CN205913606U - Repeatedly usable's card formula bottle injection support - Google Patents

Abstract

The utility model provides a repeatedly usable's card formula bottle injection support, it can be solved current used repeatedly syringe and can not satisfy special medicament and inject once only that require and current disposable syringe is not suitable for the problem that the patient injected by oneself. The front end detachably in card formula bottle storehouse installs the syringe needle subassembly, install in the front end of telescopic body the rear end, the tubulose push rod can move in telescopic body and the exhaust knob is rotationally installed to its rear end, the exhaust barrel is located interior just its rear end of tubulose push rod and only is connected with exhaust knob lock, the ejector pin runs through telescopic body and its front end stretches into card formula bottle storehouse, the inner wall threaded connection of interior back of exhaust barrel and exhaust barrel is stretched into to the rear end, the front end periphery of ejector pin and the flat perforating hole cooperation at the center of card formula bottle seat, thereby the outer disc of exhaust barrel front end for the outer disc of the reducing of rule and the front end of tubulose push rod in the front end of circle cooperation tubulose push rod can the footpath outwards expand realize and telescopic body between rise tight locking or relative movement.

Description

A kind of reusable type cartridge bottle syringe support

Technical field

This utility model is related to medical instruments field, specially a kind of reusable type cartridge bottle syringe support.

Background technology

Existing clip type bottled syringe includes reuse syringe and two kinds of disposable syringe.Wherein reuse note Emitter is used for the multiple injection of single clamped bottle medicament, such as insulin injection pen, and its feature is a clamped bottle medicament root According to being required to injection several times even tens times；Air all can be had when its problem is to inject each time to enter in clamped bottle, And for some special medicaments due to being not allow for inclusion of air, therefore need single injection to finish, existing reusable Clip type bottled syringe there is no the disposable injection that method meets this kind of medicaments to require；And existing disposable syringe needs elder generation Extract medicament to be injected again from medicine bottle, its injection preparation is loaded down with trivial details, injection time length and extract in medicament and inject During be easily caused the pollution to medicament, thus it is not suitable for holding injection everywhere at any time, is also not suitable for patient and voluntarily injects；Separately Outer the mode manually pressing is needed to coordinate range estimation come to the medicament in clamped bottle when being injected using disposable syringe It is exhausted, otherwise the air in clamped bottle enters people and knows from experience impact curative effect of medication or even patient body is worked the mischief, but This steps of exhausting is easily omitted by general patient when voluntarily injecting, and patient is difficult to correct grasp aerofluxuss power in exhaust process Degree, often goes out air to the greatest extent and arranges not to the utmost or because of situation that is excessive and discharging effective agent of exerting oneself；Additionally, disposable syringe There is a problem of inconvenient to carry, the disposable syringe after simultaneously using needs specialty to reclaim, and otherwise patient is after voluntarily injecting Arbitrarily discarding can cause the pollution to environment.

Utility model content

For the problems referred to above, this utility model provides a kind of reusable type cartridge bottle syringe support, and it can solve Existing reuse syringe can not meet the problem that medicaments disposably inject requirement, also can solve existing disposable simultaneously Syringe is not suitable for the problem that patient voluntarily injects.

Its technical scheme is, a kind of reusable type cartridge bottle syringe support, and it includes clamped bottle storehouse, telescopic body And push rod device, described clamped bottle storehouse is used for accommodating and is inoculated the clamped bottle of medicament, and the front end in described clamped bottle storehouse is removably Be provided with needle assembly, rear end by cassette bottle holder be installed on described telescopic body front end it is characterised in that: described push rod Device includes tubular push rod, push rod and aerofluxuss barrel, and described tubular push rod is placed in described telescopic body and can be in described set Movable in cartridge type body, the rear end of described tubular push rod is rotatably mounted with aerofluxuss knob, described aerofluxuss barrel located at In described tubular push rod and its rear end is connected with described aerofluxuss knob locking, described push rod run through described telescopic body and Described clamped bottle storehouse is stretched into by described cassette bottle holder in its front end, rear end is stretched in described aerofluxuss barrel and with described aerofluxuss barrel Inner thread connect, the center of described cassette bottle holder has flat through hole, the front end periphery of described push rod and described flat Through hole coordinates, and the periphery of described aerofluxuss barrel front end is regular reducing periphery, described reducing periphery and described pipe The front end inner circle cooperation of shape push rod, the front end of described tubular push rod with the mating reaction of described reducing periphery under can footpath outside Expand thus realizing and the tensioner locking or relative removable between described telescopic body.

Further, the front end of described aerofluxuss barrel is provided with head cam, and the periphery of described head cam is described change Footpath periphery, described reducing periphery by two groups of tensioner locking peripheries and two groups of relatively removable peripheries along clockwise direction according to Minor tick encloses and is formed, and the circumference of each described tensioner locking periphery and front end along clockwise direction is relative removable outer Between disc, step surface is engaged and is engaged by a radial groove and the relative removable periphery of rear end along clockwise direction between, The external diameter of described tensioner locking periphery, the external diameter of described tensioner locking periphery are more than the outer of described relatively removable periphery Footpath.

Further, the front inner wall of described tubular push rod is provided with the spacing semi-ring of two mirror symmetries, positioned at described The sidewall opening of the tubular push rod between two spacing semi-rings forms two symmetrical elastic clipping strips, described elastic clipping strip front end Lateral surface is provided with claw, medial surface is provided with inside flange, and the bottom surface of described flange is flushed with the top surface of described spacing semi-ring, The bottom surface of described aerofluxuss barrel leading head cam is spacing by described spacing semi-ring, the reducing of described flange and described head cam Periphery is fitted and described flange can embed cooperation with described radial groove, and the inwall of described telescopic body is arranged with Two retaining tooth bars, the locking tooth on the claw on described elastic clipping strip and described retaining tooth bar can form cooperation, described only The radially tangential, bottom of the tooth of the crest top land and described telescopic body that move back tooth tilts towards rear end and is in gradually-reducing shape.

Further, the bottom surface of head cam of described aerofluxuss barrel has the uniform index hole of circumference, described two Indexing salient point is respectively equipped with the top surface of spacing semi-ring, described indexing salient point can form cooperation with described index hole.

Further, in described telescopic body, damping spring is installed and described damping spring is placed on outside described push rod Week, the two ends of described damping spring respectively by described cassette bottle holder, the head cam of described aerofluxuss barrel front end top surface against Spacing.

Further, the outside wall surface of described tubular push rod offers two parallel vertical guide grooves, described telescopic body Rear end inwall on be installed with guide pad, described guide pad is embedded in described vertical guide groove.

Further, the rear end of described aerofluxuss barrel is flat gesture end, and described flat gesture end is flush-mounted in the flat of described aerofluxuss knob In gesture groove, pass through knob lock padlock between the rear end of described aerofluxuss barrel and described aerofluxuss knob tight.

Further, the rear end of described aerofluxuss barrel has center counterbore, the bottom surface of the flat gesture groove of described aerofluxuss knob Have through hole, described knob lock front end face is provided with elastic fastening hook, the elastic fastening hook of described knob lock stretches into described through hole Hook together with described center counterbore afterwards thus lock described aerofluxuss barrel with described aerofluxuss knob.

Further, described tubular push rod rear end lateral wall has the draw-in groove of circumference, the inner circumferential of described aerofluxuss knob Face is provided with convex tendon, and described convex tendon is embedded in described draw-in groove.

Further, described cassette bottle holder includes front end swivel nut, locating ring and the rear end cutting ferrule being arranged concentrically successively, described Clamped bottle storehouse is threadedly connected to that described front end swivel nut is cylindrical upper and the front end face by described locating ring is spacing, described telescopic body Leading section has stopper slot, and described rear end cutting ferrule is provided with limited block, and the front end of described telescopic body is installed in described rear end Cutting ferrule cylindrical upper and by described locating ring rear end face spacing, simultaneously described limited block embed in described stopper slot.

The having the beneficial effects that of this utility model type cartridge bottle syringe support: it can be reused and can use each time During all quickly and easily disposably inject all medicaments in complete clamped bottle, and can be before the injection in clamped bottle Air carry out the aerofluxuss of quantitative accurate, prevented to omit bleeding or aerofluxuss feelings not in place when patient voluntarily injects Condition it is ensured that injection safety；Meanwhile, its be easy to storage, easy to carry, be more applicable for the voluntarily injection of patient.

