Network adapter

Abstract

The utility model discloses a network adapter, which relates to the technical field of network adapters and comprises a lower cover and an upper cover. The locking assembly is used for fixedly connecting the lower cover and the upper cover together and comprises a first shell, the first shell is fixedly connected with an inner cavity of the adjacent first connecting groove, a first limiting assembly is arranged on the upper portion of an inner cavity of the first shell, the first limiting assembly comprises a connecting rod, a first spring and a connecting block, and the connecting rod is fixedly connected with the upper portion of the inner cavity of the first shell. The connecting block is fixedly connected with the upper part of the inner cavity of the shell. According to the utility model, the clamping block II is separated from the inner cavity of the adjacent clamping groove I, and then the inner cavity of the clamping block II is not contacted with the outer surface of the connecting bolt, so that the position limitation on the connecting groove II can be relieved, and then a worker can separate the upper cover from the lower cover and inspect and maintain parts in the inner cavity of the lower cover; therefore, a worker can maintain parts in the adapter shell without the help of a tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to network adapter technical field, concretely relates to a network adapter. BACKGROUND

[0002] Network adapter, also known as network card or network interface card, is a kind of hardware equipment that connects computer to network, it is inserted into host expansion slot, as the interface of host and network, is used to coordinate the sending and receiving of data, instruction or information between host and network, in sending end, network card converts the serial digital signal generated by host into bit stream that can be transmitted through transmission medium;In receiving end, network card reorganizes the bit stream received through transmission medium into data that can be processed by local device.

[0003] In the existing network adapter design and maintenance process, a significant problem is the complexity and potential risk of maintaining internal parts, in particular, in order to access and maintain the internal components of the network adapter, technicians often have to resort to professional tools to open the tightly integrated upper cover of the shell, this process is tedious and challenging, including positioning and removing the fixing screws on the shell, using professional tools to carefully pry along the seam of the shell to separate the upper and lower covers, and carefully removing the internal PCBA module (printed circuit board assembly module), this series of delicate operations requires extremely high skill, and any carelessness may damage the shell, thereby affecting the electromagnetic shielding performance and overall structural stability of the network adapter, once the shell is damaged, not only the appearance of the product is destroyed, but also its electromagnetic shielding ability may be weakened, leading to unstable data transmission and even network failure, further, even if the shell is successfully opened, the maintenance and replacement of internal components also require deep professional knowledge and specific tools, which undoubtedly increases the complexity and time-consuming of maintenance, making the entire maintenance process difficult and time-consuming.

[0004] Chinese patent document CN211745070U discloses a network adapter device with heat dissipation function, which comprises a shell, a heat dissipation plate, a circuit board and a heat dissipation fan, the heat dissipation plate is installed in the middle part of the shell, the circuit board is installed on the upper part of the heat dissipation plate, the lower bottom of the shell is provided with a heat dissipation air inlet channel, the heat dissipation fan is installed inside the heat dissipation air inlet channel, the heat dissipation plate is provided with a plurality of matrix distributed through holes, the circuit board is provided with a plurality of air holes corresponding to the through holes, the upper part of the shell is provided with a heat dissipation air outlet channel on both sides;But there are still the following defects in the implementation process:

[0005] Although the device in the above document achieves the effect of dissipating heat for the network adapter, when opening the shell and maintaining the internal parts, the upper cover of the shell needs to be opened with the help of tools, which causes the problem of not being convenient for the maintenance and repair of the network adapter body in the shell. UTILITY MODEL CONTENTS

[0006] The utility model discloses a network adapter to solve the problems in the above background technology.

[0007] To solve the above technical problem, the utility model adopts the technical scheme of:

[0008] A network adapter, including lower cover and upper cover, the four around of upper cover inner chamber all are fixedly connected with connecting groove no. 2, the inner chamber of connecting groove no. 2 all is seted up with the clamping groove no. 1, the inner chamber of clamping groove no. 1 middle part all is fixedly connected with the connecting bolt, the four around of lower cover inner chamber all are fixedly connected with connecting groove no. 1, the inner chamber of connecting groove no. 1 all is provided with locking assembly, and locking assembly is used for connecting and fixing together with lower cover and upper cover, and locking assembly includes shell no. 1, and shell no. 1 is fixedly connected with the inner chamber of adjacent connecting groove no. 1, and the upper part of shell no. 1 inner chamber is provided with first limit component, and first limit component includes connecting rod, spring no. 1 and connecting block, and connecting rod is fixedly connected with the upper part of shell no. 1 inner chamber, and connecting block is fixedly connected with the upper part of shell no. 1 inner chamber, and connecting rod is fixedly connected with connecting block, and the outer surface of connecting rod is slidably connected with wedge block no. 2, and the outer surface of connecting rod is slidably connected with clamping block no. 2, and wedge block no. 2 is fixedly connected with clamping block no. 2, and the side of spring no. 1 close to connecting block is fixedly connected with connecting block, and the side of spring no. 1 close to clamping block no. 2 is fixedly connected with clamping block no. 2, and clamping block no. 2 is slidably connected with connecting block, and the lower part of shell no. 1 inner chamber is threadedly connected with drive component.

[0009] Adopt the above technical scheme, in this scheme, through drive component and shell no. 1 threadedly connected, can drive component be moved down by rotating drive component, then remove the position limit of drive component to wedge block no. 2, then under the action of spring no. 1 elasticity, will drive spring no. 1 to stretch, then will push clamping block no. 2 move to the side away from connecting block, so as to drive clamping block no. 2 from adjacent clamping groove no. 1 inner chamber separates, then the inner chamber of clamping block no. 2 and the outer surface of connecting bolt are no longer in contact, so as to remove the position limit of connecting groove no. 2, then the staff can separate upper cover and lower cover, and the parts in lower cover inner chamber are checked and maintained.

[0010] The further improvement of the utility model technical scheme is that: drive component includes bolt, bolt and shell no. 1 inner chamber lower part threadedly connected, the lower part of bolt inner chamber is slidably connected with operating rod, the upper part of bolt inner chamber is slidably connected with limit block, operating rod upper end and limit block lower end fixed connection, bolt upper part rotatably connected with rotating rod, rotating rod upper part rotatably connected with bearing block, bearing block upper end fixedly connected with wedge block no. 1.

[0011] The above-mentioned technical solution is adopted, in which the upper end of the operating rod is fixedly connected to the lower end of the limit block, so that the operating rod can be slid downward in the inner cavity of the bolt, and then the limit block can be driven to slide downward in the inner cavity of the bolt, which makes it convenient for the staff to control the operation rod to rotate; when the staff drives the operating rod to rotate, the limit block will be driven to rotate together, and then the limit block can be used to apply a force to the bolt, driving the bolt to rotate, and then the position height of the bolt in the inner cavity of the shell can be adjusted; the upper part of the bolt is rotatably connected to the rotating rod, and then the upper part of the rotating rod is rotatably connected to the bearing block, so that the rotation of the rotating rod can be avoided when the bolt rotates, and the bearing block can be avoided to rotate, and then when the position of the bolt changes, the rotating rod and the bearing block can be driven to move together, so that wedge one and wedge two can be driven to apply a force.

[0012] A further improvement of the technical solution of the present utility model is that the opposing surfaces of the wedge block 2 and the wedge block 1 fit together, and a groove is provided in the middle of the wedge block 1.

[0013] The above-mentioned technical solution is adopted. In this solution, by making the opposite surfaces of wedge block 2 and wedge block 1 fit together, when the bolt is used to drive wedge block 1 to move upward, a force can be applied to wedge block 2 through wedge block 1, and then wedge block 2 can be driven to move toward the connecting block, and then block 2 can be driven to move toward the connecting bolt; by providing a groove in the middle part of wedge block 1, it can be avoided that the connecting rod does not block the displacement of wedge block 1 when wedge block 1 moves upward.

[0014] A further improvement of the technical solution of the present invention is that a placement groove is provided on the upper portion of the inner cavity of the bolt, and the inner cavity of the placement groove is communicated with the inner cavity of the bolt, and a spring piece is fixedly connected to the inner cavity of the placement groove.

[0015] The above-mentioned technical solution is adopted. In this solution, a spring sheet is fixedly connected to the inner cavity of the placement groove, so that the spring sheet can be used to limit the position of the limit block in the inner cavity of the bolt, preventing the limit block from accidentally sliding downward in the inner cavity of the bolt, and then driving the operating rod to move downward in the inner cavity of the bolt, affecting the bolt's reception of the operating rod.

[0016] A further improvement of the technical solution of the present utility model is that: a plurality of card blocks 1 are fixedly connected to the middle of the upper end of the lower cover, a plurality of card slots 3 are opened in the middle of the lower end of the upper cover, and the card blocks 1 are carded with the inner cavities of the adjacent card slots 3.

[0017] The above technical solution is adopted. In this solution, by allowing the card block one to be engaged with the adjacent card slot three inner cavity, the sealing performance of the connection between the lower cover and the upper cover can be improved, preventing external dust and the like from entering the inner cavity of the lower cover through the connection gap between the lower cover and the upper cover and causing damage to the parts in the inner cavity of the lower cover.

[0018] The further improvement in the technical scheme of the utility model lies in that: the upper cover middle part is provided with a heat dissipation groove, a filter screen plate is slidably connected to the upper part of the heat dissipation groove, a second clamping groove is formed around the upper part of the heat dissipation groove, a butt joint block is fixedly connected to the lower part of the filter screen plate, and the butt joint block is slidably connected to the inner cavity of the adjacent heat dissipation groove.

[0019] By means of the above technical scheme, the heat dissipation groove is arranged in the middle part of the upper cover, so that the heat dissipation groove can be used for heat dissipation when the network adapter is running, the butt joint block is slidably connected to the second clamping groove, so that the filter screen plate can be installed on the upper part of the heat dissipation groove, then the filter screen plate can be used for filtering the air entering the inner cavity of the heat dissipation groove, the dust in the air can be intercepted, and the dust in the external environment can be prevented from entering the inner cavity of the heat dissipation groove together with the air and then damaging the parts inside the lower cover.

[0020] The further improvement in the technical scheme of the utility model lies in that: the second clamping groove is provided with an installation groove, a second limiting component is fixedly connected to the inner cavity of the installation groove, the second limiting component comprises a second shell and a second spring, the outer surface of the second shell is fixedly connected to the inner cavity of the installation groove, a third clamping block is slidably connected to the inner cavity of the second shell, the side of the second spring, close to the third clamping block, is fixedly connected to the third clamping block, and the side of the second spring, away from the third clamping block, is fixedly connected to the inner wall of the second shell; and the side, close to the second limiting component, of the butt joint block is provided with a fourth clamping groove, which is used in cooperation with the third clamping block.

[0021] By means of the above technical scheme, the second limiting component is fixedly connected to the inner cavity of the installation groove, and the fourth clamping groove, which is used in cooperation with the third clamping block, is arranged on the side, close to the second limiting component, of the butt joint block, so that the elastic force of the second spring can drive the second spring to stretch, the third clamping block can be pushed to move towards the driving component, the side, away from the second spring, of the third clamping block can be pushed into the inner cavity of the fourth clamping groove, and the position of the butt joint block in the inner cavity of the second clamping groove can be limited through cooperation between the fourth clamping groove and the third clamping block.

[0022] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0023] 1. The utility model provides a network adapter, through drive assembly and shell one threaded connection, thereby can pass through rotating drive assembly, drive drive assembly moves down, then remove drive assembly to the position limitation of wedge block no. 2, then under the elastic force of spring no. 1, will drive spring no. 1 to stretch, then will push the clamping block no. 2 moves away from the one side of connecting block, thereby can drive the clamping block no. 2 from adjacent clamping groove no. 1 inner chamber separates, then the inner chamber of clamping block no. 2 and the outer surface of connecting bolt no longer contact, thereby can remove the position limitation to connecting groove no. 2, then the staff can separate the upper cover and the lower cover, inspects and maintains the part in the inner chamber of lower cover, thereby can let the staff need not to repair the part in the inside of adapter shell with the aid of tool, it is convenient to overhaul, maintain the network adapter body in the shell, thereby reduce the threshold and complexity of maintenance, also effectively avoid the shell damage that can be caused due to improper operation, thereby ensure the electromagnetic shielding effect and the stability of overall structure of network adapter, simultaneously, improve the convenience and efficiency of maintenance, make the staff can more quickly, more accurately complete the overhaul and maintenance work of network adapter body.

[0024] 2. The utility model provides a network adapter, through let wedge block no. 2 and the mutual adhesion of the opposite surface of wedge block no. 1, thereby when driving wedge block no. 1 to move up with bolt, can exert force to wedge block no. 2 through wedge block no. 1, then drive wedge block no. 2 moves towards the direction of connecting block, then can drive the clamping block no. 2 moves towards the direction of connecting bolt, through being provided with recess in the middle of wedge block no. 1, thereby can avoid the displacement of wedge block no. 1 when moving up, connecting rod causes the block of wedge block no. 1, thereby facilitate staff to operate drive assembly operation.

[0025] 3. The utility model provides a network adapter, through being provided with spring piece in the inner chamber of placing groove fixed connection, thereby can utilize spring piece to limit the position of limiting block in the inner chamber of bolt, prevent limiting block from happening accident, slide down in the inner chamber of bolt, then drive operating rod to move down in the inner chamber of bolt, influence the storage of operating rod to bolt, thereby can improve the practicality and universality of device. ACCURACY OF DRAWINGS

[0026] The utility model makes further explanation below combining with the drawings.

[0027] Figure 1 It is the whole structure schematic diagram of the utility model;

[0028] Figure 2 It is the upper cover schematic diagram of the utility model;

[0029] Figure 3 It is the whole structure cross section schematic diagram of the utility model;

[0030] Figure 4The overall structure section A of the utility model is enlarged schematic view.

[0031] Figure 5 The lower cover of the utility model is schematic view.

[0032] Figure 6 The locking assembly of the utility model is schematic view.

[0033] Figure 7 The first limiting assembly of the utility model is schematic view.

[0034] Figure 8 The driving assembly of the utility model is schematic view.

[0035] Figure 9 The elastic sheet of the utility model is schematic view.

[0036] Figure 10 The heat dissipation groove of the utility model is schematic view.

[0037] Figure 11 The filter screen plate of the utility model is schematic view.

[0038] Figure 12 The second limiting assembly of the utility model is schematic view.

[0039] In the drawing: 1, lower cover;11, connecting groove one;12, clamping block one;2, upper cover;21, connecting groove two;211, clamping groove one;212, connecting bolt;22, heat dissipation groove;221, clamping groove two;222, installation groove;23, clamping groove three;3, filter screen plate;31, butt joint block;32, clamping groove four;4, locking assembly;41, shell one;42, driving assembly;421, bolt;422, operating rod;423, limiting block;424, rotating rod;425, bearing block;426, wedge block one;43, first limiting assembly;431, connecting rod;432, wedge block two;433, clamping block two;434, spring one;435, connecting block;44, placing groove;441, elastic sheet;5, second limiting assembly;51, shell two;52, clamping block three;53, spring two. DETAILED DESCRIPTION

[0040] The utility model will be further explained in detail in connection with the following examples:

[0041] Example 1

[0042] As Figures 1-7The utility model provides a network adapter, including lower cover 1 and upper cover 2, the upper cover 2 inner chamber all fixedly connected with connecting groove no. 2 21 around, all set up the clamping groove no. 1 211 in the inner chamber of connecting groove no. 2 21, all fixedly connected with connecting bolt 212 in the inner chamber of clamping groove no. 1 211, the lower cover 1 inner chamber all fixedly connected with connecting groove no. 1 11 around, all be provided with locking assembly 4 in the inner chamber of connecting groove no. 1 11, locking assembly 4 is used for connecting and fixing together with lower cover 1 and upper cover 2, locking assembly 4 includes shell no. 1 41, and shell no. 1 41 with adjacent connecting groove no. 1 11 inner chamber fixed connection, the upper portion of the inner chamber of shell no. 1 41 is provided with first limiting component 43, and first limiting component 43 includes connecting rod 431, spring no. 1 434 and connecting block 435, and connecting rod 431 with the upper portion of the inner chamber of shell no. 1 41 fixed connection, and connecting block 435 with the upper portion of the inner chamber of shell no. 1 41 fixed connection, and connecting rod 431 with connecting block 435 fixed connection, and the outer surface of connecting rod 431 is slidably connected with wedge block no. 2 432, and the outer surface of connecting rod 431 is slidably connected with clamping block no. 2 433, and wedge block no. 2 432 with clamping block no. 2 433 fixed connection, and spring no. 1 434 is fixedly connected with connecting block 435 on the side close to connecting block 435, and spring no. 1 434 is fixedly connected with clamping block no. 2 433 on the side close to clamping block no. 2 433, and clamping block no. 2 433 with connecting block 435 slidingly connected, and the lower portion of the inner chamber of shell no. 1 41 is screw connected with drive assembly 42.

[0043] In the embodiment, through the cooperation of lower cover 1 and upper cover 2, the parts can be protected, and through the screw connection of drive assembly 42 and shell no. 1 41, the drive assembly 42 can be driven to move downwards by rotating the drive assembly 42, then the position limitation of wedge block no. 2 432 by the drive assembly 42 is released, then under the elastic force of spring no. 1 434, spring no. 1 434 is stretched, then clamping block no. 2 433 is pushed to move away from connecting block 435, so that clamping block no. 2 433 is separated from the inner chamber of adjacent clamping groove no. 1 211, then the inner chamber of clamping block no. 2 433 is no longer in contact with the outer surface of connecting bolt 212, so that the position limitation of connecting groove no. 2 21 is released, then the staff can separate upper cover 2 from lower cover 1, and check and repair the parts in the inner chamber of lower cover 1.

[0044] Embodiment 2

[0045] As Figure 8 and Figure 9As shown in the embodiment 1, the utility model provides a technical scheme based on the embodiment 1: preferably, the driving assembly 42 includes the bolt 421, the bolt 421 is connected with the lower part of the inner chamber of the shell one 41 in the thread, the lower part of the inner chamber of the bolt 421 is slidably connected with the operating rod 422, the upper part of the inner chamber of the bolt 421 is slidably connected with the limiting block 423, the upper end of the operating rod 422 is fixedly connected with the lower end of the limiting block 423, the upper part of the bolt 421 is rotatably connected with the rotating rod 424, the upper part of the rotating rod 424 is rotatably connected with the bearing block 425, the upper end of the bearing block 425 is fixedly connected with the wedge block one 426, the opposite surfaces of the wedge block two 432 and the wedge block one 426 are mutually adhered, the middle part of the wedge block one 426 is provided with the recess, the upper part of the inner chamber of the bolt 421 is provided with the placing groove 44, and the inner chamber of the placing groove 44 is communicated with the inner chamber of the bolt 421, and the inner chamber of the placing groove 44 is fixedly connected with the spring piece 441.

[0046] In the embodiment, when the lower cover 1 needs to be separated from the upper cover 2, first, the staff applies force through the operating rod 422, drives the operating rod 422 to move downward in the inner chamber of the bolt 421, then drives the limiting block 423 to move downward through the operating rod 422, so that the limiting block 423 can be separated from the spring piece 441, then the staff controls the operating rod 422 to rotate, then drives the limiting block 423 to rotate through the operating rod 422, then drives the bolt 421 to rotate through the limiting block 423, then can drive the bolt 421 to move downward in the inner chamber of the shell one 41, when the bolt 421 moves downward, the rotating rod 424 and the bearing block 425 move downward together, then can drive the wedge block one 426 to move downward, when the wedge block one 426 moves downward, the force applied to the wedge block two 432 is removed, then under the elastic force of the spring one 434, the spring one 434 is stretched, then pushes the clamping block two 433 to move away from the connecting block 435, then the clamping block two 433 is separated from the inner chamber of the clamping groove one 211, so that the connecting bolt 212 is separated from the inner chamber of the clamping block two 433, and the position limitation of the connecting groove two 21 is removed.

[0047] Embodiment 3

[0048] As Figure 2 and Figure 5 As shown in the embodiment 2, the utility model provides a technical scheme based on the embodiment 2: preferably, the upper end of the lower cover 1 is fixedly connected with a plurality of clamping blocks one 12, the lower end of the upper cover 2 is provided with a plurality of clamping grooves three 23, and the clamping block one 12 is clamped with the inner chamber of the adjacent clamping groove three 23.

[0049] In this embodiment, then the staff by the upper cover 2 and the lower cover 1 exert force, drive the upper cover 2 and the lower cover 1 separate, in the process of separating, the card block one 12 will be separated from the card slot three 23 inner cavity, then the locking assembly 4 upper part will be separated from the connecting slot two 21 inner cavity, then when the upper cover 2 and the lower cover 1 separate, the staff can check and repair the parts inside the lower cover 1.

[0050] Embodiment 4

[0051] As Figure 10 , Figure 11 and Figure 12 As shown in embodiment 3, on the basis of the utility model provides a technical scheme: preferably, the upper cover 2 middle part is equipped with the heat dissipation groove 22, the heat dissipation groove 22 upper part is connected with the filter screen plate 3 with sliding, the heat dissipation groove 22 upper part is equipped with the card slot two 221 around, the filter screen plate 3 lower part is fixedly connected with the butt joint block 31 around, the butt joint block 31 and the adjacent heat dissipation groove 22 inner cavity are connected with sliding, the card slot two 221 inner cavity is equipped with the installation slot 222, the installation slot 222 inner cavity is fixedly connected with the second limiting assembly 5, the second limiting assembly 5 includes the shell two 51 and spring two 53, the shell two 51 outer surface and installation slot 222 inner cavity fixed connection, the shell two 51 inner cavity is connected with the card block three 52 with sliding, spring two 53 is fixedly connected with the card block three 52 on the side close to the card block three 52, spring two 53 is fixedly connected with the shell two 51 inner wall on the side away from the card block three 52, the butt joint block 31 close to the second limiting assembly 5 one side is equipped with the card slot four 32 for cooperation with the card block three 52.

[0052] In this embodiment, when the dust on the filter screen plate 3 needs to be cleaned, the staff exerts force on the filter screen plate 3 upwards, drives the filter screen plate 3 to separate from the heat dissipation groove 22 upper part, when the filter screen plate 3 separates from the heat dissipation groove 22 upper part, drives the butt joint block 31 to separate from the card slot two 221 inner cavity, then the butt joint block 31 will exert force on the adjacent card block three 52, drives the card block three 52 to move towards the spring two 53 direction, then the spring two 53 under stress will contract, so as to drive the card block three 52 to move away from the card slot four 32 direction, then the card block three 52 separates from the card slot four 32, so as to remove the position limitation of the butt joint block 31, then the staff can take down the filter screen plate 3, then processes the dust on the filter screen plate 3.

[0053] The working principle of the network adapter will be described in detail below.

[0054] As Figures 1-12When the lower cover 1 needs to be separated from the upper cover 2, first, the worker applies force to the operating rod 422, drives the operating rod 422 to move downward in the inner cavity of the bolt 421, then drives the limiting block 423 to move downward through the operating rod 422, so that the limiting block 423 can be separated from the elastic sheet 441, then the worker controls the operating rod 422 to rotate, then drives the limiting block 423 to rotate through the operating rod 422, then drives the bolt 421 to rotate through the limiting block 423, then can drive the bolt 421 to move downward in the inner cavity of the shell one 41, when the bolt 421 moves downward, drives the rotating rod 424 and the bearing block 425 to move downward together, then can drive the wedge one 426 to move downward, when the wedge one 426 moves downward, removes the force applied to the wedge two 432, then under the elastic force of the spring one 434, drives the spring one 434 to stretch, then pushes the clamping block two 433 to move away from the connecting block 435, then the clamping block two 433 is separated from the inner cavity of the clamping groove one 211, so that the connecting bolt 212 is separated from the inner cavity of the clamping block two 433, then the position of the connecting groove two 21 is limited;

[0055] Then the worker applies force to the upper cover 2 and the lower cover 1, drives the upper cover 2 to separate from the lower cover 1, in the process of separation, the clamping block one 12 is separated from the inner cavity of the clamping groove three 23, then the upper part of the locking assembly 4 is separated from the inner cavity of the connecting groove two 21, then when the upper cover 2 is separated from the lower cover 1, the worker can check and maintain the parts inside the lower cover 1;

[0056] When the dust on the filter screen plate 3 needs to be cleaned, the worker applies force to the filter screen plate 3 upward, drives the filter screen plate 3 to separate from the upper part of the heat dissipation groove 22, when the filter screen plate 3 separates from the upper part of the heat dissipation groove 22, drives the abutting block 31 to separate from the inner cavity of the clamping groove two 221, then the abutting block 31 applies force to the adjacent clamping block three 52, drives the clamping block three 52 to move toward the spring two 53, then the spring two 53 is contracted under force, so that the clamping block three 52 can move away from the clamping groove four 32, then the clamping block three 52 is separated from the clamping groove four 32, so that the position of the abutting block 31 is limited, then the worker can take down the filter screen plate 3, then processes the dust on the filter screen plate 3.

[0057] The above is a detailed description of the general application, but some modifications or improvements can be made on the basis of the application, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the application, the modifications or improvements are within the scope of the application.

Claims

1. A network adapter, comprising a lower cover (1) and an upper cover (2); characterized in that: The inner cavity of the upper cover (2) is fixedly connected with a second connecting groove (21) on all four sides, and the inner cavity of the second connecting groove (21) is provided with a card slot (211). The middle part of the inner cavity of the card slot (211) is fixedly connected with a connecting bolt (212). The inner cavity of the lower cover (1) is fixedly connected with a first connecting groove (11) on all four sides, and the inner cavity of the first connecting groove (11) is provided with a locking assembly (4). The locking assembly (4) is used to connect and fix the lower cover (1) and the upper cover (2) together. The locking assembly (4) includes a shell (41), and the shell (41) is fixedly connected to the inner cavity of the adjacent connecting groove (11). The upper part of the inner cavity of the shell (41) is provided with a first limiting assembly (43), and the first limiting assembly (43) includes a connecting rod (431), a spring (434) and a connecting block (435). The connecting rod (431) is fixedly connected to the upper part of the inner cavity of the shell (41), the connecting block (435) is fixedly connected to the upper part of the inner cavity of the shell (41), the connecting rod (431) is fixedly connected to the connecting block (435), the outer surface of the connecting rod (431) is slidably connected to the wedge block 2 (432), the outer surface of the connecting rod (431) is slidably connected to the clamping block 2 (433), the wedge block 2 (432) is fixedly connected to the clamping block 2 (433), the side of the spring (434) close to the connecting block (435) is fixedly connected to the connecting block (435), the side of the spring (434) close to the clamping block 2 (433) is fixedly connected to the clamping block 2 (433), the clamping block 2 (433) is slidably connected to the connecting block (435), and the lower part of the inner cavity of the shell (41) is threadedly connected to the driving component (42).

2. The network adapter according to claim 1, wherein: The driving assembly (42) includes a bolt (421), the bolt (421) is threadedly connected to the lower part of the inner cavity of the housing (41), the lower part of the inner cavity of the bolt (421) is slidably connected to an operating rod (422), the upper part of the inner cavity of the bolt (421) is slidably connected to a limit block (423), the upper end of the operating rod (422) is fixedly connected to the lower end of the limit block (423), the upper part of the bolt (421) is rotatably connected to a rotating rod (424), the upper part of the rotating rod (424) is rotatably connected to a bearing block (425), and the upper end of the bearing block (425) is fixedly connected to a wedge block (426).

3. The network adapter according to claim 2, wherein: The opposing surfaces of the wedge block 2 (432) and the wedge block 1 (426) fit together, and a groove is provided in the middle of the wedge block 1 (426).

4. The network adapter according to claim 2, wherein: A placement groove (44) is provided on the upper portion of the inner cavity of the bolt (421), and the inner cavity of the placement groove (44) is communicated with the inner cavity of the bolt (421), and a spring piece (441) is fixedly connected to the inner cavity of the placement groove (44).

5. The network adapter according to claim 1, wherein: The middle portion of the upper end of the lower cover (1) is fixedly connected with a plurality of card blocks (12), and the middle portion of the lower end of the upper cover (2) is provided with a plurality of card slots (23), and the card blocks (12) are card-engaged with the inner cavities of adjacent card slots (23).

6. The network adapter according to claim 1, wherein: A heat dissipation slot (22) is provided in the middle of the upper cover (2), a filter screen plate (3) is slidably connected to the upper portion of the heat dissipation slot (22), a second clamping slot (221) is provided around the upper portion of the heat dissipation slot (22), a docking block (31) is fixedly connected around the lower portion of the filter screen plate (3), and the docking block (31) is slidably connected to the inner cavity of the adjacent heat dissipation slot (22).

7. The network adapter according to claim 6, wherein: The inner cavity of the second card slot (221) is provided with a mounting slot (222), and the inner cavity of the mounting slot (222) is fixedly connected with a second limiting component (5), and the second limiting component (5) includes a second shell (51) and a second spring (53). The outer surface of the second shell (51) is fixedly connected to the inner cavity of the mounting slot (222), and the inner cavity of the second shell (51) is slidably connected with a third card block (52). The side of the second spring (53) close to the third card block (52) is fixedly connected to the third card block (52), and the side of the second spring (53) away from the third card block (52) is fixedly connected to the inner wall of the second shell (51). The side of the docking block (31) close to the second limiting component (5) is provided with a fourth card slot (32) for use with the third card block (52).

Images