EP3548754A1

EP3548754A1 - Securing element

Info

Publication number: EP3548754A1
Application number: EP17840423.2A
Authority: EP
Inventors: Alexander GENG; Josef HOFSTÄTTER
Original assignee: Patchbox GmbH
Current assignee: Patchbox GmbH
Priority date: 2016-12-05
Filing date: 2017-12-05
Publication date: 2019-10-09
Also published as: US20190390701A1; AT519241B1; CN110234894B; AT519241A4; CN110234894A; WO2018102838A1

Abstract

A securing element (1) comprises a first plate (2) with at least two pin-shaped connection elements (3), which extend from the first plate (2), and a second plate (4) with at least one recess (5), in particular two recesses for the pin-shaped connection elements (3). The at least one recess (5) is shaped such that the connection elements (3) can be introduced into the at least one recess (5), and the pin-shaped connection elements (3) have stop elements (6) which are rigidly arranged on the connection elements in particular and are effective in the longitudinal direction of the connection elements (3) and with which the two plates (4) can be brought into contact when the connection elements (3) pass through the recess (5) of the second plate (4).

Description

fastener

The invention relates to a fastener and the use of a fastener for attaching a mounting bracket of a hardware component to a

Row of holes of a rack (racks).

In information and network technology, a variety of hardware components and computers within a

Rack (racks) mounted. In data center operation, but also in the event, laboratory and control technology, the term rack stands for a rack for electrical appliances with a standardized width of e.g. 19 inches, where the individual devices (so-called hardware components), which can be mounted in the rack, a corresponding

Front panel width of e.g. exactly 48.26 cm (19 "). The hardware components are attached with four each

Screws (2 screws on the right and 2 screws on the left) in the rows of holes vertical bracket near the front edges of the rack.

In general, hardware components by means of so-called.

Cage nuts (box nuts) and screws to the

Attached rows of holes of the frame. Cage nuts are usually square-shaped nuts, in a likewise square cage made of sheet metal

are caught. By means of the cage, the nut can be attached to a metal sheet, so that even on thin sheets, in which no thread can be cut, a nut thread can be provided. The cage of the mother is in a usually also square hole in the

Hole row inserted. By trained in the mounting bracket of the hardware component to be mounted in the rack Holes are subsequently inserted into screws and screwed into the cage nuts in the rows of racks of the rack, securing the hardware component to the row of holes in the rack. The mother's cage can also be provided with lugs that can snap into the square hole in the row of holes of the rack, so that the cage with its mother does not need to be held separately during the Monday. For this purpose, the cage nut must be compressed and inserted in the compressed state in the hole of the row of holes, whereupon the

Cage nut can be released and thereby locks in the hole of the row of holes.

Cage nut mounting is small in size and does not provide any support or guidance to the hardware component to be mounted before the hardware component is fastened using the screws. Furthermore, at least two persons are needed for mounting hardware components by means of cage nuts and screws. A person holding the hardware component in the correct position before fixation, and a second person fixing the held-in hardware component with screws. In addition to the increased staffing requirements, the cage nuts store the

Inserting into the row of holes also a high

Injury potential, as these have sharp edges and the fitter can easily cut when inserting or squeezing the cage nuts. In addition to the screwdriver necessary for fastening the screws also often additional tool is required to the

Insert the cage nut into the hole in the hole row of the frame. The present invention aims to avoid the aforementioned disadvantages.

To solve this problem, the fastening element according to the invention comprises a first plate with at least two outgoing from the first plate bolt-shaped

Connecting elements and a second plate having at least one recess, in particular two recesses for the bolt-shaped connecting elements, wherein the at least one recess is formed such that the

Connecting elements in the at least one recess are insertable, and wherein the bolt-shaped

Connecting elements in particular rigidly to these

arranged, effective in the longitudinal direction of the connecting elements stop elements against which the second plate can be brought into abutment when the

Connecting elements pass through the recess of the second plate.

