Multi-layer filtering type metal particle adsorption device

Abstract

The utility model discloses a multi-layer filtering type metal particle adsorption device, and relates to the technical field of adsorption devices. The multi-layer filtering type metal particle adsorption device comprises a shell, a sealing cover is arranged at the top opening end of the shell, a flange ring is fixedly arranged on the outer side of the top opening end of the shell and detachably connected with the sealing cover through a connecting bolt, a liquid inlet pipe is connected to the bottom of the shell in an embedded mode, and a liquid outlet pipe is connected to the bottom of the shell. According to the hydraulic oil filtering device, flowing hydraulic oil can be subjected to three-stage filtering treatment, so that metal particles in the hydraulic oil can be filtered and adsorbed, it can be guaranteed that the hydraulic oil flowing back to a driving structure is clean, and the working efficiency is improved. Therefore, the use safety and the service life of the driving structure can be improved, the impact of metal particles on the filtering assembly can be reduced, and the service life of the filtering assembly can be prolonged.

Description

Technical Field

[0001] This utility model relates to the field of adsorption device technology, specifically a multi-layer filter-type metal particle adsorption device. Background Technology

[0002] In some hydraulically driven drive structures, such as propellers, motors, or hydraulic pumps, there are usually some metal friction pairs inside the drive structure. During normal operation, some metal particles will be generated at the metal friction pairs. Some of these metal particles will enter the hydraulic oil. The metal particles will flow with the hydraulic oil into the metal friction pairs of the drive structure, which may cause the drive structure to jam.

[0003] However, existing metal particle adsorption devices use a single filtration method, resulting in insufficient filtration effect. Furthermore, hydraulic pumps often pressurize hydraulic oil during delivery, which can cause metal particles to directly collide with the filter screen, leading to filter screen damage. Therefore, we propose a multi-layer filtration metal particle adsorption device to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multi-layer filter-type metal particle adsorption device, which solves the problems of insufficient filtration effect due to a single filtration method, and the fact that hydraulic pumps often pressurize hydraulic oil during delivery, which can easily cause metal particles to directly collide with the filter screen and thus damage the filter screen.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a multi-layer filter-type metal particle adsorption device, comprising a shell, a cap provided at the top opening end of the shell, a flange ring fixedly provided on the outer side of the top opening end of the shell, and the flange ring being detachably connected to the cap by connecting bolts, an inlet pipe embedded in the bottom of the shell, an outlet pipe embedded in the middle of the top surface of the cap, a positioning ring fixedly provided in the inner cavity of the shell near the top end, and multiple filter components inserted into the inner cavity of the positioning ring, and the multiple filter components being stacked in a concentric circle manner;

[0006] A retaining ring is provided between two adjacent filter components. A pressure ring is provided on the bottom surface of the cover near the edge, and the bottom end of the pressure ring is inserted and connected to the topmost filter component. A flow guiding component is provided at the bottom of the inner cavity of the housing and directly above the liquid inlet pipe. A limiting component for installing the flow guiding component is provided on the periphery of the bottom surface of the inner cavity of the housing.

[0007] Preferably, the filter assembly includes a support ring, a metal filter screen is fixedly disposed in the inner cavity of the support ring, a magnet is disposed on the bottom surface of the metal filter screen, a plurality of annular magnets are disposed on the outer wall of the metal filter screen, and an annular groove for inserting the retaining ring is formed on the top surface of the support ring near the edge.

[0008] Preferably, a rubber ring is provided on the bottom surface of the inner cavity of the annular groove.

[0009] Preferably, the filter assembly is provided with three, and the filter pore size of the metal filter screen on the three filter assemblies decreases from the outside to the inside.

[0010] The inner diameter of the support rings on the three filter components decreases sequentially from the outside to the inside.

[0011] Preferably, the flow guiding component includes a tapered head with its tip pointing downwards, a positioning plate is provided above the tapered head, a plurality of first through holes are provided on the top surface of the positioning plate near the middle position, a first fixing screw is inserted into the inner cavity of the first through hole, a first internal thread groove for rotatably connecting the first fixing screw is provided on the top surface of the tapered head, an elastic rubber pad is provided on the first fixing screw and located between the positioning plate and the tapered head, and a plurality of second through holes for connecting the limiting component are provided on the top surface of the positioning plate near the edge position.

[0012] Preferably, the conical head is made of a wear-resistant metal material.

[0013] Preferably, the limiting component includes a limiting seat disposed on the bottom surface of the inner cavity of the housing, and the top surface of the limiting seat is provided with a second internal thread groove;

[0014] The inner cavity of the second internal thread groove is rotatably connected to a second fixing screw, and the second fixing screw passes through the inner cavity of the second through hole.

[0015] Beneficial effects

[0016] This invention provides a multi-layer filter-type metal particle adsorption device. Compared with the prior art, it has the following advantages:

[0017] This multi-layer filter-type metal particle adsorption device, through its outer shell, can both install and fix the flange ring and the positioning ring, and provide an attachment base for the inlet pipe, thus facilitating the connection of the inlet pipe to an external oil circuit, and enabling the delivery of hydraulic oil into the outer shell. Then, through the cover, it can be connected to the flange ring via connecting bolts to seal the opening end of the outer shell, and also provide an attachment base for the outlet pipe. Since multiple filter components are inserted into the inner cavity of the positioning ring, and the multiple filter components are stacked in a concentric circle, and a retaining ring is provided between two adjacent filter components, the positioning ring and two retaining rings can both install and separate the three filter components, so that the three filter components can be stacked in a concentric circle. Then, through the cover, the pressure ring can press and limit the filter component located at the top, thus keeping the three filter components stable.

[0018] Then, through three filter components, the flowing hydraulic oil can undergo three-stage filtration, thereby filtering and adsorbing metal particles in the hydraulic oil. This ensures that the hydraulic oil returning to the drive structure is clean, thus improving the safety and lifespan of the drive structure. Multiple limiting components can be fixed to the bottom surface of the inner cavity of the housing and can also be used to install and fix the flow guiding components. When the hydraulic oil enters the housing through the inlet pipe, the hydraulic oil containing metal particles will first impact the flow guiding components, thereby reducing the impact of metal particles on the filter components and improving the service life of the filter components. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the present invention.

[0021] Figure 3 This is a schematic diagram of a partial structure A of the present invention;

[0022] Figure 4 This is a schematic cross-sectional view of the filter assembly of this utility model;

[0023] Figure 5 This is a schematic cross-sectional view of the flow guiding component of this utility model;

[0024] Figure 6 This is a schematic diagram of the exploded structure of the limiting component of this utility model.

[0025] In the diagram: 1. Outer shell; 2. Cover; 3. Flange ring; 4. Connecting bolt; 5. Inlet pipe; 6. Outlet pipe; 7. Positioning ring; 8. Filter assembly; 81. Support ring; 82. Metal filter screen; 83. Annular groove; 84. Rubber ring; 85. Magnet block; 9. Snap ring; 10. Pressure ring; 11. Flow guide assembly; 111. Conical head; 112. Positioning plate; 113. First through hole; 114. First fixing screw; 115. First internal thread groove; 116. Elastic rubber pad; 117. Second through hole; 12. Limiting assembly; 121. Limiting seat; 122. Second internal thread groove; 123. Second fixing screw. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-3 This utility model provides a technical solution: a multi-layer filter-type metal particle adsorption device, including a shell 1, a cover 2 provided at the top opening end of the shell 1, a flange ring 3 fixedly provided on the outer side of the top opening end of the shell 1, and the flange ring 3 is detachably connected to the cover 2 by connecting bolts 4, an inlet pipe 5 is embedded and connected at the bottom of the shell 1, an outlet pipe 6 is embedded and connected at the middle position of the top surface of the cover 2, a positioning ring 7 is fixedly provided in the inner cavity of the shell 1 near the top, a plurality of filter components 8 are inserted into the inner cavity of the positioning ring 7, and the plurality of filter components 8 are stacked in a concentric circle manner; a retaining ring 9 is provided between two adjacent filter components 8, a pressure ring 10 is provided on the bottom surface of the cover 2 near the edge, and the bottom end of the pressure ring 10 is inserted and connected to the topmost filter component 8, a flow guiding component 11 is provided at the bottom of the inner cavity of the shell 1 and directly above the inlet pipe 5, and a limiting component 12 for installing the flow guiding component 11 is provided on the periphery of the bottom surface of the inner cavity of the shell 1;

[0028] The outer casing 1 allows for the installation and fixing of the flange ring 3 and the positioning ring 7, and also provides an attachment base for the inlet pipe 5, facilitating the connection of the inlet pipe 5 to an external oil circuit, thereby enabling the delivery of hydraulic oil into the outer casing 1. The cover 2 connects to the flange ring 3 via the connecting bolts 4, sealing the opening of the outer casing 1, and also provides an attachment base for the outlet pipe 6. Since multiple filter components 8 are inserted into the inner cavity of the positioning ring 7 and stacked concentrically, with retaining rings 9 between adjacent filter components 8, the positioning ring 7 and the two retaining rings 9 allow for both the installation and separation of the three filter components 8, enabling them to be stacked concentrically. Finally, the cover 2, via the pressure ring 1... The topmost filter element 8 is pressure-limited, thus stabilizing the three filter elements 8. The three filter elements 8 then perform three-stage filtration of the flowing hydraulic oil, filtering and adsorbing metal particles in the hydraulic oil. This ensures the cleanliness of the hydraulic oil returning to the drive structure, thereby improving the safety and lifespan of the drive structure. Multiple limiting components 12 can be fixed to the bottom surface of the inner cavity of the housing 1 and can also be used to install and fix the flow guiding component 11. When hydraulic oil enters the housing 1 through the inlet pipe 5, the hydraulic oil containing metal particles will first impact the flow guiding component 11, thereby reducing the impact of metal particles on the filter elements 8 and improving the service life of the filter elements 8.

[0029] See Figures 2-4 The filter assembly 8 includes a support ring 81, a metal filter screen 82 is fixedly installed in the inner cavity of the support ring 81, a magnet block 85 is provided on the bottom surface of the metal filter screen 82, a plurality of annular magnets are provided on the outer wall of the metal filter screen 82, and an annular groove 83 for inserting a retaining ring 9 is provided on the top surface of the support ring 81 near the edge.

[0030] The support ring 81 in the filter assembly 8 provides a mounting base for the metal filter screen 82 and allows it to sit on the positioning ring 7 or the retaining ring 9. Since the bottom surface of the metal filter screen 82 is provided with a magnet block 85 and the outer wall of the metal filter screen 82 is provided with multiple ring magnets, when hydraulic oil flows through the metal filter screen 82, the filter screen 82 will first filter and intercept it, thus performing preliminary filtration of metal particles. Furthermore, the magnet block 85 and the multiple ring magnets can attract the metal particles that accumulate on the outer wall of the metal filter screen 82, thereby reducing the clogging of the filter screen 82 by metal particles. The retaining ring 9 can be engaged and limited through the annular groove 83, thereby improving the stability of the lower filter assembly 8 in supporting the upper filter assembly 8.

[0031] See Figure 4A rubber ring 84 is provided on the bottom surface of the inner cavity of the annular groove 83, which can provide elastic support for the retaining ring 9 inserted into the annular groove 83 and improve the sealing effect at the joint.

[0032] See Figure 2 , Figure 4 The filter assembly 8 has three parts. The filter aperture of the metal filter screen 82 on the three filter assemblies 8 decreases from the outside to the inside. The inner diameter of the support ring 81 on the three filter assemblies 8 also decreases from the outside to the inside. This allows the three metal filter screens 82 to perform multiple filtration processes on metal particles, thereby improving the hydraulic oil filtration effect. The corresponding metal filter screen 82 can be installed and fixed by the three support rings 81 of different sizes.

[0033] See Figure 2 , Figure 5 The flow guiding component 11 includes a tapered head 111 with its tip pointing downwards. A positioning plate 112 is provided above the tapered head 111. The top surface of the positioning plate 112 and near the middle position are provided with a plurality of first through holes 113. A first fixing screw 114 is inserted into the inner cavity of the first through hole 113. The top surface of the tapered head 111 is provided with a first internal thread groove 115 for rotatably connecting the first fixing screw 114. An elastic rubber pad 116 is provided on the first fixing screw 114 and between the positioning plate 112 and the tapered head 111. The top surface of the positioning plate 112 and near the edge position are provided with a plurality of second through holes 117 for connecting the limiting component 12.

[0034] The conical head 111 in the guide assembly 11, with its pointed end facing downwards, can both disperse the impact of hydraulic oil containing metal particles and provide space for opening multiple first internal thread grooves 115. Then, through the positioning plate 112, it can be connected and fixed to multiple limiting assemblies 12 via multiple second through holes 117, thereby improving the stability of the positioning plate 112 in use. Next, through the positioning plate 112, corresponding first fixing screws 114 can be inserted into the multiple first through holes 113 respectively, and the bottom end of the first fixing screw 114 is rotatably connected to the inner cavity of the first internal thread groove 115. This allows the positioning plate 112 and the conical head 111 to be connected. At this time, the conical head 111 can move up and down along the radial direction of the first fixing screw 114. Since an elastic rubber pad 116 is provided on the first fixing screw 114 and between the positioning plate 112 and the conical head 111, the positioning plate 112 can provide elastic support for the conical head 111 through the elastic rubber pad 116. Therefore, when the conical head 111 is impacted by hydraulic oil containing metal particles, the conical head 111 will move up and down, thereby reducing the impact damage of metal particles to the conical head 111.

[0035] See Figure 5The conical head 111 is made of wear-resistant metal material, which can improve the service life of the conical head 111.

[0036] See Figure 2 , Figure 5 and Figure 6 The limiting component 12 includes a limiting seat 121 disposed on the bottom surface of the inner cavity of the housing 1. A second internal thread groove 122 is provided on the top surface of the limiting seat 121. A second fixing screw 123 is rotatably connected to the inner cavity of the second internal thread groove 122, and the second fixing screw 123 passes through the inner cavity of the second through hole 117.

[0037] The limiting seat 121 in the limiting assembly 12 can be fixed to one side of the bottom surface of the inner cavity of the outer shell 1, and can also provide opening space for the second internal thread groove 122. Furthermore, the second fixing screw 123 can pass through the second through hole 117 on the positioning plate 112 and can be rotatably installed in the inner cavity of the second internal thread groove 122, thereby enabling the positioning plate 112 to be installed and fixed, and thus improving the stability of the positioning plate 112 in use.

[0038] During operation, the outer casing 1 serves to both install and fix the flange ring 3 and the positioning ring 7, and also provides an attachment base for the inlet pipe 5, facilitating the connection of the inlet pipe 5 to an external oil circuit, thereby enabling the hydraulic oil to be delivered into the outer casing 1. Then, the cover 2 connects to the flange ring 3 via connecting bolts 4, sealing the opening of the outer casing 1, and also provides an attachment base for the outlet pipe 6. Since multiple filter components 8 are inserted into the inner cavity of the positioning ring 7 and stacked concentrically, with retaining rings 9 between adjacent filter components 8, the positioning ring 7 and the two retaining rings 9 allow for both installation and separation of the three filter components 8, enabling them to be stacked concentrically. Finally, the cover 2 allows for pressure... Ring 10 provides pressure and limit to the topmost filter component 8, thereby stabilizing the three filter components 8. The three filter components 8 then perform three-stage filtration of the flowing hydraulic oil, filtering and adsorbing metal particles in the hydraulic oil. This ensures the cleanliness of the hydraulic oil returning to the drive structure, improving the safety and lifespan of the drive structure. Multiple limiting components 12 can be fixed to the bottom surface of the inner cavity of the housing 1 and can also be used to install and fix the flow guiding component 11. When hydraulic oil enters the housing 1 through the inlet pipe 5, the hydraulic oil containing metal particles will first impact the flow guiding component 11, thereby reducing the impact of metal particles on the filter components 8 and improving the service life of the filter components 8.

[0039] The support ring 81 in the filter assembly 8 provides a mounting base for the metal filter screen 82 and allows it to sit on the positioning ring 7 or the retaining ring 9. Since the bottom surface of the metal filter screen 82 is provided with a magnet block 85 and the outer wall of the metal filter screen 82 is provided with multiple annular magnets, when hydraulic oil flows through the metal filter screen 82, the filter screen 82 first filters and intercepts the oil, thus performing preliminary filtration of metal particles. Furthermore, the magnet block 85 and the multiple annular magnets can attract metal particles accumulated on the outer wall of the metal filter screen 82, thereby reducing the clogging of the filter screen 82 by metal particles. The annular groove 83 can engage and limit the retaining ring 9, thereby improving the stability of the lower filter assembly 8's support for the upper filter assembly 8. Since the bottom surface of the inner cavity of the annular groove 83 is provided with a rubber ring 84, it provides elastic support for the retaining ring 9 inserted into the annular groove 83 and improves the sealing effect at the joint.

[0040] Since there are three filter components 8, and the filter aperture of the metal filter screens 82 on the three filter components 8 decreases from the outside to the inside, and the inner diameter of the support rings 81 on the three filter components 8 decreases from the outside to the inside, the three metal filter screens 82 can perform multiple filtration processes on metal particles, thereby improving the hydraulic oil filtration effect. The corresponding metal filter screens 82 can be installed and fixed by the three support rings 81 of different sizes.

[0041] The conical head 111, with its pointed tip pointing downwards, in the guide assembly 11 can both disperse the impact of hydraulic oil containing metal particles and provide space for opening multiple first internal thread grooves 115. Then, through the positioning plate 112, it can be connected and fixed to multiple limiting assemblies 12 via multiple second through holes 117, thereby improving the stability of the positioning plate 112. Next, through the positioning plate 112, corresponding first fixing screws 114 can be inserted into the multiple first through holes 113, and the bottom end of the first fixing screw 114 is rotatably connected to the inner cavity of the first internal thread groove 115, thereby enabling the positioning plate 112 and the conical head 111 to be connected. When connected, the conical head 111 can move up and down along the radial direction of the first fixing screw 114. Since an elastic rubber pad 116 is provided on the first fixing screw 114 and between the positioning plate 112 and the conical head 111, the positioning plate 112 can provide elastic support for the conical head 111 through the elastic rubber pad 116. Therefore, when the conical head 111 is impacted by hydraulic oil containing metal particles, the conical head 111 will move up and down, thereby reducing the impact damage of metal particles on the conical head 111. Since the conical head 111 is made of wear-resistant metal material, the service life of the conical head 111 can be improved.

[0042] The limiting seat 121 in the limiting assembly 12 can be fixed to one side of the bottom surface of the inner cavity of the outer shell 1, and can also provide opening space for the second internal thread groove 122. Furthermore, the second fixing screw 123 can pass through the second through hole 117 on the positioning plate 112 and can be rotatably installed in the inner cavity of the second internal thread groove 122, thereby enabling the positioning plate 112 to be installed and fixed, and thus improving the stability of the positioning plate 112 in use.

[0043] In summary, this device can perform three-stage filtration on the flowing hydraulic oil, thereby filtering and adsorbing metal particles in the hydraulic oil, ensuring the cleanliness of the hydraulic oil returning to the drive structure, thus improving the safety and lifespan of the drive structure. It can also reduce the impact of metal particles on the filter assembly 8, thus extending the service life of the filter assembly 8.

[0044] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A multi-layer filter-type metal particle adsorption device, comprising a housing (1), wherein a cap (2) is provided at the top opening of the housing (1), a flange ring (3) is fixedly provided on the outer side of the top opening of the housing (1), and the flange ring (3) is detachably connected to the cap (2) by connecting bolts (4), an inlet pipe (5) is embedded in the bottom of the housing (1), and an outlet pipe (6) is embedded in the middle of the top surface of the cap (2), characterized in that: A positioning ring (7) is fixedly provided in the inner cavity of the outer shell (1) near the top. Multiple filter components (8) are inserted into the inner cavity of the positioning ring (7), and the multiple filter components (8) are stacked in a concentric circle manner. A retaining ring (9) is provided between two adjacent filter components (8). A pressure ring (10) is provided on the bottom surface of the cover (2) near the edge. The bottom end of the pressure ring (10) is inserted and connected to the topmost filter component (8). A flow guiding component (11) is provided at the bottom of the inner cavity of the outer shell (1) and directly above the liquid inlet pipe (5). A limiting component (12) for installing the flow guiding component (11) is provided on the periphery of the bottom surface of the inner cavity of the outer shell (1).

2. The multi-layer filter-type metal particle adsorption device according to claim 1, characterized in that: The filter assembly (8) includes a support ring (81), a metal filter screen (82) is fixedly disposed in the inner cavity of the support ring (81), a magnet block (85) is disposed on the bottom surface of the metal filter screen (82), a plurality of annular magnets are disposed on the outer wall of the metal filter screen (82), and an annular groove (83) for inserting the retaining ring (9) is opened on the top surface of the support ring (81) near the edge.

3. The multi-layer filter-type metal particle adsorption device according to claim 2, characterized in that: A rubber ring (84) is provided on the bottom surface of the inner cavity of the annular groove (83).

4. The multi-layer filter-type metal particle adsorption device according to claim 2, characterized in that: The filter assembly (8) is provided in three parts, and the filter pore size of the metal filter screen (82) on the three filter assemblies (8) decreases from the outside to the inside. The inner diameter of the support rings (81) on the three filter components (8) decreases from the outside to the inside.

5. The multi-layer filter-type metal particle adsorption device according to claim 1, characterized in that: The flow guiding assembly (11) includes a tapered head (111) with its tip pointing downwards. A positioning plate (112) is provided above the tapered head (111). The top surface of the positioning plate (112) near the middle position is provided with a plurality of first through holes (113). A first fixing screw (114) is inserted into the inner cavity of the first through hole (113). The top surface of the tapered head (111) is provided with a first internal thread groove (115) for rotatably connecting the first fixing screw (114). An elastic rubber pad (116) is provided on the first fixing screw (114) and located between the positioning plate (112) and the tapered head (111). The top surface of the positioning plate (112) near the edge position is provided with a plurality of second through holes (117) for connecting the limiting assembly (12).

6. The multi-layer filter-type metal particle adsorption device according to claim 5, characterized in that: The conical head (111) is made of wear-resistant metal material.

7. The multi-layer filter-type metal particle adsorption device according to claim 5, characterized in that: The limiting component (12) includes a limiting seat (121) disposed on the bottom surface of the inner cavity of the outer shell (1), and the top surface of the limiting seat (121) is provided with a second internal thread groove (122); The inner cavity of the second internal thread groove (122) is rotatably connected to a second fixing screw (123), and the second fixing screw (123) passes through the inner cavity of the second through hole (117).

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