CN215269336U - Jig for mounting shielding frame and circuit board assembly - Google Patents
Jig for mounting shielding frame and circuit board assembly Download PDFInfo
- Publication number
- CN215269336U CN215269336U CN202121034470.1U CN202121034470U CN215269336U CN 215269336 U CN215269336 U CN 215269336U CN 202121034470 U CN202121034470 U CN 202121034470U CN 215269336 U CN215269336 U CN 215269336U
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- shielding frame
- circuit board
- base
- gland
- mounting groove
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Abstract
The utility model discloses a tool and circuit board subassembly for shielding frame installation, wherein, the tool that is used for shielding frame installation is used for the installation of circuit board and shielding frame, and this tool includes: the shielding frame comprises a base, a shielding frame and a shielding frame, wherein the base is provided with a mounting groove which is configured to mount a circuit board, and the shielding frame is arranged on the circuit board; the gland, the gland lid is located the top of mounting groove, the gland with the base is connected to press from both sides circuit board and shielding frame clamp in between gland and the base, so that shielding frame and the inseparable butt of circuit board. The utility model discloses technical scheme can effectively restrain the shielding frame and be heated and take place to warp in the reflow soldering process to effectual shielding frame of avoiding appears floating height, bad phenomena such as empty solder in the reflow soldering process, improved the welding effect of shielding frame.
Description
Technical Field
The utility model relates to an electronic equipment technical field, in particular to tool and circuit board assembly for shielding frame installation.
Background
The shielding frame can be used for shielding electronic signals, and the welding is on the circuit board usually, because the shielding frame makes comparatively singly thin usually, receives the temperature influence easily during shielding frame reflow soldering to lead to warping for the shielding frame appears floating height easily in welding process, bad phenomena such as empty welding, thereby is difficult to guarantee the welding effect of shielding frame, from this, the more than problem of an urgent need development instrument solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tool for shielding frame installation, it takes place to warp to aim at restraining that the shielding frame is heated in the reflow soldering in-process to effectually avoid the shielding frame to appear floating height, bad phenomena such as empty welding in the reflow soldering in-process, improve the welding effect of shielding frame.
In order to achieve the above object, the utility model provides a tool for shielding frame installation, this tool is used for the installation of circuit board and shielding frame, and this tool includes:
the shielding frame comprises a base, a shielding frame and a shielding frame, wherein the base is provided with a mounting groove which is configured to mount a circuit board, and the shielding frame is arranged on the circuit board;
the gland, the gland lid is located the top of mounting groove, the gland with the base is connected to press from both sides circuit board and shielding frame clamp in between gland and the base, so that shielding frame and the inseparable butt of circuit board.
Optionally, be equipped with first magnetism spare on the base, first magnetism spare dodges the mounting groove setting, install on the gland with first magnetism spare complex second magnetism spare.
Optionally, the number of the first magnetic members is multiple, and the multiple first magnetic members are arranged on two opposite sides of the mounting groove on the base; and/or the presence of a gas in the gas,
the gland towards the mounting bar is installed to one side of base, the mounting bar quantity is two, locates the relative both sides of gland, two be equipped with in the mounting bar a plurality of with the second magnetism spare that first magnetism spare corresponds.
Optionally, the first magnetic member comprises a first magnet and the second magnetic member comprises a second magnet.
Optionally, a pressing part is arranged on one side of the gland facing the mounting groove, and the pressing part is configured to abut against the surface of the shielding frame facing the gland.
Optionally, the pressing member has elasticity.
Optionally, the gland includes a mounting surface, the number of the pressing members is plural, and the plural pressing members are distributed on the mounting surface.
Optionally, a positioning hole is formed in the gland, and a positioning pin is arranged on the base corresponding to the positioning hole; and/or the presence of a gas in the gas,
the base is provided with a fixing hole, and the pressing cover is provided with a fixing pin corresponding to the fixing hole.
Optionally, a limiting column is arranged in the mounting groove, and the limiting column is configured to be matched with a limiting hole in the circuit board.
The utility model also provides a circuit board assembly, including circuit board and shielding frame, circuit board and shielding frame are through using the aforesaid tool cooperation that is used for the shielding frame installation.
