CN217265108U - Composite filter element structure - Google Patents
Composite filter element structure Download PDFInfo
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- CN217265108U CN217265108U CN202220099871.3U CN202220099871U CN217265108U CN 217265108 U CN217265108 U CN 217265108U CN 202220099871 U CN202220099871 U CN 202220099871U CN 217265108 U CN217265108 U CN 217265108U
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Abstract
The invention discloses a composite filter element structure, which comprises a barrel, a first filter element, a second filter element, a third filter element and a fourth filter element, wherein the first filter element, the second filter element, the third filter element and the fourth filter element are arranged on the barrel, and the filter elements of the structure are respectively in a clamping type dismounting structure, so that the dismounting is convenient, the cleaning of the filter elements is convenient, and meanwhile, the filter element structure is small in size and convenient to install.
Description
Technical Field
The invention relates to the technical field of water filtering filter elements, in particular to a composite filter element structure.
Background
At present, a multi-stage filter element structure is generally formed by respectively and separately assembling a plurality of single-stage filter elements, for example, a multi-stage filtration water purification device with the publication number of CN208250030U disclosed in chinese patent, the single-stage filter elements in the filtration water purification device cannot be used for taking out the filter element material in the inner shell for cleaning, and the combined filter element has a large volume, occupies a large space, and is limited in installation position.
SUMMERY OF THE UTILITY MODEL
The invention aims to solve the technical defects and provides a composite filter element structure, which comprises the following specific structure.
The composite filter element structure comprises a cylinder, a first filter element, a second filter element, a third filter element and a fourth filter element, wherein the second filter element and the third filter element are arranged in an accommodating cavity of the cylinder;
one end of the first filter element is arranged on the first end shell, and the first end shell is provided with a first flow through hole communicated with the flow channel of the first filter element;
the second end shell is arranged in the accommodating cavity; the second end shell is arranged on the first end shell, and a transition cavity communicated with the first flow through hole is formed between the second end shell and the first end shell; one end of the second filter element is mounted on a second end shell, a second flow through hole communicated with the transition cavity is formed in the second end shell, a circulation space communicated with the second flow through hole is formed between the outer wall of the second filter element and the inner wall of the accommodating cavity, a sealing structure is mounted at the other end of the second filter element and forms sealing with the inner wall of the accommodating cavity, and the sealing structure comprises a fifth flow hole communicated with the circulation channel of the second filter element;
a first filter cavity is formed between the third end shell and the other end of the second filter element, the first filter cavity is filled with the third filter element, and a third through hole communicated with the first filter cavity is formed in the third end shell;
and a fourth end shell is arranged on the third end shell, a second filter cavity is formed between the third end shell and the fourth end shell, a fourth filter element is filled in the second filter cavity, and a fourth circulation hole communicated with the second filter cavity is formed in the fourth end shell.
Preferably, the first end shell comprises a first connecting sleeve and a first step, the first connecting sleeve is arranged in one end opening of the cylinder body, and the outer wall of the first connecting sleeve is provided with a first clamping structure; the inner wall of one port of the barrel is provided with a first limiting structure, and the first clamping structure and the first limiting structure limit clamping mutually, so that the first connecting sleeve and one port of the barrel are fixed mutually;
the first limiting structure comprises a first L-shaped convex strip so as to form a first clamping groove in the inner wall of one end port of the barrel, the first clamping structure comprises a first clamping block, or the first limiting structure comprises a first clamping block, and the first clamping structure comprises a first L-shaped convex strip so as to form a first clamping groove in the inner wall of one end port of the barrel;
the first clamping block is correspondingly clamped into the first clamping groove, a first clamping portion is arranged on the inner wall of the first clamping groove, the first clamping block comprises a first limiting portion, the first clamping portion and the first limiting portion limit clamping positions mutually, and the first step is abutted to one end face of the barrel.
Preferably, the second end shell comprises a second connecting sleeve, the second connecting sleeve is arranged in the first connecting sleeve, and a second clamping structure is arranged on the outer wall of the second connecting sleeve; the inner wall of the first connecting sleeve is provided with a second limiting structure, and the second clamping structure and the second limiting structure limit clamping positions mutually so that the second connecting sleeve and the first connecting sleeve are fixed mutually;
the second limiting structure comprises a second L-shaped convex strip so as to form a second clamping groove in the inner wall of the first connecting sleeve, and the second clamping structure comprises a second clamping block, or the second limiting structure comprises a second clamping block which comprises a second L-shaped convex strip so as to form a second clamping groove in the inner wall of the first connecting sleeve;
the second clamping block is correspondingly clamped into the second clamping groove, a second clamping portion is arranged on the inner wall of the second clamping groove, the second clamping block comprises a second limiting portion, and the second clamping portion and the second limiting portion limit clamping positions mutually.
Preferably, the outer wall of the first connecting sleeve and the outer wall of the second connecting sleeve are both provided with limiting rings, the limiting ring of the second connecting sleeve is in contact with the inner wall of the first connecting sleeve, and the limiting ring of the first connecting sleeve is in contact with the inner wall of one port of the cylinder body.
Preferably, the other end of the first filter element is fixedly provided with a sealing cover in a positioning way; the sealing cover, the first end shell and the second end shell respectively comprise first annular grooves, two ends of the first filter element are respectively positioned in the first annular grooves of the first end shell and the first annular grooves of the sealing cover, and one end of the second filter element is positioned in the first annular grooves of the second end shell.
Preferably, the sealing structure comprises a cover body and a sealing ring sleeved on the cover body, the outer wall of the sealing ring is tightly attached to the inner wall of the accommodating cavity, a second annular groove and a fifth circulation hole are formed in the cover body, and the other end of the second filter element is positioned in the second annular groove.
Preferably, the third end housing comprises a filter cartridge and an end cover sleeved on an upper port of the filter cartridge, the filter cartridge comprises a third connecting sleeve and a fourth connecting sleeve which are respectively positioned at two ends, the third connecting sleeve is connected with the other port of the cylinder body, the fourth connecting sleeve is connected with the end cover, the third flow hole is formed in the end cover, and the fourth end housing is installed on the end cover.
Preferably, the filter cartridge further comprises a second step close to the third connecting sleeve, the third connecting sleeve is arranged in the other port of the cylinder body, and the outer wall of the third connecting sleeve is provided with a third clamping structure; a third limiting structure is arranged on the inner wall of the other port of the barrel, and the third clamping structure and the third limiting structure limit clamping positions mutually, so that the third connecting sleeve and the other port of the barrel are fixed mutually;
the third limiting structure comprises a third L-shaped convex strip so as to form a third clamping groove in the inner wall of the other end opening of the barrel, the third clamping structure comprises a third clamping block, or the third limiting structure comprises a third clamping block, and the third clamping structure comprises a third L-shaped convex strip so as to form a third clamping groove in the inner wall of the other end opening of the barrel;
the third clamping block is correspondingly clamped into the third clamping groove, a third clamping part is arranged on the inner wall of the third clamping groove, the third clamping block comprises a third limiting part, the third clamping part and the third limiting part limit clamping positions mutually, and the second step is abutted against the other end face of the barrel.
Preferably, the filter cartridge further comprises a third step close to a fourth connecting sleeve, the fourth connecting sleeve is arranged in the end cover, and a fourth clamping structure is arranged on the outer wall of the fourth connecting sleeve; the inner wall of the end cover is provided with a fourth limiting structure, and the fourth limiting structure limit clamping positions mutually, so that the fourth connecting sleeve and the end cover are fixed mutually;
the fourth limiting structure comprises a fourth L-shaped convex strip, a fourth clamping groove is formed in the inner wall of the end cover, the fourth clamping structure comprises a fourth clamping block, or the fourth limiting structure comprises a fourth clamping block, and the third clamping structure comprises a fourth L-shaped convex strip so as to form a fourth clamping groove in the inner wall of the end cover;
the fourth clamping block is correspondingly clamped into the fourth clamping groove, a fourth clamping portion is arranged on the inner wall of the fourth clamping groove, the fourth clamping block comprises a fourth limiting portion, the fourth clamping portion and the fourth limiting portion limit clamping positions mutually, and the third step is abutted to the end face of the end cover.
Preferably, a pipe body extends from the outer port of the fourth flow hole.
According to the composite filter element structure designed by the invention, the filter elements of the structure are respectively provided with the clamping type dismounting structure, so that the dismounting is convenient, the cleaning of the filter elements is convenient, and meanwhile, the size of the filter element structure is small, and the installation is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is an exploded view (one);
FIG. 3 is an exploded view (two);
fig. 4 is an exploded view (three);
fig. 5 is an exploded view (four);
fig. 6 is a schematic view of a second end shell construction.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The embodiment is as follows:
as shown in the accompanying drawings, the composite filter element structure described in this embodiment includes a cylinder 1, a first filter element 2, a second filter element 3, a third filter element, and a fourth filter element, the second filter element 3 and the third filter element are disposed in an accommodating cavity of the cylinder 1, the first filter element 2 and the second filter element 3 both include a flow passage 19, and a first end shell 4 and a third end shell 9 are respectively mounted at two ports of the cylinder 1; wherein, four filter cores intercombination form on barrel 1 for the small of filter core structure, first filter core 2 is the cotton filter core of PP, and second filter core 3 is leading compressed carbon, and the third filter core is the UF milipore filter, and the fourth filter core is rearmounted carbon, and barrel 1 is plastics barrel 1.
One end of the first filter element 2 is mounted on the first end shell 4, and the first end shell 4 is provided with a first flow through hole 43 communicated with the flow channel 19 of the first filter element 2; the water is filtered by the first filter element 2, enters the flow channel 19 and is discharged from the first flow through hole 43, and the first end shell 4 is a plastic end shell.
The second end shell 6 is arranged in the accommodating cavity; the second end shell 6 is mounted on the first end shell 4, and a transition cavity 20 communicated with the first flow through hole 43 is formed between the second end shell and the first end shell; one end of the second filter element 3 is mounted on the second end shell 6, a second flow through hole 63 communicated with the transition cavity 20 is formed in the second end shell 6, a flow space 7 communicated with the second flow through hole 63 is formed between the outer wall of the second filter element 3 and the inner wall of the accommodating cavity, a sealing structure 8 is mounted at the other end of the second filter element 3, the sealing structure 8 and the inner wall of the accommodating cavity form sealing, and the sealing structure 8 comprises a fifth flow hole 811 communicated with the flow channel 19 of the second filter element 3; the water discharged from the first flow through hole 43 enters the transition cavity 20, the water in the transition cavity 20 enters the circulation space 7 through the second flow through hole 63, the water in the circulation space 7 enters the circulation channel 19 through the second filter element 3 and then is discharged through the fifth flow through hole 811, the position of the circulation space 7 at the other end of the second filter element 3 is sealed and blocked by the sealing structure 8, so that the water flow can be discharged into the next filter element after being filtered by the second filter element 3, and the second end shell 6 is a plastic end shell.
A first filter cavity 94 is formed between the third end shell 9 and the other end of the second filter element 3, the third filter element is filled in the first filter cavity 94, and a third flow through hole 93 communicated with the first filter cavity 94 is formed in the third end shell 9; therefore, the water discharged from the fifth circulation hole 811 is filtered by the third filter element and discharged from the third circulation hole 93, and the discharged water enters the second filter chamber 101.
A fourth end shell 10 is installed on the third end shell 9, a second filter cavity 101 is formed between the third end shell 9 and the fourth end shell 10, a fourth filter element is filled in the second filter cavity 101, and a fourth circulation hole 102 communicated with the second filter cavity 101 is formed in the fourth end shell 10; therefore, water entering the second filter cavity 101 is filtered by the fourth filter element and then discharged from the fourth through hole 102, and finally four-stage filtration of the water is completed.
In this embodiment, the first end shell 4 includes a first connecting sleeve 41 and a first step 44, the first connecting sleeve 41 is disposed in an end opening of the barrel 1, and the outer wall of the first connecting sleeve 41 is provided with a first locking structure; the utility model discloses a filter cartridge 1, including barrel 1, barrel 1's a port inner wall, first clamping structure and first limiting structure limit the screens each other, make first connecting sleeve 41 and barrel 1's a port reciprocal anchorage, utilize first limiting structure and first clamping structure to mutually support and realize that first connecting sleeve 41 still can dismantle after the port reciprocal anchorage of barrel 1, thereby be convenient for wash the operation after first filter core 2 is torn out, first limiting structure and first clamping structure all are set up to a plurality of annular array settings that are, make fixed mounting firm.
Preferably, the first limiting structure comprises a first L-shaped protruding strip 12 to form a first slot 13 on an inner wall of an end opening of the barrel 1, and the first locking structure comprises a first locking block 411, or the first limiting structure comprises a first locking block 411, and the first locking structure comprises a first L-shaped protruding strip 12 to form a first slot 13 on an inner wall of an end opening of the barrel 1; the first locking block 411 is correspondingly locked in the first locking slot 13, the inner wall of the first locking slot 13 is provided with a first locking portion 14, the first locking block 411 includes a first limiting portion 412, the first locking portion 14 and the first limiting portion 412 limit locking positions, the first step 44 abuts against an end surface of the barrel 1, the first limiting portion 412 is generally an end surface of the first locking block 411 or a plurality of locking grooves of the first locking block 411, the first locking portion 14 is generally a locking block, and the first locking block cooperates with the end surface of the first locking block 411 or the locking grooves of the first locking block 411 to form locking positions.
Preferably, the first limiting structure can also be an internal thread, the first clamping structure can also be an external thread, and the internal thread and the external thread are in threaded connection with each other, so that the first connecting sleeve 41 and one port of the cylinder body 1 can still be detached after being fixed to each other.
Preferably, first limit structure can also be L type draw-in groove, and first screens structure can also be the fixture block, and the fixture block gets into its transverse groove through the vertical groove of L type draw-in groove, has the fixture block in the transverse groove, and the fixture block is spacing with conflicting of screens piece terminal surface, realizes that first connecting sleeve 41 still can dismantle after the port reciprocal anchorage of barrel 1.
In this embodiment, the second end casing 6 includes a second connecting sleeve 61, the second connecting sleeve 61 is disposed in the first connecting sleeve 41, and a second locking structure is disposed on an outer wall of the second connecting sleeve 61; the inner wall of the first connecting sleeve 41 is provided with a second limiting structure, and the second limiting structure limit clamping positions mutually, so that the second connecting sleeve 61 and the first connecting sleeve 41 are fixed mutually; the first connecting sleeve 41 and the second connecting sleeve 61 can still be detached after being fixed to each other by the mutual cooperation of the second limiting structure and the second clamping structure, so that the second filter element 3 can be conveniently detached and cleaned.
The second limiting structure includes a second L-shaped protrusion 413 to form a second slot 414 on the inner wall of the first connecting sleeve 41, the second locking structure includes a second locking block 64, or the second limiting structure includes a second locking block 64, the second locking structure includes a second L-shaped protrusion 413 to form a second slot 414 on the inner wall of the first connecting sleeve 41; the second locking block 64 is correspondingly locked in the second locking groove 414, the inner wall of the second locking groove 414 is provided with a second positioning portion 415, the second locking block 64 includes a second limiting portion 641, the second positioning portion 415 and the second limiting portion 641 limit locking positions with each other, wherein the second limiting portion 641 is generally an end surface of the second locking block 64 or a plurality of locking grooves of the second locking block 64, the second positioning portion 415 is generally a locking block, and the second locking block cooperates with the end surface of the second locking block 64 or the locking grooves of the second locking block 64 to form a locking position. Wherein, second limit structure and second screens structure all are set up to a plurality of annular array settings that are for fixed mounting is firm.
Preferably, the second limit structure can also be an internal thread, the second clamping structure can also be an external thread, and the internal thread and the external thread are in threaded connection with each other, so that the first connecting sleeve 41 and a port of the barrel body 1 can still be detached after being fixed to each other.
Preferably, the second limit structure can also be an L-shaped clamping groove, the second clamping structure can also be a clamping block, the clamping block enters the transverse groove through the longitudinal groove of the L-shaped clamping groove, the clamping block is arranged in the transverse groove, the clamping block is abutted to the end face of the clamping block for limitation, and the first connecting sleeve 41 can be still detached from a port of the barrel body 1 after being fixed to each other.
Preferably, the outer wall of the first connecting sleeve 41 and the outer wall of the second connecting sleeve 61 are both provided with a limiting ring 5, the limiting ring 5 of the second connecting sleeve 61 contacts with the inner wall of the first connecting sleeve 41, and the limiting ring 5 of the first connecting sleeve 41 contacts with the inner wall of one port of the cylinder 1; the structure of the connecting sleeve enables the second connecting sleeve 61 to be installed stably and reliably.
Preferably, the other end of the first filter element 2 is fixedly positioned with a sealing cover 11; the closing cap 11, the first end shell 4 and the second end shell 6 further comprise first ring grooves 111, two ends of the first filter element 2 are respectively positioned in the first ring grooves 111 of the first end shell 4 and the first ring grooves 111 of the closing cap 11, one end of the second filter element 3 is positioned in the first ring grooves 111 of the second end shell 6, the filter element is reliably positioned due to the structural arrangement, and the closing cap 11 is a plastic closing cap 11.
Preferably, the sealing structure 8 comprises a cover body 81 and a sealing ring 82 sleeved on the cover body 81, the outer wall of the sealing ring 82 is tightly attached to the inner wall of the accommodating cavity, a second annular groove 812 and a fifth flow hole 811 are arranged on the cover body 81, and the other end of the second filter element 3 is positioned in the second annular groove 812. The structure is convenient to install and reliable in sealing.
In this embodiment, the third end housing 9 includes the filter cartridge 91 and cup joints the end cover 92 of port on the filter cartridge 91, the filter cartridge 91 includes the third adapter sleeve 911 and the fourth adapter sleeve 913 that are located both ends respectively, the third adapter sleeve 911 is connected with another port of barrel 1, the fourth adapter sleeve 913 is connected with end cover 92, the third flow hole 93 sets up on end cover 92, the fourth end housing 10 is installed on end cover 92, its structure sets up the third filter core of being convenient for tear open and install, be convenient for wash, filter cartridge 91 and end cover 92 are the plastics material.
Preferably, the filter cartridge 91 further comprises a second step 912 close to a third connecting sleeve 911, the third connecting sleeve 911 is disposed in the other port of the cylinder 1, and a third clamping structure is disposed on the outer wall of the third connecting sleeve 911; a third limiting structure is arranged on the inner wall of the other port of the cylinder body 1, and the third limiting structure limit clamping positions mutually, so that the third connecting sleeve 911 and the other port of the cylinder body 1 are fixed mutually; utilize third limit structure and third clamping structure to mutually support and realize still can dismantle after third adapter sleeve 911 and barrel 1's another port reciprocal anchorage to be convenient for wash the operation after the third filter core is torn out, be provided with first ring body on the third adapter sleeve 911, first ring body is hugged closely with barrel 1's another port inner wall.
Preferably, the third position-limiting structure comprises a third L-shaped protruding strip 15 to form a third clamping groove 16 on the inner wall of the other end opening of the barrel body 1, the third clamping structure comprises a third clamping block 915, or the third position-limiting structure comprises a third clamping block 915, and the third clamping structure comprises a third L-shaped protruding strip 15 to form a third clamping groove 16 on the inner wall of the other end opening of the barrel body 1; the third latch 915 is correspondingly latched in the third latch 16, a third latching portion 17 is disposed on an inner wall of the third latch 16, the third latch 915 includes a third limiting portion 916, the third latching portion 17 and the third limiting portion 916 limit latching positions with each other, the second step 912 abuts against the other end surface of the barrel 1, where the third limiting portion 916 is generally an end surface of the third latch 915 or a plurality of latching grooves on the third latch 915, the third latch 17 is generally a latching block, and the third latch cooperates with the end surface of the third latch 915 or the latching grooves on the third latch 915 to form a latching position. Wherein, third limit structure and third block structure all set up to a plurality of annular array settings that are for fixed mounting is firm.
