CN211297408U - Reinforcing device capable of directly locking circuit board outside box - Google Patents
Reinforcing device capable of directly locking circuit board outside box Download PDFInfo
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- CN211297408U CN211297408U CN201922041853.0U CN201922041853U CN211297408U CN 211297408 U CN211297408 U CN 211297408U CN 201922041853 U CN201922041853 U CN 201922041853U CN 211297408 U CN211297408 U CN 211297408U
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- circuit board
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- assembly
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Abstract
The utility model discloses a reinforcing apparatus of case outer direct locking circuit board, including upper and lower two sets of the same circuit board reinforcing mechanism, each circuit board reinforcing mechanism includes wedge locking Assembly, universal drive assembly and locking drive assembly, and upper and lower wedge locking Assembly locates the upper and lower border of a circuit board side in the box, and upper and lower locking drive assembly sets up in the upper and lower position of facelet, the facelet is installed in the front shroud counter sink of box, and the facelet links to each other through the screw with the circuit board and is the whole module of hard joint. The wedge-shaped locking assembly and the locking driving assembly are connected into a movable connection through the universal transmission assembly. The utility model discloses need not to dismantle the plug that the front shroud can wholly accomplish the circuit board to by directly locking or unblock circuit board outside the box through circuit board strengthening mechanism, realize reliable reinforcement and then improve complete machine shock-resistant vibration ability to the circuit board, have compact structure, assemble characteristics simple, simple operation.
Description
Technical Field
The utility model relates to an electronic equipment specifically is a reinforcing apparatus of circuit board can directly be locked outside case.
Background
When the electronic equipment is applied to application fields with strict requirements on vibration and impact resistance, such as vehicles, aircrafts and the like, corresponding requirements are also provided for the convenience of equipment maintenance.
The existing electronic equipment cabinet circuit board reinforcing method and installation process generally include the following two methods:
1. the edge of the circuit board is inserted into the clamping groove of the box body, the metal plate connected with one end of the circuit board is fixed in the case through the cross-shaped groove screw, then the related wiring harness is inserted, and then the integrated front cover plate is installed.
2. The circuit board is fixed by mutually extruding a wedge-shaped locking strip arranged on the circuit board and a guide rail groove of the box body, then a related wire harness is inserted, and then an integral front cover plate is arranged.
In the two modes, the front cover plate or the top cover plate needs to be disassembled, and the circuit board needs to be disassembled and taken out for maintenance after the relevant wiring harness is pulled out, and particularly, the disassembly and assembly convenience is greatly reduced under the condition that more wiring harnesses need to be plugged; in addition, a gap exists between the circuit board and the clamping groove in the installation mode 1, the circuit board and the clamping groove are not completely clamped, and the vibration and impact resistance is poor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to solve the technical problem that a accomplish the reinforcing apparatus that can directly lock the circuit board outside the case of circuit board locking outside the box has been proposed.
The reinforcing device capable of directly locking the circuit board outside the box, which can solve the technical problems, comprises an upper set of circuit board reinforcing mechanism and a lower set of circuit board reinforcing mechanism which are the same, wherein each circuit board reinforcing mechanism comprises a wedge-shaped locking component, a universal transmission component and a locking driving component, the upper wedge-shaped locking component and the lower wedge-shaped locking component are arranged at the upper edge and the lower edge of one side surface of the circuit board in the box, the upper locking driving component and the lower locking driving component are arranged at the upper part and the lower part of a small panel, the small panel is arranged in a counter bore platform of a front cover plate of the box, the small panel is in hard connection with the circuit board through screws, the small panel and the circuit board are connected into an integral module, the integral plugging and unplugging of the small panel and the circuit board can be realized, the wedge-shaped locking components and the locking driving components of each set of circuit board, wherein:
1. each wedge locking subassembly is including installing the fixed voussoir on the circuit board and locating the preceding movable voussoir and the back movable voussoir of fixed voussoir preceding, rear end, the front end of the locking axle in the fixed voussoir runs through in the unthreaded hole of preceding movable voussoir, and the rear end of locking axle fits the screw hole of back movable voussoir soon, and the fitting surface between fixed voussoir and preceding movable voussoir, back movable voussoir can make the wedge face that preceding movable voussoir, back movable voussoir transversely moved under the locking axle drive.
2. Each universal transmission assembly comprises a front universal cross shaft and a rear universal cross shaft which are connected through a middle shaft, and the rear universal cross shaft is connected with the front end of a locking shaft.
