CN109364336A - A kind of adjustable needleless introducing apparatus component of dosage - Google Patents
A kind of adjustable needleless introducing apparatus component of dosage Download PDFInfo
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- CN109364336A CN109364336A CN201811473826.4A CN201811473826A CN109364336A CN 109364336 A CN109364336 A CN 109364336A CN 201811473826 A CN201811473826 A CN 201811473826A CN 109364336 A CN109364336 A CN 109364336A
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- pressure
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- shell
- stroke
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M2005/3125—Details specific display means, e.g. to indicate dose setting
- A61M2005/3126—Specific display means related to dosing
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of adjustable needleless introducing apparatus components of dosage, including, introducing apparatus, pressure applicator, ampoule, introducing apparatus, including, stroke shell imports shell, imports intracavitary in the stroke of shell loading stroke shell；Stroke inner cavity is fixed with stroke limit cylinder far from shell one end is imported, importing interior of shell is installation cavity, guide cylinder is fixed in installation cavity, pressure pilot hole, switching guide slot are provided on guide cylinder, pressure pilot hole and pressure axis assembly, pressure axis one end, which is packed into, to be provided in the pressure pilot hole of switching guide slot, first pressure spring mounting post and pressure spring one end assembly are fixed, the pressure spring other end and the second pressure spring mounting post assembly are fixed, and the second pressure spring mounting post is fixed on the end face of the close pressure spring of pressing ring；Switchboard is installed, and switching guide slot is provided with pressure limiting slot close to pressure axis one end side in switching guide slot；The spacing head that presses and pressure limiting slot assembly；Locking bar is packed into back stop slot.
Description
Technical field
The present invention relates to needleless introducing apparatus, more particularly to a kind of adjustable needleless introducing apparatus component of dosage.
Background technique
Needleless introducing apparatus also becomes needleless injector, and drug is imported epidermis by pore by momentary pulse pressure
Interior, so that skin absorbs the drug, and whole process does not need needle thorn, therefore can reduce the pain of sufferer, Er Qieyou
It is punctured in no syringe needle, cross-infection probability is greatly reduced.Needleless introducing apparatus has been widely used for human injection, moves at present
Object injection.
Current needleless introducing apparatus is generally unable to accurately control dosage, mainly by passing through after sucking medicament in ampoule
The reduction amount of ampoule medicament infers the pharmaceutical quantities imported, and this mode is being more convenient to pharmaceutical quantities occasion of less demanding
, but under the occasion required with importing pharmaceutical quantities, it is clear that it does not use.Because the amount of medicament reduction in ampoule is possible or inclined
It is few, to find out its cause, mainly inadequate to the control of drug-push lever stroke.
Therefore applicant proposes a kind of adjustable needleless introducing apparatus component of dosage, can be by controlling drug-push lever stroke
The dosage imported is controlled, to avoid excessive importing or import volume inadequate.
Summary of the invention
In view of the above drawbacks of the prior art, it is adjustable that technical problem to be solved by the invention is to provide a kind of dosage
Needleless introducing apparatus component.
To achieve the above object, the present invention provides a kind of adjustable needleless introducing apparatus components of dosage, including, it imports
Instrument, pressure applicator, ampoule, the introducing apparatus, including, stroke shell imports shell, imports the stroke that shell is packed into stroke shell
It is interior intracavitary, and import outer shell outer wall and stroke outer casing inner wall and assembled by threaded engagement；
The stroke inner cavity is fixed with stroke limit cylinder far from shell one end is imported, and the importing interior of shell is installation
Chamber, guide cylinder is fixed in installation cavity, and guide cylinder is provided with pressure pilot hole, far from stroke shell on stroke shell one end
Switching guide slot, the second through slot, back stop slot, the pressure pilot hole and pressure axis assembly are provided on part, press axis one
End is packed into the pressure pilot hole for being provided with switching guide slot and is fixed with the first pressure spring mounting post, institute on the end face at this end
The the first pressure spring mounting post and pressure spring one end assembly stated are fixed, and press the spring other end and the second pressure spring installation
Column assembly is fixed, and the second pressure spring mounting post is fixed on pressing ring on the end face of pressure spring；
Switchboard is installed, and switching guide slot is provided with pressure limit close to pressure axis one end side in the switching guide slot
Position slot, described switchboard one end are provided with releasing inclined-plane, and the other end is fixed after passing through switching guide slot with switch ring assembly；It applies
Press spacing head and pressure limiting slot assembly；
It is additionally provided with pressure locking hole, pressure fixation hole on the pressing ring, pressure is installed in the pressure locking hole
Fixed block, pressure screw are solid with pressure fixed block assembly after pressure fixation hole；
The pressure fixed block side and the assembly of locking spring one end are fixed, and the locking spring other end and locking bar are packed into pressure lock
One end in tieholen, which is assembled, to be fixed, and the locking bar other end is packed into back stop slot.
Preferably, stroke limit cylinder inner hollow, and stroke limit cylinder is fixed with ampoule far from shell one end inside is imported
Mounting cylinder, ampoule mounting cylinder inner wall, which passes through screw thread and screws drum outer wall, screws assembly.
Preferably, the pressure axis is provided with press fit hole close to stroke limit cylinder one end.
Preferably, cooperation pressure holes are provided on end face of the pressing ring far from pressure spring.
Preferably, the pressure limiting slot, including, with the vertical pressure confined planes of pressure axis axis line and with pressure axis
The inclined pressure introduction bevel of axis；
Pressure spacing head side is adjacent to pressure confined planes, and the spacing head that presses is packed into pressure mounting hole, the pressure peace
Hole setting is filled on pressure axis；
The first limit installation column is provided on one end that the pressure spacing head is packed into pressure mounting hole, first is mounted
Column and the assembly of limit spring one end are fixed, and the limit spring other end and the second limit installation column assembly are fixed, and second is mounted
Column is fixed on limit link block, and stop screw is packaged with limit connection after the limit fixing threaded hole being arranged on pressure axis
With fixation.
Preferably, the back stop slot includes retaining locking surface, retaining approaching face, the retaining locking surface and locking bar axis
Line is parallel, and the retaining approaching face tilts from outside to inside, to pressure axis.
Preferably, ampoule, including, medicine-storing tube is drug storage inner cylinder inside the medicine-storing tube, and drug storage inner cylinder one end and work
Plug sealing assembly, piston and the assembly of drug-push lever one end are fixed；
The medicine-storing tube both ends are respectively arranged with the first positive stop end, the second positive stop end, and the second positive stop end is far from medicine-storing tube one end
On be fixed with and screw cylinder, screw on the inside of cylinder and ampoule mounting cylinder through threaded engagement assembly fixation；
The drug-push lever other end passes through the second positive stop end, screws and is packed into after cylinder 470 in press fit hole and and press fit
Hole end surface is adjacent to；
Importing protrusion is fixed on the outside of first positive stop end, importing lobed interior is hollow and by being arranged in the first positive stop end
On intercommunicating pore be connected to drug storage inner cylinder.
Preferably, be set with switch spring outside the switchboard between the locking bar and switch ring, switch spring for pair
It switchs ring and generates the elastic force far from pressing ring.
Preferably, the importing shell is provided with pressure rings on switch ring one end；The pressure applicator, including,
Press pedestal, pressure connecting plate, the first pressure plate, the second pressure plate, be provided on the pressure pedestal placing groove, pressure every
Plate, pedestal articulated slab；
The one end of the connection board that presses is packed between two pieces of pedestal articulated slabs, and it is hinged that first rotating shaft passes through pressure connecting plate, two pieces of pedestals
Both ends are fixed with two pieces of pedestal articulated slab assembly respectively after plate；
It is hinged that the first described pressure plate one end is provided with two piece of first pressure articulated slab, the other end is provided with two piece of second pressure
Plate, the pressure connecting plate other end are packed between two piece of first pressure articulated slab, and the second shaft passes through two piece of first pressure
Articulated slab, pressure connecting plate and both ends are fixed with two piece of first pressure articulated slab assembly respectively；
Pressure pivot block is also equipped between two piece of first pressure articulated slab, both ends are distinguished after third shaft passes through pressure pivot block
It is assembled with two piece of first pressure articulated slab；The pressure pivot block and the assembly of pressure push rod one end is fixed, and pressure push rod is another
End is open end.
Preferably, third pressure articulated slab is provided in second pressure plate, third pressure articulated slab is packed into two pieces
Between second pressure articulated slab, third shaft passes through third pressure articulated slab, both ends and assembles respectively with the second pressure articulated slab.
It preferably, further include extending pedestal, pressure pedestal is provided with placing groove one end and is packed into the extension slot for extending pedestal
It is interior, and extension slot is located remote from slot one end and is fixed with limit pressure plate；
It is fixed on the outside of the pressure partition with positioning fixed plate assembly, the positioning fixed plate and positioning screw one end are assembled
Fixed, the second of the positioning screw other end the second drawstring knob of loading screws assembles in set and therewith by threaded engagement；
Described second screws set and the assembly of drawstring one end is fixed, and the drawstring other end and thru-bolt assembly are fixed, and are wrapped in
On thru-bolt, thru-bolt one end is fixed on extension base side, and the other end and first screw set inside and pass through threaded engagement
Assembly, first screws set end face compresses with the drawstring being wrapped on thru-bolt；Described first, which screws, is set on the first drawing
It restricts on knob.
Preferably, drawstring is soft nylon rope.
The beneficial effects of the present invention are: the present invention adjusts drug-push lever by adjusting stroke shell and importing the assembly of shell
Stroke, thus achieve the purpose that control medicament import volume, structure is simple, and enables to operator's disposably enough importings
Medicament is greatly improved efficiency, and will not overdose.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of introducing apparatus.
Fig. 2 is enlarged drawing at F1 in Fig. 1.
Fig. 3 is enlarged drawing at F2 in Fig. 1.
Fig. 4 is the cross-sectional view at pressure axis.
Fig. 5 is the part explosive view of pressure applicator.
Fig. 6 is the part explosive view of pressure applicator.
Fig. 7 is the structural schematic diagram of pressure applicator.
Fig. 8 is the structural schematic diagram of pressure applicator.
Fig. 9 is the structural schematic diagram of pressure applicator.
Figure 10 is the structural schematic diagram of pressure applicator.
Figure 11 is the improvement structural schematic diagram of pressure applicator.
Figure 12 is the improvement structural schematic diagram of pressure applicator.
Figure 13 is the first drawstring knob of pressure applicator, the second drawstring knob, structure of tow line schematic diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to figures 1-4, the adjustable needleless introducing apparatus component of a kind of dosage, including, introducing apparatus, pressure applicator, ampoule are described
Introducing apparatus, including, stroke shell 110 imports shell 210, imports the stroke inner cavity 111 that shell 210 is packed into stroke shell 110
It is interior, and import 210 outer wall of shell and 110 inner wall of stroke shell and assembled by threaded engagement；
The stroke inner cavity 111 is fixed with stroke limit cylinder 120 far from importing 210 one end of shell, inside stroke limit cylinder 120
It is hollow, and stroke limit cylinder 120 is fixed with ampoule mounting cylinder 130, ampoule mounting cylinder 130 far from 210 one end of shell inside is imported
Inner wall, which passes through screw thread and screws drum outer wall, screws assembly；
It is installation cavity 211 inside the importing shell 210, is fixed with guide cylinder 220 in installation cavity 211, guide cylinder 220 is close
Pressure pilot hole 222 is provided on 110 one end of stroke shell, far from being provided with switching guide slot on 110 part of stroke shell
224, the second through slot 221, back stop slot 226, the pressure pilot hole 222 and pressure axis 510 assemble, and pressure axis 510 can press
222 axis of power pilot hole moves up, and the pressure axis 510 is provided with press fit hole close to 120 one end of stroke limit cylinder
511, pressure 510 one end of axis is packed into the pressure pilot hole 222 for being provided with switching guide slot 224 and is fixed on the end face at this end
First pressure spring mounting post 520, the first pressure spring mounting post 520 and the assembly of pressure 530 one end of spring are fixed, are applied
530 other end of pressing spring and the second pressure assembly of spring mounting post 550 are fixed, and the second pressure spring mounting post 550, which is fixed on, to be applied
Pressure ring 540 is on the end face of pressure spring 530；
The pressing ring 540 is provided with cooperation pressure holes 543, the switching guide on the end face far from pressure spring 530
Switchboard 720 is installed, and switching guide slot 224 is provided with pressure limiting slot close to pressure 510 one end side of axis in slot 224
225, described 720 one end of switchboard be provided with release inclined-plane 721, the other end pass through switching guide slot 224 after with switch ring 710
Assembly is fixed；
The pressure limiting slot 225, including, with the vertical pressure confined planes 2251 of pressure 510 axis line of axis and with pressure axis
The inclined pressure introduction bevel 2252 of 510 axis, and the pressure limiting slot 225 and pressure spacing head 810 are assembled, pressure limit
810 side of potential head is adjacent to pressure confined planes 2251, and the spacing head 810 that presses is packed into pressure mounting hole 513, the pressure
The setting of mounting hole 513 is on pressure axis 510；
It is provided with the first limit installation column 811 on one end that the pressure spacing head 810 is packed into pressure mounting hole 513, the
One is mounted column 811 and the assembly fixation of 820 one end of limit spring, and column 831 is mounted in 820 other end of limit spring and second
Assembly is fixed, and the second limit installation column 831 is fixed on limit link block 830, and stop screw 320 passes through setting in pressure axis
It is fixed after limit fixing threaded hole 512 on 510 with the limit assembly of link block 830, so that limit link block 830 is fixed on pressure
In mounting hole 513.
In use, pressure spacing head 810 can not be passed through and be applied since pressure spacing head 810 and pressure confined planes 2251 are adjacent to
Confined planes 2251 are pressed, but the spacing head 810 that presses can pass through pressure introduction bevel 2252, this allows for pressure spacing head 810
Pressure axis 510 is fixed in the axial direction, prevent pressure axis 810 is from mobile in the axial direction to ampoule；
When release inclined-plane 721 it is mobile to ampoule when, spacing head 810 will be pressed to pressure 513 internal pressure of mounting hole by releasing inclined-plane 721
It is dynamic, so that pressure spacing head 810 limits the axial of pressure axis to release completely into pressure mounting hole 513, this
When pressure axis pressure spring elastic force under to drug-push lever press axial compressive force.
Pressure locking hole 541, pressure fixation hole 542, the pressure locking hole are additionally provided on the pressing ring 540
Pressure fixed block 860 is installed, pressure screw 330 is solid with the pressure assembly of fixed block 860 after pressure fixation hole 542 in 541
It is fixed, so that pressure fixed block 860 is fixed in pressure locking hole 541；
860 side of pressure fixed block and the assembly of 850 one end of locking spring are fixed, 850 other end of locking spring and locking bar
840 one end being packed into pressure locking hole 541, which are assembled, to be fixed, and 840 other end of locking bar is packed into back stop slot 226；
The back stop slot 226 includes retaining locking surface 2262, retaining approaching face 2261, the retaining locking surface 2262 and lock
840 axis of bar is parallel, and the retaining approaching face 2261 tilts from outside to inside, to pressure axis 510.So that pressing ring 540
When mobile to pressure axis 510, retaining approaching face 2261 presses locking bar 840 into pressure locking hole 541, so that pressing ring
540 move in the axial direction to compress pressure spring, but pressing ring 540 cannot move backward, because there is retaining locking surface 2262
It is adjacent to 840 side of locking bar, the retraction so that locking bar 840 can not be pressurized, this design can store pressure spring force.
It further include ampoule, ampoule includes medicine-storing tube 410, is drug storage inner cylinder 411 inside the medicine-storing tube 410, and drug storage
411 one end of inner cylinder and the sealing of piston 440 are assembled, and piston 440 and the assembly of 450 one end of drug-push lever are fixed；
410 both ends of medicine-storing tube are respectively arranged with the first positive stop end 420, the second positive stop end 460, and the second positive stop end 460 is remote
Cylinder 470 is screwed from being fixed on 410 one end of medicine-storing tube, screws and is assembled on the inside of cylinder 470 and ampoule mounting cylinder 130 by threaded engagement
Fixed, the second positive stop end 460, which is used to limit, at this time screws the maximum distance that cylinder 470 is packed into ampoule mounting cylinder 130；
450 other end of drug-push lever passes through the second positive stop end 460, screw be packed into after cylinder 470 in press fit hole 511 and with
511 end face of press fit hole is adjacent to；
It is fixed with importing protrusion 430 on the outside of first positive stop end 420, import raised 430 inner hollows and is existed by setting
Intercommunicating pore 421 on first positive stop end 420 is connected to drug storage inner cylinder 411.
When original state, pressure spring is not pressurized, and pressing ring 540 is located at the back stop slot of the rightmost side, and switchboard 720
In at 110 maximum displacement of stroke shell.
In use, press first to pressing ring 540, so that locking bar 840 and the back stop slot clamping close to pressure spring, at this time
The spring that presses is pressurized, and stores elastic force；
Then the importing protrusion 430 of ampoule is immersed in the drug or nutrient solution for needing to import, is then pulled and is lived by drug-push lever
Plug 440 is mobile to the second positive stop end 460, until the drug in drug storage inner cylinder 411 reaches demand, then will screw cylinder 470 and lead to
Cross and be threaded into ampoule mounting hole 114, until drug-push lever 450 be packed into press fit hole 511 in and in press fit hole 511
End face is adjacent to；
Finally, being pressed on protrusion 430 is imported on the skin for needing to import, switch ring 710 is pushed to pressure 510 direction of axis,
So that releasing inclined-plane 721 will press in the indentation pressure limit hole 513 of spacing head 810, so that the pressure of pressure spring is to applying
Last item abrupt release, pressure axis act directly on the pressure for the spring that in pressure transmission to drug-push lever 450, finally presses in drug storage
On drug in cylinder 411, drug obtains momentary pulse pressure, and is entered in pore by this pressure, imports skin.
And when in use, can be adjusted by rotating distance shell 110 pressure axis 510 and stroke limit cylinder 120 away from
From, thus adjust pressure axis driving drug-push lever stroke, also just have adjusted import medicament dose.
Scale can be respectively set on stroke shell 110, importing 210 outer wall of shell, directly be read and applied by this scale
Last item 510 can also extrapolate the total amount for importing medicament at a distance from stroke limit cylinder 120, and specific scale setting method can be with
With reference to existing micrometer.
Preferably, the importing shell 210 and 221 corresponding position of the second through slot are provided with the first through slot 212, spacer pin
320 assemble fixation with switchboard 720 after the first through slot 212, the second through slot 221, to prevent switchboard 720 from leading from switch
It is pulled out into slot 224.
Preferably, the importing shell 210 is provided with pressure rings 213, pressure rings 213 on switch 710 one end of ring
Importing shell 210 is fixed when for being pressed using pressure applicator to pressing ring.
Preferably, it is set with switch spring 730 outside the switchboard 720 between the locking bar 840 and switch ring 710, opened
It closes spring 730 and generates the elastic force far from pressing ring for split cyclization 710, so that switchboard triggering pressure spacing head 810
After can automatically reset.
Referring to Fig. 5-Figure 10, the pressure applicator, including, pressure pedestal A100, pressure connecting plate A200, the first pressure plate
Placing groove A102, pressure partition A110, pedestal hinge are provided on A300, the second pressure plate A400, the pressure pedestal A100
Fishplate bar A120；
It presses between two pieces of pedestal articulated slab A120 of the one end connecting plate A200 loading, first rotating shaft A611 passes through pressure connecting plate
Both ends are fixed with two pieces of pedestal articulated slab A120 assembly respectively after A200, two pieces of pedestal articulated slab A120, so that pressure connects
Fishplate bar A200 can be relatively rotated centered on first rotating shaft A611 with pressure pedestal A100；
The first described one end pressure plate A300 is provided with two piece of first pressure articulated slab A310, the other end and is provided with two piece second
Press articulated slab A320, and the pressure connecting plate A200 other end is packed between two piece of first pressure articulated slab A310, and second
It is hinged with two piece of first pressure respectively that shaft A612 passes through two piece of first pressure articulated slab A310, pressure connecting plate A200 and both ends
Plate A310 assembly is fixed, so that the first pressure plate A300 can turn by the way that the second shaft A612 is opposite with pressure connecting plate A200
It is dynamic；
Pressure pivot block A510 is also equipped between two piece of first pressure articulated slab A310, third shaft A613 passes through pressure shaft
Both ends are assembled with two piece of first pressure articulated slab A310 respectively after block A510, so that pressure pivot block A510 can be turned with third
It is relatively rotated centered on axis A613 with the first pressure plate A300；
The pressure pivot block A510 and the assembly of pressure one end push rod A520 is fixed, and the pressure push rod A520 other end is to open
End；
Third pressure articulated slab A410 is provided on the second pressure plate A400, third pressure articulated slab A410 is packed into two pieces
Between second pressure articulated slab A320, third shaft A614 passes through third pressure articulated slab A410, both ends press with second respectively
Articulated slab A320 assembly so that the second pressure plate A400 can centered on the 4th shaft A614 with the first pressure plate A300 phase
To rotation.
When original state, the second pressure plate A400 is folded in above the first pressure plate A300.This mode can increase first
Add the pressure applied to pressing ring, secondly under the premise of applying same pressure to pressure spring, opens the second pressure plate A400
It can be more labor-saving.
It is placed in placing groove A101 in use, shell 210 will be imported first, then by pressure rings 213 outside stroke
110 one end end face of shell is adjacent to pressure partition A110 close to the pressure one end connecting plate A200 end face；Pressure push rod A520 is worn again
It is assembled after crossing switch ring with cooperation pressure holes 543；
Finally the first pressure plate A300 is rotated centered on the second shaft to pressure pedestal A100, so that pressure push rod
A520 pushes 540 pairs of pressure spring pressures of pressing ring, until back stop slot and 840 snap-fit interface of locking bar；
It, can be by the second pressure plate with the when through the first pressure plate A300 pressure in the biggish situation of resistance referring to Figure 10
It rotates centered on four shaft A614 to far from the first direction pressure plate A300, is then applied by the second pressure plate A400 driving first
Pressing plate A300 is centered on the second shaft to pressure base rotation pressure.
Referring to Figure 11-Figure 13, shell movement is imported to limit due to only passing through pressure rings 213 and pressure partition A110 clamping
Mode press to pressure spring, biggish stress can be generated at pressure rings 213 and concentrated, also allow for pressure rings 213
It is easily damaged, therefore applicant is improved as follows:
Increase and extend pedestal A710, pressure pedestal A100 is provided with the one end placing groove A101 and is packed into the extension slot for extending pedestal A710
In A711, and extension slot A711 is located remote from the one end slot A101 and is fixed with limit pressure plate A720；
It is fixed on the outside of the pressure partition A110 with positioning fixed plate A740 assembly, the positioning fixed plate A740 and positioning
The assembly of the one end screw rod A750 is fixed, and the second of the second drawstring knob A820 of positioning screw A750 other end loading screws set A821
It is interior and therewith pass through threaded engagement assemble；
Described second screws set A821 and the assembly of the one end drawstring A910 is fixed, and the drawstring A910 other end and thru-bolt A730 are filled
With fixation, and be wrapped on thru-bolt A730, the one end thru-bolt A730 be fixed on extend the side pedestal A710, the other end with
First screws by threaded engagement assembly inside set A811, and first screws the set end face A811 and be wrapped on thru-bolt A730
Drawstring A910 is compressed；Described first screws set A811 and is arranged on the first drawstring knob A810.
In use, the end face clamping of pressure plate A720 and the installation of stroke shell 111 ampoule one end will be limited, it then will pressurization
Ring 213 and pressure partition A110 clamping, then press, the stress at pressure rings 213 can be substantially reduced in this way to be concentrated.
In view of the distance between stroke shell and pressure rings 213 can change with the drug dose imported is needed, because
This, the relative position for extending pedestal A710 and the pedestal A100 that presses is also required to relative changes, and therefore, applicant is using extension pedestal
Between A710 and positioning fixed plate A740 in such a way that drawstring A910 is connected, in use, can be by thru-bolt A730
Upper winding discharges drawstring to adjust the distance between thru-bolt A730 and positioning screw A750, also just adjusts limit pressure plate
A720 is at a distance from pressure partition A110, thus at a distance from realizing that adaptation stroke shell is different between pressure rings 213；
And second screw set A821 rotation can also wind drawstring A910, be used to finely tune pulling rope length.Drawstring A910 is using soft
Nylon rope.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of adjustable needleless introducing apparatus component of dosage, including, introducing apparatus, pressure applicator, ampoule, it is characterized in that: described
Introducing apparatus, including, stroke shell imports shell, imports intracavitary in the stroke of shell loading stroke shell；
The stroke inner cavity is fixed with stroke limit cylinder far from shell one end is imported, and the importing interior of shell is installation
Chamber, guide cylinder is fixed in installation cavity, and guide cylinder is provided with pressure pilot hole, far from stroke shell on stroke shell one end
Switching guide slot, the second through slot, back stop slot, the pressure pilot hole and pressure axis assembly are provided on part, press axis one
End is packed into the pressure pilot hole for being provided with switching guide slot and is fixed with the first pressure spring mounting post, institute on the end face at this end
The the first pressure spring mounting post and pressure spring one end assembly stated are fixed, and press the spring other end and the second pressure spring installation
Column assembly is fixed, and the second pressure spring mounting post is fixed on pressing ring on the end face of pressure spring；
Switchboard is installed, and switching guide slot is provided with pressure limit close to pressure axis one end side in the switching guide slot
Position slot, described switchboard one end are provided with releasing inclined-plane, and the other end is fixed after passing through switching guide slot with switch ring assembly；It applies
Press spacing head and pressure limiting slot assembly；
It is additionally provided with pressure locking hole, pressure fixation hole on the pressing ring, pressure is installed in the pressure locking hole
Fixed block, pressure screw are solid with pressure fixed block assembly after pressure fixation hole；
The pressure fixed block side and the assembly of locking spring one end are fixed, and the locking spring other end and locking bar are packed into pressure lock
One end in tieholen, which is assembled, to be fixed, and the locking bar other end is packed into back stop slot.
2. the adjustable needleless introducing apparatus component of dosage as described in claim 1, it is characterized in that: in stroke limit cylinder inside
Sky, and stroke limit cylinder is fixed with ampoule mounting cylinder far from importing on the inside of shell one end, ampoule mounting cylinder inner wall by screw thread with
It screws drum outer wall and screws assembly.
3. the adjustable needleless introducing apparatus component of dosage as described in claim 1, it is characterized in that: the pressure axis is close to row
Journey position-limiting drum one end is provided with press fit hole.
4. the adjustable needleless introducing apparatus component of dosage as described in claim 1 is applied it is characterized in that: the pressing ring is separate
Cooperation pressure holes are provided on the end face of pressing spring.
5. the adjustable needleless introducing apparatus component of dosage as described in claim 1, it is characterized in that: the pressure limiting slot,
Including, with the vertical pressure confined planes of pressure axis axis line and with the pressure inclined pressure introduction bevel of axis axis；
Pressure spacing head side is adjacent to pressure confined planes, and the spacing head that presses is packed into pressure mounting hole, the pressure peace
Hole setting is filled on pressure axis；
The first limit installation column is provided on one end that the pressure spacing head is packed into pressure mounting hole, first is mounted
Column and the assembly of limit spring one end are fixed, and the limit spring other end and the second limit installation column assembly are fixed, and second is mounted
Column is fixed on limit link block, and stop screw is packaged with limit connection after the limit fixing threaded hole being arranged on pressure axis
With fixation.
6. the adjustable needleless introducing apparatus component of dosage as described in claim 1, it is characterized in that: the back stop slot includes only
Move back locking surface, retaining approaching face, the retaining locking surface is parallel with axial ray of lock rod, the retaining approaching face from outside to inside,
To pressure axis inclination.
7. the adjustable needleless introducing apparatus component of dosage as claimed in claim 2, it is characterized in that: ampoule, including, medicine-storing tube,
It is drug storage inner cylinder inside the medicine-storing tube, and drug storage inner cylinder one end and piston seal assemble, piston and drug-push lever one end are assembled
It is fixed；
The medicine-storing tube both ends are respectively arranged with the first positive stop end, the second positive stop end, and the second positive stop end is far from medicine-storing tube one end
On be fixed with and screw cylinder, screw on the inside of cylinder and ampoule mounting cylinder through threaded engagement assembly fixation；
The drug-push lever other end passes through the second positive stop end, screws and is packed into after cylinder 470 in press fit hole and and press fit
Hole end surface is adjacent to；
Importing protrusion is fixed on the outside of first positive stop end, importing lobed interior is hollow and by being arranged in the first positive stop end
On intercommunicating pore be connected to drug storage inner cylinder.
8. the adjustable needleless introducing apparatus component of dosage as described in claim 1, it is characterized in that: the locking bar and switch ring
Between switchboard outside be set with switch spring, switch spring generates the elastic force far from pressing ring for split cyclization.
9. the adjustable needleless introducing apparatus component of dosage as described in claim 1, it is characterized in that: the importing shell is close
Switch is provided with pressure rings on ring one end；The pressure applicator, including, pressure pedestal, pressure connecting plate, the first pressure plate, the
Two pressure plates are provided with placing groove, pressure partition, pedestal articulated slab on the pressure pedestal；
The one end of the connection board that presses is packed between two pieces of pedestal articulated slabs, and it is hinged that first rotating shaft passes through pressure connecting plate, two pieces of pedestals
Both ends are fixed with two pieces of pedestal articulated slab assembly respectively after plate；
It is hinged that the first described pressure plate one end is provided with two piece of first pressure articulated slab, the other end is provided with two piece of second pressure
Plate, the pressure connecting plate other end are packed between two piece of first pressure articulated slab, and the second shaft passes through two piece of first pressure
Articulated slab, pressure connecting plate and both ends are fixed with two piece of first pressure articulated slab assembly respectively；
Pressure pivot block is also equipped between two piece of first pressure articulated slab, both ends are distinguished after third shaft passes through pressure pivot block
It is assembled with two piece of first pressure articulated slab；The pressure pivot block and the assembly of pressure push rod one end is fixed, and pressure push rod is another
End is open end.
10. the adjustable needleless introducing apparatus component of dosage as claimed in claim 9, it is characterized in that: second pressure plate
On be provided with third pressure articulated slab, third press articulated slab be packed into two piece of second pressure articulated slab between, third shaft passes through
Third pressure articulated slab, both ends are assembled with the second pressure articulated slab respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811473826.4A CN109364336A (en) | 2018-12-04 | 2018-12-04 | A kind of adjustable needleless introducing apparatus component of dosage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811473826.4A CN109364336A (en) | 2018-12-04 | 2018-12-04 | A kind of adjustable needleless introducing apparatus component of dosage |
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| Publication Number | Publication Date |
|---|---|
| CN109364336A true CN109364336A (en) | 2019-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811473826.4A Pending CN109364336A (en) | 2018-12-04 | 2018-12-04 | A kind of adjustable needleless introducing apparatus component of dosage |
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| CN (1) | CN109364336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999279B (en) * | 2019-05-05 | 2021-04-20 | 河南省中医院（河南中医药大学第二附属医院） | Needle inserting device for anesthesia department |
-
2018
- 2018-12-04 CN CN201811473826.4A patent/CN109364336A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999279B (en) * | 2019-05-05 | 2021-04-20 | 河南省中医院（河南中医药大学第二附属医院） | Needle inserting device for anesthesia department |
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