CN214303987U - Anti-retreat connecting structure of inner frame and shell of oil filter - Google Patents
Anti-retreat connecting structure of inner frame and shell of oil filter Download PDFInfo
- Publication number
- CN214303987U CN214303987U CN202023165169.2U CN202023165169U CN214303987U CN 214303987 U CN214303987 U CN 214303987U CN 202023165169 U CN202023165169 U CN 202023165169U CN 214303987 U CN214303987 U CN 214303987U
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- inner frame
- end plate
- oil filter
- stopper
- threaded column
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Abstract
The utility model provides an oil cleaner inner frame and preventing moving back connection structure of casing, including casing and inner frame, the one end of inner frame is equipped with the end plate, the bottom surface clearance fit in end plate and the casing, the position fixedly connected with screw thread post that lies in the clearance on the end plate, set firmly the thread bush on the bottom surface of casing, thread bush and screw thread post screw-thread fit, set up the storage tank on the end plate, the free end position of thread bush is located the storage tank, the stopper has set firmly on the lateral wall of storage tank, the lug has set firmly on the circumference of thread bush, the lug stop is in one side of stopper and with stopper interference fit. The threaded column is matched and fixedly connected with the threaded sleeve, so that the structural strength is high, and the structural stability is good; the lug is arranged on the threaded sleeve and is matched with the limiting block arranged on the end plate, so that the positioning between the threaded sleeve and the threaded column is realized, the structure is simple, the injection molding and the batch production are convenient, and the assembly and the disassembly are convenient; the utility model has the advantages of simple and compact integral structure, structural strength is big, and stability is good.
Description
Technical Field
The utility model relates to an oil cleaner subassembly's connection structure, concretely relates to oil cleaner inner frame and casing prevent moving back connection structure.
Background
In an engine oil supply module of an engine lubrication system, an oil filter is used for removing impurities such as dust, metal particles, carbon deposits, soot particles and the like in engine oil to protect an engine.
The high-quality oil filter is provided with a bypass valve, and when the external temperature is reduced to a certain value or the oil filter exceeds the normal service life, the bypass valve can be opened under the action of a certain pressure, so that the unfiltered oil can directly flow into the engine. As a result, impurities in the oil enter the engine, but are much less lost than if the engine were empty. Therefore, the bypass valve is critical to protect the engine in an emergency. Generally, the bypass valve is installed in a shell of an oil filter or on an inner framework of a filter element, but most of the bypass valves are complex in structure and difficult to assemble and maintain; when the bypass valve is installed on the inner frame, the inner frame needs to be fixed on the shell, the inner frame and the shell are fixedly connected in a clamping mode at present, the inner frame is difficult to take out after being clamped with the shell, and the inner frame and the bypass valve are difficult to replace and maintain.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides an oil cleaner inner frame and preventing of casing move back connection structure.
The anti-retreat connecting structure of the inner framework and the shell of the oil filter comprises the shell and the inner framework, wherein one end of the inner framework is provided with an end plate, the end plate is in clearance fit with the bottom surface in the shell, a threaded column is fixedly connected to the position, located in the clearance, on the end plate, a threaded sleeve is fixedly arranged on the bottom surface of the shell, corresponding to the threaded column, in threaded fit with the threaded column, a containing groove is formed in the end plate, corresponding to the threaded sleeve, the free end part of the threaded sleeve is located in the containing groove, a limiting block is fixedly arranged on the side wall of the containing groove, a convex block is fixedly arranged on the circumference of the threaded sleeve, and the convex block is blocked on one side of the limiting block and is in interference fit with the limiting block.
The utility model discloses a theory of operation: and after the threaded sleeve enters the accommodating groove, the convex block is in interference fit with the limiting block in the process of winding from one side of the limiting block to the other side of the limiting block and is blocked at the other side of the limiting block, so that the threaded column is positioned at the set position of the threaded sleeve.
Further: the end plate is the disc structure, the storage tank be with the circular cell body of disc concentric setting all be equipped with on the relative both sides lateral wall of circular cell body the stopper, the stopper with the lateral wall and the tank bottom face integration of circular cell body set up, the stopper orientation one side of thread bush is the arc structure, the lug with interference fit is located to the crest of arc structure.
Further: the two opposite sides of the outer circumference of the threaded column are respectively provided with the convex block, the convex block is of a long strip-shaped columnar structure, and the long direction of the columnar structure is arranged along the axial direction of the threaded column and is integrally arranged with the threaded column.
Further: the arc structure with adopt curved surface transitional coupling between the lateral wall of circular cell body, the drawing of patterns of conveniently moulding plastics.
Further: the threaded column and the end plate are integrally formed by injection molding, so that the production is convenient, and the structural strength is high.
Further: the thread bush and the shell are integrally formed by injection molding, so that the production is convenient, and the structural strength is high.
The utility model has the advantages that: the threaded column is matched and fixedly connected with the threaded sleeve, so that the structural strength is high, and the structural stability is good; the lug is arranged on the threaded sleeve and is matched with the limiting block arranged on the end plate, so that the positioning between the threaded sleeve and the threaded column is realized, the structure is simple, the injection molding and the batch production are convenient, and the assembly and the disassembly are convenient; the utility model has the advantages of simple and compact integral structure, structural strength is big, and stability is good.
Drawings
FIG. 1 is a schematic structural view of the present invention in a sectional view from the bottom of the housing;
FIG. 2 is a schematic structural view of the inner frame of the present invention;
fig. 3 is a schematic structural diagram of the middle housing of the present invention.
In the figure, 1, an inner skeleton; 11. a containing groove; 12. an end plate; 13. a limiting block; 14. a threaded post; 2. a housing; 21. a bump; 22. and (4) a threaded sleeve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. The terms of left, middle, right, upper and lower directions in the examples of the present invention are only relative concepts or reference to the normal use status of the product, and should not be considered as limiting.
An anti-back connection structure of an inner frame and a shell of an oil filter is shown in a combined figure 1, a figure 2 and a figure 3, and comprises a shell 2 and an inner frame 1, one end of the inner framework 1 is provided with an end plate 12, the end plate 12 is in clearance fit with the bottom surface in the shell 2, a threaded post 14 is integrally provided on the end plate 12 at a position within the gap, a threaded sleeve 22 is integrally provided on the bottom surface of the housing 2 at a position corresponding to the threaded post 14, the threaded sleeve 22 is screwed to the threaded post 14, a containing groove 11 is arranged on the end plate 12 corresponding to the thread bush 22, the free end of the thread bush 22 is arranged in the containing groove 11, a limit block 13 is fixedly arranged on the side wall of the accommodating groove 11, a convex block 21 is fixedly arranged on the circumference of the thread sleeve 22, the bump 21 is stopped at one side of the limiting block 13 and is in interference fit with the limiting block 13.
Wherein, end plate 12 is the disc structure, storage tank 11 be with the circular cell body of disc concentric setting all be equipped with on the relative both sides lateral wall of circular cell body stopper 13, stopper 13 with the lateral wall and the tank bottom surface integration of circular cell body set up, stopper 13 orientation one side of thread bush 22 is the arc structure, lug 21 with interference fit is located to the crest of arc structure, the arc structure with adopt curved surface transitional coupling between the lateral wall of circular cell body.
The two opposite sides of the outer circumference of the threaded column 14 are respectively provided with the convex block 21, the convex blocks 21 are of long strip-shaped columnar structures, and the long directions of the columnar structures are arranged along the axial direction of the threaded column 14 and are integrally arranged with the threaded column 14.
The utility model discloses a theory of operation: and the threaded column is screwed into the threaded sleeve, after the threaded sleeve enters the accommodating groove, the convex blocks are in interference fit with the limiting blocks in the process of winding from one side of the limiting blocks to the other side, and the convex blocks on the two sides of the threaded sleeve are correspondingly blocked on the limiting blocks on the two sides of the accommodating groove respectively, so that the threaded column is positioned at the set position of the threaded sleeve.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an oil cleaner inner frame and preventing of casing move back connection structure which characterized in that: the thread sleeve is in threaded fit with the thread column, a containing groove is formed in the end plate corresponding to the thread sleeve, the free end portion of the thread sleeve is located in the containing groove, a limiting block is fixedly arranged on the side wall of the containing groove, a convex block is fixedly arranged on the circumference of the thread sleeve, and the convex block is blocked at one side of the limiting block and is in interference fit with the limiting block.
2. The oil filter inner frame and housing anti-back connection structure of claim 1, wherein: the end plate is the disc structure, the storage tank be with the circular cell body of disc concentric setting all be equipped with on the relative both sides lateral wall of circular cell body the stopper, the stopper with the lateral wall and the tank bottom face integration of circular cell body set up, the stopper orientation one side of thread bush is the arc structure, the lug with interference fit is located to the crest of arc structure.
3. The oil filter inner frame and housing anti-back connection structure of claim 2, wherein: the two opposite sides of the outer circumference of the threaded column are respectively provided with the convex block, the convex block is of a long strip-shaped columnar structure, and the long direction of the columnar structure is arranged along the axial direction of the threaded column and is integrally arranged with the threaded column.
4. The oil filter inner frame and housing anti-back connection structure according to claim 2 or 3, wherein: the arc-shaped structure is in transition connection with the side wall of the circular groove body through a curved surface.
5. The oil filter inner frame and housing anti-back connection structure of claim 1, wherein: the threaded column and the end plate are integrally formed in an injection molding mode.
6. The oil filter inner frame and housing anti-back connection structure of claim 1, wherein: the thread bush and the shell are integrally formed in an injection molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023165169.2U CN214303987U (en) | 2020-12-25 | 2020-12-25 | Anti-retreat connecting structure of inner frame and shell of oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023165169.2U CN214303987U (en) | 2020-12-25 | 2020-12-25 | Anti-retreat connecting structure of inner frame and shell of oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303987U true CN214303987U (en) | 2021-09-28 |
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ID=77861365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023165169.2U Active CN214303987U (en) | 2020-12-25 | 2020-12-25 | Anti-retreat connecting structure of inner frame and shell of oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214303987U (en) |
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2020
- 2020-12-25 CN CN202023165169.2U patent/CN214303987U/en active Active
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