CN114307314A - Large-flux suction head filter element and processing technology thereof - Google Patents
Large-flux suction head filter element and processing technology thereof Download PDFInfo
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- CN114307314A CN114307314A CN202111647129.8A CN202111647129A CN114307314A CN 114307314 A CN114307314 A CN 114307314A CN 202111647129 A CN202111647129 A CN 202111647129A CN 114307314 A CN114307314 A CN 114307314A
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- filter element
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- upper seat
- suction head
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- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000012545 processing Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 239000013585 weight reducing agent Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004512 die casting Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 239000012943 hotmelt Substances 0.000 claims 1
- 238000005213 imbibition Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a large-flux suction head filter element and a processing technology thereof, and the large-flux suction head filter element comprises a filter element upper seat, wherein a first clamping groove is formed in the middle position of the bottom of the filter element upper seat, mounting grooves are formed in two sides of the inner wall of the first clamping groove, gaskets are clamped on the inner walls of the two mounting grooves, a connecting shaft is fixedly arranged in the middle position of one side of each gasket, and a first thread groove is formed in the edge of the top end of the filter element upper seat. According to the large-flux sucker filter element, the snap ring at the upper end of the elastic tube is clamped through the first clamping groove at the bottom of the upper seat of the filter element and is matched with the mounting groove at the upper end of the elastic tube to lock the buckle, so that the whole device is completely mounted, and when the device is dismounted in a later period, the connecting shafts at two sides of the upper seat of the filter element are pressed to extrude the buckle in the mounting groove to separate the buckle under the action of the buffer spring, so that the snap ring can be pulled out from the first clamping groove, the elastic tube is dismounted to be cleaned and replaced, a user can replace the filter element conveniently, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of suction head filter elements, in particular to a large-flux suction head filter element and a processing technology thereof.
Background
The traditional large-flux suction head filter element is mainly used as a device for filtering and purifying liquid at the output end of a liquid transfer machine used in some medical or research industries, and along with the development of modern science and technology, the function and the action of the liquid transfer machine are greatly improved, so that the function and the quality of the suction head filter element at the output end of the liquid transfer machine also need to be further improved, and the requirement of the liquid transfer machine in the use of modern medical research can be better met;
in the prior art, when designing and manufacturing the large-flux suction head filter element, most designers pay attention to the bearing capacity of the device, so that the device does not need to replace the internal filter element with high frequency under the action of long-time liquid absorption, but when in use, if the filter element at the upper end of the device is replaced, the step of installing the upper end of the device is complex, the device can be relatively responsible for disassembly, the use burden of a user is increased, and the practicability of the device is reduced.
Disclosure of Invention
The invention aims to provide a large-flux suction head filter element and a processing technology thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-flux sucker filter element and a processing technology thereof comprise a filter element upper seat, wherein a first clamping groove is formed in the middle position of the bottom of the filter element upper seat, mounting grooves are formed in two sides of the inner wall of the first clamping groove, gaskets are clamped and arranged on the inner walls of the two mounting grooves, the outer walls of the two gaskets are respectively connected with the inner walls of the two mounting grooves in a sliding mode, a connecting shaft is fixedly arranged in the middle position of one side of each of the two gaskets, the outer wall of one end of each connecting shaft is respectively connected with the inner wall of one end of each mounting groove in an inserting mode, a first thread groove is formed in the edge of the top end of the filter element upper seat, a cavity is formed in the middle position of the top end of the filter element upper seat, a through groove is formed in the middle position of the bottom of the inner wall of the cavity, a first sealing gasket is clamped at the upper edge of the inner wall of the cavity, a connecting pipe is fixedly arranged in the middle position of the bottom of the filter element upper seat, and the inner wall of one end of the connecting pipe is communicated with the inner wall of the through groove.
Preferably, the clamping seats are fixedly arranged in the middle positions of two sides of the outer wall of the upper filter element seat, and the elastic pipe is fixedly arranged at the bottom of the upper filter element seat.
Preferably, the outer wall of elastic tube equidistance is fixed and is equipped with a plurality of guard rings, the fixed snap ring that is equipped with in intermediate position on elastic tube top, and the outer wall of snap ring is connected with the inner wall block of first draw-in groove.
Preferably, two the intermediate position of snap ring outer wall both sides all sets up flutedly, two one side of recess inner wall all is fixed and is equipped with buffer spring, two buffer spring's one end is all fixed and is equipped with the buckle, and the outer wall of two buckles passes the inner wall of two mounting grooves respectively and the opposite side contact of two gaskets.
Preferably, the fixed screw thread ring that is equipped with in bottom of elasticity pipe, the bottom block of elasticity pipe is equipped with the filter core base, the second thread groove has been seted up on the top of filter core base, and the outer wall of screw thread ring and the inner wall threaded connection of second thread groove.
Preferably, the edge of the inner wall of the filter element base is provided with a weight reduction groove, a containing pipe is fixedly arranged at the middle position of the top end of the filter element base, the inner wall of the containing pipe is connected with the outer wall of the connecting pipe in an inserting mode, a second sealing washer is clamped at the upper edge of the inner wall of the containing pipe, and the inner wall of the second sealing washer is in contact with the outer wall of the connecting pipe.
Preferably, the bottom of filter core base is fixed and is equipped with the holding ring, a plurality of screws have been seted up to the edge equidistance on holding ring top, the inner wall of accomodating the pipe has seted up the filling tank.
Preferably, one side of the inner wall of the filling groove is provided with a sterilization layer in a clamping manner, the middle position of the inner wall of the filling groove is provided with an anti-corrosion foam layer in a clamping manner, and the other side of the inner wall of the filling groove is provided with a waterproof layer in a clamping manner.
Preferably, the inner wall of the containing pipe is clamped with a second clamping groove, a plurality of vent holes are formed in one side of the inner wall of the second clamping groove at equal intervals, and one end of the inner wall of each vent hole is communicated with the inside of the filling groove respectively.
The invention has the technical effects and advantages that:
(1) the upper seat connecting structure convenient to disassemble and assemble is arranged on the device, and the structure mainly comprises a filter element upper seat, a first clamping groove, a mounting groove, a gasket, a connecting shaft, a first thread groove, a cavity, a first sealing washer, a through groove and the like;
(2) according to the invention, the bottom filtering support structure is arranged on the device, and the structure mainly comprises the filter element base, the weight reduction groove, the second thread groove, the accommodating pipe, the second sealing washer and the like, when the device is used, the accommodating pipe is butted with the connecting pipe after the filter element base is connected with the elastic pipe, so that impurities intercepted after the filtering action during the use of the whole device can directly fall into the accommodating pipe and are collected, and the impurities can be randomly removed after the second thread groove is connected with the elastic pipe, so that the internal accommodating pipe is convenient to replace and clean, the whole filter element structure is not completely replaced, the maintenance cost is saved, and the use cost of the device is reduced;
(3) according to the invention, the device is provided with the internal protection structure which mainly comprises the filling groove, the sterilization layer, the anti-corrosion foam layer, the waterproof layer, the second clamping groove, the vent hole and the like, bacteria in impurities are effectively inactivated through the sterilization layer, the anti-corrosion foam layer enables the filter core to be contacted with different types of impurity garbage for a long time and not easy to corrode the interior of the filter core, more bacteria are generated, the waterproof layer effectively prevents water from permeating the interior of the filter core, and the second clamping groove and the vent hole enable the interior of the filter core to ventilate and keep relatively dry, so that the service life of the filter core structure in the device is prolonged.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural view of the filter element upper seat, the mounting groove and the connecting shaft of the invention, which are convenient to mount.
FIG. 3 is a schematic view of the structure of the snap ring and the elastic tube connection filter according to the present invention.
FIG. 4 is a schematic view of the filter element base and the bottom of the storage tube.
FIG. 5 is a schematic view of the structure of the filling tank and the vent holes for protection and ventilation according to the present invention.
In the figure: 1. a filter element upper seat; 2. a first card slot; 3. mounting grooves; 4. a connecting shaft; 5. a first thread groove; 6. a cavity; 7. a first sealing gasket; 8. a through groove; 9. a connecting pipe; 10. a card holder; 11. an elastic tube; 12. a guard ring; 13. a snap ring; 14. a groove; 15. a buffer spring; 16. buckling; 17. a threaded ring; 18. a filter element base; 19. a weight reduction groove; 20. a second thread groove; 21. receiving a tube; 22. a second sealing gasket; 23. a positioning ring; 24. a screw hole; 25. filling the groove; 26. a sterilizing layer; 27. a corrosion-resistant foam layer; 28. a waterproof layer; 29. a second card slot; 30. and (4) a vent hole.
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 invention provides a large-flux suction head filter element and a processing technology thereof as shown in figures 1-5, the filter element comprises a filter element upper seat 1, clamping seats 10 are fixedly arranged at the middle positions of two sides of the outer wall of the filter element upper seat 1, an elastic tube 11 is fixedly arranged at the bottom of the filter element upper seat 1, a positioning ring 23 is fixedly arranged at the bottom of a filter element base 18, a plurality of screw holes 24 are equidistantly arranged at the edge of the top end of the positioning ring 23, and a filling groove 25 is arranged on the inner wall of a containing tube 21;
as shown in figure 2, a first clamping groove 2 is arranged at the middle position of the bottom of the filter element upper seat 1, mounting grooves 3 are respectively arranged at the two sides of the inner wall of the first clamping groove 2, gaskets are respectively clamped on the inner walls of the two mounting grooves 3, the outer walls of the two gaskets are respectively connected with the inner walls of the two mounting grooves 3 in a sliding way, the middle positions of one sides of the two gaskets are respectively fixedly provided with a connecting shaft 4, the outer walls of one ends of the two connecting shafts 4 are respectively connected with the inner walls of one ends of the two mounting grooves 3 in an inserting manner, a first thread groove 5 is formed in the edge of the top end of the filter element upper seat 1, a cavity 6 is formed in the middle of the top end of the filter element upper seat 1, a through groove 8 is formed in the middle of the bottom of the inner wall of the cavity 6, a first sealing washer 7 is clamped at the upper edge of the inner wall of the cavity 6, a connecting pipe 9 is fixedly arranged in the middle of the bottom of the filter element upper seat 1, and the inner wall of one end of the connecting pipe 9 is communicated with the inner wall of the through groove 8;
as shown in fig. 3, a plurality of protection rings 12 are fixedly arranged on the outer wall of an elastic tube 11 at equal intervals, a snap ring 13 is fixedly arranged at the middle position of the top end of the elastic tube 11, the outer wall of the snap ring 13 is connected with the inner wall of a first snap groove 2 in a snap-fit manner, grooves 14 are respectively formed in the middle positions of two sides of the outer wall of the two snap rings 13, buffer springs 15 are respectively fixedly arranged on one sides of the inner walls of the two grooves 14, buckles 16 are respectively fixedly arranged at one ends of the two buffer springs 15, and the outer walls of the two buckles 16 respectively penetrate through the inner walls of the two mounting grooves 3 to be contacted with the other sides of the two gaskets;
as shown in fig. 4, a threaded ring 17 is fixedly arranged at the bottom of the elastic tube 11, a filter element base 18 is clamped at the bottom of the elastic tube 11, a second threaded groove 20 is formed at the top end of the filter element base 18, the outer wall of the threaded ring 17 is in threaded connection with the inner wall of the second threaded groove 20, a weight reduction groove 19 is formed at the edge of the inner wall of the filter element base 18, a storage tube 21 is fixedly arranged at the middle position of the top end of the filter element base 18, the inner wall of the storage tube 21 is in penetrating connection with the outer wall of the connecting tube 9, a second sealing washer 22 is clamped at the upper edge of the inner wall of the storage tube 21, and the inner wall of the second sealing washer 22 is in contact with the outer wall of the connecting tube 9;
as shown in fig. 5, a sterilization layer 26 is fastened to one side of the inner wall of the filling groove 25, a corrosion-resistant foam layer 27 is fastened to the middle position of the inner wall of the filling groove 25, a waterproof layer 28 is fastened to the other side of the inner wall of the filling groove 25, a second clamping groove 29 is fastened to the inner wall of the storage pipe 21, a plurality of vent holes 30 are equidistantly formed in one side of the inner wall of the second clamping groove 29, and one end of the inner wall of each vent hole 30 is communicated with the inside of the filling groove 25.
The working principle of the invention is as follows: when the large-flux suction head filter element in the design scheme is used, firstly, the elastic tube 11 at the upper end of the device is respectively connected and fixed with the filter element upper seat 1 and the filter element base 18 through the snap ring 13 at the upper end and the threaded ring 17 at the lower end of the device, so that the whole suction head filter element structure can be arranged at the output end of equipment for filtering, and in the design scheme, the upper seat connecting structure which is convenient to disassemble and assemble and consists of the filter element upper seat 1, the first clamping groove 2, the mounting groove 3, the gasket, the connecting shaft 4, the first threaded groove 5, the cavity 6, the first sealing washer 7, the through groove 8 and the like is arranged, when the suction head filter element is used, the snap ring 13 at the upper end of the elastic tube 11 is clamped through the first clamping groove 2 at the bottom of the filter element upper seat 1 and is matched with the mounting groove 3 at the upper end to lock the buckle 16, so that the whole installation of the device is finished, when the suction head filter element upper seat is disassembled in the later period, the connecting shaft 4 at the two sides of the filter element upper seat 1 is pressed to extrude the buckle 16 in the mounting groove 3 to separate the filter element under the action of the buffer spring 15, the retainer ring 13 can be pulled out from the first clamping groove 2, the elastic tube 11 is disassembled for cleaning and replacement, and the user can replace the filter element by himself, thereby improving the practicability of the device, and the device is provided with a bottom filtering support structure which is composed of a filter element base 18, a lightening groove 19, a second thread groove 20, a containing tube 21, a second sealing washer 22 and the like, when in use, the containing tube 21 is butted with the connecting tube 9 after being connected with the elastic tube 11 through the filter element base 18, so that the impurities intercepted after the filtering action when the whole device is in use can directly fall into the containing tube 21 and be collected, and the impurities can be removed at will after being connected with the elastic tube 11 through the second thread groove 20, thereby being convenient for replacing and cleaning the containing tube 21 inside, but not replacing the whole filter element structure, saving the maintenance cost, thereby reducing the use cost of the device, and the lightening groove 19 inside the filter element base 18 plays the role of buffering and lightening, so that the filter element base can be used for a long time under the equipment vibration environment, and the device is provided with an internal protection structure which is composed of a filling groove 25, a sterilization layer 26, an anti-corrosion foam layer 27, a waterproof layer 28, a second clamping groove 29, a vent hole 30 and the like, bacteria in impurities are effectively inactivated through the sterilization layer 26, the anti-corrosion foam layer 27 enables the filter element to be contacted with different types of impurity garbage for a long time and cannot be easily corroded by the filter element to generate more bacteria, the waterproof layer 28 effectively prevents the water seepage in the filter element, the second clamping groove 29 and the vent hole 30 enable the interior of the filter element to ventilate, the relative dryness is kept, and the service life of the filter element structure in the device is prolonged.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A large-flux suction head filter element comprises a filter element upper seat (1) and is characterized in that a first clamping groove (2) is formed in the middle position of the bottom of the filter element upper seat (1), mounting grooves (3) are formed in two sides of the inner wall of the first clamping groove (2), gaskets are clamped on the inner walls of the two mounting grooves (3), the outer walls of the two gaskets are respectively in sliding connection with the inner walls of the two mounting grooves (3), a connecting shaft (4) is fixedly arranged in the middle position of one side of each of the two gaskets, the outer wall of one end of each of the two connecting shafts (4) is respectively in penetrating connection with the inner wall of one end of each of the two mounting grooves (3), a first threaded groove (5) is formed in the edge of the top end of the filter element upper seat (1), a cavity (6) is formed in the middle position of the top end of the filter element upper seat (1), and a through groove (8) is formed in the middle position of the bottom of the inner wall of the cavity (6), the filter element upper seat is characterized in that a first sealing washer (7) is clamped at the upper edge of the inner wall of the cavity (6), a connecting pipe (9) is fixedly arranged at the middle position of the bottom of the filter element upper seat (1), and the inner wall of one end of the connecting pipe (9) is communicated with the inner wall of the through groove (8).
2. A high-flux suction head filter element according to claim 1, wherein a clamping seat (10) is fixedly arranged at the middle position of two sides of the outer wall of the filter element upper seat (1), and an elastic pipe (11) is fixedly arranged at the bottom of the filter element upper seat (1).
3. A large-flux suction head filter element according to claim 2, wherein a plurality of guard rings (12) are fixedly arranged on the outer wall of the elastic tube (11) at equal intervals, a snap ring (13) is fixedly arranged at the middle position of the top end of the elastic tube (11), and the outer wall of the snap ring (13) is connected with the inner wall of the first clamping groove (2) in a clamping manner.
4. A large-flux suction head filter element according to claim 3, wherein a groove (14) is formed in the middle of each of two sides of the outer wall of each of the two snap rings (13), a buffer spring (15) is fixedly arranged on each of one sides of the inner walls of the two grooves (14), a buckle (16) is fixedly arranged at one end of each of the two buffer springs (15), and the outer walls of the two buckles (16) respectively penetrate through the inner walls of the two mounting grooves (3) to be in contact with the other sides of the two gaskets.
5. A large-flux suction head filter element according to claim 2, wherein a threaded ring (17) is fixedly arranged at the bottom of the elastic tube (11), a filter element base (18) is arranged at the bottom of the elastic tube (11) in a clamping manner, a second threaded groove (20) is formed at the top end of the filter element base (18), and the outer wall of the threaded ring (17) is in threaded connection with the inner wall of the second threaded groove (20).
6. The large-flux suction head filter element according to claim 5, wherein a weight reduction groove (19) is formed in the edge of the inner wall of the filter element base (18), a storage pipe (21) is fixedly arranged in the middle of the top end of the filter element base (18), the inner wall of the storage pipe (21) is connected with the outer wall of the connecting pipe (9) in an inserting mode, a second sealing washer (22) is clamped at the upper edge of the inner wall of the storage pipe (21), and the inner wall of the second sealing washer (22) is in contact with the outer wall of the connecting pipe (9).
7. A high-flux suction head filter element according to claim 6, wherein a positioning ring (23) is fixed at the bottom of the filter element base (18), a plurality of screw holes (24) are formed at the edge of the top end of the positioning ring (23) at equal intervals, and a filling groove (25) is formed on the inner wall of the accommodating pipe (21).
8. A large-flux suction head filter element according to claim 7, wherein a sterilizing layer (26) is clamped on one side of the inner wall of the filling groove (25), an anti-corrosion foam layer (27) is clamped in the middle position of the inner wall of the filling groove (25), and a waterproof layer (28) is clamped on the other side of the inner wall of the filling groove (25).
9. A high-flux suction head filter element according to claim 6, wherein a second clamping groove (29) is clamped on the inner wall of the receiving pipe (21), a plurality of vent holes (30) are formed in one side of the inner wall of the second clamping groove (29) at equal intervals, and one end of the inner wall of each vent hole (30) is communicated with the inside of the filling groove (25).
10. A processing technology of a large-flux suction head filter element comprises the following steps:
firstly, when the filter element with the large-flux suction head is processed, a filter element upper seat (1) and a filter element base (18) at the upper end of the device are processed through a specified processing die to be molded, and the molded filter element upper seat (1) and the molded filter element base (18) are connected through an elastic pipe (11) to form a whole;
step two, when the elastic pipe (11) and the filter element upper seat (1) are connected, buckles (16) with buffer springs (15) on two sides of a clamping ring (13) are clamped into the mounting grooves (3) on two sides of the inner wall of the first clamping groove (2), so that the connecting shaft (4) is popped out by a contact gasket of the buckles, later-stage disassembly is facilitated, and then the inner wall of a first threaded groove (20) on the top end of a filter element base (18) is in threaded connection with a threaded ring (17) at the bottom of the elastic pipe (11) to complete splicing;
step three, the suction head filter core structure after the concatenation is inside to be connected through connecting pipe (9) and accomodate pipe (21), make its output intercommunication with the device, dust after the imbibition can directly get into the inside of accomodating pipe (21) through connecting pipe (9), and the top of filter core upper seat (1) processes out first thread groove (5) and makes things convenient for the device to be connected with external equipment through die-casting fashioned operation, and install block respectively on cavity (6) and the inner wall of accomodating pipe (21) with first seal ring (7) and second seal ring (22) through the mode of hot melt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111647129.8A CN114307314A (en) | 2021-12-30 | 2021-12-30 | Large-flux suction head filter element and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111647129.8A CN114307314A (en) | 2021-12-30 | 2021-12-30 | Large-flux suction head filter element and processing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114307314A true CN114307314A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111647129.8A Pending CN114307314A (en) | 2021-12-30 | 2021-12-30 | Large-flux suction head filter element and processing technology thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114307314A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004148158A (en) * | 2002-10-29 | 2004-05-27 | Nitto Denko Corp | Tip filter and tip |
| CN206299920U (en) * | 2016-12-06 | 2017-07-04 | 宋益娟 | A kind of skyscraper supplying drainage |
| CN210786448U (en) * | 2019-10-15 | 2020-06-19 | 安徽志泽净水设备有限公司 | Water purifier with conveniently replaced filter element |
| CN211436244U (en) * | 2019-09-25 | 2020-09-08 | 杭州潮韵生物技术有限公司 | Prevent cross contamination's liquid-transfering gun head |
| CN211748915U (en) * | 2020-01-03 | 2020-10-27 | 上海赵小蝶化妆品有限公司 | Filter device for water purifier |
| CN212982501U (en) * | 2020-07-08 | 2021-04-16 | 四川汇投环保工程有限责任公司 | Front domestic water purifier |
-
2021
- 2021-12-30 CN CN202111647129.8A patent/CN114307314A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004148158A (en) * | 2002-10-29 | 2004-05-27 | Nitto Denko Corp | Tip filter and tip |
| CN206299920U (en) * | 2016-12-06 | 2017-07-04 | 宋益娟 | A kind of skyscraper supplying drainage |
| CN211436244U (en) * | 2019-09-25 | 2020-09-08 | 杭州潮韵生物技术有限公司 | Prevent cross contamination's liquid-transfering gun head |
| CN210786448U (en) * | 2019-10-15 | 2020-06-19 | 安徽志泽净水设备有限公司 | Water purifier with conveniently replaced filter element |
| CN211748915U (en) * | 2020-01-03 | 2020-10-27 | 上海赵小蝶化妆品有限公司 | Filter device for water purifier |
| CN212982501U (en) * | 2020-07-08 | 2021-04-16 | 四川汇投环保工程有限责任公司 | Front domestic water purifier |
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