CN210623184U - Oil cooling lubricating structure of submersible pump mechanical seal - Google Patents
Oil cooling lubricating structure of submersible pump mechanical seal Download PDFInfo
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- CN210623184U CN210623184U CN201921537882.XU CN201921537882U CN210623184U CN 210623184 U CN210623184 U CN 210623184U CN 201921537882 U CN201921537882 U CN 201921537882U CN 210623184 U CN210623184 U CN 210623184U
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- oil
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Abstract
The utility model discloses a immersible pump mechanical seal's cold lubricating structure of oil, including the pump case, install the motor in the pump case, install the motor protecgulum at the motor front end, with motor protecgulum sealing connection's oil blanket and install the mechanical seal structure between motor protecgulum and oil blanket, the middle part of motor protecgulum is provided with the sump, fluid has been held in the sump, be provided with mechanical seal structure between motor protecgulum and the oil blanket, mechanical seal structure soaks in the fluid of sump and drives the rotatory lubrication of fluid in the sump under the rotation of pivot. The utility model discloses increase the skeleton oil blanket on mechanical seal structure, including last skeleton oil blanket and lower skeleton oil blanket, go up skeleton oil blanket interference and install the fluid that is used for avoiding in the oil bunker on the lateral wall of oil bunker and leak to the motor in, lower skeleton oil blanket interference is installed and is being had the effect of dustproof sand control on the oil blanket, and the skeleton oil blanket forms the difference in height in the oil bunker moreover and makes infiltration mechanical seal rotating ring and quiet ring that fluid can be better, and lubricated effect is showing and is improving.
Description
Technical Field
The utility model relates to a immersible pump technical field especially relates to immersible pump mechanical seal's oil-cooling lubricating structure.
Background
The mechanical seal medium of immersible pump is water in the existing market, and water gets into to carry out cooling to mechanical seal between axle and the mechanical seal through the pump body, and after long-term the use, the incrustation scale can be produced to the impurity of aquatic between mechanical seal's rotating ring and quiet ring, leads to mechanical seal to be damaged, leads to the fluid in the oil sump to reveal to can not play this some lubrication and sealed effect, life reduces.
Therefore in order to overcome the defects, the utility model provides a immersible pump mechanical seal's oil-cooling lubricating structure increases the skeleton oil blanket on mechanical seal structure, can be with the complete saving of fluid in the oil depot, and sealed and lubricated effect improves greatly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a immersible pump mechanical seal's oil-cooling lubricating structure.
The utility model discloses a realize through following technical scheme:
immersible pump mechanical seal's cold lubricating structure of oil, including the pump case, install the motor in the pump case, install the motor protecgulum at the motor front end, with motor protecgulum sealing connection's oil cap and install the mechanical seal structure between motor protecgulum and the oil cap, wherein:
the pump shell is of a cylindrical structure with an opening at one end, a rotating shaft and a motor are installed in the cylindrical pump shell, the two ends of the rotating shaft are connected with the pump shell through bearings, one end of the rotating shaft extends out of the pump shell through the opening end of the pump shell to be connected with an impeller, a motor front cover is installed at the front end of the motor at the opening end of the pump shell, and an oil sealing cover is installed on the motor front cover in a sealing mode;
the motor is accommodated in the pump shell, a motor rotor contained in the motor is arranged on the rotating shaft and driven by the rotating shaft to rotate, and a motor stator is arranged on the motor rotor;
the middle part of motor protecgulum is provided with the oil sump, has contained fluid in the oil sump, be provided with mechanical seal structure between motor protecgulum and the oil-sealing cover, mechanical seal structure soaks in the fluid in the oil sump and drives the rotatory lubrication of fluid in the oil sump under the rotation of pivot.
Further, mechanical seal structure includes mechanical seal rotating ring, mechanical seal quiet ring and skeleton oil blanket, the mechanical seal rotating ring is installed in the pivot and is rotated along with the pivot, the quiet ring of mechanical seal pastes and leans on the setting on the oil cap.
Furthermore, the mechanical seal rotating ring is radially fixed on the rotating shaft, the mechanical seal rotating ring is axially attached to the rotating shaft and fixed through the oil seal cover, a stepped slotted hole is formed in the end portion of the oil seal cover, static ring rubber is installed at the top of the slotted hole, and the mechanical seal static ring is installed in the slotted hole of the oil seal cover through the static ring rubber.
Further, the skeleton oil blanket includes skeleton oil blanket and lower skeleton oil blanket, go up the skeleton oil blanket and form the difference in height with lower skeleton oil blanket in the oil sump.
Further, the oil sump is a groove formed by a flange in the middle of the front cover of the motor, the upper framework oil seal is arranged above the mechanical seal moving ring and is arranged on the outer side wall of the oil sump in an interference mode, and the lower framework oil seal is arranged below the mechanical seal static ring and is arranged at the bottom of a groove hole of the oil seal cover in an interference mode.
Furthermore, the distance between the upper framework oil seal and the mechanical seal moving ring is 0.2-0.5 mm.
Furthermore, the pump shell comprises a pump shell I and a pump shell II, wherein the pump shell I and the pump shell II are connected end to end through self-tapping screws to form an integrated structure.
Furthermore, the pump shell I and the pump shell II are both hollow cylindrical structures, and a bulge I and a bulge II with screw holes are integrally formed on the outer edge end faces of the openings at one ends of the pump shell I and the pump shell II respectively.
The utility model has the advantages that: the utility model discloses increase the skeleton oil blanket on mechanical seal structure, including last skeleton oil blanket and lower skeleton oil blanket, go up skeleton oil blanket interference and install the fluid that is used for avoiding in the oil bunker on the lateral wall of oil bunker and leak to the motor in, lower skeleton oil blanket interference is installed and is being had the effect of dustproof sand control on the oil blanket, and the skeleton oil blanket forms the difference in height in the oil bunker moreover and makes infiltration mechanical seal rotating ring and quiet ring that fluid can be better, and lubricated effect is showing and is improving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is a schematic cross-sectional view taken along line a-a of fig. 4.
Fig. 6 is a partially enlarged view of the portion a in fig. 5.
Fig. 7 is a partially enlarged view of the upper portion B of fig. 6.
Fig. 8 is the structure schematic diagram of the utility model discloses the motor protecgulum of skeleton oil blanket is installed to the interference.
Fig. 9 is a schematic structural view of the oil sealing cover of the interference mounting lower framework oil seal of the present invention.
Wherein:
1. a pump housing;
11. a pump housing I;
111. bulge I
12. A pump shell II;
121. a bulge II;
13. a screw hole;
2. a motor;
21. a motor rotor;
22. a motor stator;
3. a motor front cover;
31. an oil bin;
32. a flange;
4. sealing an oil cover;
41. a slot;
5. a mechanical seal structure;
51. a mechanical seal movable ring;
52. a mechanical seal stationary ring;
53. framework oil seal;
531. an upper framework oil seal;
532. a lower framework oil seal;
6. a rotating shaft;
7. a bearing;
8. an impeller;
9. self-tapping screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The oil-cooling lubrication structure of the mechanical seal of the submersible pump shown in fig. 1 to 9 includes a pump case 1, a motor 2 installed in the pump case 1, a motor front cover 3 installed at the front end of the motor 2, an oil seal cover 4 hermetically connected with the motor front cover 3, and a mechanical seal structure 5 installed between the motor front cover 3 and the oil seal cover 4.
In this embodiment, the pump case 1 is a cylindrical structure with an opening at one end, the rotating shaft 6 and the motor 2 are installed in the cylindrical pump case 1, two ends of the rotating shaft 6 are both connected with the pump case 1 through the bearing 7, one end of the rotating shaft 6 extends out of the pump case 1 through the opening end of the pump case 1 to be connected with the impeller 8, the motor front cover 3 is installed at the front end of the motor 2 at the opening end of the pump case 1, and the oil sealing cover 4 is installed on the motor front cover 3 in a sealing manner;
more specifically, the pump shell 1 comprises a pump shell I11 and a pump shell II 12, the pump shell I11 and the pump shell II 12 are connected end to end through self-tapping screws 9 to form an integrated structure, wherein the pump shell I11 and the pump shell II 12 are both hollow cylindrical structures, and a bulge I111 and a bulge II 121 with screw holes 13 are respectively formed in the outer edge end faces of the pump shell I11 and the pump shell II 12 with one ends opened integrally;
in addition, the structure of the pump shell I11 is that one end is open, and the other end is closed and is provided with the wire outlet hole of motor and float, and the structure of pump shell II 12 is that both ends are open, and screw hole 13 on I111 of pump shell and the protruding II 121 of pump shell I11 and the protruding II 12 of pump shell meet end to run through with self-tapping screw 9 and pass through screw hole 13 on I11 of pump shell and the pump shell II 12 and lock through nut 10 can.
In this embodiment, the motor 2 is accommodated in the pump housing 1, the motor rotor 21 included in the motor 2 is installed on the rotating shaft 6 and is driven by the rotating shaft 6 to rotate, the motor stator 22 is installed on the motor rotor 21, the motor front cover 3 is installed at the front end of the motor 2 in the pump housing 1, the oil sump 31 is arranged in the middle of the motor front cover 3, and oil is accommodated in the oil sump 31;
more specifically, as shown in fig. 8, the oil sump 31 is a groove formed by a flange 32 at the middle of the front cover 3 of the motor, and oil is contained in the oil sump 31 and sealed by the oil sealing cover 4.
In this embodiment, a mechanical seal structure 5 is arranged between the motor front cover 3 and the oil seal cover 4, the mechanical seal structure 5 is soaked in oil in the oil bin 31 and drives the oil in the oil bin 31 to rotate for lubrication under the rotation of the rotating shaft 6, the submersible pump drives the motor rotor 21 and the mechanical seal dynamic ring 51 to rotate when in operation, so as to drive the oil in the oil bin 31 to rotate together, the oil in the oil bin 31 is soaked between the mechanical seal dynamic ring 51 and the mechanical seal static ring 52, so as to lubricate a friction end face, and the oil in the oil bin 31 can also play a role of cooling, so that the performance of mechanical seal is improved, and the service life of the mechanical seal structure is prolonged;
more specifically, the mechanical seal structure 5 comprises a mechanical seal moving ring 51, a mechanical seal static ring 52 and a framework oil seal 53, the mechanical seal moving ring 51 is installed on the rotating shaft 6 and rotates along with the rotating shaft 6, and the mechanical seal static ring 52 is arranged on the oil seal cover 4 in an abutting mode;
on one hand, the mechanical seal rotating ring 51 is radially fixed on the rotating shaft 6, the mechanical seal rotating ring 51 is axially attached to the rotating shaft 6 and fixed through the oil seal cover 4, wherein the structure of the oil seal cover 4 is shown in fig. 9, a step-shaped slot hole 41 is formed in the end part of the oil seal cover 4, static ring rubber is installed at the top of the slot hole 41, and the mechanical seal static ring 52 is installed in the slot hole 41 of the oil seal cover 4 through the static ring rubber;
on the other hand, the framework oil seal 53 includes an upper framework oil seal 531 and a lower framework oil seal 532, and the upper framework oil seal 531 and the lower framework oil seal 532 form a height difference in the oil sump 31;
the oil bin 31 is a groove formed by a flange 32 in the middle of the motor front cover 3, the upper framework oil seal 531 is arranged above the mechanical seal moving ring 51 and is arranged on the outer side wall of the oil bin 31 in an interference manner, and the lower framework oil seal 532 is arranged below the mechanical seal static ring 52 and is arranged at the bottom of a slotted hole 41 of the oil seal cover 4 in an interference manner;
therefore, the upper framework oil seal 531 soaked in the oil can prevent the oil in the oil bin 31 from leaking into the motor 2, so that the oil is completely stored in the oil bin 31 to play a role in lubrication; the lower framework oil seal 532 at the bottom of the oil seal cover 4 plays a role in dust prevention and sand prevention;
and the distance between the upper framework oil seal 531 and the mechanical seal rotating ring 51 is 0.2-0.5mm, and in a preferred embodiment, the distance between the upper framework oil seal 531 and the mechanical seal rotating ring 51 is 0.3mm, so that mutual friction is prevented, and the service life of the framework oil seal 53 is ensured.
In the embodiment, the front section of the rotating shaft 6 is turned with a step, so that the working size of the mechanical sealing structure 5 in the working environment can be ensured.
The utility model has the advantages that: the utility model discloses increase the skeleton oil blanket on mechanical seal structure, including last skeleton oil blanket and lower skeleton oil blanket, go up skeleton oil blanket interference and install the fluid that is used for avoiding in the oil bunker on the lateral wall of oil bunker and leak to the motor in, lower skeleton oil blanket interference is installed and is being had the effect of dustproof sand control on the oil blanket, and the skeleton oil blanket forms the difference in height in the oil bunker moreover and makes infiltration mechanical seal rotating ring and quiet ring that fluid can be better, and lubricated effect is showing and is improving.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Immersible pump mechanical seal's oil-cooling lubricating structure, its characterized in that: including the pump case, install the motor in the pump case, install the motor protecgulum at the motor front end, with motor protecgulum sealing connection's oil cap and install the mechanical seal structure between motor protecgulum and oil cap, wherein:
the pump shell is of a cylindrical structure with an opening at one end, a rotating shaft and a motor are installed in the cylindrical pump shell, the two ends of the rotating shaft are connected with the pump shell through bearings, one end of the rotating shaft extends out of the pump shell through the opening end of the pump shell to be connected with an impeller, a motor front cover is installed at the front end of the motor at the opening end of the pump shell, and an oil sealing cover is installed on the motor front cover in a sealing mode;
the motor is accommodated in the pump shell, a motor rotor contained in the motor is arranged on the rotating shaft and driven by the rotating shaft to rotate, and a motor stator is arranged on the motor rotor;
the middle part of motor protecgulum is provided with the oil sump, has contained fluid in the oil sump, be provided with mechanical seal structure between motor protecgulum and the oil-sealing cover, mechanical seal structure soaks in the fluid in the oil sump and drives the rotatory lubrication of fluid in the oil sump under the rotation of pivot.
2. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 1, characterized in that: the mechanical seal structure comprises a mechanical seal moving ring, a mechanical seal static ring and a framework oil seal, the mechanical seal moving ring is installed on the rotating shaft and rotates along with the rotating shaft, and the mechanical seal static ring is attached to and arranged on the oil seal cover.
3. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 2, characterized in that: the mechanical seal rotating ring is radially fixed on the rotating shaft, the mechanical seal rotating ring is axially attached to the rotating shaft and fixed through the oil seal cover, a stepped groove hole is formed in the end portion of the oil seal cover, static ring rubber is installed at the top of the groove hole, and the mechanical seal static ring is installed in the groove hole of the oil seal cover through the static ring rubber.
4. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 2, characterized in that: the framework oil seal comprises an upper framework oil seal and a lower framework oil seal, and the upper framework oil seal and the lower framework oil seal form a height difference in the oil bin.
5. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 4, wherein: the oil bin is a groove formed by a flange in the middle of the front cover of the motor, the upper framework oil seal is arranged above the mechanical seal moving ring and is arranged on the outer side wall of the oil bin in an interference mode, and the lower framework oil seal is arranged below the mechanical seal static ring and is arranged at the bottom of a groove hole of the oil sealing cover in an interference mode.
6. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 5, characterized in that: the distance between the upper framework oil seal and the mechanical seal moving ring is 0.2-0.5 mm.
7. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 1, characterized in that: the pump shell comprises a pump shell I and a pump shell II, wherein the pump shell I and the pump shell II are connected end to end through self-tapping screws to form an integrated structure.
8. The oil-cooled lubrication structure of a submersible pump mechanical seal according to claim 7, wherein: the pump shell I and the pump shell II are both hollow cylindrical structures, and the pump shell I and the pump shell II are respectively integrally formed into a bulge I and a bulge II with screw holes on the outer edge end face of one end opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537882.XU CN210623184U (en) | 2019-09-17 | 2019-09-17 | Oil cooling lubricating structure of submersible pump mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537882.XU CN210623184U (en) | 2019-09-17 | 2019-09-17 | Oil cooling lubricating structure of submersible pump mechanical seal |
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| Publication Number | Publication Date |
|---|---|
| CN210623184U true CN210623184U (en) | 2020-05-26 |
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|---|---|---|---|
| CN201921537882.XU Active CN210623184U (en) | 2019-09-17 | 2019-09-17 | Oil cooling lubricating structure of submersible pump mechanical seal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454431A (en) * | 2019-09-17 | 2019-11-15 | 苏州沃达园林机械有限公司 | The cold lubrication system of oil of submersible pump mechanical seal |
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2019
- 2019-09-17 CN CN201921537882.XU patent/CN210623184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454431A (en) * | 2019-09-17 | 2019-11-15 | 苏州沃达园林机械有限公司 | The cold lubrication system of oil of submersible pump mechanical seal |
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