A laptop casing that prevents the connecting cable from coming loose

Abstract

This invention discloses a laptop casing that prevents the connection cable from detaching, relating to the field of laptop casing technology. It includes a laptop casing base and a laptop casing top cover. The laptop casing base and top cover are connected by a damping hinge. The inner wall of the laptop casing base has a reserved hole for a power interface. Anti-detachment mechanisms are provided on both sides of the laptop casing base. This invention, by incorporating these anti-detachment mechanisms, ensures that the USB port will not separate from external peripheral devices when the laptop is assembled. When the USB port of an external device is subjected to external force, the connection between the USB port and the laptop is strengthened, making the connection more secure and preventing detachment, thus avoiding interference with the user's normal use of the external device.

Description

Technical Field

[0001] This invention relates to the field of notebook casing technology, specifically to a notebook casing that can prevent connecting cables from coming loose. Background Technology

[0002] A laptop casing is the outer shell of a laptop, serving to protect and support internal components. It typically uses materials such as aluminum alloy, magnesium alloy, magnesium-aluminum alloy, and plastic. During laptop assembly, the hardware is installed within the casing to form a complete laptop. However, current laptop casings on the market are inconvenient for securing cables, making them prone to detaching from the laptop under external force. This can affect user experience, especially around USB ports, interfering with the normal operation of external devices such as mice, keyboards, and headphones, preventing them from functioning properly and thus hindering the desired performance. Therefore, we propose a laptop casing design that prevents cables from detaching. Summary of the Invention

[0003] The purpose of this invention is to provide a notebook casing that can prevent the connecting cable from falling off, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a laptop casing that prevents the connection cable from detaching, comprising a laptop casing base and a laptop casing top cover, wherein the laptop casing base and the laptop casing top cover are rotatably connected via a damping pivot, the inner wall of the laptop casing base has a reserved hole for a power interface, anti-detachment mechanisms are provided on both sides of the laptop casing base, reinforcement mechanisms are provided on both sides of the laptop casing base, and cable-binding mechanisms are provided on both sides of the laptop casing base; the anti-detachment mechanism includes protective shells, the number of which is four, the side of which is fixedly connected to the laptop casing base near the laptop casing base, and the anti-detachment mechanism is used to prevent the USB connection cable from detaching; the reinforcement mechanism includes support plates, the number of which is four, the side of which is fixedly connected to the laptop casing base near the laptop casing base, and the reinforcement mechanism is used to further secure the USB connection cable; the cable-binding mechanism includes first cable-binding shells, the number of which is two, the two first cable-binding shells are respectively provided on both sides of the laptop casing base, and the cable-binding mechanism is used to bind the USB connection cable.

[0005] Preferably, each of the protective shells has an installation groove between its opposite sides, and a connecting pipe is fixedly connected between the inner walls of the two installation grooves. A friction ring is fixedly connected to the inner wall of the connecting pipe, and a push rod is slidably connected to the inner wall of the friction ring. One end of the push rod is fixedly connected to a pressing plate, and the other end of the push rod is fixedly connected to a push-pull plate.

[0006] Preferably, the inner wall of the protective shell is rotatably connected to a rotating block, and a first friction pad is fixedly connected to the opposite side of each of the two rotating blocks. The first friction pad is made of rubber material, and the rotating block is used in conjunction with the extrusion plate.

[0007] Preferably, the top and bottom of the rotating block are fixedly connected to a first rotating rod, and the opposite ends of the two first rotating rods penetrate through to the inner wall of the protective shell and are rotatably connected to the inner wall of the protective shell.

[0008] Preferably, two mounting plates are fixedly connected to both sides of the laptop shell base. A knob is rotatably connected to the inner wall of the mounting plate via a bearing. A transmission gear is fixedly connected to one end of the knob. A semi-circular gear is meshed with the surface of the transmission gear. A second friction pad made of rubber is fixedly connected to one side of the semi-circular gear. A second rotating rod is fixedly connected to the top and bottom of the semi-circular gear. The opposite ends of the two second rotating rods penetrate into the inner wall of the protective shell and are rotatably connected to the inner wall of the protective shell.

[0009] Preferably, a connecting frame is fixedly connected to the top of the support plate, a snap-fit ​​sleeve is movably connected to the inner wall of the connecting frame, a sliding rod is fixedly connected to one end of the snap-fit ​​sleeve, one end of the sliding rod extends through to the outside of the connecting frame and is fixedly connected to a limiting toothed plate, the surface of the limiting toothed plate meshes with the surface of the transmission gear, a first spring is fixedly connected to the inner wall of the snap-fit ​​sleeve, and the other end of the first spring is fixedly connected to the inner wall of the connecting frame.

[0010] Preferably, a push-pull rod is fixedly connected to the top of the snap-fit ​​sleeve, and guide blocks are fixedly connected to both sides of the snap-fit ​​sleeve. The surface of the guide block is slidably connected to the inner wall of the connecting frame.

[0011] Preferably, a second cable bundle shell is provided on both sides of the first cable bundle shell, and a connecting post is fixedly connected to the same side of the first and second cable bundle shells. The side of the connecting post near the base of the laptop housing is fixedly connected to the base of the laptop housing. An arc-shaped baffle is rotatably connected between the inner walls of the first and second cable bundle shells, and two semi-circular rings are fixedly connected to the surface of the arc-shaped baffle.

[0012] Preferably, a fixing block is fixedly connected to the top of the second wire harness shell, and a push-pull block is fixedly connected to the top of each of the two semicircular rings. A connecting rod is fixedly connected between the opposite sides of the two push-pull blocks. A locking rod is fixedly connected to one side of the push-pull block. One end of the locking rod extends to the inner wall of the fixing block and is in close contact with the inner wall of the fixing block. A locking plate is fixedly connected to one side of the fixing block. There are two locking plates, and the opposite sides of the two locking plates are in close contact with the surface of the locking rod.

[0013] Preferably, a second spring is fixedly connected to one side of the semicircular ring, one end of the second spring is fixedly connected to one side of the laptop shell base, and a protective sleeve is movably fitted on the surface of the second spring, the protective sleeve being made of silicone material.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] This invention, by setting up an anti-detachment mechanism, ensures that the USB port of the assembled laptop will not separate from the external peripheral device. When the USB port of the peripheral device is affected by external force, the connection between the USB port of the peripheral device and the laptop will be increased, making the connection more secure and preventing detachment, thereby avoiding affecting the normal use of the peripheral device by the user.

[0016] By incorporating a reinforcement mechanism, this invention further enhances the stability and robustness of the USB interface of peripheral devices when inserted into a laptop. This mechanism applies pressure to both sides of the USB interface, making the connection between the USB interface and the laptop more stable and secure, thus achieving the goal of further increasing the stability and robustness of the USB interface when inserted into the laptop.

[0017] This invention, by setting up a cable management mechanism, can conveniently bind the connection cables of peripheral devices when using them, preventing the connection cables from becoming tangled during use. When tangled, the connection cables can easily get caught on the laptop, causing the USB cable interface to separate from the laptop. This invention achieves the purpose of binding the connection cables of peripheral devices. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram showing the connection between the protective shell, the support plate, and the laptop shell base of the present invention;

[0020] Figure 3 This is a schematic diagram showing the connection of a portion of the anti-detachment mechanism and the reinforcement mechanism of the present invention;

[0021] Figure 4 This is a three-dimensional sectional view of a partial structure of the present invention;

[0022] Figure 5 For the present invention Figure 4 Enlarged view of the local structure at point A in the middle;

[0023] Figure 6 This is a three-dimensional schematic diagram of the wire harness mechanism of the present invention;

[0024] Figure 7 This is a schematic diagram of the connection of a partial structure of the wire harness mechanism of the present invention;

[0025] Figure 8 This is a schematic diagram of the connection of a partial structure of the reinforcement mechanism of the present invention;

[0026] Figure 9 For the present invention Figure 8 A schematic diagram of the connection of the local structure at point B.

[0027] In the diagram: 1. Laptop casing base; 2. Anti-fall mechanism; 201. Protective shell; 202. Push rod; 203. Push-pull plate; 204. Rotating block; 205. First friction pad; 206. Friction ring; 207. Connecting tube; 208. Extrusion plate; 3. Reinforcing mechanism; 301. Knob; 302. Support plate; 303. Transmission gear; 304. Second friction pad; 305. Mounting plate; 306. Semi-circular gear; 307. Connecting frame; 308. Limiting toothed plate; 309. Sliding rod; 310 1. First spring; 311. Snap-fit ​​sleeve; 4. Cable harness mechanism; 401. First cable harness shell; 402. Arc-shaped baffle; 403. Second cable harness shell; 404. Semi-circular ring; 405. Connecting post; 406. Protective sleeve; 407. Second spring; 5. Notebook casing top cover; 6. Power interface reserved hole; 7. Mounting slot; 8. Second rotating rod; 9. Push-pull rod; 10. First rotating rod; 11. Connecting rod; 12. Push-pull block; 13. Fixing block; 14. Clamping plate; 15. Clamping rod; 16. Guide block. Detailed Implementation

[0028] 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.

[0029] Example 1: Please refer to Figures 1-9This invention provides a technical solution: a laptop casing that prevents the connecting cable from detaching, comprising a laptop casing base 1 and a laptop casing top cover 5. The connection between the laptop casing base 1 and the laptop casing top cover 5 is rotatably connected via a damping pivot. A power interface pre-drilled hole 6 is provided on the inner wall of the laptop casing base 1. Anti-detachment mechanisms 2, reinforcement mechanisms 3, and cable management mechanisms 4 are provided on both sides of the laptop casing base 1. The anti-detachment mechanism 2 includes four protective shells 201. The side of the USB cable near the base 1 of the laptop casing is fixedly connected to the base 1 of the laptop casing. The anti-detachment mechanism 2 is used to prevent the USB cable from falling off. The reinforcement mechanism 3 includes four support plates 302. The side of the support plates 302 near the base 1 of the laptop casing is fixedly connected to the base 1 of the laptop casing. The reinforcement mechanism 3 is used to further fix the USB cable. The cable binding mechanism 4 includes two first cable binding shells 401. The two first cable binding shells 401 are respectively disposed on both sides of the base 1 of the laptop casing. The cable binding mechanism 4 is used to bind the USB cable.

[0030] As a further definition of the anti-detachment mechanism 2 of the present invention, mounting grooves 7 are provided between opposite sides of the protective shell 201. A connecting pipe 207 is fixedly connected between the inner walls of the two mounting grooves 7. A friction ring 206 is fixedly connected to the inner wall of the connecting pipe 207. A push rod 202 is slidably connected to the inner wall of the friction ring 206. A pressing plate 208 is fixedly connected to one end of the push rod 202, and a push-pull plate 203 is fixedly connected to the other end of the push rod 202. By using the mounting grooves 7, connecting pipes 207, friction rings 206, push rods 202, pressing plates 208, and push-pull plates 203 together, the USB interface can be fixed, thereby increasing the stability and firmness of the USB interface during use.

[0031] The inner wall of the protective shell 201 is rotatably connected to rotating blocks 204. On opposite sides of the two rotating blocks 204, a first friction pad 205 is fixedly connected. The first friction pad 205 is made of rubber. The rotating blocks 204 are used in conjunction with the extrusion plate 208. Through the cooperation of the rotating blocks 204 and the first friction pad 205, the stability and firmness of the USB interface when fixed can be further increased. By making the first friction pad 205 a rubber material, the friction between the first friction pad 205 and the USB interface after contact can be increased, thereby increasing the stability and firmness of the USB interface after connection.

[0032] The top and bottom of the rotating block 204 are fixedly connected with first rotating rods 10. The opposite ends of the two first rotating rods 10 penetrate into the inner wall of the protective shell 201 and are rotatably connected to the inner wall of the protective shell 201. Through the first rotating rods 10, the rotating block 204 can be rotated, and the stability of the rotating block 204 during rotation can be ensured, so as to avoid the rotating block 204 from deviating during rotation, thereby avoiding affecting the normal rotation of the rotating block 204 and enabling the rotating block 204 to work.

[0033] By setting up the anti-detachment mechanism 2, the USB port of the assembled laptop will not be separated from the external peripheral device. When the USB port of the peripheral device is affected by external force, the connection between the USB port of the peripheral device and the laptop will be increased, making the connection more secure and preventing it from falling off, thereby avoiding affecting the normal use of the peripheral device by the user.

[0034] The specific implementation of this embodiment is as follows: To increase the stability and robustness of the connection between the USB interface of the peripheral device and the laptop, the user first inserts the USB interface of the peripheral device into the protective shell 201 and connects it to the assembled laptop. Then, the user pushes the push-pull plate 203, causing the push rod 202 to move within the connecting tube 207. The moving push rod 202 moves the pressing plate 208, bringing it into contact with the rotating block 204. When the pressing plate 208 contacts the rotating block 204, the rotating block 204 rotates. The movement of the first rotating rod 10 causes the rotating block 204 to rotate. When the rotating block 204 rotates, the position of the first friction pad 205 changes. After the position of the first friction pad 205 changes, it will come into contact with the USB port of the peripheral device. With the continuous movement of the pressing plate 208, the first friction pad 205 is tightly attached to the USB port, thereby increasing the connection effect between the USB port and the assembled laptop. At the same time, under the action of the friction ring 206, the friction between the push rod 202 and the connecting tube 207 is increased, preventing the push rod 202 from moving due to external force.

[0035] Example 2: Please refer to Figures 1-9 The present invention provides a technical solution: a laptop casing that can prevent the connecting cable from falling off. The present invention makes corresponding improvements to the technical problems mentioned in the background art.

[0036] As a further definition of the reinforcement mechanism 3 of the present invention, two mounting plates 305 are fixedly connected to both sides of the notebook shell base 1. A knob 301 is rotatably connected to the inner wall of the mounting plate 305 via a bearing. A transmission gear 303 is fixedly connected to one end of the knob 301. A semi-circular gear 306 is meshed with the surface of the transmission gear 303. A second friction pad 304 is fixedly connected to one side of the semi-circular gear 306. The second friction pad 304 is made of rubber. A second rotating rod 8 is fixedly connected to the top and bottom of the semi-circular gear 306. The opposite ends of the two second rotating rods 8 penetrate into the inner wall of the protective shell 201 and are rotatably connected to the inner wall of the protective shell 201.

[0037] A connecting frame 307 is fixedly connected to the top of the support plate 302. A snap-fit ​​sleeve 311 is movably connected to the inner wall of the connecting frame 307. A sliding rod 309 is fixedly connected to one end of the snap-fit ​​sleeve 311. One end of the sliding rod 309 extends through to the outside of the connecting frame 307 and is fixedly connected to a limiting toothed plate 308. The surface of the limiting toothed plate 308 meshes with the surface of the transmission gear 303. A first spring 310 is fixedly connected to the inner wall of the snap-fit ​​sleeve 311. The other end of the first spring 310 is fixedly connected to the inner wall of the connecting frame 307. By using the connecting frame 307, snap-fit ​​sleeve 311, sliding rod 309, limiting toothed plate 308, and first spring 310 in combination, the transmission gear 303 can be limited, preventing the transmission gear 303 from rotating due to external forces.

[0038] A push-pull rod 9 is fixedly connected to the top of the snap-fit ​​sleeve 311, and guide blocks 16 are fixedly connected to both sides of the snap-fit ​​sleeve 311. The surface of the guide blocks 16 is slidably connected to the inner wall of the connecting frame 307. By setting the push-pull rod 9 and the guide blocks 16 in cooperation, the user can easily move the snap-fit ​​sleeve 311, thereby facilitating the user to limit the transmission gear 303.

[0039] By setting up the reinforcement mechanism 3, the stability and firmness of the USB interface of the peripheral device are further increased after it is inserted into the laptop. The two sides of the USB interface are subjected to pressure, which makes the connection between the USB interface and the laptop more stable and firm, thus achieving the goal of further increasing the stability and firmness of the USB interface when it is inserted into the laptop.

[0040] The specific implementation of this embodiment is as follows: To further increase the stability and firmness of the connection between the USB interface of the peripheral device and the assembled laptop, the user first moves the push-pull rod 9 to move the locking sleeve 311. The moving locking sleeve 311 causes the guide block 16 to slide in the connecting frame 307. While moving, the locking sleeve 311 compresses the first spring 310, causing the first spring 310 to deform under force. At the same time, the locking sleeve 311 moves the sliding rod 309, thereby causing the contact between the limiting tooth plate 308 and the transmission gear 303 to separate. At this time, the user rotates the knob 301 to move the transmission gear 303. The rotating transmission gear 303 drives the semicircular... The gear 306 rotates, and the rotating semi-circular gear 306 drives the second friction pad 304 to rotate, causing the angle of the second friction pad 304 to change. When the second friction pad 304 rotates to contact the USB interface of the peripheral device, the USB interface of the peripheral device is tightly fixed in the protective shell 201 by the compression of the second friction pad 304. At this time, the user releases the push-pull rod 9, and the locking sleeve 311, under the push of the first spring 310 against gravity, causes the sliding rod 309 to drive the limiting tooth plate 308 to mesh with the transmission gear 303 again, so that the transmission gear 303 is limited and cannot rotate, thereby further increasing the stability and firmness of the USB interface of the peripheral device in the protective shell 201.

[0041] Example 3: Please refer to Figures 1-9 The present invention provides a technical solution: a laptop casing that can prevent the connecting cable from falling off. The present invention makes corresponding improvements to the technical problems mentioned in the background art.

[0042] As a further definition of the wire harnessing mechanism 4 of the present invention, a second wire harnessing shell 403 is provided on both sides of the first wire harnessing shell 401. A connecting post 405 is fixedly connected to the same side of the first wire harnessing shell 401 and the second wire harnessing shell 403. The side of the connecting post 405 near the laptop shell base 1 is fixedly connected to the laptop shell base 1. An arc-shaped baffle 402 is rotatably connected between the inner walls of the first wire harnessing shell 401 and the second wire harnessing shell 403. A semi-circular ring 404 is fixedly connected to the surface of the arc-shaped baffle 402. There are two semi-circular rings 404. A fixing block 13 is fixedly connected to the top of the second wire harnessing shell 403. A push-pull block 12 is fixedly connected to the top of each of the two semi-circular rings 404. A connecting rod 11 is fixedly connected between the opposite sides of the two push-pull blocks 12. A locking rod 15 is fixedly connected to one side of the push-pull block 12. One end of the locking rod 15 extends to the inner wall of the fixing block 13 and is connected to the fixing block 13. The inner wall is in close contact with the fixing block 13. Two clamping plates 14 are fixedly connected to one side of the fixing block 13. The opposite sides of the two clamping plates 14 are in close contact with the surface of the clamping rod 15. A second spring 407 is fixedly connected to one side of the semicircular ring 404. One end of the second spring 407 is fixedly connected to one side of the laptop shell base 1. A protective sleeve 406 is movably fitted on the surface of the second spring 407. The protective sleeve 406 is made of silicone. By setting the second spring 407 and the protective sleeve 406 to work together, the user can easily reset the semicircular ring 404 when it is moved. This makes it easy for the user to put the USB connection cable into the first cable bundle shell 401 and the second cable bundle shell 403 for binding. By making the protective sleeve 406 into silicone, the protective sleeve 406 can be made malleable, so that it can change with the second spring 407 after being subjected to force.

[0043] By setting up the cable management mechanism 4, users can easily bind the connection cables of peripheral devices when using them, thus preventing the connection cables from becoming tangled during use. When the connection cables become tangled, users may easily pull on the connection cables while using the laptop, causing the USB connection cable interface to separate from the laptop. This achieves the purpose of binding the connection cables of peripheral devices.

[0044] The specific implementation method of this embodiment is as follows: In order to facilitate the user to bind and organize the connection cable of the peripheral device, the user first moves the connecting rod 11 to drive the push-pull block 12 to move. The movement drives the semi-circular ring 404 to rotate the arc-shaped baffle 402. When the arc-shaped baffle 402 is rotated to 180 degrees, the semi-circular ring 404 drives the second spring 407 to move at the same time, so that the second spring 407 deforms under the compression of the semi-circular ring 404. At this time, the user puts the connection cable of the peripheral device into the first cable bundle shell 401. Then the user releases the connecting rod 11. At this time, the arc-shaped baffle 402 returns to its original position under the action of the anti-gravity force of the second spring 407, thus binding the power cable of the peripheral device between the arc-shaped baffle 402 and the first cable bundle shell 401.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A notebook shell capable of avoiding the falling of connecting lines, comprising a notebook shell base (1) and a notebook shell upper cover (5), the connection between the notebook shell base (1) and the notebook shell upper cover (5) is connected through a damping rotating shaft, and a power supply interface reserved hole (6) is arranged on the inner wall of the notebook shell base (1), characterized in that: The laptop casing base (1) is provided with anti-detachment mechanisms (2) on both sides, reinforcement mechanisms (3) on both sides, and cable management mechanisms (4) on both sides; the anti-detachment mechanism (2) includes a protective shell (201), and there are four protective shells (201). The protective shell (201) is fixedly connected to the laptop casing base (1) on the side closest to the laptop casing base (1). The anti-detachment mechanism (2) is used to prevent the USB cable from falling off; the reinforcement mechanism The structure (3) includes a support plate (302), and there are four support plates (302). The support plate (302) is fixedly connected to the laptop housing base (1) on the side close to the laptop housing base (1). The reinforcement mechanism (3) is used to further fix the USB connection cable. The cable binding mechanism (4) includes a first cable binding shell (401), and there are two first cable binding shells (401). The two first cable binding shells (401) are respectively disposed on both sides of the laptop housing base (1). The cable binding mechanism (4) is used to bind the USB connection cable. ​ 2. A notebook casing that prevents connecting cables from detaching, as described in claim 1, characterized in that: An installation groove (7) is provided between the opposite sides of the two protective shells (201). A connecting pipe (207) is fixedly connected between the inner walls of the two installation grooves (7). A friction ring (206) is fixedly connected to the inner wall of the connecting pipe (207). A push rod (202) is slidably connected to the inner wall of the friction ring (206). A pressing plate (208) is fixedly connected to one end of the push rod (202), and a push-pull plate (203) is fixedly connected to the other end of the push rod (202).

3. A notebook casing that prevents the connecting cable from detaching, as described in claim 2, characterized in that: The inner walls of the four protective shells (201) are rotatably connected to rotating blocks (204), and the opposite sides of the two rotating blocks (204) are fixedly connected to first friction pads (205). The first friction pads (205) are made of rubber. The rotating blocks (204) are used in conjunction with the extrusion plate (208).

4. A notebook casing that prevents the connecting cable from detaching according to claim 3, characterized in that: The top and bottom of the rotating block (204) are fixedly connected with first rotating rods (10), and the opposite ends of the two first rotating rods (10) penetrate through the inner wall of the protective shell (201) and are rotatably connected to the inner wall of the protective shell (201).

5. A notebook casing that prevents the connecting cable from detaching according to claim 1, characterized in that: Two mounting plates (305) are fixedly connected to both sides of the base (1) of the notebook casing. A knob (301) is rotatably connected to the inner wall of the mounting plate (305) via a bearing. A transmission gear (303) is fixedly connected to one end of the knob (301). A semi-circular gear (306) is meshed with the surface of the transmission gear (303). A second friction pad (304) is fixedly connected to one side of the semi-circular gear (306). The second friction pad (304) is made of rubber. A second rotating rod (8) is fixedly connected to the top and bottom of the semi-circular gear (306). The opposite ends of the two second rotating rods (8) penetrate into the inner wall of the protective shell (201) and are rotatably connected to the inner wall of the protective shell (201).

6. A notebook casing that prevents connecting cables from detaching according to claim 1, characterized in that: A connecting frame (307) is fixedly connected to the top of the support plate (302). A snap-fit ​​sleeve (311) is movably connected to the inner wall of the connecting frame (307). A sliding rod (309) is fixedly connected to one end of the snap-fit ​​sleeve (311). One end of the sliding rod (309) extends through to the outside of the connecting frame (307) and is fixedly connected to a limiting toothed plate (308). The surface of the limiting toothed plate (308) meshes with the surface of the transmission gear (303). A first spring (310) is fixedly connected to the inner wall of the snap-fit ​​sleeve (311). The other end of the first spring (310) is fixedly connected to the inner wall of the connecting frame (307).

7. A notebook casing that prevents the connecting cable from detaching according to claim 6, characterized in that: The top of the snap-fit ​​sleeve (311) is fixedly connected to a push-pull rod (9), and both sides of the snap-fit ​​sleeve (311) are fixedly connected to guide blocks (16). The surface of the guide block (16) is slidably connected to the inner wall of the connecting frame (307).

8. A notebook casing that prevents connecting cables from detaching according to claim 1, characterized in that: A second wire harness shell (403) is provided on both sides of the first wire harness shell (401). A connecting post (405) is fixedly connected to the same side of the first wire harness shell (401) and the second wire harness shell (403). The side of the connecting post (405) near the notebook housing base (1) is fixedly connected to the notebook housing base (1). An arc-shaped baffle (402) is rotatably connected between the inner walls of the first wire harness shell (401) and the second wire harness shell (403). A semi-circular ring (404) is fixedly connected to the surface of the arc-shaped baffle (402). There are two semi-circular rings (404).

9. A notebook casing that prevents the connecting cable from detaching according to claim 8, characterized in that: A fixing block (13) is fixedly connected to the top of the second wire harness shell (403). Push-pull blocks (12) are fixedly connected to the top of the two semicircular rings (404). A connecting rod (11) is fixedly connected between the opposite sides of the two push-pull blocks (12). A locking rod (15) is fixedly connected to one side of the push-pull block (12). One end of the locking rod (15) extends to the inner wall of the fixing block (13) and is in close contact with the inner wall of the fixing block (13). A locking plate (14) is fixedly connected to one side of the fixing block (13). There are two locking plates (14). The opposite sides of the two locking plates (14) are in close contact with the surface of the locking rod (15).

10. A notebook casing that prevents connecting cables from detaching according to claim 9, characterized in that: A second spring (407) is fixedly connected to one side of the semicircular ring (404). One end of the second spring (407) is fixedly connected to one side of the notebook housing base (1). A protective sleeve (406) is movably fitted on the surface of the second spring (407). The protective sleeve (406) is made of silicone material.

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