Limiting and fixing structure of floating board-to-board connector
The limit fixing bracket and guide bone structure solves the cracking problem of floating plate-to-board connector due to stress accumulation after assembly, achieves protection in stable assembly and high-frequency vibration environments, and extends the service life of the connector.
Patent Information
- Application Number
- CN202422077476.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing floating plate-to-board connectors are prone to cracking and damage during vibration tests after assembly due to production processing errors and PCB board deformation. It is urgent to require a limited fixed structure to protect the connector.
The limit fixing bracket, snap holder and guide bone structure are adopted, combined with the support structure to ensure the smooth assembly of the connector male and female seats, and protect the connector in a high-frequency vibration environment to extend the service life.
It realizes stable assembly and effective protection of the connector, ensures that the high-end compliant meets the design requirements, extends the service life, and avoids the problem of easy breakage of the snap-mount.
Smart Images
Figure CN223093144U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electrical connectors, in particular to a limiting and fixing structure for a floating board-to-board connector. Background Technique
[0002] A floating board-to-board connector is an electrical connector for high-speed signal transmission, which is commonly used in electronic devices. Its main feature is that it has a certain floating ability, which can provide a certain space tolerance between boards, thus ensuring the stability and reliability of the connector.
[0003] With the increasingly obvious performance advantages of floating board-to-board connectors, the proportion of floating board-to-board connectors used in the automotive industry is gradually increasing at present. Although the board-to-board connectors have excellent performance, there are also some problems: due to production and processing errors, dimensional tolerances of parts, and at the same time, there is a certain degree of deformation of the PCB board during assembly. The accumulation of these errors and deformations will cause certain stress in the board-to-board connector after assembly. When the circuit board product is doing a vibration test, the continuous vibration generates accumulated stress, which will cause the board-to-board connector to crack and be damaged. Therefore, there is an urgent need for a limiting and fixing structure for a floating board-to-board connector to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a limiting and fixing structure for a floating board-to-board connector is proposed. Its advantages are that under the action of the whole limiting and fixing structure, it ensures that the male seat and the female seat of the board-to-board connector are smoothly assembled in place, and at the same time, it can ensure that the combined height of the male seat and the female seat after assembly meets the design requirements, and can effectively protect the floating board-to-board connector from external force impact and extend the service life of the floating board-to-board connector.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A limiting and fixing structure for a floating board-to-board connector, including a first circuit board, a second circuit board and a board-to-board connector assembly. A limiting and fixing component is arranged between the bottom of the first circuit board and the top of the second circuit board, and the limiting and fixing component includes a limiting and fixing bracket surrounding the periphery of the board-to-board connector assembly. A plurality of first card slots are opened on the first circuit board, and a plurality of first snap seats clamped on the first card slots are arranged at the top of the limiting and fixing bracket. A plurality of second card slots are opened on the second circuit board, and a plurality of second snap seats clamped on the second card slots are arranged at the bottom of the limiting and fixing bracket. A plurality of first limiting openings are opened on the first circuit board, and a plurality of first guiding ribs inserted into the first limiting openings are arranged at the top of the limiting and fixing bracket. A plurality of second limiting openings are opened on the second circuit board, and a plurality of second guiding ribs inserted into the second limiting openings are arranged at the bottom of the limiting and fixing bracket.
[0007] Through the above technical solutions, it is ensured that the male board-to-board connector and the female board-to-board connector are smoothly assembled in place, and in a high-frequency vibration test or a long-term vibration use environment, the floating board-to-board connector can be effectively protected from external force impacts and its service life can be extended.
[0008] The present utility model is further configured such that the first guiding rib is located directly above the second snap seat, and the first snap seat is located directly above the second guiding rib.
[0009] Through the above technical solutions, a misaligned snap connection effect is formed to ensure a stable effect.
[0010] The present utility model is further configured such that the board-to-board connector assembly is composed of a female board-to-board connector provided at the bottom of the first circuit board and a male board-to-board connector provided at the top of the second circuit board, and the male board-to-board connector and the female board-to-board connector are docked.
[0011] Through the above technical solutions, the board-to-board connector assembly is formed by the male board-to-board connector and the female board-to-board connector, which is convenient for docking.
[0012] The present utility model is further configured such that a support structure is provided between the first circuit board and the second circuit board for supporting and positioning the first circuit board and the second circuit board.
[0013] The present utility model is further configured such that the support structure includes a first connection hole opened on the first circuit board and a second connection hole opened on the second circuit board, and the first connection hole is located directly above the second connection hole. Support heads are inserted into the interior of the first connection hole and the inner wall of the second connection hole, and a support column is fixed between two support heads on the same vertical line.
[0014] Through the above technical solutions, the first circuit board and the second circuit board are supported to ensure stable performance.
[0015] The present utility model is further configured such that clamping components are provided on both the first guiding rib and the second guiding rib. The clamping component includes grooves opened on one side of the first guiding rib and one side of the second guiding rib, and an installation hole is opened at one end of the top of the groove, and a central hole is opened at one end of the bottom of the groove. A rotating shaft is rotatably connected to the inner wall of the central hole, and a limiting clamping plate passing through the groove is fixed to the outer wall of the rotating shaft. The limiting clamping plates are respectively attached to the top surface of the first circuit board and the bottom surface of the second circuit board, and a torsion spring is installed between the outer wall of the rotating shaft and the inner wall of the installation hole.
[0016] Through the above technical solutions, the limiting clamping plates in the clamping component are attached to the first circuit board and the second circuit board, replacing the snap fixing method of the snap seat. The problem that the snap seat is easily broken and affects the limit will not occur, and the assembly is convenient and the structure is simple.
[0017] The utility model is further configured such that a sealing ring is installed at the top of the inner wall of the mounting hole, and the sealing ring is sleeved on the outer wall of the rotating shaft.
[0018] Through the above technical solutions, the sealing performance of the mounting hole is ensured, and the stability performance of the rotating shaft is ensured.
[0019] The beneficial effects of the utility model are as follows:
[0020] 1. In the utility model, the entire limiting and fixing structure of the floating board-to-board connector is composed of a limiting and fixing bracket, a first buckle seat, a first guiding rib, a first clamping groove, a first limiting opening, a second clamping groove, a second limiting opening, a second guiding rib, and a second buckle seat. Thus, under the action of the entire limiting and fixing structure, it is ensured that the male seat and the female seat of the board-to-board connector are smoothly assembled in place. At the same time, it can ensure that the combined height of the male seat and the female seat after assembly meets the design requirements, and can effectively protect the floating board-to-board connector from external force impacts in high-frequency vibration tests or long-term vibration use environments, thereby extending the service life of the floating board-to-board connector.
[0021] 2. In the utility model, through the provided clamping assembly, when the first guiding rib is inserted into the first limiting opening and the second guiding rib is inserted into the second limiting opening, the limiting clamping plate in the clamping assembly can be attached to the first circuit board and the second circuit board, replacing the buckling fixing method of the buckle seat, and avoiding the problem that the buckle seat is easily broken and affects the limitation.
[0022] 3. The utility model is convenient to assemble, has a simple structure, effective limiting effect, low cost, and can quickly realize the fixing operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a perspective view of the first embodiment of the utility model;
[0024] Figure 2 is an exploded view of the first embodiment of the utility model;
[0025] Figure 3 is a schematic structural view of the second clamping groove and the second limiting opening of the first embodiment of the utility model;
[0026] Figure 4 is a schematic structural view of the limiting and fixing bracket of the first embodiment of the utility model;
[0027] Figure 5 is a perspective view of the second embodiment of the utility model;
[0028] Figure 6 is a schematic structural view of the groove and the limiting clamping plate of the second embodiment of the utility model;
[0029] Figure 7Schematic diagram of the rotating shaft and torsion spring structure according to the second embodiment of the present utility model;
[0030] Figure 8 Schematic diagram of the central hole and mounting hole structure according to the second embodiment of the present utility model.
[0031] In the figure: 1, the first circuit board; 2, the second circuit board; 3, the support structure; 301, the first connection hole; 302, the support column; 303, the support head; 304, the second connection hole; 4, the limit fixing component; 401, the limit fixing bracket; 402, the first buckle seat; 403, the first guiding rib; 404, the first card slot; 405, the first limit opening; 406, the second card slot; 407, the second limit opening; 408, the second guiding rib; 409, the second buckle seat; 410, the groove; 411, the limit card board; 412, the sealing ring; 413, the rotating shaft; 414, the torsion spring; 415, the central hole; 416, the mounting hole; 5, the male board-to-board connector; 6, the female board-to-board connector. Detailed implementation manners
[0032] The technical solutions of this patent will be further described in detail below in conjunction with the specific implementation manners.
[0033] The embodiments of this patent are described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain this patent and should not be construed as a limitation to this patent.
[0034] In the description of this patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to this patent.
[0035] In the description of this patent, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "coupling", "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0036] Embodiment 1
[0037] Refer to Figures 1 - 4, A floating board-to-board connector limiting and fixing structure, including a first circuit board 1, a second circuit board 2, and a board-to-board connector assembly. The board-to-board connector assembly is composed of a board-to-board connector female socket 6 arranged at the bottom of the first circuit board 1 and a board-to-board connector male socket 5 arranged at the top of the second circuit board 2, and the board-to-board connector male socket 5 and the board-to-board connector female socket 6 are butted. A limiting and fixing assembly 4 is arranged between the bottom of the first circuit board 1 and the top of the second circuit board 2. The limiting and fixing assembly 4 includes a limiting and fixing bracket 401 surrounding the periphery of the board-to-board connector assembly. A plurality of first card slots 404 are opened on the first circuit board 1, and a plurality of first snap seats 402 clamped on the first card slots 404 are arranged at the top of the limiting and fixing bracket 401. A plurality of second card slots 406 are opened on the second circuit board 2, and a plurality of second snap seats 409 clamped on the second card slots 406 are arranged at the bottom of the limiting and fixing bracket 401. A plurality of first limiting ports 405 are opened on the first circuit board 1, and a plurality of first guiding ribs 403 inserted into the first limiting ports 405 are arranged at the top of the limiting and fixing bracket 401. A plurality of second limiting ports 407 are opened on the second circuit board 2, and a plurality of second guiding ribs 408 inserted into the second limiting ports 407 are arranged at the bottom of the limiting and fixing bracket 401. The first guiding rib 403 is directly above the second snap seat 409, and the first snap seat 402 is directly above the second guiding rib 408. The first guiding rib 403 can be inserted into the first limiting port 405, the first snap seat 402 can be clamped in the first card slot 404, the second guiding rib 408 can be inserted into the second limiting port 407, and the second snap seat 409 can be clamped in the second card slot 406, ensuring that the board-to-board connector male socket 5 and the board-to-board connector female socket 6 are smoothly assembled in place. At the same time, it can ensure that the combined height of the male and female sockets after assembly meets the design requirements, and can effectively protect the floating board-to-board connector from external force impacts in a high-frequency vibration test or a long-term vibration use environment, extending the service life.
[0038] To ensure the overall stability of the first circuit board 1 and the second circuit board 2, referring to Figure 1 and Figure 2 , a support structure 3 is arranged between the first circuit board 1 and the second circuit board 2 for supporting and positioning the first circuit board 1 and the second circuit board 2. The support structure 3 includes a first connection hole 301 opened on the first circuit board 1 and a second connection hole 304 opened on the second circuit board 2, and the first connection hole 301 is directly above the second connection hole 304. Support heads 303 are inserted into both the inside of the first connection hole 301 and the inner wall of the second connection hole 304, and a support column 302 is fixed between two support heads 303 on the same vertical line. During assembly, the support heads 303 can be inserted into the first connection hole 301 and the second connection hole 304, and the first circuit board 1 and the second circuit board 2 are supported by the support heads 303 and the support column 302 to ensure the stability.
[0039] Working principle: When in use, the limiting and fixing structure of the entire floating board-to-board connector is composed of a limiting and fixing bracket 401, a first snap seat 402, a first guiding rib 403, a first card slot 404, a first limiting port 405, a second card slot 406, a second limiting port 407, a second guiding rib 408, a second snap seat 409, etc. The first guiding rib 403 can be inserted into the first limiting port 405, the first snap seat 402 can be snapped into the first card slot 404, the second guiding rib 408 can be inserted into the second limiting port 407, and the second snap seat 409 can be snapped into the second card slot 406, which can ensure that the male seat 5 of the board-to-board connector and the female seat 6 of the board-to-board connector are successfully assembled in place, and effectively protect the floating board-to-board connector from external force impacts.
[0040] Embodiment 2
[0041] Refer to Figures 5 - 8 , compared with Embodiment 1, in this embodiment, clamping components are provided on both the first guiding rib 403 and the second guiding rib 408. The clamping components include grooves 410 opened on one side of the first guiding rib 403 and one side of the second guiding rib 408. An installation hole 416 is opened at one end of the top of the groove 410, and a central hole 415 is opened at one end of the bottom of the groove 410. A rotating shaft 413 is rotatably connected to the inner wall of the central hole 415, and a limiting clamping plate 411 passing through the groove 410 is fixed to the outer wall of the rotating shaft 413. The limiting clamping plates 411 are respectively attached to the top surface of the first circuit board 1 and the bottom surface of the second circuit board 2. A torsion spring 414 is installed between the outer wall of the rotating shaft 413 and the inner wall of the installation hole 416, and a sealing ring 412 is installed at the top of the inner wall of the installation hole 416, and the sealing ring 412 is sleeved on the outer wall of the rotating shaft 413. When the first guiding rib 403 is inserted into the first limiting port 405 and the second guiding rib 408 is inserted into the second limiting port 407, the limiting clamping plates 411 in the clamping components can be attached to the first circuit board 1 and the second circuit board 2, replacing the snap-fitting fixing method of the snap seat, and there will be no problem that the snap seat is easily broken and affects the limitation. The assembly is convenient and the structure is simple.
[0042] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered by the protection scope of the present invention.
Claims
1. A limiting and fixing structure for a floating board-to-board connector, comprising a first circuit board (1), a second circuit board (2) and a board-to-board connector assembly, characterized in that, A limiting and fixing component (4) is arranged between the bottom of the first circuit board (1) and the top of the second circuit board (2). The limiting and fixing component (4) includes a limiting and fixing bracket (401) surrounding the periphery of the board-to-board connector component. A plurality of first card slots (404) are formed on the first circuit board (1), and a plurality of first snap seats (402) snapped onto the first card slots (404) are arranged at the top of the limiting and fixing bracket (401). A plurality of second card slots (406) are formed on the second circuit board (2), and a plurality of second snap seats (409) snapped onto the second card slots (406) are arranged at the bottom of the limiting and fixing bracket (401). A plurality of first limiting ports (405) are formed on the first circuit board (1), and a plurality of first guiding ribs (403) inserted into the first limiting ports (405) are arranged at the top of the limiting and fixing bracket (401). A plurality of second limiting ports (407) are formed on the second circuit board (2), and a plurality of second guiding ribs (408) inserted into the second limiting ports (407) are arranged at the bottom of the limiting and fixing bracket (401).
2. The floating board-to-board connector limiting and fixing structure according to claim 1, wherein, The first guiding rib (403) is directly above the second snap seat (409), and the first snap seat (402) is directly above the second guiding rib (408).
3. The floating board-to-board connector limiting and fixing structure according to claim 2, characterized in that, The board-to-board connector component is composed of a board-to-board connector female seat (6) arranged at the bottom of the first circuit board (1) and a board-to-board connector male seat (5) arranged at the top of the second circuit board (2), and the board-to-board connector male seat (5) is docked with the board-to-board connector female seat (6).
4. The floating board-to-board connector limiting and fixing structure according to claim 3, characterized in that, A support structure (3) is arranged between the first circuit board (1) and the second circuit board (2) for supporting and positioning the first circuit board (1) and the second circuit board (2).
5. The floating board-to-board connector limiting and fixing structure according to claim 4, characterized in that, The support structure (3) includes a first connection hole (301) formed on the first circuit board (1) and a second connection hole (304) formed on the second circuit board (2). The first connection hole (301) is directly above the second connection hole (304). Support heads (303) are inserted into the inside of the first connection hole (301) and the inner wall of the second connection hole (304), and a support column (302) is fixed between two support heads (303) on the same vertical line.
6. The floating board-to-board connector limit fixing structure according to claim 5, characterized in that, Clamping components are provided on both the first guiding bone (403) and the second guiding bone (408). The clamping component includes grooves (410) formed on one side of the first guiding bone (403) and one side of the second guiding bone (408). An installation hole (416) is formed at one end of the top of the groove (410), and a central hole (415) is formed at one end of the bottom of the groove (410). A rotating shaft (413) is rotatably connected to the inner wall of the central hole (415), and a limiting clamping plate (411) passing through the groove (410) is fixed to the outer wall of the rotating shaft (413). The limiting clamping plates (411) are respectively attached to the top surface of the first circuit board (1) and the ground of the second circuit board (2). A coil spring (414) is installed between the outer wall of the rotating shaft (413) and the inner wall of the installation hole (416).
7. A floating board-to-board connector limit fixing structure according to claim 6, characterized in that, A sealing ring (412) is installed at the top of the inner wall of the installation hole (416), and the sealing ring (412) is sleeved on the outer wall of the rotating shaft (413).