CN204591764U - A kind of seal lubrication holding device of pump - Google Patents
A kind of seal lubrication holding device of pump Download PDFInfo
- Publication number
- CN204591764U CN204591764U CN201520195931.1U CN201520195931U CN204591764U CN 204591764 U CN204591764 U CN 204591764U CN 201520195931 U CN201520195931 U CN 201520195931U CN 204591764 U CN204591764 U CN 204591764U
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- chamber wall
- main shaft
- gear oil
- holding device
- internal chamber
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Abstract
The utility model provides a kind of seal lubrication holding device of pump, belongs to field of mechanical technique.The main shaft and the sealing place lubrication effect that it solve existing pump are poor, the problem that working life is short.The seal lubrication holding device of this pump, pump comprises main shaft and oilcan, there is in oilcan airtight oil pocket, main shaft through oilcan, and seals between main shaft and oilcan, and the chamber wall of its oil pocket is cone table shape, near normal on the chamber wall that seal lubrication holding device comprises oil pocket and be fixed with a slice gear oil clot in the form of sheets, gear oil clot and oilcan are integral structures, and gear oil clot near the side of main shaft and main axis parallel, and has gap between gear oil clot and main shaft.The seal lubrication holding device of this pump improves the lubrication effect of lubricant oil to main shaft and sealing place, improves working life.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of seal lubrication holding device of pump.
Background technique
Pump is a kind of pressure in order to increase liquid or gas, makes it the machinery of transport flow, and being a kind of device being used for moving liquid, gas or specialized fluids medium, is namely the machinery of convection cell work done.
The kind of pump is a lot, existing pump, generally comprise the pump housing, motor output shaft and pump cover, the end of pump housing one end is provided with bearing cap, one end and the bearing cap homogeneous phase of pump cover and the pump housing are connected, the cavity that one can fill lubricant oil is formed between pump cover and bearing cap, the output shaft of motor is located in the pump housing, and motor output shaft is through pump cover and bearing cap, the end of motor output shaft is connected with impeller, between motor output shaft and pump cover, mechanical seal is set, between motor output shaft and bearing cap, also mechanical seal is set, lubricant oil in cavity lubricates mechanical seal and motor output shaft.
During work, motor output shaft rotates, motor output shaft rotarily drives lubricant oil and does centrifugal motion, lubricant movement can be done work, there is the problem heating up and expand, therefore the lubricant oil loaded in cavity can not be full of whole cavity, namely there is certain space in cavity, motor output shaft High Rotation Speed drives lubricant oil to do centrifugal motion, cause lubricant oil no longer or less and motor output shaft, mechanical seal contacts, namely lubricant oil is to motor output shaft, the weak effect of lubrication is played in mechanical seal, in use for some time, mechanical seal can be worn, cause the gap of mechanical seal no longer between sealed electric-motor output shaft and pump cover, and the gap between motor output shaft and bearing cap, oil leakage, pump is made to occur various fault.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of seal lubrication holding device of pump, solves how to improve the lubrication effect of lubricant oil to main shaft etc., improves working life.
The purpose of this utility model realizes by following technical proposal: a kind of seal lubrication holding device of pump, pump comprises main shaft and oilcan, in described oilcan, there is airtight oil pocket, described main shaft is through oilcan, and seal between main shaft and oilcan, it is characterized in that, the chamber wall of described oil pocket is cone table shape, near normal on the chamber wall that described seal lubrication holding device comprises oil pocket and be fixed with a slice gear oil clot in the form of sheets, described gear oil clot and oilcan are integral structures, described gear oil clot is near the side of main shaft and main axis parallel, and between gear oil clot and main shaft, there is gap.
In oil pocket, lubricant oil is housed, whole oil pocket do not filled by lubricant oil, namely in oil pocket, there is space, during pump work, main shaft drives lubricant oil to rotate around the spindle, lubricant oil produces centrifugal force when rotating, the setting of gear oil clot has upset the flowing rhythm of lubricant oil, and gear oil clot in the form of sheets, quantity is a slice, namely when gear oil clot occupies oil pocket less space, there is larger gear pasta to amass, gear upsets the effective of lubricating oil flow along sheet, can splash when making lubricant oil cross grease baffle when rotated, thus make lubricating oil flow to sealing place of main shaft and main shaft and oilcan, main shaft and sealing place is made to obtain better lubrication, high lubricating effect, long service life.
In the seal lubrication holding device of above-mentioned a kind of pump, described chamber wall comprises internal chamber wall, outer chamber wall and chamber, side wall, the diameter of described internal chamber wall is less than the diameter of outer chamber wall, and described gear oil clot is connected mutually with internal chamber wall or described gear oil clot is connected mutually with chamber, the side wall near internal chamber wall.Main shaft drives lubricant oil to rotate around the spindle, the speed more rotated near the lubricant oil of main shaft is faster, oil pocket is cone table shape, and the diameter of internal chamber wall is less than the diameter of outer chamber wall, namely the lubricant oil at internal chamber wall place is closer to main shaft, can easierly stick in main shaft and sealing place after being interrupted relative to the lubricant oil at outer chamber wall place, better lubrication effect can be played, improve working life.
In the seal lubrication holding device of above-mentioned a kind of pump, described chamber wall comprises internal chamber wall, outer chamber wall and chamber, side wall, and the diameter of described internal chamber wall is less than the diameter of outer chamber wall, and described gear oil clot and internal chamber wall and chamber, side wall homogeneous phase are connected.Main shaft drives lubricant oil to rotate around the spindle, the speed more rotated near the lubricant oil of main shaft is faster, oil pocket is cone table shape, and the diameter of internal chamber wall is less than the diameter of outer chamber wall, namely the lubricant oil at internal chamber wall place is closer to main shaft, can easierly stick in main shaft and sealing place after being interrupted relative to the lubricant oil at outer chamber wall place, better lubrication effect can be played, improve working life, and gear oil clot and internal chamber wall and chamber, side wall homogeneous phase are connected, namely keep off oil clot blocks lubricant oil completely flowing at this place, play the effect better upsetting lubricating oil flow.
In the seal lubrication holding device of above-mentioned a kind of pump, the radial direction of described gear oil clot near the side of internal chamber wall along internal chamber wall is arranged, and described gear oil clot is along the rectangular trapezoid shaped in longitudinal section of main shaft axis.This kind of structure makes gear oil clot play the gear oil effect of maximum area, upsets the effective of lubricating oil flow, oil lubrication main shaft and sealing place effective, improves working life.
In the seal lubrication holding device of above-mentioned a kind of pump, vertically described gear oil clot is positioned at the top of main shaft.Fluid is toward lower stream, and after gear oil clot encountered by lubricant oil, lubricant oil directly drops on main shaft, improves the contact of lubricant oil and main shaft, high lubricating effect, improves working life.
In the seal lubrication holding device of above-mentioned a kind of pump, angle between described gear oil clot and internal chamber wall is between 70-90 degree, described gear oil clot is that internal chamber wall arrives 1/5 to 1/2 of the spacing of outer chamber wall along the length of main shaft axis, the distance between described gear oil clot and main shaft be internal chamber wall diameter 1/9 to 1/3 between.The setting of gear oil clot this kind of angle, position and size, makes gear oil clot play better to upset the rhythm of oil, makes lubricant oil can better lubricating spindle and sealing place, improves the lubrication effect of lubricant oil, improves working life.
In the seal lubrication holding device of above-mentioned a kind of pump, described main shaft is successively through the center of internal chamber wall, outer chamber wall, and main shaft and internal chamber wall, outer chamber wall are all perpendicular.Reasonable in design.
In the seal lubrication holding device of above-mentioned a kind of pump, sealed by mechanical seal one, mechanical seal two between described main shaft and oilcan, described spindle jacket has spring seat one, spring seat two and spring, described spring seat one is resisted against in mechanical seal one, described spring seat two is resisted against in mechanical seal two, one end of described spring is resisted against on spring seat one, and the other end is resisted against on spring seat two, and described spring has the trend of elongation all the time.Spring provides elastic force, and the existence of elastic force makes mechanical seal one and mechanical seal two be positioned at the position of setting all the time, can not depart from desired location, mechanical seal one and mechanical seal two good sealing effect.
Compared with prior art, there is in the bearing cap of the pump that the utility model provides the oil pocket in cone table shape, the internal chamber wall place that oil pocket diameter is less arranges a gear oil clot in the form of sheets, gear oil clot occupies the less space of oil pocket, and the long-pending maximization of the gear pasta of gear oil clot, gear oil clot is played and upsets the effective of lubricating oil flow rhythm, can more flow to after lubricant oil is upset in main shaft, mechanical seal one and mechanical seal two, high lubricating effect, the long service life of mechanical seal one, mechanical seal two.
Accompanying drawing explanation
Fig. 1 is the overall structure sectional view of the seal lubrication holding device of this pump.
Fig. 2 is the overall structure schematic diagram of the bearing cap of this pump.
In figure, 1, main shaft; 2, oilcan; 3, oil pocket; 31, internal chamber wall; 32, outer chamber wall; 33, chamber, side wall; 4, oil clot is kept off; 5, gap; 6, mechanical seal one; 7, mechanical seal two; 8, spring seat one; 9, spring seat two; 10, spring.
Embodiment
Be below specific embodiment of the utility model and 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, pump comprises main shaft 1 and oilcan 2, there is in oilcan 2 airtight oil pocket 3, the chamber wall of oil pocket 3 is cone table shape, chamber wall comprises outer chamber wall 32 and the internal chamber wall 31 at two ends, and chamber, the side wall 33 of side, the diameter of internal chamber wall 31 is less than the diameter of outer chamber wall 32, internal chamber wall 31 is closer to the motor be connected with main shaft 1, main shaft 1 passes the center of outer chamber wall 32 and internal chamber wall 31 successively, and main shaft 1 and outer chamber wall 32 and internal chamber wall 31 all perpendicular, by mechanical seal 1 between main shaft 1 and oilcan 2, mechanical seal 27 seals, main shaft 1 overcoat has spring seat 1, spring seat 29 and spring 10, spring seat 1 is resisted against in mechanical seal 1, spring seat 29 is resisted against in mechanical seal 27, one end of spring 10 is resisted against on spring seat 1, the other end is resisted against on spring seat 29, spring 10 has the trend of elongation all the time, namely spring 10 makes mechanical seal 1 and mechanical seal 27 be in place.
As shown in Figure 1 and Figure 2, seal lubrication holding device comprises gear oil clot 4.Oilcan 2 is integral structures with gear oil clot 4.
In the present embodiment, gear oil clot 4 is connected with internal chamber wall 31 and chamber, side wall 33 homogeneous phase, and in actual production, gear oil clot 4 can only be connected with internal chamber wall 31 mutually, or gear oil clot 4 is only connected mutually with chamber, the side wall 33 near internal chamber wall 31.In the present embodiment, the angle between gear oil clot 4 and internal chamber wall 31 is 89 degree, near normal, and in actual production, the angle between gear oil clot 4 and internal chamber wall 31 can be 85 degree, also can be 75 degree.Gear oil clot 4 is arranged along the radial direction of internal chamber wall 31, and gear oil clot 4 is parallel with main shaft 1 near the side of main shaft 1, namely keeps off the cross section rectangular trapezoid shaped of oil clot 4 along main shaft 1 axis, vertically keeps off the top that oil clot 4 is positioned at main shaft 1.Have gap 5 between gear oil clot 4 and main shaft 1, in the present embodiment, the distance in this gap 5 is internal chamber wall 31 diameter 1/6, and in actual production, the distance in this gap 5 is internal chamber wall 31 diameter 1/9 or 1/3.In the present embodiment, gear oil clot 4 is that oil pocket 3 outer chamber wall 32 arrives 1/3 of the spacing of internal chamber wall 31 along the length of main shaft 1 axis, and in actual production, this length also can be that oil pocket 3 outer chamber wall 32 arrives 1/5 or 1/2 of the spacing of internal chamber wall 31.
When main shaft 1 rotates, main shaft 1 drives lubricant oil to rotate around main shaft 1, gear oil clot 4 is arranged on internal chamber wall 31, blocks the flowing of lubricant oil, and lubricating oil flow is diminished to flow cross section during gear oil clot 4 place, lubricant oil passes from the gap 5 between gear oil clot 4 and main shaft 1, namely upset the flowing rhythm of lubricant oil, reduced the centrifugal force of lubricant oil, make lubricant oil can more flow in main shaft 1, mechanical seal 1 and mechanical seal 27, improve lubrication effect, improve working life.
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 amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as main shaft 1, oilcan 2, oil pocket 3, outer chamber wall 32, internal chamber wall 31, chamber, side wall 33, gear oil clot 4, gap 5, mechanical seal 1, mechanical seal 27, spring seat 1, spring seat 29, spring 10 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (8)
1. the seal lubrication holding device of a pump, pump comprises main shaft (1) and oilcan (2), there is in described oilcan (2) airtight oil pocket (3), described main shaft (1) is through oilcan (2), and seal between main shaft (1) and oilcan (2), it is characterized in that, the chamber wall of described oil pocket (3) is cone table shape, near normal on the chamber wall that described seal lubrication holding device comprises oil pocket (3) and be fixed with a slice gear oil clot (4) in the form of sheets, described gear oil clot (4) and oilcan (2) are integral structures, described gear oil clot (4) is parallel with main shaft (1) near the side of main shaft (1), and between gear oil clot (4) and main shaft (1), there is gap (5).
2. the seal lubrication holding device of a kind of pump according to claim 1, it is characterized in that, described chamber wall comprises internal chamber wall (31), outer chamber wall (32) and chamber, side wall (33), the diameter of described internal chamber wall (31) is less than the diameter of outer chamber wall (32), and described gear oil clot (4) and internal chamber wall (31) are connected mutually or described gear oil clot (4) is connected mutually with the chamber, side wall (33) near internal chamber wall (31).
3. the seal lubrication holding device of a kind of pump according to claim 1, it is characterized in that, described chamber wall comprises internal chamber wall (31), outer chamber wall (32) and chamber, side wall (33), the diameter of described internal chamber wall (31) is less than the diameter of outer chamber wall (32), and described gear oil clot (4) is connected with internal chamber wall (31) and chamber, side wall (33) homogeneous phase.
4. the seal lubrication holding device of a kind of pump according to Claims 2 or 3, it is characterized in that, the radial direction of described gear oil clot (4) near the side of internal chamber wall (31) along internal chamber wall (31) is arranged, and described gear oil clot (4) is along the rectangular trapezoid shaped in longitudinal section of main shaft (1) axis.
5. the seal lubrication holding device of a kind of pump according to claim 1 or 2 or 3, is characterized in that, vertically described gear oil clot (4) is positioned at the top of main shaft (1).
6. the seal lubrication holding device of a kind of pump according to Claims 2 or 3, it is characterized in that, angle between described gear oil clot (4) and internal chamber wall (31) is between 70-90 degree, described gear oil clot (4) along the length that main shaft (1) is axial be internal chamber wall (31) to outer chamber wall (32) spacing 1/5 to 1/2, the distance between described gear oil clot (4) and main shaft (1) be internal chamber wall (31) diameter 1/9 to 1/3 between.
7. the seal lubrication holding device of a kind of pump according to Claims 2 or 3, it is characterized in that, described main shaft (1) is successively through the center of internal chamber wall (31), outer chamber wall (32), and main shaft (1) and internal chamber wall (31), outer chamber wall (32) are all perpendicular.
8. the seal lubrication holding device of a kind of pump according to claim 1 or 2 or 3, it is characterized in that, by mechanical seal one (6) between described main shaft (1) and oilcan (2), mechanical seal two (7) seals, described main shaft (1) overcoat has spring seat one (8), spring seat two (9) and spring (10), described spring seat one (8) is resisted against in mechanical seal one (6), described spring seat two (9) is resisted against in mechanical seal two (7), one end of described spring (10) is resisted against on spring seat one (8), the other end is resisted against on spring seat two (9), described spring (10) has the trend of elongation all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195931.1U CN204591764U (en) | 2015-04-02 | 2015-04-02 | A kind of seal lubrication holding device of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195931.1U CN204591764U (en) | 2015-04-02 | 2015-04-02 | A kind of seal lubrication holding device of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591764U true CN204591764U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520195931.1U Expired - Fee Related CN204591764U (en) | 2015-04-02 | 2015-04-02 | A kind of seal lubrication holding device of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404325A (en) * | 2023-12-13 | 2024-01-16 | 湖南凯利特泵业有限公司 | Centrifugal pump equipment and mechanical seal protection shell |
-
2015
- 2015-04-02 CN CN201520195931.1U patent/CN204591764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404325A (en) * | 2023-12-13 | 2024-01-16 | 湖南凯利特泵业有限公司 | Centrifugal pump equipment and mechanical seal protection shell |
| CN117404325B (en) * | 2023-12-13 | 2024-03-01 | 湖南凯利特泵业有限公司 | Centrifugal pump equipment and mechanical seal protection shell |
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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: 20150826 |