CN206035888U - Automobile engine cooling water pump water seal - Google Patents
Automobile engine cooling water pump water seal Download PDFInfo
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- CN206035888U CN206035888U CN201620968841.6U CN201620968841U CN206035888U CN 206035888 U CN206035888 U CN 206035888U CN 201620968841 U CN201620968841 U CN 201620968841U CN 206035888 U CN206035888 U CN 206035888U
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- ring
- stationary ring
- seat
- spring
- cover
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Abstract
The utility model provides an automobile engine cooling water pump water seal, includes stationary ring subassembly and rotatory ring subassembly, wherein the rotatory subassembly that encircles adopts interference fit's mode assembly to be in the same place including rotatory ring, auxiliary seal circle and transmission seat. Between rotation ring, auxiliary seal circle and the transmission seat.. The stationary ring subassembly includes stationary ring, O type circle, gasket, spring, seat cover and fixing base, and stationary ring, O type circle, gasket, spring, seat cover assemble on the fixing base. The stationary ring subassembly links together with the turn -ups of rotatory ring subassembly through transmission seat.. After adopting this structure, the stationary ring part is sealed to need not the viscose, has cancelled the bellows and adopts O type circle sealed, and the structure is simpler, and sealing performance was more reliable earlier stage, and the axial force is applyed through a cushion piece to the stationary ring to the spring, and the gasket is flat and smooth, avoids spring vibration frictional force to influence the stationary ring. This sealing method compact structure, the assembly is swift, does benefit to full automated production.
Description
Technical field
This utility model is related to a kind of sealing device of water pump, refers in particular to a kind of sealing structure for water of water pump, particularly vapour
The sealing structure for water of car engine cooling water pump, is mainly used in automobile engine cooling water pump.
Background technology
Water seal is one and mainly seals, using flexible member（Spring）To stationary ring, rotating ring end face seal pair
Pretension and pressure medium and flexible member pressure compression and reach the axial end sealing device of sealing.As shown in figure 1, existing
There is automobile water pump sealing device, its structure generally comprises retainer 1 ', auxiliary seal ring 2 ', rotating ring 3 ', stationary ring 4 ', spring
Seat one 5 ', spring base 28 ', corrugated tube 6 ', spring 7 ', corrugated header 9 '；Corrugated tube 6 ' and stationary ring 4 ' are arranged on corrugated header
On 9 ', spring 7 ' is enclosed within corrugated tube and acts against the upper and lower ends of corrugated tube, sets between the upper and lower ends of spring and corrugated tube
Spring base is equipped with, is acted against on corrugated header after one end viscose glue of corrugated tube, is acted against after other end viscose glue on stationary ring, ripple
Sealed by viscose glue between pipe and corrugated header, stationary ring.Rotating ring 3 ', auxiliary seal ring 2 ' and transmission in rotating ring components
Between seat 1 ' using interference fit together, the sealing between part is realized by auxiliary seal ring 2 '.Stationary ring components
Linked together by the flange of retainer 1 ' with rotating ring components, spring 7 ' adopts cylindrically coiled spring.
For current above-mentioned water pump gland, static side seal needs viscose glue, and in the effect of colding and heat succeed each other after adhesive curing
Easy ageing failure down, failure of easily coming unglued under engine luggine effect；Secondly, in assembling process, adhesive curing needs to add
Heat, cured glue block have residual thermal stress, while stationary ring also easily produces thermal stress, affect primary seal sealing property, therefore
It is necessary to be improved.
By retrieval, not yet find and the identical technical literature of this utility model, discovery has and this utility model skill
The related patent documentation of art, is exemplified below：
1. number of patent application CN201520924391.6, the practicality of entitled " boss type water storage type car water pump water seal "
New patent, discloses a kind of boss type water storage type car water pump water seal, including auxiliary seal ring, corrugated tube, spring base, bullet
Spring, retainer, seal receptacle, rotating ring, stationary ring；Rotating ring is set in the retainer, is arranged between retainer and rotating ring
Setting spring base and spring in corrugated tube, corrugated tube, stationary ring and rotating ring composition friction are set in auxiliary seal ring, seal receptacle
It is secondary；Boss type water storage set is provided with the seal receptacle；The friction pair is in boss type water storage set.
