EP2377203B1 - Clamping spring for a spring-loaded clamp - Google Patents

Description

The invention relates to a clamping spring for a spring-loaded terminal, a receiving element for receiving the clamping spring and a housing in which the receiving element can be arranged together with the clamping spring.

From the DE 10 2005 014 075 B3 a spring-loaded terminal is known, which has a clamping spring with a bearing leg and an opposite clamping leg, which is formed with at least one end portion at an acute angle to the bearing leg. For spreading the clamping leg away from the bearing leg, a displaceable pusher is provided, which has a conductor bushing. In order to realize a very small size of such a spring terminal with sufficient spring force, the clamping spring has a loop shape with a connecting leg and the clamping leg backrest web. This spine is arranged to a Leitereinführöffnung in the housing and has an aligned therewith conductor passage opening. The pusher is arranged inside the loop shape of the clamping spring and its Leiterdurchführöffnung is aligned with the conductor passage opening in the spine of the clamping spring.

Although with such a spring terminal, a spring terminal is realized, which has a low height and in which the clamping spring arranged therein has a very small construction, which, however, has a negative impact on the mechanical stress distribution in the clamping spring at a load. In addition, the operation of this spring terminal is complicated due to the pusher and the structure of the spring terminal is relatively complicated due to the many individual components.

From the EP 1 309 036 A1 is known a clamping spring for a spring terminal with a clamping leg and a bearing leg, which are connected to each other via a bending joint. The clamping leg, the bearing leg and the bending joint are made of a spring steel strip, wherein the spring steel strip in the region of the bending joint has a greater width than in the region of the clamping leg and the bearing leg.

From the DE 10 2005 048 972 A1 is known a clamping spring for a spring terminal with a clamping leg and a bearing leg, which are connected to each other via a bending joint. At the free end of the bearing leg, a limiting leg is provided with a supporting leg attached via a rounded bend. The clamping spring is made of a spring steel strip, wherein the spring steel strip in the region of the bending joint has a greater width than in the region of the clamping leg.

The DE 10 2006 005 260 A1 describes a box spring clamp with a clamping leg and a bearing leg, which are connected to each other via a bending joint. The bearing leg is made in one piece with the. The bending joint has a greater width than the clamping leg and the bearing leg.

It is therefore an object of the invention to provide a clamping spring for a spring terminal available, in which an optimal mechanical stress distribution in the clamping spring can be realized. In addition, it is an object of the invention to provide a receiving element and a housing for such a clamping spring available, which are characterized by a simple structure using as few components as possible.

The object is achieved by the features of the independent claims. Advantageous embodiments of the invention are specified in the subclaims.

The clamping spring according to the invention for a spring-loaded terminal has a clamping leg, a bearing leg and a limiting leg, wherein the clamping leg and the bearing legs are connected to each other via a bending joint, the limiting leg is formed on a bending joint opposite the end of the bearing leg, the clamping leg, the bearing leg and the Bending joint are made of a spring steel strip, the spring steel strip in the region of the bending joint has a greater width than in the region of the clamping leg and the bearing leg, between the clamping leg, the bearing leg and the limiting leg a clamping space is formed, and the limiting leg is executed, too deep plugging a conductor to be clamped in the terminal space to prevent, and the limiting leg has a nose element for fixing the limiting leg in a desired position.

The clamping spring has a loop shape, wherein the clamping leg is arranged to the bearing leg at an acute angle. The bending joint connecting the clamping leg and the bearing leg bending joint has a rounding with the smallest possible bending radius, so that the clamping spring has the smallest possible design. The fact that the spring steel strip from which the clamping spring is made, in the region of the bending joint has a greater width than in the region of the clamping leg and the bearing leg, it is possible despite the smallest possible bending radius to achieve a mechanical stress distribution in which the terminal space of Clamping spring can be opened accordingly wide, without deforming the clamping spring unacceptably plastic. Preferably, the clamping spring is configured such that the spring steel band forms a flush planar surface between the clamping leg, bending joint and bearing leg at its one edge region and protrudes at the opposite edge region of the spring steel strip of the edge region of the bending joint relative to the edge region of the clamping leg and against the edge region of the bearing leg. The limiting leg is preferably in a 90 ° angle to the bearing leg at the bending joint opposite end of the bearing leg and is also formed from the spring steel strip and preferably has the same width as the bearing leg. The limiting leg prevents too deep insertion of a conductor to be clamped in the terminal space of the clamping spring. The nose element allows fixation of the limiting leg in the desired position. Thus, the limiting leg can not be pushed away from its desired position by applying a pressure, for example by means of the conductor to be clamped. The nose element is preferably arranged on an edge region of the limiting leg, wherein the nose element is preferably arranged on the end of the limiting leg, which does not adjoin the bearing leg. For fixing the limiting leg, the nose element is preferably positionable in an opening of a receiving element surrounding the clamping spring.

According to a preferred embodiment of the invention, the bending joint has a bending radius, wherein the value of the bending radius is between 0.3 mm and 0.5 mm, preferably between 0.4 mm and 0.5 mm. By such a small bending radius, it is possible to design the clamping spring as small as possible and space-saving, so that spring terminals with the lowest possible height can be realized.

According to a further embodiment of the invention, the limiting leg can also be secured by means of a limiting element against a pushing away caused by a force. The delimiting element is preferably arranged on the side face of the delimiting limb facing away from the clamping space and may be designed, for example, in the form of a U-shaped angled limb, so that a uniform counter-pressure force can be exerted on the delimiting limb by means of the legs. Such a limiting element may be provided in addition to the nose element or else alone without the nose element.

In order to achieve the best possible clamping angle between the clamping leg of the clamping spring and the conductor to be clamped, according to a further preferred embodiment of the invention, the clamping leg at its opposite end of the bending joint on the clamping leg with respect to a folded portion.

The invention further relates to a receiving element with a clamping spring as described above and further developed, wherein the receiving element is made of a current-conducting material and is substantially U-shaped, wherein the receiving element has an opening in which a limiting leg of the clamping spring via a on the boundary leg molded nose element in the receiving element (30) is fixable.

The material of the receiving element may consist of a current-conducting flat band. The U-shaped configuration may be formed by a flat plate having two opposing flaps, which are preferably arranged at a 90 ° angle to the flat plate. The receiving element is characterized by a high variance, since a constant U-shaped configuration of the receiving element, the use of a similarly designed spring element and a constant Leitereinführungs- and operating range of the housing, a variety of soldering and plug options are implemented with this system. The clamping spring is fixable in the U-shape of the receiving element between the two tabs, wherein the bearing leg of the clamping spring is positioned adjacent to a tab of the receiving element. The limiting leg is preferably arranged with inserted clamping spring in the receiving element between the two tabs of the receiving element. The opening is preferably provided on the flat surface of the receiving element, wherein the opening is preferably just so large that the nose element can be preferably fixed without further components in this opening.

On one of the side surfaces of the receiving element according to a further embodiment of the invention, a recess for limiting the insertion depth of a tool is provided. The recess is provided in the region of the flat plate of the receiving element and may preferably span a part of the bending joint and the clamping leg of the clamping spring arranged within the receiving element. To open the clamping spring in order to clamp a conductor, a tool is inserted into the receiving element, wherein the tool presses the clamping leg of the clamping spring in the direction of the clamping space. The recess serves as a stop, by which it can be prevented that the tool is inserted too far into the receiving element or in the terminal space of the clamping spring, which would otherwise lead to overstretching of the clamping leg. Preferably, the recess is designed such that the clamping spring abuts in the region of the wider flexure joint at a sufficiently large deflection of the clamping leg during insertion of a tool with the bending joint to the recess and thereby further insertion of the tool is prevented.

Further, according to an advantageous embodiment of the invention, the receiving element have a bulge, which serves as a stop element for a clamping leg of the spring clip. The bulge is preferably arranged in the region of the flat plate of the receiving element below the bearing leg, wherein the bulge extends into the terminal space of the spring clip. If the clamping leg is pressed into the terminal space due to the introduction of a tool, then the clamping leg can only be deflected to the extent that it abuts against the bulge. By means of the bulge overstretching of the clamping leg can be prevented due to excessive deflection.

The receiving element may be arranged in a housing, preferably in an insulating housing. For fixing the receiving element in the housing, the receiving element according to a further embodiment of the invention has a latching nose. The latching lug is preferably directed away from a clamping spring arranged in the receiving element Outer surface of the receiving element, preferably in the region of a tab of the receiving element provided. By means of the locking lug, a simple fastening and / or release of a receiving element on a housing surrounding the receiving element is possible.

The invention further relates to a housing in which a receiving element formed and developed as above is arranged. The housing has a receiving opening for a tool and a Leitereinführöffnung. The receiving opening for the tool has a wall element which serves as a stop element for a clamping spring arranged in the receiving element, and the housing can fix the tool received in the receiving opening. The housing is preferably an insulating housing which surrounds the current-conducting receiving element. The housing preferably has a receiving opening for a tool into which a tool, preferably a screwdriver, can be inserted in the direction of the receiving element to open the arranged in the receiving element clamping spring by a deflection of the clamping leg of the clamping spring in the direction of terminal space, thus a inserted via the conductor insertion opening conductor can be clamped in the clamping spring or an already clamped conductor can be solved. The receiving opening has a wall element surrounding the opening, which guides the tool in its movement. The wall element preferably adjoins at least partially the clamping spring arranged in the receiving element, preferably in the region of the bending joint and / or the clamping leg, and thus serves as a stop element for the clamping spring, since the freedom of movement of the clamping spring in this area is limited by the wall element of the housing is. Furthermore, the wall element is preferably shaped such that, in coordination with the receiving element and the clamping spring, it can clamp the tool to be used for opening the clamping space, so that the operator does not have to hold the tool for inserting or connecting the conductor in the clamping spring, but both Has hands free. This greatly facilitates the operation of the spring clamp for an operator.

The conductor insertion opening is designed according to a preferred embodiment of the invention such that it serves as a limitation of a deflection movement of a clamping leg of a receiving element arranged in the clamping spring. Preferably, the housing has a conductor insertion opening. The conductor insertion opening is preferably funnel-shaped. The Leitereinführöffnung serves as a stop for the receiving element and on the other as limiting a deflection movement of a clamping leg of a receiving element arranged in the clamping spring, the Leitereinführöffnung is preferably arranged in the region of the folded portion of the clamping leg.

The housing has, according to a further embodiment of the invention, a recess into which a locking element arranged on the receiving element for fixing the receiving element to the housing can be fastened, whereby the receiving element in the desired position is firmly positioned in the housing.

The invention will be explained in more detail with reference to the accompanying drawings with reference to preferred embodiments.

Fig. 1

eine schematische Darstellung einer Ausführungsform einer erfindungsgemäßen Klemmfeder;

Fig. 2

eine schematische Darstellung einer Ausführungsform eines erfindungsgemäßen Aufnahmeelementes und einer in das Aufnahmeelement einsetzbaren Klemmfeder gemäß Fig. 1;

Fig. 3

eine schematische Darstellung einer möglichen Anordnung einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Aufnahmeelement gemäß einer ersten Ausführungsform;

Fig. 4

eine schematische Darstellung einer möglichen Anordnung einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Aufnahmeelement gemäß einer zweiten Ausführungsform;

Fig. 5

eine schematische Darstellung einer möglichen Anordnung einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Aufnahmeelement gemäß einer dritten Ausführungsform;

Fig. 6

eine schematische Darstellung einer möglichen Anordnung einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Aufnahmeelement gemäß einer vierten Ausführungsform;

Fig. 7

eine schematische Darstellung einer möglichen Anordnung einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Aufnahmeelement gemäß einer fünften Ausführungsform;

Fig. 8

eine schematische Darstellung einer möglichen Anordnung einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Aufnahmeelement gemäß einer sechsten Ausführungsform;

Fig. 9

eine schematische Darstellung einer möglichen Anordnung eines erfindungsgemäßen Aufnahmeelements zusammen mit einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Gehäuse; und

Fig. 10

eine weitere schematische Darstellung einer möglichen Anordnung eines erfindungsgemäßen Aufnahmeelementes zusammen mit einer erfindungsgemäßen Klemmfeder in einem erfindungsgemäßen Gehäuse.

Show it:

Fig. 1

a schematic representation of an embodiment of a clamping spring according to the invention;

Fig. 2

a schematic representation of an embodiment of a receiving element according to the invention and a usable in the receiving element clamping spring according to Fig. 1 ;

Fig. 3

a schematic representation of a possible arrangement of a clamping spring according to the invention in a receiving element according to the invention according to a first embodiment;

Fig. 4

a schematic representation of a possible arrangement of a clamping spring according to the invention in a receiving element according to the invention according to a second embodiment;

Fig. 5

a schematic representation of a possible arrangement of a clamping spring according to the invention in a receiving element according to the invention according to a third embodiment;

Fig. 6

a schematic representation of a possible arrangement of a clamping spring according to the invention in a receiving element according to the invention according to a fourth embodiment;

Fig. 7

a schematic representation of a possible arrangement of a clamping spring according to the invention in a receiving element according to the invention according to a fifth embodiment;

Fig. 8

a schematic representation of a possible arrangement of a clamping spring according to the invention in a receiving element according to the invention according to a sixth embodiment;

Fig. 9

a schematic representation of a possible arrangement of a receiving element according to the invention together with a clamping spring according to the invention in a housing according to the invention; and

Fig. 10

a further schematic representation of a possible arrangement of a receiving element according to the invention together with a clamping spring according to the invention in a housing according to the invention.

Fig. 1 shows a clamping spring 10 according to the invention according to a preferred embodiment. The clamping spring 10 has a clamping leg 12, a bearing leg 14 and a bending joint 16, wherein the clamping leg 12 are connected to the bearing leg 14 via the bending joint 16 with each other. The clamping leg 12, the bearing leg 14 and the bending joint 16 are made of a spring steel strip, wherein the spring steel strip in the region of the bending joint 16 has a greater width than in the region of the clamping leg 12 and the bearing leg 14. The spring steel strip preferably forms at its one edge portion 18th a flush flat surface between clamping legs, Biegegelenk and bearing legs. At the opposite edge region 20 of the spring steel strip, on the other hand, the edge region 20 protrudes in the region of the bending joint 16 with respect to the edge region in the region of the clamping leg 12 and of the bearing leg 14, as in FIG Fig. 1 is clearly visible.

The bending leg 12 connecting the clamping leg 12 and the bearing leg 14 has a rounding with the smallest possible bending radius, so that the clamping spring 10 has the smallest possible construction. The fact that the spring steel strip from which the clamping spring 10 is made in the region of the bending joint 16 has a greater width than in the region of the clamping leg 12 and the bearing leg 14, it is possible despite the smallest possible bending radius to achieve a mechanical stress distribution at the clamping space 22 of the clamping spring 10 can be opened correspondingly wide, without deforming the clamping spring 10 unacceptably plastic. The clamping space 22 is formed by the clamping leg 12, the bearing leg 14, the bending joint 16 and an opposite to the bending joint 16 end of the bearing leg 14 limiting leg 24. The limiting leg 24 is preferably arranged at a 90 ° angle to the bearing leg 14 on the bearing leg 14 and is also formed from the spring steel strip and preferably has the same width as the bearing leg 14. Thus, the limiting leg 24 is not out of its desired position by applying a Pressure, for example by means of a conductor to be clamped, can be pushed away, the limiting leg 24 has a nose element 26 for fixing the limiting leg 24 in the desired position. The nose member 26 is preferably disposed on an edge portion 28 of the limiting leg 24, which upon insertion of the clamping spring 10 in a, as in Fig. 2 shown receiving element 30, is applied to the receiving element 30, wherein the nose element 26 is preferably arranged at the end of the limiting leg 24, which does not adjoin the bearing leg 14. For fixing the limiting leg 24, the nose element 26 is preferably positionable in an opening 32 of a receiving element 30 surrounding the clamping spring 10.

The clamping leg 12 preferably has at its opposite end of the bending joint 16 to the clamping leg 12 opposite beveled portion 34, whereby the most optimal clamping angle between the clamping leg 12 of the clamping spring 10 and the clamped conductor can be achieved.

In Fig. 2 is a preferred embodiment of a receiving element 30 according to the invention for receiving a, as in Fig. 1 shown clamping spring 10, shown. The receiving element 30 is made of a current-conducting material and is substantially U-shaped, with a flat plate 36 having two opposing tabs 38, 40, which are preferably arranged at a 90 ° angle to the flat plate 36. The clamping spring 10 is fixed in the U-shape of the receiving element 30 between the two tabs 38, 40, wherein the bearing leg 14 of the clamping spring 10 is positioned adjacent to the tab 38 of the receiving element 30. The receiving element 30 has in the region of its flat plate an opening 32 in which the nose element 26 of the limiting leg 24 of the clamping spring 10 can be inserted, so that the limiting leg 24 can not be pushed away from its desired position. On a side surface 42 of the flat plate 36 of the receiving element 30, a recess 44 is provided, through which the insertion depth of a, not shown, tool is limited in the terminal space 22 of the clamping spring 10. To open the clamping spring 10 in order to clamp a, not shown here, conductor, a tool is inserted into the receiving element 30, wherein the tool, the clamping leg 12 of the clamping spring 10 in the direction of Clamping space 22 presses. The recess 44 serves as a stop, whereby it can be prevented that the tool is inserted too far into the receiving element 30, which would otherwise lead to overstretching of the clamping leg 12. Preferably, the recess 44 is configured such that the clamping spring 10 abuts against the recess 44 in the region of the wider bending joint 16 with a sufficiently large deflection of the clamping leg 12 during insertion of a tool with the bending joint 16 and thereby prevents further insertion of the tool.

As a further stop element for the clamping leg 12 of the clamping spring 10, the receiving element 30 also has a bulge 46 in the region of its flat plate 36. The bulge 46 preferably projects into the clamping space 22 of the clamping spring 10. If the clamping leg 12 is pressed into the clamping space 22 due to the introduction of a tool, then the clamping leg 12 can only be deflected to the extent that it abuts against the bulge 46. By means of the bulge 46 can be prevented overstretching of the clamping leg 12 due to excessive deflection. At the upper tab 38 is also a latch 47 for fixing the receiving element 30 in a, as in Fig. 9 shown housing.

In Fig. 3, 4 . 5 and 6 the receiving element 30 is shown together with the clamping spring 10 in an assembled state, wherein on the basis of FIGS. 3, 4 . 5 and 6 the large variance of the receiving element 30 according to the invention with respect to the soldering of the receiving element 30 can be seen. By means of the differently designed solder pins 48 arranged on the receiving element 30, different forms of soldering, such as horizontal, vertical through-hole and SMD, and plug systems, standard and inverted can be implemented, the actual clamping region of the receiving element 30, in which the clamping spring 10 can be arranged, preferably always remains the same.

In order to make optimum use of the available overall height of the receiving element 30, the bending joint 16 is also preferably the material thickness of the receiving element 30 set up so that the upper edge of the tab 38 is flush with the upper edge of the flexure 16 at a height as in FIG Fig. 3 is clearly visible.

FIGS. 7 and 8 show a further embodiment of a receiving element 30 and a clamping spring 10, wherein the limiting leg 24 is secured by means of a limiting element 50 against pushing away. The delimiting element 50 is preferably arranged on the side face of the limiting limb 24 facing away from the clamping space 22 and may be designed, for example, in the form of a U-shaped angled limb, so that a uniform counterpressure force can be exerted on the limiter limb 24 by means of the limbs. Such a limiting element 50 may be provided in addition to the nose element 26 or else alone without the nose element 26.

Fig. 9 shows an embodiment of the invention, in which the receiving element 30 is arranged in a housing 52. The housing 52 has a receiving opening 54 for, as in Fig. 10 shown tool 56 and a Leitereinführöffnung 58. The receiving opening 54 for the tool 56 has a wall element 60, which is designed such that it can serve as a stop element for a arranged in the receiving element 30 clamping spring 10 and that it can fix the recorded in the receiving opening 54 tool 56. In the receiving opening 54 of the housing 52 may, as in Fig. 10 shown, a tool 56, preferably a screwdriver, are introduced in the direction of the receiving element 30 to open the arranged in the receiving element 30 clamping spring 10 by a deflection of the clamping leg 12 of the clamping spring 10, so that an inserted over the Leitereinführöffnung 58 conductor 62 in the Clamping spring 10 can be clamped or an already clamped conductor 62 can be solved. The wall member 60 surrounding the opening of the receiving opening 54 may guide the tool 56 in its movement. The wall element 60 preferably adjoins at least partially against the clamping spring 10 arranged in the receiving element 30, preferably in the region of the bending joint 16 and / or the clamping leg 12 and thus serves as a stop element for the clamping spring 10, since the freedom of movement of the clamping spring 10 in this area the Wall element 60 of the housing 52 is limited. Furthermore, the wall element 60 is preferably shaped such that, in coordination with the receiving element 30 and the clamping spring 10, it can clamp the tool 56 to be opened to open the clamping space 22 so that the operator does not hold the tool 56 for insertion or connection of the conductor 62 must, but has both hands free. This greatly facilitates the operation of the spring clamp for an operator. The conductor insertion opening 58 is preferably funnel-shaped. The Leitereinführöffnung 58 serves as a stop for the receiving element 30 and on the other as limiting a deflection movement of the clamping leg 12 of the receiving element 30 arranged in the clamping spring 10, the Leitereinführöffnung 58 is preferably disposed in the region of the folded portion 34 of the clamping leg 12.

So that the receiving element 30 can be positioned in the desired position in the housing 52, the housing 52 has a recess 64, in which a arranged on the receiving element 30 locking lug 47 for fixing the receiving element 30 to the housing 52 can be fastened.

LIST OF REFERENCE NUMBERS

10

clamping spring

12

clamping leg

14

bearing legs

16

bending joint

18.20

edge region

22

terminal space

24

limiting leg

26

nosepiece

28

Edge region of the limiting leg

30

receiving element

32

Opening in the receiving element

34

Area of the clamping leg

36

plate

38, 40

tabs

42

side surface

44

recess

46

bulge

47

locking lug

48

PC pins

50

limiting element

52

casing

54

receiving opening

56

Tool

58

Conductor insertion opening

60

wall element

62

ladder

64

Recess in the housing

Claims (12)

1. Clamping spring (10) for a spring force terminal, having a clamping leg (12), a bearing leg (14) and a limiting leg (24), wherein

   the clamping leg (12) and the bearing leg (14) are connected together via a bending joint (16),

   the limiting leg (24) is integrally formed on an opposite end of the bearing leg (14) from the bending joint (16),

   the clamping leg (12), the bearing leg (14) and the bending joint (16) are produced from a spring steel strip, and

   the spring steel strip has a greater width in the region of the bending joint (16) than in the region of the clamping leg (12) and of the bearing leg (14),

   characterized in that

   a clamping space (22) is formed between the clamping leg (12), the bearing leg (14) and the limiting leg (24),

   the limiting leg (24) is embodied to prevent a conductor (62) to be clamped from being plugged too far into the clamping space (22), and

   the limiting leg (24) has a nose element (26) for fixing the limiting leg (24) in a desired position.
2. Clamping spring (10) according to Claim 1, characterized
   in that the bending joint (16) has a bending radius, wherein the value of the bending radius is between 0.3 mm and 0.5 mm.
3. Clamping spring (10) according to either of Claims 1 and 2,
   characterized
   in that the limiting leg (24) is able to be secured against being pushed away by means of a limiting element (50).
4. Clamping spring (10) according to one of Claims 1 to 3,
   characterized
   in that the clamping leg (12) has a region (34) set at an angle to the clamping leg (12) at its opposite end from the bending joint (16).
5. Receiving element (30) having a clamping spring (10) according to one of Claims 1 to 4, wherein the receiving element (30) is produced from a current-conducting material and is formed in a substantially U-shaped manner,
   characterized
   in that the receiving element (30) has an opening (32) in which a limiting leg (24) of the clamping spring (10) is able to be fixed in the receiving element (30) via a nose element (26) integrally formed on the limiting leg (24).
6. Receiving element (30) according to one of Claim 5,
   characterized
   in that a cutout (44) for limiting the plug-in depth of a tool (56) is provided in one of the side faces (42) of the receiving element (30).
7. Receiving element (30) according to either of Claims 5 and 6,
   characterized
   in that the receiving element (30) has a protuberance (46) which serves as a stop element for the clamping leg (12) of the clamping spring (10).
8. Receiving element (30) according to one of Claims 5 to 7,
   characterized
   in that the receiving element (30) has a detent (47) for fixing the receiving element (30) in a housing (52).
9. Housing (52) in which the receiving element (30) according to one of Claims 5 to 8 is arranged, wherein the housing (52) has a receiving opening (54) for a tool (56) and a conductor insertion opening (58),

   characterized

   in that the receiving opening (54) has a wall element (60) which serves as a stop element for a clamping spring (10) arranged in the receiving element (30), and

   in that it can fix the tool (56) received in the receiving opening (54).
10. Housing (52) according to Claim 9,
    characterized
    in that the conductor insertion opening (58) is configured such that it serves to limit a deflection movement of the clamping leg (12) of a clamping spring (10) arranged in the receiving element (30).
11. Housing (52) according to either of Claims 9 and 10,
    characterized
    in that the housing (52) has a cutout (64) in which a detent (47), arranged on the receiving element (30), for fixing the receiving element (30) to the housing (52) is able to be fastened.
12. Use of a housing (52) according to one of Claims 9 to 11 for a circuit board connection.

Images