CN214177821U

CN214177821U - Composite circuit board

Info

Publication number: CN214177821U
Application number: CN202023283224.8U
Authority: CN
Inventors: 黄明; 徐四平; 李纳; 让玲娟
Original assignee: Tian Xun Electronics Yantai Co ltd
Current assignee: Tian Xun Electronics Yantai Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-10
Anticipated expiration: 2030-12-30

Abstract

The application relates to a composite circuit board, which belongs to the technical field of circuit boards and comprises a circuit board body; the circuit board body is provided with a mounting hole; a primary damping component is connected in the mounting hole; the first-level damping assembly comprises an outer cylinder inserted in the mounting hole; a first connecting sheet is fixedly arranged on the inner wall of the inner cylinder along the length direction of the inner cylinder; a second connecting sheet is arranged on one side of the first connecting sheet in parallel; the first connecting piece and the second connecting piece are connected through a spring ring; an inner cylinder is inserted in the outer cylinder; and a secondary damping component is connected in the inner cylinder. This application has the effect that improves the installation stability of circuit board.

Description

Composite circuit board

Technical Field

The application relates to the field of circuit board technology, in particular to a composite circuit board.

Background

At present, the circuit board is also called as a printed circuit board or a printed circuit board, and the existence of the printed circuit board can be almost kept away in electronic equipment which can be seen by people, namely electronic components such as electronic watches, calculators, general computers, computer communication electronic equipment and the like.

The utility model discloses a correlation technique can refer to the utility model patent that the grant bulletin number is CN210274675U, it discloses a composite circuit board, including the circuit board, the upper end of circuit board is equipped with a thermal-insulated silica gel piece, four limits of thermal-insulated silica gel piece all downwarping, and all the adhesion is fixed in on the surface of circuit board, form a sealed air cavity between thermal-insulated silica gel piece and the circuit board, the thermal-insulated silica gel piece is just all equipped with a through-hole to the pad department on the circuit board, the inside thermal-insulated silicone tube that all is equipped with of through-hole, all adhesion fixed mounting solid fixed ring on the opening end face of thermal-insulated silicone tube bottom surface, gu fixed ring's bottom surface all offsets with the bottom surface of pad, gu fixed ring's interior all weld fixed mounting connecting pipe, inside the connecting pipe lower extreme all inserted the pad, and all with pad welded fastening.

In view of the above-mentioned related art, the applicant has found that the cylinders and the springs are mounted at four corners of the circuit board, so that the vibration of the circuit board can be buffered only in the vertical direction, and the buffering capability of the vibration from the horizontal direction is poor, thereby affecting the service life of the circuit board.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of damping performance in the circuit board use, this application provides a composite circuit board.

The application provides a composite circuit board adopts following technical scheme:

a composite circuit board includes a circuit board body; the circuit board body is provided with a mounting hole; a primary damping component is connected in the mounting hole; the first-level damping assembly comprises an outer cylinder inserted in the mounting hole; a first connecting sheet is fixedly arranged on the inner wall of the inner cylinder along the length direction of the inner cylinder; a second connecting sheet is arranged on one side of the first connecting sheet in parallel; the first connecting piece and the second connecting piece are connected through a spring ring; an inner cylinder is inserted in the outer cylinder; and a secondary damping component is connected in the inner cylinder.

Through adopting above-mentioned technical scheme, when the circuit board body received the impact force that comes from the horizontal direction, the impact force can extrude outer cylinder wall and spring coil, and the spring coil produced deformation this moment and can absorb and cushion the impact force of part, and second grade damper assembly cushions the vertical ascending impact force of side of circuit board body simultaneously, through one-level damper assembly and second grade damper assembly's common cooperation, improves the stability and the life of circuit board body.

Optionally, the primary damping assembly further comprises a fixing piece fixedly arranged on the first connecting piece; the fixed sheet is rotationally connected with a triangular plate; one end of the triangular plate, which is far away from the fixing plate, is rotationally connected with the second connecting sheet; a first buffer spring is fixedly arranged on the side wall of the triangular plate; the other end of the first buffer spring is fixedly arranged on the side surface of the second connecting piece.

Through adopting above-mentioned technical scheme, when the urceolus extrudees the stationary blade, the stationary blade can be with pressure transmission to set-square department, and the set-square rotates and extrudes or stretch first buffer spring this moment, makes first buffer spring produce deformation, not only can cushion the extrusion force, and first buffer spring produces resilience force simultaneously and still can drive the set-square and resume to original state rapidly, prevents that the spring coil is impaired.

Optionally, a limiting block is fixedly arranged on the outer wall of the outer barrel; a limiting groove in sliding fit with the limiting block is formed in the side wall of the mounting hole; the limiting groove comprises a vertical groove and a horizontal groove, wherein the vertical groove is axially arranged along the outer cylinder, the horizontal groove is horizontally arranged at the end part of the vertical groove, and the horizontal groove is communicated with the vertical groove.

Through adopting above-mentioned technical scheme, along erecting the groove and sliding the stopper, conflict when erecting the groove bottom when the stopper, rotate the urceolus again, make the stopper slide along the cross slot, can install the urceolus to the mounting hole of circuit board body in, prevent that the urceolus from deviating from in the mounting hole.

Optionally, the secondary damping assembly comprises a connecting piece slidably inserted into the inner cylinder; the upper end of the connecting piece extends out of the inner cylinder, and a horizontally arranged limiting plate is fixedly arranged on the connecting piece; the outer ring surface of one end of the connecting piece, which extends out of the lower end surface of the circuit board body, is provided with threads; a second buffer spring is sleeved on the connecting piece; and two ends of the second buffer spring are respectively abutted against the limiting plate and the end face of the inner cylinder.

Through adopting above-mentioned technical scheme, place second buffer spring in the inner tube top, pass second buffer spring and inner tube with the connecting piece in proper order again to make connecting piece tip threaded connection on the mounting, second buffer spring produces deformation and can cushion the impact force that receives in the vertical direction of circuit board body, has improved the stability of circuit board body.

Optionally, a sliding block is fixedly arranged at one end, close to the inner cylinder, of the second connecting piece; and a sliding groove which is connected with the sliding block in a sliding manner is formed in the outer wall of the inner cylinder along the axial direction of the inner cylinder.

By adopting the technical scheme, the inner cylinder can be conveniently inserted into the outer cylinder through the matching of the sliding block and the sliding groove.

Optionally, a cover plate is connected to the inner cylinder inside the outer cylinder and above the inner cylinder; the cover plate is of a hollow structure, and the middle part of the cover plate is connected with a lantern ring through a support rod; the lantern ring is provided with a through hole for the connecting piece to pass through.

By adopting the technical scheme, the cover plate can limit the position of the inner cylinder and prevent the inner cylinder from being separated from the outer cylinder.

Optionally, a clamping assembly is connected to the cover plate; the clamping assembly comprises a sliding sleeve which is vertically and fixedly arranged on one side of the lantern ring close to the inner cylinder; a sliding rod is inserted in the sliding sleeve in a sliding manner; the end part of the sliding rod is connected with the sliding sleeve through an extension spring; the other end of the sliding rod horizontally penetrates through the side wall of the cover plate, and an arc-shaped pressing plate is fixedly arranged at the end part of the sliding rod; the outer diameter of the cover plate is smaller than the inner diameter of the inner cylinder.

Through adopting above-mentioned technical scheme, stir the slide bar, make the slide bar slide along the length direction of sliding sleeve. After the cover plate is placed in the outer barrel, the action of force is removed, the extension spring can pop the arc-shaped pressing plate out, and the cover plate is convenient to install in the outer barrel.

Optionally, a rubber gasket is fixedly arranged on the side face, close to the inner cylinder, of the arc-shaped pressing plate.

Through adopting above-mentioned technical scheme, rubber gasket's setting has increased the frictional force between arc clamp plate and the urceolus inner wall, prevents that the cover plate from removing in the urceolus.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the circuit board body is subjected to impact force from the horizontal direction, the impact force can extrude the outer cylinder wall and the spring ring, the spring ring deforms to absorb and buffer part of the impact force, meanwhile, the secondary damping assembly buffers the impact force of the circuit board body in the vertical direction, and the stability and the service life of the circuit board body are improved through the cooperation of the primary damping assembly and the secondary damping assembly;

2. the cover plate is arranged above the inner barrel and can limit the position of the inner barrel, so that the inner barrel is prevented from being separated from the outer barrel.

Drawings

Fig. 1 is a schematic overall structure diagram of a composite circuit board in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a circuit board according to an embodiment of the present application;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view showing the structure of the outer cylinder in the embodiment of the present application;

fig. 5 is a schematic view showing the structure of the highlighted chucking assembly in the embodiment of the present application.

Description of reference numerals: 1. a circuit board body; 11. mounting holes; 2. a secondary damping component; 21. a connecting member; 22. a second buffer spring; 3. a primary damping assembly; 31. an outer cylinder; 311. a limiting block; 32. a first connecting piece; 33. a second connecting sheet; 331. a slider; 34. a spring ring; 35. a fixing sheet; 36. a set square; 37. a first buffer spring; 4. a limiting groove; 41. a vertical slot; 42. a transverse groove; 5. an inner barrel; 51. a chute; 6. a cover sheet; 7. a collar; 71. a through hole; 8. a support bar; 9. a clamping assembly; 91. a sliding sleeve; 92. a slide bar; 93. an extension spring; 94. an arc-shaped pressing plate; 95. a rubber gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a composite circuit board. Referring to fig. 1, including the circuit board body 1 that is rectangular, mounting hole 11 that runs through circuit board body 1 is all seted up in four end corner positions of circuit board body 1, and mounting hole 11 interpolation is equipped with connecting piece 21. The lower end of the connecting element 21 extends out of the lower end surface of the circuit board body 1, and the outer ring surface of the connecting element 21 is provided with threads.

Referring to fig. 1, when the circuit board body 1 is mounted, the circuit board body 1 is usually connected to a fixing member, and therefore the fixing member is provided with a fixing groove in threaded engagement with the connecting member 21. The circuit board body 1 is mounted by inserting the connector 21 into the mounting hole 11 and screwing the end thereof into the fixing groove of the fixing member.

Referring to fig. 2 and 3, the circuit board body 1 may receive an impact from the outside during use, and in order to improve the stability of the circuit board body 1, a primary shock absorbing assembly 3 for buffering an impact force in a horizontal direction is connected in the mounting hole 11.

Referring to fig. 3, the primary damping member 3 includes an outer cylinder 31 inserted into the mounting hole 11, a plurality of first coupling pieces 32 extending in the axial direction of the outer cylinder 31 are fixedly provided on the inner wall of the outer cylinder 31 at equal intervals, a second coupling piece 33 having the same shape and size as the first coupling piece 32 is provided in parallel on one side of the first coupling piece 32, and the ends of the first coupling piece 32 and the second coupling piece 33 are coupled to each other by an oval-shaped spring ring 34.

Referring to fig. 3, a fixing plate 35 is fixedly arranged on the side wall of the first connecting piece 32 and located in the spring ring 34, a right-angled triangle 36 is connected to the fixing plate 35, one end corner of the triangle 36 is rotatably connected to the fixing plate 35, and the other end corner of the triangle 36 is rotatably connected to the second connecting piece 33. The hypotenuse of the triangle 36 is obliquely arranged between the first connecting piece 32 and the second connecting piece 33.

Referring to fig. 3, a first buffer spring 37 is fixedly arranged on the second connecting piece 33 at one side of the triangular plate 36, a free end of the first buffer spring 37 extends to a position close to the triangular plate 36, and the other end of the first buffer spring 37 is fixedly arranged on the oblique edge of the triangular plate 36.

Referring to fig. 2 and 3, when the circuit board body 1 receives an impact force from the horizontal direction, the spring ring 34 is pressed to be deformed while pressing the fixing piece 35. When the distance between the fixing piece 35 and the second connecting piece 33 is reduced, the triangular plate 36 rotates in the direction close to the first buffer spring 37 to further press the first buffer spring 37, and at the moment, the first buffer spring 37 contracts to buffer part of the impact force, so that the circuit board body 1 is prevented from being damaged. The first buffer spring 37 can generate resilience force when contracting, and can drive the triangular plate 36 to rotate to the original state, so that the first-stage damping assembly 3 is prevented from being damaged.

Referring to fig. 2 and 4, in order to facilitate the installation of the outer cylinder 31, a horizontally disposed stopper 311 is fixedly disposed on an outer side wall of the outer cylinder 31, and a stopper groove 4 slidably connected with the stopper 311 is disposed on an inner wall of the installation hole 11.

Referring to fig. 4, the limiting groove 4 includes a vertical groove 41 vertically sliding with the limiting block 311 and a horizontal groove 42 horizontally disposed at the bottom end of the vertical groove 41 and communicating with the vertical groove 41. The stopper 311 is slid along the height direction of the vertical groove 41, the outer cylinder 31 is inserted into the mounting hole 11, and when the lower end of the stopper 311 abuts against the end of the vertical groove 41, the outer cylinder 31 is rotated along the length direction of the horizontal groove 42, so that the mounting operation of the outer cylinder 31 can be completed, and the outer cylinder 31 is prevented from being removed from the mounting hole 11.

Referring to fig. 3 and 4, the inner cylinder 5 is inserted into the outer cylinder 31, a sliding slot 51 is formed on the sidewall of the inner cylinder 5 along the axial direction thereof, and a sliding block 331 slidably connected in the sliding slot 51 is fixedly arranged on the side surface of the second connecting piece 33 close to the inner cylinder 5. In order to buffer the impact force on the vertical direction received by the circuit board body 1, the inner cylinder 5 is internally connected with a secondary damping component 2.

Referring to fig. 3, the secondary damping assembly 2 includes a connecting member 21, the connecting member 21 is T-shaped, the upper end of the connecting member 21 extends out of the upper end surface of the inner cylinder 5, and the upper and lower ends of the connecting member 21 are both sleeved with a second buffer spring 22. One end of the second buffer spring 22 at the upper end of the inner cylinder 5 is abutted against the lower end face of the connecting piece 21 and the other end is abutted against the upper end face of the inner cylinder 5. One end of the second buffer spring 22 located below the inner cylinder 5 abuts against the fixing member and the other end abuts against the lower end surface of the inner cylinder 5.

Referring to fig. 2 and 3, after the circuit board body 1 is mounted on the fixing member, when the circuit board body 1 receives an impact force, the second buffer springs 22 at the upper and lower ends deform to buffer the impact force received by the circuit board body 1, so that the mounting stability and the use stability of the circuit board body 1 are improved.

Referring to fig. 3 and 5, a cover 6 for restricting the inner cylinder 5 is connected to the upper portion of the inner cylinder 5 in the outer cylinder 31 in order to prevent the inner cylinder 5 from coming off the outer cylinder 31. The cover plate 6 is circular frame structure, and cover plate 6 middle part is connected with circular shape lantern ring 7 to link to each other through many spinal branchs vaulting pole 8 between 7 outer walls of lantern ring and the 6 inner walls of cover plate. The middle part of the lantern ring 7 is also provided with a through hole 71 for the connecting piece 21 to pass through.

Referring to fig. 5, a clamping assembly 9 is attached to the cover sheet 6 to tightly attach the cover sheet 6 to the inner wall of the outer cylinder 31.

Referring to fig. 5, the outer diameter of the lid plate 6 is smaller than the inner diameter of the outer cylinder 31. The clamping assembly 9 comprises a sliding sleeve 91 fixedly arranged on the outer wall of the lantern ring 7 and positioned between two adjacent supporting rods 8, a sliding rod 92 is inserted in the sliding sleeve 91 in a sliding mode, and the end portion of the sliding rod 92 is connected with the bottom of the sliding sleeve 91 through an extension spring 93. The free ends of the slide bars 92 extend horizontally closer to the lid sheet 6 and the ends of the slide bars 92 extend all the way out of the side walls of the lid sheet 6.

Referring to fig. 5, an arc-shaped pressing plate 94 attached to the inner wall of the outer cylinder 31 is fixedly disposed at one end of the sliding rod 92 extending out of the cover plate 6, and a rubber gasket 95 is glued to the side wall of the arc-shaped pressing plate 94.

Referring to fig. 3 and 5, after the inner cylinder 5 is inserted into the outer cylinder 31, the sliding rod 92 is pulled in a direction approaching the collar 7, the extension spring 93 contracts to pull the sliding rod 92 into the sliding sleeve 91, and a gap is left between the arc-shaped pressing plate 94 and the inner wall of the outer cylinder 31, so that the cover plate 6 can be conveniently installed into the outer cylinder 31. Then, the force applied to the slide rod 92 is removed, and the extension spring 93 recovers to deform to spring the arc-shaped pressing plate 94 to the inner wall of the outer cylinder 31, so that the cover plate 6 is installed.

The implementation principle of the composite circuit board in the embodiment of the application is as follows: first, the stopper 311 is slid along the vertical groove 41, and the outer cylinder 31 is rotated along the longitudinal direction of the horizontal groove 42, whereby the outer cylinder 31 is fitted into the mounting hole 11. Then, the inner cylinder 5 is inserted into the outer cylinder 31 by the engagement of the slider 321 and the slide groove 51, and the slide rod 92 is pressed to contract the tension spring 93, thereby placing the lid sheet 6 into the outer cylinder 31 and abutting the lower end of the lid sheet 6 against the upper end surface of the inner cylinder 5. Finally, the second buffer springs 22 are respectively placed at the upper and lower ends of the inner cylinder 5, and then the connecting member 21 is passed through the second buffer springs 22 and the inner cylinder 5 to fix the circuit board body 1. The impact force that the circuit board body 1 during operation can receive through the cooperation of one-level damper 3 and second grade damper 2 cushions, improves circuit board body 1's stability in use.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A composite circuit board includes a circuit board body (1); the method is characterized in that: the circuit board body (1) is provided with a mounting hole (11); a primary damping component (3) is connected in the mounting hole (11); the primary damping assembly (3) comprises an outer cylinder (31) inserted in the mounting hole (11); an inner cylinder (5) is inserted into the outer cylinder (31); a first connecting sheet (32) is fixedly arranged on the inner wall of the inner cylinder (5) along the length direction; a second connecting sheet (33) is arranged on one side of the first connecting sheet (32) in parallel; the first connecting piece (32) is connected with the second connecting piece (33) through a spring ring (34); and a secondary damping component (2) is connected in the inner cylinder (5).

2. A composite circuit board according to claim 1, characterized in that: the primary damping assembly (3) further comprises a fixing piece (35) fixedly arranged on the first connecting piece (32); the fixed plate (35) is rotatably connected with a triangular plate (36); one end of the triangular plate (36) far away from the fixing plate (35) is rotatably connected with the second connecting piece (33); a first buffer spring (37) is fixedly arranged on the side wall of the triangular plate (36); the other end of the first buffer spring (37) is fixedly arranged on the side surface of the second connecting piece (33).

3. A composite circuit board according to claim 2, characterized in that: a limiting block (311) is fixedly arranged on the outer wall of the outer barrel (31); a limiting groove (4) in sliding fit with the limiting block (311) is formed in the side wall of the mounting hole (11); the limiting groove (4) comprises a vertical groove (41) which is axially arranged along the outer cylinder (31) and a transverse groove (42) which is horizontally arranged at the end part of the vertical groove (41) and communicated with the vertical groove (41).

4. A composite circuit board according to claim 2, characterized in that: the secondary damping component (2) comprises a connecting piece (21) which is inserted in the inner cylinder (5) in a sliding way; the upper end of the connecting piece (21) extends out of the inner cylinder (5), and a limiting plate which is horizontally arranged is fixedly arranged on the connecting piece (21); the outer ring surface of one end of the connecting piece (21) extending out of the lower end surface of the circuit board body (1) is provided with threads; a second buffer spring (22) is sleeved on the connecting piece (21); and two ends of the second buffer spring (22) are respectively abutted against the limiting plate and the end face of the inner cylinder (5).

5. The composite circuit board of claim 4, wherein: one end of the second connecting sheet (33) close to the inner cylinder (5) is fixedly provided with a sliding block (331); the outer wall of the inner cylinder (5) is provided with a sliding groove (51) which is connected with the sliding block (331) in a sliding way along the axial direction.

6. The composite circuit board of claim 4, wherein: a cover plate (6) is connected with the inner part of the outer cylinder (31) above the inner cylinder (5); the cover plate (6) is of a hollow structure, and the middle part of the cover plate is connected with a lantern ring (7) through a support rod (8); the lantern ring (7) is provided with a through hole (71) for the connecting piece (21) to pass through.

7. The composite circuit board of claim 6, wherein: the cover plate (6) is connected with a clamping assembly (9); the clamping assembly (9) comprises a sliding sleeve (91) which is vertically and fixedly arranged on one side of the lantern ring (7) close to the inner cylinder (5); a sliding rod (92) is inserted in the sliding sleeve (91) in a sliding manner; the end part of the sliding rod (92) is connected with the sliding sleeve (91) through an extension spring (93); the other end of the sliding rod (92) horizontally penetrates through the side wall of the cover plate (6), and an arc-shaped pressing plate (94) is fixedly arranged at the end part of the sliding rod (92); the outer diameter of the cover plate (6) is smaller than the inner diameter of the inner cylinder (5).

8. A composite circuit board according to claim 7, wherein: and a rubber gasket (95) is fixedly arranged on the side surface of the arc-shaped pressing plate (94) close to the inner cylinder (5).