CN212537063U

CN212537063U - Pipeline connecting structure

Info

Publication number: CN212537063U
Application number: CN202021062705.3U
Authority: CN
Inventors: 喻旭; 陈智勇; 孙华丽; 邓海亚
Original assignee: Yonggao Co Ltd
Current assignee: Era Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-12
Anticipated expiration: 2030-06-10

Abstract

The utility model belongs to the technical field of the pipe connection, concretely relates to pipeline connection structure. The problem of low reliability of sealing connection between the hose and the hard pipe in the existing household drainage is solved. This pipeline connection structure, including the connecting pipe, its characterized in that, the upper portion inner wall of connecting pipe is equipped with the step face, the connecting pipe top is equipped with the apron, has on the apron with the communicating through-hole of connecting pipe, be equipped with the sealing washer between apron and the step face, be equipped with the connecting sleeve who links to each other with the connecting pipe periphery wall on the bottom surface of apron, the lower part cover of connecting pipe is equipped with the sealing ring. The utility model provides high sealing connection's reliability between hose and the hard tube in the family's drainage.

Description

Pipeline connecting structure

Technical Field

The utility model belongs to the technical field of the pipe connection, concretely relates to pipeline connection structure.

Background

According to the use habits of domestic residents, a counter basin is arranged in a residential toilet, a laundry basin is arranged on a balcony, a water tank is arranged in a kitchen, and corresponding sewer pipes are arranged in the toilet, the balcony and the kitchen and are usually hard pipes made of PVC and connected with a drainage system of a building. The water outlets of the counter basin, the laundry basin and the kitchen sink are communicated to a sewer pipe through a drainage hose, the size of the sewer pipe is usually 50-75mm in diameter, the drainage hose is usually 32mm in diameter and can be directly inserted into the sewer pipe, and a large gap is formed between the drainage hose and the sewer pipe, so that odor, mosquitoes and the like in a drainage system enter a room from the gap to pollute the indoor environment. In order to plug the gap between the drainage hose and the sewer pipe, the outer wall of the drainage hose and the outer wall of the sewer pipe are connected together through single-sided adhesive, odor, mosquitoes and the like are prevented from entering a room, but the form of sealing through the single-sided adhesive is not high in attractiveness and unstable in sealing performance.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a pipe connection structure, the utility model aims to solve the technical problem that: how to improve the reliability of the sealing connection between the hose and the hard pipe in the household drainage.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a pipeline connecting structure, includes the connecting pipe, its characterized in that, the upper portion inner wall of connecting pipe is equipped with the step face, the connecting pipe top is equipped with the apron, has on the apron with the communicating through-hole of connecting pipe, be equipped with the sealing washer between apron and the step face, be equipped with the connecting sleeve who links to each other with the connecting pipe periphery wall on the bottom surface of apron, the lower part cover of connecting pipe is equipped with the sealing ring.

The pipeline connecting structure is applied to household drainage, a hose penetrates through a through hole in a cover plate and is inserted into a connecting pipe, the outer wall of the hose is attached to a sealing ring positioned in the hose, the connecting pipe is inserted into a hard pipe, a sealing ring sleeved at the lower part of the connecting pipe is attached to the inner wall of the hard pipe, the connecting pipe fills a gap between the hose and the hard pipe, the gap between the hose and the connecting pipe is sealed through the sealing ring, and the sealing ring seals the gap between the hard pipe and the connecting pipe, so that the hose and the hard pipe are reliably connected in a sealing manner; the sealing ring is placed between the cover plate and the step surface, the displacement can be avoided when the hose is inserted and pulled out, and the cover plate and the connecting pipe are arranged in a split mode, so that the production and injection molding are facilitated.

In foretell pipeline connection structure, be equipped with the mounting groove of placing the sealing ring on the connecting pipe, be equipped with a plurality of cyclic annular sealed muscle on the periphery wall of sealing ring, a plurality of cyclic annular sealed muscle are along sealing ring axial interval distribution, and the top of sealed muscle is located outside the mounting groove. Because the connecting pipe inserts the hard tube after, the sealing ring can produce great frictional force with the hard tube, places the position that moves that can prevent the sealing ring with the sealing ring in the mounting groove, reduces the area of contact between the sealing ring is direct and the hard tube through setting up of many sealed muscle, can guarantee the sealed in clearance between connecting pipe and the hard tube simultaneously again.

In the above pipe connection structure, the cross section of the sealing rib is triangular. When the connecting pipe inserted the hard tube, deformation can take place when triangle-shaped's sealed muscle and the contact of hard tube inner wall, and triangle-shaped's sealed muscle head can be towards the top, and the lower bottom surface of sealed muscle supports with the hard tube inner wall and leans on, guarantees the sealed in clearance between connecting pipe and the hard tube.

In foretell pipeline connection structure, be equipped with the bulge loop along its circumference on the periphery wall of connecting pipe, the mounting groove is seted up on the periphery wall of bulge loop, and the vertical strengthening rib that is equipped with between the bottom surface of bulge loop and the bottom surface of connecting pipe, the outer border of strengthening rib has the direction inclined plane, has opening contained angle up between direction inclined plane and the connecting pipe outer wall. The connecting pipe is provided with the convex ring, so that the material usage amount of the connecting pipe can be reduced; the setting of strengthening rib can strengthen the structural strength of connecting pipe lower part, and secondly, the direction inclined plane on the strengthening rib makes the connecting pipe insert the hard tube in the direction.

In the above pipe connecting structure, the cover plate is annular, and the outer diameter of the cover plate is larger than that of the connecting sleeve pipe. In order to let in hard tube or hose in cupboard and bathroom cabinet, generally can trompil in the cabinet body, the apron can cover the hole in cupboard and the bathroom cabinet, prevents that the mosquito from getting into in cupboard or the bathroom cabinet.

In foretell pipeline connection structure, the bottom surface of apron is equipped with the connecting sleeve of joint on the connecting tube outer wall, is equipped with annular joint rib one on the inner wall of connecting sleeve, is equipped with the joint rib two that is located joint rib one top on the periphery wall of connecting tube. The cover plate is connected with a first clamping rib and a second clamping rib, the first clamping rib is located on the outer peripheral wall of the connecting pipe, the cover plate moves downwards, the first clamping rib overcomes blocking of the second clamping rib, the cover plate moves to the position below the second clamping rib, and connection between the cover plate and the connecting pipe is achieved.

Compared with the prior art, the pipeline connecting structure has the following advantages:

1. the gap generated by inserting the hose into the hard tube is filled, the gap between the connecting pipe and the hose is sealed by the sealing ring, and the gap between the connecting pipe and the hard tube is sealed by the sealing ring.

2. The outer diameter of the cover plate is larger than that of the connecting pipe, so that the cover plate can shield holes in the bathroom cabinet or the cupboard to prevent mosquitoes from entering the bathroom cabinet or the cupboard.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is an explosion structure diagram of the first embodiment of the present invention.

Fig. 3 is a cross-sectional view of a first embodiment of the present invention.

Fig. 4 is a schematic perspective view of a second embodiment of the present invention.

In the figure, 1, connecting pipe; 1a, a step surface; 1b, clamping ribs II; 1c, mounting grooves; 1d, a convex ring; 2. a cover plate; 2a, a through hole; 2b, connecting the sleeve; 2c, clamping the rib I; 3. a seal ring; 4. a seal ring; 4a, sealing ribs; 5. reinforcing ribs; 5a, a guide inclined plane; 6. a hose; 7. and (4) hard tubes.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 3, the embodiment of the present invention comprises a connecting pipe 1 and a cover plate 2, a horizontal step surface 1a is provided on the inner wall of the top of the connecting pipe 1, a through hole 2a communicating with the connecting pipe 1 is provided on the cover plate 2, the inner diameter of the through hole 2a is the same as the inner diameter of the connecting pipe 1, a sealing ring 3 is provided between the cover plate 2 and the step surface 1a, a connecting sleeve 2b is further provided on the bottom surface of the cover plate 2, an annular locking rib 2c is provided on the inner wall of the connecting sleeve 2b, the top of the connecting pipe 1 is provided with a clamping rib II 1b matched with the clamping rib I2 c, when the cover plate 2 needs to be clamped with the connecting pipe 1, apron 2 moves down, and in connecting pipe 1 got into connecting sleeve 2b, the blockking of joint rib two 1b was overcome to joint rib one 2c, moves to the below of joint rib two 1b, realizes that the joint between apron 2 and the connecting pipe 1 is connected. Hose 6 passes through-hole 2a on the apron 2 and gets into in the connecting pipe 1, and the sealing washer 3 that sets up in the connecting pipe 1 closely laminates with the outer wall of hose 6, seals between hose 6 and the 1 inner wall of connecting pipe, and setting up of step face 1a and apron 2 can be spacing to sealing washer 3, guarantees the rigidity of sealing washer 3 when hose 6 plugs.

As shown in fig. 1 to 3, a sealing ring 4 is sleeved on the lower portion of the connecting pipe 1, the sealing ring 4 has certain elasticity and is tied on the connecting pipe 1, two or three sealing ribs 4a are arranged on the outer wall of the sealing ring 4, preferably, three sealing ribs 4a are adopted, the sealing ribs 4a are annularly arranged, the three sealing ribs 4a are axially arranged along the sealing ring 4 at intervals, and the cross section of each sealing rib 4a is triangular. During hard tube 7 was inserted to connecting pipe 1's lower part, hard tube 7 can extrude sealing ring 4 with connecting pipe 1 and make the sealed muscle 4a on the sealing ring 4 take place deformation, because connecting pipe 1 inserts behind the hard tube 7, the great frictional force that sealing ring 4 can produce with hard tube 7, sealed muscle 4 a's setting reduces the area of contact between 4 directness of sealing ring and the hard tube 7, can guarantee the sealed in clearance between connecting pipe 1 and the hard tube 7 simultaneously again, triangle-shaped sealed muscle 4a head can move towards the top, sealed muscle 4 a's lower bottom surface supports with hard tube 7 inner wall and leans on, guarantee the sealed in clearance between connecting pipe 1 and the hard tube 7.

As shown in fig. 1 to 3, the utility model discloses in being applied to the drainage of family, hose 6 passes through-hole 2a on the apron 2 and inserts in the connecting pipe 1, the outer wall of hose 6 supports with the sealing washer 3 that is located hose 6 and leans on, connecting pipe 1 inserts in the hard tube 7, sealing ring 4 that the lower pot head of connecting pipe 1 established supports with the inner wall of hard tube 7 and leans on, connecting pipe 1 fills the clearance between hose 6 and the hard tube 7, and through the clearance seal between sealing washer 3 hose 6 and the connecting pipe 1, sealing ring 4 seals the clearance between hard tube 7 and the connecting pipe 1, thereby make and form reliable sealing connection between hose 6 and the hard tube 7.

As shown in fig. 1 to 3, a convex ring 1d is arranged at the lower part of the connecting pipe 1, the convex ring 1d is arranged along the outer peripheral wall of the connecting pipe 1, a mounting groove 1c is formed in the outer peripheral wall of the convex ring 1d, the sealing ring 4 is arranged in the mounting groove 1c, the top end of the sealing rib 4a is arranged outside the mounting groove 1c, a reinforcing rib 5 is vertically arranged between the bottom surface of the convex ring 1d and the bottom surface of the connecting pipe 1, a guide inclined surface 5a is arranged at the outer edge of the reinforcing rib 5, and an upward opening included angle is formed between the guide inclined surface 5a and the. Because behind connecting pipe 1 inserted hard tube 7, sealing ring 4 can prevent the position of moving of sealing ring 4 in mounting groove 1c with the great frictional force of hard tube 7, with sealing ring 4. The convex ring 1d can be arranged on the connecting pipe 1 to form the mounting groove 1c under the condition that the thickness of the whole connecting pipe 1 is not changed, so that the material usage amount of the connecting pipe 1 is reduced; the arrangement of the reinforcing rib 5 can enhance the structural strength of the lower portion of the connection pipe 1, and the guide slope 5a of the reinforcing rib 5 guides the insertion of the connection pipe 1 into the hard pipe 7.

As shown in fig. 1 to 3, the cover plate 2 is circular, the outer diameter of the cover plate 2 is larger than the outer diameter of the pipe of the connecting sleeve 2b, a hole is usually formed in the cabinet body in order to allow the hard pipe 7 or the hose 6 to enter the cabinet and the bathroom cabinet, and the cover plate 2 can cover the hole in the cabinet and the bathroom cabinet to prevent mosquitoes from entering the cabinet or the bathroom cabinet.

Example two

This embodiment is substantially the same as the above embodiment, and is different from the above embodiment in that:

as shown in fig. 4, the inner wall of the connecting sleeve 2b disposed on the bottom surface of the cover plate 2 forms a tight fit with the outer wall of the connecting pipe 1, so that the cover plate 2 is fixedly connected with the connecting pipe 1. The outer diameter of the cover plate 2 is the same as that of the connecting sleeve 2b, so that the connection between the hose 6 and the hard pipe 7 is simple when the hole formed in the cupboard or the bathroom cabinet is not required to be shielded.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a pipeline connection structure, includes connecting pipe (1), its characterized in that, the upper portion inner wall of connecting pipe (1) is equipped with step face (1a), connecting pipe (1) top is equipped with apron (2), has on apron (2) with connecting pipe (1) communicating through-hole (2a), is equipped with between apron (2) and step face (1a) sealing washer (3), is equipped with on the bottom surface of apron (2) connecting sleeve (2b) that link to each other with connecting pipe (1) periphery wall, and the lower part cover of connecting pipe (1) is equipped with sealing ring (4).

2. The pipe connection structure according to claim 1, wherein the connection pipe (1) is provided with a mounting groove (1c) for placing the sealing ring (4), the peripheral wall of the sealing ring (4) is provided with a plurality of annular sealing ribs (4a), the plurality of annular sealing ribs (4a) are axially distributed at intervals along the sealing ring (4), and the top end of each sealing rib (4a) is located outside the mounting groove (1 c).

3. The pipe connection according to claim 2, wherein the cross-section of the sealing rib (4a) is triangular.

4. The pipeline connecting structure according to claim 3, wherein a convex ring (1d) is arranged on the outer peripheral wall of the connecting pipe (1) along the circumferential direction, the mounting groove (1c) is formed in the outer peripheral wall of the convex ring (1d), a reinforcing rib (5) is vertically arranged between the bottom surface of the convex ring (1d) and the bottom surface of the connecting pipe (1), the outer edge of the reinforcing rib (5) is provided with a guide inclined surface (5a), and an included angle with an upward opening is formed between the guide inclined surface (5a) and the outer wall of the connecting pipe (1).

5. The pipe connection according to claim 1 or 2 or 3 or 4, wherein the cover plate (2) is annular, and the outer diameter of the cover plate (2) is larger than the outer diameter of the pipe of the connection sleeve (2 b).

6. The pipeline connecting structure according to claim 5, wherein a connecting sleeve (2b) clamped on the outer wall of the connecting pipe (1) is arranged on the bottom surface of the cover plate (2), an annular clamping rib I (2c) is arranged on the inner wall of the connecting sleeve (2b), and a clamping rib II (1b) located above the clamping rib I (2c) is arranged on the outer peripheral wall of the connecting pipe (1).