CN216819258U - CPVC honeycomb pipe with limiting convex strip - Google Patents

Abstract

The utility model relates to a CPVC (chlorinated polyvinyl chloride) honeycomb tube with limiting convex strips, which is characterized by comprising an inner tube and six outer tubes, wherein the radial section of the inner tube is in a regular hexagon shape, the six outer corners of the inner tube are respectively provided with the limiting convex strips, the limiting convex strips are in a T-shaped structure with a narrow inner part and a wide outer part, a limiting clamping groove is respectively formed between every two adjacent limiting convex strips, the radial section of each outer tube is in a regular hexagon shape, the six outer tubes are respectively and detachably inserted into the limiting clamping grooves, and more than half of the outer surfaces of the outer tubes are tightly attached to the groove walls of the corresponding limiting clamping grooves. The outer pipe can be conveniently and stably limited on the inner pipe, and the outer pipe is very convenient to disassemble, so that the outer pipe can be conveniently and independently replaced, and the maintenance cost is reduced; moreover, the outer pipes can be conveniently processed into different colors, so that the convenience of cable maintenance is improved; the CPVC honeycomb pipe has the advantages of simple structure, high strength, convenience in manufacturing, low manufacturing cost, high reliability, long service life and the like.

Description

CPVC honeycomb pipe with limiting convex strip

Technical Field

The utility model relates to the field of cable ducts, in particular to a honeycomb tube.

Background

The chinese patent application No. 201220593684.7 discloses a technical solution named as "honeycomb tube", which includes the following technical features: a plurality of pipes with polygonal cross sections are fixedly connected in a mode that axes are parallel to each other to form an integral structure. The honeycomb pipe adopts an integrated structure, when a certain pipe is damaged, the damaged pipe cannot be replaced independently, and the whole honeycomb pipe needs to be scrapped, so that the maintenance cost of a user is high. In addition, in the actual manufacturing process, it is difficult to make the tubes into different colors, and the colors and shapes of the tubes are the same outside the honeycomb tube, so that it is difficult to distinguish the types of cables in the tubes from the outside of the honeycomb tube, which easily results in the reduction of the convenience of cable maintenance. Although honeycomb pipes formed in an assembly mode are also available at present, the existing assembly type honeycomb pipes have the problems of unstable assembly, low structural strength, poor reliability, short service life, high manufacturing cost and the like. Therefore, it is necessary to redesign the structure of the honeycomb tube.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and the defects and provides a CPVC (chlorinated polyvinyl chloride) honeycomb pipe with a limiting convex strip, wherein the CPVC honeycomb pipe adopts an inner pipe and six outer pipes which are separated from each other, and the inner pipe is provided with a limiting clamping groove matched with the outer pipes, so that the outer pipes can be conveniently and stably limited on the inner pipe, the outer pipes are very convenient to disassemble, a certain outer pipe can be conveniently and independently replaced, and the maintenance cost is reduced; moreover, the outer pipes can be conveniently processed into different colors, so that the convenience of cable maintenance is improved; the CPVC honeycomb pipe has the advantages of simple structure, high strength, convenience in manufacturing, low manufacturing cost, high reliability, long service life and the like.

The technical scheme of the utility model is realized as follows:

the utility model provides a CPVC honeycomb pipe with spacing sand grip, its characteristics lie in including inner tube, six outer tubes, and wherein the radial cross section of inner tube is regular hexagon, be provided with respectively on six outer corners on the outer peripheral surface of inner tube along the spacing sand grip of inner tube axial extension, spacing sand grip is the outer wide T type structure of interior narrow, is formed with spacing draw-in groove between respectively two adjacent spacing sand grips respectively to the cell wall that makes spacing draw-in groove and the surface phase-match of outer tube, the radial cross section of outer tube is regular hexagon, and six outer tubes can dismantle the ground cartridge respectively in each spacing draw-in groove to make the surface of each outer tube more than half hug closely on the cell wall that corresponds spacing draw-in groove.

Preferably, the limiting convex strip comprises an inner strip and an outer strip, one side edge of the inner strip is connected with an outer corner on the outer circumferential surface of the inner tube, an isosceles trapezoid convex part is arranged on one surface of the outer strip, and the top of the isosceles trapezoid convex part is connected with the other side edge of the inner strip.

Preferably, the thickness of the inner strip is equal to the thickness of the pipe wall of the inner pipe, and the thickness of the outer strip is greater than or equal to that of the inner strip.

Preferably, the steel ring is embedded in the inner pipe, the steel ring is arranged around an inner hole of the inner pipe, the outer steel bar is embedded in the outer strip, the inner steel bar is embedded in the inner strip, one end of the inner steel bar is connected with the steel ring, and the other end of the inner steel bar is connected with the middle part of the outer steel bar after penetrating through the isosceles trapezoid convex part.

The utility model has the beneficial effects that: (1) in the utility model, the inner pipe and the six outer pipes adopt split structures. The limiting clamping grooves matched with the outer pipe can be formed by arranging the plurality of limiting convex strips on the inner pipe, and when the outer pipe is inserted into the limiting clamping grooves, more than half of the outer surface of the outer pipe can be tightly attached to the groove walls of the limiting clamping grooves. Therefore, on the basis of not using other locking structures, the outer pipe can be reliably limited, so that each outer pipe can be conveniently, stably and reliably arranged in the inner pipe, and the CPVC honeycomb pipe is simple and reliable in structure.

(2) Because six outer tubes can be inserted in each spacing draw-in groove respectively with dismantling, this can satisfy the effect of changing each outer tube alone. When damage appears in certain outer tube, can change alone the outer tube of damage can, need not to scrap whole CPVC honeycomb pipe, this maintenance cost that helps reducing this CPVC honeycomb pipe.

(3) Through making narrow outer wide T type structure in the spacing sand grip adoption, can guarantee like this that spacing sand grip has very simple and reliable structure, this can not only make things convenient for, can also play very reliable limiting displacement to the outer tube to and the package assembly that can guarantee inner tube and each spacing sand grip has very high structural strength. In addition, the inner pipe and each outer pipe are very simple pipe body structures, so that the CPVC honeycomb pipe can be guaranteed to have a very simple structure with high strength, the manufacturing can be facilitated, the manufacturing cost can be guaranteed to be low, and the CPVC honeycomb pipe can be guaranteed to have the advantages of being high in reliability, long in service life and the like.

(4) After the inner tube and the six outer tubes adopt split structures, the outer tubes with different colors can be manufactured conveniently, so that a user can distinguish the cable types in the outer tubes through the colors of the outer tubes conveniently, and the convenience of cable maintenance can be improved conveniently.

(5) When limiting each outer pipe with spacing sand grip, need not do too big with the pipe wall thickness of each sub-pipe like current pin-connected panel honeycomb pipe, satisfy the needs of assembling, and this can not lead to the pipe wall uneven condition of thickness to appear in the pipe wall of inner tube and each outer pipe to can guarantee that the structural strength of inner tube and each outer pipe each department is very even, stable, avoid the structural strength of inner tube and each outer pipe somewhere too low, this also can guarantee that this CPVC honeycomb pipe has very high structural strength and reliability.

(6) All be regular hexagon through the radial cross section that makes inner tube and six outer tubes, can not only guarantee like this that they have high structural strength, can also guarantee that they can constitute very reliable honeycomb tube, this CPVC honeycomb tube can satisfy the demand of in-service use well, and its suitability is very good.

Drawings

Fig. 1 is a schematic structural view of a CPVC honeycomb pipe of the present invention.

FIG. 2 is a schematic view of the inner tube of the present invention in the direction of the end face.

FIG. 3 is a second schematic view of the structure of the inner tube of the present invention in the end face direction.

Fig. 4 is a schematic sectional view of the inner tube in the present invention.

Detailed Description

As shown in fig. 1 and 2, the CPVC honeycomb tube with limiting convex strips according to the present invention includes an inner tube 1 and six outer tubes 2, wherein a radial cross section of the inner tube 1 is a regular hexagon, the six outer corners on the outer circumferential surface of the inner tube 1 are respectively provided with limiting convex strips 11 extending along the axial direction of the inner tube 1, the limiting convex strips 11 are T-shaped structures with a narrow inner part and a wide outer part, a limiting groove 12 is respectively formed between each two adjacent limiting convex strips 11, and a groove wall of the limiting groove 12 is matched with an outer surface of more than half of the outer tubes 2, a radial cross section of the outer tubes 2 is a regular hexagon, the six outer tubes 2 are respectively detachably inserted into each limiting groove 12, and the outer surface of more than half of each outer tube 2 is tightly attached to a groove wall of the corresponding limiting groove 12.

The inner tube 1 and the six outer tubes 2 adopt a split structure in the utility model. The inner pipe 1 is provided with a plurality of limiting convex strips 11 to form limiting clamping grooves 12 matched with the outer pipe 2, and when the outer pipe 2 is inserted into the limiting clamping grooves 12, more than half of the outer surface of the outer pipe 2 can be tightly attached to the groove walls of the limiting clamping grooves 12. Therefore, on the basis of not using other locking structures, the outer pipe 2 can be reliably limited, so that each outer pipe 2 can be conveniently, stably and reliably arranged on the inner pipe 1, and the CPVC honeycomb pipe is very simple and reliable in structure.

Because six outer tubes 2 can be inserted in each spacing draw-in groove 12 respectively with dismantling, this can satisfy the effect of changing each outer tube 2 alone. When a certain outer pipe 2 is damaged, the damaged outer pipe 2 can be replaced independently without scrapping the whole CPVC honeycomb pipe, which is helpful for reducing the maintenance cost of the CPVC honeycomb pipe.

Through making narrow outer wide T type structure in spacing sand grip 11 adoption, can guarantee like this that spacing sand grip 11 has very simple and reliable structure, this can not only make things convenient for, can also play very reliable limiting displacement to outer tube 2 to and can guarantee that inner tube 1 and each spacing sand grip 11's package assembly have very high structural strength. In addition, the inner pipe 1 and each outer pipe 2 are very simple pipe body structures, so that the CPVC honeycomb pipe can be guaranteed to have a very simple and high-strength structure, the manufacturing can be facilitated, the manufacturing cost can be guaranteed to be low, and the CPVC honeycomb pipe can be guaranteed to have the advantages of being high in reliability, long in service life and the like.

After the inner tube 1 and the six outer tubes 2 adopt the split structure, the outer tubes 2 with different colors can be manufactured conveniently, so that the user can distinguish the cable types in the outer tubes 2 through the colors of the outer tubes 2 conveniently, and the convenience of cable maintenance can be improved conveniently.

When limiting each outer tube 2 with spacing sand grip 11, need not do too big with the wall thickness of each sub-pipe like current pin-connected panel honeycomb pipe, satisfy the needs of assembling, and this can not lead to the condition that the wall thickness of inner tube 1 and each outer tube 2 is uneven, thereby can guarantee that the structural strength of inner tube 1 and each outer tube 2 each department is very even, stable, avoid the structural strength of inner tube 1 and each outer tube 2 somewhere too low, this CPVC honeycomb pipe that also can guarantee has very high structural strength and reliability.

All be regular hexagon through the radial cross section that makes inner tube 1 and six outer tubes 2, can not only guarantee like this that they have high structural strength, can also guarantee that they can constitute very reliable honeycomb tube, this CPVC honeycomb tube can satisfy the demand of in-service use well, and its suitability is very good.

As shown in fig. 1, after each outer tube 2 is respectively inserted into each limiting slot 12, the adjacent outer tubes 2 can perform a good limiting function on the limiting convex strips 11. In addition, on assembling the CPVC honeycomb pipe of completion, each outer tube 2 and each spacing sand grip 11 are arranged around inner tube 1 one by one at intervals, can form mutual roof pressure effect between outer tube 2 and the spacing sand grip 11 like this to reach the effect of limiting the spacing sand grip 11 bending deformation, this also can guarantee that each outer tube 2 can install on inner tube 1 very steadily, in order to avoid outer tube 2 to break away from spacing draw-in groove 12 on the radial direction of inner tube 1, this CPVC honeycomb pipe's reliability is very high.

Wherein, in order to make the outer tube 2 meet the demand that can be dismantled and insert in the spacing draw-in groove 12 and hug closely the cell wall of the spacing draw-in groove 12 at the same time. Make and adopt transition fit between outer tube 2 and the spacing draw-in groove 12 to satisfying under the condition that outer tube 2 hugs closely spacing draw-in groove 12 tank bottoms, when can receiving great thrust on outer tube 2 terminal surface, promote outer tube 2 along its axial displacement, just so can be convenient for release outer tube 2 from the spacing draw-in groove 12 notch of 1 terminal surface one side of inner tube, thereby just can satisfy the cartridge requirement that can dismantle. This can make outer tube 2 satisfy the demand that can dismantle the cartridge to spacing draw-in groove 12 in with hug closely spacing draw-in groove 12 cell wall simultaneously.

As shown in fig. 1, since the inner pipe 1 is inside the CPVC honeycomb pipe, the inner pipe 1 is surrounded by six outer pipes 2. Therefore, the inner tube 1 can not be damaged generally, and only the outer tube 2 is easy to scratch, deform, damage and the like due to collision. Therefore, in practical situations, only the outer tube 2 is generally damaged, so that the outer tube 2 with a very simple structure is generally replaced, and the combined structure of the inner tube 1 with a relatively complex structure and each limiting convex strip 11 is generally not replaced, so that the maintenance cost of a user is very low.

As shown in fig. 1 to 3, each of the limiting protrusions 11 and the inner tube 1 are formed as a CPVC. Therefore, the manufacturing of each limit convex strip 11 and the inner pipe 1 can be facilitated, and the high structural strength and durability of each limit convex strip 11 and the inner pipe 1 can be guaranteed, so that the reliability and the service life of the CPVC honeycomb pipe are improved.

The outer pipe 2 is a CPVC pipe body structure. This ensures that the outer pipe 2 has high structural strength and durability, thereby contributing to the reliability and service life of the CPVC honeycomb pipe.

When the outer pipe 2 is installed, the end part of the outer pipe 2 is inserted into the limit clamping groove 12 from the notch of the limit clamping groove 12 on the end surface side of the inner pipe 1. When the outer tube 2 is removed, the outer tube 2 is pushed out or pulled out from the end face side of the inner tube 1. Thus, the need for assembling and disassembling the outer tube 2 can be well satisfied, and the assembling and disassembling are very convenient.

The end of the outer tube 2 may be formed with a small head (not shown) for facilitating insertion of the outer tube 2. This facilitates insertion of the outer tube 2 into the limit catch 12.

As shown in fig. 2, the limiting convex strip 11 includes an inner strip 111 and an outer strip 112, one side edge of the inner strip 111 is connected to an outer corner on the outer circumferential surface of the inner tube 1, an isosceles trapezoid convex part 113 is disposed on one surface of the outer strip 112, and the top of the isosceles trapezoid convex part 113 is connected to the other side edge of the inner strip 111. Through the setting of isosceles trapezoid convex part 113, can not only play the purpose of strengthening outer piece strip 112 structural strength, can also be convenient for form with the spacing draw-in groove 12 of outer surface assorted of outer tube 2, this spacing sand grip 11's structure is very simple reliable, this spacing sand grip 11 can play very reliable limiting displacement to outer tube 2.

As shown in fig. 2, the inner strip 111, the outer strip 112 and the isosceles trapezoid projection 113 are an integral structure. Therefore, the limit convex strips 11 can be conveniently manufactured, and the limit convex strips 11 can be guaranteed to have high structural strength.

As shown in fig. 2 and 3, in the actual manufacturing process, the outer surface of the outer strip 112 can be made into a plane 101 or a convex arc 102. The convex arc 102 can be used for the purpose of enhancing the structural strength.

As shown in fig. 1 to 3, the thickness of the inner strip 111 is equal to the thickness of the tube wall of the inner tube 1, and the thickness of the outer strip 112 is greater than or equal to the thickness of the inner strip 111. Can guarantee like this that spacing sand grip 11 has very high structural strength to help further improving its limiting displacement's reliability, and then help further improving this CPVC honeycomb tube's reliability and suitability.

As shown in fig. 4, a steel ring 13 is embedded in the inner tube 1, the steel ring 13 is arranged around the inner hole 10 of the inner tube 1, an outer steel bar 20 is embedded in the outer strip 112, an inner steel bar 30 is embedded in the inner strip 111, one end of the inner steel bar 30 is connected with the steel ring 13, and the other end of the inner steel bar 30 passes through the isosceles trapezoid convex part 113 and then is connected with the middle part of the outer steel bar 20. Through burying underground of steel ring 13, interior steel strip 30, outer steel strip 20, can not only play the purpose of strengthening inner tube 1 and 11 structural strength of spacing sand grip, can also further improve the reliability and the stability that spacing sand grip 11 and inner tube 1 are connected to help further improving the reliability and the suitability of this CPVC honeycomb tube.

In the actual manufacturing process, a plurality of steel rings 13 can be embedded in the inner pipe 1, and the steel rings 13 are arranged side by side along the axial direction of the inner pipe 1, a plurality of outer steel bars 20 and a plurality of inner steel bars 30 can be embedded in the outer strips 112 and the inner strips 111, respectively, and the outer steel bars 20 and the inner steel bars 30 are arranged side by side along the axial direction of the inner pipe 1, the positions of the inner steel bars 30 and the steel rings 13 are in one-to-one correspondence, the positions of the outer steel bars 20 and the positions of the inner steel bars 30 are in one-to-one correspondence, and two ends of the inner steel bars 30 are respectively connected with the corresponding steel rings 13 and the outer steel bars 20. This results in a more reliable CPVC honeycomb pipe.

Claims (4)

1. The utility model provides a CPVC honeycomb pipe with spacing sand grip which characterized in that: including inner tube (1), six outer tubes (2), wherein the radial cross section of inner tube (1) is regular hexagon, be provided with respectively on six outer corners on the outer peripheral surface of inner tube (1) along inner tube (1) axially extended spacing sand grip (11), spacing sand grip (11) are the outer wide T type structure of interior narrow, are formed with spacing draw-in groove (12) between respectively two adjacent spacing sand grip (11) to the cell wall that makes spacing draw-in groove (12) and the surface phase-match of outer tube (2), the radial cross section of outer tube (2) is regular hexagon, and six outer tubes (2) can be dismantled ground cartridge respectively in each spacing draw-in groove (12) to make each outer tube (2) more than half the surface hug closely on the cell wall that corresponds spacing draw-in groove (12).

2. A CPVC honeycomb tube with limiting ribs as claimed in claim 1, wherein: spacing sand grip (11) include interior strip (111), outer strip (112), a side of interior strip (111) meets with the outer corner on the outer peripheral surface of inner tube (1), be provided with isosceles trapezoid convex part (113) on the surface of outer strip (112) to make the top of isosceles trapezoid convex part (113) meet with the opposite side of interior strip (111).

3. A CPVC honeycomb tube with limiting ribs as claimed in claim 2, wherein: the thickness of the inner sheet strip (111) is equal to the thickness of the pipe wall of the inner pipe (1), and the thickness of the outer sheet strip (112) is larger than or equal to that of the inner sheet strip (111).

4. A CPVC honeycomb tube with limiting ribs as claimed in claim 2, wherein: the steel ring (13) is buried in the inner pipe (1), the steel ring (13) is arranged in an inner hole (10) surrounding the inner pipe (1), an outer steel bar (20) is buried in the outer sheet bar (112), an inner steel bar (30) is buried in the inner sheet bar (111), one end of the inner steel bar (30) is connected with the steel ring (13), and the other end of the inner steel bar (30) is connected with the middle part of the outer steel bar (20) after passing through the isosceles trapezoid convex part (113).

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