CN209270334U - A kind of rubber plug and medicine dissolving device and sterile dispensing system with the rubber plug - Google Patents
A kind of rubber plug and medicine dissolving device and sterile dispensing system with the rubber plug Download PDFInfo
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- CN209270334U CN209270334U CN201820485976.6U CN201820485976U CN209270334U CN 209270334 U CN209270334 U CN 209270334U CN 201820485976 U CN201820485976 U CN 201820485976U CN 209270334 U CN209270334 U CN 209270334U
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- piston
- rubber plug
- protrusion
- dissolving device
- medicine dissolving
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Abstract
The utility model discloses a kind of rubber plug and medicine dissolving device and sterile dispensing system with the rubber plug, and the rubber plug includes piston and piston support, and the piston and piston support combine, and the diameter of the piston is greater than/is less than the diameter of piston support；The medicine dissolving device has the rubber plug, and its back end of syringe face is provided with circular protrusions, further include: the second protrusion, the back end of syringe face contact part of the circular protrusions Yu the medicine dissolving device is arranged in second protrusion, and second protrusion is close to the circular protrusions；The sterile dispensing system has the medicine dissolving device.In this way, when rubber plug is placed on inside medicine dissolving device, in piston and piston support, the side being only relatively large in diameter contacts with the inner wall of medicine dissolving device syringe, so that the contact area of rubber plug and syringe inner wall is small, the resistance that rubber plug is subject to when sliding is smaller, requirement to equipment is lower, to improve its popularization.
Description
Technical field
The utility model relates to sterile dispensing technical fields, and in particular to a kind of rubber plug and medicine dissolving device with the rubber plug and
Sterile dispensing system.
Background technique
Currently, relatively common sterile dispensing system is mainly the dispensing machine of pneumatic type, driven by pneumatic mode molten
The rubber plug of medicine device moves back and forth, and makes up a prescription, easy to operate, time saving and energy saving.
But existing rubber plug, resistance is larger, and when moving back and forth, the strength needed is bigger, this is allowed for
The draught head needed when driving rubber plug by pneumatic mode is also bigger, and bigger draught head means higher volume of dispensing machine
With higher air-tightness, this extensive use just to sterile dispensing system brings inconvenience.
In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, provides a kind of rubber plug first, including
Piston and piston support, the piston and piston support combine, and the diameter of the piston is greater than/is less than the straight of piston support
Diameter.
Preferably, the diameter of the piston support is greater than the diameter of the piston.
Preferably, the piston has jack, the piston support has plug, and the plug is inserted into the jack, will
The piston and piston support combine.
Preferably, the piston diameter is slightly smaller than the piston support diameter, the inner wall of the piston and the syringe has
Gap.
Preferably, size of the size of the piston slightly larger than piston support plug, for wrapping up the plug of piston support.
Preferably, the piston ridge is provided with piston protrusion, the section of the piston protrusion is triangle, rectangle, half
Round or a quarter is round.
Preferably, the jack is cylindrical hole, and there is inwardly projecting annular in the middle part of the inner wall of the cylindrical hole
Raised or outwardly projecting annular groove.
Preferably, the plug, top has a protruding portion, the section of the protruding portion be triangle, rectangle or four/
One is round.
Next provides a kind of medicine dissolving device with above-mentioned rubber plug, and the back end of syringe face of the medicine dissolving device is provided with round convex
It rises, further includes:
The back end of syringe surface contact part of the circular protrusions Yu the medicine dissolving device is arranged in second protrusion, second protrusion
Point, and second protrusion is close to the circular protrusions.
A kind of sterile dispensing system with the medicine dissolving device is finally provided, further include:
Host, to provide gas source power output；
Handle, front end and the medicine dissolving device cooperate, and the medicine dissolving device are fixed on handle, the handle rear end and institute
It states host to be connected to by pipeline, and the output of the gas source of the host is controlled.
Compared with the prior art the utility model has the beneficial effects that: providing a kind of rubber plug of lower resistance, in this way, by glue
When plug is placed on inside medicine dissolving device, in piston and piston support, the side being only relatively large in diameter contacts with the inner wall of medicine dissolving device syringe,
So that the contact area of rubber plug and syringe inner wall is small, the resistance that rubber plug is subject to when sliding is smaller；Second protrusion is given described
Circular protrusions reaction force greatly reduces active force by offsetting, so that slight deformation only occurs for the circular protrusions, to protect
The back end of syringe of the medicine dissolving device and the sealing state of handle are held, gas leakage is prevented.
Detailed description of the invention
It, below will be to institute in embodiment description in order to illustrate more clearly of the technical solution in various embodiments of the utility model
Attached drawing to be used is needed to be briefly described.
Fig. 1 is the structural schematic diagram one of the utility model rubber plug；
Fig. 2 is the structural schematic diagram two of the utility model rubber plug；
Fig. 3 is the structural schematic diagram three of the utility model rubber plug；
Fig. 4 is the structural schematic diagram four of the utility model rubber plug；
Fig. 5 is the structural schematic diagram five of the utility model rubber plug；
Fig. 6 is the structural schematic diagram six of the utility model rubber plug；
Fig. 7 is the structural schematic diagram seven of the utility model rubber plug；
Fig. 8 is the structural schematic diagram eight of the utility model rubber plug；
Fig. 9 is the diagrammatic cross-section one of the utility model piston；
Figure 10 is the diagrammatic cross-section two of the utility model piston；
Figure 11 is the diagrammatic cross-section three of the utility model piston；
Figure 12 is the structural schematic diagram one of the utility model piston support；
Figure 13 is the diagrammatic cross-section one of the utility model piston support；
Figure 14 is the diagrammatic cross-section two of the utility model piston support；
Figure 15 is the diagrammatic cross-section three of the utility model piston support；
Figure 16 is the diagrammatic cross-section four of the utility model piston support；
Figure 16 is the diagrammatic cross-section four of the utility model piston support；
Figure 17 is the structure chart of the existing medicine dissolving device of the utility model；
Figure 18 is the fragmentary cross-sectional view one of the utility model medicine dissolving device；
Figure 19 is the fragmentary cross-sectional view two of the utility model medicine dissolving device；
Figure 20 is the fragmentary cross-sectional view three of the utility model medicine dissolving device；
Figure 21 is the fragmentary cross-sectional view four of the utility model medicine dissolving device；
Figure 22 is the fragmentary cross-sectional view five of the utility model medicine dissolving device；
Figure 23 is the fragmentary cross-sectional view six of the utility model medicine dissolving device；
Figure 24 is the fragmentary cross-sectional view seven of the utility model medicine dissolving device；
Figure 25 is the fragmentary cross-sectional view eight of the utility model medicine dissolving device；
Figure 26 is the fragmentary cross-sectional view nine of the utility model medicine dissolving device；
Figure 27 is the fragmentary cross-sectional view ten of the utility model medicine dissolving device；
Figure 28 is the structure chart of the utility model sterile dispensing system.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.
The inner wall of syringe, cross-sectional shape be it is uncertain, can be adjusted according to the case where practical application.Having
In the use process of body, in order to easy to process, syringe is generally pylindrical, and the cross section of inner wall is generally circular in cross section.The application
In, for the ease of embodiment is described, in the case where not illustrated, it is equal to default related syringe inner wall
For circle.But this does not represent the application and discloses only syringe cross section of inboard wall as circular shape, but by taking circle as an example,
The explanation of progress；When syringe inner wall is other shapes, can also be expanded according to situation described in this application, for example,
" diameter " of wherein rubber plug etc. is expanded as " size " etc..
Embodiment 1
As shown in Figure 1 and Figure 2,
A kind of rubber plug comprising piston 1 and piston support 2, the piston 1 and piston support 2 combine；Wherein, the work
The diameter of plug 1 is greater than/is less than the diameter of piston support 2.
In this way, when rubber plug is placed on inside medicine dissolving device, in piston 1 and piston support 2, the side that is only relatively large in diameter with it is molten
The inner wall of medicine device syringe 3 contacts, so that the contact area of rubber plug and 3 inner wall of syringe is small, the resistance that rubber plug is subject to when sliding is smaller.
In this way, the resistance that rubber plug is subject to when moving is small, rubber plug is driven to move back and forth the active force needed by pneumatic mode
It is smaller, so that the pressure for generating the gas of the active force is smaller, and then set to generating active force or compression, transmitting gas
The requirement of standby gas tightness also reduces；In this manner it is possible to increase the service life of equipment, the cost of equipment is reduced, with
And increase the applicability of equipment.
Embodiment 2
Rubber plug as described above, the present embodiment are different from place and are, as shown in Fig. 2, the diameter of piston support 2
Greater than the diameter of the piston 1.
In this way, only piston support 2 is contacted with the inner wall of medicine dissolving device syringe 3 when rubber plug is placed on inside medicine dissolving device, so that
The contact area of rubber plug and 3 inner wall of syringe is small, and the resistance that rubber plug is subject to when sliding is smaller.
In this way, the resistance that rubber plug is subject to when moving is small, rubber plug is driven to move back and forth the active force needed by pneumatic mode
It is smaller, so that the pressure for generating the gas of the active force is smaller, and then set to generating active force or compression, transmitting gas
The requirement of standby gas tightness also reduces；In this manner it is possible to increase the service life of equipment, the cost of equipment is reduced, with
And increase the applicability of equipment.
The piston 1 has jack 11, and the piston support 2 has plug 21, and the plug 21 is inserted into the jack 11,
The piston 1 and piston support 2 are combined.In this way, the plug 21 of the piston support 2 is inserted into the jack of the piston 1
In 11, it that is to say in insertion piston 1, play a supporting role to piston 1；Wherein, piston 1 is soft material composition, and elasticity is good, easily
Deformation occurs；Piston support 2 is constituted for hard material, is not susceptible to deformation, is played a supportive role.
Wherein, the material of the piston support 2 is plastics, in this way, it is at low cost, it is easy to process.
Embodiment 3
Rubber plug as described above, the present embodiment is different from place and is, as shown in figure 3,1 diameter of the piston is slightly smaller
2 diameters are supportted in the piston, in this way, the piston supports 2 sides and the syringe 3 when rubber plug is assembled in medicine dissolving device syringe 3
Inner wall fitting, the piston 1 have gap with 3 inner wall of syringe.
In this way, piston support 2 is bonded with 3 inner wall of syringe when driving the medicine dissolving device by pneumatic mode, reach close
Seal effect；In this way, syringe 3 is divided into former and later two spaces by piston support 2, it is fitted in syringe 3 between two spaces by piston support 2
It is sealed on wall；When being driven, it is washed into gas in the space at 3 rear portion of syringe, so that the air pressure in the space rises, from
And piston support 2 is driven to move forward (piston 1 also while moving forward), by the air or liquid in the space of 3 front of syringe
It squeezes out；Or the gas in the space at 3 rear portion of syringe is extracted, so that the air pressure in the space declines, lower than 3 front of syringe
Air pressure in space, piston support 2 moves backward (piston 1 also while moving forward) under the action of draught head, by outside air
Or liquid is pumped into the space of 3 front of syringe.
Wherein, the piston 1 has gap with 3 inner wall of syringe, in this way, the posture of rubber plug can be controlled,
Preventing piston support 2 from deflecting under the influence of air pressure, (once piston support 2 slightly deflects, the side of piston 1 will be with needle
3 inner walls of cylinder abut against, so that the deflection can not formally occur, would not also generate gap, and sealing can still be kept to imitate
Fruit).(in the case where piston support 2 is circular situation, if piston support 2 is rotated around one of diameter, this creates the terminal
Deflection, so that occurring gap between piston support 2 and 3 inner wall of syringe, being unable to reach the effect of sealing.)
Embodiment 4
Rubber plug as described above, the present embodiment is different from place and is, as shown in figure 4, the size of the piston 1 is slightly
Greater than the size that the piston supports 2 plugs 21, for wrapping up the plug 21 of piston support 2.In this way, the size of piston 1 is much smaller than work
The size of plug support 2 is mainly used for wrapping up the plug 21 that piston supports 2, thus prevent the plug 21 of piston support 2 from contacting with medical fluid,
On the plug 21 of piston support 2, generally rough shape is easy the hiding bacterium having in large quantity of air, if without piston
1, then it is easy the germ contamination medical fluid so that hiding.
At this point, the piston support 2 is bonded with 3 inner wall of syringe, in other words, piston support 2 coincide with 3 inner wall of syringe,
It includes that size of piston support 2 and size of 3 inner wall of syringe are coincide that this, which coincide, cross-sectional shape and 3 inner wall of syringe of piston support 2
Cross-sectional shape coincide.Herein, the cross section of 3 inner wall of syringe is generally circular in cross section, certainly from practical application, it is also possible to be
Other shapes；The cross-sectional shape of piston support 2 described herein, the part that actually piston support 2 is bonded with 3 inner wall of syringe are
Shape also can be described as the outside of piston support 2, and if 3 inner wall of syringe is circle, the outside of piston support 2 is also round, such as needle
The cross-sectional shape of 3 inner walls of cylinder is other shapes, and the outside of piston support 2 is also identical shape.
Embodiment 5
Rubber plug as described above, the present embodiment is different from place and is, as shown in figure 5,1 edge of the piston is arranged
There is piston protrusion 12, raised 12 sections of the piston are triangle, in this way, passing through piston protrusion 12 for the diameter of the piston 1
Increase so that the outermost (outside of the protrusion) of the piston 1 be bonded with 3 inner wall of syringe/there is gap, to reach
To sealing/gesture stability purpose.
Wherein, the setting of the piston protrusion 12, when so that the outermost of the piston 1 being bonded with 3 inner wall of syringe,
Piston 1 and the contact area of 3 inner wall of syringe are smaller, so that mobile frictional resistance is smaller, reaches and further decrease friction
The effect of resistance.
Embodiment 6
Rubber plug as described above, the present embodiment is different from place and is, as shown in fig. 6,1 edge of the piston is arranged
There is piston protrusion 12, raised 12 sections of the piston are rectangle, in this way, increasing the diameter of the piston 1 by piston protrusion 12
Greatly, so that the outermost (outside of the protrusion) of the piston 1 be bonded with 3 inner wall of syringe/there is gap, to reach
Sealing/gesture stability purpose.
Wherein, the setting of the piston protrusion 12, when so that the outermost of the piston 1 being bonded with 3 inner wall of syringe,
Piston 1 and the contact area of 3 inner wall of syringe are smaller, so that mobile frictional resistance is smaller, reaches and further decrease friction
The effect of resistance.
Embodiment 7
Rubber plug as described above, the present embodiment is different from place and is, as shown in fig. 7,1 edge of the piston is arranged
There is piston protrusion 12, raised 12 sections of the piston are semicircle, in this way, passing through piston protrusion 12 for the diameter of the piston 1
Increase so that the outermost (outside of the piston protrusion 12) of the piston 1 be bonded with 3 inner wall of syringe/there is gap,
To achieve the purpose that sealing/gesture stability.
Wherein, the setting of the piston protrusion 12, when so that the outermost of the piston 1 being bonded with 3 inner wall of syringe,
Piston 1 and the contact area of 3 inner wall of syringe are smaller, so that mobile frictional resistance is smaller, reaches and further decrease friction
The effect of resistance.
Embodiment 8
Rubber plug as described above, the present embodiment is different from place and is, as shown in figure 8,1 edge of the piston is arranged
There is piston protrusion 12, raised 12 sections of the piston are that raised 12 sections of piston are a quarter circle, in this way, convex by piston
It plays 12 to increase the diameter of the piston 1, so that the outermost (outside of the piston protrusion 12) of the piston 1 and the needle
Cylinder 3 inner walls be bonded/there is gap, to achieve the purpose that sealing/gesture stability.
Wherein, the setting of the piston protrusion 12, when so that the outermost of the piston 1 being bonded with 3 inner wall of syringe,
Piston 1 and the contact area of 3 inner wall of syringe are smaller, so that mobile frictional resistance is smaller, reaches and further decrease friction
The effect of resistance.
Embodiment 10
Rubber plug as described above, the present embodiment is different from place and is, as shown in figure 9, the jack 11 is cylinder
Shape hole in this way, being inserted into convenient for the plug 21, and produces and processes conveniently.
Embodiment 11
Rubber plug as described above, the present embodiment are different from place and are, as shown in Figure 10, the jack 11 is cylinder
Shape hole, and there is inwardly projecting annular protrusion 13 in the middle part of the inner wall of the cylindrical hole, in this way, being inserted convenient for the plug 21
Enter, and the annular protrusion 13 can play fixed function, prevents plug 21 from skidding off from the jack 11.
Embodiment 12
Rubber plug as described above, the present embodiment are different from place and are, as shown in figure 11, the jack 11 is cylinder
The inner wall middle part in shape hole, the cylindrical hole has outwardly projecting annular groove 14, in this way, be inserted into convenient for the plug 21,
And the annular groove 14 can cooperate with the plug 21, play fixed function, prevent plug 21 sliding from the jack 11
Out.
Embodiment 13
Rubber plug as described above, the present embodiment are different from place and are, as shown in Figure 12 and Figure 13, the plug 21,
Top has protruding portion 22, so that the plug 21 is not easy to skid off after being inserted into the jack 11, reaches and preferably combines effect
Fruit.
In this way, the protruding portion 22 of the plug 21 can be with the cylinder if the jack 11 is cylindrical hole
The inner wall in hole squeezes so that the inner wall slight deformation, thus achieve the purpose that in conjunction with it is fixed (this be fixed on apply it is certain outer
It can be re-moved after power)；If jack 11 is cylindrical hole, there is inwardly projecting ring in the middle part of the inner wall of the cylindrical hole
Shape protrusion 13, the then annular that the protruding portion 22 of the plug 21 can under the effect of external force on the inner wall by making cylindrical hole
Protrusion 13 deforms, to be inserted into jack 11, later, on condition that an external force is not applied, the protruding portion 22 of plug 21 is annular
Protrusion 13 is limited in the inside of cylindrical hole, achievees the purpose that in conjunction with fixed；If jack 11 is cylindrical hole, the cylinder
There is outwardly projecting annular groove 14, then the protruding portion 22 of the plug 21 can be under the effect of external force in the middle part of the inner wall in hole
So that the inner wall slight deformation, and then be inserted into jack 11, and be finally stuck in the annular groove 14, reach in conjunction with fixation
Purpose, and after protruding portion 22 is caught in annular groove 14, inner wall no longer deforms, and reaches better using effect.
The plug 21 is cross, in this way, being not easy to rotate after making plug 21 be inserted into jack 11；So that plug 21
And the combination of jack 11 is more firm.
For better effect, the plug 21 or circle, triangle, etc. other shapes, as long as it can make
It obtains after plug 21 is inserted into jack 11 and is not easy rotation；In order to mitigate weight, achieve the effect that lower resistance, it can also be by plug 21
Part hollow out.
Embodiment 14
Rubber plug as described above, the present embodiment are different from place and are, as shown in figure 13,21 top of plug
The section of protruding portion 22 is triangle, in this way, the tip of the triangle can achieve the effect that extruding with the inner wall of jack 11,
So that the plug 21 is not easy to skid off after being inserted into the jack 11.
Embodiment 15
Rubber plug as described above, the present embodiment are different from place and are, as shown in figure 14,21 top of plug
The section of protruding portion 22 is that a quarter is round, in this way, the outside of a quarter circle can be reached with the inner wall of jack 11
To the effect of extruding, so that the plug 21 is not easy to skid off after being inserted into the jack 11.
Embodiment 16
Rubber plug as described above, the present embodiment are different from place and are, as shown in figure 15,21 top of plug
The section of protruding portion 22 is rectangle, in this way, the outside of the rectangle can achieve the effect that extruding with the inner wall of jack 11, thus
So that the plug 21 is not easy to skid off after being inserted into the jack 11；In addition, having outwardly projecting annular groove in the middle part of inner wall
In the case where 14, the protruding portion 22 of the rectangle can be caught in the annular slot just, be fixed.
Embodiment 17
Rubber plug as described above, the present embodiment are different from place and are, as shown in figure 16,21 top of plug
The section of protruding portion 22 is rectangle, triangle, a quarter circle or other shapes, or at least one above-mentioned shape
Combination, as long as it can play certain fixed effect.
Embodiment 18
Rubber plug as described above, the present embodiment are the medicine dissolving device with the rubber plug, wherein as shown in figure 17, are
The structure chart of the existing medicine dissolving device of the application；Wherein, the rear end face of the medicine dissolving device syringe 3 has circular protrusions 4；In this way, institute
When stating the syringe 3 of medicine dissolving device and being connected to handle 7, the circular protrusions 4 and 7 front end face contact of handle are simultaneously close to, so that the circle
Shape protrusion 4, at sealing structure, is sealed the inner space of circular protrusions 4, prevents between syringe 3 and handle 7 with handle 7
Contact position gas leakage.But in practical applications, due to being in the circular protrusions 4 by the combination of medicine dissolving device and handle 7
It is screwed with after the corresponding interfacial contact of handle 7, it has been found that often will appear the circular protrusions 4 after screwing and shape occurs
Become, be not held round, the contact position allowed between the syringe 3 and the handle 7 in this way generates gap, and gas leakage occurs
Situation.
On this basis, in order to solve the technical problem, we illustrate following solution, as shown in figure 18, are
The structure chart of the medicine dissolving device；Wherein, 3 rear end face of syringe of the medicine dissolving device is provided with circular protrusions 4, and the medicine dissolving device packet
It includes:
Second protrusion 5, the circular protrusions 4 are arranged in second protrusion 5 and 3 rear end face of syringe of the medicine dissolving device connects
Contact portion point, and second protrusion 5 is close to the circular protrusions 4.
In this way, the circular protrusions 4 are close to second protrusion 5, in this way, shape will occur in the circular protrusions 4
When change, it can give the circular protrusions 4 corresponding reaction force with second protrusion 5 that the circular protrusions 4 are close to,
So that the behavior that deformation occurs of circular protrusions 4 is cancelled, to keep original shape；If making the circular protrusions
4 the active forces that deformation occurs are excessive, and the reaction force that second protrusion 5 gives the circular protrusions 4 can not all offset this
Active force can also greatly reduce the active force by offsetting, so that slight deformation only occurs for the circular protrusions 4, to protect
The sealing state for holding syringe 3 rear end and handle 7 of the medicine dissolving device, prevents gas leakage.
Embodiment 19
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 19, second protrusion 5
It is combined as a whole with the circular protrusions 4, in this way, second protrusion 5 and the circular protrusions 4 are by being molded etc. in conjunction with modes
It is integrated, so that second protrusion 5 is bigger with the bond strength of the circular protrusions 4, meets with identical external force
In the case of, the circular protrusions 4 are more stable, are less susceptible to deformation.
Preferably, second protrusion 5 is integrated with the circular protrusions 4 injection molding, and it is easily manufactured in this way, in conjunction with simple steady
Gu.
Embodiment 20
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 18, second protrusion 5
The outside of the circular protrusions 4 is set, in this way, deforming in the circular protrusions 4, when bulging, second protrusion 5 can
To generate reaction force, its bulging is prevented；If second protrusion 5 is combined as a whole with the circular protrusions 4, stability
It is higher.
Wherein, the outside of the circular protrusions 4 refers to the side in the center of circle far from the circular protrusions 4.
Embodiment 21
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 18, second protrusion 5
Cross-sectional shape are as follows: the side close to the circular protrusions 4 is corresponding with the shape of the circular protrusions 4, the separate circle
The side of protrusion 4 is the arc-shaped of outwardly convex；In this way, stability is high, and easy to process, and arc-shaped it will not generate burr
Deng user will not be hurt.
Embodiment 22
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 20, second protrusion 5
Cross-sectional shape are as follows: the side close to the circular protrusions 4 is corresponding with the shape of the circular protrusions 4, the separate circle
The side of protrusion 4 is the arc-shaped of indent；In this way, stability is high, and saves material, convenient for injection molding and process, and indent
It is arc-shaped to generate burr etc., user will not be hurt.
Embodiment 23
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 21, second protrusion 5
Cross-sectional shape are as follows: the side close to the circular protrusions 4 is corresponding with the shape of the circular protrusions 4, the separate circle
The side of protrusion 4 is scarf；In this way, stability is high, and saves material, convenient for injection molding and processing, and scarf will not be produced
Setation thorn etc., will not hurt user.
In fact, side of the cross section of second protrusion 5 far from the circular protrusions 4 may be other shapes,
Such as rectangle, triangle, trapezoidal, as long as it can achieve the high effect of stability；It can also be high in stability
On the basis of, realize the features such as impulse- free robustness, in order to avoid hurt user.
Embodiment 24
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 22, the circular protrusions 4
Inside have ring-shaped depression 41, and the opening direction of the ring-shaped depression 41 towards it is described protrusion inside；In this way, convex in the circle
When playing the 4 front end face extruding with handle 7, due to the presence of ring-shaped depression 41, the circular protrusions 4 can be made to be compressed
(being moved in the direction of the arrow by compression section), generate so that the deformation closed up of ring-shaped depression 41 (deformation is entire circular protrusions 4
Whole deformation, the case where gas leakage will not be generated) so that the circular protrusions 4 and the contact area of handle 7 increase；And
And it can be because the interaction with deformation be squeezed, so that it is difficult that other deformation (such as circular protrusions 4 occur again after deformation generation
As the rotation twist etc. of medicine dissolving device is easy to produce gap, so that poorly sealed close deformation), so that its stability is improved,
Prevent the case where other deformation lead to gas leakage.
Wherein, the inside of the circular protrusions 4 refers to the side close to the center of circle of the circular protrusions 4.
Wherein, the cross section of the ring-shaped depression 41 is arc, is had the characteristics that so easy to process；In addition, the arc
Recess can also be the recess of other shapes, such as triangular shaped recess, rectangular depression, trapezoidal recess, as long as it can be played
Circular protrusions 4 generate the deformation closed up after being extruded.
Embodiment 25
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 23, second protrusion 5
The inside of the circular protrusions 4 is set, in this way, deforming in the circular protrusions 4, a part bulged, another part to
When inside is recessed, second protrusion 5 can produce reaction force, prevent its recess；If second protrusion 5 and the circle
Shape protrusion 4 is combined as a whole, then not only in the circular protrusions 4, depressed section generates bigger reaction force inwardly, and
The part that the circular protrusions 4 bulge can also generate reaction force, and stability is higher.
Wherein, the inside of the circular protrusions 4 refers to the side close to the center of circle of the circular protrusions 4.
Wherein, second protrusion 5 is also used as stopping end, prevents the rubber plug from skidding off out of described syringe 3.
Embodiment 26
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 23, second protrusion 5
Cross-sectional shape are as follows: the side close to the circular protrusions 4 is corresponding with the shape of the circular protrusions 4, the separate circle
The side of protrusion 4 is the arc-shaped of outwardly convex；In this way, stability is high, and easy to process, and arc-shaped it will not generate burr
Deng user will not be hurt.In addition, the second protrusion 5 described in this way is also used as stopping end, prevent the rubber plug from the needle
It is skidded off in cylinder 3.
