Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
  • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
  • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
  • B23Q3/10—Auxiliary devices, e.g. bolsters, extension members
  • B23Q3/102—Auxiliary devices, e.g. bolsters, extension members for fixing elements in slots
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
  • G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
  • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
  • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
  • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
  • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
  • G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
  • G09B23/185—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits for building block systems
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
  • G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
  • G09B25/025—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery hydraulic; pneumatic

Definitions

• the invention relates to a functional element which can be used for demonstration and / or training purposes, which can be detachably fixed to the mounting surface of a particularly plate-like support part and for this purpose has a fastening device which can be brought into engagement with the support part.
• a plate-like support part which has a plurality of holes arranged in a grid, into which the individual functional elements can be inserted.
• Each functional element contains pneumatic, hydraulic, electrical or electronic equipment, for example valves, working cylinders, pressure gauges, connecting pieces for electrical or pneumatic lines, electronic control, etc.
• the functional elements can be assembled according to a circuit diagram and then fluidically and / or in the required manner be electrically linked together.
• Functional elements can only be installed in very specific positions, so that there are often gaps and especially the construction of complex circuits requires a large mounting area.
• a plurality of plug pins are also provided on the respective functional element, the arrangement of which must be exactly matched to the grid dimension, so that compatibility with supporting parts of different grid dimensions is not ensured.
• the majority of plug pins per functional element ultimately require a certain amount of attention when being mounted on the supporting part in order to rule out canting and thereby possibly caused damage to the plug pins. If the functional elements are exposed to dynamic loads during operation, for example in the case of pulsating pressurization, the case may moreover occur that the plug connections loosen at least slightly.
• the fastening device for fastening the functional element to a supporting part having at least one groove-like fastening recess is designed as a clamping device which can be activated by turning an actuating element and which has a clamping element which is in threaded connection with the actuating element and which has a the underside of the functional element protruding clamping head, which can be inserted into and removed from a mounting recess of the support part substantially at right angles to the mounting surface when taking a release position, and which, when inserted into the mounting recess, between the release position and a lock ⁇ position is rotatable, wherein it engages behind at least one retaining projection of the fastening recess in the locked position, so that its removal from the fastening recess is prevented by positive locking, and w at least there is a rotation limiting means which prevents the clamping head inserted into the fastening recess from rotating from the release position beyond the blocking position, and furthermore that the clamping head is rotate
• the functional element is now designed in such a way that it can be releasably attached to a support part equipped with at least one groove-like fastening recess.
• Supporting parts of this type are known as such, for example from DE-OS 40 10 840. It can be an extruded, plate-like component which is equipped with a plurality of linear, parallel and spaced-apart fastening depressions, the functional element being the same can be releasably anchored in any of the existing fastening recesses.
• a clamping device is provided as the fastening device of the functional element according to the invention, which has a downwardly projecting clamping element which engages in the selected fastening recess when the functional element is in the assembly position. In its locked position, the clamping element engages behind a retaining projection with a clamping head
• a so-called hammer screw which is commercially available, is expediently provided as the tensioning element. Your head then forms the clamping head.
• the functional element is equipped with at least one centering element which, in the assembled position, plunges into the associated fastening recess and contributes to the exact positioning of the functional element with respect to the supporting part.
• FIG. 2 shows an exploded perspective view of a preferred embodiment of the functional element tes and a section of the associated Trag ⁇ part, wherein the clamping head of the clamping element assumes a position corresponding to the release position and wherein the individual components are reproduced in a greatly simplified manner, and