Brief description

Fig. 1 is a kind of main structure diagram of reusable type cartridge bottle syringe support of this utility model；

Fig. 2 be a kind of main view of reusable type cartridge bottle syringe support of this utility model to perspective diagram；

A kind of structural representation of reusable type cartridge bottle syringe support middle sleeve formula body of Fig. 3 this utility model；

Fig. 4 is the structural representation of tubular push rod in a kind of reusable type cartridge bottle syringe support of this utility model；

Fig. 5 is a of Fig. 4 to structural representation；

Fig. 6 is the b of Fig. 4 to structural representation；

Fig. 7 is the structural representation of aerofluxuss barrel in a kind of reusable type cartridge bottle syringe support of this utility model；

Fig. 8 is the c of Fig. 7 to structural representation；

Fig. 9 is the vertical of the first line of vision of aerofluxuss knob in a kind of reusable type cartridge bottle syringe support of this utility model Body structural representation；

Figure 10 is the second line of vision of aerofluxuss knob in a kind of reusable type cartridge bottle syringe support of this utility model Perspective view；

Figure 11 is that the stereochemical structure of knob lock in a kind of reusable type cartridge bottle syringe support of this utility model is shown It is intended to；

Figure 12 is a kind of structural representation of reusable type cartridge bottle syringe support intermediate champing bottle holder of this utility model；

Figure 13 is the d of Figure 12 to structural representation；

Figure 14 is that the partial enlargement of retaining tooth bar in a kind of reusable type cartridge bottle syringe support of this utility model shows It is intended to.

Wherein, 10- clamped bottle storehouse, telescopic body of 20-, 21- stopper slot, 22- retaining tooth bar, 231- crest top land, 232- Bottom of the tooth face, 24- damping spring, 25- guide pad, the vertical mounting groove of 26-, 30- cassette bottle holder, 31- flat through hole, 32- front end Swivel nut, 33- locating ring, 34- rear end cutting ferrule, 35- limited block, 40- tubular push rod, 41- draw-in groove, the spacing semi-ring of 42-, 421- indexes Salient point, 43- elastic clipping strip, 44- claw, 45- flange, the vertical guide groove of 46-, 50- push rod, 60- aerofluxuss barrel, 61- flat gesture end, 62- center counterbore, 63- head cam, 631a- tensioner locking periphery, 631b- tensioner locking periphery, 632a- is relatively removable Periphery, the relatively removable periphery of 632b-, 633- step surface, 634- radial groove, 635- index hole, 70- aerofluxuss knob, 71- Convex tendon, 72- flat gesture groove, 73- through hole, 80- knob latches, 81- elastic fastening hook, the 90- cap for brush.

Specific embodiment

See Fig. 1 and Fig. 2, a kind of reusable type cartridge bottle syringe support of this utility model, it includes pre- for accommodating It is inoculated with clamped bottle storehouse 10, telescopic body 20 and the push rod device of the clamped bottle of medicament, the front end in clamped bottle storehouse 10 is removably The front end that needle assembly, rear end are installed on telescopic body 20 by cassette bottle holder 30 is installed, cassette bottle holder 30 is included successively Front end swivel nut 32, locating ring 33 and the rear end cutting ferrule 34 being arranged concentrically, it is cylindrical that clamped bottle storehouse 10 is threadedly connected to front end swivel nut 32 On screw thread and the front end face by locating ring 33 is spacing, telescopic body 20 leading section has a stopper slot 21, rear end cutting ferrule 34 upper It is provided with limited block 35, the front end of telescopic body 20 is installed in that rear end cutting ferrule 34 is cylindrical upper and rear end face limit by locating ring 33 Position, simultaneously limited block 35 embed in stopper slot 21, thus ensureing can not relative to turn between telescopic body 20 and cassette bottle holder 30 Dynamic.

