CN1018290B - Fastening means for hoses - Google Patents

Abstract

An acoustic characteristic measurement method comprising transmitting into a specimen an ultrasonic probe pulse and a pulse formed by the superposition of the probe pulse centroid on a pump pulse of a lower frequency than that of the probe pulse at a portion where the particle acceleration of the pump pulse is at a peak, receiving reflections of the transmitted signal from two or more reflecting points that are at different depths in the specimen, frequency-analyzing the received signals and obtaining a spectral ratio, and using the spectral ratio to measure the distribution in the specimen of the degree of spectral separation and the crossover frequency.

Description

Fastening means for hoses

The relevant fastening means for hoses of the present invention specifically is exactly the revolution by worm screw, and the roll diameter of belt is dwindled, the fastening means for hoses that the relative link of flexible hose of metal tape and pipe joint tabling is tightened up.

Adopted the fastening means for hoses of worm screw in the past, as as described in the special public clear 58-22676 communique of Japan Patent etc., mostly be with methods such as stamping-outs greatly and on metal tape, form engaging piece, when making case be fixed on the base portion of this metal tape, worm screw is bearing in this case, it is turned round on the fixed position, by allowing this worm screw revolution, metal tape is moved along peripheral direction.

In addition, also proposed in above-mentioned fastening means for hoses, the guide portion of guide wire band has been set, be used for preventing the spring of metal tape free end by base portion at this metal tape real the opening on the clear 60-161780 communique of Japan Patent.

Above-mentioned traditional fastening means for hoses, the operation unit that metal tape is moved only is located at a side (right side) of worm screw shaft.Therefore form rotary worm to the right, then tighten up, when anticlockwise, unclamp.When its operating position during in more wide space, without any problem, yet always having need be in narrow and small place (space) construction.At this moment the problem of Cun Zaiing is, because of operation unit only is positioned at a side, thereby must operate with very comfortless posture, simultaneously for the people of custom with left-handed operation, in case gyratory directions is opposite, feels operation inconvenience.Also establish operation unit in worm screw shaft both sides like that, but, need to use the tool operation of L type, and can only use a kind of type tool because of this operation unit is located at the housing inboard just like what HK1425830 disclosed, still inconvenient.

Yet, operation unit only is arranged on the occasion of a side, installation direction is determined, when dress inverse time, needs once more metal tape is taken off to reequip, and causes the operation inconvenience.

Moreover, when for making metal tape move rotary worm, then the metal tape that is meshed with it is pulled out successively, and roll diameter is dwindled, and the metal tape free end that thereupon is drawn out ejects from the case opening portion, also radially outwards flicks because of elastic reaction makes the free end of metal tape.

Therefore, exist finger partly to be caught on and injured by the ejection of this metal tape, or the problem that is damaged of clothes.

The conventional art that ejects for anti-metal tape here is, at this metal tape base portion guide portion is set, yet this guide portion owing to be arranged on the guide element that slightly is the L font both sides of metal tape width direction with being harmonious face-to-face, therefore this guide element is along the effect of vertically playing stiffening rib of metal tape, thereby hinders the flexure operation of metal tape.Therefore, make the part that guide element is set radially freely to carry out degree of tightness action, thereby can not realize being adjacent to the flexible pipe outside, the function that makes its whole perimeter surface evenly tighten up, should possess for fastening device.As in order to eliminate the conventional art of above-mentioned danger, taked method that the ejection of metal tape is partly cut off in addition, yet as generation is made tightening up external diameter and need be in than the problem that tightened up the little place of external diameter originally when reusing.

The present invention is exactly these problems that exist in above-mentioned original technology for overcoming, and its objective is that providing a kind of can make things convenient for when driving worm screw from any side of worm screw, can prevent that the metal tape free end from ejecting the fastening means for hoses that can use safely.

Fastening means for hoses of the present invention in order to achieve the above object, in being installed in case, the both sides that can carry out free rotating worm screw shaft in the fixed position are provided with the operation unit of revolution operation usefulness, and make this operating position in the case outside, the case side setting that flies out thus at the free end of metal tape links to each other with this case side prevents sheet.

Can be the groove of the shape that can insert Flathead screwdriver or Philips screwdriver as the form of aforesaid operations portion, or and the periphery of worm screw be made the non-cylindrical shape etc. of hexagon etc.

In addition, the shellproof film dancing that links to each other and be provided with case can form along the coiling circumferencial direction of metal tape, and the side of this shellproof film dancing can become releasing state, and the recess that its left and right sides can be formed on metal tape is reeled and is fixed.In addition, above-mentioned case is made of parts up and down, and a side of metal tape is fixed on the lower member.

Use said structure, promptly be installed in the fastening device on the flexible pipe outside with the connected element tabling of pipe joint etc., can be with regular right-hand rotation, also can operate with the revolution that worm screw is carried out in the left side revolution opposite with it.And can prevent that from the anti-spring of the openings lead of case sheet and this from preventing that the internal surface of sheet from contacting to the free end of the belt that is pulled along the gyratory directions of belt because of worm screw revolution, be prevented thereby make because of the spring of elastic reaction to radial outside.

Simple declaration to accompanying drawing.

Accompanying drawing is represented the embodiment of the invention, Fig. 1 is its vertical part surface figure, Fig. 2 is Fig. 1 side sectional view, and Fig. 3 is Fig. 1 front view, and Fig. 4 is the decomposition shaft side figure of structure shown in Figure 1, Fig. 5 is the front view that changes the shape example of expression shellproof film dancing shown in Figure 1, Fig. 6 is the amplification profile along (6) among Fig. 5-(6) line, Fig. 7 to Fig. 9 be the expression case other change the figure of shape example, Fig. 7 is a sectional arrangement drawing, Fig. 8 is the sectional drawing along (8) among Fig. 7-(8) line, and Fig. 9 is the decomposition shaft side figure of structure shown in Figure 8.

Embodiment

Below, with reference to accompanying drawing the embodiment of the invention is described.

Fig. 1 to Fig. 3 is illustrated in the embodiment that the worm screw both sides are provided with the operative section of revolution operation usefulness, and 1 is metal tape, and 2 for being fixed on the case on metal tape 1 base portion, and 3 can free rotating worm screw for being positioned at case 2 internal fixation positions.

Metal tape 1 is that corrosion resistant plate is made the ribbon-shaped members with Rack, from vertical approximately intermediate portion of this metal tape to the top, forging forms the connecting part 4 that angle tilt in accordance with regulations has the regulation space width, and case 2 is fixed on base portion one side surface that does not form connecting part 4.

The section configuration of the connecting part 4 that forms on the metal tape 1 is trapezoidal, enables and worm screw 3 tight engagement described later.

Be fixed on case 2 on the base portion of above-mentioned metal tape 1 by forming with the upper component 2b that is connected with this lower member 2a in conjunction with the lower member 2a that is fixed on metal tape 1 inboard, make lower member 2a and become one, make simultaneously on the bonding pad 6 chimeric break-through mounting holes of turning up along metal tape 1 vertical both sides 7 that are fixed on the metal tape 1 at the projection sidewall 5 of metal tape 1 both lateral sides.

Upper component 2b is a reverse U shape, the inserted sheet 10 that links to each other with the sidewall 5 of above-mentioned lower member 2a is inserted on the break-through jack 9 on the sidewall 8, and by inserted sheet 10 outwards towards the substantially horizontal warpage so that upper and lower part member 2b, 2a is assembled into one.

In addition, link to each other at the opening portion along vertical both sides of upper component 2b, the fixed plate 11 that is provided with vertically downward is used for making worm screw 3 to be positioned at the fixed position of case 2.

On the side face of the intermediate portion of the shaft 3a of the worm screw 3 that is positioned at above-mentioned case 2, form gear teeth 3b, at the operation unit 12,13 that forms revolution usefulness from the two ends of case 2 outwardly directed shaft 3a.In addition, between the gear teeth 3b portion and operation unit 12,13 of shaft 3a, the end difference 14 that the fixed plate with inverted u-shaped 11 that forms and form on case 2 combines with this axial motion that can stop worm screw 3, makes it do the location revolution respectively.

Aforesaid operations portion 12,13 formed have the regular hexagon profile, on its side end face, form cross deep trouth 15, and a groove that will constitute this cross recess 15 extends to the outside always, so that worm screw 3 is rotated with straight screwdriver.In addition, distinguish common right-hand rotation and counter-rotating, can reach by changing its size in order to make aforesaid operations portion 12,13.

And then, the upper component 2b of case 2, be metal tape 1 unclamp the side that end stretches out thus, by with sidewall 8 consecutive parts 17, fusing is provided with front shape and slightly becomes a font spring to prevent sheet 16.The above-mentioned sheet 16 that prevents is stretched out along the coiling circumferencial direction of metal tape 1.

In addition, above-mentioned spring prevents its coupled condition of strength maintenance that sheet 16 can be by parts 17, also can prevent sheet 16 free ends by fixing spring, prevents from that this spring sheet 16 is radially outer to float and radially move inward.

As shown in Figure 5, at the lower member 2a that leaves case 2 in the mounting point on the metal tape 1, along the recess 18 that forms on the position of metal tape 1 longitudinal extension radially to outer process, the degree of depth of this recess 18 and the thickness of slab of shellproof film dancing 16 are omited together, perhaps thicker slightly, by with the inside bending in bottom of the free end left and right sides sidewall 16a of shellproof film dancing 16 be involved in this recess 18 internal fixation.

Fig. 7 to Fig. 9 is expression constitutes case with solid memder a structure, make the two side 19a that bends to tunnel-like case 19, when 19b rolls up downwards, make and be positioned at left and right sides sidewall 19a, the front and back sidepiece along the intermediate portion of its width direction below the 19b upwards bloats, form make the engagement pawl that on metal tape 20, forms 21 that embed or be pressed in conjunction with recess 22.

On the other hand, the case fixing part that forms on metal tape 20 is to form the groove 23 that is bent upwards, be involved in sheet 19a for what embed case 19,19b simultaneously, forms notch part 24 on the upper wall surface of this groove 23, be involved in sheet 19a for allowing, the extension of the recess 22 that the last bulging of 19b forms is entrenched in this notch part 24, and the cutting during by formation notch part 24 forms the engagement pawl 21 that embeds recess from recess front and back side.

Therefore, make case left and right sides roll film 19a, in the time of in the groove 23 of 19b volume embedding metal tape 20, make the extension of this roll film embed notch part, and then engagement pawl is fitted in the recess 22, by riveted joint, when can be fixed on case 19 on the metal tape 20, because what make the crooked inner surface of metal tape 20 and case 19 is involved in sheet 19a, becomes same face below the 19b, thereby can remove the danger of flexible pipe of the inner side surface tabling of scratch and metal tape 20 fully.

Above-mentioned fastening means for hoses by the revolution of worm screw 3, is tightened up the metal tape 1 that meshes with connecting part 4 successively, and the roll diameter that this metal tape 1 is formed dwindles, thereby can tighten up the flexible pipe that is enclosed within on the pipe joint.

And, move for making metal tape 1, and to the rotary manipulation of worm screw 3, no matter, can carry out in which side of worm screw 3.

In addition, follow dwindling of roll diameter and the free end of the metal tape 1 that ejects from case 2 sides, because of make insert and shellproof film dancing 16 that case 2 links to each other in be directed to, so can prevent the ejection of metal tape 1 free end.

Fastening means for hoses of the present invention as above concrete as described in, be arranged on the position, both sides of worm screw shaft by the operation unit that will turn round operation usefulness, thereby make the revolution operation of the worm screw that the metal tape that carries out being meshed with worm screw moves, no matter all can carry out in which side of worm screw.

Therefore, when the installation site is narrow, make common right-hand rotation operate when having any problem the operation of then turning left by the operation unit of opposition side.In addition, owing to being to turn left, therefore also very convenient to being accustomed to its operation of left-handed people with the common opposite operation of right-hand rotation.Because of by the setting operation portion respectively in the both sides of worm screw, the Unit Installation direction is very flexible again, must reequip need not to resemble originally.

In addition owing to be provided with towards the shellproof film dancing of metal tape of the metal tape free end ejection direction of the case that is positioned at the collection worm screw by linking to each other, the free-ended spring of metal tape of following metal strip reel to produce around reduced, just be subjected to pushing of above-mentioned shellproof film dancing, and it is extended along the metal tape coiling direction.Therefore, even the metal tape external part is not cut off, the danger that does not also exist finger or clothes to be caught on, thereby can relieved safe handling.

Occasion because of being held again in the relative metal strap of the free end of above-mentioned shellproof film dancing, can prevent that shellproof film dancing from floating towards radial outside, thereby give full play to the function of shellproof film dancing, meanwhile, can not move from the active force of outer direction even on shellproof film dancing, be subjected to towards radially inner side yet, therefore can not produce the danger that damages flexible pipe because of shellproof film dancing side wall lower ends, can relievedly use to the greatest extent.

Claims (5)

1, a kind of fastening means for hoses, comprise the band that tightens up with base portion and engaging piece, be fixedly connected on the described case that tightens up tape base portion inboard, be positioned at this case and above-mentioned tighten up the band engaging piece be meshed and free rotating worm screw on its axial relative fixed position, this worm shaft to two ends be respectively equipped with the revolution operation unit of worm screw, it is characterized in that the outside of described operating position in described case.

2, device according to claim 1 is characterized in that on the end in the face of the described case that tightens up band free end ejection direction, linking to each other to be provided with prevents that this from tightening up the spring that the band free end freely ejects and preventing sheet.

3, device according to claim 1 is characterized in that described operation unit is the cylinder of non-circle, and the equivalent diameter of this cylinder in addition, also forms the groove that can engage with the screw-driver head greater than the diameter of axle of described worm shaft on the end face of described operation unit.

4, device according to claim 2, it is characterized in that above-mentioned case is served as reasons is fixedly connected on the case 2 that upper component 2b that the lower member 2a that tightens up on the tape base portion inboard fixedlys connected with lower member 2a therewith forms, described spring prevents that sheet from being that spring prevents sheet 16, the inside bending in bottom by above-mentioned spring being prevented sheet 16 free end left and right sides sidewall 16a, be entangled in form in the recess 18 that forms on the restraint zone base portion described fixedly connected.

5, device according to claim 2, it is characterized in that described case is for single member: and it is curved tunnel-shaped case 19, make its two side 19a, when 19b rolls up downwards, make and be positioned at left and right sidewall 19a, below the 19b, upwards bloat along the front and back sidepiece of the intermediate portion of its width direction, form make that the engagement pawl 21 that forms embeds on tightening up with 20 in conjunction with recess 22.

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