CN114335967B - Resonance rod with bottom compression joint structure - Google Patents
Resonance rod with bottom compression joint structure Download PDFInfo
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- CN114335967B CN114335967B CN202210043652.8A CN202210043652A CN114335967B CN 114335967 B CN114335967 B CN 114335967B CN 202210043652 A CN202210043652 A CN 202210043652A CN 114335967 B CN114335967 B CN 114335967B
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Abstract
The invention discloses a resonance rod with a bottom compression joint structure, and particularly relates to the field of assembly of resonance rods, which comprises a resonance rod body and a shell positioned below the resonance rod body, wherein a compression joint component is arranged at the bottom of the resonance rod body, and a pressure groove matched with the compression joint component is formed in the shell; the crimping assembly comprises a first clamping ring, the first clamping ring is fixed to the bottom of the resonant rod body, grooves are formed in the periphery of the first clamping ring at intervals, damping layers which are offset with the grooves are arranged in the grooves, the first clamping ring is rotatably connected to the bottom of the second clamping ring, a limiting groove is formed in the bottom of the second clamping ring, and a limiting block matched with the limiting groove is arranged in the grooves. According to the invention, the resonant rod body is twisted, the limiting groove is clamped with the limiting block in the pressure groove, and the pressure block is inserted into the connecting groove, so that the tolerance of the resonant rod body in the pressure welding direction is reduced, the coupling consistency of the resonant rod body and the filter after pressure welding is ensured, and the using effect is good.
Description
Technical Field
The invention relates to the field of assembly of resonant rods, in particular to a resonant rod with a bottom compression joint structure.
Background
With the development of modern communication technology, people put more and more strict requirements on the performance, volume and weight of communication equipment, so that the miniaturization of the cavity filter is an inevitable trend at present. In the cavity filter design with loose space, the resonator is mostly fastened on the cavity boss of the cavity by screws. However, in a miniaturized cavity filter, the sizes of the resonator and the cavity boss are often too small to leave a screw space, and the resonator crimping technology is particularly important.
After the existing resonator is fixedly crimped, a gap is easy to appear between the bottom surface and the shell, so that the crimping precision has tolerance, the original resonant frequency of the resonator is changed, and the using effect is influenced.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a resonant rod with a bottom crimping structure, and the technical problem to be solved by the present invention is: a gap is easy to appear between the bottom surface and the shell, so that the crimping precision has tolerance, the original resonant frequency of the resonator is changed, and the using effect is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a resonance rod with a bottom compression joint structure comprises a resonance rod body and a shell positioned below the resonance rod body, wherein a compression joint assembly is arranged at the bottom of the resonance rod body, and a compression groove matched with the compression joint assembly is formed in the shell; the compression joint assembly comprises a first compression ring, the first compression ring is fixed at the bottom of the resonance rod body, notches are formed in the periphery of the first compression ring at intervals, a damping layer which is abutted against the notches is arranged in the notches, the bottom of the first compression ring is rotatably connected with a second compression ring, a limiting groove is formed in the bottom of the second compression ring, and a limiting block matched with the limiting groove is arranged in the notches; the inside circumference of second clamping ring distributes there are a plurality of briquetting, be equipped with in the second clamping ring and hold the gliding spout of briquetting, the fixed depression bar that is equipped with in briquetting top, be equipped with the extrusion groove that corresponds with the depression bar on the first clamping ring, the depression bar be located the extrusion groove and with extrusion groove sliding connection, the briquetting top is equipped with the convex elastic layer that makes progress, be equipped with the spread groove that matches with the briquetting in the crush groove, be equipped with the elastic groove that matches with the elastic layer in the spread groove.
The concrete embodiment mode, through wrench movement resonance bar body, make the stopper block in spacing groove and the indent, the realization is fixed the spacing of resonance bar body, first clamping ring promotes the slip of a plurality of depression bar through the extrusion groove, the depression bar is fixed with the briquetting, so promote the briquetting and release from the spout, make the briquetting insert in the spread groove, the elastic layer at briquetting through the top can offset with the elastic groove in the spread groove, thereby avoid the briquetting to follow the roll-off in the spread groove, it is even to have the packing force, the advantage that the crimping reliability is high, damping layer in the indent can contact with the fluting on the first clamping ring, increase the rotation frictional force of first clamping ring, guarantee the stability of crimping structure.
Further, first clamping ring and second clamping ring all are located same axle center with the resonance rod body, connect through the bearing between first clamping ring and the second clamping ring.
Further, the damping layer is fixed with the inner wall of the pressure groove and made of elastic rubber materials.
Furthermore, the second clamping ring is run through to spout one end, makes briquetting roll-off second clamping ring with the spread groove is pegged graft.
Furthermore, the extrusion grooves are obliquely arranged, and the number of the extrusion grooves is consistent with that of the extrusion rods.
Further, the end, close to the connecting groove, of the pressing block is set to be an arc-shaped end, and the elastic layer is made of rubber materials.
Further, a sealing layer is arranged above the damping layer, and a sealing groove which is abutted to the sealing layer is formed in the resonance rod body.
Further, the sealing layer is bonded with the inner wall of the pressure groove, and the surface of the sealing layer is an arc part.
The invention has the technical effects and advantages that:
1. the resonance rod body is twisted, so that the limiting groove is clamped with the limiting block in the pressure groove, the resonance rod body is limited and fixed, the resonance rod body is prevented from transversely displacing in the using process, the tolerance of the transverse pressure connection direction is reduced, the pressing block is inserted into the connecting groove, the pressing block can apply pressure on the resonance rod body, the longitudinal displacement of the resonance rod body in the using process is avoided, the advantages of uniform pressing force and high pressure connection reliability are further achieved, the tolerance of the longitudinal pressure connection direction is reduced, the coupling consistency of the resonance rod body and a filter after pressure connection is guaranteed, and the use effect is good;
2. according to the invention, the damping layer is arranged, and the damping layer in the pressure groove can be contacted with the open groove on the first pressure ring, so that the rotating friction force of the first pressure ring is increased, the first pressure ring is prevented from rotating due to external vibration, and the stability of a compression joint structure is ensured;
3. according to the invention, the sealing layer is arranged, the sealing layer is abutted against the sealing groove, so that the resonance rod body is further compressed, and the sealing layer can fill the gap to isolate the gap from the outside, so that the running reliability of internal parts is ensured.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention.
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention.
Fig. 3 is a front view of the overall structure of the present invention.
FIG. 4 is a perspective view of the limiting groove structure of the present invention.
Fig. 5 is a schematic view of a first pressure ring structure according to the present invention.
FIG. 6 is a schematic view of a second compression ring and a compact according to the present invention.
FIG. 7 is a schematic view of the connecting structure of the pressing block and the connecting groove of the present invention.
The reference signs are: 1. a resonant rod body; 2. a housing; 3. a crimping assembly; 4. pressing a groove; 5. a first pressure ring; 6. grooving; 7. a damping layer; 8. a second pressure ring; 9. a limiting groove; 10. pressing into blocks; 11. a chute; 12. a pressure lever; 13. extruding a groove; 14. an elastic layer; 15. connecting grooves; 16. an elastic groove; 17. a bearing; 18. an arcuate end; 19. a sealing layer; 20. a sealing groove; 21. a circular arc portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, in the present embodiment, a resonance rod of a bottom crimping structure is provided, including a resonance rod body 1, and a housing 2 located below the resonance rod body 1, where a crimping component 3 is provided at the bottom of the resonance rod body 1, and a pressing groove 4 matched with the crimping component 3 is provided on the housing 2; the crimping assembly 3 comprises a first clamping ring 5, the first clamping ring 5 is fixed at the bottom of the resonance rod body 1, slots 6 are formed in the periphery of the first clamping ring 5 at intervals, a damping layer 7 abutting against the slots 6 is arranged in the pressing groove 4, the bottom of the first clamping ring 5 is rotatably connected with a second clamping ring 8, a limiting groove 9 is formed in the bottom of the second clamping ring 8, and a limiting block matched with the limiting groove 9 is arranged in the pressing groove 4; the inside circumference of second clamping ring 8 distributes and has a plurality of briquetting 10, be equipped with in the second clamping ring 8 and hold the gliding spout 11 of briquetting 10, the fixed depression bar 12 that is equipped with in briquetting 10 top, be equipped with the extrusion groove 13 that corresponds with depression bar 12 on the first clamping ring 5, depression bar 12 be located extrusion groove 13 and with extrusion groove 13 sliding connection, briquetting 10 top is equipped with the convex elastic layer 14 that makes progress, be equipped with the spread groove 15 that matches with briquetting 10 in the indent 4, be equipped with the elastic groove 16 that matches with elastic layer 14 in the spread groove 15.
In the specific implementation mode, when in use, the resonance rod body 1 is placed into the pressure groove 4, the limit groove 9 is clamped with the limit block in the pressure groove 4 by twisting the resonance rod body 1, the limit fixing of the resonance rod body 1 is realized, the resonance rod body 1 is prevented from generating transverse displacement in the use process, so that the tolerance of the transverse compression joint direction is reduced, then the resonance rod body 1 is rotated, the resonance rod body 1 drives the fixedly connected first compression ring 5 to rotate, the first compression ring 5 pushes the plurality of compression bars 12 to slide through the extrusion grooves 13, the compression bars 12 are fixed with the pressing block 10, so that the pressing block 10 is pushed out from the sliding groove 11, the pressing block 10 is inserted into the connecting groove 15, the pressing block 10 can abut against the elastic groove 16 in the connecting groove 15 through the elastic layer 14 at the top, so that the pressing block 10 is prevented from sliding out from the connecting groove 15, the reliability of connection is ensured, and the elastic layer 14 can apply downward elastic force to the pressing block 10, and then briquetting 10 can be applyed pressure on resonance bar body 1, avoid resonance bar body 1 to take place longitudinal displacement in the use, and still have the packing force even, the advantage that the crimping reliability is high, thereby reduce the tolerance of vertical crimping direction, guarantee the uniformity of resonance bar body 1 crimping back and wave filter coupling, damping layer 7 in indent 4 can contact with fluting 6 on the first clamping ring 5, increase the rotation frictional force of first clamping ring 5, avoid first clamping ring 5 to receive external vibrations and rotation, guarantee the stability of crimping structure.
In this embodiment, first clamping ring 5 and second clamping ring 8 are located same axle center with resonance rod body 1, connect through bearing 17 between first clamping ring 5 and the second clamping ring 8.
The compression ring assembly and the resonance rod body 1 are coaxially arranged, so that the consistency of coupling with the filter after the resonance rod body 1 is pressed is ensured.
In this embodiment, the damping layer 7 is fixed to the inner wall of the pressure groove 4, and the damping layer 7 is made of an elastic rubber material.
In this embodiment, one end of the sliding groove 11 penetrates through the second pressing ring 8, so that the pressing block 10 can slide out of the second pressing ring 8 and be connected with the connecting groove 15 in an inserting manner.
The pressing block 10 is inserted into the connecting groove 15, the pressing block 10 abuts against the elastic groove 16 in the connecting groove 15 through the elastic layer 14 on the top, the reliability of connection is guaranteed, and the pressing device has the advantages of uniform pressing force and high crimping reliability.
In the present embodiment, the pressing grooves 13 are arranged obliquely, and the number of the pressing grooves 13 is the same as that of the pressing rods 12.
The pressing grooves 13 push the pressing rods 12 to slide, the pressing rods 12 are fixed with the pressing block 10, so that the pressing block 10 is pushed out of the sliding groove 11, the pressing block 10 is inserted into the connecting groove 15, and pressing force is uniform and firm.
In this embodiment, one end of the pressing block 10 close to the connecting groove 15 is provided with an arc-shaped end 18, and the elastic layer 14 is made of rubber material.
The pressing block 10 with the arc-shaped end 18 is convenient to be automatically inserted into the connecting groove 15, automatic positioning is achieved, the pressing block 10 can be abutted to the elastic groove 16 in the connecting groove 15 through the elastic layer 14 on the top, and therefore the pressing block 10 is prevented from sliding out of the connecting groove 15, and reliability of connection is guaranteed.
In this embodiment, a sealing layer 19 is disposed above the damping layer 7, and a sealing groove 20 abutting against the sealing layer 19 is disposed on the resonant rod body 1.
The sealing layer 19 is abutted against the sealing groove 20, so that the resonance rod body 1 is further compressed, gaps can be filled by the sealing layer 19 to be isolated from the outside, and the running reliability of internal parts is guaranteed. Wherein the sealing layer 19 may be provided as a balloon.
In this embodiment, the sealing layer 19 is adhered to the inner wall of the indent 4, and the surface of the sealing layer 19 is an arc portion 21.
The sealing layer 19 of the arc part 21 has a large contact area with the sealing groove 20, and the sealing effect is good.
The working principle of the invention is as follows:
referring to the attached drawings 1-7 in the specification, the limiting groove 9 is clamped with the limiting block in the pressure groove 4 to limit and fix the resonance rod body 1, the first pressure ring 5 pushes the plurality of pressure rods 12 to slide through the extrusion groove 13, the pressure rods 12 are fixed with the pressure block 10, so that the pressure block 10 is pushed out from the sliding groove 11, the pressure block 10 is inserted into the connecting groove 15, the pressure block 10 abuts against the elastic groove 16 in the connecting groove 15 through the elastic layer 14 at the top, the pressure block 10 is prevented from sliding out of the connecting groove 15, the damping layer 7 in the pressure groove 4 is contacted with the open groove 6 in the first pressure ring 5, the rotating friction force of the first pressure ring 5 is increased, and the first pressure ring 5 is prevented from rotating due to external vibration.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a resonance pole of bottom crimping structure, includes resonance pole body (1) to and be located casing (2) of resonance pole body (1) below, its characterized in that: the bottom of the resonance rod body (1) is provided with a crimping component (3), and the shell (2) is provided with a pressing groove (4) matched with the crimping component (3);
the crimping assembly (3) comprises a first compression ring (5), the first compression ring (5) is fixed to the bottom of the resonance rod body (1), grooves (6) are formed in the periphery of the first compression ring (5) at intervals, a damping layer (7) which is abutted to the grooves (6) is arranged in each compression groove (4), the bottom of the first compression ring (5) is rotatably connected with a second compression ring (8), a limiting groove (9) is formed in the bottom of the second compression ring (8), and a limiting block which is matched with the limiting groove (9) is arranged in each compression groove (4);
a plurality of pressing blocks (10) are distributed in the second pressing ring (8) in the circumferential direction, a sliding groove (11) for accommodating the pressing blocks (10) to slide is formed in the second pressing ring (8), a pressing rod (12) is fixedly arranged at the top of each pressing block (10), an extrusion groove (13) corresponding to the pressing rod (12) is formed in the first pressing ring (5), the pressing rod (12) is located in the extrusion groove (13) and is in sliding connection with the extrusion groove (13), an elastic layer (14) protruding upwards is arranged at the top of each pressing block (10), a connecting groove (15) matched with each pressing block (10) is formed in the pressing groove (4), and an elastic groove (16) matched with the elastic layer (14) is formed in the connecting groove (15);
and one end of the sliding groove (11) penetrates through the second pressing ring (8), so that the pressing block (10) can slide out of the second pressing ring (8) and be connected with the connecting groove (15) in an inserting mode.
2. A resonance bar of a bottom crimping structure according to claim 1, characterized in that: first clamping ring (5) and second clamping ring (8) all are located same axle center with resonance rod body (1), connect through bearing (17) between first clamping ring (5) and second clamping ring (8).
3. The resonance rod of a bottom crimping structure according to claim 1, wherein: the damping layer (7) is fixed with the inner wall of the pressure groove (4), and the damping layer (7) is made of elastic rubber materials.
4. A resonance bar of a bottom crimping structure according to claim 1, characterized in that: the extrusion grooves (13) are obliquely arranged, and the number of the extrusion grooves (13) is consistent with that of the extrusion rods (12).
5. A resonance bar of a bottom crimping structure according to claim 1, characterized in that: one end of the pressing block (10) close to the connecting groove (15) is provided with an arc-shaped end (18), and the elastic layer (14) is made of rubber materials.
6. A resonance bar of a bottom crimping structure according to claim 1, characterized in that: damping layer (7) top is equipped with sealing layer (19), be equipped with seal groove (20) that offset with sealing layer (19) on resonance bar body (1).
7. The resonance bar of a bottom crimping structure according to claim 6, wherein: the sealing layer (19) is adhered to the inner wall of the pressure groove (4), and the surface of the sealing layer (19) is an arc portion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210043652.8A CN114335967B (en) | 2022-01-14 | 2022-01-14 | Resonance rod with bottom compression joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210043652.8A CN114335967B (en) | 2022-01-14 | 2022-01-14 | Resonance rod with bottom compression joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN114335967A CN114335967A (en) | 2022-04-12 |
| CN114335967B true CN114335967B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210043652.8A Active CN114335967B (en) | 2022-01-14 | 2022-01-14 | Resonance rod with bottom compression joint structure |
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| CN (1) | CN114335967B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114928A (en) * | 1997-11-10 | 2000-09-05 | Smith; Patrick | Mounting assemblies for tubular members used in RF filters |
| CN101807737A (en) * | 2010-04-12 | 2010-08-18 | 深圳市大富科技股份有限公司 | Cavity filter, filter cavity and resonating tube assembling method |
| WO2017113166A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳市大富科技股份有限公司 | Cavity filter, cover plate and pressing rivet threaded sleeve thereof |
| CN205921064U (en) * | 2016-08-03 | 2017-02-01 | 武汉凡谷电子技术股份有限公司 | TM mould dielectric resonator and dielectric filter |
| CN208173773U (en) * | 2018-05-22 | 2018-11-30 | 摩比天线技术（深圳）有限公司 | Resonator welding tooling |
| CN108598636B (en) * | 2018-05-23 | 2024-06-04 | 广东通宇通讯股份有限公司 | Structure and method for fixing cavity and resonant rod in spin riveting mode |
| CN208272088U (en) * | 2018-05-23 | 2018-12-21 | 广东通宇通讯股份有限公司 | The resonant rod of cavity body filter and its height adjustable band locking function |
| KR102361611B1 (en) * | 2018-07-04 | 2022-02-11 | (주)웨이브텍 | Method For Forming Combination Structures Between Components In Radio Frequency Filters |
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2022
- 2022-01-14 CN CN202210043652.8A patent/CN114335967B/en active Active
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