CN106691865A - Spiral negative pressure extraction booster - Google Patents
Spiral negative pressure extraction booster Download PDFInfo
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- CN106691865A CN106691865A CN201710028989.0A CN201710028989A CN106691865A CN 106691865 A CN106691865 A CN 106691865A CN 201710028989 A CN201710028989 A CN 201710028989A CN 106691865 A CN106691865 A CN 106691865A
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- Prior art keywords
- sliding sleeve
- syringe
- negative pressure
- spherical
- spiral
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0076—Feeding pumps
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- Health & Medical Sciences (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 relates to a spiral negative pressure extraction booster which comprises a shell, a driving part, a rotary wheel, a sliding sleeve, a spring, a first clamping disc, a second clamping disc, an injector, a piston, a lead screw and a check ring. The driving part and the sliding sleeve are arranged on the shell, a key groove is formed in the sliding sleeve, and the rotary wheel is mounted in the key groove through a sliding key and arranged on the sliding sleeve in a sleeving mode. The first clamping disc and the second clamping disc are connected to the two ends of the sliding sleeve, the position, between the first clamping disc and one side of the rotary wheel, of the sliding sleeve is sleeved with the spring, the position, at the other side of the rotary wheel, of the sliding sleeve is sleeved with the check ring, and the piston and the lead screw are connected and then arranged in the injector. An output opening is formed in the injector, and the lead screw penetrates out of the injector and is mounted in the sliding sleeve in the mode of being engaged with an internal thread. The driving part is used for driving the rotary wheel, the sliding sleeve and the lead screw to rotate in sequence to drive the piston to move, and power driving is more constant in speed and more reliable. The second clamping disc is pulled to vacate space to facilitate separation and clamping of a fixed sheet and a clamping groove, the injector can be demounted and mounted conveniently, reset is carried out through the elastic force of the spring, and use is more convenient.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of spiral negative pressure extracting boost motor.
Background technology
In medical practice, there are some patients due to reasons such as neural paralysis, hemiplegia, myasthenia and stupors, it is impossible to complete
Into feed.Time short some nutrient solutions that added in transfusion just can be with, but some patient's courses of disease are long, in the same of defeated nutrient solution
When, in addition it is also necessary to fed food.Patient cannot take food, and that only does gastric intubation and injects liquid food, half liquid food.To losing swallow
Heavy patient, generally with stomach tube by nasal cavity to liquid food, liquid and beverage is conveyed in esophagus, here it is nasal feeding.Current nasal feeding
It is first to suck liquid food, liquid etc. with syringe, then connects stomach tube, slowly injects.When carrying out nasal feeding with syringe, because imbibition with
Adapter will be carried out in two steps, and stomach tube is often extracted repeatedly, then be connected, and not only be wasted time and energy, and people's operation is highly difficult, and deposits
Leaked caused by not matched because of syringe and stomach tube, the problems such as stomach tube easily enters air and liquid food flows backwards, at present, in medical supplies
In, doctor is carried out liquid food feeding using syringe or carries out seroperitoneum extraction substantially, and complex steps, complex operation is taken
When it is laborious.
Also occur in that the liquid food feed mode of boost motor class auxiliary, such as Patent No. on the market at present
The patent of CN201520727469.5 discloses a kind of assist device, and the device is mainly the artificial screw-pushing type boosting of hand held
Device, the device slow down manpower and time of the doctor in process steps to a certain extent, improve to a certain extent
Efficiency, but as artificial propulsion, it is very difficult at the uniform velocity advance, and also pushing ram cannot fast quick-detach, syringe in slave unit
The replacing of pipe cannot accomplish quick-replaceable, and the device cannot effectively clamp syringe and also cannot effectively clamp syringe
Export head and conduit.
The content of the invention
To overcome drawbacks described above, it is to provide one kind to be noted using power drive propulsion and easy disassembly that the purpose of the present invention is
The spiral pushing aid of emitter.
The purpose of the present invention is achieved through the following technical solutions：
A kind of spiral negative pressure extracting boost motor of the invention, including：Housing, actuator, runner, sliding sleeve, spring, the first chuck,
Second chuck, syringe, piston, screw mandrel, back-up ring；Actuator, sliding sleeve are arranged on housing, and keyway, runner are provided with sliding sleeve
It is arranged in keyway by feather key and is set on sliding sleeve, the first chuck, the second chuck is connected to the two ends of sliding sleeve, and spring is set in
On sliding sleeve between first chuck, runner side, back-up ring is set on the sliding sleeve of runner opposite side, is provided with sliding sleeve and screw mandrel
The internal thread being meshed, is arranged in syringe after piston, screw mandrel connection, and delivery outlet is offered on syringe, and screw mandrel passes note
Emitter is outer to be engaged in sliding sleeve by with internal thread, and stator is provided with syringe, installation is offered on housing and is fixed
The draw-in groove of piece, syringe is arranged in draw-in groove by stator and is arranged on housing, and actuator drives runner, sliding sleeve, silk successively
Bar rotational band piston is moved.
Further, actuator includes motor and worm screw；Runner is worm gear, and motor is connected with worm screw, worm-gear driven successively.
Further, spiral pushing aid also includes being arranged on housing and is used to be clamped more than one fixed to syringe
Clamp assembly.
Further, clamp assembly includes：Supporting plate, the two-sided rack, two sector gears, two connecting plates, two clamping plates；It is double
Face tooth bar, two sector gears are movably arranged on housing, and two connecting plates are connected respectively with two sector gears, two sectors
Gear is engaged and is connected respectively with the both sides of the two-sided rack, and supporting plate is connected with the end of the two-sided rack, and two clamping plates are connected with two
Plate is respectively articulated with.
Further, torsion spring is provided with two sector teeth wheel shafts, one end of torsion spring is connected with sector gear, torsion spring
The other end be connected with housing.
Further, clamping plate is V-arrangement clamping plate.
Further, it is provided with rubber mount on clamping plate.
Further, spiral pushing aid also includes：Output spherical, conduit, latch assembly；Output spherical connects with delivery outlet
Logical, the end of conduit is provided with switching spherical, and output spherical is connected with spherical mates of transferring, and latch assembly is arranged on
Output spherical, switching spherical are locked on syringe.
Further, latch assembly includes：Rotational lock button, tray, rotating shaft, knob；Tray is set on the injector, rotating shaft
It is rotatably arranged on tray, knob is connected with one end of rotating shaft, rotational lock button is connected spherical to exporting with the other end of rotating shaft
Body, switching spherical are locked.
Further, two openings are offered on the inwall of rotational lock button, the inwall direction along ng a path at opening is by thin change
It is thick.
A kind of spiral negative pressure extracting boost motor that the present invention is provided, drives runner, sliding sleeve, screw mandrel to turn successively using actuator
Dynamic drive piston movement, it is more at the uniform velocity reliable using power drive；It is easy to stator, card by pulling the second chuck vacating space
The separation of groove with engage, easy disassembly syringe, while resetted by the elastic force of spring, using more facilitating.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following preferred embodiments and accompanying drawing.
Fig. 1 is a kind of profile of angle of a kind of spiral negative pressure extracting boost motor of the invention；
Fig. 2 is a kind of profile of spiral negative pressure extracting boost motor another kind angle of the invention；
Fig. 3 is a kind of overall structure figure of spiral negative pressure extracting boost motor of the invention；
Fig. 4 is the structure chart of rotational lock button in a kind of spiral negative pressure extracting boost motor of the invention；
Fig. 5 is a kind of structure chart of spiral negative pressure extracting boost motor guide ring of the invention；
Wherein reference is：
1st, housing；2nd, runner；3rd, sliding sleeve；4th, spring；5th, the first chuck；6th, the second chuck；7th, syringe；8th, piston；9th, screw mandrel；
10th, back-up ring；11st, keyway；12nd, stator；13rd, draw-in groove；14th, motor；15th, worm screw；16th, battery；17th, shift knob；18th, hold in the palm
Plate；19th, the two-sided rack；20th, sector gear；21st, connecting plate；22nd, clamping plate；23rd, spherical is exported；24th, conduit；25th, switching ball
Body；26th, rotational lock button；27th, tray；28th, rotating shaft；29th, knob；30th, it is open；31st, torsion spring.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1-5, a kind of spiral negative pressure extracting boost motor of the invention, including：Housing 1, actuator, runner 2, sliding sleeve
3rd, spring 4, the first chuck 5, the second chuck 6, syringe 7, piston 8, screw mandrel 9, back-up ring 10；The actuator, sliding sleeve 3 are arranged on this
On housing 1, keyway 11 is provided with the sliding sleeve 3, the runner 2 is set in the cunning by (not shown) being arranged in keyway 11 of feather key
On set 3, first chuck 5, the second chuck 6 are connected to the two ends of the sliding sleeve 3, and the spring 4 is set in the first chuck 5, runner 2 one
On sliding sleeve 3 between side, the back-up ring 10 is set on the sliding sleeve 3 of the opposite side of runner 2, is provided with and the phase of the screw mandrel 9 in the sliding sleeve 3
The internal thread (not shown) of engagement, the piston 8, screw mandrel 9 are arranged in the syringe 7 after connecting, and are offered on the syringe 7 defeated
Outlet (not shown), the screw mandrel 9 passed and engaged in the sliding sleeve 3 by with the internal thread outside the syringe 7, the syringe
Stator 12 is provided with 7, the draw-in groove 13 for installing the stator 12 is offered on the housing 1, the syringe 7 passes through the stator
12 are arranged on the housing 1 in the draw-in groove 13, and the actuator drives runner 2, sliding sleeve 3, screw mandrel 9 to rotate drive successively should
Piston 8 is moved.
A kind of spiral negative pressure extracting boost motor that the present invention is provided, runner 2, sliding sleeve 3, screw mandrel are driven using actuator successively
9 rotational band pistons 8 are moved, more at the uniform velocity reliable using power drive；It is easy to fix by pulling the vacating space of the second chuck 6
Piece 12, the separation of draw-in groove 13 and engage, easy disassembly syringe 7, while resetted by the elastic force of spring 4, using more
It is convenient.
Wherein, the actuator includes motor 14 and worm screw 15；The runner 2 be worm gear, the motor 14 successively with the worm screw 15,
Worm-gear driven is connected.The actuator also includes being provided for motor 14 battery 16 of power and the shift knob of the control power supply of battery 16
17。
Preferably, the spiral pushing aid also includes being arranged on the housing 1 to be used to be clamped fixation to the syringe 7
More than one clamp assembly, preferably be two, referring specifically to Fig. 1-3.The clamp assembly includes：Supporting plate 18, double cog
21, two clamping plates 22 of connecting plate of sector gear 20, two of bar 19, two；The activity peace of 19, two sector gears of the two-sided rack 20
On the housing 1, the sector gear 20 is connected two connecting plates 21 respectively with two, two sector gears 20 and this pair
Connection is engaged in the both sides of face tooth bar 19 respectively, and the supporting plate 18 is connected with the end of the two-sided rack 19, for fixing syringe 7
Bottom；The connecting plate 21 is respectively articulated with two clamping plates 22 with two, the both sides for fixing syringe 7.Two sectors
Torsion spring 31 is provided with the gear shaft of wheel 20, one end of the torsion spring 31 is connected with the sector gear 20, the other end of the torsion spring 31
It is connected with the housing 1, is easy to reset.The clamping plate 22 is V-arrangement clamping plate 22, and rubber mount is provided with the clamping plate 22, is easy to elasticity
It is fixed.
Preferably, the spiral pushing aid also includes：Output spherical 23, conduit 24, latch assembly；The output spherical
23 connect with the delivery outlet, and the end of the conduit 24 is provided with switching spherical 25, and the output spherical 23 is spherical with the switching
Body 25 is engaged connection, and the latch assembly is arranged on the syringe 7 to be locked to the output spherical 23, switching spherical 25
Fasten.The latch assembly includes：Rotational lock button 26, tray 27, rotating shaft 28, knob 29；The tray 27 is arranged on the injection
On device 7, the rotating shaft 28 is rotatably arranged on the tray 27, and the knob 29 is connected with one end of the rotating shaft 28, the rotational lock button
26 be connected with the other end of the rotating shaft 28 to the output spherical 23, switching spherical 25 be locked.Referring to Fig. 4, should
Two openings 30 are offered on the inwall of rotational lock button 26, the inwall direction along ng a path at the opening 30 is by thin thickening.
Specifically, the power source of this spiral pushing aid is motor 14, motor 14 is fixed on housing 1, and motor 14 coaxially connects
Worm screw 15 is connect, the engaging worm wheel of worm screw 15, worm gear is connected with the coaxial feather key of sliding sleeve 3 of internal thread, is provided with the sliding sleeve 3 of internal thread
Strip keyway 11, the front end of sliding sleeve 3 of internal thread is coaxially fixedly installed the first chuck 5, and bullet is cased between the first chuck 5 and worm gear
Spring 4 constitutes elastic connection, and the sliding sleeve 3 of internal thread is close to worm gear rear end face position circumference and is provided with groove (not shown), and groove sets
It is equipped with independently tightening up the non-close type circumference back-up ring 10 of function, back-up ring 10 is open its sliding sleeve for being stuck in internal thread of support senior general
In 3 circumferential groove, back-up ring 10 can independently tighten up stuck fast groove after loosing one's grip, and reach and for worm gear to withstand fixed effect, recessed
The sliding sleeve 3 of the internal thread on rear side of groove extends outward always, and the outside of housing 1 is extended always, and the rear side top of sliding sleeve 3 of internal thread is same
Axle is fixedly installed the second chuck 6, is easy to manual pulling, and the inside of sliding sleeve 3 of internal thread is that spiral is hollow, wherein being threaded with spiral shell
Rotation screw mandrel 9, the head end vertical spin of helical screw 9 is connected with piston 8, and piston 8 is enclosed in activity, syringe 7 back and forth in syringe 7
It is fixedly connected at open rearward end and is provided with a stator 12 wide at the top and narrow at the bottom, the correspondence position of housing 1 has identical shape
Draw-in groove 13, is used to prevent syringe 7 from moving back and forth during the stator 12 on syringe 7 is inserted into draw-in groove 13, plays and is relatively fixed
Effect, the both sides of syringe 7 are symmetrically arranged with V-arrangement clamping plate 22, in the position with the tube wall joint place of syringe 7 on V-arrangement clamping plate 22
On be fixed with rubber mount, be easy to so that syringe 7 fix more firmly, the turning point of V-arrangement clamping plate 22 outside use articulated form
It is connected with connecting plate 21, the lower end of connecting plate 21 is provided with sector gear 20, same group of sector gear 20 is engaged in same a pair of simultaneously
The left and right sides of face tooth bar 19, the upper surface of the two-sided rack 19 sets the supporting plate 18 for being fixed with and fitting in the outer wall radian of syringe 7, fan
Shape gear 20 and its following structure are placed in the inside of housing 1, and the gear shaft of sector gear 20 is connected to inside housing 1,
Torsion spring 31 is provided with the gear shaft of sector gear 20, the one end of torsion spring 31 is connected on sector gear 20, and the other end is connected to shell
On body 1, when supporting plate 18 is pressed decline, V-arrangement clamping plate 22 can be tightened up, when pressing is stopped, in the presence of torsion spring 31, and supporting plate
18 can raise, and V-arrangement clamping plate 22 can open, and the position before and after syringe 7 is provided with two groups of clamp assemblies, uniform fixed syringe 7,
The head end of syringe 7 is provided with a delivery outlet, and delivery outlet is communicated with output spherical 23, output spherical 23 and transfusion catheter 24
Switching spherical 25 be close together, now by column shaped rotating locking button 26 opening 30 put output spherical 23, turn
Receive body 25, output spherical 23, switching spherical 25 are located at the center of cylinder rotational lock button 26, because cylinder rotation lock
The inwall of tight button 26 is by thin thickening, when rotational lock button 26 are rotated, by thin thickening from opening 30 to orbital direction
Inwall can extrude output spherical 23, switching spherical 25, will output spherical 23, switching spherical 25 press together,
When cylinder rotational lock button 26 is rotated to dead point, stop operating and maintain the lock status, the lower end of cylinder rotational lock button 26 is set
There is one piece of tray 27 for being fixed on the tube wall head end of syringe 7 to hold up rotational lock button 26, the lower end of rotational lock button 26 is coaxially solid
A fixed rotating shaft 28, and tray 27 is stretched out, the lower end of rotating shaft 28 is fixedly and coaxially connected manual knob 29.In the handle end of housing 1
Portion is provided with battery 16, and motor 14 can be powered, and front end is provided with shift knob 17 at handle, carrys out the operating of controlled motor 14.
When needing to carry out feeding fluid operating, helical screw 9 is screwed with piston 8, piston 8 is pushed into syringe 7
Lowermost end, syringe 7 is put on supporting plate 18, and supporting plate 18 is extruded downwards, drives the two-sided rack 19 to rotate down, because two-sided
Tooth bar 19 and sector gear 20 are engaged, thus the two-sided rack 19 downwards it is vertically movable drive engaged with same the two-sided rack 19 it is symmetrical
Sector gear 20 is rotated in opposite directions, and the angle that sector gear 20 rotates before driving outside connecting plate 21 in opposite directions reduces so that V-type is pressed from both sides
Plate 22 is moved to the direction of syringe 7, because being the dynamic connection of hinge between V-type clamping plate 22 and connecting plate 21, works as V-type clamping plate 22
Meeting automatic capturing after contact injection tube wall, now stirs the second chuck 6 backward, and the sliding sleeve 3 of internal thread follows the second chuck 6 backward
Be axially moved, worm gear position do not change, the spring 4 between the first chuck 5 and worm gear is compressed, now by syringe 7 to
Some spacing are slightly moved afterwards so that in the draw-in groove 13 of the insertion housing 1 of stator 12 on syringe 7, now the sliding sleeve 3 of internal thread
In the presence of spring 4 reset, reset while piston 8 on helical screw 9 tail end also into internal thread sliding sleeve 3
Spiral endoporus in, transfusion catheter 24 is now enclosed within the output of syringe 7, then by column shaped rotating locking button 26
It is open at 30 and puts output spherical 23, switching spherical 25, rotary manual knob 29 to cylinder rotational lock button 26 goes to extremely
Point, transfusion catheter 24 and the end of syringe 7 are locked, and by the other end access nutrition liquid food of transfusion catheter 24, are now pressed
Shift knob 17 on the handle of housing 1, motor 14 is opened, and motor 14 drives worm screw 15 to rotate, and the engaging worm wheel of worm screw 15 drives snail
Wheel is rotated, because for feather key is connected between the sliding sleeve 3 of worm gear and internal thread, worm gear wheel drives 3 turns of the sliding sleeve of internal thread
It is dynamic, because be to be threadedly coupled between the sliding sleeve 3 of internal thread and helical screw 9, and rotated in piston 8 and syringe 7
Power is carried out without rotation much larger than the propulsion of piston 8 and the power required for drawing, helical screw 9 under the rotation of the sliding sleeve 3 of internal thread
Axial drawing action, as helical screw 9 carries out drawing action with piston 8 in syringe 7, liquid food is inhaled into and fills up note
In emitter 7, now liquid food is fed when the patient, inverts motor 14, worm screw 15 drives worm gear to rotate backward, worm gear drive in spiral shell
The sliding sleeve 3 of line is rotated backward, and drives helical screw 9 to carry out axial advancing movement, liquid food is fed to patient according to quantity, this boost motor
Also similarly can be used as seroperitoneum draw-out device.
A kind of spiral negative pressure extracting boost motor that the present invention is provided has the following advantages that：
1. entirety is promoted in the form of screw propulsion will not allow patient to feel with drawing injection ram 8, speed equalization stable
Too fast or too quickly discomfort, is the feeder of direct drawing formula substantially on the market, not only advances as dwell type moves ahead, and
Propulsive efficiency is slow, wastes time and energy.
2. the vertical coaxially connected helical screw 9 of piston 8, piston 8 can relatively rotate with helical screw 9, can be stably
Band piston 8 carries out screw propulsion and drawing.
3. the rotational lock button 26 of cylindrical shape is disposed with, and the upper surface Central Symmetry position of rotational lock button 26 is provided with
Two openings 30, the 30 sections of lower sections in opening are that sidewall locations are provided with open channel, from track opening to the row of track rear end
The inner wall thickness of cylinder rotational lock button 26 uniformly becomes big in journey, to ensure that when locking rotation is carried out output end can be made
Portion is connected more and more firm with conduit 24.
4. keyway 11, worm gear are provided with the sliding sleeve 3 of internal thread to be slidably connected between the sliding sleeve 3 of worm gear and internal thread
Feather key is installed so that the sliding sleeve 3 of internal thread can be axially moved at endoporus.
