DE102015107050A1 - battery terminal - Google Patents

Abstract

A battery terminal comprising a stamped and bent part (1) on which is formed a receptacle (10) which can be applied to a pole of a battery in a direction of application, screw means (2) for clamping the receptacle (10) to the pole of the battery, wherein the screw means (2) are operable or screwable substantially in the direction of application of the receptacle (10) and clamping means cooperating with the screw means (2) for clamping the receptacle (10) to the pole of the battery, the clamping means are formed on the stamped and bent part (1).

Description

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

A battery terminal of the aforementioned type is known from EP 1 675 221 A1 known. The battery terminal described therein comprises a receptacle slidable on one pole of a battery and screw means for the clamping attachment of the receptacle to the pole of the battery. The screw means comprise a screw which can be introduced into a nut, wherein the screw can be screwed in the application direction of the receptacle or in the longitudinal direction of the pole. This direction usually corresponds to the vertical direction, so that in such battery terminals, the attachment is also referred to as a vertical screw. In the EP 1 675 221 A1 the receptacle is formed on a first stamped and bent part. The battery clamp comprises two further stamped and bent parts, which can be pushed into the first stamped and bent part from the side. By tightening the screw, which protrudes through the two other stamped and bent parts, two outgoing from the receiving leg of the first stamped and bent part are moved toward each other, whereby the diameter of the receptacle is reduced and this is fixed by clamping the pole.

A disadvantage of this prior art, the complexity of the battery terminal proves. On the one hand, the multi-component clamp is expensive to manufacture. On the other hand results from the large number of items and a great installation effort.

Furthermore, known from the prior art battery terminals in stamping bending technology, in which the screw means are perpendicular to the application direction of the recording or horizontally actuated or screwed. This design has the disadvantage that the screw means are poorly accessible.

The problem underlying the invention is to provide a battery terminal of the type mentioned, in which the screw means are easily accessible and which is nevertheless constructed comparatively simple.

This is inventively achieved by a battery terminal of the type mentioned above with the characterizing features of claim 1. The subclaims relate to preferred embodiments of the invention.

According to claim 1 it is provided that the clamping means are formed on the stamped and bent part. This reduces the complexity of the battery terminal. In particular, only a few additional parts such as a screw and a nut are used, which are also used in forged clamps. Despite the simplicity of the battery terminal according to the invention can be realized with it a vertical screw which ensures good accessibility of the screw.

It can be provided in particular that the battery terminal is formed as an integral stamped and bent part except for the screw means. This significantly reduces the complexity of the battery terminal because it consists of only three parts. The design of the battery terminal as a stamped and bent part offers a significant weight advantage over known from the prior art battery terminals. Furthermore, in a battery terminal according to the invention, the complexity of the geometry can be reduced.

There is the possibility that the stamped and bent part comprises as clamping means at least one inclined surface which forms an angle not equal to 0 ° and not equal to 90 ° with the application direction, preferably an angle between 10 ° and 30 °, in particular an angle between 15 ° and 25 ° , Furthermore, it can be provided that the screw means comprise at least one inclined surface which forms an angle not equal to 0 ° and not equal to 90 ° with the application direction, preferably an angle between 10 ° and 40 °, in particular an angle between 20 ° and 30 °. For example, while the stamped and bent part comprise as clamping means two inclined surfaces which enclose an angle not equal to 0 ° and not equal to 90 ° with the application direction, wherein the two inclined surfaces of the stamped and bent part are preferably arranged facing away from each other, wherein the screw means may comprise two inclined surfaces, which enclose an angle not equal to 0 ° and not equal to 90 ° with the application direction, wherein the two inclined surfaces of the screw means are preferably arranged opposite to each other. Preferably, the at least one inclined surface of the stamped and bent part abut the at least one inclined surface of the screw means and cooperate with this for the clamping attachment of the receptacle to the pole of the battery. In this way, clamping means for securing the receptacle to the pole of the battery can be realized on the one-piece stamped and bent part with simple means and a little complex geometry.

It is possible that the screw means comprise a screw with a head and a threaded portion and a nut, wherein the at least one inclined surface of the screw means may be arranged on the head of the screw or on the nut. In particular, the at least one inclined surface is at that part the screw means are arranged, which does not rotate during the screwing operation. These are when screwing the screw into the nut nut and when screwing the nut on the screw, the head of the screw.

It can be provided that the at least one inclined surface of the stamped and bent part is arranged in an at least single, preferably double bent region of the stamped and bent part. On the one hand can be pretended by bending the desired angle of the inclined surface. On the other hand, the area provided with the inclined surface is given greater stability by the double bending, for example.

