CN216491229U

CN216491229U - Optical template printed circuit board for optical communication

Info

Publication number: CN216491229U
Application number: CN202122985776.1U
Authority: CN
Inventors: 黄春龙
Original assignee: Shenzhen Jiana Electronics Co ltd
Current assignee: Shenzhen Jiana Electronics Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-10
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an optical template printed circuit board for optical communication, which comprises a protection plate, wherein the middle part of the upper end of the protection plate is provided with a mounting groove, a circuit board main body is arranged in the mounting groove, four corners of the upper end of the protection plate are respectively provided with a positioning hole which is communicated up and down, the lower part of the left end and the lower part of the right end of the protection plate are respectively provided with an opening, the front wall and the rear wall of each opening are respectively provided with a clamping groove, the upper end of the protection plate is provided with two positioning blocks, the two positioning blocks are respectively positioned right above the two openings, the positioning blocks are matched with the openings, the front end and the rear end of each positioning block are respectively provided with a fixing mechanism, and the fixing mechanisms are matched with the clamping grooves. According to the optical template printed circuit board for optical communication, the circuit board main body is completely wrapped by arranging the protection plate and the mounting groove, so that the circuit board main body is completely protected, the stacking function is realized by arranging the opening, the clamping groove, the positioning block and the fixing mechanism, the stability is high, and the heat dissipation capability is strong.

Description

Optical template printed circuit board for optical communication

Technical Field

The utility model relates to the technical field of optical communication, in particular to an optical template printed circuit board for optical communication.

Background

China pays great attention to the research and development of optical communication devices, and the research, development and industrialization of the optical communication devices are greatly promoted by the implementation of measures such as arrangement of special subjects, organization of technical attack and customs, tracking of international advanced technologies and the like through the national high and new technology development plan. The optical module printed circuit board for optical communication is an important part in the optical communication technology.

Existing patent (application No. 202022494092.7) discloses an optical template printed circuit board for optical communication, including body and through-hole, the both ends of body all are provided with heat radiation structure, the turning position department of body is provided with mosaic structure, the bottom mounting who leads to the chamber has the connecting block, and the bottom mounting of connecting block has the dog, the below of dog is provided with the joint piece, and the position department between joint piece and the dog is provided with the connector, the both ends of body both sides all are provided with protective structure, the surface of body is provided with the through-hole. According to the utility model, the splicing structure is arranged, when two optical template printed circuit boards are stacked up and down, the clamping block is clamped in the through cavity, and the stop block can play a role of isolation, so that the phenomenon that the quality inspection positions of the upper and lower optical template printed circuit boards are damaged and can not be used normally due to the abrasion phenomenon in the transportation process is avoided, and the optical template printed circuit boards are convenient for clamping two adjacent optical template printed circuit boards up and down.

In the patent, the protection structure is arranged to protect the circuit board body, mainly the four corners of the circuit board body are protected, the four edges and the upper end face of the circuit board body are not protected, and the protection is incomplete; stacking of two circuit boards is realized through setting up mosaic structure in the above-mentioned patent, but this mosaic structure's firm in connection nature is relatively poor, leads to having certain restriction to the number of piles that stacks, can't satisfy the actual production demand. Therefore, we propose an optical module printed circuit board for optical communication, which is used to realize the overall protection and stable stacking of the circuit board main body.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an optical template printed circuit board for optical communication, which can effectively solve the problems in the background technology.

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

the utility model provides an optical template printed circuit board for optical communication, includes the protection shield, protection shield upper end middle part is opened there is the mounting groove, be provided with the circuit board main part in the mounting groove, the locating hole that link up from top to bottom has all been opened in protection shield upper end four corners, the opening has all been opened to protection shield left end lower part and right-hand member lower part, opening antetheca and back wall all opened the draw-in groove, two locating pieces are installed to the protection shield upper end, two the locating piece is located directly over two openings respectively, locating piece and opening phase-match, locating piece front end and rear end all are provided with fixed establishment, fixed establishment and draw-in groove phase-match.

Preferably, the lower end of the protection plate is provided with a heat dissipation groove, the heat dissipation groove is communicated with the two openings, the lower wall of the mounting groove is provided with a heat conduction plate, and the upper end face of the heat conduction plate is in complete contact with the lower end face of the circuit board main body.

Preferably, the front end and the rear end of the positioning block are both provided with third round holes, the other ends of the third round holes are provided with second round holes, the other ends of the second round holes are provided with third round holes, the diameters of the third round holes are equal to the diameters of the first round holes, and the diameters of the second round holes are larger than the diameters of the first round holes.

Preferably, the fixing mechanism comprises a spring, one end of the spring is fixedly connected with the bottom wall of the first round hole, the other end of the spring is provided with a limiting disc, and the other end of the limiting disc is provided with a clamping block.

Preferably, the limiting disc is in sliding connection with the second round hole, and the clamping block is inserted into the third round hole in sliding connection.

Preferably, the end surface of the outer side of the clamping block is a spherical surface, and the clamping block is matched with the clamping groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the optical template printed circuit board for optical communication, the circuit board main body is completely wrapped by arranging the protection plate and the mounting groove, four edges and the lower end face of the circuit board main body are comprehensively protected, and the upper end face of the circuit board main body is isolated by arranging the two positioning blocks, so that the probability of damage to the upper end face of the circuit board main body is reduced;

2. according to the optical template printed circuit board for optical communication, the stacking function is realized by arranging the opening, the clamping groove, the positioning block and the fixing mechanism, and in the stacking process, the spherical end surface at the outer side of the clamping block is forced to be positioned in the clamping groove under the elastic action of the spring, so that the stability between the positioning block and the opening is improved, more circuit boards can be conveniently stacked, and the actual production requirement is met;

3. according to the optical template printed circuit board for optical communication, the heat conducting plate is arranged to be in complete contact with the circuit board main body, the heat generated by the circuit board main body is absorbed to the maximum extent through the heat conducting plate, and the heat conducting plate conducts the heat to the air through the opening and the heat dissipation groove, so that the heat dissipation effect of the circuit board main body is improved, and the service life of the circuit board main body is prolonged.

Drawings

Fig. 1 is a schematic view of an overall structure of an optical template printed circuit board for optical communication according to the present invention;

FIG. 2 is a diagram illustrating the stacking effect of an optical template printed circuit board for optical communication according to the present invention;

FIG. 3 is a schematic diagram of the whole structure of the protection board of the optical template printed circuit board for optical communication according to the present invention;

FIG. 4 is a schematic diagram of the whole structure of the fixing mechanism of the optical template printed circuit board for optical communication according to the present invention;

fig. 5 is a schematic view showing a pressing state of a fixing mechanism of an optical template printed circuit board for optical communication according to the present invention.

In the figure: 1. a protection plate; 2. mounting grooves; 3. a circuit board main body; 4. positioning holes; 5. an opening; 6. a card slot; 7. positioning blocks; 8. a fixing mechanism; 11. a heat sink; 12. a heat conducting plate; 21. a first circular hole; 22. a second circular hole; 23. a third circular hole; 31. a spring; 32. a limiting disc; 33. and (7) clamping blocks.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, an optical template printed circuit board for optical communication includes a protection board 1, wherein a mounting groove 2 is formed in the middle of the upper end of the protection board 1, a circuit board main body 3 is arranged in the mounting groove 2, positioning holes 4 which are vertically through are formed in four corners of the upper end of the protection board 1, openings 5 are formed in the lower portion of the left end and the lower portion of the right end of the protection board 1, clamping grooves 6 are formed in the front wall and the rear wall of each opening 5, two positioning blocks 7 are mounted at the upper end of the protection board 1, the two positioning blocks 7 are respectively located right above the two openings 5, the positioning blocks 7 are matched with the openings 5, fixing mechanisms 8 are arranged at the front end and the rear end of each positioning block 7, and the fixing mechanisms 8 are matched with the clamping grooves 6.

The lower extreme of protection shield 1 is opened there is radiating groove 11, and radiating groove 11 all communicates with each other with two

openings

5, and 2 lower walls in mounting groove are provided with heat-conducting plate 12, and the terminal surface contacts completely under 12 up ends of heat-conducting plate and the circuit board main part 3, carries out the adhesion through the heat conducting glue between mounting groove 2 and the circuit board main part 3, absorbs the heat that circuit board main part 3 produced through heat-conducting plate 12.

The front end and the rear end of the positioning block 7 are both provided with a third round hole 23, the other end of the third round hole 23 is provided with a second round hole 22, the other end of the second round hole 22 is provided with the third round hole 23, the diameter of the third round hole 23 is equal to that of the first round hole 21, the diameter of the second round hole 22 is larger than that of the first round hole 21, the third round hole is used for installing a spring 31 by arranging the first round hole 21, the spring 31 is prevented from being excessively extruded by the limiting disc 32, the movement stroke of the limiting disc 32 is limited by arranging the second round hole 22, and the fixture block 33 cannot be separated from the third round hole 23 and the hemispherical end face of the fixture block is just positioned in the clamping groove 6.

The fixing mechanism 8 comprises a spring 31, one end of the spring 31 is fixedly connected with the bottom wall of the first round hole 21, a limiting disc 32 is installed at the other end of the spring 31, a clamping block 33 is installed at the other end of the limiting disc 32, and when the clamping block 33 is not extruded, the hemispherical end face just protrudes out of the third round hole 23.

The limiting disc 32 is slidably connected with the second circular hole 22, and the clamping block 33 is inserted into and slidably connected with the third circular hole 23.

The outer side end surface of the fixture block 33 is a spherical surface, the fixture block 33 is matched with the slot 6, and the outer side end surface of the fixture block 33 is designed to be convenient for entering and exiting the slot 6.

The utility model relates to an optical module printed circuit board for optical communication, which is characterized in that a circuit board main body 3 is completely wrapped by arranging a protection plate 1 and a mounting groove 2, four edges and a lower end face of the circuit board main body 3 are comprehensively protected, and then the upper end face of the circuit board main body 3 is isolated by arranging two positioning blocks 7, so that the probability of damaging the upper end face of the circuit board main body 3 is reduced; the stacking function is realized by arranging the opening 5, the clamping groove 6, the positioning block 7 and the fixing mechanism 8, in the stacking process, the positioning block 7 in one circuit board is aligned with the opening 5 in the other circuit board, the positioning block 7 is pressed, the clamping block 33 is extruded to completely enter the third round hole 23, when the positioning block 7 is completely positioned in the opening 5, the spherical end face at the outer side of the clamping block 33 is forced to be positioned in the clamping groove 6 through the elastic action of the spring 31, the stability between the positioning block 7 and the opening 5 is improved, more circuit boards are convenient to stack, the actual production requirement is met, and in the separation process, the positioning block 7 only needs to be pulled outwards, and the hemispherical end face at the outer side of the clamping block 33 is designed to be convenient to enter and exit the clamping groove 6; through setting up heat-conducting plate 12 and circuit board main part 3 complete contact, absorb the heat that circuit board main part 3 produced through heat-conducting plate 12 at utmost, the rethread sets up opening 5 and radiating groove 11 and is convenient for heat-conducting plate 12 with heat conduction to the air in, improve circuit board main part 3's radiating effect, the life of extension circuit board main part 3.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An optical template printed circuit board for optical communication, comprising a protection plate (1), characterized in that: open at protection shield (1) upper end middle part has mounting groove (2), be provided with circuit board main part (3) in mounting groove (2), locating hole (4) that link up from top to bottom have all been opened in protection shield (1) upper end four corners, opening (5) have all been opened to protection shield (1) left end lower part and right-hand member lower part, draw-in groove (6) have all been opened to opening (5) antetheca and back wall, two locating piece (7), two are installed to protection shield (1) upper end locating piece (7) are located two openings (5) directly over respectively, locating piece (7) and opening (5) phase-match, locating piece (7) front end and rear end all are provided with fixed establishment (8), fixed establishment (8) and draw-in groove (6) phase-match.

2. The optical template printed circuit board for optical communication according to claim 1, wherein: the heat dissipation plate is characterized in that the lower end of the protection plate (1) is provided with a heat dissipation groove (11), the heat dissipation groove (11) is communicated with the two openings (5), the lower wall of the mounting groove (2) is provided with a heat conduction plate (12), and the upper end face of the heat conduction plate (12) is in complete contact with the lower end face of the circuit board main body (3).

3. The optical template printed circuit board for optical communication according to claim 2, wherein: third round hole (23) have all been opened to locating piece (7) front end and rear end, third round hole (23) other end is opened has second round hole (22), second round hole (22) other end is opened has third round hole (23), the diameter of third round hole (23) equals with the diameter of first round hole (21), the diameter of second round hole (22) is greater than the diameter of first round hole (21).

4. An optical template printed circuit board for optical communication according to claim 3, wherein: fixed establishment (8) include spring (31), the one end and first round hole (21) diapire fixed connection of spring (31), spacing dish (32) are installed to the spring (31) other end, fixture block (33) are installed to spacing dish (32) other end.

5. The optical template printed circuit board for optical communication according to claim 4, wherein: the limiting disc (32) is in sliding connection with the second round hole (22), and the clamping block (33) is inserted into the third round hole (23) in sliding connection.

6. The optical template printed circuit board for optical communication according to claim 5, wherein: the outer side end face of the clamping block (33) is a spherical surface, and the clamping block (33) is matched with the clamping groove (6).