CN216121694U

CN216121694U - Cable protection pipe with plug structure

Info

Publication number: CN216121694U
Application number: CN202122357625.1U
Authority: CN
Inventors: 徐保娣
Original assignee: Changzhou Quanzhirui Pipe Industry Co ltd
Current assignee: Changzhou Quanzhirui Pipe Industry Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-22
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a cable protection tube with a plugging structure, which comprises a protection tube, wherein the outer wall of the protection tube is provided with a clamping groove, the tube wall of the protection tube is sequentially provided with a wear-resistant layer, a buffer support hard shell layer and a soft rubber layer from outside to inside, an inner tube and a flame-retardant layer are arranged inside the protection tube, the end face of the protection tube is provided with a plug, and the end face of the outer wall of the plug is provided with a pull ring. This cable protection pipe with shutoff structure, be equipped with sealing connection between preliminary auxiliary protection pipe of draw-in groove and snap ring and the end cap, avoid rainwater infiltration erosion, by spring return expansion plug, make its further expansion extrusion inner tube pipe wall, thereby reach from inside to being locking effect, the fire-retardant layer function of cooperation, guarantee cable function alone, avoid the unusual whole function of influence of independent cable, be convenient for reflect light warning under the dim condition, avoid unexpected damage pre-buried cable protection pipe end, and be equipped with the pull ring and make things convenient for the end cap to dismantle, moreover, the steam generator is simple in structure reasonable, high durability and convenient use, the majority of current problems have effectively been solved, and has higher practical value.

Description

Cable protection pipe with plug structure

Technical Field

The utility model relates to the technical field of cables, in particular to a cable protection pipe with a plugging structure.

Background

The cable protection pipe is a metal protection pipe which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged. The cable protection pipe is mainly installed in a section where the communication cable and the power line are crossed, so that the short circuit accident caused by the disconnection of the power line is prevented, the communication cable and the steel wire rope are electrified, the cable, the switch and the machine core board are protected, the whole machine is not burnt out, and a certain isolation effect is achieved on the magnetic field interference of the power line. After the protective pipe is laid, the pipe orifices at two ends are tightly blocked, so that foreign matters are prevented from entering to influence the cable laying.

At present, most of ends of the existing cable protection pipe are exposed outside after being embedded and installed, and the existing simple plug is used, so that the cable protection pipe has the problems of single function, easy weathering corrosion and even falling off after long-time use, and the like, and therefore certain hidden danger exists for cable protection. Therefore, we improve this, and propose a cable protection tube with a plugging structure.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a cable protection tube with a plugging structure, which comprises a protection tube, wherein the outer wall of the protection tube is provided with a clamping groove, the tube wall of the protection tube is sequentially provided with a wear-resistant layer, a buffer support hard shell layer and a soft rubber layer from outside to inside, an inner tube and a flame-retardant layer are arranged in the protection tube, the end surface of the protection tube is provided with a plug, the end surface of the outer wall of the plug is provided with a pull ring, the outer wall of the plug is provided with a reflecting layer and a pressing block, and a transmission assembly, an inner tube plug, an expansion plug and a ring buckle are arranged in the plug.

According to a preferable technical scheme of the utility model, the anti-skid convex points which are concave and convex and criss-cross are arranged on the surface of the wear-resistant layer, the anti-skid convex points are fixedly sleeved on the outermost layer of the protection tube, the wear-resistant layer is made of hard polyvinyl chloride or steel, the clamping groove is designed in a circular groove structure, and the sealing strip is arranged in the clamping groove and is sunken and arranged on the surface layer of the end edge of the wear-resistant layer.

As a preferred technical scheme of the utility model, the buffer support is made of a plurality of elastomer materials and is arranged between the wear-resistant layer and the hard shell layer in a plurality of support structures, and the wall of the hard shell layer is thinner than that of the wear-resistant layer and is made of the same material as that of the wear-resistant layer.

As a preferred technical scheme of the utility model, the soft rubber layer is made of soft rubber and is mounted on the inner wall of the hard shell layer in a fitting manner, the inner tubes are provided with a plurality of groups, gaps are arranged among the inner tubes in an annular arrangement manner, and the flame-retardant layer is filled between the outer wall of the inner tube and the soft rubber layer.

According to a preferable technical scheme of the utility model, the plug is made of stainless steel metal, the end face of the inner wall of the plug is in adaptive design with the end face of the protection tube, and the surface of the ring buckle is provided with a sealing rubber strip which is fixedly arranged on the inner wall of the end face of the plug and is in adaptive connection with the clamping groove on the protection tube.

According to a preferable technical scheme of the utility model, the transmission assembly is penetratingly arranged in the inner wall of the plug, and the pressing blocks are provided with two groups which are symmetrically arranged on the upper and lower parts of the surface of the plug and fixedly connected with the transmission assembly.

As a preferred technical scheme of the utility model, the inner pipe plug is provided with a plurality of groups which are arranged and installed in a matching way with the inner pipe, the expansion plug is provided with three groups which are symmetrically installed on the surface of the inner pipe plug which is vertically installed side by side, the back of the expansion plug is provided with a spring and other parts which are fixedly connected with the transmission assembly, and the surface of the expansion plug is provided with anti-skidding convex points.

As a preferred technical scheme of the utility model, the reflective layer is made of corrosion-resistant rubber and is sleeved on the surface of the plug, and the middle part of the pull ring is provided with an opening.

The utility model has the beneficial effects that:

1. the cable protection pipe with the plugging structure is provided with a clamping groove, a clamping ring primary auxiliary protection pipe and a plug which are in sealing connection, rainwater is prevented from infiltrating and corroding, an inner pipe plug and an inner pipe are matched and plugged to form further sealing plugging, a pressing block, a conveying assembly and an expansion plug are arranged to work together, the pressing block is extruded to drive a transmission assembly to work, springs in the expansion plug are extruded mutually, the expansion plug is drawn inwards, and after the plug is completely combined with the protection pipe, the expansion plug is reset by the springs to further expand and extrude the pipe wall of the inner pipe, so that the locking effect from the inwards direction is achieved;

2. according to the cable protection pipe with the plugging structure, multiple protection is conveniently provided for internal cables through the wear-resistant layer, the buffer support, the hard shell layer and the soft rubber layer, each group of cables are isolated independently by matching with multiple groups of inner pipes, the operation of the flame-retardant layer is matched, the independent operation of the cables is guaranteed, and the phenomenon that the integral operation is influenced abnormally by the independent cables is avoided;

3. this cable protection pipe with shutoff structure, through the reflector layer protection end cap of the corrosion-resistant gum cover of card dismantlement formula, be convenient for reflect light warning under the dim condition, avoid unexpected damage pre-buried cable protection pipe end to be equipped with the pull ring and make things convenient for the end cap to dismantle, simple structure is reasonable, and convenient to use has effectively solved current majority problem, has higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic perspective expanded view of a cable protection tube with a plugging structure according to the present invention;

fig. 2 is an end face display view of a plug of a cable protection tube with a plug structure according to the present invention.

In the figure: 1. protecting the tube; 2. a plug; 3. a card slot; 4. a wear layer; 5. a buffer bracket; 6. a hard shell layer; 7. a soft adhesive layer; 8. an inner tube; 9. a flame retardant layer; 10. a pressing block; 11. a light-reflecting layer; 12. a pull ring; 13. an inner pipe plug; 14. a transmission assembly; 15. an expansion plug; 16. and (5) buckling.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-2, the cable protection tube with a plug structure of the present invention includes a protection tube 1, a clamping groove 3 is provided on an outer wall of the protection tube 1, a wear layer 4, a buffer support 5, a hard shell layer 6 and a soft rubber layer 7 are sequentially provided on a tube wall of the protection tube 1 from outside to inside, an inner tube 8 and a flame retardant layer 9 are provided inside the protection tube 1, a plug 2 is installed on an end surface of the protection tube 1, a pull ring 12 is provided on an end surface of an outer wall of the plug 2, a reflective layer 11 and a pressing block 10 are provided on an outer wall of the plug 2, and a transmission assembly 14, an inner tube plug 13, an expansion plug 15 and a ring buckle 16 are provided inside the plug 2.

Wherein, wearing layer 4 surface is equipped with unsmooth vertically and horizontally staggered's anti-skidding bump, and fixed cover is established and is installed at the outmost of protection tube 1, and wearing layer 4 is made by stereoplasm polyvinyl chloride or steel, and draw-in groove 3 is the design of ring groove structure, and inside is equipped with the sealing strip and caves in and installs on 4 end edge top layers of wearing layer, multiple structure protection pipe wall.

Wherein, buffering support 5 is made by a plurality of elastomer materials, and is installed between wearing layer 4 and crust layer 6 for a plurality of supporting structures, and 6 layers of wall of crust layer is thinner than wearing layer 4, and the material is the same with it, improves the pipe wall and collides the shock-absorbing capacity.

Wherein, soft glue film 7 is made by soft rubber material, and the laminating is installed on crust layer 6 inner wall, and inner tube 8 is equipped with the multiunit and is equipped with the clearance each other and be cyclic annular range installation, and fire-retardant layer 9 is filled and is installed between inner tube 8 outer wall and soft glue film 7, installs the internal resistance cable alone.

Wherein, end cap 2 is made by stainless steel metal material, and inner wall terminal surface and the design of protection tube 1 terminal surface adaptation, and 16 surfaces of latch closure are equipped with joint strip, and fixed mounting on the 2 terminal surface inner walls of end cap, with the 3 adaptation of draw-in groove on the protection tube 1 connection, sealed shutoff.

Wherein, transmission assembly 14 runs through to be installed in end cap 2 inner wall, presses the briquetting 10 to be equipped with two sets of symmetries and installs about end cap 2 surface, and with transmission assembly 14 fixed connection, inside shutoff transmission structure.

Wherein, inner tube stopper 13 is equipped with the multiunit and arranges the installation with 8 adaptations of inner tube, and inflation stopper 15 is equipped with three group symmetries and installs on the vertical inner tube stopper 13 surface of installing side by side, and 15 backs of inflation stopper are equipped with spring and other parts and 14 fixed connection of drive assembly, and 15 surfaces of inflation stopper are equipped with anti-skidding bumps for inside shutoff.

