WO2007099691A1 - 消音装置及びその取付方法 - Google Patents
消音装置及びその取付方法 Download PDFInfo
- Publication number
- WO2007099691A1 WO2007099691A1 PCT/JP2006/326279 JP2006326279W WO2007099691A1 WO 2007099691 A1 WO2007099691 A1 WO 2007099691A1 JP 2006326279 W JP2006326279 W JP 2006326279W WO 2007099691 A1 WO2007099691 A1 WO 2007099691A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silencer
- state
- fuel tank
- opening
- tank
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/52—Anti-slosh devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/0344—Arrangements or special measures related to fuel tanks or fuel handling comprising baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/03453—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/03453—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together
- B60K2015/03467—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together by clip or snap fit fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
- B60K2015/0775—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation for reducing movement or slash noise of fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the present invention relates to a silencer that is mounted in a fuel tank and relaxes and absorbs sound associated with undulation of fuel and the like, and a mounting method thereof.
- FIG. 17 (a) and 17 (b) show an example disclosed in Patent Document 1
- FIG. 17 (a) is a perspective view of the fuel tank
- FIG. 17 (b) is a cross-sectional view along the line aa.
- a tank body T is integrally formed by blow molding, and has an opening E for attaching a unit gauge, etc., and stays S are projected at a plurality of locations in the tank.
- the silencer (baffle) 100 has a mounting hole 101 penetrating in the thickness direction. After being inserted into the tank from the opening E, the mounting hole 101 is inserted into the stay S and the stub is inserted. It is fixed by attaching clip C to the protruding tip of tape S.
- Patent Document 1 Japanese Patent No. 3555335
- the conventional silencer 100 as described above is limited in terms of width and length because the force such as the opening E for mounting the unit gauge provided in the tank body T is inserted into the tank and mounted. Has been. This is a force that, for example, as the fuel tank becomes thinner, the silencer cannot be attached by interfering with the bottom surface of the tank when the tank side opening force is inserted. For this reason, in the past, measures have been taken such as reducing the length of the silencer and increasing the number of units used.
- the present invention solves the above-described problems and expands the degree of freedom of the size of the silencer, thereby maintaining good mounting operability even when the length of the silencer is increased.
- the purpose of the present invention is to provide a silencing device with excellent silencing characteristics and its mounting method.
- the muffler absorbs and absorbs the sound generated by the shaking of the fuel in the fuel tank in a state where the fuel tank is inserted and attached from the opening provided in the fuel tank.
- the silencer has a three-dimensional shape having a width dimension portion smaller than an opening width of the opening portion and a length dimension portion larger than the opening width, and the length dimension portion serves as a connecting portion. It is characterized by comprising a plurality of mufflers connected in the middle of the length direction.
- the plurality of silencers can be rotated between the first state and the second state via the connecting portion, and the first state or Holding means for holding the second state and making it impossible to rotate;
- the holding means is configured such that the plurality of muffler portions are brought into the first state or the second state via the connecting portions; It is impossible to rotate in conjunction with the operation to be switched, the holding means also has the function of the connecting portion, and the silencer engages with a stud protruding from the fuel tank.
- the engaging portion is integrally provided, or that the engaging portion is provided so as to be able to absorb variations in the protruding position of the stud.
- the noise generated by the shaking of the fuel in the fuel tank is mitigated in a state where the fuel tank is inserted and attached through the opening provided in the fuel tank.
- a bending step of bending the silencer halfway in the longitudinal direction to a first state; and the silencer from the opening in the fuel tank in the first state An insertion step of inserting the silencer into the fuel tank, a re-bending step of bending the silencer from the first state to the second state of use, and an attachment step of attaching the silencer into the fuel tank. It is characterized by going through.
- the attachment step is performed continuously with an operation of bending the silencer to the second state in the re-bending step.
- the length dimension portion of the silencer is composed of a plurality of silencers connected in the lengthwise direction via a connecting part, and is therefore exemplified in each form. It is possible to connect multiple silencers at an angle so that they can be easily inserted into the tank. By installing it on the side, it is possible to obtain ease of mounting in the tank and versatility of the tank shape, and as shown in the second form, the connection angle between the main side and the sub side (the direction of the silencer, etc.) ) Can be used to provide the optimum silencing characteristics according to the tank shape.
- the silencer according to the present invention for example, it is preferable to obtain an optimum silencer characteristic.
- the plurality of silencers are made unrotatable by the holding means in the state (first state or second state).
- the optimal silencing characteristics can be reliably maintained.
- the holding means inserts the silencing device into the fuel tank and disables the plurality of silencing portions in conjunction with an operation for switching to a preferable state in order to obtain the optimum silencing characteristics in the tank, the fuel tank Workability can be improved.
- the holding means also serves as a connecting function, it can be simplified as compared to separately providing the holding means and the connecting portion. Further, when the silencer is attached in a state where the engaging portion is engaged with the stud in the fuel tank, for example, a member corresponding to a conventional clip can be eliminated, and a good attachment operation can be easily realized. In addition, if the silencer can be installed even if the protruding position of the stud is shifted! /, The accuracy of the stud mounting position can be eased and the occurrence of defects can be reduced.
- the insertability into the fuel tank can be maintained satisfactorily, or the mounted state (used state). To achieve excellent sound deadening characteristics.
- the attaching step is performed continuously with the operation of bending the silencer in the second state in the rebending step, the attachment operability of the silencer can be improved.
- FIG. 1 is a schematic external view showing a muffler according to a first embodiment of the present invention arranged on a straight line.
- FIG. 2 (a) and (b) are a tank installation state diagram of the silencer and an AA line enlarged cross-sectional view thereof.
- FIG. 3] (a) to (c) are schematic views showing an example of a mounting procedure of the silencer.
- FIG. 4 is a front view showing the muffler arranged in a straight line.
- FIG. 5 is a top view showing the muffler arranged in a straight line.
- FIG. 6 (a) and (b) are a right side view and a left side view of the silencer.
- FIG. 7] (a) and (b) are an enlarged sectional view taken along line BB and an enlarged sectional view taken along line CC in Fig. 4, respectively.
- FIG. 8 (a) and (b) are schematic enlarged views showing the holding means in a locked state and an unlocked state taken along the line DD in FIG.
- FIG. 9 is a tank mounting state and an enlarged cross-sectional view showing a silencer according to a second embodiment of the present invention.
- FIG. 10 is a front view showing the silencer of FIG. 9 in use.
- FIG. 11 is a top view showing the silencer of FIG. 9 in use.
- FIG. 12 is a bottom view showing the silencer of FIG. 9 in use.
- FIG. 13 (a) is a cross-sectional view taken along the line CC of FIG. 11, and (b) and (c) are reference views when rotated through the hinge portion.
- FIG. 14 (a) and (b) are an enlarged cross-sectional view taken along line AA in FIG. 10 and an enlarged view with the coupler removed.
- FIG. 15 (a) and (b) are an enlarged cross-sectional view taken along the line BB in FIG. 10 and an enlarged view with the coupler removed.
- FIG. 16] (a) to (d) are front, right end and sectional views taken along lines D-D and E-E in FIG. 16 (b) showing the connector of FIGS. 14 (a) and 14 (b).
- FIG. 17 (a) and (b) are explanatory diagrams of the silencer disclosed in Patent Document 1.
- FIGS. 9 to 16 (d) show the second embodiment.
- the device structure of the first form, the method for mounting on the tank body side, the device structure of the second form, and the method for mounting on the tank body side will be described in detail.
- the silencer 1 shown in FIGS. 1 to 8 (b) is inserted into the tank through an opening E of a tank main body that constitutes the fuel tank and It is attached to the stud 9 that is protruding.
- the three-dimensional shape is a width dimension portion that is smaller than the opening width of the opening E.
- X and a length dimension part larger than the opening width of the tank body side opening E (If the three-dimensional shape is divided into the minor axis direction and the major axis direction, it is inserted into the tank body side opening.
- a plurality of muffler parts having a length dimension part Y connected in the longitudinal direction via a hinge part 3 and a holding means 4 as a connection part.
- the silencer 1 has a length dimension portion Y larger than the opening width of the opening E as a three-dimensional shape.
- This length dimension part Y is connected to the first state and the second state via the hinge part 3 so that the plurality of muffler parts 2A, 2B can rotate in the middle of the length direction. It has holding means 4 for holding the first state or the second state and making it unrotatable.
- the tank body T is a resin-molded product blow-molded as in Patent Document 1, and has a unit gauge mounting opening E or an opening similar thereto.
- a plurality of studs 9 for mounting the silencer 1 are erected on the mounting wall of the tank body T.
- each stud 9 has a head 9a that is fixed to the outer surface of the mounting wall by welding or the like, and a through-hole force tank that protrudes from the head 9a and is provided on the mounting wall.
- the shaft portion 9b inserted into the shaft portion and a plurality of elastic locking blades 9c provided at substantially equal intervals from the middle of the shaft portion 9b to the tip are integrally formed.
- the silencer 2A, 2B has a substantially inverted L-shaped longitudinal section, the silencer 2A is the main side, and is composed of the horizontal plate 10 and the vertical plate 20, and the silencer 2B is the sub-side. It consists of a horizontal plate part 25 and a vertical plate part 26 that are integrally formed.
- the horizontal plate 10, the vertical plate 20, and the sound deadening portion 2B are all formed from a resin molded body such as POM (polyacetal).
- the horizontal plate 10 is formed in a laterally arranged manner attached to the back side while being formed one step lower on both sides in the longitudinal direction as shown in Figs.
- the connection piece 11 is provided, and two engagement protrusions 12 are formed on the outer surface of the connection piece 11.
- the horizontal plate 10 has a plurality of through-holes 13 penetrating the upper and lower surfaces with respect to the portions excluding the two lower side portions, a plurality of projecting portions 14 projecting from the lower surface, and the upper front edge.
- two cylindrical parts 15A and 15B that protrude from the lower surface to both sides that are one step lower, and the upper opening ends of the cylindrical parts 15A and 15B.
- the guide recesses 16A and 16B which are recessed in the upper surface width direction, and the side wall 18 on the side connected to the silencer 2B are integrally formed.
- 1 Oa ⁇ : LOd is a reinforcing rib.
- the vertical plate 20 has two frame-like portions 21 projecting from the front surface, and each engaging projection 12 is inserted into the corresponding frame-like portion 21 to be provided on the frame-like portion 21. It is connected to the horizontal plate 10 in a state where it is inertially locked in the locked locking hole 22.
- the vertical plate 20 includes a plurality of through holes 23 penetrating the front and rear surfaces, a number of projecting portions 24 projecting from the front surface, and a connecting frame 20a provided on one side connecting to the silencer 2B. It has one.
- the connecting frame 20a engages with the protrusion 18a provided on the side wall 18 in a state where the horizontal plate 10 and the vertical plate 20 are connected through the engagement of the engaging protrusion 12 and the locking hole 22.
- the through holes 13 and 23 are provided as small circular holes having the same diameter at substantially equal intervals in the left and right and front and rear, or both left and right and top and bottom.
- the protrusions 14 and 24 are provided at an approximately equal interval both left and right and front and rear, or left and right and top and bottom, and arranged so as to surround one through hole 13 and 23 with four protrusions 14 and 24.
- the shape of the protrusions 14 and 24 is a conical shape with a hollowed inner side, but may be any shape that becomes thinner toward the distal end of the proximal side force.
- the height of the protrusions 14 and 24 is set appropriately.
- the cylindrical portions 15A and 15B have a rectangular frame shape in cross section.
- an engagement piece 19 is formed in a body. That is, the engagement piece portion 19 protrudes downward from the opposing inner surface in the width direction among the rectangular inner surfaces.
- the cylindrical portion 15A is formed to be longer in the longitudinal direction than the cylindrical portion 15B, and the plate width dimension of each engagement piece portion 19 is wider by the length. Is formed. This is because, for example, even when the mounting positions of the studs 9 and the distance between the studs 9 are slightly deviated from the design value force, the studs 9 can be inserted into the cylindrical portions 15A and 15B downward from the cylinder. It is the structure to do.
- the guide recesses 16A and 16B are provided so as to pass through the cylindrical hole entrances of the respective cylindrical portions 15A and 15B, and are stepped walls that are lowered by one step as described above. It is defined by 16c, 16c and ribs 16d and 16e protruding opposite to the stepped wall.
- the guide recess 16A is provided in an inclined state so that the width of the recess increases as the rib 16d moves forward.
- This is a guide structure in which each stud 9 is guided by the guide recess and the rib 16e so that it can easily enter the cylindrical portions 15A and 15B when the silencer 2A is placed in the tank body and is mounted by a blinding operation. It is.
- Standing wall 17 has a silencer 2A against the tank body mounting wall. It is a rib for enabling arrangement with a gap.
- the horizontal plate 25 corresponds to the horizontal plate 10, and the vertical plates with the side walls 25a and 25b projecting downward on both sides and a gap on the rear side.
- the vertical plate portion 26 corresponds to the vertical plate 20, and includes a plurality of through holes 28 penetrating the front and rear surfaces, and a plurality of projecting portions 29 protruding from the front surface.
- the hinge part 3 and the holding means 4 are provided between the side wall 18 of the silencer 2A and the side wall 25a of the silencer 2B. Located on the upper side, the holding means 4 is located on the lower side.
- the hinge portion 3 projects three support ribs 30, 31, 30 at equal intervals in the width direction with respect to the side surface 18, and supports each of them.
- the shaft portion 34 is provided between the rib 30 and the support rib 31, and the hook portion 35 that is rotatably fitted to the shaft portion 34 with respect to the side wall 25 a is provided.
- the silencer 2A and the silencer 2B can be rotated by a predetermined angle (approximately 90 degrees in this example). From the first state where the silencer 2B is rotated approximately 90 degrees upward relative to the silencer 2A, the reaction posture when the silencer 2B is brought into contact with the inner surface of the tank The rotation can be switched to the second state.
- the holding means 4 has a first engaging portion 40 and a second engaging portion 42 protruding from the side wall 18 and a side wall 25a.
- a first locking part 45 for engaging / disengaging the first engaging part 40 and a second locking part 47 for engaging / disengaging the second engaging part 42 are provided.
- FIG. 8 (b) shows the engaging portions 40, 42 and the locking portions 45, 47 as viewed from above. That is, the first engaging portion 40 has a claw portion 41 that protrudes substantially U-shaped with respect to the side wall 18 and is provided on the inner side of the U-shape and protrudes downward.
- the second engaging portion 42 is located on the rear side of the first engaging portion 40, and has a claw portion 43 that protrudes in a plate shape with respect to the side wall 18 and that is provided at the tip and protrudes to the front side.
- the first locking portion 45 protrudes in a substantially rectangular frame shape with respect to the side wall 25a, and when the first engagement portion 40 is inserted in the rectangular frame shape while being displaced in a direction to retract the claw portion 41, the claw With the part 41 returned to its original state, it is locked to the front end surface forming the lower step 46 in the rectangular frame shape.
- the second locking portion 47 is provided in the form of a vertical rib on the rear end side of the rectangular frame shape described above, and has a stepped claw portion 48 that engages with and disengages from the claw portion 43, and the second engagement portion 42 is When approaching, the claw portion 43 of the second engagement portion 42 is locked by moving over the claw portion 48 with elastic displacement. Further, in this structure, the first engaging portion 40 and the second engaging portion 42 together with the first engaging portion 45 and the second engaging portion 47 hold the silencer 2A and the silencer 2B in a substantially linear shape. In addition to constituting the holding means, the second engaging portion 42 is brought into contact with the front end surface of the second locking portion 47 when the silencer is inserted into the tank.
- the holding means 4 described above may be provided with the locking portions 45 and 47 for the side wall 18 and the engaging portions 40 and 42 for the side wall 25a.
- the silencer 1 described above has an opening E force inserted into the tank body T and previously protruded from the mounting wall through two cylindrical studs 15A and 15B. It is attached. In this mounting operation, the bending process in which the silencer 1 (the silencer 2A, 2B) is bent at a predetermined angle via the hinge part 3 to be in the first state of the insertion posture, as shown in FIG. 3 (a).
- the silencer 1 (the silencer 2A, 2B) is inserted into the opening E force tank body T in the first state, and the silencer in the tank body T as shown in FIG. Fig.
- FIG. 3 (c) shows the rebending process of bending 1 (silencer 2A, 2B) from the first state to the second state of use, and silencer 1 (silencer 2A, 2B). It goes through the mounting process to attach it to the stud 9 in the tank body T.
- the silencer 2B is rotated by a predetermined angle with respect to the silencer 2A with the hinge 3 as a fulcrum, and is switched to the first state.
- the first state is a preferred mode for inserting the silencer 1 into the opening E force tank body T, and in this example, it is about 45 degrees.
- the silencer 2A is held in the hand and inserted from the silencer 2B side to the stud 9 side in the tank body T, and the silencer 2A is also inserted into the tank body T.
- the rotation is switched from the first state to the second state using a downward reaction force generated when the end of the muffler 2B comes into contact with the inner surface of the tank body.
- the second state is the usage posture of the silencer 1, and the silencer 2A and the silencer 2B are arranged on a straight line.
- the silencer 2A and the silencer 2B are connected to the holding means 4 (the claw 41 of the first engagement part 40 is the step 46 of the first engagement part 45).
- the claw portion 43 of the second engagement portion 42 is engaged with the second engagement portion 47. And is held in the second state via the claw portion 48).
- the next mounting process is performed continuously, and the silencer 2A is guided by the rib 16e and guided by the guide recesses 16A and 16B. 15A and 15B are positioned to match the corresponding stud 9. Then, when the silencer 1 (the silencer 2A, 2B) is pressed toward the mounting wall, each stud 9 expands both the engagement pieces 19 of the cylindrical parts 15A, 15B while the engagement pieces are in contact with each other. In the state where the standing wall 17 is in contact with the mounting wall, the engaging piece portion 19 engages with the neck portion between the corresponding locking blades 9c, and the stud 9 is firmly fixed by this engagement. It is attached to.
- a plurality of silencer portions 2A, 2B forming a length dimension portion of the silencer 1 are bent via the hinge portion 3 to be inserted into the fuel tank. It is possible to change between the most preferred state and the preferred state in order to obtain the optimum silencing characteristics. For this reason, in this silencer, for example, an opening E force is inserted into the fuel tank in the first state, and after insertion, the second state can be restored and attached to the inner wall of the tank.
- the device length can be made longer than that of conventional products, and good noise reduction characteristics can be imparted without increasing the number of units used. Also, as a mounting method on the tank side, even if the silencer 1 is longer than the conventional device, it can maintain good insertability into the fuel tank and can be easily mounted and installed. Excellent silencing characteristics in use).
- the silencer 1A shown in FIGS. 9 to 16 constitutes a fuel tank in the same manner as in the first mode, and has an opening for mounting a unit gauge or the like provided in the tank body T ( (Not shown) is inserted into the tank via the stud 9 and attached to the stud 9 projecting from the tank.
- the three-dimensional shape has a width dimension portion X smaller than the opening width of the tank body side opening, and a length dimension portion Y larger than the opening width of the tank body side opening.
- the length dimension portion Y is constituted by a plurality of silencers 5, 6 connected in the longitudinal direction via a holding means 8 also serving as a hinge.
- the silencer 1A has a length dimension Y larger than the opening width of the tank body side opening as a three-dimensional shape.
- the length dimension portion Y is connected to the first state and the second state by the hinge function of the holding means 8 so that the plurality of silencers 5 and 6 can rotate in the middle of the length direction.
- the first state or the second state is held by the holding function of the holding means 8 and cannot be rotated.
- the tank body T As shown in the schematic diagram on the side, a total of four studs 9 are projectingly provided on the tank body side mounting wall, two on each side for mounting two silencers 1A.
- Each stud 9 is integrally formed with a head portion 9a, a shaft portion 9b, and a plurality of elastic locking blades 9c, as in the first embodiment.
- the silencer 5 is on the main side and has a configuration in which a plurality of plates 50 and 51 are integrally laminated by a connector 7A.
- the silencer 6 is set on the sub-side, and has a configuration in which a plurality of plates 60 to 63 are integrally laminated by the coupler 7B.
- the material is a resin molded body such as POM together with each of the plates and the connecting tool.
- the plates 50 and 51 and the plates 60 to 63 are substantially rectangular rigid plates that are difficult to deform. The shape is greatly different between the inner plate (first plate) 50 or 60 disposed closest to the tank body side mounting wall and the other plates 51 and 61 to 63.
- the plates 61 to 63 are the same or similar in shape, an example of the plate 61 will be described.
- the inner plate 50 includes a plurality of through holes 53 penetrating the upper and lower surfaces of the plate and a number of protruding portions protruding on the lower surface of the plate, as shown in Figs. 54 and left and right cylindrical parts 55, 55, guide ribs 57a protruding from the top of the plate and vertical wall 57b for stopper, vertical wall 58 protruding downward from the rear edge of the plate, and both sides of the plate
- the pair of support pieces 50a and 50a are integrally formed so as to protrude from each other.
- the through holes 53 are provided as small circular holes at substantially equal intervals in the left and right and front and rear.
- the protrusions 54 are provided so as to be substantially equidistant in both the left and right and front and rear sides, and so as to surround one through hole 53 with four protrusions 54 except for the portion of the cylindrical part 55.
- the shape of the protruding portion 54 is a conical shape with a hollowed inner side, but any shape that narrows toward the distal end of the proximal side force may be used.
- Each cylindrical portion 55 has a substantially rectangular frame shape in cross section. As shown in FIGS.
- each cylindrical portion 55 has a locking hole 55a formed on the proximal end side and facing the rectangular front and rear walls, and a rectangular shape. And a pair of regulating ribs 56 projecting from the outer surfaces of the right and left walls. Further, the right cylindrical portion 55 is provided with a regulation rib 59 extending vertically so as to face the inner surfaces of the rectangular left and right walls.
- the locking hole 55a is formed as a substantially rectangular hole, and an elastic claw 72 of the connector 7A described later is locked here.
- the restricting rib 56 is a protrusion that keeps a distance from the plate 51 disposed below.
- the regulating rib 59 is a rib that guides the connector 7A.
- a restriction rib 59 is omitted from the left cylindrical portion 55.
- the guide rib 57a is provided on the rear side corresponding to the cylindrical hole entrance of each cylindrical portion 55, and when attaching the silencer 5 to the tank body side, each stud 9 is By making contact with the rib, it is easy to make it coincide with the opening of the cylindrical portion 55.
- the standing wall 57b is a rib for enabling the muffler 5 to be disposed with a clearance from the mounting wall on the tank body side.
- the vertical wall 58 is capable of stably holding the muffler 5 in a mounted state so that it does not rattle even when subjected to an impact by coming into contact with the corresponding part of the tank body side mounting wall.
- the plate 51 has a rectangular shape substantially the same size as the inner plate 50, and is provided in a plurality of through holes 51a, 51b penetrating the upper and lower surfaces and on the left and right.
- a connecting piece 52 to be inserted into the body.
- each through hole 51a is a circular hole having a size that allows the protrusion 54 to be inserted with play, and faces the corresponding protrusion 54 when the plate 51 is overlaid on the inner plate 50.
- Each through hole 51 b is provided in the same manner as the through hole 53, and faces the through hole 53 when the plate 51 is overlaid on the inner plate 50.
- the frame part 51c is a rectangular hole corresponding to the cylindrical part 55, and is bordered by regulating ribs 51d provided on the upper and lower surfaces. Since the plate 51 is stacked on the inner plate 50, the regulating rib 51d keeps the distance between the plate 50 and the plate 51 at a predetermined size in a state where each cylindrical portion 55 is inserted into the corresponding frame portion 51c.
- a claw 52a protrudes outward from the tip of the connecting piece 52 on both sides.
- the connector 7A has a substantially rectangular cylindrical shape, and includes an insertion portion 70a inserted into the cylindrical portion 55, and an upper portion of the insertion portion 70a. And a rectangular flange portion 71 projecting from the outer periphery of the cylinder so as to partition the insertion portion 70a and the gripping portion 70b.
- the elastic claw 72 provided on the opposing wall that defines the insertion portion 70a, and the elastic claw 72 of the opposing walls that define the insertion portion 70a are provided with V and the inner surface of the opposing wall. And an engaging piece 73 which protrudes from each other.
- the insertion portion 70a has such a dimension that the side on which the elastic claw 72 is formed is inserted into the cylindrical portion 55 without a gap.
- the side on which the engaging piece 73 is formed has the rib 59, the rib 59 is inserted along the rib 59 without any gap. If not, it will be inserted with a slight gap. Even when the projecting position of the stat 9 is slightly shifted or the distance between the studs 9 is slightly deviated from the design value force, the gap keeps the coupling 7A while maintaining the engagement between the elastic claw 72 and the locking hole 55a. Adjustable with respect to stud 9 by allowing fine movement.
- the gripping portion 70b is a place where the connecting tool 7A is gripped by a hand or a robot hand, and an engaging piece portion 73 projects from the inner surface.
- the flange portion 71 is in contact with the end surface of the cylindrical portion 55 in a state where the insertion portion 70a is inserted into the cylindrical portion 55 and the elastic claw 72 is engaged with the locking hole 55a. It acts as a retaining portion that prevents the plates 51 stacked through the plate from coming off.
- Each elastic claw 72 is partitioned by a substantially U-shaped slit in the lower part of the insertion part 70a, and elastically displaces inward while being inserted into the cylindrical part 55, and when it reaches the locking hole 55a, The state is restored to engage with the locking hole 55a.
- bosses 50b and 51g are provided at a plurality of locations on the opposing surfaces of the plates 50 and 51, and the distance corresponding to the bosses 50b and 51g with respect to the plate 51 force plate 50 is provided. It can be stacked while keeping
- the silencer 6 is disposed in a diagonally downward direction with the silencer 5 being disposed in the horizontal direction.
- the inner plate 60 penetrates through the front and rear surfaces of the plate, and includes a plurality of through holes 64, a plurality of projecting portions 65 projecting from the back surface of the plate, a central cylindrical portion 66, and a rib 67. Forming.
- the through holes 64 are provided as small circular holes at substantially equal intervals on both the left and right and top and bottom.
- the protrusions 65 are provided at substantially equal intervals in the left and right and upper and lower sides and so as to surround one through hole 64 with the four protrusions 65 except for the portion of the cylindrical part 66.
- the shape of the projecting portion 65 is a conical shape with a hollowed inner side, but may be any shape that becomes thinner toward the distal end of the proximal side force.
- the cylindrical portion 66 has a substantially rectangular frame shape penetrating in the front-rear direction, and is provided with a locking hole 66a formed on the base end side and facing the rectangular left and right walls, and outer surfaces of the rectangular upper and lower walls. It has a pair of regulating ribs 66b projecting from. An elastic claw 77 of a connector 7B described later is locked in the locking hole 66a.
- the ribs 67 are projections that are provided at a plurality of locations and maintain a distance from the next plate 61.
- the plate 61 (62, 63) has a rectangular shape substantially the same size as the inner plate 60, and is provided with a plurality of through-holes 6 la, 6 lb penetrating through the front and rear surfaces and in the center portion. It has a frame part 61c through which the shape part 66 is inserted, and a regulation rib 61d that borders the frame part 61c. Of these, each through hole 6 la is provided corresponding to the through hole 64. Each through hole 61b is a circular hole having a size that allows the protrusion 65 to pass through with play. When the plate 61 is overlaid on the inner plate 60, the protruding portion 65 is loosely fitted in or opposed to the corresponding through hole 61b.
- the frame part 61c is a rectangular hole corresponding to the cylindrical part 66, and is bordered by a regulating rib 61d. Since the plate 61 is stacked on the inner plate 60, the regulating rib 61d keeps the distance between the plates at a predetermined size while the cylindrical portion 66 is inserted into the corresponding frame portion 61c.
- the connector 7B has a substantially rectangular cylindrical shape, and includes an insertion portion 75 that is inserted into the cylindrical portion 66, and a rectangular flange portion that protrudes from the outer periphery of the cylinder on the rear end side of the insertion portion 75. 76 and elastic claws 77 provided on the opposing walls that define the insertion portion 75, respectively.
- the insertion portion 75 has a dimension that allows the side on which the elastic claw 77 is formed to be inserted into the cylindrical portion 66 without a gap.
- the flange portion 76 is in contact with the end surface of the cylindrical portion 66 in a state where the insertion portion 75 is inserted into the cylindrical portion 66 and the elastic claw 77 is engaged with the locking hole 66a.
- Each elastic claw 77 is provided in a state of being partitioned by a substantially U-shaped slit in the lower portion of the insertion portion 75, and elastically displaces inward while being inserted into the cylindrical portion 66, and the locking hole 66a. When it reaches, it returns to its original state and engages with the locking hole 66a.
