CN216090015U - Pull rope type electric mosquito-proof partition curtain - Google Patents

Pull rope type electric mosquito-proof partition curtain Download PDF

Info

Publication number
CN216090015U
CN216090015U CN202122230887.1U CN202122230887U CN216090015U CN 216090015 U CN216090015 U CN 216090015U CN 202122230887 U CN202122230887 U CN 202122230887U CN 216090015 U CN216090015 U CN 216090015U
Authority
CN
China
Prior art keywords
curtain
rail
pull rope
groove
end cover
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
CN202122230887.1U
Other languages
Chinese (zh)
Inventor
张闳嘉
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.)
Guangzhou Tianshengan Intelligent Manufacturing Co ltd
Original Assignee
Guangzhou Tianshengan Intelligent Manufacturing 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 Guangzhou Tianshengan Intelligent Manufacturing Co ltd filed Critical Guangzhou Tianshengan Intelligent Manufacturing Co ltd
Priority to CN202122230887.1U priority Critical patent/CN216090015U/en
Application granted granted Critical
Publication of CN216090015U publication Critical patent/CN216090015U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The utility model provides a pull rope type electric mosquito-proof partition curtain, which comprises a rail, a main end cover, an auxiliary end cover, a moving bead, a pull rope and a curtain body, wherein the rail is fixed on the main end cover; the rail comprises two bent rails and a straight rail, the bent rails are bent into an L shape, one ends of the two bent rails are oppositely arranged and integrally spliced into a U shape, and the straight rail is spliced between the other ends of the two bent rails; the straight rail and the two curved rails are respectively connected with a plurality of beads in a sliding manner, and the curtain body is hung below the rails through the beads; wherein, the middle part of the curtain body is hung below the straight rail, and the two sides of the curtain body are respectively hung below the two curved rails. The utility model can be used as a curtain and a mosquito net at the same time, and a user can obtain the functions of using two products by using one product, and the occupation of space can be reduced. Meanwhile, the utility model utilizes a pull rope type transmission mode and the balancing weight near the end part of the pull rope, so that the curtain body moves more smoothly, and the structure is more light and flexible.

Description

Pull rope type electric mosquito-proof partition curtain
Technical Field
The utility model relates to the field of curtain separation equipment, in particular to a pull rope type electric mosquito-proof curtain.
Background
The mosquito net used in the hospital bed at present is temporarily inserted with a plurality of brackets on the hospital bed and then hung. The mosquito net hung by the method occupies space and is not beautiful, so the mosquito net is hung by a maintainer at night and is collected by the maintainer in the early morning. This increases the hospital workload and the storage of the mosquito nets and the racks is also a problem. Because of the problem, many hospitals do not prepare mosquito nets, but adopt the method of air-conditioning low temperature or mosquito killing tablets to avoid mosquito bites.
The currently used sickbed separating curtain only surrounds three sides of a sickbed, the lower hem is suspended in the air, and the side surface is provided with air holes, so that the sickbed separating curtain does not have the mosquito prevention function.
In conclusion, the mosquito net products in the current market occupy larger space, which affects the use of the mosquito net products in hospitals and nursing institutions, and the current medical curtain products can only protect the privacy of patients and do not have the function of preventing mosquitoes. Therefore, it is necessary to develop a dual-purpose apparatus which can be used as a curtain and a mosquito net at the same time.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a pull-cord type electric mosquito-proof partition curtain, which combines a partition curtain and a mosquito net in a lifting manner, so that a user can use one product to obtain the function of using two products, and the space occupation can be reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a pull rope type electric mosquito-proof partition curtain comprises a rail, a main end cover, an auxiliary end cover, a moving bead, a pull rope and a curtain body;
the rail comprises two bent rails and a straight rail, the bent rails are bent into an L shape, one ends of the two bent rails are oppositely arranged and integrally spliced into a U shape, and the straight rail is spliced between the other ends of the two bent rails; the straight rail and the two curved rails are respectively connected with a plurality of beads in a sliding manner, and the curtain body is hung below the rails through the beads; wherein, the middle part of the curtain body is hung below the straight rail, and the two sides of the curtain body are respectively hung below the two curved rails;
one end of each of the two bent rails, which is arranged oppositely, is fixedly connected with a secondary end cover, and the other end of each of the two bent rails and the splicing part of the straight rail are fixedly connected with a primary end cover; a driving motor is fixedly connected below the main end cover, the main end cover is provided with a wire winding wheel, and an output shaft of the driving motor extends into the main end cover and is fixedly connected with the wire winding wheel; a driven wheel is rotationally connected in the auxiliary end cover;
a pull rope is arranged in each of the two bent rails and is connected between the wire winding wheel and the driven wheel at the two ends of the bent rail in a transmission way; in the two curved rails, two beads connected to the tail end of the curtain body are respectively and fixedly connected to the two pull ropes.
Further, the curtain body comprises a mosquito net, a separation curtain and a plastic net which are sequentially spliced from top to bottom; the lower end of the mosquito net is connected with the upper end of the separation curtain in a sewing way, and the lower end of the separation curtain is detachably connected with the upper end of the plastic net through a zipper.
Furthermore, magnetic strips extending along the vertical direction are respectively arranged at two ends of the curtain body.
Furthermore, in the main end cover and the auxiliary end cover at the two ends of the bent rail, the two ends of the pull rope are respectively wound on the wire winding wheel, and the middle part of the pull rope penetrates through the bent rail and is sleeved on the driven wheel.
Furthermore, a partition board is arranged in the middle of the wire winding wheel and divides the wire winding wheel into an upper section and a lower section which are independent from each other; two ends of the pull rope are respectively wound on the upper section winding wheel and the lower section winding wheel.
Furthermore, a balancing weight is respectively hung and connected near two ends of the pull rope, and the balancing weight is positioned on the pull rope between the winding wheel and the bent rail.
Furthermore, two sides of the upper end of the balancing weight are respectively provided with an ear seat protruding upwards, and a connecting column is bridged between the two ear seats; the pull rope penetrates through the lower part of the connecting column, so that the balancing weight is hung on the pull rope.
Furthermore, through holes are respectively formed in the bottom surface of the main end cover corresponding to the two balancing weights; a vertically extending accommodating groove is respectively arranged below the main end cover corresponding to the two through holes; the outlines of the through hole and the accommodating groove are matched with the balancing weight, and the balancing weight penetrates through the through hole and extends into the accommodating groove.
Furthermore, the straight rail and the curved rail have the same cross section shape and comprise a guide rail groove, a wire passing groove and an inserting groove which are integrally connected; the sections of the insertion groove and the wire passing groove are closed rectangles, and the section of the guide rail groove is a rectangle with an opening at the top of one side; the guide rail groove and the wire passing groove are positioned above the insertion groove, wherein the guide rail groove is positioned on the outer side of the track, the wire passing groove is positioned on the inner side of the track, and an opening is formed in the upper part of the outer side surface of the guide rail groove;
the upper end of the inner side of the track is connected with an upper horizontally extending eave, and the lower end of the outer side of the track is connected with a lower horizontally extending eave;
the ball is connected in the guide rail groove in a sliding manner, one side of the pull rope penetrates through the guide rail groove, and the other side of the pull rope penetrates through the wire passing groove;
the bead is provided with a hook, the hook extends out of the opening of the guide rail groove to the upper part of the lower eave, and the curtain body is hung on the hook of the bead; the lower brim of the track is abutted against the inner side of the upper part of the curtain body.
Furthermore, the main end cover is provided with a main supporting rod and a side supporting rod which extend transversely, the main supporting rod and the side supporting rod are perpendicular to each other, and the cross sections of the main supporting rod and the side supporting rod are matched with the insertion grooves;
at the joint of the ends of the curved rail and the straight rail, a main support rod on the main end cover is inserted into the insertion groove connected with the curved rail, and a side support rod is inserted into the insertion groove connected with the straight rail.
The utility model can be used as a curtain and a mosquito net at the same time, and a user can obtain the functions of using two products by using one product, and the occupation of space can be reduced. Meanwhile, the utility model utilizes a pull rope type transmission mode and the balancing weight near the end part of the pull rope, so that the curtain body moves more smoothly, and the structure is more light and flexible. The mosquito-repellent incense has excellent performance, can prevent mosquitoes and protect privacy, and is widely suitable for places such as hospitals and nursing homes.
Drawings
Fig. 1 is a schematic structural view of a pull-cord type electric mosquito-proof partition curtain provided by an embodiment of the present invention in a closed state.
Fig. 2 is a schematic structural view of a pull-cord type electric mosquito-proof partition curtain provided by the embodiment of the utility model in an opened state.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is an enlarged view of the structure of the portion B in fig. 2.
Fig. 5 is an enlarged view of the structure in the vicinity of the main end cap in the embodiment of the present invention.
Fig. 6 is a cross-sectional structural view of a rail in an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the pull-rope type electric mosquito-proof partition curtain provided by the embodiment of the utility model comprises a rail, a main end cover 4, an auxiliary end cover 5, a bead 6, a pull rope and a curtain body 1.
The track comprises two curved rails 22 and a straight rail 21, the curved rails 22 are bent into an L shape, one ends of the two curved rails 22 are arranged oppositely, the whole track is spliced into a U shape, and the straight rail 21 is spliced between the other ends of the two curved rails 22; the straight rail 21 and the two curved rails 22 are respectively connected with a plurality of beads 6 in a sliding manner, and the curtain body 1 is hung below the rails through the beads 6; wherein, the middle part of the curtain body 1 is hung below the straight rail 21, and two sides of the curtain body 1 are respectively hung below the two curved rails 22;
one end of each of the two bent rails 22, which is arranged oppositely, is fixedly connected with a secondary end cover 5, and the splicing part of the other end of each of the two bent rails 22 and the straight rail 21 is fixedly connected with a main end cover 4; a driving motor 3 is fixedly connected below the main end cover 4, the main end cover 4 is provided with a wire winding wheel 7, and an output shaft of the driving motor 3 extends into the main end cover 4 and is fixedly connected with the wire winding wheel 7; a driven wheel 8 is rotationally connected in the auxiliary end cover 5;
a pull rope is respectively arranged in the two bent rails 22 and is connected between the wire winding wheel 7 and the driven wheel 8 at the two ends of the bent rail 22 in a transmission way; in the two curved rails 22, two beads 6 connected to the end of the curtain body 1 are fixedly connected to two pull cords, respectively.
Through above structure, this embodiment drives the rotation of kinking wheel 7 through the rotation of driving motor 3, and then utilizes the stay cord to make and walk pearl 6 and remove in the track for hang and expand or pack up at the curtain body 1 of walking pearl 6 below, realize opening or closing operation of mosquito-proof partition curtain.
In the embodiment, the curtain body 1 comprises a mosquito net 11, a separation curtain 12 and a plastic net 13 which are sequentially spliced from top to bottom; the lower end of the mosquito net 11 is connected with the upper end of the curtain 12 in a sewing way, and the lower end of the curtain 12 is detachably connected with the upper end of the plastic net 13 through a zipper. Wherein, the mosquito net 11 part provides the ventilative effect when preventing mosquito, separates the curtain 12 part and plays the effect of keeping apart the sheltering from when preventing mosquito. The plastic net 13 at the lower end of the curtain body 1 can play a role of preventing pollution when contacting with the ground, the detachable structure enables the plastic net 13 to be convenient to replace and clean, and the sustainable usability of the curtain body 1 is improved.
Furthermore, magnetic strips extending along the vertical direction are respectively arranged at two ends of the curtain body 1. The magnetic strip can play a role in closing the curtain body 1, so that a closed space is formed inside the curtain body 1; meanwhile, a certain weight can be provided, so that the curtain body 1 can droop and is not easy to blow open.
Further, in the main end cap 4 and the auxiliary end cap 5 at both ends of the curved rail 22, both ends of the pull rope are respectively wound on the winding wheel 7, and the middle part of the pull rope passes through the curved rail 22 and is sleeved on the driven wheel 8.
As an improvement, a partition board is arranged in the middle of the winding wheel 7, and the winding wheel 7 is divided into an upper section and a lower section which are independent from each other by the partition board; two ends of the pull rope are respectively wound on the upper and lower section winding wheels 7. The two ends of the stay cord wound on the wire winding wheel 7 are separated, so that the mutual winding of the wire ends at the two ends can be effectively avoided, and the situation that the stay cord is not smoothly wound and unwound is prevented.
Because the pull rope has two ends which are fed in and out, when the wire winding wheel 7 rotates and is wound at one end, the other end is often too loose in the process of being discharged, and the smooth operation of the mechanism is prevented. In order to solve the problem, the utility model respectively hangs and connects a balancing weight 9 near the two ends of the pulling rope, and the balancing weight 9 is positioned on the pulling rope between the wire winding wheel 7 and the curved rail 22. When the pull rope is loose, the loose pull rope is tensioned by the weight of the balancing weight 9 so as to ensure the smooth operation of the mechanism.
Furthermore, two sides of the upper end of the counterweight block 9 are respectively provided with an ear seat protruding upwards, and a connecting column is bridged between the two ear seats; the pull rope penetrates through the lower part of the connecting column, so that the balancing weight 9 is hung on the pull rope.
Furthermore, through holes are respectively formed in the bottom surface of the main end cover 4 corresponding to the two balancing weights 9; a vertically extending accommodating groove 90 is respectively arranged below the main end cover 4 corresponding to the two through holes; the outlines of the through hole and the accommodating groove 90 are matched with the balancing weight 9, and the balancing weight 9 penetrates through the through hole and extends into the accommodating groove 90.
On one hand, the accommodating groove 90 can play a role in limiting and guiding, so that the position of the balancing weight 9 in the horizontal direction is fixed, and the balancing weight can only move up and down along the vertical direction limited by the accommodating groove 90; on the other hand, the counterweight 9 can provide space when falling off accidentally, and the counterweight 9 is prevented from directly falling down.
Further, the straight rail 21 and the curved rail 22 have the same cross-sectional shape, and include a guide rail groove 23, a wire passing groove 24 and an insertion groove 25 which are integrally connected; the sections of the insertion groove 25 and the wire passing groove 24 are closed rectangles, and the section of the guide rail groove 23 is a rectangle with an opening at the top of one side; the guide rail groove 23 and the wire passing groove 24 are positioned above the insertion groove 25, wherein the guide rail groove 23 is positioned on the outer side of the rail, the wire passing groove 24 is positioned on the inner side of the rail, and an opening is formed in the upper part of the outer side surface of the guide rail groove 23;
the upper end of the inner side of the track is connected with an upper horizontally extending eave 26, and the lower end of the outer side of the track is connected with a lower horizontally extending eave 27; the upper eave 26 is provided with a fixing hole, and the rail passes through the fixing hole on the upper eave 26 through a screw and is fixedly connected to the ceiling.
The ball 6 is connected in the guide rail groove 23 in a sliding way, one side of the pull rope is penetrated through the guide rail groove 23, and the other side of the pull rope is penetrated through the wire passing groove 24;
the bead 6 is provided with a hook which extends out of the opening of the guide rail groove 23 to the upper part of the lower eave 27, and the curtain body 1 is hung on the hook of the bead 6; the lower eaves 27 of the track abuts against the inner side of the upper part of the curtain body 1. The lower eaves 27 are tightly attached to the inner side surface of the upper portion of the curtain body 1 after the side surface of the curtain body 1 is closed, so as to prevent gaps from being generated, prevent mosquitoes from entering the inner space of the curtain body 1, and enable the curtain body 1 and the track to be integrated.
Furthermore, the main end cover 4 is provided with a main supporting rod 41 and a side supporting rod 42 which extend transversely, the main supporting rod 41 and the side supporting rod 42 are perpendicular to each other, and the cross-sectional shapes of the main supporting rod 41 and the side supporting rod 42 are matched with the plug-in connection groove 25;
at the connection between the ends of the curved rail 22 and the straight rail 21, the main support rod 41 of the main end cap 4 is inserted into the insertion groove 25 connected to the curved rail 22, and the side support rod 42 is inserted into the insertion groove 25 connected to the straight rail 21.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A pull rope type electric mosquito-proof partition curtain is characterized by comprising a track, a main end cover, an auxiliary end cover, a moving bead, a pull rope and a curtain body;
the rail comprises two bent rails and a straight rail, the bent rails are bent into an L shape, one ends of the two bent rails are oppositely arranged and integrally spliced into a U shape, and the straight rail is spliced between the other ends of the two bent rails; the straight rail and the two curved rails are respectively connected with a plurality of beads in a sliding manner, and the curtain body is hung below the rails through the beads; wherein, the middle part of the curtain body is hung below the straight rail, and the two sides of the curtain body are respectively hung below the two curved rails;
one end of each of the two bent rails, which is arranged oppositely, is fixedly connected with a secondary end cover, and the other end of each of the two bent rails and the splicing part of the straight rail are fixedly connected with a primary end cover; a driving motor is fixedly connected below the main end cover, the main end cover is provided with a wire winding wheel, and an output shaft of the driving motor extends into the main end cover and is fixedly connected with the wire winding wheel; a driven wheel is rotationally connected in the auxiliary end cover;
a pull rope is arranged in each of the two bent rails and is connected between the wire winding wheel and the driven wheel at the two ends of the bent rail in a transmission way; in the two curved rails, two beads connected to the tail end of the curtain body are respectively and fixedly connected to the two pull ropes.
2. The pull-rope type electric mosquito-proof partition curtain according to claim 1, wherein the curtain body comprises a mosquito net, a partition curtain and a plastic net which are sequentially spliced from top to bottom; the lower end of the mosquito net is connected with the upper end of the separation curtain in a sewing way, and the lower end of the separation curtain is detachably connected with the upper end of the plastic net through a zipper.
3. The stay cord type electric mosquito-proof curtain according to claim 1, wherein the two ends of the curtain body are respectively provided with a magnetic strip extending along the vertical direction.
4. The pull-rope type electric mosquito-proof partition curtain according to claim 1, wherein in the main end cover and the auxiliary end cover at the two ends of the curved rail, the two ends of the pull rope are respectively wound on the wire winding wheel, and the middle part of the pull rope passes through the curved rail and is sleeved on the driven wheel.
5. The pull-rope type electric mosquito-proof partition curtain according to claim 4, wherein a partition board is arranged in the middle of the wire-winding wheel, and the partition board divides the wire-winding wheel into an upper section and a lower section which are independent of each other; two ends of the pull rope are respectively wound on the upper section winding wheel and the lower section winding wheel.
6. The pull-rope electric mosquito-proof partition curtain according to claim 1, wherein a weight block is hung and connected near both ends of the pull rope, respectively, and the weight block is positioned on the pull rope between the winding wheel and the curved rail.
7. The pull-rope electric mosquito-proof screen according to claim 6, wherein both sides of the upper end of the counter weight block are respectively provided with an upward-protruding ear seat, and a connecting column is bridged between the two ear seats; the pull rope penetrates through the lower part of the connecting column, so that the balancing weight is hung on the pull rope.
8. The pull-rope type electric mosquito-proof screen according to claim 7, wherein the bottom surface of the main end cover is provided with through holes corresponding to the two balancing weights respectively; a vertically extending accommodating groove is respectively arranged below the main end cover corresponding to the two through holes; the outlines of the through hole and the accommodating groove are matched with the balancing weight, and the balancing weight penetrates through the through hole and extends into the accommodating groove.
9. The pull rope type electric mosquito-proof separating curtain as claimed in claim 1, wherein the straight rail and the curved rail have the same cross-sectional shape, and comprise a guide rail groove, a thread passing groove and an inserting groove which are integrally connected; the sections of the insertion groove and the wire passing groove are closed rectangles, and the section of the guide rail groove is a rectangle with an opening at the top of one side; the guide rail groove and the wire passing groove are positioned above the insertion groove, wherein the guide rail groove is positioned on the outer side of the track, the wire passing groove is positioned on the inner side of the track, and an opening is formed in the upper part of the outer side surface of the guide rail groove;
the upper end of the inner side of the track is connected with an upper horizontally extending eave, and the lower end of the outer side of the track is connected with a lower horizontally extending eave;
the ball is connected in the guide rail groove in a sliding manner, one side of the pull rope penetrates through the guide rail groove, and the other side of the pull rope penetrates through the wire passing groove;
the bead is provided with a hook, the hook extends out of the opening of the guide rail groove to the upper part of the lower eave, and the curtain body is hung on the hook of the bead; the lower brim of the track is abutted against the inner side of the upper part of the curtain body.
10. The stay cord type electric mosquito-proof screen according to claim 9, characterized in that the main end cap is provided with a main supporting rod and a side supporting rod which extend transversely, the main supporting rod and the side supporting rod are perpendicular to each other, and the cross-sectional shapes of the main supporting rod and the side supporting rod are matched with the inserting groove;
at the joint of the ends of the curved rail and the straight rail, a main support rod on the main end cover is inserted into the insertion groove connected with the curved rail, and a side support rod is inserted into the insertion groove connected with the straight rail.
CN202122230887.1U 2021-09-15 2021-09-15 Pull rope type electric mosquito-proof partition curtain Expired - Fee Related CN216090015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122230887.1U CN216090015U (en) 2021-09-15 2021-09-15 Pull rope type electric mosquito-proof partition curtain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122230887.1U CN216090015U (en) 2021-09-15 2021-09-15 Pull rope type electric mosquito-proof partition curtain

Publications (1)

Publication Number Publication Date
CN216090015U true CN216090015U (en) 2022-03-22

Family

ID=80733585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122230887.1U Expired - Fee Related CN216090015U (en) 2021-09-15 2021-09-15 Pull rope type electric mosquito-proof partition curtain

Country Status (1)

Country Link
CN (1) CN216090015U (en)

Similar Documents

Publication Publication Date Title
CA2785483C (en) Actuating wand for manually actuating a driving shaft
US20030066132A1 (en) Bed timer
US8967226B2 (en) Architectural cover operating assembly
JP6215778B2 (en) mosquito net
WO2012149012A1 (en) Cordless coverings for architectural opening having cord enclosures with a swivel feature and methods of assembling such cord enclosures
CN216090015U (en) Pull rope type electric mosquito-proof partition curtain
CN215292282U (en) Multi-track curtain device, day and night curtain device and electric curtain
CN105156005B (en) shading device
CN202161702U (en) Straight falling type rescuing bag
US3593772A (en) Draw curtain apparatus
CN210962781U (en) Movable sickbed isolation cover
CN217852350U (en) Pull rope type electric mosquito-proof partition curtain
JP2006187580A (en) Method for hanging hung tension body such as net, and device thereof
CN207499491U (en) A kind of novel curtain wall construction protective device
CN109770620A (en) A kind of mosquito net killed mosquitoes
CN216293575U (en) Intelligent adjustment bed surrounding system beneficial to sleep
CN214909509U (en) Electric lifting medical dual-purpose system for separating curtain and mosquito net
CN214902989U (en) Suspended feeding device
WO2022116360A1 (en) Multi-track curtain device, driving method and electric curtain
CN214243377U (en) Multifunctional medical elevator
JP3853298B2 (en) Blind operating device
CN209965853U (en) Multifunctional medical cradle for newborn
CN114027693A (en) Intelligent electric curtain based on intelligent home
CN111990821A (en) Lifting nursing bed
CN214786885U (en) Safe, attractive and practical lifting window

Legal Events

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

Granted publication date: 20220322