CN210423260U - External filter and engineering vehicle - Google Patents
External filter and engineering vehicle Download PDFInfo
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- CN210423260U CN210423260U CN201921490604.3U CN201921490604U CN210423260U CN 210423260 U CN210423260 U CN 210423260U CN 201921490604 U CN201921490604 U CN 201921490604U CN 210423260 U CN210423260 U CN 210423260U
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- filter element
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Abstract
An external filter and an engineering vehicle are provided, wherein a filter shell in the external filter is provided with at least one oil inlet and at least one oil outlet; the filter element is arranged in the filter shell through the filter element mounting seat, and the filter element mounting seat is connected with the inner wall of the filter shell; the inner pipe barrel is arranged between the filter shell and the filter element, the inner pipe barrel is not contacted with the filter shell and the filter element, and the bottom surface of the inner pipe barrel is connected with the filter element mounting seat; the upper clapboard is arranged between the filter shell and the inner tube and is used for enabling liquid flowing in from the oil inlet to enter a cavity between the inner tube and the filter element; wherein, filter core mount pad center is equipped with through-hole I, is located to be equipped with through-hole II on the filter core mount pad of crossing between filter casing and the inner tube section of thick bamboo for the liquid that will flow from the inside cavity of filter core enters into the cavity between filter casing and the inner tube section of thick bamboo, finally flows from the oil-out. The utility model discloses a design into independent cell cube with the filter, make things convenient for the installation of different models.
Description
Technical Field
The utility model relates to a filter field, concretely relates to excavator external filter.
Background
The long-term operation of the hydraulic pump and the hydraulic motor generates tiny scraps, and the scraps can cause the problems of clamping stagnation of a valve core of a main valve, abrasion of a main pump or cylinder drawing of a hydraulic oil cylinder if entering a hydraulic system. The filter can prevent the tiny debris from entering the hydraulic system, thereby prolonging the service life of the hydraulic oil and ensuring the reliable operation of the system. Meanwhile, in order to meet the requirements of different types of hydraulic excavators, the filter is designed into an external general assembly type structure.
Disclosure of Invention
To the above problem, the utility model provides a filter with high reliability to can conveniently assemble.
The utility model discloses a concrete technical scheme as follows:
an external filter comprising:
the filter comprises a filter shell, a filter body and a filter cover, wherein the filter shell is provided with at least one oil inlet and at least one oil outlet;
the filter element is arranged in the filter shell through a filter element mounting seat, and the filter element mounting seat is connected with the inner wall of the filter shell;
the inner pipe barrel is arranged between the filter shell and the filter element, the inner pipe barrel is not contacted with the filter shell and the filter element, and the bottom surface of the inner pipe barrel is connected with the filter element mounting seat;
the upper clapboard is arranged between the filter shell and the inner tube and is used for enabling liquid flowing in from the oil inlet to enter a cavity between the inner tube and the filter element;
the filter element mounting seat is provided with a through hole I at the center, and the filter element mounting seat between the filter shell and the inner tube barrel is provided with a through hole II for enabling liquid flowing out of the cavity inside the filter element to enter the cavity between the filter shell and the inner tube barrel and finally flow out of the oil outlet.
Further, the bottom surface of the filter housing is provided with a tapered surface protruding outward for depositing impurities.
Further, an oil drain plug is arranged on the bottom surface of the filter shell and used for discharging impurities.
Further, the top surface of the filter shell is an open surface, and the filter shell is sealed through an end cover.
Further, the top surface of the filter shell is provided with a flange plate, the edge of the end cover is provided with a circle of bolt holes at intervals along the circumferential direction, and the end cover is connected with the flange plate through a plurality of mounting bolts.
Further, a spring is arranged between the end cover and the filter element.
Furthermore, the number of the oil inlets is four, so that the oil drainage requirements of oil ports of hydraulic pumps and hydraulic motors of different specifications are met; one of them oil inlet department is connected with arc return bend I, oil outlet department is connected with arc return bend II, and arc return bend I and arc return bend II are crisscross position setting from top to bottom to make things convenient for the hydraulic line installation.
Furthermore, the outer side surface of the filter shell is provided with a mounting bracket for connecting the filter shell with mechanical equipment.
Furthermore, a signal transmitter is arranged on the filter shell and used for giving an alarm in time when the filter element of the filter is blocked.
An engineering vehicle comprises the external filter.
The technical effects of the utility model:
the novel filter of the utility model has the function of isolating oil inlet and outlet by arranging the upper baffle plate and the inner tube; by adding the signal transmitter, an alarm can be given in time when the filter element of the filter is blocked, so that a better filtering effect is ensured; by designing the bottom of the filter to be tapered, impurities are easier to discharge; the filter is designed into an independent unit body, so that the installation of different machine types is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an overall structure of an external filter;
FIG. 2 is an exploded view of the external filter;
fig. 3 is a cut-away view of the external filter.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an external filter includes a filter housing 10, a filter element 20, an inner tube 30 and an upper partition 40; the filter housing 10 is provided with at least one oil inlet 50 and at least one oil outlet 60; the filter element 20 is arranged in the filter shell 10 through a filter element mounting seat 70, and the filter element mounting seat 70 is connected with the inner wall of the filter shell 10; the inner tube 30 is arranged between the filter shell 10 and the filter element 20, the inner tube 30 is not contacted with the filter shell 10 and the filter element 20, and the bottom surface of the inner tube 30 is connected with the filter element mounting seat 70; the upper baffle plate 40 is installed between the filter housing 10 and the inner tube 30 to introduce the liquid flowing from the oil inlet 50 into the cavity between the inner tube 30 and the filter element 20; wherein, the center of the filter element mounting seat 70 is provided with a through hole i, and the filter element mounting seat 70 between the filter housing 10 and the inner tube cylinder 30 is provided with a through hole ii for allowing the liquid flowing out from the inner cavity of the filter element 20 to enter the cavity between the filter housing 10 and the inner tube cylinder 30 and finally flow out from the oil outlet 60.
The through hole ii is a kidney-shaped hole, but the through hole ii may also be other types of holes, and is not limited to the kidney-shaped hole.
With continued reference to fig. 1 and 2, the bottom surface of the filter housing 10 is provided with a tapered surface protruding outward for depositing impurities. Wherein, the bottom surface of the filter housing 10 is provided with an oil drain plug 80 for discharging impurities.
The top surface of the filter housing 10 is open and the sealing of the filter housing 10 is achieved by the end cap 90.
A preferred embodiment of the filter housing to end cap connection is given below:
the top surface of the filter housing 10 is provided with a flange 110, a circle of bolt holes are circumferentially arranged at the edge of the end cover 90 at intervals, and the end cover 90 is connected with the flange 110 through a plurality of mounting bolts 100.
It should be noted that a sealing ring 120 is disposed between the flange 110 and the end cover 90 to perform a further sealing function.
Further scheme: a spring 130 is disposed between the end cap 90 and the filter element 20.
The preferred scheme is as follows: the number of the oil inlets 50 is four so as to meet oil drainage requirements of hydraulic pumps and hydraulic motor oil ports with different specifications; one of them oil inlet department is connected with arc return bend I, and oil-out department is connected with arc return bend II, and arc return bend I and arc return bend II are crisscross position setting from top to bottom to make things convenient for the hydraulic line installation.
The filter housing 10 is provided with mounting brackets 150 on the outside to connect the filter housing 10 to machinery.
The filter housing 10 is provided with a signal transmitter 140 for alarming in time when the filter element is clogged, so as to ensure a better filtering effect.
As shown in fig. 3, hydraulic oil flows into the filter cavity 1 from the oil inlet, is filtered by the filter element through the filter element from the filter element external cavity 2, then flows into the filter element internal cavity 3, then flows into the filter bottom cavity 4 through the filter element mounting seat, flows into the outer cavity 5 through the filter base waist-shaped hole, and finally flows out through the oil outlet channel 6. When the filter element is blocked, the signal transmitter can give an alarm in time so as to ensure better filtering effect; when the impurities are excessive, the impurities can be discharged through the oil drain plug.
In conclusion, the upper baffle plate 40 and the inner tube barrel 30 are arranged to play a role in isolating oil inlet and oil outlet; by adding the signal transmitter 140, an alarm can be given in time when the filter element 20 is blocked, so that a better filtering effect is ensured; by designing the bottom of the filter to be tapered, impurities are easier to discharge; the filter is designed into an independent unit body, so that the installation of different machine types is facilitated.
The utility model also provides an engineering vehicle, including foretell external filter. Wherein, the engineering vehicle comprises an excavator.
The above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the above-described specific embodiments, which are only examples, and it is within the scope of the present invention for those skilled in the art to limit the mounting and dismounting device of the supporting wheel of the mining hydraulic excavator to any equivalent modification and replacement of the supporting wheel. For example: the utility model provides a thrust wheel installation and dismounting device's dimensional requirement, through the distance of changing two rectangle steel pipes, two support perpendicular gusset distance and height etc. can realize the installation and the dismantlement function of thrust wheel among the engineering machine tool product of more kinds of models, do not do the restriction here. Accordingly, modifications of equivalent transform domains, made without departing from the spirit and scope of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. An external filter, comprising:
the filter comprises a filter shell, a filter body and a filter cover, wherein the filter shell is provided with at least one oil inlet and at least one oil outlet;
the filter element is arranged in the filter shell through a filter element mounting seat, and the filter element mounting seat is connected with the inner wall of the filter shell;
the inner pipe barrel is arranged between the filter shell and the filter element, the inner pipe barrel is not contacted with the filter shell and the filter element, and the bottom surface of the inner pipe barrel is connected with the filter element mounting seat;
the upper clapboard is arranged between the filter shell and the inner tube and is used for enabling liquid flowing in from the oil inlet to enter a cavity between the inner tube and the filter element;
the filter element mounting seat is provided with a through hole I at the center, and the filter element mounting seat between the filter shell and the inner tube barrel is provided with a through hole II for enabling liquid flowing out of the cavity inside the filter element to enter the cavity between the filter shell and the inner tube barrel and finally flow out of the oil outlet.
2. An external filter according to claim 1, wherein: the bottom surface of the filter housing is provided with an outwardly convex tapered surface for depositing impurities.
3. An external filter according to claim 2, wherein: and an oil drain plug is arranged on the bottom surface of the filter shell and used for discharging impurities.
4. An external filter according to claim 1, wherein: the top surface of the filter shell is an open surface, and the filter shell is sealed through the end cover.
5. An external filter according to claim 4, wherein: the top surface of the filter shell is provided with a flange plate, the edge of the end cover is provided with a circle of bolt holes at intervals along the circumferential direction, and the end cover is connected with the flange plate through a plurality of mounting bolts.
6. An external filter according to claim 4, wherein: and a spring is arranged between the end cover and the filter element.
7. An external filter according to claim 1, wherein: the number of the oil inlets is four so as to meet oil drainage requirements of hydraulic pumps and hydraulic motor oil ports with different specifications;
one of them oil inlet department is connected with arc return bend I, oil outlet department is connected with arc return bend II, and arc return bend I and arc return bend II are crisscross position setting from top to bottom to make things convenient for the hydraulic line installation.
8. An external filter according to claim 1, wherein: and the outer side surface of the filter shell is provided with a mounting bracket for connecting the filter shell with mechanical equipment.
9. An external filter according to claim 1, wherein: the filter shell is provided with a signal transmitter for timely alarming when the filter element of the filter is blocked.
10. A work vehicle, characterized in that: an external filter comprising any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921490604.3U CN210423260U (en) | 2019-09-09 | 2019-09-09 | External filter and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921490604.3U CN210423260U (en) | 2019-09-09 | 2019-09-09 | External filter and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423260U true CN210423260U (en) | 2020-04-28 |
Family
ID=70366438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921490604.3U Active CN210423260U (en) | 2019-09-09 | 2019-09-09 | External filter and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423260U (en) |
-
2019
- 2019-09-09 CN CN201921490604.3U patent/CN210423260U/en active Active
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