CN215898087U - Circuit board assembly and mounting jig - Google Patents
Circuit board assembly and mounting jig Download PDFInfo
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- CN215898087U CN215898087U CN202122130817.9U CN202122130817U CN215898087U CN 215898087 U CN215898087 U CN 215898087U CN 202122130817 U CN202122130817 U CN 202122130817U CN 215898087 U CN215898087 U CN 215898087U
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- circuit board
- mounting
- connecting cylinder
- peripheral wall
- board
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Abstract
The utility model discloses a circuit board assembly and an installation jig, wherein the circuit board assembly comprises a circuit board, the circuit board is provided with a first board surface and a second board surface which are oppositely arranged, and the circuit board is provided with a connecting hole which penetrates through the first board surface and the second board surface; the first connecting cylinder comprises a connecting part and a limiting part, the limiting part is connected with the connecting part, the peripheral wall of the limiting part protrudes out of the peripheral wall of the connecting part, the connecting part penetrates through the connecting hole, and the limiting part is abutted against the first plate surface; the second connecting cylinder is sleeved on the connecting part and is abutted against the second board surface of the circuit board, and the second connecting cylinder is fixedly matched with the connecting part so that the circuit board is clamped and fixed by the second connecting cylinder and the first connecting cylinder. The technical scheme of the utility model ensures the cleanliness and reliability of the circuit board assembly and improves the subsequent use reliability of the circuit board.
Description
Technical Field
The utility model relates to the technical field of electronic equipment, in particular to a circuit board assembly and an installation jig.
Background
The hollow connecting cylinder can be used for penetrating the circuit board to realize the communication between two board surfaces of the circuit board. In the prior art, the hollow connecting cylinder is usually welded and fixed on the circuit board in a welding mode, so that the problems of tin holes, flux residue and the like of the welded circuit board easily occur, the cleanliness of the circuit board is influenced, and the reliability of the circuit board is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a circuit board assembly, which aims to ensure that the cleanliness of a circuit board is not influenced and the subsequent use reliability of the circuit board is improved after a connecting cylinder is fixed on the circuit board.
To achieve the above object, the present invention provides a circuit board assembly comprising:
the circuit board is provided with a first board surface and a second board surface which are oppositely arranged, and the circuit board is provided with a connecting hole which penetrates through the first board surface and the second board surface;
the first connecting cylinder comprises a connecting part and a limiting part, the limiting part is connected with the connecting part, the peripheral wall of the limiting part protrudes out of the peripheral wall of the connecting part, the connecting part penetrates through the connecting hole from one side of the first plate surface, and the limiting part is abutted against the first plate surface;
the second connecting cylinder is sleeved on the connecting part from one side of the second board surface and is abutted against the second board surface of the circuit board, and the second connecting cylinder is fixedly matched with the connecting part so as to enable the circuit board to be clamped and fixed by the second connecting cylinder and the first connecting cylinder.
Optionally, the inner side wall surface of one end of the circuit board, which is far away from the second connecting cylinder, forms an avoiding inclined surface, and the avoiding inclined surface deviates from the second board surface.
The utility model further provides an installation jig which is used for installing the circuit board assembly and comprises a base, wherein the base is provided with a first installation position and a second installation position, the first installation position is located on the second installation position, the first installation position is used for installing the limiting part of the first connecting cylinder, and the second installation position is used for installing the circuit board.
Optionally, the first mounting portion includes a first mounting groove, and at least a portion of one end of the limiting portion, which is far away from the connecting portion, is fittingly inserted into the first mounting groove.
Optionally, the second mounting position includes a second mounting groove, the base is further provided with a hand fastening groove, and the hand fastening groove is communicated with the second mounting groove.
Optionally, the degree of depth of detaining the hand groove is greater than the degree of depth of second mounting groove, the tank bottom of second mounting groove has and is close to detain the side that adjoins of hand groove, the side that adjoins has seted up the groove of stepping down.
Optionally, the installation jig further comprises a pressing piece, the pressing piece comprises a connecting block and an extrusion head connected with the connecting block, and the extrusion head is used for extending into the connecting portion so as to press and fix the outer peripheral wall of the connecting portion towards the inner peripheral wall of the second connecting cylinder.
Optionally, the peripheral wall of the extrusion head is formed with a guide slope for guiding the extrusion head into the second connector barrel.
Optionally, the pressing piece further comprises a receiving column, one end of the receiving column is connected with the connecting block, and the other end of the receiving column is connected with the extrusion head.
Optionally, a guide pin is arranged on the base, the guide pin is arranged to avoid the first installation position and the second installation position, and a guide hole is formed in the connecting block of the pressing piece corresponding to the guide pin.
According to the technical scheme of the embodiment of the utility model, the second connecting cylinder is fixedly matched with the connecting part of the first connecting cylinder, so that the limiting part of the first connecting cylinder can be tightly abutted against the first plate surface of the circuit board to limit the relative movement of the first connecting cylinder and the circuit board, and meanwhile, the second connecting cylinder can be tightly abutted against the second plate surface of the circuit board to limit the relative movement of the second connecting cylinder and the circuit board.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of a circuit board assembly of the present invention;
FIG. 2 is a schematic structural view of a second connector barrel of the circuit board assembly from another perspective;
FIG. 3 is a schematic diagram of a partial cross-sectional structure of a circuit board assembly of the present invention;
FIG. 4 is a schematic top view of the base of the mounting fixture of the present invention;
fig. 5 is a schematic structural view of a view angle of the pressing member of the mounting jig of the present invention;
fig. 6 is a schematic structural view of another view angle of the pressing member of the installation jig of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
101 | Connecting |
| 110 | The |
120 | |
| 200 | First connecting |
210 | Connecting |
| 220 | Limiting |
300 | Second connecting |
| 310 | Avoiding |
400 | |
| 410 | |
420 | |
| 430 | |
440 | Abdicating |
| 450 | Guide pin | 500 | |
| 510 | |
520 | |
| 521 | |
530 | |
| 550 | Guide hole |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The specific structure of the circuit board assembly will be mainly described below.
Referring to fig. 1 to 6, in an embodiment of the present invention, the circuit board assembly includes:
the circuit board 100 is provided with a first board surface 110 and a second board surface 120 which are oppositely arranged, and the circuit board 100 is provided with a connecting hole 101 which penetrates through the first board surface 110 and the second board surface 120;
the first connecting cylinder 200, the first connecting cylinder 200 includes a connecting portion 210 and a limiting portion 220, the limiting portion 220 is connected to the connecting portion 210, a peripheral wall of the limiting portion 220 protrudes out of a peripheral wall of the connecting portion 210, the connecting portion 210 penetrates through the connecting hole 101 from one side of the first board surface 110, and the limiting portion 220 abuts against the first board surface 110;
the second connecting cylinder 300 is sleeved on the connecting portion 210 from one side of the second board surface 120, and abuts against the second board surface 120 of the circuit board 100, and the second connecting cylinder 300 is fixedly matched with the connecting portion 210, so that the circuit board 100 is clamped by the second connecting cylinder 300 and the first connecting cylinder 200.
Specifically, in this embodiment, the first board surface 110 and the second board surface 120 of the circuit board 100 may be respectively provided with electronic components, the first connecting cylinder 200 and the second connecting cylinder 300 are integrally formed in a cylindrical shape with a hollow middle portion, and after the second connecting cylinder 300 is fixedly matched with the connecting portion 210 of the first connecting cylinder 200, a communicating hole for communicating the first board surface 110 and the second board surface 120 of the circuit board 100 is formed between the second connecting cylinder 300 and the first connecting cylinder 200, so that the two board surfaces of the circuit board 100 are communicated with each other.
The second connecting cylinder 300 can be fixedly engaged with the connecting portion 210 in many ways, such as by screwing, snapping, and the like, and the outer peripheral wall of the connecting portion 210 and the inner peripheral wall of the second connecting cylinder 300 can be press-fitted and fixed together by using a tool, and the like.
In the technical solution of the embodiment of the present invention, by fixedly fitting the second connecting cylinder 300 to the connecting portion 210 of the first connecting cylinder 200, so that the position-limiting portion 220 of the first connecting cylinder 200 can be tightly abutted against the first board surface 110 of the circuit board 100 to limit the relative movement between the first connecting cylinder 200 and the circuit board 100, and at the same time, the second connector 300 can be tightly abutted against the second board surface 120 of the circuit board 100, so as to limit the relative movement between the second connector 300 and the circuit board 100, thereby fixing the first connector barrel 200 and the second connector barrel 300 to the circuit board 100, compared to fixing the connector barrels to the circuit board 100 by soldering, the bad problems caused by welding such as tin holes, scaling powder residue and the like after the circuit board 100 is welded can be avoided, the cleanliness and reliability of the circuit board 100 assembly are ensured, the subsequent use of the circuit board 100 is prevented from being influenced, and the service performance and reliability of the circuit board 100 assembly are improved.
In some embodiments, an inner sidewall surface of an end of the second connector barrel 300 away from the circuit board 100 forms an escape slope 310, and the escape slope 310 is disposed away from the second board surface 120. So set up for second connecting cylinder 300 keeps away from the space that the inside wall of the one end of circuit board 100 encloses to close and forms is great, provides bigger operating space for operator or fixing tool, so, can be more convenient and fast with second connecting cylinder 300 and the fixed cooperation of connecting portion 210 of first connecting cylinder 200.
The utility model further provides an installation jig for installing the circuit board 100 assembly, which includes a base 400, wherein the base 400 has a first installation position and a second installation position, the first installation position is located on the second installation position, the first installation position is used for installing the limiting portion 220 of the first connecting cylinder 200, and the second installation position is used for installing the circuit board 100. Specifically, the first connecting cylinder 200 can be installed on the first installation position by reasonably setting the position where the first installation position is located, and when the circuit board 100 is installed on the second installation position, the connecting portion 210 of the first connecting cylinder 200 just can penetrate through the connecting hole 101 of the circuit board 100. In this embodiment, the first mounting position and the second mounting position are provided with the first connecting cylinder 200 and the circuit board 100, which are beneficial to limiting and fixing, so that the second connecting cylinder 300 is conveniently and fixedly matched with the connecting portion 210 of the first connecting cylinder 200, and the stability of the first connecting cylinder 200 and the second connecting cylinder 300 mounted on the circuit board 100 is finally improved.
The first mounting position has many forms, and in some embodiments, the first mounting position includes a first mounting groove 410, and an end of the limiting portion 220 away from the connecting portion 210 is at least partially fitted into the first mounting groove 410. So, can effectual restriction spacing portion 220, make it difficult or even can not take place to rock and the displacement, improved first connecting cylinder 200 and circuit board 100 and second connecting cylinder 300 complex accuracy and steadiness.
The second mounting position may also have many forms, and in some embodiments, the second mounting position includes a second mounting groove 420, and a handle groove 430 is further disposed on the base 400, and the handle groove 430 is communicated with the second mounting groove 420. Similarly, the second mounting groove 420 can effectively limit the circuit board 100, so that the circuit board 100 is not easy to shake or even cannot shift, and the accuracy and stability of the matching of the circuit board 100 and the first connecting cylinder 200 and the second connecting cylinder 300 are improved. The handle slot 430 is provided for an operator to pull the side of the circuit board 100 mounted on the second mounting slot 420 through the handle slot 430, so as to facilitate the circuit board 100 to be taken and placed. Further, the depth of the handle fastening groove 430 is greater than that of the second mounting groove 420, the groove bottom of the second mounting groove 420 is provided with an adjacent side adjacent to the handle fastening groove 430, and the adjacent side is provided with a yielding groove 440. The arrangement of the yielding groove 440 provides a larger operation space for an operator, so that the operator can stretch into the yielding groove 440 through the handle groove 430 to pull the bottom of the circuit board 100 mounted on the second mounting groove 420, thereby facilitating the taking and placing of the circuit board 100.
In order to facilitate the fixed engagement of the second connecting cylinder 300 with the connecting portion 210 of the first connecting cylinder 200, in some embodiments, the mounting fixture further includes a pressing member 500, the pressing member 500 includes a connecting block 510 and a squeezing head 520 connected to the connecting block 510, and the squeezing head 520 is configured to extend into the connecting portion 210 to press the outer circumferential wall of the connecting portion 210 toward the inner circumferential wall of the second connecting cylinder 300. In practical application, the pressing member 500 may be connected to a pressing machine, such as a semi-automatic beer machine, and in operation, the pressing head 520 extends into the connecting portion 210 and presses the connecting portion 210, so that the outer peripheral wall of the connecting portion 210 deforms and extends outward to the inner peripheral wall of the second connecting cylinder 300, and is press-fitted and fixed with the second connecting cylinder 300, thereby achieving a fixed fit between the two.
Further, a guide slope 521 is formed on the peripheral wall of the extrusion head 520 to guide the extrusion head 520 toward the inside of the second connector 300. Particularly, extrusion head 520 can be the round platform shape, and its big footpath end is connected with connecting block 510, and the path end is outwards, and during the extrusion, the path end stretches into connecting portion 210 earlier, so sets up, can guide extrusion head 520 to stretch into connecting portion 210 gradually, has improved extrusion head 520 extrusion connecting portion 210's convenience to the working effect of extrusion head 520 has been improved. Further, the pressing member 500 further includes a receiving post 530, and one end of the receiving post 530 is connected to the connecting block 510, and the other end is connected to the extrusion head 520. The setting of the support post 530 can play the effect of buffering hardness for the extrusion head 520 to be favorable to guaranteeing the rigidity of extrusion head 520, make the extrusion head 520 non-deformable, thereby improve the stability of extrusion head 520.
