CN206917911U - Submersible electric pump attachment means - Google Patents
Submersible electric pump attachment means Download PDFInfo
- Publication number
- CN206917911U CN206917911U CN201720663560.4U CN201720663560U CN206917911U CN 206917911 U CN206917911 U CN 206917911U CN 201720663560 U CN201720663560 U CN 201720663560U CN 206917911 U CN206917911 U CN 206917911U
- Authority
- CN
- China
- Prior art keywords
- annular groove
- axis hole
- electric pump
- attachment means
- submersible electric
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of submersible electric pump attachment means, including shaft coupling, the shaft coupling both ends are separately provided for the axis hole that the rotary shaft of submersible electric pump penetrates, and the inwall at each axis hole aperture is provided with axis hole annular groove, and gland seal circle is provided with the axis hole annular groove.The beneficial effects of the utility model are：Gland seal circle is quality of rubber materials.Axis hole annular groove is set at axis hole aperture, and gland seal circle is set in axis hole annular groove, so as to strengthen the sealing property of axis hole.
Description
Technical field
Submersible electric pump is the utility model is related to, more particularly to a kind of submersible electric pump attachment means.
Background technology
Oil-immersed pump shaft coupling is generally bumped into coupler sleeve body in hole by built-in shaft coupling interference, shaft coupling body with it is built-in
Shaft coupling is into interference structure, in the mating surface drill two holes of shaft coupling body and built-in shaft coupling, then with pin press-in hole
Riveted, then fix to obtain by pin with point riveting.The problem of oil-immersed pump shaft coupling is primarily present is built-in after riveting
Axle device aperture can deform diminution, and very big difficulty is carried out to connect band.When oil-immersed pump and separator are connected, due to built-in coupler hole
Footpath reduces, and can cause mutually to push up between axle and axle, oil-immersed pump and separator interior is damaged.
Notification number is that CN204357747U Chinese patent discloses a kind of Novel submarine oil pump attachment means.The attachment means
Shaft coupling body, the first axis hole and the second axis hole are designed to integral structure, cancel the body combination of oil-immersed pump reducing shaft coupling two
Structure, so as to increase oil-immersed pump reducing shaft coupling bearing torque, cancel built-in coupler structure after riveting, resolving aperture reduces
The problem of.
But during the use of submersible electric pump, the oil-immersed pump attachment means inevitably need to be connect with oil
Touch.And the sealing of the oil-immersed pump attachment means is poor, have much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of submersible electric pump attachment means.The submersible electric pump attachment means sealing compared with
It is high.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of submersible electric pump attachment means, including shaft coupling, the shaft coupling both ends are separately provided for submersible electric pump
The axis hole that penetrates of rotary shaft, the inwall at each axis hole aperture is provided with axis hole annular groove, in the axis hole annular groove
It is provided with gland seal circle.
By using above-mentioned technical proposal, gland seal circle is quality of rubber materials.Axis hole annular groove is set at axis hole aperture,
And gland seal circle is set in axis hole annular groove, so as to strengthen the sealing property of axis hole.
The utility model is further arranged to：The axis hole annular groove is along cuing open perpendicular to axis hole annular groove bearing of trend
Face is minor arc, and the gland seal circle is minor arc along the section perpendicular to gland seal circle bearing of trend, and the axis hole is annular
The curvature of the minor arc of groove and the curvature of the minor arc of gland seal circle are equal, and the area of the minor arc of the axis hole annular groove is less than axis hole
The area of the minor arc of sealing ring.
By using above-mentioned technical proposal, under original state, gland seal circle has part to be located in axis hole annular groove, there is portion
Divide and expose axis hole annular groove.When axle enters in axis hole, axle can produce extruding to gland seal circle, gland seal circle is produced bullet
Property deformation is simultaneously pressed completely into axis hole annular groove.And gland seal circle produces extruding to axle, so as to realize the closing to axis hole.
The utility model is further arranged to：The shaft coupling is provided at both ends with interior annular groove, the interior annular groove
Internal diameter is more than the diameter of axis hole, and inner seal ring is provided with the interior annular groove.
By using above-mentioned technical proposal, inner seal ring is quality of rubber materials.When oil-immersed pump and separator enter with shaft coupling
Luggage timing, inner seal ring can abut with the surface of oil-immersed pump and separator, so as to play the effect of isolation oil.
The utility model is further arranged to：The interior annular groove is along the section perpendicular to interior annular groove bearing of trend
Rectangle, the inner seal ring along the section perpendicular to inner seal ring bearing of trend be rectangle, the length of the interior annular groove
Square area is less than the rectangular area of inner seal ring.
By using above-mentioned technical proposal, when oil-immersed pump and separator are assembled with shaft coupling, inner seal ring energy
It is enough to be abutted with the surface of oil-immersed pump and separator, so that inner seal ring occurs elastic deformation and is pressed completely into interior annular groove
In.And inner seal ring can produce extruding to oil-immersed pump or separator, so as to realize to oil-immersed pump and separator respectively with connection
Closing between axle device both ends.Because the internal diameter of interior annular groove is more than the diameter of axis hole, therefore inner seal ring can further increase
By force to the sealing effectiveness of axis hole.
The utility model is further arranged to：The shaft coupling is provided at both ends with outer annular groove, the outer annular groove
Internal diameter is more than the external diameter of interior annular groove.
By using above-mentioned technical proposal, because gland seal circle and inner seal ring are quality of rubber materials, therefore work as axis hole
Sealing ring and inner seal ring are contacted excessively with oil, and gland seal circle and inner seal ring can be caused to shrink, and then influence axis hole
Sealing.And internal diameter is more than the setting of the outer annular groove of interior annular groove external diameter, equivalent to storage of the increase to oil outside interior annular groove
Deposit, and then reduction gland seal circle and inner seal ring contact with oil, so as to extend the use longevity of axis hole sealing ring and inner seal ring
Life.Meanwhile the outer fixture block for being caught in outer annular groove can be set in oil-immersed pump and separator, so as to strengthen the barrier property to oil.
The utility model is further arranged to：The outer annular groove is provided with multiple, multiple close phases of outer annular groove
It is adjacent.
By using above-mentioned technical proposal, outer annular groove setting is multiple, strengthens the storage capacity to oil, further extending shaft
The service life of hole sealing ring and inner seal ring.Meanwhile it can be set and the matching of outer annular groove in oil-immersed pump and separator
Outer fixture block, so as to further enhance the barrier property to oil.
The utility model is further arranged to：Each outer annular groove is along the bearing of trend perpendicular to outer annular groove
Section is triangle.
By using above-mentioned technical proposal, section of the outer annular groove along the bearing of trend perpendicular to outer annular groove is triangle
Shape, then section of the corresponding outer fixture block along the bearing of trend perpendicular to outer fixture block is also triangle.Compared to convex quadrangle, outside
The contact area of annular groove and outer fixture block is few, less so as to leave the space of oil entrance for, so as to which the barrier property to oil is stronger.
In summary, the utility model has the advantages that：
Axis hole annular groove and gland seal circle, interior annular groove and inner seal ring and outer ring are set gradually outside interior
Groove, strengthen sealing effectiveness.Wherein, the setting of outer annular groove not only strengthens the barrier property to oil, on the other hand can also reduce
The oily contact with gland seal circle and inner seal ring, extend the usage time of axis hole sealing ring and inner seal ring.
Brief description of the drawings
Fig. 1 is structural representation of the embodiment with gland seal circle and inner seal ring；
Fig. 2 is that embodiment removes the structural representation after gland seal circle and inner seal ring.
Reference：1st, shaft coupling；2nd, axis hole；3rd, axis hole annular groove；4th, gland seal circle；5th, interior annular groove；6th, it is interior close
Seal；7th, outer annular groove；8th, flange hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Reference picture 1, a kind of submersible electric pump attachment means, including shaft coupling 1.The both ends of shaft coupling 1 are separately provided for
The axis hole 2 that the rotary shaft of submersible electric pump penetrates.
Under original state, the sealing ring of axis hole 2 has part to be located in the annular groove of axis hole 2, has part to expose the annular groove of axis hole 2.
When axle enters in axis hole 2, axle can produce extruding to the sealing ring of axis hole 2, the sealing ring of axis hole 2 is produced elastic deformation and complete
It is pressed into the annular groove of axis hole 2.And the sealing ring of axis hole 2 produces extruding to axle, so as to realize the closing to axis hole 2.
With reference to Fig. 1 and 2, the inwall at each aperture of axis hole 2 is provided with the annular groove of axis hole 2.The annular groove of axis hole 2 is along vertical
In the section of the annular groove bearing of trend of axis hole 2 be minor arc.The sealing ring of axis hole 2 of quality of rubber materials is provided with the annular groove of axis hole 2.Axle
The sealing ring of hole 2 along the section perpendicular to the sealing ring bearing of trend of axis hole 2 be minor arc.The curvature of the minor arc of the annular groove of axis hole 2 and
The curvature of the minor arc of the sealing ring of axis hole 2 is equal, but the area of the minor arc of the annular groove of axis hole 2 is less than the minor arc of the sealing ring of axis hole 2
Area.
With reference to Fig. 1 and 2, shaft coupling 1 is provided at both ends with interior annular groove 5.The internal diameter of interior annular groove 5 is more than the straight of axis hole 2
Footpath.Interior annular groove 5 along the section perpendicular to the bearing of trend of interior annular groove 5 be rectangle.Rubber material is provided with interior annular groove 5
The inner seal ring 6 of matter.Inner seal ring 6 is along with the section of the bearing of trend of inner seal ring 6 being vertically rectangle.And interior annular groove 5
Rectangular area be less than inner seal ring 6 rectangular area.
When oil-immersed pump and separator are assembled with shaft coupling 1, inner seal ring 6 can be with oil-immersed pump and separator
Surface abuts, so that inner seal ring 6 occurs elastic deformation and is pressed completely into interior annular groove 5.And inner seal ring 6 can be right
Oil-immersed pump or separator produce extruding, so as to realize to the closing between the both ends of shaft coupling 1 respectively of oil-immersed pump and separator.
Because the internal diameter of interior annular groove 5 is more than the diameter of axis hole 2, therefore inner seal ring 6 can further enhance the sealing effect to axis hole 2
Fruit.
Reference picture 1, shaft coupling 1 are provided at both ends with multiple close adjacent outer annular grooves 7.Each outer annular groove 7 is interior
Footpath is more than the external diameter of interior annular groove 5.Each section of the outer annular groove 7 along the bearing of trend perpendicular to outer annular groove 7 is triangle
Shape.
Because the sealing ring of axis hole 2 and inner seal ring 6 are quality of rubber materials, thus when the sealing ring of axis hole 2 and inner seal ring 6 with
Oil contact is excessive, and the sealing ring of axis hole 2 and inner seal ring 6 can be caused to shrink, and then influences the sealing of axis hole 2.And internal diameter is big
In the setting of multiple outer annular grooves 7 of the external diameter of interior annular groove 5, equivalent to storage of the increase to oil outside interior annular groove 5, and then subtract
The few sealing ring of axis hole 2 and inner seal ring 6 contact with oil, so as to extend the service life of the sealing ring of axis hole 2 and inner seal ring 6.Together
When, the outer fixture block for being caught in outer annular groove 7 can be set in oil-immersed pump and separator, so as to strengthen the barrier property to oil.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of submersible electric pump attachment means, including shaft coupling (1), shaft coupling (1) both ends are separately provided for latent oil
The axis hole (2) that the rotary shaft of electric pump penetrates, it is characterized in that：Inwall at each axis hole (2) aperture is provided with axis hole (2) ring
Shape groove, axis hole (2) sealing ring is provided with axis hole (2) annular groove.
2. submersible electric pump attachment means according to claim 1, it is characterized in that：Axis hole (2) annular groove is along vertical
It is minor arc in the section of axis hole (2) annular groove bearing of trend, axis hole (2) sealing ring is along perpendicular to axis hole (2) sealing ring
The section of bearing of trend is minor arc, the curvature of the curvature of the minor arc of axis hole (2) annular groove and the minor arc of axis hole (2) sealing ring
Equal, the area of the minor arc of axis hole (2) annular groove is less than the area of the minor arc of axis hole (2) sealing ring.
3. submersible electric pump attachment means according to claim 2, it is characterized in that：Shaft coupling (1) is provided at both ends with
Interior annular groove (5), the internal diameter of the interior annular groove (5) are more than the diameter of axis hole (2), are provided with the interior annular groove (5) interior
Sealing ring (6).
4. submersible electric pump attachment means according to claim 3, it is characterized in that：The interior annular groove (5) along perpendicular to
The section of interior annular groove (5) bearing of trend is rectangle, and the inner seal ring (6) is along perpendicular to inner seal ring (6) extension side
To section be rectangle, the rectangular area of the interior annular groove (5) is less than the rectangular area of inner seal ring (6).
5. submersible electric pump attachment means according to claim 4, it is characterized in that：Shaft coupling (1) is provided at both ends with
Outer annular groove (7), the internal diameter of the outer annular groove (7) are more than the external diameter of interior annular groove (5).
6. submersible electric pump attachment means according to claim 5, it is characterized in that：The outer annular groove (7) be provided with it is multiple,
Multiple outer annular grooves (7) are close adjacent.
7. submersible electric pump attachment means according to claim 6, it is characterized in that：Each outer annular groove (7) is along hanging down
Directly in the section of the bearing of trend of outer annular groove (7) be triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663560.4U CN206917911U (en) | 2017-06-08 | 2017-06-08 | Submersible electric pump attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663560.4U CN206917911U (en) | 2017-06-08 | 2017-06-08 | Submersible electric pump attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206917911U true CN206917911U (en) | 2018-01-23 |
Family
ID=61314574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720663560.4U Expired - Fee Related CN206917911U (en) | 2017-06-08 | 2017-06-08 | Submersible electric pump attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206917911U (en) |
-
2017
- 2017-06-08 CN CN201720663560.4U patent/CN206917911U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |