WO2012034775A1 - Coffret à outils - Google Patents

Coffret à outils Download PDF

Info

Publication number
WO2012034775A1
WO2012034775A1 PCT/EP2011/063316 EP2011063316W WO2012034775A1 WO 2012034775 A1 WO2012034775 A1 WO 2012034775A1 EP 2011063316 W EP2011063316 W EP 2011063316W WO 2012034775 A1 WO2012034775 A1 WO 2012034775A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
case
suitcase
double
case according
Prior art date
Application number
PCT/EP2011/063316
Other languages
German (de)
English (en)
Inventor
Monika Renner
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2012034775A1 publication Critical patent/WO2012034775A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • B25H3/02—Boxes

Definitions

  • the invention is based on a tool case, in particular a tool case produced by means of a hollow-body blow molding method, according to the preamble of claim 1.
  • a tool case which is stackable along a vertical direction and which has a cup-shaped lower part with an opening pointing in the vertical direction and a cover for closing the opening.
  • two opposite side walls are pulled laterally past the cover, to form in this way two stacking posts extending in the vertical direction, between which the cover is in the closed state and on which the lower part of a stacked second tool box can be supported.
  • the object of the invention is therefore to stabilize a tool box, in particular a tool box produced by means of a hollow-body blow molding process, so that it meets the requirements of stacking, in particular pallet stacking, during storage and transport.
  • the invention is based on a tool case produced by the hollow-body blowing method for storing hand-held power tools.
  • At least two opposite side walls of the lower part are designed as a double wall.
  • the corresponding walls thus each have an outer and an inner wall.
  • a stackable suitcase although produced by a blow molding blow molding, the requirements for a pallet transport or the corresponding storage guaranteed.
  • the stiffening units in the form of reinforcing walls and reinforcing webs, which are mounted both on the tool box lid and in the tool holder shell (lower part).
  • These reinforcing elements extend in partial regions of the outer or inner wall of a double wall, as a rule, approximately perpendicular to the tool case bottom and are thus advantageously able to absorb the weight forces of a stacking of the cases.
  • the weight forces are absorbed and forwarded only in a portion of the case on the stiffening walls. In an advantageous manner, in a stacking of the suitcase exerted forces absorbed and forwarded primarily on the inner wall of the double wall of the suitcase.
  • the double wall of the lower part of the case according to the invention is designed such that it integrally merges into the bottom wall of the lower part.
  • the outer wall of the double wall merges with a relatively small radius of curvature into the bottom wall of the lower part of the case. It can be seen that with increasing transition radius, the distribution of forces unfavorable effect on the stability of the case and also displacement forces are generated. The formation of the outer wall of the case according to the invention thus represents a compromise between the optimal power distribution and requirements for the suitcase design.
  • the inner wall of the double wall of the lower part has an outwardly directed elevation, or step, with which the inner wall is supported on the inside in a particular outward elevation of the bottom wall.
  • the outwardly directed increase in the bottom wall of the lower part of the case according to the invention corresponds to an inwardly directed recess in the outwardly directed cover wall of the upper part of the case, so that, in the stacked state of two suitcases, the outwardly directed increase in the bottom wall of the bottom of the lower part engages in the inwardly directed recess on the upper side of the upper part of a lower case, which immediately downwardly adjoins in the stacking direction.
  • the elevations of the bottom wall of the suitcase and the recesses in the cover wall of the suitcase are formed substantially at the four corners of the suitcase, in particular substantially in the region between the double walls.
  • a dividing-side double wall of a first, upper suitcase comes to lie on a shell-side double wall of a second, lower suitcase arranged immediately below.
  • the double walls thus form stable stacking elements which absorb the force of gravity acting on the top of a case on the double walls, forward them and forward in a corresponding manner to the downwardly subsequent case in the stack.
  • the inner wall of a double wall of the lower part of an upper suitcase is supported on the inner wall of the upper part of a lower suitcase. This is achieved in an advantageous manner in that the bottom end of an inner wall of the lower part of an upper suitcase comes to rest above the cover-side end of an inner wall of the upper part of the lower suitcase adjoining the stack.
  • the inner walls form abutment surfaces, which are supported on the bottom surface (for the upper case) and on the upper surface (for the lower case).
  • this support is advantageously carried out in that wall areas arise in which all four wall thicknesses (inner wall and outer wall of the upper case and outer wall and inner wall of the lower case) at least partially superimposed.
  • an additional stabilization results from the fact that in the region in which an outer wall of the double wall of the lower part passes over a bottom wall of the lower part, at least one step is formed.
  • the double walls of the back of the case and on the front of the case are formed.
  • the back of a suitcase is defined as the side on which the hinge or hinges are formed, with which the cover part can be moved relative to the lower part of the suitcase.
