CN215527983U

CN215527983U - Aerospace-level flexible board connector

Info

Publication number: CN215527983U
Application number: CN202122012796.0U
Authority: CN
Inventors: 刘章; 向伟明
Original assignee: Zunyi City Feiyu Electron Co ltd
Current assignee: Zunyi City Feiyu Electron Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-14
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses an aerospace-grade flexible board connector, which belongs to the technical field of electrical connection and comprises a shell, a base and a pin body, wherein screws are arranged on two sides of the shell, screw sleeves are arranged between the screws and the shell, the screw sleeves are in threaded connection with the shell, and the screws penetrate through the screw sleeves; the front end of the needle body is provided with a twist needle, and the rear end of the needle body and the shell are sealed by pouring sealant. The aerospace-grade flexible board connector is characterized in that screws are arranged on two sides of the shell, screw sleeves are arranged between the screws and the shell, and the screw sleeves are in threaded connection with the shell. Through screw cover and shell threaded connection for in inserting the jack on the printing board with the contact pin on the connector, then when welding, the connector can obtain effectual fixed with the printing board, makes the connector not produce the removal when welding operation. Thereby ensuring the welding quality and improving the welding efficiency.

Description

Aerospace-level flexible board connector

Technical Field

The utility model relates to electrical connection, in particular to an aerospace grade flexible board connector.

Background

Electrical connectors and their components are important mating interface elements in devices, distributed throughout the various systems and portions of the device, responsible for the transmission of signals and energy. The information exchange between the printed board and other modules is mainly carried out through an electric connector. The printed board and the socket end of the connector are welded together. Because the position of the connector welded on the printed board is uncertain, the connector socket is welded on the printed board usually by a manual method. The pins on the connector are typically inserted into the holes on the printed board and then flipped over for soldering. The connector cannot be effectively fixed during welding, so that the connector moves during welding operation. Thereby affecting the welding quality and reducing the welding efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the difficulties in the background technology and provides an aerospace grade flexible board connector.

In order to achieve the purpose, the technical scheme is as follows: an aerospace-grade flexible board connector comprises a shell, a base and a pin body, wherein screws are arranged on two sides of the shell, screw sleeves are arranged between the screws and the shell, the screw sleeves are in threaded connection with the shell, and the screws penetrate through the screw sleeves; the front end of the needle body is provided with a twist needle, and the rear end of the needle body and the shell are sealed by pouring sealant.

Furthermore, the tail end of the screw is locked by a locking nut, the head end of the screw is provided with an elastic pad, and the diameter of the elastic pad is 2 mm.

Furthermore, the shell is provided with a dustproof cover at one side of the twist needle.

Furthermore, the bottom of the shell is connected with a printed board, and the screw penetrates through the printed board to be connected with the shell; the printed board is a flexible board.

Further, the shell has the length of 27.4mm, the width of 7.6mm and the height of 10.5 mm.

Further, the length of the screw is 13.6 mm.

Further, the pouring sealant is fully mixed before encapsulation and is placed into a vacuum furnace for vacuum pumping treatment; after the encapsulation, the mixture is put into a vacuum furnace for vacuum pumping treatment.

Further, the pouring sealant adopts EC 104.

Further, after the pouring sealant is solidified, a protective agent is brushed at the butt joint end; and (5) performing degreasing treatment on the tail ends of the pins.

The beneficial effect who adopts above-mentioned scheme does: the aerospace-grade flexible board connector is characterized in that screws are arranged on two sides of the shell, screw sleeves are arranged between the screws and the shell, and the screw sleeves are in threaded connection with the shell. Through screw cover and shell threaded connection for in inserting the jack on the printing board with the contact pin on the connector, then when welding, the connector can obtain effectual fixed with the printing board, makes the connector not produce the removal when welding operation. Thereby ensuring the welding quality and improving the welding efficiency.

Drawings

Fig. 1 is a schematic view of an upright surface structure of an aerospace-grade flexible board connector according to the present invention.

Fig. 2 is a schematic top view of an aerospace-grade flexible board connector according to the present invention.

Fig. 3 is a schematic side elevation structure diagram of an aerospace-grade flexible board connector according to the present invention.

In the figure, 1-twist needle, 2-shell, 3-base, 4-needle body, 5-dust cover, 6-locking nut, 7-screw, 8-elastic pad, 9-screw sleeve and 10-printed board.

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, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. 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.

The first embodiment is as follows:

as shown in fig. 1 to 3, an aerospace grade flexible board connector comprises a shell 2, a base 3 and a pin body 4, wherein screws 7 are arranged on two sides of the shell 2, screw sleeves 9 are arranged between the screws 7 and the shell 2, the screw sleeves 9 are in threaded connection with the shell 2, and the screws 7 are arranged through the screw sleeves 9; the front end of the needle body 4 is provided with a twist needle 1, and the rear end of the needle body 4 and the shell 2 are sealed by pouring sealant.

Preferably, the housing 2 has a length of 27.4mm, a width of 7.6mm and a height of 10.5 mm. The length of the screw 7 is 13.6 mm.

The front end of the needle body is provided with a twist needle, the twist needle is high in structural strength, and the contact performance of the connector during plugging is good. The rear end of the needle body and the shell are sealed by the pouring sealant, and the needle body can be effectively prevented from being oxidized and polluted after being sealed by the pouring sealant, so that the service life of the connector is effectively prolonged.

The inventor detects that the connector manufactured according to the first embodiment can achieve the following effects: 1. appearance and mechanical inspection: the appearance is free from defects, and the assembly relation and the external dimension meet the assembly requirement. 2. And (3) testing the compatibility: can be normally jointed and separated with the performance clamp. 3. Medium pressure resistance: no breakdown for 800VAC, 5 s. 4. Insulation resistance: not less than 5000M omega @500 VDC.

As an aerospace-grade connector, the assembly process is required to be strictly performed according to the assembly process: before assembling the parts, the parts and all related tools are subjected to ultrasonic cleaning, cleaning liquid is alcohol, and the parts are assembled after being dried; the clamp is disassembled for cleaning and then assembled, and the assembled clamp meets the relevant size requirement.

Example two:

Preferably, the tail end of the screw 7 is locked by a locking nut 6, the head end of the screw 7 is provided with an elastic pad 8, and the diameter of the elastic pad 8 is 2 mm.

Preferably, the housing 2 is provided with a dust cover 5 at one side of the twist needle 1.

Preferably, the bottom of the housing 2 is connected with a printed board 10, and the screw 7 penetrates through the printed board 10 to be connected with the housing 2; the printed board 10 is a flexible board.

The specific gravity of the flexible board using the surface mount connector is increased mainly for the purpose of size reduction.

Example three:

Preferably, the tail end of the screw 7 is locked by a locking nut 6, the head end of the screw 7 is provided with an elastic pad 8, and the diameter of the elastic pad 8 is 2 mm. The shell 2 is provided with a dustproof cover 5 at one side of the twist needle 1. The bottom of the shell 2 is connected with a printed board 10, and the screw 7 penetrates through the printed board 10 to be connected with the shell 2; the printed board 10 is a flexible board.

Preferably, two sealing rings are arranged between the shell 2 and the base 3; two sealing rings are arranged between the base 3 and the needle body 4.

Preferably, the pouring sealant is fully mixed before encapsulation and is placed into a vacuum furnace for vacuum pumping treatment; after the encapsulation, the mixture is put into a vacuum furnace for vacuum pumping treatment.

Preferably, the pouring sealant adopts EC 104.

Preferably, after the pouring sealant is cured, a protective agent is brushed at the butt joint end; and (5) performing degreasing treatment on the tail ends of the pins.

The pouring sealant adopts EC104, and the pouring requirement is as follows: the EC104J glue is fully mixed before encapsulation, and is placed into a vacuum furnace for vacuum-pumping treatment, and then is placed into the vacuum furnace for vacuum-pumping treatment after encapsulation. Air bubbles and impurities are not allowed to exist in the pouring sealant, and no glue marks are left on the non-pouring surface. The glue leakage is strictly prohibited in the jacks and the base, and no excess is required.

The curing process requires: after the potting adhesive is cured, the jacks have no defects of deflection, deformation, inward rolling of the mouth and the like, and the jacks are arranged on the same line. After the potting adhesive is cured, a DJB-823 protective agent is coated on the butt joint end, and acetone is used for degreasing the tail ends of the pins.

After the connector is qualified by final inspection, performing thermal vacuum baking treatment, wherein the vacuum degree is as follows: 2X 10^-3Pa～4×10^-3Pa; temperature: 125 +/-5 ℃; time: 4 h; the connector end is wrapped by capacitor paper and packaged into a warehouse.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an aerospace level flexible board connector, includes shell (2), base (3) and needle body (4), shell (2) both sides are equipped with screw (7), characterized by: a screw sleeve (9) is arranged between the screw (7) and the shell (2), the screw sleeve (9) is in threaded connection with the shell (2), and the screw (7) penetrates through the screw sleeve (9); the needle body (4) front end is equipped with the twist needle (1), needle body (4) rear end adopts the casting glue to seal with shell (2).

2. The aerospace grade flexible board connector of claim 1, wherein: the tail end of the screw (7) is locked by a locking nut (6), an elastic pad (8) is arranged at the head end of the screw (7), and the diameter of the elastic pad (8) is 2 mm.

3. The aerospace grade flexible board connector of claim 1, wherein: the shell (2) is provided with a dustproof cover (5) at one side of the twist needle (1).

4. The aerospace grade flexible board connector of claim 1, wherein: the bottom of the shell (2) is connected with a printed board (10), and the screw (7) penetrates through the printed board (10) to be connected with the shell (2); the printed board (10) is a flexible board.

5. The aerospace grade flexible board connector of claim 1, wherein: the shell (2) has the length of 27.4mm, the width of 7.6mm and the height of 10.5 mm.

6. The aerospace grade flexible board connector of claim 1, wherein: the length of the screw (7) is 13.6 mm.

7. The aerospace grade flexible board connector of claim 1, wherein: two sealing rings are arranged between the shell (2) and the base (3); two sealing rings are arranged between the base (3) and the needle body (4).

8. The aerospace grade flexible board connector of claim 1, wherein: fully mixing the pouring sealant before potting, putting the mixture into a vacuum furnace, and vacuumizing; after the encapsulation, the mixture is put into a vacuum furnace for vacuum pumping treatment.

9. The aerospace grade flexible board connector of claim 1, wherein: the pouring sealant adopts EC 104.

10. The aerospace grade flexible board connector of claim 1, wherein: after the potting adhesive is cured, brushing a protective agent on the butt joint end; and (5) performing degreasing treatment on the tail ends of the pins.