CN210423860U - Novel storage tank safety valve - Google Patents
Novel storage tank safety valve Download PDFInfo
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- CN210423860U CN210423860U CN201921389550.1U CN201921389550U CN210423860U CN 210423860 U CN210423860 U CN 210423860U CN 201921389550 U CN201921389550 U CN 201921389550U CN 210423860 U CN210423860 U CN 210423860U
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Abstract
The utility model discloses a novel storage tank safety valve, which comprises a valve body, wherein a negative pressure valve core is arranged inside the valve body, the outer wall of the end part of the negative pressure valve core is fixedly connected with a split washer, the outer surface of the outer side of the negative pressure valve core is fixedly connected with a negative pressure spring, the end part of the negative pressure spring is fixedly connected with a washer, the outer wall of the outer side of the negative pressure valve core is fixedly connected with a valve clack, a negative pressure valve seat is fixedly connected between the valve clack and the negative pressure valve core, the outer wall of the outer side of the valve clack is fixedly connected with; utilize pure PTFE's negative pressure case lip limit, can be when the lip limit damages, simply get rid of the back and use the following multichannel lip limit structure, realize normal product function, long-term how long use guarantees simultaneously the leakproofness under the low pressure, guarantees that the medium is toward not carrying out the seepage outward, has guaranteed sealing mechanism material and transport medium's compatibility to the protective container has improved transportation safety greatly, and the effect of rain-proof water is better simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the relief valve, concretely relates to novel storage tank relief valve.
Background
At present, one or more safety valves are arranged in IBC medium-sized bulk containers, the safety valves play a role in protecting the containers, sealing of the safety valves of the IBC medium-sized bulk containers is achieved by pressing a valve clack through a spring, when the pressure in the container rises to a specific value, the valve clack is opened to achieve pressure relief, when goods are transported on roads, railways and oceans, the internal pressure of the containers is increased due to the influence of vibration, the influence of temperature or the volatilization of the goods, and the safety valves appearing on the market still have various defects and cannot meet the requirements of production and life.
Although the safety valve disclosed in the publication No. CN 208764012U not only can achieve the function of discharging when the set pressure is reached, but also can discharge a small amount of air entering the piston cavity in time in the normal working process, and release the gas in the pump in time, thereby ensuring the stability of the system pressure, and providing a strong guarantee for the safety and normal operation of the solution pump, the safety valve does not solve the problem that the negative pressure of the conventional IBC medium bulk container safety valve needs to be small, only 0.03bar, if a hard medium is adopted, a coated O-ring with good compatibility is not easy to seal under the pressure, and the corresponding technical parameter requirements are met in time, and leakage is easily caused during use, and thus a novel storage tank safety valve is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel storage tank relief valve to the negative pressure of the medium-sized bulk container relief valve in present IBC who proposes in solving above-mentioned background art needs to be smaller, only 0.003bar, if adopt the better cladding O type circle of harder medium compatibility, is difficult to realize sealedly under this pressure, in time reaches corresponding technical parameter requirement, also causes the problem of leakage easily in the use.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel storage tank relief valve, includes the valve body, the inside of valve body is provided with the negative pressure case, the tip outer wall fixedly connected with split ring of negative pressure case, the outside fixed surface of negative pressure case is connected with negative pressure spring, negative pressure spring's tip fixedly connected with packing ring, the outside outer wall fixedly connected with valve clack of negative pressure case, fixedly connected with negative pressure disk seat between valve clack and the negative pressure case, the outside outer wall fixedly connected with malleation O type circle of valve clack, the inside fixedly connected with spring of valve clack.
Preferably, a valve cover is arranged at the outer side port of the valve body, and a sealing ring is fixedly connected to the outer wall of the inner end of the valve body.
Preferably, the cross section of the valve cover is in an '' structure, and the valve cover and the valve body are fixed through threads.
Preferably, the cross section of the negative pressure valve core is of an inverted T-shaped structure, and the negative pressure valve core penetrates through the outer wall of the circle center of the valve clack.
Preferably, the gasket is fixed on the outer side wall of the negative pressure valve core, and the gasket is arranged on the inner side surface of the split retainer ring.
Preferably, one end of the spring is fixed on the inner side surface of the valve clack, and the other end of the spring is fixed on the inner wall of the valve body.
