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CN-224232959-U - Floating type plug-in assembly of key module

CN224232959UCN 224232959 UCN224232959 UCN 224232959UCN-224232959-U

Abstract

The invention discloses a floating type plug-in assembly of a key module, relates to the technical field of module connection, and can solve the problem that after the key module with relatively large weight is inserted into a board plug of a PCB board body, stress is concentrated on a connector, and the connector is easy to damage. The floating type plug-in assembly of the key module comprises a shell and a PCB body with a plate plug, wherein a mounting column is arranged on the shell, and the PCB body is arranged on the mounting column of the shell in a floating mode.

Inventors

  • Request for anonymity

Assignees

  • 苏州瑞飞达计算机科技有限公司

Dates

Publication Date
20260512
Application Date
20250402

Claims (8)

  1. 1. A floating plug assembly of a key module, comprising a housing (2) and a PCB board body (1) with a board body plug (11), wherein: The shell (2) is provided with a mounting column (21), and the PCB body (1) is floatingly mounted on the mounting column (21) of the shell (2); The device also comprises a limit connecting piece which is detachably arranged and fixed on the mounting column (21); The PCB body (1) is provided with a mounting hole (101), and the PCB body (1) is floatably arranged between the limiting connecting piece and the mounting column (21) through the mounting hole (101) arranged on the PCB body.
  2. 2. A floating plug assembly of a key module according to claim 1, characterized in that the limit connection comprises an integrally formed mounting section (31) and a limit section (32); the limit connecting piece is fixedly connected with the mounting column (21) through the mounting section (31); the outer diameter of the limiting section (32) of the limiting connecting piece is larger than the size of the mounting hole (101).
  3. 3. A floating plug assembly of a key module according to claim 2, characterized in that the limit connection is a limit screw (3), the mounting section (31) of the limit screw (3) is a threaded section, and the limit section (32) of the limit screw (3) is a screw head; The mounting column (21) is internally provided with a mounting screw hole (212), and the thread section of the limit screw (3) is in threaded connection with the mounting screw hole (212).
  4. 4. A floating plug assembly for a key module according to claim 2, wherein the bottom surface of the limit segment (32) is planar.
  5. 5. A floating plug assembly of a key module according to claim 1, characterized in that the top of the mounting post (21) is provided with a mounting stage (211), the height of the mounting stage (211) is larger than the thickness of the PCB body (1), and the size of the mounting stage (211) is smaller than the size of the mounting hole (101) of the PCB body (1).
  6. 6. A floating plug assembly for a key module according to claim 1, wherein the upper and lower maximum floating distance and the left and right maximum floating distance of the PCB body (1) are 1mm and 0.5mm, respectively.
  7. 7. A floating plug assembly for a key module according to claim 1, wherein at least two mounting posts (21) are provided on the housing (2), and the two mounting posts (21) are symmetrically distributed on both sides of the central axis of the plate plug (11).
  8. 8. A floating plug assembly for a key module according to claim 1, further comprising a plug module (5) provided with a connector (4), the connector (4) being plug-in fitted with a board plug (11) of the PCB board (1).

Description

Floating type plug-in assembly of key module Technical Field The utility model relates to the technical field of module connection, in particular to a floating plug-in assembly of a key module. Background The prior module connecting structures generally have internal male sockets locked and fixed by screws, and external female sockets are directly inserted on the male sockets, so that the module connection is completed. However, in some special devices, the external key module needs to be inserted into the device, the weight of the key module is larger than that of the internal male socket, a stress is inevitably applied to two ends of the connector after the key module is inserted into the internal male socket, the connector is damaged after long-term use, a series of problems such as unstable connection and poor contact are caused, and in addition, some strict tests such as vibration impact tests are often needed for the special devices, so that the possibility of damage of the connector is aggravated. Based on the above background, the inventors devised a floating plug assembly of a key module, solving at least one of the above problems, and thus, the present application has been made. Disclosure of utility model The application aims to provide a floating plug-in assembly of a key module, which solves the problem that after the key module with relatively large weight is inserted into a board plug of a PCB board body, stress is concentrated on a connector, and the connector is easy to damage. In order to solve the technical problems, the utility model adopts the following scheme: the application provides a floating plug assembly of a key module, which comprises a shell and a PCB (printed circuit board) body with a board plug, wherein: the shell is provided with a mounting column, and the PCB body is floatingly mounted on the mounting column of the shell. Optionally, the device further comprises a limit connecting piece detachably arranged and fixed on the mounting column; The PCB body is provided with a mounting hole, and the PCB body is floatably arranged between the limit connecting piece and the mounting column through the mounting hole arranged on the PCB body. Optionally, the limiting connecting piece comprises an integrally formed mounting section and a limiting section; the limit connecting piece is fixedly connected with the mounting column through the mounting section; the outer diameter of the limiting section of the limiting connecting piece is larger than the size of the mounting hole. Optionally, the limiting connecting piece is a limiting screw, the mounting section of the limiting screw is a threaded section, and the limiting section of the limiting screw is a screw end; And a mounting screw hole is formed in the mounting column, and a thread section of the limit screw is in threaded connection with the mounting screw hole. Optionally, the bottom surface of the limiting section is a plane. Optionally, the top of erection column is provided with the mount table stage, and the height of mount table stage is greater than the thickness of PCB plate body to the size of mount table stage is less than the mounting hole size of PCB plate body. Optionally, the maximum floating distance between the upper and lower parts and the maximum floating distance between the left and right parts of the PCB body are respectively 1mm and 0.5mm. Optionally, at least two installing columns are arranged on the shell, and the two installing columns are symmetrically distributed on two sides of the central axis of the plate plug. Optionally, the PCB further comprises a plug-in module provided with a connector, and the connector is in plug-in fit with a board plug of the PCB. The utility model has the beneficial effects that: The application skillfully utilizes the mounting column on the shell, and the PCB body can slightly float on the mounting column after being mounted on the mounting column, so that after the plugging module is plugged on the board body plug of the PCB body through the connector, the PCB body can slightly float according to the movement of the plugging module, the problem that the stress is completely concentrated between the connector and the board body plug and the problem that the connector is easily damaged after the key module with relatively large weight is plugged on the board body plug of the PCB body is effectively solved. Drawings Fig. 1 is a schematic perspective view of an embodiment of the present application. Fig. 2 is a schematic top view of an embodiment of the present application. FIG. 3 is a schematic cross-sectional view of the structure of A-A in FIG. 2. Fig. 4 is a partially enlarged schematic view at B in fig. 3. The reference numerals indicate 1-PCB board body, 101-mounting hole, 11-board body plug, 2-shell, 21-mounting column, 211-stage of mounting stage, 212-mounting screw hole, 3-limit screw, 31-mounting section, 32-limit section, 4-connector, 5-plug module. Detailed Desc