WO2011099136A1 - ホースクランプ - Google Patents
ホースクランプ Download PDFInfo
- Publication number
- WO2011099136A1 WO2011099136A1 PCT/JP2010/052021 JP2010052021W WO2011099136A1 WO 2011099136 A1 WO2011099136 A1 WO 2011099136A1 JP 2010052021 W JP2010052021 W JP 2010052021W WO 2011099136 A1 WO2011099136 A1 WO 2011099136A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- knob
- main body
- lock
- hose clamp
- piece
- Prior art date
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Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
- F16L33/03—Self-locking elastic clips
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- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/1459—Separate connections
- Y10T24/1461—One piece
- Y10T24/1463—Sheet metal
- Y10T24/1469—End-to-end integral with band connecting means
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/1478—Circumferentially swagged band clamp
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1457—Metal bands
- Y10T24/148—End-to-end integral band end connection
Definitions
- the present invention relates to a hose clamp.
- a hose clamp has been used to connect a pipe and a hose.
- the hose clamp disclosed herein has a main body portion bent into an annular shape, and at both ends thereof, a pick piece that is picked and operated by a tool is erected and formed.
- both knobs are picked up and approached, both knobs are moved in the radial direction so that the lock provided on one of the knobs rides on a receiving part that protrudes radially outward on the other knob.
- Both knobs are relatively elastically deformed, and after riding, they are restored and deformed to complete their engagement. In this way, the hose clamp is held in an expanded state, and is fitted into the outer periphery of the hose in the expanded state prior to connection work.
- a rod-shaped release jig When a hose is tightened, a rod-shaped release jig is used. Place the middle part of the release jig on the upper end of the handle on the side where the receiving part is provided, and use this as the fulcrum of the lever, and apply the tip of the release jig to the base of the other handle. The release operation is performed as the action point of “.
- the main body part when the main body part is elastically deformed in the reverse order to the elastic displacement at the time of the locking operation and the locking is released, the main body part is displaced into a reduced diameter state at a stretch by the elastic restoring force of the main body part.
- the length of the knob is set to make the operation smooth. Specifically, the knob (the side on which the receiving portion is provided) on the side serving as a fulcrum of the “lever” is formed short.
- the present invention has been completed based on the above circumstances, and an object thereof is to provide a hose clamp capable of smoothly transitioning from a reduced diameter state to an expanded diameter state.
- the invention of claim 1 is a hose clamp for connecting a hose to a pipe, wherein both ends of the hose are intersected on a circumferential surface while bending a belt-like spring piece into an annular shape.
- a main body portion that is elastically displaceable between a reduced diameter state and an expanded diameter state, a first knob formed by raising one end side of the main body portion radially outward of the main body portion, and a main body The other end side of the portion is provided on one side of the second knob piece, the second knob piece, which is opposed to the first knob piece by raising the other end side of the main body portion in the radial direction, and on the other side.
- the restricting portion is slidably contacted with the opposite portion of the other end portion of the main body portion in the process in which both knobs are approaching, so that the lock portion and the lock receiving portion A guide surface for guiding the locking operation is formed.
- the restricting portion also exerts the guiding function of the locking operation in addition to the function of regulating the original track when the locking portion and the receiving portion perform the locking operation. It can be performed smoothly.
- the restricting portion protrudes integrally at one end portion of the main body portion, and is formed in an upward slope toward the other end portion. It is the composition which is.
- the restricting portion is arranged at a central portion in the width direction of the main body portion.
- the end portion of the main body portion has a central portion in the width direction and an opening portion along the length direction.
- a first length piece is formed by folding a predetermined length range of one end portion radially outward while including a part of the cutout portion, and the other end portion of the main body portion extends in a circumferential direction with respect to the meat removal portion.
- a predetermined length range of the main body portion is bent radially outward to form a second knob piece, and the lock portion is formed on the first knob piece side, and the lock receiving portion Is formed on the second knob piece side, and the restricting portion protrudes from the base portion of the second knob piece and can contact the lock portion.
- the restricting portion can restrict the orbit of the locking operation using the lock portion.
- the restricting portion is formed by causing two cuts along the circumferential direction of the main body portion, and the side close to the second knob is a free end. It is the composition which becomes.
- the restricting portion is formed from the portion constituting the peripheral surface of the main body portion to the standing portion constituting the second knob piece at the base portion of the second knob piece. It is the structure made into the inclined surface made.
- the restricting portion includes a portion constituting the peripheral surface of the main body portion and a standing portion constituting the second knob piece at the base portion of the second knob piece. It is the structure formed in the rib shape which protruded to the outer surface side so that it might be in between, and inclined.
- the restricting portion is a staircase extending from the portion constituting the peripheral surface of the main body portion to the standing portion constituting the second knob piece at the base portion of the second knob piece. It is the structure made into the bending part formed in the shape.
