CN101991895B - Post-forming oxygen hose and process - Google Patents
Post-forming oxygen hose and process Download PDFInfo
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- CN101991895B CN101991895B CN2010102973074A CN201010297307A CN101991895B CN 101991895 B CN101991895 B CN 101991895B CN 2010102973074 A CN2010102973074 A CN 2010102973074A CN 201010297307 A CN201010297307 A CN 201010297307A CN 101991895 B CN101991895 B CN 101991895B
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Abstract
The invention discloses a post-forming oxygen hose and process, belonging to the technical field of injection molding of medical products. The oxygen hose is characterized by comprising an oxygen hose core and an oxygen hose joint; the oxygen hose joint is respectively connected with two ends of the oxygen hose core; and the connection pull force of the oxygen hose core and the oxygen joint is more than 5Kgf. The invention also discloses a process for manufacturing the post-forming oxygen hose through post-forming. In the invention, through the strict control of the size and the shape molded in the process flow, the oxygen hose with connection pull force larger than 5Kgf is produced; and the oxygen hose can perform oxygen therapy under the condition of severe conditions such as earthquake and flood, and can not be snapped and medical products with high quality can be provided for the mass rescue.
Description
Technical field
The present invention relates to a kind of curable product, the technical field of medical oxygen trachea, the particularly technology of a kind of oxygen hose of post forming and post forming.
Background technology
Oxygen hose is connection oxygen cylinder or oxygen machine carry out oxygen delivery to aerobic person a pipeline; Because the specification of oxygen cylinder is different, also different to amount of oxygen and pressure that various patients require, and the oxygen hose great majority of hospital are as industrial cable; Rolling is bought; Each purchase volume is bigger, if also will buy the oxygen hose of different size for the pressure that cooperates different oxygen delivery or other requirement, is a waste for medical cost.
Except the use of hospital to oxygen hose, extensive pick-up operation also will be used oxygen hose, like 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 diagnosis and treatment, like oxygen therapy these the wounded; If this moment, the healthcare givers may not be near the wounded; Can through long oxygen hose with oxygen delivery to the wounded's body, and in the process of carrying, to prevent that also oxygen hose is destroyed (aftershock or building like earthquake collapse once more), so just 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 the PVC materials to process, and also some oxygen hose adopts other chemical materials preparations such as acetylene tubing, and purpose has only one, strengthens its pulling force exactly, 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 various chemical materials, make it possess better tensile property.Sum up and to get up can be described as to material itself with to the improvement of meterial additive.And this improvement is approaching basically saturated, and 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,, in a docking structure, its shape, dimensional parameters and docking structure are set accurately for stretchable material; Little space of joint or the like perhaps is set; Utilize the entering of air when stretching and the fills with air of sinuous flow and headspace again, can naturally increase the pulling force and the anti-pressure ability of product, make its not yielding and fracture.To this accurate preparation constructed products, can not adopt single injection-molded commonly used, should carry out the technology of post forming specially for it.
Summary of the invention
The present invention provides a kind of oxygen hose of post forming and the technology of post forming, and the technical problem of solution is: through precisely control product structure and size, change original oxygen hose shape, make it have the ability of utilizing air, connect pulling force greater than 5Kgf; The secondary forming process that carries out in order to produce this oxygen hose.
The present invention realizes through following technical scheme:
A kind of oxygen hose of post forming comprises oxygen hose tube core and oxygen tube junction, and oxygen tube junction inside is inserted at the two ends of said oxygen hose tube core respectively, and the oxygen hose tube core is connected pulling force greater than 5Kgf with oxygen tube junction.
Said oxygen hose tube core can be tight the connection with the oxygen tube junction coupling part, also can be the connection with slit, and the transverse width in said slit is smaller or equal to 1/3rd of the longitudinal length of the two coupling part.
Said oxygen tube junction can be a kind of in smooth jointing and the thread connecting joint; The oxygen tube junction at oxygen hose tube core two ends can all be smooth jointing or thread connecting joint, also can be that an end is smooth jointing, and the other end is a thread connecting joint.
The external structure of said smooth jointing is that the cylinder that round end and diameter successively decrease is gradually formed; Internal structure is that successively decrease cylinder, buffer body and diameter of from top to bottom infundibular body, diameter increases progressively cylinder, and said diameter increases progressively the diameter of cylindrical minimum diameter greater than buffer body.
The internal structure of said smooth jointing also has a distressed structure: infundibular body can be a notch cuttype, and promptly the first half diameter is constant, and the latter half is the infundibulate that diameter reduces gradually; Successively decrease between cylinder and the buffer body at diameter and to add one and connect buffering ring.
The external structure of said thread connecting joint is that the cylinder that round end and diameter successively decrease is gradually formed, and periphery is a screw thread; Internal structure is that from top to bottom notch cuttype infundibular body, dicyclo body, bidentate body, two sections diameters increase progressively cylinder, and the diameter of said bottom increases progressively cylindrical minimum diameter and increases progressively cylindrical maximum gauge greater than the diameter above it.
Said oxygen hose tube core internal structure is a five-petaled flowers formula structure, and its petal is a 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.
Can find out that from above-mentioned syndeton the part that the oxygen hose tube core stretches into oxygen tube junction is exactly to stretch into its diameter to increase progressively barrel portion.Control the syndeton of above-mentioned shape through strictness, utilize the entering and the fills with air of sinuous flow and headspace of air when stretching again, can naturally increase the pulling force and the anti-pressure ability of product, do not make it yielding and rupture.
Because the structure relative complex of this oxygen hose can not be carried out mould molding one time with special, thus the present invention for can strict controlling dimension shape, specialized designs a kind of technology of post forming.
The invention also discloses a kind of secondary forming process of oxygen hose, is to realize through following step:
(1) one-shot forming: with the oxygen hose tube core through extrusion molding to needed length;
(2) post forming:, place the mould that matches with the oxygen hose shape to carry out vertical forming the oxygen hose tube core of inserting good core rod at the inner five-petaled flowers formula core rod that inserts of the oxygen hose tube core of extrusion molding.
Beneficial effect of the present invention is:
(1) owing to do not adopt any additional materials, cost is similar with original oxygen hose, still but can bear original oxygen hose the pressure that can not bear, equal to have practiced thrift greatly cost.
(2) can grow distance oxygen therapy, drawing effect is good, and easy fracture is not difficult for blocking.
Description of drawings
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 of smooth jointing
Fig. 4 is the profile of smooth jointing
Fig. 5 is the profile of second kind of structure of oxygen tube junction
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 accompanying drawing and embodiment, the present invention is further specified.
At first introduce its detailed structure.
Like 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 at the two ends of said oxygen hose tube core 1 respectively.Like Fig. 2, be the explosive view of post forming oxygen hose, the shape of its each parts can be found out from explosive view in detail.Test repeatedly through product; Oxygen hose tube core 1 can be tight the connection with oxygen tube junction 2 coupling parts; Also can be the connection with slit, when use had the connected mode in slit, the transverse width in slit be smaller or equal to 1/3rd of the longitudinal length of the two coupling part.
Said oxygen tube junction can be a kind of in smooth jointing and the thread connecting joint; The oxygen tube junction at oxygen hose tube core two ends can all be smooth jointing or thread connecting joint, also can be that an end is smooth jointing, and the other end is a thread connecting joint.
Like Fig. 3 and Fig. 4, be the external structure of smooth jointing and the profile of smooth jointing, the external structure of said smooth jointing 21 is that round end 211 is formed with the cylinder 212 that diameter successively decreases gradually; Internal structure is that successively decrease cylinder 214, buffer body 215 and diameter of from top to bottom infundibular body 213, diameter increases progressively cylinder 216, and said diameter increases progressively the diameter of the minimum diameter of cylinder 216 greater than buffer body 215.
Like Fig. 5, be the profile of second kind of structure of oxygen tube junction, the internal structure of said smooth jointing 21 also has a distressed structure: infundibular body 213 can be a notch cuttype, and promptly the first half diameter is constant, the latter half is the infundibulate that diameter reduces gradually; Successively decrease between cylinder 214 and the buffer body 215 at diameter and to add one and connect buffering ring 217.
Like Fig. 6 and Fig. 7, be the oxygen hose of another kind of structure, being one respectively is that oxygen hose and of thread connecting joint is the explosive view of the oxygen hose of thread connecting joint.
Like Fig. 8 and Fig. 9, be the external structure of thread connecting joint and the profile of thread connecting joint, the external structure of said thread connecting joint 22 is that round end 221 is formed with the cylinder 222 that diameter successively decreases gradually, periphery is a screw thread 223; Internal structure is that notch cuttype infundibular body 224, dicyclo body 225, bidentate body 226 from top to bottom, two sections diameters increase progressively cylinder 227 and 228, and the minimum diameter that the diameter of said bottom increases progressively cylinder 228 increases progressively the maximum gauge of cylinder 227 greater than the diameter above it.
Like Figure 10, be the cut-away view of oxygen hose tube core, said oxygen hose tube core 1 internal structure is a five-petaled flowers formula structure 10, its petal is a 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.
Can find out that from above-mentioned syndeton the part that the oxygen hose tube core stretches into oxygen tube junction is exactly to stretch into its diameter to increase progressively barrel portion.Control the syndeton of above-mentioned shape through strictness, utilize the entering and the fills with air of sinuous flow and headspace of air when stretching again, can naturally increase the pulling force and the anti-pressure ability of product, do not make it yielding and rupture.
Because the structure relative complex of this oxygen hose can not be carried out mould molding one time with special, thus the present invention for can strict controlling dimension shape, specialized designs a kind of technology of post forming.
(1) one-shot forming: with the oxygen hose tube core through extrusion molding to needed length;
(2) post forming:, place the mould that matches with the oxygen hose shape to carry out vertical forming the oxygen hose tube core of inserting good core rod at the inner five-petaled flowers formula core rod that inserts of the oxygen hose tube core of extrusion molding.
Below, the present invention is further specified through embodiment.
Embodiment 1
Product: the close-connected oxygen hose of oxygen hose tube core and oxygen tube junction, smooth jointing is all used on both sides.
