CN203604648U - Half packaging type mechanical seal structure - Google Patents
Half packaging type mechanical seal structure Download PDFInfo
- Publication number
- CN203604648U CN203604648U CN201320817811.1U CN201320817811U CN203604648U CN 203604648 U CN203604648 U CN 203604648U CN 201320817811 U CN201320817811 U CN 201320817811U CN 203604648 U CN203604648 U CN 203604648U
- Authority
- CN
- China
- Prior art keywords
- seat
- stationary
- ring
- mechanical seal
- spring
- 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 - Lifetime
Links
- 238000004806 packaging method and process Methods 0.000 title abstract 3
- 230000003068 static effect Effects 0.000 claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model discloses a half packaging type mechanical seal structure. The half packaging type mechanical seal structure comprises a mechanical seal pressing cover, a transmission shaft sleeve, a static ring assembly and a moving ring assembly, wherein the static ring assembly comprises a static ring base and a static ring embedded in the static ring base, and the static ring base is fixedly arranged in the mechanical seal pressing cover; the moving ring assembly comprises a moving ring base and a moving ring embedded in the moving ring base, and the moving ring base is fixedly arranged on the transmission shaft sleeve; the static ring is tightly attached to the moving ring. The mechanical seal structure has the advantages of being accurate in locating, reliable in seal and convenient to assemble and disassemble.
Description
Technical field
The utility model is mainly concerned with mechanical seal structure field, refers in particular to a kind of half cartridge mechanical seal, is applicable to the shaft seal of pump series products.
Background technique
Take gland seal device as example, mechanical seal structure is a pair of or several right, makes the end face of relative sliding perpendicular to axle, fits, and be equipped with auxiliary seal and reach the object of Drain Resistance in elastic force (or magnetic force) effect lower maintenance of hydrodynamic pressure and compensation mechanism.
In prior art, conventional mechanical seal structure is mainly by seal face (stationary ring and rotating ring), elastic element (or magnetic element), auxiliary seal parts and the most of formation of driving mechanism four; Stationary ring is arranged on cover, and rotating ring is arranged on driving mechanism.But when mounted, the mounting point of stationary ring and rotating ring is difficult to hold this structure, makes its axially locating difficulty large, has increased alignment error, easily causes water clock.
Model utility content
The technical problems to be solved in the utility model is: the technical problem existing for prior art, the utility model provides a kind of accurate positioning, seals half reliable, to be convenient to handling cartridge mechanical seal.
For solving the problems of the technologies described above, the technological scheme the utility model proposes is:
A kind of half cartridge mechanical seal, comprises machine sealed cover, driving sleeve, static components and moving ring assembly, and described static components comprises stationary seat and be embedded at the stationary ring in stationary seat, and described stationary seat is fixed in described machine sealed cover; Described moving ring assembly comprises rotating seat and be embedded at the rotating ring in rotating seat, and described rotating seat is fixed on described driving sleeve; Described stationary ring and described rotating ring fit tightly.
Further improvement as technique scheme:
Described driving sleeve is provided with positioning boss, and described rotating seat is fixed on described positioning boss.
Between described stationary seat and machine sealed cover, be provided with the first seal washer, between described rotating seat and positioning boss, be provided with the second seal washer.
Between described stationary ring and stationary seat, hoop is provided with the 3rd seal washer and the first O-ring seals, and between described rotating ring and rotating seat, hoop is provided with the second O-ring seals.
In the axial clearance of described stationary ring and stationary seat, be equiped with spring seat and spring, described spring seat is installed on stationary seat, described spring is located between spring seat and stationary seat, spring seat and driving sleeve and stationary seat leave gap in radial direction, and spring seat is along with stationary ring and spring move as axial reciprocating.
Described machine sealed cover is provided with collecting chamber, and described collecting chamber outside is equiped with collecting chamber gland, and described collecting chamber gland inner side is embedded with Sealing.