- the restricting portion can be formed without providing an opening in the main body portion, the strength of the main body portion is not reduced.
- the lock receiving portion is an opening formed in the second knob, and the lock portion penetrates the tip of the lock receiving portion through the opening.
- the second knob is locked on the outer circumferential side of the second knob, and the tip of the second knob is bent away from the first knob, and the lock is locked to the lock receiver. In this state, the distal end position of the lock portion is retracted inward in the circumferential direction from the distal end position of the second knob.
- the lock portion causes its tip portion to pass through the opening portion of the lock receiving portion. In this state, it is engaged with the back side of the lock receiving portion.
- the distal end portion of the lock portion penetrating the lock receiving portion is positioned to be retracted inward in the circumferential direction from the distal end of the second knob, the tool hardly interferes with the distal end portion of the lock portion. Therefore, it is possible to smoothly perform the work for making the main body portion in the expanded state.
- the restriction portion and the end portion on the side where the restriction portion is not provided are provided.
- the opposing part By contacting the opposing part, it is possible to restrict the lock part and the lock receiving part from being displaced in a direction opposite to the direction of relative elastic deformation at the time of locking. Therefore, the locking operation between the lock portion and the receiving portion can be performed smoothly.
- a perspective view showing a hose clamp in the same expanded state Sectional view showing the work status when releasing the expanded diameter state
- the top view which shows the principal part of the work situation when canceling the diameter expansion state Top view of the release jig
- Side view showing a partially broken situation during the transition from the reduced diameter state to the expanded state
- a side view showing a partially broken situation at the time when the work is completed
- Embodiment 1 shows Embodiment 1 of the present invention.
- the hose clamp HC of the first embodiment is made of a metal leaf spring material. When the hose clamp HC is deployed, it is in the form of a long piece, and a pair of triangular windows 1 are passed through the central portion in the length direction.
- the hose clamp HC is bent into a ring shape to form the main body 2.
- On one side of the main body 2 a thinned portion 3 is formed so as to penetrate in a region from the central portion to the end portion in the length direction.
- the thinned portion 3 is formed so as to gradually become narrower toward the end on the triangular window 1 side.
- a narrow portion 4 is formed in the region near the end on the other side of the main body 2 by removing both side edges in the width direction.
- the main body 2 is bent so that the narrow portion 4 forms the same peripheral surface with respect to the thinned portion 3, and a clearance is held between the narrow portion 4 and the opening edge of the thinned portion 3. .
- the wide portion 5 is formed to protrude from the end of the narrow portion 4.
- the end on the side where the lightening portion 3 is formed is erected outward in the radial direction while including a portion of the lightening portion 3, thereby forming a first knob 6.
- a second knob 7 is formed by standing outward in the radial direction while partially including the narrow portion 4 at the end portion on the side where the wide portion 5 is formed. As shown in FIGS. 3, 6, 7, and the like, the second knob 7 is bent outward at a substantially central portion in the height direction (a height region where a later-described escape hole 13 is opened). Both the knobs 6 and 7 themselves are formed with substantially the same length, but the second knob 7 is bent halfway so that its upper end is compared with the upper edge of the first knob 6 as a hose.
- the position is low with respect to the radial direction of the clamp HC. Further, the bending allowance of the upper end portion of the second knob 7 is the position of the tip of the arm portion 9 to be described later when the hose clamp HC is held in the diameter-expanded state (the state shown in FIGS. 2, 7, etc.). Is set so as to be retracted backward from the tip of the second knob 7 by a predetermined distance D in the horizontal direction in the figure.
- the knobs 6 and 7 are brought close to each other with the tool T, the tool T does not come into contact with the distal end of the arm portion 9, and a situation that hinders the approaching operation can be avoided in advance.
- a hole 8 is opened at the upper end of the first knob 6 and is formed in a rectangular shape that is long in the width direction.
- a lock portion L1 projects from the lower edge portion of the punch hole 8 and at the center in the width direction.
- the base portion of the lock portion L1 gradually becomes narrower as it goes downward, bends in an arc shape and toward the second knob 7 side, and then extends substantially parallel to the tangential direction of the main body portion 2
- An arm portion 9 is formed.
- the tip of the arm portion 9 protrudes at substantially right angles to both sides in the width direction to form a claw portion 10.
- a circular arc surface 11 is formed on the outer peripheral surface of the claw portion 10 from the tip to both sides in the width direction.
- the claw portion 10 is formed with a guide surface 12 that is inclined slightly upward from the arm portion 9.
- claw part 10 in the lock part L1 latches is opened in the 2nd knob 7.
- the receiving portion A1 includes a wide escape hole 13 formed on the upper side and a narrow locking hole 14 formed so as to communicate with the escape hole 13 on the lower side.