2. number of patent application CN201320786126.7, the utility model patent of entitled " water seal of water pump ", there is provided
A kind of water seal of water pump, belongs to water pump packing technical field.The sealing effectiveness that it solves the water seal of existing water pump is bad
Problem.The water seal of this water pump, including base annular in shape, the end face of base is provided with the cavity of annular, is provided with quiet on the outside of base
Ring, stationary ring are coaxially disposed with base, the rectangular in cross-section of stationary ring, are sequentially provided with rotating ring and tubular between stationary ring and base
Corrugated tube and rotating ring, stationary ring and corrugated tube are coaxially disposed.
Although above-mentioned patent is directed to water pump seal, but complex structure, easily goes wrong, and for above-mentioned sealing
The problems of, do not suggest that corrective measure, it is therefore desirable to further improve.
Utility model content
The purpose of this utility model is the deficiency for existing water pump seal of automobile technology, there is provided a kind of not need viscose glue
Automobile water pump sealing device, is beneficial to water seal automated production and improves water seal early stage sealing property.
This utility model by the technical scheme that solution this technical problem is taken is：A kind of automobile engine water pump water
Envelope, including stationary ring components and rotating ring components, wherein includes retainer in rotating ring components, retainer is outside with one
Flange, stationary ring components and rotating ring components are linked together by the flange of retainer.
Further, rotating ring components include rotating ring, auxiliary seal ring and retainer, rotating ring, auxiliary seal ring and
It is assembled together by the way of interference fit between retainer.
Further, stationary ring components include stationary ring, O-ring, pad, spring, cover for seat and fixed seat, and stationary ring, O
Type circle, pad, spring, cover for seat are assemblied in fixed seat.
Further, spring is mounted in fixed seat, and ladder boss is arranged at fixed seat bottom, radial positioning for spring and with
The flange connection of retainer.
Further, lower spring end leans fixed seat inner bottom surface, and upper end leans the stationary ring that pad is pointed to pad top
Apply nose balance power, and pad maintains gap with fixed seat inner prop and cover for seat endoporus.
Further, cover for seat press-in fixed seat endoporus, and cover for seat and fixed seat are interference fit, magnitude of interference 0.1-0.2mm.
Further, there is counterbore inside stationary ring lower end, O-ring loads counterbore, outside and stationary ring counterbore interference fit
Sealing, inner side and fixed seat interference fit seal；Arrange fluted on the cylindrical wall of stationary ring, cover for seat top endoporus is stamped with convex
Circle, both work in coordination, and constraint stationary ring is circumferentially rotated.
Further, O-ring loads stationary ring lower end counterbore, and static ring groove is alignd with cover for seat dome after loading cover for seat,
Apply appropriate pressure to be allowed to coordinate uniform with fixed seat inner prop to stationary ring, and fixed seat flange keeping parallelism, cover for seat with it is solid
Reservation interference fit, plays circumferential confinement effect to cover for seat.
The beneficial effects of the utility model are：
1. stationary ring member is sealed without the need for viscose glue, extends the service life of part.
2. eliminate corrugated tube and adopt O-ring to seal, make structure simpler, early stage sealing property is relatively reliable.
3. spring applies axial force by leaning pad to stationary ring, and pad is flat and smooth, it is to avoid spring vibration frictional force
Stationary ring is affected.
Description of the drawings
Fig. 1 is current general sealing structure for water schematic diagram；
Fig. 2 is this utility model structural representation；
Wherein：1st, retainer, 2, auxiliary seal ring, 3, rotating ring, 4, stationary ring, 5, O-ring, 6, pad, 7, bullet
Spring, 8, cover for seat, 9, fixed seat.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further illustrated.
Embodiment one
This utility model is related to a kind of automobile engine water pump water seal as can be seen from Figure 2, including stationary ring components and rotation
Include retainer 1 in swivel assembly, wherein rotating ring components, retainer 1 has an outside flange, stationary ring components and
Rotating ring components are linked together by the flange of retainer 1.
Further, rotating ring components include rotating ring 3, auxiliary seal ring 2 and retainer 1, rotating ring 3, auxiliary seal
It is assembled together by the way of interference fit between circle 2 and retainer 1.
Further, stationary ring components include stationary ring 4, O-ring 5, pad 6, spring 7, cover for seat 8 and fixed seat 9, and quiet
Only ring 4, O-ring 5, pad 6, spring 7, cover for seat 8 are assemblied in fixed seat 9.
Further, spring 7 is mounted in fixed seat 9, and ladder boss is arranged at 9 bottom of fixed seat, for the radial positioning of spring 7
And be connected with the flange of retainer 1.
Further, 7 lower end of spring leans 9 inner bottom surface of fixed seat, and upper end leans pad 6 and is pointed to the quiet of 6 top of pad
Only ring 4 applies nose balance power, and pad 6 maintains gap with 9 inner prop of fixed seat and 8 endoporus of cover for seat.
Further, the press-in of cover for seat 89 endoporus of fixed seat, and cover for seat 8 and 9 interference fit of fixed seat, but the magnitude of interference should not mistake
It is big and too small, it is excessive easily to make fixed seat 9 that external diameter change be installed greatly, it is too small, can not realize to stationary ring 4 that reliable circumferential confinement is made
With the present embodiment is selected as 0.1-0.2mm or so.
Further, there is counterbore inside 4 lower end of stationary ring, O-ring 5 loads counterbore, and outside is matched somebody with somebody with 4 counterbore interference of stationary ring
Close sealing, inner side and 9 interference fit seal of fixed seat；Arrange fluted on 4 cylindrical wall of stationary ring, 8 top endoporus punching press of cover for seat
There is dome, both work in coordination, constraint stationary ring 4 is circumferentially rotated.
Further, O-ring 5 loads 4 lower end counterbore of stationary ring, and 4 groove of stationary ring is alignd with 8 dome of cover for seat loading seat
After set 8, apply appropriate pressure to stationary ring 4 and be allowed to coordinate uniform with 9 inner prop of fixed seat, and 9 flange keeping parallelism of fixed seat,
Cover for seat 8 and 9 interference fit of fixed seat, play circumferential confinement effect to cover for seat 8.
During assembling, between rotating ring 3, auxiliary seal ring 2 and retainer 1 using interference fit together, form rotation
Swivel assembly.Spring 7 is loaded into fixed seat 9, pad 6 is put into, between pad 6 and 9 inner prop of fixed seat and 8 endoporus of cover for seat are maintained
Then cover for seat 8 is pressed into 9 endoporus of fixed seat by gap.O-ring 5 is loaded into 4 lower end counterbore of stationary ring, then by 4 groove of stationary ring with
Load cover for seat 8 after the alignment of 8 dome of cover for seat, apply appropriate pressure to stationary ring 4 and be allowed to coordinate uniform with 9 inner prop of fixed seat, it is and solid
9 flange keeping parallelism of reservation, forms stationary ring components.By above-mentioned stationary ring components and rotating ring components by retainer 1
Flange links together.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.Protection scope of the present invention is defined by claims.
The beneficial effects of the utility model are：
1. stationary ring member is sealed without the need for viscose glue, extends the service life of part.
2. eliminate corrugated tube and adopt O-ring to seal, make structure simpler, early stage sealing property is relatively reliable.
3. spring applies axial force by leaning pad to stationary ring, and pad is flat and smooth, it is to avoid spring vibration frictional force
Stationary ring is affected.
Claims (6)
1. a kind of automobile engine cooling water pump water seal, including stationary ring components and rotating ring components, wherein rotating ring components bag
Rotating ring, auxiliary seal ring and retainer is included, is filled by the way of interference fit between rotating ring, auxiliary seal ring and retainer
With together, and there are retainer an outside flange, stationary ring components and rotating ring components to be connected by the flange of retainer
It is connected together, it is characterised in that：The stationary ring components include stationary ring, O-ring, pad, spring, cover for seat and fixed seat, and
Stationary ring, O-ring, pad, spring, cover for seat are assemblied in fixed seat；Spring upper end applies axial force by pad to stationary ring,
Stationary ring lower end counterbore is sealed by O-ring, fixed seat cooperation.
2. a kind of automobile engine cooling water pump water seal as claimed in claim 1, it is characterised in that：The spring is mounted in fixation
In seat, ladder boss is arranged at fixed seat bottom, the radial positioning for spring and is connected with the flange of retainer.
3. a kind of automobile engine cooling water pump water seal as claimed in claim 1, it is characterised in that：The lower spring end is leaned
Fixed seat inner bottom surface, upper end lean the stationary ring applying nose balance power that pad is pointed to pad top, and pad and fixed seat
Inner prop and cover for seat endoporus maintain gap.
4. a kind of automobile engine cooling water pump water seal as claimed in claim 3, it is characterised in that：The cover for seat press-in is fixed
Seat endoporus, and cover for seat and fixed seat are interference fit, magnitude of interference 0.1-0.2mm.
5. a kind of automobile engine cooling water pump water seal as claimed in claim 1, it is characterised in that：In the stationary ring lower end
There is a counterbore in portion, and O-ring loads counterbore, with stationary ring counterbore interference fit seal on the outside of O-ring, inner side and fixed seat interference fit
Sealing；Arrange fluted on the cylindrical wall of stationary ring, cover for seat top endoporus is stamped with dome, both work in coordination, constrain stationary ring
It is circumferentially rotated.
6. a kind of automobile engine cooling water pump water seal as claimed in claim 1, it is characterised in that：The O-ring loads quiet
Only ring lower end counterbore, static ring groove are alignd with cover for seat dome after loading cover for seat, are applied appropriate pressure to stationary ring and are allowed to and solid
Reservation inner prop coordinates uniform, with fixed seat flange keeping parallelism, cover for seat and fixed seat interference fit, plays circumferential confinement to cover for seat
Effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620968841.6U CN206035888U (en) | 2016-08-30 | 2016-08-30 | Automobile engine cooling water pump water seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620968841.6U CN206035888U (en) | 2016-08-30 | 2016-08-30 | Automobile engine cooling water pump water seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035888U true CN206035888U (en) | 2017-03-22 |
Family
ID=58302673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620968841.6U Active CN206035888U (en) | 2016-08-30 | 2016-08-30 | Automobile engine cooling water pump water seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640860A (en) * | 2016-12-13 | 2017-05-10 | 苏州和林微纳科技有限公司 | Flange type workpiece molding preformed unit |
| CN109026823A (en) * | 2018-11-02 | 2018-12-18 | 潍柴动力股份有限公司 | A kind of water seal cluster spring, water seal and engine water pump |
-
2016
- 2016-08-30 CN CN201620968841.6U patent/CN206035888U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640860A (en) * | 2016-12-13 | 2017-05-10 | 苏州和林微纳科技有限公司 | Flange type workpiece molding preformed unit |
| CN109026823A (en) * | 2018-11-02 | 2018-12-18 | 潍柴动力股份有限公司 | A kind of water seal cluster spring, water seal and engine water pump |
| CN109026823B (en) * | 2018-11-02 | 2021-02-23 | 潍柴动力股份有限公司 | Combined spring for water seal, water seal and engine water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412001 No. 68 Hongqi Road North, Hunan, Zhuzhou Patentee after: Weichai torch Technology Co.,Ltd. Address before: 412001 No. 68 Hongqi Road North, Hunan, Zhuzhou Patentee before: ZHUZHOU TORCH SPARKPLUG Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |