Display panel fixing structure and washing machine

Abstract

The utility model provides a display panel fixing structure and a washing machine, the display panel fixing structure comprises a cover plate and a light-permeable panel, a display panel is arranged between the cover plate and the panel, one side of the display panel close to the panel forms a display part, the periphery of the display part is provided with an overflow groove, and the overflow groove is communicated with the cover plate. A bonding part is arranged on the periphery of the overflow groove and used for being bonded and fixed to the panel. According to the display panel fixing structure and the washing machine, excessive glue in the glue injection process can be effectively contained through the overflow groove, the problem that in the traditional technology, due to glue amount fluctuation, a visible area is polluted is thoroughly solved, and the optical quality consistency of a display interface is guaranteed; the display part and the panel are tightly attached through the non-shielding bonding interface, and the backlight leakage phenomenon caused by assembly tolerance of a traditional structure is eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to clothes processing technical field, specifically, relate to a display board fixed structure and washing machine. BACKGROUND

[0002] With the upgrading of consumption and the improvement of life quality, modern family puts forward higher requirement to the intelligent operation experience of washing machine. At present, the mainstream washing machine generally adopts integrated touch panel to realize man-machine interaction, and the panel is usually composed of light-transmitting display board and functional printing layer - the display board is responsible for dynamic display of running parameter and mode switching effect, and the printing layer is solidified with mode mark, function symbol and other visual elements, and the two realize washing program setting, water level adjustment and equipment start-stop control function in cooperation.

[0003] The display board in the existing washing machine is installed through mechanical assembly or adhesive fixing, wherein the mechanical assembly has problems of many parts, complicated assembly process, etc., which directly affects the production efficiency of production line; and although the adhesive fixing simplifies the structure design, it has strict requirement on glue injection precision; once the glue injection is insufficient, the adhesion is not firm, and even the interface delamination occurs to cause backlight leakage, and optical defects such as display blur and mark misplacement are caused; when the glue injection is excessive, the excess glue invades the display window area, causing pollution of the visible area, and seriously reducing the user experience.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] The utility model solves the problem that the existing display board fixed structure is unreasonable, the assembly efficiency is low and the display effect is poor.

[0006] In order to solve the above problems, the utility model provides a display board fixed structure, which comprises a cover plate and a light-transmitting panel, a display board is arranged between the cover plate and the panel, the display board forms a display part on the side close to the panel, an overflow groove is arranged on the periphery of the display part, an adhesive part is arranged on the periphery of the overflow groove, and is used for adhesion and fixation with the panel.

[0007] The setting can effectively accommodate the excess glue in the glue injection process, completely solve the pollution problem of the visible area caused by the glue amount fluctuation in the traditional process, ensure the consistency of the optical quality of the display interface, can also absorb the volume change of the glue caused by temperature change, avoid the cracking or interface separation of the glue layer caused by thermal expansion and cold contraction, realize the close adhesion between the display part and the panel through the non-shielding adhesive interface, and eliminate the backlight leakage phenomenon caused by the assembly tolerance of the traditional structure.

[0008] Preferably, the display part is protruding and higher than the bonding part, and the display part and the bonding part are horizontally arranged with a height difference h of 0.2-3mm. This arrangement can ensure that the display part is closely attached to the panel, while allowing the thickness of the glue layer to have a large fluctuation, for example, when the glue injection amount is 0.3-0.6g / m2, the sealing reliability can still be guaranteed, and the yield is greatly improved.

[0009] Preferably, the display panel is provided with a folding edge at the outer edge of the side away from the panel, and a first protrusion is arranged at the folding edge away from the panel, and the first protrusion abuts against the cover plate.

[0010] This arrangement increases the overall rigidity of the display panel, especially when subjected to external pressure, such as the slight deformation of the washing tub during the washing machine dehydration process, which can prevent the display panel from being concave towards the panel direction, ensuring the reliability of the internal circuit connection.

[0011] Preferably, the outer wall of the folding edge is provided with a plug-in part, and the cover plate is provided with a plug-in block, and the plug-in block is limitingly assembled with the plug-in part. This arrangement can realize the pre-assembly of the display panel and the cover plate, improve the installation efficiency, and limit the display panel in the horizontal plane.

[0012] Preferably, the folding edge is partially recessed downward to form an avoiding part, and the avoiding part and the plug-in part are respectively located on both sides of the display panel, and the cover plate is provided with a supporting rib, and the avoiding part abuts against the supporting rib.

[0013] This arrangement realizes horizontal limiting through the plug-in part and the plug-in block of the cover plate, and the avoiding part and the supporting rib form vertical support, constituting a double-axis constraint structure, which significantly reduces the displacement risk of the display panel during assembly or use; at the same time, the supporting rib can be a local reinforcing structure of the cover plate, which can resist the thermal expansion and contraction deformation of the display panel due to temperature changes, and avoid the sealing failure caused by interface separation.

[0014] Preferably, the display part is provided with a first surrounding plate at the outer edge of the side away from the panel, and the first surrounding plate is provided with a second protrusion, and the second protrusion and the first protrusion are in the same plane. This arrangement can significantly enhance the overall rigidity of the display part, resist deformation caused by external mechanical impact or vibration, and at the same time, the first protrusion and the second protrusion can disperse the stress on the side of the display panel close to the cover plate.

[0015] Preferably, the display panel is provided with a second surrounding plate between the folding edge and the first surrounding plate. This arrangement can strengthen the overflow groove part and improve the overall strength of the display panel; at the same time, it can shield the side of the display panel close to the cover plate to avoid light leakage and other problems.

[0016] Preferably, the width L of the overflow groove is 0.5-3mm. The setting allows the glue amount tolerance range to expand to ±20%, reduces the assembly defects caused by improper glue amount control, improves the yield to 99%, and reduces the light leakage rate to below 0.5%; in addition, the overflow groove can prevent the glue from invading the touch IC or FPC line area, and avoid the ESD breakdown short circuit risk caused by the top injury of the silver paste trace due to the overflow glue.

[0017] Preferably, a support block is arranged at the middle position of the cover plate, and the free end of the support block abuts against the panel. The setting can uniformly transmit the panel and the load thereon to the cover plate, avoids the structural deformation or damage caused by local stress concentration, and significantly improves the rigidity of the connection area of the cover plate and the panel, which is beneficial to resist the damage of the external mechanical impact to the internal structure.

[0018] The utility model also provides a kind of washing machine, including outer shell and the display panel fixing structure described above, the cover plate is connected with the outer shell by hinged part. The washing machine has the same beneficial effects with the display panel fixing structure, and will not be described here.

[0019] Compared with the prior art, the display panel fixing structure and washing machine have the following beneficial effects: 1) the overflow groove can effectively accommodate excess glue during glue injection, completely solve the pollution problem of visible area caused by glue amount fluctuation in traditional process, and ensure the consistency of display interface optical quality; 2) the volume change of glue caused by temperature change can be absorbed, to avoid the cracking or interface separation of glue layer caused by thermal expansion and cold contraction; 3) the display part and the panel are tightly attached through the non-shielding bonding interface, to eliminate the backlight leakage phenomenon caused by assembly tolerance in traditional structure; 4) the requirement for glue injection control precision can be significantly reduced, and the fault tolerance rate of glue injection process is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole schematic view of the display panel fixing structure described in the utility model embodiment;

[0021] Figure 2 It is the assembly schematic view of the display panel and the cover plate described in the utility model embodiment;

[0022] Figure 3 It is the structure schematic view of the display panel described in the utility model embodiment;

[0023] Figure 4 It is another view of the display panel described in the utility model embodiment;

[0024] Figure 5 It is the front view of the display panel described in the utility model embodiment.

[0025] MARKS DESCRIPTION:

[0026] 1-display plate; 11-overflow groove; 12-display part; 13-bonding part; 14-turning edge; 141-first protrusion; 15-first surrounding plate; 151-second protrusion; 16-plug-in part; 17-avoiding part; 18-second surrounding plate; 2-cover plate; 21-hinge part; 22-plug-in block; 23-supporting block; 24-thread passing buckle; 25-supporting rib; 3-panel. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. On the premise of no conflict, the technical features of the embodiments of the present application can be combined with each other.

[0028] It should be noted that all the terms for indicating directionality and positionality in the present application, such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer", "top", "low", "transverse", "longitudinal", "center", etc., are only used to explain the relative positional relationship, connection condition, etc. between the components in a certain specific state (as shown in the drawings), and are only for the convenience of describing the present application, and do not require the present application to be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features.

[0029] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] With the development of technology and people's aesthetic on washing machine is more and more high, install the display part of the operation panel on the upper cover assembly becomes the mainstream trend. If the display panel is fixed by screws and the like, the integrity of the cover plate will be probably damaged, affecting its appearance. When the existing display panel is fixed by adhesion, if the amount of glue is too small, the adhesion will be not firm, and the display effect will be poor due to the light leakage. If the amount of glue is too much, part of the glue will overflow into the display area and affect the display effect. Therefore, the applicant proposes the following technical scheme:

[0032] As shown in Figures 1-5 A display panel fixing structure, comprising a cover plate 2 and a light-transmissive panel 3, a display panel 1 is arranged between the cover plate 2 and the panel 3, the display panel 1 forms a display part 12 on the side close to the panel 3, a overflow groove 11 is arranged on the periphery of the display part 12, and an adhesion part 13 is arranged on the periphery of the overflow groove 11.

[0033] The setting can effectively accommodate the excess glue during the glue injection process, completely solve the pollution problem of the visible area caused by the fluctuation of the amount of glue in the traditional process, and ensure the consistency of the optical quality of the display interface. At the same time, it can also absorb the volume change of the glue caused by temperature change, avoid the cracking or interface separation of the glue layer caused by thermal expansion and cold contraction, and still maintain stable adhesion performance under the working condition of-20℃ to 60℃. The display part 12 and the panel 3 are tightly attached through the non-shielding adhesion interface, the backlight leakage phenomenon (light leakage rate is reduced to <1%) caused by the assembly tolerance of the traditional structure is eliminated, and the edge sharpness and contrast of the display content such as patterns and characters are ensured. In addition, this scheme can significantly reduce the number of assembly parts, reduce the mold complexity and production cost, has low control precision requirement for glue injection, improves the fault tolerance rate of glue injection process, significantly shortens the production line beat, and improves the assembly efficiency of single product by more than 30%.

[0034] As an example of the present application, the adhesion part 13 can be directly pasted with the panel 3 through double-sided adhesive tape. The panel 3 is made of transparent or translucent material and is used to display the area where the display part 12 is located. The setting structure is simple and the appearance is beautiful. Alternatively, the panel 3 and the corresponding area of the display panel 1 are made of transparent or translucent material.

[0035] As a preferred example, the display part 12 is rectangular, the overflow groove 11 is arranged along the outer edge of the display part 12 and has a certain width in the projection on the horizontal plane. The setting allows the glue amount tolerance range to expand to ±20%, reduces the assembly defects caused by improper glue amount control, improves the yield rate to 99%, and reduces the light leakage rate to less than 0.5%. In addition, the overflow groove 11 can prevent the glue from invading the touch IC or FPC circuit area, and avoid the risk of ESD breakdown short circuit caused by the overflow glue top silver paste wiring.

[0036] Preferably, the display part 12 is arranged protruding from the adhesive part 13, and the height difference h between the two is 0.2-1mm. This arrangement ensures that the display part 12 is tightly attached to the panel 3, while allowing the thickness of the adhesive layer to have a large fluctuation, for example, the injection amount is 0.3-0.6g / m², and the sealing reliability can still be guaranteed, and the yield is greatly improved.

[0037] As an example of the use of the new type, the display panel 1 is provided with a folded edge 14 on the outer edge away from the panel 3, and a first protrusion 141 is arranged on the folded edge 14 away from the panel 3, which is used to abut against the cover plate 2. This arrangement increases the overall rigidity of the display panel 1, especially when subjected to external pressure, such as the slight deformation of the washing tub during the washing machine dehydration process, which can prevent the display panel 1 from being concave towards the panel 3, and ensure the reliability of the internal circuit connection.

[0038] Preferably, the display part 12 is arranged with a first surrounding plate 15 on the outer edge away from the panel 3, and a second protrusion 151 is arranged on the first surrounding plate 15, and the second protrusion 151 and the first protrusion 141 are in the same plane. This arrangement can significantly enhance the overall rigidity of the display part 12, resist deformation caused by external mechanical impact or vibration, and at the same time, the first protrusion 141 and the second protrusion 151 can disperse the stress on the side of the display panel 1 close to the cover plate 2.

[0039] Preferably, the display panel 1 is provided with a second surrounding plate 18, which is located between the folded edge 14 and the first surrounding plate 15. This arrangement can strengthen the overflow groove 11 part and improve the overall strength of the display panel 1; at the same time, it can shield the side of the display panel 1 close to the cover plate 2, avoiding problems such as light leakage.

[0040] Preferably, the outer side wall of the folded edge 14 is provided with a plug-in part 16, and the cover plate 2 is provided with a plug-in block 22, and the plug-in block 22 is limitingly assembled with the plug-in part 16. This arrangement can realize the pre-assembly of the display panel 1 and the cover plate 2, improve the installation efficiency; at the same time, it can limit the display panel 1 in the horizontal plane.

[0041] Preferably, the folded edge 14 is partially recessed downward to form an avoidance part 17, the avoidance part 17 and the plug-in part 16 are respectively located on both sides of the display panel 1, the cover plate 2 is provided with a supporting rib 25, and the avoidance part 17 abuts against the supporting rib 25. This arrangement realizes horizontal direction limiting through the plug-in part 16 and the plug-in block 22 of the cover plate 2, and the avoidance part 17 and the supporting rib 25 form vertical direction support, constituting a double-axis constraint structure, which significantly reduces the displacement risk of the display panel 1 during assembly or use; at the same time, the supporting rib 25 can be a local strengthening structure of the cover plate 2, which can resist the thermal expansion and contraction deformation of the display panel 1 caused by temperature change, and avoid the sealing failure caused by interface separation.

[0042] As an example of the utility model, the middle position of the cover plate 2 is provided with a support block 23, the free end of the support block 23 abuts with the panel 3. The setting can uniformly transmit the panel 3 and the load above it to the cover plate 2, avoid the structure deformation or damage caused by local stress concentration, can significantly improve the rigidity of the connecting area of the cover plate 2 and the panel 3, is favorable to resist the destruction of external mechanical impact to the internal structure. The cover plate 2 is also provided with a wire passing buckle 24, the specific structure is prior art, and here will not be repeated.

[0043] The utility model also provides a kind of washing machine, including above-mentioned display panel fixed structure;The washing machine further includes shell, the cover plate 2 is provided with hinged part 21, for with the shell hinged connection.

[0044] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protective scope of the utility model should be limited by the range defined in claim.

Claims

1. A display panel fixing structure characterized by comprising: The display board (1) is arranged between the cover plate (2) and the light-transmissive panel (3), and a display part (12) is formed on the side close to the panel (3), a peripheral overflow groove (11) is arranged on the display part (12), and an adhesive part (13) is arranged on the peripheral overflow groove (11) for adhesive fixing with the panel (3).

2. The display panel fixing structure according to claim 1, characterized by The display part (12) is arranged protruding and higher than the adhesive part (13), and the display part (12) and the adhesive part (13) are both arranged horizontally with a height difference h of 0.2-3mm therebetween.

3. The display panel fixing structure according to claim 1, characterized by A folding edge (14) is arranged on the outer edge of the side away from the panel (3) of the display board (1), a first protruding block (141) is arranged on the folding edge (14) at the side away from the panel (3), and the first protruding block (141) abuts against the cover plate (2).

4. The display panel fixing structure according to claim 3, characterized by An insertion part (16) is arranged on the outer side wall of the folding edge (14), an insertion block (22) is arranged on the cover plate (2), and the insertion block (22) is limitingly assembled with the insertion part (16).

5. The display panel fixing structure according to claim 4, wherein A part of the folding edge (14) is recessed downward to form an avoiding part (17), the avoiding part (17) and the insertion part (16) are respectively arranged on the two sides of the display board (1), a supporting rib (25) is arranged on the cover plate (2), and the avoiding part (17) abuts against the supporting rib (25).

6. The display panel fixing structure according to claim 3, wherein A first surrounding plate (15) is arranged on the outer edge of the side away from the panel (3) of the display part (12), a second protruding block (151) is arranged on the first surrounding plate (15), and the second protruding block (151) and the first protruding block (141) are in the same plane.

7. The display panel fixing structure according to claim 6, wherein A second surrounding plate (18) is arranged on the display board (1), and the second surrounding plate (18) is arranged between the folding edge (14) and the first surrounding plate (15).

8. The display panel fixing structure according to claim 1, wherein The width L of the overflow groove (11) is 0.5-3mm.

9. The display panel fixing structure according to claim 1, wherein A supporting block (23) is arranged at the middle position of the cover plate (2), and the free end of the supporting block (23) abuts against the panel (3).

10. A laundry machine characterized by The display board fixing structure comprises an outer shell and the display board fixing structure according to any one of claims 1-8, and the cover plate (2) is connected with the outer shell through a hinge part (21).

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