CN111816062A - Display structure and electric appliance - Google Patents

Abstract

The invention relates to a display structure and an electric appliance. The display structure includes: the display device comprises a top cover assembly, a display assembly, a base and an elastic piece; the top cover component is covered on the base, and an accommodating cavity is formed between the top cover component and the base in a matching way; the elastic piece is used for supporting the display assembly in the accommodating cavity and is used for enabling the display assembly to be attached to the top cover assembly. According to the display structure, the elastic piece is used for supporting the display assembly in the accommodating cavity formed between the top cover assembly and the base in a matched mode and enabling the display assembly to be attached to the top cover assembly, the problem that the distance between the display assembly and the top cover assembly is not uniform due to assembly errors is solved, the display effect of the display assembly is improved, and the use performance and the user experience of the display structure are improved.

Description

Display structure and electric appliance

Technical Field

The invention relates to the technical field of display, in particular to a display structure and an electric appliance.

Background

The display component is one of important components of electric appliances (such as water softeners, water purifiers, cooling fans and other household appliances), and mainly plays a role in transmitting information to users. The existing display module is generally fixed on the base through screws, and then the top cover is covered on the base to protect the display module. However, due to assembly errors, the distance between the top cover and the display assembly is not uniform, the display effect is affected, and the use performance and the user experience of the electric appliance are reduced.

Disclosure of Invention

Accordingly, it is desirable to provide a display structure and an electric appliance for solving the problem of non-uniform distance between the display module and the top cover.

A display structure comprising: the display device comprises a top cover assembly, a display assembly, a base and an elastic piece;

the top cover component is covered on the base, and an accommodating cavity is formed between the top cover component and the base in a matching manner;

the elastic piece is used for supporting the display assembly in the accommodating cavity, and the elastic piece is used for enabling the display assembly to be attached to the top cover assembly.

According to the display structure, the elastic piece is used for supporting the display assembly in the accommodating cavity formed between the top cover assembly and the base in a matched mode and enabling the display assembly to be attached to the top cover assembly, the problem that the distance between the display assembly and the top cover assembly is not uniform due to assembly errors is solved, the display effect of the display assembly is improved, and the use performance and the user experience of the display structure are improved.

In one embodiment, the display assembly comprises: the display screen comprises a circuit board, a mounting rack arranged on the circuit board and a display screen arranged on the mounting rack and electrically connected with the circuit board;

the display screen is attached to the top cover assembly;

the elastic piece is arranged between the circuit board and the base.

In one embodiment, the circuit board is provided with a first through hole;

the base is provided with an installation column, and one end of the installation column, which is far away from the base, penetrates out of the corresponding first through hole;

the elastic piece is sleeved on the mounting column.

In this way, the elastic member can effectively support the circuit board along the mounting post.

In one embodiment, the base is provided with a limit groove;

the mounting column is connected with the groove bottom of the limiting groove, and one end, far away from the top cover assembly, of the elastic piece is arranged in the limiting groove.

Therefore, the elastic piece can be deformed along the thickness direction of the display structure, the display assembly can be effectively supported, the thickness of the display structure can be reduced, and the structure of the display structure is compact.

In one embodiment, the elastic member is one or more of a spring or rubber.

In one embodiment, the number of the elastic element, the first through hole, the mounting post and the limiting groove is multiple, and the four are in one-to-one correspondence.

In one embodiment, the base is provided with a limiting assembly, the limiting assembly is provided with a blocking part, and the blocking part is used for limiting the range of the display assembly moving towards the top cover assembly under the supporting force of the elastic part.

Therefore, when the display assembly is installed, the limiting assembly can prevent the elastic piece from bouncing the display assembly.

In one embodiment, the stopper assembly comprises: the screw column is installed on the base, and the fastener is in threaded connection with one end, far away from the base, of the screw column;

the circuit board suit is in on the screw post, the circuit board can be followed by the base is to when the assembly top cap subassembly the direction slip until with the head butt of fastener.

In one embodiment, the mounting frame is provided with a positioning column, and the circuit board is provided with at least one second through hole; or the mounting rack is provided with the second through hole, and the circuit board is provided with the positioning column;

the second through hole is used for enabling the positioning column to penetrate through.

Therefore, the positioning columns can be pre-positioned when the circuit board is installed through matching with the corresponding second through holes.

In one embodiment, an avoidance groove is arranged on the base;

one end of the positioning column, which is far away from the top cover assembly, is located in the avoiding groove.

Thus, the thickness of the display structure can be reduced, and the structure of the display structure can be compact.

In one embodiment, the base is provided with a positioning rib, and the positioning rib is used for preventing the circuit board from deviating.

In one embodiment, the cap assembly comprises: the top cover is connected with the base and provided with an observation window;

the protective film is covered on the observation window;

the display screen penetrates through the observation window to be attached to the protective film.

An appliance comprising the display structure of any of the above.

As for the electric appliance, the elastic piece of the display structure is used for supporting the display assembly in the accommodating cavity formed by matching between the top cover assembly and the base and enabling the display assembly to be attached to the top cover assembly, the problem that the distance between the display assembly and the top cover assembly is not uniform due to assembly errors is solved, the display effect of the display assembly is improved, and the use performance and the user experience of the electric appliance are improved.

Drawings

FIG. 1 is an exploded view of a display structure according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a portion of a display structure according to an embodiment of the present invention;

FIG. 3 is an exploded view of a display assembly according to an embodiment of the present invention;

fig. 4 is an exploded view of a cap assembly according to an embodiment of the present invention.

Wherein the reference numerals in the drawings are as follows:

100-a cap assembly;

110-a top cover;

110 a-a viewing window;

110 b-a third via;

120-a protective film;

120 a-a light transmitting region;

120 b-key area;

200-a display assembly;

210-a circuit board;

210 a-a first via;

210 b-a second via;

210 c-a first card slot;

210 d-abdication opening;

210 e-a fourth via;

220-a mounting frame;

220 a-a clamping hole;

220 b-first key hole;

221-positioning columns;

222-a support plate;

223-a first buckle;

230-a display screen;

300-a base;

300 a-a limit groove;

300 b-avoidance slot;

310-mounting posts;

320-positioning ribs;

330-reinforcing ribs;

400-an elastic member;

500-a spacing assembly;

510-screw post;

520-fasteners.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must be provided with a particular orientation, constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 is an exploded view of a display structure according to an embodiment of the present invention, and the display structure according to the embodiment of the present invention includes: the top cover assembly 100, the display assembly 200, the chassis 300, and the elastic member 400; as shown in fig. 2, the top cover assembly 100 is covered on the base 300, and a receiving cavity Q is formed between the top cover assembly 100 and the base 300; the elastic member 400 serves to support the display assembly 200 in the receiving cavity Q, and the elastic member 400 serves to make the display assembly 200 fit to the top cover assembly 100.

It should be noted that, in order to ensure that the display assembly 200 is attached to the top cover assembly 100, the elastic member 400 is in a natural state or a compressed state. Here, the natural state refers to a state in which no deformation occurs.

It will be appreciated that the cap assembly 100 is provided with a viewing area and the display assembly 200 is aligned with the viewing area such that a user can access information displayed on the display assembly 200 through the viewing area of the cap assembly 100.

As described above, in the display structure, the elastic member 400 is used to support the display module 200 in the accommodating cavity Q formed by the matching between the top cover module 100 and the base 300 and to make the display module 200 fit with the top cover module 100, so that the problem of non-uniform distance between the display module 200 and the top cover module 100 due to assembly error is solved, the display effect of the display module 200 is improved, and the use performance and user experience of the display structure are improved.

In some embodiments of the present invention, as shown in FIG. 3, a display assembly 200 comprises: a circuit board 210, a mounting block 220 disposed on the circuit board 210, and a display screen 230 disposed on the mounting block 220 and electrically connected to the circuit board 210; the display screen 230 is attached to the cover assembly 100; the elastic member 400 is disposed between the circuit board 210 and the base 300.

Optionally, the mounting bracket 220 is provided with a clamping hole 220a, and the display screen 230 is clamped in the clamping hole 220 a. Wherein, a supporting plate 222 is disposed on at least one side wall of the fastening hole 220a, and the display screen 230 can be placed on the supporting plate 222, which is beneficial to fixing itself.

Optionally, at least one first key hole 220b (see fig. 3) is further disposed on the mounting frame 220; at least one key (not shown in the drawings) is disposed on the circuit board 210 and is exposed to the outside of the top cover assembly 100 through the corresponding first key hole 220 b. The user can adjust the operating parameters of the electrical appliance electrically connected with the display structure by pressing different keys. Wherein, button, first button hole 220b all follow display element 200's axis symmetric distribution, so, can improve the aesthetic property that shows the structure, and then can improve user experience. In addition, regarding the number of the keys and the first key holes 220b, the embodiment of the present invention is not limited specifically, for example, 4 keys are provided.

Optionally, the mounting bracket 220 is connected to the circuit board 210 by using a snap or a screw, so as to facilitate replacement of the circuit board 210. When the snap connection is adopted, as shown in fig. 3, the mounting frame 220 is provided with a plurality of first snaps 223 at intervals along the edge thereof, and the circuit board 210 is provided with a plurality of first card slots 210 c. Wherein, the first buckle 223 and the first card slot 210c are distributed along the central axis line of the display assembly 200. With respect to the number of the first buckles 223 and the first card slots 210c, the embodiment of the present invention is not particularly limited, for example, 6 buckles are provided.

Optionally, as shown in fig. 3, at least one positioning column 221 is disposed on the mounting rack 220; the circuit board 210 is provided with at least one second through hole 210b, and the second through hole 210b is used for allowing the corresponding positioning column 221 to penetrate through. The positioning posts 221 are pre-positioned when the circuit board 210 is mounted by fitting with the second through holes 210 b. The positioning posts 221 may be integrally formed with the mounting frame 220. For example, 3 positioning pillars 221 and 3 second through holes 210b are respectively disposed, wherein 2 positioning pillars 221 and 2 second through holes 210b are symmetrically distributed along the central axis of the display assembly 200, and the remaining 1 positioning pillar 221 and 1 second through hole 210b are distributed on the central axis of the display assembly 200. Further, as shown in fig. 1, the base 300 is provided with at least one escape groove 300 b; one end of the positioning post 221 away from the top cover assembly 100 is located in the corresponding avoiding groove 300 b. Thus, the thickness of the display structure can be reduced, and the structure of the display structure can be made compact. The distribution positions and the arrangement numbers of the avoiding grooves 300b are the same as those of the positioning columns 221.

Optionally, as shown in fig. 1, at least one positioning rib 320 is disposed on the base 300, and the positioning rib 320 is used to prevent the circuit board 210 from deviating. Wherein the positioning ribs 320 may be integrally formed with the base 300. In addition, the positioning ribs 320 may be distributed at intervals along a sidewall of the base 300.

Optionally, as shown in fig. 1, at least one reinforcing rib 330 is further disposed on the base 300, and as shown in fig. 3, at least one abdicating opening 210d is disposed on the circuit board 210, and the abdicating opening 210d is used for abdicating the corresponding reinforcing rib 330. Wherein the reinforcing ribs 330 may be integrally molded with the base 300. In addition, two reinforcing ribs 330 may be symmetrically distributed along the central axis of the base 300.

In some embodiments of the present invention, as shown in fig. 1, at least one first through hole 210a is disposed on the circuit board 210; at least one mounting column 310 is arranged on the base 300, and one end of the mounting column 310, which is far away from the base 300, penetrates through the corresponding first through hole 210 a; the elastic member 400 is sleeved on the corresponding mounting post 310. The elastic member 400 may effectively support the circuit board 210 along the mounting post 310. Of course, the elastic member 400 may be fixed to the base 300 by welding when applied.

Alternatively, the mounting post 310 may be integrally formed with the base 300. The number and the installation position of the installation posts 310 are respectively the same as those of the elastic members 400.

Further, in some embodiments of the present invention, as shown in fig. 1, at least one limiting groove 300a is disposed on the base 300; the mounting posts 310 are connected to the bottoms of the corresponding limiting grooves 300a, and one end of the elastic member 400, which is far away from the top cover assembly 100, is disposed in the corresponding limiting groove 300 a. Thus, the elastic member 400 can be deformed in the thickness direction of the display structure to effectively support the display module 200, and the thickness of the display structure can be reduced to make the display structure compact. The number and the installation position of the limiting grooves 300a are respectively the same as those of the installation posts 310.

In some embodiments of the invention, the resilient member 400 is one or more of a spring (see fig. 1) or a rubber. When the elastic member 400 is made of rubber, the rubber is annular so as to be fitted over the mounting post 310.

In some embodiments of the present invention, as shown in fig. 1, the number of the elastic member 400, the first through hole 210a, the mounting post 310 and the limiting groove 300a is plural, and the number of the four corresponding to one another is plural. All of the elastic members 400 may be made of a spring or rubber, or a part of the elastic members 400 may be made of a spring and another part of the elastic members 400 may be made of rubber.

Alternatively, the elastic members 400 are symmetrically disposed along the central axis of the display assembly 200, so that the display assembly 200 can be effectively supported. In addition, the number of the elastic members 400 may be specifically set according to the structure of the display module 200, for example, if the cross section of the display module 200 is substantially rectangular, one elastic member 400 is disposed at each corner of the display module 200, or one elastic member 400 is disposed at each of two corners of the display module 200 symmetrically disposed about the central axis, and two elastic members 400 are symmetrically disposed about the central axis at the side wall of the display module 200 opposite to the two corners.

In some embodiments of the present invention, as shown in fig. 1, at least one position limiting assembly 500 is disposed on the base 300, and the position limiting assembly 500 is configured to have a stopper portion thereon, and the stopper portion is configured to limit a range of movement of the display assembly 200 toward the top cover assembly 100 under a supporting force of the elastic member 400. The blocking portion of the spacing assembly 500 may prevent the elastic member 400 from bouncing the display assembly 200 open when the display assembly 200 is mounted.

Wherein, the position limiting assembly 500 can be symmetrically distributed along the central axis of the display assembly 200. The number of the limiting members 500 is not particularly limited in the embodiments of the present invention, for example, two limiting members 500 are symmetrically disposed along the central axis of the display assembly 200 as shown in fig. 1.

In some embodiments of the present invention, as shown in fig. 1, the position limiting assembly 500 comprises: a screw post 510 mounted on the base 300 and a fastener 520 threadedly coupled to an end of the screw post 510 remote from the base 300; the circuit board 210 is mounted on the stud 510 and can slide in a direction from the base 300 to the header assembly 100 until it abuts the head of the fastener 520. The circuit board 210 is provided with a fourth through hole 220e (see fig. 3) for the screw column 510 to pass through, and the diameter of the fourth through hole 220e is smaller than the diameter of the head of the corresponding fastener 520. It will be appreciated that the fastener 520 constitutes a stop for the stop assembly 500.

Alternatively, the screw post 510 may be integrally formed with the base 300. Wherein the fastener 520 is a screw.

In some embodiments of the present invention, as shown in fig. 4, the cap assembly 100 includes: a top cover 110 connected with the base 300, wherein the top cover 110 is provided with an observation window 110 a; a protective film 120 covering the observation window 110 a; the display 230 is attached to the protective film 120 through the viewing window 110 a. In this manner, a user may be facilitated to view information on the display screen 230.

Of course, if the size of the display 230 is larger than the size of the viewing window 110a for production or other purposes, the thickness of the top cover 110 and thus the distance between the display 230 and the protective film 120 can be reduced for the user to view the information on the display 230.

Optionally, the protective film 120 is adhesively bonded to the top cover 110. As shown in fig. 4, the protective film 120 is provided with a light-transmitting area 120a and at least one key area 120 b; the light-transmissive area 120a is aligned with the display 230 and the key area 120b is aligned with the corresponding key. Wherein the viewing window 110a cooperates with the light transmissive region 120a to form a viewing area of the cap assembly 100. It should be noted that the number and the distribution positions of the key regions 120b are the same as those of the keys on the circuit board 210, respectively. In addition, the top cover 110 is provided with third through holes 110b for the keys to pass through, and the number and the distribution positions of the third through holes 110b are respectively the same as those of the keys on the circuit board 210.

Optionally, the top cover 110 is snap-fit to the base 300. Wherein, a plurality of second fasteners (not shown in the drawings) are arranged on the top cover 110, and a plurality of second clamping grooves are arranged on the base 300. The embodiment of the invention does not specifically limit the number of the second buckles and the second card slots, and only needs to ensure that the number of the second buckles and the number of the second card slots are the same.

In another aspect, another embodiment of the present invention provides an electric appliance, including: the display structure described above.

As an example, the appliance may be a household appliance (e.g., a water softener, a water purifier, a cooling fan, etc.) or other type of appliance.

As an example, the base 300 of the display structure may be mounted on the housing of the appliance by means of screws or snaps. Further, be provided with the locating frame on the shell of electrical apparatus, base 300 can arrange in this locating frame earlier, then fixes through screw or buckle, so, is convenient for base 300's quick installation. For example, if the outer contour of the base 300 is substantially rectangular, the inner contour of the positioning frame is also substantially rectangular.

As an example, the circuit board 210 of the display assembly 200 of the display structure is electrically connected to a main control board of the electrical appliance by using an electric wire, so that the main control board transmits information to a user through the display screen 230 of the display assembly 200, for example, when the electrical appliance is a water purifier, the display screen 230 can display the water level of the water purifier.

As described above, in the electrical appliance, the elastic member 400 of the display structure is used to support the display module 200 in the accommodating cavity Q formed by the matching between the top cover module 100 and the base 300 and to make the display module 200 fit with the top cover module 100, so that the problem of non-uniform distance between the display module 200 and the top cover module 100 due to assembly error is solved, the display effect of the display module 200 is improved, and the use performance and user experience of the display structure are improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (13)

1. A display structure, comprising: a top cover assembly (100), a display assembly (200), a base (300) and an elastic member (400);

the top cover assembly (100) is covered on the base (300), and a containing cavity (Q) is formed between the top cover assembly (100) and the base (300) in a matching way;

the elastic member (400) is used for supporting the display assembly (200) in the accommodating cavity (Q), and the elastic member (400) is used for enabling the display assembly (200) to be attached to the top cover assembly (100).

2. The display structure according to claim 1, wherein the display assembly (200) comprises: the display screen comprises a circuit board (210), a mounting rack (220) arranged on the circuit board (210), and a display screen (230) arranged on the mounting rack (220) and electrically connected with the circuit board (210);

the display screen (230) is attached to the top cover assembly (100);

the elastic piece (400) is arranged between the circuit board (210) and the base (300).

3. The display structure according to claim 2, wherein the circuit board (210) is provided with a first through hole (210 a);

the base (300) is provided with an installation column (310), and one end of the installation column (310) far away from the base (300) penetrates through the first through hole (210 a);

the elastic piece (400) is sleeved on the mounting column (310).

4. The display structure according to claim 3, wherein the base (300) is provided with a limiting groove (300 a);

the mounting column (310) is connected with the corresponding groove bottom of the limiting groove (300a), and one end, far away from the top cover assembly (100), of the elastic piece (400) is arranged in the limiting groove (300 a).

5. The display structure according to any one of claims 2 to 4, wherein the elastic member (400) is one or more of a spring or a rubber.

6. The display structure according to any one of claims 2 to 4, wherein the number of the elastic member (400), the first through hole (210a), the mounting post (310) and the limiting groove (300a) is plural, and the four are in one-to-one correspondence.

7. The display structure according to any one of claims 2 to 4, wherein a limiting member (500) is disposed on the base (300), and the limiting member (500) has a blocking portion for limiting a range of movement of the display member (200) toward the cover member (100) under a supporting force of the elastic member (400).

8. The display structure according to claim 7, wherein the spacing assembly (500) comprises: a screw post (510) mounted on the base (300) and a fastener (520) threadedly coupled to an end of the screw post (510) remote from the base (300);

the circuit board (210) is sleeved on the screw column (510), and the circuit board (210) can slide along the direction from the base (300) to the top cover assembly (100) until abutting against the head of the fastener (520) when being assembled.

9. The display structure according to any one of claims 2 to 4, wherein the mounting frame (220) is provided with positioning posts (221), and the circuit board (210) is provided with second through holes (210 b); or the mounting rack (220) is provided with the second through hole (210b), and the circuit board (210) is provided with the positioning column (221);

the second through hole (210b) is used for enabling the positioning column (221) to penetrate through.

10. The display structure according to claim 9, wherein an escape groove (300b) is provided on the base (300);

one end of the positioning column (221) far away from the top cover assembly (100) is positioned in the avoiding groove (300 b).

11. The display structure according to any one of claims 2 to 4, wherein a positioning rib (320) is provided on the base (300), the positioning rib (320) being used for preventing the circuit board (210) from being deviated.

12. The display structure according to any one of claims 2 to 4, wherein the top cover assembly (100) comprises: the top cover (110) is connected with the base (300), and an observation window (110a) is arranged on the top cover (110);

a protective film (120) covering the observation window (110 a);

the display screen (230) is attached to the protective film (120) through the viewing window (110 a).

13. An electrical appliance comprising a display structure according to any one of claims 1 to 12.

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