5. the tail end of sliding sleeve 3 of internal thread is provided with chuck and can be used for pulling, the front end chuck of sliding sleeve 3 and worm gear of internal thread
Between be provided with spring 4 and carry out elastic connection, helical screw 9 pulls dynamic internal thread sliding sleeve 3 when being advanced into bottom makes internal thread
Sliding sleeve 3 separated with helical screw 9, to change syringe 7.
6. it is close on the position of worm gear rear end face on the sliding sleeve 3 of internal thread and sets fluted, back-up ring is provided with groove
10, prevent helical screw 9 from the forward axial motion of sliding sleeve 3 of internal thread is driven when promoting piston 8.
7. the both sides of syringe 7 are symmetrically arranged with clamp assembly, and clamping plate 22 is connected using articulated form with outer side connecting plate 21,
The dynamic connection of hinge causes that clamping plate 22 has the function of automatic capturing, while clamping plate 22 can preferably fasten injection using V-structure
Device 7.
8. the lower end of connecting plate 21 is provided with sector gear 20, and same group of sector gear 20 is engaged in same the two-sided rack simultaneously
19 left and right sides, is provided with torsion spring 31 on the gear shaft of sector gear 20, the one end of torsion spring 31 is connected on sector gear 20, separately
One end is connected on housing 1, can Automatic-clamping all size syringe 7.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of spiral negative pressure extracting boost motor, it is characterised in that including：Housing, actuator, runner, sliding sleeve, spring, first
Chuck, the second chuck, syringe, piston, screw mandrel, back-up ring；The actuator, sliding sleeve are set on the housing, the sliding sleeve
On be provided with keyway, the runner is arranged in keyway by feather key and is set on the sliding sleeve, first chuck, the second card
Disk is connected to the two ends of the sliding sleeve, and the spring is set on the sliding sleeve between the first chuck, runner side, the shield ring sleeve
It is located on the sliding sleeve of runner opposite side, the internal thread being meshed with the screw mandrel, the piston, screw mandrel is provided with the sliding sleeve
It is arranged on after connection in the syringe, delivery outlet is offered on the syringe, the screw mandrel is passed and lead to outside the syringe
Cross and engaged with the internal thread in the sliding sleeve, stator is provided with the syringe, offered on the housing
The draw-in groove of the stator is installed, the syringe is arranged in the draw-in groove by the stator and is arranged on the housing
On, the actuator drives runner, sliding sleeve, screw mandrel to rotate and drives the piston movement successively.
2. a kind of spiral negative pressure extracting boost motor according to claim 1, it is characterised in that the actuator includes motor
And worm screw；The runner is worm gear, and the motor is connected with the worm screw, worm-gear driven successively.
3. a kind of spiral negative pressure extracting boost motor according to claim 1, it is characterised in that the spiral pushing aid is also wrapped
Including setting is used to be clamped the syringe fixed more than one clamp assembly on the housing.
4. a kind of spiral negative pressure extracting boost motor according to claim 3, it is characterised in that the clamp assembly includes：
Supporting plate, the two-sided rack, two sector gears, two connecting plates, two clamping plates；The two-sided rack, two sector gear activities
Install on the housing, two connecting plates are connected respectively with two sector gears, two sector gears and
Connection is engaged in the both sides of the two-sided rack respectively, and the supporting plate is connected with the end of the two-sided rack, two clamping plates
It is respectively articulated with two connecting plates.
5. a kind of spiral negative pressure extracting boost motor according to claim 4, it is characterised in that two sector gears
Torsion spring is provided with gear shaft, one end of the torsion spring is connected with the sector gear, the other end of the torsion spring and the shell
Body is connected.
6. a kind of spiral negative pressure extracting boost motor according to claim 4, it is characterised in that the clamping plate is V-arrangement clamping plate.
7. a kind of spiral negative pressure extracting boost motor according to claim 4, it is characterised in that be provided with rubber on the clamping plate
Glue cushion.
8. a kind of spiral negative pressure extracting boost motor according to claim 1, it is characterised in that the spiral pushing aid is also wrapped
Include：Output spherical, conduit, latch assembly；The output spherical is connected with the delivery outlet, and the end of the conduit is set
There is switching spherical, the output spherical is connected with the spherical mates of switching, and the latch assembly is arranged on described
The output spherical, switching spherical are locked on syringe.
9. a kind of spiral negative pressure extracting boost motor according to claim 8, it is characterised in that the latch assembly includes：
Rotational lock button, tray, rotating shaft, knob；The tray is arranged on the syringe, and the axis of rotation is arranged on the support
On block, the knob is connected with one end of the rotating shaft, and the rotational lock button is connected to described with the other end of the rotating shaft
Output spherical, switching spherical are locked.
10. a kind of spiral negative pressure extracting boost motor according to claim 9, it is characterised in that the rotational lock button
Two openings are offered on inwall, the inwall direction along ng a path at the opening is by thin thickening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028989.0A CN106691865B (en) | 2017-01-16 | 2017-01-16 | Spiral negative pressure extraction booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028989.0A CN106691865B (en) | 2017-01-16 | 2017-01-16 | Spiral negative pressure extraction booster |
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| Publication Number | Publication Date |
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| CN106691865A true CN106691865A (en) | 2017-05-24 |
| CN106691865B CN106691865B (en) | 2023-05-26 |
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| CN201710028989.0A Active CN106691865B (en) | 2017-01-16 | 2017-01-16 | Spiral negative pressure extraction booster |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107167345A (en) * | 2017-07-14 | 2017-09-15 | 成都智宸科技有限公司 | A kind of water quality detection aqueous draw-out device |
| CN107693927A (en) * | 2017-11-10 | 2018-02-16 | 郑州大学第附属医院 | A kind of positive/negative-pressure with feeding function automatically adjusts electric injection device |
| CN107822898A (en) * | 2017-11-24 | 2018-03-23 | 宁波大学 | A kind of power assisting device of nasal-feeding device |
| CN107951728A (en) * | 2017-11-20 | 2018-04-24 | 李志强 | A kind of GI Medicine liquid food feedway |
| CN108715802A (en) * | 2018-05-22 | 2018-10-30 | 苏州朝霞生物科技有限公司 | A kind of biotechnology is moved with plaque takes device |
| CN108836868A (en) * | 2018-05-10 | 2018-11-20 | 宁波大学 | A kind of universal nasal feeding feeder |
| CN109625724A (en) * | 2018-10-31 | 2019-04-16 | 广东南桂起重机械有限公司 | Intelligent three-dimensional is stored in a warehouse the shelf Scan orientation system of automatic crane |
| CN111773469A (en) * | 2020-07-13 | 2020-10-16 | 仪维武 | Contrast medium injection device |
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| CN107167345A (en) * | 2017-07-14 | 2017-09-15 | 成都智宸科技有限公司 | A kind of water quality detection aqueous draw-out device |
| CN107693927A (en) * | 2017-11-10 | 2018-02-16 | 郑州大学第附属医院 | A kind of positive/negative-pressure with feeding function automatically adjusts electric injection device |
| CN107951728A (en) * | 2017-11-20 | 2018-04-24 | 李志强 | A kind of GI Medicine liquid food feedway |
| CN107822898A (en) * | 2017-11-24 | 2018-03-23 | 宁波大学 | A kind of power assisting device of nasal-feeding device |
| CN107822898B (en) * | 2017-11-24 | 2024-02-20 | 宁波大学 | Power assisting device of nasal feeding device |
| CN108836868A (en) * | 2018-05-10 | 2018-11-20 | 宁波大学 | A kind of universal nasal feeding feeder |
| CN108715802A (en) * | 2018-05-22 | 2018-10-30 | 苏州朝霞生物科技有限公司 | A kind of biotechnology is moved with plaque takes device |
| CN109625724A (en) * | 2018-10-31 | 2019-04-16 | 广东南桂起重机械有限公司 | Intelligent three-dimensional is stored in a warehouse the shelf Scan orientation system of automatic crane |
| CN111773469A (en) * | 2020-07-13 | 2020-10-16 | 仪维武 | Contrast medium injection device |
| CN111773469B (en) * | 2020-07-13 | 2021-11-19 | 仪维武 | Contrast medium injection device |
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| CN106691865B (en) | 2023-05-26 |
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