CN221121002U - Special emergency cut-off valve for tank truck - Google Patents
Special emergency cut-off valve for tank truck Download PDFInfo
- Publication number
- CN221121002U CN221121002U CN202323276395.1U CN202323276395U CN221121002U CN 221121002 U CN221121002 U CN 221121002U CN 202323276395 U CN202323276395 U CN 202323276395U CN 221121002 U CN221121002 U CN 221121002U
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- China
- Prior art keywords
- valve
- spring
- fixed
- plate
- tank truck
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- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a special emergency stop valve for a tank truck, which is applied to the field of emergency stop valves and comprises a valve seat, wherein the interior of the valve seat is rotationally connected with a valve clack, the top of the valve clack is welded with a valve rod, the other end of the valve rod is provided with a pneumatic actuating mechanism, the interior of the valve seat is provided with two first sealing rings, the opposite sides of the two first sealing rings are respectively provided with a second sealing ring, the interior of the valve seat is bolted with a substrate, a fixed spring is bolted between the other side of the substrate and the first sealing rings through a spring fixing piece, a damper is arranged between the other side of the substrate and the first sealing rings, the surface of the valve seat is symmetrically bolted with a fixed frame, and the interior of the fixed frame is provided with a fixed plate; can realize that the installation is convenient with dismantling, easy operation is convenient, has improved staff's maintenance efficiency, can improve the wear-resisting effect of inside packing ring simultaneously, has prolonged the life of trip valve, and the practicality is high.
Description
Technical Field
The utility model relates to the field of emergency shut-off valves, in particular to a special emergency shut-off valve for a tank truck.
Background
The mine tank truck is a vehicle for carrying lubricating grease and provides lubrication guarantee for mechanical equipment at the mine bottom, the bottom of the crude mine tank truck is only provided with a common valve and is connected with a rubber pipe, the occurrence of secondary accidents caused by leakage of internal lubricating grease is easy to occur when accidents occur, and an emergency cut-off valve is required to be installed on the vehicle in order to strengthen the safety of the vehicle.
At present, the Chinese utility model with the publication number of CN211667183U discloses a lever type wear-resistant eccentric half ball valve, the structure of which comprises a valve body, a flange and a bracket, the utility model has the following beneficial effects that the middle part of the bottom end of the valve body is provided with a reinforcing device, the connection is stable at the bottom end of an eccentric hemispherical valve core through a inserted link, an angular contact bearing provides preliminary rotation assistance, a thrust bearing provides secondary rotation assistance, and the beneficial effect of slowing down the wear rate by increasing a supporting stress part is achieved; and set up encryption device between valve body inner wall right part and eccentric hemisphere case right-hand member, can be in outer solid ring department screw thread rotation through rotating the closing lid, press into inboard and pressure in interior ring pole department in backup pad department to the depression bar, make annular rubber seat bulge with annular rubber seat inside pressurized, increase with eccentric hemisphere case degree of adherence, reached and set up the pressure and add the position part in order to improve wearing and tearing back sealing member's result of use.
The existing emergency cut-off valve has the advantages that although the internal sealing effect is good, liquid leakage can be avoided, other problems such as poor abrasion resistance exist in the using process, because the internal sealing ring is fixedly installed, when the ball body rotates under the action of the valve rod, the ball body is pressed to the sealing ring and deformed, damage and accelerated abrasion can occur under the condition of long-term pressing, the service life of the cut-off valve is reduced, the welding support below the cut-off valve is fixed with the ground through screws directly, and when the cut-off valve is regularly maintained and needs to be disassembled for inspection, the lower fixing bolt is required to be disassembled and assembled, so that the workload of workers is increased.
Disclosure of utility model
The utility model aims to provide an emergency stop valve special for a tank truck, which solves the problems that the abrasion resistance of an internal sealing ring of the conventional stop valve is poor and the disassembly and assembly are inconvenient during overhauling.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a special emergency cut-off valve of tank car, includes the disk seat, the inside rotation of disk seat is connected with the valve clack, the top welding of valve clack has the valve rod, pneumatic actuating mechanism is installed to the other end of valve rod, the inside of disk seat is provided with two first sealing washer, two the second sealing washer is all installed to one side that the first sealing washer is opposite, the inside bolt of disk seat has the base plate, install the attenuator through the spring stationary blade bolt between opposite side and the first sealing washer of base plate, the surface symmetry bolt of disk seat has the fixed frame, the inside of fixed frame is provided with the fixed plate, there is spacing spring through the spring stationary blade bolt between one side of fixed plate and the fixed frame, the bottom of disk seat is provided with the mounting panel, the both sides of mounting panel all have the limiting plate through the draw-in groove joint, the opposite side and the fixed plate welding of limiting plate.
By adopting the technical scheme, the installation and the disassembly are convenient, the operation is simple and convenient, the overhaul efficiency of workers is improved, the wear-resisting effect of the internal gasket can be improved, the service life of the cut-off valve is prolonged, and the practicability is high.
The utility model is further provided with: and flange plates are welded at two ends of the valve seat.
By adopting the technical scheme, the flange plate is arranged, so that the pipeline can be conveniently connected with the pipeline.
The utility model is further provided with: one side of the fixed plate is provided with a limiting rod in a penetrating way, and two ends of the limiting rod are welded with the inside of the fixed frame.
By adopting the technical scheme, the fixing plate can be limited through the setting of the limiting rod, and the situation that the fixing plate inclines in the process of moving left and right is avoided.
The utility model is further provided with: and the top of the mounting plate is provided with a mounting hole.
By adopting the technical scheme, through the arrangement of the mounting holes, the mounting plate can be conveniently mounted and fixed by a worker, and the trouble of temporary punching is reduced.
The utility model is further provided with: the first sealing ring and the second sealing ring are made of nitrile rubber materials.
By adopting the technical scheme, the first sealing ring and the second sealing ring have the characteristics of wear resistance, good air tightness, excellent heat resistance and excellent chemical corrosion resistance.
The utility model is further provided with: the fixing spring and the limiting spring are both made of carbon spring steel materials.
By adopting the technical scheme, the fixed spring and the limit spring have the characteristics of excellent mechanical property, good anti-elastic reduction performance, low temperature resistance and corrosion resistance.
In summary, the utility model has the following beneficial effects:
1. according to the utility model, the mounting plate is fixed at the specified position by using the screw, then the fixing plate is grasped by hand and pulled outwards, the fixing plate is pressed to the limit spring through the cooperation of the fixing frame and the limit rod when being pulled outwards, and the limit plate is inserted into the clamping groove and the hand is loosened after the fixing plate is pulled outwards to the bottom.
2. According to the utility model, the valve clack is driven to overturn through the fixation of the valve rod when the pneumatic actuating mechanism operates, the valve clack can prop against the first sealing ring and the second sealing ring to force the valve clack to move outwards when the valve clack overturns, the first sealing ring reserves a space for the valve clack to overturn when the valve clack outwards moves, the valve clack can be pressed to the fixed spring and the damper, the valve clack overturns to complete the prop-against force, the first sealing ring and the second sealing ring can reset and seal, the wear-resisting effect of the internal gasket can be improved, the service life of the cut-off valve is prolonged, and the practicability is high.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a front cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;
fig. 4 is an enlarged view of the structure of fig. 2B according to the present utility model.
Reference numerals: 1. a valve seat; 2. a valve flap; 3. a valve stem; 4. a pneumatic actuator; 5. a first seal ring; 6. a second seal ring; 7. a substrate; 8. a fixed spring; 9. a damper; 10. a fixed frame; 11. a fixing plate; 12. a limit spring; 13. a mounting plate; 14. a limiting plate; 15. a flange plate; 16. a limit rod; 17. and (5) mounting holes.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1:
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a special emergency cut-off valve for tank car, including disk seat 1, disk seat 1's inside rotates and is connected with valve clack 2, valve rod 3 is welded at the top of valve clack 2, pneumatic actuating mechanism 4 is installed to the other end of valve rod 3, disk seat 1's inside is provided with two first sealing washer 5, second sealing washer 6 is all installed to the one side that two first sealing washer 5 are opposite, disk seat 1's inside bolt has base plate 7, install fixed spring 8 through the spring stationary blade bolt between base plate 7's opposite side and first sealing washer 5, install attenuator 9 between base plate 7's opposite side and the first sealing washer 5, can drive valve clack 2 through the fixed of valve rod 3 and overturn, valve clack 2 can support and move first sealing washer 5 and second sealing washer 6 when overturning forces its outwards, first sealing washer 5 can reserve the space that supplies valve clack 2 to overturn when outwards, still can be to fixed spring 8 and attenuator 9, accomplish when valve clack 2 overturns and support and move dynamics and disappear, and first sealing washer 5 and second 6 can then reset and seal up the high-performance of life of the gasket, high practical use has been prolonged.
Referring to fig. 1 and 2, flanges 15 are welded at both ends of the valve seat 1, and connection with a pipe can be facilitated by the arrangement of the flanges 15.
Referring to fig. 2 and 3, the first seal ring 5 and the second seal ring 6 are made of nitrile rubber, and the first seal ring 5 and the second seal ring 6 have the characteristics of wear resistance, good air tightness, excellent heat resistance and excellent chemical corrosion resistance.
Referring to fig. 3 and 4, the fixing spring 8 and the limiting spring 12 are made of carbon spring steel, and the fixing spring 8 and the limiting spring 12 have the characteristics of excellent mechanical properties, good elastic reduction resistance, low temperature resistance and corrosion resistance.
The use process is briefly described: the valve clack 2 is driven to overturn through the fixed lower valve rod 3 when the pneumatic actuating mechanism 4 operates, the valve clack 2 can prop against the first sealing ring 5 and the second sealing ring 6 to force the valve clack 2 to move outwards when the valve clack 2 overturns, the first sealing ring 5 can reserve a space for the valve clack 2 to overturn when moving outwards, the valve clack 2 can be pressed to the fixed spring 8 and the damper 9, the propping force can disappear when the valve clack 2 overturns, and the first sealing ring 5 and the second sealing ring 6 can reset and seal.
