CN109882665B - Linear section bar winding type ventilation pipe - Google Patents
Linear section bar winding type ventilation pipe Download PDFInfo
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- CN109882665B CN109882665B CN201910242695.7A CN201910242695A CN109882665B CN 109882665 B CN109882665 B CN 109882665B CN 201910242695 A CN201910242695 A CN 201910242695A CN 109882665 B CN109882665 B CN 109882665B
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- pipe body
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Abstract
The invention relates to a ventilation pipe, in particular to a linear section winding type ventilation pipe, and belongs to the technical field of movable industrial air conditioners. The telescopic pipe comprises a telescopic pipe body and pipe joints connected to two ends of the telescopic pipe body, wherein the head pipe body of the rear pipe body of the two adjacent pipe body parts stretches into the mounting cavity of the tail pipe body of the front pipe body part, the inner head biting teeth of the head pipe body are in biting connection with the inner tail ring biting teeth of the tail pipe body, and the outer head biting teeth of the head pipe body are in biting connection with the outer tail ring biting teeth of the tail pipe body. The invention has simple, compact and reasonable structure, realizes telescopic connection between the branch pipe bodies through the meshing teeth, avoids front and back falling off through the positioning teeth, can play good positioning, orientation and ventilation effects in use, and has simple and convenient molding and lower cost.
Description
Technical Field
The invention relates to a ventilation pipe, in particular to a linear section winding type ventilation pipe, and belongs to the technical field of movable industrial air conditioners.
Background
In the prior art, a corrugated pipe with molded sizing is used as an exhaust pipe for home appliances, medical treatment, industrial and mining equipment and the like. The corrugated pipe has soft property, can not be positioned and oriented, has poor manufacturability, high cost and difficult forming and connection during use or manufacture, and is difficult to bend and deflect in the air outlet direction due to self positioning particularly on mobile industrial air conditioner equipment, thereby bringing inconvenience in use.
Disclosure of Invention
The invention aims to overcome the defects, thereby providing the linear section winding type ventilation pipe which can achieve good positioning, orientation and ventilation effects in use, and has the advantages of simple and convenient molding and lower cost.
According to the technical scheme provided by the invention, the linear section winding type ventilation pipe comprises a telescopic pipe body and pipe joints connected to two ends of the telescopic pipe body, and is characterized in that: the telescopic pipe body comprises a plurality of sub-pipe bodies which are sequentially connected end to end into a whole; the split pipe body comprises a head pipe body and a tail pipe body which are connected into a whole from front to back, the outer surface of the head pipe body is provided with a plurality of head external engaging teeth with annular structures, and the inner surface of the head pipe body is provided with a plurality of head internal engaging teeth with annular structures; the tail pipe body is axially provided with a mounting cavity, the surface of the outer ring in the mounting cavity is provided with a plurality of tail outer ring engaging teeth with annular structures, and the surface of the inner ring in the mounting cavity is provided with a plurality of tail inner ring engaging teeth with annular structures; the head pipe body of the latter pipe body of two adjacent pipe body of branch of the flexible pipe body stretches into the installation cavity of the afterbody pipe body of former pipe body of branch, and the inside-head interlock tooth of head pipe body and the afterbody inner circle interlock tooth of afterbody pipe body interlock and connect, and the outside-head interlock tooth of head pipe body and the outside-tail circle interlock tooth of afterbody pipe body interlock and connect can disengage the interlock position under certain axial force between head pipe body and the afterbody pipe body, take place relative axial displacement between head pipe body and the afterbody pipe body.
Further, the outer surface of the head pipe body is provided with head outer positioning teeth of an annular structure, the inner surface of the head pipe body is provided with head inner positioning teeth of an annular structure, the rear end faces of the head outer positioning teeth and the head inner positioning teeth are positioning end faces of a flat structure, the outer ring surface of the mounting cavity opening end of the tail pipe body is provided with tail outer ring positioning teeth, the inner ring surface of the mounting cavity opening end of the tail pipe body is provided with tail inner ring positioning teeth, the tail outer ring positioning teeth and the tail inner ring positioning teeth are tail positioning end faces of the flat structure, the positioning end faces of the tail outer ring positioning teeth and the tail positioning end faces of the head outer positioning teeth can resist stretching between two adjacent pipe bodies, and the positioning end faces of the tail inner ring positioning teeth and the tail positioning end faces of the head inner positioning teeth can resist stretching between two adjacent pipe bodies.
Further, the rear end surfaces of the outer positioning teeth of the head and the inner positioning teeth of the head are sliding end surfaces of conical structures.
