CN113048254A

CN113048254A - Locking device for pipe valve of nitrogen-blowing pipe cooling pipe and using method thereof

Info

Publication number: CN113048254A
Application number: CN202110472972.0A
Authority: CN
Inventors: 田通强; 邱斌良; 谢晓勇; 刘忠建; 杨红军
Original assignee: Chengyu Vanadium Titanium Science and Technology Co Ltd
Current assignee: Chengyu Vanadium Titanium Science and Technology Co Ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-06-29

Abstract

The invention discloses a locking device for a pipe valve of a nitrogen cooling pipe of a blowing pipe and a using method thereof, and the locking device comprises a valve body, a pressing mechanism, a limiting mechanism, a pushing mechanism, a pipeline and a fixing mechanism, wherein the bottom of the valve body is fixedly connected with the pipeline, the inner part of the valve body is in threaded connection with a rotating rod, the inner part of the rotating rod is in rotary connection with a threaded rod, the bottom end of the threaded rod is in rotary connection with a pressing plate, and the bottom of the pressing plate is fixedly connected with a sealing plate, so that the locking: through adding hold-down mechanism, be convenient for after sealed the accomplishing, to clamp plate locking, through adding stop gear, be convenient for spacing to the clamp plate, the inside of valve body rotates again when preventing the clamp plate lapse, through adding pushing mechanism, is convenient for promote No. two push rods to drive the fixture block card in the draw-in groove, through adding fixed establishment, be convenient for lock the closing plate, improve the leakproofness, through adding sealed the pad, be convenient for improve the leakproofness of closing plate.

Description

Locking device for pipe valve of nitrogen-blowing pipe cooling pipe and using method thereof

Technical Field

The invention relates to the technical field of locking devices for a pipe blowing nitrogen cooling pipe valve, in particular to a locking device for a pipe blowing nitrogen cooling pipe valve and a using method thereof.

Background

Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. 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. Most of the existing valves for the nitrogen cooling pipe with the blowing pipe lack locking devices, the valves cannot be locked, and a sealing plate is easy to loosen, so that the sealing pipe is not tightly sealed, the leakage is caused, and the waste and the potential safety hazard are caused.

Disclosure of Invention

The invention aims to provide a locking device for a pipe valve of a nitrogen cooling pipe with a blowing pipe and a using method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: including valve body, hold-down mechanism, stop gear, pushing mechanism, pipeline and fixed establishment, the bottom fixedly connected with pipeline of valve body, the inside threaded connection of valve body has the bull stick, the inside of bull stick is rotated and is connected with the threaded rod, the bottom of threaded rod is rotated and is connected with the clamp plate, the bottom fixedly connected with closing plate of clamp plate, the bilateral symmetry of threaded rod is equipped with hold-down mechanism, one side of hold-down mechanism is equipped with stop gear at the inner wall of valve body, one side of stop gear is equipped with pushing mechanism at the top of clamp plate, pushing mechanism's below is equipped with fixed establishment in the inside of pipeline.

Preferably, hold-down mechanism includes the slider No. one, the outside threaded connection of threaded rod has the slider No. one, the bilateral symmetry of slider rotates and is connected with the slide bar, two the equal sliding connection in outside of slide bar has the connecting rod No. one, two the inside of connecting rod all installs a spring, two the equal fixedly connected with slider No. two of one end of spring, two the slider No. two all with slide bar fixed connection, two one side of connecting rod all rotates and is connected with the connecting rod No. two, two the one end of connecting rod No. two all rotates with the clamp plate and is connected.

Preferably, stop gear includes No. three sliders, No. three sliders of bilateral symmetry fixedly connected with of clamp plate, two No. three sliders extend to the inside of valve body and all have seted up a spout, No. three sliders and a spout sliding connection.

Preferably, pushing mechanism includes a push rod, the top fixedly connected with fixed block, two of clamp plate between No. two connecting rods the equal sliding connection in inside of fixed block has the push pedal, two the equal fixedly connected with push rod, two in middle part of push pedal the one end of a push rod all extend to the inside of clamp plate and with clamp plate sliding connection, the outside cover of a push rod is equipped with No. two springs.

Preferably, the fixing mechanism comprises a clamping block, two sliding grooves are symmetrically formed in two sides of the inside of the pipeline, two clamping blocks are connected to the inside of the two sliding grooves in a sliding mode, two push rods are fixedly connected to one sides, away from the sealing plate, of the clamping blocks, a spring III is sleeved on the outer side of each push rod, clamping grooves are symmetrically formed in two sides of the inside of the sealing plate, and the clamping blocks are clamped with the clamping grooves.

