CN215499731U - Board card butt joint guide block, board card assembly and high-voltage frequency converter - Google Patents
Board card butt joint guide block, board card assembly and high-voltage frequency converter Download PDFInfo
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- CN215499731U CN215499731U CN202122004651.6U CN202122004651U CN215499731U CN 215499731 U CN215499731 U CN 215499731U CN 202122004651 U CN202122004651 U CN 202122004651U CN 215499731 U CN215499731 U CN 215499731U
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Abstract
The utility model discloses a board card butt joint guide block, a board card assembly and a high-voltage frequency converter. The board card butt joint guide block comprises a guide block main body; the second board to be connected is provided with a mounting hole matched with the connecting column; the first positioning boss is matched with the first positioning notch to limit the degree of freedom of the first to-be-connected plate clamped in the first direction and the second direction; the second positioning boss can limit the degree of freedom of the first plate to be connected clamped in the third direction; and the third positioning boss is matched with the second positioning notch to guide the movement of the first to-be-connected board clamped in the third direction. The board card butt joint guide block is used for positioning the first board card to be connected for three times through the first positioning boss, the second positioning boss and the third positioning boss, so that the alignment degree of a plug on the first board card to be connected and a socket on the second board card to be connected is improved, the phenomenon of bending deformation of pins is reduced, and the connection reliability is improved.
Description
Technical Field
The utility model relates to the technical field of board card butt joint, in particular to a board card butt joint guide block, a board card assembly and a high-voltage frequency converter.
Background
The power unit of the high-voltage frequency converter is composed of a plurality of PCB boards, and each PCB board is connected together through a plurality of plugs.
At present, when the PCB is in butt joint, because the plug and the socket are mostly arranged in a visual blind area, the precision of the relative position between the plug and the socket can not be ensured, the bending deformation phenomenon of the butt joint pins of the plug caused by the overlarge position deviation between the plug and the socket often occurs, and the reliability of the connection of the PCB and the plug is reduced.
Therefore, how to improve the reliability of the card plug connection is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a board-to-board mating guide block to improve the reliability of the connection of a board-to-board plug.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a board butt joint guide block for connect first board and the second board of waiting to connect, include:
a guide block main body;
the connecting column is arranged on the guide block main body, and a mounting hole capable of being matched with the connecting column is formed in the second board to be connected;
the first positioning boss is arranged at one end, far away from the connecting column, of the guide block main body, a first positioning notch capable of being matched with the first positioning boss is formed in the first board to be connected, the first positioning boss is matched with the first positioning notch to limit the degree of freedom of the first board to be connected in a first direction and a second direction, and guide the movement of the first board to be connected in a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other, and the first direction and the second direction can form a plane parallel to the plane of the second board to be connected;
the second positioning boss is positioned on one side, close to the connecting column, of the first positioning boss, when the second positioning boss is in a contact state with the first board to be connected, the first positioning boss is separated from the first positioning notch, and the second positioning boss is clamped with the first board to be connected, so that the degree of freedom of the first board to be connected in a third direction can be limited; and
set up in the third location boss of guide block main part, first treat be equipped with on the connecting plate can with third location boss aligns and complex second location breach, third location boss with when second location breach aligns, first treat the plug of connecting plate card with the socket of connecting plate card can align is treated to the second, third location boss with the cooperation of second location breach can restrict first treat the freedom of connecting plate card in first direction and second direction and right first treat the removal of connecting plate card in the third direction and lead.
Preferably, in the integrated circuit board butt joint guide block, the first positioning boss is a square body, and a chamfer is arranged at one end, far away from the connecting column, of the first positioning boss.
Preferably, in the board card docking guide block, a distance between an end surface of the first positioning boss on a side close to the connecting column and an end surface of the second positioning boss on a side close to the first positioning boss is greater than a thickness of the first board card to be connected.
Preferably, in above-mentioned integrated circuit board butt joint guide block, the second location boss be the square body with the third location boss is the square body, the second location boss with the third location boss sets gradually along the second direction, and the second location boss is kept away from the one end of spliced pole with the third location boss is kept away from the one end of spliced pole all is equipped with the chamfer.
Preferably, in the board card docking guide block, a groove is formed between the second positioning boss and the third positioning boss, and the first board card to be connected is provided with a protruding portion capable of being matched with the groove and a passing portion capable of allowing the second positioning boss to pass through.
Preferably, in the board card docking guide block, the height of the third positioning boss does not exceed the height of the second positioning boss.
Preferably, in the board card docking guide block, the connection column is cylindrical.
A board card assembly comprises a first board card main body and a second board card main body which are connected pieces;
the first board card main body is provided with a first positioning notch which can be matched with the first positioning boss of the board card butt-joint guide block, a contact part which is matched with the second positioning boss of the board card butt-joint guide block and a second positioning notch which is matched with the third positioning boss of the board card butt-joint guide block;
the second board card main body is provided with a mounting hole which can be matched with the connecting column of the board card butt joint guide block.
Preferably, in the card assembly, the first card main body further includes a passing portion through which the second positioning boss of the card docking guide block passes.
The utility model provides a high-voltage inverter, includes as above arbitrary the integrated circuit board dock guide block and as above arbitrary the integrated circuit board subassembly, integrated circuit board dock guide block can be right the first integrated circuit board main part of integrated circuit board subassembly with the butt joint of the second integrated circuit board main part of integrated circuit board subassembly is fixed a position and is led.
When the board card butt joint guide block provided by the utility model is used, the connecting column arranged on the guide block main body is arranged in the mounting hole of the second board card to be connected, so that the fixing of the board card butt joint guide block on the second board card to be connected is realized, then the first positioning boss is matched with the first positioning notch, the freedom degree of the first board card to be connected in the first direction and the second direction can be limited due to the matching of the first positioning boss and the first positioning notch, the movement of the first board card to be connected along the third direction is guided, the first direction, the second direction and the third direction are vertical in pairs, and the first direction and the second direction can form a plane parallel to the plane of the second board card to be connected, so that the matching of the first positioning boss and the first positioning notch can limit the movement of the first board card to be connected on the plane parallel to the second board card to be connected, and guide the movement of the first board card in the direction vertical to the plane of the second board card to be connected, realizing the first positioning of the first board card to be connected; the second positioning boss is positioned on one side, close to the connecting column, of the first positioning boss, so that the first board card to be connected can be contacted with the second positioning boss along with the fact that the first board card to be connected moves towards one side, close to the second board card to be connected, in the direction perpendicular to the plane direction of the second board card to be connected, and the first positioning boss is disengaged from the first positioning notch when the second positioning boss is in a contact state with the first board card to be connected, so that the limitation of the degree of freedom of the first board card to be connected in the first direction and the second direction is relieved, the degree of freedom in the third direction is limited, and the second positioning of the first board card to be connected is realized; at the moment, the first board to be connected is clamped to move along the first direction and the second direction, so that the third positioning lug boss is aligned with the second positioning notch, meanwhile, the plug of the first board card to be connected is aligned with the socket of the second board card to be connected, the plug of the first board card to be connected and the socket of the second board card to be connected are in a pre-connection state, the degree of freedom of the first board to be connected clamped in the first direction and the second direction is limited through the matching of the third positioning boss and the second positioning notch, so that the third positioning of the first board to be connected is realized, meanwhile, the movement of the first board to be connected, which is clamped by the first board to be connected, in the third direction close to the second board to be connected is guided by the matching of the third positioning boss and the second positioning notch until a plug on the first board to be connected is butted with a socket on the second board to be connected, so that the butting of the first board to be connected and the second board to be connected is completed. Therefore, the board card butting guide block provided by the utility model can be used for positioning the first board card to be connected for three times through the first positioning boss, the second positioning boss and the third positioning boss, so that the relative position precision between the first board card to be connected and the second board card to be connected is improved, the relative position deviation between the plug on the first board card to be connected and the socket on the second board card to be connected is reduced, the alignment degree between the plug on the first board card to be connected and the socket on the second board card to be connected is improved, the phenomenon of bending deformation of pins during plug butting is reduced, and the reliability of plug connection is improved.
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 drawings without creative efforts.
Fig. 1 is a schematic top view of a first board to be connected according to an embodiment of the present invention;
fig. 2 is a schematic top view of a second board to be connected according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a board card docking guide block according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the first card to be connected moving in the third direction according to the embodiment of the present invention;
fig. 5 is a schematic structural view illustrating a first to-be-connected board card moving along a third direction to contact with a second positioning boss according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the first board to be connected moving to the state where the third positioning boss is aligned with the second positioning notch according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first board to be connected and a second board to be connected, which are provided in the embodiment of the present invention after being butted.
Wherein 100 is the first integrated circuit board that waits to connect, 101 is first location breach, 102 is the second location breach, 103 is the bellying, 104 is the portion of passing through, 105 is the plug, 200 is the second and waits to connect the integrated circuit board, 201 is the mounting hole, 202 is the socket, 300 is the guide block main part, 400 is the spliced pole, 500 is the first location boss, 600 is the second location boss, 601 is the recess, 700 is the third location boss, X is first direction, Y is the second direction, Z is the third direction.
Detailed Description
In view of the above, the core of the present invention is to provide a board-to-board mating guide block to improve the reliability of the connection of the board-to-board plug.
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.
As shown in fig. 1 to 7, an embodiment of the present invention discloses a board-to-board docking guide block for connecting a first board 100 to be connected and a second board 200 to be connected, including a guide block main body 300, a connection column 400, a first positioning boss 500, a second positioning boss 600, and a third positioning boss 700.
The connecting column 400 is arranged on the guide block main body 300, and the second board card 200 to be connected is provided with a mounting hole 201 capable of being matched with the connecting column 400; the first positioning boss 500 is arranged at one end, far away from the connecting column 400, of the guide block main body 300, the first board card 100 to be connected is provided with a first positioning notch 101 capable of being matched with the first positioning boss 500, the first positioning boss 500 is matched with the first positioning notch 101 to limit the freedom degree of the first board card 100 to be connected in a first direction X and a second direction Y and guide the movement of the first board card 100 to be connected along a third direction Z, wherein the first direction X, the second direction Y and the third direction Z are vertical to each other, and the first direction X and the second direction Y can form a plane parallel to the plane of the second board card 200 to be connected; the second positioning boss 600 is located on one side of the first positioning boss 500 close to the connecting column 400, when the second positioning boss 600 is in a contact state with the first board card 100 to be connected, the first positioning boss 500 is disengaged from the first positioning notch 101, and the second positioning boss 600 can limit the degree of freedom of the first board card 100 to be connected in the third direction Z after contacting the first board card 100 to be connected; the third positioning boss 700 is arranged on the guide block main body 300, the first board to be connected is provided with a second positioning notch 102 which can be aligned and matched with the third positioning boss 700, when the third positioning boss 700 is aligned with the second positioning notch 102, the plug 105 of the first board to be connected 100 can be aligned with the socket 202 of the second board to be connected 200, and the third positioning boss 700 is matched with the second positioning notch 102 to limit the freedom degree of the first board to be connected 100 in the first direction X and the second direction Y and guide the movement of the first board to be connected 100 in the third direction Z.
When the board card butting guide block provided by the utility model is used, the connecting column 400 arranged on the guide block main body 300 is installed in the installation hole 201 of the second board card 200 to be connected, so that the fixing of the board card butting guide block on the second board card 200 to be connected is realized, then the first positioning boss 500 is matched with the first positioning notch 101, the first positioning boss 500 is matched with the first positioning notch 101 to limit the freedom degree of the first board card 100 to be connected in the first direction X and the second direction Y and guide the movement of the first board card 100 to be connected along the third direction Z, the first direction X, the second direction Y and the third direction Z are pairwise vertical, and the first direction X and the second direction Y can form a plane parallel to the plane of the second board card 200 to be connected, therefore, the first positioning boss 500 is matched with the first positioning notch 101 to limit the movement of the first board card 100 to be connected on the plane parallel to the second board card 200 to be connected, the movement of the first board card 100 to be connected in the direction perpendicular to the plane of the second board card 200 to be connected is guided, so that the first positioning of the first board card 100 to be connected is realized; because the second positioning boss 600 is located on the side of the first positioning boss 500 close to the connecting column 400, the first board card 100 to be connected can contact with the second positioning boss 600 as the first board card 100 to be connected moves to the side close to the second board card 200 in the direction perpendicular to the plane where the second board card 200 to be connected is located, and because the second positioning boss 600 is in the contact state with the first board card 100 to be connected, the first positioning boss 500 is disengaged from the first positioning notch 101, the limitation of the degree of freedom of the first board card 100 to be connected in the first direction X and the second direction Y is released, the limitation of the degree of freedom in the third direction Z is released, and the second positioning of the first board card 100 to be connected is realized; at this time, the first board card 100 to be connected is moved along the first direction X and the second direction Y, so that the third positioning boss 700 is aligned with the second positioning notch 102, meanwhile, the plug 105 of the first board card 100 to be connected is aligned with the socket 202 of the second board card 200 to be connected, the plug 105 of the first board card 100 to be connected and the socket 202 of the second board card 200 to be connected are in a pre-connection state, the degree of freedom of the first board card 100 to be connected in the first direction X and the second direction Y is limited by the cooperation of the third positioning boss 700 and the second positioning notch 102, so as to realize the third positioning of the first board card 100 to be connected, and meanwhile, the movement of the first board card 100 to be connected in the third direction Z toward the second board card 200 to be connected is guided by the cooperation of the third positioning boss 700 and the second positioning notch 102 until the plug 105 of the first board card 100 to be connected and the socket 202 of the second board card 200 to be connected are butted together, and completing the butt joint of the first board card 100 to be connected and the second board card 200 to be connected. Therefore, the board card docking guide block provided by the utility model positions the first board card 100 to be connected three times through the first positioning boss 500, the second positioning boss 600 and the third positioning boss 700, so that the relative position precision between the first board card 100 to be connected and the second board card 200 to be connected is improved, the relative position deviation between the plug 105 on the first board card 100 to be connected and the socket 202 on the second board card 200 to be connected is reduced, the alignment degree between the plug 105 on the first board card 100 to be connected and the socket 202 on the second board card 200 to be connected is improved, the bending deformation phenomenon of pins during plug docking is reduced, and the reliability of plug connection is improved.
It should be noted that, the included angle between the first direction X and the second direction Y is not specifically limited in the present invention, and as long as the included angle can meet the use requirement, the included angle is within the protection scope of the present invention, and preferably, the included angle between the first direction X and the second direction Y provided by the embodiment of the present invention is 90 °, and the first direction X, the second direction Y, and the third direction Z are perpendicular to each other in pairs.
In addition, the first positioning boss 500 may be a square body, a dovetail body, a trapezoid body, or the like, and any type that can meet the use requirement is within the scope of the present invention; preferably, the first positioning boss 500 provided in the embodiment of the present invention is a square body, so that the two mutually perpendicular side walls of the square body limit the degree of freedom of the first board card 100 to be connected in the first direction X and the second direction Y, and a chamfer is provided at one end of the first positioning boss 500 away from the connection column 400, so as to guide the insertion process of the first positioning notch 101 and the first positioning boss 500, and improve the smoothness of the matching between the first positioning notch 101 and the first positioning boss 500.
Moreover, the distance between the end surface of the first positioning boss 500 close to the connecting column 400 and the end surface of the second positioning boss 600 close to the first positioning boss 500 is greater than the thickness of the first board card 100 to be connected, so that when the first board card 100 to be connected and the second positioning boss 600 are in a contact state, the first positioning boss 500 and the first positioning notch 101 can be disengaged, and when the first board card 100 to be connected is prevented from moving along the first direction X and the second direction Y, the first positioning boss 500 interferes with the first board card 100 to be connected, and the first board card 100 to be connected cannot move to the position where the third positioning boss 700 and the second positioning notch 102 are aligned.
Similarly, the second positioning boss 600 and the third positioning boss 700 may be a square body, a dovetail body, or a trapezoid body, and the like, and all types that can meet the use requirement are within the protection scope of the present invention; preferably, the second positioning boss 600 and the third positioning boss 700 provided by the embodiment of the present invention are both square bodies, the second positioning boss 600 and the third positioning boss 700 are sequentially arranged along the second direction Y, and the end of the second positioning boss 600 far away from the connection column 400 and the end of the third positioning boss 700 far away from the connection column 400 are both provided with chamfers, so as to reduce the clamping stagnation between the second positioning boss 600 and the passage 104 and the clamping stagnation between the third positioning boss 700 and the second positioning notch 102, which are described below.
Further, a groove 601 is formed between the second positioning boss 600 and the third positioning boss 700, the first board card 100 to be connected is provided with a protruding portion 103 capable of being matched with the groove 601 and a passing portion 104 capable of enabling the second positioning boss 600 to pass through, so that the matching between the groove 601 and the protruding portion 103 is facilitated, the relative position accuracy of the first board card 100 to be connected and the second board card 200 to be connected is further improved, meanwhile, when the first board card 100 to be connected moves towards the second board card 200 to be connected along the third direction Z, the second positioning boss 600 can pass through the passing portion 104, interference between the second positioning boss 600 and the first board card 100 to be connected is prevented, the first board card 100 to be connected cannot move towards the direction close to the second board card 200 to be connected, and the butt joint between the first board card 100 to be connected and the second board card 200 to be connected is affected.
In addition, the height of the third positioning boss 700 provided by the utility model does not exceed the height of the second positioning boss 600, so that the first board card 100 to be connected cannot be contacted with the second positioning boss 600 due to the over-high height of the third positioning boss 700, and the positioning of the first board card 100 to be connected in the third direction Z by the second positioning boss 600 is prevented from being influenced.
The connecting column 400 provided by the utility model can be in a cylindrical shape, a square shape or a conical shape, and the like, and the connecting column is in the protection scope of the utility model as long as the connecting column can meet the use requirement; preferably, embodiments of the present invention provide a connecting column 400 that is cylindrical for ease of installation.
In addition, the utility model also discloses a board card assembly which comprises a first board card main body and a second board card main body which are used as connected pieces.
The first board card main body is provided with a first positioning notch 101 capable of being matched with the first positioning boss 500 of the board card docking guide block, a contact part matched with the second positioning boss 600 of the board card docking guide block and a second positioning notch 102 matched with the third positioning boss 700 of the board card docking guide block, so that the degree of freedom of the first board card main body in the first direction X and the second direction Y is limited through the matching of the first positioning notch 101 and the first positioning boss 500, the degree of freedom of the first board card main body in the third direction Z is limited through the matching of the contact part and the second positioning boss 600, and the degree of freedom of the first board card main body in the first direction X and the second direction Y is limited through the matching of the second positioning notch 102 and the third positioning boss 700, therefore, the first positioning notch 101, the second positioning notch 102, the third positioning notch and the third positioning boss are formed in the first board card main body, and the second positioning notch 102 are formed in the same manner, The contact part and the second positioning notch 102 realize tertiary positioning of the first board card main body, positioning accuracy is improved, the alignment degree of a plug of the first board card main body and a socket of the second board card main body is improved, the phenomenon of bending deformation of pins during plug butt joint is reduced, and the reliability of plug connection is improved.
Be equipped with in the second integrated circuit board main part can with as above arbitrary the spliced pole 400 complex mounting hole 201 of integrated circuit board butt joint guide block to fix the integrated circuit board butt joint guide block in the second integrated circuit board main part, lead and fix a position the removal of first integrated circuit board main part through integrated circuit board butt joint guide block, improve the alignment degree of the plug of first integrated circuit board main part and the socket of second integrated circuit board main part.
Further, the first board card main body is further provided with a passing portion 104 through which the second positioning boss 600 of the board card docking guide block passes, so that when the first board card main body moves towards the second board card main body under the guiding action of the third positioning boss 700, the first board card main body interferes with the board card docking guide block, and the plug of the first board card main body cannot be docked with the socket of the second board card main body.
