WO2005100841A1 - 接続用クランプ装置 - Google Patents
接続用クランプ装置 Download PDFInfo
- Publication number
- WO2005100841A1 WO2005100841A1 PCT/JP2004/005220 JP2004005220W WO2005100841A1 WO 2005100841 A1 WO2005100841 A1 WO 2005100841A1 JP 2004005220 W JP2004005220 W JP 2004005220W WO 2005100841 A1 WO2005100841 A1 WO 2005100841A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strap
- strap band
- band
- connection
- auxiliary
- Prior art date
Links
Classifications
-
- 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
- F16L33/04—Hose-clips tightened by tangentially-arranged threaded pin and nut
-
- 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
- F16L33/04—Hose-clips tightened by tangentially-arranged threaded pin and nut
- F16L33/06—Hose-clips tightened by tangentially-arranged threaded pin and nut in which the threaded pin is rigid with the hose-encircling member
Definitions
- the present invention relates to a connection clamping device for reducing the diameter of an annular strap band having an end by means of a screw member and winding it around a connection portion with a predetermined tightening force.
- connection clamp device 49 there is a connecting clamp device described in FIG. 10.
- the auxiliary strap portion 50 connects the strap band 51 to the rubber hose 52.
- High surface pressure is generated between the two. For this reason, it is difficult to slide the auxiliary strap portion 50 along the rubber hose 52.
- the surface pressure between the strap band 51 and the rubber hose 52 gradually increases as a frictional force, so if the auxiliary strap 50 is forcibly pushed in against the frictional force, the auxiliary The rubber hose 52 is easily damaged by the tip of the strap section 50.
- the auxiliary strap portion 50 slides along the inner surface of the strap band 51, so that both are easily damaged and galling may occur.
- galling occurs, even if the bolt screw 54 is tightened, the propulsive force does not work effectively on the auxiliary strap portion 50, and in the worst case, galling also occurs between the bolt screw 54 and the nut 55. May not be able to be tightened.
- a gap 53 may be formed between the strap band 51 and the rubber hose 52 due to a difference in diameter therebetween. In this case, the strap band 5
- the band body may be distorted due to torsional deformation, and the tightening force on the connecting portion may be reduced.
- the torsional deformation of the band body tended to increase due to the strong torque.
- the band body in Japanese Utility Model Publication No. 2-10787 is a long and seamless body with no seams.
- adaptability to the member to be fastened may be deteriorated.
- a first object of the present invention is to insert a through hole formed at the end of an auxiliary strap portion into a strap band in an intersecting state, and to perform tightening at the time of tightening. Eliminates gaps between the strap band and the connection, and distributes the tightening force almost evenly to the connection. It is an object of the present invention to provide a connection clamping device that can prevent damage to the connection.
- a second object of the present invention is to use an auxiliary strap portion and a strap band which are separated as separate members, and set only the thickness dimension of a portion attached to the guide start end of the strap band to be large. By doing so, even when a large tightening force is required, the material cost can be saved and the ribbed strap portion and the strap band can be protected from torsional deformation in a cost-effective manner, and An object of the present invention is to provide a connection clamping device that meets the weight reduction required for automobiles and the like.
- a third object of the present invention is that the formation position of the communication port is the terminal end of the auxiliary strap portion where no pulling force acts, so that a decrease in the strength of the strap band can be suppressed as much as possible and the connection portion has a large size.
- the starting end of the auxiliary strap is connected and fixed to the inner surface of one end of the strap band.
- the end portion of the auxiliary strap portion has a through hole through which the other end of the strap band is slidably inserted.
- the guide start end and guide end provided on the strap band are tightened to reduce the diameter of the strap band and wind it around the connection portion.
- the thickness of the part of the strap band that can be attached to the guide start end is set to be larger than the thickness of the other parts. Since the end of the auxiliary strap has a through hole through which the strap band passes, the auxiliary strap crosses the strap band at the through hole, and the strap band is tightened. Slide on the outside. This eliminates a gap between the strap band and the connecting part during tightening, and distributes the high tightening force substantially evenly to prevent damage to the connecting part.
- the thickness of the part that is attached to the guide start end of the strap band is set larger than the other parts. For this reason, the torsional rigidity of the strap band attached to the guide start end is improved, and even when a large tightening force is required, material costs can be saved and the auxiliary strap can be advantageously cut in cost.
- the trap section and the strap band can be protected from torsional deformation.
- the strap band formed by the elastic body has a plurality of cut-and-raised pieces formed intermittently in the circumferential direction to elastically contact the connecting portion.
- the tip of the cut-and-raised piece is oriented in the direction opposite to the direction of tightening the strap band so that the tip does not bite into the connection part.
- the connection part weakens the elastic recovery due to the compression by the tightening force, and the strap against the connection part is weakened.
- the tightening force of the trap band may decrease.
- the cut-and-raised pieces press the connecting portion by the elasticity of the compressed portion of the connecting portion, and the reduced tightening force of the strap band is reduced. We can make up for it.
- the strap bun is caused by the elasticity of the cut and raised piece. This is advantageous because it can compensate for the hoof force of the arm.
- the node is provided integrally with a reinforcing flange that surrounds the guide start end and the guide end and that projects in parallel with the rotation direction of the screw member. Therefore, the cross-sectional area of the guide start end and the guide end end is increased by: t, and the torsional rigidity is increased and high strength is obtained. As a result, the strap band is prevented from being deformed in the torsional direction during the rotation operation of the screw member, and the tightening force is reduced in the P direction.
- FIG. 1 is a perspective view of a connection clamping device (Embodiment 1).
- connection clamp device (A) in Fig. 2 is a front view of the connection clamp device, and (port) is a side view of the connection clamp device.
- FIG. 3 is a front view showing the connection clamping device during winding.
- FIG. 4 is a front view showing the periphery of the screw member for explaining the operation.
- FIG. 5 are schematic views showing a method of forming the guide start end and guide end.
- FIG. 6 is a front view showing a main part of the connection clamping device
- (port) is a side view showing a main part of the connection clamping device (Example 2).
- FIG. 7 is a front view of the connection clamping device (Embodiment 3).
- FIG. 8A is a schematic diagram showing examples of various cut and raised pieces.
- FIG. 9 is an enlarged perspective view showing the intersection of the auxiliary strap portion and the strap band (Example 4).
- FIG. 10 is a front view of a conventional connection clamping device. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows a first embodiment of the present invention.
- a strap band 3 and an auxiliary strap portion 4 for winding the connection portion 2 such as a rubber hose by reducing the diameter are provided.
- the strap band 3 is formed in an end-shaped annular shape having a predetermined width W by, for example, an SUS304 stainless steel plate and an elastic body.
- the auxiliary strap part 4 is formed of the same material as the strap band 3 and has the same width.
- the starting end of the auxiliary strap portion 4 is connected and fixed to the inner surface of one end of the strap band 3 by spot welding G or the like, and the end portion has a rectangular shape extending in the circumferential direction with a predetermined width.
- Form B 5 This communication box 5 has
- the portion of the strap band 3 that passes through the through hole 5 is connected by spot welding G or the like, and is slightly narrower between the stepped start portion 3a and the end portion 3b. It is formed to the appropriate dimension K.
- the sliding range of the auxiliary strap portion 4 is set such that the front end portion 5a of the through hole 5 matches the end portion 3b, and the rear end portion 5b of the through hole 5 starts from the start end portion. 3 Regulated in area R until engagement with a. Thereby, the sliding displacement of the auxiliary strap portion 4 and the strap band 3 in the tightening direction is limited.
- the thickness dimension T of the grip portion 3A which is a portion of the strap band 3 to be attached to the guide start end 7 described later, is set to be relatively large together with the thickness dimension T of the auxiliary strap portion 4. ing.
- the thickness t of the length of the strap band 3 excluding the gripping portion 3A is set to a size that can easily be pressed against the connection portion I. In particular, increase the thickness T of the gripper 3 A
- the setting increases the torsional rigidity of the gripping portion 3A, and when the screw member 6 described later rotates, the strap band 3 is deformed in the torsional direction indicated by the arrow E in FIG. To prevent them from doing so.
- One end of the strap band 3 has a grip portion 3A curled outwardly fixed thereto, and the cylindrical guide start end portion 7 is firmly fitted into the grip portion 3A. I have.
- the other end of the strap band 3 has a grip that is bent outward. 33 B is fixed, and the cylindrical guide end portion 8 is firmly fitted into the grip portion 3 B.
- the guide start end 7 is formed through a guide hole 7a in a direction perpendicular to the axis, and the guide end 8 is provided with a nut 8a.
- the screw member 6 is a fastening bolt in which a hexagonal head and a male screw portion are integrally formed by rolling, for example.
- the screw member 6 is screwed into the nut 8a through the guide hole 7a of the guide starting end 7, and the male screw is brought into contact with the auxiliary strap 4 in a substantially circumscribed state.
- the auxiliary strap portion 4 is pressed downward by the screw member 6, as shown in FIG.
- a tightening pressure directed toward the center acts, and a substantially uniform tightening force can be maintained for the connection portion 2.
- the tubular guide Q is formed by drawing on one flat plate J for the tubular guide start end 7 and guide end 8.
- the flat plate J may be formed into an annular shape by press forming and continuously plastically deformed. According to this molding method, the formation of the guide start end 7 and the guide end 8 can be substantially completed in a single step, and a good yield can be obtained, contributing to an improvement in productivity.
- the screw member 6 is operated to rotate as shown by the arrow A in FIG. Then, the male screw portion is screwed into the nut P8a, and the guide end portion 8 moves in the direction approaching the guide start end 7 as shown by the arrow B in the figure. Because of this, the struff.
- the band 3 is wound around the lower surface side of the connecting portion 2 by the diameter reduction displacement.
- the end of the auxiliary strap part 4 slides on the outer part of the strap band 3 through the through hole 5 and is wound around the upper surface of the connection part 2. That is, the strap band 3 and the auxiliary strap part 4 are connected to the entire circumference of the connection part 1 by the diameter reduction displacement, and the connection part 2 is connected to the connection part 2 with a predetermined tightening force.
- the auxiliary strap portion 4 is Intersect with trap band 3 and slide on the outside of strap band 3. This eliminates the formation of a gap between the strap band 3 and the connecting portion 2 during tightening, and makes the distribution of the tightening force substantially uniform to prevent the connecting portion 2 from being damaged.
- the thickness T of the grip portion 3A of the strap band 3 is set relatively large to improve the torsional rigidity of the grip portion 3A. This prevents the strap band 3 and the auxiliary strap portion 4 from being torsionally deformed when the screw member 6 rotates, thereby preventing a decrease in the tightening force. Therefore, even when a large tightening force is required, material costs can be saved, and the auxiliary strap portion 4 and the strap band 3 can be protected from torsional deformation in a cost-effective manner.
- the thickness t of the auxiliary strap 4 can also be independently changed as needed.
- the position where the through hole 5 is formed is Because of the end of the stopper 4, even if the through hole 5 is formed wider, the tensile strength of the auxiliary strap 4 is not impaired during tightening. Therefore, the initial high tensile strength of the strap band 3 and the auxiliary strap portion 4 can be maintained, and it is possible to cope with a case where a large tightening force is required.
- an engine equipped with a turbocharger or a supercharger may be used as an engine that cools compressed air to improve the air filling rate.
- An example of connecting to an intake pipe is given.
- the turbocharger uses a compressor turbine to pump compressed air to the engine intake boat through the intake pipe and the intercooler.
- a large compressed air pressure is applied to the connection between the intake pipe and the interconnector, so that a large tightening force corresponding to the compressed air pressure needs to be applied to the connection.
- the guide start end 7 and the guide end 8 are formed in a tubular shape, they are hollow, which contributes to a reduction in material costs and a reduction in the overall weight, unlike solid ones. .
- FIG. 6 shows a second embodiment of the present invention.
- the flange portions 9 and 10 for reinforcement are integrally provided on the grip portions 3A and 3B.
- the reinforcing flanges 9 and 10 surround the guide start end 7 and guide end 8 as shown in (a) of FIG. 6 so that the projecting direction is parallel to the rotation direction of the screw member 6. Is formed. For this reason, the torsional rigidity of the guide start end 7 and the guide end 8 increases, and when the screw member 6 is rotated, the strap band 3 and the auxiliary strap portion are rotated. 4 prevents deformation in the torsional direction indicated by arrow E in (mouth) of Fig. 6.
- FIG. 7 and 8 show a third embodiment of the present invention.
- a plurality of cutting pieces 11 are intermittently formed in the strap band 3 in the circumferential direction, and the tips 11 a are elastically contacted with the outer peripheral surface of the connecting portion 2. ing .
- the tip 11 a of the cut-and-raised piece 11 1 is oriented in the direction opposite to the winding direction D of the strap band 3, and when the strap 3 is wound, the tip 11 a is connected.
- the connection section 2 is prevented from being damaged by cutting into the section 2.
- connection portion 2 is a rubber hose or the like
- the rubber hose or the like is compressed by the tightening force of the strap band 3 and contracts and deforms.
- the compression ratio of the rubber hose or the like is about 30%. Since rubber hoses have viscoelasticity with elastic aftereffect, the elastic recovery force is weakened by shrinkage due to the tightening force, and the tightening force after tightening Stratra Sopband 3 is 30 kg / 112 minutes. reduced to about cm 2.
- the cut-and-raised portion 11 1 presses the connecting portion 2 by the elastic force of the connecting portion 2, and the strap band 3 This can compensate for the reduced tightening force.
- a large tightening force is required for the connection 2 and the tightening force is substantially increased when the compression ratio for the connection 2 is increased.
- the tightening force of the strap band 3 can be supplemented by the elastic force of the cut and raised piece 11, which is advantageous.
- FIG. 8A an arc-shaped cut is formed in the strap band 3, and a tongue-shaped cut-and-raised piece 11 is provided.
- the cut-and-raised piece 8 of (a) is formed so as to be inclined by a predetermined angle with respect to the longitudinal direction of the strap band 3.
- a lip-shaped cut-and-raised piece 11 is provided by forming a lid-shaped notch.
- the cut-and-raised piece 11 of (C) is formed so as to be inclined at a predetermined angle with respect to the longitudinal direction of the strap band 3.
- arc-shaped cuts are formed in the circumferential direction at short intervals, and cut-up pieces 11 partially overlapping are formed.
- a cut-and-raised piece 11 having a substantially semicircular cross section is provided by being extruded by two rows of left and right cuts.
- a cut-and-raised piece 11 is provided, which is formed by extruding the left and right long pieces in a wavy shape in the circumferential direction by S-shaped cuts formed on the left and right with four stripes.
- a linear cut is formed in an inclined state, and a rectangular cut-and-raised piece 11 is formed by extrusion.
- a pair of arc-shaped cuts are formed on the left and right, and crescent-shaped cut-and-raised pieces 11 are provided in two rows on the left and right.
- FIG. 9 shows a fourth embodiment of the present invention.
- the band-shaped portion 12 of the auxiliary strap portion 4 forming the through hole 5 is formed to have a slightly wide dimension M. ⁇
- the width dimension N of the entrance 5 is set to be almost the same as the width dimension L of the auxiliary strap part 4.
- the overall length can be set to the same width, and the tensile strength can be maintained well without loss of tensile strength.
- the strap band 3 is not limited to a stainless steel plate of SUS304 series, but a copper plate or an alloy plate including reinforced synthetic resin may be used. Instead of the cut and raised pieces 11 formed on the strap band 3, a separate tongue piece may be attached to the strap band 3 by welding or the like.
- At least one of the two may be subjected to a surface treatment (tin plating, diamond-like-like-iron-like (DLC), TD method (salt bath, etc.), ion nitriding, TiC, TiCN, etc.).
- a surface treatment titanium plating, diamond-like-like-iron-like (DLC), TD method (salt bath, etc.), ion nitriding, TiC, TiCN, etc.
- the terminal end of the auxiliary strap portion has a through hole through which the other end of the strap band is passed.
- the auxiliary strap portion crosses the strap band with the through hole and slides on the outer portion of the strap band when tightening.
- no gap is formed between the strap band and the connecting portion during tightening, and the distribution of the tightening force is substantially uniform, thereby preventing damage to the connecting portion.
- the auxiliary strap part and the strap band which are separated as separate members, are used, and only the thickness of the part of the strap band attached to the guide start end is set to be large.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006512215A JPWO2005100841A1 (ja) | 2004-04-12 | 2004-04-12 | 接続用クランプ装置 |
PCT/JP2004/005220 WO2005100841A1 (ja) | 2004-04-12 | 2004-04-12 | 接続用クランプ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/005220 WO2005100841A1 (ja) | 2004-04-12 | 2004-04-12 | 接続用クランプ装置 |
Publications (1)
Publication Number | Publication Date |
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WO2005100841A1 true WO2005100841A1 (ja) | 2005-10-27 |
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ID=35150078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/005220 WO2005100841A1 (ja) | 2004-04-12 | 2004-04-12 | 接続用クランプ装置 |
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JP (1) | JPWO2005100841A1 (ja) |
WO (1) | WO2005100841A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009179305A (ja) * | 2008-02-01 | 2009-08-13 | Kawasaki Heavy Ind Ltd | 車輌用クランプ装置 |
JP2016528444A (ja) * | 2013-06-14 | 2016-09-15 | ストラブ ウェーク アーゲー | テンショニング又はパイプクランプ |
JP2016532824A (ja) * | 2013-05-23 | 2016-10-20 | パク、 ヘ ソ | ホースバンドを用いた配管の部分補修装置 |
JP2017020572A (ja) * | 2015-07-10 | 2017-01-26 | 有限会社アールストーン | 配管支持具 |
JP2017032042A (ja) * | 2015-07-31 | 2017-02-09 | 有限会社アールストーン | 配管支持具 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2806276A (en) * | 1954-08-04 | 1957-09-17 | Awica Products Inc | Clamp assembly |
JPS4810487Y1 (ja) * | 1968-03-27 | 1973-03-20 | ||
JPH01176293U (ja) * | 1988-06-01 | 1989-12-15 | ||
JPH0210877Y2 (ja) * | 1985-12-26 | 1990-03-16 |
-
2004
- 2004-04-12 WO PCT/JP2004/005220 patent/WO2005100841A1/ja active Application Filing
- 2004-04-12 JP JP2006512215A patent/JPWO2005100841A1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2806276A (en) * | 1954-08-04 | 1957-09-17 | Awica Products Inc | Clamp assembly |
JPS4810487Y1 (ja) * | 1968-03-27 | 1973-03-20 | ||
JPH0210877Y2 (ja) * | 1985-12-26 | 1990-03-16 | ||
JPH01176293U (ja) * | 1988-06-01 | 1989-12-15 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009179305A (ja) * | 2008-02-01 | 2009-08-13 | Kawasaki Heavy Ind Ltd | 車輌用クランプ装置 |
JP2016532824A (ja) * | 2013-05-23 | 2016-10-20 | パク、 ヘ ソ | ホースバンドを用いた配管の部分補修装置 |
JP2016528444A (ja) * | 2013-06-14 | 2016-09-15 | ストラブ ウェーク アーゲー | テンショニング又はパイプクランプ |
JP2017020572A (ja) * | 2015-07-10 | 2017-01-26 | 有限会社アールストーン | 配管支持具 |
JP2017032042A (ja) * | 2015-07-31 | 2017-02-09 | 有限会社アールストーン | 配管支持具 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005100841A1 (ja) | 2008-03-06 |
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