CN202531481U - Mechanical seal device for pipeline pump - Google Patents
Mechanical seal device for pipeline pump Download PDFInfo
- Publication number
- CN202531481U CN202531481U CN2012201945743U CN201220194574U CN202531481U CN 202531481 U CN202531481 U CN 202531481U CN 2012201945743 U CN2012201945743 U CN 2012201945743U CN 201220194574 U CN201220194574 U CN 201220194574U CN 202531481 U CN202531481 U CN 202531481U
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- CN
- China
- Prior art keywords
- ring
- seal
- seat
- stationary ring
- driving sleeve
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- 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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- Mechanical Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a mechanical seal device for a pipeline pump, which is connected with the exterior of a rotating shaft of the pipeline pump in a sleeving manner. A stationary ring gland is sleeved and connected with a rotating shaft sleeve in a clearance manner and is in sealing connection with a pump body; a stationary ring is sleeved and connected with a ring of the inner end face of the stationary ring gland in a fastened and sealing manner; the external diameter of the ring of the stationary ring gland is greater than the maximum outlines of a moving ring seat and a spring seat; the moving ring seat is sleeved and connected with the rotating shaft sleeve, rotates with the shaft sleeve, and can move in the axial direction; and an annular groove is formed in the axial end face of the moving ring seat, facing towards the stationary ring; a moving ring is embedded into the groove of the moving ring seat, and the end face of the moving ring, facing towards the stationary ring, rotatablely pushes against the axial inner end face of the stationary ring in a sealing manner; the spring seat is sleeved and connected with a driving shaft sleeve tightly and connected with the driving shaft sleeve integratedly through welding; two ends of a pressure spring push against the moving ring seat and the spring seat respectively and are compressed; and simplification of the manufacturing process is realized due to the fact that the spring seat and the shaft sleeve are independently manufactured and then welded into a whole. As the external diameter of the ring of the inner end face of the stationary ring gland is greater than the maximum outlines of the moving ring seat and the spring seat, the moving ring part and the shaft sleeve can be conveniently pulled out of the pump body.
Description
Technical field
The utility model relates to a kind of seal arrangement of machinery, the mechanical seal device that particularly a kind of pipeline mounted pump is used.
Background technique
At present the mechanical seal device that is used for pipeline mounted pump of the prior art generally includes the stationary ring that is fixedly connected with casing, is installed on the rotating ring that rotates with rotating shaft in the casing, and stationary ring is isolated from the outside through Sealing, and rotating ring passes through sealing and is connected with sleeve sealing; Axle sleeve is with the rotating shaft socket; And be connected with rotating shaft sealing through Sealing, have the airtight surface accuracy of rotation between stationary ring, the rotating ring bearing surface, after stationary ring, rotating ring connect; Butt has pressure spring between the other end of rotating ring and the spring seat; Rotating ring keeps the butt pressure with stationary ring under the effect of pressure spring, form the mechanical seal of pipeline mounted pump, and the shortcoming of the mechanical seal device of existing pipeline mounted pump is: the one-body molded making of spring seat and axle sleeve; Not only manufacturing process is complicated, and materials consumption is also bigger.
The model utility content
The utility model is in order to overcome defective in the above-mentioned existing technology, through the independent respectively back one of making of spring seat and axle sleeve is connected, to realize the simplification of manufacturing process, reduce the consumption of material simultaneously, reducing total manufacture cost.
The mechanical seal device that the utility model provides a kind of pipeline mounted pump to use is socketed in the outside of pipeline mounted pump rotating shaft, comprising: driving sleeve, and it is socketed in the outside of rotating shaft and through seal ring and rotating shaft sealing; Seal end plate, socket rotary axle box in gap is tightly connected through the securing means and the pump housing; Stationary ring, adapter sleeve are connected to the interior edge face of seal end plate, and are tightly connected through Sealing and seal end plate, the driving sleeve of gap socket simultaneously, and the axial inner ends mask of stationary ring has the precision of rotary seal; Rotating seat, the socket rotary axle box also rotates with driving sleeve, simultaneously, can move vertically, is provided with annular groove towards the axial end of stationary ring, and the axial the other end is provided with end face radially; Rotating ring; The socket rotary axle box; Have the precision of rotary seal and form rotating sealing butt towards the end face of stationary ring with the axial inner ends face of corresponding stationary ring; The other end of stationary ring is fastening dorsad is nested in the corresponding said annular groove of rotating seat, is tightly connected mutually through Sealing between rotating ring, rotating seat, the driving sleeve; Spring seat, fastening socket driving sleeve, and through the welding be connected with the driving sleeve one, its end face towards rotating ring is kept at a distance with the corresponding radial end face of rotating seat; Pressure spring, its two ends connect with rotating seat and spring seat respectively and are compressed, and that the pressure that pressure spring provided is guaranteed is quiet, keep suitable butt pressure between the rotating ring.
Wherein, seal end plate is accurately located through the positioning ring and the rotating shaft axle sleeve of outer end, and it is outside and be fastenedly connected through screw and tight fixed bolt and driving sleeve that positioning ring is socketed on driving sleeve; Clamping has inserted sheet between positioning ring and the seal end plate, rotates butt between inserted sheet and the seal end plate; Also be provided with the bolt via hole of axial perforation seal end plate ring week, the use clamping bolt wears the bolt via hole and the pump housing is fastenedly connected; Positioning ring, inserted sheet, bolt via hole and bolt have constituted the securing means that fits tightly between the seal end plate and the pump housing.
Further, that the end face of seal end plate socket stationary ring is provided with is protruding, the fixing annulus of stationary ring, the inboard of stationary ring embedding annulus, and clamping has seal ring between stationary ring and seal end plate; Simultaneously, the external diameter of annulus is greater than the largest contours profile of rotating seat, spring seat, and annulus portion embeds the corresponding position of the pump housing during installation, and when changing mechanical seal device, rotating ring part and axle sleeve can be pulled out in the pump housing easily.
Further; Rotating seat is provided with the guide ring socket driving sleeve, axial, that the ring weekly interval is provided with towards spring seat; Driving sleeve be provided with corresponding axially, the otch that is provided with of ring weekly interval, guide ring is socketed in the pressure spring, interleaved shape between all otch of the ring of guide ring and driving sleeve; One by one embed in the otch, form rotational restraint each other.
Wherein, another of the stationary ring dorsad of driving sleeve is provided with the annular groove towards rotating shaft near the tail end, and groove is embedded in the seal ring with driving sleeve and rotating shaft sealing.
Compared with prior art, the utility model is through independently making spring seat and axle sleeve respectively, and one connects after assembling, realizes the simplification of manufacturing process, reduces the consumption of material simultaneously, reduces total manufacture cost; In addition, the annulus external diameter of seal end plate institute socket stationary ring is greater than the largest contours profile of rotating seat, spring seat, and when changing mechanical seal device, rotating ring part and axle sleeve can be pulled out in the pump housing easily.
Description of drawings
Fig. 1 is the main structure sectional view of the mechanical seal device used of a kind of pipeline mounted pump of the utility model.
In conjunction with the accompanying drawing following reference character of mark above that:
The 1-rotating shaft, 11-driving sleeve, 12-annular groove, 13-seal ring, 14-otch, 2-seal end plate; 21-bolt via hole, 22-annulus, 3-positioning ring, 31-screw, 32-inserted sheet, 33-tight fixed bolt; The 4-stationary ring, 41-seal ring, 5-rotating ring, 51-seal ring, 6-rotating seat; The 61-groove, 62-radial end face, 63-guide ring, 7-spring seat, 8-pressure spring.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the utility model is described in detail, but the protection domain that is to be understood that the utility model does not receive the restriction of embodiment.
The mechanical seal device that a kind of pipeline mounted pump of the utility model is used is as shown in Figure 1; Be socketed in the outside of pipeline mounted pump rotating shaft 1; Comprise: driving sleeve 11; It is socketed in the outside of rotating shaft 1 and through seal ring 13 and rotating shaft 1 sealing, another of the stationary ring dorsad 4 of driving sleeve 11 is provided with towards the annular groove 12 of the embedding seal ring 13 of rotating shaft near the tail end; Seal end plate 2, gap socket rotary axle box 11 fits tightly through securing means and pump housing (not shown); Stationary ring 4, adapter sleeve are connected to the interior edge face of seal end plate 2, and are tightly connected through seal ring 41 and seal end plate 2, the driving sleeve of gap socket simultaneously 11, and the axial inner ends mask of stationary ring has the precision of rotary seal; Rotating seat 6, socket rotary axle box 11 is provided with annular groove 61 towards the axial end of stationary ring, and the axial the other end is provided with end face 62 radially; Rotating ring 5; Socket rotary axle box 11; Have the precision of rotary seal and form rotating sealing butt towards the end face of stationary ring 4 with the axial inner ends face of stationary ring 4; The other end of stationary ring 4 is fastening dorsad is nested in the corresponding said annular groove 61 of rotating seat, is tightly connected mutually through seal ring 51 between rotating ring 5, rotating seat 6, the driving sleeve 11; Spring seat 7 is " L " structure of annular, and fixedly sleeved driving sleeve 11, spring seat 7 are integrally formed with driving sleeve through laser bonding after accomplishing the assembling socket and are connected, and its end face towards rotating seat 6 is kept at a distance with the corresponding radial end face 62 of rotating seat; Pressure spring 8, its two ends connect with radial end face of rotating seat 62 and spring seat 7 respectively and are compressed, and that the pressure that pressure spring 8 is provided is guaranteed is quiet, keep suitable butt pressure between the rotating ring.
Further as shown in Figure 1, seal end plate 2 is accurately located with rotating shaft axle sleeve 11 through the positioning ring 3 of outer end, and positioning ring 3 is socketed on driving sleeve 11 outsides and is fastenedly connected with driving sleeve 11 through screw 31 and tight fixed bolt 33; Clamping has inserted sheet 32 between positioning ring and the seal end plate, rotates butt between inserted sheet 32 and the seal end plate 2; The bolt via hole 21 that 2 ring weeks of seal end plate also are provided with axial perforation uses the clamping bolt (not shown) to wear bolt via hole 21 and is fastenedly connected with pump housing (not shown); Positioning ring, inserted sheet, bolt via hole and bolt have constituted the securing means that fits tightly between the seal end plate and the pump housing.
Further as shown in Figure 1, that the end face of seal end plate 2 socket stationary rings is provided with is protruding, the fixing annulus 22 of stationary ring, the inboard of stationary ring 4 embedding annulus 22, and clamping has seal ring 41 between stationary ring 4 and seal end plate 2; Simultaneously, the external diameter of annulus 22 is greater than the largest contours profile of rotating seat 6, spring seat 7, and annulus portion embeds the corresponding position of the pump housing during installation, and when changing mechanical seal device, rotating ring part and axle sleeve can be pulled out in the pump housing easily.
Further as shown in Figure 1; Rotating seat 6 is provided with guide ring 63 socket driving sleeve 1, axial, that the ring weekly interval is provided with towards spring seat 7; Driving sleeve 1 be provided with corresponding axially, the otch 14 that is provided with of ring weekly interval, guide ring is socketed in the pressure spring 8, interleaved shape between all otch 14 of the ring of guide ring 63 and driving sleeve; One by one embed in the otch 14, form rotational restraint each other.
Compared with prior art, the utility model is through making spring seat and axle sleeve are independent respectively, after assembling, uses laser bonding and is integrally formed connection, and the simplification of realization manufacturing process reduces the consumption of material simultaneously, reduces total manufacture cost; In addition, the annulus external diameter of seal end plate institute socket stationary ring is greater than the largest contours profile of rotating seat, spring seat, and when changing mechanical seal device, rotating ring part and axle sleeve can be pulled out in the pump housing easily.
More than a disclosed specific embodiment that is merely the utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the utility model.
Claims (5)
1. mechanical seal device that pipeline mounted pump is used is socketed in the outside of pipeline mounted pump rotating shaft, it is characterized in that, comprising:
Driving sleeve, it is socketed in the outside of rotating shaft and passes through seal ring and rotating shaft sealing;
Seal end plate, socket rotary axle box in gap is tightly connected through the securing means and the pump housing;
Stationary ring, adapter sleeve are connected to the interior edge face of seal end plate, and are tightly connected through Sealing and seal end plate, the driving sleeve of gap socket simultaneously, and the axial inner ends mask of stationary ring has the precision of rotary seal;
Rotating seat, the socket rotary axle box rotates with driving sleeve, can move axially simultaneously, is provided with annular groove towards the axial end of stationary ring, and the axial the other end is provided with end face radially;
Rotating ring; The socket rotary axle box; Have the precision of rotary seal and form rotating sealing butt towards the end face of stationary ring with the axial inner ends face of corresponding stationary ring; The other end of stationary ring is fastening dorsad is nested in the corresponding said annular groove of rotating seat, is tightly connected mutually through Sealing between rotating ring, rotating seat, the driving sleeve;
Spring seat, fastening socket driving sleeve, and through the welding be connected with the driving sleeve one, its end face towards rotating ring is kept at a distance with the corresponding radial end face of rotating seat;
Pressure spring, its two ends connect with rotating seat and spring seat respectively and are compressed.
2. the mechanical seal device that pipeline mounted pump according to claim 1 is used; It is characterized in that; Described seal end plate is accurately located through the positioning ring and the rotating shaft axle sleeve of outer end, and it is outside and be fastenedly connected through screw and tight fixed bolt and driving sleeve that positioning ring is socketed on driving sleeve; Clamping has inserted sheet between positioning ring and the seal end plate, rotates butt between inserted sheet and the seal end plate; Also be provided with the bolt via hole of axial perforation seal end plate ring week, the use clamping bolt wears the bolt via hole and the pump housing is fastenedly connected; Positioning ring, inserted sheet, bolt via hole and bolt have constituted the securing means that fits tightly between the seal end plate and the pump housing.
3. the mechanical seal device that pipeline mounted pump according to claim 2 is used; It is characterized in that; That the end face of described seal end plate socket stationary ring is provided with is protruding, the fixing annulus of stationary ring, the inboard of stationary ring embedding annulus, and clamping has seal ring between stationary ring and seal end plate; Simultaneously, the external diameter of annulus is greater than the largest contours profile of rotating seat, spring seat, and annulus portion embeds the corresponding position of the pump housing during installation.
4. the mechanical seal device that pipeline mounted pump according to claim 3 is used; It is characterized in that, described rotating seat towards spring seat be provided with the socket driving sleeve, axially, the guide ring that is provided with of ring weekly interval, driving sleeve be provided with corresponding axially, the otch that is provided with of ring weekly interval; Guide ring is socketed in the pressure spring; Interleaved shape between all otch of the ring of guide ring and driving sleeve one by one embeds in the otch, forms rotational restraint each other.
5. the mechanical seal device of pipeline mounted pump according to claim 1 is characterized in that, another of the stationary ring dorsad of described driving sleeve is provided with the annular groove towards rotating shaft near the tail end, and groove is embedded in the seal ring with driving sleeve and rotating shaft sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201945743U CN202531481U (en) | 2012-04-20 | 2012-04-20 | Mechanical seal device for pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201945743U CN202531481U (en) | 2012-04-20 | 2012-04-20 | Mechanical seal device for pipeline pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531481U true CN202531481U (en) | 2012-11-14 |
Family
ID=47132670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201945743U Expired - Fee Related CN202531481U (en) | 2012-04-20 | 2012-04-20 | Mechanical seal device for pipeline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531481U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671230A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Mechanical sealing structure of centrifugal pump |
| CN104989827A (en) * | 2015-06-17 | 2015-10-21 | 宁波东联密封件有限公司 | Mechanical sealing device for pump |
| CN106246922A (en) * | 2016-08-25 | 2016-12-21 | 浙江南元泵业有限公司 | horizontal mechanical seal for pump |
| CN106321503A (en) * | 2016-08-30 | 2017-01-11 | 宁波天工机械密封有限公司 | Mechanical seal for food equipment |
| CN106989052A (en) * | 2017-03-23 | 2017-07-28 | 宁波伏尔肯陶瓷科技有限公司 | A kind of centrifugal multistage pump multiple centrifugal pump mechanical sealing device of silicon carbide |
| CN109562389A (en) * | 2016-05-26 | 2019-04-02 | 贝尔坦技术有限公司 | For making the water-tight equipment of the machine of waste safety |
-
2012
- 2012-04-20 CN CN2012201945743U patent/CN202531481U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671230A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Mechanical sealing structure of centrifugal pump |
| CN104989827A (en) * | 2015-06-17 | 2015-10-21 | 宁波东联密封件有限公司 | Mechanical sealing device for pump |
| CN109562389A (en) * | 2016-05-26 | 2019-04-02 | 贝尔坦技术有限公司 | For making the water-tight equipment of the machine of waste safety |
| CN106246922A (en) * | 2016-08-25 | 2016-12-21 | 浙江南元泵业有限公司 | horizontal mechanical seal for pump |
| CN106321503A (en) * | 2016-08-30 | 2017-01-11 | 宁波天工机械密封有限公司 | Mechanical seal for food equipment |
| CN106321503B (en) * | 2016-08-30 | 2019-05-17 | 宁波天工机械密封有限公司 | A kind of food apparatus mechanical seal |
| CN106989052A (en) * | 2017-03-23 | 2017-07-28 | 宁波伏尔肯陶瓷科技有限公司 | A kind of centrifugal multistage pump multiple centrifugal pump mechanical sealing device of silicon carbide |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210420 |