CN202812789U - Oxygen enrichment distributor of oxygen generator - Google Patents
Oxygen enrichment distributor of oxygen generator Download PDFInfo
- Publication number
- CN202812789U CN202812789U CN 201220405203 CN201220405203U CN202812789U CN 202812789 U CN202812789 U CN 202812789U CN 201220405203 CN201220405203 CN 201220405203 CN 201220405203 U CN201220405203 U CN 201220405203U CN 202812789 U CN202812789 U CN 202812789U
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- hole
- circlip
- urceolus
- fixed
- nut
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Abstract
The utility model discloses an oxygen enrichment distributor of an oxygen generator. The oxygen enrichment distributor comprises an upper cover, an outer barrel, a jacket, a spacer sleeve, a circlip for an upper hole, a circlip for a lower hole, a guide nut, a guide sleeve, a mandrel, a conical spring and a PVC (Polyvinyl Chloride) floater; the upper cover is fixed at the upper end of the outer barrel; the circlip for the upper hole is connected with and fixed in the outer barrel through an upper annular groove; the circlip for the lower hole is connected with and fixed in the outer barrel through a lower annular groove; a boss structure at the lower end of the guide nut is embedded in an axial clearance between the circlip for the upper hole and the circlip for the lower hole; the guide sleeve is connected with the guide nut through a thread; the upper end of the mandrel extends into a guide cavity of the guide sleeve, and the PVC floater is fixed at the lower end of the mandrel; the conical spring is fixed between a compressed spring nut and the PVC floater; as the mandrel always moves in the guide cavity of the guide sleeve, the PVC floater does not scrape and bump the sleeve in movement and also can not be clamped and blocked in the sleeve; and the internal structure of the whole oxygen enrichment distributor is tightly jointed and does not shift or vibrate.
Description
Technical field
The utility model relates to a kind of gas distributor, relates in particular to a kind of distributor for the oxygenerator oxygen enrichment.
Background technique
There is following defective in existing oxygenerator rich pressure-stabilizing device:
1, can not provide stable Emergency Oxygen Supply pressure.Sometimes excessive, sometimes too small.Excessive and too smallly all cannot satisfy the requirement of oxygenerator Emergency Oxygen Supply pressure.
2, maintenance is inconvenient, and the tapering interchangeability of the angle of the upper tapered float of former voltage stabilizer and sheath is bad, and if any damage, maintenance is inconvenient, and tapering is improper, can cause stuck phenomenon.
3, noise is large, long-term upper and lower the floating of float, and it is loosening internal structure to occur, during oxygenerator work, can hear very large noise outside oxygenerator.
Summary of the invention
The utility model is for above problem, and the purpose of this utility model is to guarantee to keep all the time stable pressure in the continuous situation about changing of compartment Emergency Oxygen Supply tolerance.
For reaching above purpose, be achieved through the following technical solutions:
A kind of oxygenerator oxygen enrichment distributor comprises loam cake, urceolus, sheath, interstage sleeve, upper circlip for hole, lower circlip for hole, spigot nut, guide sleeve, mandrel, cone spring and PVC float; Loam cake is provided with through hole, and the loam cake upper-end surface is provided with the output tube head that is connected with the loam cake through hole; Loam cake is fixed on the urceolus upper end; Loam cake is connected and fixed by screw thread and urceolus, and is provided with pad in loam cake lower end surface and junction, urceolus upper-end surface; The urceolus lower end surface is provided with through hole, and the urceolus lower end surface is provided with the input tube head that is connected with the urceolus through hole; The urceolus bottom is provided with sheath; Sheath and outer tube inner wall are fitted, and the center is provided with tapered through hole; Urceolus upper end inwall is processed be used to the upper annular groove of installing circlip for hole and lower circlip for hole and lower annular groove, namely go up circlip for hole and be connected and fixed by upper annular groove and urceolus, lower circlip for hole is connected and fixed by lower annular groove and urceolus; Interstage sleeve is arranged at urceolus inside, and the lower end withstands on the sheath upper-end surface, and the upper end withstands on lower circlip for hole lower end surface; The platform perforate of spigot nut lower end; Spigot nut is installed between circlip for hole and the lower circlip for hole, and namely the disk of spigot nut lower end is embedded in circlip for hole and the lower circlip for hole axial clearance; Guide sleeve is connected with spigot nut by screw thread; The circlip for hole lower end is provided with annular protrusion under the guide sleeve outer wall; Guide sleeve spigot nut upper end is provided with the tightening nut that compresses for upper circlip for hole, spigot nut and lower circlip for hole; The guide sleeve lower end surface axially is processed with the guiding cavity; The annular protrusion lower end is provided with spring pressing nut; The mandrel upper end is stretched in the guide sleeve guiding cavity, and the lower end is fixed with the PVC float; Cone spring upper end is fixed on the spring pressing nut, and the lower end is fixed on the PVC float; PVC float lower end is frustum cone structure, and can closely cooperate with the sheath coniform hole; Pad is selected Tetrafluoro spacer;
Adopted the utility model of technique scheme by the limited compression of cone spring, realize PVC float come-up, be that PVC float and sheaths separate produce the annular pass, the sectional area of annular pass is along with the variation of oxygen inlet changes thereupon, (being PVC float lifting height gives the strength size variation that the PVC float makes progress and change thereupon along with entering oxygen) guarantees that the PVC float is in the stress balance state always; Can guarantee to keep all the time pressure necessarily in the continuous situation about changing of compartment Emergency Oxygen Supply tolerance, can guarantee that again the disperse oxygen supply is not affected substantially;
In the PVC float moves up and down process, because mandrel is mobile in the guiding cavity of guide sleeve all the time, even so just guarantee that the PVC float is when air-flow is unsettled, the PVC float does not occur to hang with sleeve in movement yet and bumps, more can not tighten with sheath, locking, and the pretightening force of PVC float is provided by the cone spring, and the PVC float just can not produce any noise when moving down like this; The effect of interstage sleeve is to compress sheath, and the compact internal structure of whole oxygen enrichment distributor is fitted, and does not produce displacement, vibrations.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is cross-sectional view of the present utility model.
Among the figure: 1, loam cake, 2, urceolus, 2.1, upper annular groove, 2.2, lower annular groove, 3, sheath, 4, interstage sleeve, 5, upper circlip for hole, 6, lower circlip for hole, 7, spigot nut, 8, guide sleeve, 8.1, annular protrusion, 8.2, the guiding cavity, 9, mandrel, 10, the cone spring, 11, PVC float, 12, the output tube head, 13, pad, 14, input tube head, 15, tightening nut, 16, spring pressing nut.
Embodiment
A kind of oxygenerator oxygen enrichment distributor as shown in Figure 1 comprises: loam cake 1, urceolus 2, sheath 3, interstage sleeve 4, upper circlip for hole 5, lower circlip for hole 6, spigot nut 7, guide sleeve 8, mandrel 9, cone spring 10 and PVC float 11;
Urceolus 2 lower end surfaces are provided with through hole, and urceolus 2 lower end surfaces are provided with the input tube head 14 that is connected with urceolus 2 through holes; Urceolus 2 bottoms are provided with sheath 3; Sheath 3 is fitted with the deciphering of urceolus 2 inwalls, and the center is provided with tapered through hole; Urceolus 2 upper end inwalls are processed be used to the upper annular groove 2.1 of installing circlip for hole 5 and lower circlip for hole 6 and lower annular groove 2.2, namely go up circlip for hole 5 and be connected and fixed with urceolus 2 by upper annular groove 2.1, lower circlip for hole 6 is connected and fixed with urceolus 2 by lower annular groove 2.2; Interstage sleeve 4 is arranged at urceolus 2 inside, and the lower end withstands on sheath 3 upper-end surfaces, and the upper end withstands on lower circlip for hole 6 lower end surfaces, and interstage sleeve 4 just tightly withstands on sheath 3 urceolus 2 bottoms like this, and then prevents the vibrations of sheath 3;
Spigot nut 7 lower ends are provided with disc structure; Spigot nut 7 lower end platform perforates; Spigot nut 7 is installed between circlip for hole 5 and the lower circlip for hole 6, and namely the disk of spigot nut 7 lower ends is embedded in circlip for hole 5 and lower circlip for hole 6 axial clearances; Guide sleeve 8 is connected with spigot nut 7 by screw thread; Circlip for hole 6 lower ends are provided with annular protrusion 8.1 under guide sleeve 8 outer walls; Guide sleeve 8 spigot nuts upper end is provided with the tightening nut 15 that compresses for upper circlip for hole 5, spigot nut 7 and lower circlip for hole 6; Guide sleeve 8 lower end surfaces axially are processed with guiding cavity 8.2; Annular protrusion 8.1 lower ends are provided with spring pressing nut 16; Mandrel 9 upper ends are stretched in the guide sleeve 8 guiding cavitys 8.2, and the lower end is fixed with PVC float 11; Cone spring 10 upper ends are fixed on the spring pressing nut 16, and the lower end is fixed on the PVC float 11; PVC float 11 lower ends are frustum cone structure, and can closely cooperate with sheath 3 coniform holes;
Adopted the utility model of technique scheme, limited compression by cone spring 10 realizes PVC float 11 come-ups, be that PVC float 11 separates the generation annular pass with sheath 3, the sectional area of annular pass is along with the variation of oxygen inlet changes thereupon, (being PVC float 11 lifting heights gives the strength size variation that PVC float 11 makes progress and changes thereupon along with entering oxygen), enter like this cone spring 10 pressure that buoyancy that oxygen provides and PVC float 11 be subject to and add that self gravitation forms the equilibrium of forces state, and can guarantee that the PVC float is in the stress balance state always; Can guarantee in the continuous situation about changing of compartment Emergency Oxygen Supply tolerance, all the time keep pressure necessarily, can guarantee again the too large impact of disperse oxygen supply, cooperate with the guiding cavity 8.2 of guide sleeve 8 by mandrel 9, can not shake in the process of moving up and down to guarantee PVC float 11; And the pretightening force that presses down of PVC float 11 has cone spring 10 to provide, and the PVC float just can not produce any noise when moving down like this.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art are not within breaking away from the technical solutions of the utility model scope, appeal the equivalent embodiment that the technology contents that discloses is made a little change or is modified to equivalent variations when utilizing, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (2)
1. an oxygenerator oxygen enrichment distributor is characterized in that: comprise loam cake (1), urceolus (2), sheath (3), interstage sleeve (4), upper circlip for hole (5), lower circlip for hole (6), spigot nut (7), guide sleeve (8), mandrel (9), cone spring (10) and PVC float (11);
Described loam cake (1) is provided with through hole, and loam cake (1) upper-end surface is provided with the output tube head (12) that is connected with loam cake (1) through hole; Described loam cake (1) is fixed on urceolus (2) upper end; Described loam cake (1) is connected and fixed by screw thread and urceolus (2), and is provided with pad (13) in loam cake (1) lower end surface and urceolus (2) junction, upper-end surface;
Described urceolus (2) lower end surface is provided with through hole, and urceolus (2) lower end surface is provided with the input tube head (14) that is connected with urceolus (2) through hole; Described urceolus (2) bottom is provided with sheath (3); Described sheath (3) is fitted with urceolus (2) inwall, and the center is provided with tapered through hole; Described urceolus (2) upper end inwall is processed be used to the upper annular groove (2.1) of installing circlip for hole (5) and lower circlip for hole (6) and lower annular groove (2.2), namely go up circlip for hole (5) and be connected and fixed by upper annular groove (2.1) and urceolus (2), lower circlip for hole (6) is connected and fixed by lower annular groove (2.2) and urceolus (2);
Described interstage sleeve (4) is arranged at urceolus (2) inside, and the lower end withstands on sheath (3) upper-end surface, and the upper end withstands on lower circlip for hole (6) lower end surface;
Described spigot nut (7) lower end platform perforate; Described spigot nut (7) is installed between circlip for hole (5) and the lower circlip for hole (6), and namely the disk of spigot nut (7) lower end is embedded in circlip for hole (5) and lower circlip for hole (6) axial clearance;
Described guide sleeve (8) is connected with spigot nut (7) by screw thread; Circlip for hole (6) lower end is provided with annular protrusion (8.1) under described guide sleeve (8) outer wall; Described guide sleeve (8) spigot nut upper end is provided with the tightening nut (15) that compresses for upper circlip for hole (5), spigot nut (7) and lower circlip for hole (6); Described guide sleeve (8) lower end surface axially is processed with guiding cavity (8.2); Described annular protrusion (8.1) lower end is provided with spring pressing nut (16);
Described mandrel (9) upper end is stretched in guide sleeve (8) the guiding cavity (8.2), and the lower end is fixed with PVC float (11);
Described cone spring (10) upper end is fixed on the spring pressing nut (16), and the lower end is fixed on the PVC float (11);
Described PVC float (11) lower end is frustum cone structure, and can closely cooperate with sheath (3) coniform hole.
2. a kind of oxygenerator oxygen enrichment distributor according to claim 1, it is characterized in that: described pad (13) is selected Tetrafluoro spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405203 CN202812789U (en) | 2012-08-15 | 2012-08-15 | Oxygen enrichment distributor of oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405203 CN202812789U (en) | 2012-08-15 | 2012-08-15 | Oxygen enrichment distributor of oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812789U true CN202812789U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220405203 Expired - Fee Related CN202812789U (en) | 2012-08-15 | 2012-08-15 | Oxygen enrichment distributor of oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644683A (en) * | 2019-11-01 | 2020-01-03 | 福建标驰吊装工程有限公司 | Single steel strand connector |
-
2012
- 2012-08-15 CN CN 201220405203 patent/CN202812789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644683A (en) * | 2019-11-01 | 2020-01-03 | 福建标驰吊装工程有限公司 | Single steel strand connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130320 Termination date: 20180815 |