CN219061879U

CN219061879U - Air filter air outlet plastic pipe

Info

Publication number: CN219061879U
Application number: CN202222571616.7U
Authority: CN
Inventors: 曹颖颖
Original assignee: Ningbo Zhonghe Automotive Accessories Co ltd
Current assignee: Ningbo Zhonghe Automotive Accessories Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-23
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an air filter air outlet plastic pipe, and relates to the technical field of air filters. Including the outlet duct body, the outlet duct body includes return bend, connecting piece and lower return bend, go up through connecting piece fixed mounting down the return bend on the downside port of return bend, the connecting piece includes bulge loop and lower bulge loop, go up the bulge loop and install on last return bend downside port, down the bulge loop is installed on the upside port of return bend down, the bulge loop outside is located to the bulge loop cover down, and goes up bulge loop and lower bulge loop welded fastening, the leading flank of going up the return bend is close to downside position fixed welding and has a screw thread section of thick bamboo, threaded connection has waste gas connecting pipe on the screw thread section of thick bamboo. The air outlet pipe body is divided into two parts, so that the bending angle of the air outlet pipe body is larger, the angle requirement of connection between the air filter and the throttle valve is met, the layout is more reasonable, the stress of the air outlet pipe body after installation is smaller, the installation is firmer, and the air outlet pipe is convenient to use.

Description

Air filter air outlet plastic pipe

Technical Field

The utility model relates to the technical field of air filters, in particular to an air filter air outlet plastic pipe.

Background

An air filter air outlet pipe belongs to an air inlet system, is arranged between an upper shell of an air filter and a throttle valve, and is used for sealing inlet air and guiding inlet air flow on one hand; on the other hand, interfaces are provided for a crankcase ventilation device, a vacuum hose and the like, and the crankcase ventilation device is used for discharging gasoline, steam or waste gas entering the crankcase from a gap of a cylinder wall and gasoline dripping into the crankcase at any time; the vacuum hose has the function of more effectively ensuring the vacuum degree of the vacuum booster by utilizing the venturi connector, and along with the continuous innovation of automobile technology, the reliability and the tightness of the air outlet pipe of the air filter and the relevant connection part become important indexes for evaluating the vehicle by customers. Under normal conditions, the connection part of the air outlet pipe of the air filter and the upper shell of the filter and the throttle valve is fixed by a hoop, so that the design requirement can be met.

In the prior art, the traditional air filter air outlet plastic pipe adopts a blow molding integrated structure, so that the shape of the air outlet plastic pipe has larger limitation, namely, the bending angle of the air outlet plastic pipe is limited, the air filter and a throttle valve can not be effectively connected and installed for use, and the air filter air outlet plastic pipe is relatively high in stress and easy to fall off.

Disclosure of Invention

The utility model provides an air filter air outlet plastic pipe, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an empty filter plastic tubing of giving vent to anger, includes the outlet duct body, the outlet duct body includes return bend, connecting piece and lower return bend, go up through connecting piece fixed mounting down the return bend on the downside port of return bend, the connecting piece includes bulge loop and lower bulge loop, go up the bulge loop and install on last return bend downside port, lower bulge loop is installed on the upside port of return bend down, the bulge loop outside is located down to the bulge loop cover, and goes up bulge loop and lower bulge loop welded fastening, the leading flank of going up the return bend is close to downside position fixed welding and has a screw thread section of thick bamboo, threaded connection has the waste gas connecting pipe on the screw thread section of thick bamboo.

Further, a first annular groove is formed in the left end of the upper bent pipe.

Further, the upper convex ring and the upper bent pipe are of an integrated structure.

Further, a second annular groove is formed in the left end of the lower bent pipe, and strip holes are uniformly formed in the left end of the lower bent pipe corresponding to the second annular groove along the circumferential direction.

Further, the lower convex ring and the lower bent pipe are of an integrated structure.

Compared with the prior art, the utility model provides the air filter air outlet plastic pipe, which has the following beneficial effects:

this air filter plastic tubing of giving vent to anger is through setting up return bend and return bend down to will go up return bend and return bend welded fastening down through the connecting piece, constitute an outlet duct body, make the bent angle of outlet duct body bigger, accord with the angle demand of being connected between air filter and the throttle more, the overall arrangement is more reasonable, the atress is littleer after the outlet duct body installation, the installation is more firm, convenient to use.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is an exploded front view of the present utility model;

fig. 3 is a rear view of the present utility model.

In the figure: 1. an outlet pipe body; 2. an upper elbow; 3. a connecting piece; 301. an upper convex ring; 302. a lower convex ring; 4. a lower bent pipe; 5. a thread cylinder; 6. an exhaust gas connection pipe; 7. a first annular groove; 8. a second annular groove; 9. and (5) a strip hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses an air filter air outlet plastic pipe, which comprises an air outlet pipe body 1, wherein the air outlet pipe body 1 comprises an upper bent pipe 2, a connecting piece 3 and a lower bent pipe 4, the lower bent pipe 4 is fixedly arranged on the lower side port of the upper bent pipe 2 through the connecting piece 3, the upper bent pipe 2 and the lower bent pipe 4 are made of AEM materials, the upper bent pipe 2 is a blow molding piece, the lower bent pipe 4 is a plastic piece, the connecting piece 3 is made of PA6+ GF15 materials, the connecting piece 3 comprises an upper convex ring 301 and a lower convex ring 302, the upper convex ring 301 is arranged on the lower side port of the upper bent pipe 2, the lower convex ring 302 is arranged on the upper side port of the lower bent pipe 4, the lower convex ring 302 is sleeved outside the upper convex ring 301, the upper convex ring 301 and the lower convex ring 302 are fixedly welded, a threaded cylinder 5 is fixedly welded on the front side surface of the upper bent pipe 2 near the lower side, and the threaded cylinder 5 is in threaded connection with an exhaust gas connecting pipe 6.

Specifically, a first annular groove 7 is arranged on the left end of the upper elbow pipe 2.

In this embodiment, the first annular groove 7 makes the upper elbow pipe 2 convenient for the installation of the anchor ear, and limits the anchor ear, i.e. makes the installation of the upper elbow pipe 2 more firm.

Specifically, the upper convex ring 301 and the upper elbow pipe 2 are integrally formed.

In this embodiment, the connection strength between the upper convex ring 301 and the upper elbow pipe 2 is achieved, and the upper elbow pipe is not easy to damage.

Specifically, a second annular groove 8 is arranged on the left end of the lower elbow 4, and strip holes 9 are uniformly formed in the left end of the lower elbow 4 corresponding to the second annular groove 8 along the circumferential direction.

In this embodiment, the second annular groove 8 makes things convenient for the staple bolt installation, carries out spacingly to the staple bolt, makes return bend 4 easy to assemble down, and rectangular hole 9 makes return bend 4 left side end can shrink down, and the more convenient staple bolt is fixed with return bend 4 installation down.

Specifically, the lower convex ring 302 and the lower bent pipe 4 are integrally formed.

In this embodiment, the connection strength between the lower convex ring 302 and the lower bent pipe 4 is achieved, and the lower convex ring is not easy to break and damage.

When the air outlet pipe is used, the upper bent pipe 2 conforming to the bending degree is produced in a blow molding mode through production requirements, the lower bent pipe 4 conforming to the bending degree is produced in an injection molding mode, the lower convex ring 302 is sleeved on the outer surface of the upper convex ring 301 through the connecting piece 3, the lower convex ring 302 is fixedly welded with the upper convex ring 301, namely the upper bent pipe 2 is fixedly connected with the lower bent pipe 4 to form the air outlet pipe body 1, the bending angle of the air outlet pipe body 1 is larger, the angle requirements of connection between an air filter and a throttle valve are met, the layout is more reasonable, the stress after the air outlet pipe body 1 is installed is smaller, the installation is firmer, and the air outlet pipe is convenient to use.

To sum up, this empty filter plastic tubing of giving vent to anger separates outlet duct body 1 into two parts, makes the bending angle of outlet duct body 1 bigger, accords with the angle demand of being connected between empty filter and the air throttle more, and the overall arrangement is more reasonable, and the atress is littleer after the installation of outlet duct body 1, and the installation is more firm, convenient to use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an empty filter plastic tubing of giving vent to anger, includes outlet duct body (1), its characterized in that: the utility model provides a waste gas connecting pipe, including outlet duct body (1), outlet duct body and exhaust pipe, outlet duct body is including last return bend (2), connecting piece (3) and return bend (4) down, go up through connecting piece (3) fixed mounting on the downside port of return bend (2) lower return bend (4), connecting piece (3) include bulge loop (301) and bulge loop (302) down, go up bulge loop (301) and install on last return bend (2) downside port, bulge loop (302) install on the upside port of return bend (4) down, bulge loop (302) cover is located in bulge loop (301) outside down, and go up bulge loop (301) and bulge loop (302) welded fastening down, the leading flank of going up return bend (2) is close to downside position fixed welding and is equipped with screw thread section of thick bamboo (5), threaded connection has waste gas connecting pipe (6) on screw thread section of thick bamboo (5).

2. An air filter outlet plastic tube according to claim 1, wherein: the left end of the upper elbow pipe (2) is provided with a first annular groove (7).

3. An air filter outlet plastic tube according to claim 1, wherein: the upper convex ring (301) and the upper bent pipe (2) are of an integrated structure.

4. An air filter outlet plastic tube according to claim 1, wherein: the left end of the lower elbow pipe (4) is provided with a second annular groove (8), and strip holes (9) are uniformly formed in the left end of the lower elbow pipe (4) corresponding to the second annular groove (8) along the circumferential direction.

5. An air filter outlet plastic tube according to claim 1, wherein: the lower convex ring (302) and the lower bent pipe (4) are of an integrated structure.