Airtight sealing floating connector and connector module
By designing an air-sealed floating connector using shell, sealing assembly, wool buttons, inner conductors and elastic probes, the problem of low reliability of existing sealed connectors in high temperature and vibration environments is solved, and the reliable interconnection of air-sealed and elastic floating structures is achieved, reducing production costs and space occupancy, and improving the environmental adaptability and reliability of the product.
Patent Information
- Application Number
- CN202420272962.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-04
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-02-04
AI Technical Summary
Existing sealed connectors have low reliability in high temperature and vibration environments, high production costs, large space occupancy, and cumbersome assembly.
A gas-sealed floating connector is designed, which adopts a combined structure of shell, sealing assembly, wool button, inner conductor and elastic probe. The elastic floating structure is formed by wool button and elastic probe. The sealing assembly adopts sintered glass, and the inner conductor and shell material select the covala alloy material with the same average linear expansion coefficient as that of glass.
It realizes reliable interconnection of air-sealed and elastic floating structures in high temperature and vibration environments, reduces production costs and space occupancy, simplifies the assembly process, and improves the environmental adaptability and reliability of the product.
Smart Images
Figure CN222673349U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of floating connectors, and particularly relates to an airtight floating connector and a connector module. Background Art
[0002] The demand for connectors in the communications field has increased dramatically, and the requirements are getting higher and higher. Products must not only meet the basic reliable interconnection of electrical circuits, but also meet other requirements. Such as: high density, lightweight, miniaturization, elastic floating, airtight, easy to disassemble, reliable interconnection, high temperature resistance, tolerance to strong vibration, impact and other harsh use environments. Existing sealed connectors are often used in welding or gold wire bonding scenarios. For example, when using an airtight floating scenario, a single sealed sintered connector, a spring floating connector or a button floating connector is generally used. The two connectors are connected by interlocking the mounting plate; this connection uses a multi-module interconnection method that occupies a large space, has high production costs, cumbersome assembly, and low reliability. Utility Model Content
[0003] The utility model aims to provide a hermetic floating connector and a connector module to solve the above problems.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] An airtight floating connector comprises an outer shell, a sealing component, a wool button, an inner conductor and an elastic probe; a plurality of mounting holes are arranged in the outer shell, each mounting hole is provided with a wool button, an inner conductor and an elastic probe, the wool button is arranged between the inner conductor and the elastic probe to form an elastic floating structure; the sealing component is arranged between the inner conductor and the wall of the mounting hole.
[0006] Furthermore, the inner conductor, the wool button and the elastic probe are arranged in sequence from top to bottom in the mounting hole.
[0007] Furthermore, the sealing component is sintered glass.
[0008] Furthermore, the bottom of the elastic probe extends to the outside of the housing.
[0009] Furthermore, an insulator is arranged on the inner wall of the mounting hole.
[0010] Furthermore, there are several rows of mounting holes, each row is provided with several mounting holes; the mounting holes in adjacent rows are arranged in a staggered manner.
[0011] Furthermore, the inner conductor and the outer shell are both made of a material having the same average linear expansion coefficient as that of glass.
[0012] A connector module comprises the above-mentioned airtight floating connector, a first mounting plate module and a second mounting plate module; the first mounting plate module and the second mounting plate module are reliably interconnected through elastic contact of a floating probe with an inner conductor.
[0013] Furthermore, the first mounting board module includes a first mounting board and a first PCB board. The first mounting board is provided with a mounting groove. The airtight floating connector is provided in the mounting groove. The periphery is fixed by soldering packaging. The elastic probe is aligned with the contact area of the PCB board pad.
[0014] Furthermore, the second mounting board module includes a second mounting board and a second PCB board. A floating connector is arranged in the second mounting board. One end of the floating connector is connected to the inner conductor, and the other end is connected to the pad contact area of the second PCB board.
[0015] Compared with the prior art, the utility model has the following technical effects:
[0016] The product structure in this utility model patent realizes reliable interconnection of high temperature resistant, airtight, elastic floating structure to ensure stable transmission of electrical circuit signals.
[0017] Specifically, the elastic floating structure of the utility model is integrated into the connector structure through the hair button to realize the simultaneous transmission of multiple signals, realize dense connection, save space, and facilitate connection; the inner conductor is sintered with the outer shell through glass, and the inner conductor and the outer shell are both made of Kovar alloy material. Due to the inherent characteristics of the material, its average linear expansion coefficient is close to that of glass, which can achieve the product's airtight requirements; the hair button and the elastic probe are installed in the high-temperature resistant insulating material channel, and the insulator is fixed to the outer shell by a barbed structure, so as to achieve reliable interconnection between the elastic probe and the inner conductor. This structure improves the environmental adaptability of the elastic floating connector through the combination of high-temperature resistant insulating materials and airtightness, and realizes reliable interconnection of electrical circuits between printed boards. The product has a small structure and light weight, can be used in occasions with small spaces, and is easy and reliable to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a cross-sectional view of the utility model.
[0019] Figure 2 It is a front view of the utility model.
[0020] Figure 3 It is a top view of the utility model.
[0021] Figure 4 This is a schematic diagram of the module structure of the utility model.
[0022] in:
[0023] 1. Inner conductor; 2. Hair button; 3. Elastic probe; 4. Sintered glass; 5. Shell; 6. Insulator; 7. First mounting plate; 8. First PCB board; 9. Second mounting plate; 10. Second PCB board; 11. Floating connector. DETAILED DESCRIPTION
[0024] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] A hermetic floating connector comprises a shell 5, a sealing assembly, a wool button 2, an inner conductor 1 and an elastic probe 3; a plurality of mounting holes are arranged in the shell 5, each mounting hole is provided with a wool button 2, an inner conductor 1 and an elastic probe 3, the wool button 2 is arranged between the inner conductor 1 and the elastic probe 3 to form an elastic floating structure; the sealing assembly is arranged between the inner conductor 1 and the wall of the mounting hole.
[0028] The elastic floating structure of the utility model is integrated into the connector structure through the wool button to realize the simultaneous transmission of multiple signals, realize intensive connection, save space and facilitate connection; the inner conductor is sintered with the outer shell through glass, and the inner conductor and the outer shell are made of Kovar alloy material. Due to the inherent characteristics of the material, its average linear expansion coefficient is close to that of glass, which can achieve the product's airtight requirements, and its sealing can meet 1.01325×10 -3 pa.cm 3 / s; The hair button and the elastic probe are installed in the channel of the high temperature resistant insulating material, and the insulator is fixed with the shell by the barb structure, so as to realize the reliable interconnection between the elastic probe and the inner conductor. This structure improves the environmental adaptability of the elastic floating connector through the combination of high temperature resistant insulating material and airtight seal, and realizes the reliable interconnection of electrical circuits between printed boards. The product has a small structure and light weight, and can be used in occasions with small space. It is convenient and reliable to operate.
[0029] A connector module includes an airtight floating connector, a first mounting plate module, and a second mounting plate module; the first mounting plate module and the second mounting plate module are reliably interconnected through elastic contact between a floating probe and an inner conductor. When assembling the product, the connector of the utility model is placed in the mounting groove of the first mounting plate 7, the flange periphery is soldered and encapsulated and fixed, the elastic probe 3 is aligned with the contact area of the pad of the first PCB board 8, and reliable interconnection is achieved with the first mounting plate 7 and the first PCB board 8, and the floating probe realizes elastic floating and reliable connection between the inner conductor and the first PCB board 8 through a wool button; the other end realizes reliable interconnection between the second PCB board 10 and the second mounting plate 9 through a conventional double-head floating connector; the first PCB board and the first mounting plate constitute a module, and the second PCB board and the second mounting plate constitute a module, and the two modules are reliably interconnected through elastic contact between the connector floating probe and the inner conductor.
[0030] The first mounting board module includes a first mounting board 7 and a first PCB board 8. A mounting groove is provided on the first mounting board. The airtight floating connector is provided in the mounting groove and fixed at the periphery by soldering packaging. The elastic probe 3 is aligned with the pad contact area of the PCB board 1.
[0031] The second mounting board module includes a second mounting board 9 and a second PCB board 10 . A floating connector 11 is arranged in the second mounting board 9 . One end of the floating connector is connected to the inner conductor, and the other end is connected to the pad contact area of the second PCB board 10 .
[0032] The utility model is suitable for all products that require high temperature resistance and airtight floating connection, such as J30JM, J55AM, J59AM, JMC, etc.
[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A hermetic floating connector, characterized in that: The invention comprises an outer shell (5), a sealing component, a wool button (2), an inner conductor (1) and an elastic probe (3); a plurality of mounting holes are arranged in the outer shell (5), each mounting hole is provided with a wool button (2), an inner conductor (1) and an elastic probe (3), the wool button (2) is arranged between the inner conductor (1) and the elastic probe (3) to form an elastic floating structure; and the sealing component is arranged between the inner conductor (1) and the wall of the mounting hole.
2. The hermetic floating connector according to claim 1, characterized in that: The inner conductor (1), the wool button (2) and the elastic probe (3) are arranged in sequence from top to bottom in the mounting hole.
3. The hermetic floating connector according to claim 1, characterized in that: The sealing component is sintered glass (4).
4. The hermetic floating connector according to claim 1, characterized in that: The bottom of the elastic probe (3) extends to the outside of the housing (5).
5. The hermetic floating connector according to claim 1, characterized in that: An insulator (6) is arranged on the inner side wall of the mounting hole.
6. The hermetic floating connector according to claim 1, characterized in that: There are several rows of mounting holes, each row is provided with several mounting holes; the mounting holes in adjacent rows are arranged in a staggered manner.
7. The hermetic floating connector according to claim 1, characterized in that: The inner conductor and the outer shell are both made of materials having the same average linear expansion coefficient as that of glass.
8. A connector module, characterized in that: It comprises the airtight floating connector as claimed in any one of claims 1 to 7, a first mounting plate module and a second mounting plate module; the first mounting plate module and the second mounting plate module are reliably interconnected through elastic contact of a floating probe with an inner conductor.
9. A connector module according to claim 8, characterized in that: The first mounting plate module comprises a first mounting plate (7) and a first PCB board (8), wherein a mounting groove is arranged on the first mounting plate, an airtight floating connector is arranged in the mounting groove, and the periphery is fixed by soldering packaging, and the elastic probe (3) is aligned with the pad contact area of the first PCB board (8).
10. The connector module according to claim 8, characterized in that: The second mounting board module comprises a second mounting board (9) and a second PCB board (10). A floating connector (11) is arranged in the second mounting board (9). One end of the floating connector is connected to the inner conductor, and the other end is connected to the pad contact area of the second PCB board (10).