Circuit module shell with lead positioning structure
By employing an inverted U-shaped clamping hole and a superimposed arc-shaped groove structure in the circuit module housing, the custom welding fixture is eliminated, solving the cost and stability issues of the all-metal casing of the microcircuit module and achieving stable installation of leads and airtightness of the casing.
Patent Information
- Application Number
- CN202422818402.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-19
AI Technical Summary
In the existing technology, the all-metal casing of the microcircuit module with side-out leads has the problems of increased cost due to customized welding fixtures and misalignment between the leads and the insulating sleeve.
It adopts a positioning groove structure with side plates with inverted U-shaped clamping holes and superimposed arc-shaped grooves, eliminating the need for custom welding fixtures. It is connected to the side of the outer shell by an insulating sleeve, and the lead wire passes directly through the insulating sleeve and is fixed by the clamping holes of the side plate.
This reduces costs, avoids the problem of misalignment between the leads and the insulating sleeve, and improves the stability of the leads and the airtightness of the circuit module housing.
Smart Images

Figure CN223528307U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit module shell field especially relates to a circuit module shell with lead positioning structure. BACKGROUND
[0002] For the microcircuit module full metal shell of side lead structure, the conventional method is to design the shell structure into movable cover plate and side plate, open round hole on the side plate to install plastic insulation sleeve, and weld L-shaped lead on the PCB board through customized welding fixture. During assembly, first, put the PCB board with welded lead into the inner cavity of the shell, lock the PCB board with screw; then, push the side plate into the shell from the side, let the lead pass through the insulation sleeve, and lock the side plate with screw; finally, install the cover plate.
[0003] This method has the following two problems: 1. Customized welding fixture increases cost; 2. Due to the machining deviation of the welding fixture and the shell and the deviation existing in the assembly process, the center of the lead and the insulation sleeve on the side plate are not concentric after the L-shaped lead is welded on the welding fixture and assembled into the shell, which further causes the lead to be stressed after assembly. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide a circuit module shell with lead positioning structure to solve the above problems.
[0005] The technical solution for solving the above technical problem of the utility model is as follows: a circuit module shell with lead positioning structure, comprising: a shell, a side plate, a cover plate, a PCB board, a plurality of leads and a plurality of insulation sleeves; the PCB board is arranged inside the shell, the side plate is adaptively inserted into the side edge of the shell, the cover plate is arranged at the top end of the shell, a plurality of the insulation sleeves are arranged side by side and adaptively clamped on the side edge of the shell, a plurality of the leads pass through the plurality of the insulation sleeves one by one and are connected with the PCB board, and the side plate is adaptively clamped with the insulation sleeve; a plurality of pressing holes are arranged side by side at the bottom end of the side plate, the pressing hole is an inverted U-shaped through hole, and the pressing hole is adaptively clamped on the insulation sleeve.
[0006] The utility model has the beneficial effects that: a plurality of inverted U-shaped pressing holes are arranged side by side at the bottom end of the side plate, which is conducive to changing the installation mode of the side plate into insertion from top to bottom and adaptively clamping with the insulation sleeve, and at the same time, the customized welding fixture for fixing the lead in the prior art is cancelled, and the lead is directly passed through the insulation sleeve after the insulation sleeve is adaptively clamped on the side edge of the shell, which avoids the problem that the center of the lead and the insulation sleeve is not concentric due to the machining deviation of the welding fixture and the shell, is conducive to reducing the stress of the lead after installation, and also reduces the cost.
[0007] On the basis of the above technical solution, the utility model can also be improved as follows.
[0008] Further, the side of the shell is provided with a plurality of positioning grooves arranged side by side, and the positioning grooves are two arc-shaped groove structures arranged in superposition.
[0009] The beneficial effect of the above further scheme is that the positioning grooves are arranged as two arc-shaped groove structures arranged in superposition, which is beneficial to adapt to the structure of the insulating sleeve and fix the insulating sleeve to the side of the shell.
[0010] Further, the insulating sleeve is a circular ring block structure arranged in superposition, and the insulating sleeve is arranged in the positioning groove.
[0011] The beneficial effect of the above further scheme is that space is provided for the lead wire to directly pass through the insulating sleeve, thereby canceling the welding clamp and avoiding the eccentricity of the lead wire and the insulating sleeve.
[0012] Further, the compression hole is arranged on the circular ring block structure of the insulating sleeve.
[0013] The beneficial effect of the above further scheme is that the insulating sleeve is pressed and fixed to the side of the shell by the side plate, thereby improving the stability of the lead wire.
[0014] Further, the lead wire is an L-shaped structure, the vertical section of the lead wire is inserted into the welding hole on the PCB, and the horizontal section of the lead wire passes through the insulating sleeve.
[0015] The beneficial effect of the above further scheme is that the lead wire is welded to the PCB and also passes through the insulating sleeve to be connected to the external equipment.
[0016] Further, the side plate and the cover plate are fixed to the shell by screws.
[0017] The beneficial effect of the above further scheme is that the entire circuit module shell structure is kept airtight. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 An overall structure explosion map is provided for the embodiment of the utility model;
[0019] Figure 2 An overall structure side view is provided for the embodiment of the utility model;
[0020] Figure 3 An overall structure top view is provided for the embodiment of the utility model;
[0021] Figure 4 A top view of the shell is provided for the embodiment of the utility model.
[0022] In the drawings, the components represented by each reference numeral are listed as follows:
[0023] 1, shell; 2, side plate; 3, cover plate; 4, PCB board; 5, lead; 6, insulating sleeve; 11, positioning groove; 21, pressing hole. DETAILED DESCRIPTION
[0024] The principles and characteristics of the utility model are described below, and the examples are only used to explain the utility model and not to limit the scope of the utility model.
[0025] As shown in Figure 1 A circuit module shell with lead positioning structure, comprising: a shell 1, a side plate 2, a cover plate 3, a PCB board 4, a plurality of leads 5 and a plurality of insulating sleeves 6; the PCB board 4 is arranged inside the shell 1, the side plate 2 is adapted to be inserted into the side of the shell 1, the cover plate 3 is arranged at the top end of the shell 1, a plurality of the insulating sleeves 6 are arranged side by side and adapted to be clamped on the side of the shell 1, a plurality of the leads 5 pass through the plurality of the insulating sleeves 6 one by one and are connected with the PCB board 4, and the side plate 2 is adapted to be clamped with the insulating sleeve 6; a plurality of pressing holes 21 are arranged side by side at the bottom end of the side plate 2, the pressing holes 21 are inverted U-shaped through holes, and the pressing holes 21 are adapted to be clamped on the insulating sleeve 6.
[0026] The utility model has the beneficial effects that: a plurality of inverted U-shaped pressing holes are arranged side by side at the bottom end of the side plate, which is conducive to changing the installation mode of the side plate to be inserted from top to bottom and being clamped with the insulating sleeve, and the customized welding clamp for fixing the lead in the prior art is cancelled, and the lead is directly passed through the insulating sleeve after the insulating sleeve is clamped on the side of the shell, thereby avoiding the problem of eccentricity between the lead and the insulating sleeve caused by the machining deviation of the welding clamp and the shell, reducing the stress on the lead after installation, and reducing the cost.
[0027] Preferably, as shown in Figure 1 and Figure 4 A plurality of positioning grooves 11 are arranged side by side at the side of the shell 1, and the positioning grooves 11 are two arc-shaped groove structures arranged in a stacked manner.
[0028] The beneficial effects of the above preferred scheme are that: the positioning grooves are arranged as two arc-shaped groove structures arranged in a stacked manner, which is conducive to adapting to the structure of the insulating sleeve and fixing the insulating sleeve on the side of the shell.
[0029] Preferably, as shown in Figure 1 and Figure 2 The insulating sleeve 6 is a two-ring block structure arranged in a stacked manner, and the insulating sleeve 6 is adapted to be arranged in the positioning groove 11.
[0030] The beneficial effect of the above preferred scheme is that it is beneficial to provide space for the lead wire to directly pass through the insulating sleeve, thereby canceling the welding clamp and avoiding the non-concentricity of the lead wire and the insulating sleeve.
[0031] Preferably, as shown in Figure 1 and Figure 2 The pressing hole 21 is adapted to be clamped on the annular block structure of the insulating sleeve 6.
[0032] The beneficial effect of the above preferred scheme is that it is beneficial to use the side plate to press and fix the insulating sleeve on the side of the shell, thereby improving the stability of the lead wire.
[0033] Preferably, as shown in Figure 1 The lead wire 5 is in an L-shaped structure, the vertical section of the lead wire 5 is inserted into the welding hole on the PCB board 4, and the horizontal section of the lead wire 5 passes through the insulating sleeve 6.
[0034] The beneficial effect of the above preferred scheme is that it is beneficial to connect the lead wire with the external equipment after the lead wire is welded with the PCB board and passes through the insulating sleeve.
[0035] Preferably, as shown in Figure 1 The side plate 2 and the cover plate 3 are fixed on the shell 1 by screws.
[0036] The beneficial effect of the above preferred scheme is that it is beneficial to keep the entire circuit module shell structure airtight.
[0037] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0038] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0039] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be the communication of two element internals or the interaction of two elements, unless another definite limitation.For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.
[0040] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be the communication of two element internals or the interaction of two elements, unless another definite limitation.For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.
[0041] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.
[0042] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.
Claims
1. A circuit module housing with lead positioning structure, characterized by, Include: The shell (1), side plate (2), cover plate (3), PCB board (4), a plurality of lead (5) and a plurality of insulating sleeve (6); The PCB board (4) is arranged in the inside of the shell (1), the side plate (2) is adapted to be inserted in the side of the shell (1), the cover plate (3) is arranged in the top end of the shell (1), a plurality of the insulating sleeve (6) is side by side and is adapted to be clamped in the side of the shell (1), a plurality of the lead (5) is one to one through a plurality of the insulating sleeve (6), and is connected with the PCB board (4), the side plate (2) is adapted to be clamped with the insulating sleeve (6); The bottom end of the side plate (2) is provided with a plurality of pressing holes (21) side by side, the pressing hole (21) is inverted U-shaped through hole, the pressing hole (21) is adapted to be clamped on the insulating sleeve (6).
2. The electrical circuit module housing with lead positioning structure of claim 1, wherein, The side of the shell (1) is provided with a plurality of positioning grooves (11) side by side, the positioning groove (11) is two superimposed arc-shaped groove structure.
3. The electrical circuit module housing with lead positioning structure of claim 2 wherein, The insulating sleeve (6) is two superimposed circular ring block structure, the insulating sleeve (6) is adapted to be arranged in the positioning groove (11).
4. The electrical circuit module housing with lead positioning structure of claim 3 wherein, The pressing hole (21) is adapted to be clamped on the circular ring block structure of the insulating sleeve (6).
5. The electrical circuit module housing with lead positioning structure of claim 1 wherein, The lead (5) is L-shaped structure, the vertical section of the lead (5) is inserted in the welding hole on the PCB board (4), the horizontal section of the lead (5) passes through the insulating sleeve (6).
6. The electrical circuit module housing with lead positioning structure of claim 1 wherein, The side plate (2) and the cover plate (3) are fixed on the shell (1) by screws.