CN215928413U - Butterfly valve structure with buffering effect - Google Patents

Butterfly valve structure with buffering effect Download PDF

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Publication number
CN215928413U
CN215928413U CN202121333893.3U CN202121333893U CN215928413U CN 215928413 U CN215928413 U CN 215928413U CN 202121333893 U CN202121333893 U CN 202121333893U CN 215928413 U CN215928413 U CN 215928413U
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China
Prior art keywords
plate
pressure
supporting plate
inlet groove
transmission shaft
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Active
Application number
CN202121333893.3U
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Chinese (zh)
Inventor
张宇浩
俞文新
申萍
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Jiangsu Zhengliang Marine Accessories Co ltd
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Jiangsu Zhengliang Marine Accessories Co ltd
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Priority to CN202121333893.3U priority Critical patent/CN215928413U/en
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Publication of CN215928413U publication Critical patent/CN215928413U/en
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Abstract

The utility model discloses a butterfly valve structure with a buffering effect, which comprises a valve body, wherein the valve body is provided with a water inlet and a water outlet; the water inlet is provided with a buffer structure; the buffer structure comprises a pressure inlet groove and a retarding plate; a supporting plate is arranged at the notch of the pressure inlet groove, a rebound column is arranged at the bottom of the supporting plate, a supporting plate is arranged on the inner wall of the pressure inlet groove, the rebound column vertically penetrates through the supporting plate, a pressing plate is arranged at the end part of the rebound column, and a spring is sleeved on the rebound column part between the pressing plate and the supporting plate; the inner wall of the pressure inlet groove is provided with a pressure hole, a pressure ejection mechanism is arranged in the pressure hole, and the pressure ejection mechanism is connected with the retarding plate in a driving manner; one side of the retarding plate is rotatably connected to the inner wall of the water inlet through a rotating shaft.

Description

Butterfly valve structure with buffering effect
Technical Field
The utility model relates to the technical field of valves, in particular to a butterfly valve structure with a buffering effect.
Background
The valve is a control part in the fluid tree hole system and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. When the existing valve is used, because fluid has a scouring effect through the inlet end of the valve, a coating at the inlet of the valve is scoured under the long-term effect, so that the valve body is damaged, and in the opening and closing process of the valve body, when the valve body is in a half-opening and half-closing state, the pressure is increased by rapid water flow, the valve body is abraded, and even leakage is caused.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects in the prior art, the butterfly valve structure with the buffering effect can effectively reduce the abrasion speed of the valve body and prolong the service life of the valve body.
The technical scheme is as follows: in order to achieve the purpose, the butterfly valve structure with the buffering effect comprises a valve body, wherein the valve body is provided with a water inlet and a water outlet; the water inlet is provided with a buffer structure; the buffer structure comprises a pressure inlet groove and a retarding plate; a supporting plate is arranged at the notch of the pressure inlet groove, a rebound column is arranged at the bottom of the supporting plate, a supporting plate is arranged on the inner wall of the pressure inlet groove, the rebound column vertically penetrates through the supporting plate, a pressing plate is arranged at the end part of the rebound column, and a spring is sleeved on the rebound column part between the pressing plate and the supporting plate; the inner wall of the pressure inlet groove is provided with a pressure hole, a pressure ejection mechanism is arranged in the pressure hole, and the pressure ejection mechanism is connected with the retarding plate in a driving manner; one side of the retarding plate is rotatably connected to the inner wall of the water inlet through a rotating shaft.
Further, the pallet comprises a cover plate and a lift plate; the bottom of the cover plate is buckled with a notch covering the pressure inlet groove, and the top of the cover plate is connected to the bottom of the lifting plate through a connecting plate; the bottom of the lifting plate is of a plane structure, and the top of the lifting plate is provided with a lifting surface with radian; in the flow direction of the fluid, the curvature of the lifting surface close to the fluid and to one side is larger than that of the lifting surface far from the fluid and to one side.
Further, the pressure ejection mechanism comprises a pressure plate, a transmission shaft, a return spring and a driving rod; the pressure plate is arranged at the inlet of the pressure hole, the transmission shaft is arranged along the depth direction of the pressure hole, one end of the transmission shaft is connected to the pressure plate, one end of the reset spring corresponds to the transmission shaft, and the other end of the reset spring is attached to the hole bottom of the pressure hole; one end of the driving rod is vertically connected to the circumferential side surface of the transmission shaft, and the other end of the driving rod is connected with a sliding rod; the sliding rod is arranged on the sliding groove at the bottom of the retarding plate in a sliding mode.
Furthermore, the retarding plate is provided with a plurality of through holes.
Has the advantages that: the butterfly valve structure with the buffering effect can effectively reduce the abrasion speed of the valve body and prolong the service life of the valve body, and comprises the following technical effects:
1) the retarding plate is arranged to retard the fluid in the water inlet, so that the abrasion and impact on the valve body are reduced;
2) the through holes are formed in the retarding plate to achieve the effect of resistance-increasing and flow-disturbing, and the retarding effect of the retarding plate is further improved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of a cushioning structure of the present invention;
fig. 3 is a view showing the structure of the chute of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-3: a butterfly valve structure with a buffering effect comprises a valve body 1, wherein the valve body 1 is provided with a water inlet 11 and a water outlet 12; the water inlet 11 is provided with a buffer structure; the buffer structure comprises a pressure inlet groove 2 and a retarding plate 3; a supporting plate is arranged at the notch of the pressure inlet groove 2, a rebound column 22 is arranged at the bottom of the supporting plate, a supporting plate 23 is arranged on the inner wall of the pressure inlet groove 2, the rebound column 22 vertically penetrates through the supporting plate 23, a pressing plate 221 is arranged at the end part of the rebound column 22, and a spring 222 is sleeved on the part of the rebound column 22 between the pressing plate 221 and the supporting plate 23; the inner wall of the pressure inlet groove 2 is provided with a pressure hole 31, a pressure ejection mechanism is arranged in the pressure hole 31, and the pressure ejection mechanism is connected with the retarder plate 3 in a driving manner; one side of the retarding plate 3 is rotatably connected to the inner wall of the water inlet 11 through a rotating shaft; when the flow rate of the fluid reaches the set speed, the lifting plate 212 generates lifting force due to the pressure difference of the upper fluid and the lower fluid, the cover plate 211 is driven to lift to enable the fluid to be filled into the pressure inlet groove 2, the fluid flows into the pressure hole 31 after entering the pressure inlet groove 2, the fluid lifts the speed-reducing plate 3 through the pressure-driven pressure ejection mechanism, the fluid in the water inlet 11 is subjected to speed reduction, the abrasion and the impact on the valve body 1 are reduced, and the service life of the valve body 1 is prolonged.
The pallet comprises a cover plate 211 and a lift plate 212; the bottom of the cover plate 211 is buckled with a notch covering the pressure inlet groove 2, and the top of the cover plate 211 is connected to the bottom of the lifting plate 212 through a connecting plate; the bottom of the lifting plate 212 is of a plane structure, and the top of the lifting plate 212 is provided with a lifting surface with radian; in the flow direction of the fluid, the curvature of the lifting surface close to the fluid and towards one side is larger than that of the lifting surface far away from the fluid and towards one side; when the fluid passes through the upper and lower surfaces of the lifting plate 212, the lifting surface of the upper surface has a curvature, so that the fluid flow rate is greater than that of the lower surface of the lifting plate 212, and the fluid pressure on the upper surface of the lifting plate 212 is lower than that on the lower surface.
The pressure ejection mechanism comprises a pressure plate 41, a transmission shaft 42, a return spring 43 and a driving rod 44; the pressure plate 41 is arranged at the inlet of the pressure hole 31, the transmission shaft 42 is arranged along the depth direction of the pressure hole 31, one end of the transmission shaft 42 is connected to the pressure plate 41, one end of the return spring 43 corresponds to the transmission shaft 42, and the other end of the return spring 43 is attached to the hole bottom of the pressure hole 31; one end of the driving rod 44 is vertically connected to the peripheral side surface of the transmission shaft 42, and the other end of the driving rod 44 is connected with a sliding rod 441; the sliding rod 441 is slidably arranged on the sliding groove 32 at the bottom of the speed-reducing plate 3; the pressure plate 41 moves towards the inside of the pressure hole 31 under the action of fluid pressure, the pressure plate 41 drives the transmission shaft 42 and the driving rod 44 to move together, the sliding rod 441 at the end of the driving rod 44 slides in the sliding chute 32, and the speed-reducing plate 3 is lifted and rotates by taking the rotating shaft as an axis along with the movement of the sliding rod 441; the retardation plate 3 is lifted to retard the fluid in the valve body 1.
The retarding plate 3 is provided with a plurality of through holes 33; the through holes 33 have a resistance-enhancing turbulence effect on the fluid, and further improve the retarding effect of the retarding plate 3.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims (4)

