WO2010035408A1 - 2部材間の締結構造および着脱方法 - Google Patents
2部材間の締結構造および着脱方法 Download PDFInfo
- Publication number
- WO2010035408A1 WO2010035408A1 PCT/JP2009/004276 JP2009004276W WO2010035408A1 WO 2010035408 A1 WO2010035408 A1 WO 2010035408A1 JP 2009004276 W JP2009004276 W JP 2009004276W WO 2010035408 A1 WO2010035408 A1 WO 2010035408A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fastening
- members
- ridges
- container
- structure according
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 114
- 230000005489 elastic deformation Effects 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims description 65
- 230000002093 peripheral effect Effects 0.000 claims description 53
- 238000009423 ventilation Methods 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 7
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0485—Threaded or like caps or cap-like covers secured by rotation with means specially adapted for facilitating the operation of opening or closing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/02—Releasable fastening devices locking by rotation
- F16B21/04—Releasable fastening devices locking by rotation with bayonet catch
Definitions
- the present invention relates to a fastening structure between two members and an attaching / detaching method.
- the two members are fastened to each other by rotating after aligning one male screw and the other female screw in a state where the two members are separated. For this reason, the operator first (a) holds one member with one hand, holds the other member with the other hand, and (b) positions those members where the male screw and the female screw are engaged. From (c), the other is rotated with respect to one and the two members are fastened by screw connection.
- a circumferential rib is provided on the inner periphery of one member, a circumferential rib or groove is provided on the outer periphery of the other member, and the other member is inserted into one member.
- the circumferential ribs of one member are elastically deformed and hooked to the circumferential ribs or grooves of the other member to fasten both members together. In this method, since the fastening is completed by pressing both members, the operation is relatively simple.
- the circumferential rib is made large, the elastic deformation of the circumferential rib at the time of fastening is increased, and the contact between one member and the other member is increased. It is conceivable to increase the pressure at the location.
- the present invention provides a fastening structure between two members having high airtightness at a fastening portion, which can achieve both fastening of two cylindrical members by simple work and release of the fastening by simple work.
- the purpose is to obtain a detaching method.
- the present invention is as follows.
- an axial force applied between the first member and the second member is converted into a circumferential force.
- the first member and the second member are moved in the axial direction while rotating one of the first and second members relative to the other by the axial force applied between the first member and the second member.
- a guide mechanism that advances in the axial direction while rotating one of the first and second members with respect to the other by a circumferential force applied between the first and second members, and (b) in the fastening start step, the guide mechanism advances Accordingly, one of the first and second members is press-fitted into the other while gradually increasing elastic deformation, and one of the first and second members is gradually pressed from the other in the fastening release step.
- a mechanism and (c) one of the first and second members in the fastening start step, the other In the state where the first and second members are in contact with each other as they advance, the ribs formed on the first member are hooked on the second member to lock the first and second members together. And a locking mechanism. Then, in the fastening release step, when a circumferential force is applied between the first member and the second member, an axial force is generated by the guide mechanism, and the locking mechanism is locked by the axial force. When the lock is released and the lock of the lock mechanism is released, the elastic deformation by the press-fit mechanism is reduced.
- the fastening structure according to the present invention may be as follows in addition to the fastening structure described above.
- the guide mechanism has spiral first and second raised portions formed on the outer peripheral surface of the first member and the inner peripheral surface of the second member, respectively. And the second raised portion are slid relative to each other, so that one of the first and second members is advanced in the axial direction while rotating with respect to the other.
- the press-fitting mechanism has a third raised portion that is formed on the outer peripheral surface and has a spiral shape with a lead angle different from that of the first raised shape portion, and the first raised shape portion and the third raised shape portion in the fastening start process.
- the second raised portion is advanced between the raised portion and the wedge-shaped portion so as to be pressed into a wedge shape to generate elastic deformation, and the locking mechanism is unlocked by the recovery force from the elastic deformation in the fastening release process.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- a plurality of ridges parallel to each other at equal intervals are formed on the inner peripheral surface of the second member. Two adjacent ridges among the plurality of ridges become the second raised portion. One of the two ridges contacts the first ridge, and the other contacts the third ridge.
- the first member and the second member do not have to be angled with respect to the other of the first member and the second member.
- the second member can be fastened. Therefore, the operator can perform the fastening start process only by pressing work without rotating work.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the first and third ridges, the second ridges, or both have curved ridge tips.
- the tip of the second raised portion slides and advances.
- the person can perform the fastening start process only by pressing work without rotating work.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the difference in the lead angle between the first raised portion and the third raised portion is any value in the range of 1 to 3 degrees.
- both members can be fixed to each other satisfactorily, and when the fastening is released, the unlocking of the locking mechanism can be favorably assisted by the recovery force from the elastic deformation.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the guide mechanism has spiral first and second raised portions formed on the outer peripheral surface of the first member and the inner peripheral surface of the second member, respectively. And the second raised portion are slid relative to each other, so that one of the first and second members is advanced in the axial direction while rotating with respect to the other.
- the press-fitting mechanism has a third raised portion that is formed on the inner peripheral surface and has a spiral shape with a lead angle different from that of the second raised shape portion. The first protruding portion is advanced between the three protruding portions and pressed into a wedge shape to generate elastic deformation, and the locking mechanism locks with the recovery force from the elastic deformation in the fastening release process. Help release.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- a plurality of ridges parallel to each other at equal intervals are formed on the outer peripheral surface of the first member. Then, two adjacent ridges among the plurality of ridges become the first raised portions. One of the two ridges contacts the second ridge, and the other contacts the third ridge.
- the first member and the second member do not have to be angled with respect to the other of the first member and the second member.
- the second member can be fastened. Therefore, the operator can perform the fastening start process only by pressing work without rotating work.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the second and third ridges, the first ridges, or both have curved ridge tips.
- the tip of the first raised portion slides and advances.
- the person can perform the fastening start process only by pressing work without rotating work.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the difference in the lead angle between the second raised portion and the third raised portion is any value in the range of 1 to 3 degrees.
- both members can be fixed to each other satisfactorily, and when the fastening is released, the unlocking of the locking mechanism can be favorably assisted by the recovery force from the elastic deformation.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- at least one of the first and second members has a ring-shaped and tapered raised portion at a place where the first and second members come into contact with each other. In a state where the first and second members are locked together, the cylindrical tip of the first member is in pressure contact with the second member.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the second member is formed with an inner ring that contacts the inner peripheral surface of the first member in a state where the first and second members are locked together.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the locking mechanism hooks the rib formed on the second member by overcoming the rib formed on the second member while elastically deforming the rib formed on the first member. Then, the first and second members are locked together.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the rib formed on the first member is a circumferential rib.
- the first member and the second member do not have to be angled with respect to the other of the first member and the second member.
- the second member can be fastened. Therefore, the operator can perform the fastening start process only by pressing work without rotating work.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the rib formed on the first member and the rib formed on the second member are circumferential ribs.
- the contact between the rib formed on the first member and the rib formed on the second member becomes a ring shape and is dispersed even when a tensile force is applied to the fastening portion.
- the contact between the member and the second member is difficult to be released, and the airtightness is not easily lowered.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the surfaces of the ribs formed on the first member and the ribs formed on the second member are curved surfaces.
- the fastening structure according to the present invention may be as follows in addition to any of the above fastening structures.
- the rib formed on the first member is a plurality of ribs formed intermittently along the circumference.
- the fastening structure according to the present invention may be as follows in addition to the fastening structure described above.
- some or all of the plurality of ribs in the first member are each formed on the beam.
- the fastening structure according to the present invention may be as follows in addition to the fastening structure described above.
- a ventilation groove is formed on the inner peripheral surface of the first member at a location where the inner ring contacts in the process of locking the first and second members.
- the fastening structure according to the present invention may be as follows in addition to the fastening structure described above.
- the inner ring closes the ventilation groove with the first and second members locked together.
- the method of attaching and detaching the two members according to the present invention includes a fastening start process and a fastening release process.
- the guide mechanism that converts the axial force applied between the first member and the second member into a circumferential force is provided between the first member and the second member.
- one of the first and second members is caused to advance in the axial direction while rotating with respect to the other, and one of the first and second members is caused by the press-fitting mechanism as the guide mechanism advances.
- the rib formed on the first member is hooked on the second member to lock the first and second members together.
- the guide mechanism rotates in the axial direction while rotating one of the first and second members with respect to the other by a circumferential force applied between the first member and the second member.
- the axial force is generated by the guide mechanism, and the locking of the locking mechanism is released by the axial force. And when the locking of the locking mechanism is released, the elastic deformation by the press-fit mechanism is reduced.
- FIGS. 7A to 7E are views showing the positional relationship between the convex ridges of the container and the convex ridges of the lid in the first embodiment in the fastening start process.
- FIG. 1 It is a perspective view which shows the state in which the container and lid
- FIG. 10 is a development view showing an example of a set of ridges of a container and a set of ridges of a lid in Embodiment 3.
- FIG. It is an expanded view which shows an example of the protruding item
- FIG. 10 is a cross-sectional view showing a fastening process in a fastening structure according to a sixth embodiment.
- FIG. 1 is a perspective view showing a container having a fastening structure and a lid according to Embodiment 1 of the present invention.
- the container 1 and the lid 2 are fastened.
- the container 1 and the lid 2 can be repeatedly attached and detached.
- FIG. 1 only the connection portion with the lid 2 in the container 1 is shown.
- the container 1 and the lid 2 are each manufactured by injection molding a resin material such as polypropylene or polyethylene.
- a resin material such as polypropylene or polyethylene.
- the container 1 and the lid 2 have moderate elasticity compared to a rigid material such as stainless steel, steel, or glass.
- one of the container 1 and the lid 2 may be made of a resin material, and the other may be made of a rigid material such as stainless steel, steel, or glass.
- FIG. 2 is a cross-sectional view of the container 1 in FIG. FIG. 2 shows an AA section parallel to the central axis of the container 1.
- the container 1 has ridges 11 and ridges 12 on the outer periphery of the cylindrical tip portion having the opening 1a.
- One ridge 11 and one ridge 12 form a set.
- two sets of four sets of ridges 11 are provided at two positions symmetrical to the central axis of the cylindrical tip portion of the container 1.
- the protrusion 12 is arranged along the outer periphery.
- FIG. 3 is a developed view showing the shapes of the ridges 11 and 12 in FIGS. 1 and 2.
- FIG. 3 shows the shapes of the ridges 11 and 12 when the outer peripheral surface of the container 1 is developed into a plane.
- the ridge 11 has a predetermined first lead angle A1 and is inclined linearly on the outer peripheral surface of the cylindrical main body, that is, formed in a substantially spiral shape.
- the ridges 11 extend in the clockwise direction from the opening 1a side when viewed from the upper surface.
- the first lead angle A1 is an arrangement angle of the ridges 11 and is an angle on the outer peripheral surface from a plane perpendicular to the central axis of the cylindrical shape.
- the first lead angle A1 is constant at any location on the ridge 11 except for the end portion.
