Signal-stable filter

Abstract

The filter comprises a cavity and a cover plate, a stabilizing mechanism is arranged in the cavity and comprises a pair of lower supporting blocks and an upper supporting block, the pair of lower supporting blocks are symmetrically arranged on the two sides of the upper supporting block, and a pair of first vertical rods are symmetrically arranged on the portion, below the lower supporting blocks, of the bottom face of the cavity front and back; the top end of the first vertical rod penetrates through the lower supporting block and extends to the position above the lower supporting block, a pair of second vertical rods are symmetrically arranged on the portion, above the upper supporting block, of the bottom face of the cover plate in a front-back mode, the bottom ends of the second vertical rods penetrate through the upper supporting block and extend to the position below the lower supporting block, the first vertical rod is sleeved with a first spring, and the second vertical rod is sleeved with a second spring. According to the filter with the stable signal, an upper supporting block and a lower supporting block move in opposite directions by using the elastic force of a spring, so that a second cross rod, a first limiting groove, a first cross rod and a second limiting groove compress a transmission line, and thus the position stability of a signal transmission piece and the stability of signal transmission are improved; and reduction of abnormal sound caused by loosening of the signal transmission piece is facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of filters, and in particular to a filter with stable signals. Background Art

[0002] A filter is a device or circuit that processes signals. Its main function is to allow useful signals to pass through as unattenuated as possible and to attenuate useless signals as much as possible. It is often used as a frequency selection device to select the communication signal frequency and filter out clutter or interference signals other than the communication signal frequency. It is widely used in mobile base stations to reduce intermodulation signal interference and generate high-quality communication signals. It is an indispensable device in electronic communication systems.

[0003] In the existing filter, two fixing blocks are spaced apart from each other against the upper and lower surfaces of the signal transmission component, limiting the upward and downward movement of the signal transmission component, thereby fixing the signal transmission component in the cavity. In high and low temperature environments, the signal transmission component is easy to loosen, causing abnormal noise problems in the filter product. Summary of the invention

[0004] The object of the present invention is to provide a filter with stable signal to overcome the deficiencies in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: The embodiment of the present application discloses a signal-stabilizing filter, including a cavity and a cover plate, the cover plate covering the cavity, and is characterized in that: a stabilizing mechanism is provided in the cavity, and the stabilizing mechanism includes a pair of lower support blocks and an upper support block, the pair of lower support blocks are symmetrically arranged on both sides of the upper support block, a pair of first vertical rods are symmetrically arranged on the front and back of the bottom surface of the cavity below each lower support block, the top end of the first vertical rod passes through the lower support block, extends to the top of the lower support block and is fixed with a first limit block, a pair of second vertical rods are symmetrically arranged on the front and back of the bottom surface of the cover plate above the upper support block, the bottom end of the second vertical rod passes through the upper support block, extends to the bottom of the upper support block and is fixed with a second limit block, a first spring is sleeved on the first vertical rod between the lower support block and the bottom surface of the cavity, and a second spring is sleeved on the second vertical rod between the upper support block and the bottom surface of the cover plate.

[0006] Preferably, in the above-mentioned signal-stabilized filter, the upper surface of the lower support block is provided with a first limiting groove, the first limiting groove passes through the left and right ends of the lower support block, and the lower surface of the upper support block is provided with a second limiting groove, the second limiting groove passes through the left and right ends of the upper support block.

[0007] Preferably, in the above-mentioned signal-stabilizing filter, a first cross bar is fixed on the side walls of the upper support blocks on the left and right sides of the second limiting groove, a second cross bar is fixed between a pair of lower support blocks, the second cross bar is arranged directly below the second limiting groove, and the first cross bar is arranged directly above the first limiting groove.

[0008] Preferably, in the above-mentioned signal-stabilized filter, the bottom surface of the first cross bar is flush with the inner top surface of the second limiting groove, and the top surface of the second cross bar is flush with the inner bottom surface of the first limiting groove.

[0009] Preferably, in the above-mentioned signal-stabilized filter, the two ends of the second spring are respectively fixedly connected to the top surface of the upper support block and the bottom surface of the cover plate, and the two ends of the first spring are respectively fixedly connected to the bottom surface of the lower support block and the bottom surface of the cavity.

[0010] Preferably, in the above-mentioned signal-stabilizing filter, a pair of the stabilizing mechanisms are provided, and the pair of the stabilizing mechanisms are symmetrically arranged in the cavity.

[0011] Compared with the prior art, the advantages of the present invention are: The spring force is utilized to move the upper support block and the lower support block toward each other so that the second cross bar, the first limiting groove, the first cross bar and the second limiting groove press the transmission line, thereby improving the position stability of the signal transmission component and the stability of signal transmission, which is beneficial to reduce abnormal noise caused by loose signal transmission components. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, it is easy to obtain other drawings based on these drawings without creative work.

[0013] Figure 1 Shown is a schematic diagram of the structure of a signal-stabilizing filter in a specific embodiment of the present invention. DETAILED DESCRIPTION

[0014] The following will describe the technical solutions in the embodiments of the present invention in detail in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] Ginseng Figure 1As shown, the signal-stabilized filter in this embodiment comprises a cavity 1 and a cover plate 2, the cover plate 2 and the cavity 1, a stabilizing mechanism 3 is arranged in the cavity 1, and the stabilizing mechanism 3 comprises a pair of lower support blocks 4 and an upper support block 5, the pair of lower support blocks 4 are symmetrically arranged on both sides of the upper support block 5, a pair of first vertical rods 6 are symmetrically arranged front and back on the bottom of the cavity 1 below each lower support block 4, the top end of the first vertical rod 6 penetrates the lower support block 4 and extends to the top of the lower support block 4 and is fixed with a first limit block 7, a pair of second vertical rods 8 are symmetrically arranged front and back on the bottom of the cover plate 2 above the upper support block 5, the bottom end of the second vertical rod 8 penetrates the upper support block 5 and extends to the bottom of the upper support block 5 and is fixed with a second limit block 10, a first spring 11 is sleeved on the first vertical rod 6 between the lower support block 4 and the bottom surface of the cavity 1, and a second spring 12 is sleeved on the second vertical rod 8 between the upper support block 5 and the bottom surface of the cover plate 2.

[0016] Furthermore, a first limiting groove 13 is provided on the upper surface of the lower support block 4, and the first limiting groove 13 runs through the left and right ends of the lower support block 4. A second limiting groove 14 is provided on the lower surface of the upper support block 5, and the second limiting groove 14 runs through the left and right ends of the upper support block 5.

[0017] Furthermore, a first cross bar 15 is fixed on the side walls of the upper support block 5 on the left and right sides of the second limiting groove 14, and a second cross bar 16 is fixed between a pair of lower support blocks 4. The second cross bar 16 is arranged directly below the second limiting groove 14, and the first cross bar 15 is arranged directly above the first limiting groove 13.

[0018] Furthermore, the bottom surface of the first cross bar 15 is flush with the inner top surface of the second limiting groove 14 , and the top surface of the second cross bar 16 is flush with the inner bottom surface of the first limiting groove 13 .

[0019] Furthermore, two ends of the second spring 12 are fixedly connected to the top surface of the upper support block 5 and the bottom surface of the cover plate 2 respectively, and two ends of the first spring 11 are fixedly connected to the bottom surface of the lower support block 4 and the bottom surface of the cavity 1 respectively.

[0020] Furthermore, a pair of stabilizing mechanisms 3 is provided, and the pair of stabilizing mechanisms 3 is symmetrically arranged in the cavity 1 .

[0021] In this technical solution, the spring force is utilized to move the upper support block and the lower support block toward each other so that the second cross bar, the first limiting groove, the first cross bar and the second limiting groove press the transmission line, thereby improving the position stability of the signal transmission component and the stability of signal transmission, and helping to reduce abnormal noise caused by loose signal transmission components.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0023] The above is only a specific implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A filter with stable signal, comprising a cavity and a cover plate, wherein the cover plate covers the cavity, and is characterized in that: The stabilizing mechanism is provided in the cavity, and the stabilizing mechanism includes a pair of lower support blocks and an upper support block, the pair of lower support blocks are symmetrically arranged on both sides of the upper support block, and a pair of first vertical rods are symmetrically arranged on the front and back of the bottom surface of the cavity under each lower support block, the top of the first vertical rod passes through the lower support block, extends to the top of the lower support block and is fixed with a first limit block, and a pair of second vertical rods are symmetrically arranged on the front and back of the bottom surface of the cover plate above the upper support block, the bottom end of the second vertical rod passes through the upper support block, extends to the bottom of the upper support block and is fixed with a second limit block, the first vertical rod between the lower support block and the bottom surface of the cavity is provided with a first spring, and the second vertical rod between the upper support block and the bottom surface of the cover plate is provided with a second spring.

2. A signal-stabilized filter according to claim 1, characterized in that: The upper surface of the lower support block is provided with a first limiting groove, which runs through the left and right ends of the lower support block. The lower surface of the upper support block is provided with a second limiting groove, which runs through the left and right ends of the upper support block.

3. A signal-stabilized filter according to claim 2, characterized in that: A first cross bar is fixed on the side walls of the upper support blocks on the left and right sides of the second limiting groove, a second cross bar is fixed between a pair of lower support blocks, the second cross bar is arranged directly below the second limiting groove, and the first cross bar is arranged directly above the first limiting groove.

4. A signal-stabilized filter according to claim 3, characterized in that: The bottom surface of the first cross bar is flush with the inner top surface of the second limiting groove, and the top surface of the second cross bar is flush with the inner bottom surface of the first limiting groove.

5. The signal-stabilizing filter according to claim 1, characterized in that: The two ends of the second spring are respectively fixedly connected to the top surface of the upper support block and the bottom surface of the cover plate, and the two ends of the first spring are respectively fixedly connected to the bottom surface of the lower support block and the bottom surface of the cavity.

6. A signal-stabilizing filter according to claim 1, characterized in that: The stabilizing mechanisms are provided in pair, and the pair of stabilizing mechanisms are symmetrically arranged in the cavity.

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