CN204601273U - Multi-turn delicate flow actuator - Google Patents
Multi-turn delicate flow actuator Download PDFInfo
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- CN204601273U CN204601273U CN201520240672.XU CN201520240672U CN204601273U CN 204601273 U CN204601273 U CN 204601273U CN 201520240672 U CN201520240672 U CN 201520240672U CN 204601273 U CN204601273 U CN 204601273U
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Abstract
Multi-turn delicate flow actuator, belongs to technical field of medical instruments.Shell (1) is provided with the cylindrical cavity (12) of top end opening, core (2) is regulated to be arranged in cylindrical cavity (12), core (2) is regulated to be threaded with shell (1), regulate core (2) outer wall to be provided with the flow channel (3) of the distribution in multi-circle spiral flow shape, the sectional area of flow channel (3) successively decreases along flow channel (3) initiating terminal gradually to flow channel (3) end end; Shell (1) is provided with inlet (6) and liquid outlet (7), and inlet (6) and liquid outlet (7) communicate with flow channel (3) respectively; Regulate the top of core (2) to be provided with handwheel (4), handwheel (4) is positioned at the outside of shell (1).Multi-turn delicate flow actuator of the present utility model can regulate core by multipurpose rotary, realizes precise hard_drawn tuhes infusion flow, and sealing and stability high, not easily pollute medicinal liquid in work process.
Description
Technical field
Multi-turn delicate flow actuator, belongs to technical field of medical instruments.
Background technology
Flow regulator is conventional accessory on transfusion device, for the flow velocity of liquid in control piper.Be applied to the actuator mainly brake tube formula in the transfusion device of medical and health industry at present, in the pipeline that brake tube formula actuator controls, change in time, flow easily changes, and there is the problem that obvious degree of regulation is not high, changes in flow rate is unstable in actual applications.In prior art, also existence rubber parts realizes the rotary delicate flow actuator of sealing, and add silicone oil lubrication owing to using rubber parts has stripping microgranule and silicone oil to enter medicinal liquid to there is potential safety hazard in transfusion.Although there is dial type flow regulator in prior art, its precision still cannot reach requirement: the dial plate anglec of rotation of first existing dial type flow regulator is too small, degree of regulation is too low; Secondly existing dial type flow regulator internal structure is too complicated, and dial type flow regulator small volume, too complicated internal structure causes existing dial type flow regulator to be difficult to injection mo(u)lding, and finishing room flow error is comparatively large, and yield rate is low.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of multi-turn delicate flow actuator is provided, this multi-turn delicate flow actuator can regulate core by multipurpose rotary, realize precise hard_drawn tuhes infusion flow, and sealing and stability high, not easily pollute medicinal liquid in work process.
This utility model solves the technical scheme that its technical problem adopts: this multi-turn delicate flow actuator, comprise shell and regulate core, shell is provided with the cylindrical cavity of top end opening, core is regulated to be arranged in cylindrical cavity, it is characterized in that: regulate core to be connected with outer casing screw, regulate outer core to be provided with the flow channel of the distribution in multi-circle spiral flow shape, the sectional area of flow channel successively decreases along flow channel initiating terminal gradually to flow channel end end; Shell is provided with inlet and liquid outlet, and inlet and liquid outlet communicate with flow channel respectively; Regulate the top of core to be provided with handwheel, handwheel is positioned at the outside of shell.
Described adjustment outer core is provided with the first guide thread, and the inwall of cylindrical cavity is provided with the second guide thread for connecting the first guide thread, and the second guide thread is distributed in cylindrical cavity top end opening place.
Described adjustment core inner hollow, regulate core inner to be provided with bolt, cylindrical cavity bottom is provided with the nut seat for connecting bolt.
Described cylindrical cavity inwall is provided with ringwise anticreep fin, and regulate core bottom to be provided with anti-tripping, anti-tripping outer wall is provided with the annular groove for clamping anticreep fin.
Described anticreep is fastened as hollow tubular, is anti-trippingly made up of multiple arc clamping sheet, there is gap between adjacent described clamping sheet.
The one side that described handwheel is relative with shell is provided with scale, and scale is multi-turn distribution along handwheel edge, and inlet outside is provided with scale directional beacon.
Described adjustment core is plastic material.
The cylindrical cavity inwall at inlet and liquid outlet place and the adjustment outer core at flow channel place, both are bonded to each other, to avoid fluid seepage.In many cyclic structures of the flow channel of multi-circle spiral flow shape distribution, the spacing between adjacent described cyclic structure is equal.The sectional area of flow channel successively decreases along flow channel initiating terminal gradually to flow channel end end, and the flow channel number of turns of multi-circle spiral flow shape distribution is more, and flow channel is longer, and regulate milder, namely Flow-rate adjustment is meticulousr.Overlength flow channel can adopt spiral multi-turn mode, becomes real ultraprecise flow regulator.
Compared with prior art, the beneficial effect that multi-turn delicate flow actuator of the present utility model has is:
1, this multi-turn delicate flow actuator can realize precise micro transfusion.Easy to use, flow adjustment range is wide.This utility model, along with the multipurpose rotary regulating core, makes the cross-sectional sizes connecting the flow channel imported and exported change and achieves flow-control.In one plane rotate, regulate in this utility model and to be threaded between core with shell and flow channel is designed to spiral helicine design, achieve and regulate the position relationship between core and shell by changing and regulate core by handwheel multipurpose rotary, multipurpose rotary makes the adjustment of handwheel to flow more accurate.
2, this multi-turn delicate flow actuator sealing and stability high, flow adjustment after transfusion overall process can keep stable.Collocation design that is anti-tripping and anticreep fin can ensure to regulate between core and shell and closely clamp, and prevents from regulating core and shell delamination.
3, this multi-turn delicate flow actuator is pollution-free to medicinal liquid, infusion safety.Due to without rubber parts, with post processing more environmental protection.This delicate flow actuator uses medical grade plastic injection molding machine precise injection molded, and the elasticity that make use of plastics after assembling realizes sealing.This delicate flow actuator, without rubber parts, unlubricated dose, achieves fine adjustment and controls, and ensure that the safety of transfusion is with reliable, low cost of manufacture also cuts environmental protection.
Accompanying drawing explanation
Fig. 1 is multi-turn delicate flow actuator front view.
Fig. 2 is Fig. 1 multi-turn delicate flow actuator top view.
Fig. 3 is the front view regulating core in Fig. 1 multi-turn delicate flow actuator.
Fig. 4 is Fig. 1 multi-turn delicate flow actuator view sub-anatomy.
Fig. 5 is the sectional view of multi-turn delicate flow actuator closed condition.
Fig. 6 is that multi-turn delicate flow actuator is outwarded winding the sectional view of a round state.
Fig. 7 is that multi-turn delicate flow actuator is outwarded winding the sectional view of two round states.
Fig. 8 is the view sub-anatomy that multi-turn delicate flow adjuster screw connects.
Wherein: 1, shell 2, regulate core 3, flow channel 4, handwheel 5, scale 6, inlet 7, liquid outlet 8, first guide thread 9 second guide thread 10, anti-tripping 1001, annular groove 1002, clamping sheet 11, anticreep fin 12, cylindrical cavity 13, scale directional beacon 14 bolt 15, nut seat.
Detailed description of the invention
Fig. 1 ~ 7 are most preferred embodiments of the present utility model, are described further below in conjunction with accompanying drawing 1 ~ 8 pair of this utility model.
With reference to Fig. 1 ~ 7, multi-turn delicate flow actuator of the present utility model, comprise shell 1 and regulate core 2, shell 1 is provided with the cylindrical cavity 12 of top end opening, core 2 is regulated to be arranged in cylindrical cavity 12, regulate core 2 to be threaded with shell 1, regulate core 2 outer wall to be provided with the flow channel 3 of the distribution in multi-circle spiral flow shape, the sectional area of flow channel 3 successively decreases along flow channel 3 initiating terminal gradually to flow channel 3 end end; Shell 1 is provided with inlet 6 and liquid outlet 7, and inlet 6 and liquid outlet 7 communicate with flow channel 3 respectively; Regulate the top of core 2 to be provided with handwheel 4, handwheel 4 is positioned at the outside of shell 1.The one side that handwheel 4 is relative with shell 1 is provided with scale 5, and scale 5 is multi-turn distribution along handwheel 4 edge.Inlet 6 outside is provided with scale directional beacon 13.Scale directional beacon 13 is triangular in shape.Shell 1 is plastic material.Cylindrical cavity 12 inwall at inlet 6 and liquid outlet 7 place and adjustment core 2 outer wall at flow channel 3 place, both are bonded to each other, to avoid fluid seepage.
Regulate core 2 cylindrical, regulate core 2 inner hollow.Core 2 is regulated to be plastic material.Regulate core 2 outer wall to be provided with the first guide thread 8 with reference to Fig. 1 ~ 7, the second guide thread 9, second guide thread 9 that the inwall of cylindrical cavity 12 is provided with for connecting the first guide thread 8 is distributed in cylindrical cavity 12 top end opening place.Or regulate core 2 inner hollow with reference to Fig. 1 ~ 2 and Fig. 8, regulate core 2 inside to be provided with bolt 14, cylindrical cavity 12 bottom is provided with the nut seat 15 for connecting bolt 14.Nut seat 15 is positioned at the bottom center of cylindrical cavity 12, and bolt 14 is positioned at and regulates core 2 inside center.Bolt 14 is threaded in nut seat 15.
With reference to Fig. 3 and 4, cylindrical cavity 12 inwall is provided with ringwise anticreep fin 11, and regulate core 2 bottom to be provided with anti-tripping 10, anti-tripping 10 outer walls are provided with the annular groove 1001 for clamping anticreep fin 11.The width of annular groove 1001 is greater than the width of anticreep fin 11, so that anticreep fin 11 can move around in annular groove 1001, realizes regulating core 2 to rotate the displacement between adjustment core 2 and shell 1 caused.Anti-tripping 10 one-tenth hollow tubulars, anti-tripping 10 are made up of multiple arc clamping sheet 1002, there is gap between adjacent described clamping sheet 1002.Or with reference to Fig. 5 ~ 7, anti-tripping 10 also can not design the clamping sheet 1002 that there is gap, anti-tripping 10 one-tenth cylindric, anti-tripping 10 outsides are provided with the annular groove 1001 for clamping anticreep fin 11.
Work process is as follows, inlet 6 and liquid outlet 7 connect flow channel part two ends respectively, use handwheel 4 to screw and drive adjustment core 2 to rotate, make to connect inlet 6 along with regulating the rotation of core 2 and change with the cross-sectional sizes of the flow channel 3 of liquid outlet 7, realize Flow-rate adjustment.Handwheel 4 is for holding rotation, and handwheel 4 is end face away from the one side of shell, and handwheel 4 is plane or curved surface away from the one side of shell, and handwheel 4 is printed with scale 5 away from the one side of shell, and scale 5 one-tenth multi-ring annular distributes.The design of scale directional beacon 13 is convenient to distinguish inlet 6 and liquid outlet 7, is also convenient to accurately determine the numerical value indicated by scale 5.Anti-tripping 10 of multiple arc clamping sheet 1002 composition that there is gap has larger deformability, be convenient to anti-tripping 10 produce after deformation with anticreep fin 11 clamping, and after clamping, anticreep fin 11 is difficult to deviate from from annular groove 1001.
Preferably, shell 1 and adjustment core 2 use medical grade plastic injection molding machine precise injection molded, without rubber parts, unlubricated dose, not easily pollute medicinal liquid in infusion process, and ensure that the safety of transfusion is with reliable, low cost of manufacture also cuts environmental protection.Shell 1 and after regulating core 2 to assemble, anti-tripping 10 and anticreep fin 11 elasticity that make use of plastics realize clamping sealing, regulate core 2 to be threaded with shell 1 and realize thread seal.In use flow channel 3 is not yielding to regulate core 2, and constant flow is stablized.
The above, it is only preferred embodiment of the present utility model, be not restriction this utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. multi-turn delicate flow actuator, comprise shell (1) and regulate core (2), shell (1) is provided with the cylindrical cavity (12) of top end opening, core (2) is regulated to be arranged in cylindrical cavity (12), it is characterized in that: regulate core (2) to be threaded with shell (1), regulate core (2) outer wall to be provided with the flow channel (3) of the distribution in multi-circle spiral flow shape, the sectional area of flow channel (3) successively decreases along flow channel (3) initiating terminal gradually to flow channel (3) end end; Shell (1) is provided with inlet (6) and liquid outlet (7), and inlet (6) and liquid outlet (7) communicate with flow channel (3) respectively; Regulate the top of core (2) to be provided with handwheel (4), handwheel (4) is positioned at the outside of shell (1).
2. multi-turn delicate flow actuator according to claim 1, it is characterized in that: described adjustment core (2) outer wall is provided with the first guide thread (8), the inwall of cylindrical cavity (12) is provided with the second guide thread (9) for connecting the first guide thread (8), and the second guide thread (9) is distributed in cylindrical cavity (12) top end opening place.
3. multi-turn delicate flow actuator according to claim 1, it is characterized in that: described adjustment core (2) inner hollow, regulate core (2) inside to be provided with bolt (14), cylindrical cavity (12) bottom is provided with the nut seat (15) for connecting bolt (14).
4. multi-turn delicate flow actuator according to claim 1, it is characterized in that: described cylindrical cavity (12) inwall is provided with ringwise anticreep fin (11), regulate core (2) bottom to be provided with anti-tripping (10), anti-tripping (10) outer wall is provided with the annular groove (1001) for clamping anticreep fin (11).
5. multi-turn delicate flow actuator according to claim 4, is characterized in that: described anti-tripping (10) become hollow tubular, and anti-tripping (10) are made up of multiple arc clamping sheet (1002), there is gap between adjacent described clamping sheet (1002).
6. multi-turn delicate flow actuator according to claim 1, it is characterized in that: the one side that described handwheel (4) is relative with shell (1) is provided with scale (5), scale (5) is multi-turn distribution along handwheel (4) edge, and inlet (6) outside is provided with scale directional beacon (13).
7. multi-turn delicate flow actuator according to claim 1, is characterized in that: described adjustment core (2) is plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520240672.XU CN204601273U (en) | 2015-04-21 | 2015-04-21 | Multi-turn delicate flow actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520240672.XU CN204601273U (en) | 2015-04-21 | 2015-04-21 | Multi-turn delicate flow actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204601273U true CN204601273U (en) | 2015-09-02 |
Family
ID=53953871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520240672.XU Expired - Fee Related CN204601273U (en) | 2015-04-21 | 2015-04-21 | Multi-turn delicate flow actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204601273U (en) |
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2015
- 2015-04-21 CN CN201520240672.XU patent/CN204601273U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220518 Address after: 255000 Mian 1-A, North Zone of Zibo Comprehensive Bonded Zone, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong Pusu Medical Technology Co.,Ltd. Address before: 255000 5-201, Luneng Qilin Jiayuan, No. 227, wangshe Road, Zhangdian District, Zibo City, Shandong Province Patentee before: Yu Jie |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |