CN219510156U - Air-powder regulating valve convenient for regulating valve core - Google Patents

Abstract

The utility model relates to the technical field of regulating valves for wind powder, in particular to a wind powder regulating valve convenient for regulating a valve core. The valve core is mainly used for solving the problems that the valve core of the existing regulating valve is inconvenient to regulate, the flexibility is poor, the sealing performance is reduced, and the valve core is inconvenient to regulate the output of wind and powder, and the following technical scheme is provided: the valve seat is mounted at the top of the valve body and is communicated with the valve body, a closed adjusting cylinder is arranged in the valve body and the valve seat, a first through hole is formed in the top of the closed adjusting cylinder, a first sealing bearing is arranged in the first through hole, a threaded rod is arranged in the first sealing bearing, and a rotary table for driving the threaded rod to rotate is connected to the top end of the threaded rod. The utility model has the advantages of flexibility, good sealing performance in the closed state, simple operation and the like, and achieves the purpose of controlling the amount of discharged air powder.

Description

Air-powder regulating valve convenient for regulating valve core

Technical Field

The utility model relates to the technical field of regulating valves for wind powder, in particular to a wind powder regulating valve convenient for regulating a valve core.

Background

In recent years, with the continuous development and progress of technology, various industries are provided with convenience in work, and the industrial fields are improved under the development and progress of technology. The boiler is a particularly important ring in industrial production nowadays, when the boiler burns, coal blocks are required to be ground to coal dust by matching with a coal mill, wind powder is conveyed to a combustion part of the boiler by matching with a conveying device, and for controlling the output of the wind powder, a regulating valve is required to be arranged on a conveying pipeline to control the wind powder.

However, the valve core of the existing regulating valve is inconvenient to regulate, the flexibility is poor, the sealing performance is reduced, and the valve core is inconvenient to regulate the output quantity of wind powder.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a wind-powder regulating valve convenient for regulating a valve core.

The technical scheme of the utility model is as follows: the utility model provides a wind powder governing valve convenient to adjust case, includes valve body and disk seat, the disk seat is installed at the valve body top to communicate with the valve body, be provided with airtight regulation section of thick bamboo in valve body and the disk seat jointly, airtight regulation section of thick bamboo's top has seted up through-hole one, be provided with sealed bearing one in the through-hole one, be provided with the threaded rod in the sealed bearing one, the top of threaded rod is connected with the carousel that drives the threaded rod and rotate, the cover is equipped with the elevating system that carries out the removal through the threaded rod is supplementary on the outer lane surface of threaded rod, elevating system includes the rotation cover, the rotation cover below is provided with the sealing mechanism who goes up and down through the drive of rotation cover, install the valve core seat in the valve body, the exit of valve body is installed and is discharged the frame.

Preferably, the lifting mechanism is integrally arranged in the airtight adjusting cylinder, a thread groove is formed in the top of the rotating sleeve, a part of rod body of the threaded rod is positioned in the thread groove, and the threaded rod is connected with the rotating sleeve through threads.

Preferably, the outer ring surface of the rotating sleeve is sleeved with a second sealing bearing, sliding rods are symmetrically arranged on the outer ring surface of the second sealing bearing, and guide rods are arranged on the two sliding rods.

Preferably, the inner wall of the closed regulating cylinder is symmetrically provided with a sliding groove, and the two guide rods are symmetrically welded in the sliding groove.

Preferably, the sealing mechanism comprises a first valve core, a second valve core is arranged at the top of the first valve core, a sealing cylinder and a vertical rod are arranged at the top of the second valve core, and the top end of the vertical rod is connected with the bottom of the rotating sleeve.

Preferably, the second valve core is plate-shaped, a lateral wall body of the second valve core is connected with a lateral member, the lateral member is L-shaped in a front view, and the lateral member is positioned in the discharge frame.

Preferably, the valve core seat is fixedly installed in the valve body, and the first valve core is matched with the valve core seat.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. according to the utility model, the rotary table is screwed to rotate, so that the threaded rod is rotated under the assistance of the first sealing bearing, the threaded rod in the rotating state is matched with the threaded groove, and meanwhile, the rotary sleeve is rotated under the assistance of the second sealing bearing, the sliding rod and the guide rod, so that the position of the rotary sleeve is limited, the height of the rotary sleeve is adjusted, the aim of pushing the sealing mechanism to move downwards is fulfilled, the first valve core, the second valve core and the valve core seat are clamped to complete sealing, the flexibility of the device is shown, the sealing effect is improved, the transverse member is driven to move under the movement of the second valve core, the transverse member is matched with the discharge frame, the size of the outlet is controlled, the purpose of controlling the discharge amount is achieved, and a worker can conveniently control the discharge amount according to the combustion condition of a boiler.

Drawings

FIG. 1 is a schematic diagram of a cross-sectional elevation view of a wind-powder regulating valve that facilitates regulating a valve core;

FIG. 2 is a partial perspective view of the lift mechanism of FIG. 1;

FIG. 3 is a schematic isometric view of the sealing mechanism of FIG. 1;

fig. 4 is a perspective view of the discharge frame of fig. 1.

Reference numerals: 1. a valve body; 2. a valve seat; 3. a closed regulating cylinder; 4. a turntable; 5. a threaded rod; 6. a lifting mechanism; 61. a rotating sleeve; 62. sealing a second bearing; 63. a slide bar; 64. a guide rod; 7. a sealing mechanism; 71. a first valve core; 72. a second valve core; 73. a sealing cylinder; 74. a vertical rod; 75. a cross member; 8. a discharge frame; 9. and a valve core seat.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-4, the wind-powder regulating valve convenient for regulating the valve core provided by the utility model comprises a valve body 1 and a valve seat 2, wherein a valve core seat 9 is fixedly arranged in the valve body 1, a discharge frame 8 is fixedly arranged at an outlet of the valve body 1, and a sealing strip is fixedly arranged on the inner wall of the top of the discharge frame 8; the valve seat 2 is mounted on top of the valve body 1 and communicates with the valve body 1.

Further, a closed regulating cylinder 3 is arranged in the valve body 1 and the valve seat 2 together, the bottom of the closed regulating cylinder 3 is in an opening state, and meanwhile, the opening at the bottom of the closed regulating cylinder 3 is positioned in the valve body 1; the top of the airtight adjusting cylinder 3 is provided with a first through hole, the wall of the first through hole is fixedly provided with a first sealing bearing, a threaded rod 5 is arranged in the first sealing bearing, the threaded rod 5 is positioned in the first sealing bearing, the outer ring surface of the threaded rod 5 is connected with the inner ring surface of the first sealing bearing, and the threaded rod 5 is assisted by the first sealing bearing, so that the threaded rod 5 can rotate subsequently; the top of threaded rod 5 is connected with the carousel 4 that drives threaded rod 5 and rotate, and carousel 4 is located the top at airtight adjustment section of thick bamboo 3 top to fixed mounting can drive threaded rod 5 and rotate through rotating carousel 4 at the top of threaded rod 5.

Further, a lifting mechanism 6 which is assisted to move by the threaded rod 5 is sleeved on the surface of the outer ring of the threaded rod 5, the lifting mechanism 6 is integrally arranged in the closed regulating cylinder 3, the lifting mechanism 6 comprises a rotating sleeve 61, a sealing bearing II 62, a sliding rod 63 and a guide rod 64, a thread groove is formed in the top of the rotating sleeve 61, and a part of a rod body of the threaded rod 5 is positioned in the thread groove and connected with the rotating sleeve 61 through threads; the second sealing bearing 62 is sleeved on the outer ring surface of the rotating sleeve 61, the two sliding rods 63 are symmetrically arranged on the outer ring surface of the second sealing bearing 62, and the two sliding rods 63 are provided with second through holes; the two guide rods 64 are positioned in the corresponding second through holes;

the inner wall symmetry of airtight regulation section of thick bamboo 3 has offered the spout, and two guide bars 64 fixed welding respectively in the spout that corresponds to cooperation slide bar 63 plays the effect that carries out position restriction and direction to rotating sleeve 61, and then drives threaded rod 5 rotation through twisting carousel 4, makes rotating sleeve 61 under threaded rod 5 pivoted effect, reaches the purpose of rising or decline, makes this equipment have good flexibility, and makes things convenient for the development of follow-up sealing work.

Further, a sealing mechanism 7 driven to lift by the rotating sleeve 61 is arranged below the rotating sleeve 61, the sealing mechanism 7 comprises a first valve core 71, a second valve core 72, a sealing cylinder 73, a vertical rod 74 and a transverse member 75, the second valve core 72 is fixedly arranged at the top of the first valve core 71, meanwhile, the second valve core 72 is plate-shaped, a through hole III is formed in a valve core seat 9, the through hole III is convenient for wind powder to flow in the valve body 1, the first valve core 71 is matched with the through hole III in size and shape, and further the through hole III is convenient to seal, so that the sealing effect is achieved, however, the size of the second valve core 72 is larger than that of the first valve core 71, is consistent with that of the valve core seat 9, and further is convenient to cooperate with the valve core seat 9, and the sealing performance is improved;

the sealing cylinder 73 is fixedly arranged on the top of the second valve core 72, and the upright rod 74 is also fixedly arranged on the top of the second valve core 72 and is positioned in the sealing cylinder 73; the top end of the upright rod 74 is connected with the bottom of the rotating sleeve 61, so that the sealing mechanism 7 integrally moves along with the height adjustment of the rotating sleeve 61 under the connection effect of the upright rod and the rotating sleeve, thereby realizing sealing, and the sealing cylinder 73 is sleeved on the outer ring surface of the rotating sleeve 61 for assisting the subsequent sealing work;

the transverse member 75 is fixedly arranged on one side wall body of the second valve core 72, meanwhile, the transverse member 75 is L-shaped when seen from the front view, and the transverse member 75 is further positioned in the discharge frame 8, so that the transverse member 75 in a moving state is matched with the sealing strip and the discharge frame 8, the purpose of controlling the air powder discharge amount is achieved, under the action of the sealing cylinder 73, the air powder is prevented from entering the airtight adjusting cylinder 3, and the air powder discharge amount is conveniently controlled by a worker according to the combustion condition of a boiler.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (7)

1. The utility model provides a wind powder governing valve convenient to adjust case, includes valve body (1) and disk seat (2), disk seat (2) are installed at valve body (1) top to communicate its characterized in that with valve body (1): the valve is characterized in that a closed regulating cylinder (3) is arranged in the valve body (1) and the valve seat (2) together, a first through hole is formed in the top of the closed regulating cylinder (3), a first sealing bearing is arranged in the first through hole, a threaded rod (5) is arranged in the first sealing bearing, the top end of the threaded rod (5) is connected with a rotary table (4) for driving the threaded rod (5) to rotate, a lifting mechanism (6) for assisting in moving through the threaded rod (5) is sleeved on the outer ring surface of the threaded rod (5), the lifting mechanism (6) comprises a rotating sleeve (61), a sealing mechanism (7) for driving to lift through the rotating sleeve (61) is arranged below the rotating sleeve, a valve core seat (9) is arranged in the valve body (1), and a discharging frame (8) is arranged at the outlet of the valve body (1).

2. The wind-powder regulating valve convenient for regulating the valve core according to claim 1, wherein the lifting mechanism (6) is integrally arranged in the closed regulating cylinder (3), a thread groove is formed in the top of the rotating sleeve (61), a part of a rod body of the threaded rod (5) is positioned in the thread groove, and the threaded rod (5) is in threaded connection with the rotating sleeve (61).

3. The wind-powder regulating valve convenient for regulating the valve core according to claim 1, wherein the outer ring surface of the rotating sleeve (61) is sleeved with a second sealing bearing (62), sliding rods (63) are symmetrically arranged on the outer ring surface of the second sealing bearing (62), and guide rods (64) are arranged on the two sliding rods (63).

4. A wind-powder regulating valve convenient for regulating a valve core according to claim 3, characterized in that the inner wall of the closed regulating cylinder (3) is symmetrically provided with a chute, and two guide rods (64) are symmetrically welded in the chute.

5. The wind-powder regulating valve convenient to regulate valve core according to claim 1, characterized in that the sealing mechanism (7) comprises a first valve core (71), a second valve core (72) is installed at the top of the first valve core (71), a sealing cylinder (73) and a vertical rod (74) are installed at the top of the second valve core (72), and the top end of the vertical rod (74) is connected with the bottom of the rotating sleeve (61).

6. The wind-powder regulating valve convenient to regulate valve core according to claim 5, characterized in that the second valve core (72) is plate-shaped, a lateral member (75) is connected to a side wall body of the second valve core (72), the lateral member (75) is in an L shape in a front view, and the lateral member (75) is located in the discharge frame (8).

7. A valve according to claim 5, characterized in that the valve seat (9) is fixedly mounted in the valve body (1), and the first valve element (71) is adapted to the valve seat (9).