There is the possibility that the receptacle is open laterally, in particular in a direction perpendicular to the application direction, or has an opening, wherein the stamped and bent part has two legs which adjoin the opening of the receptacle and protrude from the receptacle. In this case, the at least one inclined surface of the stamped and bent part may be arranged on one of the legs, wherein an inclined surface is preferably arranged on each of the two legs. An interaction of these inclined surfaces with the inclined surfaces of the screw means thus leads directly to a movement toward each other of the legs and thus to the clamping attachment of the receptacle on the pole.

It may further be provided that the stamped and bent part comprises at least one holding section, preferably two holding sections, for the screw means. In particular, the at least one holding section of the stamped and bent part can be arranged on one of the legs, wherein a holding section is preferably arranged on each of the two legs. By this design, the leadership of the screw is taken over by suitable sections of the stamped and bent part.

For example, while arranged on the two legs holding portions can overlap each other. As a result, a sufficient stability of the holder is ensured even when the holding portions as a simple flap.

There is the possibility that the battery terminal comprises a connection section for a cable or a battery sensor, which is in particular formed on the stamped and bent part, wherein preferably the connection section protrudes on the side remote from the legs of the receptacle, in particular in the direction away from the legs direction , Also, the terminal portion can be integrated in this way in the stamped and bent part, so that the entire battery terminal can be integrally formed except for the screw means.

Reference to the accompanying drawings, the invention is explained in more detail below. Showing:

1 a side view of a battery terminal according to the invention;

2 a plan view of the battery terminal according to 1 ;

3 one opposite 1 rotated 90 ° side view of the battery terminal;

4 a perspective view of the battery terminal according to 1 ;

5 a plan view of a stamped and bent part of a battery terminal according to the invention after punching and before bending;

6 the stamped bent part according to 5 after bending.

In the figures, identical or functionally identical parts are provided with the same reference numerals.

The in the 1 to 4 illustrated embodiment of a battery terminal comprises a one-piece stamped and bent part 1 and screwdrivers 2 , The screwdrivers 2 include a screw 3 with a head 4 and a threaded portion 5 as well as a mother 6 into which the threaded section 5 can be screwed. The cylinder axis 7 of the threaded portion 5 is in 1 . 2 and 3 located.

The stamped and bent part 1 consists at least in sections of an electrically conductive material, in particular of metal, for example of copper or a copper alloy.

On the threaded section 5 facing side of the head 4 are two opposing inclined surfaces 8th . 9 provided with the axial direction of the threaded portion 5 or its cylinder axis 7 include an angle α, which is in the illustrated embodiment between 10 ° and 40 °, in particular between 20 ° and 30 ° (see 1 ). 1 and 4 show that the inclined surfaces 8th . 9 on the insides of the threaded section 5 surrounding edge of the head 4 are arranged.

The stamped and bent part 1 includes a recording 10 , which can be pushed onto a not shown conical pole of a battery. The recording 10 This is done by a more than 270 °, preferably more than 300 ° circumferential portion of the stamped and bent part 1 formed, which has an inner conical space 11 for the usually conical pole leaves free. The circumferential portion has the shape of a shell of a part truncated cone. The cone axis 12 of the inner conical space 11 the recording 10 extends parallel to the cylinder axis 6 of the threaded portion 5 the screw 3 (please refer 2 ).

The stamped and bent part 1 further comprises clamping means by two mutually remote inclined surfaces 13 . 14 of the stamped and bent part 1 are formed. The inclined surfaces 13 . 14 are on opposite outer sides of the stamped and bent part 1 arranged (see 1 ). The inclined surfaces 13 . 14 close with the axial direction of the threaded portion 5 or with the cone axis 12 of the inner conical space 11 the recording 10 an angle β, which in the illustrated embodiment is between 10 ° and 30 °, in particular between 15 ° and 25 ° (see 1 ).

The inclined surfaces 13 . 14 of the stamped and bent part 1 are on thighs 15 . 16 arranged, different from the picture 10 extend (see, for example 2 ). The recording 10 is unilaterally open, since it from the example about about 300 ° circumferential portion of the stamped and bent part 1 is formed. From the end areas of the one-sided opening 17 the recording 10 The thighs extend 15 . 16 in the same direction (for example, down in 2 ).

