CN117128346A - Explosion-proof valve inside - Google Patents
Explosion-proof valve inside Download PDFInfo
- Publication number
- CN117128346A CN117128346A CN202311399146.3A CN202311399146A CN117128346A CN 117128346 A CN117128346 A CN 117128346A CN 202311399146 A CN202311399146 A CN 202311399146A CN 117128346 A CN117128346 A CN 117128346A
- Authority
- CN
- China
- Prior art keywords
- core
- explosion
- proof
- sealing ring
- air leakage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 238000009434 installation Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims 2
- 238000004880 explosion Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The application discloses an explosion-proof valve core, which belongs to the field of valve cores and comprises a core body, wherein a through hole is formed in the center of the core body; a core bar is arranged in the through hole; an axial air leakage channel is arranged in the center of one end of the core rod; a plurality of radial air leakage channels are arranged on the core rod positioned in the through hole, and the radial air leakage channels are communicated with the axial air leakage channels; the core rod provided with the radial air leakage channel is sleeved with the explosion-proof sealing ring, and the explosion-proof sealing ring can seal the radial air leakage channel.
Description
Technical Field
The application relates to the field of valve cores, in particular to an explosion-proof valve core.
Background
Along with the high-speed development of Chinese economy, the automobile industry is driven to develop vigorously. Among them, in the automotive industry, the safety protection system is an important subsystem, and related technologies are updated in continuous iteration. The tire valve core is used as a sealing part of the tire, the safety performance of the vehicle is directly influenced, the relationship between the road surface environment and the temperature change is also influenced, the pressure of the tire can fluctuate in the running process of the vehicle, the current tire pressure monitoring system is popularized, the problem of abnormal alarming of the tire pressure is solved, but the tire burst phenomenon caused by the tire pressure can not be fundamentally solved, and the main problem is that the tire pressure monitoring system has no high-pressure air leakage function. The novel structure of the application can solve the problem that the pressure of the tire is released under the condition of exceeding the upper limit, and the valve core is closed under the action of the valve core after the pressure is recovered to the normal pressure, thereby ensuring the normal operation of the tire and playing the role of safety protection.
In view of the above problems of the prior art, the present application combines years of design and use experience in the related art, aided by excessively strong expertise, to design and manufacture an explosion-proof valve core, so as to overcome the above drawbacks.
Disclosure of Invention
The explosion-proof valve core provided by the application can realize pressure relief of the tire under the condition that the pressure exceeds the upper limit, and the tire is closed after the normal pressure is recovered, so that the normal operation of the tire is ensured, and the function of safety protection is realized.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows: an explosion-proof valve core comprises a core body, wherein a through hole is formed in the center of the core body;
a core bar is arranged in the through hole;
an axial air leakage channel is arranged in the center of one end of the core rod;
a plurality of radial air leakage channels are arranged on the core rod positioned in the through hole, and the radial air leakage channels are communicated with the axial air leakage channels;
an explosion-proof sealing ring is sleeved on the core rod provided with the radial air leakage channel, and the explosion-proof sealing ring can seal the radial air leakage channel.
Preferably, at least two radial air leakage channels are uniformly distributed on the circumference.
Preferably, an annular positioning groove is formed in the core bar provided with the radial air leakage channel, and the explosion-proof sealing ring is positioned in the annular positioning groove.
Preferably, the height of the annular positioning groove is larger than that of the explosion-proof sealing ring.
Preferably, the outer diameter of the explosion-proof sealing ring sleeved in the annular positioning groove is smaller than the inner diameter of the through hole.
Preferably, the core rod comprises a large-diameter section at one end and a small-diameter section at the other end, and the through hole is positioned in the large-diameter section.
Preferably, the end part of the core rod end provided with the axial air leakage channel is provided with an annular sealing groove, a sealing gasket is arranged in the annular sealing groove, and the sealing gasket is driven to move up and down by the core rod so as to open or close the through hole at the lower end of the core body.
Preferably, a core cap is installed at one end of the core body, the core rod sequentially penetrates through the core body and the core cap, and a gap is formed between the core rod and the core body and between the core rod and the core cap.
Preferably, a limit table is arranged at one end of the core rod, a core spring is sleeved on the core rod, two ends of the core spring are respectively abutted to the limit table and the core cap, and the core spring applies elastic force to the core rod to enable the sealing gasket to be abutted to the lower end of the core body to realize sealing.
Preferably, a sealing ring is sleeved outside the core body, and the sealing ring can realize the installation sealing of the valve core and the nozzle body.
The application has the advantages that:
1. the application is a brand new explosion-proof structure, realizes the opening and closing of the air leakage channel by means of the tension force of the explosion-proof sealing ring, does not need to add an additional structure, avoids the traditional explosion-proof pressure release spring, reduces the cost and simultaneously reduces the complexity of installation.
2. The anti-explosion sealing ring is arranged in the annular positioning groove, so that the anti-explosion sealing ring can be conveniently installed, and meanwhile, the annular positioning groove can also ensure that the anti-explosion sealing ring cannot shift in the pressure release opening and sealing closing switching action process, and the stability of the anti-explosion sealing ring is ensured.
Drawings
FIG. 1 is a schematic illustration of an explosion-proof valve inside with an explosion-proof seal ring closed;
FIG. 2 is a schematic illustration of an explosion-proof valve core with an explosion-proof seal ring open;
fig. 3 is an enlarged partial schematic view of the explosion-proof seal ring of the present application when opened.
In the figure: 1-core body, 2-core bar, 3-core cap, 4-core spring, 5-limit table, 6-sealing ring, 7-annular positioning groove, 8-explosion-proof sealing ring, 9-radial air release channel, 10-axial air release channel, 11-sealing gasket and 12-through hole.
Detailed Description
The present application is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
As shown in fig. 1 to 3, an explosion-proof valve core comprises a core body 1, wherein a through hole 12 is formed in the center of the core body 1, a core rod 2 is arranged in the through hole 12, an axial air release channel 10 is arranged in the center of one end of the core rod 2, a plurality of radial air release channels 9 are arranged on the core rod 2 in the through hole 12, at least two radial air release channels are uniformly distributed on the circumference, the radial air release channels 9 are communicated with the axial air release channels 10, an explosion-proof sealing ring 8 is sleeved on the core rod 2 at the position where the radial air release channels 9 are arranged, and the explosion-proof sealing ring 8 can seal the radial air release channels 9.
The inner side of the explosion-proof sealing ring 8 is preferably designed into a step structure matched with the opening of the radial air leakage channel 9, so that the contact part of the core rod 2 and the explosion-proof sealing ring 8 is in surface contact, and the core rod and the explosion-proof sealing ring are easier to position; meanwhile, compared with the line contact, the surface contact at the position has a large contact area, and can play a role in reducing the contact pressure of the explosion-proof sealing ring 8 and prolonging the service life of the explosion-proof sealing ring 8.
The application realizes the opening and closing of the air leakage channel by means of the tensioning force of the explosion-proof sealing ring 8 without adding an additional structure, thereby avoiding the traditional explosion-proof pressure release spring, reducing the cost and reducing the complexity of installation.
The core rod 2 at the radial air leakage channel 9 is provided with the annular positioning groove 7, and the explosion-proof sealing ring 8 is positioned in the annular positioning groove 7, but the outer diameter of the explosion-proof sealing ring 8 sleeved in the annular positioning groove 7 is required to be ensured to be smaller than the inner diameter of the through hole 12. The installation of explosion-proof sealing washer 8 can be made things convenient for to above-mentioned structure, and this annular positioning groove 7 can also guarantee simultaneously that explosion-proof sealing washer 8 is opened and sealed switching action process can not appear shifting at the pressure release, guarantees the stability of explosion-proof sealing washer 8.
The height of the annular positioning groove 7 is preferably larger than the height of the explosion-proof sealing ring 8 so as to ensure that a sufficient gap exists between the explosion-proof sealing ring 8 and the annular positioning groove 7 when the explosion-proof sealing ring 8 is opened due to air leakage.
The inventive core rod 2 preferably comprises a large-diameter section at one end and a small-diameter section at the other end, in which the through-hole 12 is located, so that structural strength at the core rod 2 provided with the through-hole is ensured.
In addition, the application also has a structure similar to the traditional valve core, and the concrete structure is as follows:
the end of the core rod 2 provided with the axial air leakage channel 10 is provided with an annular sealing groove, a sealing gasket 11 is arranged in the annular sealing groove, and the core rod 2 drives the sealing gasket 11 to move up and down so as to open or close a through hole 12 at the lower end of the core body 1. Meanwhile, a core cap 3 is installed at one end of the core body 1, the core rod 2 sequentially penetrates through the core body 1 and the core cap 3, and a gap is formed between the core rod 2 and the core body 1 and between the core rod 2 and the core cap 3. One end of the core rod 2 is provided with a limiting table 5, the core rod 2 is sleeved with a core spring 4, two ends of the core spring 4 are respectively abutted against the limiting table 5 and the core cap 3, and the core spring 4 applies elastic force to the core rod 2 to enable the sealing gasket 11 to be abutted against the lower end of the core body 1 to realize sealing. The outside of the core body 1 is sleeved with a sealing ring 6, and the sealing ring 6 can realize the installation and sealing of the valve core and the nozzle body, and the structure is a structure well known in the art, so that the structure is not specifically described.
The specific actions of explosion prevention and air leakage are as follows:
when the pressure is greater than the tension of the explosion-proof sealing ring 8, the explosion-proof sealing ring 8 is opened, and the gas is discharged from the gap between the core rod 2 and the core body 1 and the core cap 3, so that the explosion-proof exhaust of the product is realized; when the pressure is smaller than the tensioning force of the explosion-proof sealing ring 8, the explosion-proof sealing is closed.
It should be understood that these examples are for the purpose of illustrating the application only and are not intended to limit the scope of the application. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present application, and that all such equivalents are intended to fall within the scope of the present application as defined in the appended claims.
Claims (10)
1. An explosion-proof valve core is characterized by comprising a core body (1), wherein a through hole (12) is formed in the center of the core body (1);
a core bar (2) is arranged in the through hole (12);
an axial air leakage channel (10) is arranged in the center of one end of the core rod (2);
a plurality of radial air leakage channels (9) are arranged on the core rod (2) positioned in the through hole (12), and the radial air leakage channels (9) are communicated with the axial air leakage channels (10);
an explosion-proof sealing ring (8) is sleeved on the core rod (2) provided with the radial air leakage channel (9), and the explosion-proof sealing ring (8) can seal the radial air leakage channel (9).
2. An explosion-proof valve core according to claim 1, characterized in that at least two radial venting channels (9) are evenly distributed circumferentially.
3. An explosion-proof valve core according to claim 1, characterized in that the core rod (2) provided with radial venting channels (9) is provided with an annular positioning groove (7), and the explosion-proof sealing ring (8) is positioned in the annular positioning groove (7).
4. An explosion-proof valve core according to claim 3, characterized in that the height of the annular positioning groove (7) is greater than the height of the explosion-proof sealing ring (8).
5. An explosion-proof valve core according to claim 3, characterized in that the outer diameter of the explosion-proof sealing ring (8) sleeved in the annular positioning groove (7) is smaller than the inner diameter of the through hole (12).
6. An explosion-proof valve core according to claim 1, characterized in that the core rod (2) comprises a large diameter section at one end and a small diameter section at the other end, the through-going through-hole (12) being located in the large diameter section.
7. An explosion-proof valve core according to claim 1, characterized in that the end of the core rod (2) provided with the axial air leakage channel (10) is provided with an annular sealing groove, a sealing gasket (11) is arranged in the annular sealing groove, and the core rod (2) drives the sealing gasket (11) to move up and down so as to open or close the through hole (12) at the lower end of the core body (1).
8. An explosion-proof valve core according to claim 1, wherein a core cap (3) is mounted at one end of the core body (1), the core rod (2) sequentially penetrates through the core body (1) and the core cap (3), and a gap is formed between the core rod (2) and the core body (1) and between the core rod and the core cap (3).
9. The explosion-proof valve core according to claim 8, wherein one end of the core rod (2) is provided with a limiting table (5), the core rod (2) is sleeved with a core spring (4), two ends of the core spring (4) are respectively abutted to the limiting table (5) and the core cap (3), and the core spring (4) applies elastic force to the core rod (2) to enable the sealing gasket (11) to be abutted to the lower end of the core body (1) to achieve sealing.
10. An explosion-proof valve core according to claim 1, characterized in that the outside of the core body (1) is sleeved with a sealing ring (6), and the sealing ring (6) can realize the installation sealing of the valve core and the nozzle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311399146.3A CN117128346B (en) | 2023-10-26 | 2023-10-26 | Explosion-proof valve inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311399146.3A CN117128346B (en) | 2023-10-26 | 2023-10-26 | Explosion-proof valve inside |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117128346A true CN117128346A (en) | 2023-11-28 |
| CN117128346B CN117128346B (en) | 2024-02-23 |
Family
ID=88858579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311399146.3A Active CN117128346B (en) | 2023-10-26 | 2023-10-26 | Explosion-proof valve inside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117128346B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005319A (en) * | 2000-06-16 | 2002-01-09 | Bosch Automotive Systems Corp | Pressure relief valve |
| CN103104728A (en) * | 2013-02-04 | 2013-05-15 | 力帆实业(集团)股份有限公司 | Safety valve used for electric automobile |
| CN209180439U (en) * | 2018-10-12 | 2019-07-30 | 余姚市普润净水设备有限公司 | Transfinite decompression alarming apparatus |
| CN112066049A (en) * | 2020-09-30 | 2020-12-11 | 高密同创气门芯有限公司 | Valve inside of explosion-proof tyre |
| CN212657311U (en) * | 2020-03-13 | 2021-03-05 | 惠州市尚达能源科技有限公司 | Pressure relief explosion-proof valve |
| CN213745083U (en) * | 2020-09-30 | 2021-07-20 | 高密同创气门芯有限公司 | Valve inside of explosion-proof tyre |
| CN113280163A (en) * | 2021-01-09 | 2021-08-20 | 高密同创气门芯有限公司 | Valve inside of explosion-proof tyre |
| CN113606409A (en) * | 2021-09-02 | 2021-11-05 | 中国电子科技集团公司第四十研究所 | Multifunctional fluid connector socket |
| WO2022236491A1 (en) * | 2021-05-08 | 2022-11-17 | 上海三利数字技术有限公司 | Automatic pressure relief valve, and data disaster backup storage device comprising same |
-
2023
- 2023-10-26 CN CN202311399146.3A patent/CN117128346B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005319A (en) * | 2000-06-16 | 2002-01-09 | Bosch Automotive Systems Corp | Pressure relief valve |
| CN103104728A (en) * | 2013-02-04 | 2013-05-15 | 力帆实业(集团)股份有限公司 | Safety valve used for electric automobile |
| CN209180439U (en) * | 2018-10-12 | 2019-07-30 | 余姚市普润净水设备有限公司 | Transfinite decompression alarming apparatus |
| CN212657311U (en) * | 2020-03-13 | 2021-03-05 | 惠州市尚达能源科技有限公司 | Pressure relief explosion-proof valve |
| CN112066049A (en) * | 2020-09-30 | 2020-12-11 | 高密同创气门芯有限公司 | Valve inside of explosion-proof tyre |
| CN213745083U (en) * | 2020-09-30 | 2021-07-20 | 高密同创气门芯有限公司 | Valve inside of explosion-proof tyre |
| CN113280163A (en) * | 2021-01-09 | 2021-08-20 | 高密同创气门芯有限公司 | Valve inside of explosion-proof tyre |
| WO2022236491A1 (en) * | 2021-05-08 | 2022-11-17 | 上海三利数字技术有限公司 | Automatic pressure relief valve, and data disaster backup storage device comprising same |
| CN113606409A (en) * | 2021-09-02 | 2021-11-05 | 中国电子科技集团公司第四十研究所 | Multifunctional fluid connector socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117128346B (en) | 2024-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117128346B (en) | Explosion-proof valve inside | |
| CN113280163B (en) | Valve inside of explosion-proof tyre | |
| CN117432864B (en) | Throttling device for valve | |
| CN201407398Y (en) | Multi-chamber differential pressure blocking inflation valve and air valve nozzle formed by matching same | |
| CN112066049A (en) | Valve inside of explosion-proof tyre | |
| CN201007351Y (en) | Lip sealing structure | |
| CN110630737A (en) | Double-valve-core gear shifting air valve and control method thereof | |
| CN215861917U (en) | Novel pressure relief valve inside | |
| CN202834270U (en) | Pulling off valve | |
| CN112178256A (en) | Large-size stable-speed anti-surge air release valve | |
| CN202955265U (en) | Dual-valve seat sealing structure | |
| CN211343045U (en) | Automobile engine valve oil seal | |
| CN2651020Y (en) | Double-lip sealing airtight check | |
| CN219452983U (en) | Exhaust device | |
| CN201610052U (en) | Pressure regulating anti-explosion inflating valve assembly | |
| CN213920566U (en) | Tyre valve core | |
| CN208442098U (en) | A kind of shift air valve | |
| CN201706025U (en) | Spring failure prevention device of internal fall lift type spring safety valve | |
| CN210398049U (en) | Integral gas-liquid conical surface sealing pressure measuring joint | |
| CN204647536U (en) | A kind of cock-type cut-off spool | |
| CN217778276U (en) | Air distribution valve for automobile air shock-proof system | |
| CN221838918U (en) | Gas cylinder valve | |
| CN101994863A (en) | Pressure-regulating dual anti-burst tire safety valve | |
| CN220118271U (en) | Novel high-pressure-resistant structure valve core of refrigerating system | |
| CN221443275U (en) | Split type gearbox high-low gear control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 261500 No. 1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Tongchuang Precision Technology Co.,Ltd. Country or region after: China Patentee after: SHANDONG HIMILE VALVE Co.,Ltd. Address before: 261500 No. 1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee before: GAOMI TONGCHUANG VALVE CORE Co.,Ltd. Country or region before: China Patentee before: SHANDONG HIMILE VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 261500 no.1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Tongchuang Precision Technology Co.,Ltd. Country or region after: China Patentee after: SHANDONG HIMILE VALVE Co.,Ltd. Address before: 261500 No. 1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee before: Shandong Tongchuang Precision Technology Co.,Ltd. Country or region before: China Patentee before: SHANDONG HIMILE VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |