CN213151552U

CN213151552U - Pin-connected panel PVC electrician's pipe that shocks resistance

Info

Publication number: CN213151552U
Application number: CN202022451862.XU
Authority: CN
Inventors: 吴明
Original assignee: Fuzhou Tianzhu Technology Development Co ltd
Current assignee: Fuzhou Tianzhu Technology Development Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-07
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a pair of pin-connected panel PVC electrician's pipe that shocks resistance, including outer tube and inner tube, the inner tube outer wall is provided with four at least convex strips that outwards bulge along its circumference equidistant, the convex strip is rectangular form, the one end that the convex strip is close to the outer tube inner wall is equipped with the fixture block that longitudinal section is isosceles trapezoid, the upper surface length size of fixture block is greater than lower surface length size, the lower surface connection convex strip of fixture block, the outer tube inner wall is equipped with the coupling mechanism corresponding with the convex strip, coupling mechanism includes the connecting plate that sets up in the convex strip both sides relatively, adopt above-mentioned technical scheme, align the fixture block on the inner tube with the draw-in groove in the coupling mechanism in the outer tube, can assemble the inner tube to the outer tube, wire and cable installs to the inner tube, when the outer tube bears external pressure, pressure passes through on each convex strip of coupling mechanism transmission, the convex, improve the shock resistance of the utility model.

Description

Pin-connected panel PVC electrician's pipe that shocks resistance

Technical Field

The utility model relates to a PVC electrician's pipe field, in particular to pin-connected panel PVC electrician's pipe that shocks resistance.

Background

The PVC electrical conduit is commonly called as an insulating electrical conduit for buildings, is a white hard PVC conduit, and is a conduit for preventing corrosion, electric leakage and electric wire penetration. Is divided into a plastic threading pipe, a stainless steel threading pipe and a carbon steel threading pipe.

It is used in normal indoor environment and places with high temperature, dustiness, vibration and fire hazard. It can also be used in humid places. It must not be used in places which are particularly humid, have acid, alkali, salt corrosion and have explosion risks.

PVC electrical pipes in the prior art are often laid in a wall body or under a floor and are extruded to a certain degree, so that the PVC electrical pipes need to have better anti-extrusion performance. The extrusion resistance of current PVC electrical pipes still needs to be improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides a PVC electrical pipe shocks resistance of pin-connected panel to solve the above-mentioned defect that exists among the background art.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides a pin-connected panel PVC electrician's pipe that shocks resistance, includes outer tube and inner tube, the inner tube outer wall is provided with four at least outside bellied sand grips along its circumference equidistant, the sand grip is rectangular form, the sand grip is close to one of outer tube inner wall serves and is equipped with the fixture block that the longitudinal section is isosceles trapezoid, the upper surface length size of fixture block is greater than lower surface length size, the lower surface of fixture block is connected the sand grip, the outer tube inner wall is equipped with the coupling mechanism corresponding with the sand grip, coupling mechanism is including the relative connecting plate that sets up in the sand grip both sides, the connecting plate is close to be equipped with on one side of sand grip with the draw-.

Preferably, the outer tube is made by the PVC material, outer tube outer wall has set gradually fire-retardant layer, antistatic layer and metal skin from inside to outside.

Preferably, the outer wall of the metal outer layer is uniformly provided with a plurality of impact-resistant protrusions.

Preferably, the impact resistant protrusion is wear resistant rubber.

Preferably, the inner wall of the inner pipe is provided with a metal mesh for electromagnetic shielding.

Preferably, the both ends of inner tube still are equipped with bunching device, bunching device includes bunch seat and bunch area, bunch seat fixed mounting in inner tube inner wall, the one end in bunch area is connected the bunch seat, be equipped with in the bunch seat and be used for the one-way bunch chamber that passes of bunch area.

(III) advantageous effects

The beneficial effects of the utility model reside in that: adopt above-mentioned technical scheme, aim at the draw-in groove in the interior coupling mechanism of outer tube with the fixture block on the inner tube, can assemble the inner tube to the outer tube in, wire and cable installs to the inner tube in, when the outer tube bears external pressure, on pressure passes through each sand grip of coupling mechanism transmission, the sand grip passes through fixture block fixed connection coupling mechanism for the connection between inner tube and outer tube is more firm under the exogenic action, improves the utility model discloses an impact resistance.

Drawings

FIG. 1 is a schematic transverse cross-sectional view of an assembled impact-resistant PVC electrical pipe;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the outer tube structure;

fig. 4 is a schematic view of the inner tube structure.

[ description of reference ]

100-a connection mechanism; 101-a connecting plate; 102-card slot;

200-an outer tube; 201-a flame retardant layer; 202-an antistatic layer; 203-metal outer layer; 204-impact resistant bumps;

300-convex strips; 301-a fixture block;

400-inner tube; 401-metal mesh; 402-a wire harness mount; 403-cable tie.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Referring to fig. 1 to 2, the utility model provides an assembly type impact-resistant PVC electrical conduit, including an outer tube 200 and an inner tube 400, the outer wall of the inner tube 400 is provided with at least four raised strips 300 protruding outwards at equal intervals along the circumferential direction, the raised strips 300 are strip-shaped, one end of the raised strips 300 close to the inner wall of the outer tube 200 is provided with a fixture block 301 with an isosceles trapezoid longitudinal section, the length of the upper surface of the fixture block 301 is greater than that of the lower surface, the lower surface of the fixture block 301 is connected with the raised strips 300, the inner wall of the outer tube 200 is provided with a connecting mechanism 100 corresponding to the raised strips 300, the connecting mechanism 100 comprises connecting plates 101 arranged at two sides of the raised strips 300, one side of the connecting plate 101 close to; during the use, aim at draw-in groove 102 in the outer tube 200 in the coupling mechanism 100 with fixture block 301 on the inner tube 400, can assemble the inner tube 400 to the outer tube 200 in, wire and cable installs to the inner tube 400 in, when the outer tube 200 bears external pressure, on pressure passes through each sand grip 300 of coupling mechanism 100 transmission, sand grip 300 passes through fixture block 301 fixed connection coupling mechanism 100 for the connection between inner tube 400 and outer tube 200 is more firm under the exogenic action, improves the utility model discloses an impact resistance.

Referring to fig. 3, in the present embodiment, the outer tube 200 is made of a PVC material, and a flame retardant layer 201, an antistatic layer 202 and a metal outer layer 203 are sequentially disposed on the outer wall of the outer tube 200 from inside to outside, so that the outer tube 200 has flame retardant, antistatic, durable and good impact resistance.

In this embodiment, the outer wall of the metal outer layer 203 is uniformly provided with a plurality of impact-resistant protrusions 204.

In this embodiment, the impact resistant protrusion 204 is wear resistant rubber.

Referring to fig. 4, in the present embodiment, a metal mesh 401 for electromagnetic shielding is disposed on an inner wall of the inner tube 400, so that the inner tube 400 has an electromagnetic shielding function.

In this embodiment, two ends of the inner tube 400 are further provided with a wire bunching device, the wire bunching device includes a wire bunching seat 402 and a wire bunching belt 403, the wire bunching seat 402 is fixedly installed on the inner wall of the inner tube 400, one end of the wire bunching belt 403 is connected with the wire bunching seat 402, a wire bunching cavity for the wire bunching belt 403 to pass through in a single direction is arranged in the wire bunching seat 402, and a free end of the wire bunching belt 403 passes through the wire bunching cavity, so that an electric wire and a cable in the inner tube 400 can be bundled.

The working principle of the utility model is as follows: aim at draw-in groove 102 in the outer tube 200 in the coupling mechanism 100 with fixture block 301 on the inner tube 400, can assemble inner tube 400 to the outer tube 200 in, wire and cable installs to the inner tube 400 in, when the outer tube 200 bears external pressure, on pressure passes through each sand grip 300 of coupling mechanism 100 transmission, sand grip 300 passes through fixture block 301 fixed connection coupling mechanism 100 for the connection between inner tube 400 and outer tube 200 is more firm under the exogenic action, improves the utility model discloses an impact resistance.

The above embodiments are only embodiments of the present invention, not limiting the scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or directly or indirectly applied to the related technical fields, are included in the protection scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pin-connected panel PVC electrician's pipe that shocks resistance, a serial communication port, including outer tube and inner tube, the inner tube outer wall is provided with four at least outside bellied sand grips along its circumference equidistant, the sand grip is rectangular form, the sand grip is close to one of outer tube inner wall serves and is equipped with the fixture block that the longitudinal section is isosceles trapezoid, the upper surface length size of fixture block is greater than lower surface length size, the lower surface of fixture block is connected the sand grip, the outer tube inner wall is equipped with the coupling mechanism corresponding with the sand grip, coupling mechanism is including the relative connecting plate that sets up in the sand grip both sides, the connecting plate is close to be equipped with on one side of sand grip with the draw.

2. The assembled impact-resistant PVC electrical pipe according to claim 1, wherein the outer pipe is made of PVC material, and the outer wall of the outer pipe is provided with a flame retardant layer, an antistatic layer and a metal outer layer in sequence from inside to outside.

3. The assembled impact-resistant PVC electrical pipe according to claim 2, wherein the outer wall of the metal outer layer is uniformly provided with a plurality of impact-resistant protrusions.

4. The assembled impact-resistant PVC electrical pipe according to claim 3, wherein the impact-resistant protrusion is wear-resistant rubber.

5. The assembled impact-resistant PVC electrical pipe according to claim 1, wherein the inner wall of the inner pipe is provided with a metal mesh for electromagnetic shielding.

6. The assembled impact-resistant PVC electrical pipe according to claim 1, wherein bunching devices are further arranged at two ends of the inner pipe, each bunching device comprises a bunching seat and a bunching belt, the bunching seats are fixedly mounted on the inner wall of the inner pipe, one end of each bunching belt is connected with the bunching seat, and a bunching cavity for the bunching belts to pass through in a single direction is arranged in each bunching seat.