Magnetic suction type hydraulic filter element

Abstract

The utility model discloses a magnetic suction type hydraulic filter element, which belongs to the technical field of hydraulic filters and comprises a filter element body, the filter element body comprises an inner framework and a filter paper layer, a layer of metal blocking mesh plate is arranged on the outer side of the filter paper layer, and a layer of scrap iron adsorption mesh is arranged on the outer side of the metal blocking mesh plate. The metal blocking mesh plate and the scrap iron adsorption mesh are arranged on the outer side of the filter paper layer, impact of hydraulic oil and particulate matter on the filter paper layer can be reduced, the form of the filter paper layer is effectively maintained, aging damage of the filter paper layer is reduced, and the service life is prolonged. The scrap iron adsorption net is made of a magnetic material, and can effectively absorb scrap iron in hydraulic oil and prevent fine scrap iron from entering a filter paper layer in the process that the hydraulic filter element filters hydraulic oil, so that the filter paper layer of the hydraulic filter is effectively protected, the use effect of the hydraulic filter is improved, and the service life of the hydraulic filter is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic filters, and in particular relates to a magnetic suction type hydraulic filter element. Background Art

[0002] The hydraulic filter is used in the hydraulic system to filter out particulate debris and rubber impurities in the system and ensure the cleanliness of the hydraulic system. The hydraulic filter element is the key structure of the hydraulic filter and directly affects the filtering effect and stability of the hydraulic filter.

[0003] In the entire hydraulic system, the pipes and equipment of the hydraulic system are all made of steel. Since the hydraulic system is under high pressure during use, as the use time increases, it is easy for metal chips that are worn and peeled off from the hydraulic system to mix into the hydraulic oil. These metal chips move with the hydraulic oil and are eventually blocked by the filter screen of the hydraulic filter element. However, due to the high hardness and irregular surfaces of the metal chips, they will seriously scratch and damage the filter element filter screen over a long period of time, causing the filter screen to break, affecting the filtering effect and seriously affecting the service life of the filter. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetic suction type hydraulic filter element to solve the problems of the existing hydraulic filter element in the use process mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic hydraulic filter element, comprising a filter element body, the filter element body comprising an inner skeleton and a filter paper layer, a metal blocking mesh plate is arranged on the outside of the filter paper layer, and a layer of iron filings adsorption mesh is arranged on the outside of the metal blocking mesh plate.

[0006] Preferably, metal reinforcing wires are provided in the filter paper layer, and the filter paper layer is a cylindrical folded structure.

[0007] Preferably, the metal blocking mesh plate and the iron chip adsorption mesh are both cylindrical folding structures.

[0008] Preferably, the pore size of the iron chip adsorption net is slightly larger than the pore size of the metal blocking mesh plate, and the iron chip adsorption net is made of magnetic material.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The metal blocking mesh plate and the iron chip adsorption net are arranged on the outside of the filter paper layer, which can reduce the impact of hydraulic oil and particulate matter on the filter paper layer, thereby effectively maintaining the shape of the filter paper layer, reducing aging damage of the filter paper layer, and improving the service life; the iron chip adsorption net is made of magnetic material. In the process of the hydraulic filter element filtering the hydraulic pressure, the iron chip adsorption net can effectively absorb the iron chips in the hydraulic oil and prevent the fine iron chips from entering the filter paper layer, thereby effectively protecting the hydraulic filter paper layer and improving the use effect and service life of the hydraulic filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0012] In the figure: 1. inner frame; 2. filter paper layer; 3. metal blocking mesh plate; 4. iron filings adsorption mesh. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] Reference Figure 1 A magnetic hydraulic filter element comprises a filter element body, the filter element body comprises an inner frame 1 and a filter paper layer 2, a metal blocking mesh plate 3 is arranged on the outside of the filter paper layer 2, and a layer of iron filings adsorption mesh 4 is arranged on the outside of the metal blocking mesh plate 3.

[0015] The hydraulic filter element is mainly used to filter and remove particulate debris and rubber impurities in the hydraulic oil, so as to keep the hydraulic oil in a clean state. After long-term use, the hydraulic oil is easily mixed with metal chips, and the metal chips move with the hydraulic oil. For a long time, it is easy to scratch the filter paper layer 2 of the hydraulic filter element, affecting the filtering effect and service life of the hydraulic filter. Conventional hydraulic filter elements choose to set an exoskeleton on the outside of the filter paper layer 2, and set a blocking mesh plate on the exoskeleton. The blocking mesh plate can reduce the replacement, thereby protecting the filter paper layer 2 to a certain extent; however, due to the small size of the metal chips, the metal chips can still enter the filter paper layer 2 through the gap of the blocking mesh plate, and then affect and damage the filter paper layer 2, resulting in a decrease in the filtering effect of the hydraulic filter and a decrease in the service life of the hydraulic filter;

[0016] In this solution, a layer of metal blocking mesh plate 3 is arranged on the outside of the filter paper layer 2, and a layer of iron chip adsorption net 4 is arranged on the outside of the metal blocking mesh plate 3. The metal blocking mesh plate 3 and the iron chip adsorption net 4 themselves are mesh structures, which can effectively buffer and prevent particulate matter from directly impacting and colliding the filter paper layer 2, thereby ensuring that the shape of the filter paper layer 2 is maintained, reducing aging damage, and ensuring the filtering effect of the hydraulic filter while improving the service life of the filter paper layer 2, and the use effect is better; at the same time, the iron chip adsorption net 4 is made of magnetic material. In the process of the hydraulic filter element filtering the hydraulic pressure, the iron chip adsorption net 4 can effectively absorb iron chips in the hydraulic oil and prevent fine iron chips from entering the filter paper layer 2, thereby effectively protecting the hydraulic filter paper layer 2 and improving the use effect and service life of the hydraulic filter.

[0017] Furthermore, a metal reinforcing wire is arranged in the filter paper layer 2, and the filter paper layer 2 is a cylindrical folded structure.

[0018] In this solution, the cylindrical folded structure of the filter paper layer 2 can effectively increase the outer surface area of ​​the filter paper layer 2, thereby increasing the contact surface for the hydraulic oil to pass through and improving the filtration speed; at the same time, the filter paper layer 2 is woven with filter paper and metal reinforcing wire and is made using an origami process. The strength of the filter paper layer 2 is improved by the metal reinforcing wire to ensure the shaping effect, thereby ensuring the performance of the filter paper layer 2 after long-term use and effectively improving the service life of the hydraulic filter.

[0019] Furthermore, the metal blocking mesh plate 3 and the iron chip adsorption mesh 4 are both cylindrical folding structures.

[0020] Through this technical solution, the metal blocking mesh plate 3 and the iron chip adsorption net 4 have the same number of folds, and each group of folds of the metal blocking mesh plate 3 is correspondingly arranged on the outside of the folds of each group of filter paper layers 2, and each group of folds of the iron chip adsorption net 4 is correspondingly arranged on the outside of the folds of each group of metal blocking mesh plates 3. The metal blocking mesh plate 3 and the iron chip adsorption net 4 form a barrier layer on the outside of the filter paper layer 2 to form a buffer, thereby effectively protecting the filter paper layer 2 and improving the service life of the filter paper layer 2.

[0021] Furthermore, the aperture of the iron chip adsorption net 4 is slightly larger than the aperture of the metal blocking mesh plate 3, and the iron chip adsorption net is made of magnetic material.

[0022] The iron chip adsorption net 4 is made of magnetic material, which can magnetically absorb iron chips in the hydraulic oil to prevent the iron chips from entering the filter paper layer 2. In this solution, the iron chip adsorption net 4 fully covers the outer layer of the filter paper layer 2, thereby effectively blocking the iron chips and fully protecting the inner filter paper layer 2.

[0023] Working principle: A layer of metal blocking mesh plate 3 is arranged on the outside of the filter paper layer 2, and a layer of iron chip adsorption mesh 4 is arranged on the outside of the metal blocking mesh plate 3. The metal blocking mesh plate 3 and the iron chip adsorption mesh 4 themselves are mesh structures, which can effectively buffer and prevent particulate matter from directly impacting and colliding the filter paper layer 2, thereby ensuring that the shape of the filter paper layer 2 is maintained, reducing aging damage, and ensuring the filtering effect of the hydraulic filter while improving the service life of the filter paper layer 2, and the use effect is better; at the same time, the iron chip adsorption mesh 4 is made of magnetic material. In the process of the hydraulic filter element filtering the hydraulic pressure, the iron chip adsorption mesh 4 can effectively absorb iron chips in the hydraulic oil and prevent fine iron chips from entering the filter paper layer 2, thereby effectively protecting the hydraulic filter paper layer 2 and improving the use effect and service life of the hydraulic filter.

[0024] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine different embodiments or examples described in the present invention and features of different embodiments or examples without contradiction.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic hydraulic filter element, characterized in that: The filter element comprises a filter element body, wherein the filter element body comprises an inner frame and a filter paper layer, a metal blocking mesh plate is arranged on the outer side of the filter paper layer, and a layer of iron scrap adsorption mesh is arranged on the outer side of the metal blocking mesh plate.

2. The magnetic hydraulic filter element according to claim 1, characterized in that: The filter paper layer is provided with metal reinforcing wires, and the filter paper layer is a cylindrical folded structure.

3. The magnetic hydraulic filter element according to claim 1, characterized in that: The metal blocking mesh plate and the iron scrap adsorption mesh are both cylindrical folding structures.

4. The magnetic hydraulic filter element according to claim 1, characterized in that: The pore size of the iron scrap adsorption net is slightly larger than the pore size of the metal blocking mesh plate, and the iron scrap adsorption net is made of magnetic material.

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