CN204140881U - Mechanical sealing element - Google Patents
Mechanical sealing element Download PDFInfo
- Publication number
- CN204140881U CN204140881U CN201420528131.2U CN201420528131U CN204140881U CN 204140881 U CN204140881 U CN 204140881U CN 201420528131 U CN201420528131 U CN 201420528131U CN 204140881 U CN204140881 U CN 204140881U
- Authority
- CN
- China
- Prior art keywords
- groove
- rotating seat
- driving pin
- mounting hole
- fixed
- 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
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- Mechanical Sealing (AREA)
Abstract
The utility model discloses a kind of mechanical sealing element, solve the troublesome problem of driving pin dismounting at present for fixing rotating seat and rotating shaft, its drip irrigation device comprises rotating shaft and the rotating seat be set in rotating shaft, described rotating seat is provided with mounting groove, mounting hole is provided with in described mounting groove, described rotating seat is also provided be fed through mounting hole and with the driving pin of mounting hole Spielpassung, described rotating shaft is provided with the fixed groove worn for driving pin, the corresponding mounting groove side of described rotating seat end face is provided with the fixed block for fixed conveyor pin, described fixed block is threaded with rotating seat, mechanical sealing element of the present utility model, being provided with fixture block by driving pin snaps in draw-in groove, and there is certain gap, again by the fixed block be threaded with rotating seat is selected into, draw-in groove pressure is held together, fixture block snaps in draw-in groove completely, thus reach fixing effect, and installation and removal are all very convenient.
Description
Technical field
The utility model relates to a kind of Sealing, and more particularly, it relates to a kind of mechanical sealing element.
Background technique
Mechanical seal refers to and under the effect of hydrodynamic pressure and compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal, keeps laminating by least one pair of end face perpendicular to spin axis and relative sliding and device that the anti-fluid that forms is leaked.The mechanical sealing element being convenient to install belongs to one of accurate, that structure is comparatively complicated machine foundation element, it is the critical component of the equipment such as various pump class, Reactive Synthesis still, turbocompressor, submersible motor, and generally adopt driving pin for fixing rotating seat and rotating shaft, driving pin and rotating shaft adopt interference fit, the dismounting of driving pin and rotating shaft is bothered, thus current used mechanical sealing element have certain room for improvement.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of dismounting driving pin mechanical sealing element easily.
For achieving the above object, the utility model provides following technological scheme: a kind of mechanical sealing element, comprise rotating shaft and the rotating seat be set in rotating shaft, described rotating seat is provided with mounting groove, mounting hole is provided with in described mounting groove, described rotating seat is also provided be fed through mounting hole and with the driving pin of mounting hole Spielpassung, described rotating shaft is provided with the fixed groove worn for driving pin, the corresponding mounting groove side of described rotating seat end face is provided with the fixed block for fixed conveyor pin, and described fixed block is threaded with rotating seat.
By adopting technique scheme, rotating seat is provided with mounting groove, the shape of mounting groove is elongated square, mounting hole is provided with in mounting groove, and the diameter of mounting hole is slightly larger than rectangular minor face, rotating seat is also provided be fed through mounting hole and with the driving pin of mounting hole Spielpassung, thus make driving pin be free to be pressed in mounting hole, rotating shaft is provided with the fixed groove worn for driving pin, and the shape size of driving pin and fixed groove is suitable, and the sectional shape of fixed groove and driving pin is circle, driving pin is made to snap in fixed groove completely, and there will not be the phenomenon of rocking, greatly improve the stability of structure, the corresponding mounting groove side of rotating seat end face is provided with the fixed block for fixed conveyor pin, fixed block is threaded with rotating seat, when needs driving pin loads, corresponding for driving pin mounting hole is pressed into, because driving pin and mounting hole are Spielpassung, so driving pin is free to be pressed into mounting hole, without any obstruction, until driving pin slips in fixed groove, mutually conflict bottom driving pin and fixed groove, fixed block screws in rotating seat, mounting groove is squeezed generation deformation, make mounting hole generation deformation simultaneously, and then driving pin is completely fixed in mounting hole, reach the fixing effect of driving pin, when mechanical seal changed by needs, driving pin is needed to disassemble, fixed block is only needed to screw out rotating seat, the power that driving pin is extruded disappears, thus driving pin can freely be taken out.
The utility model is set to further: described driving pin is provided with some equally distributed fixture blocks, is provided with the draw-in groove snapped in for fixture block in described mounting hole.
By adopting technique scheme, driving pin is provided with some equally distributed fixture blocks, the draw-in groove snapped in for fixture block is provided with in mounting hole, the shape size of fixture block and draw-in groove is all suitable, and the sectional shape of fixture block and draw-in groove is trapezoidal, make fixture block to snap in draw-in groove completely, there will not be fixture block cannot snap in the situation of draw-in groove, greatly improve the stability of structure.
The utility model is set to further: described fixture block is arranged ringwise, and on described fixture block, the opposite side of corresponding rotating shaft is provided with limited step, and described limited step is conflicted with draw-in groove and is connected.
By adopting technique scheme, fixture block is arranged ringwise, fixture block is made to snap in process, avoid in fixture block position and mounting groove instead of be positioned at the situation of draw-in groove, fixture block on driving pin is pressed in mounting hole in any direction all can be snapped in draw-in groove, greatly improve the stability of structure, on fixture block, the opposite side of corresponding rotating shaft is provided with limited step, after fixed block is screwed in, mounting groove is made to be extruded generation deformation, make mounting hole be extruded simultaneously, limited step is conflicted with draw-in groove be connected, thus fixture block is snapped in mounting hole completely, there will not be the phenomenon slipped into, make structure more stable.
The utility model is set to further: the corresponding fixed groove opposite side of described driving pin is provided with sealing block, and described sealing block is conflicted with mounting groove and is connected.
By adopting technique scheme, the corresponding fixed groove opposite side of driving pin is provided with sealing block, the vertical plane of mounting groove is positioned on sealing block, after making that driving pin is pressed into mounting hole completely, sealing block and mounting groove are conflicted mutually, and without any gap, make rotating seat to have good sealing.
The utility model is set to further: be provided with seal ring between described fixed block and rotating seat.
By adopting technique scheme, be provided with seal ring between fixed block and rotating seat, make fixed block after screw-in rotating seat, without any gap between fixed block and rotating seat, make that there is between fixed block and rotating seat good sealing, improve the sealability of total.
The utility model has following advantage: be provided with fixture block by driving pin and snap in draw-in groove, and there is certain gap, again by the fixed block be threaded with rotating seat is selected into, draw-in groove pressure is held together, fixture block snaps in draw-in groove completely, thus reach fixing effect, and installation and removal are all very convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial sectional view of the present utility model;
Fig. 3 is the enlarged diagram in the A of the utility model shown in Fig. 2 portion;
Fig. 4 is the structural representation of rotating seat of the present utility model.
In figure: 1, rotating shaft; 2, rotating seat; 3, mounting groove; 4, mounting hole; 5, driving pin; 6, fixed groove; 7, fixed block; 8, fixture block; 9, draw-in groove; 10, limited step; 11, sealing block; 12, seal ring.
Embodiment
Shown in Fig. 4, embodiment is described further.
A kind of mechanical sealing element disclosed in the utility model, comprise rotating shaft 1 and the rotating seat 2 be set in rotating shaft 1, described rotating seat 2 is provided with mounting groove 3, mounting hole 4 is provided with in described mounting groove 3, described rotating seat 2 is also provided be fed through mounting hole 4 and with the driving pin 5 of mounting hole 4 Spielpassung, described driving pin 5 is made up of elastic material, described rotating shaft 1 is provided with the fixed groove 6 worn for driving pin 5, described driving pin 5 is provided with some equally distributed fixture blocks 8, the draw-in groove 9 snapped in for fixture block 8 is provided with in described mounting hole 4, described fixture block 8 is arranged ringwise, on described fixture block 8, the opposite side of corresponding rotating shaft 1 is provided with limited step 10, described limited step 10 is conflicted with draw-in groove 9 and is connected, corresponding mounting groove 3 side of described rotating seat 2 end face is provided with the fixed block 7 for fixed conveyor pin 5, described fixed block 7 is threaded with rotating seat 2, described driving pin 5 corresponding fixed groove 6 opposite side is provided with sealing block 11, described sealing block 11 is conflicted with mounting groove 3 and is connected, seal ring 12 is provided with between described fixed block 7 and rotating seat 2.
Rotating seat 2 is provided with mounting groove 3, the shape of mounting groove 3 is elongated square, mounting hole 4 is provided with in mounting groove 3, and the diameter of mounting hole 4 is slightly larger than rectangular minor face, rotating seat 2 is also provided be fed through mounting hole 4 and with the driving pin 5 of mounting hole 4 Spielpassung, thus make driving pin 5 be free to be pressed in mounting hole 4, rotating shaft 1 is provided with the fixed groove 6 worn for driving pin 5, and driving pin 5 matches (being interference fit or transition fit) with the shape size of fixed groove 6, and fixed groove 6 is circle with the sectional shape of driving pin 5, driving pin 5 can be snapped in fixed groove 6 completely, and there will not be the phenomenon of rocking, driving pin 5 is provided with some equally distributed fixture blocks 8, the draw-in groove 9 snapped in for fixture block 8 is provided with in mounting hole 4, fixture block 8 is all suitable with the shape size of draw-in groove 9, and fixture block 8 is trapezoidal with the sectional shape of draw-in groove 9, fixture block 8 can be snapped in draw-in groove 9 completely, there will not be fixture block 8 cannot snap in the situation of draw-in groove 9, fixture block 8 is arranged ringwise, fixture block 8 is made to snap in process, avoid fixture block 8 cannot snap in draw-in groove 9, fixture block 8 on driving pin 5 is pressed in mounting hole 4 in any direction all can be snapped in draw-in groove 9, on fixture block 8, the opposite side of corresponding rotating shaft 1 is provided with limited step 10, after fixed block 7 is screwed in, mounting groove 3 is made to be extruded generation deformation, make mounting hole 4 be extruded simultaneously, limited step 10 is conflicted with draw-in groove 9 be connected, thus make fixture block 8 snap in mounting hole 4 completely, there will not be the phenomenon slipped into, corresponding mounting groove 3 side of rotating seat 2 end face is provided with the fixed block 7 for fixed conveyor pin 5, fixed block 7 is preferably bolt, rotating seat 2 is provided with the female tapped hole of tool, fixed block 7 is provided with the outside thread suitable with internal thread, fixed block 7 is threaded with rotating seat 2, driving pin 5 corresponding fixed groove 6 opposite side is provided with sealing block 11, sealing block 11 is made up of rubber, after making that driving pin 5 is pressed into mounting hole 4 completely, sealing block 11 and mounting groove 3 are conflicted mutually, and without any gap, make that rotating seat 2 has good sealing, seal ring 12 is provided with between fixed block 7 and rotating seat 2, make fixed block 7 after screw-in rotating seat 2, without any gap between fixed block 7 and rotating seat 2, make, between fixed block 7 and rotating seat 2, there is good sealing.
When needs driving pin 5 loads, corresponding for driving pin 5 mounting hole 4 is pressed into, because driving pin 5 and mounting hole 4 are Spielpassung, so driving pin 5 is free to be pressed into mounting hole 4, without any obstruction, until driving pin 5 slips in fixed groove 6, the limited step 10 that fixture block 8 is provided with is conflicted with draw-in groove 9 and is connected, thus make fixture block 8 snap in draw-in groove 9 completely, until mutually conflict bottom driving pin 5 and fixed groove 6, fixed block 7 screws in rotating seat 2, and then driving pin 5 is completely fixed in mounting hole 4, reach effect fixing for driving pin 5, when mechanical seal changed by needs, driving pin 5 is needed to disassemble, fixed block 7 is only needed to screw out rotating seat 2, thus driving pin 5 can freely be taken out.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a mechanical sealing element, comprise rotating shaft and the rotating seat be set in rotating shaft, it is characterized in that: described rotating seat is provided with mounting groove, mounting hole is provided with in described mounting groove, described rotating seat is also provided be fed through mounting hole and with the driving pin of mounting hole Spielpassung, described rotating shaft is provided with the fixed groove worn for driving pin, and the corresponding mounting groove side of described rotating seat end face is provided with the fixed block for fixed conveyor pin, and described fixed block is threaded with rotating seat.
2. mechanical sealing element according to claim 1, is characterized in that: described driving pin is provided with some equally distributed fixture blocks, is provided with the draw-in groove snapped in for fixture block in described mounting hole.
3. mechanical sealing element according to claim 2, is characterized in that: described fixture block is arranged ringwise, and on described fixture block, the opposite side of corresponding rotating shaft is provided with limited step, and described limited step is conflicted with draw-in groove and is connected.
4. mechanical sealing element according to claim 3, is characterized in that: the corresponding fixed groove opposite side of described driving pin is provided with sealing block, and described sealing block is conflicted with mounting groove and is connected.
5. mechanical sealing element according to claim 1, is characterized in that: be provided with seal ring between described fixed block and rotating seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528131.2U CN204140881U (en) | 2014-09-15 | 2014-09-15 | Mechanical sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528131.2U CN204140881U (en) | 2014-09-15 | 2014-09-15 | Mechanical sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140881U true CN204140881U (en) | 2015-02-04 |
Family
ID=52417566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420528131.2U Expired - Fee Related CN204140881U (en) | 2014-09-15 | 2014-09-15 | Mechanical sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140881U (en) |
-
2014
- 2014-09-15 CN CN201420528131.2U patent/CN204140881U/en not_active Expired - Fee Related
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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: 20150204 Termination date: 20160915 |