Disclosure of Invention
The utility model discloses problem to prior art provides a cable protection pipe that compressive capacity is strong, can reduce the emergence of the fracture condition.
The utility model adopts the following technical scheme: a cable protection pipe with high pressure resistance comprises a first pipe body and a second pipe body connected with the first pipe body, wherein the first pipe body and the second pipe body respectively comprise an inner pipe and an outer pipe arranged outside the inner pipe, the longitudinal section of the inner pipe is circular, the longitudinal section of the outer pipe is square, a plurality of reinforcing ribs extending along the axial direction of the inner pipe are arranged on the outer surface of the inner pipe, and the outer pipe is connected with the reinforcing ribs; the cable protection pipe that compressive capacity is strong still includes first bracing piece, second bracing piece and third bracing piece, the one end of first bracing piece is connected with the one end of second bracing piece, the other end of first bracing piece is connected with the one end of third bracing piece, the other end of second bracing piece is connected with the other end of third bracing piece, and the junction of first bracing piece and second bracing piece is connected with the surface of inner tube, and the junction of second bracing piece and third bracing piece is connected with diapire or roof in the outer tube, and the junction of third bracing piece and first bracing piece is connected with the lateral wall in the outer tube.
Preferably, a filling layer is arranged between the inner pipe and the outer pipe, and the filling layer is made of a flame-retardant material.
Preferably, the outer tube comprises a capsaicin insect prevention layer, an insulating layer, a glass wire mesh tensile layer and a metal shielding layer which are sequentially arranged from outside to inside.
Preferably, the corners of the outer pipe are provided with fillets.
Preferably, the one end of first body is connected with the connecting piece, the connecting piece includes the cylinder of being connected with first body and the shell fragment that the one end of keeping away from first body by the cylinder is buckled and is formed, the one end of second body is equipped with the draw-in groove that is used for supplying the cylinder to stretch into, the inner wall of draw-in groove is equipped with the fixture block that is used for with the shell fragment joint.
Preferably, the end of the first pipe body is provided with an elastic ring, and the end of the elastic ring far away from the first pipe body is used for abutting against the end of the second pipe body.
Preferably, the cable protection tube with high pressure resistance further comprises a first separation sheet and a second separation sheet, the middle part of the first separation sheet is connected with the middle part of the second separation sheet, the inner wall of inner tube is equipped with the first spout that is used for with the one end sliding connection of first parting piece, is used for with the other end sliding connection's of first parting piece second spout, is used for with the one end sliding connection's of second parting piece third spout and is used for with the other end sliding connection's of second parting piece fourth spout, first spout is equipped with supplies first parting piece one end withdraws from the first opening of first spout, and the second spout is equipped with supplies first parting piece the other end withdraws from the second opening of second spout, and the third spout is equipped with supplies the second parting piece one end withdraws from the third opening of third spout, and the fourth spout is equipped with supplies the second parting piece the other end withdraws from the fourth opening of fourth spout.
Preferably, the first or second partition sheet has a through hole formed therethrough.
The utility model has the advantages that: through setting up square outer tube in circular shape inner tube periphery to set up first bracing piece, second bracing piece and the third bracing piece that head and the tail connected gradually between inner tube and outer tube, thereby improve cable protection tube's compressive capacity, reduce the cracked condition of cable protection tube and take place.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a cable protection tube with high pressure resistance includes a first tube 1 and a second tube 2 connected to the first tube 1, where the first tube 1 and the second tube 2 each include an inner tube 3 and an outer tube 4 disposed outside the inner tube 3, the inner tube 3 has a circular longitudinal section, the outer tube 4 has a square longitudinal section, the outer surface of the inner tube 3 is provided with a plurality of reinforcing ribs 5 extending axially along the inner tube 3, and the outer tube 4 is connected to the reinforcing ribs 5; the cable protection tube with strong pressure resistance further comprises a first supporting rod 6, a second supporting rod 61 and a third supporting rod 62, one end of the first supporting rod 6 is connected with one end of the second supporting rod 61, the other end of the first supporting rod 6 is connected with one end of the third supporting rod 62, the other end of the second supporting rod 61 is connected with the other end of the third supporting rod 62, the joint of the first supporting rod 6 and the second supporting rod 61 is connected with the outer surface of the inner tube 3, the joint of the second supporting rod 61 and the third supporting rod 62 is connected with the bottom wall or the top wall in the outer tube 4, and the joint of the third supporting rod 62 and the first supporting rod 6 is connected with the side wall in the outer tube 4.
The square outer pipe 4 is equivalent to a reinforcing block arranged along the radial direction of the inner pipe 3, the radial pressure resistance of the inner pipe 3 is effectively improved, and the reinforcing ribs 5 on the outer surface of the inner pipe 3 can improve the axial pressure resistance of the inner pipe 3. The utility model discloses still further set up first bracing piece 6, second bracing piece 61 and third bracing piece 62 and improve the utility model discloses a compressive capacity. The triangle formed by the first support bar 6, the second support bar 61 and the third support bar 62 has strong pressure resistance, and can prevent the collapse of the outer tube 4 and the inner tube 3.
As shown in fig. 1, a filling layer 7 is disposed between the inner tube 3 and the outer tube 4, and the filling layer 7 is made of a flame retardant material. Effectively prevent the utility model discloses the high temperature leads to the burning. The flame retardant material is specifically aluminum hydroxide.
As shown in fig. 1, the outer tube 4 includes a capsaicin insect-proof layer 41, an insulating layer 42, a glass-wire mesh tensile layer 43, and a metal shielding layer 44, which are sequentially disposed from outside to inside. Capsaicin protection against insects layer 41 can prevent that the insect is close to the utility model discloses and prevent that the insect is in the utility model discloses it leads to secrete acidic material on the utility model discloses damage. The insulating layer 42 effectively prevents electric leakage. Glass net tensile layer 43 can improve the utility model discloses a tensile strength. Metal shield 44 can prevent that external signal from influencing the utility model discloses an internal cable.
As shown in fig. 1, the corners of the outer pipe 4 are provided with rounded corners 8, so that the corners of the outer pipe 4 can be prevented from scratching workers when buried.
As shown in fig. 2, one end of the first pipe body 1 is connected with a connecting piece 9, the connecting piece 9 includes a cylinder 91 connected with the first pipe body 1 and an elastic sheet 92 formed by bending one end of the cylinder 91 far away from the first pipe body 1, one end of the second pipe body 2 is provided with a clamping groove 21 for the cylinder 91 to extend into, and the inner wall of the clamping groove 21 is provided with a clamping block 22 for clamping with the elastic sheet 92. When the utility model is installed, the column 91 is extended into the slot 21, and the elastic sheet 92 is tightly attached to the column 91 in the process of extending; after the cylinder 91 completely extends into the slot 21, the free end of the elastic sheet 92 is no longer tightly attached to the cylinder 91 and is clamped with the clamping block 22, so that the connection between the first tube 1 and the second tube 2 is completed. Connect the easy operation of first body 1 and second body 2, convenient to use person installs the utility model discloses.
As shown in fig. 2, the end of the first tube 1 is provided with an elastic ring 11, and an end of the elastic ring 11 away from the first tube 1 is used for pressing against the end of the second tube 2. After connecting first body 1 and second body 2, there is the space between first body 1 and the second body 2, results in the dust can get into inside inner tube 3. The utility model discloses in, after connecting first body 1 and second body 2, the elastic ring 11 on the first body 1 can closely laminate second body 2, prevents effectively that the dust from getting into inside 3 of inner tubes from the junction of first body 1 and second body 2.
As shown in fig. 1, the cable protection tube with high pressure resistance further includes a first separation sheet 31 and a second separation sheet 32, a middle portion of the first separation sheet 31 is connected to a middle portion of the second separation sheet 32, an inner wall of the inner tube 3 is provided with a first sliding groove 33 for slidably connecting with one end of the first separation sheet 31, a second sliding groove 34 for slidably connecting with the other end of the first separation sheet 31, a third sliding groove 35 for slidably connecting with one end of the second separation sheet 32, and a fourth sliding groove 36 for slidably connecting with the other end of the second separation sheet 32, the first sliding groove 33 is provided with a first opening through which the one end of the first separation sheet 31 exits the first sliding groove 33, the second sliding groove 34 is provided with a second opening through which the other end of the first separation sheet 31 exits the second sliding groove 34, the third sliding groove 35 is provided with a third opening through which the one end of the second separation sheet 32 exits the third sliding groove 35, the fourth sliding slot 36 is provided with a fourth opening through which the other end of the second partition 32 exits the fourth sliding slot 36. When there are a plurality of cables in the inner tube 3, the user can connect the first and second separation sheets 31 and 32 to the inner tube 3 so that there are a plurality of separated spaces in the inner tube 3. Different cables can pass through different separation spaces, and mutual winding among a plurality of cables can be prevented.
As shown in fig. 1, the first separation sheet 31 or the second separation sheet 32 has a through hole 37 formed therethrough. When the user attaches or detaches the first separation sheet 31 and the second separation sheet 32, the user can insert a finger through the through hole 37 to apply force to the first separation sheet 31 and the second separation sheet 32, thereby preventing the occurrence of a slip.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.