Fastening device

Abstract

The utility model discloses a fastening device, relates to the technical field of circuit board installation, and adopts the technical scheme that the fastening device comprises a bottom plate, a circuit board body is arranged at the top of the bottom plate, installation plates are fixedly connected to the two sides of the circuit board body, bolts and fastening mechanisms are embedded in the two installation plates, and the fastening mechanisms are arranged between the bottom plate and the circuit board body. The fastening mechanism is used for fastening the circuit board body, the fastening mechanism comprises two connecting boxes, the two connecting boxes are fixedly connected to the top of the bottom plate, and the two connecting boxes are both arranged at the bottom of the circuit board body. And meanwhile, the device adopts the design of the manually stretched fastening plate, so that the operation of a user is facilitated, the operability of the device is greatly improved, and great convenience is brought to the user.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board installation, in particular to a fastening device. Background Art

[0002] A circuit board is composed of an integrated circuit, a quartz oscillator, fine-tuning capacitors, and a printed circuit board. Circuit boards are known as ceramic circuit boards, alumina ceramic circuit boards, and aluminum nitride ceramic circuit boards. Circuit boards miniaturize and visualize circuits, playing a vital role in the mass production of fixed circuits and optimizing the layout of electrical appliances.

[0003] The existing circuit board body is generally fixed by bolts during installation. However, during transportation, the bolts may become loose due to shaking, which may cause the circuit board body to separate from the installation equipment, thereby causing damage to the circuit board body. Therefore, a fastening device is required to fasten the circuit board body. Summary of the Invention

[0004] To this end, the utility model provides a fastening device, whereby the user places the circuit board body on the top of the base plate so that the two threaded rods are aligned with the threaded tubes, and the circuit board body is fixed to the top of the two connection boxes by bolts. At this time, the user pulls the two pull plates, so that multiple columns and fastening plates can fasten the product, so as to solve the problem that the bolts may become loose due to shaking during transportation, thereby causing the circuit board body to separate from the installation equipment, thereby causing damage to the circuit board body.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions: a fastening device, comprising

[0006] A bottom plate, with a circuit board body provided on the top of the bottom plate;

[0007] Both sides of the circuit board body are fixedly connected to mounting plates, and bolts are embedded in the two mounting plates;

[0008] A fastening mechanism, the fastening mechanism being provided between the bottom plate and the circuit board body, the fastening mechanism being used to fasten the circuit board body;

[0009] The fastening mechanism includes two connection boxes, which are fixedly connected to the top of the base plate. The two connection boxes are both arranged at the bottom of the circuit board body. Two connection plates are provided on the inside of the two connection boxes. The tops of multiple connection plates are fixedly connected to columns, and the tops of two columns are fixedly connected to fastening plates.

[0010] Preferably, the fastening mechanism further includes two moving rods, the two moving rods are respectively arranged between two adjacent columns, the outer ends of the two moving rods are fixedly connected to a moving frame, and the multiple moving frames are respectively fixedly connected to the outer sides of multiple columns.

[0011] Preferably, two connecting frames are provided on the top of the base plate, the two connecting frames are fixedly connected to the inner sides of the two moving rods respectively, and the bottoms of the two connecting frames are fixedly connected to adjustment plates.

[0012] Preferably, two round rods are fixedly connected to the inner sides of the two adjustment plates, and movable plates are provided on the outer sides of the two adjustment plates, and the outer ends of the multiple round rods are fixedly connected to the two movable plates respectively.

[0013] Preferably, the outer sides of the two movable plates are fixedly connected with pull rods, the outer ends of the two pull rods are fixedly connected with pull plates, and the insides of the two pull plates are provided with buckles, and the buckles slide with the pull plates.

[0014] Preferably, a plurality of slots are provided on the top of the bottom plate, and the buckles match the plurality of slots.

[0015] Preferably, a positioning rod is fixedly connected to the top of the bottom plate, and the positioning rod is embedded in the two adjustment plates and slides between the two adjustment plates.

[0016] Preferably, the tops of the two connecting boxes are fixedly connected with threaded tubes, a threaded groove is opened inside the threaded tubes, the threaded tubes are connected to the bolts through threads, and lifting rods are embedded in the two threaded tubes. The bottom ends of the two lifting rods extend to the inside of the two connecting boxes respectively, and the lifting rods slide with the connecting boxes.

[0017] Preferably, a lifting plate is embedded in the two connecting boxes, and the two lifting plates are fixedly connected to the bottom ends of the two lifting rods respectively. A sliding groove is opened on the inner side of the two lifting rods, and multiple connecting plates are embedded in the two sliding grooves and slide in the sliding grooves.

[0018] Preferably, the two connection boxes are fixedly embedded with limit columns, and multiple limit columns are respectively embedded in the two lifting plates and slide on the lifting plates. Two springs are fixedly connected to the bottom of the two lifting plates, and multiple springs are respectively mounted on the outside of the two limit columns.

[0019] The beneficial effects of the utility model are:

[0020] The user places the circuit board body on the top of the base plate so that the two threaded rods are aligned with the threaded tubes, and the circuit board body is fixed to the top of the two connection boxes by bolts. At this time, the user pulls the two pull plates to enable multiple columns and fastening plates to tighten the product, so as to solve the problem that the bolts may become loose due to shaking during transportation, which may cause the circuit board body to separate from the installation equipment, thereby causing damage to the circuit board body. The utility model greatly improves the efficiency of the installation of the circuit board body and prevents the damage to the circuit board body caused by loose bolts during transportation. At the same time, the device adopts a manually stretched fastening plate design, which is easy for users to operate, greatly improves the operability of the device, and brings great convenience to users. In addition, the device adopts multi-directional fastening work, which makes the fastening effect better and also provides better protection for the circuit board body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings from the provided drawings.

[0022] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, provided they do not affect the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0023] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0024] Figure 2 A schematic diagram of a partial three-dimensional structure of the fastening mechanism provided by the present invention;

[0025] Figure 3 A schematic diagram of the three-dimensional structure of the lifting plate and lifting rod provided by the utility model;

[0026] Figure 4 A schematic diagram of the three-dimensional structure of the adjustment plate and the pull plate provided by the utility model;

[0027] Figure 5 The utility model provides Figure 4 A magnified view of point A in the figure;

[0028] In the figure: 1 bottom plate, 2 circuit board body, 3 mounting plate, 4 bolts, 5 connection box, 6 fastening plate, 7 connecting plate, 8 column, 9 moving rod, 10 moving frame, 11 connecting frame, 12 adjustment plate, 13 round rod, 14 movable plate, 15 pull rod, 16 pull plate, 17 buckle, 18 slot, 19 positioning rod, 20 threaded tube, 21 lifting rod, 22 lifting plate, 23 slide groove, 24 limit column, 25 spring. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0030] Refer to the attached Figure 1 -Attached Figure 5 The utility model provides a fastening device, comprising

[0031] A bottom plate 1, with a circuit board body 2 provided on the top of the bottom plate 1;

[0032] Mounting plates 3 are fixedly connected to both sides of the circuit board body 2, and bolts 4 are embedded inside the two mounting plates 3;

[0033] A fastening mechanism is provided between the base plate 1 and the circuit board body 2 and is used to fasten the circuit board body 2;

[0034] The fastening mechanism includes two connection boxes 5, which are fixedly connected to the top of the base plate 1. The two connection boxes 5 are both located at the bottom of the circuit board body 2. Two connection plates 7 are provided inside the two connection boxes 5. The tops of the multiple connection plates 7 are fixedly connected to columns 8, and the tops of the two columns 8 are fixedly connected to fastening plates 6.

[0035] In this embodiment, the user places the circuit board body 2 on top of the base plate 1 so that the two threaded rods are aligned with the threaded tube 20, and fixes the circuit board body 2 to the top of the two connection boxes 5 using bolts 4. At this time, the user pulls the two pull plates 16 to tighten the multiple columns 8 and the fastening plates 6 to the product.

[0036] Among them, in order to achieve the purpose of fastening, this device adopts the following technical solutions: the fastening mechanism also includes two moving rods 9, the two moving rods 9 are respectively arranged between two adjacent columns 8, the outer ends of the two moving rods 9 are fixedly connected to the moving frames 10, and the multiple moving frames 10 are respectively fixedly connected to the outsides of the multiple columns 8. Two connecting frames 11 are provided on the top of the bottom plate 1, and the two connecting frames 11 are respectively fixedly connected to the inner sides of the two moving rods 9. The bottoms of the two connecting frames 11 are fixedly connected to the adjusting plates 12, and the inner sides of the two adjusting plates 12 are fixedly connected to two round rods 13. A movable plate 14 is provided on the outside of the two adjustment plates 12, and the outer ends of multiple round rods 13 are fixedly connected to the two movable plates 14 respectively. A pull rod 15 is fixedly connected to the outside of the two movable plates 14, and the outer ends of the two pull rods 15 are fixedly connected to the pull plates 16. A buckle 17 is provided inside the two pull plates 16, and the buckle 17 slides with the pull plates 16. A plurality of slots 18 are opened on the top of the bottom plate 1, and the buckle 17 matches the plurality of slots 18. A positioning rod 19 is fixedly connected to the top of the bottom plate 1, and the positioning rod 19 is embedded in the two adjustment plates 12 and slides on the two adjustment plates 12;

[0037] The user pulls the two pull plates 16 outward, and the movement of the two pull plates 16 drives the two pull rods 15 and the movable plate 14 to move. The movement of the movable plate 14 drives the round rod 13 and the two adjustment plates 12 to move. The movement of the two adjustment plates 12 drives the multiple movable rods 9 and the pillars 8 to move, thereby moving the multiple fastening plates 6, so that the multiple fastening plates 6 can fasten the circuit board body 2.

[0038] Among them, in order to achieve the purpose of lifting work, this device adopts the following technical solutions: the two connecting boxes 5 are embedded with lifting plates 22, the two lifting plates 22 are fixedly connected to the bottom ends of the two lifting rods 21, and the inner sides of the two lifting rods 21 are provided with slide grooves 23. Multiple connecting plates 7 are respectively embedded in the two slide grooves 23 and slide on the slide grooves 23. The two connecting boxes 5 are fixedly embedded with limit columns 24. Multiple limit columns 24 are respectively embedded in the two lifting plates 22 and slide on the lifting plates 22. Two springs 25 are fixedly connected to the bottom of the two lifting plates 22, and multiple springs 25 are respectively sleeved on the outside of the two limit columns 24.

[0039] When the user screws the two bolts 4, the two bolts 4 extend into the two threaded tubes 20, and the two bolts 4 squeeze the two lifting rods 21 downward, causing the lifting rods 21 and the lifting plate 22 to move downward, thereby driving the multiple columns 8 and the fastening plate 6 to move downward, so that the fastening plate 6 is always close to the top of the circuit board body 2.

[0040] When the bolts 4 are loosened, the multiple columns 8 and the fastening plates 6 still tighten the circuit board body 2 to prevent the circuit board body 2 from being damaged.

[0041] The above description is merely a preferred embodiment of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.

Claims

1. A fastening device, characterized in that: include A bottom plate (1), wherein a circuit board body (2) is provided on the top of the bottom plate (1); Both sides of the circuit board body (2) are fixedly connected with mounting plates (3), and bolts (4) are embedded in the two mounting plates (3); A fastening mechanism, the fastening mechanism being arranged between the base plate (1) and the circuit board body (2), the fastening mechanism being used to fasten the circuit board body (2); The fastening mechanism comprises two connection boxes (5), the two connection boxes (5) are fixedly connected to the top of the base plate (1), the two connection boxes (5) are both arranged at the bottom of the circuit board body (2), two connection plates (7) are provided inside the two connection boxes (5), the tops of the plurality of connection plates (7) are fixedly connected to columns (8), and the tops of the two columns (8) are fixedly connected to fastening plates (6).

2. A fastening device according to claim 1, characterized in that: The fastening mechanism further comprises two moving rods (9), the two moving rods (9) being respectively arranged between two adjacent upright posts (8), the outer ends of the two moving rods (9) being fixedly connected to a moving frame (10), and the plurality of moving frames (10) being respectively fixedly connected to the outer sides of the plurality of upright posts (8).

3. The fastening device according to claim 1, characterized in that: Two connecting frames (11) are provided on the top of the base plate (1), the two connecting frames (11) are fixedly connected to the inner sides of the two moving rods (9), and the bottoms of the two connecting frames (11) are fixedly connected to an adjustment plate (12).

4. A fastening device according to claim 3, characterized in that: Two round rods (13) are fixedly connected to the inner sides of the two adjustment plates (12), and a movable plate (14) is provided on the outer sides of the two adjustment plates (12). The outer ends of the plurality of round rods (13) are fixedly connected to the two movable plates (14) respectively.

5. A fastening device according to claim 4, characterized in that: The outer sides of the two movable plates (14) are fixedly connected with pull rods (15), the outer ends of the two pull rods (15) are fixedly connected with pull plates (16), and the insides of the two pull plates (16) are provided with buckles (17), and the buckles (17) slide with the pull plates (16).

6. A fastening device according to claim 5, characterized in that: A plurality of slots (18) are provided on the top of the bottom plate (1), and the buckles (17) match the plurality of slots (18).

7. The fastening device according to claim 2, characterized in that: A positioning rod (19) is fixedly connected to the top of the bottom plate (1), and the positioning rod (19) is embedded in the two adjustment plates (12) and slides on the two adjustment plates (12).

8. The fastening device according to claim 4, characterized in that: The tops of the two connection boxes (5) are fixedly connected with threaded tubes (20), the interior of the threaded tubes (20) is provided with threaded grooves, the threaded tubes (20) are connected to the bolts (4) by threads, and the interiors of the two threaded tubes (20) are embedded with lifting rods (21), the bottom ends of the two lifting rods (21) respectively extend into the interiors of the two connection boxes (5), and the lifting rods (21) slide with the connection boxes (5).

9. The fastening device according to claim 1, characterized in that: A lifting plate (22) is embedded in the two connection boxes (5), and the two lifting plates (22) are fixedly connected to the bottom ends of the two lifting rods (21). A sliding groove (23) is opened on the inner side of the two lifting rods (21), and the plurality of connection plates (7) are embedded in the two sliding grooves (23) and slide on the sliding grooves (23).

10. The fastening device according to claim 1, characterized in that: A limiting column (24) is fixedly embedded in the interior of the two connection boxes (5), and a plurality of the limiting columns (24) are respectively embedded in the interior of the two lifting plates (22) and slide on the lifting plates (22). Two springs (25) are fixedly connected to the bottom of the two lifting plates (22), and the plurality of springs (25) are respectively sleeved on the outside of the two limiting columns (24).

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