- line 11 is made into the substantially trapezoid.
- the ridge 12 has a predetermined second lead angle A2, and is inclined linearly on the outer peripheral surface of the cylindrical main body, that is, substantially spiral.
- the ridge 12 extends in the clockwise direction from the opening 1a side as seen from the top surface, like the ridge 11.
- the second lead angle A2 is an arrangement angle of the ridges 12, and is an angle on the outer peripheral surface from a plane perpendicular to the central axis of the cylindrical shape.
- the second lead angle A2 is constant at any location of the ridge 12 except for the end portion.
- the second lead angle A2 is made smaller than the first lead angle A1 by a predetermined angle.
- the first lead angle A1 and the second lead angle A2 are between about 20 degrees and about 40 degrees, and the difference between the first lead angle A1 and the second lead angle A2 is about 1 to It is between 3 degrees.
- the first lead angle A1 is 30 degrees and the second lead angle A2 is 28 degrees.
- the distance D between the ridges 11 and the ridges 12 is wider on the opening 1a side where the lid 2 advances during fastening, and narrower on the opposite side. That is, the distance D2 at one end of the ridges 11 and 12 is narrower than the distance D1 at the other end of the ridges 11 and 12.
- the arrangement of the ridges 11 and the ridges 12 is formed at a distance L from the cylindrical tip of the container 1. For this reason, the introducing
- the length L is, for example, about 1/8 or more of the radius of the cylindrical tip of the container 1.
- the lengths of the ridges 11 and 12 are determined so as to be within an angle range of about 15 to 45 degrees (preferably about 30 degrees) about the central axis.
- ribs 13 are formed at locations farther from the opening 1a than the arrangement of the ridges 11 and 12.
- the rib 13 is a ring-shaped circumferential rib perpendicular to the central axis, and is a ridge having a curved surface.
- the rib 13 has a substantially semicircular cross section perpendicular to the outer peripheral surface and parallel to the central axis.
- FIG. 4 is a perspective view showing the shape of the lid 2 shown in FIG.
- FIG. 5 is a cross-sectional view of the lid 2 in FIG.
- FIG. 5 shows a BB cross section parallel to the central axis of the lid 2.
- the lid 2 is formed in a cylindrical shape having an opening 2a only at one end and a top surface at the other end.
- a ridge 21 is formed on the inner peripheral surface of the lid 2.
- the ridge 21 has the same lead angle as one of the lead angle of the ridge 11 and the lead angle of the ridge 12 or one of the intermediate lead angles between them, and is inclined on the inner peripheral surface. It is formed linearly, that is, in a substantially spiral shape.
- FIG. 6 is a development view showing the shape of the ridges 21 in FIGS. 4 and 5.
- FIG. 6 shows the shape of the ridge 21 when the inner peripheral surface of the lid 2 is developed on a plane.
- the lead angle A3 of the ridges 21 is an arrangement angle of the ridges 21, and is an angle on the inner peripheral surface from a plane perpendicular to the central axis of the cylindrical shape.
- line 21 is extended in the clockwise direction toward the upper surface from the opening part 2a side.
- the lead angle A3 of the ridge 21 is constant at any location of the ridge 21.
- the width W of the ridges 21 is designed to be wider than the minimum value D2 of the interval between the ridges 11 and the ridges 12 and narrower than the maximum value D1. 4 and 6, only one ridge 21 is drawn, but in reality, the same number of ridges 21 as the number of pairs of ridges 11 and 12 (four in this embodiment) are included. They are arranged on the peripheral surface.
- ribs 22 are formed at locations closer to the opening 2 a than the arrangement of the ridges 21.
- the rib 22 is a ring-shaped circumferential rib perpendicular to the central axis, and is a ridge having a curved surface. The rib 22 is caught by the rib 13 and locked at the time of fastening.
- a ring-shaped and tapered ridge 23 is formed on the top surface 2 b of the lid 2.
- the ridges 23 are formed at locations where the container 1 and the lid 2 abut each other.
- the protrusion 2 is provided in the lid
- the cylindrical tip of the container 1 is in pressure contact with the ridge 23 of the lid.
- an inner ring 24 extending substantially perpendicularly from the top surface 2b is formed on the top surface 2b of the lid 2.
- the inner ring 24 comes into contact with the inner peripheral surface 1b of the container 1 and is elastically deformed to be in close contact.
- the outer peripheral surface 24a of the inner ring 24 is slightly tapered, and is designed so that the cylindrical tip of the container 1 is in contact with the inner ring 24 and proceeds to the root of the inner ring 24.
- the container 1 and the lid 2 reach the fastening state through the fastening start process, and return to the separated state through the fastening release process.
- the fastening start process is performed by the operator pressing one of the container 1 and the lid 2 against the other.
- the fastening release step is performed by the operator twisting the fastening portion of the container 1 and the lid 2.
- the operator puts the tip of the container 1 into the opening 2a of the lid 2 and presses one of the container 1 and the lid 2 against the other.
- the tip of the container 1 advances inside the lid 2 in a state where the central axis of the container 1 and the central axis of the lid 2 are substantially coincident.
- the operator since there is an introduction portion having a length L where the ridges 11, 12, and 21 do not exist, the operator can easily put the tip of the container 1 into the inside of the lid 2.
- 7 (A) to 7 (E) are diagrams showing the positional relationship between the ridges 12 of the container 1 and the ridges 21 of the lid 2 in Embodiment 1 in the fastening start process.
- the ridges 21 of the lid 2 After the ridges 21 of the lid 2 also contact the ridges 11 of the container 1, when the tip of the container 1 further advances inside the lid 2, at least one of the container 1 and the lid 2 is elastically deformed and the lid 2 The ridges 21 of the advancing between the ridges 11 and the ridges 12 of the container 1 (FIG. 7D). At this time, since the space between the ridges 11 and the ridges 12 of the container 1 is gradually narrowed, elastic deformation increases as the tip of the container 1 advances inside the lid 2. In this way, the ridges 21 are sandwiched between the ridges 11 and 12 in a wedge shape.
- cover 2 is the period (FIG.7 (C), FIG.7 (D)) which the protruding item
- the surfaces of the rib 22 and the rib 13 are curved surfaces, the rib 22 and the rib 13 are elastically deformed while being in line contact.
- the tip of the rib 22 exceeds the tip of the rib 13, the cylindrical tip of the container 1 comes into contact with the ridges 23 and the inner ring 24 of the top surface 2 b of the lid 2, and the rib 22 is caught by the rib 13. .
- the tip portion of the container 1 is in close contact with the ridges 23 and the inner ring 24 on the top surface 2b. Thereby, a fastening location will be in a sealed state. Further, when the tip of the rib 22 exceeds the tip of the rib 13, the resistance to the compressive force by the worker is immediately reduced, so that a click feeling is given to the worker. From this click feeling, the operator can know the completion of the fastening start process.
- FIG. 8 is a perspective view showing a state in which the container 1 and the lid 2 in Embodiment 1 are fastened.
- FIG. 9 is a cross-sectional view showing a state in which the container 1 and the lid 2 in Embodiment 1 are fastened.
- the tip of the container 1 is fixed in a state of being pressed against the top surface 2 b of the lid 2 by both the locking by the ribs 13 and 22 and the press-fitting by the ridges 11, 12 and 21. The For this reason, the high airtightness in the fastening location of the container 1 and the lid
- the container 1 and the lid 2 are fastened while ensuring high airtightness only by the pressing work of the operator.
- FIG. 10 is a diagram for explaining the restoring forces F1 and F2 from the elastic deformation of the ridges 21 of the lid 2 and the ridges 11 and 12 of the container 1 and the force F obtained by combining them in the first embodiment.
- the ridges 21 of the lid 2 are retracted along the ridges 12 of the container 1 by the rotational force applied by the operator. (FIG. 7B). Thereafter, the container 1 and the lid 2 are pulled apart along the central axis for a length L or more of the introduction portion, so that they are completely separated from each other.
- the fastening of the container 1 and the lid 2 that secures high airtightness is released only by a light twisting operation of the operator.
- the fastening structure has the guide mechanism, the press-fitting mechanism, and the locking mechanism.
- the ridges 12 of the container 1 and the ridges 21 of the lid 2 function as a guide mechanism
- the ridges 11 and 12 of the container 1 and the ridges 21 of the lid 2 function as a press-fitting mechanism
- the rib 13 and the rib 22 of the lid 2 function as a locking mechanism.
- the guide mechanism has spiral first and second raised portions formed on the outer peripheral surface of the container 1 and the inner peripheral surface of the lid 2, respectively.
- the first ridge-shaped portion is the ridge 11
- the second ridge-shaped portion is the ridge 21.
- the press-fitting mechanism has a third raised portion that is formed on the outer peripheral surface and has a spiral shape with a lead angle different from that of the first raised portion.
- the third raised portion is the ridge 12.
- water was put into the container under atmospheric pressure, the container and the lid were fastened, and then inverted, and the outside air was reduced to 260 mmHg for 30 minutes.
- the reduction rate of the water content was 0.01% or less.
- the glycerin BC solution “Yoshida” was put in the container under atmospheric pressure, the container and the lid were fastened, and then inverted, and the outside air was reduced to 50 mmHg for 30 minutes.
- the decrease rate of the glycerin BC liquid “Yoshida” as the content was below the measurement limit (about 0.01% or less).
- FIG. The fastening structure according to Embodiment 2 of the present invention is such that the tip of the ridge 21 of the lid 2 is curved.
- FIG. 11 is a development view showing an example of the ridges 11 and 12 of the container 1 and the ridges 21 of the lid 2 according to the second embodiment. As shown in FIG. 11, the tip of the ridge 21 on the opening 2a side is a curved surface. Thereby, in the fastening start process, the ridges 21 can easily enter between the ridges 11 and the ridges 12.
- FIG. 12 is a development view showing an example of a set of ridges 11 and 12 of the container 1 and a set of ridges 31 a and 31 b of the lid 2 in the third embodiment.
- protrusions 31 a and 31 b are formed on the inner peripheral surface of the lid 2.
- the ridges 31a and 31b have the same shape and the same lead angle A3.
- line 31a, 31b is made into the curved surface.
- the ridges 31 b are in contact with the ridges 12, and the ridges 31 a are in contact with the ridges 11.
- the description is abbreviate
- the fastening structure has the guide mechanism, the press-fitting mechanism, and the locking mechanism.
- the ridges 12 of the container 1 and the ridges 31b of the lid 2 function as a guide mechanism
- the ridges 11 and 12 of the container 1 and the ridges 31a and 31b of the lid 2 function as a press-fit mechanism
- the rib 13 of the container 1 and the rib 22 of the lid 2 function as a locking mechanism.
- FIG. 13 is a development view showing an example of the ridges 11 and 12 of the container 1 and the ridge 31 of the lid 2 according to the fourth embodiment.
- a plurality of ridges 31 are formed on the inner peripheral surface of the lid 2 in parallel with the same shape at equal intervals.
- the plurality of ridges 31 are arranged in a ring shape on the inner peripheral surface of the lid 2.
