Universal protective sleeve for tablet personal computer

Abstract

The invention discloses a universal protective sleeve for a tablet personal computer. The universal protective sleeve comprises a middle fixing part, an upper left expansion part, an upper right expansion part and a bottom expansion part, wherein the upper left expansion part, the upper right expansion part and the bottom expansion part are connected with the middle fixing part in a pull-out mode. The middle fixing piece comprises a bottom plate and a cover plate which are assembled and connected, a convex block is arranged on the cover plate, an insertion cavity is formed between the bottom plate and the cover plate, a connecting piece mounting groove is formed in the cover plate, and a connecting piece is arranged in the connecting piece mounting groove; the left upper expansion piece, the right upper expansion piece and the bottom expansion piece are respectively provided with a drawing and inserting plate piece which is used for being connected with the middle fixing piece in a drawing and inserting manner, and the drawing and inserting plate pieces are inserted into the middle fixing piece; the left upper expansion piece, the right upper expansion piece, the bottom expansion piece and the middle fixing piece are arranged to be of a drawing type connecting structure, the size of the protective sleeve is adjusted, the using requirements of tablet personal computers of different models and sizes can be met, and the tablet personal computer protective sleeve has the advantages of being stable in structure, wide in application range, high in practicability and convenient and fast to operate.

Description

Technical Field

[0001] This invention relates to the field of peripheral accessories technology for electronic products, specifically to a universal protective case for tablet computers. Background Technology

[0002] As tablet computers become more feature-rich, more and more users are replacing traditional laptops for work.

[0003] A tablet computer, also known as a portable personal computer (Tablet PC), is a small, portable personal computer that uses a touchscreen as its primary input device. Its touchscreen (also called digitizer technology) allows users to operate the device using a stylus or digital pen instead of a traditional keyboard or mouse. Users can input via built-in handwriting recognition, an on-screen keyboard, voice recognition, or a physical keyboard (if the model is equipped with one). Electronic product cases are used to protect electronic products from drops and scratches; traditional mobile phones, tablets, and other electronic devices can be fitted with protective cases.

[0004] However, most tablet cases on the market can only protect one tablet at a time, and cannot protect multiple tablets simultaneously, which limits their usability. Summary of the Invention

[0005] The purpose of this invention is to provide a universal protective case for tablet computers in order to solve the above-mentioned problems.

[0006] The present invention achieves the above objectives through the following technical solution: a universal protective case for tablet computers, comprising a main body, the main body including a central fixing member and a left upper extension member, a right upper extension member and a bottom extension member that are pulled out and connected to the central fixing member; The central fixing component includes a base plate and a cover plate that are assembled and connected. The cover plate is provided with a protrusion. An insertion cavity is formed between the base plate and the cover plate. The cover plate is provided with a connector mounting groove. A connector is provided in the connector mounting groove. The connector is provided with a left insertion strip, a right insertion strip and a bottom insertion strip. The cover plate is provided with a second limiting slider and a second sliding groove. The upper left extension, upper right extension, and bottom extension are each provided with a pull-out plate for being pulled and connected to the middle fixing member. The pull-out plate is inserted into the middle fixing member. The three pull-out plates are respectively provided with a connector insertion groove, a sliding groove, and a limiting slider. The left insertion strip, right insertion strip, and bottom insertion strip are correspondingly inserted into the connector insertion groove. The limiting slider is located in the sliding groove.

[0007] Preferably, the upper left extension and the upper right extension are symmetrically arranged on both sides of the middle fixing member.

[0008] Preferably, the bottom extension is located at the middle of the bottom of the central fixing member, and the bottom of the bottom extension is provided with a bottom baffle integrally formed therewith.

[0009] Preferably, the upper left extension member is provided with a lens groove and a corner protector, and the corner protector is integrally formed with the upper left extension member, and the upper left extension member is an integral structure.

[0010] Preferably, the upper right extension is provided with a second corner guard, and the second corner guard is integrally formed with the upper right extension, and the upper right extension is an integral structure.

[0011] Preferably, there are two sets of each of the left insert strip, right insert strip and bottom insert strip, and the left insert strip, right insert strip and bottom insert strip are integrally formed with the connector.

[0012] Preferably, the limiting slider two has a hollow cylindrical structure, and the base plate is provided with multiple sets of insertion posts corresponding to the limiting slider two, and the insertion posts are inserted into the limiting slider two.

[0013] Preferably, the base plate is provided with multiple sets of assembly screw holes, and the cover plate is provided with assembly screws corresponding to the assembly screw holes, the assembly screws being located on the protrusion.

[0014] Preferably, the connector mounting groove has a "Y" shaped structure, the protrusion is located in the connector mounting groove, and the protrusion is integrally formed with the cover plate.

[0015] Preferably, the bottom extension has symmetrically distributed bottom lateral extensions on both sides, the bottom lateral extensions are connected to the bottom extension in a pull-out manner, and the bottom lateral extensions are provided with bottom protective corners.

[0016] The beneficial effects of this invention are: 1. By setting the upper left, upper right, and bottom extension components and the central fixing component as a pull-out connection structure, the size of the protective case can be adjusted by pulling out the upper left, upper right, and bottom extension components, which can meet the usage needs of tablet computers of different models and sizes; 2. By setting a connector inside the central fixing component, the connector is snapped into the connector mounting groove, and the left, right, and bottom insert strips are correspondingly inserted into the connector insertion grooves of the upper left, upper right, and bottom extension components, which effectively ensures the stability of the connection structure between the upper left, upper right, and bottom extension components and the central fixing component during the pulling process; 3. The protective case structure can be adjusted by pulling out or pushing inward the upper left, upper right, and bottom extension components, which has the advantages of wide applicability, strong practicality, stable structure, and convenient operation. Attached Figure Description

[0017] Figure 1 This is one of the schematic diagrams of the overall structure of the universal protective case for tablet computers according to the present invention; Figure 2 This is the second schematic diagram of the overall structure of the universal protective case for tablet computers of the present invention; Figure 3 This is the third schematic diagram of the overall structure of the universal protective case for tablet computers of the present invention; Figure 4 This is one of the schematic diagrams of the internal structure of the universal protective case for tablet computers according to the present invention; Figure 5 This is the second schematic diagram of the internal structure of the universal protective case for tablet computers of the present invention; Figure 6 This is a schematic diagram of the connector structure in the universal protective case for tablet computers of the present invention; Figure 7 This is a schematic diagram of the cover plate structure in the universal protective case for tablet computers of the present invention; Figure 8 This is a schematic diagram of the bottom plate structure in the universal protective case for tablet computers of the present invention. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figure 1-8As shown: A universal protective case for tablet computers includes a main body. The main body includes a central fixing component 1 and upper left extension component 2, upper right extension component 4, and bottom extension component 3 that are connected to the central fixing component 1 in a pull-out manner. By setting the upper left extension component 2, upper right extension component 4, and bottom extension component 3 to the central fixing component 1 in a pull-out connection structure, the internal size of the protective case can be adjusted by pulling the upper left extension component 2, upper right extension component 4, and bottom extension component 3 during use, which can meet the usage needs of tablet computers of different models and sizes. The central fixing component 1 includes a base plate 7 and a cover plate 8 that are assembled and connected. The cover plate 8 is provided with a protrusion 22, the thickness of which is greater than the thickness of the cover plate 8. Through the setting of the protrusion 22, after the base plate 7 and the cover plate 8 are assembled and connected, an insertion cavity is formed between the base plate 7 and the cover plate 8, so as to realize the pull-out connection between the upper left extension 2, the upper right extension 4 and the bottom extension 3 and the central fixing component 1. The cover plate 8 is provided with a connector mounting groove 17, and a connector 9 is provided in the connector mounting groove 17. The connector 9 is provided with a left insertion strip 10, a right insertion strip 11 and a bottom insertion strip 12. The cover plate 8 is provided with a second limiting slider 15 and a second sliding groove 16. The upper left extension 2, upper right extension 4, and bottom extension 3 are each provided with a pull-out plate 24 for sliding connection with the middle fixing member 1. The pull-out plate 24 is inserted into the middle fixing member 1. Each of the three pull-out plates 24 is provided with a connector insertion groove 14, a sliding groove 21, and a limiting slider 13. There are two sliding grooves 21 on the upper left extension 2, which are inclined to the left and upward and are parallel to each other. There are two sliding grooves 21 on the upper right extension 4. The first slide groove 21 is inclined to the right and upward, and the two slide grooves 21 are parallel to each other. There are two slide grooves 21 on the bottom extension 3, and the two slide grooves 21 are vertically downward. The left insertion strip 10, the right insertion strip 11 and the bottom insertion strip 12 are inserted into the connector insertion groove 14 respectively. The second limiting slider 15 is located in the first slide groove 21, and the first limiting slider 13 is located in the second slide groove 16. During the pulling process, the second limiting slider 15 slides within the first slide groove 21, and the first limiting slider 13 slides within the second slide groove 16.

[0020] It should be noted that the upper left extension 2 and the upper right extension 4 are symmetrically arranged on both sides of the middle fixing member 1. By simultaneously pulling the upper left extension 2 and the upper right extension 4 to both sides, the size of the protective cover can be adjusted.

[0021] It should be noted that the bottom extension 3 is located at the middle of the bottom of the central fixing member 1. The bottom of the bottom extension 3 is provided with a bottom baffle 23 integrally formed therewith. The bottom extension 3 is provided with symmetrically distributed bottom lateral extensions 25 on both sides. The bottom lateral extensions 25 are connected to the bottom extension 3 by a pull-out method. The bottom lateral extensions 25 are provided with bottom protective corners 26. The upper left extension 2 is provided with a lens groove. The upper left extension 2 is provided with a first protective corner 5, and the first protective corner 5 is integrally formed with the upper left extension 2. The upper left extension 2 is a single structure. The upper right extension 4 is provided with a second protective corner 6, and the second protective corner 6 is integrally formed with the upper right extension 4. The upper right extension 4 is a single structure. Through the setting of the first protective corner 5, the second protective corner 6, the bottom protective corner 26 and the bottom baffle 23, the tablet computer is limited and fixed, while also protecting the tablet computer.

[0022] It should be noted that there are two sets of each of the left insert strip 10, right insert strip 11 and bottom insert strip 12, and the left insert strip 10, right insert strip 11 and bottom insert strip 12 are integrally formed with the connector 9. The left insert strip 10, right insert strip 11 and bottom insert strip 12 are inserted into the connector insertion slot 14, realizing the insertion connection between the upper left extension 2, upper right extension 4 and bottom extension 3 and the connector 9. The connector 9 is snapped into the connector mounting slot 17, making the connection structure between the upper left extension 2, upper right extension 4 and bottom extension 3 and the middle fixing member 1 more stable.

[0023] It should be noted that the limiting slider 25 is a hollow cylindrical structure, and the height of the limiting slider 25 is the same as the height of the protrusion 22 above the plane of the cover plate 8. The base plate 7 is provided with multiple sets of insertion posts 18 corresponding to the limiting slider 25. The insertion posts 18 are inserted into the limiting slider 25. After the base plate 7 and the cover plate 8 are assembled, screws are screwed into the limiting slider 25 to achieve the fixed installation of the base plate 7 and the cover plate 8.

[0024] It should be noted that the base plate 7 is provided with multiple sets of assembly screw holes 19, and the cover plate 8 is provided with assembly screws 20 corresponding to the assembly screw holes 19. The assembly screws 20 are located on the protrusion 22. Through the combination of the assembly screw holes 19 and the assembly screws 20, the installation structure of the base plate 7 and the cover plate 8 is further fixed, ensuring the structural stability of the middle fixing component 1.

[0025] It should be noted that the connector mounting groove 17 has a "Y" shaped structure, the protrusion 22 is located in the connector mounting groove 17, and the protrusion 22 is integrally formed with the cover plate 8. Through the setting of the protrusion 22, an insertion cavity is formed between the bottom plate 7 and the cover plate 8. The three pull-out plates 24 are respectively inserted into the pull-out slots to realize the pull-out connection between the upper left extension 2, the upper right extension 4 and the bottom extension 3 and the middle fixing member 1.

[0026] Working principle: With the protrusion 22, after the base plate 7 and cover plate 8 are assembled, an insertion cavity is formed inside. The pull-out plates 24 on the upper left extension 2, upper right extension 4, and bottom extension 3 are inserted into the insertion cavity. The left insertion strip 10, right insertion strip 11, and bottom insertion strip 12 are correspondingly inserted into the connector insertion slot 14. The second limiting slider 15 on the cover plate 8 is correspondingly inserted into the first sliding groove 21 on the upper left extension 2, upper right extension 4, and bottom extension 3. The first limiting slider 13 on the upper left extension 2, upper right extension 4, and bottom extension 3 is correspondingly inserted into the second sliding groove 16 on the cover plate 8. During the pulling process, the limiting slider... The upper left extension 2, upper right extension 4, and bottom extension 3 are limited and slid within the sliding groove 21, while the limiting slider 13 is limited and slid within the sliding groove 26. This enables the upper left extension 2, upper right extension 4, and bottom extension 3 to be pulled out and connected to the middle fixing member 1. Furthermore, through the combination of the connector 9 and the connector mounting groove 17, the connector 9 is snapped into the connector mounting groove 17, and the left insertion strip 10, right insertion strip 11, and bottom insertion strip 12 are correspondingly inserted into the connector insertion groove 14 of the upper left extension 2, upper right extension 4, and bottom extension 3. This effectively ensures the stability of the connection structure between the upper left extension 2, upper right extension 4, and bottom extension 3 and the middle fixing member 1 during the pulling process.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A universal protective case for tablet computers, characterized in that, It includes a main structure, which includes a central fixing member (1) and a left upper extension member (2), a right upper extension member (4) and a bottom extension member (3) that are pulled out and connected to the central fixing member (1). The middle fixing component (1) includes a base plate (7) and a cover plate (8) that are assembled and connected. The cover plate (8) is provided with a protrusion (22). An insertion cavity is formed between the base plate (7) and the cover plate (8). The cover plate (8) is provided with a connector mounting groove (17). A connector (9) is provided in the connector mounting groove (17). The connector (9) is provided with a left insertion strip (10), a right insertion strip (11) and a bottom insertion strip (12). The cover plate (8) is provided with a second limiting slider (15) and a second sliding groove (16). The upper left extension (2), upper right extension (4) and bottom extension (3) are respectively provided with pull-out plates (24) for pulling and connecting with the middle fixing member (1). The pull-out plates (24) are inserted into the middle fixing member (1). The three pull-out plates (24) are respectively provided with connector insertion grooves (14), sliding grooves (21) and limiting sliders (13). The left insertion strip (10), right insertion strip (11) and bottom insertion strip (12) are respectively inserted into the connector insertion grooves (14). The limiting sliders (25) are located in the sliding grooves (21) and the limiting sliders (13) are located in the sliding grooves (26).

2. The universal protective case for tablet computers according to claim 1, characterized in that: The upper left extension (2) and the upper right extension (4) are symmetrically arranged on both sides of the middle fixing member (1).

3. A universal protective case for tablet computers according to claim 1, characterized in that: The bottom extension (3) is located at the middle of the bottom of the middle fixing member (1), and the bottom of the bottom extension (3) is provided with a bottom baffle (23) integrally formed therewith.

4. A universal protective case for tablet computers according to claim 1, characterized in that: The upper left extension (2) is provided with a lens groove and a corner protector (5) is provided on the upper left extension (2). The corner protector (5) is integrally formed with the upper left extension (2). The upper left extension (2) is an integral structure.

5. A universal protective case for tablet computers according to claim 1, characterized in that: The upper right extension (4) is provided with a second corner guard (6), and the second corner guard (6) is integrally formed with the upper right extension (4). The upper right extension (4) is an integral structure.

6. A universal protective case for tablet computers according to claim 1, characterized in that: The left connector (10), right connector (11) and bottom connector (12) are each provided in two sets, and the left connector (10), right connector (11) and bottom connector (12) are integrally formed with the connector (9).

7. A universal protective case for tablet computers according to claim 1, characterized in that: The limiting slider two (15) is a hollow cylindrical structure. The base plate (7) is provided with multiple sets of plug-in posts (18) corresponding to the limiting slider two (15). The plug-in posts (18) are inserted into the limiting slider two (15).

8. A universal protective case for tablet computers according to claim 1, characterized in that: The base plate (7) is provided with multiple sets of assembly screw holes (19), and the cover plate (8) is provided with assembly screws (20) corresponding to the assembly screw holes (19), and the assembly screws (20) are located on the protrusion (22).

9. A universal protective case for tablet computers according to claim 1, characterized in that: The connector mounting groove (17) has a "Y" shaped structure, the protrusion (22) is located in the connector mounting groove (17), and the protrusion (22) is integrally formed with the cover plate (8).

10. A universal protective case for tablet computers according to claim 1, characterized in that: The bottom extension (3) has symmetrically distributed bottom lateral extensions (25) on both sides. The bottom lateral extensions (25) are connected to the bottom extension (3) by a pull-out method. The bottom lateral extensions (25) are provided with bottom protective corners (26).

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