CN106640737A - Dry-grinding-resistant water seal for auto water pump - Google Patents
Dry-grinding-resistant water seal for auto water pump Download PDFInfo
- Publication number
- CN106640737A CN106640737A CN201611033707.8A CN201611033707A CN106640737A CN 106640737 A CN106640737 A CN 106640737A CN 201611033707 A CN201611033707 A CN 201611033707A CN 106640737 A CN106640737 A CN 106640737A
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- China
- Prior art keywords
- ring
- outer flange
- annular
- sleeve
- flange
- 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.)
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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
- F04D29/086—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
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention provides a dry-grinding-resistant water seal for an auto water pump. The water seal comprises a movable ring part and a stationary ring part. A first outer edge ring which extends along the radial direction of a shaft sleeve is arranged on one side of the shaft sleeve, a mounting seat sleeves one end, far from the first outer edge ring, of the shaft sleeve, a second outer edge ring which extends along the radial direction of the mounting seat is arranged at one end, far from the first outer edge ring, of the mounting seat, and a water jacket is mounted on the second outer edge ring; a movable ring sleeves the outer side of the shaft sleeve and leans against the first outer edge ring; an inner sleeve sleeves the outer side of the mounting seat; a stationary ring sleeves the outer side of the inner sleeve and the stationary ring fits the movable ring; a rubber corrugated pipe comprises a first annular pipe and a second annular pipe; an outer sleeve sleeves the outer side of the first annular pipe and the inner side face of the outer sleeve is tightly attached to the outer side face of the first annular pipe. By arranging the water jacket, a cooling liquid can be stored in a gap between the water jacket and the movable ring part; if temporal shortage of a cooling liquid happens, the cooling liquid stored in the gap can continuously cool and lubricate the movable ring and the stationary ring, so that a phenomenon of dry friction is effectively avoided.
Description
Technical field
The present invention relates to water pump seal technical field, more particularly to a kind of anti-dry grinding auto pump water seal.
Background technology
In prior art, the engine cooled down by coolant generally needs water pump to provide suitable flow and lift.
During pump working, water seal is needed to sealing between water pump bearing and the pump housing.The water seal arrangement of water pump generally mainly includes ripple
Line pipe, spring base, spring, inner sleeve, outer sleeve, stationary ring, rotating ring and axle sleeve.The corrugated header of water seal arrangement is installed on water pump pump
In the installing hole of body, by spring compression, water sealing stationary ring is connected with corrugated header, constitutes with the rotating ring for being attached to axle sleeve close
Seal structure.Its bottom bracket axle adopts interference fit with water pump bearing.Water seal axle sleeve and rotating ring together revolve under the drive of water pump bearing
Turn, stationary ring fit with water seal movable ring all the time under the compressing of spring, so as to constitute the sealing under water pump bearing rotates to coolant.
In the case of the water pump seal coolant that uses at present is insufficient, dry friction phenomenon can be produced, cause temperature to raise,
Rubber parts fusing causes water seal to reveal failure.
The content of the invention
Based on technical problem present in background technology, the present invention proposes a kind of anti-dry grinding auto pump water seal.
The anti-auto pump water seal of dry grinding of one kind proposed by the present invention, including movable ring part and stationary ring part, movable ring part
Including axle sleeve, rubber bushing and rotating ring, stationary ring part includes mounting seat, inner sleeve, stationary ring, outer sleeve, rubber bellows and water
Set, wherein：
Axle sleeve side is provided with the outer flange of first for radially extending outwardly, and mounting seat is set in axle sleeve away from the first outside
Circle one end, mounting seat is provided with the second outer flange for radially extending outwardly away from first outer flange one end, and water jacket is installed in the
On two outer flanges and axle sleeve be located at water jacket in, surround annular between axle sleeve, mounting seat, the first outer flange, the second outer flange, water jacket
Installation cavity, rotating ring, inner sleeve, stationary ring, outer sleeve, rubber bellows are arranged in annular installation cavity；
Rotating ring is set in axle sleeve outside and rotating ring and the first outer flange are against being provided with rubber bushing between rotating ring and axle sleeve；
Inner sleeve is set in mounting seat outside；Stationary ring is set in inner sleeve outside and stationary ring is fitted with rotating ring；Rubber bellows include the
One ring pipe and the second ring pipe, first annular pipe box is located at stationary ring outside and its medial surface is brought into close contact with stationary ring lateral surface,
First annular pipe is provided with the second ring pipe extended towards mounting seat direction, the second ring pipe medial surface near second outer flange one end
It is brought into close contact with mounting seat lateral surface；Outer sleeve is set in first annular pipe outside and outside outer sleeve medial surface and first annular pipe
Side is brought into close contact.
Preferably, the first outer flange outer is provided with the first annular circle extended towards the second outer flange direction, first annular circle,
Rotating ring draw-in groove is surrounded between first outer flange and axle sleeve, rotating ring is connected in rotating ring draw-in groove.
Preferably, the second outer flange is provided with the circumferential wave groove towards the first outer flange direction depression near mounting seat side.
Preferably, the second outer flange outer is provided with the second annular ring extended towards the first outer flange direction, the second annular ring
The 3rd outer flange for radially extending outwardly is provided near first outer flange one end.
Preferably, water jacket is provided with the 4th outer flange for radially extending outwardly near second outer flange one end, outside the 4th
Flange is fixedly connected with the 3rd outer flange.
Preferably, the second annular ring is provided with a circle fluid sealant away from annular installation cavity side.
Preferably, inner sleeve is provided with the 5th outer flange for radially extending outwardly near first outer flange one end, and the 5th
Outer flange upper surface and the second ring pipe lower surface against.
Preferably, outer sleeve is provided with the interior flange for radially extending inwardly near second outer flange one end, under interior flange
Surface and the second ring pipe upper surface against.
Preferably, along the 3rd annular ring being provided with towards the second outer flange direction extension in interior flange.
Preferably, spring is provided with the second outer flange, the gap between the second annular ring, interior flange, the 3rd annular ring,
Spring be set in the 3rd annular ring outside and spring and interior flange against.
In the present invention, axle sleeve side is provided with the outer flange of first for radially extending outwardly, and it is remote that mounting seat is set in axle sleeve
From first outer flange one end, mounting seat is provided with the second outer flange for radially extending outwardly, water away from first outer flange one end
Set is arranged on the second outer flange and axle sleeve is located in water jacket；Rotating ring is set in axle sleeve outside and rotating ring is supported with the first outer flange
Lean on；Inner sleeve is set in mounting seat outside；Stationary ring is set in inner sleeve outside and stationary ring is fitted with rotating ring；Rubber bellows include
First annular pipe and the second ring pipe, first annular pipe box is located at stationary ring outside and its medial surface is closely pasted with stationary ring lateral surface
Close, first annular pipe is provided with the second ring pipe extended towards mounting seat direction near second outer flange one end, in the second ring pipe
Side is brought into close contact with mounting seat lateral surface；Outer sleeve be set in first annular pipe outside and outer sleeve medial surface with it is first annular
Pipe lateral surface is brought into close contact.By the water pump water seal of above-mentioned optimization, coolant water jacket can be stored in by arranging water jacket
It is not enough if there is temporary coolant in operation process in gap and movable ring part between, it is stored in cold in gap
But liquid can carry out lasting cooling and lubricating to rotating ring and stationary ring, thus can effectively avoid dry friction from occurring, it is to avoid temperature
Height is spent, causes rubber parts fusing failure；Interference fit is adopted between axle sleeve of the present invention and water pump bearing so that water seal and water pump
Bearing is fitted close, and axle sleeve and rotating ring are rotated together with the drive of water pump bearing, and stationary ring is in inner sleeve, outer sleeve, mounting seat
And fit with water seal movable ring all the time under the compressing of rubber bellows, so as to constitute water pump bearing rotation under to the close of coolant
Envelope, good sealing effect.
Description of the drawings
Fig. 1 is the anti-dry grinding auto pump sealing structure for water schematic diagram of one kind proposed by the present invention.
Specific embodiment
With reference to Fig. 1, the present invention proposes a kind of anti-dry grinding auto pump water seal, including movable ring part and stationary ring part, moves
Ring component includes axle sleeve 1, rubber bushing 2 and rotating ring 3, and stationary ring part includes mounting seat 4, inner sleeve 5, stationary ring 6, outer sleeve 7, rubber
Glue bellows 8, water jacket 9 and spring 10, wherein：
The side of axle sleeve 1 is provided with the outer flange 11 of first for radially extending outwardly, and mounting seat 4 is set in axle sleeve 1 away from
The one end of one outer flange 11, mounting seat 4 is provided with the second outer flange 41 for radially extending outwardly away from the one end of the first outer flange 11.
The outer of first outer flange 11 is provided with the first annular circle 12 extended towards the direction of the second outer flange 41, outside first annular circle 12, first
Rotating ring draw-in groove is surrounded between flange 11 and axle sleeve 1.Second outer flange 41 is provided with towards the side of the first outer flange 11 near the side of mounting seat 4
To the circumferential wave groove 42 of depression, the outer of the second outer flange 41 is provided with the second annular ring extended towards the direction of the first outer flange 11
43, the second annular ring 43 is provided with a circle fluid sealant 45 away from annular installation cavity side, and the second annular ring 43 is near the first outer flange
11 one end are provided with the 3rd outer flange 44 for radially extending outwardly.
Water jacket 9 is provided with the 4th outer flange 91 for radially extending outwardly, the 4th outside near the one end of the second outer flange 41
Circle 91 is fixedly connected with the 3rd outer flange 44, and axle sleeve 1 is located in water jacket 9, outside axle sleeve 1, mounting seat 4, the first outer flange 11, second
Annular installation cavity is surrounded between flange 41, water jacket 9, rotating ring 3, inner sleeve 5, stationary ring 6, outer sleeve 7, rubber bellows 8 are respectively provided with
In annular installation cavity.
Rotating ring 3 is connected in rotating ring draw-in groove and rotating ring 3 is set in the outside of axle sleeve 1, the outer flange 11 of rotating ring 3 and first against and
Rubber bushing 2 is provided between rotating ring 3 and axle sleeve 1.
Inner sleeve 5 is set in the outside of mounting seat 4；Inner sleeve 5 is provided with radially outwardly near the one end of the first outer flange 11
The 5th outer flange 51 for extending.
Stationary ring 6 is set in the outside of inner sleeve 5 and stationary ring 6 is fitted with rotating ring 3.
Rubber bellows 8 include the ring pipe 82 of first annular pipe 81 and second, and first annular pipe 81 is set in the outside of stationary ring 6
And its medial surface is brought into close contact with the lateral surface of stationary ring 6, first annular pipe 81 is provided with towards mounting seat 4 near the one end of the second outer flange 41
The second ring pipe 82 that direction extends, the medial surface of the second ring pipe 82 is brought into close contact with the lateral surface of mounting seat 4.5th outer flange 51
Upper surface and the lower surface of the second ring pipe 82 against.
Outer sleeve 7 is set in the outside of first annular pipe 81 and the medial surface of outer sleeve 7 is tight with the lateral surface of first annular pipe 81
Laminating, outer sleeve 7 is provided with the interior flange 71 for radially extending inwardly, the lower surface of interior flange 71 near the one end of the second outer flange 41
With the upper surface of the second ring pipe 82 against along the 3rd annular ring being provided with towards the extension of the direction of the second outer flange 41 in interior flange 71
72。
Spring 10 is arranged on the second outer flange 41, the second annular ring 43, the gap between interior flange 71, the 3rd annular ring 72
It is interior, spring 10 be set in the outside of the 3rd annular ring 72 and spring 10 and interior flange 71 against.Spring 10 can further oppress quiet
Ring 6 so that stationary ring 6 is fitted closely with rotating ring 3.
The anti-auto pump water seal of dry grinding of one kind proposed by the present invention, can be stored in coolant by arranging water jacket 9
It is not enough if there is temporary coolant in operation process in gap between water jacket 9 and movable ring part, it is stored in gap
Interior coolant can carry out lasting cooling and lubricating to rotating ring 3 and stationary ring 6, thus can effectively avoid unlubricated friction from clashing
It is existing, it is to avoid temperature is too high, cause rubber parts fusing failure；Interference fit is adopted between axle sleeve of the present invention 1 and water pump bearing so that
Water seal and water pump bearing are fitted close, and axle sleeve 1 and rotating ring 3 are rotated together with the drive of water pump bearing, stationary ring 6 inner sleeve 5,
Fit with water seal movable ring all the time under the compressing of outer sleeve 7, mounting seat 4 and rubber bellows 8, so as to constitute water pump bearing rotation
Under sealing to coolant, good sealing effect.One is arranged in the outside of the second annular ring 43 and enclose fluid sealant 45, improve stationary ring part
Sealing effectiveness between water pump；By arranging circumferential wave groove 42 on the second outer flange 41, rubber bellows 8 can be increased
Oppressive force to stationary ring 6 so that stationary ring 6 is brought into close contact with rotating ring 3.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of anti-dry grinding auto pump water seal, it is characterised in that including movable ring part and stationary ring part, movable ring part includes
Axle sleeve (1), rubber bushing (2) and rotating ring (3), stationary ring part includes mounting seat (4), inner sleeve (5), stationary ring (6), outer sleeve
(7), rubber bellows (8) and water jacket (9), wherein：
Axle sleeve (1) side is provided with the outer flange of first for radially extending outwardly (11), and it is remote that mounting seat (4) is set in axle sleeve (1)
From first outer flange (11) one end, mounting seat (4) is provided with for radially extending outwardly away from first outer flange (11) one end
Two outer flanges (41), water jacket (9) is on the second outer flange (41) and axle sleeve (1) is in water jacket (9), axle sleeve (1), installation
Seat (4), between the first outer flange (11), the second outer flange (41), water jacket (9) surround annular installation cavity, rotating ring (3), inner sleeve
(5), stationary ring (6), outer sleeve (7), rubber bellows (8) are arranged in annular installation cavity；
Rotating ring (3) be set in axle sleeve (1) outside and rotating ring (3) and the first outer flange (11) against, rotating ring (3) and axle sleeve (1) it
Between be provided with rubber bushing (2)；Inner sleeve (5) is set in mounting seat (4) outside；Stationary ring (6) is set on the outside of inner sleeve (5) and quiet
Ring (6) is fitted with rotating ring (3)；Rubber bellows (8) include first annular pipe (81) and the second ring pipe (82), first annular pipe
(81) it is set in stationary ring (6) outside and its medial surface is brought into close contact with stationary ring (6) lateral surface, first annular pipe (81) is near second
Outer flange (41) one end be provided with towards mounting seat (4) direction extend the second ring pipe (82), the second ring pipe (82) medial surface with
Mounting seat (4) lateral surface is brought into close contact；Outer sleeve (7) be set in first annular pipe (81) outside and outer sleeve (7) medial surface with
First annular pipe (81) lateral surface is brought into close contact.
2. anti-dry grinding auto pump water seal according to claim 1, it is characterised in that the first outer flange (11) outer sets
There are the first annular circle (12) extended towards the second outer flange (41) direction, first annular circle (12), the first outer flange (11) and axle
Rotating ring draw-in groove is surrounded between set (1), rotating ring (3) is connected in rotating ring draw-in groove.
3. anti-dry grinding auto pump water seal according to claim 1, it is characterised in that the second outer flange (41) is near peace
Dress seat (4) side is provided with the circumferential wave groove (42) towards the first outer flange (11) direction depression.
4. the anti-dry grinding auto pump water seal according to any one of claim 1-3, it is characterised in that the second outer flange
(41) outer is provided with the second annular ring (43) extended towards the first outer flange (11) direction, and the second annular ring (43) is outside first
Flange (11) one end is provided with the outer flange (44) of the 3rd for radially extending outwardly.
