CN112040710B

CN112040710B - Epoxy resin PCB circuit board

Info

Publication number: CN112040710B
Application number: CN202010886298.6A
Authority: CN
Inventors: 张晓宇; 周晨; 庞敏
Original assignee: Guangdong Jida Circuit Technology Co ltd
Current assignee: Guangdong Jida Circuit Technology Co.,Ltd.
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-10-29
Anticipated expiration: 2040-08-28
Also published as: CN112040710A

Abstract

The invention relates to the technical field of circuit boards, in particular to an epoxy resin PCB circuit board, which comprises a U-shaped bottom plate, wherein a supporting mechanism is arranged at the center of the upper surface of the U-shaped bottom plate, a clamping mechanism is arranged on the side wall of the U-shaped bottom plate, a fixing mechanism is arranged on the upper surface of the U-shaped bottom plate, a clamping mechanism is arranged inside the clamping mechanism, the circuit board is supported by a supporting plate, the supporting plate is clamped between two L-shaped plates, an inserting rod is inserted into an inserting hole, a pressing frame is pressed on the upper surface of the circuit board, then the circuit board and the supporting plate are driven to move downwards by pressing the pressing frame, the supporting plate presses the L-shaped plates, further drives clamping strips on the L-shaped plates to press the pressing plates, meanwhile, a round rod pushes a chute to drive a fixing block to move, the fixing block drives a moving rod to be inserted into the inclined inserting hole, and further fixes the circuit board through the matched clamping strips, the circuit board is prevented from being crushed.

Description

Epoxy resin PCB circuit board

Technical Field

The invention relates to the technical field of circuit boards, in particular to an epoxy resin PCB.

Background

The circuit board makes the circuit miniaturized, direct-viewing, play an important role in fixed circuit's batch production and optimization electrical apparatus overall arrangement, and the circuit board can be called printed wiring board or printed circuit board, is the provider of electronic components electrical connection, has that distribution density is high, light in weight, thickness is thin, the good characteristics of bendability.

The current PCB circuit board takes place to slide in order to prevent that the circuit board from causing the striking to damage when using, and then needs to install the circuit board on fixed face, and two current circuit board mounting means make through the screw with circuit board threaded connection on the face, can lead to the pressure face of screw to deform the face extrusion of circuit board when the power that the screw used when rotating is great, can lead to the circuit board to receive the damage, and then lead to the unable use of circuit board.

Disclosure of Invention

The invention provides an epoxy resin PCB (printed circuit board), aiming at the problems that when the PCB in the prior art is used, the circuit board is required to be installed on a fixed board surface in order to prevent the circuit board from sliding to cause impact damage, and the circuit board is installed in a manner that the circuit board is in threaded connection with the board surface through a screw in the two existing circuit board installation modes, and when the screw is rotated with large use force, the pressing surface of the screw can extrude and deform the board surface of the circuit board, so that the circuit board can be damaged, and the circuit board can not be used.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an epoxy PCB circuit board, includes the U-shaped bottom plate, the upper surface center department of U-shaped bottom plate is provided with supporting mechanism, be provided with latch mechanism on the lateral wall of U-shaped bottom plate, be provided with fixed establishment on the upper surface of U-shaped bottom plate, latch mechanism's inside is provided with fixture.

Specifically, the supporting mechanism includes the circular slot, the fixed cover in inside of circular slot has cup jointed supporting spring, supporting spring's the fixed cover in upper end is fixed inside fixed sleeve, fixed sleeve's upper end fixedly connected with backup pad, the circuit board has been placed on the upper surface of backup pad, the circuit board is close to the curb plate has seted up a plurality of jacks on the surface, and is a plurality of the inside of jack is pegged graft and is had a plurality of inserted bars, and is a plurality of the upper end fixed connection of inserted bar is on same lower surface according to the frame, and is a plurality of the lower extreme of inserted bar is pegged graft inside a plurality of joint inslot, and is a plurality of the joint groove is all seted up on the upper surface of backup pad.

Specifically, latch mechanism includes the spout, four the both ends at U-shaped bottom plate both sides inner wall are seted up respectively to the spout, four the inside difference joint of spout has two slide bars, two the slide bar rotates to be connected and changes downthehole portion two change the hole and set up respectively in the department of buckling of two L shaped plates, two equal fixedly connected with joint strip on the one side lateral wall that the L shaped plate is close to each other, two equal fixedly connected with reset spring, two on the lower surface of L shaped plate reset spring's lower extreme difference joint is inside two fixed slots, two the upper surface both sides at the U-shaped bottom plate are seted up respectively to the fixed slot.

Specifically, fixed establishment includes the fixed plate, two fixed plate symmetry fixed connection is on the upper surface of U-shaped bottom plate, two the removal hole has all been seted up on the surface of fixed plate, two the inside in removal hole all is pegged graft there is the carriage release lever, two the equal fixedly connected with fixed block of one end that the carriage release lever is close to each other, two the shifting chute has all been seted up on the upper surface of fixed block, two the chute has all been seted up on the inside wall of shifting chute, two the equal joint in inside of chute has the round bar, two the equal fixedly connected with dead lever in upper end of round bar, two dead lever fixed connection is on the lower surface of backup pad, two the carriage release lever is corresponding with two oblique slots respectively.

Specifically, fixture includes the screw hole, four the screw hole is seted up respectively on the inner wall of four spouts, four the equal threaded connection in inside of screw hole has the screw thread post, four the one end that the screw thread post is close to the L shaped plate sets up with four ejector pad contacts respectively, four the equal fixedly connected with fixture block of opposite side of ejector pad, four fixture block sliding connection is inside four spouts, four the fixture block all fixed the cup joint has elastic spring on the surface, elastic spring's the other end and slide bar contact set up, four the equal fixedly connected with bull stick of the other end of screw thread post, four equal two gag lever posts of fixedly connected with on the one end lateral wall that the ejector pad is close to the screw thread post, it is a plurality of the gag lever post is pegged graft respectively inside a plurality of spacing downthehole, and is a plurality of spacing hole is seted up respectively on the inner wall of four spouts.

Specifically, the support plate is clamped between the two L-shaped plates.

Specifically, inclined planes are arranged on the lower surfaces of the clamping strips and correspond to the upper surfaces of the pressing frames.

Specifically, the upper end of the chute is arranged close to the moving rod.

The invention has the beneficial effects that:

(1) according to the epoxy resin PCB circuit board, the circuit board is supported by the supporting plate, the supporting plate is clamped between the two L-shaped plates, the inserting rod is inserted into the inserting hole, the pressing frame is pressed on the upper surface of the circuit board, the pressing frame is pressed to drive the circuit board and the supporting plate to move downwards, the supporting plate presses the L-shaped plates, the clamping strips on the L-shaped plates are driven to press the pressing plate, the round rod pushes the inclined groove to drive the fixing block to move, the fixing block drives the moving rod to be inserted into the inclined inserting hole, and the circuit board is fixed through the matched clamping strips, so that the circuit board is prevented from being damaged by pressing.

(2) According to the epoxy resin PCB circuit board, the threaded column is driven to rotate through the arranged rotating rod, the pushing block is pushed when the threaded column rotates, the pushing block is further enabled to move towards the sliding rod, the pushing block pushes the elastic spring to be tightened, the elastic spring pushes the sliding rod to abut against one end, away from the threaded column, of the sliding groove, and therefore the position of the L-shaped plate is fixed.

Drawings

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

FIG. 1 is a schematic structural diagram of an epoxy PCB circuit board according to the present invention;

FIG. 2 is a schematic diagram of a top view structure of an epoxy PCB circuit board according to the present invention;

FIG. 3 is an enlarged schematic view of a clamping mechanism of an epoxy resin PCB provided by the present invention;

FIG. 4 is an enlarged view of a portion A of the PCB circuit board of the epoxy resin PCB of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of a portion B of the PCB circuit board of the epoxy resin of the present invention shown in FIG. 1;

FIG. 6 is a schematic diagram of an L-shaped board structure of an epoxy PCB provided by the present invention;

fig. 7 is a schematic view of a fixing block structure of an epoxy resin PCB circuit board according to the present invention.

In the figure: 1. a U-shaped bottom plate; 2. a support mechanism; 21. a circular groove; 22. a support spring; 23. fixing the sleeve; 24. a support plate; 25. a circuit board; 26. a jack; 27. inserting a rod; 28. pressing the frame; 29. a clamping groove; 3. a clamping mechanism; 31. a chute; 32. a slide bar; 33. hole turning; 34. an L-shaped plate; 35. a clamping strip; 36. a return spring; 37. fixing grooves; 4. a fixing mechanism; 41. a fixing plate; 42. moving the hole; 43. a travel bar; 44. a fixed block; 45. a moving groove; 46. a chute; 47. a round bar; 48. fixing the rod; 49. an oblique slot; 5. a clamping mechanism; 51. a threaded hole; 52. a threaded post; 53. a push block; 54. a clamping block; 55. an elastic spring; 56. a rotating rod; 57. a limiting rod; 58. and a limiting hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the epoxy resin PCB circuit board of the present invention includes a U-shaped bottom plate 1, a supporting mechanism 2 is disposed at the center of the upper surface of the U-shaped bottom plate 1, a clamping mechanism 3 is disposed on the side wall of the U-shaped bottom plate 1, a fixing mechanism 4 is disposed on the upper surface of the U-shaped bottom plate 1, and a clamping mechanism 5 is disposed inside the clamping mechanism 3.

Specifically, the supporting mechanism 2 includes a circular groove 21, a supporting spring 22 is fixedly sleeved inside the circular groove 21, the upper end of the supporting spring 22 is fixedly sleeved inside a fixing sleeve 23, the upper end of the fixing sleeve 23 is fixedly connected with a supporting plate 24, a circuit board 25 is placed on the upper surface of the supporting plate 24, a plurality of insertion holes 26 are formed on the surface of the circuit board 25 close to the side plate, a plurality of insertion rods 27 are inserted inside the insertion holes 26, the upper ends of the insertion rods 27 are fixedly connected to the lower surface of the same pressing frame 28, the lower ends of the insertion rods 27 are inserted inside a plurality of clamping grooves 29, the clamping grooves 29 are all formed on the upper surface of the supporting plate 24, the circuit board 25 is placed on the upper surface of the supporting plate 24, the two ends of the supporting plate 24 are clamped between two L-shaped plates 34, the insertion rods 27 are then inserted inside the insertion holes 26, the pressing frame 28 is placed outside the upper surface of the circuit board 25, the circuit board 25 is fixed to the upper surface of the support plate 24 by the insertion rods 27 by inserting the insertion rods 27 into the engaging grooves 29.

Specifically, the clamping mechanism 3 includes sliding grooves 31, four sliding grooves 31 are respectively formed at two ends of inner walls of two sides of the U-shaped bottom plate 1, two sliding rods 32 are respectively clamped inside the four sliding grooves 31, the two sliding rods 32 are rotatably connected inside two rotating holes 33, the two rotating holes 33 are respectively formed at the bent portions of the two L-shaped plates 34, clamping strips 35 are respectively fixedly connected to side walls of two adjacent L-shaped plates 34, return springs 36 are respectively fixedly connected to lower surfaces of the two L-shaped plates 34, lower ends of the two return springs 36 are respectively clamped inside two fixing grooves 37, the two fixing grooves 37 are respectively formed at two sides of the upper surface of the U-shaped bottom plate 1, the pressing frame 28 is pressed, the circuit board 25 is pushed to move downwards by the pressing frame 28, the supporting plate 24 is pushed to move downwards by the circuit board 25, the lower ends of the L-shaped plates 34 are pressed by the supporting plate 24, and then the two L-shaped plates 34 are driven to rotate around the rotating rods 32, the upper ends of the two L-shaped plates 34 are brought close to each other, and the two snap strips 35 press the pressing frame 28.

Specifically, the fixing mechanism 4 includes fixing plates 41, two fixing plates 41 are symmetrically and fixedly connected to the upper surface of the U-shaped bottom plate 1, moving holes 42 are formed in the surfaces of the two fixing plates 41, moving rods 43 are inserted into the two moving holes 42, one ends of the two moving rods 43 close to each other are fixedly connected with fixing blocks 44, moving grooves 45 are formed in the upper surfaces of the two fixing blocks 44, inclined grooves 46 are formed in the inner side walls of the two moving grooves 45, round rods 47 are clamped in the two inclined grooves 46, fixing rods 48 are fixedly connected to the upper ends of the two round rods 47, the two fixing rods 48 are fixedly connected to the lower surface of the supporting plate 24, the two moving rods 43 correspond to the two inclined grooves 49 respectively, when the supporting plate 24 moves downwards, the fixing rods 48 are driven to move downwards, when the fixing rods 48 move downwards, and further, the fixing rods 48 move inside the moving grooves 45, the round rod 47 is driven to move inside the chute 46, the chute 46 is driven to be pushed through the round rod 47, the fixing block 44 is driven to move, the fixing block 44 drives the moving rod 43 to move, the moving rod 43 is connected in an inserting mode inside the inclined slot 49, and the L-shaped plate 34 is fixed.

Specifically, the clamping mechanism 5 includes threaded holes 51, four threaded holes 51 are respectively formed in the inner walls of the four sliding grooves 31, threaded posts 52 are respectively and threadedly connected inside the four threaded holes 51, one ends of the four threaded posts 52, which are close to the L-shaped plate 34, are respectively in contact with the four push blocks 53, the other sides of the four push blocks 53 are respectively and fixedly connected with fixture blocks 54, the four fixture blocks 54 are slidably connected inside the four sliding grooves 31, elastic springs 55 are respectively and fixedly sleeved on the surfaces of the four fixture blocks 54, the other ends of the elastic springs 55 are in contact with the sliding rods 32, the other ends of the four threaded posts 52 are respectively and fixedly connected with rotating rods 56, two limiting rods 57 are respectively and fixedly connected to the side walls of one ends of the four push blocks 53, which are close to the threaded posts 52, the limiting rods 57 are respectively inserted into the limiting holes 58, the limiting holes 58 are respectively formed in the inner walls of the four sliding grooves 31, the rotating rods 56 are rotated, the rotating rod 56 drives the threaded column 52 to rotate, the threaded column 52 rotates to extrude the threads inside the threaded hole 51 on the surface, the threaded column 52 rotates and moves, the pushing block 53 is pushed to move through the threaded column 52, the pushing block 53 pushes the elastic spring 55, the elastic spring 55 pushes the sliding rod 32, the elastic spring 55 tightens, the sliding rod 32 is pushed by the elastic spring to push one end, away from the threaded column 52, of the sliding groove 31, the position of the L-shaped plate 34 is fixed, when the circuit board 25 needs to be taken down, the elastic spring 55 which is made by reversely rotating the threaded column 52 is loosened, the sliding rod 32 can move, the L-shaped plate 34 can move, and the L-shaped plate 34 can release the circuit board 25.

Specifically, the support plate 24 is clamped between two L-shaped plates 34, and the support plate 24 is clamped by the L-shaped plates 34.

Specifically, inclined planes are formed on the lower surfaces of the clamping strips 35, the inclined planes correspond to the upper surfaces of the pressing frames 28, and the pressing frames 28 are pressed in the vertical direction through the inclined planes.

Specifically, the upper end of the inclined groove 46 is disposed adjacent to the moving bar 43, and pushes the rear moving block 44 to move toward the moving bar 43 when the round bar 47 moves inside the moving bar 43.

When the circuit board clamping device is used, firstly, the circuit board 25 is placed on the upper surface of the supporting plate 24, two ends of the supporting plate 24 are clamped between the two L-shaped plates 34, then the insertion rod 27 is inserted into the insertion hole 26, the pressing frame 28 is placed on the outer side of the upper surface of the circuit board 25, the insertion rod 27 is inserted into the clamping groove 29, the circuit board 25 is fixed on the upper surface of the supporting plate 24 through the insertion rod 27, then the pressing frame 28 is pressed, the circuit board 25 is pushed to move downwards through the pressing frame 28, the supporting plate 24 is pushed to move downwards through the circuit board 25, the lower end of the L-shaped plate 34 is pressed through the supporting plate 24, the two L-shaped plates 34 are further driven to rotate around the rotating rod 32, the upper ends of the two L-shaped plates 34 are made to approach each other, the two clamping strips 35 are used for pressing the pressing frame 28, meanwhile, when the supporting plate 24 moves downwards, the fixing rod 48 moves downwards, when the fixing rod 48 moves downwards, the round rod 47 moves downwards, the fixing rod 48 is further moved in the moving slot 45 to drive the round rod 47 to move in the inclined slot 46, and further the round rod 47 pushes the pushing inclined slot 46 to push the fixing block 44 to move, the fixing block 44 drives the moving rod 43 to move, and further the moving rod 43 is inserted in the inclined slot 49 to fix the L-shaped plate 34, then the rotating rod 56 is rotated, the rotating rod 56 drives the threaded post 52 to rotate, the threaded post 52 extrudes the thread in the threaded hole 51 when the threaded post 52 rotates, so that the threaded post 52 rotates and moves, the pushing block 53 is pushed by the threaded post 52 to move, so that the pushing block 53 extrudes the elastic spring 55, and the elastic spring 55 extrudes the sliding rod 32, so that the elastic spring pushes the sliding rod 32 to push the end of the sliding slot 31 far away from the threaded post 52, and further the position of the L-shaped plate 34 is fixed, when the circuit board 25 needs to be taken down, reverse rotation of threaded post 52 releases spring 55, which in turn allows slide 32 to move and L-shaped plate 34 to move, which in turn allows L-shaped plate 34 to release circuit board 25.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An epoxy PCB circuit board, includes U-shaped bottom plate (1), its characterized in that: a supporting mechanism (2) is arranged at the center of the upper surface of the U-shaped bottom plate (1), a clamping mechanism (3) is arranged on the side wall of the U-shaped bottom plate (1), a fixing mechanism (4) is arranged on the upper surface of the U-shaped bottom plate (1), and a clamping mechanism (5) is arranged inside the clamping mechanism (3);

the supporting mechanism (2) comprises a circular groove (21), a supporting spring (22) is fixedly sleeved inside the circular groove (21), the upper end of the supporting spring (22) is fixedly sleeved inside a fixing sleeve (23), the upper end of the fixing sleeve (23) is fixedly connected with a supporting plate (24), a circuit board (25) is placed on the upper surface of the supporting plate (24), a plurality of inserting holes (26) are formed in the surface, close to a side plate, of the circuit board (25), a plurality of inserting rods (27) are inserted inside the inserting holes (26), the upper ends of the inserting rods (27) are fixedly connected to the lower surface of the same pressing frame (28), the lower ends of the inserting rods (27) are inserted into the clamping grooves (29), and the clamping grooves (29) are formed in the upper surface of the supporting plate (24);

the clamping mechanism (3) comprises sliding grooves (31), four sliding grooves (31) are respectively arranged at two ends of inner walls of two sides of the U-shaped bottom plate (1), two sliding rods (32) are respectively clamped inside the four sliding grooves (31), two sliding rods (32) are rotatably connected inside two rotary holes (33), two rotary holes (33) are respectively arranged at bending positions of two L-shaped plates (34), clamping strips (35) are fixedly connected to side walls, close to each other, of the two L-shaped plates (34), reset springs (36) are fixedly connected to the lower surfaces of the two L-shaped plates (34), the lower ends of the two reset springs (36) are respectively clamped inside two fixing grooves (37), and the two fixing grooves (37) are respectively arranged on two sides of the upper surface of the U-shaped bottom plate (1);

the fixing mechanism (4) comprises fixing plates (41), the two fixing plates (41) are symmetrically and fixedly connected to the upper surface of the U-shaped base plate (1), moving holes (42) are formed in the surfaces of the two fixing plates (41), moving rods (43) are inserted into the two moving holes (42), one ends, close to each other, of the two moving rods (43) are fixedly connected with fixing blocks (44), moving grooves (45) are formed in the upper surfaces of the two fixing blocks (44), inclined grooves (46) are formed in the inner side walls of the two moving grooves (45), round rods (47) are clamped in the two inclined grooves (46), fixing rods (48) are fixedly connected to the upper ends of the two round rods (47), the two fixing rods (48) are fixedly connected to the lower surface of the supporting plate (24), and the two moving rods (43) correspond to the two inclined grooves (49) respectively;

the clamping mechanism (5) comprises threaded holes (51), four threaded holes (51) are respectively formed in the inner walls of four sliding grooves (31), threaded columns (52) are connected to the inner portions of the four threaded holes (51) in a threaded manner, one ends, close to L-shaped plates (34), of the four threaded columns (52) are respectively in contact with four pushing blocks (53), clamping blocks (54) are fixedly connected to the other sides of the four pushing blocks (53), the four clamping blocks (54) are connected to the inner portions of the four sliding grooves (31) in a sliding manner, elastic springs (55) are fixedly sleeved on the surfaces of the four clamping blocks (54), the other ends of the elastic springs (55) are in contact with sliding rods (32), rotating rods (56) are fixedly connected to the other ends of the four threaded columns (52), two limiting rods (57) are fixedly connected to the side walls of the ends, close to the threaded columns (52), of the four pushing blocks (53), the limiting rods (57) are respectively inserted into the limiting holes (58), and the limiting holes (58) are respectively formed in the inner walls of the four sliding grooves (31).

2. The epoxy resin PCB circuit board of claim 1, wherein: the supporting plate (24) is clamped between the two L-shaped plates (34).

3. The epoxy resin PCB circuit board of claim 1, wherein: inclined planes are arranged on the lower surfaces of the clamping strips (35) and correspond to the upper surfaces of the pressing frames (28).

4. The epoxy resin PCB circuit board of claim 1, wherein: the upper end of the chute (46) is arranged close to the moving rod (43).