CN218408548U

CN218408548U - Novel adjust butterfly valve

Info

Publication number: CN218408548U
Application number: CN202222300383.7U
Authority: CN
Inventors: 梁宏杰; 濮阳德昭
Original assignee: Fujian Jiest Valve Manufacturing Co ltd
Current assignee: Beijing Senbote Energy Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-31
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a butterfly valve manufacturing field discloses a novel adjust butterfly valve, the water control valve comprises a valve body, the department runs through in the middle of the inside of valve body and has seted up the rivers mouth, the fixed flange that is provided with in upper end of valve body, flange's the fixed electric actuator that is provided with in upper end, electric actuator's the fixed connecting axle that is provided with of output, the fixed pivot that is provided with of lower extreme of connecting axle, the axle body of pivot is by lower extreme department rotation cover and is equipped with the lower axle sleeve, the axle body of pivot is by the fixed cover of middle department and is equipped with the butterfly plate, the axle body of pivot is by upper end department rotation cover and is equipped with the axle sleeve. The utility model discloses in, the novel regulation butterfly valve that proposes, through axle sleeve, cavity, filler, to open design reduction friction such as ring, gland, make the butterfly plate adjust smoothly, improve the water proofness to improve butterfly valve's life.

Description

Novel adjust butterfly valve

Technical Field

The utility model relates to a butterfly valve manufacturing field especially relates to a novel adjust butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for the on-off control of low-pressure pipeline media, a closing member of the flap valve is a disc, and the flap valve can rotate around a valve shaft to open and close, and can be used for controlling the flow of various types of fluids such as air, water, steam, slurry, oil, liquid metal, radioactive media and the like.

Most of the existing butterfly valves work, the rotating design between the rotating shaft of the inner butterfly plate and the butterfly valve is unreasonable, the friction resistance between the rotating shaft of the butterfly plate and the butterfly valve is overlarge during movement, related parts are easy to wear seriously, the butterfly valve is caused to leak, the service life of the butterfly valve is greatly reduced, and the maintenance cost is increased. In addition, other sealing measures of the rotating shaft and the butterfly valve are insufficient, and the leakage is easy to happen under the stress of long-term high water pressure. Accordingly, those skilled in the art have provided a new type of regulating butterfly valve to solve the problems set forth in the background of the invention described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the novel regulation butterfly valve that proposes to there is easy because of the friction impaired, do not have other supplementary sealing measure to lead to leaking, life etc. problem easily between pivot and the butterfly valve in solving prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a novel adjusting butterfly valve comprises a valve body, wherein a water flow port is formed in the middle of the inside of the valve body in a penetrating mode, a rotating shaft is rotatably arranged in the valve body, a lower shaft sleeve is rotatably sleeved on a shaft body of the rotating shaft close to the lower end of the rotating shaft, a butterfly plate is fixedly sleeved on the shaft body of the rotating shaft close to the middle of the rotating shaft, an upper shaft sleeve is rotatably sleeved on the shaft body of the rotating shaft close to the upper end of the rotating shaft, and a split ring is rotatably sleeved on the shaft body of the rotating shaft close to the upper end of the rotating shaft;

the upper end of the split ring is fixedly filled with packing, a packing gland is arranged in the upper end of the valve body in a buckling mode, four locking screws are arranged in the packing gland in an internal thread mode, and a sealing ring is fixedly arranged in the middle of the lower end of the packing gland;

through above-mentioned technical scheme, reduce the friction between pivot and the valve body, strengthen the leakproofness between pivot and the valve body, improve the life of butterfly valve.

Furthermore, a 0.5mm gap is formed between the outer surface of the butterfly plate and the inner wall of the water flow port;

through the technical scheme, the load on the water pump is increased when the water pump works, and the falling speed of the water temperature behind the valve is delayed, so that the water temperature behind the valve is kept in a constant temperature state for a long time, and the purposes of energy conservation and consumption reduction are achieved.

Furthermore, the lower end of the rotating shaft is rotatably inserted into an installation groove formed in the inner wall of the valve body through a lower shaft sleeve, and the inner bottom surface of the installation groove is in an inverted cone shape;

through the technical scheme, the electric actuator can be more smooth when the rotating shaft is driven.

Furthermore, the ring body of the split ring is fixedly sleeved inside the valve body close to the upper end;

through above-mentioned technical scheme, through the inside joint of ring body in the inside of pivot, prevent that the pivot from moving when water pressure is too big.

Further, the filler is an O-shaped sealing ring;

through above-mentioned technical scheme, O type sealing washer has elasticity, has improved waterproof performance.

Further, the lower end of the temperature sensor penetrates through the upper end of the valve body to the inner part of the water flow port;

through the technical scheme, the PID temperature controller connecting port can measure the temperature of water flowing through the water outlet more accurately, and a better adjusting effect is achieved.

Furthermore, the front side and the rear side of the lower end of the valve body are both fixedly provided with a fixed interface;

through above-mentioned technical scheme, conveniently with this butterfly valve fixed mounting at the exit end of water pump to and connect the low reaches pipeline.

Furthermore, a filling port is fixedly arranged on one side of the upper end of the outer surface of the valve body;

through above-mentioned technical scheme, conveniently to the inside lubricant that adds of butterfly valve, improve this butterfly valve's life.

Furthermore, the valve body is fixedly provided with an electric actuator for rotating the rotating shaft and a temperature sensor for detecting the water temperature. The temperature sensor is connected with the electric actuator through the PID temperature controller in a communication mode, so that the electric actuator can control the rotating shaft to rotate according to the temperature.

The utility model discloses following beneficial effect has:

1. the utility model provides a novel adjust butterfly valve, the relative ratio goes out traditional butterfly valve, is equipped with the clearance between the inner wall of the inside butterfly plate rivers mouth of this butterfly valve, can avoid aggravating the load to the water pump at the water pump during operation, delays the falling speed of temperature in the low reaches pipeline simultaneously to make behind the valve temperature keep the constant temperature state of longer time, realize energy saving and consumption reduction.

2. The utility model provides a novel adjust butterfly valve, the axle body of the inside pivot of this butterfly valve leans on upper end department and valve body inside between pack to have the filler to by packing gland tightly pushing down, increase the leakproofness between pivot and the valve body, make the butterfly valve can bear the water pressure of bigger pressure and be difficult for taking place the seepage, avoided the waste of water resource, improved the suitability of butterfly valve, life.

3. The utility model provides a novel adjust butterfly valve, the inside of this butterfly valve is provided with temperature sensor, can pass the temperature signal who gathers to the PID temperature controller, and electric actuator comes automatic control drive butterfly plate according to the temperature and rotates-decide the angle to reach the flow that control hot water passes through this butterfly valve, need not artifical real time monitoring, liberated the manpower.

Drawings

Fig. 1 is a schematic axial view of a novel adjusting butterfly valve provided by the present invention without an electric actuator;

fig. 2 is a schematic side sectional view of a novel adjusting butterfly valve provided by the present invention;

FIG. 3 is an enlarged view of the position A of the novel adjusting butterfly valve provided by the present invention;

fig. 4 is a schematic front view of the novel adjusting butterfly valve provided by the utility model.

Illustration of the drawings:

1. a valve body; 2. fixing the interface; 3. a lower shaft sleeve; 4. a rotating shaft; 5. a butterfly plate; 6. an upper shaft sleeve; 7. an electric actuator; 8. a connecting flange; 9. a PID temperature controller connector; 10. a waterproof plug; 11. a water flow port; 12. a packing gland; 13. a seal ring; 14. locking the screw; 15. opening the ring; 16. a connecting shaft; 17. a fill port; 18. a water pressure gauge; 19. a temperature sensor; 20. an annular flange; 21. a filler; 22. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a novel adjust butterfly valve, includes valve body 1, and department runs through in the middle of the inside of valve body 1 has seted up rivers mouth 11, and the fixed flange 8 that is provided with in upper end of valve body 1, the fixed electric actuator 7 that is provided with in upper end of flange 8, through flange joint, the convenient dismantlement is maintained, and the fixed connecting axle 16 that is provided with of output of electric actuator 7, the fixed pivot 4 that is provided with of lower extreme of connecting axle 16, the axle body of pivot 4 leans on lower extreme department to rotate the cover and is equipped with down axle sleeve 3. The lower end of the rotating shaft 4 is rotatably inserted into a mounting groove 22 formed in the inner wall of the valve body 1 through the lower shaft sleeve 3. Preferably, the inner bottom surface of the mounting groove 22 is in an inverted cone shape, and an inverted cone-shaped cavity is formed between the inner bottom surface of the mounting groove 22 and the lower end of the lower shaft sleeve 3, so that compared with a cylindrical cavity, the inverted cone-shaped cavity can prevent the two from moving up and down and being misplaced, the assembly accuracy between parts is ensured, the service life of the equipment is prolonged, the contact area between the two is reduced as much as possible, and the friction resistance is reduced. It can be seen that the electric actuator 7 can be more smoothly driven to drive the rotating shaft 4 through the lower shaft sleeve 3, the inverted conical cavity of the mounting groove 22 and the like.

The inner wall of the valve body 1 is provided with an annular flange 20 at the position where the rotating shaft 4 is rotatably arranged, so that the mutual stress area of the valve body 1 and the rotating shaft 4 through the lower shaft sleeve 3 is increased, the valve body 1 is strengthened, and the damage condition of the valve body 1 caused by friction is further reduced. The butterfly plate 5 is fixedly sleeved at the position, close to the middle, of the shaft body of the rotating shaft 4 in an integrated forming mode or a welding mode and the like, and can be used for cutting off water flow, the upper shaft sleeve 6 is rotatably sleeved at the position, close to the upper end, of the shaft body of the rotating shaft 4, and the split ring 15 is rotatably sleeved at the position, close to the upper end, of the shaft body of the rotating shaft 4;

the fixed packing in upper end of split ring 15 has packing 21, can avoid the inside water of butterfly valve to flow out along with pivot 4 upwards, and the upper end of valve body 1 is fixed and is provided with gland 12, and gland 12 inlays inside the upper end of valve body 1 to through four locking screw 14 and valve body 1 fixed connection, gland 12 can compress tightly packing 21, and the fixed sealing washer 13 that is provided with of still locating in the middle of gland 12's the lower extreme. The filler 21 is an O-shaped sealing ring, has elasticity, and greatly improves the waterproof performance.

The upper end of the valve body 1 is detachably clamped with a waterproof plug 10 by means of screw connection and the like close to the inside of the rear side, a PID temperature controller connector 9 is fixedly arranged inside the waterproof plug 10, a PID temperature controller (not shown in the figure) can be connected for data processing, a temperature sensor 19 is fixedly arranged at the lower end of the PID temperature controller connector 9, the temperature sensor 19 is connected with the PID temperature controller connector 9 through a wire and is connected to a signal input end of the PID temperature controller, the water temperature inside the butterfly valve can be monitored, a water pressure gauge 18 is fixedly arranged on one side of the valve body 1 and is used for monitoring the water pressure inside the butterfly valve in real time, the butterfly valve is arranged at the water outlet end of a boiler hot water pump during use, when the water pump works, water flows through the butterfly valve, the temperature sensor 19 transmits collected temperature signals to the PID temperature controller connector 9, the temperature controller calculates according to a temperature target value set by a user and sends an analog quantity signal to the electric actuator 7, and the electric actuator 7 drives the butterfly plate 5 to rotate to control the flow of hot water passing through the valve at a fixed angle. Electric actuator 7, temperature sensor 19, PID temperature controller connector 9 and PID temperature controller all belong to current product, prior art, and their specific structure and relation of connection are no longer repeated herein.

To some special use occasions that do not require butterfly valve to close the back and cut off rivers completely, the utility model discloses still provide an optimal scheme: a0.5 mm gap is arranged between the outer surface of the butterfly plate 5 and the inner wall of the water flow port 11. The clearance can ensure that the water flow can not be completely cut off, and can also avoid the load of the water pump during the work of the water pump from being aggravated.

The fixed cover of the ring body of the split ring 15 is established in the valve body 1 and leans on the upper end department, the inside joint through the ring body is in the inside of pivot 4, prevent that pivot 4 from touching when water pressure is too big, four locking screw 14 set up gland 12 inside the upper end of valve body 1 with the mode of embedding setting is fixed, make gland 12 more fixed, avoid simultaneously packing 21 to be washed out by the water, packing 21 is O type sealing washer, elasticity has, waterproof performance has been improved greatly, the lower extreme of temperature sensor 19 runs through the upper end of valve body 1 and extends to inside the rivers mouth 11, can be more accurate measure out the inside rivers temperature that flows through of rivers mouth 11, reach better regulation effect, the lower extreme front and back side of valve body 1 all is fixed and is provided with fixed interface 2, conveniently with this butterfly valve fixed mounting in the exit end of water pump, and connect the low reaches pipeline, surface upper end one side of valve body 1 is fixed with fill opening 17, in the butterfly plate 5 and the upper and lower shaft sleeve that one-way is connected to the valve body 1 inside, conveniently add emollient to it, improve the life of this butterfly valve.

The working principle is as follows: the butterfly valve is mainly installed at the water outlet end of a boiler hot water pump, when in use, the PID temperature controller connecting port 9 is connected to a PID temperature controller, when the water pump works, water flow can flow into the adjusting butterfly valve and is detected by a temperature sensor 19 installed at the outlet of the butterfly valve, then the collected temperature signal is transmitted to the PID temperature controller connecting port 9, the PID temperature controller connecting port 9 is transmitted to the temperature controller, at the moment, the temperature target value set by a user can be calculated, an analog quantity signal is sent to the electric actuator 7, the electric actuator 7 drives the butterfly plate 5 to rotate for a certain angle, and finally the flow of hot water passing through the adjusting butterfly valve is controlled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel adjust butterfly valve, includes valve body (1), its characterized in that: a water flow opening (11) is formed in the middle of the inside of the valve body (1) in a penetrating mode, a rotating shaft (4) is rotatably arranged on the valve body (1), a lower shaft sleeve (3) is rotatably sleeved on a shaft body of the rotating shaft (4) close to the lower end in a rotating mode, a butterfly plate (5) is fixedly sleeved on the shaft body of the rotating shaft (4) close to the middle in a rotating mode, an upper shaft sleeve (6) is rotatably sleeved on the shaft body of the rotating shaft (4) close to the upper end in a rotating mode, and a split ring (15) is rotatably sleeved on the shaft body of the rotating shaft (4) close to the upper end in a rotating mode;

the upper end of the split ring (15) is fixedly filled with packing (21), the upper end of the valve body (1) is clamped with a packing gland (12), and a sealing ring (13) is fixedly arranged in the middle of the lower end of the packing gland (12).

2. A new regulating butterfly valve according to claim 1, characterised in that: a0.5 mm gap is arranged between the outer surface of the butterfly plate (5) and the inner wall of the water flow port (11).

3. A novel regulating butterfly valve according to claim 1, characterized in that: the lower end of the rotating shaft (4) is rotatably inserted into a mounting groove (22) formed in the inner wall of the valve body (1) through the lower shaft sleeve (3), and the inner bottom surface of the mounting groove (22) is in an inverted cone shape.

4. A novel regulating butterfly valve according to claim 1, characterized in that: the ring body of the split ring (15) is fixedly sleeved inside the valve body (1) close to the upper end.

5. A new regulating butterfly valve according to claim 1, characterised in that: the packing 21 is an O-ring.

6. A new regulating butterfly valve according to claim 1 or 3, characterised in that: and an annular flange (20) is arranged on the inner wall of the valve body (1) at the position where the rotating shaft (4) is rotatably arranged.

7. A novel regulating butterfly valve according to claim 1, characterized in that: the valve body (1) is fixedly provided with an electric actuator (7) for rotating the rotating shaft (4) and a temperature sensor (19) for detecting water temperature; the temperature sensor (19) is connected to the electric actuator (7) through a PID temperature controller in a communication mode, and the electric actuator (7) can conveniently control the rotation of the rotating shaft (4) according to the temperature.