CN112682346A - Immersible pump cable inlet wire seal structure - Google Patents
Immersible pump cable inlet wire seal structure Download PDFInfo
- Publication number
- CN112682346A CN112682346A CN202011612271.4A CN202011612271A CN112682346A CN 112682346 A CN112682346 A CN 112682346A CN 202011612271 A CN202011612271 A CN 202011612271A CN 112682346 A CN112682346 A CN 112682346A
- Authority
- CN
- China
- Prior art keywords
- sheath
- funnel
- head
- shaped hole
- sheath head
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of sealing structures, and particularly discloses a submersible pump cable inlet wire sealing structure. The sealing device is simple in structure and convenient to operate, the wire joint is sealed through the sealing block, the sealing effect is improved in a matched compression mode, the sealing requirement is met, and the sealing device is convenient to use.
Description
Technical Field
The invention belongs to the technical field of sealing structures, and particularly relates to a cable inlet wire sealing structure of a submersible pump.
Background
Immersible pump terminal box in-process that uses needs seal treatment to the inlet wire cable, immersible pump terminal box inlet wire cable seal structure that nuclear power scene used at present all adopts the sealed form of traditional housing bolt cooperation rubber packing pad crimping, because it is relatively poor to seal the effect through using rubber packing pad, and the rubber pad uses for a long time and appears ageing easily and lead to sealed inefficacy, rubber packing pad inefficacy also can accelerate in high temperature aquatic, rubber insulation cable soaks for a long time in aqueous also can lead to insulating inefficacy simultaneously.
In summary, it is necessary to design a new cable inlet sealing structure for a submersible pump to solve the above problems.
Disclosure of Invention
The invention aims to provide a cable inlet wire sealing structure of a submersible pump, which seals a connector lug through a copper sealing block.
The technical scheme of the invention is as follows:
a submersible pump cable inlet wire sealing structure is used for leading a cable into a junction box and effectively isolating external media from permeating;
the device comprises a funnel-shaped hole, a sheath, a first sheath head, a sealing block, a second sheath head and a compression bolt;
a funnel-shaped hole is formed in the inner wall of one side of the junction box cover, and a sheath is arranged in the funnel-shaped hole;
one end of the sheath extends into the junction box cover, and the other end of the sheath extends to the outside of the junction box cover;
the diameter of one end of the funnel-shaped hole close to the inner part of the junction box cover is smaller;
a first sheath head, a sealing block and a second sheath head are sequentially arranged in the funnel-shaped hole from the end with the smaller diameter to the end with the larger diameter;
the first sheath head movably penetrates through the funnel-shaped hole and is fixedly sleeved on the sheath;
the sealing block is movably arranged in the funnel-shaped hole in a penetrating manner and movably sleeved on the sheath, and one side of the sealing block is movably contacted with the first sheath head;
the second sheath head movably penetrates through the funnel-shaped hole and is movably sleeved on the sheath, and the second sheath head is movably contacted with the other side of the sealing block;
the inner side of the end with the larger diameter of the funnel-shaped hole is provided with internal threads which are connected with the compression bolt through threads, and the head of the compression bolt is positioned outside the end with the larger diameter of the funnel-shaped hole;
a first circular hole is formed in the center of the compression bolt, the sheath penetrates through the first circular hole, and the top end of the screw rod of the compression bolt is in contact with the second sheath head;
the cable passes through the sheath and is communicated with the inside and the outside of the junction box cover.
The first sheath head and the second sheath head are both of a cylinder brim structure and are composed of a sleeve and an outer swing brim connected with the sleeve;
the sleeve of the first sheath head movably penetrates through the funnel-shaped hole and is fixedly sleeved on the sheath;
one side of the sealing block is movably contacted with the inner side of the brim of the first sheath head;
the sleeve of the second sheath head movably penetrates through the funnel-shaped hole and is movably sleeved on the sheath, and the inner side of the brim of the second sheath head is movably contacted with the other side of the sealing block;
and the top end of the screw rod of the compression bolt is in contact with the outer side of the brim of the second sheath head.
The sleeve of the second sheath head is positioned in the first circular hole.
The cable line is a multi-core cable line, and an insulating bush is sleeved on the cable line.
The sheath is an armored metal sheath.
The sealing block is in a shape of a cake ring.
The sealing block is made of copper.
The junction box further comprises a handle, and the handle is fixedly installed on the junction box cover.
When the second sheath head is used, the pressing bolt is made to move towards the inner part of the funnel-shaped hole by rotating the pressing bolt, and then the pressing bolt extrudes the second sheath head; when the pressing bolt cannot be further fastened, stopping rotating the pressing bolt, and fixing the first sheath head, the sealing block and the second sheath head; the sealing block forms reliable sealing with the contact surface of the sheath due to extrusion, and the first sheath head forms reliable sealing with the contact surface of the funnel-shaped hole due to extrusion, so that the sealing effect is achieved.
The invention has the following remarkable effects:
the copper sealing block is used for sealing the connector lug, the sealing effect is improved by matching with a compression mode, the phenomena of aging damage and insulation failure are prevented, the sealing requirement is met, and the copper sealing block is convenient to use.
Drawings
FIG. 1 is a schematic view of a seal structure;
fig. 2 is an enlarged schematic view of a structure in fig. 1.
In the figure: 1, a junction box cover; 2, a handle; 3, a funnel-shaped hole; 4, sheathing; 5 a first sheath head; 6, sealing the block; 7 a second sheath head; 8, pressing a bolt; 9 a first circular hole; 10 cable wires; 11 insulating the bushing.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
The utility model provides a immersible pump cable inlet wire seal structure for inside leading into the terminal box through reliable sealed combination with cable conductor 10, effectively keep apart the infiltration of outside medium, including handle 2, funnel shape hole 3, sheath 4, first sheath head 5, sealed piece 6, second sheath head 7, housing bolt 8.
As shown in fig. 1, the handle 2 is fixedly arranged on the junction box cover 1.
As shown in fig. 2, a funnel-shaped hole 3 is formed on an inner wall of one side of the junction box cover 1, and a sheath 4 is arranged in the funnel-shaped hole 3. The sheath 4 is an armored metal sheath, one end of the sheath extends to the inside of the junction box cover 1, and the other end of the sheath extends to the outside of the junction box cover 1.
The funnel-shaped hole 3 is smaller in diameter close to one end inside the junction box cover 1.
In the funnel-shaped hole 3, a first sheath head 5, a sealing block 6 and a second sheath head 7 are sequentially arranged from the end with the smaller diameter to the end with the larger diameter.
The first sheath head 5 and the second sheath head 7 are both of a barrel peak structure and are composed of a sleeve and an outer swing brim connected with the sleeve.
The sleeve of the first sheath head 5 is movably arranged in the funnel-shaped hole 3 in a penetrating manner and fixedly sleeved on the sheath 4;
the sealing block 6 is in a shape of a cake ring and made of copper, movably penetrates through the funnel-shaped hole 3 and is movably sleeved on the sheath 4, and one side of the sealing block 6 is movably contacted with the inner side of the brim of the first sheath head 5;
the sleeve of the second sheath head 7 is movably arranged inside the funnel-shaped hole 3 in a penetrating manner and movably sleeved on the sheath 4, and the inner side of the brim of the second sheath head 7 is movably contacted with the other side of the sealing block 6.
The inside in the great one end of funnel shape hole 3 diameter is equipped with the internal thread, passes through threaded connection with clamp bolt 8, and clamp bolt 8's head is located the outside in the great one end of funnel shape hole 3 diameter.
First circular port 9 has been seted up to clamp bolt 8's central point, and first circular port 9 is passed to sheath 4, and the sleeve of second sheath head 7 is located first circular port 9 and clamp bolt 8's screw rod top and the brim of a hat outside contact of second sheath head 7.
The cable 10 is a multi-core cable, and an insulating bush 11 is sleeved on the cable 10. The cable 10 passes through the sheath 4 to communicate the inside and the outside of the junction box cover 1.
When the device is used, the pressing bolt 8 is rotated to move towards the inner part of the funnel-shaped hole 3, so that the pressing bolt 8 extrudes the second sheath head 7; when the hold-down bolt 8 cannot be further fastened, stopping rotating the hold-down bolt 8, so that the first sheath head 5, the sealing block 6 and the second sheath head 7 are fixed; the copper sealing block 6 forms reliable sealing with the contact surface of the sheath 4 due to extrusion, and the first sheath head 5 forms reliable sealing with the contact surface of the funnel-shaped hole 3 due to extrusion, so that the sealing effect is achieved.
The sealing device is simple in structure and convenient to operate, the sealing block 6 is used for sealing the sheath 4, the sealing effect is improved in a pressing manner, the phenomena of aging damage and insulation failure are prevented, the use requirement is met, and the use is facilitated.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a immersible pump cable inlet wire seal structure which characterized in that: the cable connector is used for introducing a cable (10) into the junction box, and effectively isolating external medium infiltration;
comprises a funnel-shaped hole (3), a sheath (4), a first sheath head (5), a sealing block (6), a second sheath head (7) and a compression bolt (8);
a funnel-shaped hole (3) is formed in the inner wall of one side of the junction box cover (1), and a sheath (4) is arranged in the funnel-shaped hole (3);
one end of the sheath (4) extends to the inside of the junction box cover (1), and the other end of the sheath extends to the outside of the junction box cover (1);
the diameter of one end of the funnel-shaped hole (3) close to the inner part of the junction box cover (1) is smaller;
a first sheath head (5), a sealing block (6) and a second sheath head (7) are sequentially arranged in the funnel-shaped hole (3) from the end with the smaller diameter to the end with the larger diameter;
the first sheath head (5) is movably arranged in the funnel-shaped hole (3) in a penetrating way and fixedly sleeved on the sheath (4);
the sealing block (6) is movably arranged in the funnel-shaped hole (3) in a penetrating manner and movably sleeved on the sheath (4), and one side of the sealing block (6) is movably contacted with the first sheath head (5);
the second sheath head (7) is movably arranged in the funnel-shaped hole (3) in a penetrating manner and movably sleeved on the sheath (4), and the second sheath head (7) is movably contacted with the other side of the sealing block (6);
the inner side of the end with the larger diameter of the funnel-shaped hole (3) is provided with internal threads which are connected with the compression bolt (8) through threads, and the head of the compression bolt (8) is positioned outside the end with the larger diameter of the funnel-shaped hole (3);
a first circular hole (9) is formed in the center of the compression bolt (8), the sheath (4) penetrates through the first circular hole (9), and the top end of a screw rod of the compression bolt (8) is in contact with a second sheath head (7);
the cable (10) passes through the sheath (4) and is communicated with the inside and the outside of the junction box cover (1).
2. The submersible pump cable inlet wire seal structure of claim 1, characterized in that: the first sheath head (5) and the second sheath head (7) are both of a barrel brim structure and are composed of a sleeve and an outer swing brim connected with the sleeve;
the sleeve of the first sheath head (5) is movably arranged in the funnel-shaped hole (3) in a penetrating manner and fixedly sleeved on the sheath (4);
one side of the sealing block (6) is movably contacted with the inner side of the brim of the first sheath head (5);
the sleeve of the second sheath head (7) is movably arranged in the funnel-shaped hole (3) in a penetrating manner and movably sleeved on the sheath (4), and the inner side of the brim of the second sheath head (7) is movably contacted with the other side of the sealing block (6);
the top end of the screw rod of the compression bolt (8) is in contact with the outer side of the brim of the second sheath head (7).
3. The submersible pump cable inlet wire seal structure of claim 2, characterized in that: the sleeve of the second sheath head (7) is positioned in the first circular hole (9).
4. The submersible pump cable inlet wire seal structure of claim 1, characterized in that: the cable (10) is a multi-core cable, and an insulating bush (11) is sleeved on the cable (10).
5. The submersible pump cable inlet wire seal structure of claim 1, characterized in that: the sheath (4) is an armored metal sheath.
6. The submersible pump cable inlet wire seal structure of claim 1, characterized in that: the sealing block (6) is in a shape of a cake ring.
7. The submersible pump cable inlet wire seal structure of claim 1, characterized in that: the sealing block (6) is made of copper.
8. The submersible pump cable inlet wire seal structure of claim 1, characterized in that: still include handle (2), handle (2) fixed mounting on junction box cover (1).
9. A submersible pump cable inlet wire seal structure of any one of claims 1 to 8, characterized in that: when the device is used, the pressing bolt (8) is rotated to move towards the inner part of the funnel-shaped hole (3), and then the pressing bolt (8) extrudes the second sheath head (7); when the pressing bolt (8) cannot be further fastened, stopping rotating the pressing bolt (8) to fix the first sheath head (5), the sealing block (6) and the second sheath head (7); the sealing block (6) forms reliable sealing with the contact surface of the sheath (4) due to extrusion, and the first sheath head (5) forms reliable sealing with the contact surface of the funnel-shaped hole (3) due to extrusion, so that the sealing effect is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612271.4A CN112682346A (en) | 2020-12-30 | 2020-12-30 | Immersible pump cable inlet wire seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612271.4A CN112682346A (en) | 2020-12-30 | 2020-12-30 | Immersible pump cable inlet wire seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112682346A true CN112682346A (en) | 2021-04-20 |
Family
ID=75455344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011612271.4A Pending CN112682346A (en) | 2020-12-30 | 2020-12-30 | Immersible pump cable inlet wire seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112682346A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045425A1 (en) * | 2000-01-26 | 2001-11-29 | Pauli Jean Luc | Fully submersible immersion heater |
| CN204559302U (en) * | 2015-04-22 | 2015-08-12 | 合肥盛亚电机电泵有限公司 | A kind of cable sealing device of submersible pump |
| CN204597440U (en) * | 2015-04-29 | 2015-08-26 | 上海东方泵业(集团)有限公司 | A kind of overall deadhead formula cable seal structure of immersible pump |
| CN211958743U (en) * | 2020-05-23 | 2020-11-17 | 北京宇能建设工程有限公司 | Cable connection structure |
| CN214742308U (en) * | 2020-12-30 | 2021-11-16 | 福建福清核电有限公司 | Immersible pump cable inlet wire seal structure |
-
2020
- 2020-12-30 CN CN202011612271.4A patent/CN112682346A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045425A1 (en) * | 2000-01-26 | 2001-11-29 | Pauli Jean Luc | Fully submersible immersion heater |
| CN204559302U (en) * | 2015-04-22 | 2015-08-12 | 合肥盛亚电机电泵有限公司 | A kind of cable sealing device of submersible pump |
| CN204597440U (en) * | 2015-04-29 | 2015-08-26 | 上海东方泵业(集团)有限公司 | A kind of overall deadhead formula cable seal structure of immersible pump |
| CN211958743U (en) * | 2020-05-23 | 2020-11-17 | 北京宇能建设工程有限公司 | Cable connection structure |
| CN214742308U (en) * | 2020-12-30 | 2021-11-16 | 福建福清核电有限公司 | Immersible pump cable inlet wire seal structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103683145B (en) | A kind of terminal box | |
| CN105449620B (en) | Dry-type power cable termination | |
| CN204144891U (en) | A kind of high-reliability coaxial cable joint | |
| CN103840307B (en) | Shipboard cable hermetically sealed connector under deepwater environment | |
| CN203760749U (en) | Electric cable sealing device for boats in deep water | |
| CN102946081B (en) | Cable composite-joint for coiled tubing drilling | |
| CN214742308U (en) | Immersible pump cable inlet wire seal structure | |
| CN202585777U (en) | Coaxial cable intermediate joint | |
| CN201859987U (en) | Push-and-pull quick-locking electric connector | |
| CN112682346A (en) | Immersible pump cable inlet wire seal structure | |
| CN208508112U (en) | Fast socket, connector | |
| CN203797167U (en) | Electric apparatus cable outlet hole sealing structure | |
| CN204577720U (en) | A kind of insulated enclosure electrical branch jockey | |
| CN101950884A (en) | Pull-push quick locking electric connector | |
| CN212462138U (en) | Waterproof connector for cable | |
| CN109546397B (en) | Double-layer photovoltaic connector | |
| CN204230452U (en) | A kind of binding post | |
| CN207800948U (en) | Seal assembly and insulator arrangement wire clamp comprising it | |
| CN207834695U (en) | In-line connector | |
| CN209029887U (en) | A kind of novel anti-explosion cable introducing device | |
| CN103618280B (en) | A kind of filling type insulated enclosure beamline construction | |
| CN206148638U (en) | Insulating, sealed cable connector | |
| CN203589677U (en) | Oil-filled type insulating sealing bunch structure | |
| CN208209482U (en) | A kind of outlet fitting for protected cut-out | |
| CN219513772U (en) | Outdoor single-core broken wire and bare wire closed insulating joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |