CN210897875U

CN210897875U - Rectangular filtering array plate connected through spring

Info

Publication number: CN210897875U
Application number: CN201922328711.2U
Authority: CN
Inventors: 孟繁旭; 王彦; 铁惟隽; 孟令志
Original assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Current assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-06-30
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a rectangle filtering array board that spring connects has solved among the prior art filtering array board can not two-sided wiring, sealing performance is not good, welding product quality is uneven problem. The utility model discloses a rectangle filtering array board includes casing, insulator subassembly, filtering board, inner spring, ground connection reed and tail jack. The utility model discloses the product uses the part few, practices thrift cost and production cycle, but two-sided wiring, saves space, makes the product possess certain resistant environmental performance again when guaranteeing the structural stability of product in addition.

Description

Rectangular filtering array plate connected through spring

Technical Field

The utility model belongs to the technical field of the filter array board, a rectangle filter array board that spring connects is provided very much.

Background

All link together through the welded mode between current filtering board and the contact, form electrical connection, because this process needs workman manually operation, receive the production facility performance, factors such as soldering tin material quality and operating personnel technical merit influence, can arouse and connect the welding, the condition such as rosin joint, current filtering array board generally carries out wiring treatment in the one end of contact in addition, lead to occupation space big, difficult operation, in addition the problem that sealing performance is not good still appears when using in some moist, salt fog, mycotic adverse circumstances, the normal use of product has been influenced. Therefore, a rectangular filter array plate which is good in product structure stability and free of welding is needed for solving the problems of the use requirement of customers on anti-electromagnetic interference and the poor quality of welding products fed back in the production process.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a but two-sided wiring, sealing performance are good and need not the rectangle filtering array board that welded spring connects.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rectangular filter array plate connected by springs comprises a shell, an insulator component, a filter plate, an inner spring, a grounding reed and a tail jack, wherein the insulator component and the filter plate are attached to each other and are arranged in a cavity inside the shell, the insulator component comprises an insulator, a plurality of cavities are arranged in the insulator, a plurality of contact bodies are respectively and axially arranged in the cavities of the insulator in an embedding and plastic pressing mode, a plurality of inner spring installation holes corresponding to the cavities are formed in the filter plate, the inner spring is arranged in each inner spring installation hole, the tail end of each contact body axially penetrates through the filter plate and is clamped by the inner spring, a silver preparation layer is arranged on the periphery of the filter plate, the silver preparation layer is electrically connected with the shell through the grounding reed, the tail end of each contact body is fixed with the tail jack through a clamping claw, the front end face of the tail jack is attached to the tail end face of the filter plate, and sealing glue is poured and sealed at a first sealing position at the front end of the, and (3) performing encapsulation treatment on a second encapsulation part outside the tail end of the filter plate by adopting W-200 encapsulation glue, wherein the front end face of the first encapsulation part is flush with the front end face of the shell, and the tail end face of the second encapsulation part is flush with the tail end face of the shell.

Furthermore, an annular rectangular boss is arranged on the inner periphery of the shell, a step surface matched with the rectangular boss is arranged on the outer periphery of the insulator, and the step surface is matched with the rectangular boss to achieve axial positioning of the insulator and the shell.

Further, the contact body is made of lead brass.

Further, the tail section of interior spring is for having open-ended hollow cylinder, 3 locating claws along the circumference distribution at hollow cylinder's end, hollow cylinder's front end is equipped with the elastic claw that 3 intervals set up along the circumferencial direction, the elastic claw is the inside state of contracting gradually from the tail end to the front end, elastic claw and hollow cylinder are together arranged in the interior spring mounting hole of filter plate, interior spring mounting hole internal periphery face is the inner electrode, the medial surface of 3 locating claws is laminated with the outside terminal surface of filter plate mutually, hollow cylinder's periphery wall closely laminates with the inner electrode of interior spring mounting hole, the contact runs through and arranges in hollow cylinder and 3 elastic claw, 3 elastic claw clamp the contact and press from both sides the contact and fix, realize through the interior spring that electric connection between filter plate and the contact.

Further, the inner spring is made of beryllium bronze.

Furthermore, a conductive rubber pad is arranged on the front end face of the mounting plate on the periphery of the shell.

Compared with the prior art, the utility model discloses following beneficial effect has: the step surface of the insulator of the utility model is matched with the annular rectangular boss in the shell, and the CGSZ33-A1 pouring sealant is used for pouring and sealing at the first sealing position, thus ensuring that the insulator component can be axially positioned; the inner spring is assembled at the position of the electrode hole cavity in the filter plate, and the filter plate is electrically connected with the contact body through the inner spring; the silver layer (outer electrode) at the periphery of the filter plate is electrically connected with the shell through a grounding reed to form a finished filter loop; contact is connected with the tail jack in the terminal outside of filtering board, makes the product can two-sided wiring, saves space to use the W-200 casting glue that solidification sealing performance is good to carry out the embedment in the second embedment department of junction, the utility model discloses use the part few, practice thrift cost and production cycle, make the product possess certain resistant environmental performance again when guaranteeing the structural stability of product in addition.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an external structural view of the present invention;

FIG. 3 is a schematic structural view of the housing;

FIG. 4 is a schematic structural view of an insulator assembly;

fig. 5 is a schematic view of the installation structure of the filter plate and the inner spring;

fig. 6 is a schematic structural view of a filter plate;

FIG. 7 is a schematic view of the construction of the innerspring;

FIG. 8 is a left side view of FIG. 7;

in the figure: 1-a shell; 1-1-rectangular boss; 2-an insulator assembly; 2-1-insulator; 2-1-1-step surface; 2-2-contact; 3-a filter plate; 3-1-inner spring mounting hole; 3-2-preparing a silver layer; 3-3-inner electrode; 4-an inner spring; 4-1-hollow cylinder; 4-2-positioning jaws; 4-3-elastic claws; 5-a grounding reed; 6-tail jack; 7-conductive rubber mat; 8-first potting; 9-second potting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a rectangular filter array plate with spring connection comprises a shell 1, an insulator component 2, a filter plate 3, an inner spring 4, a grounding reed 5 and a tail jack 6, wherein the insulator component 2 and the filter plate 3 are attached to each other and mounted in a cavity in the shell 1, the insulator component 2 comprises an insulator 2-1, a plurality of cavities are arranged in the insulator 2-1, a plurality of contact bodies 2-2 are respectively arranged in two rows in parallel in the axial direction and mounted in the cavities of the insulator 2-1 in an embedding and plastic pressing mode, a plurality of inner spring mounting holes 3-1 corresponding to the cavities are arranged in the filter plate 3, the inner spring 4 is arranged in the inner spring mounting hole 3-1, the tail end of each contact body 2-2 axially penetrates through the filter plate 3 and is clamped by the inner spring 4, a silver preparing layer 3-2 is arranged on the periphery of the filter plate 3, the silver preparing layer 3-2 is electrically connected with the shell 1 through the grounding reed 5, the tail end of the contact body 2-2 is fixed with the tail jack 6 through a clamping claw, the front end face of the tail jack 6 is attached to the tail end face of the filter plate 3, the first potting position 8 at the front end of the insulator 2-1 is subjected to potting treatment by CGSZ33-A1 potting adhesive, fixing between the insulator assembly 2 and the shell 1 is achieved, the butt joint end has good sealing performance, the second potting position 9 on the outer side of the tail end of the filter plate 3 is subjected to potting treatment by W-200 potting adhesive, fixing among the filter plate 3, the contact body 2-2, the tail jack 6 and the shell 1 is achieved, sealing performance of products is improved, the front end face of the first potting position 8 is flush with the front end face of the shell 1, and the tail end face of the second potting position 9 is flush with the tail end face of the shell 1.

Referring to fig. 3-4, an annular rectangular boss 1-1 is arranged on the inner periphery of the housing 1, a step surface 2-1-1 matched with the rectangular boss 1-1 is arranged on the outer periphery of the insulator 2-1, and the step surface 2-1-1 is matched with the rectangular boss 1-1 to realize the axial positioning of the insulator 2-1 and the housing 1.

The contact body 2-2 is made of lead brass.

Referring to fig. 5-8, the tail section of the inner spring 4 is a hollow cylinder 4-1 with an opening, 3 positioning claws 4-2 are circumferentially distributed at the tail end of the hollow cylinder 4-1, the front end of the hollow cylinder 4-1 is provided with 3 elastic claws 4-3 axially arranged at intervals along the circumferential direction, the elastic claws 4-3 are gradually contracted from the tail end to the front end inwards, the elastic claws 4-3 and the hollow cylinder 4-1 are together arranged in an inner spring mounting hole 3-1 of the filter plate 3, the inner circumferential surface of the inner spring mounting hole 3-1 is an inner electrode 3-3, the inner side end surfaces of the 3 positioning claws 4-2 are attached to the outer end surface of the filter plate 3, the outer circumferential wall of the hollow cylinder 4-1 is closely attached to the inner electrode 3-3 of the inner spring mounting hole 3-1 through interference extrusion, the contact body 2-2 is arranged in the hollow cylinder 4-1 and the 3 elastic claws 4-3 in a penetrating mode, the 3 elastic claws 4-3 clamp and fix the contact body 2-2, the electric connection between the filter plate 3 and the contact body 2-2 is achieved through the inner spring 4, and electromagnetic interference signals generated by coupling effect and radiation effect in an electronic circuit are effectively filtered.

The inner spring 4 is made of beryllium bronze, has good conductivity and elasticity, and can ensure good contact among the inner spring, the contact body and the inner electrode of the filter plate and signal conduction.

And a conductive rubber pad 7 is arranged on the front end surface of the mounting plate on the periphery of the shell 1.

The utility model discloses the product can be in humidity, salt fog, mycotic adverse circumstances normal use, guarantees to use sealing performance and realizes filtering capability.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A rectangular filter array plate connected by a spring is characterized by comprising a shell, an insulator component, a filter plate, an inner spring, a grounding reed and a tail jack, wherein the insulator component and the filter plate are attached to each other and arranged in a cavity inside the shell, the insulator component comprises an insulator, a plurality of cavities are arranged in the insulator, a plurality of contact bodies are respectively and axially arranged in the cavities of the insulator in an embedding and plastic pressing mode, a plurality of inner spring installation holes corresponding to the cavities are formed in the filter plate, the inner spring is arranged in each inner spring installation hole, the tail end of each contact body axially penetrates through the filter plate and is clamped by the inner spring, a silver preparing layer is arranged on the periphery of the filter plate, the silver preparing layer is electrically connected with the shell through the grounding reed, the tail end of each contact body is fixed with the tail jack through a clamping claw, the front end face of the tail jack is attached to the tail end face, the first potting position at the front end of the insulator is subjected to potting treatment by adopting CGSZ33-A1 potting adhesive, the second potting position outside the tail end of the filter plate is subjected to potting treatment by adopting W-200 potting adhesive, the front end face of the first potting position is flush with the front end face of the shell, and the tail end face of the second potting position is flush with the tail end face of the shell.

2. A sprung rectangular filter array plate according to claim 1, wherein an annular rectangular boss is provided on the inner periphery of the housing, and the insulator has a stepped surface on its outer periphery which mates with the rectangular boss, the stepped surface mating with the rectangular boss to effect axial positioning of the insulator and the housing.

3. A sprung rectangular filter array plate as claimed in claim 1, in which the contacts are made of lead brass.

4. The sprung rectangular filter array plate according to claim 1, wherein the end section of the inner spring is a hollow cylinder with an opening, 3 positioning claws are circumferentially distributed at the end of the hollow cylinder, 3 elastic claws are circumferentially arranged at intervals at the front end of the hollow cylinder, the elastic claws are gradually contracted inward from the end to the front end, the elastic claws and the hollow cylinder are placed in an inner spring mounting hole of the filter plate together, an inner electrode is arranged on the inner peripheral surface of the inner spring mounting hole, the inner end surfaces of the 3 positioning claws are attached to the outer end surface of the filter plate, the outer peripheral wall of the hollow cylinder is closely attached to the inner electrode of the inner spring mounting hole, the contact body is placed in the hollow cylinder and the 3 elastic claws in a penetrating manner, the 3 elastic claws clamp and fix the contact body, and the electrical connection between the filter plate and the contact body is realized through the inner spring.

5. A sprung rectangular filter array plate as claimed in claim 1, in which the inner spring is of beryllium copper.

6. A sprung rectangular filter array plate according to claim 1, wherein a conductive rubber pad is mounted on the mounting plate at the front end face of the outer periphery of the housing.