- line 31 has the width
- FIG. 14 is a diagram illustrating press-fitting of the ridges 31 of the lid 2 into the set of ridges 11 and 12 of the container 1 according to the fourth embodiment. Since the ridges 31 not involved in the press-fitting are inserted into the gap between the ridges 11 and 12 that do not participate in the press-fitting, the ridges 31 not involved in the press-fitting do not interfere with the ridges 11 and 12.
- the fastening structure has the guide mechanism, the press-fitting mechanism, and the locking mechanism.
- the ridges 12 of the container 1 and the ridges 31 of the lid 2 function as a guide mechanism
- the ridges 11 and 12 of the container 1 and the ridges of the lid 2 function as a press-fitting mechanism.
- the rib 13 and the rib 22 of the lid 2 function as a locking mechanism.
- the plurality of ridges 31 that are parallel at equal intervals are formed on the inner peripheral surface of the lid 2. Then, two adjacent ridges 31 among the plurality of ridges 31 function as second raised portions. One of the two ridges 31 is in contact with the ridge 11 and the other is in contact with the ridge 12. As a result, if the central axes of the container 1 and the lid 2 substantially coincide with each other, the container 1 and the lid 2 can be fastened without adjusting the angle of one of the container 1 and the lid 2 with respect to the other. Therefore, the operator can perform the fastening start process only by pressing work without rotating work.
- FIG. 15 is a perspective view showing a container and a lid having a fastening structure according to Embodiment 5 of the present invention.
- the fifth embodiment as in the first to fourth embodiments, two members, the container 1 and the lid 2, are fastened.
- the container 1 and the lid 2 can be repeatedly attached and detached.
- FIG. 15 only the connection portion with the lid 2 in the container 1 is shown.
- the shape of the lid 2 in the fifth embodiment is the same as the shape of the lid 2 in any one of the first to fourth embodiments.
- Container 1 and lid 2 in the fifth embodiment can be manufactured by the same material and manufacturing method as in any of the first to fourth embodiments.
- FIG. 16 is a cross-sectional view of the container 1 in FIG.
- FIG. 16 shows an AA cross section parallel to the central axis of the container 1 in FIG.
- the container 1 has the ridges 11 and the ridges 12 similar to those in any of the first to fourth embodiments.
- the container 1 in the fifth embodiment has ribs 101 different from the ribs 13 in the first embodiment.
- the rib 101 is formed in the outer peripheral surface of the container 1 in the location farther from the opening 1a than the arrangement of the ridges 11 and 12.
- the four ribs 101 are formed at symmetrical positions around the central axis along a circumference perpendicular to the central axis.
- the rib 101 is intermittently formed along the circumference.
- Each rib 101 is a ridge having a curved surface.
- the cross section of the rib 101 that is perpendicular to the outer peripheral surface and parallel to the central axis is a substantially semicircle.
- Each rib 101 is formed on a cantilever 102, and a gap 103 is formed around the cantilever 102.
- the cantilever beam 102 is formed in parallel with the central axis so as not to protrude from the outer peripheral surface of the container 1. Further, the end of the cantilever 102 on the opening 1a side is fixed.
- the gap 103 is formed independently from the inner space surrounded by the container 1 and does not impair the airtightness when the container 1 and the lid 2 are fastened.
- the rib 101 is formed outside the tip portion of the cantilever 102.
- the cantilever beam 102 bends toward the inside of the container 1, and the rib 22 of the lid 2 easily gets over the rib 101 of the container 1.
- the rib 101 is restored to the outer side of the container 1 by the elastic restoring force of the cantilever 102, and the contact with the rib 22 is maintained. Since a sufficient gap 103 is provided around the rib 101, the tip of the cantilever 102 is difficult to contact the wall surface of the container 1 even if the cantilever 102 is bent.
- the rib 101 of the container 1 and the rib 22 of the lid 2 function as a locking mechanism.
- the fastening start process and (b) the fastening release process in the fifth embodiment are the same as those in any of the first to fourth embodiments, and thus the description thereof is omitted.
- the rib 101 of the container 1 functions instead of the rib 13 in the first to fourth embodiments.
- the rib 101 is provided intermittently, and the cantilever 102 is provided. Since it is formed, it is possible to reduce the compression force and the rotational force necessary for the fastening start process and the fastening release process. Thereby, a stronger click feeling and / or click sound can be given to the operator.
- FIG. 17 is a perspective view showing a container and a lid having a fastening structure according to Embodiment 6 of the present invention.
- the container 1 in the sixth embodiment has ribs 201 between the ribs 101 and 101.
- the ribs 201 are respectively provided at two positions symmetrical with respect to the central axis of the container 1.
- the rib 201 and the rib 101 exist on the same circumference.
- the height of the rib 201 from the outer peripheral surface of the container 1 is the same as the height of the rib 101.
- FIG. 18 is a partial cross-sectional view showing a container and a lid having a fastening structure according to Embodiment 6 of the present invention.
- a ventilation groove 221 is formed on the inner peripheral surface of the container 1 at a location where the inner ring 24 contacts in the process of locking the container 1 and the lid 2 with each other.
- FIG. 19 is a perspective view showing the ventilation groove 221 in FIG. 20 is an enlarged view of the ventilation groove 221 in FIG.
- the ventilation groove 221 is a space on a semi-cylinder.
- the ventilation groove 221 is formed in three places at the same height at intervals of 120 degrees.
- the inner peripheral surface of the tip of the container 1 is tapered to a predetermined height, and the ventilation groove 221 is formed in the vicinity of the predetermined height, and the upper end of the ventilation groove 221 is above the end of the taper.
- the lower end of the ventilation groove 221 is below the end of the taper.
- the height of the ventilation groove 221 (distance between the upper end and the lower end) is, for example, about the height (distance between the lower end and the upper end) of the portion where the inner ring 24 is in contact with the inner peripheral surface of the container 1 in the fastened state. It is half.
- the shape of the ventilation groove 221 is not limited to this, and may be another shape that can perform the same function, such as cutting.
- FIG. 21 is a cross-sectional view showing a fastening process in the fastening structure according to the sixth embodiment.
- the lid 2 is pushed into the container 1 while the inner ring 24 of the lid 2 is in contact with the inner peripheral surface of the container 1.
- the diameter of the inner ring 24 is slightly larger than the diameter of the inner peripheral surface, and when the lid 2 is pushed into the container 1, the inner ring 24 and / or the inner wall of the container 1 are elastically deformed and both come into close contact with each other. Therefore, if the molding accuracy of the inner ring 24 and the inner peripheral surface of the container 1 is good, the inside air does not escape to the outside, the inside air pressure rises, and a large force is required to push the lid 2 into the container 1.
- Container 1 and the lid 2 in the fifth embodiment other than those described above are the same as the shapes of the container 1 and the lid 2 in any of the first to fifth embodiments.
- Container 1 and lid 2 in the sixth embodiment can be manufactured by the same material and manufacturing method as in any of the first to fifth embodiments.
- the same effect as any of the first to fourth embodiments can be obtained, and the operability can be improved and the internal pressure can be increased in the fastening start process. Airtightness can be ensured after completion of fastening while preventing the fastening from becoming difficult.
- the ridges 11 and 12 may be formed on the lid 2, and the ridges 21, 31, 31a, and 31b may be provided on the container 1.
- the container 1 may be a cylindrical tube.
- the lid 2 may be a cylindrical tube. In that case, what is necessary is just to delete the top
- the rib 13 or the rib 22 may be a rib other than the circumferential rib.
- the ribs 13 may be formed intermittently along the circumference.
- the ribs 22 may be formed intermittently along the circumference.
- a groove may be provided instead of the rib 13 or the rib 22.
- a ring-shaped step may be provided in the container 1 instead of the rib 13 and the rib 22 may be hooked on the step.
- the surfaces of the ribs 13 and the ribs 22 may be flat and the flat surfaces may be in contact with each other.
- the lead angles of the ridges 11, 12, 21, 31, 31a, 31b may not be constant.
- the rib 101 is formed on the cantilever 102, but instead of the cantilever 102, a double-supported beam is formed and the rib 101 is formed on the double-supported beam. You may do it.
- the rib of the container 1 is provided on the beam, but the rib of the lid 2 may be provided on the beam.
- ribs 101 are formed.
- two ribs 101 or eight ribs may be used, and the number of ribs 101 is not limited to four.
- the rib 101 is preferably formed at a symmetrical position with the central axis as the center.
- the present invention is applicable, for example, to fastening a tube or a container in which a gas and / or a liquid is placed and a tube or a lid. In particular, it is applicable to two members that are repeatedly attached and detached.
Abstract
Description
図1は、本発明の実施の形態1に係る締結構造を有する容器と蓋とを示す斜視図である。実施の形態1では、容器1と蓋2という2つの部材が締結される。容器1と蓋2とは、繰り返し着脱が可能である。なお、図1では、容器1のうち、蓋2との接続箇所のみが図示されている。
本発明の実施の形態2に係る締結構造は、蓋2の凸条21の先端を曲面にしたものである。図11は、実施の形態2における容器1の凸条11,12と蓋2の凸条21の一例を示す展開図である。図11に示すように、凸条21の、開口部2a側の先端が曲面とされている。これにより、締結開始工程において、凸条21が凸条11と凸条12との間に入り込みやすくなる。なお、実施の形態2に係る締結構造におけるその他の構成、並びに締結開始工程および締結解除工程については、実施の形態1と同様であるので、その説明を省略する。
本発明の実施の形態3に係る締結構造は、蓋2における1つの凸条21の代わりに2つの凸条を設けたものである。図12は、実施の形態3における容器1の1組の凸条11,12と蓋2の1組の凸条31a,31bの一例を示す展開図である。実施の形態3では、図12に示すように、蓋2の内周面には、凸条31a,31bが形成されている。凸条31a,31bは、同一形状で、同一のリード角A3を有する。また、凸条31a,31bの、開口部2a側の先端は曲面とされている。締結時に、凸条31bは、凸条12に接触し、凸条31aは、凸条11に接触する。なお、実施の形態3に係る締結構造におけるその他の構成、並びに締結開始工程および締結解除工程については、実施の形態1と同様であるので、その説明を省略する。
本発明の実施の形態4に係る締結構造は、蓋2に等間隔で同形状で平行な複数の凸条を設けたものである。図13は、実施の形態4における容器1の凸条11,12と蓋2の凸条31の一例を示す展開図である。実施の形態4では、蓋2の内周面には、複数の凸条31が等間隔で同形状で平行に形成されている。複数の凸条31は、蓋2の内周面において、リング状に配列されている。なお、隣接する2つの凸条31の間隙は、締結時に、凸条11または凸条12が干渉しないで挿入可能な幅を有する。
図15は、本発明の実施の形態5に係る締結構造を有する容器と蓋とを示す斜視図である。実施の形態5では、実施の形態1~4と同様に、容器1と蓋2という2つの部材が締結される。容器1と蓋2とは、繰り返し着脱が可能である。なお、図15では、容器1のうち、蓋2との接続箇所のみが図示されている。
図17は、本発明の実施の形態6に係る締結構造を有する容器と蓋とを示す斜視図である。
2 蓋(第2の部材)
11 凸条(圧入機構の一部、第1の隆起状部)
12 凸条(ガイド機構の一部、圧入機構の一部、第3の隆起状部)
13,101 リブ(係止機構の一部)
21 凸条(ガイド機構の一部、圧入機構の一部、第2の隆起状部)
22 リブ(係止機構の一部)
23 凸条(隆起状部)
24 インナーリング
31 凸条(ガイド機構の一部、圧入機構の一部、第2の隆起状部)
31a 凸条(圧入機構の一部、第2の隆起状部)
31b 凸条(ガイド機構の一部、圧入機構の一部、第2の隆起状部)
102 片持ち梁(梁)
201 リブ
221 通気溝
Claims (20)
- 締結部分がそれぞれ円筒状である第1の部材と第2の部材とが互いに繰り返し着脱可能な締結構造において、
前記第1の部材と前記第2の部材との間に加わる軸方向の力を周方向の力へ変換し、締結開始工程で、前記第1の部材と前記第2の部材との間に加わる軸方向の力により、前記第1および第2の部材の一方を他方に対して回転させながら軸方向に進行させ、締結解除工程で、前記第1の部材と前記第2の部材との間に加わる周方向の力により、前記第1および第2の部材の一方を他方に対して回転させながら軸方向に進行させるガイド機構と、
締結開始工程で、前記ガイド機構による進行に伴い、前記第1および第2の部材の一方を他方へ徐々に弾性変形を増加させつつ圧入させ、締結解除工程で、前記第1および第2の部材の一方を他方から徐々に弾性変形を減少させる圧入機構と、
締結開始工程で、前記第1および第2の部材の一方の、他方に対する進行に伴い前記第1および第2の部材が互いに当接した状態で、前記第1の部材に形成されているリブを前記第2の部材に引っかけて、前記第1および第2の部材を互いに係止させる係止機構と、
を備え、
締結解除工程において、前記第1の部材と前記第2の部材との間に周方向の力が加わると前記ガイド機構により軸方向の力が発生し、前記軸方向の力により前記係止機構の係止が解除され、前記係止機構の係止が解除される時に、前記圧入機構による弾性変形が減少すること、
を特徴とする締結構造。 - 前記ガイド機構は、前記第1の部材の外周面と前記第2の部材の内周面にそれぞれ形成された螺旋状の第1および第2の隆起状部を有し、前記第1の隆起状部と前記第2の隆起状部とが互いに摺動することで、前記第1および第2の部材の一方を他方に対して回転させながら軸方向に進行させ、
前記圧入機構は、前記外周面に形成され前記第1の隆起状部とは異なるリード角で螺旋状の第3の隆起状部を有し、締結開始工程において、前記第1の隆起状部と前記第3の隆起状部との間に前記第2の隆起状部を進行させてくさび状に圧入させて前記弾性変形を発生させ、締結解除工程において、前記弾性変形からの回復力で、前記係止機構の係止解除を補助すること、
を特徴とする請求項1記載の締結構造。 - 前記第2の部材の内周面に、等間隔で平行な複数の凸条が形成され、
前記複数の凸条のうちの隣接する2つの凸条が、前記第2の隆起状部となり、
前記2つの凸条の一方が前記第1の隆起状部に接触し、他方が前記第3の隆起状部に接触すること、
を特徴とする請求項2記載の締結構造。 - 前記第1および第3の隆起状部または前記第2の隆起状部、あるいはそれらの両方は、曲面の凸条の先端を有することを特徴とする請求項2記載の締結構造。
- 前記第1の隆起状部と前記第3の隆起状部とのリード角の差は、1度から3度までの範囲のいずれかの値であることを特徴とする請求項2記載の締結構造。
- 前記ガイド機構は、前記第1の部材の外周面と前記第2の部材の内周面にそれぞれ形成された螺旋状の第1および第2の隆起状部を有し、前記第1の隆起状部と前記第2の隆起状部とが互いに摺動することで、前記第1および第2の部材の一方を他方に対して回転させながら軸方向に進行させ、
前記圧入機構は、前記内周面に形成され前記第2の隆起状部とは異なるリード角で螺旋状の第3の隆起状部を有し、締結開始工程において、前記第2の隆起状部と前記第3の隆起状部との間に前記第1の隆起状部を進行させてくさび状に圧入させて前記弾性変形を発生させ、締結解除工程において、前記弾性変形からの回復力で、前記係止機構の係止解除を補助すること、
を特徴とする請求項1記載の締結構造。 - 前記第1の部材の外周面に、等間隔で平行な複数の凸条が形成され、
前記複数の凸条のうちの隣接する2つの凸条が、前記第1の隆起状部となり、
前記2つの凸条の一方が前記第2の隆起状部に接触し、他方が前記第3の隆起状部に接触すること、
を特徴とする請求項6記載の締結構造。 - 前記第2および第3の隆起状部または前記第1の隆起状部、あるいはそれらの両方は、曲面の凸条の先端を有することを特徴とする請求項6記載の締結構造。
- 前記第2の隆起状部と前記第3の隆起状部とのリード角の差は、1度から3度までの範囲のいずれかの値であることを特徴とする請求項6記載の締結構造。
- 前記第1および第2の部材の少なくとも一方が、前記第1および第2の部材が互いに当接する箇所にリング状かつ先細の隆起状部を有し、
前記第1および第2の部材を互いに係止された状態では、前記第1の部材の円筒先端が前記第2の部材に圧接すること、
を特徴とする請求項1記載の締結構造。 - 前記第2の部材には、前記第1および第2の部材を互いに係止された状態で前記第1の部材の内周面に当接するインナーリングが形成されていることを特徴とする請求項1記載の締結構造。
- 前記係止機構は、前記第1の部材に形成されているリブを、弾性変形させつつ前記第2の部材に形成されているリブを乗り越えさせて前記第2の部材に形成されているリブに引っかけて、前記第1および第2の部材を互いに係止させることを特徴とする請求項1記載の締結構造。
- 前記第1の部材に形成されているリブは、円周リブであることを特徴とする請求項1記載の締結構造。
- 前記第1の部材に形成されているリブおよび前記第2の部材に形成されているリブは、円周リブであることを特徴とする請求項12記載の締結構造。
- 前記第1の部材に形成されているリブおよび前記第2の部材に形成されているリブの表面は、曲面であることを特徴とする請求項14記載の締結構造。
- 前記第1の部材に形成されているリブは、円周に沿って間欠的に形成されている複数のリブであることを特徴とする請求項1記載の締結構造。
- 前記複数のリブの一部または全部は、それぞれ梁の上に形成されていることを特徴とする請求項16記載の締結構造。
- 前記第1部材の内周面には、前記第1および第2の部材を互いに係止する過程で前記インナーリングが当接する箇所に通気溝が形成されていることを特徴とする請求項11記載の締結構造。
- 前記第1および第2の部材を互いに係止された状態で前記インナーリングが前記通気溝を閉塞することを特徴とする請求項18記載の締結構造。
- 締結部分がそれぞれ円筒状である第1の部材と第2の部材とが互いに繰り返し着脱可能な2部材の着脱方法において、
締結開始工程と、
締結解除工程とを備え、
前記締結開始工程では、前記第1の部材と前記第2の部材との間に加わる軸方向の力を周方向の力へ変換するガイド機構により、前記第1の部材と前記第2の部材との間に加わる軸方向の力で、前記第1および第2の部材の一方を他方に対して回転させながら軸方向に進行させ、圧入機構により、前記ガイド機構による進行に伴い、前記第1および第2の部材の一方を他方へ徐々に弾性変形を増加させつつ圧入させ、係止機構により、前記第1および第2の部材の一方の、他方に対する進行に伴い前記第1および第2の部材が互いに当接した状態で、前記第1の部材に形成されているリブを前記第2の部材に引っかけて、前記第1および第2の部材を互いに係止させ、
前記締結解除工程では、前記ガイド機構により、前記第1の部材と前記第2の部材との間に加わる周方向の力で前記第1および第2の部材の一方を他方に対して回転させながら軸方向に進行させ、前記ガイド機構により軸方向の力が発生し、前記軸方向の力で前記係止機構の係止を解除させ、
前記係止機構の係止が解除される時に、前記圧入機構による弾性変形が減少すること、
を特徴とする2部材の着脱方法。
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JPS59155229A (ja) * | 1983-01-28 | 1984-09-04 | ゼネラル シグナル コ−ポレ−シヨン | 電気器具用二部分ハンドル組立体 |
JPS61140755U (ja) * | 1985-02-20 | 1986-08-30 | ||
JPH0484906U (ja) * | 1990-11-30 | 1992-07-23 | ||
JP2004125069A (ja) * | 2002-10-03 | 2004-04-22 | Hitoshi Maejima | 二構成部材間の締結装置およびその締結方法 |
JP2007204098A (ja) * | 2006-01-31 | 2007-08-16 | Japan Crown Cork Co Ltd | 容器体とキャップとの組合せ |
-
2009
- 2009-09-01 JP JP2009539328A patent/JPWO2010035408A1/ja active Pending
- 2009-09-01 WO PCT/JP2009/004276 patent/WO2010035408A1/ja active Application Filing
Patent Citations (6)
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JPS57194938A (en) * | 1981-05-13 | 1982-11-30 | Crown Cork Japan | Vessel having vessel cover fly preventive characteristic and combination of vessel and vessel cover |
JPS59155229A (ja) * | 1983-01-28 | 1984-09-04 | ゼネラル シグナル コ−ポレ−シヨン | 電気器具用二部分ハンドル組立体 |
JPS61140755U (ja) * | 1985-02-20 | 1986-08-30 | ||
JPH0484906U (ja) * | 1990-11-30 | 1992-07-23 | ||
JP2004125069A (ja) * | 2002-10-03 | 2004-04-22 | Hitoshi Maejima | 二構成部材間の締結装置およびその締結方法 |
JP2007204098A (ja) * | 2006-01-31 | 2007-08-16 | Japan Crown Cork Co Ltd | 容器体とキャップとの組合せ |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011189970A (ja) * | 2010-03-15 | 2011-09-29 | 3R Produce:Kk | 締結構造および容器 |
JP2013177170A (ja) * | 2012-02-28 | 2013-09-09 | Yoshino Kogyosho Co Ltd | 容器 |
US9764877B2 (en) | 2014-06-02 | 2017-09-19 | Tr Holdings Inc. | Capped container |
US20220055029A1 (en) * | 2020-08-24 | 2022-02-24 | Hangzhou D2 Technology CO., LTD. | Detection Device For A Sample Detection |
CN115072959A (zh) * | 2022-07-06 | 2022-09-20 | 华夏中然生态科技集团有限公司 | 一种小型高效医院污水站污泥脱水装置 |
CN115072959B (zh) * | 2022-07-06 | 2023-06-30 | 华夏中然生态科技集团有限公司 | 一种小型高效医院污水站污泥脱水装置 |
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