• FIG. 3 shows a cross section through the functional element from FIG. 2 according to section line III-III in the assembly position of the functional element attached to the supporting part, the clamping head assuming a blocking position preventing the lifting from the supporting part.
• a preferably plate-like supporting part 1 the larger plate area of which forms an essentially flat mounting surface 2.
• a plurality of groove-like fastening recesses 3 are formed in the supporting part 1, which preferably have a linear extension and which are arranged parallel to one another at a distance.
• the fastening recesses 3 are open on the longitudinal side toward the mounting surface 2. They preferably also open out on two mutually opposite end faces of the supporting part 1, so that the latter can be an extruded profile part.
• Functional elements 5 can be attached to the mounting surface 2 and can be releasably anchored in one or more fastening recesses 3 by means of a fastening device 6 illustrated in more detail in FIGS. 2 and 3.
• the functional elements 5 are equipped with functional units 7, not shown in detail, which are in particular pneumatic and // or hydraulic and / or electrical and / or electronic and / or optical. It can be, for example, individual arrangements or combinations of valves, working cylinders, electronic controls, pressure gauges, connecting pieces for electrical or fluid lines, etc.
• the functional elements 5 installed on the mounting surface 2 can be linked to one another in a manner not shown, so that Circuit diagrams can be replicated to provide practical communication assistance for training purposes. You can also set up small machines or systems in order to obtain the best possible assignment or link before you actually design a corresponding system.
• the arrangement of the functional elements 5 on the support part 1 is extremely flexible, since they can be detachably arranged anywhere along the fastening recesses 3. So you are not limited to certain grid dimensions.
• the fastening device 6 is a clamping device 8, which can be activated by rotating an actuating element 12.
• the preferred construction of such a tensioning device 8 is shown in FIGS. 2 and 3.
• the functional element 5 shown has a base body 13 which carries the functional unit 7 mentioned.
• the latter can in particular be interchangeably arranged on the base body 13.
• the tensioning device 8 is carried by the base body 13 and is preferably located in the area of a plate-shaped section 14 thereof. All components of the tensioning device 8 are therefore always arranged on the functional element 5, so that they are immediately available if required. A separation of individual components of the clamping device 8 from the functional element 5 during its assembly or disassembly on or from the supporting part 1 is therefore not necessary.
• the actuating element 12 is designed as a turned part, which is rotatably arranged on the upper side of the base body 13.
• the axis of rotation 15 expediently runs parallel to the vertical axis of the functional element 5 and, seen in the assembly position, at right angles to the assembly surface 2.
• the actuating element 12 preferably has a disk-shaped shape, the longitudinal axis of which coincides with the axis of rotation 15.
• a plurality of handling elevations 16, which are distributed in the circumferential direction and provided by intermediate rooms are separated from each other. They are ideal for the attack of the human hand in order to cause rotation.
• the gaps enable a lever-shaped lever, in particular, to be attached when high torques are required.
• a clamping element 17 is provided as a further component of the clamping device 8. It is located in the area of the underside of the base body 13 and is in threaded connection with the actuating element 12. At its downwardly projecting end there is provided a clamping head 18 which, in the event of a relative rotation between the actuating element 12 and the clamping element 17 made possible by the threaded connection, is displaced in the height direction, so that the distance between it and Base body 13 changed. The actuating element 12 cannot be adjusted in the height direction with respect to the base body 13.
• the clamping element 17 has a preferably shaft-shaped first threaded section 22 which projects upwards and is in engagement with a second threaded section 23 provided on the actuating element 12.
• the second threaded section 23 is an internal thread into which the first threaded section 22 formed as an external thread is screwed, the common longitudinal axis 24 of the threaded sections 22, 23 coinciding with the axis of rotation 15 of the actuating element 12.
• the connection between the actuating element 12 and the tensioning element 17 is made possible by a coaxially arranged opening 25 in the base body 13.
• the clamping head 18 In the mounting position of the functional element 5 fixed on the support part 1, the clamping head 18 is anchored in the associated fastening recess 3.
• Their longitudinal opening facing the mounting surface 2 is formed by a neck section 26 which is narrower in the transverse direction 27 than a fastening section 32 which adjoins the groove base in the vertical and vertical directions 28 and is lower than the neck section 26.
• it lies in the transition area between the neck cut 26 and the fastening section 32 at least one holding projection 33, the exemplary embodiment, because of the symmetrical arrangement of the neck section 26 and fastening section 32, being two such holding projections 32 which lie in the region of the two recess flanks and are uninterrupted Extend over the entire length of the respective fastening recess 3.
• the collet 18 is so designed that it in a certain rotational position shown in Figure 2 - hereinafter referred to as Release 1
• the clamping head 18 has, for example, a transverse extent which is less than the depression width in the neck section 26, so that the clamping head 18 fits through the neck section 26 in the release position.
• At least one anchoring protrusion 34 of the clamping head 8 extends at right angles to the transverse extension and is aligned radially with respect to the longitudinal axis 24.
• the anchoring projection 34 points in the longitudinal direction 35 of the associated fastening recess 3.
• the clamping head 18 of the exemplary embodiment has two such anchoring projections 34, which are diametrically opposed to one another with respect to the longitudinal axis 24. In the locked position according to FIG. 3, the anchoring projections 34 come to lie below each of the holding projections 33.
• the on the clamping head 18th region of the tensioning element 17 which adjoins upwards and forms the first threaded section 22 is at least along a length measured along the thickness of the holding projections 33 measured in the height and depth directions 28 and preferably over its entire length so that it fits easily through the neck section 26 .
• the thread engagement between the clamping element 17 and the actuating element 12 is selected in the exemplary embodiment in such a way that direct rotational driving between the two parts is ensured as long as the clamping element 17 is not prevented from rotating by external means. This is achieved by a sufficiently high thread friction in the area of the engaged thread sections 22, 23.
• various methods are available, for example a different choice of material, different pitches, different thread depths, etc.
• One could also use a ge Provide a suitable inhibiting layer on at least one of the threaded sections 22, 23.
• tel 36 is arranged, which blocks the clamping head 18 in cooperation with the support member 1 in the locked position against further rotation.
• the rotation limiting means 36 works together with the recess flank in the neck section 26. It is designed as a radially outward projection of the tensioning element, which in the release position lies in the area between the two depression flanks in the neck section 26 and runs onto the depression flank when the locking position is reached.
• the clamping head 18 is adjoined by an annular collar arranged coaxially to the longitudinal axis 24, the outer diameter of which corresponds approximately to the width of the neck portion 26 and which is widened by at least one projection which forms a rotation limiting means 36 det.
• two such rotation limiting means 36 are provided diametrically opposite one another. Hammer screws, such as those used in the exemplary embodiment as a clamping element 17, already regularly have an appropriately designed ring collar, so that when they are used as a clamping element 17 no special adaptation work is required, which keeps the production costs low.
• the clamping head 18 rotated into the locked position initially assumes a release position in which its anchoring projections 34 come to lie at a distance below the holding projections 33 or only lightly touch the same.
• the actuating element 12 is rotated further in the same direction - hereinafter referred to as rotation in the clamping direction - the thread inhibition is overcome and the second threaded section 23 of the actuating element 12 is rotated relative to the stationary first threaded section 22 of the clamping element 17.
• This leads to the fact that the clamping head 18 is moved in the direction of the longitudinal axis 24 towards the actuating element 12, since the first threaded section 22 screws into the second threaded section 23.
• the clamping head 18 moves with the holding projections 33 upwards in the direction of the holding projections 33 and is pressed against it, at the same time the base body 13 is clamped against the mounting surface 2.
• a more or less large clamping force is established.
• the rotational position of the clamping head 18 has no longer changed; it now only assumes a clamping position that is preloaded against the holding projections 33.
• the functional element 5 is now securely clamped onto the supporting part 1 and is held reliably even when it is subjected to dynamic stress.
• the actuating element 12 is turned back against the clamping direction in the release direction, so that the clamping head 18 is displaced in the direction of the longitudinal axis 24 into the release position.
• the clamping head 18 is also prevented from rotating by the initial frictional connection between the clamping head 18 and the retaining projections 33.
• An additional positive connection can also be effective here, in that the upper side of the anchoring projections 34 facing the retaining projections 33 is equipped with one or more elevations which were pressed into the holding projections 33 in the tensioned position.
• the functional element 5 can be removed from the supporting part 1. It is expedient if a rotation limiting means 36 is also provided, which prevents the clamping head 18 from rotating further from the locked position beyond the release position. This makes handling even easier.
• the functional element 5 of the exemplary embodiment is provided with two centering elements 37, in order to enable an exact alignment with respect to the supporting part 1, which protrude into the assigned fastening recess 3 in the assembly position. They are located on the underside of the base body 13, from which they project downwards. In relation to the longitudinal axis 24, they lie radially outside of the clamping element 17, a line connecting them meeting the longitudinal axis 24. This results in an arrangement of the centering elements 37 and the clamping head 18 that is diametrically aligned with respect to the longitudinal axis 24. It is thus ensured that all these parts can immerse in the same fastening recess 3 in the assembly position at the same time.
• the transverse dimensions of the centering elements 37 correspond approximately to the width of the neck section 26, so that they are received in the transverse direction 27 with the least possible play or even without play.
• a single centering element 37 would suffice. Especially with larger functional elements 5, however, a multiple arrangement is recommended, with at least two centering elements 37 being arranged so that the clamping head 18 lies between you. In the exemplary embodiment, this is the case. There is also the possibility of varying the position of the centering elements 37 with respect to the base body 13 in order to specify different orientations of the functional element 5 for the mounting position.
• the centering elements 37 can be adjusted in the circumferential direction with respect to the longitudinal axis 24.
• they are arranged on a perforated turntable 38 which is rotatably attached to the underside of the base body 13 in such a way that its longitudinal axis coincides with the longitudinal axis 24.
• the central hole 39 allows the clamping element 17 to pass through.
• the centering elements 37 are fastened diametrically opposite one another, in particular in one piece, to the turntable 38.
• the orientation with respect to the base body 13 can be changed by twisting. It is advantageous if at least two rotational positions of the turntable 38 can be releasably locked with respect to the base body 13.
• the centering elements 37 are in alignment with a longitudinally oriented axis of the functional element 5, in the transverse position, on the other hand, in alignment with a transverse axis.
• a resiliently biased index body 40 can be provided, which is also rotatably fixed on the turntable 38, and index indentations 43 are formed on the base body 13 in the movement path of the index body 40, into which the index body 40 in the relevant rotational positions the turntable 38 is pressed in resiliently.
• the index body can of course also be arranged on the base body 13, the index depressions 43 being located on the turntable 38.
• the turntable 38 is held on the base body 13 in a particularly simple manner.
• Actuating element 12 is used as the holding means, which is equipped with holding arms 44 which project downwards and which penetrate through openings 25 in the edge region downwards. These holding arms 44 also engage in the hole 39 of the turntable 38 and engage behind the hole edge on the underside with holding lugs 45 projecting radially outward.
• a latching connection is expediently present between the holding lugs 45 and the turntable 38.
• the locking device of the turntable 38 and the holding arms 44 are coordinated with one another in such a way that the actuating element 12 can be rotated without hindrance without taking the turntable 38 with it.
• the functions of the actuating element 12 and the turntable 38 are therefore completely independent of one another.
• the hub 38 is preferably countersunk in a downwardly open recess 46 comes to rest body 13 of the Grund ⁇ , so that only the Zentrierele- elements' 37 projecting downward.
• a functional element 5 it is entirely possible to equip a functional element 5 with a plurality of clamping devices of the type previously described, which work independently of one another. This is particularly useful if, due to the size of the functional element 5, simultaneous anchoring in several fastening recesses 3 makes sense.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Business, Economics & Management (AREA)
• Educational Administration (AREA)
• Educational Technology (AREA)
• Theoretical Computer Science (AREA)
• Computational Mathematics (AREA)
• Algebra (AREA)
• Mathematical Analysis (AREA)
• Mathematical Optimization (AREA)
• Mathematical Physics (AREA)
• Pure & Applied Mathematics (AREA)
• Mechanical Engineering (AREA)
• Clamps And Clips (AREA)
• Pivots And Pivotal Connections (AREA)
• Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
• Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6889590

Family Applications (1)

Country Status (8)

Cited By (1)

Families Citing this family (31)

Citations (4)

Family Cites Families (12)

• 1993
  • 1993-02-18 DE DE9302385U patent/DE9302385U1/de not_active Expired - Lifetime
• 1994
  • 1994-01-20 JP JP6518587A patent/JP2825978B2/ja not_active Expired - Lifetime
  • 1994-01-20 WO PCT/EP1994/000131 patent/WO1994019787A1/de active IP Right Grant
  • 1994-01-20 KR KR1019950703475A patent/KR100264098B1/ko not_active IP Right Cessation
  • 1994-01-20 DE DE59400743T patent/DE59400743D1/de not_active Expired - Lifetime
  • 1994-01-20 US US08/505,316 patent/US5794901A/en not_active Expired - Lifetime
  • 1994-01-20 ES ES94905093T patent/ES2092398T3/es not_active Expired - Fee Related
  • 1994-01-20 BR BR9405835A patent/BR9405835A/pt not_active IP Right Cessation
  • 1994-01-20 EP EP94905093A patent/EP0685098B1/de not_active Expired - Lifetime

Patent Citations (4)

Non-Patent Citations (1)

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