CN208951399U - A kind of force booster type executing agency - Google Patents

Abstract

The utility model relates to a kind of force booster type executing agencies, including handwheel, screw rod, guide sleeve, upper cylinder cover, coupling sleeve, cylinder barrel, lower cylinder cap, bracket, threaded block, the first connector and the second connector；Reinforcement component includes cylinder, piston, partition, reinforcement piston, feedback rod and telescopic rod；The gas source that the utility model will be provided with same pressure is divided into two tunnels, reinforcement piston is pushed all the way, another way is logical to push piston, it allows for forced area increasing in this way to be twice, power output, which also increases, to be twice, thus in the case where increased costs are seldom, greatly improve thrust, and solving the problems, such as that the generally existing valve of such operating condition is difficult to open, step is simple, and operating efficiency is high.

Description

A kind of force booster type executing agency

Technical field

The utility model relates to a kind of force booster type executing agencies.

Background technique

The Pneumatic gate valve used in chemical plant installations, common issue is that after occurring to executing agency's gas signal, gate valve It does not act, can not open, reason is exactly that gate valve has the characteristics that the more to close the more tight, when the valve plate and valve seat wedge being connected with feedback rod It is next and when opening moment, need an instantaneous pulling force, this instantaneous pulling force much larger than the lasting lifting force needed for after opening, Because instantaneous pulling force includes the frictional force and pressing force that valve plate needs to overcome when being detached from valve seat；Existing executing agency only exists Gas source is passed through below piston, thrust is limited, when encountering the above problem, can only by multi-person synergy firmly with rotate handwheel come Increase the pulling force promoted, step is extremely onerous, and operating efficiency is lower, needs further improvement.

Utility model content

In view of the above-mentioned state of the art, the technical problem to be solved by the utility model is to provide one kind substantially to mention Thrust has been risen, and has solved the problems, such as that the generally existing valve of such operating condition is difficult to open, and step is simple, the high increasing of operating efficiency Li Xing executing agency.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of force booster type executing agency, including Handwheel, screw rod, guide sleeve, upper cylinder cover, coupling sleeve, cylinder barrel, lower cylinder cap, bracket, threaded block, the first connector and the second connector, It is characterized in that, lower cylinder cap is provided with above the bracket, cylinder barrel, the top of the cylinder barrel are provided with above the lower cylinder cap It is provided with upper cylinder cover, threaded block is provided with above the upper cylinder cover, interts in the threaded block and is bolted with the silk being distributed vertically Bar, the upper end of the screw rod, which is arranged, is fixed with handwheel, and the lower end of the screw rod, which passes through upper cylinder cover and is inserted into, is fixed on coupling sleeve Inside upper end, the lower end of the coupling sleeve is connected with reinforcement component, and the inside of cylinder barrel is arranged in the reinforcement component；Described first Connector insertion is arranged in lower cylinder cap, and the side of cylinder barrel is arranged in the second connector insertion.

Preferably, the reinforcement component includes cylinder, piston, partition, reinforcement piston, feedback rod and telescopic rod, the gas The inside of cylinder barrel is arranged in cylinder, and the inner lower of the cylinder is fixed with the partition of cross direction profiles, and the inside of the cylinder is also set Be equipped with can Vertical slippage piston and reinforcement piston；The piston and reinforcement piston are located at the two sides up and down of partition, described The lower end of coupling sleeve is fixed on the upper center of piston；The downside center of the piston is fixed with the telescopic rod being distributed vertically, institute The lower end side insertion for stating telescopic rod is fixed with the feedback rod of cross direction profiles.

Preferably, it is outwardly formed the top cover being distributed vertically on the upside of the reinforcement piston, the upper end of the top cover passes through Partition and the downside center for being fitted in piston.

Preferably, the lower end of the telescopic rod passes through top cover and lower cylinder cap and the inside for extending into bracket.

Preferably, the upper end side of the bracket offers sliding slot, and the other end of the feedback rod passes outwards through sliding slot simultaneously It extend into the outside of bracket.

Preferably, the side of the partition opens up jagged.

Preferably, the inner end of second connector passes through cylinder and is inserted into notch.

Compared with the prior art, the advantages of the utility model are: the utility model will be provided with the gas source point of same pressure For two tunnels, reinforcement piston is pushed all the way, another way is logical to push piston, and forced area increasing is allowed in this way to be twice, power output Increasing is twice, to greatly improve thrust in the case where increased costs are seldom, and solves the generally existing valve of such operating condition Door is difficult to the problem of opening, and step is simple, and operating efficiency is high.

Detailed description of the invention

Fig. 1 is the sectional structure chart of the utility model.

Specific embodiment

As shown in Figure 1, a kind of force booster type executing agency, including handwheel 1, screw rod 2, guide sleeve 3, upper cylinder cover 4, coupling sleeve 6, Cylinder barrel 10, lower cylinder cap 11, bracket 15, threaded block 16, the first connector 13 and the second connector 14；The top of bracket 15 is provided with lower cylinder Lid 11, the top of lower cylinder cap 11 are provided with cylinder barrel 10, and the top of cylinder barrel 10 is provided with upper cylinder cover 4, and the top of upper cylinder cover 4 is provided with Threaded block 16 interts in threaded block 16 and is bolted with the screw rod 2 being distributed vertically, and the upper end of screw rod 2, which is arranged, is fixed with handwheel 1, handwheel 1 Positioned at the top of threaded block 16；The lower end of screw rod 2 passes through upper cylinder cover 4 and is inserted into and is fixed on inside the upper end of coupling sleeve 6, coupling sleeve 6 lower end is connected with reinforcement component, and the inside of cylinder barrel 10 is arranged in reinforcement component, and reinforcement component includes cylinder 5, piston 7, partition 8, the inside of cylinder barrel 10 is arranged in reinforcement piston 9, feedback rod 12 and telescopic rod 17, cylinder 5, and the inner lower of cylinder 5 is fixed with The partition 8 of cross direction profiles, the inside of cylinder 5 be additionally provided with can Vertical slippage piston 7 and reinforcement piston 9；Piston 7 and reinforcement are living Plug 9 is located at the two sides up and down of partition 8, and the upside of reinforcement piston 9 is outwardly formed the top cover 91 being distributed vertically, top cover 91 Upper end passes through partition 8 and is fitted in the downside center of piston 7；The lower end of coupling sleeve 6 is fixed on the upper center of piston 7；Piston 7 Downside center be fixed with the telescopic rod 17 being distributed vertically, the lower end of telescopic rod 17 passes through top cover 91 and lower cylinder cap 11 and extend into The inside of bracket 15；The upper end side of bracket 15 offers sliding slot 151, and the lower end side insertion of telescopic rod 17, which is fixed with, laterally to divide The feedback rod 12 of cloth, the other end of feedback rod 12 pass outwards through sliding slot 151 and extend into the outside of bracket 15；First connector 13 is embedding Entering to be arranged in lower cylinder cap 11, the second connector 14 is embedded in the side that cylinder barrel 10 is arranged in, and the side of partition 8 opens up jagged 81, The inner end of second connector 14 passes through cylinder 5 and is inserted into notch 81.

In use, external air source is divided into two strands by three-way connection, one gas source is connected with the first connector 13, another strand of gas Source is connected with the second connector 14；The gas source being linked into the first connector 13, which is upwardly into inside 5 lower end of cylinder and jacks up upwards, to be increased Power piston 9, and then top cover 91 is pushed to move up, so that piston 7 is jacked up upwards, meanwhile, the gas being linked into the second connector 14 Source enters via notch 81 inside the upper end of cylinder 5, also and then upwards jacks up piston 7, then rotates handwheel 1, and then drive silk Bar 2 is rotated in threaded block 16 and is slowly moved up, to move up with piston 7, drives feedback rod 12 eventually by telescopic rod 17 It 151 moves up along the chute, because the outer end of feedback rod 12 is provided with valve plate, to drive valve plate to be detached from valve seat, to realize opening Effect；Piston 7 and reinforcement piston 9 move up simultaneously, after lifting force, which is opened into gate valve plate, is detached from valve seat, frictional force It disappears with power is adjacent to, reinforcement piston 9 at this time moves up and withstands partition 8, to stopped movement, only piston 7 continues in gas source It is continued to move up under pressure effect.

The Pneumatic gate valve used in chemical plant installations, common issue is that after occurring to executing agency's gas signal, gate valve It does not act, can not open, reason is exactly that gate valve has the characteristics that the more to close the more tight, when the valve plate and valve seat being connected with feedback rod 12 After wedging and when opening moment, an instantaneous pulling force is needed, this instantaneous pulling force is much larger than lasting promotion required after opening Power, because instantaneous pulling force includes the frictional force and pressing force that valve plate needs to overcome when being detached from valve seat；Existing executing agency It only is passed through gas source in the lower section of piston 7, thrust is limited, can only be by multi-person synergy firmly to rotate when encountering the above problem Handwheel increases the pulling force of promotion, and step is extremely onerous, and operating efficiency is lower；The utility model will be provided with the gas source of same pressure It is divided into two tunnels, pushes reinforcement piston all the way, another way is logical to push piston, and forced area increasing is allowed in this way to be twice, power output Also increase and be twice, to greatly improve thrust in the case where increased costs are seldom, and it is generally existing to solve such operating condition Valve is difficult to the problem of opening, and step is simple, and operating efficiency is high.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is replaced on an equal basis It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims (7)

1. a kind of force booster type executing agency, including handwheel, screw rod, guide sleeve, upper cylinder cover, coupling sleeve, cylinder barrel, lower cylinder cap, bracket, Threaded block, the first connector and the second connector, which is characterized in that lower cylinder cap is provided with above the bracket, the lower cylinder cap Top is provided with cylinder barrel, and upper cylinder cover is provided with above the cylinder barrel, and threaded block, the spiral shell are provided with above the upper cylinder cover Intert in line seat and be bolted with the screw rod being distributed vertically, the upper end of the screw rod, which is arranged, is fixed with handwheel, and the lower end of the screw rod is worn It crosses upper cylinder cover and is inserted into and be fixed on inside the upper end of coupling sleeve, the lower end of the coupling sleeve is connected with reinforcement component, the reinforcement The inside of cylinder barrel is arranged in component；The first connector insertion is arranged in lower cylinder cap, and the second connector insertion is arranged in cylinder The side of cylinder.

2. a kind of force booster type executing agency according to claim 1, which is characterized in that the reinforcement component include cylinder, The inside of cylinder barrel, the inner lower of the cylinder is arranged in piston, partition, reinforcement piston, feedback rod and telescopic rod, the cylinder Be fixed with the partition of cross direction profiles, the inside of the cylinder be additionally provided with can Vertical slippage piston and reinforcement piston；The work Plug and reinforcement piston are located at the two sides up and down of partition, and the lower end of the coupling sleeve is fixed on the upper center of piston；It is described The downside center of piston is fixed with the telescopic rod being distributed vertically, and the lower end side insertion of the telescopic rod is fixed with cross direction profiles Feedback rod.

3. a kind of force booster type executing agency according to claim 2, which is characterized in that the upside of the reinforcement piston is outside It is formed with the top cover being distributed vertically, the upper end of the top cover passes through partition and is fitted in the downside center of piston.

4. a kind of force booster type executing agency according to claim 2, which is characterized in that the lower end of the telescopic rod passes through top Set and lower cylinder cap and the inside for extending into bracket.

5. a kind of force booster type executing agency according to claim 2, which is characterized in that the upper end side of the bracket opens up There is sliding slot, the other end of the feedback rod passes outwards through sliding slot and extend into the outside of bracket.

6. a kind of force booster type executing agency according to claim 2, which is characterized in that the side of the partition offers scarce Mouthful.

7. a kind of force booster type executing agency according to claim 1, which is characterized in that the inner end of second connector passes through Cylinder is simultaneously inserted into notch.