DE102005024061A1 - Release clip for handling flat materials, e.g. glass panes, has a press pad in a holder with a force and positive fit held in place by springs between grooves in each part - Google Patents

Abstract

The release clip for handling flat materials, e.g. glass panes, has a press pad body (4) held in a holder (1) in a force or positive fit and can be removed for exchange. The pad body is fastened between at least two side surfaces (8,9) of the holder. The pad body has at least one fixing groove (15) and the side surface has at least one holder groove (10) with at least one spring (2,3) in either groove to lock into the other.

Description

The The invention relates to a method and a device for again releasable Attaching a contact body on a bracket.

at the contact body in particular, they can be jaws that are in stapling systems be used to flat components lift and transport. In the glass industry become the Example tempered glass panels in other coating processes. This is done usually by transporting the glass panes to dipping baths or spraying, in which the glass panes then provided with the desired coating become. In order not to damage the glass and at the same time a secure frictional To ensure connection have to the jaws regularly replaced and overhauled become.

For this It is necessary to periodically To release pressure plate from a bracket of the clamp system and against new or revised Replace pressure jaws.

In The clamping jaw is usually the currently in use Klammersystemen on her back provided with a threaded bolt. During the revision of the jaws becomes the tissue layer that comes into contact with the glass material replaced by a new layer of tissue by hand, with the Tissue layer beaten laterally around the jaw and by the back is fixed by a clamping plate.

The Clamp is over a screwed onto the threaded bolt nut against the pressure plate curious; excited. However, this procedure is very labor-intensive and expensive, so that there are efforts that can be used in the holder Pressure plate as one piece To make the component exchangeable. In particular, the fastening device high temperatures as well as mechanical and chemical loads exposed.

As a result, the invention has for its object to provide a method for again releasable Attachment of a contact body to provide a bracket that a reliable connection even at high temperatures and easy attachment and detachment to Replacement of the contact body guaranteed.

A Another sub-task is to provide a corresponding device, with which the method can preferably be carried out to develop.

The Task is according to the invention with a Method for releasable Attaching a contact body solved on a holder, in which the contact body attached between at least two side surfaces of the holder is, wherein the contact body at least one first fixing groove and the at least one side surface at least one having a first retaining groove, and at least one first spring element inserted in the first retaining groove or the first Fixierungsnut and by engaging the first spring element in the other Groove is attached.

With Help the method of the invention is created a combined combination of form and adhesion, the one hand, non-destructive and easily removable again is and on the other hand for High temperature applications is suitable. An essential component makes the spring element as a positive and non-positive connection element between the components to be fastened holder and contact body, wherein the spring element by the impressions of the contact body radially is deformed and forms a wedge between the holder and contact body. The connection between the contact body and the holder can be non-destructive solved again become. The temperature resistance reaches its upper limit there, where the clamping force of the spring element wears off. This will be for example achieved at spring elements made of steel at about 550 ° C. Influence on the Strength of the connection have, inter alia, the thickness of the spring element, the number of turns, if a helical or spiral spring is used comes, and the groove thickness.

The Invention can be used in many technical fields, preferably on furniture parts in shelf shelves and room dividers, in the building industry in shuttering, in scaffolding, at Prefabricated building elements, facade cladding and glass panes. A further use can in vehicle construction with brake shoes, shelves and Covers or in general mechanical engineering for attaching Holding jaws lie. Likewise For example, refrigerator shelves in the interior of the refrigerator be attached or in the electrical industry insert components such as Example batteries.

advantageously, becomes the contact body on at least one of the first retaining groove opposite side surface by means Form and / or friction between the contact body and the side surface attached.

As an alternative to the method described above, if the contact body has a second fixing groove and a second retaining groove is arranged on at least one side surface opposite the first retaining groove, it can be inserted into the second hal tenut or the second Fixierungsnut a second spring element inserted and the contact body are fixed by snapping into the respective other groove.

In a preferred embodiment the procedure is first the first and second spring element pushed onto a mounting bracket and the mounting clip afterwards inserted in the retaining grooves. The mounting clip includes a U-shaped bent Wire whose leg distance substantially the distance of the retaining grooves equivalent. The thighs can also V-shaped diverge so that the ends of the thighs continue to each other are spaced as the retaining grooves. In this embodiment due to the restoring force of Thigh an automatic Fixation of the mounting clip with the spring elements pushed on it possible. The mounting bracket effectively prevents slipping of the two Spring elements before assembly and can then be removed.

To the Solve the Contact body can this opposite the holder moved in the axial direction and / or at least a spring element to be pulled out in the axial direction. It is also possible, to release of the contact body the first spring element of the first retaining groove or the first Fixierungsnut lashing out.

