CN205885887U

CN205885887U - Transfusion bottle floating valve piece

Info

Publication number: CN205885887U
Application number: CN201620436433.6U
Authority: CN
Inventors: 葛士杰
Original assignee: Dongguan Precision Mould Plastic Co Ltd
Current assignee: Dongguan Precision Mould Plastic Co Ltd
Priority date: 2016-05-13
Filing date: 2016-05-13
Publication date: 2017-01-18
Anticipated expiration: 2026-05-13

Abstract

The utility model belongs to the technical field of medical equipment, specific is a transfusion bottle floating valve piece, including lower cover, film and gland, lower cover, film and gland all have circular outline and concentric the connection, the beneficial effects of the utility model reside in that, lower cover and gland are changed to instead and are detained the income form, no longer have the possibility that breaks away from, structural performance's further optimization, lower cover and gland centre bore side respectively have eight sideshake holes, when the product uses on the thin wall of film center residual medicine liquid, from the play of sideshake orifice flow, solved the long -pending defect of staying of raffinate on the film, the floating valve piece ends stifled the time balancedly stable, has the better stifled efficiency of ending, the central thin wall position of film is the flexure strip, for the not hollow heart after the assembly, utilizes lever principle, and design lower cover and gland extrude the film jointly and be in elasticity tensioning state by it, realizes the long lasting only stifled function of product.

Description

A kind of transfusion bottle float valve piece

Technical field

This utility model belongs to technical field of medical equipment, specifically refers to a kind of transfusion bottle float valve piece.

Background technology

Float valve piece is the part using on bottle transfusion apparatus in medical industry, such as Figure 10, and its function has two, one It is that to infusion fluid, the liquid level position in transfusion bottle is identified in infusion process；Two is in finally remaining rank to input medicinal liquid Only stifled air enters conduit to section, has function of safety protection.

The float valve piece using on the market at present has following defect: 1, because cooperation is not tight between parts, easily discrete；2、 Structure is defective, and only plugging function sometimes can lose efficacy, and causes malpractice.

Utility model content

This utility model in order to overcome the deficiency of prior art it is proposed that a kind of clever structure, cooperation firmly without departing from, have Preferably stop the transfusion bottle float valve piece of plugging function.

This utility model is to solve above-mentioned technical problem by following technical proposals.

A kind of transfusion bottle float valve piece, including lower cover, film and gland, described lower cover, film and gland are respectively provided with circular foreign steamer Wide and concentric connection, described film includes annular wheel hub and the center thin-walled being located in annular wheel hub, and described film is arranged on institute State between gland and described lower cover；Cover under described adjacent film medial surface be provided with film annular wheel hub outward flange is carried out fixed Four sections of raised peripheral bones of position, lower cover medial surface, adjacent film annular wheel hub inward flange are additionally provided with for supporting center thin-walled Eight sections in enclose bone, lower cover medial surface is provided with for gland is carried out stop with the back-off preventing it from departing from, and encloses bone in described eight sections Between be eight breach, described under cover and be provided with eight first through holes, described gland is provided with corresponding with first through hole eight Second through hole, the edge of described gland is additionally provided with recess corresponding with described back-off, the medial surface that described gland is adjoined with film It is convexly equipped with eight sections of ribs to annular wheel hub extruding.

As one kind improvement of this utility model transfusion bottle float valve piece, described back-off and recess are two.

As one kind improvement of this utility model transfusion bottle float valve piece, the thickness of described annular wheel hub is more than the thickness of center thin-walled Degree.

As one kind improvement of this utility model transfusion bottle float valve piece, described four sections of periphery bones are with axle center apart from identical and uniform Interval setting.

As one kind improvement of this utility model transfusion bottle float valve piece, enclose bone in described eight sections with axle center apart from identical and uniform Interval setting.

As one kind improvement of this utility model transfusion bottle float valve piece, described eight sections of ribs are with axle center between identical and uniform Every setting.

The beneficial effects of the utility model are, 1 compared with traditional product, and the work of this programme version changes further Enter, lower cover and gland use the form of buckling into instead, be not compression fit form, no longer have the possibility of disengaging；2. structural behaviour enter one Step optimizes, and lower cover and gland centre bore side respectively have eight sideshake holes, when product uses on the thin-walled of film center residual liquor, Flow out from sideshake hole, solve residual liquid on film and accumulate defect, float valve piece balance and stability when only blocking up, have and preferably stop stifled work( Effect；3. the improvement further of structural principle, the center thin-walled position of film is flexure strip, for the heart not hollow after assembling, using thick stick Rod principle, design lower cover and the common extruded films of gland allow it be in elastic tension state, when product is using the entrance residual liquid stage, Film center thin-walled position is covered in duct inlet, and film is separated into upper and lower two chambeies and forms air pressure difference, center thinner wall section Position is firmly adsorbed in duct inlet as thin film, encloses duct inlet, prevents air to enter conduit, realizes product long The only plugging function of effect.

Brief description

Fig. 1 is positive structure schematic of the present utility model.

Fig. 2 is the structural representation of a-a section in Fig. 1.

Fig. 3 is the medial surface structural representation of lower cover.

Fig. 4 is the schematic diagram of d-d section in Fig. 3.

Fig. 5 is the schematic diagram of film.

Fig. 6 is the schematic diagram of b-b section in Fig. 5.

Fig. 7 is the structural representation of gland medial surface.

Fig. 8 is the structural representation of the lateral surface of gland.

Fig. 9 is the structural representation of c-c section in Fig. 7.

Figure 10 is the application scenario diagram of transfusion bottle float valve piece.

Specific embodiment

Provide this utility model preferred embodiment below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.

As Fig. 1 to Fig. 9, a kind of embodiment of transfusion bottle float valve piece, including lower cover 1, film 2 and gland 3, described lower cover 1, glue Piece 2 and gland 3 are respectively provided with rounded outer profiles and concentric connection, and described film 2 includes annular wheel hub 22 and is located at annular wheel hub 22 Interior center thin-walled 21, described film 2 is arranged between described gland 3 and described lower cover 1；Described lower cover 1 adjoins the interior of film 2 Side is provided with four sections of raised peripheral bones 11 that film annular wheel hub 22 outward flange is positioned, lower cover 1 medial surface, adjacent glue Piece 2 annular wheel hub 22 inward flange is additionally provided with and encloses bone 12 in the eight of center thin-walled 21 sections for supporting, lower cover 1 medial surface be provided with for Gland 3 is carried out stop the back-off 13 preventing it from departing from, enclosing in described eight sections between bone 12 is eight breach 14, described lower cover 1 It is provided with eight first through holes 15 connecting with eight breach 14, described gland is provided with and eight first through holes 15 corresponding eight Individual second through hole, the edge of described gland 3 is additionally provided with recess 31 corresponding with described back-off 13, and it is adjacent that described gland 3 adjoins film The medial surface connecing is convexly equipped with eight sections of ribs 32 to annular wheel hub 22 extruding.

Described back-off and recess are two.

The thickness of described annular wheel hub is more than the thickness of center thin-walled.

Described four sections peripheral bones are arranged apart from identical and uniform intervals with axle center.

Enclose bone in described eight sections to arrange apart from identical and uniform intervals with axle center.

Described eight sections of ribs are arranged apart from identical and uniform intervals with axle center.

Operation principle:

This utility model loads film 2 in lower cover 1, then buckles into gland 3, constitutes a float valve piece finished product, structure letter Single, technique is clear, and simple structure has contained fine design concept, has used in theory of mechanics for realizing product function Many adroit.

The medial surface that lower cover 1 adjoins film 2 has four sections of peripheral bones 11, positioning when its effect is put into for film 2, under Cover 1 medial surface and also have in eight sections and enclose bone 12, its effect is eight fulcrums supporting film 2 when there is tensile deformation, under Cover 1 medial surface and also have two back-offs 13, its effect is to buckle into the recess 31 of gland 3, so that lower cover 1 and gland 3 can not possibly be divided From.

Enclose in eight sections of lower cover 1 medial surface and between bone 12, have eight breach 14, communicate with eight first through holes 15, it Effect is to ensure that no liquid residual at the center thin-walled 21 of film 2 under product use state, in the whole reconciliation of inventory of sealed condition Not crooked it is ensured that product blocks, function is sound, and none lost efficacy.

Film 2 is made up of two parts, the annular wheel hub 22 of center thin-walled 21 and periphery, and center thin-walled 21 means suitable is thinner Better, existing flexible glue general thickness can accomplish 0.15-0.25mm, and it is too high to do too thin cost, if too thick and can follow the string, Lead to the timeliness of float valve piece closure function too short.

Gland 3 edge symmetric position has two recess 31, after recess 31 buckles into back-off 13 of lower cover 1, inside gland 3 There are eight sections of ribs 32, the annular wheel hub 22 on eight sections of rib 32 compressing films 2 moves and produces change to the space part of lower cover 1 Shape, encloses the center thin-walled 21 that bone 12 supports film 2 in eight on lower cover 1 section, make the center thin-walled 21 of film 2 grown by tension force Phase is in tensioned state, prevents film 2 from losing float valve piece closure function because of the hollow heart.

Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These are merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art Member, on the premise of without departing substantially from principle of the present utility model and essence, can make numerous variations or repair to these embodiments Change, but these changes and modification each fall within protection domain of the present utility model.

Claims

1. a kind of transfusion bottle float valve piece is it is characterised in that include lower cover, film and gland, described lower cover, film and gland are respectively provided with Rounded outer profiles and concentric connection, described film includes annular wheel hub and the center thin-walled being located in annular wheel hub, described film It is arranged between described gland and described lower cover；The medial surface covering adjacent film under described is provided with outside to film annular wheel hub Four sections of raised peripheral bones that edge is positioned, lower cover medial surface, adjacent film annular wheel hub inward flange are additionally provided with for supporting Bone is enclosed, lower cover medial surface is provided with for gland is carried out stop with the back-off preventing it from departing from eight sections of center thin-walled, described eight Enclosing in section between bone is eight breach, described under cover and be provided with eight first through holes, described gland is provided with and first through hole pair Eight the second through holes answered, the edge of described gland is additionally provided with recess corresponding with described back-off, and described gland is adjoined with film Medial surface be convexly equipped with to annular wheel hub extruding eight sections of ribs.

2. transfusion bottle float valve piece according to claim 1 is it is characterised in that described back-off and recess are two.

3. transfusion bottle float valve piece according to claim 2 is it is characterised in that the thickness of described annular wheel hub is more than center thin-walled Thickness.

4. transfusion bottle float valve piece according to claim 3 it is characterised in that described four sections of peripheral bones and axle center apart from identical and Uniform intervals are arranged.

5. transfusion bottle float valve piece according to claim 4 it is characterised in that enclose in described eight sections bone and axle center apart from identical and Uniform intervals are arranged.

6. transfusion bottle float valve piece according to claim 5 it is characterised in that described eight sections of ribs with axle center apart from identical and equal Even interval setting.