CN218478219U

CN218478219U - Low-resistance blade of rotary valve

Info

Publication number: CN218478219U
Application number: CN202222994694.8U
Authority: CN
Inventors: 何瓒钇; 李胜
Original assignee: Sichuan Zili Machinery Co ltd
Current assignee: Sichuan Zili Machinery Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-02-14
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to a rotary valve technical field provides a rotary valve low resistance blade, including valve body and the end cover of fixed mounting at the valve body both ends, the last fixed surface of valve body installs the inlet pipe, and the lower fixed surface of valve body installs the discharging pipe, the inside of valve body is equipped with the axis of rotation, and the outer periphery fixed mounting of axis of rotation has two end plates. Through the technical scheme, the problem that the material can not avoid contacting with the rotor when the material is conveyed among the prior art is solved, the rotation resistance of the rotor can be increased in the past for a long time, the problem of running resistance can be caused to the rotor blade, the rotor blade is driven to rotate through the rotating shaft, the material can be conveyed and used through the valve body in a diversion mode, the material can be conveyed and used in a stable-pressure shunting mode through the end plate matched and rotated rotor blade, the resistance of the material to the rotation of the rotor blade can be reduced, and meanwhile the conveying efficiency of the material can be promoted.

Description

Low-resistance blade of rotary valve

Technical Field

The utility model relates to a rotary valve technical field is specific, relates to a rotary valve low resistance blade.

Background

The rotary valve is also called a star valve, and is a regulating valve which changes a valve from an open position to a closed position by rotating a rotating part such as a rotating baffle plate by 90 degrees, the material flow is allowed or cut off by one rotating part, the rotary valve of which the rotating part can rotate by 90 degrees is called a 1/4 rotary valve, sometimes the classification of the 1/4 rotary valve can be expanded to the rotary valve of which the rotating angle is less than 270 degrees, and the rotary valve is provided with a valve and a pipe fitting which are used in a connecting or controlling system of a pipeline;

the rotor of rotary valve is usually axis body, end plate and blade to be constituteed, and the material can not avoid contacting with the rotor when the material is carried, will increase the rotation resistance of rotor in the past for a long time, and the inside accumulational material of valve body can cause moving resistance to the rotor blade simultaneously, can block the material when serious, causes huge influence to the defeated material, for this reason, provides a rotary valve low resistance blade.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotary valve low resistance blade that rotary valve blade rotational resistance is little has solved the inside accumulational material of valve body among the correlation technique, can cause moving resistance to the rotor blade, can block the problem of material when serious.

The technical scheme of the utility model as follows:

in order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a rotary valve low resistance blade, includes valve body and the end cover of fixed mounting at the valve body both ends, and the last fixed surface of valve body installs the inlet pipe, and the lower fixed surface of valve body installs the discharging pipe, the inside of valve body is equipped with the axis of rotation, and the outer periphery fixed mounting of axis of rotation has two end plates, and two end plates are close to one side fixed mounting each other and have a plurality of rotor blade, end cover keeps away from valve body one end and installs dustproof component, and rotating component is all installed at both ends about the valve body inner wall.

Preferably: the improved valve is characterized in that one end, far away from the valve body, of the feeding pipe is fixedly provided with a first connecting flange, one end, far away from the valve body, of the discharging pipe is fixedly provided with a second connecting flange, one side of the valve body is fixedly provided with a motor, the output end of the motor is fixedly provided with a first driving wheel, one end, close to the motor, of the rotating shaft penetrates through a second driving wheel which is fixedly provided with a sealing end cover, a belt is in transmission connection with the first driving wheel, and a protective cover is arranged on the outer side of the second driving wheel.

Preferably: the transverse section of the end plate is of a trapezoidal structure, and the plurality of rotor blades are arranged at equal intervals in a circumferential mode by using the axial lead of the rotating shaft.

Preferably, the following components: the dustproof assembly comprises a dustproof end cover and a sealing washer, the dustproof end cover is installed at one end, far away from the valve body, of the sealing end cover, the sealing washer is sleeved on the outer surface of the rotating shaft, threads are formed on the outer circumferential surface of the dustproof end cover, the dustproof end cover is in threaded connection with the sealing end cover, and conical surfaces which are matched with each other are formed at one ends, close to each other, of the dustproof end cover and the sealing washer.

Preferably: the rotating assembly comprises a connecting bearing fixedly arranged on the inner wall of the sealing end cover and an oil removing cavity arranged above the connecting bearing, an oil guide groove is formed in the bottom end of the oil removing cavity, an oil filling hole is formed in the inner top surface of the oil removing cavity in a penetrating mode, a sealing plug is arranged inside the oil filling hole, and the two ends of the rotating shaft are rotatably connected with the two sealing end covers through the connecting bearing respectively.

The utility model discloses a theory of operation and beneficial effect do:

drive rotor blade through pivoted axis of rotation and rotate, can make and carry out the water conservancy diversion with the material through the valve body and carry the use, can realize carrying out steady voltage reposition of redundant personnel through end plate cooperation pivoted rotor blade and use the material, thereby can reduce the material to rotor blade pivoted resistance, can promote the transport efficiency to the material simultaneously, can cup joint the axis of rotation surface through seal ring, and can seal axis of rotation and end cover junction through seal ring, cooperation dust cover can fix seal ring, and utilize dust cover and seal ring to form the seal cushion layer, effectually prevent that the outside dust of valve body from entering into the inside of end cover, sealed miscellaneous causes the influence to the rotation of axis of rotation.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a second three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the assembly structure of the rotating shaft of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the valve body of the present invention;

fig. 5 is a schematic view of a partial structure at a in fig. 4 according to the present invention.

In the figure: 1. a valve body; 2. sealing the end cap; 3. a feed pipe; 4. connecting a flange I; 5. a discharge pipe; 6. connecting a flange II; 7. a motor; 8. a first transmission wheel; 9. a protective cover; 10. a rotating shaft; 11. an end plate; 12. a rotor blade; 13. a dust-proof end cover; 14. a sealing gasket; 15. removing an oil cavity; 16. an oil guide groove; 17. connecting a bearing; 18. and a second transmission wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIGS. 1-5, the embodiment of the present invention provides a rotary valve low resistance blade, comprising a valve body 1 and end caps 2 fixedly mounted at two ends of the valve body 1, the valve body 1 and the two end caps 2 jointly constitute a housing structure of the rotary valve, a feeding pipe 3 is fixedly mounted on the upper surface of the valve body 1, a discharging pipe 5 is fixedly mounted on the lower surface of the valve body 1, a connecting flange plate I4 is fixedly mounted at one end of the feeding pipe 3 away from the valve body 1, a connecting flange plate II 6 is fixedly mounted at one end of the discharging pipe 5 away from the valve body 1, the feeding pipe can be externally connected with the connecting flange plate I4 for material conveying, a discharging pipe can be externally connected with the connecting flange plate II 6 for discharging the material, a rotary shaft 10 is arranged inside the valve body 1, and a dustproof assembly is mounted at one end of the end cap 2 away from the valve body 1, dustproof subassembly can prevent that outside dust from entering into end cover 2 insidely, avoid getting into end cover 2 and increase the rotation resistance of axis of rotation 10 because of impurity, runner assembly is all installed at both ends about the inner wall of valve body 1, runner assembly can be used for connecting end cover 2 and axis of rotation 10 and use, and can reduce the resistance to rotor blade 12 of rotation in-process, one side fixed mounting of valve body 1 has motor 7, motor 7's output fixed mounting has drive wheel one 8, axis of rotation 10 passes end cover 2 fixed mounting near motor 7 one end and has drive wheel two 18, the transmission is connected with the belt between drive wheel two 18 and the drive wheel one 8, drive wheel two 18 outside is equipped with protection casing 9, motor 7 output rotates and to drive axis of rotation 10 and rotates, the realization is used the water conservancy diversion of transported substance material.

In this embodiment, specifically: two end plates 11 are installed to the outer periphery fixed mounting of axis of rotation 10, two end plates 11 are close to one side fixed mounting each other and have a plurality of rotor blade 12, the transverse section of end plate 11 is the trapezium structure, a plurality of rotor blade 12 is arranged the setting with the equidistant circumference of axis of rotation 10's axial lead, drive rotor blade 12 through pivoted axis of rotation 10 and rotate, can make and carry out the water conservancy diversion with the material through valve body 1 and carry the use, can realize carrying out steady voltage reposition of redundant personnel use to the material through end plate 11 cooperation pivoted rotor blade 12, thereby can reduce the material to rotor blade 12 pivoted resistance, can promote the transport efficiency to the material simultaneously.

In this embodiment, specifically: the dustproof assembly comprises a dustproof end cover 13 and a sealing washer 14, wherein the dustproof end cover 13 is installed at one end, far away from the valve body 1, of the sealing end cover 2, the sealing washer 14 is sleeved on the outer surface of the rotating shaft 10, the dustproof end cover 13 is in threaded connection with the sealing end cover 2, the dustproof end cover 13 and the sealing washer 14 are close to one end and are provided with conical surfaces which are mutually matched, the sealing washer 14 can be sleeved on the surface of the rotating shaft 10, the joint of the rotating shaft 10 and the sealing end cover 2 can be sealed through the sealing washer 14, the sealing washer 14 can be fixed through matching with the dustproof end cover 13, a sealing cushion layer is formed by the dustproof end cover 13 and the sealing washer 14, dust outside the valve body is effectively prevented from entering the sealing end cover 2, and sealing impurities can affect the rotation of the rotating shaft 10.

