PCB with wire harness fixing function

Abstract

The invention relates to the technical field of circuit boards, in particular to a PCB with a wire harness fixing function. Comprising a PCB main body, a wiring harness box, a cover plate, a mounting plate and a plurality of winding mechanisms, the bottom end of the wire harness box is connected with a mounting base which is detachably connected with the PCB main body; a plurality of vertical holes a are formed in the front side of the PCB main body; a plurality of springs a are connected between the mounting plate and the upper end of the inner wall of the wire harness box; a plurality of threading holes are formed in the cover plate, and a plurality of pressing rods are connected to the bottom end of the cover plate; the multiple winding mechanisms are arranged on the mounting plate side by side. According to the invention, redundant wire harnesses can be uniformly and tightly wound on the wrapping post, the wiring process does not need to be carried out in a narrow space, and the device has the advantages of convenience in operation and high wiring speed.

Description

Technical Field

[0001] The invention relates to the technical field of circuit boards, and in particular to a PCB board with a wire harness fixed thereon. Background Art

[0002] Due to the characteristics of the lithium batteries used in multi-series and parallel battery packs, for safety reasons, the voltage of each group of battery cells needs to be tested. Currently, each group of battery cells is connected to the PCB board through a signal line, so the multi-series and parallel battery pack will have multiple signal lines (hereinafter referred to as multi-wire harnesses) connected to the PCB board. During the assembly process, it is easy for the multi-wire harness to collide or rub with other assembly materials of the product in the gathering area of ​​the PCB board, causing the wires to be scraped off, thereby causing fatal defects in the product or even the product cannot operate, seriously affecting customer use and even customer returns.

[0003] A Chinese patent with announcement number CN102545116B discloses a wiring harness fixing device including a base and a cover plate arranged on the base, wherein the base includes a bottom plate and a plurality of side walls connected to the bottom plate, the bottom plate is provided with a plurality of fixing holes for fixing the wiring harness fixing device, an accommodating space is formed between the side wall and the cover plate, the accommodating space is provided with a plurality of winding posts for fixing the wiring harness, and the side wall is provided with a plurality of wire outlet grooves for the wiring harness to pass through.

[0004] The above-mentioned disclosed patent still has the following technical defects: multiple winding poles are arranged in a relatively narrow space, and winding is inconvenient due to the obstruction of the side walls; after winding, the wound cable needs to be pressed tightly, otherwise the wound cable will bounce off, which causes inconvenience in installing the cover. Summary of the invention

[0005] The purpose of the present invention is to solve the problems existing in the background technology and to provide a PCB board with a wire harness fixed thereon.

[0006] The technical solution of the present invention is a PCB board with a wire harness fixed, comprising:

[0007] PCB circuit board body and wire harness box; the upper end of the wire harness box is open; the bottom end of the wire harness box is connected to a mounting base detachably connected to the PCB circuit board body; a plurality of vertical holes a are opened on the front side of the PCB circuit board body;

[0008] A mounting plate, wherein a plurality of springs a are connected between the mounting plate and the upper end of the inner wall of the wiring harness box;

[0009] A cover plate, wherein a plurality of threading holes are provided on the cover plate, a plurality of pressure rods are connected to the bottom end of the cover plate, and a plurality of rotating baffles are rotatably installed on the upper edge of the wiring harness box;

[0010] Multiple winding mechanisms are arranged side by side on a mounting plate, the winding mechanisms include a bottom cover, a winding post, a connecting slider, a limiting ring, a connecting rod, a key chain, an elastic component, a driving component and multiple limiting columns, the bottom cover is arranged on the mounting plate, the winding post is rotatably mounted on the bottom cover, the driving component is used to drive the winding post to rotate, the winding post has a hollow structure, the connecting slider is slidably mounted on the inner side of the winding post through an elastic component a, the key chain is connected to the connecting slider through a connecting rod, the limiting ring is connected to the connecting rod, and multiple limiting columns are arranged on the bottom cover along a circular array.

[0011] Preferably, a connecting mechanism is installed on the mounting base, the connecting mechanism includes a clamping assembly and a limit release assembly, the clamping assembly includes a guide rod b, a spring d, two push rods b and two wedge blocks b, a side of the mounting base is provided with a clamping slot that fits with the edge of the PCB circuit board body, the mounting base is provided with a mounting slot b that is connected to the inner side of the clamping slot, the guide rod b is arranged on the inner side of the mounting slot b, the two push rods b are both slidably mounted on the guide rod b, the spring d is sleeved and installed in the middle part of the guide rod b, the two wedge blocks b are respectively connected to the outer ends of the two push rods b, and the limit release assembly includes a push plate, two push rods a and two wedge blocks a, wherein the push plate is arranged on the outer side of the mounting base, the two push rods a are connected to the push plate, the two push rods a are movably passed through the end of the mounting base, and the ends of the two push rods a are arranged on the inner side of the mounting slot b and are respectively connected to the two wedge blocks a.

[0012] Preferably, an identification line a is provided on the mounting base, and identification lines b are provided on the PCB circuit board body at locations adjacent to the multiple T-shaped holes.

[0013] Preferably, the elastic component includes a guide rod a, a spring b and a limit block, the guide rod a is vertically arranged on the inner side of the winding column, the connecting slider is slidably arranged on the guide rod a, the limit block is arranged on the upper end of the guide rod a, and the spring b is sleeved and installed on the guide rod a.

[0014] Preferably, the driving assembly includes a rotating handle, a transmission shaft, a bevel gear and a bevel gear plate. The transmission shaft is rotatably mounted on the bottom cover. The inner and outer ends of the transmission shaft are respectively connected to the bevel gear and the rotating handle. The bevel gear plate is mounted at the bottom end of the winding column, and the bevel gear plate is meshed with the bevel gear. The wiring harness box is provided with multiple vertical holes b for multiple transmission shafts to pass through.

[0015] Preferably, mounting grooves a are provided on both sides of the lower ends of the multiple vertical holes a, and a clamping assembly is installed on the inner side of the mounting groove a. The clamping assembly includes a clamping block, a telescopic shaft and a spring c. The clamping block is slidably arranged in the mounting groove a and its end extends to the inner side of the vertical hole a. The clamping block is connected to the inner wall of the mounting groove a through the telescopic shaft, and the spring c is sleeved and installed on the telescopic shaft; push blocks are connected to the multiple clamping blocks.

[0016] Preferably, a sliding hole for the connecting slider to slide is provided on the winding post, and a plurality of through holes are also provided on the winding post.

[0017] Preferably, a plurality of strip-shaped holes are formed on the mounting plate, and the plurality of strip-shaped holes correspond one-to-one to the plurality of winding mechanisms.

[0018] Compared with the prior art, the present invention has the following beneficial technical effects:

[0019] 1. When the cover is removed for wiring, the cover can automatically pop up from the inside of the wire harness box, and then multiple winding mechanisms are moved out from the inside of the wire harness box, thereby facilitating the threading work.

[0020] 2. The winding mechanism can evenly wind the excess wire harness around the winding pole, and the wiring process does not need to be carried out in a small space. It has the advantages of convenient operation and fast wiring speed, and has a good effect on fixing the wire harness, and the wound cable is not easy to loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention.

[0022] Figure 2 and Figure 3 All of them are structural schematic diagrams of the wiring harness box and the mounting base in the present invention.

[0023] Figure 4 and Figure 5 All of them are exploded views of local structures in the present invention.

[0024] Figure 6 It is a cross-sectional structural diagram of the wiring harness box in the present invention.

[0025] Figure 7 It is a structural schematic diagram of the winding mechanism in the present invention.

[0026] Figure 8 It is a schematic diagram of the structure of the winding post, the limiting ring, the connecting rod, the key chain and the elastic component in the present invention.

[0027] Fig. 9 It is a cross-sectional structural diagram of the mounting base in the present invention.

[0028] Figure numerals: 1, PCB circuit board body; 101, T-shaped hole; 2, harness box; 201, vertical hole a; 202, vertical hole b; 203, mounting slot a; 3, mounting base; 301, card slot; 302, mounting slot b; 4, cover plate; 401, threading hole; 5, mounting plate; 501, strip hole; 6, bottom cover; 7, winding column; 8, limiting column; 9, connecting slider; 10, limiting ring; 11, connecting rod; 12, key chain; 13, rotating baffle; 14, clamping Block; 15, spring a; 16, pressure rod; 171, turning handle; 172, transmission shaft; 173, bevel gear; 174, bevel gear disc; 181, guide rod a; 182, spring b; 183, limit block; 191, telescopic shaft; 192, spring c; 20, push plate; 21, push rod a; 211, wedge block a; 22, push rod b; 221, wedge block b; 23, guide rod b; 24, spring d; 25, push block; 261, identification line a; 262, identification line b. DETAILED DESCRIPTION

[0029] Embodiment 1

[0030] like Figure 1-Figure 8 As shown, a PCB board with a wire harness fixed thereon proposed in this embodiment includes a PCB circuit board body 1, a wire harness box 2, a cover plate 4, a mounting plate 5 and a plurality of winding mechanisms.

[0031] The upper end of the wiring harness box 2 is open; the bottom end of the wiring harness box 2 is connected to a mounting base 3 detachably connected to the PCB circuit board body 1; a plurality of vertical holes a201 are provided on the front side of the PCB circuit board body 1, and mounting grooves a203 are provided on both sides of the lower ends of the plurality of vertical holes a201, and a clamping assembly is installed on the inner side of the mounting groove a203, and the clamping assembly includes a clamping block 14, a telescopic shaft 191 and a spring c192, and the clamping block 14 is slidably arranged in the mounting groove a203, and its end extends to the inner side of the vertical hole a201, and the clamping block 14 is connected to the mounting groove a203. The inner walls of the groove a203 are connected by a telescopic shaft 191, and a spring c192 is sleeved and installed on the telescopic shaft 191; a plurality of clamping blocks 14 are connected with a push block 25; the wiring harness passes through the vertical hole a201, driving the clamping blocks 14 on both sides of the vertical hole a201 to move away from each other, and when the wiring harness is placed between the two clamping blocks 14, the push block 25 is released, and the wiring harness is clamped between the two clamping blocks 14 under the elastic force of the spring c192, thereby fixing the wiring harness and preventing the end of the wiring harness connected to the PCB circuit board body 1 from loosening.

[0032] A plurality of springs a15 are connected between the mounting plate 5 and the upper end of the inner wall of the wiring harness box 2. A plurality of strip holes 501 are provided on the mounting plate 5. The plurality of strip holes 501 correspond one to one with the plurality of winding mechanisms. When the cover plate 4 pops up, the wiring harness is placed on the inner side of the strip hole 501, thereby limiting the wiring harness.

[0033] The cover plate 4 is provided with a plurality of threading holes 401 , a plurality of pressure rods 16 are connected to the bottom end of the cover plate 4 , and a plurality of rotating baffles 13 are rotatably mounted on the upper edge of the wiring harness box 2 .

[0034] A plurality of winding mechanisms are arranged side by side on the mounting plate 5, the winding mechanisms include a bottom cover 6, a winding post 7, a connecting slider 9, a limiting ring 10, a connecting rod 11, a key buckle 12, an elastic component, a driving component and a plurality of limiting posts 8, the bottom cover 6 is arranged on the mounting plate 5, the winding post 7 is rotatably mounted on the bottom cover 6, the driving component is used to drive the winding post 7 to rotate, the driving component includes a rotating handle 171, a transmission shaft 172, a bevel gear 173 and a bevel gear plate 174, the transmission shaft 172 is rotatably mounted on the bottom cover 6, the inner and outer ends of the transmission shaft 172 are respectively connected to the bevel gear 173 and the rotating handle 171, the bevel gear plate 174 is installed at the bottom end of the winding post 7, and the bevel gear plate 174 is meshed with the bevel gear 173; a plurality of vertical holes b202 are provided on the wiring harness box 2 for the plurality of transmission shafts 172 to pass through, By turning the handle 171, the transmission shaft 172 is driven to rotate, which in turn drives the bevel gear 173 to rotate. The bevel gear 173 in turn drives the bevel toothed disc 174 to rotate. The bevel toothed disc 174 in turn drives the winding post 7 to rotate. The winding post 7 has a hollow structure. The connecting slider 9 is slidably installed on the inner side of the winding post 7 through an elastic component a. The elastic component includes a guide rod a181, a spring b182 and a limit block 183. The guide rod a181 is vertically arranged on the inner side of the winding post 7. The connecting slider 9 is slidably arranged on the guide rod a181. The limit block 183 is arranged on the upper end of the guide rod a181. The spring b182 is sleeved and installed on the guide rod a181. The key chain 12 is connected to the connecting slider 9 through a connecting rod 11. The limit ring 10 is connected to the connecting rod 11. A plurality of limit posts 8 are arranged on the bottom cover 6 along a circular array.

[0035] The winding post 7 is provided with a sliding hole for the connecting slider 9 to slide, and the winding post 7 is also provided with a plurality of through holes. The winding post 7 is configured as a hollow structure and is provided with sliding holes and through holes, so as to facilitate heat dissipation of the wound wire harness.

[0036] The wiring harness box 2 and cover plate 4 provided in the present technical scheme can protect the wiring harness and avoid scratches on the wiring harness, and can also play a role in shielding the entanglement to improve the aesthetics. The rotating baffles 13 on both sides are rotated to release the limiting effect on the cover plate 4. Under the elastic force of the spring a15, the mounting plate 5 is driven to move upward, so that multiple winding mechanisms are moved out from the inside of the wiring harness box 2, thereby facilitating threading. The wiring harness is passed through the vertical hole a201, and the wiring harness is passed through the hole of the key buckle 12. The wiring harness finally passes through the threading hole 401. The multiple wiring harnesses are threaded according to the above method, and then the cover plate 4 can be installed and reset. The movement of the cover plate 4 drives the multiple pressure rods 16 to move downward. The pressure rods 16 squeeze the mounting plate 5 and move to the inner side of the wiring harness box 2. The rotating baffle 13 can complete the limiting work of the cover plate 4; the driving component is used to drive the winding column 7 to rotate, thereby driving the key buckle 12 The key chain 12 rotates and drives the excess wiring harness to be wound onto the winding pole 7. As the wiring harness at the bottom of the winding pole 7 is wound more and more, the multiple limiting poles 8 set up further limit the diameter of the wound wiring harness roll, so that the wiring harness is forced to wind upward, and the wound wiring harness roll pushes the limiting ring 10 to move upward, so that the excess wiring harness can be evenly wound on the winding pole 7, and the limiting ring 10 is connected to the elastic component, so that the limiting ring 10 is tightly pressed on the upper end of the wiring harness roll, which can fix the wiring harness roll; in summary, when the cover plate 4 is removed for wiring, the cover plate 4 of the present invention can automatically pop up from the inner side of the wiring harness box 2, and then multiple winding mechanisms are moved out from the inner side of the wiring harness box 2, so as to facilitate the threading work; the winding mechanism set up can evenly wind the excess wiring harness on the winding pole 7, and the wiring process does not need to be carried out in a small space, which has the advantages of convenient operation and fast wiring speed.

[0037] Embodiment 2

[0038] like Figure 1 , Figure 4 , Fig. 9As shown, a PCB board with a harness fixed thereon proposed in this embodiment, compared with the first embodiment, in this embodiment, a connecting mechanism is installed on the mounting base 3, the connecting mechanism includes a clamping assembly and a limit release assembly, the clamping assembly includes a guide rod b23, a spring d24, two push rods b22 and two wedge blocks b221, a side of the mounting base 3 is provided with a card slot 301 that fits with the edge of the PCB circuit board body 1, the mounting base 3 is provided with a mounting slot b302 that is connected to the inner side of the card slot 301, and the guide rod b23 is arranged on the mounting base 3. The inner side of the groove b302, the two push rods b22 are slidably installed on the guide rod b23, the spring d24 is sleeved and installed in the middle of the guide rod b23, the two wedge blocks b221 are respectively connected to the outer ends of the two push rods b22, and the limit release assembly includes a push plate 20, two push rods a21 and two wedge blocks a211, wherein the push plate 20 is arranged on the outer side of the mounting base 3, the two push rods a21 are connected to the push plate 20, the two push rods a21 are movable through the ends of the mounting base 3, and the ends of the two push rods a21 are arranged in the mounting groove b 302 and are respectively connected to the two wedge blocks a211; an identification line a261 is provided on the mounting base 3, and identification lines b262 are provided at positions adjacent to the multiple T-shaped holes 101 on the PCB circuit board body 1; through the installed connecting mechanism and the multiple T-shaped holes 101 provided on the PCB circuit board body 1, the wiring harness box 2 can flexibly adjust its installation position. During installation, the identification line a261 is aligned with the identification line b262, so that the two wedge blocks b221 are both inserted into the inner side of the T-shaped hole 101, and the wedge block a2 The inclined surface of 11 first contacts the outer end of the T-shaped hole 101, forcing the wedge block b221 to move inward. When the wedge block b221 moves to the inner end of the T-shaped hole 101, the elastic force of the spring d24 causes the two wedge blocks b221 to move away from each other. The two wedge blocks b221 are stuck on the inner side of the T-shaped hole 101. When disassembling, pushing the push plate 20 inward drives the two wedge blocks a211 to squeeze the two push rods b22 respectively, so that the two push rods b22 are close to each other, and then the two wedge blocks b221 can be pulled out from the inner side of the T-shaped hole 101.

[0039] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A PCB board with a harness fixed, characterized in that: include: PCB circuit board main body (1) and wiring harness box (2); The upper end of the wiring harness box (2) is open; the bottom end of the wiring harness box (2) is connected to a mounting base (3) that is detachably connected to the PCB circuit board body (1); a plurality of vertical holes a (201) are formed on the front side of the PCB circuit board body (1); A mounting plate (5), wherein a plurality of springs a (15) are connected between the mounting plate (5) and the upper end of the inner wall of the wiring harness box (2); A cover plate (4), wherein a plurality of threading holes (401) are formed on the cover plate (4), a plurality of pressure rods (16) are connected to the bottom end of the cover plate (4), and a plurality of rotating baffles (13) are rotatably mounted on the upper edge of the wiring harness box (2); A plurality of winding mechanisms are arranged side by side on a mounting plate (5), the winding mechanisms comprising a bottom cover (6), a winding post (7), a connecting slider (9), a limiting ring (10), a connecting rod (11), a key ring (12), an elastic component, a driving component and a plurality of limiting posts (8), the bottom cover (6) being arranged on the mounting plate (5), the winding post (7) being rotatably mounted on the bottom cover (6), the driving component being used to drive the winding post (7) to rotate, the winding post (7) having a hollow structure, the connecting slider (9) being slidably mounted on the inner side of the winding post (7) through an elastic component a, the key ring (12) being connected to the connecting slider (9) through a connecting rod (11), the limiting ring (10) being connected to the connecting rod (11), and the plurality of limiting posts (8) being arranged on the bottom cover (6) along a ring array.

2. A PCB board with a harness fixed thereto according to claim 1, characterized in that: A connecting mechanism is installed on the mounting base (3), the connecting mechanism includes a clamping assembly and a limit release assembly, the clamping assembly includes a guide rod b (23), a spring d (24), two push rods b (22) and two wedge blocks b (221), a side of the mounting base (3) is provided with a clamping groove (301) that fits with the edge of the PCB circuit board body (1), the mounting base (3) is provided with a mounting groove b (302) that communicates with the inner side of the clamping groove (301), the guide rod b (23) is arranged on the inner side of the mounting groove b (302), and the two push rods b (22) are both slidably mounted on the guide rod b (23), The spring d (24) is sleeved and installed in the middle part of the guide rod b (23), and the two wedge blocks b (221) are respectively connected to the outer ends of the two push rods b (22). The limit release assembly includes a push plate (20), two push rods a (21) and two wedge blocks a (211), wherein the push plate (20) is arranged on the outer side of the mounting base (3), the two push rods a (21) are connected to the push plate (20), the two push rods a (21) are movable through the ends of the mounting base (3), and the ends of the two push rods a (21) are arranged on the inner side of the mounting groove b (302) and are respectively connected to the two wedge blocks a (211).

3. A PCB board with a harness fixed thereto according to claim 2, characterized in that: An identification line a (261) is provided on the mounting base (3), and identification lines b (262) are provided at positions adjacent to the plurality of T-shaped holes (101) on the PCB circuit board body (1).

4. A PCB board with a harness fixed thereto according to claim 1, characterized in that: The elastic component comprises a guide rod a (181), a spring b (182) and a limit block (183), wherein the guide rod a (181) is vertically arranged on the inner side of the winding column (7), the connecting slider (9) is slidably arranged on the guide rod a (181), the limit block (183) is arranged on the upper end of the guide rod a (181), and the spring b (182) is sleeved and installed on the guide rod a (181).

5. A PCB board with a harness fixed thereto according to claim 1, characterized in that: The driving assembly comprises a rotating handle (171), a transmission shaft (172), a bevel gear (173) and a bevel gear disc (174); the transmission shaft (172) is rotatably mounted on the bottom cover (6); the inner and outer ends of the transmission shaft (172) are respectively connected to the bevel gear (173) and the rotating handle (171); the bevel gear disc (174) is mounted on the bottom end of the winding column (7); the bevel gear disc (174) is meshed with the bevel gear (173); and a plurality of vertical holes b (202) are provided on the wiring harness box (2) for the plurality of transmission shafts (172) to pass through.

6. A PCB board with a harness fixed thereto according to claim 1, characterized in that: Both sides of the lower ends of the plurality of vertical holes a (201) are provided with mounting grooves a (203), and a clamping assembly is installed inside the mounting grooves a (203), the clamping assembly comprising a clamping block (14), a telescopic shaft (191) and a spring c (192). The clamping block (14) is slidably arranged inside the mounting grooves a (203) and its end extends to the inner side of the vertical hole a (201). The clamping block (14) is connected to the inner wall of the mounting grooves a (203) through the telescopic shaft (191), and the spring c (192) is sleeved and installed on the telescopic shaft (191); and the plurality of clamping blocks (14) are connected to push blocks (25).

7. A PCB board with a harness fixed thereto according to claim 1, characterized in that: The winding post (7) is provided with a sliding hole for the connecting slider (9) to slide, and the winding post (7) is also provided with a plurality of through holes.

8. A PCB board with a harness fixed thereto according to claim 1, characterized in that: A plurality of strip-shaped holes (501) are provided on the mounting plate (5), and the plurality of strip-shaped holes (501) correspond one-to-one to the plurality of winding mechanisms.

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