EP3352304A1 - Battery terminal for reliable assembly - Google Patents

Abstract

Battery pole terminal (1) for electrically contacting an axially conical battery pole (11), in particular a motor vehicle battery, wherein the Batteriepolklemme (1) comprises an axially conical annular portion (2), wherein the Batteriepolklemme (1) a clamping element (3), a screw (4), and a screw counter element (5), wherein the inner diameter of the ring portion (2) by a clamping with the clamping element (3) is variable, the clamping by a screw connection by means of the screw member (4) and the screw counter element (5) can be evoked, wherein the clamping element (3) with the screw (4) and the screw counter element (5) is connected and / or cooperates and thereby the clamping element (3), the screw member (4) and the screw counter element (5) are formed and / or are arranged, that in the course of a screwing operation in the closing direction of the inner diameter of the ring portion (2) can be reduced, wherein the screw ement (4) has an external thread, wherein the screw counter element (5) has an internal thread, wherein a rotation axis of the screw element (4), a rotation axis of the screw counter element (5) and a rotation axis of the ring portion (2) are formed substantially parallel to each other, in particular in an assembled state, wherein the battery pole terminal (1) comprises a spring element (6) which is designed and cooperates with the screw element (4) and / or the screw counter element (5), that for screwing the screw element (4) and the screw counter element (5) in addition to a force acting about the axis of rotation of the screw (4) and / or Schraubgegenelements (5) a force along the axis of rotation (7) of the screw (4) and / or Schraubgegenelements (5) on the spring element (6) required is.

Description

The present invention relates to a battery pole terminal according to the preamble of claim 1.

According to the state, battery pole terminals allow an electrically conductive contact with the pole of a battery, in particular a vehicle battery.

The publication EP 2372845 A1 introduces a battery terminal in a punch-bend version with a 90 ° fitting, in which the upper shell and the lower shell are pressed against each other when tightening the screw connection. The clamping straps of the lower shell will be pressed against the battery pole. However, this battery terminal has the disadvantage that it consists of many parts.

For example, the document EP 2713444 A1 a battery pole terminal in punch-bend version with 90 ° -branch before. In this pole terminal, a screw is arranged parallel to the axis of the battery pole. When the screw is tightened, a translationally moving wedge closes the pole terminal and thereby secures it to the battery pole. When the screw is loosened, the wedge in the opposite, translationally moving wedge opens the terminal again.

For example, the document shows EP 0451488 A1 a battery terminal, in which the side of the battery pole and the clamping opening extending for this pole clamping screw is oriented approximately parallel to the pole axis and Aufsteckachse on the pole, via two co-operating inclined surfaces, the two jaws are movable toward each other. However, the required tightening torque is comparatively large due to the forces required for the deformation, so that the actual clamping forces on the pole are sometimes inadequate. Another disadvantage is found when loosening the screw, because this is due to the deformation of the Schmiederings and due to the wedging of the inclined surfaces together, the terminal clamped to the pole remains.

The object of the invention is to provide a battery terminal, which is reliable, and in particular robust, mountable.

This object is achieved by a battery terminal according to claim 1.

Alternatively, the invention preferably relates to a battery terminal for electrically contacting a cylindrical or in particular in the axial direction conical battery terminal, in particular a motor vehicle battery. The battery terminal comprises a cylindrical or in particular in the axial direction conical ring section or ring. Furthermore, the battery pole terminal comprises a clamping element, a screw element, and a counter screw element. The inner diameter of the ring portion is changeable by a clamping with the clamping element or by means of the clamping element. The clamping or the change of the inner diameter of the ring portion or ring can be caused by a screw connection by means of the screw element and the screw counter element or is caused accordingly. The clamping element is connected to the screw element and the counter screw element and / or the clamping element interacts with the screw element and the counter screw element. In this case, the clamping element, the screw and the screw counter element are formed and / or arranged so that in the course of a screwing in the closing direction, the inner diameter of the ring portion can be reduced or reduced. The screw element has an external thread. The screw counter element has an internal thread. A rotation axis of the screw element, a rotation axis of the screw counter element and a rotation axis of the ring portion are formed substantially parallel to each other, in particular in an assembled state. Furthermore, the battery pole terminal comprises a spring element. The spring element is formed in such a way and interacts with the screw element and / or the screw counter element that for screwing the screw element and the screw counter element in addition to a force acting about the axis of rotation of the screw and / or Schraubgegenelements a force along the axis of rotation of the screw and / or Schraubgegenelements on the spring element is required.

It is preferred that this is for electrical contacting of an axially conical Batteriepols, in particular a motor vehicle battery is formed, wherein the inner diameter of the ring portion is changeable by clamping with the clamping element, wherein the clamping by a screw connection by means of the screw and the Schraubgegenelements can be hervorufbar wherein the clamping element is connected to the screw element and the screw counter element, wherein the screw element has an external thread, wherein the screw counter element has an internal thread, wherein a rotation axis of the screw element, a rotation axis of the screw counter element and a rotation axis of the ring portion are formed substantially parallel to each other, in particular in a mounted state.

Preferably, the screw is a screw or a threaded bolt.

Preferably, the screw counter element is a nut.

Preferably, the spring element is designed in such a way and cooperates with the screw element and / or the screw counter element that for screwing the screw element and the screw counter element in addition to a force acting about the axis of rotation of the screw and / or Schraubgegenelements a force along the axis of rotation of the screw and / or the screw counter element on the screw and / or screw counter element and / or spring element is required.

Preferably, the inner diameter of the ring portion can be reduced by a clamping with the clamping element.

Under screwing in the closing direction is preferably a bolt-on to understand, which reduces in particular the inner diameter of the ring portion.

Preferably, the battery terminal is designed so that the screwing in the closing direction can be done exclusively when a vertical force, in particular an additional vertical force, the spring element depresses.

Preferably, the battery terminal according to the invention leads to the advantage that the battery terminal is pressed during the screwing in the closing direction in the direction of the battery and / or Polboden and / or stop the vehicle battery, and thereby in particular the lower edge of the ring portion of the battery terminal on the pole bottom and / or stop the vehicle battery is applied or created.

Preferably, the lower edge of the ring portion has a larger inner diameter than the upper edge of the ring portion.

Preferably, the required force along the axis of rotation of the screw and / or the screw counter element on the spring element is not caused by the screw of the screw and the screw counter element, in particular not by the force around the axis of rotation of the screw and / or Schraubgegenelements, in particular a force along generates the axis of rotation of the screw and / or Schraubgegenelements.

The axis of rotation of the screw element, the axis of rotation of the screw counter element and the axis of rotation of the ring section are preferably parallel to the vertical axis of the vehicle battery and / or the battery pole terminal.

According to a further development, the screw element and / or the counter screw element have at least one engagement surface or at least one screw force application surface. The engagement surface is designed to absorb forces, in particular to absorb forces about the axis of rotation of the screw element and / or the screw counter element. The spring element surrounds the at least the attack surface in such a way that a force acting along the axis of rotation on the spring element is required for the introduction of a force on the engagement surface, wherein in particular a compression of the spring element is required.

The spatial extent of the spring element along the axis of rotation of the screw element and / or the counter screw element is preferably reduced by the action of force along the axis of rotation of the screw element and / or the counter screw element on the spring element.

The spring element preferably has a recess for the screw element and / or the screw counter element.

Preferably, the spring element is bow-shaped.

According to a further development, spring element has at least one curved arm.

According to a development, the spring element has at least two arms.

Preferably, the spring element is integrally formed.

Preferably, the spring element has a base plate. The base plate has a recess.

Alternatively, preferably, the spring element on a snap ring, protrude from which two arms.

It is preferred that the two arms surround the screw head of the screw element or a nut as screw counter element, in particular spaced, and in particular in the undeflected state of the spring element, the two arms of the spring element of a base plate or a snap ring of the spring element substantially to the height of the upper edge of the Protrude from the screw head or the nut.

It is preferred that the spring element is formed in one piece, wherein the spring element comprises a base plate or a snap ring, wherein the base plate or the snap ring has a recess or opening, wherein at least one arm, in particular two arms, curved from substantially one end of the base plate to the other end of the base plate or substantially spanning over a segment of the snap ring to the opposite segment of the snap ring are formed, wherein the recess of the base plate or the recess or opening of the snap ring is formed in particular between the two arms.

According to a development, the spring element made of spring steel.

According to an alternative development, the spring element is made of plastic.

Preferably, the spring element has a base plate. The base plate is formed as Unterlegschreibe the screw or the counter screw element.

It is preferred that a notch on the screw head of the screw and / or on the nut is designed as a screw counter element, wherein the spring element has a snap ring, wherein the snap ring in the notch of the screw head or the nut fitted or fitted or at least partially received in this is.

Particularly preferably, the snap ring has an opening and a recess.

Preferably, the clamping element is integrally connected to the screw.

Preferably, the clamping element is integrally connected to the screw counter element.

Preferably, the clamping element, the screw and the counter screw element are formed so that the clamping leads to the reduction of the inner diameter of the ring portion and the rotation of the screw or the counter-locking element during the screwing, in particular during the screwing in the closing direction and / or loosening direction blocked.

Preferably, the attack surface is a hexagon or the counter screw element designed as a hex nut.

The battery pole terminal preferably has a connection element for making electrical contact with a current sensor and / or with electrical consumers, in particular with electrical consumers of a motor vehicle.

Preferably, the invention also relates to the use of the Batteriepolklemme in motor vehicles.

Preferably, the invention relates to a spring element, comprising a snap ring, protrude from which two spring arms and in each case, substantially parallel, spanning this from one segment of the snap ring to the opposite segment of the snap ring. The spring element is particularly preferably formed in one piece. The spring element is in particular designed so that it has substantially two spring effects, the spreading or compression action of the ring or it can absorb corresponding forces, as well as the ring plane substantially vertical spring action of the two spring arms which are compressible in this direction. The two spring arms are particularly preferably integrally attached to a segment of the snap ring and span, in particular arcuate or bulbous or curved, with a defined height the ring to the opposite segment, where the two arms in the vicinity of this opposite segment ends and this conveniently not touch in the undeflected state.

Fig. 1

ein Ausführungsbeispiel einer erfindungsmäßen Batteriepolklemme in einer ersten Ansicht,

Fig. 2

ein Ausführungsbeispiel einer erfindungsgemäßen Batteriepolklemme in einer zweiten Ansicht, und

Fig. 3

ein Ausführungsbeispiel einer erfindungsgemäßen Batteriepolklemme in einer dritten Ansicht.

In a schematic representation show:

Fig. 1

An embodiment of a erfindungsmäßen battery terminal in a first view,

Fig. 2

an embodiment of a battery terminal according to the invention in a second view, and

Fig. 3

An embodiment of a battery terminal according to the invention in a third view.

The Fig. 1 shows an embodiment of a battery terminal according to the invention 1. The battery terminal has a conical ring portion 2 in the axial direction. The ring portion has an outer and an inner circumferential surface. The inner lateral surface is designed in particular for electrical contacting with a battery pole 11.

The battery pole terminal 1 also has a clamping element 3, a screw element 4 and a counter screw element 5. The screw 4 and the clamping element 3 are integrally formed. The screw 4 and the counter screw 5 are formed so that they are screwed together.

During a screwing operation in the closing direction, the clamping element 3 is pulled along the axis of rotation of the screw element 4 in the direction of an upper edge of the ring section 2. As a result, the clamping element 3 clamps forwardly facing portions of the ring portion 2 such that the inner diameter of the ring portion 2 is reduced. At an upper edge of the ring portion 2 has a smaller inner diameter than at a lower edge.

The screw 4 has an external thread. The screw counter element 5 has an internal thread.

In a screwing between the screw 4 and screw counter 5 forces are introduced about the axis of rotation of the counter screw 5 on the engagement surface 8 of the screw counter 5. As a result, screw 4 and screw counter 5 move relative to each other about the axis of rotation, which due to the internal thread and the external thread, a relative movement between the screw 4 and screw counter 5 along the axis of rotation of the screw 4 and the counter screw 5 is caused.

The axis of rotation of the screw 4, the Schraubgegenelements 5 and the ring portion 2 are parallel to each other, which in particular allows screwing from above.

The battery pole terminal has a spring element 6. The spring element 6 surrounds the engagement surface 8 of the screw counter element 5 such that, without force acting on the spring element 6 along the direction of the axis of rotation of the screw 4 and / or the screw counter 5, no force on the engagement surface 8 in a direction about the axis of rotation of the counter screw 5 is possible.

The spring element 6 has a base plate 10 with a recess. The screw 4 is guided by the recess of the base plate 10. The spring element 6 is integrally formed. Two curved arms 9 extend from substantially one end of the base plate 10 to the substantially other end of the base plate 10. The recess of the base plate 10 is formed between the two arms 9.
The screw counter element 5 is mounted above the recess of the base plate 10. The screw counter 5 is located between the two arms 9. The base plate 10 and one arm 9 are bow-shaped.

At one end of the base plate 10, the two arms are brought together, wherein at the junction a groove is formed.

Fig. 2 shows an embodiment of a battery terminal according to the invention 1. The battery terminal is mounted on a battery pole 11. Hissing Polboden 12 and the battery pole 1, in particular between the bottom of the pole 12 and ring portion 12, there is a gap. No or only slight forces act on the spring 6 along the axis of rotation of the screw element 4 and / or of the screw counter element 5.

Fig. 3 shows an embodiment of a battery terminal according to the invention 1. On the spring element 6 act forces along the axis of rotation 7 of the screw 4 and / or the counter screw element 5, whereby a compression of the spring element 6 is caused. By the force acting along the axis of rotation 7 of the screw 4 and / or the counter screw 5 on the spring element 6, the lower edge of the ring portion 2 is pressed against the bottom of the battery 12.

If, in the course of the procedure, it turns out that a feature or a group of features is not absolutely necessary, it is already desired on the applicant side to formulate at least one independent claim which no longer has the feature or the group of features. This may, for example, be a subcombination of a claim present at the filing date or a subcombination of a claim limited by further features of a claim present at the filing date. Such newly formulated claims or feature combinations are to be understood as covered by the disclosure of this application.

It should also be noted that embodiments, features and variants of the invention, which are described in the various embodiments or embodiments and / or shown in the figures, can be combined with each other as desired. Single or multiple features are arbitrary against each other interchangeable. Resulting combinations of features are to be understood as covered by the disclosure of this application.

Recoveries in dependent claims are not to be understood as a waiver of obtaining independent, objective protection for the features of the dependent claims. These features can also be combined as desired with other features.

Features that are disclosed only in the specification or features that are disclosed in the specification or in a claim only in conjunction with other features may, in principle, be of independent significance to the invention. They can therefore also be included individually in claims to distinguish them from the prior art.

Claims (15)

A battery pole terminal (1) comprising a conical ring portion (2), wherein the battery pole terminal (1) comprises a clamping element (3), a screw member (4) and a screw counter element (5), which are formed and cooperate in the course of a Screwing the screw (4) and the screw counter element (5), in the closing direction, the inner diameter of the ring portion (2) can be reduced and / or is, characterized in that the Batteriepolklemme (1) comprises a spring element (6) which is formed is and cooperates with the screw (4) and / or the screw counter element (5) that for screwing the screw (4) and the screw counter element (5) in addition to a force about the axis of rotation of the screw (4) and / or Schraubgegenelements (5 ) A force along the axis of rotation (7) of the screw (4) and / or the screw counter element (5) on the spring element (6) is required. Batteriepolklemme (1) according to claim 1, characterized in that this is for electrically contacting a conical in the axial direction Batteriepols (11), in particular a motor vehicle battery, formed, wherein the inner diameter of the ring portion (2) by a clamping with the clamping element (3) changeable is, wherein the clamping by a screw connection by means of the screw member (4) and the Schraubgegenelements (5) hervorufbar, wherein the clamping element (3) with the screw element (4) and the screw counter element (5) is connected, wherein the screw element (4) an external thread, wherein the screw counter element (5) has an internal thread, wherein a rotation axis of the screw element (4), a rotation axis of the screw counter element (5) and a rotation axis of the ring portion (2) are formed substantially parallel to each other, in particular in a mounted state. Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the screw element (4) and / or the screw counter element (5) have at least one engagement surface (8), wherein the engagement surface (8) for receiving forces, in particular for receiving is formed by forces about the axis of rotation of the screw element (4) and / or the screw counter element (5), wherein the spring element (6) encloses the at least one engagement surface (8) in such a way that for introducing a force onto the engagement surface (8), a force along the axis of rotation (7) on the spring element (6) is required, in particular a compression of the spring element (6) is required. Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the spatial extent of the spring element (6) along the axis of rotation of the screw member (4) and / or Schraubgegenelements (5) by the force along the axis of rotation (7) of the screw (4) and / or the Schraubgegenelements (5) on the spring element (6) is reduced. Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the spring element (6) has a recess for the screw element (4) and / or screw counter element (5). Batteriepolklemme (1) according to at least one of the preceding claims, characterized in that the spring element (6) is bow-shaped. Batteriepolklemme (1) according to at least one of the preceding claims, characterized in that the spring element (6) at least one has curved arm (9). Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the spring element (6) has at least two arms (9). Batteriepolklemme (1) according to at least one of the preceding claims, characterized in that the two arms (9) surround the screw head of the screw (4) or a nut as screw counter element (5), in particular spaced, and in particular in the undeflected state of the spring element (6 ) protrude the two arms (9) of the spring element (6) of a base plate (10) or a snap ring of the spring element (6) substantially to the height of the upper edge of the screw head or the nut. Batteriepolklemme (1) according to at least one of the preceding claims, characterized in that the spring element (6) is integrally formed, wherein the spring element comprises a base plate (10) or a snap ring, wherein the base plate (10) or the snap ring has a recess or opening wherein at least one arm (9), in particular two arms (9), spanning from substantially one end of the base plate (10) to the other end of the base plate (10) or spanning substantially a segment of the snap ring to the opposite segment of the snap ring are formed, wherein the recess of the base plate (10) or the recess or opening of the snap ring is formed in particular between the two arms (9). Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the spring element (6) is made of spring steel. Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the spring element (6) is made of plastic. Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the spring element (6) has a base plate (10), wherein the base plate (10) as a washer of the screw member (4) or the screw counter element (5) is formed. Batteriepolklemme (1) according to at least one of the preceding claims, characterized in that a notch on the screw head of the screw (4) and / or on the nut is formed as a screw counter element (5), wherein the spring element (6) has a snap ring, wherein the snap ring in the notch of the screw head or the nut is fitted or fitted or at least partially received in this. Battery pole terminal (1) according to at least one of the preceding claims, characterized in that the clamping element (3) with the screw element (4) or the clamping element (3) with the screw counter element (5) is integrally connected and is formed so that the clamping to Reduction of the inner diameter of the ring portion (2) leads and blocks the rotation of the screw (4) or the Schraubgegenelemts (5) during the screwing.

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