- the escape hole 13 opens with a size that allows the claw portion 10 of the lock portion L1 to be inserted and removed, and the locking hole 14 can fit the arm portion 9 from the radial direction but cannot pass the claw portion 10 in the circumferential direction. It is formed with a width dimension. In a state where the claw portion 10 is locked in the locking hole 14, the diameter is maintained in an expanded state, and the inner diameter of the main body 2 at this time is set to be larger than the outer diameter of the hose H to be connected.
- the main body portion 2 is reduced in diameter by its own elastic restoring force (shown in FIG. 1 and the like). State).
- the inner diameter of the main body 2 at this time is set to be sufficiently smaller than the outer diameter of the hose H.
- a restricting portion R1 is provided on the peripheral surface of the main body portion 2 and at the base portion of the second knob 7.
- the regulating portion R1 plays a role of regulating the lifting of the second knob 7 when the hose clamp HC is shifted from the reduced diameter state to the enlarged diameter state.
- the restricting portion R1 is formed by making two cuts along the circumferential direction at an interval in the width direction on the peripheral surface of the main body portion 2 and by raising the end portion close to the second knob 7 as a free end. Is formed.
- the upper surface of the restricting portion R1 forms a guide surface 15 for guiding the lock portion L1 to the receiving portion A1.
- the guide surface 15 rises with a gentle arc surface from the base portion of the restricting portion R1, and thereafter extends so as to extend along the peripheral surface of the main body portion 2 toward the free end.
- the protruding height of the restricting portion R1 is set so that the guide surface 15 is in sliding contact with the lower surface of the lock portion L1 in the process in which both the knob pieces 6 and 7 are operated to approach each other. Further, regarding the protruding height of the restricting portion R1, when the lock portion L1 comes into contact with the restricting portion R1, the lower face side of the tip of the claw portion 10 is the receiving portion A1. The dimension is set so that it can be guided to the lower edge of the escape hole 13.
- the hose clamp HC in the expanded state is loosely inserted from the end of the hose H.
- the hose H is connected to the pipe, and the hose clamp is moved to the connection portion between the hose H and the pipe PI.
- the expanded diameter state is released using a releasing jig J as shown in FIG.
- the release jig J has a grip portion J1 and a release portion J2 for release operation formed by a flat plate material.
- a pair of stopper pieces J3 project from both ends of the release portion J2.
- the release portion J2 In releasing the expanded state of the hose clamp HC, the release portion J2 is caused to enter the first knob 6 side so as to pass over the second knob 7. And the front-end
- the hose clamp HC is prevented from rotating when the upper end of the second knob 7 comes into contact with the intermediate part of the release portion J2 (state in FIG. 3). If the release jig J is further pushed in this state, the release jig J receives a pressing force on the second knob 7 side, and conversely, the first knob 6 side receives a lifting force.
- the claw portion 10 is removed from the locking hole 14 of the receiving portion A1. Thus, the locking between the lock portion L1 and the receiving portion A1 is released.
- the main body 2 instantaneously shifts in the direction of diameter reduction by its own elastic restoring force, tightens the connecting portion between the hose H and the pipe, and the connecting operation of the hose H is completed.
- the tip of the release portion J2 can be easily inserted into the punch hole 8, and Since the pushing force with respect to the upper end of the two knobs 7 can be set in a direction substantially along the radial direction, the releasing force can be effectively applied.
- the piece 6 side is elastically displaced radially outward, and the second knob 7 side is elastically displaced radially inward.
- the claw part 10 enters the escape hole 13 deeply while gradually riding on the lower edge of the escape hole 13.
- the arm portion 9 enters the locking hole 14.
- the claw portion 10 engages with the wall surfaces on both sides of the engagement hole 14 while entering.
- the hose clamp HC is again held in the expanded diameter state.
- the tool T tends to incline to the 2nd pick piece 7 side.
- the 2 knob 7 side is lifted.
- the lock part L1 comes into contact with the restricting part R1 and the lifting on the second knob part 7 side is restricted. Therefore, the knobs 6 and 7 are locked. It is possible to secure a regular trajectory when the locking operation between the portion L1 and the receiving portion A1 is performed. Therefore, the transition work from the reduced diameter state to the expanded diameter state can be performed smoothly.
- the free end of the restricting portion R1 faces the second pick piece 7, that is, the free end of the restricting portion R1 is not faced in the direction in which the lock portion L1 approaches. Interference between the lock portion L1 and the restricting portion R1 can be avoided during the 6 and 7 approach operations. Further, since the restricting portion R1 is disposed at the center portion in the width direction of the main body portion 2, it is possible to balance the trajectory restriction and the locking operation with respect to both the knob pieces 6 and 7 in the width direction. Further, as shown in FIG. 7, even when the knobs 6 and 7 are brought close to each other with the tool T to reach the expanded diameter state, the tip of the arm portion 9 is more than the position of the bent tip of the second knob 7. Since it is retracted and positioned rearward in the horizontal direction, the interference between the tool T and the arm portion 9 is avoided during the transition operation to the expanded diameter state, so that the operation can be performed smoothly.