Example 2:
Referring to fig. 1, fig. 2 and fig. 4, a special emergency stop valve for a tank truck, the fixed frame 10 is symmetrically bolted on the surface of the valve seat 1, the fixed plate 11 is arranged in the fixed frame 10, one side of the fixed plate 11 and the fixed frame 10 are bolted with the limiting spring 12 through the spring fixing piece, the mounting plate 13 is arranged at the bottom of the valve seat 1, both sides of the mounting plate 13 are respectively provided with the limiting plate 14 through clamping grooves, the other side of the limiting plate 14 is welded with the fixed plate 11, the mounting plate 13 is fixed at a specified position by using screws first, then the fixed plate 11 is pulled outwards by hand, the fixed plate 11 can be pressed to the limiting spring 12 through the cooperation of the fixed frame 10 and the limiting rod 16 when pulled outwards, the limiting plate 14 is inserted into the clamping grooves and the hand is loosened after the fixed plate 11 is pulled outwards, because the limiting spring 12 has elasticity, the fixed plate 11 is driven to reset and move and be tightly attached to the side of the mounting plate 13 when rebounded, the operation is simple and convenient, and maintenance efficiency of a worker is improved.
Referring to fig. 4, one side of the fixing plate 11 is provided with a limiting rod 16 in a penetrating manner, both ends of the limiting rod 16 are welded with the inside of the fixing frame 10, and the fixing plate 11 can be limited through the arrangement of the limiting rod 16, so that the situation that the fixing plate 11 inclines in the process of moving left and right is avoided.
Referring to fig. 1 and 2, the mounting hole 17 has been seted up at the top of mounting panel 13, through the setting of mounting hole 17, can be convenient for the staff install fixedly mounting panel 13, has reduced the trouble of temporarily punching.
The use process is briefly described: through fixing mounting panel 13 in the assigned position with the screw earlier, then grasp fixed plate 11 outwards pulling with the hand, fixed plate 11 can be through fixed frame 10 and the cooperation of gag lever post 16 down oppression limit spring 12 when drawing outward, draw limiting plate 14 to inserting in the draw-in groove and loosen the hand after the fixed plate 11 outwards, because limit spring 12 possesses elasticity, can drive fixed plate 11 and reset and remove and closely laminate with the side of mounting panel 13 when self resilience.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (6)
1. The utility model provides a special emergency stop valve of tank car, includes disk seat (1), its characterized in that: the inside rotation of disk seat (1) is connected with valve clack (2), the top welding of valve clack (2) has valve rod (3), pneumatic actuating mechanism (4) are installed to the other end of valve rod (3), the inside of disk seat (1) is provided with two first sealing washer (5), two second sealing washer (6) are all installed to one side that first sealing washer (5) are facing away from, the inside bolt of disk seat (1) has base plate (7), there is fixed spring (8) through the spring stationary blade bolt between the opposite side of base plate (7) and first sealing washer (5), install attenuator (9) between the opposite side of base plate (7) and first sealing washer (5), the surface symmetry bolt of disk seat (1) has fixed frame (10), the inside of fixed frame (10) is provided with fixed plate (11), there is spacing spring (12) through the spring stationary blade bolt between one side of fixed plate (11) and the fixed frame (10), the bottom of disk seat (1) is provided with base plate (13), there is spacing plate (14) through the draw-in groove of both sides (13) and fixed plate (14).
2. The emergency shut-off valve special for the tank truck according to claim 1, wherein the flange plates (15) are welded at the two ends of the valve seat (1).
3. The emergency stop valve special for the tank truck according to claim 1, wherein one side of the fixed plate (11) is provided with a limiting rod (16) in a penetrating manner, and two ends of the limiting rod (16) are welded with the inside of the fixed frame (10).
4. The emergency shut-off valve special for the tank truck according to claim 1, wherein the top of the mounting plate (13) is provided with a mounting hole (17).
5. The emergency shut-off valve special for the tank truck according to claim 1, wherein the first sealing ring (5) and the second sealing ring (6) are made of nitrile rubber materials.
6. The emergency stop valve special for the tank truck according to claim 1, wherein the fixed spring (8) and the limit spring (12) are both made of carbon spring steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276395.1U CN221121002U (en) | 2023-12-04 | 2023-12-04 | Special emergency cut-off valve for tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276395.1U CN221121002U (en) | 2023-12-04 | 2023-12-04 | Special emergency cut-off valve for tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221121002U true CN221121002U (en) | 2024-06-11 |
Family
ID=91345289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323276395.1U Active CN221121002U (en) | 2023-12-04 | 2023-12-04 | Special emergency cut-off valve for tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221121002U (en) |
-
2023
- 2023-12-04 CN CN202323276395.1U patent/CN221121002U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |