CN214626636U - Power cord sealing and fixing device for submersible electric pump - Google Patents
Power cord sealing and fixing device for submersible electric pump Download PDFInfo
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- CN214626636U CN214626636U CN202023118575.3U CN202023118575U CN214626636U CN 214626636 U CN214626636 U CN 214626636U CN 202023118575 U CN202023118575 U CN 202023118575U CN 214626636 U CN214626636 U CN 214626636U
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Abstract
The utility model discloses a power cord sealing and fixing device for a submersible electric pump, which comprises a sealing nut, a sealing bolt and a rubber wire protecting sleeve, wherein the bottom of a central screw hole of the sealing nut is provided with a conical sealing surface, the rubber wire protecting sleeve is in a hollow arrow sagittal shape, an arrow head is a conical sealing head which is matched with the conical sealing surface, an arrow handle is a conical sealing column, the sealing bolt is provided with a conical center hole matched with the outer surface of the conical sealing column, the rubber wire protecting sleeve is arranged in the sealing nut to ensure that the conical sealing head is matched with the conical sealing surface, the conical center hole of the sealing bolt is sleeved on the conical sealing column and screwed in the sealing nut, the end part of the sealing bolt presses and forces the bottom end surface of the conical sealing head to press the outer surface of the conical sealing column simultaneously, the rubber wire protecting sleeve is compressed to clamp and seal and fix a power lead-out wire, thereby increasing the sealing area and the sealing effect, the power line fixing and sealing device has the beneficial effects of improving the fixing and sealing effect of the power line and preventing sealing failure.
Description
Technical Field
The utility model relates to a sealed fixing device of power cord for submerged motor pump.
Background
In the prior art, the power line sealing and fixing device for the submersible electric pump is simple, a motor power supply outgoing line and a floating ball water level switch outgoing line are sleeved by a conical rubber wire protecting sleeve or a T-shaped rubber wire protecting sleeve, the T-shaped rubber wire protecting sleeve is tightened by an upper end cover of a motor and the inner top end of a water pump shell through at least two fastening screws and is axially pressed, deformed and sealed, the conical rubber wire protecting sleeve is independently tightened by a gland through at least two fastening screws and is axially pressed, deformed and sealed, the sealing states are kept by the fastening force of a plurality of fastening screws, however, when the power line sealing and fixing device is produced in batches, if the plurality of fastening screws are unbalanced, the sealing pressure is unbalanced, the sealing effect is easy to generate and is not tight, the water leakage phenomenon occurs after long use time in the future, and in the daily use process, the power supply outgoing line is often lifted by the water pump, or the curved lead-out wire of floater water level switch constantly goes up and down, all can cause the rubber protecting wire cover damaged, and under outside water pressure, inside water will get into the motor from rubber protecting wire cover position, causes the motor trouble easily, so in order to guarantee sealed effect, extension product life need further improve on seal structure and the sealing failure of preventing.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can improve the sealed effect of power cord fixed seal and can prevent sealed for the submerged motor pump power cord sealing fixing device who loses efficacy.
In order to solve the technical problem, the utility model discloses the technical scheme of the sealed fixing device of power cord for the submerged motor pump is: the sealing device comprises a sealing nut, a sealing bolt and a rubber wire protecting sleeve which are sealed and fixed at the position of a motor power line outlet in a submersible electric pump, and is characterized in that: the central screw hole bottom of gland nut has conical sealed face, rubber protecting wire cover is the cavity arrow sagittal, and the arrow head is a conical sealing head, with the cooperation of conical sealed face, the arrow shaft is conical sealing post, sealing bolt have with conical sealing post surface complex toper centre bore, rubber protecting wire cover arranges in gland nut, lets conical sealing head and the cooperation of conical sealed face, and sealing bolt's toper centre bore cover is on conical sealing post, screws in gland nut, makes sealing bolt's tip pressure force conical sealing head bottom end face simultaneously, and conical sealing post surface is being forced with the pressure of toper centre bore, and rubber protecting wire cover is compressed tightly the sealed fixed with power supply lead-out wire clamp.
As one of the preferred technical schemes of the utility model is: and a protective gasket is arranged between the end part of the sealing bolt and the end surface of the bottom of the conical sealing head.
As another preferred technical scheme of the utility model: the sealing nut is welded and fixed on the position of a power line outlet of a motor in the submersible electric pump in a sealing way.
The utility model has the advantages that: the utility model discloses do further improvement to power cord sealing fixing device, adopt seal nut and sealing bolt and rubber protecting wire cover to utilize conical sealed face together to make rubber protecting wire cover to power supply leading-out wire or floater water level switch leading-out wire compact seal and fixed, the messenger applies the sealing pressure of rubber protecting wire cover evenly, sealing effect has been increased, sealed area has also been increased simultaneously and the protection of power supply leading-out wire or floater water level switch leading-out wire root has been strengthened, power supply leading-out wire or floater water level switch leading-out wire root damaged chance that has significantly reduced plays the effect of prevention sealing failure, so the utility model discloses have the beneficial effect that can improve power cord fixed seal effect and can prevent sealed failure.
Drawings
The power line sealing and fixing device for a submersible electric pump according to the present invention will be described in more detail with reference to the accompanying drawings.
Fig. 1 is a cross-sectional view of the power line sealing and fixing device for the submersible electric pump of the present invention when the power line outlet of the motor is fixed in the submersible electric pump.
Fig. 2 is a cross-sectional view of the utility model discloses when the power cord sealing fixing device for submerged motor pump fixes motor power cord outlet position in the submerged motor pump, simultaneously with power supply lead-out wire and floater water level switch lead-out wire clamp seal fixed.
Fig. 3 is a cross-sectional view of a seal nut in the power cord sealing and fixing device for the submersible electric pump of the present invention.
Fig. 4 is a cross-sectional view of the sealing bolt in the power line sealing and fixing device for the submersible electric pump of the present invention.
Fig. 5 is a top view of fig. 4.
Fig. 6 is a cross-sectional view of the rubber wire sheath in the power cord sealing and fixing device for the submersible electric pump of the present invention.
Shown in the figure: sealing nut 1, sealing bolt 2, rubber protecting wire sleeve 3, protecting washer 4, conical sealing surface 5, conical sealing head 6, conical sealing post 7, toper centre bore 8, power lead-out wire 9, floater water level switch lead-out wire 10.
Detailed Description
Shown by fig. 1-6, the utility model discloses power cord sealing fixing device for submerged motor pump's embodiment is: the sealing nut 1, the sealing bolt 2 and the rubber wire protecting sleeve 3 are hermetically fixed at the position of a power line outlet of a motor in the submersible electric pump, as shown in figure 3, a conical sealing surface 5 is arranged at the bottom of a central screw hole of the sealing nut 1, as shown in figure 6, the rubber wire protecting sleeve 3 is in a hollow arrow sagittal shape, an arrow head is a conical sealing head 6 and is matched with the conical sealing surface 5, an arrow handle is a conical sealing column 7, as shown in figures 4-5, the sealing bolt 2 is provided with a conical central hole 8 matched with the outer surface of the conical sealing column 7, the rubber wire protecting sleeve 3 is arranged in the sealing nut 1, the conical sealing head 6 is matched with the conical sealing surface 5, the conical central hole 8 of the sealing bolt 2 is sleeved on the conical sealing column 7 and screwed in the sealing nut 1, and meanwhile, the end part of the sealing bolt 2 presses the bottom end surface of the conical sealing head 6, and the conical central hole 8 presses the outer surface of the conical sealing column 7, and the rubber wire sheath 3 is compressed to clamp, seal and fix the power supply lead-out wire 9 or the floating ball water level switch lead-out wire 10. In this embodiment, the sealing nut 1 may be welded or fastened to the outlet of the power line of the motor in the submersible electric pump by a sealing ring through a bolt, the diameter of the central hole of the rubber wire sheath 3 is in transition fit with the outer diameter of the power lead-out wire 9 or the floating ball water level switch lead-out wire 10, and the sealing nut 1 and the sealing bolt 2 may be made of stainless steel.
As shown in fig. 1 to 2, one of the preferred embodiments of the present invention is: a protective washer 4 is arranged between the end part of the sealing bolt 2 and the bottom end surface of the conical sealing head 6. In this embodiment, the protection washer 4 may be made of metal or plastic, so as to prevent the sealing bolt 2 from damaging the bottom end face of the conical sealing head 6 when being screwed and compressed.
As shown in fig. 1 to 2, the second preferred embodiment of the present invention is: the sealing nut 1 is welded and fixed on the position of a motor power line outlet 11 in the submersible electric pump in a sealing way. In the embodiment, the sealing nut is welded on the position 11 of the power line outlet of the motor in the submersible electric pump more firmly through sealing, so that the external sealing performance of the sealing nut 1 is ensured.
The utility model discloses make further improvement to power cord seal fixing device, adopt gland nut 1 and sealing bolt 2 and rubber protecting wire cover 3 to utilize conical sealed face 5 together to make rubber protecting wire cover 3 to power supply lead-out wire 9 or floater water level switch lead-out wire 10 compress tightly sealed and fixed, it is even to make the sealing pressure who applies rubber protecting wire cover 3, sealing effect has been increased, the protection of power supply lead-out wire 9 or floater water level switch lead-out wire 10 root has also been increased in sealing area and strengthened simultaneously, power supply lead-out wire 9 or the impaired chance in floater water level switch lead-out wire 10 root have significantly reduced, play the sealed effect that loses efficacy of prevention, so the utility model discloses have the beneficial effect that can improve power cord fixed seal effect and can prevent sealed inefficacy.
The above description is only the preferred embodiment of the present invention, and does not constitute the limitation of the protection scope of the present invention, as long as the object of the present invention is implemented by the substantially same means, all should belong to the protection scope of the present invention.
Claims (3)
1. The utility model provides a sealed fixing device of power cord for submerged motor pump, is including sealed seal nut (1) and sealing bolt (2) and rubber protecting wire cover (3) of fixing motor power cord outlet position in the submerged motor pump, its characterized in that: the sealing nut is characterized in that a conical sealing surface (5) is arranged at the bottom of a central screw hole of the sealing nut (1), the rubber wire protecting sleeve (3) is hollow arrow sagittal, an arrow head is a conical sealing head (6) and is matched with the conical sealing surface (5), an arrow handle is a conical sealing column (7), the sealing bolt (2) is provided with a conical central hole (8) matched with the outer surface of the conical sealing column (7), the rubber wire protecting sleeve (3) is arranged in the sealing nut (1) to ensure that the conical sealing head (6) is matched with the conical sealing surface (5), the conical central hole (8) of the sealing bolt (2) is sleeved on the conical sealing column (7) and is screwed in the sealing nut (1), and meanwhile, the end part of the sealing bolt (2) presses and pushes the bottom end surface of the conical sealing head (6) and the conical central hole (8) presses and pushes the outer surface of the sealing conical sealing column (7), the rubber wire sheath (3) is compressed to clamp, seal and fix the power supply lead-out wire.
2. The power line sealing and fixing device for the submersible electric pump according to claim 1, wherein: and a protective gasket (4) is arranged between the end part of the sealing bolt (2) and the end surface of the bottom of the conical sealing head (6).
3. The power line sealing and fixing device for the submersible electric pump according to claim 1, wherein: the sealing nut (1) is fixed on the position of a power line outlet of a motor in the submersible electric pump in a sealing and welding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118575.3U CN214626636U (en) | 2020-12-22 | 2020-12-22 | Power cord sealing and fixing device for submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118575.3U CN214626636U (en) | 2020-12-22 | 2020-12-22 | Power cord sealing and fixing device for submersible electric pump |
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| Publication Number | Publication Date |
|---|---|
| CN214626636U true CN214626636U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023118575.3U Active CN214626636U (en) | 2020-12-22 | 2020-12-22 | Power cord sealing and fixing device for submersible electric pump |
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| Country | Link |
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| CN (1) | CN214626636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833025A (en) * | 2023-01-10 | 2023-03-21 | 中国空气动力研究与发展中心低速空气动力研究所 | Air-tight quick dismounting device for cables in negative pressure environment |
-
2020
- 2020-12-22 CN CN202023118575.3U patent/CN214626636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833025A (en) * | 2023-01-10 | 2023-03-21 | 中国空气动力研究与发展中心低速空气动力研究所 | Air-tight quick dismounting device for cables in negative pressure environment |
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