Preferably, the outer side of the threaded rod is fixedly connected with a limiting block below the first sliding block.

Preferably, the inner wall of the pipeline is provided with a sealing groove, and a sealing gasket is arranged inside the sealing groove.

Preferably, the top of the threaded rod is fixedly connected with a knob, the outer side of the knob is fixedly connected with a valve switch at the top of the rotating rod, and the knob is rotatably connected with the valve switch.

Preferably, the third spring is a tension spring.

The use method of the locking device for the valve of the pipe valve for blowing the nitrogen cooling pipe comprises the following steps:

s1, firstly, twisting the valve switch, then sliding the rotating rod to the lower part of the valve body, simultaneously driving the knob and the threaded rod to move downwards under the thrust of the valve switch, simultaneously pushing the pressing plate to move downwards by the threaded rod, and simultaneously sliding the third sliding block to the lower part in the first sliding groove, so that the sealing plate blocks the sealing groove along with the downward movement;

s2, twisting the knob and then rotating the threaded rod, so that the first sliding block slides downwards on the threaded rod, meanwhile, the sliding rod drives the second sliding block to slide downwards in the first connecting rod, meanwhile, the first spring is stressed to contract, the first connecting rod and the second connecting rod rotate, and meanwhile, the second connecting rod and the pressure plate rotate, so that the first connecting rod pushes the second connecting rod to press the inner wall of the valve body, and the first sliding block falls on the top of the limiting block;

s3, the first connecting rod moves downwards and pushes the first push rod to slide towards the inside of the fixing block, and meanwhile, the push plate pushes the second spring along with downward sliding;

s4, the first push rod pushes the inclined plane end of the second push rod, so that the second push rod pushes the clamping block to be clamped in the clamping groove in the sealing plate.

Compared with the prior art, the invention has the beneficial effects that: through adding hold-down mechanism, be convenient for after sealed the accomplishing, to clamp plate locking, through adding stop gear, be convenient for spacing to the clamp plate, the inside of valve body rotates again when preventing the clamp plate lapse, through adding pushing mechanism, is convenient for promote No. two push rods to drive the fixture block card in the draw-in groove, through adding fixed establishment, be convenient for lock the closing plate, improve the leakproofness, through adding sealed the pad, be convenient for improve the leakproofness of closing plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. opening and closing a valve; 3. a threaded rod; 4. a hold-down mechanism; 41. a first sliding block; 42. a slide bar; 43. a first connecting rod; 44. a second sliding block; 45. a first spring; 46. a second connecting rod; 5. a limiting mechanism; 51. a third sliding block; 52. a first chute; 6. pressing a plate; 7. a pushing mechanism; 71. a first push rod; 72. a fixed block; 73. pushing the plate; 74. a second spring; 8. a pipeline; 9. a fixing mechanism; 91. a clamping block; 92. a card slot; 93. a third spring; 94. a second push rod; 10. a sealing plate; 11. a gasket; 12. a limiting block; 13. a rotating rod; 14. a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: including valve body 1, hold-down mechanism 4, stop gear 5, pushing mechanism 7, pipeline 8 and fixed establishment 9, the bottom fixedly connected with pipeline 8 of valve body 1, the inside threaded connection of valve body 1 has bull stick 13, the inside rotation of bull stick 13 is connected with threaded rod 3, the bottom of threaded rod 3 is rotated and is connected with clamp plate 6, the bottom fixedly connected with closing plate 10 of clamp plate 6, the bilateral symmetry of threaded rod 3 is equipped with hold-down mechanism 4, one side of hold-down mechanism 4 is equipped with stop gear 5 at the inner wall of valve body 1, one side of stop gear 5 is equipped with pushing mechanism 7 at the top of clamp plate 6, the below of pushing mechanism 7 is equipped with fixed establishment 9 in the inside of pipeline 8.

Hold-down mechanism 4 includes slider 41 No. one, threaded rod 3's outside threaded connection has slider 41 No. one, slider 41's bilateral symmetry rotates and is connected with slide bar 42, the equal sliding connection in outside of two slide bar 42 has connecting rod 43 No. one, spring 45 is all installed to the inside of two connecting rod 43 No. one, slider 44 No. two of the equal fixedly connected with of one end of two spring 45, two slider 44 all with slide bar 42 fixed connection, one side of two connecting rod 43 all rotates and is connected with connecting rod 46 No. two, the one end of two connecting rod 46 all rotates with clamp plate 6 to be connected, be convenient for after sealed the completion, to clamp plate 6 locking.

Stop gear 5 includes No. three sliders 51, and No. three sliders 51 of the bilateral symmetry fixedly connected with of clamp plate 6, two No. three sliders 51 extend to the inside of valve body 1 and have all seted up a spout 52, and No. three sliders 51 and a spout 52 sliding connection are convenient for spacing clamp plate 6, prevent again when clamp plate 6 glides that the inside of valve body 1 rotates.

Pushing mechanism 7 includes push rod 71 No. one, the top of clamp plate 6 fixedly connected with fixed block 72 between connecting rod 46 No. two, the equal sliding connection in inside of two fixed blocks 72 has push plate 73, the equal fixedly connected with push rod 71 in middle part of two push plates 73, the one end of two push rods 71 all extend to the inside of clamp plate 6 and with clamp plate 6 sliding connection, the outside cover of push rod 71 is equipped with spring 74 No. two, be convenient for promote push rod 94 No. two, thereby drive fixture block 91 card in draw-in groove 92.

Fixing mechanism 9 includes fixture block 91, and No. two spouts have been seted up to the inside bilateral symmetry of pipeline 8, and the equal sliding connection in inside of two spouts has fixture block 91, and the equal fixedly connected with push rod 94 No. two in one side of keeping away from sealing plate 10 of two fixture block 91, and the outside of two push rods 94 all overlaps and is equipped with No. three spring 93, and draw-in groove 92 has been seted up to the inside bilateral symmetry of sealing plate 10, and fixture block 91 and draw-in groove 92 joint are convenient for lock sealing plate 10, improve the leakproofness.

The outside of threaded rod 3 is in the below fixedly connected with stopper 12 of slider 41, is convenient for spacing slider 41 No. one, makes the inner wall of No. two better compresses tightly valve body 1 of connecting rod 46.

The seal groove has been seted up to the inner wall of pipeline 8, and the inside of seal groove is equipped with sealed the pad 11, is convenient for improve the leakproofness of closing plate 10.

The top fixedly connected with knob 14 of threaded rod 3, the top fixedly connected with valve switch 2 at bull stick 13 in the outside of knob 14, knob 14 is connected with valve switch 2 is rotated, is convenient for promote bull stick 13 downstream.

The third spring 93 is a tension spring, which is convenient for resetting the latch 91.

The use method of the locking device for the valve of the pipe valve of the nitrogen-blowing pipe cooling pipe comprises the following steps:

s1, firstly twisting the valve switch 2, then sliding the rotating rod 13 to the lower part of the valve body 1, simultaneously driving the knob 14 and the threaded rod 3 to move downwards under the thrust of the valve switch 2, simultaneously pushing the pressing plate 6 to move downwards by the threaded rod 3, and simultaneously sliding the third sliding block 51 to slide in the first sliding groove 52 at the lower part, so that the sealing plate 10 blocks the sealing groove along with the downward movement;

s2, the knob 14 is twisted, then the threaded rod 3 rotates, so that the first sliding block 41 slides downwards on the threaded rod 3, meanwhile, the sliding rod 42 drives the second sliding block 44 to slide downwards in the first connecting rod 43, meanwhile, the first spring 45 is stressed to contract, the first connecting rod 43 and the second connecting rod 46 rotate, meanwhile, the second connecting rod 46 and the pressing plate 6 rotate, therefore, the first connecting rod 43 pushes the second connecting rod 46 to press the inner wall of the valve body 1, and the first sliding block 41 falls on the top of the limiting block 12;

s3, the first connecting rod 43 moves downwards and pushes the first push rod 71 to slide towards the inside of the fixed block 72, and meanwhile, the push plate 73 pushes the second spring 74 along with downward sliding;

s4, the first push rod 71 pushes the inclined end of the second push rod 94, so that the second push rod 94 pushes the latch 91 to latch into the latch slot 92 of the sealing plate 10.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. A locking device for a blow pipe nitrogen cooling pipe valve comprises a valve body (1), a pressing mechanism (4), a limiting mechanism (5), a pushing mechanism (7), a pipeline (8) and a fixing mechanism (9), and is characterized in that the bottom of the valve body (1) is fixedly connected with the pipeline (8), the inner part of the valve body (1) is in threaded connection with a rotating rod (13), the inner part of the rotating rod (13) is in rotating connection with a threaded rod (3), the bottom end of the threaded rod (3) is in rotating connection with a pressing plate (6), the bottom of the pressing plate (6) is fixedly connected with a sealing plate (10), the pressing mechanism (4) is symmetrically arranged on two sides of the threaded rod (3), the limiting mechanism (5) is arranged on the inner wall of the valve body (1) on one side of the pressing mechanism (4), the pushing mechanism (7) is arranged on the top of the pressing plate (6, and a fixing mechanism (9) is arranged in the pipeline (8) below the pushing mechanism (7).

2. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 1, wherein: hold-down mechanism (4) are including slider (41) No. one, the outside threaded connection of threaded rod (3) has slider (41) No. one, the bilateral symmetry of slider (41) rotates and is connected with slide bar (42), two the equal sliding connection in outside of slide bar (42) has connecting rod (43), two spring (45), two are all installed to the inside of connecting rod (43) No. one No. two slider (44), two of the equal fixedly connected with in one end of spring (45) No. two slider (44) all with slide bar (42) fixed connection, two one side of connecting rod (43) all rotates and is connected with connecting rod (46) No. two the one end of connecting rod (46) all rotates with clamp plate (6) and is connected.

3. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 2, wherein: stop gear (5) are including No. three slider (51), No. three slider (51) of bilateral symmetry fixedly connected with of clamp plate (6), two No. three slider (51) extend to the inside of valve body (1) and have all seted up a spout (52), No. three slider (51) and a spout (52) sliding connection.

4. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 3, wherein: pushing mechanism (7) are including push rod (71) No. one, fixedly connected with fixed block (72), two between connecting rod (46) at the top of clamp plate (6) the equal sliding connection in inside of fixed block (72) has push plate (73), two push rod (71), two of the equal fixedly connected with in middle part of push plate (73) the one end of push rod (71) all extend to the inside of clamp plate (6) and with clamp plate (6) sliding connection, the outside cover of push rod (71) is equipped with spring (74) No. two.

5. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 4, wherein: the fixing mechanism (9) comprises a clamping block (91), two sliding grooves are symmetrically formed in two sides of the inside of the pipeline (8), the clamping block (91) is connected to the inside of the two sliding grooves in a sliding mode, two push rods (94) are fixedly connected to one side, away from the sealing plate (10), of the clamping block (91), two springs (93) are sleeved on the outer side of each push rod (94), clamping grooves (92) are symmetrically formed in two sides of the inside of the sealing plate (10), and the clamping block (91) is connected with the clamping grooves (92) in a clamping mode.

6. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 5, wherein: the outer side of the threaded rod (3) is fixedly connected with a limiting block (12) below the first sliding block (41).

7. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 6, wherein: the inner wall of the pipeline (8) is provided with a sealing groove, and a sealing gasket (11) is arranged inside the sealing groove.

8. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe as claimed in claim 7, wherein: the top fixedly connected with knob (14) of threaded rod (3), the outside of knob (14) is at top fixedly connected with valve switch (2) of bull stick (13), knob (14) and valve switch (2) are rotated and are connected.

9. The locking device for the pipe valve of the nitrogen blow pipe cooling pipe valve as claimed in claim 8, wherein: the third spring (93) is a tension spring.

10. The use method of the locking device for the valve of the nitrogen blow pipe cooling pipe valve according to any one of claims 1 to 9, is characterized in that: the method comprises the following steps:

s1, firstly twisting the valve switch (2), then sliding the rotating rod (13) to the lower part of the valve body (1), simultaneously driving the knob (14) and the threaded rod (3) to move downwards under the thrust of the valve switch (2), simultaneously pushing the pressing plate (6) to move downwards by the threaded rod (3), and simultaneously sliding the third sliding block (51) to the lower part in the first sliding groove (52), thereby blocking the sealing groove by the sealing plate (10) along with the downward movement;

s2, the knob (14) is twisted, then the threaded rod (3) rotates along with the knob, so that the first sliding block (41) slides downwards on the threaded rod (3), meanwhile, the sliding rod (42) drives the second sliding block (44) to slide downwards in the first connecting rod (43), meanwhile, the first spring (45) is stressed and contracted, the first connecting rod (43) and the second connecting rod (46) rotate, meanwhile, the second connecting rod (46) and the pressing plate (6) rotate, so that the first connecting rod (43) pushes the second connecting rod (46) to press the inner wall of the valve body (1), and the first sliding block (41) falls on the top of the limiting block (12);

s3, the first connecting rod (43) moves downwards and pushes the first push rod (71) to slide towards the inside of the fixed block (72), and meanwhile, the push plate (73) slides downwards to extrude the second spring (74);

s4, the first push rod (71) pushes the inclined plane end of the second push rod (94), so that the second push rod (94) pushes the clamping block (91) to be clamped in the clamping groove (92) on the sealing plate (10).