3. Each locking driving assembly comprises a square flange or a circular flange arranged on the small panel, a driving shaft is arranged in a shaft sleeve at the rear end of the flange or a bearing seat at the rear end of the flange through a bearing, the rear end of the driving shaft is connected with a front universal cross shaft, and the front end of the driving shaft provided with a wrench position extends out of the central hole of the flange or the front end of the driving shaft provided with a hexagon socket is arranged in the central hole of the flange.
Conventionally, the box is provided with the polylith circuit board transversely side by side the equidistance in the box.
The circuit board is optimized to be four.
Furthermore, the upper edge, the lower edge, the upper wedge-shaped locking assembly and the lower wedge-shaped locking assembly of the circuit board are arranged in an upper sliding groove and a lower sliding groove which are correspondingly arranged in the box body.
The utility model has the advantages that:
1. use the utility model discloses reinforcing apparatus need not to dismantle front shroud or lamina tecti, also need not to pull out the pencil that the connector on circuit board and the small panel of locating links to each other, can wholly accomplish the plug of circuit board, small panel to directly accomplish the locking or the unblock action to the circuit board outside the box.
2. Compare with the mode of tradition reinforcing circuit board at quick-witted incasement portion, especially at on-vehicle, machine electronic equipment such as machine, not only require the circuit board to consolidate and improve complete machine shock-resistant vibration ability, but also will have the application field of higher requirement to the maintenance convenience, the utility model discloses fine using value has.
3. The utility model discloses in the structure, universal drive assembly can clear up because of locking the locking axle position change of consolidating the wedge locking Assembly that leads to, can make the locking axle of wedge locking Assembly, universal drive assembly's jackshaft, the drive shaft of locking drive assembly realize the connection transmission on the three-dimensional space.
4. The utility model discloses compact structure, assembly are simple, the simple operation, make the overall arrangement of the panel device on the circuit board and have more the flexibility in the inside line of walking of box, can realize having improved the complete machine shock-resistant vibration ability to the reliable reinforcement of circuit board.
5. The utility model discloses in the structure, wedge locking Assembly, universal drive assembly and the locking drive assembly preparation processing that adopts are simple, adopt the modular structure design, and the commonality is better and locking torque transmission and circuit board reinforcement are reliable, have higher price/performance ratio.
Drawings
Fig. 1 is an assembly diagram of a typical application of an embodiment of the present invention.
Fig. 2 is an isometric view of the circuit board reinforcement mechanism of the embodiment of fig. 1.
FIG. 3 is an isometric view of the universal drive assembly of FIG. 2.
FIG. 4 is an isometric view of the wedge-shaped locking assembly of FIG. 2.
FIG. 5 is an isometric view of the lock drive assembly of FIG. 2.
And (3) identifying the figure number: 1. a circuit board; 2. a wedge-shaped locking assembly; 2-1, fixing a wedge block; 2-2, moving the wedge block forwards; 2-3, moving the wedge block backwards; 2-4, a locking shaft; 3. a universal drive assembly; 3-1, intermediate shaft; 3-2, a front universal cross shaft; 3-3, a rear universal cross shaft; 4. locking the driving assembly; 4-1, a square flange plate; 4-2, a driving shaft; 4-3, bearing seats; 4-4, a bearing; 4-5, inner hexagonal holes; 4-6, a threaded retainer ring; 5. a small panel; 6. a box body; 6-1, a front cover plate; 6-1-1, counter bore platform; 6-2, a lower sliding groove; 7. Circuit board strengthening mechanism.
Detailed Description
The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.
The utility model discloses a reinforcing apparatus of circuit board that can directly lock outside case, include the circuit board reinforcing mechanism 7 that locks each circuit board 1 that sets up in the box 6 of on-vehicle or machine-carried electronic equipment, box 6 is the rectangle hexahedron, and the front end of box 6 is uncovered and is sealed by front shroud 6-1 (screw installation is connected), and four longitudinal (preceding, back) circuit boards 1 equidistance horizontal vertical setting is in box 6, and the upper and lower edge of each circuit board 1 slides and arranges in the upper sliding tray and the lower sliding tray 6-2 that set up correspondingly in box 6, and rectangular counter sink 6-1-1 (length direction is upper and lower direction) has been seted up on front shroud 6-1 corresponding to each circuit board 1, is equipped with the little panel 5 of matcing with it (using the screw connection) to correspond to each counter sink 6-1-1, a boss is arranged on one side face, opposite to the circuit board 1, of the small panel 5, three threaded holes are formed in the boss, and the three threaded holes correspond to three unthreaded holes formed in the front edge of the circuit board 1, as shown in fig. 1.
An upper set and a lower set of identical circuit board reinforcing mechanisms 7 are arranged corresponding to each circuit board 1 and each small panel 5, each set of circuit board reinforcing mechanism 7 comprises a wedge-shaped locking component 2, a universal transmission component 3 and a locking driving component 4, the upper wedge-shaped locking component 2 and the lower wedge-shaped locking component 2 are arranged on the upper edge and the lower edge of one side face of the circuit board 1 and are arranged in corresponding sliding grooves, and the upper locking driving component 4 and the lower locking driving component 4 are arranged on the upper portion and the lower portion of the small panel 5; the small panel 5 is arranged in a counter bore table 6-1-1 of a front cover plate 6-1 of the box body 6, the front side of the circuit board 1 is fixed on a boss of the small panel 5 by three screws, so that the circuit board 1 and the small panel 5 are connected into a hard-connected integral module, and the wedge-shaped locking assembly 2 and the locking driving assembly 4 of each set of circuit board reinforcing mechanism 7 are connected into a movable connection by a universal transmission assembly 3, as shown in fig. 1 and 2.
Each wedge-shaped locking component 2 comprises a middle long-strip-shaped (front and back direction) fixed wedge block 2-1 (which is arranged on a circuit board 1 by using screws) and a front moving wedge block 2-2 and a back moving wedge block 2-3 which are arranged at the front end and the back end of the fixed wedge block 2-1, the matching surface of the front moving wedge block 2-2 and the fixed wedge block 2-1 is a vertical wedge surface (inclined towards the right back side), the matching surface of the back moving wedge block 2-3 and the fixed wedge block 2-1 is also a vertical wedge surface (inclined towards the right front side), a front locking shaft 2-4 and a back locking shaft 2-4 are arranged in the fixed wedge block 2-1, the front moving wedge block 2-2 (through a unthreaded hole) is sleeved at the front end of the locking shaft 2-4, the back moving wedge block 2-3 (through a threaded hole) is screwed on a rear end thread of the, the locking shaft 2-4 is rotated to drive the front movable wedge 2-2 and the rear movable wedge 2-3 to shift right and transversely, as shown in fig. 2 and 4.
Each universal transmission component 3 comprises a front universal cross shaft 3-2 and a rear universal cross shaft 3-3 which are connected through an intermediate shaft 3-1, and the front end of a locking shaft 2-4 penetrates through a smooth hole of a front movable wedge block 2-2 to be connected with the rear universal cross shaft 3-3, as shown in figures 2 and 3.
Each locking driving component 4 comprises a square flange plate 4-1 which is arranged on a corresponding flange hole on a small panel 5 by using a screw, a through hole (central hole) is arranged in the middle of the square flange plate 4-1, a bearing seat 4-3 is coaxially arranged at the rear end of the square flange plate 4-1, a driving shaft 4-2 is arranged in the bearing seat 4-3 through a bearing 4-4, the bearing 4-4 is limited by an axial step of the driving shaft 4-2 and a threaded retainer ring 4-6, the front end of the driving shaft 4-2 extends out of the bearing seat 4-3 and is arranged in the through hole of the square flange plate 4-1, an inner hexagonal hole 4-5 is inwards arranged on the front end surface of the driving shaft 4-2, the rear end of the driving shaft 4-2 extends out of the bearing seat 4-3 and is connected with a front universal cross shaft, as shown in fig. 2 and 5.
The use method of the present invention is described by taking the plugging and locking actions of the circuit board 1 at the right outer side (right side seen from back to front) in fig. 1 as an example:
1. outside the box body 6, the upper and lower sets of circuit board reinforcing mechanisms 7, the circuit board 1 and the small panel 5 are assembled into an integral module through screws.
2. Inserting the assembled integral module into corresponding upper sliding grooves and lower sliding grooves 6-2 in the box body 6 from a right outer side counter sink table 6-1-1 on the front cover plate 6-1; when the circuit board 1 is inserted in place (boss limit), the small panel 5 is fixed on the front cover plate 6-1 by using screws, and the front movable wedge 2-2 and the rear movable wedge 2-3 do not have transverse offset relative to the fixed wedge 2-1.
3. The driving shaft 4-2 is rotated by an inner hexagonal wrench tool, the driving shaft 4-2 drives the locking shaft 2-4 to rotate through the universal transmission assembly 3, the locking shaft 2-4 drives the front moving wedge 2-2 and the rear moving wedge 2-3 to synchronously and transversely shift opposite to the fixed wedge 2-1 and tightly press the right groove walls of the upper sliding groove and the lower sliding groove 6-2, so that gaps among the circuit board 1 and the upper sliding groove and the lower sliding groove 6-2 are eliminated, and the aim of locking the circuit board 1 is fulfilled.
4. On the contrary, the driving shaft 4-2 is rotated reversely by the socket head wrench tool, the front moving wedge 2-2 and the rear moving wedge 2-3 are driven by the universal transmission component 3 to synchronously and transversely shift relative to the fixed wedge 2-1, so that the locking of the circuit board 1 can be released, and after the assembled integral module is pulled out from the box body 6, the circuit board 1 can be conveniently and quickly maintained and overhauled.
Claims (4)
1. The reinforcing device comprises an upper circuit board reinforcing mechanism (7) and a lower circuit board reinforcing mechanism (7) which are the same, wherein each circuit board reinforcing mechanism (7) comprises a wedge-shaped locking assembly (2), a universal transmission assembly (3) and a locking driving assembly (4), the upper wedge-shaped locking assembly (2) and the lower wedge-shaped locking assembly (4) are arranged at the upper edge and the lower edge of one side surface of a circuit board (1) in a box body (6), the upper locking driving assembly (4) and the lower locking driving assembly (4) are arranged at the upper part and the lower part of a small panel (5), the small panel (5) is arranged in a counter bore platform (6-1-1) of a front cover plate (6-1) of the box body (6), the small panel (5) is connected with the circuit board (1) through screws to form a hard connection, the small panel (5) is connected with the circuit board (1) to form an integral module, and the wedge-shaped locking assemblies (2) and the locking driving assemblies (4) of each circuit Is a movable connection, wherein:
each wedge-shaped locking assembly (2) comprises a fixed wedge block (2-1) arranged on the circuit board (1) and a front moving wedge block (2-2) and a rear moving wedge block (2-3) which are arranged at the front end and the rear end of the fixed wedge block (2-1), the front end of a locking shaft (2-4) in the fixed wedge block (2-1) penetrates through an optical hole of the front moving wedge block (2-2), the rear end of the locking shaft (2-4) is screwed in a threaded hole of the rear moving wedge block (2-3), and matching surfaces among the fixed wedge block (2-1), the front moving wedge block (2-2) and the rear moving wedge block (2-3) are wedge-shaped surfaces which can enable the front moving wedge block (2-2) and the rear moving wedge block (2-3) to laterally move under the driving of the locking shaft (2-4);
each universal transmission assembly (3) comprises a front universal cross shaft (3-2) and a rear universal cross shaft (3-3) which are connected through an intermediate shaft (3-1), and the rear universal cross shaft (3-3) is connected with the front end of a locking shaft (2-4);
each locking driving component (4) comprises a square flange (4-1) or a circular flange which is arranged on a small panel (5), a driving shaft (4-2) is arranged in a shaft sleeve at the rear end of the flange or a driving shaft (4-2) is arranged in a bearing seat (4-3) at the rear end of the flange through a bearing (4-4), the rear end of the driving shaft (4-2) is connected with a front universal cross shaft (3-2), and the front end of the driving shaft (4-2) which is provided with a wrench position or an inner hexagonal hole (4-5) extends out of a center hole of the flange or is arranged in the center hole of the flange.
2. The device of claim 1, further comprising: a plurality of circuit boards (1) are transversely arranged in the box body (6) side by side at equal intervals.
3. The device of claim 2, further comprising: the circuit board (1) is four.
4. The reinforcing apparatus for directly locking a circuit board outside a box according to any one of claims 1 to 3, wherein: the upper edge and the lower edge of the circuit board (1) and the upper wedge-shaped locking assembly and the lower wedge-shaped locking assembly (2) are arranged in an upper sliding groove and a lower sliding groove (6-2) which are correspondingly arranged in the box body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922041853.0U CN211297408U (en) | 2019-11-22 | 2019-11-22 | Reinforcing device capable of directly locking circuit board outside box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922041853.0U CN211297408U (en) | 2019-11-22 | 2019-11-22 | Reinforcing device capable of directly locking circuit board outside box |
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| Publication Number | Publication Date |
|---|---|
| CN211297408U true CN211297408U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922041853.0U Active CN211297408U (en) | 2019-11-22 | 2019-11-22 | Reinforcing device capable of directly locking circuit board outside box |
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| Country | Link |
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| CN (1) | CN211297408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996598A (en) * | 2019-11-22 | 2020-04-10 | 中国电子科技集团公司第三十四研究所 | Reinforcing device capable of directly locking circuit board outside box |
-
2019
- 2019-11-22 CN CN201922041853.0U patent/CN211297408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996598A (en) * | 2019-11-22 | 2020-04-10 | 中国电子科技集团公司第三十四研究所 | Reinforcing device capable of directly locking circuit board outside box |
| CN110996598B (en) * | 2019-11-22 | 2024-04-19 | 中国电子科技集团公司第三十四研究所 | Reinforcing device capable of directly locking circuit board outside box |
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