CN203641087U - Oil seal device for electric submersible pump protector - Google Patents
Oil seal device for electric submersible pump protector Download PDFInfo
- Publication number
- CN203641087U CN203641087U CN201420037526.2U CN201420037526U CN203641087U CN 203641087 U CN203641087 U CN 203641087U CN 201420037526 U CN201420037526 U CN 201420037526U CN 203641087 U CN203641087 U CN 203641087U
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- China
- Prior art keywords
- ring
- sealing arrangement
- oil
- spring
- outer groove
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- Expired - Fee Related
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Abstract
The utility model discloses an oil seal device for an electric submersible pump protector. The oil seal device comprises a shell and a shaft, a plurality of assembly blocks externally sleeve the shaft and partition the interior of the shell into a plurality of cavities which are precipitation cavities, a breathing pipe is arranged between each two adjacent precipitation cavities, an oil seal is arranged on the inner side wall of each assembly block, and each assembly is provided with a mounting boss corresponding to the oil seal. Each oil seal comprises a fixing block abutted against the corresponding mounting boss. A framework, a rubber carrier, a spring and a retaining ring are mounted on one side, away from the corresponding mounting boss, of each fixing block. The springs externally sleeve the shaft, and one end of each spring is abutted against the corresponding mounting framework while the other end of each spring is abutted against the corresponding retaining ring. Each mounting framework comprises a mounting ring. One end, close to the corresponding spring, of each mounting ring is provided with a mounting flange with a mounting fastener on the inner wall. The outer wall of each rubber carrier is provided with an outer annular groove, and each mounting fastener is embedded into the corresponding outer annular groove. The oil seal device for the electric submersible pump protector is provided with the fixing blocks, the mounting frameworks, the rubber carriers, the springs and the retaining rings, adaptable to movement of the shaft and better in movable sealing effect.
Description
Technical field
The utility model relates to submersible electric pump technical field, is specifically related to a kind of submersible electric pump protector oil-sealing arrangement.
Background technique
Submersible electric pump is generally made up of down-hole temperature and pressure measuring and control device, oil-submersible motor, protector, separator, oil-submersible centrifugal pump, one-way valve and oil drain valve combination, oil-submersible cable, control cabinet, frequency variator, terminal box and transformer etc.Wherein protector is one of important component part of submersible electric pump; the effect of protector is to protect oil-submersible motor by individual routine well liquid and dynamo oil; protector can sealed electric-motor power end; prevent that well liquid from entering motor internal; in running; can the expansion of lubricant oil in motor and contraction be had and be held and not smooth effect, meanwhile, can the outer cavity pressure of balance motor.Protector generally comprises housing; in housing, be provided with axis body; the two ends of housing are provided with in upper bed-plate assembly apparatus and lower bottom base assembly apparatus housing and are provided with some precipitations chamber; each precipitation chamber is interconnected by respirating tube; in housing, be provided with the upper and lower street corner of assembling block, upper and lower street corner assembling block is separated into above-mentioned some precipitations chamber by housing; between upper and lower street corner assembling block and axis body inwall, be provided with oil-sealing arrangement, the oil-sealing arrangement oil sealing effect of prior art is poor, and sealing is not high.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides the submersible electric pump protector oil-sealing arrangement that a kind of sealing is higher.
To achieve these goals, the utility model has adopted following technological scheme:
A kind of submersible electric pump protector oil-sealing arrangement, comprise housing and axis body, described axis body is arranged with some assembling blocks outward, assembling block will be divided into some chambers in described housing, described chamber is precipitation chamber, between described precipitation chamber and adjacent precipitation chamber, be provided with respirating tube, described assembling block madial wall is provided with oil-sealing arrangement, described assembling block and oil-sealing arrangement corresponding position are provided with installation base, described oil-sealing arrangement comprises fixed block, the setting that offsets of described fixed block and described installation base, the side that described fixed block deviates from installation base is provided with mounting framework, rubber frame, spring and back-up ring, described spring housing is located at outside axis body, the setting that offsets of one end of spring and described mounting framework, the setting that offsets of the other end and described back-up ring, described mounting framework comprises installation ring body, described installation ring body is provided with installation flange by a side of spring, the madial wall of described installation flange is provided with the installation button of ring-type, the outer side wall of described rubber frame is provided with outer groove, described installation button is embedded in described outer groove.
As preferably, described spring is by the setting that offsets of a side of installation base and described installation ring body.Adopt after above-mentioned preferred version, submersible electric pump protector oil-sealing arrangement of the present utility model is more stable in the time of work.
As preferably, the outer side wall of described fixed block is provided with fixed block outer groove, in described fixed block outer groove, is provided with seal ring, the setting that offsets of described seal ring and described installation base.Adopt after above-mentioned preferred version, sealing is higher.
As preferably, described rubber frame by a side of installation base with ring body settings that offset is installed, described rubber frame leans on a side of installation base to be provided with the rubber buffer portion being bent to form.Adopt after above-mentioned preferred version, can play absorption portion vibrations buffering, avoid mounting framework to be damaged.
As preferably, the periphery of described back-up ring is along being provided with the back-up ring button limit that turns down and extend towards installation base direction, and the side that described spring and back-up ring offset is embedded at described back-up ring and buckles between limit and axis body outer side wall.Adopt after above-mentioned preferred version, can effectively be undertaken spacing to spring by one end of back-up ring.
As preferably, described axis body is provided with axis body outer groove, and described axis body outer groove is positioned at the side that back-up ring deviates from installation base, in described axis body outer groove, is provided with back-up ring retaining ring, the setting that offsets of described back-up ring retaining ring and described back-up ring.Adopt after above-mentioned preferred version, back-up ring retaining ring can be avoided back-up ring slippage outside axis body, and axis body is fixed.
As preferably, the outer side wall of described assembling block is provided with assembling block outer groove, in described assembling block outer groove, is provided with assembling block seal ring, the setting that offsets of described assembling block seal ring and described inner walls.Adopt after above-mentioned preferred version the better tightness of assembling block and housing.
This uses novel submersible electric pump protector oil-sealing arrangement to be provided with fixed block, mounting framework, rubber frame, spring and back-up ring, can adapt to the activity of axis body, movable sealing better effects if.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the partial enlarged drawing at the A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at the B place in Fig. 1.
Embodiment
As shown in Figure 1-Figure 3; embodiment of the present utility model is a kind of submersible electric pump protector oil-sealing arrangement specifically; comprise housing 1 and axis body 2; the outer assembling block 3 that is arranged with of axis body 2; assembling block 3 will be divided into chamber in housing 1; chamber, for precipitation chamber 11, is provided with respirating tube 12 between precipitation chamber 11 and adjacent precipitation chamber 11.Assembling block 3 madial walls are provided with oil-sealing arrangement 4, and assembling block 3 is provided with installation base 31 with oil-sealing arrangement 4 corresponding positions, and oil-sealing arrangement 4 comprises fixed block 41, the setting that offsets of fixed block 41 and installation base 31.The side that fixed block 41 deviates from installation base 31 is provided with mounting framework 32, rubber frame 33, spring 34 and back-up ring 35.Spring 34 is set in outside axis body 2, the setting that offsets of one end of spring 34 and mounting framework 32, and the setting that offsets of the other end and back-up ring 35, mounting framework .32 comprises ring body 321 is installed, and ring body 321 is installed and is provided with flange 322 is installed by a side of spring 34.The madial wall that flange 322 is installed is provided with the installation button 323 of ring-type.The outer side wall of rubber frame 33 is provided with outer groove 331, button 323 is installed and is embedded in outer groove 331.Spring 34 by a side of installation base 31 with ring body 321 setting that offsets is installed.
The outer side wall of fixed block 41 is provided with fixed block outer groove 411, is provided with seal ring 412 in fixed block outer groove 411, the setting that offsets of seal ring 412 and installation base 31.Rubber frame 33 by a side of installation base 31 with ring body 321 settings that offset is installed, rubber frame 33 leans on a side of installation base 31 to be provided with the rubber buffer portion 331 being bent to form.The periphery of back-up ring 35 is along being provided with the back-up ring button limit 351 that turns down and extend towards installation base 31 directions, and the side that spring 34 and back-up ring 35 offset is embedded at back-up ring and buckles between limit 351 and axis body 2 outer side walls.Axis body 2 is provided with axis body outer groove 21, and axis body outer groove 21 is positioned at the side that back-up ring 35 deviates from installation base 31, is provided with back-up ring retaining ring 211 in axis body outer groove 21, the setting that offsets of back-up ring retaining ring 211 and back-up ring 35.The outer side wall of assembling block 3 is provided with assembling block outer groove 32, is provided with assembling block seal ring 321 in assembling block outer groove 32, the setting that offsets of assembling block seal ring 321 and housing 1 inwall.
Claims (7)
1. a submersible electric pump protector oil-sealing arrangement, comprise housing and axis body, described axis body is arranged with some assembling blocks outward, assembling block will be divided into some chambers in described housing, described chamber is precipitation chamber, between described precipitation chamber and adjacent precipitation chamber, be provided with respirating tube, it is characterized in that: described assembling block madial wall is provided with oil-sealing arrangement, described assembling block and oil-sealing arrangement corresponding position are provided with installation base, described oil-sealing arrangement comprises fixed block, the setting that offsets of described fixed block and described installation base, the side that described fixed block deviates from installation base is provided with mounting framework, rubber frame, spring and back-up ring, described spring housing is located at outside axis body, the setting that offsets of one end of spring and described mounting framework, the setting that offsets of the other end and described back-up ring, described mounting framework comprises installation ring body, described installation ring body is provided with installation flange by a side of spring, the madial wall of described installation flange is provided with the installation button of ring-type, the outer side wall of described rubber frame is provided with outer groove, described installation button is embedded in described outer groove.
2. submersible electric pump protector oil-sealing arrangement according to claim 1, is characterized in that: described spring is by the setting that offsets of a side of installation base and described installation ring body.
3. submersible electric pump protector oil-sealing arrangement according to claim 1; it is characterized in that: the outer side wall of described fixed block is provided with fixed block outer groove; in described fixed block outer groove, be provided with seal ring, the setting that offsets of described seal ring and described installation base.
4. submersible electric pump protector oil-sealing arrangement according to claim 1, is characterized in that: described rubber frame by a side of installation base with ring body settings that offset is installed, described rubber frame leans on a side of installation base to be provided with the rubber buffer portion being bent to form.
5. submersible electric pump protector oil-sealing arrangement according to claim 1; it is characterized in that: the periphery of described back-up ring is along being provided with the back-up ring button limit that turns down and extend towards installation base direction, and the side that described spring and back-up ring offset is embedded at described back-up ring and buckles between limit and axis body outer side wall.
6. submersible electric pump protector oil-sealing arrangement according to claim 1 or 5; it is characterized in that: described axis body is provided with axis body outer groove; described axis body outer groove is positioned at the side that back-up ring deviates from installation base; in described axis body outer groove, be provided with back-up ring retaining ring, the setting that offsets of described back-up ring retaining ring and described back-up ring.
7. submersible electric pump protector oil-sealing arrangement according to claim 1; it is characterized in that: the outer side wall of described assembling block is provided with assembling block outer groove; in described assembling block outer groove, be provided with assembling block seal ring, the setting that offsets of described assembling block seal ring and described inner walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037526.2U CN203641087U (en) | 2014-01-17 | 2014-01-17 | Oil seal device for electric submersible pump protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037526.2U CN203641087U (en) | 2014-01-17 | 2014-01-17 | Oil seal device for electric submersible pump protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641087U true CN203641087U (en) | 2014-06-11 |
Family
ID=50872336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037526.2U Expired - Fee Related CN203641087U (en) | 2014-01-17 | 2014-01-17 | Oil seal device for electric submersible pump protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253107A (en) * | 2018-11-26 | 2019-01-22 | 山东泽元石油机械有限公司 | A kind of mechanical seal for submersible electric pump motor protecter |
-
2014
- 2014-01-17 CN CN201420037526.2U patent/CN203641087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253107A (en) * | 2018-11-26 | 2019-01-22 | 山东泽元石油机械有限公司 | A kind of mechanical seal for submersible electric pump motor protecter |
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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: 20140611 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |