Quick-opening and quick-closing valve device

Abstract

The utility model relates to the field of mechanical valves, in particular to a quick-opening and quick-closing valve device. The technical problems that an existing valve device is long in opening or closing time, consequently, the control effect of a valve is poor, friction between parts is large in the using process, and consequently operation between the parts is not smooth are solved. A quick-opening and quick-closing valve device comprises a valve body, a fixing shell is fixedly connected to the valve body, a sealing ring is fixedly connected to the valve body, a sliding rod is slidably connected to the fixing shell, the sliding rod penetrates through the sealing ring, a valve plug is fixedly connected to the bottom of the sliding rod, and the valve plug is fixedly connected to the valve body. And an extension spring is connected between the sliding rod and the fixed shell. The oil pump can convey lubricating oil into the oil storage ring through the oil pipe, the lubricating oil slowly drips out through the oil outlet in the bottom of the oil storage ring, the dripped lubricating oil can reduce friction between the sealing ring and the sliding rod, and then the valve can be opened and closed more quickly.

Description

Technical Field

[0001] The utility model relates to the field of mechanical valves, in particular to a quick-opening and quick-closing valve device. Background Art

[0002] In some special scenarios, it is necessary to quickly open or close the valve to quickly stop the delivery, to prevent accidents caused by slow opening or closing of the valve in special scenarios, and to quickly control the valve.

[0003] Because existing valves react slowly when in use, and current valve devices take a long time to open or close when in use, resulting in poor valve control effect, and greater friction between components during use, resulting in poor operation between components. Summary of the Invention

[0004] In order to overcome the above shortcomings, the utility model provides a quick-opening and quick-closing valve device, which can be opened or closed quickly to enhance the control effect of the valve device, and can drip lubricating oil to reduce friction between components so that the components run more smoothly.

[0005] The technical solution is as follows: A quick-opening and quick-closing valve device includes a valve body, a fixed shell fixedly connected to the valve body, a sealing ring fixedly connected to the valve body, a sliding rod slidably connected to the fixed shell, the sliding rod and the sealing ring are slidably connected, the bottom of the sliding rod is fixedly connected to the valve plug, a tension spring is connected between the sliding rod and the fixed shell, a quick-opening component is provided on the inner wall of the fixed shell, the quick-opening component is connected to the sliding rod, a quick-closing component is provided on the quick-opening component, and a lubrication component is also provided on the fixed shell, the quick-opening component is used to quickly open the valve, the quick-closing component is used to quickly close the valve, and the lubrication component is used to reduce friction.

[0006] Optionally, the valve plug is made of rubber.

[0007] Optionally, the quick-opening assembly includes a motor, the motor is fixedly connected to the fixed shell, the output shaft of the motor is fixedly connected to a rotating rod, the rotating rod is fixedly connected to a first gear, the fixed shell is covered with a second gear, the first gear is meshed with the second gear, two guide rails are fixedly connected to the inner wall of the fixed shell, the two guide rails are symmetrically arranged, and the two guide rails are slidingly connected with sleeves respectively, the two sleeves are respectively connected to the two guide rails with compression springs, a transmission rod is rotatably connected between the two sleeves, an overrunning clutch is fixedly connected to the rotating rod, the outer side of the overrunning clutch is fixedly connected to a gear ring, the second gear is meshed with the gear ring, the transmission rod is fixedly connected to a third gear, the sliding rod is fixedly connected to a rack, and the third gear is meshed with the rack.

[0008] Optionally, the quick-closing assembly includes a fixing ring, both of the fixing rings are fixedly connected to the rotating rod, both of the fixing rings are rotatably connected to a rotating plate, the two rotating plates are symmetrically located on both sides of the third gear, and a torsion spring is connected between the two rotating plates and the two fixing rings respectively.

[0009] Optionally, a protrusion is provided on the rotating plate.

[0010] Optionally, the lubrication assembly is further included, and the lubrication assembly includes an oil storage ring, the oil storage ring is fixedly connected to the inner wall of the fixed shell, a plurality of oil outlets are provided at the bottom of the oil storage ring, an oil pump is fixedly connected to the fixed inner wall, and an oil pipe is connected between the oil storage ring and the oil pump.

[0011] The beneficial effects of the utility model are: 1. The output shaft of the motor drives the first gear to rotate through the rotating rod, and the rotation of the first gear drives the gear ring to rotate idly under the action of the overrunning clutch through the second gear. The rotating rod rotates and drives the fixed ring to rotate. The rotating ring rotates and drives the rotating plate to rotate. The rotating plate rotates and squeezes the transmission rod. The transmission rod moves along the guide rail under the action of the sleeve, and the compression spring is compressed. The movement of the transmission rod drives the third gear to move. The movement of the third gear is no longer engaged with the rack. The tension spring resets and drives the valve plug to move downward quickly through the sliding rod to block the valve hole, thereby quickly closing the valve, thereby enhancing the valve control effect.

[0012] The output shaft of the motor reverses and drives the first gear to reverse through the rotating rod. The rotation of the first gear drives the ring gear to reverse through the second gear. The reverse ring gear drives the transmission rod to rotate under the action of the overrunning clutch. The transmission rod rotates the third gear. The rotation of the third gear drives the sliding rod to move upward under the action of the rack. The tension spring is stretched, and the sliding rod moves upward to drive the valve plug to move upward quickly and disengage from the valve hole, thereby quickly opening the valve, thereby further enhancing the valve control effect. The oil pump will transport lubricating oil into the oil storage ring through the oil pipe, and the lubricating oil will slowly drip out through the oil outlet at the bottom of the oil storage ring. The dripping lubricating oil will reduce the friction between the sealing ring and the sliding rod, thereby making the valve open and close faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the first partial three-dimensional structure of the utility model.

[0016] Figure 4 This is a schematic diagram of the second partial three-dimensional structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the third partial three-dimensional structure of the utility model.

[0018] Figure 6 It is a partially cutaway three-dimensional structural diagram of the utility model.

[0019] Explanation of the reference numerals: 1: valve body, 2: fixed shell, 3: sealing ring, 4: sliding rod, 5: valve plug, 6: tension spring, 7: motor, 8: rotating rod, 9: first gear, 10: second gear, 11: guide rail, 12: sleeve, 13: compression spring, 14: transmission rod, 141: overrunning clutch, 15: ring gear, 16: third gear, 17: rack, 18: fixed ring, 19: rotating plate, 20: torsion spring, 21: oil storage ring, 22: oil pipe, 23: oil pump. DETAILED DESCRIPTION

[0020] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional means such as bolts, rivets, welding, and bonding in the existing technology, which will not be described in detail here.

[0021] Example 1: A quick-opening and quick-closing valve device, such as Figures 1-6As shown, it includes a valve body 1, a fixed shell 2 is fixed to the valve body 1 by bolts, a sealing ring 3 is connected to the valve body 1 by a flat key, a sliding rod 4 is slidably connected to the fixed shell 2, the sliding rod 4 is slidably connected to the sealing ring 3, the bottom of the sliding rod 4 is connected to a valve plug 5 through a keyway, the valve plug 5 is used to control the opening or closing of the valve, a tension spring 6 is connected between the sliding rod 4 and the fixed shell 2, a quick-opening component is provided on the inner wall of the fixed shell 2, the quick-opening component is connected to the sliding rod 4, a quick-closing component is provided on the quick-opening component, and a lubrication component is also provided on the fixed shell 2, the quick-opening component is used to quickly open the valve, the quick-closing component is used to quickly close the valve, and the lubrication component is used to reduce friction.

[0022] The valve plug 5 is made of rubber material, and the valve plug 5 made of rubber material is used for better sealing.

[0023] The quick-opening assembly includes a motor 7, which is fixedly connected to the fixed housing 2. A rotating rod 8 is provided on the output shaft of the motor 7 through a flat key. A first gear 9 is fixedly connected to the rotating rod 8. A second gear 10 is sleeved on the fixed housing 2. The first gear 9 is engaged with the second gear 10. Two guide rails 11 are fixedly connected to the inner wall of the fixed housing 2. The two guide rails 11 are used for guiding. The two guide rails 11 are symmetrically arranged. A sleeve 12 is respectively slidably connected to the two guide rails 11. A compression spring 13 is connected between the two sleeves 12 and the two guide rails 11. A transmission rod 14 is rotatably connected between the two sleeves 12. An overrunning clutch 141 is fixedly connected to the rotating rod 8. A gear ring 15 is fixedly connected to the outer side of the overrunning clutch 141. The second gear 10 is engaged with the gear ring 15. A third gear 16 is fixedly connected to the transmission rod 14. A rack 17 is fixedly connected to the sliding rod 4, and the third gear 16 is engaged with the rack 17.

[0024] The quick-closing assembly includes a fixed ring 18, and the two fixed rings 18 are fixedly connected to the rotating rod 8. The two fixed rings 18 are rotatably connected to a rotating plate 19. The two rotating plates 19 are symmetrically located on both sides of the third gear 16. A torsion spring 20 is connected between the two rotating plates 19 and the two fixed rings 18 respectively.

[0025] The rotating plate 19 is provided with a protrusion, and the protrusion on the rotating plate 19 is used for limiting.

[0026] It also includes the lubrication assembly, which includes an oil storage ring 21. The oil storage ring 21 is fixedly connected to the inner wall of the fixed shell 2. A plurality of oil outlets are provided at the bottom of the oil storage ring 21. The plurality of oil outlets of the oil storage ring 21 are used to drip out the lubricating oil. An oil pump 23 is fixedly connected to the fixed inner wall, and an oil pipe 22 is connected between the oil storage ring 21 and the oil pump 23.

[0027] At first, the valve is in the open state and the tension spring 6 is stretched. When the valve needs to be closed quickly, the staff controls the output shaft of the motor 7 to rotate. The output shaft of the motor 7 drives the first gear 9 to rotate through the rotating rod 8. The first gear 9 rotates through the second gear 10 to drive the ring gear 15 to idling under the action of the overrunning clutch 141. The rotating rod 8 rotates while driving the fixed ring 18 to rotate. The rotating ring rotates and drives the rotating plate 19 to rotate. The rotating plate 19 rotates and squeezes the transmission rod 14. The transmission rod 14 moves along the guide rail 11 under the action of the sleeve 12. The compression spring 13 is compressed, and the transmission rod 14 moves to drive the third gear 16 to move. The third gear 16 moves and no longer engages with the rack 17. The tension spring 6 resets and drives the valve plug 5 to move downward quickly through the sliding rod 4 to block the valve hole, thereby quickly closing the valve, thereby enhancing the valve control effect. Subsequently, the output shaft of the motor 7 stops rotating, and the compression spring 13 resets and drives the transmission rod 14 to reset through the sleeve 12, and the third gear 16 engages with the rack 17 again.

[0028] When the valve is in the closed state, the staff controls the output shaft of the motor 7 to rotate in the opposite direction. The reverse rotation of the output shaft of the motor 7 drives the first gear 9 to reverse through the rotating rod 8. The first gear 9 rotates through the second gear 10 to drive the ring gear 15 to reverse. The reverse rotation of the ring gear 15 drives the transmission rod 14 to rotate under the action of the overrunning clutch 141. The transmission rod 14 rotates the third gear 16 to rotate. The rotation of the third gear 16 drives the sliding rod 4 to move upward under the action of the rack 17. The tension spring 6 is stretched, and the sliding rod 4 moves upward to drive the valve plug 5 to move upward quickly and disengage from the valve hole, thereby quickly opening the valve, thereby further enhancing the valve control effect. While the valve is closing and opening quickly, the oil pump 23 will transport lubricating oil to the oil storage ring 21 through the oil pipe 22, and the lubricating oil slowly drips out through the oil outlet at the bottom of the oil storage ring 21. The dripping lubricating oil will reduce the friction between the sealing ring 3 and the sliding rod 4, thereby making the valve open and close faster.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A quick-opening and quick-closing valve device, characterized by: The invention comprises a valve body (1), a fixed shell (2) fixedly connected to the valve body (1), a sealing ring (3) fixedly connected to the valve body (1), a sliding rod (4) slidably connected to the fixed shell (2), the sliding rod (4) and the sealing ring (3) being slidably connected, a valve plug (5) fixedly connected to the bottom of the sliding rod (4), a tension spring (6) connected between the sliding rod (4) and the fixed shell (2), a quick-opening component provided on the inner wall of the fixed shell (2), the quick-opening component connected to the sliding rod (4), a quick-closing component provided on the quick-opening component, and a lubricating component provided on the fixed shell (2), the quick-opening component being used for quickly opening the valve, the quick-closing component being used for quickly closing the valve, and the lubricating component being used for reducing friction.

2. A quick-opening and quick-closing valve device according to claim 1, characterized in that: The valve plug (5) is made of rubber.

3. A quick-opening and quick-closing valve device according to claim 2, characterized in that: The quick-opening assembly comprises a motor (7), the motor (7) is fixedly connected to the fixed housing (2), a rotating rod (8) is fixedly connected to the output shaft of the motor (7), a first gear (9) is fixedly connected to the rotating rod (8), a second gear (10) is rotatably connected to the fixed housing (2), the first gear (9) is meshed with the second gear (10), two guide rails (11) are fixedly connected to the inner wall of the fixed housing (2), the two guide rails (11) are symmetrically arranged, and sleeves (12) are respectively slidably connected to the two guide rails (11). A compression spring (13) is connected between the sleeve (12) and the two guide rails (11), and a transmission rod (14) is rotatably connected between the two sleeves (12). An overrunning clutch (141) is fixedly connected to the rotating rod (8), and a ring gear (15) is fixedly connected to the outer side of the overrunning clutch (141). The second gear (10) is meshed with the ring gear (15). A third gear (16) is fixedly connected to the transmission rod (14), and a rack (17) is fixedly connected to the sliding rod (4). The third gear (16) is meshed with the rack (17).

4. A quick-opening and quick-closing valve device according to claim 3, characterized in that: The quick-closing assembly includes a fixed ring (18), two fixed rings (18) are fixedly connected to the rotating rod (8), and the two fixed rings (18) are rotatably connected to a rotating plate (19), the two rotating plates (19) are symmetrically located on both sides of the third gear (16), and a torsion spring (20) is connected between the two rotating plates (19) and the two fixed rings (18).

5. A quick-opening and quick-closing valve device according to claim 4, characterized in that: The rotating plate (19) is provided with a protrusion.

6. A quick-opening and quick-closing valve device according to claim 5, characterized in that: The lubrication assembly further comprises an oil storage ring (21), the oil storage ring (21) being fixedly connected to the inner wall of the fixed shell (2), a plurality of oil outlets being provided at the bottom of the oil storage ring (21), an oil pump (23) being fixedly connected to the fixed inner wall, and an oil pipe (22) being connected between the oil storage ring (21) and the oil pump (23).

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