CN203963021U - A kind ofly be applicable to angle of rake pump sealing apparatus - Google Patents
A kind ofly be applicable to angle of rake pump sealing apparatus Download PDFInfo
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- CN203963021U CN203963021U CN201420347370.8U CN201420347370U CN203963021U CN 203963021 U CN203963021 U CN 203963021U CN 201420347370 U CN201420347370 U CN 201420347370U CN 203963021 U CN203963021 U CN 203963021U
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- ring
- runddichtringo
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- retainer
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Abstract
The utility model provides a kind of angle of rake pump sealing apparatus that is applicable to, and it is characterized in that: comprise and follow rotary part and the relative static stationary part of axle that axle rotates, wherein: stationary part comprises the stationary ring with sealing surface, stationary ring is fixed on the pump housing; Rotary part comprises rotating ring, rotation ring seat, wedge shape transmission ring, retainer, rubber ring set, spacer ring assembly and the spring with sealing surface.The utlity model has following advantage: provide a kind of balance type, many springs are rotary-type, irrotationality is applicable granose to what require, half cartridge seal device of seawater corrosion resistance; Can protect spring can not lose bullet because of the impurity in seawater, and compensate function also can not be subject to the impact of impurity in seawater; The planeness of sealing surface is not affected by the additional stress between rotating ring and rotation ring seat can; Between seal ring and seal ring seat, be difficult for producing axial displacement.
Description
Technical field
The utility model relates to a kind of angle of rake pump sealing apparatus that is applicable to.
Background technique
Along with the fast development of global economic integration, the commodity contact between every country is more and more frequent.Due to freighter have compared with large throughput and for air transport more cheap cost, shipping becomes modes of transportation for goods main between various countries.Meanwhile, in order to meet the life requirement that people are different, large-scale cruise or even private cruise are also in fast development.
No matter be freighter, or cruise, often all need to carry out transoceanic long distance navigation, in navigation process, need to resist various hostile environment factors, propulsion device, for for promoting the device of ship motion, is separated bearing oil and seawater by the seal arrangement on propulsion device, and the quality of its sealability is to weigh an important indicator of hull performance.But existing seal arrangement, its sealability does not often reach strict standard.
Summary of the invention
The purpose of this utility model be to provide a kind of improve sealing reliability and working life for angle of rake pump sealing apparatus.
In order to achieve the above object, the technical solution of the utility model has been to provide a kind of angle of rake pump sealing apparatus that is applicable to, and it is characterized in that: comprise and follow rotary part and the relative static stationary part of axle that axle rotates, wherein:
Stationary part comprises the stationary ring with sealing surface, and stationary ring is fixed on the propulsion device pump housing;
Rotary part comprises the rotating ring with sealing surface, rotation ring seat, wedge shape transmission ring, retainer, rubber ring set, spacer ring assembly and spring, rotating ring is fixed in rotation ring seat, rotating ring cover for seat is located at outside wedge shape transmission ring and retainer, in rotation ring seat, along circumferential arrangement, there are many springs, the end of every spring is all stretched in retainer, under spring force effect, make the sealing surface of rotating ring remain and being sealed and matched of the sealing surface of stationary ring, the end of wedge shape transmission ring and retainer wedging, end at retainer is fixedly connected with a circle rubber ring set by sealer, the part that rotary part is positioned to rotation ring seat by rubber ring set is isolated with the seawater that is positioned at rotary part side, side at rubber ring set is provided with spacer ring assembly, by wedge shape transmission ring being held tightly on axle to the additional axial force of spacer ring assembly.
Preferably, along being circumferentially distributed with many shaft orientation opening grooves on the wedging face of described wedge shape transmission ring.
Preferably, described stationary part also comprises O RunddichtringO one and O RunddichtringO two, described stationary ring and described between the pump housing by two sealings of O RunddichtringO one and O RunddichtringO.
Preferably, described rotary part also comprises O RunddichtringO three and O RunddichtringO four, between described rotating ring and described rotation ring seat, by O RunddichtringO three and O RunddichtringO four, seals.
Preferably, described rotary part also comprises O RunddichtringO five, between described rotation ring seat and described retainer, by O RunddichtringO five, seals.
Preferably, described rotary part also comprises O RunddichtringO six, between described retainer and described axle, by O RunddichtringO six, seals.
Preferably, between described rotating ring and described rotation ring seat, adopt soft mosaic structure.
The utlity model has following advantage:
1) provide a kind of balance type, many springs are rotary-type, irrotationality is applicable granose to what require, half cartridge seal device of seawater corrosion resistance;
2) can protect spring can not lose bullet because of the impurity in seawater, and compensate function also can not be subject to the impact of impurity in seawater;
3) planeness of sealing surface is not affected by the additional stress between rotating ring and rotation ring seat can;
4) between seal ring and seal ring seat, be difficult for producing axial displacement.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that is applicable to angle of rake pump sealing apparatus in embodiment.
Embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, the utility model provides is a kind ofly applicable to angle of rake pump sealing apparatus, its structure is that balance type, many springs are rotary-type, irrotationality is applicable granose to what require, half cartridge seal device of seawater corrosion resistance, comprise and follow rotary part and the relative static stationary part of axle that axle rotates, wherein:
Stationary part comprises stationary ring 3, O RunddichtringO 1 and the O RunddichtringO 2 13 with sealing surface.Stationary ring 3 is fixed on gland assembly 1, and gland assembly 1 is fixed on the pump housing by screw 14.Between stationary ring 3 and gland assembly 1, by O RunddichtringO 1 and O RunddichtringO 2 13, seal.
Rotary part comprises rotating ring 4, rotation ring seat 6, wedge shape transmission ring 9, retainer 15, rubber ring set 16, spacer ring assembly 7, spring 17, O RunddichtringO 3 11, O RunddichtringO 4 10, O RunddichtringO 5 18 and the O RunddichtringO 68 with sealing surface.Rotating ring 4 is fixed in rotation ring seat 6, for the fixing screw of rotating ring 4, is being provided with plastic sheath 5 outward, rotating ring 4 and rotate between ring seat 6 and adopt soft mosaic structure.Rotating ring 4 and rotation adopt between ring seat 6 soft mosaic structure can prevent that mosaic structure from producing additional stress and affecting the planeness of sealing surface.Between rotating ring 4 and rotation ring seat 6, by O RunddichtringO 3 11 and O RunddichtringO 4 10, seal.Rotation ring seat 6 is sheathed on outside wedge shape transmission ring 9 and retainer 15, between rotation ring seat 6 and retainer 15, by O RunddichtringO 5 18, seals.O RunddichtringO 4 10 is set can be prevented from producing displacement to axial because fluid power effect makes to rotate between ring seat 6 and rotating ring 4.Between retainer 15 and described axle, by O RunddichtringO 68, seal.
In rotation, have many springs 17 in ring seat 6 along circumferential arrangement, the end of every spring 17 is all stretched in retainer 15, makes the sealing surface of rotating ring 4 remain and being sealed and matched of the sealing surface of stationary ring 3 under spring 17 elastic force effects.The end of wedge shape transmission ring 9 and retainer 15 wedgings, along being circumferentially distributed with many shaft orientation opening grooves on the wedging face of wedge shape transmission ring 9.Between retainer 15 and rotation ring seat 6, adopt coordinating of larger gap, be convenient to nose balance and non-perpendicularity error compensation, end at retainer 15 is fixedly connected with a circle rubber ring set 16 by sealer, and the part that rotary part is positioned to rotation ring seat 6 by rubber ring set 16 is isolated with the seawater that is positioned at rotary part side.Stationary part side of the present utility model is bearing oil, and rotary part side is seawater, and lubricating oil pressure is a little more than seawater pressure conventionally.Rubber ring set 16 adds sealer and has formed indivisible integral body; it has stoped the impurity such as silt in seawater to enter the spring position of rotary part; protect therefrom spring 17 can not lose bullet, the sliding position that also makes to rotate between ring seat 6 and retainer 15 can not be piled up silt and affect compensate function simultaneously.
At the side of rubber ring set 16, be provided with a snare and be located at the spacer ring assembly 7 outside axle, by wedge shape transmission ring 9 being held tightly on axle to the additional axial force of spacer ring assembly 7.The locking of rotary part on axle is afterburning to left end to spacer ring assembly 7 by the locking nut (not shown) on right-hand member axle, promoting whole rotary part moves forward left, utilize the 9 wedge effects of wedge shape transmission ring that it is held tightly on axle, and drive whole rotary part by wedge shape surface of contact.For making wedge shape transmission ring 9 easily produce resiliently deformable, hug on axle, on this part along circumferentially having many axial discontinuous shaft orientation opening grooves.
Claims (7)
1. be applicable to an angle of rake pump sealing apparatus, it is characterized in that: comprise and follow rotary part and the relative static stationary part of axle that axle rotates, wherein:
Stationary part comprises the stationary ring (3) with sealing surface, and stationary ring (3) is fixed on the propulsion device pump housing;
Rotary part comprises the rotating ring (4) with sealing surface, rotation ring seat (6), wedge shape transmission ring (9), retainer (15), rubber ring set (16), spacer ring assembly (7) and spring (17), rotating ring (4) is fixed in rotation ring seat (6), rotation ring seat (6) is sheathed on outside wedge shape transmission ring (9) and retainer (15), in rotation ring seat (6), above along circumferential arrangement, there are many springs (17), the end of every spring (17) is all stretched in retainer (15), under spring (17) elastic force effect, make the sealing surface of rotating ring (4) remain and being sealed and matched of the sealing surface of stationary ring (3), the end of wedge shape transmission ring (9) and retainer (15) wedging, end at retainer (15) is fixedly connected with a circle rubber ring set (16) by sealer, by rubber ring set (16), rotary part is positioned to the part and the seawater isolation that is positioned at rotary part side of rotation ring seat (6), side at rubber ring set (16) is provided with spacer ring assembly (7), by wedge shape transmission ring (9) being held tightly on axle to the additional axial force of spacer ring assembly (7).
2. a kind of angle of rake pump sealing apparatus that is applicable to as claimed in claim 1, is characterized in that: along being circumferentially distributed with many shaft orientation opening grooves on the wedging face of described wedge shape transmission ring (9).
3. a kind of angle of rake pump sealing apparatus that is applicable to as claimed in claim 1, it is characterized in that: described stationary part also comprises O RunddichtringO one (12) and O RunddichtringO two (13), described stationary ring (3) and described between the pump housing by two (13) sealings of O RunddichtringO one (12) and O RunddichtringO.
4. a kind of angle of rake pump sealing apparatus that is applicable to as claimed in claim 1, it is characterized in that: described rotary part also comprises O RunddichtringO three (11) and O RunddichtringO four (10), between described rotating ring (4) and described rotation ring seat (6), by O RunddichtringO three (11) and O RunddichtringO four (10), seal.
5. a kind of angle of rake pump sealing apparatus that is applicable to as claimed in claim 1, it is characterized in that: described rotary part also comprises O RunddichtringO five (18), between described rotation ring seat (6) and described retainer (15), by O RunddichtringO five (18), seal.
6. a kind of angle of rake pump sealing apparatus that is applicable to as claimed in claim 1, is characterized in that: described rotary part also comprises O RunddichtringO six (8), between described retainer (15) and described axle, by O RunddichtringO six (8), seals.
7. a kind of angle of rake pump sealing apparatus that is applicable to as claimed in claim 1, is characterized in that: between described rotating ring (4) and described rotation ring seat (6), adopt soft mosaic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347370.8U CN203963021U (en) | 2014-06-26 | 2014-06-26 | A kind ofly be applicable to angle of rake pump sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347370.8U CN203963021U (en) | 2014-06-26 | 2014-06-26 | A kind ofly be applicable to angle of rake pump sealing apparatus |
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| Publication Number | Publication Date |
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| CN203963021U true CN203963021U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347370.8U Active CN203963021U (en) | 2014-06-26 | 2014-06-26 | A kind ofly be applicable to angle of rake pump sealing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993917A (en) * | 2021-02-03 | 2021-06-18 | 宁波敦泓密封技术有限公司 | Rubber seal assembly |
-
2014
- 2014-06-26 CN CN201420347370.8U patent/CN203963021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993917A (en) * | 2021-02-03 | 2021-06-18 | 宁波敦泓密封技术有限公司 | Rubber seal assembly |
| CN112993917B (en) * | 2021-02-03 | 2024-03-22 | 宁波敦泓密封技术有限公司 | Rubber seal assembly |
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| C14 | Grant of patent or utility model | ||
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