CN205423292U - Can simply change shaft seal structure of axle bush water pump - Google Patents
Can simply change shaft seal structure of axle bush water pump Download PDFInfo
- Publication number
- CN205423292U CN205423292U CN201620198227.6U CN201620198227U CN205423292U CN 205423292 U CN205423292 U CN 205423292U CN 201620198227 U CN201620198227 U CN 201620198227U CN 205423292 U CN205423292 U CN 205423292U
- Authority
- CN
- China
- Prior art keywords
- filler
- pump case
- seal structure
- shaft seal
- stuffing
- 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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- Sealing Devices (AREA)
Abstract
The utility model relates to a can simply change shaft seal structure of axle bush water pump, the main filler of changing shaft seal structure and the cover that packs solved, work is complicated, waste time and energy, the technical problem of inefficiency. It includes pump case, pump shaft and shaft seal structure, shaft seal structure including cover, packing seal subassembly and the packing box casing of packing, the packing box casing pass through the bearing seal bolt hole with lower pump case body spiro union, the lower pump case body, packing box casing and the cover that packs form the filler cavity, the packing seal subassembly ring sum gland is kept off including packing, packing, the filler set up in the packing cavity internal. The beneficial effects of the utility model are that: make the complicated reliable and simple that becomes that works who changes shaft seal structure originally, reduced working strength, improved work efficiency.
Description
Technical field
This utility model relates to shaft seal structure for water pump technical field, a kind of shaft seal structure that can simply change bearing shell water pump.
Background technology
Material filling type water pump, particularly horizonally split middle-opening pump, filler is installed in the toroidal cavity between the inner cylinder face formed by filler set external cylindrical surface and pump case.During pump working, owing to filler exists the problem of attrition, therefore it is frequently necessary to change.Usually need during replacing to be drawn out by filler wearing detail from pump axial sides specialist tools.Owing to working space is narrow, dismount difficult, inefficiency.In the same manner, filler set is also damageable spare parts, when, after excessive abrasion, losing sealing effectiveness.Dismounting filler set, it is necessary to sling by pump upper casing, takes out rotor assembly in pump lower casing, then bearings at both ends, bearing gland is pulled down with axle stretch end half a coupler, just can complete the dismantlement work to filler set.Corresponding installation process is the most considerably complicated.Visible, change filler and filler set work complexity, waste time and energy, extremely inefficient.Accordingly, it is desirable to provide a kind of new structure solves the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of shaft seal structure that can simply change bearing shell water pump, and to solve to change the filler of shaft seal structure and filler set, work is complicated, waste time and energy, inefficient technical problem.
The technical scheme in the invention for solving the technical problem is:
A kind of shaft seal structure that can simply change bearing shell water pump, including pump case, pump shaft and shaft seal structure；Described pump case includes pump case and lower pump case, is provided with breach at described upper pump case shaft seal structure；The longitudinal cross-section of described lower pump case correspondence indentation, there is provided with axle envelope bolt hole, and the inner surface of described lower pump case is provided with lower baffle ring card convex；
Described shaft seal structure includes filler set, packing seal assembly and stuffing-box housing；Described filler set includes that filler puts watt and filler overlaps lower watt, and described filler puts watt and filler overlaps lower watt of symmetry and fixes the outer surface being screwed onto described pump shaft；
Described stuffing-box housing is spirally connected with described lower pump case by axle envelope bolt hole；Under the inner surface correspondence of described stuffing-box housing, the lower baffle ring card convex in pump case arranges upper baffle ring card convex；
Described lower pump case, stuffing-box housing and filler set form filler cavity；
Described packing seal assembly includes filler, filler baffle ring and gland, and described filler is arranged in described packing cavity body；The lateral surface of described filler baffle ring is provided with groove, described filler baffle ring by groove respectively with described upper baffle ring card convex and lower baffle ring card convex clamping；Described filler baffle ring is used for the filler that is at one end fixed and clamped；The medial surface correspondence filler cavity of described gland is provided with filler compression leg, and described filler compression leg is at another filler that is fixed and clamped.
Described filler is put watt watt-minute lower with filler set and is not symmetrically and fixedly mounted to the outer surface of described pump shaft by dormant bolt.
Fluid sealant is smeared between described filler set and pump shaft.
Described stuffing-box housing uses fluid sealant to seal with the axially facing surface of lower pump case, and the inner face of described stuffing-box housing and upper pump case use half O RunddichtringO to seal.
The end face of described lower pump case is provided with pump case fixing end ear, and described pump case fixing end ear is provided with pump case fixing threaded hole.
The outer face of described stuffing-box housing is provided with stuffing-box housing fixing end ear, and described stuffing-box shell ends ear is provided with stuffing-box housing fixing threaded hole.
Described gland is ellipsoid, and the major axis two ends of described gland ellipsoid are provided with pitches fixing connection, is bolted to connection between fixing connection fork and described pump case fixing threaded hole and the described stuffing-box housing fixing threaded hole at described major axis two ends；It is provided with packing ring between described bolt and gland.
The beneficial effects of the utility model are: make the complex work originally changing shaft seal structure become simple, reduce working strength, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of this utility model embodiment；
Fig. 2 is the structure chart after Fig. 1 removes stuffing-box housing；
Fig. 3 is the left view of Fig. 1
Fig. 4 is the right view of Fig. 1
Fig. 5 is stuffing-box housing longitudinal sectional view
Fig. 6 is the front view of lower pump case
Fig. 7 is the transverse sectional view of Fig. 6
In figure: 1. go up pump case；2. descend pump case；3. axle envelope bolt hole；4. lower baffle ring card convex；5. pump case fixing end ear；6. pump case fixing threaded hole；7. filler set；8. countersunk screw holes；9. upper baffle ring card convex；10. stuffing-box housing；11. stuffing-box housings fixing end ear；12. stuffing-box housing fixing threaded holes；13. fillers；14. filler baffle rings；15. glands；16. fixing connections pitched；17. pump shafts；18. filler compression legs；19. stuffing-box casing bolts holes.
Detailed description of the invention
A kind of shaft seal structure that can simply change bearing shell water pump, including pump case, pump shaft and shaft seal structure；
As shown in Figure 1, Figure 2 and Figure 3, described pump case includes the symmetrical fixing connection of pump case 1 and lower pump case 2, described upper pump case 1 and lower pump case 2, forms hollow cylindrical structure；Described upper pump case 1 is provided with semicircle column type breach at shaft seal structure；As shown in Fig. 2, Fig. 6 and Fig. 7, the both sides of lower pump case 2 longitudinal cross-section of described indentation, there are uniformly distributed 4 axle envelope bolts hole 3, and the inner surface of described lower pump case 2 is provided with lower baffle ring card convex 4；The end face of described lower pump case is provided with pump case fixing end ear 5, and on described pump case fixing end ear, 5 are provided with pump case fixing threaded hole 6；
Described shaft seal structure includes filler set 7, packing seal assembly and stuffing-box housing 10；
Described filler set 7 includes that filler puts watt and filler overlaps lower watt, and described filler puts and watt overlaps lower watt with filler and become symmetrical structure, composition hollow cylindrical structure.As shown in Figure 2, described pump shaft 17 is arranged in described filler set 7, pump shaft 17 surface is provided with 12 pump shaft screws, described filler puts watt and filler overlaps lower watt of upper corresponding pump shaft screw and is provided with 12 countersunk screw holes 8, and described filler puts watt and the lower watt-minute of filler set is not symmetrically and fixedly mounted to the outer surface of described pump shaft 17 by dormant bolt；Described filler set 7 is for reducing the abrasion of pump shaft 17；Fluid sealant is smeared, the purpose not being corroded to reach pump shaft 17 and fluid media (medium) isolation in pump between described filler set 7 and pump shaft 17.
As shown in Figure 1, Figure 2 and Figure 4, described stuffing-box housing 10 is connected with the lower pump case 2 of described indentation, there, and on stuffing-box housing 10, the axle envelope bolt hole 3 in corresponding lower pump case 2, is provided with 4 stuffing-box casing bolts holes 19；As shown in Figure 4 and Figure 5, lower baffle ring card convex 4 in the corresponding lower pump case 2 of described stuffing-box housing 10 arranges upper baffle ring card convex 9, the end face outside of described stuffing-box housing 10 is provided with stuffing-box housing fixing end ear 11, and described stuffing-box shell ends ear 11 is provided with stuffing-box housing fixing threaded hole 12；
As in figure 2 it is shown, described stuffing-box housing 10 is fixedly connected in lower pump case 2 by 4 pieces of hexagon socket head cap screws；The axially facing surface of stuffing-box housing 10 and lower pump case 2 uses fluid sealant to seal, and the inner side end of stuffing-box housing 10 and upper pump case 1 use half O RunddichtringO to seal, to prevent medium that pump body flows through to exosmosis.
Filler cavity is formed between described lower pump case 2 and stuffing-box housing 10 and filler set 7.
As in figure 2 it is shown, described packing seal assembly includes filler 13, filler baffle ring 14 and gland 15, filler 13 is arranged in described packing cavity body；Described filler baffle ring 14 is cirque structure, the lateral surface of described filler baffle ring 14 is provided with groove, described filler baffle ring 14 by groove respectively with described upper baffle ring card convex 9 and lower baffle ring card convex 4 clamping, described filler baffle ring 14 is fixed and clamped at one end filler 13；As shown in Figure 2 and Figure 4, described gland 15 is ellipsoid, the medial surface correspondence filler cavity of described gland 15 is provided with filler compression leg 18, and described filler compression leg 18 is cylindrical shell structure, and described filler compression leg 18 is for being fixed and clamped filler 13 at the other end；The major axis two ends of described gland 15 are provided with fixing connection fork 16, are bolted to connection between fixing connection fork 16 and described pump case fixing threaded hole 6 and the described stuffing-box housing fixing threaded hole 12 at described two ends；Being provided with packing ring between described bolt and gland 15, the pressure of bolt can be evenly distributed to the major axis two ends of gland 15 by described packing ring.
When needing the shaft seal structure of water pump is overhauled, it is only necessary to unclamp 4 pieces of hexagon socket head cap screws on stuffing-box housing 10, stuffing-box housing 10 is removed, just can complete filler 13 is adjusted, add, the upkeep operation such as replacing.After removing filler 13, just intuitively can overlap 7 structures by filler.Maintainer unclamps 12 pieces of dormant bolts on filler set 7, takes off filler and puts watt and filler overlaps lower watt, the abrasion condition of detection filler set 7, just can conveniently complete the set of the filler to wear out failure 7 and be replaced.
Can be drawn by above description, this utility model can conveniently realize filler 13 and filler overlap 7 repair and maintenance work, greatly reduces the dismounting of other uncorrelated parts.Making originally the heaviest service work, reduction is on several parts few in number, and the number of parts related to is few, lightweight, volume is little, requires low to dismounting technology, a basic people can complete independently, reduce labor intensity, improve labor productivity.
Claims (7)
1. the shaft seal structure that can simply change bearing shell water pump, it is characterised in that include pump case, pump shaft and shaft seal structure；Described pump case includes pump case and lower pump case, is provided with breach at described upper pump case shaft seal structure；The longitudinal cross-section of described lower pump case correspondence indentation, there is provided with axle envelope bolt hole, and the inner surface of described lower pump case is provided with lower baffle ring card convex；
Described shaft seal structure includes filler set, packing seal assembly and stuffing-box housing；Described filler set includes that filler puts watt and filler overlaps lower watt, and described filler puts watt and filler overlaps lower watt of symmetry and fixes the outer surface being screwed onto described pump shaft；
Described stuffing-box housing is spirally connected with described lower pump case by axle envelope bolt hole；Under the inner surface correspondence of described stuffing-box housing, the lower baffle ring card convex in pump case arranges upper baffle ring card convex；
Described lower pump case, stuffing-box housing and filler set form filler cavity；
Described packing seal assembly includes filler, filler baffle ring and gland, and described filler is arranged in described packing cavity body；The lateral surface of described filler baffle ring is provided with groove, described filler baffle ring by groove respectively with described upper baffle ring card convex and lower baffle ring card convex clamping；Described filler baffle ring is used for the filler that is at one end fixed and clamped；The medial surface correspondence filler cavity of described gland is provided with filler compression leg, and described filler compression leg is at another filler that is fixed and clamped.
A kind of shaft seal structure that can simply change bearing shell water pump the most according to claim 1, is characterized in that, described filler is put watt watt-minute lower with filler set and is not symmetrically and fixedly mounted to the outer surface of described pump shaft by dormant bolt.
A kind of shaft seal structure that can simply change bearing shell water pump the most according to claim 1, is characterized in that, smears fluid sealant between described filler set and pump shaft.
A kind of shaft seal structure that can simply change bearing shell water pump the most according to claim 1, it is characterized in that, described stuffing-box housing uses fluid sealant to seal with the axially facing surface of lower pump case, and the inner face of described stuffing-box housing and upper pump case use half O RunddichtringO to seal.
A kind of shaft seal structure that can simply change bearing shell water pump the most according to claim 1, is characterized in that, the end face of described lower pump case is provided with pump case fixing end ear, and described pump case fixing end ear is provided with pump case fixing threaded hole.
A kind of shaft seal structure that can simply change bearing shell water pump the most according to claim 5, is characterized in that, the outer face of described stuffing-box housing is provided with stuffing-box housing fixing end ear, and described stuffing-box shell ends ear is provided with stuffing-box housing fixing threaded hole.
A kind of shaft seal structure that can simply change bearing shell water pump the most according to claim 6, it is characterized in that, described gland is ellipsoid, the major axis two ends of described gland ellipsoid are provided with pitches fixing connection, is bolted to connection between fixing connection fork and described pump case fixing threaded hole and the described stuffing-box housing fixing threaded hole at described major axis two ends；It is provided with packing ring between described bolt and gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198227.6U CN205423292U (en) | 2016-03-15 | 2016-03-15 | Can simply change shaft seal structure of axle bush water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198227.6U CN205423292U (en) | 2016-03-15 | 2016-03-15 | Can simply change shaft seal structure of axle bush water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423292U true CN205423292U (en) | 2016-08-03 |
Family
ID=56546807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620198227.6U Expired - Fee Related CN205423292U (en) | 2016-03-15 | 2016-03-15 | Can simply change shaft seal structure of axle bush water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695656A (en) * | 2016-11-22 | 2017-05-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Bearing pad replacement method of heavy gas turbine |
-
2016
- 2016-03-15 CN CN201620198227.6U patent/CN205423292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695656A (en) * | 2016-11-22 | 2017-05-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Bearing pad replacement method of heavy gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20190315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |