CN204755907U - Mechanical seal device - Google Patents
Mechanical seal device Download PDFInfo
- Publication number
- CN204755907U CN204755907U CN201520424132.7U CN201520424132U CN204755907U CN 204755907 U CN204755907 U CN 204755907U CN 201520424132 U CN201520424132 U CN 201520424132U CN 204755907 U CN204755907 U CN 204755907U
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- spline
- ring
- axle sleeve
- stationary ring
- flange
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Abstract
The utility model provides a mechanical seal device includes: axle sleeve, axle sleeve set up in the circumference outside of pivot to rotate along with the pivot is synchronous, the rotating ring, the fixed setting of rotating ring is rotated on the axle sleeve and with the axle sleeve is synchronous, quiet ring, quiet ring axial displaceable are moved to another place and are set up the circumference outside in the axle sleeve, and quiet ring has first end and second end, and the first end and the rotating ring looks butt of quiet ring coordinate, the flange, the fixed circumference outside that sets up at the axle sleeve of flange, elastic component, elastic component are located between the second end of flange and quiet ring, and the elastic component adds the axial force towards the rotating ring to quiet circulating application, the quiet ring structure of splining, quiet ring splines the structure setting between flange and quiet ring. The technical scheme of the utility model solve quiet ring sum rotating ring effectively and had the unbalanced pressure within a definite time, and leaded to the problem of the easy wearing and tearing of seal face of rotating ring and quiet interannular.
Description
Technical field
The utility model relates to technical field of sealing technology, in particular to a kind of mechanical seal device.
Background technique
Pump is widely used in the industries such as oil, chemical industry, coal, metallurgy, electric power, when mechanical shaft ends seal request is higher, usually adopts mechanical seal device.
In the prior art, the pump such as Pulp pump mainly adopts mechanical seal device as shown in Figure 1.This device mainly comprises: axle sleeve 2 ', is set in the outside of rotating shaft 1 '; Axle sleeve 2 ' is provided with stationary ring 4 ' and rotating ring 5 '.Stationary ring 4 ' is fixed on the pump housing by flange 3 '.The pressure that rotating ring 5 ' is provided by spring 6 ' realizes sealing.The other end of spring 6 ' is provided with spring seat 7 ', and spring seat 7 ' is fixed on axle sleeve 2 ' by axle sleeve jackscrew 8 ', to prevent sliding axially of spring 6 '.Axle sleeve O type circle 9 ' is provided with between axle sleeve 2 ' and rotating shaft 1 '.Rotating ring O type circle 10 ' is provided with between axle sleeve 2 ' and rotating ring 5 '.In this device, dynamic and static ring realizes sealing by contact, utilizes rotating ring to follow axis of rotation and spring to the pressure of rotating ring, thus is compensated the effect realizing sealing by resiliency pressurize.
But, unbalanced pressure can be there is between such mechanical sealing device active loop and stationary ring, cause the seal face between rotating ring and stationary ring easily to wear and tear.
Model utility content
Main purpose of the present utility model is to provide a kind of mechanical seal device, to solve owing to there is unbalanced pressure between stationary ring and rotating ring in prior art, and causes the problem that the seal face between rotating ring and stationary ring easily weares and teares.
To achieve these goals, the utility model provides a kind of mechanical seal device, comprising: axle sleeve, and axle sleeve is arranged at the outer circumferential of rotating shaft, and with rotating shaft synchronous axial system.Rotating ring, rotating ring to be fixedly installed on axle sleeve and with axle sleeve synchronous axial system.Stationary ring, stationary ring is axially movably arranged at the outer circumferential of axle sleeve, and stationary ring has first end and the second end, and the first end of stationary ring abuts against with rotating ring and coordinates.Flange, flange is fixedly installed on the outer circumferential of axle sleeve.Elastic component, elastic component is between flange and the second end of stationary ring, and elastic component applies towards the axial force of rotating ring to stationary ring.Stationary ring spline structure, stationary ring spline structure is arranged between flange and stationary ring.
Further, stationary ring spline structure is arranged between flange and the second end of stationary ring, and stationary ring spline structure comprises spline seat and the first spline structure of being arranged between flange and spline seat and the second spline structure be arranged between spline seat and stationary ring.
Further, the first spline structure comprises the first spline pin and the first spline pin-and-hole that cooperatively interact, and the first spline pin is arranged on in flange and spline seat, and the first spline pin-and-hole is arranged on another in flange and spline seat.Second spline structure comprises the second spline pin and the second spline pin-and-hole that cooperatively interact, and the second spline pin is arranged on in spline seat and stationary ring, and the second spline pin-and-hole is arranged on another in spline seat and stationary ring.
Further, elastic component has first end and the second end, and flange is provided with the first mounting hole, and the first end of elastic component is arranged on spline seat, and the second end of elastic component is arranged in the first mounting hole.
Further, spline seat has the second mounting hole of the first end holding elastic component.
Further, axle sleeve is provided with axle sleeve annular groove on the end face of stationary ring, and rotating ring is arranged in axle sleeve annular groove.
Further, flange has the axial bump of the outer circumferential being positioned at stationary ring, and the week of axial bump to the inside and be provided with the first sealing configuration between the outer circumferential of stationary ring.
Further, the first sealing configuration is an O type circle, and the week of axial bump has first ring connected in star to the inside, and an O type circle is arranged in first ring connected in star.
Further, the second sealing configuration is provided with between rotating shaft and axle sleeve.
Further, the second sealing configuration is the 2nd O type circle, and the week of axle sleeve has the second annular groove to the inside, and the 2nd O type circle is arranged in the second annular groove.
Application the technical solution of the utility model, axle sleeve makes synchronous axial system with rotating shaft, and rotating ring to be arranged on axle sleeve and to make synchronous axial system with axle sleeve.Flange is fixedly installed on the outer circumferential of axle sleeve, and is coordinated with stationary ring by stationary ring spline structure, and namely flange is by the rotation of stationary ring spline structure restriction stationary ring.Elastic component applies, towards the axial force of rotating ring, to make the first end of stationary ring abut with rotating ring like this to stationary ring, and rotating ring is with axis of rotation simultaneously, thus ensure that rotating ring and stationary ring are by contacting the state realizing sealing.In summary, compared with prior art, do not reoffer the rotatory force driving rotating ring at the utility model Elastic part, axial force pressure is only provided, sealing effect can be made so better.Meanwhile, make the pressure between rotating ring and stationary ring more easily reach balance, thus there is the advantages such as good seal performance, Sealing end face are not easy to wear, long service life.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the mechanical seal device according to this prior art;
Fig. 2 shows the structural representation of the embodiment according to mechanical seal device of the present utility model;
Fig. 3 shows the right elevation of the flange of the mechanical seal device of Fig. 2;
Fig. 4 shows the right elevation of the spline seat of the mechanical seal device of Fig. 2;
Fig. 5 shows the A-A of the spline seat of the mechanical seal device of Fig. 2 to sectional view.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1 ', rotating shaft; 2 ', axle sleeve; 3 ', flange; 4 ', stationary ring; 5 ', rotating ring; 6 ', spring; 7 ', spring seat; 8 ', axle sleeve jackscrew; 9 ', axle sleeve O type circle; 10 ', rotating ring O type circle;
10, axle sleeve; 100, rotating shaft; 20, rotating ring; 30, elastic component; 40, spline seat; 50, stationary ring; 60, the 2nd O type circle; 70, an O type circle; 80, flange; 81, the first mounting hole; 82, the first spline pin-and-hole.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 2, the mechanical seal device of the present embodiment comprises: axle sleeve 10, rotating ring 20, stationary ring 50, flange 80, elastic component 30 and stationary ring spline structure.Axle sleeve 10 is arranged at the outer circumferential of rotating shaft 100, and with rotating shaft 100 synchronous axial system.Rotating ring 20 to be arranged on axle sleeve 10 and with axle sleeve 10 synchronous axial system.Stationary ring 50 is arranged at the outer circumferential of axle sleeve 10, and stationary ring 50 has the first end and the second end that to abut against with rotating ring 20 and coordinate.Flange 80 is fixedly installed on the outer circumferential of axle sleeve 10.Elastic component 30 is between flange 80 and the second end of stationary ring 50, and elastic component 30 applies towards the axial force of rotating ring 20 to stationary ring 50.Stationary ring spline structure is arranged between flange 80 and stationary ring 50.
The technological scheme of application the present embodiment, axle sleeve 10 makes synchronous axial system with rotating shaft 100, and rotating ring 20 to be arranged on axle sleeve 10 and to make synchronous axial system with axle sleeve.Flange 80 is fixedly installed on the outer circumferential of axle sleeve 10, and is coordinated with stationary ring 50 by stationary ring spline structure, and namely flange 80 is by the rotation of stationary ring spline structure restriction stationary ring 50.Elastic component applies, towards the axial force of rotating ring, to make the first end of stationary ring 50 and rotating ring abut against like this to stationary ring, and rotating ring is with axis of rotation simultaneously, thus ensure that rotating ring 20 and stationary ring 50 are by contacting the state realizing sealing.In summary, compared with prior art, elastic component is no longer with providing the rotatory force driving rotating ring in the present embodiment, only provides axial force pressure, sealing effect can be made so better.Meanwhile, make the pressure between rotating ring and stationary ring more easily reach balance, thus there is the advantages such as good seal performance, Sealing end face are not easy to wear, long service life.
