KR20080004622A - Device for connecting cords - Google Patents

Abstract

The invention relates to a device for detachably connecting cords, comprising a cylindrical first retaining element (1) for a first cord and a pin-type second retaining element (2) for a second cord. The second retaining element (2) can be inserted in the first retaining element (1) and can be displaced in an axial direction (A) for connecting and detaching the two retaining elements (1, 2). The second retaining element (2) comprises snap-in elements (30) and actuating elements (35) which, in cooperation with snap-in elements (15) present on the first retaining element (1) and guide elements (20), in a stop position of the second retaining element (2), produce a relative movement of the first and the second retaining element (1, 2) in a plane perpendicular to the axial direction (A) for the purpose of connecting or detaching the cords. The invention is characterized in that the second retaining element (2) is configured as a one-piece component having a first area (3) comprising the snap-in elements (30) and a second area (4) comprising the actuating elements (35).

Description

Device for connecting cords {DEVICE FOR CONNECTING CORDS}

The invention relates to an apparatus for releasably connecting cords having a sleeved first holder member for a first cord and a bolted second holder member for a second cord, wherein the second holder member Can be inserted into the first holder member and is movable in the axial direction for both operations for connecting and releasing the two holder members.

An apparatus of a related kind for releasably connecting cords is known, for example, from DE 197 56 598 A1 of the applicant. The device described in that patent application is provided, in particular, for connecting harness cords and cords of a loom harness of a Jacquard machine. With such jacquard machines, there should be the possibility of connecting the cords together and disconnecting them from each other again in the shortest possible time, so that solutions have been tried to enable the corresponding connection or disconnection in the simplest possible way and with simple operation come. As such, the known solution from DE 197 56 598 A1 offers the possibility of performing connection and disconnection, in particular with only one single operation, ie pressing the two holder members together in the axial direction.

The known solution, for this purpose, interacts with a plurality of guide means in the stationary position of the second holder member for connection or release, resulting in relative movement of the first and second holder members in a plane perpendicular to the axial direction. Has different actuation and latching means. Thus, after the procedure of pressing the two members together, relative rotation of the two holder members is performed about the longitudinal axis, in which the latching between the two holder members is started or released again. By this particular means, relatively simple operation of the connecting device is ensured, in particular, which makes it possible to carry out the connection or disconnection of the cords in an automated manner.

However, a disadvantage of the device known in the prior art for releasably connecting the cords is that the individual members of the device are constructed in a relatively complex manner. In particular, in addition to the first holder member and the second holder member, the so-called displacement part, which interacts in a particular way with the two holder members, in order to start the desired relative movement required for latching or releasing of the latching, A third member in form is also provided. However, through the demand for a third component, the apparatus becomes relatively complicated and, therefore, in its production, is cost-intensive. In addition, the operation of the device becomes more difficult and has more components.

Thus, the present invention is based on the object of showing a new or improved apparatus for releasable connection of cords, with the disadvantages or limitations described in connection with the prior art being avoided.

This object is achieved by an apparatus for releasable connection of cords with the features of claim 1. Advantageous developments of the invention are the subject of the dependent claims.

The solution according to the invention is based on the special configuration of the bolt-shaped second holder member. According to the invention, it is defined that it is configured as a one-piece component, having a first region with so-called acting portions and a second region with so-called latching portions. Here, the two regions are connected to each other. With this configuration of the second holder member according to the invention, there is currently a possibility to proceed without the displacement part still required in the prior art. Instead, all the members or components that cause a special movement with respect to each other between the first and second holder members for latching and releasing are arranged in one of the two holder members. Thus, the device according to the invention for the releasable connection of cords consists exclusively of two separate members or components, which on the one hand bring advantages in production and on the other hand the operation of the device. Brings advantages in

Thus, according to the invention, an apparatus for releasable connection of cords is proposed, having a sleeved first holder member for a first cord and a bolted second holder member for a second cord, wherein the second The holder member can be inserted into the first holder member and is movable in the axial direction for connecting and releasing the two holder members, wherein the second holder member is the second holder for connecting or releasing. In the stationary position of the member, there are actuation and latching portions, which interact with the guides and latching portions of the first holder member, resulting in relative movements of the first and second holder members in a plane perpendicular to the axial direction. . The second holder member according to the invention is configured as a one-piece component having a first region with the latching portions and a second region with the acting portions.

According to a particularly preferred embodiment of the invention, the two regions of the second holder member are arranged in such a way that one is behind the other when viewed in the axial direction. Thus, in accordance with a particularly preferred embodiment of the present invention, both regions of the second holder member are flexibly connected to one another so as to effect the preferred relative rotation of the second holder member relative to the first holder member. It is prescribed. For this purpose, the two regions are connected to each other via a connecting region configured such that relative movement of the two regions is possible in a plane perpendicular to the axial direction. This particular kind of configuration of the second holder member allows the procedures for latching or releasing latches already known in the prior art to be carried out. Currently, latch-in and latch-out movements, snap and rotational movements described below, in that a flexible connection between the two regions of the second holder member is made. Can be performed without using the required third component. Thus, the second holder member can be configured in one piece, among other things, since the possibility of configuring the connection area in a corresponding manner, in which a flexible connection is assured, is available at any time. For this purpose, for example, the connecting area can be dimensioned in an appropriate manner. Another possibility is to use special materials for this connection area with the required flexibility. In this case, for example, the second holder member can be produced by a multicomponent injection molding process. In all cases, the solution according to the invention has obvious advantages over the devices used so far, since only two different components have to be produced and manipulated, which is more economical and simpler.

Other dependent claims relate to different configurations of action, latching and guide parts. They may have specially configured inrun slopes or surfaces, in particular for starting the required movement between the two holder members.

Another development of the invention relates to means for ensuring axial centering of the second holder member when the second holder member is inserted into the first holder member. For this purpose, the first holder member has a base-side depression which interacts with a conical tip of the front end of the second holder member. In this way it is ensured in principle that there are different latching, acting and proper orientation of the guide parts. In addition, it is ensured that different members interact as intended.

1 is a perspective view of a first holder member of the device according to the invention for the releasable connection of cords,

2 is a perspective view of a second holder member of the apparatus according to the invention,

3A and 3B are views illustrating an assembly process of two holder members;

4 is a side cross-sectional view of the sleeve-shaped first holder member,

5 is a view showing guides and latching portions provided in a first holder member,

6A and 6B are cross-sectional views taken along lines I-I and II-II of FIG. 4,

7 is a side view of the bolt-shaped second holder member,

8 is a view showing the acting portion and the latching portion provided on the second holder member,

9A and 9B are cross-sectional views taken along lines III-III and IV-IV of the illustration of FIG.

10 (a) to (h) show the individual steps of latching two holder members together;

11 (a) to (h) are diagrams illustrating the individual steps of releasing the latching of the two holder members,

12A-12C are cross-sectional views of different steps when assembling or disassembling two holder members,

Figure 13 shows a second embodiment of the device according to the invention.

In the following, the invention will be explained in more detail with reference to the accompanying drawings.

First, Figures 1, 2, 3a and 3b show the general configuration of the connecting device according to the invention or the members used for it. Corresponding to the examples, the apparatus has two holder members, which are provided with reference numerals 1 and 2, wherein the first holder member 1 is configured in the form of a sleeve, in contrast to the second holder member. 2 is configured as a bolt. As can be appreciated from the examples of FIGS. 3A and 3B, both holder members 1, 2, in each case, are for fastening one or a plurality of cords to one end region 11, 7. It has a conical taper. Through mutual latching of the two holder members 1, 2, these cords can be connected to one another. This provides, in particular, the possibility of connecting the so-called harness cords of so-called Jacquard machines to one another, an operation that often occurs in maintaining such machines. The possibility of connecting the cords to each other or disconnecting them again in a simple and quick manner, the obvious ease of general operations for maintenance personnel for such a machine is achieved.

The two holder members 1, 2 are configured such that connecting them or achieving release of the members 1, 2 connected to each other can be made in a simple manner. In particular, for connection or disconnection, only one single action is required, ie pressing the two members together in the axial direction. This is achieved through the specific configuration of the two members to be described below.

First, the structure of the first, sleeve-type holder member 1 is described with reference to FIGS. 1 and 4-6.

As can be appreciated from the cross-sectional view of FIG. 4, the first holder member 1 has a cylindrical cavity 12 of a predetermined length or more, which is provided for receiving the second, bolted holder member 2. This cylindrical cavity 12, in its end region, transitions to a slightly narrower dimensioned cavity 13, towards the conical end 11, where the transition is the base side of the cavity 12. Is achieved by the conical portion 13a adjacent to and. As described below, through this configuration, the second holder member 2 in the first holder member 1 may interact with the centering part of the second holder member 2. The axial centering is achieved.

The latching or release of latching between the two holder members 1, 2 is achieved in particular by a guide and latching parts arranged inside the cylindrical cavity 12. Thus, the first latching portions 15 are arranged in the inlet region of the sleeve, while in contrast, the guide portions 20 are arranged in the base region of the cavity 12. Both configurations of the latching portions 15 and also of the guide portions 20 can be understood in particular from the example of FIG. 5 and the two cross-sectional views of FIGS. 6A and 6B.

Overall, in each case, four latching parts 15 and four guide parts 20 are provided, which are arranged distributed around the inside of the sleeve. What is important here is that in each case, the latching portion 15 is precisely arranged above the guide portion 20.

Both the latchings 15 and the guides 20 are formed by pins protruding from the wall of the sleeve 1 into the interior 12, these pins on their upper ends, on the sides of the longitudinal central axis, For example, at an angle of approximately 45 °, it has two falling guide surfaces 16a, 16b, or 20a, 20b. In addition to this, below the latching portions 15, other guide surfaces 17 are formed, which in turn extend in a plane oblique to the axial direction of the latching portions 15.

The configuration of the second holder member 2 can in particular be understood from the examples of FIGS. 2 and 7-9.

As already mentioned, this is in the form of a bolt that can be inserted into the cavity 12 of the first holder member 1. The second holder member 2 has, at its front tip, a conical taper 5 which comes into contact with the conical region 13a of the first holder member 1 when the bolt is inserted into the sleeve. This induces self centring of the second holder member 2 in the first holder member 1.

The latching and releasing of the two holder members 1, 2 is located in the second holder member, which interacts with the guide portions 20 and the latching portions 15 of the first holder member 1 in a particular way. It is made by the latching parts 30 and the working parts 35 to. The particular configuration of the latching parts 30 and the acting parts 35 can in particular be understood from the examples of FIGS. 8, 9A and 9B.

According to these examples, the latching parts 30, in each case, on their lower side, are connected to each other via short guides 33 which extend in the axial oblique direction of the holder member 2. 31 and the long side 32. In each case, the latching groove 30a opened upwardly between the two sides 31, 32 having bevels 31a, 32a running parallel to the guide surface 33 at their upper ends. Is formed. As understood from FIG. 9A, four latching portions 30 are arranged distributed outside the second holder member 2.

Under the latching parts 30, acting parts 35 sequentially arranged as pins protruding to the outside are disposed. On their lower side, the acting portions 35 in each case have two guide surfaces 35a, 35b which are inclined in the longitudinal central axis direction at the side, and on their upper side, A single guide face 36 is provided that is inclined in an oblique order. According to the examples of FIGS. 8, 9A, and 9B, eight acting portions 35 are arranged on the periphery of the second holder member 2, where the guides and latching portions of the first holder member are located. In contrast to (15, 20), these acting portions are arranged not offset below the sides 31, 32 of the latching portions 30 but slightly offset from them.

However, a particularly important feature of the second holder member 2 is that the arrangement of the latch portions 30 and the acting portions 35 with respect to each other is not completely fixed, but instead has at least some flexibility. As can be understood in the example of FIG. 7, the second holder member 2 is separated into two regions 3, 4, where the latching portions 30 are the first region 3. And the acting portions 35 are arranged in the second region 4. The two regions 3, 4 are connected to each other by a connecting region 6, where the connecting region 6 Is configured such that the relative movement of the two regions 3, 4 is possible in a plane perpendicular to the axial direction, which can be achieved, for example, by a corresponding design for the connecting region 6. However, alternatively to this, it would also be possible to use a flexible material for this connection area 6. Rather, the second holder member 2 consists of a one-piece, which can be achieved, for example, in that it is produced by a so-called multicomponent injection molding process, in which a more flexible material is used in the transition zone 6. ) Is selected for the formation.

The interaction of the guides, acts, and latching parts 15, 20, 30, 35 for connecting or disconnecting the two holder members 1, 2 with each other is shown in FIGS. 10 (a)-(h) or 11 (a)-(h). 10 (a)-(h) show the individual steps of the connection of different parts to one another during the latching operation, while in contrast, FIGS. 11 (a)-(h) show that latching is released Shows the individual steps as they occur. In this regard, the dimensions of the holder members 1, 2, and the guide, actuation, and latching portions 15, 20, 30 may allow the cavity 12 to fully receive the second holder member. It should be noted that what is chosen to be. However, as can be seen from the cross section, there is an overlap of the guide and latching portions 15, 20 projecting inward and the latching and acting portions 30, 35 projecting outward. This allows different members to interact as described below.

In the following, with reference to Figs. 10 (a)-(h), first, the latching of the apparatus according to the present invention will be described.

Thus, FIG. 10 (a) shows that in the initial stage of latching, the latching and guide portions of the first holder member 1 with respect to the latching and acting portions 30, 35 of the second holder member 2. 15, 20) is shown. The second holder member 2 is already inserted into the first holder member 1 such that the acting portions 35 are supported by the guide portions 20 together with their lower ends. have. The corresponding orientation of the acting portions towards the guide portions 20 is such that the latching portions 30 of the second holder member 2 are guided in a defined arrangement through these free spaces. In this respect, the gap between the latching portions 15 of the member 10 is dimensioned. This results in the guide and the guide surfaces 20a and 35a of the acting portions 20 and 35 being supported by each other.

If the two holder members 1, 2 are pushed further against each other, as indicated symbolically by the arrows, this is achieved from the examples of FIG. 10 (b) by the guide surfaces 20a, 35a. As can be appreciated, it causes the fact that the acting portions 35 are deflected to one side (in the examples, to the left). This deflection is effective until the guide portion 20 protrudes into the gap between two neighboring acting portions 35. Importantly here, initially, only the acting portions 35 are deflected to one side, but the latching portions 30 of the second holder member 2 are latched portions together with their sides 31, 32 as they were before. Since it is supported by (15), it is not biased. The deflection of the acting parts 35 alone is made possible by the flexible connection 6 between the two regions 3, 4 of the second holder member 2, as already explained.

The second holder member 2 is pressed downward to the extent that the latching portions 30 are completely positioned below the latching portions 15, as shown in FIG. 12C or FIG. 12B corresponding to this situation. Only when losing, the latching parts 30 can also perform lateral deflection due to the mechanical stress generated in the transition region 6 by the previous relative rotation of the two regions 3, 4, This results in an arrangement according to FIG. 10 (d).

At this point, the two holder members 1, 2 are in the stationary position and are no longer pushed against each other. Instead, they are drawn from each other for a while. Through this, Figure 10 As shown in (e), the upper guide surfaces 31a of the sides 31 of the latching portions 30 are first opposed to the lower guide surfaces 17 of the latching portions 15. Supported. This is because of these guide surfaces, the latching parts 30 are deflected laterally (in the examples to the left again), so that the latching parts 15 of the first holder member 1 are formed by the second holder member ( This results in being able to be combined with the latching groove 30a of the latching portions 30 of 2). Thus, for the first time now, the latching parts 30 are deflected laterally, whereby the acting parts 35 perform this deflection as soon as they are completely positioned above the guide parts 20. Finally, this results in the latching parts 15, 30 being fully engaged with each other, as shown in FIG. 10 (h) or 12 c. Thereby, they are latched together by pressing the two holder members 1, 2 briefly on each other and then pulling them apart from each other.

In order to release the latching, substantially the same movement is performed. Initially, in accordance with the examples of FIGS. 11 (a) -11 (d), the two holder members 1 and 2 are pushed against each other up to the stop position, whereby the latching, acting and guide parts ( Due to the orientation of 15, 20, 30, 35, again for the first time the acting portions 35 are deflected laterally (Figs. 11 (a) and 11 (b)), the latching portions 35 are As released from engagement with the latching parts 15-they likewise perform this movement (Figs. 11 (c) and 11 (d)). Here, the example of FIG. 12A corresponds to the initial stage of the latching release according to FIG. 11A.

