CN219041309U

CN219041309U - Novel oil-immersed pump terminal box seal structure

Info

Publication number: CN219041309U
Application number: CN202223231765.5U
Authority: CN
Inventors: 郑坚; 杨文宝; 宋洋洋; 金兵康
Original assignee: Qianfeng Pump Co ltd
Current assignee: Qianfeng Pump Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-16
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a novel sealing structure of an oil immersed pump junction box, and belongs to the technical field of sealing structures of junction boxes. It has solved the sealed effect of prior art poor, life-span scheduling problem. The utility model comprises a pump body and a junction box, wherein the junction box is connected to the junction box through a fixing bolt, a junction plate and a sealing piece are arranged in the junction box, the junction plate is provided with junction bolts, a butt joint groove is arranged on the pump body, a sealing groove is arranged on the inner wall of the butt joint groove, the sealing piece comprises a first sealing leather pad and a second sealing leather pad, the first face of the junction plate is sealed with the sealing groove through extrusion of the first sealing leather pad, and the second face of the junction plate is sealed with the junction box through extrusion of the second sealing leather pad. The utility model has the advantages of good sealing effect, long service life and the like.

Description

Novel oil-immersed pump terminal box seal structure

Technical Field

The utility model belongs to the technical field of junction box sealing structures, and particularly relates to a novel oil immersed pump junction box sealing structure.

Background

The oil immersed pump is also called an oil immersed submersible pump, mechanical oil is filled in the oil immersed pump, oil is utilized for cooling and lubricating, so that the junction box needs to be subjected to sealing treatment, a single sealing leather gasket is mostly adopted by a traditional sealing structure, the sealing effect is poor, and the single sealing leather gasket is easy to compress and excessively age and lose efficacy in advance.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a novel sealing structure of an oil immersed pump junction box.

The aim of the utility model can be achieved by the following technical scheme: novel oil-immersed pump terminal box seal structure, a serial communication port, including the pump body and terminal box, the terminal box passes through fixing bolt to be connected on the terminal box, be provided with wiring board and sealing member in the terminal box, all be provided with wiring bolt on the wiring board, be provided with the butt joint groove on the pump body, be provided with the seal groove on the inner wall of butt joint groove, the sealing member includes first sealed leather pad and second sealed leather pad, extrude sealedly through first sealed leather pad between the first face of wiring board and the seal groove, extrude sealedly between second sealed leather pad and the terminal box through the second.

The working principle of the utility model is as follows: when the novel connecting device is used, a power cable penetrates from a wiring opening of the junction box and is connected to the part, located on the second surface of the wiring board, of the wiring bolt, a motor wire inside the pump body is connected to the part, located on the first surface of the wiring board, of the wiring bolt, compared with a traditional mode that the power cable penetrates through a hole in the wiring board, the power cable is not extruded and worn out, and the two sealing leather gaskets are arranged, so that the stress is even, the excessive compression is avoided, the sealing effect is good, and the service life is prolonged.

In the novel oil immersed pump junction box sealing structure, the first surface of the junction plate is provided with the first placing groove.

In the novel oil immersed pump junction box sealing structure, the second surface of the junction plate is provided with the second placing groove.

In the novel oil immersed pump junction box sealing structure, the junction plate is provided with a plurality of penetrating holes, and the penetrating holes correspond to the junction bolts one by one.

In the novel oil immersed pump junction box sealing structure, the junction bolts comprise screw rods, first screw caps and second screw caps.

In the novel oil immersed pump junction box sealing structure, a bolt leather pad is arranged between the first nut and the first surface of the junction plate.

In the novel oil immersed pump junction box sealing structure, a plurality of annular gaskets are arranged on the second surface of the junction plate, and the annular gaskets correspond to the penetrating holes one by one.

In the novel oil immersed pump junction box sealing structure, the junction plate is made of insulating materials.

In the novel oil immersed pump junction box sealing structure, the accommodating groove is formed in the inner wall of the butt joint groove, and the O-shaped ring is arranged in the accommodating groove.

Compared with the prior art, the utility model has the advantages of good sealing effect and long service life.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

In the figure, 1, a pump body; 2. a butt joint groove; 3. a bolt leather pad; 4. a wiring board; 5. an O-ring; 6. a junction box; 7. a wiring bolt; 8. a first gasket; 9. a second gasket; 10. a first placement groove; 11. a second placement groove; 12. an annular gasket; 13. a receiving groove; 14. a seal; 15. a screw; 16. a first nut; 17. a second nut; 18. sealing grooves; 19. and a hole is penetrated.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-2, this novel oil-immersed pump terminal box seal structure includes pump body 1 and terminal box 6, terminal box 6 passes through fixing bolt to be connected on terminal box 6, be provided with terminal plate 4 and sealing member 14 in the terminal box 6, all be provided with binding bolt 7 on the terminal plate 4, be provided with butt joint groove 2 on the pump body 1, be provided with seal groove 18 on the inner wall of butt joint groove 2, sealing member 14 includes first sealed leather pad 8 and second sealed leather pad 9, extrude sealedly through first sealed leather pad 8 between the first face of terminal plate 4 and the seal groove 18, extrude sealedly between the second face of terminal plate 4 through second sealed leather pad 9 and terminal box 6.

