Filter element positioning and mounting structure of air filter

Abstract

The utility model discloses a filter element positioning and mounting structure of an air filter, which comprises a shell, a filter element arranged in the shell, a non-circular mounting port arranged on the filter element, an air inlet pipe arranged on the shell, an inserting port which corresponds to the mounting port and is similar to the mounting port in shape, the inserting port is hermetically inserted in the mounting port, and a limiting part is arranged in the shell. The outer wall of the filter element is provided with an inserting part corresponding to the limiting part, the inserting part is arranged in the limiting part, the limiting part is composed of two circumferentially arranged flanges, the inserting part is inserted between the flanges, and the two sides of the inserting part abut against the flanges respectively, so that the phenomenon that a gap is formed between the mounting port and the inserting port due to rotation between the filter element and the air inlet pipe is avoided; the problem of air tightness is reduced, and the filtering effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to an air filter, in particular to a filter core positioning and installing structure. BACKGROUND

[0002] The motorcycle engine air filter is a device for filtering dust, pollen, sand and other solid particle impurities in air, which is internally provided with a filter core capable of being disassembled and replaced. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model provides a filter core positioning and installing structure of air filter.

[0004] The utility model adopts the technical scheme that solves its technical problems:

[0005] A filter core positioning and installing structure of air filter, which comprises a shell, a filter core is installed in the shell, the filter core is provided with a non-circular mounting port, the shell is provided with an air inlet pipe, the air inlet pipe is provided with a similar-shaped socket corresponding to the mounting port, the socket is sealingly inserted into the mounting port, a limiting part is arranged in the shell, an insertion part is arranged on the outer wall of the filter core corresponding to the limiting part, and the insertion part is installed in the limiting part.

[0006] The mounting port and the socket are both elliptical.

[0007] A through hole is arranged on the shell, the socket passes through the through hole and is inserted into the mounting port.

[0008] A sealing ring is arranged between the mounting port and the socket.

[0009] Two circumferentially-arranged retaining edges are arranged in the shell, the limiting part is composed of the two retaining edges, the insertion part is inserted between the two retaining edges, and the two sides of the insertion part respectively abut against the two retaining edges.

[0010] An air outlet pipe is further arranged on the shell, and the inlet of the air outlet pipe is located at the rear end of the filter core.

[0011] The utility model discloses a beneficial effect is: the utility model discloses a filter core in the shell installation, filter core sets up one non - circular mounting port, the shell installs the air inlet pipe, and the air inlet pipe sets up the similar shape's socket corresponding to the mounting port, and the socket seal inserts and installs in the mounting port, and the shell is provided with the limiting portion, and the outer wall of filter core is provided with the plug -in portion corresponding to the limiting portion, and the plug -in portion installs in the limiting portion, and the limiting portion is composed of two circumferential arrangement's baffle edge, and the plug -in portion inserts and installs between the baffle edge, and two sides respectively with baffle edge and resist and combine, to avoid the rotation between filter core and air inlet pipe, causes the gap between mounting port and socket, reduces the problem of the air tightness, guarantees the effect of filtering. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further explained below in combination with the drawings and examples.

[0013] Fig. 1 It is the structure diagram of the utility model;

[0014] Fig. 2 It is the exploded view of the utility model;

[0015] Fig. 3 It is the internal structure diagram of lower shell. DETAILED DESCRIPTION

[0016] Referring to Figs. 1-3 A filter core positioning and installing structure of air filter, including shell 1, the shell 1 installs filter core 2 in, the filter core 2 sets up one non - circular mounting port 3, the shell 1 installs air inlet pipe 7, the air inlet pipe 7 sets up the similar shape's socket 4 corresponding to the mounting port 3, the socket 4 seal inserts and installs in the mounting port 3, the shell 1 is provided with limiting portion 5, the outer wall of filter core 2 is provided with plug -in portion 6 corresponding to the limiting portion 5, the plug -in portion 6 installs in the limiting portion 5, the shell 1 is provided with two circumferential arrangement's baffle edge 9, the limiting portion 5 is composed of two baffle edge 9, the plug -in portion 6 inserts and installs between two baffle edge 9, and the two sides of plug -in portion 6 respectively with two baffle edge 9 resist and touch, when the filter core 2 installs, the baffle edge 9 limits the possibility of the plug -in portion 6 circumferential rotation, to avoid the rotation between filter core and air inlet pipe, causes the gap between mounting port and socket, reduces the problem of the air tightness, guarantees the effect of filtering.

[0017] The mounting port 3 with the socket 4 are all oval, relative to the circular structure, the structure assembly of oval is reliable, is not easy to rotate, guarantees the accurate installation of the structure position of the other end of air inlet pipe, and the circumference of two mouths is longer, provides more contact area, better fitting effect and better connection stability, helps to prevent gas leakage.

[0018] The shell 1 is provided with a through hole 8, the socket 4 passes through the through hole 8 and is inserted into the mounting port 3, the through hole 8 is similar to the shape of the mounting port 3 and is slightly larger than the mounting port 3, so as to avoid interference with the insertion of the socket 4 into the mounting port 3.

[0019] A sealing ring is arranged between the mounting port 3 and the socket 4, so as to further improve the mounting sealing performance between the filter element 2 and the air inlet pipe 7, and also play a certain damping buffering role, so as to reduce the influence of engine vibration on the mounting of the filter element 2 and the air inlet pipe 7.

[0020] The shell 1 is further provided with an air outlet pipe 10, and the inlet of the air outlet pipe 10 is located at the rear end of the filter element 2.

[0021] The shell 1 is composed of a lower shell 11 and a cover 12, the through hole 8 and the limiting part 5 are arranged on the lower shell 11, and the air outlet pipe 10 is arranged on the lower shell 11.

[0022] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. An air cleaner cartridge positioning mounting structure comprising a housing (1) in which a cartridge (2) is mounted, characterized in that The filter core (2) is provided with a non-circular mounting port (3), the shell (1) is provided with an air inlet pipe (7), the air inlet pipe (7) is provided with a similar-shaped socket (4) corresponding to the mounting port (3), the socket (4) is sealingly inserted into the mounting port (3), the shell (1) is provided with a limiting portion (5), the outer wall of the filter core (2) is provided with an inserting portion (6) corresponding to the limiting portion (5), and the inserting portion (6) is inserted into the limiting portion (5).

2. The air cleaner cartridge positioning mount structure of claim 1 wherein The mounting port (3) and the socket (4) are both elliptical.

3. The air filter cartridge positioning mount structure of claim 1 wherein The shell (1) is provided with a through hole (8), the socket (4) passes through the through hole (8) and is inserted into the mounting port (3).

4. The air filter cartridge positioning mount structure of claim 1 wherein A sealing ring is arranged between the mounting port (3) and the socket (4).

5. The air filter cartridge positioning mount structure of claim 1 wherein The shell (1) is provided with two circumferentially-arranged retaining edges (9), the limiting portion (5) is composed of the two retaining edges (9), the inserting portion (6) is inserted between the two retaining edges (9), and the two sides of the inserting portion (6) abut against the two retaining edges (9) respectively.

6. The air filter cartridge positioning mount structure of claim 1 wherein The shell (1) is further provided with an air outlet pipe (10), and the air inlet pipe (10) is located at the rear end of the filter core (2).

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