CN212804671U - Concrete drain pipe - Google Patents

Abstract

The utility model discloses a concrete drain pipe, include: the outer peripheral walls of the head end and the tail end of the plurality of pipe bodies are respectively provided with a first annular cutting groove and a second annular cutting groove; the first clamping block is embedded into the first annular cutting groove of the pipe body; the second clamping block is embedded into the second annular groove of the pipe body; the sealing ring is clamped between the adjacent pipe bodies; and the fastener is used for connecting the first clamping block and the second clamping block at the butt joint of the adjacent pipe bodies and clamping the adjacent pipe bodies and the sealing rings between the adjacent pipe bodies. The utility model discloses utilize the first ring grooving of the tight piece embedding of first clamp, the tight piece embedding of second clamp ring grooving, the tight piece of first clamp and the tight piece of second clamp are connected to rethread fastener, press from both sides tight adjacent body butt joint department, also press from both sides the sealing washer in the middle of the adjacent body tightly, improve sealing performance, and the fastener also can guarantee sealing performance's stability.

Description

Concrete drain pipe

Technical Field

The utility model relates to the field of pipelines, especially, relate to a concrete drain pipe.

Background

The drain pipe mainly undertakes the drainage tasks of rainwater, sewage, farmland drainage and irrigation and drainage, etc. The drain pipe is divided into a plastic drain pipe and a concrete pipe.

The concrete pipe has low cost and good corrosion resistance, and is widely used. In particular, in the construction of urban drainage pipe network engineering, reinforced concrete drainage pipes are widely used in the components of drainage pipe networks.

However, the concrete pipes are not easy to be directly connected through the fasteners due to the materials of the concrete pipes, so that the sealing stability of the pipelines after the concrete pipes are butted is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a concrete drain pipe, its sealing performance is good stable.

According to the utility model discloses a concrete drain pipe of first aspect embodiment, include: the outer peripheral walls of the head end and the tail end of the plurality of pipe bodies are respectively provided with a first annular cutting groove and a second annular cutting groove; the first clamping block is embedded into the first annular cutting groove of the pipe body; the second clamping block is embedded into the second annular groove of the pipe body; the sealing ring is clamped between the adjacent pipe bodies; and the fastener is used for connecting the first clamping block and the second clamping block at the butt joint of the adjacent pipe bodies and clamping the adjacent pipe bodies and the sealing rings between the adjacent pipe bodies.

According to the utility model discloses concrete drain pipe has following technological effect at least: utilize first clamp tight piece embedding first ring grooving, the tight piece embedding second ring grooving of second clamp, the tight piece of rethread fastener connection first clamp is tight with the second clamp is tight, presss from both sides tight adjacent body butt joint department, also presss from both sides the sealing washer in the middle of the adjacent body tightly, improves sealing performance, and the fastener also can guarantee sealing performance's stability.

According to some embodiments of the utility model, the first tight piece of clamp is equipped with first connecting hole, the tight piece of second clamp is equipped with the second connecting hole that corresponds with first connecting hole, the fastener is the bolt group of wearing to establish on first connecting hole and second connecting hole.

According to some embodiments of the utility model, the body head end is equipped with the first breach that extends to first ring grooving from the head end face, the body tail end is equipped with the second breach that extends to second ring grooving from the tail end face, just first breach aligns with the second breach, the fastener passes first breach and second breach in order to be connected first clamp tight piece with the second presss from both sides tight piece.

According to some embodiments of the utility model, first tight piece of clamp is equipped with the first locating piece of the first breach that the embedding corresponds with it, the tight piece of second clamp is equipped with the second locating piece of the second breach that the embedding corresponds with it.

According to some embodiments of the utility model, the tight piece outer wall of first clamp and the tight piece outer wall of second clamp all with body periphery wall parallel and level.

According to some embodiments of the utility model, the sealing washer is equipped with the third breach that corresponds first breach and second breach.

According to the utility model discloses a some embodiments, the body head end is equipped with the bellied protruding circle outwards, the body tail end is equipped with the concave circle sunken in order to match with the protruding circle inwards, and during the butt joint of adjacent body, one of them body the concave circle of another body of protruding circle embedding.

According to some embodiments of the utility model, protruding circle is located to the sealing washer cover.

According to some embodiments of the utility model, sealing washer outer lane and body periphery wall parallel and level.

According to some embodiments of the utility model, the sealing washer adopts the rubber material to make.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

fig. 2 is an exploded view of the embodiment of the present invention in an installed state;

fig. 3 is a cross-sectional view of an embodiment of the invention;

fig. 4 is an enlarged view at a of fig. 2.

Reference numerals:

the pipe body 100, the first annular cutting groove 110, the first gap 111, the second annular cutting groove 120, the second gap 121, the convex ring 130 and the concave ring 140;

a first clamping block 200, a first positioning block 210 and a first connecting hole 220;

a second clamping block 300, a second positioning block 310, and a second connecting hole 320;

a seal ring 400, a third notch 410;

a fastener 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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

Referring to fig. 1 to 4, a concrete drain pipe according to an embodiment of the present invention includes a pipe body 100, a first clamping block 200, a second clamping block 300, a sealing ring 400, and a fastening member 500.

The pipe body 100 is provided with a plurality of pipe bodies, the pipe bodies are sequentially and coaxially connected end to end, and the outer peripheral walls of the end and the end of each pipe body 100 are respectively provided with a first annular cutting groove 110 and a second annular cutting groove 120; the first clamping block 200 is inserted into the first annular groove 110 of the pipe body 100; the second clamping block 300 is inserted into the second annular groove 120 of the tubular body 100; the seal ring 400 is interposed between the adjacent tube bodies 100; the fastening member 500 connects the first clamping block 200 and the second clamping block 300 at the joint of the adjacent pipe bodies 100, and is used for clamping the adjacent pipe bodies 100 and the sealing ring 400 between the adjacent pipe bodies 100, namely, the second clamping block 300 on the second annular cutting groove 120 on the forward one 100 of the adjacent two pipe bodies 100 is connected with the first clamping block 200 on the first annular cutting groove 110 on the backward one 100 of the other pipe bodies by the fastening member, and the first clamping block 200 and the second clamping block 300 are arranged in pairs and are arranged in a plurality of pairs around the axis of the pipe body 100 so as to clamp and fix the pipe bodies 100 uniformly in the circumferential direction. Utilize the fastener to connect first tight piece of clamp and the tight piece of second clamp, press from both sides tight adjacent body butt joint department, also press from both sides the sealing washer in the middle of the adjacent body tightly, improve sealing performance, and the fastener also can guarantee sealing performance's stability, compare in the mode through nested connection, the utility model discloses a drain pipe connection is inseparabler and firm, and sealing performance and sealing stability are all better.

In some embodiments of the present invention, the first clamping block 200 is provided with the first connecting hole 220, the second clamping block 300 is provided with the second connecting hole 320 corresponding to the first connecting hole 220, the fastening member 500 is a bolt set passing through the first connecting hole 220 and the second connecting hole 320, the bolt set includes a bolt and a nut, one end of the bolt passes through the first connecting hole 220 and the second connecting hole 320 and is connected with the nut by screw thread, the two are abutted against each other, and the sealing ring 400 between the two tubes 100 and the tube 100 is clamped.

In some embodiments of the present invention, the head end (front end) of the pipe body 100 is provided with a first notch 111 extending from the head end face to the first ring cutting groove 110, the tail end of the pipe body 100 is provided with a second notch 121 extending from the tail end face to the second ring cutting groove 120, the first notch 111 is aligned with the second notch 121, and the fastening member 500 passes through the first notch 111 and the second notch 121 to connect the first clamping block 200 and the second clamping block 300. The first notch 111 and the second notch 121 can hide the fastener 500 from protruding out of the outer peripheral wall of the pipe body 100, so that the outer peripheral wall of the drain pipe is more even and consistent.

The utility model discloses a further embodiment, first clamp piece 200 is equipped with the first locating piece 210 of embedding first breach 111 that corresponds with it, second clamp piece 300 is equipped with the second locating piece 310 of embedding second breach 121 that corresponds with it, first locating piece 210 can improve the installation accuracy of first clamp piece 200 with the embedding cooperation of first breach 111 like this, and in the same way, the installation accuracy of second clamp piece 300 can be improved with the embedding cooperation of second breach 121 to second locating piece 310, make things convenient for the counterpoint of first clamp piece 200 and second clamp piece 300 to be connected.

In some embodiments of the present invention, the outer walls of the first clamping block 200 and the second clamping block 300 are all flush with the outer peripheral wall of the pipe body 100, so that the first clamping block 200 and the second clamping block 300 do not protrude from the outer peripheral wall of the pipe body 100, so that the first clamping block 200 and the second clamping block 300 can be completely embedded into the first annular cutting groove 110 and the second annular cutting groove 120, respectively, so that the outer peripheral wall of the drain pipe is more flat. It is contemplated that the inner ring of the first clamping block 200 matches with the first annular slot 110 to fit with the bottom of the first annular slot 110 for positioning, and similarly, the inner ring of the second clamping block 300 matches with the second annular slot 120 to fit with the bottom of the second annular slot 120.

In a further embodiment of the present invention, the sealing ring 400 is provided with a third notch 410 corresponding to the first notch 111 and the second notch 121, and the third notch 410 is convenient for the fastening member to pass through. Of course, in other embodiments, the sealing ring 400 may only be designed with a hole for the fastener to pass through, but this requires high precision for the alignment and installation of the sealing ring, and makes the installation more difficult.

In some embodiments of the present invention, the head end of the pipe body 100 is provided with the convex ring 130 protruding outward, the tail end of the pipe body 100 is provided with the concave ring 140 recessed inward to match the convex ring 130, when the adjacent pipe bodies 100 are butted, the convex ring 130 of one of the pipe bodies 100 is embedded into the concave ring 140 of the other pipe body 100, and the convex ring 130 and the concave ring 140 are butted and matched to improve the coaxial precision of the butt joint of the pipe bodies 100, thereby facilitating the alignment of the first clamping block 200 and the second clamping block 300.

In the embodiment of the present invention, the convex ring 130 is sleeved with the sealing ring 400, so that the sealing ring 400 can be sleeved on the convex ring 130 before being installed, and then clamped by another pipe body 100, so as to facilitate installation of the sealing ring 400.

In some embodiments of the present invention, the outer ring of the sealing ring 400 is flush with the outer peripheral wall of the pipe body 100, so that the consistency of the outer peripheral wall of the drainage pipe is better. Specifically, the sealing ring 400 is made of rubber, and can bear a large pressing force and realize pre-tightening sealing through elastic force.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A concrete drain pipe, comprising:

the outer peripheral walls of the head end and the tail end of the plurality of pipe bodies (100) which are butted end to end are respectively provided with a first annular cutting groove (110) and a second annular cutting groove (120);

a first clamping block (200) inserted into a first annular groove (110) of the tubular body (100);

a second clamping block (300) inserted into the second annular groove (120) of the tubular body (100); a seal ring (400) interposed between adjacent ones of the pipe bodies (100);

and the fastener (500) is used for connecting the first clamping block (200) and the second clamping block (300) at the joint of the adjacent pipe bodies (100) and is used for clamping the adjacent pipe bodies (100) and the sealing rings (400) between the adjacent pipe bodies (100).

2. The concrete drain of claim 1, wherein: the first clamping block (200) is provided with a first connecting hole (220), the second clamping block (300) is provided with a second connecting hole (320) corresponding to the first connecting hole (220), and the fastener (500) is a bolt group penetrating through the first connecting hole (220) and the second connecting hole (320).

3. The concrete drain of claim 2, wherein: the first end of the pipe body (100) is provided with a first notch (111) extending from the first end face to the first annular cutting groove (110), the tail end of the pipe body (100) is provided with a second notch (121) extending from the tail end face to the second annular cutting groove (120), the first notch (111) is aligned with the second notch (121), and the fastener (500) penetrates through the first notch (111) and the second notch (121) to connect the first clamping block (200) and the second clamping block (300).

4. The concrete drain of claim 3, wherein: the first clamping block (200) is provided with a first positioning block (210) embedded into the corresponding first notch (111), and the second clamping block (300) is provided with a second positioning block (310) embedded into the corresponding second notch (121).

5. Concrete drain pipe according to claim 3 or 4, characterized in that: the outer walls of the first clamping block (200) and the second clamping block (300) are flush with the outer peripheral wall of the pipe body (100).

6. Concrete drain pipe according to claim 3 or 4, characterized in that: the sealing ring (400) is provided with a third notch (410) corresponding to the first notch (111) and the second notch (121).

7. The concrete drain of claim 1, wherein: the pipe comprises pipe bodies (100), wherein the head ends of the pipe bodies (100) are provided with convex rings (130) protruding outwards, the tail ends of the pipe bodies (100) are provided with concave rings (140) recessed inwards to match with the convex rings (130), and when adjacent pipe bodies (100) are butted, the convex rings (130) of one pipe body (100) are embedded into the concave rings (140) of the other pipe body (100).

8. The concrete drain of claim 7, wherein: the sealing ring (400) is sleeved on the convex ring (130).

9. The concrete drain of claim 8, wherein: the outer ring of the sealing ring (400) is flush with the outer peripheral wall of the pipe body (100).

10. The concrete drain of claim 1, wherein: the sealing ring (400) is made of rubber materials.

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