Openable corrugated dragging pipe

Abstract

The utility model discloses an openable corrugated dragging pipe which comprises a plurality of dragging pipe bodies which are sequentially connected end to end, each dragging pipe body is formed by clamping an upper dragging pipe and a lower dragging pipe in the vertical direction to achieve combined installation, and in every two adjacent dragging pipe bodies, the upper dragging pipe and the lower dragging pipe are connected in a clamped mode. Wherein two sides of the head end of one dragging pipe body are concavely provided with limiting slots which correspond to the inserting convex bodies arranged at the tail end of the other dragging pipe body in a protruding manner and can be used for inserting the inserting convex bodies, and a pipe cavity for a cable to pass through is formed in the dragging pipe body in the axial direction; the surface of each upper dragging pipe and the surface of each lower dragging pipe are sequentially and alternately formed by arc-shaped wave crests and wave troughs in the length direction, and the lower dragging pipes are clamped into the buckling clamping grooves in the two sides of the upper dragging pipes through the buckling convex edges on the two sides of the lower dragging pipes so as to be fixedly connected with the upper dragging pipes. According to the utility model, the installation and disassembly are convenient, the easy-to-pull design structure is adopted, the cable can be opened only through transverse force application, the cable can be conveniently put into the dragging pipe and then closed, the operation is simple, and the anti-falling effect is good.

Description

Technical Field

[0001] This utility model relates to the field of pipe dragging technology, and more specifically, to an openable corrugated pipe dragging system. Background Technology

[0002] To protect cables and other wires, they can be arranged inside a cable tray. A cable tray is a conduit used to protect and guide cable laying, primarily preventing cable wear, twisting, or breakage due to repeated movement. It is often used in situations requiring frequent bending, dragging, or reciprocating motion. A traditional cable tray structure, such as the corrugated tube dust-free cable chain shell disclosed in patent publication number CN222351314U, includes an upper shell and a lower shell. Both the upper and lower shells have snap-fit ​​strips on their outer sides along their length. Alignment posts and alignment holes are respectively provided between two interlocking snap-fit ​​strips. Furthermore, multiple clips and locking holes are evenly distributed between two interlocking snap-fit ​​strips along their length, with the alignment posts entering the alignment holes and the clips entering the locking holes. This patent uses multiple clips and holes, which need to be aligned and pressed into place one by one during assembly. Assembly and disassembly are troublesome, time-consuming and labor-intensive, and the mold is complex and costly. If the alignment post is slightly deformed or the alignment hole is misaligned, the clip may not be able to be inserted smoothly. Furthermore, the clips are prone to loosening under conditions of large bending, which affects the protection effect of the cable. Utility Model Content

[0003] The purpose of this utility model is to overcome the above-mentioned defects in the prior art and provide an openable corrugated drag tube that adopts an easy-open structure, realizes modular splicing and multiple anti-detachment structures.

[0004] To achieve the above objectives, this utility model provides an openable corrugated tow pipe, comprising several tow pipe bodies connected end to end in sequence. Each tow pipe body is assembled by upper and lower tow pipes being interlocked vertically. In two adjacent tow pipe bodies, the first end of one tow pipe body has recessed slots on both sides that correspond to the insertion protrusions on the tail end of the other tow pipe body and allow the insertion protrusions to be inserted. The interior of the tow pipe body forms a cavity in the axial direction for cables to pass through. The surface of each upper and lower tow pipe is formed by alternating arc-shaped peaks and troughs along its length. The two sides of the upper tow pipe are provided with snap-fit ​​grooves along its length, and the two sides of the lower tow pipe are provided with snap-fit ​​protrusions corresponding to the snap-fit ​​grooves along its length. The lower tow pipe is interlocked with the upper tow pipe by the snap-fit ​​protrusions on both sides of the upper tow pipe to achieve a fixed connection.

[0005] Preferably, the fastening protrusion of the lower drag tube includes a wide side and a narrow side of the same length that are staggered vertically in the axial direction. The wide side at the tail end of the fastening protrusion extends out of the narrow side to form a wide side extension, and the narrow side at the head end of the fastening protrusion extends out of the wide side to form a narrow side extension.

[0006] Preferably, the fastening groove of the upper drag tube includes a high-position bearing part, a locking insertion part, and a low-position abutting part. The tail end of the fastening groove is formed with a middle extension part that extends out of the high-position bearing part and the low-position abutting part and corresponds to the shape of the wide side extension part. The top of the opening at the first end of the fastening groove is recessed inward and has a receiving groove part that communicates with the locking insertion part. The receiving groove part and the locking insertion part together form a limiting slot. When the fastening protrusion of the lower drag tube is engaged in the fastening groove of the upper drag tube, the wide side of the fastening protrusion is inserted into the locking insertion part of the fastening groove, and the outer edge of the narrow side of the fastening protrusion abuts against the outer edge of the low-position abutting part of the fastening groove. The middle extension part abuts against the wide side extension part to form an insertion protrusion.

