CN213066421U - Fresh air pipe body with replaceable filter screen - Google Patents
Fresh air pipe body with replaceable filter screen Download PDFInfo
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- CN213066421U CN213066421U CN202021132970.4U CN202021132970U CN213066421U CN 213066421 U CN213066421 U CN 213066421U CN 202021132970 U CN202021132970 U CN 202021132970U CN 213066421 U CN213066421 U CN 213066421U
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Abstract
The utility model provides a fresh air pipe body with a replaceable filter screen, which comprises at least two ventilation pipe bodies and at least one filter screen, wherein each ventilation pipe body is provided with a first connecting pipe and a second connecting pipe, the inner diameter of the first connecting pipe is smaller than that of the second connecting pipe, and an annular step surface is formed on the inner wall of the joint of the first connecting pipe and the second connecting pipe; the filter screen is arranged in the second connecting pipe of the second ventilation pipe body and fixedly connected with the first connecting pipe of the first ventilation pipe body inserted into the second connecting pipe of the second ventilation pipe body. The utility model provides a new trend body of removable filter screen includes a plurality of ventilation body and filter screen, fixes the filter screen in the inside of two adjacent ventilation body, this new trend body overall structure is simple, low in manufacturing cost; only need dismantle two adjacent ventilation pipe bodies when later maintenance and change, can take out the inside filter screen of second connecting pipe and wash or change easy operation convenience.
Description
Technical Field
The utility model belongs to the technical field of the new trend system technique and specifically relates to a new trend body of removable filter screen is related to.
Background
With the increasing environmental pollution and the increasing awareness of the harmfulness of air pollution. The fresh air system gradually enters daily home decoration for purifying indoor air. The fresh air system generally comprises a fan, an air inlet, an air outlet, a ventilation pipeline and a joint, and the ventilation pipeline filters, disinfects, sterilizes, increases oxygen, humidifies or preheats the air entering the room from the outside. Along with the continuous development of the domestic fresh air industry, more and more fresh air equipment integrates the filter screen in the ventilation pipeline. In order to ensure the filtering effect of the fresh air system on the air and the characteristics of the filter screen, the filter screen must be cleaned and maintained or replaced regularly. However, it is very difficult to replace the filter net in the ventilation duct in the existing fresh air system, whether the installation is limited by decoration conditions or equipment installation mode. Some new trend systems need only can wash and change the filter screen through changing whole air pipe even, for the maintenance and the change in new trend system later stage, have increased the cost and the degree of difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the current new trend system, the integrated filter screen of in air pipe changes shortcoming with high costs and the degree of difficulty is big provides a new trend body of removable filter screen.
The utility model provides a technical scheme that its technical problem adopted is: a fresh air pipe body with replaceable filter screens comprises at least two ventilation pipe bodies which are sequentially connected and at least one filter screen arranged in the ventilation pipe bodies, wherein the ventilation pipe bodies are provided with a first connecting pipe and a second connecting pipe which are sequentially and fixedly connected, and the inner diameter of the first connecting pipe is smaller than that of the second connecting pipe, so that an annular step surface is formed on the inner wall of the connecting part of the first connecting pipe and the second connecting pipe; the filter screen is arranged in the second connecting pipe of the second ventilating pipe body and inserts the first connecting pipe of the first ventilating pipe body into the second connecting pipe of the second ventilating pipe body, one side of the filter screen is abutted against the end part of the first connecting pipe of the first ventilating pipe body, and the other side of the filter screen is abutted against the annular step surface of the second ventilating pipe body.
Further, the first connecting pipe and the second connecting pipe of the adjacent ventilating pipe body are in threaded connection.
Specifically, the outer wall of the first connecting pipe is provided with an external thread, and the inner wall of the second connecting pipe is provided with an internal thread which is connected with the external thread in a matched mode.
Further, the first connecting pipe and the second connecting pipe of the adjacent ventilation pipe body are in interference fit.
Furthermore, the end of the first connecting pipe of the ventilation pipe body is provided with a first groove, and a first sealing strip is arranged in the first groove.
Specifically, a second groove is formed in the annular step surface of the ventilation pipe body, and a second sealing strip is arranged in the second groove.
Furthermore, the fresh air pipe body comprises three ventilation pipe bodies and two filter screens which are sequentially connected; the first connecting pipe of the first ventilating pipe body is inserted into the second connecting pipe of the second ventilating pipe body, and the first filter screen is fixed in the second connecting pipe of the second ventilating pipe body; and the first connecting pipe of the second ventilation pipe body is inserted into the second connecting pipe of the third ventilation pipe body, and the second filter screen is fixed in the second connecting pipe of the third ventilation pipe body.