5. anti-dry grinding auto pump water seal according to claim 4, it is characterised in that water jacket (9) is near the second outside
Circle (41) one end is provided with the outer flange (91) of the 4th for radially extending outwardly, the 4th outer flange (91) and the 3rd outer flange (44)
It is fixedly connected.
6. the anti-dry grinding auto pump water seal according to claim 4 or 5, it is characterised in that the second annular ring (43) is remote
A circle fluid sealant (45) is provided with from annular installation cavity side.
7. the anti-dry grinding auto pump water seal according to any one of claim 1-3, it is characterised in that inner sleeve (5)
The outer flange (51) of the 5th for radially extending outwardly, the 5th outer flange (51) upper end are provided near first outer flange (11) one end
Face and the second ring pipe (82) lower surface against.
8. the anti-dry grinding auto pump water seal according to any one of claim 1-3, it is characterised in that outer sleeve (7)
The interior flange (71) for radially extending inwardly, interior flange (71) lower surface and second are provided near second outer flange (41) one end
Ring pipe (82) upper surface against.
9. anti-dry grinding auto pump water seal according to claim 8, it is characterised in that edge is provided with court in interior flange (71)
The 3rd annular ring (72) that second outer flange (41) direction extends.
10. anti-dry grinding auto pump water seal according to claim 9, it is characterised in that the second outer flange (41), the
Spring (10) is provided with gap between second ring circle (43), interior flange (71), the 3rd annular ring (72), spring (10) is set in
3rd annular ring (72) outside and spring (10) and interior flange (71) against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611033707.8A CN106640737A (en) | 2016-11-14 | 2016-11-14 | Dry-grinding-resistant water seal for auto water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611033707.8A CN106640737A (en) | 2016-11-14 | 2016-11-14 | Dry-grinding-resistant water seal for auto water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106640737A true CN106640737A (en) | 2017-05-10 |
Family
ID=58809069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611033707.8A Pending CN106640737A (en) | 2016-11-14 | 2016-11-14 | Dry-grinding-resistant water seal for auto water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640737A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012184843A (en) * | 2011-03-04 | 2012-09-27 | Mahle Internatl Gmbh | Mechanical seal |
| CN103174668A (en) * | 2011-12-21 | 2013-06-26 | Kaco有限及两合公司 | Slip ring seal |
| CN104131994A (en) * | 2013-04-30 | 2014-11-05 | 密凯加机械技术股份公司 | Mechanical seal |
| CN205047850U (en) * | 2015-10-23 | 2016-02-24 | 宁波方力密封件有限公司 | Mechanical seal assembly |
| CN205349836U (en) * | 2016-02-23 | 2016-06-29 | 北京福田康明斯发动机有限公司 | Liquid seal structure, water pump and engine |
| CN206338237U (en) * | 2016-11-14 | 2017-07-18 | 嘉科（安徽）密封技术有限公司 | A kind of anti-dry grinding auto pump water seal |
-
2016
- 2016-11-14 CN CN201611033707.8A patent/CN106640737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012184843A (en) * | 2011-03-04 | 2012-09-27 | Mahle Internatl Gmbh | Mechanical seal |
| CN103174668A (en) * | 2011-12-21 | 2013-06-26 | Kaco有限及两合公司 | Slip ring seal |
| CN104131994A (en) * | 2013-04-30 | 2014-11-05 | 密凯加机械技术股份公司 | Mechanical seal |
| CN205047850U (en) * | 2015-10-23 | 2016-02-24 | 宁波方力密封件有限公司 | Mechanical seal assembly |
| CN205349836U (en) * | 2016-02-23 | 2016-06-29 | 北京福田康明斯发动机有限公司 | Liquid seal structure, water pump and engine |
| CN206338237U (en) * | 2016-11-14 | 2017-07-18 | 嘉科（安徽）密封技术有限公司 | A kind of anti-dry grinding auto pump water seal |
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