The fastener of the invention ensures a tool-free, time-saving, effective and safe installation of hardware components to be installed in a rack with low personnel costs. The inventive

Training allows the leadership and a temporary hold of hardware components to be installed before they are fixed in their final position, since the fasteners of the fastener project from the perforated strips of the frame and the holes of the mounting bracket of the hardware component to be mounted must therefore be plugged only on the fasteners to

Position to be held. On the presence of a second person, the hardware component during the

Mounting holds in position, can therefore be dispensed with. Furthermore, an inventive fastener on both sides of the rack is sufficient to a

Assemble hardware component, since by the at least two bolt-shaped connecting elements of the

Fastener both holes (each right and left of the rack) to which the hardware component is to be attached, are penetrated simultaneously.

Instead of two recesses in the second plate and a single slot is conceivable.

The distance between the bolt-shaped

Connecting elements corresponds to the distance between the two separate recesses or the elongated

Extension of the single recess of the second plate, so that the bolt-shaped connecting elements the

Recesses can enforce simultaneously.

The stop elements serve in cooperation with the voltage applied to these second plate to the

Fastener already before screwing the

Temporarily to hold fastening nuts on the row of holes, wherein the row of holes between the first plate and the second plate is arranged at a close distance or

is clamped.

The fastening element according to the invention is preferably further developed such that the at least one recess is open towards the edge of the second plate, so that the

Connecting elements are transversely inserted to the bolt longitudinal direction in the at least one recess. Alternatively, the fastening element according to the invention is further developed such that the at least one recess as a closed opening, preferably as

keyhole-like or pear-shaped opening is formed so that the connecting elements in the bolt longitudinal direction in the at least one recess can be inserted.

The fastening element according to the invention is preferably further developed such that the stop elements are each formed by a resulting from a cross-sectional change of the connecting element stage.

Advantageously, the inventive

Fastening element further developed such that the stop elements are each formed by an annular thickening of the respective connecting element.

In particular, the fastening element according to the invention can be further developed such that the stop elements are each formed by an annular end face of the connecting element formed by a cross-sectional reduction.

The stop elements provide for holding the second plate in the desired position. The recess (s) of the second plate is placed on the connecting elements of the first plate, wherein the second plate abuts against the stop elements and is held thereby defining a gap between the first and the second plate in which the row of holes is arranged , If the connectors are loaded by the weight of the hardware component when the hardware component is inserted, In addition, a clamping effect is generated, which the

Retention still reinforced.

The fastening element according to the invention is preferably further developed such that the connecting elements are arranged at a distance from a height unit.

One height unit (HE) is one for frame racks

Unit of measurement used to describe the height of the

to be installed hardware component. Hardware components with one height unit are referred to as "1HE", devices with two height units as "2HE", and so on. 1H inches, ie 44.45 mm. Unit enclosures sized to height units are designed for installation in standard (eg.19 ") racks The typical height of a rack is 42U.

Due to the preferred distance of the connecting elements of a HE, a fastener on both sides of the rack is sufficient to install an IHE hardware component, as through the at least two bolt-shaped fasteners of the fastener both holes (each right and left of the rack) to which the

Hardware component is to attach at the same time

to be interspersed.

Also conceivable would be fasteners with 4, 6, 8 (or a multiple of 2) connecting elements, each corresponding to a plurality of height units of the perforated strip of the rack, which would make it possible with only one

Fastening fasten several hardware components in the rack. Advantageously, the fastening element according to the invention is further developed such that the connecting elements have a first free end and the stop element between the first free end and the first plate is arranged.

By such a design ensures that when screwing the fastening nuts on the free end of the connecting elements, the fastening nuts against the mounting bracket, the mounting bracket against the second plate and the second plate is pressed against the row of holes, whereby all elements, namely the

Mounting bracket, the second plate, the row of holes and the first plate are clamped together.

The fastening element according to the invention may alternatively be further developed such that the

Connecting elements have a first and a second free end and the stop elements are arranged on the second free end or between the second free end and the first plate.

The fastening element according to the invention is preferably further developed such that the connecting elements have a thread.

Threads attached to the fasteners are particular to the final fixation of the hardware component

advantageous because complementary to the thread

Fixing nuts for fixing the

Hardware component can be used, which further simplifies assembly. In vorteilha ter fastener of the invention is further developed to the effect that the first thread of the thread as a stop element

is trained. The double function of the thread - namely for mounting the fastening nuts and as

Stop element - allows for the additional

Training to dispense with a separate stop element.

In addition, it may be preferred that further

Nuts, in particular cap nuts are screwed onto the free end of the thread.

The use of cap nuts still allows one

more effective tool-free installation, since compared to mounting with screws according to the prior art no screwdriver is needed to tighten the screw, but the cap nut can be screwed by hand only.

Furthermore, it would be conceivable to equip the cap nut with a corrugated outside in order to increase the grip and thereby facilitate the assembly further.

The fastening element according to the invention is preferably further developed such that the first plate and the second plate are integrally formed with each other.

The one-piece design of the fastener

allows even easier handling, because instead of two separate parts only a part is necessary to fix a hardware components to be installed in a rack. The one-piece training, for example, by achieved that the first and the second plate are hinged together via an angled web.

A second aspect of the invention relates to the use of the fastening element according to the invention for fastening a fastening angle of a hardware component to a row of holes of a rack.

The inventive use of the fastener allows a tool-free, time-saving, effective and safe installation of hardware components to be installed in a rack with low personnel costs.

Advantageously, the use of the invention is further developed such that the connecting elements are inserted with its free end in front, including the stop elements from behind through the holes of the row of holes and the second plate in between the row of holes and the

Sliding elements located gap is pushed, whereby the connecting elements are secured against falling out of the row of holes.

In the case of the present invention, it is meant to mean "from behind" from within the rack, that is, in the

the aforementioned case, the connecting elements of the first plate are inserted from within the rack through the row of holes of the rack until the connecting elements together

Stop elements to the front, i. in the direction of

Protruding outside of the rack from the row of holes. The

Outside refers to that side of the row of holes or the rack, of which the mounting bracket of

Hardware component when mounting to the row of holes

be introduced or by the hardware component in the rack is inserted. Then, the first plate can be secured with the second plate, wherein the second plate is pushed at the front between the row of holes and the stop elements.

The use according to the invention can in particular

be further developed to the effect that the am

Mounting bracket of the hardware component holes are placed on the free ends of the fasteners.

This will correctly position the hardware component and keep it in the correct position until it is finalized in a next step. As already above

executed ensures that provided by the fasteners guide that can be dispensed with the presence of a second person who holds the hardware component during assembly in position.

The use according to the invention is preferably further developed such that further nuts are screwed onto the free ends of the connecting elements, whereby the first plate, the row of holes, the

Mounting bracket of the hardware component and the second plate are clamped together.

This step is the final fixation of the

Hardware component in the rack.

Alternatively, the use of the invention is further developed in that the connecting elements with their second free ends ahead along with the

Stop elements from the front through the holes in the row of holes be plugged, with the first plate comes to rest on the row of holes and at the second free ends

located stop elements engage behind the row of holes and the second plate in between the row of holes and arranged at the second free ends stop elements

is pushed gap, causing the

Connecting elements against falling out of the

Secure row of holes.

The first free ends of the connecting elements are also outside the rack in this embodiment. The hardware component is again positioned correctly and held in the correct position, with the

Presence of a second person during assembly can be omitted.

The use according to the invention can in particular

be further developed such that further

Nuts on the first free ends of the

Fasteners are screwed, making the first plate, the row of holes, the mounting bracket of

Hardware component and the second plate are clamped together.

After this step, the hardware component is firmly mounted in the rack.

The invention will be explained in more detail with reference to embodiments shown schematically in the drawing. In this Fig.l shows a perspective

View of a first embodiment of the

Fastening element according to the present invention,

A side view of the first embodiment of the Fastening element according to the present invention, Figure 3 is a perspective view of a second

Embodiment of the fastener according to the

5 shows a perspective view of the fastening element according to the first embodiment in the secured state at the row of holes with built-hardware component, Figure 6 is a side view of the embodiment of FIG. 5, Figure 7 is a perspective view of

8 shows a perspective view of the fastening element according to the third embodiment in the secured state at the row of holes.

Fig.l shows the fastener 1 according to the invention in a first embodiment. The fastening element 1 comprises a first plate 2 with two outgoing from the first plate 2 bolt-shaped connecting elements 3 and a second plate 4 with two recesses 5 for the

Connecting elements 3. As can be seen Fig.l the recesses 5 are formed open to the edge of the second plate 4 out.

Fig.l shows the connecting elements 3 in the

Recesses 5 imported state.

Furthermore, the stop elements 6 according to the invention are to be taken from FIG

Cross-section reduction of the bolt-shaped

Connecting elements 3 formed end face of the

Connecting element 3 are formed. The

Connecting elements 3 have a first free end 7 and the stopper member 6 is disposed between the first free end 7 and the first plate 2. The

bolt-shaped connecting elements 5 carry between the free end 7 and the stop element 6 a thread on which a fastening nut can be screwed.

FIG. 2 shows a first embodiment of the invention

Fastener according to the present invention shown in side view. The reference numerals correspond to the reference numbers selected in FIG. The gap 15 between the first plate 2 and the second plate 4 is provided for the arrangement of the row of holes of the rack.

3 shows the fastening element 1 according to the invention in a second embodiment. The fastener 1 also includes here a first plate 2 with two outgoing from the first plate 2 bolt-shaped

Connecting elements 3 and a second plate 4 with two recesses 5 open to the edge of the second plate 4 for the connecting elements 3. The connecting elements 3 have a first free end 7 and a second free end 8, wherein the stop elements 6 in the form of a

annular thickening at the second free end 8 of the

Connecting elements 3 are arranged.

3 shows the connecting elements 3 in the

Recesses 5 introduced state, wherein it can be seen that the stop elements 6 of an annular

Thickening at the end of the respective connecting element 3 are formed.

Fig. Shows the second embodiment of the

Fastening element according to the present invention in the side view. The reference numerals correspond to the reference numbers selected in FIGS. The gap 15 between the first plate 2 and the second plate 4 is again provided for the arrangement of the row of holes of the rack.

5 shows a perspective view of

Fastener 1 according to the first embodiment in the bolted to the row of holes 9 state with built-hardware component 10. Furthermore, in Fig.5 the

Mounting bracket 11 of the hardware component 10 shown.

The connecting elements 3 (here covered by the cap nuts 12) were already including the stop elements 6 (also covered by the cap nuts 12) inserted from behind through the holes 13 of the row of holes 9. The second plate 4 is located in between the row of holes 9 and

Stop elements 6 (not visible in Figure 5) located gap 14 and is located on the stop elements 6 of

Connecting elements 3 on.

The mounting bracket 11 of the hardware component 10 is already with its holes on the free ends 7 of

Fasteners 3 attached. By screwing with cap nuts 12 at the free ends 7 of

Connecting elements 3 are the first plate 2, the

Row of holes 9, the mounting bracket 11 of

Hardware component 10 and the second plate 4

clamped together.

6 shows a side view of the fastener 1 according to the first embodiment in the bolted to the row of holes 9 state with built-hardware component 10. The reference characters correspond to the reference numerals selected in FIGS.

7 shows a perspective view of the

inventive fastener 1 in a third embodiment. The reference numerals correspond to the reference numbers selected in FIGS. The first plate 2 and the second plate 4 are together as a single part

formed and connected via an angled web 15 hinged together. The web 15 allows only a bend around the hinge 16 in the direction of the arrow 17, so that the recesses 5 of the second plate 4 at full bending of the joint 16 by 180 ° from the

Connecting elements 3 are penetrated and thereby rest against the stop elements 6.

8 shows a perspective view of the

Fastener 1 according to the third embodiment in the attached to the row of holes 9 state. The reference numerals correspond to the reference numbers selected in FIGS. As already explained with reference to FIG

Recesses 5 of the second plate 4 - after

Angulation of the joint 16 - with its edge on the

Stop elements 6 located on the plate 2

Connecting elements 3, wherein the row of holes 9 is received between the first plate 2 and the second plate 4. The stop elements 6 are used in cooperation with the voltage applied to these second plate 4, the

Fastener 1 already before screwing the

Temporarily to hold fastening nuts on the row of holes 9, wherein the row of holes 9 between the first plate 2 and the second plate 4 is arranged at a close distance or

is clamped.

Claims

Claims:

1. fastening element (1) comprising a first plate (2) with at least two of the first plate (2) outgoing bolt-shaped connecting elements (3) and a second plate (4) with at least one recess (5), in particular two recesses for the bolt-shaped

Connecting elements (3), wherein the at least one

Recess (5) is formed such that the

Connecting elements (3) in the at least one recess (5) are insertable, and wherein the bolt-shaped

Connecting elements (3) in particular rigidly arranged on these, in the longitudinal direction of the connecting elements (3) effective stop elements (6) against which the second plate (4) can be brought into abutment when the

Connecting elements (3) pass through the recess (5) of the second plate (4).

2. Fastening element according to claim 1, characterized

characterized in that the at least one recess (5) is open towards the edge of the second plate (4) so that the

Connecting elements (3) transversely to the bolt longitudinal direction in the at least one recess (5) are insertable.

3. Fastening element according to claim 1, characterized

in that the at least one recess (5) is designed as a closed opening, preferably as a keyhole-shaped or pear-shaped opening, so that the

Connecting elements (3) in the bolt longitudinal direction in the at least one recess (5) are insertable.

4. Fastening element according to one of claims 1 to 3, characterized in that the stop elements (6) are each formed by one of a change in cross section of the connecting element (3) resulting stage.

5. Fastening element according to one of claims 1 to 3, characterized in that the stop elements (6) are each formed by an annular thickening of the respective connecting element (3).

6. Fastening element according to one of claims 1 to 3, characterized in that the stop elements (6) are each formed by an annular end face of the connecting element (3) formed by a cross-sectional reduction.

7. Fastening element according to one of claims 1 to 6, characterized in that the connecting elements (3) are arranged at a distance from a height unit.

8. Fastening element according to one of claims 1 to 7, characterized in that the connecting elements (3) have a first free end (7) and the

Stop element (6) between the first free end (7) and the first plate (2) is arranged.

9. Fastening element according to one of claims 1 to 7, characterized in that the connecting elements (3) have a first and a second free end (7,8) and the stop elements (6) at the second free end (7) or between the second free end (7) and the first plate (2) are arranged.

10. Fastening element according to one of claims 1 to 9, characterized in that the connecting elements (3) have a thread.

11. Fastening element according to claim 10, characterized

in that the first thread of the thread is designed as a stop element (6).

12. Fastening element according to claim 10 or 11, characterized in that further nuts, in particular cap nuts (12) on the free end of the thread

can be screwed.

13. Fastening element according to one of claims 1 to 12, characterized in that the first plate (2) and the second plate (4) are integrally formed with each other.

14. Use of the fastener according to one of claims 1 to 13 for fastening a

Mounting bracket (11) of a hardware component (10) on a row of holes (9) of a rack (rack).

15. Use according to claim 14, characterized in that the connecting elements (3) are pushed forward with their free end (7) together with the stop elements (6) from behind through the holes (13) of the row of holes (9) and the second plate (9). 4) in the between the row of holes (9) and the stop elements (6) located gap (14) is pushed, whereby the connecting elements (3) against the

Falling out of the row of holes (9) are secured.

16. Use according to claim 15, characterized in that at the mounting bracket (11) of the hardware component (10) located holes (13) on the free ends (7) of the connecting elements (3) are placed.

17. Use according to claim 16, characterized in that further nuts are screwed onto the free ends (7) of the connecting elements (3), whereby the first plate (2), the row of holes (9), the mounting bracket

(11) of the hardware component (10) and the second plate (4) are clamped together.

18. Use according to claim 14, characterized in that the connecting elements (3) with their second free ends (8) are pushed forward along with the stop elements (6) from the front through the holes (13) of the row of holes (9), wherein the first Plate (2) on the row of holes (9) comes to rest and located at the second free ends (8) stop elements (6) engage behind the row of holes (9) and the second plate (4) in between the row of holes (9) and the at the second free end (8) arranged stop elements

(6) is pushed, causing the

Connecting elements (3) are secured against falling out of the row of holes (9).

19. Use according to claim 18, characterized in that at the mounting bracket (11) of the hardware component (10) located holes on the first free ends (7) of the connecting elements (3) are placed.

20. Use according to claim 19, characterized in that further nuts on the first free ends

(7) of the connecting elements (3) are screwed, whereby the first plate (2), the row of holes (9), the Mounting bracket (11) of the hardware component (10) and the second plate (4) are clamped together.