CN216788885U - Hydraulic oil bypass filter mounting structure and engineering machinery - Google Patents
Hydraulic oil bypass filter mounting structure and engineering machinery Download PDFInfo
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- CN216788885U CN216788885U CN202220280216.8U CN202220280216U CN216788885U CN 216788885 U CN216788885 U CN 216788885U CN 202220280216 U CN202220280216 U CN 202220280216U CN 216788885 U CN216788885 U CN 216788885U
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Abstract
The utility model discloses a hydraulic oil bypass filter mounting structure and engineering machinery, which comprise a mounting shell, a filter element, a bypass one-way valve and an elastic component, wherein the mounting shell is provided with a filter core; the mounting shell mainly comprises a filter mounting seat, a shell, a mounting plate, a sealing flange and a sealing blocking plate; the filter mounting seat and the sealing flange are respectively welded at the upper port and the lower port of the shell, the mounting plate is welded at the side surface of the shell, the sealing blocking plate is connected with the sealing flange, the side surface of the shell is provided with an oil inlet, and the filter mounting seat is provided with an oil outlet; the filter element is arranged in the shell, and the bottom of the filter element is tightly attached to the filter mounting seat; the bypass one-way valve is arranged in the shell and is positioned above the filter element; the elastic component is arranged between the bypass one-way valve and the sealing blocking plate and compresses the bypass one-way valve through the elastic component. During maintenance, the valve element can be replaced by only disassembling the sealing blocking plate and taking out the elastic component and the bypass one-way valve, the valve element is simple and convenient, and the filter element can be replaced without oil drainage.
Description
Technical Field
The utility model relates to a hydraulic oil bypass filter mounting structure, and belongs to the field of engineering machinery hydraulic systems.
Background
The hydraulic excavator is an engineering machine which is driven by hydraulic pressure to execute a device, uses a bucket to dig materials higher than or lower than a bearing surface and loads the materials into a transport vehicle or unloads the materials to a stockyard, has a severe working environment, a complex hydraulic system and more hydraulic elements, has higher requirements on the cleanliness of hydraulic oil for each element, and particularly has the defects that the service life of the hydraulic elements is shortened and the hydraulic elements are damaged due to the pollution of the hydraulic oil. The hydraulic oil tank is internally provided with a plurality of filters, regular maintenance and filter element replacement are needed, the maintenance is troublesome, particularly, the bypass filter has high filtering precision and short maintenance period, and the filter element needs to be frequently replaced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a hydraulic oil bypass filter mounting structure which is convenient for maintenance of a filter and replacement of a filter element and can better protect the filter element.
The utility model is realized according to the following technical scheme:
the utility model discloses a hydraulic oil bypass filter mounting structure, which comprises a mounting shell, a filter element, a bypass one-way valve and an elastic component, wherein the filter element is arranged in the mounting shell; the mounting shell mainly comprises a filter mounting seat, a shell, a mounting plate, a sealing flange and a sealing blocking plate; the filter mounting seat and the sealing flange are respectively welded at the upper port and the lower port of the shell, the mounting plate is welded at the side surface of the shell, the sealing blocking plate is connected with the sealing flange, the side surface of the shell is provided with an oil inlet, and the filter mounting seat is provided with an oil outlet; the filter element is arranged in the shell, and the bottom of the filter element is tightly attached to the filter mounting seat; the bypass one-way valve is arranged in the shell and is positioned above the filter element; the elastic component is arranged between the bypass one-way valve and the sealing blocking plate, and the bypass one-way valve is pressed through the elastic component.
Further scheme: the sealing closure plate is detachably connected with the sealing flange.
The preferable scheme is as follows: the sealing blocking plate is installed on the sealing flange through a plurality of bolts, and the elastic part and the bypass one-way valve are taken out after the sealing blocking plate is disassembled to replace the valve core.
As an optimization scheme of the utility model: and an O-shaped ring is arranged between the sealing flange and the sealing blocking plate.
Further scheme: the mounting plate is a U-shaped plate, and the end surfaces of two vertical parts of the U-shaped plate are arc surfaces and are used for being attached to the side surface of the filter mounting seat; the horizontal part of the U-shaped plate is connected to the hydraulic oil tank through a bolt.
As an optimization scheme of the utility model: and a blocking component for preventing the filter element from being impacted by the hydraulic oil is arranged on the inner wall of the shell positioned at the oil inlet.
The preferable scheme is as follows: the blocking component is a U-shaped baffle, two vertical parts of the U-shaped baffle are welded on the inner wall of the shell, the horizontal part of the U-shaped baffle is positioned at the oil inlet, and a gap is reserved between the horizontal part and the oil inlet.
The preferable scheme is as follows: the elastic component is a spring.
The utility model also provides engineering machinery which comprises a hydraulic oil tank, wherein the hydraulic oil tank is provided with the hydraulic oil bypass filter mounting structure.
The preferable scheme is as follows: the construction machine includes a hydraulic excavator.
The utility model has the beneficial effects that:
the utility model provides a hydraulic oil bypass filter mounting structure, which is characterized in that a mounting shell of a filter is formed in a welding mode and is fixedly mounted on a hydraulic oil tank, so that a filter element is convenient to maintain and replace at the later stage; the baffle welding is in the inside oil inlet department of casing, reserves out the oil feed space, can prevent effectively that hydraulic oil from to the impact of filter core, suitably extension filter core life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a perspective view of a hydraulic oil bypass filter mounting structure of the present invention;
fig. 2 is a sectional view of a hydraulic oil bypass filter mounting structure of the present invention;
fig. 3 is an internal view of the hydraulic oil bypass filter mounting structure of the present invention.
The attached drawings are as follows: 1-filter mounting seat, 2-shell, 3-mounting plate, 4-sealing flange, 5-sealing blocking plate, 6-O-shaped ring, 7-spring, 8-bypass one-way valve, 9-filter element, 10-baffle, A-oil inlet and B-oil outlet.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a hydraulic oil bypass filter mounting structure includes a mounting housing, a filter element 9, a bypass check valve 8 and an elastic member; the mounting shell mainly comprises a filter mounting seat 1, a shell 2, a mounting plate 3, a sealing flange 4 and a sealing blocking plate 5; the filter mounting seat 1 and the sealing flange 4 are respectively welded at the upper port and the lower port of the shell 2, the mounting plate 3 is welded at the side surface of the shell 2, the sealing blocking plate 5 is connected with the sealing flange 4, the side surface of the shell 2 is provided with an oil inlet A, and the filter mounting seat 1 is provided with an oil outlet B; the filter element 9 is arranged in the shell 2, and the bottom of the filter element 9 is tightly attached to the filter mounting seat 1; the bypass one-way valve 8 is arranged in the shell 2 and is positioned above the filter element 9; the elastic component is arranged between the bypass one-way valve 8 and the sealing blocking plate 5, and the bypass one-way valve 8 is pressed through the elastic component. When the filter element 9 is maintained and replaced, the valve element 9 can be replaced by only disassembling the sealing blocking plate 5 and taking out the elastic component and the bypass one-way valve 8, the filter element replacement is simple and convenient, and the filter element replacement can be completed without oil drainage.
Further scheme: the sealing closure plate 5 is detachably connected to the sealing flange 4.
The preferable scheme is as follows: the sealing blocking plate 5 is installed on the sealing flange 4 through a plurality of bolts, and the elastic part and the bypass check valve 8 are taken out to replace the valve core after the sealing blocking plate 5 is disassembled.
As an optimization scheme of the utility model: an O-shaped ring 6 is arranged between the sealing flange 4 and the sealing blocking plate 5.
Further scheme: the mounting plate 3 is a U-shaped plate, the end surfaces of two vertical parts of the U-shaped plate are arc surfaces and are used for being attached to the side surface of the filter mounting seat 1; the horizontal part of the U-shaped plate is connected to the hydraulic oil tank through a bolt.
As an optimization scheme of the utility model: and a blocking component for preventing the filter element from being impacted by hydraulic oil is arranged on the inner wall of the shell 2 positioned at the oil inlet A.
The preferable scheme is as follows: as shown in fig. 3, the blocking member is a U-shaped baffle 10, two vertical portions of the U-shaped baffle 10 are welded to the inner wall of the housing, and a horizontal portion of the U-shaped baffle 10 is located at the oil inlet with a gap therebetween.
The preferable scheme is as follows: the elastic member is a spring 7.
From the above, the utility model provides a hydraulic oil bypass filter mounting structure, a filter mounting seat 1, a shell 2, a mounting plate 3 and a sealing flange 4 form a mounting shell of a filter in a welding mode, the mounting shell is fixedly mounted on a hydraulic oil tank, a filter element 9 is placed in the filter shell, the bottom of the filter element 9 is tightly attached to the filter mounting seat 1, a bypass one-way valve 8 is arranged above the filter element 9, and the bypass one-way valve 8 is fixed by a compression spring 7 of a sealing blocking plate 5. When the filter element 9 is maintained and replaced, the valve element 9 can be replaced by only disassembling the sealing blocking plate 5 and taking out the spring 7 and the bypass one-way valve 8; baffle 10 welds in the filter casing, reserves out the oil feed space, can effectively prevent hydraulic oil to the impact of filter core 9, can suitably prolong filter core 9 life.
The utility model also provides engineering machinery which comprises a hydraulic oil tank, wherein the hydraulic oil tank is provided with the hydraulic oil bypass filter mounting structure.
The preferable scheme is as follows: the construction machine includes a hydraulic excavator.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a hydraulic oil bypass filter mounting structure which characterized in that includes:
the mounting shell mainly comprises a filter mounting seat, a shell, a mounting plate, a sealing flange and a sealing blocking plate; the filter mounting seat and the sealing flange are respectively welded at the upper port and the lower port of the shell, the mounting plate is welded at the side surface of the shell, the sealing blocking plate is connected with the sealing flange, the side surface of the shell is provided with an oil inlet, and the filter mounting seat is provided with an oil outlet;
the filter element is arranged in the shell, and the bottom of the filter element is tightly attached to the filter mounting seat;
a bypass one-way valve mounted within the housing and above the filter element;
and the elastic component is arranged between the bypass one-way valve and the sealing blocking plate and compresses the bypass one-way valve through the elastic component.
2. The hydraulic oil bypass filter mounting structure according to claim 1, wherein:
the sealing closure plate is detachably connected with the sealing flange.
3. The hydraulic oil bypass filter mounting structure according to claim 2, wherein:
the sealing blocking plate is installed on the sealing flange through a plurality of bolts, and the elastic part and the bypass one-way valve are taken out after the sealing blocking plate is disassembled to replace the valve core.
4. The hydraulic oil bypass filter mounting structure according to claim 1, wherein:
and an O-shaped ring is arranged between the sealing flange and the sealing blocking plate.
5. The hydraulic oil bypass filter mounting structure according to claim 1, wherein:
the mounting plate is a U-shaped plate, and the end surfaces of two vertical parts of the U-shaped plate are arc surfaces and are used for being attached to the side surface of the filter mounting seat; the horizontal part of the U-shaped plate is connected to the hydraulic oil tank through a bolt.
6. The hydraulic oil bypass filter mounting structure according to claim 1, wherein:
and a blocking component for preventing the filter element from being impacted by the hydraulic oil is arranged on the inner wall of the shell positioned at the oil inlet.
7. The hydraulic oil bypass filter mounting structure according to claim 6, wherein:
the blocking component is a U-shaped baffle, two vertical parts of the U-shaped baffle are welded on the inner wall of the shell, the horizontal part of the U-shaped baffle is positioned at the oil inlet, and a gap is reserved between the horizontal part and the oil inlet.
8. The hydraulic oil bypass filter mounting structure according to claim 1, wherein:
the elastic component is a spring.
9. An engineering machine comprises a hydraulic oil tank, and is characterized in that:
the hydraulic oil bypass filter mounting structure according to any one of claims 1 to 8 is mounted on the hydraulic oil tank.
10. A working machine according to claim 9, characterized in that:
the construction machine includes a hydraulic excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280216.8U CN216788885U (en) | 2022-02-11 | 2022-02-11 | Hydraulic oil bypass filter mounting structure and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280216.8U CN216788885U (en) | 2022-02-11 | 2022-02-11 | Hydraulic oil bypass filter mounting structure and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788885U true CN216788885U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220280216.8U Active CN216788885U (en) | 2022-02-11 | 2022-02-11 | Hydraulic oil bypass filter mounting structure and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788885U (en) |
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2022
- 2022-02-11 CN CN202220280216.8U patent/CN216788885U/en active Active
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