CN213981002U - Filter structure for engineering machinery and engineering equipment - Google Patents

Filter structure for engineering machinery and engineering equipment Download PDF

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Publication number
CN213981002U
CN213981002U CN202022300755.7U CN202022300755U CN213981002U CN 213981002 U CN213981002 U CN 213981002U CN 202022300755 U CN202022300755 U CN 202022300755U CN 213981002 U CN213981002 U CN 213981002U
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air
filter
shell
outlet cylinder
air outlet
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CN202022300755.7U
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Chinese (zh)
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赵绍兴
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赵绍兴
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Abstract

The utility model relates to an automobile auxiliary parts technical field especially relates to filter structure and engineering equipment for engineering machine tool, including air filter. The air filtering device comprises a shell, a filter element and an air outlet cylinder, wherein the shell, the filter element and the air outlet cylinder are arranged from outside to inside, the filter element is in a cylindrical shape, and the air outlet cylinder is arranged at the bottom of the shell. An air inlet with a downward opening is arranged on the bottom wall of the shell outside the air outlet cylinder; the air storage cylinder is annular and is sleeved on the outer wall of the air outlet cylinder; the air storage cylinder is annular and is sleeved on the air outlet cylinder, so that the overall occupied space of the device is reduced, and the arrangement on the whole vehicle is facilitated; because the plane that the blade was located extends to the casing in to intersect with the outer wall of casing, when the blowback was given vent to anger, the air current carried the outside that the granule mostly fell on the gas receiver, reduces the outside that most fell on the gas receiver shell, reduces the gas receiver shell surface possibility of being corroded.

Description

Filter structure for engineering machinery and engineering equipment
Technical Field
The utility model relates to an automobile auxiliary parts technical field especially relates to filter structure for engineering machine tool.
Background
The paper core air filter is more and more common in modern automobile engines, and the maintenance method adopts a vibration method, a soft brush method or a compressed air blowback method to remove dust and dirt attached to the surface of the paper filter core.
Common compressed air blowback scheme is disassembled out the back to the filter core, beats gently at first then utilizes the compressed air of air compressor machine or vehicle to carry out the blowback in the filter core is inside to reach the clean ventilative effect of surface with the filter core. The paper filter element can be damaged by taking little attention, energy is wasted by utilizing compressed air for back blowing, secondary dust pollution to the surrounding environment is caused, the environment is not favorable for environmental protection, and if filter paper of the filter element is damaged, the filter paper needs to be directly replaced, so that great waste is caused; even if the filter core can be carefully maintained each time, the original performance of the paper filter core cannot be completely recovered, and the air inlet resistance of the paper filter core is increased, so that the paper filter core is replaced by a new filter core when the paper filter core needs to be maintained for 4 th time. If the paper filter element has the problems of breakage, perforation or degumming of the filter paper and the end cover, the paper filter element needs to be replaced immediately, and waste is caused.
Other blowback structures in market: a special air storage tank is arranged outside the air filter, and compressed air is output by conducting the electromagnetic valve to enter a back-blowing nozzle or high-pressure air is directly used for blowing the filter element. But the body length of blowback explosion head is too big, leads to empty filter volume increase, and the installation respectively of gas holder and filter moreover, spare part is in large quantity when arousing the field installation, and the installation performance and the sealing performance of joint can't be guaranteed, in addition the inconsistent condition of personnel's quality for gas leakage and the insecure hidden danger of connection can't predict more. Resulting in difficulty in use and maintenance for the customer and increased product instability. Causing customer dissatisfaction. But also results in shorter working times, increased maintenance times and reduced service life.
The inventor finds that the air storage tank needed by the existing back-blowing structure filter is often arranged at one position, and the installation of the filter device has unused space, which causes the waste of the space of the whole vehicle. And particulate matters such as dust after blowback are easily accumulated on the surface of the air storage cylinder below the shell, and the shell on the surface of the air storage cylinder is easily corroded under the condition of rainfall.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blowback formula air cleaner that engineering machine tool used solves the space that current blowback structure filter does not have make full use of, causes the waste in whole car space to and particulate matter such as dust falls on the gas receiver easily and piles up at the casing, corrode the problem of gas receiver surface casing.
In particular to a filter structure for engineering machinery, which comprises an air filtering device, wherein the air filtering device is communicated with the external air and the air path of an engine and is provided with a back blowing device, and is characterized in that,
the air filtering device comprises a shell, a filter element and an air outlet cylinder from outside to inside, wherein the filter element is cylindrical, a clean air cavity is formed in the filter element, and the air outlet cylinder is arranged at the bottom of the shell; the back-blowing device comprises an air inlet pipe, an air storage cylinder, an air duct and a back-blowing nozzle which are connected in sequence,
the air outlet cylinder supports the shell and is communicated with the clean air chamber; an air inlet with a downward opening is arranged on the bottom wall of the shell outside the air outlet cylinder; the air storage cylinder is annular and is sleeved on the outer wall of the air outlet cylinder; the air inlet is provided with blades distributed annularly.
The improved filter is characterized in that the shell is of a double-layer structure and comprises an inner wall and an outer wall, the outer side of the filter element is in contact with the inner wall of the shell, and the inner wall is provided with a through hole.
In a further improvement, the inside of the shell adopts a net structure.
In a further improvement, the outer wall of the air outlet barrel is provided with a longitudinal ribbed plate, and the top end of the ribbed plate supports the shell.
In a further improvement, the axis of the air cylinder coincides with the axis of the air outlet cylinder.
In a further improvement, one side of the air storage cylinder is provided with a high-pressure air inlet pipe, the other side of the air storage cylinder is provided with an air guide pipe, and the air guide pipe penetrates through the cylinder wall of the air outlet cylinder and enters the air outlet cylinder.
The improvement is that the air duct is provided with an electromagnetic valve, and the tail end of the air duct is provided with the back flushing nozzle;
the back-blowing spray head is arranged in the air filtering device, faces the clean air cavity and is detachably connected with the air guide pipe through a connecting piece.
In a further improvement, the blades are fixedly welded between the two concentric rings, the circle centers of the rings are positioned on the axis of the filter element, and the two rings are respectively fixed on the inner wall and the outer wall of the shell at the air inlet.
In a further improvement, the plane where the blades are located extends inwards the shell to be intersected with the outer wall of the shell, and extends outwards the shell to be not intersected with the air storage cylinder.
The utility model also provides an engineering equipment, including foretell filter structure for engineering machine tool.
Compared with the prior art, the beneficial effect of above one or more technical scheme:
(1) because the plane on which the blades are located extends inwards the shell and is intersected with the outer wall of the shell, the blades extend outwards the shell and are not intersected with the air storage cylinder. When air enters, the air rushes to the outer wall of the shell, so that part of large particles can be prevented from falling down and do not enter the filter element; when the air is discharged by back blowing, most of the air flow carrying particles fall outside the air storage cylinder, so that most of the air flow carrying particles fall outside the shell of the air storage cylinder, and the possibility of corrosion of the surface of the shell of the air storage cylinder is reduced.
(2) The gas outlet cylinder plays a role in supporting the shell while playing a role in passing through gas, a plurality of longitudinal ribbed plates are arranged on the outer side of the gas outlet cylinder, and the top ends of the ribbed plates support the bottom wall of the shell. The air outlet cylinder plays a role in ventilation and supporting at the same time, so that part of the bracket is saved, and the structure is simplified.
(3) The casing is for adopting bilayer structure, forms inside cavity formation air inlet chamber between outer wall and the inner wall, sets up the array through-hole or adopts network structure with the inner wall of filter core contact, and the air passes through casing diapire air inlet and gets into behind the air inlet chamber, and the rethread filter core, air can fully get into the filter core at shells inner wall, are favorable to the filter capacity of full play filter core.
(4) Because the air storage cylinder is annular and is sleeved on the air outlet cylinder, the space around the air outlet cylinder is fully utilized, the occupied space of the whole device is reduced, and the arrangement on the whole vehicle is facilitated.
Drawings
Fig. 1 is a schematic front view of a filter structure for construction machinery according to embodiment 1 of the present invention;
fig. 2 is a schematic front view of a blade arrangement of a filter structure for construction machinery according to embodiment 1 of the present invention;
figure 3 is a side view of the present invention of figure 1;
fig. 4 is a perspective view of fig. 1 according to the present invention; in the figure: 1. the air purifier comprises a shell, a filter element 2, an air inlet chamber 3, an electromagnetic valve 4, an air guide pipe 5, a connecting support 6, a mounting bottom plate 7, an air outlet cylinder 8, a controller 9, an air storage 10, a high-pressure air inlet pipe 11, blades 12, a connecting piece 13, an air inlet 14, a blowback nozzle 15, a clean air chamber 16, a first ring 17 and a second ring 18.
Detailed Description
Example 1
The utility model discloses a first embodiment provides a filter structure for engineering machine tool, as shown in FIG. 1, including air filter and blowback device, air filter communicates the gas circuit of outside air and engine, and the outside air supplies to the engine after air filter filters. The back-blowing device can provide reverse high-pressure air to the inside of the air filtering device, and blow out particles attached to the filter element.
As shown in fig. 1, the air filter device includes a housing 1 and a filter element 2 from outside to inside. The housing 1 is in the form of an inverted bucket, the bottom of which also has a bottom wall. The filter element, surrounded by the housing, is cylindrical with an annular cross-section and defines a clean air chamber 16 therein. One end of the air outlet cylinder 8 penetrates through the bottom wall of the shell to be communicated with the filter element, and the other end of the air outlet cylinder 8 is communicated with an air inlet pipeline of the engine.
The gas outlet cylinder 8 plays a role of supporting the shell while playing a role of passing gas. Specifically, a plurality of longitudinal rib plates are arranged on the outer side of the air outlet cylinder 8, and the top ends of the rib plates support the bottom wall of the shell. The air outlet cylinder plays a role in ventilation and supporting at the same time, so that part of the bracket is saved, and the structure is simplified.
Set up air inlet 14 at the casing diapire with the contact of play air cylinder 8, the air inlet opening is downward, when sleet weather, prevents that precipitation from getting into inside the casing, soaks the filter core.
In order to make can be as much as possible behind the air admission casing filter through the filter core, casing 1 is for adopting bilayer structure, forms inside cavity formation air intake chamber between outer wall and the inner wall, and the inner wall with the filter core contact sets up the array through-hole or adopts network structure, and the air passes through casing diapire air inlet and gets into behind the air intake chamber 3, rethread filter core 2, and the air can fully get into the filter core at shells inner wall, is favorable to the filter capacity of full play filter core.
As shown in fig. 1, the back-blowing device includes a high-intake pipe 11, an air reservoir 10, an air duct 5, and a back-blowing nozzle 15 connected in sequence, and the back-blowing nozzle 15 is disposed inside the air filtering device.
The air cylinder 10 is annular and is sleeved on the outer wall of the air outlet cylinder 8, and the axis of the air cylinder coincides with the axis of the air outlet cylinder. The blowback nozzle 15 is a cavity structure with a blowing hole and is arranged at the axis position of the air storage cylinder.
One side of the air storage cylinder is communicated with a high-pressure air inlet pipe 11, the other side of the air storage cylinder is communicated with an air guide pipe 5, and the air guide pipe 5 penetrates through the wall of the air outlet cylinder and enters the air outlet cylinder. The air duct is provided with an electromagnetic valve 4 controlled by a controller 9, and the blowback nozzle 15 is arranged at the tail end of the air duct 5. The blowback nozzle 15 faces the clean air chamber 16 and is detachably connected with the air duct by arranging a connecting piece 13. The air cylinder 10 is supported by the connecting bracket 6, and the connecting bracket 6 is fixedly installed on the installation bottom plate 7. The controller 9 includes a power supply control module, an output module, an input module, a CPU module, a logic control module, and the like to implement control functions.
Because the air cylinder 10 is annular and is sleeved on the air outlet cylinder 8, the space around the air outlet cylinder 8 is fully utilized, the occupied space of the whole device is reduced, and the arrangement on the whole vehicle is facilitated.
The working process of the technical scheme is as follows: when cleaning the filter core, the solenoid valve is closed when not needing the blowback, and when needing clean filter core, the solenoid valve is opened, and the high-pressure air in the air receiver dashes out from the blowback shower nozzle, blows off the particulate matter from the filter core, follows the gas from air inlet 14 and is blown off, then closes the solenoid valve, pressurizes the air receiver, prepares next blowback operation.
In order to solve the technical problem that particles such as dust are easy to fall on the air storage cylinder to be accumulated on the shell and corrode the shell on the surface of the air storage cylinder in the back blowing process, the air inlet 14 is provided with blades 12 distributed in an annular mode. The blades 12 are welded and fixed between a first circular ring 17 and a second circular ring 18 which are concentric, the first circular ring 17 is fixed on the inner wall of the shell at the air inlet, the circle center is on the axis of the filter element, and the second circular ring 18 is fixed on the outer wall of the shell at the air inlet.
The plane of the blades 12 extends inwards the shell and intersects with the outer wall of the shell, and extends outwards the shell and does not intersect with the air storage cylinder. When air enters, the air rotates to impact the inner wall of the shell 1, so that part of large-particle dust can be prevented from being positioned at the outer layer of the airflow and does not enter the filter element, and the air inlet efficiency is improved; when air is discharged through back blowing, the air flow carries particles adhered to the inner wall of the shell 1 and dust outside the filter element to be blown out from the air inlet 14 in a rotating mode, dust particles falling on the shell of the air cylinder are reduced from being accumulated, and the possibility that the surface of the shell of the air cylinder is corroded is reduced.
Example 2
The utility model also provides an engineering equipment includes the filter structure for engineering machine tool of embodiment 1, possesses the technological effect that the filter structure for engineering machine tool can bring.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A filter structure for engineering machinery comprises an air filtering device, the air filtering device is communicated with external air and an air passage of an engine, the air filtering device is provided with a back flushing device, and the filter structure is characterized in that,
the air filtering device comprises a shell, a filter element and an air outlet cylinder from outside to inside, wherein the filter element is cylindrical, a clean air cavity is formed in the filter element, and the air outlet cylinder is arranged at the bottom of the shell; the back-blowing device comprises an air inlet pipe, an air storage cylinder, an air duct and a back-blowing nozzle which are connected in sequence,
the air outlet cylinder supports the shell and is communicated with the clean air chamber; an air inlet with a downward opening is arranged on the bottom wall of the shell outside the air outlet cylinder; the air storage cylinder is annular and is sleeved on the outer wall of the air outlet cylinder; the air inlet is provided with blades distributed annularly.
2. The filter structure for construction machinery according to claim 1,
the casing is bilayer structure, including inner wall, outer wall, the filter core outside contacts with the inner wall of casing, and the inner wall is provided with the through-hole.
3. The filter structure for construction machinery according to claim 2, wherein the inside of the case has a mesh structure.
4. The filter structure for construction machinery according to claim 3, wherein the outer wall of the air outlet duct is provided with longitudinal ribs, and the top ends of the ribs support the housing.
5. The filter structure for construction machinery according to claim 2, wherein the air reservoir axis coincides with the air outlet cylinder axis.
6. The filter structure for engineering machinery according to claim 5, wherein a high pressure inlet pipe is provided at one side of the air reservoir, and an air duct is provided at the other side of the air reservoir, and the air duct passes through the wall of the air outlet cylinder and enters the inside of the air outlet cylinder.
7. The filter structure for engineering machinery according to claim 2, wherein the air duct is provided with an electromagnetic valve, and the end of the air duct is provided with the blowback nozzle;
the back-blowing spray head is arranged in the air filtering device, faces the clean air cavity and is detachably connected with the air guide pipe through a connecting piece.
8. The filter structure for construction machinery according to claim 1, wherein the vane is fixedly welded between two concentric rings, the center of the ring is on the axis of the filter element, and the two rings are fixed to the inner wall and the outer wall of the housing at the air inlet, respectively.
9. The filter structure for construction machinery according to claim 7, wherein the plane in which the vane extends inward of the housing intersects with the outer wall of the housing, and extends outward of the housing without intersecting with the air reservoir.
10. A construction equipment comprising a filter structure for construction machinery according to any one of claims 1 to 9.
CN202022300755.7U 2020-10-15 2020-10-15 Filter structure for engineering machinery and engineering equipment Active CN213981002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022300755.7U CN213981002U (en) 2020-10-15 2020-10-15 Filter structure for engineering machinery and engineering equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022300755.7U CN213981002U (en) 2020-10-15 2020-10-15 Filter structure for engineering machinery and engineering equipment

Publications (1)

Publication Number Publication Date
CN213981002U true CN213981002U (en) 2021-08-17

Family

ID=77257325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022300755.7U Active CN213981002U (en) 2020-10-15 2020-10-15 Filter structure for engineering machinery and engineering equipment

Country Status (1)

Country Link
CN (1) CN213981002U (en)

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