CN219801855U - Double sealing device for cable of pump submersible motor in mute pipe - Google Patents

Double sealing device for cable of pump submersible motor in mute pipe Download PDF

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Publication number
CN219801855U
CN219801855U CN202320332624.8U CN202320332624U CN219801855U CN 219801855 U CN219801855 U CN 219801855U CN 202320332624 U CN202320332624 U CN 202320332624U CN 219801855 U CN219801855 U CN 219801855U
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China
Prior art keywords
sealing
hole
mounting hole
cable
base
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Active
Application number
CN202320332624.8U
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Chinese (zh)
Inventor
林武仕
魏延诚
张超
李浩然
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Wuxi Kangyu Water Treatment Equipment Co ltd
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Wuxi Kangyu Water Treatment Equipment Co ltd
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Priority to CN202320332624.8U priority Critical patent/CN219801855U/en
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Publication of CN219801855U publication Critical patent/CN219801855U/en
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Abstract

The utility model discloses a double sealing device for a pump submersible motor cable in a mute pipe, which comprises a base, wherein one end of the base is welded with a pump shell, a through hole and a mounting hole are respectively arranged in two ends of the base, the through hole is positioned on the same axis, the through hole is close to the pump shell, the through hole is communicated with the mounting hole, the aperture of the mounting hole is larger than that of the through hole, and a step surface is formed at the joint of the mounting hole and the through hole; the mounting hole is internally provided with a first sealing structure, one end of the base, which is far away from the pump shell, is provided with a second sealing structure, and one end of the second sealing structure is abutted with one end of the first sealing structure. The utility model adopts the first sealing structure and the second sealing structure, double sealing is realized, the sealing effect is better, and the utility model is safer and more reliable.

Description

Double sealing device for cable of pump submersible motor in mute pipe
Technical Field
The utility model relates to the field of pump-in-pipe motor sealing devices, in particular to a cable double sealing device of a pump-in-pipe submersible motor.
Background
The existing pump submerged motor in the mute pipe has four inches and six inches of two sizes, the four inches of motors are matched with four round cables, the six inches of motors are matched with flat cables, the leading-out wiring of the motor cables needs to be sealed, the existing sealing structure comprises a base with a groove, a silica gel sealing ring and a sealing seat, external threads are arranged on the base, a pressing plate is connected to the external threads in a threaded manner, the pressing of the silica gel sealing ring is achieved through adjusting the position of the pressing plate, the sealing structure is complex, the cost is high, and single-layer sealing is easy to leak water.
Disclosure of Invention
The utility model aims to provide a double sealing device for a cable of a pump submersible motor in a mute pipe.
The utility model has the innovation points that the first sealing structure and the second sealing structure are adopted for double sealing, so that the sealing effect is good, and the safety and the reliability are high.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the double sealing device for the pump submersible motor cable in the mute pipe comprises a base, wherein one end of the base is welded with a pump shell, a through hole and a mounting hole are respectively arranged in two ends of the base, the through hole is positioned on the same axis, the through hole is close to the pump shell, the through hole is communicated with the mounting hole, the aperture of the mounting hole is larger than that of the through hole, and a step surface is formed at the joint of the mounting hole and the through hole; the mounting hole is internally provided with a first sealing structure, one end of the base, which is far away from the pump shell, is provided with a second sealing structure, and one end of the second sealing structure is abutted with one end of the first sealing structure. Adopt first seal structure and second seal structure, double seal has realized keeping apart pump area pressure water in the silence pipe and cable to guarantee water supply safety, seal structure is simple, and sealed effectual, with low costs, easy to assemble.
Preferably, the first sealing structure comprises a sealing ring and a pressing plate which are sequentially arranged, the sealing ring is located on the step surface, and a first cable hole is formed in the middle of the pressing plate in a penetrating mode. The sealing ring is pressed on the step surface of the base by the pressing plate, so that the cable is sealed.
Preferably, the second sealing structure comprises a sealing block, a sealing seat, a pressing disc and a plurality of locking screws, wherein a connecting plate vertically extends on the outer side wall of one end of the base, which is far away from the pump shell, the sealing block is positioned in the mounting hole, one end of the sealing seat is positioned in the mounting hole and is abutted against the sealing block, the other end of the sealing seat penetrates out of the mounting hole, a stop block is arranged on the outer circumference of the sealing seat, the pressing disc is sleeved on the sealing seat, one end of the sealing seat is abutted against one end of the sealing seat, which is far away from the base, a plurality of screw holes in one-to-one correspondence are formed in the connecting plate and the pressing disc, each locking screw is in threaded connection with the screw holes, a nut of the locking screw is abutted against the pressing disc, and a second cable hole coaxial with the first cable hole is formed in the sealing block and the sealing seat. One end of the sealing seat is positioned in the mounting hole, plays a guiding role, and the other end of the sealing seat is in clearance fit with the pressing disc, so that the pressing disc and the sealing seat are pushed by the locking screw to press the sealing block together, the phenomenon that the sealing is not tight due to the deflection of the sealing seat is avoided, and further the secondary sealing effect is achieved.
Preferably, the sealing ring is a silica gel O-shaped ring. The silica gel O-shaped ring has good compression deformation capability, and under the action of the locking screw, the pretightening force of the sealing seat on the sealing ring can be improved, so that the sealing effect is improved.
Preferably, the sealing block is made of silica gel. The sealing block made of the silica gel material is high in toughness and elasticity, when the sealing block is installed in the installation hole, the sealing block is expanded and tightly abutted against the inner side wall of the installation hole, so that external impurities, rainwater and the like cannot easily enter from the joint of the sealing block and the base, and the sealing effect is further improved.
The beneficial effects of the utility model are as follows:
1. the first sealing structure and the second sealing structure are adopted for double sealing, so that the pump water with pressure in the mute pipe is isolated from the cable, the water supply safety is ensured, the sealing structure is simple, the sealing effect is good, the cost is low, and the installation is convenient; the pressing plate in the first sealing structure presses the sealing ring on the step surface of the base to realize cable sealing; in the second sealing structure, the pressing disc and the sealing seat are pushed by the locking screw to press the sealing block together, so that the phenomenon of sealing inaccuracy caused by deflection of the sealing seat is avoided, and the secondary sealing effect is further achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure:
1. a base; 11. a through hole; 12. a mounting hole; 13. a connecting plate; 2. a first sealing structure; 21. a seal ring; 22. a pressing plate; 23. a first cable hole; 3. a second seal hole; 31. a sealing block; 32. a sealing seat; 33. a pressing plate; 34. a locking screw; 4. a stop block; 5. a second cable hole; 6. a pump housing; 7. glabra head.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in figure 1, the double sealing device for the submersible motor cable of the pump in the mute pipe comprises a base 1, one end of the base 1 is welded with a pump shell 6, a through hole 11 and a mounting hole 12 which are positioned on the same axis and are mutually communicated are respectively arranged in two ends of the base 1, and the through hole 11 is close to the pump shell 6; the aperture of the mounting hole 12 is larger than that of the through hole 11, and a step surface is formed at the joint of the mounting hole 12 and the through hole 11.
As shown in fig. 1, a first sealing structure 2 is arranged in the mounting hole 12, the first sealing structure 2 comprises a sealing ring 21 and a pressing plate 22 which are sequentially arranged, the sealing ring 21 is positioned on the step surface, a first cable hole 23 is penetrated in the middle of the pressing plate 22, and the sealing ring 21 is a silica gel O-shaped ring.
As shown in fig. 1, a second sealing structure is arranged at one end of the base 1 far away from the pump shell 6, the second sealing structure comprises a sealing block 31, a sealing seat 32, a pressing disc 33 and a plurality of locking screws 34, a connecting plate 13 vertically extends on the outer side wall of one end of the base 1 far away from the pump shell 6, the sealing block 31 is made of silica gel and is arranged in the mounting hole 12, one end of the sealing seat 32 is positioned in the mounting hole 12 and is abutted with the sealing block 31, the other end of the sealing seat 32 penetrates out of the mounting hole 12, second cable holes 5 coaxial with the first cable holes 23 are formed in the sealing block 31 and the sealing seat 32, a rear cavity communicated with the second cable holes 5 is formed at one end of the sealing seat 32 far away from the sealing block 31, and a gram head 7 for mounting cables is arranged in the rear cavity; the sealing seat 32 is provided with the dog 4 on wearing out the outer circumference of mounting hole 12, and the tight disc 33 cover is established on the sealing seat 32 and one end and the one end butt that the base 1 was kept away from to the dog 4, all is equipped with a plurality of screw holes along its circumference evenly spaced on connecting plate 13 and the tight disc 33, and the screw hole one-to-one and the size on connecting plate 13 and the tight disc 33 are the same, and the screw hole of tight disc 33 and connecting plate 13 is passed in proper order to the pole portion of each locking screw 34, and the nut and the tight disc 33 butt of locking screw 34 are provided with four.
The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (5)

1. The double sealing device for the cable of the pump submersible motor in the mute pipe comprises a base with one end welded with a pump shell, and is characterized in that,
the two ends of the base are respectively provided with a through hole and a mounting hole which are positioned on the same axis, the through holes are close to the pump shell, the through holes are communicated with the mounting holes, the aperture of the mounting holes is larger than that of the through holes, and step surfaces are formed at the joints of the mounting holes and the through holes;
the mounting hole is internally provided with a first sealing structure, one end of the base, which is far away from the pump shell, is provided with a second sealing structure, and one end of the second sealing structure is abutted with one end of the first sealing structure.
2. The silent pipe pump submersible motor cable double seal of claim 1, wherein,
the first sealing structure comprises a sealing ring and a pressing plate which are sequentially arranged, the sealing ring is located on the step surface, and a first cable hole is communicated in the middle of the pressing plate.
3. The silent pipe pump submersible motor cable double seal of claim 2, wherein,
the second seal structure includes sealing block, sealing seat, gland plate, a plurality of locking screw, it has the connecting plate to extend perpendicularly on the one end lateral wall of pump case to keep away from to the base, the sealing block is located the mounting hole, sealing seat one end is located the mounting hole and seals the butt of block, and the mounting hole is worn out to the other end, the sealing seat wears to be provided with the dog on the outer circumference of mounting hole, the one end butt of keeping away from the base with the dog is established to the gland plate cover, a plurality of one-to-one screw holes have been seted up on connecting plate and the gland plate, each locking screw and screw hole threaded connection, and locking screw's nut and gland plate butt, set up on sealing block and the sealing seat with first cable hole coaxial line the second cable hole.
4. The silent pipe pump submersible motor cable double seal of claim 2, wherein,
the sealing ring is a silica gel O-shaped ring.
5. A mute in-pipe pump submersible motor cable double sealing device according to claim 3, wherein,
the sealing block is made of silica gel.
CN202320332624.8U 2023-02-28 2023-02-28 Double sealing device for cable of pump submersible motor in mute pipe Active CN219801855U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320332624.8U CN219801855U (en) 2023-02-28 2023-02-28 Double sealing device for cable of pump submersible motor in mute pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320332624.8U CN219801855U (en) 2023-02-28 2023-02-28 Double sealing device for cable of pump submersible motor in mute pipe

Publications (1)

Publication Number Publication Date
CN219801855U true CN219801855U (en) 2023-10-03

Family

ID=88156694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320332624.8U Active CN219801855U (en) 2023-02-28 2023-02-28 Double sealing device for cable of pump submersible motor in mute pipe

Country Status (1)

Country Link
CN (1) CN219801855U (en)

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