CN219263201U

CN219263201U - Flow regulating structure of water pump valve

Info

Publication number: CN219263201U
Application number: CN202223417919.XU
Authority: CN
Inventors: 梁开南
Original assignee: Taizhou Yizhong Pump Co ltd
Current assignee: Taizhou Yizhong Pump Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-27
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a flow control structure of water pump valve, belong to water pump flow control technical field, including cylindric valve casing, cavity formation valve pocket in the valve casing, be equipped with a cylindric valve plate in the valve pocket, it is equipped with a rubber ring pad to encircle the valve plate on the valve casing inner wall, the valve plate inlays to be established in the rubber ring pad, be equipped with a vertical axle of wearing in the valve plate, wear to run through the valve plate from top to bottom, a perforation is all offered to rubber ring pad top and bottom, the valve casing top is equipped with a through-hole that aligns with the perforation, the bottom is offered and is accepted the groove, wear the axle both ends and all wear to establish the perforation, wear the axle top and stretch into in the through-hole and connect and be equipped with a rotation axis, the rotation axis top exposes the valve casing and is equipped with an regulation swivel joint, wear the connection of axle bottom and be equipped with a rotatory piece, rotatory piece connects soon in accepting the inslot. The valve plate rotates along vertical through axle to change the degree of opening and shutting and adjusts the flow for can avoid when the valve plate opens with the flow direction perpendicular and influence the flow, the water pressure that the reduction valve plate that simultaneously also can be great receives.

Description

Flow regulating structure of water pump valve

Technical Field

The utility model relates to the technical field of water pump flow regulation, in particular to a flow regulation structure of a water pump valve.

Background

The water pump is a mechanism for delivering or pressurizing liquid, and is used for delivering mechanical energy of a prime motor or other external energy to the liquid, so that the energy of the liquid is increased, and the water pump is mainly used for delivering the liquid including water, oil, acid and alkali liquor and the like.

In use, the water pump is usually required to adjust the pumping flow rate of the water pump according to the requirement of the required liquid, so a mechanism for adjusting the flow rate is usually additionally arranged on a valve of the water pump, for example, a flow rate adjusting structure (patent number: CN 202020324611.2) of the water pump valve comprises a valve body, a sleeve is arranged in the middle of the valve body, and a filter screen cylinder is embedded in a water inlet; the sleeve is internally inserted with a plunger rod, the middle part of the plunger rod is fixed with an adjusting block, the lower end of the plunger rod is provided with a plunger, and a first compression spring is sleeved on the plunger rod between the adjusting block and the plunger; the bottom of the plunger rod is connected with the bottom wall of the through groove through a second compression spring; the lower end of the plunger is provided with a diversion end with a hemispherical structure, and the periphery of the diversion end is provided with a sealing ring. The double buffer structure can effectively buffer the impact of water flow; simultaneously, two groups of compression springs are mutually restricted, and the buffer amplitude of the plunger is limited under the cooperation of the limiting groove and the limiting block; the lower end of the plunger is provided with a diversion end, and the curved surface structure is utilized to guide water flow, so that the flow resistance is reduced; the sealing gasket in the sealing cavity is matched and embedded with the diversion end, and the embedding is tighter under the extrusion action of the compression spring.

The existing water pump valve flow regulating mechanism generally adopts a rotating handle to enable a piston to move up and down, so that the opening and closing degree of the piston and a valve structure is changed to regulate the flow.

Disclosure of Invention

Flow is adjusted by changing opening and closing degree through setting up the valve plate along vertical through shaft rotation, when the valve plate is opened, the valve plate face can avoid influencing flow with the flow direction is perpendicular, simultaneously the water pressure that the valve plate received that also can be great reduces.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flow control structure of water pump valve, including cylindric valve casing, cavity formation valve pocket in the valve casing, be equipped with cylindric valve plate in the valve pocket, valve plate and valve casing are with the central axis, encircle the valve plate on the valve casing inner wall and be equipped with a rubber ring pad, the valve plate inlays and establishes in the rubber ring pad, be equipped with a vertical axle of wearing in the valve plate, wear to run through the valve plate from top to bottom, a perforation is all offered to rubber ring pad top and bottom, the valve casing top is equipped with a through-hole that aligns with the perforation, a accepting groove is offered to the bottom, wear to both ends of axle all wear to establish the perforation, wear to stretch into in the through-hole and connect and be equipped with a rotation axis, the rotation axis top exposes the valve casing and is equipped with an regulation swivel joint, the rotation axis exposes the valve casing to inlay outward and establishes a rotary damper, wear to connect in the axle bottom and be equipped with a rotatory piece, the rotatory joint is in accepting the inslot. The working principle is as follows: firstly, a valve shell is connected and installed at a liquid outlet position of a valve of a water pump, when the water pump normally operates to pump liquid, and when the maximum flow is required to be achieved, a rotating shaft is rotated to enable a rotating shaft to rotate to drive a penetrating shaft to rotate, a valve plate is further enabled to rotate, when the valve plate is rotated to be parallel to the flow direction, rotation is stopped, the valve plate can be prevented from being automatically rotated under the damping action of a rotary damper under the action of water pressure, and at the moment, the flow reaches the maximum; secondly, when the flow is required to be reduced, the opening and closing degree of the valve plate is reduced slowly by only reversely rotating the adjusting rotating shaft so as to reduce the flow; finally, the opening and closing degree is changed through the rotation of the valve plate to adjust the flow, so that the influence on the flow caused by the vertical direction of the flow can be avoided when the valve plate is opened, and meanwhile, the water pressure born by the valve plate can be greatly reduced.

The further preferred scheme is as follows: a sealing ring is arranged in the through hole, and the through shaft penetrates through the sealing ring and is in sealing screwed connection with the sealing ring. The seal ring screwed with the shaft penetrating seal is arranged in the perforation, so that the seal function can be achieved, and the fluid is prevented from exposing out of the valve casing along the shaft penetrating.

The further preferred scheme is as follows: the top surface of the adjusting rotating shaft is provided with a spline groove. The spline groove is formed in the top surface of the adjusting rotating shaft, other structures can be used for being inserted into the spline groove, and the adjusting rotating shaft can be rotated conveniently.

The further preferred scheme is as follows: the top of the valve casing is provided with a bearing in the through hole, and the rotating shaft penetrates through the bearing and is screwed with the bearing. The bearing connected with the rotating shaft in a rotating way is arranged, so that the rotating shaft can be limited and supported, the rotating shaft can be prevented from shifting during rotation, and the flow regulation precision is further guaranteed.

The further preferred scheme is as follows: the groove wall of the receiving groove is provided with a limiting baffle ring which is in a partial circular ring shape, the rotating block is screwed into the limiting baffle ring, and the rotating block is provided with a protruding block protruding out of the limiting baffle ring. The limiting baffle ring is provided with a part of annular limiting baffle ring, and the rotating block is provided with a protruding block, so that the rotating block can rotate by 360 degrees, and the valve plate is prevented from being controlled easily.

The further preferred scheme is as follows: the limit baffle ring is in a three-quarter circular ring shape. The limiting baffle ring with 270 degrees is arranged, so that the rotating block can only rotate within a range of 90 degrees, the range of the valve plate which needs to rotate by 90 degrees from complete closing to complete opening (parallel flow direction of the surface of the valve plate) can be matched, the opening and closing angle of the valve plate is consistent with the rotating range of the rotating block, and flow regulation is convenient to control.

The utility model provides a flow regulating structure of a water pump valve, which has the following beneficial effects:

1. according to the utility model, the opening and closing degree is changed by arranging the valve plate to rotate along the vertical penetrating shaft, so that when the valve plate is opened, the flow is prevented from being influenced by the fact that the surface of the valve plate is perpendicular to the flow direction, and meanwhile, the water pressure born by the valve plate can be greatly reduced.

2. The utility model has the advantages that the 270-degree limit baffle ring is arranged, so that the rotating block can only rotate within the range of 90 degrees, the range of 90 degrees of rotation of the valve plate from complete closing to complete opening (the plate surface of the valve plate is parallel to the flow direction) can be matched, the opening and closing angle of the valve plate is consistent with the rotating range of the rotating block, and the flow regulation is convenient to control.

Drawings

FIG. 1 is a schematic view of the external overall structure of the present utility model.

Fig. 2 is a schematic view of the overall longitudinal sectional structure of the present utility model.

FIG. 3 is a schematic view of the present utility model in partial cross-section.

Fig. 4 is a schematic cross-sectional view of the rotating block and the receiving groove of the present utility model.

FIG. 5 is a schematic view of the overall structure of the shaft and the valve plate of the present utility model.

1-5: 1. a valve housing; 2. a valve plate; 3. a valve cavity; 4. a rotation shaft; 5. adjusting the rotating shaft; 501. spline grooves; 6. a rotary damper; 7. a bearing; 8. a through hole; 9. penetrating a shaft; 10. a rubber ring pad; 1001. perforating; 11. a rotating block; 1101. a bump; 12. a receiving groove; 1201. a limit baffle ring; 13. and (3) a sealing ring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

please refer to fig. 1 to 5:

the valve casing 1 is cylindric, cavity forms valve pocket 3 in the valve casing 1, be equipped with cylindric valve plate 2 in the valve pocket 3, valve plate 2 and valve casing 1 are with the central axis, encircle valve plate 2 on the valve casing 1 inner wall and be equipped with a rubber ring pad 10, valve plate 2 inlays and establish in rubber ring pad 10, be equipped with a vertical axle 9 of wearing in the valve plate 2, wear axle 9 to run through valve plate 2 from top to bottom, a perforation 1001 is all offered to rubber ring pad 10 top and bottom, valve casing 1 top is equipped with a through-hole 8 that aligns with perforation 1001, a holding tank 12 is offered to the bottom, wear axle 9 both ends all wear to establish perforation 1001, wear axle 9 top to stretch into in through-hole 8 and connect and be equipped with a rotation axis 4, valve casing 1 top is located through-hole 8 and is equipped with a bearing 7, rotation axis 4 wears to establish bearing 7 and connect soon with bearing 7, rotation axis 4 top exposes valve casing 1 and is equipped with an adjustment swivel shaft 5, a spline groove 501 is offered to the adjustment swivel shaft 5 top surface, rotation axis 4 exposes 1 section and inlays and establishes a rotatory damper 6 outward, wear axle 9 bottom connection and is equipped with a rotatory piece 11, rotatory piece 11 connects in holding tank 12.

The through hole 1001 is provided with a sealing ring 13, and the through shaft 9 penetrates through the sealing ring 13 and is in sealing screwing connection with the sealing ring 13.

The groove wall of the receiving groove 12 is provided with a limiting stop ring 1201 which is partially circular, the rotating block 11 is screwed in the limiting stop ring 1201, the rotating block 11 is provided with a projection 1101 protruding the limiting stop ring 1201, and the limiting stop ring 1201 is in a three-quarter circular shape.

The working principle is as follows: firstly, a valve shell 1 is connected and arranged at a liquid outlet position of a valve of a water pump, when the water pump normally operates to pump liquid and the maximum flow is required, a rotating shaft 5 is rotated to enable a rotating shaft 4 to rotate to drive a penetrating shaft 9 to rotate, a valve plate 2 is further enabled to rotate, when the valve plate 2 rotates to be parallel to the flow direction, the rotation is stopped, the valve plate 2 can be prevented from being automatically rotated under the damping action of a rotary damper 6 under the action of water pressure, and the flow reaches the maximum at the moment; secondly, when the flow is required to be reduced, the rotation shaft 5 is only required to be reversely rotated to enable the opening and closing degree of the valve plate 2 to be gradually reduced so as to reduce the flow; finally, the opening and closing degree is changed through the rotation of the valve plate 2 to adjust the flow, so that the influence on the flow caused by the vertical direction of the flow can be avoided when the valve plate 2 is opened, and meanwhile, the water pressure born by the valve plate 2 can be greatly reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flow control structure of water pump valve, includes cylindric valve casing (1), cavity formation valve pocket (3) in valve casing (1), its characterized in that: be equipped with cylindric valve plate (2) in valve pocket (3), valve plate (2) and valve casing (1) are with the central axis, encircle valve plate (2) on valve casing (1) inner wall and be equipped with a rubber ring pad (10), valve plate (2) are inlayed and are established in rubber ring pad (10), be equipped with a vertical axle (9) of wearing in valve plate (2), wear axle (9) to run through valve plate (2) from top to bottom, a perforation (1001) are all offered on rubber ring pad (10) top and bottom, valve casing (1) top is equipped with a through-hole (8) that aligns with perforation (1001), a accepting groove (12) are offered to the bottom, wear axle (9) both ends and all wear to establish perforation (1001), wear axle (9) top and stretch into in through-hole (8) and connect and be equipped with a rotation axis (4), rotation axis (4) top expose valve casing (1) and be equipped with an regulation swivel block (5), rotation axis (4) expose a section of establishing a rotatory damper (6), wear axle (9) bottom connection and be equipped with a rotatory piece (11), rotatory piece (11) connects in accepting groove (12).

2. The flow regulating structure of a water pump valve according to claim 1, wherein: a sealing ring (13) is arranged in the through hole (1001), and the through shaft (9) penetrates through the sealing ring (13) and is in sealing screwing connection with the sealing ring (13).

3. The flow regulating structure of a water pump valve according to claim 1, wherein: the top surface of the adjusting rotating shaft (5) is provided with a spline groove (501).

4. The flow regulating structure of a water pump valve according to claim 1, wherein: the top of the valve casing (1) is provided with a bearing (7) in the through hole (8), and the rotating shaft (4) penetrates through the bearing (7) and is screwed with the bearing (7).

5. The flow regulating structure of a water pump valve according to claim 1, wherein: the groove wall of the receiving groove (12) is provided with a limiting baffle ring (1201) which is in a partial circular ring shape, the rotating block (11) is screwed in the limiting baffle ring (1201), and the rotating block (11) is provided with a convex block (1101) protruding out of the limiting baffle ring (1201).

6. The flow regulating structure of a water pump valve as claimed in claim 5, wherein: the limit stop ring (1201) is in the shape of three-quarters of a circle.