As shown in Fig. 2, Fig. 4 and Fig. 5, in the technological scheme of the present embodiment, stationary ring spline structure is arranged between flange 80 and the second end of stationary ring 50, and stationary ring spline structure comprises spline seat 40 and the first spline structure of being arranged between flange 80 and spline seat 40 and the second spline structure be arranged between spline seat 40 and stationary ring 50.Said structure also makes designs simplification, easily processes while ensure that flange 80 and stationary ring 50 meet relative static conditions.
As shown in Figures 2 and 3, in the technological scheme of the present embodiment, flange 80 is provided with the first spline pin-and-hole 82, stationary ring 50 is provided with the second spline pin-and-hole, spline seat 40 both sides are respectively arranged with the first spline pin and the second spline pin, first spline pin coordinates with the first spline pin-and-hole, and the second spline pin and the second spline pin-and-hole coordinate.While said structure achieves the spline of stationary ring 50, processing is simple.Certainly, also can be that flange 80 is provided with the first spline pin as one skilled in the art will appreciate that, spline seat 40 be provided with the first spline pin-and-hole coordinated with the first spline pin.Spline seat 40 is provided with the second spline pin-and-hole, and stationary ring 50 is provided with the second spline pin coordinated with the second spline pin-and-hole.Certainly, the first spline structure and the second spline structure are not limited to the above-mentioned mode of execution mentioned, as long as other structures meeting spline limit function are also passable.
As shown in Figure 2, in the technological scheme of the present embodiment, elastic component 30 has first end and the second end, and flange 80 is provided with the first mounting hole 81, and the first end of elastic component 30 is arranged on spline seat 40, and the second end of elastic component 30 is arranged in the first mounting hole 81.This structure has been limited to flange 80 and the relatively-stationary position of spline seat 40 elastic component, ensure that elastic component can not be shifted, lose efficacy.As preferably, elastic component and elasticity piece bores are multiple, and one_to_one corresponding is arranged, and it is stressed more balanced that the structure of multiple setting can ensure more to keep between stationary ring with rotating ring.
As shown in Figure 2, in the technological scheme of the present embodiment, spline seat 40 has the second mounting hole of the first end holding elastic component 30, and said structure ensure that elastic component 30 and stationary ring 50 keep stable and contact, and there will not be elastic component 30 sideslip and causes stationary ring 50 discontinuity.
Axle sleeve 10 is provided with axle sleeve annular groove on the end face of stationary ring 50, and rotating ring 20 is arranged in axle sleeve annular groove.Preferably, in the technological scheme of the present embodiment, the position that rotating ring 20 is arranged preferably meets it with contact force when stationary ring 50 is inconsistent only has axial force, such sealing effect the best.
As shown in Figure 2, in the technological scheme of the present embodiment, flange 80 has the circumferential bump of the outer circumferential being positioned at stationary ring 50, and the week of axial bump is provided with the first sealing configuration to the inside and between the outer circumferential of stationary ring 50.The axial bump of flange can compress stationary ring 50, makes stationary ring 50 more stable.The first sealing configuration between flange 80 and stationary ring 50 ensure that solid particle in system and impurity can not enter, and decreases the wearing and tearing of all parts, adds the working life of this mechanical seal device.
Preferably, in the technological scheme of the present embodiment, the first sealing configuration is an O type circle 70, and the week of axial bump has flange annular recess to the inside, and an O type circle 70 is arranged in flange annular recess.Said structure is while guarantee sealing effect, and structure is simple, easily realizes.
As shown in Figure 2, in the technological scheme of the present embodiment, have the second sealing configuration between rotating shaft 100 and axle sleeve 10, this structure ensure that the sealing effect between rotating shaft 100 and axle sleeve 10.
Preferably, in the technological scheme of the present embodiment, the second sealing configuration is the 2nd O type circle 60, and the week of axle sleeve 10 has the second annular groove to the inside, and the 2nd O type circle 60 is arranged in the second annular groove.Said structure prevents entering of solid particle and impurity, and simple for structure, cost is lower.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a mechanical seal device, is characterized in that, comprising:
Axle sleeve (10), described axle sleeve (10) is arranged at the outer circumferential of rotating shaft (100), and with described rotating shaft (100) synchronous axial system;
Rotating ring (20), described rotating ring (20) be fixedly installed on described axle sleeve (10) upper and with described axle sleeve (10) synchronous axial system;
Stationary ring (50), described stationary ring (50) is axially movably arranged at the outer circumferential of described axle sleeve (10), described stationary ring (50) has first end and the second end, and the first end of described stationary ring (50) abuts against with described rotating ring (20) and coordinates;
Flange (80), described flange (80) is fixedly installed on the outer circumferential of described axle sleeve (10);
Elastic component (30), described elastic component (30) is positioned between the second end of described flange (80) and described stationary ring (50), and described elastic component (30) applies towards the axial force of described rotating ring (20) to described stationary ring (50);
Stationary ring spline structure, described stationary ring spline structure is arranged between described flange (80) and described stationary ring (50).
2. mechanical seal device according to claim 1, it is characterized in that, described stationary ring spline structure is arranged between the second end of described flange (80) and described stationary ring (50), and described stationary ring spline structure comprises spline seat (40) and the first spline structure be arranged between described flange (80) and described spline seat (40) and the second spline structure be arranged between described spline seat (40) and described stationary ring (50).
3. mechanical seal device according to claim 2, is characterized in that,
Described first spline structure comprises the first spline pin and the first spline pin-and-hole that cooperatively interact, described first spline pin is arranged on in described flange (80) and described spline seat (40), and described first spline pin-and-hole is arranged on another in described flange (80) and described spline seat (40);
Described second spline structure comprises the second spline pin and the second spline pin-and-hole that cooperatively interact, described second spline pin is arranged on in described spline seat (40) and described stationary ring (50), and described second spline pin-and-hole is arranged on another in described spline seat (40) and described stationary ring (50).
4. mechanical seal device according to claim 3, it is characterized in that, described elastic component (30) has first end and the second end, described flange (80) is provided with the first mounting hole (81), the first end of described elastic component (30) is arranged on described spline seat (40), and the second end of described elastic component (30) is arranged in described first mounting hole (81).
5. mechanical seal device according to claim 4, is characterized in that, described spline seat (40) has the second mounting hole of the first end holding described elastic component (30).
6. mechanical seal device according to claim 1, it is characterized in that, described axle sleeve (10) is provided with axle sleeve annular groove on the end face of described stationary ring (50), and described rotating ring (20) is arranged in described axle sleeve annular groove.
7. mechanical seal device according to claim 1, it is characterized in that, described flange (80) has the axial bump of the outer circumferential being positioned at described stationary ring (50), and the week of described axial bump is provided with the first sealing configuration to the inside and between the outer circumferential of described stationary ring (50).
8. mechanical seal device according to claim 7, it is characterized in that, described first sealing configuration is an O type circle (70), and the week of described axial bump has first ring connected in star to the inside, and a described O type circle (70) is arranged in described first ring connected in star.
9. mechanical seal device according to claim 1, is characterized in that, is provided with the second sealing configuration between described rotating shaft (100) and described axle sleeve (10).
10. mechanical seal device according to claim 9, it is characterized in that, described second sealing configuration is the 2nd O type circle, and the week of described axle sleeve (10) has the second annular groove to the inside, and described 2nd O type circle (60) is arranged in described second annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424132.7U CN204755907U (en) | 2015-06-18 | 2015-06-18 | Mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424132.7U CN204755907U (en) | 2015-06-18 | 2015-06-18 | Mechanical seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755907U true CN204755907U (en) | 2015-11-11 |
Family
ID=54470615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424132.7U Active CN204755907U (en) | 2015-06-18 | 2015-06-18 | Mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763794A (en) * | 2015-11-24 | 2017-05-31 | 西安航空动力控制科技有限公司 | A kind of end face seal structure of fuel oil pump shaft tail |
-
2015
- 2015-06-18 CN CN201520424132.7U patent/CN204755907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763794A (en) * | 2015-11-24 | 2017-05-31 | 西安航空动力控制科技有限公司 | A kind of end face seal structure of fuel oil pump shaft tail |
| CN106763794B (en) * | 2015-11-24 | 2018-12-14 | 西安航空动力控制科技有限公司 | A kind of end face seal structure of fuel oil pump shaft tail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1, building 606, medicine City Avenue, Jiangsu, Taizhou, China, 225316 Patentee after: Sinorchem Technology Co. Ltd. Address before: 225300 Taizhou City, Jiangsu Province medicine City Avenue, No. 1 Patentee before: Jiangsu Sinorgchem Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 200120 Shanghai, China (Shanghai) free trade zone, 2304 Pudong Avenue, 2304. Patentee after: Sinorchem Technology Co. Ltd. Address before: 225316 Room 606, medicine City Avenue, Taizhou, Taizhou, Jiangsu Patentee before: Sinorchem Technology Co. Ltd. |