Protective cover, protective cover set and protection device

Abstract

This application relates to a protective cover, a protective cover assembly, and a protective device. The protective cover is used to cover a target component on a panel. The protective cover includes a cover body, a first guide portion, and a second guide portion on the target component. The first guide portion cooperates with the second guide portion to form a guiding limit on the covering path of the cover body. The cover body has a clearance opening to avoid interfering components located on the covering path of the cover body. The first guide portion and the second guide portion form a guiding limit on the covering path of the cover body between the cover body and the target component. The clearance opening on the cover body avoids interfering components located on the covering path of the cover body, eliminating the need to adjust the installation posture of the cover body, making the installation and disassembly of the cover body more convenient and improving the efficiency of installation and disassembly.

Description

Technical Field

[0001] This application relates to the field of maintenance auxiliary tools, and in particular to a protective cover, a protective cover assembly, and a protective device. Background Technology

[0002] During routine maintenance of passenger aircraft, some electronic panels, such as fire alarm panels, often need to be disassembled for inspection. If the mechanical locking mechanism (such as locking pin) inside the disassembled fire alarm panel is accidentally impacted, it can easily be damaged, causing the fire alarm switch to pop out abnormally. If the fire alarm switch pops out abnormally during flight, it can easily lead to a safety accident and pose a serious safety hazard.

[0003] In existing technology, some passenger aircraft (such as the Airbus A320) are equipped with protective devices that can cover or largely cover the "FIRE" button on the fire alarm panel after it has been removed. During the installation of the protective device to cover the button, there are other components (such as other buttons, knobs, etc.) in the installation path of the protective device. In order to avoid interference between the protective device and other components, the operator needs to lift the protective device and adjust it to a suitable position to avoid other components before installation. This not only requires a high level of technical proficiency from the operator, but also makes disassembly and assembly cumbersome and inefficient. Utility Model Content

[0004] Therefore, it is necessary to provide a protective cover, a protective cover assembly, and a protective device that can be easily installed on a panel to cover the target component to be protected.

[0005] This application provides a protective cover for covering a target component of a panel. The protective cover includes a cover body, the cover body having a first guide portion, and the target component having a second guide portion. The first guide portion is used to cooperate with the second guide portion to form a guiding limit on the covering path of the cover body. The cover body has an avoidance opening for avoiding interfering components located in the covering path of the cover body.

[0006] In one embodiment, the clearance opening extends through the cover in the opposite direction of the cover path.

[0007] In one embodiment, one of the first guide portion and the second guide portion is a guide groove and the other is a guide bar. The guide groove has an opening for the guide bar to enter and exit, and the opening is chamfered.

[0008] In one embodiment, the first guide portion is a guide groove that penetrates the cover body along the direction perpendicular to the cover path, so that elastic arm structures are formed on both sides of the groove plate of the guide groove.

[0009] In one embodiment, the cover is provided with a first connecting portion for connecting to the component to be connected.

[0010] In one embodiment, the first connecting portion includes a through hole provided in the cover body, the through hole being for the connecting member to pass through.

[0011] This application also provides a protective cover assembly, including multiple protective covers, which are connected to each other via the first connecting portion.

[0012] In one embodiment, the first connecting portion includes a through hole in the cover, and the protective cover is connected by a connector passing through the through hole.

[0013] This application also provides a protective device, including a protective cover and a protective shield. The protective cover is installed on the panel, and the shield is provided with a second connecting portion. When the shield is in the state of covering the target component, the protective cover is connected to the second connecting portion to restrict the shield from moving relative to the target component and thus from being removed from the covering state.

[0014] In one embodiment, the protective cover is rotatably mounted on the panel, and the target component is located in the rotation path of the protective cover.

[0015] Compared with the prior art, the protective cover, protective cover assembly and protective device provided in this application have at least the following advantages: the cover body of the protective cover and the target part are guided and limited by the first guide part and the second guide part to guide and limit the cover body's covering path; the cover body is provided with a clearance opening to avoid interfering parts located in the cover body's covering path; there is no need to adjust the installation posture of the cover body, making the installation and disassembly of the cover body more convenient and improving the efficiency of disassembly and assembly. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a perspective view of a protective cover according to an embodiment of this application;

[0018] Figure 2 This is a perspective view of a protective cover according to an embodiment of this application.

[0019] Figure 3 This is a side sectional view of a protective cover according to an embodiment of this application;

[0020] Figure 4A side view diagram illustrating the process of covering the target component with a protective cover when no clearance is provided;

[0021] Figure 5 A side view of the process of covering a target component with a protective cover according to an embodiment of this application;

[0022] Figure 6 This is a side view cross-sectional diagram of a protective cover covering a target component according to an embodiment of this application.

[0023] Figure 7 This is a side sectional view of the protective cover connecting the target component to the protective cover according to an embodiment of this application.

[0024] Figure 8 This is a perspective view of a protective cover assembly connected by a binding rope according to an embodiment of this application;

[0025] Figure 9 This is a side sectional view of the first connecting portion according to an embodiment of this application;

[0026] Figure 10 This is a side sectional view of the first connecting portion according to another embodiment of this application;

[0027] Figure 11 A top view of the A320 fire alarm panel used with a protective cover according to an embodiment of this application;

[0028] Figure 12 A top view of the panel after the protective cover has been rotated and the target component has been pressed.

[0029] Figure 13 A partial frontal view of the panel where the target component is not pressed down, to protect the cover.

[0030] Reference numerals: 100, Protective cover; 101, Cover body; 102, Cavity; 104, Clearance opening; 105, Opening; 106, Side plate; 107, Connecting plate; 108, Back plate; 109, First guide part; 110, Opening; 111, Chamfer; 112, First connecting part; 113, Through hole; 114, Second connecting part; 200, Panel; 201, Target component; 202, Interference component; 203, Second guide part; 204, Mounting hole; 300, Protective cover; 301, Side rod; 302, Connecting rod; 303, Connecting shaft; 304, Connecting hole; 400, Connecting piece. Detailed Implementation

[0031] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0032] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "upper," "lower," "left," "right," "side," "top," "bottom," and similar expressions used in this application's specification are only for describing various exemplary structural parts and elements of this application. However, the use of these terms is only for the purpose of illustration and is determined based on the exemplary orientations shown in the accompanying drawings, and does not indicate the only implementation. Since the embodiments disclosed in this application can be arranged in different orientations, these terms indicating orientation are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is 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 can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] It should be noted that "axial arrangement" means that the overall arrangement direction is along the axial direction, including but not limited to axial extension, and may be at an angle to the axial direction.

[0036] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0037] like Figures 1 to 13 As shown, this application discloses a protective cover, a protective cover assembly, and a protective device. The protective cover 100 is used to cover the target component 201 of the panel 200. For example, the protective cover 100 can be used to protect vulnerable components such as fire alarm buttons on the fire alarm panel of an Airbus A320 series aircraft, preventing them from being damaged by accidental impacts during panel disassembly and maintenance.

[0038] like Figure 1 and Figure 2 As shown, the protective cover 100 includes a cover body 101, which has a first guide portion 109, and the target component 201 has a second guide portion 203. The first guide portion 109 cooperates with the second guide portion 203 to guide and limit the covering path of the cover body 101. The cover body 101 has a clearance opening 104 to avoid interference components 202 located in the covering path of the cover body 101. It is understood that the interference component 202 is usually also an electronic component on the panel 200, such as a fire alarm test knob used with a fire alarm button on a fire alarm panel. The fire alarm test knob is usually located next to the fire alarm button and can easily interfere with the covering process of the protective cover 100.

[0039] To avoid damaging the fire alarm test knob, the traditional method is to pry up the protective cover by 100 degrees, such as... Figure 4 As shown, to avoid the fire alarm test knob, there is still a risk of interference with the knob, and it is easy to cause the first guide part 109 and the second guide part 203 to fail to connect properly. The angle at which the protective cover 100 is raised is crucial and requires a high level of experience from the operator.

[0040] like Figure 5 and Figure 6 The protective cover 100 provided in this application has an avoidance opening 104 on the cover body 101, so that the cover body 101 can smoothly cover the button under the guiding and limiting action of the first guide part 109 and the second guide part 203, while avoiding the knob during the covering process to prevent damage to the knob.

[0041] It should be noted that the "covering path" refers to the path taken by the cover 101 from its initial position to the position where it completely covers the target component 201. This path is typically a straight line, but can also be a movement path composed of different line segments. Through the cooperation of the first guide part 109 and the second guide part 203, it is ensured that the cover 101 moves along the predetermined path during installation without deviation or skew, thereby improving the accuracy and convenience of installation.

[0042] For example, please continue to see Figure 5 and Figure 6 The cover 101 is used to cover the fire alarm button on the fire alarm panel, and the covering path is parallel to the fire alarm panel. During the covering process, the cover 101 is first placed against the fire alarm panel. At this time, the knob, which serves as the interference element 202, is located at the clearance opening 104 of the cover 101, and the first guide part 109 and the second guide part 203 are directly opposite each other. Then, the cover 101 moves along the surface of the fire alarm panel toward the fire alarm button until the fire alarm button is covered.

[0043] During this installation process, the operator places the cover 101 against the panel 200 and positions the interference component 202 in the clearance opening 104. No further adjustment of the cover 101's installation posture is required. The first guide portion 109 is then aligned with the second guide portion 203, and the cover 101 is smoothly pushed along the covering path to quickly complete the installation. Similarly, when it is necessary to remove the cover 101 from the target component 201, simply pushing the cover 101 along the covering path allows for quick disassembly, significantly improving installation and removal efficiency while reducing the technical experience required of the operator.

[0044] In some embodiments of this application, please continue to refer to Figure 1 and Figure 2 The cover 101 is a box-shaped structure with an opening 105 at one end, and an internal cavity 102 for accommodating the target component 201. The opening 105 allows the target component 201 to enter and exit the cavity 102. More specifically, the target component 201 enters and exits the cavity 102 by moving the cover 101 relative to the target component 201. The cover 101 includes side plates 106, connecting plates 107, and a back plate 108. Two side plates 106 are arranged opposite each other. The connecting plates 107 connect the top ends of the two side plates 106. The back plate 108 connects the rear ends of the two side plates 106 and the connecting plates 107. The cavity 102 is formed by the two side plates 106, the connecting plate 107, and the back plate 108.

[0045] The cover 101 can be injection molded or 3D printed in one piece. The material of the cover 101 can be selected based on the usage requirements (such as lightweight requirements, moisture-proof requirements, fire-proof requirements, electrical protection requirements, etc.), and this application does not impose any restrictions.

[0046] In some embodiments of this application, the clearance opening 104 penetrates the cover 101 in the opposite direction of the covering path. For example, the clearance opening 104 extends from the opening 105 of the cover 101 to the back plate 108, forming a through-hole. This maximizes the avoidance of the interfering component 202, ensuring that the clearance opening 104 avoids the interfering component 202 regardless of whether it is located close to or far from the target component 201 on the covering path. Simultaneously, the through-hole clearance opening 104 facilitates manufacturing; for example, when the cover 101 is produced by injection molding, the through-hole clearance opening 104 reduces mold requirements.

[0047] Furthermore, the clearance opening 104 extends rearward through the cover 101, allowing the interference component 202 to be moved out from the rear side of the clearance opening 104 after the cover 101 covers the target component 201. When the cover 101 covers the target component 201, the interference component 202 is exposed for operator use. For example, if the target component 201 is a fire alarm button and the cover 101 covers the fire alarm button, the cover 101 does not cover the fire alarm test knob, which serves as the interference component 202. In this case, the fire alarm test knob can still be rotated and used.

[0048] Alternatively, please see Figure 1 and Figure 2 The clearance opening 104 extends from the position between the opening 105 and the back plate 108 towards one side of the back plate 108, forming a gap that only extends rearward. It is understandable that the larger the volume of the clearance opening 104, the greater its impact on the overall center of gravity shift of the cover 101. This makes the cover 101 prone to tilting when it rests against the panel 200, causing displacement during the cover installation process. Therefore, the clearance opening 104 is designed to only extend rearward to reduce its impact on the center of gravity of the cover 101, while allowing the interfering component 202 to exit rearward through the clearance opening 104.

[0049] The specific starting position of the clearance opening 104 between the opening 105 and the back plate 108 can be determined based on the relative distance between the interfering component 202 and the target component 201 along the covering path. More specifically, the farther the interfering component 202 is from the target component 201, the closer the starting position of the clearance opening 104 between the opening 105 and the back plate 108 is to the back plate 108; conversely, the closer the starting position of the clearance opening 104 between the opening 105 and the back plate 108 is to the opening 105.

[0050] The shape of the clearance opening 104 can be designed according to the shape and size of the interfering component 202, as long as it can accommodate the interfering component 202. This application does not impose any restrictions.

[0051] In some embodiments of this application, combined with Figures 1 to 3 as well as Figure 5One of the first guide portion 109 and the second guide portion 203 is a guide groove, and the other is a guide strip. The guide groove has an opening 110 for the guide strip to enter and exit, and the opening 110 has a chamfer 111. In a specific embodiment of this application, the first guide portion 109 is a guide groove, which is disposed on the inner surface of the two side plates 106 of the cover 101 and extends along the covering path direction; the second guide portion 203 is a guide strip, which is disposed on both sides of the target part 201 and corresponds to the position of the guide groove. When installing the protective cover 100, the opening 110 of the guide groove is aligned with the end of the guide strip, and then the cover 101 is pushed along the covering path to insert the guide strip into the guide groove, thereby achieving the guiding and limiting of the cover 101.

[0052] The chamfer 111 at the opening 110 of the guide groove can play a good guiding role. Even if there is a certain alignment error between the guide groove and the guide strip, the chamfer 111 can guide the guide strip smoothly into the guide groove, avoiding jamming or damage. In some embodiments of this application, the chamfer 111 is a rounded corner to avoid forming a sharp structure at the opening 110 of the guide groove.

[0053] Furthermore, the first guide portion 109 is a guide groove that penetrates the cover 101 along the direction perpendicular to the cover path, so that elastic arm structures are formed on both sides of the guide groove plate. In some embodiments of this application, the guide groove penetrates the side plate 106 along the thickness direction of the side plate 106. In this way, two independent elastic arms are formed on the upper and lower sides of the guide groove. When the guide strip is inserted into the guide groove, the elastic arm will undergo slight elastic deformation due to the compression of the guide strip. This not only compensates for processing errors, but also allows the guide strip to be inserted and fitted into the guide groove even if there is a certain deviation in the dimensions of the guide groove and the guide strip. Moreover, the elastic deformation of the elastic arm can also generate elastic preload, clamping the guide strip in the guide groove and improving the connection stability between the cover 101 and the target part 201.

[0054] In some embodiments of this application, the cover 101 is provided with a first connecting portion 112 for connecting to a component to be connected. It should be noted that the "component to be connected" includes, but is not limited to, another protective cover 100, and may also be an external structure such as a wall or a frame, so as to accommodate the protective cover 100.

[0055] The connection between the first connecting part 112 and the component to be connected can also be achieved by magnetic connection, adhesive connection or mechanical connection.

[0056] In one specific embodiment of this application, please continue to refer to Figure 1 and Figure 2The first connecting portion 112 includes a through hole 113 provided in the cover 101, for the connector 400 to pass through. More specifically, the through hole 113 can be provided on the side plate 106, connecting plate 107, and back plate 108 of the cover 101, and the number can be set to one or more as needed. The connector 400 can be a commonly used fastener such as a bolt, screw, pin, or rivet, thereby detachably fixing the cover 101 to the component to be connected. Of course, the connector 400 can also be connected using flexible connectors such as ropes or hoses.

[0057] like Figure 8 As shown, this application also provides a protective cover assembly, including a plurality of the aforementioned protective covers 100, which are connected together via a first connecting portion 112. Specifically, the protective covers 100 are connected to the first connecting portions of other protective covers 100 via the first connecting portion 112, thereby connecting the plurality of protective covers 100 together to form a protective cover assembly.

[0058] Combination Figure 11 As shown, when multiple adjacent target components 201 on the panel 200 need to be protected simultaneously, multiple protective covers 100 can be arranged side by side, and then the connectors 400 can be inserted through the through holes 113 on the adjacent protective covers 100 to fasten them together to form an integral protective cover group. This not only improves the stability of multiple protective covers 100 when they are arranged simultaneously, but also allows the multiple protective covers 100 to be stored together when the protective cover group is not in use, so as to prevent the loss of a single protective cover 100.

[0059] In some embodiments of this application, the first connecting portion 112 includes a through hole 113 provided in the cover 101, and the protective cover 100 is connected by a connector 400 passing through the through hole 113. For example, as shown... Figure 8 As shown, the two protective covers 100 can be connected by connecting the through hole 113 of the first protective cover 100 to the through hole 113 of the second protective cover 100 with a rope. Similarly, any number of protective covers 100 can be connected together to form protective cover groups of different lengths.

[0060] Further, see Figure 9 Two through holes 113 are provided, both of which communicate with the cavity 102. The two through holes 113 and the cavity 102 together form a channel for the binding rope, which serves as the connector 400, to pass through. See also Figure 10 In some other embodiments of this application, a through hole 113 is provided and is not connected to the cavity 102; the through hole 113 itself serves as a channel for the connector 400 to pass through. Combined with Figure 1 and Figure 2Two channels formed by through holes 113 are opened on the cover 101 to allow the connector 400 to pass through, so that two binding ropes can be passed through the cover 101 to connect with multiple external structures.

[0061] like Figure 7 , Figures 11 to 13 As shown, this application also provides a protective device, including a protective cover 300 and the aforementioned protective shield 100. The protective cover 300 is mounted on the panel 200, and the shield 101 is provided with a second connecting portion 114. When the shield 101 is in the state of covering the target component 201, the protective cover 300 is connected to the second connecting portion 114 to restrict the shield 101 from moving relative to the target component 201 and thus preventing it from being removed from the covering state. The protective cover 300 can be an existing component on the panel 200, or it can be a component that is used in conjunction with the protective shield 100 and installed on the panel 200.

[0062] In some embodiments of this application, the protective cover 300 is rotatably mounted on the panel 200, and the target component 201 is located in the rotation path of the protective cover 300.

[0063] Specifically, the protective cover 300 includes two side rods 301 and a connecting rod 302. One end of each side rod 301 is rotatably connected to the panel 200 via a connecting shaft 303, and the other end is connected together via the connecting rod 302. When the protective cover 300 rotates around the connecting shaft 303, the connecting rod 302 sweeps over the target component 201. When the protective cover 100 covers the target component 201, rotating the protective cover 300 closer to the protective cover 100 causes the connecting rod 302 to engage with the second connecting part 114 on the cover body 101, thereby locking the cover body 101 in the covered position and preventing it from moving relative to the target component 201 in the opposite direction of the covered path.

[0064] When the protective cover 100 is not covering the target component 201, the protective cover 300 can rotate relative to the panel 200, causing the side rod 301 to abut against and cover the target component 201, thus providing a certain degree of protection for the target component. More specifically, such as Figure 13 As shown, when the second guide portion 203 on the target part 201 is a guide strip, the second guide portion 203 can also be arranged on the rotation path of the protective cover 300.

[0065] Additionally, a connecting hole 304 is provided on the connecting rod 302 of the protective cover 300, and a mounting hole 204 is provided on the panel 200. When the protective cover 300 covers the target part 201, the connecting hole 304 and the mounting hole 204 are opposite each other. At this time, fasteners such as bolts can be inserted through the connecting hole 304 and the mounting hole 204 to fix the connecting rod 302 of the protective cover 300 to the panel 200. When it is necessary to cover the target part 201 with the protective cover 100, the fasteners are removed, and the protective cover 300 is reversed and no longer covers the target part 201.

[0066] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0067] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A protective cover, characterized in that, The protective cover (201) is used to cover the panel (200). The protective cover includes a cover body (101). The cover body (101) is provided with a first guide part (109). The target part (201) is provided with a second guide part (203). The first guide part (109) is used to cooperate with the second guide part (203) to form a guide limit on the covering path of the cover body (101). The cover (101) is provided with a clearance opening (104) for avoiding interference components (202) located in the cover path of the cover (101). The clearance opening (104) penetrates the cover (101) in the opposite direction of the cover path, so that after the cover (101) covers the target component (201), the interference component (202) can be moved out from the rear side of the clearance opening (104).

2. The protective cover according to claim 1, characterized in that, One of the first guide portion (109) and the second guide portion (203) is a guide groove and the other is a guide bar. The guide groove has an opening (110) for the guide bar to enter and exit, and the opening (110) is chamfered (111).

3. The protective cover according to claim 2, characterized in that, The first guide part (109) is a guide groove, which penetrates the cover (101) along the direction perpendicular to the cover path, so that elastic arm structures are formed on both sides of the groove plate of the guide groove.

4. The protective cover according to any one of claims 1 to 3, characterized in that, The cover (101) is provided with a first connecting part (112) for connecting to the component to be connected.

5. The protective cover according to claim 4, characterized in that, The first connecting part (112) includes a through hole (113) provided in the cover (101), the through hole (113) being used for the connector (400) to pass through.

6. A protective cover assembly, characterized in that, It includes a plurality of protective covers (100) as described in claim 4 or claim 5, and the plurality of protective covers (100) are connected by the first connecting part (112).

7. The protective cover assembly according to claim 6, characterized in that, The first connecting part (112) includes a through hole (113) provided in the cover (101), and the protective cover (100) is connected by a connector (400) passing through the through hole (113).

8. A protective device, characterized in that, Includes a protective cover (300) and a protective shield as claimed in any one of claims 1 to 5, wherein the protective cover (300) is mounted on the panel (200) and the shield body (101) is provided with a second connecting portion (114). When the cover (101) is in the state of covering the target (201), the protective cover (300) is connected to the second connecting part (114) to restrict the movement of the cover (101) relative to the target (201) and thus prevent it from leaving the covered state.

9. The protection device according to claim 8, characterized in that, The protective cover (300) is rotatably mounted on the panel (200), and the target component (201) is located in the rotation path of the protective cover (300).

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