Filter fixing device

Abstract

The utility model relates to the technical field of frequency selecting devices, such as filters, and discloses a filter fixing device, which comprises a socket, the upper side and the lower side of the socket are fixedly connected with fixing plates, the two fixing plates are respectively provided with two bolt holes, the four bolt holes are internally provided with fixing bolts, the front side of the socket is provided with three slots, and the front side of the socket is provided with a fixing bolt. The front side of the socket is provided with a filter body, the rear side of the filter body is fixedly connected with three pins, the three pins are matched with the three slots, the upper sides and the lower sides of the socket and the filter body are respectively provided with a clamping mechanism, and the connection structures of the two clamping mechanisms are the same and are symmetrically arranged up and down. According to the power distribution cabinet provided by the invention, the inserted filter body can be limited and fixed, so that when the power distribution cabinet is moved, vibration generated by bumping does not affect connection of the filter body, good contact of the filter body is ensured, and normal work of the filter body is further ensured.

Description

Technical Field

[0001] This utility model relates to frequency selection devices, such as in the field of filter technology, specifically to filter fixing devices. Background Technology

[0002] A filter is a device used to process signals. Its main function is to selectively allow or block different frequency components of a signal according to specific rules. Filters are widely used in fields such as communications, electronics, audio and video processing. Filters are usually installed at the power input of electrical equipment, such as in distribution cabinets, to cancel high-frequency noise and transient interference in the power input signal.

[0003] Plug-in filters are installed inside the distribution cabinet via sockets and pins. Replacing these filters is very simple and quick. However, there are many types of distribution cabinets, including mobile distribution cabinets widely used in venues requiring temporary power supply, such as stage performances, construction sites, and outdoor events. These mobile cabinets are usually equipped with wheels or handles for easy movement and transport. During transport, if the road conditions are poor, the distribution cabinet will experience bumps, and the resulting vibrations will be transmitted to the filter. This vibration can cause the filter's connection to loosen, leading to poor contact and affecting its normal operation. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a filter fixing device that can limit and fix the plugged-in filter, thereby ensuring that the vibration caused by the movement of the distribution cabinet will not affect the filter connection, thus guaranteeing good contact of the filter and ensuring its normal operation.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a filter fixing device, including a socket, wherein three slots are provided on the front side of the socket, and a filter body is provided on the front side of the socket;

[0008] The rear side of the filter body is fixedly connected with three pins, which are adapted to three slots. The socket and the upper and lower sides of the filter body are provided with snap-fit ​​mechanisms. The socket and the filter body are connected together by two snap-fit ​​mechanisms. The connection structure of the two snap-fit ​​mechanisms is the same and they are arranged symmetrically from top to bottom.

[0009] The locking mechanism includes a first fixing block, a first sliding groove, a locking groove, a second fixing block, a second sliding groove, a control plate, a control groove, a pressing block, a spring, and a locking block.

[0010] Preferably, the socket is fixedly connected to a fixing plate on both the upper and lower sides, and each fixing plate has two bolt holes, with fixing bolts installed inside the four bolt holes.

[0011] Preferably, the first fixing block is fixedly connected to the upper side of the socket, the first sliding groove is formed on the front side of the first fixing block, and the snap-fit ​​groove is formed on the top wall of the first sliding groove;

[0012] The second fixing block is fixedly connected to the upper side of the filter body, and the second sliding groove is opened on the rear side of the second fixing block.

[0013] Preferably, the second sliding groove corresponds to the position of the first sliding groove, and the control plate is slidably connected inside the second sliding groove and the first sliding groove;

[0014] The control groove is located on the upper side of the second fixed block and extends into the interior of the second sliding groove.

[0015] Preferably, the control groove is connected to the interior of the second sliding groove, and the pressing block is fixedly connected to the upper side of the control plate;

[0016] The upper side of the pressing block extends through the control groove to form a second fixing block, which is positioned in the middle of the control plate.

[0017] Preferably, the spring is fixedly connected to the lower side of the control panel, and the lower end of the spring is fixedly connected to the bottom wall of the second sliding groove.

[0018] The snap-fit ​​block is fixedly connected to the upper side of the control panel, and the snap-fit ​​block is compatible with the snap-fit ​​slot.

[0019] (III) Beneficial Effects

[0020] Compared with the prior art, this utility model provides a filter fixing device, which has the following features:

[0021] Beneficial effects:

[0022] (1) The filter fixing device presses the upper and lower pressing blocks on opposite sides. After transmission, the upper and lower locking blocks and control plates will align with the upper and lower first sliding grooves. After aligning the pins with the slots, the filter body is installed. Then, the upper and lower control plates and locking blocks will move into the interior of the two first sliding grooves. After releasing the pressing blocks, the springs begin to reset, which in turn pushes the two control plates to reset. Then, the two control plates push the two locking blocks to reset synchronously, and the two locking blocks will move into the interior of the two locking grooves to form a locking fixation. Thus, when moving the distribution cabinet, the socket and the filter body will not be affected by bumps and poor contact will not occur. When it is necessary to remove the filter body, it can be removed in the above manner. In this way, the filter body after plugging in can be limited and fixed, so that the vibration generated by the bumps when moving the distribution cabinet will not affect the connection of the filter body, ensuring that the filter body has good contact and thus ensuring the normal operation of the filter body.

[0023] (2) The filter fixing device, because the pressing block is set in the middle of the control plate, the front and rear sides of the control plate will remain horizontal when moving up and down, ensuring that the locking block can be completely moved out of the locking groove when the locking is released, ensuring the normal operation of the locking mechanism. In addition, the high hardness spring is not easy to rebound when affected by bumps, ensuring the stability of the locking mechanism. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the filter fixing device of this utility model;

[0025] Figure 2 This is a schematic diagram of the cross-sectional connection structure of the first fixing block and the second fixing block of this utility model;

[0026] Figure 3 for Figure 2 Enlarged view of point A;

[0027] Figure 4 This is a schematic diagram of the connection between the socket and the filter in this utility model.

[0028] In the diagram: 1. Socket; 2. Fixing plate; 3. Bolt hole; 4. Fixing bolt; 5. Slot; 6. Filter body; 7. Pin; 8. First fixing block; 9. First sliding groove; 10. Snap-fit ​​groove; 11. Second fixing block; 12. Second sliding groove; 13. Control plate; 14. Control groove; 15. Pressing block; 16. Spring; 17. Snap-fit ​​block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1 to 4 This utility model provides a new technical solution: a filter fixing device, including a socket 1. Fixing plates 2 are fixedly connected to both the upper and lower sides of the socket 1. Each fixing plate 2 has two bolt holes 3, and fixing bolts 4 are installed inside each of the four bolt holes 3. The socket 1 is installed inside the distribution cabinet via the fixing plates 2, bolt holes 3, and fixing bolts 4. Three slots 5 are provided on the front side of the socket 1, and a filter body 6 is located on the front side of the socket 1. Both the socket 1 and the filter body 6 are existing structures and will not be explained further. The rear side of the filter body 6 is fixed... The fixed connection has three pins 7, which are adapted to three slots 5. The socket 1 and the filter body 6 are provided with snap-fit ​​mechanisms on the upper and lower sides. The socket 1 and the filter body 6 are connected together by two snap-fit ​​mechanisms. The connection structure of the two snap-fit ​​mechanisms is the same and they are arranged symmetrically from top to bottom. The following description focuses on the upper snap-fit ​​mechanism. The snap-fit ​​mechanism includes a first fixing block 8, a first sliding groove 9, a snap-fit ​​groove 10, a second fixing block 11, a second sliding groove 12, a control plate 13, a control groove 14, a pressing block 15, a spring 16, and a snap-fit ​​block 17.

[0031] Furthermore, the first fixing block 8 is fixedly connected to the upper side of the socket 1, the first sliding groove 9 is formed on the front side of the first fixing block 8, the snap-fit ​​groove 10 is formed on the top wall of the first sliding groove 9, the second fixing block 11 is fixedly connected to the upper side of the filter body 6, the second sliding groove 12 is formed on the rear side of the second fixing block 11, the second sliding groove 12 corresponds to the position of the first sliding groove 9, the control plate 13 is slidably connected inside the second sliding groove 12 and the first sliding groove 9, and the control groove 14 is formed on the upper side of the second fixing block 11, extending into... Inside the second sliding groove 12, the control groove 14 is connected to the inside of the second sliding groove 12. The pressing block 15 is fixedly connected to the upper side of the control plate 13. The upper side of the pressing block 15 extends through the control groove 14 to form a second fixing block 11. The pressing block 15 is located in the middle position of the control plate 13. The spring 16 is fixedly connected to the lower side of the control plate 13. The lower end of the spring 16 is fixedly connected to the bottom wall of the second sliding groove 12. The spring 16 has high hardness. The snap-fit ​​block 17 is fixedly connected to the upper side of the control plate 13. The snap-fit ​​block 17 is adapted to the snap-fit ​​groove 10.

[0032] When starting work, when connecting the filter body 6 to the socket 1, the operator presses the upper and lower pressing blocks 15 towards the opposite side. The two pressing blocks 15 then move towards the opposite side, pushing the two control boards 13 to move synchronously towards the opposite side. The two control boards 13 then drive the two locking blocks 17 to move synchronously towards the opposite side. At this time, the springs 16 on both the upper and lower sides are compressed, and the locking blocks 17 and control boards 13 align with the upper and lower first sliding grooves 9. Afterwards, the pins 7 are aligned with the slots 5, and the filter is installed. The main body 6, and then the control plates 13 and snap-fit ​​blocks 17 on the upper and lower sides will move into the two first sliding grooves 9. After releasing the pressing block 15, the spring 16 starts to reset, and then pushes the two control plates 13 to reset. Then the two control plates 13 push the two snap-fit ​​blocks 17 to reset synchronously, and then the two snap-fit ​​blocks 17 will move into the two snap-fit ​​grooves 10 to form a snap-fit ​​fixation. Thus, when moving the power distribution cabinet, the socket 1 and the filter body 6 will not be affected by bumps and poor contact will not occur. When it is necessary to remove the filter body 6, the filter body 6 can be removed in the above manner.

[0033] Meanwhile, because the pressing block 15 is located in the middle of the control plate 13, the front and rear sides of the control plate 13 remain horizontal when moving up and down. This ensures that the locking block 17 can be completely removed from the inside of the locking slot 10 when the locking is released, thus ensuring the normal operation of the locking mechanism. In addition, the high-hardness spring 16 is not easy to rebound when subjected to bumps, ensuring the stability of the locking mechanism. In this way, the filter body 6 after insertion can be limited and fixed, so that the vibration generated by the bumps when moving the distribution cabinet will not affect the connection of the filter body 6, ensuring that the filter body 6 has good contact, and thus ensuring the normal operation of the filter body 6.

[0034] Working principle: When starting work, when connecting the filter body 6 to the socket 1, the operator presses the upper and lower pressing blocks 15 towards the opposite side. The two pressing blocks 15 then move towards the opposite side, pushing the two control boards 13 to move synchronously towards the opposite side. The two control boards 13 then drive the two locking blocks 17 to move synchronously towards the opposite side. At this time, the springs 16 on both sides are compressed, and the locking blocks 17 and control boards 13 align with the upper and lower first sliding grooves 9. Afterwards, the pins 7 are aligned with the slots 5, and the filter is installed. The filter body 6, and subsequently the control boards 13 and snap-fit ​​blocks 17 on the upper and lower sides, will move into the two first sliding grooves 9. After releasing the pressing block 15, the spring 16 will start to reset, thereby pushing the two control boards 13 to reset. Then, the two control boards 13 will push the two snap-fit ​​blocks 17 to reset synchronously, and the two snap-fit ​​blocks 17 will move into the two snap-fit ​​grooves 10 to form a snap-fit ​​fixation. Thus, when moving the power distribution cabinet, the socket 1 and the filter body 6 will not be affected by bumps and poor contact will not occur. When it is necessary to remove the filter body 6, the filter body 6 can be removed in the above manner.

[0035] Meanwhile, because the pressing block 15 is located in the middle of the control plate 13, the front and rear sides of the control plate 13 will remain horizontal when moving up and down, ensuring that the locking block 17 can be completely moved out of the locking groove 10 when the locking is released, thus ensuring the normal operation of the locking mechanism. In addition, the high-hardness spring 16 is not easy to rebound when subjected to bumps, thus ensuring the stability of the locking mechanism.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter fixing device, including a socket (1), three slots (5) are provided on the front side of the socket (1), and a filter body (6) is provided on the front side of the socket (1); The filter body (6) has three pins (7) fixedly connected to its rear side, and the three pins (7) are adapted to three slots (5). The filter body (6) is characterized by: The socket (1) and the filter body (6) are provided with snap-fit ​​mechanisms on the upper and lower sides. The socket (1) and the filter body (6) are connected together by two snap-fit ​​mechanisms. The two snap-fit ​​mechanisms have the same connection structure and are arranged symmetrically from top to bottom. The snap-fit ​​mechanism includes a first fixing block (8), a first sliding groove (9), a snap-fit ​​groove (10), a second fixing block (11), a second sliding groove (12), a control plate (13), a control groove (14), a pressing block (15), a spring (16), and a snap-fit ​​block (17).

2. The filter fixing device according to claim 1, characterized in that: The socket (1) is fixedly connected to the upper and lower sides by fixing plates (2), and two bolt holes (3) are opened on each of the two fixing plates (2). Fixing bolts (4) are installed inside the four bolt holes (3).

3. The filter fixing device according to claim 1, characterized in that: The first fixing block (8) is fixedly connected to the upper side of the socket (1), the first sliding groove (9) is opened on the front side of the first fixing block (8), and the snap-fit ​​groove (10) is opened on the top wall of the first sliding groove (9); The second fixing block (11) is fixedly connected to the upper side of the filter body (6), and the second sliding groove (12) is opened on the rear side of the second fixing block (11).

4. The filter fixing device according to claim 3, characterized in that: The second sliding groove (12) corresponds to the position of the first sliding groove (9), and the control plate (13) is slidably connected inside the second sliding groove (12) and the first sliding groove (9); The control groove (14) is opened on the upper side of the second fixed block (11) and extends into the interior of the second sliding groove (12).

5. The filter fixing device according to claim 4, characterized in that: The control groove (14) is connected to the interior of the second sliding groove (12), and the pressing block (15) is fixedly connected to the upper side of the control plate (13); The upper side of the pressing block (15) extends through the control groove (14) to form a second fixing block (11), and the pressing block (15) is located in the middle of the control plate (13).

6. The filter fixing device according to claim 1, characterized in that: The spring (16) is fixedly connected to the lower side of the control plate (13), and the lower end of the spring (16) is fixedly connected to the bottom wall of the second sliding groove (12). The snap-fit ​​block (17) is fixedly connected to the upper side of the control board (13), and the snap-fit ​​block (17) is adapted to the snap-fit ​​groove (10).

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