CN110277261B - Electronic device - Google Patents
Electronic device Download PDFInfo
- Publication number
- CN110277261B CN110277261B CN201910472812.9A CN201910472812A CN110277261B CN 110277261 B CN110277261 B CN 110277261B CN 201910472812 A CN201910472812 A CN 201910472812A CN 110277261 B CN110277261 B CN 110277261B
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- CN
- China
- Prior art keywords
- waterproof
- side key
- electronic device
- wall body
- circuit board
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
- Casings For Electric Apparatus (AREA)
- Telephone Set Structure (AREA)
Abstract
The application provides an electronic device which comprises a shell, a side key circuit board, a first waterproof piece and a second waterproof piece, wherein the shell is provided with a side key channel and a side key accommodating cavity; the side key circuit board is arranged in the side key accommodating cavity and comprises a contact; the first waterproof piece is arranged in the circumferential direction of the side key and is in interference fit with the shell; the second waterproof piece is located between the side key and the side key circuit board and is abutted to the side key and in interference fit with the contact. The electronic equipment provided by the application has strengthened the waterproof leakproofness of side button department and the waterproof leakproofness between side button and the side button circuit board through setting up first waterproof and second waterproof, has further improved the waterproof dustproof grade of electronic equipment complete machine.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to electronic equipment.
Background
At present, IP67 level waterproof of the whole electronic equipment becomes standard configuration, and main waterproof positions are concentrated at side keys, wherein 6 refers to dustproof level (generally 0-6 level, the higher the level of the number is), 7 refers to waterproof level (generally 0-8 level, the higher the level of the number is), and obviously, the waterproof level of the electronic equipment still has a space capable of being improved.
Disclosure of Invention
The present application proposes an electronic device to solve the above problems.
The embodiment of the application realizes the aim through the following technical scheme.
An electronic device comprises a shell, a side key circuit board, a first waterproof piece and a second waterproof piece, wherein the shell is provided with a side key channel and a side key accommodating cavity, and the side key extends into the side key channel along a first direction and is partially arranged in the side key accommodating cavity; the side key circuit board is arranged in the side key accommodating cavity and comprises a contact; the first waterproof piece is arranged in the circumferential direction of the side key and is in interference fit with the shell; the second waterproof piece is located between the side key and the side key circuit board and is abutted to the side key and in interference fit with the contact.
In one embodiment, the second waterproof member includes a waterproof portion and a limiting portion, the waterproof portion is connected with the limiting portion, the waterproof portion covers at least the contact, and the limiting portion extends and is fixed in the side key receiving cavity along a second direction and a first direction in sequence, wherein the second direction is perpendicular to the first direction.
In one embodiment, the position-limiting portion and the waterproof portion are of an integrally molded structure.
In one embodiment, the limiting part is made of stainless steel, the waterproof part is made of silica gel, and the limiting part and the waterproof part are formed into an integral structure through hydraulic forming.
In one embodiment, the electronic device further includes a third moisture prevention member, the side key accommodating cavity is provided with an opening along the second direction, the second direction is perpendicular to the first direction, and the third moisture prevention member covers the opening.
In one embodiment, the third waterproof member includes a waterproof double-sided adhesive layer 73, the third waterproof member includes a surface facing the side key receiving cavity, and the waterproof double-sided adhesive layer 73 is disposed between the surface and the housing.
In one embodiment, the electronic device further includes a waterproof plug filled in the side key receiving cavity and connected to the third waterproof member.
In one embodiment, the waterproof plug and the third waterproof member are of an integrally formed structure.
In one embodiment, the first waterproof member and the side key are of an integrally molded structure.
In one embodiment, the side key is made of aluminum alloy, the first waterproof member is made of silica gel, and the side key and the first waterproof member are formed into an integral structure through hydraulic forming.
Compared with the prior art, the electronic equipment provided by the application has the advantages that the waterproof sealing performance of the side key and the waterproof sealing performance between the side key and the side key circuit board are enhanced by arranging the first waterproof piece and the second waterproof piece, and the waterproof and dustproof grade of the whole electronic equipment is further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Fig. 2 is a partial sectional view in the direction a-a of fig. 1.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and fig. 2, an electronic device 100 according to an embodiment of the present disclosure includes a housing 10, a side key 20, a side key circuit board 30, a first waterproof member 40, and a second waterproof member 50, where the housing 10 is provided with a side key passage 22 and a side key receiving cavity 24, and the side key 20 extends into the side key passage 22 along a first direction and is partially disposed in the side key receiving cavity 24; the side key circuit board 30 is arranged in the side key accommodating cavity 24, and the side key circuit board 30 comprises a contact 26 (Dome); the first waterproof member 40 is arranged in the circumferential direction of the side key 20 and is in interference fit with the housing 10; the second waterproof member 50 is located between the side key 20 and the side key circuit board 30, and the second waterproof member 50 abuts against the side key 20 and is in interference fit with the contact 26.
The housing 10 may be a front case or a center frame assembly of the electronic device 100 for carrying various electronic components of the electronic device 100, such as a battery, a display screen, and the like. The electronic device 100 may be a smart mobile terminal, a tablet computer, a handheld terminal, an e-reader, or the like.
The housing 10 defines a side key passage 22 and a side key receiving cavity 24, the side key passage 22 and the side key receiving cavity 24 are communicated with each other, the side key passage 22 is a passage into which the side key 20 extends, and the direction is the first direction X. The side key receiving cavity 24 is for receiving the end 27 of the side key 20 and the side key circuit board 30. Generally, only the watertight sealing of the side keys 20, e.g., the side key channels 22, is of concern, but few solutions focus on the watertight sealing of the side key receiving cavities 24.
The side key 20 is a key located on the side of the housing 10, and may be a function key such as a volume adjustment key and a power-off key. The side key 20 includes a key cap 28 and a key post 29, the key cap 28 being located at one end of the key post 29 and partially exposed. The other end of the key post 29 extends into the side key channel 22 in the first direction X and the end 27 of the key post 29 is disposed within the side key receiving cavity 24.
The side key circuit board 30 is a circuit board connected to the side keys 20, the side key circuit board 30 is disposed inside the housing 10, the side key circuit board 30 includes the contacts 26, and the side keys 20 are electrically connected to the contacts 26.
The first waterproof member 40 is disposed in the circumferential direction of the side key 20 and is in interference fit with the housing 10, and specifically, the outer diameter of the key post 29 of the side key 20 is smaller than the inner diameter of the side key passage 22, thereby leaving a certain gap between the key post 29 and the housing 10. The first waterproof member 40 is sleeved on the circumference of the side key 20, the first waterproof member 40 is annular, and when viewed from the cross section, the annular width of the first waterproof member 40 is larger than the gap width between the key post 29 and the housing 10, so that an interference fit relationship is formed between the first waterproof member and the housing 10, and the sealing and waterproof performance of the side key 20 is improved. The number of the first waterproof members 40 may be 1, 2 or more, mainly based on the length of the side keys 20 and the structure of the housing 10, for example, when the gap between the housing 10 and the key post 29 is not uniformly distributed and has a large size, a plurality of first waterproof members 40 with different thicknesses may be respectively and specifically arranged.
To further improve the sealing and waterproof property of the first waterproof member 40, in one embodiment, the first waterproof member 40 and the side key 20 are integrally formed. Specifically, in one embodiment, the side key 20 is made of aluminum alloy, the first waterproof member 40 is made of silicone, and the side key 20 and the first waterproof member 40 are formed into an integral structure by hydraulic molding, such as a silicone liquid oil pressure molding method.
An end receiving slot 270 may be further disposed in the receiving slot of the side key 20 and at the position of the end 27 of the side key 20, for receiving the end 27 of the side key 20 and blocking possible moisture around from entering the area where the side key 20 and the side key circuit board 30 are in contact with each other.
The size of the connection between the end 27 of the side key 20 and the key post 29 is reduced so that the side key 20 is not easily withdrawn after being inserted into the side key receiving cavity 24, and a side key position limiting spacer 25 may be provided to fix the position of the side key 20 so as not to be deviated or fall out in order to further block the side key 20.
The second waterproof member 50 is located between the side key 20 and the side key circuit board 30, and the second waterproof member 50 abuts against the side key 20 and is in interference fit with the contact 26.
Specifically, the second waterproof member 50 may be made of a silica gel material, the second waterproof member 50 is in a long strip shape, and may wrap around the side key circuit board 30 by half a circumference, the length and width of the second waterproof member 50 may be just similar to those of the contact 26 of the side key circuit board 30, so as to cover the contact 26, and the second waterproof member 50 may be attached to the contact 26 by gluing. One surface of the second waterproof member 50 abuts against the end 27 of the side key 20, and the other surface thereof is in interference fit with the side contact 26, so that the sealing and waterproof performance between the side key 20 and the side key circuit board 30 is further improved, and even if water enters the side key passage and enters the side key accommodating cavity 24, the contact 26 of the side key circuit board 30 can be ensured not to be damaged due to water mist corrosion and the like, and the normal key stroke of the side key 20 is not influenced.
In the present embodiment, the second waterproof member 50 includes a waterproof portion 51 and a stopper portion 52, the waterproof portion 51 is connected to the stopper portion 52, the waterproof portion 51 covers at least the contact 26, and the stopper portion 52 extends and is fixed in the side key accommodating chamber 24 in the second direction and the first direction in order, where the second direction is perpendicular to the first direction.
The waterproof portion 51 may be a silicone rubber or the like, and mainly covers the contact 26. The stopper portion 52 is a support structure of the waterproof portion 51 for more firmly disposing the waterproof portion 51 in the housing 10. In the present embodiment, the stopper portion 52 includes a first section 521 and a second section. The side key receiving cavity 24 is formed by enclosing a plurality of walls of the housing 10, and a wall is provided in the second direction Y, and the opposite side of the wall is empty to form an opening. The first section 521 abuts against the wall and is connected to the waterproof portion 51. The second section is connected to the waterproof portion 51, and then extends along the second direction Y and the first direction X in sequence, specifically, extends to the opening along the second direction Y, then turns to the inside of the housing 10 along the first direction X, and then is fixed to the limiting rib 14, and the limiting rib 14 may be a slot or a hook. In this embodiment, the position-limiting portion 52 may further extend along the second direction Y, and then be fixed, and the end 27 is bent to form the elastic arm 5220, so as to ensure that the waterproof portion 51 forms a certain interference fit at the contact 26. As a whole, the stop portion 52 defines the position of the entire second flashing 50, in particular the position of the flashing 51. The position-limiting portion 52 may be a position-limiting spacer, which is thin and may have a thickness equal to that of the waterproof portion 51.
To further improve the sealing and waterproof performance of the second waterproof member 50, in one embodiment, the position-limiting portion 52 and the waterproof portion 51 are integrally formed to reduce the water or water vapor, for example, the entire second waterproof member 50 is made of silica gel, and for example, in one embodiment, the position-limiting portion 52 is made of stainless steel, the waterproof portion 51 is made of silica gel, and the position-limiting portion 52 and the waterproof portion 51 are formed into an integral structure by hydraulic forming, for example, by a liquid hydraulic molding method of silica gel.
In summary, the electronic device 100 provided by the present application enhances the waterproof sealing performance at the side key 20 and the waterproof sealing performance between the side key 20 and the side key circuit board 30 by providing the first waterproof member 40 and the second waterproof member 50, and further improves the waterproof and dustproof grade of the whole electronic device 100.
Further, in the present embodiment, the inventor also notes that the side key receiving cavity 24 is provided with an opening along the second direction, and in order to further prevent water from entering from the opening inwards, the electronic device 100 may further include a third water-proofing member 60, and the third water-proofing member 60 covers the opening.
The form of the third waterproof member 60 is mainly related to the structure of the case 10 on the opening side. The side key accommodating cavity 24 is enclosed by the first wall 11, the second wall 12 and the third wall 13, the first wall 11 and the second wall 12 are arranged oppositely, the third wall 13 is connected between the first wall 11 and the second wall 12, the side key circuit board 30 is arranged on one side of the second wall 12, the second waterproof piece 50 is arranged on the end face 120 of the second wall 12 after bypassing a section of the side key circuit board 30, the second waterproof piece 50 can be tightly attached to the end face 120 of the second wall 12 at the position, a part of the surface of the second waterproof piece 50 is exposed, and the third waterproof piece 60 is arranged at the opening and is attached to the first wall 11 and the second waterproof piece 50. In order to improve the sealing and waterproof performance, besides the third waterproof member 60 is formed by silica gel or the like, and the third waterproof member 60 completely covers the opening, a waterproof double-faced adhesive layer 73 may be further disposed on the surface of the third waterproof member 60 facing the side key receiving cavity 24, so that the third waterproof member 60 can be firmly attached to the position, thereby improving the sealing and waterproof performance at the position.
When the second waterproof member 50 does not extend to the second wall 12 and the second wall 12 is exposed, the waterproof double-faced adhesive layer 73 is disposed between the surface of the third waterproof member 60 and the second wall 12.
In order to further improve the waterproof sealing performance at the opening, the third waterproof member 60 further includes a bump 61, and the bump 61 is sandwiched between the first wall 11 and the second wall 12 and protrudes toward the side key accommodating cavity 24. The projection 61 can increase the contact area between the third waterproof member 60 and the housing 10, and improve the waterproof sealing performance.
In one embodiment, the electronic device 100 further includes a waterproof plug 70, and the waterproof plug 70 is filled in the side key receiving cavity 24 and connected to the third waterproof member 60. The waterproof plug 70 may be made of TPU (Thermoplastic polyurethane elastomers). The waterproof plug 70 comprises a first surface and a second surface which are opposite to each other, the first surface is connected with the bump 61 of the third waterproof piece 60, preferably, the waterproof plug 70 and the third waterproof piece 60 can be of an integrally formed structure, the second surface abuts against the tail end accommodating groove 270 and is further tightly attached to the side key limiting gasket 25, and the side key limiting gasket 25 is pressed from the second direction Y so as not to loosen and jump out.
The first waterproof member 40 may be worn due to long-term use, which affects waterproof performance, and the third waterproof member 60 is not worn by silicone rubber due to pressing of the side key 20, so that the sealing performance is continuously stable.
The side keys 20 of the electronic device 100 of the embodiment of the present application may be assembled as follows:
firstly, the side key circuit board 30 is arranged in the shell 10, then the second waterproof piece 50 is arranged in the shell 10 by arranging the limit rib 14 on the shell 10, the tail part of the second waterproof piece 50 is designed with an elastic arm 5220 formed by bending, thus ensuring that the second waterproof piece 50 and the side key circuit board 30 have certain interference fit at the contact 26, and ensuring that the contact 26 of the side key circuit board 30 is not damaged due to water mist corrosion and the like even if water enters the side key channel; then, the side key 20 with the first waterproof part 40 is installed in the shell 10, the side key limiting gasket 25 is clamped into the position of the tail end accommodating groove 270, the side key 20 is prevented from falling out, the tail end 27 of the side key 20 is contacted with the second waterproof part 50, and in the key pressing process, the contact 26 can be prevented from being damaged by the fact that the side key 20 directly contacts with the contact 26 by adding the second waterproof part 50 between the side key 20 and the contact 26; then, the waterproof plug 70 with the waterproof double-sided adhesive layer 73 is pressed into the side key accommodating cavity 24, wherein the waterproof plug 70 presses the side key limiting gasket 25 in the second direction Y, so that the side key limiting gasket does not loosen and jump out, and the third waterproof member 60 with the waterproof double-sided adhesive layer 73 forms a seal with the upper surfaces of the housing 10 and the second waterproof member 50, thereby forming a sealing and waterproof effect at the opening.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (8)
1. An electronic device, comprising:
the side key accommodating cavity is enclosed by a first wall body, a second wall body and a third wall body, the first wall body and the second wall body are oppositely arranged, and the third wall body is connected between the first wall body and the second wall body;
the side key extends into the side key channel along a first direction and is partially arranged in the side key accommodating cavity;
the side key circuit board is arranged in the side key accommodating cavity and is positioned on one side of the second wall body, and the side key circuit board comprises a contact;
the first waterproof piece is arranged in the circumferential direction of the side key and is in interference fit with the shell; and
the second waterproof part is positioned between the side key and the side key circuit board, the second waterproof part is abutted against the side key and is in interference fit with the contact, the second waterproof part comprises a waterproof part and a limiting part, the waterproof part is connected with the limiting part, the waterproof part at least covers the contact, the limiting part sequentially extends along a second direction and a first direction in the side key accommodating cavity to be attached to the end face of the second wall body, then is bent into the shell, further extends along the second direction, is fixed, and is provided with an elastic arm at the tail end, wherein the second direction is vertical to the first direction;
wherein, the chamber is accepted to the side button and is followed the second direction is equipped with the opening, electronic equipment still includes third water proofing piece, third water proofing piece cover in the opening, and with first wall body and the laminating of second waterproof piece.
2. The electronic device of claim 1, wherein the position limiting portion and the waterproof portion are of an integrally molded structure.
3. The electronic device of claim 2, wherein the limiting portion is made of stainless steel, the waterproof portion is made of silica gel, and the limiting portion and the waterproof portion are formed into an integral structure through hydraulic forming.
4. The electronic device of claim 1, wherein the third moisture prevention member includes a waterproof double-sided adhesive tape, the third moisture prevention member including a surface facing the side key receiving cavity, the waterproof double-sided adhesive tape being disposed between the surface and the housing.
5. The electronic device according to claim 1, further comprising a waterproof plug filled in the side key receiving cavity and connected to the third waterproof member.
6. The electronic device of claim 5, wherein the waterproof plug and the third waterproof member are an integrally formed structure.
7. The electronic device of claim 1, wherein the first waterproof member and the side key are of an integrally molded structure.
8. The electronic device of claim 7, wherein the side key is made of aluminum alloy, the first waterproof member is made of silicone, and the side key and the first waterproof member are formed into an integral structure by hydroforming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472812.9A CN110277261B (en) | 2019-05-31 | 2019-05-31 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472812.9A CN110277261B (en) | 2019-05-31 | 2019-05-31 | Electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110277261A CN110277261A (en) | 2019-09-24 |
| CN110277261B true CN110277261B (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472812.9A Active CN110277261B (en) | 2019-05-31 | 2019-05-31 | Electronic device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681898B (en) * | 2020-05-27 | 2022-04-22 | Oppo广东移动通信有限公司 | Electronic device |
| CN114256013B (en) * | 2020-09-25 | 2024-06-18 | 北京小米移动软件有限公司 | Side key structure and electronic equipment |
| CN112885630B (en) * | 2021-01-14 | 2023-01-20 | 惠州Tcl移动通信有限公司 | Button waterproof construction and electronic equipment |
| CN113096990B (en) * | 2021-03-05 | 2022-07-08 | 北京小米移动软件有限公司 | Mobile terminal side key structure and terminal |
| CN113098997B (en) * | 2021-03-30 | 2022-09-30 | 青岛海信移动通信技术股份有限公司 | Waterproof adhesive tape and mobile terminal |
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| CN205789614U (en) * | 2016-05-30 | 2016-12-07 | 维沃移动通信有限公司 | A kind of side button and electronic equipment |
| CN207052500U (en) * | 2017-07-07 | 2018-02-27 | 联想(北京)有限公司 | Key switch, press-key structure and electronic equipment |
| CN208873633U (en) * | 2018-10-18 | 2019-05-17 | 厦门致杰智能科技有限公司 | A kind of polychromatic light Waterproof push-button |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016181610A1 (en) * | 2015-05-08 | 2016-11-17 | シャープ株式会社 | Electronic instrument |
| CN106128827B (en) * | 2016-07-08 | 2017-11-24 | 广东欧珀移动通信有限公司 | Side key structure and mobile terminal |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205789614U (en) * | 2016-05-30 | 2016-12-07 | 维沃移动通信有限公司 | A kind of side button and electronic equipment |
| CN207052500U (en) * | 2017-07-07 | 2018-02-27 | 联想(北京)有限公司 | Key switch, press-key structure and electronic equipment |
| CN208873633U (en) * | 2018-10-18 | 2019-05-17 | 厦门致杰智能科技有限公司 | A kind of polychromatic light Waterproof push-button |
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| CN110277261A (en) | 2019-09-24 |
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