CN102774023B - Method for preparing secondary-forming oxygen pipe - Google Patents
Method for preparing secondary-forming oxygen pipe Download PDFInfo
- Publication number
- CN102774023B CN102774023B CN201210258362.1A CN201210258362A CN102774023B CN 102774023 B CN102774023 B CN 102774023B CN 201210258362 A CN201210258362 A CN 201210258362A CN 102774023 B CN102774023 B CN 102774023B
- Authority
- CN
- China
- Prior art keywords
- diameter
- oxygen
- oxygen hose
- cylinder
- tube core
- 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.)
- Active
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a method for preparing a secondary-forming oxygen pipe. The method comprises the steps of primary forming: extruding and forming an oxygen pipe core into a required length; secondary forming: inserting a mold core in a five-petal flower mode into the extruded and formed oxygen pipe core; and carrying out vertical forming to the oxygen pipe core inserted with the mold core in a mould of which the shape is matched with that of the oxygen pipe. One oxygen pipe of which the connection tension is more than 5Kgf is produced by strictly controlling the size and the shape of the process flow injection molding, the oxygen conveying activity is carried out under the severe conditions (such as earthquake and flood-affected areas), the oxygen pipe is not pulled cut, and a high-quality medical product is provided for the large-scale rescue.
Description
The application is dividing an application of Chinese patent application CN201010297307.4.
Technical field
The present invention relates to a kind of curable product, the technical field of medical oxygen tracheae, particularly a kind of oxygen hose of post forming and the technique of post forming.
Background technology
Oxygen hose is that connection oxygen cylinder or oxygen machine carry out the pipeline of oxygen infusion to aerobic person, because the specification of oxygen cylinder is different, the amount of oxygen and the pressure that for various patients, require are also different, and the oxygen hose great majority of hospital are as industrial cable, rolling is bought, each purchase volume is larger, if also will be in order to coordinate the pressure of different oxygen infusions or other requirement and buy the oxygen hose of different size, for medical cost, is a waste.
Except the use of hospital to oxygen hose, extensive pick-up operation also will be used oxygen hose, as earthquake-stricken area, flood hit area, below the house that some the wounded are collapsed is pressed in, according to circumstances can not rescue at once, should carry out Medical treatment to these the wounded, as oxygen therapy, if now healthcare givers may not approach the wounded, can by longer oxygen hose by oxygen infusion to the wounded's body, and in the process of carrying, also to prevent oxygen hose destroyed (as the aftershock of earthquake or building collapse again), so need a kind ofly connect pulling force and the extremely strong oxygen hose of anti-pressure ability just can be finished the work.
Existing oxygen hose great majority adopt PVC material to make, and also some oxygen hose adopts other chemical materials such as acetylene tubing to prepare, and object only has one, strengthens exactly its pulling force, makes its long service life, is difficult for blocking; And except the improvement of material, many documents are all reported the enhancement Layer that tubing is added to various chemical materials, make it possess better tensile property.Sum up to get up can be described as to material itself and the improvement to meterial additive.And that this improvement has approached is substantially saturated, innovative point seldom.Thus, the shortcoming of the oxygen hose of prior art is: purposes is single, cost of idleness.
We can think deeply from other aspects, from physical angle, for stretchable material, in a docking structure, its shape, dimensional parameters and docking structure are set accurately, or little space of joint etc. is set, when recycling stretches, entering with the air of sinuous flow and headspace of air filled, and can naturally increase pulling force and the anti-pressure ability of product, makes it be difficult for deformation and fracture.For the product of this accurate preparation structure, can not adopt conventional single injection-molded, should for it, carry out specially the technique of post forming.
Summary of the invention
The invention provides a kind of oxygen hose of post forming and the technique of post forming, the technical problem of solution is: by precisely control product structure and size, change original oxygen hose shape, make it have the ability of utilizing air, connect pulling force and be greater than 5Kgf; The secondary forming process carrying out in order to produce this oxygen hose.
The present invention realizes by following technical scheme:
An oxygen hose for post forming, comprises oxygen hose tube core and oxygen tube junction, and oxygen tube junction inside is inserted respectively at the two ends of described oxygen hose tube core, and oxygen hose tube core is connected pulling force with oxygen tube junction and is greater than 5Kgf.
Described oxygen hose tube core can be tight connection with oxygen tube junction coupling part, can be also the apertured connection of tool, the transverse width in described gap be less than or equal to the two coupling part longitudinal length 1/3rd.
Described oxygen tube junction can be to be smoothly connected a kind of in joint and thread connecting joint; The oxygen tube junction at oxygen hose tube core two ends can be to be all smoothly connected joint or thread connecting joint, can be also that one end is to be smoothly connected joint, and other end is thread connecting joint.
The described external structure that is smoothly connected joint is that the cylinder that round end and diameter successively decrease gradually forms; Internal structure is that successively decrease cylinder, buffer body and diameter of infundibular body, diameter from top to bottom increases progressively cylinder, and described diameter increases progressively the diameter that cylindrical minimum diameter is greater than buffer body.
The described internal structure that is smoothly connected joint also has a distressed structure: infundibular body can be notch cuttype, and the first half diameter is constant, and the latter half is the infundibulate that diameter reduces gradually; At diameter, successively decrease and between cylinder and buffer body, add one and connect buffering ring.
The external structure of described thread connecting joint is that the cylinder that round end and diameter successively decrease gradually forms, and periphery is screw thread; Internal structure is that notch cuttype infundibular body, dicyclo body, bidentate body, two sections of diameters from top to bottom increase progressively cylinder, and the diameter of described bottom increases progressively the diameter that cylindrical minimum diameter is greater than above it and increases progressively cylindrical maximum gauge.
Described oxygen hose tube core internal structure is five-petaled flowers formula structure, and its petal is circular configuration.Can increase the anti-pressure ability of tube wall, make it when work, be full of oxygen, be difficult for blocking or fracture.
From above-mentioned syndeton, can find out, the part that oxygen hose tube core stretches into oxygen tube junction is exactly to stretch into its diameter to increase progressively barrel portion.By the syndeton of the above-mentioned shape of strict control, when recycling stretches, entering with the air of sinuous flow and headspace of air filled, and can naturally increase pulling force and the anti-pressure ability of product, makes it be difficult for deformation and fracture.
Due to the structure relative complex of this oxygen hose and special, can not carry out mould molding one time, so the present invention for can strict controlling dimension shape, specialized designs a kind of technique of post forming.
The invention also discloses a kind of secondary forming process of oxygen hose, is to realize by following step:
(1) one-shot forming: by oxygen hose tube core by extrusion molding to needed length;
(2) post forming: the inner five-petaled flowers formula core rod that inserts of oxygen hose tube core in extrusion molding, is placed in by the oxygen hose tube core that is plugged core rod the mould matching with oxygen hose shape and carries out vertical forming.
Beneficial effect of the present invention is:
(1) owing to not adopting any additional materials, cost is similar to original oxygen hose, but but can bear the pressure that original oxygen hose can not bear, and equals greatly to have saved cost.
(2) can grow distance oxygen therapy, drawing effect is good, and easy fracture, is not difficult for blocking.
Accompanying drawing explanation
Fig. 1 is the johning knot composition of the oxygen hose of post forming
Fig. 2 is the explosive view of post forming oxygen hose
Fig. 3 is the external structure that is smoothly connected joint
Fig. 4 is the profile that is smoothly connected joint
Fig. 5 is the profile of oxygen tube junction the second structure
It is the oxygen hose of thread connecting joint that Fig. 6 is one
It is the explosive view of the oxygen hose of thread connecting joint that Fig. 7 is one
Fig. 8 is the external structure of thread connecting joint
Fig. 9 is the profile of thread connecting joint
Figure 10 is the cut-away view of oxygen hose tube core
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Its detailed structure of paper.