  • one or more closure means may be provided for attachment of the central part to the lower part or in the opposite sense in a known manner.
  • Side walls of the case may be formed as such double walls with the properties described above.
  • the stack weight can be intercepted via serving as stacking elements double walls , so that over a wide areas of the upper lid surface or lower bottom surface of a suitcase, no or only low weight forces act on the case and possibly deform it, ie for example, could impress.
  • the bottom surface of the upper case and the lower surface of the lower case may also be in surface contact without heavy weight loading between the double walls.
  • FIG. 1 shows a tool case, produced in the hollow-body blown in the open state.
  • FIG. 2 a stacking of two tool cases according to the invention in a schematic sectional drawing
  • FIG. 2 b an enlarged detail of FIG. 2 a
  • Figure 3 shows an alternative embodiment of an inventive
  • Figure 4 shows an alternative embodiment of an inventive
  • FIG. 1 shows a tool case 1 produced in the hollow-body blow molding method for storing hand tool machines in the opened state.
  • the case 1 consists of a lid forming a top part 2, serving as a storage box base 3, a closure device 4 and a handle 5.
  • Lid and storage box 3 are about
  • Hinges 6 and 7 connected and can each other folded, are fastened by means of the closing device 4 against each other.
  • parts of the power tool can also protrude into the upper part designed as a lid when the lid comes to rest on the lower part.
  • upper or lower part are therefore also referred to as cover or bottom shell.
  • Figure 2a shows two suitcases of the invention stacked on top of one another and cut open to illustrate their structure transversely to their longitudinal extent.
  • the detail view in FIG. 2b shows the region A in which the lower part of the first upper suitcase OK comes to lie on the upper part of a second lower suitcase U K arranged underneath.
  • the outer wall 8 of the cover shell of the upper part 2 of the upper suitcase OK initially extends at approximately 90 degrees to its bottom surface and thus in the direction of the stacking forces that occur.
  • the outer wall 8 abuts at the boundary point 11 of the case between the lid and bottom shell blunt on the outer wall 12 of the bottom shell 13 of the Kofferunterteils 3.
  • a cover or bottom shell is understood in each case the double-walled structure with a corresponding cover or bottom part.
  • the outer wall 12 of the bottom shell 13 then undergoes first continuation in the same direction as in the cover shell, but where then after a relatively large transition radius R ⁇ (see Figure 2b) in a first stage Sti in a horizontal direction, ie substantially parallel to the case bottom continued to become.
  • a second stage St 3 is formed circumferentially.
  • the bottom 15 of the lower part of the first, upper suitcase OK accurately matches the cover shell 25 of the upper part 2 of the lower case UK.
  • the advantageous for the stacking of the case conformity of the contours is achieved in particular by at least one increase 14 of a partial area T ⁇ the bottom wall 15 of the first, upper case OK and a corresponding recess 16 in a partial area T2 of the lid shell 25, the second, lower case UK , This gives the case a horizontal fit, so that they are not mutually displaceable.
  • portion Tj_ also represents the bearing surface of the upper case on the lower case.
  • Cover shell 17 corresponds with its partial surface with the first step St ⁇ the bottom shell of the upper case OK.
  • the molded-on increase St2 has the task of forwarding the weight forces introduced from the lower part of the upper suitcase to the cover shell of the second, lower suitcase at this point.
  • the recesses St2 extending inward over the partial area, circumferential recess 16 serves as a guide surface for the horizontal positive engagement and prevents the stacked cases from mutually displacing.
  • the inner wall 20 of the lid 2 runs at a certain distance in substantially the same extension direction as the outer wall 8 of the upper part 2 of the upper suitcase OK.
  • the inner wall 20 is inclined relative to the outer wall 8 (see in particular FIG. 2a).
  • the inner wall 20 of the lid 2 undergoes its aligned "continuation" in the inner wall 21 of the
  • Lower part 3 In contrast to the outer wall 12, which has a relatively large radius R ⁇ at the transition to the horizontal bottom surface, opens the lower end of the bottom shell inner wall 21 in a provided with tight radii stage St4 with a relatively narrow support surface 22nd In the area of the step St4 of the inner wall 21 of the bottom shell of the upper case OK, the inner wall 21 and the outer wall 12 of the bottom shell of the upper case OK and the outer wall 18 and the inner wall 19 to overlap, so that through the upper case OK introduced weight F2 can be stably caught at this point and distributed to the walls 18 and 19 of the lid shell of the lower case.
  • a laterally, ie in a horizontal transverse direction raised wall portion 23 of the outer wall 15 of the bottom shell prevents unilateral deflection of the inner wall 21 in a horizontal direction and thus increases the stability of the junction of the outer and inner walls and the
  • Double wall construction of the suitcase according to the invention Double wall construction of the suitcase according to the invention.
  • the vertical forces exerted during the stacking of the suitcases according to the invention are distributed over the circumferentially mounted stiffening elements in the form of the outer and inner wall of the tool case.
  • a partial force (see, for example, FIG. 2 b) is transmitted vertically to the outer wall of the bottom shell via the outer wall of the cover shell at the separation point 11 of the lower and upper shell of a suitcase.
  • lower case U K is a division of the forces F ⁇ in a vertical and a horizontal component. It can be seen that with increasing transition radius, this division of forces unfavorable effect on the stability of the case and also lateral displacement forces are generated.
  • the formation of the outer wall 12 or 18 of the case according to the invention thus represents a compromise between the optimal power distribution and requirements for the suitcase design.
  • the partial force Fj_ which acts on the outer shell 12 of the bottom shell of an upper suitcase OK on the cover shell of a lower suitcase UK, is deflected in the region of the bottom shell of the upper suitcase to a first stage St ⁇ , which is designed in particular so that they are primarily the Partial forces in this contact surface area, in which the first stage St ⁇ the bottom shell of the upper case rests against an increase St2 of the cover shell of the lower case, to the corresponding surface of the cover shell of the second, lower Forwarded suitcase.
  • the remaining, transmitted over the outer wall forces are transmitted in the region of the formed increase St3 of the bottom shell of the upper case on the recess 16 (portion T2) of the cover shell of the second, lower case (UK).
  • a partial force F2 which is guided in the vertical direction along the inner wall 20 of the cover shell of the first, upper case first on the boundary point 11 of the upper and lower shell is then continued over the inner wall 21 of the bottom shell of the upper case.
  • the point of contact T3 of the inner wall 21 and outer wall 12 of the first case is then continued over the inner wall 21 of the bottom shell of the upper case.
  • the power transmission takes place via a narrow support surface (partial area T3) onto a partial area of the outer wall of the bottom shell of the first suitcase.
  • the power is transmitted to the outer wall in the region of the partial increase T ⁇ of the bottom side arranged outer wall 15 of the upper case.
  • Lid of the second, lower case, the force component F2 is directed onto the inner wall 19 of the lid part 2 of the second case.
  • the two inner walls of the upper case (21) and the lower case (19) in the contact area T ⁇ of the two cases are aligned with each other.
  • the support of the rear inner or outer walls also takes place, essentially mirror-symmetrically. Again, the principle of double overlap and in particular the support of the inner walls is used again.
  • the stiffening units in the form of reinforcing walls and reinforcing webs are used according to the invention Tool case cover (upper part) and in the tool holder shell (lower part) are mounted. These reinforcing elements extend in partial regions of the outer or inner wall of a double wall, as a rule, approximately perpendicular to the tool case bottom and are thus advantageously able to absorb the weight forces of a stacking of the cases.
  • the weight forces are absorbed and forwarded only in a portion of the case on the stiffening walls.
  • the forces are absorbed in particular by the inner and outer walls of the double walls.
  • FIG. 3 shows a further exemplary embodiment of the suitcases according to the invention in a detail view of the contact area of the bottom shell of the upper suitcase OK with the cover shell of the lower suitcase U K.
  • FIG. 3 shows a further exemplary embodiment of the suitcases according to the invention in a detail view of the contact area of the bottom shell of the upper suitcase OK with the cover shell of the lower suitcase U K.
  • the outer case wall is not provided in a case according to the embodiment of Figure 3, as in the previous example, at the transition point to the case bottom or at the top of the case lid with a generous transition radius or R2, but rather has a more curved radius edge RK ⁇ or RK2.
  • the step area for the transmission of weight forces can be brought much closer to the outer contour (outer wall), so that can be transferred at this point a much larger force component than in the previous embodiment.
  • FIG. 4 shows a detailed illustration of a further exemplary embodiment of the additional construction of stabilizing elements in the region of FIG.
  • an inner wall in contrast to the rectilinear inner wall, as shown for example in FIG. 2, an inner wall is shown with a course. While the outer wall (AW) is particularly flat on the outside, has the inner wall on (IW) formations (X), which protrude into the receiving space of the upper case and / or the lower case part.
  • IW inner wall on
  • This preferably formed over the entire inner peripheral portion of the trunk half wall wall is characterized by approximately at right angles to the bottom or top level arranged, repeating alternately protruding and recessed interconnected Wandanismee.
  • the force acting perpendicular to the inner wall weight which results in a stacking of several cases in the vertical direction, is distributed in a case according to this embodiment on a larger area.
  • the achievable, smaller specific surface pressure prevents the risk of deformation.
  • the distance between two consecutive, protruding ridges X can be constant over the inner wall, as shown in Figure 4, or vary over the course of an inner wall.
  • the embodiment of the inner wall according to FIG. 4 can also be integrated into the embodiments of the case according to FIG. 2 or FIG. 3 according to the invention. All of these case embodiments may additionally be provided in the region of the separation point between the bottom and the cover shell with an additional Nutstegsystem 30, 32, as shown in the figure 1. Such a fit between the case bottom shell and the case top panel reduces the influence of shear forces that can be encountered in the vertical split within a single case. The cover shell 2 can thus be moved, for example, heavier relative to the bottom shell 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

L'invention concerne un coffret empilable, en particulier un coffret réalisé selon un procédé de soufflage de corps creux, destiné à des machines-outils portatives et/ou à des accessoires. Ce coffret présente une partie inférieure (3) servant de logement pour les outils et une partie supérieure (2) associée à une ouverture de la partie inférieure (3) et servant de couvercle de coffret. Un empilage vertical de plusieurs coffrets est rendu possible par le fait que la partie inférieure (3) d'un premier coffret, supérieur (OK) vient à reposer sur la partie supérieure (2) d'un deuxième coffret, inférieur (UK) situé directement en dessous. Selon l'invention, au moins deux parois latérales opposées de la partie inférieure ainsi que deux parois latérales opposées de la partie supérieure sont réalisées sous la forme de doubles parois.
PCT/EP2011/063316 2010-09-13 2011-08-02 Coffret à outils WO2012034775A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010040616.3 2010-09-13
DE201010040616 DE102010040616A1 (de) 2010-09-13 2010-09-13 Werkzeugkoffer

Publications (1)

Publication Number Publication Date
WO2012034775A1 true WO2012034775A1 (fr) 2012-03-22

Family

ID=44629578

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/063316 WO2012034775A1 (fr) 2010-09-13 2011-08-02 Coffret à outils

Country Status (2)

Country Link
DE (1) DE102010040616A1 (fr)
WO (1) WO2012034775A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015184647A1 (fr) * 2014-06-06 2015-12-10 Techtronic Industries Company Limited Boîte moulée par soufflage
ES1206711Y (es) * 2018-02-05 2018-05-25 Plasbox S L Apilamiento de maletas

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030756A1 (de) * 1980-08-14 1982-03-11 Heyco-Werk Heynen Gmbh & Co Kg, 5630 Remscheid Werkzeugkoffer, insbesondere fuer bootsausruestung
EP0733444A1 (fr) * 1995-03-24 1996-09-25 Sotralentz S.A. Valise à deux moitiés, fabriqué en matière thermoplastique
US20020117944A1 (en) * 2001-02-23 2002-08-29 Kun-Chen Chen Toolbox
EP1305145A1 (fr) 2000-08-03 2003-05-02 Atlas Copco Electric Tools GmbH Boite a outils
CH694315A5 (de) * 1999-06-28 2004-11-30 Plaston Ag Kunststoffwerk Verwindungssteifer Koffer aus Kunststoff.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030756A1 (de) * 1980-08-14 1982-03-11 Heyco-Werk Heynen Gmbh & Co Kg, 5630 Remscheid Werkzeugkoffer, insbesondere fuer bootsausruestung
EP0733444A1 (fr) * 1995-03-24 1996-09-25 Sotralentz S.A. Valise à deux moitiés, fabriqué en matière thermoplastique
CH694315A5 (de) * 1999-06-28 2004-11-30 Plaston Ag Kunststoffwerk Verwindungssteifer Koffer aus Kunststoff.
EP1305145A1 (fr) 2000-08-03 2003-05-02 Atlas Copco Electric Tools GmbH Boite a outils
US20020117944A1 (en) * 2001-02-23 2002-08-29 Kun-Chen Chen Toolbox

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Publication number Publication date
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