Compared with prior art, the utility model has the advantage of:
Half cartridge mechanical seal of the present utility model, by setting up stationary seat and rotating seat, just can make to be embedded accordingly the accurate positioning on axial dimension, easy between its inner stationary ring and rotating ring.When installation, first driving sleeve is contained on axle, moving ring assembly is fixedly mounted on to driving sleeve with fastening piece, realize the location of moving ring assembly on driving sleeve, then, static components is arranged on to driving sleeve, allow stationary ring and rotating ring fit tightly, realize the location on axial dimension between stationary ring and rotating ring, then the static components that realizes good location is fixed on machine sealed cover with fastening piece, just can complete the installation of this mechanical seal.Otherwise when dismounting in,, its accurate positioning, easy to loading and unloading.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model half cartridge mechanical seal.
Fig. 2 is the structural representation of rotating seat in the utility model half cartridge mechanical seal.
Fig. 3 is the structural representation of rotating ring in the utility model half cartridge mechanical seal.
Fig. 4 is the structural representation of stationary seat in the utility model half cartridge mechanical seal.
Fig. 5 is the structural representation of stationary ring in the utility model half cartridge mechanical seal.
Fig. 6 is the structural representation of driving sleeve in the utility model half cartridge mechanical seal.
Fig. 7 is the be hit by a bullet structural representation of spring abutment of the utility model half cartridge mechanical seal.
Fig. 8 is the structural representation of the utility model half cartridge mechanical seal medi-spring.
Fig. 9 is the structural representation of collecting chamber gland in the utility model half cartridge mechanical seal.
Figure 10 is that the A-A sectional structure of Fig. 9 is looked diagram.
Figure 11 is the structural representation of seal ring in the utility model half cartridge mechanical seal.
In figure, each label represents:
1, machine sealed cover; 2, driving sleeve; 21, positioning boss; 3, stationary seat; 4, stationary ring; 5, fastening piece; 6, rotating seat; 7, rotating ring; 8, the first seal washer; 9, the second seal washer; 10, the 3rd seal washer; 11, the first O-ring seals; 12, the second O-ring seals; 13, spring seat; 14, spring; 15, collecting chamber; 16, collecting chamber gland; 17, Sealing.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1 to 11, half cartridge mechanical seal embodiment of the present utility model, this mechanical seal structure comprises machine sealed cover 1, driving sleeve 2, static components and moving ring assembly, static components comprises stationary seat 3 and is embedded at the stationary ring 4 in stationary seat 3, stationary seat 3 is fixed in machine sealed cover 1, moving ring assembly comprises rotating seat 6 and is embedded at the rotating ring 7 in rotating seat 6, rotating seat 6 is fixed on driving sleeve 2, stationary ring 4 fits tightly with rotating ring 7, by setting up stationary seat 3 and rotating seat 6, just can make to be embedded accordingly the accurate positioning on axial dimension between its inner stationary ring 4 and rotating ring 7, easy.When installation, first driving sleeve 2 is contained on axle, moving ring assembly is fixedly mounted on to driving sleeve 2 with fastening piece 5, realize the location of moving ring assembly on driving sleeve 2, then, static components is arranged on to driving sleeve 2, allow stationary ring 4 and rotating ring 7 fit tightly, realize the location on axial dimension between stationary ring 4 and rotating ring 7, then the static components that realizes good location is fixed on machine sealed cover 1 with fastening piece 5, just can complete the installation of this mechanical seal.Otherwise when dismounting in,, its accurate positioning, easy to loading and unloading.
In the present embodiment, be further provided with positioning boss 21 on driving sleeve 2, rotating seat 6 connects with positioning boss 21 by fastening piece 5, this positioning boss 21 is used for installing rotating seat 6 on the one hand, realized on the other hand the location of rotating seat 6 on driving sleeve 2, it is simple in structure, is convenient to install.
In the present embodiment, between stationary seat 3 and machine sealed cover 1, be provided with the first seal washer 8, between rotating seat 6 and positioning boss 21, be provided with the second seal washer 9, the first seal washer 8 can prevent medium drip from the assemblage gap of stationary seat 3 and machine sealed cover 1, equally, the second seal washer 9 can prevent drip in the assemblage gap of rotating seat 6 and positioning boss 21, has improved the sealability of this mechanical seal.
In the present embodiment, between stationary ring 4 and stationary seat 3, hoop is provided with the 3rd seal washer 10 and the first O-ring seals 11, between rotating ring 7 and rotating seat 6, hoop is provided with the second O-ring seals 12, the 3rd seal washer 10 and the first O-ring seals 11 can prevent that medium is from drip between stationary ring 4 and stationary seat 3, equally, the second O-ring seals 12 can prevent medium from encircle 7 and rotating seat 6 between drip, further improved the overall sealing performance of this mechanical seal.
In the present embodiment, in the axial clearance of stationary ring 4 and stationary seat 3, be equiped with spring seat 13 and spring 14, spring seat 13 is installed on stationary seat 3, spring 14 is located between spring seat 13 and stationary seat 3, spring seat 13 leaves gap with driving sleeve 2 and stationary seat 3 in radial direction, spring seat 13 is along with stationary ring 4 and spring 14 move as axial reciprocating, this spring 14 can allow rotating ring 7, stationary ring 4 is together with the compression of spring 14 or reply nimbly and freely, thereby rotating ring 7 and stationary ring 4 are fitted tightly all the time, make rotating ring 7 and stationary ring 4 surface both form moisture film or oil film seal, guarantee the sealing effect between rotating ring 7 and stationary ring 4 in rotation process.
In the present embodiment, machine sealed cover 1 is provided with collecting chamber 15, collecting chamber 15 outsides are equiped with collecting chamber gland 16 by fastening piece 5, collecting chamber gland 16 inner sides are embedded with Sealing 17, this collecting chamber 15 is for collecting storage medium for carrying, collecting chamber gland 16 and Sealing 17 have been realized the sealing effect to collecting chamber 15, make the medium in collecting chamber 15 be unlikely to leak outside.
In the present embodiment, after stationary ring 4 fits tightly with rotating ring 7, spring 14 does not contact with fed sheet of a media, has improved the flexibility of spring 14, suitable have in the medium that particle, viscosity are large use.
In the present embodiment, machine sealed cover 1 has can flushing, isolation, cooling or accompany warm function, to meet the sealing of different medium.
Above-mentioned is preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction.Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (9)
1. one and half cartridge mechanical seal, comprise machine sealed cover (1), driving sleeve (2), static components and moving ring assembly, it is characterized in that: described static components comprises stationary seat (3) and be embedded at the stationary ring (4) in stationary seat (3), described stationary seat (3) is fixed in described machine sealed cover (1); Described moving ring assembly comprises rotating seat (6) and is embedded at the rotating ring (7) in rotating seat (6), and described rotating seat (6) is fixed on described driving sleeve (2); Described stationary ring (4) fits tightly with described rotating ring (7).
2. half cartridge mechanical seal according to claim 1, is characterized in that: described driving sleeve (2) is provided with positioning boss (21), and described rotating seat (6) is fixed on described positioning boss (21).
3. half cartridge mechanical seal according to claim 2, it is characterized in that: between described stationary seat (3) and machine sealed cover (1), be provided with the first seal washer (8), between described rotating seat (6) and positioning boss (21), be provided with the second seal washer (9).
4. according to half cartridge mechanical seal described in claim 1 or 2 or 3, it is characterized in that: between described stationary ring (4) and stationary seat (3), hoop is provided with the 3rd seal washer (10) and the first O-ring seals (11), between described rotating ring (7) and rotating seat (6), hoop is provided with the second O-ring seals (12).
5. according to half cartridge mechanical seal described in claim 1 or 2 or 3, it is characterized in that: in the axial clearance of described stationary ring (4) and stationary seat (3), be equiped with spring seat (13) and spring (14), described spring seat (13) is installed on stationary seat (3), described spring (14) is located between spring seat (13) and stationary seat (3), spring seat (13) leaves gap with driving sleeve (2) and stationary seat (3) in radial direction, and spring seat (13) is along with stationary ring (4) and spring (14) move as axial reciprocating.
6. half cartridge mechanical seal according to claim 4, it is characterized in that: in the axial clearance of described stationary ring (4) and stationary seat (3), be equiped with spring seat (13) and spring (14), described spring seat (13) is installed on stationary seat (3), described spring (14) is located between spring seat (13) and stationary seat (3), spring seat (13) leaves gap with driving sleeve (2) and stationary seat (3) in radial direction, and spring seat (13) is along with stationary ring (4) and spring (14) move as axial reciprocating.
7. according to half cartridge mechanical seal described in claim 1 or 2 or 3, it is characterized in that: described machine sealed cover (1) is provided with collecting chamber (15), described collecting chamber (15) outside is equiped with collecting chamber gland (16), and described collecting chamber gland (16) inner side is embedded with Sealing (17).
8. half cartridge mechanical seal according to claim 4, it is characterized in that: described machine sealed cover (1) is provided with collecting chamber (15), described collecting chamber (15) outside is equiped with collecting chamber gland (16), and described collecting chamber gland (16) inner side is embedded with Sealing (17).
9. half cartridge mechanical seal according to claim 6, it is characterized in that: described machine sealed cover (1) is provided with collecting chamber (15), described collecting chamber (15) outside is equiped with collecting chamber gland (16), and described collecting chamber gland (16) inner side is embedded with Sealing (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817811.1U CN203604648U (en) | 2013-12-13 | 2013-12-13 | Half packaging type mechanical seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817811.1U CN203604648U (en) | 2013-12-13 | 2013-12-13 | Half packaging type mechanical seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604648U true CN203604648U (en) | 2014-05-21 |
Family
ID=50717322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320817811.1U Expired - Lifetime CN203604648U (en) | 2013-12-13 | 2013-12-13 | Half packaging type mechanical seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435654A (en) * | 2017-07-28 | 2017-12-05 | 丹东克隆集团有限责任公司 | Nuclear power medium-voltage safety injection pump mechanically-sealing apparatus |
-
2013
- 2013-12-13 CN CN201320817811.1U patent/CN203604648U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435654A (en) * | 2017-07-28 | 2017-12-05 | 丹东克隆集团有限责任公司 | Nuclear power medium-voltage safety injection pump mechanically-sealing apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203272220U (en) | Two-end-face packaging type mortar pump mechanical seal | |
| CN201627928U (en) | Combined sealing device of input shaft of gear box | |
| CN106090238A (en) | A kind of staggered device for sealing magnetic fluid of split-type | |
| CN203604648U (en) | Half packaging type mechanical seal structure | |
| CN202108764U (en) | Automobile engine cooling pump | |
| CN205559576U (en) | Bearing with seal rings | |
| CN103511629A (en) | Slide seal and seal structure including same | |
| CN109681637A (en) | A kind of daul-side dry round gas seal for screw vacuum dry pump | |
| CN207961527U (en) | A kind of oil sealing sealing device | |
| CN209743437U (en) | Be suitable for conveyer wet brake of mine adverse circumstances | |
| CN209041165U (en) | A kind of mechanical sealing member for centrifugal pump seal | |
| CN203115139U (en) | Material conveying valve with protective sleeve installed on valve seat | |
| CN202971298U (en) | Mechanical seal of centrifugal pump | |
| CN205371630U (en) | Oil seal | |
| CN207740231U (en) | The axial-flow pump of electromagnetic type secondury sealing | |
| CN202381688U (en) | Sealing structure of drive shaft end | |
| CN201916207U (en) | Mechanical seal self-priming pump | |
| CN201193706Y (en) | Mechanical sealing device | |
| CN203230851U (en) | Shaft end sealing device | |
| CN206092944U (en) | Coal grinds leak protection oil mechanism of bull gear | |
| CN201031809Y (en) | Bellows mechanical seal member | |
| CN202220853U (en) | Sealing device of stirring shaft | |
| CN104074982A (en) | Novel hub motor oil seal of electric vehicle | |
| CN202612644U (en) | Oil seal ring of high-pressure plunger pump | |
| CN203963022U (en) | A kind of mechanical sealing device of silicon carbide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |