CN207837969U - A kind of device for realizing syringe quick load and release - Google Patents

Abstract

The utility model provides a kind of device for realizing syringe quick load and release, and stop flange and clamping flange are provided on the lateral wall of one end that syringe is connect with the device, and tail end of the flange close to syringe is clamped, and stop flange outer ring is oval；The device includes an injection head, and outer retainer ring, intermediate plate, interior retainer ring are sequentially set in injection head；Outer retainer ring is made of outer retainer ring top setting up and down and outer retainer ring lower part；The interior retainer ring is made of interior retainer ring top setting up and down and interior retainer ring lower part, and is provided with elastic construction between interior retainer ring top, interior retainer ring lower part and the injection head.The device provided by the utility model for realizing syringe quick load and release, it is only necessary to by rotating syringe, so that it may it is easy to operate will have on the injection needle tube quick load to the device of special construction and can quickly remove, it is simple and compact for structure；And the stable connection between syringe and device, it is not easy to shake, be stably connected between syringe to realize.

Description

A kind of device for realizing syringe quick load and release

Technical field

The utility model is related to injection needle tube design fields, and in particular to a kind of realization syringe quick load and release Device.

Background technology

Syringe is usually matched with syringe, and liquid is housed in syringe, and syringe is connect with syringe, and syringe pushes needle Liquid within the cartridge realizes injection.

Existing power injector has in terms of the loading of syringe and release to be designed there are inconvenient problem with use, It can influence the mode that syringe is installed to power injector and/or is maintained in power injector, and design inconvenience can So that user (such as medical supplier) executes the mode for loading and discharging and complicates.

Utility model content

For the problems in background technology, the utility model provides a kind of dress for realizing syringe quick load and release It sets, stop flange and clamping flange is provided on the lateral wall of syringe connecting pin, the clamping flange is connected close to the syringe The tail end at end, the stop flange outer ring are oval；

The device includes an injection head, and outer retainer ring, intermediate plate, interior retainer ring are sequentially set in the injection head；It is described Outer retainer ring is made of outer retainer ring top setting up and down and outer retainer ring lower part；The interior retainer ring is by interior retainer ring top setting up and down It is formed with interior retainer ring lower part, and elastic construction is provided between the interior retainer ring top, interior retainer ring lower part and the injection head；

When loading, the syringe injects in the injection head, and the clamping flange pushes up after passing through the outer retainer ring, intermediate plate The interior retainer ring is opened, the interior retainer ring top moves up, interior retainer ring lower part moves down；After the clamping flange passes through the interior retainer ring, The side of interior retainer ring top, interior retainer ring lower return under elastic construction effect, the clamping flange is pressed in the interior card It encloses on side, the side of the stop flange is pressed on the intermediate plate, the syringe axially position；At this point, the outer retainer ring Top and outer retainer ring lower part are motionless, the outer retainer ring top and outer retainer ring lower part at the inner ring of outer retainer ring be in and the limit The matched ellipse in flange outer ring, the stop flange are trapped into the oval inner ring of the outer retainer ring；

When release, the syringe is rotated, the stop flange pushes the outer retainer ring top, outer retainer ring lower part to open up and down It opens, the outer retainer ring top, outer retainer ring lower part drive the interior retainer ring top, interior retainer ring lower part to open up and down respectively by connector It opens；The interior retainer ring opens, and is moved outside the clamping flange and is detached from the interior retainer ring, completes syringe release；Stop flange is de- simultaneously From the outer retainer ring, under the action of the elastic construction, the interior retainer ring, outer retainer ring reset.

Preferably, the difference of stop flange outer ring major semiaxis and semi-minor axis is more than the outer retainer ring top, outer retainer ring The moveable distance in lower part.

Preferably, the clamping flange is the first inclined-plane, the inner ring of the interior retainer ring backwards to the side of the stop flange On be provided with the second inclined-plane, when the open-top interior retainer ring of the clamping flange, first inclined-plane is slided along second inclined-plane.

Preferably, the inner ring of the outer retainer ring is provided with chamfering backwards to the side of the intermediate plate.

Preferably, the connector include setting in the outer retainer ring top, outer retainer ring lower part towards the intermediate plate Boss on the side of side, corresponding position is provided with the first relief hole, the interior retainer ring top, interior retainer ring on the intermediate plate Corresponding position is provided with the second relief hole on lower part, and the boss passes through first relief hole, the second relief hole, and described Boss can be moved up and down relative to first relief hole, the second relief hole.

Preferably, before loading, the boss is close to first relief hole inboard, close to the outer of second relief hole Side.

Preferably, the outer ring of the clamping flange is rounded.

Preferably, the intermediate plate is provided centrally with circular through hole, the diameter of the circular through hole is more than the clamping The outer diameter of flange is less than the long axis length of the stop flange outer ring.

Preferably, the injection head is towards limited step hole is provided on the side of the injection tube, the other side is provided with The sliding slot communicated with the limited step hole, the outer retainer ring, intermediate plate, interior retainer ring are mounted in the sliding slot.

Preferably, further include having a guide sleeve, the device and syringe for the realization syringe quick load and release Connection.

Preferably, described guide sleeve one end connects the injection head, the other end connects syringe；The guide sleeve is axially provided with One guide sleeve endoporus, the guide sleeve endoporus are connected to the interior retainer ring, and the tail portion of the syringe connecting pin is after the interior retainer ring It puts in the guide sleeve endoporus.

Preferably, clearance fit between the guide sleeve endoporus and the lateral wall of syringe connecting pin tail portion.

The utility model additionally provides a kind of syringe, which is characterized in that one end that the syringe is used to connect with syringe Lateral wall on be provided with stop flange and clamping flange, it is described clamping flange close to the syringe connecting pin tail end, it is described Stop flange outer ring is oval.

14, syringe according to claim 13, which is characterized in that the clamping flange is backwards to the stop flange Side is an inclined-plane.

The utility model due to using the technology described above, is allowed to compared with prior art, have the following advantages that and accumulate Pole effect：

The device provided by the utility model for realizing syringe quick load and release, it is only necessary to by rotating syringe, so that it may It is easy to operate will be equipped on the injection needle tube quick load to the device of special construction and can quickly remove, it is simple in structure tight It gathers；And the stable connection between syringe and device, it is not easy to shake, be stably connected between syringe to realize.

Description of the drawings

In conjunction with attached drawing, by hereafter state detailed description, can be more clearly understood that the above-mentioned and other spy of the utility model It seeks peace advantage, wherein：

Fig. 1 is the fractionation schematic diagram of realization syringe quick load provided by the utility model and the device of release；

Fig. 2 is the structural schematic diagram of injection needle tube in the utility model；

Fig. 3 is the front view of the injection needle tube in Fig. 2；

Fig. 4 is the structural representation of realization syringe quick load provided by the utility model and the device of release；

Fig. 5 be the utility model China and foreign countries retainer ring top and outer retainer ring lower part at the oval schematic diagram of inner ring；

Fig. 6 is the structural representation at injection head back in the utility model；

The first relief hole on boss and intermediate plate when Fig. 7 is unloaded on outer retainer ring, second on interior retainer ring are stepped down Position relationship schematic diagram between hole；

Fig. 8 is the schematic diagram between syringe and injection head when starting to load；

Fig. 9 is the schematic diagram that the open-top interior retainer ring of flange is clamped in loading process；

Figure 10 is the clamping open-top interior retainer ring of flange to injection head schematic rear view when maximum position in loading process；

Figure 11 is in loading process, and the clamping open-top interior retainer ring of flange is to outside when maximum position on retainer ring convex platform and intermediate plate Circular through hole, on interior retainer ring the second relief hole position relationship schematic diagram；

Figure 12 is each part position relations schematic diagram after the completion of syringe loads；

Figure 13 is the front view of syringe and quick load and release device after the completion of injection needle tube loads；

Figure 14 is the structural schematic diagram at injection head back after the completion of injection needle tube loads；

Figure 15 is the position relationship schematic diagram of outer retainer ring and stop flange after the completion of injection needle tube loads；

Syringe is rotated to the schematic diagram of maximum position when Figure 16 is release injection needle tube；

Figure 17 is the position relationship schematic diagram of outer retainer ring and stop flange when discharging injection needle tube；

When Figure 18 is release injection needle tube, syringe is rotated to maximum position, the structural schematic diagram at injection head back；

When Figure 19 is release injection needle tube, syringe is rotated to maximum position, each part position relations schematic diagram；

When Figure 20 is release injection needle tube, syringe is rotated to maximum position, and the circle of boss, intermediate plate on outer retainer ring is logical The position relationship schematic diagram of the second relief hole on hole, interior retainer ring.

Specific implementation mode

Referring to the attached drawing for showing the utility model embodiment, the utility model is described in more detail.However, this reality It can be realized in many different forms with novel, and should not be construed as being limited by the embodiment herein proposed.On the contrary, proposing These embodiments be in order to reach fully and complete disclosure, and make those skilled in the art understand completely this practicality newly The range of type.In these attached drawings, for clarity, the size and relative size in layer and region may be exaggerated.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

Referring to Fig.1-20, the utility model provides a kind of device for realizing syringe quick load and release, syringe with should Stop flange 101 and clamping flange 100 are provided on the lateral wall of one end of device connection, wherein clamping flange is close to injection tube The outer ring of the tail end of 1 connecting pin, stop flange 101 is oval；The realization syringe quick load and the device of release include One injection head 2 is sequentially set with outer retainer ring 3, intermediate plate 4, interior retainer ring 6 in injection head 2；Outer retainer ring 3 is by wild card setting up and down Enclose top and outer retainer ring lower part composition；Interior retainer ring 6 is made of interior retainer ring top setting up and down and interior retainer ring lower part, and interior card It is provided with elastic construction between circle top, interior retainer ring lower part and injection head.

Syringe 1 load when, the tail end of syringe is injected in any direction in injection head 2, clamping flange 100 pass through outer retainer ring 3, Open-top interior retainer ring 6 after intermediate plate 4 so that interior retainer ring top moves up, interior retainer ring lower part moves down；Flange 100 is clamped and passes through interior retainer ring 6 Afterwards, interior retainer ring top, interior retainer ring lower return under elastic construction effect, and side (the clamping Flange Plane of flange 100 is clamped 1002) it is pressed on 6 side of interior retainer ring, the side of stop flange 101 is pressed on the side of intermediate plate 4,1 axially position of syringe；This When, outer retainer ring top is remained stationary as with outer retainer ring lower position, outer retainer ring top and outer retainer ring lower part at outer retainer ring in Circle is in be trapped into the oval inner ring of outer retainer ring 3 with the matched ellipse in stop flange outer ring, stop flange 101；

When syringe 1 discharges, syringe 1 is rotated, since the outer ring 1011 of stop flange 101 and the inner ring 301 of outer retainer ring 3 are in The ellipse to match, when stop flange 101 rotates, stop flange 101 pushes outer retainer ring top, on outer retainer ring lower part Lower opening, outer retainer ring top, outer retainer ring lower part drive interior retainer ring top, interior retainer ring lower part to open up and down respectively by connector； Interior retainer ring 6 opens, and clamping flange 100 can move retainer ring in disengaging outside, that is, realize the release of syringe, while stop flange 101 Also outer move is detached from outer retainer ring 3, and under the action of elastic construction, interior retainer ring, outer retainer ring reset.

The device provided by the utility model for realizing syringe quick load and release, it is only necessary to by rotating syringe, so that it may Will be provided on the syringe quick load to the device of stop flange, clamping flange and can quickly remove, easy to operate, structure Simple and compact；And the stable connection between syringe and device, it is not easy to shake, be stably connected between syringe to realize.

In the present embodiment, in conjunction with Fig. 1,6,7,8, the shape of injection head 2 is rectangular-shaped in one, certainly in other embodiments Injection head 2 is whole also can be in the form of annular discs etc., is not limited herein.Injection head 2 is towards being provided with circular limit on the side of syringe 1 The device is inserted into position stepped hole 201, limited step hole 201 for syringe 1；One and limit are provided on the other side of injection head 2 The sliding slot 200 that stepped hole 201 communicates, outer retainer ring 3, intermediate plate 4 and interior retainer ring 6 are sequentially vertically arranged in the sliding slot 200； In the present embodiment, outer retainer ring 3, the shape of intermediate plate 4 and interior retainer ring 6 and sliding slot 200 match, in order to be directly clamped among cunning Limit in slot 200 and on vertical direction；Outer retainer ring 3, intermediate plate 4 and interior retainer ring 6 are vertically arranged and side is affixed, while Sliding slot side, elastic construction collective effect under ensure that the initial position of outer retainer ring 3, intermediate plate 4 and interior retainer ring 6；Outer retainer ring 3, the inner ring of intermediate plate 4 and interior retainer ring 6 is also located at limited step hole 201 in same axial direction, and the end of syringe passes through limiting stand It is injected in the inner ring of outer retainer ring 3, intermediate plate 4 and interior retainer ring 6 behind rank hole 201.

In the present embodiment, outer retainer ring 3, interior retainer ring 6 are mainly linked by connector in sliding slot, and connector includes setting Set the boss 303 on outer retainer ring towards the middle 4 side side of plate.

Specifically, in conjunction with Fig. 1 and Fig. 7, outer retainer ring top, outer retainer ring lower part towards the middle on the side of plate 4 respectively at least There are one boss 303 for setting；The first relief hole 400 is provided on intermediate plate 4 with 303 corresponding position of boss, on interior retainer ring The second relief hole 602 is respectively arranged in portion, interior retainer ring lower part with boss corresponding position, boss 303 sequentially passes through first and allows Position hole 400, the second relief hole 602；It is provided with elastic construction 5, interior card between 200 top of top and sliding slot on interior retainer ring top It is also equipped with elastic construction 5 between 200 bottom of bottom and sliding slot of circle lower part；Wherein, spring etc. specifically can be used in elastic construction 5 Mode is realized, is not limited herein.

Before syringe loading, boss is inboard (i.e. close to the side in axle center) close to the first relief hole 400, while close to second The outside (i.e. the side far from axle center) of relief hole 602, as shown in Figure 7.The utility model is stepped down by boss 303 and first Hole 400, second relief hole 602 are equipped with, so that when loading, interior retainer ring 6 will not drive outer retainer ring 3 to move when opening It is dynamic so that the position of outer retainer ring 3 remains stationary as, and in release, outer retainer ring 3 opens can drive interior retainer ring 6 to open again.

Further, in the present embodiment, the first relief hole 400, the second relief hole 602 are in vertical strip structure, are Boss 303 provides the space moved in the first relief hole 400, the second relief hole 602.

Further, in the present embodiment, can stablize in use for ease of outer retainer ring top, outer retainer ring lower part Move up and down, the both sides of outer retainer ring upper side are respectively arranged with a boss, and the both sides of outer retainer ring lower side are respectively set There is a boss, the first relief hole, the setting number of the second relief hole and installation position are also corresponding with boss, such as institute in Fig. 1 Show.Certainly, in other embodiments, outer retainer ring top, on outer retainer ring lower part also can only there are one boss for setting respectively, can also divide It is not provided with multiple boss, is not limited herein.

In the present embodiment, the outer ring 1011 of stop flange 101 is oval, outer retainer ring top, outer retainer ring lower part At inner ring 301 match before loading and after loading with the outer ring of stop flange 101, moreover, outside stop flange 101 The difference for enclosing major semiaxis and semi-minor axis is more than outer retainer ring top, the outer moveable distance in retainer ring lower part, can either ensure to fill in this way Stop flange 101 is just trapped into the inner ring of outer retainer ring 3 when load, when release the rotation of stop flange 101 can push outer retainer ring again It opens.

Wherein, before loading and after loading, the outer ring 1011 of stop flange can be affixed with the inner ring 301 of outer retainer ring, Can be spaced apart, it is not limited herein, as long as outer retainer ring can be pushed open when stop flange 101 rotates.

Wherein, the inner ring of outer retainer ring is additionally provided with chamfering 302 backwards to the side of intermediate plate 4, as shown in Fig. 5, Fig. 7；This Utility model is by the setting of chamfering 302, so that stop flange 101 is more easy in the inner ring for being embedded into outer retainer ring.

In the present embodiment, the outer ring 100 of clamping flange 100 is rounded, and interior retainer ring top, interior retainer ring lower part surround interior The maximum distance on moving direction is enclosed, the diameter of 100 outer ring of clamping flange is less than under initial situation, so as to the side of interior retainer ring It is affixed carry out axial limiting with the side of clamping flange.

Wherein, clamping flange 100 is the first inclined-plane 1001 backwards to the side of stop flange 101, is set on the inner ring of interior retainer ring 6 The second inclined-plane 600 is set, when 100 open-top interior retainer ring 6 of flange is clamped, the first inclined-plane 1001 is slided along the second inclined-plane 600, in Fig. 9 It is shown.The utility model is equipped with by the first inclined-plane 1001, second inclined-plane 600, to make chucking method when loading Orchid 100 is more easy to open-top interior retainer ring 6.

In the present embodiment, intermediate plate 4 is provided centrally with circular through hole；The diameter of circular through hole is more than clamping flange 100 outer diameter passes through intermediate plate 4 in order to which flange 100 is clamped, while the diameter of circular through hole is less than 101 outer ring of stop flange Long axis length so that the side of stop flange 101 load it is good after can be pressed on the side of intermediate plate 4, realize axis To limit.

In the present embodiment, realize that the device of syringe quick load and release further includes having a guide sleeve 7, for the device with Connection between syringe.

Specific, 7 one end of guide sleeve connects injection head, and the other end connects on the injector；Guide sleeve 7 is axial to be provided with a guide sleeve The tail portion of endoporus 700, guide sleeve endoporus 700 and 6 coaxial communication of interior retainer ring, 1 connecting pin of syringe is put in after interior retainer ring 6 in guide sleeve In hole 700；Further, lateral wall (the syringe periphery i.e. shown in Fig. 2 of guide sleeve endoporus 700 and syringe connecting pin tail portion 102) clearance fit between ensure that the stability of connection to reduce the radial shaking of syringe 1.

The operation principle of the utility model is further described below, it is specific as follows：

1, loading process

With reference to Fig. 8-15,1 any direction of syringe injects in injection head 1, and clamping flange 100 passes through outer retainer ring 3, intermediate plate 4 Afterwards, the first inclined-plane 1001 of 100 side of clamping flange contacts the second inclined-plane 600 on 6 inner ring of interior retainer ring, and syringe 1 continues to move forward And the interior retainer ring top, interior retainer ring lower part of retainer ring are opened up and down in pushing, consequently facilitating clamping flange 100 passes through interior retainer ring 6, together When interior retainer ring top, interior retainer ring lower part move up and down elasticity of compression structure 5；During this, due to the second relief hole on interior retainer ring 6 602 setting reserves activity space so that position remains unchanged outer retainer ring 4 in the process for the boss 303 on outer retainer ring 4；

When the side 301 of the side of stop flange 101 1012 and outer retainer ring 3 contacts, it is straight that any direction rotates syringe 1 It is trapped in stop flange 101 in the inner ring for the ellipse that outer retainer ring 3 surrounds；After stop flange 101 is trapped into outer retainer ring 3, outside The inner ring 301 of retainer ring 3 holds the outer ring 1011 of stop flange 101 tightly, and the side 1012 of stop flange 101 is pressed in the side of intermediate plate 4 On face, to realize the limit on the axial upper direction of syringe 1；

After stop flange 101 is put in outer retainer ring 3, clamping flange 100 is detached from interior retainer ring 6, in 5 back stretch of elastic construction Under the action of, the periphery of syringe 1 is held on interior retainer ring top, outer retainer ring lower return tightly, and interior retainer ring 6 is located at clamping 100 He of flange Between stop flange 101；It is plane that flange 100, which is clamped, towards the side 1002 of stop flange 101, and side 1002 is pressed in interior card On the side 601 of circle 6, to realize the limit on another the axial upper direction of syringe 1；Meanwhile the tail portion of 1 connecting pin of syringe It puts in guide sleeve endoporus 700, and clearance fit；The loading process of syringe 1 is completed.

2, process is discharged

6-20 referring to Fig.1, any direction rotate syringe 1, and 101 major semiaxis end of stop flange pushes outer retainer ring top, wild card Lower part is enclosed to open up and down；During outer retainer ring top, outer retainer ring lower part are opened, the outerplanar 3031 of boss 303 presses against the The outerplanar 6021 of two relief holes 602, to which retainer ring top moves up, outer retainer ring lower part moves down in drive so that about 6 interior retainer ring It opens, while elastic construction 5 is compressed again；

After interior retainer ring 6 opens, the side 1002 of interior retainer ring 6 is detached from the side 601 of interior retainer ring 6, extracts syringe axially outward 1, complete the release of syringe 1；

After syringe 1 discharges, under the action of 5 screen resilience of elastic construction, interior retainer ring 6 resets, while passing through 303 band of boss It moves outer retainer ring 3 to reset together, for use next time.

Embodiment 2

As shown in Figure 2, the utility model additionally provides a kind of syringe, one end that syringe is used to connect with syringe outside Stop flange 101 and clamping flange 100 are provided on side wall, clamping flange 100 is close to the tail end of syringe connecting pin, stop flange 101 outer rings are oval.

Wherein, syringe is realized with syringe by a quick load and the device of release and is connected, the quick load and release Set and be directly installed in injection, syringe passes through stop flange and clamping flange is realized and the loading of the device or release.

The device includes an injection head, and outer retainer ring, intermediate plate, interior retainer ring are sequentially set in injection head；Outer retainer ring by Outer retainer ring top setting up and down and outer retainer ring lower part composition；Interior retainer ring is by interior retainer ring top setting up and down and interior retainer ring lower part Composition, and it is provided with elastic construction between interior retainer ring top, interior retainer ring lower part and injection head.Clamping flange on syringe be used for it is interior Retainer ring cooperation examination bottom cylinder is laden to grip fixation, and stop flange, which is used to coordinate with intermediate plate, realizes that syringe is laden Axial limiting, and the quick release of syringe is realized in ventilate outer ring structure and outer the retainer ring cooperation of ellipse of stop flange 101.

Specifically, when loading, syringe injects in injection head, and clamping flange passes through open-top interior retainer ring after outer retainer ring, intermediate plate, Interior retainer ring top moves up, interior retainer ring lower part moves down；Flange is clamped after interior retainer ring, under elastic construction effect on interior retainer ring Portion, interior retainer ring lower return, the side that flange is clamped are pressed on interior retainer ring side, and the side of stop flange is pressed on intermediate plate, Syringe axially position；At this point, outer retainer ring top and outer retainer ring lower part are motionless, outer retainer ring top and outer retainer ring lower part at wild card The inner ring of circle is in be trapped into the oval inner ring of outer retainer ring with the matched ellipse in stop flange outer ring, stop flange；

When release, syringe is rotated, stop flange pushes outer retainer ring top, outer retainer ring lower part to open up and down, outer retainer ring top, Outer retainer ring lower part drives the interior retainer ring top, interior retainer ring lower part to open up and down respectively by connector；Interior retainer ring opens, clamping Retainer ring in being detached from is moved outside flange, completes syringe release；Stop flange is detached from outer retainer ring simultaneously, interior under the action of elastic construction Retainer ring, outer retainer ring reset.

In the present embodiment, clamping flange is an inclined-plane backwards to the side of stop flange, convenient for smoothly strutting interior retainer ring.

Those skilled in the art should be understood that the utility model can be realized with many other concrete forms without de- Spirit or scope from itself.Although the case study on implementation of the utility model has been described, it should be understood that the utility model should not limit Be made as these embodiments, those skilled in the art can as defined by the following claims the spirit of the utility model and Within the scope of make change and modification.

Claims (12)

1. a kind of device for realizing syringe quick load and release, which is characterized in that

Stop flange and clamping flange are provided on the lateral wall of syringe connecting pin, the clamping flange is connected close to the syringe The tail end at end, the stop flange outer ring are oval；

The device includes an injection head, and outer retainer ring, intermediate plate, interior retainer ring are sequentially set in the injection head；The wild card Circle is made of outer retainer ring top setting up and down and outer retainer ring lower part；The interior retainer ring is by interior retainer ring top setting up and down and interior Retainer ring lower part forms, and is provided with elastic construction between the interior retainer ring top, interior retainer ring lower part and the injection head；

When loading, the syringe injects in the injection head, and the clamping flange passes through open-top institute after the outer retainer ring, intermediate plate Interior retainer ring is stated, the interior retainer ring top moves up, interior retainer ring lower part moves down；After the clamping flange passes through the interior retainer ring, in institute Elastic construction effect lower interior retainer ring top, interior retainer ring lower return are stated, the side of the clamping flange is pressed in the interior retainer ring side On face, the side of the stop flange is pressed on the intermediate plate, the syringe axially position；At this point, the outer retainer ring top It is motionless with outer retainer ring lower part, the outer retainer ring top and outer retainer ring lower part at the inner ring of outer retainer ring be in and the stop flange The matched ellipse in outer ring, the stop flange are trapped into the oval inner ring of the outer retainer ring；

When release, the syringe is rotated, the stop flange pushes the outer retainer ring top, outer retainer ring lower part to open up and down, institute State outer retainer ring top, outer retainer ring lower part drives the interior retainer ring top by connector respectively, interior retainer ring lower part is opened up and down；Institute It states interior retainer ring to open, is moved outside the clamping flange and be detached from the interior retainer ring, complete syringe release；Described in stop flange is detached from simultaneously Outer retainer ring, under the action of the elastic construction, the interior retainer ring, outer retainer ring reset.

2. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that the stop flange The difference of outer ring major semiaxis and semi-minor axis is more than the outer retainer ring top, the outer moveable distance in retainer ring lower part.

3. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that the clamping flange It is the first inclined-plane backwards to the side of the stop flange, the second inclined-plane, the chucking method is provided on the inner ring of the interior retainer ring When the blue open-top interior retainer ring, first inclined-plane is slided along second inclined-plane.

4. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that the outer retainer ring Inner ring is provided with chamfering backwards to the side of the intermediate plate.

5. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that the connector packet It includes and is arranged in the outer retainer ring top, outer retainer ring lower part towards the boss on the side of the intermediate plate side, the intermediate plate Upper corresponding position is provided with the first relief hole, and corresponding position is provided with second on the interior retainer ring top, interior retainer ring lower part Relief hole, the boss passes through first relief hole, the second relief hole, and the boss can step down relative to described first Hole, the second relief hole move up and down.

6. the device according to claim 5 for realizing syringe quick load and release, which is characterized in that described before loading Boss is close to first relief hole inboard, close to the outside of second relief hole.

7. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that the clamping flange Outer ring it is rounded.

8. the device according to claim 1 or claim 7 for realizing syringe quick load and release, which is characterized in that the centre Plate is provided centrally with circular through hole, and the diameter of the circular through hole is more than the outer diameter of the clamping flange, is less than the limit The long axis length of flange outer ring.

9. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that the injection head court Limited step hole is provided on the side of the injection tube, the other side is provided with the sliding slot communicated with the limited step hole, The outer retainer ring, intermediate plate, interior retainer ring are mounted in the sliding slot.

10. the device according to claim 1 for realizing syringe quick load and release, which is characterized in that further include having one Guide sleeve, the connection for the realization syringe quick load and the device and syringe of release.

11. the device according to claim 10 for realizing syringe quick load and release, which is characterized in that the guide sleeve one End connects the injection head, and the other end connects syringe；The guide sleeve is axially provided with a guide sleeve endoporus, the guide sleeve endoporus with The interior retainer ring connection, the tail portion of the syringe connecting pin is put in after the interior retainer ring in the guide sleeve endoporus.

12. the device according to claim 11 for realizing syringe quick load and release, which is characterized in that in the guide sleeve Clearance fit between hole and the lateral wall of syringe connecting pin tail portion.