Double-sided circuit board with corner protection structure

Abstract

The utility model relates to the field of circuit boards, in particular to a double-sided circuit board with corner protection structures, which comprises a circuit board body and four corner protection structure bodies, each corner protection structure body comprises a first corner protection sleeve and a second corner protection sleeve, the first corner protection sleeve comprises a first bottom plate, and the second corner protection sleeve comprises a second bottom plate. The first corner protection sleeve comprises a first bottom plate, a first L-shaped side plate is fixedly installed at the bottom of the side edge of the first bottom plate, a clamping strip is fixedly installed in the middle of the bottom of the first L-shaped side plate, the second corner protection sleeve comprises a second bottom plate, a second L-shaped side plate is fixedly installed at the top of the side plate of the second bottom plate, a clamping groove is formed in the middle of the top of the second L-shaped side plate, and the clamping strip is installed in the clamping groove in a clamped mode. First connecting holes are formed in the two ends of the first bottom plate, second connecting holes are formed in the two ends of the second bottom plate, third threaded through holes are formed in the two ends of the periphery of the circuit board body, and the first connecting holes, the third threaded through holes and the second connecting holes are in threaded connection through bolts.

Description

Technical Field

[0001] The utility model relates to the field of circuit boards, in particular to a double-sided circuit board with a corner protection structure. Background Art

[0002] Circuit boards can be called printed circuit boards or printed circuit boards. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Circuit boards can be divided into three major categories according to the number of layers: single-sided boards, double-sided boards, and multi-layer circuit boards.

[0003] However, the prior art has the following defects:

[0004] The four corners of the common circuit boards are exposed to the external environment. During installation and transportation, the corners of the circuit boards are easily scratched, squeezed and collided, causing damage to the circuit boards, affecting the use of the circuit boards, and thus affecting the service life of the circuit boards, bringing great inconvenience to users. Utility Model Content

[0005] The purpose of the utility model is to provide a double-sided circuit board with a corner protection structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-sided circuit board with a corner protection structure, comprising a circuit board body and four corner protection structure bodies, the corner protection structure body comprising a first protective corner sleeve and a second protective corner sleeve, the first protective corner sleeve comprising a first base plate, a first "L"-shaped side plate is fixedly installed on the top of the side of the first base plate, and first connecting holes are provided at both ends of the first base plate, the second protective corner sleeve comprises a second base plate, a second "L"-shaped side plate is fixedly installed on the top of the side of the second base plate, and second connecting holes are provided at both ends of the second base plate, third threaded through holes are provided at both ends of the four sides of the circuit board body, and the first connecting hole, the third threaded through hole and the second connecting hole are threadedly connected by bolts.

[0007] The above technical solution is adopted. The main body of the corner protection structure is sleeved on the four corners of the circuit board to protect it. The protective corner structure is connected to the circuit board through bolt threads, which is tightly connected to prevent falling. It is detachable and easy to replace and store.

[0008] The inner wall of the first bottom plate is tightly abutted against the top outer wall at the corner of the circuit board body, the inner wall of the second bottom plate is tightly abutted against the bottom outer wall at the corner of the circuit board body, and the first "L"-shaped side panel and the second "L"-shaped side panel are tightly abutted against the two side walls at the corner of the circuit board body respectively.

[0009] By adopting the above technical solution, the inner wall of the first protective corner sleeve and the inner wall of the second protective corner sleeve are tightly abutted against the outer wall of the corner of the circuit board body, and the connection is tight and the installation is firm to prevent friction and scratching between the two.

[0010] The first connecting hole includes a first through groove and a first threaded through hole, the top of the first through groove intersects with the top of the first base plate, the diameter of the first through groove is larger than the diameter of the first threaded through hole, and the nut at the top of the bolt is snap-fitted into the inside of the first through groove.

[0011] By adopting the above technical solution, the nut on the top of the bolt is hidden inside the first through groove, which can ensure the flatness of the top of the circuit board.

[0012] The second connecting hole includes a second through groove and a second threaded through hole, the top of the second through groove intersects with the top of the second base plate, the diameter of the second through groove is larger than the diameter of the second threaded through hole, and the bottom thread of the bolt is threaded with a fastening nut, which is snap-fitted into the second through groove.

[0013] By adopting the above technical solution, the gold-wood nut in this solution can further strengthen the connection between the edge protection structure body and the circuit board body.

[0014] A clamping strip is fixedly installed in the middle of the first "L"-shaped side plate away from the first bottom plate, and a clamping slot is opened in the middle of the second "L"-shaped side plate away from the second bottom plate. The clamping slot corresponds to the clamping strip, and the clamping strip is clamped and installed in the clamping slot.

[0015] By adopting the above technical solution, the first protective corner sleeve and the second protective corner sleeve are connected by the clamping strip and the clamping groove, and the connection is firm and tight.

[0016] The circuit board body comprises a substrate, a plurality of reinforcing ribs are arranged inside the substrate, both sides of the substrate are provided with an insulating layer, and a whisker fiber layer is fixedly installed on a side of the insulating layer away from the substrate.

[0017] By adopting the above technical solution, the reinforcing ribs of the solution enhance the anti-bending performance of the circuit board body and improve the strength of the circuit board.

[0018] The inner wall of the first protective corner sleeve and the inner wall of the second protective corner sleeve are respectively bonded with a first rubber pad and a second rubber pad.

[0019] By adopting the above technical solution, both the first rubber pad and the second rubber pad play a role of buffering and protection.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The four corners of the circuit board of the utility model are all sleeved with a corner protection structure body, the corner protection body is formed by two corner protection sleeves being clamped and installed, and is threadedly connected with the corners of the circuit board body for easy disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of the corner protection structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the front structure of the corner protection structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the internal structure of the circuit board body in the utility model.

[0026] In the figure: 1. circuit board body; 2. corner protection structure body; 3. bolt; 4. first protective corner sleeve; 5. second protective corner sleeve; 6. clamping strip; 7. first bottom plate; 8. first connecting hole; 9. first "L"-shaped side plate; 10. second "L"-shaped side plate; 11. second bottom plate; 12. second connecting hole; 13. clamping slot; 14. first through slot; 15. first threaded through hole; 16. first rubber pad; 17. second rubber pad; 18. second threaded through hole; 19. second through slot; 20. fastening nut; 21. substrate; 22. reinforcing rib; 23. insulating layer; 24. whisker fiber layer; 25. third threaded through hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4The utility model provides a double-sided circuit board with a corner protection structure, including a circuit board body 1 and four corner protection structure bodies 2, the corner protection structure body 2 includes a first protective corner sleeve 4 and a second protective corner sleeve 5, the first protective corner sleeve 4 includes a first bottom plate 7, a first "L"-shaped side plate 9 is fixedly installed on the top of the side of the first bottom plate 7, and first connecting holes 8 are provided at both ends of the first bottom plate 7, the second protective corner sleeve 5 includes a second bottom plate 11, a second "L"-shaped side plate 10 is fixedly installed on the top of the side of the second bottom plate 11, and second connecting holes 12 are provided at both ends of the second bottom plate 11, and third threaded through holes 25 are provided at both ends of the circuit board body 1, the first connecting hole 8, the third threaded through hole 25 and the second connecting hole 12 are threadedly connected by bolts 3, and the first protective corner sleeve 4 and the second protective corner sleeve 5 are respectively sleeved above and below the corners of the circuit board body 1.

[0029] The inner wall of the first bottom plate 7 is tightly abutted against the top outer wall at the corner of the circuit board body 1, the inner wall of the second bottom plate 11 is tightly abutted against the bottom outer wall at the corner of the circuit board body 1, the first "L"-shaped side plate 9 and the second "L"-shaped side plate 10 are tightly abutted against the two side walls at the corner of the circuit board body 1 respectively, and the inner wall of the corner protection structure body 2 is tightly abutted against the outer wall at the corner of the circuit board body 1.

[0030] The first connecting hole 8 includes a first through groove 14 and a first threaded through hole 15. The top of the first through groove 14 intersects with the top of the first base plate 7. The diameter of the first through groove 14 is larger than the diameter of the first threaded through hole 15. The nut at the top of the bolt 3 is snap-fitted and installed inside the first through groove 14, and the screw rod of the bolt 3 is inserted and installed in the first threaded through hole 15.

[0031] The second connecting hole 12 includes a second through groove 19 and a second threaded through hole 18. The top of the second through groove 19 intersects with the top of the second base plate 11. The diameter of the second through groove 19 is larger than the diameter of the second threaded through hole 18. The bottom of the bolt 3 is threadedly installed with a fastening nut 20. The fastening nut 20 is snap-fitted and installed in the second through groove 19. The fastening nut 20 is threadedly installed on the outside of the bottom of the bolt 3.

[0032] A clamping strip 6 is fixedly installed in the middle of the first "L"-shaped side panel 9 on the side away from the first bottom plate 7, and a clamping groove 13 is opened in the middle of the second "L"-shaped side panel 10 on the side away from the second bottom plate 11. The clamping groove 13 corresponds to the clamping strip 6, and the clamping strip 6 is clamped and installed in the clamping groove 13. The bottom of the first protective corner sleeve 4 is clamped and connected with the top of the second protective corner sleeve 5.

[0033] The circuit board body 1 includes a substrate 21 , a plurality of reinforcing ribs 22 are arranged inside the substrate 21 , both sides of the substrate 21 are provided with an insulating layer 23 , a whisker fiber layer 24 is fixedly mounted on one side of the insulating layer 23 away from the substrate 21 , and the insulating layer 23 plays an insulating role.

[0034] The inner wall of the first protective corner sleeve 4 and the inner wall of the second protective corner sleeve 5 are respectively bonded with a first rubber pad 16 and a second rubber pad 17, and the first rubber pad 16 and the second rubber pad 17 have good buffering performance.

[0035] Working principle: When the utility model is used, the corners of the circuit board body 1 are first engaged in the second protective corner sleeve 5, and the two side panels of the corners of the circuit board body 1 are tightly abutted against the inner walls of the second "L"-shaped side panel 10, so that the third threaded through hole 25 is connected with the second connecting hole 12, and then the clamping strip 6 is engaged and installed in the clamping groove 13, so that the first protective corner sleeve 4 is sleeved above the corner of the circuit board body 1, and the first protective corner sleeve 4, the circuit board body 1 and the second protective corner sleeve 5 are threadedly connected with the bolts 3, so that the four corner protection structure bodies 2 are respectively fixedly arranged at the four corners of the circuit board body 1, which protects the corners of the circuit board body 1 and prolongs the service life of the circuit board.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A double-sided circuit board with a corner protection structure, comprising a circuit board body (1) and four corner protection structure bodies (2), characterized in that: The corner protection structure body (2) comprises a first corner protection sleeve (4) and a second corner protection sleeve (5), the first corner protection sleeve (4) comprises a first bottom plate (7), a first "L"-shaped side plate (9) is fixedly mounted on the top of the side of the first bottom plate (7), and first connection holes (8) are provided at both ends of the first bottom plate (7), the second corner protection sleeve (5) comprises a second bottom plate (11), a second "L"-shaped side plate (10) is fixedly mounted on the top of the side of the second bottom plate (11), and second connection holes (12) are provided at both ends of the second bottom plate (11), and third threaded through holes (25) are provided at both ends of the four sides of the circuit board body (1), and the first connection hole (8), the third threaded through hole (25) and the second connection hole (12) are threadedly connected by bolts (3).

2. A double-sided circuit board with a corner protection structure according to claim 1, characterized in that: The inner wall of the first bottom plate (7) is in close contact with the top outer wall at the corner of the circuit board body (1), the inner wall of the second bottom plate (11) is in close contact with the bottom outer wall at the corner of the circuit board body (1), and the first "L"-shaped side plate (9) and the second "L"-shaped side plate (10) are respectively in close contact with the two side walls at the corner of the circuit board body (1).

3. The double-sided circuit board with a corner protection structure according to claim 1, characterized in that: The first connecting hole (8) comprises a first through groove (14) and a first threaded through hole (15); the top of the first through groove (14) intersects with the top of the first base plate (7); the diameter of the first through groove (14) is larger than the diameter of the first threaded through hole (15); and the nut at the top of the bolt (3) is snap-fitted and installed inside the first through groove (14).

4. The double-sided circuit board with a corner protection structure according to claim 1, characterized in that: The second connecting hole (12) comprises a second through groove (19) and a second threaded through hole (18), the top of the second through groove (19) intersects with the top of the second base plate (11), the diameter of the second through groove (19) is larger than the diameter of the second threaded through hole (18), and the bottom thread of the bolt (3) is threadedly mounted with a fastening nut (20), and the fastening nut (20) is snap-fitted into the second through groove (19).

5. The double-sided circuit board with a corner protection structure according to claim 1, characterized in that: A clamping strip (6) is fixedly mounted in the middle of the first "L"-shaped side plate (9) on a side away from the first bottom plate (7), and a clamping groove (13) is provided in the middle of the second "L"-shaped side plate (10) on a side away from the second bottom plate (11), the clamping groove (13) and the clamping strip (6) correspond to each other, and the clamping strip (6) is clamped and mounted in the clamping groove (13).

6. The double-sided circuit board with a corner protection structure according to claim 1, characterized in that: The circuit board body (1) comprises a substrate (21), a plurality of reinforcing ribs (22) are provided inside the substrate (21), insulating layers (23) are provided on both sides of the substrate (21), and a whisker fiber layer (24) is fixedly mounted on the side of the insulating layer (23) away from the substrate (21).

7. The double-sided circuit board with a corner protection structure according to claim 1, characterized in that: The inner wall of the first protective corner sleeve (4) and the inner wall of the second protective corner sleeve (5) are respectively bonded with a first rubber pad (16) and a second rubber pad (17).

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