Push rod device includes tubular push rod 40, push rod 50 and aerofluxuss barrel 60, tubular push rod 40 cylindrical with telescopic body 20 inner circles are socketed and tubular push rod 40 can move forward and backward in telescopic body 20, and tubular push rod 40 has on the lateral wall of rear end The draw-in groove 41 of circumference, is shown in Fig. 4 and Fig. 6, the inner peripheral surface of aerofluxuss knob 70 is provided with convex tendon 71, sees Fig. 9, and convex tendon 71 is embedded in draw-in groove In 41, thus being capable of relatively rotating between aerofluxuss knob 70 and tubular push rod 40；Aerofluxuss barrel 60 is located at tubular push rod 40 Interior and its rear end is connected with aerofluxuss knob 70 locking by knob lock 80, and the rear end of aerofluxuss barrel 60 is flat gesture end 61, sees Fig. 7, flat gesture end 61 is flush-mounted in the flat gesture groove 72 of aerofluxuss knob 70, thus aerofluxuss barrel 60 can turn with aerofluxuss knob 70 is synchronous Dynamic, the rear end of aerofluxuss barrel is that flat gesture end 61 has center counterbore 62, and the bottom surface of the flat gesture groove 72 of aerofluxuss knob 70 has through hole 73, knob latches 80 front end faces and is provided with elastic fastening hook 81, and the elastic fastening hook 81 of knob lock stretches into through hole 73 Hou Yu center and sinks The step surface in hole 62 hooks together thus aerofluxuss barrel 60 is locked by knob lock 80 with aerofluxuss knob 70；Push rod 50 runs through telescopic pen Clamped bottle storehouse 10 is stretched into after passing through cassette bottle holder 30 in body 20 and its front end, rear end is stretched in aerofluxuss barrel 60 and with aerofluxuss barrel 60 inner thread connects, and locating ring 33 center of cassette bottle holder 30 offers flat through hole 31, the front end periphery of push rod 50 Coordinate with flat through hole 31, when aerofluxuss barrel 60 is with aerofluxuss knob 70 synchronous axial system, due to rear end and the aerofluxuss of push rod 50 The inner thread of barrel 60 connects and push rod 50 front end and the flat through hole 31 of cassette bottle holder 30 coordinate, thus push rod 50 Can only anterior-posterior translation.

The front end of aerofluxuss barrel 60 is provided with the head cam 63 of one, and the periphery of head cam 63 is that regular reducing is cylindrical Face, reducing periphery is by two groups of tensioners locking periphery 631a, 631b and two groups of relatively removable periphery 632a, 632b along up time Pin direction is spaced successively to enclose and is formed, and the circumference of each tensioner locking periphery can with the relative of front end along clockwise direction Move step surface 633 between periphery and engage that to pass through one and the relative removable periphery of rear end along clockwise direction between radially recessed Groove 634 engages, and the external diameter r1 of tensioner locking periphery is more than the external diameter r2 of relatively removable periphery；In the front end of tubular push rod 40 Wall is provided with the spacing semi-ring 42 of two mirror symmetries, the sidewall opening of the tubular push rod 40 between two spacing semi-rings 42 Formed two symmetrical elastic clipping strips 43, the lateral surface of elastic clipping strip 43 front end is provided with claw 44, medial surface be provided with inside Flange 45, the bottom surface of flange 45 is flushed with the top surface of spacing semi-ring 42, and the bottom surface of aerofluxuss barrel 60 leading head cam is by two Spacing semi-ring 42 is spacing, and flange 45 is fitted with the reducing periphery of head cam 63 and flange 45 can be embedding with radial groove 634 Enter cooperation, the inwall of telescopic body 20 offers two symmetrical vertical mounting grooves 26, two vertical mounting grooves 26 Interior respectively close-fitting installs retaining tooth bar 22, and the locking tooth on the claw 44 on elastic clipping strip 43 and retaining tooth bar 22 can be formed joins Close, the crest top land 231 of locking tooth is tilted to the back-end with radially tangential, the bottom of the tooth face 232 of telescopic body and is in gradually-reducing shape.Aerofluxuss During barrel 60 is with aerofluxuss knob 70 synchronous axial system, when the leading head cam 63 of aerofluxuss barrel 60 turns to tensioner locking When periphery 631a or 631b is fitted with the flange 45 of elastic clipping strip 43 inner side, pushed away by tensioner locking periphery 631a or 631b Action with and elastic clipping strip 43 elastic reaction of itself, the outside spreading of elastic clipping strip 43 make outside claw 44 with telescopic Retaining tooth bar 22 on body 20 inwall is fully engaged against, thus complete tensioner lock between tubular push rod 40 and telescopic body 20 Only, now between tubular push rod 40 and telescopic body 20 except can carry out closely spaced movement it is impossible to relative significantly Mobile；Fit with flange 45 when the leading head cam 63 of aerofluxuss barrel 60 turns to relatively removable periphery 632a or 632b When, elastic clipping strip 43 is subject to the outside spreading of promotion of relatively removable periphery 632a or 632b to make claw 44 just can hook sleeve The crest top land 231 of locking tooth on retaining tooth bar 22 on formula body 20 inwall, and now due to claw 44 and adjacent front end retaining There is gap between the bottom of the tooth face of tooth, if thus now tubular push rod 40 is applied with thrust forward, claw 44 be subject to oblique bottom of the tooth Under the extruding in face and natural resiliency metamorphosiss, tubular push rod 40 can relative sleeve formula body 20 move forward, and due to each The crest top land 231 of locking tooth is radially tangential with telescopic body, if now pulling back tubular push rod 40, claw 44 is subject to retaining The prevention of the crest top land of tooth, tubular push rod 40 cannot be moved after relative sleeve formula body 20；When the leading head of aerofluxuss barrel 60 is convex When wheel 63 turns to flange 45 and embeds in radial groove 634, there is not the elastic deformation of outside spreading, claw 44 in elastic clipping strip 43 Disengage with retaining tooth bar 22 completely, now tubular push rod 40 can be arbitrarily mobile in telescopic body 20.

The uniform index hole 635 of circumference is had on the bottom surface of head cam of aerofluxuss barrel 60, two spacing semi-rings 42 Indexing salient point 421 is respectively equipped with top surface, indexing salient point 421 can form cooperation with index hole 635；Because tubular push rod 40 will not Rotate with aerofluxuss barrel 60, thus aerofluxuss barrel 60 often turn over a fixation angle [alpha] when (α be two neighboring index hole between Central angle) indexing salient point 421 can be from falling into rear one division in the hole along the previous index hole of direction of rotation, and aerofluxuss barrel 60 Between the rectilinear movement distance of the anglec of rotation and push rod 50, there is quantitative proportionate relationship, thus by setting index hole 635 Quantity accurately can be controlled to the displacement of the push rod 50 being driven by aerofluxuss barrel 60, also just can be to push rod 50 to mistake Clamped bottle plunger is promoted accurately to be controlled come the amount to be exhausted；In the present embodiment, index hole 635 is provided with 12 altogether.

Damping spring 24 is installed in telescopic body 20 and damping spring 24 is placed on push rod 50 periphery, damping spring 24 Two ends respectively by locating ring 33 bottom surface of cassette bottle holder 30, the head cam 63 of aerofluxuss barrel 60 front end top surface against spacing, The resilience of spring 24 dampened when the flange 45 of elastic clipping strip 43 inner side embeds in the cylindrical radial groove of head cam 63 634 Effect aerofluxuss barrel 60 and tubular push rod 40 entirety can be moved rearwards by rapidly resetting.

The outside wall surface of tubular push rod 40 offers two parallel vertical guide grooves 46, on the rear end inwall of telescopic body 20 Be installed with guide pad 25, guide pad 25 is embedded in vertical guide groove 46, thus ensure tubular push rod 40 and telescopic body 20 it Between movement reliability, it is to avoid between the two because gap relatively rotates.

In order to make it easy to understand, representing the front end in orientation in this utility model, rear end is court on the basis of telescopic body 20 It is front end to one end of needle assembly, rightabout is rear end.

Of the present utility model use process be detailed below:

(1) rotate counterclockwise aerofluxuss knob 70 on earth, aerofluxuss barrel 60 drives push rod 50 with aerofluxuss knob 70 synchronous axial system Retreat to initial position, and making the flange 45 of elastic clipping strip 43 inner side of tubular push rod, to embed aerofluxuss barrel 60 leading head convex In the radial groove 634 of wheel 63, under the rebound effect of damping spring 24, aerofluxuss barrel 60 and tubular push rod 40 are overall rapidly Eject in telescopic body 20, now the head of the flange 45 inside the elastic clipping strip of tubular push rod and aerofluxuss barrel 60 front end Cylindrical tensioner locking periphery 631a, 631b laminating of cam 63, can only be carried out between tubular push rod 40 and telescopic body 20 Closely spaced micro-shifting and cannot be carried out significantly relative movement that is to say, that in this case promote tubular push rod 40 cannot enter Row injection；

(2) clamped bottle storehouse 10 is screwed off from the front end swivel nut 32 of cassette bottle holder 30, then the clamped bottle of medicament will be inoculated Put in clamped bottle storehouse 10, then threadeded in the rear end in clamped bottle storehouse 10 assembling with the front end swivel nut 32 of cassette bottle holder 30, And needle assembly is assemblied in the front end in clamped bottle storehouse；

(3) gently press forward tubular push rod 40, tubular push rod 40 drive aerofluxuss barrel 60, push rod 50 move forward together up to The front end in contact card bottle plunger top surface of push rod 50, now the flange 45 inside the elastic clipping strip of tubular push rod still with aerofluxuss barrel Tensioner locking periphery 631a, 631b that the head cam 63 of 60 front ends is cylindrical fit, thus promoting tubular push rod 40 cannot enter Row injection；Then rotate clockwise aerofluxuss knob 70 thus driving aerofluxuss barrel 60 to rotate, aerofluxuss barrel 60 drives push rod 50 Thus promoting clamped bottle plunger to complete aerofluxuss, can be needed according to aerofluxuss in the present embodiment will be clockwise for aerofluxuss knob 70 for reach Rotate 1/12nd circle～ten 3/2nds circle, wherein often rotate 1/12nd circle and enable 2 units of aerofluxuss；And During aerofluxuss barrel 60 rotates and promotes push rod 50 reach, head cam 63 synchronous axial system is so that the elasticity of tubular push rod Flange 45 inside card article is gone to and relative removable periphery from the state fitted with tensioner locking periphery 631a/631b The state of 632a/632b laminating；

(4) hold telescopic body 20, forward press tubular push rod 40, now due to the elastic clipping strip of tubular push rod inside Flange 45 be with relative removable periphery 632a/632b be in laminating state, claw 44 be subject to oblique bottom of the tooth face extruding and The structure influence of locking tooth under natural resiliency metamorphosiss and on retaining tooth bar, tubular push rod 40 be merely able to reach and cannot Inversely exit, thus completing to inject, and no matter be injected to how much dosage tubular push rod 40 and also will not push up backward damped spring Go out；

(5), after the completion of injecting, in tubular push rod, the claw 44 of elastic clipping strip is locked in the front end of retaining tooth bar, by syringe needle Assembly unloads from the front end in clamped bottle storehouse 10, then the cap for brush 90 is placed on clamped bottle storehouse 10, now whole type cartridge bottle syringe support Length is the shortest, is easy to receive；

The repeat the above steps when type cartridge bottle syringe support needs to reuse.

Claims (10)

1. a kind of reusable type cartridge bottle syringe support, it includes clamped bottle storehouse, telescopic body and push rod device, described Clamped bottle storehouse is used for accommodating and is inoculated the clamped bottle of medicament, the front end in described clamped bottle storehouse be removably provided with needle assembly, Rear end by cassette bottle holder be installed on described telescopic body front end it is characterised in that: described push rod device includes tubulose and pushes away Bar, push rod and aerofluxuss barrel, before and after described tubular push rod is placed in described telescopic body and can be in described telescopic body Mobile, the rear end of described tubular push rod is rotatably mounted with aerofluxuss knob, and described aerofluxuss barrel is in described tubular push rod And its rear end is connected with described aerofluxuss knob locking, described push rod runs through described telescopic body and its front end is by described Cassette bottle holder stretches into described clamped bottle storehouse, rear end is stretched in described aerofluxuss barrel and connects with the inner thread of described aerofluxuss barrel Connect, the center of described cassette bottle holder has flat through hole, the front end periphery of described push rod and described flat through hole cooperation, institute The periphery stating aerofluxuss barrel front end is the reducing periphery of rule, in the front end of described reducing periphery and described tubular push rod Circle cooperation, the front end of described tubular push rod with the mating reaction of described reducing periphery under can radially extend out thus realizing and institute State the tensioner locking or relatively removable between telescopic body.

2. a kind of reusable type cartridge bottle syringe support according to claim 1 it is characterised in that: described aerofluxuss spiral shell The front end of cylinder is provided with head cam, and the periphery of described head cam is described reducing periphery, and described reducing periphery is by two Group tensioner locking periphery and two groups of relatively removable peripheries are spaced to enclose successively along clockwise direction and are formed, and each described Between the circumference of tensioner locking periphery and the relative removable periphery of front end along clockwise direction, step surface engages and along up time Pass through a radial groove between the relatively removable periphery of pin direction rear end to engage, the external diameter of described tensioner locking periphery is more than The external diameter of described relatively removable periphery.

3. a kind of reusable type cartridge bottle syringe support according to claim 2 it is characterised in that: described tubulose pushes away The front inner wall of bar is provided with the spacing semi-ring of two mirror symmetries, the tubular push rod between described two spacing semi-rings Sidewall opening forms two symmetrical elastic clipping strips, and the lateral surface of described elastic clipping strip front end is provided with claw, medial surface is provided with Inside flange, the bottom surface of described flange is flushed with the top surface of described spacing semi-ring, described aerofluxuss barrel leading head cam Bottom surface is spacing by described spacing semi-ring, and described flange is fitted with the reducing periphery of described head cam and described flange can be with Described radial groove embeds cooperation, and the inwall of described telescopic body is arranged with two retaining tooth bars, described elastic clipping strip On claw and described retaining tooth bar on locking tooth can form cooperation, the crest top land of described locking tooth and described telescopic pen The radially tangential, bottom of the tooth of body tilts towards rear end and is in gradually-reducing shape.

4. a kind of reusable type cartridge bottle syringe support according to claim 3 it is characterised in that: described aerofluxuss spiral shell The uniform index hole of circumference is had on the bottom surface of head cam of cylinder, the top surface of described two spacing semi-rings is respectively equipped with indexing Salient point, described indexing salient point can form cooperation with described index hole.

5. according to described a kind of reusable type cartridge bottle syringe support arbitrary in Claims 1 to 4 it is characterised in that: The rear end of described aerofluxuss barrel is flat gesture end, and described flat gesture end is flush-mounted in the flat gesture groove of described aerofluxuss knob, described aerofluxuss spiral shell Tight by knob lock padlock between the rear end of cylinder and described aerofluxuss knob.

6. a kind of reusable type cartridge bottle syringe support according to claim 5 it is characterised in that: described telescopic In body, damping spring is installed and described damping spring is placed on described push rod periphery, the two ends of described damping spring are respectively by institute The front end top surface stating cassette bottle holder, the head cam of described aerofluxuss barrel is against spacing.

7. a kind of reusable type cartridge bottle syringe support according to claim 5 it is characterised in that: described tubulose pushes away The outside wall surface of bar offers two parallel vertical guide grooves, the rear end inwall of described telescopic body is installed with guide pad, institute State guide pad to be embedded in described vertical guide groove.

8. a kind of reusable type cartridge bottle syringe support according to claim 5 it is characterised in that: described aerofluxuss spiral shell The rear end of cylinder has center counterbore, and the bottom surface of the flat gesture groove of described aerofluxuss knob has through hole, on described knob lock front end face It is provided with elastic fastening hook, the elastic fastening hook of described knob lock hooks together thus will be described with described center counterbore after stretching into described through hole Aerofluxuss barrel and described aerofluxuss knob locking.

9. a kind of reusable type cartridge bottle syringe support according to claim 8 it is characterised in that: described tubulose pushes away The draw-in groove of circumference is had on rod rear end lateral wall, the inner peripheral surface of described knob lock is provided with convex tendon, and described convex tendon is embedded in institute State in draw-in groove.

10. a kind of reusable type cartridge bottle syringe support according to claim 5 it is characterised in that: described cassette Bottle holder includes front end swivel nut, locating ring and the rear end cutting ferrule being arranged concentrically successively, described clamped bottle storehouse be threadedly connected to described before End swivel nut is cylindrical upper and the front end face by described locating ring is spacing, and described telescopic body leading section has stopper slot, described after End cutting ferrule is provided with limited block, and it is cylindrical upper and by described locating ring that the front end of described telescopic body is installed in described rear end cutting ferrule Rear end face spacing, simultaneously described limited block embed in described stopper slot.