- FIG. 8 shows Embodiment 2 of the present invention.
- the lock portion L2 in the present embodiment is formed with a uniform width from the root portion to the tip, and a locking recess 16 is cut out on one side in the width direction near the tip.
- the lower half of the receiving portion A2 and the half on one side facing the locking recess 16 is raised one step to form a locking step 17.
- the guide portion 15 receives a guide operation by the guide surface 15, and the distal end portion of the lock portion L ⁇ b> 2 is inserted into the space above the locking step 17 in the receiver portion A ⁇ b> 2.
- the locking step 17 is locked by being fitted into the locking recess 16 by the restoring force.
- the hose clamp HC can be held in an expanded state.
- the operation of releasing the expanded diameter state is performed by pushing the release jig J as in the first embodiment.
- FIG. 9 shows Embodiment 3 of the present invention.
- the lock portion L3 in the present embodiment is also formed with a uniform width, and a lock hole 18 is opened in a square shape at a position near the tip and in the center in the width direction.
- a locking projection 19 is formed to project at the lower edge of the receiving portion A3 and at the center in the width direction.
- the lock portion L3 is guided by the guide surface 15 of the restricting portion R3 and is inserted into the space above the locking projection 19 in the receiving portion A3. 18 is fitted, the locking projection 19 is fitted into the lock hole 18 by the elastic restoring force of the main body 2. As a result, the hose clamp HC can be held in an expanded state.
- the releasing operation of the expanded diameter state is performed by the same operation as each embodiment.
- Other configurations are the same as those in the first and second embodiments.
- FIG. 10 shows Embodiment 4 of the present invention.
- the lock portion L4 projects the distal end portion of the arm portion 9 to both sides in the width direction to form an overhang portion 20, and forms a hook edge 21 by projecting the both side edges downward.
- the lower edges of both hooking edges 21 are formed with an inclined surface 22 that is inclined upward toward the front end side, so that the locking operation between the lock portion L4 and the receiving portion A4 is performed smoothly.
- a pair of locking grooves 23 are formed in the lower edge portion of the receiving portion A4 and on the outer surface side (the back side of the surface facing the lock portion L4).
- the lock portion L4 When the two knobs 6 and 7 approach each other, the lock portion L4 receives the guiding operation by the guide surface 15 of the restricting portion R4, the overhang portion 20 is inserted into the receiving portion A4, and when the whole passes through the receiving portion A4, the main body Due to the elastic restoring force of the part 2, both hooking edges 21 are fitted into the corresponding locking grooves 23 and locked. Thereby, since the lock portion L4 and the receiving portion A4 are locked without being displaced in the width direction, it is possible to stably hold the expanded state of the hose clamp HC.
- the operation for releasing the expanded diameter state is performed by the same operation as in each of the embodiments described above.
- Other configurations are the same as those of each embodiment.
- FIG. 11 shows Embodiment 5 of the present invention.
- the lock portion L5 in the present embodiment is formed with a uniform width, and an obliquely downward folded piece 24 is formed at the tip portion.
- the folded piece 24 comes into sliding contact with the guide surface 15 of the restricting portion R5 to guide the locking operation with respect to the receiving portion A5.
- the entire folded piece 24 passes through the receiving portion A5, it is locked to the lower edge portion of the receiving portion A5 by the elastic restoring force of the main body portion 2, and the hose clamp HC is held in an expanded state.
- the operation for canceling the expanded diameter state is the same as that in each of the above-described embodiments, and other configurations are also the same as in each of the embodiments.
- FIG. 12 shows Embodiment 6 of the present invention.
- the front end of the lock portion L6 is formed wide and the front end is warped.
- cuts are made from the rear edge of the wide portion toward the front end partway, and then bent obliquely downward to form a pair of locking claws 25.
- the knobs 6 and 7 approach each other, the wide portion is brought into sliding contact with the guide surface 15 of the restricting portion R6 to guide the locking operation with respect to the receiving portion A6.
- both locking claws 25 pass through the receiving portion A6, the elastic restoring force of the main body portion 2 locks the lower edge portion of the receiving portion A6, and the hose clamp HC is held in an expanded state.
- the operation for canceling the expanded diameter state is the same as that in each of the above-described embodiments, and other configurations are also the same as in each of the embodiments.
- FIG. 13 shows Embodiment 7 of the present invention.
- the lock portion L7 in the present embodiment is formed to have a uniform width, and the hooking claw 26 protrudes downward toward the tip.
- the hooking claw 26 is formed by cutting and raising so as to extend obliquely rearward from the tip side.
- the hooking claw 26 comes into sliding contact with the guide surface 15 of the restricting portion R7 to guide the locking operation with respect to the receiving portion A7.
- the hooking claw 26 passes through the receiving portion A7, it is locked to the lower edge portion of the receiving portion A7 by the elastic restoring force of the main body portion 2, and the hose clamp HC is held in an expanded state.
- the operation for canceling the expanded diameter state is the same as that in each of the above-described embodiments, and other configurations are also the same as in each of the embodiments.
- FIG. 14 shows an eighth embodiment of the present invention.
- the lock portion L8 of the present embodiment is formed by bending one end of the piece partitioning between the punching hole 8 and the lightening portion 3 to the second knob 7 side substantially at a right angle with the one end side as a free end.
- a claw piece 27 is formed at the distal end portion of the lock portion L8, and an inclined surface 28 is formed on the lower surface of the claw piece 27 so as to rise upward toward the distal end.
- the restricting portion R8 is disposed on one side in the width direction of the base portion of the second knob 7 so that the restrictor R8 is positioned almost directly below the track drawn by the claw piece 27 when the knobs 6 and 7 approach each other.
- the receiving portion A8 is formed by notching one side of the tip of the second knob 7 over a predetermined height range from the upper end.
- the inclined surface 28 of the claw piece 27 of the lock portion L8 comes into sliding contact with the guide surface 15 of the restricting portion R8 to guide the locking operation with respect to the receiving portion A8.
- the lock portion L8 is locked to the receiving portion A8 by the restoring force of the main body portion 2 when the claw piece 27 passes through the receiving portion A8, and holds the hose clamp HC in an expanded state.
- the operation for canceling the expanded diameter state is the same as that in each of the above-described embodiments, and other configurations are also the same as in each of the embodiments.
- FIG. 15 shows Embodiment 9 of the present invention.
- All of the restricting portions of the embodiment described above are formed by cutting from the main body portion, but the restricting portion R9 of the present embodiment constitutes the peripheral surface of the main body portion 2 at the base portion of the second knob 7.
- the entire width portion between the portion to be formed and the standing portion constituting the second knob 7 is bent in an inclined shape.
- the inclined surface forms a guide surface 15 and the upper end edge is located near the lower edge of the receiving portion A9.
- Other configurations are the same as those of each embodiment.
- FIG. 16 shows a tenth embodiment of the present invention.
- the restricting portion R9 is formed over the entire width of the base portion of the second knob 7.
- the restricting portion R10 of the present embodiment is a rib-like shape in which the central portion in the width direction is inclined by pressing over a predetermined width. It was something that was knocked out.
- Other configurations are the same as those of the ninth embodiment.
- FIG. 17 shows Embodiment 11 of the present invention.
- the restricting portion R9 in the ninth embodiment is formed as an inclined surface that extends from the portion constituting the peripheral surface of the main body portion 2 to the portion constituting the second knob 7; however, the restricting portion R11 in this embodiment is formed in a stepped shape. ing.
- FIG. 19 shows Embodiment 13 of the present invention.
- the hose clamp HC according to the twelfth embodiment is used as it is, and an auxiliary ring 29 for increasing the spring force is attached to the outer peripheral portion of the main body 2.
- the auxiliary ring 29 is formed in an annular shape with the same material as the main body 2 and partly separated by a plate material having substantially the same width.
- the auxiliary ring 29 is fitted to the outer peripheral surface of the main body 2 so as to be in close contact with the entire periphery of the region excluding the space between the two knobs 6 and 7. This close contact state is always maintained while the body portion 2 is elastically deformed between the expanded state and the contracted state.
- the problem to be solved by the present invention is that one side of the knob 7 is lifted out of the normal orbit when the knobs 6 and 7 are approaching.
- Such a phenomenon is considered to occur easily when a thin hose H is a connection target. That is, it is considered that it is likely to occur in the hose clamp HC that must be manufactured with a thin plate material having a small diameter and relatively low rigidity.
- such a hose clamp HC having a low spring force can be strengthened, and a normal trajectory can be drawn when the knobs 6 and 7 approach each other.
- the restricting portion is formed integrally with the hose clamp. However, it may be formed separately and assembled to the hose clamp.
- the lock portion may be formed not on the first knob piece side but on the second knob piece side.
- the restricting portion of any of the embodiments has a function of slidingly contacting the lock portion and guiding the locking operation of the lock portion when the diameter is expanded, but the guide function is essential for the present invention. It is only necessary to have a function of regulating the displacement in the radial direction instead of the function of.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
Description
この規制部は、両摘み片が周方向に沿って接近する過程で生じる弾性変位の方向とは逆向きに変位するのを、本体部の他方の端部における径方向での対向部位と当接することによって規制可能な構成である。
図1から図7は本発明の実施形態1を示している。本実施形態1のホースクランプHCは金属製の板ばね材よりなる。ホースクランプHCの展開状態では長片状をなし、長さ方向の中央部には一対の三角窓1を貫通させている。ホースクランプHCはリング状に曲げ加工されて本体部2を形成している。本体部2の片側であって、長さ方向の中央部から端部にかけての領域には、肉抜き部3が貫通して形成されている。この肉抜き部3は三角窓1側の端部に向うにつれて徐々に幅狭となるように形成されている。本体部2の他方側の端部寄り領域には幅方向の両側縁を除肉して幅狭部4が形成されている。本体部2は、幅狭部4が肉抜き部3に対し同一周面をなすようにして曲げられ、幅狭部4と肉抜き部3の開口縁との間にはクリアランスが保有されている。また、幅狭部4の端部には幅広部5が張り出すようにして形成されている。
さらに、図7に示すように工具Tによって両摘み片6,7を接近させて拡径状態に至らしめた時点でも、アーム部9の先端は第2摘み片7の屈曲した先端の位置よりも水平方向に関して後方へ引っ込んで位置するため、拡径状態への移行作業中に工具Tとアーム部9との干渉が回避されるため、作業を円滑に行うことができる。
図8は本発明の実施形態2を示している。本実施形態におけるロック部L2は根元部分から先端に至るまで均一幅をもって形成され、先端部寄りの位置であって幅方向の片側には係止凹部16が切欠き形成されている。一方、受け部A2の下縁部であって係止凹部16と対向する片側半分は一段高くなって係止段差17が形成されている。
図9は本発明の実施形態3を示している。本実施形態におけるロック部L3も均一幅をもって形成され、先端部寄りの位置であって幅方向中央部にはロック孔18が方形状に開口している。一方、受け部A3の下縁部であって幅方向中央部には係止突起19が突出形成されている。
その他の構成は、実施形態1及び実施形態2と同様である。
図10は本発明の実施形態4を示している。本実施形態におけるロック部L4はアーム部9の先端部を幅方向両側へ張り出して張出部20を形成するとともに、その両側縁部を下向きに突出させて引っ掛け縁21を形成している。両引っ掛け縁21の下縁は先端側に向けて上り勾配となる傾斜面22が形成され、ロック部L4と受け部A4との係止動作が円滑になされるようにしてある。一方、受け部A4の下縁部であってその外面側(ロック部L4との対向面の背面側)には一対の係止溝23が凹み形成されている。
図11は本発明の実施形態5を示している。本実施形態におけるロック部L5は均一幅をもって形成されるとともに、先端部に斜め下向きの折り返し片24を形成している。両摘み片6,7が接近すると、折り返し片24が規制部R5の案内面15に摺接して受け部A5に対する係止動作が案内される。折り返し片24の全体が受け部A5を通過した時点で本体部2の弾性復元力により受け部A5の下縁部に係止し、ホースクランプHCを拡径状態に保持する。拡径状態の解除操作は前記した各実施形態と同様であり、その他の構成も各実施形態と同様である。
図12は本発明の実施形態6を示している。本実施形態におけるロック部L6の先端部は幅広に形成され、先端部は上反りして形成されている。一方、この幅広部分の後縁からは先端側へ向けて途中までそれぞれ切り込みが入れられた後、斜め下向きに屈曲して一対の係止爪25が形成されている。両摘み片6,7が接近すると、幅広部分が規制部R6の案内面15に摺接して受け部A6に対する係止動作が案内される。両係止爪25が受け部A6を通過した時点で本体部2の弾性復元力により受け部A6の下縁部に係止し、ホースクランプHCを拡径状態に保持する。拡径状態の解除操作は前記した各実施形態と同様であり、その他の構成も各実施形態と同様である。
図13は本発明の実施形態7を示している。本実施形態におけるロック部L7は均一幅に形成されるとともに、先端部寄りに下向きに引っ掛け爪26を突出している。この引っ掛け爪26は先端側から斜め後方へ向けて延出するように切り起しによって形成されている。両摘み片6,7が接近すると、引っ掛け爪26が規制部R7の案内面15に摺接して受け部A7に対する係止動作が案内される。引っ掛け爪26が受け部A7を通過した時点で本体部2の弾性復元力により受け部A7の下縁部に係止し、ホースクランプHCを拡径状態に保持する。拡径状態の解除操作は前記した各実施形態と同様であり、その他の構成も各実施形態と同様である。
図14は本発明の実施形態8を示している。本実施形態のロック部L8は抜き孔8と肉抜き部3の間を仕切っていた片の一端側を自由端として第2摘み片7側にほぼ直角に曲げて形成されている。ロック部L8の先端部には爪片27が形成され、爪片27の下面は先端に向けて上り勾配となる傾斜面28が形成されている。規制部R8は、両摘み片6,7が接近するときに爪片27が描く軌道のほぼ真下に位置するよう、第2摘み片7の根元部分における幅方向の片側に配置されている。一方、受け部A8は第2摘み片7の先端部の片側を上端から所定高さ範囲に亘って切り欠いて形成されている。
図15から図17は規制部に関する各種態様を示すものであり、このうち図15は本発明の実施形態9を示している。既述した実施形態の規制部は何れも本体部から切り起して形成されていたが、本実施形態の規制部R9は第2摘み片7の付け根部分において、本体部2の周面を構成する部分と第2摘み片7を構成する起立した部分との間にかけての全幅部分を傾斜状に曲げて形成している。この傾斜面は案内面15を形成し、上端縁は受け部A9の下縁部近くに位置するようにしてある。
他の構成は、各実施形態と同様である。
図16は本発明の実施形態10を示している。実施形態9は規制部R9を第2摘み片7の付け根部分の全幅に亘って形成したが、本実施形態の規制部R10は幅方向中央部を所定幅に亘ってプレス加工によって傾斜したリブ状に叩き出したものである。他の構成は実施形態9と同様である。
図17は本発明の実施形態11を示している。実施形態9における規制部R9は本体部2の周面を構成する部分から第2摘み片7を構成する部分に至る傾斜面として形成したが、この実施形態の規制部R11では階段状に形成されている。
図18は本発明の実施形態12を示している。本実施形態では、実施形態1と基本構成は同じである。相違点は、実施形態1では第2摘み片7を高さ方向の途中から外方へ大きく屈曲させたが、本実施形態における第2摘み片7は第1摘み片6と同様、先端部のみ外方へ僅かに屈曲させているに過ぎない。
このような構成であっても、工具Tによって両摘み片6,7を摘み操作する際に、工具Tの先端部によって、浅く第2摘み片7を摘むようにする限り、ロック部L1と工具Tとが干渉することが回避されるため、本実施形態のようなホースクランプの構成でも充分に使用可能である。
図19は本発明の実施形態13を示している。本実施形態では、実施形態12のホースクランプHCをそのまま利用し、さらに本体部2の外周部にばね力増強用の補助リング29を装着している。補助リング29は、本体部2と同材質にてほぼ同幅の板材によって一部が切り離された円環状をなして形成されている。また、補助リング29は本体部2の外周面に対し両摘み片6,7間を除く領域のほぼ全周に沿って密着した状態で嵌着されている。この密着状態は本体部2の拡径状態と縮径状態との間で弾性変形がなされる間、常に保持される。
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施態様も本発明の技術的範囲に含まれる。
(1)いずれの実施形態においても、規制部をホースクランプに一体に形成したが、別体に形成してホースクランプに組み付けるようにしてもよい。
(2)ロック部は第1摘み片側に形成するのでなく、第2摘み片側に形成してもよい。
(3)いずれの実施形態の規制部も、拡径操作される際にロック部と摺接して、ロック部の係止動作を案内する機能を有していたが、本発明にとって案内機能は必須の機能ではなく、径方向への変位を規制する機能さえ有していればよい。
6…第1摘み片
7…第2摘み片
10…爪部
15…案内面
29…補助リング
A1~A11…受け部
L1~L11…ロック部
R1~R11…規制部
H…ホース
HC…ホースクランプ
Claims (10)
- ホースを配管に接続するためのホースクランプであって、
帯状のばね片を円環状に曲げつつ両端部を周面上で交差させて形成され縮径状態と拡径状態との間で弾性変位可能な本体部と、
本体部の一端側を前記本体部の径方向外方へ起立させて形成された第1摘み片と、
前記本体部の他端側を前記本体部の径方向外方へ起立させ前記第1摘み片と対向する第2摘み片と、
前記第1摘み片と前記第2摘み片のうちいずれか一方側に設けられ他方側に向けて延出するロック部と、
前記他方側に設けられ前記第1摘み片と前記第2摘み片とが周方向に沿って接近する過程では前記ロック部との間で前記本体部の径方向へ相対的な弾性変位を生じさせ、その後の復帰動作により前記ロック部と係止し、係止状態では前記本体部を前記拡径状態に保持するロック受け部と、
前記本体部の一方の端部に設けられた規制部とを備え、
この規制部は、前記両摘み片が周方向に沿って接近する過程で生じる前記弾性変位の方向とは逆向きに変位するのを、前記本体部の他方の端部における径方向での対向部位と当接することによって規制可能であることを特徴とするホースクランプ。 - 前記規制部には、前記両摘み片が接近する過程で前記本体部の他方の端部の対向部位と摺接することで前記ロック部と前記ロック受け部との係止動作を案内する案内面が形成されていることを特徴とする請求項1に記載のホースクランプ。
- 前記規制部は、前記本体部の一方の端部に一体に突出し、かつ他方の端部へ向けて上り勾配に形成されていることを特徴とする請求項1又は請求項2に記載のホースクランプ。
- 前記規制部は、前記本体部の幅方向中央部に配置されていることを特徴とする請求項3に記載のホースクランプ。
- 前記本体部の一端部には幅方向の中央部でかつ長さ方向に沿って肉抜き部が開口するとともに、この肉抜き部の一部を含みつつ前記一端部の所定長さ範囲が径方向外方へ折り曲げられることで前記第1摘み片が形成され、前記本体部の他端部は前記肉抜き部に対して周方向に沿って嵌合するよう幅狭に形成されかつ前記本体部の所定長さ範囲が径方向外方へ折り曲げられることで前記第2摘み片が形成され、
前記ロック部は前記第1摘み片側に形成され、前記ロック受け部は前記第2摘み片側に形成され、
また、前記規制部は前記第2摘み片の付け根部分に突出し前記ロック部と当接可能であるとこを特徴とする請求項1又は請求項2に記載のホースクランプ。 - 前記規制部は、前記本体部の周方向に沿った2本の切り込みを起して形成されるとともに、前記第2摘み片に近い側が自由端となっていることを特徴とする請求項5に記載のホースクランプ。
- 前記規制部は、前記第2摘み片の付け根部分において前記本体部の周面を構成する部分から前記第2摘み片を構成する起立した部分にかけて形成された傾斜面であることを特徴とする請求項5に記載のホースクランプ。
- 前記規制部は、第2摘み片の付け根部分において本体部の周面を構成する部分と第2摘み片を構成する起立した部分との間に亘るようにして外面側へ突出させて傾斜したリブ状に形成されたものであることを特徴とする請求項5に記載のホースクランプ。
- 前記規制部は、前記第2摘み片の付け根部分において前記本体部の周面を構成する部分から前記第2摘み片を構成する起立した部分にかけて階段状に形成された曲げ部であることを特徴とする請求項5に記載のホースクランプ。
- 前記ロック受け部は、前記第2摘み片に形成された開口部であり、前記ロック部はその先端部を前記ロック受け部の開口部を貫通して前記第2摘み片の周方向外面側で係止するようになっており、かつ前記第2摘み片の先端部は前記第1摘み片から離間する方向へ屈曲し、前記ロック部が前記ロック受け部に係止した状態で、前記ロック部の先端位置が前記第2摘み片の先端位置より周方向内方へ引っ込んでいることを特徴とする請求項5に記載のホースクランプ。
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CN201080063611.0A CN102770701B (zh) | 2010-02-12 | 2010-02-12 | 软管夹 |
DE112010005254T DE112010005254T5 (de) | 2010-02-12 | 2010-02-12 | Schlauchklemme |
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US7987561B2 (en) * | 2007-12-13 | 2011-08-02 | Link-tech (Tianjin) Metal Products Co., Ltd. | Ear hose clamp having an indication arrangement |
JP4837704B2 (ja) * | 2008-05-19 | 2011-12-14 | 株式会社パイオラックス | ホースクランプ |
-
2010
- 2010-02-12 DE DE112010005254T patent/DE112010005254T5/de active Pending
- 2010-02-12 JP JP2011553686A patent/JP5378545B2/ja not_active Expired - Fee Related
- 2010-02-12 US US13/522,647 patent/US8850664B2/en active Active
- 2010-02-12 WO PCT/JP2010/052021 patent/WO2011099136A1/ja active Application Filing
- 2010-02-12 CN CN201080063611.0A patent/CN102770701B/zh active Active
Patent Citations (4)
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JPH0893980A (ja) * | 1994-09-28 | 1996-04-12 | Mazda Motor Corp | クランプ部材 |
JP2001027382A (ja) * | 1999-05-07 | 2001-01-30 | Togo Seisakusho Corp | ホースクリップ |
JP2003090474A (ja) * | 2001-07-11 | 2003-03-28 | Togo Seisakusho Corp | ホースクランプ |
JP2006038092A (ja) * | 2004-07-27 | 2006-02-09 | Togo Seisakusho Corp | ホースクランプ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9057459B2 (en) * | 2012-01-14 | 2015-06-16 | Norma Germany Gmbh | Spring band clip |
EP2615346A3 (de) * | 2012-01-14 | 2016-09-21 | NORMA Germany GmbH | Federbandschelle |
Also Published As
Publication number | Publication date |
---|---|
US8850664B2 (en) | 2014-10-07 |
CN102770701A (zh) | 2012-11-07 |
JP5378545B2 (ja) | 2013-12-25 |
DE112010005254T5 (de) | 2013-05-02 |
US20120291232A1 (en) | 2012-11-22 |
CN102770701B (zh) | 2015-08-05 |
JPWO2011099136A1 (ja) | 2013-06-13 |
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