DE102015217377B3 - Socket wrench insert and screwing tool with socket insert - Google Patents

Abstract

Socket insert (1) is specified, which has a main body (2) with a rotation axis (3). The base body (2) has a first opening (4), which forms a screw head receptacle (40). The socket (1) further comprises at least one torque transmitting element (5) formed on the screw head receptacle (40) having a first torque transmitting surface (51), a second torque transmitting surface (52) and a first and second torque transmitting surfaces (51, 52). arranged circumferential surface (53). The circumferential surface (53) has a first width (531) at an end facing the first opening (4) and a second width (532) at an end facing away from the first opening (4), wherein the first width (531) is greater as the second width (532). Furthermore, a screwing tool with a socket (1) is specified.

Description

A socket is specified. The socket wrench can z. B. connected to an operating tool and / or be part of a screwing. Furthermore, a screwing tool is specified with such a socket wrench.

Socket inserts are known in the art, with operating tools such. B. cross handles, cranks, creaks or grips can be connected. Screwdriving tools with such sockets can be operated by hand or by machine.

The publication DE 195 41 786 A1 shows a socket wrench for receiving hexagon screws according to the prior art.

In the publication US 2007/0289426 A1 For example, there is described a tool for removing a screw or nut having an opening with a plurality of inwardly projecting ribs.

The publication EP 2 418 049 A2 shows a female connector having a plurality of projections which are formed at an opening end of the socket and project into the interior of the opening.

In the publication WO 02/026448 A2 a receptacle is described with a body having a plurality of alternating drive portions and corner portions which are arranged about a central axis, wherein on each drive portion a kind of drive surface is arranged.

The publication WO 2006/023374 A1 describes a tool for tightening fasteners, wherein the tool has an opening for receiving a fastener on which inwardly projecting projections are formed.

A disadvantage of the known in the art sockets is that you can easily slip off the screw head of the screw when loosening a screw using the socket wrench with the screwing.

Starting from the prior art, it is thus a problem to be solved at least some embodiments to provide a socket wrench, by means of which a screw, such. As a flow hole screw, can be solved, whereby the risk of slipping off the screw head of the screw when loosening the screw is reduced.

This object is achieved by an article according to the independent claim. Advantageous embodiments and further developments will become apparent from the dependent claims, the following description and from the drawings.

A socket wrench insert according to at least one embodiment has a base body with a rotation axis, wherein the base body has a first opening which forms a screw head receptacle for receiving a screw head. The axis of rotation may in particular run through a center of the first opening. Preferably, the socket wrench is rotationally symmetrical. The socket insert can be referred to here and below as a nut, socket, key nut, screw nut or as a tool insert. The socket wrench preferably has a metal, such as. As steel, or consists of a metal. For example, the socket wrench can be made by eroding.

The socket also has at least one torque transmitting element formed on the screw head receptacle, which has a first torque transmitting surface, a second torque transmitting surface, and a peripheral surface disposed between the first and second torque transmitting surfaces. Preferably, the first torque-transmitting surface directly adjoins the peripheral surface. The second torque transmission surface preferably also directly adjoins the peripheral surface. The circumferential surface preferably has a first width at an end facing the first opening and has a second width at an end facing away from the first opening, wherein the first width of the peripheral surface is greater than the second width of the peripheral surface. The term "width" can here be understood to mean the spatial extent of the peripheral surface, for example perpendicular to the axis of rotation. The first width and the second width are preferably spaced apart in the direction of the axis of rotation, wherein the second width has a greater distance from the first opening than the first width.

The socket wrench insert described here is preferably suitable for use with flow hole screws and is characterized in particular by the fact that it does not slip off the screw head when loosening a screw, in particular due to the geometric configuration of the torque transmission element.

According to a further embodiment, the torque transmission element protrudes radially in the direction of the axis of rotation into the interior of the Nut socket. For example, the torque transmitting member may protrude radially inward towards the center of the first opening, the peripheral surface preferably being closer to the center of the first opening than the first and second torque transmitting surfaces, respectively.

According to another embodiment, the first torque-transmitting surface, the peripheral surface and the second torque-transmitting surface define the torque-transmitting element radially inward. After radially outward, the torque transmission element can be limited for example by a recess which is arranged on the first opening on an outer side of the base body. The recess may, for example, have a cylindrical, partially cylindrical, conical or frustoconical surface structure or shape.

According to a further embodiment, the first and the second torque transmission surface are each formed undercut from the direction of the first opening. A first edge formed between the first torque transmitting surface and the peripheral surface and a second edge formed between the peripheral surface and the second torque transmitting surface are preferably not parallel to each other. The first and second edges preferably define the peripheral surface toward the first and second torque transmitting surfaces, respectively. The first and / or the second edge can, for example, include an angle which is greater than 0 ° and less than 20 ° with a straight line which is formed axially parallel to the axis of rotation. Preferably, the first and / or the second edge form an angle of 5 ° with a straight line which runs parallel to the axis of rotation. According to another preferred embodiment, an imaginary extension of the first edge and an imaginary extension of the second edge subtend an angle of between 10 and 30 degrees. More preferably, the imaginary extensions of the first and second edges subtend an angle of 10 °.

According to a further embodiment, the socket wrench has a plurality of torque transmitting elements. The torque transmission elements may, for example, each be designed like the previously described torque transmission element and thus have one or more features of the aforementioned embodiments. Preferably, the torque transmitting members each have a first torque transmitting surface, a second torque transmitting surface, and a peripheral surface disposed between the first and second torque transmitting surfaces, the circumferential surfaces each having a first width at an end facing the first opening and a second end respectively facing away from the first opening Have width, wherein the first width is greater than the second width. Preferably, the torque transmitting elements are each formed on the screw head receptacle and each protrude radially in the direction of the axis of rotation of the main body of the socket wrench. The torque transmission surfaces of the torque transmission elements are preferably each undercut. According to a particularly preferred embodiment, the socket wrench has six torque transmitting elements. Alternatively, the socket may also have fewer than six torque-transmitting elements or more than six torque-transmitting elements.

According to a further embodiment, the base body at the first opening on a plurality of recesses, which limit the torque transmitting elements radially outward. The individual recesses are preferably spaced apart from one another and may, for example, each have a cylindrical, partially cylindrical, conical or frustoconical surface structure or shape.

According to a further embodiment, the basic body has at the first opening a plurality of phases which delimit the main body at the first opening radially outward. Preferably, in each case one phase is arranged between two recesses. For example, the phases may each connect two adjacent recesses with each other.

By means of the recesses and / or the phases, screws with screw heads, which are under paint, adhesive, sealing compounds and / or underbody protection, can also be loosened by means of the socket wrench insert described here. For example, a not completely removed coating can be severed or displaced due to the advantageous embodiment of the screw head recording, without underlying material such. B. a vehicle structure to damage. As a result, advantageously a time saving can be achieved, since screws to be loosened do not have to be completely cleaned before loosening.

According to a further embodiment, the base body has a second opening opposite the first opening. The first and second openings may be connected to each other, for example, by a passage opening. Preferably, the second opening for connection to an operating tool, such. B. one Plug handle, trained. For example, the second opening may be formed as a square socket for receiving a Außenvierkants. In addition, the base body may have the shape of an external hexagon at its end facing the second opening.

Furthermore, a screwing tool having a socket described here is specified. For example, the screwing tool may be integrally formed. Alternatively, the screwing tool may comprise, for example, an operating tool which may be detachably connected to the socket wrench insert.

Further advantages and advantageous embodiments of the socket insert described here will become apparent from the following in connection with the 1 to 5 described embodiments. Show it:

1 a perspective view of a socket wrench according to an embodiment,

2 a schematic side view of the socket wrench from the 1 .

3 a schematic representation of a plan view of the screw head receptacle of the socket wrench from the 1 .

4 a schematic representation of a sectional view of the socket wrench from the 1 , and

5 an enlarged view of a section A of the 4 ,

In the exemplary embodiments and figures, identical or identically acting components may each be provided with the same reference numerals.

The in conjunction with the 1 to 6 illustrated socket wrench insert 1 has a basic body 2 with a first subarea 21 and a second subarea 22 on. Preferably, the main body 2 integrally formed. The main body 2 has an axis of rotation 3 which passes through a center of a first opening 4 and a center of a second opening 8th runs. The first opening 4 and the second opening 8th are interconnected by a passage opening. At the first opening 4 is a screw head receptacle 40 educated.

The socket wrench insert 1 has six torque transmitting elements 5 on which each at the screw head receptacle 40 are formed. The torque transmission elements 5 each have a first torque transmitting surface 51 , a second torque transmitting surface 52 and one between the first and second torque transmitting surfaces 51 . 52 arranged peripheral surface 53 on. Between the first torque transmission surfaces 51 and the peripheral surfaces 53 is in each case a first edge 54 educated. Between the second torque transmission surfaces 52 and the peripheral surfaces 53 is each a second edge 55 educated.

The peripheral surfaces 53 point to one of the first opening 4 each end facing a first width 531 and at one of the first opening 4 opposite end a second width 532 on, being the first width 531 each greater than the second width 532 , The first edges 54 of each torque transmitting element 5 are to the second edges 55 the same torque transmitting element 5 not formed in parallel. The first and second edges 54 . 55 close with a straight line 30 which paraxial to the axis of rotation 3 runs, one angle at a time 56 . 57 a, which is 5.0 ° in the embodiment shown.

The main body 2 points to the first opening 4 six recesses 6 on, each with a recess 6 a torque transmitting element 5 bounded radially outward. Between two adjacent recesses 6 is each a phase 7 educated. By means of the recesses 6 and the phases 7 can advantageously a coating such. As a sealant, which is arranged on the screw head of a screw to be loosened, cut or displaced. Thus, the screw heads of the screws to be solved must advantageously not be completely cleaned before loosening, whereby time can be saved.

In the first part 21 indicates the basic body 2 a cylindrical outer contour. In the second part 22 , which directly to the first subarea 21 adjoins, the base body points 2 a hexagon outer contour on. Into the interior of the second subarea 22 extending second opening 8th has the shape of a square. Due to the design of the second portion 22 of the basic body 2 can the socket wrench 1 advantageously be easily coupled with an operating tool.

Alternatively or additionally, the embodiment shown in the figures may have further features according to the embodiments of the general description.

LIST OF REFERENCE NUMBERS

1

Socket

2

body

21

first subarea

22

second subarea

3

the rotation axis

30

Just

4

first opening

40

Screw head socket

5

Torque transmission member

51

first torque transmission surface

52

second torque transmission surface

53

peripheral surface

531

first width

532

second width

54

first edge

55

second edge

56

angle

57

angle

6

recess

7

phase

8th

second opening

A

neckline

Claims (14)

Socket insert ( 1 ), comprising - a basic body ( 2 ) with a rotation axis ( 3 ), where the basic body ( 2 ) a first opening ( 4 ), which has a screw head receptacle ( 40 ), - at least one at the screw head receptacle ( 40 ) formed torque transmission element ( 5 ), which has a first torque transmission area ( 51 ), a second torque transmitting surface ( 52 ) and one between the first and the second torque transmitting surface ( 51 . 52 ) arranged peripheral surface ( 53 ), - characterized in that the peripheral surface ( 53 ) at one of the first openings ( 4 ) end facing a first width ( 531 ) and at one of the first opening ( 4 ) facing away from a second width ( 532 ), wherein the first width ( 531 ) is greater than the second width ( 532 ). Socket insert according to claim 1, wherein the torque transmission element ( 5 ) projects radially in the direction of the axis of rotation. Socket insert according to one of claims 1 or 2, wherein the first torque transmission surface ( 51 ), the peripheral surface ( 53 ) and the second torque transmission surface ( 52 ) the torque transmission element ( 5 ) to limit radially inward. Socket insert according to one of the preceding claims, wherein the first torque transmission surface ( 51 ) and the second torque transmission surface ( 52 ) are formed undercut. Socket insert according to one of the preceding claims, wherein the first width ( 531 ) of the second width ( 532 ) in the direction of the axis of rotation ( 3 ) is spaced. Socket insert according to one of the preceding claims, wherein one between the first torque-transmitting surface ( 51 ) and the peripheral surface ( 53 ) formed first edge ( 54 ) and one between the peripheral surface ( 53 ) and the second torque transmission surface ( 52 ) formed second edge ( 55 ) do not run parallel to each other. Socket insert according to claim 6, wherein the first and / or the second edge ( 54 . 55 ) with a straight line which is parallel to the axis of rotation ( 3 ), an angle ( 56 . 57 ) which is greater than 0 ° and less than 20 °. Socket insert according to one of claims 6 or 7, wherein an imaginary extension of the first edge ( 54 ) and an imaginary extension of the second edge ( 55 ) enclose an angle between 1 ° and 30 °. Socket insert according to one of the preceding claims, comprising a plurality of torque-transmitting elements ( 5 ), each having a first torque transmitting surface ( 51 ), a second torque transmitting surface ( 52 ) and one between the first and the second torque transmitting surface ( 51 . 52 ) arranged peripheral surface ( 53 ), wherein the peripheral surfaces ( 53 ) at one of the first openings ( 4 ) facing end in each case a first width ( 531 ) and at one of the first opening ( 4 ) facing away in each case a second width ( 532 ), the first width ( 531 ) is greater than the second width ( 532 ). Socket insert according to one of the preceding claims, wherein the basic body ( 2 ) at the first opening ( 4 ) at least one recess ( 6 ), which the torque transmission element ( 5 ) bounded radially outward. Socket insert according to one of the preceding claims, wherein the basic body ( 2 ) at the first opening ( 4 ) a plurality of phases ( 7 ), which the basic body ( 2 ) at the first opening ( 4 ) to limit radially outward. Socket insert according to one of the preceding claims, wherein the basic body ( 2 ) one of the first opening ( 4 ) opposite second Opening ( 8th ), which is designed for connection to an operating tool. Socket insert according to claim 12, wherein the second opening ( 8th ) is designed as a square socket. Wrenching tool, comprising a socket ( 1 ) according to one of the preceding claims.

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