5 shows a punched blank 1' a stamped and bent part 1 one of the essential components of the invention have battery terminal according to the invention after punching but before bending. In this punching blank 1' is the center of the recording 10 forming section 10 ' can be seen, which is brought by the bending in the form of a shell of a part truncated cone. To the recording 10 close left and right in 5 the thigh 15 . 16 at. The thighs 15 . 16 forming sections 15 ' . 16 ' of the punching blank 1' expand at their from the central section 10 ' opposite end respectively up and down in 5 ,

The inclined surfaces 13 . 14 of the stamped and bent part 1 are each in a twice bent portion of the legs 15 . 16 , For example, shows 6 for the inclined surface 13 that these on the outside of one by two bends 18 . 19 resulting area is arranged. The first bend 18 is done by about 160 ° to the outside, whereas the second bend 19 is done by about 180 ° to the inside. The at the second bend 19 inwardly bent section 20 is only about half as long as the one at the first bend 18 outwardly bent section 21 whose outside is the inclined surface 13 forms. 5 clarifies these proportions in the between or below the bending lines 18 ' . 19 ' arranged sections 20 ' . 21 ' before bending. Hereby extend in 5 the sections 20 ' . 21 ' from the left thigh 15 forming section 15 ' downward.

At the in 6 right upper thigh 16 are comparable bends 18 . 19 provided, so that too on this leg 16 the inclined surface 14 in the range of comparable bent sections 20 . 21 is formed.

5 can also be seen that in the punched blank 1' from the thighs 15 . 16 forming sections 15 ' . 16 ' sections 22 ' . 23 ' extend upwards. These sections 22 ' . 23 ' be like 6 clarified when bent inward by about 90 °, so that they overlap each other holding sections 22 . 23 for the screwdrivers 2 form. In this case, the holding section 22 of in 6 left lower thigh 15 an opening 24 on, whereas the holding section 23 of in 6 right upper thigh 16 a one-sided open recess 25 has (see also 5 ). The one with the opening 24 provided holding section 22 lies on the one with the recess 25 provided holding section 23 on. Through the opening 24 and the recess 25 may be the threaded portion 5 the screw 3 extend (see also 1 and 4 ).

On the thighs 15 . 16 opposite side of the recording 10 is at this a connection section 26 arranged for a not shown cable or a battery sensor not shown, wherein the connecting portion 26 in particular part of the one-piece stamped and bent part 1 is (see in particular 2 . 3 and 4 ). In 5 is this connection section 26 forming section 26 ' of the punching blank 1' indicated only by dashed lines and in 6 not illustrated. In the bent state of the stamped and bent part, the connection section extends 26 in the thighs 15 . 16 opposite direction (see 3 ).

In the in the 1 to 4 The illustrated assembled state of the battery terminal is the head 4 the screw 3 below, being from the head 4 the threaded section 5 sticks up. The stamped and bent part 1 lies on the threaded section 5 facing top of the head 4 on. In particular, the outwardly facing inclined surfaces lie here 13 . 14 the thigh 15 . 16 on the inwardly facing inclined surfaces 8th . 9 Of the head 4 (see in particular 1 and 4 ).

The threaded section 5 protrudes through the recess 25 and the opening 24 through to the top in the mother 6 on the top of the opening 24 having holding portion 22 rests.

When the recording 10 can be pushed onto the pole of a battery, by tightening the nut 6 on the threaded section 5 the mother 6 down in 1 to be moved. As a result, the inclined surfaces slide 13 . 14 the thigh 15 . 16 on the inclined surfaces 8th . 9 Of the head 4 the screw 3 along down and inward. Through this movement of the inclined surfaces 13 . 14 inside are also the thighs 15 . 16 moved towards each other inwardly. This will change the diameter of the recording 10 downsized and the pole of the battery in the receptacle 10 clamped.

LIST OF REFERENCE NUMBERS

1

Stamped and bent part

1'

punched blank

2

screw

3

screw

4

Head of the screw 3

5

Thread section of the screw 3

6

mother

7

Cylinder axis of the threaded section 5

8th

inclined surface on the head 4 the screw 3

9

inclined surface on the head 4 the screw 3

10

admission

10 '

the recording 10 forming section of the punched blank 1'

11

conical room in the reception 10

12

Cone axis of the conical space 11

13

inclined surface on the leg 15

14

inclined surface on the leg 16

15

Legs of the stamped bent part 1

15 '

the thigh 15 forming section of the punched blank 1'

16

Legs of the stamped bent part 1

16 '

the thigh 16 forming section of the punched blank 1'

17

one-sided opening of the recording 10

18

first bend

18 '

first bendline

19

second bend

19 '

second bendline

20

inwardly bent portion of the legs 15 . 16

20 '

the section 20 forming section of the punched blank 1'

21

outwardly bent portion of the legs 15 . 16

21 '

the section 21 forming section of the punched blank 1'

22

holding section

22 '

the holding section 22 forming section of the punched blank 1'

23

holding section

23 '

the holding section 23 forming section of the punched blank 1'

24

Opening in the holding section 22

25

Recess in the holding section 23

26

connecting section

26 '

the connection section 26 forming section of the punched blank 1'

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 1675221 A1 [0002, 0002]

Claims (15)

Battery terminal, comprising - a stamped and bent part ( 1 ), where a recording ( 10 ) is formed, which can be applied in a direction of application to a pole of a battery, - screw ( 2 ) for the clamping attachment of the receptacle ( 10 ) at the pole of the battery, wherein the screw means ( 2 ) substantially in the application direction of the receptacle ( 10 ) can be actuated or screwed in, - clamping means connected to the screwing means ( 2 ) for the clamping attachment of the receptacle ( 10 ) cooperate on the pole of the battery, characterized in that the clamping means on the stamped and bent part ( 1 ) are formed. Battery terminal according to claim 1, characterized in that the battery terminal except for the screw means ( 2 ) as a one-piece stamped and bent part ( 1 ) is trained. Battery terminal according to one of claims 1 or 2, characterized in that the stamped and bent part ( 1 ) as clamping means at least one inclined surface ( 13 . 14 ), which includes an angle (β) not equal to 0 ° and not equal to 90 ° with the application direction, preferably an angle (β) between 10 ° and 30 °, in particular an angle (β) between 15 ° and 25 °. Battery terminal according to one of claims 1 to 3, characterized in that the screw means ( 2 ) at least one inclined surface ( 8th . 9 ), which includes an angle (α) not equal to 0 ° and not equal to 90 ° with the application direction, preferably an angle (α) between 10 ° and 40 °, in particular an angle (α) between 20 ° and 30 °. Battery terminal according to one of claims 3 or 4, characterized in that the stamped and bent part ( 1 ) as clamping means two inclined surfaces ( 13 . 14 ) which enclose an angle (β) not equal to 0 ° and not equal to 90 ° with the application direction, the two inclined surfaces ( 13 . 14 ) of the stamped and bent part ( 1 ) are preferably arranged facing away from each other, and / or that the screw means ( 2 ) two inclined surfaces ( 8th . 9 ) which enclose an angle (α) not equal to 0 ° and not equal to 90 ° with the application direction, the two inclined surfaces ( 8th . 9 ) of the screw means ( 2 ) are preferably arranged opposite one another. Battery terminal according to one of claims 4 or 5, characterized in that the at least one inclined surface ( 13 . 14 ) of the stamped and bent part ( 1 ) on the at least one inclined surface ( 8th . 9 ) of the screw means ( 2 ) and with this for the clamping attachment of the recording ( 10 ) cooperates with the pole of the battery. Battery terminal according to one of claims 1 to 6, characterized in that the screw means ( 2 ) a screw ( 3 ) with a head ( 4 ) and a threaded portion ( 5 ) as well as a mother ( 6 ). Battery terminal according to claim 7, characterized in that the at least one inclined surface ( 8th . 9 ) of the screw means ( 2 ) on the head ( 4 ) of the screw ( 3 ) or at the mother ( 6 ) is arranged. Battery terminal according to one of claims 2 to 8, characterized in that the at least one inclined surface ( 13 . 14 ) of the stamped and bent part ( 1 ) in an at least single, preferably double bent portion of the stamped and bent part ( 1 ) is arranged. Battery terminal according to one of claims 1 to 9, characterized in that the receptacle ( 10 ) is laterally, in particular in a direction perpendicular to the application direction, open or an opening ( 17 ), wherein the stamped and bent part ( 1 ) two legs ( 15 . 16 ) facing the opening ( 17 ) of the recording ( 10 ) and from recording ( 10 ) protrude. Battery terminal according to claim 10, characterized in that the at least one inclined surface ( 13 . 14 ) of the stamped and bent part ( 1 ) on one of the legs ( 15 . 16 ), preferably at each of the two legs ( 15 . 16 ) an inclined surface ( 13 . 14 ) is arranged. Battery terminal according to one of claims 1 to 11, characterized in that the stamped and bent part ( 1 ) at least one holding section ( 22 . 23 ), preferably two holding sections ( 22 . 23 ), for the screwdrivers ( 2 ). Battery terminal according to claim 12, characterized in that the at least one holding section ( 22 . 23 ) of the stamped and bent part ( 1 ) on one of the legs ( 15 . 16 ), preferably at each of the two legs ( 15 . 16 ) a holding section ( 22 . 23 ) is arranged. Battery terminal according to claim 13, characterized in that the on the two legs ( 15 . 16 ) holding sections ( 22 . 23 ) overlap each other. Battery terminal according to one of claims 1 to 14, characterized in that the battery terminal a connection portion ( 26 ) for a cable or a battery sensor, in particular on the stamped and bent part ( 1 ), wherein preferably the connection section ( 26 ) on the thighs ( 15 . 16 ) facing away from the Admission ( 10 ), especially in the thighs ( 15 . 16 ) facing away.

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