Further, the front end face of the head pipe body is provided with a head front positioning tooth with an annular structure, the bottom of the installation cavity of the tail pipe body is provided with a positioning cavity, and the head front positioning tooth and the positioning cavity at the bottom of the installation cavity can resist compression between two adjacent branch pipe bodies in a propping way.
Further, the plurality of head external teeth are uniformly distributed along the length direction.
Further, the plurality of head internal teeth are uniformly distributed along the length direction.
Further, the plurality of tail outer race biting teeth are evenly distributed along the length direction.
Further, the plurality of tail inner ring biting teeth are uniformly distributed along the length direction.
Compared with the prior art, the invention has the following advantages:
the invention has simple, compact and reasonable structure, realizes telescopic connection between the branch pipe bodies through the meshing teeth, avoids front and back falling off through the positioning teeth, can play good positioning, orientation and ventilation effects in use, and has simple and convenient molding and lower cost.
Drawings
Fig. 1 is a practical application diagram of the present invention.
Figure 2 is a semi-sectional view of the telescoping tube body.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a half cross-sectional view of a split pipe body.
Fig. 5 is a diagram showing the structure of the connection between the split bodies when the telescopic body is compressed to the minimum position.
Fig. 6 is a structure diagram showing connection between the split pipe bodies when the telescopic pipe body is stretched to the maximum position.
Reference numerals illustrate: the device comprises a 1-pipe joint, a 2-telescopic pipe body, a 3-split pipe body, a 4-head pipe body, a 5-tail pipe body, 6-head external engagement teeth, 7-head internal engagement teeth, 8-head external positioning teeth, 9-head internal positioning teeth, 10-head front positioning teeth, 11-tail external engagement teeth, 12-tail internal engagement teeth, 13-tail external positioning teeth, 14-positioning cavities, 15-mounting cavities, 16-sliding end faces, 17-positioning end faces, 18-tail internal positioning teeth and 19-tail positioning end faces.
Detailed Description
The invention will be further described with reference to examples of embodiments in the accompanying drawings, in which:
as shown in fig. 1 to 4, the telescopic pipe mainly comprises a telescopic pipe body 2 capable of axially stretching and contracting and pipe joints 1 connected to two ends of the telescopic pipe body 2.
The telescopic pipe body 2 comprises a plurality of sub-pipe bodies 3, the sub-pipe bodies 3 are sequentially connected into a whole end to end, and the distance between every two sub-pipe bodies 3 can be axially adjusted.
As shown in fig. 3, the split pipe body 3 includes a head pipe body 4 and a tail pipe body 5 which are integrally connected in a front-back manner, and a plurality of head external engaging teeth 6 with annular structures are arranged on the outer surface of the head pipe body 4, and the plurality of head external engaging teeth 6 are uniformly distributed along the length direction. The inner surface of the head pipe body 4 is provided with a plurality of head inner engaging teeth 7 with annular structures, and the plurality of head inner engaging teeth 7 are uniformly distributed along the length direction.
The tail pipe body 5 is axially provided with an installation cavity 15, the surface of the outer ring in the installation cavity 15 is provided with a plurality of tail outer ring engaging teeth 11 with annular structures, and the plurality of tail outer ring engaging teeth 11 are uniformly distributed along the length direction. The inner ring surface of the installation cavity 15 is provided with a plurality of tail inner ring engaging teeth 12 with annular structures, and the plurality of tail inner ring engaging teeth 12 are uniformly distributed along the length direction.
The head pipe body 4 of the rear pipe body 3 of the adjacent two pipe body 3 of the telescopic pipe body 2 stretches into the installation cavity 15 of the tail pipe body 5 of the front pipe body 3, the inner head biting tooth 7 of the head pipe body 4 is in biting connection with the inner tail ring biting tooth 12 of the tail pipe body 5, the outer head biting tooth 6 of the head pipe body 4 is in biting connection with the outer tail ring biting tooth 11 of the tail pipe body 5, when the telescopic pipe is used, the biting teeth between the head pipe body 4 and the tail pipe body 5 can be separated from the biting positions under the action of certain axial force, and relative axial movement occurs between the head pipe body 4 and the tail pipe body 5, so that the adjustment of the interval between the adjacent two pipe body 3 of the telescopic pipe body 2 is met.
In order to ensure that the adjacent two sub-pipe bodies 3 do not fall off when the telescopic pipe body 2 stretches. The outer surface of the head pipe body 4 is provided with head outer positioning teeth 8 with annular structures, the inner surface of the head pipe body 4 is provided with head inner positioning teeth 9 with annular structures, and the front end surface of the head pipe body 4 is provided with head front positioning teeth 10 with annular structures.
The front end face and the rear end face of the head outer positioning tooth 8 and the head inner positioning tooth 9 are respectively a sliding end face 16 with a conical structure and a positioning end face 17 with a flat structure.
The surface of the outer ring of the opening end of the installation cavity 15 of the tail pipe body 5 is provided with tail outer ring positioning teeth 13, the surface of the inner ring of the opening end of the installation cavity 15 of the tail pipe body 5 is provided with tail inner ring positioning teeth 18, and the bottom of the installation cavity 15 of the tail pipe body 5 is provided with a positioning cavity 14.
The tail outer ring positioning teeth 13 and the tail inner ring positioning teeth 18 are tail positioning end surfaces 19 with straight structures,
as shown in fig. 6, when two adjacent sub-pipes 3 are stretched to the maximum position, the positioning end surface 17 of the outer-tail positioning tooth 13 and the tail positioning end surface 19 of the outer-head positioning tooth 8 can block stretching between two adjacent sub-pipes 3 in a propping manner, and the positioning end surface 17 of the inner-tail positioning tooth 18 and the tail positioning end surface 19 of the inner-head positioning tooth 9 can block stretching between two adjacent sub-pipes 3 in a propping manner.
As shown in fig. 5, when two adjacent sub-tubes 3 are compressed to the minimum position, the head front positioning teeth 10 and the positioning cavity 14 at the bottom of the mounting cavity 15 can block compression between the two adjacent sub-tubes 3 against each other.
The invention has simple, compact and reasonable structure, realizes telescopic connection between the branch pipe bodies through the meshing teeth, avoids front and back falling off through the positioning teeth, can play good positioning, orientation and ventilation effects in use, and has simple and convenient molding and lower cost.
Claims (6)
1. A linear section bar winding type ventilation pipe comprises a telescopic pipe body (2) and pipe joints (1) connected to two ends of the telescopic pipe body (2), and is characterized in that: the telescopic pipe body (2) comprises a plurality of sub-pipe bodies (3), and the sub-pipe bodies (3) are sequentially connected into a whole in an end-to-end mode; the split pipe body (3) comprises a head pipe body (4) and a tail pipe body (5) which are connected into a whole from front to back, a plurality of head external engaging teeth (6) with annular structures are arranged on the outer surface of the head pipe body (4), and a plurality of head internal engaging teeth (7) with annular structures are arranged on the inner surface of the head pipe body (4); a mounting cavity (15) is formed in the tail pipe body (5) along the axial direction of the pipe body, a plurality of tail outer ring engaging teeth (11) with annular structures are formed on the outer ring surface in the mounting cavity (15), and a plurality of tail inner ring engaging teeth (12) with annular structures are formed on the inner ring surface in the mounting cavity (15); the head pipe body (4) of the rear pipe body (3) of the two adjacent pipe body (3) of the telescopic pipe body (2) stretches into the installation cavity (15) of the tail pipe body (5) of the front pipe body (3), the inner head biting teeth (7) of the head pipe body (4) are in biting connection with the inner tail ring biting teeth (12) of the tail pipe body (5), the outer head biting teeth (6) of the head pipe body (4) are in biting connection with the outer tail ring biting teeth (11) of the tail pipe body (5), the head pipe body (4) and the tail pipe body (5) can be separated from the biting position under the action of certain axial force, and relative axial movement occurs between the head pipe body (4) and the tail pipe body (5);
the outer surface of the head pipe body (4) is provided with a head outer positioning tooth (8) with an annular structure, the inner surface of the head pipe body (4) is provided with a head inner positioning tooth (9) with an annular structure, the rear end surfaces of the head outer positioning tooth (8) and the head inner positioning tooth (9) are positioning end surfaces (17) with a flat structure, the outer ring surface of the opening end of a mounting cavity (15) of the tail pipe body (5) is provided with a tail outer ring positioning tooth (13), the inner ring surface of the opening end of the mounting cavity (15) of the tail pipe body (5) is provided with a tail inner ring positioning tooth (18), the tail outer ring positioning tooth (13) and the tail inner ring positioning tooth (18) are tail positioning end surfaces (19) with a flat structure, the positioning end surfaces (17) of the tail outer ring positioning tooth (13) and the tail positioning end surfaces (19) of the head outer positioning tooth (8) can be propped against to block the stretching between two adjacent pipe body parts (3), and the positioning end surfaces (17) of the tail inner ring positioning tooth (18) and the tail positioning end surfaces (19) of the head inner positioning tooth (9) can be propped against the stretching between the two adjacent pipe body parts (3);
the head pipe body (4) front end face is provided with a head front positioning tooth (10) with an annular structure, the bottom of a mounting cavity (15) of the tail pipe body (5) is provided with a positioning cavity (14), and the head front positioning tooth (10) and the positioning cavity (14) at the bottom of the mounting cavity (15) can resist compression between two adjacent sub-pipes (3) in a propping mode.
2. A linear profile wrapped ventilation tube as claimed in claim 1, wherein: the rear end surfaces of the head external positioning teeth (8) and the head internal positioning teeth (9) are sliding end surfaces (16) with conical structures.
3. A linear profile wrapped ventilation tube as claimed in claim 1, wherein: the plurality of head external occlusal teeth (6) are uniformly distributed along the length direction.
4. A linear profile wrapped ventilation tube as claimed in claim 1, wherein: the plurality of head inner engagement teeth (7) are uniformly distributed along the length direction.
5. A linear profile wrapped ventilation tube as claimed in claim 1, wherein: the plurality of tail outer ring biting teeth (11) are uniformly distributed along the length direction.
6. A linear profile wrapped ventilation tube as claimed in claim 1, wherein: the plurality of tail inner ring biting teeth (12) are uniformly distributed along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242695.7A CN109882665B (en) | 2019-03-28 | 2019-03-28 | Linear section bar winding type ventilation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242695.7A CN109882665B (en) | 2019-03-28 | 2019-03-28 | Linear section bar winding type ventilation pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882665A CN109882665A (en) | 2019-06-14 |
| CN109882665B true CN109882665B (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910242695.7A Active CN109882665B (en) | 2019-03-28 | 2019-03-28 | Linear section bar winding type ventilation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882665B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433494Y (en) * | 2000-08-09 | 2001-06-06 | 金德铝塑复合管有限公司 | Pressure-type pipeline connector |
| CN2472034Y (en) * | 2000-12-06 | 2002-01-16 | 金德铝塑复合管有限公司 | Pressure pipe joint |
| KR20090000780U (en) * | 2008-12-30 | 2009-01-29 | 이병무 | Pipe laying for a coupler |
| CN202893533U (en) * | 2012-09-27 | 2013-04-24 | 安徽普源分离机械制造有限公司 | A packing ring |
| CN204592609U (en) * | 2015-03-20 | 2015-08-26 | 上海建为环保科技股份有限公司 | The active covering breather line of bed mud |
| CN205101705U (en) * | 2015-11-19 | 2016-03-23 | 宁波宏武管业有限公司 | Fire control hose |
| CN206130339U (en) * | 2016-10-27 | 2017-04-26 | 宁波中俊汽车零部件有限公司 | Dust removal pipeline |
| CN207279102U (en) * | 2017-06-10 | 2018-04-27 | 江苏新澎复合材料有限公司 | A kind of telescopic joint |
| CN207569409U (en) * | 2017-11-03 | 2018-07-03 | 台州市旭强塑业有限公司 | Multipurpose spigot-and-socket is molded pipe fitting |
-
2019
- 2019-03-28 CN CN201910242695.7A patent/CN109882665B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433494Y (en) * | 2000-08-09 | 2001-06-06 | 金德铝塑复合管有限公司 | Pressure-type pipeline connector |
| CN2472034Y (en) * | 2000-12-06 | 2002-01-16 | 金德铝塑复合管有限公司 | Pressure pipe joint |
| KR20090000780U (en) * | 2008-12-30 | 2009-01-29 | 이병무 | Pipe laying for a coupler |
| CN202893533U (en) * | 2012-09-27 | 2013-04-24 | 安徽普源分离机械制造有限公司 | A packing ring |
| CN204592609U (en) * | 2015-03-20 | 2015-08-26 | 上海建为环保科技股份有限公司 | The active covering breather line of bed mud |
| CN205101705U (en) * | 2015-11-19 | 2016-03-23 | 宁波宏武管业有限公司 | Fire control hose |
| CN206130339U (en) * | 2016-10-27 | 2017-04-26 | 宁波中俊汽车零部件有限公司 | Dust removal pipeline |
| CN207279102U (en) * | 2017-06-10 | 2018-04-27 | 江苏新澎复合材料有限公司 | A kind of telescopic joint |
| CN207569409U (en) * | 2017-11-03 | 2018-07-03 | 台州市旭强塑业有限公司 | Multipurpose spigot-and-socket is molded pipe fitting |
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| Publication number | Publication date |
|---|---|
| CN109882665A (en) | 2019-06-14 |
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