• – die Halterung zwei gegenüberliegende Seitenflächen aufweist, wobei in mindestens einer Seitenfläche eine erste Haltenut ausgebildet ist,
• – der Kontaktkörper in mindestens einer Außenwand eine erste Fixierungsnut aufweist und
• – in zusammengesetztem Zustand von Halterung und Kontaktkörper die erste Haltenut und die erste Fixierungsnut gegenüberstehen und einen ersten Haltekanal bilden, in welchen ein erstes Federelement eingesetzt ist.

The subtask is achieved with a device comprising a holder and a releasably attachable thereto contact body, wherein

• The holder has two opposite side surfaces, wherein a first holding groove is formed in at least one side surface,
• - The contact body in at least one outer wall has a first Fixierungsnut and
• - In the assembled state of the holder and contact body, the first retaining groove and the first fixing groove facing and form a first retaining channel, in which a first spring element is inserted.

In a particular embodiment stand in the assembled state of the holder and contact body the second retaining groove and the second fixing groove opposite and form a second retaining channel, in which a second spring element is used.

advantageously, are the side surfaces on two substantially perpendicular side cheeks arranged, wherein the side cheeks fixed to each other in one given jaw spacing can stand.

Preferably the side jaws are over one Base plate connected. In this case, the base plate on one side flange attack on the side cheeks. The main advantage of this arrangement results from being in the assembled state of bracket and contact body the contact body with sustained pressure load on the base plate an additional bearing surface place.

A Particularly good fixation of the contact body is achieved when the Outer walls of the contact body approximately in Jaw spacing of the bracket are arranged.

It has been considered favorable proven to form the spring elements as coil springs, advantageously from an Inconel X750 wire. The spring element can also be in others Be executed in forms for example, as a spiral spring, bow, leaf spring or polymer strand. As materials come next to metal and plastic or ceramic in question.

The in the contact body arranged fixing grooves can have a triangular cross-section. This facilitates that Slipping the Fixierungsnut on the respective spring element, allows but in the assembled state sufficient fixation of Contact body. Alternative cross sections can be formed round or rectangular.

the across from should the retaining grooves have a rectangular cross-section, secured with the respective spring element stationary against slipping is. A triangular or round cross section is basically also possible here.

advantageously, is the rectangular cross section of the retaining grooves with a height corresponding to External diameter formed of the spring element. Below the height of the rectangular cross section a direction is understood according to an orientation parallel to the extent of the side cheek or side surface. The Design simplifies the insertion of the spring elements and allows a pressure-induced deformation of the spring element no evasion of the spring element in height of the cross section to.

in the With regard to the geometric design of the geometric cross section this can be with a depth smaller than the outer diameter of the spring element be formed.

To the better understanding The invention will be explained in more detail below with reference to five drawing figures. there show the

1 a perspective view of a partially inserted into a holder contact body;

2 : an exploded view on hold tion, contact body and mounting clip with deferred coil springs and

3 a side view of a contact body inserted into a holder;

4 a schematic cross section through a holder and a contact body with a spring element and

5 a schematic cross section through a holder and a contact body with two spring elements.

The 1 shows a perspective view of a partially in a holder 1 inserted contact body 4 , The holder 1 includes a horizontally extending base plate 19 , at the two-sided ends first and second side jaws 5 . 6 are formed. The side cheeks 5 . 6 stand perpendicular to the base plate 19 , On the inside, the respective side jaw points 5 . 6 a largely flat side surface 8th . 9 on, which in a central region by a first and second retaining groove 10 . 11 is interspersed.

The holding grooves 10 . 11 are straight in their axial extent and always parallel to the top of the base plate 19 , Here are the retaining grooves 10 . 11 at the same height opposite.

The contact body 4 is formed plate-like and has a rectangular cross-sectional shape. At the contact body 4 are in particular the first and second outer wall 13 . 14 aligned parallel to each other. In every outer wall 13 . 14 runs in the axial direction in each case a first or second fixing groove 15 . 16 , The presentation of the 1 shows the contact body 4 in a position during insertion into the holder. This is the bottom corner of the first outer wall 13 on the base plate 19 on and the upper portion of the first sidewall 13 abuts linearly against the upper portion of the side surface 8th the first side jaw 5 , The second outer wall 14 stands free above the base plate 19 in a level above the second side jaw 6 ,

In both retaining grooves 10 . 11 are each over the entire length of the first and second spring elements 2 . 3 inserted, which are designed as coil springs. That in the first holding groove 10 located first spring element 2 is through the first outer wall 13 and the first fixing groove located therein 15 kept in position. In this position of the contact body 4 is the second spring element 3 loose in the second holding groove 11 ,

In the 2 essential components of the holding device are shown in an exploded view. In addition, a mounting bracket 23 to recognize, on the two legs of the first and second spring element 2 . 3 is deferred. The mounting clip 23 is used for mounting together with the first and second spring elements 2 . 3 in the first and second holding groove 10 . 11 used. Here is the leg distance 24 the mounting clip 23 about the distance 25 (please refer 3 ) of the retaining grooves 10 . 11 selected to each other, so that a clamping effect and a fixed positioning of the mounting bracket 23 together with the spring elements 2 . 3 in the retaining grooves 10 . 11 is achieved.

The 3 shows one completely in the holder 1 inserted and fixed therein contact body 4 in a side view, wherein the transition region of contact body 4 and second side jaw 6 is shown enlarged.

The depressed into the holder contact body 4 lies completely on the base plate 19 on. The first and second spring element 2 . 3 have taken their original cross-section and in the first and second Fixierungsnut 15 . 16 extended and thereby exert a barrier effect, the contact body 4 stationary in the holder 1 holds. The spring elements 2 . 3 are located in first and second holding channels 17 . 18 that came from the retaining grooves 10 . 11 and the respective opposite fixing grooves 15 . 16 be formed.

On the back of the bracket 1 that is the contact body 4 applied side, is a holding pin 12 arranged, with the aid of which the entire holding device can be attached, for example, to clamp systems or hoists.

In the 3 It can also be seen that the width 26 of the contact body 4 almost the jaw spacing 7 is selected. The slightly larger jaw distance 7 on the one hand necessary to achieve a fast and temperature-resistant attachment, and on the other hand, a pivoting of the contact body 4 in an inclined position between the first and second side jaw 5 . 6 to enable.

The dimensioning of the retaining grooves 10 . 11 with respect to the spring element 2 . 3 is particularly good at cropping the 3 to recognize.

The height 20 the first and second holding groove 10 . 11 corresponds approximately to the outside diameter 21 of the spring element 2 . 3 in its deformed state with inserted contact body 4 , The depth 22 the holding groove 10 . 11 However, it is chosen to be much lower to a projection of the spring element 2 . 3 over the side surface 8th . 9 and protrude into the fixation groove 15 . 16 to enable.

The 4 shows a further embodiment of the invention, in which a cross-sectionally substantially rectangular contact body 4 between two parallel upstanding first and second side jaws 5 . 6 a holder 1 is attached. In this embodiment, the contact body 4 a single fixing groove extending in the plane of the drawing 15 with rectangular cross section; all other pages are provided with a flat surface. A structurally identical retaining groove 10 is located in the side surface 8th the first side jaw 5 , wherein the contact body 4 is aligned with respect to its vertical position such that the retaining groove 10 and the fixing groove 15 facing each other and a holding channel 17 form. In the retaining channel 17 there is a spring element 2 , On the fixation groove 15 opposite side is the second outer wall 14 frictionally engaged on the side surface 9 the second side jaw 6 at. In this constructive embodiment, a spring element is sufficient 2 out to the contact body 4 to hold in its intended position.

Another alternative embodiment illustrates 5 in which a trapezoidal contact body 4 in a cup-shaped recess of the holder 1 is fixed. In the area of the first side jaw 5 also runs a first holding groove 10 that with the first fixing groove 15 of the contact body 4 and a first spring element located therein 2 cooperates and prevents in the first place a slide out of the contact body in the vertical direction. The first outer wall 13 opposite second outer wall 14 of the contact body 4 as well as the side surface 9 the second holding jaw 6 have no form-fitting cooperating surfaces. The outer wall 14 is rather frictionally engaged over its entire length on the side surface 9 at.

The contact body 4 is at its bottom with a third outer wall 27 provided, the end the two outer walls 13 . 14 combines. In the outer wall 27 runs axially parallel to the first Fixierungsnut 15 a second fixing groove 16 that has a second spring element 3 with one in a bottom wall 28 extending second holding groove 11 cooperates and a displacement of the contact body 4 in the direction of the first side jaw 5 counteracts.

1

bracket

2

first spring element

3

second spring element

4

Contact body

5

first Side jaw bracket

6

second Side jaw bracket

7

Back distance

8th

Side surface first page Backe

9

Side surface second page Backe

10

first retaining groove

11

second retaining groove

12

retaining pins

13

First outer wall Contact body

14

Second outer wall Contact body

15

First fixing groove

16

Second fixing groove

17

first retaining channel

18

second retaining channel

19

baseplate

20

Height rectangular cross-section

21

outer diameter spring element

22

depth rectangular cross-section

23

mounting clip

24

leg distance mounting clip

25

distance retaining

26

width Contact body

27

third outer wall Contact body

28

bottom wall

Claims (21)

Method for releasably securing a contact body ( 4 ) on a holder ( 1 ), characterized in that the contact body ( 4 ) between at least two side surfaces ( 8th . 9 ) of the holder ( 1 ), wherein the contact body ( 4 ) at least one first fixing groove ( 15 ) and the at least one side surface ( 8th . 9 ) at least one first retaining groove ( 10 ), and at least one first spring element ( 2 ) in the first holding groove ( 10 ) or the first fixing groove ( 15 ) and by latching of the first spring element ( 2 ) into the respective other groove ( 10 . 15 ) is attached. Method according to claim 1, characterized in that the contact body ( 4 ) at least one of the first retaining groove ( 10 ) opposite side surface ( 8th . 9 ) by means of form or frictional engagement between the contact body ( 4 ) and the side surface ( 8th . 9 ) is attached. Method according to claim 1, characterized in that the contact body ( 4 ) a second fixing groove ( 16 ) and at least one of the first retaining groove ( 10 ) opposite side surface ( 8th . 9 ) a second retaining groove ( 11 ), wherein in the second retaining groove ( 11 ) or the second fixing groove ( 16 ) a second spring element ( 3 ) and by snapping into the other groove ( 11 . 16 ) is attached. A method according to claim 3, characterized in that first the first and second spring element ( 2 . 3 ) on a mounting clip ( 23 ) and the mounting clip ( 23 ) then into the retaining grooves ( 10 . 11 ) is inserted. Method according to one of claims 1 to 4, characterized in that for releasing the contact body ( 4 ) this opposite the holder ( 1 ) is displaced in the axial direction. Method according to one of claims 1 to 5, characterized in that for releasing the contact body ( 4 ) at least one spring element ( 2 . 3 ) is pulled out in the axial direction. Method according to one of claims 1 to 6, characterized in that for releasing the contact body ( 4 ) the first spring element ( 2 ) from the first holding groove ( 10 ) or the first fixing groove ( 15 ) is disengaged. Device for carrying out the method according to one of claims 1 to 7, comprising a holder ( 1 ) and a releasably attachable contact body ( 4 ), characterized in that - the holder has two opposite side surfaces ( 8th . 9 ), wherein in at least one side surface ( 8th ) a first retaining groove ( 10 ), - that the contact body ( 4 ) in at least one outer wall ( 13 . 14 ) a first fixing groove ( 15 ) and - that in the assembled state of the holder ( 1 ) and contact bodies ( 4 ) the first holding groove ( 10 ) and the first fixing groove ( 15 ) and a first retaining channel ( 17 ) in which a first spring element ( 2 ) is used. Apparatus according to claim 8, characterized in that in the assembled state of the holder ( 1 ) and contact bodies ( 4 ) the second holding groove ( 11 ) and the second fixing groove ( 16 ) and a second retaining channel ( 18 ) in which a second spring element ( 3 ) is used. Apparatus according to claim 8 or 9, characterized in that the side surfaces ( 8th . 9 ) on two substantially perpendicular side cheeks ( 5 . 6 ) are arranged. Apparatus according to claim 10, characterized in that the side cheeks ( 5 . 6 ) fixed to each other at a predetermined jaw distance ( 7 ) stand. Device according to claim 10 or 11, characterized in that the side cheeks ( 5 . 6 ) over a base plate ( 19 ) are connected. Device according to one of claims 8 to 12, characterized in that the outer walls ( 13 . 14 ) approximately at the jaw spacing ( 7 ) are arranged Device according to one of claims 8 to 13, characterized in that the spring elements ( 2 . 3 ) are each formed as a helical spring. Device according to claim 14, characterized in that that the coil spring is made of an Inconel X750 wire. Device according to one of claims 8 to 15, characterized in that the fixing grooves ( 15 . 16 ) have a triangular cross-section. Device according to one of claims 8 to 16, characterized in that the retaining grooves ( 10 . 11 ) have a rectangular cross-section. Apparatus according to claim 17, characterized in that the rectangular cross-section with a height ( 20 ) according to the outer diameter ( 21 ) of the spring element ( 2 . 3 ) is formed. Apparatus according to claim 17 or 18, characterized in that the rectangular cross section with a depth ( 22 ) smaller than the outer diameter ( 21 ) of the spring element ( 2 . 3 ) is formed. Device according to one of claims 8 to 19, characterized in that the spring element ( 2 . 3 ) at least before connecting bracket ( 1 ) and contact bodies ( 4 ) on a mounting clip ( 23 ) is postponed. Device according to claim 20, characterized in that the mounting clip ( 23 ) comprises a U-shaped bent wire whose leg distance ( 24 ) essentially the distance ( 25 ) of the retaining grooves ( 10 . 11 ) corresponds.