[0007] Preferably, both the upper and lower drag tubes are made of plastic material.

[0008] Preferably, the lower drag tube further includes several support pads, each support pad being formed and disposed on both sides of each crest on the bottom surface of the lower drag tube, and the bottom horizontal plane of each support pad being higher than the horizontal plane of the bottom crest of the lower drag tube.

[0009] Preferably, the system also includes a fixing joint, which has two hollow structures with openings at both ends, and the two fixing joints are detachably installed at the beginning and end of several pipe bodies.

[0010] Preferably, each of the fixed joints includes a first housing and a second housing arranged in a mirror image symmetrically. The inner sidewall of the first housing and the second housing near the tow pipe body is provided with a limiting strip for locking with the trough of the outer sidewall of the upper and lower tow pipes. One side edge of the first housing and the second housing is provided with a positioning hook. The other side edge of the first housing and the second housing is provided with a positioning hole corresponding to the positioning hook and capable of locking. Both sides of the first housing and the second housing are provided with through mounting screw holes. The other end of the first housing and the second housing away from the tow pipe body is horizontally formed with a plurality of branch grooves.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This utility model features a novel structure and reasonable design. The main body of the cable tray consists of an upper cable tray and a lower cable tray, which are assembled and installed by snapping together with a snap-fit ​​groove and a snap-fit ​​protrusion. This allows multiple cable trays to be connected end to end to form a longer pipe for cable protection and modular splicing. The upper and lower cable trays are easy to disassemble, employing an easy-pull design structure that can be opened with only lateral force. This facilitates the insertion of cables into the cable tray before closing it. The operation is simple, easy to install and disassemble, and has a good anti-detachment effect. Compared with the traditional cable tray design that uses a snap-fit ​​and hole design, the manufacturing cost is low, the installation is flexible, and it is suitable for different application scenarios. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of the openable corrugated tube provided in Embodiment 1 of this utility model;

[0015] Figure 2 This is an exploded view of the openable corrugated drag pipe provided in Embodiment 1 of this utility model. Figure 1 ;

[0016] Figure 3 This is an exploded view of the openable corrugated drag pipe provided in Embodiment 1 of this utility model. Figure 2 ;

[0017] Figure 4 This is an enlarged schematic diagram of the upper drag tube of the openable corrugated drag tube provided in Embodiment 1 of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the openable corrugated pipe with a fixing joint provided in Embodiment 2 of this utility model;

[0019] Figure 6 This is an exploded view of the openable corrugated pipe with a fixed joint provided in Embodiment 2 of this utility model;

[0020] Figure 7 This is an exploded view of the openable corrugated drag pipe with support pad provided in Embodiment 3 of this utility model;

[0021] Figure 8 This is a schematic diagram of the structure of the openable corrugated dragline with support pad and fixed joint provided in Embodiment 3 of this utility model. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Please refer to Figure 1 The present invention provides an openable corrugated drag pipe, comprising a plurality of drag pipe bodies 1 connected end to end in sequence. The components of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] Example 1

[0025] like Figure 1 and Figure 2 As shown, each tow pipe body 1 can be assembled by interlocking the upper tow pipe 13 and the lower tow pipe 14 in the vertical direction. In two adjacent tow pipe bodies 1, the front end of one tow pipe body 1 is recessed on both sides, corresponding to the insertion protrusion 101 protruding at the rear end of the other tow pipe body 1, and the insertion protrusion 101 can be inserted. The interior of the tow pipe body 1 forms a cavity for the cable to pass through in the axial direction. The surface of each upper tow pipe 13 and each lower tow pipe 14 is formed by alternating arc-shaped peaks and valleys along its length.

[0026] The insertion protrusion 101 and the limiting slot 102 enable the connection between adjacent pipe bodies 1, allowing multiple pipe bodies 1 to be connected end to end to form a longer pipe for protecting cables and achieving modular splicing.

[0027] Preferably, both the upper trailing pipe 13 and the lower trailing pipe 14 can be made of plastic material, which has a certain degree of flexibility, is lightweight, corrosion-resistant, and has good insulation properties. Through the injection molding process, the pipe material undergoes plastic deformation under the action of the mold, which can form multiple arc-shaped peaks and troughs. The transition between the peaks and troughs and the outer edges are all treated with rounded chamfers to avoid stress concentration. In this embodiment, the peaks are all designed as smooth arc surfaces, and the inner side of the troughs can undergo elastic deformation when the trailing pipe body 1 is bent, maintaining the overall structural stability.

[0028] like Figure 3As shown, the upper cable 13 has snap-fit ​​grooves 130 on both sides along its length, and the lower cable 14 has snap-fit ​​protrusions 140 on both sides along its length corresponding to the snap-fit ​​grooves 130. The lower cable 14 is snapped into the snap-fit ​​grooves 130 on both sides of the upper cable 13 by the snap-fit ​​protrusions 140 on both sides to achieve a fixed connection with the upper cable 13. This snap-fit ​​connection is firm, and the upper cable 13 and the lower cable 14 can be separated and disassembled easily. It is convenient to open the cable duct body 1 when installing cables and close it after installation, realizing easy-pull operation.

[0029] Specifically, the fastening protrusion 140 of the lower drag tube 14 may include a wide side 141 and a narrow side 142 of the same length and staggered vertically in the axial direction. The wide side 141 at the tail end of the fastening protrusion 140 extends out of the narrow side 142 to form a wide side extension 1411, and the narrow side 142 at the head end of the fastening protrusion 140 extends out of the wide side 141 to form a narrow side extension 1421.

[0030] like Figure 4 As shown, the fastening groove 130 of the upper drag tube 13 may include a high-position bearing portion 131, a locking insertion portion 132, and a low-position abutting portion 133. The tail end of the fastening groove 130 is formed with a middle extension portion 134 that extends out of the high-position bearing portion 131 and the low-position abutting portion 133 and corresponds to the shape of the wide side extension portion 1411. The top of the opening at the head end of the fastening groove 130 is recessed inward and has a receiving groove portion 1301 that communicates with the locking insertion portion 132. The receiving groove portion 1301 communicates with the locking insertion portion 132. The placement part 132 together form a limiting slot 102. When the snap-fit ​​protrusion 140 of the lower drag tube 14 is engaged in the snap-fit ​​groove 130 of the upper drag tube 13, the wide side 141 of the snap-fit ​​protrusion 140 is inserted into the snap-fit ​​insertion part 132 of the snap-fit ​​groove 130, the outer edge of the narrow side 142 of the snap-fit ​​protrusion 140 abuts against the outer edge of the low abutment part 133 of the snap-fit ​​groove 130, and the middle extension part 134 abuts against the wide side extension part 1411 to form an insertion protrusion 101.

[0031] The wide-side extension 1411 and the middle-position extension 134 cooperate to form an anti-detachment insertion protrusion 101 to prevent lateral detachment. The locking insertion part 132 is used to fix the wide side 141, and the low-position abutment part 133 abuts against the narrow side 142, effectively preventing the upper drag tube 13 and the lower drag tube 14 from loosening after closing.

[0032] Example 2

[0033] like Figure 5As shown, it may also include a fixing connector 16, which has two hollow structures with openings at both ends. The two fixing connectors 16 are detachably installed at the beginning and end ends of several pipe bodies 1. The fixing connectors 16 can fix the beginning and end ends of the pipe body 1 and the ends of its internal cables, so as to achieve a fixed connection with the equipment housing or other installation parts.

[0034] like Figure 6 As shown, each of the fixed joints 16 may include a first housing 161 and a second housing 162 arranged in a mirror image symmetrically. The inner sidewall of the first housing 161 and the second housing 162 near the tow pipe body 1 is provided with a limiting strip 1601 for locking with the trough of the outer sidewall of the upper tow pipe 13 and the lower tow pipe 14. One side edge of the first housing 161 and the second housing 162 is provided with a positioning hook 1602. The other side edge of the first housing 161 and the second housing 162 is provided with a positioning hole 1603 corresponding to the positioning hook 1602 and capable of locking. Both sides of the first housing 161 and the second housing 162 are provided with through mounting screw holes 1604. The other side of the first housing 161 and the second housing 162 away from the tow pipe body 1 is horizontally formed with a plurality of branch grooves 1605.

[0035] The first housing 161 and the second housing 162 are engaged in the positioning hole 1603 by the positioning hook 1602, which realizes quick assembly and can be fastened by inserting screws into the two mounting screw holes 1604, which has high stability.

[0036] Example 3

[0037] like Figure 7 and Figure 8 As shown, the lower drag tube 14 may further include a plurality of support pads 15, each support pad 15 being formed and disposed on both sides of each crest on the bottom surface of the lower drag tube 14, and the bottom horizontal plane of each support pad 15 being higher than the horizontal plane of the bottom crest of the lower drag tube 14. In this third embodiment, the fixing joint 16 mentioned in the second embodiment can also be installed at both ends of the drag tube body 1 with support pads 15 in the lower drag tube 14.

[0038] Among them, the support pad 15 creates a certain gap between the tow pipe body 1 and the ground or other supporting surfaces, preventing the crests from directly contacting the ground, reducing wear, and extending the service life of the tow pipe.

[0039] In summary, the main body of this utility model consists of an upper and lower drag tube that are assembled and installed by snapping together with a snap-fit ​​groove and a snap-fit ​​protrusion. This allows multiple drag tube bodies to be connected end to end to form a longer pipe for cable protection and modular splicing. The upper and lower drag tubes are easy to disassemble, with an easy-pull design structure that can be opened by applying lateral force, making it convenient to put the cable into the drag tube and then close it. Its operation is simple, easy to install and disassemble, and has a good anti-detachment effect. Compared with the traditional drag tube design that uses a snap-fit ​​and hole design, it has a lower manufacturing cost, more flexible installation, and is suitable for different application scenarios.

[0040] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

Claims

1. An openable corrugated hose, characterized by: The device comprises several tubing bodies connected end-to-end in sequence. Each tubing body is assembled by upper and lower tubing bodies that are vertically interlocked. In two adjacent tubing bodies, the front end of one tubing body has recessed slots on both sides that correspond to the insertion protrusions on the rear end of the other tubing body and allow the insertion protrusions to be inserted. The interior of each tubing body forms a cavity in the axial direction for the cable to pass through. The surface of each upper and lower tubing is formed by alternating arc-shaped peaks and troughs along its length. The two sides of the upper tubing have snap-fit ​​grooves along its length, and the two sides of the lower tubing have snap-fit ​​protrusions corresponding to the snap-fit ​​grooves along its length. The lower tubing is fixedly connected to the upper tubing by snapping into the snap-fit ​​grooves on both sides of the upper tubing through the snap-fit ​​protrusions on both sides.

2. An openable corrugated hose according to claim 1, characterized in that: The fastening protrusion of the lower tube includes a wide side and a narrow side of the same length that are staggered vertically in the axial direction. The wide side at the tail end of the fastening protrusion extends out of the narrow side to form a wide side extension, and the narrow side at the head end of the fastening protrusion extends out of the wide side to form a narrow side extension.

3. An openable corrugated hose according to claim 2, wherein: The upper drag tube's fastening groove includes a high-position bearing part, a locking insertion part, and a low-position abutting part. The tail end of the fastening groove is formed with a middle extension part that extends out of the high-position bearing part and the low-position abutting part and corresponds to the shape of the wide side extension part. The top of the opening at the front end of the fastening groove is recessed inward and has a receiving groove part that communicates with the locking insertion part. The receiving groove part and the locking insertion part together form a limiting slot. When the fastening protrusion of the lower drag tube is engaged in the fastening groove of the upper drag tube, the wide side of the fastening protrusion is inserted into the locking insertion part of the fastening groove, and the outer edge of the narrow side of the fastening protrusion abuts against the outer edge of the low-position abutting part of the fastening groove. The middle extension part abuts against the wide side extension part to form an insertion protrusion.

4. An openable corrugated hose according to claim 1, characterized in that: Both the upper and lower drag tubes are made of plastic.

5. An openable corrugated hose according to claim 1, wherein: The lower drag tube also includes several support pads, each of which is formed and disposed on both sides of each crest on the bottom surface of the lower drag tube, and the bottom horizontal plane of each support pad is higher than the horizontal plane of the bottom crest of the lower drag tube.

6. An openable corrugated hose according to claim 1, characterized in that: It also includes a fixing joint, which has two hollow structures with openings at both ends. The two fixing joints are detachably installed at the beginning and end of several pipe bodies.

7. The openable corrugated pipe according to claim 6, characterized in that: Each fixed joint includes a first housing and a second housing arranged in a mirror image symmetrically. The inner sidewall of the first housing and the second housing near the tow pipe body is provided with a limiting strip for locking with the trough of the outer sidewall of the upper and lower tow pipes. One side edge of the first housing and the second housing is provided with a positioning hook. The other side edge of the first housing and the second housing is provided with a positioning hole corresponding to the positioning hook and capable of locking. Both sides of the first housing and the second housing are provided with through screw holes. The other end of the first housing and the second housing away from the tow pipe body is horizontally formed with a number of branch grooves.

Images