Operation panel provided with keyboard and used for high-oil-stain occasions

Abstract

The utility model discloses an operation panel with a keyboard for a high-oil-stain occasion, which comprises a panel shell, a PCB (printed circuit board) is arranged in the panel shell, panel ribs are arranged on the inner wall of the top of the panel shell corresponding to the PCB, a plurality of mounting grooves are arranged among the panel ribs, each mounting groove is movably provided with a key, each key comprises a key main body and a light guide column, and the light guide columns are arranged in the key main bodies. The key body and the light guide column are integrally formed in an injection molding mode, a fixing plate is arranged below the installation groove, a protective film is arranged on the upper surface of the fixing plate in an attached mode, and the protective film is in close contact with the panel ribs. According to the utility model, the structural design of integral injection molding of the key main body and the light guide column is adopted, respective mold opening injection molding is not needed, the mold cost is reduced, the key main body and the light guide column can be integrally assembled, and the assembly efficiency of a product is improved; according to the utility model, the structural design of the protective film is also adopted, the protective film is tightly pressed on the panel ribs through the fixing plate, and the silica gel protective film can effectively prevent greasy dirt from invading the PCB.

Description

TECHNICAL FIELD

[0001] The utility model relates to operation panel technical field, concretely relates to a keyboard operation panel for high oil pollution occasion. BACKGROUND

[0002] Operation panel refers to the interface for controlling and operating equipment, and is usually composed of keys, switches, display screens and other elements. It is the bridge and link between equipment and people. Through the operation panel, users can realize the functions of starting, stopping and adjusting the equipment.

[0003] In order to indicate the working state and other information to the user, the operation panel is usually provided with an indicator light. The light column is used to guide the propagation of light. The main function of the light column is to efficiently conduct light from one light source (such as LED) to the other end of the key or the entire key surface. The existing light column is usually an independent part separated from the adjacent keys and other parts. The keys and the light column need to be made into corresponding molds respectively by opening molds, which leads to the increase of mold cost. At the same time, the assembly of two parts is involved, which reduces the assembly efficiency of the product.

[0004] At the same time, in some high oil pollution occasions, the staff often have oil on their hands. When using the operation panel, the oil on the hands is easy to flow into the panel shell, which causes various problems such as unresponsive keys on the PCB key module and damage of LED lamp on the PCB key module, and the replacement cost is high. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of the prior art, and provides a keyboard operation panel for high oil pollution occasions, so as to solve the problems proposed in the background art.

[0006] To achieve this purpose, the utility model adopts the following technical scheme:

[0007] A keyboard operation panel for high oil pollution occasions, comprising a panel shell, a PCB board is arranged in the panel shell, a panel rib is arranged on the top inner wall of the panel shell corresponding to the PCB board, a plurality of installation grooves are arranged between the panel ribs, a key is movably arranged in each installation groove, the key comprises a key body and a light column, the light column is located at a corner of the key body, and the key body and the light column are integrally injection molded, a fixed plate is arranged below the installation groove, a protective film is arranged on the upper surface of the fixed plate, and the protective film is in close contact with the panel rib.

[0008] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the fixed plate is provided with a plurality of first fixed holes at intervals, the top inner wall of the panel shell is provided with a first threaded stud corresponding to the position of the first fixed hole, and the fixed plate is threadedly connected with the first threaded stud through the first fixed hole and the protective film, so that the protective film is in close contact with the panel rib.

[0009] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the lower surface of the fixed plate is provided with a plurality of second threaded studs at intervals, the PCB board is provided with a plurality of second fixed holes corresponding to the position of the second threaded stud, and the PCB board is threadedly connected with the second threaded stud through the second fixed hole.

[0010] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the upper surface of the PCB board is provided with a plurality of tactile switches, one side of the tactile switch is electrically connected with an LED lamp, the key body part of the key corresponds to the position of the tactile switch one by one, and the light guide column part of the key corresponds to the position of the LED lamp one by one.

[0011] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the fixed plate is provided with a through hole corresponding to the position of the key, and the key can contact the tactile switch through the through hole.

[0012] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the bottom end of the key body is provided with a circular ring corresponding to the position of the tactile switch, and the diameter of the circular ring is smaller than that of the tactile switch.

[0013] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the panel rib includes a plurality of horizontal ribs and a plurality of vertical ribs, the horizontal ribs are arranged at intervals along the length direction of the panel shell, the vertical ribs are arranged at intervals along the width direction of the panel shell, the horizontal ribs and the vertical ribs are perpendicular to each other and staggered to form a plurality of accommodation cavities, the mounting groove is arranged in the accommodation cavity, and the key is movably mounted in the mounting groove and protrudes from the upper surface of the panel shell.

[0014] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the light guide column is triangular, and the light guide column and the key body form a square key.

[0015] As a preferred solution of the keyboard operation panel for high oil pollution occasions, the key body is made of opaque material, and the light guide column is made of transparent material.

[0016] As a preferred solution of the keyboard operation panel used in high oil pollution occasions, the protective film adopts a light-transmitting silica gel material.

[0017] The utility model discloses the beneficial effect:

[0018] (1) the utility model discloses the key of operation panel adopts the structure design of integral injection molding of key main part and light guide column, need not open mold injection respectively, has reduced the mould cost, and the key main part can integral assembly with light guide column simultaneously, has improved the assembly efficiency of product, wherein the key main part is the opaque material, can laser mark character pattern, and the light guide column is transparent material, can conduct the light that LED lamp on PCB board sent, realizes the real-time state display of indicating lamp when pressing the key.

[0019] (2) the utility model discloses operation panel adopts the structure design of protective film, and the protective film is pressed tightly on the panel rib through the fixed plate, when the oil pollution on the hand of staff flows into the panel shell through the gap between the key and the installation groove, the silica gel protective film can effectively prevent the oil pollution from invading to the PCB board, improve the service life of PCB board, and the contact surface of the key bottom and the tactile switch is circular, can guarantee the feeling of uniformity when pressing the key in any position. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the utility model embodiment needed to use the drawing briefly introduced. Obviously, the following described drawings are only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0021] Figure 1 It is the whole structure schematic diagram of the keyboard operation panel for high oil pollution occasions described in the utility model.

[0022] Figure 2 It is the split structure schematic diagram of the keyboard operation panel for high oil pollution occasions described in the utility model.

[0023] Figure 3 It is the front structure schematic diagram of the key described in the utility model.

[0024] Figure 4 It is the back structure schematic diagram of the key described in the utility model.

[0025] Figure 5 It is the back structure schematic diagram of the fixed plate described in the utility model.

[0026] Figure 6 It is the structure schematic diagram of the PCB board described in the utility model.

[0027] Figure 7 is the back structure schematic diagram of the panel shell.

[0028] In the figure:

[0029] 1, panel shell; 11, first stud; 2, PCB board; 21, second fixing hole; 22, light touch switch; 23, LED lamp; 3, panel rib; 4, mounting groove; 5, key; 51, key body; 52, light guide column; 53, circular ring; 6, protective film; 7, fixed plate; 71, first fixing hole; 72, second stud; 73, through hole. DETAILED DESCRIPTION

[0030] The technical scheme of the utility model will be further illustrated below by means of specific embodiments and the drawings.

[0031] Among them, the drawing is only used for example explanation, and the representation is only a schematic diagram, not a real object drawing, and cannot be understood as a limitation of the patent; in order to better illustrate the embodiments of the utility model, some components of the drawing will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawing can be omitted.

[0032] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, the positional relationship described in the drawing is only used for example explanation, and cannot be understood as a limitation of the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, if the connection relationship between the components appears, the term should be interpreted broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0034] For example, Figure 1 And Figure 2As shown, the utility model provides a keyboard operation panel for high oil pollution occasion, including panel shell 1, panel shell 1 is provided with PCB board 2 in, the top inner wall of panel shell 1 is provided with panel rib 3 corresponding PCB board 2, a plurality of installation slot 4 are set up between panel rib 3, each installation slot 4 is movably installed with button 5, button 5 includes button main body 51 and light guide column 52 two parts, button main body 51 and light guide column 52 are integrally injection moulded, do not need to open mould injection respectively, has reduced the die cost, and simultaneously button main body 51 and light guide column 52 can integrally assemble, has improved the assembly efficiency of product;

[0035] As Figure 3 And Figure 4 As shown, the light guide column 52 of the embodiment is preferably triangular structure, the light guide column 52 is located at the corner of button main body 51 and forms a square button 5, the upper surface of the PCB board 2 is provided with a plurality of tactile switches 22, one side of the tactile switch 22 is electrically connected with an LED lamp 23, the button main body 51 part of the button 5 corresponds to the position of the tactile switch 22, and the light guide column 52 part of the button 5 corresponds to the position of the LED lamp 23; The button main body 51 is preferably made of opaque material, and can be laser marked with text and patterns; when the button 5 is pressed, the button main body 51 will contact and trigger the LED lamp 23 connected with the tactile switch 22 below, and the light guide column 52 is preferably made of transparent material, and the light guide column 52 can conduct the light emitted by the LED lamp 23, so that the LED lamp 23 displays the real-time state while the button 5 is pressed.

[0036] To solve the problem of oil invading the panel shell 1, the lower part of the installation slot 4 of the embodiment is provided with a fixed plate 7, the fixed plate 7 is provided with a through hole 73 corresponding to the position of the button 5, and the upper surface of the fixed plate 7 is provided with a protective film 6, the protective film 6 is in close contact with the panel rib 3, and the protective film 6 is preferably made of transparent silicone material; since the silicone has a certain elasticity, when the button 5 is pressed, the button 5 can contact the tactile switch 22 through the through hole 73; when the oil on the hands of the staff flows into the panel shell 1 through the gap between the button 5 and the installation slot 4, the silicone protective film 6 can effectively prevent the oil from invading the PCB board 2, thereby prolonging the service life of the PCB board 2.

[0037] As Figure 5 As shown, the fixed plate 7 of the embodiment is provided with a plurality of first fixing holes 71, and the top inner wall of the panel shell 1 is provided with a first stud 11 corresponding to the position of the first fixing hole 71; the fixed plate 7 is threadedly connected with the first stud 11 through the first fixing hole 71 and the protective film 6 by means of fasteners, so that the protective film 6 is in close contact with the panel rib 3;

[0038] As Figure 6As shown, the lower surface of the fixing plate 7 is spaced apart from a plurality of second studs 72, and the PCB 2 is provided with a plurality of second fixing holes 21 corresponding to the positions of the second studs 72, and the PCB 2 is fixed by fasteners threaded through the second fixing holes 21 and the second studs 72.

[0039] Preferably, the bottom end of the key body 51 is provided with a circular ring 53 corresponding to the position of the tactile switch 22, and the diameter of the circular ring 53 is smaller than the tactile switch 22. Compared with the cross-shaped contact surface of the prior art key, the circular ring 53 of the present embodiment can ensure that the hand feeling is uniform when pressing the key 5 at any position, and the pressing hand feeling of the key 5 is improved.

[0040] As shown, Figure 7 The panel rib 3 of the present embodiment specifically includes a plurality of horizontal ribs and a plurality of vertical ribs, the horizontal ribs are spaced apart along the length direction of the panel shell 1, the vertical ribs are spaced apart along the width direction of the panel shell 1, the horizontal ribs and the vertical ribs are perpendicular to each other and staggered to form a plurality of accommodating cavities, the mounting groove 4 is opened in the accommodating cavity, and the key 5 is movably installed in the mounting groove 4 and protrudes from the upper surface of the panel shell 1.

[0041] It should be noted that the above specific embodiments are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the present application specification and claims are not limited, but only for convenient description.

Claims

1. A keyboard-operated panel for high oil contamination environments, characterized by, The utility model provides a panel shell (1) is provided with PCB board (2) in, the top inner wall of panel shell (1) is provided with panel rib (3) corresponding PCB board (2), is provided with a plurality of installation slot (4) between panel rib (3), each installation slot (4) is movably installed key (5), key (5) includes key main part (51) and light guide column (52), light guide column (52) is located in the corner of key main part (51), and key main part (51) and light guide column (52) are integrally injection moulded, the lower portion of installation slot (4) is provided with fixed plate (7), the upper surface of fixed plate (7) is provided with protection film (6) and is closely arranged, and protection film (6) is closely contacted with panel rib (3).

2. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The first fixed hole (71) is arranged at intervals on the fixed plate (7), the first stud (11) is arranged on the top inner wall of the panel shell (1) corresponding to the position of the first fixed hole (71), and the fixed plate (7) is screwed with the first stud (11) through the first fixed hole (71) and the protection film (6) by means of fasteners, so that the protection film (6) is closely contacted with the panel rib (3).

3. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The second stud (72) is arranged at intervals on the lower surface of the fixed plate (7), and the PCB board (2) is provided with a plurality of second fixed holes (21) corresponding to the positions of the second studs (72). The PCB board (2) is screwed with the second studs (72) through the second fixed holes (21) by means of fasteners.

4. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The upper surface of the PCB board (2) is provided with a plurality of tactile switches (22), one side of the tactile switch (22) is electrically connected with an LED lamp (23), the key main part (51) part of the key (5) corresponds to the position of the tactile switch (22) one by one, and the light guide column (52) part of the key (5) corresponds to the position of the LED lamp (23) one by one.

5. The keyboard-operated panel for high oil-contaminated environments according to claim 4, characterized in that, The fixed plate (7) is provided with a through hole (73) corresponding to the position of the key (5), and the key (5) can contact the tactile switch (22) through the through hole (73).

6. The keyboard-operated panel for high oil-contaminated environments according to claim 5, characterized in that, The bottom end of the key main part (51) is provided with a circular ring (53), the circular ring (53) corresponds to the position of the tactile switch (22), and the diameter of the circular ring (53) is smaller than that of the tactile switch (22).

7. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The panel rib (3) comprises a plurality of horizontal ribs and a plurality of longitudinal ribs, the horizontal ribs are arranged at intervals along the length direction of the panel shell (1), the longitudinal ribs are arranged at intervals along the width direction of the panel shell (1), the horizontal ribs and the longitudinal ribs are perpendicular to each other and staggered to form a plurality of accommodation cavities, the installation slot (4) is arranged in the accommodation cavity, and the key (5) is movably installed in the installation slot (4) and protrudes from the upper surface of the panel shell (1).

8. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The light guide column (52) is a triangular structure, and the light guide column (52) is located at a corner of the key main part (51) to form a square key (5).

9. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The key body (51) is made of opaque material, and the light guide column (52) is made of transparent material.

10. The keyboard-operated panel for high oil-contaminated environments according to claim 1, characterized in that, The protective film (6) is made of light-transmitting silica gel material.

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