WO2004110819A1 - 作業車両運転室の内装部材とその成形方法および壁部材 - Google Patents
作業車両運転室の内装部材とその成形方法および壁部材 Download PDFInfo
- Publication number
- WO2004110819A1 WO2004110819A1 PCT/JP2004/008275 JP2004008275W WO2004110819A1 WO 2004110819 A1 WO2004110819 A1 WO 2004110819A1 JP 2004008275 W JP2004008275 W JP 2004008275W WO 2004110819 A1 WO2004110819 A1 WO 2004110819A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interior member
- sound absorbing
- panel base
- base material
- working vehicle
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0237—Side or rear panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0846—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0604—Cabs insulated against vibrations or noise, e.g. with elastic suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
Definitions
- the present invention relates to an interior member of a working vehicle cab, a molding method thereof, and a wall member, such as a construction machine such as a hydraulic excavator, an agricultural machine such as a tractor, and other industrial machines.
- a construction machine such as a hydraulic excavator
- an agricultural machine such as a tractor
- a cab 110 provided in these work vehicles has a turning mechanism 102 on a lower traveling body 101 as shown in FIG.
- the upper revolving body 103 is rotatably installed through the upper revolving body 103, and the boom 105 provided to be able to move up and down and the tip of the boom 105 can be turned up and down.
- a working machine 104 having an arm 106 provided and an attachment 107 such as a bucket provided at the end of the arm 106 so as to be vertically movable, a power source such as an engine 108 and a cab. 1 110 is mounted.
- the operator cab 110 is generally formed in a box shape, a front window is provided at a front surface, and a large window is provided at a rear portion as much as possible.
- a window is also provided in the half part, and a door 111 is provided on the opposite side (left side of the vehicle). By opening and closing this door 111, the operator can enter and exit the cab 110. Has been.
- the cab 110 constructed in this way contains electrical components such as switches required for driving operation, display devices, and air conditioners. (Hereinafter referred to as an air conditioner). These components and devices are arranged along the wall to secure space and enhance work functions.
- an air conditioner In the driver's cab 110 of this type of working vehicle, which works while visually confirming the front, it is most desired that the front view from the front window is wide in order to perform the work. For this reason, the operator cab 110 is designed so that the width of the front pillars located on both sides in front of the driver's cab is made as narrow as possible so as to reduce the amount of obstruction in the field of view during work.
- the excavator 110 when used at a construction site with poor scaffolding, the work may be performed in an inclined state, such as when working on a slope, and in some cases, the body may fall. . For this reason, even if the vehicle body falls and a fall load is applied to the driver's cab 110, the frame in the driver's cab 110 is sturdy so that the workers in the driver's cab 110 are protected. Attempts are being made to create a simple structure.
- Japanese Patent Application Laid-Open No. 2002-205525 discloses that an instrument panel installed in an occupant compartment of a vehicle such as a passenger car includes a skin made of urethane foam and a panel made of hard urethane foam. A technique is disclosed in which a duct wall portion is integrally formed on the back surface of a panel base material.
- a decorative cover for covering one side of an inner portion of the cab is provided inside. Since there are various functional parts and they are structurally different depending on the position of the ingress and egress force on the surface, they cannot be integrated.Therefore, the window glass is divided into a plurality of pieces corresponding to the parts and combined to form a window glass. The end is treated using a rubber seal attached to the outer plate. Although this configuration is reasonable at first glance, it has a problem that the assembling work is complicated and the workability is not good due to the large number of assembly steps.
- an instrument panel made of urethane foam absorbs the operating noise of an air conditioner installed inside the instrument panel.
- the sound absorbing effect is expected to be improved, there is a problem that the effect of reducing the noise from outside the cab of the work vehicle having a louder volume than the operation sound of the air conditioner cannot be expected.
- the present invention has been made to solve the above-described problems, and improves the assemblability of an interior member and reduces noise from outside the operator's cab. It is an object to provide a member, a molding method thereof, and a wall member. Disclosure of the invention
- an interior member of a work vehicle cab according to the present invention includes a sound absorbing material between a skin material and a panel base material. Further, the interior member of the working vehicle cab according to the present invention,
- a sound absorbing material is included inside the panel base material.
- the panel substrate has a rib structure crossing each other on the back surface side.
- an attachment portion for an electric wiring member is integrally formed on the panel base material.
- a metal plate is disposed on a side end surface of the panel base material.
- a material having heat insulating properties is used for the panel base material, and an air conditioning duct is integrally formed inside the material with the material.
- the panel base member is connected to the cab body by a stopper.
- the panel substrate is a member made of polyurethane resin and made with a non-foaming or foaming ratio up to 3 times foaming.
- the sound absorbing material is a semi-rigid polyurethane having open cells or a low resilience polyurethane which is a member which is integrally molded with another member or injected after assembling.
- the thickness of the sound absorbing material is preferably 5 to 20 mm.
- the sound absorbing material is made of one or more of urethane foam, glass wool, PET wool, and wool made of recycled plastic material, which are members to be inserted and constructed at the time of assembly. preferable.
- the present invention is characterized in that a foamed resin material is included between a skin material and a panel substrate made of polyurethane resin.
- a wall member of a working vehicle cab provided with the above-mentioned interior member, wherein a P and sound material is inserted between a metal plate disposed on an end surface of the interior member panel and the base material side and an outer plate having sound insulation properties. It is characterized by that.
- a wall member of a working vehicle cab provided with the above-mentioned interior member, wherein an outer plate portion in which the interior member is disposed is formed of a polyurethane resin layer having a skin layer on the outside of the iron plate. It is characterized by the following.
- the method for molding the interior member of the working vehicle cab (a) molding a polyurethane resin as a panel base material into a required shape by a reaction injection molding method using a first reaction injection molding die;
- thermoforming method The skin material formed by the thermoforming method is placed in a second reaction injection molding die in an amount corresponding to the thickness of the surface of the panel base material prepared in the step (a) and the thickness of the sound absorbing material. Placing a gap, injecting the sound absorbing material into the gap, and reacting and foaming the same to integrate the three layers of the skin material, the sound absorbing material, and the panel base material;
- the method for forming an interior member of a working vehicle cab includes, after the main body structure of the interior member and the cab body are joined by a fastener, a liquid sound-absorbing foam material from the skin material side.
- the sound absorbing foam material is injected into a cavity formed between the panel base material and the driver's cab body, and the sound absorbing foam material is reactively cured to form a sound absorbing foam layer.
- FIG. 1 is an overall perspective view of a cab of a work vehicle to which an interior member and a wall member according to a first embodiment of the present invention are applied.
- FIG. 2 is a cross-sectional configuration diagram schematically illustrating a configuration of an interior member and a wall member according to the first embodiment.
- FIG. 3 is a sectional configuration diagram of an interior member and a wall member according to a second embodiment of the present invention.
- FIG. 4 is a sectional configuration diagram of an interior member and a wall member according to a third embodiment of the present invention.
- FIG. 5 is a sectional configuration diagram of an interior member and a wall member according to a fourth embodiment of the present invention. You.
- FIG. 6 is a sectional configuration diagram of an interior member and a wall member according to a fifth embodiment of the present invention.
- FIG. 7 is a sectional configuration diagram of an interior member and a wall member according to a sixth embodiment of the present invention.
- FIG. 8 is a sectional configuration diagram of an interior member and a wall member according to a seventh embodiment of the present invention.
- FIG. 9 is a sectional configuration diagram of an interior member and a wall member according to an eighth embodiment of the present invention.
- FIG. 10 is a sectional configuration diagram of an interior member and a wall member according to a ninth embodiment of the present invention.
- FIG. 11 is an external perspective view (a) showing a specific application example of the interior member according to the present invention and a view (b) as viewed from the back side thereof.
- FIGS. 12A to 12C are diagrams illustrating an example of a procedure for forming an interior member.
- FIGS. 13 (a) to 13 (c) are diagrams showing an example of an assembly procedure as an interior member.
- FIG. 14 is a diagram illustrating an example of a hydraulic excavator that is a working vehicle. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows an overall perspective view of a cab of a work vehicle to which an interior member and a wall member according to the first embodiment of the present invention are applied.
- FIG. 2 is a cross-sectional view schematically showing the configuration of the interior member and the wall member according to the present embodiment.
- the interior member 13 and the wall member 10 of this embodiment constitute the rear side surface 8 of the door 7 through the rear side surface 5 from the side surface 4 mainly opposite to the entrance 6 of the cab 1. .
- the window forming parts front window 3, side window 4a, rear window 5a, rear side window 8a
- reference numeral 9 denotes the roof.
- the wall member 10 of the present embodiment has an interior member 13 in which a panel base material 14, a sound absorbing material (sound absorbing foam layer) 15 and a skin material 16 are combined, and an iron plate on the outside.
- a so-called outer plate 11 made of a (metal plate) is arranged.
- the outer shape of the wall member 10 is unitized into a shape that can be assembled with the cab-constituting frames 2, 2, and a fastening member (see FIG. ) Is configured to be fitted and attached from outside.
- the outer plate 11 of the wall member 10 is formed of a thin iron plate, and the longitudinal members 12, 12, and the mounting seat portion are provided at a plurality of positions on the inner surface side in order to mount the interior member 13. 1 2a is welded.
- the longitudinal members 12 and 12 also have an effect of forming a cross-sectional shape that maintains strength as an outer shell with respect to the outer plate 11.
- the interior member 13 constituting the interior is made of a polyurethane resin (for example, a structural or hard polyurethane resin) which is a plastic material, and a portion formed by foaming into a required cross-sectional shape is a panel substrate 14.
- a sound-absorbing foam layer 15 having a required thickness is formed along the outer surface of the panel base material 14, and a skin material 16 is formed on the outermost layer to form an integral structure.
- the foaming rate of the panel base material 14 is selected from non-foaming to triple foaming in accordance with the shape and structure thereof during molding.
- an air conditioning duct 17 for supplying air for air conditioning during assembly into the cab is provided at an appropriate location on the outer surface side (the side connected to the outer plate 11). It is molded integrally, and the air outlet (not shown) into the room is also molded. In this way, the inner surface of the duct 17 is directly Since it is formed, it can be formed freely even if it is straight or bent, and its inner surface can be finished smoothly.
- a separate closing member 17 ′ covering this open portion is formed and combined with the open portion to form the open side surface.
- And can be configured as a duct 17.
- the two members are joined to each other by bonding using an adhesive or screwing on the mating surface.
- the mating surface has an intaglio structure (not shown) so that no step is formed on the inner surface of the duct.
- a fitting structure is formed on the open portion of the duct forming portion along the joining surface of the closing member 17 ′, and the joining structure is formed on the joining surface of the closing member 17 ′.
- a protruding edge portion to be fitted with the fitting structure portion may be formed, and both may be fitted and fixed by a frictional force.
- a rib structure is provided inside the back surface side of the panel base material 14, and the closed space 62 is formed by the rib 61 of the rib structure and the outer plate 11.
- sound waves of noise incident from the outside into the closed space 62 cause irregular reflection inside the closed space 62, and only sound waves attenuated by interference or the like pass through the panel base material 14. Therefore, the sound absorbing effect can be enhanced, and at the same time, the strength of the panel base material 14 can be enhanced.
- a sound absorbing material that does not impede diffuse reflection may be inserted into the closed space 62 to enhance the sound absorbing effect.
- the sound absorbing foam layer 15 is a foamed resin material, and is made of a semi-rigid polyurethane resin having continuous bubbles by a molding method described later, or a low resilience polyurethane resin, and a panel formed of a hard polyurethane resin. It is formed integrally between the base material 14 and the skin material 16 with a required thickness over the entire surface.
- the skin material 16 is formed with a substantially uniform thickness along the outer surface of the sound absorbing foam layer 15.
- the skin material 16 is made of vinyl leather or polyolefin.
- a water-repellent and breathable material such as a material with a leather-like sheet (for example, trade name " ⁇ F j Toray Co., Ltd.”
- high-density cotton fiber fabric high-density nylon fabric or high-density polyester fabric
- a texture such as a grain pattern or embossing is applied to the surface.
- a decorative property and a tactile sensation different from those in the case of the above-mentioned sheet material can be obtained due to the specific appearance and color tone of the woven fabric.
- the panel member 14 and the interior member 13 in which the sound-absorbing foam layer 15 and the skin material 16 are combined are joined to the outer plate 11 by joining the longitudinal members 12 and 11 attached to the outer plate 11 side.
- a predetermined number of engagement holes are provided in 12 and 12a in the mounting seat portion in advance, and the outer plate 11 side is provided on the side end surface 13a of the interior member 13 side corresponding to the engagement hole.
- spread-type stoppers (clips) 18 are distributed and planted on the end face of the panel base material 14 so as to correspond to the engagement holes provided in the outer plate. Fit into the engaging hole on the side.
- a stop (not shown) that can be connected to the outer plate 11 is provided at at least one position on the side end surface 13 a, and the rear end is attached by the stop. Then, the interior member 13 is fixed to the outer plate 11. In this way, the outer plate 11 and the interior member 13 can be more securely and firmly connected to each other by fixing with a fastener in addition to locking at the place where the clip 18 is arranged. Can be. Furthermore, if the clips 18 are connected by a so-called one-touch type fastener such as a snap-type clip or a fastener, the assembling operation can be simplified and the workability can be improved.
- bonding can be used for joining the interior member 13 and the outer plate 11.
- the mounting seat portion 12a attached to the outer plate 11 and the clip 18 etc. implanted in the interior member 13 can be omitted. Absent.
- the skin material 16 is manufactured to be slightly larger than the size of the interior member 13, and the edge of the end is bent inside the interior member 13 to be joined to the outer plate 11. Therefore, it is easy to handle in a unitized state, and even after assembly, the edges can be beautifully finished without protruding outside.
- the skin material 16 to the panel base material 14 are integrally laminated to form a sound absorbing foam layer between the skin material 16 and the panel base material 14.
- Inclusion of 15 makes it possible to provide efficient sound insulation and P-sounding characteristics, and to improve the heat insulation effect.
- the panel base material 14 is a polyurethane resin, and can be formed into an arbitrary shape by using a reaction injection molding method, whereby the cross-sectional strength can be increased and the internal structure can be variously worked. Furthermore, it has thermal insulation properties, reduces the transfer of heat between the outside and the cab, and maintains the comfort of air conditioning in the cab when working in hot weather or in cold weather.
- the duct 17 is formed integrally with the panel base material 14 having heat insulation, the air conditioning can be efficiently performed, and the energy loss can be reduced.
- the skin material 16 can enhance the decorativeness and tactile sensation and provide comfort for the operator.
- the skin material 16 having water repellency and breathability In cooperation with the foamed sound absorbing layer 15 inside, it exhibits a sound absorbing function, prevents earth and sand from entering the inside of the skin material 16 and can wipe off any dirt, so that it can be wiped off with water, such as construction machinery and agricultural machinery. It is effective when used in the cab.
- the rigid polyurethane resin constituting the panel base material 14 can increase the foaming rate to increase the volume and reduce the weight for a given shape and size, and to enhance the heat insulating effect. Can be. On the other hand, when the foaming ratio is reduced, the sectional strength can be increased. Therefore, it is preferable to select the foaming rate according to the shape and structure of the interior member to be formed.
- each layer constituting the interior member 13 is 10 as the thickness of the skin material 16. 0 to 250 / m, thickness of sound absorbing foam layer 15 is 5 to 20 mm, thickness of panel base material 14 (polyurethane resin) is 2 to 4 mm in the case of non-foam molding, foam molding In some cases, it is preferably in the range of 5 to 1 O mm. In these dimension ranges, the thickness dimension of the interior member is set by arbitrarily combining the dimensions of each part as a whole.
- the air conditioning ducts 17 and the ribs 61 can be integrally formed inside the panel base material 14 as described above.
- a mounting part for the member) and a mounting part for the functional component can be formed at the time of molding, and necessary equipment and wiring can be applied to them to make the interior member 13 a unit.
- the interior member 13 can be assembled to the outer plate 11 as one panel to form a unit as the wall member 10.
- the cab 1 is configured using the unitized wall members 10, the workability of the assembling process of the cab 1 is greatly improved and rationalization can be achieved.
- the laminated structure of the interior member 13 can provide a heat insulation effect in addition to a decoration effect on the interior surface and a noise reduction effect by the sound absorbing and sound insulating layers.
- the outer panel 11 is fixed in advance to the cab frame 2, 2, by welding or the like, and the panel base material 14, the sound absorbing foam layer 15 and the skin material 16 are combined.
- the internal member 13 may be arranged later.
- FIG. 3 shows a sectional configuration diagram of an interior member and a wall member according to the second embodiment of the present invention.
- the wall member 1OA of this embodiment is obtained by adding an internal sound absorbing foam layer to the configuration of the first embodiment.
- Other configurations are almost the same as those of the above-described embodiment, and the same components are denoted by the same reference numerals as those of the above-described embodiment, and detailed description thereof will be omitted.
- the surface side of the panel base material 14 An interior member 13 A in which a skin material 16 and a sound-absorbing foam layer 15 are laminated is provided on the inside of the driver's cab during use.
- the panel base material 14 and the outer plate 1 of the interior member 13 A are provided.
- the sound absorbing material (sound absorbing foam layer) 20 is attached to the skin material.
- a small hole is drilled from the surface to communicate with the outside, and a liquid sound-absorbing foam material is injected and hardened by reaction to be included.
- the sound absorbing foam layer 20 is formed of semi-rigid polyurethane having open cells or a low resilience polyurethane similarly to the case of forming the sound absorbing foam layer 15.
- the above-described functions and effects are obtained as a whole, and in addition to this, the sound absorbing foam layer 20 contained therein absorbs sound.
- the function is exhibited, and the sound absorbing effect can be further enhanced. Therefore, it is effective to use it for panels placed on the wall near the noise source.
- FIG. 4 shows a sectional configuration diagram of an interior member and a wall member according to a third embodiment of the present invention.
- the wall member 10 B of this embodiment has a structure in which the sound absorbing foam layer on the surface side of the interior member 13 B is eliminated, and the sound absorbing foam layer 20 is disposed in the hollow portion 19 of the panel base material 14. It is. Therefore, the same reference numerals are given to the respective portions as those of the above-described embodiment, and the detailed description is omitted.
- the sound absorbing effect is lower than that of the configuration of the second embodiment because there is no sound absorbing foam layer on the surface layer side.
- the sound absorbing and foaming layer 20 and the outer plate 11 included therein can exhibit sound absorbing and sound insulating functions, and can also have the aforementioned additional functions (heat insulation and decorative properties). The cost can be reduced by omitting the sound absorbing foam layer.
