CN213647346U

CN213647346U - Dielectric filter assembly fixture

Info

Publication number: CN213647346U
Application number: CN202021602114.0U
Authority: CN
Inventors: 杜李林; 顾国治; 梁小建; 刘�文; 徐海新
Original assignee: Mobi Antenna Technologies Shenzhen Co Ltd; Shenzhen Shengyu Wisdom Network Technology Co Ltd; Mobi Technology Xian Co Ltd; Mobi Antenna Technologies Jian Co Ltd; Mobi Technology Shenzhen Co Ltd; Xian Mobi Antenna Technology Engineering Co Ltd
Current assignee: Mobi Antenna Technologies Shenzhen Co Ltd; Shenzhen Shengyu Wisdom Network Technology Co Ltd; Mobi Technology Xian Co Ltd; Mobi Antenna Technologies Jian Co Ltd; Mobi Technology Shenzhen Co Ltd; Xian Mobi Antenna Technology Engineering Co Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-07-09
Anticipated expiration: 2030-08-04

Abstract

The embodiment of the utility model is suitable for the technical field of filters, the filter comprises a medium and a PCB, the dielectric filter assembling tool clamp comprises a support plate, a limiting plate and a pressing plate which are sequentially stacked, the limiting plate is fixed on the carrier plate, the PCB is fixed on the carrier plate, the limiting plate compresses the PCB, the limiting plate is provided with a limiting cavity for containing the medium, the two ends of the limiting cavity along the thickness direction of the limiting plate are open, the surface of the pressing plate facing the limiting plate is provided with an elastic pressing piece which elastically presses the medium, the PCB board comprises a PCB board and a carrier plate, wherein the carrier plate is provided with a convex block protruding upwards, one side of the medium, which is far away from the pressing plate, is attached to the convex block, so that a gap is formed between the medium and the PCB board, and the pressing plate and the edge of the carrier plate are fastened with each other through a fastener. The utility model discloses exempt from the process of assembling the gasket, easy operation can effective reduce cost.

Description

Dielectric filter assembly fixture

Technical Field

The utility model belongs to the technical field of the wave filter, especially, relate to a dielectric filter assembly fixture.

Background

With the advent of the 5G era, the dielectric filter is widely applied by virtue of the characteristics of low loss, high dielectric constant, small thermal expansion coefficient and the like of ceramic materials of the dielectric filter. The dielectric filter generally comprises a ceramic dielectric with a metal layer attached to the surface, a PCB and a connector, and the miniaturization and the precision of the dielectric filter require high overall precision, so that the precision of parts and the precision of assembly are controlled manually, the precision of the parts are basically on the same horizontal line in the industry at the present stage, and the overall thickness and the gap are controlled by adding a gasket between the dielectric and the PCB in the aspect of the precision of assembly. Although the method for adding the gasket can effectively control the assembly size, the cost is undoubtedly increased for the mass production of the 5G filter, and because the gasket is very small, the gasket can only be fixed by the viscosity of solder paste during assembly, effective fixation cannot be realized, and poor assembly is easily caused by deviation.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve provides a dielectric filter assembly fixture, has avoided the process of assembly gasket, and easy operation can effective reduce cost.

The embodiment of the utility model provides a realize like this, a dielectric filter assembles frock clamp, the wave filter includes medium and PCB board, dielectric filter assembles frock clamp including the support plate, limiting plate and the clamp plate that stack gradually the setting, the limiting plate is fixed on the support plate;

the PCB board is fixed on the support plate, the limiting plate compresses tightly the PCB board, be provided with on the limiting plate and be used for the holding spacing chamber of medium, spacing chamber is followed spacing plate thickness direction both ends opening, the clamp plate orientation be provided with elasticity on the face of limiting plate and compress tightly the piece, elasticity compresses tightly the piece elasticity and compresses tightly the medium, be provided with the bellied lug that makes progress on the support plate, the medium deviates from clamp plate one side with the lug laminating makes the medium with the interval has between the PCB board, the clamp plate with the support plate border is passed through the straining each other of buckle spare.

Furthermore, the elastic pressing piece comprises a pressing pin, a spring and a clamp spring, the pressing pin can penetrate through the pressing plate in a penetrating mode in a vertically moving mode, the head portion of the pressing pin presses the medium, the spring is sleeved on the pressing pin, one end of the spring abuts against the pressing plate, the other end of the spring abuts against the head portion of the pressing pin, the clamp spring is arranged at the end portion, far away from the medium, of the pressing pin, and the clamp spring is embedded on the pressing pin in the circumferential direction.

Furthermore, the limiting plate is provided with an avoiding groove corresponding to the bump and used for avoiding the bump.

Furthermore, the PCB is of a makeup structure.

Furthermore, the limiting plate and the carrier plate are locked through a locking screw.

Furthermore, one end of the clamping part is fixed on the pressing plate through a screw, the other end of the clamping part extends towards the direction of the support plate, a pressing part is arranged at the end part of the other end of the clamping part, and the pressing part presses the plate surface of the support plate deviating from the pressing plate.

Further, be provided with on the support plate and be used for the location the support plate pin of limiting plate, the limiting plate corresponds the support plate pin is provided with the support plate pinhole, the support plate pin inserts in the support plate pinhole.

Further, be provided with on the clamp plate and be used for the location the support plate with the clamp plate round pin of limiting plate, the clamp plate round pin with clamp plate threaded connection, the support plate corresponds the clamp plate round pin is provided with first clamp plate pinhole, the limiting plate corresponds the clamp plate round pin is provided with second clamp plate pinhole, the clamp plate round pin passes in proper order second clamp plate pinhole with first clamp plate pinhole.

Furthermore, the carrier plate is provided with a positioning pin for positioning the PCB, and the PCB is provided with a positioning hole corresponding to the positioning pin.

Further, the shape of the limiting cavity is matched with the shape of the medium.

Compared with the prior art, the embodiment of the utility model, beneficial effect lies in: the utility model discloses a buckle spare has restricted the interval of support plate and clamp plate for elasticity compresses tightly the piece and can elasticity compress tightly the medium, and the lug laminating on medium opposite side and the support plate, and the limiting plate compresses tightly the PCB board on the support plate, and the interval between highly just can the effective control medium and the PCB board through control lug need not to add the gasket in the middle of medium and PCB board, has avoided the process of assembling the gasket, easy operation, and effectively the cost is reduced moreover.

Drawings

Fig. 1 is a schematic view of an overall structure of a dielectric filter assembling tool fixture provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the carrier board assembly in fig. 1;

FIG. 3 is a schematic structural view of the restrictor plate assembly of FIG. 1;

FIG. 4 is a schematic structural view of the platen assembly of FIG. 1;

fig. 5 is a schematic sectional structure diagram of a fixture for assembling a dielectric filter according to an embodiment of the present invention;

fig. 6 is an enlarged schematic view of a portion a of fig. 5.

In the drawings, each reference numeral denotes:

100. a carrier plate; 111. a bump; 112. positioning pins; 114. a first platen pin hole; 120. a support plate pin; 130. a spring buckle; 200. a limiting plate; 211. a limiting cavity; 212. an avoidance groove; 213. a carrier plate pin hole; 215. a second platen pin hole; 300. pressing a plate; 320. a platen pin; 330. a fastener; 331. a pressing part; 350. an elastic pressing member; 351. a hold down pin; 352. a spring; 353. a clamp spring; 400. locking the screw; 500. a medium; 510. a joint; 600. and (7) a PCB board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and fig. 2, a dielectric filter assembling tool according to an embodiment of the present invention includes a dielectric 500 and a PCB 600, the dielectric filter assembling tool includes a carrier 100 sequentially stacked, limiting plate 200 and clamp plate 300, limiting plate 200 is fixed on support plate 100, PCB 600 is fixed on support plate 100, limiting plate 200 compresses tightly PCB 600, be provided with the spacing chamber 211 that is used for holding medium 500 on limiting plate 200, spacing chamber 211 is along the thickness direction both ends opening of limiting plate 200, clamp plate 300 is provided with elasticity pressing part 350 towards on the face of limiting plate 200, elasticity pressing part 350 elasticity compresses tightly medium 500, be provided with the bellied lug 111 that makes progress on support plate 100, medium 500 deviates from clamp plate 300 one side and makes the interval have between medium 500 and the PCB 600 with the lug 111 laminating, clamp plate 300 and support plate 100 border are buckled each other through buckle spare 330. The utility model discloses a control lug 111 highly just can the effective control medium 500 and the PCB board 600 between the interval, need not to add the gasket in the middle of medium 500 and PCB board 600, has avoided the process of assembly gasket, easy operation, effective cost reduction moreover.

Specifically, one end of the fastening element 330 is fixed on the pressing plate 300 by a screw, the other end of the fastening element 330 extends towards the direction of the carrier plate 100, the end of the other end of the fastening element 330 is provided with a pressing part 331, and the pressing part 331 presses the surface of the carrier plate 100 deviating from the pressing plate 300, so that the distance between the carrier plate 100 and the pressing plate 300 is limited. Specifically, elasticity compressing tightly 350 includes compressing pin 351, spring 352 and jump ring 353, compressing pin 351 can wear to locate the clamp plate 300 with reciprocating, compressing pin 351's head compresses tightly medium 500, spring 352 cover is established on compressing pin 351, spring 352 one end butt clamp plate 300, the head of compressing pin 351 is supported to the other end butt of spring 352, jump ring 353 sets up the tip of keeping away from medium 500 at compressing pin 351, jump ring 353 inlays along circumference and establishes on compressing pin 351, because the elastic recovery power of spring 352 acts on, compressing pin 351's head elasticity compresses tightly medium 500, jump ring 353 then plays limiting displacement, prevent compressing pin 351 excessive downward removal.

Preferably, the stopper plate 200 is provided with an escape groove 212 for escaping the projection 111 corresponding to the projection 111. In the present embodiment, the carrier plate 100 is provided with a plurality of bumps 111, and it can be understood that the limiting plate 200 is provided with a plurality of relief grooves 212. The limiting plate 200 and the carrier plate 100 are locked by a locking screw 400, in other possible embodiments, the limiting plate 200 and the carrier plate 100 may also be fixed by other methods, such as a screw and a nut, which is not limited in this embodiment.

Further, the PCB 600 of the present embodiment is a fabricated structure, that is, the PCB 600 includes a plurality of PCB sub-boards, and the PCB sub-boards are arranged and spliced on the carrier 100. By the way of making the PCB 600 into the makeup structure, a plurality of PCBs 600 can be fixed on the carrier plate 100 at one time, so that the efficiency can be effectively improved, and the space utilization rate can be improved. Correspondingly, the limiting plate 200 is also provided with a plurality of limiting cavities 211, the limiting cavities 211 are arranged in rows and columns, the pressing plate 300 is provided with a plurality of elastic pressing members 350, and the elastic pressing members 350 are arranged in rows and columns on the pressing plate 300. In addition, the shape of the limiting cavity 211 of the embodiment is adapted to the shape of the medium 500, so that the medium 500 can be stably accommodated, and the damage to the medium 500 can be reduced. The medium 500 is provided with a joint 510, and the joint 510 is welded to a welding position of the PCB 600.

Further, the carrier plate 100 is provided with carrier plate pins 120 for positioning the position-limiting plate 200, the position-limiting plate 200 is provided with carrier plate pin holes 213 corresponding to the carrier plate pins 120, and the carrier plate pins 120 are inserted into the carrier plate pin holes 213. The pressing plate 300 is provided with a pressing plate pin 320 for positioning the carrier plate 100 and the limiting plate 200, the pressing plate pin 320 is in threaded connection with the pressing plate 300, the carrier plate 100 is provided with a first pressing plate pin hole 114 corresponding to the pressing plate pin 320, the limiting plate 200 is provided with a second pressing plate pin hole 215 corresponding to the pressing plate pin 320, and the pressing plate pin 320 sequentially passes through the second pressing plate pin hole 215 and the first pressing plate pin hole 114. The carrier 100 is provided with a positioning pin 112 for positioning the PCB 600 and a spring fastener 130 for fixing the PCB 600, and the PCB 600 is provided with a positioning hole corresponding to the positioning pin 112.

In the actual assembly process, firstly, the PCB 600 is assembled to the corresponding position on the carrier 100 through the hole shaft matching between the positioning pin 112 and the positioning hole, the pressing pin at the top of the spring buckle 130 is lifted to rotate to the position for pressing the PCB 600 to preliminarily fix the PCB 600, and soldering tin is brushed at the welding position to complete the assembly of the carrier 100; then placing the medium 500 into the limit cavity 211 according to a specific direction, soldering tin on the joint 510, and then installing the medium 500 at a corresponding position to complete the assembly of the limit plate 200; the assembled carrier plate 100 is inversely buckled on the assembled limiting plate 200 through the matching of the hole shafts of the carrier plate pin 120 and the carrier plate pin hole 213, the locking is performed through the locking screw 400, the locked assembly is inversely buckled, the pressing plate 300 is assembled on the locked assembly through the matching of the pressing plate pin 320, the hole shafts of the first pressing plate pin hole 114 and the second pressing plate pin hole 215, the buckling piece 330 is buckled, and the assembly of the dielectric filter assembly tool clamp is completed.

To sum up, the utility model discloses a buckle spare 330 has restricted the interval of support plate 100 and clamp plate 300 for elasticity compresses tightly piece 350 and can elasticity compress tightly medium 500, and the laminating of lug 111 on medium 500 opposite side and the support plate 100, and limiting plate 200 compresses tightly PCB board 600 on support plate 100, highly just can effectively control the interval between medium 500 and the PCB board 600 through control lug 111, need not to add the gasket in the middle of medium 500 and PCB board 600, the process of assembling the gasket has been avoided, therefore, the steam generator is simple in operation, and effectively reduce the cost.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The dielectric filter assembling tool clamp is characterized by comprising a carrier plate (100), a limiting plate (200) and a pressing plate (300) which are sequentially stacked, wherein the limiting plate (200) is fixed on the carrier plate (100);

PCB board (600) is fixed on support plate (100), limiting plate (200) compresses tightly PCB board (600), be provided with on limiting plate (200) and be used for the holding spacing chamber (211) of medium (500), spacing chamber (211) are followed the thickness direction both ends opening of limiting plate (200), clamp plate (300) orientation be provided with elasticity on the face of limiting plate (200) and compress tightly piece (350), elasticity compresses tightly piece (350) elasticity and compresses tightly medium (500), be provided with protruding lug (111) that makes progress on support plate (100), medium (500) deviate from clamp plate (300) one side with lug (111) laminating makes medium (500) with the interval has between PCB board (600), clamp plate (300) with support plate (100) border is through buckle spare (330) straining each other.

2. The dielectric filter assembling tool clamp as recited in claim 1, wherein the elastic pressing member (350) comprises a pressing pin (351), a spring (352) and a clamp spring (353), the pressing pin (351) is vertically movably arranged in the pressing plate (300), the head of the pressing pin (351) presses the dielectric (500), the spring (352) is sleeved on the pressing pin (351), one end of the spring (352) abuts against the pressing plate (300), the other end of the spring (352) abuts against the head of the pressing pin (351), the clamp spring (353) is arranged at the end of the pressing pin (351) far away from the dielectric (500), and the clamp spring (353) is embedded on the pressing pin (351) in the circumferential direction.

3. The dielectric filter assembling tooling fixture as recited in claim 1, wherein an avoiding groove (212) for avoiding the bump (111) is provided on the limiting plate (200) corresponding to the bump (111).

4. The dielectric filter assembling tooling fixture of claim 1, wherein the PCB (600) is a composite structure.

5. The dielectric filter assembling tooling fixture of claim 1, wherein the limiting plate (200) and the carrier plate (100) are locked together by a locking screw (400).

6. The dielectric filter assembling tooling fixture of claim 1, wherein one end of the clamping piece (330) is fixed on the pressing plate (300) through a screw, the other end of the clamping piece (330) extends towards the direction of the carrier plate (100), the end part of the other end of the clamping piece (330) is provided with a pressing part (331), and the pressing part (331) presses the plate surface of the carrier plate (100) departing from the pressing plate (300).

7. The dielectric filter assembling tooling fixture of claim 1, wherein the carrier plate (100) is provided with carrier plate pins (120) for positioning the limiting plates (200), the limiting plates (200) are provided with carrier plate pin holes (213) corresponding to the carrier plate pins (120), and the carrier plate pins (120) are inserted into the carrier plate pin holes (213).

8. The dielectric filter assembling tooling fixture of claim 1, wherein the pressing plate (300) is provided with a pressing plate pin (320) for positioning the supporting plate (100) and the limiting plate (200), the pressing plate pin (320) is in threaded connection with the pressing plate (300), the supporting plate (100) is provided with a first pressing plate pin hole (114) corresponding to the pressing plate (300) pin, the limiting plate (200) is provided with a second pressing plate pin hole (215) corresponding to the pressing plate (300) pin, and the pressing plate pin (320) sequentially passes through the second pressing plate pin hole (215) and the first pressing plate pin hole (114).

9. The dielectric filter assembling tooling fixture of claim 1, wherein the carrier plate (100) is provided with a positioning pin (112) for positioning the PCB (600), and the PCB (600) is provided with a positioning hole corresponding to the positioning pin (112).

10. A dielectric filter assembly tooling fixture according to any of claims 1 to 9 wherein the shape of the spacing cavity (211) is adapted to the shape of the dielectric (500).