Waterproof and dustproof keyboard cap bag

Abstract

The utility model discloses a waterproof and dustproof keyboard cap bag which comprises a non-transparent cap bag and a non-transparent cap bag sealing bottom cover which are made of different materials. The non-transparent cap bag comprises a cap bag body with an opening and a first sealing structure arranged on the periphery of the opening, and the opening is communicated with a containing space on the inner side of the cap bag body and allows the keyboard to be placed in the containing space through the opening. The sealing bottom cover covers the opening of the cap bag body and comprises a bottom cover body and second sealing structures which are arranged on the bottom cover body and correspond to the first sealing structures in number and position, and the first sealing structures are combined with the second sealing structures so that the sealing bottom cover can be assembled to the non-transparent cap bag and the opening and the containing space can be sealed. The combination tightness between the non-transparent sleeve bag and the sealing bottom cover can be improved without gluing between the non-transparent sleeve bag and the sealing bottom cover, so that the assembly efficiency is improved, and the waterproof and dustproof grade of IP65-IP68 is achieved.

Description

Technical Field

[0001] The utility model relates to a waterproof and dustproof sleeve bag, in particular to a waterproof and dustproof keyboard sleeve bag for covering a keyboard. Background Art

[0002] With the popularization of various electronic devices and their extensive use in various different application fields, in order to be unrestricted by environmental conditions and use and operate electronic devices smoothly and normally, the requirements for the waterproof and dustproof levels of electronic devices are also increasing day by day.

[0003] When using an electronic device, it is generally necessary to operate through a human-machine interface. The human-machine interface includes input devices such as a mouse, a keyboard, etc. Therefore, the above input devices also need to be used in various different environmental conditions. Common application scenarios include ordinary households, factories, or factories or construction sites with humid, dusty, or pollutant-filled environments.

[0004] Among them, due to the structural design of the keyboard itself having many gaps, it is very easy to be contaminated by various liquids, dust, or other pollutants during daily use. If it is used in scenarios such as the above-mentioned more humid, dusty, or pollutant-filled computer rooms or construction sites, the keyboard will soon become insensitive or damaged due to moisture, dust jamming, or foreign objects, resulting in a significant reduction in the service life of the keyboard, which also affects the normal operation of the electronic device.

[0005] In view of this, the inventor of this case believes that it is necessary to research and improve the protection technology of the keyboard, and conceive a device that can effectively improve the waterproof and dustproof effects of the keyboard, so as to ensure the normal operation of the keyboard and extend the service life of the keyboard. Summary of the Utility Model

[0006] The main purpose of the utility model is to provide a waterproof and dustproof keyboard sleeve bag for covering a keyboard. The waterproof and dustproof keyboard sleeve bag includes an opaque sleeve bag and a sealing bottom cover made of a different material from the opaque sleeve bag. The opaque sleeve bag includes a sleeve bag body with an opening and one or more first sealing structures arranged on the outer periphery of the opening. The opening is communicated with an accommodating space inside the sleeve bag body and allows the keyboard to be placed in the accommodating space through the opening. The sealing bottom cover covers the opening of the sleeve bag body. The sealing bottom cover includes a bottom cover body and a second sealing structure arranged on the bottom cover body corresponding to the number and position of the first sealing structures. The first sealing structure combines with the second sealing structure to assemble the sealing bottom cover on the opaque sleeve bag and close the opening and the accommodating space.

[0007] Further, the material of the non-transparent sleeve bag is silicone, rubber, thermoplastic polyurethane or other non-transparent soft elastic materials, and the material of the sealing bottom cover is plastic, metal or other hard materials with a hardness higher than that of the non-transparent sleeve bag.

[0008] Further, a plurality of characters, numbers, symbols and / or patterns formed by printing or laser engraving are provided on one side of the sleeve bag body relative to the opening.

[0009] Further, the opening is provided on the wide end side or the narrow end side of the sleeve bag body.

[0010] Further, the first sealing structure is provided in the groove on the outer periphery of the opening, and the second sealing structure is provided on the rib of the bottom cover body.

[0011] Further, the size of the groove is slightly smaller than the size of the rib.

[0012] Further, a stepped portion with a height lower than the bottom side of the sleeve bag body is provided on one side of the sleeve bag body at the opening. The bottom cover body includes a support cover that covers the opening and protrudes outward, and a cover plate provided on the outer periphery of the support cover and arranged corresponding to the position and appearance of the stepped portion.

[0013] Further, the stepped portion includes a first step provided on the bottom side of the sleeve bag body and having the groove, and a second step provided on the outer periphery of the sleeve bag body and with a height lower than that of the first step. The cover plate includes a first step assembly structure provided on the outer periphery of the support cover and covering the first step, and a second step assembly structure provided on the outer periphery of the first step assembly structure and covering the second step. A rib combined with the groove is provided on one side of the first step assembly structure relative to the support cover.

[0014] Further, the number of the grooves and the ribs is two respectively. One or more jacks are provided on the first step between the two grooves. A pin corresponding to the position of the jack is provided on the first step assembly structure, and the outer diameter of the top end of the pin is slightly larger than the inner diameter of the jack.

[0015] Further, the stepped portion includes a first groove provided on the bottom side of the sleeve bag body and having the groove, and a second groove provided on one side of the first groove. A rib combined with the groove is provided on one side of the support cover facing the first groove. The cover plate is provided on one side of the outer periphery of the support cover and covers the second groove.

[0016] The waterproof and dustproof keyboard sleeve bag of the present utility model includes an opaque sleeve bag and a sealing bottom cover made of different materials and assembled with each other. Without gluing, the bonding tightness between the two can be improved to increase the assembly efficiency, and the opening and accommodating space of the opaque sleeve bag are enclosed by the sealing bottom cover, so as to wrap the keyboard inside and reach the waterproof and dustproof level of IP65 - IP68. Brief Description of the Drawings

[0017] Figure 1 It is a schematic external view of the waterproof and dustproof keyboard sleeve bag of the present utility model.

[0018] Figure 2 It is a schematic exploded view of the structure of the waterproof and dustproof keyboard sleeve bag of the present utility model.

[0019] Figure 3 It is a schematic exploded view of the structure of the waterproof and dustproof keyboard sleeve bag of the present utility model from another perspective.

[0020] Figure 4 It is a schematic side view of the waterproof and dustproof keyboard sleeve bag of the present utility model.

[0021] Figure 5 It is a schematic external view of another embodiment of the waterproof and dustproof keyboard sleeve bag of the present utility model.

[0022] Figure 6 It is a schematic exploded view of the structure of another embodiment of the waterproof and dustproof keyboard sleeve bag of the present utility model.

[0023] Figure 7 It is a schematic exploded view of the structure of another embodiment of the waterproof and dustproof keyboard sleeve bag of the present utility model from another perspective.

[0024] Figure 8 It is a schematic side view of another embodiment of the waterproof and dustproof keyboard sleeve bag of the present utility model.

[0025] The labels in the figures are as follows:

[0026] 100 Waterproof and dustproof keyboard sleeve bag

[0027] 10 Opaque sleeve bag

[0028] 11 Sleeve bag body

[0029] 111 Opening

[0030] 112 Accommodating space

[0031] 113 Step part

[0032] 1131 First step

[0033] 1132 Second step

[0034] 12 First sealing structure

[0035] 20 Sealed bottom cover

[0036] 21 Bottom cover body

[0037] 211 Support cover

[0038] 2111 Contact surface

[0039] 212 Cover plate

[0040] 2121 First step assembly structure

[0041] 2122 Second step assembly structure

[0042] 22 Second sealing structure

[0043] 100A Waterproof and dustproof keyboard cover bag

[0044] 10A Non-transparent bag

[0045] 11A Bag body

[0046] 111A Opening

[0047] 112A Accommodating space

[0048] 113A Stage part

[0049] 1131A First step

[0050] 1132A Second step

[0051] 12A First sealing structure

[0052] 20A Sealed bottom cover

[0053] 21A Bottom cover body

[0054] 211A Support cover

[0055] 2111A Contact surface

[0056] 212A Cover plate

[0057] 22A Second sealing structure

[0058] H Jack

[0059] P Plug

[0060] K Keyboard

[0061] T Desktop Specific implementation mode

[0062] Regarding the detailed description and technical content of the present utility model, the following will be described in conjunction with the accompanying drawings. Furthermore, for the convenience of illustration, the scale of the drawings in the present utility model is not necessarily drawn according to the actual scale, and such drawings and their scales are not used to limit the scope of the present utility model.

[0063] Please first refer to Figure 1 , which is a schematic external view of one embodiment of the waterproof and dustproof keyboard sleeve bag of the present utility model, as shown in the figure.

[0064] The present utility model discloses a waterproof and dustproof keyboard sleeve bag 100 for covering a keyboard K. The waterproof and dustproof keyboard sleeve bag 100 includes an opaque sleeve bag 10 and a sealing bottom cover 20 made of a material different from that of the opaque sleeve bag 10. The content of the different materials will be described in detail in the following paragraphs, and will be described first here.

[0065] Next, please refer to Figures 2 to 4 together, which is a schematic exploded view and a side view of the waterproof and dustproof keyboard sleeve bag of the present utility model from different perspectives, as shown in the figure.

[0066] The said opaque sleeve bag 10 includes a sleeve bag body 11 having an opening 111 and one or more first sealing structures 12 provided on the outer periphery of the opening 111. The opening 111 communicates with an accommodating space 112 inside the sleeve bag body 11, and the keyboard K is placed in the accommodating space 112 through the opening 111.

[0067] The said sealing bottom cover 20 covers the opening 111 of the sleeve bag body 11. The sealing bottom cover 20 includes a bottom cover body 21 and a second sealing structure 22 provided on the bottom cover body 21 corresponding to the number and position of the first sealing structure 12. During actual assembly, the said first sealing structure 12 is combined with the second sealing structure 21 to assemble the sealing bottom cover 20 on the opaque sleeve bag 10 and seal the opening 111 and the accommodating space 112, achieving the effect of providing waterproof and dustproof protection for the keyboard K.

[0068] The material of the said opaque sleeve bag 10 is silicone, rubber, thermoplastic polyurethane (TPU) or other non-opaque soft elastic materials. Utilizing the stretchable characteristics of the soft elastic materials, it is convenient to place keyboards K of different specifications in the accommodating space 112 of the sleeve bag body 11, thereby enhancing the versatility and practicality of the opaque sleeve bag 10. The "non-opaque" sleeve bag 10 can be colored, for example but not limited to, by adding pigments, fillers or any other means that can change the color of the material, so as to achieve the effect of giving the opaque sleeve bag 10 a color and being opaque, and using the color of the opaque sleeve bag 10 to conceal the keyboard K inside it.

[0069] The material of the described sealed bottom cover 20 is a hard material such as plastic, metal, or other materials with a hardness higher than that of the non-transparent bag 10. Assembling the sealed bottom cover 20 made of hard material to the non-transparent bag 10 made of soft elastic material can improve the bonding tightness between the two without the need for gluing, so as to increase the assembly efficiency, achieve an IP65 - IP68 waterproof and dustproof rating, and extend the service life of the keyboard K.

[0070] On one side of the bag body 11 relative to the opening 111, a plurality of characters, numbers, symbols, and / or patterns formed by printing or laser engraving are provided. In one embodiment, on one side of the bag body 11 relative to the opening 111, a grid structure corresponding to the key positions and appearance of the keyboard K is provided, so as to facilitate the bag body 11 to adapt to a keyboard K of a specific specification. In another embodiment, one side of the bag body 11 relative to the opening 111 is flat. By using the stretchable property of the soft elastic material of the non-transparent bag 10, the bag body 11 can adapt to keyboards K of different specifications. In the present utility model, specific embodiments of the non-transparent bag 10 for covering the front of the keyboard K (i.e., the position where the keys are set) are not limited, and are described herein first.

[0071] The opening 111 is provided on the wide end side or the narrow end side of the bag body 11, so as to facilitate putting the keyboard K into the accommodating space 112 through the opening 111. The size and opening position of the opening 111 can be planned and designed according to the stretchable degree of the soft elastic material used for the non-transparent bag 10. In the present utility model, this is not limited, and is described herein first.

[0072] The first sealing structure 12 is a groove provided on the outer periphery of the opening 111, and the second sealing structure 22 is a rib provided on the bottom cover body 11. To improve the bonding tightness of the rib inserted into the groove, the size of the groove is slightly smaller than the size of the rib. The above sizes can be, for example but not limited to, width, thickness, depth, height, etc. In the present utility model, the dimensional tolerance between the groove and the rib is not limited, and is described herein first. In one embodiment, the width of the groove is slightly smaller than the width of the rib, and the groove made of soft elastic material tightly clamps the rib made of hard material.

[0073] In one embodiment, a stepped portion 113 with a height lower than the bottom side of the bag body 11 is provided on one side of the opening 111 of the bag body 11. The bottom cover body 21 includes a support cover 211 that covers the opening 111 and protrudes outward, and a cover plate 212 that is provided on the outer periphery of the support cover 211 and is arranged corresponding to the position and appearance of the stepped portion 113. The abutting surface 2111 of the support cover 211 relative to the bag body 11 can be, for example but not limited to, an arc surface (as shown in Figure 4 ), an arc surface, a curved surface, a flat surface, or other implementable forms. At least one groove is provided on the abutting surface 2111. During actual assembly, the opening 111 of the bag body 11 is located on the upper side of the back of the keyboard K. The front end of the bottom side of the bag body 11 and the abutting surface 2111 of the support cover 211 are used to contact the desktop T, and the support cover 211 is used to lift the keyboard K from the back of the keyboard K to achieve the effect of obliquely placing the keyboard K and adjusting the typing angle. In the present utility model, the specific angle or angle range at which the support cover 211 lifts the keyboard K is not intended to be limited, and it is explained here first. In another embodiment, the support cover 212 can be substantially flush with or slightly lower than the surface of the bag body 11, so that the keyboard K can be placed at the original angle.

[0074] The stepped portion 113 includes a first step 1131 provided on the bottom side of the bag body 11 and having the groove (i.e., the first sealing structure 12), and a second step 1132 provided on the outer periphery of the bag body 11 and having a height lower than the first step 1131. The cover plate 212 includes a first step assembly structure 2121 provided on the outer periphery of the support cover 212 and covering the first step 1131, and a second step assembly structure 2122 provided on the outer periphery of the first step assembly structure 2121 and covering the second step 1132. A rib (i.e., the second sealing structure 22) that is combined with the groove is provided on one side of the first step assembly structure 2121 relative to the support cover 211. The first step assembly structure 2121 and the second step assembly structure 2122 are plate members respectively arranged corresponding to the positions and shapes of the first step 1131 and the second step 1132, and the first step assembly structure 2121 and the second step assembly structure 2122 are integrally formed as the cover plate 212. The second step 1132 is provided on three adjacent surfaces on the outer periphery of the bag body 11. The cover plate 212 is used to cover the bottom side and the outer periphery of the bag body 21 at the same time, thereby improving the binding tightness between the non-transparent bag 10 and the sealing bottom cover 20 made of different materials and improving the aesthetic appearance of the overall waterproof and dustproof keyboard bag 100.

[0075] In the present utility model, the number of the grooves (i.e., the first sealing structure 12) and the ribs (i.e., the second sealing structure 22) can be, for example but not limited to, single, two or more than two. In one embodiment, as Figures 2 to 3 shown, the number of the grooves and the ribs are both two. One or more jacks H are provided on the first step 1131 between the two grooves. The first step assembly structure 2111 has pins P provided corresponding to the positions of the jacks H. The outer diameter of the top end of the pin P is slightly larger than the inner diameter of the jack H, so as to facilitate the insertion of the pin P into the jack H to achieve a clamping effect, thereby enhancing the binding tightness between the non-transparent sleeve bag 10 and the sealing bottom cover 20 made of different materials. In the present utility model, the dimensional tolerance between the pin P and the jack H is not limited, and this is hereby explained first.

[0076] In another embodiment, different from the previous embodiment, the jack H can be provided outside the outermost groove (not shown in the figure), and the pin P is provided outside the outermost rib corresponding to the position of the groove (not shown in the figure); conversely, the jack H can be provided inside the innermost groove (not shown in the figure), and the pin P is provided inside the innermost rib corresponding to the position of the groove (not shown in the figure).

[0077] In still another embodiment, different from the previous two embodiments, the number of the grooves and the ribs are both single. The jack H can be provided inside or outside the groove, and the pin P is provided corresponding to the position of the groove (not shown in the figure). In the present utility model, various changes and adjustments can be made to the setting relationship between the jack and the pin with respect to the groove and the rib. The specific embodiments are not limited to the above content, and this is hereby explained first.

[0078] Next, please refer to Figures 5 to 8 together, which is the external view schematic diagram, the structural decomposition schematic diagram from different perspectives and the side view schematic diagram of another embodiment of the waterproof and dustproof keyboard sleeve bag of the present utility model, as shown in the figure.

[0079] The present utility model further discloses a waterproof and dustproof keyboard sleeve bag 100A, different from the waterproof and dustproof keyboard sleeve bag 100 of the previous embodiment. The specific structure of the stage part of the sleeve bag body and the specific structure of the cover plate covering the stage part are hereby explained first.

[0080] The described waterproof and dustproof keyboard cover 100A includes an opaque cover 10A and a sealed bottom cover 20A. The opaque cover 10A includes a cover body 11A with an opening 111A and one or more first sealing structures 12A arranged on the outer periphery of the opening 111A. The opening 111A communicates with an accommodation space 112A inside the cover body 11A, and the keyboard K is placed in the accommodation space 112A through the opening 111A.

[0081] The sealed bottom cover 20A covers the opening 111A of the cover body 11A. The sealed bottom cover 20A includes a bottom cover body 21A and a second sealing structure 22A arranged on the bottom cover body 21A corresponding to the quantity and position of the first sealing structure 12A. During actual assembly, the first sealing structure 12A combines with the second sealing structure 21A to assemble the sealed bottom cover 20A on the opaque cover 10A and seal the opening 111A and the accommodation space 112A, achieving the effect of providing waterproof and dustproof protection for the keyboard K.

[0082] The material of the opaque cover 10A is the same as the soft elastic material used for the opaque cover 10 in the previous embodiment, and the material of the sealed bottom cover 20A is the same as the hard material used for the sealed bottom cover 20 in the previous embodiment. Also, assembling the hard material sealed bottom cover 20A on the soft elastic material opaque cover 10A can improve the bonding tightness between the two without the need for gluing, achieving an IP65 - IP68 waterproof and dustproof rating and extending the service life of the keyboard K.

[0083] On one side of the cover body 11A relative to the opening 111A, there are provided a plurality of characters, numbers, symbols, and / or patterns formed by printing or laser engraving. In this embodiment, similar to the previous embodiment, the specific embodiments of covering the keyboard K with the opaque cover 10A are not intended to be limited, and an explanation is given here first.

[0084] The opening 111A is arranged on the wide end side of the cover body 11A to facilitate putting the keyboard K into the accommodation space 112A through the opening 111A. In this embodiment, similar to the previous embodiment, the size of the opening 111A is not intended to be limited, and an explanation is given here first.

[0085] The first sealing structure 12A is a groove arranged on the outer periphery of the opening 111A, and the second sealing structure 22A is a rib arranged on the bottom cover body 11A. To improve the bonding tightness of the rib inserted into the groove, the size of the groove is slightly smaller than the size of the rib. The above - mentioned sizes can be, for example, but not limited to, width, thickness, depth, height, etc. In this embodiment, similar to the previous embodiment, the dimensional tolerance between the groove and the rib is not intended to be limited, and an explanation is given here first.

[0086] The bagging body 11A is provided with a stepped portion 113A on one side of the opening 111A, and the height of the stepped portion 113A is lower than the bottom side of the bagging body 11A. The bottom cover body 21A includes a support cover 211A that covers the opening 111A and protrudes outward, and a cover plate 212A that is disposed on the outer periphery of the support cover 211A and is arranged corresponding to the position and appearance of the stepped portion 113A.

[0087] In this embodiment, similar to the previous embodiment, the form of the abutting surface 2111A of the support cover 211A relative to the bagging body 11A is not intended to be limited, and it can be, for example but not limited to, an arc surface (as Figure 5 shown), an arc surface, a curved surface, a flat surface, or other implementable forms. During actual assembly, the opening 111A of the bagging body 11A is located on the upper side of the back of the keyboard K. The front end of the bottom side of the bagging body 11A and the abutting surface 2111A of the support cover 211A are in contact with the desktop T, and the support cover 211A raises the keyboard K from the back of the keyboard K to achieve the effect of obliquely placing the keyboard K and adjusting the typing angle. In the present utility model, the specific angle or angle range at which the support cover 211A raises the keyboard K is not intended to be limited, and this is explained here first.

[0088] The stepped portion 113A includes a first groove 1131A that is disposed on the bottom side of the bagging body 11A and has the groove (i.e., the first sealing structure 12A), and a second groove 1132A that is disposed on one side of the first groove 1131A. The side of the support cover 211A facing the first groove 1131A is provided with ribs (i.e., the second sealing structure 22A) that are combined with the groove, and the cover plate 212A is disposed on one side of the outer periphery of the support cover 211A and covers the second groove 1132A. The height of the bottom surface of the second groove 1132A can be, for example but not limited to, flush with, higher than, or lower than the height of the bottom surface of the first groove 1131A; the ribs can be, for example but not limited to, disposed on the periphery (as Figure 7 shown), the inner side, or the outer side of the support cover 211A. In the present utility model, the specific implementation manners of the above structures are not limited, and this is explained here first.

[0089] In the present utility model, the keyboards K covered by the waterproof and dustproof keyboard covers 100 and 100A can be, for example but not limited to, wireless keyboards or wired keyboards. In one embodiment, the keyboard K is a wireless keyboard equipped with a battery (not shown in the figure), and the waterproof and dustproof keyboard covers 100 and 100A can completely cover the wireless keyboard, achieving the effect of providing waterproof and dustproof protection for the wireless keyboard and its battery. In another embodiment, the keyboard K is a wired keyboard provided with a circuit (not shown in the figure), and the waterproof and dustproof keyboard covers 100 and 100A are provided with wire holes (not shown in the figure) for the circuit to pass through. The wire holes can be, for example but not limited to, provided in the non-transparent covers 10 and 10A or the sealing bottom covers 20 and 20A. Preferably, the wire holes are provided on the bottom sides of the waterproof and dustproof keyboard covers 100 and 100A to maintain the overall aesthetics. In yet another embodiment, different from the previous embodiment, a rubber sealing ring (not shown in the figure) tightly covering the outer periphery of the circuit is provided on the wire hole, ensuring the waterproof and dustproof effect for the wired keyboard.

[0090] In summary, the waterproof and dustproof keyboard cover of the present utility model includes a non-transparent cover and a sealing bottom cover made of different materials and assembled with each other. The bonding tightness between the two can be improved without gluing, so as to increase the assembly efficiency. Moreover, the opening and the accommodating space of the non-transparent cover are closed by the sealing bottom cover, achieving the effect of covering the keyboard inside and reaching the waterproof and dustproof level of IP65 - IP68.

[0091] The present utility model has been described in detail above. The above description is only a preferred embodiment of the present utility model, and should not be used to limit the scope of implementation of the present utility model. That is, all equivalent changes and modifications made according to the claims of the present utility model should still fall within the scope covered by the patent of the present utility model.

Claims

1. A waterproof and dustproof keyboard cover bag for covering a keyboard, characterized in that, The waterproof and dustproof keyboard sleeve bag includes: A non-transparent sleeve bag, including a sleeve bag body with an opening and one or more first sealing structures arranged on the outer periphery of the opening. The opening communicates with an accommodating space inside the sleeve bag body and is for the keyboard to be placed in the accommodating space through the opening; and A sealing bottom cover, made of a different material from the non-transparent sleeve bag. The sealing bottom cover covers the opening of the sleeve bag body. The sealing bottom cover includes a bottom cover body and a second sealing structure arranged on the bottom cover body corresponding to the quantity and position of the first sealing structure. The first sealing structure combines with the second sealing structure to assemble the sealing bottom cover on the non-transparent sleeve bag and close the opening and the accommodating space.

2. The waterproof and dustproof keyboard sleeve bag according to claim 1, wherein The material of the non-transparent sleeve bag is silicone, rubber, thermoplastic polyurethane or other non-transparent soft elastic materials, and the material of the sealing bottom cover is plastic, metal or other hard materials with a hardness higher than that of the non-transparent sleeve bag.

3. The waterproof and dustproof keyboard sleeve bag according to claim 1, characterized in that A plurality of characters, numbers, symbols and / or patterns formed by printing or laser engraving are arranged on one side of the sleeve bag body relative to the opening.

4. The waterproof and dustproof keyboard sleeve bag according to claim 1, wherein The opening is arranged on the wide end side or the narrow end side of the sleeve bag body.

5. The waterproof and dustproof keyboard sleeve bag according to claim 1, wherein The first sealing structure is arranged in a groove on the outer periphery of the opening, and the second sealing structure is arranged on a rib of the bottom cover body.

6. The waterproof and dustproof keyboard sleeve bag according to claim 5, wherein, The size of the groove is slightly smaller than the size of the rib.

7. The waterproof and dustproof keyboard sleeve bag according to claim 6, characterized in that A stepped portion with a height lower than the bottom side of the sleeve bag body is arranged on one side of the sleeve bag body at the opening. The bottom cover body includes a support cover protruding outward and covering the opening and a cover plate arranged on the outer periphery of the support cover corresponding to the position and appearance of the stepped portion.

8. The waterproof and dustproof keyboard sleeve bag according to claim 7, wherein, The stepped portion includes a first step arranged on the bottom side of the sleeve bag body and having the groove and a second step arranged on the outer periphery of the sleeve bag body and with a height lower than the first step. The cover plate includes a first step assembly structure arranged on the outer periphery of the support cover and covering the first step and a second step assembly structure arranged on the outer periphery of the first step assembly structure and covering the second step. A rib combined with the groove is arranged on one side of the first step assembly structure relative to the support cover.

9. The waterproof and dustproof keyboard sleeve bag according to claim 8, characterized in that, The number of the groove and the rib is two respectively. One or more jacks are arranged on the first step between the two grooves. A pin corresponding to the position of the jack is arranged on the first step assembly structure. The outer diameter of the top end of the pin is slightly larger than the inner diameter of the jack.

10. The waterproof and dustproof keyboard sleeve bag according to claim 7, characterized in that, The stepped portion includes a first groove arranged on the bottom side of the sleeve bag body and having the groove and a second groove arranged on one side of the first groove. A rib combined with the groove is arranged on one side of the support cover facing the first groove. The cover plate is arranged on one side of the outer periphery of the support cover and covers the second groove.

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