- FIG. 5 shows a sectional configuration diagram of an interior member and a wall member according to a fourth embodiment of the present invention.
- the wall member 10C of the fourth embodiment basically has a configuration in which a sound absorbing layer is included in the first embodiment. Therefore, portions having the same structure as the above embodiment are denoted by the same reference numerals, and detailed description is omitted.
- the wall member 10C of this embodiment is included in the hollow portion 19 formed between the panel base material 14 (polyurethane resin) and the outer wall 11 among the members constituting the interior member 13C.
- the sound-absorbing material (sound-absorbing layer) 20 ′ insert a material that has been block-formed in advance with a foam resin material (for example, semi-rigid polyurethane with open cells, urethane foam, etc.) to match the shape of the cavity 19 Be composed.
- the hollow portion 19 is filled with an amorphous sound absorbing material (for example, glass wool, PET wool, plastic recycled wool, etc., which is used alone or in combination of two or more).
- the sound absorbing layer 20 ′ may be formed and included.
- a separately prepared sound absorbing material block or an amorphous sound absorbing material is inserted into the hollow portion 19 to form a sound absorbing layer. Since it is configured to include 20 ', the sound absorbing properties of the sound absorbing material included therein can be selected and formed, and the sound absorbing effect can be enhanced. Also, since it is not a time-consuming method to inject and fill the sound absorbing material from the outside after connecting the interior member 13 C and the outer plate 11, the finish is beautiful without damaging the skin material 16. There is an advantage that can be done.
- FIG. 6 shows a sectional configuration diagram of an interior member and a wall member according to a fifth embodiment of the present invention.
- the wall member 10D of the fifth embodiment is different from the wall member of the third embodiment in that the interior member 13D having no sound absorbing foam layer inside the skin material 16 has a panel base material.
- a foamed resin material for example, semi-rigid polyurethane with open cells, It is constructed by inserting a block formed in advance according to the shape of the hollow portion 19 using urethane foam or the like.
- the hollow portion 19 is filled with an amorphous sound absorbing material (for example, glass wool, PET wool, plastic recycled wool, or the like, used alone or in combination of two or more).
- the sound absorbing layer 20 ′ may be formed and included.
- FIG. 7 shows a sectional configuration view of an interior member and a wall member according to a sixth embodiment of the present invention.
- the wall member 10E of the sixth embodiment has a configuration in which an iron plate is included in the interior member 13E, and the other components are basically the same as the wall member of the first embodiment.
- the configuration is almost the same. Therefore, components that are the same or similar in configuration are denoted by the same reference numerals as those in the above-described embodiment, and detailed description is omitted.
- the wall member 10 E is formed by laminating the skin material 16, the sound-absorbing foam layer 15, and the panel base material 14, which constitute the interior member 13 E, along with the end face of the panel base material 14.
- An iron plate 22 is attached, and the outer plate 11 is connected to the outer plate 11 via the iron plate 22 with a clip 18.
- a plurality of clips 18 for this connection are inserted into the base member 14 in a molding process of the panel base material 14 or implanted later, and a plurality of clips 18 are provided at required positions.
- the iron plate 22 is provided with a mounting hole for coupling with the clip 18 so as to match the end face of the panel base material 14 and the iron plate 22 with an adhesive.
- the clip 18 is fitted into the joint hole provided in the iron plate 22 to be integrated.
- the clip 18 thus formed is fitted into an engagement hole provided in advance in a reinforcing longitudinal member 12 attached to the inner surface side of the outer plate 11, thereby forming the outer plate 11.
- the interior member 13E is integrally connected to the inner surface side.
- the interior member 13 E and the wall member 10 E thus configured exhibit the above-described function by the laminated structure, and furthermore, the outer plate 11 and the iron plate 2
- a noise insulation function is added by generating multiple reflections of noise in the space 2, and the noise level that enters the cab from the outside can be reduced.
- the dual structure of the enclosed steel plate 22 and the outer plate 11 serving as a sound insulation plate increases rigidity and slightly increases the weight, but the handling becomes easier, and the cross-sectional strength is increased, so the external structure is improved.
- the effect of adding a function to protect the inside of the cab when receiving a heavy load from the vehicle is obtained.
- the iron plate 22 may be a metal plate of another material as long as it has the same sound insulation function.
- the iron plate 22 is configured to be included in the interior member 13E, the iron plate 22 may be provided in advance on the outer plate 11 side.
- the clip 18 connects the iron plate 22 to the interior member 13E in the same manner as in the case where the engagement holes are provided in the iron plate 22 and the interior member is coupled to the outer plate 11. Even when the iron plate 22 is previously provided on the outer plate 11 side, it has a function as a sound insulation plate and a function to enhance Oka I ⁇ .
- FIG. 8 shows a sectional configuration diagram of an interior member and a wall member according to a seventh embodiment of the present invention.
- the basic configuration of the wall member 1OF of the seventh embodiment is the same as that of the second embodiment, except that a foamed resin material (for example, structural or hard polyurethane resin) is used for the outer surface of the outer plate 11. It has a three-dimensional outer layer (polyurethane resin layer) 25 and is provided with an outer plate part 11 A to which a laminated structure is added.
- a foamed resin material for example, structural or hard polyurethane resin
- the same reference numerals as in the above embodiment denote the same or similar parts as those in the above embodiment, and a detailed description thereof will be omitted.
- the skin layer 25a of the outer plate portion 11A has a coating quality (for example, the skin layer 25a is formed of a resin layer containing a coating film or a paint), and is formed on a convex curved surface. It is effective when used as an exterior panel in the driver's cab to provide weather resistance and enhance the aesthetics in a design-like manner. Also, considering the deformation due to external force, It may be formed of a hard material. Further, the interior member 13F is configured in the same manner as described above, and a sound absorbing foam layer 20 is formed in a hollow portion 19 formed between the panel base material 14 and the outer plate (iron plate) 11. Injection formed.
- a coating quality for example, the skin layer 25a is formed of a resin layer containing a coating film or a paint
- the interior member 13F and the wall member 1OF of this embodiment have the same functions and effects as those of the second embodiment, and the appearance of the exterior member 11A is added by adding the outer plate portion 11A. It has a synergistic effect in which the aesthetic effect of the heat insulation and the sound insulation effect by the addition thereof are more effectively enhanced.
- FIG. 9 shows a sectional configuration view of an interior member and a wall member according to the eighth embodiment of the present invention.
- the wall member 10G of the eighth embodiment is basically similar to the configuration of the third embodiment, and is formed by assembling an interior member 130 including an iron plate 22 and an outer plate 11 therein. It is a combination. Therefore, parts that are the same as or similar to those described above are denoted by the same reference numerals as those described above, and detailed description thereof is omitted.
- the wall member 10G of the present embodiment has a skin material 16 directly formed on the surface side of a panel base material 14 formed to have a required shape and dimensions.
- the iron plate 22 is adhered and joined by a plurality of clips 18, and a cavity 19 formed between the iron plate 22 and the panel base material 14 is filled with a sound absorbing foam layer 20.
- the interior member 13G is formed by the outer plate 11 reinforced with the longitudinal member 12 and the clip 18 and provided on the longitudinal member 12. In this configuration, the engaging hole and the clip 18 are engaged with each other and connected.
- the interior member 13 G and the wall member 10 G thus configured, basically the same operation and effect as those of the third embodiment are obtained, and additionally, the vibration suppression and sound insulation by the enclosed iron plate 22 are provided.
- the effect is imparted, and the sound absorbing / sound insulating function can be exerted by the sound absorbing / foaming layer 20 that is included even without the sound absorbing / foaming layer immediately below the skin material 16.
- FIG. 10 shows a sectional configuration diagram of an interior member and a wall member according to a ninth embodiment of the present invention.
- the wall member 10H of the ninth embodiment has the same basic configuration as that of the first embodiment, except that an interior member 13H including an iron plate 22 and an outer plate 11 are combined. It becomes. Therefore, parts that are the same as or similar to those described above are denoted by the same reference numerals as those described above, and detailed description thereof is omitted.
- the wall member 10 H is provided with an interior member 13 H formed by laminating a skin material 16, a sound absorbing foam layer 15, and a panel base material 14, and an iron plate 2 on the end face of the panel base material 14.
- the sound absorbing layer 26 of FIG. 1 is attached and included, and is connected to the iron plate 22 with the clip 18 planted on the end face of the panel base material 14, and the longitudinal member 12 of the outer plate 11 is also as described above. Further, a space 24 formed between the iron plate 22 and the outer plate 11 is filled with a foamed resin material serving as a sound absorbing material as described above to open cells.
- the interior member 13 H and the wall member 10 H configured as described above have, in addition to the above-described operational effects, the sound absorbing layer 26 formed between the inner iron plate 22 and the outer plate 11.
- the sound absorbing layer 26 formed between the inner iron plate 22 and the outer plate 11.
- FIG. 11 shows an external perspective view (a) showing a specific application example of the interior member according to the present invention and a view (b) as viewed from the back side thereof.
- the interior member 13M of this embodiment is disposed on the right side of the driver's seat in the operator's cab of the construction machine. Are selected and used.
- the air conditioning duct 17 (without the closing member 17 'attached) Are formed, and a large number of reinforcing ribs 28 are arranged so as to have a strength capable of maintaining the overall shape.
- the cross-sectional structure of the interior member is an adaptation of the interior member structure of the first to sixth and eighth embodiments described above (for example, a structure in which the degree of the noise reduction effect matches the purpose). , Etc.) can be adopted.
- a mounting portion of a device to be attached (for example, a monitor mounting portion 31), an ashtray mounting portion 32, a cup holder mounting portion 33, and the like can be integrally formed at important points.
- a wire harness assembling groove 34 for electrical wiring for the equipment to be attached so as to cut into the rib 28, the wiring can be fitted into these assembling grooves 34 during wiring work. It can be assembled without the need for special fasteners. Since the electric wiring member is fitted into and fixed to the mounting portion of the electric wiring member including the arrangement channel of the electric wiring cord and the holder portion of the connector represented by the wiring harness assembling groove 34, the work with much vibration is performed.
- the vehicle can be fixed stably, preventing electrical trouble, and achieving modularity of parts, reducing the number of assembly steps.
- FIGS. 12 (a) to 12 (c) are diagrams showing the procedure for forming the interior member
- FIGS. 13 (a) to 13 (c) are diagrams showing an example of the assembly procedure for the interior member.
- a counter mold 50 upper die 51 and lower die 52
- injection molding also known as RIM molding, a type of low-pressure molding
- the closing member 17 ′ of the duct 17 integrally formed with the panel base material 14 can be formed at the same time. This is effective because the panel base material 14 and the duct closing member 17 ′ can be formed at once by a single molding.
- the material to be the skin material 16 forming the interior surface is preformed in a separate molding die by a vacuum molding method (thermoforming method).
- a vacuum molding method thermoforming method
- the skin material 1 obtained by separately molding the lower mold 56 using a separate mold 54 (upper mold 55 and lower mold 56). 6 is set on the lower mold 5 6 surface.
- the upper mold 55 is set with the previously formed panel base material 14, and the lower mold 56 and the upper mold 55 are combined with each other to form a gap between the skin material 16 and the panel base 14.
- a gap (cavity 15a) corresponding to the thickness of the sound-absorbing material (sound-absorbing foam layer) 15 is formed.
- semi-hard polyurethane or low-repulsion urethane or the like which creates open cells, is injected into the cavity 15a formed between the panel base material 14 and the skin material 16 to form the panel base material 14 and the skin material. 16 and the sound absorbing foam layer 15 are integrated (see Fig. 12 (c)).
- the interior member 13 obtained in this manner is bonded to the open portion of the duct 17 formed simultaneously with the molding of the panel base material 14 by bonding the closing member 17 ′ using an adhesive.
- the duct 17 is formed (see Fig. 13 (a)).
- an expanding clip 18 serving as a mounting member is fixedly implanted in a direction perpendicular to the end face.
- the clip 18 is fitted into a predetermined mounting hole with respect to the outer plate 11 integrally provided with the reinforcing longitudinal member 12 and the mounting seat 12 a on the inner surface side.
- the interior member 13 created in the above step is attached and integrated.
- the wall member 10 described in the first embodiment can be manufactured. (See Fig. 13 (b)).
- the wall member in which the outer plate 11 and the interior member 13 are integrally connected by the clip 18 in the above-mentioned step (FIG. 13 (b)).
- a small hole is drilled from the surface of the skin material 16 to communicate with the outside, and a chemical liquid injector (illustrated) (Abbreviated, indicated by arrow P) Inject a liquid sound-absorbing foam material using injection means having a structure similar to that of a syringe, and allow it to react and harden.
- the sound absorbing foam layer 20 is formed in the hollow portion 19, and the wall member 1OA having the configuration described in the second embodiment can be obtained.
- the sound-absorbing foam layer 20 can be formed after the panel base material 14 and the outer plate 11 are joined, and there is a cavity having a complicated shape inside the interior member 13.
- the adhesiveness between the interior member 13 and the outer plate 11 can be enhanced due to the reaction of the injected liquid sound absorbing foam material.
- the interior member and the method for molding the same by forming the interior member 13 in combination with the molding by the reaction injection molding method and the thermoforming method, a resin mold is used for the molding die required for the molding. Since no conventional mold is required, the cost of the mold is significantly reduced.As a result, the molding cost can be reduced. Can be obtained at Then, the assembling work is easy, and the working process can be shortened and rationalized. In addition, noise reduction due to sound insulation and sound absorption can be reduced, and propagation of the outside air temperature to the air conditioning can be reduced to improve the livability in the driving room.
- the structural functions of the air-conditioning duct should be enhanced so that related equipment can be operated efficiently.
- the functions of related devices can be improved in addition to the characteristics of the interior member itself.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/559,978 US7575266B2 (en) | 2003-06-11 | 2004-06-08 | Interior member for cab of work vehicle and method for forming same as well as wall member |
DE112004001016T DE112004001016T5 (de) | 2003-06-11 | 2004-06-08 | Innenraum einer Kabine eines Arbeitsfahrzeuges und Verfahren zu dessen Ausbildung und zur Ausbildung eines Wandelements |
GB0526311A GB2418246B (en) | 2003-06-11 | 2004-06-08 | Interior member for cab of work vehicle and method for forming same, as well as wall member |
JP2005506950A JPWO2004110819A1 (ja) | 2003-06-11 | 2004-06-08 | 作業車両運転室の内装部材とその成形方法および壁部材 |
US11/836,291 US7686992B2 (en) | 2003-06-11 | 2007-08-09 | Interior member for cab of work vehicle and method for forming same, as well as wall member |
US12/421,304 US7753426B2 (en) | 2003-06-11 | 2009-04-09 | Interior member for cab of work vehicle and method for forming same, as well as wall member |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003166687 | 2003-06-11 | ||
JP2003-166687 | 2003-06-11 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/559,978 A-371-Of-International US7575266B2 (en) | 2003-06-11 | 2004-06-08 | Interior member for cab of work vehicle and method for forming same as well as wall member |
US12/421,304 Continuation US7753426B2 (en) | 2003-06-11 | 2009-04-09 | Interior member for cab of work vehicle and method for forming same, as well as wall member |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004110819A1 true WO2004110819A1 (ja) | 2004-12-23 |
Family
ID=33549265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/008275 WO2004110819A1 (ja) | 2003-06-11 | 2004-06-08 | 作業車両運転室の内装部材とその成形方法および壁部材 |
Country Status (7)
Country | Link |
---|---|
US (3) | US7575266B2 (ja) |
JP (1) | JPWO2004110819A1 (ja) |
KR (1) | KR20060008335A (ja) |
CN (1) | CN100372704C (ja) |
DE (1) | DE112004001016T5 (ja) |
GB (1) | GB2418246B (ja) |
WO (1) | WO2004110819A1 (ja) |
Cited By (1)
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CN108583499A (zh) * | 2018-05-23 | 2018-09-28 | 合肥宏立至信汽车部件制造有限公司 | 一种防止前排座椅侧气囊爆破飞溅物超重的泡沫结构 |
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JP5124157B2 (ja) * | 2007-04-12 | 2013-01-23 | 株式会社クボタ | キャビン付き走行車両 |
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KR20130135246A (ko) * | 2010-10-20 | 2013-12-10 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설장비용 전복방지구조 캡 |
CN103434456B (zh) * | 2013-08-09 | 2015-09-23 | 无锡吉兴汽车声学部件科技有限公司 | 一种汽车带空调管地毯下隔音垫的生产方法 |
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JP6177840B2 (ja) * | 2014-12-19 | 2017-08-09 | 豊田鉄工株式会社 | 重ね合わせ複合内装部品 |
USD751123S1 (en) | 2014-12-19 | 2016-03-08 | One Fifty Labs Inc. | Operator cab |
KR102411790B1 (ko) * | 2015-03-20 | 2022-06-22 | 현대두산인프라코어 주식회사 | 소음 저감 장치 및 이를 갖는 건설기계의 캐빈 |
DE102015210485A1 (de) | 2015-06-09 | 2016-12-15 | Bayerische Motoren Werke Aktiengesellschaft | Kraftfahrzeug |
WO2019005880A1 (en) | 2017-06-27 | 2019-01-03 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | VEHICLE INTERIOR COMPONENT |
JP7195105B2 (ja) * | 2018-10-09 | 2022-12-23 | 株式会社小松製作所 | キャブ及び作業機械 |
CN109435866B (zh) * | 2018-12-24 | 2024-02-06 | 吉林大学 | 一种汽车驾驶室吸声装置及其控制方法 |
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2007
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CN108583499A (zh) * | 2018-05-23 | 2018-09-28 | 合肥宏立至信汽车部件制造有限公司 | 一种防止前排座椅侧气囊爆破飞溅物超重的泡沫结构 |
Also Published As
Publication number | Publication date |
---|---|
US7575266B2 (en) | 2009-08-18 |
GB2418246B (en) | 2007-12-27 |
US7686992B2 (en) | 2010-03-30 |
GB2418246A (en) | 2006-03-22 |
CN100372704C (zh) | 2008-03-05 |
JPWO2004110819A1 (ja) | 2006-07-20 |
US20090200826A1 (en) | 2009-08-13 |
DE112004001016T5 (de) | 2006-04-20 |
CN1802276A (zh) | 2006-07-12 |
GB0526311D0 (en) | 2006-02-01 |
US7753426B2 (en) | 2010-07-13 |
US20070278826A1 (en) | 2007-12-06 |
KR20060008335A (ko) | 2006-01-26 |
US20070096491A1 (en) | 2007-05-03 |
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