CN210867159U

CN210867159U - Sewage pump cable connection structure

Info

Publication number: CN210867159U
Application number: CN201922243175.6U
Authority: CN
Inventors: 黄海挺
Original assignee: Shanghai Mine Cable Manufactory Co ltd
Current assignee: Shanghai Mine Cable Manufactory Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-06-26
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to a dredge pump cable connection structure, it includes the cable that two tip are relative, the cable includes the inner core, the inner core of two cables twines each other and links together, the junction parcel of two cables has insulating tape, it is equipped with the protection casing all to overlap on every cable, the terminal surface rigid coupling of a protection casing has annular picture peg, the terminal surface of another protection casing is seted up and is supplied picture peg male slot, equal rigid coupling has annular closing plate on the terminal surface of picture peg is kept away from to two protection casings, the global sealing washer that has been around of cable, the inner peripheral surface of closing plate supports and leans on the sealing washer. The utility model has the advantages that waterproof performance is good.

Description

Sewage pump cable connection structure

Technical Field

The utility model relates to a cable junction structure especially relates to a dredge pump cable junction structure.

Background

The sewage pump is a pump product which is connected with a motor and is submerged under liquid.

The dredge pump is generally not furnished with the cable conductor or can not exceed five meters cable conductor at most when dispatching from the factory, so when the distance of power and dredge pump is far away, need lengthen the cable on the basis of the supporting cable of dredge pump, and general staff links together the inner core of two cables, then has insulating tape at the parcel of inner core junction, accomplishes the connection of two cables.

The above prior art solutions have the following drawbacks: the dredge pump carries out work under the liquid, and the junction of two cables often is close to the dredge pump for the junction of cable soaks in the liquid, and the sealed of insulating rubberized fabric is bad, and moisture gets into cable junction easily, and then causes the cable fault.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dredge pump cable junction structure, its advantage is waterproof performance good.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a dredge pump cable connection structure, includes the cable that two tip are relative, and the cable includes the inner core, and the inner core of two cables twines each other and links together, and the junction parcel of two cables has insulating tape, every all the cover is equipped with the protection casing on the cable, and the terminal surface rigid coupling of a protection casing has annular picture peg, and the terminal surface of another protection casing is seted up and is supplied picture peg male slot, and equal rigid coupling has annular closing plate on the terminal surface of picture peg is kept away from to two protection casings, and the global sealing washer that has of centering on of cable, the inner peripheral surface of closing plate.

Through adopting above-mentioned technical scheme, cover the junction of cable through two protection casings, the butt joint department of two protection casings is passed through inserting of slot and picture peg and is established and be connected, the route that external water entered into the protection casing has been prolonged, the degree of difficulty that water entered into in the protection casing has been increased, and keep away from the one end of picture peg at the protection casing through setting up the sealing washer, reduce the gap that closing plate and cable are global, make external water be difficult for entering into the protection casing between closing plate and the cable, thereby make and form relatively inclosed space in the protection casing, play the guard action to the junction of cable.

The utility model discloses further set up to: two opposite ends of the two protective covers are fixedly connected with connecting plates, and the two connecting plates are connected together through the matching of screws and nuts. .

Through adopting above-mentioned technical scheme, link together two guard plates more steadily for the picture peg is steadily in the slot.

The utility model discloses further set up to: an annular connecting sleeve is arranged between the cable and the sealing ring, a sleeve ring is sleeved on the connecting sleeve, the outer peripheral surface of the sleeve ring shrinks along the direction far away from the cable connection position, threads are processed on the outer peripheral surface of the connecting sleeve, the sleeve ring is in threaded connection with the connecting sleeve, and the sealing ring is fixedly connected to the outer peripheral surface of the sleeve ring.

Through adopting above-mentioned technical scheme, the staff makes the lantern ring remove along the direction of keeping away from cable junction through revolving the lantern ring soon to drive the sealing washer and remove, make the sealing washer conflict more closely on the global of closing plate, make the leakproofness between closing plate and the cable global better, and the adapter sleeve plays the guard action to the global of cable.

The utility model discloses further set up to: the end face of the lantern ring, which is positioned outside the protective cover, is fixedly connected with a rotating plate.

Through adopting above-mentioned technical scheme, for the staff provides the impetus, the staff of being convenient for orders about the rotor plate and rotates to make the lantern ring rotate.

The utility model discloses further set up to: the inner peripheral surface of protection casing rigid coupling has annular bullet board, and the internal diameter of bullet board is less than the diameter of cable.

By adopting the technical scheme, when the cable passes through the inner diameter of the elastic plate, the inner diameter of the elastic plate is increased, and the elastic plate is driven to deform and bend, so that the surface of the elastic plate is tightly attached to the peripheral surface of the cable; the waterproof performance of protection casing is better like this.

The utility model discloses further set up to: the inner peripheral surface of the protection cover is fixedly connected with an annular air bag, the outer peripheral surface of the air bag is fixedly connected with an air nozzle used for inflating the air bag, and the air nozzle penetrates through the protection cover and is fixedly connected with the protection cover.

Through adopting above-mentioned technical scheme, the staff can make the cable pass the gasbag, then fills gas in to the gasbag through the air cock, makes the inner peripheral surface of gasbag hug closely on the global of cable, can improve the waterproof nature of protection casing again like this.

The utility model discloses further set up to: the outer peripheral face of the protective cover is provided with a protective cover surrounding the air faucet, threads are machined on the peripheral face of the protective cover, one end of the protective cover is fixedly connected to the peripheral face of the protective cover, and the other end of the protective cover is in threaded connection with a cover body.

Through adopting above-mentioned technical scheme, play the guard action to the air cock that is located outside the protection casing, reduce the protection casing in the transportation, the air cock takes place to collide with and receive the condition of damage.

The utility model discloses further set up to: an elastic sealing gasket is arranged between the slot and the inserting plate, and the sealing gasket is wound on the peripheral surface of the inserting plate.

Through adopting above-mentioned technical scheme, reduced the gap between picture peg and the slot like this for external water is difficult for entering into in the protection casing more.

To sum up, the utility model discloses a beneficial technological effect does:

1. the waterproof performance of the two cable connection structures is improved, the connection position of the cables is positioned in the protective cover through the protective cover, the butt joint position of the two protective covers has a better waterproof shape through the inserting plate and the inserting groove, the protective cover and the peripheral surface of the cables have good sealing performance through the sealing plate and the sealing ring, and therefore a relatively closed space is formed in the protective cover;

2. the arrangement of the air bag enables the air bag to be tightly attached to the peripheral surface of the cable, the peripheral surface of the air bag is fixedly connected with the inner peripheral surface of the protective cover, and the sealing performance of the protective cover and the peripheral surface of the cable is further improved.

Drawings

Fig. 1 is a schematic view of a connection structure of two cables in the present embodiment.

Fig. 2 is a sectional view of the shield in this embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 5 is a partially enlarged schematic view of a portion C in fig. 2.

In the figure, 1, a cable; 11. an inner core; 12. an insulating sheath; 13. a seal ring; 14. connecting sleeves; 15. a collar; 16. a rotating plate; 2. a protective cover; 21. inserting plates; 211. a gasket; 22. a slot; 23. a sealing plate; 24. a connecting plate; 25. a screw; 26. a nut; 27. a spring plate; 28. an air bag; 29. an air tap; 291. a protective sleeve; 292. a cover body; 3. an insulating tape.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a dredge pump cable connection structure, including two relative cables 1 of tip, cable 1 includes inner core 11 and wraps up in the insulating crust 12 on inner core 11 is global, and the inner core 11 of two cables 1 twines each other and links together, and the junction parcel of two cables 1 has insulating rubberized fabric 3.

Referring to fig. 2 and 3, each cable 1 is sleeved with a protective cover 2, the protective covers 2 are close to the end portions of the cables 1, an annular insertion plate 21 is fixedly connected to the end face of one of the protective covers 2, an insertion slot 22 for inserting the insertion plate 21 is formed in the end face of the other protective cover 2, when the end faces of the two protective covers 2 abut against each other, the insertion plate 21 is inserted into the insertion slot 22, annular sealing plates 23 are fixedly connected to the end faces of the two protective covers 2 far away from the insertion plate 21, a sealing ring 13 surrounds the peripheral face of each cable 1, and the inner peripheral face of each sealing plate 23 abuts against.

Cover cable 1's junction through two protection casings 2, the butt joint department of two protection casings 2 is passed through inserting of slot 22 and picture peg 21 and is established and be connected, the route that external water entered into protection casing 2 has been prolonged, the degree of difficulty that water entered into in the protection casing 2 has been increased, and keep away from picture peg 21 one end at protection casing 2 through setting up sealing washer 13, reduce the gap that closing plate 23 and cable 1 are global, make external water be difficult for entering into in the protection casing 2 from between closing plate 23 and the cable 1, thereby make and form relatively inclosed space in the protection casing 2, play the guard action to cable 1's junction.

Referring to fig. 2, in order to make the connection of the two protection covers 2 more stable, two opposite ends of the two protection covers 2 are fixedly connected with annular connecting plates 24, the two connecting plates 24 are abutted against each other, screws 25 are arranged on the two connecting plates 24 in a penetrating manner, and the two connecting plates 24 are connected together through the matching of the screws 25 and nuts 26.

Referring to fig. 3, in order to improve the waterproof performance of the butt joint of the two protection covers 2, an elastic sealing gasket 211 is arranged between the slot 22 and the inserting plate 21, and the sealing gasket 211 is wound on the outer circumferential surface of the inserting plate 21 and is fixedly connected to the inserting plate 21; this reduces the gap between the insert plate 21 and the insertion groove 22, so that external water is less likely to enter the shield 2.

Referring to fig. 2 and 4, in order to further enhance the sealing performance between the sealing plate 23 and the circumferential surface of the cable 1, an annular connecting sleeve 14 is fixedly connected to the circumferential surface of the cable 1, the connecting sleeve 14 is located between the cable 1 and the sealing ring 13, a sleeve ring 15 is sleeved on the connecting sleeve 14, the outer circumferential surface of the sleeve ring 15 contracts in the direction away from the joint of the cable 1, threads are machined on the outer circumferential surface of the connecting sleeve 14, the sleeve ring 15 is in threaded connection with the connecting sleeve 14, and the sealing ring 13 is fixedly connected to the outer circumferential surface of the sleeve.

The staff makes lantern ring 15 remove along the direction of keeping away from the cable 1 junction through revolving lantern ring 15 soon to drive sealing washer 13 and remove, make sealing washer 13 conflict more closely on sealing plate 23 global, make the leakproofness between sealing plate 23 and the cable 1 global better, and adapter sleeve 14 plays the guard action to cable 1 global.

Referring to fig. 2 and 4, in order to facilitate the worker to rotate the collar 15, a rotating plate 16 is fixedly connected to the end surface of the collar 15, which is located outside the protective hood 2, so as to provide a force point for the worker, and the worker can drive the rotating plate 16 to rotate, so that the collar 15 rotates.

Referring to fig. 2, in order to further improve the sealing performance between the shield 2 and the circumferential surface of the cable 1, an annular elastic plate 27 is fixed to the inner circumferential surface of the shield 2, the inner diameter of the elastic plate 27 is smaller than the diameter of the cable 1, and when the cable 1 passes through the inner diameter of the elastic plate 27, the inner diameter of the elastic plate 27 is increased, so that the elastic plate 27 is deformed and bent, and the surface of the elastic plate 27 is tightly attached to the circumferential surface of the cable 1; so that the waterproof performance of the protection cover 2 is better.

Referring to fig. 2 and 5, an annular air bag 28 is fixedly connected to the inner circumferential surface of the shield 2, the air bag 28 is filled with air, the inner circumferential surface of the air bag 28 tightly abuts against the circumferential surface of the cable 1, an air tap 29 for inflating the air bag 28 is fixedly connected to the outer circumferential surface of the air bag 28, the air tap 29 penetrates through the shield 2 and is fixedly connected to the shield 2, and an opening of the air tap 29 is exposed to the outside of the shield 2; this again improves the water resistance of the hood 2.

Referring to fig. 5, in order to reduce the damage of the air nozzle 29 caused by collision during transportation of the protection cover 2, a protection cover 291 is provided on the outer circumferential surface of the protection cover 2, the air nozzle 29 is located in the protection cover 291, one end of the protection cover 291 is fixedly connected to the circumferential surface of the protection cover 2, threads are formed on the outer circumference of the protection cover 291, a cover 292 is provided on the protection cover 291, and the cover 292 is screwed to the protection cover 2.

