Device capable of removing dirt under pressure

Abstract

The utility model discloses a decontaminating device with pressure, which comprises a shell, a filter element and a fluid locking mechanism, the shell is provided with an upper opening, an upper cover covers the upper opening, the shell is provided with a liquid opening I and a liquid opening II, the liquid opening I is controlled to be opened and closed by the fluid locking mechanism extending into the shell, and the liquid opening II is controlled to be opened and closed by the fluid locking mechanism extending into the shell. The filtering piece is inserted into the shell through the upper opening to filter fluid flowing through the first liquid opening and the second liquid opening. The filter has the advantages of being simple in structure, convenient to assemble and disassemble and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid filtration, in particular to a pressurized decontamination device. Background Art

[0002] In the prior art, when the use environment of the pipeline is relatively bad, the medium in the pipeline contains more impurities, which can easily cause corrosion of the inner wall of the pipeline, affect the measurement of the medium flow in the pipeline, and cause pipeline blockage.

[0003] Filters are often installed in pipelines to filter the media, and the filters need to be cleaned regularly. Therefore, it is urgent to design a filtering device that can block the pipeline before cleaning, facilitate the installation and removal of the filter, and prevent the pipeline fluid from leaking and spraying. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art and to provide a pressurized dirt removal device which has a simple structure and is easy to install and disassemble.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A pressurized dirt removal device, characterized in that it comprises a housing, a filter element and a fluid locking mechanism, the housing is provided with an upper opening, the upper opening is covered with an upper cover, and the housing is provided with a first liquid opening and a second liquid opening;

[0007] The liquid opening 1 is controlled to be on and off by a fluid locking mechanism extending into the shell, and the filter element is inserted into the shell through the upper opening to filter the fluid flowing through the liquid opening 1 and the liquid opening 2;

[0008] When the filter element needs to be replaced or cleaned, the liquid opening can be blocked by the fluid locking mechanism, and then the upper cover can be opened to take out the filter element for cleaning. The structure is simple, the filter element is easy to clean, and the fluid will not spray out. Even if there is pressure in the pipeline, it will not affect the removal and cleaning of the filter element.

[0009] The liquid opening of the utility model is located at the bottom of the shell, and the filter element adopts a cylindrical mesh structure and is sleeved outside the fluid locking mechanism. When the filter element needs to be cleaned, the upper cover is opened to take out the filter element. After cleaning, the filter element is inserted outside the fluid locking mechanism and then the upper cover is closed. The operation is simple, the filter element is easy to take out and install, and it will not affect the fluid locking mechanism.

[0010] The upper cover of the utility model is provided with a through hole which penetrates from top to bottom, the fluid locking mechanism comprises a baffle sleeve, a connecting shaft, a connecting sleeve and a baffle plug, the baffle sleeve is inserted into the shell through the through hole, the lower end of the baffle sleeve is in communication with the liquid opening of the shell, and the baffle sleeve is provided with a guide groove;

[0011] The connecting shaft, the connecting sleeve and the flow-blocking plug are arranged in the flow-blocking sleeve, the connecting sleeve is provided with an internal thread, the connecting shaft is provided with an external thread, the connecting sleeve is threadedly connected to the connecting shaft, one of the connecting sleeve and the connecting shaft is vertically slidably matched with the flow-blocking sleeve and the lower end is connected to the flow-blocking plug, the other of the connecting sleeve and the connecting shaft rotates to drive one of the connecting sleeve and the connecting shaft and the flow-blocking plug to move vertically, and the flow-blocking plug is inserted into one of the liquid openings of the shell;

[0012] By rotating the other one of the connecting sleeve and the connecting shaft, the flow blocking plug can be used to block the liquid opening, making it convenient to open the upper cover to clean the filter element.

[0013] The upper end of the other of the connecting sleeve and the connecting shaft of the utility model extends radially outward to form a shaft head, and the interior of the baffle sleeve extends radially inward to form an inner limiting boss, and the shaft head is limited by the inner limiting boss;

[0014] By rotating the shaft head, the flow-blocking plug is driven to control the flow of the fluid, and the structure is simple and the operation is convenient.

[0015] The utility model discloses a flow-blocking sleeve with an inner wall upper end provided with an annular limiting groove, the shaft head inserted in the flow-blocking sleeve is limited at the lower end by the inner limiting boss, and the upper end is limited by the clamp clamped in the limiting groove; the shaft head can be limited and the installation and disassembly are convenient during assembly.

[0016] The utility model discloses that the lower end of the baffle sleeve is connected with pipeline one, and the pipeline one is inserted into liquid opening one. The lower end of the baffle sleeve extends radially outward to form an outer limiting boss, and the outer limiting boss abuts against the inside of the shell. The baffle sleeve is connected with pipeline one, and the flow-through of the fluid in pipeline one can be controlled by a baffle plug. The cooperation of the baffle sleeve, pipeline one and the outer limiting boss facilitates assembly and can limit the position of the baffle sleeve, while ensuring the sealing performance with the shell.

[0017] The lower end of the baffle sleeve of the utility model extends radially outward on the outer limiting boss to form a filter limiting block, the outer diameter of the filter limiting block is smaller than the outer diameter of the outer limiting boss, the outer periphery of the filter limiting block is arranged as a guiding inclined surface inclined from top to bottom and outward, and the filter element is sleeved outside the filter limiting block; the filter limiting block can limit the filter element to ensure that the filter element will not shake, and also plays a guiding role in the installation of the filter element, thereby facilitating the installation of the filter element.

[0018] The lower surface of the upper cover of the utility model is fixed with an annular limiting ring, the upper cover is covered at the upper opening of the shell, the limiting ring is inserted into the upper opening, and the outer wall of the limiting ring is in conflict with the inner wall of the shell;

[0019] The filter element is located between the limiting ring and the baffle sleeve, and the upper surface of the filter element is in conflict with the lower surface of the upper cover;

[0020] The setting of the limiting ring can not only limit the upper cover to ensure that the upper cover accurately covers the opening position of the shell, but also limit the filter element to ensure the stability of the placement of the filter element.

[0021] The lower end of the inner wall of the limit ring of the utility model is arranged as a guide inclined surface which is inclined upward and inward from bottom to top;

[0022] The setting of the guiding slope makes it convenient to take out the upper cover first when the filter needs to be taken out, and facilitates the assembly of the upper cover after the filter is cleaned and installed.

[0023] The utility model has O-shaped sealing rings between the pipeline 1 and the liquid opening 1, between the shaft head and the flow blocking sleeve, and between the flow blocking sleeve and the through hole of the upper cover; the arrangement of the O-shaped sealing rings ensures the sealing effect.

[0024] The beneficial effects of the utility model are as follows: when the filter element needs to be replaced or cleaned, the liquid opening can be blocked by the fluid locking mechanism, and then the upper cover is opened to take out the filter element for cleaning; the structure is simple, the filter element is easy to clean, and the fluid will not spray out; even if there is pressure in the pipeline, it will not affect the removal and cleaning of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of a pressurized decontamination device.

[0026] Figure 2 yes Figure 1 Top view.

[0027] Figure 3 yes Figure 2 Middle AA section view.

[0028] Figure 4 It is a schematic diagram of the structure of the fluid locking mechanism.

[0029] Reference numerals:

[0030] Shell-101, upper cover-102, limiting ring-1021, guiding inclined surface-10211;

[0031] Pipeline 1-2;

[0032] Pipeline II-3;

[0033] Filter element - 4;

[0034] O-ring-5;

[0035] Fluid locking mechanism-6, flow blocking sleeve-601, guide groove-6011, outer limit boss-6012, inner limit boss-6013, guide groove-6014, filter limit block-6015, connecting sleeve-6021, flow blocking plug-6022, guide block-6023, connecting shaft-603, shaft head-6031, slot-6032, clamp-604. DETAILED DESCRIPTION

[0036] The utility model is described below in conjunction with the accompanying drawings and embodiments.

[0037] As shown in the accompanying drawings, a pressurized dirt removal device includes a shell 101, a filter element 4 and a fluid locking mechanism 6. The shell 101 is provided with an upper opening, and the upper opening is covered with an upper cover 102. In this embodiment, the upper cover 102 is fixed to the shell 101 by bolts.

[0038] The shell 101 is provided with a liquid opening 1 and a liquid opening 2. In this embodiment, the liquid opening 1 is located at the bottom of the shell 101, and the liquid opening 2 is located at the side wall of the shell 101. The positions of the liquid opening 1 and the liquid opening 2 are set according to actual use needs. The liquid opening 2 of the shell 101 is connected to the pipeline 2 3, and the connection between the pipeline 2 3 and the liquid opening 2 is covered with an O-ring 5 to ensure sealing.