1. The utility model provides a butterfly valve structure with buffering effect which characterized in that: the valve comprises a valve body (1), wherein the valve body (1) is provided with a water inlet (11) and a water outlet (12); the water inlet (11) is provided with a buffer structure; the buffer structure comprises a pressure inlet groove (2) and a buffer plate (3); a supporting plate is arranged at the notch of the pressure inlet groove (2), a rebound column (22) is arranged at the bottom of the supporting plate, a supporting plate (23) is arranged on the inner wall of the pressure inlet groove (2), the rebound column (22) vertically penetrates through the supporting plate (23), a pressing plate (221) is arranged at the end part of the rebound column (22), and a spring (222) is sleeved on the part, between the pressing plate (221) and the supporting plate (23), of the rebound column (22); the inner wall of the pressure inlet groove (2) is provided with a pressure hole (31), a pressure ejection mechanism is arranged in the pressure hole (31), and the pressure ejection mechanism is connected with the retarder plate (3) in a driving way; one side of the retarding plate (3) is rotatably connected to the inner wall of the water inlet (11) through a rotating shaft.
2. The butterfly valve structure with buffering effect according to claim 1, wherein: the pallet comprises a cover plate (211) and a lift plate (212); the bottom of the cover plate (211) is buckled with a notch covering the pressure inlet groove (2), and the top of the cover plate (211) is connected to the bottom of the lifting plate (212) through a connecting plate; the bottom of the lifting plate (212) is of a plane structure, and the top of the lifting plate (212) is provided with a lifting surface with radian; in the flow direction of the fluid, the curvature of the lifting surface close to the fluid and to one side is larger than that of the lifting surface far from the fluid and to one side.
3. The butterfly valve structure with buffering effect according to claim 1, wherein: the pressure ejection mechanism comprises a pressure plate (41), a transmission shaft (42), a return spring (43) and a driving rod (44); the pressure plate (41) is arranged at the inlet position of the pressure hole (31), the transmission shaft (42) is arranged along the depth direction of the pressure hole (31), one end of the transmission shaft is connected to the pressure plate (41), one end of the return spring (43) corresponds to the transmission shaft (42), and the other end of the return spring (43) is attached to the hole bottom of the pressure hole (31); one end of the driving rod (44) is vertically connected to the peripheral side surface of the transmission shaft (42), and the other end of the driving rod (44) is connected with a sliding rod (441); the sliding rod (441) is slidably arranged on the sliding groove (32) at the bottom of the speed-reducing plate (3).
4. The butterfly valve structure with buffering effect according to claim 1, wherein: the retarding plate (3) is provided with a plurality of through holes (33).
CN202121333893.3U 2021-06-16 2021-06-16 Butterfly valve structure with buffering effect Active CN215928413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121333893.3U CN215928413U (en) 2021-06-16 2021-06-16 Butterfly valve structure with buffering effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121333893.3U CN215928413U (en) 2021-06-16 2021-06-16 Butterfly valve structure with buffering effect

Publications (1)

Publication Number Publication Date
CN215928413U true CN215928413U (en) 2022-03-01

Family

ID=80403067

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121333893.3U Active CN215928413U (en) 2021-06-16 2021-06-16 Butterfly valve structure with buffering effect

Country Status (1)

Country Link
CN (1) CN215928413U (en)

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