Auxiliary jig for obliquely installing PCB (Printed Circuit Board)

Abstract

The utility model discloses an auxiliary jig for obliquely installing a PCB, and relates to the technical field of PCB processing, the auxiliary jig for obliquely installing the PCB comprises a fixed base, a sliding device, a rotating block and a push plate, the fixed base is provided with a containing groove, the sliding device is located on one side of the containing groove and is in sliding connection with the fixed base, and the rotating block is located on the other side of the containing groove. The sliding device slides in the direction close to or away from the containing groove, the rotating block is located in a groove opening of the containing groove, the end, close to the sliding device, of the rotating block is rotationally connected with the sliding device, the end, away from the sliding device, of the rotating block forms an inclined face, and the included angle between the inclined face and the bottom wall of the containing groove is an obtuse angle. The push plate slides along the inclined surface to approach or leave the notch of the accommodating groove.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing, in particular to an auxiliary fixture for obliquely mounting PCB boards. Background Art

[0002] At present, in the assembly of electronic products, when assembling PCB boards into product shells, most of them still rely on manual assembly. When the product shell structure is relatively simple, the PCB board can be assembled by translating it in a straight line. At this time, manual assembly is desirable to a certain extent. However, when the product shell structure is relatively complex, there is a need to insert one end of the PCB board obliquely into the product shell first, and then rotate the PCB board to fit into the shell. That is, the PCB board needs to be rotated or rotated and translated at the same time to achieve installation, that is, the PCB board needs to be assembled in an oblique manner. At this time, the manual installation method has limitations. The force angle cannot be controlled during manual installation. When the force angle cannot be guaranteed to be parallel to the PCB board surface, the PCB board will bend and deform, which may easily cause damage to the PCB board, or generate stress and cause damage to the electronic components on the PCB board. At this time, the risk of damage to the workpiece by manual oblique installation is high. Utility Model Content

[0003] The main purpose of the utility model is to provide an auxiliary fixture for obliquely mounting PCB boards, aiming to reduce the damage rate of workpieces when obliquely mounting PCB boards.

[0004] To achieve the above-mentioned purpose, the obliquely mounted PCB board auxiliary fixture proposed by the present invention includes a fixed base, a sliding device, a rotating block and a push plate, the fixed base is provided with a receiving groove, the sliding device is located on one side of the receiving groove and is slidably connected to the fixed base, the sliding device slides in a direction approaching or away from the receiving groove, the rotating block is located at the notch of the receiving groove, the end of the rotating block close to the sliding device is rotatably connected to the sliding device, the end of the rotating block away from the sliding device is formed with an inclined surface, the angle between the inclined surface and the bottom wall of the receiving groove is an obtuse angle, the push plate is slidably connected to the inclined surface, and the push plate slides along the inclined surface to approach or away from the notch of the receiving groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] In order 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 use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0006] Figure 1This is a structural diagram of an embodiment of an auxiliary fixture for obliquely mounting PCB boards provided by the present invention;

[0007] Figure 2 for Figure 1 Exploded diagram of the structure of the auxiliary fixture for mid-angle PCB mounting;

[0008] Figure 3 for Figure 1 Schematic diagram of the structure of the auxiliary jig for mid-slant PCB installation after the PCB is installed;

[0009] Figure 4 for Figure 3 Top view of the auxiliary fixture for obliquely mounting PCB boards;

[0010] Figure 5 for Figure 4 Schematic diagram of the structure of the auxiliary jig for medium-slant PCB installation, taken along line A-A' before PCB installation.

[0011] Description of Figure Numbers:

[0012] 1000. Auxiliary fixture for inclined PCB board installation;

[0013] 1. Fixed base; 11. Fixed block; 11a. Accommodating slot; 12. Bottom plate; 121. Slide rail; 121a. Groove;

[0014] 2. Sliding device; 21. Sliding base; 21b. Sliding groove; 211. Rib; 22. Sliding block; 22a. Second threaded hole; 221. Second limiting screw;

[0015] 3. Rotating block; 3a. Limiting groove; 31. Inclined surface;

[0016] 4. Push the board;

[0017] 5. Stop block; 5a. First threaded hole; 51. First limit screw;

[0018] 6. Pressing plate; 61. Guide block; 611. Limiting protrusion;

[0019] 7. a first elastic member;

[0020] 8. a second elastic member;

[0021] 2000, product shell;

[0022] 3000, PCB board.

[0023] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0025] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0026] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0027] The utility model provides an auxiliary fixture 1000 for obliquely mounting a PCB board 3000.

[0028] See also Figure 1 、 Figure 2 and Figure 5In one embodiment of the present utility model, the auxiliary fixture 1000 for obliquely mounting a PCB board 3000 includes a fixed base 1, a sliding device 2, a rotating block 3 and a push plate 4. The fixed base 1 is provided with a receiving groove 11a, the sliding device 2 is located on one side of the receiving groove 11a and is slidably connected to the fixed base 1, the sliding device 2 slides in a direction approaching or away from the receiving groove 11a, the rotating block 3 is located at the notch of the receiving groove 11a, one end of the rotating block 3 close to the sliding device 2 is rotatably connected to the sliding device 2, and an inclined surface 31 is formed on the end of the rotating block 3 away from the sliding device 2, and the angle between the inclined surface 31 and the bottom wall of the receiving groove 11a is an obtuse angle. The push plate 4 is slidably connected to the inclined surface 31, and the push plate 4 slides along the inclined surface 31 to approach or move away from the notch of the receiving groove 11a.

[0029] In this embodiment, the product housing 2000 has a USB jack, and one end of the PCB 3000 is connected to a USB plug. The USB plug needs to be inserted diagonally into the USB jack, and then the PCB 3000 is rotated to flatten the housing. The top wall of the fixed base 1 defines a receiving groove 11a that is compatible with the product housing 2000. When the product housing 2000 is placed in the receiving groove 11a, the side of the product housing 2000 where the PCB 3000 is to be mounted faces the rotating block 3.

[0030] The sliding device 2 is provided on one side of the accommodating groove 11a, and the sliding device 2 is slidably connected to the fixed base 1 by means of a guide rail and a guide groove or a protrusion and a guide groove. For example, a guide rail is provided on the sliding device 2, and a guide groove adapted to the guide rail is provided on the fixed base 1. The guide groove points to the accommodating groove 11a, and the guide rail slides along the guide groove to drive the sliding device 2 close to or away from the accommodating groove 11a. The guide rail can be provided on a side wall of the sliding device 2 facing the fixed base 1, that is, on the bottom wall of the sliding device 2, and the guide groove can be provided on a side wall of the fixed base 1 facing the sliding device 2, that is, on the top wall of the fixed base 1. The guide rail can also be provided on the two opposite outer side walls of the sliding device 2. At this time, the fixed base 1 is correspondingly provided to face the two opposite sides of the sliding device 2. The outer wall is extended, and a guide groove adapted to the guide rail is provided on the extended portion. Similarly, in structures such as guide rails and guide grooves or protrusions and guide grooves, the positions of the guide rails and guide grooves can be interchanged, and the positions of the protrusions and guide grooves can be interchanged without affecting the guiding function of the sliding, which will not be described in detail later. For example, a protrusion is provided on the sliding device 2, and a guide groove adapted to the protrusion is provided on the fixed base 1. The guide groove points to the receiving groove 11a, and the protrusion slides along the guide groove to drive the sliding device 2 to approach or move away from the receiving groove 11a. For another example, a guide groove is provided on the sliding device 2, and a protrusion adapted to the guide groove is provided on the fixed base 1. For another example, a guide groove is provided on the sliding device 2, and a protrusion adapted to the protrusion is provided on the fixed base 1. Similarly, the sliding connection between the push plate 4 and the rotating block 3 can also be achieved in the above manner.

[0031] The rotating block 3 is hingedly connected to the top of the sliding device 2. This is achieved by providing a rotating shaft through the rotating block 3 and a sleeve disposed on the sliding device 2. The rotating shaft rotates through the sleeve, allowing the rotating block 3 to rotate about the shaft. At this point, the rotating block 3 is positioned above the notch of the receiving slot 11a. The rotating block 3 rotates about the shaft to move closer to or further away from the receiving slot 11a. To accommodate PCBs 3000 of varying lengths, the sliding device 2 can be pushed away from or toward the receiving slot 11a, thereby moving the rotating block 3 away from the receiving slot 11a. This allows the distance between the rotating block 3 and the end of the receiving slot 11a away from the rotating block 3 to be adjusted to accommodate PCBs 3000 of varying lengths.

[0032] When the PCB board 3000 needs to be installed, after placing the outer mouth of the product into the receiving groove 11a, rotate the rotating block 3 so that the rotating block 3 is close to the receiving groove 11a and is located at the notch of the receiving groove 11a. At this time, after pre-adjusting the position of the sliding device 2, the distance between the bottom end of the inclined surface 31 of the rotating block 3 and the end of the receiving groove 11a away from the rotating block 3 just meets the reserved length required for the installation of the PCB board 3000. Then, insert the USB plug on the PCB board 3000 obliquely into the USB jack of the product housing 2000. At this time, the end of the PCB board 3000 away from the USB plug is placed on the inclined surface 31 of the rotating block 3, and the push plate 4 is located at the end of the inclined surface 31 away from the accommodating groove 11a. At this time, push the push plate 4, the push plate 4 abuts against the PCB board 3000 and pushes the PCB board 3000 so that the USB plug is fully inserted into the USB jack. During this process, the PCB board 3000 gradually approaches the product housing 2000 along the inclined surface 31 until it is completely fitted with the product housing 2000, and the installation of the PCB board 3000 is completed.

[0033] The technical solution of the present invention is as follows: the product housing 2000 to be assembled is placed in the receiving groove 11a, the USB plug at one end of the PCB board 3000 is obliquely inserted into the USB socket of the product housing 2000, and the other end of the PCB board 3000 is obliquely pressed on the inclined surface 31 of the rotating block 3. There is an angle between the PCB board 3000 and the product housing 2000. By pressing the push plate 4, the PCB board 3000 is pushed along the inclined surface 31, so that the USB plug on the PCB board 3000 is completely inserted into the USB socket of the product housing 2000, and the PCB board 3000 is fit into the product housing 2000. In this way, both ends of the PCB board 3000 are subjected to force, and the force direction is parallel to the board surface, which can prevent the PCB board 3000 from bending and deformation, and reduce the damage rate of the workpiece when the PCB board 3000 is installed obliquely.

[0034] Further, see Figures 1 to 3 In one embodiment of the present utility model, the sliding device 2 includes a sliding base 21 and a slider 22. The sliding base 21 is detachably connected to the slider 22. The slider 22 is rotatably connected to the rotating block 3. The sliding base 21 is provided with a first matching portion, and the fixed base 1 is provided with a second matching portion that is slidably connected to the first matching portion. The first matching portion slides along the second matching portion to enable the sliding base 21 to slide in a direction close to or away from the accommodating groove 11a.

[0035] In this embodiment, to facilitate installation, the sliding device 2 is configured to consist of a relatively small sliding base 21 and a slider 22. The slider 22 and the sliding base 21 are detachably connected via screws or a snap-fit ​​structure. One of the first and second mating portions may be a guide rail and the other a guide groove, or one of the first and second mating portions may be a protrusion and the other a guide groove. For example, a guide rail or a protrusion may be provided on the bottom surface of the sliding base 21, and a guide groove adapted to the guide rail or protrusion may be provided on the top surface of the fixed base 1. The guide groove points toward the receiving groove 11a, and the guide rail or protrusion slides along the guide groove to drive the sliding base 21 toward or away from the receiving groove 11a. For another example, a guide rail or a protrusion is provided on the side of the sliding base 21, the fixed base 1 is provided to extend toward the side of the sliding base 21, and a guide groove adapted to the guide rail or the protrusion is provided on the extended portion, the guide groove pointing to the accommodating groove 11a, and the guide rail or the protrusion slides along the guide groove to drive the sliding base 21 closer to or away from the accommodating groove 11a.

[0036] Furthermore, in order to prevent the first matching portion from sliding too far, causing the first matching portion to separate from the second matching portion, thereby causing the sliding device 2 to separate from the fixed base 1, please refer to Figures 1 to 3 In one embodiment of the present invention, the auxiliary jig 1000 for obliquely mounting a PCB 3000 further includes a stopper 5 connected to the end of the second mating portion distal from the receiving slot 11a. In this embodiment, the stopper 5 is detachably connected to the fixed base 1 to facilitate mounting the sliding device 2 thereto and repair and replacement of the sliding device 2.

[0037] Further, see Figure 1 Figure 2 and Figure 5 In one embodiment of the present utility model, the stop block 5 is provided with a first threaded hole 5a and a first limiting screw 51. The first limiting screw 51 is passed through the first threaded hole 5a and is screwed to the inner wall of the first threaded hole 5a. The first limiting screw 51 abuts against the slider 22.

[0038] In this embodiment, the length of the first limit screw 51 on the side of the stop block 5 facing the accommodating groove 11a can be adjusted by tightening or loosening the first limit screw 51, thereby controlling the minimum distance that the slider 22 can approach the stop block 5. The ultimate goal is to adjust the distance between the rotating block 3 and the end of the accommodating groove 11a away from the rotating block 3 to adapt to PCB boards 3000 of different sizes.

[0039] Further, see Figures 1 to 3In one embodiment of the present invention, the slider 22 is provided with a second threaded hole 22a and a second limiting screw 221. The second limiting screw 221 is passed through the second threaded hole 22a and is screwed to the inner wall of the second threaded hole 22a. The second limiting screw 221 abuts against the fixed base 1.

[0040] In this embodiment, the length of the second limit screw 221 on the side of the slider 22 facing the accommodating groove 11a can be adjusted by tightening or loosening the second limit screw 221, thereby controlling the minimum distance that the slider 22 can approach the accommodating groove 11a. The ultimate goal is to further adjust the distance between the rotating block 3 and the end of the accommodating groove 11a away from the rotating block 3 to adapt to PCB boards 3000 of different sizes.

[0041] It should be pointed out that this embodiment can be combined with the previous embodiment, that is, while the first threaded hole 5a and the first limit screw 51 are provided on the stop plate, a second threaded hole 22a and a second limit screw 221 are also provided on the slider 22. By adjusting the first limit screw 51 and the second limit screw 221 at the same time, the slider 22 can be fixed to the fixed base 1, so that the slider 22 and the fixed base 1 are relatively stationary. In this way, when the obliquely mounted PCB board 3000 auxiliary fixture 1000 is dedicated to the installation of a certain model of PCB board 3000, that is, when there is no need to adjust the position of the sliding device 2, the first limit screw 51 and the second limit screw 221 are adjusted at the same time to fix the slider 22 to the fixed base 1 to prevent the slider 22 and the fixed base 1 from sliding relative to each other, and the distance between the rotating block 3 and the end of the accommodating groove 11a away from the rotating block 3 is fixed to be suitable for a certain model of PCB board.

[0042] Furthermore, in order to prevent the first mating portion from being separated from the second mating portion, please refer to Figures 1 to 3 In one embodiment of the present invention, the first matching portion is a slide groove 21b, and the side wall of the slide groove 21b is provided with a rib 211. The second matching portion is a slide rail 121, and the side wall of the slide rail 121 is provided with a groove 121a. The slide rail 121 is accommodated in the slide groove 21b and is slidably connected to the inner wall of the slide groove 21b. The rib 211 is accommodated in the groove 121a and is slidably connected to the inner wall of the groove 121a. In this embodiment, the first matching portion is a slide groove 21b, and the second matching portion is a slide rail 121. The slide rail 121 is accommodated in the slide groove 21b and is slidingly connected to the inner wall of the slide groove 21b, thereby realizing a sliding connection between the first matching portion and the second matching portion. Furthermore, a rib 211 is provided on the side wall of the slide groove 21b, and a groove 121a is provided on the side wall of the slide rail 121, which is slidably engaged in the groove 121a, thereby ensuring the sliding connection between the slide rail 121 and the slide groove 21b while preventing the slide rail 121 from detaching from the slide groove 21b.

[0043] Furthermore, in order to increase the contact area between the hand and the pressing plate when pressing the push plate 4, please refer to Figures 1 to 3 In one embodiment of the present invention, the auxiliary fixture 1000 for obliquely mounting the PCB board 3000 further includes a pressing plate 6, which is detachably connected to an end of the push plate 4 away from the accommodating groove 11a.

[0044] Further, see Figure 2 、 Figure 4 and Figure 5 In one embodiment of the present invention, the pressing plate 6 is detachably provided with a guide block 61, which is provided with a limiting protrusion 611. The rotating block 3 is provided with a limiting groove 3a, which extends in a direction parallel to the inclined surface 31. The limiting protrusion 611 is retained within the limiting groove 3a and slides along the inner wall of the limiting groove 3a to move closer to or away from the receiving groove 11a. In this embodiment, the extending direction of the limiting groove 3a is consistent with the sliding direction of the push plate 4. The limiting protrusion 611 is retained within the limiting groove 3a and slides along the limiting groove 3a, thereby guiding the sliding direction of the push plate 4 and, most importantly, preventing the push plate 4 from sliding too far and separating from the rotating block 3.

[0045] Further, see Figures 1 to 3 In one embodiment of the present invention, the auxiliary jig 1000 for obliquely mounting a PCB board 3000 further includes a first elastic member 7 connecting the sliding device 2 and the fixed base 1, and / or the auxiliary jig 1000 for obliquely mounting a PCB board 3000 further includes a second elastic member 8 connecting the push plate 4 and the rotating block 3. In this embodiment, the first elastic member 7 enables automatic reset of the sliding device 2, and the second elastic member 8 enables automatic reset of the push plate 4. The first elastic member 7 and the second elastic member 8 can be springs, spring clips, or the like.

[0046] Further, in order to facilitate the processing and installation of the fixed base 1, please refer to Figures 1 to 3 In one embodiment of the present invention, the fixed base 1 includes a bottom plate 12 and a fixed block 11. The bottom plate 12 is detachably connected to the fixed block 11. The fixed block 11 is formed with the receiving groove 11a. The sliding device 2 is slidably connected to the bottom plate 12. The bottom plate 12 is a plate-like structure, and the fixed block 11 is a block-like structure. The receiving groove 11a is formed in the fixed block 11. The fixed block 11 and the bottom plate 12 are detachably connected by screws or a clamping structure.

[0047] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An auxiliary fixture for obliquely mounting PCB boards, characterized in that: The auxiliary fixture for obliquely mounting the PCB board includes: A fixed base, wherein the fixed base is provided with a receiving groove; a sliding device, the sliding device being located at one side of the receiving groove and being slidably connected to the fixed base, the sliding device sliding in a direction approaching or away from the receiving groove; a rotating block, the rotating block being located at a notch of the receiving slot, the end of the rotating block close to the sliding device being rotatably connected to the sliding device, the end of the rotating block away from the sliding device being formed with an inclined surface, and the angle between the inclined surface and the bottom wall of the receiving slot being an obtuse angle; A push plate is slidably connected to the inclined surface, and the push plate slides along the inclined surface to approach or move away from the notch of the accommodating groove.

2. The auxiliary fixture for obliquely mounting PCB boards according to claim 1, characterized in that: The sliding device includes a sliding base and a slider, the sliding base is detachably connected to the slider, and the slider is rotatably connected to the rotating block; The sliding base is provided with a first matching portion, and the fixed base is provided with a second matching portion slidably connected to the first matching portion. The first matching portion slides along the second matching portion to enable the sliding base to slide in a direction close to or away from the accommodating groove.

3. The auxiliary fixture for obliquely mounting PCB boards according to claim 2, characterized in that: The auxiliary fixture for obliquely mounting a PCB board further includes a stop block connected to an end of the second matching portion away from the accommodating groove.

4. The auxiliary fixture for obliquely mounting PCB boards according to claim 3, characterized in that: The stop block is provided with a first threaded hole and a first limiting screw. The first limiting screw is passed through the first threaded hole and is threadedly connected to the inner wall of the first threaded hole. The first limiting screw abuts against the sliding block.

5. The auxiliary fixture for obliquely mounting PCB boards according to claim 2, characterized in that: The sliding block is provided with a second threaded hole and a second limiting screw. The second limiting screw is passed through the second threaded hole and is threadedly connected to the inner wall of the second threaded hole. The second limiting screw is in contact with the fixed base.

6. The auxiliary fixture for obliquely mounting PCB boards according to claim 2, characterized in that: The first matching part is a slide groove, the side wall of which is provided with ribs, and the second matching part is a slide rail, the side wall of which is provided with grooves; The slide rail is accommodated in the slide groove and is slidably connected to the inner wall of the slide groove. The rib is accommodated in the groove and is slidably connected to the inner wall of the groove.

7. The auxiliary jig for obliquely mounting PCB boards according to any one of claims 1 to 6, characterized in that: The auxiliary fixture for obliquely mounting the PCB board further includes a pressing plate, which is detachably connected to an end of the push plate away from the accommodating groove.

8. The auxiliary fixture for obliquely mounting PCB boards according to claim 7, characterized in that: The pressing plate is detachably provided with a guide block, and the guide block is convexly provided with a limiting protrusion; The rotating block is provided with a limiting groove, and the extending direction of the limiting groove is parallel to the inclined surface; The limiting protrusion is limited in the limiting groove and slides along the inner wall of the limiting groove to approach or move away from the accommodating groove.

9. The auxiliary jig for obliquely mounting PCB boards according to any one of claims 1 to 6, characterized in that: The auxiliary fixture for obliquely mounting a PCB board further includes a first elastic member, the first elastic member connecting the sliding device and the fixed base; And / or, the obliquely mounted PCB auxiliary fixture further includes a second elastic member, which connects the push plate and the rotating block.

10. The auxiliary jig for obliquely mounting PCB boards according to any one of claims 1 to 6, characterized in that: The fixed base includes a bottom plate and a fixed block. The bottom plate is detachably connected to the fixed block. The fixed block is formed with the accommodating groove. The sliding device is slidably connected to the bottom plate.

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