CN204459325U - A kind of Pull breaking ualve - Google Patents
A kind of Pull breaking ualve Download PDFInfo
- Publication number
- CN204459325U CN204459325U CN201420264554.8U CN201420264554U CN204459325U CN 204459325 U CN204459325 U CN 204459325U CN 201420264554 U CN201420264554 U CN 201420264554U CN 204459325 U CN204459325 U CN 204459325U
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- Prior art keywords
- axle
- hole
- channel
- groove
- pod apertures
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- Expired - Fee Related
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- 239000012530 fluid Substances 0.000 claims abstract description 64
- 230000000452 restraining effect Effects 0.000 claims abstract description 39
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model provides a kind of Pull breaking ualve, comprises the valve body with pod apertures, and pod apertures outlet end inwall is provided with the first threaded mounting portion for connecting first fluid pipeline section, and valve body bottom offers the mounting groove with pod apertures inlet communication; There is fluid passage and be arranged on and break axle in mounting groove, the inwall of fluid channel inlet end being provided with the second threaded mounting portion for connecting second fluid pipeline section; Can will break the spacing O type spring in mounting groove of axle, O type spring comprises circular orientation circle and is set in the spring on circular orientation circle, break on axle outer wall and be provided with the first restraining groove, mounting groove sidewall is provided with second restraining groove relative with the first restraining groove, the first restraining groove and the second restraining groove coordinate the spacing hole being formed and be used for mounting O-shaped spring.The pulling-out force of this Pull breaking ualve is provided by the tangential deformation of O type spring, does not need to carry out precompressed during assembling, is convenient to assembling, and relatively simple for structure.
Description
Technical field
The utility model relates to valve technology field, more particularly, relates to a kind of Pull breaking ualve.
Background technique
Along with the enhancing of development in science and technology and environmental consciousness, clean energy resource rock gas more and more becomes the power fuel of the Transport Machinery such as automobile.The normal Pull breaking ualve that uses carries out aerating at present, breaks in time, ensures safe requirement during to meet urgent.
Traditional Pull breaking ualve is primarily of compositions such as air inlet nozzle, middle cover, outlet nozzle, locking ball, retaining spring, the collars, locking ball one end is compressed by retaining spring, the other end is pressed in the annular groove of outlet nozzle outer wall, and middle cover and outlet nozzle are positioned by locking ball and retaining spring.The parts of this Pull breaking ualve are more, complicated structure; And the pulling-out force of Pull breaking ualve is provided by the axial elastic deformation of the radially-arranged multiple retaining spring of circumference, make the pulling-out force conformity of Pull breaking ualve poor; Meanwhile, the power that above-mentioned retaining spring needs precompressed certain in a pre-installation, and mounting point is radial installation, is not easy to assembling.
In sum, how providing a kind of relatively simple for structure, be convenient to the Pull breaking ualve assembled, is current those skilled in the art technical problems urgently to be resolved hurrily.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of relatively simple for structure, is convenient to the Pull breaking ualve assembled.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of Pull breaking ualve, comprising:
There is the valve body of pod apertures, the outlet of described pod apertures is arranged on the end face of described valve body, the inwall of described pod apertures outlet end is provided with the first threaded mounting portion for connecting first fluid pipeline section, the bottom of described valve body offers the mounting groove with the inlet communication of described pod apertures;
There is fluid passage and be arranged on and break axle in described mounting groove, break on the bottom surface of axle described in the import of described fluid passage is arranged on, the outlet of described fluid passage and the inlet communication of described pod apertures, the inwall of described fluid channel inlet end is provided with the second threaded mounting portion for connecting second fluid pipeline section;
The spacing O type spring in described mounting groove of axle can be broken by described, described O type spring comprises circular orientation circle and is set in the spring on described circular orientation circle, described breaking on axle outer wall is provided with the first restraining groove, described mounting groove sidewall is provided with second restraining groove relative with described first restraining groove, and described first restraining groove and described second restraining groove coordinate the spacing hole formed for installing described O type spring.
Preferably, in above-mentioned Pull breaking ualve, between the bottom surface of described mounting groove and the described end face breaking axle, be also provided with exhaust cavity, the sidewall of described mounting groove be provided with the exhaust port being communicated with described exhaust cavity and described valve outer wall.
Preferably, above-mentioned Pull breaking ualve also comprises the sidewall and described the first seal ring broken between axle that are arranged on described mounting groove, between the outlet of described first seal ring in described fluid passage and described exhaust cavity; The described top exterior walls breaking axle is provided with the first installation annular groove, described first seal ring is arranged on described first and installs in annular groove.
Preferably, above-mentioned Pull breaking ualve also comprises the sidewall and described the second seal ring broken between axle that are arranged on described mounting groove, between the outlet of described second seal ring in described fluid passage and described O type spring; The described middle part outer wall breaking axle is provided with the second installation annular groove, and described second seal ring is arranged on described second and installs in annular groove.
Preferably, in above-mentioned Pull breaking ualve, described fluid passage comprises first passage, third channel and is communicated with the second channel of described first passage and described third channel, and described second threaded mounting portion is arranged on the inwall of described first passage, and described third channel is communicated with described pod apertures.
Preferably, in above-mentioned Pull breaking ualve, described third channel is perpendicular to described second channel, and described second channel and described first passage all break axle coaxial line with described, and described first passage internal diameter is greater than described second channel internal diameter; And described third channel comprises the first perpendicular horizontal channel and the second horizontal channel, both outlets are all communicated with described pod apertures.
Preferably, in above-mentioned Pull breaking ualve, described pod apertures comprises the first hole, the 3rd hole and is communicated with second hole in described first hole and described 3rd hole, and described first threaded mounting portion is arranged on the inwall in described first hole, and described 3rd hole is communicated with described third channel.
Preferably, in above-mentioned Pull breaking ualve, described first hole and described 3rd hole are all parallel to described first passage, and described second hole is perpendicular to described first hole, and described 3rd hole is the semi-circular shape hole circumferentially along described valve body.
Preferably, in above-mentioned Pull breaking ualve, described circular orientation circle has construction opening.
Preferably, in above-mentioned Pull breaking ualve, described axle of breaking comprises the first shaft part, the second shaft part and the 3rd shaft part that diameter reduces successively to top from bottom, first shaft shoulder be resisted against on the bottom surface of described valve body is formed between described first shaft part and described second shaft part, second shaft shoulder is formed between described second shaft part and described 3rd shaft part, the groove face of described mounting groove is provided with the positioning convex of locating described second shaft shoulder, described first restraining groove is arranged on the outer wall of described second shaft part.
As can be seen from above-mentioned technological scheme, the Pull breaking ualve that the utility model provides comprises valve body, breaks axle and O type spring; Wherein, valve body has pod apertures, and the outlet of pod apertures is arranged on the end face of valve body, the inwall of pod apertures outlet end is provided with the first threaded mounting portion for connecting first fluid pipeline section, and the bottom of valve body offers the mounting groove with the inlet communication of pod apertures; Break axle to be arranged in mounting groove and there is fluid passage, the import of this fluid passage is arranged on breaks on the bottom surface of axle, outlet and the inlet communication of pod apertures, the inwall of fluid channel inlet end is provided with the second threaded mounting portion for connecting second fluid pipeline section; O type spring can be spacing in mounting groove by breaking axle, it comprises circular orientation circle and is set in the spring on circular orientation circle, break on axle outer wall and be provided with the first restraining groove, above-mentioned mounting groove sidewall is provided with second restraining groove relative with the first restraining groove, and the first restraining groove and the second restraining groove coordinate the spacing hole being formed and be used for mounting O-shaped spring.
Pull breaking ualve of the present utility model is after assembling, the second restraining groove that O type spring can be fastened on the first restraining groove and valve body breaking axle coordinates in the spacing hole formed, the tangential elastic force now relying on O type spring to provide can be spacing in the mounting groove of valve body by breaking axle, makes both link together.
During application, the first threaded mounting portion on valve body is made to connect first fluid pipeline section, the second threaded mounting portion breaking axle connects second fluid pipeline section, fluid now in first fluid pipeline section can enter fluid passage from the import of breaking axle bottom surface, flow through pod apertures, flowed in second fluid pipeline section by the outlet on valve body end face.When Pull breaking ualve is subject to larger pulling force, break axle can move down under a stretching force, and then to external pressure O type spring, make O type spring outwards produce tangential deformation and depart from the first restraining groove breaking axle, thus Pull breaking ualve is disconnected automatically, be separated into valve body and break axle two-part, can prevent the personnel caused because of unexpected generation from injuring and device damage; Above-mentioned Pull breaking ualve, after breaking, manually will be broken axle and load in valve body mounting groove and can reset, and repeat to break use.
In summary, the pulling-out force of above-mentioned Pull breaking ualve is provided by the tangential deformation of O type spring, therefore do not need to carry out precompressed during assembling, and Pull breaking ualve only needs the second restraining groove O type spring clip being located at the first restraining groove and valve body of breaking axle to coordinate in the spacing hole formed when assembling, be convenient to assembling.The component of Pull breaking ualve are less, relatively simple for structure simultaneously, and cost is lower.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional view of the Pull breaking ualve that the utility model embodiment provides;
Fig. 2 is the structural representation of the O type spring that the utility model embodiment provides.
Embodiment
The utility model embodiment provides a kind of Pull breaking ualve, relatively simple for structure, is convenient to assembling.
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, for convenience of description, the two ends of valve body 1 are called top and bottom by this specification respectively, then the end face of valve body 1 refers to the end face on valve body 1 top.
Please refer to accompanying drawing 1-2, the Pull breaking ualve that the utility model embodiment provides comprises valve body 1, breaks axle 2 and O type spring 3; Wherein, valve body 1 has pod apertures, the outlet of pod apertures is arranged on the end face of valve body 1, and the inwall of pod apertures outlet end is provided with the first threaded mounting portion 15 for connecting first fluid pipeline section, the bottom of valve body 1 offers the mounting groove with the inlet communication of pod apertures; Break axle 2 to be arranged in mounting groove and there is fluid passage, the import of this fluid passage be arranged on break axle 2 bottom surface on, outlet and the inlet communication of pod apertures, the inwall of fluid channel inlet end is provided with the second threaded mounting portion 25 for connecting second fluid pipeline section; O type spring 3 can be spacing in mounting groove by breaking axle 2, it spring 32 comprising circular orientation circle 31 and be set on circular orientation circle 31, break on axle 2 outer wall and be provided with the first restraining groove, above-mentioned mounting groove sidewall is provided with second restraining groove relative with the first restraining groove, and the first restraining groove and the second restraining groove coordinate the spacing hole being formed and be used for mounting O-shaped spring 3.
Pull breaking ualve of the present utility model is after assembling, the second restraining groove that O type spring 3 can be fastened on the first restraining groove and valve body 1 breaking axle 2 coordinates in the spacing hole formed, the tangential elastic force now relying on O type spring 3 to provide can be spacing in the mounting groove of valve body 1 by breaking axle 2, makes both link together.
During application, the first threaded mounting portion 15 on valve body 1 is made to connect first fluid pipeline section, the second threaded mounting portion 25 breaking axle 2 connects second fluid pipeline section, fluid now in first fluid pipeline section can enter fluid passage from the import of breaking axle 2 bottom surface, flow through pod apertures, flowed in second fluid pipeline section by the outlet on valve body 1 end face.When Pull breaking ualve is subject to larger pulling force, break axle 2 can move down under a stretching force, and then to external pressure O type spring 3, O type spring 3 is made outwards to produce tangential deformation and depart from the first restraining groove breaking axle 2, thus Pull breaking ualve is disconnected automatically, be separated into valve body 1 and break axle 2 two-part, can prevent the personnel caused because of unexpected generation from injuring and device damage; Above-mentioned Pull breaking ualve, after breaking, manually will be broken axle 2 and load in valve body 1 mounting groove and can reset, and repeat to break use.
In summary, the pulling-out force of above-mentioned Pull breaking ualve is provided by the tangential deformation of O type spring 3, therefore do not need to carry out precompressed during assembling, and Pull breaking ualve only needs the second restraining groove O type spring 3 being fastened on the first restraining groove and valve body 1 of breaking axle 2 to coordinate in the spacing hole formed when assembling, be convenient to assembling.The component of Pull breaking ualve are less, relatively simple for structure simultaneously, and cost is lower.
For the ease of assembling, between the bottom surface of above-mentioned mounting groove and the end face breaking axle 2, be also provided with exhaust cavity 4, the sidewall of mounting groove be provided with the exhaust port 14 being communicated with exhaust cavity 4 and valve body 1 outer wall.When in mounting groove, axle 2 is broken in loading, the air in exhaust cavity 4 can be discharged to outside air by exhaust port 14, improves the negative pressure state in exhaust cavity 4, reduces the required active force applied, is conducive to the assembling of breaking axle 2.
Preferably, Pull breaking ualve also comprises the sidewall being arranged on mounting groove and the first seal ring 5 broken between axle 2, between the outlet of this first seal ring 5 in fluid passage and exhaust cavity 4; The top exterior walls breaking axle 2 is provided with the first installation annular groove, and the first seal ring 5 is arranged in the first installation annular groove.In the present embodiment, break between the top exterior walls of axle 2 and the sidewall of mounting groove and be sealed and matched by the first seal ring 5, exhaust cavity 4 and fluid passage and guide channel seal isolation can be opened, thus avoid fluid to enter exhaust cavity 4.
Further, Pull breaking ualve also comprises between the outlet in fluid passage of the sidewall being arranged on mounting groove and the second seal ring 6, second seal ring 6 broken between axle 2 and O type spring 3; The middle part outer wall breaking axle 2 is provided with the second installation annular groove, and the second seal ring 6 is arranged in the second installation annular groove.In the present embodiment, break between the middle part outer wall of axle 2 and the sidewall of mounting groove and be sealed and matched by the second seal ring 6, fluid passage and guide channel and ambient atmosphere seal isolation can be opened, so, first seal ring 5 and the second seal ring 6 coordinate can make fluid passage and guide channel form an airtight cavity, thus ensure that fluid correctly flows into pod apertures by fluid passage, effectively can avoid fluid leakage, improve functional reliability.
In the utility model one specific embodiment, fluid passage comprises first passage 21, third channel and is communicated with the second channel 22 of first passage 21 and third channel, second threaded mounting portion 25 is arranged on the inwall of first passage 21, and third channel is communicated with pod apertures.During work, the fluid in first fluid pipeline section can enter first passage 21 from first passage 21 import, flows through second channel 22 and the 3rd runner successively, then enters pod apertures.
For the ease of processing, above-mentioned third channel perpendicular to second channel 22, second channel 22 and first passage 21 all with break axle 2 coaxial line, first passage 21 internal diameter is greater than second channel 22 internal diameter; And third channel comprises the first perpendicular horizontal channel 23 and the second horizontal channel 24, both outlets are all communicated with pod apertures, as shown in Figure 1.The internal diameter of the first passage 21 of the present embodiment is comparatively large, is convenient to install first fluid pipeline section.Above-mentioned third channel is the crisscrossing channels be made up of the first perpendicular horizontal channel 23 and the second horizontal channel 24, and the fluid that second channel 22 can be made to flow out enters pod apertures along four passages simultaneously, is convenient to the flowing of fluid.
In the utility model one specific embodiment, pod apertures comprises the first hole 11, the 3rd hole 13 and is communicated with second hole 12 in the first hole 11 and the 3rd hole 13, first threaded mounting portion 15 is arranged on the inwall in the first hole 11, and the 3rd hole 13 is communicated with third channel, as shown in Figure 1.During work, the fluid flowed out from third channel can enter from the 3rd hole 13, flows through the second hole 12 and the first hole 11 successively, then flows in second fluid pipeline section.
Preferably, the first hole 11 and the 3rd hole 13 are all parallel to first passage 21, and the second hole 12 is perpendicular to the first hole 11, and the 3rd hole 13 is the semi-circular shape hole circumferentially along valve body 1, are convenient to process pod apertures.The circulation area in above-mentioned 3rd hole 13 is comparatively large, is convenient to buffer fluid, improves the stationarity of fluid flowing.
For the ease of mounting spring 32, above-mentioned circular orientation circle 31 has construction opening.As shown in Figure 2, this construction opening can also increase the tangential deformation degree of O type spring 3, is convenient to valve body 1 and breaks being separated of axle 2, further increase Security when urgency.
In order to optimize technique scheme further, break axle 2 and comprise the first shaft part, the second shaft part and the 3rd shaft part that diameter reduces successively from bottom to top, first shaft shoulder be resisted against on the bottom surface of valve body 1 is formed between first shaft part and the second shaft part, second shaft shoulder is formed between second shaft part and the 3rd shaft part, the groove face of mounting groove is provided with the positioning convex of location second shaft shoulder, the first restraining groove is arranged on the outer wall of the second shaft part.The cooperation of above-mentioned first shaft shoulder and second shaft shoulder accurately can control to break the position that axle 2 loads mounting groove, be convenient to reset and break axle 2, and the accurate contraposition of fluid passage and pod apertures can also be ensured, be also convenient to O type spring 3 simultaneously and snap onto and break in the first restraining groove of axle 2.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a Pull breaking ualve, is characterized in that, comprising:
There is the valve body (1) of pod apertures, the outlet of described pod apertures is arranged on the end face of described valve body (1), the inwall of described pod apertures outlet end is provided with the first threaded mounting portion (15) for connecting first fluid pipeline section, the bottom of described valve body (1) offers the mounting groove with the inlet communication of described pod apertures;
There is fluid passage and be arranged on and break axle (2) in described mounting groove, break on the bottom surface of axle (2) described in the import of described fluid passage is arranged on, the outlet of described fluid passage and the inlet communication of described pod apertures, the inwall of described fluid channel inlet end is provided with the second threaded mounting portion (25) for connecting second fluid pipeline section;
The spacing O type spring (3) in described mounting groove of axle (2) can be broken by described, described O type spring (3) comprises circular orientation circle (31) and is set in the spring (32) on described circular orientation circle (31), described breaking on axle (2) outer wall is provided with the first restraining groove, described mounting groove sidewall is provided with second restraining groove relative with described first restraining groove, and described first restraining groove and described second restraining groove coordinate the spacing hole formed for installing described O type spring (3).
2. Pull breaking ualve as claimed in claim 1, it is characterized in that, also be provided with exhaust cavity (4) between the bottom surface of described mounting groove and the described end face breaking axle (2), the sidewall of described mounting groove be provided with the exhaust port (14) being communicated with described exhaust cavity (4) and described valve body (1) outer wall.
3. Pull breaking ualve as claimed in claim 2, it is characterized in that, also comprise the sidewall and described the first seal ring (5) broken between axle (2) that are arranged on described mounting groove, described first seal ring (5) is positioned between the outlet of described fluid passage and described exhaust cavity (4); The described top exterior walls breaking axle (2) is provided with the first installation annular groove, described first seal ring (5) is arranged on described first and installs in annular groove.
4. Pull breaking ualve as claimed in claim 3, it is characterized in that, also comprise the sidewall and described the second seal ring (6) broken between axle (2) that are arranged on described mounting groove, described second seal ring (6) is positioned between the outlet of described fluid passage and described O type spring (3); The described middle part outer wall breaking axle (2) is provided with the second installation annular groove, and described second seal ring (6) is arranged on described second and installs in annular groove.
5. Pull breaking ualve as claimed in claim 1, it is characterized in that, described fluid passage comprises first passage (21), third channel and is communicated with the second channel (22) of described first passage (21) and described third channel, described second threaded mounting portion (25) is arranged on the inwall of described first passage (21), and described third channel is communicated with described pod apertures.
6. Pull breaking ualve as claimed in claim 5, it is characterized in that, described third channel is perpendicular to described second channel (22), described second channel (22) and described first passage (21) all break axle (2) coaxial line with described, and described first passage (21) internal diameter is greater than described second channel (22) internal diameter; And described third channel comprises perpendicular the first horizontal channel (23) and the second horizontal channel (24), both outlets are all communicated with described pod apertures.
7. Pull breaking ualve as claimed in claim 6, it is characterized in that, described pod apertures comprises the first hole (11), the 3rd hole (13) and is communicated with second hole (12) in described first hole (11) and described 3rd hole (13), described first threaded mounting portion (15) is arranged on the inwall of described first hole (11), and described 3rd hole (13) is communicated with described third channel.
8. Pull breaking ualve as claimed in claim 7, it is characterized in that, described first hole (11) and described 3rd hole (13) are all parallel to described first passage (21), described second hole (12) is perpendicular to described first hole (11), and described 3rd hole (13) is the semi-circular shape hole circumferentially along described valve body (1).
9. Pull breaking ualve as claimed in claim 1, it is characterized in that, described circular orientation circle (31) has construction opening.
10. the Pull breaking ualve as described in any one of claim 1-9, it is characterized in that, described axle (2) of breaking comprises the first shaft part, the second shaft part and the 3rd shaft part that diameter reduces successively to top from bottom, first shaft shoulder be resisted against on the bottom surface of described valve body (1) is formed between described first shaft part and described second shaft part, second shaft shoulder is formed between described second shaft part and described 3rd shaft part, the groove face of described mounting groove is provided with the positioning convex of locating described second shaft shoulder, described first restraining groove is arranged on the outer wall of described second shaft part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264554.8U CN204459325U (en) | 2014-05-22 | 2014-05-22 | A kind of Pull breaking ualve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264554.8U CN204459325U (en) | 2014-05-22 | 2014-05-22 | A kind of Pull breaking ualve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459325U true CN204459325U (en) | 2015-07-08 |
Family
ID=53666210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420264554.8U Expired - Fee Related CN204459325U (en) | 2014-05-22 | 2014-05-22 | A kind of Pull breaking ualve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488534A (en) * | 2018-05-22 | 2018-09-04 | 叶聪梅 | A kind of pipeline quick flow-breaking device |
| CN108626510A (en) * | 2018-05-22 | 2018-10-09 | 叶聪梅 | A kind of quick cutting device when pipeline goes wrong |
| US11773995B1 (en) | 2023-02-23 | 2023-10-03 | Prince Mohammad Bin Fahd University | Relief valve device |
-
2014
- 2014-05-22 CN CN201420264554.8U patent/CN204459325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488534A (en) * | 2018-05-22 | 2018-09-04 | 叶聪梅 | A kind of pipeline quick flow-breaking device |
| CN108626510A (en) * | 2018-05-22 | 2018-10-09 | 叶聪梅 | A kind of quick cutting device when pipeline goes wrong |
| US11773995B1 (en) | 2023-02-23 | 2023-10-03 | Prince Mohammad Bin Fahd University | Relief valve device |
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| Date | Code | Title | Description |
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| 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: 20150708 |