CN110594431B

CN110594431B - Special valve for liquid delivery

Info

Publication number: CN110594431B
Application number: CN201910935814.7A
Authority: CN
Inventors: 尹秀兰; 黄其扬; 周伟华
Original assignee: Jiangsu Jinling Zhizao Research Institute Co ltd; Nanjing Chenguang Group Co Ltd
Current assignee: JIANGSU JINLING ZHIZAO RESEARCH INSTITUTE Co.,Ltd.; Nanjing Chenguang Group Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2021-02-05
Anticipated expiration: 2039-09-29
Also published as: CN110594431A

Abstract

The invention relates to the technical field of valves, in particular to a special valve for liquid delivery. The shifting block that sets up through rotating can drive the rotation of internal thread crown plate, adopt threaded connection between internal thread crown plate and the first case, first case is spacing in the inside of valve body simultaneously, can't rotate along with the rotation of internal thread crown plate, thereby convert rotary motion into linear motion, it goes up and down to drive first case, thereby realize the velocity of flow of the control gate valve of first degree, the actuating cylinder can drive the telescopic link and carry out concertina movement, telescopic link and second case fixed connection, the second case is in the inside of valve pocket simultaneously, adjust the interval between second case and the intercommunication groove, thereby adjust the bore size of intercommunication between intake antrum and the drainage chamber, realize once more adjusting the velocity of flow, make the range of the size of velocity of flow when adjusting bigger.

Description

Special valve for liquid delivery

Technical Field

The invention relates to the technical field of valves, in particular to a special valve for liquid delivery.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

In the transportation process to the viscous liquid of small flow, the flow speed of liquid is realized through adjusting the case to the size of velocity of flow, make the adjustable range of velocity of flow of valve reduce, flow velocity in the valve body of needs is very little, the valve of current unitary case though can adjust, but it is very inconvenient when adjusting, the control velocity of flow size that can't advance accurately, current liquid velocity of flow control valve is after long-time the use simultaneously, partial impurity in the liquid and dirt can be attached to the inner wall of connecting tube and valve, make its inside a large amount of dirt of adhering to, make the transport efficiency greatly reduced of valve and pipeline to liquid.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a special valve for liquid delivery.

The technical scheme adopted by the invention for solving the technical problems is as follows: the valve special for liquid conveying comprises a gate valve assembly, a connecting assembly, a first sealing valve, a second sealing valve and a cleaning assembly, wherein the connecting assembly is arranged at two ends of the gate valve assembly;

the gate valve subassembly comprises valve body, first flange, intake antrum and drainage chamber, the first flange of the equal fixedly connected with in both ends of valve body, intake antrum and drainage chamber have been seted up to the inside of valve body, the intake antrum sets up in the top of drainage chamber, just intake antrum and drainage chamber communicate each other.

Specifically, coupling assembling comprises first connecting pipe, second flange and first locking bolt, first connecting pipe sets up the one end that is close to the intake antrum at the valve body, the second connecting pipe sets up the one end that is close to the drainage chamber at the valve body, first connecting pipe and second connecting pipe are close to equal fixedly connected with second flange on the outer pipe wall of valve body one end, second flange sets up with first connecting flange phase-match, just one side that first flange was kept away from to second connecting flange is equidistant to be provided with the first locking bolt of a plurality of, first locking bolt runs through the one end and the first connecting flange threaded connection of second connecting flange.

Specifically, the first sealing valve consists of a first sealing plate, a second locking bolt, a sealing sleeve, a second sealing plate, a first valve core, an internal thread annular plate, a top plate, a valve cavity, a communicating groove and a sealing groove, the first sealing plate is fixedly connected to the top of the valve body through a second locking bolt, the top of the first sealing plate is fixedly communicated with a sealing sleeve, the top of the sealing sleeve is fixedly communicated with a second sealing plate, a first valve core is arranged in the sealing sleeve, one end of the first valve core far away from the valve body extends out of the sealing sleeve and is in threaded connection with an internal thread annular plate, the top of the first valve core is fixedly connected with a top plate, a valve cavity is arranged inside the first valve core, the two sides of one end, extending to the interior of the valve body, of the first valve core are provided with communicating grooves, the communicating grooves are communicated with the valve cavity, and the inner top of each communicating groove is provided with a sealing groove.

Specifically, the second sealing valve comprises an air cylinder, a telescopic rod, a coupler, a connecting rod, a transmission block, a second valve core, a limiting groove, a third locking bolt, a sealing hoop and a limiting hoop, the air cylinder is fixedly connected to the top of the top plate, the telescopic end of the air cylinder is provided with the telescopic rod, the other end of the telescopic rod penetrates through the top plate and extends into the valve cavity, the telescopic rod is connected with the top plate in a sliding manner, one end of the telescopic rod extending into the valve cavity is fixedly connected with the connecting rod through the coupler, the other end of the connecting rod is provided with the transmission block, the transmission block is sleeved inside the second valve core, the top of the second valve core is provided with the limiting groove corresponding to the transmission block, the transmission block is fixedly connected inside the limiting groove through the third locking bolt, the outer wall of the top of the transmission block is fixedly connected with the, and the inner top of the limiting groove is fixedly connected with a limiting hoop.

Specifically, the clearance subassembly comprises axis of rotation, bearing, dead lever, transfer line, interior scraper blade and flabellum, axis of rotation, bearing, dead lever, transfer line, interior scraper blade and flabellum all set up the inside at the second connecting pipe, the axis of rotation is connected with the bearing on being close to the axle wall of valve body one end, equidistant fixedly connected with a plurality of dead lever on the outer wall of bearing, a plurality of the other end of dead lever all with the interior pipe wall fixed connection of second connecting pipe, one side that the valve body was kept away from to the bearing is provided with interior scraper blade, one side of interior scraper blade and the interior pipe wall contact of second connecting pipe, equal fixedly connected with transfer line on the inner panel wall at interior scraper blade both ends, the other end of transfer line all with axis of rotation fixed connection, the axis of rotation is kept away from on the axle wall of bearing.

Specifically, fixedly connected with shifting block on the lateral wall of internal thread crown plate excircle side, a plurality of antiskid recess has been seted up to the equidistant lateral wall of shifting block excircle side.

Specifically, the outer wall of the bottom of the second valve core is fixedly connected with a sealing block, and the sealing block is matched with the sealing groove.

The invention has the beneficial effects that:

(1) according to the special valve for liquid conveying, the shifting block which is arranged in a rotating mode can drive the internal thread annular plate to rotate, the internal thread annular plate is connected with the first valve core through threads, meanwhile, the first valve core is limited in the valve body and cannot rotate along with the rotation of the internal thread annular plate, so that the rotary motion is converted into linear motion, the first valve core is driven to lift, and the flow rate of the gate valve is controlled to the first degree; meanwhile, the second valve core is arranged inside the valve cavity, the distance between the second valve core and the communicating groove is adjusted, so that the size of the caliber communicated between the water inlet cavity and the water drainage cavity is adjusted, the flow rate is adjusted again, and the range of the flow rate when the flow rate is adjusted is larger.

(2) According to the valve special for liquid conveying, the liquid flowing into the second connecting pipe in the drainage cavity can drive the fan blades to rotate, the fan blades are fixed on the shaft wall of the rotating shaft, so that the fan blades can drive the transmission rod fixedly connected to the shaft wall of the rotating shaft to rotate when rotating, the inner scraper fixedly connected to the tail end of the transmission rod is in contact with the inner wall of the pipe, and when the transmission rod drives the inner scraper to rotate, the inner scraper can clean dirt on the inner wall of the pipe.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a valve dedicated for liquid delivery according to the present invention;

FIG. 2 is a top view of a valve dedicated to liquid delivery according to the present invention;

FIG. 3 is a side view of a second connection tube of the valve for transporting liquid provided by the present invention;

FIG. 4 is an enlarged view of a portion A of the valve shown in FIG. 1;

fig. 5 is a partially enlarged view of a portion B shown in fig. 1 of the valve for liquid delivery according to the present invention.

In the figure: 1. a gate valve assembly; 11. a valve body; 12. a first connecting flange; 13. a water inlet cavity; 14. a drainage cavity; 2. a connecting assembly; 21. a first connecting pipe; 22. a second connecting pipe; 23. a second connecting flange; 24. a first locking bolt; 3. a first sealing valve; 31. a first seal plate; 32. a second locking bolt; 33. a sealing sleeve; 34. a second seal plate; 35. a first valve spool; 36. an internal thread ring plate; 37. shifting blocks; 38. a top plate; 39. a valve cavity; 310. a communicating groove; 311. sealing the groove; 312. an anti-slip groove; 4. a second sealing valve; 41. a cylinder; 42. a telescopic rod; 43. a coupling; 44. a connecting rod; 45. a transmission block; 46. a second valve core; 47. a limiting groove; 48. a third locking bolt; 49. a sealing band; 410. a limiting hoop; 411. a sealing block; 5. cleaning the assembly; 51. a rotating shaft; 52. a bearing; 53. fixing the rod; 54. a transmission rod; 55. an inner scraper; 56. a fan blade.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to fig. 5, the valve dedicated for liquid transportation according to the present invention includes a gate valve assembly 1, a connecting assembly 2, a first sealing valve 3, a second sealing valve 4, and a cleaning assembly 5, wherein the connecting assembly 2 is disposed at two ends of the gate valve assembly 1, the second sealing valve 4 is disposed inside the first sealing valve 3, the first sealing valve 3 is disposed above the gate valve assembly 1, and the cleaning assembly 5 is disposed inside the connecting assembly 2;

gate valve subassembly 1 comprises valve body 11, first connecting flange 12, intake antrum 13 and drainage chamber 14, the first connecting flange 12 of the equal fixedly connected with in both ends of valve body 11, intake antrum 13 and drainage chamber 14 have been seted up to valve body 11's inside, intake antrum 13 sets up in the top of drainage chamber 14, just intake antrum 13 and drainage chamber 14 communicate each other.

Specifically, the connecting assembly 2 is composed of a first connecting pipe 21, a second connecting pipe 22, a second connecting flange 23 and a first locking bolt 24, the first connection pipe 21 is provided at an end of the valve body 11 adjacent to the water inlet chamber 13, the second connection pipe 22 is provided at an end of the valve body 11 adjacent to the water discharge chamber 14, the outer pipe walls of the first connecting pipe 21 and the second connecting pipe 22 close to one end of the valve body 11 are both fixedly connected with a second connecting flange 23, the second connecting flange 23 is matched with the first connecting flange 12, and one side that second flange 23 kept away from first flange 12 is equidistant to be provided with the first locking bolt 24 of a plurality of, and first locking bolt 24 runs through the one end and the first flange 12 threaded connection of second flange 23, and the inside clearance subassembly 5 that sets up of second connecting pipe 22 can clear up the inner wall of pipeline.

Specifically, the first sealing valve 3 is composed of a first sealing plate 31, a second locking bolt 32, a sealing sleeve 33, a second sealing plate 34, a first valve core 35, an internal thread annular plate 36, a top plate 38, a valve cavity 39, a communicating groove 310 and a sealing groove 311, the first sealing plate 31 is fixedly connected to the top of the valve body 11 through the second locking bolt 32, the sealing sleeve 33 is fixedly communicated with the top of the first sealing plate 31, the second sealing plate 34 is fixedly communicated with the top of the sealing sleeve 33, the first valve core 35 is arranged inside the sealing sleeve 33, one end of the first valve core 35, which is far away from the valve body 11, extends out of the sealing sleeve 33 and is in threaded connection with the internal thread annular plate 36, the top of the first valve core 35 is fixedly connected with the top plate 38, the valve cavity 39 is arranged inside the first valve core 35, the communicating grooves 310 are arranged on two sides of one end of the first valve core 35, which extends into, the communicating groove 310 is communicated with the valve cavity 39, the sealing groove 311 is formed in the inner top of the communicating groove 310, the shifting block 37 arranged in a rotating mode can drive the internal thread annular plate 36 to rotate, the internal thread annular plate 36 is in threaded connection with the first valve core 35, meanwhile, the first valve core 35 is limited in the valve body 11 and cannot rotate along with the rotation of the internal thread annular plate 36, therefore, the rotating motion is converted into linear motion, the first valve core 35 is driven to lift, and therefore the flow rate of the control gate valve of the first degree is achieved.

Specifically, the second sealing valve 4 is composed of an air cylinder 41, an expansion link 42, a coupler 43, a connecting rod 44, a transmission block 45, a second valve spool 46, a limiting groove 47, a third locking bolt 48, a sealing hoop 49 and a limiting hoop 410, the air cylinder 41 is fixedly connected to the top of the top plate 38, the expansion end of the air cylinder 41 is provided with the expansion link 42, the other end of the expansion link 42 penetrates through the top plate 38 and extends into the valve cavity 39, the expansion link 42 is slidably connected with the top plate 38, one end of the expansion link 42 extending into the valve cavity 39 is fixedly connected with the connecting rod 44 through the coupler 43, the other end of the connecting rod 44 is provided with the transmission block 45, the transmission block 45 is sleeved inside the second valve spool 46, the top of the second valve spool 46 is provided with the limiting groove 47 corresponding to the transmission block 45, the transmission block 45 is fixedly connected inside the limiting groove 47 through the, fixedly connected with seal hoop 49 on the outer wall at transmission block 45 top, seal hoop 49 and spacing recess 47 phase-match set up, just the interior top fixedly connected with of spacing recess 47 hoop 410, start cylinder 41 can drive telescopic link 42 and carry out concertina movement, telescopic link 42 and second valve core 46 fixed connection, second valve core 46 is inside valve pocket 39 simultaneously, adjusts the interval between second valve core 46 and the intercommunication groove 310 to adjust the bore size of intercommunication between intake antrum 13 and the drainage chamber 14, realize once more adjusting the velocity of flow, make the range of the size of velocity of flow when adjusting bigger.

Specifically, the cleaning assembly 5 is composed of a rotating shaft 51, a bearing 52, a fixing rod 53, a transmission rod 54, an inner scraper 55 and a fan blade 56, wherein the rotating shaft 51, the bearing 52, the fixing rod 53, the transmission rod 54, the inner scraper 55 and the fan blade 56 are all arranged inside the second connecting pipe 22, the bearing 52 is rotatably connected to a shaft wall of the rotating shaft 51 near one end of the valve body 11, a plurality of fixing rods 53 are fixedly connected to an outer wall of the bearing 52 at equal intervals, the other ends of the plurality of fixing rods 53 are fixedly connected to an inner pipe wall of the second connecting pipe 22, the inner scraper 55 is arranged on one side of the bearing 52 far away from the valve body 11, one side of the inner scraper 55 is in contact with the inner pipe wall of the second connecting pipe 22, the transmission rods 54 are fixedly connected to inner plate walls at two ends of the inner scraper 55, the other ends of the transmission rods 54 are fixedly connected to the rotating shaft 51, the fan blade 56, the liquid in the drainage cavity 14 flowing into the second connecting pipe 22 can drive the fan blade 56 to rotate, and the fan blade 56 is fixed on the shaft wall of the rotating shaft 51, so that the fan blade 56 can drive the transmission rod 54 fixedly connected on the shaft wall of the rotating shaft 51 to rotate when rotating, the inner scraper 55 fixedly connected at the tail end of the transmission rod 54 is in contact with the inner wall of the pipe, and when the transmission rod 54 drives the inner scraper 55 to rotate, the inner scraper 55 can clean up dirt on the inner wall of the pipe.

Specifically, fixedly connected with shifting block 37 on the lateral wall of internal thread crown plate 36 excircle side, a plurality of anti-skidding recess 312 has been seted up to the equidistant on the lateral wall of shifting block 37 excircle side, and shifting block 37 has increased internal thread crown plate 36's surface area, has increased the arm of force of internal thread crown plate 36 when rotating, and the anti-skidding recess 312 that sets up simultaneously can increase the frictional force between 37 excircle sides of shifting block and the palm for internal thread crown plate 36 is laborsaving more when rotating.

