CN107785199B - Waterproof membrane and waterproof button with reset function - Google Patents
Waterproof membrane and waterproof button with reset function Download PDFInfo
- Publication number
- CN107785199B CN107785199B CN201610731409.XA CN201610731409A CN107785199B CN 107785199 B CN107785199 B CN 107785199B CN 201610731409 A CN201610731409 A CN 201610731409A CN 107785199 B CN107785199 B CN 107785199B
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- CN
- China
- Prior art keywords
- waterproof membrane
- waterproof
- key
- pressing column
- membrane body
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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
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- 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
- 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
- H01H13/063—Casings hermetically closed by a diaphragm through which passes an actuating member
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- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/074—Properties of the membrane elastomeric
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
- H01H2223/003—Membrane embracing all keys
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention provides a waterproof membrane with a reset function and a waterproof key, wherein the waterproof membrane comprises a waterproof membrane body, a pressing column and an elastic reset part which is in sealing connection with the waterproof membrane body and the pressing column, and the elastic reset part is surrounded on the outer side of the pressing column. The elastic reset part is arranged to be hermetically connected with the waterproof membrane body and the press column, so that the waterproof membrane has good waterproof performance, and even if water reaches the upper surface of the waterproof membrane, the water cannot penetrate through the waterproof membrane to reach the computer board, the waterproof performance of the waterproof membrane is improved, and the safety of the press key is improved; through setting up the press post, can realize pressing the function to key switch, avoided offering the through-hole that is used for the button body to pass on the water proof membrane to and set up elasticity portion that resets, make press the post and can reset automatically under the drive of elasticity portion that resets after pressing down, saved the spring in the traditional design, reduced product cost.
Description
Technical Field
The invention belongs to the technical field of key parts, and particularly relates to a waterproof membrane with a reset function and a waterproof key with the waterproof membrane.
Background
With the increasing popularity and universality of household appliances and the increasing frequency of safety accidents of household appliances in recent years, consumers have raised requirements on the safety of the use of the household appliances, and the requirements of relevant standards of the industry of the household appliances are also improved and improved in response to the call of the consumers. For example, although the computer board is changed from a strong and weak current integrated type to a strong and weak current separated type (only weak current exists on the computer board) at present, the waterproof performance of the washing machine, especially the drum washing machine, still cannot completely avoid potential safety hazards, especially the machine type with mechanical keys, and in some cases, the accumulated water on the washing machine can still flow onto the computer board through the key gaps.
A common solution to this situation is to add a waterproof element on the appropriate part or in the appropriate place between the mechanical keys and the computer board. For example, the waterproof board for the keys of the drum washing machine disclosed in chinese patent 201220635221.2 is disposed between the computer board and the keys, the computer board is provided with a key switch, the waterproof board for the keys is provided with a through hole extending from an end of the key, the keys are disposed above the key switch, and the keys are pressed to act on the key switch. The waterproof board improves the waterproofness of the washing machine key, and can prevent water drops from flowing into the computer board through a gap between the key and the control panel; however, the through hole extending from the end part of the key is formed in the key waterproof plate, so that water reaching the key waterproof plate can possibly permeate into the computer board through the through hole; in addition, in order to reset the pressed key, a reset spring is generally required to be arranged, so that the key has a complex structure and higher cost.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the waterproof membrane with the reset function, which has a simple structure and a good waterproof effect.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a waterproof membrane with reset function, includes the waterproof membrane body, presses the post and sealing connection the waterproof membrane body with press the elasticity portion of restoring to the throne of post, elasticity portion of restoring to the throne encircle press the outside of post.
Further, the elastic reset part comprises an arc-shaped deformation part which extends inwards and upwards and protrudes outwards.
Furthermore, the elastic reset part also comprises a connecting part horizontally extending along the inner side of the deformation part, and the connecting part is connected with the side surface of the pressing column.
Further, the elastic reset portion further comprises an upward flanging extending outwards along the outer side of the deformation portion.
Furthermore, the edge of the waterproof membrane body is provided with a water retaining rib extending upwards.
Furthermore, the edge of the waterproof membrane body is provided with a drainage part extending away from the elastic reset part.
Further, a drainage groove is formed in the waterproof membrane body, and at least one end of the drainage groove is located at the edge of the waterproof membrane body.
Based on the waterproof membrane with the reset function, the invention also provides the waterproof key with the waterproof membrane, so that the waterproof key is simple in structure, low in cost and good in waterproof effect.
A waterproof key comprises a computer board and the waterproof membrane positioned above the computer board.
Further, waterproof button still includes the button body, the button body is located the top of waterproof membrane, when pressing the button body, the button body promotes press the post to remove downwards.
Furthermore, a key switch is arranged on the computer board, and the pressing column moves downwards and touches the key switch.
Furthermore, the waterproof key further comprises a support arranged between the computer board and the waterproof membrane, and the waterproof membrane is fixed on the support.
Furthermore, the support is provided with an extending hole matched with the pressing column, and the pressing column extends downwards out of the extending hole.
Furthermore, an annular boss is arranged on the support near the extension hole, a groove matched with the boss is formed in the waterproof membrane body, and the boss is located in the groove.
Furthermore, a plurality of positioning columns extending downwards are arranged on the waterproof membrane body, and positioning holes matched with the positioning columns are formed in the support.
Furthermore, be equipped with a plurality of downwardly extending's cock stem on the water proof membrane body, the lower extreme of cock stem is equipped with along the radial outside barrier part that extends of cock stem, seted up on the support with cock stem assorted consent.
According to the waterproof membrane with the reset function, the elastic reset part is arranged to be hermetically connected with the waterproof membrane body and the press column, so that the waterproof membrane has good waterproof performance, and even if water reaches the upper surface of the waterproof membrane, the water cannot penetrate through the waterproof membrane to reach a computer board, the waterproof performance of the waterproof membrane is improved, and the safety of a key is improved; through setting up the press post, can realize pressing the function to key switch, avoided offering the through-hole that is used for the button body to pass on the water proof membrane, and set up elasticity portion that resets, make and press the post and can reset automatically under the drive of elasticity portion that resets after pressing down, the spring in the traditional design has been saved, the product structure has been optimized, the product cost is reduced, and the elasticity user experience of water proof membrane will be superior to the spring, the button effect of feeling has been strengthened, be favorable to improving customer's satisfaction.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a waterproof membrane with a reset function according to the present invention;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of region B in FIG. 2;
FIG. 4 is a schematic structural view of a control panel of the washing machine having the waterproof film of FIG. 1;
FIG. 5 is a schematic cross-sectional view taken along line C-C in FIG. 4;
FIG. 6 is an enlarged schematic view of region E in FIG. 5;
FIG. 7 is an enlarged sectional view taken along line D-D in FIG. 4;
fig. 8 is an enlarged schematic view of region E in fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 8, which are views showing an embodiment of a waterproof membrane with a reset function according to the present invention, a waterproof membrane 1 with a reset function includes a waterproof membrane body 11, a pressing column 13, and an elastic reset portion 12, wherein the elastic reset portion 12 is disposed between the waterproof membrane body 11 and the pressing column 13 and hermetically connects the waterproof membrane body 11 and the pressing column 13, and the elastic reset portion 12 surrounds the outer side of the pressing column 13. When the pressing column 13 moves downwards, the elastic resetting part 12 is driven to deform; when the pressing force on the pressing column 13 is removed, the elastic reset portion 12 starts to deform and reset, and drives the pressing column 13 to move upward and reset.
In the embodiment, the elastic reset part 12 is arranged, so that the pressing column 13 has an automatic reset function, an elastic reset structure is prevented from being arranged for resetting the key, the elastic reset part 12 moves downwards along with the pressing column 13, the waterproof film body 11 is prevented from being pulled when the pressing column 13 is pressed, the firmness of the fixed waterproof film 1 is improved, and the waterproof performance of the waterproof film 1 is ensured; the elasticity of the keys and the hand feeling are increased, and the satisfaction of customers is improved; the button switch can be touched through the contact of the button switch on the computer board and the button column 13, so that a through hole for the button body to pass through is prevented from being formed in the waterproof membrane 1, and the elastic reset part 12 protruding upwards is arranged on the waterproof membrane body 11, so that the waterproof membrane 1 is a complete membrane with good waterproof performance; even if water reaches the upper surface of the waterproof membrane 1, the water cannot penetrate through the waterproof membrane 1 to reach the computer board, so that the waterproof performance of the waterproof membrane is improved, and the safety of the flexible waterproof key is improved; and the structure is simple, which is beneficial to reducing the product cost.
In this embodiment, referring to fig. 2 and 3, a plurality of pressing columns 13 and elastic restoring portions 12 are arranged on the waterproof membrane 1, the pressing columns 13 are located at the center of the elastic restoring portions 12, the elastic restoring portions 12 are upwardly convex, and the elastic restoring portions 12 include a supporting portion 123, a deforming portion 122 and a connecting portion 121 which are sequentially connected from outside to inside, where the direction close to the axis of the pressing columns 13 is taken as the inside, and vice versa; wherein the connecting part 121 is a horizontal annular plane, and the connecting part 121 is connected with the side surface of the pressing column 13; the section of the deformation part 122 is an arc shape which extends inwards and upwards and protrudes outwards, the deformation part is deformed after being pressed downwards and provides a reset force, and the deformation part 122 has good resilience force by arranging the deformation part 122 to be the arc shape which protrudes outwards, so that the reset of the pressing column is ensured; the deformation portion 122 is arranged to extend upwards, so that the elastic restoring portion 12 protrudes out of the waterproof membrane body 11 and is deformed to move downwards when being applied with a downward force; and the supporting part 123 is in an upward flanging shape, namely, an arc shape which extends downwards and then upwards, the supporting part 123 is a semicircular arc surface and mainly plays a supporting role, and the outer end of the supporting part 123 is connected with the waterproof membrane body 11. The elastic reset portion 12 has good elastic deformation and reset functions due to the cooperation of the connecting portion 121, the deformation portion 122 and the supporting portion 123.
In this embodiment, referring to fig. 1, the water blocking rib 111 extending upward and the drainage portion 112 extending forward are disposed at the front edge of the waterproof membrane body 11, and the water blocking ribs 111 are also disposed at the left and right sides of the drainage portion 112. And a drainage groove 113 is arranged at the rear part of the waterproof membrane body 11, and the left end of the drainage groove 113 is positioned at the edge of the waterproof membrane body 11. Front and back, about mentioned with waterproofing membrane 1 for the user under normal use condition, through setting up water bar 111, drainage portion 112 and drainage groove 113, if the water droplet falls on waterproofing membrane 1, the water droplet can flow forward through drainage portion 112 or flow out from the left side through drainage groove 113, avoids piling up on waterproofing membrane 1's surface, especially avoids on reaching the computer board from waterproofing membrane body 11 water that flows down, increases the security.
In this embodiment, the waterproof membrane 1 is integrally formed by injection molding and is made of a flexible material, preferably a silicone material.
Referring to fig. 4-8, in order to apply the waterproof membrane in the embodiment to the waterproof key of the washing machine, the waterproof key is disposed on the control panel 10 of the washing machine, the waterproof key includes a computer board 2, a waterproof membrane 1 covering the computer board 2, and a key body 3, the key body 3 is mounted on the control panel 10 and can move up and down, the key body 3 contacts with a pressing column 13, and a key switch 21 is disposed on the computer board 2. The user makes the key body 3 move downwards and pushes the pressing column 13 to move downwards together, and meanwhile, the elastic resetting part 12 deforms downwards; the pressing column 13 presses and touches the key switch 21; later the user loosens the hand for according to post 13 upwards reseing under the drive of elasticity portion of reseing 12, push button body 3 and upwards reseing according to post 12 promotion simultaneously, make waterproof button simple structure like this, water-proof effects is good, has avoided setting up the elasticity structure of reseing of button body 3, and the cost is lower.
In this embodiment, referring to fig. 6 and 8, a bracket 4 is disposed between the computer board 2 and the waterproof membrane 1, and the waterproof membrane 1 is fixed on the bracket 4, and the bracket 4 is fixed on the computer board through a snap structure; the support 4 is arranged, so that the waterproof membrane 1 can be supported, and the structural stability is improved; and waterproof membrane 1 is flexible material, needs more location buckle structure when fixed, has avoided setting up too much through-hole on computer board 1, increases the difficulty of circuit arrangement on the computer board 1 to and reduce the intensity of computer board 1.
In this embodiment, the bracket 4 is provided with an extending hole matched with the pressing column 13, and the pressing column 13 downwardly passes through the extending hole. Preferably, the extension hole is matched with the elastic restoring portion 12, so that the elastic restoring portion 12 can be located in the extension hole or extended after being deformed, and the elastic deformation amplitude of the elastic restoring portion 12 is increased, so that the downward movement distance of the pressing column 13 is increased.
In this embodiment, referring to fig. 3 and 6, an annular boss 41 is provided on the bracket 4 near the protruding hole, a groove 116 matching with the boss 41 is provided on the waterproofing membrane body 11, and the boss 41 is located in the groove 116. By arranging the boss 41 and the groove 116, the firmness of fixing the waterproof membrane 1 on the bracket 4 is improved, and dislocation, movement and the like of the waterproof membrane 1 are avoided when a key is pressed; and set up boss 41, increase the intensity of support 4, increase the support of support 4 to waterproof membrane 1.
In this embodiment, referring to fig. 2 and 6, a plurality of positioning columns 114 and plug columns 115 extending downward are disposed on the waterproof membrane body 11, and positioning holes and plug holes respectively matched with the positioning columns 114 and the plug columns 115 are disposed on the bracket 4. The height of the positioning column 114 is greater than that of the plug 115, and a blocking part extending outwards along the radial direction of the plug 115 is arranged at the lower end of the plug 115 and is in contact with the lower end surface of the support 4. The positioning speed of the installation of the waterproof membrane 1 is increased by arranging the positioning column 1, and a certain fixing effect is achieved.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (4)
1. A waterproof key is characterized by comprising a computer board and a waterproof membrane with a reset function, wherein the waterproof membrane is positioned above the computer board and comprises a waterproof membrane body, a pressing column and an elastic reset part which is hermetically connected with the waterproof membrane body and the pressing column, and the elastic reset part surrounds the outer side of the pressing column;
the elastic reset part comprises a supporting part, a deformation part and a connecting part which are sequentially connected from outside to inside, the connecting part is a horizontal annular plane, and the connecting part is connected with the side surface of the pressing column; the section of the deformation part is in an arc shape which extends inwards and upwards and protrudes outwards, and the deformation part deforms after being pressed downwards and provides restoring force;
the waterproof key further comprises a support arranged between the computer board and a waterproof membrane, and the waterproof membrane is fixed on the support;
the support is provided with an extending hole matched with the pressing column, and the pressing column extends downwards out of the extending hole; the waterproof membrane comprises a waterproof membrane body and is characterized in that an annular boss is arranged on the support near the extension hole, a groove matched with the boss is formed in the waterproof membrane body, and the boss is located in the groove.
2. The waterproof key of claim 1, wherein the edge of the waterproof membrane body is provided with an upwardly extending water blocking rib.
3. The waterproof key of claim 1, wherein the edge of the waterproof membrane body is provided with a drainage portion extending away from the elastic reset portion.
4. The waterproof key of claim 1, wherein the waterproof membrane body is provided with a drainage groove, and at least one end of the drainage groove is located at the edge of the waterproof membrane body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731409.XA CN107785199B (en) | 2016-08-26 | 2016-08-26 | Waterproof membrane and waterproof button with reset function |
| PCT/CN2017/096334 WO2018036376A1 (en) | 2016-08-26 | 2017-08-08 | Waterproof membrane and waterproof button having position-restoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731409.XA CN107785199B (en) | 2016-08-26 | 2016-08-26 | Waterproof membrane and waterproof button with reset function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107785199A CN107785199A (en) | 2018-03-09 |
| CN107785199B true CN107785199B (en) | 2021-12-07 |
Family
ID=61246378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731409.XA Active CN107785199B (en) | 2016-08-26 | 2016-08-26 | Waterproof membrane and waterproof button with reset function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107785199B (en) |
| WO (1) | WO2018036376A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837955A (en) * | 2020-12-30 | 2021-05-25 | 歌尔科技有限公司 | Key mechanism and wearable equipment with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5475192A (en) * | 1993-03-15 | 1995-12-12 | Teikoku Tsushin Kogyo Co., Ltd. | Keytop sheet for push-button switches |
| CN1195871A (en) * | 1997-04-09 | 1998-10-14 | Lg电子株式会社 | Push-button switch |
| CN101377048A (en) * | 2007-08-31 | 2009-03-04 | 海尔集团公司 | Key water-proof structure of washing machine |
| CN201532610U (en) * | 2009-11-13 | 2010-07-21 | 高学才 | Dustproof waterproof keyboard |
| CN202434380U (en) * | 2012-02-13 | 2012-09-12 | 叶焦明 | Key switch with waterproof structure |
| CN204792571U (en) * | 2015-07-13 | 2015-11-18 | 山东超越数控电子有限公司 | Fixed silica gel keyboard of conical column |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202989580U (en) * | 2012-11-27 | 2013-06-12 | 合肥荣事达三洋电器股份有限公司 | Waterproof key board of roller washing machine |
-
2016
- 2016-08-26 CN CN201610731409.XA patent/CN107785199B/en active Active
-
2017
- 2017-08-08 WO PCT/CN2017/096334 patent/WO2018036376A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5475192A (en) * | 1993-03-15 | 1995-12-12 | Teikoku Tsushin Kogyo Co., Ltd. | Keytop sheet for push-button switches |
| CN1195871A (en) * | 1997-04-09 | 1998-10-14 | Lg电子株式会社 | Push-button switch |
| CN101377048A (en) * | 2007-08-31 | 2009-03-04 | 海尔集团公司 | Key water-proof structure of washing machine |
| CN201532610U (en) * | 2009-11-13 | 2010-07-21 | 高学才 | Dustproof waterproof keyboard |
| CN202434380U (en) * | 2012-02-13 | 2012-09-12 | 叶焦明 | Key switch with waterproof structure |
| CN204792571U (en) * | 2015-07-13 | 2015-11-18 | 山东超越数控电子有限公司 | Fixed silica gel keyboard of conical column |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036376A1 (en) | 2018-03-01 |
| CN107785199A (en) | 2018-03-09 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211104 Address after: Room 221, management committee of Sino German ecological park, 2877 Tuanjie Road, Huangdao District, Qingdao, Shandong 266000 Applicant after: QINGDAO HAIER WASHING ELECTRIC APPLIANCES Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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