CN211421267U

CN211421267U - PVC-U drain pipe structure of high pressure resistance

Info

Publication number: CN211421267U
Application number: CN201921505028.5U
Authority: CN
Inventors: 刘文静
Original assignee: ANHUI JIUZISHAN PLASTIC CO LTD
Current assignee: ANHUI JIUZISHAN PLASTIC CO LTD
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-09-04
Anticipated expiration: 2029-09-10

Abstract

The utility model provides a PVC-U drain pipe structure of high-strength crushing resistance, including drainage body and protection shell cover, the protection shell cover divide into first semi-circular arc shell cover and lower semi-circular arc shell cover, first semi-circular arc shell cover with the equal symmetry in both sides of lower semi-circular arc shell cover is equipped with the connection strake, first semi-circular arc shell cover with the rear end that extends to the shell cover along the front end of shell cover on the surface of lower semi-circular arc shell cover is equipped with one by one and prevents extrudeing the lug, extend to the body rear end along the body front end on the surface of drainage body and be equipped with semi-arc lug one by one, first semi-circular arc shell cover with the rear end that extends to the shell cover along the front end of shell cover on the inner wall of lower semi-circular arc shell cover is equipped with semi-arc recess one by one, and is a plurality of semi-arc recess agrees with. The utility model discloses not only improved the crushing resistance protection of drain pipe, still made the installation adaptability of drain pipe obtain the reinforcing, better avoiding the drain pipe to receive the damage, further saved cast the pipe material.

Description

PVC-U drain pipe structure of high pressure resistance

Technical Field

The utility model relates to a technical field of drain pipe, concretely relates to PVC-U drain pipe structure of high pressure resistance nature.

Background

The PVC-U pipeline is produced with sanitary polyvinyl chloride (PVC) resin as main material and proper amount of stabilizer, lubricant, stuffing, coloring agent, etc. and through extrusion in plastic extruder, injection in injection molding machine, cooling, solidification, setting, inspection, packing and other steps. The cast iron pipe has the advantages of excellent physical and chemical properties, chemical corrosion resistance, high impact strength, small fluid resistance, 30% of flow rate improvement compared with a cast iron pipe with the same caliber, aging resistance, long service life and service life of not less than 50 years, and is an ideal material for water supply and drainage of buildings.

At present, PVC-U pipelines are widely used in the field of building drainage, replace traditional cast iron pipelines and bring better drainage effect, but the pressure resistance of the existing PVC-U drainage pipelines is still slightly insufficient and lacks reasonable protectiveness, and the existing PVC-U drainage pipelines are accidentally collided or stressed by external stress during placement, transportation and installation, so that deformation and damage are easily caused, once the pipe bodies of the pipe bodies are damaged, the use of the whole pipeline is directly influenced, a large amount of waste of cast pipe materials is caused, and the building cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a PVC-U drain pipe structure with high pressure resistance, which is used for solving the technical problem provided in the background technology.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a PVC-U drain pipe structure with high pressure resistance comprises a drain pipe body and a protective casing, wherein the periphery of the drain pipe body is in contact with but not fixed with the inner wall of the protective casing, the protective casing is divided into an upper semi-arc casing and a lower semi-arc casing, connecting edgings are symmetrically arranged on two sides of the upper semi-arc casing and the lower semi-arc casing, the two connecting edgings on each side are fixedly connected through a plurality of bolts, and anti-extrusion lugs are arranged on the outer surfaces of the upper semi-arc casing and the lower semi-arc casing one by one along the front end of the casing and extend to the rear end of the casing;

the outer surface of the drainage pipe body is provided with four semi-arc-shaped lugs one by one along the extension of the front end of the pipe body to the rear end of the pipe body, and the arc lengths of the semi-arc-shaped lugs are equal;

last half circular arc cover shell with extend to the rear end of cover shell one by one along the front end of cover shell on the inner wall of lower half circular arc cover shell, half circular arc recess is equipped with four, and is a plurality of half circular arc recess agrees with mutually with a plurality of half circular arc lug.

Furthermore, the inner structure of the upper semicircular arc casing and the lower semicircular arc casing is sequentially provided with an anti-abrasion layer and a pressure-resistant layer from outside to inside.

Furthermore, what first semicircle shell both sides set up connect the upper surface of strake to be equipped with many connection pieces one by one, it is a plurality of many connection pieces all through the bolt with two connect the strake and be connected, and every many connection pieces keep away from two connect and seted up the slotted hole on the one end casing of strake.

Furthermore, an anti-slip mat is clamped between the upper semicircular arc casing and the two connecting edge strips on each side of the lower semicircular arc casing.

Furthermore, shock-absorbing rubber pads are glued on the surfaces of one ends, far away from the upper semicircular arc casing and the lower semicircular arc casing, of the anti-extrusion lugs.

Furthermore, one end of the drainage pipe body is provided with an extension connecting pipe, and a sealing ring is sleeved on the outer surface of the extension connecting pipe.

Furthermore, an inner groove is formed in the inner wall of one end, far away from the extending connecting pipe, of the drainage pipe body, and a sealing gasket is glued to the inner wall of the inner groove.

Furthermore, the length of the pipe body of the extension connecting pipe is equal to that of the groove body of the inner groove, and the difference between the outer diameter of the extension connecting pipe and the inner diameter of the inner groove is 1-3 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, an additional protective layer is formed on the pipe body through the protective sleeve shell outside the drain pipe body, the overall thickness of the drain pipe body is increased, so that the high-strength pressure resistance of the drain pipe body in any environment is enhanced, the mounting adaptability of the drain pipe body is enhanced by using a detachable separation mode of the protective sleeve shell, the drain pipe body can be detached for recycling when the protective sleeve shell is not needed, the protective sleeve shell has a protective effect, and the material waste can be indirectly saved;

secondly, the drainage pipe body is clamped and fixed in the protective casing and cannot rotate with the protective casing through the fit connection of the plurality of semi-arc-shaped lugs on the outer wall of the drainage pipe body and the plurality of semi-arc-shaped grooves on the inner walls of the upper semi-arc-shaped casing and the lower semi-arc-shaped casing, so that the pipeline is convenient to install;

two, through a plurality of extrusion lugs of preventing at both ends about the protection cover shell, make the drainage body when putting and transporting, the outward appearance of its protection cover shell can not direct contact ground or object, form aerial protection, and utilize a plurality of many book connection pieces on the both sides connection strake to be connected through the bolt is direct with fixed object when the installation, utilize the slotted hole design on every many book connection piece, make most standard bolt all can use, further increase the convenience of installation.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the protective cover case of the present invention;

figure 3 is the utility model discloses a drainage body and protection cover shell structure cross-sectional view.

In the figure: 1. a drain pipe body; 1a, a semi-arc-shaped bump; 11. an extension connection pipe; 11a, a sealing ring; 2. a protective cover shell; 2a, an upper semi-arc casing; 2b, a lower semi-arc casing; 2c, a semi-arc groove; 21. connecting edge strips; 21a, a non-slip mat; 22. an anti-extrusion bump; 22a, a shock-absorbing rubber pad; 23. a multi-fold connecting sheet; 23a, a long round hole; 24. an inner tank; 24a, a gasket; 25. an anti-wear layer; 26. and a pressure resistant layer.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, which shows a PVC-U drain pipe structure with high pressure resistance, comprising a drain pipe body 1 and a protective casing 2, wherein the outer periphery of the drain pipe body 1 is in contact with but not fixed to the inner wall of the protective casing 2, the protective casing 2 is divided into an upper semi-arc casing 2a and a lower semi-arc casing 2b, connecting strips 21 are symmetrically arranged on both sides of the upper semi-arc casing 2a and the lower semi-arc casing 2b, the two connecting strips 21 on each side are fixedly connected by a plurality of bolts, and anti-extrusion protrusions 22 are arranged on the outer surfaces of the upper semi-arc casing 2a and the lower semi-arc casing 2b one by one along the front end of the casing to the rear end of the casing; the outer surface of the drainage pipe body 1 is provided with four semi-arc-shaped lugs 1a one by one along the extension of the front end of the pipe body to the rear end of the pipe body, and the arc lengths among the semi-arc-shaped lugs 1a are equal; the inner walls of the upper half-arc casing 2a and the lower half-arc casing 2b are provided with half-arc grooves 2c one by one along the front end of the casing extending to the rear end of the casing, the number of the half-arc grooves 2c is four, and the number of the half-arc grooves 2c is multiple to the number of the half-arc bumps 1 a.

Please refer to fig. 2 again, the inner structures of the upper semicircular arc casing 2a and the lower semicircular arc casing 2b are sequentially provided with an anti-wear layer 25 and a pressure-resistant layer 26 from outside to inside. In this embodiment, increased the outside breakage-proof performance of whole protection cover 2 through abrasionproof layer 25, utilize simultaneously anti-pressure layer 26 to make whole protection cover 2 have stronger toughness, non-deformable, form better protectiveness to inside drainage body 1.

Please refer to fig. 1 again, the upper surfaces of the connecting edge strips 21 disposed at two sides of the upper semicircular arc casing 2a are respectively provided with a plurality of multi-fold connecting pieces 23, the plurality of multi-fold connecting pieces 23 are connected with the two connecting edge strips 21 through bolts, and a housing at one end of each multi-fold connecting piece 23 far away from the two connecting edge strips 21 is provided with a long circular hole 23 a. In the embodiment, the multiple multi-fold connecting pieces 23 are fixed by the multiple bolts, so that the multiple multi-fold connecting pieces 23 are detachable, and the slotted holes 23a at the tops of the multiple multi-fold connecting pieces are designed, so that a better bolt adaptation range can be realized when the multiple multi-fold connecting pieces are fixedly connected.

Please refer to fig. 3 again, a non-slip mat 21a is sandwiched between the two connecting edge strips 21 at each side of the upper semi-arc case 2a and the lower semi-arc case 2 b. In this embodiment, the anti-slip pad 21a between the two connecting edge strips 21 on each side increases the sealing performance during connection, and prevents the upper semicircular arc casing 2a and the lower semicircular arc casing 2b from being displaced, which affects the protection of the drain pipe body 1.

Referring to fig. 1 again, shock-absorbing rubber pads 22a are glued to the surfaces of the ends of the anti-extrusion protrusions 22 away from the upper semicircular casing 2a and the lower semicircular casing 2 b. In this embodiment, the shock-absorbing rubber pads 22a glued on the anti-extrusion bumps 22 make the anti-extrusion protectiveness of the drainage pipe bodies 1 during placement or transportation be further enhanced.

Please refer to fig. 1 and 3 again, an extension connecting pipe 11 is disposed at one end of the drain pipe body 1, and a sealing ring 11a is sleeved on the outer surface of the extension connecting pipe 11; an inner groove 24 is formed in the inner wall of one end, far away from the extension connecting pipe 11, of the drainage pipe body 1, and a sealing gasket 24a is glued and adhered to the inner wall of the inner groove 24; the length of the pipe body of the extension connecting pipe 11 is equal to the length of the groove body of the inner groove 24, and the difference between the outer diameter of the extension connecting pipe 11 and the inner diameter of the inner groove 24 is 1-3 mm. In this embodiment, the outer wall of the extension connection pipe 11 is coated with glue and then can be conveniently inserted into the inner groove 24 to be tightly connected by using the same length, so that the outer wall of the extension connection pipe 11 is in extrusion contact with the inner wall of the sealing gasket 24a, and the outer diameter of the extension connection pipe 11 is smaller than the inner diameter difference of the inner groove 24 within the range of 1-3mm, so that a space capable of being extruded and contacted is reserved between the sealing ring 11a on the extension connection pipe 11 and the sealing gasket 24a in the inner groove 24, and leakage caused by damage due to extrusion transition and when the plurality of drainage pipe bodies 1 are connected is avoided.

The utility model discloses a concrete operation as follows:

firstly, the protection casings 2 are sleeved outside the drainage pipe bodies 1, the connection edgings 21 on the two sides of the upper semi-arc casing 2a and the lower semi-arc casing 2b are fixedly connected through bolts, the semi-arc lugs 1a are correspondingly fitted into the semi-arc grooves 2c one by one to form clamping fixation, when the pipeline is placed or transported, the stacked pipeline forms overhead protection through the extrusion-proof lugs 22 and the shock-absorbing rubber pads 22a, when the pipeline is installed, the protection casings 2 are disassembled according to the requirements of site environment and customers, and if the pipeline is not required to be disassembled, the long round holes 23a on the multi-folded connecting pieces 23 are used for fixing the pipeline on the wall or in an underground trench through the bolts;

when a plurality of drainage pipe bodies 1 are connected, the outer wall of the extension connecting pipe 11 is coated with glue and then can be conveniently plugged into the inner groove 24 and the inner wall of the sealing gasket 24a for connection and fixation, and the difference range between the outer diameter of the extension connecting pipe 11 and the inner diameter of the inner groove 24 is within 1-3mm, so that a connectable space is left between the sealing gasket 11a on the extension connecting pipe 11 and the sealing gasket 24a in the inner groove 24, and the connection and installation of pipelines are facilitated.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. A PVC-U drain pipe structure with high pressure resistance comprises a drain pipe body (1) and a protective casing (2), and is characterized in that the periphery of the drain pipe body (1) is in contact with but not fixed to the inner wall of the protective casing (2), the protective casing (2) is divided into an upper semi-circular arc casing (2a) and a lower semi-circular arc casing (2b), connecting edge strips (21) are symmetrically arranged on two sides of the upper semi-circular arc casing (2a) and the lower semi-circular arc casing (2b), the two connecting edge strips (21) on each side are fixedly connected through a plurality of bolts, and anti-extrusion convex blocks (22) are arranged on the outer surfaces of the upper semi-circular arc casing (2a) and the lower semi-circular arc casing (2b) one by one along the front end of the casings and extend to the rear end of the casings;

the drainage pipe comprises a drainage pipe body (1), wherein semi-arc-shaped convex blocks (1a) are arranged on the outer surface of the drainage pipe body (1) one by one along the extension of the front end of the pipe body to the rear end of the pipe body, four semi-arc-shaped convex blocks (1a) are arranged, and the arc lengths among the semi-arc-shaped convex blocks (1a) are equal;

last half circular arc cover shell (2a) with the rear end that extends to the cover shell along the front end of cover shell on the inner wall of lower half circular arc cover shell (2b) is equipped with half arc recess (2c) one by one, half arc recess (2c) are equipped with four, and are a plurality of half arc recess (2c) agree with mutually with a plurality of half arc lug (1 a).

2. A PVC-U drain pipe structure with high pressure resistance according to claim 1, characterized in that the inner structure of the upper half-circular arc casing (2a) and the lower half-circular arc casing (2b) is provided with an anti-wear layer (25) and a pressure resistant layer (26) in sequence from outside to inside.

3. The PVC-U drainage pipe structure with high pressure resistance as claimed in claim 1, wherein the upper surfaces of the connecting edge strips (21) arranged on both sides of the upper semicircular arc casing (2a) are provided with multi-fold connecting pieces (23) one by one, a plurality of the multi-fold connecting pieces (23) are connected with two connecting edge strips (21) through bolts, and one end of each multi-fold connecting piece (23) far away from the two connecting edge strips (21) is provided with a long round hole (23 a).

4. A PVC-U drain pipe structure with high pressure resistance according to claim 2, characterized in that a non-slip mat (21a) is interposed between the two connection edgings (21) of each side of the upper semicircular arc casing (2a) and the lower semicircular arc casing (2 b).

5. The structure of a PVC-U drainage pipe with high pressure resistance as claimed in claim 1, wherein a shock-absorbing rubber pad (22a) is glued on the surface of one end of each of the anti-extrusion protrusions (22) away from the upper semicircular arc casing (2a) and the lower semicircular arc casing (2 b).

6. The high-pressure-resistant PVC-U drain pipe structure according to claim 1, wherein an extension connecting pipe (11) is arranged at one end of the drain pipe body (1), and a sealing ring (11a) is sleeved on the outer surface of the extension connecting pipe (11).

7. A high-strength pressure-resistant PVC-U drain pipe structure according to claim 6, wherein an inner groove (24) is formed on the inner wall of one end of the drain pipe body (1) far away from the extension connecting pipe (11), and a sealing gasket (24a) is glued on the inner wall of the inner groove (24).

8. The high-strength pressure-resistant PVC-U drainage pipe structure as claimed in claim 7, wherein the length of the extension connecting pipe (11) is equal to the length of the inner groove (24), and the difference between the outer diameter of the extension connecting pipe (11) and the inner diameter of the inner groove (24) is 1-3 mm.