CN110090338A - A kind of anti-jamming push-rod assembly for syringe pump - Google Patents
A kind of anti-jamming push-rod assembly for syringe pump Download PDFInfo
- Publication number
- CN110090338A CN110090338A CN201910522798.9A CN201910522798A CN110090338A CN 110090338 A CN110090338 A CN 110090338A CN 201910522798 A CN201910522798 A CN 201910522798A CN 110090338 A CN110090338 A CN 110090338A
- Authority
- CN
- China
- Prior art keywords
- push
- connecting rod
- gear
- moving spring
- push handle
- 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
Links
Classifications
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M2005/3152—Piston or piston-rod constructions, e.g. connection of piston with piston-rod including gearings to multiply or attenuate the piston displacing force
Abstract
The present invention discloses a kind of anti-jamming push-rod assembly for syringe pump, push-rod assembly is made of connecting rod and push handle, connecting rod one end is arranged in the push handle, and connecting rod can be rotated around the push handle, push handle includes the interior side body and outside shell snapped connection, push handle is equipped with swing handle away from connecting rod side, it is engaged with connecting rod, connecting rod periphery in push handle is fixed with reset lever, reseting gear is equipped between interior side body and reset lever, the upper end is equipped with protrusion, first back-moving spring is fixedly connected on the shell of outside, the extension end snapping of its free end and reset lever, second back-moving spring is fixedly connected in interior side body, protrusion snapping on its free end and reseting gear.The present invention realizes the effect resetted after push rod propulsion by reset spring, reset lever and the reseting gear inside push handle, and anti-throw-out lever is advanced into the stuck phenomenon being likely to occur when end, convenient for injecting repeatedly.
Description
Technical field
It is specifically a kind of for the anti-of syringe pump the present invention relates to medical instruments field more particularly to a kind of injection device
Stuck push-rod assembly.
Background technique
It is frequently necessary to use syringe pump in medical procedure, especially needs to be injected repeatedly in grave illness room, pass
The syringe pump of system is easy to happen stuck phenomenon when being advanced into end, is not easy to readjustment and carries out stable injectable, cannot achieve repeatedly
Injection.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to be used for the anti-jamming push-rod assembly of syringe pump,
It can be effectively prevented the stuck phenomenon that syringe pump occurs when being advanced into end.
To achieve the above object, present invention employs following technologies:
A kind of anti-jamming push-rod assembly for syringe pump, push-rod assembly are made of connecting rod and push handle, connecting rod one end
It is arranged in push handle, and connecting rod can be rotated around push handle, push handle includes that the interior side body snapped connection and outside shell, push handle deviate from
Connecting rod side is equipped with swing handle, and swing handle is engaged with connecting rod, and the connecting rod periphery in push handle is fixed with
Reset lever is fixed with the reseting gear being arranged between interior side body and reset lever on the periphery of connecting rod, multiple
Position gear upper end is equipped with protrusion, is fixedly connected with first back-moving spring on the shell of outside, the free end of first back-moving spring with
The extension end snapping of reset lever, is fixedly connected with second back-moving spring in interior side body, second back-moving spring free end and multiple
Protrusion snapping on the gear of position.
Further, inside case inside be equipped with first gear and second gear, reseting gear engaged with first gear or
Reseting gear is engaged with second gear, and inside hull outside is equipped with intermediate plate group, intermediate plate group respectively with first gear and the second tooth
Wheel is fixed.
Further, first back-moving spring on outer side body fixing end and second back-moving spring on interior side body
Fixing end is symmetrical about the center of circle of connecting rod.
Further, first back-moving spring is relatively parallel on movement pointing direction with second back-moving spring.
It further, is in 30 ° -50 ° of angle between reset lever and reseting gear.
Further, reset lever moves in a circle in connecting rod, and movement angle is between 30 ° -50 °.
Further, reseting gear moves in a circle in connecting rod, and movement angle is between 30 ° -50 °.
Compared with the existing technology, the beneficial effects of the present invention are:
The present invention drives reseting gear and reset lever to rotate by engaging for swing handle and connecting rod, while driving the
One reset spring and second back-moving spring carry out the voltage-controlled realization of spring to connecting rod and reset, and push handle is enabled to push back reset,
Achieved the purpose that with this anti-jamming.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of internal structure of the anti-jamming push-rod assembly for syringe pump provided by the invention.
Fig. 2 is a kind of external structure schematic diagram of the anti-jamming push-rod assembly for syringe pump provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
The present invention is a kind of anti-jamming push-rod assembly for syringe pump, and as shown in Figure 1 and Figure 2, push-rod assembly is by connecting rod
1 and push handle 2 form, 1 one end of connecting rod is arranged in push handle 2, and connecting rod 1 can rotate around push handle 2, and push handle 2 is including snapping connection
Interior side body 21 and outside shell 22, push handle 2 away from 1 side of connecting rod be equipped with swing handle 3, swing handle 3 and connecting rod
1 engagement, 1 periphery of connecting rod in push handle 2 are fixed with reset lever 7, are fixed on the periphery of connecting rod 1
Reseting gear 8 between interior side body 21 and reset lever 7 is set, and 8 upper end of reseting gear is equipped with protrusion, outside shell 22
On be fixedly connected with first back-moving spring 5, the free end of first back-moving spring 5 and the extension end snapping of reset lever 7, inside shell
Second back-moving spring 6, the protrusion snapping on 6 free end of second back-moving spring and reseting gear 8 are fixedly connected in body 21.
Push handle of the present invention is made of two housing sections installation, is interior side body close to connecting rod side, and the other side is outside shell,
Drive connecting rod 1 to drive reset lever 7 and reseting gear 8 to move in a circle by rotation swing handle 3, then by resetting
Pull rod seven stretches first back-moving spring 5, stretches second back-moving spring 6 by reseting gear 8, is reversely driven by the power of recoil of spring
Reset lever 7 and the reversed circular motion of reseting gear 8, to realize that reset is anti-jamming.
In the present invention, first gear 9 and second gear 10, reseting gear 8 and the first tooth are equipped on the inside of interior side body 21
9 engagement of wheel or reseting gear 8 are engaged with second gear 10, are equipped with intermediate plate group 4 on the outside of interior side body 21, intermediate plate group 4 respectively with
First gear 9 and second gear 10 are fixed, drive first gear 9 and second gear 10 by circular-rotation intermediate plate group 4 outward
Rotation, then drive reseting gear 8 to move in a circle and drive by drive connecting rod 1 multiple by first gear 9 and second gear 10
Position pull rod 7 moves in a circle, to stretch first back-moving spring 5 and second back-moving spring 6, drives to reset by recoil of spring and draw
Bar 7 and the reversed circular motion of reseting gear 8, to realize that reset is anti-jamming.
In the present invention, fixing end and second back-moving spring 6 of the first back-moving spring 5 on outer side body 22 are in inside
Fixing end on shell 21 is symmetrical about the center of circle of connecting rod 1, has reset lever 7 and reseting gear 8 in rotation more stable
Reaction force complete reset it is anti-jamming.
In the present invention, first back-moving spring 5 is relatively parallel on movement pointing direction with second back-moving spring 6, makes multiple
It is anti-jamming that position pull rod 7 and reseting gear 8 further possess stable reaction force completion reset in rotation.
It in the present invention, is in 30 ° -50 ° of angle between reset lever 7 and reseting gear 8, convenient for the phase interworking between gear
It closes, further realize resets anti-jamming function.
In the present invention, reset lever 7 and reseting gear 8 move in a circle in connecting rod 1, movement angle 30 °-
Between 50 °, prevent movement angle excessive or it is too small lead to not reset or it is inconvenient.
The above is merely preferred embodiments of the present invention, be not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (5)
1. a kind of anti-jamming push-rod assembly for syringe pump, which is characterized in that the push-rod assembly is by connecting rod and push handle group
At described connecting rod one end is arranged in the push handle, and the connecting rod can be rotated around the push handle, and the push handle includes buckle
The interior side body and outside shell of connection, the push handle are equipped with swing handle, swing handle and company away from the connecting rod side
Extension bar engagement, the connecting rod periphery in the push handle is fixed with reset lever, positioned at the circle of the connecting rod
The reseting gear being arranged between the interior side body and reset lever is fixed on circumferential surface, the reseting gear upper end is equipped with convex
Object is played, first back-moving spring, the free end of the first back-moving spring and the reset are fixedly connected on the outside shell
The extension end snapping of pull rod is fixedly connected with second back-moving spring, the second back-moving spring free end in the interior side body
With the protrusion snapping on the reseting gear.
2. the anti-jamming push-rod assembly of one kind according to claim 1, which is characterized in that the inside case inside is equipped with
First gear and second gear, the reseting gear is engaged with the first gear or the reseting gear is nibbled with second gear
It closes, the inside hull outside is equipped with intermediate plate group, and the intermediate plate group is fixed with first gear and second gear respectively.
3. the anti-jamming push-rod assembly of one kind according to claim 1, which is characterized in that the first back-moving spring is in institute
State the fixing end center of circle pair about connecting rod of the fixing end and second back-moving spring on the shell of outside on the interior side body
Claim.
4. the anti-jamming push-rod assembly of one kind according to claim 1, which is characterized in that the first back-moving spring and
Two reset springs are relatively parallel on movement pointing direction.
5. the anti-jamming push-rod assembly of one kind according to claim 1, which is characterized in that the reset lever with it is described multiple
It is in 30 ° -50 ° of angle between the gear of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522798.9A CN110090338A (en) | 2019-06-17 | 2019-06-17 | A kind of anti-jamming push-rod assembly for syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522798.9A CN110090338A (en) | 2019-06-17 | 2019-06-17 | A kind of anti-jamming push-rod assembly for syringe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110090338A true CN110090338A (en) | 2019-08-06 |
Family
ID=67451017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910522798.9A Pending CN110090338A (en) | 2019-06-17 | 2019-06-17 | A kind of anti-jamming push-rod assembly for syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090338A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102046226A (en) * | 2008-06-03 | 2011-05-04 | 泰尔茂株式会社 | Syringe pump |
| CN204910314U (en) * | 2015-08-25 | 2015-12-30 | 苏州麦德迅医疗科技有限公司 | Injection pump |
| CN105343967A (en) * | 2015-11-20 | 2016-02-24 | 深圳影迈科技股份有限公司 | Push-and-pull box assembly of syringe pump and syringe pump |
| CN206534955U (en) * | 2016-11-17 | 2017-10-03 | 深圳市科曼医疗设备有限公司 | Syringe pump push rod clamping jaw device |
| CN208741646U (en) * | 2017-12-30 | 2019-04-16 | 长沙迪普美医疗科技有限公司 | Syringe pushing block system and syringe pump |
| CN210873471U (en) * | 2019-06-17 | 2020-06-30 | 东莞恒丰医疗科技有限公司 | Anti-blocking push rod assembly for injection pump |
-
2019
- 2019-06-17 CN CN201910522798.9A patent/CN110090338A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102046226A (en) * | 2008-06-03 | 2011-05-04 | 泰尔茂株式会社 | Syringe pump |
| CN204910314U (en) * | 2015-08-25 | 2015-12-30 | 苏州麦德迅医疗科技有限公司 | Injection pump |
| CN105343967A (en) * | 2015-11-20 | 2016-02-24 | 深圳影迈科技股份有限公司 | Push-and-pull box assembly of syringe pump and syringe pump |
| CN206534955U (en) * | 2016-11-17 | 2017-10-03 | 深圳市科曼医疗设备有限公司 | Syringe pump push rod clamping jaw device |
| CN208741646U (en) * | 2017-12-30 | 2019-04-16 | 长沙迪普美医疗科技有限公司 | Syringe pushing block system and syringe pump |
| CN210873471U (en) * | 2019-06-17 | 2020-06-30 | 东莞恒丰医疗科技有限公司 | Anti-blocking push rod assembly for injection pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106383382B (en) | A kind of optical fiber contact and the connector using the optical fiber contact | |
| CN204123072U (en) | A kind of engine assembly equipment | |
| CN104162199A (en) | Liquid stop device for infusion pump | |
| CN105715905A (en) | Spirally walking in-pipe robot and control system thereof | |
| CN110090338A (en) | A kind of anti-jamming push-rod assembly for syringe pump | |
| CN207403832U (en) | Mobile chassis and robot | |
| GB0622835D0 (en) | A displacement conversion mechanism and actuator | |
| WO2017133098A1 (en) | Driver | |
| CN200987809Y (en) | Push injector for needle free injection | |
| CN104234560B (en) | A kind of two-way door body regression buffer device | |
| CN110843968A (en) | Brake cable lock, vehicle and locking and unlocking method of vehicle | |
| WO2024011694A1 (en) | Disposable insulin pump | |
| CN210873471U (en) | Anti-blocking push rod assembly for injection pump | |
| WO2021218776A1 (en) | Flap opening and closing device, and vehicle having same | |
| CN206468130U (en) | A kind of door lock driving device | |
| CN102722954B (en) | Electric opener for anti-theft device | |
| CN209724903U (en) | A kind of compensation hovering mechanism | |
| CN204795501U (en) | Earphone | |
| CN204739180U (en) | A arresting gear for electronic jar motor | |
| CN204225593U (en) | The automatic lock body that a kind of theftproof performance is good | |
| CN113236063A (en) | Actuating device for driving object hinged on main body to rotate | |
| CN204098640U (en) | A kind of Chest lockset structure | |
| CN209344894U (en) | A kind of quick assembling structure of driver | |
| CN209228221U (en) | A kind of portable type cipher hang lock | |
| CN207965499U (en) | Wrist-watch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |