CN113497370A

CN113497370A - Well-fixed circuit board assembly

Info

Publication number: CN113497370A
Application number: CN202111036536.5A
Authority: CN
Inventors: 刘路; 李大鹏
Original assignee: Changzhou Xiehe Photoelectric Device Co ltd
Current assignee: Changzhou Xiehe Photoelectric Device Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2021-10-12
Anticipated expiration: 2041-09-06
Also published as: CN113497370B

Abstract

The invention relates to a circuit board assembly with good fixation, comprising: the plug comprises a plug body, an electric plate, a protective sleeve and a plurality of fixing pieces, wherein the electric plate is rectangular and is suitable for fixing the plug body; the protective sleeve is sleeved at the bottom end of the outer wall of the plug body, and the fixing pieces are annularly and equidistantly fixed at the bottom end of the outer wall of the protective sleeve; a plurality of positioning holes are formed in the electric plate, and one positioning hole corresponds to one fixing piece; the fixing piece can be inserted into the positioning hole to fix the plug body on the electric board; through set up the locating hole on the electroplax and set up the mounting on the protecting sheathing, will through the mounting the plug body is fixed on the electroplax, has not only avoided the thread tightening to overhaul to cause the injury to the electroplax when dismantling, can also improve fixed stability.

Description

Well-fixed circuit board assembly

Technical Field

The invention relates to the technical field of circuit boards, in particular to a circuit board assembly with good fixation.

Background

Application No.: CN201820032213.6, publication (bulletin) No.: CN207978221U, an installation fixing device of circuit board, this utility model relates to the technical field of circuit board, and disclose an installation fixing device of circuit board, including the organism, the inside fixedly connected with fixed plate of organism, fixed mounting has the pivot on the fixed plate, and the fixed surface of pivot is connected with the fixture block, and fixedly connected with mounting panel has seted up the draw-in groove on the mounting panel on the fixed plate, and the both sides of mounting panel are all seted up flutedly, the equal fixedly connected with dog in the upper and lower both sides of recess inside, the bottom fixedly connected with stand of internal chamber of organism, and one side of stand is provided with the rotary rod. This installation fixing device of circuit board through setting up fixing device, connecting rod and stripper plate, when installing the circuit board, and the circuit board drives the connecting rod to keeping away from the motion of circuit board direction, and the second spring is compressed, and then drives the movable rod downstream, makes the connecting rod drive the stripper plate and extrudees fixedly to the circuit board, reaches and carries out the purpose of fixing to the circuit board to the installation fixing device's of this circuit board practicality has been guaranteed.

In the prior art, the circuit board is fixed by arranging the mounting and fixing device on the circuit board, but when a plug is fixed on the circuit board, the fixing device which effectively strengthens the fixing effect is lacked, the plug body is fixed on the circuit board in a threaded manner in the conventional way, the plug is troublesome to disassemble in such a manner, and when the plug body is frequently disassembled, the threaded hole in the circuit board can be injured by frequent threaded rotation, even the circuit board is injured, so that the research and development of a circuit board assembly with good fixing performance is necessary.

Disclosure of Invention

The invention aims to provide a circuit board assembly with good fixation to solve the technical problems that a plug body fixed by threads in the prior art is troublesome to mount and dismount and is easy to damage a circuit board.

In order to solve the above technical problem, the present invention provides a circuit board assembly with good fixing, including:

the plug comprises a plug body, an electric plate, a protective sleeve and a plurality of fixing pieces, wherein the electric plate is rectangular and is suitable for fixing the plug body;

the protective sleeve is sleeved at the bottom end of the outer wall of the plug body, and the fixing pieces are annularly and equidistantly fixed at the bottom end of the outer wall of the protective sleeve;

a plurality of positioning holes are formed in the electric plate, and one positioning hole corresponds to one fixing piece; wherein

The fixing piece can be inserted into the positioning hole to fix the plug body on the electric board.

Preferably, the fixing member comprises; the fixing ring is hollow, and is made of elastic materials;

the adjusting ring is rotatably arranged on the inner wall of the fixing ring, and two side walls of the adjusting ring are respectively abutted against the inner wall of the fixing ring; wherein

After the fixing ring penetrates through the positioning hole, the outer wall of the fixing ring can be abutted against the inner wall of the positioning hole by rotating the adjusting ring.

Preferably, the fixing ring includes: the limiting plate is fixed at the tail end of the fixing column and abuts against the outer wall of the protective sleeve;

two telescopic grooves are formed in the outer wall of the front end of the fixed column in a mirror image mode, and the telescopic grooves extend along the axial direction of the fixed column;

the clamping blocks are arc-shaped, the two clamping blocks are respectively arranged on two sides of the telescopic groove, the two clamping blocks are respectively fixed at the front ends of the fixed columns, and the maximum outer diameter of each clamping block is larger than that of each fixed column; wherein

After the two clamping blocks are extruded inwards to penetrate through the positioning holes, the protective sleeve can be fixed on the outer wall of the electric plate by the clamping blocks.

Preferably, the outer diameter of the clamping block gradually increases from the front end to the direction of the limiting plate;

the outer diameter of the front end wall of the clamping block is smaller than the inner diameter of the positioning hole, and the fixing column is pressed downwards to enable the clamping block to penetrate through the positioning hole.

Preferably, the outer diameter of the rear end of the clamping block is larger than the inner diameter of the positioning hole, and the length of the fixing column is equal to the sum of the wall thickness of the electric board and the wall thickness of the protective sleeve, wherein

After the clamping block penetrates through the positioning hole, the rear end wall of the clamping block can be abutted to the wall of the electric plate.

Preferably, the adjusting ring comprises: the adjusting device comprises an adjusting plate, a fixing plate and an adjusting block, wherein the fixing plate is vertically fixed on one side of the adjusting plate, the adjusting block is fixed on the adjusting plate, and the adjusting block and the fixing plate are arranged on the same side of the adjusting plate;

the length of the fixed plate is equal to that of the fixed column, and the width of the fixed plate is smaller than that of the telescopic groove; wherein

Rotate the regulating plate extremely the fixed plate is located two when the flexible groove, the extrusion chucking piece can with the protective sheath with the electroplax breaks away from.

Preferably, an adjusting groove matched with the adjusting block is formed in the side wall of the limiting plate, a first station and a second station are arranged in the adjusting groove, and an included angle of 90 degrees is formed between the first station and the second station; wherein

When the adjusting block is rotated to a first station, two side walls of the fixing plate are abutted against the inner walls of the two clamping blocks to fix the protective sleeve;

when the adjusting block is rotated to the second station, the two side walls of the fixed plate are located between the two telescopic grooves, and the clamping block is extruded to enable the protective sleeve to be separated from the electric plate.

Preferably, the plurality of plug bodies are arranged on the electric board in two rows;

the plug body includes: the outer sleeve, the inner sleeve and the connecting piece are hollow, and the inner sleeve is arranged on the inner wall of the outer sleeve in a sliding manner;

the connecting piece is rotatably arranged on the inner wall of the inner sleeve and is suitable for fixing the thread end;

the two connecting pieces of the two plug bodies on one row rotate in opposite directions; wherein

After the inner sleeve is pressed once, the connecting piece can clamp the thread end;

after the inner sleeve is pressed again, the connecting piece can rotate to adjust the orientation of the wire heads, so that the two wire heads on one row are far away from each other.

Preferably, the inner wall of the outer sleeve is provided with a first rotating groove, a second rotating groove and two sliding grooves, the first rotating groove is arranged at one side close to the inner sleeve, and the second rotating groove is arranged at the lower end of the outer sleeve;

the two sliding grooves extend along the axial direction of the outer sleeve and are respectively communicated with the first rotating groove and the second rotating groove;

the connecting piece is provided with a linkage assembly which is arranged on the inner wall of the outer sleeve in a sliding way; wherein

When the linkage assembly is pressed once, the linkage assembly slides into the sliding groove from the first rotating groove;

when the linkage assembly is pressed for the second time, the linkage assembly slides into the second rotating groove from the sliding groove, and the inner sleeve can push the connecting piece to rotate by more than 180 degrees.

Preferably, the linkage assembly includes: the connecting block is fixed on the outer wall of the bottom end of the connecting piece and is in a disc shape;

the two positioning blocks are respectively arranged on the outer wall of the connecting block in a sliding manner, and one positioning block corresponds to one sliding groove; wherein

When the connecting block slides to the first rotating groove from the sliding groove, the inner sleeve can push the connecting piece to rotate upwards;

when the connecting block slides to the second rotating groove from the sliding groove, the inner sleeve can push the connecting piece to rotate downwards.

The invention has the beneficial effects that the invention provides a circuit board assembly with good fixation, which comprises: the plug comprises a plug body, an electric plate, a protective sleeve and a plurality of fixing pieces, wherein the electric plate is rectangular and is suitable for fixing the plug body; the protective sleeve is sleeved at the bottom end of the outer wall of the plug body, and the fixing pieces are annularly and equidistantly fixed at the bottom end of the outer wall of the protective sleeve; a plurality of positioning holes are formed in the electric plate, and one positioning hole corresponds to one fixing piece; when the plug is fixed, the fixing piece can be inserted into the positioning hole to fix the plug body on the electric board; through set up the locating hole on the electroplax and set up the mounting on the protecting sheathing, will through the mounting the plug body is fixed on the electroplax, has not only avoided the thread tightening to overhaul to cause the injury to the electroplax when dismantling, can also improve fixed stability.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of a preferred embodiment of a well-secured circuit board assembly of the present invention;

FIG. 2 is a perspective view of the fastener of the present invention;

FIG. 3 is a perspective view of the retaining ring of the present invention;

FIG. 4 is a perspective view of the adjustment ring of the present invention;

FIG. 5 is a schematic view of a well-secured circuit board assembly according to the present invention;

FIG. 6 is a schematic view of the internal mechanism of the outer sleeve of the present invention;

FIG. 7 is an assembly view of the inner sleeve and connector of the present invention;

FIG. 8 is a schematic view of a first state of the helical groove of the connection of the present invention;

FIG. 9 is a schematic view of a helical groove of a connection of the present invention in a second state;

FIG. 10 is a schematic view of the clamping block of the present invention in a closed position;

FIG. 11 is a schematic view of the clamping block of the present invention in an expanded state;

FIG. 12 is a schematic view of a well-secured circuit board assembly of the present invention;

fig. 13 is a plan view of wiring board wiring of the present invention.

In the figure:

1. a plug body;

2. an outer sleeve; 21. a first rotating groove; 22. a second rotating groove; 220. a power supply block; 23. a sliding groove; 24. mounting blocks; 25. a guide groove;

3. an inner sleeve; 31. a locking block;

4. a connecting member; 41. a linkage assembly; 411. connecting blocks; 4110. a linkage groove; 412. positioning blocks; 4120. a connecting rod; 413. a spring; 42. a helical groove; 43. a clamping block; 431. and clamping the groove.

5. An electric board; 51. positioning holes;

6. a protective sleeve;

7. a fixing member; 71. a fixing ring; 711. a limiting plate; 712. fixing a column; 713. a clamping block; 72. an adjusting ring; 721. an adjusting plate; 722. a fixing plate; 723. an adjusting block; 73. an adjustment groove; 731. a first station; 732. a second station; 74. a telescopic groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1 to 13, the present invention provides a well-fixed circuit board assembly, including: the plug comprises plug bodies 1, electric plates 5, protective sleeves 6 and a plurality of fixing pieces 7, wherein the electric plates 5 are rectangular, the electric plates 5 provide power for the plug bodies 1, the number of the plug bodies 1 is multiple, every two plug bodies 1 are arranged oppositely, and the plug bodies 1 are divided into two rows and fixed on the electric plates 5. The electric plate 5 is adapted to fix the plug body 1; the protective sleeve 6 is sleeved at the bottom end of the outer wall of the plug body 1, the protective sleeve 6 is made of insulating materials, the protective sleeve 6 is sleeved on the outer wall of the plug body 1, the protective sleeve 6 extends outwards to form a connecting plate, and the fixing piece 7 is fixed on the connecting plate; the fixing pieces 7 are annularly fixed at the bottom end of the outer wall of the protective sleeve 6 at equal intervals; a plurality of positioning holes 51 are formed in the electric plate 5, and one positioning hole 51 corresponds to one fixing piece 7; when fixing, the fixing member 7 can be inserted into the positioning hole 51 to fix the plug body 1 on the electric board 5. The above components are explained in detail one by one.

Plug body

The number of the plug bodies 1 is a plurality, the plug bodies 1 are divided into two rows and are fixed on the electric plate 5, and every two plug bodies 1 are arranged oppositely, so that the space of the electric plate 5 can be fully utilized; the plug body 1 is columnar, and the plug body 1 can electrically connect a wire end to the electric board 5.

Electric board

The electric board 5 is rectangular, the electric board 5 is a main power supply of the invention, and after the wire end is fixed on the plug body 1, the plug body 1 is fixed on the electric board 5, so that the wire end can be electrically connected with the electric board 5; a plurality of positioning holes 51 are formed in the electric plate 5, one positioning hole 51 corresponds to one fixing piece 7, when the fixing piece 7 is fixed, the fixing piece 7 penetrates through the positioning hole 51 and pushes the end wall of the protective sleeve 6 against the side wall of the electric plate 5, and the outer wall of the fixing piece 7 pushes against the inner wall of the positioning hole 51.

Protective sleeve

The protective sleeve 6 is sleeved at the bottom end of the outer wall of the plug body 1, and the fixing pieces 7 are annularly and equidistantly fixed at the bottom end of the outer wall of the protective sleeve 6; the longitudinal section of the protective sleeve 6 is T-shaped, one end of the protective sleeve 6 is sleeved at the bottom end of the outer wall of the plug body 1, the other end of the protective sleeve 6 extends to the periphery to form a connecting plate, the fixing pieces 7 are fixed on the connecting plate respectively, and when the fixing is carried out, the connecting plate is abutted to the side wall of the electric plate 5.

Fixing piece

The fixing member 7 includes; the fixing ring 71 and the adjusting ring 72 are hollow, and the fixing ring 71 is made of elastic materials; the fixing ring 71 is designed to be made of elastic material, and after the fixing ring 71 is extruded to penetrate through the positioning hole 51, the fixing ring 71 can be immediately restored to an original state, so that the protective sleeve 6 can be locked on the side wall of the electric plate 5. The adjusting ring 72 is rotatably arranged on the inner wall of the fixing ring 71, and two side walls of the adjusting ring 72 are respectively abutted against the inner wall of the fixing ring 71; when fixing, the extrusion fixed ring 71 front end for fixed ring 71's front end external diameter is less than behind the locating hole 51, will fixed ring 71 inserts behind the locating hole 51, works as fixed ring 71's front end passes behind the locating hole 51, fixed ring 71 can resume original operating condition, and further rotation adjustable ring 72 makes its both ends wall with fixed ring 71's inner wall offsets, can at this moment with fixed ring 71's outer wall with the locating hole 51 inner wall offsets, and fixed front end with the lateral wall of electroplax 5 offsets, has further improved fixed stability.

The fixing ring 71 includes: the fixing device comprises a limiting plate 711, a fixing column 712 and two clamping blocks 713, wherein the limiting plate 711 is fixed at the tail end of the fixing column 712, the outer diameter of the limiting plate 711 is larger than that of the fixing column, and by means of the design, the stress area of the fixing column 712 during fixing can be increased, and the operation intensity is reduced. The limiting plate 711 abuts against the outer wall of the protective sleeve 6; two telescopic grooves 74 are formed in the front end outer wall of the fixing column 712 in a mirror image manner, the telescopic grooves 74 extend along the axial direction of the fixing column 712, and the two telescopic grooves 74 are designed to provide a certain inward-contracting elastic space for the two clamping blocks 713 when the two clamping blocks 713 are squeezed; the clamping blocks 713 are arc-shaped, the two clamping blocks 713 are respectively arranged on two sides of the telescopic slot 74, the two clamping blocks 713 are respectively fixed at the front ends of the fixing columns 712, and the maximum outer diameter of the clamping blocks 713 is larger than that of the fixing columns 712; the maximum outer diameter of the clamping block 713 is larger than the outer diameter of the fixing post 712, that is, after the clamping block 713 passes through the positioning hole 51, the two clamping blocks 713 restore to the original working state, and the two clamping blocks 713 can abut against the electric board 5 from the other side of the electric board 5, so that the fixing stability of the electric board 5 is further improved. After the two clamping blocks 713 are pressed inwards to penetrate through the positioning holes 51, the clamping blocks 713 can fix the protective sleeve 6 on the outer wall of the electric plate 5. When the fixing is performed, the two clamping blocks 713 are pressed inward, so that the outer diameter of the ring formed by the two clamping blocks 713 is reduced, and the two clamping blocks 713 can pass through the positioning hole 51.

The outer diameter of the chucking block 713 is gradually increased from the front end toward the direction of the restriction plate 711; the outer diameter of the front end wall of the clamping block 713 is smaller than the inner diameter of the positioning hole 51, the outer diameter of the rear end wall of the clamping block 713 is larger than the inner diameter of the positioning hole 51, when the fixing post 712 is pressed downwards during installation, the front end wall of the clamping block 713 is firstly inserted into the positioning hole 51, when the fixing post 712 is further pressed, the rear end wall of the clamping block 713 can be contracted inwards so that the clamping block 713 penetrates through the positioning hole 51, the length of the fixing post 712 is equal to the sum of the wall thickness of the electric board 5 and the wall thickness of the connecting plate of the protective sleeve 6, namely, after the clamping block 713 penetrates through the positioning hole 51, the rear end wall of the clamping block 713 can abut against the side wall of the electric board 5. The outer diameter of the rear end of the clamping block 713 is larger than the inner diameter of the positioning hole 51, and the length of the fixing column 712 is equal to the sum of the wall thicknesses of the electric board 5 and the protective sleeve 6, wherein after the clamping block 713 passes through the positioning hole 51, the rear end wall of the clamping block 713 can abut against the wall of the electric board 5.

The adjusting ring 72 comprises: the fixing device comprises an adjusting plate 721, a fixing plate 722 and an adjusting block 723, wherein the fixing plate 722 is vertically fixed on one side of the adjusting plate 721, the fixing plate 722 is rectangular, two end walls of the fixing plate 722 in the width direction are arranged in an arc shape, and the width of the fixing plate 722 is equal to the inner diameter of the fixing column 712; the adjusting plate 721 is disc-shaped, and the outer diameter of the adjusting plate 721 is smaller than that of the limiting plate 711; the adjusting block 723 is fixed on the adjusting plate 721, and the adjusting block 723 and the fixing plate 722 are arranged on the same side of the adjusting plate 721; the length of the fixing plate 722 is equal to that of the fixing column 712, and the width of the fixing plate 722 is smaller than that of the telescopic slot 74; the width of the fixing plate 722 is smaller than the width of the telescopic slot 74 because when the fixing plate 722 is rotated to be positioned between the telescopic slots 74, pressing the clamping blocks 713 inward can cause the clamping blocks 713 to contract inward; when the adjusting plate 721 is rotated until the fixing plate 722 is located between the two slots 74, the clamping block 713 is pressed to separate the protective sheath 6 from the electric plate 5.

The side wall of the limiting plate 711 is provided with an adjusting groove 73 matched with the adjusting block 723, and the adjusting block 723 is slidably arranged in the adjusting groove 73; a first station 731 and a second station 732 are arranged in the adjusting groove 73, the first station 731 and the second station 732 are respectively arranged on two end walls of the adjusting groove 73, and an included angle of 90 degrees is formed between the first station 731 and the second station 732. When the fixing is performed, the adjusting plate 721 is rotated to the adjusting block 723 to the first station 731, two side walls of the fixing plate 722 abut against inner walls of the two clamping blocks 713, at this time, the fixing plate 722 is perpendicular to the adjusting groove 73, the fixing plate 722 abuts against an inner wall of the fixing column 712, and an outer wall of the fixing column 712 abuts against an inner wall of the positioning hole 51, so that the fixing column 712 can be fixed on the electric plate 5; when the adjusting plate 721 is disassembled, the adjusting block 723 is rotated to slide from the first station 731 to the second station 732, the fixing plate 722 is parallel to the adjusting grooves 73 and is located between the two adjusting grooves 73, the clamping block 713 is pressed inwards to enable the two clamping blocks 713 to contract inwards until the outer diameter of the rear end wall of the clamping block 713 is smaller than the inner diameter of the positioning hole 51, and at this time, the fixing column is pulled outwards to enable the protective sleeve 6 to be separated from the electric plate 5.

It should be pointed out that, when the circuit board that uses more is used fixedly at present stage, because the space on the circuit board is limited or the space of placing the circuit board is narrow and small and leads to the plug of circuit board to use inconveniently, simultaneously the end of a thread passes through the plug and inserts the back on the circuit board, can't adjust the position of end of a thread under the condition of not moving the plug to make the end of a thread become chaotic under the more condition of plug on the circuit board, neither make things convenient for operating personnel to plug corresponding plug, also do not have the efficient to utilize the circuit board space.

In order to solve the above problem, a plug body 1 for a circuit board capable of performing single-handed wiring is needed, in addition to fixing and electrically connecting a terminal and the circuit board, after the plug body 1 is fixed, the circuit board is rotated so that two adjacent terminals arranged in the same row can be arranged apart from each other, so as to facilitate the combing of the terminals. The specific plug body 1 adopts the following structure.

The plug body 1 includes: an outer sleeve 2, an inner sleeve 3 and a connecting piece 4. The outer sleeve 2, the inner sleeve 3 and the connecting piece 4 are hollow, the inner sleeve 3 is nested in the outer sleeve 2, the connecting piece 4 is nested in the inner sleeve 3, and the wire end can penetrate through the inner wall of the connecting piece 4 to realize clamping and fixing and be electrically connected with a circuit board. Wherein the outer wall of the outer sleeve 2 is not electrically connected with the circuit board, an operator can hold the outer wall of the outer sleeve 2 to move the plug body 1, the inner sleeve 3 is suitable for being installed in the outer sleeve 2, the inner sleeve 3 is slidably arranged on the inner wall of the outer sleeve 2, and the inner sleeve 3 can axially rotate and axially slide along the inner wall of the outer sleeve 2 to switch the state of the plug body 1 to realize different functions; the rotatable setting of connecting piece 4 is at 3 inner walls of inner tube, and connecting piece 4 is suitable for fixed end of a thread, and connecting piece 4 can be along with the linkage of inner tube 3, realizes pressing from both sides tight end of a thread and changes the end of a thread orientation. Two connecting pieces 4 of two plug bodies 1 on a row of wiring ports of a circuit board rotate in opposite directions, after the outer sleeve 2 is connected to the circuit board, the inner sleeve 3 is pressed once, and the connecting pieces 4 can clamp the wire ends; according to the inner sleeve 3, the connecting piece 4 can rotate to adjust the direction of the wire ends, so that the two wire ends on one row are far away from each other, the position of the wire ends is adjusted under the condition that the plugs are not moved, operators can conveniently comb the wire ends, the operators can conveniently plug and unplug corresponding plugs, and the space of a circuit board is efficiently utilized.

In order to facilitate the rotation and sliding of the connecting piece 4 on the inner wall of the outer sleeve 2, the inner wall of the outer sleeve 2 is provided with a first rotating groove 21, a second rotating groove 22 and a sliding groove 23. The first rotation groove 21 is provided at a side close to the inner sleeve 3, the second rotation groove 22 is provided at a lower end of the outer sleeve 2, the first rotation groove 21 and the second rotation groove 22 are provided in parallel, and the groove widths of the first rotation groove 21 and the second rotation groove 22 are equal. The connecting element 4 can rotate in the first rotating groove 21 and the second rotating groove 22 respectively, and different working states can be switched when the connecting element 4 enters the second rotating groove 22 from the first rotating groove 21 and when the connecting element 4 retreats from the second rotating groove 22 to the first rotating groove 21. The two sliding grooves 23 extend along the axial direction of the outer sleeve 2, the sliding grooves 23 are respectively communicated with the first rotating groove 21 and the second rotating groove 22, and two guide grooves 25 are respectively arranged at the positions where the two ends of the sliding grooves 23 are communicated with the first rotating groove 21 and the second rotating groove 22. The guide groove 25 can guide the link 4 from the first rotating groove 21 or the second rotating groove 22 into the sliding groove 23.

The connecting member 4 has a link assembly 41 at an end thereof adjacent to the first rotating groove 21, and the link assembly 41 is slidably disposed on the inner wall of the outer sleeve 2. Specifically, when the connector is not inserted into the plug body 1, the linkage component 41 is located at the first rotating groove 21, the connector is inserted into the plug from the end of the connecting piece 4 away from the first rotating groove 21, the inner sleeve 3 is pressed once, the linkage component 41 slides into the sliding groove 23 from the first rotating groove 21 along the guide groove 25, the connector can be tightly clamped by the linkage component 41 at the moment, the linkage component 41 can drive the linkage component 41 to pass through the sliding groove 23 after the inner sleeve 3 is pressed for the second time, the connector slides to the second rotating groove 22, the connector is still in a clamped state at the moment, the linkage component 41 can rotate along with the inner sleeve 3, two connectors placed in the same row can be driven to rotate away from each other, and the inner sleeve 3 can push the connecting piece 4 to rotate by more than 180 degrees. When the plug body 1 needs to be released from the circuit board, the inner sleeve 3 is rotated to slide the connecting piece 4 into the sliding groove 23 through the guide groove 25 arranged between the second rotating groove 22 and the sliding groove 23, and then the connecting piece 4 is released from the wire end, and the wire end can be taken out from the plug body 1.

The following describes the structure of the link assembly 41 in detail, and the link assembly 41 includes: a connecting block 411 and two positioning blocks 412. The connecting block 411 is fixed on the outer wall of the bottom end of the connecting member 4, the connecting block 411 is disc-shaped, and the thickness of the connecting block 411 is equal to the widths of the first rotating groove 21 and the second rotating groove 22. Two linkage grooves 4110 are opened in the outer wall mirror image of connecting block 411, two positioning blocks 412 are slidably arranged on the outer wall of connecting block 411 respectively, and positioning block 412 and linkage groove 4110 are adapted, one positioning block 412 corresponds to one linkage groove 4110, and linkage groove 4110 can guide positioning block 412 to slide radially along connecting block 411, so that positioning block 412 protrudes out of the outer wall of connecting block 411 or retracts into linkage groove 4110. In addition, the thickness of the positioning block 412 is equal to the width of the first rotating groove 21 and the second rotating groove 22, and one positioning block 412 corresponds to one sliding groove 23, so that when the positioning block 412 protrudes out of the outer wall of the connecting block 411, the positioning block 412 can axially rotate along the first rotating groove 21 and the second rotating groove 22. When the linkage assembly 41 slides from the sliding groove 23 to the first rotating groove 21, the inner sleeve 3 can push the connecting member 4 to rotate upwards; when the linkage assembly 41 slides from the sliding groove 23 to the second rotating groove 22, the inner sleeve 3 can push the connecting member 4 to rotate downward.

In order to make inner skleeve 3 when along outer 2 inner walls axial sliding of outer sleeve and rotation, can drive connecting piece 4 and rotate the inslot internal rotation along first rotation groove 21 and second 22, and along sliding tray 23 axial sliding, a helicla flute 42 has been seted up to the outer wall of connecting piece 4, the helicla flute 42 is cyclic annular to be seted up at the outer wall of connecting piece 4, and the helicla flute 42 extends from the upper end of connecting piece 4 to the lower extreme, the rotation direction of two helicla flutes 42 of connecting piece 4 in the two plug bodies 1 that set up relatively is opposite, inner skleeve 3 inner wall is equipped with the promotion piece with helicla flute 42 looks adaptation simultaneously. When the inner sleeve 3 is pressed downwards, the outer wall of the inner sleeve 3 slides relative to the outer sleeve 2, the pushing block rotates along the spiral groove 42 to approach the linkage assembly 41, and meanwhile, the connecting piece 4 can rotate in the circumferential direction by pushing the pushing block through the spiral groove 42. In addition, the pushing block can push the connecting member 4 by a rotation angle greater than 180 degrees and less than 200 degrees, which is set to ensure that the travel of the linkage assembly 41 rotating in the second rotating groove 22 does not exceed the position where the thread ends are separated because of too large, and to achieve this effect, the forming angle of the starting and ending positions of the spiral groove 42 on the horizontal projection of the connecting member 4 should be greater than 180 degrees and less than 200 degrees.

In order to clamp the thread end on the inner wall of the linkage assembly 41, the inner wall of the linkage assembly 41 is provided with a clamping block 43, the clamping block 43 is arranged in an arc shape, and the clamping block 43 can be attached to the inner wall of the connecting block 411. The clamping block 43 is linked with the positioning block 412, and the positioning block 412 can push the clamping block 43 to protrude out of the inner wall of the connecting block 411 or retract to be attached to the inner wall of the connecting block 411. The inner side wall of the clamping block 43 is provided with a plurality of clamping grooves 431, the aperture of the clamping grooves 431 is increased from one end to the other end, in the embodiment, the clamping grooves 431 in the clamping block 43 are arranged in a clockwise direction from small to large, and each clamping groove 431 with different sizes can correspondingly clamp the thread end matched with the size of the clamping groove 431, so that the clamping block 43 can be matched with the thread ends of four different specifications, and when the inner sleeve 3 is pressed once, the thread end can be inserted into and fixed in the corresponding clamping groove 431.

In order to realize the effect of linking the positioning block 412 and the clamping block 43, two linking grooves 4110 are formed in the side wall of the connecting block 411, one positioning block 412 is arranged in one linking groove 4110, a connecting rod 4120 is fixed to the inner side wall of one positioning block 412, the other end of the connecting rod 4120 is fixed to the inner side wall of one clamping block 43, and when the positioning block 412 slides along the radial direction of the connecting block 411, the positioning block 412 can push the clamping block 43 to protrude or retract to the inner wall of the connecting block 411 through the connecting rod 4120. Meanwhile, a return spring 413 is arranged in each linkage groove 4110, and two ends of the return spring 413 are respectively fixed to the bottom wall of the linkage groove 4110 and the inner side wall of the positioning block 412. When pressing from both sides tight piece 43 protrusion connecting block 411 inner wall, the end of a thread can be put into and press from both sides tight groove 431, and when locating piece 412 was loosened, reset spring 413 pushed away locating piece 412 along linkage groove 4110 outside protrusion connecting block 411 outer wall to make and press from both sides tight piece 43 and retract, the end of a thread was established between connecting block 411 inner wall and the tight groove 431 of clamp by the card this moment, thereby realized pressing from both sides tight effect with the end of a thread.

In order to realize the effect of pushing the positioning block 412, so that the positioning block 412 slides radially inwards along the connecting block 411 to push the clamping groove 431, an installation block 24 is arranged in each sliding groove 23, the section of the installation block 24 is in an isosceles triangle shape, and two waist edges of the installation block 24 extend towards two sides respectively. When the positioning block 412 slides in the sliding groove 23 to the highest point of the mounting block 24, the connecting rod 4120 can push the clamping block 43 to protrude out of the inner wall of the connecting piece 4.

In order to enable the wire end to be electrically connected with the circuit board after being clamped, the bottom wall of the second rotating groove 22 is provided with a power supply block 220, the power supply block 220 is electrically connected with the circuit board, and the positioning block 412, the connecting rod 4120 and the clamping block 43 are all made of conductive materials. When the positioning block 412 slides into the second rotating groove 22, the wire end can be electrically connected with the circuit board.

In order to ensure that the clamping groove 431 can maintain the state of clamping the thread end after the thread end is installed in the clamping groove 431, the outer wall of the inner sleeve 3 is provided with a locking block 31, and the inner wall of the outer sleeve 2 is provided with a locking groove matched with the locking block 31. The lock block 31 can be inserted into the lock groove when the inner sleeve 3 is pressed and rotated. After the locking block 31 is inserted into the locking groove, the inner sleeve 3 and the outer sleeve 2 are in a relatively fixed state, and the inner sleeve 3 cannot axially rotate and cannot axially slide.

The working process of the plug body is that, before the thread end is not installed, the positioning block 412 is placed in the first rotating groove 21, the pushing block is located at the uppermost initial position of the spiral groove 42, the inner sleeve 3 is rotated at the moment, and the pushing block can circumferentially push the side wall of the spiral groove 42, so that the inner sleeve 3 can push the connecting piece 4 to synchronously rotate. When the inner sleeve 3 is pressed, the pushing block can spirally slide down along the spiral groove 42 while the pushing link 4 is rotated. When the positioning block 412 slides to be attached to the guide groove 25, the guide groove 25 can guide the positioning block 412 to slide into the sliding groove 23, at the moment, the connecting piece 4 can slide along the sliding groove 23 and cannot rotate, and the pushing block and the spiral groove 42 are in a tightly holding state due to the fact that relative rotation cannot be achieved, so that the inner sleeve 3 can push the connecting piece 4 to slide synchronously. When the positioning block 412 slides in the sliding groove 23, the positioning block 412 can push the connecting rod 4120 to drive the clamping block 43 to gradually protrude out of the inner wall of the connecting block 411, when the positioning block 412 slides to the highest point of the mounting block 24, the clamping block 43 is completely opened, at this time, the wire end is adjusted to be in the proper clamping groove 431, the inner sleeve 3 is continuously pressed, the positioning block 412 can push the connecting rod 4120 to drive the clamping block 43 to gradually retract into the inner wall of the connecting block 411, and the wire end is clamped between the inner wall of the connecting block 411 and the clamping groove 431. When the positioning block 412 slides into the second rotating groove 22, the pushing block and the spiral groove 42 are released from the holding state, the inner sleeve 3 is pressed again, the pushing block can continuously slide downwards along the spiral groove 42 in a spiral mode, the connecting piece 4 is further pushed to rotate, and the clamping block 43 clamps the thread ends to rotate at the moment, so that the two thread ends on one row are far away from each other.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A well-fixed circuit board assembly, comprising:

the plug comprises a plug body (1), an electric plate (5), a protective sleeve (6) and a plurality of fixing pieces (7), wherein the electric plate (5) is rectangular, and the electric plate (5) is suitable for fixing the plug body (1);

the protective sleeve (6) is sleeved at the bottom end of the outer wall of the plug body (1), and the fixing pieces (7) are annularly and equidistantly fixed at the bottom end of the outer wall of the protective sleeve (6);

a plurality of positioning holes (51) are formed in the electric plate (5), and one positioning hole (51) corresponds to one fixing piece (7); wherein

The fixing piece (7) can be inserted into the positioning hole (51) to fix the plug body (1) on the electric plate (5).

2. A well-secured wiring board assembly according to claim 1,

the fixing piece (7) comprises; the fixing ring (71) and the adjusting ring (72) are hollow, and the fixing ring (71) is made of elastic materials;

the adjusting ring (72) is rotatably arranged on the inner wall of the fixing ring (71), and two side walls of the adjusting ring (72) are respectively abutted against the inner wall of the fixing ring (71); wherein

After the fixing ring (71) penetrates through the positioning hole (51), the outer wall of the fixing ring (71) can be abutted against the inner wall of the positioning hole (51) by rotating the adjusting ring (72).

3. A well-secured wiring board assembly according to claim 2,

the fixing ring (71) includes: the device comprises a limiting plate (711), a fixing column (712) and two clamping blocks (713), wherein the limiting plate (711) is fixed at the tail end of the fixing column (712), and the limiting plate (711) abuts against the outer wall of the protective sleeve (6);

two telescopic grooves (74) are formed in the outer wall of the front end of the fixing column (712) in a mirror image mode, and the telescopic grooves (74) extend along the axial direction of the fixing column (712);

the clamping blocks (713) are arc-shaped, the two clamping blocks (713) are respectively arranged on two sides of the telescopic groove (74), the two clamping blocks (713) are respectively fixed at the front ends of the fixing columns (712), and the maximum outer diameter of the clamping blocks (713) is larger than that of the fixing columns (712); wherein

After the two clamping blocks (713) are pressed inwards to penetrate through the positioning holes (51), the clamping blocks (713) can fix the protective sleeve (6) on the outer wall of the electric plate (5).

4. A well-secured wiring board assembly according to claim 3,

the outer diameter of the clamping block (713) is gradually increased from the front end to the direction of the limiting plate (711);

the outer diameter of the front end wall of the clamping block (713) is smaller than the inner diameter of the positioning hole (51), and the clamping block (713) can pass through the positioning hole (51) by pressing the fixing column (712) downwards.

5. A well-secured wiring board assembly according to claim 4,

the outer diameter of the rear end of the clamping block (713) is larger than the inner diameter of the positioning hole (51), and the length of the fixing column (712) is equal to the sum of the wall thickness of the electric board (5) and the wall thickness of the protective sleeve (6), wherein

After the clamping block (713) penetrates through the positioning hole (51), the rear end wall of the clamping block (713) can abut against the wall of the electric plate (5).

6. A well-secured wiring board assembly according to claim 5,

the adjusting ring (72) comprises: the adjustable clamp comprises an adjusting plate (721), a fixing plate (722) and an adjusting block (723), wherein the fixing plate (722) is vertically fixed on one side of the adjusting plate (721), the adjusting block (723) is fixed on the adjusting plate (721), and the adjusting block (723) and the fixing plate (722) are arranged on the same side of the adjusting plate (721);

the length of the fixing plate (722) is equal to that of the fixing column (712), and the width of the fixing plate (722) is smaller than that of the telescopic groove (74); wherein

When the adjusting plate (721) is rotated until the fixing plate (722) is positioned between the two telescopic grooves (74), the clamping block (713) is pressed to separate the protective sleeve (6) from the electric plate (5).

7. A well-secured wiring board assembly according to claim 6,

an adjusting groove (73) matched with the adjusting block (723) is formed in the side wall of the limiting plate (711), a first station (731) and a second station (732) are arranged in the adjusting groove (73), and an included angle of 90 degrees is formed between the first station (731) and the second station (732); wherein

When the adjusting block (723) is rotated to the first station (731), two side walls of the fixing plate (722) are abutted against the inner walls of the two clamping blocks (713) to fix the protective sleeve (6);

when the adjusting block (723) is rotated to the second station (732), two side walls of the fixing plate (722) are located between the two telescopic grooves (74), and the clamping block (713) is pressed to enable the protective sleeve (6) to be separated from the electric plate (5).

8. A good-secured wiring board assembly as in claim 7,

the plurality of plug bodies (1) are arranged on the electric plate (5) in two rows;

the plug body (1) comprises: the outer sleeve (2), the inner sleeve (3) and the connecting piece (4) are hollow, and the inner sleeve (3) is arranged on the inner wall of the outer sleeve (2) in a sliding manner;

the connecting piece (4) is rotatably arranged on the inner wall of the inner sleeve (3), and the connecting piece (4) is suitable for fixing a thread end;

the two connecting pieces (4) of the two plug bodies (1) on one row rotate in opposite directions; wherein

After the inner sleeve (3) is pressed once, the connecting piece (4) can clamp the thread end;

after the inner sleeve (3) is pressed again, the connecting piece (4) can rotate to adjust the orientation of the wire ends, so that the two wire ends on one row are far away from each other.

9. A good-secured wiring board assembly as in claim 8,

a first rotating groove (21), a second rotating groove (22) and two sliding grooves (23) are formed in the inner wall of the outer sleeve (2), the first rotating groove (21) is arranged on one side close to the inner sleeve (3), and the second rotating groove (22) is arranged at the lower end of the outer sleeve (2);

the two sliding grooves (23) extend along the axial direction of the outer sleeve (2), and the sliding grooves (23) are respectively communicated with the first rotating groove (21) and the second rotating groove (22);

a linkage assembly (41) is arranged on the connecting piece (4), and the linkage assembly (41) is arranged on the inner wall of the outer sleeve (2) in a sliding manner; wherein

When the press is pressed once, the linkage assembly (41) slides into the sliding groove (23) from the first rotating groove (21);

when the linkage assembly (41) is pressed for the second time, the linkage assembly (41) slides into the second rotating groove (22) from the sliding groove (23), and the inner sleeve (3) can push the connecting piece (4) to rotate by more than 180 degrees.

10. A good-secured wiring board assembly as in claim 9,

the linkage assembly (41) comprises: the connecting piece (411) is fixed on the outer wall of the bottom end of the connecting piece (4), and the connecting piece (411) is in a disc shape;

the two positioning blocks (412) are respectively arranged on the outer wall of the connecting block (411) in a sliding manner, and one positioning block (412) corresponds to one sliding groove (23); wherein

When the connecting block (411) slides from the sliding groove (23) to the first rotating groove (21), the inner sleeve (3) can push the connecting piece (4) to rotate upwards;

when the connecting block (411) slides from the sliding groove (23) to the second rotating groove (22), the inner sleeve (3) can push the connecting piece (4) to rotate downwards.