CN101352589B - Clamping device for an operation - Google Patents
Clamping device for an operation Download PDFInfo
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- CN101352589B CN101352589B CN2008101099875A CN200810109987A CN101352589B CN 101352589 B CN101352589 B CN 101352589B CN 2008101099875 A CN2008101099875 A CN 2008101099875A CN 200810109987 A CN200810109987 A CN 200810109987A CN 101352589 B CN101352589 B CN 101352589B
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Abstract
The invention provides a well-qualified clamping device which presses, with high operational efficiency, a clamping tube in one operation in a manner of preventing the tube from transverse deviation, avoids deviation at the time of engagement between a locking projecting portion and a locking groove portion, and improves rate of finished products and shortens finishing period by reducing cost of moulds so as to realize reduction of the cost. In the clamping device of the invention, inner sides of an upper end (11) and a bottom (12) include a first projecting portion (21) and a second projecting portion that are opposite to each other, and also includes a downwards-extending pressing portion (23) nearby, a front end (24) of the pressing portion (23) is formed with square or quadrate projections (23a), (23b) in a crotched manner. Further, the bottom (12) in an extending direction of the pressing portion (23) includes a incision portion (17).
Description
Technical field
The present invention relates to a kind of clamping device; This clamping device can be with the once-through operation grip tube; And can revise and prevent the lateral shift of when grip tube, managing, and prevent the skew of two fastening portions when engaging fastening jut and fastening slot part, promptly so-called once-through operation clamping device.
Background technology
Existing clamping device stops or the switching device of flowing fluid uses as the fluid that makes mobile blood or medicinal liquid etc. in the pipe of blood circuit pipe or blood transfusion tube etc.Especially in blood circuit, because this clamping device is used for various uses according to the kind of caliber, so in use, produce the pipe skew on the clamping device, and blocking Guan Shicong clamping part extrudes, thereby make this blocking insufficient.In addition, follow fastening jut and the fastening slot part of clamping device to produce the engaging skew, first jut and the skew of second jut, but the scope of clamping (clamping range) narrow down, can not fully interdict the inner chamber of pipe sometimes.In order to prevent to produce these problems, force the user to give one's full attention to and high-pressure, the danger that has operability to worsen more, thereby become problem.For solving those problems, various technology have been developed, specifically; Disclose a kind of clamping element, this clamping element is not for producing the engaging skew between the fastening jut that makes clamping device and the fastening slot part; And grip tube reliably, width than sealing parts forms also narrowly and the engaging protrusion of thin head and form through the front end at seal member, in addition; The tetragon slot also narrower than the width of this fastening portion formed at the bottom in fastening portion, is fastened in this tetragon slot through making above-mentioned engaging protrusion, makes above-mentioned holding section not produce skew each other; Make Guan Bucong two clamping parts of clamping extrude (for example, with reference to patent documentation 1).In addition, the inserting hole in existing clamping device is disclosed also, because that its opening shape forms diameter is certain; So when clamping diameter than its little flexible pipe; For preventing clamping device, and in clamping device, has the pipe inserting hole at pars intermedia with an end, the other end and pars intermedia to the skew of the axis direction of flexible pipe; This inserting hole is connection hole, big footpath and path hole and the hole (for example, with reference to patent documentation 2) that forms of the profile of respective tube.
[patent documentation 1] TOHKEMY 2005-169146 (the 0004th section, the 0006th～0007 section, Fig. 1, Fig. 2)
[patent documentation 2] TOHKEMY 2001-353220 (the 0004th section, the 0024th～00225 section, the 0028th～0029 section, Fig. 1)
But; Present inventor etc.; Understood and in above-mentioned existing clamping device, can not fully prevent the lateral shift of managing sometimes, after having carried out further investigation, found through near between first jut of clamping device and fastening jut, the lateral shift that the press section could prevent and revise pipe being set; Further can prevent the engaging skew of fastening jut and fastening slot part reliably, can fully interdict the inner chamber of pipe through the press section guiding piece that this press section of guiding is set in the bottom.Based on these viewpoints, accomplished the present invention.In addition, the clamping device of the present invention of press section only is set, during fabrication; Thereby the cost of die injection moulding for dividing pattern to increase mould itself, and the molding cycle time is also elongated, thus increased the cost of clamping device; And in the present invention, through further in the press section lower portion in opposite directions notch is set, need not divide pattern can carry out injection mo(u)lding; Through reducing the cost of mould itself, the raising yield rate waits with the shortening molding cycle time and realizes reducing cost.
Summary of the invention
Thereby; First problem to be solved by this invention is, provides can revise and the skew of the pipe when preventing grip tube, in addition; Engaging through preventing fastening jut and fastening slot part is squinted, and just can fully interdict the good clamping device of the inner chamber of pipe with clamping operation.And then second problem of the present invention is, cost through reducing mould itself is provided, improves yield rate and shortening molding cycle time and wait and realize the clamping device that reduces cost.
Above-mentioned problem of the present invention realizes respectively through following each item invention.
(1) a kind of clamping device; Its by the upper end that has downwards first jut that extends, have with the bottom of first jut, second jut in opposite directions, link these upper ends and bottom bending section, constitute from the make progress rising portions of end side of bottom end; But the pipe patchhole that has insertion tube at above-mentioned bending section and rising portions respectively; In addition, the free end in above-mentioned upper end has the fastening jut, and has the fastening slot part engaging with this fastening jut in the free end side of rising portions; Make above-mentioned bending section crooked and when being fastened on the fastening slot part to the fastening jut; First jut and second jut are approaching, thereby blocking is inserted into the inner chamber of the pipe in above-mentioned two pipe patchholes, it is characterized in that; Have between above-mentioned first jut and the fastening jut towards the press section of bottom; The front of this press section has the shape of forked, makes above-mentioned bending section crooked and when being fastened on the fastening slot part to the fastening jut, the form of bifurcation portion of the front of this press section connects two side shiftings of road (connecting the path of pipe patchhole, two juts and the rising portions of bending section) to pipe.
(2) in above-mentioned (1) described clamping device, it is characterized in that, in the press section the position of bottom in opposite directions have notch.
(3) in above-mentioned (1) or (2) described clamping device, it is characterized in that when pipe was inserted into two pipe patchholes, the leading section of press section was positioned at the both sides of this pipe.
(4) in above-mentioned (1) and even (3), in each described clamping device, it is characterized in that, the leading section of press section be shaped as in U font, V font or the Y font any.
(5) in above-mentioned (1) and even (4) in each described clamping device; It is characterized in that; Make bending section crooked and when being fastened on the fastening slot part to the fastening jut, the leading section of press section is positioned at the notch of bottom or the deflection on the bottom of the front of press section.
(6) in above-mentioned (1) and even (5) in each described clamping device; It is characterized in that; Between second jut of bottom and end (erecting side), has a pair of press section guiding piece; When being fastened on the fastening jut in the fastening slot part making the bending section bending, the medial movement of the front of press section guiding piece towards the press section.
In above-mentioned (6) described clamping device, it is characterized in that (7) under the state before the crooked bending section, the front of press section is positioned at the inboard or the outside of press section guiding piece.
In above-mentioned (6) or (7) described clamping device, it is characterized in that (8) with regard to the shape of the front of press section, the part that is positioned at the press section guiding piece side of this one becomes notch, is continuous or discrete thin head.
(9) in above-mentioned (1) and even (8) in each described clamping device; It is characterized in that; When making the bending section bending fastening jut is engaged with the fastening slot part; Make win jut and second jut near and during the inner chamber of blocking pipe, the projecting end of two juts can not interdict the inner chamber of pipe each other, and on arbitrary projecting end of first jut or second jut, has recess.
(10) in above-mentioned (1) and even (9), in each described clamping device, it is characterized in that having the upper end jut near the fastening jut on the upper end.
Effect of the present invention is following.
(1) first described invention of the application; Clamping device by the upper end that has downwards first jut that extends, have with the bottom of first jut, second jut in opposite directions, link these upper ends and bottom bending section, constitute from the make progress rising portions of end side of bottom end; But the pipe patchhole that has insertion tube at above-mentioned bending section and rising portions respectively; In addition; Free end in above-mentioned upper end has the fastening jut; And have the fastening slot part can engaging with this fastening jut in the free end side of rising portions, make above-mentioned bending section crooked and when being fastened on the fastening slot part to the fastening jut, first jut and second jut are approaching; Thereby blocking is inserted into the inner chamber of the pipe in above-mentioned two pipe patchholes; Since have between above-mentioned first jut and the fastening jut towards the press section of bottom, the front of this press section has the shape of forked, makes above-mentioned bending section crooked and when being fastened on the fastening jut in the fastening slot part; The form of bifurcation portion of the front of this press section connects two side shiftings of road (connecting the path of pipe patchhole, two juts and the rising portions of bending section) to pipe; Thereby in form of bifurcation portion when pipe connects two side shiftings on road, through the form of bifurcation portion that contact with the pipe of lateral shift pipe is shifted in the position of the pipe of lateral shift and connect the road, thereby this pipe moves to the position of insertion form of bifurcation portion and revises lateral shift.In addition, this lateral shift has following two kinds of situation.A kind of be by linearity be inserted into bending and the lateral shift that produces of the pipe of bending section and rising portions two pipe patchholes; Another kind is to be positioned at the distolateral of patchhole and the lateral shift of generation by the external diameter pipe littler than the inner chamber of above-mentioned two patchholes.In the application's invention; The press section than rising portions more near being provided with near the tube grip portion; Improve to revise and prevent the effect of the pipe lateral shift on clamping part, and since the skew of pipe along with diminishing, so can catch pipe more reliably by the press section near tube grip portion.And then, be the position of not damaging by pressure owing to catch the position of pipe, so needn't strengthen the front of press section, can likewise operate clamping device of the present invention with prior art.Constitute through these, the present invention can obtain following good effect, promptly catches pipe easily by once-through operation, and the lateral shift of revising and preventing to manage is interdicted the inner chamber of managing easily and reliably.
(2) second described invention of the application; In above-mentioned the 1st described clamping device; Through in the press section the position of bottom in opposite directions have notch owing to can extract the mold-slide core pin, so mould is without the high branch pattern of cost by this notch; Can also shorten the molding cycle time, have the effect that to make clamping device of the present invention at an easy rate.
(3) the 3rd described invention of the application; In above-mentioned the 1st or second described clamping device, in the time of in pipe is inserted into two pipe patchholes, be positioned at the both sides of this pipe through the leading section of press section; Make pipe insert the press section, thereby prevent the lateral shift of managing.Its result, the present invention have the good result that can further interdict the inner chamber of pipe easily and reliably.
(4) the 4th described invention of the application; In above-mentioned the 1st and even the 3rd in each described clamping device; Front through making the press section be shaped as in U font, V font or the Y font any; Make bending section crooked and when engaging the fastening jut with the fastening slot part, the front of press section just can be caught pipe through once-through operation.And then; When the shape in the press section becomes V font or Y font; Owing to make the pipe of being caught further to center side (pipe connects the center side on the road) displacement of clamping part; So the lateral shift of further revising reliably and preventing to manage has the good effect of can be easily and interdicting the inner chamber of pipe reliably.
(5) the 5th described invention of the application; In above-mentioned the 1st and even the 4th, in each described clamping device, when being fastened in the fastening slot part, be positioned at the notch of bottom through the leading section of press section to the fastening jut making the bending section bending; Or the front of press section deflection on the bottom; When the inner chamber of blocking pipe, the leading section of press section not can with the people's of operation clamping element hands butt, can not bring sense of discomfort during operation to hands.Its result has the effect that can operate clamping device of the present invention smoothly.
(6) the 6th described invention of the application; In above-mentioned the 1st and even the 5th in each described clamping device; Between second jut of bottom and end (erecting side), has a pair of press section guiding piece; Make bending section crooked and when being fastened on the fastening jut in the fastening slot part, the medial movement of the front guiding piece towards the press section through the press section can prevent that also the engaging of fastening jut and fastening slot part from squinting.Thus, owing to also can prevent the skew of first jut and second jut,, has the good result of can be fully and interdicting the inner chamber of pipe reliably so the scope of grip tube is narrowed down.
(7) the 7th described invention of the application; In above-mentioned the 6th described clamping device; Under the state before the crooked bending section; Be positioned at the inboard or the outside of press section guiding piece through the front of press section, arbitrary side of portion or press section guiding piece or two sides clamp and can prevent lateral shift thereby pipe is pressed.And then; Front through the press section can prevent that along the inboard or outer side shifting of press section guiding piece the engaging of fastening jut and fastening slot part from squinting; Owing to also can prevent the skew of first jut and second jut; So the scope of grip tube can not narrow down, can be fully and the inner chamber of blocking pipe reliably.Thus, the present invention has the good result of can be fully and interdicting the inner chamber of pipe reliably.
(8) the 8th described invention of the application; In above-mentioned the 6th or the 7th described clamping device, because with regard to the shape of the front of press section, the part that is positioned at the press section guiding piece side of this one becomes notch; It is continuous or discrete thin head; When making bending section 14 bendings, press section 23 successfully is directed to the inboard or the outside of press section guiding piece 28, can prevent the skew when fastening jut 25 is fastened on fastening slot part 18.Thus, owing to also can prevent the skew of first jut and second jut, thus the scope of grip tube is narrowed down, can be fully and the inner chamber of blocking pipe reliably.In addition, the structure of press section 23 and press section guiding piece 28 is diminished, have the effect of the clamping device that size is suitable in the time of can making operation.And then, make step through discontinuous thin head shapes press section 23, when this step part and press section guiding piece 28 butts, make the front end of press section 23 move to around the bottom 12 or notch 17.After the butt; Even further make bending section 14 bendings; Press section 23 can not be moved to the direction of bottom 12; Because the leading section of press section 23 can not surmount the notch 17 of bottom 12, thus the leading section of press section 23 not can with the people's of operation clamping element hands butt, can not bring sense of discomfort during operation to hands.Its result has the effect that can operate clamping device of the present invention smoothly.
(9) the 9th described invention of the application; In above-mentioned the 1st and even the 8th in each described clamping device; When making the bending section bending fastening jut is engaged with the fastening slot part; Make win jut and second jut near and during the inner chamber of blocking pipe,, and on arbitrary projecting end of first jut or second jut, have recess because the projecting end of two juts can not interdict the inner chamber of pipe each other; Thereby the part of the blocking of the inner chamber of pipe beyond the projecting end of the projecting end of for example first jut and second jut carry out, so even the projecting end of making at second jut has the inner chamber that recess also can interdict pipe.And the present invention is owing to have recess at arbitrary projecting end of first jut or second jut, thereby can suppress the lateral shift of aforementioned tube, makes lateral shift tail off.Its result, the present invention catch pipe with the press section easily, and obtaining can be fully and the good effect of the inner chamber of blocking pipe reliably.
(10) the 10th described invention of the application; In above-mentioned the 1st and even the 9th in each described clamping device; Owing to have the upper end jut near the fastening jut on the upper end; Make bending section crooked and when the fastening jut is engaged with the fastening slot part, the position of the upper end of the pressure of can confirming to press...with one's finger.Thus, need not the pressing position of Visual Confirmation upper end.In addition, can avoid the situation of following obstruction engaging operation, otherwise promptly when jut is pushed near the position of fastening jut with the position of pushing near bending section from the upper end simultaneously, the finger of pushing contacts with rising portions; When the upper end of pushing near bending section, make the crooked load of bending section become big etc. according to lever principle.Thus, can carry out the engaging operation of fastening jut and fastening slot part smoothly, so clamping device of the present invention has effect easy to use.
Description of drawings
Fig. 1 is the side view of expression clamping device of the present invention.
Fig. 2 is the side view that expression clamping device of the present invention uses form, and a has represented to insert the state of pipe, and b has represented to interdict the state of pipe.
Fig. 3 is the side view of another use form of expression clamping device of the present invention, the long clamping device in expression press section.In addition, a has represented to insert the state of pipe, and b has represented to interdict the state of pipe.
Fig. 4 is the figure of the press section of expression clamping device of the present invention.A representes roughly U font, and b representes roughly V font, and c representes roughly Y font.
Fig. 5 is the side view of another use form of expression clamping device of the present invention, the longer clamping device in expression press section.A has represented to insert the state of pipe, and b and c have represented to interdict the state of pipe, and b representes front deflection on the bottom of press section, and c representes that the front of press section is positioned at the notch of bottom.
Fig. 6 is illustrated in the clamping device of the present invention, has the side view of use form of the clamping device of press section guiding piece.In addition, a has represented to insert the state of pipe, and b has represented to interdict the state of pipe.
Fig. 7 is illustrated in the clamping device of the present invention, and another of clamping device that the front of press section is positioned at the inboard of press section guiding piece uses the side view of form.
Fig. 8 is the figure of another press section of expression clamping device of the present invention.The outside of front is become head carefully continuously by otch in a to c, and the outside of front side is become head carefully discontinuously by otch in d.
Fig. 9 is illustrated in the clamping device of the present invention, has the side view of use form of the clamping device of recess at second jut.
The dotted line side cross sectional view along A-A ' of press section guide portion 28 shown in the clamping device of the present invention of Figure 10 presentation graphs 6.The front of press section, in a in the press section medial movement of guide portion, in b, between the guiding piece of press section, move, in c in the press section the outer side shifting of guide portion.
Symbol description
The 1-clamping device, 2-pipe, 11-upper end, 12-bottom, 13-rising portions; The 14-bending section, 15,16-manages patchhole, 17-notch, 18-fastening slot part, 21-first jut; 21a, 22a-projecting end, 22-second jut, 23-press section, 23a, 23b-projection, 25-fastening jut; 26-upper end jut, 27-antiskid part, 28-press section guiding piece, 28a, 28b-guide protrusion
The specific embodiment
With accompanying drawing the present invention is specified below, but the invention is not restricted to the concrete example of following explanation.Fig. 1 is the side view of expression clamping device of the present invention.In Fig. 1, clamping device of the present invention links upper end 11, be provided with bending section 14, the bottom 12 of pipe patchhole 15, be provided with pipe patchhole 16 erect end 13,11 leading section has fastening jut 25 in the upper end.On the other hand, in the front that erects end 13, fastening slot part 18 is arranged in the inboard, this fastening slot part 18 engages freely with above-mentioned fastening jut 25 mounting or dismounting and forms ring bodies.In the inboard of this ring bodies, below upper end 11, have first jut 21 that extends downwards, and on bottom 12, have and above-mentioned first jut 21 second jut 22 in opposite directions.On these juts, on first jut 21, have projecting end 21a at its front end, on second jut 22, have projecting end 22a at its front end.With these two projection grip tube 2.In addition, below above-mentioned upper end 11, on the desirable position between first jut 21 and the fastening jut 25, have press section 23, the front in this press section 23, bifurcated is formed with projection 23a, 23b.The shape of this front can be made U font as shown in Figure 4, V font and Y font etc.; But so long as can catch the shape of pipe 2; Can this shape just not done special qualification go up the shape of the pipe of lateral shift in above-mentioned two projections (21 and 22) to the position correction of center side.
Fig. 2, Fig. 3 and Fig. 5 are the side views of the use form of expression clamping device of the present invention.The difference of these clamping devices is the length of press section 23.In Fig. 2, the press section 23 of clamping device of the present invention is in pipe 2 is inserted into two pipes patchholes (15 and 16) time, and the front of press section 23 is not positioned at manages 2 both sides.And the front of press section 23 has makes bending section 14 crooked and when fastening jut 25 engage with fastening slot part 18, to the length of managing 2 two side shiftings, can be adapted to the pipe of lateral shift on above-mentioned two projections (21 and 22) position of center side.At clamping device of the present invention, when inserting two pipe patchholes (15 and 16), exist pipe 2 and press section 23 to collide, thus the probability that can not carry out this insertion smoothly capablely.But, through shortening press section 23, thereby can not occur colliding with pipe 2, can easily manage 2 insertion.In addition, such clamping device when pipe 2 skew is big, the probability that exists offset correction not carry out fully.Therefore; The higher pipe of the less hardness ratio of lateral shift or through after be provided with on any at first jut or second jut shown in Figure 9 of stating on the clamping device that skew that recess makes pipe reduces, the press section of image pattern 2 such length is fit to.
In Fig. 3 and Fig. 5, when the press section 23 of clamping device of the present invention was inserted into two pipe patchholes (15 and 16) at pipe 2, the leading section of press section had the length of the both sides that are positioned at this pipe.Clamp by 23 of press sections through about half of the such pipe 2 of image pattern 3, and prevent to manage 2 lateral shift.And then as long as a of image pattern 5 is such, the over half of pipe 2 clamped in press section 23, just can prevent to manage 2 skew reliably.In clamping device of the present invention, during the inner chamber of blocking pipe 2, the front of press section 23 moves to bottom 12 fastening jut 25 being fastened in the fastening slot part 18.But, thereby when as Fig. 5, being fastened on the inner chamber of fastening slot part 18 blocking pipes 2 to fastening jut 25 through doing long press section 23, the front of press section 23 is also run into bottom 12 sometimes.At this moment; The b of image pattern 5 and c are such; Adjustment wall thickness or selection resin, so as the deflection easily on bottom 12 of the front of press section 23, the notch 17 that perhaps front of press section 23 is got into through 12 settings in the bottom; Make fastening jut 25 engage with fastening slot part 18 easily, can keep the operability of clamping device of the present invention.And then; The front through making the structure of notch 17 press section 23 when making that thereby bending section 14 is crooked to be fastened on fastening slot part 18 to fastening jut 25 moves along the edge of notch 17, can prevent the engaging skew of fastening jut 25 and fastening slot part 18.Thus, owing to also can prevent the skew of first jut and second jut,, has the good result of can be fully and interdicting the inner chamber of pipe reliably so the scope of grip tube can not narrow down.
Fig. 6 is the figure that expression has the clamping device use form of the present invention of press section 23 and press section guiding piece 28, and Figure 10 representes along the A-A ' dotted line side cross sectional view of press section guide portion 28 shown in Figure 6.As shown in the drawing, constitute by a pair of guide protrusion (28a and 28b).The projection of the form of bifurcation portion of press section 23 (23a and 23b) moves along guide protrusion (28a and 28b), in a of Figure 10 in the press section medial movement of guide portion (28a and 28b), in c in the press section the outer side shifting of guide portion (28a and 28b).In the b of Figure 10, a pair of press section guiding piece (28a and 28b) moves respectively in pairs therebetween.Fig. 6 is the state with the press section guide portion shown in a of Figure 10.In the present invention, because when crooked bending section 14, the medial movement of the front of press section 23 guiding piece 28 along the press section is so press section 23 can also prevent the engaging skew of fastening jut 25 and fastening slot part 18.This moment, shape such as Fig. 8 of press section 23 were said, the shape of the front of press section 23, and the part that is positioned at press section guiding piece side of this one, promptly the outside becomes notch, can make the thin head shapes of (a to c of Fig. 8) or discontinuous (d of Fig. 8) continuously.Utilize these shapes, when making bending section crooked, press section 23 successfully is directed into the inboard of press section guiding piece 28, and can prevent the skew when fastening jut 25 is engaged with fastening slot part 18 reliably.Simultaneously, can make the structure of press section 23 and press section guiding piece 28 little, the suitable clamping device of size in the time of can making operation.In addition,, make when this step part and press section guiding piece 28 butts that the front end of press section 23 moves near the bottom 12 or notch 17 through the step shown in the d that does the discontinuous thin head shapes of press section 23 image 8.Behind this butt; Even make bending section 14 further crooked; Because press section 23 can not be moved to the direction of bottom 12; The leading section of press section 23 can not surmount bottom 12 notch 17, thus the leading section of press section 23 not can with the people's of operation clamping element hands butt, when operation, can not bring sense of discomfort to hands.Its result, the effect that can obtain operating smoothly clamping device of the present invention and so on.
Fig. 7 representes the use form of clamping device of the present invention.In the figure; The front of the press section 23 through clamping device of the present invention is positioned at the inboard of press section guiding piece 28; Make pipe 2 clamp by any or two sides of press section 23 or press section guiding piece 28; Thereby can prevent the lateral shift of managing, and the front through the press section is along the inboard or outer side shifting of press section guiding piece, thereby the engaging that can prevent fastening jut and fastening slot part is squinted.According to these, the present invention can obtain fully and interdict reliably the effect of the inner chamber of pipe.In addition, though not shown in Fig. 7, also can make press section 23 and combination of shapes shown in Figure 8.
Fig. 9 representes the use form of clamping device of the present invention.The clamping device that should scheme, the blocking of the inner chamber of blocking pipe 2 is carried out with second jut 22 (being the right portions of second jut 22 in Fig. 9) that has departed from projecting end 22a by the projecting end 21a of first jut 21.Thereby, even recess is set, also can fully interdict pipe 2 inner chamber at the projecting end 22a of second jut 22, in addition, can prevent to manage 2 skew according to the structure of this recess.Like this; At the projecting end (21a and 22a) of two juts (21 and 22) butt not each other; This projecting end (21a and 22a) is not when being used for interdicting the inner chamber of pipe 2; Because any of this projecting end (21a and 22a) has recess, recess can not hinder the inner chamber of blocking pipe 2, lateral shift that can killer tube 2.Its result in clamping device of the present invention, catches easily and reliably pipe 2 with press section 23, can obtain interdicting fully reliably the good effect of managing 2 inner chamber.
In addition; On the bottom 12 of the extending direction of the leading section that is in this press section 23 24, be provided with notch 17,, can extract mold-slide core pin (being used to form the mould of press section) from this notch owing to have this notch 17; So mould needn't the high branch pattern of use cost; In addition, the molding cycle time also shortens, and can make clamping device of the present invention at an easy rate.The shape of this notch 17 is not though limit preferably circle, square, rectangle, ellipse etc. especially.The injection molding forming method of clamping device of the present invention since the mould with mold-slide core pin is installed and inject carried out molding by article shaped after, take out the molding article after extracting the mold-slide core pin, thereby do not use the branch pattern just can carry out molding.
And then; In clamping device of the present invention; On upper end 11, have antiskid part 27, simultaneously, near above-mentioned fastening jut 25, have upper end jut 26; Though the shape for lugs of upper end jut 26 is not done special qualification, preferably triangle, circle, square, pentagon (the especially base shape of baseball).Thus, when making fastening jut 25, can directly confirm the pressing position of upper end 11 with 18 fastenings of fastening groove.
The probability of utilizing in the industry is following.
Clamping device of the present invention; Stop or the switching device of flowing fluid is widely used in the medical field as the fluid that makes mobile blood and medicinal liquid etc. in pipes such as blood circuit pipe and blood transfusion tube, especially be fit to be used in the field of blood circuit pipe and blood transfusion tube.
Claims (18)
1. clamping device; By the upper end that has downwards first jut that extends, have with the bottom of first jut, second jut in opposite directions, link above-mentioned upper end and bottom bending section, constitute from the make progress rising portions of end side of bottom end; But have the pipe patchhole of insertion tube respectively at above-mentioned bending section and rising portions, in addition, the free end in above-mentioned upper end has the fastening jut; And has the fastening slot part to engage with this fastening jut in the free end side of rising portions; Make above-mentioned bending section crooked and when being fastened on the fastening slot part to the fastening jut, first jut and second jut are approaching, thereby blocking is inserted into the inner chamber of the pipe in two aforementioned tube patchholes; It is characterized in that
Have between above-mentioned first jut and the fastening jut towards the press section of bottom; The front of this press section has the shape of forked; Make above-mentioned bending section crooked and when being fastened on the fastening slot part to the fastening jut, the form of bifurcation portion of the front of this press section connects two side shiftings on road to pipe.
2. clamping device as claimed in claim 1 is characterized in that,
In the press section relative lower portion have notch.
3. clamping device as claimed in claim 1 is characterized in that,
When pipe was inserted into two pipe patchholes, the front of press section was positioned at the both sides of this pipe.
4. clamping device as claimed in claim 2 is characterized in that,
When pipe was inserted into two pipe patchholes, the front of press section was positioned at the both sides of this pipe.
5. like each described clamping device in the claim 1 to 4, it is characterized in that,
The front of press section be shaped as in U font, V font and the Y font any.
6. like each described clamping device in the claim 1 to 4, it is characterized in that,
When being fastened on the fastening jut in the fastening slot part making the bending section bending, the front of press section is positioned at the notch of bottom or the deflection on the bottom of the front of press section.
7. clamping device as claimed in claim 5 is characterized in that,
When being fastened on the fastening jut in the fastening slot part making the bending section bending, the front of press section is positioned at the notch of bottom or the deflection on the bottom of the front of press section.
8. like each described clamping device in the claim 1 to 4, it is characterized in that,
Between the end of second jut of bottom and rising portions side, have a pair of press section guiding piece, make bending section crooked and when being fastened on the fastening jut in the fastening slot part, the medial movement of the front of press section guiding piece towards the press section.
9. clamping device as claimed in claim 5 is characterized in that,
Between the end of second jut of bottom and rising portions side, have a pair of press section guiding piece, make bending section crooked and when being fastened on the fastening jut in the fastening slot part, the medial movement of the front of press section guiding piece towards the press section.
10. clamping device as claimed in claim 6 is characterized in that,
Between the end of second jut of bottom and rising portions side, have a pair of press section guiding piece, make bending section crooked and when being fastened on the fastening jut in the fastening slot part, the medial movement of the front of press section guiding piece towards the press section.
11. clamping device as claimed in claim 7 is characterized in that,
Between the end of second jut of bottom and rising portions side, have a pair of press section guiding piece, make bending section crooked and when being fastened on the fastening jut in the fastening slot part, the medial movement of the front of press section guiding piece towards the press section.
12. clamping device as claimed in claim 8 is characterized in that,
Under the state before the crooked bending section, the front of press section is positioned at the inboard or the outside of press section guiding piece.
13. clamping device as claimed in claim 9 is characterized in that,
Under the state before the crooked bending section, the front of press section is positioned at the inboard or the outside of press section guiding piece.
14. clamping device as claimed in claim 10 is characterized in that,
Under the state before the crooked bending section, the front of press section is positioned at the inboard or the outside of press section guiding piece.
15. clamping device as claimed in claim 8 is characterized in that,
With regard to the shape of the front of press section, the part that is positioned at the press section guiding piece side of press section becomes notch, is continuous or discrete thin head.
16. clamping device as claimed in claim 12 is characterized in that,
With regard to the shape of the front of press section, the part that is positioned at the press section guiding piece side of press section becomes notch, is continuous or discrete thin head.
17. like each described clamping device in the claim 1 to 4, it is characterized in that,
When making the bending section bending fastening jut is engaged with the fastening slot part; Make win jut and second jut near and during the inner chamber of blocking pipe; The projecting end of above-mentioned first jut and second jut can not interdict the inner chamber of pipe each other, and on arbitrary projecting end of first jut and second jut, has recess.
18. like each described clamping device in the claim 1 to 4, it is characterized in that,
Has the upper end jut near the fastening jut on the upper end.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-164414 | 2007-06-21 | ||
| JP2007164414 | 2007-06-21 | ||
| JP2007164414 | 2007-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101352589A CN101352589A (en) | 2009-01-28 |
| CN101352589B true CN101352589B (en) | 2012-04-18 |
Family
ID=40305767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101099875A Expired - Fee Related CN101352589B (en) | 2007-06-21 | 2008-06-16 | Clamping device for an operation |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4922246B2 (en) |
| CN (1) | CN101352589B (en) |
| HK (1) | HK1130445A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502685B (en) * | 2009-03-06 | 2012-05-02 | 宁波市鄞州千峰机械科技有限公司 | Bidirectional transfusion speed regulator |
| EP2583716B1 (en) * | 2011-10-18 | 2015-07-29 | B. Braun Melsungen AG | Infusion hose clamp for a infusionpump and method for use of the same |
| WO2015064233A1 (en) * | 2013-10-29 | 2015-05-07 | ニプロ株式会社 | Clamp |
| JP2015228882A (en) * | 2014-06-03 | 2015-12-21 | 川澄化学工業株式会社 | Clamp |
| JP5973669B2 (en) * | 2014-06-30 | 2016-08-23 | 日機装株式会社 | Clamping device for flexible tube |
| JP6416556B2 (en) * | 2014-09-05 | 2018-10-31 | フォルテ グロウ メディカル株式会社 | Medical clamp |
| JP6181286B2 (en) | 2015-02-03 | 2017-08-16 | 日機装株式会社 | Clamping device |
| JP6082433B2 (en) | 2015-06-22 | 2017-02-15 | 日機装株式会社 | Clamping device |
| JP6706914B2 (en) | 2015-12-22 | 2020-06-10 | 日機装株式会社 | Clamp device |
| JP2018000836A (en) * | 2016-07-08 | 2018-01-11 | 川澄化学工業株式会社 | Clamp and medical instrument |
| JP6290496B1 (en) * | 2017-06-08 | 2018-03-07 | ハナコメディカル株式会社 | One-touch clamp device |
| CN109172944A (en) * | 2018-09-17 | 2019-01-11 | 苏州林华医疗器械股份有限公司 | A kind of infusion pipeline flow-stopping clip |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848167B2 (en) * | 1992-11-05 | 1999-01-20 | 株式会社ジェイ・エム・エス | Tube opening and closing clamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03113762U (en) * | 1990-03-02 | 1991-11-21 | ||
| JPH03116046U (en) * | 1990-03-14 | 1991-12-02 | ||
| US6089527A (en) * | 1997-10-03 | 2000-07-18 | Medisystems Technology Corporation | Squeeze clamp for flexible tubing |
-
2008
- 2008-06-16 CN CN2008101099875A patent/CN101352589B/en not_active Expired - Fee Related
- 2008-06-17 JP JP2008158104A patent/JP4922246B2/en active Active
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848167B2 (en) * | 1992-11-05 | 1999-01-20 | 株式会社ジェイ・エム・エス | Tube opening and closing clamp |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2001-353220A 2001.12.25 |
| JP特开2003-235971A 2003.08.26 |
| JP特开2005-169146A 2005.06.30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4922246B2 (en) | 2012-04-25 |
| CN101352589A (en) | 2009-01-28 |
| JP2009022744A (en) | 2009-02-05 |
| HK1130445A1 (en) | 2009-12-31 |
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