Circuit board fixing device
By designing a circuit board fixing device and utilizing the structure of the fixing plate and board wiring, a stable assembly and circuit connection of the two circuit boards are achieved, solving the problems of fixing and signal conduction in the existing technology, and enhancing the fixing effect and heat dissipation performance of the circuit board.
Patent Information
- Application Number
- CN202520069748.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing technology cannot meet the requirements for fixing dual circuit boards and signal conduction.
A circuit board fixing device is designed, including a housing, a fixing plate and board wiring. A first fixing plate and a second fixing plate are formed at both ends of the fixing plate. The board wiring passes through the board groove of the circuit board to realize the conduction between the circuit boards. The fixing effect is enhanced by the use of frame pillars, fixed plate pillars, frame strips and groove plates.
This achieves stable assembly and circuit connectivity of the dual circuit boards, improves the assembly stability of the board wiring, and ensures heat dissipation and signal connectivity of the circuit boards.
Smart Images

Figure CN223942994U_ABST
Abstract
Description
Technical Field
[0001] This utility model patent relates to the technical field of circuit board fixing, and more specifically, to a circuit board fixing device. Background Technology
[0002] Electronic products are products that use electricity as their operating basis, mainly including: children's electric toys, thinking machines, electronic learning machines, etc.; electronic products include circuit boards, which control the electronic products through preset control programs.
[0003] Currently, the assembly of circuit boards with electronic housings requires fixing the circuit boards. For example, a prior patent with authorization announcement number CN204994094U discloses a circuit board fixing device, including a circuit board and a fixing device; the upper surface of the circuit board has an upper rib, and the lower surface of the circuit board has a lower rib; the fixing device includes a fixing base plate, a symmetrical first clip and a second clip; the first clip and the second clip are adapted to be disposed on the surface of the fixing base plate; the first clip includes an upper fixing clip and a lower fixing clip disposed opposite to each other, and a spring for connecting the upper fixing clip and the lower fixing clip; the bottom side of the upper fixing clip has an upper groove that cooperates with the upper rib, and the upper part of the lower fixing clip has a lower groove that cooperates with the lower rib.
[0004] In the existing technology, only the fixation of a single circuit board is satisfied, but the fixation of two circuit boards cannot be satisfied, and signal conduction between the two circuit boards cannot be achieved. Utility Model Content
[0005] The purpose of this invention is to provide a circuit board fixing device, which aims to solve the problem that the existing technology cannot satisfy the fixing of dual circuit boards.
[0006] This utility model is implemented as follows: a circuit board fixing device includes a housing, a fixing plate, and board wiring. The housing and the fixing plate are assembled together. The two ends of the fixing plate form a first fixing plate and a second fixing plate, respectively. The first fixing plate and the second fixing plate are used to assemble circuit boards. The first fixing plate has a first board groove, and the second fixing plate has a second board groove. The first board groove and the second board groove are arranged correspondingly. The two ends of the board wiring pass through the first board groove and the second board groove, respectively, and the two ends of the board wiring are respectively connected to and conductively connected to two circuit boards.
[0007] Furthermore, the first fixed plate includes a plate frame and two frame posts. The plate frame is rectangular and hollow. The circuit board is assembled with the plate frame in a flat, overlapping manner. The two ends of the plate frame are respectively arranged to abut against the two frame posts. The two frame posts and the plate frame are arranged to abut against the circuit board. The fixing member passes through the circuit board and is threadedly connected to the frame posts.
[0008] Furthermore, the fixing plate includes a plurality of first fixed plate posts, each of the first fixed plate posts being arranged at intervals along a straight line, each of the first fixed plate posts synchronously penetrating the circuit board, the first fixed plate posts being used to position the circuit board, each of the first fixed plate posts being located between two frame posts, and each of the first fixed plate posts and the two frame posts being arranged at intervals along a straight line.
[0009] Furthermore, the first fixed plate includes a plurality of first frame strips, the inner ends of the first frame strips are arranged to be aligned with the plate frame, and the other ends of the first frame strips are arranged to extend vertically in a direction away from the plate frame. Each of the first frame strips is arranged at intervals along the length of the circuit board, and the circuit board simultaneously abuts against each of the first frame strips and the plate frame.
[0010] Furthermore, the first fixed plate includes two slotted plates, forming a first plate groove between the two slotted plates. The inner end of the slotted plate is arranged to be aligned with the plate frame. The other end of the first frame extends vertically away from the plate frame, and the slotted plate is arranged to be in contact with the circuit board. The two slotted plates are used to guide and position the board wiring.
[0011] Furthermore, the circuit board fixing device includes a wire fastener, which is fastened or separated from the two slot plates. The wire fastener has a wire fixing plate, which is laid flat and in contact with the board wiring, and the wire fixing plate is used to press the board wiring into the first slot.
[0012] Furthermore, the fixing plate includes a central fixing plate, the two ends of which are respectively connected to the first fixing plate and the second fixing plate and integrally formed. The central fixing plate has a central fixing groove for assembling a flexible plate. The flexible plate is arranged in signal communication with multiple touch buttons, which are used for command input. The central fixing groove is arranged in communication with the first plate groove and the second plate groove, and the plate wiring is arranged in a flat and pressing manner with the flexible plate.
[0013] Furthermore, the fixing plate includes a protruding plate portion, which is arranged to protrude. The flexible plate is laid flat on the protruding plate portion, and the flexible plate extends to be connected to the circuit board on the second fixing plate and is arranged in signal communication. The circuit board has an electrical board groove, and the protruding plate portion is embedded in the electrical board groove. The circuit board and the protruding plate portion are arranged to be embedded in each other.
[0014] Furthermore, the circuit board fixing device includes a fastener with a fastening groove. The fastener and the second fixing plate are stacked and assembled together, and the circuit board and the flexible plate are simultaneously embedded into the fastening groove.
[0015] Furthermore, the fixing plate includes a second fixing post, the lower part of which is arranged in abutment with the second fixing plate, the upper part of which penetrates the circuit board, and the second fixing post is used to position the circuit board. The second fixing post and the fastener are arranged at intervals along a straight line.
[0016] Compared with the prior art, the circuit board fixing device provided by this utility model assembles different circuit boards separately onto a first fixing plate and a second fixing plate, and then passes the two ends of the board wires through the first board slot and the second board slot to conduct to the circuit boards, thereby realizing communication between the circuit boards. In this way, under the action of the first fixing plate and the second fixing plate, the assembly and fixing of the two circuit boards are realized, as well as the communication between the two circuit boards. At the same time, the positioning effect of the first board slot and the second board slot improves the assembly stability of the board wires and ensures the circuit connection of the two circuit boards. Attached Figure Description
[0017] Figure 1 This is a three-dimensional schematic diagram of the circuit board fixing device provided by this utility model;
[0018] Figure 2 This is a three-dimensional schematic diagram of the fixing plate of the circuit board fixing device provided by this utility model;
[0019] Figure 3 This is a cross-sectional schematic diagram of the circuit board fixing device provided by this utility model. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0021] The implementation of this utility model will be described in detail below with reference to specific embodiments.
[0022] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0023] Reference Figure 1-3The image shown is a preferred embodiment of the present invention.
[0024] The circuit board fixing device includes a housing 1, a fixing plate 3, and a board wiring 4. The housing 1 and the fixing plate 3 are assembled. The two ends of the fixing plate 3 form a first fixing plate 32 and a second fixing plate 33, respectively. The first fixing plate 32 and the second fixing plate 33 are used to assemble circuit boards 2. The first fixing plate 32 has a first board groove 321, and the second fixing plate 33 has a second board groove 331. The first board groove 321 and the second board groove 331 are arranged correspondingly. The two ends of the board wiring 4 pass through the first board groove 321 and the second board groove 331, respectively, and the two ends of the board wiring 4 are respectively connected to the two circuit boards 2 and are conductively arranged.
[0025] The aforementioned circuit board fixing device assembles different circuit boards 2 into the first fixing plate 32 and the second fixing plate 33 respectively. Then, the two ends of the board wiring 4 pass through the first board groove 321 and the second board groove 331 respectively and are in communication with the circuit board 2 to realize communication between the circuit boards 2. In this way, under the action of the first fixing plate 32 and the second fixing plate 33, the assembly and fixing of the two circuit boards 2 are realized, as well as the communication between the two circuit boards 2. At the same time, through the positioning effect of the first board groove 321 and the second board groove 331, the assembly stability of the board wiring 4 is improved, ensuring the circuit connection of the two circuit boards 2.
[0026] The first fixed plate 32 includes a plate frame 321 and two frame posts 322. The plate frame 321 is arranged in a rectangular shape and is hollow. The circuit board 2 is assembled with the plate frame 321 in a flat overlapping manner. Under the action of the plate frame 321, the assembly stability of the circuit board 2 is improved. At the same time, the circuit board 2 is suspended, which facilitates the heat dissipation of the circuit board 2.
[0027] The two ends of the plate frame 321 are respectively arranged to meet the two frame posts 322. The two frame posts 322 and the plate frame 321 are arranged to abut against the circuit board 2. The fastener passes through the circuit board 2 and is threadedly connected to the frame posts 322. With the cooperation of the fastener and the frame posts 322, the circuit board 2 is fixed.
[0028] Fasteners can be screws, threaded rods, etc.
[0029] Furthermore, the two frame posts 322 work together to fix the circuit board 2 at both ends, making the fixing force on the circuit board 2 more uniform and improving the fixing effect of the circuit board 2.
[0030] The fixing plate 3 includes a plurality of first fixing posts 31, each first fixing post 31 is arranged at intervals along a straight line, each first fixing post 31 synchronously passes through the circuit board 2, the first fixing posts 31 are used to position the circuit board 2, each first fixing post 31 is located between two frame posts 322, and each first fixing post 31 and the two frame posts 322 are arranged at intervals along a straight line.
[0031] In this way, the combined action of each first fixed plate post 31 and the two frame posts 322 enhances the assembly stability of the circuit board 2 and improves the fixing effect on the circuit board 2.
[0032] The first fixed plate 32 includes a plurality of first frame strips. The inner end of the first frame strip is arranged to be aligned with the plate frame 321. The other end of the first frame strip extends vertically in a direction away from the plate frame 321. Each first frame strip is arranged at intervals along the length of the circuit board 2. The circuit board 2 simultaneously abuts against each first frame strip and the plate frame 321.
[0033] In this way, with the combined action of each first frame strip, the positioning and fixing range of circuit board 2 is increased, and the fixing effect of circuit board 2 is improved.
[0034] At the same time, with the cooperation of each first frame strip and board frame 321, the suspended range of the circuit board 2 is increased, which facilitates the heat dissipation of the circuit board 2 and reduces heat accumulation.
[0035] The first fixed plate 32 includes two slotted plates, forming a first plate groove 321 between the two slotted plates. The inner end of the slotted plate is arranged to be aligned with the plate frame 321. The other end of the first frame strip extends vertically in a direction away from the plate frame 321, and the slotted plate is arranged to be in contact with the circuit board 2. The two slotted plates are used for guiding and positioning the plate wiring 4.
[0036] The two slot plates improve the positioning of the circuit board 2, thereby positioning and reinforcing the board wiring 4.
[0037] The circuit board fixing device includes a wire fastener, which is fastened or separated from the two slot plates. The wire fastener has a wire fixing plate, which is laid flat and in contact with the board wiring 4. The wire fixing plate is used to press the board wiring 4 into the first board slot 321. Under the action of the wire fastener, the assembly stability of the board wiring 4 is improved, and the board wiring 4 is prevented from accidentally coming off the first board slot 321.
[0038] The wire fastener includes two wire side plates. The two wire side plates are arranged in a butt joint configuration at both ends of the wire fastener plate. The two wire side plates correspond one-to-one with the two slot plates and are fastened together to realize the assembly of the wire fastener.
[0039] The side plate has protruding studs arranged in a convex manner, and the groove plate has recessed grooves arranged in a concave manner. The side plate and the groove plate are fastened together by the cooperation of the protruding studs and the recessed grooves.
[0040] The fixed plate 3 includes a middle fixed plate 34, the two ends of which are respectively connected to the first fixed plate 32 and the second fixed plate 33 and are integrally formed. The middle fixed plate 34 has a middle fixed groove for assembling the flexible plate 5. The flexible plate 5 is arranged in signal communication with multiple touch buttons, which are used for command input. The middle fixed groove is arranged in communication with the first plate groove 321 and the second plate groove 331 respectively. The plate wiring 4 is arranged in a flat pressing arrangement with the flexible plate 5.
[0041] In this way, the flexible plate 5 is assembled under the action of the central fixing plate 34. At the same time, the flexible plate 5 is positioned and reinforced through the central fixing groove, thereby improving the assembly stability of the flexible plate 5.
[0042] The fixed plate 3 includes a protruding plate portion 35, which is arranged to protrude. A flexible plate 5 is laid flat on the protruding plate portion 35, and the flexible plate 5 extends to be connected to the circuit board 2 on the second fixed plate 33 and is arranged to communicate with signals. The circuit board 2 has an electrical board groove, and the protruding plate portion 35 is embedded in the electrical board groove. The circuit board 2 and the protruding plate portion 35 are arranged to be embedded.
[0043] The protruding plate 35 plays a positioning role for the circuit board 2, improving the stability of the circuit board 2 and facilitating signal communication between the flexible plate 5 and the circuit board 2.
[0044] The circuit board fixing device includes a fastener 6, which has a fastening groove. The fastener 6 and the second fixing plate 33 are stacked and assembled. The circuit board 2 and the flexible plate 5 are simultaneously embedded into the fastening groove. Under the action of the fastener 6, the assembly stability of the circuit board 2 and the flexible plate 5 is enhanced. At the same time, the fastener 6 plays a tensioning role on the flexible plate 5, thereby improving the assembly stability of the flexible plate 5.
[0045] The fixing plate 3 includes a second fixing post. The lower part of the second fixing post is arranged in a butt joint with the second fixing plate 33. The upper part of the second fixing post penetrates the circuit board 2 and is used to position the circuit board 2. The second fixing post and the fastener 6 are arranged at intervals along a straight line to improve the stability of the circuit board 2.
[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A circuit board fixing device, characterized in that, The device includes a housing, a fixing plate, and board wiring. The housing and the fixing plate are assembled together. The two ends of the fixing plate form a first fixing plate and a second fixing plate, respectively. The first fixing plate and the second fixing plate are used to assemble circuit boards. The first fixing plate has a first board groove, and the second fixing plate has a second board groove. The first board groove and the second board groove are arranged correspondingly. The two ends of the board wiring pass through the first board groove and the second board groove, respectively, and the two ends of the board wiring are respectively connected to two circuit boards and are conductively arranged.
2. The circuit board fixing device as described in claim 1, characterized in that, The first fixed plate includes a plate frame and two frame posts. The plate frame is rectangular and hollow. The circuit board is assembled with the plate frame in a flat, overlapping manner. The two ends of the plate frame are respectively arranged to meet the two frame posts. The two frame posts and the plate frame are arranged to abut against the circuit board. The fixing member passes through the circuit board and is threadedly connected to the frame posts.
3. The circuit board fixing device as described in claim 2, characterized in that, The fixing plate includes a plurality of first fixed plate posts, each of which is arranged at intervals along a straight line. Each of the first fixed plate posts synchronously penetrates the circuit board. The first fixed plate posts are used to position the circuit board. Each of the first fixed plate posts is located between two frame posts, and each of the first fixed plate posts and the two frame posts are arranged at intervals along a straight line.
4. The circuit board fixing device as described in claim 3, characterized in that, The first fixed plate includes a plurality of first frame strips, the inner ends of the first frame strips are arranged to be aligned with the plate frame, and the other ends of the first frame strips are arranged to extend vertically in a direction away from the plate frame. Each of the first frame strips is arranged at intervals along the length of the circuit board, and the circuit board simultaneously abuts against each of the first frame strips and the plate frame.
5. The circuit board fixing device as described in claim 4, characterized in that, The first fixed plate includes two slotted plates, forming a first plate groove between the two slotted plates. The inner end of the slotted plate is arranged to be aligned with the plate frame. The other end of the first frame extends vertically away from the plate frame, and the slotted plate is arranged to be in contact with the circuit board. The two slotted plates are used to guide and position the board wiring.
6. The circuit board fixing device as described in claim 5, characterized in that, The circuit board fixing device includes a wire fastener, which is fastened or separated from the two slot plates. The wire fastener has a wire fixing plate, which is laid flat and in contact with the board wiring. The wire fixing plate is used to press the board wiring into the first slot.
7. The circuit board fixing device as described in claim 6, characterized in that, The fixing plate includes a central fixing plate, the two ends of which are respectively connected to the first fixing plate and the second fixing plate and integrally formed. The central fixing plate has a central fixing groove for assembling a flexible plate. The flexible plate is arranged in signal communication with multiple touch buttons, which are used for command input. The central fixing groove is arranged in communication with the first plate groove and the second plate groove, and the plate wiring is arranged in a flat and pressing manner with the flexible plate.
8. The circuit board fixing device as described in claim 7, characterized in that, The fixed plate includes a protruding plate portion, which is arranged to protrude. The flexible plate is laid flat on the protruding plate portion, and the flexible plate extends to be connected to the circuit board on the second fixed plate and is arranged to communicate with signals. The circuit board has a circuit board groove, and the protruding plate portion is embedded in the circuit board groove. The circuit board and the protruding plate portion are arranged to be embedded in each other.
9. The circuit board fixing device as described in claim 7, characterized in that, The circuit board fixing device includes a fastener with a fastening groove. The fastener and the second fixing plate are stacked and assembled together, and the circuit board and the flexible plate are simultaneously embedded into the fastening groove.
10. The circuit board fixing device as described in claim 9, characterized in that, The fixing plate includes a second fixing post, the lower part of which is arranged to be aligned with the second fixing plate, the upper part of which penetrates the circuit board, and the second fixing post is used to position the circuit board. The second fixing post and the fastener are arranged at intervals along a straight line.
Citation Information
Patent Citations
Circuit -board fixing device
CN204994094U