阅读说明：本技术 一种具备保温降噪功能的伸缩排风装置 (Flexible exhaust device that possesses function of making an uproar of falling keeps warm ) 是由 李志华 于 2021-09-30 设计创作，主要内容包括：本发明涉及机械领域,具体涉及排风装置。一种具备保温降噪功能的伸缩排风装置,包括排风管本体,排风管本体包括至少三个伸缩关节；伸缩关节包括支撑环,以及设置在支撑环上的第一外层转动悬臂、第二外层转动悬臂、第一内层转动悬臂与第二内层转动悬臂。本发明通过此设计,提供了一种具备保温降噪功能的伸缩排风装置,排风管由多个伸缩关节依次排列形成完整的环形管道,多个伸缩关节连接而成的管壁内形成用于存储空气的空腔,利用空腔内的空气形成保温层,保证了管道的伸缩性能,降低了管道的塑料用量与成本,提高了通风管道的保温性能；同时,管壁内形成的空腔结构,也可以降低管道内的噪音传递,提升了管道的隔音效果。(The invention relates to the field of machinery, in particular to an exhaust device. A telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body, wherein the exhaust pipe body comprises at least three telescopic joints; the telescopic joint comprises a support ring, and a first outer layer rotating cantilever, a second outer layer rotating cantilever, a first inner layer rotating cantilever and a second inner layer rotating cantilever which are arranged on the support ring. According to the design, the invention provides the telescopic exhaust device with the heat preservation and noise reduction functions, the exhaust pipe is formed into a complete annular pipeline by sequentially arranging a plurality of telescopic joints, a cavity for storing air is formed in the pipe wall formed by connecting the plurality of telescopic joints, and an insulating layer is formed by utilizing the air in the cavity, so that the telescopic performance of the pipeline is ensured, the plastic consumption and cost of the pipeline are reduced, and the heat preservation performance of the ventilation pipeline is improved; simultaneously, the cavity structure that forms in the pipe wall also can reduce the noise transmission in the pipeline, has promoted the syllable-dividing effect of pipeline.)

1. A telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body and is characterized in that the exhaust pipe body comprises at least three annular telescopic joints, and the at least three telescopic joints are sequentially connected;

the telescopic joint comprises an annular support ring, a flaky first outer layer rotating cantilever, a flaky second outer layer rotating cantilever, a flaky first inner layer rotating cantilever and a flaky second inner layer rotating cantilever, wherein the first outer layer rotating cantilever and the second outer layer rotating cantilever are arranged on the outer side part of the support ring, and the first inner layer rotating cantilever and the second inner layer rotating cantilever are arranged on the inner side part of the support ring;

the first outer layer rotating cantilever and the second outer layer rotating cantilever are respectively arranged at two sides of the outer side part of the support ring, and the second outer layer rotating cantilever in each telescopic joint is connected with the first outer layer rotating cantilever in the next adjacent telescopic joint;

the first inner layer rotating cantilever and the second inner layer rotating cantilever are respectively arranged on two sides of the inner side part of the support ring, and the second inner layer rotating cantilever in each telescopic joint is connected with the first inner layer rotating cantilever in the next adjacent telescopic joint.

2. The retractable ventilation device with heat preservation and noise reduction functions as claimed in claim 1, wherein the cross section of the support ring is one of circular, rectangular and oval.

3. The retractable air exhausting device with heat preservation and noise reduction functions as claimed in claim 1, wherein the retractable joint is provided with air holes, the air holes comprise first through holes, and the first through holes are arranged on the second outer layer rotating cantilever.

4. The retractable air exhausting device with heat preservation and noise reduction functions as claimed in claim 3, wherein the air vent comprises a second through hole, and the second through hole is arranged on the support ring.

5. The retractable air exhausting device with heat preservation and noise reduction functions as claimed in claim 3, wherein the retractable joint further comprises a first sheet-shaped spaced rotating cantilever and a second sheet-shaped spaced rotating cantilever, and the first spaced rotating cantilever and the second spaced rotating cantilever are respectively arranged at two sides of the middle part of the support ring.

6. The retractable air exhausting device with heat preservation and noise reduction functions as claimed in claim 5, wherein the second spaced rotary cantilever of each support ring is connected to the first spaced rotary cantilever of the next adjacent support ring, and the second spaced rotary cantilever is provided with a third through hole.

7. The retractable air exhausting device with heat preservation and noise reduction functions as claimed in claim 6, wherein the third through holes are staggered with the first through holes.

8. The retractable exhaust device with heat preservation and noise reduction functions as claimed in claim 1, wherein the support ring, the first outer layer rotating cantilever, the second outer layer rotating cantilever, the first inner layer rotating cantilever and the second inner layer rotating cantilever are all made of PVC.

9. A telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body and is characterized in that the exhaust pipe body comprises at least three annular telescopic joints, the at least three telescopic joints are sequentially connected, and air holes are formed in the telescopic joints;

the telescopic joint comprises a first outer layer rotating cantilever in a sheet shape, a second outer layer rotating cantilever in a sheet shape, a first inner layer rotating cantilever in a sheet shape and a second inner layer rotating cantilever in a sheet shape, and the first outer layer rotating cantilever, the second outer layer rotating cantilever, the first inner layer rotating cantilever and the second inner layer rotating cantilever are all obliquely arranged;

the upper side part of the first outer layer rotating cantilever is connected with the upper side part of the second outer layer rotating cantilever, the lower side part of the first outer layer rotating cantilever is connected with the upper side part of the first inner layer rotating cantilever, the lower side part of the second outer layer rotating cantilever is connected with the upper side part of the second inner layer rotating cantilever, and the lower side part of the first inner layer rotating cantilever is connected with the lower side part of the second inner layer rotating cantilever;

the joint of the first outer layer rotating cantilever and the first inner layer rotating cantilever is used as a first joint, and the joint of the second outer layer rotating cantilever and the second inner layer rotating cantilever is used as a second joint;

the second joint in each expansion joint is connected with the first joint in the next adjacent expansion joint.

10. The retractable air exhausting device with heat preservation and noise reduction functions as claimed in claim 9, wherein a connecting piece is provided between two adjacent retractable joints, one side portion of the connecting piece is connected to the second connection portion in the previous one of the two adjacent retractable joints, and the other side portion of the connecting piece is connected to the first connection portion in the next one of the two adjacent retractable joints.

Technical Field

The invention relates to the field of machinery, in particular to an air exhaust device.

Background

At present, the exhaust pipe and the ventilation pipeline are mainly made of PP, PU, PVC, TPE, nylon cloth and other materials, and are mainly used for common exhaust, ventilation, smoke dust exhaust, powder exhaust, wood dust exhaust and the like; the exhaust pipe with a retractable structure on the market is of a single-layer structure, the pipe wall is generally made of plastic materials and lined with hard materials such as steel wires and the like to be used as a support, and the exhaust pipe is commonly applied to the exhaust pipe of a mobile air conditioner.

However, such an exhaust pipe with a stretchable structure does not have a better heat preservation effect, and especially in some usage environments requiring a heat preservation function, the exhaust pipe often cannot have a better usage effect, for example: the heat insulation effect of the exhaust pipe of the mobile air conditioner, the air supply pipeline of the central air conditioner and the like is related to the heat conductivity coefficient of the pipe wall material and the wall thickness of the pipe wall, the lower the heat conductivity coefficient, the better the heat insulation effect, and the thicker the wall thickness, the better the heat insulation effect; in general, the existing exhaust duct is made of PP with a thermal conductivity of 0.21W/mK-0.26W/mK, PVC with a thermal conductivity of 0.14W/mK-0.17W/mK, or PU with a thermal conductivity of about 0.25W/mK, etc., and the duct wall is a single-layer structure and has a thinner wall thickness, for example: the wall thickness of an exhaust pipe of the mobile air conditioner is about 0.5mm, so the heat preservation effect is poor; when the temperature difference between the fluid temperature in the pipeline and the environment temperature outside the pipeline is large, the fluid in the pipeline and the environment outside the pipeline have obvious heat exchange, so that the energy-saving effect is poor, and the use effect of the equipment is reduced.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide a telescopic exhaust device with heat preservation and noise reduction functions, so as to solve at least one technical problem.

In order to achieve the purpose, the invention adopts the following technical scheme:

a telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body and is characterized in that the exhaust pipe body comprises at least three annular telescopic joints, and the at least three telescopic joints are sequentially connected;

the telescopic joint comprises an annular support ring, a flaky first outer layer rotating cantilever, a flaky second outer layer rotating cantilever, a flaky first inner layer rotating cantilever and a flaky second inner layer rotating cantilever, wherein the first outer layer rotating cantilever and the second outer layer rotating cantilever are arranged on the outer side part of the support ring, and the first inner layer rotating cantilever and the second inner layer rotating cantilever are arranged on the inner side part of the support ring;

the first outer layer rotating cantilever and the second outer layer rotating cantilever are respectively arranged at two sides of the outer side part of the support ring, and the second outer layer rotating cantilever in each telescopic joint is connected with the first outer layer rotating cantilever in the next adjacent telescopic joint;

the first inner layer rotating cantilever and the second inner layer rotating cantilever are respectively arranged on two sides of the inner side part of the support ring, and the second inner layer rotating cantilever in each telescopic joint is connected with the first inner layer rotating cantilever in the next adjacent telescopic joint.

The cross section of the support ring is in one of circular, rectangular, oval and other annular structures.

The telescopic joint is provided with an air hole, the air hole comprises a first through hole, and the first through hole is arranged on the second outer layer rotating cantilever.

The air holes comprise second through holes, and the second through holes are formed in the support ring.

The telescopic joint further comprises a first flaky interval rotating cantilever and a second flaky interval rotating cantilever, wherein the first interval rotating cantilever and the second interval rotating cantilever are respectively arranged on two sides of the middle part of the support ring. And the second interval rotating cantilever on each support ring is connected with the first interval rotating cantilever on the next adjacent support ring, and the second interval rotating cantilever is provided with a third through hole. The third through holes and the first through holes are arranged in a staggered mode.

The support ring first outer cantilever that rotates, the cantilever is rotated to the second outer cantilever that rotates first inlayer rotate the cantilever with the cantilever is rotated to the second inlayer all adopts the PVC material to make.

A telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body and is characterized in that the exhaust pipe body comprises at least three annular telescopic joints, the at least three telescopic joints are sequentially connected, and air holes are formed in the telescopic joints;

the telescopic joint comprises a first outer layer rotating cantilever in a sheet shape, a second outer layer rotating cantilever in a sheet shape, a first inner layer rotating cantilever in a sheet shape and a second inner layer rotating cantilever in a sheet shape, and the first outer layer rotating cantilever, the second outer layer rotating cantilever, the first inner layer rotating cantilever and the second inner layer rotating cantilever are all obliquely arranged;

the upper side part of the first outer layer rotating cantilever is connected with the upper side part of the second outer layer rotating cantilever, the lower side part of the first outer layer rotating cantilever is connected with the upper side part of the first inner layer rotating cantilever, the lower side part of the second outer layer rotating cantilever is connected with the upper side part of the second inner layer rotating cantilever, and the lower side part of the first inner layer rotating cantilever is connected with the lower side part of the second inner layer rotating cantilever;

the joint of the first outer layer rotating cantilever and the first inner layer rotating cantilever is used as a first joint, and the joint of the second outer layer rotating cantilever and the second inner layer rotating cantilever is used as a second joint;

the second joint in each expansion joint is connected with the first joint in the next adjacent expansion joint.

A connecting piece is arranged between every two adjacent telescopic joints, one side portion of the connecting piece is connected with a second connecting portion in the last telescopic joint of the two adjacent telescopic joints, and the other side portion of the connecting piece is connected with a first connecting portion in the next telescopic joint of the two adjacent telescopic joints.

Through the design, the invention provides the telescopic exhaust device with the heat preservation and noise reduction functions, the exhaust pipe is formed into a complete annular pipeline by sequentially arranging a plurality of telescopic joints, a cavity for storing air is formed in the pipe wall formed by connecting the plurality of telescopic joints, and an insulating layer is formed by utilizing the air in the cavity, so that the telescopic performance of the pipeline is ensured, the plastic consumption and the cost of the pipeline are reduced, and the insulating performance of the ventilation pipeline is effectively improved; simultaneously, the cavity structure that forms in the pipe wall also can reduce the noise transmission in the pipeline, has promoted the syllable-dividing effect of pipeline.

Drawings

FIG. 1 is a schematic view of a portion of the structure of the present invention;

FIG. 2 is a first partial sectional view of the exhaust duct body according to the present invention;

FIG. 3 is a second schematic sectional view of a portion of the exhaust duct body according to the present invention;

FIG. 4 is a schematic cross-sectional view of a portion of the structure at the expansion joint of the present invention;

FIG. 5 is a partial schematic view of the construction of the vent of the present invention;

FIG. 6 is a schematic cross-sectional view of a portion of the structure at the spacing structure of the present invention;

FIG. 7 is a schematic cross-sectional view III of a portion of the present invention;

fig. 8 is a cross-sectional view of a portion of the structure of the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 6, a telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body 1, wherein the exhaust pipe body 1 comprises at least three annular telescopic joints, and the at least three telescopic joints are sequentially connected; the telescopic joint comprises an annular support ring 2, a flaky first outer layer rotating cantilever 3, a flaky second outer layer rotating cantilever 4, a flaky first inner layer rotating cantilever 5 and a flaky second inner layer rotating cantilever 6, wherein the first outer layer rotating cantilever 3 and the second outer layer rotating cantilever 4 are arranged on the outer side part of the support ring 2, and the first inner layer rotating cantilever 5 and the second inner layer rotating cantilever 6 are arranged on the inner side part of the support ring 2; the first outer layer rotating cantilever 3 and the second outer layer rotating cantilever 4 are respectively arranged at two sides of the outer side part of the support ring 2, and the second outer layer rotating cantilever 4 in each telescopic joint is connected with the first outer layer rotating cantilever 3 in the next adjacent telescopic joint; the first inner layer rotating cantilever 5 and the second inner layer rotating cantilever 6 are respectively arranged at two sides of the inner side part of the support ring 2, and the second inner layer rotating cantilever 6 in each telescopic joint is connected with the first inner layer rotating cantilever 5 in the next adjacent telescopic joint. Through the design, the invention provides the telescopic exhaust device with the heat preservation and noise reduction functions, the exhaust pipe is formed into a complete annular pipeline by sequentially arranging a plurality of telescopic joints, a cavity for storing air is formed in the pipe wall formed by connecting the plurality of telescopic joints, and an insulating layer is formed by utilizing the air in the cavity, so that the telescopic performance of the pipeline is ensured, the plastic consumption and the cost of the pipeline are reduced, and the insulating performance of the ventilation pipeline is effectively improved; simultaneously, the cavity structure that forms in the pipe wall also can reduce the noise transmission in the pipeline, has promoted the syllable-dividing effect of pipeline.

In the design, as shown in fig. 1 to 4, a plurality of telescopic joints are sequentially arranged to form a telescopic pipeline, wherein a first outer layer rotating cantilever 3 and a second outer layer rotating cantilever 4 can respectively rotate around the outer side part of a support ring 2, a first inner layer rotating cantilever 5 and a second inner layer rotating cantilever 6 can respectively rotate around the inner side part of the support ring 2, the second outer layer rotating cantilever 4 in each telescopic joint can relatively rotate with the first outer layer rotating cantilever 3 in the next adjacent telescopic joint, the second inner layer rotating cantilever 6 in each telescopic joint can relatively rotate with the first inner layer rotating cantilever 5 in the next adjacent telescopic joint, and the telescopic performance of the pipeline is effectively ensured; this pipeline possesses double-deck pipe wall, first outer cantilever 3 and the outer pipe wall of 4 formation of second outer cantilever of rotating of cantilever 3, first inlayer rotates cantilever 5 and the 6 formation inlayer pipe walls of second inlayer rotation cantilever, form the cavity that is used for the storage air in the pipe wall that a plurality of telescopic joint connected formed, the cavity that is full of the air forms the heat preservation, be provided with support ring 2 between outer pipe wall and the inlayer pipe wall, support ring 2 not only forms the supporting effect to the pipe wall, and be the multistage with the cavity wall, and simultaneously, can set up the height of support ring 2 in the telescopic joint according to the demand, and then be used for the cavity thickness of storage air in the adjustment pipe wall, further improve the heat preservation effect.

In order to facilitate the exhaust duct to be suitable for different scenes, the cross section of the support ring 2 is in one of circular, rectangular, oval and other annular structures.

As shown in figure 5, the telescopic joint is provided with air holes, the air holes comprise first through holes 7, and the first through holes 7 are arranged on the second outer layer rotating cantilever 4. Alternatively, the first through hole 7 is provided in the first outer rotating cantilever 3. The first through hole is used for realizing air suction or air exhaust so as to facilitate the stretching or compression of the pipeline. The air holes comprise second through holes 8, and the second through holes 8 are formed in the support ring 2. The second through hole 8 that sets up on support ring 2 to make things convenient for the part shaping, prevent that the inside and outside pipe wall of pipe wall from leading to support ring 2 long-pending material problem because of the diameter difference, simultaneously, second through hole 8 can make each flexible unit air circulation of inlayer, the outer formation of pipe wall easily, the compression and the tensile of the exhaust pipe of being convenient for. The second through hole 8 can be matched with the first through hole 7 for use, so that the compression and the stretching of the exhaust pipe are further facilitated. The air holes have small influence on heat exchange between the heat-insulating layer and the external environment due to small area, so that the heat-insulating performance of the pipeline is effectively guaranteed; a plurality of expansion joints link to each other in proper order and form the exhaust pipe, in actual production process, can be the heliciform with the support ring setting in a plurality of expansion joints and connect gradually, rotate cantilever, the outer cantilever that rotates of second, first inlayer rotation cantilever, the inner cantilever suppression of second inlayer rotation and fix the inside and outside both sides to the support ring through production facility, and then form outer pipe wall and inlayer pipe wall, the tensile or the compression of the pipeline of being convenient for.

As shown in fig. 6, the telescopic joint further includes a first spacer rotating cantilever 9 in a sheet shape, and a second spacer rotating cantilever 10 in a sheet shape, and the first spacer rotating cantilever 9 and the second spacer rotating cantilever 10 are respectively disposed at two sides of the middle portion of the support ring 2. The second spaced rotary cantilever 10 on each support ring 2 is connected to the first spaced rotary cantilever 9 on the next adjacent support ring 2, and the second spaced rotary cantilever 10 is provided with a third through hole. The third through holes and the first through holes are arranged in a staggered mode. Or, a third through hole is arranged on the first interval rotating cantilever 9. The first interval rotating cantilever 9 and the second interval rotating cantilever 10 form an interval structure, the interval structure further increases the heat preservation and noise reduction effects, and the added first interval rotating cantilever 9 and the second interval rotating cantilever 10 can be connected with each other or disconnected. On the premise of ensuring the telescopic property, the first spacing rotating cantilever 9 and the second spacing rotating cantilever 10 can be made of thin soft materials.

Support ring 2, first outer cantilever 3, the outer cantilever 4 that rotates of second, the first inlayer cantilever 5 that rotates all adopt the PVC material to make with the second inlayer cantilever 6. The thicknesses of the first outer layer rotating cantilever 3, the second outer layer rotating cantilever 4, the first inner layer rotating cantilever 5 and the second inner layer rotating cantilever 6 are all between 0.3mm and 1.5 mm. The heat conductivity coefficient of the PVC material is 0.14W/mK-0.17W/mK, the cavity between the outer layer pipe wall and the inner layer pipe wall is mainly filled with air, the heat conductivity coefficient of the air is 0.01W/mK-0.04W/mK, and the heat insulation performance of the pipeline is effectively ensured.

As shown in fig. 7 to 8, a telescopic exhaust device with heat preservation and noise reduction functions comprises an exhaust pipe body 1, wherein the exhaust pipe body 1 comprises at least three annular telescopic joints, the at least three telescopic joints are sequentially connected, and air holes are formed in the telescopic joints; the telescopic joint comprises a first outer layer rotating cantilever 3 in a sheet shape, a second outer layer rotating cantilever 4 in a sheet shape, a first inner layer rotating cantilever 5 in a sheet shape and a second inner layer rotating cantilever 6 in a sheet shape, wherein the first outer layer rotating cantilever 3, the second outer layer rotating cantilever 4, the first inner layer rotating cantilever 5 and the second inner layer rotating cantilever 6 are all obliquely arranged; the upper side part of the first outer layer rotating cantilever 3 is connected with the upper side part of the second outer layer rotating cantilever 4, the lower side part of the first outer layer rotating cantilever 3 is connected with the upper side part of the first inner layer rotating cantilever 5, the lower side part of the second outer layer rotating cantilever 4 is connected with the upper side part of the second inner layer rotating cantilever 6, and the lower side part of the first inner layer rotating cantilever 5 is connected with the lower side part of the second inner layer rotating cantilever 6; the joint of the first outer layer rotating cantilever 3 and the first inner layer rotating cantilever 5 is used as a first joint, and the joint of the second outer layer rotating cantilever 4 and the second inner layer rotating cantilever 6 is used as a second joint; the second joint in each expansion joint is connected with the first joint in the next adjacent expansion joint. In the scheme, the exhaust pipe is a complete annular pipeline formed by sequentially arranging a plurality of telescopic joints, a cavity for storing air is arranged in the telescopic joint formed by the first outer layer rotating cantilever 3, the second outer layer rotating cantilever 4, the first inner layer rotating cantilever 5 and the second inner layer rotating cantilever 6, and an insulating layer is formed by utilizing the air in the cavity, so that the telescopic performance of the pipeline is ensured, the plastic consumption and the cost of the pipeline are reduced, and the insulating performance of the ventilation pipeline is effectively improved; simultaneously, the cavity structure that forms in the pipe wall also can reduce the noise transmission in the pipeline, has promoted the syllable-dividing effect of pipeline.

In this design, as shown in fig. 7, a plurality of telescopic joints are sequentially arranged to form a telescopic pipeline, wherein the first outer layer rotating cantilever 3 and the second outer layer rotating cantilever 4 can rotate relatively, the first outer layer rotating cantilever 3 and the first inner layer rotating cantilever 5 can rotate relatively, the first inner layer rotating cantilever 5 and the second inner layer rotating cantilever 6 can rotate relatively, and the second inner layer rotating cantilever 6 and the second outer layer rotating cantilever 4 can rotate relatively, so that the telescopic performance of the pipeline is effectively ensured; this pipeline possesses double-deck pipe wall, first outer cantilever 3 and the outer pipe wall of 4 formation of second outer cantilever of rotating of cantilever 3, first inlayer rotates cantilever 5 and the formation inlayer pipe wall of second inlayer cantilever 6, first outer cantilever 3 that rotates, the cantilever 4 is rotated to the second outer, first inlayer rotates cantilever 5 and sets up the cavity that is used for storing the air with the telescopic joint that second inlayer cantilever 6 formed, when the pipeline is tensile or compressed, breathe in or exhaust through the bleeder vent on the telescopic joint, the cavity that is full of the air forms the heat preservation, the bleeder vent is less because the area is less to the heat exchange influence of heat preservation and external environment, the thermal insulation performance of pipeline has effectively been ensured.

As shown in fig. 8, in order to ensure the connection strength between two adjacent expansion joints, a connecting piece 11 is arranged between two adjacent expansion joints, one side part of the connecting piece 11 is connected with the second connection part in the previous expansion joint of two adjacent expansion joints, and the other side part of the connecting piece 11 is connected with the first connection part in the next expansion joint of two adjacent expansion joints. Two adjacent telescopic joints are connected through a connecting sheet 11, so that the condition that the connecting position of the two adjacent telescopic joints is weak to cause pipeline breakage is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.