CN213185460U - Cable outlet structure of submersible axial flow pump - Google Patents
Cable outlet structure of submersible axial flow pump Download PDFInfo
- Publication number
- CN213185460U CN213185460U CN202022335997.XU CN202022335997U CN213185460U CN 213185460 U CN213185460 U CN 213185460U CN 202022335997 U CN202022335997 U CN 202022335997U CN 213185460 U CN213185460 U CN 213185460U
- Authority
- CN
- China
- Prior art keywords
- notch
- sealing ring
- wire
- tightening piece
- water pump
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a dive axial-flow pump cable outlet structure, including water pump shell and the wire hole of setting on water pump shell, the hole body of the wire hole on the water pump shell comprises first notch, second notch and third notch combination, and first notch is a cylindrical notch, and the bottom surface of second notch for seting up at first notch, and the third notch is for seting up the bottom surface at the second notch, and the third notch is for running through water pump shell completely, and the notch diameter of first notch, second notch and third notch reduces in proper order, is provided with tight line spare among its notch. The utility model discloses set up the tight line spare in the wire hole on the water pump shell, the embedding is provided with first sealing ring between the inner chamber lateral wall of tight line spare and cable to be provided with the second sealing ring between the lateral wall of tight line spare and the inside wall of first notch, thereby realize that convenient dismantlement of cable junction is fixed, the maintainer of being convenient for maintains its position department.
Description
Technical Field
The utility model relates to a dive axial-flow pump cable outlet structure.
Background
The axial-flow pump is characterized by that it utilizes the action force produced by blade of rotating impeller to make liquid be transferred along the axial direction, and possesses several kinds of vertical type, horizontal type, oblique type and cross-flow type, in which the motor for driving water pump in the submerged axial-flow pump is a dry fully-closed submerged three-phase asynchronous motor, and can be immersed in water for a long period of time, so that it possesses a series of incomparable advantages of traditional machine set, so that it can be extensively used, but the cable outlet position of traditional submerged axial-flow pump is used for ensuring the sealing property between its cable body and pump body shell, and the cable body of cable root portion can not be disassembled and replaced, so that when the external cable outlet of submerged axial-flow pump is damaged, the maintenance personnel can only cut external cable, then make connection, and can wind and wrap the cable head position by means of electric tape, but because the electric tape is soaked in water body for a long period of, the tape can be curled, and even the electric leakage phenomenon can occur in serious cases, thereby leaving potential safety hazards.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, safe and reliable's dive axial-flow pump cable outlet structure.
The utility model provides a technical scheme of above-mentioned problem is: a cable outlet structure of a submersible axial-flow pump comprises a water pump shell and a wire outlet hole arranged on the water pump shell, wherein a hole body of the wire outlet hole on the water pump shell is formed by combining a first notch, a second notch and a third notch, the first notch is a cylindrical notch, the second notch is the bottom surface of the first notch, the third notch is the bottom surface of the second notch, the third notch completely penetrates through the water pump shell, the diameters of the first notch, the second notch and the third notch are sequentially reduced, a wire tightening piece is arranged in the first notch, a cable penetrates through an inner cavity of the wire tightening piece, a first sealing ring is embedded between the side wall of the inner cavity of the wire tightening piece and the cable, a second sealing ring is arranged between the outer side wall of the wire tightening piece and the inner side wall of the first notch, a first internal thread is arranged on the side wall of the second notch, a support ring is fixedly welded on the bottom surface of the second notch, the support ring is of a circular tube structure, and the inner diameter of the circular tube is larger than the diameter of the notch of the third notch.
Above-mentioned dive axial-flow pump cable outlet structure, the tight line spare is a section of tubular structure, and the mid portion of body is the round platform form, and both ends are cylindricly, and great diameter end sets up for the inboard towards the wire hole, has seted up first external screw thread on the lateral wall of tight line spare medial extremity, has seted up the second external screw thread on the lateral wall of tight line spare outside end.
Above-mentioned dive axial-flow pump cable outlet structure, first external screw thread and first internal thread phase-match, the first internal thread department of fastener for through first external screw thread fixed mounting on it on the second notch lateral wall.
Above-mentioned dive axial-flow pump cable outlet structure, first sealing ring is right trapezoid's ring structure for the cross-section, and first sealing ring outside inclined plane sets up for the inside wall of laminating tight line spare, the second sealing ring is right trapezoid's ring structure for the cross-section, and the inclined plane sets up for the lateral wall of laminating tight line spare, and first sealing ring, second sealing ring are rubber seal ring, the medial extremity of first sealing ring is for supporting the outside end at the support ring, and the outside end of second sealing ring carries out spacing fixedly through the set nut of second external screw thread department on the tight line spare.
The utility model has the advantages that:
1. the utility model discloses set up the tight line spare in the wire hole on the water pump shell, the embedding is provided with first sealing ring between the inner chamber lateral wall of tight line spare and cable, and is provided with the second sealing ring between the lateral wall of tight line spare and the inside wall of first notch to realize the convenient dismantlement of cable junction and fix, the maintainer of being convenient for maintains its position department;
2. the utility model discloses set the middle-end of tight line spare to the round platform form to all set first sealing ring, second sealing ring to the cross-section and be the sealing ring structure of right angle trapezoidal form, thereby form the counterbalance effect through the inclined plane of first sealing ring, second sealing ring and the inclined plane of the interior lateral wall of tight line spare, guarantee the leakproofness of its junction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a half-sectional view of the present invention.
Fig. 3 is an enlarged schematic view of a structure in fig. 2.
Fig. 4 is the schematic diagram of the structure in the wire outlet hole of the present invention.
Fig. 5 is an enlarged view of the structure at B in fig. 4.
Fig. 6 is a schematic view of the structure of the fastener.
In the figure: the water pump comprises a water pump shell 1, a cable 2, a first notch 3, a second notch 4, a third notch 5, a support ring 6, a tightening wire 7, a first external thread 8, a second external thread 9, a first sealing ring 10, a second sealing ring 11 and a positioning nut 12.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-6, a cable outlet structure of a submersible axial-flow pump comprises a water pump housing 1 and a cable outlet hole arranged on the water pump housing 1, wherein a hole body of the cable outlet hole on the water pump housing 1 is formed by combining a first notch 3, a second notch 4 and a third notch 5, the first notch 3 is a cylindrical notch, the second notch 4 is a bottom surface arranged on the first notch 3, the third notch 5 is a bottom surface arranged on the second notch 4, the third notch 5 completely penetrates through the water pump housing 1, the diameters of the notches of the first notch 3, the second notch 4 and the third notch 5 are sequentially reduced, a wire tightening piece 7 is arranged in the first notch 3, a cable 2 passes through an inner cavity of the wire tightening piece 7, a first sealing ring 10 is embedded between the side wall of the inner cavity of the wire tightening piece 7 and the cable 2, a second sealing ring 11 is arranged between the outer side wall of the wire tightening piece 7 and the inner side wall of the first notch 3, first internal thread has been seted up on the lateral wall of second notch 4, fixed welding has support ring 6 on the bottom surface of second notch 4, support ring 6 is a section pipe structure, the internal diameter of its body is greater than the notch diameter of third notch 5, through set up tight line piece 7 in the wire hole on water pump housing 1, and be provided with first sealing ring 10 through the embedding between the inner chamber lateral wall of tight line piece 7 and cable 2, and be provided with second sealing ring 11 between the lateral wall of tight line piece 7 and the inside wall of first notch 3, thereby it is fixed to realize convenient the dismantlement of cable junction, thereby the maintainer of being convenient for maintains its position department.
The wire tightening piece 7 is of a pipe body structure, the middle part of the pipe body is in a round table shape, two ends of the pipe body are cylindrical, a larger-diameter end is arranged towards the inner side of the wire outlet hole, a first external thread 8 is arranged on the outer side wall of the inner side end of the pipe body, and a second external thread 9 is arranged on the outer side wall of the outer side end of the pipe body;
the first external thread 8 is matched with the first internal thread, and the wire tightening piece 7 is fixedly arranged at the first internal thread on the side wall of the second notch 4 through the first external thread 8 on the wire tightening piece;
the first sealing ring 10 is a circular ring structure with a right trapezoid cross section, the outer side inclined plane of the first sealing ring 10 is arranged for being attached to the inner side wall of the wire tightening piece 7, the second sealing ring 11 is a circular ring structure with a right trapezoid cross section, the inclined plane is arranged for being attached to the outer side wall of the wire tightening piece 7, the first sealing ring 10 and the second sealing ring 11 are both rubber sealing rings, the inner side end of the first sealing ring 10 is abutted to the outer side end of the support ring 6, the outer side end of the second sealing ring 11 is limited and fixed through a positioning nut 12 at a second external thread 9 on the wire tightening piece 7, by arranging the middle end of the wire tightening piece 7 into a circular truncated cone shape and arranging the first sealing ring 10 and the second sealing ring 11 into sealing ring structures with right trapezoid cross sections, therefore, the inclined surfaces of the first sealing ring 10 and the second sealing ring 11 and the inclined surfaces of the inner side wall and the outer side wall of the wire tightening piece 7 form a propping effect, and the sealing performance of the connection part is ensured;
the working principle is as follows: in practical use, a worker firstly sleeves the cable 2 with the second sealing ring 11 facing the cable 2, then penetrates the cable 2 from the inner cavity of the wire tightening member 7, ensures that the first internal thread 8 of the wire tightening member 7 is arranged facing the cable segment, then sleeves the cable 2 with the inclined surface of the first sealing ring 10 facing the wire tightening member 7, inserts the inclined surface into a gap between the cable 2 and the wire tightening member 7, then plugs the inclined surface into the wire outlet hole, tightly tightens the wire tightening member 7 through the sharp-nose clamp, and screws the inclined surface onto the first internal thread through the first external thread 8, so that the inclined surface abuts against the first sealing ring 10 through the support ring 6 to seal the first sealing ring 10, then inserts the second sealing ring 11 into a hole body between the wire tightening member 7 and the wire outlet hole, and then positions and fixes the second sealing ring 11 through the positioning nut 12, thereby, the second sealing ring 11 is extruded and deformed, so that a sealing structure is formed, and the sealing performance of the joint of the second sealing ring is ensured.
Claims (4)
1. The utility model provides a dive axial-flow pump cable outlet structure, includes water pump housing (1) and the wire hole of setting on water pump housing (1), its characterized in that: the hole body of the wire outlet hole on the water pump shell (1) is formed by combining a first notch (3), a second notch (4) and a third notch (5), the first notch (3) is a cylindrical notch, the second notch (4) is arranged on the bottom surface of the first notch (3), the third notch (5) is arranged on the bottom surface of the second notch (4), the third notch (5) completely penetrates through the water pump shell (1), the diameters of the first notch (3), the second notch (4) and the third notch (5) are sequentially reduced, a wire tightening piece (7) is arranged in the first notch (3), a cable (2) passes through the inner cavity of the wire tightening piece (7), a first sealing ring (10) is embedded between the inner cavity side wall of the wire tightening piece (7) and the cable (2), and a second sealing ring (11) is arranged between the outer side wall of the wire tightening piece (7) and the inner side wall of the first notch (3), a first internal thread is formed in the side wall of the second notch (4), a support ring (6) is fixedly welded on the bottom surface of the second notch (4), the support ring (6) is of a section of circular tube structure, and the inner diameter of the circular tube is larger than the diameter of the notch of the third notch (5).
2. The submersible axial flow pump cable outlet structure according to claim 1, characterized in that: the wire tightening piece (7) is of a pipe body structure, the middle part of the pipe body is in a round table shape, two ends of the pipe body are cylindrical, a larger diameter end is arranged towards the inner side of the wire outlet hole, a first external thread (8) is arranged on the outer side wall of the inner side end of the wire tightening piece (7), and a second external thread (9) is arranged on the outer side wall of the outer side end of the wire tightening piece (7).
3. The submersible axial flow pump cable outlet structure according to claim 2, characterized in that: the first external thread (8) is matched with the first internal thread, and the wire tightening piece (7) is fixedly arranged at the first internal thread on the side wall of the second notch (4) through the first external thread (8) on the wire tightening piece.
4. The submersible axial flow pump cable outlet structure according to claim 1, characterized in that: first sealing ring (10) are right trapezoid's ring structure for the cross-section, and first sealing ring (10) outside inclined plane sets up for the inside wall of laminating binding wire spare (7), second sealing ring (11) are right trapezoid's ring structure for the cross-section, and the inclined plane sets up for the lateral wall of laminating binding wire spare (7), and first sealing ring (10), second sealing ring (11) are rubber seal ring, the medial extremity of first sealing ring (10) is for supporting the outside end at support ring (6), and the outside end of second sealing ring (11) carries out spacing fixedly through set nut (12) of second external screw thread (9) department on binding wire spare (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335997.XU CN213185460U (en) | 2020-10-20 | 2020-10-20 | Cable outlet structure of submersible axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335997.XU CN213185460U (en) | 2020-10-20 | 2020-10-20 | Cable outlet structure of submersible axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213185460U true CN213185460U (en) | 2021-05-11 |
Family
ID=75779258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022335997.XU Active CN213185460U (en) | 2020-10-20 | 2020-10-20 | Cable outlet structure of submersible axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213185460U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898083A (en) * | 2021-11-25 | 2022-01-07 | 中建八局第二建设有限公司 | FS (cast-in-place concrete) outer formwork cast-in-place concrete composite heat insulation system and construction method |
| CN115663689A (en) * | 2022-12-27 | 2023-01-31 | 山西格睿科技有限公司 | Electric power installation stringing equipment |
-
2020
- 2020-10-20 CN CN202022335997.XU patent/CN213185460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898083A (en) * | 2021-11-25 | 2022-01-07 | 中建八局第二建设有限公司 | FS (cast-in-place concrete) outer formwork cast-in-place concrete composite heat insulation system and construction method |
| CN115663689A (en) * | 2022-12-27 | 2023-01-31 | 山西格睿科技有限公司 | Electric power installation stringing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213185460U (en) | Cable outlet structure of submersible axial flow pump | |
| KR200449653Y1 (en) | Underwater moter pump equipment | |
| CN101271182A (en) | Joint box sealing device adopting screw cap rotating impacted sealing ring automatic enclasping optical fibre cable | |
| CN106287039A (en) | A kind of assembling pipe joint of fast demountable | |
| KR100924946B1 (en) | Underwater moter pump equipment and cable protecting apparatus thereof | |
| CN214063138U (en) | Pipeline connecting device with adjusting and leakage detecting functions for gas turbine | |
| CN213879164U (en) | Wind power generation connecting pipeline flange plate | |
| CN211743954U (en) | Electrician's bushing elbow | |
| CN206329454U (en) | The threading structure of cable in a kind of main shaft in wind power generating set | |
| CN107061188B (en) | Threading structure and threading method for cable in main shaft of wind generating set | |
| CN220544650U (en) | Cable protection tube convenient to splice | |
| CN205447022U (en) | Connecting device | |
| CN201017075Y (en) | Joint box sealing device rotary compacting sealed ring and automatically enclasping optic cable by cap nut | |
| CN213206013U (en) | Multistage high-lift single-suction submersible electric pump | |
| CN209897480U (en) | Electric control system of marine low-speed diesel engine | |
| CN206364640U (en) | The rubber double sealing structure of submersible machine cable | |
| CN213950683U (en) | Jacking device for water treatment reverse osmosis pipe and water pipe | |
| CN213443052U (en) | Improved mounting device of telescopic propeller | |
| CN217036624U (en) | Waterproof inner core of elbow | |
| CN209761857U (en) | Fan guard shield | |
| CN215645974U (en) | Submarine cable center positioning fixture | |
| CN220687412U (en) | Steam turbine bearing box prevents into water vapour device | |
| CN218671013U (en) | Ceramic flange with good sealing performance | |
| CN211332046U (en) | Mining upright post guide sleeve dismounting machine | |
| CN219082561U (en) | External thread joint for plastic pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |