阅读说明：本技术 保持框架和具有这种保持框架的插接连接器 (Holding frame and plug connector with such a holding frame ) 是由 凯文·贝格哈恩 于 2021-06-10 设计创作，主要内容包括：本发明涉及一种用于插接连接器的保持框架(100),该保持框架用于容纳至少一个接触嵌件(200),该保持框架具有-基础框架(110),其具有第一侧壁(111)、与第一侧壁(111)相对的第二侧壁(112)、第一端壁(113)和与第一端壁(113)相对的第二端壁(114),其中第一侧壁(111)、第二侧壁(112)、第一端壁(113)和第二端壁(114)包围基础框架(110)的内部空间(115),接触嵌件(200)能够沿插入方向(E)插入到内部空间中,以及-至少两个设置在基础框架(110)上的固定元件(116),其在固定位置中将至少一个接触嵌件(200)保持在基础框架(110)上,其中固定元件(116)在所述基础框架(110)上设置成,使得所述固定元件(116)为了从打开位置转移到所述固定位置而能够沿插入方向(E)移动,在所述打开位置中所述至少一个接触嵌件(200)能够插入到所述固定元件(116)中。(The invention relates to a holding frame (100) for a plug connector for receiving at least one contact insert (200), comprising a base frame (110) having a first side wall (111), a second side wall (112) opposite the first side wall (111), a first end wall (113) and a second end wall (114) opposite the first end wall (113), wherein the first side wall (111), the second side wall (112), the first end wall (113) and the second end wall (114) enclose an interior (115) of the base frame (110) into which the contact insert (200) can be inserted in an insertion direction (E), and at least two fastening elements (116) arranged on the base frame (110) which hold the at least one contact insert (200) in a fastening position on the base frame (110), wherein the fastening elements (116) are arranged on the base frame (110), such that the fastening element (116) can be moved in an insertion direction (E) for the purpose of being transferred from an open position, in which the at least one contact insert (200) can be inserted into the fastening element (116), to the fastening position.)

1. A holding frame (100) for a plug connector for receiving at least one contact insert (200) has a holding frame

-a base frame (110) having a first side wall (111), a second side wall (112) opposite the first side wall (111), a first end wall (113) and a second end wall (114) opposite the first end wall (113), wherein the first side wall (111), the second side wall (112), the first end wall (113) and the second end wall (114) enclose an interior space (115) of the base frame (110) into which the contact insert (200) can be inserted along an insertion direction (E), and

-at least two fastening elements (116) arranged on the base frame (110), which fastening elements hold the at least one contact insert (200) on the base frame (110) in a fastening position, wherein the fastening elements (116) are provided on the base frame (110) such that the fastening elements (116) can be moved in an insertion direction (E) for the purpose of being transferred from an open position, in which the at least one contact insert (200) can be inserted into the fastening elements (116), to the fastening position.

2. The holding frame (100) according to claim 1, characterised in that the fixing elements (116) each have two holding arms (117a, 117b) for holding at least one contact insert (200) in a fixed position, wherein the two holding arms (117a, 117b) can be moved toward one another transversely to the insertion direction (E) when the respective fixing element (116) is transferred from the open position into the fixed position.

3. The holding frame (100) according to claim 2, wherein the holding arms (117a, 117b) each have a C-shape.

4. The holding frame (100) according to one of claims 1 to 3, characterized in that a guide contour (134) is formed on the base frame (110) for each fixing element (116), in which guide contour the fixing element (116) is guided when being transferred into the open position and into the fixing position.

5. The holding frame (100) according to claim 4, characterised in that the guide profile (134) tapers at least partially in the insertion direction (E) in a guide region of the holding arm (117a, 117 b).

6. The holding frame (100) according to one of claims 1 to 5, characterized in that the fixing elements (116) each have a first guide arm (122a) and a second guide arm (122b), wherein the first guide arm (122a) extends along an inner surface (123) of the base frame (110) facing in the direction of the interior space (115), and wherein the second guide arm (122b) extends along an outer surface (124) of the base frame (110) facing away from the interior space (115).

7. The holding frame (100) according to claim 6, characterised in that latching regions (125, 127) are formed on the first guide arm (122a) and the second guide arm (122b), respectively, which latching regions interact with latching regions (126, 128) formed on the base frame (110).

8. The holding frame (100) according to claim 7, characterized in that a release region (131) for releasing the latching between the respective fixing element (116) and the base frame (110) is formed on the second guide arm (122b), wherein the release region (131) is configured on a free end (132) of the second guide arm (122b), which free end overlaps the base frame (110) in the insertion direction (E) in the fixing position.

9. Plug connector having a housing, a holding frame (100) arranged in the housing and at least one contact insert (200) accommodated in the holding frame (100), characterized in that the holding frame (100) is constructed according to one of claims 1 to 8.

10. Electronic device with at least one plug connector according to claim 9.

Technical Field

The invention relates to a holding frame for a plug connector for receiving at least one contact insert. The invention also relates to a plug connector having such a holding frame and to an electronic device.

Background

Such a holding frame is used for modularizing, for example, contact inserts on a plug connector. One or more contact inserts can be arranged on such a holding frame in order to be inserted together with the holding frame into a housing of a plug connector or a plug connector and to be connected to the housing by the holding frame. In this way, the contact inserts can be combined with one another in a modular manner and arranged in or on the plug connector by means of the retaining frame.

Such a contact insert may have, for example, one or more electrical contacts. In this case, the contact inserts are connected on the one hand to the lines leading to the plug connector and on the other hand form plug contacts, by means of which the plug connector can be brought into a plug-in engagement with the corresponding plug connector for electrical contact.

Such a modular contact insert offers the advantage of a flexible assemblability and thus a variable availability of the plug connector.

If the contact insert is inserted into the holding frame, it is necessary to hold the contact insert on the holding frame in order to be able to mount the holding frame together with the contact insert, for example, on a plug connector. In the holding frame known from DE 102012110907 a1, for this purpose, a second holding frame part can be mounted on the first holding frame part, which has a recess for receiving the projecting element of the contact insert, in order in this way to lock the projecting element inserted into the recess and thus to the holding frame.

In the holding frame known from DE 202012103360U 1, two kinds of recesses are provided on the frame wall. The projecting elements of the contact insert can be inserted in a snap-in manner into a first recess in the upper edge of the frame wall, while the pin-shaped profile of the contact insert can engage in a snap-in manner with a second recess in the form of an opening.

Disclosure of Invention

The object of the invention is to provide a holding frame, a plug connector and an electronic device, which, in particular, enable a simple handling of the contact insert when the contact insert is inserted into the holding frame, and at the same time enable a secure locking of the contact insert on the holding frame.

According to the invention, this object is solved by the features of the independent claims. Advantageous embodiments and advantageous refinements of the invention are specified in the dependent claims.

The holding frame according to the invention is characterized by a base frame having a first side wall, a second side wall opposite the first side wall, a first end wall and a second end wall opposite the first end wall, wherein the first side wall, the second side wall, the first end wall and the second end wall enclose an interior space of the base frame into which the contact insert can be inserted in the insertion direction. The holding frame also has at least two holding elements arranged on the base frame, which hold the at least one contact insert on the base frame in a fixed position, wherein the holding elements can be moved in an insertion direction for the purpose of being transferred from an open position, in which the at least one contact insert can be inserted into the holding elements, to the fixed position.

According to the invention, provision is also made for a fastening element to be provided for fastening the contact insert inserted into the base frame, which fastening element can be moved into the open position and into the fastening position by a translational movement of the fastening element relative to the base frame. The translational movement of the fastening element is carried out parallel to the insertion direction of the contact insert into the interior of the base frame. The translational movement of the entire fixation element is preferably a purely linear movement. The translational movement of the fastening element, in particular from the open position into the fastening position, can be triggered by an insertion movement of the contact insert itself. When the contact inserts are inserted, they can rest with their projecting elements against the fastening elements, so that the contact inserts can press the fastening elements together with them in the insertion direction by means of their projecting elements. The operation for fastening the contact insert to the base frame and thus to the holding frame can thereby be carried out particularly easily for the user, since the fastening element does not have to be actuated directly by the user, but rather the actuation of the fastening element can be carried out solely by a movement of the respective contact insert.

The fastening elements preferably each have two retaining arms for retaining the at least one contact insert in a fixed position, wherein the two retaining arms can be moved toward one another transversely to the insertion direction when the respective fastening element is transferred from the open position into the fixed position. By means of the two holding arms, a respective projecting element can be held and fixed in a fixed position. The two holding arms of the fastening element can surround or grip the projecting element laterally and thus transversely to the end face of the projecting element. The protruding element of the inserted contact insert can be held in a fixed position between two holding arms of the fixing element. The two retaining arms of the fixing element can act in a pincer-like manner to clamp the projecting element of the contact insert between them. The two holding arms can be connected to one another by a connecting section. The two retaining arms may form a U-shape together with the connecting section. The projecting element can be supported on the connecting section from the underside in the fixed state. The connecting section can form a bearing surface for the projecting element of the inserted contact insert. The connecting section can rest in a fixed position on an edge surface of the base frame that points opposite to the insertion direction. In the open position, the connecting section is preferably spaced apart from the edge face. Only by a translational movement of the fastening element in the insertion direction when switching from the open position to the fastening position is it preferred for the connecting section of the fastening element to abut against the edge face of the base frame.

The two retaining arms may each have a C-shape. Due to the C-shape, the two retaining arms can enclose a projecting element on two opposite sides and be clamped between them. Due to the C-shape, in the fixing position, the retaining arm can exert a force on the respective projecting element from above to prevent the projecting element and thus the contact insert from being accidentally released again from the inner space of the base frame in a direction opposite to the insertion direction. By means of the C-shape, the two retaining arms can press the projecting element against the connecting section, so that a reliable retaining of the projecting element in the fixed position can be ensured.

In order to be able to achieve a positionally reliable guidance of the fastening elements on the base frame, a guide contour can be formed for each fastening element on the base frame, in which the fastening element can be guided when being transferred into the open position and into the fastening position. Each guide contour can be formed by one or more recesses formed on the base frame, in particular on a wall of the base frame, wherein two opposite side faces along which the respective fastening element can slide, in particular with its outer edge face, can be formed on the guide contour.

The guide contour can be designed such that it tapers at least in regions in the insertion direction in the guide region of the holding arm. By the tapering of the guide contour, the holding arms of the fastening element can be automatically moved toward one another, in particular deflected toward one another, during the translational movement of the fastening element. The guide profile may produce a forced movement of the holding arm.

For guiding and retaining the fixing element on the base frame, the fixing element may comprise a first guide arm and a second guide arm, respectively, wherein the first guide arm may extend along an inner surface of the base frame facing in the direction of the inner space, and wherein the second guide arm may extend along an outer surface of the base frame facing away from the inner space. The fastening element can thus be held and guided particularly stably both on the inner surface and on the outer surface of the base frame. The first and second guide arms preferably extend parallel to each other in the insertion direction. The two guide arms may be connected to the connecting section such that the two guide arms may be connected to each other via the connecting section. The two guide arms may extend from the connecting section in the insertion direction and the two retaining arms may extend from the connecting section opposite to the insertion direction. The two holding arms can extend at an angle of 90 ° with respect to the two guide arms. The second guide arm extending along the outer surface of the base frame is preferably configured to be longer than the first guide arm extending along the inner surface of the base frame. The two guide arms can be guided in the guide profile. For this purpose, the guide profiles can be configured on the inner and outer surfaces of the base frame.

In order to be able to prevent the fastening element from undesirably slipping off or falling off the base frame, latching regions can be formed on the first guide arm and the second guide arm, respectively, which latching regions can interact with latching regions formed on the base frame. By means of the latching region, the respective fastening element can be latched to the base frame via its guide arms. Preferably, the shape and design of the latching region formed on the first guide arm differs from the shape and design of the latching region on the second guide arm. The latching regions on the base frame can each be designed as a latching projection. The latching region on the first guide arm can be designed in the form of an oblong opening into which the latching region of the inner surface of the base frame can project. The opening in the first guide arm is preferably formed elongated in the insertion direction. By virtue of the elongate configuration of the opening, the latching region on the inner surface of the base frame can be moved within the opening during the translational movement of the fastening element and thus change its position. By the latching region on the inner surface of the base frame projecting into the elongated opening, it can form a stop or limit for the translational movement of the fastening element. The latching region on the second guide arm can be formed as two window-like openings which are formed separately from one another. The latching region on the outer surface of the base frame can be moved between the two window-like openings by a translational movement of the fastening element, so that in the fastening position the latching region on the outer surface of the base frame can be inserted into a first of the two window-like openings and in the open position the latching region on the outer surface of the base frame can be inserted into a second of the two window-like openings.

In order to be able to design the release and removal operation of the contact insert as simple as possible for the user, a release region for releasing the locking between the respective fastening element and the base frame can be formed on the second guide arm, wherein the release region can be formed on a free end of the second guide arm, which can overlap the base frame in the insertion direction in the fastening position. The release region can thus project or protrude from the base frame in the insertion direction beyond the base frame, so that a user can easily grip the release region and thus the free end of the second guide arm in order to be able to release the latch between the second guide arm and the base frame. If the user releases the latch, the user can pull the fastening element from the fastening position into the open position against the insertion direction, whereby the contact insert is released from the fastening element and can be removed from the retaining frame.

The object is also achieved according to the invention by means of a plug connector having a housing, a holding frame arranged in the housing and at least one contact insert accommodated in the holding frame, wherein the holding frame is constructed and improved as described above.

The object is also achieved according to the invention by an electronic device having at least one plug connector which is configured and improved as described above.

Drawings

The invention is explained in detail below according to preferred embodiments with reference to the drawings. Wherein:

fig. 1 shows a schematic view of a holding frame according to the invention, wherein the fixing elements are in an open position,

fig. 2 shows a schematic view of the holding frame shown in fig. 1, wherein the fixing element is in a fixed position,

figures 3a and 3b schematically show the fixing element in two views,

figure 4 shows a schematic view of a basic frame,

figure 5 shows a schematic view of a holding frame,

FIG. 6 shows a schematic cross-sectional view of the holding frame along the line A-A drawn in FIG. 5, an

Fig. 7 shows a schematic view of a holding frame with a contact insert inserted and held in the holding frame.

Detailed Description

Fig. 1 and 2 show a schematic illustration of a holding frame 100, which can be arranged in a housing of a plug connector.

The holding frame 100 has a base frame 110, which is constructed in one piece. The base frame 110 may be constructed from a shape-stable material, in particular a metallic material. The base frame 110 may be die cast, such as zinc die cast or aluminum die cast.

The base frame 110 includes a first sidewall 111, a second sidewall 112 opposite to the first sidewall 111, a first end wall 113, and a second end wall 114 opposite to the first end wall 113. The two side walls 111, 112 are arranged parallel to each other. The two end walls 113, 114 are likewise arranged parallel to one another. The end walls 113, 114 are arranged at a 90 ° angle to the side walls 111, 112. Together, the two side walls 111, 112 and the two end walls 113, 114 enclose or otherwise define an interior space 115 of the base frame 110. The contact insert 200 can be inserted into the interior 115 in an insertion direction E and fixed, as shown for example in fig. 7.

The fastening of the contact insert 200 is performed by means of fastening elements 116 arranged on the base frame 110. By means of the fixing elements 116, the contact insert 200 can be held on the holding frame by its projecting elements 210. Each of the securing elements 116 can retain one of the protruding elements 210 of the contact insert 200, such that there are two securing elements 116 per contact insert 200.

The fixing element 116 is movably arranged on the base frame 110, wherein a possible translational movement of the fixing element 116 is indicated by an arrow V. The translational movement V is parallel to the insertion direction E of the contact insert 200 in the base frame 110. Thus, the fixing element 116 can follow the insertion movement of the contact insert 200 and the removal movement of the contact insert 200 from the base frame 110. By means of the translational movement V, the fixing element 116 can be transferred into an open position, as shown in fig. 1, and into a fixed position, as shown in fig. 2.

Such a fixing element 116 is shown separately in fig. 3a and 3 b. The fixing element 116 can be a stamped bent piece. The fixing element 116 may be constructed of sheet metal or spring steel. The fastening element 116 is at least partially designed to be elastic, in particular spring-elastic.

The fastening element 116 has two retaining arms 117a, 117b, which can interact directly with the projecting elements 210 of the contact insert 200 in order to retain the respective contact insert 200 on the base frame 110. The holding arms 117a, 117b are configured to be spring-elastic. During the transfer of the securing element 116 from the open position to the securing position, the retaining arms 117a, 117b can be moved towards each other. The retaining arms 117a, 117b can be moved away from each other when the securing element 116 is transferred from the securing position to the open position. The movement of the retaining arms 117a, 117b takes place transversely to the insertion direction E.

The two retaining arms 117a, 117b of the fixing element 116 are connected to the connecting section 118. The connecting section 118 connects the two retaining arms 117a, 117b to one another. The first retaining arm 117a is connected to a first end 120a of the connecting section 118, and the second retaining arm 117b is connected to a second end 120b of the connecting section 118 opposite the first end 120 a. The retaining arms 117a, 117b extend from the connecting section 118 counter to the insertion direction E away from the connecting section 118.

When the retaining arms 117a, 117b are moved toward and away from one another, a pivoting movement of the retaining arms 117a, 117b transverse to the insertion direction E is achieved, wherein the pivot axis is formed in the region of the respective connection of the retaining arms 117a, 117b on the connecting section 118.

Furthermore, the connecting section 118 forms a bearing surface for the projecting element 210 of the contact insert 200. The projecting element 210 can be placed with its underside 211 pointing in the insertion direction E on the connecting section 118. When inserting the contact insert 200, the projecting element 210 can exert a pressure with its underside 211 on the connecting section 118, as a result of which the entire fastening element 116 is moved in the insertion direction E until the connecting section 118 abuts against the edge surface 119 of the base frame 110 and rests on this edge surface 119. The edge surface 119 points counter to the insertion direction E.

The holding arms 117a, 117b each have a C-shape. By virtue of the C-shape, the holding arms 117a, 117b can laterally embrace the clamping and thus holding of the projecting element 210. The first retaining arm 117a may surround a first side 212a of the protruding element 210, and the second retaining arm 117b may surround a second side 212b of the protruding element 210 opposite the first side 212 a. The two side faces 212a, 212b extend parallel to the insertion direction E and transversely to the lower side 211.

By means of the C-shape, the free ends 121a, 121b of the retaining arms 117a, 117b are each formed in a curved manner, so that the retaining arms 117a, 117b can bridge the edges 213a, 213b between the flanks 212a, 212b and the upper side 213 of the projection element 210 with their free ends 121a, 121b and can rest on the upper side 213 of the projection element 210. As a result, the retaining arms 117a, 117b can exert a pressure force on the projecting element 210 in the insertion direction E, so that the projecting element 210 can be reliably retained and thus an undesired loosening of the contact insert 200 out of the interior 115 of the base frame 110 counter to the insertion direction E can be prevented.

The fixing element 116 further includes a first guide arm 122a and a second guide arm 122 b. Two guide arms 122a, 122b are connected to the connecting section 118, wherein the two guide arms 122a, 122b are connected to the connecting section 118 between the two ends 120a, 120b of the connecting section 118 in an opposing manner. The two guide arms 122a, 122b extend parallel to each other and to the insertion direction E. Thus, two guide arms 122a, 122b extend out of the connecting section 118 opposite the two retaining arms 117a, 117 b.

The second guide arm 122b is configured to be longer than the first guide arm 122 a.

The fixing element 116 is fixed to the base frame 110 by two guide arms 122a, 122 b. The first guide arm 122a extends along an inner surface 123 of the base frame 110 facing in the direction of the inner space 115. The second guide arm 122b extends along an outer surface 124 of the base frame 110 facing away from the interior space 115.

The first guide arm 122a has a latching region 125, which interacts with a latching region 126 formed on the inner surface 123 of the base frame 110 in order to hold the fastening element 116 on the base frame 110. The latching region 125 on the first guide arm 122a is formed as an elongated window-like opening, the length of which extends in the insertion direction E. The latching regions 126 on the inner surface 123 of the base frame 110 are designed in the form of latching projections which engage in latching regions 125 of the first guide arms 122a which are designed as openings, as can be seen, for example, in fig. 1. By means of the elongated design of the opening, the latching projection can be displaced within the opening during the translational movement V of the fastening element 116.

The second guide arm 122b likewise has a latching region 127 which interacts with a latching region 128 formed on the outer surface 124 of the base frame 110. The latching region 127 of the second guide arm 122b is formed by two window openings 129, 130. The two openings 129, 130 are arranged one above the other in the insertion direction E. The latching regions 128 on the outer surface 124 of the base frame 110 are designed in the form of latching projections which, in the open position, engage in lower openings 130, viewed in the insertion direction E, and, in the fixed position, engage in upper openings 129, viewed in the insertion direction E.

A release region 131 is also formed on the second guide arm 122b for releasing the latching between the latching region 127 on the second guide arm 122b and the latching region 128 on the outer surface 124 of the base frame 110. A release region 131 is formed at the free end 132 of the second guide arm 122 b. The release region 131 forms a tab which can be grasped by a user in order to release the latch between the latching regions 127, 128 and to pull the fastening element 116 upward counter to the insertion direction E, so that the fastening element 116 can be transferred from the fastening position into the open position. The second guide arm 122b overlaps the base frame 110 with its free end 132 in the insertion direction E in the securing position, so that in this position the release region 131 projects beyond the lower edge 133 of the base frame 110 and the release region 131 is thus exposed and can be easily grasped manually or by a tool by a user.

Fig. 4 shows the base frame 110 without the fixing elements 116. For each fastening element 116, a guide contour 134 is formed on the base frame 110. The guide profiles 134 extend on the inner surface 123 and on the outer surface 124 of the base frame 110, wherein the guide profiles 134 are formed on both side walls 111, 112 of the base frame 110. In the guide profile 134, both holding arms 117a, 117b and both guide arms 122a, 122b of the fixing element 116 are guided. The guide contour 134 is formed in the form of a trough-shaped recess both on the inner surface 123 and on the outer surface 124 of the base frame 110. When the fastening element 116 is transferred into the open position and into the fastening position, the fastening element 116 is guided in the corresponding guide contour 134.

In the guide region of the retaining arms 117a, 117b of the fixing element 116, the guide profile 134 tapers locally. The guide contour 134 has two opposite side faces 135a, 135b which extend in sections toward one another in the insertion direction E, as can be seen in particular in fig. 4. The holding arms 117a, 117b are guided along the flanks 135a, 135b of the guide profile 134 during the translational movement V. Due to the tapering in the insertion direction E, in the case of a translational movement V of the fastening element 116 from the open position into the fastening position, the retaining arms 117a, 117b are also moved toward one another by the flanks 135a, 135b extending toward one another, as a result of which the retaining arms 117a, 117b can enclose the inserted projecting element 210 of the contact insert 200. When the locking position is shifted into the open position, the retaining arms 117a, 117b can automatically spring open again and release the projecting element 210 via the guide contour 134 and the flanks 135a, 135b arranged opposite one another.

The guidance of the holding arms 117a, 117b takes place on the inner surface 123 of the base frame 110, since the guide contour 134 is formed on the inner surface 123 in the region of the holding arms 117a, 117 b.

In the region of the retaining arms 117a, 117b, the base frame 110 has a recess 136, respectively, wherein the projecting element 210 is inserted into this recess 136. The recess 136 extends from the upper edge 137 of the base frame 110 into the base frame 110 in the insertion direction E. Each recess 136 has a U-shape. The bottom of the recess 136 is formed by an edge surface 119, on which the fastening element 116 rests with its connecting section 118 in a fastening position. The two lateral faces 135a, 135b of the guide profile 134 constitute lateral limits of the recess 136. The two side faces 135a, 135b of the guide contour 134 are oriented substantially transversely to the edge face 119. The side surfaces 135a, 135b extend from the edge surface 119, counter to the insertion direction E, as far as the upper edge 137 of the base frame 110.

Fig. 1 shows the holding frame 100 in the open position of the fixing element 116, so that the contact insert 200 can be inserted into the holding frame 100. In the open position, the fastening element 116 is arranged with its connecting section 118 spaced apart from the edge face 119. The latch area 128 on the outer surface 124 of the base frame 110 sinks into the lower opening 130 through the latch area 127 on the second guide arm 122 b.

Fig. 2 shows the holding frame 110 in the fixing position of the fixing element 116. In this position, the retaining arms 117a, 117b have been pivoted towards each other such that they now extend substantially parallel to each other. The fastening element 116 rests with its connecting section 118 against an edge surface 119 of the base frame 110. The latching region 128 on the outer surface 124 of the base frame 110 has now sunk into the upper opening 129 through the latching region 127 on the second guide arm 122 b.

The transfer of the fastening element 116 from the open position to the fastening position is effected by the insertion of the contact insert in the insertion direction E in that the contact insert with its projecting element 210 is pressed against the connecting section 118 and thereby displaces the fastening element 116 in the insertion direction E, as a result of which the retaining arms 117a, 117b move toward one another and surround and retain the projecting element 210.

Fig. 6 shows a sectional view of the holding frame 100 along the line a-a shown in fig. 5, so that the cross section of the latching regions 125, 126, 127, 128 can be seen here. Furthermore, it can also be seen here that, as in the fastening position shown in fig. 5 and 6, the connecting section 118 of the fastening element 116 surrounds an edge face 119 on the base frame 110.

Fig. 7 shows the contact insert 200 inserted into the holding frame 100 and held in a fixed position by means of two fixing elements 116 arranged opposite each other on the base frame 110. It can be seen here that the retaining arms 117a, 117b laterally surround the projecting element 210 on the sides 212a, 212b thereof, and the free ends 121a, 121b of the retaining arms 117a, 117b rest on the upper side 214 of the projecting element 210, so that the retaining arms 117a, 117b can exert a force on the projecting element 210 in the insertion direction E in the securing position.

Description of the reference numerals

100 holding frame

110 basic frame

111 first side wall

112 second side wall

113 first end wall

114 second end wall

115 inner space

116 fixing element

117a, 117a retaining arms

118 connecting section

119 edge surface

120a, 120b ends

121a, 121b free ends

122a, 122b guide arm

123 inner surface

124 outer surface

125 latch area

126 latching area

127 latching region

128 latch area

129 opening

130 opening

131 loosening area

132 free end

133 lower edge

134 guide profile

135a, 135b side surfaces

136 recess

137 upper edge

200 contact insert

210 projecting element

211 lower side

212a, 212b side

213a, 213b edge

214 upper side

E direction of insertion

V translational movement