Classifications

• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K5/00—Casings, cabinets or drawers for electric apparatus
  • H05K5/02—Details
  • H05K5/0217—Mechanical details of casings
  • H05K5/0221—Locks; Latches
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K5/00—Casings, cabinets or drawers for electric apparatus
  • H05K5/02—Details
  • H05K5/03—Covers
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K9/00—Screening of apparatus or components against electric or magnetic fields
  • H05K9/0007—Casings
  • H05K9/0009—Casings with provisions to reduce EMI leakage through the joining parts

Definitions

• the present invention relates to a lockable housing (pressure housing), in particular a medical device according to the preamble of
• Aircraft engineering is the fundamental need to encase electrical equipment and electronic components in so-called protective housings, which on the one hand protects the devices and components against external influences such as moisture, dirt and shocks / vibrations and on the other hand the escape of
• Electromagnetic waves from the housing effectively prevented.
• Such housing usually have at least one mounting hole, which can be closed with a mounting flap or hood.
• housings of the type described above are well known. This consists of a base plate, are bolted to the edge of four side walls or welded. A housing cover has a peripherally encircling mounting frame, which when placing the cover the
• housing parts With great precision and also the assembly is to operate with great effort.
• the housing parts must be provided with tongue and groove edges and the holes provided for screwing must be set so precisely that when screwing the individual housing parts, the predefined relative positions are not changed. This effort in the preparation and assembly of the housing parts makes the entire housing expensive and impractical to handle.
• a (device) housing preferably for medical purposes, which is characterized by a high degree of installation and ease of servicing.
• a goal is preferably, the assembly time of the housing and thus the entire
• the housing prefferably, to form the housing as a Faraday cage, firstly to avoid that electromagnetic waves / rays from the housing interior to the outside, but also secondly no interference from the outside into the
• Device housing can penetrate.
• the object and possibly the other objects of the present invention are achieved by a (medical) device housing with the characteristics of the adjacent
• Patent claim 1 solved.
• Advantageous embodiments are the subject of
• Locking mechanism to use Basically, such has one
• Locking mechanism for connecting two housing parts a bolt or slide with an undercut / latching lug and a ramp, wherein the bolt / slider slidably mounted on a first housing part and preferably by means of the adjusting screw or other adjusting mechanism, such as a toggle lever, from the outside is actuated.
• On a second housing part is a first engagement means for the undercut / latch and a second
• the two engagement means and the undercut / latch are placed so that when a locking movement of the bolt / slide the
• a housing of an electrical or electronic device preferably of the medical type with an access hood, access cover or the like housing part is proposed, which is suitable for closing the housing or a
• Locking mechanism can be fixed to the housing.
• the locking mechanism has at least one longitudinally displaceable on a first housing part on the housing or on the access hood / access cover latch / slider on which a ramp and a spaced apart in the sliding direction undercut or a detent is provided, whereas on a second housing part, namely at the access hood / access cover or the housing at least one projection is provided, which is designed and / or arranged to define two engagement means, that it depends on the current sliding position of
• Bolt / Schiebers alternately with the associated locking lug for pulling or with the ramp for pushing away the access hood / access cover to / from the housing comes into operative engagement.
• Attacking agent for example, in the form of a bolt-like projection increasingly engages behind and thus continues to draw and from the nature of the adjusting mechanism for actuating the bolt / slide, for example in the form of a set screw. To this enormous tension, which also a self - locking of the
• Locking mechanism causes to release again and release the two clamped housing parts, the ramp is provided which wedge-shaped against the associated engagement means, for example, also in the form of a
• This construction of the locking mechanism makes it possible to optimize the contact points of both housing parts so that it is impermeable to electromagnetic radiation.
• a tongue and groove connection between the two housing parts can be provided, which is designed so that a dense
• Press connection arises. Since the locking mechanism exerts constraining forces on the two housing parts both in the locking and in the release direction, the press connection can be produced forcibly in this way, but can also be released again.
• the housing of the invention has a bottom plate, a number of side walls and the at least one access hood or access cover, which, as already stated above, more preferably according to the tongue and groove Principle are plugged together.
• at least on the housing inner side of the bottom plate along its circumference at least one or more grooves may be formed whose respective groove depth is oriented perpendicular to the housing inner side to the edgewise plug-in receptacle of the side walls and preferably the access hood / access cover.
• such grooves can also be provided on the access hood / access cover and / or the side walls, such that the assembled from said parts housing at selected or all longitudinal edges has the tongue and groove connection.
• a number of serially spaced guide pins on the respective inside of the housing namely the bottom plate, the side walls and / or the access hood / access cover edge a number of serially spaced guide pins on the respective inside of the housing
• the bolt / slider may preferably be made of a sheet metal component, but this may also be a metal casting.
• the latch / slider has a number of serially longitudinally spaced passage longitudinal slots into which the guide pins are longitudinally slidably inserted or insertable. That the guide pins form together with the
• Passage longitudinal slots a kind of slotted guide for the bolt / slide.
• a dovetail guide, a curtain guide or the like guide slot would be conceivable. It is advantageous if the guide prevents unintentional lifting of the bolt / slide.
• Guide pins these can be formed with axial internal threads, in which after mounting the bolt / slide retaining screws can be screwed.
• Actuating device for longitudinal displacement of the respective bolt / slide provided from outside the housing.
• This actuating mechanism may be, for example, a set screw which on a selected housing part namely the bottom plate, the side plates and / or the
• Access hood / access cover in the sliding direction of the associated bolt / slide screwed and frontally with the associated latch / slider is engaged to to push and pull it in its longitudinal direction.
• the actuator such as a toggle construction.
• the at least one projection is provided by a separate engaging means component which is fixed / fixable to selected housing parts namely the bottom plate, the side walls and / or the access hood / access cover.
• a separate engaging means component which is fixed / fixable to selected housing parts namely the bottom plate, the side walls and / or the access hood / access cover.
• the engaging means component is formed as a sheet metal or metal casting component with a number of tab-shaped or bolt-shaped, longitudinally spaced projections, each defining one or two engagement means for cooperation with the locking lug and / or the ramp on the bolt / slider.
• FIG. 1 shows a part of a preferably medical device housing according to a preferred embodiment of the invention
• Fig. 2 shows an engaging means component for mounting to housing parts of the preferably medical device housing
• Fig. 3. shows a slider as part of a locking mechanism according to the preferred embodiment of the invention.
• the apparatus housing partly shown in Fig. 1 has a bottom plate 1, at least two to be connected to the bottom plate 1 side plates 2 and a non-illustrated, in cross section, perhaps U-shaped hood, which is therefore integral two further side plates and a lid integrally formed.
• each side of the housing including the bottom and lid may each be formed of a single plate member.
• the bottom plate 1 has on its inner side of the housing an edge circumferential groove or grooves 4, in which the side plates 2 after the groove and
• the engaging means component 8 consists of a sheet-metal component with a mounting sheet-metal strip 8a, of which a number of longitudinally spaced-apart tabs 8b protrude substantially at right angles.
• Each (or selected) tab 8b has a wedge-shaped fold 8c at a (rectified) longitudinal end.
• Each (or selected) tab 8b thus forms in each case two attacking means A, B for one
• the locking mechanism according to FIG. 3 in the present case consists of a bolt or slider 10 which is formed by a sheet metal or metal casting component. It has a mounting sheet metal strip 12 in which a number of longitudinally spaced apart
• Longitudinal slots 14 are formed according to the number and the distance of the screw 6. Furthermore, the mounting sheet metal strip 12 is bent at a longitudinal edge to a bar 16 (90 °), at the free upper edge in the longitudinal distance a number of wedge-shaped ramps 18 and tab-shaped latching lugs 20 are formed.
