CN211475103U - Grey frock pipe of newness PPR that toughness is strong - Google Patents

Abstract

The utility model discloses a brand-new PPR grey frock pipe that toughness is strong, including rotating cap, protective sheath, body and loose collar, it installs on the both ends outer wall of body to rotate the cap screw thread, and the terminal surface of rotating the cap has welded the spacing ring, and the spacing ring cup joints on the body, the protective sheath activity is cup jointed on the body, and the both ends of protective sheath are located two spacing intra-rings respectively, and the inner wall of spacing ring is the inclined plane design, and the minimum internal diameter of spacing ring is less than the external diameter of protective sheath, and the one end of the minimum internal diameter of spacing ring is close to the rotating cap, and equidistant breach of seting up on the spacing ring, the one end of keeping away from the spacing ring is cup jointed in the activity of loose collar on the outer wall of rotating cap, and the inner wall veneer of loose collar has the rubber pad, the lower surface. The utility model discloses, the toughness of reinforcing PPR tubular product, and be convenient for carry out the protection to tubular product itself when, the convenient installation and the dismantlement to the protection outer tube satisfy personnel's user demand.

Description

Grey frock pipe of newness PPR that toughness is strong

Technical Field

The utility model relates to a PPR tubular product technical field specifically is a brand-new PPR grey frock pipe that toughness is strong.

Background

PPR is short for English random copolymerization polypropylene. The PPR pipe is a renewal product of UPVC water supply pipe, aluminum plastic pipe, PE-X pipe and PE-RT pipe, and because it uses random copolymerization technology, the strength and high temperature resistance of polypropylene are well guaranteed, thus becoming the main force of water pipe material.

Compared with traditional cast iron pipes, galvanized steel pipes, cement pipes and other pipelines, the PPR pipe has the advantages of energy conservation, material conservation, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, no scaling, simple and convenient construction and maintenance, long service life and the like, is widely applied to the building industry, municipal administration, industry and agriculture fields such as building water supply and drainage, urban and rural water supply and drainage, urban gas, electric power and optical cable sheaths, industrial fluid conveying agricultural irrigation and the like, and has the main defects of the PPR water pipe: high temperature resistance and slightly poor pressure resistance, and the long-term working temperature cannot exceed 70 ℃; each section is limited in length and cannot be bent for construction, and if the pipeline laying distance is long or corners are more, a large number of joints are used in construction; the pipe is cheap but the price of the fittings is relatively high, however, the PPR pipe is a pipe with higher cost performance from the comprehensive performance aspect, so the PPR pipe becomes the first choice material for the reconstruction of the home decoration water pipe.

Current PPR tubular product toughness is lower, can not satisfy the demand to the PPR product on the market, and the PPR tubular product is under the condition that does not have protective structure when being in the environmental protection in winter when using, makes the inside moisture of PPR tubular product freeze easily and leads to tubular product to damage, and the installation or the change of being not convenient for of current outer protective tube structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brand-new PPR grey frock pipe that toughness is strong, it is compact to possess structure, it is convenient to use, strengthen the toughness of PPR tubular product, and be convenient for when carrying out the protection to tubular product itself, the convenience is to the installation and the dismantlement of protection outer tube, satisfy personnel's user demand's advantage, it is lower to solve current PPR tubular product toughness, can not satisfy the demand to the PPR product on the market, and the PPR tubular product is under the condition that does not have protective structure when using under the environmental protection in winter, make the inside moisture of PPR tubular product freeze easily and lead to the tubular product to damage, and the problem that current outer protective tube structure is not convenient for the installation or change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a brand-new PPR grey frock pipe that toughness is strong, is including rotating cap, protective sheath, body and loose collar, it installs on the both ends outer wall of body to rotate the cap screw thread, and the terminal surface welding of rotating cap has the spacing ring, and the spacing ring cup joints on the body, the protective sheath activity is cup jointed on the body, and the both ends of protective sheath are located two spacing rings respectively, the loose collar activity cup joints the one end of keeping away from the spacing ring on the outer wall of rotating cap.

Preferably, the outer walls of the two ends of the pipe body are provided with thread grooves matched with the inner wall of the rotating cap, and the rotating cap is in thread engagement with the thread grooves.

Preferably, the inner wall of the limiting ring is designed to be an inclined plane, the minimum inner diameter of the limiting ring is smaller than the outer diameter of the protective sleeve, one end of the minimum inner diameter of the limiting ring is close to the rotating cap, and gaps are formed in the limiting ring at equal intervals.

Preferably, the outer surface of the movable ring is welded with bulges, and the bulges are distributed on the movable ring in an annular array.

Preferably, the inner wall of the movable ring is glued with a rubber pad, and the lower surface of the rubber pad is in contact with the outer surface of the rotating cap.

Preferably, the number of the rotating caps is two, and the two rotating caps are symmetrically distributed relative to the pipe body.

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

1. the novel high-toughness PPR gray tool tube increases an elastomer in the gray mother formula components and is blended with PP-R main materials in use, and produces a modified PPR tube material through an extruder, so that the toughness of the modified PPR tube is improved compared with that of a conventional PPR tube, meanwhile, a protective sleeve can be sleeved on a tube body, a rotating cap is installed on the tube body in a threaded manner, two ends of the protective sleeve enter into a limit ring through continuous screwing of the rotating cap, after the protective sleeve reaches the innermost end of the limit ring, the protective sleeve extrudes the limit ring through the design of the shape of the inner wall of the limit ring, so that the limit ring is deformed, the outer wall of the limit ring upwarps through the design of a notch on the limit ring, at the moment, a movable ring capable of sliding moves to the limit ring, the movable ring extrudes and limits the limit ring, thereby with the rigidity of protective sheath, through the design of rubber pad, increase the frictional force between spacing ring and the activity ring, compact structure, it is convenient to use, strengthens the toughness of PPR tubular product, and when being convenient for protect tubular product itself, the convenience is to the installation and the dismantlement of protection outer tube, satisfies personnel's user demand.

Drawings

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

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. rotating the cap; 2. a limiting ring; 3. a protective sleeve; 4. a pipe body; 5. a movable ring; 6. a protrusion; 7. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: a brand new PPR gray tooling pipe with strong toughness comprises a rotary cap 1, a protective sleeve 3, a pipe body 4 and a movable ring 5, wherein an elastomer is added in the components of a gray master formula and is blended with a PP-R main material, and the PPR main material and a specific gray master are mixed according to the proportion of 100: 2, blending in proportion, and producing the modified PPR pipe by an extruder, so that the toughness of the modified PPR pipe is improved compared with that of the conventional PPR pipe.

Rotate cap 1 screw thread and install on the both ends outer wall of body 4, it is totally two to rotate cap 1, two rotate cap 1 are symmetric distribution for body 4, the both ends outer wall of body 4 set up with the thread groove of rotating cap 1's inner wall looks adaptation, screw-thread engagement between rotation cap 1 and the thread groove, a terminal surface butt fusion of rotation cap 1 has spacing ring 2, spacing ring 2 cup joints on body 4, protective sheath 3 activity cup joints on body 4, and the both ends of protective sheath 3 are located two spacing rings 2 respectively, can cup joint protective sheath 3 on body 4, protective sheath 3 can be made for insulation material for example foam, then will rotate cap 1 screw thread and install on body 4, through rotating cap 1 continuously twisting into make the both ends of protective sheath 3 get into in spacing ring 2.

After protective sheath 3 reachd the innermost of spacing ring 2, the inner wall of spacing ring 2 is the inclined plane design, the minimum internal diameter of spacing ring 2 is less than the external diameter of protective sheath 3, and the one end of the minimum internal diameter of spacing ring 2 is close to and rotates cap 1, design through 2 inner wall shapes of spacing ring, make protective sheath 3 produce the extrusion to spacing ring 2, thereby make spacing ring 2 produce deformation, equidistant the breach of seting up on the spacing ring 2, through the design of 2 upper notches of spacing ring, make the outer wall of spacing ring 2 upwarp.

The one end of keeping away from spacing ring 2 on the outer wall of rotation cap 1 is cup jointed in the activity of activity ring 5, and slidable activity ring 5 for on activity ring 5 removed spacing ring 2, activity ring 5 extrudeed spacing ring 2 spacing, thereby with the rigidity of protective sheath 3.

The inner wall veneer of activity ring 5 has rubber pad 7, the lower surface of rubber pad 7 and the surface of rotating cap 1 contact each other, design through rubber pad 7, increase the frictional force between spacing ring 2 and the activity ring 5, the surface welding of activity ring 5 has arch 6, arch 6 is annular array distribution on activity ring 5, the area of contact who increases activity ring 5 improves frictional force, compact structure, it is convenient to use, the toughness of reinforcing PPR tubular product, and be convenient for when carrying out the protection to tubular product itself, the convenience is to the installation and the dismantlement of protection outer tube, satisfy personnel's user demand.

The working principle is as follows: the novel high-toughness PPR gray tool tube increases an elastomer in gray female formula components in the using process, is blended with PP-R main materials, and produces a modified PPR tube material through an extruder, so that the toughness of the modified PPR tube is improved compared with that of a conventional PPR tube, meanwhile, a protective sleeve 3 can be sleeved on a tube body 4, the protective sleeve 3 can be made of heat-insulating materials such as foam, then a rotating cap 1 is installed on the tube body 4 in a threaded manner, two ends of the protective sleeve 3 enter a limiting ring 2 through continuous screwing of the rotating cap 1, when the protective sleeve 3 reaches the innermost end of the limiting ring 2, the protective sleeve 3 extrudes the limiting ring 2 through the design of the shape of the inner wall of the limiting ring 2, so that the limiting ring 2 is deformed, through the design of a notch on the limiting ring 2, the outer wall of the limiting ring 2 upwarps, at the moment, a slidable movable ring 5, make activity ring 5 remove to spacing ring 2 on, activity ring 5 extrudees spacing to spacing ring 2 to with the rigidity of protective sheath 3, through the design of rubber pad 7, increase the frictional force between spacing ring 2 and the activity ring 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a brand-new PPR grey frock pipe that toughness is strong, includes rotation cap (1), protective sheath (3), body (4) and activity ring (5), its characterized in that: rotate cap (1) screw thread and install on the both ends outer wall of body (4), and rotate a terminal surface melt joint of cap (1) and have spacing ring (2), spacing ring (2) cup joint on body (4), protective sheath (3) activity is cup jointed on body (4), and the both ends of protective sheath (3) are located two spacing rings (2) respectively, the one end of keeping away from spacing ring (2) on rotating the outer wall of cap (1) is cup jointed in activity ring (5).

2. The brand-new PPR gray tool tube with strong toughness as claimed in claim 1, wherein: the outer walls of the two ends of the pipe body (4) are provided with thread grooves matched with the inner wall of the rotating cap (1), and the rotating cap (1) is in thread engagement with the thread grooves.

3. The brand-new PPR gray tool tube with strong toughness as claimed in claim 1, wherein: the inner wall of the limiting ring (2) is designed to be an inclined plane, the minimum inner diameter of the limiting ring (2) is smaller than the outer diameter of the protective sleeve (3), one end of the minimum inner diameter of the limiting ring (2) is close to the rotating cap (1), and gaps are formed in the limiting ring (2) at equal intervals.

4. The brand-new PPR gray tool tube with strong toughness as claimed in claim 1, wherein: the outer surface of the movable ring (5) is welded with bulges (6), and the bulges (6) are distributed on the movable ring (5) in an annular array.

5. The brand-new PPR gray tool tube with strong toughness as claimed in claim 1, wherein: the inner wall of the movable ring (5) is glued with a rubber pad (7), and the lower surface of the rubber pad (7) is in contact with the outer surface of the rotating cap (1).

6. The brand-new PPR gray tool tube with strong toughness as claimed in claim 1, wherein: the number of the rotating caps (1) is two, and the two rotating caps (1) are symmetrically distributed relative to the pipe body (4).

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