CN218177484U

CN218177484U - Sealing protection device for submersible electric pump cable

Info

Publication number: CN218177484U
Application number: CN202221893755.5U
Authority: CN
Inventors: 周晨; 蒋凤琳; 李桂萍; 曾蓉
Original assignee: Tianjin Zhongling Pump Valve Co ltd
Current assignee: Tianjin Zhongling Pump Valve Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-30
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a sealed protection device for submerged motor pump cable conductor, the immersible pump casing that has the end cover subassembly including the top structure, the end cover subassembly is including constructing in the link at immersible pump casing top, the up end demountable installation of link has sealed lid between two parties, the bottom of sealed lid is constructed has the sealing strip that the vertical tangent plane is trapezium structure, adaptation sealing strip seal installation's seal groove is seted up to the up end of link, the inner wall top demountable installation of sealed lid has oil blanket box two, two intussuseptions of oil blanket box are filled with sealed oil, and are provided with the cable conductor body between two parties in the oil blanket box, all constructed seal cover two on the inner wall of oil blanket box two and the outer wall, seted up annular seal chamber one in the seal cover two, this a sealed protection device for submerged motor pump cable conductor, rational in infrastructure, the possibility that can reduce the water and invade is favorable to maintaining the normal work of immersible pump, and the practicality is strong.

Description

Sealing protection device for submersible electric pump cable

Technical Field

The utility model belongs to the technical field of the sealed protection of immersible pump cable conductor body, concretely relates to a sealed protection device for submerged motor pump cable conductor.

Background

The submersible pump is an important device for pumping water from a deep well. When the water-pumping unit is used, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the water-pumping unit is used for domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, can also be used for fountain landscape, and can be used for hot spring bathing by using a hot water submersible pump, can also be used for extracting underground water from a deep well, and can also be used for water extraction projects such as rivers, reservoirs, water channels and the like. The water-saving device is mainly used for farmland irrigation and water for people and livestock in high mountain areas, and can also be used for central air-conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines and construction sites for water drainage. The general flow can reach 5 to 650m ³ The delivery lift can reach 10-550 m.

The submersible electric pump is a water pump with a pump body impeller and a motor driving the impeller both submerged in water to work, and is widely applied to the hydraulic engineering industry.

When using, current submerged motor pump along with the increase of working depth, water pressure progressively increases, and under the environment of high water pressure, the water is easy to be deep inside through the junction of cable body and submerged motor pump, leads to submerged motor pump's internal circuit tip impaired, influences submerged motor pump's normal work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed protection device for submerged motor pump cable conductor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme does:

a seal protection device for a cable of a submersible electric pump comprises a submersible pump shell with an end cover assembly at the top;

the end cover assembly comprises a connecting end constructed at the top of the submersible pump shell, a sealing cover is detachably mounted in the middle of the upper end face of the connecting end, a sealing strip with a trapezoidal longitudinal section is constructed at the bottom end of the sealing cover, and a sealing groove matched with the sealing strip in sealing mounting is formed in the upper end face of the connecting end;

the inner wall top demountable installation of sealed lid has oil blanket box two, the intussuseption of oil blanket box two is filled with sealed oil, and is provided with the cable conductor body between two parties in the oil blanket box two, all be constructed seal cover two on the inner wall of oil blanket box two and the outer wall, annular seal chamber one has been seted up in the seal cover two, it is fixed with the sealing washer two of sealable butt in annular seal chamber one to bond on the outer fringe face of cable conductor body.

Further, seal cover one is constructed in the middle of the up end of sealed lid, the top of cable conductor body extensible is worn out sealed lid and seal cover one.

Further, the cable conductor body extends to penetrate through the outer edge face of one end of the sealing cover and the outer edge face of one end of the sealing sleeve I, and is fixedly connected with the sealing ring I in a bonding mode, and the inner wall of the sealing sleeve I is provided with a second annular sealing cavity for abutting and sealing the sealing ring I.

Further, the lower terminal surface demountable installation of link has oil blanket box one, the intussuseption of oil blanket box one is filled with sealed oil, and all is constructed seal cover three on the inner wall of oil blanket box one and the outer wall.