Preferably, the cross section of the sealing ring is of an O-shaped structure, and the sealing ring is attached to the outer side surface of the valve body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a safety valve subassembly's negative pressure structure safe and reliable, utilize pure PTFE's negative pressure valve core lip limit structure, realize one or multichannel seal structure, form good leakproofness, can be when the lip limit damages simultaneously, use hou mian multichannel lip limit structure after simply getting rid of, realize normal product function, long-term how long use, guarantee the leakproofness under the low pressure simultaneously, guarantee that the medium does not go outward to leak, the compatibility of sealing mechanism material and transportation medium has been guaranteed, thereby the protective container, transportation safety has been improved greatly, simultaneously rain-proof water's effect is better.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the three-dimensional structure of the valve body of the present invention;
FIG. 3 is a schematic view of an extended structure of the valve body of the present invention;
FIG. 4 is a schematic view of the structure of the negative pressure valve core of the present invention;
fig. 5 is a schematic view of the extending structure of the negative pressure valve core of the present invention.
In the figure: 1. a seal ring; 2. a valve body; 3. a positive pressure O-shaped ring; 4. a valve flap; 5. a negative pressure valve core; 6. A spring; 7. a valve cover; 8. a split washer; 9. a gasket; 10. a negative pressure spring; 11. and a negative pressure valve seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 2 and fig. 4, the present invention provides a technical solution: the utility model provides a novel storage tank relief valve, including valve body 2, the inside of valve body 2 is provided with negative pressure case 5, the tip outer wall fixedly connected with split ring 8 of negative pressure case 5, the outside fixed surface of negative pressure case 5 is connected with negative pressure spring 10, the tip fixedly connected with packing ring 9 of negative pressure spring 10, the outside outer wall fixedly connected with valve clack 4 of negative pressure case 5, fixedly connected with negative pressure disk seat 11 between valve clack 4 and the negative pressure case 5, the outside outer wall fixedly connected with malleation O type circle 3 of valve clack 4, the inside fixedly connected with spring 6 of valve clack 4.
In order to facilitate the installation and use of the valve body 2, in this embodiment, preferably, the outer side port of the valve body 2 is provided with a valve cover 7, and the outer wall of the inner end of the valve body 2 is fixedly connected with a sealing ring 1.
In order to facilitate the installation and fixation of the valve cover 7, in the embodiment, the cross section of the valve cover 7 is preferably in an "" structure, and the valve cover 7 is fixed with the valve body 2 in a threaded manner.
In order to facilitate the installation and use of the negative pressure valve core 5, in this embodiment, preferably, the cross section of the negative pressure valve core 5 is in an inverted "T" shape, and the negative pressure valve core 5 penetrates through the outer wall of the circle center of the valve clack 4.
In order to facilitate the installation and use of the gasket 9, in the embodiment, preferably, the gasket 9 is fixed on the outer wall of the outer side of the negative pressure valve core 5, and the gasket 9 is installed on the inner surface of the split retainer ring 8.
In order to facilitate the installation and use of the spring 6, in the present embodiment, it is preferable that one end of the spring 6 is fixed to the inner side surface of the valve flap 4, and the other end of the spring 6 is fixed to the inner wall of the valve body 2.
In order to facilitate the installation and use of the sealing ring 1, in this embodiment, preferably, the cross section of the sealing ring 1 is in an "O" shape structure, and the sealing ring 1 and the outer side surface of the valve body 2 are attached to each other.
Example 2
Referring to fig. 1, fig. 3 and fig. 5, the present invention provides a technical solution: the utility model provides a novel storage tank relief valve, includes valve body 2, and the inside of valve body 2 is provided with negative pressure case 5, and the tip outer wall fixedly connected with split ring 8 of negative pressure case 5, the outside fixed surface of negative pressure case 5 is connected with negative pressure spring 10, and the tip fixedly connected with packing ring 9 of negative pressure spring 10, the other end outer wall fixedly connected with lip limit of negative pressure case 5.
In order to facilitate the installation and use of the valve body 2, in this embodiment, preferably, the outer side port of the valve body 2 is provided with a valve cover 7, and the outer wall of the inner end of the valve body 2 is fixedly connected with a sealing ring 1.
In order to facilitate the installation and fixation of the valve cover 7, in the embodiment, the cross section of the valve cover 7 is preferably in an "" structure, and the valve cover 7 is fixed with the valve body 2 in a threaded manner.
In order to facilitate the installation and use of the gasket 9, in the embodiment, preferably, the gasket 9 is fixed on the outer wall of the outer side of the negative pressure valve core 5, and the gasket 9 is installed on the inner surface of the split retainer ring 8.
In order to facilitate the installation and use of the spring 6, in the present embodiment, it is preferable that one end of the spring 6 is fixed to the inner side surface of the valve flap 4, and the other end of the spring 6 is fixed to the inner wall of the valve body 2.
In order to facilitate the installation and use of the sealing ring 1, in this embodiment, preferably, the cross section of the sealing ring 1 is in an "O" shape structure, and the sealing ring 1 and the outer side surface of the valve body 2 are attached to each other.
The utility model discloses a theory of operation and use flow: after the device is installed, in embodiment 1, the positive pressure o-shaped ring 3 is inlaid on the valve clack 4, the spring 6 presses the valve clack 4 to realize sealing, when the pressure in the container rises, the valve clack 4 rises to realize the pressure discharge, in embodiment 2, the lip edge structure of the pure PTFE negative pressure valve core 5 is adopted to replace the original negative pressure o-shaped ring to be inlaid on the negative pressure valve core 5, the sealing is realized by the spring 6, when the negative pressure appears in the container, the negative pressure valve core 5 is opened to realize the balance pressure, the technical problem is solved by the structure, the sealing performance and the medium compatibility of the sealing structure under low pressure are solved, the lip edge structure of the negative pressure valve core 5 of the pure PTFE is utilized to realize one or more sealing structures, good sealing performance is formed, and meanwhile, when the lip edge is damaged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel storage tank relief valve, includes valve body (2), its characterized in that: the inside of valve body (2) is provided with negative pressure case (5), the tip outer wall fixedly connected with split ring (8) of negative pressure case (5), the outside fixed surface of negative pressure case (5) is connected with negative pressure spring (10), the tip fixedly connected with packing ring (9) of negative pressure spring (10), the outside outer wall fixed connection of negative pressure case (5) has valve clack (4), fixedly connected with negative pressure disk seat (11) between valve clack (4) and negative pressure case (5), the outside outer wall fixedly connected with malleation O type circle (3) of valve clack (4), the inside fixedly connected with spring (6) of valve clack (4).
2. The novel tank safety valve of claim 1, wherein: the outer side port of the valve body (2) is provided with a valve cover (7), and the outer wall of the inner end of the valve body (2) is fixedly connected with a sealing ring (1).
3. The novel tank safety valve of claim 2, wherein: the cross section of the valve cover (7) is in an structure, and the valve cover (7) and the valve body (2) are fixed in a threaded mode.
4. The novel tank safety valve of claim 1, wherein: the cross section of the negative pressure valve core (5) is of an inverted T-shaped structure, and the negative pressure valve core (5) penetrates through the outer wall of the circle center of the valve clack (4).
5. The novel tank safety valve of claim 1, wherein: the gasket (9) is fixed on the outer side wall of the negative pressure valve core (5), and the gasket (9) is installed on the inner side surface of the split retainer ring (8).
6. The novel tank safety valve of claim 1, wherein: one end of the spring (6) is fixed on the inner side surface of the valve clack (4), and the other end of the spring (6) is fixed on the inner wall of the valve body (2).
7. The novel tank safety valve of claim 2, wherein: the cross section of sealing washer (1) is "O" font structure, the outside surface of sealing washer (1) and valve body (2) is laminated each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921389550.1U CN210423860U (en) | 2019-08-26 | 2019-08-26 | Novel storage tank safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921389550.1U CN210423860U (en) | 2019-08-26 | 2019-08-26 | Novel storage tank safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423860U true CN210423860U (en) | 2020-04-28 |
Family
ID=70364300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921389550.1U Active CN210423860U (en) | 2019-08-26 | 2019-08-26 | Novel storage tank safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423860U (en) |
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2019
- 2019-08-26 CN CN201921389550.1U patent/CN210423860U/en active Active
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