Filter element convenient to disassemble and assemble

Abstract

The utility model discloses a filter element convenient to disassemble and assemble, and relates to the related technical field of filtration. The filter comprises a filter shell, a sealing cover and a filter element main body, the sealing cover is screwed at the upper end of the filter shell, the filter element main body is arranged in an inner cavity of the filter shell, two symmetrical vertical grooves are formed in the inner wall of the filter shell above a limiting ring, and two transverse grooves are further formed in the inner wall of the filter shell on the side surface of each vertical groove; the filter element body comprises an upper end cover, a lower end cover and an inner framework fixed between the upper end cover and the lower end cover, and two centrosymmetric arc blocks are fixed to the periphery of each of the upper end cover and the lower end cover. Through the arrangement of the filter element main body, the filter shell, the arc block, the vertical groove, the transverse groove, the sealing cover and the plugging head, the problems that the filter element needs to be operated conveniently, the stability is high after replacement, and position deviation is not generated are solved; and after the filter element is replaced, the sealing property needs to be guaranteed to a certain extent, and the overall replacement cost of the filter element is relatively high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of filtration, especially, a filter core convenient to dismount. BACKGROUND

[0002] The filter core is a professional term with the function of filtering and purifying, mainly used for purifying resources of original fluid and separating resources. It mainly has the forms of gas-liquid separation, solid-liquid separation, exhaust filtration and the like, and is widely applied in the fields of oil filtration, air filtration, water filtration and the like. The filter core is more widely used in air filtration and liquid filtration, but it still has the following problems in the actual use process:

[0003] For example, in the water filtration process, the filter core in the filter needs to be replaced regularly, and how to conveniently replace the filter core is a problem. The filter core needs to be convenient to operate and high in stability after replacement, and cannot have the phenomenon of deviation, otherwise the filtration effect will be affected.

[0004] Secondly, the sealing performance after replacement needs to be guaranteed, and leakage cannot occur at the connection between the cover and the filter.

[0005] In addition to the convenient dismounting of the filter core, the filter core is usually replaced and dismounted as a whole, but the cost of some filter cores is relatively high, and direct replacement will increase the cost. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a filter core convenient to dismount, which is provided with a filter core main body, a filter shell, an arc block, vertical grooves, horizontal grooves, a cover and a plugging head, and solves the problems that the filter core needs to be convenient to operate, high in stability after replacement and free from deviation, and that the sealing performance after replacement of the filter core needs to be guaranteed and the cost of the whole replacement of the filter core is high.

[0007] To solve the above technical problems, the utility model is implemented by the following technical scheme:

[0008] The utility model discloses a filter core convenient to dismount, which comprises a filter shell, a cover and a filter core main body, the upper end of the filter shell is rotationally connected with the cover, the inner cavity of the filter shell is provided with the filter core main body, the inner wall of the lower part of the filter shell is fixedly connected with a limiting ring, two symmetrical vertical grooves are formed in the inner wall of the filter shell above the limiting ring, and two horizontal grooves are further formed in the inner wall of the filter shell on the side surface of each vertical groove.

[0009] The filter core body comprises an upper end cover, a lower end cover and an inner framework fixed between the upper end cover and the lower end cover, and the inner framework is wrapped with filter material, and two outer frameworks symmetrically distributed are fixed outside the filter material; the outer periphery of the upper end cover and the lower end cover is fixed with two arc blocks which are centrally symmetric, and the arc blocks outside the upper end cover are located in two upper horizontal grooves, and the two arc blocks outside the lower end cover are located in two lower horizontal grooves.

[0010] Further, a baffle is fixed on each of the two side edges of the outer framework, and the two baffles in contact with each other between the two outer frameworks are fixedly connected through bolts and nuts, and the upper and lower ends of the outer framework are provided with rubber pads and contact the upper end cover and the lower end cover.

[0011] Further, a water outlet is fixed through the bottom of the lower end cover, and the inner cavity of the water outlet is in communication with the inner cavity of the inner framework, and a sealing rubber sleeve is arranged on the part of the water outlet extending out of the lower end cover, and the lower part of the sealing rubber sleeve penetrates through the limiting plate downward and extends out.

[0012] Further, the bottom surface of the lower end cover contacts the upper end of the limiting ring, and the top surface of the upper end cover is provided with symmetric wrench grooves.

[0013] Further, the inner top of the cover is rotatably connected with a plugging head, and the bottom of the plugging head is fixed with a pressing block, the bottom surface of the pressing block contacts the upper end of the upper end cover, the two ends of the pressing block are fixed with arc pieces, the two arc pieces are located in the two vertical grooves, and the lower part of the arc piece extends downward and is located outside the upper end cover, the bottom end of the arc piece is flush with the bottom surface of the upper horizontal groove located above, and the arc piece contacts the arc block close thereto.

[0014] Further, the plugging head is sleeved with a sealing ring and a sealing sleeve, and the sealing ring is located above the sealing sleeve, the upper end of the sealing ring contacts the inner top of the cover, and the outer wall of the sealing ring contacts the inner wall of the cover, and the bottom end of the sealing sleeve is flush with the bottom end of the plugging head and the upper end of the arc piece.

[0015] Further, the inner top of the filter housing is provided with a mounting groove, the plugging head and the sealing sleeve are located in the mounting groove, and the outer wall of the sealing sleeve contacts the inner wall of the mounting groove, and the part of the bottom surface of the sealing ring beyond the sealing sleeve contacts the top surface of the filter housing.

[0016] The utility model has the following beneficial effects:

[0017] The utility model discloses a filter core main part, filter shell, arc piece, vertical groove, horizontal groove are set up, solved the problem that filter core needs to keep convenient operation, high stability after replacement, does not produce position deviation, when assembling filter core main part, the lower end cover of filter core main part is inserted into filter shell downwards, makes the arc piece of upper end cover and lower end cover outside alignment vertical groove and inserts, until the lower end cover contacts the stop ring and stops, subsequently rotates filter core main part, makes the arc piece into horizontal groove, can complete the assembly, subsequently, again the cover of capping is established on the upper end of filter shell, and the arc piece is inserted into vertical groove and is blocked in the horizontal groove in the upper, makes the arc piece unable to separate from horizontal groove, thereby the position of filter core main part is limited and does not deviate, keeps stable.

[0018] The utility model discloses a cover, block head are set up, solved the problem that the sealing property of filter core after replacement needs certain guarantee, after replacing filter core, the arc piece is inserted into alignment vertical groove, and the block is pressed on the upper end cover, and the block head and sealing sleeve enter the installation groove and keep the sealing of the upper end port place of filter shell, and the cover of sealing ring is established again, and the upper end of filter shell is closed and sealed, keeps the structure stable, and the sealing property is sufficient.

[0019] The utility model discloses a filter core main part, outer skeleton are set up, solved the problem that the cost of filter core whole replacement is higher, after removing filter core, can not replace whole filter core main part, and the outer skeleton is taken off, and the filter material of its inboard is removed, and the new filter material is replaced, and is installed on the outer skeleton, only replaces the filter material, and more cost -effective. ACCURACY OF DRAWINGS

[0020] In order to make the technical scheme of the embodiments of the utility model more clearly, the following will introduce the drawing needed for the embodiment description briefly.

[0021] Figure 1 It is the perspective view of a filter core convenient to dismount;

[0022] Figure 2 It is the sectional view of a filter core convenient to dismount;

[0023] Figure 3 It is the connection view of filter shell section and filter core main part;

[0024] Figure 4 It is the connection view of filter core main part;

[0025] Figure 5 It is the sectional exploded view of filter core main part;

[0026] Figure 6 It is the sectional view of filter shell;

[0027] Figure 7 It is the sectional view of cover;

[0028] Figure 8 It is the bottom view of cover.

[0029] Reference signs:

[0030] 1, filter housing; 101, limit ring; 102, mounting groove; 103, vertical groove; 104, horizontal groove; 2, cover; 201, plugging head; 202, pressing block; 2021, arc piece; 203, sealing ring; 204, sealing sleeve; 3, filter core body; 301, upper end cover; 3011, wrench groove; 302, lower end cover; 3021, water outlet; 303, arc block; 304, outer framework; 3041, strip plate; 305, sealing rubber sleeve; 306, inner framework; 307, filter material. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

[0032] Please refer to Figures 1-8 The utility model discloses a filter core convenient to disassemble, which comprises a filter housing 1, a cover 2 and a filter core body 3. The cover 2 is rotatably connected to the upper end of the filter housing 1. The filter core body 3 is arranged in the inner cavity of the filter housing 1. A limit ring 101 is fixed to the inner wall of the lower part of the filter housing 1. Two vertical grooves 103 are formed in the inner wall of the filter housing 1 above the limit ring 101. Two horizontal grooves 104 are further formed in the inner wall of the filter housing 1 on the sides of each vertical groove 103.

[0033] The filter housing 1, the cover 2 and the filter core body 3 constitute the main structure of the filter. The filter core is used for filtering. Water enters the filter through a water inlet pipe connected to the side wall of the filter housing 1 above the limit ring 101 (the water inlet pipe is omitted in the drawings). The water successively passes through the outer framework 304, the filter material 307 and the inner framework 306 in the filter core body 3, and is then discharged from the water outlet 3021 in the lower end cover 302. The water is then discharged from a water outlet pipe connected to the bottom end of the filter (the water outlet pipe is omitted in the drawings), thereby completing the whole filtering process.

[0034] The filter core body 3 comprises an upper end cover 301, a lower end cover 302 and an inner framework 306 fixed between the upper end cover 301 and the lower end cover 302. The inner framework 306 is covered with the filter material 307. The filter material 307 is covered with two symmetrically distributed outer frameworks 304. The outer periphery of the upper end cover 301 and the lower end cover 302 is fixed with two center-symmetric arc blocks 303. The arc blocks 303 outside the upper end cover 301 are located in the upper two horizontal grooves 104. The two arc blocks 303 outside the lower end cover 302 are located in the lower two horizontal grooves 104.

[0035] First, the filter core body 3 is composed of the main body part connected by the inner framework 306 between the upper end cover 301 and the lower end cover 302, then the filter material 307 is wrapped outside the inner framework 306 as the main filtering part, and finally the outer framework 304 is wrapped outside the filter material 307 to complete the assembly. When the filter core body 3 is inserted into the filter shell 1, the arc blocks 303 outside the upper end cover 301 and the lower end cover 302 are aligned and inserted into the vertical grooves 103, and the rotation of the filter core body 3 is stopped until the lower end cover 302 contacts the limiting ring 101, and then the arc blocks 303 enter the horizontal grooves 104, thereby completing the assembly.

[0036] The outer framework 304 is fixed with a strip plate 3041 on both sides, and the two strip plates 3041 between the two outer frameworks 304 in contact are fixed and connected by bolts and nuts, and the upper and lower ends of the outer framework 304 are provided with rubber pads and contact the upper end cover 301 and the lower end cover 302; the strip plate 3041 is provided to facilitate the connection of the two outer frameworks 304, and to increase the sealing of the connection to avoid excessive gaps; and the rubber pad is provided to increase the sealing of the contact with the upper end cover 301 and the lower end cover 302.

[0037] The bottom of the lower end cover 302 is fixed with a water outlet 3021, and the inner cavity of the water outlet 3021 is in communication with the inner cavity of the inner framework 306. The part of the water outlet 3021 below the lower end cover 302 is provided with a sealing rubber sleeve 305, and the lower part of the sealing rubber sleeve 305 penetrates the limiting plate downward and extends out;

[0038] When the filter core body 3 is inserted into the filter shell 1, the lower end cover 302 moves towards the limiting ring 101, and when the lower end cover 302 contacts the limiting ring 101, the water outlet 3021 and the sealing rubber sleeve 305 outside the water outlet 3021 extend out of the limiting ring 101. The sealing rubber sleeve 305 can ensure the sealing of the connection between the water outlet 3021 and the limiting ring 101, avoid backflow, and ensure smooth water outlet.

[0039] The bottom surface of the lower end cover 302 contacts the upper end of the limiting ring 101, and the top surface of the upper end cover 301 is provided with symmetric wrench grooves 3011;

[0040] The wrench grooves 3011 are provided to facilitate the rotation of the entire filter core body 3 by holding the upper end cover 301.

[0041] The inner top of the cover 2 is rotatably connected with a plugging head 201, and the bottom of the plugging head 201 is fixed with a pressing block 202, the bottom surface of the pressing block 202 contacts the upper end of the upper end cover 301, the two ends of the pressing block 202 are fixed with arc pieces 2021, the two arc pieces 2021 are located in the two vertical grooves 103, the lower part of the arc piece 2021 extends downward out of the pressing block 202 and is located outside the upper end cover 301, the bottom end of the arc piece 2021 is flush with the bottom surface of the horizontal groove 104 located above, and the arc piece 2021 contacts the arc block 303 close to it;

[0042] When the upper end of the filter housing 1 is closed, the cover 2 is arranged on the upper end of the filter housing 1, at this time, the arc piece 2021 is inserted into the vertical slot 103 first, until the lower part of the arc piece 2021 is located outside the lower end cover 302 and abuts against the arc block 303 in the horizontal slot 104, so that the arc block 303 cannot be separated from the horizontal slot 104 and enter the vertical slot 103, thereby limiting the position of the filter core body 3, at this time, the bottom end of the pressing block 202 contacts the upper end cover 301, and the plugging head 201 is located in the installation slot 102.

[0043] The plugging head 201 is externally sleeved with the sealing ring 203 and the sealing sleeve 204, and the sealing ring 203 is located above the sealing sleeve 204, the upper end of the sealing ring 203 contacts the inner top surface of the cover 2, the outer wall of the sealing ring 203 contacts the inner wall of the cover 2, and the bottom end of the sealing sleeve 204 is flush with the bottom end of the plugging head 201 and the upper end of the arc piece 2021;

[0044] The inner top part of the filter housing 1 is provided with the installation slot 102, the plugging head 201 and the sealing sleeve 204 are located in the installation slot 102, the outer wall of the sealing sleeve 204 contacts the inner wall of the installation slot 102, and the part of the bottom surface of the sealing ring 203, which is beyond the sealing sleeve 204, contacts the top surface of the filter housing 1;

[0045] When the plugging head 201 is located in the installation slot 102, the outer wall of the sealing sleeve 204 on the outer side contacts the inner wall of the installation slot 102, and the part of the bottom surface of the sealing ring 203, which is beyond the sealing sleeve 204, contacts the top surface of the filter housing 1, so that the gap possibly existing at the connection between the cover 2 and the filter housing 1 is completely plugged, and the possibility of leakage is avoided.

[0046] The specific working principle of the utility model is as follows: firstly, the filter core body 3 is installed, the filter core body 3 is composed of the main part of the inner framework 306 connected between the upper end cover 301 and the lower end cover 302, the filter material 307 is wrapped outside the inner framework 306 and serves as the main filtering part, finally, the outer framework 304 is wrapped outside the filter material 307 to complete the assembly, when replacing, the filter core body 3 is taken out as a whole, the outer framework 304 can be disassembled according to actual needs, the filter material 307 on the inner side is removed, new filter material 307 is replaced, and then the outer framework 304 is mounted;

[0047] The lower end cover 302 of the filter core body 3 is inserted into the filter housing 1 downwards, so that the arc block 303 outside the upper end cover 301 and the lower end cover 302 is inserted into the vertical slot 103 until the lower end cover 302 contacts the limiting ring 101 and stops, at this time, the water outlet 3021 and the sealing rubber sleeve 305 on the outer side of the water outlet 3021 extend out of the limiting ring 101, the sealing rubber sleeve 305 is arranged to ensure the sealing property of the connection between the water outlet 3021 and the limiting ring 101 and avoid backflow, the wrench slot 3011 is arranged, the upper end cover 301 is held by hand, the filter core body 3 is rotated as a whole, the arc block 303 enters the horizontal slot 104, and the assembly of the filter core body 3 and the filter housing 1 is completed.

[0048] Finally, the cover 2 is capped on the filter housing 1, at this time, the arc piece 2021 is inserted into the vertical slot 103, until the lower part of the arc piece 2021 is located outside the lower end cover 302, and abuts against the arc block 303 in the horizontal slot 104, so that the arc block 303 cannot be separated from the horizontal slot 104 into the vertical slot 103, at this time, the bottom end of the pressing block 202 contacts the upper end cover 301, the sealing head 201 is located in the mounting slot 102, the outer wall of the sealing sleeve 204 outside the sealing head 201 contacts the inner wall of the mounting slot 102, and the part of the bottom surface of the sealing ring 203 beyond the sealing sleeve 204 contacts the top surface of the filter housing 1, so that the gap possibly existing at the connection between the cover 2 and the filter housing 1 is completely sealed, in the process of descending of the sealing head 201 and the arc piece 2021, it is required to ensure that the cover 2 is screwed and descended outside the filter housing 1, when the arc piece 2021 is in place, the cover 2 is screwed.

[0049] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement of the technical scheme recorded in the foregoing embodiments, belongs to the protection range of the present application.

Claims

1. A filter cartridge which is easy to disassemble, comprising a filter housing (1), a cover (2) and a filter cartridge body (3), characterized in that: The upper end of the filter shell (1) is screwed with a cover (2), the inner cavity of the filter shell (1) is provided with a filter core body (3), the inner wall of the lower part of the filter shell (1) is fixed with a limiting ring (101), and the inner wall of the filter shell (1) above the limiting ring (101) is provided with two symmetrical vertical grooves (103), and the inner wall of the filter shell (1) on each side of each vertical groove (103) is also provided with two horizontal grooves (104); The filter core body (3) comprises an upper end cover (301), a lower end cover (302) and an inner framework (306) fixed between the upper end cover (301) and the lower end cover (302), and the inner framework (306) is wrapped with a filter material (307), and the outer side of the filter material (307) is wrapped with two symmetrical outer frameworks (304); the outer periphery of the upper end cover (301) and the lower end cover (302) is fixed with two center-symmetrical arc blocks (303), and the arc blocks (303) outside the upper end cover (301) are located in the two upper horizontal grooves (104), and the two arc blocks (303) outside the lower end cover (302) are located in the two lower horizontal grooves (104).

2. The filter cartridge of claim 1, wherein: The two side edges of the outer framework (304) are fixed with strip plates (3041), and the two strip plates (3041) in contact with each other between the two outer frameworks (304) are fixedly connected by bolts and nuts, and the upper and lower ends of the outer framework (304) are provided with rubber pads and contact the upper end cover (301) and the lower end cover (302).

3. The filter cartridge of claim 1, wherein: The bottom of the lower end cover (302) is fixed with a water outlet (3021) penetrating through, and the inner cavity of the water outlet (3021) is communicated with the inner cavity of the inner framework (306), and the part of the water outlet (3021) extending out of the lower end cover (302) is provided with a sealing rubber sleeve (305), and the lower part of the sealing rubber sleeve (305) penetrates through the limiting plate and extends out.

4. The filter cartridge of claim 1, wherein: The bottom surface of the lower end cover (302) contacts the upper end of the limiting ring (101), and the top surface of the upper end cover (301) is provided with symmetrical wrench grooves (3011).

5. The filter cartridge of claim 1, wherein: The inner top of the cover (2) is rotatably connected with a blocking head (201), and the bottom of the blocking head (201) is fixed with a pressing block (202), the bottom surface of the pressing block (202) contacts the upper end of the upper end cover (301), and the two ends of the pressing block (202) are fixed with arc pieces (2021), the two arc pieces (2021) are located in the two vertical grooves (103), and the lower part of the arc piece (2021) extends downward and is located outside the upper end cover (301), the bottom end of the arc piece (2021) is flush with the bottom surface of the upper horizontal groove (104), and the arc piece (2021) contacts the arc block (303) adjacent thereto.

6. The filter cartridge of claim 5 wherein: The blocking head (201) is provided with a sealing ring (203) and a sealing sleeve (204), and the sealing ring (203) is located above the sealing sleeve (204), the upper end of the sealing ring (203) contacts the inner top surface of the cover (2), the outer wall of the sealing ring (203) contacts the inner wall of the cover (2), and the bottom end of the sealing sleeve (204) is flush with the bottom end of the blocking head (201) and the upper end of the arc piece (2021).

7. The filter cartridge of claim 6, wherein: The inner top of the filter housing (1) is provided with a mounting groove (102), the plugging head (201) and the sealing sleeve (204) are located in the mounting groove (102), and the outer wall of the sealing sleeve (204) contacts the inner wall of the mounting groove (102), and the part of the bottom surface of the sealing ring (203) exceeding the sealing sleeve (204) contacts the top surface of the filter housing (1).

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