Further, the first surface of the wiring board 4 is provided with a first placement groove 10; the first standing groove 10 and the sealing groove 18 are matched to form a sealing groove for the first sealing leather gasket 8 to be installed, so that the limiting effect is achieved, the first sealing leather gasket 8 is pressed and then deformed outwards to be in contact with the sealing groove 18, and the sealing effect is better.

Further, the second face of the wiring board 4 is provided with a second placement groove 11; likewise, through setting up second standing groove 11, can play spacing effect to the sealed leather pad 9 of second, the terminal box 6 after installing avoids the second leather pad to take place the skew with terminal board 4.

Further, the wiring board 4 is provided with a plurality of penetrating holes 19, the penetrating holes 19 are in one-to-one correspondence with the wiring bolts 7, and each wiring bolt 7 comprises a screw 15, a first screw cap 16 and a second screw cap 17; the screw rod 15 passes through the through hole 19, and when in wiring, the power cable and the motor wire are respectively wound on the screw rod 15 positioned on the first surface of the wiring board 4 and the second surface of the wiring board 4, and then the first screw cap 16 or the second screw cap 17 is screwed to respectively press and fix the power cable and the motor wire.

Further, a bolt leather pad 3 is arranged between the first nut 16 and the first surface of the wiring board 4, a plurality of annular gaskets 12 are arranged on the second surface of the wiring board 4, and the annular gaskets 12 are in one-to-one correspondence with the penetrating holes 19; the bolt leather pad 3 is positioned between the first screw cap 16 and the wiring board 4, the annular gasket 12 is positioned between the second screw cap 17 and the wiring board 4, and the annular gasket can play a role in sealing the penetrating hole 19 to a certain extent while increasing the contact area, reducing the pressure and protecting parts and screws.

Further, the wiring board 4 is made of an insulating material; in this embodiment, the insulating material is made of plastic, and has good insulation.

Further, an accommodating groove 13 is formed in the inner wall of the butt joint groove 2, and an O-shaped ring 5 is arranged in the accommodating groove 13; after the junction box 6 is installed, the junction box 6 and the accommodating groove 13 press the O-shaped ring 5, so that the tightness is further improved.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although a number of terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. Novel oil-immersed pump terminal box seal structure, a serial communication port, including pump body (1) and terminal box (6), terminal box (6) are through fixing bolt connection on terminal box (6), be provided with terminal plate (4) and sealing member (14) in terminal box (6), all be provided with wiring bolt (7) on terminal plate (4), be provided with butt joint groove (2) on pump body (1), be provided with seal groove (18) on the inner wall of butt joint groove (2), sealing member (14) include first sealed leather pad (8) and second sealed leather pad (9), extrude sealedly through first sealed leather pad (8) between first face and seal groove (18) of terminal plate (4), extrude sealedly between second face of terminal plate (4) through second sealed leather pad (9) and terminal box (6).

2. The novel oil-immersed pump junction box sealing structure according to claim 1, wherein the first surface of the junction plate (4) is provided with a first placing groove (10).

3. The novel oil-immersed pump junction box sealing structure according to claim 1, wherein the second surface of the junction plate (4) is provided with a second placing groove (11).

4. The novel oil-immersed pump junction box sealing structure according to claim 1, wherein the junction plate (4) is provided with a plurality of penetrating holes (19), and the penetrating holes (19) are in one-to-one correspondence with the junction bolts (7).

5. The novel oil immersed pump junction box sealing structure according to claim 4, wherein the junction bolts (7) comprise screw rods (15), first nuts (16) and second nuts (17).

6. The novel oil-immersed pump junction box sealing structure according to claim 5, wherein a bolt leather pad (3) is arranged between the first nut (16) and the first surface of the junction plate (4).

7. The novel oil-immersed pump junction box sealing structure according to claim 4, wherein a plurality of annular gaskets (12) are arranged on the second surface of the junction plate (4), and the annular gaskets (12) are in one-to-one correspondence with the penetrating holes (19).

8. The novel oil-immersed pump junction box sealing structure according to claim 1, wherein the junction plate (4) is made of an insulating material.

9. The novel oil-immersed pump junction box sealing structure according to claim 1, wherein an accommodating groove (13) is formed in the inner wall of the butt joint groove (2), and an O-shaped ring (5) is arranged in the accommodating groove (13).