CN113713458A - Thread anti-seize seawater filter - Google Patents
Thread anti-seize seawater filter Download PDFInfo
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- CN113713458A CN113713458A CN202111021543.8A CN202111021543A CN113713458A CN 113713458 A CN113713458 A CN 113713458A CN 202111021543 A CN202111021543 A CN 202111021543A CN 113713458 A CN113713458 A CN 113713458A
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- channel
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- 239000013535 sea water Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000007769 metal material Substances 0.000 claims abstract description 15
- 230000000573 anti-seizure effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000003449 preventive effect Effects 0.000 claims description 2
- 238000006056 electrooxidation reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 13
- 239000012065 filter cake Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
- B01D29/333—Self-supporting filtering elements arranged for inward flow filtration with corrugated, folded filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a thread anti-seizure seawater filter.A ring-shaped mounting groove is formed at one end of a filter head, a first conveying channel communicated with a water inlet channel and a second conveying channel communicated with a water outlet channel are formed in the filter head; a post-filtration channel is arranged in the filter element, the filter element is hermetically connected with the inner circular wall of the annular mounting groove, and the second conveying channel is communicated with the post-filtration channel; the sleeve is sleeved on the filter element and is in sealing connection with the inner wall of the excircle of the annular mounting groove, and annular channels which are respectively communicated with the first conveying channel and the filtered channel are formed on the inner wall of the sleeve and the outer wall of the filter element; the cover of screwing establishes on the sleeve, simultaneously with the excircle inner wall threaded connection of annular mounting groove to with sleeve and filter head locking, and filter head, filter core and telescopic metal material are the same, and all are different with the material of the cover of screwing. The invention discloses a thread anti-seize seawater filter which can avoid electrochemical corrosion and seizure between parts.
Description
Technical Field
The invention relates to the technical field of seawater filters, in particular to a thread anti-seize seawater filter.
Background
At present, in order to avoid electrochemical corrosion, all metal materials of a common thread type seawater filter are the same, threads between parts in threaded connection are easy to adhere, seizure phenomenon occurs, and even if lubrication measures are adopted, the seizure phenomenon still occurs easily after the filter is used for a period of time.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a thread anti-seize seawater filter which can avoid electrochemical corrosion and seizure problem between parts.
Disclosure of Invention
In view of this, the invention provides a thread anti-seize seawater filter, which can avoid electrochemical corrosion and seizing between parts.
In order to achieve the purpose, the invention adopts the following technical scheme:
a thread seizure prevention seawater strainer comprising:
the filter head is internally provided with a first conveying channel communicated with the water inlet channel and a second conveying channel communicated with the water outlet channel;
the filter element is internally provided with a post-filtration channel, one end of the filter element is an opening end communicated with the post-filtration channel, the side wall of the filter element close to the opening end of the filter element is hermetically connected with the inner circular wall of the annular mounting groove, and meanwhile, the second conveying channel penetrates through the center of the filter head and is positioned in the annular mounting groove to be communicated with the post-filtration channel;
the filter element comprises a sleeve, wherein one end of the sleeve is an open end, the other end of the sleeve is a closed end, the sleeve is sleeved on the filter element through the open end of the sleeve, the outer wall of the sleeve, close to the open end of the sleeve, is in sealing connection with the inner wall of the outer circle of the annular mounting groove, an annular channel communicated with the filtered channel is formed on the inner wall of the sleeve and the outer wall of the filter element, and the first conveying channel is communicated with the annular channel by penetrating through the bottom of the annular mounting groove;
screwing sleeve, screwing sleeve establishes on the sleeve, simultaneously with the excircle inner wall threaded connection of annular mounting groove, in order to incite somebody to action the sleeve with filter head locking, and filter head, filter core with telescopic metal material is the same, and all with screwing sleeve's material is different.
Preferably, a circle of annular protruding part is fixed on the outer wall of the sleeve, close to the opening end of the sleeve, along the circumferential direction of the sleeve, the annular protruding part is located between the groove bottom of the annular mounting groove and the screwing sleeve, and the screwing sleeve is pressed on the annular protruding part located on the groove bottom of the annular mounting groove.