In this embodiment, specifically: the rotating assembly comprises a connecting bearing 17 fixedly mounted on the inner wall of a sealing end cover 2 and an oil removal cavity 15 arranged above the connecting bearing 17, the bottom end of the oil removal cavity 15 is provided with an oil guide groove 16, an oil filling hole is formed in the inner top surface of the oil removal cavity 15 in a penetrating mode, a sealing plug is mounted inside the oil filling hole, two ends of a rotating shaft 10 are respectively connected with the two sealing end covers 2 in a rotating mode through the connecting bearing 17, lubricating oil can be injected into the oil removal cavity 15 through the oil filling hole on the surface of an oil removal cavity 15, the lubricating oil inside the oil removal cavity 15 can enter the space between the connecting bearing 17 and the rotating shaft 10 along the oil guide groove 16, the resistance of the rotating shaft 10 is reduced through lubricating oil, meanwhile, the lubricating oil can also fill the gap between a sealing gasket 14 and the rotating shaft 10, and the oil film is formed to avoid dust from entering the inside of the sealing end covers 2.

The utility model discloses at the during operation: the output end of the motor 7 rotates to drive the rotating shaft 10 to rotate, the rotating shaft 10 drives the rotor blades 12 to rotate, so that materials can be guided and conveyed for use through the valve body 1, and the end plate 11 is matched with the rotating rotor blades 12 to realize stable-pressure shunt use of the materials, so that the resistance of the materials to the rotation of the rotor blades 12 can be reduced, and the conveying efficiency of the materials can be improved;

the surface of the rotating shaft 10 can be sleeved with the sealing washer 14, the joint of the rotating shaft 10 and the sealing end cover 2 can be sealed through the sealing washer 14, the sealing washer 14 can be fixed by matching with the dustproof end cover 13, and a sealing cushion layer is formed by the dustproof end cover 13 and the sealing washer 14, so that dust outside the valve body is effectively prevented from entering the sealing end cover 2, and sealing impurities can affect the rotation of the rotating shaft 10;

can be to deoiling 15 inside pouring lubricating oil in chamber through the oil filler point that removes oil pocket 15 surface, deoiling 15 inside lubricating oil can enter into between connecting bearing 17 and the axis of rotation 10 along leading oil groove 16, plays the lubricated resistance that reduces axis of rotation 10 through lubricating oil, and the clearance between seal ring 14 and the axis of rotation 10 can also be filled to lubricating oil simultaneously, forms the inside that the dust avoided the oil film to enter into end cover 2.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary valve low-resistance blade comprises a valve body (1) and sealing end covers (2) fixedly installed at two ends of the valve body (1), wherein a feeding pipe (3) is fixedly installed on the upper surface of the valve body (1), and a discharging pipe (5) is fixedly installed on the lower surface of the valve body (1), and the rotary valve low-resistance blade is characterized in that a rotating shaft (10) is arranged inside the valve body (1), two end plates (11) are fixedly installed on the outer circumferential surface of the rotating shaft (10), and a plurality of rotor blades (12) are fixedly installed on one side, close to each other, of the two end plates (11);

the dustproof assembly is installed to seal end cover (2) one end of keeping away from valve body (1), and the runner assembly is all installed at both ends about valve body (1) inner wall.

2. A rotary valve low resistance blade as claimed in claim 1, wherein the inlet pipe (3) is fixedly provided with a first connecting flange (4) at the end away from the valve body (1), and the outlet pipe (5) is fixedly provided with a second connecting flange (6) at the end away from the valve body (1).

3. A rotary valve low resistance vane as claimed in claim 1, wherein a motor (7) is fixedly installed on one side of the valve body (1), a first transmission wheel (8) is fixedly installed on the output end of the motor (7), a second transmission wheel (18) is fixedly installed on one end of the rotary shaft (10) close to the motor (7) through the sealing end cover (2), a belt is in transmission connection between the second transmission wheel (18) and the first transmission wheel (8), and a protective cover (9) is arranged on the outer side of the second transmission wheel (18).

4. A rotary valve low resistance vane as claimed in claim 1 wherein the transverse cross section of the end plate (11) is of a trapezoidal configuration and a plurality of rotor vanes (12) are circumferentially arranged at equal intervals around the axis of the rotary shaft (10).

5. A rotary valve low resistance vane as claimed in claim 1 wherein the dust proof assembly comprises a dust proof end cap (13) mounted on the end of the seal end cap (2) remote from the valve body (1) and a seal gasket (14) sleeved on the outer surface of the rotary shaft (10).

6. A rotary valve low resistance vane as claimed in claim 5, wherein the outer circumference of the dust cap (13) is formed with screw threads, the dust cap (13) is screw-connected with the seal cap (2), and the dust cap (13) and the seal washer (14) are formed with mutually engaged conical surfaces at their ends adjacent to each other.

7. A rotary valve low resistance blade according to claim 1, wherein the rotating assembly comprises a connecting bearing (17) fixedly installed on the inner wall of the sealing end cover (2) and a deoiling chamber (15) arranged above the connecting bearing (17), an oil guiding groove (16) is arranged at the bottom end of the deoiling chamber (15), an oil filling hole is arranged through the inner top surface of the deoiling chamber (15), and a sealing plug is installed inside the oil filling hole.

8. A rotary valve low resistance vane as claimed in claim 1 wherein both ends of the rotary shaft (10) are rotatably connected to the two end caps (2) by connecting bearings (17), respectively.