The implementation principle of the embodiment is as follows: the worker connects the inner cores 11 of the two cables 1 in a winding way, then the joint of the two cables 1 is wrapped with the insulating rubberized fabric 3, then the protective covers 2 on the two cables 1 move close to each other, when the end faces of the two protective covers 2 abut against each other, the inserting plate 21 is inserted into the inserting groove 22, at this time, the worker connects the two connecting plates 24 together by using the screw 25 and the nut 26, and then rotates the rotating plate 16, so as to drive the lantern ring 15 to rotate, so that the lantern ring 15 moves along the direction far away from the joint of the cables 1, so as to drive the sealing ring 13 to move, so that the sealing ring 13 is more closely abutted against the peripheral face of the sealing plate 23, when the cables 1 pass through the inner diameter of the elastic plate 27, the inner diameter of the elastic plate 27 is increased, so as to drive the elastic plate 27 to deform and bend, so that the surface of the elastic plate 27 is, the worker inflates the air bag 28 with air through the air nozzle 29, and the inner peripheral surface of the air bag 28 is brought into close contact with the peripheral surface of the cable 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a dredge pump cable connection structure, includes two relative cable (1) in tip, and cable (1) includes inner core (11), and inner core (11) of two cable (1) twine each other and link together, and the junction parcel of two cable (1) has insulating rubberized fabric (3), its characterized in that: every all the cover is equipped with protection casing (2) on cable (1), and the terminal surface rigid coupling of a protection casing (2) has annular picture peg (21), and confession picture peg (21) male slot (22) have been seted up to the terminal surface of another protection casing (2), and equal rigid coupling has annular closing plate (23) on the terminal surface of picture peg (21) is kept away from in two protection casings (2), and cable (1) is global around having sealing washer (13), and the inner peripheral surface of closing plate (23) supports and leans on sealing washer (13).

2. The dredge pump cable connection structure of claim 1, wherein: two opposite ends of the two protective covers (2) are fixedly connected with connecting plates (24), and the two connecting plates (24) are connected together through the matching of screws (25) and nuts (26).

3. The dredge pump cable connection structure of claim 2, wherein: be provided with annular adapter sleeve (14) between cable (1) and sealing washer (13), the cover is equipped with lantern ring (15) on adapter sleeve (14), and the outer peripheral face of lantern ring (15) is along the direction shrink of keeping away from cable (1) junction, and it has the screw thread to process on adapter sleeve (14) outer peripheral face, and lantern ring (15) threaded connection is on adapter sleeve (14), and sealing washer (13) rigid coupling is on the outer peripheral face of the lantern ring (15).

4. A dredge pump cable connection structure according to claim 3, characterized in that: the end face of the lantern ring (15) positioned outside the protective cover (2) is fixedly connected with a rotating plate (16).

5. A dredge pump cable connection structure according to claim 3, characterized in that: an annular elastic plate (27) is fixedly connected to the inner peripheral surface of the protective cover (2), and the inner diameter of the elastic plate (27) is smaller than the diameter of the cable (1).

6. A dredge pump cable connection structure according to claim 3, characterized in that: an annular air bag (28) is fixedly connected to the inner circumferential surface of the protective cover (2), an air nozzle (29) used for inflating the air bag (28) is fixedly connected to the outer circumferential surface of the air bag (28), and the air nozzle (29) penetrates through the protective cover (2) and is fixedly connected with the protective cover (2).

7. The dredge pump cable connection structure of claim 6, wherein: the air faucet protection device is characterized in that a protection sleeve (291) surrounding an air faucet (29) is arranged on the outer peripheral surface of the protection cover (2), threads are machined on the peripheral surface of the protection sleeve (291), one end of the protection sleeve (291) is fixedly connected to the peripheral surface of the protection cover (2), and the other end of the protection sleeve is connected with a cover body (292) in a threaded mode.

8. The dredge pump cable connection structure of claim 1, wherein: an elastic sealing gasket (211) is arranged between the slot (22) and the inserting plate (21), and the sealing gasket (211) is wound on the peripheral surface of the inserting plate (21).