The utility model discloses technical scheme is through being provided with the mounting groove that can be used to installation circuit board and shield frame in the base, then be provided with the gland of being connected with the base again, the top of mounting groove is located to the gland lid, make people can be through the distance between the tank bottom of mounting groove in reasonable control gland and the base, with the relation of the thickness of circuit board and shield frame, make the gland be connected the back with the base, circuit board and shield frame press from both sides tightly between gland and base, make the inseparable butt of shield frame and circuit board, with the deformation space and the removal space of having restricted shield frame, thereby make the shield frame be difficult for receiving high temperature to influence and take place deformation and removal when carrying out reflow soldering, in order to avoid appearing floating height, bad phenomena such as empty solder, thereby the welding effect of shield frame has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 a schematic structural view of a base in a jig for mounting a shielding frame according to the present invention;
fig. 2 is a schematic structural view of a gland in the jig for mounting the shielding frame of the present invention;
fig. 3 is a schematic cross-sectional structural view of the mounting bar in the jig for mounting the shielding frame according to the present invention;
fig. 4 is the structural schematic diagram of the utility model used for the gland cover locates the base top in the tool of shielding frame installation.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | |
| 120 | First |
130 | |
| 140 | |
200 | |
| 210 | |
211 | |
| 220 | |
221 | Second |
| 222 | Threaded |
230 | Fixing pin |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, 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 motion situation, etc. in a specific posture (as shown in the drawings), 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 implicit ly 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific structure of the jig for shield mount mounting will be mainly described below.
Referring to fig. 1 to 4, in the embodiment of the present invention, the jig is used for mounting a circuit board and a shielding frame, and the jig includes:
a base 100, wherein a mounting groove 110 is arranged on the base 100, and the mounting groove 110 is configured to mount a circuit board and a shielding frame;
the gland 200 covers the mounting groove 110, the gland 200 is connected with the base 100 to clamp the shielding frame between the gland 200 and the base 100, so that the shielding frame is tightly abutted to the circuit board.
Specifically, in the present embodiment, the shape of the base 100 is various, and may be square, circular, oval, etc. in the present embodiment, the whole shape is taken as an example. The shape of the pressing cover 200 may be various, and may be square, circular, oval, etc. in the present embodiment, the whole shape is square, and corresponds to the whole shape of the base 100, so as to improve the regularity of the whole jig. The pressing cover 200 may be connected to the base 100 in various ways, such as a fastening connection, a snap connection, or mutually-matched magnetic members respectively disposed in the pressing cover 200 and the base 100, so that the pressing cover 200 and the base 100 can be mutually attracted and connected together by the magnetic force of the magnetic members. Specifically, in this embodiment, the base 100 is provided with a first magnetic member 120, the first magnetic member 120 is disposed to avoid the mounting groove 110, and the pressing cover 200 is provided with a second magnetic member 221 matched with the first magnetic member 120. The mounting groove 110 may be formed in the middle of the base 100, and the first magnetic member 120 may be formed at an end of the base 100, so that the circuit board and the shield frame are prevented from being influenced by magnetism of the magnetic member after being mounted in the mounting groove 110. Specifically, the first magnetic member 120 includes a first magnet, and the second magnetic member 221 includes a second magnet. In order to enhance the attraction force between the first magnetic member 120 and the second magnetic member 221, so that the base 100 and the cover 200 can be stably coupled together, in some embodiments, the number of the first magnetic members 120 is multiple, and multiple first magnetic members 120 are disposed on the base 100 on two opposite sides of the mounting groove 110. Specifically, the middle part of the base 100 is used for installing the shielding frame and the circuit board, and the two opposite ends are distributed with a plurality of first magnetic members 120 for being connected with the gland 200 in a magnetic attraction manner, so that the attraction area can be increased, the attraction force can be increased, and the whole fixture can be balanced and stable on the other hand, thereby being beneficial to improving the working stability of the fixture.
