CN213332594U - Self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for low-temperature pressure container - Google Patents
Self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for low-temperature pressure container Download PDFInfo
- Publication number
- CN213332594U CN213332594U CN202022328173.XU CN202022328173U CN213332594U CN 213332594 U CN213332594 U CN 213332594U CN 202022328173 U CN202022328173 U CN 202022328173U CN 213332594 U CN213332594 U CN 213332594U
- Authority
- CN
- China
- Prior art keywords
- valve
- pneumatic
- supporting frame
- fusing
- self
- 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.)
- Active
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a self-fusing pneumatic and manual dual-purpose fireproof blocking valve for a low-temperature pressure container, wherein connecting ends are arranged on two sides of a valve body component, a valve ball is arranged in the valve body, the top of the valve ball is connected with a valve rod, an extension sleeve is arranged outside the valve rod, the bottom end of the extension sleeve is fixedly connected with the valve body, and the top end of the extension sleeve is connected with a transmission mechanism; a supporting frame of the transmission mechanism is arranged at the top end of the extension sleeve, the bottom of a connecting rod positioned in the supporting frame is connected with the top end of the valve rod, a single-action pneumatic actuator is arranged at the top of the supporting frame, and an fusible plug device is arranged on the single-action pneumatic actuator. The utility model discloses simple structure, design benefit, it is rationally distributed, block the valve with this kind of fire prevention and install on the storage tank of the flammable and explosive medium of splendid attire, can regard as fire prevention, fire-retardant first protective screen, it can react in the time of the utmost point is automatic, reduces the output of combustible medium as far as possible, and then makes the contribution for controlling the condition of a fire when the accident appears.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a valve is blocked in pneumatic manual dual-purpose fire prevention of self-fusing formula for low temperature pressure vessel.
Background
Various pneumatic or manual valves are required to be arranged on a storage tank or a conveying pipeline of the low-temperature pressure container to control the opening and closing states of the tank body or the pipeline. Because some media have high dangerousness, once a fire occurs, if the transportation of the media cannot be cut off in time, the fire is difficult to control, explosion and the like can occur. If use pneumatic valve, carry out the cutting off of medium transport through the mode of cutting off the air supply after the discovery condition of a fire, the medium that can't be in time cut off on one hand, can lead to the expansion of condition of a fire, on the other hand under the condition of firing, personnel probably can't be close to the valve, can't operate. In addition, if the air source pipeline fails, the valve cannot be normally opened and closed, and accidents can be caused. If the manual valve is used, the risk caused by failure of a pipeline can be avoided, but the valve is opened and closed by operators on the spot, so that remote operation cannot be realized, and the manual operation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide a low temperature pressure vessel is with blocking valve from pneumatic manual dual-purpose fire prevention of fusing formula.
In order to solve the technical problem, the technical scheme of the utility model is that: the self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for the low-temperature pressure container comprises a valve body component and a transmission mechanism; the valve body component comprises a valve body, connecting ends are arranged on two sides of the valve body, a valve ball is arranged in the valve body, the top of the valve ball is connected with a valve rod, an extension sleeve is arranged outside the valve rod, the bottom end of the extension sleeve is fixedly connected with the valve body, and the top end of the extension sleeve is connected with a transmission mechanism; the transmission mechanism comprises a supporting frame, the supporting frame is arranged at the top end of the extension sleeve, the bottom of a connecting rod positioned in the supporting frame is connected with the top end of a valve rod, a single-action pneumatic actuator is arranged at the top end of the supporting frame, a square groove at the center of a cylinder body of the single-action pneumatic actuator is connected with the top of the connecting rod, the upper part of a gear shaft of the single-action pneumatic actuator is of a square structure, the top end of the gear shaft penetrates out of the single-action pneumatic actuator, a limiting pin is arranged on the connecting rod, a handle is arranged in the supporting frame, a torsion spring and a pneumatic manual switching bolt are arranged between the handle and the supporting frame, a limiting groove is arranged on the handle and is clamped with the limiting pin on the connecting rod, a safety bolt penetrates through the supporting frame to be in threaded connection with the connecting rod, a cylindrical compression spring is arranged in the supporting frame, an fusible plug is arranged at the bottom of the supporting frame, and the fusible plug is positioned below the front end of the handle.
Further, the both sides of valve body all install the link through the bolt.
Further, the support frame is fixed to the top of the extension sleeve by bolts.
Further, the support frame is fixed to the bottom of the single-acting pneumatic actuator by bolts.
Furthermore, the single-action pneumatic actuator is connected with the air compressor through a pneumatic pipeline.
Furthermore, the top end of the gear shaft penetrates through the single-action pneumatic actuator and is sleeved with a dust cover.
Further, the handle is fixed inside the support frame by bolts.
Furthermore, the cylindrical compression spring and the fusible plug are fastened through a bolt and a nut.
The utility model discloses simple structure, design benefit, it is rationally distributed, block the valve with this kind of fire prevention and install on the storage tank of the flammable and explosive medium of splendid attire, can regard as fire prevention, fire-retardant first protective screen, it can react in the time of the utmost point is automatic, reduces the output of combustible medium as far as possible, and then makes the contribution for controlling the condition of a fire when the accident appears.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
Wherein: 1. the pneumatic actuator comprises a single-action pneumatic actuator, 2, a supporting frame, 3, a handle, 4, a valve rod, 5, an extension sleeve, 6, a valve body, 7, a connecting end, 8, a valve ball, 9, a connecting rod, 10, an fusible plug, 11, a cylindrical compression spring, 12, a pneumatic manual switching bolt, 13, a safety bolt, 14 and a limiting pin.
Detailed Description
The following describes the embodiments of the present invention with reference to fig. 1 and 2.
The self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for the low-temperature pressure container comprises a valve body component and a transmission mechanism.
The valve body part includes valve body 6, and link 7 is all installed to the both sides of valve body 6, is provided with valve ball 8 in the valve body 6, and valve ball 8's top is connected with valve rod 4, and extension sleeve 5 is equipped with outward to valve rod 4, and extension sleeve 5's bottom and valve body 6 fixed connection, extension sleeve 5's top and drive mechanism are connected.
The transmission mechanism comprises a supporting frame 2, the supporting frame 2 is arranged at the top end of an extension sleeve 5, the bottom of a connecting rod 9 positioned in the supporting frame 2 is connected with the top end of a valve rod 4, a single-action pneumatic actuator 1 is arranged at the top end of the supporting frame 2, a square groove at the center of a cylinder body of the single-action pneumatic actuator 1 is connected with the top end of the connecting rod 9, the upper part of a gear shaft of the single-action pneumatic actuator 1 is of a square structure, the top end of the gear shaft penetrates out of the single-action pneumatic actuator 1, a limiting pin 14 is arranged on the connecting rod 9, a handle 3 is arranged in the supporting frame 2, a torsional spring and a pneumatic manual switching bolt 12 are arranged between the handle 3 and the supporting frame 2, the torsional spring can rotate, a limiting groove is arranged on the handle 3 and is clamped with the limiting, the safety bolt 13 is used for keeping the valve at an opening position, the single-action pneumatic actuator 1 is provided with an fusible plug device, the fusible plug device comprises a fusible plug 10 and a cylindrical compression spring 11, the supporting frame 2 is internally provided with the cylindrical compression spring 11, the bottom of the supporting frame 2 is provided with the fusible plug 10, and the fusible plug device is positioned below the front end of the handle 3.
The connecting ends 7 are mounted on two sides of the valve body 6 through bolts.
The support frame 2 is fixed to the top of the extension sleeve 5 by bolts.
The support frame 2 is fixed to the bottom of the single-acting pneumatic actuator 1 by bolts.
The single-acting pneumatic actuator 1 is connected with an air compressor through a pneumatic pipeline.
The top end of the gear shaft penetrates through the single-action pneumatic actuator 1 and is sleeved with a dust cover.
The handle 3 is fixed inside the support frame 2 by bolts.
The cylindrical compression spring 11 and the fusible plug 10 are fastened by a bolt and a nut.
When the pneumatic function is used, the handle 3 of the transmission mechanism is fixed at a specific position by a pneumatic manual switching bolt 12, and the rotation of the connecting rod 9 is completely controlled by the single-action pneumatic actuator 1. Because of the stability of pneumatic control, the connecting piece 9 can not generate stress concentration when rotating, the transmission mechanism is not deformed, the accuracy of the rotating angle is ensured, and the service life of the product is ensured.
When the manual function is used, the pneumatic manual switching bolt 12 for fixing the handle 3 is screwed off, the handle 3 is in a horizontal position at the moment, the front end of the handle is positioned on the fusible plug device, the gear shaft penetrating out of the upper part of the single-action pneumatic actuator 1 is rotated to open the valve, and the connecting rod 9 in the transmission mechanism is clamped by the handle 3 and is kept in an open position at the moment. The tail end of the handle 3 is pulled downwards, so that the connecting rod 9 can be separated from the handle 3, the connecting rod 9 is released at the moment, and the connecting rod 9 is driven to rotate to close the valve due to the cylindrical compression spring 11 arranged in the single-action pneumatic actuator 1.
After ambient temperature reached specific range, the automatic triggering fusible plug 10 melts, and cylindrical compression spring 11 was released this moment, upwards bounced, upwards promoted handle 3, made connecting rod 9 and handle 3 separate, and connecting rod 9 was released this moment, because there is cylindrical compression spring 11 in the pneumatic actuator 1 inside of nonoculture, drives connecting rod 9 and rotates and close the valve, realizes the self-closing operation of valve, and then realizes the purpose of automatic cutout medium transport in the very first time. After the valve is closed, a spanner can be used for rotating a gear shaft penetrating out of the upper part of the single-action cylinder 1, and the purpose of opening the valve is achieved.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (8)
1. The self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for the low-temperature pressure container is characterized by comprising a valve body part and a transmission mechanism;
the valve body component comprises a valve body, connecting ends are arranged on two sides of the valve body, a valve ball is arranged in the valve body, the top of the valve ball is connected with a valve rod, an extension sleeve is arranged outside the valve rod, the bottom end of the extension sleeve is fixedly connected with the valve body, and the top end of the extension sleeve is connected with a transmission mechanism;
the transmission mechanism comprises a supporting frame, the supporting frame is arranged at the top end of the extension sleeve, the bottom of a connecting rod positioned in the supporting frame is connected with the top end of a valve rod, a single-action pneumatic actuator is arranged at the top end of the supporting frame, a square groove at the center of a cylinder body of the single-action pneumatic actuator is connected with the top of the connecting rod, the upper part of a gear shaft of the single-action pneumatic actuator is of a square structure, the top end of the gear shaft penetrates out of the single-action pneumatic actuator, a limiting pin is arranged on the connecting rod, a handle is arranged in the supporting frame, a torsion spring and a pneumatic manual switching bolt are arranged between the handle and the supporting frame, a limiting groove is arranged on the handle and is clamped with the limiting pin on the connecting rod, a safety bolt penetrates through the supporting frame to be in threaded connection with the connecting rod, a cylindrical compression spring is arranged in the supporting frame, an fusible plug is arranged at the bottom of the supporting frame, and the fusible plug is positioned below the front end of the handle.
2. The self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for the low-temperature pressure container as claimed in claim 1, wherein the connecting ends are installed on both sides of the valve body through bolts.
3. The self-fusing pneumatic/manual dual-purpose fire-blocking valve for a cryogenic pressure vessel of claim 1, wherein the support frame is fixed to the top of the extension sleeve by bolts.
4. The self-fusing pneumatic/manual fire-blocking valve for a cryogenic pressure vessel of claim 1, wherein the support frame is fixed to the bottom of the single-acting pneumatic actuator by bolts.
5. The self-fusing pneumatic/manual fire-resistant blocking valve for the low-temperature pressure container as claimed in claim 1, wherein the single-acting pneumatic actuator is connected to the air compressor through a pneumatic pipeline.
6. The self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for the low-temperature pressure container as claimed in claim 1, wherein the top end of the gear shaft penetrates through the single-acting pneumatic actuator and is sleeved with a dust cap.
7. The self-fusing pneumatic/manual dual-purpose fire-blocking valve for a cryogenic pressure vessel of claim 1, wherein the handle is fixed inside the support frame by bolts.
8. The self-fusing pneumatic/manual dual-purpose fire-proof blocking valve for the low-temperature pressure vessel as claimed in claim 1, wherein the cylindrical compression spring and the fusible plug are fastened by a bolt and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022328173.XU CN213332594U (en) | 2020-10-19 | 2020-10-19 | Self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for low-temperature pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022328173.XU CN213332594U (en) | 2020-10-19 | 2020-10-19 | Self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for low-temperature pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213332594U true CN213332594U (en) | 2021-06-01 |
Family
ID=76073052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022328173.XU Active CN213332594U (en) | 2020-10-19 | 2020-10-19 | Self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for low-temperature pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213332594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383772A (en) * | 2021-11-30 | 2022-04-22 | 安徽大学 | Intelligent pressure instrument with automatic deviation rectifying and calibrating functions |
-
2020
- 2020-10-19 CN CN202022328173.XU patent/CN213332594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383772A (en) * | 2021-11-30 | 2022-04-22 | 安徽大学 | Intelligent pressure instrument with automatic deviation rectifying and calibrating functions |
| CN114383772B (en) * | 2021-11-30 | 2024-03-08 | 安徽大学 | Intelligent pressure instrument with automatic correction function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213332594U (en) | Self-fusing pneumatic and manual dual-purpose fire-proof blocking valve for low-temperature pressure container | |
| CA2349648C (en) | Self-closing fire rated floor door | |
| US3323438A (en) | Explosion and fire release ventilator | |
| CN110131436B (en) | Fireproof blocking valve with self-fusing function and convenient to operate | |
| US4230161A (en) | Thermal manual emergency shut off valve | |
| US4890635A (en) | Fire control valve | |
| US2673707A (en) | Safety cutoff valve having bellows controlled trip | |
| US5052494A (en) | Explosion suppression device | |
| CN210266127U (en) | Self-fusing type fireproof blocking valve for LNG container | |
| CN213332595U (en) | Self-fusing type pneumatic fireproof blocking valve for low-temperature pressure container | |
| CN109882624B (en) | Low-temperature emergency cut-off valve with novel spring cylinder separation type structure | |
| CN111980555A (en) | Steel fireproof door for inflammable storage warehouse | |
| CA1321116C (en) | Pressure relief valve | |
| CN209977316U (en) | Fire prevention blocking valve with from fusing function and be convenient for operation | |
| CN205371791U (en) | Booster quick action emergency valve | |
| JPH08277950A (en) | Safely operating device for valve and usage thereof | |
| CN212537501U (en) | Emergency shut-off device and system for steel cylinder valve | |
| CN2550599Y (en) | Actuator for smoke exhausting and fire-proof valve | |
| CN219493173U (en) | Thermal fusing fireproof ball valve | |
| CN210153317U (en) | Low-temperature emergency cut-off valve capable of being controlled pneumatically and manually | |
| CN110748699A (en) | Zero-pressure-loss bidirectional high-speed explosion blocking device for pipeline | |
| CN215763505U (en) | Fire control is with safe type high temperature resistant normal close smoke damper | |
| CN220850909U (en) | Emergency cut-off valve with high Wen Jiesuo device | |
| CN207830662U (en) | Reusable fusing valve | |
| CN108190283B (en) | A kind of urgent balancing device of storage tank abnormal pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |