CN202326372U - Automobile water pump - Google Patents
Automobile water pump Download PDFInfo
- Publication number
- CN202326372U CN202326372U CN2011204845225U CN201120484522U CN202326372U CN 202326372 U CN202326372 U CN 202326372U CN 2011204845225 U CN2011204845225 U CN 2011204845225U CN 201120484522 U CN201120484522 U CN 201120484522U CN 202326372 U CN202326372 U CN 202326372U
- Authority
- CN
- China
- Prior art keywords
- water pump
- seat
- ring
- stationary ring
- cover
- 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
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- Mechanical Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an automobile water pump which comprises a water pump shell and a shaft connection bearing, wherein the water pump shell is provided with a pump cavity; the shaft connection bearing is arranged in the pump cavity in a penetrating manner; a water seal is pressed between the shaft connection bearing and the water pump shell; the water seal comprises a static sealing component in seal fit with the water pump shell and a dynamic sealing component in seal fit with the shaft connection bearing; the static sealing component comprises a seat sleeve, a corrugated pipe seat, a corrugated pipe, a stationary ring seat and a stationary ring; the corrugated pipe seat has a U-shaped section; the two sides of the corrugated pipe seat are turned outwards to form a first flange and a second flange; the outer side of the corrugated pipe seat is attached to the inner wall of the pump cavity of the water pump shell for sealing; the first flange on the outer side abuts against the end surface of the water pump shell in seal fit manner; the dynamic sealing component comprises a transmission seat, an auxiliary sealing ring and a rotation ring; the rotation ring is arranged in the transmission seat; the auxiliary sealing ring is arranged between the rotation ring and the transmission seat; and the end surface of the rotation ring abuts against the end surface of the stationary ring in seal fit manner. Compared with the prior art, the automobile water pump provided by the utility model realizes more reliable sealing.
Description
Technical field
The utility model relates to the pump technology field on the automobile, is specifically related to a kind of auto pump.
Background technique
Engine cooling water pump is a vitals in the engine-cooling system, and the cooling waterpump effect is to cooling liquid pressurization, guarantees that cooling liquid circulates the heat that produces when taking away engine operation in cooling system, keep the motor normal working temperature.
Engine cooling water pump generally comprises the water pump cover that is provided with pump chamber, is equipped with shaft connecting bearing in the pump chamber, and be pressed into water seal between shaft connecting bearing and the water pump cover and form sealing, shaft connecting bearing one end mounted impeller, the other end is equiped with wheel hub, and belt wheel is installed on the wheel hub; The sealing structure for water design of the cooling waterpump of existing structure is unreasonable, runs up down at shaft connecting bearing, and water seal is easy to generate leakage, has the insecure shortcoming of sealing.
Summary of the invention
To the deficiency that existing technology exists, the purpose of the utility model is to provide a kind of reliable sealing auto pump.
For realizing above-mentioned purpose, the utility model provides following technological scheme: a kind of auto pump comprises the water pump cover that is provided with pump chamber and is arranged in the shaft connecting bearing in the pump chamber; Be pressed into water seal between said shaft connecting bearing and the water pump cover, said shaft connecting bearing one end mounted impeller, the other end is equiped with wheel hub; Belt pulley is installed on the wheel hub; Said water seal includes static seal assembly that is sealed and matched with water pump cover and the dynamic sealing assembly that is sealed and matched with shaft connecting bearing, and it is characterized in that: described static seal assembly includes cover for seat, corrugated header, bellows, stationary ring seat and stationary ring, and described corrugated header cross section is a U-shaped; The corrugated header dual-side turns up and forms first rib and second rib; Said corrugated header outer side is pasted sealing mutually with water pump cover pump chamber inwall, and the sealing of fitting that offsets of first rib on the outer side and water pump cover end face, and said corrugated header inner side edge is connected with cover for seat; Second rib on cover for seat and the inner side edge forms the installation cavity that bellows one end embeds; Said bellows one end embeds in the installation cavity, and the other end is connected with stationary ring and stationary ring seat, is provided with spring between said stationary ring seat and the corrugated header; Described dynamic sealing assembly includes retainer, auxiliary seal ring and rotating ring; Establish rotating ring in the said retainer, be provided with auxiliary seal ring between said rotating ring and the retainer, said rotating ring end face and said stationary ring end face offset and are adjacent to sealing.
Through adopting technique scheme; Corrugated header and water pump cover are adjacent to sealing and further corrugated header are pressed on the water pump cover through spring; Retainer fits tightly sealing with shaft connecting bearing and runs up with shaft connecting bearing; The rotating ring that is provided with through retainer offsets to cooperate with the stationary ring end face and forms motive sealing; Spring is pressed to rotating ring with stationary ring and is guaranteed that rotating ring and stationary ring are adjacent to sealing simultaneously, and has wearing and tearing back compensating action automatically, guarantees under shaft connecting bearing runs up state, also to have excellent sealing performance.
The utility model further is set to: described stationary ring is that impregnated graphite is processed and is provided with boss with a side that rotating ring pastes mutually, and opposite side is provided with groove, and said rotating ring adopts the corundum porcelain to process, and the end face of said boss and rotating ring offset to fit and seal.
Through adopting technique scheme, stationary ring adopts boss and groove setting, and the direction that stationary ring edge and rotating ring are pasted mutually has elasticity, and stationary ring and rotating ring are adjacent to reliably, improves sealability.
The utility model further is set to: described corrugated header is provided with sealer with the side that water pump cover pastes mutually, and a side of described retainer and the subsides of all connecting shaft phase inversions is provided with sealer.
Through adopting technique scheme, further guarantee the sealability of water seal and water pump cover and shaft connecting bearing, improve the sealing reliability between water pump cover and the shaft connecting bearing.
This practicality newly further is set to: described wheel hub includes the disc type hub body, and said hub body periphery is provided with to extraradial three mounting blocks, and said three mounting blocks are distributed on the hub body periphery.
Through adopting technique scheme, the Manufacturing material of under the situation that guarantees the belt pulley reliable installation, having saved wheel hub reduces cost of production.
The utility model further is set to: described hub body is towards deviating from the protruding spherical surface body of impeller direction.
Through adopting the said structure setting, improved the stable installation property of belt pulley, make belt wheel that the back running is installed and stablize.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the auto pump structural representation of the utility model;
Fig. 2 is the auto pump half sectional view of the utility model;
Fig. 3 is the structural representation of the auto pump water seal of the utility model;
Fig. 4 is the wheel hub structure schematic representation of the auto pump of the utility model.
The 1-water pump cover, 2-shaft connecting bearing, 3-wheel hub, 31-hub body, 32-mounting blocks, 320-attachment hole; The 4-impeller, 5-water seal, 51-static seal assembly, 510-corrugated header, 5100-first rib, 5101-second rib; The 511-cover for seat, 512-bellows, 513-stationary ring seat, 514-stationary ring, 5140-boss; The 515-spring, 52-dynamic sealing assembly, 520-retainer, 521-rotating ring, 522-auxiliary seal ring.
Embodiment
Like Fig. 1 to Fig. 4; The disclosed a kind of auto pump of the utility model; Comprise the water pump cover 1 that is provided with pump chamber and be arranged in the shaft connecting bearing 2 in the pump chamber, be pressed into water seal 5 between said shaft connecting bearing 2 and the water pump cover 1, said shaft connecting bearing 2 one end mounted impeller 4; The other end is equiped with wheel hub 3, on the wheel hub 3 belt pulley is installed.Said wheel hub 3 includes disc type hub body 31; Hub body 31 is towards deviating from the protruding spherical surface body of impeller 4 directions; Said hub body 31 peripheries are provided with to extraradial three mounting blocks 32; Said three mounting blocks 32 are distributed on hub body 31 peripheries, are equipped with attachment hole 320 on three mounting blocks 32, and belt wheel is installed on the wheel hub 3 through bolt.
Described water seal 5 includes static seal assembly 51 that is sealed and matched with water pump cover 1 and the dynamic sealing assembly 52 that is sealed and matched with shaft connecting bearing 2; Described static seal assembly 51 includes cover for seat 511, corrugated header 510, bellows 512, stationary ring seat 513 and stationary ring 514; Described corrugated header 510 cross sections are U-shaped, and corrugated header 510 dual-sides turn up and form first rib 5100 and second rib 5101; Said corrugated header 510 outer side are pasted sealing mutually with the pump chamber inwall of water pump cover 1; And on the side of pasting mutually, be coated with sealer; And first rib 5100 on the outer side offsets to fit with water pump cover 1 end face and seals, and on a side of pasting mutually, is coated with sealer; Said corrugated header 510 inboards are socketed in (corrugated header 510 inner side edges compress with cover for seat 511 and are connected one) on the cover for seat 511; Cover for seat 511 is bent to form the step of an indent, and second rib 5101 on the cover for seat 511 on the step place of indent and the inner side edge forms the installation cavity that bellows 512 1 ends embed; Said bellows 512 1 ends embed in the installation cavity, and the other end is bent to form stepped slot, and stepped slot is embedded in installs said stationary ring 514; Said bellows 512 is provided with sheathed said stationary ring seat 513 on the opposite side of stationary ring 514 1 sides; Be provided with spring 515 between said stationary ring seat 513 and the corrugated header 510.Described dynamic sealing assembly 52 includes retainer 520, auxiliary seal ring 522 and rotating ring 521; Said retainer 520 is sheathed on the shaft connecting bearing 2; And be coated with sealer on the side that shaft connecting bearing 2 pastes mutually; Said retainer 520 extends to cover for seat 511 indent step places with the side that shaft connecting bearing 2 pastes mutually; And the formation flange that turns up, flange is fastened on cover for seat 511 steps, is provided with like this to have improved the connection reliability of dynamic sealing assembly 52 with static seal assembly 51; In the said retainer 520 rotating ring 521 is set, pad is provided with auxiliary seal ring 522 between said rotating ring 521 and the retainer 520, and said rotating ring 521 end faces and said stationary ring 514 end faces offset and are adjacent to sealing.
For further improving the applying sealing reliability and the wear-resisting property of rotating ring 521 and stationary ring 514; Described rotating ring 521 adopts corundum porcelain (aluminium oxide ceramics) to process; Described stationary ring 514 adopts impregnated graphite to process; Stationary ring 514 is provided with boss 5140 with the side that rotating ring 521 pastes mutually, and opposite side is provided with groove, and the upper-end surface of said boss 5140 and rotating ring 521 offset to form and compress the sealing of fitting.
Cover for seat 511 described in the utility model, corrugated header 510, spring 515, stationary ring seat 513 and retainer 520 all adopt stainless steel to process, and described bellows 512 adopts the hydrogenation nitrile rubber to process.
The foregoing description only is used to explain the usefulness of the utility model; It is not restriction to the utility model; Those skilled in the art also can make corresponding distortion and modification under the guidance of the utility model connotation, so all technological schemes that are equal to all belong to the protection domain of the utility model.
Claims (7)
1. an auto pump comprises the water pump cover that is provided with pump chamber and is arranged in the shaft connecting bearing in the pump chamber, has been pressed into water seal between said shaft connecting bearing and the water pump cover; Said shaft connecting bearing one end mounted impeller, the other end is equiped with wheel hub, and belt pulley is installed on the wheel hub; Said water seal includes static seal assembly that is sealed and matched with water pump cover and the dynamic sealing assembly that is sealed and matched with shaft connecting bearing, and it is characterized in that: described static seal assembly includes cover for seat, corrugated header, bellows, stationary ring seat and stationary ring, and described corrugated header cross section is a U-shaped; The corrugated header dual-side turns up and forms first rib and second rib; Said corrugated header outer side is pasted sealing mutually with water pump cover pump chamber inwall, and the sealing of fitting that offsets of first rib on the outer side and water pump cover end face, and said corrugated header inner side edge is connected with cover for seat; Second rib on cover for seat and the inner side edge forms the installation cavity that bellows one end embeds; Said bellows one end embeds in the installation cavity, and the other end is connected with stationary ring and stationary ring seat, is provided with spring between said stationary ring seat and the corrugated header; Described dynamic sealing assembly includes retainer, auxiliary seal ring and rotating ring; Establish rotating ring in the said retainer, be provided with auxiliary seal ring between said rotating ring and the retainer, said rotating ring end face and said stationary ring end face offset and are adjacent to sealing.
2. auto pump according to claim 1; It is characterized in that: described stationary ring is that impregnated graphite is processed and is provided with boss with a side that rotating ring pastes mutually; Opposite side is provided with groove, and said rotating ring adopts the corundum porcelain to process, and the end face of said boss and rotating ring offset to fit and seal.
3. auto pump according to claim 1 and 2 is characterized in that: described corrugated header is provided with sealer with the side that water pump cover pastes mutually, and described retainer is provided with sealer with the side that axle connecting shaft phase inversion pastes.
4. auto pump according to claim 1 and 2 is characterized in that: described wheel hub includes the disc type hub body, and said hub body periphery is provided with to extraradial three mounting blocks, and said three mounting blocks are distributed on the hub body periphery.
5. auto pump according to claim 3 is characterized in that: described wheel hub includes the disc type hub body, and said hub body periphery is provided with to extraradial three mounting blocks, and said three mounting blocks are distributed on the hub body periphery.
6. auto pump according to claim 4 is characterized in that: described hub body is towards deviating from the protruding spherical surface body of impeller direction.
7. auto pump according to claim 5 is characterized in that: described hub body is towards deviating from the protruding spherical surface body of impeller direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204845225U CN202326372U (en) | 2011-11-29 | 2011-11-29 | Automobile water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204845225U CN202326372U (en) | 2011-11-29 | 2011-11-29 | Automobile water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326372U true CN202326372U (en) | 2012-07-11 |
Family
ID=46438354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204845225U Expired - Fee Related CN202326372U (en) | 2011-11-29 | 2011-11-29 | Automobile water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797868A (en) * | 2012-11-15 | 2015-07-22 | 伊格尔博格曼德国有限公司 | Mechanical seal arrangement having an improved secondary seal |
-
2011
- 2011-11-29 CN CN2011204845225U patent/CN202326372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797868A (en) * | 2012-11-15 | 2015-07-22 | 伊格尔博格曼德国有限公司 | Mechanical seal arrangement having an improved secondary seal |
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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: 20120711 Termination date: 20131129 |