In addition, the utility model also discloses a high-voltage frequency converter, which comprises the board card butt joint guide block and the board card assembly, wherein the board card butt joint guide block can be used for positioning and guiding the butt joint of the first board card main body of the board card assembly and the second board card main body of the board card assembly, so that all the technical effects of the board card butt joint guide block are achieved, and the details are not repeated herein.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a board butt joint guide block for connect first board and the second board of waiting to connect, its characterized in that includes:
a guide block main body;
the connecting column is arranged on the guide block main body, and a mounting hole capable of being matched with the connecting column is formed in the second board to be connected;
the first positioning boss is arranged at one end, far away from the connecting column, of the guide block main body, a first positioning notch capable of being matched with the first positioning boss is formed in the first board to be connected, the first positioning boss is matched with the first positioning notch to limit the degree of freedom of the first board to be connected in a first direction and a second direction, and guide the movement of the first board to be connected in a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other, and the first direction and the second direction can form a plane parallel to the plane of the second board to be connected;
the second positioning boss is positioned on one side, close to the connecting column, of the first positioning boss, when the second positioning boss is in a contact state with the first board to be connected, the first positioning boss is separated from the first positioning notch, and the second positioning boss is clamped with the first board to be connected, so that the degree of freedom of the first board to be connected in a third direction can be limited; and
set up in the third location boss of guide block main part, first treat be equipped with on the connecting plate can with third location boss aligns and complex second location breach, third location boss with when second location breach aligns, first treat the plug of connecting plate card with the socket of connecting plate card can align is treated to the second, third location boss with the cooperation of second location breach can restrict first treat the freedom of connecting plate card in first direction and second direction and right first treat the removal of connecting plate card in the third direction and lead.
2. A board card docking guide block according to claim 1, wherein the first positioning boss is a square body, and a chamfer is provided at an end of the first positioning boss remote from the connection post.
3. A board-to-board connection guide block according to claim 1, wherein a distance between an end surface of the first positioning boss on a side close to the connection column and an end surface of the second positioning boss on a side close to the first positioning boss is larger than a thickness of a first board to be connected.
4. A board card docking guide block as claimed in claim 1, wherein the second positioning boss is a square body and the third positioning boss is a square body, the second positioning boss and the third positioning boss are sequentially arranged along a second direction, and chamfers are arranged at both the end of the second positioning boss far away from the connecting column and the end of the third positioning boss far away from the connecting column.
5. A board card docking guide block according to claim 1, wherein a groove is formed between the second positioning boss and the third positioning boss, and a protruding portion capable of being fitted with the groove and a passing portion capable of passing the second positioning boss are provided on the first board card to be connected.
6. The board card docking guide of claim 1, wherein the third positioning boss is no greater in height than the second positioning boss.
7. The board docking guide of claim 1, wherein the connecting post is cylindrical.
8. A board card assembly is characterized by comprising a first board card main body and a second board card main body which are connected through a connector;
the first board main body is provided with a first positioning notch which can be matched with the first positioning boss of the board docking guide block in any one of claims 1 to 7, a contact part which is matched with the second positioning boss of the board docking guide block in any one of claims 1 to 7 and a second positioning notch which is matched with the third positioning boss of the board docking guide block in any one of claims 1 to 7;
the second board card main body is provided with a mounting hole which can be matched with the connecting column of the board card butt-joint guide block according to any one of claims 1 to 7.
9. The board assembly of claim 8, wherein the first board body further includes a passage portion through which the second positioning boss of the board docking guide passes.
10. A high-voltage inverter, comprising the board card docking guide block as claimed in any one of claims 1 to 7 and the board card assembly as claimed in any one of claims 8 to 9, wherein the board card docking guide block is capable of positioning and guiding the docking of the first board card main body of the board card assembly and the second board card main body of the board card assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122004651.6U CN215499731U (en) | 2021-08-24 | 2021-08-24 | Board card butt joint guide block, board card assembly and high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122004651.6U CN215499731U (en) | 2021-08-24 | 2021-08-24 | Board card butt joint guide block, board card assembly and high-voltage frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215499731U true CN215499731U (en) | 2022-01-11 |
Family
ID=79764631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122004651.6U Active CN215499731U (en) | 2021-08-24 | 2021-08-24 | Board card butt joint guide block, board card assembly and high-voltage frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215499731U (en) |
-
2021
- 2021-08-24 CN CN202122004651.6U patent/CN215499731U/en active Active
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