CN203549048U - Pull-off valve safe and reliable to use - Google Patents
Pull-off valve safe and reliable to use Download PDFInfo
- Publication number
- CN203549048U CN203549048U CN201320710123.5U CN201320710123U CN203549048U CN 203549048 U CN203549048 U CN 203549048U CN 201320710123 U CN201320710123 U CN 201320710123U CN 203549048 U CN203549048 U CN 203549048U
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- Prior art keywords
- valve body
- lower valve
- upper valve
- guide
- compress spring
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- Expired - Fee Related
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Abstract
The utility model discloses a pull-off valve safe and reliable to use. The pull-off valve comprises an upper valve body (1), a lower valve body, an upper valve element, a lower valve element and pull-off pins. The upper valve body is inserted into the lower valve body (2), seal rings (6) are installed on the contact surface between the upper valve body (1) and the lower valve body (2), the upper valve body (1) is fixedly connected with the lower valve body (2) through the pull-off pins (5), the upper valve element (3) and the lower valve element (4) are arranged in the upper valve body (1) and the lower valve body (2) respectively, the bottom of the upper valve element (3) abuts against the top of the lower valve element (4), internal threads are machined on the inner wall of the upper valve body (1) and the inner wall of the lower valve body (2) respectively, and the two pull-off pins (5) are installed between the upper valve body (1) and the lower valve body (2). The pull-off valve has the advantages of being simple in structure, easy to assemble, safe, reliable, easy to operate and the like.
Description
Technical field
The utility model relates to valve technology field, particularly a kind of safe and reliable Pull breaking ualve.
Background technique
The application of Pull breaking ualve and popularization have related to a lot of relevant industries, have a variety of at present for the Pull breaking ualve product of various industries.From function, requiring the object that finally reaches of Pull breaking ualve is for fear of maybe the probability that high-risk accident occurs being reduced to minimum with the generation that prevents security incident, therefore to Pull breaking ualve break performance, sealability, reliability and stability requirement after breaking be higher; Say technically, the technical performance of current whole Pull breaking ualve industry and universal performance are also immature, major embodiment is that the application of Pull breaking ualve is changeable, and be to design and produce for single requirement, also have same Pull breaking ualve to be applied to the applicability of multiple environment or medium lower, main manifestations is that the versatility of the aspects such as working environment, temperature, medium and special industry is had to certain narrow limitation; From structure, because the Pull breaking ualve of industry, working environment, medium and various performance requirements structurally has certain difference, be mainly reflected in the realization of material, dismounting technical requirements and additional function that environment, medium, latus rectum size, each parts adopt.
At present, in chemical production field, need to storage tank, to carry a large amount of industrial chemicals (as liquid petroleum gas (liquid propane gas), ammoniacal liquor, liquefied petroleum gas (LPG), butadiene, rock gas etc.) by tank car, industrial chemicals need enter in storage tank by the Pull breaking ualve being fixedly mounted on handling pipe, when Pull breaking ualve bearing certain pressure, Pull breaking ualve can disconnect automatically, prevented from slipping car because of the accident of handling tank car, caused the industrial chemicals in tank car to be revealed, thereby avoided the industrial chemicals leaking out to work the mischief to personnel's life.Traditional Pull breaking ualve due to internal structure complexity, cost is high, assembling difficulty is larger, is difficult to meet the demand in market, and reliable and secure rank is low.
Model utility content
The purpose of this utility model is to overcome the shortcoming of prior art, provide a kind of simple in structure, assemble safe and reliable Pull breaking ualve easy, simple to operate.
The purpose of this utility model is achieved through the following technical solutions: a kind of safe and reliable Pull breaking ualve, it comprises upper valve body, lower valve body, upper valve core, lower valve core and breaking pin, upper valve body is plugged in lower valve body, on upper valve body and lower valve body surface of contact, seal ring is installed, upper valve body and lower valve body are fixed by breaking pin, upper valve core and lower valve core are separately positioned in upper valve body and lower valve body, and the bottom of upper valve core props up the top of remaining spool.
It also comprises axis of guide a, Compress Spring a and annular retaining ring a, upper valve core is provided with blind hole a, axis of guide a is arranged in blind hole a, annular retaining ring a is arranged on axis of guide a above and is fixed in upper valve body, Compress Spring a is enclosed within on axis of guide a, it is upper that one end of Compress Spring a presses on annular retaining ring a, and the other end of Compress Spring a presses on upper valve core.
It also comprises axis of guide b, Compress Spring b and annular retaining ring b, upper valve core is provided with blind hole b, axis of guide b is arranged in blind hole, annular retaining ring b is arranged on axis of guide b above and is fixed in lower valve body, Compress Spring b is enclosed within on axis of guide b, it is upper that one end of Compress Spring b presses on annular retaining ring b, and the other end of Compress Spring b presses on lower valve core.
On the inwall of described upper valve body and lower valve body, be all processed with internal thread.
Between described upper valve body and lower valve body, two breaking pins are installed.
It also comprises the material passage a being arranged in upper valve body and is arranged on the material passage b in lower valve body.
The utlity model has following advantage: (1) the utility model only need be inserted into the upper valve body assembling to assemble in lower valve body, then by breaking pin, they is fixed, and just can realize the assembling of product, has feature simple in structure, easy for installation.(2) when being cut off under the effect of breaking pin in external force, upper valve body and lower valve body are separated rapidly, upper valve core moment under the elastic force effect of Compress Spring a moves down closes material passage a, lower valve core moment under the elastic force effect of Compress Spring b moves up material passage b is closed simultaneously, so both avoided groove tank car to continue conveying, also make the industrial chemicals in storage tank can not flow backwards out, prevented the leakage of industrial chemicals, there is safe and reliable feature.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model
In figure, 1-upper valve body, valve body under 2-, 3-upper valve core, 4-lower valve core, 5-breaking pin, 6-seal ring, 7-axis of guide a, 8-Compress Spring a, 9-annular retaining ring a, 10-blind hole a, 11-axis of guide b, 12-Compress Spring b, 13-annular retaining ring b, 14-blind hole b, 15-material passage a, 16-material passage b.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, protection domain of the present utility model is not limited to the following stated:
As shown in Figure 1, a kind of safe and reliable Pull breaking ualve, it comprises upper valve body 1, lower valve body 2, upper valve core 3, lower valve core 4 and breaking pin 5, upper valve body 1 is plugged in lower valve body 2, on upper valve body 1 and lower valve body 2 surface of contact, seal ring 6 is installed, upper valve body 1 is fixing by breaking pin 5 with lower valve body 2, and upper valve core 3 and lower valve core 4 are separately positioned in upper valve body 1 and lower valve body 2, and the bottom of upper valve core 3 presses on the top of lower valve core 4; It also comprises axis of guide a7, Compress Spring a8 and annular retaining ring a9, upper valve core 3 is provided with blind hole a10, axis of guide a7 is arranged in blind hole a10, annular retaining ring a9 is arranged on axis of guide a7 above and is fixed in upper valve body 1, Compress Spring a8 is enclosed within on axis of guide a7, it is upper that one end of Compress Spring a8 presses on annular retaining ring a9, and the other end of Compress Spring a8 presses on upper valve core 3; It also comprises axis of guide b11, Compress Spring b12 and annular retaining ring b13, lower valve core 4 is provided with blind hole b14, axis of guide b11 is arranged in blind hole b14, annular retaining ring b13 is arranged on axis of guide b11 above and is fixed in lower valve body 2, Compress Spring b12 is enclosed within on axis of guide b11, it is upper that one end of Compress Spring b12 presses on annular retaining ring b13, and the other end of Compress Spring b12 presses on lower valve core 4.On the inwall of upper valve body 1 and lower valve body 2, be all processed with internal thread.Between upper valve body 1 and lower valve body 2, two breaking pins 5 are installed; It also comprises the material passage a being arranged in upper valve body and is arranged on the material passage b in lower valve body.
Working procedure of the present utility model is as follows: by the handling pipe being arranged on the tank car that stores industrial chemicals, by the internal thread connection on upper valve body 1 and the port of this handling pipe, withstand annular retaining ring a9, then the handling pipe being arranged on chemical storage tank will be withstood on annular retaining ring b13 by the internal thread connection on lower valve body 2 and the port of this handling pipe, after installation, open the conveying valve of tank car and the material inlet valve of chemical storage tank, industrial chemicals in tank car under the effect of pressure successively by the handling pipe on tank car, upper valve body 1, handling pipe on lower valve body 2 and storage tank enters in chemical storage tank, but when tank car is due to the unexpected car that slips, tank car driver starts the reasons such as tank car moves tank car, finally cause the breaking pin 5 that connects upper valve body 1 and lower valve body 2 to be cut off under the effect of the shearing force of pulling force, upper valve body 1 is Fen Li with 2 moments of lower valve body, now, thereby upper valve core 3 is blocked material passage a15 in the spring-force driven dual moment of Compress Spring a8 along axis of guide a7 down sliding, sample had both avoided groove tank car to continue conveying, the leakage that has prevented industrial chemicals works the mischief to personnel's life, thereby lower valve core 4 stops up material passage b16 along axis of guide b11 moment upward sliding under the elastic force effect of Compress Spring b simultaneously, prevented like this industrial chemicals in storage tank can not flow backwards out give personnel's life work the mischief.
Claims (6)
1. a safe and reliable Pull breaking ualve, it is characterized in that: it comprises upper valve body (1), lower valve body (2), upper valve core (3), lower valve core (4) and breaking pin (5), upper valve body (1) is plugged in lower valve body (2), between upper valve body (1) and lower valve body (2) surface of contact, seal ring (6) is installed, upper valve body (1) is fixedly connected with by breaking pin (5) with lower valve body (2), upper valve core (3) and lower valve core (4) are separately positioned in upper valve body (1) and lower valve body (2), and the bottom of upper valve core (3) presses on the top of lower valve core (4).
2. a kind of safe and reliable Pull breaking ualve according to claim 1, it is characterized in that: it also comprises axis of guide a(7), Compress Spring a(8) and annular retaining ring a(9), upper valve core (3) is provided with blind hole a(10), axis of guide a(7) be arranged on blind hole a(10) in, annular retaining ring a(9) be arranged on axis of guide a(7) upper and be fixed in upper valve body (1), Compress Spring a(8) be enclosed within axis of guide a(7) on, Compress Spring a(8) one end press on annular retaining ring a(9) on, Compress Spring a(8) the other end press on upper valve core (3).
3. a kind of safe and reliable Pull breaking ualve according to claim 1, it is characterized in that: it also comprises axis of guide b(11), Compress Spring b(12) and annular retaining ring b(13), lower valve core (4) is provided with blind hole b(14), axis of guide b(11) be arranged on blind hole b(14) in, annular retaining ring b(13) be arranged on axis of guide b(11) upper and be fixed in lower valve body (2), Compress Spring b(12) be enclosed within axis of guide b(11) on, Compress Spring b(12) one end press on annular retaining ring b(13) on, Compress Spring b(12) the other end press on lower valve core (4).
4. a kind of safe and reliable Pull breaking ualve according to claim 1, is characterized in that: on described upper valve body (1) and the inwall of lower valve body (2), be all processed with internal thread.
5. a kind of safe and reliable Pull breaking ualve according to claim 1, is characterized in that: between described upper valve body (1) and lower valve body (2), two breaking pins (5) are installed.
6. a kind of safe and reliable Pull breaking ualve according to claim 1, is characterized in that: it also comprises the material passage a(15 being arranged in upper valve body (1)) and be arranged on the material passage b(16 in lower valve body (4)).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710123.5U CN203549048U (en) | 2013-11-12 | 2013-11-12 | Pull-off valve safe and reliable to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710123.5U CN203549048U (en) | 2013-11-12 | 2013-11-12 | Pull-off valve safe and reliable to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203549048U true CN203549048U (en) | 2014-04-16 |
Family
ID=50467166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320710123.5U Expired - Fee Related CN203549048U (en) | 2013-11-12 | 2013-11-12 | Pull-off valve safe and reliable to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203549048U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179772A (en) * | 2015-10-21 | 2015-12-23 | 山东悦龙橡塑科技有限公司 | Breakaway coupler for hose |
| CN105221879A (en) * | 2015-10-21 | 2016-01-06 | 武汉三江航天远方科技有限公司 | Filling station rapid pipe joint peculiar to vessel |
| CN110056692A (en) * | 2019-05-22 | 2019-07-26 | 苏州三米格环保科技有限公司 | Pull breaking ualve |
| CN114562587A (en) * | 2022-03-03 | 2022-05-31 | 中盐金坛盐化有限责任公司 | Explosion-proof valve for hydrogen storage salt cavern |
-
2013
- 2013-11-12 CN CN201320710123.5U patent/CN203549048U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179772A (en) * | 2015-10-21 | 2015-12-23 | 山东悦龙橡塑科技有限公司 | Breakaway coupler for hose |
| CN105221879A (en) * | 2015-10-21 | 2016-01-06 | 武汉三江航天远方科技有限公司 | Filling station rapid pipe joint peculiar to vessel |
| CN105221879B (en) * | 2015-10-21 | 2017-12-26 | 武汉三江航天远方科技有限公司 | Filling station snap joint peculiar to vessel |
| CN110056692A (en) * | 2019-05-22 | 2019-07-26 | 苏州三米格环保科技有限公司 | Pull breaking ualve |
| CN114562587A (en) * | 2022-03-03 | 2022-05-31 | 中盐金坛盐化有限责任公司 | Explosion-proof valve for hydrogen storage salt cavern |
| CN114562587B (en) * | 2022-03-03 | 2023-09-29 | 中盐金坛盐化有限责任公司 | Explosion-proof valve for hydrogen storage salt cavern |
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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: 20140416 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |