CN215806905U

CN215806905U - Big electronic wave line connection return bend

Info

Publication number: CN215806905U
Application number: CN202121383951.3U
Authority: CN
Inventors: 裘静怡
Original assignee: Wuxi Baoteyuan Plastic Technology Co ltd
Current assignee: Wuxi Baoteyuan Plastic Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-02-11
Anticipated expiration: 2031-06-22

Abstract

The application relates to a large corrugated connection elbow, which comprises a corrugated pipe body, wherein the corrugated pipe body comprises a corrugated pipe part, an elbow part and a straight pipe part, the elbow part and the straight pipe part are respectively arranged on two sides of the corrugated pipe part, and the corrugated pipe part, the elbow part and the straight pipe part are communicated; the elbow part is provided with a first pipe orifice, the straight pipe part is provided with a second pipe orifice, the elbow part is provided with a straight pipe section and an elbow section, and the straight pipe section is connected with the corrugated pipe part through the elbow section; the axis of the straight pipe section is coplanar with the axis of the straight pipe part and forms an included angle of 105 degrees and 125 degrees; according to the large electrical wave line connecting bent pipe, the angle with high matching degree, the length proportion design and the like are adopted, so that the bent pipe can better adapt to a part of internal pipelines of large household appliance models, contact friction with other parts can be avoided less when the bent pipe is connected into the large household appliance pipelines, bending and distortion caused by external force are reduced, the connecting effect is improved, and the service life is prolonged.

Description

Big electronic wave line connection return bend

Technical Field

The utility model belongs to the technical field of connecting pipelines, and particularly relates to a large corrugated connecting bent pipe.

Background

The large household appliances represented by white household appliances such as washing machines and dish washing machines have the advantages that water and air pipelines are required to be drained more or less in the internal pipelines of the large household appliances, the working pressure of the air pipelines is high, and fluid in the pipelines is easy to vibrate or generate noise when passing through.

The materials for the water and gas pipelines are various, and the production practice for many years shows that in the pipelines of the washing machine, pipes injection-molded by TPV or TPE materials have high production efficiency, good use effect, strong weather resistance and ageing resistance of finished pipe products and good fatigue resistance, and have better vibration reduction and noise reduction effects when used for corrugated pipes. In addition, as the arrangement of pipelines inside the washing machine tends to be more compact and miniaturized, and as the functions of the existing washing machine are more and more, the design of the pipelines becomes more and more complex, the pipelines sometimes need to be bent appropriately, and pipes made of TPV (thermoplastic elastomer) or TPE (thermoplastic elastomer) materials are sometimes difficult to adapt to large-scale bending or torsion; the optimal bending or torsion angle, the interface type, the corrugated segment length requirement and the like are different for different models and application scenes.

Therefore, there is a need for a corrugated connecting tube of TPV or TPE material with a reasonable bend or twist angle design and good support strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large household appliance corrugated connecting bent pipe which is good in space adaptability, appropriate in corrugated section length proportion and good in connecting sealing performance.

In order to solve the technical problem, the utility model discloses a large corrugated connecting bent pipe which comprises a corrugated pipe body, wherein the corrugated pipe body comprises a corrugated pipe part, a bent pipe part and a straight pipe part, the bent pipe part and the straight pipe part are respectively arranged on two sides of the corrugated pipe part, and the corrugated pipe part, the bent pipe part and the straight pipe part are communicated; the elbow part is provided with a first pipe orifice, the straight pipe part is provided with a second pipe orifice, the elbow part is provided with a straight pipe section and an elbow section, and the straight pipe section is connected with the corrugated pipe part through the elbow section; the axis of the straight pipe section is coplanar with the axis of the straight pipe part and forms an included angle of 105 degrees and 125 degrees.

Preferably, the straight tube section axis and the straight tube part axis form an included angle of 115 degrees.

Preferably, a positioning protrusion is arranged at the first nozzle.

Preferably, the positioning protrusion is provided on an end surface of the first nozzle.

Preferably, the straight tube portion has a length not greater than the straight tube length.

Preferably, the bellows portion includes a plurality of annular pleats connected in series, and the thickness of the outer edge of each annular pleat is not less than the thickness of the other portions of the bellows portion.

Preferably, the length of the bellows portion is not less than 2/3 the total length of the bent pipe portion and the straight pipe portion.

According to the large electrical wave line connecting bent pipe, the angle with high matching degree, the length proportion design and the like are adopted, so that the bent pipe can better adapt to a part of internal pipelines of large household appliance models, contact friction with other parts can be avoided less when the bent pipe is connected into the large household appliance pipelines, bending and distortion caused by external force are reduced, the connecting effect is improved, and the service life is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a large corrugated connecting elbow.

Figure 2 is a front view of the generally corrugated connecting elbow of figure 1.

The reference numbers in the figures are: 1-corrugated pipe part, 11-circular fold, 2-bent pipe part, 21-straight pipe section, 22-bent pipe section, 3-straight pipe part, 4-first pipe orifice, 5-second pipe orifice and 6-positioning projection.

Detailed Description

The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the utility model with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Examples

As shown in fig. 1-2, a large corrugated connecting elbow comprises a corrugated pipe body, wherein the corrugated pipe body comprises a corrugated pipe part 1, an elbow part 2 and a straight pipe part 3 which are respectively arranged at two sides of the corrugated pipe part, and the corrugated pipe part, the elbow part and the straight pipe part are communicated; the elbow part is provided with a first pipe orifice 4, the straight pipe part is provided with a second pipe orifice 5, the elbow part is provided with a straight pipe section 21 and an elbow section 22, and the straight pipe section is connected with the corrugated pipe part through the elbow section; the straight tube section axis and the straight tube part axis are coplanar and form an included angle of 115 degrees. TPV, TPE material injection moulding's pipe fitting ductility and elasticity are less, need avoid the distortion of buckling of pipeline in order to reduce the material fatigue when the design as far as possible, increase life, confirm the pipeline that corrugated connecting pipe will be connected and the position relation of part according to specific application environment, through the design of assorted angle, make the partly big household electrical appliances model of adaptation that it can be better, the distortion of buckling that receives external force that can be less when inserting big household electrical appliances pipeline, the atress is even, still can effectively reduce the contact and the friction with the inside other parts of big electric, reduce the long-term use local strength step-down that consequently leads to, the not enough scheduling problem of leakproofness.

And a positioning bulge 6 is arranged at the first pipe orifice. The locating projections are used for alignment fit with other components when installed.

The positioning bulge is arranged on the end surface of the first pipe orifice.

The length of the straight pipe part is not more than the length of the straight pipe part.

The corrugated pipe part comprises a plurality of sequentially connected annular folds 11, and the thickness of the outer edge of each annular fold is not less than the thickness of the wall of other parts of the corrugated pipe part. The outer edge of the circular fold is relatively concentrated by external forces such as bending and twisting, the outer edge of the circular fold is thickened, and the corrugated pipe can bear large bending and twisting besides the necessary shock absorption and noise reduction performance and durability are ensured.

The length of the corrugated pipe part is not less than 2/3 of the total length of the bent pipe part and the straight pipe part. So as to ensure that the corrugated pipe has sufficient shock absorption and noise reduction effects.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the utility model may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the utility model is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims

1. A large corrugated connection elbow is characterized by comprising a corrugated pipe body, wherein the corrugated pipe body comprises a corrugated pipe part, an elbow part and a straight pipe part which are respectively arranged on two sides of the corrugated pipe part, and the corrugated pipe part, the elbow part and the straight pipe part are communicated; the elbow part is provided with a first pipe orifice, the straight pipe part is provided with a second pipe orifice, the elbow part is provided with a straight pipe section and an elbow section, and the straight pipe section is connected with the corrugated pipe part through the elbow section; the axis of the straight pipe section is coplanar with the axis of the straight pipe part and forms an included angle of 105 degrees and 125 degrees.

2. A large corrugated connecting elbow as claimed in claim 1 wherein the straight tube section axis is at an angle of 115 degrees to the straight tube section axis.

3. A large corrugated connecting pipe as claimed in claim 1, wherein the first pipe orifice is provided with a locating projection.

4. A large corrugated connecting pipe as claimed in claim 3, wherein the locating projection is provided on the end face of the first pipe orifice.

5. A large corrugated connecting elbow as claimed in claim 1 wherein the length of the straight section is no greater than the length of the straight section.

6. A large corrugated connecting elbow pipe according to claim 1, wherein the corrugated pipe portion comprises a plurality of sequentially connected annular folds, and the thickness of the outer edge of each annular fold is not less than the thickness of the wall of other parts of the corrugated pipe portion.

7. A large corrugated connecting elbow as claimed in claim 1 wherein the length of the bellows section is not less than 2/3 the total length of the elbow and straight sections.