Embodiment 27
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 24, second protrusion 5
Cross-sectional shape are as follows: the side close to the circular protrusions 4 is corresponding with the shape of the circular protrusions 4, the separate circle
The side of protrusion 4 is the rectangle of outwardly convex；In this way, stability is high, and easy to process.In addition, the second protrusion 5 described in this way is made
To stop end, blocking effect is more preferable.
In fact, side of the cross section of second protrusion 5 far from the circular protrusions 4 may be other shapes,
Such as quadrant arc, triangle, trapezoidal, as long as it can achieve the high effect of stability；It can also be
On the basis of stability is high, the features such as impulse- free robustness are realized, in order to avoid hurt user；It can also be real on the basis of stability height
Existing blocking effect superior technique scheme, such as quadrant arc.
Embodiment 28
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 25, the circular protrusions 4
Outside has a ring-shaped depression 41, and the opening direction of the ring-shaped depression 41 is towards 4 outside of the circular protrusions；In this way, described
When the front end face of circular protrusions 4 and handle 7 squeezes, due to the presence of ring-shaped depression 41, the circular protrusions 4 can be made
Compressed and (be squeezed laminate section and move in the direction of the arrow), generate so that the deformation closed up of ring-shaped depression 41 (deformation is entire circle
The whole deformation of shape protrusion 4, the case where gas leakage will not be generated) so that the contact area of the circular protrusions 4 and handle 7
Increase；And the deformation can be because squeeze the interaction with deformation, so that it is difficult to occur again other deformation (such as circle after generating
Shape protrusion 4 is easy to produce gap with the rotation twist etc. of medicine dissolving device, so that poorly sealed close deformation), to improve it
Stability prevents the case where other deformation lead to gas leakage.
Wherein, the outside of the circular protrusions 4 refers to the side in the center of circle far from the circular protrusions 4.
Wherein, the cross section of the ring-shaped depression 41 is arc, is had the characteristics that so easy to process；In addition, the arc
Recess can also be the recess of other shapes, such as triangular shaped recess, rectangular depression, trapezoidal recess, as long as it can be played
Circular protrusions 4 generate the deformation closed up after being extruded.
Embodiment 29
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 18, second protrusion 5
Thickness be less than the circular protrusions 4, in this way, it is described second protrusion 5 as have booster action annular ring, to the circle
Protrusion 4 is reinforced, and prevents it from generating deformation.
Wherein, the thickness refers to most long distance of the outer surface of the circular protrusions 4 apart from the medicine dissolving device rear end face
From；In other words, in the attached drawing of 4 cross section of circular protrusions, the thickness refer in addition to inside, two, outside side with
The distance between other outer two sides；For the medicine dissolving device in this application, thickness is the H of mark in figure.
Embodiment 30
Medicine dissolving device as described above, the present embodiment are different from place and are, as shown in figure 26, second protrusion 5
Thickness it is identical as the circular protrusions 4, in this way, second protrusion 5 acts not only as the annular ring with booster action,
The circular protrusions 4 are reinforced, prevent it from generating deformation；Forward ends thereof that can also equally with the handle 7, is played close
Envelope effect.
Embodiment 31
Medicine dissolving device as described above, the present embodiment are different from place and are that as shown in figure 27, the medicine dissolving device is also set
It is equipped with third protrusion 6, the 3 rear end surface contact part of syringe of the circular protrusions 4 and the medicine dissolving device is arranged in the third protrusion 6
Point, and be close to the circular protrusions 4.In this way, the third protrusion 6 can offset the deformation that the circular protrusions 4 generate, make
It keeps original shape, reaches sealing effect.
Wherein, the third protrusion 6 is separately positioned on the inner side and outer side of the circular protrusions 4 with second protrusion 5,
When being arranged in such as embodiment 20-23 of the second protrusion 5, the third protrusion 6 copies the second protrusion in embodiment 25-27
5 carry out similar setting；When being arranged in such as embodiment 25-27 of the second protrusion 5, the third protrusion 6 copies embodiment 20-
The second protrusion 5 in 23 carries out similar setting.
In this way, third protrusion 6 is arranged on the basis of the second protrusion 5, sealing effect can be further increased.
Wherein, the thickness of the third protrusion 6 can also copy the thickness of the second protrusion 5 in embodiment 29 or 30 to be set
It sets, to further strengthen the technical effect that the second protrusion 5 can achieve.
Embodiment 32
As shown in figure 28, the present embodiment is a kind of sterile dispensing system comprising:
Medicine dissolving device described above,
Host 8, to provide gas source power output；
Handle 7 described above, its rear end are connected to and (are not drawn into figure) by pipeline with the host 8, and to the master
The gas source output of machine 8 is controlled.
In this way, opening host 8 (gas source output device) before installation, host 8 exports small flow velocity to handle 7 by pipeline
Air-flow, the air-flow blow out from 7 front end of handle, purify to 7 front end of handle, be replaced into gnotobasis；Medicine dissolving device is installed
When, medicine dissolving device rear end close to handle 7 and is entered into gnotobasis, so that air-flow is brushed at medicine dissolving device rear end and one section of pause
Between, medicine dissolving device rear end is replaced into sterile；Then medicine dissolving device is mounted on handle 7, triggers the mark part on handle 7, makes
It obtains mark part signal to change, variation control host 8 stops the conveying of little airflow；When making up a prescription, by the advance on fixed handle 7
Key, control host 8 export big air-flow outward, the rubber plug in medicine dissolving device are pushed forward, by the medical liquid squeezing in medicine dissolving device；By fixed handle
7 back leg key, control host 8 extract big air-flow outward, the rubber plug in medicine dissolving device are moved back, and the medical fluid in medicine bottle is sucked molten medicine
In device；After making up a prescription, medicine dissolving device is removed from handle 7, the mark part signal on handle 7 changes, control host 8 to
Outer output little airflow, 7 front end of handle are replaced into gnotobasis, directly install new medicine dissolving device, carry out a new round and make up a prescription.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and
It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims
Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.
Claims (10)
1. a kind of rubber plug, including piston and piston support, the piston and piston support combine, which is characterized in that the piston
Diameter be greater than/be less than the piston support diameter.
2. rubber plug as described in claim 1, which is characterized in that the diameter of the piston support is greater than the diameter of the piston.
3. rubber plug as claimed in claim 2, which is characterized in that the piston has jack, and the piston support has plug, institute
It states plug to be inserted into the jack, the piston and piston support is combined.
4. rubber plug as claimed in claim 3, which is characterized in that the piston diameter is slightly smaller than the piston support diameter, described
The inner wall of piston and syringe has gap.
5. rubber plug as claimed in claim 3, which is characterized in that ruler of the size of the piston slightly larger than piston support plug
It is very little, for wrapping up the plug of piston support.
6. rubber plug as claimed in claim 3, which is characterized in that the piston ridge is provided with piston protrusion, and the piston is convex
The section risen is that triangle, rectangle, semicircle or a quarter are round.
7. rubber plug as claimed in claim 3, which is characterized in that the jack is cylindrical hole, and the cylindrical hole is interior
There is inwardly projecting annular protrusion or outwardly projecting annular groove in the middle part of wall.
8. rubber plug as claimed in claim 3, which is characterized in that the plug, top have protruding portion, and the protruding portion is cut
Face is that triangle, rectangle or a quarter are round.
9. a kind of medicine dissolving device with rubber plug described in any claim in claim 1-8, which is characterized in that the medicine dissolving device
Back end of syringe face be provided with circular protrusions, further includes:
The back end of syringe face contact part of the circular protrusions Yu the medicine dissolving device is arranged in second protrusion, second protrusion,
And second protrusion is close to the circular protrusions.
10. a kind of sterile dispensing system with medicine dissolving device described in claim 9, which is characterized in that further include:
Host, to provide gas source power output；
Handle, front end and the medicine dissolving device cooperate, and the medicine dissolving device is fixed on handle, the handle rear end and the master
Machine is connected to by pipeline, and is controlled the output of the gas source of the host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485976.6U CN209270334U (en) | 2018-04-08 | 2018-04-08 | A kind of rubber plug and medicine dissolving device and sterile dispensing system with the rubber plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485976.6U CN209270334U (en) | 2018-04-08 | 2018-04-08 | A kind of rubber plug and medicine dissolving device and sterile dispensing system with the rubber plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209270334U true CN209270334U (en) | 2019-08-20 |
Family
ID=67597239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820485976.6U Active CN209270334U (en) | 2018-04-08 | 2018-04-08 | A kind of rubber plug and medicine dissolving device and sterile dispensing system with the rubber plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209270334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991232A (en) * | 2020-08-31 | 2020-11-27 | 石家庄博普信息科技有限公司 | Medicine dissolving device special for medicine dispensing machine |
-
2018
- 2018-04-08 CN CN201820485976.6U patent/CN209270334U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991232A (en) * | 2020-08-31 | 2020-11-27 | 石家庄博普信息科技有限公司 | Medicine dissolving device special for medicine dispensing machine |
| CN111991232B (en) * | 2020-08-31 | 2023-11-14 | 石家庄博普信息科技有限公司 | Medicine dissolving device special for medicine dispensing machine |
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