Preferably, the filter cartridge 91 further comprises a third step 914 adjacent to a fourth connecting sleeve 913, the fourth connecting sleeve 913 is disposed in the end cap 92, and a fourth clamping structure is disposed on an outer wall of the fourth connecting sleeve 913; a fourth limiting structure is arranged on the inner wall of the end cover 92, and the fourth limiting structure limit clamping positions mutually, so that the fourth connecting sleeve 913 and the end cover 92 are fixed mutually; utilize fourth limit structure and fourth screens structure to mutually support and realize still can dismantle after fourth adapter sleeve 913 and end cover 92 reciprocal anchorage to be convenient for wash the operation after the fourth filter core is torn out, be provided with the second ring body on the third adapter sleeve 911, the second ring body is hugged closely with another port inner wall of barrel 1.
Preferably, the fourth limiting structure includes a fourth L-shaped protruding strip 921, the inner wall of the end cover 92 forms a fourth clamping groove 922, the fourth clamping structure includes a fourth clamping block 917, or the fourth limiting structure includes a fourth clamping block 917, and the third clamping structure includes a fourth L-shaped protruding strip 921, so as to form the fourth clamping groove 922 on the inner wall of the end cover 92; the fourth locking block 917 is correspondingly locked in the fourth locking groove 922, a fourth locking portion 923 is disposed on an inner wall of the fourth locking groove 922, the fourth locking block 917 includes a fourth limiting portion 918, the fourth locking portion 923 and the fourth limiting portion 918 limit locking positions with each other, the third step 914 abuts against an end surface of the end cap 92, the fourth limiting portion 918 is generally an end surface of the fourth locking block 917 or a plurality of locking grooves of the fourth locking block 917, the fourth locking portion 923 is generally a locking block, and the fourth locking block 917 and the end surface of the fourth locking block 917 or the locking grooves of the fourth locking block 917 cooperate to form a locking position. Wherein, fourth limit structure and fourth screens structure all are set up to a plurality of annular array settings that are for fixed mounting is firm.
Preferably, a pipe body 103 extends from the outer port of the fourth flow hole 102, the pipe body 103 is convenient for sleeving the water inlet pipe, and a sealing ring is arranged between the water inlet pipe and the pipe body 103.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. A composite filter element structure is characterized by comprising a cylinder body (1), a first filter element (2), a second filter element (3), a third filter element and a fourth filter element, wherein the second filter element (3) and the third filter element are arranged in an accommodating cavity of the cylinder body (1), the first filter element (2) and the second filter element (3) respectively comprise a circulation channel (19), and a first end shell (4) and a third end shell (9) are respectively installed at two ports of the cylinder body (1); one end of the first filter element (2) is arranged on the first end shell (4), and a first flow through hole (43) communicated with the flow channel (19) of the first filter element (2) is formed in the first end shell (4);
a second end shell (6) is arranged in the accommodating cavity; the second end shell (6) is arranged on the first end shell (4), and a transition cavity (20) communicated with the first flow through hole (43) is formed between the second end shell and the first end shell; one end of the second filter element (3) is installed on the second end shell (6), a second flow through hole (63) communicated with the transition cavity (20) is formed in the second end shell (6), a flow space (7) communicated with the second flow through hole (63) is formed between the outer wall of the second filter element (3) and the inner wall of the containing cavity, a sealing structure (8) is installed at the other end of the second filter element (3), the sealing structure (8) forms sealing with the inner wall of the containing cavity, and the sealing structure (8) comprises a fifth flow hole (811) communicated with a flow channel (19) of the second filter element (3);
a first filter cavity (94) is formed between the third end shell (9) and the other end of the second filter element (3), the third filter cavity (94) is filled with the third filter element, and a third flow through hole (93) communicated with the first filter cavity (94) is formed in the third end shell (9);
a fourth end shell (10) is installed on the third end shell (9), a second filtering cavity (101) is formed between the third end shell (9) and the fourth end shell (10), a fourth filter element is filled in the second filtering cavity (101), and a fourth circulation hole (102) communicated with the second filtering cavity (101) is formed in the fourth end shell (10).
2. The composite filter element structure according to claim 1, wherein the first end shell (4) comprises a first connecting sleeve (41) and a first step (44), the first connecting sleeve (41) is arranged in an end opening of the cylinder body (1), and the outer wall of the first connecting sleeve (41) is provided with a first clamping structure; a first limiting structure is arranged on the inner wall of one port of the barrel body (1), and the first limiting structure limit clamping mutually, so that the first connecting sleeve (41) and one port of the barrel body (1) are fixed mutually;
the first limiting structure comprises a first L-shaped convex strip (12) to form a first clamping groove (13) on an inner wall of an end opening of the barrel body (1), the first clamping structure comprises a first clamping block (411), or the first limiting structure comprises the first clamping block (411), the first clamping structure comprises the first L-shaped convex strip (12) to form the first clamping groove (13) on the inner wall of the end opening of the barrel body (1);
the first clamping block (411) is correspondingly clamped in the first clamping groove (13), a first clamping portion (14) is arranged on the inner wall of the first clamping groove (13), the first clamping block (411) comprises a first limiting portion (412), the first clamping portion (14) and the first limiting portion (412) limit clamping positions mutually, and the first step (44) abuts against one end face of the barrel body (1).
3. The composite filter element arrangement according to claim 2, wherein the second end housing (6) comprises a second connecting sleeve (61), the second connecting sleeve (61) is arranged in the first connecting sleeve (41), and the outer wall of the second connecting sleeve (61) is provided with a second clamping structure; a second limiting structure is arranged on the inner wall of the first connecting sleeve (41), and the second limiting structure limit clamping positions mutually, so that the second connecting sleeve (61) and the first connecting sleeve (41) are fixed mutually;
the second limiting structure comprises a second L-shaped convex strip (413) to form a second clamping groove (414) on the inner wall of the first connecting sleeve (41), the second clamping structure comprises a second clamping block (64), or the second limiting structure comprises the second clamping block (64), and the second clamping structure comprises the second L-shaped convex strip (413) to form the second clamping groove (414) on the inner wall of the first connecting sleeve (41);
the second latch block (64) is correspondingly clamped in the second clamping groove (414), a second clamping part (415) is arranged on the inner wall of the second clamping groove (414), the second latch block (64) comprises a second limiting part (641), and the clamping position is limited by the second clamping part (415) and the second limiting part (641).
4. The composite filter element structure according to claim 3, wherein the outer wall of the first connecting sleeve (41) and the outer wall of the second connecting sleeve (61) are both provided with a limiting ring (5), the limiting ring (5) of the second connecting sleeve (61) is in contact with the inner wall of the first connecting sleeve (41), and the limiting ring (5) of the first connecting sleeve (41) is in contact with the inner wall of a port of the cylinder body (1).
5. A composite filter element arrangement according to claim 3, wherein a cover (11) is positioned and fixed to the other end of the first filter element (2); the sealing cover (11), the first end shell (4) and the second end shell (6) further comprise first ring grooves (111), two ends of the first filter element (2) are respectively positioned in the first ring grooves (111) of the first end shell (4) and the first ring grooves (111) of the sealing cover (11), and one end of the second filter element (3) is positioned in the first ring grooves (111) of the second end shell (6).
6. The composite filter element structure according to any one of claims 1 to 5, wherein the sealing structure (8) comprises a cover body (81) and a sealing ring (82) sleeved on the cover body (81), the outer wall of the sealing ring (82) is tightly attached to the inner wall of the accommodating cavity, a second annular groove (812) and a fifth flow hole (811) are arranged on the cover body (81), and the other end of the second filter element (3) is positioned in the second annular groove (812).
7. The composite filter element structure according to any one of claims 1 to 5, wherein the third end shell (9) comprises a filter cartridge (91) and an end cap (92) sleeved on an upper port of the filter cartridge (91), the filter cartridge (91) comprises a third connecting sleeve (911) and a fourth connecting sleeve (913) respectively positioned at two ends, the third connecting sleeve (911) is connected with the other port of the cylinder (1), the fourth connecting sleeve (913) is connected with the end cap (92), the third flow through hole (93) is arranged on the end cap (92), and the fourth end shell (10) is arranged on the end cap (92).
8. The composite filter element structure according to claim 7, wherein the filter cartridge (91) further comprises a second step (912) close to a third connecting sleeve (911), the third connecting sleeve (911) is arranged in the other port of the cylinder body (1), and a third clamping structure is arranged on the outer wall of the third connecting sleeve (911); a third limiting structure is arranged on the inner wall of the other port of the barrel body (1), and the third limiting structure limit clamping positions mutually, so that the third connecting sleeve (911) and the other port of the barrel body (1) are fixed mutually;
the third limiting structure comprises a third L-shaped convex strip (15) to form a third clamping groove (16) on the inner wall of the other end opening of the barrel body (1), the third clamping structure comprises a third clamping block (915), or the third limiting structure comprises a third clamping block (915), and the third clamping structure comprises a third L-shaped convex strip (15) to form a third clamping groove (16) on the inner wall of the other end opening of the barrel body (1);
the third clamping block (915) is correspondingly clamped in the third clamping groove (16), a third clamping portion (17) is arranged on the inner wall of the third clamping groove (16), the third clamping block (915) comprises a third limiting portion (916), the third clamping portion (17) and the third limiting portion (916) limit clamping positions mutually, and the second step (912) abuts against the other end face of the cylinder body (1).
9. The composite filter element structure according to claim 7, wherein the filter cartridge (91) further comprises a third step (914) adjacent to a fourth connecting sleeve (913), the fourth connecting sleeve (913) is disposed in the end cap (92), and a fourth clamping structure is disposed on an outer wall of the fourth connecting sleeve (913); a fourth limiting structure is arranged on the inner wall of the end cover (92), and the fourth limiting structure limit clamping positions mutually, so that the fourth connecting sleeve (913) and the end cover (92) are fixed mutually;
the fourth limiting structure comprises a fourth L-shaped convex strip (921), a fourth clamping groove (922) is formed in the inner wall of the end cover (92), the fourth clamping structure comprises a fourth clamping block (917), or the fourth limiting structure comprises a fourth clamping block (917), and the third clamping structure comprises a fourth L-shaped convex strip (921) so as to form the fourth clamping groove (922) in the inner wall of the end cover (92);
the fourth clamping block (917) is correspondingly clamped in the fourth clamping groove (922), a fourth clamping portion (923) is arranged on the inner wall of the fourth clamping groove (922), the fourth clamping block (917) comprises a fourth limiting portion (918), the fourth clamping portion (923) and the fourth limiting portion (918) limit clamping positions mutually, and the third step (914) abuts against the end face of the end cover (92).
10. The composite filter element structure according to claim 7, characterized in that a pipe body (103) is formed by extending the outer port of the fourth flow hole (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220099871.3U CN217265108U (en) | 2022-01-13 | 2022-01-13 | Composite filter element structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220099871.3U CN217265108U (en) | 2022-01-13 | 2022-01-13 | Composite filter element structure |
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| Publication Number | Publication Date |
|---|---|
| CN217265108U true CN217265108U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220099871.3U Active CN217265108U (en) | 2022-01-13 | 2022-01-13 | Composite filter element structure |
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| Country | Link |
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| CN (1) | CN217265108U (en) |
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