CN205867228U - Be used for anesthetic many flow regulator of trace - Google Patents

Abstract

The utility model provides a be used for anesthetic many flow regulator of trace, it includes casing, liquid way and adjusting part, the adjusting part is including being located the range upon range of adjustment rotation wheel who links together of a plurality of of casing and being located the outer adjust knob who is connected with the adjustment rotation wheel transmission of casing, the liquid way sets up in adjustment rotation wheel outer fringe and shells inner wall's clearance, the adjustment rotation wheel periphery is provided with the progressive dogtooth structure that is used for regulator solution way closure of a plurality of height, the position that sets up of the dogtooth structure in the adjacent adjustment rotation wheel periphery has the continuity with the tooth depth. The utility model discloses simple structure is compact, and is reliable practical, and it is convenient to make, it can realize many flow control, rapid, the accuracy, sensitive of conversion between each flow, and high operation convenience has, the utility model discloses a to the improvement of flow control subassembly and rotational positioning's control, not only make the linear of flow adjust, it is easy and simple to handle, the stability, reliability and the security that have still improved the flow control device control.

Description

A kind of various flow adjusting means for trace anesthesia

Technical field

This utility model relates to medical drug Flow-rate adjustment technology, particularly relates to a kind of various flow for trace anesthesia and adjusts Regulating device.

Background technology

Disposable portable anesthesia transfusion system in the market carries out medicinal liquid infusion by a firm discharge Automatic control watering system, when patient's feels pain because amount of liquid medicine is little, can press autocontrol switch to increase 0.5ml medicinal liquid flow, And refilling time needs 15 minutes.Because its Flow-rate adjustment is single, it is slow that flow increases, it is impossible to meets clinical needs well.

In order to simplify the convenience that clinical medication infusion controls, those skilled in the art devise and all kinds of realize various flow The device of regulation, wherein a kind of anesthesia trace as disclosed in Chinese patent ZL201510029234.3 of the relatively simple practicality of structure Infusion device, this structure uses spring force to compress the Sliding Structures up and down of flexible pipe, needs knob rotary compression spring, and rotation during use Turn in the range of being only confined to 180 degree；There are the following problems in actual use for this structure, if spring force compression flexible pipe is to control stream Amount, each thrust is different because of spring physical parameter difference, it is difficult to realizes unified linear high accuracy and controls；As due to spring Replying deformation, knob spinning movement is gruelling, increases operation easier；After rotating such as knob, it is impossible to realizing fixing, knob is easily because touching Touching and action, occur that abnormal flow inputs, safety is poor, and the anglec of rotation is limited, has not both met use habit, and operation is convenient Property is the most inadequate.

Utility model content

The purpose of this utility model is to provide a kind of various flow adjusting means for trace anesthesia, and it is tight that it has structure Gather, the feature that easy to adjust and flow control accuracy is high.

The utility model is achieved like this, a kind of for trace anesthesia various flow adjusting means, it include housing, Several are positioned at the fluid path of housing and for regulating the adjusting part of fluid flow in fluid path, and described housing both sides are provided with The position of splitter connected with fluid path and interflow part, it is characterised in that described adjusting part includes several stackings being positioned at housing Link together regulates runner and is positioned at the outer adjusting knob being in transmission connection with regulation runner of housing, and described fluid path is arranged on In the gap of regulation runner outer rim and inner walls.

Described regulation rotor periphery is provided with the double wedge structure for regulating fluid path closure that several are the most progressive.

The position that arranges of the double wedge structure in described adjacent regulation rotor periphery has seriality with tooth depth.

Described housing includes that upper shell and lower house, described upper shell are provided with for preventing adjusting knob from surprisingly rotating Positioning convex, described adjusting knob is provided with several locating slots being evenly distributed along the periphery coordinated with positioning convex.

Described adjusting part also includes turning the inclined inclined assembly of anti-rotation for preventing from regulating runner, and the inclined assembly of this anti-rotation is positioned at phase Between adjacent regulation runner and between regulation runner and adjusting knob；The inclined assembly of described anti-rotation includes the inclined draw-in groove of anti-rotation and with anti- Turn the inclined fixture block of anti-rotation of inclined card slot fit.

Preferably: it is corresponding with four tunnel fluid path respectively that described fluid path includes that at least four tunnel fluid path, described regulation runner include The regulation runner of regulation.

Preferably: the material of described fluid path, adjusting part and housing is plastics.

Preferably: described fluid path is elastomer plastic flexible pipe.

The beneficial effects of the utility model are: this utility model is simple and compact for structure, reliable and practical, easily manufactured；It can Realize various flow regulation, change rapid, accurate, sensitive between each flow, and there is the operation ease of height；This utility model By the control that the improvement of flow adjusting part and rotation are positioned, not only make the linear regulation of flow, easy and simple to handle, also Improve stability, reliability and safety that flow regulator controls.

Accompanying drawing explanation

Fig. 1 is structure isometric views of the present utility model.

Fig. 2 is section of structure of the present utility model.

Fig. 3 is the schematic diagram of adjusting part of the present utility model.

Fig. 4 is the exploded view of the upper shell of the present utility model inclined structure of anti-rotation corresponding with adjusting knob.

Detailed description of the invention

Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.

This utility model is achieved in that as shown in Figure 1, Figure 2 and Figure 3, and the described various flow for trace anesthesia is adjusted Regulating device include housing, several be positioned at the fluid path of housing and for regulating the adjusting part of fluid flow in fluid path, institute Stating housing both sides and be provided with the position of splitter 1 connected with fluid path and interflow part 2, it is structurally characterized in that；Described adjusting part includes position What several stackings in housing linked together regulates runner and is positioned at the outer tune being in transmission connection with regulation runner of housing Joint knob 11, described fluid path is arranged in the gap of regulation runner outer rim and inner walls；Based on said structure, this utility model In use, regulation runner can make 360 ° of scopes clockwise or counterclockwise under the control of adjusting knob 11 in housing, Along with the rotation of regulation runner, its peripheral side wall produces change, position from the gap that inner walls is formed in the different anglecs of rotation Fluid path in this gap will the extruding of regulated runner peripheral side wall, thus reach to control the purpose of fluid path flow；By In the regulation rotaring wheel structure using stacking to link together, each regulation runner peripheral side wall is formed with inner walls along with rotating Gap regular change all can occur, thus separately completely close (compression) or open (unclamping) fluid path completely, Thus be combined into multiple flow stage and realize the various flow regulation of medicinal liquid.

In order to improve precision and the seriality of Flow-rate adjustment, it is the most progressive that described regulation rotor periphery is provided with several For regulating the double wedge structure 14 of fluid path closure, along with the rotation of regulation runner, double wedge structure 14 also rotates with, and extrudes Fluid path, thus regulate the closure of fluid path, controls the flow of liquid in the phase that flows to；Double wedge in described adjacent regulation rotor periphery The position that arranges of structure 14 has seriality with tooth depth, so can realize the linear regulation of fluid path flow, rationally arrange same And the tooth pitch of the double wedge structure 14 in adjacent regulation rotor periphery, the regulation of fluid path flow can be divided several grades, real Existing precision and visual regulation.

In order to simplify structure, reduce assembly difficulty and improve the simplicity of Flow-rate adjustment operation, as shown in Figure 4, described shell Body is upper shell 12 and the Split type structure of lower house 13, and described housing includes upper shell 12 and lower house 13, described upper shell 12 Being provided with for preventing the unexpected positioning convex 18 rotated of adjusting knob 11, described adjusting knob 11 is provided with and positioning convex 18 Several locating slots being evenly distributed along the periphery 17 coordinated.When assembling, it is only necessary to fluid path and adjusting part are assembled, Then upper shell 12 is covered on lower house 13, connect finally by threaded fastener；In use, adjusting knob 11 Being adjusted to suitable flow position, the positioning convex 18 on upper shell 12 drops in the locating slot 17 on adjusting knob 11, fixed Position protruding 18 makes the rotary angle position of adjusting knob 11 be maintained with the common effect of locating slot 17, so that whole regulation The rotary angle position of assembly is maintained at and is not unexpectedly changed corresponding to the angle position of any one flow stage, so Flow regulator can prevent from external force from surprisingly touching causing adjusting knob 11 to rotate, it is to avoid causes the exception of medicament to flow into, and improves The safety of clinical treatment.

