Large-flow high-pressure filter

Abstract

The utility model discloses a large-flow high-pressure filter which comprises a device body, the device body comprises a filter cartridge, a filter element and a filter head, the filter element is installed in the filter cartridge, and the filter head is installed at the top of the filter cartridge; the filter element is of a cylindrical structure, an oil outlet and an oil inlet are formed in the filter element, the oil outlet and the oil inlet are both of an L-shaped structure, the oil outlet is located on the left side of the oil inlet, and a bypass valve is installed between the oil outlet and the oil inlet. A signaling mounting opening is formed in the top of the filter head, and a signaling device is mounted on the signaling mounting opening. The device has the advantages of being high in pressure resistance, good in filtering effect, large in flow processing capacity and convenient to monitor, the device is provided with the pressure difference indicator, the blocking degree of the filter is monitored in real time, and a user can conveniently clean or replace the filter in time.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil filters, in particular to a large-flow high-pressure filter. Background Art

[0002] With the rapid development of hydraulic technology, the requirements for filters used in hydraulic systems are getting higher and higher. Especially in high-pressure and high-flow working environments, filters need to have higher pressure resistance and greater flow processing capacity to ensure the stable operation of hydraulic systems.

[0003] Existing hydraulic oil filters have the following defects:

[0004] The existing hydraulic oil filter has the problem of being easily damaged and having poor filtering effect under high pressure and large flow environment. Therefore, a solution is needed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a large flow rate high pressure filter to solve the problems raised in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a large-flow high-pressure filter, including a device body, the device body includes a filter cartridge, a filter element and a filter head, the filter element is installed in the filter cartridge, and the filter head is installed on the top of the filter cartridge; the filter element is a cylindrical structure, and an oil outlet and an oil inlet are arranged inside the filter element, the oil outlet and the oil inlet are both L-shaped structures, the oil outlet is located on the left side of the oil inlet, and a bypass valve is installed between the oil outlet and the oil inlet.

[0009] Preferably, a signal transmitting installation opening is provided at the top of the filter head, and a signal transmitter is installed on the signal transmitting installation opening.

[0010] Preferably, the filter element is in a cylindrical structure, the top of the filter element is connected to the oil inlet, a support ring is provided on the top of the outer side of the filter element, a sealing ring is provided on the top of the support ring, and the sealing ring is made of rubber.

[0011] Preferably, the filter cartridge has a cylindrical structure, an oil drain port is provided at the bottom of the filter cartridge, and an oil drain plug is installed in the oil drain port.

[0012] (III) Beneficial effects

[0013] The utility model provides a large flow rate high pressure filter. It has the following beneficial effects:

[0014] This large-flow high-pressure filter has strong pressure resistance: The filter body made of cast iron with high strength and elongation can withstand the impact and pressure in a high-pressure environment, ensuring the stability and reliability of the filter. It has good filtering effect: Using high-precision and high-density filter materials, it can effectively intercept solid impurities and pollutants in the hydraulic oil, improving the cleanliness and working efficiency of the hydraulic system. It has a large flow rate handling capacity: With a smooth flow channel design and large-diameter inlet and outlet ports, it can meet the requirements of large-flow hydraulic oil and improve the working efficiency of the hydraulic system. It is convenient to monitor: A differential pressure indicator is set to monitor the degree of blockage of the filter in real time, facilitating users to clean or replace the filter in a timely manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the whole of the present utility model.

[0016] In the figure, 1, device body; 2, filter cartridge; 3, filter element; 4, filter head; 5, oil outlet; 6, oil inlet; 7, bypass valve; 8, signal sending installation port; 9, signal sender; 10, oil drain port; 11, oil drain plug; 12, support ring; 13, sealing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0018] Please refer to Figure 1 , the embodiments of the present utility model provide a technical solution: A large-flow high-pressure filter, including a device body 1, the device body 1 includes a filter cartridge 2, a filter element 3 and a filter head 4, the filter element 3 is installed in the filter cartridge 2, and the filter head 4 is installed on the top of the filter cartridge 2;

[0019] To solve, the filter element 3 has a cylindrical structure, an oil outlet 5 and an oil inlet 6 are provided inside the filter element 3, both the oil outlet 5 and the oil inlet 6 have an L-shaped structure, the oil outlet 5 is located on the left side of the oil inlet 6, a bypass valve 7 is installed between the oil outlet 5 and the oil inlet 6, dirty oil enters the inside of the filter cartridge 2 from the oil inlet 6, and then passes through the filtration of the filter element 3, and the clean oil enters the flow channel of the filter seat 4 from inside the filter element 3 and flows out from the oil outlet 5; in the case of blockage of the filter element 3, after reaching a certain pressure, the bypass valve 7 is opened, and the oil flows into the inside of the filter element 3 from the bypass valve 7 and flows out from the oil outlet 5, so that the whole product will not be damaged in the case of filter element blockage.

[0020] Furthermore, a signal transmitting installation port 8 is provided at the top of the filter head 4, and a signal transmitter 9 is installed on the signal transmitting installation port 8. The signal transmitter 9 is provided to monitor the blockage degree of the filter in real time. When the pressure difference reaches a set value, an alarm signal is promptly issued to remind the user to clean or replace the filter.

[0021] Differently, the filter element 3 is of cylindrical structure, the top of the filter element 3 is connected to the oil inlet 6, a support ring 12 is provided on the top of the outer side of the filter element 3, a sealing ring 13 is provided on the top of the support ring 12, and the sealing ring 13 is made of rubber. The support ring 12 and the sealing ring 13 can improve the stability of the installation of the filter element 3.

[0022] Effectively, the filter cartridge 2 is in a cylindrical structure, an oil drain port 10 is provided at the bottom of the filter cartridge 2 , an oil drain plug 11 is installed in the oil drain port 10 , and a worker can perform maintenance on the inside of the filter cartridge 2 by pulling out the oil drain plug 11 in the oil drain port 10 .

[0023] Working principle: During operation, dirty oil enters the filter cartridge 2 from the oil inlet 6, and then is filtered by the filter element 3. Clean oil enters the filter seat 4 from the filter element 3 and flows out from the oil outlet 5. When the filter element 3 is blocked and a certain pressure is reached, the bypass valve 7 opens, and the oil flows into the filter element 3 from the bypass valve 7 and flows out from the oil outlet 5. In this way, the entire product will not be damaged when the filter element is blocked. Maintenance (principle): When the filter element 3 is blocked and a certain pressure difference is reached, the transmitter 9 will alarm (signal transmission or visual observation) to prompt the replacement of the filter element 3.

[0024] The utility model comprises 1. a device body; 2. a filter cartridge; 3. a filter element; 4. a filter head; 5. an oil outlet; 6. an oil inlet; 7. a bypass valve; 8. a signal transmitter installation port; 9. a signal transmitter; 10. an oil drain port; 11. an oil drain plug; 12. a support ring; and 13. a sealing ring. All the components are universal standard parts or components known to the technical personnel in this field, and their structures and principles can be known to the technical personnel in this field through the technical manual or through conventional experimental methods. The utility model solves the problem that the existing hydraulic oil filter is easily damaged and has a poor filtering effect under high pressure and large flow environment. The utility model can achieve the advantages of strong pressure resistance, good filtering effect, large flow processing capacity and convenient monitoring through the mutual combination of the above components. The device is provided with a pressure difference indicator to monitor the blockage degree of the filter in real time, so as to facilitate the user to clean or replace the filter in time.

[0025] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0026] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-flow, high-pressure filter, characterized in that: The device comprises a device body (1), wherein the device body (1) comprises a filter cartridge (2), a filter element (3) and a filter head (4), wherein the filter element (3) is installed in the filter cartridge (2), and the filter head (4) is installed on the top of the filter cartridge (2); The filter element (3) is in a cylindrical structure, and an oil outlet (5) and an oil inlet (6) are provided inside the filter element (3). The oil outlet (5) and the oil inlet (6) are both in an L-shaped structure. The oil outlet (5) is located on the left side of the oil inlet (6), and a bypass valve (7) is installed between the oil outlet (5) and the oil inlet (6).

2. A large flow rate high pressure filter according to claim 1, characterized in that: The top of the filter head (4) is provided with a signal transmitting installation opening (8), and a signal transmitter (9) is installed on the signal transmitting installation opening (8).

3. A large flow rate high pressure filter according to claim 1, characterized in that: The filter element (3) is in a cylindrical structure. The top of the filter element (3) is connected to the oil inlet (6). A support ring (12) is provided at the top of the outer side of the filter element (3). A sealing ring (13) is provided at the top of the support ring (12). The sealing ring (13) is made of rubber.

4. A high-flow, high-pressure filter according to claim 1, characterized in that: The filter cartridge (2) is in a cylindrical structure, and an oil drain port (10) is provided at the bottom of the filter cartridge (2), and an oil drain plug (11) is installed in the oil drain port (10).

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