CN111022983A - LED underwater lamp toughened glass face guard mounting structure - Google Patents

LED underwater lamp toughened glass face guard mounting structure Download PDF

Info

Publication number
CN111022983A
CN111022983A CN201911344579.2A CN201911344579A CN111022983A CN 111022983 A CN111022983 A CN 111022983A CN 201911344579 A CN201911344579 A CN 201911344579A CN 111022983 A CN111022983 A CN 111022983A
Authority
CN
China
Prior art keywords
stainless steel
ring
toughened glass
waterproof rubber
groove
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.)
Pending
Application number
CN201911344579.2A
Other languages
Chinese (zh)
Inventor
李永勇
吴亚明
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.)
Deqing Oushang Lighting Co ltd
Original Assignee
Deqing Oushang Lighting 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 Deqing Oushang Lighting Co ltd filed Critical Deqing Oushang Lighting Co ltd
Priority to CN201911344579.2A priority Critical patent/CN111022983A/en
Publication of CN111022983A publication Critical patent/CN111022983A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/04Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/005Sealing arrangements therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses an installation structure of an LED underwater lamp toughened glass mask, which comprises a stainless steel lamp shell, a toughened glass mask and a stainless steel decorative ring, wherein the inner wall of the stainless steel lamp shell is provided with a baffle ring, the baffle ring is provided with a lower waterproof rubber ring, the toughened glass mask is pressed on the lower waterproof rubber ring, the toughened glass mask is provided with an upper waterproof rubber ring, the open end of the stainless steel lamp shell is provided with an installation flanging, the installation flanging is internally provided with a plurality of installation grooves, the bottom of each installation groove is provided with a bead hole, the installation grooves are internally provided with slide blocks, regulating block and compression spring are fixed with spacing pearl on the slider, and spacing pearl part exposes outside the pearl hole, and the edge of stainless steel dress circle is equipped with the outsourcing turn-ups, and stainless steel dress circle bottom surface is equipped with interior spacing bulge loop, and the turn-ups's of outsourcing medial surface is equipped with ring groove, and stainless steel dress circle crimping is on the installation turn-ups, and ring groove and spacing pearl card are joined in marriage, and the terminal surface and the last waterproof rubber ring crimping of interior spacing bulge loop are sealed. The invention has simple structure, convenient installation and good sealing and waterproof effects.

Description

LED underwater lamp toughened glass face guard mounting structure
Technical Field
The invention relates to the technical field of LED lamps, in particular to an installation structure of a toughened glass mask of an LED underwater lamp.
Background
The LED underwater lamp is also called an LED underwater lamp and is one of underwater lamps, the simple underwater lamp is a lamp arranged under the water, the appearance is small and exquisite, attractive and elegant, the appearance is almost the same as that of a buried lamp, only a plurality of mounting base plates are arranged, and the base plates are fixed by screws. When the LED underwater lamp is electrified, the LED underwater lamp can emit various colors, is bright and colorful, and is generally arranged in a park or a fountain pool.
The existing LED underwater lamp generally comprises a lamp shell, a toughened glass mask, a stainless steel decorative ring, a waterproof gasket and other structures, wherein the stainless steel decorative ring is fixedly connected with the lamp shell through a bolt or an inner hexagonal screw, so that the toughened glass mask and the waterproof gasket are compressed, and the sealing and waterproof effects are achieved.
For example, the utility model discloses a LED underwater lamp of authorized bulletin number CN209587832U, authorized bulletin day 2019, 11 month 5 days, including underwater lamp main part, underwater lamp main part's the outside is provided with waterproof shell, and waterproof shell's bottom is provided with the support frame, and the bottom of support frame is provided with the installation base, all passes through bolted connection between support frame and installation base and the waterproof shell, and the position department that corresponds the bolt on the support frame is provided with the waterproof groove. The utility model discloses a there is following defect: the stainless steel decorative ring is fixedly connected with the lamp shell through the inner hexagon screws, the inner hexagon screws need to be fastened during installation, operation is inconvenient, and the fastening force for fastening the inner hexagon screws is difficult to keep consistent, so that the waterproof gasket is warped and deformed (uneven), the sealing and waterproof effects are affected, and the service life is prolonged.
Disclosure of Invention
The invention aims to solve the technical problems of the stainless steel decorative ring mounting structure in the prior art, and provides the mounting structure of the toughened glass mask of the LED underwater lamp, which has the advantages of simple structure, convenience in mounting and good sealing and waterproof effects.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to an installation structure of a toughened glass mask of an LED underwater lamp, which comprises a stainless steel lamp shell, the toughened glass mask and a stainless steel decorative ring, wherein the top of the stainless steel lamp shell is open, the inner wall of the stainless steel lamp shell is provided with a baffle ring, the baffle ring is provided with a lower waterproof rubber ring, the toughened glass mask is pressed on the lower waterproof rubber ring, the toughened glass mask is provided with an upper waterproof rubber ring, the end part of the open end of the stainless steel lamp shell extends outwards to form an installation flange, a plurality of installation grooves are arranged in the installation flange at intervals along the circumferential direction, the bottom of each installation groove is provided with a bead hole, a sliding block and an adjusting block are arranged in each installation groove, a compression spring is arranged between each sliding block and the adjusting block, a limiting bead is fixed on each sliding block, the limiting beads partially expose out of the bead hole, the inner wall of each installation groove, close to the, the edge of circle is decorated to stainless steel bends down and forms annular outsourcing turn-ups, and the bottom surface that the circle is located the outsourcing turn-ups is decorated to stainless steel is equipped with annular interior spacing bulge loop, the turn-ups's of outsourcing medial surface is equipped with ring groove, and the circle crimping is decorated to stainless steel is on the installation turn-ups, and the turn-ups's of outsourcing medial surface and the laminating of installation turn-ups, ring groove and spacing pearl card join in marriage, and the laminating of the lateral surface and the stainless steel lamp body inner wall of interior spacing bulge loop, the terminal surface and the last waterproof rubber ring. The invention provides a brand-new installation structure of an LED underwater lamp toughened glass mask, which abandons the traditional bolt or screw fixation and adopts the clamping fit of a limiting bead and an annular clamping groove to realize the fastening of a stainless steel decorative ring and a stainless steel lamp shell, so that the toughened glass mask tightly presses an upper waterproof rubber ring and a lower waterproof rubber ring to achieve double sealing and has good waterproof effect; when the stainless steel decorative ring is used, only the stainless steel decorative ring is pressed downwards, in the process of pressing the stainless steel decorative ring downwards, the limiting beads are extruded by the outer-covering flanging and can retract into the spring sleeve, when the annular clamping groove on the inner side surface of the outer-covering flanging is pressed downwards to the position of the limiting beads, the limiting beads are popped out from the bead holes and clamped into the annular clamping groove, the stainless steel decorative ring cannot be pressed downwards continuously due to the blocking of the mounting flanging to prevent the upper waterproof rubber ring and the lower waterproof rubber ring from being excessively extruded, at the moment, the stainless steel decorative ring and the stainless steel lamp shell are fastened, and the end surface of the inner limiting convex ring and the upper waterproof rubber ring, the upper waterproof rubber ring and the toughened glass mask and the lower waterproof rubber ring are sealed in a compression joint; the compression amount of the spring can be adjusted by rotating the adjusting block, so that the stretching force of the limiting bead is adjusted; the displacement of the stainless steel decorative ring in the radial direction can be prevented through the matching of the outer-wrapping flanging and the inner limiting convex ring, and the displacement of the stainless steel decorative ring in the axial direction can be prevented through the matching of the limiting beads and the annular clamping grooves; the mounting grooves are positioned on the same circumferential surface (namely on the same plane), so that the end surface of the inner limiting convex ring can be uniformly contacted with the upper waterproof rubber ring (namely the pressure on the upper waterproof rubber ring is uniform), the upper waterproof rubber ring is not easy to warp and deform, and the sealing effect is good.
Preferably, the number of the mounting grooves is four, and the four mounting grooves are arranged along the circumferential direction of the mounting flange at intervals.
Preferably, a limiting part is formed on the baffle ring in a protruding mode, an annular limiting groove is formed in a space between the limiting part and the inner wall of the stainless steel lamp housing, and the lower waterproof rubber ring is installed in the annular limiting groove. Lower waterproof rubber ring is installed in annular spacing inslot, and lower waterproof rubber ring receives the pressure back of toughened glass face guard, can outwards not produce deformation and skew, but receives annular spacing inslot and further pastes tight stainless steel lamp body inner wall to be favorable to guaranteeing sealed effect.
Preferably, the lower waterproof rubber ring is an O-shaped ring with a circular cross section.
Preferably, the cross section of the upper waterproof rubber ring is rectangular, the upper end face and the lower end face of the upper waterproof rubber ring are both provided with deformation grooves, and the groove bottoms of the deformation grooves are arc-shaped. The deformation groove can accommodate a deformation part generated when the upper waterproof rubber ring is extruded, so that the upper waterproof rubber ring is prevented from being deformed and damaged due to excessive extrusion; the bottom of the deformation groove is arc-shaped, so that the fracture caused by stress concentration at the bottom of the groove can be avoided.
Preferably, a straight groove is formed in the outer side surface of the adjusting block. Straight screwdriver with straight slot
Therefore, the invention has the following beneficial effects: the utility model provides a brand-new LED underwater lamp toughened glass face guard mounting structure, abandon traditional bolt or screw fixation, the fastening of stainless steel dress trim ring and stainless steel lamp body is realized to the card of adopting spacing pearl and ring groove, thereby make the toughened glass face guard compress tightly waterproof rubber ring and reach double seal down, simple to operate, water-proof effects is good, and can guarantee that the terminal surface of interior spacing bulge loop can the even contact with last waterproof rubber ring (the even unanimity of pressure that waterproof rubber ring received promptly), difficult warp, sealed effectual.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
FIG. 3 is a partial enlarged view of FIG. 2 at B
In the figure: stainless steel lamp body 1, toughened glass face guard 2, stainless steel decorative ring 3, fender ring 4, waterproof rubber ring 5 down, go up waterproof rubber ring 6, installation turn-ups 7, mounting groove 8, pearl hole 9, slider 10, regulating block 11, compression spring 12, spacing pearl 13, outsourcing turn-ups 14, interior spacing bulge loop 15, ring groove 16, spacing portion 17, annular spacing groove 18, deformation groove 19, straight line groove 20.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figure 1, the toughened glass mask mounting structure of the LED underwater lamp comprises a stainless steel lamp shell 1, a toughened glass mask 2 and a stainless steel decorative ring 3, wherein the top of the stainless steel lamp shell is open, a baffle ring 4 is convexly formed on the inner wall of the stainless steel lamp shell, a limiting part 17 (shown in figure 2) is convexly formed on the baffle ring, an annular limiting groove 18 is formed in the space between the limiting part and the inner wall of the stainless steel lamp shell, a lower waterproof rubber ring 5 is placed in the limiting groove, the lower waterproof rubber ring is an O-shaped ring with a circular cross section, the toughened glass mask is pressed on the lower waterproof rubber ring, an upper waterproof rubber ring 6 is placed on the toughened glass mask, the cross section of the upper waterproof rubber ring is rectangular, deformation grooves 19 are respectively formed in the upper end surface and the lower end surface of the upper waterproof rubber ring, the bottom of the deformation grooves is arc-shaped, the end part of the open end of the stainless steel lamp shell extends outwards to form a mounting flange 7, four mounting grooves 8 (shown, the bottom of the mounting groove is provided with a bead hole 9, the mounting groove is internally provided with a slide block 10 and an adjusting block 11, a compression spring 12 is arranged between the slide block and the adjusting block, a limiting bead 13 is fixed on the slide block, the limiting bead is partially exposed out of the bead hole, the inner wall of the mounting groove close to the notch is provided with an internal thread, the outer circumferential surface of the adjusting block is provided with an external thread, the adjusting block is in threaded connection with the mounting groove, the outer side surface of the adjusting block is provided with a straight groove 20, the edge of a stainless steel decorative ring is bent downwards to form an annular outer-covering flange 14, the bottom surface of the stainless steel decorative ring in the outer-covering flange is protruded to form an annular inner limiting convex ring 15, the inner side surface of the outer-covering flange is provided with an annular clamping groove 16, the stainless steel decorative ring is pressed on the mounting flange, the inner side surface of the outer-, the end face of the inner limiting convex ring is in compression joint sealing with the upper waterproof rubber ring.
The installation method of the invention comprises the following steps: the driver and the LED light source are installed in the stainless steel lamp shell (the driver and the LED light source are conventional structures in the field, so that the driver and the LED light source are not shown in the specification and drawings), then the lower waterproof rubber ring is placed in the annular limiting groove, the toughened glass cover is placed on the lower waterproof rubber ring, then the upper waterproof rubber ring is placed on the toughened glass cover, finally the stainless steel decorative ring is placed on the upper waterproof rubber ring, the stainless steel decorative ring is pressed downwards, the limiting beads are clamped into the annular clamping groove, the stainless steel decorative ring and the stainless steel lamp shell are fastened, and at the moment, the end face of the inner limiting convex ring and the upper waterproof rubber ring, the upper waterproof rubber ring and the toughened glass cover and the lower waterproof rubber ring are pressed and connected with each other to achieve sealing, so that the LED lamp shell achieves excellent waterproof effect.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.

Claims (6)

1. A toughened glass mask mounting structure of an LED underwater lamp comprises a stainless steel lamp shell (1), a toughened glass mask (2) and a stainless steel decorative ring (3), and is characterized in that the top of the stainless steel lamp shell is open, a baffle ring (4) is arranged on the inner wall of the stainless steel lamp shell, a lower waterproof rubber ring (5) is arranged on the baffle ring, the toughened glass mask is pressed on the lower waterproof rubber ring, an upper waterproof rubber ring (6) is arranged on the toughened glass mask, the end part of the open end of the stainless steel lamp shell extends outwards to form a mounting flange (7), a plurality of mounting grooves (8) are formed in the mounting flange at intervals along the circumferential direction, bead holes (9) are formed in the bottom of each mounting groove, a sliding block (10) and an adjusting block (11) are arranged in each mounting groove, a compression spring (12) is arranged between each sliding block and each adjusting block, a limiting bead (13) is fixed on, the mounting groove is equipped with the internal thread on being close to the inner wall of notch, the outer periphery of regulating block is equipped with the external screw thread, regulating block and mounting groove threaded connection, stainless steel decorates the edge downwarping of circle and forms annular outsourcing turn-ups (14), and stainless steel decorates the bottom surface that the circle is located the outsourcing turn-ups and is equipped with annular interior spacing bulge loop (15), the turn-ups's of outsourcing medial surface is equipped with ring groove (16), and stainless steel decorates the circle crimping on the installation turn-ups, and the turn-ups's of outsourcing medial surface and the laminating of installation turn-ups, ring groove and spacing pearl card join in marriage, and the lateral surface and the laminating of stainless steel lamp body inner wall of interior.
2. The mounting structure of the toughened glass mask of the LED underwater lamp as claimed in claim 1, wherein the number of the mounting grooves is four, and the four mounting grooves are circumferentially spaced along the mounting flange.
3. The mounting structure of the toughened glass mask of the LED underwater lamp of claim 1, wherein a limiting part (17) is formed on the baffle ring in a protruding manner, an annular limiting groove (18) is formed in a space between the limiting part and the inner wall of the stainless steel lamp housing, and the lower waterproof rubber ring is mounted in the annular limiting groove.
4. The mounting structure of the toughened glass mask of the LED underwater lamp of claim 1, wherein the lower waterproof rubber ring is an O-ring with a circular cross section.
5. The mounting structure of the cover of the toughened glass of the LED underwater lamp of claim 1, wherein the upper waterproof rubber ring has a rectangular cross section, the upper and lower end surfaces of the upper waterproof ring are provided with deformation grooves (19), and the bottom of each deformation groove is arc-shaped.
6. The cover mounting structure for the toughened glass of the LED underwater lamp according to claim 1, wherein the outer side surface of the adjusting block is provided with a straight groove (20).
CN201911344579.2A 2019-12-24 2019-12-24 LED underwater lamp toughened glass face guard mounting structure Pending CN111022983A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911344579.2A CN111022983A (en) 2019-12-24 2019-12-24 LED underwater lamp toughened glass face guard mounting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911344579.2A CN111022983A (en) 2019-12-24 2019-12-24 LED underwater lamp toughened glass face guard mounting structure

Publications (1)

Publication Number Publication Date
CN111022983A true CN111022983A (en) 2020-04-17

Family

ID=70212860

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911344579.2A Pending CN111022983A (en) 2019-12-24 2019-12-24 LED underwater lamp toughened glass face guard mounting structure

Country Status (1)

Country Link
CN (1) CN111022983A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154485A (en) * 2013-05-14 2014-11-19 深圳市海洋王照明工程有限公司 Led waterproof lamp and lamp shell
CN208281932U (en) * 2018-07-04 2018-12-25 福建欧路浦照明电器有限公司 A kind of LED underwater lamp with waterproof construction
CN109099365A (en) * 2018-09-10 2018-12-28 广州高雅电器有限公司 A kind of embedded LED light of anti-dazzle airfield runway
CN208418406U (en) * 2018-07-26 2019-01-22 阳泉市蔚东商贸有限公司 A kind of water-mist-proof device of urban landscape floor-lamp
CN208757912U (en) * 2018-03-31 2019-04-19 李文兵 A kind of landscape projector lamp colorful fountain
CN209042134U (en) * 2019-01-07 2019-06-28 广东雅的亮彩灯饰有限公司 A kind of LED underwater lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154485A (en) * 2013-05-14 2014-11-19 深圳市海洋王照明工程有限公司 Led waterproof lamp and lamp shell
CN208757912U (en) * 2018-03-31 2019-04-19 李文兵 A kind of landscape projector lamp colorful fountain
CN208281932U (en) * 2018-07-04 2018-12-25 福建欧路浦照明电器有限公司 A kind of LED underwater lamp with waterproof construction
CN208418406U (en) * 2018-07-26 2019-01-22 阳泉市蔚东商贸有限公司 A kind of water-mist-proof device of urban landscape floor-lamp
CN109099365A (en) * 2018-09-10 2018-12-28 广州高雅电器有限公司 A kind of embedded LED light of anti-dazzle airfield runway
CN209042134U (en) * 2019-01-07 2019-06-28 广东雅的亮彩灯饰有限公司 A kind of LED underwater lamp

Similar Documents

Publication Publication Date Title
CN111022983A (en) LED underwater lamp toughened glass face guard mounting structure
US7708420B2 (en) Light fixture
CN210707249U (en) Fastener for fixing vehicle guard plate
CN209909637U (en) Changeable rolling type line lamp
CN201434357Y (en) Novel tri-proof light bracket
CN220506596U (en) Waterproof ceiling lamp
CN217635542U (en) Lampshade waterproof structure and indicator lamp
CN206072895U (en) Water proof type LED illumination lamp
CN219883762U (en) Structure for weakening gap sense between lamp and cabin cover
CN212841022U (en) Just, dress formula exempts from LED lamp that punches
CN204629423U (en) A kind of outdoor lighting lamp
CN217575079U (en) Magnetic adsorption type automobile lamp covering plate
CN213420998U (en) Sealing fastener
CN216244131U (en) Lamp capable of upwards pulling out lamp holder to replace lamp bead
CN210511246U (en) Ceiling lamp dress trim ring mounting structure
CN219222254U (en) Ceiling lamp
CN216591250U (en) Prevent trampling effectual novel intelligent LED and bury lamp
CN204459974U (en) A lamp decoration built-up member for assembling lamp decoration
CN215721673U (en) Cladding formula area is pressed and is sealed fixture
CN220338411U (en) Waterproof structure and lamp
CN213089664U (en) Frameless panel lamp
CN219912849U (en) Detachable LED lamp panel structure
CN218820079U (en) Dull and stereotyped lamp of ceiling type LED
CN220038284U (en) Lamp set
CN211780851U (en) Waterproof automobile rearview mirror projection lamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200417

RJ01 Rejection of invention patent application after publication