If the two holder members 1, 2 are pulled apart from each other, the latching portions 30 are deflected by the guide surfaces 17, 32a of the latching portions 15, 30, so that they latch It is completely out of engagement with the parts 15 and moved into the gaps between the latching parts 15. This lateral deflection also continues afterwards until the arrangement according to FIG. 11 (h) corresponding to the initial position of FIG. 10 (a) is finally achieved by the acting portions 35. Here, the different parts of the holder members 1, 2 are completely out of engagement, so that the two holder members 1, 2 can now be released from each other.

Overall, the latching or releasing of the latching of the two holder members 1, 2 can always be achieved by the same kind of operation, ie by pushing the two parts against each other and then pulling them apart apart. In addition, both latching and latching release operations are made in the context of a snap and rotational operation, which leads to a simplification in the operation of the device according to the invention. In addition, it is particularly important that only the axial action of the two holder members is required, so that latching or release of latching can also be automated or performed mechanically.

A particular advantage of the device according to the invention is that the device consists exclusively of two members which must move relative to each other. This is made possible by the action of the second holder member and the flexible arrangement of the latching portions relative to each other, as described above, which allows for relative movement with respect to each other which is required for latching and releasing of the different members. As a whole, the fact that the device consists of only two separate members brings additional advantages in operating the device. In particular, the action of only two components is considerably simpler to realize in an automated manner than was possible in the prior art in which the three components are handled. The production of a complete device is also simplified by reducing the number of components produced.

Finally, an alternative embodiment of the device according to the invention is shown in FIG. 13. In this case, the first holder member 101 has a hook 102 on its lower side, which can be used for hanging a plurality of cords, for example. This hook 102 can optionally be opened or closed so that, for example, additional harness cords can be hooked in a simple manner. However, the holder members 2, 101 are already reconfigured in the manner described above. In particular, they in turn have specially configured guides, acts, and latches, wherein the acts and latches of the second holder member are arranged in two different regions which are connected to each other in a flexible manner.

Claims (10)

In a device for releasable connection of cords, having a sleeved first holder member 1 for a first cord and a bolted second holder member 2 for a second cord, The second holder member 2, It can be inserted into the first holder member 1, it is movable in the axial direction (A) for the connection and disconnection of the two holder members (1, 2), The second holder member 2, On the plane perpendicular to the axial direction A, in interaction with the latching portions 15 and the guide portions 20 positioned in the first holder member 1 at the stop position of the second holder member 2. And latching portions 30 and acting portions 35 resulting in relative movement of the first and second holder members 1, 2 for connection and release, The second holder member 2, Cord, characterized in that it consists of a one-piece configuration with a first region 3 with the latching parts 30 and a second region 4 with the acting parts 35. Device for releasable connection. The method of claim 1, The two regions (3, 4) of the second holder member (2) are characterized in that they are arranged such that one is located behind the other in the axial direction (A). The method of claim 2, The device for releasable connection of cords, characterized in that the two regions (3, 4) of the second holder member (2) are flexibly connected to one another. The method of claim 2, The two regions 3, 4 of the second holder member 2 are connected regions 6 configured such that relative movement of the two regions 3, 4 is possible in a plane perpendicular to the axial direction A. FIG. Device for releasable connection of cords, characterized in that they are connected to one another. The method of claim 4, wherein The connecting area (6) of the second holder member (2) is characterized in that it is made of a material different from the remaining areas (3, 4). The method of claim 5, The device for releasable connection of cords, characterized in that the second holder member (2) is produced in a multicomponent injection molding process. The method according to any one of claims 1 to 6, The first holder member 1 has a base-side recess 13, At the front end of the second holder member 2, a conical tip 5 for axial centering of the second holder member 2 in the first holder member 1 is arranged. Device for releasable connection of cords. The method according to any one of claims 1 to 7, At least one of the two holder members (1, 2) is characterized in that a hook (102) is arranged for the locking of the cords to be connected. The method according to any one of claims 1 to 8, The latching portions 15, 30 of the two holder members 1, 2 are protruded, respectively, and are releasable from each other at a connecting position of the holder members 1, 2. Device for connection. The method according to any one of claims 1 to 9, The device has a substantially rounded cross section so that the relative movement between the two holder members 1, 2 in the axial direction A is substantially a rotational movement. Device for.

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