阅读说明：本技术 一种压接电路板接线端子及连接方法 (Crimping circuit board wiring terminal and connecting method ) 是由 刘剑 马磊 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种压接电路板接线端子及连接方法,具体包括：接线柱,该接线柱顶部转动连接有固定座,所述固定座侧面开设有滑孔,所述滑孔设置有三组并均匀分布在固定座侧面,所述固定座顶部开设有柱形槽,所述滑孔一端与柱形槽内部连通；顶紧装置,该顶紧装置设置在滑孔内部并与滑孔内壁滑动连接；存储装置,该存储装置设置在柱形槽内部,所述存储装置底部与柱形槽内壁螺纹连接；所述顶紧装置包括：外衬板,该外衬板设置为弧形,所述外衬板中心设置有卡槽,本发明涉及压接电路板技术领域。该一种压接电路板接线端子及连接方法,可避免过盈配合造成的电路板损伤,方便保护电路板,接线端子与电路板之间的连接也更加稳定。(The invention discloses a crimping circuit board wiring terminal and a connection method, which specifically comprise the following steps: the top of the binding post is rotatably connected with a fixed seat, the side surface of the fixed seat is provided with three groups of sliding holes, the three groups of sliding holes are uniformly distributed on the side surface of the fixed seat, the top of the fixed seat is provided with a cylindrical groove, and one end of each sliding hole is communicated with the inside of the cylindrical groove; the jacking device is arranged inside the sliding hole and is in sliding connection with the inner wall of the sliding hole; the storage device is arranged inside the cylindrical groove, and the bottom of the storage device is in threaded connection with the inner wall of the cylindrical groove; the jacking device comprises: the invention relates to the technical field of crimping circuit boards, and discloses an outer lining plate which is arc-shaped, wherein a clamping groove is formed in the center of the outer lining plate. The crimping circuit board wiring terminal and the connection method can avoid circuit board damage caused by interference fit, facilitate protection of the circuit board, and enable connection between the wiring terminal and the circuit board to be more stable.)

1. A crimping circuit board binding post specifically includes:

the top of the binding post (1) is rotatably connected with a fixed seat (2), the side surface of the fixed seat (2) is provided with three groups of sliding holes (3), the three groups of sliding holes (3) are uniformly distributed on the side surface of the fixed seat (2), the top of the fixed seat (2) is provided with a cylindrical groove (5), and one end of each sliding hole (3) is communicated with the inside of the cylindrical groove (5);

the jacking device (4) is arranged inside the sliding hole (3) and is in sliding connection with the inner wall of the sliding hole (3);

the storage device (6) is arranged inside the cylindrical groove (5), and the bottom of the storage device (6) is in threaded connection with the inner wall of the cylindrical groove (5);

this crimping circuit board binding post's characterized in that: the tightening device (4) comprises:

the outer lining plate (41), the outer lining plate (41) is arc-shaped, a clamping groove (42) is formed in the center of the outer lining plate (41), and an elastic connecting sheet (43) is fixedly connected to the part, located above the clamping groove (42), of the side face of the outer lining plate (41);

the ejector rod (44) is fixed on one side, far away from the elastic connecting piece (43), of the outer lining plate (41), one end, far away from the outer lining plate (41), of the ejector rod (44) extends into the sliding hole (3) and is in sliding connection with the inner wall of the sliding hole (3), and one end, located inside the sliding hole (3), of the ejector rod (44) is fixedly connected with a piston (45);

one side of the storage disc (46) is fixedly connected with the side surface of the piston (45) through a support rod;

the first sliding sheet (47), the first sliding sheet (47) is fixed at the bottom of the piston (45), the bottom of the first sliding sheet (47) is connected with a fixed connecting sheet (48) in a sliding mode, the bottom of the fixed connecting sheet (48) penetrates through the fixed base (2) and extends to the bottom of the fixed base (2), and the bottom of the fixed connecting sheet (48) is connected with a second sliding sheet (49) in a sliding mode;

the storage disc (46) is filled with sodium bicarbonate particles;

the storage device (6) comprises a storage column (61), and a storage groove (62) is formed in the side face of the bottom of the storage column (61);

the storage tanks (62) are provided with three groups and are respectively in one-to-one correspondence with the sliding holes (3), and aluminum sulfate solution is filled in the storage tanks (62);

the storage disk (46) can move to the inside of the storage groove (62) and puncture the diaphragm (63), and the aluminum sulfate solution in the inside of the storage groove (62) can flow into the inside of the sliding hole (3) and react with the sodium bicarbonate particles in the inside of the storage disk (46).

2. A crimped circuit board terminal according to claim 1, wherein: a spring piece is arranged between the outer lining plate (41) and the fixed seat (2), the bottom of the second sliding piece (49) is fixedly connected with the top of the binding post (1), and the second sliding piece (49) is only provided with one group.

3. A crimped circuit board terminal according to claim 1, wherein: the side face of the storage disc (46) is hollowed out, the inner wall of the sliding hole (3) is square, and the shape of the piston (45) is matched with that of the inner wall of the sliding hole (3).

4. A crimped circuit board terminal according to claim 1, wherein: the opening part fixedly connected with diaphragm (63) of holding tank (62), elastic connection piece (43) set up to the T font, elastic connection piece (43) slope sets up in outer welt (41) side.

5. A crimped circuit board terminal according to claim 4, wherein: the bottom of the storage column (61) is in threaded connection with the bottom of the inner wall of the column-shaped groove (5), and the storage disc (46) is circular.

6. A crimped-circuit-board connection terminal according to claim 1, which is characterized in that: the method comprises the following steps:

s1, placing the wiring terminal above a matching hole in a circuit board, enabling the wiring terminal to vertically penetrate through the matching hole and continuously press the wiring terminal downwards, enabling the wiring terminal to drive the jacking device to move towards the inside of the matching hole under the action of pressure, enabling an outer liner plate in the jacking device to be in contact with the inner wall of the matching hole at the moment, enabling the inner wall of the matching hole to extrude the outer liner plate to enable the outer liner plate to drive the ejector rod to move towards the inside of the sliding hole, and meanwhile compressing a spring piece between the outer liner plate and the fixed seat;

s2, when the clamping groove on the outer liner plate moves to the inside of the matching hole, the outer liner plate moves towards the inner wall direction of the matching hole under the thrust action of the spring piece, and the clamping groove is clamped on the inner wall of the matching hole, namely the circuit board;

s3, when the outer lining plate is squeezed to drive the ejector rod to move towards the direction of the inside of the sliding hole, the ejector rod drives the storage disc to gradually move towards one end of the sliding hole, when the outer lining plate moves to a certain position, the storage disc moves to the inside of the storage groove and punctures the diaphragm, and aluminum sulfate solution in the storage groove can flow into the inside of the sliding hole and react with sodium bicarbonate particles in the storage disc;

s4, pushing the piston to move to the outside of the slide hole by a large amount of gas generated by the reaction, and pressing the outer lining plate on the inner wall of the matching hole on the circuit board by the piston through the ejector rod;

s5, when the wiring terminal is rotated, the wiring terminal drives the second sliding sheet to slide, the second sliding sheet is contacted with the fixed connecting sheets at different positions when sliding to different positions at the top of the fixing base, the fixed connecting sheets at different positions are connected with the elastic connecting sheets corresponding to the outside through different first sliding sheets, so that the wiring terminal can be communicated with different elastic connecting sheets through different elastic connecting sheets and different control circuits on the circuit board.

Technical Field

The invention relates to the technical field of printed circuit boards, in particular to a crimping circuit board wiring terminal and a connecting method.

Background

The crimping circuit board is a provider for electrical connection of electronic components, and can be divided into a single-sided board, a double-sided board, a four-layer board, a six-layer board and other multi-layer circuit boards according to the number of layers of the circuit boards, the crimping circuit board is developed from a single layer to the double-sided board, the multi-layer board and a flexible board, and is continuously developed towards high precision, high density and high reliability, the volume is continuously reduced, the cost is reduced, the performance is improved, and the crimping circuit board still keeps strong vitality in the development process of future electronic products. At present, a connecting terminal used in a large-scale compression joint circuit board is generally required to be installed by interference fit, the circuit board is easily damaged by the installation mode, and the terminal is easily extruded out of a fitting hole due to the fact that the pressure of the fitting position of the terminal and the circuit board is large after the terminal is installed, so that connection is not stable enough.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a crimping circuit board wiring terminal and a connection method, and solves the problems that the wiring terminal used in the existing large crimping circuit board is usually required to be installed by interference fit, the circuit board is easily damaged by the installation mode, and the terminal is easily extruded out of a matching hole due to higher pressure at the matching part of the terminal and the circuit board after installation, so that the connection is not stable enough.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a crimping circuit board binding post specifically includes:

the top of the binding post is rotatably connected with a fixed seat, the side surface of the fixed seat is provided with three groups of sliding holes, the three groups of sliding holes are uniformly distributed on the side surface of the fixed seat, the top of the fixed seat is provided with a cylindrical groove, and one end of each sliding hole is communicated with the inside of the cylindrical groove;

the jacking device is arranged inside the sliding hole and is in sliding connection with the inner wall of the sliding hole;

the storage device is arranged inside the cylindrical groove, and the bottom of the storage device is in threaded connection with the inner wall of the cylindrical groove;

the jacking device comprises:

the outer lining plate is arc-shaped, a clamping groove is formed in the center of the outer lining plate, and an elastic connecting sheet is fixedly connected to the part, located above the clamping groove, of the side surface of the outer lining plate;

the ejector rod is fixed on one side, far away from the elastic connecting piece, of the outer lining plate, one end, far away from the outer lining plate, of the ejector rod extends into the sliding hole and is in sliding connection with the inner wall of the sliding hole, and one end, located inside the sliding hole, of the ejector rod is fixedly connected with a piston;

one side of the storage disc is fixedly connected with the side surface of the piston through a support rod;

the first sliding sheet is fixed at the bottom of the piston, the bottom of the first sliding sheet is connected with a fixed connecting sheet in a sliding mode, the bottom of the fixed connecting sheet penetrates through the fixed seat and extends to the bottom of the fixed seat, and the bottom of the fixed connecting sheet is connected with a second sliding sheet in a sliding mode;

the storage disc is filled with sodium bicarbonate particles;

the storage device comprises a storage column, and a storage groove is formed in the side surface of the bottom of the storage column;

the storage tanks are provided with three groups which are respectively in one-to-one correspondence with the sliding holes, and aluminum sulfate solution is filled in the storage tanks;

the storage disc can move to the inside of the storage groove and puncture the diaphragm, and the aluminum sulfate solution in the inside of the storage groove can flow into the inside of the sliding hole and react with the sodium bicarbonate particles in the inside of the storage disc.

The wiring terminal is placed above a matching hole on a circuit board, the wiring terminal vertically penetrates through the matching hole and continuously presses the wiring terminal downwards, the wiring terminal drives a jacking device to move towards the inside of the matching hole under the action of pressure, an outer liner plate in the jacking device is contacted with the inner wall of the matching hole at the moment, the inner wall of the matching hole extrudes the outer liner plate to enable the outer liner plate to drive an ejector rod to move towards the direction of the inside of a sliding hole, a spring leaf between the outer liner plate and a fixed seat is compressed, when a clamping groove in the outer liner plate moves to the inside of the matching hole, the outer liner plate moves towards the direction of the inner wall of the matching hole under the thrust action of the spring leaf, the clamping groove is clamped on the inner wall of the matching hole, namely the circuit board, the outer liner plate and the spring leaf are arranged, the circuit board damage caused by interference fit can be avoided, the circuit board is convenient to protect the circuit board, the clamping groove is arranged, the outer liner plate can be clamped on the circuit board through the clamping device, the wiring terminal is fixed on the circuit board through the outer liner plate, make to be connected between binding post and the circuit board more stable, be provided with first gleitbretter and second gleitbretter, when rotating the terminal, the terminal drives the second gleitbretter and slides, the second gleitbretter slides when fixing base top slides to different positions with the fixed connection piece contact of different positions, the fixed connection piece of different positions is connected with the outside elastic connection piece that corresponds through different first gleitbretter, make terminal accessible second gleitbretter and different elastic connection piece intercommunication, can communicate with the control circuit of difference on the circuit board through different elastic connection piece, the convenience is according to the user demand free adjustment.

Preferably, a spring piece is arranged between the outer lining plate and the fixed seat, the bottom of the second slip sheet is fixedly connected with the top of the binding post, and the second slip sheet is only provided with one group.

Preferably, the side face of the storage disc is hollowed out, the inner wall of the sliding hole is square, and the shape of the piston is matched with that of the inner wall of the sliding hole.

Preferably, the opening part of the storage tank is fixedly connected with a diaphragm, the elastic connecting sheet is arranged in a T shape, and the elastic connecting sheet is obliquely arranged on the side surface of the outer lining plate.

Preferably, the bottom of the storage column is in threaded connection with the bottom of the inner wall of the cylindrical groove, and the storage disc is circular.

When the outer lining plate is extruded to drive the ejector rod to move towards the inner part of the slide hole, the ejector rod drives the storage disc to gradually move towards one end of the slide hole, when the outer lining plate moves to a certain position, the storage disc moves to the inside of the storage groove and punctures the diaphragm, aluminum sulfate solution in the storage groove can flow into the inside of the sliding hole and react with sodium bicarbonate particles in the storage disc, a large amount of generated gas pushes the piston to move towards the outside of the sliding hole, the piston can tightly press the outer lining plate on the inner wall of the matching hole on the circuit board through the ejector rod, so that the connection between the wiring terminal and the circuit board is conveniently strengthened, and the storage column is in threaded connection with the inner wall of the cylindrical groove, when the wiring terminal needs to be taken down, the storage column can be taken out from the inside of the cylindrical groove, the air pressure in the sliding hole is released, can take off binding post through external force extrusion outer welt, conveniently dismantle binding post, the dismouting is all more convenient.

Preferably, the connecting method of the terminal of the press-fit circuit board includes the following steps:

s1, placing the wiring terminal above a matching hole in a circuit board, enabling the wiring terminal to vertically penetrate through the matching hole and continuously press the wiring terminal downwards, enabling the wiring terminal to drive the jacking device to move towards the inside of the matching hole under the action of pressure, enabling an outer liner plate in the jacking device to be in contact with the inner wall of the matching hole at the moment, enabling the inner wall of the matching hole to extrude the outer liner plate to enable the outer liner plate to drive the ejector rod to move towards the inside of the sliding hole, and meanwhile compressing a spring piece between the outer liner plate and the fixed seat;

s2, when the clamping groove on the outer liner plate moves to the inside of the matching hole, the outer liner plate moves towards the inner wall direction of the matching hole under the thrust action of the spring piece, and the clamping groove is clamped on the inner wall of the matching hole, namely the circuit board;

s3, when the outer lining plate is squeezed to drive the ejector rod to move towards the direction of the inside of the sliding hole, the ejector rod drives the storage disc to gradually move towards one end of the sliding hole, when the outer lining plate moves to a certain position, the storage disc moves to the inside of the storage groove and punctures the diaphragm, and aluminum sulfate solution in the storage groove can flow into the inside of the sliding hole and react with sodium bicarbonate particles in the storage disc;

s4, pushing the piston to move to the outside of the slide hole by a large amount of gas generated by the reaction, and pressing the outer lining plate on the inner wall of the matching hole on the circuit board by the piston through the ejector rod;

s5, when the wiring terminal is rotated, the wiring terminal drives the second sliding sheet to slide, the second sliding sheet is contacted with the fixed connecting sheets at different positions when sliding to different positions at the top of the fixing base, the fixed connecting sheets at different positions are connected with the elastic connecting sheets corresponding to the outside through different first sliding sheets, so that the wiring terminal can be communicated with different elastic connecting sheets through different elastic connecting sheets and different control circuits on the circuit board.

(III) advantageous effects

The invention provides a crimping circuit board wiring terminal and a connecting method. The method has the following beneficial effects:

(1) the connecting terminal for the press-connection circuit board and the connecting method are provided with a pressing device, the connecting terminal is placed above a matching hole on the circuit board, the connecting terminal vertically penetrates through the matching hole and continuously presses the connecting terminal downwards, the pressing device is driven by the connecting terminal under the action of pressure to move towards the inside of the matching hole, an outer lining plate inside the pressing device is contacted with the inner wall of the matching hole at the moment, the inner wall of the matching hole extrudes an outer lining plate to enable the outer lining plate to drive an ejector rod to move towards the inside of a sliding hole, a spring leaf between the outer lining plate and a fixed seat is compressed at the same time, when a clamping groove on the outer lining plate moves towards the inner wall of the matching hole under the action of thrust of the spring leaf, the clamping groove is clamped on the inner wall of the matching hole, namely the circuit board, the outer lining plate and the spring leaf are provided, the damage of the circuit board caused by interference fit can be avoided, and the circuit board is convenient to protect the circuit board, and be provided with the draw-in groove, accessible draw-in groove is with outer welt integrated circuit board, fixes binding post on the circuit board through outer welt promptly through the tight device in top for be connected more stably between binding post and the circuit board.

(2) The crimping circuit board connecting terminal and the connecting method are provided with the first sliding piece and the second sliding piece, when the terminal is rotated, the terminal drives the second sliding piece to slide, the second sliding piece is in contact with the fixed connecting pieces at different positions when sliding to different positions at the top of the fixing base, the fixed connecting pieces at different positions are connected with the elastic connecting pieces corresponding to the outside through the different first sliding pieces, so that the terminal can be communicated with different elastic connecting pieces through the second sliding piece, the terminal can be communicated with different control circuits on the circuit board through different elastic connecting pieces, and the terminal can be freely adjusted according to use requirements.

(3) The connecting terminal for the press-connected circuit board and the connecting method are provided with a storage device, when an outer lining board is extruded to drive a push rod to move towards the inner part of a sliding hole, the push rod drives a storage disc to gradually move towards one end of the sliding hole, when the outer lining board moves to a certain position, the storage disc moves to the inner part of a storage groove and punctures a diaphragm, an aluminum sulfate solution in the storage groove can flow into the inner part of the sliding hole and react with sodium bicarbonate particles in the storage disc, a large amount of generated gas pushes a piston to move towards the outer part of the sliding hole, the piston can tightly press an outer lining board on the inner wall of a matching hole on the circuit board through the push rod, the connection between the connecting terminal and the circuit board is conveniently strengthened, the storage column is in threaded connection with the inner wall of a cylindrical groove, when the connecting terminal needs to be taken down, the storage column can be taken out from the inner part of the cylindrical groove, the air pressure in the sliding hole is released, and the connecting terminal can be taken down by extruding the outer lining board through external force, the wiring terminal is convenient to disassemble and assemble.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a fixing base according to the present invention;

FIG. 4 is a schematic structural view of a tightening device according to the present invention;

FIG. 5 is a schematic structural diagram of a memory device according to the present invention.

In the figure: 1. terminal, 2, fixing base, 3, slide opening, 4, the tight device in top, 41, outer liner plate, 42, draw-in groove, 43, elastic connection piece, 44, ejector pin, 45, piston, 46, storage and holding dish, 47, first gleitbretter, 48, fixed connection piece, 49, second gleitbretter, 5, post groove, 6, storage device, 61, storage post, 62, holding tank, 63, diaphragm.

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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:

referring to fig. 1-5, the present invention provides a technical solution: a crimping circuit board binding post specifically includes:

the top of the binding post 1 is rotatably connected with a fixed seat 2, the side surface of the fixed seat 2 is provided with three groups of sliding holes 3, the three groups of sliding holes 3 are uniformly distributed on the side surface of the fixed seat 2, the top of the fixed seat 2 is provided with a cylindrical groove 5, and one end of each sliding hole 3 is communicated with the inside of the cylindrical groove 5;

the jacking device 4 is arranged inside the sliding hole 3 and is in sliding connection with the inner wall of the sliding hole 3;

the storage device 6 is arranged inside the cylindrical groove 5, and the bottom of the storage device 6 is in threaded connection with the inner wall of the cylindrical groove 5;

the tightening device 4 includes:

the outer lining plate 41 is arc-shaped, a clamping groove 42 is formed in the center of the outer lining plate 41, and an elastic connecting sheet 43 is fixedly connected to the part, located above the clamping groove 42, of the side face of the outer lining plate 41;

the ejector rod 44 is fixed on one side, far away from the elastic connecting piece 43, of the outer lining plate 41, one end, far away from the outer lining plate 41, of the ejector rod 44 extends into the sliding hole 3 and is in sliding connection with the inner wall of the sliding hole 3, and one end, located inside the sliding hole 3, of the ejector rod 44 is fixedly connected with a piston 45;

a storage disc 46, wherein one side of the storage disc 46 is fixedly connected with the side surface of the piston 45 through a support rod;

the first sliding sheet 47 is fixed at the bottom of the piston 45, the bottom of the first sliding sheet 47 is connected with a fixed connecting sheet 48 in a sliding manner, the bottom of the fixed connecting sheet 48 penetrates through the fixed seat 2 and extends to the bottom of the fixed seat 2, and the bottom of the fixed connecting sheet 48 is connected with a second sliding sheet 49 in a sliding manner;

the inside of the storage tray 46 is filled with sodium bicarbonate particles;

the storage device 6 comprises a storage column 61, and the side surface of the bottom of the storage column 61 is provided with a storage groove 62;

the holding tanks 62 are provided with three sets and respectively correspond to the slide holes 3 one by one, and the inside of the holding tank 62 is filled with an aluminum sulfate solution.

A spring piece is arranged between the outer lining plate 41 and the fixed seat 2, the bottom of the second sliding sheet 49 is fixedly connected with the top of the binding post 1, and the second sliding sheet 49 is only provided with one group.

When the wiring terminal is used, the wiring terminal is placed above a matching hole on a circuit board, the wiring terminal 1 vertically penetrates through the matching hole and continuously presses the wiring terminal, the wiring terminal drives the jacking device 4 to move towards the inside of the matching hole under the action of pressure, at the moment, an outer lining plate 41 inside the jacking device 4 is contacted with the inner wall of the matching hole, the inner wall of the matching hole extrudes the outer lining plate 41 to enable the outer lining plate 41 to drive the ejector rod 44 to move towards the direction inside the sliding hole 3, meanwhile, the spring piece between the outer lining plate 41 and the fixed seat 2 is compressed, when a clamping groove 42 on the outer lining plate 41 moves to the inside of the matching hole, the outer lining plate 41 moves towards the inner wall direction of the matching hole under the action of the thrust of the spring piece, and the clamping groove 42 is clamped on the inner wall of the matching hole, namely the circuit board, the outer lining plate 41 and the spring piece are arranged, so that the circuit board damage caused by interference fit can be avoided, the circuit board is convenient to protect the circuit board, and the clamping groove 42 is arranged, accessible draw-in groove 42 is with outer welt 41 card on the circuit board, fix binding post on the circuit board through tight device 4 in top promptly through outer welt 41, make the connection between binding post and the circuit board more stable, and be provided with first gleitbretter 47 and second gleitbretter 49, when rotating terminal 1, terminal 1 drives second gleitbretter 49 and slides, second gleitbretter 49 slides to the fixed connection piece 2 contact of different positions when different positions at 2 tops of fixing base, the fixed connection piece 2 of different positions is connected with the outside elastic connection piece 43 that corresponds through different first gleitbretter 47, make terminal 1 accessible second gleitbretter 49 communicate with different elastic connection piece 43, can communicate with the different control circuit on the circuit board through different elastic connection piece 43, the convenience is according to the needs free adjustment of use.

The side surface of the storage disc 46 is hollowed out, the inner wall of the sliding hole 3 is square, and the shape of the piston 45 is matched with the shape of the inner wall of the sliding hole 3.

The diaphragm 63 is fixedly connected with the opening of the storage groove 62, the elastic connecting sheet 43 is arranged in a T shape, and the elastic connecting sheet 43 is obliquely arranged on the side surface of the outer lining plate 41.

The bottom of the storage column 61 is in threaded connection with the bottom of the inner wall of the cylindrical groove 5, and the storage disc 46 is circular.

When the outer lining board 41 is extruded to drive the push rod 44 to move towards the inside of the sliding hole 3, the push rod 44 drives the storage disc 46 to gradually move towards one end of the sliding hole 3, when the outer lining board 41 moves to a certain position, the storage disc 46 moves to the inside of the storage groove 62 and punctures the membrane 63, aluminum sulfate solution in the storage groove 62 can flow into the inside of the sliding hole 3 and reacts with sodium bicarbonate particles in the storage disc 46, a large amount of generated gas pushes the piston 45 to move towards the outside of the sliding hole 3, the piston 45 can press the outer lining board 41 on the inner wall of the matching hole on the circuit board through the push rod 44, so that the connection between the wiring terminal and the circuit board is conveniently strengthened, the storage column 61 is in threaded connection with the inner wall of the column-shaped groove 5, when the wiring terminal needs to be taken down, the storage column 61 can be taken out from the inside of the column-shaped groove 5, the air pressure in the sliding hole 3 is released, and the outer lining board 41 can be taken down by external force, the wiring terminal is convenient to disassemble and assemble.

Example two:

according to the above-mentioned terminal for press-connected circuit board, a connection method for a terminal for press-connected circuit board is proposed, comprising the following steps:

s1, placing the wiring terminal above a matching hole in a circuit board, enabling the wiring terminal to vertically penetrate through the matching hole and continuously press the wiring terminal downwards, enabling the wiring terminal to drive the jacking device to move towards the inside of the matching hole under the action of pressure, enabling an outer liner plate in the jacking device to be in contact with the inner wall of the matching hole at the moment, enabling the inner wall of the matching hole to extrude the outer liner plate to enable the outer liner plate to drive the ejector rod to move towards the inside of the sliding hole, and meanwhile compressing a spring piece between the outer liner plate and the fixed seat;

s2, when the clamping groove on the outer liner plate moves to the inside of the matching hole, the outer liner plate moves towards the inner wall direction of the matching hole under the thrust action of the spring piece, and the clamping groove is clamped on the inner wall of the matching hole, namely the circuit board;

s3, when the outer lining plate is squeezed to drive the ejector rod to move towards the direction of the inside of the sliding hole, the ejector rod drives the storage disc to gradually move towards one end of the sliding hole, when the outer lining plate moves to a certain position, the storage disc moves to the inside of the storage groove and punctures the diaphragm, and aluminum sulfate solution in the storage groove can flow into the inside of the sliding hole and react with sodium bicarbonate particles in the storage disc;

s4, pushing the piston to move to the outside of the slide hole by a large amount of gas generated by the reaction, and pressing the outer lining plate on the inner wall of the matching hole on the circuit board by the piston through the ejector rod;

s5, when the wiring terminal is rotated, the wiring terminal drives the second sliding sheet to slide, the second sliding sheet is contacted with the fixed connecting sheets at different positions when sliding to different positions at the top of the fixing base, the fixed connecting sheets at different positions are connected with the elastic connecting sheets corresponding to the outside through different first sliding sheets, so that the wiring terminal can be communicated with different elastic connecting sheets through different elastic connecting sheets and different control circuits on the circuit board.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.