The 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; The top diameter 9.60 of infundibular body, the external diameter 5.98 of oxygen hose tube core.
Product: the close-connected oxygen hose of oxygen hose tube core and oxygen tube junction, Yi Bian use smooth jointing, Yi Bian use thread connecting joint.
The major part size (unit: mm): smooth jointing total length 30, infundibular body is long by 4.2, and buffer body is long by 5.0, and 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, the top diameter 9.60 of infundibular body; It is long by 11.0 that thread connecting joint total length 31.70, diameter increase 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 and oxygen tube junction have the slit to be connected, the joint with buffering ring is all used on both sides.
The major part size (unit: mm):: smooth jointing 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, the top diameter 9.60 of infundibular body; The external diameter 5.88 of oxygen hose tube core.
Embodiment 4
Product: the oxygen hose that oxygen hose tube core and oxygen tube junction have the slit to be connected, Yi Bian use smooth jointing, Yi Bian use thread connecting joint.
The major part size (unit: mm): smooth jointing total length 30, infundibular body is long by 4.2, and buffer body is long by 5.0, and 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, the top diameter 9.60 of infundibular body; It is long by 11.0 that thread connecting joint total length 31.70, diameter increase 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 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 (5)
1. the oxygen hose of a post forming comprises oxygen hose tube core and oxygen tube junction, it is characterized in that:
It is inner that said oxygen tube junction is inserted at the two ends of said oxygen hose tube core respectively, and said oxygen hose tube core is connected pulling force greater than 5Kgf with said oxygen tube junction;
Said oxygen hose tube core and said oxygen tube junction coupling part be for closely being connected or having the connection in slit, and the transverse width in said slit is smaller or equal to 1/3rd of the longitudinal length of the two coupling part;
The oxygen tube junction at said oxygen hose tube core two ends is smooth jointing, or an end is smooth jointing, and the other end is a thread connecting joint;
The cylinder that the external structure of said smooth jointing is successively decreased by round end and diameter is gradually formed; Internal structure is that successively decrease cylinder, buffer body and diameter of from top to bottom infundibular body, diameter increases progressively cylinder, and said diameter increases progressively the diameter of cylindrical minimum diameter greater than said buffer body.
2. the oxygen hose of a post forming comprises oxygen hose tube core and oxygen tube junction, it is characterized in that:
It is inner that said oxygen tube junction is inserted at the two ends of said oxygen hose tube core respectively, and said oxygen hose tube core is connected pulling force greater than 5Kgf with said oxygen tube junction;
Said oxygen hose tube core and said oxygen tube junction coupling part be for closely being connected or having the connection in slit, and the transverse width in said slit is smaller or equal to 1/3rd of the longitudinal length of the two coupling part;
The oxygen tube junction at said oxygen hose tube core two ends is a thread connecting joint, or an end is smooth jointing, and the other end is a thread connecting joint;
The external structure of said thread connecting joint is that the cylinder that round end and diameter successively decrease is gradually formed, and periphery is a screw thread; Internal structure is that from top to bottom notch cuttype infundibular body, dicyclo body, bidentate body, two sections diameters increase progressively cylinder, and the diameter of said bottom increases progressively cylindrical minimum diameter and increases progressively cylindrical maximum gauge greater than the diameter above it.
3. the oxygen hose of post forming as claimed in claim 1, it is characterized in that: said infundibular body is a notch cuttype, and promptly the first half diameter is constant, the latter half is the infundibulate that diameter reduces gradually; Successively decrease between cylinder and the buffer body at diameter and to add one and connect buffering ring.
4. the oxygen hose of post forming as claimed in claim 2, it is characterized in that: said infundibular body is a notch cuttype, and promptly the first half diameter is constant, the latter half is the infundibulate that diameter reduces gradually.
5. like the oxygen hose of the arbitrary described post forming of claim 1～4, it is characterized in that said oxygen hose tube core internal structure is a five-petaled flowers formula structure, its petal is a circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102973074A CN101991895B (en) | 2010-09-29 | 2010-09-29 | Post-forming oxygen hose and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102973074A CN101991895B (en) | 2010-09-29 | 2010-09-29 | Post-forming oxygen hose and process |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210258362.1A Division CN102774023B (en) | 2010-09-29 | 2010-09-29 | Method for preparing secondary-forming oxygen pipe |
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| Publication Number | Publication Date |
|---|---|
| CN101991895A CN101991895A (en) | 2011-03-30 |
| CN101991895B true CN101991895B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102973074A Active CN101991895B (en) | 2010-09-29 | 2010-09-29 | Post-forming oxygen hose and process |
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| CN (1) | CN101991895B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104784799A (en) * | 2015-03-13 | 2015-07-22 | 郝俊萍 | Oxygen tube special for breathing machine mask |
| CN109732945A (en) * | 2019-01-24 | 2019-05-10 | 上海伽材新材料科技有限公司 | A kind of secondary forming process of composite material |
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 |
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2010
- 2010-09-29 CN CN2010102973074A patent/CN101991895B/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 |
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| CN101991895A (en) | 2011-03-30 |
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