CN216242435U - Power-assisted pipeline valve - Google Patents

Abstract

The utility model relates to a power-assisted pipeline valve, which comprises a valve body and a pressure relief assembly, wherein a first chute is arranged on the top of the valve body, a sliding sleeve is arranged in the valve body, two sides of the sliding sleeve are connected with the inner wall of the valve body through first springs, a ball valve assembly is arranged in the sliding sleeve, a valve rod is connected on the ball valve assembly, the valve rod penetrates through the sliding sleeve and is sleeved with a sliding shell, the sliding shell is arranged in the first chute, an electric power-assisted mechanism and a rack are arranged on the sliding shell, the electric power-assisted mechanism is connected with the valve rod, a first rotating shaft penetrates through the valve body, a fifth gear, a rotary disc and a third spring are sequentially arranged on the first rotating shaft from top to bottom, the fifth gear is meshed with the rack, the rotary disc and the fifth gear are connected through a centrifugal locking mechanism, the third spring is respectively connected with the rotary disc, and the pressure relief assembly is arranged on the valve body and is connected with the rotary disc. The problem of manual valve among the prior art to the less person's of strength operation hard, and the water hammer prevention and cure effect is relatively poor, seriously influences its life has been effectively solved.

Description

Power-assisted pipeline valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a power-assisted pipeline valve.

Background

A large number of liquid conveying pipelines are required to be installed in a nuclear power plant for production operation, wherein the most representative liquid conveying pipelines are water conveying pipelines, and a plurality of valves are required to be installed on the pipelines to control the on-off of water flow transmission. However, most of the nuclear power plants adopt manual valves, which are controlled to be opened and closed mainly by manually operating the valves, however, the following problems exist in the current use process: 1. in order to ensure the sealing performance of the valve, related connecting parts of the valve are tightly matched, so that when the valve is opened and closed, if the strength is small, great force is often required, even an auxiliary tool or a helper is required to be found for matching to realize the opening and closing of the valve, and particularly, the relatively large valve is more obvious in performance; 2. when the valve is suddenly closed, the water hammer effect is easily caused, and the water hammer cannot be effectively relieved, so that the service life of the valve is seriously influenced, and even the damage to the valve and a pipeline can be directly caused.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a power-assisted pipeline valve, which effectively solves the above technical problems in the prior art.

The technical scheme adopted by the utility model is as follows:

a power-assisted pipeline valve comprises a valve body and a pressure relief assembly, wherein a water inlet and a water outlet are respectively arranged on two sides of the valve body, a first chute is arranged on the top of the valve body, a sliding sleeve is arranged in the valve body in a sliding manner, two sides of the sliding sleeve are connected with the inner wall of the valve body through first springs, a ball valve assembly is arranged in the sliding sleeve, a valve rod is connected onto the ball valve assembly, the valve rod penetrates out of the sliding sleeve and is rotatably sleeved with a sliding shell, a hand wheel is arranged on the top of the valve rod, the sliding shell is slidably arranged in the first chute, an electric power-assisted mechanism and a rack are arranged on the sliding shell, the electric power-assisted mechanism is connected with the valve rod, a first rotating shaft is rotatably penetrated on the top of the valve body, a fifth gear, a rotating disc and a third spring are sequentially sleeved on the first rotating shaft from top to bottom, the fifth gear is connected with the first rotating shaft through a one-way bearing, the fifth gear is meshed with the rack, the rotating disc is rotatably connected with the first rotating shaft through a centrifugal locking mechanism, the third spring is connected with the rotary table and the valve body respectively, and the pressure relief assembly is arranged on the valve body and connected with the rotary table.

Furthermore, the electric power-assisted mechanism comprises a torsion bar, a motor, a second gear, a controller and a storage battery, the torsion bar is connected between the valve rod and the hand wheel, a strain foil is arranged on the torsion bar, the motor is arranged on the side wall of the sliding shell, an output shaft of the motor penetrates into the sliding shell and is provided with a first gear, the second gear is arranged on the valve rod and is meshed with the first gear, and the controller is respectively connected with the motor, the storage battery and the strain foil.

Further, be equipped with the ring body on the carousel top, both sides in the ring body are equipped with the magnet piece relatively, the ring body passes through centrifugal locking mechanism and fifth gear connection, still include the support, fourth gear and armature winding, the support is located in the water inlet, rotate on the support and wear to be equipped with the second pivot, the both ends of second pivot are equipped with paddle and third gear respectively, the fourth gear locate in the first pivot and with third gear engagement, armature winding locates in the first pivot and lies in between two magnet pieces, armature winding is connected with the battery.

Further, centrifugal locking mechanism includes interior ratchet, centrifugal jack catch, dog and second spring, and interior ratchet is located on the top of ring body and is located the fifth gear periphery, and centrifugal jack catch and dog are all located on the bottom of fifth gear, and the lower surface of centrifugal jack catch and fifth gear is articulated, and the second spring both ends are supported in a holding room of dog and centrifugal jack catch.

Further, the pressure release subassembly is including locating flexible groove, discharge orifice and second spout, and the lower surface of carousel is located to flexible groove, and on discharge orifice and second spout all located the valve body, the second spout intersects with the discharge orifice, is equipped with on the second spout and dodges the groove, and it is equipped with the baffle to slide in the second spout, is equipped with round pin axle and intercommunicating pore on the baffle, and the round pin axle passes and dodges mouthful and the flexible inslot is located in the activity.

Furthermore, the telescopic groove comprises a concentric sliding groove and an eccentric sliding groove, and the end part of the eccentric sliding groove extends towards the direction far away from the first rotating shaft and is connected with the concentric sliding groove.

Further, the ball valve subassembly is connected with the valve rod including locating the valve ball in the sliding sleeve, and valve ball both sides are equipped with the disk seat relatively, and the disk seat is inlayed and is located in the sliding sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. by means of the matching design of the sliding shell and the first sliding groove, when the hand wheel is rotated, the valve rod is driven to rotate through the electric boosting mechanism, so that the valve is opened and closed in a labor-saving manner, and the operation labor is reduced.

2. When the water flow speed in the pipeline is low, the valve is closed, the water flow impacts the ball valve assembly, the ball valve assembly drives the sliding sleeve to slide in the valve body at a low speed, and the sliding sleeve acts on the first spring to deform the first spring for buffering, so that water hammer generated by the low-speed water flow can be effectively relieved; close the valve when the interior rivers speed of pipeline is higher, the sliding sleeve drives the slip shell and removes to the valve body right side fast, the slip shell passes through the rack and drives the quick rotation of fifth gear, make centrifugal locking subassembly with locking between fifth gear and carousel, make carousel drive pressure release subassembly carry out quick pressure release to the pipeline, and the interior water pressure of release pipe fast in time, effectively avoid leading to first spring can not in time eliminate the water hammer effect because the rivers speed is too fast, and then cause and strike too big problem to valve and pipeline, can strike great water hammer and carry out effectual alleviating, the water hammer prevention and cure is effectual.

3. Utilize rivers to drive the paddle and rotate, the paddle drives armature winding for the rotatory electricity generation of magnet piece and stores in the battery through first pivot, makes the valve not need external power supply, has avoided causing the circuit loss of power through external circuit, and can effectively utilize rivers electricity generation, plays the effect of festival source environmental protection.

4. Make the sliding sleeve slide to the valve body right side when the rivers at low speed act on the valve, the rack drives the rotation of fifth gear, and the fifth gear passes through one way bearing and drives first pivot rotation, and first pivot drives the relative electro-magnet rotation of armature winding, makes armature winding cutting magnetic induction line and produces induced electromotive force in order to charge to the battery, can be when alleviating the water hammer impact, effectively collects the water hammer energy and generates electricity, improvement energy utilization.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 3 at C;

FIG. 5 is a schematic view (bottom view) of the locking state of the centrifugal locking mechanism according to the present invention;

FIG. 6 is a schematic view (in a bottom view) of a fitting structure of the centrifugal locking mechanism in an unlocked state;

FIG. 7 is a schematic view (in a top view) of a fitting structure of the turntable and the pin shaft according to the present invention;

FIG. 8 is a schematic view (top view) of a fitting structure of the ring body and the first rotating shaft according to the present invention;

FIG. 9 is a control schematic of the present invention;

in the figure: 1. a storage battery; 2. a valve body; 3. a controller; 4. a first chute; 5. a rack; 6. a first spring; 7. a sliding sleeve; 8. a valve seat; 9. a valve ball; 10. a water outlet; 11. a slide case; 12. a motor; 13. a strain gauge; 14. a hand wheel; 15. a torsion bar; 16. a first gear; 17. a second gear; 18. a valve stem; 19. a one-way bearing; 20. a first rotating shaft; 21. a fourth gear; 22. a water inlet; 23. a second rotating shaft; 24. a paddle; 25. a support; 26. a third gear; 28. a vent hole; 29. a magnet block; 30. a coil; 31. a fifth gear; 32. a third spring; 33. a second chute; 34. a baffle plate; 35. a pin shaft; 36. avoiding the mouth; 37. A turntable; 38. an inner ratchet wheel; 39. a centrifugal jaw; 40. a ring body; 41. a stopper; 42. a second spring; 43. A telescopic groove; 44. and a communicating hole.

Detailed Description

In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 9, the utility model provides a power-assisted pipeline valve, which comprises a valve body 2 and a pressure relief assembly, wherein a water inlet 22 and a water outlet 10 are respectively arranged at the left side and the right side of the valve body 2, the valve is connected between pipelines through the water inlet 22 and the water outlet 10, a first chute 4 is arranged at the top of the valve body 2, a sliding sleeve 7 is arranged in the valve body 2 in a sliding manner, two sides of the sliding sleeve 7 are both connected with the inner wall of the valve body 2 through first springs 6, a ball valve assembly is arranged in the sliding sleeve 7 and used for conducting and blocking water flow, a valve rod 18 is connected to the ball valve assembly, the valve rod 18 penetrates through the sliding sleeve 7 and is rotatably sleeved with a sliding shell 11, a hand wheel 14 is arranged at the top of the valve rod 18, the sliding shell 11 is slidably arranged in the first chute 4, an electric power-assisted mechanism and a rack 5 are arranged on the sliding shell 11, the electric power-assisted mechanism is connected with the valve rod 18, a first rotating shaft 20 penetrates through the top of the valve body 2, a fifth gear 31 and a fifth gear 31 are sequentially sleeved on the first rotating shaft 20 from top to bottom, The fifth gear 31 is connected with the first rotating shaft 20 through the one-way bearing 19, the fifth gear 31 can only rotate anticlockwise (in the overlooking direction in fig. 1) on the first rotating shaft 20 by the one-way bearing 19, so that the fifth gear 31 can drive the first rotating shaft to rotate clockwise (in the overlooking direction in fig. 1) through the one-way bearing 19, the fifth gear 31 is meshed with the rack 5, the rotating disc 37 is rotatably connected with the first rotating shaft 20, the rotating disc 37 is connected with the fifth gear 31 through a centrifugal locking mechanism, two ends of the second spring 42 are respectively connected with the bottom of the rotating disc 37 and the top of the valve body 2, and the pressure relief assembly is arranged on the valve body 2 and connected with the rotating disc 37. The hand wheel 14 is rotated to drive the valve rod 18 to rotate, the valve rod 18 drives the ball valve assembly to open and close the valve, and in the process, when the electric power-assisted mechanism detects that the rotation torque is too large, the electric power-assisted mechanism drives the valve rod 18 to rotate to provide torsion power assistance, so that the effects of labor saving and convenience in operation are achieved; when the water flow speed in the pipeline is low, the valve is closed, and the water flow impacts on the valve, so that the ball valve assembly drives the sliding sleeve 7 to slide to the right side at a low speed in the valve body 2, the sliding sleeve 7 compresses the first spring 6 on the right side, and simultaneously stretches the first spring 6 on the left side, and the impact of the low-speed water flow can be effectively relieved; close the valve when the velocity of water flow is higher in the pipeline, the sliding sleeve 7 drives the sliding shell 11 fast and slides to the right side in the valve body 2, because the sliding shell 11 can only slide left and right in first spout 4, and can not rotate round valve rod 18 in first spout 4, make the sliding shell 11 drive fifth gear 31 fast revolution through rack 5, fifth gear 31 passes through centrifugal locking subassembly and carousel 37 fast locking, fifth gear 31 drives carousel 37 and rotates, carousel 37 drives the pressure release subassembly and carries out quick timely pressure release to the pipeline, avoid leading to first spring 6 can not in time alleviate the water hammer impact because the velocity of water flow is too fast, and then cause and strike too big problem to valve and pipeline, can carry out effectual the alleviating to great water hammer effect, water hammer prevention and cure is effectual.

Specifically, the electric power-assisted mechanism comprises a torsion bar 15, a motor 12, a second gear 17, a controller 3 and a storage battery 1, wherein the torsion bar 15 is connected between a valve rod 18 and a hand wheel 14, a strain foil 13 is arranged on the torsion bar 15, the motor 12 is arranged on the side wall of the sliding shell 11, an output shaft of the motor 12 penetrates into the sliding shell 11 and is provided with a first gear 16, the second gear 17 is arranged on the valve rod 18 and is meshed with the first gear 16, the controller 3 is respectively connected with the motor 12, the storage battery 1 and the strain foil 13, and the storage battery 1 is respectively connected with the controller 3 and the motor 12. When a hand wheel 14 is rotated to open and close the valve, the torsion bar 15 deforms to enable the strain gauge 13 to deform and output a voltage signal, so that the detection of the rotation torque is realized, the controller 3 receives the voltage signal and then compares the voltage signal with a preset threshold (20N.m), when the detected rotation torque is larger than the preset threshold, the switch valve is hard to work, the controller 3 controls the motor 12 to drive the first gear 16 to rotate forwards or backwards, the first gear 16 drives the valve rod 18 to rotate through the second gear 17 to provide assistance, and the operation labor force during the switch valve is effectively reduced; when the strain gauge 13 detects that the rotation torque is smaller than a set threshold value, it is indicated that the torque required for opening and closing the valve is small, and no power assistance is needed to be provided, the motor 12 does not work, at this time, an operator only needs to rotate the hand wheel 14, the hand wheel 14 drives the valve rod 18 to rotate through the torsion bar 15, so that the valve rod 18 drives the ball valve assembly to open and close the valve, output torque can be provided according to the hand force of different operators, the valve is suitable for opening and closing the valve by the operators with different hand forces, the applicability is high, and the valve is labor-saving and convenient to operate.

Specifically, be equipped with ring body 40 on the carousel 37 top, both sides in the ring body 40 are equipped with magnet piece 29 relatively, ring body 40 is connected with fifth gear 31 through centrifugal locking mechanism, still include the support 25, fourth gear 21 and armature winding, the support 25 is located in the water inlet 22, rotate on the support 25 and wear to be equipped with second pivot 23, the both ends of second pivot 23 are equipped with paddle 24 and third gear 26 respectively, fourth gear 21 locates on first pivot 20 and meshes with third gear 26, armature winding locates on first pivot 20 and lies in between two magnet pieces 29, the north and south poles of two magnet pieces 29 set up relatively, armature winding is connected with battery 1, armature winding includes that the interval locates a plurality of coils 30 of coiling on first pivot 20 and the coiling, coil 30 is connected with battery 1. When the valve is opened, the water flow is utilized to drive the paddle 24 to rotate clockwise (in the left view direction in fig. 1), the paddle 24 drives the second rotating shaft 23 to rotate clockwise (in the left view direction in fig. 1) on the bracket 25, the second rotating shaft 23 drives the first rotating shaft 20 to rotate anticlockwise (in the top view direction in fig. 1) on the top of the valve body 2 through the third gear 26 and the fourth gear 21, the first rotating shaft 20 drives the armature assembly to rotate between the two magnet blocks 29, so that the armature winding cuts the magnetic induction line to generate induced potential and charge the storage battery 1, the charging efficiency is high, sufficient electric quantity of the storage battery 1 is ensured, the valve does not need an external power supply, and the circuit loss of the electric energy caused by an external circuit is avoided; when the water flow speed is low and the valve is closed, the ball valve assembly drives the sliding shell 11 to slide to the right side in the first sliding chute 4 through the valve rod 18, the sliding shell 11 drives the fifth gear 31 to rotate clockwise (in the top view direction in fig. 1) through the rack 5, since the rotating speed of the fifth gear 31 cannot make the centrifugal locking mechanism lock the fifth gear 31 and the rotating disc 37, and under the action of the torsional elasticity of the third spring 32, the rotating disc 37 is kept at the position where the drain hole 28 is blocked, the fifth gear 31 drives the first rotating shaft 20 to rotate clockwise (in the overlooking direction in fig. 1) through the one-way bearing 19, the first rotating shaft 20 drives the armature winding to rotate relative to the magnet block 29, so that the armature winding cuts the magnetic induction line to generate induced potential and charges the storage battery 1, the water hammer energy can be effectively collected to generate electricity, the energy utilization rate is further improved, and the effects of energy conservation and environmental protection are achieved.

Specifically, centrifugal locking mechanism includes interior ratchet 38, centrifugal jack catch 39, dog 41 and second spring 42, and interior ratchet 38 is located on the top of ring body 40 and is located the fifth gear 31 periphery, and centrifugal jack catch 39 and dog 41 are all located on the bottom of fifth gear 31, and the one side that centrifugal jack catch 39 keeps away from the locking end is articulated with fifth gear 31 lower surface, and second spring 42 both ends are supported respectively in dog 41 and centrifugal jack catch 39 one end within a definite time. When the valve is closed at a high water flow speed, the fifth gear 31 drives the centrifugal clamping jaw 39 to rotate clockwise (in the overlooking direction in fig. 1), the centrifugal clamping jaw 39 overcomes the elastic force of the second spring 42 under the action of centrifugal force, so that the clamping end of the centrifugal clamping jaw 39 is outwards opened and clamped on the inner ratchet wheel 38, the fifth gear 31 drives the turntable 37 to rotate clockwise (in the overlooking direction in fig. 1), the reaction is quick, the problem that an electric device is adopted for control and is easy to damage in a humid environment is solved, the use reliability is high, and the service life is long; along with the pressure reduction in the pipeline caused by the pressure relief in the pipeline, the sliding sleeve 7 slides to the left side in the valve body 2 under the action of the first spring 6, the sliding sleeve 7 drives the centrifugal clamping jaw 39 to rotate anticlockwise at a slow speed through the sliding shell 11, the rack 5 and the fifth gear 31, at the moment, the centrifugal force acting on the centrifugal clamping jaw 39 disappears, the centrifugal clamping jaw 39 is separated from the inner ratchet wheel 38 and reset by utilizing the resilience force of the second spring 42, finally, the rotating disc 37 rotates clockwise (in the overlooking direction of the figure 1) and resets by the rotation torsion force of the third spring 32, and the rotating disc 37 rotates and drives the pressure relief assembly to stop the pressure relief on the pipeline.

Specifically, the pressure release subassembly is including locating flexible groove 43, discharge orifice 28 and second spout 33, and the lower surface of carousel 37 is located to flexible groove 43, and on valve body 2 was all located to discharge orifice 28 and second spout 33, second spout 33 intersected with discharge orifice 28, was equipped with on the second spout 33 and dodges the groove, and it is equipped with baffle 34 to slide in the second spout 33, is equipped with round pin axle 35 and intercommunicating pore 44 on the baffle 34, and round pin axle 35 passes and dodges mouthful 36 and the activity is located in flexible groove 43. The rotary table 37 rotates and drives the telescopic groove 43 to rotate, the pin shaft 35 slides in the telescopic groove 43, the pin shaft 35 slides towards the direction far away from the first rotating shaft 20, the pin shaft 35 pushes the baffle 34 to slide towards the right side in the second sliding groove 33, the communicating hole 44 is aligned with the discharge hole 28 to be discharged, after the pressure in the pipeline is reduced, the rotary table 37 is driven to rotate by the rotation torque force of the third spring 32, the rotary table 37 drives the baffle 34 to slide towards the left side through the matching effect of the telescopic groove 43 and the pin shaft 35, the communicating hole 44 is staggered with the discharge hole 28 to stop the pressure discharge, the structure is simple, the pressure discharge reaction is rapid, and the water hammer relieving effect is good.

Specifically, the telescopic slot 43 includes a concentric sliding slot and an eccentric sliding slot, and an end of the eccentric sliding slot extends in a direction away from the first rotating shaft 20 and is connected with the concentric sliding slot. When the valve is in the open state, the pin shaft 35 is located the eccentric chute and is close to one end of the first rotating shaft 20, the turntable 37 drives the telescopic groove 43 to rotate anticlockwise (the overlooking direction in fig. 1), the pin shaft 35 is enabled to rapidly slide along the eccentric chute in the direction away from the first rotating shaft 20 to release pressure, the sliding sleeve 7 continues to rapidly slide towards the right side of the valve body 2, the pin shaft 35 enters the concentric chute to slide, the drainage hole 28 is enabled to be kept in the open state, and under the matching buffer effect of the first spring 6, the impact of a large water hammer can be effectively relieved, and the water hammer prevention and control effect is good.

Specifically, the ball valve assembly comprises a valve ball 9 arranged in a sliding sleeve 7, the valve ball 9 is connected with a valve rod 18, valve seats 8 are oppositely arranged on two sides of the valve ball 9, the valve seats 8 are embedded in the sliding sleeve 7, through holes are formed in the valve seats 8 and the valve ball 9, when the valve ball 9 rotates to enable the through holes in the valve ball to be aligned with the through holes in the valve seats 8, the valve is opened, and the ball valve assembly is taken as the prior art and is not explained any more here.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A power-assisted pipeline valve is characterized in that: the pressure relief valve comprises a valve body and a pressure relief assembly, wherein a water inlet and a water outlet are respectively arranged on two sides of the valve body, a first chute is arranged on the top of the valve body, a sliding sleeve is arranged in the valve body in a sliding manner, two sides of the sliding sleeve are connected with the inner wall of the valve body through a first spring, a ball valve assembly is arranged in the sliding sleeve, a valve rod is connected on the ball valve assembly, the valve rod penetrates out of the sliding sleeve and is rotatably sleeved with a sliding shell, a hand wheel is arranged on the top of the valve rod, the sliding shell is slidably arranged in the first chute, an electric power-assisted mechanism and a rack are arranged on the sliding shell, the electric power-assisted mechanism is connected with the valve rod, a first rotating shaft is rotatably penetrated through the top of the valve body, a fifth gear, a rotating disc and a third spring are sequentially sleeved on the first rotating shaft from top to bottom, the fifth gear is connected with the first rotating shaft through a one-way bearing, the fifth gear is meshed with the rack, the rotating disc is rotatably connected with the fifth gear through a centrifugal locking mechanism, and the third spring is respectively connected with the valve body, the pressure relief assembly is arranged on the valve body and connected with the rotary disc.

2. A force-assisted plumbing valve according to claim 1, wherein: the electric power-assisted mechanism comprises a torsion bar, a motor, a second gear, a controller and a storage battery, wherein the torsion bar is connected between the valve rod and the hand wheel, a strain foil is arranged on the torsion bar, the motor is arranged on the side wall of the sliding shell, an output shaft of the motor penetrates into the sliding shell and is provided with a first gear, the second gear is arranged on the valve rod and is meshed with the first gear, and the controller is respectively connected with the motor, the storage battery and the strain foil.

3. A force-assisted plumbing valve according to claim 2, wherein: be equipped with the ring body on the carousel top, both sides in the ring body are equipped with the magnet piece relatively, the ring body passes through centrifugal locking mechanism and fifth gear connection, still include the support, fourth gear and armature winding, the support is located in the inlet, rotate on the support and wear to be equipped with the second pivot, the both ends of second pivot are equipped with paddle and third gear respectively, the fourth gear locate on the first pivot and with the third gear engagement, armature winding locates on the first pivot and lies in between two magnet pieces, armature winding is connected with the battery.

4. A force-assisted plumbing valve according to claim 3, wherein: centrifugal locking mechanism includes interior ratchet, centrifugal jack catch, dog and second spring, and interior ratchet is located on the top of ring body and is located the fifth gear periphery, and centrifugal jack catch and dog are all located on the bottom of fifth gear, and centrifugal jack catch is articulated with the fifth gear lower surface, and the second spring both ends support in between dog and one end of centrifugal jack catch.

5. A force-assisted plumbing valve according to claim 1, wherein: the pressure release subassembly is including locating flexible groove, discharge orifice and second spout, and the lower surface of carousel is located to flexible groove, and on discharge orifice and second spout all located the valve body, the second spout intersects with the discharge orifice, is equipped with on the second spout and dodges the groove, slides in the second spout and is equipped with the baffle, is equipped with round pin axle and intercommunicating pore on the baffle, and the round pin axle passes and dodges mouthful and the flexible inslot of locating of activity.

6. A force-assisted plumbing valve according to claim 5, wherein: the telescopic groove comprises a concentric sliding groove and an eccentric sliding groove, and the end part of the eccentric sliding groove extends towards the direction far away from the first rotating shaft and is connected with the concentric sliding groove.

7. A force-assisted plumbing valve according to claim 1, wherein: the ball valve assembly comprises a valve ball arranged in the sliding sleeve, the valve ball is connected with the valve rod, valve seats are oppositely arranged on two sides of the valve ball, and the valve seats are embedded in the sliding sleeve.

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