CN211820774U

CN211820774U - Butt clamp butterfly valve

Info

Publication number: CN211820774U
Application number: CN202020073182.6U
Authority: CN
Inventors: 贾景州; 秦景春; 贾钰浦
Original assignee: Henan Yuzhou Fluid Technology Co ltd
Current assignee: Henan Yuzhou Fluid Technology Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-30
Anticipated expiration: 2030-01-14

Abstract

The utility model provides a butt clamp butterfly valve, which comprises a valve body, butterfly plate and valve rod, the valve body top is equipped with valve gap and valve gap top and is equipped with quick-witted case, valve rod upwards passes valve body and valve gap in proper order, be fixed with driven bevel gear on the valve rod, quick-witted incasement portion rotates and installs first pivot, one of first pivot near the valve rod is served and is fixed with drive bevel gear, rotate installation second pivot on the quick-witted case, the one end that the valve gap was kept away from in the second pivot stretches out quick-witted case and second pivot and stretches out the serving and be fixed with the rotation handle, the one of serving of rotation handle is kept away from in the second pivot is fixed with the worm, one of. The total volume of the valve can be reduced under the purpose of saving the acting force of the switch valve, so that the transportation and the installation are more convenient, and meanwhile, particles adhered to the sealing surface of the butterfly plate can be reduced, thereby reducing the abrasion generated by the sealing surface and prolonging the service life of the valve.

Description

Butt clamp butterfly valve

Technical Field

The utility model relates to a valve equipment technical field especially relates to a butt clamp butterfly valve.

Background

The butterfly plate of the wafer butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is 0-90 degrees, the flow adjusting effect can be achieved, and when the butterfly plate rotates to 90 degrees, the valve reaches the maximum opening degree. The opposite clamping butterfly valve has simple structure, small volume and light weight and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics. The valve need make the butterfly plate rotate through the handle when opening or closing, the butterfly plate need bear the resistance that comes from the fluid this moment, simultaneously because the rigid seal between butterfly plate and the valve body, so the butterfly plate still will overcome the frictional force that comes from between butterfly plate and the valve body, this power that just leads to needing to operate when opening or closing of valve is great, small butterfly plate relies on manual can carry out quick rotation, but great butterfly valve is comparatively hard when relying on manual rotation, influence the speed of switching valve, current butterfly valve has improves the drive ratio through adopting worm gear, thereby improve pivoted power, but current adoption worm gear driven butterfly valve is with worm and valve rod perpendicular installation, the holistic volume of valve body has been increased, lead to the inconvenience in transportation and installation. Meanwhile, the butterfly valve is sealed through the rigid seal between the butterfly plate and the valve body, but particles may exist due to different media circulating in the pipeline, and the particles may be adhered to the sealing surface of the butterfly valve, so that the abrasion of the sealing surface is increased after long-term use, the service life of the sealing surface is shortened, the maintenance frequency is increased, and meanwhile, the production efficiency is influenced by the leakage of fluid.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a to pressing from both sides butterfly valve, can improve the drive ratio to reach the purpose at ooff valve laborsaving, and the holistic small of valve body, convenient transportation and installation, and can clear up the granule of adhesion on the sealed face on the butterfly plate, improve the life and the sealed effect of sealed face.

The solution is that the butt-clamping butterfly valve comprises a valve body, a butterfly plate and a valve rod, a valve cover is arranged above the valve body, a case is arranged above the valve cover, the butterfly plate is positioned in the valve body and fixedly connected between the valve rod and the butterfly plate, the valve rod sequentially penetrates through the valve body and the valve cover upwards and extends into the case, a driven bevel gear is fixed on the valve rod and is positioned in the case, a first rotating shaft is rotatably arranged in the case and vertically arranged between the first rotating shaft and the valve rod, a driving bevel gear is fixed on one end of the first rotating shaft close to the valve rod and is mutually engaged with the driving bevel gear and the driven bevel gear, a second rotating shaft is rotatably arranged on the case and is arranged in parallel with the valve rod, one end of the second rotating shaft far away from the valve cover extends out of the case and is fixed with a rotating handle on the end of the second rotating shaft, a worm is fixed on one end of the second rotating shaft far away from the rotating handle, and a worm wheel is fixed on one end of the first rotating shaft, which is far away from the driving bevel gear, and the worm wheel and the worm are meshed with each other.

Preferably, a thorn wheel is fixed on the valve rod, a stop rod and a first rotating shaft are arranged on the case in a sliding mode, the stop rod and the first rotating shaft are arranged in parallel, one end of the stop rod is located inside the case, the other end of the stop rod is located outside the case, and a baffle is arranged at one end, located outside the case, of the stop rod, a first handle is fixed at one end of the stop rod, and a portion, away from the first handle, of the stop rod is provided with a baffle.

Preferably, the stop lever is sleeved with a first spring, and the first spring is positioned between the baffle and the case.

The first handle is rotatably provided with a support rod, and one end of the support rod, far away from the first handle, is provided with an anti-slip pad.

Preferably, the butterfly plate is arc-shaped, and a cavity is arranged inside the butterfly plate.

Preferably, the valve rod adopts hollow rod, be equipped with connecting rod and connecting rod in the valve rod and upwards stretch out quick-witted case towards the one end of quick-witted case, the one end that the valve rod is close to the butterfly plate is stretched into the cavity and the valve rod is located one of cavity and is served and be equipped with the multiunit and hit the subassembly, hits the subassembly and includes that the other end is located the cavity in slide bar and slide bar one end that sets up perpendicularly with the valve rod, and the slide bar is located one of cavity and serves and be fixed with trapezoidal first guide block that hits ball and slide bar are located the valve rod, the connecting rod is kept away from one of quick-witted case and is served and be fixed with the second guide block and the second guide block that is located the below of first guide block, and the less one side of second guide block round platform is towards first guide block, the cover has second spring and second spring to be located between.

Preferably, the multiple groups of striking assemblies are two groups and are respectively positioned on the side wall of the valve rod close to the butterfly plate.

Preferably, a second handle is fixed at one end of the connecting rod extending out of the case, a groove is formed in the case, and the second handle is located inside the groove.

Preferably, a top plate is fixed on the connecting rod and located between the second guide block and the upper wall of the case, and a third spring is sleeved on the connecting rod and located between the top plate and the upper wall of the case.

Preferably, the stop block is fixed inside the valve rod and is positioned above the second guide block, and the stop block is slidably mounted with the connecting rod and is in sliding contact with the second guide block.

The utility model discloses beneficial effect: the worm and gear technology is adopted to increase the transmission ratio, so that the valve is more labor-saving when being opened and closed, meanwhile, the whole valve is small, and the valve is more convenient to install and transport. And has the structure of preventing maloperation, it is simple effective to use. Can make the butterfly plate produce vibrations through hitting the subassembly to make the granular medium of adhesion clear up on the sealed face of butterfly plate, reduce the condition that increases sealed face wearing and tearing from this, thereby increased the life of valve, reduce the condition of medium leakage simultaneously and appear, reduce the time of maintenance, increased production efficiency.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural diagram of the worm gear of the present invention.

Fig. 4 is a schematic structural view of the striking assembly of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the opposite clamping butterfly valve comprises a valve body 1, a butterfly plate 2 and a valve rod 3, and is characterized in that a valve cover 4 is arranged above the valve body 1, a case 5 is arranged above the valve cover 4, the butterfly plate 2 is positioned in the valve body 1, the valve rod 3 is fixedly connected with the butterfly plate 2, the valve rod 3 sequentially penetrates through the valve body 1 and the valve cover 4 upwards, the valve rod 3 extends into the case 5, a driven bevel gear 6 is fixed on the valve rod 3, the driven bevel gear is positioned in the case 5, a first rotating shaft 8 is rotatably arranged in the case 5, the first rotating shaft 8 and the valve rod 3 are vertically arranged, a driving bevel gear 7 is fixed at one end of the first rotating shaft 8, which is close to the valve rod 3, the driving bevel gear 7 and the driven bevel gear 6 are mutually engaged, a second rotating shaft 9 is rotatably arranged in the case 5, and the second rotating shaft 9 and the valve rod 3 are arranged in, one end of the second rotating shaft 9, far away from the valve cover 4, extends out of the case 5, the extending end of the second rotating shaft 9 is fixedly provided with a rotating handle 10, one end of the second rotating shaft 9, far away from the rotating handle 10, is fixedly provided with a worm 11 and a worm wheel 12 and is positioned inside the case 5, one end of the first rotating shaft 8, far away from the driving bevel gear 7, is fixedly provided with the worm wheel 12, and the worm wheel 12 and the worm 11 are meshed with each other.

When the device is used, the device is firstly connected to a pipeline, when the pipeline needs to close a valve, a rotating handle 10 is rotated, the rotating handle 10 rotates to drive a second rotating shaft 9 fixed on the rotating handle 10 to rotate, the second rotating shaft 9 rotates to drive a worm 11 fixed on the second rotating shaft 9 to rotate, through the meshing between the worm 11 and a worm wheel 12, the worm 11 can drive the worm wheel 12 to rotate when rotating, the worm wheel 12 can drive a first rotating shaft 8 fixedly connected with the worm wheel 12 to rotate when rotating, the first rotating shaft 8 rotates to drive a driving bevel wheel fixed on the first rotating shaft 8 to rotate, the rotation of a driven bevel gear 6 is realized through the meshing between the driving bevel gear 7 and the driven bevel gear 6, and the driven bevel gear 6 is fixed on a valve rod 3, so that the valve rod 3 can be driven to rotate when the driven bevel gear 6 rotates, the rotation of valve rod 3 drives and rotates with fixed connection's between the valve rod 3 butterfly plate 2, realizes opening of valve. This device passes through bevel gear's structure and realizes parallel arrangement between valve rod 3 and the first pivot 8 to reduce quick-witted case 5's volume, make the valve can be more convenient in installation and transportation, adopt worm wheel 12 worm 11's structure to improve the drive ratio simultaneously, reduced the effort that switch valve is, thereby can be applicable to large-scale valve structure. When the pipeline needs to be closed, the rotary handle 10 is rotated reversely, so that the butterfly plate 2 can rotate reversely, and the valve can be closed.

Be fixed with thorn wheel 13 on the valve rod 3, slidable mounting has parallel arrangement between pin 15 and the first pivot 8 on the quick-witted case 5, and the one end of pin 15 is located quick-witted case 5 inside and the other end of pin 15 is located quick-witted case 5's outside, and the one end that is located quick-witted case 5 outside on the pin 15 is fixed with first handle 16 and is served and be equipped with baffle 14 on the pin 15 one of keeping away from first handle 16.

After the valve is installed and used, in order to avoid misoperation of the valve due to work and abnormal operation of the valve, the thorn wheel 13 is fixed on the valve rod 3, the stop lever 15 is slidably installed on the case 5, the baffle plate 14 is fixed on the stop lever 15, when the valve needs to be fixed, the stop lever 15 can be pushed towards the thorn wheel 13, the stop lever 15 drives the baffle plate 14 to move towards the thorn wheel 13, and the baffle plate 14 extends into the tooth spaces of the thorn wheel 13, so that the fixation of the gear is realized, and the gear is fixed on the valve rod 3, so that the fixation of the butterfly plate 2 is realized, the misoperation of the valve is avoided, and the loss is reduced. When the valve needs to be operated properly, the stop lever 15 can be pulled out of the case 5, so that the baffle 14 is separated from the thorn wheel 13, and the thorn wheel 13 can move for use.

The stop lever 15 is sleeved with a first spring 19, and the first spring 19 is positioned between the baffle 14 and the case 5.

Since the valve is fixed for a long time, in order to avoid that the stop lever 15 is operated by mistake during the period, the stop lever 14 is separated from the thorn wheel 13, and normal production is influenced, the stop lever 15 is provided with the first spring 19, and the first spring 19 can enable the stop lever 15 to always have acting force moving towards the thorn wheel 13, so that the stop lever 14 is positioned between the teeth of the thorn wheel 13, and the influence of misoperation on the production is further reduced.

A support rod 17 is rotatably mounted on the first handle 16, and an anti-skid pad 18 is arranged on one end of the support rod 17 far away from the first handle 16.

Need outwards pull out pin 15 when needing to carry out normal operating to the valve, because pin 15 has the effort that removes to thorn wheel 13 direction all the time under first spring 19's effect, so in order to improve the convenience when operating the valve, rotate on first handle 16 and install branch 17, can open branch 17 after pulling out pin 15, branch 17 can support pin 15 and remove to thorn wheel 13's direction, convenience when having increased the valve operation. After the valve is operated, the supporting rod 17 is put down, and the stop lever 15 automatically locks the ratchet wheel 13 under the action of the first spring 19, so that the convenience of the valve in use is improved. While the non-slip mat 18 increases the stability of the strut 17 when supported.

The butterfly plate 2 is arc-shaped, and a cavity 20 is arranged inside the butterfly plate 2.

Set butterfly plate 2 to the arc, can improve its intensity, can disperse the pressure of medium in the pipeline, improved the bearing capacity of valve.

The valve rod 3 is a hollow rod, a connecting rod 21 is arranged in the valve rod 3, one end of the connecting rod 21 facing the case 5 extends out of the case 5 upwards, one end of the valve rod 3 close to the butterfly plate 2 extends into the cavity 20, one end of the valve rod 3 positioned in the cavity 20 is provided with a plurality of groups of striking components, each striking component comprises a sliding rod 22 which is perpendicular to the valve rod 3, one end of the sliding rod 22 is positioned in the valve rod 3, the other end of the sliding rod 22 is positioned in the cavity 20, one end of the sliding rod 22 positioned in the cavity 20 is fixedly provided with a striking ball 23, one end of the sliding rod 22 positioned in the valve rod 3 is fixedly provided with a trapezoidal first guide block 25, a second guide block 26 in a circular truncated cone shape is fixed on one end of the connecting rod 21 far away from the chassis 5, the second guide block 26 is positioned below the first guide block 25, the smaller circular truncated cone surface of the second guide block 26 faces the first guide block 25, the slide rod 22 is sleeved with a second spring 24, and the second spring 24 is positioned between the side wall of the valve rod 3 and a second guide block 26.

After the valve is used for a long time, particles can be attached to the sealing surface of the butterfly plate 2, abrasion of the sealing surface is increased, the sealing surface needs to be cleaned, and the disassembly of the valve not only affects working efficiency, but also increases workload of workers. At this time, the connecting rod 21 can be lifted upwards, the connecting rod 21 moves upwards to drive the first guide block 25 fixed on the connecting rod 21 to move upwards, so that the first guide block 25 is in contact with the second guide block 26, because the first guide block 25 is in a circular truncated cone shape and the second guide block 26 is in a trapezoid shape, after the first guide block 25 is in contact with the second guide block 26, the first guide block 25 presses the second guide block 26 in a direction away from the first guide block 25 due to the effect of the inclined surface, so that the second guide block 26 moves, the sliding rod 22 fixed on the second guide block 26 is driven to move, so that the hitting ball 23 fixed on the sliding rod 22 moves in a direction towards the butterfly plate 2, so that the hitting ball 23 is in contact with the butterfly plate 2, the quick lifting of the connecting rod 21 can make the hitting ball 23 hit the butterfly plate 2 quickly, so that the vibration of the butterfly plate 2 can achieve the purpose of separating particles on the adhered sealing surface, thereby the effect of clearance to 2 sealed faces of butterfly plate has been reached. The sliding rod 22 is sleeved with a second spring 24, after the second guide block 26 and the first guide block 25 are separated, the sliding rod 22 moves towards the direction away from the butterfly plate 2 under the action of the second spring 24, so that the second guide block 26 is reset, the connecting rod 21 is pulled for many times quickly, the butterfly plate 2 can be continuously vibrated, a better cleaning effect is achieved, the service life of a sealing surface is prolonged, and the leakage condition is reduced.

The subassembly is hit to the multiunit and is two sets of and is located the valve rod 3 respectively and is close to on the lateral wall of butterfly plate 2.

Will hit the subassembly and establish to two sets ofly, not only can increase the effect of vibration, reach the purpose of better clearance, can also make two second guide blocks 26 better make first guide block 25 stability to keep simultaneously, prevent that skew from appearing in first guide block 25, cause the condition of unable vibration.

A second handle 27 is fixed on one end of the connecting rod 21 extending out of the case 5, a groove 28 is arranged on the case 5, and the second handle 27 is positioned inside the groove 28.

The case 5 is provided with the groove 28, and the second handle 27 is arranged in the groove 28, so that the problem that the normal use of the valve is influenced due to the fact that the second handle 27 is exposed to cause misoperation or damage of bending or breaking is caused to the connecting rod 21 can be avoided, and the service life of the valve is further prolonged.

A top plate 29 is fixed on the connecting rod 21, the top plate 29 is positioned between the second guide block 26 and the upper wall of the case 5, a third spring 30 is sleeved on the connecting rod 21, and the third spring 30 is positioned between the top plate 29 and the upper wall of the case 5.

In order to make the link 21 automatically return to the position close to the cabinet 5 after being lifted, the third spring 30 is sleeved on the link 21, so that the link 21 can be reset after being used.

The valve rod 3 is internally fixed with a stop 31, the stop 31 is positioned above the second guide block 26, and the stop 31 and the connecting rod 21 are slidably mounted and the stop 31 and the second guide block 26 are in sliding contact.

In order to prevent the first guide block 25 from exceeding the second guide block 26 in the process of moving upwards and being incapable of resetting, the stop block 31 is fixed above the second guide block 26 and can stop the first guide block 25, so that the problem that the second guide block 26 is incapable of resetting and the normal use of the valve is influenced is avoided.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. A butt-clamping butterfly valve comprises a valve body (1), a butterfly plate (2) and a valve rod (3), and is characterized in that a valve cover (4) is arranged above the valve body (1), a case (5) is arranged above the valve cover (4), the butterfly plate (2) is positioned in the valve body (1), the valve rod (3) is fixedly connected with the butterfly plate (2), the valve rod (3) upwards sequentially penetrates through the valve body (1) and the valve cover (4), the valve rod (3) extends into the case (5), a driven bevel gear (6) is fixed on the valve rod (3), the driven bevel gear is positioned in the case (5), a first rotating shaft (8) is rotatably arranged in the case (5), the first rotating shaft (8) is vertically arranged between the first rotating shaft (8) and the valve rod (3), a driving bevel gear (7) is fixed on one end, close to the valve rod (3), of the first rotating shaft (8), and the driving bevel gear (7) and the driven bevel gear (6) are mutually meshed, rotate on quick-witted case (5) and rotate between installation second pivot (9) and valve rod (3) parallel arrangement, valve gap (4) was kept away from in second pivot (9) one end stretch out quick-witted case (5) and second pivot (9) stretch out to serve and be fixed with rotation handle (10), it is served that one of rotation handle (10) is kept away from in second pivot (9) is fixed with worm (11) and worm wheel (12) and is located quick-witted case (5) inside, one of serving of initiative bevel gear (7) is kept away from in first pivot (8) is fixed with worm wheel (12) and worm (11) between intermeshing.

2. The butt-clamping butterfly valve according to claim 1, wherein a thorn wheel (13) is fixed on the valve rod (3), a stop rod (15) is slidably mounted on the case (5) and is parallel to the first rotating shaft (8), one end of the stop rod (15) is located inside the case (5) and the other end of the stop rod (15) is located outside the case (5), a first handle (16) is fixed on one end of the stop rod (15) located outside the case (5) and a baffle (14) is arranged on one end of the stop rod (15) away from the first handle (16).

3. A butt-clamping butterfly valve according to claim 2, characterised in that the blocking rod (15) is sleeved with a first spring (19) and the first spring (19) is located between the blocking plate (14) and the case (5),

a supporting rod (17) is rotatably arranged on the first handle (16), and an anti-skid pad (18) is arranged at one end, far away from the first handle (16), of the supporting rod (17).

4. A butt-clamping butterfly valve according to claim 1, characterised in that the butterfly plate (2) is circular and a cavity (20) is provided inside the butterfly plate (2).

5. The butt-clamping butterfly valve according to claim 1, wherein the valve rod (3) is a hollow rod, a connecting rod (21) is arranged in the valve rod (3) and one end of the connecting rod (21) facing the case (5) extends upwards out of the case (5), one end of the valve rod (3) close to the butterfly plate (2) extends into the cavity (20) and one end of the valve rod (3) located in the cavity (20) is provided with a plurality of groups of striking components, each striking component comprises a sliding rod (22) vertically arranged with the valve rod (3) and one end of the sliding rod (22) located in the valve rod (3) and the other end of the sliding rod (22) located in the cavity (20), one end of the sliding rod (22) located in the cavity (20) is fixed with a striking ball (23) and one end of the sliding rod (22) located in the valve rod (3) is fixed with a trapezoidal first guide block (25), one end of the connecting rod (21) far away from the case (5) is fixed with a second guide block (26) in a circular truncated cone shape and the second guide block (26) is located The smaller surface of the circular truncated cone of the second guide block (26) faces the first guide block (25), the sliding rod (22) is sleeved with a second spring (24), and the second spring (24) is located between the side wall of the valve rod (3) and the second guide block (26).

6. A butt-clamping butterfly valve according to claim 5, characterised in that said sets of striking assemblies are two and located respectively on the side wall of the valve stem (3) close to the butterfly plate (2).

7. A butt-clamping butterfly valve according to claim 5, characterised in that a second handle (27) is fixed to the end of the connecting rod (21) extending out of the case (5), a groove (28) is provided on the case (5) and the second handle (27) is located inside the groove (28).

8. A butt-clamping butterfly valve according to claim 7, characterized in that a top plate (29) is fixed on the connecting rod (21) and the top plate (29) is located between the second guide block (26) and the upper wall of the case (5), a third spring (30) is sleeved on the connecting rod (21) and the third spring (30) is located between the top plate (29) and the upper wall of the case (5).

9. A butt-clamping butterfly valve according to claim 1, characterised in that the stop (31) is fixed inside the valve stem (3) and the stop (31) is located above the second guide (26), the stop (31) being mounted slidably with the connecting rod (21) and the stop (31) being in sliding contact with the second guide (26).