Specifically, the outer wall of the bottom of the second valve core 46 is fixedly connected with a sealing block 411, the sealing block 411 is matched with the sealing groove 311, and when the second valve core 46 moves upwards to the highest point, the sealing block 411 on the second valve core 46 moves into the sealing groove 311, so that the sealing performance between the second valve core 46 and the valve cavity 39 is better.

When the valve is used, the flow rate range can be divided into two flow rate ranges as required, when the flow rate is larger, the shifting block 37 arranged by rotation can drive the internal thread annular plate 36 to rotate, the internal thread annular plate 36 is in threaded connection with the first valve core 35, meanwhile, the first valve core 35 is limited in the valve body 11 and cannot rotate along with the rotation of the internal thread annular plate 36, so that the rotary motion is converted into linear motion, the first valve core 35 is driven to lift, the aperture size of the communication between the water inlet cavity 13 and the water discharge cavity 14 is adjusted, the flow rate of the gate valve is controlled to a first degree, when the flow rate is smaller, the starting cylinder 41 can drive the telescopic rod 42 to perform telescopic motion, the telescopic rod 42 is fixedly connected with the second valve core 46, meanwhile, the second valve core 46 is arranged in the valve cavity 39, the distance between the second valve core 46 and the communication groove 310 is adjusted, so that the aperture size of the communication between the water inlet, the flow rate is adjusted again, so that the range of the flow rate is larger when the flow rate is adjusted, when the liquid in the drainage cavity 14 flows into the second connecting pipe 22, the flow rate of the liquid can drive the fan blades 56 to rotate, the fan blades 56 are fixed on the shaft wall of the rotating shaft 51, so that the fan blades 56 can drive the driving rod 54 fixedly connected to the shaft wall of the rotating shaft 51 to rotate when rotating, the inner scraper 55 fixedly connected to the tail end of the driving rod 54 contacts with the inner wall of the pipe, and when the driving rod 54 drives the inner scraper 55 to rotate, the inner scraper 55 can clean up dirt on the inner wall of the pipe.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The special valve for liquid transportation is characterized by comprising a gate valve assembly (1), a connecting assembly (2), a first sealing valve (3), a second sealing valve (4) and a cleaning assembly (5), wherein the connecting assembly (2) is arranged at two ends of the gate valve assembly (1), the second sealing valve (4) is arranged inside the first sealing valve (3), the first sealing valve (3) is arranged above the gate valve assembly (1), and the cleaning assembly (5) is arranged inside the connecting assembly (2);

the gate valve assembly (1) is composed of a valve body (11), a first connecting flange (12), a water inlet cavity (13) and a water drainage cavity (14), the first connecting flange (12) is fixedly connected to two ends of the valve body (11), the water inlet cavity (13) and the water drainage cavity (14) are formed in the valve body (11), the water inlet cavity (13) is arranged above the water drainage cavity (14), and the water inlet cavity (13) and the water drainage cavity (14) are communicated with each other;

the first sealing valve (3) is composed of a first sealing plate (31), a second locking bolt (32), a sealing sleeve (33), a second sealing plate (34), a first valve core (35), an internal thread annular plate (36), a top plate (38), a valve cavity (39), a communicating groove (310) and a sealing groove (311), the first sealing plate (31) is fixedly connected to the top of the valve body (11) through the second locking bolt (32), the sealing sleeve (33) is fixedly communicated with the top of the first sealing plate (31), the second sealing plate (34) is fixedly communicated with the top of the sealing sleeve (33), the first valve core (35) is arranged inside the sealing sleeve (33), the sealing sleeve (33) extends out from one end, far away from the valve body (11), of the first valve core (35) and is in threaded connection with the internal thread annular plate (36), the top of the first valve core (35) is fixedly connected with the top plate (38), the valve cavity (39) is formed in the first valve core (35), the communicating grooves (310) are formed in two sides of one end, extending to the interior of the valve body (11), of the first valve core (35), the communicating grooves (310) are communicated with the valve cavity (39), and the sealing grooves (311) are formed in the top of the communicating grooves (310).

2. A valve as claimed in claim 1, wherein: the connecting component (2) consists of a first connecting pipe (21), a second connecting pipe (22), a second connecting flange (23) and a first locking bolt (24), the first connecting pipe (21) is arranged at one end of the valve body (11) close to the water inlet cavity (13), the second connecting pipe (22) is arranged at one end of the valve body (11) close to the drainage cavity (14), the outer pipe walls of the first connecting pipe (21) and the second connecting pipe (22) close to one end of the valve body (11) are fixedly connected with a second connecting flange (23), the second connecting flange (23) is matched with the first connecting flange (12), and a plurality of first locking bolts (24) are arranged on one side of the second connecting flange (23) far away from the first connecting flange (12) at equal intervals, the first locking bolt (24) penetrates through one end of the second connecting flange (23) and is in threaded connection with the first connecting flange (12).

3. A valve as claimed in claim 1, wherein: the second sealing valve (4) consists of an air cylinder (41), an expansion link (42), a coupler (43), a connecting rod (44), a transmission block (45), a second valve core (46), a limiting groove (47), a third locking bolt (48), a sealing hoop (49) and a limiting hoop (410), wherein the air cylinder (41) is fixedly connected to the top of the top plate (38), the expansion link (42) is arranged at the expansion end of the air cylinder (41), the other end of the expansion link (42) penetrates through the top plate (38) and extends into the valve cavity (39), the expansion link (42) is in sliding connection with the top plate (38), the connecting rod (44) is fixedly connected to one end of the expansion link (42) extending into the valve cavity (39) through the coupler (43), the transmission block (45) at the other end of the connecting rod (44) is sleeved in the second valve core (46), the top of the second valve core (46) corresponds to the transmission block (45) and is provided with a limiting groove (47), the transmission block (45) is fixedly connected inside the limiting groove (47) through a third locking bolt (48), a sealing hoop (49) is fixedly connected to the outer wall of the top of the transmission block (45), the sealing hoop (49) is matched with the limiting groove (47), and the limiting hoop (410) is fixedly connected to the inner top of the limiting groove (47).

4. A valve as claimed in claim 1, wherein: the cleaning assembly (5) comprises a rotating shaft (51), a bearing (52), a fixing rod (53), a transmission rod (54), an inner scraper (55) and a fan blade (56), the rotating shaft (51), the bearing (52), the fixing rod (53), the transmission rod (54), the inner scraper (55) and the fan blade (56) are all arranged inside the second connecting pipe (22), the shaft wall of one end, close to the valve body (11), of the rotating shaft (51) is rotatably connected with the bearing (52), a plurality of fixing rods (53) are fixedly connected to the outer wall of the bearing (52) at equal intervals, the other ends of the fixing rods (53) are fixedly connected with the inner pipe wall of the second connecting pipe (22), the inner scraper (55) is arranged on one side, far away from the valve body (11), of the bearing (52), and one side of the inner scraper (55) is in contact with the inner pipe wall of the second connecting pipe (22), the inner scraper is characterized in that transmission rods (54) are fixedly connected to the inner plate walls at the two ends of the inner scraper (55), the other ends of the transmission rods (54) are fixedly connected with a rotating shaft (51), and fan blades (56) are fixedly connected to the shaft wall of one end, far away from the bearing (52), of the rotating shaft (51).

5. A valve as claimed in claim 1, wherein: fixedly connected with shifting block (37) on the lateral wall of internal thread crown plate (36) excircle side, a plurality of antiskid recess (312) have been seted up to the equidistant lateral wall of shifting block (37) excircle side.

6. A valve as claimed in claim 3, wherein: and a sealing block (411) is fixedly connected to the outer wall of the bottom of the second valve core (46), and the sealing block (411) is matched with the sealing groove (311).