CN205532945U - Motorcycle engine air filter and motorcycle thereof - Google Patents

Abstract

The utility model discloses a motorcycle engine air filter and motorcycle thereof, casing including airtight setting, the casing includes the last casing and lower casing of detachable connection, it separates into it air intake chamber and gives vent to anger the cavity to be equipped with the baffle in the inner chamber of last casing, air intake chamber's volume is less than the volume in the internal chamber of inferior valve, the lower surface of baffle flushes with the inner chamber actinal surface of last casing, the outlet duct that the external surface of epitheca was equipped with the intake pipe that communicates with air intake chamber respectively and communicate with the cavity of giving vent to anger, the interior accent of casing inlays to be equipped with with the corresponding part of cavity of giving vent to anger and to make the air through just carrying out filterable filtration box to it down, the upper surface of filtration box flushes with the inner chamber actinal surface of lower casing. The utility model discloses simple structure, it is convenient easy to dismantle, can reduce the velocity of flow that enters into its inside air to the extension makes the air fully filtered through the time of filtration box, has improved air purifying power.

Description

Motorcycle engine air filter and its motorcycle

technical field

The utility model relates to a motorcycle, in particular to a motorcycle engine air filter and the motorcycle.

Background technique

The motorcycle engine air filter is a device to remove the sundries entering the carburetor air, prevent dust from entering the cylinder and accelerate the wear of parts, and prolong the service life of the engine. At present, the motorcycle engine air filter is composed of: the air filter intake pipe, the air filter housing, the air filter outlet pipe, and the filter element. Then it is sent to the engine through the air filter outlet pipe. However, when this kind of air filter filters the air, the air directly contacts the filter element after entering the housing from the intake pipe, and its flow rate is quite fast, leaving the filter element to filter for a relatively short time, so that the sundries in the air will be there. Part of it is not filtered clean, and then enters the engine through the filter element, causing wear to the cylinder and other components.

Utility model content

Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by the utility model is: how to provide a motorcycle engine air filter and its motorcycle that can reduce the air velocity and improve the air purification ability.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

An air filter for a motorcycle engine, comprising an airtight casing, characterized in that: the casing includes an upper casing and a lower casing that are detachably connected, and a partition is arranged in the inner cavity of the upper casing In order to divide the inner chamber into two left and right chambers, one chamber is an air inlet chamber, and the other chamber is an air outlet chamber, and the volume of the air inlet chamber is smaller than the volume of the inner chamber of the lower housing, so The lower surface of the partition is flush with the inner cavity surface of the upper casing, and the outer surface of the upper casing is respectively provided with an air inlet pipe communicating with the air inlet chamber and an outlet pipe communicating with the air outlet chamber. The air pipe, the inner cavity of the lower shell and the corresponding part of the air outlet chamber are embedded with an air filter box capable of passing air and filtering it, and the upper surface of the air filter box is connected to the lower shell The inner cavity of the body is flush with the oral surface.

In the utility model, the air enters the air intake chamber located in the upper housing through the air intake pipe, and enters the inner cavity of the lower housing through the air intake chamber, because the volume of the air intake chamber is smaller than that in the lower housing The volume of the cavity, the flow rate of the air will drop after entering the inner cavity of the lower shell. In addition, since the air inlet chamber and the air outlet chamber are respectively located on both sides of the shelf, the air entering the inner cavity of the lower shell through the air inlet chamber must turn around in the inner cavity of the lower shell and then enter the air outlet chamber through the air filter box in the room. The air will lose a certain amount of kinetic energy in the process of turning, which will inevitably have a certain impact on its flow rate and reduce it. Then after the air flow rate is reduced, the time to pass through the air filter box will inevitably increase, thereby improving the ability to purify the air, preventing debris from entering the engine and causing damage to the cylinder and other components, and improving the service life of the engine.

As an optimization, the air filter box includes a box body with an open upper end, the box body is embedded with a filter element capable of filling the inner cavity of the box body, and the lower surface of the box body is a criss-cross arrangement of filter element support ribs, The cavity wall of the inner cavity of the lower housing is respectively provided with a transverse step surface and a longitudinal rib for supporting the box body, and the lower surface of the box body is placed on the transverse step surface and the longitudinal rib respectively. on the upper surface of the tendons. The box body is placed on the horizontal step surface and longitudinal ribs on the inner cavity wall of the lower shell, which is convenient for disassembly and replacement of the filter element, which makes maintenance more convenient. In addition, the horizontal step surface and longitudinal ribs can also increase the strength to avoid its deformation and damage.

As an optimization, the inner bottom surface of the lower casing is fixedly connected with a plurality of support columns capable of abutting against and supporting the lower surface of the box body, and the columns of the support columns are fixed at regular intervals along the circumferential direction A plurality of reinforcement ribs extending along the axial direction of the support column are connected, the upper surface of the reinforcement rib abuts against the lower surface of the box body, and the lower surface of the reinforcement rib is fixedly connected to the lower casing On the inner bottom surface of the lower housing, a mounting groove is recessed at a position corresponding to the supporting column, and the supporting column and the lower surface of the reinforcing rib are respectively fixedly connected to the bottom of the mounting groove. The cavity wall of the inner cavity of the lower housing can only support the edge of the box body, and adding support columns can also support the middle part of the box body, further increasing the stability of the box body. In addition, the reinforcing ribs arranged on the supporting column can also provide guidance for the air in the inner cavity of the lower casing. After the air enters the inner cavity of the lower casing, it needs to turn around before passing through the air filter box, and the supporting column will prevent the air flow. There is a certain amount of spoiler in the direction. The reinforcing ribs arranged along the axial direction of the supporting column can not only increase the strength of the supporting column, but also guide the airflow passing through the supporting column so that the airflow enters the air filter box upward along the axial direction of the supporting column.

As an optimization, a ring of grooves is recessed along the edge of the inner cavity of the lower housing on the contact surface between the lower housing and the upper housing, and a ring of rubber sealing rings is embedded in the grooves. On the contact surface of the upper shell and the lower shell and corresponding to the groove, a ring of bumps protrude. When the upper shell and the lower shell are connected together, the bumps A block can extend into the groove to squeeze the rubber sealing ring. When the upper shell and the lower shell are connected together, the protrusion on the upper shell is inserted into the groove on the lower shell and squeezes the rubber sealing ring in the groove. After the rubber sealing ring is squeezed, the The elastic deformation can fill the gap between the upper casing and the lower casing, improves the airtightness of the casing, and prevents impurities in the air from entering the air outlet chamber.

The utility model also discloses a motorcycle, which includes an engine installed on the frame, and is characterized in that: an air filter is installed on the frame in front of the engine, and the air filter is the The motorcycle engine air filter, the outer surface of the upper casing on the motorcycle engine air filter is fixedly connected with a mounting bracket, the mounting bracket is connected with the frame through bolts, and the air outlet pipe on the motorcycle engine air filter The air inlet pipe and the air inlet pipe respectively extend towards the rear of the vehicle frame, and the air outlet pipe communicates with the air inlet of the engine. The motorcycle engine air filter is installed in front of the engine, so that the air outlet pipe on the motorcycle engine air filter can be easily connected with the air intake of the engine, reducing the loss of air pressure and improving the power of the engine. In addition, the intake pipe on the air filter of the motorcycle engine extends toward the rear, which can prevent the sundries in front of the motorcycle from directly entering into the casing when the motorcycle is running.

To sum up, the beneficial effects of the utility model are: the utility model is simple in structure, easy to disassemble, can reduce the flow rate of the air entering its interior, and prolong the time of passing through the air filter box, so that the air can be fully filtered and improve the Air purification ability.

Description of drawings

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the outline structural representation of motorcycle engine air filter in the utility model;

Fig. 2 is a schematic diagram of the structure of the inner cavity of the upper housing in Fig. 1;

Fig. 3 is a schematic diagram of the internal structure of the lower housing in Fig. 1;

FIG. 4 is a schematic structural diagram of the lower housing in FIG. 1 .

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 to 4, the motorcycle engine air filter in this specific embodiment includes a hermetically arranged casing, the casing includes an upper casing 1 and a lower casing 2 that are detachably connected, and the The inner cavity of the upper casing 1 is provided with a partition 3 to divide the inner cavity into two left and right chambers, one of which is an air inlet chamber, and the other chamber is an air outlet chamber. The volume is smaller than the volume of the inner cavity of the lower case 2, the lower surface of the partition 3 is flush with the inner cavity surface of the upper case 1, and the outer surface of the upper case 1 is respectively provided with The air inlet pipe 4 communicated with the air inlet chamber and the air outlet pipe 5 communicated with the air outlet chamber. For the air filter box for filtering, the upper surface of the air filter box is flush with the inner cavity surface of the lower casing 2 .

In this specific embodiment, the air filter box includes a box body 6 with an open upper end, the box body 6 is embedded with a filter element 7 capable of filling the inner cavity of the box body 6 , and the lower surface of the box body 6 The support ribs for the filter element are arranged in a criss-cross pattern, and the cavity wall of the inner cavity of the lower casing 2 is respectively provided with a transverse step surface 8 and a longitudinal convex rib 9 for supporting the box body 6, and the box body 6 The lower surface is respectively placed on the upper surface of the transverse step surface 8 and the longitudinal rib 9 .

In this specific embodiment, the inner bottom surface of the lower casing 2 is fixedly connected with a plurality of support columns 10 capable of abutting against the lower surface of the box body 6 and supporting it. The columns of the support columns 10 are along the A plurality of ribs 11 extending along the axial direction of the support column 10 are fixedly connected at even intervals in the circumferential direction, and the upper surface of the ribs 11 abuts against the lower surface of the box body 6, and the ribs The lower surface of 11 is fixedly connected to the inner bottom surface of the lower casing 2, and the inner bottom surface of the lower casing 2 is recessed with a mounting groove corresponding to the support column 10, and the support column 10 and the reinforcement The lower surfaces of the ribs 11 are respectively fixedly connected to the groove bottoms of the installation grooves.

In this specific embodiment, a ring of grooves 12 is recessed along the edge of the inner cavity of the lower casing 2 on the contact surface between the lower casing 2 and the upper casing 1, and the groove 12 is embedded A ring of rubber sealing ring 13 is installed, and a ring of bumps 14 protrudes from the contact surface between the upper housing 1 and the lower housing 2 and corresponding to the groove 12. When the upper housing 1 When being connected with the lower casing 2 , the protrusion 14 can extend into the groove 12 to squeeze the rubber sealing ring 13 .

A motorcycle, comprising an engine installed on a frame, a motorcycle engine air filter is also installed on the frame located in front of the engine, the outer surface of the upper casing 1 on the motorcycle engine air filter is fixed A mounting bracket is connected, and the mounting bracket is connected with the vehicle frame by bolts. The air outlet pipe 5 and the air intake pipe 4 on the air filter of the motorcycle engine extend towards the rear of the vehicle frame respectively and the air outlet pipe 5 is connected to the vehicle frame. The air inlet is connected.

In a specific implementation process, the volume of the air inlet chamber is smaller than the volume of the air outlet chamber, and the inner wall of the air outlet chamber is fixedly connected with several reinforcing ribs for increasing its strength. In addition, shields 15 are provided on the outside of the housing and on both sides of the inlet chamber and the outlet chamber respectively, and are detachably connected to the housing, which can not only reduce air resistance, but also increase aesthetics.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described with reference to the preferred embodiment of the utility model, those of ordinary skill in the art should understand that, Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. a motorcycle engine air filter, housing including airtight setting, it is characterized in that: described housing includes upper shell and the lower house of detachable connection, the inner chamber of described upper shell is provided with dividing plate inner chamber to be separated into two chambers in left and right, one of them chamber is inlet plenum, another chamber is chamber of giving vent to anger, the volume of described inlet plenum is less than the volume of described lower housing cavity, the lower surface of described dividing plate flushes with the inner chamber actinal surface of described upper shell, described upper shell outer surface is respectively equipped with the air inlet pipe connected with described inlet plenum and the escape pipe with described chamber of giving vent to anger, the interior accent of described lower house is embedded with the described corresponding part of chamber of giving vent to anger and can bypass air through and it is carried out filtered air filter cartridge, the upper surface of described air filter box flushes with the inner chamber actinal surface of described lower house.

Motorcycle engine air filter the most according to claim 1, it is characterized in that: described air filter box includes the box body of upper end open, the filter element that can fill the most described box body inner chamber it is embedded with in described box body, the lower surface of described box body is the cartridge support muscle of crisscross setting, being separately provided for lateral step face and the longitudinal direction convex tendon being supported described box body in the cavity wall of described lower housing cavity, the lower surface of described box body is individually positioned on the upper surface of described lateral step face and described longitudinal convex tendon.

Motorcycle engine air filter the most according to claim 2, it is characterized in that: the inner bottom surface of described lower house is fixedly connected with many can be connected to described box body lower surface the support column supported, the shaft of described support column is fixedly connected with the many reinforcements extended along described support column axial direction along its circumferential direction uniform intervals, the upper surface of described reinforcement is connected to the lower surface of described box body, the lower surface of described reinforcement is fixedly connected on the inner bottom surface of described lower house, described lower house inner bottom surface and described support column opposite position are arranged with mounting groove, the lower surface of described support column and described reinforcement is respectively fixedly connected with on the bottom land of described mounting groove.

Motorcycle engine air filter the most according to claim 1, it is characterized in that: on the contact surface of described lower house and described upper shell, the interior accent edge along described lower house is arranged with a circle groove, a circle rubber seal it is embedded with in described groove, it is convexly equipped with a circle projection on the contact surface of described upper shell and described lower house and with described groove opposite position, when described upper shell links together with described lower house, described rubber seal is extruded in can extend into described groove by described projection.

5. a motorcycle, including the electromotor being arranged on vehicle frame, it is characterized in that: be positioned on the described vehicle frame of described engine front and be also equipped with air filter, described air filter is the motorcycle engine air filter in the claims, upper shell outer surface in described motorcycle engine air filter is fixedly connected with mounting bracket, described mounting bracket is connected with described vehicle frame by bolt, and the escape pipe in described motorcycle engine air filter is respectively facing the extension of described vehicle frame rear with air inlet pipe and escape pipe connects with the air inlet of described electromotor.