CN210628217U - Line connector structure for leakage circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of circuit equipment, and a line connector structure for leakage circuit breaker is disclosed, including the zero line, the one end of zero line is connected with the connector, the other end of connector is connected to leakage circuit breaker's kneck, the connector includes fastener and connecting piece, fastener fixed connection is in the lateral surface of zero line, and the connector is connected with leakage circuit breaker's kneck through the connecting piece, and fixed screw has been seted up to the lateral surface of connecting piece, and leakage circuit breaker's set screw sees through the inboard that fixed screw extends to the connector, and the inboard one end that the zero line is located the connector is equipped with the sinle silk. When the screw drives the sinle silk and fixes, contact with the guide block, can have certain resistance, when meetting the resistance, can think to carry out certain fastening to the sinle silk, and the sinle silk can contact with the guide block, and the guide block is the metalwork, possesses certain electric conduction ability, so can not influence the normal use of circuit breaker, and can reach the protection effect.

Description

Line connector structure for leakage circuit breaker

Technical Field

The utility model relates to a circuit equipment technical field specifically is a line connection head structure for leakage circuit breaker.

Background

The electric submersible pump is one of the multistage centrifugal pumps and is an important mechanical oil extraction device. The power passes through the switch board and carries the electric energy for latent oily charge pump, and latent oily motor drives the centrifugal pump and rotates, makes electric energy conversion mechanical energy through the rotation, because the function of machinery, fluid in the oil well passes through oil pipe and carries to ground.

In oily charge pump oil transportation in-process dives, the variable frequency control cabinet can be used, the operating frequency of variable frequency control cabinet mainly used regulating apparatus, reduce the energy loss, can steady starting equipment, produce the harm of heavy current to the motor when reducing equipment direct start, but electric leakage circuit breaker goes up the zero line in the connection process, operating personnel need press from both sides the zero line with the screw and press from both sides tightly fixedly, make zero line and guide card be connected, when fixed screwing up, can have to screw up the action once more after screwing up, it screws up to have verified, but this kind of verification mode can exist and use too big, cause the fracture of zero line easily, or the quick fracture of zero line, along with the increase of live time, the fracture can take place for the zero line that does not fracture, thereby cause electric leakage circuit breaker's maloperation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a line connector structure for leakage circuit breaker possesses the advantage that prevents the zero line short circuit, has solved current leakage circuit breaker when the zero line is connected, causes the zero line to damage the fracture easily to cause the problem of leakage circuit breaker maloperation.

The utility model provides a following technical scheme: a line connector structure for an electric leakage circuit breaker comprises a zero line, wherein one end of the zero line is connected with a connector, the other end of the connector is connected to a connector of the electric leakage circuit breaker, the connector comprises a fastener and a connecting piece, the fastener is fixedly connected to the outer side surface of the zero line, the connector is connected with the connector of the electric leakage circuit breaker through the connecting piece, a fixing screw hole is formed in the outer side surface of the connecting piece, a fixing screw of the electric leakage circuit breaker extends to the inner side of the connector through the fixing screw hole, a wire core is arranged at one end, located on the inner side of the connector, of the zero line, an interface is formed in one side, away from the fixing screw hole, of the connecting piece, the inner side of the interface is connected with a guide block, connecting end surfaces are arranged on two, the outer surface of the connecting end surface is extended with a convex block, and the other end of the convex block extends to the inner side of the notch.

Preferably, the fastener comprises a connecting seat, the connecting seat is sleeved on the outer side of the zero line, a fastening seat is arranged on the inner side of the connecting seat, the fastening seat is in contact with the outer surface of the zero line, and an inner gasket is arranged between the fastening seat and the zero line.

Preferably, a plurality of pores are formed in the inner gasket, and the pores are regularly distributed.

The utility model discloses possess following beneficial effect:

1. this line connector structure for leakage circuit breaker, through the design of connector, the connector can effectively prevent the infringement of humidity to the zero line, the humidity makes insulation resistance descend, make the too much moist gas of zero line surface adsorption, form the water film on its surface, because the formation of water film makes the electric conductivity of zero line improve, thereby make the insulation resistance of zero line show and reduce, thereby cause leakage circuit breaker's maloperation easily, so the design of this connector can effectively prevent the emergence of maloperation.

2. This line connection head structure for earth leakage circuit breaker, protect the sinle silk through the connector, the design of screw is that cooperation fastening screw uses, because the guide block has certain motivity, when the screw drives the sinle silk and fixes, contact with the guide block, can have certain resistance, when meetting the resistance, can regard as carrying out certain fastening to the sinle silk, and the sinle silk can contact with the guide block, and the guide block is the metalwork, possess certain electric conduction ability, so can not influence the normal use of circuit breaker, and can reach the protecting effect, the advantage of preventing the zero line short circuit has been reached, when having solved current earth leakage circuit breaker and connecting at the zero line, cause the zero line to damage the fracture easily, thereby cause the problem of earth leakage circuit breaker maloperation.

Drawings

FIG. 1 is a schematic view of a null line port of the present invention;

FIG. 2 is a sectional view of the structure of the connector of the present invention;

FIG. 3 is a cross-sectional view of the fastener structure of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 1. a zero line; 11. a wire core; 2. a connector; 21. a fastener; 211. a connecting seat; 212. a fastening seat; 213. an inner gasket; 2131. fine pores; 22. a connecting member; 221. fixing screw holes; 222. connecting the end faces; 223. an interface; 224. a raised block; 3. a guide block; 31. a recess.

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.

Referring to fig. 1-4, a line connector structure for a leakage circuit breaker, includes a zero line 1, one end of the zero line 1 is connected to a connector 2, the other end of the connector 2 is connected to a connector of the leakage circuit breaker, the connector 2 includes a fastener 21 and a connector 22, the fastener 21 is fixedly connected to an outer side of the zero line 1, the connector 2 is connected to the connector of the leakage circuit breaker through the connector 22, the fastener 21 includes a connector seat 211, the connector seat 211 is sleeved on an outer side of the zero line 1, a fastening seat 212 is disposed on an inner side of the connector seat 211, the fastening seat 212 is in contact with an outer surface of the zero line 1, an inner gasket 213 is disposed between the fastening seat 212 and the zero line 1, the inner gasket 213 is a rubber sheet and has a certain moisture isolation effect, a plurality of fine holes 2131 are disposed inside the inner gasket 213, and the fine holes 213, the connector can effectively prevent the damage of moisture to the zero line, the moisture enables the insulation resistance to be reduced, the excessive moisture gas is adsorbed on the surface of the zero line 1, a water film is formed on the surface of the zero line 1, the electrical conductivity of the zero line 1 is improved due to the formation of the water film, the insulation resistance of the zero line 1 is obviously reduced, and the misoperation of the residual current circuit breaker is easily caused, so the design of the connector 2 can effectively prevent the misoperation, the outer side surface of the connecting piece 22 is provided with a fixing screw hole 221, the fixing screw of the residual current circuit breaker extends to the inner side of the connector 2 through the fixing screw hole 221, the end of the zero line 1, which is positioned at the inner side of the connector 2, is provided with a wire core 11, one side of the connecting piece 22, which is far away from the fixing screw hole 221, the inner side of the interface 223 is connected with a guide, the two side surfaces of the guide block 3 close to the connecting end surface 222 are provided with notches 31, the outer surface of the connecting end surface 222 extends to form a convex block 224, the other end of the convex block 224 extends to the inner side of the notch 31, the wire core 11 is protected through the connector 2, the screw hole is designed to be matched with a fastening screw for use, as the guide block 3 has certain mobility, when the screw drives the wire core 11 to be fixed, the guide block 3 is contacted with the guide block 3, certain resistance exists, when the resistance is met, the wire core 11 can be considered to be fixed, the wire core 11 can be contacted with the guide block 3, and the guide block 3 is a metal piece and has certain electric conductivity, so the normal use of the circuit breaker can not be influenced, the protection effect can be achieved, the advantage of preventing the short circuit of the wire core 1 is achieved, the problem that the zero line is easy to damage and break when the existing leakage circuit, thereby causing the problem of misoperation of the residual current circuit breaker.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a line connection head structure for leakage circuit breaker, includes zero line (1), its characterized in that: the one end of zero line (1) is connected with connector (2), the other end of connector (2) is connected to electric leakage circuit breaker's kneck, connector (2) include fastener (21) and connecting piece (22), fastener (21) fixed connection is in the lateral surface of zero line (1), connector (2) are connected with electric leakage circuit breaker's kneck through connecting piece (22), fixed screw (221) have been seted up to the lateral surface of connecting piece (22), electric leakage circuit breaker's set screw sees through the inboard that fixed screw (221) extended to connector (2), and the inboard one end that zero line (1) is located connector (2) is equipped with sinle silk (11), interface (223) have been seted up to one side that fixed screw (221) were kept away from to connecting piece (22), the inboard of interface (223) is connected with guide block (3), the both sides of interface (223) are equipped with connection terminal surface (222), the outer side surface of the connecting end surface (222) is provided with a protruding block (224), two side surfaces, close to the connecting end surface (222), of the guide block (3) are provided with notches (31), the outer surface of the connecting end surface (222) extends to form the protruding block (224), and the other end of the protruding block (224) extends to the inner side of the notch (31).

2. The line connector structure for a residual current circuit breaker according to claim 1, wherein: fastener (21) are including connecting seat (211), connecting seat (211) cup joint in the outside of zero line (1), the inboard of connecting seat (211) is equipped with fastening seat (212), fastening seat (212) contact with the surface of zero line (1), be equipped with interior gasket (213) between fastening seat (212) and zero line (1).

3. The line connector structure for a residual current circuit breaker according to claim 2, wherein: a plurality of fine holes (2131) are formed in the inner gasket (213), and the fine holes (2131) are regularly distributed.

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