Preferably, a first annular groove is formed in the inner wall of the outer circle of the annular mounting groove in the circumferential direction of the annular mounting groove, a first sealing ring is embedded into the first annular groove, and the first sealing ring is in sealing contact with the annular protruding portion.
Preferably, a plurality of auxiliary holes are formed in the outer wall of the screwing sleeve, and the plurality of auxiliary holes are distributed along the circumferential direction of the screwing sleeve.
Preferably, the method further comprises the following steps: the steel wire, the filter head is close to first through-hole has been seted up on the lateral wall of screwing the cover, it is close to screw the cover seted up on the lateral wall of filter head and corresponding the second through-hole of first through-hole, the steel wire passes respectively first through-hole with the second through-hole, in order to connect the filter head with screw the cover.
Preferably, the number of the first through holes is plural, and the second through holes are correspondingly connected with any one of the first through holes through the steel wires.
Preferably, one end of the sleeve, which is far away from the filter head, is fixed with a barrel pulling screw, and the axial direction of the barrel pulling screw is perpendicular to the axial direction of the sleeve.
Preferably, an annular limiting groove is formed in the inner circular wall of the annular mounting groove along the circumferential direction of the inner circular wall, and the outer wall, close to the opening end of the filter element, of the filter element is inserted into the annular limiting groove and is in sealing connection with the inner wall of the annular limiting groove.
Preferably, a second annular groove is formed in the inner wall of the annular limiting groove along the circumferential direction of the inner wall, a second sealing ring is embedded into the second annular groove, and the second sealing ring is in sealing contact with the outer wall of the filter element.
Preferably, the filter cartridge comprises: lead to end cover, outer skeleton, inner frame, filter cake and end cover, just the outer skeleton the inner frame with the filter cake all has the hole of permeating water, the outer skeleton with the inner frame is both ends open-ended tube-shape, the outer skeleton cover is established on the inner frame, lead to the end cover with end cover one-to-one is fixed two ports of outer skeleton, the while one-to-one is fixed two ports of inner frame, just the outer skeleton with the inner frame interval sets up, the outer skeleton the inner frame lead to the end cover with end cover is formed with and holds the chamber, the filter cake is fixed hold the intracavity, simultaneously lead to the end cover and peg graft and be in annular spacing inslot to sealing contact the second sealing washer.
Preferably, the filter cake is a screen pleated structure.
According to the technical scheme, compared with the prior art, the invention discloses the anti-seizure thread seawater filter, which can achieve the following technical effects:
the screwing sleeve and the filter head which are in threaded connection are made of different metal materials, and the screwing sleeve and the sleeve are made of different metal materials, so that after the screwing sleeve is respectively connected with the filter head and the sleeve, the problem that the threaded connection part is not easy to be seized is solved;
the filter head, the filter element and the sleeve which are contacted with water in the invention are made of the same metal material, so that the problem of electrochemical corrosion can be prevented, and the screwing sleeve is not contacted with water, so that the metal material of the screwing sleeve is different from the metal material of the filter head, the filter element and the sleeve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an exploded view of a threaded anti-seizure seawater strainer of the present invention;
FIG. 2 is an overall view of a thread seizure preventive seawater filter according to the present invention;
FIG. 3 is a cross-sectional view of a threaded anti-seizure seawater strainer of the present invention;
FIG. 4 is a cross-sectional view of a filter cartridge according to the present invention;
figure 5 is a block diagram of the filter head of the present invention.
Wherein, 1-a filter head; 10-an annular mounting groove; 101-a water inlet channel; 102-a water outlet channel; 103-a first transport channel; 104-a second transport channel; 2-a filter element; 20-post-filtration channel; 3-a sleeve; 30-an annular channel; 4-screwing the sleeve; 31-an annular projection; 100-a first seal ring; 40-auxiliary holes; 5-steel wire; 105-a first via; 106-a second via; 6-pulling the barrel screw; 107-annular limiting groove; 7-a second sealing ring; 21-through end cap; 22-exoskeleton; 23-an endoskeleton; 24-a filter cake; 25-end cap; 109-first annular groove.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a thread anti-seizure seawater filter, which comprises:
the filter head comprises a filter head 1, wherein one end of the filter head 1 is provided with an annular mounting groove 10, the side wall of the filter head 1 is respectively provided with a water inlet channel 101 and a water outlet channel 102, and meanwhile, the filter head 1 is internally provided with a first conveying channel 103 communicated with the water inlet channel 101 and a second conveying channel 104 communicated with the water outlet channel 102;
the filter element 2 is internally provided with a post-filtration channel 20, one end of the filter element 2 is an open end communicated with the post-filtration channel 20, the side wall of the filter element 2 close to the open end is hermetically connected with the inner circular wall of the annular mounting groove 10, and meanwhile, the second conveying channel 104 penetrates through the filter head 1 and is positioned at the circle center of the annular mounting groove 10 to be communicated with the post-filtration channel 20;
the filter comprises a sleeve 3, wherein one end of the sleeve 3 is an open end, the other end of the sleeve 3 is a closed end, the sleeve 3 is sleeved on a filter element 2 through the open end of the sleeve 3, the outer wall of the sleeve 3 close to the open end of the sleeve is connected with the inner wall of the excircle of an annular mounting groove 10 in a sealing mode, meanwhile, an annular channel 30 communicated with a filtered channel 20 is formed in the inner wall of the sleeve 3 and the outer wall of the filter element 2, and a first conveying channel 103 is communicated with the annular channel 30 after being communicated with the bottom of the annular mounting groove 10;
the cover 4 of screwing, the cover 4 cover of screwing is established on sleeve 3, simultaneously with the excircle inner wall threaded connection of annular mounting groove 10 to lock sleeve 3 and filter head 1, and the metal material of filter head 1, filter core 2 and sleeve 3 is the same, and all is different with the material of the cover 4 of screwing.
The screwing sleeve 4 and the filter head 1 which are connected by screw thread are made of different metal materials, and the screwing sleeve 4 and the sleeve 3 are made of different metal materials, so that after the filter head 1 and the sleeve 3 are respectively connected by the screwing sleeve 4, the problem that the screw thread connection part of the invention is not easy to be seized is solved, simultaneously, seawater can enter the filtered channel 20 after passing through the water inlet channel 101, the first conveying channel 103 and the annular channel 30 after passing through the filter element 2 in sequence, and then flows out through the second conveying channel 104 and the water outlet channel 102 in sequence, so that water can not contact with the screwing sleeve 4, an annular mounting groove 10 is arranged at one end of the filter head 1, the side wall of the filter element 2 close to the opening end thereof is in sealing connection with the inner circular wall of the annular mounting groove 10, the outer wall of the sleeve 3 close to the opening end thereof is in sealing connection with the outer circular inner wall of the annular mounting groove 10, the screwing sleeve 4 is sleeved on the sleeve 3 to longitudinally limit the sleeve 3, the filter head 1, the filter element 2 and the sleeve 3 are tightly connected, so that the screwing sleeve 4 can be protected from water, water can be prevented from contacting the screwing sleeve 4, the metal materials of the filter head 1, the filter element 2 and the sleeve 3 which are contacted with the water are the same, and the problem of electrochemical corrosion can be prevented.
In order to further optimize the above technical solution, a ring of annular protrusion 31 is fixed on the outer wall of the sleeve 3 near the open end thereof along the circumferential direction thereof, the annular protrusion 31 is located between the groove bottom of the annular mounting groove 10 and the tightening sleeve 4, and the tightening sleeve 4 presses the annular protrusion 31 on the groove bottom of the annular mounting groove 10.
By adopting the technical scheme, the invention can realize the following technical effects: the axial movement of the sleeve 3 can be further limited by the screwing sleeve 4, so that the stability and tightness of the connection between the sleeve 3, the filter element 2 and the filter head 1 can be further improved.
In order to further optimize the above technical solution, a first annular groove 109 is formed on the inner wall of the outer circle of the annular mounting groove 10 along the circumferential direction thereof, a first sealing ring 100 is embedded in the first annular groove 109, and the first sealing ring 100 is in sealing contact with the annular protrusion 31.
By adopting the technical scheme, the invention can realize the following technical effects: the joint between the filter head 1 and the sleeve 3 is sealed by the first sealing ring 100, preventing water from contacting the tightening sleeve 4 through its gap, which would cause the electrochemical corrosion problem of the present invention.
In order to further optimize the above technical solution, a plurality of auxiliary holes 40 are formed on the outer wall of the tightening sleeve 4, and the plurality of auxiliary holes 40 are distributed along the circumferential direction of the tightening sleeve 4.
By adopting the technical scheme, the invention can realize the following technical effects: a tool such as a hexagonal wrench can be inserted into the auxiliary hole 40 so that the screwing sleeve 4 can be screwed by force, and thus, the disassembly and assembly are simple and labor-saving.
In order to further optimize the above technical solution, the method further comprises: the filter head 1 is provided with a first through hole 105 on the side wall close to the screwing sleeve 4, the screwing sleeve 4 is provided with a second through hole 106 corresponding to the first through hole 105 on the side wall close to the filter head 1, and the steel wire 5 respectively penetrates through the first through hole 105 and the second through hole 106 to connect the filter head 1 and the screwing sleeve 4.
By adopting the technical scheme, the invention can realize the following technical effects: the filter head 1 and the screwing sleeve 4 are further connected through the steel wire 5, so that the connection firmness and tightness among the filter head 1, the filter element 2, the sleeve 3 and the screwing sleeve 4 are improved, and the problem that water contacts the screwing sleeve 4 to cause electrochemical corrosion can be further prevented.
In order to further optimize the above technical solution, the first through holes 105 are plural, and the second through holes 106 are correspondingly connected to any one of the first through holes 105 through the steel wire 5.
By adopting the technical scheme, the invention can realize the following technical effects: the stability and tightness of the connection among the filter head 1, the filter element 2, the sleeve 3 and the screwing sleeve 4 are further improved.
In order to further optimize the technical scheme, one end of the sleeve 3, which is far away from the filter head 1, is fixed with a barrel pulling screw 6, and the axial direction of the barrel pulling screw 6 is perpendicular to the axial direction of the sleeve 3.
By adopting the technical scheme, the invention can realize the following technical effects: when the screwing sleeve 4 is disassembled, the screwing sleeve 4 is unscrewed and then pulled upwards, and in the process of pulling the screwing sleeve 4 upwards, the screwing sleeve 4 can abut against the barrel pulling screw 6, so that the sleeve 3 is pulled out along the belt, and the operation of the invention is further simple and labor-saving.
In order to further optimize the technical scheme, an annular limiting groove 107 is formed in the inner circular wall of the annular mounting groove 10 along the circumferential direction, and the outer wall of the filter element 2 close to the opening end of the filter element is inserted into the annular limiting groove 107 and is connected with the inner wall of the annular limiting groove 107 in a sealing mode.
By adopting the technical scheme, the invention can realize the following technical effects: the stability and the leakproofness of filter element 2 and filter head 1 are improved.
In order to further optimize the above technical solution, a second annular groove is formed on the inner wall of the annular limiting groove 107 along the circumferential direction thereof, a second sealing ring 7 is embedded in the second annular groove, and the second sealing ring 7 is in sealing contact with the outer wall of the filter element 2.
By adopting the technical scheme, the invention can realize the following technical effects: the second sealing ring 7 improves the sealing performance of the filter element 2 and the filter head 1.
In order to further optimize the above solution, the filter element 2 comprises: lead to end cover 21, outer skeleton 22, inner frame 23, filter cake 24 and end cover 25, and outer skeleton 22, inner frame 23 and filter cake 24 all have the hole of permeating water, outer skeleton 22 is both ends open-ended tube-shape with inner frame 23, outer skeleton 22 cover is established on inner frame 23, lead to end cover 21 and end cover 25 one-to-one and fix two ports at outer skeleton 22, two ports of the fixed inner frame 23 of while one-to-one, and outer skeleton 22 and inner frame 23 interval set up, outer skeleton 22, inner frame 23, lead to end cover 21 and end cover 25 and be formed with the appearance chamber, filter cake 24 is fixed in holding the intracavity, lead to end cover 21 and peg graft in annular spacing groove 107 simultaneously, and sealing contact second sealing washer 7.
By adopting the technical scheme, the invention can realize the following technical effects: the filter element 2 has better filtering effect.
In order to further optimize the above solution, the filter cake 24 is of a screen pleated structure.
By adopting the technical scheme, the invention can realize the following technical effects: the filtering effect of the filter element 2 is improved.
Example 1:
the embodiment of the invention discloses a thread anti-seizure seawater filter, which has the following working principle:
according to the invention, the filter head 1 is in threaded connection through the screwing sleeve 4, the screwing sleeve 4 is sleeved on the sleeve 3 to longitudinally position the sleeve 3, and the screwing sleeve 4 and the filter head 1 are made of different metal materials, so that after the filter head 1 and the sleeve 3 are respectively connected through the screwing sleeve 4, the problem of seizure at the threaded connection part is not easy to occur;
meanwhile, seawater can sequentially pass through the water inlet channel 101, the first conveying channel 103 and the annular channel 30, then enters the post-filtration channel 20 after being filtered by the filter element 2, and then sequentially passes through the second conveying channel 104 and the water outlet channel 102 to flow out, so that water can not contact with the screwing sleeve 4, one end of the filter head 1 is provided with the annular mounting groove 10, the side wall of the filter element 2 close to the opening end of the filter element is in sealing connection with the inner circular wall of the annular mounting groove 10, the outer wall of the sleeve 3 close to the opening end of the sleeve 3 is in sealing connection with the inner circular wall of the annular mounting groove 10, the screwing sleeve 4 is sleeved on the sleeve 3 to longitudinally limit the sleeve 3, so that the connection among the filter head 1, the filter element 2 and the sleeve 3 is tight, the screwing sleeve 4 can be protected against water, and therefore the water can not contact with the screwing sleeve 4, and the metal materials of the filter head 1, the filter element 2 and the sleeve 3 which are in contact with the water are the same, thereby preventing the problem of electrochemical corrosion.
When the screwing sleeve 4 is disassembled, the screwing sleeve 4 is unscrewed and then pulled upwards, and in the process of pulling the screwing sleeve 4 upwards, the screwing sleeve 4 can abut against the barrel pulling screw 6, so that the sleeve 3 is pulled out along the belt, and the operation of the invention is simple and labor-saving.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A thread seizure preventive seawater filter, comprising:
the filter head comprises a filter head (1), wherein one end of the filter head (1) is provided with an annular mounting groove (10), the side wall of the filter head (1) is respectively provided with a water inlet channel (101) and a water outlet channel (102), and meanwhile, the filter head (1) is internally provided with a first conveying channel (103) communicated with the water inlet channel (101) and a second conveying channel (104) communicated with the water outlet channel (102);
the filter element (2) is internally provided with a post-filtration channel (20), one end of the filter element (2) is an open end communicated with the post-filtration channel (20), the side wall, close to the open end, of the filter element (2) is hermetically connected with the inner circular wall of the annular mounting groove (10), and meanwhile, the second conveying channel (104) penetrates through the filter head (1) and is positioned at the circle center of the annular mounting groove (10) and communicated with the post-filtration channel (20);
the filter element comprises a sleeve (3), one end of the sleeve (3) is an open end, the other end of the sleeve is a closed end, the sleeve (3) is sleeved on the filter element (2) through the open end of the sleeve, the outer wall, close to the open end, of the sleeve (3) is hermetically connected with the inner wall of the outer circle of the annular mounting groove (10), meanwhile, an annular channel (30) communicated with the filtered channel (20) is formed on the inner wall of the sleeve (3) and the outer wall of the filter element (2), and the first conveying channel (103) penetrates through the groove bottom of the annular mounting groove (10) and is communicated with the annular channel (30);
fasten cover (4) soon, fasten cover (4) cover soon and establish on sleeve (3), simultaneously with the excircle inner wall threaded connection of annular mounting groove (10), in order to incite somebody to action sleeve (3) with filter head (1) locking, and filter head (1), filter core (2) and the metal material of sleeve (3) is the same, and all with fasten the material of cover (4) different soon.
2. A threaded anti-seizure seawater filter according to claim 1, wherein the sleeve (3) has a ring of annular protrusion (31) fixed to its outer wall near its open end along its circumferential direction, the annular protrusion (31) is located between the bottom of the annular mounting groove (10) and the tightening sleeve (4), and the tightening sleeve (4) presses the annular protrusion (31) on the bottom of the annular mounting groove (10).
3. A threaded anti-seizure seawater filter according to claim 2, wherein the outer circumferential inner wall of the annular mounting groove (10) is provided with a first annular groove (109) along the circumferential direction thereof, a first sealing ring (100) is embedded in the first annular groove (109), and the first sealing ring (100) is in sealing contact with the annular protrusion (31).
4. A threaded anti-seizure seawater filter according to claim 1, wherein the outer wall of the tightening sleeve (4) is provided with a plurality of auxiliary holes (40), and the plurality of auxiliary holes (40) are distributed along the circumferential direction of the tightening sleeve (4).
5. A threaded anti-seizure seawater strainer according to claim 1 further comprising: steel wire (5), filter head (1) is close to first through-hole (105) have been seted up on the lateral wall of screwing sleeve (4), it is close to screw sleeve (4) set up on the lateral wall of filter head (1) and correspond second through-hole (106) of first through-hole (105), steel wire (5) pass respectively first through-hole (105) with second through-hole (106), in order to connect filter head (1) with screw sleeve (4).
6. A threaded anti-seizure seawater strainer according to claim 5, wherein the first through holes (105) are plural, and the second through holes (106) are correspondingly connected with any one of the first through holes (105) through the steel wire (5).
7. A threaded anti-seizure seawater filter according to claim 1, wherein a barrel-pulling screw (6) is fixed to one end of the sleeve (3) away from the filter head (1), and the axial direction of the barrel-pulling screw (6) is perpendicular to the axial direction of the sleeve (3).
8. A threaded anti-bite seawater filter according to claim 1, wherein an annular limiting groove (107) is formed in the inner circumferential wall of the annular mounting groove (10) along the circumferential direction, and the outer wall of the filter element (2) close to the open end thereof is inserted into the annular limiting groove (107) and is in sealing connection with the inner wall of the annular limiting groove (107).
9. A threaded anti-seizure seawater filter according to claim 8, wherein a second annular groove is formed in the inner wall of the annular limiting groove (107) along the circumferential direction of the annular limiting groove, a second sealing ring (7) is embedded in the second annular groove, and the second sealing ring (7) is in sealing contact with the outer wall of the filter element (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111021543.8A CN113713458A (en) | 2021-09-01 | 2021-09-01 | Thread anti-seize seawater filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111021543.8A CN113713458A (en) | 2021-09-01 | 2021-09-01 | Thread anti-seize seawater filter |
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| CN113713458A true CN113713458A (en) | 2021-11-30 |
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| CN202111021543.8A Pending CN113713458A (en) | 2021-09-01 | 2021-09-01 | Thread anti-seize seawater filter |
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Citations (14)
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|---|---|---|---|---|
| US20040011724A1 (en) * | 2000-01-12 | 2004-01-22 | Rolf Engelhard | Filter cartridge support |
| CN201529437U (en) * | 2009-09-28 | 2010-07-21 | 许鸿涛 | Sea fresh water filter |
| CN102107099A (en) * | 2009-12-25 | 2011-06-29 | 南通中船机械制造有限公司 | Seawater filter |
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Application publication date: 20211130 |