis hole of the pump case is interior to be socketed pump shaft, axis hole rear end integrally connected ring flange by bearing, and ring flange card matches and passes through spiral shell
Bolt connection end cap, suit sealing emits on end cap, and sealing emits the ring muscle for being connected in the setting of ring flange left side, the connection of pump shaft front end
Impeller is socketed the first disk bearing on the pump shaft between impeller and pump case, connects drive end bearing bracket, shape between nose shell and pump case on the left of pump case
At cavity, the impeller is within the cavity, impeller left end pocketed springs one end, and it is right that the spring other end is socketed on the second disk bearing
End face setting boss on, the second disk left end face is connected in the deep gouge among screen, screen be connected to drive end bearing bracket into
On inner wall at liquid mouth.
As further improvement of these options, the screen 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 deep gouge, institute
It states and is laid with several through-holes on outer ring.
As further improvement of these options, the axis hole of the pump case is by the taper hole on front side of pump case, small end connection
Through-hole composition, taper hole cooperate the frustum of pump shaft, and step groove is equipped at the big end of the taper hole, the first disk is arranged in step groove
The right half part of bearing.
As further improvement of these options, the ring flange right side is equipped with circular groove, is evenly distributed on the outside of circular groove
Screw hole is arranged in circumference, and ring muscle is equipped at the outer of left side, forms groove on the inside of ring muscle and left side.
As further improvement of these options, it is wholely set on the end cap left side and ring flange right end face ring
The annular convex platform that ditch matches, annular convex platform outside are arranged the through-hole concentric with the screw hole on the outside of circular groove, are equipped on the inside of annular convex platform
Rotary table, 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 emitted that seals is equipped with sealing
Circle seals the interior snap ring being wholely set on the inside of the open end emitted for being clamped ring flange left end face ring muscle.
The present invention is had the advantage that compared with prior art with which has a compact structure and a reasonable design, thinking novel and unique, is led to
Taper hole before crossing the frustum and pump case being arranged on pump shaft matches and the sealing of rear side emits and to form two containment members and can effectively solve
The leakage problems of intracavity liquid are pumped, while the spring-force driven dual that side is arranged before the impeller is good in shaft seal, and the first disk
Bearing is avoided that the friction that impeller is loosened and/or worn and is generated between pump case, the effect of support impeller is also functioned to, by above-mentioned
Structure can effectively extend the service life of pump.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure enlargement diagram of mechanical seal in Fig. 1.
Fig. 3 is the structural schematic diagram of grid.
Specific embodiment
The following further describes the present invention with reference to the drawings.
As illustrated in fig. 1-3, a kind of mechanically-sealing apparatus for pump housing leakproof, including pump case 1, the axis of the pump case 1
Pump shaft 2, axis hole rear end integrally connected ring flange 7 are socketed by bearing 6 in hole, the card of ring flange 7 matches and end cap is bolted
8, suit sealing emits 9 on end cap 8, and sealing emits the 9 ring muscle 14 for being connected in the setting of 7 left side of ring flange, and 2 front end of pump shaft connects leaf
Wheel 5 is socketed the first disk bearing 10 on the pump shaft 2 between impeller 5 and pump case 1, connects drive end bearing bracket 3 on the left of pump case 1, nose shell 3 with
Cavity is formed between pump case 1, the impeller 5 is within the cavity, 5 left end pocketed springs of impeller, 13 one end, the socket of 13 other end of spring
In on the boss of 12 right side of the second disk bearing setting, 12 left side of the second disk bearing is connected in the deep gouge among screen 4
In 44, screen 4 is connected on the inner wall at 3 inlet of drive end bearing bracket.
As further improvement of these options, the screen 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 deep gouge 44, is laid with several through-holes 45 on the outer ring 41.
As further improvement of these options, the axis hole of the pump case 1 is by the taper hole on front side of pump case, small end connection
Through-hole composition, taper hole cooperate the frustum of pump shaft 2, and step groove is equipped at the big end of the taper hole, the first dish is arranged in step groove
The right half part of piece bearing 10.
As further improvement of these options, 7 right side of ring flange is equipped with circular groove 15,15 outside of circular groove
Screw hole is arranged in uniformly distributed circumference, and ring muscle 14 is equipped at the outer of left side, forms groove on the inside of ring muscle 14 and left side.
As further improvement of these options, it is wholely set on 8 left side of end cap and 7 right side of ring flange
The annular convex platform 16 that circular groove 15 matches, the setting through-hole concentric with the screw hole on the outside of circular groove 15, convex annular on the outside of annular convex platform 16
Rotary table is equipped on the inside of platform 16, rotary table card is assigned in the right output port of 1 axis hole of pump case.
As further improvement of these options, the hole wall for connecing pump shaft 2 that is used to wear that the sealing emits 9 is equipped with sealing
Circle 18, the open end inside that sealing emits 9 are wholely set the interior snap ring 17 for being clamped 7 left end face ring muscle 14 of ring flange.
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 (6)
1. a kind of mechanically-sealing apparatus for pump housing leakproof, including pump case, which is characterized in that pass through in the axis hole of the pump case
Bearing is socketed pump shaft, axis hole rear end integrally connected ring flange, and ring flange card is matched and is bolted end cap, is set on end cap close
Envelope emits, and sealing emits the ring muscle for being connected in the setting of ring flange left side, and pump shaft front end connects impeller, the pump shaft between impeller and pump case
The first disk bearing of upper socket, pump case left side connect drive end bearing bracket, form cavity between nose shell and pump case, the impeller is located at cavity
Interior, impeller left end pocketed springs one end, the spring other end is socketed on the boss of the second disk bearing right side setting, the second dish
Piece left end face is connected in the deep gouge among screen, and screen is connected on the inner wall at drive end bearing bracket inlet.
2. a kind of mechanically-sealing apparatus for pump housing leakproof according to claim 1, which is characterized in that the screen
It is made of outer ring, rib and inner panel, the outer ring radially inside uniformly connects several rib one end, and the rib other end connects inner panel
Outer edge, a plane of inner panel are equipped with deep gouge, are laid with several through-holes on the outer ring.
3. a kind of mechanically-sealing apparatus for pump housing leakproof according to claim 1, which is characterized in that the pump case
Axis hole is connected through-hole and is formed by the taper hole on front side of pump case, small end, the frustum of taper hole cooperation pump shaft, at the big end of the taper hole
Equipped with step groove, the right half part of the first disk bearing is set in step groove.
4. a kind of mechanically-sealing apparatus for pump housing leakproof according to claim 1, which is characterized in that the flange
Disk right side is equipped with circular groove, and screw hole is arranged in uniformly distributed circumference on the outside of circular groove, is equipped with ring muscle, ring muscle and left end at the outer of left side
Groove is formed on the inside of face.
5. a kind of mechanically-sealing apparatus for pump housing leakproof according to claim 1, which is characterized in that the end cap
The annular convex platform to match with ring flange right side circular groove is wholely set on left side, on the outside of annular convex platform setting on the outside of circular groove
The concentric through-hole of screw 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. a kind of mechanically-sealing apparatus for pump housing leakproof according to claim 1, which is characterized in that the sealing emits
Connect the hole wall of pump shaft for wearing and be equipped with sealing ring, seal and be wholely set on the inside of the open end that emits for being clamped ring flange left end
The interior snap ring of face ring muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287078.0A CN109488635B (en) | 2018-10-31 | 2018-10-31 | Mechanical sealing device for pump body leakage prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287078.0A CN109488635B (en) | 2018-10-31 | 2018-10-31 | Mechanical sealing device for pump body leakage prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488635A true CN109488635A (en) | 2019-03-19 |
| CN109488635B CN109488635B (en) | 2024-05-17 |
Family
ID=65693503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287078.0A Active CN109488635B (en) | 2018-10-31 | 2018-10-31 | Mechanical sealing device for pump body leakage prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488635B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236725A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | A kind of sealing device for pump housing antiseep |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168682A (en) * | 2011-05-31 | 2011-08-31 | 安徽凯特泵业有限公司 | Mechanical seal used for pump |
| CN102478009A (en) * | 2010-11-25 | 2012-05-30 | 苏祥 | Dyeing pump |
| CN103216464A (en) * | 2013-01-18 | 2013-07-24 | 江苏亚梅泵业制造有限公司 | Desulphurization pump |
| CN103573643A (en) * | 2013-11-07 | 2014-02-12 | 泾县双氟泵阀技术服务有限公司 | Novel plastic-lined centrifugal pump |
| CN207033849U (en) * | 2017-07-12 | 2018-02-23 | 安徽腾龙泵阀制造有限公司 | A kind of conjuncted magnetic drive pump |
| CN109236725A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | A kind of sealing device for pump housing antiseep |
| CN109236720A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | Leak-tight seal assembly apparatus at a kind of pump shaft |
-
2018
- 2018-10-31 CN CN201811287078.0A patent/CN109488635B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478009A (en) * | 2010-11-25 | 2012-05-30 | 苏祥 | Dyeing pump |
| CN102168682A (en) * | 2011-05-31 | 2011-08-31 | 安徽凯特泵业有限公司 | Mechanical seal used for pump |
| CN103216464A (en) * | 2013-01-18 | 2013-07-24 | 江苏亚梅泵业制造有限公司 | Desulphurization pump |
| CN103573643A (en) * | 2013-11-07 | 2014-02-12 | 泾县双氟泵阀技术服务有限公司 | Novel plastic-lined centrifugal pump |
| CN207033849U (en) * | 2017-07-12 | 2018-02-23 | 安徽腾龙泵阀制造有限公司 | A kind of conjuncted magnetic drive pump |
| CN109236725A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | A kind of sealing device for pump housing antiseep |
| CN109236720A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | Leak-tight seal assembly apparatus at a kind of pump shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236725A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | A kind of sealing device for pump housing antiseep |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109488635B (en) | 2024-05-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Denomination of invention: A mechanical sealing device for pump body leakage prevention Granted publication date: 20240517 Pledgee: Huishang Bank Co.,Ltd. Jingxian Branch Pledgor: ANHUI TENGLONG PUMP AND VALVE MANUFACTURING CO.,LTD. Registration number: Y2024980023634 |