CN217984178U

CN217984178U - Take ammeter case of high leakproofness cable joint

Info

Publication number: CN217984178U
Application number: CN202221581475.0U
Authority: CN
Inventors: 陈世扬; 罗居卫; 胡维; 黄海斌
Original assignee: Zhejiang Hess Electric Co ltd
Current assignee: Zhejiang Hess Electric Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-12-06
Anticipated expiration: 2032-06-23

Abstract

The utility model provides a take high leakproofness cable joint's ammeter case. The technical scheme adopted comprises the following steps: the box, articulate the case lid of box upper end, be equipped with ammeter mount pad and installation guide rail in the box, install high leakproofness cable joint on the entrance hole of bottom half, high leakproofness cable joint includes: the main part, spiro union are in nut and the spiro union of main part upper end are in the nut of lower extreme, the main part prolongs the axial and is equipped with first entrance hole, and integrated into one piece has the spiral shell head on the lateral wall in the middle of and, be equipped with the sealing line body in the nut, the sealing line body is preceding narrow wide conical structure in back, and prolongs the axial and be equipped with the second entrance hole, the nut rear end be equipped with support in the flange of sealing line body rear end face, the first entrance hole rear end of main part is equipped with the horn mouth, the sealing line body front end is put in the horn mouth.

Description

Take high leakproofness cable joint's ammeter case

Technical Field

The utility model relates to an ammeter case.

Background

The electric meter box is a box body for mounting an electric meter, and plays a role in protecting the electric meter. The model of ammeter case has: single-phase one epitope, three-phase one epitope, single-phase four epitope and the like. The structure includes: the base, articulate the case lid on the base, be equipped with the entrance hole bottom the base, install cable joint usually on the entrance hole for fixed cable. The traditional cable joint usually utilizes the cooperation of the radial jack catch in the main part and nut to the cable centre gripping fixed, has sealing performance poor, and can not protect the shortcoming of line.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a take high leakproofness cable joint's ammeter case.

In order to solve the above problem, the utility model discloses a technical scheme include: the box, articulate the case lid of box upper end, be equipped with ammeter mount pad and installation guide rail in the box, its characterized in that: install high leakproofness cable joint on the entrance hole of bottom half, high leakproofness cable joint includes: the main part, spiro union are in nut and the spiro union of main part upper end are in the nut of lower extreme, the main part prolongs the axial and is equipped with first entrance hole, and integrated into one piece has the spiral shell head on the lateral wall in the middle of and, be equipped with the sealing line body in the nut, the sealing line body is preceding narrow wide conical structure in back, and prolongs the axial and be equipped with the second entrance hole, the nut rear end be equipped with support in the flange of sealing line body rear end face, the first entrance hole rear end of main part is equipped with the horn mouth, the sealing line body front end is put in the horn mouth.

Take high leakproofness cable joint's ammeter case, its characterized in that: and the rear end of the wire sealing body is provided with a wire protecting sleeve extending out of the screw cap.

Take high leakproofness cable joint's ammeter case, its characterized in that: an annular groove is formed in the wire protecting sleeve of the wire sealing body, and the edge of the flange is embedded into the annular groove.

Take high leakproofness cable joint's ammeter case, its characterized in that: the screw head upper end face is equipped with the seal groove, be equipped with "O" shape circle in the seal groove.

Take high leakproofness cable joint's ammeter case, its characterized in that: a gap is formed between the front end of the wire sealing body and the nut, and solid lubricating oil is filled in the gap.

Take high leakproofness cable joint's ammeter case, its characterized in that: and the bottom of the box body is provided with a wire fixing clamp device corresponding to the upper part of the high-tightness cable joint, and the wire fixing clamp device comprises a clamp seat, an anchor ear and a screw rod connected with the clamp seat and the anchor ear.

Take high leakproofness cable joint's ammeter case, its characterized in that: sharp teeth are arranged in the hoop.

Take high leakproofness cable joint's ammeter case, its characterized in that: the nut, the nut and the screw head are all of an outer hexagonal structure.

Take high leakproofness cable joint's ammeter case, its characterized in that: the wire sealing body is made of rubber.

The utility model discloses a take high leakproofness cable joint's ammeter case advantage as follows: when the nut is screwed up with the main part in-process, extrude the body of sealing in the centre, because the effect that the body of sealing front end can receive the main part horn mouth shrinks to the center, and then can closely wrap up in the cable surface to play fixed and sealed effect to the cable.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

FIG. 1 is a schematic structural diagram of an electricity meter box of the present invention;

FIG. 2 is a schematic view of the bottom structure of the electric meter box of the present invention;

fig. 3 is a cross-sectional view of the utility model of an electricity meter box;

fig. 4 is an exploded view of the high-hermeticity cable joint of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 3;

fig. 6 and 7 are schematic structural views of the main body of the present invention from different angles;

fig. 8 is a schematic structural view of the wire sealing body of the present invention;

fig. 9 is a schematic structural view of the wire fixing clamp device of the present invention.

Detailed Description

Referring to fig. 1-9, the utility model discloses an ammeter case of area high leakproofness cable joint, including box 1, articulate the case lid 2 in box 1 upper end. Be equipped with ammeter mount pad 3 and installation guide rail 4 in the box 1, ammeter mount pad 3 is used for installing the ammeter, installation guide rail 4 is used for installing the circuit breaker. And a high-sealing cable joint 5 is arranged on the wire inlet hole at the bottom of the box body 1. The high-sealability cable joint 5 comprises: the main part 6, the nut 7 screwed on the upper end of the main part 6 and the nut 8 screwed on the lower end. The main body 6 is provided with a first wire inlet hole 9 along the axial direction, and a screw head 10 is integrally formed on the side wall in the middle of the main body 6. A wire sealing body 11 is arranged in the screw cap 8, the wire sealing body 11 is a conical structure with a narrow front part and a wide back part, and the taper of the conical structure is ideally between 12 degrees and 17 degrees, and is optimally 15 degrees, so that the wire sealing body 11 can be better contracted. The wire sealing body 11 is provided with a second wire inlet hole 12 along the axial direction, and the aperture of the second wire inlet hole 12 is slightly larger (usually larger than 0.5mm-2 mm) than the outer diameter of the standard cable. The rear end of the nut 8 is provided with a flange 13 abutting against the rear end face of the wire sealing body 11, and the flange 13 and the nut 8 are integrally formed. The rear end of the first wire inlet hole 9 of the main body 6 is provided with a bell mouth 14, and the front end of the wire sealing body 11 is arranged in the bell mouth 14. The high-tightness cable joint can be pre-installed at the bottom of the box body 1,

during assembly, the main body 6 penetrates through the wire inlet hole in the bottom of the box body 1, and then the nut 7 is screwed in to fix the main body.

Preferably, the rear end of the wire sealing body 11 is provided with a wire protecting sleeve 15 extending out of the nut 8 to prevent the surface of the cable from being damaged due to friction with the edge of the flange 1 of the nut 8. An annular groove 16 is formed in a wire protecting sleeve 15 of the wire sealing body 11, and the edge of the rib 13 is embedded into the annular groove 16, so that the wire sealing body 11 is fixed in the nut 8 and is prevented from falling off.

Preferably, a sealing groove 17 is formed in the upper end face of the screw head 10, and an O-ring 18 is arranged in the sealing groove 17, so as to seal the main body 6 and the box body 1.

Preferably, a gap 19 is formed between the front end of the wire sealing body 11 and the nut 8, the gap 19 is filled with solid lubricating oil, and after the solid lubricating oil is arranged, lubrication can be kept between the front end of the wire sealing body 11 and the bell mouth 14, so that the front end of the wire sealing body 11 can be more easily contracted. The solid lubricating oil can be any one commonly used in the market.

Preferably, a wire fixing clamp device 20 is arranged at the bottom of the box body 1 corresponding to the upper part of the high-tightness cable joint 5, and the wire fixing clamp device 20 comprises a clamp seat 21, an anchor ear 22 and a screw 23 connected with the clamp seat 21 and the anchor ear 22. The clamping seat 21 is fixed at the bottom of the box body 1 through a screw. After the external cable enters the box body 1 through the high-tightness cable joint, the external cable is clamped and fixed through the wire fixing clamp device 20, so that the firmness of the cable is further improved. The anchor ear 22 is provided with sharp teeth 24, and when the anchor ear 22 is screwed by the screw 23, the sharp teeth 24 pierce the surface of the cable, so as to further improve the firmness of connection with the cable.

Preferably, the nut 7, the nut 8 and the screw head 10 are all of an outer hexagonal structure so as to be operated by a hexagonal wrench.

Preferably, the wire sealing body 11 is made of a certain elastic rubber to ensure its better shrinkage and sealing.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides a take high leakproofness cable joint's ammeter case, includes box (1), articulates case lid (2) of box (1) upper end, be equipped with ammeter mount pad (3) and installation guide rail (4) in box (1), its characterized in that: install high leakproofness cable joint (5) on the entrance hole of box (1) bottom, high leakproofness cable joint (5) include: the main body (6), spiro union are in nut (7) and the spiro union of main part (6) upper end are in nut (8) of lower extreme, main part (6) extend the axial and are equipped with first entrance hole (9), and integrated into one piece has spiral shell head (10) on the lateral wall in the middle of and, be equipped with in nut (8) and seal the line body (11), seal the line body (11) for preceding narrow wide conical structure in back, and extend the axial and be equipped with second entrance hole (12), nut (8) rear end be equipped with support in flange (13) of seal the line body (11) rear end face, the first entrance hole (9) rear end of main part (6) is equipped with horn mouth (14), seal the line body (11) front end put in horn mouth (14).

2. The electric meter box with high-sealability cable joint of claim 1, wherein: and the rear end of the wire sealing body (11) is provided with a wire protecting sleeve (15) extending out of the screw cap (8).

3. The electric meter box with high-sealability cable joint according to claim 2, wherein: an annular groove (16) is formed in a wire protecting sleeve (15) of the wire sealing body (11), and the edge of the flange (13) is embedded into the annular groove (16).

4. The electric meter box with high-sealability cable joint of claim 1, wherein: the screw head is characterized in that a sealing groove (17) is formed in the upper end face of the screw head (10), and an O-shaped ring (18) is arranged in the sealing groove (17).

5. The electric meter box with high-sealability cable joint of claim 1, wherein: a gap (19) is formed between the front end of the wire sealing body (11) and the nut (8), and solid lubricating oil is filled in the gap (19).

6. The electric meter box with high-sealability cable joint of claim 1, wherein: and a wire fixing clamp device (20) is arranged at the bottom of the box body (1) and above the high-tightness cable joint (5), and the wire fixing clamp device (20) comprises a clamp seat (21), an anchor ear (22) and a screw rod (23) connected with the clamp seat (21) and the anchor ear (22).

7. The electric meter box with high-sealability cable joint of claim 6, wherein: sharp teeth (24) are arranged in the hoop (22).

8. The electric meter box with high-sealability cable joint of claim 1, wherein: the nut (7), the nut (8) and the screw head (10) are all of an outer hexagonal structure.

9. The electric meter box with high-sealability cable joint of claim 1, wherein: the wire sealing body (11) is made of rubber.