CN217282045U

CN217282045U - Explosion-proof cable gland for submersible pump

Info

Publication number: CN217282045U
Application number: CN202220363318.6U
Authority: CN
Inventors: 张平; 沈顺成; 张江平
Original assignee: Hangzhou Srt Pump Industry Co ltd
Current assignee: Hangzhou Srt Pump Industry Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-23
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to a cable gland technical field specifically is an explosion-proof cable gland that immersible pump was used, which comprises a cylinder, the left side sliding connection of drum inner wall has a protection section of thick bamboo, four spouts have been seted up in the left side of protection section of thick bamboo inner wall, the right side fixedly connected with spring of spout inner wall, the left end fixedly connected with T-shaped piece of spring, the side of the horizontal piece of T-shaped piece and the side sliding connection of spout inner wall, logical groove has been seted up at the middle part of spout inner wall, lead to the side of groove inner wall and the side sliding connection of T-shaped piece riser, the upside L-shaped groove has been seted up at the middle part of T-shaped piece riser side. The utility model discloses in, through the cooperation between L shape pole, L shape groove, slot, pressure spring isotructure for four T-shaped blocks can drive four holding strips closed forward simultaneously, make four T-shaped blocks can move left in the side of four spout inner walls on inclined plane, make cable and immersible pump cable interface connection's stability better.

Description

Explosion-proof cable gland for submersible pump

Technical Field

The utility model relates to a cable gland technical field specifically is an explosion-proof cable gland that immersible pump was used.

Background

The submersible pump is an important device for pumping water from a deep well, and when the submersible pump is used, the whole unit is submerged into water to work, so that underground water is pumped to the ground surface, and the submersible pump is commonly used for domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting, ship load regulation and the like.

Partial immersible pump in the existing market is when using, because the cable diameter of connecting the immersible pump exists the difference, thereby make to have the gap between the diameter of cable and the immersible pump cable interface, thereby make cable and immersible pump cable interface connection's stability relatively poor, and because the interface of immersible pump side is fixed through the cooperation between the screw thread, after the immersible pump uses the longer time, the condition such as oxidation appears easily, thereby make the screw thread of immersible pump interface appear not hard up, thereby make water easily enter into the inside of immersible pump, thereby make the immersible pump appear damaging easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof cable gland that immersible pump was used to solve the stability of the immersible pump cable interface connection who provides among the above-mentioned background art relatively poor, the problem of damage appears easily in the immersible pump.

In order to achieve the above purpose, the utility model provides a following technical scheme: an explosion-proof cable gland for a submersible pump comprises a cylinder, wherein the left side of the inner wall of the cylinder is slidably connected with a protection cylinder, and the left side of the inner wall of the protection cylinder is provided with four sliding chutes;

the right side of the inner wall of the sliding chute is fixedly connected with a spring, the left end of the spring is fixedly connected with a T-shaped block, the side surface of the transverse block of the T-shaped block is connected with the side surface of the inner wall of the sliding chute in a sliding manner, the middle part of the inner wall of the sliding chute is provided with a through groove, and the side surface of the inner wall of the through groove is connected with the side surface of the vertical block of the T-shaped block in a sliding manner;

an L-shaped groove is formed in the middle of the side face of the T-shaped block vertical block on the upper side, a pressure spring is fixedly connected to the rear side of the inner wall of the L-shaped groove vertical groove, and an L-shaped rod is fixedly connected to the front side of the pressure spring;

a slot is formed in the front side of the inner wall of the through groove on the upper side, the side face of the inner wall of the slot is connected with the side face of the L-shaped rod cross rod in a sliding mode, a hoop is movably sleeved on the side face of the protection cylinder, and the right side of the inner wall of the hoop is movably connected with the left side of the cylinder;

the right side of drum has seted up the thread groove, the fixed cover in right side of drum has been connect the circle cover, the left side of circle cover and the equal fixedly connected with rubber circle in left side of drum.

Preferably, the bottom surface of the inner wall of the sliding chute forms an included angle of 30 degrees with the ground.

Preferably, the quantity of slot is three, three the equal equidistance of slot is the straight line and distributes at the front side that leads to inslot wall in the upper side.

Preferably, the length of the T-shaped block vertical block extends to the outer side of the through groove, and the side surfaces of the four T-shaped blocks are fixedly connected with connecting strips.

Preferably, the number of the T-shaped blocks is four, the four T-shaped blocks are distributed on the left side of the inner wall of the protection cylinder in an annular mode at equal intervals, clamping strips are fixedly connected to one sides of the four transverse blocks of the four T-shaped blocks, which are opposite to each other in pairs, and the side faces of the clamping strips are cambered surfaces.

Preferably, the left side of the cylinder is fixedly connected with a fixing sleeve, and the fixing sleeve is hexagonal.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the cooperation between L shape pole, L shape groove, slot, pressure spring isotructure for four T-shaped blocks can drive four holding strips closed forward simultaneously, make four T-shaped blocks can move left in the side of four spout inner walls on inclined plane, make cable and immersible pump cable interface connection's stability better.

The utility model discloses in, through the cooperation between drum, thread groove, rubber circle isotructure, fix the side at the immersible pump with the drum for the right side of circle cover and the side laminating of immersible pump, two make the side laminating of rubber circle and immersible pump, thereby seen little the possibility that water got into the inside of immersible pump, thereby reduced the possibility that the damage appears in the immersible pump.

Drawings

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

FIG. 2 is a sectional view of the present invention showing a partial three-dimensional structure;

fig. 3 is a sectional view of the partial three-dimensional structure of the present invention.

In the figure: 1. a cylinder; 2. a protective cylinder; 3. a chute; 4. a spring; 5. a T-shaped block; 6. a through groove; 7. an L-shaped slot; 8. a pressure spring; 9. an L-shaped rod; 10. a slot; 11. hooping; 12. a thread groove; 13. a round sleeve; 14. a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an explosion-proof cable gland for a submersible pump comprises a cylinder 1, wherein the left side of the inner wall of the cylinder 1 is slidably connected with a protection cylinder 2, and the left side of the inner wall of the protection cylinder 2 is provided with four sliding chutes 3;

a spring 4 is fixedly connected to the right side of the inner wall of the sliding chute 3, a T-shaped block 5 is fixedly connected to the left end of the spring 4, the side face of a transverse block of the T-shaped block 5 is in sliding connection with the side face of the inner wall of the sliding chute 3, a through groove 6 is formed in the middle of the inner wall of the sliding chute 3, and the side face of the inner wall of the through groove 6 is in sliding connection with the side face of a vertical block of the T-shaped block 5;

an L-shaped groove 7 is formed in the middle of the side face of a vertical block of the upper T-shaped block 5, a pressure spring 8 is fixedly connected to the rear side of the inner wall of the vertical groove of the L-shaped groove 7, and an L-shaped rod 9 is fixedly connected to the front side of the pressure spring 8;

a slot 10 is arranged at the front side of the inner wall of the upper through groove 6, the side surface of the inner wall of the slot 10 is connected with the side surface of the cross rod of the L-shaped rod 9 in a sliding way, the side surface of the protective cylinder 2 is movably sleeved with an anchor ear 11, and the right side of the inner wall of the anchor ear 11 is movably connected with the left side of the cylinder 1;

thread groove 12 has been seted up on the right side of drum 1, and the fixed round cover 13 that has cup jointed in the right side of drum 1, the left side of round cover 13 and the equal fixedly connected with rubber circle 14 in the left side of drum 1.

In this embodiment, as shown in fig. 2 and 3, the bottom surface of the inner wall of the chute 3 forms an included angle of 30 ° with the ground, and the chute 3 with the inclined surface can make four T-shaped blocks 5 close inward at the same time.

In this embodiment, as shown in fig. 2 and 3, the number of the slots 10 is three, the three slots 10 are equally spaced and linearly distributed on the front side of the inner wall of the through slot 6 on the upper side, and the three slots 10 facilitate fine adjustment of the moving length of the T-shaped block 5.

In this embodiment, as shown in fig. 2 and 3, the vertical blocks of the T-shaped blocks 5 extend to the outside of the through groove 6, and the side surfaces of the four T-shaped blocks 5 are fixedly connected with the connecting strips, which conveniently drive the four T-shaped blocks 5 to move leftward simultaneously.

In this embodiment, as shown in fig. 2 and 3, the quantity of T-shaped block 5 is four, and four equal equidistance of T-shaped block 5 are the annular and distribute in the left side of 2 inner walls of protection cylinder, and the equal fixedly connected with holding strip in two liang opposite one sides of four 5 crossbeams of T-shaped block, and the side of holding strip is the cambered surface, and the holding strip of cambered surface has reduced the cable by the flat possibility of clamp.

In this embodiment, as shown in fig. 1 and 2, the left side of the cylinder 1 is fixedly connected with a fixing sleeve, the fixing sleeve is hexagonal, and the fixing sleeve is convenient for fixing the cable gland on the side surface of the submersible pump.

The utility model discloses a use method and advantage: this explosion-proof cable gland for submersible pump is when using cable gland, and the working process is as follows:

as shown in fig. 1, 2 and 3, the L-shaped rod 9 is moved to the rear side of the inner wall of the rear L-shaped groove 7 to extrude the pressure spring 8, so that the cross rod of the L-shaped rod 9 is moved to the outer side of the slot 10, thereby releasing the fixed state of the upper side T-shaped block 5, so that the four T-shaped blocks 5 can drive the four clamping strips to be closed forwards simultaneously, thereby the four T-shaped blocks 5 can be moved leftwards on the side surfaces of the inner walls of the four sliding grooves 3 on the inclined surface, and therefore, the stability of the cable and the cable interface connection of the submersible pump is good.

Through rotating drum 1, make thread groove 12 on drum 1 right side can rotate to the inboard of immersible pump cable joint, make to rotate hexagonal fixed cover, fix drum 1 in the side of immersible pump, make the right side of circle cover 13 and the side laminating of immersible pump, two make the side laminating of rubber circle 14 and immersible pump, thereby seen little the possibility of water entering the inside of immersible pump, thereby reduced the immersible pump and appeared the possibility of damaging.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an explosion-proof cable gland that immersible pump was used, includes drum (1), its characterized in that: the left side of the inner wall of the cylinder (1) is connected with a protective cylinder (2) in a sliding manner, and the left side of the inner wall of the protective cylinder (2) is provided with four sliding chutes (3);

the right side of the inner wall of the sliding groove (3) is fixedly connected with a spring (4), the left end of the spring (4) is fixedly connected with a T-shaped block (5), the side face of a transverse block of the T-shaped block (5) is in sliding connection with the side face of the inner wall of the sliding groove (3), the middle part of the inner wall of the sliding groove (3) is provided with a through groove (6), and the side face of the inner wall of the through groove (6) is in sliding connection with the side face of a vertical block of the T-shaped block (5);

an L-shaped groove (7) is formed in the middle of the side face of the vertical block of the upper T-shaped block (5), a pressure spring (8) is fixedly connected to the rear side of the inner wall of the vertical groove of the L-shaped groove (7), and an L-shaped rod (9) is fixedly connected to the front side of the pressure spring (8);

a slot (10) is formed in the front side of the inner wall of the through groove (6) in the upper side, the side face of the inner wall of the slot (10) is in sliding connection with the side face of the cross rod of the L-shaped rod (9), a hoop (11) is movably sleeved on the side face of the protection barrel (2), and the right side of the inner wall of the hoop (11) is movably connected with the left side of the cylinder (1);

thread groove (12) have been seted up on the right side of drum (1), circle cover (13) have been fixed to be cup jointed on the right side of drum (1), the left side of circle cover (13) and the equal fixedly connected with rubber circle (14) in left side of drum (1).

2. The explosion-proof cable gland for the submersible pump according to claim 1, characterized in that: the bottom surface of the inner wall of the sliding chute (3) forms an included angle of 30 degrees with the ground.

3. The explosion-proof cable gland for the submersible pump according to claim 1, wherein: the quantity of slot (10) is three, three slot (10) equal pitch is the front side that the straight line distributes and leads to groove (6) inner wall in the upper side.

4. The explosion-proof cable gland for the submersible pump according to claim 1, wherein: the length of the vertical blocks of the T-shaped blocks (5) extends to the outer side of the through groove (6), and the side surfaces of the four T-shaped blocks (5) are fixedly connected with connecting strips.

5. The explosion-proof cable gland for the submersible pump according to claim 1, wherein: the number of the T-shaped blocks (5) is four, the T-shaped blocks (5) are distributed on the left side of the inner wall of the protective cylinder (2) in an annular mode at equal intervals, four clamping strips are fixedly connected to two opposite sides of four transverse blocks of the T-shaped blocks (5), and the side faces of the clamping strips are cambered surfaces.

6. The explosion-proof cable gland for the submersible pump according to claim 1, characterized in that: the left side of the cylinder (1) is fixedly connected with a fixing sleeve, and the fixing sleeve is hexagonal.