CN210015793U

CN210015793U - Cost control switch

Info

Publication number: CN210015793U
Application number: CN201921305210.6U
Authority: CN
Inventors: 沈腾跃; 和炎威; 宋烁; 庄延轩; 黄欣赟; 陈晓航; 郭清林
Original assignee: Guangdong Power Grid Co Ltd; Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-02-04
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a cost control switch, which comprises a box body, a waterproof part and a control part, wherein the upper end of the box body is provided with a cable interface for a cable to pass through, and the waterproof part is positioned above any cable interface and sleeved on the cable; the inner wall of the waterproof part is tightly attached to the cable, and the lower end face of the waterproof part is fixedly connected with the upper end face of the box body to realize sealing. The utility model provides a take inner wall and the cable of the waterproof part of accuse switch closely laminate with the rainwater that prevents the high altitude and fall down along the cable downstream, the lower extreme of waterproof part and the up end sealing connection of box flow into the box with the space that prevents to save the rainwater at the box up end along cable and cable interface. The waterproof part is arranged above the cable interface to shield rainwater from entering the box body, so that the phenomenon that an electrical element in the box body is tripped and closed repeatedly due to damp short circuit is avoided, and the using effect of a user is improved.

Description

Cost control switch

Technical Field

The utility model relates to a circuit breaker field especially relates to a take accuse switch.

Background

The prepayment circuit breaker is large in wire inlet and outlet hole and poor in sealing performance, particularly in some wet and rainy areas in the south, a user can cause misoperation tripping or even continuous repeated tripping and closing phenomena due to rainwater entering the prepayment circuit breaker, namely the charge control switch, in the using process, so that power failure or continuous power failure and recovery are caused, normal power utilization of the user is influenced, even indoor electric appliances of the user are damaged, and the user complains more and certain economic loss is caused.

In summary, how to avoid the situation that the switch in the box body is repeatedly tripped and closed due to the water inflow of the prepaid circuit breaker is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take accuse switch, can reduce the phenomenon that the switch in the box tripped repeatedly the combined floodgate, improve user's use impression.

In order to achieve the above object, the present invention provides a cost control switch, which comprises a box body having a cable port at the upper end for a cable to pass through, and a waterproof portion located above any one of the cable ports and sleeved on the cable; the inner wall of the waterproof part is tightly attached to the cable, and the lower end face of the waterproof part is fixedly connected with the upper end face of the box body to realize sealing.

Preferably, the waterproof part comprises a waterproof bolt fixedly connected with the upper end face of the box body and a waterproof cap positioned above the waterproof bolt; the lower end of the waterproof cap is screwed to the upper end of the waterproof bolt.

Preferably, the lower end surface of the waterproof bolt is welded to the upper end surface of the box body.

Preferably, the smallest dimension of the waterproof cap in the radial direction is larger than the diameter of the waterproof bolt.

Preferably, the waterproof cap is made of rubber; the inner diameter of the lower end of the waterproof cap is smaller than the outer diameter of the upper end of the waterproof bolt.

Preferably, the lower end of the waterproof cap is provided with an internal thread screwed to the outer circumference of the waterproof bolt.

Preferably, the waterproof device further comprises a sealant filled between the through hole of the waterproof part and the cable.

Compared with the prior art, the cost control switch provided by the utility model comprises a box body, wherein the upper end of the box body is provided with a cable interface for a cable to pass through and a waterproof part which is positioned at the upper end of any cable interface and sleeved on the cable; wherein, the periphery of cable is hugged closely to the inner wall of waterproof portion, and the up end fixed connection in order to realize sealing of the lower terminal surface of waterproof portion and box.

Above-mentioned expense accuse switch sets up waterproof portion with the clearance between shutoff cable interface and the cable to the cable interface of box upper end, avoids the rainwater to get into the box inside from the clearance, causes the interior switch of tripping operation combined floodgate repeatedly of box, influences the normal power consumption of user and leads to indoor electrical damage even, brings economic loss for the user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a cost control switch according to the prior art;

fig. 2 is a schematic structural diagram of a cost control switch according to an embodiment of the present invention;

FIG. 3 is a front view of FIG. 2;

the cable comprises a box body 1, a cable port 11, a cable 12, a waterproof bolt 2 and a waterproof cap 3.

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 a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a cost control switch in the prior art; fig. 2 is a schematic structural diagram of a cost control switch according to an embodiment of the present invention; fig. 3 is a front view of fig. 2.

The utility model provides a take accuse switch, be equipped with the box 1 of cable interface 11 including the upper end, cable 12 passes cable interface 11 and connects electrical elements such as switch in box 1, in order to avoid the rainwater to get into box 1 and arouse the tripping operation combined floodgate of switch, should take accuse switch and still locate the waterproof portion of cable 12 including the top that is located cable interface 11 and cover.

The middle part of the waterproof part is provided with a through hole for the cable 12 to pass through, the specific shape structure of the inner wall of the waterproof part, namely the inner wall of the through hole, is determined according to the shape structure of the cable 12, and the size of the inner wall is not larger than that of the cable 12 so that the inner wall of the waterproof part is tightly attached to the cable 12 to realize sealing; the outer diameter of the waterproof portion is larger than the size of the cable port 11 so that the lower end face of the waterproof portion is fixedly connected with the upper end face of the box body 1 to achieve sealing. The lower end face of the waterproof part and the upper end face of the box body 1 can be fixed through the prior art, and certainly, the lower end face of the waterproof part and the upper end face of the box body 1 can be fixed through the material of the waterproof part, for example, when the waterproof part is made of metal, the lower end face of the waterproof part can be fixedly connected to the upper end face of the box body 1 through welding; when the waterproof part is made of rubber or nonmetal, the lower end surface of the waterproof part can be adhered to the upper end surface of the box body 1 through the sealant.

The utility model discloses a core lies in utilizing between waterproof portion shutoff cable 12 and cable interface 11's the space, and the waterproof portion cover is located cable 12 and is also the inner wall of waterproof portion and the lateral wall sealing connection of cable 12 to avoid the rainwater to fall into cable interface 11 from the high altitude in, in addition, the lower terminal surface of waterproof portion and the up end fixed connection of box 1, in order to prevent the ponding of the 1 up end of box to flow in cable interface 11.

The charge control switch provided by the present invention will be further described with reference to the accompanying drawings and embodiments.

In one embodiment, please refer to fig. 2 and 3, the waterproof portion includes a waterproof bolt 2 and a waterproof cap 3, the waterproof bolt 2 and the waterproof cap 3 are both sleeved on the cable 12, and the waterproof cap 3 is located above the waterproof bolt 2. The middle parts of the waterproof caps 3 and the waterproof bolts 2 are provided with through holes for the cables 12 to pass through, the inner walls of the through holes of the waterproof caps 3 are attached to the cables 12, the waterproof bolts 2 are fixed on the upper end face of the box body 1, and the lower ends of the waterproof caps 3 are screwed on the waterproof bolts 2 so as to ensure that the waterproof caps 3 are tightly connected with the waterproof bolts 2.

The waterproof bolt 2 can also be directly welded to the cable interface 11 to achieve the sealing connection between the waterproof bolt 2 and the cable interface 11. Preferably, the waterproof bolt 2 is a water stop bolt with a water stop sheet, the water stop bolt penetrates into the cable interface 11, an inner ring of the water stop sheet is welded with the water stop bolt, and an outer ring of the water stop sheet is welded with the cable interface 11, so that the water stop bolt and the box body 1 form a whole. When the water stop sheet is welded, the height of the inner ring of the water stop sheet can be slightly higher than that of the outer ring, so that the water stop sheet and the side wall of the water stop bolt form a slope with a high middle part and a low periphery, and rainwater is prevented from accumulating between the water stop sheet and the cable connector 11 to cause corrosion of the water stop sheet.

In order to make waterproof cap 3's lower extreme and waterproof bolt 2 close closely soon, waterproof cap 3 can set up to waterproof cap 3 of rubber, and the internal diameter of waterproof cap 3 of rubber is less than the size of cable 12, when waterproof cap 3 of rubber is worn to locate by cable 12, the waterproof cap 3 of cable 12 extrusion rubber is close to the inner wall of upper end so that waterproof cap 3 of rubber is close to the inner wall expansion of upper end and closely laminates in cable 12 periphery, waterproof bolt 2 of waterproof bolt and cable 12's periphery is located to the inner wall cover that waterproof cap 3 of rubber is close to the lower extreme, in order to ensure waterproof cap 3 of rubber and waterproof bolt 2 sealing connection.

The waterproof cap 3 can be made of plastic or even metal. When waterproof cap 3 adopted the metal material, waterproof cap 3's lower extreme can set up the internal thread in order to close soon with the external screw thread of waterproof bolt 2 upper end, waterproof bolt 2's internal diameter and cable 12's plastic sheath interference fit in order to realize sealing connection. Since the radial dimension of the waterproof cap 3 is larger than the dimension of the waterproof bolt 2, the waterproof cap 3 can stop rainwater from entering the upper end of the waterproof bolt 2.

On the basis of any embodiment of the aforesaid, closely laminate in order to realize sealedly with the inner wall of waterproof portion after in order to ensure that cable 12 passes the interface of waterproof portion, the utility model provides a take accuse switch still including filling sealed glue between the through-hole of waterproof portion and cable 12.

In the embodiment of the waterproof cap 3 made of metal, when the cable 12 passes through the waterproof bolt 2 without the waterproof cap 3, a sealant is disposed between the through hole in the middle of the waterproof bolt 2 and the cable 12 to seal the through hole of the waterproof bolt 2, and then the lower end of the waterproof cap 3 is screwed to the upper end of the waterproof bolt 2.

Further, the waterproof cap 3 and the waterproof bolt 2 are both made of corrosion-resistant materials or the surfaces of the waterproof cap 3 and the waterproof bolt 2 are provided with corrosion-resistant layers so as to prolong the service life of the waterproof cap 3 and the waterproof bolt 2.

The fee control switch provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The charge control switch comprises a box body (1) with a cable interface (11) at the upper end for a cable (12) to pass through, and is characterized by also comprising a waterproof part which is positioned above any cable interface (11) and sleeved on the cable (12); the inner wall of the waterproof part is tightly attached to the cable (12), and the lower end face of the waterproof part is fixedly connected with the upper end face of the box body (1) to realize sealing.

2. The charge control switch according to claim 1, wherein the waterproof portion comprises a waterproof bolt (2) fixedly connected to an upper end surface of the case (1) and a waterproof cap (3) positioned above the waterproof bolt (2); the lower end of the waterproof cap (3) is screwed to the upper end of the waterproof bolt (2).

3. A cost switch according to claim 2, characterized in that the lower end face of said water-tight bolt (2) is welded to the upper end face of said case (1).

4. A cost switch according to claim 3, characterized in that the smallest dimension of the watertight cap (3) in the radial direction is larger than the diameter of the watertight bolt (2).

5. A cost switch according to claim 4, characterized in that said waterproof cap (3) is made of rubber; the inner diameter of the lower end of the waterproof cap (3) is smaller than the outer diameter of the upper end of the waterproof bolt (2).

6. A cost switch according to claim 4, characterized in that the lower end of the waterproof cap (3) is provided with an internal thread for screwing to the outer circumference of the waterproof bolt (2).

7. The cost controlled switch according to any one of claims 1 to 6, further comprising a sealant filled between the through hole of the waterproof portion and the cable (12).