Broadband high-insertion-loss AC filter

Abstract

The utility model discloses a broadband high insertion loss AC filter, which comprises a mounting plate, the outer side of the mounting plate is fixedly connected with a mounting seat, the top of the mounting plate is slidably connected with a shell, the front end of the shell is provided with a wiring end, the top of the shell is provided with a cover plate through a screw, the inner wall of the mounting plate is fixedly connected with a guide rod, and the inner wall of the guide rod is fixedly connected with a screw. The other end of the guide rod makes contact with a connecting block, the connecting block and the mounting plate are mounted through screws, an adjusting mechanism is arranged on the shell, and a heat dissipation mechanism is arranged on the cover plate. According to the utility model, the position of the sliding seat can be limited and the relative position of the shell and the mounting plate can be fixed by designing the insertion of the convex block and the groove, and the insertion matching of the convex block and the groove at different positions can be realized by pushing the shell, so that the relative position of the shell and the mounting plate can be adjusted and fixed, and the use position of the filter is convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a broadband high insertion loss AC filter. Background Art

[0002] A broadband high insertion loss AC filter is a device used to change the spectral characteristics of a signal. It can achieve filtering effects by selectively passing or suppressing signals of specific frequencies. Filters are often used in signal processing, communication systems, audio processing, image processing, and other fields.

[0003] The utility model patent with the patent authorization announcement number CN218334259U discloses a semiconductor AC heating high-frequency filter that is easy to maintain, especially related to the field of semiconductor AC heating. To solve the problem that the sealing between the cover and the main body of the semiconductor AC heating high-frequency filter that is easy to maintain is not good, dust easily enters the inside of the main body and causes pollution to the components, the main body cannot be adjusted to a certain position at the bottom plate, and tools are needed to disassemble and assemble the main body when the main body position is temporarily adjusted. The utility model patent includes: a main body, and a cover is provided at the upper end of the main body. Compared with the original installation method, the device uses the first sealing ring and the second sealing ring to increase the sealing between the cover and the main body, reduce dust pollution in the main body, and when the plug is removed from the first perforation, the second perforation and the connecting block, the embedded block at the lower end of the main body is slid in the slide groove at the bottom plate to adjust the position, so that when the position of the main body needs to be temporarily adjusted, no tools are needed for disassembly and assembly.

[0004] In the above prior art, when the filter is used, it is necessary to frequently disassemble and assemble the bolts to adjust the position of the filter, which is troublesome. In addition, the filter adopts a closed structure, the heat dissipation efficiency is insufficient, and the internal heat is not discharged in time, which will cause the internal components to overheat. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide a broadband high insertion loss AC filter, which solves the problem of inconvenient adjustment of the filter installation position and the problem of insufficient heat dissipation effect inside the filter.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a broadband high insertion loss AC filter, comprising a mounting plate, a mounting seat is fixedly connected to the outer side of the mounting plate, a shell is slidably connected to the top of the mounting plate, a wiring terminal is provided at the front end of the shell, a cover plate is installed on the top of the shell by screws, a guide rod is fixedly connected to the inner wall of the mounting plate, the other end of the guide rod is in contact with a connecting block, the connecting block and the mounting plate are installed by screws, an adjustment mechanism is provided on the shell, and a heat dissipation mechanism is provided on the cover plate.

[0007] Preferably, there are multiple mounting seats, which are symmetrically and evenly distributed on the outer side of the mounting plate. By designing the mounting seats, the mounting plate can be installed and fixed.

[0008] Preferably, the adjustment mechanism includes a groove, the mounting plate is provided with a groove inside, a protrusion is slidably connected inside the groove, a sliding seat is slidably sleeved outside the protrusion, the sliding seat is slidably connected to the mounting plate, the sliding seat is fixedly connected to the housing, the sliding seat is slidably sleeved on the outside of the guide rod, the protrusion is slidably sleeved inside with a fixing rod, the fixing rod is fixedly connected to the sliding seat, a first spring is provided outside the fixing rod, a ball is movably sleeved inside the sliding seat, and the ball is slidably connected to the sliding seat. By designing the adjustment mechanism, it is convenient to adjust the use position of the filter.

[0009] Preferably, there are multiple grooves, and the multiple grooves are evenly distributed on the mounting plate. By designing multiple grooves, the protrusion can slide into the grooves at different positions.

[0010] Preferably, one end of the first spring is fixedly connected to the slide seat, and another point of the first spring is fixedly connected to the projection. By designing the first spring, the force of the first spring can act on the projection.

[0011] Preferably, the heat dissipation mechanism includes a second spring, the cover plate is provided with a second spring inside, the cover plate is slidably sleeved with an insert block inside, the top of the insert block is fixedly connected with a slider, the slider is slidably connected with the cover plate, the outer side of the insert block is slidably sleeved with a filter screen, the filter screen is slidably connected with the cover plate, the filter screen is slidably sleeved with an inclined block inside the filter screen, the inclined block contacts the insert block, the top of the inclined block is fixedly connected with a pull rod, the pull rod is slidably connected with the filter screen. By designing the heat dissipation mechanism, the heat dissipation efficiency of the filter can be improved.

[0012] Preferably, one end of the second spring is fixedly connected to the cover plate, and the other end of the second spring is fixedly connected to the plug block. By designing the second spring, the force of the second spring can act on the plug block.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can limit the position of the slide seat by designing the plug-in connection between the protrusion and the groove, and can fix the relative position of the shell and the mounting plate. By pushing the shell, the plug-in connection between the protrusion and the groove at different positions can be achieved, so that the relative position of the shell and the mounting plate can be adjusted and fixed, which is convenient for adjusting the use position of the filter.

[0015] 2. The utility model designs the filter so that the external air can enter the filter after being filtered through the filter, so as to achieve the purpose of ventilation and heat dissipation of the filter components and avoid overheating. The filter can prevent the entry of dust, and the filter can be disassembled by pulling up the pull rod, which is convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 The right side cross-sectional view of the local structure;

[0018] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0019] Figure 4 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure of the filter;

[0020] Figure 5 For this utility model Figure 4 Enlarged view of point B.

[0021] In the figure: 1. mounting plate; 2. mounting seat; 3. housing; 4. wiring terminal; 5. cover plate; 6. guide rod; 7. connecting block; 8. adjustment mechanism; 9. heat dissipation mechanism; 81. groove; 82. protrusion; 83. slide seat; 84. fixing rod; 85. first spring; 86. ball bearing; 91. second spring; 92. plug block; 93. slider; 94. inclined block; 95. filter; 96. pull rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 4A broadband high insertion loss AC filter comprises a mounting plate 1, a mounting seat 2 is fixedly connected to the outer side of the mounting plate 1, the number of the mounting seats 2 is multiple, and the multiple mounting seats 2 are symmetrically and evenly distributed on the outer side of the mounting plate 1. By designing the mounting seats 2, the mounting plate 1 can be installed and fixed, the top of the mounting plate 1 is slidably connected to a shell 3, the front end of the shell 3 is provided with a terminal 4, the top of the shell 3 is installed with a cover plate 5 by screws, the inner wall of the mounting plate 1 is fixedly connected to a guide rod 6, the other end of the guide rod 6 is in contact with a connecting block 7, the connecting block 7 is installed with the mounting plate 1 by screws, the shell 3 is provided with an adjustment mechanism 8, and the cover plate 5 is provided with a heat dissipation mechanism 9.

[0024] See also Figure 1 , Figure 2 , Figure 3 The adjusting mechanism 8 includes a groove 81. The interior of the mounting plate 1 is provided with a groove 81. The interior of the groove 81 is slidably connected with a protrusion 82. The number of the grooves 81 is multiple. The multiple grooves 81 are evenly distributed on the mounting plate 1. By designing multiple grooves 81, the protrusion 82 can slide into the grooves 81 at different positions. The outer side of the protrusion 82 is slidably sleeved with a slide seat 83. The slide seat 83 is slidably connected to the mounting plate 1. The slide seat 83 is fixedly connected to the housing 3. The slide seat 83 is slidably sleeved on the outer side of the guide rod 6. The protrusion 82 The internal sliding sleeve is connected with a fixed rod 84, and the fixed rod 84 is fixedly connected to the sliding seat 83. A first spring 85 is arranged on the outer side of the fixed rod 84, and one end of the first spring 85 is fixedly connected to the sliding seat 83, and the other point of the first spring 85 is fixedly connected to the protrusion 82. By designing the first spring 85, the force of the first spring 85 can act on the protrusion 82. The internal movable sleeve of the sliding seat 83 is connected with a ball 86, and the ball 86 is slidably connected to the sliding seat 83. By designing the adjustment mechanism 8, it is convenient to adjust the use position of the filter.

[0025] See also Figure 1 , Figure 4 , Figure 5 The heat dissipation mechanism 9 includes a second spring 91. The second spring 91 is arranged inside the cover plate 5. One end of the second spring 91 is fixedly connected to the cover plate 5, and the other end of the second spring 91 is fixedly connected to the plug block 92. By designing the second spring 91, the force of the second spring 91 can act on the plug block 92. The cover plate 5 is internally slidably sleeved with the plug block 92. The top of the plug block 92 is fixedly connected with a slider 93. The slider 93 is slidably connected to the cover plate 5. The outer side of the plug block 92 is slidably sleeved with a filter screen 95. The filter screen 95 is slidably connected to the cover plate 5. The inner side of the filter screen 95 is slidably sleeved with an inclined block 94. The inclined block 94 contacts the plug block 92. The top of the inclined block 94 is fixedly connected with a pull rod 96. The pull rod 96 is slidably connected to the filter screen 95. By designing the heat dissipation mechanism 9, the heat dissipation efficiency of the filter can be improved.

[0026] The specific implementation process of the utility model is as follows: during use, when it is necessary to adjust the use position of the filter, the shell 3 is directly pushed, and the shell 3 drives the slide 83 to slide along the guide rod 6, and the slide 83 drives the protrusion 82 to slide along the groove 81. The protrusion 82 is squeezed by the inclined surface of the groove 81 and moves in the vertical direction. The protrusion 82 slides along the fixed rod 84, and the protrusion 82 squeezes the first spring 85. At the same time, the protrusion 82 drives the ball 86 to slide along the slide 83, so that the protrusion 82 can slide out of the groove 81. With the horizontal movement of the protrusion 82, under the elastic action of the first spring 85, the protrusion 82 can be reset and inserted into the groove 81 at another position, so that the protrusion 82 can be plugged into the groove 81 at different positions, so that the relative position of the shell 3 and the mounting plate 1 can be adjusted and fixed, which is convenient for adjusting the use position of the filter.

[0027] Under the action of the filter 95, the external air can enter the filter through the filter 95, so as to achieve the purpose of ventilation and heat dissipation of the filter components and avoid overheating. The filter 95 can also prevent dust from entering. When the filter 95 needs to be disassembled, the pull rod 96 is directly pulled up, and the pull rod 96 drives the inclined block 94 to move. The inclined block 94 slides along the inclined surface of the plug block 92 and squeezes the plug block 92. The plug block 92 drives the slider 93 to move horizontally. The plug block 92 squeezes the second spring 91, so that the plug block 92 can slide out of the filter 95. With the continuous movement of the pull rod 96, the filter 95 can be removed, which is convenient and quick to use.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A broadband high insertion loss AC filter, comprising a mounting plate (1), characterized in that: The outer side of the mounting plate (1) is fixedly connected to a mounting seat (2), the top of the mounting plate (1) is slidably connected to a housing (3), the front end of the housing (3) is provided with a wiring terminal (4), the top of the housing (3) is fixedly connected to a cover plate (5) by means of screws, the inner wall of the mounting plate (1) is fixedly connected to a guide rod (6), the other end of the guide rod (6) is in contact with a connecting block (7), the connecting block (7) and the mounting plate (1) are fixedly connected by means of screws, the housing (3) is provided with an adjusting mechanism (8), and the cover plate (5) is provided with a heat dissipation mechanism (9).

2. A broadband high insertion loss AC filter according to claim 1, characterized in that: The number of the mounting seats (2) is multiple, and the multiple mounting seats (2) are symmetrically and evenly distributed on the outer side of the mounting plate (1).

3. The broadband high insertion loss AC filter according to claim 1, characterized in that: The adjusting mechanism (8) comprises a groove (81), the interior of the mounting plate (1) is provided with a groove (81), the interior of the groove (81) is slidably connected with a protrusion (82), the outer side of the protrusion (82) is slidably sleeved with a sliding seat (83), the sliding seat (83) is slidably connected with the mounting plate (1), the sliding seat (83) is fixedly connected with the housing (3), the sliding seat (83) is slidably sleeved on the outer side of the guide rod (6), the interior of the protrusion (82) is slidably sleeved with a fixing rod (84), the fixing rod (84) is fixedly connected with the sliding seat (83), the outer side of the fixing rod (84) is provided with a first spring (85), the interior of the sliding seat (83) is movably sleeved with a ball (86), and the ball (86) is slidably connected with the sliding seat (83).

4. A broadband high insertion loss AC filter according to claim 3, characterized in that: There are a plurality of grooves (81), and the plurality of grooves (81) are evenly distributed on the mounting plate (1).

5. The broadband high insertion loss AC filter according to claim 3, characterized in that: One end of the first spring (85) is fixedly connected to the slide seat (83), and the other end of the first spring (85) is fixedly connected to the protrusion (82).

6. The broadband high insertion loss AC filter according to claim 1, characterized in that: The heat dissipation mechanism (9) comprises a second spring (91), the cover plate (5) is provided with a second spring (91), the cover plate (5) is slidably sleeved with an insert block (92) inside, the top of the insert block (92) is fixedly connected with a slider (93), the slider (93) is slidably connected to the cover plate (5), the outer side of the insert block (92) is slidably sleeved with a filter screen (95), the filter screen (95) is slidably connected to the cover plate (5), the inner side of the filter screen (95) is slidably sleeved with an inclined block (94), the inclined block (94) is in contact with the insert block (92), the top of the inclined block (94) is fixedly connected with a pull rod (96), and the pull rod (96) is slidably connected to the filter screen (95).

7. The broadband high insertion loss AC filter according to claim 6, characterized in that: One end of the second spring (91) is fixedly connected to the cover plate (5), and the other end of the second spring (91) is fixedly connected to the insert block (92).

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