Furthermore, the bottom end of the cable body extends out of the oil seal box II, the connecting end and the oil seal box I, a seal ring III is constructed on the outer edge face of the bottom end of the cable body, and an annular seal cavity III for the seal ring III to abut against for sealing is formed in the inner wall of the seal sleeve III.

Furthermore, an extension shell is formed on the outer edge surface of the bottom end of the submersible pump shell, and a connecting pipe communicated with the inside of the submersible pump shell is formed in the middle of the upper end surface of the extension shell.

Compared with the prior art, the utility model discloses following beneficial effect has: benefit from the immersible pump casing, the link, sealed lid, the sealing strip, the cable conductor body, oil blanket box two, the setting of seal cover two and sealing washer two, the immersible pump is at aquatic during operation, along with depth of operation's increase, water pressure progressively increases, sealing strip for trapezium structure through setting up the vertical section, the effect at high water pressure can make the sealing strip inseparabler with the laminating of seal groove down, thereby promote sealed effect, and realize the oil blanket through two inside sealing oil of oil blanket box, and the sealed cooperation of cooperation seal cover two and sealing washer two realizes double sealing, can reduce the possibility that the water invaded, be favorable to maintaining the normal work of immersible pump.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the end cap assembly of the present invention;

fig. 3 is a cross-sectional view of fig. 2 according to the present invention.

In the figure: 1. a submersible pump housing; 2. an extension case; 3. a connecting pipe; 4. an end cap assembly; 401. a connecting end; 402. a first oil seal box; 403. a sealing cover; 404. sealing tape; 405. a first sealing sleeve; 406. a cable body; 407. a first sealing ring; 408. a second oil seal box; 409. a second sealing sleeve; 410. a second sealing ring; 411. a third sealing sleeve; 412. and a third sealing ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the sealing protection device for the submersible electric pump cable line includes a submersible pump housing 1 having a top cover assembly 4, the top cover assembly 4 includes a connecting end 401 configured at the top of the submersible pump housing 1, a sealing cover 403 is detachably installed in the middle of the upper end surface of the connecting end 401, a sealing strip 404 having a trapezoidal longitudinal section is configured at the bottom end of the sealing cover 403, a sealing groove adapted to the sealing strip 404 for sealing installation is formed in the upper end surface of the connecting end 401, a second oil seal box 408 is detachably installed at the top of the inner wall of the sealing cover 403, sealing oil is filled in the second oil seal box 408, a cable line body 406 is arranged in the middle of the second oil seal box 408, two sealing strips 409 are respectively configured on the inner wall and the outer wall of the second oil seal box 408, a first annular sealing cavity is formed in the second sealing sleeve 409, a second sealing ring 410 capable of abutting against the first annular sealing cavity is fixedly bonded on the outer edge surface of the cable line body 406, the submersible pump housing 1, the sealing strip 401, the sealing cover 403, the sealing strip 404, the sealing strip 406, the sealing strip 408 can be more easily matched with the sealing strip 404 by the sealing strip 404, and the sealing strip can be maintained by the sealing strip 404.

As shown in fig. 2 and 3, a first sealing sleeve 405 is configured in the middle of the upper end surface of the sealing cover 403, the top end of the cable body 406 can extend out of the sealing cover 403 and the first sealing sleeve 405, a first sealing ring 407 is fixedly bonded to the outer edge surface of one end of the cable body 406 extending out of the sealing cover 403 and the first sealing sleeve 405, and a second annular sealing cavity for abutting and sealing the first sealing ring 407 is formed in the inner wall of the first sealing sleeve 405.

As shown in fig. 2 and 3, a first oil seal box 402 is detachably mounted on the lower end face of the connecting end 401, sealing oil is filled in the first oil seal box 402, a third sealing sleeve 411 is constructed on the inner wall and the outer wall of the first oil seal box 402, the bottom end of the cable body 406 extends out of the second oil seal box 408, the connecting end 401 and the first oil seal box 402, a third sealing ring 412 is constructed on the outer edge face of the bottom end of the cable body 406, and a third annular sealing cavity for abutting and sealing the third sealing ring 412 is formed in the inner wall of the third sealing sleeve 411.

As shown in fig. 1, an extension case 2 is formed on a bottom end outer edge surface of the submersible pump housing 1, and a connection pipe 3 connected to the inside of the submersible pump housing 1 is centrally formed on an upper end surface of the extension case 2.

The working principle is as follows: this a sealed protection device for submerged motor pump cable conductor, in use, the submerged motor pump is at aquatic during operation, along with the increase of working depth, water pressure progressively increases, be trapezoidal structure's sealing strip 404 through setting up the vertical section, can make the laminating of sealing strip 404 with the seal groove inseparabler under high hydraulic effect, thereby promote sealed effect, and realize the oil blanket through the inside sealing oil of oil blanket box two 408, and the sealed cooperation of cooperation seal cover two 409 and seal cover two 410 realizes double sealing, can reduce the possibility of water invasion, realize sealing in cable conductor body 406 and the outside of sealed lid 403 through the sealed cooperation of seal cover one 407 and seal cover one 405, realize further oil blanket through the inside sealing oil of oil blanket box 402, realize the inside seal of cable conductor body 406 with the sealed cooperation of seal cover three 411 and seal cover three 412 simultaneously, promote holistic sealed effect, this a sealed protection device for submerged motor pump cable conductor, and a structure is reasonable, can reduce the possibility of water invasion, be favorable to maintaining the normal work of submerged motor pump cable conductor, therefore, the practicality is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The sealing protection device for the cable of the submersible electric pump comprises a submersible pump shell (1) with an end cover assembly (4) at the top;

the method is characterized in that: the end cover assembly (4) comprises a connecting end (401) constructed at the top of the submersible pump shell (1), a sealing cover (403) is detachably mounted in the middle of the upper end face of the connecting end (401), a sealing belt (404) with a trapezoidal longitudinal section is constructed at the bottom end of the sealing cover (403), and a sealing groove matched with the sealing belt (404) for sealing installation is formed in the upper end face of the connecting end (401);

the inner wall top demountable installation of sealed lid (403) has oil blanket box two (408), oil blanket box two (408) intussuseption is filled with sealed oil, and is provided with cable conductor body (406) placed in the middle in oil blanket box two (408), all be constructed seal cover two (409) on the inner wall of oil blanket box two (408) and the outer wall, it seals chamber one to have the annular in seal cover two (409), it is fixed with sealing washer two (410) that can seal the butt in annular seal chamber one to bond on the outer fringe face of cable conductor body (406).

2. The seal protection device for the electric cable of an electric submersible pump according to claim 1, characterized in that: the upper end face of the sealing cover (403) is centrally configured with a first sealing sleeve (405), and the top end of the cable body (406) can extend out of the sealing cover (403) and the first sealing sleeve (405).

3. The seal protection device for the electric cable of an electric submersible pump according to claim 2, characterized in that: the cable body (406) extends out of the outer edge face of one end of the sealing cover (403) and the sealing sleeve I (405), a sealing ring I (407) is fixedly bonded to the outer edge face of the one end of the sealing sleeve I (405), and an annular sealing cavity II for abutting and sealing the sealing ring I (407) is formed in the inner wall of the sealing sleeve I (405).

4. The seal protection device for the electric cable of an electric submersible pump according to claim 1, characterized in that: the lower terminal surface demountable installation of link (401) has oil blanket box (402), the intussuseption of oil blanket box (402) is provided with sealed oil, and all is constructed on the inner wall of oil blanket box (402) and the outer wall seal cover three (411).

5. The seal protection device for the electric cable of an electric submersible pump according to claim 4, characterized in that: the bottom end of the cable body (406) extends out of the oil seal box II (408), the connecting end (401) and the oil seal box I (402), a seal ring III (412) is constructed on the outer edge face of the bottom end of the cable body (406), and an annular seal cavity III for abutting and sealing the seal ring III (412) is formed in the inner wall of the seal sleeve III (411).

6. The seal protection device for electric cables of submersible pumps according to claim 1, characterized in that: an extension shell (2) is constructed on the outer edge face of the bottom end of the submersible pump shell (1), and a connecting pipe (3) communicated with the inside of the submersible pump shell (1) is constructed in the middle of the upper end face of the extension shell (2).