WO2024051117A1

WO2024051117A1 - Connection structure

Info

Publication number: WO2024051117A1
Application number: PCT/CN2023/079612
Authority: WO
Inventors: 刘从斌
Original assignee: 普罗斯通信技术（苏州）有限公司
Priority date: 2022-09-08
Filing date: 2023-03-03
Publication date: 2024-03-14
Also published as: CN218160880U

Abstract

Disclosed in the present disclosure is a connection structure, comprising: a main body, a first cantilever, and a second cantilever. The main body comprises a first connecting arm and a second connecting arm, and a first open slot is formed between the second connecting arm and the first connecting arm; the root portion of the first cantilever is connected to the first connecting arm, and the first cantilever extends from the root portion thereof towards a first side of the main body; the root portion of the second cantilever is connected to the second connecting arm, and the second cantilever extends from the root portion thereof towards the first side of the main body; a second open slot is formed between the root portion of the first cantilever and the root portion of the second cantilever, a first opening is formed between the end portion of the first cantilever and the end portion of the second cantilever, the second open slot is a part of the first open slot, the shape of the first opening is the same as that of the second opening slot, the area of the first opening is smaller than that of the second opening slot, and an accommodating portion is constructed between the first cantilever and the second cantilever. According to the disclosed connection structure, interference fit between a PIN of an antenna and the connection structure is realized, thereby implementing the conductive connection between the antenna and a PCB.

Description

connection structure

Technical field

The present disclosure relates to the field of communication technology, and in particular to connection structures.

Background technique

Due to the rapid development of mobile networks, more and more websites are being built in various places, the number of antennas installed is increasing, and there are more and more types of antennas. Ceramic antennas currently on the market are generally connected to the PCB board through solder, making the antenna difficult to disassemble. At the same time, after disassembly, there will be solder in the through holes of the PCB board. The solder in the through holes needs to be cleaned before reassembling other antennas. A lot of time is wasted during assembly and disassembly.

Contents of the invention

In order to solve the problems that the antenna and PCB board are complicated to assemble and difficult to disassemble, this disclosure proposes a connection structure, which includes:

A main body, which includes a first connecting arm and a second connecting arm, with a first opening slot between the second connecting arm and the first connecting arm;

a first cantilever arm having a root connected to the first connecting arm and extending from a root thereof toward the first side of the body; and

a second cantilever, the root of which is connected to the second connecting arm, and the second cantilever extends from its root toward the first side of the body, such that the root of the first cantilever is in contact with the second cantilever A second open groove is formed between the roots of the first cantilever and a first opening is formed between the end of the first cantilever and the end of the second cantilever, wherein the second open groove is the first open groove. In one part, the shape of the first opening is the same as the shape of the second opening slot, and the area of the first opening is smaller than the area of the second opening slot, and between the first cantilever and the second opening slot A receptacle is formed between the cantilever arms.

In one embodiment according to the present disclosure, the first connecting arm and the second connecting arm are coupled to the PCB board, and the PIN pin of the antenna passes through the second opening slot and is clamped in the receiving part , so that the antenna is electrically connected to the PCB board via the connection structure.

In an embodiment according to the present disclosure, the connection structure further includes:

A first connecting piece that connects the first end of the first connecting arm and the first end of the second connecting arm respectively; and

A second connecting piece connects the second end of the first connecting arm and the second end of the second connecting arm respectively.

In one embodiment according to the present disclosure, the connection structure further includes: a pair of latching members extending from the first connection member and the second connection member toward a third side opposite to the first side. Two sides are extended to form; wherein the first connecting arm and the second connecting arm are fixed to the PCB board through the pair of clamping parts and coupled to the PCB board.

In an embodiment according to the present disclosure, the area of the second opening groove is larger than the cross-sectional area of the PIN pin along a first direction, wherein the first direction is perpendicular to the first side.

In an embodiment according to the present disclosure, an area of the first opening is smaller than a cross-sectional area of the PIN pin along a first direction, wherein the first direction is perpendicular to the first side.

In one embodiment according to the present disclosure, the connection structure is made of metal material.

In one embodiment according to the present disclosure, the connection structure is made of metal elastic pieces.

The connection structure of the present disclosure can enable the antenna to be quickly installed and disassembled from the PCB board without the need for solder connection, thereby reducing the assembly and disassembly time and reducing the use of solder.

Description of the drawings

Features, advantages, and other aspects of embodiments of the present disclosure will become more apparent with reference to the following detailed description, taken in conjunction with the accompanying drawings, several embodiments of which are shown by way of illustration and not limitation, in which In the attached picture:

1a-1d are exemplary structural diagrams of connection structures according to the present disclosure;

Figures 2a-2c are connection schematic diagrams of a first exemplary application scenario of the connection structure according to the present disclosure; and

3a-3c are connection schematic diagrams of a second exemplary application scenario of the connection structure according to the present disclosure.

Detailed ways

The technical solution of the present disclosure will be further described in detail below through examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numbers indicate the same or similar components. The following description of the embodiments of the present disclosure with reference to the accompanying drawings is intended to explain the general inventive concept of the present disclosure and should not be understood as a limitation of the present disclosure.

The terms "includes," "includes," and similar terms used herein should be understood as open-ended terms, that is, "includes/includes but is not limited to," indicating that other content may also be included. The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment", and so on.

The embodiments of the present disclosure mainly focus on the following technical issues: how to realize flexible connection between the antenna and the PCB board and improve the reuse rate of the antenna.

In order to solve the above problem, the connection structure disclosed herein includes: a main body, a first cantilever and a second cantilever. The main body includes a first connecting arm and a second connecting arm, with a first opening slot between the second connecting arm and the first connecting arm; the root of the first cantilever arm is connected to the first connecting arm, and the first cantilever extends from its root toward the main body extends from the first side of the main body; the root of the second cantilever is connected to the second connecting arm, and the second cantilever extends from its root toward the first side of the body, so that the root of the first cantilever and the root of the second cantilever are A second opening groove is formed between the ends of the first cantilever and a first opening is formed between the ends of the second cantilever, wherein the second opening groove is a part of the first opening groove, so The shape of the first opening is the same as the shape of the second opening slot, and the area of the first opening is smaller than the area of the second opening slot, and between the first cantilever and the second cantilever Constructed with a receiving portion.

Example 1

The connection structure as shown in Figures 1a-1d at least includes a main body 10, a first cantilever 31 and a second cantilever 32, wherein the main body 10 includes a first connecting arm 11 and a second connecting arm 12.

As shown in Figures 1a and 1b, in this embodiment, the first end of the first connecting arm 11 and the first end of the second connecting arm 12 are connected together through the first connecting piece 40. The second end and the second end of the second connecting arm 12 are connected together through the second connecting piece 50 . At the same time, a first opening groove 20 is formed between the first connecting arm 11 and the second connecting arm 12 .

In addition, as shown in Figures 1b-1d, the root 311 of the first cantilever 31 is connected to the first connecting arm 11, And the first cantilever 31 extends from its root 311 toward the first side of the main body 10; the second cantilever 32 has a root 321 connected to the second connecting arm 12, and the second cantilever 32 extends from its root 321 toward the first side of the main body 10 ; And in this embodiment, the first cantilever 31 and the second cantilever 32 are symmetrically arranged on both sides of the first opening slot 20 .

In this embodiment, as shown in FIGS. 1a and 1c , the first side of the main body 10 is specifically the first side F1 that is perpendicular to the first opening groove 20 and passes through the longitudinal axis of the first opening groove 20 . The second side of the main body 10 is specifically the second side F2 perpendicular to the first opening groove 20 and passing through the longitudinal axis of the first opening groove 20 .

Specifically, a first opening 35 is formed between the end 312 of the first cantilever 31 and the end 322 of the second cantilever 32; a second opening groove is formed between the root 311 of the first cantilever 31 and the root 321 of the second cantilever 32. 34, and as shown in Figure 1a, the second open groove 34 is a part of the first open groove 20. A receptacle 33 is formed between the first arm 31 and the second arm 32, the shape of which is adapted to the shape of the PIN pin to be clamped.

For example, when the PIN pin is cylindrical, the second opening groove 34 is formed into a circular shape, and the first opening 35 is formed into a circular shape, so that the formed receiving portion 33 matches the PIN needle.

Further, as shown in Figures 1a and 1b, the connection structure also includes a pair of latching parts (for example, a first latching part 60 and a second latching part 70). In this example, the first latching part 60 is along the The second side F2 extends from the first connecting member 40 , and the second holding member 70 extends along the second direction F2 from the second connecting member 50 .

As shown in Figure 1c, in this embodiment, when the PIN needle is in the shape of a cylinder, the second opening groove 34 formed at the roots of the first cantilever 31 and the second cantilever 32 has a first diameter D1, and its end The first opening 35 formed therebetween has a second diameter D2. And as shown in Figure 1d, the first opening groove 20 has an opening size D3 along the direction perpendicular to the first side surface F1.

When the PIN pin is in the shape of a cylinder, the opening size D3 of the first opening groove 20 is smaller than the diameter of the PIN pin 310 in FIGS. 2 a - 3 c. The diameter D1 of the second opening groove 34 is larger than the diameter of the PIN pin 310 , and the diameter D2 of the first opening 35 is smaller than the diameter of the PIN pin 310 . Therefore, after the PIN pin of the antenna is inserted into the connection structure, the interference fit between the PIN pin of the antenna and the connection structure can be achieved.

In addition, the PIN pin can also be in other shapes, then the first cantilever 31 and the second cantilever 32 form The shape of the receiving portion matches the shape of the PIN pin, the shape of the second opening slot and the shape of the first opening are also the same as the shape of the PIN pin, the area of the second opening slot is larger than the area of the first opening, and the second opening The area of the groove is larger than the cross-sectional area of the PIN pin (the cross-section is the cross-section of the PIN pin along the direction perpendicular to the first side F1), and the area of the first opening is smaller than the cross-sectional area of the PIN pin, thereby enabling the connection between the antenna and the connection structure. Interference fit.

In this embodiment, the connecting structure is an integrated metal spring structure. Specifically, at least the first connecting arm 11 and the second connecting arm 12 are elastic. Preferably, a pair of cantilevers are also elastic. In addition, the connection structure can be made by tin-plating copper surface, or can be realized by tin-plating metal surface such as stainless steel.

The above arrangement of this embodiment enables the PIN pin of the antenna to interfere with the above connection structure, thereby achieving a compact fit between the antenna and the connection structure.

As shown in Figures 2a-2c, the assembly of the connection structure, PCB board, and antenna disclosed in this embodiment is disclosed. The specific operations are as follows:

First, as shown in Figure 2a, the first latching member 60 and the second latching member 70 of the connection structure 100 cooperate with the first positioning groove 210 and the second positioning groove 230 of the PCB board 200 respectively to fix the connection structure 100. on the first end surface of the PCB board 200 so that the through hole 220 of the PCB board 200 corresponds to the position of the second opening slot 34 and the receiving portion 33 formed by the first cantilever 31 and the second cantilever 32 .

In actual operation, the connection structure 100 is assembled on the PCB board 200 using SMT technology, and the first holder 60 and the second holder 70 are respectively aligned with the first positioning groove 210 and the second positioning groove 230, so that the connection structure 100 It is electrically connected to the PCB board 200 .

Next, as shown in FIG. 2b and FIG. 2c , the antenna (eg, ceramic antenna) 300 is disposed on the second end surface of the PCB board 200 , where the second end surface of the PCB board 200 is opposite to the first end surface. The PIN pin 310 of the antenna 300 passes from the second end surface of the PCB board 200 through the through hole 220 of the PCB board 200 and the second opening slot 34 of the connection structure 100 to clamp the receiving portion 33 formed by the first cantilever 31 and the second cantilever 32 , so that the PIN pin 310 interferes with the second opening groove 34 , the first cantilever 31 , the second cantilever 32 and the first opening 35 .

In actual operation, when the PIN pin 310 of the antenna 300 is clamped between the first cantilever 31 and the second When between the cantilevers 32, the antenna 300 transmits signals through the PIN pin 310, the connection structure and the PCB board 200.

The connection structure disclosed in this embodiment realizes interference coupling with the antenna PIN pin according to its own design to realize signal transmission between the antenna and the PCB board; in addition, the connection structure and the antenna are detachably connected, eliminating the need for With the help of solder, the installation and disassembly of the antenna and PCB board are facilitated, which greatly reduces the assembly and disassembly time. At the same time, the antenna, PCB board, etc. can be reused, reducing the use cost.

Example 2

The connection structure disclosed in this embodiment includes at least a main body (for example, similar to the main body 10 disclosed in Embodiment 1) and a pair of cantilevers (for example, similar to the first cantilever 31 and the second cantilever 32 disclosed in Embodiment 1). ), wherein the main body includes a pair of connecting arms (for example, similar to the first connecting arm 11 and the second connecting arm 12 disclosed in Embodiment 1).

Specifically, the first end of the first connecting arm 11 and the first end of the second connecting arm 12 are connected together through a first connecting member (for example, similar to the first connecting member 40 disclosed in Embodiment 1). The first connecting member The second end of the arm 11 and the second end of the second connecting arm 12 are connected together through a second connecting member (for example, similar to the second connecting member 50 disclosed in Embodiment 1). At the same time, a first opening groove (for example, similar to the first opening groove 20 disclosed in Embodiment 1) is formed between the first connecting arm 11 and the second connecting arm 12 .

In addition, the root portion 311 of the first cantilever arm 31 is connected to the first connecting arm 11, and the first cantilever arm 31 extends from its root portion 311 toward the first side of the main body 10; the root portion 321 of the second cantilever arm 32 is connected to the second connecting arm 12, And the second cantilever 32 extends from its root 321 toward the first side of the main body 10 ; and in this embodiment, the first cantilever 31 and the second cantilever 32 are symmetrically arranged on both sides of the first opening slot 20 .

In this embodiment, the first side of the main body 10 is specifically a first side perpendicular to the first opening groove 20 and passing through the longitudinal axis of the first opening groove 20 (similar to the first side F1 in FIG. 1c). The second side of the main body 10 is specifically a second side perpendicular to the first opening groove 20 and passing through the longitudinal axis of the first opening groove 20 (similar to the second side F2 in Figure 1c).

In this embodiment, a second opening slot is formed between the roots of the first cantilever 31 and the second cantilever 32 (similar to the second open slot 34 in Figure 1a), wherein the second open slot is part of the first open slot, and a first opening is formed between its ends (similar to the first opening 35 in Figure 1c) .

When the PIN needle is a cylinder, the shape of the second opening groove and the shape of the first opening are both circular, so that the diameter D1 of the second opening groove is larger than the diameter of the PIN needle 310, and the diameter D2 of the first opening is smaller than the diameter of the PIN needle 310. Needle 310 diameter.

In addition, the PIN pin can also be of other shapes, then the shape of the receiving portion formed by the first cantilever 31 and the second cantilever 32 matches the shape of the PIN pin, and the second cantilever between the roots of the first cantilever 31 and the second cantilever 32 The area of the opening groove is larger than the cross-sectional area of the PIN pin 310 (similar to the cross-sectional area of the PIN pin described in Embodiment 1), and the area of the first opening between the ends of the first cantilever 31 and the second cantilever 32 is at least smaller than the PIN The cross-sectional area of needle 310 can achieve interference fit between the antenna and the connection structure.

In this embodiment, the connecting structure is an integrated metal spring structure. Specifically, at least the first connecting arm and the second connecting arm are elastic. Preferably, the pair of cantilevers are also elastic. In addition, in order to facilitate soldering to the PCB board, the connection structure can be made by tin plating on the copper surface, or can also be realized by tin plating on the surface of metal such as stainless steel.

As shown in Figures 3a-3c, the assembly of the connection structure, PCB board, and antenna disclosed in this embodiment is disclosed. The specific operations are as follows:

First, as shown in FIG. 3a , the first connector and the second connector of the connection structure 100 cooperate with the first positioning pad 240 and the second positioning pad 250 of the PCB board 200 respectively to fix the connection structure 100 to the PCB. The first end surface of the board 200 is configured such that the through hole 220 of the PCB board 200 corresponds to the second opening slot and the receiving portion formed by the first cantilever and the second cantilever.

In actual operation, the connection structure 100 is assembled on the PCB board 200 using SMT technology, and the first connector and the second connector are welded to the first positioning pad 240 and the second positioning pad 250 respectively, so that the connection structure 100 and the PCB Board 200 is electrically connected.

Secondly, as shown in FIGS. 3b and 3c , the antenna (eg, ceramic antenna) 300 is coupled to the second end surface of the PCB board 200 , where the second end surface of the PCB board 200 is opposite to the first end surface. sky The PIN pin 310 of the wire 300 passes from the second end surface of the PCB board 200 through the through hole 220 of the PCB board 200 and the second opening slot of the connection structure 100 to be clamped between the receiving portion formed by the first cantilever 31 and the second cantilever 32 , so that the PIN pin 310 interferes with the second opening slot, the first cantilever 31 and the second cantilever 32 .

In actual operation, when the PIN pin 310 of the antenna 300 is clamped between the first cantilever 31 and the second cantilever 32 , the antenna 300 performs signal transmission via the PIN pin 310 , the connection structure and the PCB board 200 .

The connection structure disclosed in this embodiment realizes interference coupling with the antenna PIN pin according to its own design to realize signal transmission between the antenna and the PCB board; in addition, the connection structure and the antenna are detachably connected to facilitate The installation and disassembly of the antenna and PCB board reduces the assembly and disassembly time and the use of solder. In addition, the antenna, PCB board, etc. can be reused, reducing the use cost.

The above are only optional embodiments of the present disclosure and are not intended to limit the embodiments of the present disclosure. For those skilled in the art, various modifications and changes may be made to the embodiments of the present disclosure. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present disclosure shall be included in the protection scope of the embodiments of the present disclosure.

While embodiments of the present disclosure have been described with reference to a number of specific embodiments, it is to be understood that embodiments of the present disclosure are not limited to the specific embodiments disclosed. The disclosed embodiments are intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. The scope of the appended claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

A connection structure, characterized in that the connection structure includes:

A main body, which includes a first connecting arm and a second connecting arm, with a first opening slot between the second connecting arm and the first connecting arm;

a first cantilever arm having a root connected to the first connecting arm and extending from a root thereof toward the first side of the body; and

a second cantilever, the root of which is connected to the second connecting arm, and the second cantilever extends from its root toward the first side of the body, such that the root of the first cantilever is in contact with the second cantilever A second open groove is formed between the roots of the first cantilever, and a first opening is formed between the end of the first cantilever and the end of the second cantilever, wherein the second open groove is the first open groove. In one part, the shape of the first opening is the same as the shape of the second opening slot, and the area of the first opening is smaller than the area of the second opening slot, and between the first cantilever and the second opening slot A receptacle is formed between the cantilever arms.
The connection structure according to claim 1, characterized in that the first connection arm and the second connection arm are coupled to the PCB board, and the PIN pin of the antenna passes through the second opening slot and is clamped in the In the receiving part, the antenna is electrically connected to the PCB board through the connection structure.
The connection structure according to claim 1, characterized in that, the connection structure further includes:

A first connecting piece that connects the first end of the first connecting arm and the first end of the second connecting arm respectively; and

A second connecting piece connects the second end of the first connecting arm and the second end of the second connecting arm respectively.
The connection structure according to claim 3, characterized in that the connection structure further includes:

A pair of clamping members extending from the first connecting member and the second connecting member toward a second side opposite to the first side;

Wherein, the first connecting arm and the second connecting arm are fixed on the PCB board and coupled to the PCB board.
The connection structure according to claim 2, wherein the area of the second opening groove is larger than the cross-sectional area of the PIN pin along a first direction, wherein the first direction is perpendicular to the first side. .
The connection structure according to claim 2, wherein an area of the first opening is smaller than a cross-sectional area of the PIN pin along a first direction, wherein the first direction is perpendicular to the first side.
The connection structure according to claim 1, characterized in that the connection structure is made of metal material.
The connection structure according to claim 7, characterized in that the connection structure is made of metal elastic pieces.