CN216015653U - Filter and communication device - Google Patents

Abstract

The application relates to the technical field of communication, and provides a filter and communication equipment, and the filter includes: a cavity; the cover plate covers the opening of the cavity; the connector comprises a connector body and a supporting part, and the connector body is arranged on the cover plate through the supporting part or arranged on the cavity in a penetrating mode through the cover plate; the connector body and the supporting part are of an integrated structure. Because connector body and supporting part form a structure, reduced the material kind for when the connector body was installed, only need can accomplish the installation of connector through once the assembly, the assembly is more simple and convenient, can improve assembly efficiency, and can use manpower and materials sparingly, do benefit to reduce cost.

Description

Filter and communication device

Technical Field

The present application relates to the field of communications technologies, and in particular, to a filter and a communications device having the same.

Background

The filter is used as a frequency selection device, and a connector component is required to be arranged on the filter in order to realize connection with external equipment for signal transmission.

In the creation process of realizing the technical scheme, the inventor finds that the existing connector component needs to be assembled on the filter through an independent supporting seat, and the connector component and the supporting seat are mutually independent structural members, so that the assembly process is increased, the assembly is complex, the efficiency is influenced, the types of materials are increased, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the present application is to provide a filter, so as to solve the technical problem in the prior art that the connector member needs to be assembled on the filter through a separate supporting seat, which results in complicated assembly.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: providing a filter, the filter comprising: a cavity; the cover plate covers the opening of the cavity; the connector comprises a connector body and a supporting part, wherein the connector body is arranged on the cover plate through the supporting part or arranged on the cover plate in a penetrating way to be arranged on the cavity; the connector body and the supporting part are of an integrated structure.

In one embodiment, the cavity has a first mounting groove, the cover plate has a mounting through hole disposed opposite to the first mounting groove, and the connector body is disposed through the mounting through hole and disposed in the first mounting groove through the support portion.

In one embodiment, the supporting part is arranged on the periphery of the connector body and provided with a first knurled structure, and the supporting part is in interference fit with the inner wall of the first mounting groove through the first knurled structure; or, the supporting part is arranged on the periphery of the connector body, the supporting part is provided with a first external thread structure, the inner wall of the first mounting groove is provided with a first internal thread structure, and the first external thread structure is in thread fit with the first internal thread structure.

In one embodiment, the cavity has a second mounting groove communicated with the first mounting groove, the inner diameter of the second mounting groove is larger than that of the first mounting groove, the supporting portion has a first flange protruding outwards, and the first flange abuts against the bottom wall of the second mounting groove.

In one embodiment, the first flange is located at the middle of the connector body, and the upper surface of the first flange is lower than or flush with the upper end edge of the second mounting groove.

In one embodiment, the filter comprises: the locking piece is sleeved on the connector body and connected to the cover plate, and a limiting space is formed between the locking piece and the first flange; and the sealing element is arranged in the limiting space and abutted against the locking element and the first flange.

In one embodiment, the outer surface of the locking member is provided with a second knurled structure, and the locking member is in interference fit with the inner wall of the mounting through hole through the second knurled structure; or, the surface of retaining member is equipped with second external thread structure, the inner wall of installation through-hole is equipped with second internal thread structure, second external thread structure with second internal thread structure looks screw-thread fit.

In one embodiment, the locking member has a second flange protruding outward, and the second flange abuts against the outer surface of the cover plate.

In one embodiment, the supporting portion is located in the middle of the connector body, and the supporting portion has a first flange protruding outward, and the first flange abuts against the cover plate or the cavity.

It is another object of the present application to provide a communication device comprising a filter as described in any of the above embodiments.

One or more technical solutions described above in the embodiments of the present application have at least the following technical effects or advantages:

according to the filter provided by the embodiment of the application, the cavity, the cover plate covering the opening of the cavity and the connector comprising the connector body and the supporting part are arranged, the connector body is arranged on the cover plate through the supporting part or arranged on the cavity in a penetrating mode through the cover plate, so that the connector body is favorably and stably arranged at the top of the filter, and the filter is favorably suitable for a use environment where the connector is required to be arranged at the top of the filter; and, through setting up connector body and supporting part formula structure as an organic whole, connector body and supporting part form a structure promptly, also set up present connector component and supporting seat formula structure as an organic whole, the material type has been reduced, when making the connector body install, only need can accomplish the installation of connector through once assembly, the assembly is more simple and convenient, can improve assembly efficiency, and can use manpower and materials sparingly, do benefit to reduce cost, and, connector body and supporting part set up to formula structure, assemble for two components of a whole that can function independently sets up and mutually, the reliability is higher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a cross-sectional view of a prior art connector member mated with a support base;

FIG. 2 is a schematic view of a prior art connector member separated from a support base;

fig. 3 is a schematic structural diagram of a filter provided in an embodiment of the present application;

fig. 4 is an exploded schematic diagram of a filter according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view of a portion B of FIG. 4;

FIG. 6 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 7 is an enlarged view of a portion of the structure at C in FIG. 6;

fig. 8 is an exploded view of the connector, the sealing member and the locking member according to the embodiment of the present disclosure.

Wherein, in the figures, the respective reference numerals:

01. a connector member; 02. a supporting seat; 100. a filter; 10. a cavity; 20. a cover plate; 30. a connector; 31. a connector body; 311. a first connection end; 312. a second connection end; 32. a support portion; 101. A first mounting groove; 201. mounting a through hole; 321. a first knurl structure; 102. a second mounting groove; 322. A first flange; 40. a locking member; 50. a seal member; 401. a second knurl structure; 402. a second flange; 60. a low through groove; 70. low-pass; 80. a connecting member.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The filter is used as a frequency selection device, and a connector component is required to be arranged on the filter in order to realize connection with external equipment for signal transmission.

In the creation process of implementing the technical solution of the present application, the inventor finds that, the existing connector component needs to be assembled on the top of the filter through an independent supporting seat, fig. 1 shows the state when the connector component 01 and the supporting seat 02 which are independent from each other are assembled, fig. 2 shows the state when the connector component 01 and the supporting seat 02 which are independent from each other are separated from each other, because the connector component and the supporting seat are two structural components which are independent from each other, when the connector component is assembled on the filter, the connector component and the supporting seat need to be assembled firstly and then assembled on the filter together, or the supporting seat is assembled on the filter and then the connector component is assembled, the assembly process is more, the assembly is complex, the efficiency is affected, the material types are increased, and the cost is higher.

Based on this, in order to solve the technical problem that the connector component needs to be assembled on the filter through a separate supporting seat in the prior art, so that the assembly is complicated, the inventor proposes the following scheme.

Referring to fig. 3 to 8, an embodiment of the present application provides a filter 100, where the filter 100 includes a cavity 10, a cover plate 20, and a connector 30, where:

the chamber 10 has a cavity and an opening communicating with the cavity.

The cover plate 20 covers the opening of the cavity 10 to form a resonant cavity with the cavity of the cavity 10, the resonant cavity may have one or more resonant cavities, and when there are more resonant cavities, the filter may operate by coupling the resonant cavities to each other.

The connector 30 includes a connector body 31 and a support portion 32, the connector body 31 is disposed on the cavity 10 by the support portion 32 penetrating the cover plate 20, as shown in fig. 5 and 7; of course, in other embodiments, the connector body 31 may be disposed on the cover plate 20 through the supporting portion 32; the support portion 32 functions to support the connector body 31 and to allow the connector body 31 to be mounted on the cover plate 20 or the cavity 10, and the connector body 31 serves as a carrier for transmitting signals of the filter 100 to an external device or transmitting signals of the external device to the filter 100; the connector body 31 and the supporting portion 32 are of an integral structure, that is, the connector body 31 and the supporting portion 32 form a single member, the connector body 31 and the supporting portion 32 can be integrally formed, for example, the supporting portion 32 can be integrally formed with the housing of the connector body 31. It is understood that the connector body 31 may be various types of connectors for being disposed on the filter, such as BMA connector (blind mate connector), SMA connector, SMP connector, MBX connector, PSMP connector, etc., but is not limited thereto.

According to the filter 100 provided by the embodiment of the application, by arranging the cavity 10, the cover plate 20 covering the opening of the cavity 10, and the connector 30 including the connector body 31 and the supporting portion 32, the connector body 31 is arranged on the cover plate 20 or arranged on the cavity 10 by penetrating through the cover plate 20 through the supporting portion 32, so that the connector body 31 is favorably and stably arranged on the top of the filter 100, and the filter 100 is favorably adapted to a use environment in which the connector needs to be arranged on the top of the filter to work; and, through setting up connector body 31 and supporting part 32 formula structure as an organic whole, connector body 31 and supporting part 32 form a structure promptly, also set up present connector component and supporting seat formula structure as an organic whole, the material type has been reduced, when making connector body 31 install, only need can accomplish the installation of connector 30 through once assembling, need not to assemble connector component and supporting seat respectively, it is more simple and convenient to assemble, can improve assembly efficiency, and can save manpower and materials, do benefit to reduce cost, and connector body 31 sets up to formula structure with supporting part 32, for the condition that two component components of a whole that can function independently set up and assemble mutually, reliability and stability are higher.

In one embodiment, referring to fig. 5 and 7, the cavity 10 has a first mounting groove 101, the cover plate 20 has a mounting through hole 201 opposite to the first mounting groove 101, and the connector body 31 is inserted into the mounting through hole 201 and disposed in the first mounting groove 101 through the supporting portion 32; specifically, the opposite ends of the connector body 31 are a first connection end 311 and a second connection end 312, respectively, the support portion 32 is located between the first connection end 311 and the second connection end 312, the first connection end 311 extends into the first mounting groove 101 to be electrically connected or coupled with the low pass filter or the resonator inside the filter 100, and the second connection end 312 is located outside the cavity 10 to be connected with an external device.

With such an arrangement, the connector body 31 can be conveniently mounted on the cavity 10 through the supporting portion 32, and the mounting stability of the connector body 31 and the supporting portion 32 can be improved; in addition, the first mounting groove 101 can accommodate the connector body 31 and the supporting portion 32, so as to reduce the length of the connector 30 protruding outside the filter 100, reduce the occupied space, and improve the space utilization.

Optionally, in an embodiment, referring to fig. 7 and 8, the supporting portion 32 is disposed on an outer periphery of the connector body 31, the supporting portion 32 has a first knurled structure 321, the first knurled structure 321 is a portion of the supporting portion 32 and is an integral structure integrally formed with the supporting portion 32, the supporting portion 32 is in interference fit with an inner wall of the first mounting groove 101 through the first knurled structure 321, for example, the supporting portion 32 can be pressed against the inner wall of the first mounting groove 101; the first knurled structure 321 may be a straight knurled structure, a cross-hatched knurled structure, or the like, but is not limited thereto, and may also be a knurled structure having another shape structure, and fig. 8 illustrates an exemplary case where the first knurled structure 321 is a straight knurled structure.

So set up, the supporting part 32 is through being equipped with first annular knurl structure 321 with the inner wall looks interference fit through first annular knurl structure 321 and first mounting groove 101 for the supporting part 32 is fixed firm mutually with first mounting groove 101, can improve the support steadiness of supporting part 32 to connector body 31.

It should be noted that the connection manner between the supporting portion 32 and the first mounting groove 101 is not limited to the above manner, alternatively, in some other embodiments, the supporting portion 32 is disposed on the outer periphery of the connector body 31, the supporting portion 32 has a first external thread structure, the inner wall of the first mounting groove 101 is provided with a first internal thread structure, and the first external thread structure is in threaded fit with the first internal thread structure.

With such an arrangement, the supporting portion 32 is fixed on the first mounting groove 101 through the first external thread structure and the first internal thread structure of the first mounting groove 101, so that the fixing is firm, and the supporting stability of the supporting portion 32 on the connector body 31 can be improved.

Alternatively, in an embodiment, referring to fig. 5, 7 and 8, the cavity 10 has a second mounting groove 102 communicated with the first mounting groove 101, an inner diameter of the second mounting groove 102 is larger than an inner diameter of the first mounting groove 101, the second mounting groove 102 and the first mounting groove 101 may be coaxially disposed, and a structure similar to a counter bore may be formed; the supporting portion 32 has a first flange 322 protruding outward, the first flange 322 is a part of the supporting portion 32 and is an integral structure integrally formed with the supporting portion 32, and the first flange 322 abuts against the bottom wall of the second mounting groove 102.

With such an arrangement, in the process of mounting the supporting portion 32 in the first mounting groove 101, the first flange 322 can abut against the bottom wall of the second mounting groove 102 to limit and position the supporting portion 32, so that the supporting portion 32 can be properly mounted in the first mounting groove 101, the assembly uniformity of the filter 100 can be improved, and the mounting stability of the supporting portion 32 can be improved; meanwhile, the first flange 322 is abutted against the bottom wall of the second mounting groove 102, so that sealing can be formed between the first flange and the second mounting groove, the sealing performance of the joint of the supporting part 32 and the cavity 10 can be improved, the possibility of signal leakage is reduced, and the shielding performance is improved.

Alternatively, in one embodiment, referring to fig. 7 and 8, the first flange 322 is located in the middle of the connector body 31, i.e. between the two opposite ends of the connector body 31, i.e. between the first connection end 311 and the second connection end 312; the upper surface of the first flange 322 is lower than or flush with the upper edge of the second mounting groove 102, and it can also be understood that the thickness of the first flange 322 is less than or equal to the depth of the second mounting groove 102.

With such an arrangement, since the first flange 322 is located in the middle of the connector body 31, under the condition that the connector body 31 can be supported, the matching between the two opposite ends of the connector body 31 and other components is not hindered, that is, the first connection end 311 extends into the first mounting groove 101 to be electrically connected or coupled with the low pass or resonator inside the filter 100, and the second connection end 312 is located outside the cavity 10 and can be connected with an external device; since the upper surface of the first flange 322 is lower than or flush with the upper end edge of the second mounting groove 102, the first flange 322 can be completely accommodated in the second mounting groove 102 without protruding upward to the outside, and does not prevent the cover plate 20 from covering the opening of the cavity 10 smoothly.

It should be noted that in other embodiments, the upper surface of the first flange 322 may be higher than the upper edge of the second mounting groove 102.

Optionally, in an embodiment, referring to fig. 5, 7 and 8, the filter 100 further includes a locking member 40 and a sealing member 50, the locking member 40 is sleeved on the connector body 31 and connected to the cover plate 20, a limiting space is formed between the locking member 40 and the first flange 322, and the sealing member 50 is disposed in the limiting space and abuts against the locking member 40 and the first flange 322; that is, retaining member 40 compresses sealing member 50 between first flange 322 and retaining member 40. The sealing member 50 may be a shielding rubber ring, a shielding silicone rubber, or the like, but is not limited thereto; retaining member 40 is generally ring-shaped in configuration.

With the arrangement, the sealing member 50 and the locking member 40 which is used for pressing the sealing member 50 between the first flange 322 and the locking member 40 are arranged, so that the first flange 322 can be provided with pressure, the matching tightness between the first flange 322 and the bottom wall of the second mounting groove 102 is improved, the sealing property is improved, the sealing member 50 can be sealed, the shielding property is effectively improved, and the signal leakage possibility is reduced.

Alternatively, in one embodiment, referring to fig. 7 and 8, the outer surface of the locking member 40 is provided with a second knurled structure 401, and the locking member 40 is in interference fit with the inner wall of the mounting through-hole 201 through the second knurled structure 401. The second knurled structure 401 may be a straight knurled structure, an anilox knurled structure, or the like, but is not limited thereto, and may also be a knurled structure having another shape structure, and fig. 8 illustrates an exemplary case where the second knurled structure 401 is a straight knurled structure.

So set up, retaining member 40 can be through the inner wall looks interference fit of second annular knurl structure 401 with installation through-hole 201 to improve retaining member 40's steadiness, and then improve its reliability of supporting sealing member 50 tightly between first flange 322 and retaining member 40, and then guarantee shielding performance.

It should be noted that the connection manner between the locking member 40 and the cover plate 20 is not limited to the above manner, and alternatively, in some other embodiments, the outer surface of the locking member 40 is provided with a second external thread structure, and the inner wall of the mounting through-hole 201 is provided with a second internal thread structure, and the second external thread structure is in threaded fit with the second internal thread structure.

With the arrangement, the locking member 40 is firmly fixed on the cover plate 20 through the threaded matching of the second external thread structure and the second internal thread structure of the mounting through hole 201, and the assembling stability of the locking member 40 can also be improved; alternatively, in other embodiments, retaining member 40 can be secured to cover plate 20 by screws.

Alternatively, in one embodiment, referring to fig. 7 and 8, the locking member 40 has a second flange 402 protruding outward, and the second flange 402 abuts against the outer surface of the cover plate 20.

With the arrangement, the second flange 402 is matched with the cover plate 20, so that the assembly of the locking member 40 can be limited and positioned, the locking member 40 can be accurately installed on the cover plate 20, and the assembly uniformity and the installation stability are improved; the second flange 402 abuts against the outer surface of the cover plate 20, and both of them can form a seal, thereby further improving the shielding performance.

In an embodiment, referring to fig. 7 and 8, the supporting portion 32 is located in the middle of the connector body 31, that is, between the first connection end 311 and the second connection end 312, the supporting portion 32 has a first flange 322 protruding outward, the first flange 322 abuts against the cover plate 20 or the cavity 10, that is, the supporting portion 32 may abut against the cover plate 20 through the first flange 322, at this time, the first flange 322 may also be fixed to the cover plate 20 through a screw or the like, the supporting portion 32 may also abut against the cavity 10 through the first flange 322, for example, the above-mentioned case where the first flange 322 abuts against the bottom wall of the second installation groove 102, but is not limited thereto, in other embodiments, the first flange 322 may also directly abut against the upper end edge of the first installation groove 101 without providing the second installation groove 102.

With this arrangement, since the supporting portion 32 is located in the middle of the connector body 31, the first flange 322 is also located in the middle of the connector body 31, and when the connector body 31 can be supported, the first flange does not interfere with the mating of the two opposite ends of the connector body 31 with other components, that is, the first connecting end 311 extends into the filter 100 and is electrically connected or coupled with the low pass or resonator inside the filter 100, and the second connecting end 312 is located outside the cavity 10 and can be connected with an external device; moreover, the support portion 32 can be connected with the cover plate 20 or the cavity 10 through the first flange 322 to support the connector body 31, so as to facilitate the assembly of the connector body 31 to the cavity 10 or the cover plate 20.

It is understood that the filter 100 includes other components besides the cavity 10, the cover plate 20 and the connector 30, and the other components may be the components of the existing filter, and the first connection end 311 of the connector body 31 may be matched with the internal components of the filter 100 by any one of the existing connector members, which are well known to those skilled in the art, and thus the description is omitted for brevity.

For example, in an embodiment, referring to fig. 5 and 7, the filter 100 further includes a low through groove 60 and a low pass 70 installed in the low through groove 60, the first connection end 311 of the connector body 31 may be directly connected or coupled with one end of the low pass 70, of course, the filter 100 may further include a connection member 80, and the first connection end 311 of the connector body 31 may be connected or coupled with the low pass through the connection member 80; the connecting member 80 may be a tap piece, a conductive rod, a wire, etc., but is not limited thereto.

Illustratively, in some other embodiments, the filter 100 includes resonators, and the first connection end 311 of the connector body 31 may be directly connected or coupled with the resonators, or may be connected or coupled with the resonators through a connection member.

An embodiment of the present application further provides a communication device, which includes the filter 100 of any of the above embodiments. The communication device may be a base station, a wireless transmission tower, or the like, but is not limited thereto, and may also be any other communication device that needs to use the filter 100.

Since the communication device provided in the embodiment of the present application employs the filter 100 described above, the communication device also has the technical effect brought by the technical solution of the filter 100 of any of the above embodiments, and details are not described here again.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A filter, characterized in that the filter comprises:

a cavity;

the cover plate covers the opening of the cavity; and

the connector comprises a connector body and a supporting part, wherein the connector body is arranged on the cover plate through the supporting part or arranged on the cavity in a penetrating mode through the cover plate;

the connector body and the supporting part are of an integrated structure.

2. The filter of claim 1, wherein: the cavity has first mounting groove, the apron have with the relative installation through-hole that sets up of first mounting groove, the connector body wears to locate installation through-hole and pass through the supporting part set up in the first mounting groove.

3. The filter of claim 2, wherein: the supporting part is arranged on the periphery of the connector body and provided with a first knurled structure, and the supporting part is in interference fit with the inner wall of the first mounting groove through the first knurled structure;

or, the supporting part is arranged on the periphery of the connector body, the supporting part is provided with a first external thread structure, the inner wall of the first mounting groove is provided with a first internal thread structure, and the first external thread structure is in thread fit with the first internal thread structure.

4. A filter according to claim 2 or 3, characterized in that: the cavity has communicate in the second mounting groove of first mounting groove, the internal diameter of second mounting groove is greater than the internal diameter of first mounting groove, the supporting part has the first flange that outwards protruding was established, first flange butt in the diapire of second mounting groove.

5. The filter of claim 4, wherein: the first flange is positioned in the middle of the connector body, and the upper surface of the first flange is lower than or flush with the upper end edge of the second mounting groove.

6. The filter of claim 4, wherein the filter comprises:

the locking piece is sleeved on the connector body and connected to the cover plate, and a limiting space is formed between the locking piece and the first flange; and

and the sealing element is arranged in the limiting space and abuts against the locking element and the first flange.

7. The filter of claim 6, wherein: the outer surface of the locking part is provided with a second knurled structure, and the locking part is in interference fit with the inner wall of the mounting through hole through the second knurled structure;

or, the surface of retaining member is equipped with second external thread structure, the inner wall of installation through-hole is equipped with second internal thread structure, second external thread structure with second internal thread structure looks screw-thread fit.

8. The filter according to claim 6 or 7, characterized in that: the locking piece is provided with a second flange protruding outwards, and the second flange abuts against the outer surface of the cover plate.

9. The filter of claim 1, wherein: the supporting part is located in the middle of the connector body and provided with a first flange protruding outwards, and the first flange abuts against the cover plate or the cavity.

10. A communication device, characterized by: the communication device comprising a filter according to any of claims 1 to 9.

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