Portable wireless network card with heat dissipation function

Abstract

The utility model belongs to the technical field of wireless network cards, and particularly relates to a portable wireless network card with a heat dissipation function, which comprises a wireless network card, two antennas and a fixing strip, the fixing strip is fixedly mounted at one end of the wireless network card, the two antennas are respectively and rotatably mounted on two sides of the wireless network card, and the fixing strip is fixedly mounted at the other end of the wireless network card. Rotating rods are rotatably mounted on the two sides of the fixing strip, sliding grooves are formed in the two rotating rods, rectangular strips are slidably mounted in the two sliding grooves, two tension springs are fixedly mounted at one ends of the two rectangular strips, and one ends of the four tension springs are fixedly connected with the inner walls of the two sliding grooves correspondingly; the protection shell is fixedly installed at the other ends of the two rectangular strips, a limiting groove is formed in the protection shell, a rectangular plate is installed in the limiting groove in an inserted mode, and the protection shell is matched with an interface of the wireless network card in an inserted mode; and meanwhile, the information carved on the rectangular plate is convenient for a picker to contact a lost person, and the rectangular plate is convenient to disassemble and assemble.

Description

Technical Field

[0001] This utility model belongs to the field of wireless network card technology, and in particular relates to a portable wireless network card with heat dissipation function. Background Technology

[0002] A wireless network card is a hardware device that connects to the Internet through wireless communication technology. It supports protocols such as Wi-Fi and Bluetooth and is used by devices such as laptops and desktops to access wireless networks, enabling wireless Internet access and data transmission.

[0003] Existing wireless network cards have several drawbacks. Due to their small size and portability, they are easily lost when not in use due to improper storage or accidental dislodgement during transport, resulting in direct economic losses. Furthermore, once inserted into the slot, the card may break if accidentally bumped, damaging the entire device. Therefore, we propose a portable wireless network card with a heat dissipation function. Utility Model Content

[0004] The purpose of this invention is to provide a portable wireless network card with heat dissipation function to solve the problems mentioned in the background art.

[0005] In view of this, the present invention provides a portable wireless network card with heat dissipation function, including a wireless network card and two antennas, and further including:

[0006] A fixing strip is fixedly installed at one end of the wireless network card. Two antennas are rotatably installed on both sides of the wireless network card. Rotating rods are rotatably installed on both sides of the fixing strip. Sliding grooves are opened in both rotating rods. Rectangular strips are slidably installed in both sliding grooves. Two tension springs are fixedly installed at one end of each of the two rectangular strips. One end of each of the four tension springs is fixedly connected to the inner wall of the two sliding grooves.

[0007] A protective shell is fixedly installed at the other end of two rectangular strips. A limiting groove is formed inside the protective shell, and a rectangular plate is inserted and installed in the limiting groove. The protective shell is also connected to the interface of the wireless network card.

[0008] A fixing component, located inside the protective shell, is used to fix the position of the rectangular plate;

[0009] Two sets of reset components are located inside two rotating rods, and are used to reset the rotation of the two rotating rods respectively.

[0010] In this technical solution, when the wireless network card needs to be used, the protective shell is first pulled away from the wireless network card. The protective shell causes the two rectangular bars to slide, and at the same time, the four tension springs are stretched. When the protective shell is no longer in contact with the wireless network card interface, the protective shell is rotated. The protective shell rotates through the two rotating rods. When the protective shell is released, under the action of the tension of the four tension springs, the two rectangular bars slide towards the tension springs. The two rectangular bars cause the protective shell to slide, and then the protective shell contacts the two rotating rods. Then, the user inserts the wireless network card into the computer interface. At this time, the protective shell is released. Through the set reset component, the protective shell rotates and makes tight contact with the computer case. When the user accidentally touches the wireless network card, the wireless network card is squeezed. Then the wireless network card squeezes the protective shell. Since the protective shell is in contact with the computer case, the computer case can reduce the squeezing force on the wireless network card, so that the wireless network card will not be squeezed and damaged.

[0011] The information engraved on the rectangular plate makes it easy for the finder to contact the person who lost it. When the wireless network card is no longer in use, the rectangular plate needs to be removed to prevent the leakage of personal information. With the help of a fixed component, the user can pry off the rectangular plate with their fingernail. The rectangular plate can also be installed by reversing the above operation to ensure that the personal information on the rectangular plate will not be leaked at will.