In order to improve the precision rotating regulation, it is to avoid rotate adjusting deviation, described adjusting part also includes for preventing tune Joint runner turns the inclined inclined assembly of anti-rotation, and the inclined assembly of this anti-rotation is between adjacent regulation runner and regulation runner revolves with regulation Between button 11；The inclined assembly of described anti-rotation includes the inclined fixture block of anti-rotation 15 that the inclined draw-in groove of anti-rotation 16 and draw-in groove inclined with anti-rotation 16 coordinate；? Being embodied as, for the inclined assembly of anti-rotation between regulation runner and adjusting knob 11, the inclined fixture block of anti-rotation 15 may be disposed at On adjusting knob 11, the inclined draw-in groove of corresponding anti-rotation 16 may be provided on the regulation runner of adjusting knob 11.Utilize anti- Turn inclined assembly, difference during the turning moment of adjusting knob 11 can be avoided to transmit between regulation runner so that adjusting knob The rotary motion of 11 can be accurately transferred to each regulation runner, improves the precision controlled.

One preferred embodiment of this utility model is: described fluid path includes at least four tunnel fluid path 3,4,5,6, described regulation Runner include respectively with the regulation runner 7,8,9,10 of the four corresponding regulations of tunnel fluid path 3,4,5,6；Described fluid path, adjusting part and The material of housing is plastics；Described fluid path is elastomer plastic flexible pipe pipe；Explain in detail below in conjunction with above-mentioned enforcement structure State its control principle and structure: above-mentioned fluid path is construed as the passage that medicinal liquid flows through, regulation runner, four roads are rationally set Fluid path can be combined into 15 flow stage, and corresponding five tunnel fluid path can be combined into more flow stage.Fluid path uses elasticity The hollow tube of body material.Four tunnel fluid path the most corresponding first flow regulation fluid path 3, second flow regulation fluid path the 4, the 3rd flow Regulation fluid path 5 and the 4th Flow-rate adjustment fluid path 6；Flexible pipe corresponding to described four tunnel fluid path is arranged in lower house 13 upper end side In the side channel of wall；Correspondingly, described regulation runner is respectively first flow regulation runner 7, second flow regulation runner 8, the 3rd Flow-rate adjustment runner 9 and the 4th Flow-rate adjustment runner 10；Four Flow-rate adjustment runners 7,8,9,10 and knob 11 form Rotate regulation system be disposed in housing assembling circular hole axial location.

In use, rotation of adjustment knob 11 as required, one of them the spherical locating slot bottom adjusting knob 11 17 when aliging with the spherical positioning convex 18 in the plane being designed in upper shell 12 front circular groove, spherical positioning convex 18 Under the effect of the elastic deformation force of plastics, enter this spherical locating slot 17, and the inclined draw-in groove of anti-rotation 16 and the inclined fixture block of anti-rotation 15 Clamping, makes the rotary angle position of adjusting knob 11 be kept and unexpectedly not changed.

The double wedge structure 14 being now correspondingly arranged on four Flow-rate adjustment runners 7,8,9,10 can be following preferably design Structure: the position without double wedge of first flow regulation runner 7 forms gap with lower house 13 upper end sidewall, and this bigger gap makes first Flow-rate adjustment fluid path 3 is not crushed and is in the complete opening state that unclamps；And second flow regulation runner the 8, the 3rd flow is adjusted The double wedge position of joint runner the 9, the 4th Flow-rate adjustment runner 10 forms gap with lower house 13 upper end sidewall, and this relatively small gap is respectively Make second flow regulation fluid path the 4, the 3rd Flow-rate adjustment fluid path the 5, the 4th Flow-rate adjustment fluid path 6 be in and compacted completely close shape State, now the flow of liquid outlet is only the flow of first flow regulation fluid path 3；In like manner, along with the rotation of adjusting knob 11, first Double wedge position to the 4th Flow-rate adjustment runner presents consecutive variations successively, in the first to the 4th corresponding Flow-rate adjustment fluid path Fluid flow realizes Linear Control change.Based on above-mentioned principle, rationally arranging regulation runner, four tunnel fluid path can be combined into 15 Individual flow stage, five tunnel fluid path then can be combined into more flow stage, four the most representative tunnel fluid path specifically correspondence Controlling magnitude form as shown in table 1, it lists the anglec of rotation corresponding to various flows magnitude and each fluid path is open and close State；The preferably anglec of rotation difference of adjacent flow magnitude is 24 °, and the change of such larger angle can be significantly by patient Or the perception of doctor institute；Can make continuously clockwise or counterclockwise 360 ° of scopes due to adjusting knob 11 again so that this The operation ease of utility model is greatly improved.

