CN213299204U - Sealing device for sewer pipe - Google Patents

Abstract

The utility model discloses a sewer pipe sealing device, as shown in figure 1, figure 2 and figure 3, comprising a sealing sleeve main body made of rubber material, a central hole connected with a plastic pipe is arranged on the sealing sleeve main body, a first sealing section and a second sealing section which are integrated with the sealing sleeve main body are arranged on the sealing sleeve main body, an annular spacing table-board is formed between the first sealing section and the second sealing section in the sealing sleeve main body, the outer walls of the first sealing section and the second sealing section are both provided with inverted triangle threads, the upper end of the first sealing section is provided with a flange cover extending outwards along the circumferential direction, the lower end surface of the flange cover is provided with an annular clamping groove matched with the sewer pipe in a lock joint way, the outer diameter of the first sealing section is larger than that of the second sealing section, the utility model only needs to sleeve the sealing sleeve main body on the plastic pipe along the central hole during installation and then install on the sewer pipe, the clamping groove of the flange cover is locked with, the disassembly and assembly are simpler, and the operation is more convenient.

Description

Sealing device for sewer pipe

Technical Field

The utility model relates to a drain pipe water seal, concretely relates to sewer line's sealing device.

Background

At present, a sewer pipeline drainage system connected with a washbasin, a bowl basin and the like is mainly and directly connected with a PVC sewer pipeline by adopting a plastic pipe (corrugated pipe), wherein one end of the plastic pipe (corrugated pipe) is connected with a sewer port of the washbasin or the bowl basin, and the other end of the plastic pipe (corrugated pipe) is directly inserted into an overground sewer pipeline in a kitchen or a toilet. Since the plastic pipe is much thinner than the above-ground sewer pipe, it may be easily and smoothly inserted into the above-ground sewer pipe, but such a simple method may result in the escape of unpleasant odors from the gap between the two pipes.

The Chinese patent network publication number is CN201475545U, the name is sewer pipeline sealing loose joint sleeve, a sewer pipeline sealing loose joint sleeve used in water rooms or kitchens, the sleeve device is composed of an inner pipeline, an outer sleeve pipeline, a sealing rubber sleeve and a screwing cover, and the device is characterized in that: and a conical sealant leather sleeve is sleeved in a gap between the inner pipeline and the outer pipeline and is screwed down by a screwing cover. Although the patent technology can solve the problem that odor escapes from a gap between two pipelines, when the sewer pipeline sealing loose joint sleeve is installed, a sealing rubber sleeve is firstly sleeved on an outer sleeve of an inner pipeline, and then a tightening cover is screwed with the outer sleeve pipeline, so that the problems of complex assembly and disassembly, low efficiency, more product parts, high production cost and the like are solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned weak point that exists among the prior art, the utility model aims to provide a sewer line's sealing device, this sealing device passes through fashioned lid of rubber materials and seal cover, and the dismouting is simpler when being connected with sewer line, and it is more convenient to operate.

The utility model discloses a following technical scheme realizes: the utility model provides a sealing device of sewer pipe, includes the seal cover main part, be equipped with the centre bore that meets the intercommunication with the plastic tubing in the seal cover main part, be equipped with a sealing section on the seal cover main part at least, the sealing section upper end is equipped with the flange lid that outwards extends along circumference, the lower terminal surface of flange lid is equipped with the ring groove with sewer pipe lock joint complex.

Further, the seal cover main part adopts rubber or silica gel material to make.

Further, be equipped with two seal segments in the seal cover main part, two seal segments include first seal segment and second seal segment, at the inside spacing mesa of annular that forms of seal cover main part between first seal segment and the second seal segment.

Further, the outer wall of first seal section and second seal section all is equipped with the inverted triangle screw thread.

Further, the external diameter of first seal section is greater than the external diameter of second seal section.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses the seal cover main part is provided with integrated into one piece's flange lid and seal section, as long as with the seal cover main part along centre bore cover on the plastic tubing during installation, installs again on sewer pipe, the draw-in groove and the sealed lock joint of sewer pipe end of flange lid, it is simpler to have the dismouting, and it is more convenient to operate.

2. The utility model discloses the seal cover main part is integrated into one piece, when production, as long as adopt one set of mould can, solve current rubber seal cover and screw up the cost that the lid needs two sets of moulds, reduce manufacturing cost, efficient.

3. The utility model discloses a sewer pipe installation of different bores can be satisfied to the seal segment of two different external diameters, and application range is wide, installs more in a flexible way.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic sectional structure of the present invention;

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

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

wherein: the sealing device comprises a sealing sleeve main body, a plastic pipe, a central hole, a first sealing section, a second sealing section, a ring-shaped limiting table board, a reverse triangular thread, a flange cover, a sewer pipeline and a clamping groove, wherein the sealing sleeve main body is 1, the plastic pipe is 2, the central hole is 3, the first sealing section is 4, the second sealing section is 5, the ring-shaped limiting table board is 6, the reverse triangular thread is 7.

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", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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. 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.

The sealing device for the sewer pipe of the embodiment is shown in fig. 1, fig. 2 and fig. 3, and comprises a sealing sleeve main body 1, the sealing sleeve main body is made of any one of rubber or silica gel, a central hole 3 connected with a plastic pipe 2 is arranged on the sealing sleeve main body 1, a first sealing section 4 and a second sealing section 5 which are integrally formed with the sealing sleeve main body 1 are arranged on the sealing sleeve main body 1, an annular limiting table 6 is formed between the first sealing section 4 and the second sealing section 5 in the sealing sleeve main body, the limiting table 6 can limit the depth of the plastic pipe passing through the central hole, inverted triangular threads 7 are arranged on the outer walls of the first sealing section 4 and the second sealing section 5, a flange cover 8 extending outwards is arranged at the upper end of the first sealing section 4 along the circumferential direction, an annular clamping groove 10 matched with the sewer pipe 9 in a fastening manner is arranged on the lower end face of the flange cover 8, and the clamping groove 10 of the flange cover is in a, the disassembly and assembly are simpler, and the operation is more convenient.

The utility model discloses the external diameter of first seal segment 4 is greater than the external diameter of second seal segment 5, can satisfy the sewer pipe 9 installation of different bores, and application range is wide, installs more in a flexible way.

The utility model discloses install and form three sealing between plastic tubing and sewer pipe, insert sewer pipe when the seal cover main part, make and form first sealing A between the outer wall of first sealing section 4 or second sealing section 5 and the 9 inner walls of sewer pipe, ring groove 10 and the 9 port locks of sewer pipe of flange lid back, make ring groove 10 lower extreme face and 9 port's of sewer pipe terminal surface form the second and say sealed B, and ring groove 10 side forms the third with sewer pipe's outer wall respectively and says sealed C.

The utility model discloses a theory of operation: firstly, the water outlet end of a plastic pipe (corrugated pipe) 2 is extruded from a central hole 3 of a sealing sleeve main body 1 to penetrate through and then inserted into a sewer pipe 9, after the water outlet end is inserted, the outer wall of a first sealing section 4 or a second sealing section 5 and the inner wall of the sewer pipe 9 form sealing, and meanwhile, an annular clamping groove 10 of a flange cover and the port of the sewer pipe 9 are buckled and sealed.

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 (5)

1. A sealing device for a sewer pipeline is characterized in that: the plastic pipe sealing sleeve comprises a sealing sleeve main body, wherein a central hole communicated with a plastic pipe is formed in the sealing sleeve main body, at least one sealing section is arranged on the sealing sleeve main body, a flange cover extending outwards is arranged at the upper end of the sealing section along the circumferential direction, and an annular clamping groove matched with a sewer pipe in a fastening mode is formed in the lower end face of the flange cover.

2. A sealing device for a sewer pipe according to claim 1, wherein: the seal cover main body is made of rubber or silica gel materials.

3. A sealing device for a sewer pipe according to claim 1 or 2, wherein: the sealing sleeve is characterized in that two sealing sections are arranged on the sealing sleeve main body and comprise a first sealing section and a second sealing section, and an annular limiting table top is formed between the first sealing section and the second sealing section in the sealing sleeve main body.

4. A sewer pipe sealing device as claimed in claim 3, wherein: the outer walls of the first sealing section and the second sealing section are provided with inverted triangular threads.

5. A sewer pipe sealing device as claimed in claim 4, wherein: the outer diameter of the first seal section is larger than the outer diameter of the second seal section.

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