• the number and positioning of the ramps 18 and locking lugs 20 is selected so that in the event that the slider 10 along the engaging means component 8 is relatively moved in a first longitudinal direction, the locking lugs 20 with the tabs 8 b of Attacking component 8 at each side facing edges (representing an associated attacking means) B undercutting and thus zooming come into engagement, while the ramps 20 of the tabs 8b of the attacking means component 8 respectively facing side folds (also represent their associated appeals) A be spaced. If the slider 10 is moved in the opposite longitudinal direction, the locking lugs 20 come from the tabs 8b of the
• the latch / slider 10 has at one longitudinal end a perpendicular to
• Fig. 1 are at the (two) opposite longitudinal edges of
• Base plate 1 each formed a number of Anschraubsockel 6. Two
• Latch / slider 10 are at their respective mounting sheet metal strip 12 to the
• Anschraubsockeln 6 mounted longitudinally displaceable by the Anschraubsockel 6 are passed through the longitudinal slots 14 in the mounting sheet metal strip 12, wherein finally retaining screws 26 are turned on the Anschraubsockel 6, which prevents lifting of the bolt / slide 10 of the Anschraubsockeln 6.
• the two bars / slider 10 can be moved longitudinally parallel to each other on the bottom plate 1.
• the respective longitudinal strips 16 with the locking lugs 20 and the ramps 18 lie on the outwardly directed longitudinal side of each
• Bolt / slider 10 and substantially perpendicular to the bottom plate inside.
• an actuating mechanism is provided in each case.
• This consists in each case of an adjusting screw 28 which is screwed into the bottom plate 1 in bolt / slide - longitudinal direction and which end is rotatably but axially fixed anchored in the respective through hole 24 of the associated bolt / slide 10. That when turning the screw 28 on the bottom plate 1, this is moved in the longitudinal direction of the screw, this movement is transferred to the docked latch / slide 10 for the longitudinal displacement.
• each side plate 2 is at least one longitudinal edge, in this case at two opposite longitudinal edges each an engaging means component 8 fixed (by screwing, riveting, welding, etc.), such that its the attacking means A, B defining tabs 8b with the ramps 18 and locking lugs 20 of the associated slider 10 can be brought into engagement.
• the two side panels 2 shown are pressed edgewise into the grooves 4 formed on the bottom plate 1. Subsequently, the two bars / slides 10 are actuated / shifted by means of the adjusting screws 28, such that the locking lugs 20 formed thereon engage behind the tabs 8b formed on the engaging means 8 and thereby pull against them.
• the two side plates 2 are pulled more firmly into the grooves 4 and held there quasi self-locking under a high biasing force (applied via the screws). By this measure, a dense and electromagnetic radiation impermeable connection between the shown side plates 2 and the bottom plate 1 is achieved.
• Submissive component 8 come and instead the ramps 18 on the tabs 8b come in oppressive plant. Thereby, according to the wedge shape of the ramps 18, the respective side plate 2 is pushed out of the groove 4 on the bottom plate 1.
• Latch / slide 10 arranged adjusting screw 28 and a common screw for actuating at least two parallel bolt / slider 10 may be arranged. Also, the latch / slider 10 can be arranged on the side plates 2 instead of on the bottom plate 1 (and the access hood not shown). Finally, the points of attack need not necessarily be formed by the tabs shown but may also be formed by dowels or bolts which are inserted into the engaging means component.

Landscapes

• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Casings For Electric Apparatus (AREA)
• Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
• Accommodation For Nursing Or Treatment Tables (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (1)

Family

ID=51582370

Family Applications (1)

Country Status (9)

Families Citing this family (5)

Citations (4)

Family Cites Families (16)

• 2013
  • 2013-09-19 DE DE201310110383 patent/DE102013110383A1/de not_active Withdrawn
• 2014
  • 2014-09-16 JP JP2016543377A patent/JP6514215B2/ja active Active
  • 2014-09-16 KR KR1020167010260A patent/KR102309433B1/ko active Active
  • 2014-09-16 US US15/022,747 patent/US9661769B2/en active Active
  • 2014-09-16 BR BR112016005708-2A patent/BR112016005708B1/pt active IP Right Grant
  • 2014-09-16 WO PCT/EP2014/069672 patent/WO2015040011A1/de not_active Ceased
  • 2014-09-16 EP EP14771249.1A patent/EP2880968B1/de active Active
  • 2014-09-16 CN CN201480050840.7A patent/CN105557077B/zh active Active
  • 2014-09-16 ES ES14771249.1T patent/ES2578016T3/es active Active

Patent Citations (4)

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