CN207647832U - A kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump - Google Patents
A kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump Download PDFInfo
- Publication number
- CN207647832U CN207647832U CN201720973237.7U CN201720973237U CN207647832U CN 207647832 U CN207647832 U CN 207647832U CN 201720973237 U CN201720973237 U CN 201720973237U CN 207647832 U CN207647832 U CN 207647832U
- Authority
- CN
- China
- Prior art keywords
- retaining ring
- another part
- axle sleeve
- locking device
- sealing
- 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
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to mechanical seal locking devices,More particularly to a kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump,Solves the easy loose or dislocation of mechanical seal locking device,Connect untight problem,Including cartridge mechanical seal and the another part of retaining ring,The another part of retaining ring is connected and fixed by fastening screw and pump shaft,The another part of retaining ring is unilateral half-sectional formula structure,It further include sealing axle sleeve,Sealing axle sleeve is arranged between the another part of retaining ring and pump shaft,The another part of retaining ring is socketed with sealing axle sleeve and is connected and fixed with merga pass fastening screw,Sealing axle sleeve is equipped with shaft orientation opening groove,Mechanical seal sleeve is inserted in the another part of mechanical seal retaining ring,It is disengaged with preventing portion part,By tightening clamping screw diminution retaining ring radial clearance and preventing clamping screw from loosening with cushion,Mechanical seal sleeve holds pump shaft tightly and reaches mechanically-sealing apparatus and pump shaft synchronous rotary purpose,Overcome the shortcomings that being loosened due to vibration.
Description
Technical field
Being suitable for the sealing locking dress that pump shaft line call-out " specification is 12,14,16,18,22,32 the utility model is related to a kind of
It sets, more particularly to a kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump.
Background technology
Stainless steel punch multiple-stage centrifugal pump is widely used in high-rise building water supply, boiler feedwater, and air-conditioning cools down, hot water circuit,
The occasions such as fire-fighting, the at present sealing of this equipment all use integrated mechanical sealing, and it is by machine that mechanically-sealing apparatus is connect with pump shaft
Three screws lock pump shafts and drive mechanical seal and pump shaft synchronous rotary in the tool sealing another part of upper locking ring.Due to machinery
Sealing connect with pump shaft be by the another part of mechanical seal retaining ring three M5 screw-drivings by withstand on pump shaft, contact surface only has
3 points, water pump Fraquent start shut down generation vibration can cause screw loosen and with pump shaft be detached from, to make pump shaft rotate and
Mechanical seal, which does not rotate, causes leakage from water pump.
Utility model content
Insufficient in view of the prior art, the utility model provides a kind of special packaging type machine of stainless steel punch multiple-stage centrifugal pump
Tool sealing-locking device.
To achieve the goals above, technical solution adopted in the utility model is：Stainless steel punch multiple-stage centrifugal pump is special
With integrated mechanical sealing locking device, including cartridge mechanical seal and the another part of retaining ring, the another part of the retaining ring
It being connected and fixed by fastening screw and pump shaft, the another part of the retaining ring is unilateral half-sectional formula structure, and there are two the another parts of retaining ring,
Further include sealing axle sleeve, sealing axle sleeve is arranged between the another part of retaining ring and pump shaft, the another part of the retaining ring and sealing axle sleeve
Socket is connected and fixed with merga pass fastening screw, and fixation, the lock are bolted between the another part of the retaining ring
The another part section of tight ring is equipped with the through-hole coordinated with bolt and the threaded hole coordinated with fastening screw, and the through hole is additionally provided with
Elastic washer, the sealing axle sleeve are equipped with the matching hole concentric with threaded hole, close to bolt on the sealing axle sleeve
One end is equipped with two shaft orientation opening grooves.
The another part of the retaining ring includes retaining ring, and the through-hole and threaded hole are arranged in retaining ring.
The threaded hole nominal diameter is 5mm.
The internal thread with the external screw thread cooperation on bolt is equipped in the through-hole.
Threaded hole on the another part of the retaining ring at least one, the threaded hole is set to pair of the another part of retaining ring
Claim on center line, and the threaded hole positional symmetry on two another parts of retaining ring.
The beneficial effects of the utility model：Stainless steel punch multiple-stage centrifugal pump packaging type machinery provided by the utility model
Sealing-locking device is inserted in mechanical seal sleeve in the another part of mechanical seal retaining ring, with two fixed screw lockings with preventing portion
Part disengages, and forces the upper open slot of mechanical seal axle set to be received by tightening the gap that clamping screw reduces between retaining ring split surface
Contracting holds pump shaft tightly and reaches mechanically-sealing apparatus and pump shaft synchronous rotary purpose, and cushion is used in combination to prevent clamping screw from loosening.Due to
Mechanical seal sleeve circumferentially seizes the shortcomings that overcoming the easily vibration of original three screws, 3 apical axis and loosening.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the vertical view of the utility model.
Specific implementation mode
As Figure 1-Figure 2, the special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump, including packaging
Formula mechanical seal structure 400 and the another part 100 of retaining ring, the another part 100 of the retaining ring pass through fastening screw 110 and pump shaft 200
It is connected and fixed, the another part 100 of the retaining ring is unilateral half-sectional formula structure, and there are two the another parts of retaining ring 100, further includes sealing axis
Set 300, sealing axle sleeve 300 are arranged between the another part 100 of retaining ring and pump shaft 200, the another part 100 of the retaining ring and sealing axis
300 socket of set is connected and fixed with merga pass fastening screw 110, is connected by bolt 120 between the another part of the retaining ring 100
Fixed, another 100 section of part of the retaining ring is equipped with the through-hole 101 coordinated with bolt 120 and coordinates with fastening screw 110
Threaded hole 102, be additionally provided with elastic washer 130 at the through-hole 101, the sealing axle sleeve 300 is equipped with and threaded hole
102 concentric matching holes 301 are equipped with two shaft orientation opening grooves 302 on the sealing axle sleeve 300 close to 120 one end of bolt,
It so that the another part of retaining ring 100 is tightly lockked pump shaft 200 after addition sealing axle sleeve 300, reduce retaining ring by tightening bolt 120
Another 100 radial clearance of part simultaneously prevents bolt 120 from loosening with elastic washer 130, and the shaft orientation opening groove 302 on sealing axle sleeve 300 is received
Contracting to hold tightly pump shaft 200 achieve the purpose that with 200 synchronous rotary of pump shaft, can reinforce the another part of retaining ring using fastening screw 110
It is completely embedded degree between 100 and sealing axle sleeve 300, prevents the release that falls off, there is practicability and novelty, packaging type machinery
Sealing structure 400 is existing technical pattern, therefore excessive elaboration herein, 200 specification of pump shaft are 12,14,16,18,22,32 six
Kind, 12,14,16,18,22,32 be industry line call-out " specification herein.
The another part 100 of the retaining ring includes retaining ring 140, and the through-hole 101 and threaded hole 102 are arranged in retaining ring
On 140, i.e., the through-hole 101 and threaded hole 102 is positioned close to the position of port, reinforces locking effect.
102 nominal diameter of threaded hole is 5mm, and most locking device can use and arrive 5mm nominal diameters on the market
Fastening screw 110, is convenient for changing.
It is equipped with the internal thread with the external screw thread cooperation on bolt 120 in the through-hole 101, further prevents bolt 120
It falls off, makes closely to connect between bolt 120 and the another part of retaining ring 100.
Threaded hole 102 on the another part of the retaining ring 100 at least one, the threaded hole 102 is set to locking
In the symmetrical center line of the another part of ring 100, and 102 positional symmetry of threaded hole on the another part of two retaining rings 100, fastening screw 110
Position have extreme influence for locking effect, therefore be arranged at the symmetrical centre of the another part of retaining ring 100.
The beneficial effects of the utility model：Mechanical face seals of centrifugal pumps locking device provided by the utility model is close machinery
Envelope axle sleeve is inserted in the another part of mechanical seal retaining ring, is disengaged with preventing portion part, reduces retaining ring radial direction by tightening clamping screw
Gap simultaneously prevents clamping screw from loosening with cushion, and it is synchronous with pump shaft that mechanical seal sleeve holding pump shaft reaches mechanically-sealing apparatus
Rotate purpose, due to mechanical seal sleeve circumferentially seize overcome original three screws, 3 apical axis easily vibrate and loosen lack
Point.
Claims (5)
1. the special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump, including cartridge mechanical seal and
The another part of retaining ring, the another part of the retaining ring are connected and fixed by fastening screw and pump shaft, which is characterized in that the retaining ring
Another part is unilateral half-sectional formula structure, and there are two the another parts of retaining ring, further includes sealing axle sleeve, and sealing axle sleeve is arranged in the another part of retaining ring
Between pump shaft, the another part of the retaining ring is socketed with sealing axle sleeve and is connected and fixed with merga pass fastening screw, the lock
Be bolted fixation between the tight another part of ring, the another part section of the retaining ring be equipped with the through-hole coordinated with bolt and with it is tight
Gu the threaded hole of screw cooperation, the through hole is additionally provided with elastic washer, and the sealing axle sleeve is equipped with same with threaded hole
The matching hole in axle center is equipped with two shaft orientation opening grooves on the sealing axle sleeve close to bolt one end.
2. the special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump as described in claim 1, feature
It is, the another part of the retaining ring includes retaining ring, and the through-hole and threaded hole are arranged in retaining ring.
3. the special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump as claimed in claim 1 or 2, special
Sign is that the threaded hole nominal diameter is 5mm.
4. the special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump as described in claim 1, feature
It is, the internal thread with the external screw thread cooperation on bolt is equipped in the through-hole.
5. the special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump as described in claim 1, feature
Be, the threaded hole on the another part of the retaining ring at least one, the threaded hole is set to the symmetrical of the another part of retaining ring
On center line, and the threaded hole positional symmetry on two another parts of retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973237.7U CN207647832U (en) | 2017-08-03 | 2017-08-03 | A kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973237.7U CN207647832U (en) | 2017-08-03 | 2017-08-03 | A kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647832U true CN207647832U (en) | 2018-07-24 |
Family
ID=62886370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720973237.7U Expired - Fee Related CN207647832U (en) | 2017-08-03 | 2017-08-03 | A kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207647832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966409A (en) * | 2018-09-28 | 2020-04-07 | 伊格尔工业股份有限公司 | Mechanical sealing element |
| CN111350791A (en) * | 2020-04-15 | 2020-06-30 | 扬州意得机械有限公司 | Automobile balance shaft and machining process thereof |
-
2017
- 2017-08-03 CN CN201720973237.7U patent/CN207647832U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966409A (en) * | 2018-09-28 | 2020-04-07 | 伊格尔工业股份有限公司 | Mechanical sealing element |
| JP2020056412A (en) * | 2018-09-28 | 2020-04-09 | イーグル工業株式会社 | mechanical seal |
| CN110966409B (en) * | 2018-09-28 | 2022-05-13 | 伊格尔工业股份有限公司 | Mechanical sealing element |
| JP7111574B2 (en) | 2018-09-28 | 2022-08-02 | イーグル工業株式会社 | mechanical seal |
| CN111350791A (en) * | 2020-04-15 | 2020-06-30 | 扬州意得机械有限公司 | Automobile balance shaft and machining process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207647832U (en) | A kind of special integrated mechanical sealing locking device of stainless steel punch multiple-stage centrifugal pump | |
| CN207454982U (en) | A kind of high pressure union attachment device | |
| CN110529663B (en) | Flexible air pipe connecting device based on clamp clamping principle | |
| CN209892455U (en) | Portable pump set | |
| CN107009321B (en) | A kind of long metal filter bag docking structure and its auxiliary mounting tool and installation method | |
| CN202349428U (en) | Pipeline connector | |
| CN110787918A (en) | Multi-dimensional efficient composite adjusting nozzle | |
| CN202056451U (en) | Ninety-degree buckle type hose connector | |
| CN203963380U (en) | A kind of seal for pipe joints head of separated type | |
| CN206637180U (en) | Gas oil pipe leakage repair apparatus | |
| CN205298023U (en) | Formula of tightening directly links axle | |
| CN204083593U (en) | The anti-impurity type swivel joint of a kind of conduction oil | |
| CN209622306U (en) | A kind of novel pipeline leakage plugging device | |
| CN207661257U (en) | A kind of drainage joint structure | |
| CN208474735U (en) | A kind of New type rotating joint | |
| CN203703427U (en) | Flange protecting device | |
| CN104874824B (en) | Special Rotary Fixture for Ultrasonic Vibration Assisted Gun Drilling | |
| CN207634854U (en) | A kind of novel self-lock attaching type pneumatic joint | |
| CN204639175U (en) | The Special rotary fixture that ultrasonic vibration assists drill gun to process | |
| CN109505979B (en) | Bell mouth sealing device of centrifugal machine | |
| CN206169909U (en) | Novel pipe clamp | |
| CN204851158U (en) | Blanking plug and fishing tool | |
| CN106965208B (en) | Self-drainage mechanical arm | |
| CN204986022U (en) | From locking -type slot pipe strap | |
| CN218408908U (en) | But quick connection's joint Assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20190803 |