CN107551357A - A kind of disposable medical syringe - Google Patents
A kind of disposable medical syringe Download PDFInfo
- Publication number
- CN107551357A CN107551357A CN201710919716.5A CN201710919716A CN107551357A CN 107551357 A CN107551357 A CN 107551357A CN 201710919716 A CN201710919716 A CN 201710919716A CN 107551357 A CN107551357 A CN 107551357A
- Authority
- CN
- China
- Prior art keywords
- chaste tree
- pawl
- rotation
- button
- clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of disposable medical syringe, including external button, button axle sleeve, two-way chaste tree wheel, knob, dial, inner screw sheath, rotate chaste tree pawl, rotary shaft, upper casing, nipple, clutch sub, clutch chaste tree is taken turns, screw mandrel, brake spring, the knob of one end suit handmade rotary of external button drives the pawl rotation of rotation chaste tree, because rotation chaste tree pawl is agreed with inner screw sheath completely by the shelves point of 3 different sizes, when rotating the rotation of chaste tree pawl, it can only rotate and rise fully according to the helix of inner screw sheath, dial also rotates rising simultaneously, continuous turn knob is the amount to be injected until the scale of face pointer.The present invention has the advantages that product cost is low, injection dosage is adjustable, injection precision is high, transmission mechanism is simple, small volume, is easy to carry.
Description
Technical field
The present invention relates to field of medical article technology, more particularly to a kind of disposable medical syringe.
Background technology
With the progress of medical technology, the operation of medical treatment aspect is more and more stricter, and injects the basis as medical procedure,
Most of medical procedures are required for using injection.Existing injection technique is essentially divided into two kinds：One kind is medical personnel's routine
The injection needles pipe used, this injection system need to complete injection in hospital under the monitoring of medical personnel, be by
The parenteral solution of larger dose is disposably injected into human body, is used in the conventional therapy of patient inside and outside institute；Another is that foreign countries enter
The special disposable medical syringe of insulin of mouth is higher specifically for diabetic, this disposable medical syringe price.
But all exist complicated, can not accurately adjust dosage.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of disposable medical of adjustable dosage
Syringe.
The technical solution adopted for the present invention to solve the technical problems is：
Disposable medical syringe, including external button, button axle sleeve, two-way chaste tree wheel, knob, dial, inner screw sheath, rotation
Chaste tree pawl, rotary shaft, upper casing, nipple, clutch sub, clutch chaste tree wheel, screw mandrel, brake spring, the one of the external button
End is sleeved in button axle sleeve, and button spring, the two-way chaste tree wheel are set with the external button and button axle sleeve junction
The tooth on top is meshed with the tooth of chaste tree axle sleeve bottom, and the chaste tree axle sleeve, button axle sleeve and two-way chaste tree wheel are arranged on rotation chaste tree
In pawl, the tooth of the two-way chaste tree wheel bottom is meshed with rotating the tooth of chaste tree pawl interior lower end, is set with outside the rotation chaste tree pawl
Inner screw sheath, inner screw sheath is interior to be provided with the helix being engaged with rotation chaste tree pawl, and the inner screw sheath is arranged in dial, is carved
Scale is arranged in upper casing, and the upper end of dial is provided with knob；The rotary shaft is arranged in rotation chaste tree pawl, rotary shaft
The tooth that the tooth of bottom takes turns top by pen core spring, movable chaste tree wheel, clutch sub, brake spring with clutch chaste tree mutually agrees with, described
Clutch chaste tree wheel is arranged on screw mandrel, and the lower end of screw mandrel has snapped connection piston by screw mandrel.
Further, decorative circle is provided between the upper casing and nipple.
Further, the helix in the inner screw sheath is provided with 3 different specifications.
Further, 0-60 spiral scale is set with the dial.
The beneficial effects of the invention are as follows：
Compared with prior art, the present invention have product cost is low, injection dosage is adjustable, injection precision is high, transmission mechanism is simple,
Small volume, the advantages that being easy to carry.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention；
Shown in figure：1. external button, 2. button springs, 3. button axle sleeves, 4. chaste tree axle sleeves, 5. two-way chaste tree wheels, 6. knobs, 7.
Dial, 8. inner screw sheaths, 9. rotation chaste tree pawls, 10. rotary shafts, 11. pen core springs, 13. movable chaste tree wheels, 15. upper casings, 17.
Decorative circle, 18. nipples, 19. clutch subs, 20. brake springs, 21. clutch chaste trees wheel, 22. screw mandrels, 23. screw mandrel buckles, 24.
Piston, 25. clamped bottles.
Embodiment
The present invention is illustrated with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of disposable medical syringe, including external button 1, button axle sleeve 3, two-way chaste tree wheel 5, knob
6th, dial 7, inner screw sheath 8, rotation chaste tree pawl 9, rotary shaft 10, upper casing 15, nipple 18, clutch sub 19, clutch chaste tree
Wheel 21, screw mandrel 22, brake spring 20, one end of the external button 1 is sleeved in button axle sleeve 3, the external button 1 with
The junction of button axle sleeve 3 is set with button spring 2, and the two-way chaste tree takes turns the tooth on 5 tops and the tooth of the bottom of chaste tree axle sleeve 4 is mutually nibbled
Close, the chaste tree axle sleeve 4, button axle sleeve 3 and two-way chaste tree wheel 5 are arranged in rotation chaste tree pawl 9, and the two-way chaste tree takes turns the tooth of 5 bottoms
It is meshed with the tooth for rotating the interior lower end of chaste tree pawl 9, the outside of rotation chaste tree pawl 9 is set with inner screw sheath 8, is set in inner screw sheath 8
There is the helix being engaged with rotation chaste tree pawl 9, the helix is provided with 3 different specifications.The inner screw sheath 8, which is arranged on, to be carved
In scale 7, dial 7 is arranged in upper casing 15, and the upper end of dial 7 is provided with knob 6, and 0-60 are set with dial 7
Spiral scale；The rotary shaft 10 is arranged in rotation chaste tree pawl 9, and the tooth of the bottom of rotary shaft 9 passes through pen core spring 11, activity
The tooth that chaste tree wheel 13, clutch sub 19, brake spring 20 take turns 21 tops with clutch chaste tree mutually agrees with, and the clutch chaste tree wheel 21 is arranged on silk
On bar 22, the lower end of screw mandrel 22 is connected with piston 24 by screw mandrel buckle 23, and decorative circle is provided between upper casing 15 and nipple 18
17。
The present invention is in use, take turns the interoperation of 21, brake spring 20, nipple 18, rotary shaft by clutch chaste tree
The tooth of 10 lower ends is meshed with end tooth on clutch chaste tree wheel 21（When there is no assembling caliper type bottle, due to the effect of brake spring 20, Liang Zheshi
Separation）, special injection needles head is then loaded onto, completes preparation.
Knob 6 at the top of turning clockwise by hand, rotation chaste tree pawl 9 is driven also to turn clockwise simultaneously, due to rotating chaste tree pawl 9
Agreed with completely in inner screw sheath 8 by the shelves point of 3 different sizes（Inwall has the helix of 3 kinds of specifications）, when rotation chaste tree pawl 9
During rotation, it can only rotate and rise fully according to the helix of inner screw sheath 8, while dial 7（0-60 spiral has been set above
Scale）Also rotation rises, if during selected scale face pointer, then selected scale is exactly the amount injected, if rotation
More than the scale of demand, as long as rotate counterclockwise is with regard to that can be returned to demand scale.
While knob 6 rotates, button axle sleeve 3, chaste tree axle sleeve 4 in rotation chaste tree pawl 9, two-way chaste tree take turns 5 and
External button 1 on button axle sleeve 3 is due to the presence of no external pressure, and button spring 2 is not by power in freely
State, it is loose fit between button axle sleeve 3, chaste tree axle sleeve 4, two-way chaste tree wheel 5, two-way chaste tree takes turns the tooth of 5 bottoms with rotating in chaste tree pawl 9
The tooth at subordinate end mutually agrees with, and the tooth spin friction on 5 tops of the tooth of the bottom of chaste tree axle sleeve 4 and two-way chaste tree wheel sends the sound of " whip "
Sound, form sound feedback and remind consumer.
During injection, external button 1 is firmly pressed, 4 times end teeth of chaste tree axle sleeve are taken turns 5 top tooth compression fits with two-way chaste tree, forced
Rotation chaste tree pawl 9 is rotated down counterclockwise in inner screw sheath 8 by helix, is driven the also rotate counterclockwise of rotary shaft 10, is passed through
Pen core spring 11, movable chaste tree wheel 13, clutch sub 19 and clutch chaste tree, which take turns 21 collective effects, forces the rotate counterclockwise of screw mandrel 22 downward
Motion, so as to promote piston 24 to move downward, injection is formed, single maximum injection amount is 60uml, and minimum step amount is 1uml.
Above-described embodiment is in the art the purpose is to be to allow simply to illustrate that the technical concepts and features of the present invention
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention；It is all
It is the equivalent change or modification according to made by the essence of present invention, should all covers within the scope of the present invention.
Claims (4)
- A kind of 1. disposable medical syringe, it is characterised in that：Including external button, button axle sleeve, two-way chaste tree wheel, knob, quarter Scale, inner screw sheath, rotation chaste tree pawl, rotary shaft, upper casing, nipple, clutch sub, clutch chaste tree wheel, screw mandrel, clutch bullet Spring, one end of the external button are sleeved in button axle sleeve, are set with and are pressed in the external button and button axle sleeve junction Button spring, the tooth on the two-way chaste tree wheel top are meshed with the tooth of chaste tree axle sleeve bottom, the chaste tree axle sleeve, button axle sleeve and double It is arranged on to chaste tree wheel in rotation chaste tree pawl, the tooth of the two-way chaste tree wheel bottom is meshed with rotating the tooth of chaste tree pawl interior lower end, described Inner screw sheath is set with outside rotation chaste tree pawl, the helix being engaged with rotation chaste tree pawl, the internal thread are provided with inner screw sheath Set is arranged in dial, and dial is arranged in upper casing, and the upper end of dial is provided with knob；The rotary shaft is arranged on Rotate in chaste tree pawl, the tooth of rotary shaft bottom is taken turns by pen core spring, movable chaste tree wheel, clutch sub, brake spring and clutch chaste tree The tooth on top mutually agrees with, and the clutch chaste tree wheel is arranged on screw mandrel, and the lower end of screw mandrel has snapped connection piston by screw mandrel.
- A kind of 2. disposable medical syringe according to claim 1, it is characterised in that：The upper casing and nipple it Between be provided with decorative circle.
- A kind of 3. disposable medical syringe according to claim 1, it is characterised in that：Spiral in the inner screw sheath Line is provided with 3 different specifications.
- A kind of 4. disposable medical syringe according to claim 1, it is characterised in that：It is set with the dial 0-60 spiral scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919716.5A CN107551357A (en) | 2017-09-30 | 2017-09-30 | A kind of disposable medical syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919716.5A CN107551357A (en) | 2017-09-30 | 2017-09-30 | A kind of disposable medical syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107551357A true CN107551357A (en) | 2018-01-09 |
Family
ID=60984756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919716.5A Pending CN107551357A (en) | 2017-09-30 | 2017-09-30 | A kind of disposable medical syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107551357A (en) |
-
2017
- 2017-09-30 CN CN201710919716.5A patent/CN107551357A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180109 |