CN214957290U

CN214957290U - Cavity filter

Info

Publication number: CN214957290U
Application number: CN202121573755.2U
Authority: CN
Inventors: 王威; 余家圣; 高贵平; 孙兴华
Original assignee: Kunshan Luxshare RF Technology Co Ltd
Current assignee: Suzhou Lixun Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-11-30
Anticipated expiration: 2031-07-12

Abstract

The utility model belongs to the technical field of the radio frequency product, a cavity filter is disclosed, it includes the piece of taking a percentage, takes a percentage the piece and includes first piece portion and second piece portion, and the one end of first piece portion is the one end of angle connection in second piece portion, and the junction of first piece portion and second piece portion forms first bending segment, and first bending segment is provided with first strengthening rib. The joint of the first piece part and the second piece part of the tap piece is provided with the first reinforcing rib, so that the strength and the rigidity of the tap piece are enhanced under the condition that the thickness of the tap piece is not increased, the tap piece is prevented from deforming, materials can be saved, the cost is saved, and the weight is reduced. Therefore, the utility model provides a cavity filter strengthens the intensity and the rigidity of its tap piece, avoids influencing filtering performance because the tap piece warp.

Description

Cavity filter

Technical Field

The utility model belongs to the technical field of the radio frequency product, especially, relate to a cavity filter.

Background

The radio frequency product is an important device in the technical field of communication, and the performance of the radio frequency product directly affects the communication capability of the device. The cavity filter is an indispensable module in the radio frequency product, and the cavity filter is mainly used for the front end filtering of the radio frequency product and filtering out strong interference signals.

At present, the structure strength of a tap piece in a cavity filter is not enough, and the tap piece is easy to deform under pressure in the process of electroplating and transportation, so that the performance of a radio frequency product is influenced.

Therefore, a cavity filter is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cavity filter strengthens the intensity and the rigidity of its tapped piece, avoids influencing filtering performance because the tapped piece warp.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a cavity filter, includes the tapped piece, the tapped piece includes first piece portion and second piece portion, the one end of first piece portion be the angle connect in the one end of second piece portion, first piece portion with the junction of second piece portion forms first bending segment, first bending segment is provided with first strengthening rib.

Preferably, the first bending section includes a first inner surface and a first outer surface opposite to each other, and the first rib includes a first rib protruding from the first inner surface and disposed between the first sheet portion and the second sheet portion.

Preferably, the first reinforcing rib further comprises a first groove, and the first groove is recessed from the first outer surface and is arranged corresponding to the first convex rib.

Preferably, the tapped piece further comprises a third piece, one end of the third piece is connected to the end, deviating from the first piece, of the second piece in an angle mode, a second bending section is formed at the joint of the third piece and the second piece, and a second reinforcing rib is arranged on the second bending section.

Preferably, the first bending section includes a first inner surface and a first outer surface which are opposite to each other, the first reinforcing rib includes a first protruding rib and a first groove, the first protruding rib protrudes from the first inner surface and is disposed between the first sheet portion and the second sheet portion, and the first groove is recessed from the first outer surface and is disposed corresponding to the first protruding rib; the second bending section comprises a second inner surface and a second outer surface which are opposite, the second reinforcing rib comprises a second convex rib and a second groove, the second convex rib protrudes from the second inner surface and is arranged between the third sheet part and the second sheet part, and the second groove is sunken from the second outer surface and corresponds to the second convex rib.

Preferably, the first ribs and the second ribs protrude in opposite directions.

Preferably, the connector and the resonance rod are further included, and the tap piece is connected between the connector and the resonance rod.

Preferably, the number of the two tap pieces is a first tap piece head and a second tap piece head, one end of the first tap piece head is coupled with one end of the second tap piece head, the other end of the first tap piece head is connected to the connector, and the other end of the second tap piece head is connected to the resonance rod.

Preferably, the connector further comprises an installation shell and an installation seat, the resonance rod is connected in the installation shell, a first connecting column is arranged at the bottom end of the resonance rod, the first connecting column penetrates through the second drawing head and the installation shell simultaneously, the drawing head is located in the installation shell, one end of the connector is connected in the installation shell through the installation seat, and the other end of the connector extends out of the installation shell.

Preferably, the mounting shell is provided with a containing groove and a mounting groove, a communication opening communicated with the containing groove is formed in the side wall of the mounting groove, the mounting seat is connected in the mounting groove, the resonance rod is connected in the containing groove, and the first sheet drawing head extends into the containing groove through the communication opening.

The utility model has the advantages that:

the utility model provides a cavity filter is provided with first strengthening rib in the junction of taking a percentage first piece portion of piece and second piece portion, under the thick condition of piece material of taking a percentage not increasing, has strengthened the intensity and the rigidity of taking a percentage piece, avoids taking a percentage the piece and takes place to warp, moreover, can save material, practices thrift the cost, reduces weight. Therefore, the utility model provides a cavity filter strengthens the intensity and the rigidity of its tap piece, avoids influencing filtering performance because the tap piece warp.

Drawings

Fig. 1 is a schematic view of a first view angle of a tap piece according to an embodiment of the present invention;

fig. 2 is a schematic view of a second view angle of the tap piece provided by the embodiment of the present invention;

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

fig. 4 is a schematic diagram of a third view angle of the tap piece provided by the embodiment of the present invention;

fig. 5 is an exploded schematic structural diagram of a cavity filter provided in an embodiment of the present invention;

fig. 6 is a schematic view of an installation shell according to an embodiment of the present invention.

In the figure:

1. tapping pieces; 2. a connector; 3. a resonant rod; 4. mounting a shell; 5. a mounting seat;

11. a first sheet portion; 12. a second sheet portion; 13. a first reinforcing rib; 14. a third sheet portion; 15. a second reinforcing rib; 16. a first bending section; 17. a second bending section; 31. a first connecting column; 41. a containing groove; 42. mounting grooves; 43. a communication port; 51. a second connecting column;

131. a first rib; 132. a first groove; 151. a second rib; 152. a second groove; 161. a first inner surface; 162. a first outer surface; 171. a second inner surface; 172. a second outer surface.

Detailed Description

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

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly and can include, for example, a mounted connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediary, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment provides a cavity filter, which includes a connector 2, a resonant rod 3, and a tap chip 1, wherein the tap chip 1 is connected between the connector 2 and the resonant rod 3.

When the cavity filter works, signals are transmitted to the tap piece 1 through the connector 2 and then transmitted to the resonance rod 3 through the tap piece 1 to generate resonance, so that other redundant signals are filtered, and required signals are obtained.

Specifically, the tap piece 1 comprises a first piece portion 11 and a second piece portion 12, one end of the first piece portion 11 is connected to one end of the second piece portion 12 at an angle, a first bending section 16 is formed at the joint of the first piece portion 11 and the second piece portion 12, and the first bending section 16 is provided with a first reinforcing rib 13.

The cavity filter that this embodiment provided is provided with first strengthening rib 13 in the junction of taking a percentage first piece portion 11 and second piece portion 12 of piece 1, under the condition that does not increase the piece 1 material thickness of taking a percentage, has strengthened the intensity and the rigidity of taking a percentage piece 1, avoids taking a percentage piece 1 and takes place to warp, moreover, can save material, saving cost, reduce weight. Therefore, the cavity filter provided by the embodiment enhances the strength and rigidity of the tap piece 1, and avoids the influence on the filtering performance due to the deformation of the tap piece 1.

Due to the arrangement of the first reinforcing rib 13, the strength and rigidity of the tapping sheet 1 are high, the requirement on the thickness of the tapping sheet 1 is not high, and the thickness of the tapping sheet 1 in the embodiment is not more than 0.5 mm.

Specifically, the first bending section 16 includes a first inner surface 161 and a first outer surface 162 opposite to each other, and the first reinforcing rib 13 includes a first protruding rib 131, and the first protruding rib 131 protrudes from the first inner surface 161 and is disposed between the first sheet portion 11 and the second sheet portion 12. The provision of the first ribs 131 improves the strength and rigidity of the tap piece 1.

More specifically, the first reinforcing rib 13 further includes a first groove 132, and the first groove 132 is recessed from the first outer surface 162 and is disposed corresponding to the first protruding rib 131. The first groove 132 is provided so that the material used for the tap piece 1 remains unchanged without increasing the material cost.

Optionally, the tap piece 1 further includes a third piece portion 14, one end of the third piece portion 14 is connected to one end of the second piece portion 12 away from the first piece portion 11 at an angle, a second bending section 17 is formed at a connection position of the third piece portion 14 and the second piece portion 12, and the second bending section 17 is provided with a second reinforcing rib 15.

In the present embodiment, the second bending section 17 includes a second inner surface 171 and a second outer surface 172 opposite to each other, the second rib 15 includes a second rib 151 and a second groove 152, the second rib 151 protrudes from the second inner surface 171 and is disposed between the third sheet portion 14 and the second sheet portion 12, and the second groove 152 is recessed from the second outer surface 172 and is disposed corresponding to the second rib 151.

Specifically, the first sheet portion 11 and the third sheet portion 14 are located on opposite sides of the second sheet portion 12, respectively. The first and

second beads

131 and 151 protrude in opposite directions.

In the present embodiment, the first sheet portion 11 is perpendicular to the second sheet portion 12, and the second sheet portion 12 is perpendicular to the third sheet portion 14.

Alternatively, in other embodiments, the included angles between the first sheet portion 11 and the second sheet portion 12 and between the second sheet portion 12 and the third sheet portion 14 may be different, and the first sheet portion 11 and the third sheet portion 14 may be located on the same side of the second sheet portion 12.

Optionally, in other embodiments, an end of the third sheet portion 14 away from the second sheet portion 12 may also be sequentially connected to a fourth sheet portion, a fifth sheet portion, and the like, and a joint of any two adjacent sheet portions is provided with a reinforcing rib, and the specific number of sheet portions and the angle between adjacent sheet portions are set according to actual needs, and are not specifically limited herein.

Alternatively, in other embodiments, a plurality of tap pieces 1 may be provided, the plurality of tap pieces 1 are connected in sequence, and the head and tail ends of the whole formed by the connection are respectively connected to the connector 2 and the resonance rod 3.

Specifically, in this embodiment, the tap pieces 1 are provided with two tap pieces 1, the two tap pieces 1 are respectively a first tap piece head and a second tap piece head, one end of the first tap piece head is coupled with one end of the second tap piece head, the other end of the first tap piece head is connected to the connector 2, and the other end of the second tap piece head is connected to the resonance rod 3.

The cavity filter that this embodiment provided still includes installation shell 4, and resonance bar 3 is connected in installation shell 4, and tap piece 1 is located installation shell 4, and the one end of connector 2 is connected in installation shell 4, and the other end extends outside installation shell 4. A signal is input through one end of the connector 2 located outside the mounting case 4, and is transmitted to the tap chip 1 through one end of the connector 2 located inside the mounting case 4.

As shown in fig. 5 and 6, the cavity filter provided in this embodiment further includes a mounting seat 5, and the connector 2 is connected to the mounting case 4 through the mounting seat 5. Resonance pole 3 is connected in installing shell 4, and resonance pole 3's bottom is provided with first spliced pole 31, and first spliced pole 31 wears to locate the second simultaneously and takes out the piece head and install shell 4, connects resonance pole 3 in installing shell 4 through first spliced pole 31, takes out first piece 1 and is located installing shell 4, and the one end of connector 2 is passed through mount pad 5 and is connected in installing shell 4, and the other end of connector 2 extends outside installing shell 4.

Specifically, the installation shell 4 is provided with an accommodation groove 41 and an installation groove 42, a communication port 43 communicated with the accommodation groove 41 is arranged on the side wall of the installation groove 42, the installation seat 5 is connected in the installation groove 42, the resonance rod 3 is connected in the accommodation groove 41, and the first sheet drawing head extends into the accommodation groove 41 through the communication port 43. The provision of the mounting groove 42 makes the mounting of the connector 2 more stable. In the present embodiment, the first connecting column 31 is simultaneously inserted into the second drawing head and the bottom of the accommodating groove 41.

More specifically, the bottom of mount pad 5 is provided with second spliced pole 51, and the tank bottom of first piece head and mounting groove 42 is worn to locate simultaneously by second spliced pole 51, and connector 2 cartridge is in the one end that mount pad 5 deviates from installation shell 4. The second connecting post 51 connects the mount 5 to the mounting shell 4.

Alternatively, the first reinforcing rib 13 may be provided in plural, and the plural first reinforcing ribs 13 may be provided at intervals from each other along the extending direction of the connecting line between the first sheet portion 11 and the second sheet portion 12. The provision of the plurality of first reinforcing ribs 13 further enhances the strength and rigidity of the tap piece 1. Similarly, a plurality of second ribs 15 may be provided between the second sheet portion 12 and the third sheet portion 14, thereby further enhancing the strength and rigidity of the tap piece 1.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a cavity filter, its characterized in that, includes tapped piece (1), tapped piece (1) includes first piece portion (11) and second piece portion (12), the one end of first piece portion (11) is the angle connect in the one end of second piece portion (12), first piece portion (11) with the junction of second piece portion (12) forms first bending segment (16), first bending segment (16) are provided with first strengthening rib (13).

2. The cavity filter according to claim 1, wherein the first bend section (16) comprises opposing first inner and outer surfaces (161, 162), and the first stiffener (13) comprises a first rib (131), the first rib (131) protruding from the first inner surface (161) and being disposed between the first and second sheet portions (11, 12).

3. The cavity filter according to claim 2, wherein the first stiffener (13) further comprises a first groove (132), the first groove (132) being recessed from the first outer surface (162) and being disposed corresponding to the first rib (131).

4. The cavity filter according to claim 1, wherein the tap piece (1) further comprises a third piece (14), one end of the third piece (14) is connected to an end of the second piece (12) facing away from the first piece (11) at an angle, a second bend (17) is formed at the connection of the third piece (14) and the second piece (12), and the second bend (17) is provided with a second reinforcement rib (15).

5. The cavity filter according to claim 4, wherein the first bending section (16) comprises a first inner surface (161) and a first outer surface (162) which are opposite to each other, the first reinforcing rib (13) comprises a first rib (131) and a first groove (132), the first rib (131) protrudes from the first inner surface (161) and is disposed between the first sheet portion (11) and the second sheet portion (12), and the first groove (132) is recessed from the first outer surface (162) and is disposed corresponding to the first rib (131); the second bending section (17) comprises a second inner surface (171) and a second outer surface (172) which are opposite to each other, the second reinforcing rib (15) comprises a second rib (151) and a second groove (152), the second rib (151) protrudes from the second inner surface (171) and is arranged between the third sheet part (14) and the second sheet part (12), and the second groove (152) is sunken from the second outer surface (172) and is arranged corresponding to the second rib (151).

6. The cavity filter according to claim 5, wherein the first ribs (131) and the second ribs (151) protrude in opposite directions.

7. The cavity filter according to claim 1, further comprising a connector (2) and a resonance rod (3), the tap piece (1) being connected between the connector (2) and the resonance rod (3).

8. The cavity filter according to claim 7, wherein there are two tap pieces (1), and two tap pieces (1) are respectively a first tap piece and a second tap piece, one end of the first tap piece is coupled with one end of the second tap piece, the other end of the first tap piece is connected to the connector (2), and the other end of the second tap piece is connected to the resonant rod (3).

9. The cavity filter of claim 8, further comprising a mounting shell (4) and a mounting base (5), wherein the resonant rod (3) is connected in the mounting shell (4), a first connecting column (31) is disposed at a bottom end of the resonant rod (3), the first connecting column (31) penetrates through the second tap head and the mounting shell (4), the tap head (1) is located in the mounting shell (4), one end of the connector (2) is connected in the mounting shell (4) through the mounting base (5), and the other end of the connector (2) extends out of the mounting shell (4).

10. The cavity filter according to claim 9, wherein the mounting housing (4) defines a receiving cavity (41) and a mounting cavity (42), a side wall of the mounting cavity (42) is provided with a communication port (43) communicating with the receiving cavity (41), the mounting seat (5) is connected to the mounting cavity (42), the resonant rod (3) is connected to the receiving cavity (41), and the first tap extends into the receiving cavity (41) through the communication port (43).