Five-way key and display device

Abstract

The application provides a five-way key and a display device. A key cap of the five-way key comprises a cap body and at least two clamping ribs. The cap body has an open accommodating cavity at a bottom end. The at least two clamping ribs are arranged on an inner wall of the accommodating cavity and are used for clamping and interference fit with a push rod of the five-way key. The technical scheme of the application realizes close connection of the key cap and the push rod of the five-way key through interference fit, ensures flexible and accurate operation of the five-way key by a user, and avoids complex assembly of the existing five-way key and reduces generation of a defective rate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of five-way key, and particularly relates to a five-way key and a display device. BACKGROUND

[0002] With the development of the direction manipulator of computer, liquid crystal display, mobile phone and similar products such as game machine, mobile phone roller and the like towards the direction of function concentration, they all concentrate multiple operation functions on one function key. The five-way key is widely used in electronic equipment such as mobile phone, computer and liquid crystal display due to its convenient and flexible operation and small space occupation.

[0003] The key cap of the existing five-way key is fixed on the push rod, and the fixing mode of the push rod and the key cap is that the glue is bonded through a polycondensation chemical reaction under the catalysis of a small amount of water in the air. The existing five-way key has problems such as complex assembly process, high defective rate, high cost, poor key cap universality, and non-replaceable key cap loss.

[0004] The contents in the background section are only the known technologies of the inventor, and do not necessarily represent the prior art in the field. SUMMARY

[0005] The present application aims to provide a five-way key and a display device, and solve the problems of the existing five-way key such as complex assembly process, high defective rate, high cost, poor key cap universality and non-replaceable key cap loss.

[0006] According to an aspect of the present application, a five-way key is provided, and the key cap of the five-way key comprises a cap body and at least two clamping ribs, wherein the cap body has an open accommodating cavity at the bottom end; and the at least two clamping ribs are arranged on the inner wall of the accommodating cavity and used for clamping and interference fit with the push rod of the five-way key.

[0007] According to some embodiments, the cap body and the at least two clamping ribs are integrally formed.

[0008] According to some embodiments, the at least two clamping ribs comprise two pairs of clamping ribs, and the clamping ribs are distributed at 90° on the inner wall of the accommodating cavity.

[0009] According to some embodiments, the at least two clamping ribs comprise positive clamping ribs, and the positive clamping ribs have clamping surfaces, and the normal line of the clamping surface points to the axis of the accommodating cavity in the radial direction.

[0010] According to some embodiments, the positive clamping ribs are provided with arc-shaped elastic arms therebetween.

[0011] According to some embodiments, the positive clamping ribs are slightly deformed, and the arc-shaped elastic arms are deformed outward, so that the push rod of the five-way key is clamped between the positive clamping ribs.

[0012] According to some embodiments, the at least two clamping ribs comprise oblique clamping ribs, which are inclined clockwise along the circumference of the accommodating cavity.

[0013] According to some embodiments, the oblique clamping ribs are slightly deformed towards the inclined direction and the arc-shaped elastic arms are deformed towards the outside, so that the push rod of the five-way key is clamped between the oblique clamping ribs.

[0014] According to some embodiments, the oblique clamping ribs are inclined clockwise by 45°-60° along the circumference of the accommodating cavity.

[0015] According to some embodiments, the opening end of the accommodating cavity is provided with a chamfer for the push rod of the five-way key to enter the accommodating cavity.

[0016] According to an aspect of the present application, a display device is provided, comprising the five-way key as described above.

[0017] Based on the above-described five-way key and display device, the normal clamping ribs or oblique clamping ribs are arranged on the inner wall of the accommodating cavity of the keycap, so that the push rod of the five-way key is interference-fitted in the accommodating cavity of the keycap, thereby simplifying the assembly process of the five-way key, reducing the processing and assembly costs, improving the yield, and improving the versatility of the keycap of the five-way key, and the keycap can be replaced in the case of damage.

[0018] For a further understanding of the features and technical contents of the present application, please refer to the following detailed description and drawings of the present application. However, the description and drawings are only used to illustrate the present application, and do not limit the protection scope of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The embodiments of the present disclosure will be described in detail below with reference to the drawings. Here, the drawings constituting a part of the present disclosure are used to provide a further understanding of the present disclosure. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure, and do not constitute an improper limitation on the present disclosure. In the drawings:

[0020] Figure 1 A structure schematic diagram of a five-way key according to an example embodiment of the present application is shown.

[0021] Figure 2 A structure schematic diagram of a keycap according to an example embodiment of the present application is shown.

[0022] Figure 3 A structure schematic diagram of a normal clamping rib keycap according to an example embodiment of the present application is shown.

[0023] Figure 4 A cross-sectional schematic diagram of a normal clamping rib keycap according to an example embodiment of the present application is shown.

[0024] Figure 5 Fig. 6 shows a schematic view of an assembled structure of a forward clamping rib key cap and a push rod according to an example embodiment of the present application.

[0025] Figure 6 Fig. 7 shows a schematic view of a structure of a diagonal clamping rib key cap according to an example embodiment of the present application.

[0026] Figure 7 Fig. 8 shows a schematic view of a cross-sectional view of a diagonal clamping rib key cap according to an example embodiment of the present application.

[0027] Figure 8 Fig. 9 shows a schematic view of an assembled structure of a diagonal clamping rib key cap and a push rod according to an example embodiment of the present application. DETAILED DESCRIPTION

[0028] In the following certain example embodiments are simply described. As will be realized by those skilled in the art, the described embodiments can be modified in various different ways without departing from the spirit or scope of the application. Therefore, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

[0029] In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are merely for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated thereby. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0030] In the description of the present application, it is to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected; can be mechanical connection, or electrical connection or can communicate with each other; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between 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.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] The following disclosure provides many different embodiments or examples for implementing various structures of the invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0033] With the popularization of touch panel technology, there is a trend of replacing buttons on monitors with five-way buttons. This is because the original buttons on monitors can only be used for simpler control interfaces or to install multiple buttons and integrate hardware and software control. Therefore, monitors use five-way buttons to achieve a more intelligent control interface.

[0034] Currently, most LCD monitors on the market are equipped with a five-way navigation key. Keycaps need to be installed on the keycap's actuator. The existing keycap manufacturing process is complex. After manufacturing, the keycap is installed on the actuator, requiring a dispensing machine to drip glue between the keycap and the actuator, then a board is used for fixation. After the glue has partially hardened, the board is removed, and the five-way navigation key's functionality needs to be tested. After the glue has fully hardened, the keycap's feel also needs to be tested. Because the five-way navigation key has limited impact resistance, and the keycaps installed on it need to be at a certain height above the surrounding area to provide a good feel, the current process of assembling the keycaps onto the actuator is complex, has a high defect rate, high cost, poor keycap compatibility, and the inability to replace worn-out keycaps.

[0035] This application aims to solve the aforementioned problems with the keycaps of existing five-way navigation keys.

[0036] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this application.

[0037] Figure 1An assembled structure schematic diagram of a five-way key according to an example embodiment of the present application is shown. Figure 2 A structure schematic diagram of a key cap according to an example embodiment of the present application is shown.

[0038] As shown, according to an example embodiment of the present application, the present application discloses a five-way key, a key cap 100 of the five-way key comprises a cap body 101 and at least two clamping ribs, wherein the cap body 101 has an open accommodating cavity at the bottom end; the at least two clamping ribs are arranged on the inner wall of the accommodating cavity and used for clamping and interference fit with a push rod 210 of a five-way key 200. Figures 1-2

[0039] The present application utilizes the at least two clamping ribs arranged on the inner wall of the accommodating cavity of the cap body 101, the accommodating space between the at least two clamping ribs can be slightly deformed, the push rod 210 of the five-way key 200 is inserted between the at least two clamping ribs, and the push rod 210 is interference fit between the at least two clamping ribs through the slight deformation of the at least two clamping ribs. Thus, the key cap 100 and the push rod 210 are fixed without using glue, the key cap 100 can be firmly fixed on the push rod 210, and the assembly process of the key cap 100 becomes simpler.

[0040] The at least two clamping ribs in the present application can be a pair of clamping ribs arranged oppositely on the inner wall of the accommodating cavity of the cap body 101, or two pairs of clamping ribs arranged on the inner wall of the accommodating cavity at an angle of 90°. The number of the at least two clamping ribs is not limited in the present application and can be designed according to the actual demand of the key cap 100. In the present application, two pairs of clamping ribs are arranged on the inner wall of the accommodating cavity of the cap body 101. Of course, the adjacent clamping ribs can be arranged at other angles, as long as the same effect of interference fit between the clamping ribs and the push rod can be achieved. The clamping ribs arranged in pairs in the present application can be arranged oppositely on the inner wall of the accommodating cavity of the cap body 101, or the clamping ribs in the present application can not be arranged oppositely, the adjacent clamping ribs can be arranged at any angle, as long as the interference fit between the clamping ribs and the push rod can be achieved. For example, three clamping ribs can be arranged on the inner wall of the accommodating cavity of the cap body 101 at an angle of 60° (not shown in the figure).

[0041] In the present application, the shape and size of the cap body 101 of the key cap 100 can be designed according to the actual demand of the product, which is not limited in the present application. The existing key cap 100 has poor universality, because the demand of the five-way key 200 used in different products is different, so different key caps 100 need to be produced for each product to meet each product. The key cap 100 in the present application has good universality, the appearance of the cap body 101 can be designed to have a unified shape, and only the interference fit of the at least two clamping ribs with the push rod 210 of different models of the five-way key 200 is needed.

[0042] ​In addition, if the keycap 100 is damaged, the existing product can need to replace the entire five-way key 200, but the present application can remove the keycap 100 and only replace the keycap 100, thereby reducing the cost of the entire product. Since the cap body 101 of the keycap 100 of the present application can be slightly deformed, the impact force can be buffered to protect the internal structure of the five-way key 200 under the impact of external force. On the other hand, the cap body 101 uses a slightly deformed material, which can also increase the touch feeling.

[0043] According to the embodiment of the present application, the cap body 101 and the at least two clamping ribs are integrally formed, that is, the keycap is integrally formed. The keycap 100 in the present application can be processed by designing a related product mold and using injection molding or 3D printing process, which is not limited in the present application. The processing means can be selected according to the actual needs of the keycap 100.

[0044] The structure of the at least two clamping ribs in the present application includes a forward clamping rib 110 and an inclined clamping rib 130. The forward clamping rib 110 or the inclined clamping rib 130 can penetrate through the entire accommodating cavity of the cap body 101.

[0045] Figure 3 A structure schematic diagram of a forward clamping rib keycap according to an example embodiment of the present application is shown. Figure 4 A cross-sectional schematic diagram of a forward clamping rib keycap according to an example embodiment of the present application is shown. Figure 5 An assembly structure schematic diagram of a forward clamping rib keycap and a push rod according to an example embodiment of the present application is shown.

[0046] As shown in Figures 3-5 According to the embodiment of the present application, the at least two clamping ribs include a forward clamping rib 110, and the forward clamping rib 110 has a clamping surface, and the normal line of the clamping surface points to the axis of the accommodating cavity along the radial direction. An arc-shaped elastic arm 120 is arranged between adjacent forward clamping ribs 110. In the present application, two pairs of forward clamping ribs 110 can be arranged on the inner wall of the accommodating cavity of the cap body 101.

[0047] In the present application, the two pairs of forward clamping ribs 110 are distributed on the inner wall of the accommodating cavity at an angle of 90°. Of course, the number of pairs of forward clamping ribs 110 is not limited in the present application, and can be arranged according to actual needs. One pair of forward clamping ribs 110 can also be arranged on the inner wall of the accommodating cavity of the cap body 101. The arc-shaped elastic arm 120 arranged between the forward clamping ribs 110 makes the clamping force of the forward clamping rib 110 greater and the elasticity better.

[0048] The arc-shaped elastic arm 120 bends outward from the receiving cavity of the cap body 101. The degree of curvature can change the clamping force of the positive clamping rib 110. The end of the arc-shaped elastic arm 120 is connected to the side of the positive clamping rib 110, which is adjacent to the two sides of the surface abutting the push rod 210. The clamping force of the positive clamping rib 110 can be adjusted by changing the curvature of the arc-shaped elastic arm 120. In this application, the tangent of the arc at the end of the arc-shaped elastic arm 120 can be perpendicular to the side of the positive clamping rib 110, or the tangent of the arc at the end of the arc-shaped elastic arm 120 can be set at an angle to the side of the positive clamping rib 110.

[0049] When the push rod 210 of the five-way key 200 is inserted between the positive clamping ribs 110, the positive clamping ribs 110 deform slightly and the arc-shaped elastic arm 120 deforms outward. At this time, the fitting dimensions of the receiving cavity of the cap 101 are the same as the dimensions of the push rod 210, so that the push rod 210 is clamped between the positive clamping ribs 110. This makes the assembly and disassembly of the keycap 100 and the push rod 210 more convenient, and the five-way key 200 can be assembled and disassembled by physical changes.

[0050] In this application, the bottom of the receiving cavity of the cap body 101 has a boss 140. When the push rod 210 is inserted into the receiving cavity of the cap body 101, the boss 140 abuts against the top of the push rod 140. The function of the boss 140 is to maintain the insertion depth of the push rod 210 within the receiving cavity. Figures 4 to 5 visible.

[0051] In this application, the opening end of the receiving cavity on the cap body 101 is chamfered to guide the push rod 210 of the five-way key 200 into the receiving cavity, making assembly more convenient.

[0052] The keycap 100 can be made of ABS resin, which allows it to be slightly deformable.

[0053] Figure 6 A schematic diagram of the structure of the oblique clamping rib keycap according to an example embodiment of this application is shown. Figure 7 A cross-sectional schematic diagram of an oblique clamping rib keycap according to an example embodiment of this application is shown. Figure 8 This diagram illustrates the assembly structure of the oblique clamping rib keycap and push rod according to an example embodiment of this application.

[0054] like Figures 6-8 As shown in the embodiment of this application, at least two clamping ribs include oblique clamping ribs 130. The oblique clamping ribs 130 are inclined clockwise along the circumference of the receiving cavity, and the normal of the clamping surface of the oblique clamping ribs 130 points to the axis along the radial direction of the receiving cavity. In this application, two pairs of oblique clamping ribs 130 can be respectively arranged opposite to each other on the inner wall of the receiving cavity of the cap body 101.

[0055] The oblique clamping ribs 130 in the present application can also be provided with arc-shaped elastic arms 120 between adjacent oblique clamping ribs 130.

[0056] In the present application, two pairs of oblique clamping ribs 130 are distributed on the inner wall of the accommodating cavity at an angle of 90°. Of course, the number of pairs of oblique clamping ribs 130 is not limited in the present application, and can be set according to actual needs. One pair of oblique clamping ribs 130 can also be used, and the oblique clamping ribs 130 are arranged on the inner wall of the accommodating cavity of the cap body 101 in a clockwise direction and opposite to each other. The oblique clamping ribs 130 can also be connected by arc-shaped elastic arms 120, so that the clamping force of the oblique clamping ribs 130 is greater and the elasticity is better.

[0057] Alternatively, the curvature of the arc-shaped elastic arm 120 is curved towards the outside of the accommodating cavity of the cap body 101. The size of the curvature can change the clamping force of the oblique clamping rib 130. The end of the arc-shaped elastic arm 120 is connected to the side surface of the oblique clamping rib 130, and the side surface is the two sides of the surface adjacent to the abutting push rod 210. The clamping force of the oblique clamping rib 130 can be adjusted by changing the curvature of the arc-shaped elastic arm 120. In the present application, the tangent of the curvature of the end of the arc-shaped elastic arm 120 can be perpendicular to the inclined side surface of the oblique clamping rib 130, or the tangent of the curvature of the end of the arc-shaped elastic arm 120 can be arranged at an angle with the inclined side surface of the oblique clamping rib 130.

[0058] When the push rod 210 of the five-way key 200 is inserted between the oblique clamping ribs 130, the oblique clamping ribs 130 are slightly deformed in the inclined direction and the arc-shaped elastic arms 120 are deformed outward. At this time, the fitting size of the accommodating cavity of the cap body 101 is the same as the size of the push rod 210, so that the push rod 210 is clamped between the oblique clamping ribs 130. Thus, the assembly and disassembly of the key cap 100 and the push rod 210 are more convenient, and the five-way key 200 can be assembled and disassembled in a physical change manner.

[0059] According to the embodiment of the present application, the oblique clamping ribs 130 are inclined in a clockwise direction by 45°-60° along the circumference of the accommodating cavity. In the present application, the inclination angle is 60°, so that the clamping effect of the oblique clamping rib 130 is better.

[0060] In the present application, the bottom of the accommodating cavity of the cap body 101 has a boss 140. When the push rod 210 is inserted into the accommodating cavity of the cap body 101, the boss 140 abuts against the top of the push rod 140. The boss 140 serves to maintain the embedding depth of the push rod 210 in the accommodating cavity. The boss 140 can also be used to prevent the push rod 210 from being inserted too deep into the accommodating cavity. Figures 7 to 8 It can be seen.

[0061] According to the embodiment of the present application, the opening end of the accommodating cavity on the cap body 101 is provided with a chamfer, which is used to guide the push rod 210 of the five-way key 200 into the accommodating cavity, and is more convenient for assembly.

[0062] The material of the key cap 100 can be ABS resin, so that the key cap 100 can also be slightly deformed.

[0063] The five-way key 200 in the present application is assembled on the push rod 210 of the five-way key 200 by using the key cap 100 described above, and the key cap 100 and the push rod 210 are in interference fit. The push rod 210 of the five-way key 200 in the present application can be square or circular. Therefore, the key cap 100 of the present application has good versatility. The five-way key 200 is electrically connected to the PCBA board 300 of the liquid display, and the five-way key 200 can be used as a five-way switch of the liquid display, and the operation function of the five-way key 200 can be realized by changing the direction of the push rod 210.

[0064] According to the example embodiments of the present application, a display device is disclosed, which includes the key cap 100 as described above. Through the above description of the key cap 100 of the present application, the key cap 100 of the present application can be applied to the display device and the keys thereof, so as to solve the problem of complicated assembly process of the existing keys, and reduce the cost, improve the yield, and improve the versatility of the key cap 100 of the keys, and the new key cap 100 can be replaced in the case of damage of the key cap 100.

[0065] Finally, it should be noted that: the above only describes the example embodiments of the present disclosure, and does not limit the present disclosure. Although the present disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A five-way key, characterized in that, The key cap of the five-way key comprises: a cap body having an open receiving cavity at the bottom end; at least two clamping ribs arranged on the inner wall of the receiving cavity for clamping and interference fit with the push rod of the five-way key, the at least two clamping ribs comprising: forward clamping ribs having clamping surfaces with normal lines pointing to the axis of the receiving cavity in the radial direction, and arc-shaped elastic arms arranged between the forward clamping ribs; oblique clamping ribs obliquely inclined clockwise along the circumferential direction of the receiving cavity.

2. The five-way key of claim 1, wherein, The cap body and the at least two clamping ribs are integrally formed.

3. The five-way key of claim 1, wherein, The at least two clamping ribs comprise: two pairs of clamping ribs distributed on the inner wall of the receiving cavity at an angle of 90°.

4. The five-way key of claim 1, wherein, The forward clamping ribs are slightly deformed and the arc-shaped elastic arms are deformed outward, so that the push rod of the five-way key is clamped between the forward clamping ribs.

5. The five-way key of claim 1, wherein, The oblique clamping ribs are slightly deformed in the oblique direction and the arc-shaped elastic arms are deformed outward, so that the push rod of the five-way key is clamped between the oblique clamping ribs.

6. The five-way key of claim 1, wherein, The oblique clamping ribs are obliquely inclined clockwise by an angle of 45°-60° along the circumferential direction of the receiving cavity.

7. The five-way key of claim 1, wherein, The open end of the receiving cavity is provided with a chamfer for the push rod of the five-way key to enter the receiving cavity.

8. A display device, characterized by comprising: The five-way key comprises the five-way key as claimed in any one of claims 1-7.

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