[0012] In the above technical solution, the fixing component further includes:

[0013] A sliding bar is slidably installed in a limiting groove and located below a rectangular plate. Several springs fixed to the inner wall of the limiting groove are fixedly installed on one side of the sliding bar. Two guide grooves are opened at the top of the sliding bar. Guide posts are slidably installed in both guide grooves. Limiting plates are fixedly installed at the top of both guide posts. The two limiting plates are located on both sides of the rectangular plate. The ends of the two limiting plates that are close to each other extend into the rectangular plate and are inserted into the rectangular plate.

[0014] In this technical solution, the information engraved on the rectangular plate facilitates the finder's contact with the loser. When the wireless network card is no longer in use, the rectangular plate needs to be removed to prevent the leakage of personal information. The user pulls the slider, which compresses several springs. The slider drives two guide posts away from each other through two guide grooves. The two guide posts drive two limit plates to slide away from each other. Finally, the user can pry off the rectangular plate with their fingernail. The rectangular plate can also be installed through the reverse operation to ensure that the personal information on the rectangular plate will not be leaked at will.

[0015] In the above technical solution, the reset component further includes:

[0016] A rotating groove is formed inside a rotating rod. A connecting column is fixedly installed at one end of a fixing bar. One end of the connecting column extends into the rotating groove and is rotatably connected to the rotating groove. A torsion spring is sleeved on the connecting column, and both ends of the torsion spring are fixedly connected to the fixing bar and the inner wall of the rotating groove, respectively.

[0017] In this technical solution, when the wireless network card needs to be used, the protective shell is first pulled away from the wireless network card. The protective shell causes the two rectangular bars to slide, and at the same time, the four tension springs are stretched. When the protective shell is no longer in contact with the wireless network card interface, it is rotated. The protective shell rotates through the two rotating rods, and at the same time, the two torsion springs are twisted. When the protective shell is released, under the tension of the four tension springs, the two rectangular bars slide towards the tension springs, and the two rectangular bars drive the protective shell to slide. Then the protective shell contacts the two rotating rods. Subsequently, the user inserts the wireless network card into the computer interface. At this time, the protective shell is released. Under the torsional force of the two torsion springs, the protective shell rotates and makes tight contact with the computer case. When the user accidentally touches the wireless network card, the wireless network card is squeezed, and then the wireless network card squeezes the protective shell. Because the protective shell is in contact with the computer case, the computer case can reduce the squeezing force on the wireless network card, so that the wireless network card will not be squeezed and damaged.

[0018] Furthermore, in the above technical solution, a heat dissipation groove is provided on the top of the wireless network card.

[0019] In this technical solution, the heat dissipation slots are designed to prevent the wireless network card from overheating during use.

[0020] In the above technical solution, a fixing plate is further fixedly installed at the bottom of the sliding bar, the lower end of the fixing plate passes through the limiting groove and extends to the outside, and the fixing plate is slidably connected to the limiting groove.

[0021] In this technical solution, the fixed plate facilitates the user's pulling of the sliding bar.

[0022] In the above technical solution, furthermore, each of the springs is provided with a fixing post, each of the fixing posts is slidably connected to the sliding strip, and each of the fixing posts is fixedly connected to the limiting groove.

[0023] In this technical solution, the sliding bar slides on several fixed posts to ensure the stability of the sliding bar during sliding, and it can also limit the movement of several springs to ensure the stability of the springs during use.

[0024] Furthermore, in the above technical solution, the two rectangular strips and the protective shell are integrally formed.

[0025] In this technical solution, the stability of the two rectangular strips and the protective shell during use is ensured.

[0026] The beneficial effects of this utility model are:

[0027] 1. This portable wireless network card with heat dissipation function can prevent damage when the user accidentally touches it and the card is squeezed. The card then squeezes the protective shell, which is in contact with the computer case. The computer case can reduce the squeezing force on the wireless network card, preventing it from being damaged.

[0028] 2. This portable wireless network card with heat dissipation function has information engraved on the rectangular plate to facilitate contact between the finder and the loser. When the wireless network card is not in use, the rectangular plate needs to be removed to prevent the leakage of personal information. With the setting of fixing components, the user can finally pry off the rectangular plate with their fingernail, ensuring that the personal information on the rectangular plate will not be disclosed at will. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0030] Figure 2 This is one of the schematic diagrams of the cross-sectional structure of the rotating rod of this utility model;

[0031] Figure 3 This is the second schematic diagram of the cross-sectional structure of the rotating rod of this utility model;

[0032] Figure 4 This is a schematic diagram of the protective shell area structure of this utility model;

[0033] Figure 5 This is one of the schematic diagrams of the cross-sectional structure of the protective shell of this utility model;

[0034] Figure 6 This is a schematic diagram of the partial explosion structure of this utility model;

[0035] Figure 7 This is the second schematic diagram of the cross-sectional structure of the protective shell of this utility model;

[0036] Figure 8 This is a schematic diagram of the cross-sectional structure of the rectangular plate of this utility model.

[0037] The markings in the diagram are as follows:

[0038] 1. Wireless network card; 2. Antenna; 3. Heat dissipation slot; 4. Fixing strip; 5. Rotating rod; 6. Sliding groove; 7. Rectangular strip; 8. Tension spring; 9. Protective shell; 10. Limiting groove; 11. Rectangular plate; 12. Rotating groove; 13. Connecting post; 14. Torsion spring; 15. Sliding strip; 16. Spring; 17. Guide groove; 18. Guide post; 19. Limiting plate; 20. Fixing post; 21. Fixing plate. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0040] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0041] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0042] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0043] It should be noted that, in this application, 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0044] Example 1:

[0045] Please see Figure 1 - Figure 8 As shown, this embodiment provides a portable wireless network card with heat dissipation function, including a wireless network card 1 and two antennas 2, and also includes:

[0046] A fixing strip 4 is fixedly installed at one end of the wireless network card 1. Two antennas 2 are rotatably installed on both sides of the wireless network card 1. Rotating rods 5 are rotatably installed on both sides of the fixing strip 4. Sliding grooves 6 are opened in both rotating rods 5. Rectangular strips 7 are slidably installed in both sliding grooves 6. Two tension springs 8 are fixedly installed at one end of both rectangular strips 7. One end of each of the four tension springs 8 is fixedly connected to the inner wall of the two sliding grooves 6.

[0047] The protective shell 9 is fixedly installed at the other end of the two rectangular bars 7. A limiting groove 10 is opened inside the protective shell 9. A rectangular plate 11 is inserted and installed in the limiting groove 10. The protective shell 9 is connected and mated with the interface of the wireless network card 1.

[0048] A fixing component is located inside the protective shell 9 and is used to fix the position of the rectangular plate 11.

[0049] Two sets of reset components are located inside the two rotating rods 5, and are used to reset the rotation of the two rotating rods 5 respectively.

[0050] When wireless network card 1 is needed, firstly, the protective shell 9 is pulled away from the wireless network card 1. The protective shell 9 causes the two rectangular bars 7 to slide, and at the same time, the four tension springs 8 are stretched. When the protective shell 9 is no longer in contact with the interface of the wireless network card 1, the protective shell 9 is rotated. The protective shell 9 rotates through the two rotating rods 5. When the protective shell 9 is released, under the action of the tension of the four tension springs 8, the two rectangular bars 7 slide towards the tension springs 8. The two rectangular bars 7 cause the protective shell 9 to slide, and then the protective shell 9 contacts the two rotating rods 5. Then, the user inserts the wireless network card 1 into the computer interface. At this time, the protective shell 9 is released. Through the set reset component, the protective shell 9 rotates and makes close contact with the computer case. When the user accidentally touches the wireless network card 1, the wireless network card 1 is squeezed. Then the wireless network card 1 squeezes the protective shell 9. Since the protective shell 9 is in contact with the computer case, the computer case can reduce the squeezing force on the wireless network card 1, so that the wireless network card 1 will not be squeezed and damaged.

[0051] The information engraved on the rectangular plate 11 makes it easy for the finder to contact the loser. When the wireless network card 1 is no longer in use, the rectangular plate 11 needs to be removed to prevent the leakage of personal information. Through the fixed components, the user can pry off the rectangular plate 11 with their fingernail. The rectangular plate 11 can also be installed through the reverse operation to ensure that the personal information on the rectangular plate 11 will not be leaked at will.

[0052] In this embodiment, the fixing component includes:

[0053] A sliding bar 15 is slidably installed in the limiting groove 10 and located below the rectangular plate 11. Several springs 16 fixed to the inner wall of the limiting groove 10 are fixedly installed on one side of the sliding bar 15. Two guide grooves 17 are opened at the top of the sliding bar 15. Guide posts 18 are slidably installed in both guide grooves 17. Limiting plates 19 are fixedly installed at the top of both guide posts 18. The two limiting plates 19 are located on both sides of the rectangular plate 11. The ends of the two limiting plates 19 that are close to each other extend into the rectangular plate 11, and the ends of the two limiting plates 19 that are close to each other are inserted into the rectangular plate 11.

[0054] The information engraved on the rectangular plate 11 facilitates the finder's contact with the loser. When the wireless network card 1 is not in use, the rectangular plate 11 needs to be removed to prevent the leakage of personal information. The user pulls the sliding bar 15 to slide, and several springs 16 are compressed and contracted. The sliding bar 15 drives the two guide posts 18 to move away from each other through the two guide grooves 17. The two guide posts 18 drive the two limit plates 19 to slide and move away from each other. Finally, the user can pry out the rectangular plate 11 with their fingernail. The rectangular plate 11 can also be installed through the above reverse operation to ensure that the personal information on the rectangular plate 11 will not be leaked at will.

[0055] In this embodiment, the reset component includes:

[0056] A rotating groove 12 is formed inside the rotating rod 5. A connecting post 13 is fixedly installed at one end of the fixing strip 4. One end of the connecting post 13 extends into the rotating groove 12 and is rotatably connected to the rotating groove 12. A torsion spring 14 is sleeved on the connecting post 13. The two ends of the torsion spring 14 are fixedly connected to the fixing strip 4 and the inner wall of the rotating groove 12, respectively.

[0057] When wireless network card 1 is needed, firstly, the protective shell 9 is pulled away from the wireless network card 1. The protective shell 9 causes the two rectangular bars 7 to slide, and at the same time, the four tension springs 8 are stretched. When the protective shell 9 is no longer in contact with the interface of the wireless network card 1, the protective shell 9 is rotated. The protective shell 9 rotates through the two rotating rods 5, and at the same time, the two torsion springs 14 are twisted. When the protective shell 9 is released, under the action of the tension of the four tension springs 8, the two rectangular bars 7 slide towards the tension springs 8. The two rectangular bars 7 cause the protective shell 9 to slide, and then the protective shell 9 contacts the two rotating rods 5. Then, the user inserts the wireless network card 1 into the computer interface. At this time, the protective shell 9 is released. Under the action of the torsion force of the two torsion springs 14, the protective shell 9 rotates and makes close contact with the computer case. When the user accidentally touches the wireless network card 1, the wireless network card 1 is squeezed. Then the wireless network card 1 squeezes the protective shell 9. Since the protective shell 9 is in contact with the computer case, the computer case can reduce the squeezing force on the wireless network card 1, so that the wireless network card 1 will not be squeezed and damaged.

[0058] Example 2:

[0059] This embodiment provides a portable wireless network card with heat dissipation function, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0060] In this embodiment, a heat dissipation slot 3 is provided on the top of the wireless network card 1.

[0061] The heat dissipation slot 3 is designed to prevent the wireless network card 1 from overheating during use.

[0062] Example 3:

[0063] This embodiment provides a portable wireless network card with heat dissipation function, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0064] In this embodiment, a fixing plate 21 is fixedly installed at the bottom of the sliding bar 15. The lower end of the fixing plate 21 passes through the limiting groove 10 and extends to the outside. The fixing plate 21 is slidably connected to the limiting groove 10.

[0065] The fixed plate 21 facilitates the user to pull the sliding bar 15.

[0066] Example 4:

[0067] This embodiment provides a portable wireless network card with heat dissipation function, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0068] In this embodiment, each of the springs 16 is provided with a fixing post 20, the fixing posts 20 are slidably connected to the sliding strip 15, and the fixing posts 20 are fixedly connected to the limiting groove 10.

[0069] The sliding bar 15 slides on several fixed posts 20 to ensure the stability of the sliding bar 15 when it slides, and can limit the movement of several springs 16 to ensure the stability of the springs 16 during use.

[0070] Example 5:

[0071] This embodiment provides a portable wireless network card with heat dissipation function, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0072] In this embodiment, the two rectangular strips 7 and the protective shell 9 are integrally formed.

[0073] This ensures the stability of the two rectangular bars 7 and the protective shell 9 during use.

[0074] It is worth noting that the structure and principle of the wireless network card 1 in this embodiment are existing technologies. For details, please refer to the prior art document (publication number CN219372745U, patent name is a USB wireless network card), which will not be repeated here.

[0075] Working principle: When wireless network card 1 needs to be used, first pull the protective shell 9 to slide away from wireless network card 1. The protective shell 9 drives the two rectangular bars 7 to slide, and at the same time, the four tension springs 8 are stretched. When the protective shell 9 is no longer in contact with the interface of wireless network card 1, rotate the protective shell 9. The protective shell 9 rotates through the two rotating rods 5, and at the same time, the two torsion springs 14 are twisted. When the protective shell 9 is released, under the action of the tension of the four tension springs 8, the two rectangular bars 7 slide towards the tension springs 8. The two rectangular bars 7 drive the protective shell 9 to slide, and then the protective shell 9 contacts the two rotating rods 5. Then, the user inserts the wireless network card 1 into the computer interface. At this time, the protective shell 9 is released. Under the action of the torsion force of the two torsion springs 14, the protective shell 9 rotates and makes close contact with the computer case. When the user accidentally touches the wireless network card 1, the wireless network card 1 is squeezed. Then the wireless network card 1 squeezes the protective shell 9. Since the protective shell 9 is in contact with the computer case, the computer case can reduce the squeezing force on the wireless network card 1, so that the wireless network card 1 will not be squeezed and damaged.

[0076] The information engraved on the rectangular plate 11 facilitates contact between the finder and the loser. When the wireless network card 1 is not in use, the rectangular plate 11 needs to be removed to prevent the leakage of personal information. The user pulls the fixed plate 21 and causes the sliding bar 15 to slide. Several springs 16 are compressed and contracted, and the sliding bar 15 slides on several fixed posts 20 to ensure the stability of the sliding bar 15 when sliding. It can also limit the movement of several springs 16 to ensure the stability of several springs 16 during use. The sliding bar 15 drives two guide posts 18 away from each other through two guide grooves 17. The two guide posts 18 drive two limit plates 19 to slide away from each other. Finally, the user can use their fingernail to pry off the rectangular plate 11. The rectangular plate 11 can also be installed through the above reverse operation to ensure that the personal information on the rectangular plate 11 will not be leaked at will.

[0077] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A portable wireless network card with heat dissipation function, comprising a wireless network card (1) and two antennas (2), characterized in that, Also includes: A fixing strip (4) is fixedly installed at one end of a wireless network card (1). Two antennas (2) are rotatably installed on both sides of the wireless network card (1). Rotating rods (5) are rotatably installed on both sides of the fixing strip (4). Sliding grooves (6) are opened in both rotating rods (5). Rectangular strips (7) are slidably installed in both sliding grooves (6). Two tension springs (8) are fixedly installed at one end of each of the two rectangular strips (7). One end of each of the four tension springs (8) is fixedly connected to the inner wall of the two sliding grooves (6). A protective shell (9) is fixedly installed at the other end of two rectangular strips (7). A limiting groove (10) is opened in the protective shell (9). A rectangular plate (11) is inserted into the limiting groove (10). The protective shell (9) is connected to the interface of the wireless network card (1). A fixing component, located inside the protective shell (9), is used to fix the position of the rectangular plate (11); Two sets of reset components are located in the two rotating rods (5) respectively, and are used to reset the rotation of the two rotating rods (5).

2. A portable wireless network card with heat dissipation function according to claim 1, characterized in that, The fixing component includes: A sliding bar (15) is slidably installed in a limiting groove (10) and located below a rectangular plate (11). Several springs (16) fixed to the inner wall of the limiting groove (10) are fixedly installed on one side of the sliding bar (15). Two guide grooves (17) are opened at the top of the sliding bar (15). Guide posts (18) are slidably installed in both guide grooves (17). Limiting plates (19) are fixedly installed at the top of both guide posts (18). The two limiting plates (19) are located on both sides of the rectangular plate (11). The ends of the two limiting plates (19) that are close to each other extend into the rectangular plate (11), and the ends of the two limiting plates (19) that are close to each other are inserted into the rectangular plate (11).

3. A portable wireless network card with heat dissipation function according to claim 2, characterized in that, The reset component includes: A rotating groove (12) is formed inside a rotating rod (5). A connecting column (13) is fixedly installed at one end of a fixing strip (4). One end of the connecting column (13) extends into the rotating groove (12) and is rotatably connected to the rotating groove (12). A torsion spring (14) is sleeved on the connecting column (13). Both ends of the torsion spring (14) are fixedly connected to the inner wall of the fixing strip (4) and the rotating groove (12), respectively.

4. A portable wireless network card with heat dissipation function according to claim 1, characterized in that, The top of the wireless network card (1) has a heat dissipation slot (3).

5. A portable wireless network card with heat dissipation function according to claim 2, characterized in that, A fixing plate (21) is fixedly installed at the bottom of the sliding bar (15). The lower end of the fixing plate (21) passes through the limiting groove (10) and extends to the outside. The fixing plate (21) is slidably connected to the limiting groove (10).

6. A portable wireless network card with heat dissipation function according to claim 2, characterized in that, Each of the springs (16) is provided with a fixing post (20), each of the fixing posts (20) is slidably connected to the sliding bar (15), and each of the fixing posts (20) is fixedly connected to the limiting groove (10).

7. A portable wireless network card with heat dissipation function according to claim 1, characterized in that, The two rectangular strips (7) and the protective shell (9) are integrally formed.

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