As Fig. 1, be the johning knot composition of the oxygen hose of post forming, comprise oxygen hose tube core 1 and oxygen tube junction 2, oxygen tube junction 2 inside are inserted respectively at the two ends of described oxygen hose tube core 1.As Fig. 2, be the explosive view of post forming oxygen hose, the shape of its each parts can be found out in detail from explosive view.Test repeatedly through product, oxygen hose tube core 1 can be tight connection with oxygen tube junction 2 coupling parts, also can be the apertured connection of tool, when using the apertured connected mode of tool, the transverse width in gap be less than or equal to the two coupling part longitudinal length 1/3rd.
Described oxygen tube junction can be to be smoothly connected a kind of in joint and thread connecting joint; The oxygen tube junction at oxygen hose tube core two ends can be to be all smoothly connected joint or thread connecting joint, can be also that one end is to be smoothly connected joint, and other end is thread connecting joint.
As Fig. 3 and Fig. 4, be smoothly connected the external structure of joint and be smoothly connected the profile of joint, described in be smoothly connected joint 21 external structure be that the cylinder 212 that round end 211 and diameter successively decrease gradually forms; Internal structure is that successively decrease cylinder 214, buffer body 215 and diameter of infundibular body 213, diameter from top to bottom increases progressively cylinder 216, and the minimum diameter that described diameter increases progressively cylinder 216 is greater than the diameter of buffer body 215.
As Fig. 5, be the profile of oxygen tube junction the second structure, described in be smoothly connected joint 21 internal structure also have a distressed structure: infundibular body 213 can be notch cuttype, and the first half diameter is constant, and the latter half is the infundibulate that diameter reduces gradually; At diameter, successively decrease and between cylinder 214 and buffer body 215, add one and connect buffering ring 217.
As Fig. 6 and Fig. 7, be the oxygen hose of another kind of structure, being respectively one is that the oxygen hose of thread connecting joint and one are the explosive views of the oxygen hose of thread connecting joint.
As Fig. 8 and Fig. 9, be the external structure of thread connecting joint and the profile of thread connecting joint, the external structure of described thread connecting joint 22 is that the cylinder 222 that round end 221 and diameter successively decrease gradually forms, periphery is screw thread 223; Internal structure is that notch cuttype infundibular body 224 from top to bottom, dicyclo body 225, bidentate body 226, two sections of diameters increase progressively cylinder 227 and 228, and the minimum diameter that the diameter of described bottom increases progressively cylinder 228 is greater than the maximum gauge that diameter above it increases progressively cylinder 227.
As Figure 10, be the cut-away view of oxygen hose tube core, described oxygen hose tube core 1 internal structure is five-petaled flowers formula structure 10, its petal is circular configuration.Can increase the anti-pressure ability of tube wall, make it when work, be full of oxygen, be difficult for blocking or fracture.
From above-mentioned syndeton, can find out, the part that oxygen hose tube core stretches into oxygen tube junction is exactly to stretch into its diameter to increase progressively barrel portion.By the syndeton of the above-mentioned shape of strict control, when recycling stretches, entering with the air of sinuous flow and headspace of air filled, and can naturally increase pulling force and the anti-pressure ability of product, makes it be difficult for deformation and fracture.
Due to the structure relative complex of this oxygen hose and special, can not carry out mould molding one time, so the present invention for can strict controlling dimension shape, specialized designs a kind of technique of post forming.
(1) one-shot forming: by oxygen hose tube core by extrusion molding to needed length;
(2) post forming: the inner five-petaled flowers formula core rod that inserts of oxygen hose tube core in extrusion molding, is placed in by the oxygen hose tube core that is plugged core rod the mould matching with oxygen hose shape and carries out vertical forming.
By the following examples, the present invention will be further described.
Embodiment 1
Product: the close-connected oxygen hose of oxygen hose tube core and oxygen tube junction, both sides are all used and are smoothly connected joint.
Major part size (unit: mm): joint total length 30, infundibular body is long by 4.2, buffer body long 5.0, it is long by 11.0 that diameter increases progressively cylinder, and diameter increases progressively cylinder base diameter 6.05, buffer body middle part diameter 4.57, infundibular body top diameter 9.60, the external diameter 5.98 of oxygen hose tube core.
Embodiment 2
Product: the close-connected oxygen hose of oxygen hose tube core and oxygen tube junction, use and be smoothly connected joint on one side, use thread connecting joint on one side.
Major part size (unit: mm): be smoothly connected joint total length 30, infundibular body is long by 4.2, buffer body long 5.0, diameter increases progressively cylinder long 11.0, diameter increases progressively cylinder base diameter 6.05, buffer body middle part diameter 4.57, infundibular body top diameter 9.60; Thread connecting joint total length 31.70, it is long by 11.0 that diameter increases progressively cylinder, and it is 4.67 that upper diameter increases progressively cylinder middle part diameter, and it is 5.25 that lower diameter increases progressively cylinder middle part diameter, the external diameter 6.02 of oxygen hose tube core.
Embodiment 3
Product: the oxygen hose that oxygen hose tube core has gap to be connected with oxygen tube junction, the joint with buffering ring is all used on both sides.
Major part size (unit: mm):: be smoothly connected joint total length 30, infundibular body is long by 4.2, buffer body long 5.0, diameter increases progressively cylinder long 11.0, diameter increases progressively cylinder base diameter 6.05, buffer body middle part diameter 4.57, infundibular body top diameter 9.60; The external diameter 5.88 of oxygen hose tube core.
Embodiment 4
Product: the oxygen hose that oxygen hose tube core has gap to be connected with oxygen tube junction, use and be smoothly connected joint on one side, use thread connecting joint on one side.
Major part size (unit: mm): be smoothly connected joint total length 30, infundibular body is long by 4.2, buffer body long 5.0, diameter increases progressively cylinder long 11.0, diameter increases progressively cylinder base diameter 6.05, buffer body middle part diameter 4.57, infundibular body top diameter 9.60; Thread connecting joint total length 31.70, it is long by 11.0 that diameter increases progressively cylinder, and it is 4.67 that upper diameter increases progressively cylinder middle part diameter, and it is 5.25 that lower diameter increases progressively cylinder middle part diameter, the external diameter 5.88 of oxygen hose tube core.
The said goods is carried out to tensile test, and test result is:
Embodiment 1: can bear 8.64Kgf;
Embodiment 2: can bear 6.32Kgf;
Embodiment 3: can bear 8.58Kgf;
Embodiment 4: can bear 7.29Kgf.
Claims (3)
1. a method of preparing the oxygen hose of post forming, is characterized in that, comprises the following steps:
(1) one-shot forming: by oxygen hose tube core by extrusion molding to needed length;
(2) post forming: the inner five-petaled flowers formula core rod that inserts of oxygen hose tube core in extrusion molding, is placed in by the oxygen hose tube core that is plugged core rod the mould matching with oxygen hose shape and carries out vertical forming;
Wherein, oxygen tube junction inside is inserted respectively at the two ends of described oxygen hose tube core, and oxygen hose tube core is connected pulling force with oxygen tube junction and is greater than 5Kgf;
Described oxygen hose tube core with described oxygen tube junction coupling part for to be closely connected or the apertured connection of tool, the transverse width in described gap be less than or equal to the two coupling part longitudinal length 1/3rd;
Described oxygen tube junction is for being smoothly connected joint or thread connecting joint;
The described external structure that is smoothly connected joint is that the cylinder that round end and diameter successively decrease gradually forms; Internal structure is that successively decrease cylinder, buffer body and diameter of infundibular body, diameter from top to bottom increases progressively cylinder, and described diameter increases progressively the diameter that cylindrical minimum diameter is greater than described buffer body;
The external structure of described thread connecting joint is that the cylinder that round end and diameter successively decrease gradually forms, and periphery is screw thread; Internal structure is that notch cuttype infundibular body, dicyclo body, bidentate body, two sections of diameters from top to bottom increase progressively cylinder, and the diameter of described bottom increases progressively the diameter that cylindrical minimum diameter is greater than above it and increases progressively cylindrical maximum gauge.
2. the method for the oxygen hose of preparation post forming as claimed in claim 1, is characterized in that: described infundibular body is notch cuttype, and the first half diameter is constant, and the latter half is the infundibulate that diameter reduces gradually; At diameter, successively decrease and between cylinder and buffer body, add one and connect buffering ring.
3. the method for the oxygen hose of preparation post forming as claimed in claim 1, is characterized in that: described oxygen hose tube core internal structure is five-petaled flowers formula structure, and its petal is circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258362.1A CN102774023B (en) | 2010-09-29 | 2010-09-29 | Method for preparing secondary-forming oxygen pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258362.1A CN102774023B (en) | 2010-09-29 | 2010-09-29 | Method for preparing secondary-forming oxygen pipe |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102973074A Division CN101991895B (en) | 2010-09-29 | 2010-09-29 | Post-forming oxygen hose and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102774023A CN102774023A (en) | 2012-11-14 |
| CN102774023B true CN102774023B (en) | 2014-09-03 |
Family
ID=47119228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210258362.1A Active CN102774023B (en) | 2010-09-29 | 2010-09-29 | Method for preparing secondary-forming oxygen pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102774023B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234544Y (en) * | 1995-10-12 | 1996-09-04 | 湖北省麻城市顺河机械厂 | Quick connector for oxygen lance for metallurgy |
| CN2253210Y (en) * | 1996-03-29 | 1997-04-30 | 王文清 | Double-pipe multi-functional tracheal catheter |
| CN201094794Y (en) * | 2007-11-21 | 2008-08-06 | 王长芹 | Oxygen uptake pipe special for infant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7614401B2 (en) * | 2003-08-06 | 2009-11-10 | Paul S. Thompson | Nasal cannula assembly |
-
2010
- 2010-09-29 CN CN201210258362.1A patent/CN102774023B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234544Y (en) * | 1995-10-12 | 1996-09-04 | 湖北省麻城市顺河机械厂 | Quick connector for oxygen lance for metallurgy |
| CN2253210Y (en) * | 1996-03-29 | 1997-04-30 | 王文清 | Double-pipe multi-functional tracheal catheter |
| CN201094794Y (en) * | 2007-11-21 | 2008-08-06 | 王长芹 | Oxygen uptake pipe special for infant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102774023A (en) | 2012-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE390947T1 (en) | DIRECTABLE CATHETER AND METHOD OF PRODUCTION THEREOF | |
| CN102767651B (en) | Manufacturing equipment of three-wall corrugated pipe | |
| CN101991895B (en) | Post-forming oxygen hose and process | |
| CN102774023B (en) | Method for preparing secondary-forming oxygen pipe | |
| CN204471816U (en) | Online biaxial orientation stretching tube wave character | |
| CN203757196U (en) | Strengthened polyethylene double-wall corrugated pipe provided with multiple reinforcing ribs and inner ribs | |
| EP2056011A3 (en) | Threaded pipe connector of plastic material with reinforcing metal ring | |
| CN206656044U (en) | A kind of PVC fiber reinforcements flexible pipe | |
| CN207138627U (en) | A kind of skew T water rises mould | |
| CN202608025U (en) | Extruding machine head with reducing diameter | |
| CN210068063U (en) | Portable sleeve type pure pressure grouting plug hole packer | |
| CN202805486U (en) | Core | |
| CN104315271B (en) | Bend in one direction bellows | |
| CN204254063U (en) | A kind of structure enhancement mode PE helical double-wall corrugated tube | |
| CN104315270B (en) | Compound bending corrugated tube | |
| CN202805604U (en) | Extruding neck ring mould for improving glossiness of polyethylene pipe | |
| CN103656773B (en) | Be with the peritoneal dialysis liquid bag special purpose interface of the valve that fractures | |
| CN207229991U (en) | A kind of joint for pipe | |
| CN102032399B (en) | Discontinuous flow-preventing high-pressure hose and production process thereof | |
| CN203189911U (en) | Pipeline rapid connector | |
| CN201782963U (en) | Non-PVC (polyvinyl chloride) infusion soft bag with two-head structure | |
| CN203427308U (en) | Novel hard PVC (Poly Vinyl Chloride) die for spiral pipe | |
| CN204580781U (en) | A kind of suction pipe | |
| CN204164557U (en) | Thin-wall plastic pipe Quick connection part | |
| CN201516239U (en) | Multi-cavity reducing pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |