CN216950619U

CN216950619U - Air inlet system of loader

Info

Publication number: CN216950619U
Application number: CN202120874954.0U
Authority: CN
Inventors: 刘军亭; 徐建波; 蔡仪俭
Original assignee: Shandong Weimeng Engineering Machinery Co ltd
Current assignee: Shandong Weimeng Engineering Machinery Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-07-12
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an air inlet system of a loader, which relates to the technical field of air inlet of the loader, and comprises a shell for installing a filter element and a sealing cover for sealing the filter element, a flange is arranged at one end of the shell and is attached to the sealing cover, a fastening ring for reinforcing connection is clamped and mounted at the outer side of the flange and the sealing cover, the shell is provided with an exhaust hole for connecting an air inlet pipe, the sealing cover is provided with an air inlet hole for sucking air, the sealed lid is installed and is used for conveniently inhaling the suction nozzle of air, the one end of suction nozzle sets up to preventing the inspiratory platykurtic of great particulate matter, has solved loader air intake system's inlet port and can't filter particulate matters such as great gravel and sand, and inspiratory air has increased air cleaner burden, and air intake system's air cleaner receives the problem that appears the cap and drop after jolting easily.

Description

Air inlet system of loader

Technical Field

The utility model relates to the technical field of loader air inlet, in particular to an air inlet system of a loader.

Background

The air intake system is part of a vehicle system, generally used to meet the requirements of the engine, and is mainly used to input sufficient dry and clean air to the engine, so the air intake system requires drying and filtering of the air, as the loader belonging to the construction machinery is generally used in some construction projects such as railways, highways, buildings and the like, dust and particulate matters in the ambient air are large, and the road surface is uneven and bumpy frequently when the vehicle runs, the air inlet of the air inlet system of the existing loader can not filter larger particles such as sand and stone, the burden of the air filter is increased by the sucked air, and the shell cover of the air filter of the air intake system is easy to fall off after being bumped, so that the air intake system can not filter the particles in the air, further damaging the engine, and in order to solve the above-mentioned problems, an air inlet system of the loader is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an air intake system of a loader, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a loader air intake system, including air cleaner, the intake pipe, the idle valve, a control sensor, the inlet manifold, air cleaner is including the casing that is used for installing the filter core and the sealed lid that is used for sealed filter core, the one end of casing is provided with the flange, the flange is laminated with sealed lid, the tighrening ring that is used for the reinforcement connection is installed to the outside joint of flange and sealed lid, the casing is offered the exhaust hole that is used for connecting the intake pipe, sealed lid is offered and is used for the inlet port of inhaled air, sealed lid is installed and is used for conveniently inhaling the suction nozzle of air, the one end of suction nozzle sets up to preventing the inspiratory platykurtic of great particulate matter, the tighrening ring wraps up flange and sealed lid, prevent that it from droing, the flat mouth area of suction nozzle is greater than the inlet port, prevented when not influencing the air intake volume that great particulate matter from getting into air cleaner.

Preferably, the both ends of tighrening ring are provided with the fixed block, and both ends fixed block passes through bolted connection, screws up the spiral shell and can fix flange and sealed lid, prevents that sealed lid from droing.

Preferably, a coarse filter element is installed inside the shell, a fine filter element is installed inside the coarse filter element, the coarse filter element filters larger particles, and the fine filter element further filters the gas passing through the coarse filter element.

Preferably, the coarse filter element comprises a front end cover attached to the sealing cover, a rear end cover used for installing the fine filter element and filter paper used for filtering larger particles, the filter paper is installed between the front end cover and the rear end cover, air enters the shell, passes through the coarse filter element and the fine filter element, enters the middle of the fine filter element and is discharged subsequently.

Preferably, one side of the sealing cover is provided with a clamping block, and the shell is provided with a groove clamped with the clamping block, so that the connection between the sealing cover and the shell is further enhanced.

Preferably, the connecting part of the shell and the sealing cover, the connecting part of the front end cover and the sealing cover and the connecting part of the rear end cover and the shell are all provided with sealing gaskets for sealing, so that gas is prevented from being discharged without passing through the filter element.

Preferably, the inside of casing is provided with the dead lever that is used for fixed coarse filter element, thin filter element, prevents that the filter element from rocking.

Preferably, the suction nozzle is fixedly provided with a net fence for preventing larger particles from entering, so that air sucked into the shell is further filtered, and the load of the filter element is reduced.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the flange is arranged at one end of the shell, the flange is attached to the sealing cover, the fastening ring for reinforcing connection is arranged at the connecting part of the flange and the sealing cover, and the flange and the sealing cover are wrapped by the fastening ring to prevent the flange and the sealing cover from falling off, so that the problem that a shell cover easily falls off after an air filter of an air inlet system is bumped is solved.

According to the utility model, the air inlet nozzle for conveniently sucking air is arranged through the sealing cover, one end of the air inlet nozzle is arranged to be flat for preventing larger particles from being sucked, the flat opening area of the air inlet nozzle is larger than that of the air inlet hole, the air suction quantity is not influenced, and the larger particles are prevented from entering the air filter, so that the problems that the air inlet hole of the air inlet system of the loader cannot filter larger particles such as sand and stone, and the air filter is burdened by the sucked air are solved

Drawings

FIG. 1 is a schematic view of a package structure according to the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: 1. an air cleaner; 2. a housing; 21. a flange; 22. a groove; 23. an exhaust hole; 3. a sealing cover; 31. a clamping block; 32. an air inlet; 4. a fastening ring; 41. a fixed block; 5. an air inlet nozzle; 51. a net fence; 6. coarse filtration core; 61. a front end cover; 62. a rear end cap; 63. filtering paper; 64. a slot; 65. a gasket; 7. a fine filter element; 8. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present embodiment provides an intake system of a loader, which includes an air cleaner 1, an idle valve, an intake pipe, an intake manifold, and a control sensor.

Wherein, air cleaner 1 includes

casing

2, and 2 inside filter cores that are used for installing filtered air of casing, 2 openings of casing install sealed lid 3, and sealed lid 3 is used for sealing the filter core, and sealed lid 3 is connected through modes such as damping or screw thread going on with casing 2.

In order to fasten the sealing cover 3, the sealing cover 3 is placed to fall off due to vibration when a loader runs, a flange 21 is arranged at one end, close to the sealing cover 3, of the shell 2, the diameter of the outer ring of the flange 21 is consistent with that of the outer ring of the sealing cover 3, a fastening ring 4 is arranged at the connecting part of the flange 21 and the sealing cover 3, and the fastening ring 4 is clamped at the flange 21 and the side edge of the sealing cover 3.

The inner ring of the fastening ring 4 is provided with a groove which can be clamped with the flange 21 and the edge of the sealing cover 3, the sealing cover 3 can be prevented from falling off after the fastening ring 4 is clamped and installed, and the fastening ring 4 is preferably made of metal which has reversible elastic deformation.

For the convenience of installing the fastening ring 4, the two ends of the fastening ring 4 are fixedly connected with fixing blocks 41, the fixing blocks 41 are provided with through holes, and the fixing blocks 41 at the two ends of the fastening ring 4 are connected through the through holes by bolts.

Of course, the fixing block 41 is not limited to the bolt connection, and may be connected by a snap or the like as long as it is not easy to fall off.

In order to enable the gas filtered by the filter element to enter the air inlet pipe, the middle of one end, away from the sealing cover 3, of the shell 2 is provided with an exhaust hole 23, and the exhaust hole 23 is used for being connected with the air inlet pipe.

In order to suck the outside air into the housing 2 for filtering, the sealing cover 3 is opened with an air inlet 32.

Because the loader is more in the operating environment air of sand and stone and other bigger particulate matters, especially in windy weather, in order to prevent that the air entering the casing 2 through the air inlet 32 contains bigger particulate matters, the end of the sealing cover 3 far away from the casing 2 is provided with the air inlet nozzle 5, and the air inlet nozzle 5 is connected with the air inlet 32.

Wherein, the one end air inlet that the casing 2 was kept away from to the inlet nozzle 5 sets up to the platykurtic, and the length of flat mouth increases, and the height reduces, but the air inlet area is greater than inlet port 32, makes the inspiratory air quantity can not reduce, simultaneously because the height reduces, has prevented the entering of great particulate matter, has reduced the burden of inside filter core, has increased the life of filter core.

In order to better filter the air sucked into the housing 2, a coarse filter element 6 and a fine filter element 7 are installed inside the housing 2.

Wherein, thin filter element 7 fixed mounting is in the inside of coarse filter element 6, and inside the air admission casing 2, filter through coarse filter element 6, carry out the cavity inside through thin filter element 7 after the secondary filtration through thin filter element 7 at last and discharge from exhaust hole 23, the inside diameter of thin filter element 7 is unanimous with exhaust hole 23 diameter.

The coarse filter element 6 comprises a front end cover 61, a rear end cover 62 and filter paper 63, wherein the front end cover 61 is attached to the end face, close to the sealing cover 3, of the shell 2, the rear end cover 62 is provided with a through hole for conveniently mounting the fine filter element 7, and the filter paper 63 is fixedly mounted between the front end cover 61 and the rear end cover 62.

In order to strengthen the connection between the sealing cover 3 and the housing 2 and prevent the sealing cover 3 from falling off, a groove 22 is formed in one end, close to the sealing cover 3, of the housing 2, and a clamping block 31 capable of being clamped in the groove 22 is arranged at one end, close to the housing 2, of the sealing cover 3.

In order to prevent air from entering the filter element from the joints between the housing 2 and the sealing cover 3, between the front end cover 61 and the sealing cover 3, and between the rear end cover 62 and the housing 2, and to increase the sealing performance, sealing gaskets 65 are arranged at the joints between the housing 2 and the sealing cover 3, between the front end cover 61 and the sealing cover 3, and between the rear end cover 62 and the housing 2.

Among them, the gasket 65 is preferably made of rubber.

In order to prevent the loader in operation process, the filter core rocks inside casing 2, and casing 2 is inside to be provided with dead lever 8, and dead lever 8 is used for fixed coarse filter element 6 and thin filter element 7.

The exhaust hole 23 is provided with a support frame for fixing the fixing rod 8, the discharged gas can flow out from a gap of the support frame, the fixing rod 8 penetrates through the hollow position inside the thin filter element 7 to be connected with the front end cover 61, the front end cover 61 is provided with a slotted hole 64 for penetrating a screw, and one end of the fixing rod 8 close to the front end cover 61 is provided with a threaded hole matched with the screw.

Example 2

Referring to fig. 3, a further improvement is made on the basis of embodiment 1:

the flat inlet of the inlet nozzle 5 is provided with a net 51, and the net 51 is used to prevent the particles from entering the inside of the casing 2.

The preferred metal material that adopts of net fence 51, the metal material is comparatively tough, is difficult for being damaged by gravel and sand, and net fence 51 can make and further reduce through the particulate matter size that contains in the air of inlet nozzle 5 entering casing 2, has reduced the burden of filter core, has increased coarse filter element 6's life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a loader air intake system, includes air cleaner (1), intake pipe, idle valve, control sensor, air intake manifold, air cleaner (1) is including casing (2) that are used for installing the filter core and sealed lid (3) that are used for sealing up the filter core, its characterized in that: a flange (21) is arranged at one end of the shell (2), the flange (21) is attached to the sealing cover (3), and a fastening ring (4) for reinforcing connection is installed on the outer side of the flange (21) and the outer side of the sealing cover (3) in a clamping mode;

exhaust hole (23) that are used for connecting the intake pipe are seted up in casing (2), inlet port (32) that are used for the sucked air are seted up in sealed lid (3), inlet nozzle (5) that are used for making things convenient for the sucked air are installed in sealed lid (3), the one end of inlet nozzle (5) sets up to prevent the inspiratory platykurtic of great particulate matter.

2. The loader air intake system of claim 1, wherein: and two ends of the fastening ring (4) are provided with fixing blocks (41), and the fixing blocks (41) at two ends are connected through bolts.

3. The loader air intake system of claim 1, wherein: casing (2) internally mounted has coarse strainer (6), the internally mounted of coarse strainer (6) has thin filter core (7).

4. A loader air intake system according to claim 3 wherein: coarse strainer (6) include with front end housing (61) of sealed lid (3) laminating, be used for installing rear end cap (62) of thin filter core (7) and be used for filtering filter paper (63) of great particulate matter, filter paper (63) are installed between front end housing (61) and rear end cap (62).

5. The loader air intake system of claim 4, wherein: one surface of the sealing cover (3) is provided with a clamping block (31), and the shell (2) is provided with a groove (22) clamped with the clamping block (31).

6. The loader air intake system of claim 5, wherein: and sealing gaskets (65) for sealing are arranged at the connecting part of the shell (2) and the sealing cover (3), the connecting part of the front end cover (61) and the sealing cover (3) and the connecting part of the rear end cover (62) and the shell (2).

7. The loader air intake system of claim 6, wherein: the inside of casing (2) is provided with dead lever (8) that are used for fixed coarse filter element (6), thin filter element (7).

8. The loader air intake system of claim 1, wherein: the air inlet nozzle (5) is fixedly provided with a net fence (51) for preventing larger particles from entering.