In some embodiments, the base 400 is provided with a guide pin 450, the guide pin 450 is arranged to be offset from the first installation position and the second installation position, and the connecting block 510 of the pressing member 500 is provided with a guide hole 550 corresponding to the guide pin 450. During installation, the guide hole 550 of the pressing piece 500 can be aligned to the guide pin 450, so that the guide pin 450 penetrates through the guide hole 550, and the pressing piece 500 can move along the guide pin 450, so that the movement path of the pressing piece 500 can be limited, the pressing piece 500 can extrude the connecting part 210 according to a preset path, the working accuracy of the pressing piece 500 is improved, and the reliability of the fixed matching of the connecting part 210 and the second connecting cylinder 300 is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A circuit board assembly, comprising:
the circuit board is provided with a first board surface and a second board surface which are oppositely arranged, and the circuit board is provided with a connecting hole which penetrates through the first board surface and the second board surface;
the first connecting cylinder comprises a connecting part and a limiting part, the limiting part is connected with the connecting part, the peripheral wall of the limiting part protrudes out of the peripheral wall of the connecting part, the connecting part penetrates through the connecting hole from one side of the first plate surface, and the limiting part is abutted against the first plate surface;
the second connecting cylinder is sleeved on the connecting part from one side of the second board surface and is abutted against the second board surface of the circuit board, and the second connecting cylinder is fixedly matched with the connecting part so as to enable the circuit board to be clamped and fixed by the second connecting cylinder and the first connecting cylinder.
2. The circuit board assembly of claim 1, wherein an inner sidewall surface of an end of the second connector barrel remote from the circuit board forms an escape ramp surface, the escape ramp surface being disposed away from the second plate surface.
3. A mounting jig for mounting the circuit board assembly according to any one of claims 1-2, the mounting jig comprising a base, the base having a first mounting position and a second mounting position, the first mounting position being located on the second mounting position, the first mounting position being used for mounting the limiting portion of the first connecting cylinder, and the second mounting position being used for mounting the circuit board.
4. The mounting fixture according to claim 3, wherein the first mounting portion includes a first mounting groove, and an end of the limiting portion away from the connecting portion is at least partially fitted into the first mounting groove.
5. The mounting fixture according to claim 3, wherein the second mounting portion includes a second mounting groove, and the base further includes a handle fastening groove, and the handle fastening groove is communicated with the second mounting groove.
6. The mounting fixture of claim 5, wherein the depth of the handle slot is greater than the depth of the second mounting slot, the slot bottom of the second mounting slot has an adjacent side adjacent to the handle slot, and the adjacent side is provided with a relief slot.
7. The mounting jig according to claim 3, further comprising a pressing member including a connecting block and an extrusion head connected to the connecting block, the extrusion head being configured to extend into the connecting portion to press and fix an outer peripheral wall of the connecting portion toward an inner peripheral wall of the second connecting cylinder.
8. The mounting jig of claim 7 wherein the peripheral wall of the extrusion head is formed with a guide slope for guiding the extrusion head into the second connector barrel.
9. The mounting fixture of claim 8, wherein the pressing member further comprises a receiving post, one end of the receiving post is connected with the connecting block, and the other end of the receiving post is connected with the extrusion head.
10. The mounting jig according to claim 7, wherein a guide pin is provided on the base, the guide pin is provided so as to be offset from the first mounting position and the second mounting position, and a guide hole is provided in the connecting block of the pressing member corresponding to the guide pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122130817.9U CN215898087U (en) | 2021-09-06 | 2021-09-06 | Circuit board assembly and mounting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122130817.9U CN215898087U (en) | 2021-09-06 | 2021-09-06 | Circuit board assembly and mounting jig |
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| Publication Number | Publication Date |
|---|---|
| CN215898087U true CN215898087U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122130817.9U Active CN215898087U (en) | 2021-09-06 | 2021-09-06 | Circuit board assembly and mounting jig |
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| CN (1) | CN215898087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114760774A (en) * | 2022-03-14 | 2022-07-15 | 深圳市兆兴博拓科技股份有限公司 | Circuit board surface mounting process based on surface optimization and circuit board |
-
2021
- 2021-09-06 CN CN202122130817.9U patent/CN215898087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114760774A (en) * | 2022-03-14 | 2022-07-15 | 深圳市兆兴博拓科技股份有限公司 | Circuit board surface mounting process based on surface optimization and circuit board |
| CN114760774B (en) * | 2022-03-14 | 2024-05-10 | 深圳市兆兴博拓科技股份有限公司 | Circuit board surface mounting technology based on surface optimization and circuit board |
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