[0039] The fluid locking mechanism 6 comprises a baffle sleeve 601, a connecting shaft 603, a connecting sleeve 6021 and a baffle plug 6022. The upper cover 102 is provided with through holes extending vertically, the baffle sleeve 601 is inserted into the housing 101 through the through holes, an O-ring 5 is provided between the baffle sleeve 601 and the through holes, the lower end of the baffle sleeve 601 is in communication with the second liquid inlet of the housing 101, and the baffle sleeve 601 is provided with a plurality of guide grooves 6014;

[0040] The connecting shaft 603, the connecting sleeve 6021, and the flow blocking plug 6022 are arranged in the flow blocking sleeve 601, the connecting sleeve 6021 is provided with an internal thread, the connecting shaft 603 is provided with an external thread, the connecting shaft 603 is threadedly connected with the connecting sleeve 6021, one of the connecting sleeve 6021 and the connecting shaft 603 is vertically slidably matched with the flow blocking sleeve 601 and the lower end is connected to the flow blocking plug 6022, the other of the connecting sleeve 6021 and the connecting shaft 603 rotates to drive one of the connecting sleeve and the connecting shaft and the flow blocking plug 6022 to move vertically, and the flow blocking plug 6022 is inserted into the liquid opening 1 of the housing 101;

[0041] In this embodiment, the lower end of the connecting sleeve 6021 is fixedly connected with a flow-blocking plug 6022, and the flow-blocking plug 6022 is set to an inverted cone. The side wall of the connecting sleeve 6021 is fixedly connected with a guide block 6023. The flow-blocking sleeve 601 is provided with a vertically arranged guide groove 6011. The guide block 6023 is vertically slidably matched with the guide groove 6011, and the connecting sleeve 6021 and the flow-blocking plug 6022 are driven to move up and down by rotating the connecting shaft 603.

[0042] The lower end of the baffle sleeve 601 is connected to the pipeline 12. In this embodiment, the baffle sleeve 601 and the pipeline 12 are integrally formed to ensure the sealing of the pipeline. The pipeline 12 is inserted into the liquid opening 1, and an O-ring 5 is provided between the pipeline 12 and the liquid opening 1. The lower end of the baffle sleeve 601 extends radially outward to form an outer limiting boss 6012, and the outer limiting boss 6012 abuts against the inside of the shell 101; the baffle sleeve 601 is connected to the pipeline 12, and the flow of the fluid in the pipeline 1 can be controlled by the baffle plug 6022. The cooperation between the baffle sleeve, the pipeline 1 and the outer limiting boss facilitates assembly and can limit the position of the baffle sleeve while ensuring the sealing with the shell.

[0043] In this embodiment, the lower end of pipeline 1 2 is provided with an external thread, and pipeline 1 2 is connected to the internal thread of the main pipeline through the external thread. Even if the flow-blocking plug blocks the flow, the flow-blocking sleeve will be subjected to the upward pressure of the fluid, and the flow-blocking sleeve and pipeline 1 will not shift under the action of pressure.

[0044] The filter element 4 adopts a cylindrical mesh structure and is sleeved outside the baffle sleeve 601 and is located between the baffle sleeve and the inner wall of the shell; when the filter element needs to be replaced or cleaned, the pipeline can be blocked by the fluid locking mechanism, and then the upper cover is opened to take out the filter element for cleaning. The structure is simple, the filter element is easy to clean, and the fluid will not spray out. Even if there is pressure in the pipeline, it will not affect the removal and cleaning of the filter element.

[0045] The lower end of the baffle sleeve 601 extends radially outward on the outer limiting boss 6012 to form a filter limiting block 6015, the outer diameter of the filter limiting block 6015 is smaller than the outer diameter of the outer limiting boss 6012, the outer periphery of the filter limiting block 6015 is arranged as a guiding inclined surface inclined from top to bottom and outward, and the filter element is sleeved outside the filter limiting block 6015; the filter limiting block 6015 can not only limit the filter element to ensure that the filter element does not shake, but also play a guiding role in the installation of the filter element, thereby facilitating the installation of the filter element.

[0046] The upper end of the inner wall of the baffle sleeve 601 extends radially inward to form an inner limiting boss 6013 , and the upper end of the inner wall of the baffle sleeve 601 is provided with an annular limiting groove above the inner limiting boss 6013 .

[0047] The upper end of the connecting shaft 603 extends radially outward to form a shaft head 6031. The connecting shaft 603 is inserted into the baffle sleeve. The lower end surface of the shaft head 6031 abuts against the inner limiting boss 6013. The upper end surface of the shaft head 6031 is limited by a clamp 604 clamped in the limiting groove. The position of the shaft head 6031 is limited to ensure that the shaft head 6031 does not move up and down, and it is easy to install and disassemble during assembly.

[0048] The shaft head 6031 is provided with a slot 6032 or a handle, which is convenient for the shaft head to rotate to drive the flow-blocking plug to move, and drive the flow-blocking plug 6022 to control the flow on and off of the fluid. The structure is simple and the operation is convenient.

[0049] In this embodiment, a slot 6032 is provided on the shaft head 6031. The slot 6032 is a hexagonal hole. An inner hexagonal wrench is inserted into the hexagonal hole. The rotation of the inner hexagonal wrench drives the connecting shaft to rotate. The slot can also be a long slot. A flat-blade screwdriver is inserted into the long slot. The rotation of the flat-blade screwdriver drives the connecting shaft to rotate.

[0050] An O-ring is provided between the shaft head and the baffle sleeve 601 to ensure a sealing effect.

[0051] In this embodiment, a ring-shaped limit ring 1021 is fixed to the lower surface of the upper cover 102. The upper cover 102 covers the upper opening of the shell 101. The limit ring 1021 is inserted into the upper opening. The outer wall of the limit ring 1021 is in conflict with the inner wall of the shell 101. An O-shaped sealing ring 5 is provided between the outer wall of the limit ring 1021 and the inner wall of the shell.

[0052] The upper end of the filter element is located between the limiting ring 1021 and the flow blocking sleeve 601, and the lower end is sleeved outside the filter screen limiting block 6015. The upper surface of the filter element 4 conflicts with the lower surface of the upper cover 102, and the lower surface of the filter element 4 conflicts with the upper surface of the outer limiting boss 6012.

[0053] The setting of the limiting ring 1021 can limit the upper cover 102 to ensure that the upper cover 102 accurately covers the opening position on the shell. The limiting ring 102 cooperates with the filter limiting block 6015 to limit the filter element 4 to ensure the stability of the placement of the filter element 4.

[0054] The lower end of the inner wall of the limiting ring 1021 is provided with an annular guide slope 10211 which is inclined from bottom to top and inward;

[0055] The setting of the guiding inclined surface 10211 facilitates the removal of the upper cover 102 when the filter element needs to be removed, and facilitates the assembly of the upper cover 102 after the filter element 4 is cleaned and installed.

[0056] The drawings in the specification of this embodiment only show the fluid locking mechanism set at the water inlet end of the pipeline and the schematic diagram of the cooperation with the fluid locking mechanism. When the filter element needs to be cleaned, according to the usage scenario, if necessary, the return water end of the pipeline is also blocked by the fluid locking mechanism to prevent the fluid from spraying out.

[0057] When the utility model is used:

[0058] 1. The fluid enters the baffle sleeve 601 in the housing 101 through the pipeline 1 2, passes through the guide groove 6014 of the baffle sleeve 601 and the filter element 4 in sequence, and then flows out through the pipeline 2 3;

[0059] 2. When the filter element 4 needs to be cleaned, insert the hexagonal wrench into the slot of the shaft head and rotate it forward, driving the connecting shaft 603 to rotate forward, and the connecting sleeve 6021 and the flow blocking plug 6022 move downward along the guide groove 6011 of the flow blocking sleeve 601, and the flow blocking plug 6022 is inserted into the pipeline 1 2;

[0060] 3. Open the upper cover 102, take out the filter element 4 for cleaning, and then put the filter element 4 into the housing 101 after cleaning. The filter element 4 is sleeved outside the filter screen limit block 6015, and the lower end surface of the filter element 4 is against the outer limit boss 6012. Cover the upper cover 102, and the outer wall of the limit ring 1021 of the upper cover contacts the inner wall of the housing 101. The upper end of the filter element 4 is located between the baffle sleeve 601 and the limit ring 1021;

[0061] 4. Insert the hexagonal wrench into the slot of the shaft head and rotate it in the opposite direction, driving the connecting shaft 603 to rotate in the opposite direction. The connecting sleeve 6021 and the choke plug 6022 move upward along the guide groove 6011 of the choke sleeve 601, and the choke plug 6022 is removed from pipeline 1 2, so that pipeline 1 2 and pipeline 2 3 can be connected.

Claims

1. A pressurized decontamination device, characterized in that: It comprises a shell, a filter element and a fluid locking mechanism, wherein the shell is provided with an upper opening, the upper opening is covered with an upper cover, and the shell is provided with a first liquid opening and a second liquid opening; The liquid opening 1 is controlled to be on and off by a fluid locking mechanism extending into the shell, and the filter element is inserted into the shell through the upper opening to filter the fluid flowing through the liquid opening 1 and the liquid opening 2.

2. A pressurized decontamination device according to claim 1, characterized in that: The liquid opening 1 is located at the bottom of the shell, and the filter element adopts a cylindrical mesh structure and is sleeved outside the fluid locking mechanism.

3. A pressurized decontamination device according to claim 2, characterized in that: The upper cover is provided with a through hole extending through the upper and lower parts, the fluid locking mechanism comprises a baffle sleeve, a connecting shaft, a connecting sleeve and a baffle plug, the baffle sleeve is inserted into the shell through the through hole, the lower end of the baffle sleeve is in communication with the liquid opening of the shell, and the baffle sleeve is provided with a guide groove; The connecting shaft, connecting sleeve and flow-blocking plug are arranged in the flow-blocking sleeve, the connecting sleeve is provided with an internal thread, the connecting shaft is provided with an external thread, the connecting sleeve is threadedly connected to the connecting shaft, one of the connecting sleeve and the connecting shaft is vertically slidably matched with the flow-blocking sleeve and the lower end is connected to the flow-blocking plug, the other of the connecting sleeve and the connecting shaft rotates to drive one of the connecting sleeve and the connecting shaft and the flow-blocking plug to move vertically, and the flow-blocking plug is inserted into one of the liquid openings of the shell.

4. The pressurized decontamination device according to claim 3 is characterized in that: The upper end of the other one of the connecting sleeve and the connecting shaft extends radially outward to form a shaft head, and the interior of the baffle sleeve extends radially inward to form an inner limiting boss, and the shaft head is limited by the inner limiting boss.

5. The pressurized decontamination device according to claim 4, characterized in that: The upper end of the inner wall of the baffle sleeve is provided with an annular limiting groove, the lower end of the shaft head inserted in the baffle sleeve is limited by the inner limiting boss, and the upper end is limited by the clamp clamped in the limiting groove.

6. A pressurized decontamination device according to claim 3, 4 or 5, characterized in that: The lower end of the baffle sleeve is connected to pipeline one, and the pipeline one is inserted into liquid opening one. The lower end of the baffle sleeve extends radially outward to form an outer limiting boss, and the outer limiting boss abuts against the inside of the shell.

7. The pressurized decontamination device according to claim 6, characterized in that: The lower end of the baffle sleeve extends radially outward on the outer limiting boss to form a filter limit block, the outer diameter of the filter limit block is smaller than the outer diameter of the outer limiting boss, the outer periphery of the filter limit block is set as a guide slope inclined from top to bottom and outward, and the filter element is sleeved outside the filter limit block.

8. A pressurized decontamination device according to claim 3, 4, 5 or 7, characterized in that: A ring-shaped limit ring is fixed on the lower surface of the upper cover, the upper cover is covered at the upper opening of the shell, the limit ring is inserted into the upper opening, and the outer wall of the limit ring is in conflict with the inner wall of the shell; The filter element is located between the limiting ring and the baffle sleeve, and the upper surface of the filter element is in conflict with the lower surface of the upper cover.

9. The pressurized decontamination device according to claim 8, characterized in that: The lower end of the inner wall of the limiting ring is arranged as a guiding inclined surface which is inclined from bottom to top and inward.

10. The pressurized decontamination device according to claim 7, characterized in that: O-shaped sealing rings are arranged between the pipeline 1 and the liquid opening 1, between the shaft head and the baffle sleeve, and between the baffle sleeve and the through hole of the upper cover.

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