Assembly for fixing a printed circuit board to a plug body, method for fixing a printed circuit board to a plug body

Abstract

An assembly (100) for fixing a printed circuit board (30) to a plug body (20) is shown, comprising a contact element (40) having a holding face (45) facing opposite to a plug-in direction (S) of the contact element (40), and a fixing member (50) which can be shifted into a fixing position (L) in which the printed circuit board (30) is fixed by the fixing member (50) in a form-fit manner at the holding face (45) against the plug-in direction (S). A method for fixing a printed circuit board (30) on a plug body (20) is also shown, wherein a holding face (45) of a contact element (14) facing opposite to a plug-in direction (S) is inserted through an opening (31) in the printed circuit board (30), and subsequently, a fixing member (50) is shifted into a fixing position (L) in which the printed circuit board (30) is fixed by the fixing member (50) in a form-fit manner at the holding face (45) against the plug-in direction (S).

Description

Technical Field

[0001] The present invention relates to an assembly for securing a printed circuit board to a plug body and a method for securing a printed circuit board to a plug body. Background Technology

[0002] Many plugs, such as those used in electric vehicles, include printed circuit boards (PCBs) that provide components for measurement, control, or communication with mating plugs. Typically, this PCB is attached to the plug body by one or more screws. However, this involves complex assembly and requires space. Summary of the Invention

[0003] The purpose of this invention is to provide a space-saving solution that is less complex to assemble.

[0004] According to the invention, this is achieved by an assembly for securing a printed circuit board to a plug body, the assembly including a contact element and a retaining member, the contact element having a retaining surface facing the insertion direction of the contact element, the retaining member being convertible to a fixed position in which the printed circuit board is fixed to the retaining surface in a form-fitting manner along the insertion direction by the retaining member.

[0005] Similarly, this objective is achieved by a method of securing a printed circuit board to a plug body, wherein the retaining surface of the contact element, oriented opposite to the insertion direction, is inserted through an opening in the printed circuit board, and subsequently, a retaining member is switched to a fixed position in which the printed circuit board is held at the retaining surface in a form-fitting manner along the insertion direction by the retaining member.

[0006] This solution saves space and is less complicated to assemble by using contact elements for fixing.

[0007] The solution according to the invention can be further improved by the following further modifications and embodiments, each of which is individually advantageous and can be combined in any way.

[0008] In an advantageous embodiment, in the release position, the printed circuit board is not fixed along the mating direction. Specifically, in this release position, the printed circuit board and contact elements can move relative to each other along and / or against the mating direction. In such a release position, the printed circuit board and contact elements can be placed adjacent to each other. Subsequently, by moving out of the release position, particularly by transitioning to the fixed position, movement of the printed circuit board relative to the contact elements along the mating direction can be prevented.

[0009] The mating direction can refer to the direction in which the contact element moves relative to the printed circuit board as it is inserted through the board. In some applications, the contact element may be initially mounted in the plug body, and subsequently, the printed circuit board may be guided onto and / or around the contact element along an assembly direction. The contact element may then protrude through the printed circuit board. For example, the contact element may initially be inserted into the plug body along an assembly direction. The assembly direction then preferably extends against the mating direction.

[0010] The insertion direction can preferably extend parallel to the contact direction of the plug and the mating plug.

[0011] The contact elements fixed to the printed circuit board in a fixed position can be low-voltage contact elements and / or contact elements used for signals. Therefore, leakage current between the contact elements and the printed circuit board can be reduced or prevented.

[0012] For further positioning, the printed circuit board (PCB) can also be fixed in a form-fitting manner against the insertion direction. For example, the PCB can be fixed to the plug body in a form-fitting manner against the insertion direction. To this end, the plug body may include a support surface that partially faces the insertion direction. The PCB can rest flat on the support surface.

[0013] In another embodiment, the printed circuit board can be fixed in a fixed position in a form-fitting manner against the insertion direction at a mating retaining surface opposite to the retaining surface at the contact element. In such an embodiment, the printed circuit board can be fixed along and against the insertion direction by the contact element in a form-fitting manner. The fixing member can serve as a contact retainer, which prevents the contact element from moving relative to the plug body in the fixed position. Here, the fixing member can fix the contact element directly or indirectly, for example, via the printed circuit board in a form-fitting manner along and / or against the insertion direction.

[0014] The plug body and contact elements can be directly or indirectly connected to or fixed relative to each other along and / or against the insertion direction to prevent the printed circuit board from moving relative to the plug body. Preferably, this connection or retention can be releasable.

[0015] The retaining surface can be arranged at the cut-off portion of the contact element. Therefore, mechanically stable retention can be achieved. Specifically, the retaining surface can be arranged at the mushroom-shaped end of the contact element.

[0016] The contact element may include a neck segment located between the end and the shank. The diameter of this neck segment may be smaller than that of the end to allow for retention and to provide a retaining surface. For retention against the mating direction, the diameter of the neck segment may be smaller than that of the shank. The mating retaining surface may be provided with different diameters.

[0017] For simple assembly, the fixing member can be open perpendicular to the insertion direction. It can then be moved to the fixed position in a simple manner, preferably linearly. For example, the fixing member can be implemented as an elliptical hole and / or a fork-like structure open on one side. The forked portion of this fork can protrude from other components.

[0018] In another embodiment, the retaining member may include a through-hole extending along the insertion direction. A contact element can then be inserted through the through-hole along the insertion direction. With further movement, such as extension perpendicular to the insertion direction, the retaining member can then be moved to a fixed position.

[0019] A through-hole may include a insertion section and a fixing section, through which a contact element may be inserted at least partially, and which is fixed in the fixing section against the insertion direction. For example, viewed along the insertion direction, the through-hole may have an approximately keyhole-shaped cross-section.

[0020] To achieve simple guidance, the fixing component can have a constant thickness. The thickness can be measured along the insertion direction.

[0021] The fixing components can be arranged on components that are separate from the printed circuit board and the plug body. In such an embodiment, the complexity of the individual components can be reduced, thereby making these components easier to manufacture.

[0022] In an advantageous embodiment, the retaining member may be part of a retaining element that includes at least one additional retaining member, wherein, in a fixed position, the additional retaining member secures at least one additional contact element in place in a form-fit manner against the insertion direction. This allows for particularly easy operation, as multiple components, such as a printed circuit board and at least one additional contact element, can be secured with a single movement. Retention of the other contact element can be achieved with or without the inserted printed circuit board. Here, the retaining element can function as a contact retainer for the other contact element, by which movement of at least one other contact element along and / or against the insertion direction is prevented.

[0023] In particular, the fixing member can be a segment of the fixing element. Preferably, the fixing element has a single-piece design. This can facilitate assembly, as only a single element needs to be attached.

[0024] For ease of assembly, the printed circuit board can extend below the retaining member, especially in the release position. Therefore, movement of the retaining member relative to the printed circuit board can be facilitated, as jamming or obstruction of the retaining member during transition to the fixed position is specifically prevented.

[0025] To keep the structure simple, the printed circuit board may include openings for contact elements, such as contact elements for securing the printed circuit board and / or for additional contact elements.

[0026] In another embodiment, additional contact elements may be offset relative to the printed circuit board. Therefore, leakage current can be effectively prevented or reduced.

[0027] Other contact elements can be high-voltage or high-current contacts, for example, through which high-power charging energy flows.

[0028] The fixing member may include a contact opening for receiving the contact element. The contact element can be fixed in the contact opening by the fixing member.

[0029] In order to establish electrical contact with components on a printed circuit board in a simple manner, in a fixed position, a contact element can be pressed against a mating contact element on the printed circuit board, especially by means of a fixing member.

[0030] The mating contact element may include or be implemented as a spring, particularly a leaf spring. Therefore, a force can be generated that presses the contact element and the mating contact element against each other.

[0031] In an advantageous embodiment, the contact elements are arranged at the edge of the opening. This allows the structure to remain compact and enables automatic contact.

[0032] According to another advantageous embodiment, in a fixed position, the printed circuit board is clamped by a retaining member. This enhances the retention effect. In particular, the printed circuit board can be clamped between the retaining member and the contact element, especially between the mating contact surfaces of the retaining member and the contact element.

[0033] To achieve the clamping effect, the thickness of the fixing member can be varied along the path to the fixing position, in particular, increased. The thickness of the portion of the fixing member that abuts against the retaining surface when in the fixing position can be greater than the thickness of the portion of the fixing member that abuts against the retaining surface or is located below the retaining surface when not in the fixing position.

[0034] To achieve simple and safe movement, the path along which the fixed component is brought to the fixed position can extend perpendicular to the insertion direction.

[0035] The fixing member may include or be implemented as a guide member that guides the fixing member to a fixed position. This allows for simple operation. For example, in a fork-shaped embodiment, two adjacent fork-shaped portions may together serve as guide members.

[0036] In one embodiment with a fixing element, the fixing element may include a plurality of fixing members, each having at least one guide member, wherein the combination of guide members defines a single guide path for the fixing element. This is advantageous because multiple elements, such as a printed circuit board and at least one additional contact element, can be fixed by a single movement. One possibility for defining a single guide path is to have the guide members extend parallel to each other. This allows for simple linear movement. Other embodiments are also possible, such as retention by rotational movement.

[0037] According to another advantageous embodiment, the printed circuit board is held in a pre-fixed position by at least one retaining member in a form-fitting manner along the insertion direction, and at least one additional contact element is not fixed by a corresponding retaining member. This is particularly advantageous in assembly. In a first step, the printed circuit board and possibly the first contact element can be fixed in the pre-fixed position. Subsequently, at least one additional contact element can be inserted and then fixed by transitioning it to the fixed position.

[0038] To increase stability, the assembly may include a blocking element that blocks the retaining member along the insertion direction when the retaining member is in the blocking position. Specifically, the retaining member may be in a fixed position. The blocking element may be part of a plug or mating plug.

[0039] The component may include a locking mechanism that locks the fixing member or fixing element in a fixed position. Locking can be particularly automatic during the transition to the fixed position. The locking mechanism may include elements located on the plug body and the fixing member or fixing element, respectively.

[0040] The invention will now be described in more detail by way of advantageous embodiments with reference to the accompanying drawings. The advantageous further modifications and embodiments shown herein are independent of each other and can be combined with each other as needed for the application. For simplicity, elements and functions appearing in several embodiments may be shown in detail only once. Attached Figure Description

[0041] In the attached diagram:

[0042] Figure 1 A schematic partial cross-sectional perspective view of an embodiment of the component in a pre-assembled position is shown;

[0043] Figure 2 The device is shown in the release position. Figure 1 A schematic partial cross-sectional perspective view of an embodiment;

[0044] Figure 3 The device is shown in the release position. Figure 1A schematic top view of an embodiment;

[0045] Figure 4 It shows the pre-fixed position. Figure 1 A schematic partial cross-sectional perspective view of an embodiment;

[0046] Figure 5 It shows the pre-fixed position. Figure 1 A schematic top view of an embodiment;

[0047] Figure 6 It shows that it is in Figure 4 and Figure 5 Pre-fixed position Figure 1 A schematic top view of an embodiment, which has additional contact elements;

[0048] Figure 7 It shows a fixed position Figure 1 A schematic partial cross-sectional perspective view of an embodiment;

[0049] Figure 8 It shows a fixed position Figure 1 A schematic top view of an embodiment;

[0050] Figure 9 It shows a fixed position Figure 1 Detailed views of the embodiments;

[0051] Figure 10 A schematic partial cross-sectional perspective view of another embodiment of the component in a pre-assembled position is shown;

[0052] Figure 11 The pre-assembled position is shown. Figure 10 Detailed views of the embodiments;

[0053] Figure 12 The device is shown in the release position. Figure 10 A schematic partial cross-sectional perspective view of an embodiment;

[0054] Figure 13 It shows the pre-fixed position. Figure 10 A schematic perspective view of a portion of an embodiment;

[0055] Figure 14 It shows the pre-fixed position. Figure 10 A schematic partial cross-sectional perspective view of an embodiment;

[0056] Figure 15 It shows a fixed position Figure 10 A schematic perspective view of a portion of an embodiment;

[0057] Figure 16It shows a fixed position Figure 10 A schematic partial cross-sectional perspective view of an embodiment;

[0058] Figure 17 It shows a fixed position Figure 10 Detailed views of an embodiment. Detailed Implementation

[0059] exist Figures 1 to 9 The image shows a first embodiment of an assembly 100 for securing a printed circuit board 30 to a plug body 20. The assembly 100 may be, for example, part of a plug 110 for charging an electric vehicle. In such a plug 110, a printed circuit board 30 is often present for monitoring or controlling the charging process or measuring relevant parameters. For this purpose, for example, mating contact elements 35 for contact elements 40 of the plug 110 may be present on the bottom of the printed circuit board 30 to measure voltage.

[0060] In the example shown, each printed circuit board 30 is shown as transparent so that the components behind them can be seen.

[0061] In the assembly 100 shown, the connection between the printed circuit board 30 and the plug body 20 via screws can be omitted. When the fixing member 50 is in the fixed position L, the printed circuit board 30 is held by the fixing member 50 in a form-fit manner.

[0062] exist Figure 1 The pre-assembly position V is shown in the diagram. After the contact element 40 has been inserted into the contact element holder or opening 21 in the plug body 20 along the assembly direction M, the retaining element 60 with a plurality of retaining members 50 is now attached to the plug body 20 along the assembly direction M.

[0063] exist Figure 2 and Figure 3 The diagram shows the release position F. The retaining element 60 abuts against the plug body 20, and the contact element 40 protrudes through the printed circuit board 30 and the retaining member 50 along the insertion direction S. Specifically, the contact element 40 protrudes through the insertion section 52 of the retaining member 50. The contact element 40 is a low-voltage contact element. In the release position F, only the low-voltage contact element is inserted into the plug body 20.

[0064] Now, by moving the fixing element 60 along the path segment 95, the fixing member 50 is brought to the pre-fixed position P. The path segment 95 extends here perpendicular to the insertion direction S and parallel to the plane E. The plane E is defined by a first lateral direction Q1 and a second lateral direction Q2, each extending perpendicular to the insertion direction S. The presence of multiple fixing members 50 at the fixing element 60 results in a single guide path 96 along which the fixing element 60 is guided.

[0065] Figure 4 and Figure 5 The pre-fixed position P is shown. Specifically, it can be seen that the inserted contact element 40 has already been secured to the printed circuit board 30 via the retaining element 60 in a form-fit manner. At the pre-fixed position P, additional contact elements 40, 42 can now be inserted, particularly high-voltage or high-current contact elements, see [reference needed]. Figure 6 .

[0066] By further moving the retaining element 60 along the guide path 96, the retaining member 50 can be brought to the fixed position L. In the fixed position L, the printed circuit board 30 is fixed to the retaining surfaces 45 of the first contact elements 40, 41 in a form-fitting manner along the insertion direction S by the retaining member 50. In the fixed position L, the retaining element 60 also functions as a contact retainer 75 for the contact elements 40, 41, 42, fixing the positions of the contact elements 40, 41, and 42 along and / or against the insertion direction S.

[0067] As shown in the figure, for example, in Figure 8 In this assembly, the fixing member 50 includes a contact opening 58 or a through hole 51, which is generally keyhole shaped. The insertion section 52 has an approximately circular cross-section to allow the insertion of the contact element 40. A fixing section 53 with a reduced diameter and profile is connected to the insertion section 52. In the fixing section 53, the contact element 40 is held in a fixed position L by a form-fitting arrangement. The contact opening 58 or through hole 51 is open only along and against the insertion direction S.

[0068] exist Figure 9 The retaining mechanism is shown in cross-sectional view. The contact element 40 is inserted into the opening 21 of the plug body 20. The stop surface 93 of the contact element 40 abuts against the mating stop surface 91 of the plug body 20, thereby preventing further movement of the contact element 40 against the insertion direction S. Movement of the contact element 40 along the insertion direction S is stopped by a locking element 94 at the contact element 40, which locks with a mating locking element 92 at the plug body 20. Therefore, the contact element 40 is fixed in the plug body 20 along and against the insertion direction S in a form-fit manner.

[0069] The printed circuit board 30 is held in the insertion direction S by the retaining surface 45 of the contact element 40 abutting against the fixing surface 59 of the fixing member 50. The fixing surface 59 is part of the fixing section 53. Both the retaining surface 45 and the fixing surface 59 extend perpendicular to the insertion direction S and face opposite directions.

[0070] A retaining surface 45 is disposed at the cut-off portion 43 of the contact element 40. The neck section 46 of the contact element 40 has a smaller diameter compared to the end portion 48 and the handle portion 49. The contact element 40 has a mushroom-shaped end 44.

[0071] The printed circuit board 30 is fixed against the insertion direction S by abutting the plug body 20 at the support surface 25 in a form-fit manner. On the other hand, the mating retaining surface 47 at the contact element 40 prevents the printed circuit board 30 from moving relative to the contact element 40 against the insertion direction S. The mating retaining surface 47 extends perpendicular to the insertion direction S and is oriented opposite to the retaining surface 45.

[0072] Due to the form-fit connection between the plug body 20, contact element 40, printed circuit board 30 and fixing member 50, these elements are held together directly and indirectly in a form-fit manner along and against the insertion direction S.

[0073] exist Figure 8 The locking mechanism 81 can also be seen, which locks and secures the fixing element 60 in the fixed position L. The locking mechanism 81 has a locking protrusion 82 at the plug body 20 and a locking protrusion 86 at the fixing element 60. During the process of moving the fixing element 60 to the fixed position L, the locking protrusion 86 initially deflects relative to the locking protrusion 82 due to the spring section 83 and the two ramp sections. When the fixed position L is reached, the locking protrusion 86 then automatically protrudes, and the two stop surfaces at the locking protrusions 82 and 86 abut against each other and prevent movement away from the fixed position L. To unlock the locking mechanism 81 again, the locking protrusions can be manually deflected, for example.

[0074] exist Figures 10 to 17 Another embodiment of component 100 is shown in the figure.

[0075] According to Figure 10 and Figure 11 In the pre-assembly position V, the contact element 40 is inserted through the printed circuit board 30 along the insertion direction S. This is achieved by the printed circuit board 30 being guided via the contact element 40 and around the contact element 40 in an assembly direction M extending in the opposite direction to the insertion direction S. During this process, the upper part of the contact element 40 is inserted through the opening 31 with the retaining surface 45. Previously, the contact element 40 had been re-inserted into the plug body 20 and secured there along and against the insertion direction S.

[0076] In addition, a sealing element 98 is provided at the contact element 40, which achieves a seal between the contact element 40 and the plug body 20.

[0077] Subsequently, the fixing element 60 is attached, see Figure 12 During this process, the retaining member 50 remains located next to the corresponding contact element 40. The assembly 100 is in the released position F, in which the contact element 40 has not yet been fastened or secured by the retaining member 50 along the insertion direction S.

[0078] The transition to the pre-fixed position P is achieved by the movement of the fixing element 60 and the fixing member 50 (the fixing member 50 being a segment or portion of the fixing element 60), wherein at least the first contact elements 40, 41 have been fixed in a form-fitting manner along the insertion direction S. In this case, the fixing member 50 is implemented as a fork shape or has an open elliptical hole 54. The elliptical hole 54 opens perpendicular to the insertion direction S, thereby allowing easy reception of the neck segment 46 of the contact element 40 by movement perpendicular to the insertion direction S. Since the printed circuit board 30 already extends below the fixing element 60 in the release position F, jamming during further movement is prevented.

[0079] The fixing member 50 includes two forked portions 57 extending parallel to each other. Here, the distance 157 between the two forked portions 57 is constant along the path segment 95. Therefore, the path segment 95 is simultaneously the guide path 96 of the guide member 55 formed by the fixing member 60. In another embodiment, the distance 157 may also decrease towards the fixed position L, for example, to facilitate the initial connection of the contact element 40 while simultaneously ensuring lateral positioning at the fixed position L.

[0080] The thickness 150 of the fork-shaped portion 57 and thus the thickness 150 of the fixing member 50 are also constant. In other embodiments, this thickness 150 may be increased toward the fixed position L to achieve a clamping effect. However, in the example shown, the contact force at the printed circuit board 30 is already generated by the mating contact element 35 implemented as a spring.

[0081] According to Figures 1 to 9 In contrast to embodiments where the fixing member 50 includes an opening in the plate, in this embodiment, the fixing member 50 protrudes from the remainder of the fixing element 60. Furthermore, here, the fixing member 50 is laterally open, i.e., open perpendicular to the insertion direction S.

[0082] For example in Figure 13 As can be seen, the neck section 46 of the contact element 40 can center the contact element 40 in the opening 31 of the board or printed circuit board 30, thereby positioning the mating contact element 35 to the horizontal contact surface of the contact element 40.

[0083] For example, such as Figure 14 As shown, at the pre-fixed position P, at least one additional contact element 40 can be inserted. Because the second contact element 40, 42 has not yet achieved form-fit retention in the pre-fixed position P, it can be inserted along or against the insertion direction S.

[0084] By moving further along path segment 95, fixing element 60 is now switched to fixed position L. In fixed position L, all contact elements 40, 41, 42 are fixed directly or indirectly along and against the insertion direction S.

[0085] exist Figure 17 In the diagram, the blocking element 80 is shown in blocking position B, in which the movement of the fixing member 50 in the insertion direction S is blocked. This increases mechanical stability.

[0086] also, Figure 17 It is shown that the diameter 146 of the neck section 46 of the contact element 40 is smaller than the diameter 148 of the end 48 and the diameter 149 of the handle 49. The retaining surface 45 is again arranged at the cut-out portion 43 of the contact element 40.

[0087] Figure Labels

[0088] 20. Plug body

[0089] 21 Opening

[0090] 25 Support surface

[0091] 30 Printed Circuit Boards

[0092] 31 Opening

[0093] 35. Matching contact elements

[0094] 40 Contact elements

[0095] 41 First contact element

[0096] 42 Second contact element

[0097] 43. Resection section

[0098] 44 end

[0099] 45. Maintain surface

[0100] 46. ​​Neck section

[0101] 47. Fitting and maintaining surfaces

[0102] 48 End

[0103] 49. Handle

[0104] 50 Fixed components

[0105] 51 Through Hole

[0106] 52. Connecting section

[0107] 53 Fixed Sections

[0108] 54 Open oval hole

[0109] 55. Guiding components

[0110] 57. Forked portion

[0111] 58 Contact opening

[0112] 59 Fixed surface

[0113] 60 Fixing Components

[0114] 70 Contact opening

[0115] 75 Contact retainer

[0116] 80 blocking element

[0117] 81 Locking Mechanism

[0118] 82 Locking Protrusion

[0119] 83 Spring Section

[0120] 86 Locking protrusions

[0121] 91 Matching stop surface

[0122] 92. Matching locking element

[0123] 93 Stop surface

[0124] 94 Locking element

[0125] 95. Path segment

[0126] 96. Boot Path

[0127] 98 Sealing elements

[0128] 100 components

[0129] 110 plug

[0130] 146 diameter

[0131] 148 diameter

[0132] 149 diameter

[0133] 150mm thickness

[0134] 157 Distance

[0135] B Blocking position

[0136] E plane

[0137] F Release Position

[0138] L Fixed position

[0139] M Assembly Direction

[0140] P Pre-fixed position

[0141] Q1 First horizontal direction

[0142] Q2 Second Horizontal Direction

[0143] S Connection direction

[0144] V Pre-assembly position

Claims

1. An assembly (100) for fixing a printed circuit board (30) to a plug body (20), comprising a contact element (40) and a fixing member (50), the contact element having a holding face (45) facing in the opposite direction to a plug-in direction (S) of the contact element (40), the fixing member being able to be shifted into a fixing position (L) in which the printed circuit board (30) is fixed to the holding face (45) in the plug-in direction (S) in a form-fit manner by the fixing member (50), wherein In the fixed position (L), the printed circuit board (30) is fixed to the contact element (40) in a form-fit manner against the plug-in direction (S) to a mating holding face (47) which is oriented opposite the holding face (45).

2. The assembly (100) according to claim 1, wherein In the fixed position (L), the printed circuit board (30) is fixed to the plug body (20) in a form-fit manner against the plug-in direction (S).

3. The assembly (100) according to any one of claims 1 to 2, wherein, The holding face (45) is arranged at a cutout (43) of the contact element (40).

4. The assembly (100) according to any one of claims 1 to 2, wherein, The contact element (40) comprises a neck section (46) between a tip (48) and a shank (49).

5. The assembly (100) according to any one of claims 1 to 2, wherein, The fixing member (50) opens perpendicularly to the plug-in direction (S).

6. The assembly (100) according to any one of claims 1 to 2, wherein, The fixing member (50) comprises a through-hole (51) which extends along the plug-in direction (S).

7. The assembly (100) according to any one of claims 1 to 2, wherein, The fixing member (50) is part of a fixing element (60) which comprises at least one further fixing member (50), wherein, in the fixed position (L), the further fixing member (50) fixes at least one further contact element (40, 42) in a form-fit manner against the plug-in direction (S).

8. The assembly (100) according to any one of claims 1 to 2, wherein, In the fixed position (L), the contact element (40) is pressed against a mating contact element (35) at the printed circuit board (30).

9. The assembly (100) according to any one of claims 1 to 2, wherein, In the fixed position (L), the printed circuit board (30) is clamped by the fixing member (50).

10. The assembly (100) according to any one of claims 1 to 2, wherein, The path section (95) along which the fixing member (50) reaches the fixed position (L) extends perpendicularly to the plug-in direction (S).

11. The assembly (100) according to any one of claims 1 to 2, wherein, The fixing member (50) comprises a guide member (55) which guides the fixing member (50) to the fixed position (L).

12. The assembly (100) of claim 7, wherein, The fixing element (60) comprises a plurality of fixing members (50), each of which has at least one guide member (55), wherein the combination of the guide members (55) defines one single guide path (96) for the fixing element (60).

13. The assembly (100) according to any one of claims 1 to 2, wherein, In a pre-fixed position (P) in which the printed circuit board (30) is held in a form-fit manner by the at least one fixing member (50) along the plug-in direction (S), at least one further contact element (40, 42) is not fixed by a corresponding fixing member (50).

14. A method of securing a printed circuit board (30) to a plug body (20), wherein, The holding face (45) of the contact element (40) which faces opposite the plug-in direction (S) is inserted through an opening (31) in the printed circuit board (30) and subsequently, the fixing member (50) is transferred to a fixed position (L) in which the printed circuit board (30) is held in a form-fit manner at the holding face (45) by the fixing member (50) along the plug-in direction (S), wherein, in the fixed position (L), the printed circuit board (30) is fixed to the contact element (40) in a form-fit manner against the plug-in direction (S) to a mating holding face (47) which is oriented opposite the holding face (45).

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