Waterproof air filter structure of motorcycle

Abstract

The utility model discloses a waterproof air filter structure of a motorcycle. The waterproof air filter structure comprises an air filter body, an air filter upper cover, a filter element, a filter screen, an air inlet cover and an air inlet rubber sleeve which are installed from bottom to top. The air filter upper cover is provided with a filter element installation through groove hollow hole protruding downwards, the bottom of the air filter upper cover is provided with a lower flanging protruding downwards, and the bottom of the air filter upper cover is further provided with a sealing rubber strip installation groove located in the periphery of the lower flanging. And the top of the upper cover of the air filter is provided with an upper flange protruding upwards. According to the waterproof air filter structure of the motorcycle, the double waterproof effect is achieved by arranging the protruding turnups on the top mounting end face and the bottom mounting end face of the air filter upper cover and arranging the sealing strips conventionally, and the effect that the mounting end faces of the whole air filter structure are each provided with two waterproof designs is achieved; most of water can be prevented from entering the air filter structure through the mounting end face, so that an engine is better protected, and the service life of a motorcycle is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle parts, in particular to a motorcycle waterproof air filter structure which can be applied and installed on a motorcycle to improve the sealing performance and achieve excellent waterproof performance. Background Art

[0002] At present, when the engine of a motorcycle is working, it needs to intake a large amount of air. The conventional operation is to intake air into the engine through a large intake pipe and an air inlet. Traditionally, an air filter structure is arranged at the rear end of the intake of the intake pipe to filter the air, so as to filter out some dust, impurities, etc., so as to make the air entering the engine be relatively pure filtered air. However, in the actual use process of the air filter structure of the traditional technology, there are some problems that need to be improved, which are specifically as follows: (1) The air filter structure of the traditional technology is basically composed of an air filter main body, an air filter grid, an air filter cover body and an intake pipe. The air filter grid is installed in the air filter main body, and then the air filter cover body is used to cover and seal it, etc. Since the air filter structure is exposed, the intake end of the intake pipe is at a relatively high position and there will be certain obstacles to prevent water from entering and isolate more dust. However, only one sealing strip is often used to press the sealing end face between the air filter main body and the air filter cover body. During the water spray test and the actual use process, it is found that there is a phenomenon that water enters the filter element and the air filter main body through the installation end face gap between the air filter main body and the air filter cover body, and there are disadvantages of poor sealing performance and low waterproof performance. (2) When installing the air filter grid, the air filter grid is directly placed into the air filter main body, and then the air filter cover body is used to press and clamp the air filter grid to form a relatively fixed limit installation of the air filter in the air filter main body. This installation method will cause the air filter grid to be easily deformed and damaged when subjected to a large pressing force, seriously reducing the filtering performance of the air filter grid. There are also some methods to set corresponding air filter installation grooves and insert the air filter grid into the air filter installation grooves to form a limit installation. However, due to the narrow space and small width of this air filter installation groove, when inserting and removing the air filter grid, it is easy to cause the air filter grid to be misaligned with the air filter installation groove during disassembly and assembly, resulting in the disassembly and assembly not being smooth and not being completed at one time. Sometimes, there will also be difficulties in disassembly and assembly, and specific tools are required to complete it. If the air filter installation groove is set larger to facilitate installation, it will cause the air filter grid not to be well limited and installed, resulting in the air filter grid being easily displaced after installation, especially when the motorcycle is driving on a bumpy road, the air filter grid is easy to shake and collide with the air filter main body, etc., generating abnormal noises. (3) The installation end face between the intake pipe of the traditional structure and the air filter cover body is also pressed by one sealing strip. Although this installation end face is usually at a relatively high position and there will be some parts blocking it, it is not easy to get wet during daily driving. However, in some extreme use cases (such as strong winds and heavy rains), when driving, large splashes of water are splashed, during car washing, etc., it is inevitable that some water will reach the position of this installation end face. Only one sealing strip is pressed, and there are also problems of poor sealing and poor waterproof performance. There is also a risk of water seeping into the air filter grid through this installation end face.

