CN216843207U - Improved pneumatic conveying dome valve with high sealing performance - Google Patents
Improved pneumatic conveying dome valve with high sealing performance Download PDFInfo
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- CN216843207U CN216843207U CN202122695165.3U CN202122695165U CN216843207U CN 216843207 U CN216843207 U CN 216843207U CN 202122695165 U CN202122695165 U CN 202122695165U CN 216843207 U CN216843207 U CN 216843207U
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- fixedly connected
- valve body
- pneumatic conveying
- motor
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Abstract
The utility model relates to the technical field of dome valves and discloses an improved high-sealing pneumatic conveying dome valve which comprises a valve body, wherein short rods are rotatably connected between the inner walls of the valve body through bearings, a valve core is fixedly connected between the two short rods, and gears are fixedly connected to the outer surfaces of the two short rods. This follow-on high leakproofness pneumatic conveyor calotte valve, motor through the setting, the motor drives the quarter butt and rotates, the quarter butt drives the case and rotates, thereby play the opening and shutting of calotte valve, when the calotte valve is in the closed condition, the quarter butt drives gear revolve, the gear drives the direction rebound of rack along the spout, the rack drives the telescopic link and removes, the telescopic link drives the piston and removes, the first gasbag of piston extrusion, make the gas in the first gasbag pass through in the trachea gets into the second gasbag, the second gasbag inflation, exert pressure to rubber seal and make the sealing rubber circle can laminate with the case secret, the leakproofness of improvement device.
Description
Technical Field
The utility model relates to the technical field of dome valves, in particular to an improved pneumatic conveying dome valve with high sealing property.
Background
The uniqueness of the dome valve is: it can shut off the flowing stream or the stationary column of material entering the pressure tank and then close to effect a seal. Thereby ensuring that the filling rate of the pressure tank is 100 percent, and the control principle is simple and reliable without depending on a material level meter of the sending tank.
The well-known pneumatic conveying dome valve is formed by assembling an inflating cylinder, a transmission cylinder, a rotating arm shaft, a metal ball top, a valve body, a metal sealing gasket, a rubber sealing ring, a support ring and a top plate, wherein the inflating cylinder is started to inflate the rubber sealing ring and seal the metal ball top, the inflating air pressure is larger than the pressure generated by materials, after the materials are full of materials, the inflating cylinder is closed, the transmission cylinder is started, the rotating arm shaft is operated to rotate the metal ball top, the opening state of the dome valve is switched to enable the materials to be conveyed through the dome valve, and the process is circulated in sequence.
However, the opening and closing frequency is too high, and the rubber sealing ring is not tightly sealed after being used for a long time, so the improved pneumatic conveying dome valve with high sealing performance is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides an improved pneumatic conveying dome valve with high sealing performance, which has the advantages that the rubber sealing ring is pressed to be attached to a valve core machine, the sealing performance of the device is improved, and the like, and the problem that the rubber sealing ring is not firmly sealed after being used for a long time is solved.
(II) technical scheme
The utility model provides the following technical scheme: an improved pneumatic conveying dome valve with high sealing performance comprises a valve body, wherein short rods are rotatably connected between the inner walls of the valve body through bearings, a valve core is fixedly connected between the two short rods, gears are fixedly connected to the outer surfaces of the two short rods, sliding grooves are formed in the left side wall and the right side wall of the interior of the valve body, racks are slidably connected to the interiors of the two sliding grooves, the racks are meshed with the gears, sleeves are fixedly connected to the left side wall and the right side wall of the interior of the valve body, pistons are arranged in the sleeves, first air bags are arranged in the sleeves, telescopic rods are fixedly connected between the pistons and the racks, sealing rings are fixedly connected to the inner walls of the valve body, grooves are formed in the outer surfaces of the sealing rings, second air bags are mounted in the grooves, and air pipes are fixedly connected between the first air bags and the second air bags, and a rubber sealing ring is arranged on the outer side of the second air bag.
The utility model is further configured as follows: the telescopic link includes inside hollow installation piece, two slide bars of fixedly connected with between the inside roof of installation piece and the diapire, two sliding connection has the sliding plate between the surface of slide bar, the lower surface of sliding plate with be connected with the spring between the installation piece, the last fixed surface of sliding plate is connected with the stock, the one end of stock run through and extend to the top of installation piece, and with link to each other between the piston, the installation piece is installed the surface of rack.
Through adopting above-mentioned technical scheme, play flexible effect, guarantee that the stock can be smooth can take out the insertion at the installation piece, and under the elasticity of elasticity, can exert pressure to first gasbag through the piston, make in gas in it can get into the second gasbag, and then exert pressure to rubber seal.
The utility model is further provided with: the outer surface of the valve body is provided with a motor, and the output end of the motor is fixedly connected with the short rod.
Through adopting above-mentioned technical scheme, for the rotation of quarter butt, provide power, the model of motor can be according to the work demand, carries out nimble selection.
The utility model is further provided with: the outer surface mounting of valve body has the motor protective housing, the motor protective housing installation the surface of motor.
The motor is provided with stable supporting force and working height, and the effect of protecting the motor is achieved.
The utility model is further provided with: the first balloon has a volume greater than a volume of the second balloon.
Through adopting above-mentioned technical scheme, guarantee that the second gasbag can exert pressure to rubber seal all the time, improve the leakproofness.
The utility model is further provided with: and a second sealing ring is arranged on the outer surface of the valve core and corresponds to the rubber sealing ring.
Through adopting above-mentioned technical scheme, play the effect that further improves the leakproofness.
(III) advantageous effects
Compared with the prior art, the utility model provides an improved pneumatic conveying dome valve with high sealing performance, which has the following beneficial effects:
this follow-on high leakproofness pneumatic conveyor calotte valve, when using, motor through the setting, the motor drives the quarter butt and rotates, the quarter butt drives the case and rotates, thereby play opening and shutting of calotte valve, when the calotte valve is in the closed condition, the quarter butt drives gear revolve, the gear drives the direction rebound of rack along the spout, the rack drives the telescopic link and removes, the telescopic link drives the piston and removes, the first gasbag of piston overstock, make in the first gasbag gaseous trachea entering second gasbag that passes through, the inflation of second gasbag, exert pressure to rubber seal and make the sealing rubber circle can laminate with the case secret, improve the leakproofness of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
fig. 3 is a schematic view of the telescopic rod structure of the present invention.
In the figure: 1. a valve body; 2. a short bar; 3. a motor; 4. a valve core; 5. a gear; 6. a chute; 7. a rack; 8. a sleeve; 9. a piston; 10. a first air bag; 11. a telescopic rod; 12. a seal ring; 13. a groove; 14. a second air bag; 15. an air tube; 16. a rubber seal ring; 1101. mounting blocks; 1102. a slide bar; 1103. a sliding plate; 1104. a spring; 1105. a long rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an improved pneumatic conveying dome valve with high sealing performance comprises a valve body 1, wherein short rods 2 are rotatably connected between the inner walls of the valve body 1 through bearings, a valve core 4 is fixedly connected between the two short rods 2, gears 5 are fixedly connected to the outer surfaces of the two short rods 2, chutes 6 are respectively formed in the left side wall and the right side wall of the valve body 1, racks 7 are respectively slidably connected to the interiors of the two chutes 6, the racks 7 are meshed with the gears 5, sleeves 8 are respectively fixedly connected to the left side wall and the right side wall of the valve body 1, pistons 9 are arranged in the sleeves 8, first air bags 10 are arranged in the sleeves 8, telescopic rods 11 are fixedly connected between the pistons 9 and the racks 7, sealing rings 12 are fixedly connected to the inner walls of the valve body 1, grooves 13 are formed in the outer surfaces of the sealing rings 12, and second air bags 14 are arranged in the grooves 13, an air pipe 15 is fixedly connected between the first air bag 10 and the second air bag 14, and a rubber sealing ring 6 is installed on the outer side of the second air bag 14.
Further, the telescopic rod 11 comprises a mounting block 1101 with a hollow inside, two sliding rods 1102 are fixedly connected between the top wall and the bottom wall of the inside of the mounting block 1101, a sliding plate 1103 is slidably connected between the outer surfaces of the two sliding rods 1102, a spring 1104 is connected between the lower surface of the sliding plate 1103 and the mounting block 1101, a long rod 1105 is fixedly connected to the upper surface of the sliding plate 1103, one end of the long rod 1105 penetrates through and extends to the upper side of the mounting block 1101 and is connected with the piston 9, and the mounting block 1101 is mounted on the outer surface of the rack 7.
The telescopic effect is achieved, the long rod 1105 can be smoothly inserted into and pulled out of the mounting block 1101, and under the elastic force of the elastic force 1104, the piston 9 can apply pressure to the first air bag 10, so that the air in the first air bag can enter the second air bag 14, and further the rubber sealing ring 6 is applied with pressure.
Further, a motor 3 is installed on the outer surface of the valve body 1, and the output end of the motor 3 is fixedly connected with the short rod 2.
The motor 3 can be flexibly selected according to the working requirement for providing power for the rotation of the short rod 2.
Further, the outer surface mounting of valve body 1 has the motor protective housing, and the surface of motor is installed to the motor protective housing.
Provides stable supporting force and working height for the motor 3 and simultaneously has the effect of protecting the motor 3.
Further, the volume of the first balloon 10 is larger than the volume of the second balloon 14.
The second air bag 14 can always exert pressure on the rubber sealing ring 6, and the sealing performance is improved.
Further, the outer surface of the valve core 4 is provided with a second sealing ring, and the second sealing ring corresponds to the rubber sealing ring 6.
The effect of further improving the sealing performance is achieved.
To sum up, this follow-on high leakproofness pneumatic conveying dome valve, when using, through the motor 3 that sets up, motor 3 drives short rod 2 and rotates, short rod 2 drives case 4 and rotates, thereby play the opening and shutting of dome valve, when the dome valve is in the closed condition, short rod 2 drives gear 5 and rotates, gear 5 drives rack 7 along the direction rebound of spout 6, rack 7 drives telescopic link 11 and removes, telescopic link 11 drives piston 9 and removes, first gasbag 10 is overstocked to piston 9, make in the gas in the first gasbag 10 passes through trachea 15 and gets into second gasbag 14, second gasbag 14 inflation, 16 application pressure of rubber seal make sealing rubber circle 16 closely laminate with case 4, improve the leakproofness of device.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts the mature conventional means in the prior art, the machinery, the parts and the equipment all adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are all electrically connected with an external main controller and a mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high leakproofness pneumatic conveying dome valve of follow-on, includes valve body (1), its characterized in that: the inner wall of the valve body (1) is rotatably connected with short rods (2) through bearings, a valve core (4) is fixedly connected between the two short rods (2), gears (5) are fixedly connected to the outer surfaces of the two short rods (2), sliding grooves (6) are formed in the left side wall and the right side wall of the interior of the valve body (1), racks (7) are slidably connected to the interiors of the two sliding grooves (6), the racks (7) are meshed with the gears (5), sleeves (8) are fixedly connected to the left side wall and the right side wall of the interior of the valve body (1), pistons (9) are arranged in the sleeves (8), first air bags (10) are arranged in the sleeves (8), telescopic rods (11) are fixedly connected between the pistons (9) and the racks (7), and sealing rings (12) are fixedly connected to the inner wall of the valve body (1), the outer surface of the sealing ring (12) is provided with a groove (13), a second air bag (14) is arranged in the groove (13), an air pipe (15) is fixedly connected between the first air bag (10) and the second air bag (14), and a rubber sealing ring (16) is arranged on the outer side of the second air bag (14).
2. An improved high-tightness pneumatic conveying dome valve as set forth in claim 1 wherein: the telescopic rod (11) comprises a hollow mounting block (1101), two sliding rods (1102) are fixedly connected between the top wall and the bottom wall of the inside of the mounting block (1101), a sliding plate (1103) is connected between the outer surfaces of the two sliding rods (1102), a spring (1104) is connected between the lower surface of the sliding plate (1103) and the mounting block (1101), a long rod (1105) is fixedly connected to the upper surface of the sliding plate (1103), one end of the long rod (1105) penetrates through and extends to the upper side of the mounting block (1101) and is connected with the piston (9), and the mounting block (1101) is mounted on the outer surface of the rack (7).
3. An improved high-tightness pneumatic conveying dome valve as set forth in claim 1 wherein: the outer surface mounting of valve body (1) has motor (3), the output of motor (3) with fixed connection between quarter butt (2).
4. An improved high-tightness pneumatic conveying dome valve as set forth in claim 3 wherein: the outer surface mounting of valve body (1) has the motor protective housing, the motor protective housing installation the surface of motor.
5. An improved high-tightness pneumatic conveying dome valve as set forth in claim 1 wherein: the volume of the first balloon (10) is greater than the volume of the second balloon (14).
6. An improved high-tightness pneumatic conveying dome valve as set forth in claim 1 wherein: and a second sealing ring is arranged on the outer surface of the valve core (4), and corresponds to the rubber sealing ring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695165.3U CN216843207U (en) | 2021-11-05 | 2021-11-05 | Improved pneumatic conveying dome valve with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695165.3U CN216843207U (en) | 2021-11-05 | 2021-11-05 | Improved pneumatic conveying dome valve with high sealing performance |
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| Publication Number | Publication Date |
|---|---|
| CN216843207U true CN216843207U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122695165.3U Active CN216843207U (en) | 2021-11-05 | 2021-11-05 | Improved pneumatic conveying dome valve with high sealing performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072022A (en) * | 2022-07-25 | 2022-09-20 | 延安随缘科技发展有限公司 | Spiral feeding device and method for split charging of thread sealing lubricating grease |
-
2021
- 2021-11-05 CN CN202122695165.3U patent/CN216843207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072022A (en) * | 2022-07-25 | 2022-09-20 | 延安随缘科技发展有限公司 | Spiral feeding device and method for split charging of thread sealing lubricating grease |
| CN115072022B (en) * | 2022-07-25 | 2024-01-23 | 延安随缘科技发展有限公司 | Screw feeding device and method for split charging of thread sealing lubricating grease |
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