- the holding means 8 includes a locking portion 80 provided on the inner plate 50 constituting the silencer 5, and a silencer. 6 has an engaging portion 85 provided on the inner plate 60 constituting 6 and has both a holding function and a hinge function. Further, in this structure, the locking portions 80 are provided on both sides of the inner plate 50 and the engaging portions 85 are provided on both sides of the inner plate 60.
- the muffler 6 can be connected to the left and right, or the muffler 5, mute 6 and mute 5 can be configured as a pair.
- the locking portion 80 is provided so as to connect the support piece portion 50a and the support piece portion 50a, and further, a vertical plate portion 81 extending vertically and a vertical plate portion 81 are provided.
- the inner horizontal rib 82 projects substantially in the middle in the vertical direction
- the outer lateral rib 83 projects on the lower side of the outer surface of the vertical plate portion 81.
- the vertical plate portion 81 maintains a gap 84 having a predetermined width between the vertical plate portion 81 and the corresponding edge portion of the plate 50.
- the engaging portion 85 is located on the side surface of the inner plate 60 and is a substantially intermediate portion.
- a short engagement piece 86 that protrudes downward and projects upward force downward, and a long engagement piece 87 that protrudes upward and downward force forms a semi-closed engagement space 88. .
- the inner plate 60 (silencer 6) is hinged to the inner plate 50 (silencer 5) in the following manner, and is held non-rotatable as necessary. . That is, in this connection operation, as shown in the reference diagram of FIG. 13 (b), the engaging portion 85 is engaged with the locking portion 80 and the short engaging piece 86 is hooked on the outer lateral rib 83, and The long engagement piece 87 is hooked from the lower side of the gap 84 to the inner side of the lower end of the vertical plate portion 81. In this state, as shown in FIG.
- the inner plate 60 (silencer 6) is inclined downward in the clockwise direction with respect to the inner plate 50 (silencer 5), that is, a long engagement piece. Rotation is continued until 87 comes into contact with the inner lateral rib 82 (in this example, the inner plate 60 is pivotally connected to the inner plate 50 by about 30 degrees).
- the inner plate 60 is further strongly rotated clockwise from the state shown in FIG. 13 (c). Then, as shown in FIG. 9, the inner plate 60 (the silencer 6) is configured such that the short engagement piece 86 is locked to the outer lateral rib 83 and the long engagement piece 87 forces the inner lateral rib 82. By moving over and being locked to the upper end surface of the inner lateral rib 82, the inner plate 50 (the muffler 5) is held in a non-rotatable manner.
- the holding means 8 is switched to the holding state as described above, the long engagement piece 87 fills the gap 84, and the long engagement piece 87 has the tip connected to the upper end surface of the inner lateral rib 82 as described above. Since it is restrained between the claw 52a of the part 52, the holding state is not inadvertently released.
- the silencer 1A described above is inserted into the tank body T from the tank-side opening and is inserted into the tank body T in advance, in the same manner as in the first embodiment. It is attached via the cylindrical parts 7A and 7B.
- the silencer 6 is held with respect to the silencer 5 while the holding means 8 is not held.
- the hinge function of the holding means 8 it is turned by a predetermined angle and switched to the first state.
- the first state is a preferable mode for inserting the silencer 1A into the tank body T.
- the silencer 5 is held in the hand and inserted from the silencer 6 side to the stud 9 side in the tank body T, and the silencer 5 is also inserted into the tank body T.
- the rotation is switched from the first state to the second state using a downward reaction force generated when the end of the silencer 6 is brought into contact with the inner surface of the tank body T.
- the second state is the usage posture of the silencer 1 A, and the silencer 6 is arranged at an inclination of about 45 degrees with respect to the silencer 5.
- the silencer 5 and the silencer 6 are held in the second state via the holding function of the holding means 8 described above.
- the following mounting process is continuously performed.
- the silencer 5 is positioned so that each cylindrical portion 7A coincides with the corresponding stud 9 with the guiding action of the rib 57a.
- the silencer 1A (silencer parts 5, 6) is pressed toward the mounting wall, the engagement pieces are connected to each other while expanding the diameter of both engagement pieces 73 of the corresponding cylindrical part 7A.
- the above silencer 1A can provide the same effects as those of the first embodiment, and the holding means 8 has both a hinge function and a holding function, so that each part can be simplified.
- the tank body T may have a force opening portion that is an example of blow molding, and may be made by a method other than blow molding.
- the projecting portion has a substantially conical shape, but may have a shape in which a conical tip is cut or a peripheral wall is curved. In this case, if a small hole is formed in the tip of the hollow projection, even if the projection is arranged with the tip facing downward, liquid such as fuel accumulates inside. Can be prevented.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020087020616A KR101355753B1 (ko) | 2006-02-28 | 2006-12-28 | 소음장치 |
US12/224,488 US7946381B2 (en) | 2006-02-28 | 2006-12-28 | Sound-absorbing device and its mounting method |
EP06843657A EP1990226A4 (en) | 2006-02-28 | 2006-12-28 | SOUNDPROOFING DEVICE AND ITS MOUNTING METHOD |
CN2006800534784A CN101389503B (zh) | 2006-02-28 | 2006-12-28 | 消声器及其安装方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-052810 | 2006-02-28 | ||
JP2006052810A JP4808511B2 (ja) | 2006-02-28 | 2006-02-28 | 消音装置及びその取付方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007099691A1 true WO2007099691A1 (ja) | 2007-09-07 |
Family
ID=38458815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/326279 WO2007099691A1 (ja) | 2006-02-28 | 2006-12-28 | 消音装置及びその取付方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7946381B2 (ja) |
EP (1) | EP1990226A4 (ja) |
JP (1) | JP4808511B2 (ja) |
KR (1) | KR101355753B1 (ja) |
CN (1) | CN101389503B (ja) |
TW (1) | TW200732178A (ja) |
WO (1) | WO2007099691A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7445082B2 (en) * | 2005-04-21 | 2008-11-04 | Nifco Inc. | Noise suppressing device and installation structure of same |
WO2015064315A1 (ja) * | 2013-11-01 | 2015-05-07 | 八千代工業株式会社 | 燃料タンクにおける波消し板固定構造 |
Families Citing this family (13)
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JP4808511B2 (ja) * | 2006-02-28 | 2011-11-02 | 株式会社ニフコ | 消音装置及びその取付方法 |
FR2961738B1 (fr) * | 2010-06-23 | 2014-02-28 | Inergy Automotive Systems Res | Procede de fabrication d'un reservoir a carburant muni d'un baffle |
DE102010032278A1 (de) | 2010-07-26 | 2012-01-26 | Kautex Textron Gmbh & Co. Kg | Kraftstoffbehälter aus thermoplastischem Kunststoff |
CN102000973B (zh) * | 2010-12-27 | 2012-09-12 | 柳州五菱汽车有限责任公司 | 一种用于汽车消声器筒体的组装设备 |
JP2012187754A (ja) * | 2011-03-09 | 2012-10-04 | Yachiyo Industry Co Ltd | 中空容器における内蔵部品のクランプ構造およびクランプ方法 |
US9358878B2 (en) * | 2012-05-04 | 2016-06-07 | TransNav Inc. | Fluid energy reducing device |
KR101487130B1 (ko) | 2014-02-25 | 2015-01-28 | 주식회사 동희산업 | 연료탱크용 배플 조립방법 |
EP2916017B1 (en) * | 2014-03-05 | 2017-06-28 | Inergy Automotive Systems Research (Société Anonyme) | Noise reduction baffle and method for installing same |
KR101738258B1 (ko) | 2015-09-23 | 2017-05-29 | 주식회사 동희산업 | 플라스틱 연료탱크용 조립 배플 |
DE102017201887A1 (de) | 2017-02-07 | 2018-08-09 | Ford Global Technologies, Llc | Kraftstofftank mit von außen montierbarer Anti-Schwappvorrichtung |
LU500212B1 (fr) * | 2021-05-27 | 2022-11-28 | Plastic Omnium Advanced Innovation & Res | Baffle anti-bruit pour réservoir de véhicule automobile |
CN216709014U (zh) * | 2021-11-03 | 2022-06-10 | 北京车和家汽车科技有限公司 | 油箱防浪板、油箱及车辆 |
BE1031122B1 (fr) * | 2022-12-09 | 2024-07-10 | Plastic Omnium Advanced Innovation And Res Sa | Vessie pour reservoir a carburant |
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- 2006-12-08 TW TW095145911A patent/TW200732178A/zh unknown
- 2006-12-28 CN CN2006800534784A patent/CN101389503B/zh not_active Expired - Fee Related
- 2006-12-28 EP EP06843657A patent/EP1990226A4/en not_active Withdrawn
- 2006-12-28 KR KR1020087020616A patent/KR101355753B1/ko active IP Right Grant
- 2006-12-28 WO PCT/JP2006/326279 patent/WO2007099691A1/ja active Application Filing
- 2006-12-28 US US12/224,488 patent/US7946381B2/en not_active Expired - Fee Related
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US7445082B2 (en) * | 2005-04-21 | 2008-11-04 | Nifco Inc. | Noise suppressing device and installation structure of same |
WO2015064315A1 (ja) * | 2013-11-01 | 2015-05-07 | 八千代工業株式会社 | 燃料タンクにおける波消し板固定構造 |
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Also Published As
Publication number | Publication date |
---|---|
US7946381B2 (en) | 2011-05-24 |
CN101389503A (zh) | 2009-03-18 |
EP1990226A4 (en) | 2012-04-18 |
JP2007230307A (ja) | 2007-09-13 |
KR20080096674A (ko) | 2008-10-31 |
US20100224440A1 (en) | 2010-09-09 |
JP4808511B2 (ja) | 2011-11-02 |
KR101355753B1 (ko) | 2014-01-27 |
EP1990226A1 (en) | 2008-11-12 |
CN101389503B (zh) | 2012-06-13 |
TW200732178A (en) | 2007-09-01 |
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