Furthermore, the filter screen includes annular casing, set up in the handle of annular casing outside and set up in the inside filter element body of annular casing.
Specifically, the filter element body is one of a wire-wound filter element, a folding filter element or a PP filter element.
Specifically, the filter screen set up in inside the second connecting tube of ventilation body, just the handle is located and keeps away from one side of annular step face.
The utility model provides a fresh air body of removable filter screen's beneficial effect lies in: the fresh air pipe comprises a plurality of ventilation pipe bodies and filter screens arranged in the ventilation pipe bodies, wherein the filter screens are fixed in the adjacent two ventilation pipe bodies; when the filter screen is installed, the filter screen can be fixed only by placing the filter screen in one ventilation pipe body and connecting the ventilation pipe body with the other ventilation pipe body; when in later maintenance and replacement, the filter screen in the second connecting pipe can be taken out for cleaning or replacement only by detaching two adjacent ventilating pipe bodies, so that the operation is simple and convenient; the air filter is particularly suitable for being arranged between the air inlet and the air outlet in a fresh air system and used for filtering air.
Drawings
Fig. 1 is a full sectional view of a fresh air pipe body with a replaceable filter screen according to a first embodiment of the present invention;
fig. 2 is a full sectional view of a ventilation pipe body in a fresh air pipe body with a replaceable filter screen according to a first embodiment of the present invention;
fig. 3 is a full sectional view of a filter screen in a fresh air pipe body with a replaceable filter screen according to a first embodiment of the present invention;
fig. 4 is a full sectional view of a fresh air pipe body with a replaceable filter screen according to a second embodiment of the present invention.
In the figure: 100(200) -a fresh air pipe body, 10-a ventilation pipe body, 11-a first connecting pipe, 111-an external thread, 112-a first groove, 12-a second connecting pipe, 121-an external thread 13-an annular step surface, 131-a second groove, 14-a first sealing ring, 15-a second sealing ring, 20-a filter screen, 21-an annular shell, 22-a handle, 23-a filter core body, D1-the inner diameter of the first connecting pipe, D2-the inner diameter of the second connecting pipe, D3-the outer diameter of the first connecting pipe and D4-the outer diameter of the second connecting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a new trend body 100(200) of removable filter screen, this new trend body 100(200) use in being particularly useful for the new trend system, connect between the air intake and the air outlet of new trend system for the air that flows through in the new trend system inner channel filters. The utility model provides a new trend body 100(200) include at least two ventilation body 10 that connect gradually and set up at least one filter screen 20 in ventilation body 10. The number of the ventilation pipe bodies 10 and the number of the filter screens 20 are determined by the overall requirement of the fresh air system. If the requirement for air filtration in the fresh air system is high, the number of the filter screens 20 can be increased by increasing the number of the ventilation pipe bodies 10, or the specific setting position of the filter screen 20 in the fresh air pipe body 100(200) can be adjusted according to the setting position of the fresh air system. The filter screen 20 is secured relative to the inside of the vent body 10 by the interconnection of adjacent vent bodies 10. The utility model provides a new trend body 100(200) can all be provided with filter screen 20 in every adjacent ventilation body 10, also can set up filter screen 20 in the ventilation body 10 that a plurality of at the front end of whole new trend body 100 links to each other. This filter screen 20 set up position and interval quantity all can adjust as required at will to the quantity and the position that conveniently set up filter screen 20 in the new trend system are arranged, make things convenient for filter screen 20's installation promptly, also make things convenient for the regular cleaning and the maintenance in new trend system later stage.
The first embodiment is as follows:
referring to fig. 1, a fresh air pipe 100 with a replaceable filter screen according to a first embodiment of the present invention is provided. In this embodiment, the fresh air duct 100 includes two ventilation ducts 10 connected in sequence and a filter screen 20 disposed in the ventilation ducts 10. The filter screen 20 is fixed between two connected ventilation pipe bodies 10, and the fixation in the ventilation pipe bodies 10 is realized through the fixed connection of the two ventilation pipe bodies 10. The vent body 10 is injection molded from high strength ABS.
As shown in fig. 2, the ventilation pipe body 10 has a first connection pipe 11 and a second connection pipe 12 fixedly connected in turn. The ventilation pipe body 10 is divided into a two-stage structure of a first connection pipe 11 and a second connection pipe 12, wherein the first connection pipe 11 and the second connection pipe 12 are communicated with each other to form a passage through which air can flow. The inner diameter D1 of the first connection pipe 11 is smaller than the inner diameter D2 of the second connection pipe 12 so that the first connection pipe 11 and the second connection pipe 12 form an annular step surface 13 on the inner wall of the connection thereof. The annular step surface 13 formed inside the ventilation pipe body 10 receives the filter screen 20, so that a flat surface for fixing the filter screen 20 is formed inside the second connection pipe 12 of the ventilation pipe body 10 to abut against one side of the filter screen 20.
Specifically, in the present embodiment, the filter screen 20 is disposed in the second connecting pipe 12 of the second ventilation pipe body 10 and the first connecting pipe 11 of the first ventilation pipe body 10 is inserted into the second connecting pipe 12 of the second ventilation pipe body 10 to be fixedly connected, one side of the filter screen 20 abuts against the end of the first connecting pipe 11 of the first ventilation pipe body 10, and the other side of the filter screen 20 abuts against the annular step surface 13 of the second ventilation pipe body 10. As shown in fig. 1, when two adjacent vent tubes 10 are connected, the first connection pipe 11 of the lower vent tube 10 is inserted into the second connection pipe 12 of the upper vent tube 10, so that the two vent tubes 10 are fixedly connected. The filter screen 20 is disposed inside the second connecting pipe 12 of the ventilation pipe body 10 located above, and gradually abuts against the annular step surface 11 of the ventilation pipe body 10 located above along with the insertion of the ventilation pipe body 10 located below, so that the relative position limitation of the two sides of the filter screen 20 is realized.
Further, in the fresh air pipe body 100 with the replaceable filter screen provided by the present invention, the first connecting pipe 11 and the second connecting pipe 12 of the adjacent ventilation pipe body 10 are connected by screw threads. In this embodiment, the second connection pipe 12 of the upper ventilation pipe body 10 is connected with the first connection pipe 11 of the lower ventilation pipe body 10 through a screw thread. The structure of the ventilation duct body 10 disposed above and the ventilation duct body 10 disposed below are identical, and are standard parts having uniform structure and size, thereby facilitating the connection of a plurality of ventilation duct bodies 10.
Specifically, as shown in fig. 2, the outer wall of the first connection pipe 11 in the ventilation pipe body 10 is provided with an external thread 111, and the inner wall of the second connection pipe 12 is provided with an internal thread 121 which is in fit connection with the external thread 111. The external thread 111 on the first connecting tube 11 in each vent tube body 10 is matched with the internal thread 121 on the second connecting tube 12. During installation, the first connecting pipe 11 of one ventilator body 10 is inserted into the second connecting pipe 12 of the other ventilator body 10, and the two ventilator bodies 10 are fixed to each other by screwing the screw threads. This ventilation body 10's simple structure, it is all very convenient to install and dismantle, need not appurtenance and can accomplish the installation and the dismantlement between the ventilation body 10 in the new trend body 100.
Certainly, the utility model provides a new trend body 100 of removable filter screen, not only can realize fixedly through threaded connection between this adjacent ventilation body 10, can also realize fixed connection through interference fit between the first connecting pipe 11 of adjacent ventilation body 10 and the second connecting pipe 12. That is, the outer diameter D3 of the first connecting tube 11 of the ventilation tube body 10 is larger than the outer diameter D4 of the second connecting tube 12. During installation, the first connecting pipe 11 of one ventilation pipe body 10 is inserted into the second connecting pipe 12 only by external force, so that the two ventilation pipe bodies 10 can be fixedly connected. The ventilation pipe body 10 fixedly connected through the interference fit mode is simpler in structure, and only the dimensional tolerance of the outer diameter D3 of the first connecting pipe 11 and the outer diameter D4 of the second connecting pipe 12 needs to be guaranteed, so that the machining procedures of the ventilation pipe body 10 are reduced, and the machining cost of the ventilation pipe body 10 is reduced.
Further, as shown in fig. 2, the end of the first connecting tube 11 of the ventilation tube body 10 is provided with a first groove 112, and the first sealing strip 14 is arranged in the first groove 112. The annular step surface 13 of the ventilation pipe body 10 is provided with a second groove 131, and a second sealing strip 15 is arranged in the second groove 131. In the ventilation pipe body 10, grooves (112, 131) are provided on both surfaces abutting against the filter mesh 20, and sealing strips (14, 15) are provided in the grooves (112, 131). When connecting two adjacent vent tube bodies 10, two sealing strips (14, 15) are respectively abutted on two side faces of the filter screen 20, and the filter screen 20 is fixed by pressing the sealing strips (14, 15). The first sealing strip 14 and the second sealing strip 15 are arranged, so that not only can sealing between the ventilation pipe body 10 and the filter screen 20 be realized by extruding the sealing strips when the adjacent ventilation pipe bodies 10 are connected, but also the situation that the filter screen 20 is deformed or the filter screen 20 is damaged due to the direct extrusion of the ventilation pipe body 10 to the filter screen 20 can be avoided.
Further, as shown in fig. 3, the filter screen 20 in the fresh air pipe body 100 of the present invention is provided with a replaceable filter screen. The filter net 20 includes an annular housing 21, a handle 22 disposed outside the annular housing 21, and a filter element 23 disposed inside the annular housing 21. The annular housing 21 of the filter net 20 is a metal housing wrapping, which is disposed on the outer edge surface of the filter element body 23 and can abut against the annular step surface 13 of the ventilation pipe body 10 and the end of the first connection pipe 10. The handle 22 is fixed to the ring-shaped housing 21 at both ends thereof. The handle 22 can be used to conveniently remove the filter screen 20 from the ventilation tube 10, thereby facilitating the replacement of the filter screen 20. Specifically, the filter element body 23 is one of a wire-wound filter element, a pleated filter element or a PP filter element. The filter element body 23 can freely select the suitable filter element body 23 according to different requirements of a fresh air system. When the filter net 20 is installed in the ventilation pipe body 10, the side without the handle 22 is placed in the second connecting pipe 12 of the ventilation pipe body 10 toward the annular step surface 13, so that the filter net 20 is disposed inside the second connecting pipe 12 of the ventilation pipe body 10 and the handle 22 is located at the side away from the annular step surface 13. This is done to facilitate subsequent maintenance and replacement, and the filter screen 20 can be easily removed from the second connecting tube 12 by the handle 22 after the ventilation tube 10 is opened.
The utility model provides a new trend body 100's of removable filter screen installation:
s1: placing the side of the filter screen 20 without the handle 22 into the second connecting pipe 12 from the open side of the second connecting pipe 12 of the ventilation pipe body 10;
s2: the first connecting pipe 11 of the other ventilation pipe body 10 is screwed in from the end part of the second connecting pipe 12 of the ventilation pipe body 10 in which the filter screen 20 is already arranged, and in the screwing-in process, the side surface of the filter screen 20 is abutted to the annular step surface 13 of the ventilation pipe body 10, so that the fixed connection between the two ventilation pipe bodies 10 is realized.
The utility model provides a new trend body 100's of removable filter screen dismantles process:
s1: unscrewing two interconnected ventilation pipe bodies 10, and opening a second connecting pipe 12 of the ventilation pipe body 10 provided with a filter screen 20;
s2: the filter screen 20 in the ventilation pipe body 20 is taken out from the opening of the second connecting pipe 12 through the handle 22.
Example two:
referring to fig. 4, a fresh air pipe 200 with a replaceable filter screen according to a second embodiment of the present invention is provided. The difference between this embodiment and the first embodiment is that the fresh air duct body 200 includes three ventilation duct bodies 10 and two filter screens 20 connected in sequence. The two filter screens 20 are respectively arranged at the joint of every two adjacent ventilation pipe bodies 10. Specifically, as shown in fig. 4, the first connection pipe 11 of the first ventilation pipe body 10 is inserted into the second connection pipe 12 of the second ventilation pipe body 10, and the first filter screen 20 is fixed in the second connection pipe 12 of the second ventilation pipe body 10; the first connecting tube 11 of the second ventilation tube body 10 is inserted into the second connecting tube 12 of the third ventilation tube body 10, and the second filter mesh 20 is fixed in the second connecting tube 12 of the third ventilation tube body 10.
The utility model provides a new trend body 100(200) of removable filter screen includes a plurality of ventilation body 10 and sets up the filter screen 20 in the ventilation body 10 inside, is applicable to and uses in the new trend system, adds the quantity of ventilation body 10 and the quantity of filter screen 20 according to the actual demand of new trend system to and the concrete position of this filter screen 20 in new trend body 10 arranges; can set up a plurality of filter screens 20 in this new trend body 10, every filter screen 20 can be the same filter element body 23, realizes multi-stage filtration's effect, also can be different filter element bodies 23, realizes the filter effect of multiple different functions. Meanwhile, the filter screen 20 is fixed inside the second connecting pipe 12 of the ventilation pipe 10 by the fixed connection of the adjacent ventilation pipe 10, so that the fresh air pipe 100 has a simple overall structure and low manufacturing cost; when the ventilating pipe body 10 is installed, the filter screen 20 is fixed only by placing the filter screen 20 in one ventilating pipe body 10 and connecting the ventilating pipe body 10 with another ventilating pipe body 10; during later maintenance and replacement, the filter screen 20 in the ventilation pipe body 10 can be taken out for cleaning or replacement only by disassembling two adjacent ventilation pipe bodies 10, and the operation is simple and convenient; the air filter is particularly suitable for being arranged between the air inlet and the air outlet in a fresh air system and used for filtering air.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A fresh air pipe body with replaceable filter screens is characterized by comprising at least two ventilation pipe bodies which are sequentially connected and at least one filter screen arranged in the ventilation pipe bodies, wherein the ventilation pipe bodies are provided with a first connecting pipe and a second connecting pipe which are sequentially and fixedly connected, and the inner diameter of the first connecting pipe is smaller than that of the second connecting pipe, so that an annular step surface is formed on the inner wall of the connecting part of the first connecting pipe and the second connecting pipe; the filter screen is arranged in the second connecting pipe of the ventilation pipe body and inserts the first connecting pipe of the ventilation pipe body into the second connecting pipe of the ventilation pipe body, the inner part of the second connecting pipe is fixedly connected, one side of the filter screen is abutted against the end part of the first connecting pipe of the ventilation pipe body, and the other side of the filter screen is abutted against the annular step surface of the ventilation pipe body.
2. The filter screen replaceable fresh air pipe body as claimed in claim 1, wherein the first connecting pipe and the second connecting pipe of adjacent ventilation pipe bodies are connected by screw threads.
3. The fresh air pipe body with the replaceable filter screen as claimed in claim 2, wherein the outer wall of the first connecting pipe is provided with an external thread, and the inner wall of the second connecting pipe is provided with an internal thread which is matched and connected with the external thread.
4. The filter screen replaceable fresh air tube body as claimed in claim 1, wherein the first connecting tube and the second connecting tube of adjacent ones of the tube bodies are in interference fit.
5. The fresh air pipe body with the replaceable filter screen as claimed in claim 1, wherein a first groove is formed at an end of the first connection pipe of the fresh air pipe body, and a first sealing strip is arranged in the first groove.
6. The fresh air pipe body with the replaceable filter screen as claimed in claim 5, wherein a second groove is formed on the annular step surface of the ventilation pipe body, and a second sealing strip is arranged in the second groove.
7. The filter screen-replaceable fresh air pipe body according to claim 1, wherein the fresh air pipe body comprises three filter screens and three ventilation pipe bodies connected in sequence; the first connecting pipe of the first ventilating pipe body is inserted into the second connecting pipe of the second ventilating pipe body, and the first filter screen is fixed in the second connecting pipe of the second ventilating pipe body; and the first connecting pipe of the second ventilation pipe body is inserted into the second connecting pipe of the third ventilation pipe body, and the second filter screen is fixed in the second connecting pipe of the third ventilation pipe body.
8. The fresh air pipe body with the replaceable filter screen as claimed in any one of claims 1 to 7, wherein the filter screen comprises an annular casing, a handle disposed outside the annular casing, and a filter element disposed inside the annular casing.
9. The fresh air pipe body with the replaceable filter screen as claimed in claim 8, wherein the filter element is one of a wire-wound filter element, a folded filter element or a PP filter element.
10. The fresh air duct body with the replaceable filter screen as claimed in claim 8, wherein the filter screen is disposed inside the second connection pipe of the ventilation duct body, and the handle is located on a side away from the annular step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132970.4U CN213066421U (en) | 2020-06-17 | 2020-06-17 | Fresh air pipe body with replaceable filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132970.4U CN213066421U (en) | 2020-06-17 | 2020-06-17 | Fresh air pipe body with replaceable filter screen |
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| Publication Number | Publication Date |
|---|---|
| CN213066421U true CN213066421U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021132970.4U Active CN213066421U (en) | 2020-06-17 | 2020-06-17 | Fresh air pipe body with replaceable filter screen |
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| Country | Link |
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| CN (1) | CN213066421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154581A (en) * | 2021-05-19 | 2021-07-23 | 深圳市正晧科技有限公司 | Industrial production is with new trend mechanism that has purification performance |
-
2020
- 2020-06-17 CN CN202021132970.4U patent/CN213066421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154581A (en) * | 2021-05-19 | 2021-07-23 | 深圳市正晧科技有限公司 | Industrial production is with new trend mechanism that has purification performance |
| CN113154581B (en) * | 2021-05-19 | 2022-12-02 | 深圳市正晧科技有限公司 | Industrial production is with new trend mechanism that has purification performance |
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