This utility model make use of the simple principle of " putting the beeline of straight line is vertical dimension ", make regulation runner 7, 8, the cylindrical sidewall of 9,10 rotates to the gap formed from lower house 13 upper end sidewall time " vertical dimension " in the different anglecs of rotation Degree produces change, reaches separately completely close (compression) or open (unclamping) fluid path completely, thus is combined into multiple stream Magnitude and realize medicinal liquid various flow regulation.Due to regulation runner 7,8,9,10 cylindrical sidewall only rotate to " vertically away from From " time just jointly act on lower house 13 upper end sidewall and separately completely close (compression) or open (unclamping) liquid completely Road, when not being rotated into " vertical dimension " or have been moved off " vertical dimension ", Flow-rate adjustment fluid path 3,4,5,6 is in material itself Resilience force effect under recover to complete opening state so that whole regulation stable performance and sensitive；

Table 1

NoteFluid path is open-minded；Fluid path is closed.

Claims (8)

1. for trace anesthesia a various flow adjusting means, it include housing, several be positioned at housing fluid path and For regulating the adjusting part of fluid flow in fluid path, described housing both sides are provided with the position of splitter (1) connected with fluid path and close Stream part (2), it is characterised in that:

Described adjusting part includes being positioned at regulation runner that several stackings of housing link together and is positioned at outside housing The adjusting knob (11) being in transmission connection with regulation runner, described fluid path is arranged on the gap of regulation runner outer rim and inner walls In.

2. the various flow adjusting means for trace anesthesia as claimed in claim 1, it is characterised in that outside described regulation runner It is provided with several the most progressive double wedge structures (14) for regulating fluid path closure week.

3. the various flow adjusting means for trace anesthesia as claimed in claim 2, it is characterised in that described adjacent regulation turns The position that arranges of the double wedge structure (14) on wheel periphery has seriality with tooth depth.

4. the various flow adjusting means for trace anesthesia as described in any one in claim 1-3, it is characterised in that institute Stating housing and include upper shell (12) and lower house (13), described upper shell (12) is provided with for preventing adjusting knob (11) unexpected The positioning convex (18) rotated, it is the most uniform that described adjusting knob (11) is provided with several that coordinate with positioning convex (18) The locating slot (17) of arrangement.

5. the various flow adjusting means for trace anesthesia as described in any one in claim 4, it is characterised in that described Adjusting part also includes turning the inclined inclined assembly of anti-rotation for preventing from regulating runner, and the inclined assembly of this anti-rotation is positioned at adjacent regulation runner Between and regulation runner and adjusting knob (11) between；

The inclined assembly of described anti-rotation includes the inclined fixture block of the anti-rotation (15) that the inclined draw-in groove of anti-rotation (16) and draw-in groove inclined with anti-rotation (16) coordinate.

6. the various flow adjusting means for trace anesthesia as claimed in claim 5, it is characterised in that described fluid path include to Few four tunnel fluid path (3,4,5,6), described regulation runner include respectively with the regulation runner of four tunnel fluid path (3,4,5,6) corresponding regulation (7、8、9、10)。

7. the various flow adjusting means for trace anesthesia as claimed in claim 6, it is characterised in that described fluid path, regulation The material of assembly and housing is plastics.

8. the various flow adjusting means for trace anesthesia as claimed in claim 7, it is characterised in that described fluid path is elastic Body plastic flexible pipe.