CN207603186U - Well oil-charging submersible electric pump cable seal structure - Google Patents
Well oil-charging submersible electric pump cable seal structure Download PDFInfo
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- CN207603186U CN207603186U CN201721708353.2U CN201721708353U CN207603186U CN 207603186 U CN207603186 U CN 207603186U CN 201721708353 U CN201721708353 U CN 201721708353U CN 207603186 U CN207603186 U CN 207603186U
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- sheath
- annular seal
- oil
- electric pump
- seal space
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Abstract
The utility model provides a kind of well oil-charging submersible electric pump cable seal structure.Belong to the technical field of sealing technology of pump.The utility model includes top chock, annular seal space there are one being set in the top chock, single oil resistant line and common cable line are penetrated into annular seal space and are connected in annular seal space, rubber sealant is filled in annular seal space, in the annular seal space and positioned at rubber sealant outer cover set there are one have elasticity can deformation jacket assembly, it is spirally connected in annular seal space there are one clamp nut, the clamp nut holds out against cooperation with jacket assembly and is clamped so as to which jacket assembly be made to be radially expanded and be formed with rubber sealant.The utility model good airproof performance, at low cost, structure is reliable.
Description
Technical field
The utility model belongs to the technical field of sealing technology of pump, is related to a kind of well oil-charging submersible electric pump cable seal knot
Structure.
Background technology
In deep-well electric pump, to prevent the oil in motor cavity from not leaked out among the core of cable, need using a large amount of
Oil resistant cable, oil resistant cable are a kind of anti-static oil-resistance specific measuring electric cables, anti-static oil-resistance specific measuring electric cable, in motor cavity
Or using more in bearing block, oil resistant cable needs to form preferable sealing with bearing block.And it is further desired that in bearing block
Oil resistant cable need, with fixed effect, can just prevent from being detached between bearing block.
In the prior art, it is contemplated that sealing and fixed effect, people directly substitute common cable with oil resistant cable, realize
Oil-leakage-prevention and the effect being fixedly connected, but oil resistant cable is of high cost, and the cost that largely can cause electric pump using the cable increases.
Utility model content
The purpose of this utility model is regarding to the issue above and defect, it is close to provide a kind of well oil-charging submersible electric pump cable
Seal structure.
To achieve the above object, the utility model provides following technical proposal：
A kind of well oil-charging submersible electric pump cable seal structure including top chock, is equipped in the top chock
One annular seal space, single oil resistant line and common cable line are penetrated into annular seal space and are connected in annular seal space, are filled out in annular seal space
Filled with rubber sealant, in the annular seal space and positioned at rubber sealant outer cover set there are one have elasticity can deformation shield
Component is covered, is spirally connected in annular seal space there are one clamp nut, the clamp nut holds out against cooperation so as to make sheath with jacket assembly
Component is radially expanded and is formed with rubber sealant and is clamped.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the jacket assembly includes sheath and pad
Piece, sheath are fastened on annular seal space bottom, and gasket is pressed on sheath, and clamp nut holds out against cooperation, the inner wall card of sheath with sheath
Enter into rubber sealant.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the sheath both ends have along sheath
The conical surface of the heart to outer wall diagonally downward, the gasket have the cone to match with the conical surface on sheath close to one end of sheath
Face, the one end of gasket far from sheath are in planar, and annular seal space bottom has the conical surface to match with the conical surface on sheath.
It is close with connection in oil-charging submersible electric pump cable seal structure, is additionally provided on the top chock in above-mentioned well
The threading hole of chamber is sealed, single oil resistant line is penetrated into threading hole.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the rubber sealant is filled in threading hole
In annular seal space.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the single oil resistant line has at least two,
And it is enclosed with rubber sealant outside every single oil resistant line.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the rubber sealant extends to common electricity
On the crust of cable.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the single oil resistant line and common cable line
It is electrically connected by soldering.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the single oil resistant line and common cable line
Junction be arranged with heat-shrinkable T bush, the rubber sealant is wrapped in outside heat-shrinkable T bush.
In above-mentioned well in oil-charging submersible electric pump cable seal structure, the single oil resistant line and common cable line
Junction be arranged with rubber standoff, heat-shrinkable T bush is threaded through in rubber standoff, and rubber sealant is wrapped in outside rubber standoff.
