CN215166176U

CN215166176U - Drainer sealing switching structure

Info

Publication number: CN215166176U
Application number: CN202120675283.5U
Authority: CN
Inventors: 黄志胜
Original assignee: Fujian Talea Sanitary Technology Co ltd
Current assignee: Fujian Talea Sanitary Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-14
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a sealed switching structure of downcomer, include the switching nut of making by thermoplastic elastomer material and be used for the coupling nut who is connected switching nut and downcomer, the lateral surface of switching nut is equipped with the external screw thread that is used for with coupling nut threaded connection, the medial surface of switching nut is equipped with the internal thread that is used for with downcomer threaded connection. The utility model discloses a switching nut is made to thermoplastic elastomer material, utilizes thermoplastic elastomer material to have the high elasticity of rubber, high strength, can adopt the mould shaping to make the characteristics of realizing the volume production again, guarantees that switching nut processing is convenient, and simultaneously, the switching nut that thermoplastic elastomer material made can realize the connection function of ordinary nut, can replace the sealing washer again to realize sealed function, effectively reduces spare part, reduction product cost.

Description

Drainer sealing switching structure

Technical Field

The utility model relates to a hydrophone connection structure technical field down, concretely relates to hydrophone seals switching structure down.

Background

The drainer is an important interface for connecting a drainage pipeline system with a water tank and basin products, waste water is introduced into a sewer through the drainer to realize drainage, the existing drainer usually adopts a simple nut piece to connect the water tank, the basin or a drainage pipe, a gasket is usually required to be installed in the nut in order to prevent water leakage and connection looseness, the number of parts is large, the structure is complex, and the gasket is easy to distort and deform, the installation is easy to lose efficacy, the water leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above weak point, provide one kind and need not the gasket, simple structure, spare part is few, simple to operate, can effectively seal and prevent leaking, long service life's sealed switching structure of hydrophone down.

The utility model provides a scheme that technical problem adopted is: a sealing and switching structure of a drainer is used for connecting the drainer and a sewer pipe and comprises a switching nut made of one of thermoplastic elastomer materials, rubber materials, polyethylene plastics or polypropylene plastics and a connecting nut used for connecting the switching nut and the sewer pipe, wherein an external thread used for being in threaded connection with the connecting nut is arranged on the outer side surface of the switching nut, and an internal thread used for being in threaded connection with the sewer pipe is arranged on the inner side surface of the switching nut.

Furthermore, in order to limit the access depth of the sewer pipe and contact the end face of the sewer pipe, the end face sealing is realized so as to ensure the sealing performance; the inner side surface of the switching nut is provided with a limiting bulge, and the limiting bulge is radially and inwardly extended from the switching nut to limit the insertion depth of the sewer pipe and is matched with the sewer pipe to realize end surface sealing.

Furthermore, in order to produce the adapter nut with proper hardness, on the premise of ensuring the structural strength, the adapter nut can be ensured to have certain flexibility to replace a sealing ring and be directly in sealing contact with a sewer pipe, so that product accessories are reduced, and the product cost is reduced; the hardness of the adapting nut is 40-80 degrees in Shore hardness.

Furthermore, in order to form two different thread specifications to match different parts, connection between different products is realized, and parts are reduced; the external threads are G1-1/2 'inches and the internal threads are G1-1/4' inches.

Further, in order to install the connecting nut, the adapting nut is connected with the drainer; be equipped with the connector that is used for installing coupling nut on the hydrophone down, the connector upside is equipped with radially outwards extends the annular arch that is used for joint coupling nut, is equipped with the chamfer face on the annular arch, be equipped with on the coupling nut be used for with the protruding spacing complex of annular limit flange, be equipped with the wedge inclined plane on the limit flange so that go into the protruding below of annular with the limit flange card.

Compare prior art, the utility model has the advantages of it is following: the utility model discloses a thermoplastic elastomer material makes switching nut, utilize thermoplastic elastomer material to have the high elasticity of rubber, high strength, can adopt the mould shaping to make the characteristics that realize the volume production again, guarantee switching nut processing convenience, and simultaneously, the switching nut that thermoplastic elastomer material made, can realize the connection function of ordinary nut, can replace the sealing washer again and realize sealed function, effectively reduce spare part, reduce product cost, and, long service life, it is recoverable, guarantee green energy-conservation, reduce environmental pollution, it is concrete, terminal surface and connector up end contact under the switching nut, it is protruding to be formed with the spacing on the switching nut, can with downcomer end face contact, realize end seal, the equal sealing contact in upper and lower both sides, thereby guarantee the gas tightness.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings:

FIG. 1 is an exploded view of the structure of the present invention;

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

fig. 3 is a partially enlarged view of a in fig. 2.

In the figure: 1-a drainer; 101-a connector; 102-an annular projection; 2-a downcomer; 3-adapting a nut; 301-limit protrusion; 4-connecting a nut; 401-a position-defining flange; 402-wedge-shaped slope.

Detailed Description

The invention is described in detail below with reference to the drawings and specific examples:

the specific embodiment is as follows: as shown in fig. 1 to 3, the present embodiment provides a sealing and adapting structure for a drainer, which is used to connect a drainer 1 and a drainer 2, and includes an adapting nut 3 made of one of thermoplastic elastomer material, rubber material, polyethylene plastic or polypropylene plastic, and a connecting nut 4 used to connect the adapting nut 3 with the drainer 1, where the thermoplastic elastomer material is, for example, TPE, the rubber material is, for example, silica gel, rubber, nitrile rubber, etc., preferably TPE, an external thread used to be in threaded connection with the connecting nut 4 is provided on an outer side surface of the adapting nut 3, and an internal thread used to be in threaded connection with the drainer 2 is provided on an inner side surface of the adapting nut 3.

In the embodiment, in order to limit the access depth of the downcomer 2 and contact the end face of the downcomer 2, end face sealing is realized to ensure the sealing performance; the inner side surface of the adapting nut 3 is provided with a limiting bulge 301, and the limiting bulge 301 is radially and inwardly extended from the adapting nut 3 to limit the insertion depth of the downcomer 2 and is matched with the downcomer 2 to realize end surface sealing.

In the embodiment, in order to produce the adapting nut 3 with appropriate hardness, on the premise of ensuring the structural strength, the adapting nut 3 can be ensured to have certain flexibility to replace a sealing ring and directly contact with the sewer pipe 2 in a sealing way, so that the number of product accessories is reduced, and the product cost is reduced; the hardness of the adapting nut 3 is 40-80 degrees, preferably 80 degrees.

In the embodiment, in order to form two different thread specifications to match different parts, connection between different products is realized, and parts are reduced; the external threads are G1-1/2 'inches and the internal threads are G1-1/4' inches.

In the present embodiment, in order to install the coupling nut 4 to couple the adaptor nut 3 with the drainer 1; be equipped with the connector 101 that is used for installing coupling nut 4 on hydrophone 1 down, connector 101 upside is equipped with radial outside extension and is used for joint coupling nut 4's annular arch 102, is equipped with the chamfer face on the annular arch 102, be equipped with on coupling nut 4 be used for with the protruding 102 spacing complex of annular limit flange 401, be equipped with wedge inclined plane 402 on the limit flange 401 so that block limit flange 401 into the protruding 102 below of annular.

The utility model discloses a thermoplastic elastomer material makes switching nut 3, utilize thermoplastic elastomer material to have the high elasticity of rubber, high strength, but the characteristics of injection molding processing again, guarantee switching nut 3 processing convenience, and simultaneously, switching nut 3 that thermoplastic elastomer material made, can realize the connection function of ordinary nut, can replace the sealing washer again and realize sealed function, effectively reduce spare part, reduce product cost, and, long service life, it is recoverable, guarantee green energy-conservation, reduce environmental pollution, it is concrete, terminal surface and connector up end contact under the switching nut 3, be formed with spacing arch 301 on the switching nut 3, can with 2 end face contact of downcomer, realize end face seal, the equal sealing contact in upper and lower both sides, thereby guarantee the gas tightness.

The above only is the embodiment of the present invention, and not therefore the scope of the patent protection of the utility model, all utilize the equivalent structure or equivalent flow transformation made by the contents of the specification and the drawings, or directly or indirectly use in other related technical fields, all including in the same way the scope of the patent protection of the present invention.

Claims

1. The utility model provides a hydrophone seals switching structure down for connect hydrophone and downcomer down, its characterized in that: the water drainer comprises a switching nut made of one of thermoplastic elastomer materials, rubber materials, polyethylene plastics or polypropylene plastics and a connecting nut used for connecting the switching nut with a drainer, wherein the outer side surface of the switching nut is provided with an external thread used for being in threaded connection with the connecting nut, and the inner side surface of the switching nut is provided with an internal thread used for being in threaded connection with a sewer pipe.

2. The downcomer sealing adapter structure of claim 1 wherein: the inner side surface of the switching nut is provided with a limiting bulge, and the limiting bulge is radially and inwardly extended from the switching nut to limit the insertion depth of the sewer pipe and is matched with the sewer pipe to realize end surface sealing.

3. The downcomer sealing adapter structure of claim 1 wherein: the hardness of the adapting nut is 40-80 degrees in Shore hardness.

4. The downcomer sealing adapter structure of claim 1 wherein: the external threads are G1-1/2 'inches and the internal threads are G1-1/4' inches.

5. The downcomer sealing adapter structure of claim 1 wherein: be equipped with the connector that is used for installing coupling nut on the hydrophone down, the connector upside is equipped with radially outwards extends the annular arch that is used for joint coupling nut, is equipped with the chamfer face on the annular arch, be equipped with on the coupling nut be used for with the protruding spacing complex of annular limit flange, be equipped with the wedge inclined plane on the limit flange so that go into the protruding below of annular with the limit flange card.