Core type filter with filter element convenient to replace

Abstract

The utility model provides a core type filter convenient to replace a filter core, which comprises a base, a dismounting mechanism is arranged on the base, the upper end of the base is in contact with a shell, a water outlet pipe is arranged in the lower end of the base, and a blow-off pipe is arranged in the lower end of the base and positioned on the right side of the water outlet pipe. A water inlet pipe is arranged in the upper end of the shell, a cleaning pipe is arranged in the upper end of the shell and located on the left side of the water inlet pipe, an electric rotating frame is arranged in the middle of the upper end of the shell, a pressure gauge is arranged at the upper end of the shell and located on the right side of the cleaning pipe, and a limiting mechanism is arranged on the electric rotating frame. And two scraping plates which are symmetrically distributed are connected into the electric rotating frame in a sliding and sleeving manner. According to the core type filter convenient for replacing the filter element, the convenience in overhauling and replacing the filter element can be improved, and the convenience in overhauling the scraper blade can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of core filters, in particular to a core filter which is convenient for replacing filter elements. Background Art

[0002] The core filter is a precision device that uses a filter element to directly intercept impurities in the water, remove suspended solids and particulate matter in the water, reduce turbidity, purify water quality, reduce system dirt, bacteria, algae, rust, etc., so as to purify water quality and protect the normal operation of other equipment in the system. The material enters the core filter body from the feed inlet, and the impurities are intercepted by the filter element to the surface of the filter element. When the filter element is blocked, the filter element is manually removed from the housing and replaced with a new filter element before filtering. According to the utility model patent with the patent authorization announcement number CN219440867U, a core filter is disclosed, including a top cover, the lower end of the top cover is fixedly connected with a housing, the upper end surface of the top cover is provided with a motor, the output end of the motor penetrates the upper end surface of the top cover and is fixedly connected with a fixing frame, the two inner side walls of the fixing frame are provided with a plurality of first springs, the other end of the plurality of first springs is provided with two scrapers, a cleaning pipe is provided on one side of the upper end surface of the top cover, the upper end of the cleaning pipe is provided with a cleaning valve, the lower end of the cleaning pipe is fixedly connected with a nozzle, the fixing frame is driven to rotate by the motor, the fixing machine rotates and drives the two scrapers to rotate, the two scrapers scrape the impurities on the surface of the filter element, and at the same time, clean liquid is injected from the cleaning pipe through the nozzle to rinse the two scrapers and the inside of the filter, thereby reducing the number of impurities attached to the surface of the filter element, maintaining the normal operation of the filter element, and no need to frequently disassemble and assemble the filter element for cleaning. However, in the prior art, the filter element needs to remove the screws on the housing for inspection and replacement, which is inconvenient to operate, and the scraper will be worn after long-term use, which is also inconvenient to inspect and replace. Utility Model Content

[0003] The utility model aims to provide a core filter which is easy to replace the filter element, which can improve the convenience of repairing and replacing the filter element and the convenience of repairing the scraper.

[0004] The embodiment of the utility model is achieved as follows:

[0005] The embodiment of the utility model provides a core filter which is easy to replace the filter element, including a base, a disassembly and assembly mechanism is arranged on the base, the upper end of the base contacts with the shell, the lower end of the base is internally provided with an outlet pipe, the lower end of the base is internally provided with a sewage pipe and located on the right side of the outlet pipe, the upper end of the shell is internally provided with a water inlet pipe, the upper end of the shell is internally provided with a cleaning pipe and located on the left side of the water inlet pipe, an electric rotating frame is arranged in the middle part of the upper end of the shell, a pressure gauge is arranged on the upper end of the shell and located on the right side of the cleaning pipe, a limiting mechanism is arranged on the electric rotating frame, two symmetrically distributed scrapers are slidably sleeved inside the electric rotating frame, one end of the scraper away from the electric rotating frame contacts with the filter element, the filter element is connected to the base by bolts, one end of the scraper away from the filter element is fixedly connected with a connecting rod, the connecting rod is slidably connected to the electric rotating frame, a spring is arranged on the outer side of the connecting rod, one end of the spring contacts with the scraper, and the other end of the spring is fixedly connected to the electric rotating frame.

[0006] Optionally, the limiting mechanism includes a limiting rod, the lower end of the connecting rod is internally slidably sleeved with the limiting rod, the outer side of the limiting rod is slidably sleeved with a support frame, the support frame is fixedly connected to the electric rotating frame, the outer side of the limiting rod and located at the lower end of the support frame is fixedly sleeved with a flexible sleeve, the flexible sleeve is in contact with the support frame, and the disassembly and assembly of the scraper can be controlled by the set limiting rod.

[0007] Optionally, a first elastic block is slidably sleeved on the outer side of the limit rod, one end of the first elastic block is fixedly connected to the limit rod, and the other end of the first elastic block is fixedly connected to the support frame. The stability of the limit rod during use can be improved by setting the first elastic block.

[0008] Optionally, a hinged rod is hinged at the lower end of the support frame, and a stopper is fixedly connected to the outer side of the limit rod and located at the lower end of the flexible sleeve. The convenience of replacing the scraper can be improved by setting the hinged rod.

[0009] Optionally, the disassembly and assembly mechanism includes a fixed block, two symmetrically distributed fixed blocks are fixedly connected to the left and right ends of the shell, the fixed blocks are in contact with the base, a positioning rod is slidably sleeved inside the lower end of the fixed block, the positioning rod is fixedly connected to the base, a clamping block is slidably sleeved inside the end of the positioning rod away from the shell, the clamping block is slidably connected to the fixed block, a guide rod is fixedly connected to the end of the clamping block away from the positioning rod, the guide rod is slidably connected to the fixed block, a limiting block is fixedly sleeved on the outer side of the guide rod, the limiting block is in contact with the fixed block, and the disassembly and assembly of the shell can be controlled by the set clamping block.

[0010] Optionally, a pressing block is slidably sleeved inside the upper end of the fixing block, and the pressing block is slidably connected to the guide rod. The convenience of removing the outer shell can be improved by providing the pressing block.

[0011] Optionally, a second elastic block is slidably sleeved on the outer side of the guide rod, one end of the second elastic block is fixedly connected to the clamping block, and the other end of the second elastic block is fixedly connected to the fixed block. The second elastic block can improve the stability of the clamping block during use.

[0012] The beneficial effects of the embodiment of the utility model include: the specific implementation of the core filter refers to the utility model patent with the patent authorization announcement number CN219440867U, the actual pressure in the filter can be checked by the set pressure gauge, the scraper can be pushed by the spring to improve the stability of the scraping effect of the scraper on the filter element, when the scraper needs to be replaced, one of the flexible sleeves is moved vertically downward, the movement of the flexible sleeve will drive the limit rod to move, the movement of the limit rod will squeeze the first elastic block, when the limit rod moves to the appropriate position, the hinge rod is rotated to rotate the lower end of the hinge rod When the scraper is to be installed, the connecting rod is first slid into the electric rotating frame, and after the connecting rod is moved to the appropriate position, the hinged rod is rotated so that the hinged rod is no longer in contact with the block. Under the push of the first elastic block, the limit rod is pushed to reset, so that the limit rod is slid into the connecting rod, and the replacement of the scraper is completed. The first elastic block can improve the stability of the limit rod when in use. The hinged rod can improve the convenience of scraper maintenance and replacement. The limit mechanism can improve the convenience of scraper maintenance and the convenience of using the core filter. When the filter element needs to be replaced, the shell needs to be removed and the pressing block is pushed vertically downward. The movement of the pressing block will squeeze the guide rod. The guide rod will move away from the positioning rod due to the squeezing. The movement of the guide rod will drive the block to move. The movement of the block will squeeze the second elastic block. When the block moves to no longer contact the positioning rod, it will move vertically downward. The fixing block is moved upward so that the fixing block no longer contacts the positioning rod, and the outer shell can be removed. Subsequently, the filter element can be replaced by removing the bolts. After replacement, the bolts are reset, and then the fixing block is moved vertically so that the positioning rod is slidably inserted into the fixing block. When the positioning rod moves, the card block is squeezed, and the movement of the card block squeezes the second elastic block. When the lower end of the fixing block contacts the base, the card block is pushed to slide into the positioning rod under the push of the second elastic block, and the installation of the filter element can be completed. By setting the disassembly and assembly mechanism, the convenience of filter element maintenance is improved, and the convenience of core filter maintenance is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a three-dimensional diagram of the overall structure of a core filter that is easy to replace the filter element of the utility model;

[0015] Figure 2 The utility model is a core filter which is easy to replace the filter element Figure 1 A front cross-sectional view of

[0016] Figure 3 The utility model is a core filter which is easy to replace the filter element Figure 3 Enlarged view of point A in the middle;

[0017] Figure 4 The utility model is a core filter which is easy to replace the filter element Figure 3 Enlarged view of point B in the middle.

[0018] Figure 5 The utility model is a core filter which is easy to replace the filter element Figure 4 A three-dimensional diagram of the local structure of the middle fixed block;

[0019] Icons: 1. Base; 2. Shell; 3. Cleaning pipe; 4. Water inlet pipe; 5. Drain pipe; 6. Water outlet pipe; 7. Filter element; 8. Limiting mechanism; 81. Limiting rod; 82. Support frame; 83. First elastic block; 84. Flexible sleeve; 85. Stop block; 86. Articulated rod; 9. Disassembly and assembly mechanism; 91. Positioning rod; 92. Block; 93. Second elastic block; 94. Guide rod; 95. Limiting block; 96. Pressure block; 97. Fixed block; 10. Electric rotating frame; 11. Pressure gauge; 12. Scraper; 13. Connecting rod; 14. Spring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1 , Figure 2 , Figure 3 As shown, the embodiment of the utility model provides a core filter that is easy to replace the filter element, including a base 1, a disassembly mechanism 9 is arranged on the base 1, the upper end of the base 1 contacts the shell 2, a water outlet pipe 6 is arranged inside the lower end of the base 1, a sewage pipe 5 is arranged inside the lower end of the base 1 and on the right side of the water outlet pipe 6, a water inlet pipe 4 is arranged inside the upper end of the shell 2, a cleaning pipe 3 is arranged inside the upper end of the shell 2 and on the left side of the water inlet pipe 4, an electric rotating frame 10 is arranged in the middle of the upper end of the shell 2, and a cleaning pipe 3 is arranged on the upper end of the shell 2 and on the right side of the cleaning pipe 3 There is a pressure gauge 11, a limiting mechanism 8 is arranged on the electric rotating frame 10, two symmetrically distributed scrapers 12 are slidably sleeved inside the electric rotating frame 10, one end of the scraper 12 away from the electric rotating frame 10 contacts with the filter element 7, the filter element 7 is connected to the base 1 by bolts, one end of the scraper 12 away from the filter element 7 is fixedly connected with a connecting rod 13, the connecting rod 13 is slidably connected to the electric rotating frame 10, a spring 14 is arranged on the outside of the connecting rod 13, one end of the spring 14 contacts with the scraper 12, and the other end of the spring 14 is fixedly connected to the electric rotating frame 10.

[0025] like Figure 2 , Figure 3 As shown, the limiting mechanism 8 includes a limiting rod 81, and the limiting rod 81 is slidably sleeved inside the lower end of the connecting rod 13, and a support frame 82 is slidably sleeved on the outer side of the limiting rod 81, and the support frame 82 is fixedly connected to the electric rotating frame 10. A flexible sleeve 84 is fixedly sleeved on the outer side of the limiting rod 81 and located at the lower end of the support frame 82, and the flexible sleeve 84 contacts the support frame 82. The disassembly and assembly of the scraper 12 can be controlled by the set limiting rod 81, and a first elastic block 83 is slidably sleeved on the outer side of the limiting rod 81. One end of the first elastic block 83 is fixedly connected to the limiting rod 81, and the other end of the first elastic block 83 is fixedly connected to the support frame 82. The stability of the limiting rod 81 during use can be improved by setting the first elastic block 83, and the lower end of the support frame 82 is hinged with a hinged rod 86, and a stopper 85 is fixedly connected to the outer side of the limiting rod 81 and located at the lower end of the flexible sleeve 84. The convenience of replacing the scraper 12 can be improved by setting the hinged rod 86.

[0026] like Figure 2 , Figure 4 , Figure 5 As shown, the disassembly and assembly mechanism 9 includes a fixed block 97. Two symmetrically distributed fixed blocks 97 are fixedly connected to the left and right ends of the housing 2. The fixed blocks 97 are in contact with the base 1. A positioning rod 91 is slidably sleeved inside the lower end of the fixed block 97. The positioning rod 91 is fixedly connected to the base 1. A clamping block 92 is slidably sleeved inside the end of the positioning rod 91 away from the housing 2. The clamping block 92 is slidably connected to the fixed block 97. A guide rod 94 is fixedly connected to the end of the clamping block 92 away from the positioning rod 91. The guide rod 94 is slidably connected to the fixed block 97. The outer side of the guide rod 94 is fixedly sleeved with a limiting block 95, the limit block 95 is in contact with the fixed block 97, and the disassembly and assembly of the shell 2 can be controlled by the set block 92. The upper end of the fixed block 97 is internally slidably sleeved with a pressure block 96, and the pressure block 96 is slidably connected to the guide rod 94. The convenience of removing the shell 2 can be improved by setting the pressure block 96, and the outer side of the guide rod 94 is slidably sleeved with a second elastic block 93, one end of the second elastic block 93 is fixedly connected to the block 92, and the other end of the second elastic block 93 is fixedly connected to the fixed block 97. The stability of the block 92 when in use can be improved by setting the second elastic block 93.

[0027] It should be noted that the specific implementation of the core filter refers to the utility model patent with the patent authorization announcement number CN219440867U. The actual pressure in the filter can be checked by the pressure gauge 11. The scraper 12 can be pushed by the spring 14 to increase the stability of the scraping effect of the scraper 12 on the filter element 7. When the scraper 12 needs to be replaced, one of the flexible sleeves 84 is moved vertically downward. The movement of the flexible sleeve 84 will drive the limit rod 81 to move. The movement of the limit rod 81 will squeeze the first elastic block 83. When the limit rod 81 moves to a suitable position, the hinge rod 86 is rotated to rotate the lower end of the hinge rod 86 to the upper end of the stopper 85, and then the flexible sleeve 84 is released. The sleeve 84 can prevent the limit rod 81 from resetting under the obstruction of the hinged rod 86, and then the limit rod 81 on the other side is operated in the same way, and then the scraper 12 is moved horizontally, so that the scraper 12 drives the connecting rod 13 to no longer contact with the electric rotating frame 10, and the removal of the scraper 12 is completed. When installing a new scraper 12, first slide the connecting rod 13 into the electric rotating frame 10, and after the connecting rod 13 moves to a suitable position, rotate the hinged rod 86 so that the hinged rod 86 no longer contacts the stopper 85, and under the push of the first elastic block 83, push the limit rod 81 to reset, so that the limit rod 81 is slidably inserted into the connecting rod 13, and the replacement of the scraper 12 is completed. The block 83 can improve the stability of the limit rod 81 when in use. The hinged rod 86 provided can improve the convenience of the scraper 12 when being repaired and replaced. The limit mechanism 8 is provided to improve the convenience of the scraper 12 when being repaired and replaced, and to improve the convenience of the core filter when in use. When the filter element 7 needs to be replaced, the housing 2 needs to be removed, and the pressing block 96 is pushed vertically downward. The movement of the pressing block 96 will squeeze the guide rod 94. The guide rod 94 will be squeezed and move in a direction away from the positioning rod 91. The movement of the guide rod 94 will drive the block 92 to move. The movement of the block 92 will squeeze the second elastic block 93. When the block 92 moves to no longer contact the positioning rod 91, it will move vertically upward. Move the fixing block 97 so that the fixing block 97 no longer contacts the positioning rod 91, and the housing 2 can be dismantled, and then the filter element 7 can be replaced by removing the bolts. After replacement, it is reset by the bolts, and then the fixing block 97 is moved vertically to make the positioning rod 91 slide and insert into the fixing block 97. When the positioning rod 91 moves, it squeezes the block 92, and the movement of the block 92 squeezes the second elastic block 93. When the lower end of the fixing block 97 contacts the base 1, under the push of the second elastic block 93, the block 92 is pushed to slide and insert into the positioning rod 91, and the installation of the filter element 7 can be completed. By setting the disassembly and assembly mechanism 9, the convenience of overhauling the filter element 7 is improved, and the convenience of overhauling the core filter is improved.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A core filter for easy replacement of a filter element, comprising a base (1), characterized in that: The base (1) is provided with a disassembly and assembly mechanism (9); the upper end of the base (1) contacts the outer shell (2); the lower end of the base (1) is provided with a water outlet pipe (6); the lower end of the base (1) is provided with a sewage pipe (5) on the right side of the water outlet pipe (6); the upper end of the outer shell (2) is provided with a water inlet pipe (4); the upper end of the outer shell (2) is provided with a cleaning pipe (3) on the left side of the water inlet pipe (4); the middle part of the upper end of the outer shell (2) is provided with an electric rotating frame (10); the upper end of the outer shell (2) is provided with a pressure gauge (11) on the right side of the cleaning pipe (3); the upper end of the electric rotating frame (10) is provided with a pressure gauge (11) on the right side of the cleaning pipe (3); A limit mechanism (8) is provided. Two symmetrically distributed scrapers (12) are slidably sleeved inside the electric rotating frame (10). One end of the scraper (12) away from the electric rotating frame (10) contacts a filter element (7). The filter element (7) is connected to the base (1) by bolts. One end of the scraper (12) away from the filter element (7) is fixedly connected to a connecting rod (13). The connecting rod (13) is slidably connected to the electric rotating frame (10). A spring (14) is provided on the outside of the connecting rod (13). One end of the spring (14) contacts the scraper (12), and the other end of the spring (14) is fixedly connected to the electric rotating frame (10).

2. A core filter for easy replacement of filter elements according to claim 1, characterized in that: The limiting mechanism (8) comprises a limiting rod (81), the lower end of the connecting rod (13) is internally slidably sleeved on the limiting rod (81), the outer side of the limiting rod (81) is slidably sleeved on a support frame (82), the support frame (82) is fixedly connected to the electric rotating frame (10), and a flexible sleeve (84) is fixedly sleeved on the outer side of the limiting rod (81) and located at the lower end of the support frame (82), and the flexible sleeve (84) is in contact with the support frame (82).

3. A core filter for easy replacement of filter elements according to claim 2, characterized in that: A first elastic block (83) is slidably sleeved on the outer side of the limiting rod (81), one end of the first elastic block (83) is fixedly connected to the limiting rod (81), and the other end of the first elastic block (83) is fixedly connected to the supporting frame (82).

4. The core filter for easy replacement of the filter element according to claim 2, characterized in that: The lower end of the support frame (82) is hinged with a hinge rod (86), and a stopper (85) is fixedly connected to the outer side of the limiting rod (81) and located at the lower end of the flexible sleeve (84).

5. The core filter for easy replacement of the filter element according to claim 1, characterized in that: The disassembly and assembly mechanism (9) comprises a fixed block (97). Two symmetrically distributed fixed blocks (97) are fixedly connected to the left and right ends of the shell (2). The fixed blocks (97) are in contact with the base (1). A positioning rod (91) is slidably sleeved inside the lower end of the fixed block (97). The positioning rod (91) is fixedly connected to the base (1). A clamping block (92) is slidably sleeved inside the end of the positioning rod (91) away from the shell (2). The clamping block (92) is slidably connected to the fixed block (97). A guide rod (94) is fixedly connected to the guide rod (94) at one end of the clamping block (92) away from the positioning rod (91). The guide rod (94) is slidably connected to the fixed block (97). A limit block (95) is fixedly sleeved on the outer side of the guide rod (94). The limit block (95) is in contact with the fixed block (97).

6. A core filter for easy replacement of filter elements according to claim 5, characterized in that: A pressing block (96) is slidably sleeved inside the upper end of the fixed block (97), and the pressing block (96) is slidably connected to the guide rod (94).

7. The core filter for easy replacement of the filter element according to claim 5, characterized in that: A second elastic block (93) is slidably sleeved on the outer side of the guide rod (94); one end of the second elastic block (93) is fixedly connected to the clamping block (92); and the other end of the second elastic block (93) is fixedly connected to the fixing block (97).

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