CN207847827U - Air filter structure - Google Patents

Abstract

This patent discloses air filter structures, and in particular to the field of engine.Air filter structure, including shell and the air inlet, the exhaust outlet that are arranged on shell, the shell, which is equipped with, is used for rear mud guarding epimere and the fixed installing mechanism of side cover, the air inlet is located at shell side, it is connected with inlet throat on the air inlet, it is additionally provided with canister in the air inlet, echo case is equipped in the inlet throat, the bottom of the inlet throat is connected with resonator, the exhaust outlet is located at the bottom of shell, the exhaust outlet is equipped with exhaust pipe, and the exhaust pipe is flat, is set on the exhaust pipe there are two gas outlet.The problem of not designing side cover installation site in existing air filter, assembly space is caused to waste is overcome using technical solutions of the utility model, the air filter that can be used on motor cycle.

Description

Air filter structure

Technical field

The utility model is related to the fields of engine, more particularly to air filter structure.

Background technology

The effect of air cleaner (being commonly called as air filter) is to prevent the grains of sand and dust from flowing into engine aspirating system, maintenance hair Cylinder, piston and the piston ring of motivation, extending the service life of engine keeps engine fuel burning abundant, in order to avoid remove dust pair The abrasion of engine, and then ensure effective extension played with service life of engine power, while reducing the dirt to environment Dye.

For motorcycle, in order to reduce the air drag in driving process, often setting in each structure of motorcycle Coordinate as possible compact on meter, existing air filter is typically mounted in the box near engine, it then again will with side cover Air filter outer closures, since existing side cover installation site is provided separately on vehicle frame so that side cover occupies larger Assembly space.

Utility model content

The utility model is intended to provide air filter structure, is not combined with to solve existing air filter and is set with side cover installation site The problem of counting, side cover assembly space caused to waste.

In order to achieve the above object, the base case of the utility model is as follows：Air filter structure, including shell and setting exist Air inlet, exhaust outlet on shell, the shell be equipped be used for rear mud guarding epimere and the fixed installing mechanism of side cover, it is described into Gas port is located at shell side, and inlet throat is connected on the air inlet, echo case, the air inlet are equipped in the inlet throat The bottom of trunnion is connected with resonator, and canister is additionally provided in the air inlet, and the exhaust outlet is located at the bottom of shell, the row Gas port is equipped with exhaust pipe, and the exhaust pipe is flat, is set on the exhaust pipe there are two gas outlet.

The principle of base case：This air filter structure is mounted on motorcycle, then by the installing mechanism on shell, it will Rear mud guarding epimere and side cover are mounted in air filter, this mode installs the assembly space that can largely save motorcycle so that motor Vehicle body structure is compacter.

During motorcycle driving, extraneous air is entered by inlet throat in air filter, due to inlet throat Echo case is inside installed, outside air can be effectively reduced and pour into generated noise when air filter, reduce noise pollution.When When air passes through resonator in inlet throat, resonator also plays the effect for reducing noise in inlet throat, further subtracts The small noise pollution of motorcycle, and when a large amount of air constantly pours into inlet throat, resonator also plays institute into air Stable effect is buffered, keeps the air entered in air filter more uniform and stable, to indirectly improve engine intermediate fuel oil Efficiency of combustion；And when motorcycle passes through ponding road surface, it can be sucked in air filter when water body jumps on inlet throat, water body is drawn to Section becomes larger when resonator, would not cause the suction of vacuum by water body toward interior suction, be inhaled by air filter so as to avoid by water Enter in engine, extends the service life of engine.

When air enters canister by resonator, air can directly fully with the oil vapour that is adsorbed in canister, after mixing Mixed gas burnt by being directly entered in engine after air filter, further improve the utilization rate of motorcycle intermediate fuel oil. When air is directly entered into the exhaust pipe for crossing housing bottom in engine after canister, and flat design can be further Saving air filter assembly space, and two gas outlets on exhaust pipe ensure that stable air capacity, improve and start The combustion rate of machine intermediate fuel oil.

The advantages of base case：Compared with prior art, 1, this air filter structure has preset rear mud guarding epimere and side cover Rear mud guarding epimere and side cover can be mounted in air filter, without installation site is separately provided on vehicle frame, significantly by installing mechanism Save the assembly space of rear mud guarding epimere and side cover so that the overall structure of motorcycle is compacter；2, canister setting into At gas port, the oil vapour adsorbed on canister can be made fully to converge with air, improve the utilization ratio of this part oil vapour；3.、 Echo case on inlet throat can reduce the noise generated when air inlet, reduce noise pollution；4, inlet throat bottom is also connected with There is resonator, can further decrease the environmental pollution of noise, and also can avoid to splash when motorcycle passes through ponding road surface Water sucks in air filter, is effectively protected engine, extends the service life of engine.

Preferred embodiment one：As the preferred embodiment of basic scheme, the installing mechanism includes the peace for being fixed on shell right end Loading board and three side cover holes being fixed on shell front and rear sides are provided with mounting hole, a side cover hole on the mounting plate Positioned at housing forward end, side cover hole is located at housing rear end described in another two, by above-mentioned setting, can connect two side covers and side cover hole It connects, wherein only there are one the side cover parts in side cover hole may be mounted on vehicle frame for connection, realizes the reasonable utilization of assembly space, And rear mud guarding epimere is fixed on mounting hole, and the two is greatly saved by the way that rear mud guarding epimere and side cover to be fixed in air filter Assembly space on vehicle frame so that body structure is compacter.

Preferred embodiment two：Preferably one preferred embodiment is each equipped with internal thread in the side cover hole, passes through Above-mentioned setting, threaded connection can be easily installed and dismantle.

Preferred embodiment three：The junction of preferably two preferred embodiment, the inlet throat and air inlet is equipped with Sealing ring enhances the leakproofness of inlet throat by above-mentioned setting, improves the efficiency of air-breathing.

Preferred embodiment four：The air inlet of preferably three preferred embodiment, the inlet throat is equipped with filter membrane, leads to Above-mentioned setting is crossed, can effectively prevent from sucking the impurity in air together when air inlet.

Description of the drawings

Fig. 1 is the front view of the utility model air filter structure；

Fig. 2 is the rearview of the utility model air filter structure.

Specific implementation mode

The utility model is described in further detail below by specific implementation mode：

Reference numeral in Figure of description includes：Shell 1, inlet throat 2, resonator 3, exhaust pipe 4, mounting plate 5, side Cap bore 6.

Embodiment is substantially as shown shown in Figure 1 and Figure 2：Air filter structure, including shell 1 and be arranged on shell 1 into Gas port, exhaust outlet, shell 1, which is equipped with, is used for rear mud guarding epimere and the fixed installing mechanism of side cover, and installing mechanism includes being fixed on The mounting plate 5 of 1 right end of shell and three side cover holes 6 being fixed on 1 front and rear sides of shell, be equipped in each side cover hole 6 in Screw thread can be connected through a screw thread and rear mudguard epimere and side cover are threaded in air filter, convenient for the peace installation and dismantling of the two It unloads, improves the efficiency of assembling.Mounting hole is provided on mounting plate 5, a side cover hole 6 is located at 1 front end of shell, another two side cover hole 6 are located at 1 rear end of shell.

Air inlet is located at the left side of shell 1, and inlet throat 2 is connected on air inlet, and the air inlet of inlet throat 2 is equipped with Filter membrane, filter membrane can effectively prevent from sucking the impurity in air together when air inlet.The connection of inlet throat 2 and air inlet Place is equipped with sealing ring, enhances the leakproofness of inlet throat 2, improves the efficiency of air-breathing.Echo is installed in inlet throat 2 The bottom of case, inlet throat 2 is connected with resonator 3, and canister is also equipped in air inlet, and exhaust outlet is located at the bottom of shell 1, row Gas port is equipped with exhaust pipe 4, and exhaust pipe 4 is flat, is set on exhaust pipe 4 there are two gas outlet.

In the present embodiment, this air filter structure is mounted on motorcycle, then two side covers are connect with side cover hole 6, In only connection may be mounted on vehicle frame there are one the side cover part in side cover hole 6, realize the reasonable utilization of assembly space, then Gear mud epimere is fixed on mounting hole, and the two is greatly saved in vehicle by the way that rear mud guarding epimere and side cover to be fixed in air filter Assembly space on frame so that body structure is compacter.

During motorcycle driving, extraneous air is entered by inlet throat 2 in air filter, due to inlet throat Echo case is installed in 2, outside air can be effectively reduced and pour into generated noise when air filter, reduce noise pollution. When air passes through resonator 3 in inlet throat 2, resonator 3 also plays the effect for reducing noise in inlet throat 2, into One step reduces the noise pollution of motorcycle, and when a large amount of air constantly pours into inlet throat 2, resonator 3 is also to institute Play buffering stabilization into air, keeps the air entered in air filter more uniform and stable, start to indirectly improve The efficiency of combustion of machine intermediate fuel oil；And when motorcycle passes through ponding road surface, air filter can be sucked when water body jumps on inlet throat 2 In, section becomes larger when water body is drawn to resonator 3, would not cause the suction of vacuum by water body toward interior suction, so as to avoid by water It is sucked in engine by air filter, extends the service life of engine.

When air enters canister by resonator 3, air can directly fully with the oil vapour that is adsorbed in canister, after mixing Mixed gas burnt by being directly entered in engine after air filter, further improve the utilization rate of motorcycle intermediate fuel oil. When air is directly entered into the exhaust pipe 4 for crossing shell 1 bottom in engine after canister, and flat design can be into one The assembly space of the saving air filter of step, and two gas outlets on exhaust pipe 4 ensure that stable air capacity, improve hair The combustion rate of motivation intermediate fuel oil.

The above are merely the embodiments of the present invention, in scheme, the common sense such as well known concrete structure and/or characteristic are herein It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with The effect and patent practicability that the utility model is implemented.This application claims protection domain should be with the content of its claim Subject to, the records such as specific implementation mode in specification can be used for explaining the content of claim.

Claims (5)

1. air filter structure, including shell and the air inlet, the exhaust outlet that are arranged on shell, which is characterized in that on the shell Equipped with for rear mud guarding epimere and the fixed installing mechanism of side cover, the air inlet is located at shell side, connects on the air inlet It is connected to inlet throat, is equipped with echo case in the inlet throat, the bottom of the inlet throat is connected with resonator, the air inlet Canister is additionally provided in mouthful, the exhaust outlet is located at the bottom of shell, and the exhaust outlet is equipped with exhaust pipe, and the exhaust pipe is flat It is flat-shaped, it is set on the exhaust pipe there are two gas outlet.

2. air filter structure according to claim 1, it is characterised in that：The installing mechanism includes being fixed on shell right end Mounting plate and three side cover holes being fixed on shell front and rear sides, be provided with mounting hole, a side on the mounting plate Cap bore is located at housing forward end, and side cover hole is located at housing rear end described in another two.

3. air filter structure according to claim 2, it is characterised in that：It is equipped with internal thread in each side cover hole.

4. air filter structure according to claim 3, it is characterised in that：The junction of the inlet throat and air inlet is set There is sealing ring.

5. air filter structure according to claim 4, it is characterised in that：The air inlet of the inlet throat is equipped with filtering Film.