Filter provided with pressing rivet resonant column

Abstract

The utility model provides a filter provided with a pressing rivet resonant column, which relates to the technical field of wireless communication related equipment, and comprises a shell assembly, a pressing rivet resonant column and a debugging assembly, and a cavity is arranged in the shell assembly; the press-riveting resonant column is connected with the shell assembly in a press-riveting manner, and the press-riveting resonant column is accommodated in the cavity; the debugging assembly is connected with the shell assembly, and one end of the debugging assembly penetrates through the shell assembly and is inserted into the pressing rivet resonance column. According to the utility model, the technical problems of high processing cost and complex production process caused by more parts of the cavity and further caused by the fact that the resonant column is mounted on the cavity by using a threaded screw and the frequency is adjusted by penetrating a screw rod into the cavity in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless communication related equipment, in particular to a filter provided with a riveted resonance column. Background Art

[0002] In the past few decades, wireless mobile communication technology has developed rapidly, among which RF modules have been widely used, especially filters playing an increasingly important role.

[0003] A filter is a device that filters signal frequencies, allowing useful frequency signals to pass through and suppressing useless frequency signals. At present, with the advent of 5G communications and the rapid development of communication technology, higher requirements are being placed on filter design in various engineering application scenarios; and the design requirements for miniaturization and lightweight filters are also becoming increasingly higher.

[0004] However, the traditional cavity filter uses threaded screws to install the resonant column on the cavity, and then adjusts the frequency by inserting the screw into the cavity; such a structure results in a large number of parts in the cavity, which in turn causes technical problems such as high processing costs and complex production processes. Utility Model Content

[0005] The purpose of the utility model is to provide a filter with a riveted resonance column to alleviate the technical problem in the prior art that the resonance column is installed on the cavity by using a threaded screw and the frequency is adjusted by penetrating the screw into the cavity, resulting in a large number of cavity parts, which in turn causes high processing costs and complicated production processes.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] In a first aspect, the utility model provides a filter provided with a riveted resonant column, comprising a housing component, a riveted resonant column and a debugging component, wherein a cavity is provided in the housing component;

[0008] The riveted resonant column is connected to the housing component by riveting, and the riveted resonant column is accommodated in the cavity;

[0009] The debugging component is connected to the shell component, and one end of the debugging component passes through the shell component and is inserted into the riveted resonance column.

[0010] Furthermore, the housing assembly comprises an outer shell, the outer shell is provided with the cavity, and the outer shell is used to be connected to the riveted resonance column through a connector.

[0011] Furthermore, one end of the connector is connected to the bottom wall of the cavity, and the other end is provided with a plug hole along its extension direction;

[0012] The jack is connected to the riveted resonant column.

[0013] Furthermore, the connector is arranged at the center of the bottom cavity wall of the cavity.

[0014] Furthermore, the riveted resonant column comprises a connecting portion and a folding portion, the connecting portion and the folding portion are integrally formed and connected, and the connecting portion is connected to the jack;

[0015] The folding portion is arranged on the outer side of the insertion hole, and the folding portion is folded outwards.

[0016] Furthermore, the connecting portion is integrally connected to the hole wall of the jack.

[0017] Furthermore, the housing assembly further includes a cover plate, wherein the cover plate is connected to the housing body, and the cover plate is connected to the debugging assembly.

[0018] Furthermore, the debugging component is movably connected to the cover plate, and one end of the debugging component extending into the cavity is used to adjust the frequency of the filter by moving closer to or farther away from the riveted resonant column.

[0019] Furthermore, the debugging component includes a debugging screw and a tuning nut connected to the debugging screw, and one end of the debugging screw away from the tuning nut passes through the cover plate and extends into the riveted resonance column.

[0020] Furthermore, a blind hole is formed at one end of the debugging screw away from the riveted resonance column.

[0021] The utility model can achieve the following beneficial effects:

[0022] In the first aspect, the utility model provides a filter provided with a riveted resonant column, comprising a shell assembly, a riveted resonant column and a debugging assembly, wherein a cavity is provided in the shell assembly; the riveted resonant column is connected to the shell assembly by riveting, and the riveted resonant column is accommodated in the cavity; the debugging assembly is connected to the shell assembly, and one end of the debugging assembly passes through the shell assembly and is inserted into the riveted resonant column.

[0023] In the utility model, a cavity is provided in the shell component, and the cavity is used to accommodate the press-riveted resonant column, and the bottom of the press-riveted resonant column is connected to the shell component. Correspondingly, the debugging component is also connected to the shell component, and preferably the debugging component is movably connected to the shell component, and the movement method is to approach or move away from the press-riveted resonant column, so that the debugging component can achieve the effect of adjusting the frequency in the process of approaching or moving away from the press-riveted resonant column.

[0024] Compared with the prior art, the filter provided by the utility model is provided with a riveted resonance column, which connects the riveted resonance column to a shell component, and then adjusts the frequency by moving a movable debugging component close to or away from the riveted resonance column; and because the riveted resonance column is directly connected to the shell component, the parts required for processing are reduced, and the processing cost is low, the production is simpler, and the automated production effect is better.

[0025] In summary, the utility model at least alleviates the technical problem in the prior art of using threaded screws to install the resonant column on the cavity and then adjusting the frequency by inserting the screw into the cavity, resulting in a large number of cavity parts, which in turn causes high processing costs and complicated production processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A three-dimensional schematic diagram of the internal structure of a filter provided with a riveted resonant column according to an embodiment of the utility model;

[0028] Figure 2 A schematic diagram of the main structure of a filter provided with a riveted resonant column according to an embodiment of the utility model;

[0029] Figure 3 for Figure 2 Schematic diagram of the AA section.

[0030] Icons: 1-outer shell; 11-connector; 111-jack; 12-cavity; 2-riveted resonance column; 3-debugging assembly; 31-debugging screw; 311-blind hole; 32-tuning nut; 4-cover plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present utility model, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] Embodiment 1

[0039] This embodiment provides a filter with a riveted resonant column, referring to Figure 1 or Figure 2The filter provided with a riveted resonant column includes a shell component, a riveted resonant column 2 and a debugging component 3, wherein a cavity 12 is provided in the shell component; the riveted resonant column 2 is connected to the shell component by riveting, and the riveted resonant column 2 is accommodated in the cavity 12; the debugging component 3 is connected to the shell component, and one end of the debugging component 3 passes through the shell component and is inserted into the riveted resonant column 2.

[0040] The embodiments of the utility model at least alleviate the technical problem in the prior art that the resonant column is installed on the cavity by using a threaded screw and the frequency is adjusted by penetrating the screw into the cavity, resulting in a large number of cavity parts, which in turn causes high processing costs and complicated production processes.

[0041] In an embodiment of the utility model, a cavity 12 is provided in the shell component, and the cavity 12 is used to accommodate the riveted resonant column 2, and the bottom of the riveted resonant column 2 is connected to the shell component, and correspondingly, the debugging component 3 is also connected to the shell component, and preferably the debugging component 3 is movably connected to the shell component, and its movement mode is to approach or move away from the riveted resonant column 2, so that the debugging component 3 can achieve the effect of adjusting the frequency in the process of approaching or moving away from the riveted resonant column 2.

[0042] Compared with the prior art, the filter provided by the embodiment of the utility model is provided with a riveted resonance column, which connects the riveted resonance column 2 with the shell component, and then adjusts the frequency by moving the movable debugging component 3 close to or away from the riveted resonance column 2; and because the riveted resonance column 2 is directly connected to the shell component, the parts required for processing are reduced, the processing cost is low, the production is simpler, and the automated production effect is better.

[0043] In an optional implementation manner of this embodiment, refer to Figure 1 , Figure 2 or Figure 3 The housing assembly includes a housing body 1 , which is provided with a cavity 12 , and the housing body 1 is used to be connected to a riveted resonance column 2 through a plug-in connector 11 .

[0044] Specifically: the outer shell 1 is preferably a rectangular shell structure, and a rectangular cavity 12 is provided inside it, and is used for connecting with the riveted resonance column 2 at the center of the inner bottom of the outer shell 1, and the connection method can be plug-in, and preferably it is connected in one piece using a riveting process.

[0045] Further, refer to Figure 1 , Figure 2 or Figure 3 One end of the connector 11 is connected to the bottom wall of the cavity 12 , and the other end is provided with a socket 111 along its extension direction; the socket 111 is connected to the riveted resonance column 2 .

[0046] Specifically: the connector 11 is arranged at the bottom of the inner side of the outer shell 1, and the connector 11 is preferably formed integrally with the outer shell 1, and a socket 111 is provided on the top of the connector 11, and the bottom of the riveted resonance column 2 is connected to the socket 111, and the connection method is preferably an integral molding connection using a riveting process.

[0047] Further, refer to Figure 1 or Figure 3 The connector 11 is arranged at the center of the bottom wall of the cavity 12 .

[0048] Specifically: the connector 11 is arranged at the center of the bottom cavity wall of the cavity 12 , and the top of the connector 11 is connected to the riveted resonance column 2 , so that the riveted resonance column 2 is equidistant from each side cavity wall of the cavity 12 .

[0049] In an optional implementation manner of this embodiment, refer to Figure 1 or Figure 3 The riveted resonance column 2 includes a connecting portion and a folding portion, the connecting portion and the folding portion are integrally formed and connected, and the connecting portion is connected to the socket 111; the folding portion is arranged on the outside of the socket 111, and the folding portion is folded outward.

[0050] Specifically: the riveted resonant column 2 includes a connecting portion and a folding portion, and the connecting portion and the folding portion are integrally formed and connected. The connecting portion is preferably a cylindrical structure, and this cylindrical structure is used to connect to the top of the connector 11, and the connection method is preferably integrally formed, and the folding portion is located on the outside of the socket 111 of the connector 11 and is folded outward.

[0051] Further, refer to Figure 3 The connecting portion is integrally formed and connected with the hole wall of the plug hole 111.

[0052] Specifically: the connection portion is integrally formed with the hole wall of the jack 111. This connection method can achieve a connection method in which the resonant column is directly formed by a riveting process without using screws to install the resonant column.

[0053] In an optional implementation manner of this embodiment, refer to Figure 3 The shell component also includes a cover plate 4, which is connected to the shell body 1 and the debug component 3.

[0054] Specifically: the cover plate 4 is connected to the outer shell 1, and the cover plate 4 is connected to the debugging component 3; preferably, the cover plate 4 is covered on the top of the outer shell 1 to close the cavity 12, and the cover plate 4 is connected to the debugging component 3, and one end of the debugging component 3 is close to or away from the riveted resonance column 2, thereby achieving the effect of adjusting the frequency.

[0055] Further, refer to Figure 2 or Figure 3The debugging component 3 is movably connected to the cover plate 4, and one end of the debugging component 3 extending into the cavity 12 is used to adjust the frequency of the filter by moving closer to or farther away from the riveted resonance column 2.

[0056] Specifically: the cover plate 4 is movably connected to the debugging component 3, so that the frequency can be adjusted by moving the debugging component 3 closer to or away from the riveted resonance column 2.

[0057] Further, refer to Figure 3 The debugging assembly 3 includes a debugging screw 31 and a tuning nut 32 connected to the debugging screw 31 . One end of the debugging screw 31 away from the tuning nut 32 passes through the cover plate 4 and extends into the riveted resonance column 2 .

[0058] Specifically: the debugging screw 31 is connected to the debugging screw 31, and the debugging screw 31 abuts against the top of the cover plate 4, and the free end of the debugging screw 31 passes through the cover plate 4 and extends into the riveted resonance column 2; when in use, by rotating the tuning nut 32, the bottom free end of the debugging screw 31 is moved close to or away from the riveted resonance column 2, thereby realizing the function of adjusting the frequency.

[0059] Preferably, the frequency of the riveted resonant column 2 is about 1760 MHz, and the Q value is about 2458; its performance is basically equivalent to that of a traditional filter with a resonant column mounting screw (the frequency is about 1761 MHz, and the Q value is about 2473).

[0060] Further, refer to Figure 3 A blind hole 311 is formed at one end of the debugging screw 31 away from the riveting resonance column 2 .

[0061] Specifically: a blind hole 311 is provided at one end of the debugging screw 31 away from the riveted resonance column 2, and preferably, the blind hole 311 can be a polygonal hole, so that during use, a tool is inserted into the blind hole 311 to drive the debugging screw 31 to rotate.

[0062] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A filter provided with a riveted resonant column, characterized in that: It comprises a shell component, a riveted resonant column (2) and a debugging component (3), wherein a cavity (12) is provided in the shell component; The riveted resonant column (2) is connected to the housing component by riveting, and the riveted resonant column (2) is accommodated in the cavity (12); The debugging component (3) is connected to the shell component, and one end of the debugging component (3) passes through the shell component and is inserted into the riveted resonance column (2).

2. The filter with a riveted resonant column according to claim 1, characterized in that: The housing assembly comprises an outer shell (1), the outer shell (1) being provided with the cavity (12), and the outer shell (1) being used for connecting to the riveted resonance column (2) via a plug-in connector (11).

3. The filter with riveted resonant columns according to claim 2, characterized in that: One end of the plug connector (11) is connected to the bottom wall of the cavity (12), and the other end is provided with a plug hole (111) along its extension direction; The jack (111) is connected to the riveted resonant column (2).

4. The filter with riveted resonant columns according to claim 3, characterized in that: The plug connector (11) is arranged at the center of the bottom cavity wall of the cavity (12).

5. The filter with riveted resonant columns according to claim 3 or 4, characterized in that: The riveted resonant column (2) comprises a connecting portion and a folding portion, the connecting portion and the folding portion are integrally formed and connected, and the connecting portion is connected to the insertion hole (111); The folding portion is arranged on the outside of the insertion hole (111), and the folding portion is folded outwards.

6. The filter with riveted resonant columns according to claim 5, characterized in that: The connecting portion is integrally formed and connected to the hole wall of the insertion hole (111).

7. The filter with riveted resonant columns according to claim 2, characterized in that: The housing component further comprises a cover plate (4), wherein the cover plate (4) is connected to the housing body (1), and the cover plate (4) is connected to the debugging component (3).

8. The filter with riveted resonant columns according to claim 7, characterized in that: The adjustment component (3) is movably connected to the cover plate (4), and one end of the adjustment component (3) extending into the cavity (12) is used to adjust the frequency of the filter by moving closer to or farther away from the riveted resonant column (2).

9. The filter with riveted resonant columns according to claim 8, characterized in that: The debugging component (3) comprises a debugging screw (31) and a tuning nut (32) connected to the debugging screw (31); an end of the debugging screw (31) away from the tuning nut (32) passes through the cover plate (4) and extends into the riveted resonance column (2).

10. The filter with riveted resonant columns according to claim 9, characterized in that: A blind hole (311) is formed at one end of the adjustment screw rod (31) away from the riveted resonance column (2).

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