CN202954941U - Automatic pressure relief device for humidifier - Google Patents
Automatic pressure relief device for humidifier Download PDFInfo
- Publication number
- CN202954941U CN202954941U CN 201220716597 CN201220716597U CN202954941U CN 202954941 U CN202954941 U CN 202954941U CN 201220716597 CN201220716597 CN 201220716597 CN 201220716597 U CN201220716597 U CN 201220716597U CN 202954941 U CN202954941 U CN 202954941U
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- head
- inflating rod
- rod
- exhaust passage
- mounting hole
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Abstract
The utility model relates to an automatic pressure relief device for a humidifier, which is used for the manually inflated and pressurized humidifier, and solves the defect that the gas storage cylinder easily cracks and even hurts a person when the conventional humidifier is excessively inflated and pressurized. The device is characterized in that a piston rod consists of an inflating rod and a piston head sleeved on the head of the inflating rod, wherein the inflating rod is a hollow rod of which two ends are opened; the tail of the inflating rod is opened and is communicated with the outside; an exhaust passage is formed in the piston head; an upper end outlet of the exhaust passage is positioned on the top end surface of the piston head, and a lower end outlet of the exhaust passage is positioned on the connecting end surface in which the bottom of the piston head is in butted connection with the head of the inflating rod; an automatic pressure relief mechanism capable of elastically opening and closing the lower end outlet of the exhaust passage is arranged between the inflating rod and the piston head; and a sealing ring is sleeved in a mounting groove formed in the side wall of the piston head along the circumferential direction. The device can automatically relieve pressure to reduce the pressure in the gas storage cylinder, so that the safety of the gas storage cylinder is ensured, and the gas storage cylinder is prevented from cracking and even hurting the person.
Description
Technical field
The utility model relates to humidifier, particularly a kind of humidifier automatic decompression device used on the humidifier of Manual inflating pressurization.
Background technique
The pump that need to arrange by the air cylinder bottom when humidifier of existing Manual inflating pressurization uses is to inflating supercharging in bottle, this humidifier with pump due to self without pressure relief device, inflate pressurization to air cylinder continuously in use and be easy to that supercharging is excessive causes the bottle even explosion of ftractureing, very easily the user is caused to unexpected personal injury.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the excessive rear technological deficiency that the air cylinder cracking is even hurted sb.'s feelings that occurs of pressurizeing of inflating on the humidifier that has Manual inflating now, a kind of humidifier automatic decompression device is provided, described device can surpass limit value at air cylinder pressure and carry out releasing pressure automatically to reduce pressure of the inside of a bottle, guarantee the safety of air cylinder, avoid the air cylinder even generation of casualty accident of ftractureing.
For achieving the above object, the technical solution adopted in the utility model: humidifier automatic decompression device, comprise a piston rod and be placed in the outer inflator of piston rod, pore is opened on the inflator top, the inflator top is provided with the sealing cover that can cover vent, piston rod head circumferentially fluting is nested with the seal ring mated with the inflator internal diameter, it is characterized in that described piston rod is comprised of inflating rod and the piston head that is socketed on the inflating rod head, inflating rod is the uncovered hollow stem in two ends, the uncovered connection of inflating rod afterbody is extraneous, be provided with exhaust passage in piston head, the outlet of upper end, exhaust passage is positioned at piston head top end face, the outlet of lower end, exhaust passage is positioned at the connecting end surface of piston head bottom and the docking of inflating rod head, be provided with between inflating rod and piston head and can elasticity open and close the automatic pressure releasing mechanism that the lower end, exhaust passage exports, institute's seal ring is placed in the piston head sidewall along in the mounting groove of circumferentially offering.The utility model is divided into two sections by piston rod and connects and at the joint of two sections, automatic pressure releasing mechanism is set and come elasticity to open and close exhaust passage, control the pressure of inflating of pump, inflate pressure while surpassing the safety pressure value that air cylinder sets when pump, open the pump pressure release exhaust passage, the inflate pressure decreased of pump to air cylinder, portion gas is discharged to the external world by inflating rod, guarantees the safety range that pressure that air cylinder bears is limiting.
As further improving and supplementing technique scheme, the utility model adopts following technical measures: described automatic pressure releasing mechanism comprises that a laminating blocks the Sealing of lower end, exhaust passage outlet and upwards prop up the elastic component of Sealing, and described inflating rod head upwards contacts and props up elastic component.Upwards prop up by establish mounting hole placement elastic component at the inflating rod head elasticity switching that Sealing realizes that automatic pressure releasing mechanism exports the lower end, exhaust passage, just can promote when inflating when pressure surpasses the safety pressure value that air cylinder sets that Sealing moves down and make elastic component produce simultaneously is out of shape, now pressure release is opened in exhaust passage; When inflate pressure be reduced to the safety pressure value when following elastic component restore upwards to promote on Sealing to move to reset and again block the outlet of lower end, exhaust passage, now the end pressure release is closed in exhaust passage.
Described elastic component is arranged in the axial mounting hole that the inflating rod head arranges, and the mounting hole bottom surface upwards props up elastic component, and on the mounting hole bottom surface, perforate is uncovered to downward-extension connection inflating rod afterbody.Elastic component is located in axial mounting hole and can be guaranteed elastic component anamorphic stretching or shortening in the axial direction, guarantees that the Sealing propped up by elastic component does stable moving up and down.
Described Sealing is a spherical sealing element mated with the mounting hole aperture size, and described elastic component is spring.Spherical sealing element size and mounting hole aperture size coupling, during installation, by pretensioned spring, can make Sealing partly be pressed in mounting hole to guarantee that the mounting hole that Sealing extends vertically moves around, guarantee that the Sealing normal operation opens and closes exhaust passage, prevent that the Sealing sideslip from affecting the automatic pressure releasing mechanism normal operation; Spring facilitates manufacturing as elastic component, by the thickness that changes spring and the pump that length can also be mated various different sizes, uses.
The axial mounting hole bottom surface of described inflating rod head setting is provided with a boss and elastic component coupling, described elastic component lower end is placed on boss, form circular groove together between boss and mounting hole sidewall, on described mounting hole bottom surface, the perforate end face is positioned at the end face of boss.Under boss and circular groove acting in conjunction, elastic component is that the spring lower end can be enclosed within on boss, by boss, coordinates circular groove upwards to prop up elastic component by spring location placed in the middle, and the using effect of spring is better.
Lower end, described exhaust passage goes out the cambered surface of energy of interruption-forming and the laminating of Sealing top.The lower end, exhaust passage goes out can the fit cambered surface on spherical sealing element top of interruption-forming can improve the lower end, exhaust passage and export sealing effect when airtight, and when Sealing is installed more easy location, Sealing is difficult for sideslip.
Described inflating rod and piston head are for being threaded, and the inflating rod head stretches in the mounting hole of offering the piston head bottom, on described mounting hole sidewall and inflating rod head side wall, is respectively equipped with corresponding internal thread and outside thread.Inflating rod and piston head adopt convenient installation that be threaded, both firm and reliable connection.
The utility model changes piston rod construction and is divided into two sections and connects and at the joint of two sections, automatic pressure releasing mechanism is set and come elasticity to open and close exhaust passage, that controls pump inflates the safety pressure value of pressure lower than air cylinder, guarantee the safe handling of air cylinder, avoid that pressure is excessive causes the air cylinder even generation of casualty accident of ftractureing because inflate.
The accompanying drawing explanation
Fig. 1: structural representation of the present utility model.
In figure: 1. sealing cover, 2. inflator, 3. seal ring, 4. Sealing, 5. exhaust passage, 6. piston head, 7. inflating rod, 8. elastic component, 9. air cylinder, 10. vent, 11. boss, 12. circular grooves.
Embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the utility model is further described.
As shown in Figure 1, the humidifier automatic decompression device, comprise a piston rod and be placed in the outer inflator 2 of piston rod, pore 10 is opened on the inflator top, inflator 2 tops are provided with the sealing cover 1 that can cover vent 10, described piston rod is comprised of inflating rod 7 and the piston head 6 that is socketed on the inflating rod head, inflating rod 7 is the uncovered hollow stem in two ends, inflating rod 7 and piston head 6 are for being threaded, inflating rod 7 heads stretch in the mounting hole of offering piston head 6 bottoms, be respectively equipped with corresponding internal thread and outside thread on described mounting hole sidewall and inflating rod 7 head side wall, the uncovered connection of inflating rod 7 afterbody is extraneous, be provided with exhaust passage 5 in piston head 6, exhaust passage 5 upper end outlets are positioned at piston head 6 top end faces, exhaust passage 5 lower end outlets are positioned at the connecting end surface of piston 6 bottoms and inflating rod 7 head docking, piston head 6 sidewalls have seal ring 3 along the mounting groove inner sleeve of circumferentially offering, be provided with between inflating rod 7 and piston head 6 and can elasticity open and close the automatic pressure releasing mechanism that 5 lower ends, exhaust passage export, comprise that a laminating blocks the Sealing 4 of exhaust passage 5 lower ends outlets and upwards prop up the elastic component 8 of Sealing 4, elastic component 8 is spring, Sealing 4 is spherical in shape, inflating rod 7 heads upwards contact prop up elastic component 8, elastic component 8 is arranged in the axial mounting hole that inflating rod 7 heads arrange, axially the mounting hole bottom surface is provided with a boss 11 and elastic component 8 couplings, form circular groove 12 together between boss 11 and mounting hole sidewall, on the end face of boss 11, perforate is uncovered to downward-extension connection inflating rod 7 afterbodys, described elastic component 8 is that the spring lower end is placed on boss 11 and upwards props up elastic component 8, on the mounting hole bottom surface, be that on the boss end face, perforate is uncovered to downward-extension connection inflating rod 7 afterbodys, the size of spherical sealing element 4 and mounting hole aperture size coupling, 5 lower ends, described exhaust passage go out the cambered surface of energy of interruption-forming and Sealing 4 top laminatings.
During use, as the humidifier of conventional Manual inflating pressurization, inflator 2 is contained in the bottom of air cylinder 9, and inflator stretches in air cylinder 9.Normally repeatedly draw and push away inflating rod 7 constantly to inflating pressurization in air cylinder 9, sealing cover 1 can guarantee that air enters upwards unidirectional squeeze into air cylinder 9 of jack-up sealing cover and can not flow backwards out from vent 10, just can promote Sealing 4 and move down and make simultaneously elastic component 8 compressive strains when inflating when pressure surpasses the safety pressure value that air cylinder sets, pressure release is opened in now exhaust passage 5 lower end outlets, the inflate pressure decreased of pump to air cylinder 9, portion gas is discharged to the external world from the inflating rod afterbody by the inflating rod 7 of hollow, guarantee the safety range that pressure that air cylinder 9 bears is limiting, when inflate pressure be reduced to the safety pressure value when following elastic component 8 restore elongation and upwards promote on Sealing 4 that moving resets blocks exhaust passage 5 lower ends outlets again, now the end pressure release is closed in exhaust passage 5.
Claims (7)
1. humidifier automatic decompression device, comprise a piston rod and be placed in the outer inflator (2) of piston rod, pore (10) is opened on the inflator top, inflator (2) top is provided with the sealing cover (1) that can cover vent (10), the piston rod head seal ring (3) that circumferentially fluting is nested with and inflator (2) internal diameter mates, it is characterized in that described piston rod is comprised of inflating rod (7) and the piston head (6) that is socketed on the inflating rod head, inflating rod (7) is the uncovered hollow stem in two ends, the uncovered connection of inflating rod (7) afterbody is extraneous, be provided with exhaust passage (5) in piston head (6), the outlet of upper end, exhaust passage (5) is positioned at piston head (6) top end face, the outlet of lower end, exhaust passage (5) is positioned at the connecting end surface of piston (6) bottom and the docking of inflating rod (7) head, be provided with between inflating rod (7) and piston head (6) and can elasticity open and close the automatic pressure releasing mechanism that lower end, exhaust passage (5) exports, institute's seal ring (3) is placed in piston head (6) sidewall along in the mounting groove of circumferentially offering.
2. humidifier automatic decompression device according to claim 1, it is characterized in that described automatic pressure releasing mechanism comprises that a laminating blocks the Sealing (4) of lower end, exhaust passage (5) outlet and upwards prop up the elastic component (8) of Sealing (4), described inflating rod (7) head upwards contacts and props up elastic component (8).
3. humidifier automatic decompression device according to claim 2, it is characterized in that described elastic component (8) is arranged in the axial mounting hole that inflating rod (7) head arranges, the mounting hole bottom surface upwards props up elastic component (8), and on the mounting hole bottom surface, to be communicated with inflating rod (7) afterbody to downward-extension uncovered in perforate.
4. humidifier automatic decompression device according to claim 3, is characterized in that described Sealing (4) is a spherical sealing element mated with the mounting hole aperture size, and described elastic component (8) is spring.
5. humidifier automatic decompression device according to claim 4, the axial mounting hole bottom surface that it is characterized in that described inflating rod (7) head setting is provided with a boss (11) and elastic component (8) coupling, described elastic component (8) lower end is placed on boss (11), form circular groove (12) together between boss and mounting hole sidewall, on described mounting hole bottom surface, the perforate end face is positioned at the end face of boss (11).
6. according to the described humidifier automatic decompression device of claim 4 or 5, it is characterized in that lower end, described exhaust passage (5) goes out the cambered surface of energy of interruption-forming and the laminating of Sealing (4) top.
7. according to the described humidifier automatic decompression device of any one in claim 1 to 5, it is characterized in that described inflating rod (7) and piston head (6) are for being threaded, inflating rod (7) head stretches in the mounting hole of offering piston head (6) bottom, on described mounting hole sidewall and inflating rod (7) head side wall, is respectively equipped with corresponding internal thread and outside thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716597 CN202954941U (en) | 2012-12-21 | 2012-12-21 | Automatic pressure relief device for humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716597 CN202954941U (en) | 2012-12-21 | 2012-12-21 | Automatic pressure relief device for humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202954941U true CN202954941U (en) | 2013-05-29 |
Family
ID=48460517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220716597 Expired - Fee Related CN202954941U (en) | 2012-12-21 | 2012-12-21 | Automatic pressure relief device for humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202954941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564614A (en) * | 2013-10-24 | 2015-04-29 | 科际器材工业股份有限公司 | Automatic decompressing pump |
| US9739271B2 (en) | 2013-10-24 | 2017-08-22 | Koge Electronics Co., Ltd | Automatic depressurizing pump |
-
2012
- 2012-12-21 CN CN 201220716597 patent/CN202954941U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564614A (en) * | 2013-10-24 | 2015-04-29 | 科际器材工业股份有限公司 | Automatic decompressing pump |
| CN104564614B (en) * | 2013-10-24 | 2017-04-19 | 科际器材工业股份有限公司 | Automatic decompressing pump |
| US9739271B2 (en) | 2013-10-24 | 2017-08-22 | Koge Electronics Co., Ltd | Automatic depressurizing pump |
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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 |
Granted publication date: 20130529 Termination date: 20171221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |