CN208802846U - A kind of drinking water safety processing filter device convenient for cleaning - Google Patents

A kind of drinking water safety processing filter device convenient for cleaning Download PDF

Info

Publication number
CN208802846U
CN208802846U CN201821228011.5U CN201821228011U CN208802846U CN 208802846 U CN208802846 U CN 208802846U CN 201821228011 U CN201821228011 U CN 201821228011U CN 208802846 U CN208802846 U CN 208802846U
Authority
CN
China
Prior art keywords
fixedly connected
cartridge filter
wall
filter
cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821228011.5U
Other languages
Chinese (zh)
Inventor
胡晓晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ganzhou Wanwannian Original Ecological Drinks Co Ltd
Original Assignee
Ganzhou Wanwannian Original Ecological Drinks Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ganzhou Wanwannian Original Ecological Drinks Co Ltd filed Critical Ganzhou Wanwannian Original Ecological Drinks Co Ltd
Priority to CN201821228011.5U priority Critical patent/CN208802846U/en
Application granted granted Critical
Publication of CN208802846U publication Critical patent/CN208802846U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of drinking water safety processing filter devices convenient for cleaning, including cartridge filter, the bottom on cartridge filter surface is fixedly connected with bottom plate, the quadrangle of bottom base plate is fixedly connected to support column, outlet pipe is communicated on the left of cartridge filter, the rear end of cartridge filter right hand top is communicated with water inlet pipe, and cartridge filter is fixedly connected with fixed cylinder on the left of bottom, the bottom of fixed cylinder inner wall offers threaded hole one, and the internal whorl of threaded hole one is connected with supporting block.The utility model drives spill bar to be rotated by rotor plate, spill bar can be cleaned by inner wall of the bristle to cartridge filter simultaneously, to have the advantages of convenient for cleaning to the inner wall of Rose Box, solving existing filter device is to be cleaned by user using inner wall of the towel to Rose Box, the slow problem of cleaning speed, and should be easy to operate convenient for the drinking water safety processing filter device of cleaning, it is practical, it is used convenient for user.

Description

A kind of drinking water safety processing filter device convenient for cleaning
Technical field
The utility model relates to drinking water safety processing technology field, at specially a kind of drinking water safety convenient for cleaning Reason uses filter device.
Background technique
Drinking water is the water for referring to supplier's body and drinking, and water is the chief component of body fluid, is to constitute cell, tissue The important substance of liquid, blood plasma etc., the media of water as all chemical reactions in vivo are the flat of various nutrients and matter transportation Platform.
Drinking water needs to carry out advanced treating to it before consumption, and needs to use filtering in drinking water advanced treatment Device is filtered it, to remove the impurity in water removal, but existing filter device is using towel by user to mistake The inner wall of filter box is cleaned, and cleaning speed is slow, and the person of being not convenient to use uses.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of drinking water safety processing filtering convenient for cleaning Device had convenient for the advantages of cleaning to the inner wall of Rose Box, and solving existing filter device is by user's benefit It is cleaned with inner wall of the towel to Rose Box, the slow problem of cleaning speed.
(2) technical solution
In order to achieve the above object, the utility model provides the following technical solutions: a kind of drinking water safety convenient for cleaning Processing filter device, including cartridge filter, the bottom on the cartridge filter surface are fixedly connected with bottom plate, and the four of the bottom base plate Angle is fixedly connected to support column, and outlet pipe is communicated on the left of the cartridge filter, and the rear end of the cartridge filter right hand top connects It is connected with water inlet pipe, fixed cylinder is fixedly connected on the left of the cartridge filter bottom, the bottom of the fixed cylinder inner wall offers spiral shell Pit one, the internal whorl of the threaded hole one are connected with supporting block, and the bottom of the supporting block inner wall is connected by bearing activity It is connected to connecting rod, filter plate is fixedly connected at the top of the connecting rod, the bottom of the cartridge filter offers in fixed cylinder The opening in portion, the top of the filter plate pass through the inside for being open and being extended to the over filter cylinder, the internal activity installation of the cartridge filter There is the spill bar being located on the right side of filter plate, the surface of the spill bar is fixedly connected with bristle, and the top of the spill bar is through to The top of cartridge filter is simultaneously fixedly connected with rotor plate.
Preferably, the bottom of the supporting block is fixedly connected with drive block, is provided with extension bar on the left of the drive block, The right end of the extension bar is through to the right side of drive block, and the both ends of the extension bar, which are fixedly connected to, blocks.
Preferably, it is fixedly connected with fixture block one at the top of the filter plate, offers card slot at the top of the cartridge filter inner wall One, the top of the fixture block one extends to the inside of card slot one, and the right side at the top of the rotor plate is provided with bull stick, the bull stick Bottom end be through to the bottom of rotor plate and be fixedly connected with fixture block two, offered at the top of the cartridge filter positioned at rotor plate bottom The bottom of the card slot two in portion, the fixture block two extends to the inside of card slot two.
Preferably, circular groove one is offered on the left of the cartridge filter inner wall, the top on the left of the cartridge filter is provided with spray Water pipe, the right end of the sparge pipe are through to the inside of circular groove one and are communicated with spray head, be fixedly connected at the top of the bottom plate Water tank on rear side of cartridge filter is fixedly connected with water pump at the top of the water tank, and the input terminal of the water pump passes through connecting tube It is connected to the bottom at the water tank back side, the output end of the water pump is connected to by connecting tube with the top of sparge pipe, the water pump Model MD6-25.
Preferably, the left end of the sparge pipe offers threaded hole two, and the internal whorl of the threaded hole two is connected with spiral shell Line plug is fixedly connected with sealing ring one at the top of the cartridge filter, and the surface of the inner wall and spill bar of the sealing ring one connects It touches, is fixedly connected with sealing ring two at the top of the supporting block inner wall, the inner wall of the sealing ring two and the surface of connecting rod connect It touches, is fixedly connected with sealing ring three at the top of the supporting block, the top of the sealing ring three is contacted with the bottom of cartridge filter.
Preferably, the bottom of the cartridge filter inner wall offers circular groove two, and the bottom end of the spill bar passes through bearing and circle The bottom of two inner wall of slot is flexibly connected, and is fixedly connected with sealing ring four at the top of two inner wall of circular groove, the sealing ring four Inner wall is contacted with the surface of spill bar.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of drinking water safety processing filtering dress convenient for cleaning Set, have it is following the utility model has the advantages that
1, spill bar should be driven to be rotated by rotor plate convenient for the drinking water safety processing filter device of cleaning, Spill bar can be cleaned by inner wall of the bristle to cartridge filter simultaneously, to have convenient for cleaning to the inner wall of Rose Box The advantages of, solving existing filter device is to be cleaned by user using inner wall of the towel to Rose Box, cleaning speed Slow problem is spent, and should be handled convenient for the drinking water safety of cleaning and use filter device, it is easy to operate, it is practical, it is easy to use Person uses.
2, it should be handled convenient for the drinking water safety of cleaning and use filter device, it, being capable of band by setting drive block and extension bar Dynamic supporting block is rotated, and the velocity of rotation of supporting block is reduced, and increases extension bar to the transmission dynamics of supporting block, Neng Gou Significantly more efficient drive supporting block rotates when user's rotation extension bar, can be right by setting fixture block one and card slot one Filter plate is fixed, and avoiding filter device, the phenomenon that double swerve occurs in filter plate in use, improves filter plate and is using When stability rotor plate can be fixed by setting fixture block two and card slot two, avoid filter device in use process In, the phenomenon that spill bar rotates, the stability of spill bar is improved, by setting water tank and spray head, makes bristle to filtering While cylinder inner wall is cleaned, the inside that spray head can inject water into cartridge filter is cleaned, to improve filtering dress The cleaning effect set, by setting threaded hole two and screw plug, can when filter device does not need cleaning, to sparge pipe into Row sealing avoids drinking water and occurs the phenomenon that flowing into water tank from sparge pipe in filtering, passes through setting circular groove two and sealing ring Four, the phenomenon that capable of being supported to the bottom end of spill bar, spill bar is avoided to shake in rotation, improves spill bar and exist Stability when rotation.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model left view structural representation;
Fig. 3 is the utility model partial structurtes top cross-sectional view;
Fig. 4 is the enlarged diagram in Fig. 1 at A;
Fig. 5 is the enlarged diagram in Fig. 1 at B.
In figure: 1 cartridge filter, 2 bottom plates, 3 support columns, 4 outlet pipes, 5 water inlet pipes, 6 fixed cylinders, 7 threaded holes one, 8 supporting blocks, 9 connecting rods 10 filter plates, 11 openings, 12 spill bars, 13 bristles, 14 rotor plates, 15 drive blocks, 16 extension bars, 17 are blocked, 18 cards Block one, 19 card slots one, 20 bull sticks, 21 fixture blocks two, 22 card slots two, 23 circular grooves one, 24 sparge pipes, 25 spray heads, 26 water tanks, 27 water Pump, 28 threaded holes two, 29 screw plugs, 30 sealing rings one, 31 sealing rings two, 32 sealing rings three, 33 circular grooves two, 34 sealing rings Four.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-5, a kind of drinking water safety processing filter device convenient for cleaning, including cartridge filter 1, cartridge filter The bottom on 1 surface is fixedly connected with bottom plate 2, and circular groove 1, the top in 1 left side of cartridge filter are offered on the left of 1 inner wall of cartridge filter It is provided with sparge pipe 24, the right end of sparge pipe 24 is through to the inside of circular groove 1 and is communicated with spray head 25, and the top of bottom plate 2 is solid Surely it is connected with the water tank 26 positioned at 1 rear side of cartridge filter, the top of water tank 26 is fixedly connected with water pump 27, and the input terminal of water pump 27 is logical Connecting tube to be crossed to be connected to the bottom at 26 back side of water tank, the output end of water pump 27 is connected to by connecting tube with the top of sparge pipe 24, The model MD6-25 of water pump 27 carries out bristle 13 to 1 inner wall of cartridge filter clean same by setting water tank 26 and spray head 25 When, the inside that spray head 25 can inject water into cartridge filter 1 is cleaned, to improve the cleaning effect of filter device, is sprayed The left end of water pipe 24 offers threaded hole 2 28, and the internal whorl of threaded hole 2 28 is connected with screw plug 29, by the way that spiral shell is arranged Pit 2 28 and screw plug 29 can be sealed sparge pipe 24, avoid and drink when filter device does not need cleaning Water occurs the phenomenon that flowing into water tank 26 from sparge pipe 24 in filtering, and the quadrangle of 2 bottom of bottom plate is fixedly connected to support column 3, The left side of cartridge filter 1 is communicated with outlet pipe 4, and the rear end of 1 right hand top of cartridge filter is communicated with water inlet pipe 5, a left side for 1 bottom of cartridge filter Side is fixedly connected with fixed cylinder 6, and the bottom of 6 inner wall of fixed cylinder offers threaded hole 1, the internal whorl connection of threaded hole 1 There is supporting block 8, the bottom of supporting block 8 is fixedly connected with drive block 15, and the left side of drive block 15 is provided with extension bar 16, extension bar 16 right end is through to the right side of drive block 15, and the both ends of extension bar 16, which are fixedly connected to, blocks 17, passes through setting drive block 15 and extension bar 16, it is able to drive supporting block 8 and is rotated, reduce the velocity of rotation of supporting block 8, it is right to increase extension bar 16 The transmission dynamics of supporting block 8 significantly more efficient drive supporting block 8 can be rotated when user rotates extension bar 16, be propped up Sealing ring 2 31 is fixedly connected at the top of 8 inner wall of bracer, the inner wall of sealing ring 2 31 is contacted with the surface of connecting rod 9, support The top of block 8 is fixedly connected with sealing ring 3 32, and the top of sealing ring 3 32 is contacted with the bottom of cartridge filter 1,8 inner wall of supporting block Bottom connecting rod 9 is connected with by bearing, the top of connecting rod 9 is fixedly connected with filter plate 10, and the top of filter plate 10 is solid Surely it is connected with fixture block 1, card slot 1 is offered at the top of 1 inner wall of cartridge filter, the top of fixture block 1 extends to card slot 1 Inside filter plate 10 can be fixed by setting fixture block 1 and card slot 1, avoid filter device in use process There is the phenomenon that double swerve in middle filter plate 10, improves the stability of filter plate 10 when in use, and the bottom of cartridge filter 1 offers position Opening 11 inside fixed cylinder 6, the top of filter plate 10 pass through opening 11 and are extended to the over the inside of filter cylinder 1, cartridge filter 1 it is interior Portion is movably installed with the spill bar 12 positioned at the right side of filter plate 10, and the surface of spill bar 12 is fixedly connected with bristle 13, in cartridge filter 1 The bottom of wall offers circular groove 2 33, and the bottom end of spill bar 12 is flexibly connected by bearing with the bottom of 2 33 inner wall of circular groove, circle Sealing ring 4 34 is fixedly connected at the top of 2 33 inner wall of slot, the inner wall of sealing ring 4 34 is contacted with the surface of spill bar 12, is led to Setting circular groove 2 33 and sealing ring 4 34 are crossed, the bottom end of spill bar 12 can be supported, avoids spill bar 12 in rotation The phenomenon that shaking, the top for improving stability spill bar 12 of the spill bar 12 in rotation are through to the top of cartridge filter 1 Portion is simultaneously fixedly connected with rotor plate 14, and the top of cartridge filter 1 is fixedly connected with sealing ring 1, the inner wall of sealing ring 1 with it is recessed The surface of shape bar 12 contacts, and the right side at 14 top of rotor plate is provided with bull stick 20, and the bottom end of bull stick 20 is through to rotor plate 14 Bottom is simultaneously fixedly connected with fixture block 2 21, and the top of cartridge filter 1 offers the card slot 2 22 positioned at 14 bottom of rotor plate, fixture block two 21 bottom extends to the inside of card slot 2 22, by setting fixture block 2 21 and card slot 2 22, can consolidate to rotor plate 14 It is fixed, it avoids filter device in use, the phenomenon that spill bar 12 rotates, improves the stability of spill bar 12.
When in use, user holds extension bar 16 first and rotates, and extension bar 16 drives supporting block 8 by drive block 15 It is rotated, when supporting block 8 is detached from threaded hole 1, pulls downward on extension bar 16, filter plate 10 is made to be detached from cartridge filter 1, hold and turn Bar 20 and pulling up makes fixture block 2 21 be detached from card slot 2 22, then rotates bull stick 20, and bull stick 20 is driven recessed by rotor plate 14 Shape bar 12 rotates, and spill bar 12 is cleaned by inner wall of the bristle 13 to cartridge filter 1, starts water pump 27, and water pump 27 passes through spray The inside that water pipe 24 and spray head 25 make water spray into cartridge filter 1 is rinsed to the impurity fallen is brushed, and last impurity can pass through opening 11 Cartridge filter 1 is dropped out, to achieve the effect that convenient for cleaning to the inner wall of Rose Box.
In conclusion spill bar should be driven by rotor plate 14 convenient for the drinking water safety processing filter device of cleaning 12 are rotated, while spill bar 12 can be cleaned by inner wall of the bristle 13 to cartridge filter 1, to have convenient for filtering The advantages of inner wall of case is cleaned, solving existing filter device is the inner wall by user using towel to Rose Box It is cleaned, the slow problem of cleaning speed, and should be handled convenient for the drinking water safety of cleaning and use filter device, it is easy to operate, it is real It is strong with property, it is used convenient for user.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of drinking water safety processing filter device convenient for cleaning, including cartridge filter (1), it is characterised in that: the mistake The bottom on filter cylinder (1) surface is fixedly connected with bottom plate (2), and the quadrangle of bottom plate (2) bottom is fixedly connected to support column (3), it is communicated with outlet pipe (4) on the left of the cartridge filter (1), the rear end of cartridge filter (1) right hand top is communicated with into water It manages (5), is fixedly connected with fixed cylinder (6) on the left of cartridge filter (1) bottom, the bottom of fixed cylinder (6) inner wall opens up There is threaded hole one (7), the internal whorl of the threaded hole one (7) is connected with supporting block (8), the bottom of supporting block (8) inner wall Portion is connected with connecting rod (9) by bearing, is fixedly connected with filter plate (10), the filtering at the top of the connecting rod (9) The bottom of cylinder (1) offers the opening (11) internal positioned at fixed cylinder (6), and the top of the filter plate (10) passes through opening (11) simultaneously It is extended to the over the inside of filter cylinder (1), the internal activity of the cartridge filter (1) is equipped with the spill bar on the right side of filter plate (10) (12), the surface of the spill bar (12) is fixedly connected with bristle (13), and the top of the spill bar (12) is through to cartridge filter (1) top is simultaneously fixedly connected with rotor plate (14).
2. a kind of drinking water safety processing filter device convenient for cleaning according to claim 1, it is characterised in that: institute The bottom for stating supporting block (8) is fixedly connected with drive block (15), is provided with extension bar (16), institute on the left of the drive block (15) The right end for stating extension bar (16) is through to the right side of drive block (15), and the both ends of the extension bar (16), which are fixedly connected to, blocks (17)。
3. a kind of drinking water safety processing filter device convenient for cleaning according to claim 1, it is characterised in that: institute It states and is fixedly connected with fixture block one (18) at the top of filter plate (10), offer card slot one (19) at the top of cartridge filter (1) inner wall, The inside of card slot one (19) is extended at the top of the fixture block one (18), the right side at the top of the rotor plate (14) is provided with bull stick (20), the bottom end of the bull stick (20) is through to the bottom of rotor plate (14) and is fixedly connected with fixture block two (21), the filtering The card slot two (22) positioned at rotor plate (14) bottom is offered at the top of cylinder (1), the bottom of the fixture block two (21) extends to card The inside of slot two (22).
4. a kind of drinking water safety processing filter device convenient for cleaning according to claim 1, it is characterised in that: institute It states and offers circular groove one (23) on the left of cartridge filter (1) inner wall, the top on the left of the cartridge filter (1) is provided with sparge pipe (24), the right end of the sparge pipe (24) is through to the inside of circular groove one (23) and is communicated with spray head (25), the bottom plate (2) Top is fixedly connected with the water tank (26) on rear side of cartridge filter (1), is fixedly connected with water pump at the top of the water tank (26) (27), the input terminal of the water pump (27) is connected to by connecting tube with the bottom at water tank (26) back side, the water pump (27) it is defeated Outlet is connected to by connecting tube with the top of sparge pipe (24), the model MD6-25 of the water pump (27).
5. a kind of drinking water safety processing filter device convenient for cleaning according to claim 4, it is characterised in that: institute The left end for stating sparge pipe (24) offers threaded hole two (28), and the internal whorl of the threaded hole two (28) is connected with screw plug (29), sealing ring one (30), the inner wall and spill bar of the sealing ring one (30) are fixedly connected at the top of the cartridge filter (1) (12) surface contacts, and is fixedly connected with sealing ring two (31), the sealing ring two (31) at the top of supporting block (8) inner wall Inner wall contacted with the surface of connecting rod (9), be fixedly connected with sealing ring three (32) at the top of the supporting block (8), it is described close The top of seal three (32) is contacted with the bottom of cartridge filter (1).
6. a kind of drinking water safety processing filter device convenient for cleaning according to claim 1, it is characterised in that: institute The bottom for stating cartridge filter (1) inner wall offers circular groove two (33), and the bottom end of the spill bar (12) passes through bearing and circular groove two (33) bottom of inner wall is flexibly connected, and is fixedly connected with sealing ring four (34) at the top of circular groove two (33) inner wall, described close The inner wall of seal four (34) is contacted with the surface of spill bar (12).
CN201821228011.5U 2018-08-01 2018-08-01 A kind of drinking water safety processing filter device convenient for cleaning Expired - Fee Related CN208802846U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821228011.5U CN208802846U (en) 2018-08-01 2018-08-01 A kind of drinking water safety processing filter device convenient for cleaning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821228011.5U CN208802846U (en) 2018-08-01 2018-08-01 A kind of drinking water safety processing filter device convenient for cleaning

Publications (1)

Publication Number Publication Date
CN208802846U true CN208802846U (en) 2019-04-30

Family

ID=66228964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821228011.5U Expired - Fee Related CN208802846U (en) 2018-08-01 2018-08-01 A kind of drinking water safety processing filter device convenient for cleaning

Country Status (1)

Country Link
CN (1) CN208802846U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112169089A (en) * 2020-10-19 2021-01-05 李晓 Special ultrasonic atomization inhalation device for general surgery department nursing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112169089A (en) * 2020-10-19 2021-01-05 李晓 Special ultrasonic atomization inhalation device for general surgery department nursing

Similar Documents

Publication Publication Date Title
CN205762564U (en) A kind of handware processing is with cleaning device
CN205684416U (en) A kind of Chinese medicine circulation cleaning washing trough
CN110898491A (en) Sewage treatment plant convenient to wash
CN208802846U (en) A kind of drinking water safety processing filter device convenient for cleaning
CN208081960U (en) A kind of filter device of bio-pharmaceuticals extracting solution
CN206837626U (en) A kind of basket type filter
CN205759972U (en) A kind of sewage-treatment plant easy to use
CN112387723A (en) Cleaning tank convenient to clean
CN208561980U (en) A kind of chemical plant sewage treatment purification device
CN206391690U (en) A kind of ceramic honeycomb filter
CN208047979U (en) A kind of sweet potato wine processing raw material cleaning device of band aeration elution function
CN205948456U (en) Easily wash filter equipment
CN212268421U (en) Cleaning tank convenient to clean
CN106172081A (en) A kind of cleaning machine
CN209109682U (en) A kind of processing of crude drugs cleaning device
CN205007732U (en) Filter equipment convenient to back flush
CN212188139U (en) Spiral brush type intelligent water filter
CN206715415U (en) Novel partculate filter
CN209292119U (en) A kind of environment-friendly sewage processing equipment convenient for removing internal impurity
CN208525969U (en) A kind of drug filter residue extraction element
CN208532479U (en) A kind of sewage purifier
CN2691675Y (en) Traditional Chinese medicine leaching out device with increased filtering area
CN202238770U (en) Ultrasonic flowing type cleaning machine
CN110420494A (en) A kind of reversed sewage-treatment plant of return type and processing method
CN205109152U (en) Traditional chinese medicine liquid filter device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190430

Termination date: 20190801

CF01 Termination of patent right due to non-payment of annual fee