CN214124702U

CN214124702U - Low-resistance wear-resistant plastic-steel composite cable guide

Info

Publication number: CN214124702U
Application number: CN202120135670.XU
Authority: CN
Inventors: 薛涛; 肖勤; 高玲; 金蓓蓓; 陈自富
Original assignee: Nanjing Hetao Plastic Co ltd
Current assignee: Nanjing Hetao Plastic Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-03
Anticipated expiration: 2031-01-18

Abstract

The application relates to a low-resistance wear-resistant plastic-steel composite cable guide pipe which comprises a glass steel pipe and an inner pipe, wherein the glass steel pipe is coated on the inner pipe, the inner wall of the glass steel pipe is connected with a bundling assembly in a sliding manner, the outer wall of the inner pipe is provided with an abutting assembly, and the bundling assembly is abutted and matched with the abutting assembly or the outer wall of the inner pipe; the outer wall of the glass steel tube is provided with a square groove in a penetrating mode, and the end portion, far away from the inner tube, of the bundling assembly extends out of the sliding groove and is connected in the sliding groove in a sliding mode. The utility model provides a receipts bundle subassembly and butt subassembly cooperation not only make the cable penetrate the inner tube conveniently, still make the cable after penetrating fixed firm, easy operation, convenient practicality.

Description

Low-resistance wear-resistant plastic-steel composite cable guide

Technical Field

The application relates to the field of cable sleeves, in particular to a low-resistance wear-resistant plastic-steel composite cable guide.

Background

The cable conduit is also called as a cable sleeve, and can realize the penetration and replacement of cables and wires; the cable conduit is a pipeline for protecting wires and cable wiring in electrical installation, and at present, the cable conduit is widely applied to the fields of telecommunication, electric power engineering, traffic, urban construction and the like.

Fig. 1 is a cable guide of the related art, which includes a glass fiber reinforced plastic tube 1 and an inner tube 2, wherein the glass fiber reinforced plastic tube 1 is formed by winding glass fiber impregnated with resin, and the inner tube 2 is made of thermoplastic; the glass steel tube 1 is sleeved on the inner tube 2, the inner wall of the glass steel tube 1 is bonded with the outer wall of the inner tube 2, and when a cable is threaded, the cable is threaded into the inner tube 2 by using a cable threading tractor; when the cable is replaced, the cable is pulled out from the inner tube 2.

With respect to the related art in the above, the inventors consider that: when the cable guide pipe penetrates into a cable, the friction force between the cable and the inner wall of the inner pipe is too large, so that the cable is inconvenient to penetrate.

SUMMERY OF THE UTILITY MODEL

In order to make the cable penetrate the process and become convenient, this application provides a low resistance wear-resisting plastic steel composite cable pipe.

The application provides a low resistance wear-resisting plastic steel composite cable pipe adopts following technical scheme:

a low-resistance wear-resistant plastic-steel composite cable guide comprises a glass steel tube and an inner tube, wherein the glass steel tube is coated on the inner tube, the inner wall of the glass steel tube is connected with a bundling assembly in a sliding mode, the outer wall of the inner tube is provided with an abutting assembly, and the bundling assembly is in abutting fit with the abutting assembly or the outer wall of the inner tube; the outer wall of the glass steel tube is provided with a square groove in a penetrating mode, and one side portion, away from the inner tube, of the bundling assembly extends out of the square groove and is connected with the square groove in a sliding mode.

By adopting the technical scheme, before the cable is installed, the bundling assembly is abutted against the outer wall of the inner tube, and at the moment, the inner tube has a certain moving space relative to the glass steel tube, so that an operator can easily penetrate the cable into the inner tube by means of a cable penetrating tractor; when the cable is threaded, an operator tightly presses the bundling assembly against the abutting assembly, and the inner tube is deformed along the radial direction of the inner tube and tightly pressed on the cable under the common cooperation of the bundling assembly and the abutting assembly, so that the cable is fixed; the utility model provides a receipts bundle subassembly and butt subassembly cooperation not only make the cable penetrate the inner tube conveniently, still make the cable after penetrating fixed firm, easy operation, convenient practicality.

Optionally, an annular chute is arranged on the inner wall of the glass steel tube in a surrounding manner, and the annular chute is communicated with the square groove; the tightening assembly comprises a sliding ring, a plurality of elastic blocks and a shifting piece, the shifting piece is connected in the square groove in a sliding mode, the shifting piece stretches into the end portion of the square groove and is fixedly connected with the outer arc wall of the sliding ring, the sliding ring is connected in the annular sliding groove in a sliding mode, the elastic blocks are fixedly connected to the inner arc wall of the sliding ring, one side, far away from the sliding ring, of each elastic block is tightly matched with the inner pipe or the abutting assembly in a supporting mode, and the elastic blocks are evenly distributed on the inner arc wall of the sliding ring.

By adopting the technical scheme, when the cable penetrates into the inner pipe, the elastic block is abutted against the outer wall of the inner pipe; after the cable penetrates into the inner tube, an operator dials the shifting piece, so that the shifting piece slides in the square groove and drives the sliding ring to rotate along the axial direction of the inner tube; the sliding ring drives the elastic block originally abutted against the outer wall of the inner tube to rotate, and finally the elastic block is abutted against the abutting assembly; the butt subassembly exerts butt pressure to the inner tube gradually under the butt effect of elastic block, and the inner tube is under the combined action of butt subassembly and elastic block, along self radial deformation to support tightly in the cable, play fixed action, it is simple convenient to the cable.

Optionally, the shape of the elastic block is hemispherical, a straight wall of the elastic block is fixedly connected with an inner wall of the sliding ring, and a spherical wall of the elastic block is in butt fit with the outer wall of the abutting assembly or the inner tube.

Through adopting above-mentioned technical scheme, when the elastic block is the hemisphere, the sliding friction power of elastic block and inner tube outer wall is less, helps the threading of cable or the fixed of cable.

Optionally, the cross section of the annular chute is in a dovetail shape, and a notch of the annular chute faces the inner pipe; the shape of the cross section of the sliding ring is dovetail, and the width of the outer arc wall of the sliding ring is larger than that of the inner arc wall.

Through adopting above-mentioned technical scheme, the groove of sliding and the ring that slides all are the dovetail setting for the ring that slides more stable slides in the groove of sliding, increased the job stabilization nature of bundling the subassembly, thereby make the cable penetrate and fix more convenient.

Optionally, the shifting piece is hinged to the sliding ring, and a rotation plane of the shifting piece is located in a circle where the sliding ring is located; one end of the shifting piece, which is far away from the sliding ring, is provided with a lifting bulge.

By adopting the technical scheme, when the bundling assembly is matched with the abutting assembly and the cable is fixed, an operator rotates the shifting piece along the hinged part of the shifting piece and the sliding ring, so that the shifting piece is attached to the outer arc wall of the sliding ring, and the shifting piece is prevented from being damaged in the transportation and installation processes of the glass steel tube; when drawing out the cable, the operator can pull up the plectrum from the ring that slides through carrying to draw protruding, and then through the cooperation of ring, elastic block and butt subassembly that slides for the inner tube recovers, is convenient for take out the cable.

Optionally, the abutting assembly comprises an abutting block, and the length direction of the abutting block extends along the circumferential direction of the inner pipe; the butt joint block is characterized in that one side of the butt joint block is fixedly connected to the outer wall of the inner tube, one side of the butt joint block, which is far away from the inner tube, is obliquely arranged, and the lower side of the inclined surface of the butt joint block is flush with the inner tube.

Through adopting above-mentioned technical scheme, the butt piece slope sets up, helps the elastic block to slide to the elastic block on from the inner tube outer wall, helps the fixed of cable and penetrates.

Optionally, an arc-shaped sliding groove in sliding fit with the elastic block is arranged on the inclined surface of the inner tube, and the length direction of the arc-shaped sliding groove is the same as that of the abutting block; the cross section of the arc-shaped sliding groove is semicircular, and the radius of the cross section circle of the arc-shaped sliding groove is the same as that of the elastic block.

By adopting the technical scheme, the opposite groove walls of the arc-shaped sliding grooves have a limiting effect on the elastic blocks; the arc spout is the half slot, with the shape adaptation of elasticity piece, has increased the area of contact of elasticity piece with the arc spout for the butt power of elasticity piece to the butt piece is more even.

Optionally, the tank bottom of arc spout is equipped with a plurality of caves, sunken and elasticity piece adaptation, a plurality of elasticity piece and arc spout butt cooperation.

By adopting the technical scheme, when the elastic block slides in the arc-shaped sliding groove and slides to the recess, the elastic block is clamped and embedded into the recess under the self elasticity; through the cooperation of the elastic block and the recess, the possibility of the rotation of the sliding ring is reduced, and the elastic block is further firmly abutted against the sliding block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bundling assembly is matched with the abutting assembly, so that the cable can be conveniently penetrated into the inner pipe, the penetrated cable can be firmly fixed, and the bundling assembly is simple to operate, convenient and practical;

2. the elastic block is hemispherical, so that cables can be conveniently penetrated and fixed;

3. this application sets up the arc spout on the inclined plane of butt joint piece for the butt of butt joint piece soon is more even to the butt power.

Drawings

Fig. 1 is a schematic view of an overall structure of a cable duct in the related art.

Fig. 2 is a schematic view of the overall structure of a low-resistance wear-resistant plastic-steel composite cable guide according to an embodiment of the present application.

Fig. 3 is a cross-sectional view of a cable guide of the present application.

Fig. 4 is a schematic structural view (hidden glass reinforced plastic tube) for embodying the pinching assembly and the abutting assembly.

Fig. 5 is a schematic structural view for embodying the bunching assembly.

Description of reference numerals: 1. a glass reinforced plastic pipe; 11. an annular chute; 12. a square groove; 2. an inner tube; 3. a bundling assembly; 31. a slip ring; 32. an elastic block; 33. a shifting sheet; 34. lifting the protrusion; 4. an abutment assembly; 41. a butting block; 411. an arc-shaped chute; 412. and (4) sinking.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses a low-resistance wear-resistant plastic steel composite cable guide. Referring to fig. 2 and 3, the low-resistance wear-resistant plastic-steel composite cable guide comprises a glass steel tube 1 and an inner tube 2, wherein the glass steel tube 1 is formed by winding glass fibers soaked with resin, and the inner tube 2 is made of thermoplastic plastics; the inner pipe 2 is arranged in the glass steel pipe 1, a bundling component 3 and a plurality of abutting components 4 are arranged between the glass steel pipe 1 and the inner pipe 2, the bundling component 3 is sleeved on the inner pipe 2, and the plurality of abutting components 4 are uniformly distributed on the outer wall of the inner pipe 2; an annular chute 11 is arranged on the inner wall of the glass steel tube 1 in a manner of surrounding the axis direction of the glass steel tube, the bundling component 3 is connected in the annular chute 11 in a sliding manner, and the abutting component 4 is fixedly connected on the outer wall of the inner tube 2; a square groove 12 penetrates through the outer wall of the glass steel tube 1, the square groove 12 is communicated with the annular sliding groove 11, the square groove 12 is a long strip-shaped groove, and part of the bundling component 3 penetrates through the square groove 12 and is in sliding fit with the square groove 12; when the cable penetrates into the inner pipe 2, the bundling component 3 is in butt fit with the outer wall of the inner pipe 2; when the cable is secured to the inner tube 2, the retraction assembly 3 is in abutting engagement with the abutment assembly 4.

Referring to fig. 4 and 5, the bunching assembly 3 includes a sliding ring 31, a plurality of elastic blocks 32 and a shifting piece 33, the elastic blocks 32 are hemispherical, a straight wall of the elastic blocks 32 is bonded to an inner arc wall of the sliding ring 31, the sliding ring 31 is a circular ring, and the sliding ring 31 is connected in the annular sliding groove 11 in a sliding manner; one end of the shifting sheet 33 is hinged on the inner arc wall of the sliding ring 31, and the other end of the shifting sheet 33 extends into the square groove 12 and is connected in the square groove 12 in a sliding manner.

The cross section of the annular chute 11 is in a dovetail shape, and the width of the notch of the annular chute 11 is smaller than that of the groove bottom; the cross section of the sliding ring 31 is also in a dovetail shape, the inner arc wall of the sliding ring 31 is located at the narrow end, when the sliding ring 31 is embedded in the annular sliding chute 11 and is in sliding fit with the annular sliding chute 11, the outer arc wall of the sliding ring 31 abuts against the arc chute wall of the annular sliding chute 11, and the inner arc wall of the sliding ring 31 extends out of the groove of the sliding ring 31 and extends to the outer wall of the inner pipe 2.

Referring to fig. 3 and 4, a lifting protrusion 34 is provided on a side wall of the pull tab 33 away from a hinge point of the pull tab 33 and the slip ring 31, and when the pull tab 33 is attached to the slip ring 31, the lifting protrusion 34 is located on a side of the pull tab 33 away from the slip ring 31.

Referring to fig. 3 and 4, the abutting assembly 4 includes an abutting block 41, the length direction of the abutting block 41 extends along the direction surrounding the axis of the inner pipe 2, the inner arc wall of the abutting block 41 is fixedly connected to the outer wall of the inner pipe 2, the outer arc wall of the abutting block 41 is obliquely arranged, the lower side of the abutting block 41 is flush with the outer wall of the inner pipe 2, and the upper side of the abutting block 41 extends to the inner arc wall of the slip ring 31; an arc-shaped sliding groove 411 is formed in the outer arc wall of the abutting block 41 along the length direction of the abutting block, the arc-shaped sliding groove 411 is a semicircular sliding groove, and the elastic block 32 is matched with the arc-shaped sliding groove 411; when the hemispherical elastic block 32 is matched with the arc-shaped sliding groove 411 in a sliding manner, the elastic block 32 is attached to the arc-shaped sliding groove 411; the bottom of the arc-shaped sliding groove 411 is uniformly provided with a plurality of recesses 412, the size and the shape of each recess 412 are matched with the corresponding elastic block 32, and the elastic blocks 32 are in butt fit with the arc-shaped sliding groove 411.

The implementation principle of the low-resistance wear-resistant plastic-steel composite cable guide pipe in the embodiment of the application is as follows: when the cable penetrates into the inner tube 2, the elastic block 32 abuts against the outer wall of the inner tube 2; after the cable is threaded, the shifting piece 33 is shifted, so that the shifting piece 33 slides in the square groove 12, and the shifting piece 33 drives the sliding ring 31 to rotate along the direction surrounding the axis of the inner tube 2; the sliding ring 31 drives the elastic block 32 which is originally abutted against the outer wall of the inner tube 2 to rotate; the elastic block 32 is driven by the sliding ring 31 to slide along the direction surrounding the axis of the inner tube 2, and finally the elastic block 32 abuts against the abutting block 41 and slides in the arc-shaped sliding groove 411 to gradually abut against the abutting block 41; the abutting block 41 gradually abuts against the inner tube 2 under the abutting action of the elastic block 32, so that the inner tube 2 is radially deformed along the inner tube, and the cable is abutted and fixed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a low resistance wear-resisting plastic steel composite cable pipe, includes FRP pipe (1) and inner tube (2), FRP pipe (1) cladding in inner tube (2), its characterized in that: the inner wall of the glass steel tube (1) is connected with a bundling assembly (3) in a sliding mode, the outer wall of the inner tube (2) is provided with a butting assembly (4), and the bundling assembly (3) is in butting fit with the butting assembly (4) or the outer wall of the inner tube (2); the outer wall of the glass steel tube (1) is provided with a square groove (12) in a penetrating mode, and one side portion, far away from the inner tube (2), of the bundling assembly (3) extends out of the square groove (12) and is connected with the square groove (12) in a sliding mode.

2. The low-resistance wear-resistant plastic-steel composite cable guide pipe according to claim 1, characterized in that: an annular chute (11) is arranged on the inner wall of the glass steel tube (1) in a surrounding mode, and the annular chute (11) is communicated with the square groove (12); the tightening assembly (3) comprises a sliding ring (31), a plurality of elastic blocks (32) and a shifting piece (33), the shifting piece (33) is connected in a square groove (12) in a sliding mode, the shifting piece (33) stretches into the end portion of the square groove (12) and the outer arc wall of the sliding ring (31), the sliding ring (31) is connected in an annular sliding groove (11) in a sliding mode, the elastic blocks (32) are fixedly connected to the inner arc wall of the sliding ring (31), one side, away from the sliding ring (31), of the elastic blocks (32) is tightly matched with the inner tube (2) or the abutting assembly (4) in a supporting mode, and the elastic blocks (32) are evenly distributed on the inner arc wall of the sliding ring (31).

3. The low-resistance wear-resistant plastic-steel composite cable guide pipe as claimed in claim 2, wherein: the shape of elastic block (32) is the hemisphere, the straight wall of elastic block (32) and the inner wall fixed connection who slides ring (31), the spherical wall and the outer wall butt cooperation of butt subassembly (4) or inner tube (2) of elastic block (32).

4. The low-resistance wear-resistant plastic-steel composite cable guide pipe as claimed in claim 2, wherein: the cross section of the annular sliding groove (11) is in a dovetail shape, and a notch of the annular sliding groove (11) faces the inner pipe (2); the cross section of the sliding ring (31) is in a dovetail shape, and the width of the outer arc wall of the sliding ring (31) is larger than that of the inner arc wall.

5. The low-resistance wear-resistant plastic-steel composite cable guide pipe as claimed in claim 2, wherein: the shifting piece (33) is hinged with the sliding ring (31), and the rotating plane of the shifting piece (33) is positioned in the circular plane of the sliding ring (31); one end of the shifting piece (33) far away from the sliding ring (31) is provided with a lifting lug (34).

6. The low-resistance wear-resistant plastic-steel composite cable guide pipe according to claim 3, characterized in that: the abutting assembly (4) comprises an abutting block (41), and the length direction of the abutting block (41) extends along the circumferential direction of the inner pipe (2); the joint block (41) is fixedly connected to the outer wall of the inner tube (2) at one side, the joint block (41) is arranged in a mode of inclining away from the inner tube (2), and the lower side of the inclined plane of the joint block (41) is flush with the inner tube (2).

7. The low-resistance wear-resistant plastic-steel composite cable guide pipe according to claim 6, characterized in that: an arc-shaped sliding groove (411) in sliding fit with the elastic block (32) is formed in the inclined surface of the inner pipe (2), and the length direction of the arc-shaped sliding groove (411) is the same as that of the abutting block (41); the section of the arc-shaped sliding groove (411) is semicircular, and the radius of the section circle of the arc-shaped sliding groove (411) is the same as that of the elastic block (32).

8. The low-resistance wear-resistant plastic-steel composite cable guide pipe according to claim 7, characterized in that: the tank bottom of arc spout (411) is equipped with a plurality of sunken (412), sunken (412) and elastic block (32) adaptation, a plurality of elastic block (32) and arc spout (411) butt cooperation.