CN217735629U

CN217735629U - Shell and air cleaner's shell structure under air strain

Info

Publication number: CN217735629U
Application number: CN202221352720.0U
Authority: CN
Inventors: 陈要永; 丁飞; 孙青山; 高玉龙
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-04
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a shell structure of an air filter lower shell and an air filter, the utility model discloses an air filter lower shell comprises a lower shell body, a curved pipe joint is arranged on the lower shell body, a liquid collecting part is arranged in the lower shell body, and a closed liquid collecting cavity is formed in the liquid collecting part; the curved through pipe interface is communicated with the liquid collecting cavity, and the liquid collecting cavity is provided with a discharge port communicated with the lower shell body. The air filter lower shell of the utility model can effectively ensure the pressure balance inside the crankcase by arranging the curved through pipe interface used for being connected with the crankcase ventilation system; in addition, through the collection liquid portion that sets up the collecting chamber in this internal setting of casing down to set up the discharge port with this internal intercommunication of casing down in the collecting portion, can make the collecting chamber collect the fluid mixture that separates from the crankcase, and can discharge fluid mixture to this internal through the discharge port in the casing down.

Description

Shell and air cleaner's shell structure under air strain

Technical Field

The utility model relates to an air cleaner spare part technical field, in particular to empty casing under straining, simultaneously, the utility model discloses still relate to an air cleaner's shell structure who has this empty casing under straining shell.

Background

The air filter is used as a core component of an engine air inlet system, aims to provide clean air for combustion in an engine, can filter dust, rainwater, sand particles and other various impurities in the air, and effectively reduces the abrasion of parts such as cylinders, pistons, piston rings and the like in the engine. The air filter not only filters air, but also has the function of inhibiting noise, and can effectively reduce noise of an air inlet by utilizing the reflection of sound waves by matching with peripheral pipelines and other noise elimination elements, thereby improving the NVH performance of the whole vehicle.

The common air filter generally comprises an inertia type air filter, a filtering type air filter, an oil bath type air filter, a comprehensive type air filter and the like, wherein most of cars and motorcycles adopt the filtering type air filter, air in the atmosphere enters from an air filter air inlet, dust particles in the atmosphere are bonded on the surface of a filter element through the filtering of the filter element, and filtered clean gas enters an engine from an air outlet, and then forms combustible mixed gas with fuel oil to combust the engine. The existing air filter mainly comprises an upper shell, a filter element and a lower shell, has single function and has lower utilization rate of the whole vehicle arrangement space.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an empty casing under straining, it can be connected with crankcase ventilation system, and effectively guarantees the pressure balance of crankcase inside to can collect the fluid mixture that separates from the crankcase.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an air filter lower shell comprises a lower shell body, wherein a curved through pipe connector is arranged on the lower shell body, a liquid collecting part is arranged in the lower shell body, and a closed liquid collecting cavity is formed in the liquid collecting part;

the curved through pipe interface is communicated with the liquid collection cavity, and the liquid collection part is provided with a discharge port communicated with the lower shell body.

Furthermore, a drain pipe is arranged on the lower shell body, and a switch part for controlling the on-off of the drain pipe is arranged on the drain pipe.

Further, be equipped with secondary air joint down on the casing body, secondary air joint is used for connecting secondary air injection system, just be equipped with the first installation department that is used for installing the secondary air valve down on the casing body.

Furthermore, be equipped with the second installation department that is used for installing the TCU support down on the casing body.

Furthermore, be equipped with the third installation department that is used for air cleaner self to install down on the casing body.

Furthermore, the third installation part comprises a plurality of installation lugs arranged on the lower shell body, and each installation lug is connected with an installation sleeve through a vibration damping body.

Furthermore, an air filtering air port is formed in the lower shell body, an inner insertion tube is arranged in the air filtering air port, one end of the inner insertion tube is located in the lower shell body, and the other end of the inner insertion tube is located outside the lower shell body.

Further, the part of the inner insertion tube positioned in the lower shell body is curved.

Compared with the prior art, the utility model discloses following advantage has:

the air filter lower shell of the utility model can effectively ensure the pressure balance inside the crankcase by arranging the curved through pipe interface which is used for connecting with the crankcase ventilation system; in addition, through the collection liquid portion that sets up the collecting chamber in this internal setting of casing down to set up the discharge port with this internal intercommunication of casing down in the collecting portion, can make the collecting chamber collect the fluid mixture that separates from the crankcase, and can discharge fluid mixture to this internal through the discharge port in the casing down.

In addition, the lower shell body is provided with a drain pipe and a switch part for controlling the on-off of the drain pipe, and the oil liquid mixture in the lower shell body can be discharged by opening the drain pipe. The secondary air joint for connecting the secondary air injection system is arranged, so that clean air can be extracted from the lower shell body, and the pollutant emission standard of the engine can be reduced.

In addition, each mounting lug is connected with a mounting sleeve through a vibration damping body, so that the air filter has a good vibration isolation effect when being mounted on a vehicle body. Be equipped with interior intubate in the air filter gas port to make the one end of interior intubate lie in casing body down, the other end lies in casing body down, and this external amortization structure can be formed to this structure, thereby can improve the noise cancelling effect of air filter gas outlet department.

Another object of the utility model is to provide an air cleaner's shell structure, including empty casing of straining, and as above empty casing of straining, just empty air filter is last to be equipped with empty air inlet of straining on the casing.

Furthermore, the air filter air inlet comprises a front air inlet and a rear air inlet which are arranged on the air filter upper shell, and the front air inlet and the rear air inlet are oppositely arranged.

Air cleaner's shell structure, it is the same with the beneficial effect that the shell has for prior art under the above-mentioned air cleaner, no longer give unnecessary details here.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of an air filter lower housing according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of the lower housing of the air filter according to the first embodiment of the present invention at another viewing angle;

fig. 3 is a schematic structural view of the lower housing of the air filter according to the first embodiment of the present invention at another viewing angle;

fig. 4 is a schematic view of a partial structure of an air filter lower housing according to a first embodiment of the present invention;

fig. 5 is a schematic partial structural view of the lower air filter housing according to the first embodiment of the present invention at another viewing angle;

fig. 6 is a schematic structural diagram of a first inner insert according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a third mounting portion according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of an air cleaner according to a second embodiment of the present invention;

fig. 9 is a schematic structural view of an air cleaner according to a second embodiment of the present invention from another perspective;

fig. 10 is a schematic structural view of an air cleaner according to a second embodiment of the present invention from a further viewing angle;

FIG. 11 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 10;

FIG. 12 is a cross-sectional view taken along line B-B of FIG. 10;

fig. 13 is a cross-sectional view taken along line C-C of fig. 10.

Description of reference numerals:

1. a lower housing body;

101. a curved through pipe interface; 102. a drain pipe; 103. a water pipe plug; 104. air filter air port; 105. a secondary air connection;

106. mounting lugs; 1061. a vibration damping body; 1062. installing a sleeve;

107. mounting holes; 108. a lower connecting plate; 109. a liquid collecting part; 1091. an outlet port; 1092. a cover body; 1093. connecting columns; 1094. a liquid collecting tank;

1010. a mounting seat; 1011. a water outlet; 1012. a first inner cannula; 10121. a card slot; 10122. mounting grooves;

2. an air filter upper shell;

201. a front air inlet; 202. a rear air inlet; 203. a second inner cannula; 204. a third inner cannula;

3. and (3) a filter element.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The embodiment relates to an air filter lower shell, which comprises a lower shell body 1, wherein a crank pipe connector 101 is arranged on the lower shell body 1, a liquid collecting part 109 is arranged in the lower shell body 1, and a sealed liquid collecting cavity is formed in the liquid collecting part 109. The curved through pipe interface 101 is communicated with the liquid collecting cavity, and the liquid collecting cavity is provided with an outlet 1091 communicated with the interior of the lower shell body 1.

The air filter lower shell of the embodiment can effectively ensure the pressure balance in the crankcase by arranging the curved through pipe connector 101 for connecting with the crankcase ventilation system; further, by providing the sump 109 having the sump chamber in the lower case body 1 and providing the drain 1091 communicating with the inside of the lower case body 1 in the sump 109, the oil mixture separated from the crankcase can be collected in the sump and can be discharged into the lower case body 1 through the drain 1091.

An exemplary structure of the air filtering lower case of the present embodiment is as shown in fig. 1 to 3, based on the above integral structure, in which the top of the lower case body 1 is open and the bottom thereof is provided with an air filtering air port 104. To facilitate connection with the air filter upper case 2 described below, a lower connection plate 108 is provided around the edge of the open end of the lower case body 1. And, a plurality of connection holes are provided at intervals on the lower connection plate 108 to be connected with the air filter upper case 2 described below by a fastener such as a bolt. In addition, be equipped with the seal groove that sets up around casing body 1 down on lower connecting plate 108 to place the sealing washer with filter core 3 butt, thereby can effectively guarantee the sealed effect between casing body 1 and the filter core 3 down.

As shown in fig. 2 and 3, the liquid collecting part 109 is provided at the bottom of the lower casing body 1, and includes a liquid collecting groove 1094 formed by the lower casing body 1 itself, and a cover 1092 covering the groove mouth of the liquid collecting groove 1094. Specifically, as shown in fig. 3, the discharge port 1091 is provided at the top of the wall of the sump 1094, and a communication port communicating with the curved pipe port 101 is provided at the bottom of the sump 1094. In this embodiment, as a specific implementation mode, in order to facilitate the fixing of the cover 1092, as shown in fig. 3, two connecting posts 1093 are disposed in the sump 1094 at intervals, and the two connecting posts 1093 penetrate the

covers

109 and 2 and are welded to the cover 1092. Of course, instead of this connection, the connection post 1093 may be screwed to the cover 1092, or other conventional connections may be used.

In addition, in order to discharge the oil-liquid mixture inside the lower casing body 1, as shown in fig. 1 to 3, a drain pipe 102 is provided on the lower casing body 1, and a switch portion for controlling on/off of the drain pipe 102 is provided on the drain pipe 102. In a specific structure, a water outlet 1011 is provided on the lower casing body 1, and the water outlet 1011 has a connection section extending outside the lower casing body 1, and the water discharge pipe 102 is connected to the connection section by a clip. Also, as a preferred embodiment, as shown in fig. 2 and 3, a drain port 1011 is provided at the lowest point of the vehicle-mounted position of the lower housing body 1, and a drain port 1091 on the liquid trap portion 109 is provided facing the drain port 1011 so that the oil-liquid mixture flows into the drain pipe 102.

As a possible implementation, as shown in fig. 1, the switching part of this embodiment is specifically a water pipe plug 103 that plugs the free end of the water discharge pipe 102. In addition, in order to discharge the oil mixture in the drain pipe 102 in time, as a preferred embodiment, the drain pipe 102 of this embodiment is made of a transparent material, such as polyvinyl chloride. Therefore, when the liquid collecting cavity is full of the oil-liquid mixture, the oil-liquid mixture is discharged to the drain pipe 102 through the discharge port 1091 at the top of the liquid collecting cavity, and when the drain pipe 102 is observed to be full of the liquid, the water pipe plug 103 can be opened to discharge the liquid.

It should be noted that, instead of the water pipe plug 103, the opening/closing portion may also be a valve provided on the water discharge pipe 102, for example, a valve body such as a ball valve.

In the present embodiment, in order to improve the use effect of the lower casing body 1, as shown in fig. 5, an inner insertion tube is provided in the air filtering air port 104, and one end of the inner insertion tube is located inside the lower casing body 1 and the other end is located outside the lower casing body 1. This structure can form noise-damping structure, not only can improve the noise-damping effect of air filtering gas port 104 department, also can play the effect that the guide air flows simultaneously. Wherein the inner insert within the air filter vent 104 is referred to as a "first inner insert 1012" for ease of description hereinafter.

In order to obtain better use effect, the portion of the first inner insert pipe 1012 in the lower housing body 1 is curved, so that the nozzle of the first inner insert pipe 1012 faces the third inner insert pipe 204, which is described below, thereby facilitating air to rapidly enter the first inner insert pipe 1012 after passing through the filter element 3, and further improving air outlet efficiency. The first inner insertion tube 1012 is specifically a rubber tube, and is structured as shown in fig. 6, a clamping groove 10121 is provided on an outer circumferential surface of the first inner insertion tube 1012, and the clamping groove 10121 can be connected to the lower housing body 1 in a clamping manner.

In addition, a mounting groove 10122 is provided at an end of the first inner insert 1012 located outside the lower case body 1, whereby the first inner insert 1012 can be connected to the throttle valve by means of a clip, and thus the sealing connection between the first inner insert 1012 and the engine can be effectively ensured. In the present embodiment, to improve the structural strength of the first inner plug 1012, a plurality of ribs are provided at intervals on the outer circumferential surface of the first inner plug 1012. In specific implementation, the length of the first inner insert 1012 can be adjusted for different cancellation frequencies to obtain better cancellation effect, but it is also possible to omit the first inner insert 1012.

In this embodiment, in order to further improve the using effect of the air filtering lower shell, as shown in fig. 3, a secondary air joint 105 is provided on the lower shell body 1, the secondary air joint 105 is used for connecting a secondary air injection system, and a first mounting part for mounting a secondary air valve is provided on the lower shell body 1. The first mounting portion of the present embodiment is specifically a mounting seat 1010 disposed adjacent to the secondary air joint 105. By arranging the secondary air joint 105 and the mounting seat 1010 and connecting the two through rubber pipes, the secondary air joint can be controlled by a vehicle Control Unit (ECU for short), and clean air is extracted from the lower shell body 1 according to the combustion condition of the engine by combining a secondary air system, so that the pollutant emission standard of the engine can be reduced.

In addition, as a further embodiment, as shown in fig. 1, a second mounting portion for mounting a TCU bracket for mounting a remote information Control Unit (TCU) is provided on the lower case body 1. In addition, the second mounting portion of the present embodiment includes three mounting holes 107 disposed above the curved pipe joint 101, and nuts are embedded in the mounting holes 107, so that the TCUs can be fixed to the lower casing body 1 by bolts. Specifically, three mounting brackets are provided on the lower case body 1 so as to protrude outward, and the mounting holes 107 are provided specifically on the mounting brackets. And, for the fixed effect of improvement to the TCU support, be connected with the strengthening rib between each mounting bracket and lower casing body 1.

In addition, in the present embodiment, the lower case body 1 is provided with a third mounting portion for mounting the air cleaner itself. The third mounting portion includes a plurality of mounting lugs 106 disposed on the lower housing body 1, and a mounting sleeve 1062 is connected to each mounting lug 106 through a damping body 1061. As shown in fig. 2, the mounting lugs 106 of the present embodiment are specifically three that are arranged at intervals along the circumferential direction of the lower housing body 1, and as shown in fig. 7, each mounting lug 106 is provided with an embedded hole, the outer circumferential surface of the vibration damping body 1061 is provided with an annular groove, the vibration damping body 1061 is inserted into the embedded hole, and the mounting lug 106 is clamped in the annular groove.

The mounting bushing 1062 of this embodiment is specifically T-shaped, and has a tubular body inserted into the damping body 1061, and a flange provided at one end of the tubular body, the flange being adapted to abut against a vehicle frame. The third installation part has better vibration isolation effect when the air filter is installed on the vehicle body by adopting the structure.

The casing is strained to air of this embodiment is through adopting above-mentioned structure, and it is integrated to have multiple structure, and the degree of integrating is better, can improve the utilization ratio to the whole car space, also can discharge the fluid mixture that the crankcase separated out from the drain pipe 102 simultaneously to the cleanliness factor of casing body 1 internal air down can effectively be guaranteed.

Example two

The embodiment relates to a shell structure of an air filter, which comprises an air filter upper shell 2 and an air filter lower shell, wherein an air filter air inlet is formed in the air filter upper shell 2.

An exemplary structure of the casing structure of the air cleaner of the present embodiment is shown in fig. 8 to 11, in which an upper connecting plate is provided on the upper casing 2 of the air cleaner corresponding to the lower connecting plate 108, and a sealing groove is also provided on the upper connecting plate to place a sealing ring abutting against the filter element 3, so that a sealing effect between the upper casing 2 of the air cleaner and the filter element 3 can be effectively ensured.

To enhance the use effect, the air filter inlet in the present embodiment includes a front inlet 201 and a rear inlet 202 provided on the air filter upper case 2, and the front inlet 201 and the rear inlet 202 are oppositely arranged. With this arrangement, air can be simultaneously taken into the air filter upper case 2 through the front air inlet 201 and the rear air inlet 202, and the air intake area can be increased. At this time, in order to reduce intake noise, as shown in fig. 11 and 12 in conjunction, a second inner insert tube 203 and a third inner insert tube 204 are inserted in the front intake port 201 and the rear intake port 202, respectively, to constitute a sound deadening structure, so that intake noise at the front intake port 201 and the rear intake port 202 can be reduced.

The second inner tube 203 and the third inner tube 204 are the same as the first inner tube 1012 in the overall configuration, except that the second inner tube 203 and the third inner tube 204 are straight tubes. In addition, in the implementation, the lengths of the second inner tube 203 and the third inner tube 204 may be adjusted for different cancellation frequencies. Further, the second inner tube 203 or the third inner tube 204 may be curved.

The shell structure of the air filter of the embodiment can enable the air filter to have a better integration degree by arranging the first air filter lower shell. And, set up preceding air inlet 201 and back air inlet 202, compared with conventional single air inlet structure, effectively increased the area of admitting air and intake efficiency. In addition, through a plurality of interior intubate, can effectively improve this shell structure's noise cancelling effect again to make the shell structure of this embodiment can have better result of use.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an empty casing down that strains, includes casing body (1) down, its characterized in that:

the lower shell body (1) is provided with a curved through pipe interface (101), a liquid collecting part (109) is arranged in the lower shell body (1), and a closed liquid collecting cavity is formed in the liquid collecting part (109);

the curved through pipe connector (101) is communicated with the liquid collecting cavity, and a discharge port (1091) communicated with the interior of the lower shell body (1) is formed in the liquid collecting part (109).

2. The air filter lower housing of claim 1, wherein:

the lower shell body (1) is provided with a drain pipe (102), and the drain pipe (102) is provided with a switch part for controlling the on-off of the drain pipe (102).

3. The air filter lower housing of claim 1, wherein:

be equipped with secondary air joint (105) down on casing body (1), secondary air joint (105) are used for connecting secondary air injection system, just be equipped with the first installation department that is used for installing the secondary air valve down on casing body (1).

4. The air filter lower housing of claim 1, wherein:

and a second mounting part for mounting the TCU bracket is arranged on the lower shell body (1).

5. The air filter lower housing of claim 1, wherein:

and a third mounting part for mounting the air filter is arranged on the lower shell body (1).

6. The air filter lower housing of claim 5, wherein:

the third mounting part comprises a plurality of mounting lugs (106) arranged on the lower shell body (1), and a mounting sleeve (1062) is connected to each mounting lug (106) through a damping body (1061).

7. The air filter lower housing according to any one of claims 1 to 6, wherein:

an air filtering air port (104) is formed in the lower shell body (1), an inner inserting pipe is arranged in the air filtering air port (104), one end of the inner inserting pipe is located in the lower shell body (1), and the other end of the inner inserting pipe is located outside the lower shell body (1).

8. The air filter lower housing of claim 7, wherein:

the part of the inner inserting tube, which is positioned in the lower shell body (1), is in a curved shape.

9. A shell structure of an air filter is characterized in that:

the air filter comprises an air filter upper shell (2) and the air filter lower shell as claimed in any one of claims 1 to 8, and an air filter air inlet is arranged on the air filter upper shell (2).

10. A casing structure of an air cleaner according to claim 9, wherein:

the air filter air inlet comprises a front air inlet (201) and a rear air inlet (202) which are arranged on the air filter upper shell (2), and the front air inlet (201) and the rear air inlet (202) are oppositely arranged.