CN212298084U

CN212298084U - Equipotential protection against electric shock pipe fitting

Info

Publication number: CN212298084U
Application number: CN202020888154.XU
Authority: CN
Inventors: 杨利忠
Original assignee: Fujian Fuhua Pipe Industry Co ltd
Current assignee: Fujian Fuhua Pipe Industry Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-05
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to an equipotential protection against electric shock pipe fitting, it mainly solves the problem of poor installation convenience in the prior art, including the elbow bend made of plastics, the elbow bend has the first interface and the second interface that communicate with each other, the first interface of elbow bend is equipped with the metal joint that is made of metal material and is tubular and has internal screw thread, the inner surface that surrounds the metal joint and is close to the lower extreme is provided with the bulge loop, the inner surface that surrounds the metal joint is located the downside of bulge loop and is provided with the internal pressure relief groove, the lateral surface of metal joint is provided with a lug along its radial direction, the upper surface of lug is provided with a screw hole along the axial direction of metal joint, a through hole is provided on the lateral surface of lug along the radial direction of metal joint, the through hole communicates with the screw hole, the upper end of metal joint is provided with the terminal surface along its radial direction extension, the outer surface that surrounds the metal joint and is, the outer surface of the elbow bend is provided with a mounting fixed wing.

Description

Equipotential protection against electric shock pipe fitting

Technical Field

The utility model relates to an equipotential protection against electric shock pipe fitting.

Background

The human body resistance can become small when the body is wet, and the electric shock phenomenon can occur only when the low-voltage passes through the wet human body, so that when the electric heater leaks electricity or thunder and static electricity occur, great hidden danger exists for the safety of the human body. Relevant regulations are released in the decoration industry of China, and the regulations implement equipotential mandatory installation on toilets of new buildings.

In the prior art, various equipotential mounting technologies exist, for example, a water pipe with equipotential connecting terminals disclosed in the prior art with application number 201520314037.1 includes a pipe body, an inner terminal is provided on the pipe body and is connected with a local equipotential connecting terminal reserved in a building through a wire, when in use, the wire which is embedded in a wall in advance and is connected with the local equipotential connecting terminal is connected to the inner terminal of the pipe body, so that the potential between a faucet or a valve and the local equipotential connecting terminal of the building can be equalized, and an LEB wire box is prevented from being arranged on a wall beside the faucet or the valve, thereby causing potential safety hazards; however, in the connection process, the lead needs to be wound on the screw and then screwed into the axial screw hole to be connected with the outer protrusion of the warp, so that the installation difficulty is high, and the lead is easy to break in the installation process.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides an equipotential protection against electric shock pipe fitting, it has mainly solved the poor problem of installation convenience among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an equipotential electric shock protection pipe fitting comprises a right angle bend made of plastics, wherein the right angle bend is provided with a first interface and a second interface which are mutually communicated, the first interface of the right angle bend is provided with a metal joint which is made of metal materials and is tubular and provided with an internal thread, the metal joint and the right angle bend are integrally injection-molded, a convex ring is arranged around the inner surface of the metal joint and close to the lower end, an inner decompression groove is arranged on the lower side of the convex ring around the inner surface of the metal joint, a convex block is arranged on the outer side surface of the metal joint along the radial direction of the metal joint, a threaded hole is arranged on the upper surface of the convex block along the axial direction of the metal joint, a through hole is arranged on the outer side surface of the convex block along the radial direction of the metal joint, the through hole is communicated with the threaded hole, and the upper, encircle just be provided with two at least archs side by side along its axial direction on the surface of metal joint, elbow bend's surface is provided with the installation stationary vane.

Furthermore, the lower end of the metal joint is provided with anti-twisting bottom teeth.

Furthermore, the number of the bulges is two, the first bulges and the second bulges are sequentially arranged from top to bottom, and the diameter size of the first bulges is larger than that of the second bulges.

Furthermore, an outer leakage-proof groove is formed on the lower surface surrounding the end face, the first protrusion and the second protrusion.

Furthermore, a limiting convex ring is arranged on the outer surface of the metal joint and positioned on the lower sides of the first protrusion and the second protrusion.

Furthermore, three limiting bulges are arranged on the outer surface surrounding the end surface.

By adopting the technical scheme, the beneficial effects of the utility model are that: the equipotential electric shock preventing pipe fitting is characterized in that a metal joint is integrally injection-molded through a first interface of a right-angled bend, a through hole and a threaded hole are formed in a convex block of the joint and are in a right-angle communication structure, the metal joint can be inserted into the through hole through a conducting wire when the equipotential electric shock preventing pipe fitting is used and the conducting wire is tightly pressed in the threaded hole through screwing of a screw, the mounting convenience is good, the right-angled bend made of plastic is combined with a metal joint to be connected with a ground wire through the conducting wire to play a role of electric shock prevention, a mounting fixing wing is arranged on the outer surface of the right-angled bend, so that the placing stability is good, the deviation is prevented, the mounting convenience is further improved, a convex ring is arranged in connection with a long pipe fitting, the end surface of the long pipe fitting is abutted against a convex edge to form limit, the long pipe fitting and the pipe fitting form a size, the right-angle elbow and the metal joint are firmly connected, and the problems of expansion with heat and contraction with cold are prevented; furthermore, the arranged anti-twisting bottom teeth and the limiting bulges arranged on the outer surfaces of the end surfaces improve the borne maximum torque force in the threaded connection of the metal joint; further, the first arch, the second arch, outer leak protection groove and the spacing bulge loop that set up improve simultaneously with elbow bend's fastness of being connected.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention;

fig. 3 is a schematic sectional structure diagram of a metal joint in an embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the utility model provides a do:

referring to fig. 1, 2 and 3, an equipotential electric shock protection pipe fitting includes a quarter bend made of plastic, the quarter bend 1 has a first interface 11 and a second interface 12 that are communicated with each other, the first interface 11 of the quarter bend 1 is provided with a metal joint 2 made of a metal material and having a tubular shape with an internal thread, the metal joint 2 and the quarter bend 1 are integrally injection-molded, a protruding ring 3 is provided around an inner surface of the metal joint 2 and near a lower end, an inner pressure-reducing groove 4 is provided around the inner surface of the metal joint 2 and under the protruding ring 3, a bottom-twisting prevention tooth 5 is provided at the lower end of the metal joint 2, a protruding block 6 is provided on an outer side surface of the metal joint 2 along a radial direction thereof, a threaded hole 7 is provided on an upper surface of the protruding block 6 along the axial direction of the metal joint 2, a through hole 8 is provided on the outer side surface of the protruding block 6 along the radial direction of the metal joint 2, through-hole 8 and screw hole 7 intercommunication, the upper end of metal joint 2 extends along its radial direction and is provided with terminal surface 9, encircles be provided with three spacing arch 10 on the surface of terminal surface 9, encircle just be provided with two archs side by side along its axial direction on the surface of metal joint 2, and from the top down be first arch 20 and the protruding 21 of second in proper order, the diameter size of first arch 20 is greater than the diameter size of the protruding 21 of second, encircles the lower surface of terminal surface 9, first arch 20 and the protruding 21 of second all is provided with outer leak protection groove 22, the downside that lies in first arch 20 and the protruding 21 of second on the surface of metal joint 2 is provided with spacing bulge loop 23, elbow bend 1's surface is provided with installation stationary vane 30.

The utility model discloses a working method is: the equipotential electric shock preventing pipe fitting is characterized in that the metal joint 2 is integrally injection-molded through the first interface 11 of the elbow bend 1, meanwhile, a through hole 8 and a threaded hole 7 are formed in a convex block 6 of the metal joint 2 and are in a right-angle communication structure, when the equipotential electric shock preventing pipe fitting is used, a lead can be inserted into the through hole 8 through the lead and can be screwed into the threaded hole 7 through a screw 40 to press the lead tightly, the mounting convenience is good, the elbow bend 1 made of plastic is combined with the metal joint 2 to be connected with a ground wire to play a role of electric shock prevention, meanwhile, the outer surface of the elbow bend 1 is provided with a mounting fixing wing 30, the placing stability is good, the deviation prevention is realized, the mounting convenience is further improved, the arranged convex ring 3 is connected with a long pipe fitting, the end surface of the long pipe fitting is abutted against the convex edge 3 to form limit, the long pipe fitting and the, the arranged inner pressure reduction groove 4 is filled in the injection molding process, so that the right-angle elbow 1 and the metal joint 2 are firmly connected, and the problems of expansion with heat and contraction with cold are prevented; the anti-twisting bottom teeth 5 and the limiting bulges 10 arranged on the outer surfaces of the end surfaces 9 improve the maximum torque force borne in the threaded connection of the metal joint 2; the first bulge 20, the second bulge 21, the outer leakage-proof groove 22 and the limit convex ring 23 are arranged to simultaneously improve the connection firmness with the elbow bend 1.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an equipotential protection against electric shock pipe fitting which characterized in that: the pipe fitting comprises a right-angle bend made of plastics, the right-angle bend is provided with a first interface and a second interface which are mutually communicated, the first interface of the right-angle bend is provided with a metal joint which is made of metal materials and is tubular and provided with an internal thread, the metal joint and the right-angle bend are integrally molded by injection, a convex ring is arranged around the inner surface of the metal joint and close to the lower end, an inner decompression groove is arranged on the lower side of the convex ring on the inner surface of the metal joint, a convex block is arranged on the outer side surface of the metal joint along the radial direction of the metal joint, a threaded hole is arranged on the upper surface of the convex block along the axial direction of the metal joint, a through hole is arranged on the outer side surface of the convex block along the radial direction of the metal joint, the through hole is communicated with the threaded hole, the upper end surface of the metal joint extends along the radial direction of the, and the outer surface of the right-angle elbow is provided with a mounting fixed wing.

2. The equipotential electrical shock protection pipe of claim 1, wherein: the lower end of the metal joint is provided with anti-twisting bottom teeth.

3. The equipotential electric shock protection pipe fitting of claim 1 or 2, wherein: the number of the protrusions is two, the first protrusions and the second protrusions are sequentially arranged from top to bottom, and the diameter size of the first protrusions is larger than that of the second protrusions.

4. The equipotential electric shock protection pipe of claim 3, wherein: and outer leakage-proof grooves are formed on the lower surfaces of the end face, the first protrusion and the second protrusion in a surrounding manner.

5. The equipotential electric shock protection pipe of claim 3, wherein: and a limiting convex ring is arranged on the outer surface of the metal joint and positioned at the lower sides of the first bulge and the second bulge.

6. The equipotential electrical shock protection pipe of claim 5, wherein: three limiting bulges are arranged on the outer surface surrounding the end surface.