Wherein, the reflective layer 11 is made by corrosion-resistant rubber material, and the cover is established and is installed on end cap 2 surface, and pull ring 12 middle part is equipped with the opening, and the reflection of light warns.

The working principle is as follows: the clamping groove 3 and the clamping ring 16 are arranged to be in primary auxiliary connection between the protection tube 1 and the plug 2 to avoid rainwater infiltration erosion, the inner tube plug 13 and the inner tube 8 are matched and plugged to form further sealing plugging, the pressing block 10, the conveying assembly 14 and the expansion plug 15 are arranged to operate together to facilitate the driving assembly 14 to operate by extruding the pressing block 10, further to extrude springs in the expansion plug 15 mutually to draw the springs inwards, the expansion plug 15 is reset by the springs after the plug 2 is completely combined with the protection tube 1, the pipe wall of the inner tube 8 is further expanded and extruded, so that the aim of protecting the inner cables from the inside is achieved, the abrasion-resistant layer 4, the buffer support 5, the hard shell layer 6 and the soft rubber layer 7 are used for providing protection for the inner cables in multiple ways, each group of cables is isolated independently by matching with a plurality of inner tubes 8, the flame-retardant layer 9 is matched to operate to ensure the cables to operate independently, avoid the cable alone to influence whole function unusually, through the anti-corrosion gum cover of card dismantlement formula reflector layer 11 protection end cap 2, be convenient for reflect light warning under the dim condition, avoid unexpected damage buried cable protection tube end to be equipped with pull ring 12 and make things convenient for end cap 2 to dismantle, simple structure is reasonable, and convenient to use has effectively solved current majority problem, has higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cable protection pipe with shutoff structure, includes protection tube (1), its characterized in that, the outer wall of protection tube (1) is equipped with draw-in groove (3), the pipe wall of protection tube (1) is by outer to interior wearing layer (4), buffering support (5) crust layer (6) and flexible glue layer (7) of being equipped with in proper order, inside inner tube (8) and the fire-retardant layer (9) of being equipped with of protection tube (1), end cap (2) are installed to protection tube (1) terminal surface, end cap (2) outer wall terminal surface is equipped with pull ring (12), end cap (2) outer wall is equipped with reflector layer (11) and presses briquetting (10), end cap (2) inside is equipped with drive assembly (14), inner tube stopper (13), inflation stopper (15) and latch closure (16).

2. The cable protection tube with the plugging structure as claimed in claim 1, wherein the surface of the wear layer (4) is provided with concave-convex criss-cross anti-slip protruding points, and the fixed sleeve is installed on the outermost layer of the protection tube (1), the wear layer (4) is made of rigid polyvinyl chloride or steel, the clamping groove (3) is designed in a circular groove structure, and a sealing strip is arranged inside the clamping groove and is concavely installed on the surface layer of the end edge of the wear layer (4).

3. The cable protection tube with a plugging structure according to claim 1, wherein said buffer support (5) is made of a plurality of elastomer materials, and a plurality of support structures are installed between the wear-resistant layer (4) and the hard shell layer (6), and the hard shell layer (6) is thinner than the wear-resistant layer (4) and made of the same material.

4. The cable protection tube with the plugging structure according to claim 1, wherein the soft rubber layer (7) is made of soft rubber and is attached to the inner wall of the hard shell layer (6), the inner tubes (8) are provided with a plurality of groups, gaps are formed between the inner tubes (8) and the inner tubes in an annular arrangement, and the flame retardant layer (9) is filled between the outer wall of the inner tube (8) and the soft rubber layer (7).

5. The cable protection tube with the plugging structure according to claim 1, wherein the plug (2) is made of stainless steel metal material, and the end surface of the inner wall is designed to be matched with the end surface of the protection tube (1), and the surface of the ring buckle (16) is provided with a sealing rubber strip and is fixedly installed on the inner wall of the end surface of the plug (2) to be matched and connected with the clamping groove (3) on the protection tube (1).

6. The cable protection tube with a plugging structure according to claim 1, wherein the transmission assembly (14) is penetratingly installed in the inner wall of the plug (2), and the pressing block (10) is provided with two groups which are symmetrically installed above and below the surface of the plug (2) and fixedly connected with the transmission assembly (14).

7. The cable protection tube with the plugging structure as claimed in claim 1, wherein said inner tube plug (13) has a plurality of sets installed in a matching arrangement with the inner tube (8), said expansion plug (15) has three sets installed symmetrically on the surface of the inner tube plug (13) installed vertically side by side, and the back of the expansion plug (15) is provided with a spring and other components fixedly connected with the transmission assembly (14), and the surface of the expansion plug (15) is provided with anti-skid protrusions.

8. The cable protection tube with a plug structure according to claim 1, wherein the reflective layer (11) is made of corrosion-resistant rubber material and is sleeved on the surface of the plug (2), and an opening is formed in the middle of the pull ring (12).