CN203770683U - Sea valve of air control oil tank truck - Google Patents
Sea valve of air control oil tank truck Download PDFInfo
- Publication number
- CN203770683U CN203770683U CN201420179075.6U CN201420179075U CN203770683U CN 203770683 U CN203770683 U CN 203770683U CN 201420179075 U CN201420179075 U CN 201420179075U CN 203770683 U CN203770683 U CN 203770683U
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- Prior art keywords
- self
- locking
- valve
- piston
- flap
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- Expired - Fee Related
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Abstract
The utility model relates to a seal valve of an air control oil tank truck. The seal valve of the air control oil tank truck comprises a valve body, a valve clack, a valve deck and a valve rod. A valve seat is arranged in a valve body inner cavity, an outlet of the valve seat is connected with an outlet channel, and the outlet channel is provided with a drive air cylinder. One end of a piston rod of the drive air cylinder abuts against the valve rod, the other end of the piston rod is fixedly connected with a piston, and a rodless cavity of the piston is communicated with an air source control opening. Mainly, the outlet channel of the valve body is connected with a self-locking valve, a self-locking device of the self-locking valve is controlled by an air source in a truck cab, under the state that the truck is not completely braked, the air pressure of the air source is smaller than the elastic force of a locking spring, a self-locking pin is inserted into a self-locking groove, the self-locking valve is locked, and safety accidents caused by truck sliding in the oil drainage process are avoided. The seal valve of the air control oil tank truck has the advantage of being good in safety performance and is suitable for an oil outlet valve at the bottom of the oil tank truck.
Description
Technical field
The utility model belongs to valve field, particularly about fuel tank bottom valve.The utility model is applicable to the outlet valve at the bottom of fuel tank tank.
Background technique
Oil outlet in fuel tank oil storage tank bottom is installed a control valve, is used for controlling draining the oil of oil storage tank.If publication number is CN103538824A sea cock and valve, comprise valve body and flap, described valve inner is provided with valve pocket, in this valve pocket, be provided with fluid passage mouth, flap is positioned at mouth place, fluid passage and arranges, and on the outer wall of valve body, be provided with driving cylinder, also include heating system, this heating system comprises electric heating member and the plug being electrically connected to electric heating member, on the sidewall of this electric heating member setting and valve pocket, plug is connected on the outer wall of valve body, can before emptying, to sea cock and valve, heat in advance, while having avoided needing emptying, again sea cock and valve is heated, shortened the required time of emptying.Its major defect is: sea cock and valve is opened and to be drained the oil in process, while there is vehicle mobile as vehicle brake is loosening, easily breaks transport pipe, makes the oil product outside of releasing, and causes security incident, and handling safety performance is poor.
Summary of the invention
The purpose of this utility model is the shortcoming existing for prior art, provides a kind of Safety performance of draining the oil good gas control subsea valve for oil tank truck.
The technical solution of the utility model comprises valve body, flap, valve gap, valve rod, body cavity is shaped with valve seat, valve seat outlet connection outlet passage, valve rod one end is fixedly connected with flap, and the valve rod the other end coordinates with pilot hole on valve gap is moving, between flap and valve gap, spring is housed, on outlet passage, be provided with driving cylinder, one end and the valve rod of the piston rod of this driving cylinder contact, and the other end of piston rod is fixedly connected with piston, and the rodless cavity of piston is controlled mouth with source of the gas and is communicated with; Mainly that valve outlet passage connects a latching valve, this latching valve comprises self-locking valve body, self-locking flap, self-locking valve rod, the import of self-locking valve body is communicated with outlet passage, self-locking valve outlet is shaped with the sealing surface cooperatively interacting with self-locking flap, one end of self-locking valve rod is fixedly connected with self-locking flap, the other end and moving cooperation of guide sleeve being fixedly mounted on self-locking valve body are installed self-locking spring between the self-locking flap back side and guide sleeve; Self-locking valve body is provided with out control valve unit, and this transmission shaft of driving control valve unit is connected with the valve pin of opening at the self-locking flap back side; On self-locking valve body, be provided with self-locking device, this self-locking device is comprised of self-locking body, self-lock pin, locking spring, self-locking body, self-lock pin and locking spring form pneumatic piston device, the piston cavity forming between its self-locking body and self-lock pin is controlled mouth with source of the gas and is communicated with, the elastic force of locking spring is 3Kg, under latching valve closed condition, the end of self-lock pin is inserted in self-locking grooves made on self-locking valve rod.
In above technological scheme, in self-locking body, be shaped with small diameter circular hole and larger diameter circular hole, self-lock pin has small diameter cylindrical body and the larger diameter cylinder coordinating with self-locking body small diameter circular hole and the motive sealing of larger diameter circular hole, under latching valve closed condition, the end of small diameter cylindrical body is inserted in self-locking valve rod self-locking grooves; At larger diameter cylinder periphery, manufacture locking spring installation step, locking spring is arranged on self-lock pin by locking nut, and locking nut cylindrical is threaded with self-locking body, and locking nut endoporus coordinates with self-lock pin periphery is moving; Between the end face of self-lock pin larger diameter cylinder and small diameter cylindrical body joint and self-locking body larger diameter circular hole, form piston cavity, self-lock pin larger diameter cylinder is shaped with center hole, this center hole one end is communicated with piston cavity, and the other end is controlled mouth with source of the gas and is communicated with.
In above technological scheme, drive control valve unit by transmission shaft, rocking bar and open valve pin and form, transmission shaft penetrates latching valve intracoelomic cavity from the external side of latching valve, between transmission shaft and self-locking valve body, motive sealing coordinates, open valve pin and be fixedly mounted on the back side of self-locking flap, one end of rocking bar is fixedly mounted on the end part of driving shaft that is positioned at latching valve intracoelomic cavity, the other end with open valve pin and contact.
In above technological scheme, in the rod chamber of piston, near piston end surface place, be shaped with source of the gas and control outlet, this source of the gas is controlled outlet and is communicated with the piston cavity of self-locking device.
The utility model has the advantages that valve outlet passage connects a latching valve, the self-locking device of this latching valve is controlled by the indoor source of the gas of vehicle drive, under vehicle brake state, source of the gas air pressure >=3Kg, compression locking spring is pulled out self-lock pin in self-locking grooves, and latching valve can manually openedly be drained the oil; Under the complete braking state of vehicles failed, source of the gas air pressure <3Kg, locking spring inserts self-lock pin in self-locking grooves, and latching valve cannot be opened, and while preventing from draining the oil, vehicle slides and causes security incident.Have the advantages that Safety performance is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Gas control subsea valve for oil tank truck as shown in Figure 1, comprise valve body 6, flap 7, valve gap 10, valve rod 9, valve body 6 inner chambers are shaped with valve seat, valve seat outlet connection outlet passage 11, outlet passage 11 is shaped with and severs groove 12 with valve body 6 joints, valve rod 9 one end are fixedly connected with flap 7, valve rod 9 the other ends coordinate with pilot hole on valve gap 10 is moving, between flap 7 and valve gap 10, spring 8 is housed, on outlet passage 11, be provided with driving cylinder, one end and the valve rod 9 of the piston rod 5 of this driving cylinder contact, the other end of piston rod 5 is fixedly connected with piston 3, the rodless cavity of piston 3 is controlled mouth 1 with source of the gas and is communicated with, this source of the gas is controlled mouth 1 and is communicated with vehicle cab source of the gas, in the rod chamber of piston 3, be shaped with air equalizer opening 4, the outlet passage 11 of valve body 6 connects a latching valve, this latching valve comprises self-locking valve body 13, self-locking flap 14, self-locking valve rod 19,13 imports of self-locking valve body are communicated with outlet passage 11,13 outlets of self-locking valve body are shaped with the sealing surface cooperatively interacting with self-locking flap 14, one end of self-locking valve rod 19 is fixedly connected with self-locking flap 14, the other end and moving cooperation of guide sleeve 21 being fixedly mounted on self-locking valve body 13, between self-locking flap 14 back sides and guide sleeve 21, self-locking spring 18 is installed, this self-locking spring 18 compresses self-locking flap 14 and is sealed and matched with the sealing surface of self-locking valve body 13, self-locking valve body 13 is provided with out control valve unit, and this opens the transmission shaft 17 of control valve unit and the valve pin 15 of opening at self-locking flap 14 back sides is connected, and rotating drive shaft 17 overcomes the elastic force of self-locking spring 18 self-locking flap 14 is opened by opening valve pin 15, on self-locking valve body 13, be provided with self-locking device, this self-locking device is comprised of self-locking body 22, self-lock pin 23, locking spring 24, self-locking body 22, self-lock pin 23 and locking spring 24 form pneumatic piston device, the piston cavity forming between its self-locking body 22 and self-lock pin 23 is controlled mouth 1 with source of the gas and is communicated with, the elastic force of locking spring 24 is 3Kg, under latching valve closed condition, the end of self-lock pin 23 is inserted in self-locking grooves made on self-locking valve rod 19 20.At vehicle, in not completely during braking state, the bleed pressure <3Kg that vehicle drive is indoor, is less than the elastic force of locking spring 24, and self-lock pin 23 ends are inserted in self-locking grooves 20, and locking self-locking valve rod 19, cannot open self-locking flap 14; At vehicle during in braking state, bleed pressure >=3Kg that vehicle drive is indoor, the elastic force that overcomes locking spring 24 is extracted release by self-lock pin 23 in self-locking grooves 20, and self-locking flap 14 can freely open and close.
In self-locking body 22, be shaped with small diameter circular hole and larger diameter circular hole, self-lock pin 23 has small diameter cylindrical body and the larger diameter cylinder coordinating with self-locking body 22 small diameter circular holes and the motive sealing of larger diameter circular hole, the periphery of its small diameter cylindrical body coordinates with self-locking body 22 minor diameter circular hole motive sealings, and the periphery of larger diameter cylinder coordinates with self-locking body 22 larger diameter circular hole motive sealings.Under latching valve closed condition, the end of small diameter cylindrical body is inserted in self-locking valve rod 19 self-locking grooves 20; At larger diameter cylinder periphery, manufacture locking spring installation step, locking spring 24 is arranged on self-lock pin 23 by locking nut 26, locking nut 26 cylindricals are threaded with self-locking body 13, locking nut 26 endoporus and self-lock pin 23 peripheries are moving to be coordinated, and makes the self-lock pin 23 can be in locking nut 26 endoporus and the interior movement of self-locking body 22; Between the end face of self-lock pin 23 larger diameter cylinders and small diameter cylindrical body joint and self-locking body 22 larger diameter circular holes, form piston cavity, be to form piston cavity between the annular convex shoulder of self-lock pin 23 larger diameter cylinders and small diameter cylindrical body joint and self-locking body 22 larger diameter circular hole bottom planes and circular hole wall, self-lock pin 23 larger diameter cylinders are shaped with center hole 25, these center hole 25 one end are communicated with piston cavity, and the other end is controlled mouth 1 with source of the gas and is communicated with.
Drive control valve unit by transmission shaft 17, rocking bar 16 and open valve pin 15 and form, transmission shaft 17 penetrates self-locking valve body 13 inner chambers from self-locking valve body 13 outsides, between transmission shaft 17 and self-locking valve body 13, motive sealing coordinates, open valve pin 15 and be fixedly mounted on the back side of self-locking flap 14, also can be arranged on self-locking valve rod 19.One end of rocking bar 16 is fixedly mounted on transmission shaft 17 ends that are positioned at self-locking valve body 13 inner chambers, the other end with open valve pin 15 and contact.Open valve pin 15 employings and be arranged on the rotating dog on self-locking flap 14 back sides or self-locking valve rod 19.
In the rod chamber of piston 3, near piston end surface place, be shaped with source of the gas and control outlet 2, this source of the gas is controlled outlet 2 and is communicated with the piston cavity of self-locking device.At piston 3, controlled after the air pressure promotion of mouth 1 by source of the gas, make source of the gas control outlet 2 and source of the gas control mouth 1 and be communicated with, the air pressure of source of the gas control mouth 1 is controlled outlet 2 by source of the gas and is transported in the piston cavity of self-locking device.
Claims (4)
1. a gas control subsea valve for oil tank truck, comprise valve body (6), flap (7), valve gap (10), valve rod (9), valve body (6) inner chamber is shaped with valve seat, valve seat outlet connection outlet passage (11), valve rod (9) one end is fixedly connected with flap (7), valve rod (9) the other end coordinates with pilot hole on valve gap (10) is moving, between flap (7) and valve gap (10), spring (8) is housed, outlet passage is provided with driving cylinder on (11), one end of the piston rod of this driving cylinder (5) and valve rod (9) contact, the other end of piston rod (5) is fixedly connected with piston (3), the rodless cavity of piston (3) is controlled mouthful (1) with source of the gas and is communicated with, the outlet passage (11) that it is characterized in that valve body (6) connects a latching valve, this latching valve comprises self-locking valve body (13), self-locking flap (14), self-locking valve rod (19), self-locking valve body (13) import is communicated with outlet passage (11), self-locking valve body (13) outlet is shaped with the sealing surface cooperatively interacting with self-locking flap (14), one end of self-locking valve rod (19) is fixedly connected with self-locking flap (14), the other end and moving cooperation of guide sleeve (21) being fixedly mounted on self-locking valve body (13), between self-locking flap (14) back side and guide sleeve (21), self-locking spring (18) is installed, self-locking valve body (13) is provided with out control valve unit, and this opens the transmission shaft (17) of control valve unit and the valve pin (15) of opening at self-locking flap (14) back side is connected, on self-locking valve body (13), be provided with self-locking device, this self-locking device is comprised of self-locking body (22), self-lock pin (23), locking spring (24), self-locking body (22), self-lock pin (23) and locking spring (24) form pneumatic piston device, the piston cavity forming between its self-locking body (22) and self-lock pin (23) is controlled mouthful (1) with source of the gas and is communicated with, the elastic force of locking spring (24) is 3Kg, under latching valve closed condition, the end of self-lock pin (23) is inserted in the upper made self-locking grooves (20) of self-locking valve rod (19).
2. gas control subsea valve for oil tank truck according to claim 1, it is characterized in that being shaped with in self-locking body (22) small diameter circular hole and larger diameter circular hole, self-lock pin (23) has small diameter cylindrical body and the larger diameter cylinder coordinating with self-locking body (22) small diameter circular hole and the motive sealing of larger diameter circular hole, under latching valve closed condition, the end of small diameter cylindrical body is inserted in self-locking valve rod (19) self-locking grooves (20); At larger diameter cylinder periphery, manufacture locking spring installation step, locking spring (24) is arranged on self-lock pin (23) by locking nut (26), locking nut (26) cylindrical is threaded with self-locking body (13), and locking nut (26) endoporus coordinates with self-lock pin (23) periphery is moving; Between the end face of self-lock pin (23) larger diameter cylinder and small diameter cylindrical body joint and self-locking body (22) larger diameter circular hole, form piston cavity, self-lock pin (23) larger diameter cylinder is shaped with center hole (25), this center hole (25) one end is communicated with piston cavity, and the other end is controlled mouthful (1) with source of the gas and is communicated with.
3. gas control subsea valve for oil tank truck according to claim 1, it is characterized in that out control valve unit by transmission shaft (17), rocking bar (16) and open valve pin (15) forming, transmission shaft (17) penetrates self-locking valve body (13) inner chamber from self-locking valve body (13) outside, between transmission shaft (17) and self-locking valve body (13), motive sealing coordinates, open valve pin (15) and be fixedly mounted on the back side of self-locking flap (14), one end of rocking bar (16) is fixedly mounted on transmission shaft (17) end that is positioned at self-locking valve body (13) inner chamber, the other end with open valve pin (15) and contact.
4. according to the gas control subsea valve for oil tank truck described in claim 1 or 2 or 3, it is characterized in that the interior close piston end surface of the rod chamber place of piston (3) is shaped with source of the gas control outlet (2), this source of the gas control exports (2) and is communicated with the piston cavity of self-locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179075.6U CN203770683U (en) | 2014-04-03 | 2014-04-03 | Sea valve of air control oil tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179075.6U CN203770683U (en) | 2014-04-03 | 2014-04-03 | Sea valve of air control oil tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770683U true CN203770683U (en) | 2014-08-13 |
Family
ID=51287874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420179075.6U Expired - Fee Related CN203770683U (en) | 2014-04-03 | 2014-04-03 | Sea valve of air control oil tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956912A (en) * | 2017-12-06 | 2018-04-24 | 永嘉县信诚科技服务有限公司 | The manual oil drain valve of oil truck |
| CN111102359A (en) * | 2019-12-19 | 2020-05-05 | 河北驰润石油化工机械设备科技有限公司 | Special emergency cut-off valve for oil tank truck |
-
2014
- 2014-04-03 CN CN201420179075.6U patent/CN203770683U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956912A (en) * | 2017-12-06 | 2018-04-24 | 永嘉县信诚科技服务有限公司 | The manual oil drain valve of oil truck |
| CN111102359A (en) * | 2019-12-19 | 2020-05-05 | 河北驰润石油化工机械设备科技有限公司 | Special emergency cut-off valve for oil tank truck |
| CN111102359B (en) * | 2019-12-19 | 2022-03-15 | 河北驰润石油化工机械设备科技有限公司 | Special emergency cut-off valve for oil tank truck |
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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: 20140813 Termination date: 20150403 |
|
| EXPY | Termination of patent right or utility model |