CN210840231U

CN210840231U - PCB circuit board with drilling protection cover plate

Info

Publication number: CN210840231U
Application number: CN201921463360.XU
Authority: CN
Inventors: 罗泽翼
Original assignee: Individual
Current assignee: Jiao Jianhui
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-23
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a PCB circuit board with drilling protection apron, including the fixed block, the standing groove has been seted up to one side that the fixed block is close to each other, two the sliding tray has all been seted up to the standing groove upper end, sliding connection has the spout in the sliding tray, sliding connection has the slider in the spout, the first spring of common fixedly connected with between the upper end of slider and the roof of spout, the lower extreme of slider is convex, shelve respectively in the standing groove of both sides at the both ends of casing, open the upper end of casing have with slider matched with arc wall. The utility model discloses well casing is shelved in the standing groove, and the slider is stable with the arc wall inconsistent messenger's casing under the effect of first spring, and the casing is not hard up when avoiding punching, causes the inaccuracy of punching, and inside the pointed end of perforator passed the round hole and gets into the protection shield, left the protection shield after punching in casing and drilling district inside, the position of round hole restriction perforator made its accurate drilling in drilling district.

Description

PCB circuit board with drilling protection cover plate

Technical Field

The utility model relates to a circuit board technical field especially relates to a PCB circuit board with drilling protection apron.

Background

The PCB printed circuit board (also called printed circuit board) is a provider for electrical connection of electronic components, has been developed for more than 100 years, is mainly designed by a domain layout, has the main advantages of greatly reducing errors of wiring and assembly, improving the automation level and the production labor rate, and plays an important role in the mass production of fixed circuits and the optimization of the layout of electrical appliances.

The PCB circuit board needs to be drilled in the production process, and in the prior art, the PCB circuit board is easy to slip in the drilling process, so that the drilling is not accurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the PCB circuit board with drilling protection apron that proposes, solve among the prior art PCB circuit board and beat the coarse problem of drilling.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a PCB circuit board with a drilling protection cover plate comprises a hollow protection plate and a shell positioned in the protection plate, wherein fixed blocks are symmetrically and fixedly connected to the inner walls of two sides of the protection plate, one side, close to each other, of each fixed block is provided with a placing groove, the upper ends of the two placing grooves are respectively provided with a sliding groove, each sliding groove is in sliding connection with a sliding block, a first spring is fixedly connected between the upper end of each sliding block and the top wall of each sliding groove, the lower end of each sliding block is in a circular arc shape, two ends of the shell are respectively placed in the placing grooves on the two sides, the upper end of the shell is provided with an arc-shaped groove matched with the corresponding sliding block, a circuit board body is embedded in the shell and comprises a component area and a drilling area, the upper end of the shell is provided with a plurality, the inside smooth chamber that has opened of roof of protection shield, open the upper end of protection shield has the round hole that a plurality of confession piercers passed, the round hole runs through smooth chamber and the inside intercommunication of protection shield, sliding connection has first baffle in the smooth chamber, the left end fixedly connected with rack plate of first baffle, the inside rotation of protection shield roof is connected with the pivot, the lower extreme of pivot extends to smooth intracavity portion, the lower extreme fixedly connected with and the gear of rack plate meshing of pivot, the upper end of pivot extends to the protection shield outside, the upper end fixedly connected with carousel of pivot, the front end of protection shield is equipped with the opening that supplies the casing business turn over.

Preferably, the heat dissipation substance is heat conductive silicone grease.

Preferably, it has a plurality of jacks to open on the carousel, the upper end fixedly connected with mount pad of protection apron, the bolt groove has been seted up to the upper end of mount pad, sliding connection has jack complex bolt in the bolt groove, one side fixedly connected with handle of pivot is kept away from to the bolt, the lateral wall of mount pad is opened have with handle complex spout, the common fixedly connected with second spring of lower extreme and the bolt tank bottom wall of bolt.

Preferably, the upper end of the opening is provided with a groove, a second baffle is connected in the groove in a sliding mode, the lower end of the second baffle extends into the opening and contacts with the lower end of the opening, a third spring is fixedly connected between the upper end of the second baffle and the top wall of the groove together, the front end of the second baffle is fixedly connected with a cross rod, and the front end of the protection plate is provided with a slide way for the cross rod to move.

Preferably, the insertion holes are evenly distributed on the circumference of the rotary disc.

Preferably, a bearing is arranged at the joint of the rotating shaft and the protection plate.

The utility model has the advantages that:

the casing is shelved in the standing groove, and the slider is under the effect of first spring with inconsistent messenger's casing with the arc wall stable, and the casing is not hard up when avoiding punching, causes the inaccuracy of punching, inside the pointed end of perforator passed the round hole and gets into the protection shield, inside the protection shield was left after punching in casing and drilling district, the position of round hole restriction perforator made its accurate drilling in drilling district.

Drawings

Fig. 1 is a front cross-sectional view of a PCB with a drilling protection cover plate according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a joint between the second baffle and the third spring of the PCB with the drilling protection cover plate of the present invention;

fig. 4 is the utility model provides a gear and rack plate junction's of PCB circuit board with drilling protection cover plate structure schematic diagram.

In the figure: the structure comprises a protection board 1, a shell 2, a fixed block 3, a sliding block 4, a first spring 5, a cross bar 6, a circuit board body 7, an element region 8, a drilling region 9, a heat radiating material 10, a first baffle 11, a rack plate 12, a rotating shaft 13, a gear 14, a rotating disc 15, a mounting seat 16, a bolt 17, a handle 18, a second spring 19, a second baffle 20 and a third spring 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a PCB with a drilling protection cover plate includes a hollow protection plate 1 and a housing 2 located inside the protection plate 1, the housing 2 is made of hard plastic material to prevent the circuit board body 7 from bending deformation, the inner walls of the two sides of the protection plate 1 are symmetrically and fixedly connected with fixed blocks 3, one sides of the fixed blocks 3 close to each other are provided with placing grooves, the upper ends of the two placing grooves are both provided with sliding grooves, the sliding grooves are connected with sliding grooves in sliding mode, sliding blocks 4 are connected in sliding mode, a first spring 5 is fixedly connected between the upper ends of the sliding blocks 4 and the top wall of the sliding grooves together, the lower ends of the sliding blocks 4 are arc-shaped, the two ends of the housing 2 are respectively placed in the placing grooves of the two sides, the upper end of the housing 2 is provided with arc-shaped grooves matched with the sliding blocks 4, the arc;

a circuit board body 7 is embedded in the shell 2, the circuit board body 7 comprises an element area 8 and a drilling area 9, the upper end of the shell 2 is provided with a plurality of through holes corresponding to the element area 8, a drill can directly drill holes in the drilling area 9 after entering from a round hole, the through holes are filled with heat dissipation substances 10, the heat dissipation substances 10 are heat conduction silicone grease, the heat dissipation of elements in the element area 8 is facilitated, the temperature of the elements is prevented from being too high, a sliding cavity is formed in the top wall of the protection plate 1, the upper end of the protection plate 1 is provided with a plurality of round holes for the drill to pass through, the round holes penetrate through the sliding cavity and are communicated with the interior of the protection plate 1, a first baffle 11 is connected in the sliding cavity in a sliding mode, the first baffle 11 can block the;

a rack plate 12 is fixedly connected at the left end of the first baffle 11, a rotating shaft 13 is rotatably connected inside the top wall of the protection plate 1, a bearing is arranged at the joint of the rotating shaft 13 and the protection plate 1 to reduce the friction force between the rotating shaft 13 and the protection plate 1, the lower end of the rotating shaft 13 extends into a sliding cavity, a gear 14 meshed with the rack plate 12 is fixedly connected at the lower end of the rotating shaft 13, the upper end of the rotating shaft 13 extends to the outside of the protection plate 1, a rotary disc 15 is fixedly connected at the upper end of the rotating shaft 13, a plurality of jacks are formed in the rotary disc 15 and are uniformly distributed on the circumference of the rotary disc 15, a mounting seat 16 is fixedly connected at the upper end of the protection plate 1, a pin slot is formed at the upper end of the mounting seat 16, a pin 17 matched with the jacks is slidably connected in the pin slot, a handle 18 is fixedly connected at one side of the pin 17 far away from the rotating shaft 13, bolt 17 can restrict the rotation of carousel 15, avoid the user to touch carousel 15 influence drilling by accident, the front end of protection shield 1 is equipped with the open-ended upper end that supplies 2 business turn over of casing and sets up flutedly, sliding connection has second baffle 20 in the recess, the lower extreme of second baffle 20 extends to and contacts with the opening lower extreme in the opening, common fixedly connected with third spring 21 between the upper end of second baffle 20 and the roof of recess, the front end fixedly connected with horizontal pole 6 of second baffle 20, the front end of protection shield 1 is opened there is the slide that supplies horizontal pole 6 to remove, second baffle 20 can the shutoff opening, avoid the dust to waft into inside protection shield 1.

The utility model discloses in, casing 2 shelves in the standing groove, slider 4 makes casing 2 stable with the arc wall is inconsistent under the effect of first spring 5, first baffle 11 blocks up in the round hole, bolt 17 inserts in one of them jack, stir handle 18 downwards and make bolt 17 overcome the elasticity of second spring 19 and move downwards, bolt 17 rotates carousel 15 after breaking away from the jack, carousel 15 drives pivot 13 and gear 14 and rotates, gear 14 drives rack plate 12 and moves left under the effect of meshing, rack plate 12 drives first baffle 11 and moves left, release handle 18 after first baffle 11 separates with the round hole, bolt 17 resets under the elasticity of spring 19, insert in the round hole of corresponding position, the pointed end of perforator passes the round hole and gets into inside protection shield 1, leave inside protection shield 1 after punching in casing 2 and drilling area 9;

the second baffle 20 is abutted against the lower end of the opening under the elastic force of the third spring 21, the cross rod 6 is stirred upwards to enable the second baffle 20 to overcome the elastic force of the third spring 21 to move upwards, after the second baffle 20 is separated from the opening, the circuit board body 7 (comprising the shell 2) is pulled outwards from the opening, the arc-shaped groove is abutted against the sliding block 4 to enable the arc-shaped groove to overcome the elastic force of the first spring 5 to move upwards and be separated from the arc-shaped groove, the sliding block 4 moves downwards under the elastic force and gravity of the first spring, after the circuit board body 7 (comprising the shell 2) is pulled out, the next circuit board body 7 (comprising the shell 2) is inserted into the opening until the sliding block 4 corresponds to the arc-shaped groove and is abutted against the arc-shaped groove, the cross rod 6 is released, the second baffle 20 is reset under the elastic force of the third;

after punching is completed, the handle 18 is shifted downwards to enable the plug 17 to overcome the elastic force of the second spring 19 to move downwards, the plug 17 is separated from the jack and then rotates the rotary disc 15, the rotary disc 15 drives the rotary shaft 13 and the gear 14 to rotate, the gear 14 drives the rack plate 12 to move rightwards under the meshing effect, the rack plate 12 drives the first baffle plate 11 to move rightwards, the handle 18 is released after the first baffle plate 11 is separated from the round hole, and the plug 17 is reset under the elastic force of the spring 19 and is inserted into the round hole in the corresponding position.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A PCB circuit board with a drilling protection cover plate comprises a hollow protection plate (1) and a shell (2) located inside the protection plate (1), and is characterized in that fixed blocks (3) are symmetrically and fixedly connected to the inner walls of the two sides of the protection plate (1), one sides, close to each other, of the fixed blocks (3) are provided with placing grooves, the upper ends of the two placing grooves are provided with sliding grooves, sliding grooves are connected in the sliding grooves in a sliding mode, sliding blocks (4) are connected in the sliding grooves in a sliding mode, a first spring (5) is fixedly connected between the upper end of each sliding block (4) and the top wall of each sliding groove together, the lower end of each sliding block (4) is arc-shaped, the two ends of each shell (2) are placed in the placing grooves of the two sides respectively, the upper end of each shell (2) is provided with an arc-shaped groove matched with the corresponding sliding block (4, the circuit board body (7) includes component district (8) and drilling district (9), open the upper end of casing (2) has a plurality of through-holes that correspond with component district (8) position, the through-hole intussuseption is filled with radiating material (10), the inside smooth chamber that has opened of roof of protection shield (1), open the upper end of protection shield (1) has a plurality of round holes that supply the perforator to pass, the round hole runs through smooth chamber and protection shield (1) inside intercommunication, sliding connection has first baffle (11) in the smooth chamber, the left end fixedly connected with rack plate (12) of first baffle (11), protection shield (1) roof inside rotation is connected with pivot (13), the lower extreme of pivot (13) extends to inside the smooth chamber, the lower extreme fixedly connected with of pivot (13) and rack plate (12) meshed gear (14), the upper end of pivot (13) extends to protection shield (1) outside, the upper end fixedly connected with carousel (15) of pivot (13), the front end of protection shield (1) is equipped with the opening that supplies casing (2) business turn over.

2. The PCB with the drilling protection cover plate as claimed in claim 1, wherein the heat dissipating substance (10) is a heat conductive silicone grease.

3. The PCB with the drilling protection cover plate according to claim 1, wherein a plurality of jacks are formed in the rotary table (15), a mounting seat (16) is fixedly connected to the upper end of the protection plate (1), a pin slot is formed in the upper end of the mounting seat (16), a pin (17) matched with the jacks is slidably connected in the pin slot, a handle (18) is fixedly connected to one side of the pin (17) far away from the rotating shaft (13), a sliding slot matched with the handle (18) is formed in a side wall of the mounting seat (16), and a second spring (19) is fixedly connected to the lower end of the pin (17) and the bottom wall of the pin slot together.

4. The PCB with the drilling protection cover plate according to claim 1, wherein a groove is formed in the upper end of the opening, a second baffle (20) is connected in the groove in a sliding mode, the lower end of the second baffle (20) extends into the opening and contacts with the lower end of the opening, a third spring (21) is fixedly connected between the upper end of the second baffle (20) and the top wall of the groove, a cross rod (6) is fixedly connected to the front end of the second baffle (20), and a slide way for the movement of the cross rod (6) is formed in the front end of the protection plate (1).

5. A PCB with drilling protection cover plate according to claim 3, characterized in that the jacks are evenly distributed on the circumference of the turntable (15).

6. The PCB with the drilling protection cover plate as claimed in claim 1, wherein the junction of the rotating shaft (13) and the protection plate (1) is provided with a bearing.