Flexible circuit board fixing device

Abstract

A flexible circuit board fixing device comprises a base, a fixing piece and a press fitting piece, connecting plates are arranged on the two sides of the top of the base, and limiting teeth are arranged on the connecting plates; the fixing piece is detachably arranged at the bottom of the base and used for being fixed to a vehicle. The press-fitting piece is arranged on the connecting plate in a sleeving manner, and limiting grooves matched with the limiting teeth are formed in the press-fitting piece; wherein a first elastic piece is arranged at the bottom of one press fitting piece, the flexible circuit board is fixed through the first elastic piece and the base, a second elastic piece is arranged at the top of the press fitting piece, and the second elastic piece is matched with the first elastic piece of the other press fitting piece to fix the flexible circuit board. According to the utility model, a plurality of flexible circuit boards can be fixed; the sliding plate of the fixing piece slides in the sliding rail of the base, so that the groove of the check block of the fixing piece clamps the limiting block of the base, the connecting head of the fixing piece is connected with a vehicle, a plurality of flexible circuit boards can be fixed at the same time, space can be saved, and operation is easy.

Description

Technical Field

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

[0002] A flexible circuit board is a highly reliable and excellent flexible printed circuit board made of polyimide or polyester film as the base material. It has the characteristics of high wiring density, light weight, thin thickness, and good bendability. In order to reduce weight and cost, new energy vehicle manufacturers are currently researching the replacement of traditional wire harnesses with flexible circuits, mainly focusing on small wires in the front compartment, door wire harnesses, instrument panels, etc.

[0003] Existing flexible circuit boards are mainly fixed by silica gel paper or high-temperature tape, which is inconvenient for fixing and not convenient for fixing multiple flexible circuit boards.

[0004] For this reason, we propose a flexible circuit board fixing device. Content of the Utility Model

[0005] The applicant of the present utility model aims at the above-mentioned shortcomings in the existing production technology and provides a flexible circuit board fixing device, which can realize the fixing of multiple flexible circuit boards; the sliding plate of the fixing part slides in the sliding rail of the base, so that the groove of the stop block of the fixing part catches the limit block of the base, and the fixing part is connected to the vehicle through the connecting head, which can fix multiple flexible circuit boards at the same time, save space and is easy to operate.

[0006] The technical solution adopted by the present utility model is as follows:

[0007] A flexible circuit board fixing device, comprising:

[0008] A base, on both sides of the top of which are provided connecting plates, and the connecting plates are provided with limiting teeth;

[0009] A fixing part, detachably arranged at the bottom of the base for fixing with the vehicle;

[0010] At least one pressing part, sleeved on the connecting plate, and the pressing part is provided with a limiting groove matching the limiting teeth;

[0011] Wherein, a first elastic piece is arranged at the bottom of the pressing part, and the flexible circuit board is fixed by the first elastic piece and the base. A second elastic piece is arranged at the top of the pressing part, and the flexible circuit board is fixed by the cooperation of the second elastic piece and the first elastic piece of another pressing part.

[0012] Its further feature lies in that:

[0013] Both ends of the pressing part are provided with through holes and are sleeved on the connecting plate through the through holes.

[0014] The connecting plate and the base are integrally formed.

[0015] The limiting teeth are arranged between two connecting plates, and the limiting teeth are serrated.

[0016] Both the first elastic piece and the second elastic piece are provided with protrusions.

[0017] A slide rail is arranged at the bottom of the base, and a limiting block is arranged at the end of the slide rail of the base.

[0018] The fixing part includes a connecting head, and a sliding plate matching with the slide rail is arranged at the top of the connecting head.

[0019] One end of the sliding plate is provided with a stop block, a groove is arranged on one side of the stop block close to the sliding plate, and a slope is arranged on the other side of the stop block far from the sliding plate.

[0020] One side of the limiting block close to the slide rail is a slope.

[0021] A guiding block is arranged on the other side of the connecting plate, and a guiding groove matching with the guiding block is arranged on the pressing part.

[0022] The beneficial effects of the utility model are as follows:

[0023] The utility model has a compact and reasonable structure and is convenient to operate. A flexible circuit board is placed between two connecting plates of the base, a pressing part is sleeved on the base, and the flexible circuit board is fixed by the first elastic piece of the pressing part; then another flexible circuit board is placed on the pressing part, another pressing part is sleeved on the base, and the flexible circuit board is fixed by the first elastic piece of this pressing part and the second elastic piece of the first pressing part, and so on, so that the fixation of multiple flexible circuit boards can be realized; the sliding plate of the fixing part slides in the slide rail of the base, so that the groove of the stop block of the fixing part catches the limiting block of the base, and the connecting head of the fixing part is connected with the vehicle. Multiple flexible circuit boards can be fixed at the same time, space can be saved, and the operation is simple.

[0024] At the same time, the utility model also has the following advantages:

[0025] (1) Protrusions are arranged at the bottom of the first elastic piece, and the flexible circuit board can be better fixed through the protrusions. Multiple protrusions can be arranged, and the multiple protrusions are arranged at intervals at the bottom of the first elastic piece.

[0026] (2) When the sliding plate slides in the slide rail, when the slope of the stop block contacts the slope of the limiting block, as the sliding plate continues to slide, the slope of the stop block moves upward along the slope of the limiting block, so that the stop block crosses the limiting block, and the groove of the stop block catches the limiting block, realizing the fixation of the fixing part and the base. When disassembling the fixing part, lift the stop block so that the height of the stop block is greater than the height of the limiting block, and push the sliding plate in the reverse direction, thereby disassembling the fixing part and the base. Description of the Drawings

[0027] Figure 1 This is a schematic structural view of the present utility model.

[0028] Figure 2 This is a schematic view of the press-fitting part of the present utility model Figure 1 。

[0029] Figure 3 This is a schematic view of the press-fitting part of the present utility model Figure 2 。

[0030] Figure 4 This is a schematic view of the base of the present utility model.

[0031] Figure 5 is Figure 4 a side view of

[0032] Figure 6 This is a schematic view of the fixing part of the present utility model.

[0033] Figure 7 is Figure 6 a side view of

[0034] Wherein: 1. Base; 101. Connecting plate; 102. Limiting teeth; 103. Slide rail; 104. Limiting block; 105. Guide block; 2. Fixing part; 201. Connecting head; 202. Slide plate; 203. Stopper; 3. Press-fitting part; 301. Limiting groove; 302. First elastic sheet; 303. Second elastic sheet; 304. Protrusion; 305. Guide groove; 4. Flexible circuit board. Specific embodiments

[0035] The following will describe the specific embodiments of the present utility model with reference to the accompanying drawings.

[0036] As Figures 1-7 shown, a flexible circuit board fixing device includes a base 1, a fixing part 2 and a press-fitting part 3. The fixing part 2 is arranged at the bottom of the base 1, and the fixing part 2 is detachably connected to the base 1. The press-fitting part 3 is sleeved on the base 1, and the press-fitting part 3 is detachably connected to the base 1.

[0037] On both sides of the top of the base 1, a connecting plate 101 is provided, and the connecting plate 101 is integrally formed with the base 1. A plurality of limiting teeth 102 are provided on both connecting plates 101, and the limiting teeth 102 are arranged between the two connecting plates 101. The limiting teeth 102 on the connecting plate 101 are serrated, and a guide block 105 is provided on the other side of the connecting plate 101.

[0038] Both ends of the press-fitting part 3 are provided with through holes, and it can be sleeved on the two connecting plates 101 of the base 1 through the through holes. A limiting groove 301 matching the limiting teeth 102 is arranged on one side of the press-fitting part 3 where the limiting teeth 102 are located. The press-fitting part 3 and the base 1 are fixed through the cooperation of the limiting groove 301 and the limiting teeth 102. A first elastic sheet 302 is arranged at the bottom of the press-fitting part 3, and a second elastic sheet 303 is arranged at the top of the press-fitting part 3. The flexible circuit board 4 is fixed by the first elastic sheet 302, and a protrusion 304 is arranged at the bottom of the first elastic sheet 302. The flexible circuit board 4 is fixed through the cooperation of the protrusion 304 and the base 1. The second elastic sheet 303 can cooperate with the first elastic sheet 302 of the upper press-fitting part 3 to fix the flexible circuit board 4. Protrusions 304 are arranged on both the first elastic sheet 302 and the second elastic sheet 303, and multiple protrusions 304 can be arranged. The flexible circuit board 4 is further restricted by the protrusions 304. Two first elastic sheets 302 can be arranged, and the two first elastic sheets 302 are arranged at intervals. A guiding groove 305 matching the guiding block 105 is arranged on the press-fitting part 3, and the installation is carried out through the cooperation of the guiding block 105 and the guiding groove 305, which is convenient for the installation of the press-fitting part 3 and the base 1.

[0039] A sliding rail 103 is arranged at the bottom of the base 1, and a limiting block 104 is arranged at the end of the sliding rail 103 of the base 1. One side of the limiting block 104 close to the sliding rail 103 is a slope.

[0040] The fixing part 2 includes a connecting head 201, and it is connected to the vehicle through the connecting head 201. The connecting head 201 can be structures such as a standard fir tree head, an arrow, etc., and the connecting head 201 can also be fixed through 3M glue. A sliding plate 202 is arranged at the top of the connecting head 201, and the sliding plate 202 matches the sliding rail 103. A stop block 203 is arranged at one end of the sliding plate 202, and the stop block 203 is integrally formed with the sliding plate 202. The sliding plate 202 can be integrally formed with the connecting plate 101. A groove is arranged on one side of the stop block 203 close to the sliding plate 202, and a slope is arranged on the side of the stop block 203 away from the sliding plate 202. When the sliding plate 202 slides in the sliding rail 103, when the slope of the stop block 203 contacts the slope of the limiting block 104, as the sliding plate 202 continues to slide, the slope of the stop block 203 moves upward along the slope of the limiting block 104, so that the stop block 203 crosses the limiting block 104, and the groove of the stop block 203 catches the limiting block 104, realizing the fixation of the fixing part 2 and the base 1. When disassembling the fixing part 2, lift the stop block 203 so that the height of the stop block 203 is greater than the height of the limiting block 104, and push the sliding plate 202 in the reverse direction to disassemble the fixing part 2 and the base 1.

[0041] During specific use, place a flexible circuit board 4 between two connecting plates 101 of the base 1, slip a pressing member 3 onto the base 1, and fix the flexible circuit board 4 with the first elastic piece 302 of the pressing member 3; then place another flexible circuit board 4 on the pressing member 3, slip another pressing member 3 onto the base 1, and fix the flexible circuit board 4 with the first elastic piece 302 of this pressing member 3 and the second elastic piece 303 of the first pressing member 3, and so on, so as to fix multiple flexible circuit boards 4; the slide plate 202 of the fixing member 2 slides in the slide rail 103 of the base 1, so that the groove of the stopper 203 of the fixing member 2 catches the limiting block 104 of the base 1, and the vehicle is connected through the connector 201 of the fixing member 2. Multiple flexible circuit boards 4 can be fixed simultaneously, saving space and having simple operation.

[0042] The above description is an explanation of the present utility model, not a limitation thereof. The scope defined by the present utility model is referred to the claims. Any form of modification can be made within the protection scope of the present utility model.

Claims

1. A flexible circuit board fixing device, characterized in that: include: A base (1) having connecting plates (101) disposed on both sides of the top thereof, and limiting teeth (102) disposed on the connecting plates (101); A fixing member (2) is detachably arranged at the bottom of the base (1) and is used for fixing to the vehicle; At least one press-fitting part (3) is sleeved on the connecting plate (101), and a limiting groove (301) matching the limiting tooth (102) is provided on the press-fitting part (3); The bottom of the press-fitting component (3) is provided with a first spring sheet (302), and the flexible circuit board (4) is fixed by the first spring sheet (302) and the base (1); the top of the press-fitting component (3) is provided with a second spring sheet (303), and the flexible circuit board (4) is fixed by the second spring sheet (303) cooperating with the first spring sheet (302) of another press-fitting component (3).

2. A flexible circuit board fixing device as claimed in claim 1, characterized in that: Both ends of the press-fitting part (3) are provided with through holes, and the press-fitting part (3) is sleeved on the connecting plate (101) through the through holes.

3. A flexible circuit board fixing device as claimed in claim 2, characterized in that: The connecting plate (101) and the base (1) are integrally formed.

4. A flexible circuit board fixing device as claimed in claim 1, characterized in that: The limiting teeth (102) are arranged between the two connecting plates (101), and the limiting teeth (102) are in a sawtooth shape.

5. A flexible circuit board fixing device as claimed in claim 1, characterized in that: The first elastic piece (302) and the second elastic piece (303) are both provided with a protrusion (304).

6. A flexible circuit board fixing device as claimed in claim 1, characterized in that: The bottom of the base (1) is provided with a slide rail (103), and the base (1) is provided with a limit block (104) at the end of the slide rail (103).

7. A flexible circuit board fixing device as claimed in claim 6, characterized in that: The fixing member (2) comprises a connecting head (201), and a sliding plate (202) matching the sliding rail (103) is arranged on the top of the connecting head (201).

8. A flexible circuit board fixing device as claimed in claim 7, characterized in that: A stopper (203) is provided at one end of the slide plate (202); a groove is provided on a side of the stopper (203) close to the slide plate (202); and a slope is provided on a side of the stopper (203) away from the slide plate (202).

9. A flexible circuit board fixing device as claimed in claim 8, characterized in that: The side of the limit block (104) close to the slide rail (103) is a slope.

10. A flexible circuit board fixing device as claimed in claim 4, characterized in that: A guide block (105) is provided on the other side of the connecting plate (101), and the press-fitting part (3) is provided with a guide groove (305) matching the guide block (105).

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