CN210599678U - Spiral welding type shell for hydraulic filter - Google Patents
Spiral welding type shell for hydraulic filter Download PDFInfo
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- CN210599678U CN210599678U CN201920965227.8U CN201920965227U CN210599678U CN 210599678 U CN210599678 U CN 210599678U CN 201920965227 U CN201920965227 U CN 201920965227U CN 210599678 U CN210599678 U CN 210599678U
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Abstract
The utility model discloses a spiral welding type shell for a hydraulic filter, wherein one end of the shell is connected with a filter head, and the other end of the shell is connected with a diffuser; the method comprises the following steps: a cylinder body and an end cover; the cylinder body is formed by spirally splicing steel plates, and the splicing parts of the steel plates are welded; one end of the cylinder body is open, the other end of the cylinder body is fixedly connected with the end cover, and a through hole for oil to pass through is formed in the center of the end cover. The utility model provides a barrel is spliced by the steel sheet spiral, and the circularity and the compressive strength of the barrel after the concatenation are higher.
Description
Technical Field
The utility model relates to a hydraulic pressure filtration equipment technical field, more specifically the spiral welding formula casing for hydraulic pressure filter that says so relates to.
Background
The hydraulic filter functions to filter various foreign substances occurring in the hydraulic system. The general hydraulic filter mainly comprises a filter element and a shell. The filter element is arranged in the shell, the two ends of the shell are respectively connected with the filter head and the diffuser, and oil liquid sequentially passes through the filter head, the filter element and the diffuser and enters the oil tank.
At present, the cylinders of the existing shell are connected through steel plate straight seam welding, and the defects of the existing shell are that the appearance is not round enough after welding, the existing shell needs to be trimmed, the existing shell is not enough in pressure resistance and strength after forming, and the existing shell is easy to deform under external force.
Therefore, it is an urgent need to solve the problem of developing a hydraulic filter housing with high pressure resistance, high strength and round shape.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hydraulic pressure is spiral welding formula casing for filter that circularity is high, compressive strength is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a spiral welding type shell for a hydraulic filter is characterized in that one end of the shell is connected with a filter head, and the other end of the shell is connected with a diffuser; the method comprises the following steps: a cylinder body and an end cover;
the cylinder body is formed by spirally splicing steel plates, and the splicing parts of the steel plates are welded;
one end of the cylinder is open, the other end of the cylinder is fixedly connected with the end cover, and a through hole for oil to pass through is formed in the center of the end cover.
Adopt above-mentioned technical scheme's beneficial effect is, the utility model discloses well barrel forms through the concatenation of steel sheet spiral, and the junction of steel sheet is fixed, sealed through the welding for the circularity and the compressive strength of barrel are higher, and need not to carry out the correction of circularity after the shaping. When the barrel is spirally welded, the barrel is welded on the die through equipment, so that the roundness of the barrel is higher, and the welded crater can serve as a spiral reinforcing rib on the barrel, thereby increasing the overall compressive strength of the barrel.
Preferably, the outer side of the opening end of the cylinder body is connected with a cylinder body connecting ring, and the cylinder body is connected with the filter head through the cylinder body connecting ring. The arrangement of the cylinder connecting ring enables the connection between the cylinder and the filter head to be tighter and the connection tightness to be better.
Preferably, the inside of barrel still sets up the connecting pipe that is used for fluid to pass through, the one end of connecting pipe is arranged in inside the barrel, the other end pass the through-hole with end cover fixed connection. The arrangement of the connecting pipe facilitates the filtered oil in the cylinder to smoothly flow out from the through hole.
Preferably, the connecting pipe with the junction of through-hole still is provided with from the sealing valve, and the valve can play the sealing effect to the barrel of proclaiming oneself, when fluid passes through, is pushed open by fluid from the sealing valve, and when no fluid passes through, closes from the sealing valve.
Preferably, the self-sealing valve includes: the valve core, the self-sealing spring and the self-sealing sheath; the valve core and the self-sealing spring are arranged in the self-sealing sheath, the self-sealing sheath is fixedly connected with the end cover, and one end of the self-sealing sheath, which is originally far away from the end cover, is connected with the diffuser.
Preferably, the connection between the cylinder and the cylinder connecting ring, the connection between the end cover and the cylinder, the connection between the connection pipe and the end cover, and the connection between the self-sealing sheath and the end cover are all welded.
According to the technical scheme, compared with the prior art, the spiral welding type shell for the hydraulic filter is provided, and a cylinder formed by spirally welding steel plates is high in roundness, high in compressive strength, good in sealing performance, small in crater and more attractive in appearance; the arrangement of the cylinder body connecting ring ensures that the connection sealing performance of the cylinder body and the filter head is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a sectional view of a housing according to the present invention;
fig. 2 is a schematic structural diagram of the cylinder provided by the present invention.
Wherein, in the figure,
1-a cylinder body;
11-a steel plate;
2-end cap; 3-cylinder connecting ring; 4-connecting pipe;
5-self-sealing valve;
51-self-sealing valve sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
The embodiment of the utility model discloses spiral welding formula casing for hydraulic filter, the filter head is connected to the one end of casing, and the diffuser is connected to the other end, include: a cylinder body 1 and an end cover 2; the cylinder body 1 is formed by spirally splicing steel plates 11, and splicing parts of the steel plates 11 are welded; one end of the cylinder body 1 is opened, the other end of the cylinder body is fixedly connected with the end cover 2, and a through hole for oil to pass through is formed in the center of the end cover 2.
In order to further optimize the technical scheme, the outer side of the opening end of the cylinder body 1 is connected with a cylinder body connecting ring 3, and the cylinder body 1 is connected with the filter head through the cylinder body connecting ring 3. And a sealing ring is arranged between the connecting ring 3 and the filter head, so that the connecting tightness between the connecting ring 3 and the filter head is better.
In order to further optimize the technical scheme, a connecting pipe 4 for oil to pass through is further arranged inside the cylinder 1, one end of the connecting pipe 4 is arranged inside the cylinder 1, and the other end of the connecting pipe passes through the through hole and is fixedly connected with the end cover 2.
In order to further optimize the technical scheme, a self-sealing valve 5 is further arranged at the joint of the connecting pipe 4 and the through hole. When the hydraulic filter is installed on the side, the self-sealing valve 5 can prevent oil in the oil tank from flowing back through the filter when the filter element is replaced.
In order to further optimize the above technical solution, the self-sealing valve 5 comprises: a valve core, a self-sealing spring, a self-sealing sheath 51; the valve core and the self-sealing spring are arranged in the self-sealing sheath 51, the self-sealing sheath 51 is fixedly connected with the end cover 2, one end, far away from the end cover 2, of the self-sealing sheath 51 is provided with a riveting and knurling rivet nut, and the riveting and knurling rivet nut is connected with the diffuser through a connecting rod.
In order to further optimize the technical scheme, the cylinder 1 and the cylinder connecting ring 3, the end cover 2 and the cylinder 1, the connecting pipe 4 and the end cover 2, and the self-sealing sheath 51 and the end cover 2 are all welded.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a filter head is connected to the one end of casing, and the diffuser is connected to the other end to spiral welding formula casing for hydraulic filter, its characterized in that includes: a cylinder body (1) and an end cover (2);
the cylinder body (1) is formed by spirally splicing steel plates (11), and splicing parts of the steel plates (11) are welded;
one end of the cylinder body (1) is open, the other end of the cylinder body is fixedly connected with the end cover (2), and a through hole for oil to pass through is formed in the center of the end cover (2).
2. The screw-welded shell for the hydraulic filter according to claim 1, wherein a cylinder connecting ring (3) is connected to the outer side of the open end of the cylinder (1), and the cylinder (1) is connected with the filter head through the cylinder connecting ring (3).
3. The spiral welding type shell for the hydraulic filter according to claim 2, wherein a connecting pipe (4) for oil to pass through is further arranged inside the cylinder (1), one end of the connecting pipe (4) is arranged inside the cylinder (1), and the other end of the connecting pipe passes through the through hole and is fixedly connected with the end cover (2).
4. The spiral welded shell for the hydraulic filter according to claim 3, wherein a self-sealing valve (5) is further arranged at the joint of the connecting pipe (4) and the through hole.
5. A spiral-welded casing for hydraulic filters according to claim 4, characterized in that the self-sealing valve (5) comprises: a valve core, a self-sealing spring and a self-sealing sheath (51); the valve core and the self-sealing spring are arranged in the self-sealing sheath (51), the self-sealing sheath (51) is fixedly connected with the end cover (2), and one end, far away from the end cover (2), of the self-sealing sheath (51) is connected with the diffuser.
6. The spiral welding type shell for the hydraulic filter according to claim 5, wherein the connection between the cylinder (1) and the cylinder connecting ring (3), the connection between the end cover (2) and the cylinder (1), the connection between the connection pipe (4) and the end cover (2), and the connection between the self-sealing sheath (51) and the end cover (2) are all welded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920965227.8U CN210599678U (en) | 2019-06-25 | 2019-06-25 | Spiral welding type shell for hydraulic filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920965227.8U CN210599678U (en) | 2019-06-25 | 2019-06-25 | Spiral welding type shell for hydraulic filter |
Publications (1)
Publication Number | Publication Date |
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CN210599678U true CN210599678U (en) | 2020-05-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920965227.8U Active CN210599678U (en) | 2019-06-25 | 2019-06-25 | Spiral welding type shell for hydraulic filter |
Country Status (1)
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CN (1) | CN210599678U (en) |
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2019
- 2019-06-25 CN CN201920965227.8U patent/CN210599678U/en active Active
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