Compared with prior art, the utility model advantage is：Good airproof performance, at low cost, structure is reliable.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structure diagram of utility model.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is the structure diagram of top chock.
In figure：Top chock 1, annular seal space 2, single oil resistant line 3, common cable line 4, rubber sealant 5, jacket assembly 6,
Clamp nut 7, sheath 8, gasket 9, threading hole 10, soldering 11, heat-shrinkable T bush 12, rubber standoff 13.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of well oil-charging submersible electric pump cable seal structure, including top chock 1,
Set in the top chock 1 there are one annular seal space 2, single oil resistant line 3 and common cable line 4 penetrate into annular seal space 2 and
It is connected in annular seal space 2, rubber sealant 5 is filled in annular seal space 2, the annular seal space 2 is interior and outside rubber sealant 5
Portion be arranged there are one have elasticity can deformation jacket assembly 6, being spirally connected in annular seal space 2, there are one clamp nut 7, the compressions
Nut 7 holds out against cooperation with jacket assembly 6 and is clamped so as to which jacket assembly 6 be made to be radially expanded and be formed with rubber sealant 5.
In the present embodiment, common cable line 4 refer to except single oil resistant line 3 with for other cables.When clamp nut 7
After compressing jacket assembly 6, jacket assembly 6 is axially compressed so as to fulfill being radially expanded, in expansion process, outside jacket assembly 6
Wall forms sealing cooperation with 2 inner wall of annular seal space, and 6 inner wall of jacket assembly snaps onto the sealing that plug-in is realized in rubber sealant 5
Cooperation, and the position of rubber sealant 5 is fixed, realize positioning.
Rubber sealant 5 is extended on the crust of common cable line 4, further strengthens sealing effect.
Jacket assembly 6 includes sheath 8 and gasket 9, and sheath 8 is fastened on 2 bottom of annular seal space, and gasket 9 is pressed on sheath 8,
Clamp nut 7 holds out against cooperation with sheath 8, and the inner wall of sheath 8 is snapped onto in rubber sealant 5.
In the present embodiment, gasket 9 is made of rigid material, and sheath 8 is made of elastic material such as rubber or plastics, sheath
8 can deform upon so as to fulfill sealing and fixed function.
Preferred embodiment, 8 both ends of sheath have the conical surface along the center of sheath 8 to outer wall diagonally downward, and the gasket 9 leans on
One end of nearly sheath 8 has a conical surface to match with the conical surface on sheath 8, and the one end of gasket 9 far from sheath 8 is close in planar
2 bottom of envelope chamber has the conical surface to match with the conical surface on sheath 8.
The threading hole 10 of communication seals chamber 2 is additionally provided on top chock 1, single oil resistant line 3 is penetrated into threading hole 10.Rubber
Glue sealant 5 is filled in threading hole 10 and annular seal space 2.
Single oil resistant line 3 has at least two, and is enclosed with rubber sealant 5 outside every single oil resistant line 3.Single is resistance to
Oily line 3 and common cable line 4 are electrically connected by soldering 11.
In order to realize insulation effect, the junction of single oil resistant line 3 and common cable line 4 is arranged with heat-shrinkable T bush 12, heat
The position of Heat-Shrinkable Tubings 12 is corresponding with soldering 11, and the rubber sealant 5 is wrapped in outside heat-shrinkable T bush 12.
The junction of preferred embodiment, single oil resistant line 3 and common cable line 4 is arranged with rubber standoff 13, heat-shrinkable T bush 12
It is threaded through in rubber standoff 13, rubber sealant 5 is wrapped in outside rubber standoff 13.
The operation principle of the utility model is：
Single oil resistant line 3 is penetrated from threading hole 10, and heat-shrinkable T bush 12 is nested into rubber standoff 13, and single oil resistant line 3 is again
Across heat-shrinkable T bush 12, single oil resistant line 3 is docked with common cable line 4 by the formation of soldering 11, and rubber standoff 13 is more electricity
Line separates, and every electric wire is made all to be wrapped up by rubber sealant 5, ensures the insulation between every electric wire.
When clamp nut 7 screws, gasket 9 is pushed to squeeze sheath 8, sheath 8 is radially expanded compressing rubber sealant 5, protects
A groove is formed after covering 8 compressing rubber sealants 5, is clamped with rubber sealant 5, the entire construction of cable is firmly fixed to
On bearing block 1, sealed reliable, and single oil resistant 3 dosages of line are few, it is at low cost.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
It is close that although top chock 1, annular seal space 2, single oil resistant line 3, common cable line 4, rubber is used more herein
Sealing 5, jacket assembly 6, clamp nut 7, sheath 8, gasket 9, threading hole 10, soldering 11, heat-shrinkable T bush 12, rubber standoff 13 etc.
Term, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain
The essence of the utility model；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (10)
1. a kind of well oil-charging submersible electric pump cable seal structure, including top chock (1), which is characterized in that described is upper
It is set in bearing block (1) there are one annular seal space (2), single oil resistant line (3) and common cable line (4) are penetrated into annular seal space (2) simultaneously
It is connected in annular seal space (2), rubber sealant (5) is filled in annular seal space (2), the annular seal space (2) is interior and positioned at rubber
Glue sealant (5) outer cover set there are one have elasticity can deformation jacket assembly (6), being spirally connected in annular seal space (2), there are one press
Tight nut (7), the clamp nut (7) hold out against cooperation so as to which jacket assembly (6) be made to be radially expanded simultaneously with jacket assembly (6)
It is formed and is clamped with rubber sealant (5).
2. well according to claim 1 oil-charging submersible electric pump cable seal structure, which is characterized in that the sheath
Component (6) includes sheath (8) and gasket (9), and sheath (8) is fastened on annular seal space (2) bottom, and gasket (9) is pressed on sheath (8)
On, clamp nut (7) holds out against cooperation with sheath (8), and the inner wall of sheath (8) is snapped onto in rubber sealant (5).
3. well according to claim 2 oil-charging submersible electric pump cable seal structure, which is characterized in that the sheath
(8) both ends have the conical surface along the center of sheath (8) to outer wall diagonally downward, and the gasket (9) is close to one end of sheath (8)
With the conical surface to match with the conical surface on sheath (8), the one end of gasket (9) far from sheath (8) is in planar, annular seal space (2)
Bottom has the conical surface to match with the conical surface on sheath (8).
4. well according to claim 1 oil-charging submersible electric pump cable seal structure, which is characterized in that the upper axis
The threading hole (10) of communication seals chamber (2) is additionally provided in bearing (1), single oil resistant line (3) is penetrated into threading hole (10).
5. well according to claim 4 oil-charging submersible electric pump cable seal structure, which is characterized in that the rubber
Sealant (5) is filled in threading hole (10) and annular seal space (2).
6. well according to claim 5 oil-charging submersible electric pump cable seal structure, which is characterized in that the single
Oil resistant line (3) has at least two, and is enclosed with rubber sealant (5) outside every single oil resistant line (3).
7. well according to claim 1 oil-charging submersible electric pump cable seal structure, which is characterized in that the rubber
Sealant (5) is extended on the crust of common cable line (4).
8. well according to claim 1 oil-charging submersible electric pump cable seal structure, which is characterized in that the single
Oil resistant line (3) and common cable line (4) are electrically connected by soldering (11).
9. well according to claim 8 oil-charging submersible electric pump cable seal structure, which is characterized in that the single
The junction of oil resistant line (3) and common cable line (4) is arranged with heat-shrinkable T bush (12), and the rubber sealant (5) is wrapped in
Heat-shrinkable T bush (12) is outside.
10. well according to claim 9 oil-charging submersible electric pump cable seal structure, which is characterized in that the list
The junction of core oil resistant line (3) and common cable line (4) is arranged with rubber standoff (13), and heat-shrinkable T bush (12) is threaded through rubber branch
In frame (13), rubber sealant (5) is wrapped in rubber standoff (13) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708353.2U CN207603186U (en) | 2017-12-11 | 2017-12-11 | Well oil-charging submersible electric pump cable seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708353.2U CN207603186U (en) | 2017-12-11 | 2017-12-11 | Well oil-charging submersible electric pump cable seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603186U true CN207603186U (en) | 2018-07-10 |
Family
ID=62763853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721708353.2U Active CN207603186U (en) | 2017-12-11 | 2017-12-11 | Well oil-charging submersible electric pump cable seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603186U (en) |
-
2017
- 2017-12-11 CN CN201721708353.2U patent/CN207603186U/en active Active
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