Signal terminal adapter and case

Abstract

The utility model provides a signal terminal adapter and a cabinet. The signal terminal adapter comprises a connecting part and a fixing part. The connecting part is provided with a first opening for a cable of a first signal connector to pass through, and a first end of the connecting part is used for being connected with the first signal connector; the fixing part is matched with a second signal connector clamping port of the case, the fixing part is provided with a second opening opposite to the first opening, the first end of the fixing part is connected with the second end of the connecting part, and the second end of the fixing part is used for being connected with the case. According to the utility model, one case can be connected with various signal connectors, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of adapters, and particularly relates to a signal terminal adapter and a chassis. Background Art

[0002] Signal connectors are used to realize signal transmission between different electronic devices. Due to the limitation of the chassis of most electronic devices, generally only one type of signal connector is supported for connection. For example, for a vehicle-mounted charger, its chassis generally sets a corresponding installation structure according to the specifications of a certain type of signal connector. When it is necessary to connect with other signal connectors, it is necessary to redesign the installation structure of the chassis to adapt to the corresponding signal connector, resulting in an increase in cost. Content of the Utility Model

[0003] The utility model provides a signal terminal adapter and a chassis, aiming to solve the problem that the chassis of current electronic devices can only be connected to one type of signal connector.

[0004] In a first aspect, the utility model provides a signal terminal adapter, which includes a connection part and a fixing part; the connection part is provided with a first opening for a cable of a first signal connector to pass through, and the first end of the connection part is used for connecting to the first signal connector; the fixing part is adapted to the card interface of a second signal connector of the chassis, the fixing part is provided with a second opening opposite to the first opening, and the first end of the fixing part is connected to the second end of the connection part, and the second end of the fixing part is used for connecting to the chassis.

[0005] Further, the connection part includes a first connection surface and a second connection surface opposite to the first connection surface; the first connection surface is used for connecting to the first signal connector, and the second connection surface is used for connecting to the fixing part; wherein, the first opening penetrates through the first connection surface and the second connection surface.

[0006] Further, at least one first fixing hole is provided around the first opening on the first connection surface, and the first fixing hole is used for fixedly connecting to the first signal connector.

[0007] Further, the fixing part includes a first fixing surface and a second fixing surface adjacent to the first fixing surface, and the second fixing surface is the side surface of the fixing part; the first fixing surface is used as the first end of the fixing part for connecting to the connection part, and the second fixing surface is used as the second end of the fixing part for connecting to the chassis.

[0008] Further, a platform part extends from the bottom of the second end of the fixing part towards the side of the chassis, and the platform part is used for connecting to the chassis.

[0009] Further, at least one second fixing hole is provided on the platform portion, and the second fixing hole is used for fixedly connecting with the chassis.

[0010] Further, a butting portion extends from a side of the second end of the fixing portion toward one side of the chassis. The butting portion is connected to the platform portion, and the butting portion is used for butting against the chassis, and a fixing member avoiding position relative to the second fixing hole is provided on the butting portion.

[0011] Further, a sealing member adapted to the second signal connector card interface of the chassis is further included, and a sealing groove for adaptively fixing the sealing member is provided at the top of the fixing portion.

[0012] Further, a limiting groove is further provided at the connection portion of the fixing portion and the connecting portion. The limiting groove is used for being clamped with the second signal connector card interface of the chassis, and after being clamped, the sealing member abuts against the inner side of the chassis.

[0013] In a second aspect, the present utility model further provides a chassis, which includes the signal terminal adapter described in any one of the above.

[0014] The chassis disclosed by the present utility model includes a signal terminal adapter. The signal terminal adapter includes a connecting portion and a fixing portion connected to the connecting portion. The connecting portion is provided with a first opening for the cable of the first signal connector to pass through, and the first end of the connecting portion is used for connecting with the first signal connector. The fixing portion is adapted to the second signal connector card interface of the chassis, and a second opening is provided on the fixing portion opposite to the first opening. The first end of the fixing portion is connected to the second end of the connecting portion, and the second end of the fixing portion is connected to the chassis. Generally, the chassis can be directly connected to the second signal connector. When it is necessary to change the type of the signal connector, the connecting portion can be connected to the first signal connector, and then the fixing portion can be connected to the chassis, so as to realize that one chassis can support the connection with multiple types of signal connectors, reducing the cost. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 is the front structural diagram of the signal terminal adapter provided by an embodiment of the present utility model;

[0017] Figure 2 is the back structural diagram of the signal terminal adapter provided by an embodiment of the present utility model;

[0018] Figure 3 is a structural diagram of the chassis without the signal terminal adapter assembled according to an embodiment of the present utility model;

[0019] Figure 4 is a front structural diagram of the chassis with the signal terminal adapter assembled according to an embodiment of the present utility model;

[0020] Figure 5 is a back structural diagram of the chassis with the signal terminal adapter assembled according to an embodiment of the present utility model;

[0021] Figure 6 is a back structural diagram of the chassis with the cable assembled according to an embodiment of the present utility model; Description of the Drawings:

[0023] 1000, chassis;

[0024] 100, signal terminal adapter; 10, connecting part; 11, first opening; 12, first connecting surface; 13, second connecting surface; 14, first fixing hole; 20, fixing part; 21, second opening; 22, first fixing surface; 23, second fixing surface; 24, platform part; 25, second fixing hole; 26, abutting part; 27, sealing groove; 28, limiting groove; 29, fixing member avoidance space;

[0025] 200, box body; 300, second signal connector card interface; 400, sealing member;

[0026] 2000, signal connector;

[0027] 3000, cable. Detailed Embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] It should be understood that when used in this specification and the appended claims, the terms "comprises" and "comprising" indicate the presence of the described features, wholes, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, operations, elements, components, and / or their combinations.

[0030] It should also be understood that the terms used in the description of the present utility model herein are merely for the purpose of describing specific embodiments and are not intended to limit the present utility model. As used in the description of the present utility model and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are intended to include the plural forms. It should be further understood that the term " / or" used in the description of the present utility model and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0031] In addition, the directional terms mentioned in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., are only references to the directions of the attached drawings and the usage state of the product. Therefore, the directional terms used are for explaining and understanding the present utility model, rather than for limiting the present utility model. In addition, in the drawings, structures that are similar or the same are denoted by the same reference numerals.

[0032] See Figures 1 to 6 , Figure 1 is the front structural diagram of the signal terminal adapter 100 provided by an embodiment of the present utility model; Figure 2 is the back structural diagram of the signal terminal adapter 100 provided by an embodiment of the present utility model; Figure 3 is the structural diagram of the chassis 1000 when the signal terminal adapter 100 is not assembled, provided by an embodiment of the present utility model; Figure 4 is the front structural diagram of the chassis 1000 when the signal terminal adapter 100 is assembled, provided by an embodiment of the present utility model; Figure 5 is the back structural diagram of the chassis 1000 when the signal terminal adapter 100 is assembled, provided by an embodiment of the present utility model; Figure 6 is the back structural diagram of the chassis 1000 when the cable 3000 is assembled, provided by an embodiment of the present utility model.

[0033] As Figure 1 , Figure 2 and Figure 6 shown, the signal terminal adapter 100 includes a connection part 10 and a fixing part 20; the connection part 10 is provided with a first opening 11 for the cable 3000 of the first signal connector 2000 to pass through, and the first end of the connection part 10 is used for connecting with the first signal connector 2000; the fixing part 20 is adapted to the second signal connector card interface 300 of the chassis 1000, and is provided with a second opening 21 opposite to the first opening 11, and the first end of the fixing part 20 is connected to the second end of the connection part 10, and the second end of the fixing part 20 is used for connecting with the chassis 1000.

[0034] Specifically, asFigure 3 As shown in the figure, the chassis 1000 may include a box body 200. A second signal connector card interface 300 is provided on the box body 200. On the one hand, the second signal connector card interface 300 is used to install a matching second signal connector, and on the other hand, it is used to install a signal terminal adapter 100. The second signal connector refers to a signal connector that matches the chassis 1000 and can be directly installed on the box body 200 and connected to the circuit module inside the box body 200. For example, for a certain vehicle charger that is adapted to the A signal connector, the structure of the second signal connector card interface 300 of the chassis 1000 of the vehicle charger is adapted to the A signal connector. When the A signal connector is needed, the A signal connector can be directly installed on the second signal connector card interface 300. When it is necessary to replace the A signal connector with the B signal connector, the signal terminal adapter 100 can be first connected to the B signal connector, and then the signal terminal adapter 100 can be installed on the second signal connector card interface 300.

[0035] The signal terminal adapter 100 is used to connect to the first signal connector 2000 and the box body 200 to realize the connection between the chassis 1000 and the first signal connector 2000. It should be noted that the types of the first signal connector 2000 and the second signal connector are different. The signal terminal adapter 100 may include a connecting portion 10 and a fixing portion 20. The connecting portion 10 may include a first opening 11, and the first opening 11 is used for the cable 3000 of the first signal connector 2000 to pass through. At the same time, a fixing structure for fixing to the first signal connector 2000 may be provided on the connecting portion 10. The fixing structure may be a common mechanical fixing structure, and its specific structure is not limited here. The structure of the side of the connecting portion 10 connected to the first signal connector 2000 is adapted to the structure of the first signal connector 2000 to facilitate adapting to one or several types of signal connectors, and the other side of the connecting portion 10 is connected to the fixing portion 20.

[0036] The fixing portion 20 is used for fixedly connecting to the box body 200. It is provided with a second opening 21 opposite to the first opening 11, and the second opening 21 is used for the cable 3000 to pass through. That is, the cable 3000 can pass through the first opening 11 and the second opening 21 in sequence and enter the inside of the box body 200, facilitating electrical connection with the circuit module inside the box body 200.

[0037] As Figures 3 to 6 shown, Figure 3 is a structural diagram of the box body 200 when the second signal connector and the signal terminal adapter 100 are not assembled. In actual use, if only connection to the second signal connector is required, the second signal connector can be directly installed on Figure 3On the second signal connector card interface 300 in it. If it is necessary to connect the first signal connector 2000, the connecting part 10 of the first signal connector 2000 to be connected can be first connected to the signal terminal adapter 100, and then the fixing part 20 can be fixed to the box body 200, such as Figure 4 and Figure 5 shown, Figure 4 and Figure 5 are both structural diagrams of the box body 200 after assembling the signal terminal adapter 100. After the signal terminal adapter 100 is assembled, the cable 3000 can enter the interior of the box body 200 through the first opening 11 and the second opening 21, such as Figure 6 shown.

[0038] See Figure 1 and Figure 2 As a further embodiment, the connecting part 10 includes a first connecting surface 12 and a second connecting surface 13 arranged opposite to the first connecting surface 12; the first connecting surface 12 is used to connect with the first signal connector 2000, and the second connecting surface 13 is used to connect with the fixing part 20; wherein, the first opening 11 penetrates through the first connecting surface 12 and the second connecting surface 13.

[0039] Among them, the connecting part 10 can include a first connecting surface 12 and a second connecting surface 13. The first connecting surface 12 and the second connecting surface 13 are arranged opposite to each other. The first connecting surface 12 is used to connect the signal adapter, and the second connecting surface 13 is used to connect with the fixing part 20. The specific shape of the first connecting surface 12 can be adjusted according to the type of the first signal connector 2000. For example, if the assembly surface of a certain type or several types of signal connectors is a rectangular surface, the first connecting surface 12 can be set as a rectangular surface for connecting with the first signal connector 2000. A first opening 11 penetrating through the connecting part 10 is also provided on the first connecting surface 12. The first opening 11 is used for the cable 3000 to pass through, facilitating the cable 3000 to pass through the connecting part 10 and enter the fixing part 20. The second connecting surface 13 is mainly used to connect with the fixing part 20, and it can be connected to the fixing part 20 through a fixing structure or be integrally formed with the fixing part 20.

[0040] As a further embodiment, the first connecting surface 12 is provided with at least one first fixing hole 14 around the first opening 11, and the first fixing hole 14 is used for fixedly connecting with the first signal connector 2000.

[0041] Among them, the first connection surface 12 and the first signal connector 2000 can be fixedly connected by screws. At least one first fixing hole 14 can be provided on the first connection surface 12. Correspondingly, fixing holes are also provided on the first signal connector 2000 opposite to the first fixing holes 14, and they can be fixedly connected by screws to improve the stability during connection. The number of the first fixing holes 14 can be one or more, and can be adjusted according to the actual situation. For example, the number of the first fixing holes 14 can be four, and the four first fixing holes 14 are all arranged around the first opening 11. Specifically, one first fixing hole 14 can be provided at each of the four corners of the first connection surface 12.

[0042] See Figure 1 and Figure 2 As a further embodiment, the fixing part 20 includes a first fixing surface 22 and a second fixing surface 23 adjacent to the first fixing surface 22. The second fixing surface 23 is the side surface of the fixing part 20. The first fixing surface 22 is used as the first end of the fixing part 20 to connect with the connecting part 10, and the second fixing surface 23 is used as the second end of the fixing part 20 to connect with the chassis 1000.

[0043] Among them, the fixing part 20 can include a first fixing surface 22 and a second fixing surface 23, and the first fixing surface 22 and the second fixing surface 23 are adjacent to each other. For example, the front surface of the fixing part 20 is the first fixing surface 22, and the side surface of the fixing part 20 is the second fixing surface 23, which includes the bottom side surface, the left side surface and the right side surface. The first fixing surface 22 is used to connect with the connecting part 10, and the second fixing surface 23 is used to fixedly connect with the box body 200. At the same time, the second opening 21 penetrates through the fixing part 20. After the cable 3000 passes through the connecting part 10, it can enter the interior of the box body 200 through the second opening 21, that is, the second opening 21 communicates the first opening 11 and the interior of the chassis 1000.

[0044] See Figure 2 As a further embodiment, a platform part 24 extends from the bottom side surface of the second end of the fixing part 20 toward the side of the chassis 1000, and the platform part 24 is used to connect with the chassis 1000.

[0045] Among them, a platform part 24 extends from the bottom of the second end of the fixing part 20 toward the outside, that is, a platform part 24 is provided on the bottom side surface of the second end of the fixing part 20, and the bottom of the platform part 24 abuts against the box body 200. The platform part 24 is used to fixedly connect with the box body 200 to improve the stability when the signal terminal adapter 100 is connected to the box body 200. A fixing structure can be provided on the platform part 24, and the fixing structure is used to fixedly connect with the box body 200. For example, fixing holes can be provided and connected with the box body 200 through screws and the fixing holes.

[0046] As a further embodiment, at least one second fixing hole 25 is provided on the platform portion 24, and the second fixing hole 25 is used for fixedly connecting with the chassis 1000.

[0047] Among them, at least one second fixing hole 25 can be provided on the platform portion 24, and fixing holes are also provided on the box body 200 opposite to the second fixing hole 25, which is convenient for fixing connection by screws. The number and position of the second fixing holes 25 can be set according to specific situations. For example, one second fixing hole 25 can be provided on each of the two sides of the platform portion 24 close to the outside, that is, two second fixing holes 25 can be provided, and the box body 200 is connected through the two second fixing holes 25.

[0048] As a further embodiment, an abutting portion 26 extends from the side of the second end of the fixing portion 20 toward one side of the chassis 1000, that is, the left side and the right side of the second end of the fixing portion 20 are respectively provided with the abutting portion 26, and the abutting portion 26 is used for abutting against the chassis 1000, and a fixing member avoiding position 29 opposite to the second fixing hole 25 is provided on the abutting portion 26. Among them, an abutting portion 26 extends from the side of the second end of the fixing portion 20 toward the outside, and the abutting portion 26 is used for abutting against the box body 200, so as to limit the fixing portion 20. As Figure 2 shown, an abutting portion 26 can extend from each of the two sides of the second end of the fixing portion 20 toward the outside, and the bottom of the abutting portion 26 is connected to the platform portion 24. At the same time, a fixing member avoiding position 29 opposite to the second fixing hole 25 can also be provided on the abutting portion 26, which is convenient for the screw to pass through the second fixing hole 29 and improves the convenience during assembly.

[0049] See Figure 2 and Figure 5 , as a further embodiment, a sealing member 400 adapted to the second signal connector card interface 300 of the chassis 1000 is further included, and a sealing groove 27 for adaptively fixing with the sealing member 400 is opened at the top of the fixing portion 20.

[0050] Among them, a sealing groove 27 can be provided at the top of the fixing portion 20, and the sealing groove 27 is used for installing the sealing member 400, which is convenient for realizing the sealing function. On the one hand, the sealing groove 27 is adapted to the sealing member 400, and on the other hand, the sealing member 400 is adapted to the second signal connection card interface. Even if the second signal connector is replaced with the signal terminal adapter 100, there is no need to replace the sealing member 400 again, which can not only improve the convenience, but also further reduce the cost. In addition, the sealing member 400 can specifically be a rubber strip.

[0051] See Figure 2, as a further embodiment, a limiting groove 28 is further provided at the connection of the fixing portion 20 and the connecting portion 10. The limiting groove 28 is used for being clamped with the second signal connector clamping interface 300 of the chassis 1000. After being clamped, the sealing member 400 abuts against the inner side of the chassis 1000.

[0052] Wherein, a limiting groove 28 is provided at the connection of the fixing portion 20 and the connecting portion 10. The limiting groove 28 is used for being clamped with the second signal connector clamping interface 300 of the chassis 1000 to facilitate the limiting of the fixing portion 20. For example, the connecting portion 10 may include a first connecting surface 12, and the fixing portion 20 may include a first fixing surface 22. A limiting groove 28 is formed between the first connecting surface 12 and the first fixing surface 22. During assembly, the limiting groove 28 abuts against the frame of the box body 200 to limit the fixing portion 20 and improve the assembly efficiency.

[0053] The present utility model further provides a chassis 1000, which includes the signal terminal adapter 100 according to any one of the above embodiments; the signal terminal adapter 100 includes a connecting portion 10 and a fixing portion 20; the connecting portion 10 is provided with a first opening 11 for a cable 3000 of the first signal connector 2000 to pass through, and the first end of the connecting portion 10 is used for connecting with the first signal connector 2000; the fixing portion 20 is adapted to the second signal connector clamping interface 300 of the chassis 1000, and a second opening 21 is provided opposite to the first opening 11. The first end of the fixing portion 20 is connected to the second end of the connecting portion 10, and the second end of the fixing portion 20 is used for connecting with the chassis 1000.

[0054] Specifically, as Figure 3 shown, the chassis 1000 may include a box body 200. A second signal connector clamping interface 300 is provided on the box body 200. On the one hand, the second signal connector clamping interface 300 is used for installing a matching second signal connector, and on the other hand, it is used for installing the signal terminal adapter 100. The second signal connector refers to a signal connector that matches the chassis 1000 and can be directly installed on the box body 200 and connected to the circuit module inside the box body 200. For example, for a certain vehicle-mounted charger that is adapted to an A signal connector, the structure of the second signal connector clamping interface 300 of the chassis 1000 of the vehicle-mounted charger is adapted to the A signal connector. When the A signal connector needs to be used, the A signal connector can be directly installed on the second signal connector clamping interface 300. When it is necessary to replace the A signal connector with a B signal connector, the signal terminal adapter 100 can be first connected to the B signal connector, and then the signal terminal adapter 100 can be installed on the second signal connector clamping interface 300.

[0055] The signal terminal adapter 100 is used to connect with the first signal connector 2000 and the box body 200 to realize the connection between the chassis 1000 and the first signal connector 2000. It should be noted that the types of the first signal connector 2000 and the second signal connector are different. The signal terminal adapter 100 may include a connecting portion 10 and a fixing portion 20. The connecting portion 10 may include a first opening 11 for the cable 3000 of the first signal connector 2000 to pass through. At the same time, the connecting portion 10 may be provided with a fixing structure for fixing with the first signal connector 2000. This fixing structure may be a common mechanical fixing structure, and its specific structure is not limited here. The structure of the surface of the connecting portion 10 connected to the first signal connector 2000 is adapted to the structure of the first signal connector 2000 to facilitate the adaptation to one or several types of signal connectors. The other surface of the connecting portion 10 is connected to the fixing portion 20.

[0056] The fixing portion 20 is used for fixedly connecting with the box body 200. It is provided with a second opening 21 opposite to the first opening 11 for the cable 3000 to pass through. That is, the cable 3000 can pass through the first opening 11 and the second opening 21 in sequence and enter the interior of the box body 200, which is convenient for electrical connection with the circuit module inside the box body 200.

[0057] As Figures 3 to 6 shown, Figure 3 Figure 10 shows the structure diagram of the box body 200 without the second signal connector and the signal terminal adapter 100 assembled. In actual use, if only connection with the second signal connector is required, the second signal connector can be directly installed on the Figure 3 second signal connector card interface 300 in it. If connection with the first signal connector 2000 is required, the first signal connector 2000 to be connected can be first connected to the connecting portion 10 of the signal terminal adapter 100, and then the fixing portion 20 is fixed to the box body 200, as shown in Figure 4 and Figure 5 shown, Figure 4 and Figure 5 Figures 18 and 19 are both structure diagrams of the box body 200 after the signal terminal adapter 100 is assembled. After the signal terminal adapter 100 is assembled, the cable 3000 can enter the interior of the box body 200 through the first opening 11 and the second opening 21, as shown in Figure 6 Figure 22.

[0058] In addition, the chassis further includes a box cover, and a sealing structure adapted to the seal 400 is provided on the box cover. In this way, after the second signal connector or the signal terminal adapter 100 is fixed on the box body 200, the box cover is installed on the box body 200 to complete the assembly and sealing of the chassis.

[0059] The signal terminal adapter and chassis disclosed by the present utility model can be connected to a signal connector through a connecting portion, and the signal terminal adapter is connected to the chassis through a fixing portion, so that one chassis can be connected to a variety of signal connectors, reducing costs.

[0060] As described above, it is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A signal terminal adapter, characterized in that: Applied to a chassis, the signal terminal adapter comprises: A connecting portion, wherein the connecting portion is provided with a first opening for a cable of a first signal connector to pass through, and a first end of the connecting portion is used for connecting with the first signal connector; The fixing part is adapted to the second signal connector card interface of the chassis, the fixing part is provided with a second opening opposite to the first opening, and the first end of the fixing part is connected to the second end of the connecting part, and the second end of the fixing part is used to connect to the chassis.

2. The signal terminal adapter according to claim 1, characterized in that: The connecting portion includes a first connecting surface and a second connecting surface arranged opposite to the first connecting surface; The first connection surface is used to connect with the first signal connector, and the second connection surface is used to connect with the fixing portion; Wherein, the first opening passes through the first connecting surface and the second connecting surface.

3. The signal terminal adapter according to claim 2, characterized in that: The first connecting surface is provided with at least one first fixing hole surrounding the first opening, and the first fixing hole is used for fixed connection with the first signal connector.

4. The signal terminal adapter according to claim 1, wherein: The fixing portion includes a first fixing surface and a second fixing surface arranged adjacent to the first fixing surface, wherein the second fixing surface is a side surface of the fixing portion; The first fixing surface is used as the first end of the fixing portion to be connected to the second end of the connecting portion, and the second fixing surface is used as the second end of the fixing portion to be connected to the chassis.

5. The signal terminal adapter according to claim 1, characterized in that: A platform portion is extended from a bottom side surface of the second end of the fixing portion toward one side of the chassis, and the platform portion is used to be connected to the chassis.

6. The signal terminal adapter according to claim 5, characterized in that: The platform portion is provided with at least one second fixing hole, and the second fixing hole is used for fixed connection with the chassis.

7. The signal terminal adapter according to claim 6, characterized in that: The side edge of the second end of the fixing portion extends an abutment portion toward one side of the chassis, the abutment portion is connected to the platform portion, and the abutment portion is used to abut against the chassis, and the abutment portion is provided with a fixing member avoidance position relative to the second fixing hole.

8. The signal terminal adapter according to claim 1, wherein: It also includes a sealing member adapted to the second signal connector card interface of the chassis, and a sealing groove adapted to be fixed to the sealing member is provided on the top of the fixing portion.

9. The signal terminal adapter according to claim 8, characterized in that: The fixing portion is further provided with a limiting groove at the connection position with the connecting portion, and the limiting groove is used for engaging with the second signal connector card interface of the chassis, and after engaging, the sealing member abuts against the inner side of the chassis.

10. A chassis, characterized in that: It comprises the signal terminal adapter as described in any one of claims 1-9.

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