The top of mounting groove 110 is located to gland 200 lid to can be so that circuit board and shield frame be located between base 100 and gland 200, during specific application, through the distance between the tank bottom of reasonable control gland 200 and mounting groove 110 in the base 100, with the relation of the thickness of circuit board and shield frame, make gland 200 be connected the back with base 100, circuit board and shield frame press from both sides tightly between gland 200 and base 100, make shield frame and the inseparable butt of circuit board, in some embodiments, gland 200 face mounting bar 220 is installed to one side of base 100, mounting bar 220 quantity is two, locates the relative both sides of gland 200, two be equipped with a plurality of with the second magnetic part 221 that first magnetic part 120 corresponds in the mounting bar 220. Specifically, the mounting bar 220 is provided with a threaded hole 222, the mounting bar 220 is in screw connection with the gland 200, and the fixing pin 230 on the gland 200 passes through the mounting bar 220 and extends to the fixing hole 130 of the base 100. Thus, when the second magnetic member 221 on the mounting bar 220 is magnetically attracted to the first magnetic member 120 on the base 100, a gap is formed between the middle of the base 100 and the middle of the cover 200, and the thickness of the mounting bar 220 is reasonably set so that the height of the gap is equal to the height of the circuit board and the shielding frame protruding out of the mounting groove 110 after the circuit board and the shielding frame are installed in the mounting groove 110, so that the circuit board and the shielding frame can be just clamped by the cover 200 and the base 100 after the cover 200 and the base 100 are attracted and connected. In other embodiments, the depth of the mounting groove 110 may be set according to the thickness of the circuit board and the shielding rack, the circuit board and the shielding rack are completely installed in the mounting groove 110, and the circuit board and the shielding rack are just clamped by the cover 200 and the base 100 after the cover 200 is connected to the base 100 above the mounting groove 110. During operation, can set up the back on the circuit board with the shielding frame lid, pack into the mounting groove 110 of base 100 again together, then will press the lid 200 and couple together with base 100 again for circuit board and shielding frame are pressed from both sides tightly, put into reflow oven with tool and shielding frame and circuit board together again and carry out the reflow soldering work of shielding frame.
The embodiment of the utility model provides an in, through be provided with the mounting groove 110 that can be used to installation circuit board and shield frame in base 100, then be provided with the gland 200 of being connected with base 100 again, the top of mounting groove 110 is located to gland 200 lid, make people can be through the distance between the tank bottom of mounting groove 110 in reasonable control gland 200 and the base 100, with the relation of the thickness of circuit board and shield frame, make after gland 200 is connected with base 100, circuit board and shield frame press from both sides tightly between gland 200 and base 100, make the inseparable butt of shield frame and circuit board, with the deformation space and the removal space of having restricted shield frame, thereby make the shield frame be difficult for receiving high temperature to influence and take place deformation and removal when carrying out reflow soldering, in order to avoid appearing floating height, bad phenomena such as empty welding, thereby the welding effect of shield frame has been improved.
In some embodiments, in order to further improve the welding effect of the shielding frame, a pressing member 211 is disposed on a side of the pressing cover 200 facing the mounting groove 110, and the pressing member 211 is configured to abut against a surface of the shielding frame facing the pressing cover 200. The setting of pressing piece 211 for the shielding frame can directly be by the direct butt of pressing piece 211, thereby makes the shielding frame can tightly butt circuit board more, and difficult emergence displacement, and the better field of floating height, empty welding appear in the reflow soldering in-process of having avoided the shielding frame, improves the welding effect of shielding frame.
Further, the pressing member 211 has elasticity. In this embodiment, the pressing member 211 has elasticity, so that, on one hand, not only the shielding frame can be pressed, but also the shielding frame can be effectively prevented from being crushed or deformed by the pressing member 211, and the reliability of the pressing member 211 is improved; on the other hand, the jig has elasticity, so that the jig can be suitable for shielding frames and circuit boards with different thicknesses and also can be suitable for shielding frames and circuit boards with uneven thicknesses, and the applicability of the jig is improved.
In some embodiments, the pressing cover 200 includes a mounting surface 210, the pressing member 211 is plural in number, and the plural pressing members 211 are distributed on the mounting surface 210. The plurality of pressing pieces 211 are arranged, so that the contact area between the shielding frame and the pressing pieces can be increased, the plurality of pressing pieces 211 are arranged on the same installation surface 210, the height of each pressing piece 211 relative to the gland 200 can be unified, the pressing force of each pressing piece 211 on the shielding frame can be unified during specific use, the stress balance of the shielding frame is facilitated, the shielding frame can be abutted to the circuit board smoothly, deformation is not prone to occurring, and therefore the welding effect of the shielding frame is improved.
In order to improve the stability of the jig, in some embodiments, the pressing cover 200 is provided with positioning holes, and the base 100 is provided with positioning pins corresponding to the positioning holes; and/or, a fixing hole 130 is provided on the base 100, and a fixing pin 230 is provided on the gland 200 corresponding to the fixing hole 130. During specific use, can aim at the locating hole with the locating pin and/or aim at fixed orifices 130 with fixed pin 230, make gland 200 and base 100 be difficult for taking place to remove or rock after connecting, thereby the steadiness of tool has been improved, make the work that the tool can be stable, it is concrete, fixed orifices 130 quantity is two at least, for example can be four, even distribution is in the relative both sides of base 100, fixed pin 230 quantity and position correspond with fixed orifices 130, so further restricted the relative motion between gland 200 and base 100, the steadiness of tool has been improved, thereby the stability of tool work has further been improved.
In some embodiments, in order to facilitate the installation of the circuit board in the installation groove 110 and improve the convenience of the installation of the circuit board, a position-limiting column 140 is disposed in the installation groove 110, and the position-limiting column 140 is configured to cooperate with a position-limiting hole on the circuit board. During installation, the limiting hole in the circuit board is aligned to the limiting column 140 in the installation groove 110 for installation, so that the time for searching the installation angle is saved, the convenience for installing the circuit board is improved, and meanwhile, the accuracy for installing the circuit board is also improved.
The utility model also provides a circuit board assembly, this circuit board assembly include circuit board and shielding frame, circuit board and shielding frame are through using this tool cooperation that is used for the shielding frame installation, and the concrete structure of this tool refers to above-mentioned embodiment, because this circuit board assembly has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and here is no longer repeated.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides a tool for shielding frame installation which characterized in that, this tool is used for the installation of circuit board and shielding frame, and this tool includes:
the shielding frame comprises a base, a shielding frame and a shielding frame, wherein the base is provided with a mounting groove which is configured to mount a circuit board, and the shielding frame is arranged on the circuit board;
the gland, the gland lid is located the top of mounting groove, the gland with the base is connected to press from both sides circuit board and shielding frame clamp in between gland and the base, so that shielding frame and the inseparable butt of circuit board.
2. The fixture according to claim 1, wherein the base is provided with a first magnetic member, the first magnetic member is arranged to avoid the mounting groove, and the gland is provided with a second magnetic member cooperating with the first magnetic member.
3. The fixture according to claim 2, wherein the number of the first magnetic members is plural, and the plural first magnetic members are disposed on opposite sides of the mounting groove on the base; and/or the presence of a gas in the gas,
the gland towards the mounting bar is installed to one side of base, the mounting bar quantity is two, locates the relative both sides of gland, two be equipped with in the mounting bar a plurality of with the second magnetism spare that first magnetism spare corresponds.
4. The apparatus of claim 2, wherein the first magnetic member comprises a first magnet and the second magnetic member comprises a second magnet.
5. The jig of claim 1, wherein a pressing member is provided on a side of the gland facing the mounting groove, the pressing member being configured to abut against a surface of the shield frame facing the gland.
6. The jig of claim 5 wherein said pressing member is resilient.
7. The jig according to claim 5, wherein the pressing cover includes a mounting surface, the number of the pressing members is plural, and plural pressing members are distributed on the mounting surface.
8. The fixture according to claim 1, wherein the pressing cover is provided with positioning holes, and the base is provided with positioning pins corresponding to the positioning holes; and/or the presence of a gas in the gas,
the base is provided with a fixing hole, and the pressing cover is provided with a fixing pin corresponding to the fixing hole.
9. The fixture according to any one of claims 1-8, wherein a position-limiting post is disposed in the mounting groove, and the position-limiting post is configured to engage with a position-limiting hole on a circuit board.
10. A circuit board assembly comprising a circuit board and a shield frame which are engaged by using the jig for shield frame mounting according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121034470.1U CN215269336U (en) | 2021-05-14 | 2021-05-14 | Jig for mounting shielding frame and circuit board assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121034470.1U CN215269336U (en) | 2021-05-14 | 2021-05-14 | Jig for mounting shielding frame and circuit board assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215269336U true CN215269336U (en) | 2021-12-21 |
Family
ID=79455671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121034470.1U Active CN215269336U (en) | 2021-05-14 | 2021-05-14 | Jig for mounting shielding frame and circuit board assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215269336U (en) |
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2021
- 2021-05-14 CN CN202121034470.1U patent/CN215269336U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |