Water supply equipment filter with filter element convenient to replace

Abstract

The utility model provides a water supply equipment filter convenient for replacing a filter element, which relates to the technical field of filters, and comprises a filter element fixing sleeve, a plurality of guide rods are fixedly arranged in the filter element fixing sleeve, the surfaces of the guide rods are sleeved with a filter plate, one end of the filter plate is fixedly provided with an elastic filter element plate, and the other end of the filter element plate is fixedly provided with a water inlet. A sealing seat is arranged on one side of the filter element fixing sleeve. Compared with the prior art, the filter has the advantages that the detachable sealing structure is arranged at the position corresponding to the filter element in the filter, the filter element in the filter is arranged to be the telescopic and adjustable filter element structure, the overall form of the filter element structure is adjusted according to the requirement for disassembly, assembly and replacement of the filter element, and the filter element structure can be stored; the size of the filter element structure corresponds to that of the closed structure, and the filter element structure can be quickly disassembled and assembled by disassembling and assembling the closed structure, so that the disassembly and assembly of the whole structure of the filter are avoided, the disassembly and assembly time is saved, and the disassembly and assembly convenience of the filter element of the filter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, and particularly relates to a filter for a water supply device which is convenient for replacing a filter element. Background Art

[0002] With the development and progress of social economy and technology, the water quality standard of the water supply system has been gradually improved, and the water supply capacity has been continuously enhanced. To meet the requirements of social development, the filter is an important part of the water supply device, which can filter the water source to ensure that there are no impurities in the water supply.

[0003] However, the installation of the filter element inside the existing filter for the water supply device is relatively tight. Disassembling and assembling the filter element often requires removing the whole filter to disassemble and replace the filter element, which is very inconvenient. Summary of the Utility Model

[0004] Therefore, the purpose of the utility model is to provide a filter for a water supply device which is convenient for replacing a filter element, so as to solve the problems mentioned in the background art and overcome the deficiencies existing in the prior art.

[0005] To achieve the above purpose, an embodiment of one aspect of the utility model provides a filter for a water supply device which is convenient for replacing a filter element, including a filter housing. A filter element fixing sleeve is fixedly installed inside the filter housing. A plurality of guide rods are fixedly installed inside the filter element fixing sleeve. A filter plate is sleeved on the surface of the guide rod. An elastic filter plate is fixedly installed at one end of the filter plate. A closing seat is arranged on one side of the filter element fixing sleeve. One end of the closing seat is fixedly connected with a fastening screw rod. One end of the fastening screw rod is threadedly connected with a fastening nut seat.

[0006] Preferably, a filter end cover is fixedly installed at the top of the filter housing. A disassembly and assembly groove adapted to the closing seat is formed in the middle of the filter housing. Closing bosses are arranged at both ends of the disassembly and assembly groove.

[0007] Adopting the above technical solution: The filter housing is closed and fixed by using the filter end cover to ensure the safety inside the filter housing. The filter housing is connected to the water supply device, so that the water of the water supply device enters the inside of the filter housing for filtration. The closing bosses are arranged to facilitate the disassembly and assembly of the filter housing.

[0008] Preferably, filter holes are formed inside the filter element fixing sleeve, and filter cotton is fixedly installed inside the filter element fixing sleeve.

[0009] Preferably, the plurality of guide rods are circumferentially distributed around the circumference of the filter cotton. An activity groove adapted to the guide rod is formed in the circumference of the filter plate. The filter plate is movably connected inside the filter element fixing sleeve.

[0010] Adopt the above technical solution: The filter element fixing sleeve is set as the overall support structure of the filter element. By disassembling and assembling the filter element fixing sleeve, the disassembly, assembly and replacement of the entire filter element can be realized. A notch is arranged at one end of the filter element fixing sleeve. According to the requirements of filter element disassembly and assembly, the filter plate can be adjusted through the notch, so that the filter plate moves along the guide rod. The guide rod is used to ensure the stability of the movement of the filter plate, and the filter plate can compress the filter cotton. The filter plate is received into the interior of the filter element fixing sleeve to adjust the volume of the filter element, which is convenient for disassembling and assembling the filter element.

[0011] Preferably, according to any of the above solutions, the elastic filter plate includes a connecting spring, a movable filter plate and a sleeve rod. The connecting spring is fixedly installed at the bottom of the filter plate. The movable filter plate is fixedly installed at the bottom of the connecting spring. The top end of the movable filter plate is fixedly installed with a sleeve rod that penetrates through the connecting spring and the filter plate.

[0012] Adopt the above technical solution: During the process of receiving the filter plate into the interior of the filter element fixing sleeve, the filter plate drives the connecting spring to move, so that the connecting spring drives the movable filter plate to move, and the movable filter plate can be moved into the interior of the filter element fixing sleeve to realize the storage of the filter element. During the operation of the movable filter plate, the movable filter plate drives the connecting spring to expand and contract with the flow of water, and the movable filter plate drives the sleeve rod to move inside the filter plate during the movement process, ensuring the stability of the position adjustment of the movable filter plate.

[0013] Preferably, according to any of the above solutions, the closing seat is clamped inside the filter housing, and the fastening screw penetrates through the closing boss and is threadedly connected to the fastening seat.

[0014] Adopt the above technical solution: During the disassembly, assembly and replacement of the filter element, the closing seat is disassembled and assembled through the fastening screw. The position of the closing seat is set corresponding to the position of the filter element, so that the position of the filter element can be disassembled and assembled specifically, which is convenient for disassembling and assembling the filter element.

[0015] Preferably, according to any of the above solutions, the fastening seat includes a fastening nut, a fastening spring and a fastening plate. The fastening nut is threadedly connected to one end of the fastening screw. One end of the fastening nut is fixedly installed with a fastening spring. One end of the fastening spring is fixedly installed with a fastening plate sleeved on the surface of the fastening screw.

[0016] Adopt the above technical solution: When disassembling and assembling the closing seat, rotate the fastening nut to disassemble and assemble it with the fastening screw. During the disassembly and assembly of the fastening nut, the fastening nut drives the fastening plate to fit with the closing boss through the fastening spring. With the pressure of the closing boss, the fastening nut drives the fastening spring to expand and contract as the fastening nut rotates. The elastic force generated by the deformation of the fastening spring is used to push the fixed fastening nut, so that the fastening nut drives the fastening screw to squeeze the closing seat, which can effectively enhance the fastening stability of the closing seat.

[0017] Compared with the prior art, the advantages and beneficial effects of the present utility model are as follows:

[0018] 1. A detachable and closed structure is provided at the position corresponding to the filter element inside the filter, and the filter element inside the filter is set as a filter element structure that can be telescopically adjusted. According to the needs of disassembling, installing and replacing the filter element, the overall shape of the filter element structure is adjusted, and the filter element structure can be stored to make the sizes of the filter element structure and the closed structure correspond. Through the disassembly and assembly of the closed structure, the filter element structure can be quickly disassembled and assembled, avoiding the disassembly and assembly of the overall structure of the filter, saving the disassembly and assembly time, and improving the convenience of disassembling and assembling the filter element of the filter.

[0019] 2. A bolt and nut structure is provided inside the closed structure, and an elastic fastening structure is provided at one end of the nut structure. The internal force generated after fixation by the fastening structure is used to push the nut structure, so that the bolt and nut structure squeezes the closed structure under the action of the internal force, enhancing the stability of the closed structure.

[0020] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0022] Figure 1 is a schematic structural diagram according to an embodiment of the present utility model;

[0023] Figure 2 is a schematic structural diagram of a closed seat according to an embodiment of the present utility model;

[0024] Figure 3 is a schematic cross-sectional structural diagram of a filter housing according to an embodiment of the present utility model;

[0025] Figure 4 is a schematic cross-sectional structural diagram of a filter element fixing sleeve according to an embodiment of the present utility model;

[0026] Wherein: 1 - filter housing, 2 - filter element fixing sleeve, 3 - guide rod, 4 - filter plate, 5 - elastic filter plate, 51 - connecting spring, 52 - movable filter plate, 53 - sleeve rod, 6 - closed seat, 7 - fastening screw, 8 - fastening seat, 81 - fastening nut, 82 - fastening spring, 83 - fastening plate, 9 - filter end cover, 10 - filter cotton. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following further describes the present utility model in conjunction with the accompanying drawings, but the protection scope of the present utility model is not limited to the following.

[0028] As Figures 1-4 shown, a water supply equipment filter facilitating filter element replacement according to an embodiment of the present utility model includes a filter housing 1. Inside the filter housing 1, a filter element fixing sleeve 2 is fixedly installed. Inside the filter element fixing sleeve 2, a plurality of guide rods 3 are fixedly installed. A filter plate 4 is sleeved on the surface of the guide rods 3. One end of the filter plate 4 is fixedly installed with an elastic filter element plate 5. On one side of the filter element fixing sleeve 2, a closing seat 6 is provided. One end of the closing seat 6 is fixedly connected with a fastening screw 7. One end of the fastening screw 7 is threadedly connected with a fastening nut 8.

[0029] Preferably, according to any of the above solutions, a filter end cover 9 is fixedly installed at the top of the filter housing 1. A disassembly and assembly groove adapted to the closing seat 6 is provided in the middle of the filter housing 1. Closing bosses are provided at both ends of the disassembly and assembly groove.

[0030] Adopting the above technical solution: The filter housing 1 is closed and fixed by the filter end cover 9 to ensure the safety inside the filter housing 1. The filter housing 1 is connected to the water supply equipment so that the water of the water supply equipment enters the inside of the filter housing 1 for filtration. The closing bosses are provided to facilitate the disassembly and assembly of the filter housing 1.

[0031] Preferably, according to any of the above solutions, filter holes are provided inside the filter element fixing sleeve 2, and a filter cotton 10 is fixedly installed inside the filter element fixing sleeve 2.

[0032] Preferably, according to any of the above solutions, the plurality of guide rods 3 are circumferentially distributed around the circumference of the filter cotton 10. Activity grooves adapted to the guide rods 3 are provided on the circumference of the filter plate 4. The filter plate 4 is movably connected inside the filter element fixing sleeve 2.

[0033] Adopting the above technical solution: The filter element fixing sleeve 2 is set as the overall support structure of the filter element. The disassembly and replacement of the entire filter element can be realized by disassembling and assembling the filter element fixing sleeve 2. A notch is provided at one end of the filter element fixing sleeve 2. The filter plate 4 can be adjusted through the notch according to the needs of filter element disassembly and assembly, so that the filter plate 4 moves along the guide rods 3. The stability of the movement of the filter plate 4 is ensured by the guide rods 3. The filter plate 4 can compress the filter cotton 10 and the filter plate 4 can be received inside the filter element fixing sleeve 2 to adjust the volume of the filter element, facilitating the disassembly and assembly of the filter element.

[0034] Preferably, according to any of the above solutions, the elastic filter element plate 5 includes a connecting spring 51, a movable filter plate 52 and a sleeve rod 53. The connecting spring 51 is fixedly installed at the bottom of the filter plate 4. The bottom of the connecting spring 51 is fixedly installed with the movable filter plate 52. The top of the movable filter plate 52 is fixedly installed with a sleeve rod 53 passing through the connecting spring 51 and the filter plate 4.

[0035] Adopting the above technical solution: During the process of accommodating the filter plate 4 inside the filter element fixing sleeve 2, the filter plate 4 drives the connecting spring 51 to move, so that the connecting spring 51 drives the movable filter plate 52 to move, and the movable filter plate 52 can be moved inside the filter element fixing sleeve 2 to achieve the accommodation of the filter element. During the operation of the movable filter plate 52, the movable filter plate 52 drives the connecting spring 51 to expand and contract along with the flow of water, and the movable filter plate 52 drives the sleeve rod 53 to move inside the filter plate 4 during the movement process, ensuring the stability of the position adjustment of the movable filter plate 52.

[0036] Preferably, according to any of the above solutions, the closing seat 6 is engaged inside the filter housing 1, and the fastening screw 7 passes through the closing boss and is threadedly connected to the fastening seat 8.

[0037] Adopting the above technical solution: During the disassembly and replacement of the filter element, the closing seat 6 is disassembled and assembled through the fastening screw 7. By setting the position of the closing seat 6 to correspond to the position of the filter element, the position of the filter element can be disassembled and assembled specifically, facilitating the disassembly and assembly of the filter element.

[0038] Preferably, according to any of the above solutions, the fastening seat 8 includes a fastening nut 81, a fastening spring 82 and a fastening plate 83. The fastening nut 81 is threadedly connected to one end of the fastening screw 7. One end of the fastening nut 81 is fixedly installed with a fastening spring 82, and one end of the fastening spring 82 is fixedly installed with a fastening plate 83 sleeved on the surface of the fastening screw 7.

[0039] Adopting the above technical solution: When disassembling and assembling the closing seat 6, rotate the fastening nut 81 to disassemble and assemble it with the fastening screw 7. During the disassembly and assembly of the fastening nut 81, the fastening nut 81 drives the fastening plate 83 to fit with the closing boss through the fastening spring 82. Utilizing the pressure of the closing boss, as the fastening nut 81 rotates, the fastening nut 81 drives the fastening spring 82 to expand and contract. Using the elastic force generated by the deformation of the fastening spring 82 to push the fixed fastening nut 81, so that the fastening nut 81 drives the fastening screw 7 to press the closing seat 6, which can effectively enhance the fastening stability of the closing seat 6.

[0040] The working principle of a water supply equipment filter of the present utility model that is convenient for replacing the filter element is as follows:

[0041] Rotate the fastening nut 81 to screw it out from the fastening screw 7, pull the closing seat 6 to remove it from the inside of the filter housing 1, move the filter plate 4 to accommodate it inside the filter element fixing sleeve 2, the filter plate 4 drives the movable filter plate 52 to the inside of the filter element fixing sleeve 2 through the connecting spring 51, and remove the filter element fixing sleeve 2 from the inside of the filter.

[0042] Compared with the prior art, the present utility model has the following beneficial effects compared with the prior art:

[0043] 1. A detachable closed structure is provided at the position corresponding to the filter element inside the filter, and the filter element inside the filter is set as a filter element structure that can be telescopically adjusted. According to the requirements of filter element disassembly, replacement and adjustment, the overall shape of the filter element structure can be adjusted, and the filter element structure can be stored to make the sizes of the filter element structure and the closed structure correspond. Through the disassembly and assembly of the closed structure, the filter element structure can be quickly disassembled and assembled, avoiding the disassembly and assembly of the overall structure of the filter, saving the disassembly and assembly time, and improving the convenience of filter element disassembly and assembly of the filter.

[0044] 2. A bolt and nut structure is provided inside the closed structure, and an elastic fastening structure is provided at one end of the nut structure. The internal force generated after fixation by the fastening structure is used to push the nut structure, so that the bolt and nut structure squeezes the closed structure under the action of the internal force, enhancing the stability of the closed structure.

Claims

1. A water supply equipment filter that is easy to replace the filter element, characterized in that: The invention comprises a filter housing (1), wherein a filter element fixing sleeve (2) is fixedly installed inside the filter housing (1), wherein a plurality of guide rods (3) are fixedly installed inside the filter element fixing sleeve (2), wherein a filter plate (4) is sleeved on the surface of the guide rod (3), wherein an elastic filter element plate (5) is fixedly installed at one end of the filter plate (4), and a closing seat (6) is arranged on one side of the filter element fixing sleeve (2), wherein one end of the closing seat (6) is fixedly connected to a fastening screw (7), and one end of the fastening screw (7) is threadedly connected to a fastening screw seat (8).

2. A water supply equipment filter that is easy to replace the filter element as claimed in claim 1, characterized in that: A filter end cover (9) is fixedly mounted on the top of the filter housing (1), a disassembly groove matching the closing seat (6) is provided in the middle of the filter housing (1), and closing bosses are provided at both ends of the disassembly groove.

3. A water supply equipment filter that is easy to replace the filter element as claimed in claim 2, characterized in that: A filter hole is provided inside the filter element fixing sleeve (2), and filter cotton (10) is fixedly installed inside the filter element fixing sleeve (2).

4. A water supply equipment filter with easy filter element replacement as claimed in claim 3, characterized in that: A plurality of guide rods (3) are circumferentially distributed on the circumference of the filter cotton (10); a movable groove adapted to the guide rods (3) is provided on the circumference of the filter plate (4); and the filter plate (4) is movably connected to the interior of the filter element fixing sleeve (2).

5. A water supply equipment filter with easy filter element replacement as claimed in claim 4, characterized in that: The elastic filter element plate (5) comprises a connecting spring (51), a movable filter plate (52) and a sleeve rod (53); the connecting spring (51) is fixedly mounted on the bottom of the filter plate (4); the movable filter plate (52) is fixedly mounted on the bottom of the connecting spring (51); and the sleeve rod (53) penetrating the connecting spring (51) and the filter plate (4) is fixedly mounted on the top of the movable filter plate (52).

6. A water supply equipment filter with easy filter element replacement as claimed in claim 5, characterized in that: The closing seat (6) is engaged with the interior of the filter housing (1), and the fastening screw (7) passes through the closing boss and the fastening screw seat (8) for threaded connection.

7. A water supply equipment filter with easy filter element replacement as claimed in claim 6, characterized in that: The fastening screw seat (8) comprises a fastening nut (81), a fastening spring (82) and a fastening plate (83); the fastening nut (81) is threadedly connected to one end of the fastening screw rod (7); the fastening spring (82) is fixedly mounted on one end of the fastening nut (81); and the fastening plate (83) sleeved on the surface of the fastening screw rod (7) is fixedly mounted on one end of the fastening spring (82).

Images