CN203868332U - Mechanical seal for dryer - Google Patents
Mechanical seal for dryer Download PDFInfo
- Publication number
- CN203868332U CN203868332U CN201420280502.XU CN201420280502U CN203868332U CN 203868332 U CN203868332 U CN 203868332U CN 201420280502 U CN201420280502 U CN 201420280502U CN 203868332 U CN203868332 U CN 203868332U
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- CN
- China
- Prior art keywords
- seat
- ring
- mechanical seal
- stationary
- spring
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- Expired - Fee Related
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- Mechanical Sealing (AREA)
Abstract
The utility model provides a mechanical seal for a dryer. The mechanical seal solves the problems that an existing seal device is not reasonable enough in structure and poor in sealing effect. The mechanical seal is installed on a spindle extending out of an engine bed and comprises a dynamic ring, a static ring, a static ring base, a bushing and a dynamic ring base. The static ring abuts against the dynamic ring and is installed on one side of the static ring base. The bushing comprises a vertical part and a horizontal part. The spindle is sleeved with the horizontal part. The other side of the static ring base abuts against the vertical part. A static seal ring is arranged between the static ring base and the bushing. The horizontal part is sleeved with a spring base, and one end of the horizontal part protrudes out of the outer end face of the spring base. A seal washer is installed between the bushing and the outer end face of the spring base. Springs are evenly distributed between the spring base and the bushing. The spring base is fixedly connected with a drive pin. The drive pin penetrates through the bushing and tensions the spring base onto the static ring base. The dynamic ring is installed on the dynamic ring base fixedly connected to the engine bed. The mechanical seal has the advantages of being simple in structure and good in stability.
Description
Technical field
The utility model relates to a kind of mechanical seal, particularly a kind of mechanical seal for dryer.
Background technique
Chinese patent CN103335508A discloses a kind of flake type dryer seal arrangement, comprises sealed outer ring, sealing flange, briquetting, temperature controlling device, cylindrical shell sheath, Sealing shield ring and interior collet, cylindrical shell sheath is arranged on cylindrical shell, temperature controlling device one end and cylindrical shell sheath are close to, and the other end is fixed on sealing flange by bolt-locking briquetting, and sealing flange is welded on sealed outer ring, sealing flange is used in combination with the Sealing shield ring being arranged on cylindrical shell, is also provided with interior collet on cylindrical shell.
Above-mentioned seal arrangement sealing configuration is reasonable not, and design sealing effect is bad.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of mechanical seal for dryer of simple in structure, good stability.
The purpose of this utility model can realize by following technical proposal: a kind of mechanical seal for dryer, mechanical seal is arranged on the main shaft that stretches out support, comprise rotating ring, stationary ring and stationary seat, stationary ring and rotating ring offset and surface of contact sealing, described stationary ring is arranged on a side of stationary seat, it is characterized in that, also comprise lining and rotating seat, described lining is that solid of rotation and cross section are " L " font, described lining comprises vertical component effect and horizontal part, described horizontal part is set on main shaft, opposite side and the vertical component effect of stationary seat offset, between stationary seat and lining, be provided with static sealing ring, on horizontal part, be arranged with the exterior edge face of the end protrusion spring seat of spring seat and horizontal part, between lining and the exterior edge face of spring seat, seal washer is installed, between spring seat and lining, be evenly equipped with some springs, on described spring seat, be fixed with some driving pins, described driving pin passes lining and spring seat is tightened on stationary seat, described rotating ring is arranged on rotating seat, described rotating seat is connected on support.
In above-mentioned a kind of mechanical seal for dryer, described spring seat comprises the face of pushing against and exterior edge face, on face, offer several equally distributed counterbores pushing against, in described counterbore, spring is installed, the other end of spring pushes against to horizontal part, on exterior edge face, offer draw-in groove, offer annular groove on horizontal part, the two ends of described seal washer are resisted against respectively on draw-in groove and annular groove.
In above-mentioned a kind of mechanical seal for dryer, described spring is provided with six.
In above-mentioned a kind of mechanical seal for dryer, described driving pin be connected on spring seat and axis parallel with main shaft, described stationary seat offers driving hole, the diameter of driving hole is greater than the diameter of driving pin, described driving pin is through stationary seat and be inserted with stop pin in end, and the length of stop pin is greater than the diameter of driving hole.
In above-mentioned a kind of mechanical seal for dryer, described driving pin has two and be symmetrically distributed on spring seat.
A kind of mechanical seal for dryer above-mentioned, offers U groove on described lining, and described driving pin is connected on stationary seat through U groove.
A kind of mechanical seal for dryer above-mentioned, arranges dynamic seal ring between described rotating seat and support.
Compared with prior art, the utlity model has following advantage:
1, between a side of spring seat and lining, spring is set, between spring seat and stationary seat, by driving pin, strains simultaneously, can make lining push against on stationary seat, by adjusting spring, can conveniently regulate the power of pushing against.
2, between horizontal part and exterior edge face, seal washer is set, can makes the stress equalization between spring seat and lining, can not wave.
3, static sealing ring is set between stationary seat and lining and had both played seal action, play again the effect of buffering.
4, rotating seat is fastened on support with fastening piece, installs and changes simply, convenient, between rotating seat and support, dynamic seal ring is set, and has good sealing effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, rotating ring; 2, stationary ring; 3, static sealing ring; 4, stationary seat; 4a, driving hole; 5, lining; 5a, vertical component effect; 5b, horizontal part; 5c, annular groove; 5d, U groove; 6, spring seat; 6a, exterior edge face; 6b, draw-in groove; 6c, driving pin; 6d, counterbore; 6e, push against face; 7, seal washer; 8, stop pin; 9, rotating seat; 10, dynamic seal ring; 11, support; 12, spring.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, the utility model is arranged on the main shaft stretching out from support 11, comprise rotating ring 1, lining 5, stationary ring 2 and stationary seat 4, stationary ring 2 offsets with rotating ring 1 and surface of contact sealing, stationary ring 2 is arranged on a side of stationary seat 4, the opposite side of stationary seat 4 and lining 5 offset, lining 5 along the cross section of axial direction wherein a side be " L shaped ", comprise vertical component effect 5a and horizontal part 5b, horizontal part 5b is set on main shaft, vertical component effect 5a can push against on stationary seat 4, on the side of stationary seat 4, offer circular groove, static sealing ring 3 is installed in circular groove, surface of contact between the salable stationary seat 4 of static sealing ring 3 and lining 5.
On the horizontal part 5b of lining 5, be arranged with spring seat 6, spring seat 6 comprises and pushes against face 6e, exterior edge face 6a and six counterbore 6d, counterbore 6d is opened in that to push against face 6e upper and along the axis uniform ring of main shaft around pushing against on face 6e, spring 12 is installed in counterbore 6d, the other end of spring 12 pushes against on horizontal part 5b, the exterior edge face 6a of spring seat 6 is protruded in the end of horizontal part 5b, on the 6a of exterior edge face, offer draw-in groove 6b, on horizontal part 5b, offer annular groove 5c, between lining 5 and the exterior edge face 6a of spring seat 6, seal washer 7 is installed, the two ends of seal washer 7 are resisted against respectively on draw-in groove 6b and annular groove 5c, spring seat 6 can slide on horizontal part 5b.
On spring seat 6, symmetry is fixed with two driving pin 6c, driving pin 6c is connected in upper spring seat 6 and axis is parallel with main shaft, on stationary seat 4, offer driving hole 4a, the diameter of driving hole 4a is greater than the diameter of driving pin 6c, on lining 5, offer U groove 5D, the position of U groove 5D is corresponding with the position of driving pin 6c, driving pin 6c can be connected on stationary seat 4 through U groove 5D, in the end of driving pin 6c, be inserted with stop pin 8, the length of stop pin 8 is greater than the diameter of driving hole 4a, elastic force effect by stop pin 8 with spring 12, driving pin 6c is tightened on stationary seat 4.
Rotating ring 1 is arranged on rotating seat 9, and rotating seat 9 is fastened on support 11 by fastening piece, between rotating seat 9 and support 11, dynamic seal ring 10 is set.
The utility model is under original state, rotating seat 9 rotates and drives rotating ring 1 to rotate, rotating ring 1 produces relative movement with the surface of contact of stationary ring 2, stationary seat 4 vibrations can drive lining 5 motions, the vertical component effect 5a of lining 5 and the spacing of spring seat 6 shorten, spring 12 compressions increase the pressure that spring seat 6 is subject to, because the driving pin 6c on spring seat 6 and stop pin 8 length are fixed value, thereby driving pin 6c band flexible spring seat 6 is tightened to stationary seat 4, seal washer 7 also produces axial spring force simultaneously, spring seat 6 is pushed on vertical component effect 5a, whole mechanical seal is elastic registration, can subdue the impact of vibrations, keep stationary ring 2 to be adjacent on rotating ring 1, make the whole sealing state that keeps.
Compared with prior art, the utlity model has following advantage:
1, between the face that the pushes against 6e of spring seat 6 and lining 5, spring 12 is set, between spring seat 6 and stationary seat 4, by driving pin 6c, strains simultaneously, can make lining 5 push against on stationary seat 4, by adjustment spring 12, can conveniently regulate the power of pushing against.
2, between horizontal part 5b and exterior edge face 6a, seal washer 7 is set, can makes the stress equalization between spring seat 6 and lining 5, can not wave.
3, between stationary seat 4 and lining 5, static sealing ring 3 is set and had both played seal action, play again the effect of buffering.
4, rotating seat 9 use fastening pieces are fastened on support 11, install and change simply, convenient, between rotating seat 9 and support 11, dynamic seal ring 10 are set, and have good sealing effect.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. the mechanical seal for dryer, mechanical seal is arranged on the main shaft that stretches out support, comprise rotating ring, stationary ring and stationary seat, stationary ring and rotating ring offset and surface of contact sealing, described stationary ring is arranged on a side of stationary seat, it is characterized in that, also comprise lining and rotating seat, described lining is that solid of rotation and cross section are " L " font, described lining comprises vertical component effect and horizontal part, described horizontal part is set on main shaft, opposite side and the vertical component effect of stationary seat offset, between stationary seat and lining, be provided with static sealing ring, on horizontal part, be arranged with the exterior edge face of the end protrusion spring seat of spring seat and horizontal part, between lining and the exterior edge face of spring seat, seal washer is installed, between spring seat and lining, be evenly equipped with some springs, on described spring seat, be fixed with some driving pins, described driving pin passes lining and spring seat is tightened on stationary seat, described rotating ring is arranged on rotating seat, described rotating seat is connected on support.
2. a kind of mechanical seal for dryer according to claim 1, it is characterized in that, described spring seat comprises the face of pushing against and exterior edge face, on face, offer several equally distributed counterbores pushing against, in described counterbore, spring is installed, the other end of spring pushes against to horizontal part, offers draw-in groove on exterior edge face, on horizontal part, offer annular groove, the two ends of described seal washer are resisted against respectively on draw-in groove and annular groove.
3. a kind of mechanical seal for dryer according to claim 1 and 2, is characterized in that, described spring is provided with six.
4. a kind of mechanical seal for dryer according to claim 1 and 2, it is characterized in that, described driving pin be connected on spring seat and axis parallel with main shaft, described stationary seat offers driving hole, the diameter of driving hole is greater than the diameter of driving pin, described driving pin is through stationary seat and be inserted with stop pin in end, and the length of stop pin is greater than the diameter of driving hole.
5. a kind of mechanical seal for dryer according to claim 4, is characterized in that, described driving pin has two and be symmetrically distributed on spring seat.
6. a kind of mechanical seal for dryer according to claim 1 and 2, is characterized in that, offers U groove on described lining, and described driving pin is connected on stationary seat through U groove.
7. a kind of mechanical seal for dryer according to claim 1 and 2, is characterized in that, between described rotating seat and support, dynamic seal ring is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280502.XU CN203868332U (en) | 2014-05-28 | 2014-05-28 | Mechanical seal for dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280502.XU CN203868332U (en) | 2014-05-28 | 2014-05-28 | Mechanical seal for dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868332U true CN203868332U (en) | 2014-10-08 |
Family
ID=51649287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280502.XU Expired - Fee Related CN203868332U (en) | 2014-05-28 | 2014-05-28 | Mechanical seal for dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868332U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526361A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing piece |
| CN105526354A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing device |
| CN105526360A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing mechanism |
| CN105526356A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing structure |
| CN113944758A (en) * | 2021-12-02 | 2022-01-18 | 河南理工大学 | Hierarchical linkage rotary feeding sealing device |
-
2014
- 2014-05-28 CN CN201420280502.XU patent/CN203868332U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526361A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing piece |
| CN105526354A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing device |
| CN105526360A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing mechanism |
| CN105526356A (en) * | 2015-11-09 | 2016-04-27 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing structure |
| CN105526356B (en) * | 2015-11-09 | 2018-05-15 | 宁波市鄞州飞矢机械密封件厂 | Mechanical seal structure |
| CN105526360B (en) * | 2015-11-09 | 2018-05-15 | 宁波市鄞州飞矢机械密封件厂 | Mechanical sealing mechanism |
| CN105526354B (en) * | 2015-11-09 | 2018-05-15 | 宁波市鄞州飞矢机械密封件厂 | Mechanically-sealing apparatus |
| CN113944758A (en) * | 2021-12-02 | 2022-01-18 | 河南理工大学 | Hierarchical linkage rotary feeding sealing device |
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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: 20141008 Termination date: 20200528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |