CN214755321U

CN214755321U - Cable protective tube

Info

Publication number: CN214755321U
Application number: CN202121216088.2U
Authority: CN
Inventors: 张敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-16
Anticipated expiration: 2031-06-01

Abstract

The utility model provides a cable pillar relates to power equipment technical field, including the body and the connector of protecting that connect each other through adopting, the body of protecting includes the protection skin and the protection inlayer that connect each other, and the protection skin is provided with the concave-convex part, and the concave-convex part includes a plurality of even lugs and the concave block that sets up, and the concave block sets up between adjacent lug, and has the technical scheme in clearance between adjacent lug and the concave block, and it is strong to have shock resistance, beneficial effect that cost of maintenance is low.

Description

Cable protective tube

Technical Field

The utility model relates to a power equipment technical field particularly, relates to a cable pillar.

Background

The cable protection tube is a protection tube which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged, is also called as a cable protection tube, is mainly installed at a section where a communication cable and a power line intersect, and is used for preventing the cable from being broken due to extrusion collision to cause a short-circuit accident and playing a certain role in isolating the magnetic field interference of the power line.

The cable protective sleeve is a novel sleeve material which is popularized and used in power engineering. With the rapid development of power cable buried laying engineering and the higher requirements put forward on cable sleeves, the cable protective sleeve is made of Polyethylene (PE) and a high-quality steel pipe through sand blasting and shot blasting pretreatment, plastic dipping or coating, and heating and curing processes. It is one of the most commonly used electrically insulating tubes for protecting wires and cables.

In the prior art, the cable protective tube has the defect of low impact resistance, and the maintenance cost is high when the cable protective tube is extruded and collided, so the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable pillar, it can propose corresponding solution to above-mentioned problem, and it is strong to have impact resistance, beneficial effect that cost of maintenance is low.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a cable pillar, it is including the body and the connector of protecting of connecting each other, protects the body including the protection skin and the protection inlayer that connect each other, and the protection skin is provided with the concave-convex part, and the concave-convex part includes a plurality of lugs and the concave block that evenly set up, and the concave block sets up between adjacent lug, and has the clearance between adjacent lug and the concave block.

The utility model discloses an in some embodiments, above-mentioned protection skin is provided with a plurality of joint posts, and the protection inlayer is provided with a plurality of joint grooves, and joint post and joint groove cooperation are connected.

The utility model discloses an in some embodiments, above-mentioned protection skin is provided with connection structure, and connection structure is connected with the connector cooperation, and connection structure includes connecting rod and stroke groove, the first elastic element of one end fixedly connected with of connecting rod, the inner wall fixed connection in first elastic element and stroke groove.

In some embodiments of the present invention, the end of the connecting rod away from the elastic element is further provided with a clamping structure, the clamping structure includes a clamping block and a second elastic element connected to each other, and the second elastic element is fixedly connected to the connecting rod.

The utility model discloses an in some embodiments, the both ends of above-mentioned connector all are equipped with the spread groove, spread groove and connecting rod adaptation, and the inside of spread groove still is provided with the screens groove, screens groove and screens piece adaptation.

In some embodiments of the present invention, the two ends of the inner protective layer are provided with extension pieces, which extend the inner side butt of the connector.

The utility model discloses an in some embodiments, above-mentioned protection inlayer is provided with buffer structure, and buffer structure includes a plurality of arc buffering bodies that evenly set up, the top and the outer butt of protection of arc buffering body.

In some embodiments of the present invention, the first elastic element and the second elastic element each include a cylindrical spring or a tension spring.

In some embodiments of the present invention, the protection tube body includes a PVC tube body.

In some embodiments of the present invention, the surface of the joint is provided with a non-slip protrusion.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment of the utility model comprises a pipe protecting body and a connector which are connected with each other, the pipe protecting body comprises a protective outer layer and a protective inner layer which are connected with each other, double protection can be realized on the cable in the pipe protecting body by double protection, when the cable is impacted, the protective outer layer firstly weakens the impact, the protective inner layer weakens the impact, and a better protection effect is realized on the cable; the protection outer layer is provided with the concave-convex part, the impact resistance of the protection pipe body can be improved due to the arrangement of the concave-convex part, firstly, the structural strength of the protection pipe body is increased structurally, and the protection pipe body can better face impact; secondly, due to the design of the concave-convex part, the impact on the protective pipe body can be weakened more quickly, and the impact transmitted to the protective outer layer and the protective inner layer is smaller; the concave-convex part comprises a plurality of convex blocks and concave blocks which are uniformly arranged, and the concave blocks are arranged between the adjacent convex blocks; when the concave-convex part is impacted, the convex block or the concave block is pressed and deformed, so that the impact can be weakened, and the impact resistance of the pipe protecting body is improved; gaps are reserved between the adjacent convex blocks and the adjacent concave blocks; the setting in clearance can increase the deformable degree of lug and concave piece, simultaneously because lug and concave piece have certain thickness, also has certain promotion to the structural strength who protects the body for the life of this product obtains the extension, has reduced cost of maintenance. Therefore, the embodiment of the utility model provides a it is strong to have impact resistance, low and the effectual beneficial effect of protection of cost of maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view illustrating an installation of a cable sheath according to an embodiment of the present invention;

FIG. 2 is an enlarged view corresponding to point A in FIG. 1;

fig. 3 is a schematic view of a tube protection body according to an embodiment of the present invention;

FIG. 4 is an enlarged view corresponding to B in FIG. 3;

fig. 5 is a schematic view of a connector according to an embodiment of the present invention.

Icon: 100-protective tube body, 110-protective outer layer, 111-clamping column, 120-protective inner layer, 121-clamping groove, 122-extension piece, 130-concave-convex part, 131-convex part, 132-concave part, 133-gap, 141-connecting rod, 1411-clamping block, 1412-second elastic element, 142-stroke groove, 143-first elastic element, 200-connecting head, 210-connecting groove, 211-clamping groove, 220-anti-skid protrusion and 310-arc buffer body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 to 5, a cable protective tube according to the present embodiment includes a protective tube body 100 and a connector 200 connected to each other, the protective tube body 100 includes a protective outer layer 110 and a protective inner layer 120 connected to each other, both the protective outer layer 110 and the protective inner layer 120 have a certain thickness, and the double protection can achieve double protection for a cable in the protective tube body 100; when the cable is impacted, the protective outer layer 110 primarily weakens the impact, and then the protective inner layer 120 weakens the impact, so that a better cable protection effect is realized, and the impact resistance of the protective tube body 100 is improved; the protection outer layer 110 is provided with the concave-convex part 130, the impact resistance of the protection tube body 100 can be improved due to the concave-convex part 130, firstly, the structural strength of the protection tube body 100 is increased due to the structure, and the protection tube body can better face impact; secondly, the design of the concave-convex part 130 can enable the impact on the protective tube body 100 to be weakened more quickly, and the impact transmitted to the protective outer layer 110 and the protective inner layer 120 is smaller; the concave-convex portion 130 includes a plurality of uniformly arranged convex blocks 131 and concave blocks 132, and the concave blocks 132 are arranged between the adjacent convex blocks 131; when the concave-convex part 130 is impacted, the convex block 131 or the concave block 132 is pressed and deformed, so that the impact can be weakened, and the impact resistance of the protective tube body 100 is improved; and a gap 133 exists between the adjacent convex block 131 and concave block 132; the arrangement of the gap 133 can increase the deformable degree of the convex block 131 and the concave block 132, so that the convex block 131 and the concave block 132 can exert better impact resistance; meanwhile, the protruding blocks 131 and the concave blocks 132 have certain thicknesses, so that the structural strength of the tube protection body 100 is improved to a certain extent, the service life of the product is prolonged, and the maintenance cost is reduced.

It should be noted that, in other embodiments, the protrusion 131 and the concave block 132 may be disposed in a sharp shape, which can prevent birds from staying or rodents from biting to some extent.

In some embodiments of the present invention, as shown in fig. 3, the protective outer layer 110 is provided with a plurality of fastening posts 111, the protective inner layer 120 is provided with a plurality of fastening grooves 121, and the fastening posts 111 and the fastening grooves 121 are connected in a matching manner; the protective outer layer 110 is connected with the protective inner layer 120 through the connection of the clamping columns 111 and the clamping grooves 121, the clamping columns 111 and the clamping grooves 121 are correspondingly arranged, and the arrangement distance is uniform, so that the internal integral structures of the protective outer layer 110 and the protective inner layer 120 are more stable, and the connection is finally realized with the connector 200, and the connection is more stable; the clamping structure that clamping post 111 and clamping groove 121 formed will protect body 100 to divide into the multistage, more is favorable to the heat dissipation of cable to a certain extent.

In some embodiments of the present invention, the protective outer layer 110 is provided with a connecting structure, and the connecting structure is connected to the connector 200 in a matching manner, so as to connect the protective tube body 100 and the connector 200; as shown in fig. 3 and 4, the connection structure includes a connection rod 141 and a stroke slot 142, one end of the connection rod 141 is fixedly connected with a first elastic element 143, and the first elastic element 143 is fixedly connected with an inner wall of the stroke slot 142; when the protective tube body 100 needs to be connected with the connector 200, the connecting rod 141 is pulled out of the stroke groove 142, and then the connecting rod 141 is connected with the connector 200, so that the installation is convenient and rapid; when depositing and protecting body 100, owing to the setting of first elastic element 143 for connecting rod 141 is placed in stroke groove 142 under the effect of elasticity, avoids connecting rod 141 to receive the damage, reasonable in design.

In some embodiments of the present invention, as shown in fig. 3 and 4, the end of the connecting rod 141 away from the elastic element is further provided with a locking structure, the locking structure includes a locking block 1411 and a second elastic element 1412 connected to each other, and the second elastic element 1412 is fixedly connected to the connecting rod 141; after the clamping block 1411 is connected with the second elastic element 1412, the clamping block 1411 can move up and down along with the compression of the second elastic element 1412, and when the connecting rod 141 is connected with the connecting head 200, the clamping block 1411 can be popped out, so that the connection between the connecting rod 141 and the connecting head 200 is more stable, the tube protection body 100 is ensured not to fall off from the connecting head 200, and the tube protection device is reasonable in design and safe to use.

In some embodiments of the present invention, as shown in fig. 5, the two ends of the connector 200 are both provided with a connecting groove 210, the connecting groove 210 is adapted to the connecting rod 141, the inside of the connecting groove 210 is further provided with a position-locking groove 211, and the position-locking groove 211 is adapted to the position-locking block 1411. When the connecting head 200 is connected with the protective tube body 100, the connecting rod 141 is pulled out of the stroke groove 142, the second elastic element 1412 at the lower end of the blocking block 1411 is compressed, the connecting rod 141 is smoothly inserted into the connecting groove 210 of the connecting head 200 until the end of the connecting rod 141 provided with the blocking block 1411 is inserted into the blocking groove 211, then the second elastic element 1412 is reset, the blocking block 1411 bounces upwards and is blocked into the blocking groove 211, and the installation is completed; the clamping block 1411 and the clamping groove 211 are adapted to prevent the protective tube body 100 and the connector 200 from falling off, so that the connection stability of the protective tube body 100 and the connector 200 is further enhanced; meanwhile, one end of the connecting rod 141 is connected with the first elastic element 143, so that the connecting rod 141 has a slight retraction tendency under the action of elasticity, the overall structure of the product is compact, and the use in the power engineering is more convenient.

In some embodiments of the present invention, the two ends of the protective inner layer 120 are both provided with an extending piece 122, and the extending piece 122 abuts against the inner side of the connector 200. As shown in fig. 3, when the end of the protective tube body 100 is connected to the end of the connector 200, the connecting rod 141 is adapted to the connecting groove 210, and the extending piece 122 is also in contact with the inner side of the protective tube body 100, so that the contact area between the protective tube body 100 and the connector 200 is increased, and the connection stability between the protective tube body 100 and the connector 200 is improved; in addition, the arrangement of the extension piece 122 can also help to position the tube protection body 100, so that the tube protection body 100 can be connected with the connector 200 more quickly, namely, during installation, the extension piece 122 can directly extend into the connector 200 to determine the approximate installation position of the tube protection body 100, and then the position of the tube protection body 100 is adjusted in a rotating manner, so that the connecting rod 141 and the connecting groove 210 are matched to complete connection.

In some embodiments of the present invention, the protection inner layer 120 is provided with a buffering structure, the buffering structure includes a plurality of arc buffering bodies 310 which are evenly arranged, and the top end of the arc buffering body 310 abuts against the protection outer layer 110. As shown in fig. 3, the arc-shaped buffering body 310 is disposed between the inner protective layer 120 and the outer protective layer 110, and two ends of the arc-shaped buffering body 310 are fixedly connected with the inner protective layer 120, and the specific connection manner may be bonding or integrally formed; the top of arc buffer 310 is contradicted with protection skin 110, and the impact can be fine resisted in the design of circular arc formula, improves the shock resistance who protects body 100, can have longer life in the in-service use, reduces cost of maintenance.

In some embodiments of the present invention, the first elastic element 143 and the second elastic element 1412 each include a cylindrical spring or a tension spring. The whole diameters of the cylindrical springs are the same, the elastic force changes more uniformly, and the use is stable; two hooks are arranged at two ends of the tension spring, so that the tension spring is more convenient to mount.

In some embodiments of the present invention, the tube protection body 100 includes a PVC tube body. The PVC pipe comprises the main component of polyvinyl chloride, has good corrosion resistance, does not need to carry out extra anti-corrosion treatment on the PVC pipe body when a cable is laid, and saves the cost.

It should be noted that in other embodiments, the protective tube 100 may also be a galvanized steel tube.

In some embodiments of the present invention, as shown in fig. 5, the surface of the joint is provided with anti-slip protrusions 220. As shown in the figures, the anti-slip protrusions 220 are a plurality of strip-shaped protrusions, which facilitate the connection and assembly of the connector 200 and the tube protection body 100 by the worker.

The working principle of the cable protective tube is as follows: when the cable protection device is used, a cable is inserted into the protection tube body 100, the connector 200 is connected with the protection tube body 100, the extending piece 122 on the protection inner layer 120 of the protection tube body 100 extends into the connector 200 to determine the approximate installation position of the protection tube body 100, then the position of the protection tube body 100 is adjusted in a rotating mode, the connecting rod 141 is pulled out of the stroke groove 142 and inserted into the connecting groove 210 of the connector 200 until one end, provided with the clamping block 1411, of the connecting rod 141 is inserted into the clamping groove 211, then the second elastic element 1412 resets, the clamping block 1411 bounces upwards and is clamped into the clamping groove 211, and installation is completed; then the cable conductor continues to pass through the connector 200, and the protection tube body 100 and the connector 200 are repeatedly connected in sequence until the laying of the cable conductor is completed.

To sum up, the embodiment of the present invention provides a cable protective tube, which includes a protective tube body 100 and a connector 200 connected to each other, the protective tube body 100 includes a protective outer layer 110 and a protective inner layer 120 connected to each other, both the protective outer layer 110 and the protective inner layer 120 have a certain thickness, the double protection can realize double protection for the cable in the protective tube body 100, and the impact resistance of the protective tube body 100 is improved; the protective outer layer 110 is provided with a concave-convex portion 130, the concave-convex portion 130 includes a plurality of uniformly arranged convex blocks 131 and concave blocks 132, and the concave blocks 132 are arranged between adjacent convex blocks 131; when the concave-convex part 130 is impacted, the convex block 131 or the concave block 132 is pressed and deformed, so that the impact can be weakened, and the impact resistance of the protective tube body 100 is improved; and a gap 133 exists between the adjacent convex block 131 and concave block 132; the arrangement of the gap 133 can increase the deformable degree of the convex block 131 and the concave block 132, so that the convex block 131 and the concave block 132 can exert better impact resistance; the protective outer layer 110 is provided with a plurality of clamping columns 111, the protective inner layer 120 is provided with a plurality of clamping grooves 121, the clamping columns 111 are connected with the clamping grooves 121 in a matched mode, and the clamping structure formed by the clamping columns 111 and the clamping grooves 121 divides the protective tube body 100 into a plurality of sections, so that heat dissipation of cables is facilitated to a certain extent; the protective outer layer 110 is provided with a connecting structure, the connecting structure comprises a connecting rod 141 and a stroke slot 142, one end of the connecting rod 141 is fixedly connected with a first elastic element 143, the first elastic element 143 is fixedly connected with the inner wall of the stroke slot 142, the connecting rod 141 is drawn out of the stroke slot 142, and then the connecting rod 141 is connected with the connector 200, so that the installation is convenient and rapid; a clamping structure is further arranged at one end, away from the elastic element, of the connecting rod 141, connecting grooves 210 are formed at two ends of the connecting head 200, the connecting grooves 210 are matched with the connecting rod 141, clamping grooves 211 are further formed in the connecting grooves 210, the clamping structure comprises clamping blocks 1411 and a second elastic element 1412, the clamping blocks 1411 are connected with each other, the clamping grooves 211 are matched with the clamping blocks 1411, and when the connecting rod 141 is connected with the connecting head 200, the clamping blocks 1411 can be popped out, so that the connecting rod 141 is connected with the connecting head 200 more stably; the two ends of the protective inner layer 120 are both provided with the extending pieces 122, the extending pieces 122 are abutted against the inner side of the connector 200, the extending pieces 122 can help the protective tube body 100 to be positioned, the contact area between the protective tube body 100 and the connector 200 is increased, and the connection stability of the protective tube body 100 and the connector 200 is improved; protection inlayer 120 is provided with buffer structure, and buffer structure includes the arc buffering body 310 of a plurality of even settings, and the top and the outer 110 butt of protection of the arc buffering body 310, the design of circular arc formula can be fine resist the impact, improve the shock resistance who protects body 100, can have longer life in the in-service use, reduce cost of maintenance.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 cable protective pipe is characterized by comprising a protective pipe body and a connector which are connected with each other, wherein the protective pipe body comprises a protective outer layer and a protective inner layer which are connected with each other, the protective outer layer is provided with a concave-convex part, the concave-convex part comprises a plurality of convex blocks and concave blocks which are uniformly arranged, the concave blocks are arranged between the adjacent convex blocks, and gaps exist between the adjacent convex blocks and the concave blocks.

2. The cable sheath of claim 1, wherein the protective outer layer is provided with a plurality of clamping columns, the protective inner layer is provided with a plurality of clamping grooves, and the clamping columns are matched and connected with the clamping grooves.

3. The cable sheath according to claim 2, wherein the protective outer layer is provided with a connecting structure, the connecting structure is in fit connection with the connector, the connecting structure comprises a connecting rod and a stroke groove, one end of the connecting rod is fixedly connected with a first elastic element, and the first elastic element is fixedly connected with the inner wall of the stroke groove.

4. The cable sheath of claim 3, wherein a locking structure is further disposed at an end of the connecting rod away from the elastic element, the locking structure comprises a locking block and a second elastic element connected to each other, and the second elastic element is fixedly connected to the connecting rod.

5. The cable sheath according to claim 4, wherein the connecting head has connecting grooves at both ends thereof, the connecting grooves are adapted to the connecting rods, and a locking groove adapted to the locking block is further provided inside the connecting grooves.

6. The cable sheath of claim 5, wherein the protective inner layer is provided at both ends thereof with extension pieces, and the extension pieces are abutted against the inner side of the connector.

7. The cable sheath of claim 1, wherein the protective inner layer is provided with a buffer structure, the buffer structure comprises a plurality of uniformly arranged arc-shaped buffer bodies, and the top ends of the arc-shaped buffer bodies are abutted with the protective outer layer.

8. The cable sheath of claim 4, wherein the first and second resilient elements each comprise a cylindrical spring or a tension spring.

9. The cable sheath of claim 1, wherein the sheath body comprises a PVC tube body.

10. The cable sheath of claim 1, wherein the surface of the connector is provided with anti-slip projections.