[0003] In Chinese patent literature, there are also some patented technologies that disclose how to improve the waterproof performance of motorcycle air filters, such as "An Air Filter and a Motorcycle" with Chinese Patent No. 201821947996.7 and "Waterproof Air Filter for Off-road Motorcycle" with Chinese Patent No. 202222989557.5. These disclosed patented technologies basically solve problems such as how to improve the waterproof performance at the air inlet, but still fail to solve the above-mentioned existing problems and need to be improved.

[0004] Therefore, it is necessary to make certain improvements to the structure of the existing motorcycle air filter to improve the problems of the existing technology, and to develop a waterproof air filter structure that can improve the waterproof performance and basically prevent water from entering the air filter, so as to better protect the operation of the engine. Summary of the Invention

[0005] The purpose of the present utility model is to overcome the above-mentioned shortcomings of the existing technology and provide a waterproof air filter structure for motorcycles. This motorcycle waterproof air filter structure is basically composed of several major components such as an air filter main body, an air filter upper cover, a filter element assembly, an air inlet cover, and an air inlet rubber sleeve. By setting protruding flanges on both the top and bottom installation end faces of the air filter upper cover and the conventionally set sealing strip, a double waterproof effect is achieved, that is, the sealing strip is the first waterproof design, and the flange is the second waterproof design. In this way, it can be realized that there are two waterproof designs on the installation end face of the entire air filter structure, which can block most of the water from entering the air filter structure through the installation end face, thereby better protecting the engine and extending the service life of the motorcycle; and the overall structure is simple, without the need for major transformation of the entire air filter structure, which can reduce production costs. In addition, the traditional air filter grid is designed as a split filter element and filter screen to form a filter element assembly, which can not only achieve a double filtration effect and improve the filtration ability, but also the split filter element assembly structure can realize the clamping and positioning installation of independent limit, solving problems such as difficult installation and easy damage existing in the traditional structure.

[0006] The technical solution adopted by the present utility model to solve its technical problems is: a waterproof air filter structure for motorcycles, including an air filter main body, an air filter upper cover installed on the top of the air filter main body, a filter element and a filter screen installed in the air filter upper cover, an air inlet cover installed on the top of the air filter upper cover and covering the filter element, and an air inlet rubber sleeve installed on the top of the air inlet cover.

[0007] The air filter upper cover is provided with a downwardly protruding hollow hole of the filter element installation through groove for installing the filter element and the filter screen.

[0008] The bottom of the air filter upper cover is provided with a downwardly protruding lower flange that surrounds the bottom periphery of the hollow hole of the filter element installation through groove and is fitted and installed with the installation end face of the air filter main body. The bottom of the air filter upper cover is also provided with a sealing strip installation groove located outside the lower flange and used for limiting the installation of the sealing strip.

[0009] The top of the upper cover of the air filter is provided with an upwardly protruding flanging that is arranged around the periphery of the top of the hollow hole of the filter element installation through groove and is fitted and installed with the installation end face of the air inlet cover.

[0010] Furthermore, on the inner wall surface of the hollow hole of the filter element installation through groove, there is a limiting edge extending inwards. At the top of the limiting edge, there is a limiting vertical bar protruding upwards to limit and block the installation position of the bottom of the filter element. At the top of the limiting edge, there is a limiting horizontal plate protruding horizontally and forming a gap with the bottom of the limiting edge; the gap formed between the top of the limiting horizontal plate and the bottom of the limiting edge is a filter screen installation groove for clamping the installation of the filter screen; the top height of the limiting horizontal plate is lower than the top height of the limiting vertical bar.

[0011] Furthermore, the upper cover of the air filter is provided with air inlet cover installation holes. The upper cover of the air filter and the air inlet cover are mutually installed and fixed by a first screw passing through the air inlet cover installation holes; the sealing rubber strip installation groove and the side surface of the air inlet cover installation hole form an integrally formed structure connected to each other.

[0012] Furthermore, on the top of the upper cover of the air filter, there is also a semi-circular flanging protruding upwards and arranged around half of the area of the upper cover of the air filter.

[0013] Furthermore, the upper cover of the air filter and the air filter main body are mutually installed and fixed by a second screw.

[0014] Furthermore, at the bottom of the air inlet rubber sleeve, there are clamping convex columns. The air inlet rubber sleeve is buckled and installed on the top of the air inlet cover through the clamping convex columns.

[0015] In summary, the structure of the waterproof air filter for motorcycles of the present utility model is basically composed of several major components such as an air filter main body, an air filter upper cover, a filter element assembly, an air inlet cover, and an air inlet rubber sleeve. By setting protruding flangings on both the top and the bottom installation end faces of the air filter upper cover and the conventionally set sealing strips, a double waterproof effect is achieved, that is, the sealing strip is the first waterproof design, and the flanging is the second waterproof design. In this way, it can be realized that there are two waterproof designs on the installation end face of the entire air filter structure, which can block most of the water from entering the air filter structure through the installation end face, thereby better protecting the engine and extending the service life of the motorcycle; and the overall structure is simple, without the need for major modifications to the entire air filter structure, which can reduce production costs. In addition, the traditional air filter grid is designed as a filter element assembly composed of a split filter element and a filter screen, which can not only achieve a double filtering effect and improve the filtering ability, but also the split filter element assembly structure can realize independent limiting clamping and positioning installation, solving problems such as difficult installation and easy damage existing in the traditional structure. Description of the Drawings

[0016] Figure 1It is a schematic diagram of the structural decomposition of a waterproof air filter structure for a motorcycle of the present utility model;

[0017] Figure 2 It is a schematic diagram of the structural decomposition of a waterproof air filter structure for a motorcycle of the present utility model in another direction;

[0018] Figure 3 It is a front view schematic diagram of the air filter upper cover;

[0019] Figure 4 It is a rear view schematic diagram of the air filter upper cover;

[0020] Figure 5 It is a left view schematic diagram of the air filter upper cover;

[0021] Figure 6 It is a right view schematic diagram of the air filter upper cover;

[0022] Figure 7 It is a top view schematic diagram of the air filter upper cover;

[0023] Figure 8 It is a bottom view schematic diagram of the air filter upper cover;

[0024] Figure 9 It is a three-dimensional schematic diagram of the air filter upper cover;

[0025] The markings in the attached drawings are as follows: 1. Air filter main body; 2. Air filter upper cover; 3. Filter element; 4. Filter screen; 5. Air inlet cover; 6. Air inlet rubber sleeve; 7. Hollow hole in the filter element installation through groove; 8. Lower flanging; 9. Sealing strip installation groove; 10. Upper flanging; 11. Limiting edge; 12. Limiting vertical strip; 13. Limiting horizontal plate; 14. Air inlet cover installation hole; 15. First screw; 16. Half-circle flanging; 17. Second screw. Detailed implementation method

[0026] Example 1

[0027] A waterproof air filter structure for a motorcycle described in this Example 1, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9As shown in the figure, it includes an air filter main body 1, an air filter upper cover 2 installed on the top of the air filter main body, a filter element 3 and a filter screen 4 installed inside the air filter upper cover, an air inlet cover 5 installed on the top of the air filter upper cover and covering the air inlet of the filter element, and an air inlet rubber sleeve 6 installed on the top of the air inlet cover. The waterproof air filter structure of the motorcycle is composed of these six major components. Among them, the air filter main body, the air filter upper cover, the air inlet cover, and the air inlet rubber sleeve form the outer shell of the waterproof air filter structure of the motorcycle, which are tightly installed with each other in sequence from bottom to top. The filter element and the filter screen are installed inside the air filter upper cover; both the top and bottom of the air filter upper cover have installation end faces to fit and install with the corresponding components. The filter element and the filter screen form a split structure, which is different from the integrated air filter grid structure of traditional technologies.

[0028] The air filter upper cover is provided with a filter element installation through-hole hollow hole 7 that protrudes downward and is used for installing the filter element and the filter screen. The filter element installation through-hole hollow hole is a square space structure for installing the filter element and the filter screen, and the filter element installation through-hole hollow hole is a through-open structure from top to bottom, and its bottom protrudes downward more than the bottom of the air filter upper cover.

[0029] The bottom of the air filter upper cover is provided with a downwardly protruding lower flanging 8 that is arranged around the bottom periphery of the filter element installation through-hole hollow hole and is fitted and installed with the installation end face of the air filter main body. The bottom of the air filter upper cover is also provided with a sealing strip installation groove 9 located outside the lower flanging and used for limiting and installing the sealing strip. When the installation end faces of the air filter upper cover and the air filter main body are tightly fitted and installed, the lower flanging serves as the second waterproof line for waterproofing, and the sealing strip installation groove installs the sealing strip as the first waterproof line for waterproofing. That is, the sealing strip and the lower flanging form a double-layer waterproof structure inside and outside, achieving a double waterproof effect, improving the waterproof performance, and having stronger sealing performance.

[0030] The top of the air filter upper cover is provided with an upwardly protruding upper flanging 10 that is arranged around the top periphery of the filter element installation through-hole hollow hole and is fitted and installed with the installation end face of the air inlet cover. When the installation end faces of the air filter upper cover and the air inlet cover are fitted and installed, the upper flanging serves as the second waterproof line for waterproofing, and another sealing strip is also tightly sleeved outside the upper flanging as the second waterproof line, also achieving a double waterproof effect inside and outside.

[0031] In the present Embodiment 1, a limiting edge 11 extending inwards is provided on the inner wall surface of the hollow hole of the filter element installation through groove. A limiting vertical bar 12 protruding upwards and limiting and blocking the bottom installation position of the filter element is provided at the top of the limiting edge. A limiting horizontal plate 13 extending horizontally and forming a gap with the bottom of the limiting edge is provided at the top of the limiting edge; the gap formed between the limiting horizontal plate and the bottom of the limiting edge is a filter screen installation groove for clamping and installing the filter screen; the top height of the limiting horizontal plate is lower than the top height of the limiting vertical bar. When installing the filter element and the filter screen, first install the filter screen. First, snap one side of the filter screen into one side of the filter screen installation groove, and then press down the other side of the filter screen and press it into the other side of the filter screen installation groove from the limiting horizontal plate, and the installation of the filter screen can be completed. At this time, the bottom of the limiting edge also supports the bottom of the filter screen, achieving a stable installation effect. After the filter screen is installed, then install the filter element from the top of the hollow hole of the filter element installation through groove. After the filter element is installed, the limiting vertical bar correspondingly limits and clamps the side of the filter element, and the limiting installation of the filter element can be formed after the filter element is installed in place.

[0032] In the present Embodiment 1, the air filter upper cover is provided with an air inlet cover installation hole 14. The air filter upper cover and the air inlet cover are fixedly installed with each other through a first screw 15 passing through the air inlet cover installation hole; the sealant strip installation groove and the side surface of the air inlet cover installation hole form an integrally formed structure connected to each other. Through the installation and fixation by the first screw and the air inlet cover installation hole, the quick installation of the air filter upper cover and the air inlet cover can be completed, and the disassembly is also convenient.

[0033] In the present Embodiment 1, a half-circle flanging 16 protruding upwards and arranged around half of the area of the air filter upper cover is further provided at the top of the air filter upper cover. Since the entire structure of the motorcycle waterproof air filter is installed on the motorcycle frame, its installation position will be partially exposed. The provided half-circle flanging is higher than the top of the air filter upper cover, which can block a certain amount of corresponding dust and water from flowing into the top of the air filter upper cover from this side to a certain extent, playing a role in preventing dust and water from flowing into the other side of the air filter upper cover.

[0034] In the present Embodiment 1, the air filter upper cover and the air filter main body are fixedly installed with each other through a second screw 17.

[0035] In the present Embodiment 1, a clamping convex column (not shown in the figure) is provided at the bottom of the air inlet rubber sleeve. The air inlet rubber sleeve is snap-fitted and installed on the top of the air inlet cover through the clamping convex column. The air inlet rubber sleeve is installed on the air inlet cover, and the clamping convex column can quickly position it, facilitating the installation.

[0036] In the first embodiment, the waterproof air filter structure of the motorcycle basically consists of several major components such as an air filter main body, an air filter upper cover, a filter element assembly, an air inlet cover, and an air inlet rubber sleeve. By setting protruding flanges on the top and bottom mounting end faces of the air filter upper cover and the conventionally provided sealing strip, a double waterproof effect is achieved. That is, the sealing strip is the first waterproof design, and the flange is the second waterproof design. In this way, there are two waterproof designs on the mounting end face of the entire air filter structure, which can block most of the water from entering the air filter structure through the mounting end face, thus better protecting the engine and extending the service life of the motorcycle. Moreover, the overall structure is simple, without the need for major modification to the entire air filter structure, which can reduce production costs. In addition, the traditional air filter grid is designed as a split filter element and filter screen to form a filter element assembly, which can not only achieve a double filtration effect and improve the filtration ability, but also the split filter element assembly structure can realize the clamping and positioning installation with independent limit, solving the problems such as difficult installation and easy damage existing in the traditional structure.

[0037] The above is only a preferred embodiment of the present invention, and does not impose any formal restrictions on the structure of the present invention. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims

1. A waterproof air filter structure for a motorcycle, characterized in that, It includes an air filter main body (1), an air filter upper cover (2) installed on the top of the air filter main body, a filter element (3) and a filter screen (4) installed inside the air filter upper cover, an air inlet cover (5) installed on the top of the air filter upper cover and covering the air inlet of the filter element, and an air inlet rubber sleeve (6) installed on the top of the air inlet cover; The air filter upper cover is provided with a filter element installation through groove hollow hole (7) that protrudes downward and is used for installing the filter element and the filter screen; The bottom of the air filter upper cover is provided with a downward protruding downward flanging (8) that is arranged around the periphery of the bottom of the filter element installation through groove hollow hole and is fitted and installed with the installation end face of the air filter main body. The bottom of the air filter upper cover is also provided with a sealing strip installation groove (9) located outside the downward flanging and used for limiting and installing the sealing strip; The top of the air filter upper cover is provided with an upward protruding upward flanging (10) that is arranged around the periphery of the top of the filter element installation through groove hollow hole and is fitted and installed with the installation end face of the air inlet cover.

2. The structure of a waterproof air filter for a motorcycle according to claim 1, wherein, The inner wall surface of the filter element installation through groove hollow hole is provided with an inwardly extending limiting edge (11). The top of the limiting edge is provided with a limiting vertical bar (12) that protrudes upward and limits and blocks the installation position of the bottom of the filter element. The top of the limiting edge is provided with a limiting horizontal plate (13) that extends horizontally and forms a gap with the bottom of the limiting edge; The gap formed between the limiting horizontal plate and the bottom of the limiting edge is a filter screen installation groove for clamping and installing the filter screen; The top height of the limiting horizontal plate is lower than the top height of the limiting vertical bar.

3. The structure of a waterproof air filter for a motorcycle according to claim 2, characterized in that, The air filter upper cover is provided with an air inlet cover installation hole (14). The air filter upper cover and the air inlet cover are mutually installed and fixed by a first screw (15) passing through the air inlet cover installation hole; The sealing strip installation groove and the side surface of the air inlet cover installation hole form an integrally formed structure that is connected.

4. The structure of a waterproof air filter for a motorcycle according to claim 3, characterized in that, The top of the air filter upper cover is also provided with a half-circle flanging (16) that protrudes upward and is arranged around half of the area of the air filter upper cover.

5. A structure of a waterproof air filter for a motorcycle according to claim 4, characterized in that, The air filter upper cover and the air filter main body are mutually installed and fixed by a second screw (17).

6. The structure of a waterproof air filter for a motorcycle according to claim 5, characterized in that, The bottom of the air inlet rubber sleeve is provided with a clamping convex column, and the air inlet rubber sleeve is snap-fitted and installed on the top of the air inlet cover through the clamping convex column.

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