CN103373035A - Compressing tool for panel assemblies of household appliances - Google Patents

Compressing tool for panel assemblies of household appliances Download PDF

Info

Publication number
CN103373035A
CN103373035A CN2012101267222A CN201210126722A CN103373035A CN 103373035 A CN103373035 A CN 103373035A CN 2012101267222 A CN2012101267222 A CN 2012101267222A CN 201210126722 A CN201210126722 A CN 201210126722A CN 103373035 A CN103373035 A CN 103373035A
Authority
CN
China
Prior art keywords
patrix
guide pillar
counterdie
panel assembly
die
Prior art date
Application number
CN2012101267222A
Other languages
Chinese (zh)
Other versions
CN103373035B (en
Inventor
万斌
Original Assignee
珠海格力电器股份有限公司
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 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to CN201210126722.2A priority Critical patent/CN103373035B/en
Publication of CN103373035A publication Critical patent/CN103373035A/en
Application granted granted Critical
Publication of CN103373035B publication Critical patent/CN103373035B/en

Links

Abstract

The invention discloses a compressing tool for panel assemblies of household appliances, which comprises a rack, a first press fit die, a second press fit die, a first guide pillar and a driving mechanism, wherein the first press fit die, the second press fit die, the first guide pillar and the driving mechanism are arranged on the rack, the first press fit die and the second press fit die are arranged in an up-and-down mode; the first press fit die comprises a first upper die, a first lower die and a second guide pillar, the bottom surface of the first upper die is a press fit surface, the first upper die is connected with the driving mechanism, and the top surface of the first lower die is a bearing surface; the second press fit die comprises a second upper die and a second lower die, the bottom surface of the second upper die is a press fit surface, the second upper die is linked with the first lower die, the top surface of the second lower die is a bearing surface, and the second lower die is fixed on the rack. Through the compressing tool for the panel assemblies of the household appliances, provided by the invention, a situation that a panel is completely adhered to a substrate can be ensured, so that the problems that the operation of press fit is not in place and gaps are large can be solved, and the quality of products is improved; an effect of compressing two panels once can be achieved, so that the production efficiency is improved.

Description

Home electronic panel assembly compression tooling

Technical field

The present invention relates to the frock for the manufacture of household electrical appliance, particularly relate to a kind of home electronic panel assembly compression tooling.

Background technology

Panel assembly is the most directly perceived, the parts that best embody brand image of the household electrical appliance such as air-conditioner, and it generally is comprised of substrate and the panel that sticks on substrate surface.The production technology of existing panel assembly is: first in the rubberizing of the back side of panel, adopt manual type and substrate pressing again.Existing compression mode panel often occurs and the substrate pressing is not in place, the problem that the gap is large, and it is attractive in appearance directly to affect product, infringement company brand image; In addition, once can only compress a panel assembly, production efficiency is low.

Summary of the invention

For above-mentioned prior art present situation, technical problem to be solved by this invention is, a kind of home electronic panel assembly compression tooling is provided, and it can improve production efficiency and the quality of panel assembly.

The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of home electronic panel assembly compression tooling, it comprises frame, and be located at the first pressing mold on the described frame, the second pressing mold, the first guide pillar and driving mechanism, described the first pressing mold and described the second pressing mold are setting up and down, and be located by connecting together through described the first guide pillar, described the first pressing mold comprises the first patrix, the first counterdie and be arranged on described the first patrix and described the first counterdie between the second guide pillar, the stitching surface that the bottom surface of described the first patrix is complementary for the panel surface with described panel assembly, and described the first patrix is connected with described driving mechanism, the support face that the end face of described the first counterdie is complementary for the substrate surface with described panel assembly; Described the second pressing mold comprises the second patrix and the second counterdie, the stitching surface that the bottom surface of described the second patrix is complementary for the panel surface with described panel assembly, and described the second patrix and the interlock of described the first counterdie, the support face that the end face of described the second counterdie is complementary for the substrate surface with described panel assembly, and described the second counterdie is fixed on the described frame.

Among embodiment, described the first patrix comprises die holder and is fixed on the pressing mold of described die holder bottom surface that described pressing mold is made by polyurethane material therein.

Among embodiment, described the second patrix adopts polyurethane material to make, and described the second patrix is fixed on the bottom surface of described the first counterdie therein.

Therein among embodiment, be provided with the dodge groove corresponding with the buckle on the described substrate at the support face of described the first counterdie and described the second counterdie.

Among embodiment, the stitching surface of described the first patrix and described the second patrix is cambered surface therein, and the support face of described the first counterdie and described the second counterdie also is cambered surface.

Therein among embodiment, described home electronic panel assembly compression tooling also comprises the pressing plate that is arranged between described the first patrix and the described driving mechanism, described pressing plate is sleeved on described the first guide pillar, be fixed with at least two the 3rd guide pillars that be arranged in parallel with described the first guide pillar at described the first patrix, be provided with the guide pillar hole corresponding with described the 3rd guide pillar at described pressing plate, described the 3rd guide pillar passes the guide pillar hole on the described pressing plate, and described the 3rd guide pillar between described the first patrix and described pressing plate is set with spring.

Therein among embodiment, described driving mechanism comprises cylinder and the 4th guide pillar, the piston rod of described cylinder stretches out straight down with described pressing plate and is connected, described the 4th guide pillar and described the first guide pillar be arranged in parallel, described the 4th guide pillar one end is fixed on the described pressing plate, and the other end passes the guide pillar hole on the described frame.

Among embodiment, the piston rod of described cylinder is connected with described pressing plate by floating junction therein.

Among embodiment, be provided with castor in the bottom of described frame therein.

Therein among embodiment, described home electronic panel assembly compression tooling also comprises guard, safe grating and electric cabinet, described guard and described safe grating be arranged on described the first pressing mold and described the second pressing mold around, described safe grating is electrically connected with described electric cabinet, and described electric cabinet is electrically connected with magnetic valve on the described cylinder gas circuit.

Compared with prior art, by home electronic panel assembly compression tooling provided by the present invention, can guarantee that panel and substrate fit fully, avoid pressing not in place, the problem that the gap is large has improved product quality; And, can realize once pressing two panel assemblies, improved production efficiency.

Description of drawings

Fig. 1 is the main TV structure schematic diagram of the home electronic panel assembly compression tooling among one of them embodiment of the present invention;

Fig. 2 is the cutaway view along A-A line among Fig. 1;

Fig. 3 is the perspective view (removing guard) of home electronic panel assembly compression tooling shown in Figure 1;

Fig. 4 is pressing plate and the first patrix installation diagram of home electronic panel assembly compression tooling shown in Figure 1;

Fig. 5 is the side view of Fig. 4;

Fig. 6 is the first counterdie of home electronic panel assembly compression tooling shown in Figure 1 and the installation diagram of the second patrix;

Fig. 7 is the side view of Fig. 6;

Fig. 8 is the top view of the second counterdie of home electronic panel assembly compression tooling shown in Figure 1;

Fig. 9 is the side view of Fig. 8.

More than among each figure, 1-frame, 1a-cuboid framework, 1b-mounting platform, the 2-guard, 3-castor, 4-cylinder, 5-floating junction, the 6-electric cabinet, 7-pressing plate, 8-the first patrix, 8a-die holder, the 8b-pressing mold, 9-the first counterdie, 9a-dodges groove, 10-the second patrix, 11-the second counterdie, 11a-dodges groove, 12-the first guide pillar, 13-the second guide pillar, 14-the 3rd guide pillar, 15-spring, 16-the 4th guide pillar, 17-panel assembly.

The specific embodiment

Also the present invention is described in detail in conjunction with the embodiments below with reference to accompanying drawing.Need to prove, in the situation of not conflicting, below feature among each embodiment and the embodiment can mutually make up.

Referring to Fig. 1, Fig. 2 and Fig. 3, home electronic panel assembly compression tooling among one of them embodiment of the present invention is used for the pressing of air-conditioner indoor unit panel assembly, it comprises frame 1, the first pressing mold, the second pressing mold, the first guide pillar 12 and driving mechanism, wherein, the described frame 1 of present embodiment comprises cuboid framework 1a and the mounting platform 1b that is arranged on cuboid framework 1a middle part.

In described the first pressing mold and described the second pressing mold cuboid framework 1a on mounting platform 1b setting up and down, and be located by connecting together through four the first guide pillars 12.Described the first pressing mold comprise the first patrix 8, the first counterdie 9 and be arranged on described the first patrix 8 and described the first counterdie 9 between four the second guide pillars 13, the stitching surface that the bottom surface of described the first patrix 8 is complementary for the panel surface with described air-conditioner indoor unit panel assembly 17, and described the first patrix 8 is connected with described driving mechanism.The support face that the end face of described the first counterdie 9 is complementary for the substrate surface with described air-conditioner indoor unit panel assembly 17 is used for placing air-conditioner indoor unit panel assembly 17.Described the second pressing mold comprises the second patrix 10 and the second counterdie 11, the stitching surface that the bottom surface of described the second patrix 10 is complementary for the panel surface with described air-conditioner indoor unit panel assembly 17, and described the second patrix 10 and 9 interlocks of described the first counterdie, the support face that the end face of described the second counterdie 11 is complementary for the substrate surface with described air-conditioner indoor unit panel assembly 17 is used for placing air-conditioner indoor unit panel assembly 17.Described the second counterdie 11 is fixed on the mounting platform 1b of described frame 1, with adjustable locating piece location.

During work, two air-conditioner indoor unit panel assemblies 17 are placed on respectively on the support face of described the first counterdie 9 and described the second counterdie 11, open starting switch, driving mechanism drives the first patrix 8 and moves down along the first guide pillar 12, simultaneously, drive the first counterdie 9 and the second patrix 10 moves downward along the first guide pillar 12 together, when the second patrix 10 contacts with the second counterdie 11, the first counterdie 9 and 10 stop motions of the second patrix, and the first patrix 8 continues to move downward, when the first patrix 8 contacts with the first counterdie 9, driving mechanism is exerted pressure simultaneously to the first pressing mold and the second pressing mold, thereby respectively two air-conditioner indoor unit panel assemblies 17 is pressed together.After pressing finished, driving mechanism drove the first patrix 8 and moves upward, and the first patrix 8 drives the first counterdie 9 and the second patrix 10 moves upward together, thereby the first pressing mold and the second pressing mold are separated.

This shows, by the home electronic panel assembly compression tooling that the embodiment of the invention provides, can guarantee that panel and substrate fit fully, avoid pressing not in place, the problem that the gap is large has improved product quality; And, can realize once pressing two panel assemblies, improved production efficiency.

Preferably, referring to Fig. 4 and Fig. 5, described the first patrix 8 comprises die holder 8a and is fixed on the pressing mold 8b of described die holder 8a bottom surface that described pressing mold 8b preferably adopts polyurethane material to make, and can avoid damaging panel in the pressing process.The stitching surface of the first patrix 8 (being the bottom surface of pressing mold 8b) is cambered surface.

Preferably, compression tooling also comprises the pressing plate 7 that is arranged between described the first patrix 8 and the described driving mechanism, described pressing plate 7 is sleeved on described the first guide pillar 12, be fixed with at least two the 3rd guide pillars 14 that be arranged in parallel with described the first guide pillar 12 at described the first patrix 8, be provided with the guide pillar hole corresponding with described the 3rd guide pillar 14 at described pressing plate 7, described the 3rd guide pillar 14 passes the guide pillar hole on the described pressing plate 7, and described the 3rd guide pillar 14 between described the first patrix 8 and described pressing plate 7 is set with spring 15.Like this, driving mechanism applies elastic force by pressing plate 7 and 15 pairs of the first patrixes 8 of spring, and an effect of the slow pressing of buffering is arranged when pressing, guarantees the pressing effect of air-conditioner indoor unit panel assembly 17.

Preferably, referring to Fig. 6 and Fig. 7, be provided with corresponding with the buckle on the described substrate groove 9a that dodges at the support face of described the first counterdie 9, the support face of the first counterdie 9 is cambered surface.Same, described the second patrix 10 adopts polyurethane materials to make, and described the second patrix 10 is fixed on the bottom surface of described the first counterdie 9 by bonding way, and the stitching surface of the second patrix 10 is cambered surface.

Preferably, referring to Fig. 8 and Fig. 9, be provided with corresponding with the buckle on the described substrate groove 11a that dodges on the support face of described the second counterdie 11, the support face of described the second counterdie 11 also is cambered surface.

Preferably, described driving mechanism comprises cylinder 4 and the 4th guide pillar 16, the piston rod of described cylinder 4 stretches out straight down with described pressing plate 7 and is connected, described the 4th guide pillar 16 be arranged in parallel with described the first guide pillar 12, described the 4th guide pillar 16 1 ends are fixed on the described pressing plate 7, and the other end passes the guide pillar hole on the described frame 1.Further preferably, the piston rod of described cylinder 4 is connected with described pressing plate 7 by floating junction 5.

Preferably, further referring to Fig. 1 and Fig. 2, be provided with castor 3 in the bottom of frame 1, with convenient carrying compression tooling.Preferably, trailing flank, left surface and right flank at cuboid framework 1a are provided with guard 2 and safe grating, described safe grating is electrically connected with described electric cabinet 6, and described electric cabinet 6 is electrically connected with magnetic valve (not shown on the figure) on described cylinder 4 gas circuits.Compression tooling is lower in working order, and when employee's hand put in frock inside because of carelessness, safe grating sent signal to electric cabinet 6, and electric cabinet 6 stops cylinder 4 automatically, thereby plays the effect of protection employee handling safety.

The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. home electronic panel assembly compression tooling, it is characterized in that, comprise frame, and be located at the first pressing mold on the described frame, the second pressing mold, the first guide pillar and driving mechanism, described the first pressing mold and described the second pressing mold are setting up and down, and be located by connecting together through described the first guide pillar, described the first pressing mold comprises the first patrix, the first counterdie and be arranged on described the first patrix and described the first counterdie between the second guide pillar, the stitching surface that the bottom surface of described the first patrix is complementary for the panel surface with described panel assembly, and described the first patrix is connected with described driving mechanism, the support face that the end face of described the first counterdie is complementary for the substrate surface with described panel assembly; Described the second pressing mold comprises the second patrix and the second counterdie, the stitching surface that the bottom surface of described the second patrix is complementary for the panel surface with described panel assembly, and described the second patrix and the interlock of described the first counterdie, the support face that the end face of described the second counterdie is complementary for the substrate surface with described panel assembly, and described the second counterdie is fixed on the described frame.
2. home electronic panel assembly compression tooling according to claim 1 is characterized in that, described the first patrix comprises die holder and be fixed on the pressing mold of described die holder bottom surface that described pressing mold is made by polyurethane material.
3. home electronic panel assembly compression tooling according to claim 1 is characterized in that, described the second patrix adopts polyurethane material to make, and described the second patrix is fixed on the bottom surface of described the first counterdie.
4. home electronic panel assembly compression tooling according to claim 1 is characterized in that, is provided with the dodge groove corresponding with the buckle on the described substrate at the support face of described the first counterdie and described the second counterdie.
5. home electronic panel assembly compression tooling according to claim 1 is characterized in that, the stitching surface of described the first patrix and described the second patrix is cambered surface, and the support face of described the first counterdie and described the second counterdie also is cambered surface.
6. the described home electronic panel assembly of any one compression tooling in 5 according to claim 1, it is characterized in that, also comprise the pressing plate that is arranged between described the first patrix and the described driving mechanism, described pressing plate is sleeved on described the first guide pillar, be fixed with at least two the 3rd guide pillars that be arranged in parallel with described the first guide pillar at described the first patrix, be provided with the guide pillar hole corresponding with described the 3rd guide pillar at described pressing plate, described the 3rd guide pillar passes the guide pillar hole on the described pressing plate, and described the 3rd guide pillar between described the first patrix and described pressing plate is set with spring.
7. home electronic panel assembly compression tooling according to claim 6, it is characterized in that, described driving mechanism comprises cylinder and the 4th guide pillar, the piston rod of described cylinder stretches out straight down with described pressing plate and is connected, described the 4th guide pillar and described the first guide pillar be arranged in parallel, described the 4th guide pillar one end is fixed on the described pressing plate, and the other end passes the guide pillar hole on the described frame.
8. home electronic panel assembly compression tooling according to claim 7 is characterized in that, the piston rod of described cylinder is connected with described pressing plate by floating junction.
9. home electronic panel assembly compression tooling according to claim 7 is characterized in that, is provided with castor in the bottom of described frame.
10. home electronic panel assembly compression tooling according to claim 7, it is characterized in that, also comprise guard, safe grating and electric cabinet, described guard and described safe grating be arranged on described the first pressing mold and described the second pressing mold around, described safe grating is electrically connected with described electric cabinet, and described electric cabinet is electrically connected with magnetic valve on the described cylinder gas circuit.
CN201210126722.2A 2012-04-26 2012-04-26 Compressing tool for panel assemblies of household appliances CN103373035B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210126722.2A CN103373035B (en) 2012-04-26 2012-04-26 Compressing tool for panel assemblies of household appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210126722.2A CN103373035B (en) 2012-04-26 2012-04-26 Compressing tool for panel assemblies of household appliances

Publications (2)

Publication Number Publication Date
CN103373035A true CN103373035A (en) 2013-10-30
CN103373035B CN103373035B (en) 2015-07-15

Family

ID=49459151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210126722.2A CN103373035B (en) 2012-04-26 2012-04-26 Compressing tool for panel assemblies of household appliances

Country Status (1)

Country Link
CN (1) CN103373035B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624980A (en) * 2013-12-09 2014-03-12 亿和精密工业(苏州)有限公司 High-temperature attaching jig
CN104494277A (en) * 2014-12-22 2015-04-08 珠海格力电器股份有限公司 Air-conditioner panel adhesion process and air conditioner
CN104747556A (en) * 2015-03-16 2015-07-01 珠海格力电器股份有限公司 Panel and substrate assembling tool
CN105501513A (en) * 2014-10-15 2016-04-20 苏州旭越塑胶科技有限公司 Product leather bonding mold
CN105522807A (en) * 2014-09-28 2016-04-27 珠海格力电器股份有限公司 Surface-film press machine
CN105563991A (en) * 2014-10-15 2016-05-11 苏州旭越塑胶科技有限公司 Positioning mold improvement device
CN106273235A (en) * 2016-08-10 2017-01-04 蚌埠市多宝塑模科技有限公司 A kind of upper mould hold-down devices
CN108248179A (en) * 2018-01-30 2018-07-06 青岛河澄知识产权有限公司 A kind of application method of wind shield hydrothermality bonding apparatus
RU185620U1 (en) * 2018-04-26 2018-12-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Петрозаводский государственный университет" Clamping device for a stack of substrates coated with a layer of compound placed in a polymerization furnace

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2584400Y (en) * 2002-12-18 2003-11-05 智邦科技股份有限公司 Joining device and joining mould
US20070164494A1 (en) * 2006-01-16 2007-07-19 Advanced Semiconductor Engineering Inc. Clamping device for a curing process
CN202053639U (en) * 2011-04-29 2011-11-30 深圳市拓奇实业有限公司 Hot compression machine for manufacturing high-brightness light decoration panel
CN202115058U (en) * 2011-07-13 2012-01-18 刘庆范 Full-automatic multilayer combined solar cell component laminating machine
CN202545463U (en) * 2012-04-26 2012-11-21 珠海格力电器股份有限公司 Compaction tool set for household appliance panel component

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2584400Y (en) * 2002-12-18 2003-11-05 智邦科技股份有限公司 Joining device and joining mould
US20070164494A1 (en) * 2006-01-16 2007-07-19 Advanced Semiconductor Engineering Inc. Clamping device for a curing process
CN202053639U (en) * 2011-04-29 2011-11-30 深圳市拓奇实业有限公司 Hot compression machine for manufacturing high-brightness light decoration panel
CN202115058U (en) * 2011-07-13 2012-01-18 刘庆范 Full-automatic multilayer combined solar cell component laminating machine
CN202545463U (en) * 2012-04-26 2012-11-21 珠海格力电器股份有限公司 Compaction tool set for household appliance panel component

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624980A (en) * 2013-12-09 2014-03-12 亿和精密工业(苏州)有限公司 High-temperature attaching jig
CN105522807B (en) * 2014-09-28 2017-09-22 珠海格力电器股份有限公司 A kind of facial mask forcing press
CN105522807A (en) * 2014-09-28 2016-04-27 珠海格力电器股份有限公司 Surface-film press machine
CN105501513A (en) * 2014-10-15 2016-04-20 苏州旭越塑胶科技有限公司 Product leather bonding mold
CN105563991A (en) * 2014-10-15 2016-05-11 苏州旭越塑胶科技有限公司 Positioning mold improvement device
CN104494277A (en) * 2014-12-22 2015-04-08 珠海格力电器股份有限公司 Air-conditioner panel adhesion process and air conditioner
CN104747556A (en) * 2015-03-16 2015-07-01 珠海格力电器股份有限公司 Panel and substrate assembling tool
CN104747556B (en) * 2015-03-16 2017-10-24 珠海格力电器股份有限公司 Panel and substrate assembly tooling
CN106273235A (en) * 2016-08-10 2017-01-04 蚌埠市多宝塑模科技有限公司 A kind of upper mould hold-down devices
CN108248179A (en) * 2018-01-30 2018-07-06 青岛河澄知识产权有限公司 A kind of application method of wind shield hydrothermality bonding apparatus
RU185620U1 (en) * 2018-04-26 2018-12-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Петрозаводский государственный университет" Clamping device for a stack of substrates coated with a layer of compound placed in a polymerization furnace

Also Published As

Publication number Publication date
CN103373035B (en) 2015-07-15

Similar Documents

Publication Publication Date Title
CN204074855U (en) Novel aluminium plate bender
CN203368267U (en) Insulating paper inserting machine for motor stator
CN201598041U (en) Packing-box stacking robot
CN102873390B (en) Tab cutting device of lithium battery core and tab cutting equipment using tab cutting device
CN103658385B (en) A kind of Bending Mould producing microwave oven cavity top plate
CN103341998B (en) Battery hot press
CN201516624U (en) Cyst plate fixed-length cutting device
CN204523810U (en) A kind of planar drawing machine
CN103640320B (en) A kind of glass cover-plate press fit device and compression method
CN103286199A (en) Automobile filter casing automatic production line
CN207448675U (en) A kind of outer frame of mobile phone shaving die
CN105530343B (en) A kind of cell phone rear cover assembly equipment
CN203242578U (en) Automatic screw locking device of plastic-casing breaker contact module
CN206796003U (en) A kind of puncher frame
CN205043068U (en) Automatic riveter of car parts
CN204196170U (en) A kind of manipulator for capturing sole
CN103223735A (en) Thermally-sealing and spot-breaking device of bag making machine
CN201532991U (en) Laminated mechanism
CN105383722A (en) Quick plastic package packing apparatus
CN203728189U (en) Conveying device of glass production line
CN202705698U (en) Bead embroidery output mechanism
CN202839465U (en) Automatic riveting device for contact point and static reed of alternating-current contactor
CN203318808U (en) Glove shaping and boxing mechanism
CN205522477U (en) A hot welding connects device for moulding plastics part
CN106216473B (en) A kind of electrical accessorie punch for manufacturing with automatic ejection

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant