High-pressure bypass ultramicro filter

By fixing the filter element with a limiting slide groove and a pressing assembly, and combining it with a bypass valve and a pressure sensor, the problems of insecure filter element installation and excessive pressure are solved, achieving efficient installation and stable operation of the protection device.

CN223846661UActive Publication Date: 2026-01-30JIANGSU YANSHENG IND INTELLIGENCE RES INST CO LTD
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Patent Information

Application Number
CN202520020308.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-30
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

In existing high-pressure oil systems, the filter element is not securely installed and is prone to shaking, affecting the filtration effect. Furthermore, it cannot cope with filter element blockage or excessive pressure that could damage the device.

Method used

The filter element is fixed by a limiting slide groove and a clamping assembly, and combined with a bypass valve and a pressure sensor, it can be quickly installed and protected.

Benefits of technology

It improves the installation stability and replacement efficiency of the filter element, prevents the device from being damaged due to excessive pressure or filter element blockage, and protects the stable operation of the system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil filtration, and discloses a high-pressure bypass ultramicro filter which comprises a shell and further comprises a limiting sliding groove formed in the top of the shell, a limiting sliding block is slidably connected into the limiting sliding groove, an end cover is fixedly connected to the top of the limiting sliding block, and the end cover is fixedly connected to the top of the limiting sliding block. The end cover and the shell are in threaded connection with a first bolt, the bottom of the inner wall of the shell is fixedly connected with a supporting plate, and the top of the supporting plate is movably connected with a filter element; firstly, during use, the filter element can be mounted more firmly through matched arrangement of the pressing assembly and the supporting plate, the situation that the filtering effect is affected by shaking caused by oil impact is prevented, meanwhile, through arrangement of a limiting sliding groove and a limiting sliding block, quick connection and limiting can be achieved when the end cover is mounted, and the practicability is high. And meanwhile, the filter element is more convenient to replace, so that the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil liquid filtration technical field, concretely to a high pressure bypass ultra -micro filter. BACKGROUND

[0002] In many industries and process flows, high pressure oil liquid systems are widely used in various occasions, such as hydraulic systems, fuel systems, chemical processes, etc., and the cleanliness of oil liquid in these systems is crucial to the performance and life of the system, so bypass filters are needed to capture dirt and impurities in oil liquid to ensure the cleanliness of oil liquid.

[0003] However, the filter element is inserted into the shell during use of the current device, the filter element is not firmly installed, and the filter element will shake and displace under the impact of oil liquid, affecting the filtering effect, the end cover and the shell are installed through bolts, which requires holes, affecting work efficiency, and the device cannot cope with sudden blockage of the filter element or excessive pressure, which can easily cause damage to the device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a high pressure bypass ultra -micro filter to solve the problem that the filter element is not firmly installed and affects the filtering effect and the device cannot cope with sudden blockage of the filter element or excessive pressure, which can easily cause damage to the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high pressure bypass ultra -micro filter, including the shell, still including: the limiting sliding slot of opening in the top of shell, the inside limiting sliding block of limiting sliding slot is connected, the top of limiting sliding block is fixedly connected with end cover, the end cover is connected with bolt one through screw thread in shell, the inner wall bottom of shell is fixedly connected with support plate, and the top of support plate is movably connected with filter element;

[0006] The compression assembly arranged on the top of the filter element, the compression assembly includes a compression plate movably connected to the top of the filter element, a connecting rod fixedly connected to the top of the compression plate in a circular central array, an installation cavity slidably connected to the bottom of the inner cavity of the end cover through the outer wall of the connecting rod, a compression spring fixedly connected to the top of the connecting rod, the other end of the compression spring fixedly connected to the inner cavity of the installation cavity, a limiting column slidably connected to the inner wall of the compression plate, the top of the limiting column fixedly connected to the inner cavity of the end cover, and the outer wall of the limiting column inserted into the inner wall of the filter element.

[0007] Preferably, the bottom center of the shell is fixedly connected with a liquid inlet pipe, and the outer wall of one end of the liquid inlet pipe is inserted into the inner wall of the filter element, and the bottom of the shell is fixedly connected with a liquid return pipe on one side close to the liquid inlet pipe.

[0008] Preferably, the inlet pipe and the return pipe are fixedly connected with connecting pipes on opposite outer walls.

[0009] Preferably, the outer wall of the threaded column is threadedly connected with connecting pieces, and the inner walls of the two connecting pieces are slidably connected with bypass valves.

[0010] Preferably, the bottom outer walls of the inlet pipe and the return pipe are fixedly connected with connecting flanges, and a plurality of mounting holes are formed in the top of the connecting flange.

[0011] Preferably, the inner cavity of the shell is provided with a pressure sensor at the bottom, the top of the shell is provided with a sealing groove, the sealing strip is movably connected in the sealing groove, and the top of the sealing strip is mounted in the inner cavity of the end cover.

[0012] Preferably, the front of the shell is provided with a control panel, and the control panel is electrically connected with the pressure sensor and the bypass valve, respectively.

[0013] Preferably, the outer walls of the shell are fixedly connected with fixed blocks on both sides, the fixed blocks are provided with fixed supports on one side, and the fixed supports and the fixed blocks are threadedly connected with bolts two, and the top of the end cover is fixedly connected with two handles.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a filter, which comprises a shell, an end cover, a filter core, a supporting plate, a pressing assembly, a bypass valve and a control panel.

[0016] 2. The utility model discloses a filter, which comprises a shell, an end cover, a filter core, a supporting plate, a pressing assembly, a bypass valve and a control panel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of a preferred embodiment of the high-pressure bypass ultra-micro filter provided by the utility model is shown in the figure.

[0018] Figure 2 A structure schematic view of a preferred embodiment of the high-pressure bypass ultra-micro filter provided by the utility model is shown in the figure.

[0019] Figure 3 A structure schematic view of a preferred embodiment of the high-pressure bypass ultra-micro filter provided by the utility model is shown in the figure.

[0020] Figure 4 The pressure assembly structure schematic view is provided for the utility model.

[0021] Figure 5 The bypass valve installation explosion structure schematic view is provided for the utility model.

[0022] In the figure: 1, shell; 2, limit sliding slot; 3, limit sliding block; 4, end cover; 5, bolt one; 6, support plate; 7, filter core; 8, pressure assembly; 801, pressure plate; 802, connecting rod; 803, pressure spring; 804, limit column; 9, installation cavity; 10, liquid inlet pipe; 11, liquid return pipe; 12, connecting pipe; 13, threaded column; 14, connecting piece; 15, bypass valve; 16, connecting flange; 17, mounting hole; 18, pressure sensor; 19, sealing groove; 20, sealing strip; 21, control panel; 22, fixed block; 23, bolt two; 24, fixed support; 25, handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 As shown in the figure, a high-pressure bypass ultra-micro filter includes a shell 1, further includes: a limit sliding slot 2 is opened in the top of the shell 1, the limit sliding slot 2 is slidably connected with a limit sliding block 3 in the inside, the top of the limit sliding block 3 is fixedly connected with an end cover 4, the end cover 4 is threadedly connected with a bolt one 5 through the shell 1, after the limit sliding block 3 fixedly connected through the inner cavity bottom of the end cover 4 is inserted into the limit sliding slot 2 opened in the top of the shell 1, the end cover 4 is rotated to make the limit sliding block 3 slidably connected in the limit sliding slot 2, the limit of the end cover 4 is completed, at the same time, locking is carried out through the bolt one 5, installation is more quick without hole, when the filter core 7 is replaced, it is also more convenient, the working efficiency is improved, the inner wall bottom of the shell 1 is fixedly connected with a support plate 6, the top of the support plate 6 is movably connected with a filter core 7;

[0025] The pressing assembly 8 arranged at the top of the filter element 7, the pressing assembly 8 comprises a pressing plate 801 movably connected at the top of the filter element 7, the top of the pressing plate 801 is fixedly connected with a connecting rod 802 in a circular array, the outer wall of the connecting rod 802 is slidably connected with a mounting cavity 9 penetrating through the bottom of the inner cavity of the end cover 4, the top of the connecting rod 802 is fixedly connected with a pressing spring 803, the other end of the pressing spring 803 is fixedly connected with the top of the inner cavity of the mounting cavity 9, the inner wall of the pressing plate 801 is slidably connected with a limiting column 804, the top of the limiting column 804 is fixedly connected with the bottom of the inner cavity of the end cover 4, and the outer wall of the limiting column 804 is inserted into the top of the inner wall of the filter element 7, the limiting column 804 of the pressing assembly 8 is inserted into the top of the inner wall of the filter element 7, has the effect of limiting, and the downward force of the pressing spring 803 is provided for the connecting rod 802 and the pressing plate 801, so that the pressing plate 801 tightly abuts against the filter element 7, and the limiting and fixing of the filter element 7 are completed.

[0026] Reference Figure 2 And Figure 5 As shown in the figure, the bottom center of the shell 1 is fixedly connected with a liquid inlet pipe 10, and the outer wall of one end of the liquid inlet pipe 10 is inserted into the inner wall of the bottom of the filter element 7, the bottom of the shell 1 is fixedly connected with a liquid return pipe 11 near the liquid inlet pipe 10, the outer walls opposite to each other of the liquid inlet pipe 10 and the liquid return pipe 11 are fixedly connected with a connecting pipe 12, one end of the connecting pipe 12 is integrally provided with a threaded column 13, the outer wall of the threaded column 13 is threadedly connected with a connecting piece 14, the inner walls of the two connecting pieces 14 are slidably connected with a bypass valve 15, the bottom outer walls of the liquid inlet pipe 10 and the liquid return pipe 11 are fixedly connected with a connecting flange 16, and a plurality of mounting holes 17 are formed in the top of the connecting flange 16, the connecting flange 16 can be quickly installed with the external oil conveying pipeline and the oil return pipeline respectively with the liquid inlet pipe 10 and the liquid return pipe 11, the upper end of the outer wall of the liquid inlet pipe 10 is inserted into the inside of the filter element 7, the oil liquid needing to be filtered is conveyed back through the liquid return pipe 11 after being filtered by the filter element 7, the liquid inlet pipe 10 and the liquid return pipe 11 are threadedly connected with the connecting piece 14 through the threaded column 13 integrally provided at one end of the connecting pipe 12 to install the bypass valve 15, the bypass valve 15 is used for conveying the oil liquid back bypassing the filter element 7 when the pressure sensor 18 installed at the bottom of the inner cavity of the shell 1 monitors that the pressure in the shell 1 is too large, or when the filter element 7 needs to be maintained and replaced, on one hand, the device is prevented from being damaged due to the excessive pressure, and on the other hand, the bypass valve 15 can be quickly opened when the equipment is abnormal, such as the filter element 7 is suddenly blocked, so as to prevent the system from being damaged due to the excessive flow, and to provide temporary protection for the device.

[0027] Reference Figure 2 And Figure 3As shown, the inner cavity bottom of the shell 1 is provided with a pressure sensor 18, the top of the shell 1 is provided with a sealing groove 19, the inside of the sealing groove 19 is movably connected with a sealing strip 20, the bottom of the sealing groove 19 is in contact with the bottom of the sealing strip 20 installed in the inner cavity bottom of the end cover 4, which ensures the sealing property of the end cover 4 and the shell 1 after installation, prevents oil leakage during use, and the top of the sealing strip 20 is installed in the inner cavity bottom of the end cover 4, the front of the shell 1 is provided with a control panel 21, the inside of the control panel 21 is provided with a PLC control system, a pressure display and operation buttons, and the control panel 21 is electrically connected with the pressure sensor 18 and the bypass valve 15, the pressure data in the shell 1 can be viewed through the control panel 21, and the opening and closing of the bypass valve 15 can be controlled.

[0028] The outer wall of the shell 1 is fixedly connected with a fixed block 22 on both sides, one side of the two fixed blocks 22 is provided with a fixed support 24, and the fixed support 24 is threadedly connected with a bolt two 23 through the fixed block 22, the fixed block 22 and the fixed support 24 fixedly connected on both sides of the outer wall of the shell 1 are fixed through the bolt two 23, the fixed support 24 can enable the device to be installed on an external equipment, the top of the end cover 4 is fixedly connected with two handles 25, the handles 25 can enable the staff to more conveniently take and rotate the end cover 4.

[0029] Working principle: in use, the filter element 7 is placed in the shell 1, the bottom of the filter element 7 is in contact with the top of the support plate 6 fixedly connected to the inner wall of the bottom of the shell 1, the support plate 6 supports the filter element 7, then the end cover 4 is inserted into the limiting sliding slot 2 opened at the top of the shell 1 through the limiting sliding block 3 fixedly connected to the bottom of the inner cavity, the limiting sliding block 3 is slidably connected in the limiting sliding slot 2 by rotating the end cover 4, the limiting of the end cover 4 is completed, and the locking is completed through the bolt 5, the inner wall of the sealing groove 19 opened at the top of the shell 1 is in contact with the bottom of the sealing strip 20 installed at the bottom of the inner cavity of the end cover 4, the airtightness of the end cover 4 and the shell 1 after installation is ensured, and oil leakage during use is prevented, the limiting column 804 of the pressing assembly 8 is inserted into the inner wall of the top of the filter element 7, and the downward force of the connecting rod 802 and the pressing plate 801 is provided through the pressing spring 803, so that the pressing plate 801 is in close contact with the filter element 7, the limiting and fixing of the filter element 7 are completed, the installation of the filter element 7 is more convenient, and the disassembly and maintenance are more efficient, at this time the installation of the filter element 7 is completed, the fixed block 22 and the fixed support 24 fixedly connected to the outer wall of the shell 1 are fixed through the bolt 23, the fixed support 24 can enable the device to be installed on the external equipment, the connection flange 16 can enable the external oil conveying pipeline and the oil return pipeline to be quickly installed with the liquid inlet pipe 10 and the liquid return pipe 11 respectively, the upper end of the liquid inlet pipe 10 is inserted into the inside of the filter element 7, and the oil to be filtered is conveyed back through the liquid return pipe 11 after being filtered by the filter element 7, the liquid inlet pipe 10 and the liquid return pipe 11 are threadedly connected with the connecting piece 14 through the thread column 13 integrally formed at one end of the connecting pipe 12, and the bypass valve 15 is installed, the bypass valve 15 is used for opening the bypass valve 15 to convey the oil back bypassing the filter element 7 when the pressure sensor 18 installed at the bottom of the inner cavity of the shell 1 monitors that the pressure in the shell 1 is too large or the filter element 7 needs to be maintained or replaced, on the one hand, the device is prevented from being damaged due to excessive pressure, and has the function of adjusting flow and pressure, on the other hand, the bypass valve 15 can be quickly opened when the equipment is abnormal, such as the filter element 7 is suddenly blocked, the system is prevented from being damaged due to excessive flow, and the device is temporarily protected.

[0030] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A high pressure bypass ultra-microfilter comprising a housing (1), characterized in that, Also includes: The limiting sliding groove (2) is opened in the top of the shell (1), the inside of the limiting sliding groove (2) is slidably connected with the limiting sliding block (3), the top of the limiting sliding block (3) is fixedly connected with the end cover (4), the end cover (4) is connected with the bolt one (5) through thread connection with the shell (1), the inner wall bottom of the shell (1) is fixedly connected with the supporting plate (6), the top of the supporting plate (6) is movably connected with the filter core (7); The pressing assembly (8) is arranged on the top of the filter core (7), the pressing assembly (8) comprises a pressing plate (801) movably connected to the top of the filter core (7), a plurality of connecting rods (802) are fixedly connected to the top of the pressing plate (801) in a circular central array, the outer wall of the connecting rod (802) is slidably connected with the mounting cavity (9) penetrating through the inner cavity bottom of the end cover (4), the top of the connecting rod (802) is fixedly connected with the pressing spring (803), the other end of the pressing spring (803) is fixedly connected to the inner cavity top of the mounting cavity (9), the inner wall of the pressing plate (801) is slidably connected with the limiting column (804), the top of the limiting column (804) is fixedly connected to the inner cavity bottom of the end cover (4), and the outer wall of the limiting column (804) is inserted into the inner wall top of the filter core (7).

2. A high pressure by-pass ultra-microfilter according to claim 1, characterized in that: The bottom center of the shell (1) is fixedly connected with the liquid inlet pipe (10), and the outer wall of one end of the liquid inlet pipe (10) is inserted into the inner wall bottom of the filter core (7), and the bottom of the shell (1) is fixedly connected with the liquid return pipe (11) on one side close to the liquid inlet pipe (10).

3. A high pressure by-pass ultra-microfilter according to claim 2, characterized in that: The outer walls of the liquid inlet pipe (10) and the liquid return pipe (11) opposite to each other are fixedly connected with the connecting pipe (12), and one end of the connecting pipe (12) is integrally formed with the threaded column (13).

4. A high pressure by-pass ultra-microfilter according to claim 3, characterized in that: The outer wall of the threaded column (13) is threadedly connected with the connecting piece (14), and the inner walls of the two connecting pieces (14) are slidably connected with the bypass valve (15).

5. A high pressure by-pass ultra-microfilter according to claim 2, characterized in that: The bottom outer walls of the liquid inlet pipe (10) and the liquid return pipe (11) are fixedly connected with the connecting flange (16), and a plurality of mounting holes (17) are formed in the top of the connecting flange (16).

6. The high pressure by-pass ultra-microfilter according to claim 1, characterized in that: The inner cavity bottom of the shell (1) is provided with a pressure sensor (18), the top of the shell (1) is provided with a sealing groove (19), the inside of the sealing groove (19) is movably connected with a sealing strip (20), and the top of the sealing strip (20) is mounted on the inner cavity bottom of the end cover (4).

7. The high pressure by-pass ultra-microfilter according to claim 1, wherein: The front of the shell (1) is provided with a control panel (21), and the control panel (21) is electrically connected with the pressure sensor (18) and the bypass valve (15) respectively.

8. The high pressure by-pass ultra-microfilter according to claim 1, characterized in that: The outer walls of the shell (1) are fixedly connected with the fixed blocks (22) on both sides, the fixed blocks (22) are provided with the fixed supports (24) on one side, and the fixed supports (24) are threadedly connected with the bolt two (23) through the fixed blocks (22), and the top of the end cover (4) is fixedly connected with two handles (25).